/* KaeKhai design system tokens (from src/theme/tokens.ts) */
:root {
  --brand: #FF9F66;
  --brand-600: #FF8A47;
  --brand-100: #FFE6D5;
  --brand-50: #FFF4ED;
  --brand-25: #FFFAF5;
  --brand-ink: #9A4A16;
  --ink: #3E4A59;
  --ink-dark: #2C3E50;
  --cream: #FFF4E6;
  --success-ink: #2E7D32;
  --gray-50: #F9FAFB;
  --gray-200: #E5E7EB;
  --gray-500: #6B7280;
  --white: #FFFFFF;
  --radius-sm: 8px;
  --radius-button: 12px;
  --radius-card: 16px;
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-button-hover: 0 4px 16px rgba(255, 159, 102, 0.28);
  --font: "Prompt", "Inter", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--white); color: var(--ink); font-family: var(--font); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; }
a { color: var(--brand-ink); }
a:focus-visible, summary:focus-visible, .btn:focus-visible { outline: 2px solid var(--brand-ink); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3 { color: var(--ink-dark); line-height: 1.3; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 4.4vw, 3rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); font-weight: 600; }
h3 { font-size: 1.25rem; font-weight: 600; }
p { margin: 0 0 1em; }
.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; background: var(--ink-dark); color: #fff; padding: 8px 12px; z-index: 10; }

/* Header */
.site-head { background: rgba(255,255,255,.97); border-bottom: 1px solid var(--gray-200); position: sticky; top: 0; z-index: 5; }
.head-row { display: flex; align-items: center; gap: 24px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink-dark); font-weight: 700; font-size: 1.35rem; }
.brand-mark { width: 36px; height: 36px; display: block; }
.nav { display: flex; gap: 22px; margin-left: auto; font-size: .95rem; }
.nav a { color: var(--ink); text-decoration: none; font-weight: 500; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--brand-ink); }

/* Buttons: primary = brand-500 bg, white semibold text, hover brand-600 */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 12px 22px; border-radius: var(--radius-button); background: var(--brand); color: #fff; font-weight: 600; font-size: 1rem; text-decoration: none; transition: background .15s, box-shadow .15s; }
.btn:hover { background: var(--brand-600); box-shadow: var(--shadow-button-hover); }
.btn-sm { min-height: 44px; padding: 10px 16px; font-size: .875rem; }
.btn-light { background: var(--brand); color: #fff; }
.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; margin-top: 28px; }
.cta-note { color: var(--gray-500); font-size: .875rem; }

/* Hero */
.hero { padding: 64px 0 80px; background: linear-gradient(180deg, var(--brand-25), var(--white)); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.lead { font-size: 1.15rem; color: var(--ink); max-width: 34em; }

.board { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-card); padding: 20px; box-shadow: var(--shadow-card); }
.board-head { display: flex; justify-content: space-between; align-items: baseline; font-weight: 600; color: var(--ink-dark); padding: 0 4px 12px; border-bottom: 1px solid var(--gray-200); }
.board-head .num { font-size: 1.6rem; font-weight: 700; color: var(--ink-dark); }
.orders { list-style: none; margin: 8px 0 0; padding: 0; }
.orders li { display: grid; grid-template-columns: 76px 1fr auto 70px; align-items: center; gap: 10px; padding: 10px 4px; border-bottom: 1px solid var(--gray-50); font-variant-numeric: tabular-nums; font-size: .95rem; animation: drop .5s cubic-bezier(.2,.8,.2,1) both; }
.orders li:nth-child(2) { animation-delay: .15s; }
.orders li:nth-child(3) { animation-delay: .3s; }
.orders li:nth-child(4) { animation-delay: .45s; }
@keyframes drop { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: none; } }
.ch { font-size: .75rem; font-weight: 500; padding: 3px 8px; border-radius: var(--radius-sm); text-align: center; background: var(--gray-50); color: var(--ink); border: 1px solid var(--gray-200); }
.oid { color: var(--gray-500); }
.amt { text-align: right; color: var(--ink-dark); }
.pf { text-align: right; font-weight: 600; color: var(--success-ink); }

/* Profit breakdown uses the system's zone colours: cost = cream, result = green */
.slip { margin-top: 16px; background: #FFFAF3; border: 1px solid var(--cream); border-radius: 12px; padding: 14px 16px 8px; font-variant-numeric: tabular-nums; }
.slip-title { font-weight: 600; color: var(--ink-dark); margin-bottom: 6px; }
.slip dl { margin: 0; }
.slip dl div { display: flex; justify-content: space-between; gap: 12px; padding: 3px 0; font-size: .9rem; }
.slip dt { color: var(--ink); }
.slip dd { margin: 0; color: var(--ink); }
.slip .total { background: #EDF7EE; margin: 8px -16px 0; padding: 10px 16px; font-weight: 700; font-size: 1.05rem; }
.slip .total dt { color: var(--ink-dark); }
.slip .total dd { color: var(--success-ink); }
.slip-foot { font-size: .75rem; color: var(--gray-500); margin: 8px 0 0; }
.slip-page { max-width: 460px; background: var(--white); border-color: var(--gray-200); box-shadow: var(--shadow-card); padding-bottom: 12px; }

/* Channels band: Ink Dark = header / dark surfaces */
.band { background: var(--ink-dark); color: #fff; padding: 52px 0; }
.band h2 { color: #fff; }
.channels { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 20px; }
.channel { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius-card); color: #fff; text-decoration: none; padding: 20px; display: flex; flex-direction: column; gap: 4px; transition: border-color .15s; }
.channel strong { font-size: 1.15rem; font-weight: 600; }
.channel span { color: rgba(255,255,255,.72); font-size: .9rem; }
.channel:hover { border-color: var(--brand); }

.section { padding: 72px 0; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 28px; }
.feature { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-card); padding: 24px; box-shadow: var(--shadow-card); }
.feature-wide { grid-column: 1 / -1; background: var(--brand-25); border-color: var(--brand-100); box-shadow: none; }
.feature-wide h3 { font-size: 1.5rem; }
.feature p { color: var(--ink); margin: 0; }

.proof { background: var(--cream); }
.proof-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.ticks { list-style: none; padding: 0; margin: 0; }
.ticks li { position: relative; padding: 10px 0 10px 32px; border-bottom: 1px solid rgba(62,74,89,.12); }
.ticks li:last-child { border-bottom: 0; }
.ticks li::before { content: ""; position: absolute; left: 4px; top: 19px; width: 13px; height: 7px; border-left: 3px solid var(--success-ink); border-bottom: 3px solid var(--success-ink); transform: rotate(-45deg); }

.price { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: center; background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-card); box-shadow: var(--shadow-card); padding: 40px; }
.price-big { font-weight: 700; font-size: clamp(3rem, 7vw, 4.5rem); line-height: 1.1; color: var(--ink-dark); margin: 0; font-variant-numeric: tabular-nums; }
.price-big span { font-size: 1rem; color: var(--gray-500); font-weight: 400; }

.faq details { border-bottom: 1px solid var(--gray-200); padding: 16px 0; }
.faq summary { cursor: pointer; font-weight: 600; color: var(--ink-dark); font-size: 1.05rem; list-style: none; position: relative; padding-right: 32px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: -2px; font-size: 1.4rem; color: var(--brand-ink); }
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--ink); margin: 10px 0 0; }

.page-hero { padding: 48px 0 56px; background: linear-gradient(180deg, var(--brand-25), var(--white)); }
.crumb { font-size: .875rem; color: var(--gray-500); margin-bottom: 18px; }
.steps { list-style: none; counter-reset: s; padding: 0; margin: 20px 0 0; }
.steps li { counter-increment: s; display: grid; grid-template-columns: 44px 1fr; column-gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--gray-200); }
.steps li::before { content: counter(s); grid-row: span 2; display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--brand-50); color: var(--brand-ink); border: 1px solid var(--brand-100); font-weight: 700; }
.steps strong { color: var(--ink-dark); font-weight: 600; }
.steps span { color: var(--ink); }

.cta-end { background: var(--ink-dark); color: #fff; padding: 64px 0; text-align: center; }
.cta-end h2 { color: #fff; }
.cta-end p { color: rgba(255,255,255,.75); }

.site-foot { background: var(--gray-50); border-top: 1px solid var(--gray-200); color: var(--ink); padding: 40px 0; font-size: .9rem; }
.site-foot strong { color: var(--ink-dark); }
.site-foot a { color: var(--ink); }
.foot-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 32px; }
.foot-grid nav { display: flex; flex-direction: column; gap: 6px; }
.foot-grid nav a { text-decoration: none; }
.foot-grid nav a:hover { color: var(--brand-ink); text-decoration: underline; }

@media (max-width: 900px) {
  .nav { display: none; }
  .head-row { justify-content: space-between; }
  .hero-grid, .proof-grid, .price { grid-template-columns: 1fr; gap: 32px; }
  .price { padding: 28px; }
  .channels { grid-template-columns: 1fr 1fr; }
  .features { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .wrap { padding: 0 16px; }
  .hero { padding: 40px 0 52px; }
  .section { padding: 52px 0; }
  .channels { grid-template-columns: 1fr; }
  .orders li { grid-template-columns: 64px 1fr auto 58px; gap: 6px; font-size: .875rem; }
}
@media (prefers-reduced-motion: reduce) {
  .orders li { animation: none; }
  html { scroll-behavior: auto; }
}