/* ============ RiskSignalData — design system ============
   Palette: ink navy-black, silver/ivory type, steel-blue accent (sparing),
   amber "signal" micro-accent. Intelligence-platform tone, not SaaS green. */
:root {
  --bg: #05070b;
  --bg-2: #080b12;
  --panel: #0c111a;
  --line: rgba(150, 168, 205, 0.13);
  --ink: #e9edf5;
  --ink-dim: #8e97ab;
  --accent: #7fa6f2;
  --accent-dim: rgba(127, 166, 242, 0.45);
  --signal: #d9a93f;
  --serif: "Archivo", "Inter", system-ui, sans-serif;
  --sans: "Inter", system-ui, sans-serif;
  --mono: "JetBrains Mono", monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
::selection { background: var(--accent); color: #060910; }
.mono { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; }
em { font-style: italic; }

/* film grain */
.grain {
  position: fixed; inset: -50%; width: 200%; height: 200%;
  pointer-events: none; z-index: 2000; opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 8s steps(10) infinite;
}
@keyframes grain {
  0%,100% { transform: translate(0,0); } 20% { transform: translate(-3%,2%); }
  40% { transform: translate(2%,-3%); } 60% { transform: translate(-2%,-2%); }
  80% { transform: translate(3%,3%); }
}

/* preloader */
.preloader {
  position: fixed; inset: 0; z-index: 3000; background: var(--bg);
  display: flex; align-items: center; justify-content: center;
}
.preloader__word { font-family: var(--serif); font-size: clamp(1.6rem, 4vw, 2.6rem); font-weight: 700; letter-spacing: -0.02em; }
.preloader__word em, .nav__logo em, .footer__logo em { color: #36bf7f; font-style: normal; font-weight: 500; }
.preloader__bar { height: 1px; background: var(--line); margin-top: 1.2rem; overflow: hidden; }
.preloader__bar span { display: block; height: 100%; width: 0; background: var(--ink); }

/* scroll progress */
.progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 1100;
  pointer-events: none;
}
.progress span {
  display: block; height: 100%; width: 100%;
  background: linear-gradient(90deg, var(--accent), var(--signal));
  transform-origin: left; transform: scaleX(0);
}

/* nav */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  display: flex; align-items: center; gap: 2.5rem;
  padding: 1.1rem clamp(1.2rem, 4vw, 3rem);
  transition: background .4s, backdrop-filter .4s, border-color .4s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled { background: rgba(5,7,11,0.78); backdrop-filter: blur(14px); border-color: var(--line); }
.nav__logo { font-family: var(--serif); font-weight: 700; letter-spacing: -0.02em; font-size: 1.2rem; color: var(--ink); text-decoration: none; margin-right: auto; }
.nav__links { display: flex; gap: 1.8rem; }
.nav__links a {
  color: var(--ink-dim); text-decoration: none; font-size: 0.85rem;
  transition: color .25s;
}
.nav__links a:hover { color: var(--ink); }
.nav__burger { display: none; }

/* buttons */
.btn {
  display: inline-block; text-decoration: none; font-weight: 600; font-size: 0.88rem;
  padding: 0.85rem 1.7rem; border-radius: 999px; transition: transform .25s, box-shadow .25s, background .25s, color .25s, border-color .25s;
}
.btn--solid { background: var(--ink); color: #070a10; }
.btn--solid:hover { transform: translateY(-2px); box-shadow: 0 10px 36px rgba(127,166,242,0.28); background: #ffffff; }
.btn--ghost { color: var(--ink); border: 1px solid var(--line); background: rgba(255,255,255,0.02); }
.btn--ghost:hover { border-color: var(--accent-dim); color: var(--accent); }
.btn--big { padding: 1.1rem 2.6rem; font-size: 1rem; }

/* mobile menu */
.menu {
  position: fixed; inset: 0; z-index: 900; background: rgba(5,7,11,0.96); backdrop-filter: blur(20px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .35s;
}
.menu.is-open { opacity: 1; pointer-events: auto; }
.menu__links { display: flex; flex-direction: column; gap: 1.6rem; text-align: center; }
.menu__links a { font-family: var(--serif); font-weight: 600; letter-spacing: -0.02em; font-size: 2rem; color: var(--ink); text-decoration: none; }
.menu__links a:hover { color: var(--accent); }

/* ============ HERO ============ */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; overflow: hidden; }
#webgl { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.hero__inner {
  position: relative; z-index: 2;
  padding: 7rem clamp(1.2rem, 6vw, 6rem) 4rem;
  max-width: 60rem;
}
.hero__kicker { color: var(--ink-dim); display: flex; align-items: center; gap: 0.6rem; margin-bottom: 1.6rem; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 12px var(--signal); animation: pulse 2s infinite; flex-shrink: 0; }
@keyframes pulse { 50% { opacity: 0.35; } }
.hero__title {
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(2.4rem, 6.6vw, 5.6rem);
  line-height: 0.98; letter-spacing: -0.035em; margin-bottom: 1.8rem;
  text-transform: none;
}
.hero__title .line { display: block; overflow: hidden; }
.line--accent {
  background: linear-gradient(105deg, #f2f5fb 30%, var(--accent) 85%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__period { color: var(--ink-dim); }
.hero__sub { color: var(--ink-dim); max-width: 34rem; font-size: 1.05rem; margin-bottom: 2.4rem; }
.hero__sub strong { color: var(--ink); }
.hero__cta { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero__scroll {
  position: absolute; bottom: 2rem; right: clamp(1.2rem, 5vw, 4rem); z-index: 2;
  color: var(--ink-dim); display: flex; flex-direction: column; align-items: center; gap: 0.6rem;
}
.hero__scroll i { width: 1px; height: 52px; background: linear-gradient(var(--ink-dim), transparent); display: block; animation: drip 2.2s infinite; }
@keyframes drip { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* ============ MARQUEE ============ */
.marquee { border-block: 1px solid var(--line); overflow: hidden; padding: 1.1rem 0; background: var(--bg-2); }
.marquee__track { display: flex; gap: 3rem; white-space: nowrap; width: max-content; align-items: center; }
.marquee__track span { font-family: var(--serif); font-weight: 600; letter-spacing: -0.01em; font-size: 1.05rem; color: var(--ink-dim); }
.marquee__track b { color: var(--signal); font-weight: 400; opacity: 0.8; }

/* ============ sections shared ============ */
.section { padding: clamp(5rem, 12vw, 9rem) clamp(1.2rem, 6vw, 6rem); position: relative; }
.eyebrow { color: var(--accent); margin-bottom: 1.2rem; }
.eyebrow--center { text-align: center; }
.h2 {
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(1.8rem, 4.4vw, 3.2rem); line-height: 1.06; letter-spacing: -0.03em;
  max-width: 46rem; margin-bottom: 1.4rem;
}
.h2 em { color: var(--accent); font-style: normal; }
.lede { color: var(--ink-dim); max-width: 38rem; font-size: 1.02rem; }
.lede--center { margin: 0 auto; text-align: center; }
.section__head { margin-bottom: 3.5rem; }
.section__head--center { text-align: center; }
.section__head--center .h2, .section__head--center .lede { margin-inline: auto; }

/* ============ cards ============ */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.card {
  position: relative; padding: 2rem 1.8rem 2.2rem; border: 1px solid var(--line);
  border-radius: 18px; background: linear-gradient(160deg, var(--panel), rgba(12,17,26,0.4));
  overflow: hidden; transition: border-color .35s, transform .35s, box-shadow .35s;
  will-change: transform;
}
.card::after {
  content: ""; position: absolute; inset: 0; opacity: 0; transition: opacity .4s;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(127,166,242,0.09), transparent 60%);
  pointer-events: none;
}
.card:hover { border-color: var(--accent-dim); transform: translateY(-4px); box-shadow: 0 18px 48px rgba(0,0,0,0.5); }
.card:hover::after { opacity: 1; }
.card__num { position: absolute; top: 1.4rem; right: 1.6rem; color: var(--ink-dim); opacity: 0.55; }
.card__icon {
  width: 46px; height: 46px; display: grid; place-items: center; font-size: 1.25rem;
  border: 1px solid var(--line); border-radius: 12px; color: var(--accent);
  background: rgba(127,166,242,0.05); margin-bottom: 1.3rem;
}
.card h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -0.015em; font-size: 1.25rem; margin-bottom: 0.7rem; }
.card p { color: var(--ink-dim); font-size: 0.92rem; }

/* ============ why ============ */
.why { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(2rem, 6vw, 6rem); background: var(--bg-2); border-block: 1px solid var(--line); }
.why__sticky { position: sticky; top: 7rem; align-self: start; }
.why__items { display: flex; flex-direction: column; gap: 3.5rem; }
.why__item { position: relative; padding-top: 2rem; }
.why__item::before {
  content: ""; position: absolute; top: 0; left: 0; height: 1px; width: 100%;
  background: linear-gradient(90deg, var(--accent-dim), var(--line) 60%, transparent);
  transform-origin: left; transform: scaleX(var(--draw, 1));
}
.why__num {
  font-family: var(--mono); color: var(--signal); font-size: 0.8rem; letter-spacing: 0.2em;
  display: inline-block; margin-bottom: 0.9rem;
}
.why__item h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -0.015em; font-size: 1.4rem; margin-bottom: 0.8rem; }
.why__item p { color: var(--ink-dim); font-size: 0.97rem; }
.why__item strong { color: var(--ink); }

/* ============ stats ============ */
.stats__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; max-width: 58rem; margin: 0 auto; }
.stat {
  position: relative; overflow: hidden;
  border: 1px solid var(--line); border-radius: 18px; padding: 2.4rem 1.5rem; text-align: center;
  background: var(--panel); transition: border-color .35s;
}
.stat:hover { border-color: var(--accent-dim); }
.stat::before {
  content: ""; position: absolute; top: 0; bottom: 0; left: -80%; width: 60%;
  background: linear-gradient(100deg, transparent, rgba(127,166,242,0.07), transparent);
  transform: skewX(-12deg); pointer-events: none;
}
.stat.is-shined::before { animation: sheen 1.1s ease-out forwards; }
@keyframes sheen { to { left: 130%; } }
.stat__value { display: block; font-size: clamp(2rem, 4vw, 3rem); color: var(--ink); letter-spacing: 0; text-transform: none; margin-bottom: 0.4rem; }
.stat__label { color: var(--ink-dim); font-size: 0.82rem; letter-spacing: 0.06em; text-transform: uppercase; }

/* ============ diff ============ */
.diff { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(2rem, 6vw, 6rem); align-items: start; background: var(--bg-2); border-block: 1px solid var(--line); }
.link-arrow { color: var(--accent); text-decoration: none; font-weight: 600; display: inline-flex; gap: 0.5rem; margin-top: 1.6rem; }
.link-arrow span { transition: transform .25s; }
.link-arrow:hover span { transform: translateX(5px); }
.diff__header { display: flex; justify-content: space-between; color: var(--ink-dim); padding: 0 1.4rem 0.9rem; }
.diff__header span:last-child { color: var(--accent); }
.diff__row {
  display: grid; grid-template-columns: 1fr 2rem 1fr; align-items: center; gap: 1rem;
  border: 1px solid var(--line); border-radius: 14px; background: var(--panel);
  padding: 1.1rem 1.4rem; margin-bottom: 0.7rem; transition: border-color .3s, transform .3s;
}
.diff__row:hover { border-color: var(--accent-dim); transform: translateX(6px); }
.diff__row span { color: var(--ink-dim); font-size: 0.92rem; }
.diff__row i { color: var(--signal); font-style: normal; text-align: center; }
.diff__row strong { font-size: 0.92rem; text-align: right; }

/* ============ cta ============ */
.cta { text-align: center; padding-block: clamp(7rem, 16vw, 12rem); }
.cta__title {
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(2.1rem, 5.6vw, 4.4rem); line-height: 1.02; letter-spacing: -0.03em;
  max-width: 60rem; margin: 0 auto 1.6rem;
}
.cta__title em {
  font-style: normal;
  background: linear-gradient(105deg, #f2f5fb 20%, var(--accent) 90%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.cta .lede { margin-bottom: 2.6rem; }
.cta .btn { margin-top: 0.5rem; }

/* ============ footer ============ */
.footer {
  border-top: 1px solid var(--line); padding: 2.2rem clamp(1.2rem, 6vw, 6rem);
  display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap;
  color: var(--ink-dim);
}
.footer__logo { font-family: var(--serif); font-weight: 700; letter-spacing: -0.02em; font-size: 1.05rem; }

/* ============ responsive ============ */
@media (max-width: 980px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .why, .diff { grid-template-columns: 1fr; }
  .why__sticky { position: static; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .nav__links, .nav__cta { display: none; }
  .nav__burger {
    display: flex; flex-direction: column; gap: 6px; background: none; border: none; cursor: pointer; z-index: 1001; padding: 6px;
  }
  .nav__burger span { width: 26px; height: 2px; background: var(--ink); transition: transform .3s, opacity .3s; display: block; }
  .nav__burger.is-open span:first-child { transform: translateY(4px) rotate(45deg); }
  .nav__burger.is-open span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .cards { grid-template-columns: 1fr; }
  .stats__grid { grid-template-columns: 1fr 1fr; gap: 0.8rem; }
  .diff__row { flex-wrap: wrap; }
  .diff__row strong { text-align: left; }
  .hero__scroll { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .grain, .dot, .hero__scroll i { animation: none; }
  html { scroll-behavior: auto; }
}

/* ============ legal / privacy page ============ */
.footer__link { color: var(--ink-dim); text-decoration: none; transition: color .25s; }
.footer__link:hover { color: var(--accent); }
.legal-page { overflow-x: hidden; }
.legal {
  max-width: 44rem; margin: 0 auto;
  padding: 9rem clamp(1.2rem, 5vw, 2rem) 6rem;
}
.legal h1 {
  font-family: var(--serif); font-weight: 700; letter-spacing: -0.03em;
  font-size: clamp(2.2rem, 6vw, 3.4rem); line-height: 1.04; margin-bottom: 0.7rem;
}
.legal__updated { color: var(--ink-dim); display: block; margin-bottom: 2.6rem; }
.legal h2 {
  font-family: var(--serif); font-weight: 600; letter-spacing: -0.02em;
  font-size: 1.35rem; margin: 2.4rem 0 0.8rem;
}
.legal p { color: var(--ink-dim); margin-bottom: 1rem; font-size: 0.97rem; }
.legal p strong { color: var(--ink); }
.legal ul { margin: 0 0 1.2rem 1.2rem; color: var(--ink-dim); font-size: 0.97rem; }
.legal li { margin-bottom: 0.45rem; }
.legal li strong { color: var(--ink); }
.legal a { color: var(--accent); text-decoration: none; }
.legal a:hover { text-decoration: underline; }