/* ═══════════════════════════════════════════════════════════════════════════
   TAFI Solutions — Premium Software Studio
   Design: Editorial Luxury meets Tech Precision
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─── Fonts ─── */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;1,400;1,500&family=Manrope:wght@300;400;500;600;700&display=swap');

/* ─── Design Tokens ─── */
:root {
  /* Light Mode (Default) */
  --color-bg: #ffffff;
  --color-bg-elevated: #f8f9fa;
  --color-bg-card: #ffffff;
  --color-bg-hover: #f1f3f4;

  --color-text: #1a1a1b;
  --color-text-secondary: #5f6368;
  --color-text-tertiary: #9aa0a6;

  --color-accent: #e85d04;
  --color-accent-soft: rgba(232, 93, 4, 0.1);
  --color-accent-glow: rgba(232, 93, 4, 0.3);

  --color-teal: #0d9488;
  --color-teal-soft: rgba(13, 148, 136, 0.1);

  --color-border: rgba(0, 0, 0, 0.08);
  --color-border-hover: rgba(0, 0, 0, 0.15);

  /* Typography */
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;

  /* 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;
  --space-5xl: 128px;

  /* Layout */
  --max-width: 1400px;
  --padding-x: clamp(20px, 5vw, 80px);

  /* Animation */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quint: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

  /* Transitions */
  --transition-fast: 150ms var(--ease-out-expo);
  --transition-base: 300ms var(--ease-out-expo);
  --transition-slow: 500ms var(--ease-out-expo);
  --transition-slower: 800ms var(--ease-out-quint);
}

/* Dark Mode */
[data-theme="dark"] {
  --color-bg: #0a0a0b;
  --color-bg-elevated: #111113;
  --color-bg-card: #151517;
  --color-bg-hover: #1a1a1d;

  --color-text: #f4f4f5;
  --color-text-secondary: #a1a1a6;
  --color-text-tertiary: #636366;

  --color-accent: #e85d04;
  --color-accent-soft: rgba(232, 93, 4, 0.15);
  --color-accent-glow: rgba(232, 93, 4, 0.4);

  --color-teal: #2dd4bf;
  --color-teal-soft: rgba(45, 212, 191, 0.15);

  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-hover: rgba(255, 255, 255, 0.15);
}

/* ─── Reset & Base ─── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

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

img {
  max-width: 100%;
  display: block;
}

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

ul {
  list-style: none;
}

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

/* Scroll margin for anchors */
[id] {
  scroll-margin-top: 120px;
}

/* ═══════════════════════════════════════════════════════════════════════════
   GRAIN TEXTURE OVERLAY
   ═══════════════════════════════════════════════════════════════════════════ */
.grain {
  position: fixed;
  inset: 0;
  z-index: 9999;
  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");
}

/* ═══════════════════════════════════════════════════════════════════════════
   TEXT GLOW EFFECTS
   ═══════════════════════════════════════════════════════════════════════════ */
.title-accent {
  text-shadow: 0 0 40px var(--color-accent-glow);
}

.section-title em {
  text-shadow: 0 0 30px rgba(45, 212, 191, 0.3);
}

.contact-title em {
  text-shadow: 0 0 40px var(--color-accent-glow);
}

/* ═══════════════════════════════════════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--padding-x);
  transition: background var(--transition-base), backdrop-filter var(--transition-base);
}

.nav.scrolled {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}

[data-theme="dark"] .nav.scrolled {
  background: rgba(10, 10, 11, 0.85);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  z-index: 1001;
}

.logo-text {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.logo-dot {
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

.nav-center {
  display: none;
  align-items: center;
  gap: var(--space-2xl);
}

.nav-link {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.nav-link-text {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

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

.nav-link-line {
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

.nav-link:hover .nav-link-line {
  width: 100%;
}

.nav-cta {
  display: none;
  align-items: center;
  gap: var(--space-sm);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 12px 24px;
  border: 1px solid var(--color-border);
  border-radius: 100px;
  transition: all var(--transition-base);
}

.nav-cta:hover {
  background: var(--color-text);
  color: var(--color-bg);
  border-color: var(--color-text);
}

.nav-cta svg {
  transition: transform var(--transition-base);
}

.nav-cta:hover svg {
  transform: translate(2px, -2px);
}

/* Portal Button */
.nav-portal {
  display: none;
  align-items: center;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 10px 20px;
  background: var(--color-accent);
  color: var(--color-bg);
  border-radius: 100px;
  transition: all var(--transition-base);
}

.nav-portal:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

/* Language Switcher */
.lang-switcher {
  position: relative;
  display: flex;
  align-items: center;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  background: var(--color-bg);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.lang-btn:hover {
  border-color: var(--color-border-hover);
  color: var(--color-text);
}

.lang-btn svg {
  transition: transform var(--transition-fast);
}

.lang-switcher.open .lang-btn svg {
  transform: rotate(180deg);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 140px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 6px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.lang-switcher.open .lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 14px;
  border: none;
  background: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
  white-space: nowrap;
}

.lang-option:hover {
  background: var(--color-bg-hover);
  color: var(--color-text);
}

.lang-option.active {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.lang-option .flag {
  font-size: 18px;
  line-height: 1;
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.theme-toggle:hover {
  border-color: var(--color-border-hover);
  background: var(--color-bg-elevated);
}

.theme-toggle .sun-icon {
  display: none;
}

.theme-toggle .moon-icon {
  display: block;
}

[data-theme="dark"] .theme-toggle .sun-icon {
  display: block;
}

[data-theme="dark"] .theme-toggle .moon-icon {
  display: none;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.menu-toggle {
  position: relative;
  width: 32px;
  height: 24px;
  z-index: 1001;
}

.menu-toggle span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition-base);
}

.menu-toggle span:first-child {
  top: 6px;
}

.menu-toggle span:last-child {
  bottom: 6px;
}

body.menu-open .menu-toggle span:first-child {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

body.menu-open .menu-toggle span:last-child {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
}

@media (min-width: 900px) {
  .nav-center {
    display: flex;
  }

  .nav-cta {
    display: flex;
  }

  .nav-portal {
    display: flex;
  }

  .menu-toggle {
    display: none;
  }
}

@media (max-width: 899px) {
  .nav-cta {
    display: none;
  }

  .nav-right {
    gap: var(--space-md);
  }
}

/* ─── Mobile Menu ─── */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-slow);
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
}

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

.mobile-link {
  font-family: var(--font-display);
  font-size: clamp(40px, 10vw, 64px);
  font-style: italic;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  transform: translateY(20px);
  opacity: 0;
}

.mobile-menu.open .mobile-link {
  transform: translateY(0);
  opacity: 1;
  transition: transform var(--transition-slow), opacity var(--transition-slow), color var(--transition-fast);
}

.mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 100ms; }
.mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 150ms; }
.mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 200ms; }
.mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 250ms; }
.mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 300ms; }

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

.mobile-portal {
  color: var(--color-accent);
}

.mobile-portal:hover {
  color: var(--color-accent-hover);
}

.mobile-menu-footer {
  position: absolute;
  bottom: var(--space-2xl);
  font-size: 14px;
  color: var(--color-text-tertiary);
}

/* ═══════════════════════════════════════════════════════════════════════════
   HERO SECTION
   ═══════════════════════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-5xl) var(--padding-x) var(--space-3xl);
}

.hero-badge {
  position: absolute;
  top: 140px;
  left: var(--padding-x);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  animation: fadeSlideDown 1s var(--ease-out-expo) 0.2s backwards;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.9); }
}

.badge-text {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.hero-content {
  max-width: 1200px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(48px, 11vw, 140px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2xl);
}

.title-line {
  display: block;
  overflow: visible;
  padding-bottom: 0.1em;
}

.title-word {
  display: inline-block;
  animation: slideUp 1.2s var(--ease-out-expo) backwards;
  animation-delay: calc(var(--delay) * 0.08s + 0.3s);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(100%);
  }
}

@keyframes fadeSlideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
}

.title-italic {
  font-style: italic;
}

.title-accent {
  color: var(--color-accent);
}

.hero-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
  animation: fadeIn 1s var(--ease-out-expo) 0.8s backwards;
}

@keyframes fadeIn {
  from { opacity: 0; }
}

.hero-description {
  max-width: 440px;
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.hero-stats {
  display: flex;
  gap: var(--space-2xl);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 500;
  color: var(--color-text);
}

.stat-label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
}

.hero-scroll {
  position: absolute;
  right: var(--padding-x);
  bottom: var(--space-3xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  animation: fadeIn 1s var(--ease-out-expo) 1s backwards;
}

.scroll-text {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  writing-mode: vertical-rl;
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: var(--color-border);
  overflow: hidden;
}

.scroll-progress {
  width: 100%;
  height: 100%;
  background: var(--color-accent);
  transform-origin: top;
  transform: scaleY(0);
}

/* Corner decorations */
.hero-corners {
  position: absolute;
  inset: 100px var(--padding-x) var(--space-3xl);
  pointer-events: none;
}

.corner {
  position: absolute;
  width: 24px;
  height: 24px;
  opacity: 0.2;
}

.corner::before,
.corner::after {
  content: '';
  position: absolute;
  background: var(--color-text);
}

.corner::before {
  width: 100%;
  height: 1px;
}

.corner::after {
  width: 1px;
  height: 100%;
}

.corner-tl { top: 0; left: 0; }
.corner-tl::before { top: 0; left: 0; }
.corner-tl::after { top: 0; left: 0; }

.corner-tr { top: 0; right: 0; }
.corner-tr::before { top: 0; right: 0; }
.corner-tr::after { top: 0; right: 0; }

.corner-bl { bottom: 0; left: 0; }
.corner-bl::before { bottom: 0; left: 0; }
.corner-bl::after { bottom: 0; left: 0; }

.corner-br { bottom: 0; right: 0; }
.corner-br::before { bottom: 0; right: 0; }
.corner-br::after { bottom: 0; right: 0; }

@media (min-width: 768px) {
  .hero-meta {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
  }
}

@media (max-width: 768px) {
  .hero-corners {
    display: none;
  }

  .hero-scroll {
    display: none;
  }
}

/* ═══════════════════════════════════════════════════════════════════════════
   MARQUEE
   ═══════════════════════════════════════════════════════════════════════════ */
.marquee {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
  background: var(--color-bg);
}

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

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-25%); }
}

.marquee-item {
  font-family: var(--font-display);
  font-size: clamp(18px, 3vw, 24px);
  font-style: italic;
  color: var(--color-text-tertiary);
  white-space: nowrap;
  padding: 0 var(--space-xl);
}

.marquee-divider {
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════════════════════
   SECTION HEADERS
   ═══════════════════════════════════════════════════════════════════════════ */
.section-header {
  margin-bottom: var(--space-3xl);
  opacity: 0;
  transform: translateY(30px);
  transition: all var(--transition-slower);
}

.section-header.revealed {
  opacity: 1;
  transform: translateY(0);
}

.section-header--center {
  text-align: center;
}

.section-label {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.section-header--center .section-label {
  justify-content: center;
}

.label-number {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
}

.label-text {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 6vw, 56px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.section-title em {
  font-style: italic;
  color: var(--color-teal);
}

.section-subtitle {
  max-width: 560px;
  margin-top: var(--space-lg);
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.section-header--center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

/* ═══════════════════════════════════════════════════════════════════════════
   WORK SECTION - Elegant List with Category Headers
   ═══════════════════════════════════════════════════════════════════════════ */
.work {
  padding: var(--space-4xl) 0;
}

/* Category Headers */
.work-category-header {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-2xl) var(--padding-x);
  margin-top: var(--space-xl);
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slower), transform var(--transition-slower);
}

.work-category-header.revealed {
  opacity: 1;
  transform: translateY(0);
}

.work-category-header:first-child {
  margin-top: 0;
  border-top: none;
}

.category-line {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, var(--color-border-hover) 0%, transparent 100%);
  border-radius: 1px;
}

.category-label {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  font-style: italic;
  letter-spacing: 0.02em;
  color: var(--color-text);
  white-space: nowrap;
}

.category-count {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}

/* Category Header Variants */
.work-category-header--apps .category-label {
  color: #a78bfa;
}

.work-category-header--apps .category-count {
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 100%);
  border-color: rgba(167, 139, 250, 0.5);
  color: #a78bfa;
}

[data-theme="dark"] .work-category-header--apps .category-label {
  color: #c4b5fd;
}

[data-theme="dark"] .work-category-header--apps .category-count {
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.3) 0%, rgba(118, 75, 162, 0.3) 100%);
  border-color: rgba(167, 139, 250, 0.6);
  color: #c4b5fd;
}

.work-category-header--design .category-label {
  color: var(--color-accent);
}

.work-category-header--design .category-count {
  background: var(--color-accent-soft);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* Work List */
.work-list {
  display: flex;
  flex-direction: column;
}

/* Work Item */
.work-item {
  position: relative;
  display: block;
  border-top: 1px solid var(--color-border);
  overflow: hidden;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slower), transform var(--transition-slower), background var(--transition-base);
}

.work-item.revealed {
  opacity: 1;
  transform: translateY(0);
}

.work-list:last-of-type .work-item:last-child {
  border-bottom: 1px solid var(--color-border);
}

.work-item-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-xl) var(--padding-x);
  transition: all var(--transition-base);
}

.work-item:hover {
  background: var(--color-bg-hover);
}

/* App Item Variant */
.work-item--app:hover {
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
}

/* Bot Item Variant */
.work-item--bot:hover {
  background: rgba(0, 136, 204, 0.05);
}

/* Design Item Variant */
.work-item--design:hover {
  background: var(--color-accent-soft);
}

/* Index Number */
.work-index {
  font-family: var(--font-display);
  font-size: 16px;
  font-style: italic;
  color: var(--color-text-tertiary);
  min-width: 32px;
  transition: color var(--transition-base);
}

.work-item:hover .work-index {
  color: var(--color-accent);
}

.work-item--app:hover .work-index {
  color: #764ba2;
}

[data-theme="dark"] .work-item--app:hover .work-index {
  color: #a78bfa;
}

.work-item--bot:hover .work-index {
  color: #0088cc;
}

[data-theme="dark"] .work-item--bot:hover .work-index {
  color: #38bdf8;
}

/* Project Logo */
.work-logo {
  width: 72px;
  height: 72px;
  border-radius: 12px;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
  transition: all var(--transition-base);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  padding: 8px;
}

.work-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform var(--transition-base);
}

.work-item:hover .work-logo {
  transform: scale(1.05);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

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

/* Methanol Institute - circular icon */
.work-logo--design {
  border-radius: 50%;
  background: transparent;
  box-shadow: none;
  padding: 0;
}

.work-logo--design img {
  width: 115%;
  height: 115%;
  object-fit: cover;
  margin: -7.5%;
}

/* Bot logo styling */
.work-logo--bot {
  border: 2px solid rgba(0, 136, 204, 0.2);
}

/* Info Block */
.work-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.work-name {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 42px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  transition: transform var(--transition-base);
}

.work-item:hover .work-name {
  transform: translateX(8px);
}

.work-type {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  transition: color var(--transition-base);
}

.work-item:hover .work-type {
  color: var(--color-text-secondary);
}

/* Description */
.work-desc {
  display: none;
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  max-width: 300px;
  transition: color var(--transition-base);
}

.work-item:hover .work-desc {
  color: var(--color-text);
}

/* Arrow */
.work-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-text-tertiary);
  transition: all var(--transition-base);
}

.work-item:hover .work-arrow {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #ffffff;
  transform: rotate(-45deg);
}

.work-item--app:hover .work-arrow {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-color: #764ba2;
}

.work-item--bot:hover .work-arrow {
  background: #0088cc;
  border-color: #0088cc;
}

.work-arrow svg {
  transition: transform var(--transition-base);
}

.work-item:hover .work-arrow svg {
  transform: rotate(45deg);
}

/* Responsive */
@media (max-width: 767px) {
  .work-item-inner {
    grid-template-columns: auto 1fr auto;
  }

  .work-logo {
    display: none;
  }

  .work-desc,
  .work-tech {
    display: none;
  }

  .category-line {
    display: none;
  }

  .work-category-header {
    padding: var(--space-xl) var(--padding-x) var(--space-md);
  }
}

@media (min-width: 768px) {
  .work-item-inner {
    grid-template-columns: 48px 80px 1fr 1fr 56px;
    padding: var(--space-xl) var(--padding-x);
    gap: var(--space-xl);
  }

  .work-logo {
    width: 80px;
    height: 80px;
  }

  .work-desc {
    display: block;
  }
}

@media (min-width: 1024px) {
  .work-item-inner {
    padding: var(--space-2xl) var(--padding-x);
    grid-template-columns: 60px 96px 1fr 1fr 56px;
  }

  .work-logo {
    width: 96px;
    height: 96px;
    border-radius: 14px;
  }

  .work-logo--design {
    border-radius: 50%;
  }

  .work-name {
    font-size: clamp(28px, 3vw, 42px);
  }
}

/* Staggered Animation Delays */
.work-item:nth-child(1) { transition-delay: 0ms; }
.work-item:nth-child(2) { transition-delay: 60ms; }
.work-item:nth-child(3) { transition-delay: 120ms; }
.work-item:nth-child(4) { transition-delay: 180ms; }

/* ═══════════════════════════════════════════════════════════════════════════
   SERVICES SECTION
   ═══════════════════════════════════════════════════════════════════════════ */
.services {
  padding: var(--space-5xl) var(--padding-x);
  background: var(--color-bg-elevated);
}

.services-grid {
  display: grid;
  gap: var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.service-card {
  position: relative;
  padding: var(--space-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  transition: all var(--transition-base);
  opacity: 0;
  transform: translateY(40px);
}

.service-card.revealed {
  opacity: 1;
  transform: translateY(0);
}

.service-card:nth-child(1) { transition-delay: 0ms; }
.service-card:nth-child(2) { transition-delay: 100ms; }
.service-card:nth-child(3) { transition-delay: 200ms; }
.service-card:nth-child(4) { transition-delay: 300ms; }

.service-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
}

.service-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: var(--color-accent-soft);
  border-radius: 12px;
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
}

.service-number {
  position: absolute;
  top: var(--space-2xl);
  right: var(--space-2xl);
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 400;
  color: var(--color-border);
  line-height: 1;
}

.service-title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 400;
  margin-bottom: var(--space-md);
}

.service-description {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

.service-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.service-list li {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 8px 14px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.service-card:hover .service-list li {
  border-color: var(--color-border-hover);
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .services-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ═══════════════════════════════════════════════════════════════════════════
   ABOUT SECTION
   ═══════════════════════════════════════════════════════════════════════════ */
.about {
  padding: var(--space-5xl) var(--padding-x);
  display: grid;
  gap: var(--space-4xl);
  max-width: var(--max-width);
  margin: 0 auto;
}

.about-text {
  margin-top: var(--space-xl);
}

.about-lead {
  font-size: 20px;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
}

.about-body {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.team-card {
  opacity: 0;
  transform: translateY(40px);
  transition: all var(--transition-slower);
}

.team-card.revealed {
  opacity: 1;
  transform: translateY(0);
}

.team-card:nth-child(1) { transition-delay: 0ms; }
.team-card:nth-child(2) { transition-delay: 100ms; }
.team-card:nth-child(3) { transition-delay: 200ms; }

.team-image {
  position: relative;
  aspect-ratio: 1;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: var(--space-md);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--color-border);
}

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

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

.team-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.3) 0%, transparent 40%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.team-card:hover .team-image-overlay {
  opacity: 1;
}

.team-info {
  text-align: center;
}

.team-name {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.team-role {
  font-size: 13px;
  color: var(--color-text-tertiary);
}

@media (min-width: 900px) {
  .about {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

@media (max-width: 600px) {
  .team-grid {
    grid-template-columns: 1fr;
    max-width: 280px;
    margin: 0 auto;
  }
}

/* ═══════════════════════════════════════════════════════════════════════════
   CONTACT SECTION
   ═══════════════════════════════════════════════════════════════════════════ */
.contact {
  position: relative;
  padding: var(--space-5xl) var(--padding-x);
  background: linear-gradient(180deg, var(--color-bg-elevated) 0%, var(--color-bg) 100%);
  overflow: hidden;
}

.contact-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin: 0 auto;
}

.contact-title {
  font-family: var(--font-display);
  font-size: clamp(48px, 10vw, 96px);
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
}

.contact-title em {
  font-style: italic;
  color: var(--color-accent);
}

.contact-subtitle {
  max-width: 520px;
  margin: 0 auto var(--space-2xl);
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.contact-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

.contact-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-md);
  padding: 20px 40px;
  background: var(--color-text);
  color: var(--color-bg);
  border-radius: 100px;
  font-size: 16px;
  font-weight: 600;
  transition: all var(--transition-base);
}

.contact-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 60px var(--color-accent-glow);
}

.btn-icon {
  display: flex;
  transition: transform var(--transition-base);
}

.contact-btn:hover .btn-icon {
  transform: translate(4px, -4px);
}

.contact-email {
  font-size: 14px;
  color: var(--color-text-tertiary);
}

.contact-email a {
  color: var(--color-text);
  border-bottom: 1px solid var(--color-text-tertiary);
  transition: border-color var(--transition-fast);
}

.contact-email a:hover {
  border-color: var(--color-text);
}

.contact-decoration {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

.decoration-circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--color-border);
}

.decoration-circle:nth-child(1) {
  width: 600px;
  height: 600px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.5;
}

.decoration-circle:nth-child(2) {
  width: 400px;
  height: 400px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.3;
}

.decoration-circle:nth-child(3) {
  width: 200px;
  height: 200px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.2;
}

/* ═══════════════════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════════════════ */
.footer {
  padding: var(--space-4xl) var(--padding-x) var(--space-2xl);
  border-top: 1px solid var(--color-border);
}

.footer-main {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
  max-width: var(--max-width);
  margin: 0 auto var(--space-3xl);
}

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

.footer-logo {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.footer-tagline {
  font-size: 14px;
  color: var(--color-text-tertiary);
}

.footer-nav {
  display: flex;
  gap: var(--space-4xl);
}

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

.footer-col-title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-sm);
}

.footer-col a {
  font-size: 14px;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-text);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.footer-copy,
.footer-location {
  font-size: 13px;
  color: var(--color-text-tertiary);
}

@media (min-width: 768px) {
  .footer-main {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

@media (max-width: 600px) {
  .footer-nav {
    flex-direction: column;
    gap: var(--space-2xl);
  }
}

/* ═══════════════════════════════════════════════════════════════════════════
   UTILITY CLASSES
   ═══════════════════════════════════════════════════════════════════════════ */

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

  .marquee-track {
    animation: none;
  }

  .cursor-glow {
    display: none;
  }
}

/* ═══════════════════════════════════════════════════════════════════════════
   RESPONSIVE OPTIMIZATIONS
   ═══════════════════════════════════════════════════════════════════════════ */

/* Extra Small Devices (phones, < 480px) */
@media (max-width: 479px) {
  :root {
    --space-4xl: 64px;
    --space-5xl: 80px;
  }

  .hero {
    min-height: auto;
    padding-top: 120px;
    padding-bottom: var(--space-2xl);
  }

  .hero-badge {
    position: relative;
    top: auto;
    left: auto;
    margin-bottom: var(--space-lg);
  }

  .hero-title {
    font-size: 42px;
    margin-bottom: var(--space-xl);
  }

  .hero-description {
    font-size: 15px;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: var(--space-lg);
  }

  .stat {
    min-width: 80px;
  }

  .stat-number {
    font-size: 24px;
  }

  .stat-label {
    font-size: 10px;
  }

  /* Work Section */
  .work-category-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg) var(--padding-x);
  }

  .category-label {
    font-size: 16px;
  }

  .category-count {
    min-width: 28px;
    height: 28px;
    font-size: 12px;
  }

  .work-item-inner {
    grid-template-columns: 1fr auto;
    gap: var(--space-md);
    padding: var(--space-lg) var(--padding-x);
  }

  .work-index {
    display: none;
  }

  .work-name {
    font-size: 22px;
  }

  .work-type {
    font-size: 10px;
  }

  .work-arrow {
    width: 40px;
    height: 40px;
  }

  /* Services */
  .services {
    padding: var(--space-3xl) var(--padding-x);
  }

  .service-card {
    padding: var(--space-md);
  }

  .service-title {
    font-size: 18px;
  }

  .service-description {
    font-size: 14px;
  }

  .service-list li {
    font-size: 11px;
    padding: 6px 10px;
  }

  /* About */
  .about {
    padding: var(--space-3xl) var(--padding-x);
  }

  .about-lead {
    font-size: 17px;
  }

  .about-body {
    font-size: 14px;
  }

  /* Contact */
  .contact {
    padding: var(--space-3xl) var(--padding-x);
  }

  .contact-title {
    font-size: 36px;
  }

  .contact-subtitle {
    font-size: 15px;
  }

  .contact-btn {
    padding: 16px 28px;
    font-size: 14px;
  }

  /* Footer */
  .footer {
    padding: var(--space-2xl) var(--padding-x) var(--space-lg);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}

/* Small Devices (large phones, 480px - 767px) */
@media (min-width: 480px) and (max-width: 767px) {
  .hero-title {
    font-size: 52px;
  }

  .hero-stats {
    gap: var(--space-xl);
  }

  .work-category-header {
    padding: var(--space-xl) var(--padding-x);
  }

  .work-item-inner {
    grid-template-columns: auto 1fr auto;
  }

  .work-index {
    display: block;
  }

  .work-name {
    font-size: 26px;
  }

  .team-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: none;
    gap: var(--space-md);
  }

  .team-card:nth-child(3) {
    grid-column: span 2;
    max-width: 200px;
    margin: 0 auto;
  }
}

/* Tablet (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
  .hero-title {
    font-size: clamp(60px, 10vw, 80px);
  }

  .work-item-inner {
    gap: var(--space-lg);
  }

  .work-logo {
    width: 64px;
    height: 64px;
  }

  .work-desc {
    font-size: 13px;
    max-width: 220px;
  }

  .team-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }

  .service-card {
    padding: var(--space-lg);
  }
}

/* Large Tablets / Small Laptops (1024px - 1279px) */
@media (min-width: 1024px) and (max-width: 1279px) {
  .work-item-inner {
    grid-template-columns: 50px 80px 1fr 1fr 50px;
  }

  .work-desc {
    max-width: 260px;
  }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
  .work-item:hover {
    background: transparent;
  }

  .work-item:active {
    background: var(--color-bg-hover);
  }

  .work-card:hover {
    transform: none;
  }

  .nav-link:hover .nav-link-line {
    width: 0;
  }

  .contact-btn:hover {
    transform: none;
  }
}

/* Landscape phones */
@media (max-height: 500px) and (orientation: landscape) {
  .hero {
    min-height: auto;
    padding-top: 100px;
    padding-bottom: var(--space-xl);
  }

  .hero-title {
    font-size: 36px;
  }

  .hero-meta {
    flex-direction: row;
    align-items: center;
  }

  .hero-stats {
    gap: var(--space-lg);
  }
}

/* Print Styles */
@media print {
  .nav,
  .mobile-menu,
  .hero-scroll,
  .hero-corners,
  .marquee,
  .grain,
  .contact-decoration,
  .theme-toggle,
  .lang-switcher {
    display: none !important;
  }

  .hero {
    min-height: auto;
    padding: 40px 20px;
  }

  .work-item,
  .service-card,
  .team-card {
    break-inside: avoid;
  }

  body {
    color: #000;
    background: #fff;
  }
}