/* ============================================
   DaiBerry — Professional Technology Services
   Master Stylesheet
   ============================================ */

/* --- CSS Variables --- */
:root {
  --color-primary: #0c1b33;
  --color-primary-light: #132847;
  --color-secondary: #1d4ed8;
  --color-secondary-hover: #1e40af;
  --color-accent: #3b82f6;
  --color-accent-light: #60a5fa;
  --color-accent-subtle: #dbeafe;
  --color-bg: #ffffff;
  --color-bg-alt: #f8f9fc;
  --color-bg-card: #ffffff;
  --color-text: #1e293b;
  --color-text-secondary: #475569;
  --color-text-muted: #64748b;
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-footer-bg: #0a1628;
  --color-footer-text: #94a3b8;
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max-width: 1200px;
  --header-height: 72px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 14px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.12), 0 6px 16px rgba(0,0,0,0.06);
  --shadow-xl: 0 30px 80px rgba(0,0,0,0.15);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-primary);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-secondary);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  width: 32px;
  height: 2px;
  background: var(--color-secondary);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: 20px;
}

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

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

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: background var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  background: rgba(12, 27, 51, 0.97);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.02em;
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  color: #fff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.78);
  position: relative;
  padding: 4px 0;
  transition: color var(--transition);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
  border-radius: 2px;
}

.nav-links a:hover,
.nav-links a.active { color: #ffffff; }

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

.nav-cta {
  background: var(--color-secondary);
  color: #fff !important;
  padding: 10px 24px !important;
  border-radius: var(--radius-sm);
  font-weight: 600 !important;
  transition: background var(--transition), transform var(--transition) !important;
}

.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--color-secondary-hover) !important; transform: translateY(-1px); }

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

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #ffffff;
  border-radius: 2px;
  transition: var(--transition);
  transform-origin: center;
}

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

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(160deg, #0c1b33 0%, #132847 40%, #1a3a6b 70%, #1e4d8c 100%);
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 600px 400px at 10% 80%, rgba(59,130,246,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 500px 500px at 90% 20%, rgba(96,165,250,0.08) 0%, transparent 70%),
    radial-gradient(ellipse 400px 400px at 50% 50%, rgba(29,78,216,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 800px 500px at 30% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 800px 500px at 30% 50%, black 20%, transparent 70%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content { padding: 40px 0; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(59,130,246,0.15);
  border: 1px solid rgba(59,130,246,0.25);
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-accent-light);
  margin-bottom: 28px;
  backdrop-filter: blur(4px);
}

.hero-badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-success);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
  color: #ffffff;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--color-accent-light), #93bbfc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.8;
  max-width: 520px;
  margin-bottom: 36px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-primary);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-secondary);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(29,78,216,0.35);
}

.btn-primary:hover {
  background: var(--color-secondary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(29,78,216,0.45);
}

.btn-outline-light {
  background: transparent;
  color: #ffffff;
  border: 1.5px solid rgba(255,255,255,0.25);
}

.btn-outline-light:hover {
  border-color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.06);
  transform: translateY(-2px);
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}

.hero-illustration {
  position: relative;
  width: 100%;
  max-width: 460px;
  aspect-ratio: 1;
}

.hero-shape-1 {
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(59,130,246,0.2), rgba(29,78,216,0.05));
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  filter: blur(40px);
  animation: float-shape 8s ease-in-out infinite;
}

.hero-shape-2 {
  position: absolute;
  width: 200px;
  height: 200px;
  border: 1.5px solid rgba(59,130,246,0.15);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: float-shape 10s ease-in-out infinite reverse;
}

.hero-shape-3 {
  position: absolute;
  width: 140px;
  height: 140px;
  border: 1.5px solid rgba(96,165,250,0.1);
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: morph-shape 12s ease-in-out infinite;
}

.hero-card {
  position: absolute;
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
  animation: float-card 6s ease-in-out infinite;
}

.hero-card-1 {
  top: 12%;
  right: 5%;
  animation-delay: 0s;
}

.hero-card-2 {
  bottom: 18%;
  left: 5%;
  animation-delay: -2s;
}

.hero-card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.hero-card-icon.blue { background: rgba(59,130,246,0.2); }
.hero-card-icon.green { background: rgba(16,185,129,0.2); }

.hero-card-text small {
  display: block;
  font-size: 0.7rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 2px;
}

.hero-card-text span {
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
}

@keyframes float-shape {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -55%) scale(1.05); }
}

@keyframes morph-shape {
  0%, 100% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
  25% { border-radius: 58% 42% 75% 25% / 76% 46% 54% 24%; }
  50% { border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%; }
  75% { border-radius: 33% 67% 58% 42% / 63% 68% 32% 37%; }
}

@keyframes float-card {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* --- Services --- */
.services { background: var(--color-bg-alt); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 52px;
}

.service-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 36px 32px;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

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

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

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
  background: var(--color-accent-subtle);
  color: var(--color-secondary);
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 12px;
}

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

/* --- About --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
}

.about-image-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, var(--color-accent-subtle), #eff6ff);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: var(--color-secondary);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.about-image-placeholder::before {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(29,78,216,0.06), transparent);
  top: -40px;
  right: -40px;
}

.about-image-placeholder::after {
  content: '';
  position: absolute;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59,130,246,0.06), transparent);
  bottom: -30px;
  left: -30px;
}

.about-content h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
  margin-bottom: 20px;
}

.about-content p {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--color-border);
}

.about-stat h4 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-secondary);
  line-height: 1;
  margin-bottom: 4px;
}

.about-stat p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* --- Why Us --- */
.why-us { background: var(--color-primary); color: #fff; }

.why-us .section-label { color: var(--color-accent-light); }
.why-us .section-label::before { background: var(--color-accent-light); }
.why-us .section-title { color: #ffffff; }
.why-us .section-subtitle { color: rgba(255,255,255,0.6); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 52px;
}

.feature-card {
  display: flex;
  gap: 20px;
  padding: 28px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.feature-card:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(59,130,246,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  color: var(--color-accent-light);
}

.feature-text h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: #fff;
}

.feature-text p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 52px;
}

.contact-info h3 {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 24px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

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

.contact-item-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--color-accent-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  color: var(--color-secondary);
}

.contact-item h4 {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: 2px;
}

.contact-item p {
  font-size: 0.95rem;
  color: var(--color-text);
}

.contact-item a {
  color: var(--color-secondary);
  font-weight: 500;
}

.contact-item a:hover { color: var(--color-secondary-hover); }

.contact-form {
  background: var(--color-bg-card);
  padding: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.contact-form h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 24px;
}

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

.form-group label {
  display: block;
  font-size: 0.87rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-primary);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.12);
}

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

.btn-submit {
  width: 100%;
  background: var(--color-secondary);
  color: #fff;
  padding: 14px 32px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-submit:hover {
  background: var(--color-secondary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(29,78,216,0.3);
}

/* --- Footer --- */
.footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-brand .nav-logo {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--color-footer-text);
  max-width: 320px;
}

.footer h4 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.5);
  margin-bottom: 20px;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--color-footer-text);
  transition: color var(--transition);
}

.footer-links a:hover { color: #ffffff; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.3);
}

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

.footer-bottom a:hover { color: #fff; }

/* --- Page Header (for inner pages) --- */
.page-header {
  padding: 140px 0 60px;
  background: linear-gradient(160deg, #0c1b33, #1a3a6b);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 500px 300px at 20% 80%, rgba(59,130,246,0.08) 0%, transparent),
    radial-gradient(ellipse 400px 400px at 80% 20%, rgba(96,165,250,0.05) 0%, transparent);
  pointer-events: none;
}

.page-header h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
}

.page-header p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.6);
  max-width: 600px;
}

/* --- Legal Pages (Privacy / Terms) --- */
.legal-content {
  padding: 60px 0 100px;
}

.legal-content .container {
  max-width: 860px;
}

.legal-content h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: 40px;
  margin-bottom: 16px;
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: 28px;
  margin-bottom: 12px;
}

.legal-content p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.legal-content ul,
.legal-content ol {
  margin: 12px 0 20px 24px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.legal-content li {
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.legal-content strong {
  color: var(--color-text);
}

.legal-content .last-updated {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}

/* --- Scroll Animation --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { min-height: 300px; order: -1; }
  .hero-content { padding: 20px 0; text-align: center; }
  .hero p { margin-left: auto; margin-right: auto; }
  .hero-buttons { justify-content: center; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }

  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(12, 27, 51, 0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 24px 32px;
    gap: 20px;
    transform: translateY(-120%);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
  }

  .nav-toggle { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .about-stat h4 { font-size: 1.4rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }

  .contact-form { padding: 28px; }

  .hero h1 { font-size: 2rem; }
  .hero-card { display: none; }
}

@media (max-width: 480px) {
  .about-stats { grid-template-columns: 1fr; text-align: center; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .hero-buttons .btn { width: 100%; justify-content: center; }
}