:root {
  --ink: #1f1b5c;
  --ink-2: #312e81;
  --muted: #62648c;
  --primary: #4f46e5;
  --primary-dark: #312e81;
  --secondary: #818cf8;
  --accent: #22c55e;
  --accent-dark: #15803d;
  --warm: #f59e0b;
  --bg: #eef2ff;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --line: rgba(79, 70, 229, .16);
  --shadow: 0 24px 70px rgba(49, 46, 129, .16);
  --radius: 28px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 6%, rgba(34,197,94,.18), transparent 28rem),
    radial-gradient(circle at 90% 4%, rgba(129,140,248,.34), transparent 30rem),
    linear-gradient(180deg, #fbfdff 0%, var(--bg) 42%, #fff 100%);
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-underline-offset: .18em; }
a:hover { color: var(--accent-dark); }

.skip-link {
  position: fixed;
  left: 1rem;
  top: .75rem;
  z-index: 1000;
  transform: translateY(-160%);
  padding: .75rem 1rem;
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  box-shadow: var(--shadow);
}
.skip-link:focus-visible { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  max-width: 1180px;
  margin: 14px auto 0;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid rgba(255,255,255,.72);
  border-radius: 999px;
  background: rgba(255,255,255,.78);
  backdrop-filter: blur(18px);
  box-shadow: 0 12px 40px rgba(49,46,129,.08);
}
.brand, .nav { display: flex; align-items: center; gap: 10px; }
.brand { font-weight: 900; color: var(--ink); text-decoration: none; }
.brand-mark {
  width: 42px; height: 42px; display: inline-grid; place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  box-shadow: 0 12px 30px rgba(79,70,229,.25);
}
.nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--ink-2);
  text-decoration: none;
  font-weight: 750;
}
.nav a:hover { background: rgba(79,70,229,.08); }

.section { max-width: 1180px; margin: 0 auto; padding: 84px 20px; }
.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-dark);
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: .82rem;
}
h1, h2, h3 { margin: 0; line-height: 1.02; color: var(--ink); letter-spacing: -.04em; }
h1 { font-size: clamp(3rem, 7vw, 6.8rem); max-width: 830px; }
h2 { font-size: clamp(2rem, 4.2vw, 4.2rem); }
h3 { font-size: 1.12rem; letter-spacing: -.02em; }
p { font-size: 1.05rem; }

.hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr); gap: 48px; align-items: center; padding-top: 96px; }
.hero-lead { max-width: 720px; font-size: clamp(1.16rem, 2vw, 1.45rem); color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.centered { justify-content: center; }
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px;
  padding: 14px 20px;
  border: 0;
  border-radius: 999px;
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary, .button-submit { background: var(--accent); color: #052e16; box-shadow: 0 18px 36px rgba(34,197,94,.22); }
.button-primary:hover, .button-submit:hover { background: #34d399; color: #052e16; }
.button-secondary { background: rgba(79,70,229,.1); color: var(--ink-2); }
.button-submit { width: 100%; font-size: 1rem; margin-top: 4px; }

.trust-row { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; padding: 0; margin: 34px 0 0; max-width: 680px; }
.trust-row li { padding: 16px; border: 1px solid var(--line); border-radius: 22px; background: rgba(255,255,255,.72); }
.trust-row strong { display: block; font-size: 1.8rem; color: var(--primary); }
.trust-row span { color: var(--muted); font-weight: 750; }

.hero-panel { position: relative; min-height: 560px; border-radius: 48px; background: linear-gradient(145deg, #fff, #eef2ff); box-shadow: var(--shadow); overflow: hidden; }
.hero-panel::before { content: ""; position: absolute; inset: 24px; border-radius: 40px; border: 1px solid rgba(79,70,229,.12); }
.guide-stack { position: absolute; inset: 82px 70px; display: grid; grid-template-columns: repeat(3, 1fr); align-items: center; gap: 0; }
.guide-stack img, .mock-cover { width: 190px; aspect-ratio: 3/4; object-fit: contain; border-radius: 24px; box-shadow: 0 28px 55px rgba(49,46,129,.22); background: #fff; }
.guide-stack img:nth-child(1) { transform: rotate(-8deg) translateX(28px); }
.guide-stack img:nth-child(2) { transform: rotate(5deg) translateX(-4px) translateY(34px); }
.guide-stack img:nth-child(3) { transform: rotate(10deg) translateX(-34px); }
.floating-card { position: absolute; z-index: 2; display: flex; align-items: center; gap: 10px; max-width: 270px; padding: 14px 16px; border-radius: 20px; background: rgba(255,255,255,.9); box-shadow: 0 14px 35px rgba(49,46,129,.13); font-weight: 850; }
.card-one { top: 34px; left: 34px; }
.card-two { right: 28px; bottom: 36px; }
.mini-icon { width: 28px; height: 28px; display: inline-grid; place-items: center; border-radius: 50%; background: rgba(34,197,94,.18); color: var(--accent-dark); }

.intro { display: grid; grid-template-columns: .85fr 1fr; gap: 48px; align-items: end; padding-top: 36px; }
.intro p:last-child { color: var(--muted); font-size: 1.2rem; }
.guides { display: grid; gap: 28px; padding-top: 24px; }
.guide-card {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr) 360px;
  gap: 28px;
  align-items: stretch;
  padding: 28px;
  border: 1px solid rgba(79,70,229,.13);
  border-radius: 36px;
  background: rgba(255,255,255,.86);
  box-shadow: 0 18px 60px rgba(49,46,129,.09);
}
.guide-card-featured { border-color: rgba(34,197,94,.28); box-shadow: 0 24px 70px rgba(34,197,94,.11); }
.guide-visual { min-height: 260px; display: grid; place-items: center; border-radius: 28px; background: linear-gradient(145deg, #fff8ed, #fff); overflow: hidden; }
.guide-visual.teal { background: linear-gradient(145deg, #ecfeff, #fff); }
.guide-visual.blue { background: linear-gradient(145deg, #eff6ff, #ffffff); }
.guide-visual img { max-height: 230px; object-fit: contain; filter: drop-shadow(0 20px 22px rgba(49,46,129,.18)); }
.yki-visual { background: linear-gradient(145deg, #eef2ff, #ecfeff); }
.yki-cover { width: 190px; height: 240px; padding: 24px; display: flex; flex-direction: column; justify-content: space-between; border-radius: 26px; background: linear-gradient(160deg, #312e81, #0f766e); color: #fff; box-shadow: 0 24px 44px rgba(49,46,129,.22); }
.yki-cover span { font-size: 3rem; font-weight: 950; }
.yki-cover strong { font-size: 1.5rem; }
.yki-cover small { color: #dbeafe; font-weight: 800; }
.guide-content { padding: 8px 0; }
.tag { display: inline-flex; margin: 0 0 12px; padding: 7px 12px; border-radius: 999px; background: rgba(79,70,229,.1); color: var(--primary-dark); font-weight: 900; font-size: .86rem; }
.guide-content h2 { font-size: clamp(2rem, 3vw, 3.2rem); }
.price { display: flex; align-items: baseline; gap: 12px; margin: 14px 0 24px; }
.old-price { color: #737373; text-decoration: line-through; font-weight: 850; }
.price strong { color: var(--accent-dark); font-size: 1.2rem; }
.check-list, .author-list { list-style: none; padding: 0; margin: 16px 0 0; display: grid; gap: 12px; }
.check-list li, .author-list li { position: relative; padding-left: 32px; color: #30324d; }
.check-list li::before, .author-list li::before { content: ""; position: absolute; left: 0; top: .18em; width: 20px; height: 20px; border-radius: 50%; background: rgba(34,197,94,.18); }
.check-list li::after, .author-list li::after { content: "✓"; position: absolute; left: 5px; top: .02em; color: var(--accent-dark); font-weight: 950; }
.form-card { align-self: stretch; }
.lead-form { height: 100%; display: flex; flex-direction: column; gap: 12px; padding: 22px; border-radius: 28px; background: linear-gradient(180deg, var(--primary-dark), #111a5f); color: #fff; box-shadow: inset 0 1px 0 rgba(255,255,255,.14); }
.form-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 6px; }
.form-head h3 { color: #fff; }
.form-badge { padding: 6px 10px; border-radius: 999px; background: rgba(34,197,94,.16); color: #bbf7d0; font-weight: 950; font-size: .78rem; text-transform: uppercase; }
.field { display: grid; gap: 6px; font-weight: 800; font-size: .9rem; color: #dbeafe; }
.field input { width: 100%; min-height: 48px; padding: 0 16px; border: 1px solid rgba(255,255,255,.16); border-radius: 16px; background: rgba(255,255,255,.96); color: var(--ink); font: inherit; outline: none; }
.field input::placeholder { color: #7f849a; }
.consent { display: grid; grid-template-columns: 20px 1fr; gap: 10px; align-items: start; color: #dbeafe; font-size: .82rem; line-height: 1.35; }
.consent input { width: 18px; height: 18px; margin-top: 1px; accent-color: var(--accent); }
.consent a { color: #bfdbfe; }

.author { display: grid; grid-template-columns: 390px minmax(0, 1fr); gap: 54px; align-items: center; }
.author-photo { position: relative; }
.author-photo::before { content: ""; position: absolute; inset: 24px -18px -18px 24px; border-radius: 36px; background: rgba(129,140,248,.18); transform: rotate(4deg); }
.author-photo img { position: relative; border-radius: 36px; box-shadow: var(--shadow); aspect-ratio: 1/1; object-fit: cover; }
.author-copy { padding: 44px; border-radius: 36px; background: #fff; box-shadow: 0 20px 60px rgba(49,46,129,.08); }
.author-copy p { color: #3f425f; }
.final-cta { text-align: center; }
.final-cta p { max-width: 720px; margin-left: auto; margin-right: auto; color: var(--muted); }
.footer { max-width: 1180px; margin: 0 auto 96px; padding: 28px 20px; display: flex; justify-content: space-between; gap: 20px; color: var(--muted); border-top: 1px solid var(--line); }
.footer div { display: flex; gap: 18px; flex-wrap: wrap; }
.mobile-cta { display: none; }

:focus-visible { outline: 3px solid var(--warm); outline-offset: 4px; }
.field input:focus-visible { outline: 3px solid var(--warm); outline-offset: 2px; }

@media (max-width: 1080px) {
  .hero, .intro, .author { grid-template-columns: 1fr; }
  .hero-panel { min-height: 460px; }
  .guide-card { grid-template-columns: 220px 1fr; }
  .form-card { grid-column: 1 / -1; }
  .lead-form { display: grid; grid-template-columns: repeat(3, 1fr); align-items: end; }
  .form-head, .consent, .button-submit { grid-column: 1 / -1; }
}
@media (max-width: 760px) {
  body { padding-bottom: 86px; }
  .site-header { margin: 8px; border-radius: 24px; align-items: flex-start; }
  .nav { display: none; }
  .section { padding: 56px 16px; }
  h1 { font-size: clamp(2.5rem, 16vw, 4.3rem); }
  .hero { padding-top: 48px; }
  .hero-actions .button { width: 100%; }
  .trust-row { grid-template-columns: 1fr; }
  .hero-panel { min-height: 370px; border-radius: 34px; }
  .guide-stack { inset: 76px 26px; }
  .guide-stack img, .mock-cover { width: 130px; border-radius: 18px; }
  .floating-card { max-width: 220px; font-size: .88rem; }
  .card-two { right: 14px; bottom: 18px; }
  .intro { gap: 20px; }
  .guide-card { grid-template-columns: 1fr; padding: 18px; border-radius: 28px; }
  .guide-visual { min-height: 220px; }
  .lead-form { grid-template-columns: 1fr; }
  .author-copy { padding: 26px; }
  .author-photo { max-width: 320px; margin: 0 auto; }
  .footer { display: grid; margin-bottom: 100px; }
  .mobile-cta { display: block; position: fixed; z-index: 30; left: 12px; right: 12px; bottom: 12px; }
  .mobile-cta .button { width: 100%; }
}
@media (max-width: 430px) {
  .hero-panel { min-height: 330px; }
  .guide-stack img, .mock-cover { width: 112px; }
  .floating-card { position: relative; top: auto; left: auto; right: auto; bottom: auto; margin: 14px; }
  .card-two { margin-top: 250px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .001ms !important; }
  .button:hover { transform: none; }
}