/* ============================================
   ODOMATE WEBSITE – GLOBAL STYLES & DESIGN SYSTEM
   ============================================ */

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

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* ──── Design Tokens ──── */
:root {
  /* Colors */
  --color-primary: #4ECDC4;
  --color-primary-dark: #3BB8AF;
  --color-primary-light: #7DDDD5;
  --color-primary-glow: rgba(78, 205, 196, 0.15);
  --color-accent: #FF6600;
  --color-accent-hover: #E05A00;
  --color-accent-glow: rgba(255, 102, 0, 0.2);
  --color-danger: #E74C3C;
  --color-danger-bg: rgba(231, 76, 60, 0.08);
  --color-success: #27AE60;
  --color-success-bg: rgba(39, 174, 96, 0.08);
  --color-bg: #FFFFFF;
  --color-bg-alt: #F7FAFB;
  --color-bg-dark: #0D1B2A;
  --color-text: #2D3436;
  --color-text-light: #636E72;
  --color-text-muted: #95A5A6;
  --color-border: #E0E6E8;
  --color-border-light: #F0F3F4;
  --color-whatsapp: #25D366;

  /* Typography */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Open Sans', sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  /* Sizing */
  --max-width: 1200px;
  --max-width-narrow: 900px;
  --header-height: 72px;

  /* Borders & Shadows */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.12);
  --shadow-accent: 0 4px 20px rgba(255, 102, 0, 0.3);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); font-weight: 600; }
h4 { font-size: 1.15rem; font-weight: 600; }

p { margin-bottom: 1rem; color: var(--color-text-light); }

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ──── Layout ──── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-narrow {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-2xl) 0;
}

.section-alt {
  padding: var(--space-2xl) 0;
  background: var(--color-bg-alt);
}

.section-dark {
  padding: var(--space-2xl) 0;
  background: var(--color-bg-dark);
  color: #fff;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-header h2 {
  margin-bottom: var(--space-sm);
}

.section-header p {
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.1rem;
}

/* ──── Buttons ──── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(-100%);
  transition: transform var(--transition);
}

.btn:hover::after {
  transform: translateX(0);
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: var(--shadow-accent);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(255, 102, 0, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}

.btn-white {
  background: #fff;
  color: var(--color-primary);
}

.btn-white:hover {
  background: #f0f0f0;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: 0.6rem 1.5rem;
  font-size: 0.9rem;
}

/* ──── Accordion ──── */
.accordion {
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  margin-bottom: var(--space-sm);
  background: #fff;
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.accordion:hover {
  box-shadow: var(--shadow-sm);
}

.accordion-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.15rem 1.5rem;
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-text);
  transition: all var(--transition);
  user-select: none;
}

.accordion-header:hover {
  color: var(--color-primary);
}

.accordion-header .icon {
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--transition);
}

.accordion-header .chevron {
  margin-left: auto;
  font-size: 0.8rem;
  transition: transform var(--transition);
  color: var(--color-text-muted);
}

.accordion.active .accordion-header .chevron {
  transform: rotate(180deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.accordion-content {
  padding: 0 1.5rem 1.25rem;
  padding-left: calc(1.5rem + 36px + 0.75rem);
  color: var(--color-text-light);
  line-height: 1.8;
}

.accordion-content p { margin-bottom: 0.5rem; }

/* Accordion color variants */
.accordion-danger .accordion-header .icon {
  background: var(--color-danger-bg);
  color: var(--color-danger);
}

.accordion-success .accordion-header .icon {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.accordion-primary .accordion-header .icon {
  background: var(--color-primary-glow);
  color: var(--color-primary);
}

/* ──── Cards ──── */
.card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition);
}

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

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius);
  background: var(--color-primary-glow);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: var(--space-md);
}

.card h3 {
  margin-bottom: var(--space-xs);
}

/* ──── Grid Layouts ──── */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

/* ──── Stats ──── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  text-align: center;
}

.stat-item .stat-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  display: block;
}

.stat-item .stat-label {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-top: 0.25rem;
}

/* ──── Badge ──── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.85rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font-heading);
  letter-spacing: 0.02em;
}

.badge-primary {
  background: var(--color-primary-glow);
  color: var(--color-primary);
}

/* ──── Scroll Reveal Animation ──── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ──── Forms ──── */
.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.form-control {
  width: 100%;
  padding: 0.9rem 1.2rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  color: var(--color-text);
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.form-control::placeholder {
  color: var(--color-text-muted);
}

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

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23636E72' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* ──── Divider ──── */
.divider {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 2px;
  margin: var(--space-sm) auto var(--space-md);
}

/* ──── WhatsApp Widget ──── */
.whatsapp-widget {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 1000;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-whatsapp);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.8rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: all var(--transition);
  animation: pulse-wa 2s infinite;
}

.whatsapp-widget:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

@keyframes pulse-wa {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6), 0 0 0 10px rgba(37, 211, 102, 0.1); }
}

/* ──── Back to Top ──── */
.back-to-top {
  position: fixed;
  bottom: 100px;
  right: 34px;
  z-index: 999;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition);
  opacity: 0;
  pointer-events: none;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: all;
}

.back-to-top:hover {
  transform: translateY(-3px);
  background: var(--color-primary-dark);
}

/* ──── 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) {
  .section { padding: var(--space-xl) 0; }
  .section-alt { padding: var(--space-xl) 0; }
  .section-dark { padding: var(--space-xl) 0; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .btn-lg { padding: 0.85rem 2rem; font-size: 1rem; }
  .whatsapp-widget { width: 52px; height: 52px; font-size: 1.5rem; bottom: 20px; right: 20px; }
  .back-to-top { bottom: 82px; right: 24px; }
}