/* ============================================================
   BrokerSetu — marketing landing
   Design direction: editorial + trust. Deep ink navy, warm paper
   surface, emerald "verified/growth" accent. Serif display
   (Fraunces) paired with Inter. Layered depth, no template gradients.
   ============================================================ */

:root {
  /* palette */
  --ink: oklch(24% 0.05 250);
  --ink-900: oklch(19% 0.045 255);
  --ink-700: oklch(34% 0.05 255);
  --paper: oklch(98.5% 0.008 90);
  --paper-2: oklch(96% 0.012 85);
  --surface: oklch(100% 0 0);
  --line: oklch(88% 0.01 255);

  --accent: oklch(62% 0.15 160);       /* emerald */
  --accent-deep: oklch(48% 0.13 162);
  --accent-soft: oklch(94% 0.05 160);
  --gold: oklch(78% 0.11 80);

  --text: oklch(26% 0.03 258);
  --text-muted: oklch(48% 0.02 258);
  --text-invert: oklch(97% 0.008 90);

  /* type */
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;

  --text-sm: 0.875rem;
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.075rem);
  --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.35rem);
  --h3: clamp(1.25rem, 1.05rem + 0.9vw, 1.6rem);
  --h2: clamp(1.9rem, 1.2rem + 3vw, 3.4rem);
  --hero: clamp(2.9rem, 1.4rem + 7vw, 6.5rem);

  /* space */
  --space-section: clamp(4.5rem, 3rem + 6vw, 9rem);
  --gutter: clamp(1.25rem, 0.5rem + 3vw, 3rem);
  --maxw: 1180px;

  /* motion */
  --dur: 320ms;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);

  --radius: 18px;
  --radius-sm: 12px;
  --shadow-sm: 0 1px 2px oklch(20% 0.04 255 / 0.06), 0 4px 14px oklch(20% 0.04 255 / 0.06);
  --shadow-md: 0 8px 24px oklch(20% 0.04 255 / 0.1), 0 2px 6px oklch(20% 0.04 255 / 0.08);
  --shadow-lg: 0 30px 60px oklch(20% 0.05 255 / 0.18);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 { font-family: var(--font-display); line-height: 1.05; font-weight: 600; color: var(--ink-900); letter-spacing: -0.01em; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--ink-900); color: var(--text-invert);
  padding: 0.6rem 1rem; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  font-family: var(--font-body); font-weight: 600; font-size: var(--text-base);
  padding: 0.7rem 1.25rem; border-radius: 999px; border: 1.5px solid transparent;
  cursor: pointer; transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), box-shadow var(--dur) var(--ease), color var(--dur) var(--ease);
  will-change: transform;
}
.btn-lg { padding: 0.95rem 1.7rem; font-size: var(--text-lg); }
.btn-block { width: 100%; }
.btn-primary { background: var(--accent-deep); color: var(--text-invert); box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--ink-900); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--ink-900); }
.btn-ghost:hover { border-color: var(--ink-900); transform: translateY(-2px); }
.btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

/* ---------- header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(1.4) blur(10px);
  background: oklch(98.5% 0.008 90 / 0.78);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.site-header.scrolled { border-bottom-color: var(--line); background: oklch(98.5% 0.008 90 / 0.92); }
.nav {
  max-width: var(--maxw); margin: 0 auto; padding: 0.9rem var(--gutter);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.brand { display: inline-flex; align-items: center; gap: 0.55rem; color: var(--ink-900); }
.brand-mark { color: var(--accent-deep); display: inline-flex; }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; letter-spacing: -0.02em; }
.nav-menu { display: flex; align-items: center; gap: 1.75rem; }
.nav-menu a { font-weight: 500; color: var(--text-muted); transition: color var(--dur) var(--ease); }
.nav-menu a:hover { color: var(--ink-900); }
.nav-menu .nav-cta { color: var(--text-invert); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--ink-900); border-radius: 2px; transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease); }

/* ---------- layout helpers ---------- */
main { display: block; }
section { padding-inline: var(--gutter); }
.section-head { max-width: var(--maxw); margin: 0 auto var(--gutter); }
.section-eyebrow {
  font-size: var(--text-sm); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent-deep); margin-bottom: 0.6rem;
}
.section-eyebrow.light { color: var(--accent); }
.section-head h2 { font-size: var(--h2); max-width: 16ch; }
.section-sub { color: var(--text-muted); max-width: 52ch; margin-top: 0.9rem; font-size: var(--text-lg); }
.eyebrow {
  font-size: var(--text-sm); font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--accent-deep);
}
.accent { color: var(--accent-deep); font-style: italic; }

/* ---------- hero ---------- */
.hero { padding-top: clamp(3rem, 2rem + 4vw, 6rem); padding-bottom: var(--space-section); position: relative; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(60% 50% at 80% 0%, var(--accent-soft), transparent 70%),
    radial-gradient(50% 40% at 0% 20%, oklch(95% 0.03 250), transparent 70%);
  opacity: 0.7;
}
.hero-inner {
  max-width: var(--maxw); margin: 0 auto;
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(2rem, 1rem + 4vw, 4.5rem);
  align-items: center;
}
.hero-copy > * + * { margin-top: 1.4rem; }
.hero h1 { font-size: var(--hero); font-weight: 600; letter-spacing: -0.03em; }
.lede { font-size: var(--text-lg); color: var(--text-muted); max-width: 46ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.9rem; }
.hero-trust {
  list-style: none; display: flex; flex-wrap: wrap; gap: 1.5rem;
  padding-top: 0.5rem; color: var(--text-muted); font-size: var(--text-sm);
}
.hero-trust strong { color: var(--ink-900); }
.hero-trust li { position: relative; padding-left: 1.1rem; }
.hero-trust li::before {
  content: ""; position: absolute; left: 0; top: 0.55em; width: 8px; height: 8px;
  border-radius: 50%; background: var(--accent);
}

/* hero visual */
.hero-visual { position: relative; min-height: 340px; display: grid; place-items: center; }
.hero-glow {
  position: absolute; inset: 10% 5%; z-index: 0; border-radius: 40% 60% 55% 45%;
  background: radial-gradient(circle, var(--accent-soft), transparent 65%);
  filter: blur(8px); opacity: 0.9;
}
.match-card {
  position: relative; z-index: 2; width: min(320px, 78%);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.1rem 1.2rem; box-shadow: var(--shadow-lg);
}
.card-a { transform: rotate(-3deg) translateX(-6%); }
.card-b { transform: rotate(3deg) translateX(6%); margin-top: -0.5rem; }
.match-card .pill {
  display: inline-block; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.06em;
  padding: 0.22rem 0.6rem; border-radius: 999px; margin-bottom: 0.6rem;
}
.pill-sell { background: var(--accent-soft); color: var(--accent-deep); }
.pill-buy { background: oklch(93% 0.04 250); color: oklch(45% 0.12 258); }
.mc-title { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; color: var(--ink-900); }
.mc-sub { font-size: var(--text-sm); color: var(--text-muted); margin-top: 0.2rem; }
.mc-broker { display: flex; align-items: center; gap: 0.45rem; margin-top: 0.75rem; font-size: var(--text-sm); font-weight: 500; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--line); display: inline-block; }
.dot.verified { background: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.match-line { position: relative; z-index: 1; width: 60%; color: var(--accent-deep); margin: -0.2rem 0; }
.match-line svg { width: 100%; height: 40px; }
.match-badge {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  background: var(--ink-900); color: var(--text-invert); font-size: 0.72rem; font-weight: 600;
  padding: 0.28rem 0.66rem; border-radius: 999px; white-space: nowrap; box-shadow: var(--shadow-md);
}

/* ---------- marquee strip ---------- */
.strip {
  background: var(--ink-900); color: var(--text-invert);
  padding-block: 0.9rem; overflow: hidden; --dur-marquee: 34s;
}
.strip-track {
  display: inline-flex; align-items: center; gap: 1.6rem; white-space: nowrap;
  font-family: var(--font-display); font-size: 1.05rem; font-weight: 500;
  animation: marquee var(--dur-marquee) linear infinite;
}
.strip-track span:not([aria-hidden]) { opacity: 0.92; }
.strip-track [aria-hidden] { color: var(--accent); }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .strip-track { animation: none; } }

/* ---------- problem ---------- */
.problem { padding-block: var(--space-section); }
.problem-grid {
  max-width: var(--maxw); margin: 0 auto;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem;
}
.problem-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.6rem; box-shadow: var(--shadow-sm);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.problem-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.problem-card h3 { font-size: var(--h3); margin-bottom: 0.5rem; }
.problem-card p { color: var(--text-muted); }

/* ---------- how ---------- */
.how { padding-block: var(--space-section); background: var(--paper-2); border-block: 1px solid var(--line); }
.steps {
  max-width: var(--maxw); margin: 0 auto; list-style: none;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; counter-reset: step;
}
.step { position: relative; padding: 1.7rem 1.5rem; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); }
.step-num { font-family: var(--font-display); font-size: 2.4rem; font-weight: 700; color: var(--accent); display: block; line-height: 1; margin-bottom: 0.8rem; }
.step h3 { font-size: var(--h3); margin-bottom: 0.45rem; }
.step p { color: var(--text-muted); }

/* ---------- features / bento ---------- */
.features { padding-block: var(--space-section); }
.bento {
  max-width: var(--maxw); margin: 0 auto;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem;
}
.bento-card {
  position: relative; overflow: hidden;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.7rem; box-shadow: var(--shadow-sm);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.bento-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.bento-lg { grid-column: span 2; grid-row: span 2; }
.feature-tag {
  display: inline-block; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--accent-deep); background: var(--accent-soft); padding: 0.24rem 0.6rem; border-radius: 999px; margin-bottom: 0.9rem;
}
.bento-card h3 { font-size: var(--h3); margin-bottom: 0.45rem; }
.bento-card p { color: var(--text-muted); }
.feature-ai { background: linear-gradient(160deg, var(--surface), var(--accent-soft) 220%); }

.parser-demo { margin-top: 1.4rem; display: grid; gap: 0.6rem; }
.parser-in {
  font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 0.82rem;
  background: var(--ink-900); color: var(--accent-soft); padding: 0.8rem 1rem; border-radius: var(--radius-sm);
}
.parser-arrow { text-align: center; color: var(--accent-deep); font-weight: 700; }
.parser-out { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.parser-out span {
  font-size: 0.78rem; font-weight: 600; background: var(--paper-2); border: 1px solid var(--line);
  color: var(--ink-900); padding: 0.35rem 0.7rem; border-radius: 999px;
}
.parser-out span:first-child { background: var(--accent-deep); color: var(--text-invert); border-color: transparent; }

/* ---------- trust ---------- */
.trust { padding-block: var(--space-section); }
.trust-inner {
  max-width: var(--maxw); margin: 0 auto; text-align: center;
  background: var(--ink-900); color: var(--text-invert);
  border-radius: calc(var(--radius) * 1.6); padding: clamp(2.5rem, 1.5rem + 4vw, 4.5rem) var(--gutter);
  position: relative; overflow: hidden;
}
.trust-inner::before {
  content: ""; position: absolute; inset: -40% 40% auto auto; width: 60%; aspect-ratio: 1;
  background: radial-gradient(circle, oklch(62% 0.15 160 / 0.35), transparent 65%); filter: blur(10px);
}
.trust-inner h2 { color: var(--text-invert); font-size: var(--h2); max-width: 18ch; margin: 0.4rem auto 0; }
.trust-stats {
  position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
  margin-top: clamp(2rem, 1rem + 3vw, 3.5rem);
}
.stat-num { font-family: var(--font-display); font-weight: 700; font-size: clamp(2.4rem, 1.5rem + 3vw, 3.6rem); color: var(--accent); display: block; line-height: 1; }
.stat-label { display: block; margin-top: 0.6rem; color: oklch(85% 0.01 90); font-size: var(--text-sm); }

/* ---------- cities ---------- */
.cities { padding-block: var(--space-section); background: var(--paper-2); border-block: 1px solid var(--line); }
.city-grid { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
.city-card {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem 1.4rem; min-height: 150px;
  display: flex; flex-direction: column; justify-content: space-between; background: var(--surface);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.city-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.city-status { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; }
.city-card.live .city-status { color: var(--accent-deep); }
.city-card.soon { background: var(--paper); border-style: dashed; }
.city-card.soon .city-status { color: var(--text-muted); }
.city-card h3 { font-size: var(--h3); }

/* ---------- cta / waitlist ---------- */
.cta { padding-block: var(--space-section); }
.cta-inner {
  max-width: var(--maxw); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 1rem + 4vw, 4rem); align-items: center;
}
.cta-copy h2 { font-size: var(--h2); }
.cta-copy p { color: var(--text-muted); font-size: var(--text-lg); margin-top: 1rem; max-width: 42ch; }
.cta-points { list-style: none; margin-top: 1.4rem; display: grid; gap: 0.6rem; }
.cta-points li { position: relative; padding-left: 1.6rem; font-weight: 500; }
.cta-points li::before {
  content: "✓"; position: absolute; left: 0; top: 0; color: var(--accent-deep); font-weight: 800;
}
.waitlist-form {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(1.5rem, 1rem + 2vw, 2.25rem); box-shadow: var(--shadow-md);
  display: grid; gap: 1rem;
}
.field { display: grid; gap: 0.35rem; }
.field label { font-size: var(--text-sm); font-weight: 600; color: var(--ink-700); }
.field input, .field select {
  font-family: var(--font-body); font-size: var(--text-base); color: var(--text);
  padding: 0.75rem 0.9rem; border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  background: var(--paper); transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.field input:focus, .field select:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft);
}
.form-note { font-size: var(--text-sm); color: var(--text-muted); text-align: center; }

/* ---------- footer ---------- */
.site-footer { background: var(--ink-900); color: var(--text-invert); padding-top: clamp(3rem, 2rem + 3vw, 4.5rem); }
.footer-inner {
  max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2rem; padding-bottom: 2.5rem;
}
.footer-brand { max-width: 34ch; }
.footer-brand .brand-name { color: var(--text-invert); font-size: 1.4rem; }
.footer-brand p { color: oklch(80% 0.01 90); margin-top: 0.5rem; font-size: var(--text-sm); }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.5rem; align-items: center; }
.footer-links a { color: oklch(85% 0.01 90); font-weight: 500; transition: color var(--dur) var(--ease); }
.footer-links a:hover { color: var(--accent); }
.footer-base {
  border-top: 1px solid oklch(40% 0.03 255 / 0.5); padding: 1.4rem var(--gutter);
  text-align: center; color: oklch(72% 0.01 90); font-size: var(--text-sm);
  max-width: var(--maxw); margin: 0 auto;
}

/* ---------- reveal on scroll ---------- */
[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
[data-reveal].in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { [data-reveal] { opacity: 1; transform: none; } }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { order: -1; min-height: 300px; }
  .problem-grid, .steps { grid-template-columns: 1fr; }
  .bento { grid-template-columns: 1fr 1fr; }
  .bento-lg { grid-column: span 2; grid-row: auto; }
  .trust-stats { grid-template-columns: 1fr; gap: 1.75rem; }
  .city-grid { grid-template-columns: 1fr 1fr; }
  .cta-inner { grid-template-columns: 1fr; }

  .nav-toggle { display: flex; }
  .nav-menu {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0.25rem;
    background: var(--surface); border-bottom: 1px solid var(--line);
    padding: 1rem var(--gutter) 1.4rem; box-shadow: var(--shadow-md);
    clip-path: inset(0 0 100% 0); pointer-events: none; opacity: 0;
    transition: clip-path var(--dur) var(--ease), opacity var(--dur) var(--ease);
  }
  .nav-menu.open { clip-path: inset(0 0 0 0); pointer-events: auto; opacity: 1; }
  .nav-menu a { padding: 0.55rem 0; width: 100%; }
  .nav-cta { margin-top: 0.5rem; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

@media (max-width: 560px) {
  .bento { grid-template-columns: 1fr; }
  .bento-lg { grid-column: auto; }
  .city-grid { grid-template-columns: 1fr; }
  .hero-trust { gap: 1rem 1.25rem; }
}