/* ============================================================
   global.css — Shared styles: reset, variables, nav, footer
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@600;700;800&family=DM+Sans:wght@300;400;500;600&display=swap');

/* --- CSS Variables --- */
:root {
  /* Colors */
  --color-bg: #F7F4EF;
  --color-surface: #FFFFFF;
  --color-navy: #0D1B2A;
  --color-navy-mid: #1A2E45;
  --color-navy-light: #2C4A6E;
  --color-saffron: #F5A623;
  --color-saffron-dark: #D4881A;
  --color-saffron-light: #FDD07A;
  --color-cream: #FFF8EC;
  --color-text: #1A1A2E;
  --color-text-muted: #5A6A7A;
  --color-text-light: #8FA0B5;
  --color-border: #E0D9CE;
  --color-border-dark: #C8BFB0;

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(13,27,42,0.08), 0 1px 2px rgba(13,27,42,0.06);
  --shadow-md: 0 4px 16px rgba(13,27,42,0.10), 0 2px 6px rgba(13,27,42,0.06);
  --shadow-lg: 0 12px 40px rgba(13,27,42,0.14), 0 4px 12px rgba(13,27,42,0.08);
  --shadow-xl: 0 24px 64px rgba(13,27,42,0.18), 0 8px 24px rgba(13,27,42,0.10);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-med: 280ms ease;
  --transition-slow: 400ms ease;

  /* Layout */
  --container-max: 1200px;
  --nav-height: 68px;
}

/* --- Reset --- */
*, *::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: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg {
  display: block;
  max-width: 100%;
}

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

ul, ol {
  list-style: none;
}

button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  background: none;
}

input, select, textarea {
  font-family: var(--font-body);
  font-size: 16px; /* prevent iOS zoom */
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-8);
  }
}

/* ============================================================
   Navigation
   ============================================================ */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(247, 244, 239, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-med);
}

.site-nav.scrolled {
  box-shadow: var(--shadow-md);
}

.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

.site-nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-navy);
  letter-spacing: -0.01em;
}

.site-nav__logo-icon {
  width: 36px;
  height: 36px;
  background: var(--color-navy);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.site-nav__logo-icon svg {
  width: 20px;
  height: 20px;
  color: var(--color-saffron);
}

.site-nav__links {
  display: none;
  align-items: center;
  gap: var(--space-8);
}

.site-nav__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  position: relative;
}

.site-nav__link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-saffron);
  transform: scaleX(0);
  transition: transform var(--transition-med);
  transform-origin: left;
}

.site-nav__link:hover,
.site-nav__link.active {
  color: var(--color-navy);
}

.site-nav__link:hover::after,
.site-nav__link.active::after {
  transform: scaleX(1);
}

.site-nav__cta {
  display: none;
  padding: 10px 20px;
  background: var(--color-navy);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.site-nav__cta:hover {
  background: var(--color-navy-mid);
  transform: translateY(-1px);
}

.site-nav__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  cursor: pointer;
  padding: 0;
  background: none;
  border: none;
  z-index: 1001;
}

.site-nav__hamburger span {
  display: block;
  height: 2px;
  background: var(--color-navy);
  border-radius: 2px;
  transition: transform var(--transition-med), opacity var(--transition-med);
}

.site-nav__hamburger.open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.site-nav__hamburger.open span:nth-child(2) {
  opacity: 0;
}

.site-nav__hamburger.open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Menu */
.site-nav__mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-6) var(--space-5);
  box-shadow: var(--shadow-lg);
  z-index: 999;
  flex-direction: column;
  gap: var(--space-4);
  animation: slideDown 250ms ease;
}

.site-nav__mobile-menu.open {
  display: flex;
}

.site-nav__mobile-link {
  display: block;
  padding: 12px 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition-fast);
  min-height: 44px;
  display: flex;
  align-items: center;
}

.site-nav__mobile-link:last-child {
  border-bottom: none;
}

.site-nav__mobile-link:hover {
  color: var(--color-navy);
}

.site-nav__mobile-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 20px;
  background: var(--color-navy);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  min-height: 44px;
  margin-top: var(--space-2);
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (min-width: 768px) {
  .site-nav__links { display: flex; }
  .site-nav__cta { display: inline-flex; align-items: center; }
  .site-nav__hamburger { display: none; }
  .site-nav__mobile-menu { display: none !important; }
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--color-navy);
  color: #fff;
  padding: var(--space-16) 0 var(--space-8);
  margin-top: var(--space-24);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

@media (min-width: 640px) {
  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .site-footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.site-footer__brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--space-4);
}

.site-footer__brand-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: var(--color-saffron);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.site-footer__brand-logo .logo-icon svg {
  width: 20px;
  height: 20px;
  color: var(--color-navy);
}

.site-footer__tagline {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
  max-width: 260px;
}

.site-footer__col-title {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: var(--space-4);
}

.site-footer__col-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.site-footer__col-link {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.65);
  transition: color var(--transition-fast);
}

.site-footer__col-link:hover {
  color: var(--color-saffron);
}

.site-footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-top: var(--space-8);
  align-items: center;
  text-align: center;
}

@media (min-width: 640px) {
  .site-footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.site-footer__copy {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
}

.site-footer__made {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
}

.site-footer__made span {
  color: var(--color-saffron);
}

/* ============================================================
   Buttons (shared)
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-body);
  transition: all var(--transition-med);
  cursor: pointer;
  border: 2px solid transparent;
  min-height: 44px;
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-saffron);
  color: var(--color-navy);
}

.btn--primary:hover {
  background: var(--color-saffron-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245,166,35,0.35);
}

.btn--secondary {
  background: transparent;
  color: var(--color-navy);
  border-color: var(--color-navy);
}

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

.btn--ghost {
  background: rgba(255,255,255,0.12);
  color: #fff;
  border-color: rgba(255,255,255,0.25);
}

.btn--ghost:hover {
  background: rgba(255,255,255,0.22);
  transform: translateY(-1px);
}

.btn--lg {
  padding: 15px 32px;
  font-size: 1rem;
  border-radius: var(--radius-md);
}

.btn--sm {
  padding: 8px 16px;
  font-size: 0.8rem;
}

/* ============================================================
   Utility classes
   ============================================================ */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.text-center { text-align: center; }
.text-saffron { color: var(--color-saffron); }

/* Scroll animation utility */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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