/* Gaussian.ai — Gridiron: white, silver, black, one signal red */
:root {
  --jet: #0A0B0D;
  --ink: #131417;
  --panel: #17181C;
  --steel: #5A5E66;
  --silver: #9BA1A8;
  --frost: #C7CBD1;
  --snow: #F4F5F7;
  --signal: #C8102E;
  --edge: rgba(199, 203, 209, .18);
  --saber: #5FABFA;
  --saber-deep: #2E6CB8;
  --sunrise: linear-gradient(90deg, var(--saber-deep), var(--saber) 45%, var(--snow));
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--frost);
  background: var(--jet);
  line-height: 1.6;
}
a { color: var(--snow); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, .brandline, .cta {
  font-stretch: condensed;
}

/* Hero — the console */
.hero {
  background: linear-gradient(180deg, var(--ink) 0%, var(--jet) 100%);
  color: var(--snow);
  padding: 4.5rem 1.5rem 5.5rem;
  text-align: center;
  border-bottom: 1px solid var(--edge);
}
.hero .brandline {
  display: flex; align-items: center; justify-content: center; gap: .65rem;
  font-weight: 900; font-size: 1.15rem; letter-spacing: .22em;
  color: var(--frost); margin-bottom: 2.75rem;
}
.hero h1 {
  font-size: clamp(1.9rem, 4.5vw, 3.1rem);
  font-weight: 800; letter-spacing: -.02em;
  max-width: 17em; margin: 0 auto 1rem;
  color: var(--snow);
}
.hero h1 em {
  font-style: normal;
  background: var(--sunrise);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero .sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--silver); max-width: 38em; margin: 0 auto 2.25rem;
}
.curve-wrap { max-width: 620px; margin: 0 auto 2.5rem; }
.curve-wrap svg { width: 100%; height: auto; display: block;
  filter: drop-shadow(0 0 7px rgba(95, 171, 250, .45)); }
.cta {
  display: inline-block; background: var(--snow); color: var(--jet);
  font-weight: 800; padding: .85rem 1.9rem; border-radius: 999px;
  font-size: 1.05rem; letter-spacing: .02em;
  transition: transform .15s ease, background .15s ease;
}
.cta:hover { background: var(--frost); transform: translateY(-1px); text-decoration: none; }
.cta-note { margin-top: .8rem; font-size: .85rem; color: var(--steel); }

/* Sections */
.section { max-width: 880px; margin: 0 auto; padding: 4rem 1.5rem; }
.section h2 {
  font-size: 1.6rem; font-weight: 800; letter-spacing: .02em;
  color: var(--snow); margin-bottom: 1rem;
  text-transform: uppercase;
}
.section p.lead { font-size: 1.08rem; max-width: 42em; color: var(--silver); }
.pillars {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem; margin-top: 2rem;
}
.pillar {
  background: var(--panel); border: 1px solid var(--edge); border-radius: 14px;
  padding: 1.5rem 1.4rem;
}
.pillar h3 { color: var(--snow); font-size: 1.05rem; margin-bottom: .5rem; }
.pillar p { font-size: .95rem; color: var(--silver); }
.pillar .glyph { height: 30px; margin-bottom: .8rem; }
.pillar .glyph svg { height: 100%; width: auto; }

.privacy-band {
  background: var(--ink);
  border-top: 1px solid var(--edge);
  border-bottom: 1px solid var(--edge);
}
.privacy-band .section { padding: 3.5rem 1.5rem; }
.privacy-band blockquote {
  font-size: 1.25rem; font-weight: 600; color: var(--snow);
  border-left: 4px solid var(--signal); padding-left: 1.2rem; max-width: 36em;
  margin-top: 1.2rem;
}

/* Footer */
footer {
  background: var(--jet); color: var(--steel);
  border-top: 1px solid var(--edge);
  padding: 2.5rem 1.5rem; text-align: center; font-size: .9rem;
}
footer .links { margin-bottom: .8rem; }
footer .links a { color: var(--silver); margin: 0 .8rem; }
footer .tag { opacity: .8; }

/* Inner pages (privacy, support) */
.page { max-width: 720px; margin: 0 auto; padding: 3rem 1.5rem 4rem; }
.page h1 { color: var(--snow); font-size: 2rem; margin-bottom: .3rem; letter-spacing: -.01em; }
.page .updated { color: var(--steel); font-size: .9rem; margin-bottom: 2rem; }
.page h2 { color: var(--snow); font-size: 1.25rem; margin: 2rem 0 .6rem; }
.page p, .page li { color: var(--silver); margin-bottom: .8rem; }
.page ul { padding-left: 1.4rem; }
.topbar {
  background: var(--ink); padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--edge);
}
.topbar a {
  color: var(--frost); font-weight: 800; letter-spacing: .22em;
  display: inline-flex; align-items: center; gap: .5rem;
}

/* App mock — the scoring + next-step story, drawn live */
.appmock {
  background: var(--ink); border: 1px solid var(--edge); border-radius: 14px;
  margin-top: 2rem; overflow: hidden;
  box-shadow: 0 12px 40px rgba(0,0,0,.5), 0 0 0 1px rgba(95,171,250,.08);
}
.appmock .chrome {
  display: flex; gap: 6px; padding: 10px 14px;
  border-bottom: 1px solid var(--edge);
}
.appmock .chrome span { width: 11px; height: 11px; border-radius: 50%; background: #2a2c31; }
.appmock .mrow { padding: 14px 18px; border-bottom: 1px solid rgba(199,203,209,.08); }
.appmock .mrow:last-child { border-bottom: none; }
.appmock .mtitle {
  display: flex; align-items: center; gap: 10px;
  color: var(--snow); font-weight: 600; font-size: 1rem;
}
.appmock .ring {
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid var(--steel); flex: none;
}
.scorebug {
  display: inline-flex; align-items: stretch; border-radius: 4px; overflow: hidden;
  font-stretch: condensed; flex: none;
}
.scorebug .lbl {
  background: var(--jet); color: var(--frost);
  font-size: .55rem; font-weight: 800; letter-spacing: .08em;
  padding: 4px 6px; display: flex; align-items: center;
}
.scorebug .num {
  background: var(--saber-deep); color: #fff;
  font-size: .8rem; font-weight: 900; padding: 3px 7px;
  display: flex; align-items: center;
}
.appmock .lev {
  color: var(--saber); font-size: .75rem; font-weight: 700;
}
.appmock .nextstep {
  margin: 8px 0 0 26px; color: var(--saber);
  font-size: .95rem;
}
.appmock .nextstep::before { content: "\21B3\00A0"; color: var(--saber); }
.appmock .mquestion {
  margin: 8px 0 0 26px; color: var(--silver); font-size: .9rem; font-style: italic;
}
.appmock .mquestion::before { content: "?\00A0\00A0"; color: var(--saber); font-style: normal; font-weight: 800; }
.appmock .curveband {
  padding: 16px 18px 6px; border-bottom: 1px solid rgba(199,203,209,.08);
}
.appmock .curveband svg { width: 100%; height: auto; display: block; }
.appmock .scoreline {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 4px 18px 14px;
  font-stretch: condensed; letter-spacing: .06em;
}
.appmock .banked { color: var(--snow); font-weight: 900; font-size: 1.05rem; }
.appmock .banked small { color: var(--silver); font-weight: 700; font-size: .65rem; letter-spacing: .1em; }
.appmock .togo { color: var(--saber); font-weight: 800; font-size: .7rem; letter-spacing: .1em; }

/* Real screenshots */
.shots {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem; margin-top: 2rem; max-width: 720px;
}
.shots img {
  width: 100%; height: auto; display: block;
  border-radius: 28px;
  border: 1px solid var(--edge);
  box-shadow: 0 16px 48px rgba(0,0,0,.55), 0 0 24px rgba(95,171,250,.10);
}