:root {
  --navy-950: #031426;
  --navy-900: #061b33;
  --navy-800: #0b3159;
  --ink: #101820;
  --muted: #5d6670;
  --paper: #f7f9fb;
  --white: #ffffff;
  --lime: #d8ff16;
  --teal: #20b8aa;
  --coral: #ff5a5f;
  --line: rgba(7, 29, 52, .13);
  --shadow: 0 24px 70px rgba(2, 16, 31, .16);
  --radius: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
.wrap { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.skip { position: fixed; left: 12px; top: -60px; z-index: 100; background: white; padding: 10px 14px; border-radius: 8px; }
.skip:focus { top: 12px; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(3, 20, 38, .92); backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: white; font-weight: 900; }
.brand img { width: 188px; height: auto; }
.nav-links { display: flex; align-items: center; gap: 22px; color: white; font-weight: 700; font-size: .93rem; }
.nav-links a { text-decoration: none; opacity: .84; }
.nav-links a:hover, .nav-links a:focus-visible { opacity: 1; color: var(--lime); }
.nav-cta { padding: 10px 16px; border: 1px solid rgba(255,255,255,.24); border-radius: 999px; }

.hero { position: relative; overflow: hidden; color: white; background: var(--navy-950); padding: 78px 0 84px; }
.hero::before { content: ""; position: absolute; width: 680px; height: 680px; right: -250px; top: -310px; border-radius: 50%; background: var(--navy-800); opacity: .66; }
.hero::after { content: ""; position: absolute; width: 760px; height: 300px; left: -260px; bottom: -210px; border-radius: 50%; background: var(--navy-800); transform: rotate(-7deg); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 72px; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--navy-950); background: var(--accent, var(--lime)); padding: 8px 15px; border-radius: 999px; font-size: .82rem; line-height: 1; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--coral); }
h1 { margin: 22px 0 18px; font-size: clamp(2.8rem, 6vw, 5.3rem); line-height: .98; letter-spacing: -.055em; max-width: 780px; }
.hero-lead { max-width: 650px; color: rgba(255,255,255,.8); font-size: clamp(1.08rem, 2vw, 1.3rem); line-height: 1.55; }
.hero-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 54px; padding: 0 24px; border: 0; border-radius: 14px; background: var(--accent, var(--lime)); color: var(--navy-950); font-weight: 900; text-decoration: none; cursor: pointer; box-shadow: 0 12px 34px rgba(0,0,0,.16); transition: transform .2s ease, box-shadow .2s ease; }
.button:hover, .button:focus-visible { transform: translateY(-2px); box-shadow: 0 16px 38px rgba(0,0,0,.24); }
.button.secondary { background: transparent; color: white; border: 1px solid rgba(255,255,255,.24); box-shadow: none; }
.button.dark { background: var(--navy-900); color: white; }
.button .arrow { font-size: 1.25rem; }
.microcopy { margin-top: 14px; color: rgba(255,255,255,.6); font-size: .9rem; }
.product-stage { position: relative; display: grid; place-items: center; min-height: 560px; }
.product-stage::before { content: ""; position: absolute; width: 86%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, color-mix(in srgb, var(--accent, var(--lime)) 26%, transparent), transparent 68%); filter: blur(4px); }
.product-cover { position: relative; width: min(390px, 85%); border-radius: 24px; box-shadow: 0 30px 70px rgba(0,0,0,.44); transform: rotate(2deg); }
.floating-note { position: absolute; right: 0; bottom: 60px; z-index: 2; max-width: 220px; padding: 17px 19px; border-radius: 16px; background: white; color: var(--navy-950); font-weight: 900; box-shadow: var(--shadow); transform: rotate(-2deg); }

.proof-strip { background: white; border-bottom: 1px solid var(--line); }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.proof-item { padding: 24px 22px; border-right: 1px solid var(--line); }
.proof-item:last-child { border: 0; }
.proof-item strong { display: block; color: var(--navy-900); font-size: 1.08rem; }
.proof-item span { color: var(--muted); font-size: .91rem; }

section { padding: 88px 0; }
.section-kicker { margin: 0 0 10px; color: var(--navy-800); font-weight: 900; text-transform: uppercase; letter-spacing: .1em; font-size: .78rem; }
.section-title { max-width: 820px; margin: 0; font-size: clamp(2rem, 4vw, 3.55rem); line-height: 1.08; letter-spacing: -.04em; color: var(--navy-950); }
.section-intro { max-width: 760px; margin: 18px 0 0; color: var(--muted); font-size: 1.1rem; }
.section-head { margin-bottom: 42px; }

.pain-grid, .feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: white; border: 1px solid var(--line); border-radius: 22px; padding: 28px; box-shadow: 0 10px 34px rgba(7,29,52,.055); }
.card-index { display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 22px; border-radius: 12px; background: var(--accent-soft, rgba(216,255,22,.24)); color: var(--navy-950); font-weight: 900; }
.card h3 { margin: 0 0 9px; font-size: 1.2rem; color: var(--navy-950); }
.card p { margin: 0; color: var(--muted); }

.how { color: white; background: var(--navy-900); }
.how .section-kicker, .how .section-title { color: white; }
.how .section-intro { color: rgba(255,255,255,.7); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.step { padding: 26px; border: 1px solid rgba(255,255,255,.12); border-radius: 22px; background: rgba(255,255,255,.055); }
.step b { display: block; color: var(--accent, var(--lime)); font-size: 2rem; margin-bottom: 18px; }
.step h3 { margin: 0 0 9px; }
.step p { margin: 0; color: rgba(255,255,255,.68); }

.preview-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 56px; align-items: center; }
.preview-copy ul { list-style: none; padding: 0; margin: 28px 0; }
.preview-copy li { position: relative; padding-left: 30px; margin: 13px 0; color: var(--muted); }
.preview-copy li::before { content: "✓"; position: absolute; left: 0; color: var(--navy-900); font-weight: 900; }
.page-stack { position: relative; min-height: 630px; }
.page-shot { position: absolute; width: 74%; border-radius: 10px; box-shadow: 0 24px 60px rgba(3,20,38,.18); border: 1px solid var(--line); }
.page-shot:first-child { left: 0; top: 0; transform: rotate(-3deg); }
.page-shot:last-child { right: 0; bottom: 0; transform: rotate(3deg); }

.audience { background: white; }
.audience-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.audience-panel { padding: 34px; border-radius: 24px; background: var(--paper); border: 1px solid var(--line); }
.audience-panel h3 { margin: 0 0 14px; font-size: 1.35rem; }
.audience-panel ul { margin: 0; padding-left: 22px; color: var(--muted); }
.audience-panel li { margin: 9px 0; }

.offer { position: relative; overflow: hidden; color: white; background: var(--navy-950); }
.offer::before { content: ""; position: absolute; width: 600px; height: 600px; right: -250px; top: -300px; border-radius: 50%; background: color-mix(in srgb, var(--accent, var(--lime)) 17%, transparent); }
.offer-box { position: relative; display: grid; grid-template-columns: 1.2fr .8fr; gap: 50px; align-items: center; padding: 52px; border: 1px solid rgba(255,255,255,.12); border-radius: 30px; background: rgba(255,255,255,.045); }
.offer h2 { margin: 0 0 14px; font-size: clamp(2rem, 4vw, 3.3rem); line-height: 1.05; }
.offer p { color: rgba(255,255,255,.7); }
.price-card { padding: 30px; border-radius: 24px; background: white; color: var(--navy-950); }
.price-label { font-size: .85rem; color: var(--muted); text-transform: uppercase; font-weight: 900; letter-spacing: .08em; }
.price { margin: 4px 0 16px; font-size: 3.25rem; line-height: 1; font-weight: 900; letter-spacing: -.05em; }
.price small { font-size: 1rem; letter-spacing: 0; }
.price-card .button { width: 100%; }
.price-note { margin: 12px 0 0 !important; color: var(--muted) !important; font-size: .85rem; text-align: center; }

.faq-list { max-width: 860px; margin: 38px auto 0; }
details { background: white; border: 1px solid var(--line); border-radius: 16px; margin: 12px 0; padding: 0 22px; }
summary { cursor: pointer; list-style: none; padding: 20px 30px 20px 0; font-weight: 900; color: var(--navy-950); position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 0; top: 17px; font-size: 1.45rem; color: var(--muted); }
details[open] summary::after { content: "−"; }
details p { margin: -2px 0 22px; color: var(--muted); }

.footer { color: rgba(255,255,255,.68); background: var(--navy-950); padding: 40px 0; }
.footer-row { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.footer img { width: 170px; }
.footer p { margin: 0; font-size: .86rem; }

.toast { position: fixed; z-index: 80; left: 50%; bottom: 28px; transform: translate(-50%, 140%); width: min(520px, calc(100% - 30px)); padding: 16px 20px; border-radius: 14px; background: white; color: var(--navy-950); box-shadow: var(--shadow); font-weight: 700; transition: transform .25s ease; text-align: center; }
.toast.show { transform: translate(-50%, 0); }

.catalog-hero { min-height: calc(100vh - 76px); display: grid; align-items: center; color: white; background: var(--navy-950); padding: 70px 0; }
.catalog-head { max-width: 820px; margin-bottom: 44px; }
.catalog-head h1 { font-size: clamp(2.6rem, 6vw, 5rem); }
.catalog-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.product-card { display: grid; grid-template-columns: 190px 1fr; gap: 24px; align-items: center; padding: 24px; border-radius: 26px; background: white; color: var(--ink); text-decoration: none; transition: transform .2s ease; }
.product-card:hover, .product-card:focus-visible { transform: translateY(-5px); }
.product-card img { aspect-ratio: 2/3; object-fit: cover; border-radius: 16px; }
.product-card h2 { margin: 0 0 8px; color: var(--navy-950); font-size: 1.55rem; line-height: 1.1; }
.product-card p { margin: 0 0 18px; color: var(--muted); }
.product-card strong { color: var(--navy-900); }

body.theme-teal { --accent: var(--teal); --accent-soft: rgba(32,184,170,.18); }
body.theme-lime { --accent: var(--lime); --accent-soft: rgba(216,255,22,.24); }

@media (max-width: 920px) {
  .hero-grid, .preview-grid, .offer-box { grid-template-columns: 1fr; }
  .hero { padding-top: 56px; }
  .product-stage { min-height: 460px; }
  .product-cover { width: min(330px, 75%); }
  .floating-note { right: 5%; bottom: 35px; }
  .proof-grid, .steps { grid-template-columns: repeat(2, 1fr); }
  .proof-item:nth-child(2) { border-right: 0; }
  .proof-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .pain-grid, .feature-grid { grid-template-columns: 1fr 1fr; }
  .page-stack { min-height: 560px; }
  .catalog-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .wrap { width: min(100% - 28px, 1160px); }
  .nav { min-height: 66px; }
  .brand img { width: 150px; }
  .nav-links a:not(.nav-cta) { display: none; }
  .nav-cta { font-size: .82rem; padding: 8px 12px; }
  section { padding: 66px 0; }
  h1 { font-size: clamp(2.55rem, 14vw, 4rem); }
  .hero-grid { gap: 30px; }
  .hero-actions .button { width: 100%; }
  .product-stage { min-height: 430px; }
  .product-cover { width: min(300px, 78%); }
  .floating-note { font-size: .86rem; max-width: 175px; }
  .proof-grid, .pain-grid, .feature-grid, .steps, .audience-grid { grid-template-columns: 1fr; }
  .proof-item { border-right: 0; border-bottom: 1px solid var(--line); }
  .proof-item:nth-child(3) { border-bottom: 1px solid var(--line); }
  .page-stack { min-height: 440px; }
  .page-shot { width: 78%; }
  .offer-box { padding: 30px 22px; }
  .footer-row { align-items: flex-start; flex-direction: column; }
  .catalog-hero { align-items: start; }
  .product-card { grid-template-columns: 105px 1fr; padding: 16px; }
  .product-card h2 { font-size: 1.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}