/**
 * SIXTEEN MART — Base Styles, CSS Variables & Design System
 * Primary Coral Orange: #FF6F59 (from brand guideline)
 * ORANGE-DOMINANT: gradient background, frosted glass surfaces
 */
:root {
  /* Brand Palette (from brand guideline) */
  --brand-orange: #FF6F59;
  --brand-orange-light: #FF8F7C;
  --brand-orange-deep: #E5391F;
  --brand-orange-dark: #D84C35;
  --brand-orange-soft: #FFF0ED;
  --brand-teal: #1B4D4A;
  --brand-ivory: #FFF8F0;
  --brand-charcoal: #2B2B2B;
  --brand-mustard: #F2B134;

  /* Theme: Light (Default) — Orange-dominant */
  --bg: #FF6F59;
  --surface: #FFFFFF;
  --surface-subtle: #F8F9FA;
  --surface-card: #FFFFFF;
  --text: #2B2B2B;
  --text-muted: #6B7280;
  --text-inverse: #FFFFFF;
  --border: #E5E7EB;
  --border-light: #F3F4F6;

  /* Page gradient — the main background */
  --page-gradient: linear-gradient(165deg, #FF8F7C 0%, #FF6F59 38%, #F2492F 75%, #E5391F 100%);

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.22);
  --glass-bg-card: rgba(255, 255, 255, 0.62);
  --glass-bg-panel: rgba(255, 248, 240, 0.88);
  --glass-border: rgba(255, 255, 255, 0.55);
  --glass-blur: 18px;
  --glass-shadow: 0 10px 34px rgba(120, 30, 10, 0.20), inset 0 1px 0 rgba(255, 255, 255, 0.6);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(120, 30, 10, 0.08);
  --shadow-md: 0 4px 20px rgba(120, 30, 10, 0.14);
  --shadow-lg: 0 10px 30px rgba(120, 30, 10, 0.22);
  --shadow-orange: 0 6px 20px rgba(255, 111, 89, 0.35);

  /* Layout & Sizing */
  --nav-height: 84px;
  --nav-height-mobile: 64px;
  --max-width: 1240px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 9999px;

  /* WhatsApp Icon Sizes */
  --wa-icon-card: 28px;
  --wa-icon-card-mobile: 26px;
  --wa-icon-modal: 24px;
  --wa-icon-floating: 34px;
  --wa-icon-tab: 28px;
  --wa-icon-footer: 26px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 220ms ease;
  --transition-slow: 350ms cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
  --bg: #1E1411;
  --surface: #2B1A14;
  --surface-subtle: #331E16;
  --surface-card: #2B1A14;
  --text: #F3F4F6;
  --text-muted: #9CA3AF;
  --text-inverse: #1E1411;
  --border: #4A2E22;
  --border-light: #3D2419;

  --brand-orange-soft: rgba(255, 111, 89, 0.18);

  --page-gradient: linear-gradient(165deg, #2B1A14 0%, #1E1411 50%, #1A0F0B 100%);

  --glass-bg: rgba(255, 255, 255, 0.07);
  --glass-bg-card: rgba(255, 255, 255, 0.10);
  --glass-bg-panel: rgba(43, 26, 20, 0.92);
  --glass-border: rgba(255, 255, 255, 0.10);
  --glass-shadow: 0 10px 34px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.06);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.65);
  --shadow-orange: 0 6px 20px rgba(255, 111, 89, 0.35);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--page-gradient);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background var(--transition-base), color var(--transition-base);
  overflow-x: hidden;
  position: relative;
}

/* Decorative radial glows behind glass surfaces */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 60% 50% at 15% 25%, rgba(255, 248, 240, 0.16) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 80% 60%, rgba(242, 177, 52, 0.12) 0%, transparent 65%),
    radial-gradient(ellipse 70% 45% at 50% 85%, rgba(255, 248, 240, 0.14) 0%, transparent 60%);
}

main {
  flex: 1 0 auto;
  position: relative;
  z-index: 1;
}

img, picture, svg, video {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
}

button {
  cursor: pointer;
  touch-action: manipulation;
}

ul, ol {
  list-style: none;
}

/* Accessible tap target & focus */
:focus-visible {
  outline: 3px solid rgba(255, 255, 255, 0.8);
  outline-offset: 3px;
}

/* ==========================================================
   REUSABLE GLASS CLASS
   ========================================================== */
.glass {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(170%);
  backdrop-filter: blur(var(--glass-blur)) saturate(170%);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.glass-card {
  background: var(--glass-bg-card);
  -webkit-backdrop-filter: blur(16px) saturate(170%);
  backdrop-filter: blur(16px) saturate(170%);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius-lg);
}

.glass-panel {
  background: var(--glass-bg-panel);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius-lg);
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass { background: rgba(255, 248, 240, 0.92); }
  .glass-card { background: rgba(255, 248, 240, 0.95); }
  .glass-panel { background: rgba(255, 248, 240, 0.96); }
}

@media (prefers-reduced-transparency: reduce) {
  .glass { background: rgba(255, 248, 240, 0.95); }
  .glass-card { background: rgba(255, 248, 240, 0.97); }
  .glass-panel { background: rgba(255, 248, 240, 0.98); }
}

/* ==========================================================
   BUTTON COMPONENT STYLES
   ========================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-pill);
  transition: all var(--transition-base);
  min-height: 44px;
  white-space: nowrap;
  user-select: none;
}

.btn-primary {
  background-color: var(--brand-orange-deep);
  color: #FFFFFF !important;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: #C8301A;
  transform: translateY(-2px);
  box-shadow: var(--shadow-orange);
}

.btn-secondary {
  background-color: var(--surface);
  color: var(--text);
  border: 1.5px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--brand-orange);
  color: var(--brand-orange-deep);
  background-color: var(--brand-orange-soft);
}

/* ==========================================================
   UTILITY CONTAINERS
   ========================================================== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

@media (max-width: 768px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
}

.section-header {
  text-align: center;
  margin-bottom: 36px;
}

/* Section titles on the orange background: white, bold */
.section-title {
  font-family: 'Montserrat', 'Inter', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
  text-shadow: 0 2px 12px rgba(120, 30, 10, 0.25);
}

@media (max-width: 768px) {
  .section-title {
    font-size: 1.6rem;
  }
}