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

:root {
  --blue: #3D73DA;
  --blue-hover: #325EB3;
  --ink: #212121;
  --muted: #424242;
  --page: #F7F7F8;
  --card: #FFFFFF;
  --line: #E3E3E3;
  --soft: #E8EEFB;
  --dark: #171E25;
  --yellow: #FEDC1D;
  --max: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; background: var(--page); color: var(--ink); font-family: Inter, system-ui, sans-serif; font-size: 16px; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--yellow); outline-offset: 4px; }
.wrap { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }
.header { background: var(--blue); color: var(--card); }
.header-row { min-height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid rgba(255,255,255,.22); }
.brand { display: flex; align-items: center; gap: 18px; font-weight: 700; }
.brand img, .footer-brand img { width: 142px; }
.brand span { padding-left: 18px; border-left: 1px solid rgba(255,255,255,.35); }
.button { min-height: 48px; padding: 12px 22px; border-radius: 16px; display: inline-flex; align-items: center; justify-content: center; font-weight: 700; transition: background .2s ease, transform .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-white { background: var(--card); color: var(--blue); }
.button-white:hover { background: var(--soft); }
.button-blue { background: var(--blue); color: var(--card); }
.button-blue:hover { background: var(--blue-hover); }

.hero { min-height: calc(100vh - 80px); background: var(--blue); color: var(--card); display: flex; align-items: center; }
.hero-grid { padding: 64px 0 72px; display: grid; grid-template-columns: .96fr 1.04fr; align-items: center; gap: 72px; }
.overline, .eyebrow { margin: 0 0 16px; font-size: 12px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.hero h1 { max-width: 670px; margin: 0; font-size: clamp(64px, 7vw, 104px); line-height: .94; letter-spacing: -.065em; }
.hero h1 span { color: var(--yellow); text-decoration: underline; text-decoration-thickness: .08em; text-underline-offset: .12em; }
.hero-text { max-width: 620px; margin: 32px 0 0; font-size: 20px; }
.hero-details { margin-top: 48px; padding-top: 24px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; border-top: 1px solid rgba(255,255,255,.26); }
.hero-details p { margin: 0; }
.hero-details strong, .hero-details span { display: block; }
.hero-details strong { font-size: 18px; }
.hero-details span { opacity: .76; font-size: 12px; }
.product-view { position: relative; min-height: 500px; overflow: hidden; display: grid; grid-template-columns: .86fr 1.14fr; grid-template-rows: 48px 1fr; border-radius: 16px; background: var(--dark); box-shadow: 0 28px 70px rgba(23,30,37,.28); }
.product-top { grid-column: 1 / -1; padding: 13px 18px; display: flex; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,.12); font-size: 12px; }
.product-top span { opacity: .65; }
.chat-column { padding: 24px 16px; border-right: 1px solid rgba(255,255,255,.12); }
.chat-user, .chat-answer { margin-bottom: 16px; padding: 14px; border-radius: 16px; font-size: 12px; }
.chat-user { margin-left: 18px; background: var(--blue); color: var(--card); }
.chat-answer { margin-right: 18px; background: var(--card); color: var(--ink); }
.files { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.files span { padding: 7px 9px; border: 1px solid rgba(255,255,255,.22); border-radius: 8px; color: var(--card); font-size: 10px; }
.preview-column { margin: 18px; overflow: hidden; border-radius: 12px; background: var(--page); color: var(--ink); }
.browser-bar { height: 34px; padding: 0 10px; display: flex; align-items: center; gap: 5px; background: var(--card); border-bottom: 1px solid var(--line); }
.browser-bar i { width: 6px; height: 6px; border-radius: 50%; background: var(--line); }
.browser-bar b { margin-left: auto; font-size: 9px; }
.mini-page { padding: 28px 22px; }
.mini-page small { display: block; color: var(--blue); font-size: 8px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.mini-page strong { display: block; max-width: 240px; margin-top: 8px; font-size: 28px; line-height: 1.05; letter-spacing: -.04em; }
.mini-line { display: block; width: 58%; height: 7px; margin-top: 10px; border-radius: 8px; background: var(--line); }
.mini-line.long { width: 86%; margin-top: 24px; }
.mini-cards { margin-top: 38px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.mini-cards i { height: 88px; border: 1px solid var(--line); border-radius: 10px; background: var(--card); }
.draft-label { position: absolute; right: 16px; bottom: 10px; padding: 8px 12px; border-radius: 8px; background: var(--blue); color: var(--card); font-size: 10px; font-weight: 700; }

.fact-band { background: var(--dark); color: var(--card); }
.facts { display: grid; grid-template-columns: repeat(4, 1fr); }
.facts p { margin: 0; padding: 24px; border-left: 1px solid rgba(255,255,255,.12); }
.facts p:last-child { border-right: 1px solid rgba(255,255,255,.12); }
.facts strong, .facts span { display: block; }
.facts strong { font-size: 14px; }
.facts span { margin-top: 4px; opacity: .7; font-size: 12px; }

.section { padding: 112px 0; }
.section-head { max-width: 770px; margin-bottom: 48px; }
.section-head.short { max-width: 690px; }
.eyebrow { color: var(--blue); }
h2 { margin: 0; font-size: clamp(42px, 5vw, 68px); line-height: 1.03; letter-spacing: -.055em; }
h3 { margin: 0; font-size: 24px; line-height: 1.25; letter-spacing: -.025em; }
.section-head > p:last-child, .inside-copy > p, .condition-main > p:last-child { color: var(--muted); font-size: 18px; }
.cards { display: grid; gap: 24px; }
.four-cards { grid-template-columns: repeat(2, 1fr); }
.card { min-height: 300px; padding: 32px; border: 1px solid var(--line); border-radius: 16px; background: var(--card); transition: transform .2s ease, border-color .2s ease; }
.card:hover { transform: translateY(-4px); border-color: var(--blue); }
.step-card { display: flex; flex-direction: column; align-items: flex-start; }
.step-card > span { color: var(--blue); font-size: 13px; font-weight: 800; }
.step-card h3 { margin-top: auto; }
.step-card p { margin: 12px 0 0; color: var(--muted); }

.inside { background: var(--soft); }
.split { display: grid; grid-template-columns: 1.1fr .9fr; align-items: start; gap: 80px; }
.inside-copy h2 { max-width: 680px; }
.file-tree { margin-top: 40px; padding: 24px; display: grid; gap: 10px; border-radius: 16px; background: var(--dark); color: var(--card); font-size: 14px; }
.file-tree span { opacity: .7; }
.editor-card { padding: 36px; border-radius: 16px; background: var(--card); }
.editor-card ol { margin: 24px 0 0; padding: 0; list-style: none; counter-reset: item; }
.editor-card li { position: relative; padding: 18px 0 18px 48px; border-top: 1px solid var(--line); counter-increment: item; }
.editor-card li:before { content: counter(item, decimal-leading-zero); position: absolute; left: 0; color: var(--blue); font-size: 12px; font-weight: 800; }
.editor-card b, .editor-card span { display: block; }
.editor-card span { margin-top: 4px; color: var(--muted); font-size: 14px; }

.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.plan { min-height: 210px; padding: 24px; display: flex; flex-direction: column; justify-content: space-between; border: 1px solid var(--line); border-radius: 16px; background: var(--card); }
.plan > div { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.plan > div > span { padding: 4px 8px; border: 1px solid var(--line); border-radius: 8px; color: var(--muted); font-size: 11px; font-weight: 700; }
.plan p { margin: 24px 0 0; color: var(--muted); font-size: 14px; }
.landing { grid-column: span 2; background: var(--blue); color: var(--card); border-color: var(--blue); }
.landing > div { display: block; }
.landing small { opacity: .75; text-transform: uppercase; letter-spacing: .1em; font-size: 11px; }
.landing h3 { margin-top: 8px; font-size: 38px; }
.landing p { color: var(--card); }

.conditions { padding-top: 0; }
.condition-grid { display: grid; grid-template-columns: 1fr .72fr; gap: 48px; }
.condition-main { padding: 48px; border: 1px solid var(--line); border-radius: 16px; background: var(--card); }
.condition-side { padding: 40px; display: flex; flex-direction: column; justify-content: flex-end; border-radius: 16px; background: var(--dark); color: var(--card); }
.condition-side small { opacity: .7; text-transform: uppercase; letter-spacing: .1em; }
.condition-side strong { margin-top: 8px; font-size: 28px; }
.condition-side p { margin-bottom: 0; opacity: .76; }

.faq { background: var(--card); }
.faq-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 80px; }
.questions details { border-top: 1px solid var(--line); }
.questions details:last-child { border-bottom: 1px solid var(--line); }
.questions summary { position: relative; padding: 24px 48px 24px 0; cursor: pointer; list-style: none; font-size: 18px; font-weight: 700; }
.questions summary::-webkit-details-marker { display: none; }
.questions summary:after { content: "+"; position: absolute; right: 8px; top: 20px; color: var(--blue); font-size: 24px; }
.questions details[open] summary:after { content: "-"; }
.questions p { margin: -8px 48px 24px 0; color: var(--muted); }

.final-screen { padding: 88px 0; background: var(--soft); }
.final-row { display: flex; justify-content: space-between; align-items: flex-end; gap: 48px; }
.final-row > div { max-width: 770px; }
.final-row h2 { font-size: clamp(42px, 5vw, 64px); }
.final-row p:last-child { color: var(--muted); font-size: 18px; }
.final-row .button { flex: 0 0 auto; }

footer { padding: 56px 0; background: var(--dark); color: var(--card); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; }
.footer-grid > div { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.footer-grid p, .footer-grid span { color: var(--card); opacity: .68; font-size: 13px; }
.footer-grid a { border-bottom: 1px solid rgba(255,255,255,.3); }
.footer-grid a:hover { border-color: var(--card); }

@media (max-width: 1000px) {
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .facts p:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,.12); }
  .split, .faq-grid { grid-template-columns: 1fr; gap: 48px; }
  .plans { grid-template-columns: repeat(2, 1fr); }
  .condition-grid { grid-template-columns: 1fr; }
}

@media (max-width: 799px) {
  .wrap { width: min(var(--max), calc(100% - 32px)); }
  .header-row { min-height: 72px; padding: 12px 0; flex-wrap: wrap; gap: 12px; }
  .brand { gap: 10px; }
  .brand img { width: 112px; }
  .brand span { padding-left: 10px; font-size: 13px; }
  .button { min-height: 44px; padding: 10px 16px; }
  .hero-grid { padding: 48px 0; }
  .hero h1 { font-size: clamp(56px, 17vw, 76px); }
  .hero-text { font-size: 18px; }
  .hero-details { grid-template-columns: 1fr; }
  .product-view { min-height: 590px; grid-template-columns: 1fr; grid-template-rows: 42px auto 1fr; }
  .chat-column { padding: 16px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.12); }
  .chat-user, .chat-answer { margin-bottom: 10px; }
  .files { margin-top: 12px; }
  .preview-column { min-height: 220px; }
  .facts, .four-cards, .plans { grid-template-columns: 1fr; }
  .facts p, .facts p:last-child { border: 0; border-top: 1px solid rgba(255,255,255,.12); }
  .section { padding: 80px 0; }
  h2 { font-size: clamp(40px, 12vw, 54px); }
  .card { min-height: 260px; }
  .landing { grid-column: auto; }
  .editor-card, .condition-main, .condition-side { padding: 28px; }
  .final-row { align-items: flex-start; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 420px) {
  .brand img { width: 94px; }
  .brand span, .button-white { font-size: 12px; }
  .hero h1 { font-size: 52px; }
  .product-view { min-height: 620px; }
  .mini-cards { grid-template-columns: 1fr; }
  .mini-cards i { height: 42px; }
  .card, .plan { padding: 24px; }
}