/* ============================================================
   Alanotech License Portal — Design System
   Light theme, Inter font, mobile-first
   ============================================================ */

:root {
  /* Primary — Indigo */
  --color-primary-50: #EEF2FF;
  --color-primary-100: #E0E7FF;
  --color-primary-200: #C7D2FE;
  --color-primary-500: #6366F1;
  --color-primary-600: #4F46E5;
  --color-primary-700: #4338CA;

  /* Gray scale */
  --color-gray-50:  #F9FAFB;
  --color-gray-100: #F3F4F6;
  --color-gray-200: #E5E7EB;
  --color-gray-300: #D1D5DB;
  --color-gray-400: #9CA3AF;
  --color-gray-500: #6B7280;
  --color-gray-600: #4B5563;
  --color-gray-700: #374151;
  --color-gray-800: #1F2937;
  --color-gray-900: #111827;

  /* Status */
  --color-success-100: #D1FAE5;
  --color-success-500: #10B981;
  --color-success-600: #059669;
  --color-error-100:   #FEE2E2;
  --color-error-500:   #EF4444;
  --color-warning-100: #FEF3C7;
  --color-warning-500: #F59E0B;

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Mono', monospace;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-3xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -2px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.10), 0 8px 10px -6px rgba(0,0,0,0.05);

  /* Product accent (overridden per product) */
  --accent: var(--color-primary-600);
  --accent-light: var(--color-primary-50);
  --accent-border: var(--color-primary-200);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  background: var(--color-gray-50);
  color: var(--color-gray-800);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
main { flex: 1; }

/* ── Product accent overrides ── */
.product-tridper    { --accent: #6366F1; --accent-light: #EEF2FF; --accent-border: #C7D2FE; }
.product-satpamku   { --accent: #F59E0B; --accent-light: #FFFBEB; --accent-border: #FDE68A; }
.product-pembacamd  { --accent: #8B5CF6; --accent-light: #F5F3FF; --accent-border: #DDD6FE; }
.product-portal-karir { --accent: #0EA5E9; --accent-light: #F0F9FF; --accent-border: #BAE6FD; }
.product-better-lead { --accent: #10B981; --accent-light: #ECFDF5; --accent-border: #A7F3D0; }
.product-bana-cart  { --accent: #F43F5E; --accent-light: #FFF1F2; --accent-border: #FECDD3; }

/* ── Layout ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--space-4); }
.container-sm { max-width: 720px; margin: 0 auto; padding: 0 var(--space-4); }
.section { padding: var(--space-16) 0; }
.section-sm { padding: var(--space-10) 0; }

/* ── Navigation ── */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-gray-200);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.nav-logo { display: flex; align-items: center; gap: var(--space-3); }
.nav-logo img { width: 32px; height: 32px; border-radius: var(--radius-lg); }
.nav-logo-text { font-size: 1rem; font-weight: 700; color: var(--color-gray-900); letter-spacing: -0.3px; }
.nav-logo-sub  { font-size: 0.7rem; color: var(--color-gray-400); font-weight: 500; line-height: 1; }
.nav-links { display: flex; align-items: center; gap: var(--space-6); }
.nav-links a { font-size: 0.875rem; font-weight: 500; color: var(--color-gray-600); transition: color 0.15s; }
.nav-links a:hover, .nav-links a.active { color: var(--color-primary-600); }
.nav-cta {
  background: var(--color-primary-600); color: #fff !important;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-lg);
  font-weight: 600; font-size: 0.875rem;
  transition: background 0.15s, transform 0.15s;
}
.nav-cta:hover { background: var(--color-primary-700) !important; transform: translateY(-1px); }
.nav-hamburger { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-hamburger svg { width: 24px; height: 24px; color: var(--color-gray-700); }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-weight: 600; font-size: 0.9375rem;
  border-radius: var(--radius-lg);
  transition: all 0.15s ease;
  border: none; cursor: pointer;
  text-decoration: none; font-family: var(--font-sans);
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(0.92); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-secondary {
  background: #fff; color: var(--color-gray-700);
  border: 1px solid var(--color-gray-300);
}
.btn-secondary:hover { background: var(--color-gray-50); border-color: var(--color-gray-400); }
.btn-ghost { background: transparent; color: var(--accent); }
.btn-ghost:hover { background: var(--accent-light); }
.btn-sm { padding: var(--space-2) var(--space-3); font-size: 0.8125rem; }
.btn-lg { padding: var(--space-4) var(--space-8); font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* ── Cards ── */
.card {
  background: #fff;
  border-radius: var(--radius-2xl);
  border: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-sm);
  padding: var(--space-6);
  transition: box-shadow 0.2s, border-color 0.2s, transform 0.2s;
}
.card:hover { box-shadow: var(--shadow-md); }
.card-featured {
  background: linear-gradient(135deg, #fff 0%, var(--accent-light) 100%);
  border: 1.5px solid var(--accent-border);
}
.card-accent-top { border-top: 3px solid var(--accent); }

/* ── Product Card ── */
.product-card {
  background: #fff;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.25s, transform 0.2s;
  display: flex; flex-direction: column;
}
.product-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.product-card-thumb {
  height: 160px;
  background: var(--accent-light);
  display: flex; align-items: center; justify-content: center;
  border-bottom: 1px solid var(--accent-border);
}
.product-card-thumb svg { width: 56px; height: 56px; color: var(--accent); opacity: 0.7; }
.product-card-body { padding: var(--space-5); flex: 1; display: flex; flex-direction: column; gap: var(--space-3); }
.product-card-category {
  font-size: 0.6875rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--accent);
}
.product-card-name { font-size: 1.125rem; font-weight: 700; color: var(--color-gray-900); }
.product-card-desc { font-size: 0.875rem; color: var(--color-gray-500); line-height: 1.6; flex: 1; }
.product-card-footer { margin-top: auto; padding-top: var(--space-3); }

/* ── Forms ── */
.form-group { display: flex; flex-direction: column; gap: var(--space-2); }
.form-label { font-size: 0.875rem; font-weight: 600; color: var(--color-gray-700); }
.form-hint  { font-size: 0.75rem; color: var(--color-gray-400); }
.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--color-gray-300);
  border-radius: var(--radius-lg);
  font-size: 1rem; font-family: var(--font-sans);
  color: var(--color-gray-800);
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}
.form-input::placeholder { color: var(--color-gray-400); }

/* ── Badges ── */
.badge {
  display: inline-flex; align-items: center; gap: var(--space-1);
  padding: 2px var(--space-2);
  font-size: 0.6875rem; font-weight: 700; border-radius: var(--radius-full);
  text-transform: uppercase; letter-spacing: 0.04em;
}
.badge-success  { background: var(--color-success-100); color: var(--color-success-600); }
.badge-error    { background: var(--color-error-100); color: var(--color-error-500); }
.badge-warning  { background: var(--color-warning-100); color: #92400E; }
.badge-primary  { background: var(--color-primary-100); color: var(--color-primary-700); }
.badge-gray     { background: var(--color-gray-100); color: var(--color-gray-600); }

/* ── Alerts ── */
.alert { padding: var(--space-4); border-radius: var(--radius-lg); font-size: 0.875rem; }
.alert-error   { background: var(--color-error-100); color: var(--color-error-500); border-left: 3px solid var(--color-error-500); }
.alert-success { background: var(--color-success-100); color: var(--color-success-600); border-left: 3px solid var(--color-success-500); }
.alert-info    { background: var(--color-primary-50); color: var(--color-primary-700); border-left: 3px solid var(--color-primary-500); }

/* ── License key display ── */
.license-key-box {
  display: flex; align-items: center; gap: var(--space-3);
  background: var(--color-gray-900);
  color: #fff;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-xl);
  font-family: var(--font-mono);
  font-size: 0.9375rem; letter-spacing: 0.05em;
  word-break: break-all;
}
.license-key-text { flex: 1; }
.copy-btn {
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.15);
  color: #fff; border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  font-size: 0.75rem; font-weight: 600;
  cursor: pointer; white-space: nowrap; transition: background 0.15s;
}
.copy-btn:hover { background: rgba(255,255,255,0.2); }

/* ── Section headings ── */
.section-label {
  display: inline-flex; align-items: center; gap: var(--space-2);
  background: var(--accent-light);
  border-radius: var(--radius-full);
  padding: 4px var(--space-4);
  font-size: 0.6875rem; font-weight: 700; color: var(--accent);
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: var(--space-3);
}
.section-label svg { width: 13px; height: 13px; }
.section-title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800; letter-spacing: -0.5px; line-height: 1.2;
  color: var(--color-gray-900);
  margin-bottom: var(--space-3);
}
.section-desc {
  font-size: 1rem; color: var(--color-gray-500); line-height: 1.7;
  max-width: 560px;
  margin-bottom: var(--space-10);
}

/* ── Hero ── */
.hero {
  background: linear-gradient(135deg, var(--color-primary-50) 0%, #fff 55%, var(--color-primary-50) 100%);
  border-bottom: 1px solid var(--color-primary-100);
  padding: var(--space-16) 0;
  text-align: center;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-2);
  background: var(--color-primary-100);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-4);
  font-size: 0.75rem; font-weight: 700; color: var(--color-primary-700);
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: var(--space-5);
}
.hero-eyebrow svg { width: 14px; height: 14px; }
.hero-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 900; letter-spacing: -1px; line-height: 1.1;
  color: var(--color-gray-900);
  margin-bottom: var(--space-5);
}
.hero-title span { color: var(--color-primary-600); }
.hero-desc {
  font-size: 1.125rem; color: var(--color-gray-500); line-height: 1.7;
  max-width: 560px; margin: 0 auto var(--space-8);
}
.hero-actions { display: flex; gap: var(--space-3); justify-content: center; flex-wrap: wrap; }

/* ── Stats ── */
.stats-bar { background: #fff; border-bottom: 1px solid var(--color-gray-200); padding: var(--space-8) 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); text-align: center; }
.stat-number { font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 900; color: var(--color-primary-600); letter-spacing: -1px; line-height: 1; }
.stat-label  { font-size: 0.875rem; color: var(--color-gray-400); font-weight: 500; margin-top: var(--space-1); }

/* ── Grid layouts ── */
.grid-auto-3 { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: var(--space-6); }
.grid-auto-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--space-6); }

/* ── Feature list ── */
.feature-item { display: flex; align-items: flex-start; gap: var(--space-4); }
.feature-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: var(--accent-light);
  border-radius: var(--radius-xl);
  display: flex; align-items: center; justify-content: center;
}
.feature-icon svg { width: 22px; height: 22px; color: var(--accent); }
.feature-title { font-weight: 700; font-size: 0.9375rem; margin-bottom: 2px; }
.feature-desc  { font-size: 0.875rem; color: var(--color-gray-500); line-height: 1.6; }

/* ── Step connector ── */
.steps { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: var(--space-4); }
.step { flex: 1; min-width: 140px; text-align: center; position: relative; }
.step:not(:last-child)::after {
  content: '→'; position: absolute;
  right: -1.5rem; top: 1.5rem;
  color: var(--color-gray-300); font-size: 1.25rem;
}
.step-num {
  width: 56px; height: 56px; margin: 0 auto var(--space-3);
  background: var(--accent); color: #fff;
  border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; font-weight: 700;
}
.step-title { font-weight: 700; font-size: 0.9375rem; }
.step-desc  { font-size: 0.8125rem; color: var(--color-gray-400); margin-top: 2px; }

/* ── Footer ── */
.footer { background: #fff; border-top: 1px solid var(--color-gray-200); padding: var(--space-12) 0 var(--space-8); margin-top: auto; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: var(--space-8); }
.footer-brand p { font-size: 0.875rem; color: var(--color-gray-400); line-height: 1.7; margin-top: var(--space-3); max-width: 240px; }
.footer-col h4 { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-gray-500); margin-bottom: var(--space-4); }
.footer-col a  { display: block; font-size: 0.875rem; color: var(--color-gray-500); margin-bottom: var(--space-2); transition: color 0.15s; }
.footer-col a:hover { color: var(--color-primary-600); }
.footer-bottom {
  margin-top: var(--space-8); padding-top: var(--space-6);
  border-top: 1px solid var(--color-gray-100);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-3);
  font-size: 0.8125rem; color: var(--color-gray-400);
}

/* ── Animations ── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 64px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--color-gray-200);
    padding: var(--space-4); gap: var(--space-3);
    box-shadow: var(--shadow-md);
  }
  .nav-hamburger { display: block; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .hero { padding: var(--space-12) 0; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
  .section { padding: var(--space-12) 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-6); }
  .footer-bottom { flex-direction: column; text-align: center; }
  .step:not(:last-child)::after { display: none; }
}
@media (max-width: 480px) {
  .grid-auto-3 { grid-template-columns: 1fr; }
  .stats-grid  { grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
  .footer-grid { grid-template-columns: 1fr; }
}