/* Silver Bear, LLC corporate one-pager. Dark, modern, zero dependencies; Geist self-hosted. */

@font-face {
  font-family: "Geist";
  src: url("/fonts/GeistVF.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --bg: #0b0e13;
  --surface: #10141b;
  --surface-2: #141924;
  --ink: #e8ebef;
  --muted: #98a1ad;
  --accent: #58aaf5;
  --accent-dim: rgba(88, 170, 245, 0.32);
  --hairline: #1e2530;
  --wrap: 1120px;
  --radius: 14px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  font-size: 1.0625rem;
}

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: #8cc5f8;
}

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

::selection {
  background: var(--accent-dim);
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11, 14, 19, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--hairline);
}

@media (prefers-reduced-transparency: reduce) {
  .site-header {
    background: var(--bg);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 66px;
}

.wordmark {
  font-weight: 600;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.wordmark:hover {
  color: var(--ink);
}

.amp {
  color: var(--accent);
}

.header-cta {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink);
  border: 1px solid var(--hairline);
  border-radius: 999px;
  padding: 0.5rem 1.125rem;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.15s ease;
}

.header-cta:hover {
  color: var(--ink);
  border-color: var(--accent-dim);
  background: rgba(88, 170, 245, 0.08);
}

.header-cta:active {
  transform: scale(0.98);
}

/* Hero */

.hero {
  position: relative;
  overflow: hidden;
  padding: 8.5rem 0 9.5rem;
}

.hero-glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 720px 420px at 18% 8%, rgba(88, 170, 245, 0.13), transparent 65%),
    radial-gradient(ellipse 900px 500px at 90% 100%, rgba(88, 170, 245, 0.05), transparent 70%);
}

.hero .wrap {
  position: relative;
}

.eyebrow {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero h1 {
  margin-top: 1.25rem;
  font-size: clamp(2.875rem, 6.5vw, 4.75rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.03;
  max-width: 18ch;
  background: linear-gradient(180deg, #f2f5f8 0%, #b9c2cd 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.lede {
  margin-top: 1.75rem;
  font-size: 1.3125rem;
  line-height: 1.55;
  color: var(--muted);
  max-width: 33rem;
}

/* Reveal on scroll */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .header-cta,
  .pillar,
  .partner {
    transition: none;
  }
}

/* Section basics */

section h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.15;
}

section h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.section-lede {
  margin-top: 1.25rem;
  max-width: 46rem;
  color: var(--muted);
}

/* What we do */

.what {
  border-top: 1px solid var(--hairline);
  padding: 6.5rem 0;
}

.pillars {
  margin-top: 3.5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.pillar {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.pillar:hover {
  border-color: var(--accent-dim);
  transform: translateY(-3px);
}

.pillar-accent {
  background:
    linear-gradient(160deg, rgba(88, 170, 245, 0.11), transparent 55%),
    var(--surface);
}

.pillar p {
  margin-top: 0.75rem;
  font-size: 0.9688rem;
  color: var(--muted);
}

/* Technology */

.tech {
  border-top: 1px solid var(--hairline);
  background: var(--surface);
  padding: 6.5rem 0;
}

.tech-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 4rem;
  align-items: start;
}

.tech-copy p {
  margin-top: 1.25rem;
  color: var(--muted);
  max-width: 36rem;
}

.tech-list {
  list-style: none;
  border-top: 1px solid var(--hairline);
  margin-top: 0.5rem;
}

.tech-list li {
  padding: 1.05rem 0.25rem;
  border-bottom: 1px solid var(--hairline);
  font-family: "Geist", ui-monospace, "SF Mono", monospace;
  font-size: 0.9375rem;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.tech-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--accent);
  flex-shrink: 0;
}

/* How we operate */

.operate {
  border-top: 1px solid var(--hairline);
  padding: 6.5rem 0;
}

.operate-items {
  margin-top: 3rem;
  display: grid;
  gap: 0;
}

.operate-item {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 2rem;
  padding: 2rem 0;
  border-top: 1px solid var(--hairline);
}

.operate-item:first-child {
  border-top: none;
  padding-top: 0;
}

.operate-item h3 {
  font-size: 1.1875rem;
}

.operate-item p {
  color: var(--muted);
  max-width: 40rem;
}

/* Partners */

.partners {
  border-top: 1px solid var(--hairline);
  background: var(--surface);
  padding: 6.5rem 0;
}

.partner-grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.partner {
  background: var(--bg);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color 0.25s ease;
}

.partner:hover {
  border-color: var(--accent-dim);
}

.partner-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: rgba(88, 170, 245, 0.1);
  border: 1px solid var(--accent-dim);
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.partner h3 {
  margin-top: 1.25rem;
  font-size: 1.3125rem;
}

.role {
  margin-top: 0.2rem;
  font-size: 0.9063rem;
  color: var(--accent);
  font-weight: 500;
}

.partner p:last-child {
  margin-top: 1rem;
  font-size: 0.9688rem;
  color: var(--muted);
}

/* Contact */

.contact {
  border-top: 1px solid var(--hairline);
  padding: 6.5rem 0 7.5rem;
}

.contact p {
  margin-top: 1rem;
  color: var(--muted);
  max-width: 34rem;
}

.mail-link {
  display: inline-block;
  margin-top: 2rem;
  font-size: clamp(1.5rem, 4vw, 2.375rem);
  font-weight: 600;
  letter-spacing: -0.025em;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--hairline);
  padding: 3.25rem 0;
  background: var(--surface);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.footer-name {
  font-weight: 600;
}

.footer-meta,
.footer-legal {
  font-size: 0.9063rem;
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 1.75rem;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.9063rem;
  color: var(--muted);
}

.footer-links a:hover {
  color: var(--ink);
}

/* Legal pages (privacy / terms) */

.legal-page {
  padding: 5rem 0 7rem;
}

.legal-page h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 600;
  letter-spacing: -0.03em;
}

.legal-updated {
  margin-top: 0.75rem;
  font-size: 0.9063rem;
  color: var(--muted);
}

.legal-page h2 {
  margin-top: 2.75rem;
  font-size: 1.25rem;
}

.legal-page p,
.legal-page li {
  margin-top: 0.875rem;
  color: var(--muted);
  max-width: 44rem;
}

.legal-page ul {
  padding-left: 1.25rem;
}

/* Mobile */

@media (max-width: 900px) {
  .pillars {
    grid-template-columns: 1fr;
  }

  .tech-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .partner-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 5rem 0 6rem;
  }

  .what,
  .tech,
  .operate,
  .partners,
  .contact {
    padding: 4.25rem 0;
  }

  .operate-item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding: 1.5rem 0;
  }
}