/* =========================================================
   GemOasis — Coming Soon
   Token system
   ========================================================= */
:root{
  --bg-deep:      #0A1220;
  --bg-deep-2:    #0F1B2E;
  --bg-panel:     #111F35;

  --sapphire:      #2C5DA8;
  --sapphire-soft: #5E8FD6;
  --sapphire-deep: #173865;

  --ruby:          #B3123F;
  --ruby-soft:     #E0567F;
  --ruby-deep:     #650B26;

  --gold:          #C9A24B;
  --gold-soft:     #E8D9AE;

  --ivory:         #F4EFE4;
  --stone-gray:    #93A0B4;
  --line:          rgba(244,239,228,0.12);

  --font-display: 'Fraunces', 'Georgia', serif;
  --font-body:    'Inter', -apple-system, sans-serif;
  --font-mono:    'IBM Plex Mono', 'Courier New', monospace;
}

*{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--bg-deep);
  color: var(--ivory);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}

.container{
  width:100%;
  max-width: 1180px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.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;
}

/* subtle film-grain / depth texture over the whole page */
.grain-overlay{
  position: fixed; inset:0; pointer-events:none; z-index: 2;
  opacity: 0.035; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* =========================================================
   Topbar
   ========================================================= */
.topbar{
  position: relative; z-index: 3;
  padding: 28px 0 0;
}
.topbar-inner{
  display:flex; align-items:center; justify-content:space-between;
  gap: 16px; flex-wrap: wrap;
}
.wordmark{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: 0.01em;
  color: var(--ivory);
}
.wordmark-accent{ color: var(--gold); font-weight: 400; font-style: italic; }
.wordmark--footer{ font-size: 1.5rem; }

.locus{
  display:inline-flex; align-items:center; gap:6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--stone-gray);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 14px;
}
.locus-pin{ color: var(--gold); flex-shrink:0; }

/* =========================================================
   Hero
   ========================================================= */
.hero{ position:relative; z-index: 3; padding: 64px 0 40px; }
.hero-grid{
  display:grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items:center;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 18px;
}

.hero-title{
  font-family: var(--font-display);
  font-weight: 500;
  font-optical-sizing: auto;
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 22px;
  color: var(--ivory);
}

.hero-lede{
  font-size: 1.03rem;
  color: var(--stone-gray);
  max-width: 46ch;
  margin: 0 0 34px;
}

/* Notify form */
.notify-form{ max-width: 460px; }
.notify-row{
  display:flex;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-deep-2);
  overflow:hidden;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.notify-row:focus-within{
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,162,75,0.15);
}
.notify-input{
  flex:1; min-width:0;
  background: transparent;
  border: none;
  outline: none;
  color: var(--ivory);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 15px 18px;
}
.notify-input::placeholder{ color: rgba(147,160,180,0.65); }

.notify-btn{
  display:inline-flex; align-items:center; gap:8px;
  border: none;
  background: linear-gradient(135deg, var(--gold), #A9803A);
  color: #1A1204;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0 22px;
  cursor: pointer;
  transition: filter .2s ease, transform .2s ease;
  white-space: nowrap;
}
.notify-btn:hover{ filter: brightness(1.08); }
.notify-btn:active{ transform: scale(0.98); }
.notify-btn:disabled{ opacity: 0.6; cursor: default; }

.hp-field{ position:absolute; left:-9999px; width:1px; height:1px; opacity:0; }

.notify-note{
  margin: 12px 2px 0;
  font-size: 0.82rem;
  color: var(--stone-gray);
}
.notify-note.is-success{ color: var(--gold-soft); }
.notify-note.is-error{ color: var(--ruby-soft); }

/* =========================================================
   Hero gem
   ========================================================= */
.hero-gem{
  display:flex; flex-direction:column; align-items:center;
  text-align:center;
}
.gem-stage{
  width: 100%;
  max-width: 380px;
  aspect-ratio: 1 / 1;
}
.gem-svg{ width:100%; height:100%; display:block; }

.gem-state{ transition: opacity 0.7s ease; }
.gem-state--daylight{ opacity: 1; }
.gem-state--incandescent{ opacity: 0; }
body.is-incandescent .gem-state--daylight{ opacity: 0; }
body.is-incandescent .gem-state--incandescent{ opacity: 1; }

.gem-toggle{
  display:inline-flex;
  gap: 4px;
  margin-top: 18px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-deep-2);
}
.gem-toggle-btn{
  display:inline-flex; align-items:center; gap:6px;
  border: none;
  background: transparent;
  color: var(--stone-gray);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
  transition: background .25s ease, color .25s ease;
}
.gem-toggle-btn.is-active{
  background: var(--bg-panel);
  color: var(--gold-soft);
}
.gem-toggle-btn:not(.is-active):hover{ color: var(--ivory); }

.gem-caption{
  margin: 16px 0 0;
  max-width: 38ch;
  font-size: 0.84rem;
  color: var(--stone-gray);
}

/* =========================================================
   Certification strip
   ========================================================= */
.cert-strip{
  position: relative; z-index: 3;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-deep-2);
  padding: 26px 0;
}
.cert-inner{
  display:flex; align-items:center; justify-content:center;
  gap: 20px; flex-wrap: wrap; text-align:center;
}
.cert-label{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--stone-gray);
}
.cert-marks{ display:flex; align-items:center; gap: 14px; }
.cert-mark{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  color: var(--gold-soft);
}
.cert-divider{ color: var(--line); }
.cert-sub{
  font-size: 0.8rem;
  color: var(--stone-gray);
}

/* =========================================================
   Origins
   ========================================================= */
.origins{ position:relative; z-index:3; padding: 76px 0; }
.section-eyebrow{
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 28px;
}
.origins-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.origin-card{
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 30px 28px;
  background: linear-gradient(160deg, var(--bg-panel), var(--bg-deep-2));
}
.origin-coords{
  display:block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--stone-gray);
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}
.origin-name{
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.5rem;
  margin: 0 0 12px;
  color: var(--ivory);
}
.origin-desc{
  margin:0;
  color: var(--stone-gray);
  font-size: 0.92rem;
  max-width: 46ch;
}

/* =========================================================
   About strip
   ========================================================= */
.about{
  position: relative; z-index: 3;
  border-top: 1px solid var(--line);
  padding: 56px 0 90px;
}
.about-inner{ max-width: 760px; }
.about-text{
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  line-height: 1.55;
  color: var(--gold-soft);
  margin: 0;
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer{
  position: relative; z-index: 3;
  border-top: 1px solid var(--line);
  background: var(--bg-deep-2);
  padding: 40px 0;
}
.footer-inner{
  display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between;
  gap: 18px;
}
.footer-address{
  margin: 6px 0 0;
  font-size: 0.84rem;
  color: var(--stone-gray);
}
.footer-contact{ display:flex; gap: 22px; flex-wrap: wrap; }
.footer-link{
  display:inline-flex; align-items:center; gap:8px;
  color: var(--ivory);
  text-decoration:none;
  font-size: 0.88rem;
  transition: color .2s ease;
}
.footer-link svg{ color: var(--gold); flex-shrink:0; }
.footer-link:hover{ color: var(--gold-soft); }
.footer-copy{
  width:100%;
  margin: 10px 0 0;
  font-size: 0.76rem;
  color: var(--stone-gray);
  opacity: 0.7;
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-gem{ order: -1; margin-bottom: 8px; }
  .gem-stage{ max-width: 280px; }
  .origins-grid{ grid-template-columns: 1fr; }
}

@media (max-width: 560px){
  .notify-row{ flex-direction: column; border-radius: 12px; }
  .notify-btn{ padding: 14px; justify-content:center; }
  .hero{ padding-top: 40px; }
  .footer-inner{ flex-direction: column; align-items: flex-start; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  .gem-state{ transition: none; }
}

/* Keyboard focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible{
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}