@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400;1,600&family=DM+Sans:wght@300;400;500;600&family=Playfair+Display:ital,wght@0,700;0,900;1,700&display=swap');

/* ── CSS Variables ── */
:root {
  --forest:    #0a1a0a;
  --forest-mid:#122612;
  --leaf:      #1e4020;
  --sage:      #4a7c59;
  --amber:     #e87c0c;
  --amber-lt:  #f5a73b;
  --gold:      #c8921a;
  --cream:     #fdf6ec;
  --cream-dk:  #f0e8d8;
  --warm:      #f9f3e8;
  --text:      #1a1208;
  --text-lt:   #4a3f2e;
  --white:     #ffffff;

  --radius-sm: 8px;
  --radius-md: 20px;
  --radius-lg: 40px;

  --shadow-sm: 0 4px 20px rgba(10,26,10,0.12);
  --shadow-md: 0 12px 50px rgba(10,26,10,0.18);
  --shadow-lg: 0 30px 80px rgba(10,26,10,0.25);

  --transition: 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ── Reset ── */
*, *::before, *::after {
  margin: 0; padding: 0; box-sizing: border-box;
}
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--forest); }
::-webkit-scrollbar-thumb { background: var(--amber); border-radius: 3px; }

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--forest);
  color: var(--cream);
  overflow-x: hidden;
  line-height: 1.6;
}

/* ── Shared Header / Nav ── */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 9999;
  padding: 18px 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}
header.scrolled {
  background: rgba(10, 26, 10, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(200, 146, 26, 0.2);
  padding: 12px 60px;
}

.logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 26px;
  font-weight: 600;
  color: var(--cream);
  letter-spacing: 3px;
  text-transform: uppercase;
  text-decoration: none;
  position: relative;
}
.logo span {
  color: var(--amber);
}

nav ul {
  list-style: none;
  display: flex;
  gap: 40px;
  align-items: center;
}
nav ul li a {
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(253,246,236,0.75);
  text-decoration: none;
  transition: var(--transition-fast);
  position: relative;
  padding-bottom: 4px;
}
nav ul li a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1.5px;
  background: var(--amber-lt);
  transition: width var(--transition-fast);
}
nav ul li a:hover { color: var(--cream); }
nav ul li a:hover::after { width: 100%; }
nav ul li a.active {
  color: var(--amber-lt);
}
nav ul li a.active::after { width: 100%; background: var(--amber); }

/* Nav CTA button */
nav ul li a.nav-cta {
  background: var(--amber);
  color: var(--forest);
  padding: 10px 24px;
  border-radius: 40px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
nav ul li a.nav-cta::after { display: none; }
nav ul li a.nav-cta:hover {
  background: var(--amber-lt);
  color: var(--forest);
  transform: translateY(-1px);
}

/* Hamburger (mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
  z-index: 10001;
  position: relative;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--cream);
  border-radius: 2px;
  display: block;
  transform-origin: center;
  transition: transform 0.3s ease, opacity 0.3s ease, width 0.3s ease;
}
/* X shape when open */
.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
  width: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Shared Section Styles ── */
.section-label {
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--amber);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.section-label::before {
  content: '';
  width: 30px; height: 1px;
  background: var(--amber);
  display: block;
}

.section-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 600;
  line-height: 1.1;
  color: var(--cream);
}
.section-title em {
  font-style: italic;
  color: var(--amber-lt);
}

/* ── Decorative Grain Overlay ── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
  z-index: 99998;
}

/* ── Utility ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}
.btn-primary {
  background: var(--amber);
  color: var(--forest);
}
.btn-primary:hover {
  background: var(--amber-lt);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(232,124,12,0.4);
}
.btn-outline {
  background: transparent;
  color: var(--cream);
  border: 1.5px solid rgba(253,246,236,0.35);
}
.btn-outline:hover {
  border-color: var(--amber);
  color: var(--amber-lt);
  transform: translateY(-2px);
}

/* Arrow icon */
.arrow-icon {
  width: 16px; height: 16px;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: rotate(45deg);
  flex-shrink: 0;
}

/* ── Footer ── */
footer {
  background: var(--forest);
  border-top: 1px solid rgba(200,146,26,0.15);
  padding: 60px 60px 30px;
}
.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(253,246,236,0.1);
}
.footer-brand .logo-footer {
  font-family: 'Cormorant Garamond', serif;
  font-size: 28px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--cream);
  margin-bottom: 16px;
  display: block;
}
.footer-brand .logo-footer span { color: var(--amber); }
.footer-brand p {
  font-size: 14px;
  color: rgba(253,246,236,0.55);
  line-height: 1.8;
  max-width: 280px;
}
.footer-col h4 {
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 20px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a {
  font-size: 14px;
  color: rgba(253,246,236,0.6);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.footer-col ul li a:hover { color: var(--cream); }
.footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(253,246,236,0.35);
}

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes slideRight {
  from { opacity: 0; transform: translateX(-40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes lineGrow {
  from { width: 0; }
  to   { width: 60px; }
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@keyframes floatY {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-12px); }
}
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 30px rgba(232,124,12,0.3); }
  50%       { box-shadow: 0 0 60px rgba(232,124,12,0.6); }
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s 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; }

/* ── Responsive ── */
@media (max-width: 1200px) {
  header { padding: 16px 36px; }
  header.scrolled { padding: 12px 36px; }
  nav ul { gap: 24px; }
  nav ul li a {
    font-size: 12px;
    letter-spacing: 1px;
  }
}

@media (max-width: 1024px) {
  header { padding: 14px 24px; }
  header.scrolled { padding: 10px 24px; }
  nav ul { gap: 14px; }
  nav ul li a {
    font-size: 11px;
    letter-spacing: 0.5px;
  }
  nav ul li a.nav-cta {
    padding: 8px 16px;
    font-size: 11px;
  }
}

@media (max-width: 960px) {
  /* Hide desktop nav, show hamburger */
  #main-nav { display: none; }
  .nav-toggle { display: flex; }

  /* Mobile nav drawer — slides down from header */
  #main-nav.open {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    /* Height fits content, not full screen */
    padding: 80px 0 32px;
    background: rgba(8, 20, 8, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(200, 146, 26, 0.2);
    z-index: 9998;
    animation: drawerDown 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
  }

  @keyframes drawerDown {
    from {
      opacity: 0;
      transform: translateY(-12px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  #main-nav.open ul {
    flex-direction: column;
    gap: 0;
    align-items: stretch;
    padding: 0 24px;
  }

  #main-nav.open ul li {
    border-bottom: 1px solid rgba(253, 246, 236, 0.07);
  }
  #main-nav.open ul li:last-child {
    border-bottom: none;
    padding-top: 16px;
    margin-top: 8px;
  }

  #main-nav.open ul li a {
    display: block;
    padding: 16px 8px;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 2px;
    color: rgba(253, 246, 236, 0.85);
    text-transform: uppercase;
  }
  #main-nav.open ul li a::after {
    display: none;
  }
  #main-nav.open ul li a:hover {
    color: var(--amber-lt);
    background: rgba(232, 124, 12, 0.06);
    padding-left: 16px;
    transition: all 0.2s ease;
  }
  #main-nav.open ul li a.active {
    color: var(--amber);
  }

  /* CTA button in mobile — full width pill */
  #main-nav.open ul li a.nav-cta {
    display: block;
    text-align: center;
    background: var(--amber);
    color: var(--forest);
    border-radius: 12px;
    padding: 14px 24px;
    font-weight: 700;
    letter-spacing: 1px;
  }
  #main-nav.open ul li a.nav-cta:hover {
    background: var(--amber-lt);
    padding-left: 24px;
  }

  /* Бүртгүүлэх button (nav-cta-sm) mobile-д */
  #main-nav.open ul li a.nav-cta-sm {
    display: block;
    text-align: center;
    border: 1px solid rgba(126,200,80,.4);
    border-radius: 12px;
    padding: 12px 24px;
    color: rgba(126,200,80,.9);
    font-size: 13px;
    letter-spacing: 1.5px;
  }

  /* User dropdown — mobile-д хавтгай жагсаалт болгох */
  #main-nav.open .nav-user-menu .nav-dropdown {
    display: block;
    position: static;
    background: none;
    border: none;
    box-shadow: none;
    padding: 0;
    min-width: unset;
    border-radius: 0;
  }
  #main-nav.open .nav-user-menu .nav-dropdown li a {
    padding: 14px 8px 14px 24px;
    font-size: 13px;
    letter-spacing: 1px;
    color: rgba(253,246,236,0.6);
    text-transform: none;
  }
  #main-nav.open .nav-user-trigger { display: none; }

  /* Footer adjustments */
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 480px) {
  header { padding: 14px 18px; }
  .logo { font-size: 20px; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
}