@font-face { font-family: Kanit; src: url('../fonts/Kanit-Regular.ttf') format('truetype'); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: Kanit; src: url('../fonts/Kanit-SemiBold.ttf') format('truetype'); font-weight: 600; font-style: normal; font-display: swap; }
:root { --df-ink: #173a32; --df-paper: #f4f1e8; --df-clay: #a64728; --df-muted: #5e6d67; --df-line: #d8d1c1; --df-white: #fffdf8; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body { margin: 0; overflow-x: hidden; background: var(--df-paper); color: var(--df-ink); font-family: Kanit, sans-serif; font-size: 1rem; line-height: 1.75; }
body::before { position: fixed; inset: 0; z-index: -1; background-image: linear-gradient(rgba(23,58,50,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(23,58,50,.035) 1px, transparent 1px); background-size: 32px 32px; content: ''; pointer-events: none; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--df-clay); outline-offset: 4px; }
.skip-link { position: fixed; top: 12px; left: 20px; z-index: 100; transform: translateY(-160%); background: var(--df-white); padding: 10px 16px; border: 2px solid var(--df-ink); }
.skip-link:focus { transform: translateY(0); }
.shell { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.site-header { position: relative; z-index: 20; border-bottom: 1px solid var(--df-line); background: rgba(244,241,232,.94); backdrop-filter: blur(12px); }
.nav-row { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { text-decoration: none; font-size: 1.05rem; font-weight: 600; letter-spacing: .02em; }
.brand-mark { color: var(--df-clay); }
.menu-button { min-width: 44px; min-height: 44px; border: 1px solid var(--df-ink); background: transparent; color: var(--df-ink); font: inherit; }
.nav-panel { padding: 0 20px 20px; }
.nav-panel[hidden] { display: none; }
.nav-links { display: grid; gap: 4px; margin: 0; padding: 0; list-style: none; }
.nav-links a { min-height: 44px; display: flex; align-items: center; text-decoration: none; border-bottom: 1px solid var(--df-line); }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 10px 20px; border: 1px solid var(--df-ink); text-decoration: none; font-weight: 600; transition: transform .2s ease, background .2s ease, color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { border-color: var(--df-clay); background: var(--df-clay); color: var(--df-white); }
.button-dark { background: var(--df-ink); color: var(--df-white); }
.section { padding-block: clamp(72px, 10vw, 132px); border-bottom: 1px solid var(--df-line); }
.section-kicker { display: flex; align-items: center; gap: 14px; margin: 0 0 14px; color: var(--df-clay); font-size: .82rem; font-weight: 600; letter-spacing: .15em; text-transform: uppercase; }
.section-kicker::after { width: 52px; height: 1px; background: currentColor; content: ''; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 780px; margin-bottom: 24px; font-size: clamp(2.65rem, 8.5vw, 6.3rem); line-height: .98; letter-spacing: -.045em; }
h2 { max-width: 720px; margin-bottom: 22px; font-size: clamp(2rem, 5vw, 4rem); line-height: 1.08; letter-spacing: -.035em; }
h3 { font-size: clamp(1.25rem, 2vw, 1.55rem); line-height: 1.25; }
.lead { max-width: 650px; color: var(--df-muted); font-size: clamp(1.06rem, 2vw, 1.28rem); }
.hero { min-height: calc(100vh - 77px); min-height: calc(100svh - 77px); display: grid; align-items: center; padding-block: clamp(64px, 9vw, 120px); border-bottom: 1px solid var(--df-line); }
.hero-grid { display: grid; gap: 48px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero-note { position: relative; padding: 30px; background: var(--df-ink); color: var(--df-white); }
.hero-note::before { position: absolute; inset: 10px; border: 1px solid rgba(255,253,248,.2); content: ''; pointer-events: none; }
.hero-note-number { display: block; color: var(--df-clay); font-size: clamp(3rem, 12vw, 7rem); font-weight: 600; line-height: 1; }
.hero-note p { position: relative; margin: 18px 0 0; }
.grid { display: grid; gap: 16px; margin-top: 42px; }
.card { min-width: 0; padding: clamp(24px, 4vw, 36px); border: 1px solid var(--df-line); background: rgba(255,253,248,.62); }
.card-index { display: block; margin-bottom: 30px; color: var(--df-clay); font-size: .8rem; letter-spacing: .12em; }
.card p { margin-bottom: 0; color: var(--df-muted); }
.modules .card { min-height: 220px; display: flex; flex-direction: column; justify-content: space-between; }
.plans-wrap { display: grid; gap: 30px; }
.plan-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--df-line); }
.plan-list li { display: grid; grid-template-columns: 52px 1fr; gap: 12px; padding: 24px 0; border-bottom: 1px solid var(--df-line); }
.plan-list span { color: var(--df-clay); }
.process-grid { counter-reset: process; }
.process-step { position: relative; padding-left: 70px; }
.process-step::before { position: absolute; left: 0; top: 0; counter-increment: process; content: '0' counter(process); color: var(--df-clay); font-size: 1.4rem; font-weight: 600; }
.disclaimer { margin-top: 38px; padding: 24px; border-left: 5px solid var(--df-clay); background: var(--df-white); }
.disclaimer strong { display: block; margin-bottom: 6px; }
.faq-list { margin-top: 40px; border-top: 1px solid var(--df-line); }
details { border-bottom: 1px solid var(--df-line); }
summary { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 18px 0; cursor: pointer; font-size: 1.12rem; font-weight: 600; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; color: var(--df-clay); font-size: 1.7rem; font-weight: 400; }
details[open] summary::after { content: '−'; }
details p { max-width: 760px; padding: 0 0 24px; color: var(--df-muted); }
.contact { background: var(--df-ink); color: var(--df-white); }
.contact .section-kicker, .contact .lead { color: #d7dfdb; }
.contact h2 { max-width: 850px; }
.contact-actions { margin-top: 32px; }
footer { padding: 34px 0 calc(110px + env(safe-area-inset-bottom)); background: var(--df-ink); color: #c9d3cf; border-top: 1px solid rgba(255,255,255,.15); }
.footer-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
.mobile-cta { position: fixed; left: 12px; right: 12px; bottom: max(12px, env(safe-area-inset-bottom)); z-index: 30; box-shadow: 0 12px 35px rgba(23,58,50,.28); }
.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .65s ease, transform .65s ease; }
.js .reveal.is-visible { opacity: 1; transform: none; }
@media (min-width: 48rem) {
    .benefits-grid, .modules-grid, .process-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .plans-wrap { grid-template-columns: .8fr 1.2fr; align-items: start; }
}
@media (min-width: 64rem) {
    .menu-button { display: none; }
    .nav-panel, .nav-panel[hidden] { display: block; padding: 0; }
    .nav-links { display: flex; align-items: center; gap: 24px; }
    .nav-links a { border: 0; }
    .nav-links .nav-cta { min-height: 44px; padding: 8px 16px; background: var(--df-ink); color: var(--df-white); }
    .hero-grid { grid-template-columns: minmax(0, 1.7fr) minmax(280px, .65fr); align-items: end; }
    .hero-note { margin-bottom: -60px; }
    .benefits-grid, .modules-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .process-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .mobile-cta { display: none; }
    footer { padding-bottom: 34px; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    .js .reveal { opacity: 1; transform: none; }
}