/* ===========================================================
   TOKENS
   =========================================================== */
:root{
  --bg: #08090b;
  --bg-elevated: #131519;
  --bg-elevated-2: #1a1d22;
  --text: #f3f1eb;
  --text-dim: #8a8f98;
  --accent: #ffb627;      /* signal amber — gains / primary accent */
  --accent-2: #4de8c7;    /* terminal teal — secondary accent */
  --down: #ff6b5e;        /* ticker down-tick red */
  --line: rgba(243,241,235,0.10);
  --line-strong: rgba(243,241,235,0.18);

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  --nav-h: 76px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin: 0;
  background:
    radial-gradient(ellipse 900px 500px at 15% -10%, rgba(255,182,39,0.07), transparent 60%),
    radial-gradient(ellipse 700px 500px at 100% 0%, rgba(77,232,199,0.05), transparent 60%),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* subtle film-grain overlay for a less "flat" dark background */
.noise{
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.035;
  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");
  mix-blend-mode: overlay;
}

main{ position: relative; z-index: 2; }

a{ color: var(--accent-2); text-decoration: none; }
a:hover{ text-decoration: underline; }

:focus-visible{
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.07em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin: 0 0 0.9rem;
}

/* ===========================================================
   NAV
   =========================================================== */
.nav{
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
  background: rgba(8,9,11,0.72);
  backdrop-filter: blur(12px) saturate(140%);
  border-bottom: 1px solid var(--line);
  transition: background 0.3s ease, border-color 0.3s ease;
}
.nav.is-scrolled{
  background: rgba(8,9,11,0.92);
  border-color: var(--line-strong);
}

.nav-mark{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  white-space: nowrap;
}
.nav-mark .dot{ color: var(--accent); }

.nav-tabs{
  display: flex;
  gap: 0.25rem;
  background: var(--bg-elevated);
  padding: 0.3rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  position: relative;
}

.tab-btn{
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: transparent;
  color: var(--text-dim);
  border: none;
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.25s var(--ease), background 0.25s var(--ease);
  z-index: 1;
}
.tab-btn:hover{ color: var(--text); }
.tab-btn.is-active{
  background: var(--accent);
  color: var(--bg);
  font-weight: 500;
}

.nav-cta{
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text);
  border: 1px solid var(--line-strong);
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  white-space: nowrap;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease);
}
.nav-cta:hover{
  text-decoration: none;
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(255,182,39,0.08);
}

@media (max-width: 720px){
  .nav-cta{ display: none; }
}

/* ===========================================================
   VIEWS
   =========================================================== */
.view{ display: none; }
.view.is-active{ display: block; }

.view-fade{ animation: view-in 0.5s var(--ease); }
@keyframes view-in{
  from{ opacity: 0; transform: translateY(6px); }
  to{ opacity: 1; transform: translateY(0); }
}

/* ===========================================================
   HERO
   =========================================================== */
.hero{
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  padding: clamp(3.5rem, 9vw, 6.5rem) clamp(1.25rem, 4vw, 3rem) clamp(2.5rem, 6vw, 4rem);
  max-width: 1280px;
  margin: 0 auto;
}

.about-hero{
  padding: clamp(4rem, 10vw, 7rem) clamp(1.25rem, 4vw, 3rem) clamp(2.5rem, 6vw, 4rem);
  max-width: 1100px;
}

.hero-title{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 5.6vw, 4.4rem);
  line-height: 1.06;
  margin: 0 0 1.4rem;
  letter-spacing: -0.01em;
}
.hero-title-sub{
  display: inline-block;
  background: linear-gradient(90deg, var(--accent), #ffd88a);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub{
  max-width: 46ch;
  color: var(--text-dim);
  font-size: 1.05rem;
  margin: 0 0 2rem;
}

.hero-actions{ display: flex; gap: 0.9rem; flex-wrap: wrap; }

.btn{
  font-family: var(--font-mono);
  font-size: 0.88rem;
  border-radius: 10px;
  padding: 0.85rem 1.5rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease);
}
.btn:hover{ transform: translateY(-2px); text-decoration: none; }

.btn-primary{
  background: var(--accent);
  color: var(--bg);
  font-weight: 500;
}
.btn-primary:hover{
  box-shadow: 0 10px 30px -8px rgba(255,182,39,0.45);
}

.btn-ghost{
  background: transparent;
  color: var(--text);
  border-color: var(--line-strong);
}
.btn-ghost:hover{
  border-color: var(--accent-2);
  color: var(--accent-2);
}

/* ---- hero chart (signature element) ---- */
.hero-chart{
  position: relative;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.4rem 1.4rem 1.1rem;
}

.chart-svg{ width: 100%; height: auto; display: block; overflow: visible; }

.chart-grid line{ stroke: var(--line); stroke-width: 1; }

.chart-line{
  stroke-dasharray: 900;
  stroke-dashoffset: 900;
  animation: draw-line 2.2s var(--ease) forwards 0.3s;
}
.chart-area{
  opacity: 0;
  animation: fade-in 1.4s ease forwards 1.4s;
}
.chart-dot{
  opacity: 0;
  animation: fade-in 0.4s ease forwards 2.4s;
  filter: drop-shadow(0 0 6px var(--accent));
}

@keyframes draw-line{ to{ stroke-dashoffset: 0; } }
@keyframes fade-in{ to{ opacity: 1; } }

.chart-label{
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  margin: 0.9rem 0 0;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.chart-value{ color: var(--accent); }

@media (max-width: 860px){
  .hero{ grid-template-columns: 1fr; }
  .hero-chart{ order: -1; }
}

@media (prefers-reduced-motion: reduce){
  .chart-line, .chart-area, .chart-dot{ animation: none; opacity: 1; stroke-dashoffset: 0; }
}

/* ===========================================================
   TICKER — signature element
   =========================================================== */
.ticker{
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-elevated);
  overflow: hidden;
  padding: 0.9rem 0;
  position: relative;
}
.ticker::before, .ticker::after{
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 60px;
  z-index: 2;
  pointer-events: none;
}
.ticker::before{ left: 0; background: linear-gradient(90deg, var(--bg-elevated), transparent); }
.ticker::after{ right: 0; background: linear-gradient(-90deg, var(--bg-elevated), transparent); }

.ticker-track{
  display: flex;
  width: max-content;
  gap: 2.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  white-space: nowrap;
  animation: ticker-scroll 42s linear infinite;
}
.ticker:hover .ticker-track{ animation-play-state: paused; }

@keyframes ticker-scroll{
  from{ transform: translateX(0); }
  to{ transform: translateX(-50%); }
}

.ticker-item{ display: inline-flex; gap: 0.55rem; align-items: baseline; color: var(--text-dim); }
.ticker-item .sym{ color: var(--text); font-weight: 500; }
.ticker-item.up{ color: var(--accent); }
.ticker-item.down{ color: var(--down); }

@media (prefers-reduced-motion: reduce){
  .ticker-track{ animation: none; }
  .ticker{ overflow-x: auto; }
}

/* ===========================================================
   CONTENT / CARDS
   =========================================================== */
.content{
  padding: clamp(2rem, 6vw, 4rem) clamp(1.25rem, 4vw, 3rem);
  max-width: 1280px;
  margin: 0 auto;
}

.section-head{ margin-bottom: 2rem; }
.section-head h2{
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  margin: 0;
}

.card-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.card{
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.6rem;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s var(--ease), transform 0.35s var(--ease), border-color 0.3s ease, background 0.3s ease;
}
.card.is-visible{ opacity: 1; transform: translateY(0); }
.card:hover{
  border-color: var(--line-strong);
  background: var(--bg-elevated-2);
  transform: translateY(-4px);
}

.card-tag{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 0.6rem;
}
.card h3{ margin: 0 0 0.6rem; font-family: var(--font-display); }
.card p{ margin: 0; color: var(--text-dim); font-size: 0.95rem; }

/* ===========================================================
   ABOUT — key facts list
   =========================================================== */
.holdings{
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.holdings li{
  display: grid;
  grid-template-columns: 70px 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  transition: background 0.2s ease;
}
.holdings li:hover{ background: rgba(243,241,235,0.02); }
.holdings-sym{ color: var(--accent); font-weight: 500; }
.holdings-name{ font-family: var(--font-body); color: var(--text); }
.holdings-note{ color: var(--text-dim); font-size: 0.85rem; }

/* ===========================================================
   FOOTER
   =========================================================== */
.site-footer{
  padding: 2rem clamp(1.25rem, 4vw, 3rem) 3rem;
  color: var(--text-dim);
  font-size: 0.85rem;
  border-top: 1px solid var(--line);
  max-width: 1280px;
  margin: 0 auto;
}
.site-footer p{ margin: 0 0 0.4rem; }
.site-footer-note{ font-size: 0.78rem; opacity: 0.7; }

/* ===========================================================
   RESPONSIVE
   =========================================================== */
@media (max-width: 560px){
  .nav{ padding: 0 1rem; }
  .tab-btn{ padding: 0.5rem 0.8rem; }
  .holdings li{ grid-template-columns: 50px 1fr; }
  .holdings-note{ display: none; }
}