/* index.css — Sabiora Design System & Custom Styles */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300..800;1,300..800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  /* Color Palette — Primary: #0C385B, Secondary: #0F1A2D */
  --color-bg: #F8FAFC;
  --color-bg-alt: #F1F5F9;
  --color-surface: #FFFFFF;
  --color-surface-translucent: rgba(255, 255, 255, 0.88);
  --color-card-bg: #FFFFFF;
  
  --color-primary: #0C385B;
  --color-primary-light: #1A5276;
  --color-secondary: #0F1A2D;
  --color-secondary-light: #1E2D4A;
  --color-text: #0F1A2D;
  --color-text-muted: #475569;
  --color-text-dim: #64748B;

  --color-accent: #0C385B;
  --color-accent-hover: #0F1A2D;
  --color-accent-light: #EBF3FA;
  --color-accent-border: #CBD5E1;

  --color-border: #E2E8F0;
  --color-border-hover: #CBD5E1;

  /* Typography */
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  /* Shadows & Glassmorphism */
  --shadow-sm: 0 2px 8px rgba(12, 56, 91, 0.04);
  --shadow-md: 0 8px 24px rgba(12, 56, 91, 0.08);
  --shadow-lg: 0 16px 36px rgba(12, 56, 91, 0.12);
  --shadow-hover: 0 20px 40px rgba(12, 56, 91, 0.12);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
}

/* Base Styles */
html {
  scroll-behavior: smooth;
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
}

body {
  overflow-x: hidden;
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6, .font-heading {
  font-family: var(--font-heading);
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-alt);
}

::-webkit-scrollbar-thumb {
  background: #D1C9BE;
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/* Header Backdrop Glassmorphism */
.header-glass {
  background-color: transparent;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all 0.3s ease;
}

.header-scrolled {
  box-shadow: 0 4px 20px rgba(12, 56, 91, 0.08);
  background-color: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--color-border);
}

/* Utility Animations for Scroll Reveal */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger Delay Helpers */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }

/* Custom Component Hover & Badge Styles */
.card-hover-effect {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, border-color 0.3s ease;
}

.card-hover-effect:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-accent-border);
}

.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
  transition: all 0.25s ease;
}

.btn-primary:hover {
  background-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(200, 109, 81, 0.25);
}

.btn-accent {
  background-color: var(--color-accent);
  color: #FFFFFF;
  transition: all 0.25s ease;
}

.btn-accent:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(200, 109, 81, 0.3);
}

.btn-outline {
  border: 1.5px solid var(--color-border-hover);
  color: var(--color-primary);
  background-color: transparent;
  transition: all 0.25s ease;
}

.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background-color: var(--color-accent-light);
  transform: translateY(-2px);
}

.badge-accent {
  background-color: var(--color-accent-light);
  color: var(--color-accent);
  border: 1px solid var(--color-accent-border);
}

/* Mobile Menu Animation */
#mobile-menu {
  transition: opacity 0.3s ease, transform 0.3s ease;
}

#mobile-menu.hidden {
  display: none;
  opacity: 0;
  transform: translateY(-10px);
}

#mobile-menu:not(.hidden) {
  display: block;
  opacity: 1;
  transform: translateY(0);
}