/* DeepSearch — marketing site. Editorial "Atlas" system: warm paper, terracotta
   accent, Newsreader serif + IBM Plex Mono. Light, calm, premium. */

:root {
  --paper: #f4f3f1;
  --surface: #fcfbfa;
  --surface-2: #edece9;
  --ink: #1b1a17;
  --accent: #5c2b2e;
  --coral: #ff8a80;
  --text: #1b1a17;
  --text-2: #76746d;
  --text-3: #9c9a93;
  --line: #deddd9;
  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --radius: 18px;
  --maxw: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 14px;
}
h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -0.01em; margin: 0; }
h1 { font-size: clamp(40px, 7vw, 68px); line-height: 1.04; }
h2 { font-size: clamp(28px, 4.4vw, 40px); line-height: 1.1; }
h3 { font-size: 21px; }
p { margin: 0 0 16px; color: var(--text-2); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-weight: 600; font-size: 14px;
  letter-spacing: 0.02em; text-transform: uppercase;
  padding: 14px 22px; border-radius: 14px; border: 1px solid transparent;
  cursor: pointer; transition: transform .12s ease, opacity .2s ease;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--ink); color: var(--paper); box-shadow: 0 10px 24px rgba(27,26,23,.18); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: saturate(1.2) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--serif); font-size: 20px; font-weight: 600; }
.brand .mark {
  width: 30px; height: 30px; border-radius: 9px; background: var(--ink);
  display: grid; place-items: center;
}
.brand .mark svg { width: 17px; height: 17px; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { font-family: var(--mono); font-size: 13px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--text-2); }
.nav-links a:hover { color: var(--text); }
@media (max-width: 720px) { .nav-links .hide-sm { display: none; } }

/* Hero */
.hero { padding: 80px 0 64px; position: relative; overflow: hidden; }
.hero .wrap { position: relative; z-index: 2; max-width: 820px; }
.hero h1 { margin-bottom: 20px; }
.hero .lead { font-size: clamp(18px, 2.2vw, 21px); max-width: 620px; margin-bottom: 30px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.hero-note { font-family: var(--mono); font-size: 12px; color: var(--text-3); margin-top: 18px; letter-spacing: .02em; }
.orb {
  position: absolute; right: -140px; top: -60px; width: 460px; height: 460px; z-index: 1;
  background:
    radial-gradient(closest-side, rgba(168,85,247,.20), transparent 70%),
    radial-gradient(closest-side, rgba(34,211,238,.16), transparent 70%);
  filter: blur(6px); border-radius: 50%; pointer-events: none;
  animation: float 9s ease-in-out infinite;
}
@keyframes float { 0%,100% { transform: translateY(0) scale(1); } 50% { transform: translateY(18px) scale(1.04); } }

/* Category pills */
.pills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.pill {
  font-family: var(--mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase;
  color: var(--text-2); background: var(--surface); border: 1px solid var(--line);
  padding: 8px 14px; border-radius: 999px;
}

/* Sections */
section { padding: 74px 0; }
.section-head { max-width: 640px; margin-bottom: 40px; }
.section-head p { margin-top: 12px; margin-bottom: 0; }

/* Feature grid */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 860px) { .grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .grid { grid-template-columns: 1fr; } }
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px;
}
.card .ic {
  width: 44px; height: 44px; border-radius: 12px; background: var(--surface-2);
  display: grid; place-items: center; margin-bottom: 16px; color: var(--accent);
}
.card .ic svg { width: 22px; height: 22px; }
.card h3 { margin-bottom: 8px; }
.card p { margin: 0; font-size: 15px; }

/* How it works */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 720px) { .steps { grid-template-columns: 1fr; } }
.step .num { font-family: var(--mono); font-size: 13px; color: var(--accent); letter-spacing: .1em; }
.step h3 { margin: 10px 0 6px; }
.step p { margin: 0; font-size: 15px; }

/* Pricing */
.price-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; max-width: 720px; }
@media (max-width: 620px) { .price-wrap { grid-template-columns: 1fr; } }
.price {
  background: var(--surface); border: 1.5px solid var(--line); border-radius: var(--radius); padding: 26px; position: relative;
}
.price.best { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 5%, var(--surface)); }
.price .tag {
  position: absolute; top: -11px; right: 18px; background: var(--accent); color: var(--paper);
  font-family: var(--mono); font-size: 10px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  padding: 4px 9px; border-radius: 7px;
}
.price .plan { font-family: var(--serif); font-size: 22px; }
.price .amt { font-size: 30px; font-family: var(--serif); font-weight: 600; margin-top: 6px; }
.price .amt small { font-size: 15px; color: var(--text-3); font-family: var(--sans); }

/* CTA band */
.band {
  background: var(--ink); color: var(--paper); border-radius: 26px; padding: 56px 40px; text-align: center;
}
.band h2 { color: var(--paper); }
.band p { color: rgba(244,243,241,.7); max-width: 520px; margin: 12px auto 26px; }
.band .btn-primary { background: var(--paper); color: var(--ink); }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 48px 0 60px; margin-top: 20px; }
.foot { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: flex-start; }
.foot-links { display: flex; gap: 22px; flex-wrap: wrap; }
.foot-links a { font-family: var(--mono); font-size: 13px; letter-spacing: .04em; text-transform: uppercase; color: var(--text-2); }
.foot-links a:hover { color: var(--text); }
.foot .copy { font-family: var(--mono); font-size: 12px; color: var(--text-3); }

/* Legal / doc pages */
.doc { padding: 56px 0 40px; max-width: 760px; }
.doc h1 { font-size: clamp(32px, 5vw, 44px); margin-bottom: 8px; }
.doc .updated { font-family: var(--mono); font-size: 12px; color: var(--text-3); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 34px; }
.doc h2 { font-size: 22px; margin: 34px 0 10px; }
.doc p, .doc li { color: var(--text-2); font-size: 16px; }
.doc ul { padding-left: 20px; }
.doc a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.doc .back { display: inline-block; font-family: var(--mono); font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--text-2); margin-bottom: 24px; }