/* ═══════════════════════════════════════════════════════════════════
   Lege365 — Landing Page Styles
   CAI Technology & Aria United — 2026
   ═══════════════════════════════════════════════════════════════════ */

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

:root {
  --blue-50: #eff6ff;
  --blue-100: #dbeafe;
  --blue-200: #bfdbfe;
  --blue-500: #3b82f6;
  --blue-600: #1a56db;
  --blue-700: #1d4ed8;
  --blue-800: #1e40af;
  --blue-900: #1e3a8a;
  --navy: #0f172a;
  --navy-light: #1e293b;
  --amber-400: #fbbf24;
  --amber-500: #f59e0b;
  --green-500: #22c55e;
  --red-500: #ef4444;
  --purple-500: #a855f7;
  --teal-500: #14b8a6;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --white: #ffffff;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 40px rgba(0,0,0,.12);
  --shadow-xl: 0 20px 60px rgba(0,0,0,.15);
  --transition: 0.3s cubic-bezier(.4,0,.2,1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: var(--blue-600); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--blue-800); }

.hidden { display: none !important; }

/* ── Buttons ───────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  font-family: inherit;
  line-height: 1.4;
}

.btn-primary {
  background: var(--blue-600);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(26, 86, 219, 0.4);
}
.btn-primary:hover {
  background: var(--blue-700);
  box-shadow: 0 6px 20px rgba(26, 86, 219, 0.5);
  transform: translateY(-1px);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.3);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
  color: var(--white);
}

.btn-lg { padding: 16px 32px; font-size: 16px; border-radius: 12px; }
.btn-block { width: 100%; justify-content: center; }

/* ── Navbar ────────────────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: all var(--transition);
}

#navbar.scrolled {
  background: rgba(15, 23, 42, 0.95);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}
.logo-icon { font-size: 28px; }
.logo-text {
  font-size: 22px;
  color: var(--white);
  font-weight: 300;
  letter-spacing: -0.5px;
}
.logo-text strong { font-weight: 700; }

.nav-links {
  display: flex;
  gap: 32px;
}
.nav-links a {
  color: var(--gray-300);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--white); }

.nav-cta {
  background: var(--blue-600);
  color: var(--white);
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}
.nav-cta:hover { background: var(--blue-700); transform: translateY(-1px); }

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.mobile-menu span {
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

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

.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--navy);
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(26, 86, 219, 0.3) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 80%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse 40% 40% at 10% 60%, rgba(245, 158, 11, 0.08) 0%, transparent 50%);
}

.hero-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image:
    linear-gradient(rgba(255,255,255,.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.1) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 80px 0 60px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(26, 86, 219, 0.15);
  border: 1px solid rgba(26, 86, 219, 0.3);
  border-radius: 100px;
  color: var(--blue-200);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 32px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--green-500);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

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

#hero h1 {
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--blue-500), var(--amber-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 18px;
  color: var(--gray-400);
  max-width: 680px;
  margin: 0 auto 40px;
  line-height: 1.7;
}
.hero-sub strong { color: var(--gray-200); }

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.stat { text-align: center; }
.stat-value {
  display: block;
  font-size: 28px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -1px;
}
.stat-label {
  font-size: 13px;
  color: var(--gray-400);
  margin-top: 4px;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.1);
}

/* ── Section Common ────────────────────────────────────────────── */
section { padding: 100px 0; }

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--blue-50);
  color: var(--blue-600);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.section-header p {
  font-size: 17px;
  color: var(--gray-500);
  max-width: 600px;
  margin: 0 auto;
}

/* ── Features ──────────────────────────────────────────────────── */
#features { background: var(--gray-50); }

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

.feature-card {
  background: var(--white);
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.feature-icon.blue { background: var(--blue-50); color: var(--blue-600); }
.feature-icon.amber { background: #fffbeb; color: var(--amber-500); }
.feature-icon.green { background: #f0fdf4; color: var(--green-500); }
.feature-icon.purple { background: #faf5ff; color: var(--purple-500); }
.feature-icon.red { background: #fef2f2; color: var(--red-500); }
.feature-icon.teal { background: #f0fdfa; color: var(--teal-500); }

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.7;
}

.coming-soon {
  background: var(--amber-400);
  color: var(--navy);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  font-style: normal;
  text-transform: uppercase;
}

/* ── How It Works ──────────────────────────────────────────────── */
#how-it-works { background: var(--white); }

.steps-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.step {
  text-align: center;
  flex: 1;
  max-width: 300px;
}

.step-number {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-800));
  color: var(--white);
  font-size: 28px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 8px 24px rgba(26, 86, 219, 0.3);
}

.step-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.step-content p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.6;
}

.step-connector {
  color: var(--gray-300);
  flex-shrink: 0;
}

/* ── Demo Section ──────────────────────────────────────────────── */
#demo {
  background: var(--navy);
  padding: 100px 0;
}

#demo .section-tag { background: rgba(26,86,219,0.2); color: var(--blue-200); }

.demo-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.demo-left h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: -1px;
}
.demo-left p { color: var(--gray-400); font-size: 16px; line-height: 1.7; }
.demo-left p strong { color: var(--gray-200); }

.demo-examples { margin-top: 32px; }
.demo-examples-title { color: var(--gray-400); font-size: 14px; font-weight: 600; margin-bottom: 12px; }

.example-btn {
  display: block;
  width: 100%;
  text-align: left;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--gray-300);
  padding: 12px 16px;
  border-radius: 10px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
  font-size: 14px;
}
.example-btn:hover {
  background: rgba(26, 86, 219, 0.15);
  border-color: rgba(26, 86, 219, 0.4);
  color: var(--white);
}

/* Demo Chat Preview */
.demo-chat-preview {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.dcp-header {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-900));
  color: var(--white);
  padding: 16px 20px;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}
.dcp-dot { width: 10px; height: 10px; border-radius: 50%; }
.green-dot { background: var(--green-500); animation: pulse-dot 2s infinite; }

.dcp-body { padding: 20px; background: var(--gray-50); }

.dcp-msg {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}
.dcp-msg.user { justify-content: flex-end; }
.dcp-msg.assistant { justify-content: flex-start; }

.dcp-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--blue-50);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 18px;
}

.dcp-bubble {
  max-width: 80%;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.6;
}
.dcp-msg.assistant .dcp-bubble {
  background: var(--white);
  border: 1px solid var(--gray-200);
  color: var(--gray-700);
}
.dcp-msg.user .dcp-bubble {
  background: var(--blue-600);
  color: var(--white);
}
.dcp-source {
  display: inline-block;
  margin-top: 8px;
  padding: 4px 10px;
  background: var(--blue-50);
  border-radius: 6px;
  color: var(--blue-600);
  font-size: 12px;
  font-weight: 600;
}

.dcp-footer { padding: 16px 20px; text-align: center; background: var(--white); border-top: 1px solid var(--gray-200); }

/* ── Documents ─────────────────────────────────────────────────── */
#documents { background: var(--gray-50); }

.doc-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.doc-upload-area {
  text-align: center;
  padding: 60px 40px;
  background: var(--white);
  border: 2px dashed var(--gray-300);
  border-radius: var(--radius-lg);
  position: relative;
  transition: all var(--transition);
  cursor: default;
}

.doc-upload-icon { color: var(--gray-400); margin-bottom: 16px; }
.doc-upload-area h3 { color: var(--navy); font-size: 20px; margin-bottom: 8px; }
.doc-upload-area p { color: var(--gray-500); font-size: 14px; }
.doc-formats { display: block; margin-top: 16px; color: var(--gray-400); font-size: 12px; }

.doc-coming-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--amber-400);
  color: var(--navy);
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.doc-features { display: flex; flex-direction: column; gap: 24px; }

.doc-feature {
  display: flex;
  gap: 16px;
  padding: 24px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
}
.doc-feature:hover { box-shadow: var(--shadow); }

.doc-feature-icon { font-size: 32px; flex-shrink: 0; }
.doc-feature h4 { font-size: 16px; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.doc-feature p { font-size: 14px; color: var(--gray-500); line-height: 1.6; }

/* ── Trust Section ─────────────────────────────────────────────── */
#trust { background: var(--white); padding: 80px 0; }

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.trust-card {
  text-align: center;
  padding: 32px 20px;
  border-radius: var(--radius-lg);
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
}
.trust-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.trust-icon { font-size: 40px; margin-bottom: 16px; display: block; }
.trust-card h3 { font-size: 16px; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.trust-card p { font-size: 13px; color: var(--gray-500); line-height: 1.6; }

/* ── Contact ───────────────────────────────────────────────────── */
#contact { background: var(--gray-50); padding: 100px 0; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 16px;
  letter-spacing: -1px;
}
.contact-info > p { color: var(--gray-500); font-size: 16px; line-height: 1.7; margin-bottom: 32px; }

.contact-details { display: flex; flex-direction: column; gap: 20px; margin-bottom: 40px; }

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
}
.contact-item-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--blue-50);
  color: var(--blue-600);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-item strong { display: block; font-size: 14px; color: var(--navy); }
.contact-item a, .contact-item span { font-size: 14px; color: var(--gray-500); }

.powered-by {
  padding: 20px 0;
  border-top: 1px solid var(--gray-200);
  font-size: 14px;
  color: var(--gray-500);
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.powered-by strong { color: var(--navy); }

/* Contact Form */
.contact-form-wrap {
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
}

.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
}
.form-group .optional { font-weight: 400; color: var(--gray-400); font-size: 12px; }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-300);
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  color: var(--gray-800);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue-600);
  box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--gray-400); }

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 12px center;
  background-repeat: no-repeat;
  background-size: 20px;
  padding-right: 40px;
}

.form-group textarea { resize: vertical; min-height: 100px; }

.form-feedback {
  margin-top: 16px;
  padding: 14px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
}
.form-feedback.success { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.form-feedback.error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

/* ── Footer ────────────────────────────────────────────────────── */
#footer {
  background: var(--navy);
  color: var(--gray-400);
  padding: 80px 0 40px;
}

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

.footer-brand p { margin-top: 16px; font-size: 14px; line-height: 1.7; max-width: 320px; }
.footer-brand .logo { margin-bottom: 8px; }

.footer-links h4 {
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.footer-links a {
  display: block;
  color: var(--gray-400);
  font-size: 14px;
  padding: 4px 0;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--white); }

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
}
.footer-bottom p { font-size: 13px; }
.footer-disclaimer {
  margin-top: 12px;
  font-size: 11px;
  color: var(--gray-500);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Modal ─────────────────────────────────────────────────────── */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
}
.modal-content {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}
.modal-close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: none;
  border: none;
  font-size: 28px;
  color: var(--gray-400);
  cursor: pointer;
  transition: color var(--transition);
}
.modal-close:hover { color: var(--navy); }
.modal-content h2 { font-size: 24px; color: var(--navy); margin-bottom: 20px; }
.modal-body p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 12px;
}

/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .demo-card { grid-template-columns: 1fr; }
  .doc-preview { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .mobile-menu { display: flex; }

  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--navy);
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  #hero h1 { letter-spacing: -1px; }

  .hero-stats {
    flex-direction: column;
    gap: 20px;
  }
  .stat-divider { width: 60px; height: 1px; }

  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 100%; max-width: 320px; justify-content: center; }

  .features-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }

  .steps-grid { flex-direction: column; }
  .step-connector { transform: rotate(90deg); }

  .contact-grid { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

/* ── Animations ────────────────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}