/* ═══════════════════════════════════════════════════════════
   MARS LAND REGISTRY — Core Stylesheet
   Design: Luxury Space-Age × Antique Cartography
═══════════════════════════════════════════════════════════ */

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

/* ── TOKENS ─────────────────────────────────────────────── */
:root {
  /* Palette */
  --void:       #060408;
  --cosmos:     #0c0810;
  --deep:       #120d18;
  --surface:    #1c1424;
  --surface2:   #251b30;
  --surface3:   #2f2340;

  --rust:       #b94030;
  --rust2:      #d4503c;
  --rust3:      #e8614a;
  --rust-glow:  rgba(184,64,48,0.35);

  --gold:       #c8962a;
  --gold2:      #ddb040;
  --gold3:      #f0c84a;
  --gold-glow:  rgba(200,150,42,0.25);

  --parchment:  #e8d5b0;
  --parchment2: #f2e4c8;
  --parchment3: #faf3e6;

  --text:       #ede0cc;
  --text2:      #c8b898;
  --text3:      #9a8870;
  --text4:      #6a5848;

  --border:     rgba(200,150,42,0.2);
  --border2:    rgba(200,150,42,0.35);
  --border3:    rgba(200,150,42,0.5);

  /* Typography */
  --font-display: 'Cinzel', 'Palatino Linotype', serif;
  --font-body:    'Cormorant Garamond', 'Georgia', serif;
  --font-mono:    'Share Tech Mono', 'Courier New', monospace;

  /* Spacing */
  --nav-h: 72px;

  /* Transitions */
  --t: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --t-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--gold) var(--void);
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--void); }
::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 3px; }

body {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.7;
  color: var(--text);
  background: var(--void);
  overflow-x: hidden;
  min-height: 100vh;
}

/* ── COSMOS BACKGROUND ──────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 120% 80% at 50% -10%, rgba(184,64,48,0.12) 0%, transparent 55%),
    radial-gradient(ellipse 60% 60% at 85% 70%, rgba(200,150,42,0.06) 0%, transparent 50%),
    radial-gradient(ellipse 40% 40% at 10% 80%, rgba(100,60,160,0.06) 0%, transparent 50%),
    linear-gradient(180deg, var(--cosmos) 0%, var(--void) 40%);
  pointer-events: none;
  z-index: 0;
}

/* Star field */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(1.5px 1.5px at 8%   12%, rgba(255,255,240,0.85) 0%, transparent 100%),
    radial-gradient(1px   1px   at 22%  5%,  rgba(255,255,240,0.6)  0%, transparent 100%),
    radial-gradient(1px   1px   at 36%  18%, rgba(255,255,240,0.5)  0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 52%  3%,  rgba(255,255,240,0.7)  0%, transparent 100%),
    radial-gradient(1px   1px   at 67%  14%, rgba(255,255,240,0.45) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 81%  8%,  rgba(255,255,240,0.8)  0%, transparent 100%),
    radial-gradient(1px   1px   at 93%  22%, rgba(255,255,240,0.55) 0%, transparent 100%),
    radial-gradient(1px   1px   at 14%  35%, rgba(255,255,240,0.4)  0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 45%  42%, rgba(255,255,240,0.65) 0%, transparent 100%),
    radial-gradient(1px   1px   at 72%  38%, rgba(255,255,240,0.35) 0%, transparent 100%),
    radial-gradient(1px   1px   at 88%  45%, rgba(255,255,240,0.5)  0%, transparent 100%),
    radial-gradient(1px   1px   at 3%   58%, rgba(255,255,240,0.45) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 29%  62%, rgba(255,255,240,0.7)  0%, transparent 100%),
    radial-gradient(1px   1px   at 58%  55%, rgba(255,255,240,0.4)  0%, transparent 100%),
    radial-gradient(1px   1px   at 76%  68%, rgba(255,255,240,0.55) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 19%  78%, rgba(255,255,240,0.65) 0%, transparent 100%),
    radial-gradient(1px   1px   at 41%  85%, rgba(255,255,240,0.35) 0%, transparent 100%),
    radial-gradient(1px   1px   at 64%  80%, rgba(255,255,240,0.5)  0%, transparent 100%),
    radial-gradient(1px   1px   at 91%  88%, rgba(255,255,240,0.45) 0%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}

/* ── LAYOUT ─────────────────────────────────────────────── */
#page-wrapper {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main { flex: 1; padding-top: var(--nav-h); }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.section {
  padding: 100px 0;
}

/* ── NAVIGATION ─────────────────────────────────────────── */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 0 40px;
  background: rgba(6, 4, 8, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background var(--t), border-color var(--t);
}

#nav.scrolled {
  background: rgba(6, 4, 8, 0.97);
  border-color: var(--border2);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo-img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border2);
  object-fit: cover;
}

.nav-brand-text {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--gold2);
  line-height: 1.3;
  text-transform: uppercase;
}

.nav-brand-sub {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 4px;
  color: var(--text3);
  display: block;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0 auto;
}

.nav-link {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 2px;
  font-weight: 600;
  color: var(--text3);
  text-decoration: none;
  padding: 6px 14px;
  border: 1px solid transparent;
  text-transform: uppercase;
  transition: color var(--t), border-color var(--t), background var(--t);
  white-space: nowrap;
  cursor: pointer;
  background: none;
}

.nav-link:hover,
.nav-link.active {
  color: var(--gold2);
  border-color: var(--border);
  background: rgba(200, 150, 42, 0.06);
}

.nav-cta {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 2px;
  font-weight: 700;
  color: var(--void);
  background: linear-gradient(135deg, var(--gold2) 0%, var(--gold3) 100%);
  border: none;
  padding: 9px 22px;
  cursor: pointer;
  text-decoration: none;
  text-transform: uppercase;
  transition: opacity var(--t), transform var(--t);
  flex-shrink: 0;
  clip-path: polygon(6px 0%, 100% 0%, calc(100% - 6px) 100%, 0% 100%);
}
.nav-cta:hover { opacity: 0.88; transform: translateY(-1px); }

/* Mobile hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 6px;
  margin-left: auto;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gold2);
  transition: transform var(--t), opacity var(--t);
}

/* ── TYPOGRAPHY HELPERS ─────────────────────────────────── */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 5px;
  color: var(--rust2);
  text-transform: uppercase;
  display: block;
  margin-bottom: 16px;
}

.display-title {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.05;
  color: var(--parchment2);
  letter-spacing: 1px;
}

.section-heading {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  color: var(--parchment2);
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.section-subheading {
  font-size: 20px;
  font-weight: 300;
  font-style: italic;
  color: var(--text2);
  max-width: 580px;
  line-height: 1.65;
  margin-bottom: 60px;
}

/* ── ORNAMENTAL DIVIDERS ────────────────────────────────── */
.ornament {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
.ornament::before,
.ornament::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.ornament-symbol {
  color: var(--gold);
  font-size: 14px;
  flex-shrink: 0;
}

.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--border2) 30%, var(--border2) 70%, transparent 100%);
  margin: 0;
  position: relative;
}
.section-divider::after {
  content: '◆';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  color: var(--gold);
  font-size: 10px;
  background: var(--void);
  padding: 0 12px;
}

/* ── BUTTONS ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--t);
  white-space: nowrap;
  border: none;
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold3) 100%);
  color: var(--void);
  padding: 16px 44px;
  clip-path: polygon(10px 0%, 100% 0%, calc(100% - 10px) 100%, 0% 100%);
  position: relative;
  overflow: hidden;
}
.btn-gold::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: opacity var(--t);
}
.btn-gold:hover::after { opacity: 1; }
.btn-gold:hover { transform: translateY(-3px); box-shadow: 0 12px 40px var(--gold-glow); }

.btn-ghost {
  background: transparent;
  color: var(--gold2);
  border: 1px solid var(--gold);
  padding: 15px 44px;
  clip-path: polygon(10px 0%, 100% 0%, calc(100% - 10px) 100%, 0% 100%);
}
.btn-ghost:hover {
  background: rgba(200, 150, 42, 0.08);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px var(--gold-glow);
}

.btn-rust {
  background: linear-gradient(135deg, var(--rust) 0%, var(--rust3) 100%);
  color: #fff;
  padding: 16px 44px;
  clip-path: polygon(10px 0%, 100% 0%, calc(100% - 10px) 100%, 0% 100%);
}
.btn-rust:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px var(--rust-glow);
}

.btn-sm { padding: 10px 28px; font-size: 11px; letter-spacing: 2px; }

/* ── CARDS ──────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: border-color var(--t), transform var(--t), box-shadow var(--t);
}
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(200,150,42,0.04) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--t);
}
.card:hover::before { opacity: 1; }
.card:hover {
  border-color: var(--border2);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 40px var(--gold-glow);
}

/* ── FORMS ──────────────────────────────────────────────── */
.form-group { margin-bottom: 24px; }

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--text3);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 17px;
  outline: none;
  transition: border-color var(--t), background var(--t);
  appearance: none;
  -webkit-appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--gold2);
  background: var(--surface3);
}

.form-input::placeholder,
.form-textarea::placeholder { color: var(--text4); font-style: italic; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* ── STATUS / ALERTS ────────────────────────────────────── */
.alert {
  padding: 16px 20px;
  border-left: 3px solid;
  font-size: 16px;
  margin-bottom: 20px;
  line-height: 1.5;
}
.alert-info    { border-color: var(--gold);  background: rgba(200,150,42,0.08);  color: var(--parchment); }
.alert-success { border-color: #4a9e6a;      background: rgba(74,158,106,0.08);  color: #a8dbbf; }
.alert-error   { border-color: var(--rust2); background: rgba(184,64,48,0.08);   color: #f0a898; }
.alert-loading { border-color: var(--text3); background: rgba(160,128,96,0.08);  color: var(--text2); }

/* ── LOADING SPINNER ────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 18px; height: 18px;
  border: 2px solid rgba(200,150,42,0.2);
  border-top-color: var(--gold2);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  vertical-align: middle;
  margin-right: 10px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── PAGE SECTIONS ──────────────────────────────────────── */
.page-hero {
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
}
.page-hero-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  color: var(--parchment2);
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.page-hero-desc {
  font-size: 20px;
  font-style: italic;
  color: var(--text2);
  max-width: 560px;
  margin: 0 auto;
}

/* ── FOOTER ─────────────────────────────────────────────── */
#footer {
  background: var(--cosmos);
  border-top: 1px solid var(--border);
  padding: 60px 0 32px;
  position: relative;
  z-index: 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 48px;
}
.footer-brand-text {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--gold2);
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.footer-brand-desc {
  font-size: 16px;
  color: var(--text3);
  font-style: italic;
  line-height: 1.6;
  margin-bottom: 20px;
}
.footer-col-title {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 4px;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 16px;
  color: var(--text3);
  text-decoration: none;
  cursor: pointer;
  transition: color var(--t);
}
.footer-links a:hover { color: var(--gold2); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text4);
}
.footer-bottom a { color: var(--text4); text-decoration: none; }
.footer-bottom a:hover { color: var(--text3); }

/* ── CORNER ORNAMENTS ───────────────────────────────────── */
.corner-ornament {
  position: absolute;
  width: 40px; height: 40px;
  opacity: 0.35;
}
.corner-ornament.tl { top: 16px; left: 16px; border-top: 2px solid var(--gold); border-left: 2px solid var(--gold); }
.corner-ornament.tr { top: 16px; right: 16px; border-top: 2px solid var(--gold); border-right: 2px solid var(--gold); }
.corner-ornament.bl { bottom: 16px; left: 16px; border-bottom: 2px solid var(--gold); border-left: 2px solid var(--gold); }
.corner-ornament.br { bottom: 16px; right: 16px; border-bottom: 2px solid var(--gold); border-right: 2px solid var(--gold); }

/* ── BADGE / TAG ────────────────────────────────────────── */
.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  padding: 4px 14px;
}
.badge-gold { background: var(--gold); color: var(--void); }
.badge-rust { background: var(--rust2); color: #fff; }
.badge-ghost { border: 1px solid var(--border2); color: var(--text3); }

/* ── TOOLTIP ────────────────────────────────────────────── */
[data-tooltip] { position: relative; }
[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface3);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 13px;
  padding: 6px 12px;
  white-space: nowrap;
  z-index: 999;
  pointer-events: none;
}

/* ── ANIMATIONS ─────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px var(--gold-glow); }
  50%       { box-shadow: 0 0 40px rgba(200,150,42,0.4); }
}
@keyframes mars-rotate {
  from { background-position: 0% 50%; }
  to   { background-position: 100% 50%; }
}
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-12px); }
}
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.animate-fade-up { animation: fadeUp 0.7s ease forwards; }
.animate-fade-in { animation: fadeIn 0.5s ease forwards; }
.animate-float   { animation: float 6s ease-in-out infinite; }

/* ── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .container { padding: 0 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  #nav { padding: 0 20px; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(6,4,8,0.98);
    backdrop-filter: blur(20px);
    padding: 24px;
    border-bottom: 1px solid var(--border);
    z-index: 999;
    gap: 4px;
  }
  .nav-hamburger { display: flex; }
  .nav-cta { display: none; }
  .container { padding: 0 20px; }
  .section { padding: 60px 0; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}