@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;500;600;700;800&display=swap');

/* ==========================================
   1. DESIGN SYSTEM & VARIABLES
   ========================================== */
:root {
  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-elastic: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Color Space Interpolations */
  --in-oklch: ;
  --in-oklab: ;

  /* LIGHT THEME TOKENS */
  --bg-primary: oklch(98% 0.005 240);
  --bg-secondary: oklch(95% 0.01 240);
  --text-primary: oklch(20% 0.015 240);
  --text-secondary: oklch(45% 0.015 240);
  --accent-1: oklch(62% 0.16 300); /* Purple */
  --accent-2: oklch(64% 0.15 200); /* Teal */
  --accent-3: oklch(66% 0.18 30);  /* Amber/Coral */
  --accent-glow: oklch(62% 0.16 300 / 12%);
  --border-color: oklch(90% 0.01 240);
  --glass-bg: rgba(255, 255, 255, 0.55);
  --glass-border: rgba(255, 255, 255, 0.7);
  --card-bg: oklch(100% 0 0);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.1);
  --glow-opacity: 0.1;
  --scrollbar-thumb: oklch(75% 0.01 240);
  --scrollbar-track: oklch(94% 0.01 240);

  color-scheme: light dark;
}

@supports (linear-gradient(in oklch, white, black)) {
  :root {
    --in-oklch: in oklch;
    --in-oklab: in oklab;
  }
}

/* DARK THEME TOKENS */
html[data-theme="dark"] {
  --bg-primary: oklch(12% 0.015 240);
  --bg-secondary: oklch(16% 0.02 240);
  --text-primary: oklch(93% 0.01 240);
  --text-secondary: oklch(72% 0.015 240);
  --accent-1: oklch(68% 0.18 300); /* Neon Purple */
  --accent-2: oklch(72% 0.16 200); /* Neon Teal */
  --accent-3: oklch(74% 0.20 30);  /* Neon Amber/Coral */
  --accent-glow: oklch(68% 0.18 300 / 18%);
  --border-color: oklch(22% 0.02 240);
  --glass-bg: rgba(14, 14, 22, 0.5);
  --glass-border: rgba(255, 255, 255, 0.06);
  --card-bg: oklch(16% 0.018 240);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 10px 35px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
  --glow-opacity: 0.25;
  --scrollbar-thumb: oklch(35% 0.02 240);
  --scrollbar-track: oklch(15% 0.01 240);
}

@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) {
    --bg-primary: oklch(12% 0.015 240);
    --bg-secondary: oklch(16% 0.02 240);
    --text-primary: oklch(93% 0.01 240);
    --text-secondary: oklch(72% 0.015 240);
    --accent-1: oklch(68% 0.18 300);
    --accent-2: oklch(72% 0.16 200);
    --accent-3: oklch(74% 0.20 30);
    --accent-glow: oklch(68% 0.18 300 / 18%);
    --border-color: oklch(22% 0.02 240);
    --glass-bg: rgba(14, 14, 22, 0.5);
    --glass-border: rgba(255, 255, 255, 0.06);
    --card-bg: oklch(16% 0.018 240);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 10px 35px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
    --glow-opacity: 0.25;
    --scrollbar-thumb: oklch(35% 0.02 240);
    --scrollbar-track: oklch(15% 0.01 240);
  }
}

/* Reduced Motion Utility */
@property --animation-reduced {
  syntax: "*";
  inherits: false;
  initial-value: none;
}
@media (prefers-reduced-motion: reduce) {
  * {
    animation: var(--animation-reduced) !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================
   2. BASIC RESETS & BASE LAYOUT
   ========================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

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

/* Interactive Canvas Background */
#canvas-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
  background: var(--bg-primary);
  transition: background var(--transition-normal);
}

/* Scrollbar Styles */
html {
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
  scrollbar-width: thin;
}

@supports not (scrollbar-color: auto) {
  ::-webkit-scrollbar {
    width: 10px;
    height: 10px;
  }
  ::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
  }
  ::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 5px;
    border: 2px solid var(--scrollbar-track);
  }
  ::-webkit-scrollbar-thumb:hover {
    background: var(--accent-1);
  }
}

/* Standard Section Padding */
section {
  padding: 8rem 2rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  content-visibility: auto;
  contain-intrinsic-block-size: auto 600px;
}

/* Section Header Typography */
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 3.5rem;
  position: relative;
  display: inline-block;
  color: var(--text-primary);
}

.section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 50%;
  height: 4px;
  background: linear-gradient(90deg var(--in-oklch), var(--accent-1), var(--accent-2));
  border-radius: 2px;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

/* ==========================================
   3. STICKY HEADER & THEME TOGGLE
   ========================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  transition: padding var(--transition-normal), background-color var(--transition-normal), border-bottom var(--transition-normal);
  padding: 1.5rem 2rem;
  border-bottom: 1px solid transparent;
}

.header.shrunk {
  padding: 0.8rem 2rem;
  background-color: var(--glass-bg);
  backdrop-filter: blur(12px) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg var(--in-oklch), var(--accent-1), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-3);
  display: inline-block;
}

.nav-menu {
  display: flex;
  gap: 2.5rem;
  align-items: center;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg var(--in-oklch), var(--accent-1), var(--accent-2));
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

/* Theme Toggle Button Style */
.theme-toggle-btn {
  background: none;
  border: 1px solid var(--border-color);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  background-color: var(--glass-bg);
  backdrop-filter: blur(4px);
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-elastic);
  position: relative;
  overflow: hidden;
}

.theme-toggle-btn:hover {
  border-color: var(--accent-1);
  transform: scale(1.08);
}

.theme-toggle-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
  transition: transform var(--transition-slow) cubic-bezier(0.34, 1.56, 0.64, 1), opacity var(--transition-fast);
}

.sun-icon {
  position: absolute;
  transform: rotate(90deg) scale(0);
  opacity: 0;
}

.moon-icon {
  transform: rotate(0) scale(1);
  opacity: 1;
}

/* Active Class overrides for Icons */
html[data-theme="dark"] .sun-icon {
  transform: rotate(0) scale(1);
  opacity: 1;
}

html[data-theme="dark"] .moon-icon {
  transform: rotate(-90deg) scale(0);
  opacity: 0;
}

/* Hamburger Menu Icon */
.menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-primary);
  width: 30px;
  height: 30px;
  position: relative;
  z-index: 101;
}

.menu-btn-burger {
  width: 22px;
  height: 2px;
  background-color: currentColor;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: transform var(--transition-normal), background-color var(--transition-normal);
}

.menu-btn-burger::before,
.menu-btn-burger::after {
  content: '';
  width: 22px;
  height: 2px;
  background-color: currentColor;
  position: absolute;
  left: 0;
  transition: transform var(--transition-normal);
}

.menu-btn-burger::before {
  transform: translateY(-6px);
}

.menu-btn-burger::after {
  transform: translateY(6px);
}

/* Menu Toggle Animation */
.menu-btn.open .menu-btn-burger {
  background-color: transparent;
}
.menu-btn.open .menu-btn-burger::before {
  transform: rotate(45deg);
}
.menu-btn.open .menu-btn-burger::after {
  transform: rotate(-45deg);
}

/* ==========================================
   4. HERO SECTION (DYNAMIC LANDING)
   ========================================== */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 0 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 900px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-subtitle {
  font-size: clamp(0.9rem, 2vw, 1.2rem);
  font-weight: 600;
  color: var(--accent-1);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6.5vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 2rem;
  color: var(--text-primary);
}

.gradient-text {
  background: linear-gradient(135deg var(--in-oklch), var(--accent-1), var(--accent-2), var(--accent-3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 650px;
  margin-bottom: 3.5rem;
  font-weight: 400;
}

.hero-cta {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* Glassmorphism Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem 2.2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  transition: transform var(--transition-elastic), background-color var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  border: 1px solid transparent;
  position: relative;
}

.btn:active {
  transform: scale(0.96);
}

.btn-primary {
  background: linear-gradient(135deg var(--in-oklch), var(--accent-1), var(--accent-2));
  color: white;
  box-shadow: 0 10px 25px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 30px var(--accent-glow);
}

.btn-secondary {
  background-color: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background-color: var(--bg-secondary);
  border-color: var(--accent-1);
  transform: translateY(-4px);
}

/* Scroll Down Affordance */
.scroll-down {
  position: absolute;
  bottom: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
}

.scroll-down:hover {
  color: var(--text-primary);
}

.scroll-indicator {
  width: 24px;
  height: 40px;
  border: 2px solid currentColor;
  border-radius: 12px;
  position: relative;
}

.scroll-indicator::after {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  width: 4px;
  height: 8px;
  background-color: currentColor;
  border-radius: 2px;
  transform: translateX(-50%);
  animation: scrollAnim 1.8s infinite ease-in-out;
}

@keyframes scrollAnim {
  0% { transform: translate(-50%, 0); opacity: 1; }
  50% { transform: translate(-50%, 14px); opacity: 0.2; }
  100% { transform: translate(-50%, 0); opacity: 1; }
}

/* ==========================================
   5. ABOUT ME SECTION (BIO & SKILLS)
   ========================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.about-info p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  font-weight: 300;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 1.5rem;
}

.highlight-card {
  background-color: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 1.8rem;
  backdrop-filter: blur(8px);
  text-align: left;
  transition: transform var(--transition-normal), border-color var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.highlight-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-1);
}

.highlight-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  background: linear-gradient(135deg var(--in-oklch), var(--accent-1), var(--accent-3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.4rem;
}

.highlight-label {
  font-size: 0.9rem;
  color: var(--text-primary);
  font-weight: 600;
}

.skills-wrapper {
  background-color: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 2.5rem;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
}

.skills-category {
  margin-bottom: 2rem;
}

.skills-category:last-child {
  margin-bottom: 0;
}

.skills-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 1.2rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.skill-tag {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.skill-tag:hover {
  border-color: var(--accent-1);
  color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--accent-glow);
}

/* Icon colors in tags */
.skill-tag svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* ==========================================
   6. EXPERIENCE SECTION (TIMELINE)
   ========================================== */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding-left: 2.5rem;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 8px;
  width: 2px;
  height: 100%;
  background: linear-gradient(to bottom var(--in-oklch), var(--accent-1), var(--accent-2), var(--accent-3));
  border-radius: 1px;
}

.timeline-item {
  position: relative;
  margin-bottom: 4rem;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  top: 6px;
  left: -2.5rem;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: var(--bg-primary);
  border: 3.5px solid var(--accent-1);
  transition: transform var(--transition-normal), border-color var(--transition-normal);
  z-index: 2;
}

.timeline-item:hover .timeline-dot {
  transform: scale(1.3);
  border-color: var(--accent-2);
}

.timeline-content {
  background-color: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2rem;
  backdrop-filter: blur(8px);
  transition: transform var(--transition-normal), border-color var(--transition-fast), box-shadow var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.timeline-content:hover {
  transform: translateX(10px);
  border-color: var(--accent-1);
  box-shadow: var(--shadow-md);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.timeline-role {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
}

.timeline-company {
  font-size: 1rem;
  color: var(--accent-1);
  font-weight: 600;
  margin-top: 0.2rem;
}

.timeline-date {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  background-color: var(--bg-secondary);
  padding: 0.4rem 1rem;
  border-radius: 30px;
  border: 1px solid var(--border-color);
}

.timeline-body {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.timeline-body ul {
  list-style-type: none;
}

.timeline-body li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.6rem;
}

.timeline-body li::before {
  content: "•";
  color: var(--accent-2);
  font-weight: bold;
  display: inline-block;
  width: 1em;
  margin-left: -1em;
  position: absolute;
}

/* ==========================================
   7. PROJECTS SECTION (GALLERY)
   ========================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 2.5rem;
}

.project-card {
  background-color: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  overflow: hidden;
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform var(--transition-normal), border-color var(--transition-fast), box-shadow var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-1);
  box-shadow: var(--shadow-md);
}

.project-image-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.project-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-image {
  transform: scale(1.06);
}

/* Overlay gradient for images */
.project-image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, transparent 40%, rgba(0,0,0,0.65));
  pointer-events: none;
}

.project-info {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
  color: var(--text-primary);
}

.project-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  flex-grow: 1;
  font-weight: 300;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.project-tag {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.project-links {
  display: flex;
  gap: 1.2rem;
  align-items: center;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.project-link:hover {
  color: var(--accent-1);
}

.project-link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* ==========================================
   8. CONTACT SECTION (GLASS FORM)
   ========================================== */
.contact-container {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 4rem;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-text {
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-weight: 300;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-detail-item {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.contact-icon-wrapper {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background-color: var(--glass-bg);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-1);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-elastic);
}

.contact-detail-item:hover .contact-icon-wrapper {
  transform: scale(1.1);
  color: var(--accent-2);
}

.contact-icon-wrapper svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.contact-detail-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.contact-detail-value {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 0.1rem;
}

.social-links {
  display: flex;
  gap: 1.2rem;
  margin-top: 1rem;
}

.social-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--glass-bg);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: transform var(--transition-elastic), border-color var(--transition-fast), color var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.social-btn:hover {
  transform: translateY(-4px);
  border-color: var(--accent-1);
  color: var(--accent-1);
}

.social-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* Glassmorphic Contact Form */
.contact-form-wrapper {
  background-color: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 3rem;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
  position: relative;
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.form-group-full {
  grid-column: span 2;
}

.form-group {
  position: relative;
  display: flex;
  flex-direction: column;
}

/* Floating Label & Custom Styling */
.form-input {
  width: 100%;
  padding: 1rem 0;
  font-family: var(--font-body);
  font-size: 1rem;
  background: transparent;
  border: none;
  border-bottom: 2px solid var(--border-color);
  color: var(--text-primary);
  transition: border-color var(--transition-normal);
  outline: none;
}

.form-label {
  position: absolute;
  left: 0;
  top: 1rem;
  font-size: 1rem;
  color: var(--text-secondary);
  pointer-events: none;
  transition: transform var(--transition-normal), font-size var(--transition-normal), color var(--transition-normal);
  transform-origin: left top;
}

/* Floated label when focused or contains text */
.form-input:focus ~ .form-label,
.form-input:not(:placeholder-shown) ~ .form-label {
  transform: translateY(-1.5rem) scale(0.85);
  color: var(--accent-1);
}

.form-input:focus {
  border-bottom-color: var(--accent-1);
}

/* Custom indicator on validity */
.form-input:user-valid {
  border-bottom-color: var(--accent-2);
}

.form-input:user-invalid {
  border-bottom-color: var(--accent-3);
}

.form-error {
  font-size: 0.75rem;
  color: var(--accent-3);
  margin-top: 0.4rem;
  opacity: 0;
  transform: translateY(-5px);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.form-input:user-invalid ~ .form-error {
  opacity: 1;
  transform: translateY(0);
}

textarea.form-input {
  min-height: 120px;
  resize: vertical;
}

.form-btn-wrapper {
  grid-column: span 2;
  margin-top: 1rem;
  display: flex;
  justify-content: flex-end;
}

.form-submit-btn {
  border: none;
  width: 100%;
  justify-content: center;
}

/* Form Status Message Overlay */
.form-status {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 24px;
  background-color: var(--glass-bg);
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
  z-index: 10;
}

.form-status.active {
  opacity: 1;
  pointer-events: auto;
}

.form-status-icon {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: linear-gradient(135deg var(--in-oklch), var(--accent-1), var(--accent-2));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  box-shadow: 0 10px 25px var(--accent-glow);
}

.form-status-icon svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

.form-status-title {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 0.8rem;
  color: var(--text-primary);
}

.form-status-desc {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 350px;
}

/* ==========================================
   9. FOOTER
   ========================================== */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 3rem 2rem;
  background-color: var(--glass-bg);
  backdrop-filter: blur(4px);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-copy {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.back-to-top-btn {
  background-color: var(--glass-bg);
  border: 1px solid var(--glass-border);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.back-to-top-btn:hover {
  transform: translateY(-4px);
  border-color: var(--accent-1);
  color: var(--accent-1);
  box-shadow: 0 4px 12px var(--accent-glow);
}

.back-to-top-btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* ==========================================
   10. SCROLL REVEAL ANIMATIONS (INTERSECTION OBSERVER)
   ========================================== */
.reveal {
  opacity: 0;
  transform: translateY(35px) scale(0.98);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.reveal-delay-1 { transition-delay: 0.15s; }
.reveal-delay-2 { transition-delay: 0.3s; }
.reveal-delay-3 { transition-delay: 0.45s; }

/* ==========================================
   11. RESPONSIVE MEDIA QUERIES
   ========================================== */
@media (max-width: 968px) {
  section {
    padding: 6rem 1.5rem 3rem;
  }

  .about-grid,
  .contact-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

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

  .timeline {
    padding-left: 2rem;
  }
}

@media (max-width: 768px) {
  /* Header Responsive Menu */
  .menu-btn {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--bg-primary);
    border-left: 1px solid var(--border-color);
    flex-direction: column;
    justify-content: center;
    gap: 3rem;
    padding: 2rem;
    transition: right var(--transition-normal) cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-lg);
  }

  .nav-menu.open {
    right: 0;
  }

  .nav-link {
    font-size: 1.25rem;
  }

  .projects-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

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

  .form-group-full {
    grid-column: span 1;
  }

  .form-btn-wrapper {
    grid-column: span 1;
  }

  .footer-container {
    flex-direction: column;
    text-align: center;
  }
}