/* =====================================================================
   Planet Pro Solution — Clean Editorial
   Navy ink on warm white · serif display · wide rules · quiet motion
   ===================================================================== */
:root {
  --ink: #0b1f3f;          /* deep navy — headlines, dark bands */
  --navy: #0f2f5f;
  --blue: #1f5fbf;
  --accent: #e8590c;       /* single orange accent */
  --paper: #fbfaf7;        /* warm off-white page */
  --paper-2: #f3f1ec;      /* second surface */
  --white: #ffffff;
  --line: #d9d6cf;         /* hairline rules */
  --text: #1c2433;
  --muted: #6b7280;
  --on-dark: #c7d2e6;
  --display: 'Kanit', 'Sarabun', sans-serif;
  --sans: 'Sarabun', 'IBM Plex Sans Thai', 'Segoe UI', sans-serif;
  --container: 1280px;
  --ease: cubic-bezier(.2,.7,.2,1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--paper); color: var(--text);
  font-family: var(--sans); font-size: 17px; line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
/* paper grain */
body::before {
  content: ''; position: fixed; inset: 0; pointer-events: none; z-index: 0; opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
body > * { position: relative; z-index: 1; }
img { max-width: 100%; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--ink); }
h1, h2, h3 { font-family: var(--display); font-weight: 600; color: var(--ink); margin: 0; line-height: 1.12; letter-spacing: -.01em; text-wrap: pretty; }
p { margin: 0; }
button { font: inherit; cursor: pointer; }
input, select, textarea { font: inherit; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
@media (min-width: 1024px) { .container { padding: 0 40px; } }
.hidden { display: none !important; }

/* ---------- reveal on scroll ---------- */
.rv { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.rv.in { opacity: 1; transform: none; }
.rv-d1 { transition-delay: .08s } .rv-d2 { transition-delay: .16s } .rv-d3 { transition-delay: .24s } .rv-d4 { transition-delay: .32s } .rv-d5 { transition-delay: .40s } .rv-d6 { transition-delay: .48s }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; transition: none; } }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 26px; border-radius: 999px; font-weight: 600; font-size: 15px; letter-spacing: .01em; border: 1.5px solid transparent; transition: transform .2s var(--ease), background .2s, color .2s, border-color .2s; }
.btn:active { transform: scale(.98); }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: var(--accent); color: #fff; }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--ink); color: #fff; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: #fff; }
.btn-light { background: #fff; color: var(--ink); }
.btn-light:hover { background: var(--accent); color: #fff; }
.btn-sm { min-height: 44px; padding: 0 20px; font-size: 14px; }
.btn-block { width: 100%; }
.btn svg { transition: transform .2s var(--ease); }
.btn:hover svg { transform: translateX(3px); }

/* ---------- section scaffolding ---------- */
.section { padding: 64px 0; }
@media (min-width: 1024px) { .section { padding: 112px 0; } }
.section-alt { background: var(--paper-2); }
.rule { height: 1px; background: var(--line); }
.kicker { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 14px; font-size: 12px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--accent); margin-bottom: 18px; }
.kicker::before { content: ''; width: 36px; height: 1px; background: var(--accent); }
.kicker b { color: var(--muted); font-weight: 500; letter-spacing: .1em; }
.section-head { display: grid; gap: 20px; margin-bottom: 40px; padding-bottom: 28px; border-bottom: 1px solid var(--line); }
@media (min-width: 1024px) { .section-head { grid-template-columns: 1.4fr 1fr; align-items: end; gap: 64px; margin-bottom: 56px; } }
.section-head h2 { font-size: 34px; font-weight: 600; }
@media (min-width: 1024px) { .section-head h2 { font-size: 52px; } }
.section-head p { color: var(--muted); font-size: 17px; max-width: 460px; }
.section-head .actions { display: flex; gap: 12px; align-items: center; }
@media (min-width: 1024px) { .section-head .actions { justify-content: flex-end; } }

/* ---------- nav ---------- */
.nav { position: sticky; top: 0; z-index: 40; background: rgba(251,250,247,.86); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
@media (min-width: 1024px) { .nav-inner { height: 84px; } }
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); }
.brand img { width: auto; height: 36px; object-fit: contain; }
.brand-name { font-family: var(--display); font-weight: 700; font-size: 17px; letter-spacing: .02em; line-height: 1.1; display: block; }
.brand-sub { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); display: none; }
@media (min-width: 1024px) { .brand img { height: 42px; } .brand-name { font-size: 19px; } .brand-sub { display: block; } }
.nav-links { display: none; gap: 30px; font-size: 15px; font-weight: 500; }
.nav-links a { color: var(--text); position: relative; padding: 6px 0; }
.nav-links a::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 1.5px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
@media (min-width: 1024px) { .nav-links { display: flex; } }
.nav-links.open { display: flex; position: absolute; left: 0; right: 0; top: 68px; flex-direction: column; gap: 0; background: var(--paper); border-bottom: 1px solid var(--line); padding: 8px 20px 16px; }
.nav-links.open a { padding: 14px 0; border-bottom: 1px solid var(--line); }
.nav-cta { display: flex; align-items: center; gap: 10px; }
.nav-phone { display: none; font-weight: 600; color: var(--ink); font-variant-numeric: tabular-nums; }
@media (min-width: 1024px) { .nav-phone { display: inline; margin-right: 6px; } }
.btn-icon { display: inline-flex; width: 44px; height: 44px; align-items: center; justify-content: center; border-radius: 50%; background: var(--ink); color: #fff; }
@media (min-width: 1024px) { .btn-icon { display: none; } }
.btn-quote { display: none; }
@media (min-width: 1024px) { .btn-quote { display: inline-flex; } }
.nav-toggle { display: inline-flex; width: 44px; height: 44px; align-items: center; justify-content: center; border-radius: 50%; border: 1px solid var(--line); background: #fff; color: var(--ink); }
@media (min-width: 1024px) { .nav-toggle { display: none; } }

/* ---------- hero ---------- */
.hero { padding: 48px 0 0; overflow: hidden; }
@media (min-width: 1024px) { .hero { padding: 88px 0 0; } }
.hero-top { display: grid; gap: 28px; }
@media (min-width: 1024px) { .hero-top { grid-template-columns: 7fr 5fr; gap: 64px; align-items: end; } }
.hero h1 { font-size: 40px; font-weight: 700; line-height: 1.08; }
@media (min-width: 1024px) { .hero h1 { font-size: 78px; line-height: 1.04; letter-spacing: -.02em; white-space: nowrap; } }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero-side { display: flex; flex-direction: column; gap: 24px; padding-bottom: 8px; }
.hero-lead { font-size: 17px; color: var(--muted); max-width: 440px; }
@media (min-width: 1024px) { .hero-lead { font-size: 19px; } }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-figure { position: relative; margin: 44px 0 0; }
@media (min-width: 1024px) { .hero-figure { margin-top: 64px; } }
.hero-figure img { width: 100%; height: 300px; object-fit: cover; border-radius: 6px; }
@media (min-width: 1024px) { .hero-figure img { height: 560px; } }
.hero-figure::after { content: ''; position: absolute; inset: 0; border-radius: 6px; background: linear-gradient(180deg, rgba(11,31,63,0) 55%, rgba(11,31,63,.55) 100%); pointer-events: none; }
.hero-caption { position: absolute; left: 16px; right: 16px; bottom: 14px; z-index: 1; display: flex; flex-wrap: wrap; gap: 6px 18px; color: #fff; font-size: 13px; }
@media (min-width: 1024px) { .hero-caption { left: 36px; right: 36px; bottom: 32px; font-size: 15px; } }
.hero-caption span { display: inline-flex; align-items: center; gap: 8px; }
.hero-caption svg { color: var(--accent); }
.hero-stats { display: grid; grid-template-columns: 1fr; gap: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-top: 0; }
@media (min-width: 640px) { .hero-stats { grid-template-columns: repeat(3, 1fr); } }
.hero-stats > div { padding: 22px 0; }
@media (min-width: 1024px) { .hero-stats > div { padding: 32px 36px; border-right: 1px solid var(--line); } .hero-stats > div:first-child { padding-left: 0; } .hero-stats > div:last-child { border-right: 0; } }
.hero-stats strong { display: block; font-family: var(--display); font-weight: 600; font-size: 19px; color: var(--ink); line-height: 1.2; }
@media (min-width: 1024px) { .hero-stats strong { font-size: 24px; } }
.hero-stats small { display: block; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-top: 6px; }

/* ---------- services: numbered editorial list ---------- */
.svc-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.svc { display: grid; grid-template-columns: 44px 1fr; gap: 16px; padding: 24px 0; border-bottom: 1px solid var(--line); color: inherit; align-items: start; transition: background .2s; }
@media (min-width: 1024px) { .svc { grid-template-columns: 80px 1.1fr 1.4fr 220px; gap: 32px; align-items: center; padding: 28px 0; } }
.svc:hover { background: linear-gradient(90deg, rgba(232,89,12,.05), transparent 60%); }
.svc-no { font-family: var(--display); font-weight: 500; font-size: 22px; color: var(--accent); line-height: 1; }
@media (min-width: 1024px) { .svc-no { font-size: 28px; } }
.svc h3 { font-size: 20px; font-weight: 600; }
@media (min-width: 1024px) { .svc h3 { font-size: 24px; } }
.svc p { color: var(--muted); font-size: 15px; grid-column: 2; }
@media (min-width: 1024px) { .svc p { grid-column: auto; } }
.svc-img { grid-column: 2; margin-top: 10px; aspect-ratio: 16 / 9; border-radius: 4px; overflow: hidden; }
@media (min-width: 1024px) { .svc-img { grid-column: auto; margin: 0; aspect-ratio: 3 / 2; } }
.svc-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.svc:hover .svc-img img { transform: scale(1.05); }

/* ---------- process ---------- */
.process { display: grid; gap: 32px; }
@media (min-width: 1024px) { .process { grid-template-columns: 5fr 7fr; gap: 96px; align-items: start; } .process-side { position: sticky; top: 110px; } }
.process-side h2 { font-size: 34px; }
@media (min-width: 1024px) { .process-side h2 { font-size: 50px; } }
.process-side p { color: var(--muted); margin-top: 18px; max-width: 420px; }
.steps { counter-reset: s; }
.step { display: grid; grid-template-columns: 56px 1fr; gap: 16px; padding: 22px 0; border-top: 1px solid var(--line); }
@media (min-width: 1024px) { .step { grid-template-columns: 96px 1fr; gap: 24px; padding: 28px 0; } }
.step:last-child { border-bottom: 1px solid var(--line); }
.step-no { font-family: var(--display); font-weight: 500; font-size: 30px; color: var(--line); line-height: 1; font-variant-numeric: tabular-nums; transition: color .3s; }
@media (min-width: 1024px) { .step-no { font-size: 44px; } }
.step:hover .step-no, .step.in .step-no { color: var(--accent); }
.step h3 { font-size: 18px; font-weight: 600; }
@media (min-width: 1024px) { .step h3 { font-size: 22px; } }
.step p { color: var(--muted); font-size: 15px; margin-top: 4px; }

/* ---------- project cards ---------- */
.grid-3 { display: grid; gap: 28px; }
@media (min-width: 640px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-3 { grid-template-columns: repeat(3, 1fr); gap: 36px 32px; } }
.card { display: flex; flex-direction: column; gap: 14px; color: inherit; }
.card:hover { color: inherit; }
.card-img { position: relative; aspect-ratio: 4 / 3; overflow: hidden; border-radius: 4px; background: var(--paper-2); }
.card-img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.card:hover .card-img img { transform: scale(1.04); }
.tag { position: absolute; left: 12px; top: 12px; padding: 5px 11px; border-radius: 999px; background: rgba(251,250,247,.92); color: var(--ink); font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.count { position: absolute; right: 12px; bottom: 12px; display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px; border-radius: 999px; background: rgba(11,31,63,.8); color: #fff; font-size: 12px; }
.card-body { display: flex; flex-direction: column; gap: 8px; }
.card h3 { font-size: 20px; font-weight: 600; line-height: 1.3; }
.meta { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 13px; color: var(--muted); }
.meta span { display: inline-flex; align-items: center; gap: 5px; }
.link-more { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: 14px; color: var(--ink); margin-top: 2px; }
.link-more::after { content: '→'; transition: transform .2s var(--ease); }
.card:hover .link-more::after, .link-more:hover::after { transform: translateX(4px); }
.link-more.accent { color: var(--accent); }

/* ---------- clients ---------- */
.clients-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
@media (min-width: 1024px) { .clients-grid { grid-template-columns: repeat(6, 1fr); } }
.client { display: flex; align-items: center; justify-content: center; min-height: 92px; padding: 16px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); font-family: var(--display); font-size: 16px; color: var(--muted); text-align: center; transition: color .2s, background .2s; }
.client:hover { color: var(--ink); background: #fff; }
.client img { max-height: 40px; width: auto; object-fit: contain; filter: grayscale(1); opacity: .7; transition: .2s; }
.client:hover img { filter: none; opacity: 1; }

/* ---------- contact ---------- */
.contact { background: var(--ink); color: #fff; position: relative; overflow: hidden; }
.contact::before { content: ''; position: absolute; right: -10%; top: -30%; width: 60%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(closest-side, rgba(31,95,191,.35), transparent); pointer-events: none; }
.contact h2 { color: #fff; font-size: 34px; }
@media (min-width: 1024px) { .contact h2 { font-size: 52px; } }
.contact .kicker { color: #f3a06a; } .contact .kicker::before { background: #f3a06a; }
.contact-grid { display: grid; gap: 40px; position: relative; }
@media (min-width: 1024px) { .contact-grid { grid-template-columns: 1fr 520px; gap: 96px; align-items: start; } }
.contact-lead { color: var(--on-dark); font-size: 17px; max-width: 480px; margin-top: 16px; }
.contact-list { display: grid; gap: 0; margin-top: 32px; border-top: 1px solid rgba(255,255,255,.14); }
.contact-item { display: grid; grid-template-columns: 110px 1fr; gap: 16px; padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.14); }
.contact-item dt { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--on-dark); padding-top: 4px; }
.contact-item dd { margin: 0; font-size: 17px; }
.contact-item dd.tel { display: flex; flex-wrap: wrap; gap: 6px 24px; font-family: var(--display); font-weight: 500; font-size: 19px; font-variant-numeric: tabular-nums; }
.contact-item a { color: #fff; border-bottom: 1px solid rgba(255,255,255,.3); }
.contact-item a:hover { border-color: var(--accent); color: #fff; }
.contact-item small { display: block; color: var(--on-dark); font-size: 14px; margin-top: 4px; }
.form-card { background: var(--paper); color: var(--text); border-radius: 8px; padding: 28px 22px; display: flex; flex-direction: column; gap: 16px; }
@media (min-width: 1024px) { .form-card { padding: 40px; } }
.form-card .field label { font-size: 14px; }
.form-card h3 { font-size: 24px; }
.form-card .sub { color: var(--muted); font-size: 14px; margin-top: -8px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 13px; font-weight: 600; color: var(--ink); }
.field .req { color: var(--accent); }
.field input, .field select, .field textarea { min-height: 48px; padding: 10px 0; border: 0; border-bottom: 1.5px solid var(--line); border-radius: 0; background: transparent; font-size: 16px; color: var(--text); width: 100%; transition: border-color .2s; }
.field textarea { min-height: 72px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-bottom-color: var(--accent); }
.form-row { display: grid; gap: 16px; }
@media (min-width: 640px) { .form-row { grid-template-columns: 1fr 1fr; } }
.form-note { font-size: 13px; color: var(--muted); text-align: center; }

/* ---------- footer ---------- */
.footer { background: var(--ink); color: var(--on-dark); font-size: 14px; border-top: 1px solid rgba(255,255,255,.1); }
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 14px; padding: 28px 0; text-align: center; }
@media (min-width: 1024px) { .footer-inner { flex-direction: row; justify-content: space-between; text-align: left; padding: 32px 0; } }
.footer .brand { color: #fff; font-family: var(--display); font-weight: 600; }
.footer .brand img { width: auto; height: 30px; background: #fff; border-radius: 8px; padding: 4px 8px; }
.footer-links { display: flex; gap: 22px; }
.footer-links a { color: var(--on-dark); }
.footer-links a:hover { color: #fff; }

/* ---------- portfolio page ---------- */
.page-head { padding: 48px 0 32px; }
@media (min-width: 1024px) { .page-head { padding: 80px 0 40px; } }
.crumbs { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--muted); margin-bottom: 20px; flex-wrap: wrap; letter-spacing: .04em; }
.crumbs a { color: var(--muted); } .crumbs a:hover { color: var(--ink); }
.crumbs .current { color: var(--ink); font-weight: 600; }
.page-head h1 { font-size: 44px; font-weight: 700; }
@media (min-width: 1024px) { .page-head h1 { font-size: 72px; } }
.page-head p { color: var(--muted); font-size: 17px; max-width: 680px; margin-top: 16px; }
.filters { position: sticky; top: 68px; z-index: 30; background: rgba(251,250,247,.9); backdrop-filter: blur(10px); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
@media (min-width: 1024px) { .filters { top: 84px; } }
.filters-inner { display: flex; gap: 6px; padding: 12px 0; overflow-x: auto; scrollbar-width: none; }
.filters-inner::-webkit-scrollbar { display: none; }
.chip { display: inline-flex; align-items: center; gap: 8px; height: 40px; padding: 0 16px; border-radius: 999px; color: var(--text); font-size: 14px; font-weight: 500; white-space: nowrap; flex-shrink: 0; transition: background .2s, color .2s; }
.chip:hover { background: var(--paper-2); color: var(--ink); }
.chip.active { background: var(--ink); color: #fff; }
.chip b { font-weight: 500; font-size: 12px; color: var(--muted); }
.chip.active b { color: var(--on-dark); }
.empty { padding: 64px 20px; text-align: center; color: var(--muted); border: 1px dashed var(--line); border-radius: 8px; }
.empty strong { display: block; font-family: var(--display); font-size: 20px; color: var(--ink); margin-bottom: 6px; }
.cta-band { background: var(--paper-2); border-top: 1px solid var(--line); }
.cta-band-inner { display: flex; flex-direction: column; gap: 20px; padding: 56px 0; }
@media (min-width: 1024px) { .cta-band-inner { flex-direction: row; align-items: center; justify-content: space-between; gap: 48px; padding: 72px 0; } }
.cta-band strong { display: block; font-family: var(--display); font-weight: 600; font-size: 26px; color: var(--ink); line-height: 1.25; }
@media (min-width: 1024px) { .cta-band strong { font-size: 36px; } }
.cta-band span { color: var(--muted); }

/* ---------- project detail ---------- */
.detail-head { padding: 40px 0 28px; }
@media (min-width: 1024px) { .detail-head { padding: 72px 0 40px; } }
.detail-head h1 { font-size: 34px; max-width: 900px; }
@media (min-width: 1024px) { .detail-head h1 { font-size: 56px; } }
.detail-grid { display: grid; gap: 40px; padding: 0 0 64px; }
@media (min-width: 1024px) { .detail-grid { grid-template-columns: 1fr 380px; gap: 72px; align-items: start; } .detail-side { position: sticky; top: 110px; } }
.gallery-main { position: relative; aspect-ratio: 16 / 10; border-radius: 6px; overflow: hidden; background: var(--paper-2); }
.gallery-main img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; cursor: zoom-in; }
.gallery-cap { position: absolute; left: 16px; bottom: 16px; padding: 6px 12px; border-radius: 4px; background: rgba(11,31,63,.85); color: #fff; font-size: 13px; max-width: 80%; }
.gallery-thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 10px; }
@media (min-width: 1024px) { .gallery-thumbs { grid-template-columns: repeat(6, 1fr); gap: 10px; } }
.gallery-thumbs a { display: block; position: relative; aspect-ratio: 4 / 3; border-radius: 4px; overflow: hidden; opacity: .75; transition: opacity .2s; }
.gallery-thumbs a:hover, .gallery-thumbs a.cur { opacity: 1; }
.gallery-thumbs a.cur { outline: 2px solid var(--accent); outline-offset: -2px; }
.gallery-thumbs img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.detail-section { margin-top: 40px; }
.detail-section h2 { font-size: 26px; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.rich { color: var(--text); font-size: 17px; }
.rich p { margin-bottom: 14px; }
.scope { display: grid; gap: 0; }
@media (min-width: 640px) { .scope { grid-template-columns: 1fr 1fr; column-gap: 32px; } }
.scope div { display: flex; align-items: flex-start; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.scope div::before { content: ''; width: 8px; height: 8px; margin-top: 8px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.before-after { display: grid; gap: 16px; }
@media (min-width: 640px) { .before-after { grid-template-columns: 1fr 1fr; } }
.before-after figure { margin: 0; position: relative; border-radius: 6px; overflow: hidden; aspect-ratio: 3 / 2; }
.before-after img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.before-after figcaption { position: absolute; left: 12px; top: 12px; padding: 5px 11px; border-radius: 999px; background: rgba(251,250,247,.92); color: var(--muted); font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.before-after figure.after figcaption { background: var(--accent); color: #fff; }
.info-card { border-top: 2px solid var(--ink); }
.info-card header { padding: 16px 0 8px; font-family: var(--display); font-size: 20px; color: var(--ink); }
.info-card dl { margin: 0; }
.info-card .row { display: grid; grid-template-columns: 110px 1fr; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.info-card dt { color: var(--muted); font-size: 13px; padding-top: 2px; }
.info-card dd { margin: 0; font-weight: 600; color: var(--ink); }
.side-cta { margin-top: 28px; display: flex; flex-direction: column; gap: 12px; padding: 24px; background: var(--paper-2); border-radius: 8px; }
.side-cta h3 { font-size: 20px; }
.side-cta p { color: var(--muted); font-size: 14px; }
.related { display: grid; gap: 24px; grid-template-columns: 1fr 1fr; }
@media (min-width: 1024px) { .related { grid-template-columns: repeat(4, 1fr); } }
.related a { color: inherit; display: flex; flex-direction: column; gap: 10px; }
.related .thumb { position: relative; aspect-ratio: 4 / 3; border-radius: 4px; overflow: hidden; background: var(--paper-2); }
.related img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.related a:hover img { transform: scale(1.04); }
.related strong { font-family: var(--display); font-weight: 600; font-size: 16px; color: var(--ink); }
.related small { color: var(--muted); }
.lightbox { position: fixed; inset: 0; background: rgba(11,31,63,.94); display: none; align-items: center; justify-content: center; z-index: 100; padding: 20px; }
.lightbox.show { display: flex; }
.lightbox img { max-width: 100%; max-height: 90vh; border-radius: 6px; }
.lightbox button { position: absolute; top: 16px; right: 16px; width: 44px; height: 44px; border-radius: 50%; border: 0; background: #fff; color: var(--ink); font-size: 22px; }

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; } html { scroll-behavior: auto; } }

/* ---------- dropdown (ประเภทงาน) ---------- */
select.dd-src { position: absolute !important; width: 1px; height: 1px; opacity: 0; pointer-events: none; margin: 0; padding: 0; border: 0; clip: rect(0 0 0 0); }
.dd { position: relative; width: 100%; }
.dd-btn { display: flex; align-items: center; gap: 10px; width: 100%; min-height: 48px; padding: 10px 0; border: 0; border-bottom: 1.5px solid var(--line); border-radius: 0; background: transparent; font: inherit; font-size: 16px; color: var(--text); text-align: left; cursor: pointer; transition: border-color .2s; }
.dd-btn:hover { border-bottom-color: var(--ink); }
.dd.open .dd-btn, .dd-btn:focus-visible { outline: none; border-bottom-color: var(--accent); }
.dd-val { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dd-chev { flex: none; width: 26px; height: 26px; border-radius: 8px; background: var(--paper-2); position: relative; transition: background .2s, transform .25s var(--ease); }
.dd-chev::after { content: ""; position: absolute; left: 9px; top: 7px; width: 7px; height: 7px; border-right: 1.8px solid var(--ink); border-bottom: 1.8px solid var(--ink); transform: rotate(45deg); }
.dd.open .dd-chev { background: var(--ink); transform: rotate(180deg); }
.dd.open .dd-chev::after { border-color: #fff; }
.dd-menu { position: absolute; left: 0; right: 0; top: calc(100% + 8px); z-index: 40; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 6px; box-shadow: 0 24px 60px -16px rgba(11,31,63,.35), 0 2px 8px rgba(11,31,63,.06); display: none; opacity: 0; transform: translateY(-6px) scale(.98); transform-origin: top; }
.dd.up .dd-menu { top: auto; bottom: calc(100% + 8px); transform-origin: bottom; transform: translateY(6px) scale(.98); }
.dd.open .dd-menu { display: block; animation: ddin .2s var(--ease) forwards; }
@keyframes ddin { to { opacity: 1; transform: none; } }
.dd-list { display: grid; gap: 2px; max-height: 300px; overflow: auto; }
.dd-opt { display: flex; align-items: center; gap: 10px; padding: 11px 12px; border-radius: 9px; cursor: pointer; font-size: 15px; color: var(--text); transition: background .12s; }
.dd-opt span:first-child { flex: 1; }
.dd-opt:hover, .dd-opt:focus { background: var(--paper-2); outline: none; }
.dd-opt.on { background: var(--paper-2); color: var(--ink); font-weight: 600; }
.dd-ck { flex: none; width: 18px; height: 18px; border-radius: 50%; border: 1.5px solid var(--line); position: relative; }
.dd-opt.on .dd-ck { background: var(--accent); border-color: var(--accent); }
.dd-opt.on .dd-ck::after { content: ""; position: absolute; left: 5px; top: 2px; width: 5px; height: 9px; border-right: 2px solid #fff; border-bottom: 2px solid #fff; transform: rotate(45deg); }
@media (max-width: 699px) {
  .dd.sheet-mode.open::before { content: ""; position: fixed; inset: 0; background: rgba(11,31,63,.38); z-index: 39; }
  .dd.sheet-mode.open .dd-menu { position: fixed; left: 10px; right: 10px; top: auto; bottom: 10px; border-radius: 16px; transform-origin: bottom; animation: ddup .24s var(--ease) forwards; }
  @keyframes ddup { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
}

/* ---------- category covers (หน้าแรก) ---------- */
.section-sub { margin: 6px 0 0; color: var(--muted); font-size: 15px; }
.cat-card .card-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11,31,63,0) 55%, rgba(11,31,63,.35)); pointer-events: none; }
.cat-card .count { z-index: 1; }
.cat-card h3 { font-size: 22px; }
.cat-card .meta span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
.client img { max-height: 44px; max-width: 80%; }

/* ---------- service pages (SEO) ---------- */
.lead { font-size: 18px; color: var(--text); max-width: 720px; margin: 14px 0 0; line-height: 1.65; }
.svc-hero { padding: 56px 0 36px; background: var(--paper); border-bottom: 1px solid var(--line); }
.svc-hero-inner { display: grid; gap: 28px; align-items: center; }
@media (min-width: 960px) { .svc-hero-inner { grid-template-columns: 1.15fr 1fr; gap: 48px; } .svc-hero { padding: 72px 0 56px; } }
.svc-hero h1 { font-size: 34px; line-height: 1.2; margin: 10px 0 0; }
@media (min-width: 960px) { .svc-hero h1 { font-size: 44px; } }
.svc-hero .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.svc-hero-img { aspect-ratio: 4 / 3; border-radius: 6px; overflow: hidden; background: var(--paper-2); }
.svc-hero-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.svc-body { display: grid; gap: 40px; }
@media (min-width: 960px) { .svc-body { grid-template-columns: 1fr 320px; gap: 64px; align-items: start; } .svc-side { position: sticky; top: 90px; } }
.svc-main h2 { font-size: 26px; margin: 44px 0 14px; }
.svc-main h2:first-of-type { margin-top: 28px; }
.svc-p { font-size: 16.5px; line-height: 1.75; margin: 0 0 14px; max-width: 70ch; }
.sp-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; max-width: 70ch; }
.sp-list li { position: relative; padding-left: 26px; line-height: 1.6; }
.sp-list li::before { content: ""; position: absolute; left: 0; top: 10px; width: 12px; height: 2px; background: var(--accent); }
.svc-grid { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
@media (min-width: 640px) { .svc-grid { grid-template-columns: 1fr 1fr; } }
.svc-grid li { padding: 14px 16px; background: var(--paper); border: 1px solid var(--line); border-radius: 6px; font-size: 15px; line-height: 1.5; position: relative; padding-left: 40px; }
.svc-grid li::before { content: "✓"; position: absolute; left: 14px; top: 13px; color: var(--accent); font-weight: 700; }
.svc-steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 4px; counter-reset: s; }
.svc-steps li { display: grid; grid-template-columns: 56px 1fr; gap: 14px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.svc-steps .step-no { font-family: var(--display); font-size: 26px; font-weight: 700; color: var(--accent); line-height: 1; }
.svc-steps h3 { font-size: 17px; margin: 0 0 4px; }
.svc-steps p { margin: 0; color: var(--text); line-height: 1.6; font-size: 15px; }
.faq { display: grid; gap: 8px; }
.faq-item { border: 1px solid var(--line); border-radius: 6px; background: #fff; padding: 0 18px; }
.faq-item summary { cursor: pointer; padding: 16px 28px 16px 0; font-weight: 600; color: var(--ink); list-style: none; position: relative; font-size: 16px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 0; top: 12px; font-size: 22px; color: var(--accent); transition: transform .2s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { margin: 0 0 16px; line-height: 1.7; color: var(--text); }
.svc-side { display: grid; gap: 16px; }
.svc-nav { display: grid; }
.svc-nav a { padding: 11px 16px; border-top: 1px solid var(--line); color: var(--ink); font-weight: 500; }
.svc-nav a:hover { background: var(--paper); color: var(--accent); }
.svc-link { display: block; padding: 14px 16px; background: var(--paper); border: 1px solid var(--line); border-radius: 6px; color: var(--ink); font-weight: 600; margin-top: 16px; }
.svc-link:hover { color: var(--accent); }
.svc-cards { display: grid; gap: 20px; }
@media (min-width: 800px) { .svc-cards { grid-template-columns: 1fr 1fr; gap: 28px; } }
.svc-card { display: grid; grid-template-columns: 140px 1fr; gap: 18px; background: #fff; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; color: inherit; transition: box-shadow .25s var(--ease), transform .25s var(--ease); }
.svc-card:hover { box-shadow: 0 20px 50px -24px rgba(11,31,63,.35); transform: translateY(-2px); }
.svc-card-img { background: var(--paper-2); }
.svc-card-img img { width: 100%; height: 100%; object-fit: cover; display: block; min-height: 160px; }
.svc-card-body { padding: 18px 20px 18px 0; }
.svc-card h2 { font-size: 19px; line-height: 1.3; margin: 4px 0 8px; }
.svc-card p { margin: 0 0 10px; color: var(--muted); font-size: 14px; line-height: 1.6; }
@media (max-width: 520px) { .svc-card { grid-template-columns: 1fr; } .svc-card-body { padding: 0 18px 18px; } .svc-card-img img { aspect-ratio: 16/9; min-height: 0; } }

.footer-links { flex-wrap: wrap; gap: 8px 20px; justify-content: center; }
@media (min-width: 1024px) { .footer-inner { align-items: center; } }