:root {
  --navy: #0f243d;
  --navy-2: #173b61;
  --blue: #1d6fdc;
  --blue-soft: #eaf3ff;
  --ink: #172033;
  --muted: #5b6b7f;
  --line: #d9e3ef;
  --paper: #ffffff;
  --surface: #f5f8fc;
  --success: #127a57;
  --coral: #ff5548;
  --shadow: 0 18px 55px rgba(15, 36, 61, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; color: var(--ink); background: var(--paper); line-height: 1.55; }
a { color: inherit; }
button, input { font: inherit; }
.container { width: min(1160px, calc(100% - 36px)); margin-inline: auto; }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
.nav-row { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { font-size: 1.18rem; font-weight: 800; text-decoration: none; color: var(--navy); letter-spacing: -.02em; white-space: nowrap; }
.site-nav { display: flex; align-items: center; gap: 22px; }
.site-nav a { font-size: .94rem; font-weight: 700; text-decoration: none; color: #334155; }
.site-nav .nav-cta { color: #fff; background: var(--navy); padding: 10px 16px; border-radius: 9px; white-space: nowrap; }
.hero { overflow: hidden; color: #fff; background: radial-gradient(circle at 78% 22%, rgba(66,153,255,.24), transparent 26%), linear-gradient(145deg, #0b1d32, #14385d 62%, #0b223c); padding: 84px 0 76px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(330px, .85fr); gap: 52px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 15px; color: #93c5fd; font-size: .77rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.hero h1 { max-width: 760px; margin: 0; font-size: clamp(2.6rem, 5.5vw, 5rem); line-height: .99; letter-spacing: -.055em; }
.hero h1 span { color: #76b7ff; }
.hero-copy { max-width: 680px; margin: 24px 0 28px; color: #c6d4e5; font-size: 1.08rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 12px 18px; border: 0; border-radius: 9px; font-weight: 800; text-decoration: none; cursor: pointer; transition: transform .18s ease, opacity .18s ease; }
.btn:hover { transform: translateY(-2px); }
.btn:disabled { cursor: wait; opacity: .65; transform: none; }
.btn-primary { color: #fff; background: var(--blue); }
.btn-light { color: var(--navy); background: #fff; }
.btn-outline { color: var(--blue); background: #fff; border: 1px solid var(--blue); }
.hero-proof { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14); border-radius: 18px; padding: 24px; box-shadow: 0 22px 75px rgba(0,0,0,.2); }
.hero-proof h2 { margin: 0 0 16px; font-size: 1.05rem; }
.proof-list { display: grid; gap: 13px; margin: 0; padding: 0; list-style: none; }
.proof-list li { display: grid; grid-template-columns: 28px 1fr; align-items: start; gap: 10px; color: #dce8f5; }
.proof-list b { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; color: #fff; background: var(--success); font-size: .78rem; }
.choice-strip { padding: 22px 0; border-bottom: 1px solid var(--line); background: #fff; }
.choice-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; }
.choice-row p { margin: 0; color: var(--muted); }
.filter-group { display: flex; gap: 8px; }
.filter-btn { border: 1px solid var(--line); color: #405169; background: #fff; padding: 9px 14px; border-radius: 999px; font-weight: 800; cursor: pointer; }
.filter-btn.active { color: #fff; background: var(--navy); border-color: var(--navy); }
.library { padding: 70px 0 82px; background: var(--surface); }
.section-heading { max-width: 760px; margin-bottom: 32px; }
.section-heading h2 { margin: 0 0 10px; color: var(--navy); font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.05; letter-spacing: -.04em; }
.section-heading p { margin: 0; color: var(--muted); }
.template-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.template-card { position: relative; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 8px 30px rgba(15,36,61,.07); }
.template-preview-link { position: relative; display: block; padding: 60px 18px 18px; background: linear-gradient(135deg, #e8eef6, #f8fafc); border-bottom: 1px solid var(--line); }
.template-preview-link::before { content: 'Full-page preview'; position: absolute; top: 22px; right: 18px; color: #5b6b7f; font-size: .72rem; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.template-preview-link img { display: block; width: 100%; max-width: 100%; height: auto; object-fit: contain; object-position: center; border-radius: 5px; background: #fff; box-shadow: 0 14px 30px rgba(23,32,51,.17); transition: transform .2s ease; }
.template-card:hover img { transform: translateY(-3px); }
.tier-badge { position: absolute; top: 18px; left: 18px; z-index: 2; padding: 6px 10px; border-radius: 999px; color: #fff; background: var(--success); font-size: .71rem; font-weight: 900; letter-spacing: .06em; text-transform: uppercase; }
.tier-badge.premium { color: #3a2b00; background: #ffd75e; }
.card-body { padding: 20px; }
.card-body h3 { margin: 0 0 6px; color: var(--navy); font-size: 1.16rem; }
.card-body p { min-height: 49px; margin: 0 0 14px; color: var(--muted); font-size: .91rem; }
.best-for { display: block; margin-bottom: 16px; color: #64748b; font-size: .79rem; }
.price-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.price { color: var(--navy); font-size: 1.25rem; font-weight: 900; }
.credit-note { color: var(--success); font-size: .76rem; font-weight: 800; }
.card-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.card-actions .btn { min-height: 42px; padding: 10px 11px; font-size: .83rem; }
.value-section { padding: 76px 0; }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.value-card { padding: 24px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.value-card .number { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 9px; color: #fff; background: var(--navy); font-weight: 900; }
.value-card h3 { margin: 15px 0 6px; color: var(--navy); }
.value-card p { margin: 0; color: var(--muted); }
.policy { padding: 0 0 80px; }
.policy-box { padding: 28px; border: 1px solid #c7d8ec; border-radius: 16px; background: var(--blue-soft); }
.policy-box h2 { margin: 0 0 8px; color: var(--navy); }
.policy-box p { margin: 0; color: #41556f; }
.site-footer { padding: 34px 0; color: #a9bbcf; background: var(--navy); }
.footer-row { display: flex; justify-content: space-between; gap: 22px; flex-wrap: wrap; }
.footer-row a { color: #dbeafe; text-decoration: none; }
.modal { position: fixed; inset: 0; z-index: 100; display: none; place-items: center; padding: 18px; background: rgba(8,20,35,.72); }
.modal.open { display: grid; }
.modal-card { width: min(520px, 100%); max-height: calc(100vh - 36px); overflow: auto; padding: 26px; border-radius: 16px; background: #fff; box-shadow: var(--shadow); }
.modal-top { display: flex; align-items: start; justify-content: space-between; gap: 16px; }
.modal-top h2 { margin: 0; color: var(--navy); }
.modal-close { border: 0; background: transparent; color: #64748b; font-size: 1.5rem; cursor: pointer; }
.field { display: grid; gap: 7px; margin-top: 18px; }
.field label { font-size: .88rem; font-weight: 800; }
.field input { width: 100%; min-height: 46px; padding: 11px 13px; border: 1px solid #b9c7d8; border-radius: 8px; }
.field input:focus { outline: 3px solid rgba(29,111,220,.18); border-color: var(--blue); }
.modal-summary { margin: 18px 0; padding: 14px; border-radius: 10px; background: var(--surface); }
.modal-summary p { margin: 4px 0; }
.checkout-policy { margin: 12px 0; padding: 10px 12px; border-left: 3px solid #d7a928; background: #fff9e8; color: #5f4a13; font-size: .8rem; line-height: 1.45; }
.status-message { min-height: 24px; margin-top: 10px; color: #9f2f2f; font-size: .87rem; }
.detail-hero { padding: 58px 0 64px; background: var(--surface); }
.detail-grid { display: grid; grid-template-columns: minmax(440px,520px) minmax(0,1fr); gap: 54px; align-items: center; }
.detail-preview { display: block; width: min(100%, 520px); max-width: 100%; height: auto; margin: auto; object-fit: contain; border-radius: 7px; box-shadow: var(--shadow); }
.detail-copy h1 { margin: 5px 0 14px; color: var(--navy); font-size: clamp(2.4rem, 5vw, 4.4rem); line-height: 1; letter-spacing: -.05em; }
.detail-copy .lead { color: var(--muted); font-size: 1.08rem; }
.design-source { display: inline-flex; margin: 0 0 .65rem; padding: .5rem .75rem; border: 1px solid #b9d7ff; border-radius: 999px; background: #eff6ff; color: #174ea6; font-size: .78rem; font-weight: 800; line-height: 1.35; }
.pack-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 18px; padding: 0; list-style: none; }
.pack-list li::before { content: '\2713'; margin-right: 8px; color: var(--success); font-weight: 900; }
.breadcrumb { padding-top: 24px; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; color: var(--muted); font-size: .86rem; }
.breadcrumb li + li::before { content: '/'; margin-right: 8px; color: #94a3b8; }
.breadcrumb a { color: var(--blue); text-decoration: none; }
.credit-callout { color: var(--success); font-weight: 800; }
.free-note { color: #64748b; }
.purchase-email-note { color: #64748b; font-size: .84rem; }
#purchase-submit { width: 100%; }
.seo-section, .faq-section { padding: 76px 0; background: #fff; }
.seo-copy { max-width: 1000px; }
.seo-copy > h2, .guidance-grid h2, .related-heading h2 { margin: 0 0 18px; color: var(--navy); font-size: clamp(1.85rem, 3.6vw, 2.8rem); line-height: 1.08; letter-spacing: -.035em; }
.seo-copy > p:not(.eyebrow), .guidance-grid p { color: #405169; font-size: 1rem; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 32px; }
.feature-card { padding: 23px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.feature-card h3 { margin: 0 0 8px; color: var(--navy); font-size: 1.04rem; }
.feature-card p { margin: 0; color: var(--muted); font-size: .91rem; }
.guidance-section { padding: 76px 0; background: var(--surface); border-block: 1px solid var(--line); }
.guidance-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr); gap: 46px; align-items: start; }
.accuracy-note { padding: 25px; border: 1px solid #bad5f5; border-radius: 15px; background: var(--blue-soft); }
.accuracy-note h3 { margin: 0 0 8px; color: var(--navy); }
.accuracy-note p { margin: 0; font-size: .92rem; }
.faq-section { padding-top: 72px; }
.faq-list { display: grid; gap: 12px; margin-top: 26px; }
.faq-list details { border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.faq-list summary { padding: 17px 20px; color: var(--navy); font-weight: 800; cursor: pointer; }
.faq-list details p { margin: 0; padding: 0 20px 19px; color: var(--muted); }
.related-section { padding: 72px 0 84px; background: var(--surface); }
.related-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.related-heading h2 { margin-bottom: 0; }
.related-heading > a { color: var(--blue); font-weight: 800; text-decoration: none; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.related-card { display: grid; grid-template-columns: 94px 1fr; grid-template-rows: auto auto 1fr; column-gap: 16px; padding: 16px; border: 1px solid var(--line); border-radius: 14px; background: #fff; text-decoration: none; box-shadow: 0 8px 24px rgba(15,36,61,.06); }
.related-card img { grid-row: 1 / 4; width: 94px; height: auto; border: 1px solid #e2e8f0; border-radius: 5px; background: #fff; }
.related-card span { color: var(--success); font-size: .72rem; font-weight: 900; letter-spacing: .04em; text-transform: uppercase; }
.related-card strong { align-self: end; color: var(--navy); }
.related-card small { color: var(--muted); line-height: 1.35; }
.success-shell { min-height: calc(100vh - 72px); display: grid; place-items: center; padding: 50px 18px; background: var(--surface); }
.success-card { width: min(680px, 100%); padding: 34px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: var(--shadow); }
.success-card h1 { margin: 0 0 10px; color: var(--navy); }
.status-panel { margin: 22px 0; padding: 18px; border-radius: 12px; background: var(--blue-soft); }
.account-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.purchase-list { display: grid; gap: 12px; margin-top: 22px; }
.purchase-row { display: grid; grid-template-columns: 58px 1fr auto; align-items: center; gap: 14px; padding: 12px; border: 1px solid var(--line); border-radius: 12px; }
.purchase-row img { width: 58px; height: 82px; object-fit: contain; object-position: center; background: #fff; }
.hidden { display: none !important; }

@media (max-width: 900px) {
  .hero-grid, .detail-grid { grid-template-columns: 1fr; }
  .hero-proof { max-width: 680px; }
  .template-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .value-grid { grid-template-columns: 1fr; }
  .detail-preview { width: min(100%, 520px); }
  .guidance-grid { grid-template-columns: 1fr; gap: 24px; }
  .feature-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 24px, 1160px); }
  .nav-row { min-height: 64px; }
  .brand { font-size: 1rem; }
  .site-nav .nav-cta { padding: 9px 11px; font-size: .82rem; }
  .site-nav a:not(.nav-cta) { display: none; }
  .hero { padding: 58px 0 52px; }
  .hero h1 { font-size: clamp(2.45rem, 13vw, 3.6rem); }
  .template-grid { grid-template-columns: 1fr; }
  .card-actions, .account-grid, .pack-list { grid-template-columns: 1fr; }
  .purchase-row { grid-template-columns: 50px 1fr; }
  .purchase-row .btn { grid-column: 1 / -1; }
  .breadcrumb { padding-top: 16px; }
  .detail-hero, .seo-section, .guidance-section, .faq-section, .related-section { padding-block: 48px; }
  .related-heading { align-items: start; flex-direction: column; }
}