@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;0,900;1,400;1,700&family=JetBrains+Mono:wght@300;400;500;700&family=Source+Serif+4:ital,wght@0,300;0,400;0,600;1,300;1,400&display=swap');

/* ───────────────────────────────── RESET & VARS ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #080808;
  --bg2:       #111111;
  --bg3:       #1A1A1A;
  --card:      #141414;
  --border:    #262626;
  --amber:     #E8A838;
  --amber2:    #C47F10;
  --amber-glow:rgba(232,168,56,0.12);
  --text:      #F0EBE0;
  --text2:     #9E9080;
  --text3:     #5C5550;
  --red:       #E85438;
  --green:     #52C87A;
  --font-head: 'Playfair Display', Georgia, serif;
  --font-body: 'Source Serif 4', Georgia, serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --radius:    6px;
  --radius-lg: 12px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow:    0 4px 24px rgba(0,0,0,0.6);
  --shadow-amber: 0 0 40px rgba(232,168,56,0.15);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ───────────────────────────────── TYPOGRAPHY ── */
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.2; }
h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); font-weight: 900; }
h2 { font-size: clamp(1.8rem, 3.5vw, 3rem); font-weight: 700; }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); font-weight: 600; }
h4 { font-size: 1.1rem; font-weight: 600; }
p { color: var(--text2); }
a { color: var(--amber); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--text); }
code, .mono { font-family: var(--font-mono); }

/* ───────────────────────────────── LAYOUT ── */
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 760px; margin: 0 auto; padding: 0 24px; }
section { padding: 96px 0; }

/* ───────────────────────────────── NAVBAR ── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 999;
  background: rgba(8,8,8,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 64px;
  display: flex; align-items: center;
  transition: background var(--transition);
}
.nav-inner {
  max-width: 1180px; margin: 0 auto; width: 100%;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-mono); font-size: 1.1rem; font-weight: 700;
  color: var(--text); letter-spacing: -0.02em;
  display: flex; align-items: center; gap: 8px;
}
.nav-logo span { color: var(--amber); }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { color: var(--text2); font-size: 0.9rem; font-family: var(--font-mono); font-weight: 500; transition: color var(--transition); }
.nav-links a:hover { color: var(--text); }
.nav-cta { 
  background: var(--amber); color: var(--bg) !important; 
  padding: 8px 20px; border-radius: var(--radius);
  font-weight: 700 !important; font-size: 0.85rem !important;
}
.nav-cta:hover { background: var(--amber2); color: var(--bg) !important; }
.hamburger { display: none; cursor: pointer; color: var(--text); }
.mobile-nav {
  display: none; position: fixed; top: 64px; left: 0; right: 0;
  background: var(--bg2); border-bottom: 1px solid var(--border);
  padding: 24px; z-index: 998; flex-direction: column; gap: 20px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a { color: var(--text2); font-family: var(--font-mono); font-size: 0.95rem; }

/* ───────────────────────────────── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 32px; border-radius: var(--radius);
  font-family: var(--font-mono); font-size: 0.9rem; font-weight: 700;
  border: none; cursor: pointer; transition: all var(--transition);
  letter-spacing: 0.02em; text-decoration: none;
}
.btn-primary {
  background: var(--amber); color: var(--bg);
}
.btn-primary:hover { background: var(--amber2); color: var(--bg); transform: translateY(-1px); box-shadow: 0 8px 30px rgba(232,168,56,0.3); }
.btn-outline {
  background: transparent; color: var(--amber);
  border: 1px solid var(--amber);
}
.btn-outline:hover { background: var(--amber-glow); transform: translateY(-1px); }
.btn-ghost {
  background: var(--bg3); color: var(--text);
}
.btn-ghost:hover { background: var(--border); }
.btn-large { padding: 18px 48px; font-size: 1rem; }
.btn-sm { padding: 8px 20px; font-size: 0.8rem; }

/* ───────────────────────────────── BADGE ── */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: 100px;
  font-family: var(--font-mono); font-size: 0.75rem; font-weight: 500;
  background: var(--amber-glow); color: var(--amber);
  border: 1px solid rgba(232,168,56,0.2);
}
.badge-green { background: rgba(82,200,122,0.1); color: var(--green); border-color: rgba(82,200,122,0.2); }
.badge-red { background: rgba(232,84,56,0.1); color: var(--red); border-color: rgba(232,84,56,0.2); }

/* ───────────────────────────────── CARDS ── */
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.card:hover { border-color: rgba(232,168,56,0.3); box-shadow: var(--shadow-amber); }

/* ───────────────────────────────── DIVIDER ── */
.divider {
  height: 1px; background: var(--border); margin: 0;
}
.divider--amber {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--amber), transparent);
}

/* ───────────────────────────────── SECTION LABELS ── */
.section-label {
  font-family: var(--font-mono); font-size: 0.75rem; font-weight: 700;
  color: var(--amber); letter-spacing: 0.15em; text-transform: uppercase;
  margin-bottom: 16px; display: block;
}

/* ───────────────────────────────── FORMS ── */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-family: var(--font-mono); font-size: 0.8rem; color: var(--text2); margin-bottom: 8px; letter-spacing: 0.05em; }
.form-input {
  width: 100%; padding: 12px 16px;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text);
  font-family: var(--font-body); font-size: 0.95rem;
  transition: border-color var(--transition);
  outline: none;
}
.form-input:focus { border-color: var(--amber); box-shadow: 0 0 0 3px rgba(232,168,56,0.1); }
.form-input::placeholder { color: var(--text3); }

/* ───────────────────────────────── TOAST ── */
.toast {
  position: fixed; bottom: 32px; right: 32px; z-index: 9999;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 20px;
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-mono); font-size: 0.85rem;
  box-shadow: var(--shadow); max-width: 360px;
  transform: translateY(100px); opacity: 0;
  transition: all 0.4s cubic-bezier(0.34,1.56,0.64,1);
  pointer-events: none;
}
.toast.show { transform: translateY(0); opacity: 1; pointer-events: auto; }
.toast.success { border-color: rgba(82,200,122,0.3); }
.toast.error { border-color: rgba(232,84,56,0.3); }
.toast-icon { font-size: 1.1rem; }

/* ───────────────────────────────── FOOTER ── */
footer {
  background: var(--bg2); border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
  margin-bottom: 48px;
}
.footer-brand p { font-size: 0.9rem; margin-top: 12px; }
.footer-col h4 { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text2); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 20px; }
.footer-col a { display: block; color: var(--text2); font-size: 0.9rem; margin-bottom: 10px; transition: color var(--transition); }
.footer-col a:hover { color: var(--amber); }
.footer-bottom { padding-top: 32px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { font-size: 0.8rem; font-family: var(--font-mono); }

/* ───────────────────────────────── HERO GRAIN ── */
.grain-overlay {
  position: fixed; inset: 0; pointer-events: none; z-index: 1;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' 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)'/%3E%3C/svg%3E");
}

/* ───────────────────────────────── LOADING ── */
.loading-spinner {
  width: 20px; height: 20px;
  border: 2px solid rgba(232,168,56,0.2);
  border-top-color: var(--amber);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ───────────────────────────────── ALERT ── */
.alert {
  padding: 14px 16px; border-radius: var(--radius);
  font-size: 0.9rem; border: 1px solid; margin-bottom: 16px;
}
.alert-success { background: rgba(82,200,122,0.08); border-color: rgba(82,200,122,0.25); color: var(--green); }
.alert-error { background: rgba(232,84,56,0.08); border-color: rgba(232,84,56,0.25); color: var(--red); }
.alert-info { background: var(--amber-glow); border-color: rgba(232,168,56,0.25); color: var(--amber); }

/* ───────────────────────────────── ACCORDION ── */
.accordion-item {
  border-bottom: 1px solid var(--border);
}
.accordion-header {
  width: 100%; background: none; border: none; cursor: pointer;
  padding: 20px 0; display: flex; justify-content: space-between; align-items: center;
  color: var(--text); font-family: var(--font-body); font-size: 1rem;
  text-align: left; transition: color var(--transition);
}
.accordion-header:hover { color: var(--amber); }
.accordion-icon { color: var(--amber); font-size: 1.2rem; transition: transform var(--transition); flex-shrink: 0; }
.accordion-header.open .accordion-icon { transform: rotate(45deg); }
.accordion-body { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.accordion-body-inner { padding: 0 0 20px; }
.accordion-body-inner p { font-size: 0.95rem; }

/* ───────────────────────────────── MODAL ── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.85);
  z-index: 2000; display: flex; align-items: center; justify-content: center;
  padding: 24px; opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease;
  backdrop-filter: blur(8px);
}
.modal-overlay.open { opacity: 1; pointer-events: auto; }
.modal {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 40px;
  width: 100%; max-width: 480px; max-height: 90vh; overflow-y: auto;
  transform: scale(0.95); transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1);
}
.modal-overlay.open .modal { transform: scale(1); }
.modal-close { float: right; background: none; border: none; color: var(--text2); cursor: pointer; font-size: 1.4rem; line-height: 1; }

/* ───────────────────────────────── PROGRESS BAR ── */
.progress-bar-wrap { background: var(--bg3); border-radius: 100px; height: 6px; overflow: hidden; }
.progress-bar-fill { height: 100%; background: linear-gradient(90deg, var(--amber2), var(--amber)); border-radius: 100px; transition: width 0.5s ease; }

/* ───────────────────────────────── RESPONSIVE ── */
@media (max-width: 768px) {
  section { padding: 64px 0; }
  .nav-links { display: none; }
  .hamburger { display: block; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  h1 { font-size: 2.2rem; }
}