:root {
  --ink: #1B1F2A;
  --ink-2: #4A5060;
  --muted: #6B7080;
  --line: #E4E1DA;
  --bg: #FAF8F4;
  --card: #FFFFFF;
  --brand: #C8553D;
  --brand-ink: #A3402B;
  --wa: #1E8E4E;
  --wa-hover: #17733F;
  --radius: 16px;
  --shadow: 0 1px 2px rgba(27,31,42,.06), 0 8px 24px rgba(27,31,42,.06);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg); line-height: 1.55; font-size: 17px; }
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.25rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
.wrap { max-width: 1120px; margin: 0 auto; padding-inline: 20px; }
.section { padding-block: 72px; }
.section-head { max-width: 640px; margin-bottom: 40px; }
.section-head p { color: var(--ink-2); }
.eyebrow { display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--brand); margin-bottom: 10px; }

/* header */
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(250,248,244,.9); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; gap: 24px; height: 64px; }
.logo { font-weight: 800; font-size: 1.3rem; text-decoration: none; letter-spacing: -.03em; display: flex; align-items: center; gap: 8px; }
.logo-mark { width: 26px; height: 26px; border-radius: 8px; background: linear-gradient(135deg, var(--brand), #E89B5A); }
.logo small { font-weight: 600; font-size: .8rem; color: var(--muted); border-left: 1px solid var(--line); padding-left: 8px; letter-spacing: 0; }
.nav { display: flex; gap: 22px; margin-left: auto; font-size: .95rem; }
.nav a { text-decoration: none; color: var(--ink-2); }
.nav a:hover { color: var(--ink); }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 14px 22px; border-radius: 999px; font-weight: 700; text-decoration: none; border: 0; cursor: pointer; font-size: 1rem; transition: background .15s, transform .15s; }
.btn:active { transform: translateY(1px); }
.btn-wa { background: var(--wa); color: #fff; }
.btn-wa:hover { background: var(--wa-hover); }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn-ghost:hover { background: #fff; }
.btn-sm { padding: 9px 16px; font-size: .9rem; }
.btn svg { width: 20px; height: 20px; flex: none; }

/* hero */
.hero { padding-block: 56px 72px; }
.hero .wrap { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: center; }
.hero p.lead { font-size: 1.15rem; color: var(--ink-2); max-width: 32em; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 14px; }
.microcopy { font-size: .88rem; color: var(--muted); }
.checks { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 8px; color: var(--ink-2); font-size: .98rem; }
.checks li::before { content: "✓"; color: var(--wa); font-weight: 800; margin-right: 10px; }

/* before/after slider */
.ba { position: relative; aspect-ratio: 3 / 2; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); background: #ddd; user-select: none; touch-action: pan-y; }
.ba img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.ba .ba-before { clip-path: inset(0 calc(100% - var(--pos, 50%)) 0 0); }
.ba-line { position: absolute; top: 0; bottom: 0; left: var(--pos, 50%); width: 3px; margin-left: -1.5px; background: #fff; pointer-events: none; }
.ba-knob { position: absolute; top: 50%; left: var(--pos, 50%); width: 44px; height: 44px; margin: -22px 0 0 -22px; border-radius: 50%; background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,.25); display: grid; place-items: center; pointer-events: none; font-size: 14px; color: var(--ink); font-weight: 800; }
.ba-tag { position: absolute; top: 14px; padding: 5px 12px; border-radius: 999px; background: rgba(27,31,42,.7); color: #fff; font-size: .8rem; font-weight: 700; pointer-events: none; }
.ba-tag.l { left: 14px; } .ba-tag.r { right: 14px; }
.ba input[type=range] { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: ew-resize; margin: 0; }
.ba input[type=range]:focus-visible ~ .ba-knob { outline: 3px solid var(--brand); outline-offset: 2px; }
.ba-caption { font-size: .82rem; color: var(--muted); margin-top: 10px; text-align: center; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: step; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; position: relative; }
.step::before { counter-increment: step; content: counter(step); display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: #FBE9E3; color: var(--brand-ink); font-weight: 800; margin-bottom: 18px; }
.step p { color: var(--ink-2); margin: 0; }

/* styles */
.styles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.style-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.style-card img { aspect-ratio: 3 / 2; object-fit: cover; width: 100%; height: auto; }
.style-card div { padding: 16px 18px 18px; }
.style-card h3 { margin-bottom: 4px; }
.style-card p { color: var(--muted); font-size: .92rem; margin: 0; }

/* honesty band */
.honest { background: var(--ink); color: #EDEBE6; border-radius: 24px; padding: 48px; display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; }
.honest h2 { color: #fff; }
.honest p { color: #C9CBD2; }
.honest ul { margin: 0; padding-left: 1.1em; color: #C9CBD2; display: grid; gap: 8px; }
.label-demo { display: inline-block; padding: 6px 14px; border-radius: 999px; background: rgba(255,255,255,.12); font-weight: 600; font-size: .9rem; margin-bottom: 16px; }

/* pricing */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.plan { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; display: flex; flex-direction: column; }
.plan.featured { border: 2px solid var(--brand); position: relative; }
.plan .badge { position: absolute; top: -13px; left: 30px; background: var(--brand); color: #fff; font-size: .78rem; font-weight: 700; padding: 4px 12px; border-radius: 999px; }
.plan .price { font-size: 2.4rem; font-weight: 800; letter-spacing: -.03em; margin: 8px 0 0; }
.plan .price small { font-size: 1rem; font-weight: 600; color: var(--muted); letter-spacing: 0; }
.plan .per { color: var(--muted); font-size: .9rem; margin-bottom: 20px; }
.plan ul { list-style: none; padding: 0; margin: 0 0 28px; display: grid; gap: 10px; color: var(--ink-2); font-size: .97rem; }
.plan ul li::before { content: "✓"; color: var(--wa); font-weight: 800; margin-right: 10px; }
.plan .btn { margin-top: auto; }
.trial { display: flex; align-items: center; justify-content: space-between; gap: 16px 24px; flex-wrap: wrap; background: #FBE9E3; border-radius: var(--radius); padding: 18px 24px; margin-bottom: 32px; }
.trial div { display: grid; gap: 2px; }
.trial span { color: var(--ink-2); font-size: .95rem; }
.save { background: #E3F2E8; color: var(--wa-hover); font-size: .75rem; font-weight: 700; padding: 2px 9px; border-radius: 999px; }
.price-note { margin-top: 20px; font-size: .88rem; color: var(--muted); }

/* faq */
.faq { max-width: 780px; }
.faq details { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq summary { cursor: pointer; font-weight: 700; font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.4rem; line-height: 1; color: var(--muted); }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--ink-2); margin: 12px 0 0; }

/* final cta */
.cta-band { text-align: center; background: #FBE9E3; border-radius: 24px; padding: 56px 24px; }
.cta-band p { color: var(--ink-2); max-width: 34em; margin-inline: auto; }
.cta-band .btn { margin-top: 12px; }

/* footer */
.site-footer { border-top: 1px solid var(--line); padding-block: 40px 96px; color: var(--muted); font-size: .88rem; margin-top: 72px; }
.site-footer .wrap { display: grid; grid-template-columns: 1.6fr 1fr; gap: 32px; }
.site-footer a { color: var(--ink-2); }
.site-footer strong { color: var(--ink); }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; justify-content: flex-end; align-content: start; }

/* mobile sticky cta */
.sticky-cta { position: fixed; left: 12px; right: 12px; bottom: calc(12px + env(safe-area-inset-bottom, 0px)); z-index: 30; display: none; box-shadow: 0 8px 24px rgba(0,0,0,.2); }

/* simple page (kvkk, 404, brand home) */
.prose { max-width: 760px; }
.prose h2 { font-size: 1.3rem; margin-top: 2em; }
.prose p, .prose li { color: var(--ink-2); }
.verticals { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.vertical { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; text-decoration: none; display: block; }
a.vertical:hover { border-color: var(--brand); }
.vertical .tag { display: inline-block; font-size: .75rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; background: #E3F2E8; color: var(--wa-hover); margin-bottom: 14px; }
.vertical .tag.soon { background: #EEECE7; color: var(--muted); }
.vertical p { color: var(--ink-2); margin: 0; }

@media (max-width: 900px) {
  .hero .wrap, .honest, .site-footer .wrap { grid-template-columns: 1fr; }
  .styles { grid-template-columns: repeat(2, 1fr); }
  .steps, .plans, .verticals { grid-template-columns: 1fr; }
    .nav { display: none; }
  .site-header .btn { margin-left: auto; }
  .footer-links { justify-content: flex-start; }
  .honest { padding: 32px 24px; }
  .section { padding-block: 56px; }
  .sticky-cta { display: flex; }
}
@media (max-width: 480px) {
  .styles { grid-template-columns: 1fr; }
  .hero-cta .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

@media (max-width: 480px) {
  }

/* v2: self-service app */
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-ink); }
.btn[disabled], .btn.is-disabled { opacity: .5; cursor: not-allowed; }
.steps-4 { grid-template-columns: repeat(4, 1fr); }
.price-table-wrap { overflow-x: auto; max-width: 560px; }
.price-table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.price-table th, .price-table td { text-align: left; padding: 14px 20px; border-bottom: 1px solid var(--line); }
.price-table th { font-size: .85rem; color: var(--muted); background: #F3F0EA; font-weight: 700; }
.price-table tr:last-child td { border-bottom: 0; }
.price-example { margin-top: 20px; color: var(--ink-2); }
@media (max-width: 900px) { .steps-4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .steps-4 { grid-template-columns: 1fr; } .hide-sm { display: none; } }
.logo, .btn-sm { white-space: nowrap; }
@media (max-width: 480px) { .site-header .wrap { gap: 10px; } .logo { font-size: 1.15rem; } .logo small { padding-left: 6px; } }