@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&display=swap');

:root {
  --ink: #0b1220;
  --ink-soft: #172033;
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --sky: #38bdf8;
  --blue-wash: #edf5ff;
  --paper: #ffffff;
  --canvas: #f7f8fb;
  --warm: #fbfaf7;
  --muted: #647084;
  --line: #dfe5ee;
  --success: #16a06a;
  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 30px;
  --shadow-sm: 0 8px 30px rgba(11, 18, 32, 0.06);
  --shadow: 0 24px 70px rgba(11, 18, 32, 0.13);
  --max: 1180px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  min-width: 320px;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Manrope', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }

a { color: inherit; }
img { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  transform: translateY(-150%);
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  padding: 10px 14px;
  text-decoration: none;
}

.skip-link:focus { transform: translateY(0); }

:focus-visible {
  outline: 3px solid rgba(56, 189, 248, 0.65);
  outline-offset: 3px;
}

.shell {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(223, 229, 238, 0.8);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(18px);
}

.site-nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-size: 0.94rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.brand-logo {
  width: 92px;
  height: 52px;
  object-fit: cover;
  object-position: center;
  border: 1px solid rgba(37, 99, 235, 0.14);
  border-radius: 10px;
  box-shadow: 0 5px 16px rgba(11, 18, 32, 0.1);
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(37, 99, 235, 0.18);
  border-radius: 11px;
  background: linear-gradient(145deg, #eff6ff, #dbeafe);
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: -0.06em;
  box-shadow: inset 0 1px 0 #fff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-links a {
  color: #596478;
  font-size: 0.86rem;
  font-weight: 650;
  text-decoration: none;
  transition: color 160ms ease;
}

.nav-links a:hover,
.nav-links a.active { color: var(--ink); }

.nav-links .nav-cta {
  border-radius: 10px;
  background: var(--ink);
  color: #fff;
  padding: 11px 17px;
  box-shadow: 0 8px 20px rgba(11, 18, 32, 0.14);
}

.nav-links .nav-cta:hover { color: #fff; background: var(--blue); }

.menu-button {
  width: 44px;
  height: 44px;
  display: none;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
}

.menu-icon,
.menu-icon::before,
.menu-icon::after {
  width: 19px;
  height: 2px;
  display: block;
  border-radius: 10px;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-icon { position: relative; }
.menu-icon::before, .menu-icon::after { content: ''; position: absolute; left: 0; }
.menu-icon::before { top: -6px; }
.menu-icon::after { top: 6px; }
.menu-button[aria-expanded='true'] .menu-icon { background: transparent; }
.menu-button[aria-expanded='true'] .menu-icon::before { transform: translateY(6px) rotate(45deg); }
.menu-button[aria-expanded='true'] .menu-icon::after { transform: translateY(-6px) rotate(-45deg); }

.eyebrow,
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--blue);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.badge {
  border: 1px solid #d8e9ff;
  border-radius: 100px;
  background: rgba(237, 245, 255, 0.9);
  padding: 8px 12px;
  letter-spacing: 0.04em;
  text-transform: none;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(22, 160, 106, 0.12);
}

h1, h2, h3, h4 { text-wrap: balance; }

h1 {
  font-size: clamp(2.75rem, 6.3vw, 5.55rem);
  font-weight: 800;
  line-height: 0.99;
  letter-spacing: -0.065em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.55rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.052em;
}

h3 {
  font-size: 1.12rem;
  line-height: 1.3;
  letter-spacing: -0.025em;
}

p { line-height: 1.75; }
.muted { color: var(--muted); }
.center { text-align: center; }

.section {
  padding-block: 112px;
}

.section-soft { background: var(--canvas); }
.section-warm { background: var(--warm); }
.section-dark { background: var(--ink); color: #fff; }

.section-head {
  max-width: 760px;
  margin-bottom: 54px;
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

.section-head .eyebrow { margin-bottom: 16px; }
.section-head h2 { margin-bottom: 18px; }
.section-head p { max-width: 650px; color: var(--muted); font-size: 1.02rem; }
.section-head.center p { margin-inline: auto; }
.section-dark .section-head p { color: #aab5c7; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.btn {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 1px solid transparent;
  border-radius: 11px;
  padding: 13px 20px;
  font-size: 0.9rem;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 12px 28px rgba(37, 99, 235, 0.22); }
.btn-primary:hover { background: var(--blue-dark); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: var(--blue); }
.btn-light { background: #fff; color: var(--ink); }
.btn-light:hover { background: var(--blue-wash); }
.btn-secondary { border-color: var(--line); background: #fff; color: var(--ink); }
.btn-secondary:hover { border-color: #b8c4d4; }
.btn-ghost { color: var(--blue); padding-inline: 4px; }
.btn-block { width: 100%; }

.hero-home {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 87% 16%, rgba(56, 189, 248, 0.17), transparent 26%),
    radial-gradient(circle at 70% 45%, rgba(37, 99, 235, 0.10), transparent 28%),
    linear-gradient(180deg, #fff 0%, #fbfdff 100%);
}

.hero-home::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.32;
  pointer-events: none;
  background-image: linear-gradient(rgba(37, 99, 235, 0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(37, 99, 235, 0.05) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to right, transparent 0%, #000 55%, #000 100%);
}

.hero-grid {
  position: relative;
  z-index: 1;
  min-height: 700px;
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  align-items: center;
  gap: clamp(44px, 7vw, 96px);
  padding-block: 78px 88px;
}

.hero-copy h1 { max-width: 750px; margin: 24px 0 24px; }
.hero-copy h1 span { color: var(--blue); }
.hero-copy > p { max-width: 620px; color: var(--muted); font-size: clamp(1.02rem, 1.7vw, 1.18rem); }
.hero-copy .btn-row { margin-top: 34px; }

.micro-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 28px;
  color: #536075;
  font-size: 0.78rem;
  font-weight: 700;
}

.micro-proof span { display: inline-flex; align-items: center; gap: 7px; }
.micro-proof span::before { content: '✓'; color: var(--success); font-weight: 900; }

.product-window {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.88);
  padding: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.product-window::after {
  content: '';
  position: absolute;
  right: -42px;
  bottom: -42px;
  z-index: -1;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: linear-gradient(140deg, var(--blue), var(--sky));
  filter: blur(4px);
  opacity: 0.16;
}

.window-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 5px 4px 15px;
}

.window-brand { display: flex; align-items: center; gap: 10px; font-size: 0.82rem; font-weight: 800; }
.restaurant-mark { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; background: #fef3c7; color: #92400e; font-size: 0.75rem; }
.status { display: inline-flex; align-items: center; gap: 6px; color: var(--success); font-size: 0.7rem; font-weight: 800; }
.status::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }

.chat-panel {
  border-radius: 22px;
  background: var(--ink-soft);
  color: #fff;
  padding: 24px;
  overflow: hidden;
}

.chat-kicker { color: #95a4ba; font-size: 0.69rem; font-weight: 800; letter-spacing: 0.11em; text-transform: uppercase; }
.chat-title { margin: 6px 0 22px; font-size: 1.34rem; font-weight: 800; letter-spacing: -0.035em; }
.conversation { display: flex; flex-direction: column; gap: 11px; }
.bubble { max-width: 88%; border-radius: 15px; padding: 11px 14px; font-size: 0.78rem; line-height: 1.55; }
.bubble-user { align-self: flex-end; border-bottom-right-radius: 4px; background: var(--blue); }
.bubble-bot { align-self: flex-start; border-bottom-left-radius: 4px; background: #273249; color: #e7edf7; }
.typing { display: flex; gap: 4px; align-items: center; width: max-content; }
.typing i { width: 5px; height: 5px; border-radius: 50%; background: #8ba0bc; animation: pulse 1.3s infinite; }
.typing i:nth-child(2) { animation-delay: 0.15s; }
.typing i:nth-child(3) { animation-delay: 0.3s; }

@keyframes pulse { 0%, 60%, 100% { opacity: 0.35; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-2px); } }

.stats-band { border-block: 1px solid var(--line); background: var(--warm); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 28px 26px; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; padding-left: 0; }
.stat-value { display: block; color: var(--ink); font-size: clamp(1.4rem, 3vw, 1.85rem); font-weight: 800; letter-spacing: -0.05em; }
.stat-label { display: block; margin-top: 3px; color: var(--muted); font-size: 0.76rem; font-weight: 650; line-height: 1.45; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 30px;
  box-shadow: var(--shadow-sm);
}

.card-number,
.icon-box {
  width: 43px;
  height: 43px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--blue-wash);
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 800;
}

.card h3 { margin-top: 22px; }
.card p { margin-top: 10px; color: var(--muted); font-size: 0.89rem; }

.demo-grid,
.split-layout,
.founder-grid,
.contact-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  align-items: center;
  gap: clamp(46px, 8vw, 110px);
}

.demo-prompts { display: flex; flex-direction: column; gap: 10px; margin-top: 28px; }
.demo-prompt {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border: 1px solid #303c52;
  border-radius: 12px;
  background: #141d2e;
  color: #cfdaea;
  padding: 14px 16px;
  text-align: left;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease;
}

.demo-prompt::after { content: '→'; color: var(--sky); }
.demo-prompt:hover, .demo-prompt.active { border-color: var(--blue); background: #1a2941; color: #fff; }

.demo-output {
  min-height: 360px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border: 1px solid #2d3950;
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, #151f32, #111928);
  padding: clamp(24px, 4vw, 42px);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.25);
}

.demo-output .bubble { font-size: 0.88rem; }
.demo-output-label { margin-bottom: 22px; color: #91a1b9; font-size: 0.7rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; }

.report-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow);
}

.report-top { display: flex; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--line); padding: 22px 24px; }
.report-top strong { font-size: 0.92rem; }
.sample-tag { border-radius: 100px; background: var(--blue-wash); color: var(--blue); padding: 6px 9px; font-size: 0.66rem; font-weight: 800; text-transform: uppercase; }
.report-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); }
.report-metric { background: #fff; padding: 24px; }
.report-metric span { display: block; color: var(--muted); font-size: 0.7rem; font-weight: 700; }
.report-metric strong { display: block; margin-top: 6px; font-size: 1.65rem; letter-spacing: -0.05em; }
.report-list { padding: 24px; }
.report-row { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 16px; padding: 11px 0; color: #536075; font-size: 0.82rem; }
.report-bar { height: 7px; margin-top: 7px; overflow: hidden; border-radius: 100px; background: #edf1f6; }
.report-bar i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--blue), var(--sky)); }

.check-list { list-style: none; display: grid; gap: 14px; }
.check-list li { display: flex; align-items: flex-start; gap: 12px; color: #4f5c70; font-size: 0.91rem; line-height: 1.6; }
.check-list li::before { content: '✓'; width: 22px; height: 22px; flex: 0 0 22px; display: grid; place-items: center; margin-top: 1px; border-radius: 50%; background: #e9f8f1; color: var(--success); font-size: 0.72rem; font-weight: 900; }

.founder-card {
  overflow: hidden;
  position: relative;
  min-height: 460px;
  border-radius: var(--radius-lg);
  background: #d8e1ec;
  box-shadow: var(--shadow);
}

.founder-card img { width: 100%; height: 100%; position: absolute; inset: 0; object-fit: cover; object-position: 50% 26%; }
.founder-label { position: absolute; right: 18px; bottom: 18px; left: 18px; border: 1px solid rgba(255,255,255,.4); border-radius: 14px; background: rgba(11,18,32,.78); color: #fff; padding: 14px 16px; backdrop-filter: blur(12px); }
.founder-label strong, .founder-label span { display: block; }
.founder-label strong { font-size: 0.92rem; }
.founder-label span { margin-top: 3px; color: #bdc9d9; font-size: 0.72rem; }

.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.principle { border-top: 2px solid var(--blue); padding-top: 20px; }
.principle p { margin-top: 8px; color: var(--muted); font-size: 0.86rem; }

.cta-panel {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--blue);
  color: #fff;
  padding: clamp(40px, 7vw, 80px);
}

.cta-panel::after { content: ''; position: absolute; right: -90px; top: -110px; width: 320px; height: 320px; border-radius: 50%; background: rgba(255,255,255,.12); }
.cta-panel h2 { max-width: 750px; }
.cta-panel p { max-width: 600px; margin: 18px 0 30px; color: #dbeafe; }
.cta-panel .btn-row { position: relative; z-index: 1; }

.page-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #fff, #f7fbff);
  padding-block: 90px 84px;
}

.page-hero::after { content: ''; position: absolute; width: 380px; height: 380px; right: -140px; top: -190px; border-radius: 50%; background: rgba(56,189,248,.13); filter: blur(8px); }
.page-hero-inner { position: relative; z-index: 1; max-width: 840px; }
.page-hero h1 { margin: 18px 0 22px; font-size: clamp(2.65rem, 5.5vw, 4.8rem); }
.page-hero p { max-width: 680px; color: var(--muted); font-size: 1.08rem; }

.feature-block { border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; padding: clamp(28px, 5vw, 54px); }
.feature-block h2 { font-size: clamp(1.8rem, 3.5vw, 3rem); margin: 14px 0 18px; }
.feature-block > p { color: var(--muted); }
.feature-block .check-list { margin-top: 28px; }

.channel-card { border-radius: var(--radius); background: #fff; border: 1px solid var(--line); padding: 26px; }
.channel-card .eyebrow { margin-bottom: 18px; }
.channel-card p { margin-top: 8px; color: var(--muted); font-size: 0.86rem; }

.pricing-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; align-items: start; }
.pricing-main { border: 2px solid var(--blue); border-radius: var(--radius-lg); background: #fff; padding: clamp(30px, 5vw, 52px); box-shadow: 0 24px 70px rgba(37,99,235,.12); }
.plan-label { color: var(--blue); font-size: .72rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.price { margin: 16px 0 12px; font-size: clamp(3.4rem, 8vw, 5.3rem); font-weight: 800; letter-spacing: -.075em; line-height: 1; }
.price span { color: var(--muted); font-size: .95rem; font-weight: 600; letter-spacing: 0; }
.pricing-main > p { color: var(--muted); }
.pricing-main .check-list { margin: 28px 0; grid-template-columns: repeat(2, 1fr); }
.risk-note { margin-top: 16px; color: var(--muted); font-size: .75rem; text-align: center; }

.add-ons { display: grid; gap: 14px; }
.add-on { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; padding: 25px; }
.add-on-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.add-on-price { color: var(--blue); font-size: 1.05rem; font-weight: 800; white-space: nowrap; }
.add-on p { margin-top: 8px; color: var(--muted); font-size: .83rem; }

.faq { max-width: 820px; margin-inline: auto; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { position: relative; list-style: none; cursor: pointer; padding: 24px 42px 24px 0; font-weight: 800; letter-spacing: -.02em; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; position: absolute; right: 0; top: 20px; color: var(--blue); font-size: 1.4rem; font-weight: 500; }
.faq-item[open] summary::after { content: '–'; }
.faq-item p { padding: 0 40px 24px 0; color: var(--muted); font-size: .9rem; }

.contact-grid { grid-template-columns: .8fr 1.2fr; align-items: start; }
.contact-actions { display: grid; gap: 12px; margin-top: 30px; }
.contact-action { display: flex; align-items: center; justify-content: space-between; gap: 16px; border: 1px solid var(--line); border-radius: 14px; background: #fff; padding: 16px 18px; text-decoration: none; }
.contact-action:hover { border-color: #b8c4d4; }
.contact-action small { display: block; color: var(--muted); margin-top: 3px; }
.contact-action::after { content: '→'; color: var(--blue); }

.contact-form { border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--canvas); padding: clamp(24px, 5vw, 44px); }
.contact-form h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
.contact-form > p { margin: 8px 0 28px; color: var(--muted); font-size: .88rem; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; margin-bottom: 8px; color: #344157; font-size: .76rem; font-weight: 800; }
.field input, .field textarea, .field select { width: 100%; border: 1px solid #ced7e4; border-radius: 11px; background: #fff; color: var(--ink); padding: 13px 14px; outline: 0; }
.field textarea { min-height: 125px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,.1); }
.form-note { margin-top: 12px; color: var(--muted); font-size: .72rem; text-align: center; }

.site-footer { background: var(--ink); color: #a9b5c7; padding: 70px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.55fr .7fr .9fr; gap: 70px; padding-bottom: 52px; }
.site-footer .brand { color: #fff; }
.site-footer .brand-mark { border-color: #314057; background: #17233a; color: #7dd3fc; box-shadow: none; }
.footer-about { max-width: 390px; margin-top: 18px; font-size: .84rem; }
.footer-col h3 { color: #fff; font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; }
.footer-col a { display: block; width: max-content; margin-top: 12px; color: #a9b5c7; font-size: .82rem; text-decoration: none; }
.footer-col a:hover { color: #fff; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 22px; border-top: 1px solid #263148; padding-top: 26px; font-size: .73rem; }

@media (max-width: 960px) {
  .hero-grid, .demo-grid, .split-layout, .founder-grid, .contact-grid, .pricing-layout { grid-template-columns: 1fr; }
  .hero-grid { padding-block: 66px 76px; }
  .hero-copy { max-width: 760px; }
  .product-window { max-width: 640px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .principles { grid-template-columns: 1fr; }
  .founder-card { max-width: 560px; }
  .pricing-main .check-list { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .shell { width: min(calc(100% - 32px), var(--max)); }
  .site-nav { min-height: 68px; }
  .brand-logo { width: 80px; height: 45px; }
  .menu-button { display: grid; }
  .nav-links {
    position: fixed;
    top: 68px;
    right: 0;
    left: 0;
    height: calc(100dvh - 68px);
    display: flex;
    visibility: hidden;
    transform: translateY(-8px);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border-top: 1px solid var(--line);
    background: rgba(255,255,255,.98);
    padding: 22px 20px;
    opacity: 0;
    transition: opacity 160ms ease, transform 160ms ease, visibility 160ms;
  }
  .nav-links.open { visibility: visible; transform: translateY(0); opacity: 1; }
  .nav-links a { padding: 15px 8px; font-size: 1rem; }
  .nav-links .nav-cta { margin-top: 12px; text-align: center; }
  .section { padding-block: 78px; }
  .page-hero { padding-block: 66px 62px; }
  .hero-grid { min-height: auto; gap: 54px; }
  .hero-copy .btn-row, .cta-panel .btn-row { align-items: stretch; flex-direction: column; }
  .hero-copy .btn, .cta-panel .btn { width: 100%; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat { border-left: 0; border-top: 1px solid var(--line); padding: 22px 12px; }
  .stat:nth-child(-n+2) { border-top: 0; }
  .stat:nth-child(even) { border-left: 1px solid var(--line); padding-left: 18px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .demo-output { min-height: 310px; }
  .report-metrics { grid-template-columns: 1fr; }
  .report-metric { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
  .report-metric strong { font-size: 1.35rem; }
  .founder-card { min-height: 430px; }
  .form-grid { grid-template-columns: 1fr; gap: 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 38px; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 420px) {
  h1 { font-size: 2.6rem; }
  .product-window { padding: 10px; border-radius: 23px; }
  .chat-panel { padding: 20px 16px; }
  .bubble { max-width: 94%; }
  .card, .feature-block { padding: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}