/* ================================================
   AIMA — Design System
   Palette: Warm ivory, deep espresso, antique gold
   Type: Cormorant Garamond (display) + Inter (body)
   ================================================ */

/* ── Tokens ── */
:root {
  --gold:        #9A7B4F;
  --gold-light:  #C4A882;
  --gold-pale:   #E8D9C0;
  --espresso:    #1C1410;
  --brown-mid:   #4A3728;
  --ivory:       #FAF8F5;
  --ivory-warm:  #F2EDE6;
  --white:       #FFFFFF;
  --text-main:   #2C2118;
  --text-muted:  #7A6A5A;
  --border:      rgba(154,123,79,0.2);

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-accent:  'Playfair Display', Georgia, serif;

  --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);

  --radius-sm: 2px;
  --radius-md: 6px;
  --radius-lg: 16px;

  --shadow-gold: 0 4px 24px rgba(154,123,79,0.15);
  --shadow-deep: 0 20px 60px rgba(28,20,16,0.2);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--ivory);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--ivory-warm); }
::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 3px; }

/* ── Page Loader ── */
#page-loader {
  position: fixed; inset: 0;
  background: var(--espresso);
  z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column;
  transition: opacity 0.6s var(--ease-smooth), visibility 0.6s;
}
#page-loader.hidden { opacity: 0; visibility: hidden; }

.loader-logo {
  font-family: var(--font-display);
  font-size: 2.5rem; font-weight: 300;
  color: var(--white);
  letter-spacing: 0.3em; text-transform: uppercase;
  opacity: 0;
  animation: loaderFadeIn 0.8s 0.3s var(--ease-smooth) forwards;
}
.loader-line {
  width: 0; height: 1px;
  background: var(--gold);
  margin-top: 16px;
  animation: loaderLine 1.2s 0.5s var(--ease-out) forwards;
}
.loader-sub {
  font-family: var(--font-body);
  font-size: 0.65rem; letter-spacing: 0.4em;
  color: var(--gold-light); text-transform: uppercase;
  margin-top: 12px; opacity: 0;
  animation: loaderFadeIn 0.8s 1s var(--ease-smooth) forwards;
}
@keyframes loaderFadeIn { to { opacity: 1; } }
@keyframes loaderLine { to { width: 200px; } }

/* ── Header / Nav ── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100; padding: 0 48px; height: 80px;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(250,248,245,0.0);
  backdrop-filter: blur(0px);
  border-bottom: 1px solid transparent;
  transition: all 0.5s var(--ease-smooth);
}
.site-header.scrolled {
  background: rgba(250,248,245,0.96);
  backdrop-filter: blur(20px);
  border-bottom-color: var(--border);
  height: 64px;
  box-shadow: 0 2px 30px rgba(28,20,16,0.08);
}
.header-logo { display: flex; align-items: center; gap: 12px; }
.logo-mark {
  width: 48px; height: 48px;
  border: 1.5px solid rgba(255,255,255,0.6);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.4s var(--ease-spring), border-color 0.5s var(--ease-smooth);
  color: rgba(255,255,255,0.9);
}
.logo-mark:hover { transform: rotate(15deg) scale(1.05); }
.logo-mark svg { width: 24px; height: 24px; }
.site-header.scrolled .logo-mark { color: var(--gold); }
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-name { font-family: var(--font-display); font-size: 1.4rem; font-weight: 500; letter-spacing: 0.15em; color: var(--white); transition: color 0.5s var(--ease-smooth); }
.logo-tagline { font-size: 0.55rem; letter-spacing: 0.35em; color: rgba(255,255,255,0.65); text-transform: uppercase; margin-top: 3px; transition: color 0.5s var(--ease-smooth); }
.site-header.scrolled .logo-name { color: var(--espresso); }
.site-header.scrolled .logo-tagline { color: var(--gold); }
.site-header.scrolled .logo-mark { border-color: var(--gold); }

.site-nav { display: flex; align-items: center; gap: 36px; }
.nav-link {
  font-size: 0.72rem; font-weight: 500; letter-spacing: 0.2em;
  text-transform: uppercase; color: rgba(255,255,255,0.85);
  position: relative; padding-bottom: 2px; transition: color 0.3s;
}
.site-header.scrolled .nav-link { color: var(--text-main); }
.nav-link::after {
  content: ''; position: absolute; bottom: -2px; left: 0;
  width: 0; height: 1px; background: var(--gold);
  transition: width 0.4s var(--ease-smooth);
}
.nav-link:hover, .nav-link.active { color: var(--gold); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.nav-login-btn {
  display: flex; align-items: center; gap: 8px;
  padding: 9px 20px; border: 1px solid var(--gold);
  border-radius: 30px; font-size: 0.72rem; font-weight: 500;
  letter-spacing: 0.15em; text-transform: uppercase; color: var(--gold);
  transition: all 0.35s var(--ease-smooth);
  position: relative; overflow: hidden;
}
.nav-login-btn::before {
  content: ''; position: absolute; inset: 0;
  background: var(--gold); transform: translateX(-101%);
  transition: transform 0.35s var(--ease-smooth);
}
.nav-login-btn:hover { color: var(--white); }
.nav-login-btn:hover::before { transform: translateX(0); }
.nav-login-btn span, .nav-login-btn svg { position: relative; z-index: 1; }
.nav-login-btn svg { width: 14px; height: 14px; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 1.5px; background: rgba(255,255,255,0.85); transition: all 0.3s var(--ease-smooth); transform-origin: center; }
.site-header.scrolled .nav-toggle span { background: var(--espresso); }
.nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-nav {
  display: none; position: fixed; top: 64px; left: 0; right: 0;
  background: var(--ivory); border-bottom: 1px solid var(--border);
  padding: 24px 32px; flex-direction: column; gap: 20px;
  box-shadow: var(--shadow-deep); z-index: 99;
  transform: translateY(-10px); opacity: 0;
  transition: all 0.3s var(--ease-smooth);
}
.mobile-nav.open { display: flex; transform: translateY(0); opacity: 1; }

/* ── Page Hero Banner ── */
.page-hero {
  padding: 160px 48px 80px;
  background: linear-gradient(135deg, var(--espresso) 0%, var(--brown-mid) 100%);
  position: relative; overflow: hidden; text-align: center;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%239A7B4F' fill-opacity='0.06'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.page-hero-breadcrumb { font-size: 0.7rem; letter-spacing: 0.25em; text-transform: uppercase; color: var(--gold-light); margin-bottom: 16px; }
.page-hero-breadcrumb a { color: var(--gold-light); opacity: 0.7; transition: opacity 0.2s; }
.page-hero-breadcrumb a:hover { opacity: 1; }
.page-hero h1 { font-family: var(--font-display); font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 300; color: var(--white); letter-spacing: 0.1em; text-transform: uppercase; position: relative; }
.page-hero-line { width: 60px; height: 1px; background: var(--gold); margin: 20px auto 0; position: relative; }

/* ── Section Shared ── */
.section { padding: 100px 48px; }
.section-eyebrow { font-size: 0.65rem; font-weight: 600; letter-spacing: 0.4em; text-transform: uppercase; color: var(--gold); margin-bottom: 12px; }
.section-title { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 300; color: var(--espresso); line-height: 1.15; margin-bottom: 20px; }
.section-title em { font-style: italic; color: var(--gold); }
.section-divider { width: 40px; height: 1.5px; background: var(--gold); margin-bottom: 24px; }
.section-body { font-size: 0.95rem; line-height: 1.85; color: var(--text-muted); max-width: 560px; }
.container { max-width: 1200px; margin: 0 auto; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 32px; font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase;
  border-radius: 2px; transition: all 0.35s var(--ease-smooth);
  position: relative; overflow: hidden;
}
.btn-gold { background: var(--gold); color: var(--white); }
.btn-gold::before { content: ''; position: absolute; inset: 0; background: var(--brown-mid); transform: translateX(-101%); transition: transform 0.35s var(--ease-smooth); }
.btn-gold:hover::before { transform: translateX(0); }
.btn-gold span, .btn-gold svg { position: relative; z-index: 1; }
.btn-gold:hover { box-shadow: 0 8px 30px rgba(154,123,79,0.35); transform: translateY(-2px); }
.btn-outline { border: 1.5px solid var(--gold); color: var(--gold); }
.btn-outline::before { content: ''; position: absolute; inset: 0; background: var(--gold); transform: translateX(-101%); transition: transform 0.35s var(--ease-smooth); }
.btn-outline:hover { color: var(--white); }
.btn-outline:hover::before { transform: translateX(0); }
.btn-outline span { position: relative; z-index: 1; }
.btn-white { background: var(--white); color: var(--espresso); }
.btn-white:hover { background: var(--gold-pale); transform: translateY(-2px); }

/* ── Forms ── */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 6px; }
.form-control {
  width: 100%; padding: 13px 18px;
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: 0.9rem;
  color: var(--text-main); transition: border-color 0.3s, box-shadow 0.3s; outline: none;
}
.form-control::placeholder { color: #B8A898; }
.form-control:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(154,123,79,0.1); }
textarea.form-control { resize: vertical; min-height: 120px; }

/* ── Scroll Animations ── */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s var(--ease-smooth), transform 0.8s var(--ease-smooth); }
.reveal.revealed { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-40px); transition: opacity 0.9s var(--ease-smooth), transform 0.9s var(--ease-smooth); }
.reveal-left.revealed { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(40px); transition: opacity 0.9s var(--ease-smooth), transform 0.9s var(--ease-smooth); }
.reveal-right.revealed { opacity: 1; transform: translateX(0); }
.reveal-scale { opacity: 0; transform: scale(0.92); transition: opacity 0.8s var(--ease-smooth), transform 0.8s var(--ease-smooth); }
.reveal-scale.revealed { opacity: 1; transform: scale(1); }
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }

/* ── Gold Ink Line ── */
.ink-line { position: relative; display: inline-block; }
.ink-line::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: linear-gradient(90deg, var(--gold), var(--gold-light)); transition: width 1.2s var(--ease-out); border-radius: 2px; }
.ink-line.revealed::after { width: 100%; }

/* ── Footer ── */
.site-footer { background: var(--espresso); color: rgba(255,255,255,0.75); position: relative; overflow: hidden; }
.site-footer::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--gold), transparent); }
.footer-main { padding: 80px 48px 60px; display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 48px; max-width: 1200px; margin: 0 auto; }
.footer-brand .logo-name { color: var(--white); font-size: 1.2rem; }
.footer-brand .logo-tagline { color: var(--gold-light); }
.footer-desc { font-size: 0.85rem; line-height: 1.8; color: rgba(255,255,255,0.5); margin-top: 20px; max-width: 240px; }
.footer-col h4 { font-size: 0.65rem; font-weight: 600; letter-spacing: 0.35em; text-transform: uppercase; color: var(--gold); margin-bottom: 20px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 0.85rem; color: rgba(255,255,255,0.55); transition: color 0.3s, transform 0.3s; display: inline-block; }
.footer-links a:hover { color: var(--gold-light); transform: translateX(4px); }
.footer-form .form-control { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.12); color: var(--white); font-size: 0.85rem; padding: 11px 16px; }
.footer-form .form-control::placeholder { color: rgba(255,255,255,0.3); }
.footer-form .form-control:focus { border-color: var(--gold); background: rgba(255,255,255,0.1); }
.footer-form .btn-gold { width: 100%; justify-content: center; margin-top: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding: 24px 48px; max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; }
.footer-copy { font-size: 0.75rem; color: rgba(255,255,255,0.3); letter-spacing: 0.05em; }
.footer-legal { display: flex; gap: 24px; }
.footer-legal a { font-size: 0.75rem; color: rgba(255,255,255,0.3); transition: color 0.3s; }
.footer-legal a:hover { color: var(--gold-light); }

/* ── CTA Band (shared: home, about) ── */
.cta-band { padding: 100px 48px; position: relative; overflow: hidden; }
.cta-bg { position: absolute; inset: 0; background: linear-gradient(135deg, var(--espresso) 0%, var(--brown-mid) 100%); z-index: 0; }
.cta-bg::before { content: ''; position: absolute; inset: 0; background: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%239A7B4F' fill-opacity='0.05'%3E%3Ccircle cx='40' cy='40' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); }
.cta-inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; max-width: 1200px; margin: 0 auto; }
@media (max-width: 768px) { .cta-band { padding: 64px 20px; } .cta-inner { flex-direction: column; text-align: center; } }

/* ── Cursor Glow ── */
.cursor-glow { position: fixed; width: 300px; height: 300px; border-radius: 50%; pointer-events: none; z-index: 0; background: radial-gradient(circle, rgba(154,123,79,0.06) 0%, transparent 70%); transform: translate(-50%, -50%); transition: left 0.8s var(--ease-smooth), top 0.8s var(--ease-smooth); }

/* ── Back to Top ── */
.back-to-top { position: fixed; bottom: 32px; right: 32px; width: 44px; height: 44px; background: var(--gold); color: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transform: translateY(10px); transition: all 0.4s var(--ease-smooth); box-shadow: var(--shadow-gold); z-index: 50; }
.back-to-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-to-top:hover { background: var(--brown-mid); transform: translateY(-3px); }
.back-to-top svg { width: 18px; height: 18px; }

/* ── Toast ── */
.toast { position: fixed; bottom: 32px; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--espresso); color: var(--white); padding: 14px 28px; border-radius: 4px; font-size: 0.85rem; letter-spacing: 0.05em; border-left: 3px solid var(--gold); opacity: 0; transition: all 0.4s var(--ease-smooth); z-index: 9998; white-space: nowrap; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .site-header { padding: 0 32px; }
  .section { padding: 80px 32px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 40px; padding: 60px 32px 40px; }
  .footer-bottom { padding: 20px 32px; }
}
@media (max-width: 768px) {
  .site-header { padding: 0 20px; }
  .site-nav { display: none; }
  .nav-toggle { display: flex; }
  .section { padding: 64px 20px; }
  .page-hero { padding: 130px 20px 60px; }
  .page-hero h1 { font-size: clamp(2rem, 8vw, 3rem); }
  .footer-main { grid-template-columns: 1fr; padding: 48px 20px 32px; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; padding: 20px; }
  .footer-legal { gap: 16px; }
  .section-title { font-size: clamp(1.8rem, 6vw, 2.8rem); }
  .btn { padding: 12px 24px; font-size: 0.68rem; }
}
@media (max-width: 480px) {
  .logo-tagline { display: none; }
  .section { padding: 48px 16px; }
  .page-hero { padding: 110px 16px 48px; }
  .container { padding: 0 4px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}