:root {
  --green-950: #2f4735;
  --green-900: #3f5f46;
  --green-800: #56755c;
  --green-700: #668261;
  --mint-100: #e3eadc;
  --mint-50: #f3f5ed;
  --cream: #f7f0e4;
  --amber: #b88a5a;
  --ink: #3b342d;
  --muted: #746b60;
  --line: #ddd1c0;
  --white: #fff;
  --shadow: 0 20px 60px rgba(57, 72, 51, 0.14);
  --radius-lg: 28px;
  --radius-md: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Noto Sans Thai", "Leelawadee UI", Tahoma, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
.container { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 1000; padding: 10px 14px; background: #fff; border-radius: 10px; }
.skip-link:focus { top: 16px; }

.site-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid rgba(221, 209, 192, .85); background: rgba(255, 253, 249, .94); backdrop-filter: blur(14px); }
.header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; padding-bottom: 1px; border: 1px solid #d5c5ae; border-radius: 11px; background: #f3eadb; color: #56755c; font-family: Arial, sans-serif; font-weight: 900; font-size: 1.5rem; line-height: 1; text-shadow: none; box-shadow: 0 7px 18px rgba(86, 117, 92, .16); }
.brand strong, .brand small { display: block; line-height: 1.2; }
.brand strong { color: var(--green-950); font-size: 1rem; }
.brand small { margin-top: 4px; color: var(--muted); font-size: .72rem; }
.desktop-nav { display: flex; gap: 28px; margin-left: auto; }
.desktop-nav a { color: #62594f; text-decoration: none; font-weight: 650; font-size: .92rem; }
.desktop-nav a:hover { color: var(--green-700); }
.header-call { display: inline-flex; align-items: center; gap: 8px; padding: 10px 15px; border-radius: 12px; background: var(--mint-50); color: var(--green-900); font-weight: 800; text-decoration: none; }
.header-call svg { width: 18px; height: 18px; fill: currentColor; }

.hero { overflow: hidden; position: relative; padding: 74px 0 88px; background: linear-gradient(135deg, #f3f5ed 0%, #fbf6ed 63%, #fff 100%); }
.hero::before { content: ""; position: absolute; width: 430px; height: 430px; right: -170px; top: -240px; border: 70px solid rgba(184, 138, 90, .14); border-radius: 50%; }
.hero-grid { position: relative; display: grid; grid-template-columns: .94fr 1.06fr; align-items: center; gap: 64px; }
.eyebrow, .kicker { color: var(--green-700); font-weight: 800; font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin-bottom: 20px; }
.eyebrow span { width: 22px; height: 3px; background: var(--amber); border-radius: 4px; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.2; color: var(--green-950); }
h1 { margin-bottom: 23px; font-size: clamp(2.55rem, 5vw, 4.7rem); letter-spacing: -.045em; }
h1 em { color: var(--green-700); font-style: normal; }
.hero-lead { max-width: 650px; margin-bottom: 22px; color: #665f56; font-size: 1.14rem; }
.hero-points { display: grid; gap: 8px; padding: 0; margin: 0 0 30px; list-style: none; }
.hero-points li { display: flex; gap: 10px; align-items: flex-start; }
.hero-points li::before { content: "✓"; flex: 0 0 auto; width: 23px; height: 23px; display: grid; place-items: center; margin-top: 2px; border-radius: 50%; background: var(--mint-100); color: var(--green-800); font-size: .74rem; font-weight: 900; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { min-height: 51px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 12px 22px; border-radius: 14px; font-weight: 800; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid rgba(184, 138, 90, .72); outline-offset: 3px; }
.button svg { width: 22px; height: 22px; fill: currentColor; }
.button-primary { color: white; background: var(--green-800); box-shadow: 0 12px 25px rgba(63, 95, 70, .24); }
.button-primary:hover { background: var(--green-900); }
.button-secondary { color: var(--green-900); background: white; border: 1px solid var(--line); }
.contact-note { margin: 15px 0 0; color: var(--muted); font-size: .88rem; }
.hero-visual { position: relative; min-height: 490px; }
.hero-visual::after { content: ""; position: absolute; inset: 28px -24px -24px 34px; z-index: -1; border-radius: var(--radius-lg); background: var(--amber); opacity: .2; }
.hero-visual > img { width: 100%; height: 490px; object-fit: cover; object-position: center; border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.hero-card { position: absolute; left: -31px; bottom: 29px; display: flex; gap: 12px; align-items: center; padding: 15px 18px; background: white; border-radius: 16px; box-shadow: 0 14px 38px rgba(57, 72, 51, .18); }
.hero-card strong, .hero-card small { display: block; }
.hero-card strong { color: var(--green-950); }
.hero-card small { color: var(--muted); font-size: .78rem; }
.status-dot { width: 13px; height: 13px; border-radius: 50%; background: #668261; box-shadow: 0 0 0 6px #e3eadc; }

.trust-strip { border-bottom: 1px solid var(--line); background: #fff; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-grid > div { padding: 25px 22px; border-right: 1px solid var(--line); }
.trust-grid > div:first-child { border-left: 1px solid var(--line); }
.trust-grid strong, .trust-grid span { display: block; }
.trust-grid strong { color: var(--green-900); font-size: .96rem; }
.trust-grid span { margin-top: 3px; color: var(--muted); font-size: .79rem; }

.section { padding: 102px 0; }
.section-heading { max-width: 690px; margin: 0 auto 48px; text-align: center; }
.section-heading.left { margin: 0; text-align: left; }
.kicker { margin-bottom: 12px; }
.kicker.light { color: #dfe8d8; }
.section-heading h2, .process-intro h2, .audience-card h2, .cta-card h2 { margin-bottom: 16px; font-size: clamp(2rem, 4vw, 3.2rem); letter-spacing: -.03em; }
.section-heading > p:last-child, .process-intro > p { color: var(--muted); font-size: 1.04rem; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service-card { position: relative; min-height: 290px; display: flex; flex-direction: column; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius-md); background: #fff; transition: transform .2s ease, box-shadow .2s ease; }
.service-card:hover { transform: translateY(-4px); box-shadow: 0 18px 50px rgba(57, 72, 51, .1); }
.service-card.featured { border-color: transparent; background: var(--green-950); }
.service-card.featured h3, .service-card.featured p, .service-card.featured .text-link { color: white; }
.service-number { width: 43px; height: 43px; display: grid; place-items: center; margin-bottom: 31px; border-radius: 50%; background: var(--mint-50); color: var(--green-800); font-weight: 900; }
.featured .service-number { color: var(--green-950); background: var(--amber); }
.service-card h3 { margin-bottom: 10px; font-size: 1.38rem; }
.service-card p { color: var(--muted); }
.text-link { margin-top: auto; color: var(--green-800); font-weight: 800; text-decoration: none; }
.text-link span { transition: margin .2s ease; }
.text-link:hover span { margin-left: 4px; }

.process-section { background: var(--mint-50); }
.process-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; align-items: start; }
.process-intro { position: sticky; top: 112px; }
.process-intro img { width: 100%; height: 280px; margin-top: 30px; object-fit: cover; border-radius: 22px; }
.steps { padding: 0; margin: 0; list-style: none; counter-reset: step; }
.steps li { display: grid; grid-template-columns: 56px 1fr; gap: 22px; padding: 0 0 32px; position: relative; }
.steps li:not(:last-child)::before { content: ""; position: absolute; left: 27px; top: 56px; bottom: 5px; width: 2px; background: #d5cdbd; }
.steps li > span { width: 56px; height: 56px; display: grid; place-items: center; border: 1px solid #c7b89f; border-radius: 17px; background: #fff; color: var(--green-800); font-size: 1.18rem; font-weight: 900; box-shadow: 0 8px 25px rgba(57, 72, 51, .08); }
.steps h3 { margin: 6px 0 7px; font-size: 1.25rem; }
.steps p { margin: 0; color: var(--muted); }

.audience-section { padding: 80px 0; }
.audience-card { display: grid; grid-template-columns: 1.2fr .8fr; gap: 64px; align-items: center; padding: 53px 58px; border-radius: var(--radius-lg); background: var(--cream); }
.audience-card h2 { margin: 0; }
.audience-card ul { display: grid; gap: 13px; padding: 0; margin: 0; list-style: none; }
.audience-card li { display: flex; gap: 10px; }
.audience-card li::before { content: "•"; color: var(--amber); font-size: 1.7rem; line-height: .9; }

.faq-section { padding-top: 70px; }
.faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 76px; align-items: start; }
.accordion details { border-top: 1px solid var(--line); }
.accordion details:last-child { border-bottom: 1px solid var(--line); }
.accordion summary { position: relative; padding: 23px 48px 23px 0; cursor: pointer; color: var(--green-950); font-weight: 800; list-style: none; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after { content: "+"; position: absolute; right: 8px; top: 17px; color: var(--green-700); font-size: 1.7rem; font-weight: 400; }
.accordion details[open] summary::after { content: "−"; }
.accordion details p { padding: 0 48px 23px 0; margin: 0; color: var(--muted); }

.cta-section { padding: 30px 0 90px; }
.cta-card { display: grid; grid-template-columns: 1.25fr .75fr; gap: 50px; align-items: center; padding: 55px 62px; border-radius: var(--radius-lg); color: #e8eddf; background: linear-gradient(130deg, var(--green-950), var(--green-800)); box-shadow: var(--shadow); }
.cta-card h2 { color: #fff; }
.cta-card p { margin: 0; }
.cta-actions { display: grid; gap: 11px; }
.button-line { background: #f3eadb; color: #2f4735; }
.button-light { background: white; color: var(--green-950); }
.cta-actions small { text-align: center; color: #d8e2d2; }

.site-footer { padding: 35px 0 95px; border-top: 1px solid var(--line); background: #fff; }
.footer-inner { display: grid; grid-template-columns: 1fr auto; gap: 22px; align-items: center; }
.footer-inner strong, .footer-inner span { display: block; }
.footer-inner span { color: var(--muted); font-size: .82rem; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 20px; }
.footer-links a { color: var(--green-800); font-weight: 700; text-decoration: none; }
.mobile-contact { display: none; }

@media (max-width: 900px) {
  .desktop-nav { display: none; }
  .hero { padding: 54px 0 70px; }
  .hero-grid, .process-grid, .faq-grid { grid-template-columns: 1fr; gap: 46px; }
  .hero-copy { max-width: 690px; }
  .hero-visual { min-height: 420px; }
  .hero-visual > img { height: 420px; }
  .hero-card { left: 20px; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid > div:nth-child(odd) { border-left: 1px solid var(--line); }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 250px; }
  .process-intro { position: static; }
  .process-intro img { max-width: 560px; }
  .audience-card, .cta-card { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .container { width: min(100% - 28px, 1160px); }
  .header-inner { min-height: 66px; }
  .header-call { padding: 9px 12px; font-size: .83rem; }
  .header-call svg { display: none; }
  .brand small { display: none; }
  .brand-mark { width: 38px; height: 38px; }
  .hero { padding-top: 42px; }
  h1 { font-size: clamp(2.4rem, 12vw, 3.5rem); }
  .hero-lead { font-size: 1.03rem; }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .hero-visual, .hero-visual > img { min-height: 340px; height: 340px; }
  .hero-card { right: 14px; left: 14px; bottom: 14px; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .trust-grid > div { padding: 18px 12px; }
  .section { padding: 72px 0; }
  .section-heading { margin-bottom: 34px; }
  .section-heading h2, .process-intro h2, .audience-card h2, .cta-card h2 { font-size: 2rem; }
  .service-card { padding: 25px; }
  .audience-card, .cta-card { padding: 35px 26px; gap: 32px; }
  .faq-grid { gap: 30px; }
  .site-footer { padding-bottom: 105px; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .footer-links { justify-content: center; }
  .mobile-contact { position: fixed; z-index: 60; left: 10px; right: 10px; bottom: 10px; display: grid; grid-template-columns: .82fr 1.18fr; gap: 8px; padding: 8px; border: 1px solid rgba(221, 209, 192, .9); border-radius: 16px; background: rgba(255,253,249,.96); box-shadow: 0 14px 40px rgba(57, 72, 51, .2); backdrop-filter: blur(12px); }
  .mobile-contact a { min-height: 48px; display: grid; place-items: center; padding-inline: 6px; border-radius: 11px; font-size: .8rem; font-weight: 900; line-height: 1.25; text-align: center; text-decoration: none; }
  .mobile-contact a:first-child { color: var(--green-900); background: var(--mint-50); }
  .mobile-contact a:last-child { color: #fff; background: #56755c; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}