/*
  Harshit Tinker — Premium Portfolio
  Design: Bento-style, glassmorphism, animated mesh gradients
  Built: 2026
*/

/* ============================================
   DESIGN TOKENS
   ============================================ */
:root {
  /* Colors */
  --bg-void: #050505;
  --bg-primary: #0a0a0b;
  --bg-elevated: #111113;
  --bg-card: rgba(17, 17, 19, 0.7);
  --bg-card-solid: #131315;
  
  /* Accent Colors */
  --accent-cyan: #00f5d4;
  --accent-magenta: #f72585;
  --accent-violet: #7b2cbf;
  --accent-gold: #fbbf24;
  --accent-blue: #3b82f6;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--accent-cyan), var(--accent-magenta));
  --gradient-secondary: linear-gradient(135deg, var(--accent-violet), var(--accent-cyan));
  --gradient-warm: linear-gradient(135deg, var(--accent-gold), var(--accent-magenta));
  
  /* Text */
  --text-primary: #fafafa;
  --text-secondary: #e4e4e7;
  --text-muted: #71717a;
  --text-subtle: #52525b;
  
  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-light: rgba(255, 255, 255, 0.1);
  --border-accent: rgba(0, 245, 212, 0.3);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.6);
  --shadow-glow-cyan: 0 0 60px rgba(0, 245, 212, 0.15);
  --shadow-glow-magenta: 0 0 60px rgba(247, 37, 133, 0.15);
  
  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Space Grotesk', var(--font-sans);
  
  /* Sizing */
  --container-max: 1400px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  
  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ============================================
   LOADING SCREEN
   ============================================ */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.loaded {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
}

.loader-logo {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(0.98); }
}

.loader-bar {
  width: 200px;
  height: 3px;
  background: var(--border-subtle);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.loader-progress {
  height: 100%;
  width: 0%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  animation: load 1.5s ease-out forwards;
}

@keyframes load {
  0% { width: 0%; }
  50% { width: 70%; }
  100% { width: 100%; }
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
  min-height: 100vh;
}

img, video, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* Selection */
::selection {
  background: var(--accent-cyan);
  color: var(--bg-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ============================================
   ANIMATED BACKGROUND
   ============================================ */
.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.bg-mesh::before {
  content: '';
  position: absolute;
  inset: -50%;
  background: 
    radial-gradient(ellipse 80% 50% at 20% 40%, rgba(0, 245, 212, 0.08), transparent 50%),
    radial-gradient(ellipse 60% 60% at 80% 20%, rgba(247, 37, 133, 0.06), transparent 50%),
    radial-gradient(ellipse 50% 80% at 60% 80%, rgba(123, 44, 191, 0.05), transparent 50%);
  animation: meshMove 20s ease-in-out infinite alternate;
}

@keyframes meshMove {
  0% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(-5%, 3%) rotate(3deg); }
  100% { transform: translate(3%, -2%) rotate(-2deg); }
}

/* Grain overlay */
.grain {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-md);
  }
}

.section {
  position: relative;
  padding: var(--space-4xl) 0;
  z-index: 10;
}

@media (max-width: 768px) {
  .section {
    padding: var(--space-3xl) 0;
  }
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.heading-xl {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
}

.heading-lg {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 600;
}

.heading-md {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.heading-sm {
  font-size: 1.25rem;
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.text-muted {
  color: var(--text-muted);
}

.text-balance {
  text-wrap: balance;
}

.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-cyan);
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-md) 0;
  transition: all var(--duration-normal) var(--ease-out);
}

.nav.scrolled {
  background: rgba(10, 10, 11, 0.8);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  transition: opacity var(--duration-fast);
}

.nav-brand:hover {
  opacity: 0.8;
}

.nav-links {
  display: flex;
  gap: var(--space-xl);
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--duration-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--duration-normal) var(--ease-out);
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--bg-primary);
  background: var(--accent-cyan);
  border-radius: var(--radius-full);
  transition: all var(--duration-fast);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-cyan);
}

/* Mobile Nav */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  z-index: 101;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--duration-fast);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  
  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: 280px;
    flex-direction: column;
    gap: var(--space-lg);
    padding: var(--space-4xl) var(--space-xl);
    background: rgba(17, 17, 19, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid var(--border-subtle);
    transform: translateX(100%);
    transition: transform var(--duration-normal) var(--ease-out);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
  }
  
  .nav-links.open {
    transform: translateX(0);
  }
  
  .nav-link {
    font-size: 1.25rem;
  }
  
  .nav-cta {
    margin-top: var(--space-lg);
    justify-content: center;
  }
  
  /* Mobile menu close area hint */
  .nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  position: relative;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 10;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-3xl);
  align-items: center;
}

.hero-text {
  max-width: 700px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  margin-bottom: var(--space-lg);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-cyan);
  background: rgba(0, 245, 212, 0.1);
  border: 1px solid rgba(0, 245, 212, 0.2);
  border-radius: var(--radius-full);
  animation: badgeGlow 3s ease-in-out infinite;
}

@keyframes badgeGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 245, 212, 0); }
  50% { box-shadow: 0 0 20px 2px rgba(0, 245, 212, 0.3); }
}

.hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
  box-shadow: 0 0 10px var(--accent-cyan);
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  margin-bottom: var(--space-lg);
}

.hero-title .line {
  display: block;
  overflow: hidden;
}

.hero-title .word {
  display: inline-block;
  transform: translateY(100%);
  opacity: 0;
  animation: revealUp 0.8s var(--ease-out) forwards;
}

.hero-title .word:nth-child(1) { animation-delay: 0.1s; }
.hero-title .word:nth-child(2) { animation-delay: 0.2s; }
.hero-title .word:nth-child(3) { animation-delay: 0.3s; }

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

.hero-description {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: var(--space-xl);
  max-width: 540px;
}

.hero-ctas {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-portrait {
  position: relative;
  width: 100%;
  max-width: 380px;
}

.hero-portrait img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
}

.hero-portrait::before {
  content: '';
  position: absolute;
  inset: -20px;
  background: var(--gradient-primary);
  border-radius: calc(var(--radius-xl) + 20px);
  opacity: 0.15;
  filter: blur(40px);
  z-index: -1;
  animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.15; transform: scale(1); }
  50% { opacity: 0.25; transform: scale(1.05); }
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  animation: float 6s ease-in-out infinite;
}

.hero-orb--cyan {
  width: 200px;
  height: 200px;
  background: var(--accent-cyan);
  opacity: 0.15;
  top: -50px;
  right: -50px;
}

.hero-orb--magenta {
  width: 150px;
  height: 150px;
  background: var(--accent-magenta);
  opacity: 0.12;
  bottom: -30px;
  left: -30px;
  animation-delay: -2s;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

/* ============================================
   TECH STACK MARQUEE
   ============================================ */
.marquee-section {
  position: relative;
  z-index: 10;
  padding: var(--space-2xl) 0;
  overflow: hidden;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(0, 0, 0, 0.3);
}

.marquee {
  display: flex;
  width: max-content;
  animation: marquee 30s linear infinite;
}

.marquee:hover {
  animation-play-state: paused;
}

.marquee-content {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding-right: var(--space-lg);
}

.marquee-item {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
  transition: color var(--duration-fast);
}

.marquee-item:hover {
  color: var(--accent-cyan);
}

.marquee-divider {
  color: var(--accent-cyan);
  opacity: 0.5;
  font-size: 0.875rem;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .marquee {
    animation: none;
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
    gap: var(--space-md);
    padding: 0 var(--space-lg);
  }
  
  .marquee-content:last-child {
    display: none;
  }
}

/* Hero Skills */
.hero-skills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

.skill-tag {
  padding: var(--space-xs) var(--space-md);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  transition: all var(--duration-normal) var(--ease-out);
  cursor: default;
}

.skill-tag:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 245, 212, 0.2);
}

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-2xl);
  }
  
  .hero-visual {
    order: -1;
  }
  
  .hero-portrait {
    max-width: 280px;
    margin: 0 auto;
  }
  
  .hero-text {
    max-width: 600px;
    margin: 0 auto;
  }
  
  .hero-description {
    margin: 0 auto var(--space-xl);
  }
  
  .hero-ctas {
    justify-content: center;
  }
  
  .hero-skills {
    justify-content: center;
  }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
  opacity: 0;
  transition: opacity var(--duration-fast);
}

.btn:hover::before {
  opacity: 1;
}

.btn-primary {
  color: var(--bg-primary);
  background: var(--gradient-primary);
  box-shadow: 0 4px 20px rgba(0, 245, 212, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 245, 212, 0.4);
}

.btn-secondary {
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  border-color: var(--accent-cyan);
  background: rgba(0, 245, 212, 0.05);
}

.btn-ghost {
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border-light);
}

.btn-ghost:hover {
  color: var(--text-primary);
  border-color: var(--text-muted);
}

.btn-sm {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
}

/* ============================================
   WORK SECTION - BENTO GRID
   ============================================ */
.work {
  background: linear-gradient(180deg, transparent 0%, var(--bg-void) 100%);
}

.section-header {
  margin-bottom: var(--space-3xl);
}

.section-title {
  margin-bottom: var(--space-md);
}

.section-description {
  color: var(--text-muted);
  font-size: 1.125rem;
  max-width: 600px;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-md);
}

.bento-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  transform-style: preserve-3d;
  will-change: transform;
}

.bento-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 245, 212, 0.03), rgba(247, 37, 133, 0.03));
  opacity: 0;
  transition: opacity var(--duration-normal);
  pointer-events: none;
}

.bento-card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-lg), var(--shadow-glow-cyan);
}

.bento-card:hover::before {
  opacity: 1;
}

/* Bento Card Sizes */
.bento-card--large {
  grid-column: span 8;
  grid-row: span 2;
}

.bento-card--medium {
  grid-column: span 4;
}

.bento-card--wide {
  grid-column: span 6;
}

@media (max-width: 1024px) {
  .bento-card--large {
    grid-column: span 12;
  }
  
  .bento-card--medium,
  .bento-card--wide {
    grid-column: span 6;
  }
}

@media (max-width: 640px) {
  .bento-card--medium,
  .bento-card--wide {
    grid-column: span 12;
  }
}

/* Project Card */
.project-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

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

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

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

.project-content {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.project-tag {
  padding: 2px 10px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-cyan);
  background: rgba(0, 245, 212, 0.1);
  border-radius: var(--radius-full);
}

.project-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.project-description {
  color: var(--text-muted);
  font-size: 0.9375rem;
  margin-bottom: var(--space-md);
  flex: 1;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-cyan);
  transition: all var(--duration-normal) var(--ease-out);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  background: rgba(0, 245, 212, 0.1);
}

.project-link:hover {
  gap: var(--space-md);
  background: rgba(0, 245, 212, 0.2);
  transform: translateY(-2px);
}

.project-link--secondary {
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.05);
}

.project-link--secondary:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.1);
}

.project-link svg {
  width: 16px;
  height: 16px;
}

.project-links {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* Featured Badge */
.project-featured-badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--bg-primary);
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
}

/* Device Mockup Showcase */
.project-image--showcase {
  aspect-ratio: auto;
  padding: var(--space-xl);
  background: linear-gradient(135deg, rgba(0, 245, 212, 0.05), rgba(247, 37, 133, 0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 350px;
}

.device-mockup {
  position: relative;
  width: 100%;
  max-width: 500px;
}

.mockup-desktop {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  transition: transform var(--duration-slow) var(--ease-out);
}

.mockup-phone {
  position: absolute;
  bottom: -20px;
  right: -30px;
  width: 100px;
  background: #1a1a1a;
  border-radius: 16px;
  padding: 6px;
  box-shadow: var(--shadow-xl), 0 0 40px rgba(0, 245, 212, 0.2);
  transition: transform var(--duration-slow) var(--ease-out);
}

.mockup-phone img {
  width: 100%;
  border-radius: 12px;
}

.bento-card:hover .mockup-desktop {
  transform: scale(1.02) rotate(-1deg);
}

.bento-card:hover .mockup-phone {
  transform: translateY(-10px) rotate(3deg) scale(1.05);
}

@media (max-width: 768px) {
  .mockup-phone {
    width: 80px;
    right: -15px;
    bottom: -15px;
  }
  
  .project-image--showcase {
    padding: var(--space-lg);
    min-height: 280px;
  }
}

/* Featured Project (Large Card) */
.bento-card--large .project-card {
  flex-direction: row;
}

.bento-card--large .project-image {
  flex: 1.2;
  aspect-ratio: auto;
}

.bento-card--large .project-content {
  flex: 0.8;
  padding: var(--space-xl);
  justify-content: center;
}

.bento-card--large .project-title {
  font-size: 1.75rem;
}

@media (max-width: 768px) {
  .bento-card--large .project-card {
    flex-direction: column;
  }
  
  .bento-card--large .project-image {
    aspect-ratio: 16/10;
  }
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

@media (max-width: 960px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

.service-card {
  padding: var(--space-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-normal) var(--ease-out);
}

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

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  background: rgba(0, 245, 212, 0.1);
  border-radius: var(--radius-md);
  color: var(--accent-cyan);
  transition: all var(--duration-normal);
}

.service-card:hover .service-icon {
  background: var(--accent-cyan);
  color: var(--bg-primary);
  transform: rotate(-5deg) scale(1.1);
}

.service-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.service-description {
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ============================================
   PROCESS SECTION
   ============================================ */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  position: relative;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 50px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, 
    var(--accent-cyan) 0%, 
    var(--accent-magenta) 50%, 
    var(--accent-violet) 100%);
  opacity: 0.3;
}

@media (max-width: 960px) {
  .process-timeline {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
  }
  
  .process-timeline::before {
    display: none;
  }
}

@media (max-width: 640px) {
  .process-timeline {
    grid-template-columns: 1fr;
  }
}

.process-step {
  text-align: center;
  position: relative;
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--duration-normal) var(--ease-out);
}

.process-step:hover {
  transform: translateY(-8px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-lg), var(--shadow-glow-cyan);
}

.process-step-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: var(--space-md);
  line-height: 1;
}

.process-step-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.process-step-description {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-3xl);
  align-items: start;
}

@media (max-width: 960px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
}

.about-content p {
  color: var(--text-muted);
  font-size: 1.0625rem;
  margin-bottom: var(--space-lg);
}

.about-content p:first-of-type {
  font-size: 1.25rem;
  color: var(--text-secondary);
}

.about-list {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.about-list-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.about-list-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 245, 212, 0.1);
  border-radius: var(--radius-sm);
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.about-list-text strong {
  display: block;
  color: var(--text-primary);
}

.about-list-text span {
  color: var(--text-muted);
  font-size: 0.9375rem;
}

/* About Sidebar */
.about-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.status-card {
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

.status-card h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.status-card p {
  color: var(--text-primary);
  font-weight: 500;
}

.tech-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.tech-chip {
  padding: var(--space-xs) var(--space-md);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  transition: all var(--duration-fast);
}

.tech-chip:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(0, 245, 212, 0.05);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
  background: linear-gradient(180deg, var(--bg-void) 0%, var(--bg-primary) 100%);
}

.contact-wrapper {
  position: relative;
  padding: var(--space-4xl);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.contact-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-primary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-3xl);
  align-items: start;
}

@media (max-width: 960px) {
  .contact-wrapper {
    padding: var(--space-xl);
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    text-align: center;
  }
  
  .contact-info {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .contact-methods {
    width: 100%;
    max-width: 400px;
  }
  
  .contact-method {
    text-align: left;
  }
}

@media (max-width: 480px) {
  .contact-wrapper {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
  }
  
  .contact-method {
    padding: var(--space-sm);
    gap: var(--space-sm);
  }
  
  .contact-method-icon {
    width: 40px;
    height: 40px;
  }
  
  .contact-method-value {
    font-size: 0.875rem;
    word-break: break-all;
  }
}

.contact-info h2 {
  margin-bottom: var(--space-md);
}

.contact-info > p {
  color: var(--text-muted);
  font-size: 1.0625rem;
  margin-bottom: var(--space-xl);
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-method {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-md);
  transition: all var(--duration-fast);
}

.contact-method:hover {
  background: rgba(0, 245, 212, 0.05);
  transform: translateX(8px);
}

.contact-method-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 245, 212, 0.1);
  border-radius: var(--radius-sm);
  color: var(--accent-cyan);
  flex-shrink: 0;
}

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

.contact-method-value {
  font-weight: 500;
  color: var(--text-primary);
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--duration-fast);
  outline: none;
}

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

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-cyan);
  background: rgba(0, 245, 212, 0.03);
  box-shadow: 0 0 0 4px rgba(0, 245, 212, 0.1);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-submit {
  padding-top: var(--space-sm);
}

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

/* Form Status */
.form-status {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  text-align: center;
}

.form-status.success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #10b981;
}

.form-status.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: var(--space-3xl) 0 var(--space-xl);
  border-top: 1px solid var(--border-subtle);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
}

.footer-links {
  display: flex;
  gap: var(--space-xl);
}

.footer-link {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color var(--duration-fast);
}

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

.footer-socials {
  display: flex;
  gap: var(--space-md);
}

.footer-social {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  transition: all var(--duration-normal) var(--ease-out);
}

.footer-social:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 245, 212, 0.2);
}

/* Email link hover animation */
.email-link {
  cursor: pointer;
}

.email-link .email-text {
  transition: all var(--duration-normal) var(--ease-out);
}

.contact-method.email-link:hover .email-text {
  color: var(--accent-cyan);
}

.footer-bottom {
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-copyright {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-tagline {
  font-size: 0.8125rem;
  color: var(--text-subtle);
  font-style: italic;
}

@media (max-width: 768px) {
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ============================================
   REVEAL ANIMATIONS
   ============================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal="fade"] {
  transform: none;
}

[data-reveal="left"] {
  transform: translateX(-30px);
}

[data-reveal="right"] {
  transform: translateX(30px);
}

[data-reveal="scale"] {
  transform: scale(0.95);
}

/* Stagger children */
[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

[data-reveal-stagger].revealed > *:nth-child(1) { transition-delay: 0s; }
[data-reveal-stagger].revealed > *:nth-child(2) { transition-delay: 0.1s; }
[data-reveal-stagger].revealed > *:nth-child(3) { transition-delay: 0.2s; }
[data-reveal-stagger].revealed > *:nth-child(4) { transition-delay: 0.3s; }
[data-reveal-stagger].revealed > *:nth-child(5) { transition-delay: 0.4s; }
[data-reveal-stagger].revealed > *:nth-child(6) { transition-delay: 0.5s; }

[data-reveal-stagger].revealed > * {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 999;
  padding: var(--space-md) var(--space-lg);
  background: var(--accent-cyan);
  color: var(--bg-primary);
  font-weight: 600;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  left: var(--space-md);
  top: var(--space-md);
}

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 3px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}

/* ============================================
   UTILITIES
   ============================================ */
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
/* ============================================
   BACK TO TOP BUTTON
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 90;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--duration-normal) var(--ease-out);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  cursor: pointer;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--gradient-primary);
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow-cyan);
}

.back-to-top.visible:hover {
  transform: translateY(-3px);
}

.back-to-top:active {
  transform: scale(0.95);
}

@media (max-width: 768px) {
  .back-to-top {
    bottom: var(--space-lg);
    right: var(--space-lg);
    width: 44px;
    height: 44px;
  }
}

/* ============================================
   TYPING ANIMATION / HERO ROLES
   ============================================ */
.hero-roles {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--text-secondary);
}

.hero-role-prefix {
  color: var(--text-muted);
}

.hero-role-text {
  color: var(--accent-cyan);
  font-weight: 600;
  min-width: 200px;
}

.hero-role-cursor {
  color: var(--accent-cyan);
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

@media (max-width: 640px) {
  .hero-role-text {
    min-width: 120px;
  }
}

/* ============================================
   ENHANCED PROJECT CARD HOVER
   ============================================ */
.project-card {
  position: relative;
  transition: transform var(--duration-normal) var(--ease-out);
}

.bento-card:hover .project-card {
  transform: translateY(-5px);
}

.project-image {
  overflow: hidden;
  border-radius: var(--radius-md);
}

.project-image img {
  transition: transform var(--duration-slow) var(--ease-out);
}

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

.project-link {
  position: relative;
  overflow: hidden;
}

.project-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--accent-cyan);
  transform: translateX(-100%);
  transition: transform var(--duration-normal) var(--ease-out);
}

.project-link:hover::after {
  transform: translateX(0);
}