@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@300;400;500;600;700;800;900&display=swap');

/* ===========================
   CSS CUSTOM PROPERTIES
=========================== */
:root {
  /* Colors */
  --primary: #7C3AED;
  --primary-light: #9F67F0;
  --primary-dark: #5B21B6;
  --accent: #06B6D4;
  --accent-light: #22D3EE;
  --accent-dark: #0891B2;
  --amber: #F59E0B;
  --success: #10B981;
  --danger: #EF4444;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #7C3AED 0%, #06B6D4 100%);
  --gradient-hero: linear-gradient(135deg, #0A0A0F 0%, #1a0533 50%, #0a1a2e 100%);
  --gradient-card: linear-gradient(145deg, rgba(124,58,237,0.1), rgba(6,182,212,0.05));
  --gradient-text: linear-gradient(135deg, #9F67F0, #22D3EE);
  --gradient-amber: linear-gradient(135deg, #F59E0B, #EF4444);

  /* Typography */
  --font-primary: 'Outfit', sans-serif;
  --font-secondary: 'Inter', sans-serif;

  /* Spacing */
  --container-max: 1280px;
  --container-pad: 2rem;
  --section-pad: 5rem;
  --gap-sm: 1rem;
  --gap-md: 1.5rem;
  --gap-lg: 2rem;
  --gap-xl: 3rem;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.1);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.2);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.3);
  --shadow-glow: 0 0 40px rgba(124,58,237,0.3);
  --shadow-cyan: 0 0 40px rgba(6,182,212,0.2);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-med: 0.35s ease;
  --transition-slow: 0.6s ease;

  /* Z-index layers */
  --z-base: 1;
  --z-nav: 100;
  --z-modal: 200;
  --z-toast: 300;
}

/* ===========================
   DARK MODE (default)
=========================== */
[data-theme="dark"] {
  --bg-primary: #0A0A0F;
  --bg-secondary: #13131A;
  --bg-tertiary: #1C1C28;
  --bg-card: rgba(19,19,26,0.8);
  --bg-glass: rgba(255,255,255,0.04);
  --bg-glass-hover: rgba(255,255,255,0.08);
  --border-color: rgba(255,255,255,0.08);
  --border-accent: rgba(124,58,237,0.3);
  --text-primary: #F0F0FA;
  --text-secondary: #A0A0B8;
  --text-muted: #606078;
  --navbar-bg: rgba(10,10,15,0.9);
  --card-shadow: 0 8px 32px rgba(0,0,0,0.4);
  --input-bg: rgba(255,255,255,0.06);
}

/* ===========================
   LIGHT MODE
=========================== */
[data-theme="light"] {
  --bg-primary: #F8F7FF;
  --bg-secondary: #FFFFFF;
  --bg-tertiary: #EEF0FF;
  --bg-card: rgba(255,255,255,0.9);
  --bg-glass: rgba(0,0,0,0.02);
  --bg-glass-hover: rgba(0,0,0,0.04);
  --border-color: rgba(0,0,0,0.08);
  --border-accent: rgba(124,58,237,0.2);
  --text-primary: #0F0F1A;
  --text-secondary: #4A4A6A;
  --text-muted: #8A8AAA;
  --navbar-bg: rgba(248,247,255,0.92);
  --card-shadow: 0 8px 32px rgba(0,0,0,0.08);
  --input-bg: rgba(0,0,0,0.04);
}

/* ===========================
   RESET & BASE
=========================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-secondary);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-med), color var(--transition-med);
  min-height: 100vh;
}

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

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

button {
  cursor: pointer;
  border: none;
  outline: none;
  font-family: var(--font-primary);
}

ul, ol {
  list-style: none;
}

/* ===========================
   CONTAINER
=========================== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* ===========================
   SECTION
=========================== */
.section {
  padding: var(--section-pad) 0;
}

.section-sm {
  padding: 3rem 0;
}

/* ===========================
   TYPOGRAPHY
=========================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

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

.gradient-text-amber {
  background: var(--gradient-amber);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-primary);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(6,182,212,0.1);
  border: 1px solid rgba(6,182,212,0.2);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.8;
}

.text-center {
  text-align: center;
}

.text-center .section-subtitle {
  margin: 0 auto;
}

/* ===========================
   BUTTONS
=========================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-med);
  cursor: pointer;
  border: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before {
  opacity: 1;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 20px rgba(124,58,237,0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(124,58,237,0.5);
}

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

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-accent {
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: white;
  box-shadow: 0 4px 20px rgba(37,211,102,0.3);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37,211,102,0.4);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
}

/* ===========================
   CARDS
=========================== */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: all var(--transition-med);
  box-shadow: var(--card-shadow);
  position: relative;
  overflow: hidden;
}

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

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

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

/* ===========================
   BADGE
=========================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  font-family: var(--font-primary);
}

.badge-primary {
  background: rgba(124,58,237,0.15);
  color: var(--primary-light);
  border: 1px solid rgba(124,58,237,0.2);
}

.badge-accent {
  background: rgba(6,182,212,0.15);
  color: var(--accent);
  border: 1px solid rgba(6,182,212,0.2);
}

.badge-success {
  background: rgba(16,185,129,0.15);
  color: var(--success);
  border: 1px solid rgba(16,185,129,0.2);
}

.badge-amber {
  background: rgba(245,158,11,0.15);
  color: var(--amber);
  border: 1px solid rgba(245,158,11,0.2);
}

.badge-free {
  background: rgba(16,185,129,0.15);
  color: #10B981;
  border: 1px solid rgba(16,185,129,0.3);
}

.badge-paid {
  background: rgba(245,158,11,0.15);
  color: #F59E0B;
  border: 1px solid rgba(245,158,11,0.3);
}

/* ===========================
   GRID UTILITIES
=========================== */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--gap-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap-lg); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap-lg); }

/* ===========================
   SCROLL ANIMATIONS
=========================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.fade-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.fade-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }

/* ===========================
   FLOATING WHATSAPP BUTTON
=========================== */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #25D366, #128C7E);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 30px rgba(37,211,102,0.4);
  z-index: var(--z-nav);
  transition: all var(--transition-med);
  cursor: pointer;
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1) translateY(-4px);
  box-shadow: 0 12px 40px rgba(37,211,102,0.5);
}

.whatsapp-float svg {
  width: 30px;
  height: 30px;
  fill: white;
}

.whatsapp-float::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(37,211,102,0.3);
  animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(1.5); opacity: 0; }
}

/* ===========================
   PAGE HEADER (inner pages)
   Always dark background — force white text regardless of theme
=========================== */
.page-header {
  background: var(--gradient-hero);
  padding: 9.75rem 0 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at center, rgba(124,58,237,0.15) 0%, transparent 70%);
  pointer-events: none;
}

/* Force white/light text — header has dark background in both themes */
.page-header h1,
.page-header .section-label {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  font-family: var(--font-primary);
  margin-bottom: 1rem;
  color: #F0F0FA !important;
  -webkit-text-fill-color: initial;
}

.page-header .gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-header .section-label {
  font-size: 0.8rem !important;
  background: rgba(6,182,212,0.15);
  border: 1px solid rgba(6,182,212,0.3);
  color: #22D3EE !important;
}

.page-header p {
  font-size: 1.15rem;
  color: rgba(240,240,250,0.75) !important;
  max-width: 600px;
  margin: 0 auto;
}

/* ===========================
   DIVIDER
=========================== */
.divider {
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  margin: 1.25rem auto;
}

.divider-left {
  margin: 1.25rem 0;
}

/* ===========================
   SKELETON LOADER
=========================== */
.skeleton {
  background: linear-gradient(90deg, var(--bg-glass) 25%, var(--bg-glass-hover) 50%, var(--bg-glass) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* ===========================
   SCROLLBAR
=========================== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-light); }

/* ===========================
   SELECTION
=========================== */
::selection {
  background: rgba(124,58,237,0.3);
  color: var(--text-primary);
}

/* ===========================
   RESPONSIVE
=========================== */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root {
    --container-pad: 1.25rem;
    --section-pad: 3.5rem;
  }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .btn-lg { padding: 0.875rem 2rem; font-size: 1rem; }
  /* Reduce WhatsApp float size on mobile */
  .whatsapp-float {
    width: 52px;
    height: 52px;
    bottom: 1.25rem;
    right: 1.25rem;
  }
  .whatsapp-float svg { width: 26px; height: 26px; }
  /* Page header smaller on mobile */
  .page-header { padding: 7.5rem 0 3rem; }
  .page-header h1 { font-size: clamp(1.8rem, 8vw, 3rem) !important; }
}

@media (max-width: 480px) {
  :root {
    --container-pad: 1rem;
    --section-pad: 3rem;
  }
  .whatsapp-float {
    width: 48px;
    height: 48px;
    bottom: 1rem;
    right: 1rem;
  }
}