/* ─────────────────────────────────────────────────────────────
 * Carto marketing site — design system
 * Apple-style restraint: near-black type on white and #F5F5F7,
 * a single blue accent, hairline rules, no gradients or glows.
 * The Carto logo is the only place colour appears.
 * ──────────────────────────────────────────────────────────── */

:root {
  /* Apple-style neutral system: near-black type, warm greys, one blue accent.
     Colour is carried by the Carto logo, not the chrome. */
  --accent: #0071E3;
  --accent-2: #0077ED;
  --accent-soft: #EDF4FE;
  --accent-3: #2997FF;          /* accent on dark surfaces */
  --cobalt: #0071E3;
  --green: #248A3D;
  --green-soft: #E9F6EC;
  --orange: #B25000;
  --red: #D70015;

  --ink: #1D1D1F;
  --ink-2: #6E6E73;
  --ink-3: #86868B;
  --hairline: #D2D2D7;
  --bg: #FFFFFF;
  --bg-2: #F5F5F7;
  --sunk: #F0F0F2;

  --dark: #000000;
  --dark-2: #1D1D1F;
  --dark-ink: #F5F5F7;
  --dark-ink-2: #A1A1A6;
  --dark-hairline: #2C2C2E;

  --r-sm: 12px;
  --r-md: 16px;
  --r-lg: 18px;
  --r-xl: 28px;
  --pill: 999px;

  --maxw: 1180px;
  --pad: 24px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 20px rgba(0,0,0,.08);
  --shadow-accent: none;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; }
a { color: inherit; }

h1, h2, h3, h4 {
  margin: 0;
  line-height: 1.1;
  letter-spacing: -0.025em;
  font-weight: 640;
}
h1 { font-size: clamp(38px, 6.2vw, 68px); letter-spacing: -0.035em; }
h2 { font-size: clamp(29px, 3.9vw, 44px); letter-spacing: -0.03em; }
h3 { font-size: clamp(19px, 2vw, 23px); }
p { margin: 0; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad); }
.narrow { max-width: 780px; }

/* ── Nav ───────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--hairline);
}
.nav-in { display: flex; align-items: center; gap: 28px; height: 66px; }
.logo { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; font-weight: 660; letter-spacing: -0.03em; font-size: 20px; }
.logo img { width: 26px; height: 26px; flex: none; }
.nav-links { display: flex; gap: 26px; margin-left: 6px; }
.nav-links a { text-decoration: none; color: var(--ink-2); font-size: 15px; font-weight: 500; transition: color .15s; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink); }
.nav-cta { margin-left: auto; display: flex; align-items: center; gap: 14px; }

/* ── Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 24px; border-radius: var(--pill);
  font-size: 15.5px; font-weight: 570; text-decoration: none;
  border: 1px solid transparent; cursor: pointer;
  transition: background .18s ease, border-color .18s ease, opacity .18s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-2); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--hairline); box-shadow: var(--shadow-sm); }
.btn-ghost:hover { border-color: var(--ink-3); }
.btn-dark { background: #fff; color: var(--dark); }
.btn-dark:hover { opacity: .88; }
.btn-sm { padding: 9px 18px; font-size: 14.5px; }
.btn-line { background: transparent; border-color: rgba(255,255,255,.28); color: #fff; }
.btn-line:hover { border-color: rgba(255,255,255,.55); }

/* ── Sections ──────────────────────────────────────────── */
section { padding: clamp(64px, 9vw, 120px) 0; }
.sec-tight { padding: clamp(48px, 6vw, 80px) 0; }
.bg-soft { background: var(--bg-2); }
.bg-dark { background: var(--dark); color: var(--dark-ink); }
.bg-dark h2, .bg-dark h3 { color: #fff; }
.bg-dark .lead, .bg-dark p { color: var(--dark-ink-2); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; font-weight: 640; letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-3); margin-bottom: 18px;
}
.bg-dark .eyebrow { color: var(--accent-3); }
.eyebrow::before { content: ""; width: 18px; height: 1.5px; background: currentColor; opacity: .5; }

.lead { font-size: clamp(17.5px, 2vw, 21px); color: var(--ink-2); line-height: 1.55; }
.sec-head { max-width: 720px; margin-bottom: clamp(36px, 5vw, 60px); }
.sec-head p { margin-top: 18px; }

/* ── Hero ──────────────────────────────────────────────── */
.hero { padding: clamp(56px, 8vw, 104px) 0 clamp(56px, 7vw, 96px); position: relative; }
.hero .wrap { position: relative; z-index: 1; }
.hero h1 { max-width: 16ch; }
.hero .lead { max-width: 56ch; margin-top: 26px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-note { margin-top: 20px; font-size: 14.5px; color: var(--ink-3); }

/* ── Grid + cards ──────────────────────────────────────── */
.grid { display: grid; gap: 20px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border: 1px solid var(--hairline); border-radius: var(--r-lg);
  padding: 28px; box-shadow: var(--shadow-sm);
  transition: transform .2s cubic-bezier(.2,.8,.2,1), box-shadow .2s, border-color .2s;
}
.card:hover { border-color: var(--ink-3); }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--ink-2); font-size: 15.5px; }
.card-flat:hover { border-color: var(--hairline); }

.bg-dark .card {
  background: var(--dark-2); border-color: var(--dark-hairline); box-shadow: none;
}
.bg-dark .card:hover { border-color: #48484A; }
.bg-dark .card p { color: var(--dark-ink-2); }

.icon {
  width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent); margin-bottom: 18px; font-size: 20px;
}
.bg-dark .icon { background: rgba(255,255,255,.10); color: var(--accent-3); }

/* ── Split feature rows ────────────────────────────────── */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px, 6vw, 76px); align-items: center; }
.split + .split { margin-top: clamp(56px, 8vw, 104px); }
.split.rev > :first-child { order: 2; }

/* ── Chips / status ────────────────────────────────────── */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.chip {
  font-size: 13px; font-weight: 560; padding: 6px 13px; border-radius: var(--pill);
  background: var(--sunk); color: var(--ink-2); border: 1px solid transparent;
}
.bg-dark .chip { background: rgba(255,255,255,.07); color: var(--dark-ink-2); }
.chip-live { background: var(--green-soft); color: var(--green); }
.chip-soon { background: #FFF4E8; color: #A85B14; }
.bg-dark .chip-live { background: rgba(47,126,6,.2); color: #9BDD73; }
.bg-dark .chip-soon { background: rgba(238,116,33,.18); color: #FFC08A; }

.status { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 620; letter-spacing: .04em; text-transform: uppercase; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }

/* ── Stat strip ────────────────────────────────────────── */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; background: var(--hairline); border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--hairline); }
.stat { background: #fff; padding: 30px 26px; }
.stat b { display: block; font-size: clamp(28px, 3.4vw, 38px); font-weight: 660; letter-spacing: -.03em; line-height: 1.05; }
.stat span { display: block; margin-top: 8px; font-size: 14px; color: var(--ink-2); }
.bg-dark .stats { background: var(--dark-hairline); border-color: var(--dark-hairline); }
.bg-dark .stat { background: var(--dark-2); }

/* ── Chat mock (the ATOM demo) ─────────────────────────── */
.chat {
  background: #fff; border: 1px solid var(--hairline); border-radius: var(--r-xl);
  box-shadow: var(--shadow-md); padding: 22px; max-width: 440px;
}
.chat-head { display: flex; align-items: center; gap: 10px; padding-bottom: 16px; border-bottom: 1px solid var(--hairline); margin-bottom: 18px; }
.chat-avatar { width: 34px; height: 34px; border-radius: 50%; background: linear-gradient(135deg, var(--accent), var(--accent-3)); display: grid; place-items: center; color: #fff; font-weight: 700; font-size: 13px; }
.chat-name { font-weight: 600; font-size: 15px; }
.chat-sub { font-size: 12.5px; color: var(--ink-3); }
.bubble { padding: 11px 15px; border-radius: 18px; font-size: 15px; line-height: 1.45; margin-bottom: 10px; max-width: 86%; }
.b-them { background: var(--sunk); border-bottom-left-radius: 6px; }
.b-me { background: var(--accent); color: #fff; margin-left: auto; border-bottom-right-radius: 6px; }
.chat-foot { margin-top: 16px; padding-top: 14px; border-top: 1px dashed var(--hairline); font-size: 13px; color: var(--ink-3); display: flex; gap: 8px; align-items: center; }

/* ── Table ─────────────────────────────────────────────── */
.tbl { width: 100%; border-collapse: collapse; font-size: 15.5px; }
.tbl th, .tbl td { text-align: left; padding: 16px 18px; border-bottom: 1px solid var(--hairline); vertical-align: top; }
.tbl th { font-size: 12.5px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); font-weight: 620; }
.tbl td:first-child { font-weight: 580; white-space: nowrap; }
.tbl tr:last-child td { border-bottom: 0; }

/* ── Pricing ───────────────────────────────────────────── */
.price-card { display: flex; flex-direction: column; }
.price-card.featured { border-color: var(--accent); box-shadow: var(--shadow-accent); position: relative; }
.price-tag { font-size: clamp(34px, 4vw, 44px); font-weight: 660; letter-spacing: -.035em; margin: 6px 0 4px; }
.price-tag small { font-size: 16px; font-weight: 500; color: var(--ink-3); letter-spacing: 0; }
.price-list { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 11px; }
.price-list li { display: flex; gap: 10px; font-size: 15px; color: var(--ink-2); line-height: 1.45; }
.price-list li::before { content: "✓"; color: var(--green); font-weight: 700; flex: none; }
.price-card .btn { margin-top: 26px; }
.badge-top { position: absolute; top: -12px; left: 28px; background: var(--accent); color: #fff; font-size: 12px; font-weight: 620; padding: 5px 13px; border-radius: var(--pill); letter-spacing: .02em; }

/* ── CTA band ──────────────────────────────────────────── */
.cta-band {
  background: var(--dark);
  color: #fff; border-radius: var(--r-xl); padding: clamp(40px, 6vw, 68px);
  text-align: center;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,.82); margin-top: 16px; }
.cta-band .hero-cta { justify-content: center; }

/* ── Footer ────────────────────────────────────────────── */
footer { border-top: 1px solid var(--hairline); padding: 56px 0 40px; background: var(--bg-2); }
.foot-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 40px; }
.foot-grid h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); margin-bottom: 14px; font-weight: 620; }
.foot-grid a { display: block; text-decoration: none; color: var(--ink-2); font-size: 15px; padding: 5px 0; }
.foot-grid a:hover { color: var(--accent); }
.foot-bottom { margin-top: 44px; padding-top: 24px; border-top: 1px solid var(--hairline); display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; font-size: 14px; color: var(--ink-3); }

/* ── Legal / prose pages ───────────────────────────────── */
.legal-meta { margin-top: 24px; font-size: 14.5px; color: var(--ink-3); }

.legal { font-size: 16.5px; line-height: 1.72; color: var(--ink-2); }
.legal > :first-child { margin-top: 0; }
.legal h2 {
  margin: 54px 0 16px; color: var(--ink);
  font-size: clamp(23px, 2.6vw, 29px); scroll-margin-top: 88px;
}
.legal h3 {
  margin: 34px 0 12px; color: var(--ink);
  font-size: clamp(17.5px, 1.8vw, 20px); scroll-margin-top: 88px;
}
.legal p { margin: 16px 0; }
.legal ul, .legal ol { margin: 16px 0; padding-left: 26px; }
.legal li { margin: 9px 0; padding-left: 4px; }
.legal li::marker { color: var(--ink-3); }
.legal strong { color: var(--ink); font-weight: 620; }
.legal a { color: var(--accent); text-decoration: none; border-bottom: 1px solid rgba(126,20,255,.3); }
.legal a:hover { border-bottom-color: var(--accent); }
.legal .btn { border-bottom: 0; }
.legal .tbl { margin: 24px 0; }
.legal .tbl td:first-child { white-space: normal; }
.legal .grid { margin: 24px 0; }
.legal .card { margin: 24px 0; }
.legal .grid .card { margin: 0; }
.legal .card > :first-child { margin-top: 0; }
.legal .card > :last-child { margin-bottom: 0; }
.legal .card h3 { margin-bottom: 10px; }

.legal-toc { margin: 18px 0 0; padding-left: 26px; }
.legal-toc li { margin: 7px 0; padding-left: 4px; }

/* ── Reveal on scroll ──────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s cubic-bezier(.2,.8,.2,1), transform .6s cubic-bezier(.2,.8,.2,1); }
.reveal.in { opacity: 1; transform: none; }

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 940px) {
  .g4 { grid-template-columns: repeat(2, 1fr); }
  .g3 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .split, .split.rev { grid-template-columns: 1fr; }
  .split.rev > :first-child { order: 0; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 700px) {
  body { font-size: 16px; }
  .nav-links { display: none; }
  .g2, .g3, .g4 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; gap: 28px; }
  .chat { max-width: none; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}