:root { --ink: #33261f; --ink-2: #6b5646; --bg: #faf6ef; --card: #fff; --line: #eadfcc; --cream: #f1e6d2; --cocoa: #3b2b22; --brown: #7a4519; --caramel: #c27a2c; --green: #06843c; --green-d: #056f33; color-scheme: light; }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: "Noto Sans Thai", "Leelawadee UI", Tahoma, system-ui, sans-serif; line-height: 1.65; font-size: 1rem; }
h1, h2, h3, h4, .brand, .btn, .stat b, .num, .price-big { font-family: Kanit, "Noto Sans Thai", "Leelawadee UI", Tahoma, sans-serif; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--green); outline-offset: 3px; border-radius: 8px; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
section { padding: 64px 0; }
.eyebrow { display: inline-block; margin: 0 0 10px; padding: 3px 12px; border-radius: 999px; background: var(--cream); color: var(--brown); font-size: .875rem; font-weight: 600; letter-spacing: .02em; }
h2 { margin: 0 0 12px; font-size: clamp(1.6rem, 3.6vw, 2.25rem); line-height: 1.2; }
.sec-lead { margin: 0 0 32px; color: var(--ink-2); max-width: 40em; font-size: 1.0625rem; }

/* header */
.top { position: sticky; top: 0; z-index: 50; background: rgba(250,246,239,.86); -webkit-backdrop-filter: blur(14px) saturate(1.6); backdrop-filter: blur(14px) saturate(1.6); border-bottom: 1px solid transparent; transition: border-color .25s, box-shadow .25s; }
.top.is-stuck { border-color: var(--line); box-shadow: 0 6px 24px rgba(59,43,34,.06); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 600; font-size: 1.1875rem; line-height: 1.1; }
.brand img { width: 44px; height: 44px; border-radius: 50%; }
.brand small { display: block; font-family: "Noto Sans Thai", sans-serif; font-weight: 400; font-size: .8125rem; color: var(--ink-2); }
.nav { display: flex; align-items: center; gap: 22px; }
.nav a { text-decoration: none; font-size: .9375rem; font-weight: 600; color: var(--ink-2); }
.nav a:hover { color: var(--ink); }
.nav a.btn-line, .nav a.btn-line:hover { color: #fff; }
.nw { white-space: nowrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 10px 24px; border-radius: 999px; font-weight: 600; font-size: 1rem; text-decoration: none; border: 1.5px solid var(--line); background: var(--card); color: var(--ink); transition: transform .15s ease, box-shadow .15s ease, background-color .15s; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 18px rgba(59,43,34,.12); }
.btn-line { background: var(--green); border-color: var(--green); color: #fff; }
.btn-line:hover { background: var(--green-d); border-color: var(--green-d); }
.btn-lg { min-height: 56px; padding: 12px 30px; font-size: 1.125rem; }
.btn-sm { min-height: 42px; padding: 6px 18px; font-size: .9375rem; }
.btn-ghost { background: transparent; }

/* hero */
.hero { padding: 48px 0 56px; background: radial-gradient(900px 420px at 85% -10%, #f5e4c8 0, transparent 70%), var(--bg); }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 48px; align-items: center; }
.hero h1 { margin: 6px 0 16px; font-size: clamp(2.1rem, 5.4vw, 3.5rem); line-height: 1.1; letter-spacing: -.01em; }
.hero h1 em { font-style: normal; color: var(--brown); }
.hero p.lead { margin: 0 0 22px; font-size: 1.1875rem; color: var(--ink-2); max-width: 32em; }
.price-pill { display: inline-flex; align-items: baseline; gap: 10px; margin: 0 0 24px; padding: 10px 22px; border-radius: 16px; background: var(--cocoa); color: #fbf3e4; }
.price-pill span { font-size: .9375rem; opacity: .9; }
.price-pill b { font-family: Kanit, sans-serif; font-size: 2rem; line-height: 1; color: #ffd9a0; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.hero-note { margin: 16px 0 0; font-size: .875rem; color: var(--ink-2); }
.mosaic { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.mosaic figure { margin: 0; border-radius: 22px; overflow: hidden; background: var(--cream); box-shadow: 0 14px 32px rgba(59,43,34,.16); aspect-ratio: 1; }
.mosaic figure:nth-child(even) { transform: translateY(26px); }
.mosaic img { width: 100%; height: 100%; object-fit: cover; }

/* stats */
.stats { background: var(--cocoa); color: #fbf3e4; padding: 0; }
.stats ul { list-style: none; margin: 0; padding: 26px 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; text-align: center; }
.stat b { display: block; font-size: clamp(1.7rem, 4vw, 2.5rem); line-height: 1.1; color: #ffd9a0; font-weight: 600; }
.stat span { font-size: .9375rem; opacity: .88; }
.stats li + li { border-left: 1px solid rgba(255,255,255,.14); }

/* benefits */
.benefits { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; list-style: none; margin: 0; padding: 0; }
.benefit { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 24px 22px; }
.benefit .ico { color: var(--caramel); margin-bottom: 14px; }
.benefit h3 { margin: 0 0 6px; font-size: 1.125rem; line-height: 1.3; }
.benefit p { margin: 0; color: var(--ink-2); font-size: .9375rem; }

/* margin */
.margin-sec { background: linear-gradient(180deg, var(--cream), var(--bg)); }
.tiers { list-style: none; margin: 0 auto 18px; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; max-width: 760px; }
.price-note { margin: 0 auto 22px; max-width: 760px; padding: 14px 20px; border-radius: 16px; background: var(--cream); border: 1px dashed var(--caramel); text-align: center; font-weight: 500; font-size: 1.0625rem; }
.tier { position: relative; background: var(--card); border: 1.5px solid var(--line); border-radius: 22px; padding: 26px 22px 22px; text-align: center; display: grid; gap: 2px; }
.tier.is-pick { border-color: var(--caramel); box-shadow: 0 14px 30px rgba(194,122,44,.18); }
.tier-flag { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); padding: 3px 14px; border-radius: 999px; background: var(--caramel); color: #fff; font-family: Kanit, sans-serif; font-size: .8125rem; font-weight: 500; white-space: nowrap; }
.tier-flag-green { background: var(--green); }
.tier small { color: var(--ink-2); font-size: .9375rem; }
.price-big { font-size: clamp(2.2rem, 5vw, 3.2rem); line-height: 1.05; font-weight: 600; }
.tier dl { margin: 14px 0 0; padding-top: 14px; border-top: 1px dashed var(--line); display: grid; gap: 6px; }
.tier dl div, .calc-out div { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.tier dt { color: var(--ink-2); font-size: .9375rem; }
.tier dd { margin: 0; font-family: Kanit, sans-serif; font-weight: 600; color: var(--green); }
.calc { margin: 0 0 22px; padding: 26px; border-radius: 24px; background: var(--cocoa); color: #fbf3e4; }
.js-only { display: none; }
.js .js-only { display: block; }
.calc h3 { margin: 0 0 16px; font-size: 1.25rem; color: #fff; }
.calc-in { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 18px; }
.calc label { display: grid; gap: 6px; font-size: .9375rem; opacity: .95; }
.calc input[type=number] { width: 100%; min-height: 46px; padding: 8px 12px; border-radius: 12px; border: 1.5px solid rgba(255,255,255,.25); background: rgba(255,255,255,.08); color: #fff; font: inherit; font-size: 1.0625rem; }
.calc input[type=range] { width: 100%; accent-color: #ffd9a0; min-height: 46px; }
.calc output { font-family: Kanit, sans-serif; font-weight: 600; color: #ffd9a0; }
.calc-out { margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.calc-out div { flex-direction: column; align-items: flex-start; gap: 2px; padding: 14px 16px; border-radius: 16px; background: rgba(255,255,255,.08); }
.calc-out dt { font-size: .875rem; opacity: .85; }
.calc-out dd { margin: 0; font-family: Kanit, sans-serif; font-size: 1.5rem; font-weight: 600; }
.calc-out .is-profit { background: var(--green); }
.calc-out .is-loss { background: #9b3a2a; }
.calc-note { margin: 14px 0 0; font-size: .9375rem; opacity: .92; min-height: 1.6em; }
.terms-list { list-style: none; margin: 0 0 22px; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px 16px; }
.terms-list li { padding: 12px 16px; border-radius: 14px; background: var(--card); border: 1px solid var(--line); font-size: .9688rem; }
.terms-list b { display: block; font-family: Kanit, sans-serif; font-weight: 500; font-size: 1.0625rem; }
.fine { margin: 16px 0 0; font-size: .875rem; color: var(--ink-2); }

/* menu */
.menu-nav { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 28px; }
.menu-nav a { padding: 7px 18px; border-radius: 999px; background: var(--card); border: 1.5px solid var(--line); text-decoration: none; font-weight: 600; font-size: .9375rem; }
.menu-nav a:hover { border-color: var(--caramel); }
.menu-cat { margin: 0 0 44px; }
.cat-head { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 14px; margin: 0 0 6px; padding-bottom: 10px; border-bottom: 2px solid var(--line); }
.cat-head h3 { margin: 0; font-size: 1.5rem; }
.cat-en { color: var(--ink-2); font-size: .9375rem; }
.cat-note { margin: 12px 0 0; padding: 12px 16px; border-radius: 14px; background: var(--cream); font-size: .9375rem; color: var(--ink); }
.menu-grid { list-style: none; margin: 18px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(46%, 200px), 1fr)); gap: 16px; }
.menu-card { background: var(--card); border: 1px solid var(--line); border-radius: 20px; overflow: hidden; transition: transform .25s ease, box-shadow .25s ease; }
.menu-card:hover { transform: translateY(-4px); box-shadow: 0 14px 28px rgba(59,43,34,.13); }
.menu-pic { position: relative; background: var(--cream); }
.menu-pic img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.menu-card h4 { margin: 0; padding: 12px 14px 14px; font-size: 1rem; line-height: 1.35; font-weight: 500; }
.menu-card p { margin: -6px 0 0; padding: 0 14px 14px; font-size: .8125rem; color: var(--ink-2); line-height: 1.5; }
.badge { position: absolute; top: 10px; left: 10px; padding: 2px 12px; border-radius: 999px; font-family: Kanit, sans-serif; font-size: .8125rem; font-weight: 600; box-shadow: 0 4px 10px rgba(0,0,0,.18); }
.badge-best { background: #c0392b; color: #fff; }
.badge-hot { background: #e2812c; color: #fff; }

/* shelf life */
.shelf { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.shelf-box { background: var(--card); border: 1px solid var(--line); border-radius: 22px; padding: 26px; }
.shelf-box small { display: block; color: var(--ink-2); font-size: .9375rem; }
.shelf-box b { display: block; font-family: Kanit, sans-serif; font-size: clamp(1.8rem, 4vw, 2.4rem); line-height: 1.15; color: var(--brown); margin: 2px 0 8px; }
.shelf-box p { margin: 0; color: var(--ink-2); font-size: .9375rem; }
.tip { margin: 18px 0 0; padding: 16px 20px; border-radius: 16px; background: var(--cream); border-left: 4px solid var(--caramel); font-size: .9688rem; }

/* steps */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: s; }
.step { position: relative; background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 24px 22px; }
.step .num { display: grid; place-items: center; width: 40px; height: 40px; margin-bottom: 14px; border-radius: 50%; background: var(--cocoa); color: #ffd9a0; font-weight: 600; font-size: 1.125rem; }
.step h3 { margin: 0 0 6px; font-size: 1.125rem; line-height: 1.3; }
.step p { margin: 0; color: var(--ink-2); font-size: .9375rem; }

/* trust */
.trust { background: var(--cocoa); color: #fbf3e4; border-radius: 28px; padding: 40px; display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
.trust h2 { color: #fff; }
.trust .years { font-family: Kanit, sans-serif; font-size: clamp(3rem, 8vw, 5rem); line-height: 1; color: #ffd9a0; font-weight: 600; }
.trust p { margin: 8px 0 0; opacity: .92; }
.chips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.chips li { padding: 7px 16px; border-radius: 999px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2); font-size: .9375rem; }
.trust small { display: block; margin: 16px 0 6px; opacity: .8; }
.trust a { color: #ffd9a0; }

/* faq */
.faq { display: grid; gap: 10px; max-width: 820px; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 0 20px; }
.faq summary { cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 0; font-weight: 600; font-size: 1.0625rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: Kanit, sans-serif; font-size: 1.5rem; line-height: 1; color: var(--caramel); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0 0 16px; color: var(--ink-2); }

/* cta + footer */
.msg { margin: 0 auto 22px; max-width: 760px; text-align: left; padding: 22px; border-radius: 22px; background: var(--card); border: 1px solid var(--line); }
.msg h3 { margin: 0 0 4px; font-size: 1.1875rem; }
.msg > p { margin: 0 0 14px; font-size: .9375rem; color: var(--ink-2); }
.msg-in { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 12px; }
.msg label { display: grid; gap: 4px; font-size: .875rem; color: var(--ink-2); }
.msg input, .msg select, .msg textarea { width: 100%; min-height: 44px; padding: 8px 12px; border-radius: 12px; border: 1.5px solid var(--line); background: #fff; color: var(--ink); font: inherit; font-size: 1rem; }
.msg textarea { min-height: 128px; resize: vertical; line-height: 1.55; }
.msg-act { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin-top: 12px; }
.msg-note { font-size: .875rem; color: var(--green-d); min-height: 1.4em; }
.cta { padding: 0 0 72px; }
.cta-box { text-align: center; padding: 52px 24px; border-radius: 28px; background: radial-gradient(600px 260px at 50% 0, #f8e2bd, transparent 70%), var(--cream); border: 1px solid var(--line); }
.cta-box h2 { margin-bottom: 10px; }
.cta-box p { margin: 0 auto 24px; max-width: 34em; color: var(--ink-2); }
.cta-box .cta-row { justify-content: center; }
footer { border-top: 1px solid var(--line); padding: 28px 0 40px; font-size: .9375rem; color: var(--ink-2); }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; }
footer a { margin-right: 16px; }
.dock { display: none; }

/* motion */
.js .rv { opacity: 0; translate: 0 18px; transition: opacity .6s ease, translate .6s cubic-bezier(.2,.7,.2,1); }
.js .rv.is-in { opacity: 1; translate: 0 0; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .js .rv { opacity: 1; translate: none; transition: none; } .btn, .menu-card, .top { transition: none; } }

/* responsive */
@media (max-width: 960px) {
  .nav a:not(.btn) { display: none; }
  .hero .wrap { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .mosaic { max-width: 440px; }
  .benefits, .steps { grid-template-columns: repeat(2, 1fr); }
  .trust { grid-template-columns: minmax(0, 1fr); padding: 30px 24px; }
}
@media (max-width: 680px) {
  section { padding: 48px 0; }
  .stats ul { grid-template-columns: repeat(2, 1fr); }
  .stats li:nth-child(3) { border-left: 0; }
  .stats li:nth-child(n+3) { padding-top: 14px; border-top: 1px solid rgba(255,255,255,.14); }
  .tiers, .calc-in, .terms-list, .msg-in { grid-template-columns: minmax(0, 1fr); }
  .calc-out { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .calc-out dd { font-size: 1.25rem; }
  .tier { padding-top: 30px; }
  .shelf { grid-template-columns: minmax(0, 1fr); }
  .benefits, .steps { grid-template-columns: minmax(0, 1fr); }
  .top .btn-sm { display: none; }
  .dock { position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 60; display: flex; justify-content: center; transform: translateY(140%); transition: transform .3s ease; }
  .dock.is-on { transform: none; }
  .dock .btn { width: 100%; box-shadow: 0 10px 26px rgba(6,132,60,.4); }
  footer { padding-bottom: 96px; }
}