/* ===== GitHub Dark Theme ===== */
:root {
  color-scheme: dark;
  /* Background Colors */
  --bg-primary: #0D1117;
  --bg-secondary: #161B22;
  --bg-tertiary: #21262D;

  /* Border Colors */
  --border-color: #30363D;
  --border-subtle: #21262D;

  /* Text Colors */
  --text-primary: #E6EDF3;
  --text-secondary: #8B949E;
  --text-muted: #6E7681;

  /* Accent Colors */
  --accent-blue: #58A6FF;
  --accent-green: #3FB950;
  --accent-purple: #A371F7;

  /* Legacy mappings for compatibility */
  --bg-color: var(--bg-primary);
  --text-color: var(--text-primary);
  --primary-color: var(--accent-blue);
  --secondary-color: var(--accent-purple);
  --card-bg: var(--bg-secondary);
  --hover-bg: var(--bg-tertiary);

  /* Typography */
  --font-display: 'Space Grotesk', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;

  /* Gradients */
  --gradient-main: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));

  /* Radii */
  --radius-sm: 10px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-header: 0 10px 30px rgba(0, 0, 0, 0.18);
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.28);
  --shadow-card-hover: 0 24px 60px rgba(0, 0, 0, 0.38);

  /* Focus ring */
  --focus-ring: 0 0 0 3px rgba(88, 166, 255, 0.35);

  /* Header / Nav surfaces */
  --header-bg: rgba(13, 17, 23, 0.55);
  --header-bg-scrolled: rgba(13, 17, 23, 0.85);
  --header-border: rgba(48, 54, 61, 0.35);
  --header-border-scrolled: rgba(48, 54, 61, 0.6);

  --nav-surface: rgba(22, 27, 34, 0.55);
  --nav-surface-border: rgba(48, 54, 61, 0.55);
  --nav-item-hover: rgba(255, 255, 255, 0.05);
  --nav-item-active: rgba(255, 255, 255, 0.08);
  --shadow-nav-active: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 10px 22px rgba(0, 0, 0, 0.16);

  /* Theme-specific Component Colors (Dark Default) */
  --glass-bg: rgba(22, 27, 34, 0.6);
  --chip-bg: #1e252e;
  --chip-border: #4a525d;
  --chip-text: #ffffff;
  --chip-shadow: rgba(0, 0, 0, 0.5);

  /* Additional Theme Vars */
  --input-bg: var(--bg-tertiary);
  --card-shadow-hover: rgba(0, 0, 0, 0.3);
  --contact-card-bg: rgba(22, 27, 34, 0.8);
  --hero-overlay: radial-gradient(ellipse 80% 50% at 50% 50%, transparent 0%, var(--bg-primary) 100%);
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg-primary: #FFFFFF;
  --bg-secondary: #F6F8FA;
  --bg-tertiary: #EAEEF2;
  --border-color: #D0D7DE;
  --border-subtle: #D0D7DE;
  --text-primary: #1F2328;
  --text-secondary: #57606A;
  --text-muted: #6E7781;
  --accent-blue: #0969DA;
  --accent-green: #1A7F37;
  --accent-purple: #8250DF;

  /* Light Mode Component Overrides */
  --glass-bg: rgba(255, 255, 255, 0.85);
  --chip-bg: #ffffff;
  --chip-border: #d0d7de;
  --chip-text: #0969DA;
  /* Blue text for contrast/style in light mode */
  --chip-shadow: rgba(0, 0, 0, 0.1);

  /* Light Mode Overrides */
  --shadow-header: 0 10px 30px rgba(0, 0, 0, 0.06);
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.08);
  --shadow-card-hover: 0 24px 60px rgba(0, 0, 0, 0.14);
  --focus-ring: 0 0 0 3px rgba(9, 105, 218, 0.22);
  --header-bg: rgba(255, 255, 255, 0.7);
  --header-bg-scrolled: rgba(255, 255, 255, 0.92);
  --header-border: rgba(208, 215, 222, 0.55);
  --header-border-scrolled: rgba(208, 215, 222, 0.75);
  --nav-surface: rgba(255, 255, 255, 0.8);
  --nav-surface-border: rgba(208, 215, 222, 0.9);
  --nav-item-hover: rgba(9, 105, 218, 0.06);
  --nav-item-active: rgba(9, 105, 218, 0.11);
  --shadow-nav-active: inset 0 1px 0 rgba(255, 255, 255, 0.9), 0 10px 22px rgba(0, 0, 0, 0.06);
  --input-bg: #FFFFFF;
  --card-shadow-hover: rgba(0, 0, 0, 0.1);
  --contact-card-bg: rgba(255, 255, 255, 0.9);
  /* Lighter overlay for light mode */
  --hero-overlay: radial-gradient(ellipse 80% 50% at 50% 50%, transparent 0%, rgba(255, 255, 255, 0.8) 100%);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
.logo-brand,
.section-title {
  font-family: var(--font-display);
}

p,
a,
button,
input,
textarea,
nav,
label,
.nav-link,
.hero-subtitle,
.stack-value,
.contact-link-value {
  font-family: var(--font-body);
}

/* Canvas Background */
#bg-canvas {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 0;
  pointer-events: none;
  display: block;
}

.page {
  position: relative;
  z-index: 1;
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  #bg-canvas {
    display: none;
  }

  .hero::before,
  .project-image::before {
    animation: none;
  }

  .project-icon {
    animation: none;
    transform: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: var(--bg-gradient);
    background-size: 200% 200%;
    z-index: -1;
    opacity: 0.5;
    background-image:
      radial-gradient(circle at 20% 50%, rgba(56, 189, 248, 0.1) 0%, transparent 50%),
      radial-gradient(circle at 80% 80%, rgba(129, 140, 248, 0.1) 0%, transparent 50%);
  }
}

/* Typography */
h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text-primary);
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

ul {
  list-style: none;
}

/* Focus States for Accessibility */
*:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  background: var(--gradient-main);
  color: white;
  border-radius: 50px;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(56, 189, 248, 0.3);
  border: none;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(56, 189, 248, 0.4);
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-secondary {
  background: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  box-shadow: none;
}

.btn-secondary:hover {
  background: var(--primary-color);
  color: var(--bg-primary);
}

.section-title {
  font-family: "Sixtyfour", monospace;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
  font-variation-settings: "BLED" 39, "SCAN" -11;
  text-align: center;
  font-size: clamp(1.2rem, 3vw, 2rem);
  margin-bottom: 2rem;
  color: #FFFFFF;
  letter-spacing: 0.02em;
  text-shadow:
    0 0 10px rgba(255, 255, 255, 0.3),
    0 0 20px rgba(255, 255, 255, 0.2);
}

.section-title-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.section-title .title-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 2px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.section-title .title-icon:hover {
  border-color: #00D9FF;
  color: #00D9FF;
  box-shadow: 0 0 8px rgba(0, 217, 255, 0.4), inset 0 0 4px rgba(0, 217, 255, 0.1);
  transform: translateY(-1px);
}

.section-title .title-featured {
  color: var(--text-secondary);
}

.section-title .title-projects {
  color: #00D9FF;
}

.section-description {
  text-align: center;
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

/* Header */
/* Header - SaaS Glass Effect */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1rem 0;
  background: var(--header-bg);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  transition: background 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    padding 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1000;
  border-bottom: 1px solid var(--header-border);
}

header.scrolled {
  background: var(--header-bg-scrolled);
  padding: 0.75rem 0;
  border-bottom-color: var(--header-border-scrolled);
  box-shadow: var(--shadow-header);
}

header .container,
header nav,
header .nav-left,
header .nav-icons-group,
header .btn-nav-icon,
header .btn-nav-icon svg,
header .logo-btn img,
header .nav-cta,
header .nav-cta-circle,
header .nav-cta-text {
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (min-width: 769px) {
  header.scrolled {
    padding: 0.45rem 0;
  }

  header.scrolled .nav-left {
    gap: 0.45rem;
  }

  header.scrolled .nav-icons-group {
    gap: 0.35rem;
  }

  header.scrolled .btn-nav-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
  }

  header.scrolled .btn-nav-icon svg {
    width: 17px;
    height: 17px;
  }

  header.scrolled .logo-btn img {
    width: 34px;
    height: 34px;
  }

  header.scrolled .nav-cta {
    min-width: 8rem;
    height: 38px;
    padding: 0.24rem;
  }

  header.scrolled .nav-cta-circle {
    width: 1.85rem;
    height: 1.85rem;
    margin-left: 0.2rem;
  }

  header.scrolled .nav-cta-text {
    padding-left: 0.55rem;
    padding-right: 0.75rem;
    font-size: 0.8rem;
  }
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Nav Icon Buttons (same style as social icons) */
.btn-nav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 2px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-secondary);
  transition: all 0.3s ease;
  cursor: pointer;
  padding: 0;
  text-decoration: none;
}

.btn-nav-icon svg {
  width: 20px;
  height: 20px;
  transition: transform 0.3s ease, stroke 0.3s ease;
}

.btn-nav-icon:hover {
  transform: scale(1.1);
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

.btn-nav-icon:hover svg {
  stroke: var(--accent-blue);
}

/* Logo Button - background matches logo internal background */
.logo-btn {
  border-color: var(--border-color);
  background: #0D1117;
  overflow: hidden;
}

.logo-btn img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  transition: transform 0.3s ease;
  display: block;
}

.logo-btn:hover {
  border-color: var(--accent-blue);
  background: #0D1117;
}

.logo-btn:hover img {
  transform: scale(1.05);
}

/* Nav Icons Group */
.nav-icons-group {
  display: flex;
  gap: 0.5rem;
}

/* Theme Toggle Icons */
.theme-icon {
  position: absolute;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

/* Dark mode (default): show sun icon */
.theme-icon-sun {
  opacity: 1;
  transform: rotate(0deg);
}

.theme-icon-moon {
  opacity: 0;
  transform: rotate(-90deg);
}

/* Light mode: show moon icon */
:root[data-theme="light"] .theme-icon-sun {
  opacity: 0;
  transform: rotate(90deg);
}

:root[data-theme="light"] .theme-icon-moon {
  opacity: 1;
  transform: rotate(0deg);
}



/* Nav Right - Icon Buttons + CTA */
.nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-icons {
  display: flex;
  gap: 0.5rem;
}

/* ===== Animated Theme Switch - Day/Night ===== */
.theme-switch {
  --toggle-size: 11px;
  --container-width: 5.625em;
  --container-height: 2.5em;
  --container-radius: 6.25em;
  --container-light-bg: #3D7EAE;
  --container-night-bg: #1D1F2C;
  --circle-container-diameter: 3.375em;
  --sun-moon-diameter: 2.125em;
  --sun-bg: #ECCA2F;
  --moon-bg: #C4C9D1;
  --spot-color: #959DB1;
  --circle-container-offset: calc((var(--circle-container-diameter) - var(--container-height)) / 2 * -1);
  --stars-color: #fff;
  --clouds-color: #F3FDFF;
  --back-clouds-color: #AACADF;
  --transition: .5s cubic-bezier(0, -0.02, 0.4, 1.25);
  --circle-transition: .3s cubic-bezier(0, -0.02, 0.35, 1.17);
}

.theme-switch,
.theme-switch *,
.theme-switch *::before,
.theme-switch *::after {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-size: var(--toggle-size);
}

.theme-switch__container {
  width: var(--container-width);
  height: var(--container-height);
  background-color: var(--container-light-bg);
  border-radius: var(--container-radius);
  overflow: hidden;
  cursor: pointer;
  -webkit-box-shadow: 0em -0.062em 0.062em rgba(0, 0, 0, 0.25), 0em 0.062em 0.125em rgba(255, 255, 255, 0.94);
  box-shadow: 0em -0.062em 0.062em rgba(0, 0, 0, 0.25), 0em 0.062em 0.125em rgba(255, 255, 255, 0.94);
  -webkit-transition: var(--transition);
  -o-transition: var(--transition);
  transition: var(--transition);
  position: relative;
}

.theme-switch__container::before {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  -webkit-box-shadow: 0em 0.05em 0.187em rgba(0, 0, 0, 0.25) inset, 0em 0.05em 0.187em rgba(0, 0, 0, 0.25) inset;
  box-shadow: 0em 0.05em 0.187em rgba(0, 0, 0, 0.25) inset, 0em 0.05em 0.187em rgba(0, 0, 0, 0.25) inset;
  border-radius: var(--container-radius);
}

.theme-switch__checkbox {
  display: none;
}

.theme-switch__circle-container {
  width: var(--circle-container-diameter);
  height: var(--circle-container-diameter);
  background-color: rgba(255, 255, 255, 0.1);
  position: absolute;
  left: var(--circle-container-offset);
  top: var(--circle-container-offset);
  border-radius: var(--container-radius);
  -webkit-box-shadow: inset 0 0 0 3.375em rgba(255, 255, 255, 0.1), inset 0 0 0 3.375em rgba(255, 255, 255, 0.1), 0 0 0 0.625em rgba(255, 255, 255, 0.1), 0 0 0 1.25em rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 0 0 3.375em rgba(255, 255, 255, 0.1), inset 0 0 0 3.375em rgba(255, 255, 255, 0.1), 0 0 0 0.625em rgba(255, 255, 255, 0.1), 0 0 0 1.25em rgba(255, 255, 255, 0.1);
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-transition: var(--circle-transition);
  -o-transition: var(--circle-transition);
  transition: var(--circle-transition);
  pointer-events: none;
}

.theme-switch__sun-moon-container {
  pointer-events: auto;
  position: relative;
  z-index: 2;
  width: var(--sun-moon-diameter);
  height: var(--sun-moon-diameter);
  margin: auto;
  border-radius: var(--container-radius);
  background-color: var(--sun-bg);
  -webkit-box-shadow: 0.062em 0.062em 0.062em 0em rgba(254, 255, 239, 0.61) inset, 0em -0.062em 0.062em 0em #a1872a inset;
  box-shadow: 0.062em 0.062em 0.062em 0em rgba(254, 255, 239, 0.61) inset, 0em -0.062em 0.062em 0em #a1872a inset;
  -webkit-filter: drop-shadow(0.062em 0.125em 0.125em rgba(0, 0, 0, 0.25)) drop-shadow(0em 0.062em 0.125em rgba(0, 0, 0, 0.25));
  filter: drop-shadow(0.062em 0.125em 0.125em rgba(0, 0, 0, 0.25)) drop-shadow(0em 0.062em 0.125em rgba(0, 0, 0, 0.25));
  overflow: hidden;
  -webkit-transition: var(--transition);
  -o-transition: var(--transition);
  transition: var(--transition);
}

.theme-switch__moon {
  -webkit-transform: translateX(100%);
  -ms-transform: translateX(100%);
  transform: translateX(100%);
  width: 100%;
  height: 100%;
  background-color: var(--moon-bg);
  border-radius: inherit;
  -webkit-box-shadow: 0.062em 0.062em 0.062em 0em rgba(254, 255, 239, 0.61) inset, 0em -0.062em 0.062em 0em #969696 inset;
  box-shadow: 0.062em 0.062em 0.062em 0em rgba(254, 255, 239, 0.61) inset, 0em -0.062em 0.062em 0em #969696 inset;
  -webkit-transition: var(--transition);
  -o-transition: var(--transition);
  transition: var(--transition);
  position: relative;
}

.theme-switch__spot {
  position: absolute;
  top: 0.75em;
  left: 0.312em;
  width: 0.75em;
  height: 0.75em;
  border-radius: var(--container-radius);
  background-color: var(--spot-color);
  -webkit-box-shadow: 0em 0.0312em 0.062em rgba(0, 0, 0, 0.25) inset;
  box-shadow: 0em 0.0312em 0.062em rgba(0, 0, 0, 0.25) inset;
}

.theme-switch__spot:nth-of-type(2) {
  width: 0.375em;
  height: 0.375em;
  top: 0.937em;
  left: 1.375em;
}

.theme-switch__spot:nth-last-of-type(3) {
  width: 0.25em;
  height: 0.25em;
  top: 0.312em;
  left: 0.812em;
}

.theme-switch__clouds {
  width: 1.25em;
  height: 1.25em;
  background-color: var(--clouds-color);
  border-radius: var(--container-radius);
  position: absolute;
  bottom: -0.625em;
  left: 0.312em;
  -webkit-box-shadow: 0.937em 0.312em var(--clouds-color), -0.312em -0.312em var(--back-clouds-color), 1.437em 0.375em var(--clouds-color), 0.5em -0.125em var(--back-clouds-color), 2.187em 0 var(--clouds-color), 1.25em -0.062em var(--back-clouds-color), 2.937em 0.312em var(--clouds-color), 2em -0.312em var(--back-clouds-color), 3.625em -0.062em var(--clouds-color), 2.625em 0em var(--back-clouds-color), 4.5em -0.312em var(--clouds-color), 3.375em -0.437em var(--back-clouds-color), 4.625em -1.75em 0 0.437em var(--clouds-color), 4em -0.625em var(--back-clouds-color), 4.125em -2.125em 0 0.437em var(--back-clouds-color);
  box-shadow: 0.937em 0.312em var(--clouds-color), -0.312em -0.312em var(--back-clouds-color), 1.437em 0.375em var(--clouds-color), 0.5em -0.125em var(--back-clouds-color), 2.187em 0 var(--clouds-color), 1.25em -0.062em var(--back-clouds-color), 2.937em 0.312em var(--clouds-color), 2em -0.312em var(--back-clouds-color), 3.625em -0.062em var(--clouds-color), 2.625em 0em var(--back-clouds-color), 4.5em -0.312em var(--clouds-color), 3.375em -0.437em var(--back-clouds-color), 4.625em -1.75em 0 0.437em var(--clouds-color), 4em -0.625em var(--back-clouds-color), 4.125em -2.125em 0 0.437em var(--back-clouds-color);
  -webkit-transition: 0.5s cubic-bezier(0, -0.02, 0.4, 1.25);
  -o-transition: 0.5s cubic-bezier(0, -0.02, 0.4, 1.25);
  transition: 0.5s cubic-bezier(0, -0.02, 0.4, 1.25);
}

.theme-switch__stars-container {
  position: absolute;
  color: var(--stars-color);
  top: -100%;
  left: 0.312em;
  width: 2.75em;
  height: auto;
  -webkit-transition: var(--transition);
  -o-transition: var(--transition);
  transition: var(--transition);
}

/* Theme Switch Actions - Dark Mode (checked) */
.theme-switch__checkbox:checked+.theme-switch__container {
  background-color: var(--container-night-bg);
}

.theme-switch__checkbox:checked+.theme-switch__container .theme-switch__circle-container {
  left: calc(100% - var(--circle-container-offset) - var(--circle-container-diameter));
}

.theme-switch__checkbox:checked+.theme-switch__container .theme-switch__circle-container:hover {
  left: calc(100% - var(--circle-container-offset) - var(--circle-container-diameter) - 0.187em);
}

.theme-switch__circle-container:hover {
  left: calc(var(--circle-container-offset) + 0.187em);
}

.theme-switch__checkbox:checked+.theme-switch__container .theme-switch__moon {
  -webkit-transform: translate(0);
  -ms-transform: translate(0);
  transform: translate(0);
}

.theme-switch__checkbox:checked+.theme-switch__container .theme-switch__clouds {
  bottom: -4.062em;
}

.theme-switch__checkbox:checked+.theme-switch__container .theme-switch__stars-container {
  top: 50%;
  -webkit-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  transform: translateY(-50%);
}

/* Contact CTA - Shake & Press Animation */
.nav-cta {
  cursor: pointer;
  position: relative;
  background: transparent;
  padding: 0.35rem;
  border-radius: 12px;
  min-width: 9rem;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  text-decoration: none;
  border: 2px solid var(--border-color);
  overflow: hidden;
  transition: border-color 0.3s ease, transform 0.2s ease;
}

.nav-cta:hover {
  border-color: #00D9FF;
  transform: scale(1.02);
}

.nav-cta:active {
  transform: scale(0.98);
}

/* Arrow circle - stays in place */
.nav-cta-circle {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 8px;
  background: #00D9FF;
  flex-shrink: 0;
  margin-left: 0.3rem;
}

/* Arrow icon - shake/wiggle animation on hover */
.nav-cta-arrow {
  width: 0.9rem;
  height: 0.9rem;
  color: var(--bg-primary);
  transition: transform 0.2s ease;
}

.nav-cta:hover .nav-cta-arrow {
  animation: arrowShake 0.6s ease-in-out;
}

@keyframes arrowShake {

  0%,
  100% {
    transform: translateX(0);
  }

  20% {
    transform: translateX(3px);
  }

  40% {
    transform: translateX(-2px);
  }

  60% {
    transform: translateX(2px);
  }

  80% {
    transform: translateX(-1px);
  }
}

/* Button text */
.nav-cta-text {
  padding-left: 0.75rem;
  padding-right: 0.9rem;
  font-weight: 500;
  font-size: 0.85rem;
  color: var(--text-secondary);
  white-space: nowrap;
  letter-spacing: 0.02em;
  transition: color 0.3s ease;
}

.nav-cta:hover .nav-cta-text {
  color: var(--text-primary);
}

.nav-cta:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

/* Header Responsive */
@media (max-width: 768px) {
  .nav-left {
    gap: 0.5rem;
  }

  .nav-icons-group {
    gap: 0.35rem;
  }

  .btn-nav-icon {
    width: 40px;
    height: 40px;
  }

  .btn-nav-icon svg {
    width: 18px;
    height: 18px;
  }

  /* Theme toggle: remove absolute positioning on tablet */
  .nav-center {
    position: static;
    transform: none;
  }

  .nav-right {
    gap: 0.5rem;
  }

  .nav-cta {
    padding: 0.5rem 1rem;
    height: 40px;
  }

  .nav-cta-circle {
    width: 1.75rem;
    height: 1.75rem;
  }

  .nav-cta-text {
    padding-left: 2rem;
    padding-right: 0.5rem;
    font-size: 0.75rem;
  }
}

@media (max-width: 480px) {
  header {
    padding: 0.5rem 0;
  }

  header .container {
    padding: 0 0.75rem;
  }

  .nav-left {
    gap: 0.25rem;
  }

  /* Smaller nav icons on small screens */
  .nav-icons-group {
    gap: 0.2rem;
  }

  .btn-nav-icon {
    width: 36px;
    height: 36px;
  }

  .nav-center {
    position: static;
    transform: none;
  }

  .nav-right {
    gap: 0.25rem;
  }

  /* CTA becomes icon-only button */
  .nav-cta {
    width: 36px;
    height: 36px;
    padding: 0;
    justify-content: center;
    border-radius: var(--radius-md);
  }

  .nav-cta-circle {
    position: static;
    width: 100%;
    height: 100%;
    border-radius: inherit;
    left: auto;
  }

  .nav-cta-text {
    display: none;
  }

  .nav-cta:hover .nav-cta-circle {
    left: auto;
    background: #00D9FF;
  }
}

/* ===== Hero Section - Premium Two Column Layout ===== */
.hero {
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  padding-top: clamp(90px, 10vh, 140px);
  padding-bottom: clamp(32px, 6vh, 80px);
  position: relative;
  overflow: hidden;
}

/* Dotted Grid Background */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, var(--border-color) 1px, transparent 1px);
  --grid-size: 24px;
  background-size: var(--grid-size) var(--grid-size);
  animation: grid-drift 24s linear infinite;
  opacity: 0.4;
  pointer-events: none;
}

/* Dark overlay for better text readability */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--hero-overlay);
  pointer-events: none;
}

.hero>.container {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1200px;
  padding-inline: clamp(16px, 3vw, 56px);
}

/* Hero Grid - Two Column Layout */
.hero-layout-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 4rem;
  align-items: center;
}

/* Left Column */
.hero-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}

/* Kicker Text */
.hero-kicker {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
  margin-top: -20px;
}

/* Name with Typing Effect */
/* Name with Typing Effect */
.hero-name {
  font-family: "Sixtyfour", monospace;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
  font-variation-settings: "BLED" 39, "SCAN" -11;
  font-size: clamp(0.9rem, 2.5vw, 1.8rem);
  white-space: normal;
  line-height: 1.4;
  color: #FFFFFF;
  letter-spacing: 0.02em;
  margin: 0;
  min-height: 1.2em;
  text-shadow:
    0 0 10px rgba(255, 255, 255, 0.3),
    0 0 20px rgba(255, 255, 255, 0.2);
}

.typing-name {
  font-family: inherit;
  color: #FFFFFF;
  -webkit-text-fill-color: #FFFFFF;
}

/* Light mode - make name visible with dark color */
:root[data-theme="light"] .hero-name {
  color: #0969DA;
  text-shadow:
    0 0 10px rgba(9, 105, 218, 0.2),
    0 0 20px rgba(9, 105, 218, 0.1);
}

:root[data-theme="light"] .typing-name {
  color: #0969DA;
  -webkit-text-fill-color: #0969DA;
}

/* Typing Cursor */
.typing-cursor {
  color: var(--accent-blue);
  font-weight: 300;
  animation: cursor-blink 1s ease-in-out infinite;
  margin-left: 2px;
}

@keyframes cursor-blink {

  0%,
  45% {
    opacity: 1;
  }

  50%,
  95% {
    opacity: 0;
  }

  100% {
    opacity: 1;
  }
}

/* Role Title */
.hero-role {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.8vw, 2rem);
  font-weight: 600;
  color: var(--text-primary);
  margin: 0.25rem 0 0 0;
  letter-spacing: -0.02em;
}

/* Subtitle */
.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 480px;
  margin: 0.5rem 0 0.5rem 0;
}

/* Hero Buttons */
.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.btn-hero {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.25s ease;
  cursor: pointer;
  text-decoration: none;
}

.btn-hero-primary {
  background: linear-gradient(135deg, var(--accent-blue), #00D9FF);
  color: var(--bg-primary);
  border: none;
}

.btn-hero-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(88, 166, 255, 0.35);
}

.btn-hero-secondary {
  background: transparent;
  border: 2px solid var(--accent-blue);
  color: var(--accent-blue);
}

.btn-hero-secondary:hover {
  background: rgba(88, 166, 255, 0.1);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(88, 166, 255, 0.2);
}

/* ===== Animated CV Book Button ===== */
.btn-cv-animated {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  font-weight: 500;
  font-size: 0.95rem;
  background: transparent;
  border: 2px solid var(--border-color);
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-cv-animated:hover {
  border-color: #00D9FF;
  color: #00D9FF;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 217, 255, 0.2);
}

.btn-cv-animated .book-wrapper {
  width: 32px;
  height: auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  position: relative;
}

.btn-cv-animated .book {
  width: 100%;
  height: auto;
  filter: drop-shadow(2px 2px 2px rgba(0, 0, 0, 0.2));
}

.btn-cv-animated .book-page {
  width: 50%;
  height: auto;
  position: absolute;
  transform-origin: left;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.btn-cv-animated:hover .book-page {
  opacity: 1;
  animation: paging 0.4s linear infinite;
}

@keyframes paging {
  0% {
    transform: rotateY(0deg) skewY(0deg);
  }

  50% {
    transform: rotateY(90deg) skewY(-20deg);
  }

  100% {
    transform: rotateY(180deg) skewY(0deg);
  }
}

/* ===== Animated Projects Button ===== */
.btn-projects-animated {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  font-weight: 500;
  font-size: 0.95rem;
  background: transparent;
  border: 2px solid var(--border-color);
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-projects-animated:hover {
  border-color: #00D9FF;
  color: #00D9FF;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 217, 255, 0.2);
}

.btn-projects-animated .code-wrapper {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-projects-animated .code-icon {
  width: 100%;
  height: 100%;
  stroke: currentColor;
}

.btn-projects-animated .bracket-left,
.btn-projects-animated .bracket-right {
  transition: transform 0.3s ease;
}

.btn-projects-animated .slash {
  transition: transform 0.3s ease;
  transform-origin: center;
}

.btn-projects-animated:hover .bracket-left {
  animation: bracket-left-pulse 0.5s ease infinite;
}

.btn-projects-animated:hover .bracket-right {
  animation: bracket-right-pulse 0.5s ease infinite;
}

.btn-projects-animated:hover .slash {
  animation: slash-rotate 0.6s ease infinite;
}

@keyframes bracket-left-pulse {

  0%,
  100% {
    transform: translateX(0);
  }

  50% {
    transform: translateX(-3px);
  }
}

@keyframes bracket-right-pulse {

  0%,
  100% {
    transform: translateX(0);
  }

  50% {
    transform: translateX(3px);
  }
}

@keyframes slash-rotate {

  0%,
  100% {
    transform: rotate(0deg);
  }

  50% {
    transform: rotate(-15deg);
  }
}

/* Social Icon Buttons */
.hero-social-icons {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}

.btn-social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: transparent;
  border: 2px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-secondary);
  transition: all 0.3s ease;
  cursor: pointer;
  padding: 0;
}

.btn-social-icon svg {
  width: 24px;
  height: 24px;
  transition: transform 0.3s ease, stroke 0.3s ease;
}

.btn-social-icon:hover {
  transform: scale(1.1);
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

.btn-social-icon:hover svg {
  stroke: var(--accent-blue);
}

/* Hero Social Icons */
.hero-social {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}

.hero-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-secondary);
  font-size: 1.1rem;
  transition: all 0.25s ease;
  cursor: pointer;
}

.hero-social-link:hover {
  color: var(--text-primary);
  border-color: var(--accent-blue);
  background: rgba(88, 166, 255, 0.08);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(88, 166, 255, 0.15);
}

/* ===== About Card - Glassmorphism ===== */
.hero-right {
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-card {
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  padding: 0.75rem 1.25rem;
  width: 100%;
  max-width: 380px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 0.25rem;
  transition: all 0.3s ease;
  z-index: 1;
  border: 1px solid transparent;
  background-clip: padding-box;
  box-shadow: var(--shadow-card);
  margin-bottom: clamp(16px, 3vh, 40px);
}

/* Gradient Border */
.about-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  /* border width */
  background: linear-gradient(135deg, rgba(88, 166, 255, 0.4), rgba(163, 113, 247, 0.1), rgba(88, 166, 255, 0.4));
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  z-index: 2;
}

.about-card:hover {
  transform: translateY(-5px);
  /* Neon Blue Glow Effect */
  box-shadow: 0 0 25px rgba(88, 166, 255, 0.5), 0 0 5px rgba(88, 166, 255, 0.5), var(--shadow-card-hover);
  border-color: #58A6FF;
  background: radial-gradient(circle at center, rgba(88, 166, 255, 0.08) 0%, rgba(22, 27, 34, 0.95) 100%);
}

.about-card:hover::before {
  /* Hide gradient border on hover to let the neon border shine */
  opacity: 0;
}

.about-card-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--border-subtle);
  letter-spacing: -0.01em;
}

/* About Me Retro Title */
.about-title-retro {
  font-family: "Sixtyfour", monospace;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
  font-variation-settings: "BLED" 39, "SCAN" -11;
  font-size: clamp(0.9rem, 2vw, 1.25rem);
  color: #FFFFFF;
  margin: 0 0 0.15rem 0;
  text-shadow:
    0 0 10px rgba(255, 255, 255, 0.3),
    0 0 20px rgba(255, 255, 255, 0.2);
}

:root[data-theme="light"] .about-title-retro {
  color: #0969DA;
  text-shadow:
    0 0 10px rgba(9, 105, 218, 0.2),
    0 0 20px rgba(9, 105, 218, 0.1);
}

/* Stats Row */
.stats-row {
  display: flex;
  justify-content: space-between;
  justify-content: space-between;
  gap: 0.25rem;
  padding: 0.15rem 0;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 1;
}

.stat-number {
  font-size: 1.1rem;
  font-weight: 700;
  color: #00D9FF;
  line-height: 1;
}

.stat-number i {
  font-size: 1.3rem;
}

.stat-label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  font-size: 0.65rem;
  color: var(--text-secondary);
  margin-top: 0.2rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* Status Single */
.status-single {
  padding: 0.75rem 0;
  display: flex;
  justify-content: center;
  border-bottom: 1px solid var(--border-subtle);
}

/* Availability Section */
.availability-section {
  padding: 0.15rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.availability-title {
  font-family: "Sixtyfour", monospace;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
  font-variation-settings: "BLED" 39, "SCAN" -11;
  font-size: 0.9rem;
  color: #FFFFFF;
  margin: 0 0 0.25rem 0;
  text-shadow:
    0 0 8px rgba(255, 255, 255, 0.25),
    0 0 15px rgba(255, 255, 255, 0.15);
}

:root[data-theme="light"] .availability-title {
  color: #0969DA;
  text-shadow:
    0 0 8px rgba(9, 105, 218, 0.15),
    0 0 15px rgba(9, 105, 218, 0.1);
}

.availability-badges {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.availability-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.6rem;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.availability-badge i {
  color: inherit;
  font-size: 0.85rem;
}

.badge-internship i {
  color: var(--accent-green);
}

.badge-collab i {
  color: var(--accent-purple);
}

.badge-location i {
  color: #00D9FF;
}

/* Profile Header - New Professional Layout */
.profile-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.profile-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.profile-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.profile-role {
  font-size: 0.85rem;
  color: #00D9FF;
  font-weight: 500;
}

.profile-location {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  padding: 0.35rem 0.7rem;
  border-radius: 6px;
}

.profile-location i {
  font-size: 0.7rem;
  color: var(--accent-blue);
}

/* Status Row */
.status-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.75rem 0;
}

/* Profile Education */
.profile-education {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
}

.profile-education i {
  color: var(--accent-purple);
  font-size: 0.9rem;
}

/* Info Items */
.about-card-info {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.about-info-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.about-info-item i {
  color: var(--accent-blue);
  font-size: 0.9rem;
  width: 18px;
  text-align: center;
}

/* Stack Items */
.about-card-stack {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.stack-item {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  /* Space between label and value */
  font-size: 1rem;
}

.stack-label {
  flex: 0 0 130px;
  /* Fixed width for alignment */
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  opacity: 0.9;
}

.stack-value {
  flex: 1;
  /* Takes remaining space */
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 400;
  line-height: 1.5;
}

/* New Tech Stack Visual Badges - 2 Column Grid */
.tech-stack-section {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.4rem 0.75rem;
  padding: 0.5rem 0;
  border-top: 1px solid var(--border-subtle);
}

.stack-row {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
}

.stack-category {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
  margin-bottom: 0.25rem;
}

.stack-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  padding: 0.15rem 0.4rem;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.6rem;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.tech-badge i {
  font-size: 0.65rem;
  color: var(--text-secondary);
}

.tech-badge:hover {
  border-color: #00D9FF;
  color: var(--text-primary);
  box-shadow: 0 0 8px rgba(0, 217, 255, 0.4), inset 0 0 4px rgba(0, 217, 255, 0.1);
  transform: translateY(-1px);
}

.tech-badge:hover i {
  color: #00D9FF;
}

/* Tech Stack Responsive - 1 column on mobile */
@media (max-width: 768px) {
  .tech-stack-section {
    grid-template-columns: 1fr;
  }
}

/* Status Badges */
.about-card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
}

.status-available {
  background: rgba(63, 185, 80, 0.12);
  color: var(--accent-green);
  border: 1px solid rgba(63, 185, 80, 0.3);
}

.status-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.6;
    transform: scale(1.2);
  }
}

.status-projects {
  background: rgba(88, 166, 255, 0.12);
  color: var(--accent-blue);
  border: 1px solid rgba(88, 166, 255, 0.3);
}

.status-projects i {
  font-size: 0.7rem;
}

/* Now Building Section */
.about-card-now {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.now-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.now-value {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ===== Hero Responsive ===== */
@media (max-width: 1024px) {
  .hero-layout-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }

  .hero-left {
    align-items: center;
  }

  .hero-subtitle {
    max-width: 100%;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-social {
    justify-content: center;
  }

  .hero-right {
    justify-content: center;
  }

  .about-card {
    max-width: 440px;
  }
}

@media (max-width: 600px) {
  .hero {
    padding-top: 90px;
    padding-bottom: 100px;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
    max-width: 280px;
  }

  .btn-hero {
    width: 100%;
    justify-content: center;
  }

  .about-card {
    padding: 1.5rem;
  }

  .about-card-title {
    font-size: 1.1rem;
  }
}

/* Responsive Stack for Mobile */
@media (max-width: 480px) {
  .stack-item {
    flex-direction: column;
    gap: 0.25rem;
  }

  .stack-label {
    flex: 0 0 auto;
    width: 100%;
    margin-bottom: 2px;
  }
}


/* Projects Section */
.projects {
  padding: 5rem 0;
  background: var(--bg-primary);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  align-items: stretch;
}

.project-card {
  background: var(--bg-secondary);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  border-color: #00D9FF;
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 217, 255, 0.15);
}

.project-image {
  height: 160px;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.project-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, var(--border-color) 1px, transparent 1px);
  --grid-size: 16px;
  background-size: var(--grid-size) var(--grid-size);
  animation: grid-drift 18s linear infinite reverse;
  opacity: 0.5;
}

.project-icon {
  color: var(--accent-blue);
  position: relative;
  z-index: 1;
  opacity: 0.5;
  will-change: transform;
  animation: icon-float 6.5s ease-in-out infinite;
}

.project-card:nth-child(2n) .project-icon {
  animation-delay: -2.2s;
}

.project-card:nth-child(3n) .project-icon {
  animation-delay: -3.7s;
}

.project-info {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-info h3 {
  margin-bottom: 0.5rem;
  font-size: 1.125rem;
  color: var(--text-primary);
}

.project-info p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-size: 0.875rem;
  flex: 1;
  line-height: 1.6;
}

/* Tech Tags */
.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  font-size: 0.75rem;
  color: var(--accent-blue);
  font-weight: 500;
}

.project-links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: auto;
}

.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.875rem;
  color: var(--text-primary);
  font-weight: 500;
  transition: all 0.2s ease;
}

.link-btn:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

.link-btn-secondary {
  background: transparent;
}

.link-btn-secondary:hover {
  background: var(--bg-tertiary);
}

/* About Section */
.about {
  padding: 5rem 0;
  background: var(--bg-primary);
}

.about-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.about-content p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Contact Section */
.contact {
  padding: 5rem 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.contact-content {
  text-align: center;
}

.contact-text {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* Footer */
footer {
  padding: 2rem 0;
  text-align: center;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  background: var(--bg-primary);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.25rem;
  }

  .hero-description {
    font-size: 1rem;
    padding: 0 1rem;
  }

  .hero-label {
    font-size: 0.8rem;
  }

  .nav-icons {
    display: none;
  }

  .project-grid {
    grid-template-columns: 1fr;
  }

  .tech-marquee {
    --marquee-duration: 20s;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.875rem;
  }

  .container {
    padding: 0 1rem;
  }

  .project-card {
    min-height: auto;
  }
}

/* ===== Contact Section ===== */
.contact-minimal {
  padding: clamp(4.5rem, 8vw, 7rem) 0;
  background: transparent;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.contact-minimal::before {
  content: none;
}

.contact-minimal .container {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.35rem;
}

.contact-logo {
  display: flex;
  align-items: center;
  font-family: "Sixtyfour", monospace;
  font-size: clamp(1.25rem, 3vw, 2rem);
}

.contact-logo .logo-initials {
  display: inline-flex;
  align-items: center;
  gap: 0.08em;
}

.contact-logo .logo-initial-d {
  color: var(--text-primary);
}

.contact-logo .logo-initial-g {
  color: #00D9FF;
  text-shadow: 0 0 18px rgba(0, 217, 255, 0.35);
}

.contact-title-minimal {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-primary);
  margin: 0;
}

.contact-title-minimal span {
  background: linear-gradient(90deg, #00D9FF 0%, #58A6FF 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.contact-grid-minimal {
  width: min(1120px, 100%);
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.contact-card-minimal {
  background: var(--contact-card-bg);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 320px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.contact-card-minimal:hover {
  transform: translateY(-5px);
  border-color: rgba(88, 166, 255, 0.5);
  box-shadow: 0 22px 42px rgba(0, 0, 0, 0.22);
}

.contact-card-icon {
  width: 60px;
  height: 60px;
  border-radius: 999px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.contact-card-title {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 700;
  margin: 0;
  color: var(--text-primary);
}

.contact-buttons {
  width: 100%;
  margin-top: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.btn-contact-primary,
.btn-contact-secondary,
.btn-contact-dark,
.btn-contact-whatsapp {
  width: 100%;
  min-height: 52px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.98rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.btn-contact-primary {
  background: linear-gradient(135deg, #00D9FF 0%, #58A6FF 100%);
  color: #0D1117;
  border: 1px solid transparent;
}

.btn-contact-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(88, 166, 255, 0.35);
}

.btn-contact-secondary {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  cursor: pointer;
  font-family: inherit;
}

.btn-contact-secondary:hover {
  transform: translateY(-2px);
  border-color: #00D9FF;
  color: #00D9FF;
}

.btn-contact-secondary.copied {
  border-color: var(--accent-green);
  color: var(--accent-green);
}

.btn-contact-dark {
  background: linear-gradient(135deg, #111B3A 0%, #0D1117 100%);
  border: 1px solid #26355F;
  color: #F5F9FF;
}

.btn-contact-dark:hover {
  transform: translateY(-2px);
  border-color: #3E5CA6;
  box-shadow: 0 10px 24px rgba(17, 27, 58, 0.45);
}

.btn-contact-whatsapp {
  background: rgba(63, 185, 80, 0.12);
  border: 1px solid rgba(63, 185, 80, 0.5);
  color: #4BD56A;
}

.btn-contact-whatsapp:hover {
  transform: translateY(-2px);
  background: rgba(63, 185, 80, 0.2);
  border-color: #4BD56A;
}

.contact-social {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  width: 100%;
  margin-top: 1.4rem;
}

.social-icon-minimal {
  width: 64px;
  height: 64px;
  border-radius: 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 1.75rem;
  transition: transform 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.social-icon-minimal:hover {
  transform: translateY(-2px);
  border-color: #00D9FF;
  color: #00D9FF;
  box-shadow: 0 10px 22px rgba(0, 217, 255, 0.18);
}

@media (max-width: 1080px) {
  .contact-grid-minimal {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-grid-minimal .contact-card-minimal:last-child {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .contact-grid-minimal {
    grid-template-columns: 1fr;
  }

  .contact-grid-minimal .contact-card-minimal:last-child {
    grid-column: span 1;
  }

  .contact-card-minimal {
    min-height: auto;
  }
}



/* Background Glow */
.contact-bg-glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 50% at 20% 50%, rgba(88, 166, 255, 0.08) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 80% 30%, rgba(88, 166, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

/* Header */
.contact-header {
  text-align: center;
  margin-bottom: 4rem;
  position: relative;
  z-index: 1;
}

.contact-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;

  margin-bottom: 0.75rem;
}

.contact-title-accent {
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
  border-radius: 2px;
  margin: 0 auto 1.5rem;
}

.contact-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.6;
}

.text-highlight {
  color: var(--accent-blue);
  font-weight: 500;
}

/* Cards Grid */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 2rem;
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
}

/* Card Base */
.contact-card {
  background: var(--contact-card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px var(--card-shadow-hover);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

/* Links Card */
.contact-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem;
  border-radius: 10px;
  text-decoration: none;
  transition: background 0.2s ease;
}

.contact-link:hover {
  background: var(--bg-tertiary);
}

.contact-link-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--bg-tertiary);
  border-radius: 8px;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.contact-link:hover .contact-link-icon {
  color: var(--accent-blue);
}

.contact-link-content {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.contact-link-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-link-value {
  font-size: 0.9rem;
  color: var(--text-primary);
  font-weight: 500;
}

.contact-link:hover .contact-link-value {
  color: var(--accent-blue);
}

/* Copy Email Button Styles */
button.contact-link {
  background: transparent;
  border: none;
  cursor: pointer;
  width: 100%;
  text-align: left;
  font-family: inherit;
  position: relative;
}

button.contact-link:hover {
  background: var(--bg-tertiary);
}

.copy-feedback {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  background: var(--accent-green);
  color: var(--bg-primary);
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.copy-feedback.show {
  opacity: 1;
}

.copy-email-btn.copied {
  border-color: var(--accent-green) !important;
}

.copy-email-btn.copied .contact-link-icon {
  color: var(--accent-green);
}

/* Header icon button copied state */
.icon-btn.copy-email-btn.copied {
  border-color: var(--accent-green);
  color: var(--accent-green);
}

/* Form Card */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  padding: 0.875rem 1rem;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.15);
}

.form-group input.error,
.form-group textarea.error {
  border-color: #f85149;
}

.form-error {
  font-size: 0.75rem;
  color: #f85149;
  min-height: 1em;
}

/* Submit Button */
.btn-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  border: none;
  border-radius: 10px;
  color: #0D1117;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
  margin-top: 0.5rem;
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(63, 185, 80, 0.3);
}

.btn-submit:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Success Message */
.form-success {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem;
  background: rgba(63, 185, 80, 0.1);
  border: 1px solid var(--accent-green);
  border-radius: 10px;
  color: var(--accent-green);
  font-size: 0.9rem;
}

.form-success.show {
  display: flex;
}

/* Contact Responsive */
@media (max-width: 768px) {
  .contact-section {
    padding: 4rem 0;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .contact-card-form {
    order: -1;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-title {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .contact-card {
    padding: 1.5rem;
  }

  .btn-submit {
    width: 100%;
  }
}

/* Featured Projects Title with Icon */
.section-title-icon {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;

}

.title-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--bg-secondary);
  border-radius: 10px;
  color: #00D9FF;
  -webkit-text-fill-color: initial;
}

.title-icon svg {
  width: 20px;
  height: 20px;
}

/* Two-tone title colors */
.title-featured {
  color: #00D9FF;
  /* Cyan claro */
}

.title-projects {
  color: #58A6FF;
  /* Azul GitHub */
}

/* Button text two-tone */
.btn-submit .title-featured,
.btn-submit .title-projects {
  -webkit-text-fill-color: initial;
}

.btn-submit .title-featured {
  color: #0D1117;
}

.btn-submit .title-projects {
  color: #161B22;
}

/* ===== Project Cards - New Design ===== */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

/* Project Image */
.project-card .project-image {
  position: relative;
  height: 200px;
  overflow: hidden;
  background: linear-gradient(135deg, #1a1f26 0%, #0d1117 100%);
  border-bottom: 1px solid var(--border-color);
}

.project-card .project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.4s ease, opacity 0.3s ease;
  border-radius: 19px 19px 0 0;
}

.project-card .project-image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40px;
  background: linear-gradient(to top, var(--bg-secondary), transparent);
  pointer-events: none;
}

.project-card:hover .project-image img {
  transform: scale(1.08);
  opacity: 0.9;
}

/* Project Info */
.project-card .project-info {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.project-card .project-info h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

/* Tech Badges */
.tech-badges {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

.tech-badges .badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--accent-blue);
  font-size: 1.1rem;
}

/* Description */
.project-card .project-info p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Project Links */
.project-card .project-links {
  display: flex;
  gap: 1.5rem;
  margin-top: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--accent-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}

.project-link:hover {
  color: var(--accent-green);
}

.project-link-secondary {
  color: var(--text-secondary);
}

.project-link-secondary:hover {
  color: var(--text-primary);
}

/* Responsive */
@media (max-width: 768px) {
  .project-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .project-header {
    flex-direction: column;
    gap: 0.75rem;
  }

  .tech-badges {
    order: -1;
  }
}

/* ===== Featured Projects - Marquee ===== */
.projects-marquee {
  --projects-marquee-gap: 2rem;
  margin-top: 2.25rem;
  position: relative;
}

.projects-track {
  display: flex;
  width: 100%;
}

.projects-marquee--animate {
  overflow: hidden;
  padding: 0.75rem 0.25rem;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}

.projects-marquee--animate .projects-track {
  width: max-content;
  will-change: transform;
  transform: translate3d(0, 0, 0);
  animation: projectsMarqueeScroll var(--projects-marquee-duration, 40s) linear infinite;
}

.projects-marquee--animate .projects-group {
  display: flex;
  flex: 0 0 auto;
  gap: var(--projects-marquee-gap);
  padding-right: var(--projects-marquee-gap);
}

.projects-marquee--animate .project-card {
  flex: 0 0 clamp(280px, 32vw, 360px);
}

.projects-marquee:hover .projects-track,
.projects-marquee:focus-within .projects-track {
  animation-play-state: paused;
}

@keyframes projectsMarqueeScroll {
  from {
    transform: translate3d(0, 0, 0);
  }

  to {
    transform: translate3d(calc(-1 * var(--projects-marquee-distance, 0px)), 0, 0);
  }
}

@media (max-width: 768px) {
  .projects-marquee {
    --projects-marquee-gap: 1.25rem;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0.5rem 0.25rem 1rem;
    scroll-snap-type: x mandatory;
    overscroll-behavior-x: contain;
    touch-action: pan-x pan-y;
    -webkit-mask-image: none;
    mask-image: none;
    scrollbar-width: none;
  }

  .projects-marquee::-webkit-scrollbar {
    display: none;
  }

  .projects-marquee .projects-track {
    width: max-content;
    animation: none !important;
  }

  .projects-marquee .projects-group {
    display: flex;
    flex: 0 0 auto;
    gap: var(--projects-marquee-gap);
    padding-right: var(--projects-marquee-gap);
  }

  .projects-marquee .project-card {
    flex: 0 0 min(84vw, 360px);
    scroll-snap-align: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .projects-marquee--animate {
    -webkit-mask-image: none;
    mask-image: none;
  }

  .projects-marquee--animate .projects-track {
    animation: none;
    transform: none;
  }
}

/* Particles Canvas */
#particles-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}



/* ===== Subtle Section Animations ===== */

/* Projects Section - Subtle Grid with Glow */
.projects {
  position: relative;
  overflow: hidden;
}

.projects::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(48, 54, 61, 0.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(48, 54, 61, 0.2) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: subtleGridShift 25s linear infinite;
  pointer-events: none;
  opacity: 0.5;
}

.projects::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 30% at 10% 50%, rgba(88, 166, 255, 0.05) 0%, transparent 60%),
    radial-gradient(ellipse 40% 30% at 90% 50%, rgba(163, 113, 247, 0.04) 0%, transparent 60%);
  pointer-events: none;
}

@keyframes subtleGridShift {
  0% {
    background-position: 0 0, 0 0;
  }

  100% {
    background-position: 50px 50px, 50px 50px;
  }
}

.projects .container {
  position: relative;
  z-index: 1;
}

/* About Section - Same subtle grid */
.about {
  position: relative;
  overflow: hidden;
}

.about::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(48, 54, 61, 0.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(48, 54, 61, 0.2) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: subtleGridShift 30s linear infinite reverse;
  pointer-events: none;
  opacity: 0.4;
}

.about::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 40% 40% at 80% 20%, rgba(63, 185, 80, 0.04) 0%, transparent 60%),
    radial-gradient(ellipse 30% 40% at 20% 80%, rgba(0, 217, 255, 0.03) 0%, transparent 60%);
  pointer-events: none;
}

.about .container {
  position: relative;
  z-index: 1;
}

/* Floating Astronaut - Static version */
.floating-astronaut {
  position: fixed;
  z-index: 100;
  width: 70px;
  height: auto;
  pointer-events: auto;
  /* Fixed position: bottom right corner */
  right: 20px;
  bottom: 20px;
  /* No animations */
  animation: none;
  opacity: 0.85;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.floating-astronaut--hidden {
  display: none !important;
}

.floating-astronaut img {
  width: 100%;
  height: auto;
  /* No rotation animation */
  animation: none;
  filter: drop-shadow(0 0 8px rgba(255, 160, 50, 0.4));
  transition: filter 0.3s ease, transform 0.3s ease;
}

.floating-astronaut:hover {
  opacity: 1;
  transform: scale(1.05);
}

.floating-astronaut:hover img {
  filter: drop-shadow(0 0 15px rgba(255, 160, 50, 0.7));
}

/* Mobile: smaller and repositioned */
@media (max-width: 768px) {
  .floating-astronaut {
    width: 50px;
    right: 12px;
    bottom: 12px;
  }
}

/* Footer Styles */
footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border-subtle);
  background: transparent;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.footer-time-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: all 0.2s ease;
}

.footer-time-card:hover {
  border-color: #00D9FF;
  box-shadow: 0 0 12px rgba(0, 217, 255, 0.3);
}

.footer-moon {
  width: 20px;
  height: 20px;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.footer-time-card:hover .footer-moon {
  color: #00D9FF;
}

.footer-time {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.footer-date {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin: 0;
}

.footer-title-container {
  text-align: center;
  margin-bottom: 0.5rem;
}

.footer-title {
  font-size: clamp(0.8rem, 2vw, 1.2rem);
  margin: 0;
  display: inline-flex;
  align-items: center;
}

.footer-name {
  font-family: "Sixtyfour", monospace;
  font-optical-sizing: auto;
  font-weight: 400;
  font-variation-settings: "BLED" 39, "SCAN" -11;
}

.footer-name-blue {
  color: #00D9FF;
  text-shadow: 0 0 10px rgba(0, 217, 255, 0.3);
}

.footer-name-white {
  color: var(--text-primary);
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

.footer-copyright {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin: 0;
}

.footer-typing-cursor {
  font-family: "Sixtyfour", monospace;
  color: #00D9FF;
  animation: footerBlink 0.7s infinite;
  margin-left: 2px;
}

@keyframes footerBlink {

  0%,
  50% {
    opacity: 1;
  }

  51%,
  100% {
    opacity: 0;
  }
}

.footer-description {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-secondary);
  max-width: 500px;
  text-align: center;
  line-height: 1.5;
  margin: 0;
}

/* Entrance Animation */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-entrance {
  animation: fadeInUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

/* ===== Projects Grid Layout (Fixed) ===== */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding: 1rem 0;
}

/* Ensure cards take full height */
.project-card {
  height: 100%;
  max-width: 980px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  position: relative;
  cursor: pointer;
  /* Clickable card */
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--accent-blue);
}

.project-card:focus-within {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.28);
}

.project-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-card:hover .project-image img {
  transform: scale(1.05);
}

/* Overlay on Hover */
.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(13, 17, 23, 0.6);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.project-card:hover .project-overlay {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.project-card:focus-within .project-overlay {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.view-details-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.2rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  color: #fff;
  font-weight: 500;
  font-size: 0.9rem;
  backdrop-filter: blur(4px);
  transform: translateY(10px);
  transition: transform 0.3s ease, background 0.2s ease;
  cursor: pointer;
}

.project-card:hover .view-details-btn {
  transform: translateY(0);
}

.project-card:focus-within .view-details-btn {
  transform: translateY(0);
}

.view-details-btn:hover {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
}

.view-details-btn:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 3px;
}

.project-info {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.project-header h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
}

.tech-badges {
  display: flex;
  gap: 0.5rem;
}

.badge {
  font-size: 1.1rem;
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.project-card:hover .badge {
  color: var(--accent-blue);
}

.project-info p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.project-links {
  display: flex;
  gap: 0.75rem;
  margin-top: auto;
}

.projects-grid .project-card .project-links {
  gap: 0.75rem;
  margin-top: auto;
  padding-top: 0;
  border-top: 0;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--accent-blue);
  text-decoration: none;
  transition: opacity 0.2s ease;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
}

.project-link:hover {
  opacity: 0.8;
  text-decoration: underline;
}

.project-link:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 3px;
}

.project-link:disabled {
  color: var(--text-secondary);
  opacity: 0.55;
  cursor: not-allowed;
  text-decoration: none;
}

.project-link-secondary {
  color: var(--text-secondary);
}

.project-link-secondary:hover {
  color: var(--text-primary);
}


/* ===== Modal Styles (Enhanced) ===== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  /* Darker backdrop */
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

/* Larger Container */
.modal-container {
  background: var(--bg-secondary);
  background: rgba(13, 17, 23, 0.95);
  /* Deep dark */
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 1120px;
  max-height: calc(100vh - 1.5rem);
  overflow: hidden;
  position: relative;
  box-shadow: 0 50px 100px -20px rgba(0, 0, 0, 0.5);
  transform: scale(0.95) translateY(20px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.modal-backdrop.active .modal-container {
  transform: scale(1) translateY(0);
}

.modal-container:focus {
  outline: none;
}

.modal-container:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all 0.2s ease;
  z-index: 20;
}

.modal-close:hover {
  background: var(--accent-blue);
  color: #fff;
  transform: rotate(90deg);
}

.modal-close:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
}

/* Modal Content Layout */
.modal-content {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.modal-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-right: 2.5rem;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.modal-title {
  font-size: 1.35rem;
  margin: 0;
  color: var(--text-primary);
  background: linear-gradient(to right, #fff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.modal-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.modal-status-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.24rem 0.65rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid transparent;
}

.status-completed {
  color: #4bd56a;
  background: rgba(75, 213, 106, 0.16);
  border-color: rgba(75, 213, 106, 0.4);
}

.status-in-progress {
  color: #f8c555;
  background: rgba(248, 197, 85, 0.16);
  border-color: rgba(248, 197, 85, 0.35);
}

.status-maintenance {
  color: #7ac4ff;
  background: rgba(122, 196, 255, 0.16);
  border-color: rgba(122, 196, 255, 0.4);
}

.modal-actions {
  display: flex;
  gap: 0.55rem;
}

.btn-modal-primary,
.btn-modal-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 36px;
  padding: 0.45rem 0.7rem;
  border-radius: 10px;
  border: 1px solid transparent;
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
}

.btn-modal-primary {
  background: linear-gradient(135deg, #00d9ff 0%, #58a6ff 100%);
  color: #0d1117;
}

.btn-modal-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.btn-modal-primary:hover,
.btn-modal-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.25);
}

.btn-modal-primary.is-disabled,
.btn-modal-secondary.is-disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-modal-primary:focus-visible,
.btn-modal-secondary:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 3px;
}

/* Two-column layout */
.modal-body-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 0;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

/* Gallery Section (Left) */
.modal-gallery-section {
  padding: 1rem;
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  min-height: 0;
}

.gallery-main {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  /* Show full image */
  transition: opacity 0.3s ease;
}

.gallery-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(0, 0, 0, 0.45);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.gallery-nav:hover {
  background: rgba(0, 0, 0, 0.65);
  border-color: rgba(255, 255, 255, 0.35);
}

.gallery-nav:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
}

.gallery-nav-prev {
  left: 0.8rem;
}

.gallery-nav-next {
  right: 0.8rem;
}

.gallery-caption {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.3;
  color: var(--text-muted);
}

.gallery-thumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  overflow: hidden;
  padding-bottom: 0;
}

.gallery-thumb {
  width: 64px;
  height: 44px;
  padding: 0;
  background: transparent;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  opacity: 0.6;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-thumb:hover {
  opacity: 1;
}

.gallery-thumb.active {
  border-color: var(--accent-blue);
  opacity: 1;
}

.gallery-thumb:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
  opacity: 1;
}

.diagram-panel {
  display: none;
}

.tech-diagram {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
}

/* Hide the bottom tech flow row under the gallery image */
#modal-tech-diagram {
  display: none !important;
}

.tech-diagram-node {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  font-size: 0.78rem;
  color: var(--text-primary);
  background: rgba(88, 166, 255, 0.12);
  border: 1px solid rgba(88, 166, 255, 0.35);
}

.tech-diagram-arrow {
  color: var(--text-muted);
  font-size: 0.82rem;
}


/* Info Section (Right) */
.modal-info-section {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  min-height: 0;
  overflow: hidden;
}

.info-block h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 0.45rem;
}

.modal-description-text {
  font-size: 0.86rem;
  line-height: 1.4;
  color: var(--text-secondary);
  margin: 0;
}

/* Tech Stack Grid */
.tech-stack-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.45rem;
}

.tech-pill {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.55rem;
  border-radius: 7px;
  color: var(--text-primary);
  font-size: 0.78rem;
  transition: all 0.2s ease;
}

.tech-pill i {
  font-size: 0.9rem;
}

.tech-pill:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent-blue);
  transform: translateY(-2px);
}

/* Features List */
.modal-features-list {
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--border-color);
  margin: 0;
}

.modal-features-list li {
  margin-bottom: 0.45rem;
  padding-left: 0.9rem;
  font-size: 0.82rem;
  line-height: 1.35;
  color: var(--text-secondary);
  position: relative;
}

.modal-features-list li:last-child {
  margin-bottom: 0;
}

.modal-features-list li::before {
  content: "-";
  color: var(--accent-green);
  position: absolute;
  left: 0;
  font-weight: bold;
}

/* Responsive */
@media (max-width: 900px) {
  .modal-header {
    padding: 1.5rem;
  }

  .modal-header-top {
    margin-right: 2.5rem;
    align-items: flex-start;
  }

  .modal-actions {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .btn-modal-primary,
  .btn-modal-secondary {
    width: 100%;
  }

  .modal-body-grid {
    grid-template-columns: 1fr;
    overflow: hidden;
  }

  .modal-gallery-section {
    padding: 1.5rem;
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
  }

  .modal-info-section {
    padding: 1.5rem;
    overflow: hidden;
  }
}