:root {
    --ink: #1a1814; --ink-mid: #4a4640; --ink-light: #8a857e;
    --paper: #faf8f4; --paper-warm: #f2ede4; --accent: #c8502a;
    --accent-light: #f0e8e2; --rule: #ddd8d0;
    --serif: 'Playfair Display', Georgia, serif;
    --sans: 'DM Sans', system-ui, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body { background: var(--paper); color: var(--ink); font-family: var(--sans); font-weight: 300; line-height: 1.7; -webkit-font-smoothing: antialiased; }

header { border-bottom: 1px solid var(--rule); padding: 1.25rem 2rem; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; background: var(--paper); z-index: 100; }
.logo { font-family: var(--serif); font-size: 1.35rem; font-weight: 600; letter-spacing: -0.01em; color: var(--ink); text-decoration: none; }
.logo span { color: var(--accent); }
.nav-cta { font-family: var(--sans); font-size: 0.85rem; font-weight: 500; color: var(--paper); background: var(--ink); padding: 0.55rem 1.25rem; border-radius: 2px; text-decoration: none; letter-spacing: 0.02em; transition: background 0.2s; }
.nav-cta:hover { background: var(--accent); }

.hero { max-width: 860px; margin: 0 auto; padding: 6rem 2rem 4rem; text-align: center; }
.hero-eyebrow { font-size: 0.75rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-bottom: 1.5rem; }
.hero h1 { font-family: var(--serif); font-size: clamp(2.6rem, 6vw, 4.2rem); font-weight: 600; line-height: 1.12; letter-spacing: -0.02em; margin-bottom: 1.5rem; }
.hero h1 em { font-style: italic; color: var(--accent); }
.hero-sub { font-size: 1.1rem; color: var(--ink-mid); max-width: 520px; margin: 0 auto 2.5rem; }
.hero-actions { display: flex; align-items: center; justify-content: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 3rem; }
.btn-primary { font-family: var(--sans); font-size: 1rem; font-weight: 500; color: var(--paper); background: var(--ink); padding: 0.85rem 2rem; border-radius: 2px; text-decoration: none; transition: background 0.2s, transform 0.15s; display: inline-block; }
.btn-primary:hover { background: var(--accent); transform: translateY(-1px); }
.btn-secondary { font-family: var(--sans); font-size: 0.9rem; color: var(--ink-mid); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; background: none; border: none; }
.btn-secondary:hover { color: var(--ink); }
.hero-proof { font-size: 0.8rem; color: var(--ink-light); }

.preview-section { background: var(--paper-warm); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); padding: 4rem 2rem; }
.preview-inner { max-width: 900px; margin: 0 auto; }
.section-label { font-size: 0.72rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-light); text-align: center; margin-bottom: 3rem; }
.doc-tabs { display: flex; border-bottom: 1px solid var(--rule); overflow-x: auto; }
.doc-tab { font-family: var(--sans); font-size: 0.82rem; color: var(--ink-light); padding: 0.7rem 1.25rem; cursor: pointer; border: none; background: none; border-bottom: 2px solid transparent; white-space: nowrap; transition: color 0.15s, border-color 0.15s; }
.doc-tab:hover { color: var(--ink); }
.doc-tab.active { color: var(--ink); border-bottom-color: var(--ink); font-weight: 500; }
.doc-pane { display: none; background: #fff; border: 1px solid var(--rule); border-top: none; padding: 2rem 2.5rem; font-size: 0.88rem; line-height: 1.8; color: var(--ink-mid); min-height: 280px; }
.doc-pane.active { display: block; }
.doc-pane h3 { font-family: var(--serif); font-size: 1.1rem; color: var(--ink); margin-bottom: 0.75rem; font-weight: 600; }
.doc-pane h4 { font-size: 0.8rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-light); margin: 1.25rem 0 0.5rem; }
.doc-pane ul { padding-left: 1.2rem; }
.doc-pane li { margin-bottom: 0.3rem; }
.doc-pane .q-item { border-left: 2px solid var(--rule); padding-left: 1rem; margin-bottom: 1rem; }
.doc-pane .q-item strong { color: var(--ink); font-weight: 500; display: block; margin-bottom: 0.2rem; }
.doc-pane .q-item span { font-size: 0.82rem; color: var(--ink-light); font-style: italic; }
.doc-watermark { text-align: center; padding: 1rem 0 0; font-size: 0.75rem; color: var(--ink-light); border-top: 1px solid var(--rule); margin-top: 1.5rem; }

.how-section { max-width: 760px; margin: 0 auto; padding: 5rem 2rem; }
.how-section .section-label { text-align: left; margin-bottom: 2.5rem; }
.step { display: flex; gap: 1.5rem; padding: 1.5rem 0; border-bottom: 1px solid var(--rule); }
.step:last-child { border-bottom: none; }
.step-num { font-family: var(--serif); font-size: 2rem; font-weight: 400; color: var(--rule); line-height: 1; min-width: 2rem; }
.step-content h3 { font-family: var(--serif); font-size: 1.05rem; font-weight: 600; color: var(--ink); margin-bottom: 0.3rem; }
.step-content p { font-size: 0.9rem; color: var(--ink-mid); }

.contents-section { background: var(--ink); color: var(--paper); padding: 5rem 2rem; }
.contents-inner { max-width: 860px; margin: 0 auto; }
.contents-inner .section-label { color: #6a6560; }
.contents-inner h2 { font-family: var(--serif); font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 600; line-height: 1.2; margin-bottom: 3rem; max-width: 500px; }
.contents-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 2rem; }
.content-item { border-top: 1px solid #2a2824; padding-top: 1.25rem; }
.content-item .num { font-family: var(--serif); font-size: 0.85rem; color: var(--accent); margin-bottom: 0.5rem; font-style: italic; }
.content-item h3 { font-family: var(--serif); font-size: 1rem; font-weight: 600; color: var(--paper); margin-bottom: 0.4rem; }
.content-item p { font-size: 0.82rem; color: #8a857e; line-height: 1.6; }

.pricing-section { max-width: 680px; margin: 0 auto; padding: 5rem 2rem; text-align: center; }
.pricing-section h2 { font-family: var(--serif); font-size: clamp(1.8rem, 4vw, 2.4rem); font-weight: 600; margin-bottom: 0.75rem; }
.pricing-section .sub { font-size: 0.95rem; color: var(--ink-mid); margin-bottom: 3rem; }
.pricing-card { border: 1px solid var(--rule); background: #fff; padding: 2.5rem; text-align: left; margin-bottom: 1rem; }
.price-row { display: flex; align-items: baseline; gap: 0.4rem; margin-bottom: 1.5rem; }
.price { font-family: var(--serif); font-size: 3rem; font-weight: 600; color: var(--ink); line-height: 1; }
.price-note { font-size: 0.85rem; color: var(--ink-light); }
.includes { list-style: none; margin-bottom: 2rem; }
.includes li { font-size: 0.9rem; color: var(--ink-mid); padding: 0.45rem 0; border-bottom: 1px solid var(--rule); display: flex; align-items: center; gap: 0.6rem; }
.includes li::before { content: '✓'; color: var(--accent); font-weight: 500; }
.btn-purchase { display: block; width: 100%; font-family: var(--sans); font-size: 1rem; font-weight: 500; color: var(--paper); background: var(--ink); padding: 1rem; text-align: center; border: none; cursor: pointer; letter-spacing: 0.03em; transition: background 0.2s; text-decoration: none; }
.btn-purchase:hover { background: var(--accent); }
.guarantee { font-size: 0.78rem; color: var(--ink-light); text-align: center; margin-top: 1rem; line-height: 1.6; }

footer { border-top: 1px solid var(--rule); padding: 2rem; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; font-size: 0.78rem; color: var(--ink-light); }
footer a { color: var(--ink-light); text-decoration: none; }
footer a:hover { color: var(--ink); }

.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(26,24,20,.6); z-index: 200; align-items: center; justify-content: center; padding: 1rem; }
.modal-overlay.open { display: flex; }
.modal { background: var(--paper); width: 100%; max-width: 480px; padding: 2.5rem; position: relative; }
.modal h3 { font-family: var(--serif); font-size: 1.4rem; margin-bottom: 0.5rem; }
.modal p { font-size: 0.88rem; color: var(--ink-mid); margin-bottom: 1.25rem; }
.modal input, .modal select { width: 100%; font-family: var(--sans); font-size: 0.9rem; color: var(--ink); background: #fff; border: 1px solid var(--rule); padding: 0.7rem 0.9rem; margin-bottom: 0.75rem; outline: none; appearance: none; }
.modal input:focus, .modal select:focus { border-color: var(--ink); }
.modal-close { position: absolute; top: 1rem; right: 1.25rem; font-size: 1.3rem; cursor: pointer; color: var(--ink-light); background: none; border: none; line-height: 1; }
.modal-note { font-size: 0.75rem; color: var(--ink-light); text-align: center; }

@keyframes fadeUp { from { opacity:0; transform:translateY(18px); } to { opacity:1; transform:translateY(0); } }
.hero > * { animation: fadeUp 0.6s ease both; }
.hero .hero-eyebrow  { animation-delay: 0.05s; }
.hero h1             { animation-delay: 0.15s; }
.hero .hero-sub      { animation-delay: 0.25s; }
.hero .hero-actions  { animation-delay: 0.35s; }
.hero .hero-proof    { animation-delay: 0.42s; }

@media (max-width: 600px) {
    .hero { padding: 4rem 1.25rem 3rem; }
    header { padding: 1rem 1.25rem; }
    .doc-pane { padding: 1.5rem; }
    .pricing-card { padding: 1.75rem; }
    footer { flex-direction: column; text-align: center; }
}