/* ============================================
   VipRix — Software Solutions
   Design System: "Cyber Dark"
   Fonts: Inter · Outfit · IBM Plex Mono
   Accent: Cyan #00d4ff
   ============================================ */

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

/* ── CSS Variables (Dark-first) ── */
:root {
  --bg: #0d0d1a;
  --bg-muted: #12121f;
  --bg-subtle: #1a1a2e;
  --surface: #151525;
  --surface-2: #1e1e32;

  --text: #FAFAFA;
  --text-secondary: #D4D4D8;
  --text-muted: #A1A1AA;
  --text-subtle: #71717A;

  --border: rgba(255, 255, 255, 0.07);
  --border-strong: rgba(255, 255, 255, 0.14);

  --accent: #00d4ff;
  --accent-hover: #33e5ff;
  --accent-dim: rgba(0, 212, 255, 0.08);
  --accent-border: rgba(0, 212, 255, 0.22);
  --accent-glow: rgba(0, 212, 255, 0.15);

  --danger: #EF4444;
  --success: #22C55E;
  --warning: #FBBF24;

  /* Backwards-compat aliases */
  --ink: var(--bg);
  --ink-2: var(--bg-muted);
  --ink-3: var(--bg-subtle);
  --canvas: var(--text);
  --signal: var(--accent);
  --signal-deep: var(--accent-hover);
  --indigo: var(--accent);
  --primary: var(--accent);
  --primary-light: var(--accent);
  --primary-dark: var(--accent-hover);
  --primary-glow: var(--accent-glow);
  --primary-subtle: var(--accent-dim);
  --bg-dark: var(--bg);
  --bg-section: var(--bg-muted);
  --bg-card: var(--surface);
  --bg-card-hover: var(--surface-2);
  --glass-bg: rgba(20, 20, 22, 0.85);
  --glass-border: var(--border);
  --glass-border-hover: var(--border-strong);
  --text-white: var(--text);
  --text-light: var(--text-secondary);
  --gradient-primary: var(--accent);
  --gradient-hero: none;
  --gradient-text: var(--text);

  --section-padding: 140px 0;
  --container-width: 1240px;
  --container-padding: 0 40px;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --transition-fast: 0.15s ease;
  --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.45);
  --shadow-btn: 0 2px 8px rgba(0, 212, 255, 0.15);
  --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.12);

  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  font-size: 16px;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.01em;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text);
}

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

ul { list-style: none; }
img { max-width: 100%; display: block; }

button, input, textarea, select {
  font-family: inherit;
  border: none;
  outline: none;
}

::selection {
  background: rgba(0, 212, 255, 0.2);
  color: var(--accent);
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--surface-2);
  border-radius: 99px;
}
::-webkit-scrollbar-thumb:hover { background: var(--text-subtle); }

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--container-padding);
}

/* ── Section Headers ── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'IBM Plex Mono', 'SF Mono', monospace;
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 20px;
  padding: 6px 16px;
  border: 1px solid var(--accent-border);
  border-radius: 99px;
  background: var(--accent-dim);
}

.section-label::before { content: none; }

.section-title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--text);
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.65;
  font-weight: 400;
}

.section-header {
  text-align: center;
  margin-bottom: 80px;
}

.section-header .section-subtitle {
  margin: 0 auto;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: -0.005em;
  cursor: pointer;
  transition: all var(--transition-smooth);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: #0d0d1a;
  border-color: var(--accent);
  box-shadow: var(--shadow-btn);
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn-primary:active { transform: translateY(0); }

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-strong);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

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

.btn-secondary:hover {
  background: var(--surface-2);
  border-color: var(--border-strong);
}

/* ── Reveal Animations ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }
.reveal-delay-5 { transition-delay: 0.40s; }
.reveal-delay-6 { transition-delay: 0.48s; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes floatElement {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ============================================
   HEADER
   ============================================ */
.header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 1000;
  padding: 18px 0;
  background: rgba(9, 9, 11, 0.75);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border);
  transition: all var(--transition-smooth);
}

.header.scrolled {
  padding: 12px 0;
  background: rgba(9, 9, 11, 0.95);
  border-bottom-color: var(--border-strong);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Syne', sans-serif;
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text);
}

.logo-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
  border-radius: 0;
  flex-shrink: 0;
}

.logo-icon img { border-radius: 0; object-fit: contain; }

.logo-brand {
  display: flex;
  flex-direction: column;
  gap: 0;
  line-height: 1.1;
}

.logo-text { color: var(--text); }
.logo-slogan {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.55rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent, #00d4ff);
  opacity: 0.85;
  -webkit-text-fill-color: var(--accent, #00d4ff);
  -webkit-text-stroke: 0;
  text-shadow: none !important;
}
.logo-dot { color: var(--accent); }

/* Nav */
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 4px 0;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after { content: none; }

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}

.nav-cta {
  margin-left: 8px;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.mobile-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition-smooth);
}

.mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding-top: 140px;
  padding-bottom: 100px;
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(0, 212, 255, 0.025) 0%, transparent 60%);
  pointer-events: none;
}

.hero-grid-bg { display: none; }
.hero-orb { display: none; }

.hero .container {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 80px;
}

.hero-content {
  flex: 1;
  max-width: 640px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px 6px 6px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: 99px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 28px;
  animation: fadeInUp 0.6s ease forwards;
}

.hero-badge::before {
  content: 'NEW';
  padding: 3px 10px;
  background: var(--accent);
  color: #0d0d1a;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 99px;
}

.hero-badge i { font-size: 0.72rem; color: var(--accent); }

.hero-title {
  font-size: clamp(2.6rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
  animation: fadeInUp 0.6s ease 0.1s forwards;
  opacity: 0;
  background: linear-gradient(135deg, #1a2744 0%, #0ef 50%, #ffffff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero-title .highlight {
  font-style: normal;
  font-family: inherit;
  background: inherit;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 36px;
  max-width: 540px;
  animation: fadeInUp 0.6s ease 0.2s forwards;
  opacity: 0;
  font-weight: 400;
}

.hero-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease 0.3s forwards;
  opacity: 0;
}

.hero-stats {
  display: flex;
  gap: 56px;
  margin-top: 72px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
  animation: fadeInUp 0.6s ease 0.4s forwards;
  opacity: 0;
}

.hero-stat-number {
  font-family: 'Syne', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1;
}

.hero-stat-number::after {
  content: '';
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  margin-left: 4px;
  transform: translateY(-12px);
}

.hero-stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 6px;
  font-weight: 400;
}

/* Hero visual (code card) */
.hero-visual {
  flex: 1;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 420px;
}

.hero-code-card {
  width: 100%;
  max-width: 480px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  animation: fadeInRight 0.8s ease 0.3s forwards;
  opacity: 0;
}

.code-card-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 14px 18px;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border);
}

.code-dot {
  width: 11px; height: 11px;
  border-radius: 50%;
}
.code-dot.red { background: #FF5F57; }
.code-dot.yellow { background: #FEBC2E; }
.code-dot.green { background: #28C840; }

.code-card-title {
  margin-left: 10px;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: 'IBM Plex Mono', monospace;
}

.code-card-body {
  padding: 24px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85rem;
  line-height: 1.9;
  color: var(--text);
  background: var(--surface);
}

.code-card-body .code-keyword { color: #C084FC; }
.code-card-body .code-function { color: #60A5FA; }
.code-card-body .code-string { color: #86EFAC; }
.code-card-body .code-comment { color: var(--text-subtle); font-style: italic; }
.code-card-body .code-bracket { color: var(--text-secondary); }
.code-card-body .code-number { color: #FCA5A5; }

.floating-element {
  position: absolute;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
  animation: floatElement 6s ease-in-out infinite;
  box-shadow: var(--shadow-card);
}

.floating-element i { color: var(--accent); }
.float-el-1 { top: 8%; right: -6%; animation-delay: 0s; }
.float-el-2 { bottom: 14%; left: -4%; animation-delay: 2s; }
.float-el-3 { bottom: 2%; right: 6%; animation-delay: 4s; }

/* ============================================
   SERVICES
   ============================================ */
.services {
  padding: var(--section-padding);
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.services::before { display: none; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition-smooth);
}

.service-card::before { display: none; }

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

.service-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-dim);
  border: none;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--accent);
  margin-bottom: 20px;
  transition: all var(--transition-smooth);
}

.service-card:hover .service-icon {
  background: var(--accent);
  color: #0d0d1a;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
  letter-spacing: -0.02em;
}

.service-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
  font-weight: 400;
}

/* ============================================
   WHY US
   ============================================ */
.why-us {
  padding: var(--section-padding);
  background: var(--bg-muted);
  position: relative;
}

.why-us-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.why-us-text .section-label,
.why-us-text .section-title,
.why-us-text .section-subtitle {
  text-align: left;
}

.why-us-features {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-top: 40px;
}

.feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.feature-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: var(--accent-dim);
  border: none;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--accent);
}

.feature-info h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
  color: var(--text);
}

.feature-info p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  font-weight: 400;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 24px;
  text-align: center;
  transition: all var(--transition-smooth);
}

.stat-card:hover {
  border-color: var(--accent-border);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.stat-number {
  font-family: 'Syne', sans-serif;
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 8px;
  letter-spacing: -0.04em;
  line-height: 1;
}

.stat-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ============================================
   PORTFOLIO
   ============================================ */
.portfolio {
  padding: var(--section-padding);
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.portfolio::before { display: none; }

.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 9px 20px;
  border-radius: 99px;
  font-size: 0.82rem;
  font-weight: 600;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #0d0d1a;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.portfolio-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 11;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--surface);
  transition: all var(--transition-smooth);
}

.portfolio-card:hover {
  border-color: var(--accent-border);
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.06);
}

.portfolio-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-card:hover img {
  transform: scale(1.06);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(9, 9, 11, 0.92) 0%, rgba(9, 9, 11, 0.3) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.portfolio-card:hover .portfolio-overlay { opacity: 1; }

.portfolio-overlay h3 {
  color: #fff;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.015em;
}

.portfolio-overlay p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.88rem;
}

.portfolio-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent);
  color: #0d0d1a;
  border-radius: 99px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 10px;
  align-self: flex-start;
}

/* ============================================
   PORTFOLIO — COVERFLOW SLIDER
   ============================================ */
.coverflow {
  position: relative;
  width: 100%;
  height: 480px;
  perspective: 1400px;
  overflow: visible;
  margin-top: 24px;
}

.coverflow-track {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
}

.coverflow-slide {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 520px;
  max-width: 90vw;
  aspect-ratio: 16 / 11;
  border-radius: var(--radius-lg, 16px);
  overflow: hidden;
  border: 1px solid var(--border, rgba(255,255,255,0.08));
  background: var(--surface, #141416);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  transition: all 0.65s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -50%) scale(0.5);
}

.coverflow-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

/* ── Slide info overlay ── */
.coverflow-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 28px 24px 24px;
  background: linear-gradient(to top, rgba(9, 9, 11, 0.95) 0%, rgba(9, 9, 11, 0.6) 60%, transparent 100%);
  transform: translateY(100%);
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.1s;
}

.coverflow-slide.active .coverflow-info {
  transform: translateY(0);
}

.coverflow-info h3 {
  color: #fff;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: -0.015em;
}

.coverflow-info p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.86rem;
  line-height: 1.45;
}

.coverflow-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent, #00d4ff);
  color: #0d0d1a;
  border-radius: 99px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}

/* ── Position transforms (set via JS data-pos attribute) ── */

/* Center — active slide */
.coverflow-slide[data-pos="0"] {
  transform: translate(-50%, -50%) rotateY(0deg) translateZ(0px) scale(1);
  opacity: 1;
  z-index: 5;
  pointer-events: auto;
  border-color: rgba(0, 212, 255, 0.25);
  box-shadow: 0 20px 80px rgba(0, 212, 255, 0.08), 0 10px 40px rgba(0, 0, 0, 0.5);
}

.coverflow-slide[data-pos="0"]:hover img {
  transform: scale(1.05);
}

/* Left -1 */
.coverflow-slide[data-pos="-1"] {
  transform: translate(-50%, -50%) translateX(-72%) rotateY(40deg) translateZ(-120px) scale(0.82);
  opacity: 0.65;
  z-index: 4;
  pointer-events: auto;
}

/* Right +1 */
.coverflow-slide[data-pos="1"] {
  transform: translate(-50%, -50%) translateX(72%) rotateY(-40deg) translateZ(-120px) scale(0.82);
  opacity: 0.65;
  z-index: 4;
  pointer-events: auto;
}

/* Left -2 */
.coverflow-slide[data-pos="-2"] {
  transform: translate(-50%, -50%) translateX(-130%) rotateY(50deg) translateZ(-240px) scale(0.65);
  opacity: 0.3;
  z-index: 3;
  pointer-events: auto;
}

/* Right +2 */
.coverflow-slide[data-pos="2"] {
  transform: translate(-50%, -50%) translateX(130%) rotateY(-50deg) translateZ(-240px) scale(0.65);
  opacity: 0.3;
  z-index: 3;
  pointer-events: auto;
}

/* Far offscreen */
.coverflow-slide[data-pos="-3"],
.coverflow-slide[data-pos="3"],
.coverflow-slide[data-pos="-4"],
.coverflow-slide[data-pos="4"] {
  transform: translate(-50%, -50%) scale(0.4);
  opacity: 0;
  z-index: 1;
  pointer-events: none;
}

/* ── Navigation buttons ── */
.coverflow-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1.5px solid rgba(0, 212, 255, 0.25);
  background: rgba(13, 13, 26, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--accent, #00d4ff);
  font-size: 1rem;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.coverflow-btn:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: rgba(0, 212, 255, 0.6);
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.12);
  transform: translateY(-50%) scale(1.08);
}

.coverflow-prev { left: 16px; }
.coverflow-next { right: 16px; }

/* ── Dot indicators ── */
.coverflow-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 32px;
  position: relative;
  z-index: 10;
}

.coverflow-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1.5px solid rgba(0, 212, 255, 0.25);
  background: transparent;
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
}

.coverflow-dot.active {
  background: var(--accent, #00d4ff);
  border-color: var(--accent, #00d4ff);
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.4);
  transform: scale(1.2);
}

.coverflow-dot:hover:not(.active) {
  border-color: rgba(0, 212, 255, 0.5);
  background: rgba(0, 212, 255, 0.15);
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials {
  padding: var(--section-padding);
  background: var(--bg-muted);
}

.testimonials-wrapper {
  position: relative;
  overflow: hidden;
  max-width: 820px;
  margin: 0 auto;
}

.testimonials-track {
  display: flex;
  transition: transform var(--transition-smooth);
}

.testimonial-card {
  min-width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 56px 48px;
  text-align: center;
}

.testimonial-stars {
  display: flex;
  justify-content: center;
  gap: 3px;
  margin-bottom: 24px;
  color: var(--warning);
  font-size: 1rem;
}

.testimonial-text {
  font-size: 1.2rem;
  color: var(--text-secondary);
  line-height: 1.6;
  font-style: normal;
  font-weight: 400;
  margin-bottom: 32px;
  letter-spacing: -0.01em;
}

.testimonial-text::before { display: none; }

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  border: 1px solid var(--accent-border);
}

.testimonial-author-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

.testimonial-author-info span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.testimonial-nav {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 32px;
}

.testimonial-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--surface-2);
  border: none;
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.testimonial-dot.active {
  background: var(--accent);
  width: 28px;
  border-radius: 99px;
}

/* ============================================
   CONTACT
   ============================================ */
.contact {
  padding: var(--section-padding);
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.contact::before { display: none; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}

.contact-info { padding-top: 4px; }

.contact-info h3 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 16px;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.contact-info > p {
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 36px;
  font-size: 1rem;
  font-weight: 400;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: var(--accent-dim);
  border: none;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1rem;
}

.contact-item-text h4 {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 3px;
  letter-spacing: -0.01em;
}

.contact-item-text p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* Form */
.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
}

.form-group { margin-bottom: 18px; }

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 400;
  transition: all var(--transition-fast);
}

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

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
  font-family: inherit;
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23A1A1AA'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 18px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-submit {
  width: 100%;
  justify-content: center;
  margin-top: 8px;
  padding: 13px 24px;
  font-size: 0.95rem;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: 5px 0 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.footer::before { display: none; }

.footer-brand-row {
  padding-top: 5px;
  display: flex;
  justify-content: flex-start;
  align-items: center;
}
.footer-brand-row .logo { display: inline-flex; align-items: center; }
.footer-brand-row .logo-icon { width: 120px; height: 80px; overflow: hidden; }

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
  align-items: start;
}

.footer-brand .logo { margin-bottom: 20px; }
.footer-brand .logo-icon { width: 150px; height: 100px; }

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.75rem;
  line-height: 1.5;
  max-width: 300px;
  margin-bottom: 16px;
}

.footer-socials {
  display: flex;
  gap: 8px;
  margin-top: 14px;
}

.footer-socials a {
  width: 36px;
  height: 36px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.footer-socials a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #0d0d1a;
}

.footer-column h4 {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 18px;
}

.footer-column h4::after { display: none; }

.footer-column ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-column ul a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.footer-column ul a:hover { color: var(--accent); }

.footer-bottom {
  padding: 24px 0;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 400;
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.footer-bottom-links a:hover { color: var(--accent); }

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  background: var(--accent);
  border: none;
  border-radius: 50%;
  color: #0d0d1a;
  font-size: 0.95rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-smooth);
  box-shadow: var(--shadow-glow);
  z-index: 999;
}

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

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 40px rgba(0, 212, 255, 0.25);
}

/* ============================================
   THEME TOGGLE
   ============================================ */
.theme-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 58px;
  height: 28px;
  margin-left: 10px;
  padding: 0;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 99px;
  cursor: pointer;
  transition: background .25s ease, border-color .25s ease;
  box-sizing: border-box;
  flex-shrink: 0;
}
.theme-toggle:hover { border-color: var(--accent-border); }

.theme-toggle .theme-toggle-sun,
.theme-toggle .theme-toggle-moon {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 11px;
  pointer-events: none;
  line-height: 1;
}
.theme-toggle .theme-toggle-sun  { left: 8px; color: #FBBF24; }
.theme-toggle .theme-toggle-moon { right: 8px; color: var(--text-subtle); }

.theme-toggle-knob {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 22px;
  height: 22px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(0, 212, 255, 0.3);
  transition: transform .28s cubic-bezier(.4, 0, .2, 1), background .25s;
  z-index: 2;
}

html[data-theme="dark"] .theme-toggle-knob { transform: translateX(30px); }

/* ============================================
   DARK MODE (explicit, matches :root)
   ============================================ */
html[data-theme="dark"] {
  --bg: #0d0d1a;
  --bg-muted: #12121f;
  --bg-subtle: #1a1a2e;
  --surface: #151525;
  --surface-2: #1e1e32;
  --text: #FAFAFA;
  --text-secondary: #D4D4D8;
  --text-muted: #A1A1AA;
  --text-subtle: #71717A;
  --border: rgba(255, 255, 255, 0.07);
  --border-strong: rgba(255, 255, 255, 0.14);
  --accent: #00d4ff;
  --accent-hover: #33e5ff;
  --accent-dim: rgba(0, 212, 255, 0.08);
  --accent-border: rgba(0, 212, 255, 0.22);
  color-scheme: dark;
}

html[data-theme="dark"] body { background: var(--bg); color: var(--text); }

/* ============================================
   LIGHT MODE
   ============================================ */
html:not([data-theme="dark"]) {
  --bg: #FAFAF8;
  --bg-muted: #F2F2F0;
  --bg-subtle: #E8E8E6;
  --surface: #FFFFFF;
  --surface-2: #F5F5F3;
  --text: #18181B;
  --text-secondary: #3F3F46;
  --text-muted: #71717A;
  --text-subtle: #A1A1AA;
  --border: rgba(0, 0, 0, 0.08);
  --border-strong: rgba(0, 0, 0, 0.15);
  --accent: #0097b2;
  --accent-hover: #007a91;
  --accent-dim: rgba(0, 151, 178, 0.08);
  --accent-border: rgba(0, 151, 178, 0.2);
  --accent-glow: rgba(0, 151, 178, 0.1);
  --shadow-glow: 0 0 30px rgba(0, 151, 178, 0.1);
  color-scheme: light;
}

html:not([data-theme="dark"]) body {
  background: var(--bg);
  color: var(--text);
}

html:not([data-theme="dark"]) .header {
  background: rgba(250, 250, 248, 0.85);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
}
html:not([data-theme="dark"]) .header.scrolled {
  background: rgba(250, 250, 248, 0.95);
}
html:not([data-theme="dark"]) .header .logo-text { color: var(--text); }
html:not([data-theme="dark"]) .header .nav-links a { color: var(--text-muted); }
html:not([data-theme="dark"]) .header .nav-links a:hover,
html:not([data-theme="dark"]) .header .nav-links a.active { color: var(--accent); }
html:not([data-theme="dark"]) .mobile-toggle span { background: var(--text); }

html:not([data-theme="dark"]) .theme-toggle {
  background: var(--bg-subtle);
  border-color: var(--border);
}
html:not([data-theme="dark"]) .theme-toggle-knob {
  transform: translateX(0);
  background: var(--accent);
  box-shadow: 0 0 8px rgba(0, 151, 178, 0.3);
}
html:not([data-theme="dark"]) .theme-toggle .theme-toggle-sun { color: #FBBF24; }
html:not([data-theme="dark"]) .theme-toggle .theme-toggle-moon { color: var(--text-subtle); }

html:not([data-theme="dark"]) .btn-primary {
  background: var(--accent);
  color: #fff;
}
html:not([data-theme="dark"]) .btn-primary:hover {
  background: var(--accent-hover);
}

html:not([data-theme="dark"]) .back-to-top {
  background: var(--accent);
  color: #fff;
}

html:not([data-theme="dark"]) .stat-number { color: var(--accent); }
html:not([data-theme="dark"]) .hero-stat-number { color: var(--accent); }

html:not([data-theme="dark"]) .filter-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* ============================================
   RESPONSIVE (basics — details in responsive.css)
   ============================================ */
@media (max-width: 1024px) {
  .hero .container {
    flex-direction: column;
    text-align: center;
    gap: 60px;
  }
  .hero-content { max-width: 100%; }
  .hero-description { max-width: 100%; margin-left: auto; margin-right: auto; }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { max-width: 500px; margin: 0 auto; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-us-content { grid-template-columns: 1fr; gap: 48px; }
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  :root { --section-padding: 80px 0; }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 78%;
    max-width: 320px;
    height: 100vh;
    background: var(--bg);
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    padding: 40px;
    transition: right var(--transition-smooth);
    border-left: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
  }
  .nav-links.open { right: 0; }
  .nav-cta { margin-left: 0; }
  .mobile-toggle { display: flex; }

  .mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(9, 9, 11, 0.6);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-smooth);
  }
  .mobile-overlay.active { opacity: 1; visibility: visible; }

  .hero { padding-top: 120px; padding-bottom: 80px; }
  .hero-title { font-size: clamp(2.2rem, 8vw, 3rem); }
  .hero-stats { gap: 28px; flex-wrap: wrap; justify-content: center; }
  .hero-visual { display: none; }

  .services-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .portfolio-filters { gap: 6px; }
  .filter-btn { padding: 8px 14px; font-size: 0.8rem; }
  .testimonial-card { padding: 36px 24px; }
  .testimonial-text { font-size: 1.05rem; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 28px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 14px; text-align: center; }
}

@media (max-width: 480px) {
  .hero-stats { flex-direction: column; align-items: center; gap: 22px; }
  .hero-stat { text-align: center; }
  .btn { padding: 10px 18px; font-size: 0.88rem; }
  .section-title { font-size: clamp(1.7rem, 7vw, 2.2rem); }
}