/* ============================================================
   GLOS OPTIMALIZACE — Premium Dark Mode Design System
   ============================================================ */

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

/* --- CSS Custom Properties --- */
:root {
  /* Backgrounds */
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: #161616;
  --bg-card-hover: #1a1a1a;
  --bg-glass: rgba(255, 255, 255, 0.03);
  --bg-glass-border: rgba(255, 255, 255, 0.06);

  /* Accent */
  --accent: #00d4aa;
  --accent-dim: rgba(0, 212, 170, 0.15);
  --accent-glow: rgba(0, 212, 170, 0.25);
  --accent-hover: #00f0c0;
  --accent-gradient: linear-gradient(135deg, #00d4aa 0%, #00b4d8 100%);

  /* Text */
  --text-primary: #f0f0f0;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;
  --text-accent: var(--accent);

  /* Spacing */
  --section-padding: clamp(80px, 10vw, 140px);
  --container-max: 1200px;
  --border-radius: 16px;
  --border-radius-sm: 10px;
  --border-radius-xs: 6px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-medium: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- 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: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

/* --- Layout --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
}

.section {
  padding: var(--section-padding) 0;
}

/* --- Typography --- */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: var(--border-radius-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #0a0a0a;
  box-shadow: 0 4px 24px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow), 0 0 60px rgba(0, 212, 170, 0.15);
}

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

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

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

.btn-icon {
  font-size: 1.1rem;
  transition: transform var(--transition-fast);
}

.btn:hover .btn-icon {
  transform: translateX(3px);
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 clamp(20px, 4vw, 48px);
  transition: all var(--transition-medium);
}

.navbar.scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--bg-glass-border);
}

.navbar-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.logo {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.logo span {
  color: var(--accent);
}

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

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: 2px;
  transition: width var(--transition-medium);
}

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

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

.nav-cta {
  font-size: 0.85rem;
  padding: 10px 22px;
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

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

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 72px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  opacity: 0.4;
  pointer-events: none;
  animation: heroGlow 8s ease-in-out infinite alternate;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 180, 216, 0.12) 0%, transparent 70%);
  pointer-events: none;
  animation: heroGlow 10s ease-in-out 2s infinite alternate;
}

@keyframes heroGlow {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(30px, -20px) scale(1.1); }
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 60% 60% at 50% 40%, black 20%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 40%, black 20%, transparent 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--accent-dim);
  border: 1px solid rgba(0, 212, 170, 0.2);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 32px;
  animation: fadeInUp 0.8s ease-out;
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-title {
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease-out 0.1s backwards;
}

.hero-title .highlight {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 40px;
  max-width: 560px;
  animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.3s backwards;
}

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 72px;
  animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.hero-stat {
  position: relative;
}

.hero-stat::before {
  content: '';
  position: absolute;
  left: -24px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 40px;
  background: var(--bg-glass-border);
}

.hero-stat:first-child::before {
  display: none;
}

.hero-stat-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.hero-stat-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 2px;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Services Section --- */
.services {
  background: var(--bg-secondary);
  position: relative;
}

.services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--bg-glass-border), transparent);
}

.services-header {
  text-align: center;
  margin-bottom: 64px;
}

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

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

.service-card {
  background: var(--bg-glass);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--border-radius);
  padding: 40px 32px;
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity var(--transition-medium);
}

.service-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(0, 212, 170, 0.15);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

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

.service-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-sm);
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 1.4rem;
  margin-bottom: 24px;
  transition: all var(--transition-fast);
}

.service-card:hover .service-icon {
  background: var(--accent-gradient);
  color: #0a0a0a;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.service-title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.service-description {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* --- Case Studies Section --- */
.case-studies {
  position: relative;
}

.case-studies-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 56px;
  flex-wrap: wrap;
  gap: 24px;
}



.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.case-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: all var(--transition-medium);
  cursor: pointer;
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.case-card:hover {
  border-color: rgba(0, 212, 170, 0.2);
  transform: translateY(-6px);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
}

.case-card-image {
  height: 200px;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.case-card-image .case-icon {
  font-size: 3.5rem;
  opacity: 0.15;
  transition: all var(--transition-medium);
}

.case-card:hover .case-card-image .case-icon {
  opacity: 0.3;
  transform: scale(1.1);
}

.case-card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--bg-card), transparent 60%);
}

.case-card-content {
  padding: 28px 28px 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.case-card-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  width: fit-content;
}

.case-card-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
  transition: color var(--transition-fast);
}

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

.case-card-excerpt {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 24px;
  flex: 1;
}

.case-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  transition: gap var(--transition-fast);
}

.case-card:hover .case-card-link {
  gap: 12px;
}

/* --- About Section --- */
.about {
  background: var(--bg-secondary);
  position: relative;
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--bg-glass-border), transparent);
}

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

.about-visual {
  position: relative;
}

.about-avatar {
  width: 100%;
  aspect-ratio: 1;
  max-width: 400px;
  border-radius: var(--border-radius);
  background: linear-gradient(135deg, var(--bg-card), var(--bg-primary));
  border: 1px solid var(--bg-glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.about-avatar-icon {
  font-size: 6rem;
  opacity: 0.08;
}

.about-avatar::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(from 0deg, transparent, var(--accent-dim), transparent, transparent);
  animation: rotateBorder 8s linear infinite;
}

.about-avatar::after {
  content: '';
  position: absolute;
  inset: 2px;
  background: linear-gradient(135deg, var(--bg-card), var(--bg-primary));
  border-radius: calc(var(--border-radius) - 2px);
  z-index: 1;
}

.about-avatar .about-avatar-icon {
  position: relative;
  z-index: 2;
}

.about-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 2;
  border-radius: calc(var(--border-radius) - 2px);
}

@keyframes rotateBorder {
  to { transform: rotate(360deg); }
}

.about-float-card {
  position: absolute;
  bottom: -20px;
  right: -30px;
  background: rgba(22, 22, 22, 0.9);
  backdrop-filter: blur(16px);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--border-radius-sm);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  z-index: 3;
}

.about-float-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: #0a0a0a;
  font-size: 1.1rem;
}

.about-float-text strong {
  display: block;
  font-size: 0.95rem;
}

.about-float-text span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.about-content .section-subtitle {
  margin-bottom: 28px;
}

.about-points {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 36px;
}

.about-point {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.about-point-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 0.7rem;
  margin-top: 2px;
}

/* --- Contact / Footer --- */
.footer {
  border-top: 1px solid var(--bg-glass-border);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 64px;
  margin-bottom: 64px;
}

.footer-brand .logo {
  font-size: 1.3rem;
  margin-bottom: 16px;
  display: inline-block;
}

.footer-brand-description {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 320px;
}

.footer-heading {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

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

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

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 14px;
  transition: color var(--transition-fast);
}

.footer-contact-item:hover {
  color: var(--accent);
}

.footer-contact-icon {
  color: var(--accent);
  font-size: 1rem;
  flex-shrink: 0;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--bg-glass-border);
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.footer-social {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--bg-glass-border);
  color: var(--text-muted);
  font-size: 0.85rem;
  transition: all var(--transition-fast);
}

.footer-social:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

/* --- CTA Banner --- */
.cta-banner {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
  background: linear-gradient(135deg, rgba(0, 212, 170, 0.08), rgba(0, 180, 216, 0.06));
  border: 1px solid rgba(0, 212, 170, 0.12);
  padding: 64px;
  text-align: center;
  margin-bottom: 80px;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -60%;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  opacity: 0.3;
  pointer-events: none;
}

.cta-banner-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 16px;
  position: relative;
  letter-spacing: -0.02em;
}

.cta-banner-text {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  position: relative;
}

.cta-banner .btn {
  position: relative;
}

/* --- Case Study Page --- */
.case-hero {
  padding-top: 140px;
  padding-bottom: 80px;
  position: relative;
}

.case-hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  opacity: 0.3;
  pointer-events: none;
}

.case-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 40px;
  transition: all var(--transition-fast);
}

.case-back:hover {
  color: var(--accent);
  gap: 12px;
}

.case-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.case-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.case-meta-icon {
  color: var(--accent);
}

/* Case Study Content */
.case-content {
  padding-bottom: var(--section-padding);
}

.case-content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  max-width: 800px;
}

.case-block {
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--border-radius);
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.case-block::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  border-radius: 3px 0 0 3px;
}

.case-block.problem::before {
  background: #ff6b6b;
}

.case-block.solution::before {
  background: var(--accent);
}

.case-block.result::before {
  background: #ffd93d;
}

.case-block-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 16px;
}

.case-block.problem .case-block-label {
  color: #ff6b6b;
}

.case-block.solution .case-block-label {
  color: var(--accent);
}

.case-block.result .case-block-label {
  color: #ffd93d;
}

.case-block-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.case-block-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.case-block-text ul {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.case-block-text li {
  padding-left: 20px;
  position: relative;
}

.case-block-text li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
}

.case-results-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 24px;
}

.case-metric {
  text-align: center;
  padding: 24px 16px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--bg-glass-border);
}

.case-metric-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.case-metric-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* --- Scroll Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* --- Responsive --- */
@media (max-width: 1024px) {
  .services-grid,
  .case-studies-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-visual {
    max-width: 360px;
    margin: 0 auto;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    background: rgba(10, 10, 10, 0.97);
    backdrop-filter: blur(20px);
    padding: 40px 32px;
    gap: 24px;
    z-index: 999;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-stats {
    gap: 32px;
  }

  .services-grid,
  .case-studies-grid {
    grid-template-columns: 1fr;
  }

  .case-results-metrics {
    grid-template-columns: 1fr;
  }

  .cta-banner {
    padding: 40px 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .case-block {
    padding: 28px 24px;
  }
}

@media (max-width: 480px) {
  .hero-stats {
    flex-direction: column;
    gap: 20px;
  }

  .hero-stat::before {
    display: none;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

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