/* ARTAĞAN — kurumsal tanıtım sitesi (koyu petrol mavisi tema) */
:root {
  --bg: #1a3d54;
  --bg-2: #173649;
  --bg-deep: #112b3b;
  --grid: rgba(255, 255, 255, .035);
  --card: rgba(255, 255, 255, .055);
  --card-h: rgba(255, 255, 255, .085);
  --line: rgba(255, 255, 255, .12);
  --text: #eef5f8;
  --text-2: #c8d8e1;
  --muted: #97b1c0;
  --teal: #22a9ae;
  --teal-d: #1a8d91;
  --teal-t: #72d9dc;
  --teal-l: rgba(34, 169, 174, .18);
  --red: #e3202a;
  --radius: 18px;
  --shadow: 0 14px 34px rgba(0, 0, 0, .25);
  --max: 1180px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color-scheme: dark;
}
[dir="rtl"] { --font: "Cairo", "Inter", system-ui, sans-serif; }

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; background: var(--bg); }
body {
  margin: 0; font-family: var(--font); color: var(--text); line-height: 1.65; font-size: 16.5px; -webkit-font-smoothing: antialiased;
  background-color: var(--bg);
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 48px 48px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--teal-t); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; color: #fff; }
[dir="rtl"] h1, [dir="rtl"] h2, [dir="rtl"] h3 { letter-spacing: 0; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
strong { color: #fff; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
a.skip:focus { width: auto; height: auto; clip: auto; top: 10px; inset-inline-start: 10px; background: #fff; color: var(--bg); padding: 10px 14px; z-index: 100; }

/* Header */
.hdr { position: sticky; top: 0; z-index: 50; background: rgba(17, 43, 59, .9); backdrop-filter: saturate(160%) blur(10px); border-bottom: 1px solid var(--line); }
.hdr .wrap { display: flex; align-items: center; gap: 22px; height: 72px; }
.brand { display: flex; align-items: center; flex-shrink: 0; }
.brand img { height: 46px; width: auto; }
.nav { display: flex; gap: 4px; margin-inline-start: auto; }
.nav a { color: var(--text-2); font-weight: 500; font-size: .93rem; padding: 8px 10px; border-radius: 10px; white-space: nowrap; }
.nav a:hover { background: var(--card-h); color: #fff; text-decoration: none; }
.langs { display: flex; gap: 2px; border: 1px solid var(--line); border-radius: 10px; padding: 3px; }
.langs a { font-size: .8rem; font-weight: 600; color: var(--muted); padding: 4px 8px; border-radius: 7px; }
.langs a[aria-current="true"] { background: var(--teal); color: #fff; }
.langs a:hover { text-decoration: none; color: #fff; }
.menu-btn { display: none; margin-inline-start: auto; background: none; border: 1px solid var(--line); border-radius: 10px; width: 42px; height: 42px; cursor: pointer; }
.menu-btn span, .menu-btn span::before, .menu-btn span::after { display: block; width: 18px; height: 2px; background: #fff; margin: 0 auto; position: relative; content: ""; }
.menu-btn span::before { position: absolute; top: -6px; }
.menu-btn span::after { position: absolute; top: 6px; }

/* Buttons */
.btn { white-space: nowrap; display: inline-flex; align-items: center; gap: 8px; font-weight: 600; padding: 13px 22px; border-radius: 12px; border: 1px solid transparent; font-size: .98rem; transition: transform .15s, box-shadow .15s, background .15s; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--teal); color: #fff; box-shadow: 0 8px 22px rgba(34, 169, 174, .35); }
.btn-primary:hover { background: var(--teal-d); }
.btn-ghost { border-color: rgba(255,255,255,.35); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.08); }
.btn-sm { padding: 9px 16px; font-size: .9rem; }

/* Hero */
.hero { position: relative; overflow: hidden; background: radial-gradient(1100px 480px at 85% -10%, rgba(34,169,174,.35), transparent 60%), radial-gradient(700px 400px at 0% 110%, rgba(227,32,42,.14), transparent 60%); border-bottom: 1px solid var(--line); }
.hero .wrap { position: relative; z-index: 1; padding-top: 92px; padding-bottom: 84px; display: grid; grid-template-columns: 1.25fr .9fr; gap: 56px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: .85rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--teal-t); margin-bottom: 18px; }
[dir="rtl"] .eyebrow { text-transform: none; letter-spacing: 0; }
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 4px rgba(227,32,42,.25); }
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; margin-bottom: 20px; }
.hero h1 em { font-style: normal; color: var(--teal-t); }
.hero .lead { font-size: 1.15rem; color: var(--text-2); max-width: 620px; margin-bottom: 30px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-card { background: var(--card); border: 1px solid var(--line); border-radius: 22px; padding: 26px; backdrop-filter: blur(6px); }
.hero-card h2 { font-size: 1rem; color: var(--teal-t); font-weight: 600; margin-bottom: 14px; text-transform: uppercase; letter-spacing: .05em; }
[dir="rtl"] .hero-card h2 { text-transform: none; letter-spacing: 0; }
.facts { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.facts li { display: flex; gap: 14px; align-items: flex-start; padding: 12px 14px; border-radius: 14px; background: rgba(255,255,255,.05); }
.facts b { display: block; font-size: 1rem; color: #fff; }
.facts span { font-size: .88rem; color: var(--muted); }
.facts .ic { flex-shrink: 0; width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: var(--teal-l); color: var(--teal-t); }
.facts .ic svg { width: 20px; height: 20px; }

/* Sections */
section { padding: 92px 0; }
.alt { background-color: rgba(0, 0, 0, .12); border-top: 1px solid rgba(255,255,255,.05); border-bottom: 1px solid rgba(255,255,255,.05); }
.sec-head { max-width: 720px; margin-bottom: 44px; }
.sec-head.center { margin-inline: auto; text-align: center; }
.kicker { display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--teal-t); margin-bottom: 10px; }
[dir="rtl"] .kicker { letter-spacing: 0; text-transform: none; font-size: .9rem; }
.sec-head p { color: var(--text-2); font-size: 1.08rem; }

/* About */
.about { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: start; }
.about p { color: var(--text-2); }
.meaning { background: var(--bg-deep); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; position: relative; overflow: hidden; }
.meaning::before { content: "“"; position: absolute; top: -30px; inset-inline-end: 18px; font-size: 160px; color: rgba(34,169,174,.25); font-family: Georgia, serif; }
.meaning h3 { color: var(--teal-t); font-size: 1.05rem; }
.meaning .word { font-size: 2rem; font-weight: 800; margin: 4px 0 10px; color: #fff; }
.meaning p { color: var(--text-2); margin: 0; }
.values { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 26px; }
.value { border: 1px solid var(--line); border-radius: 14px; padding: 16px; background: var(--card); }
.value b { display: block; margin-bottom: 4px; color: #fff; }
.value span { font-size: .92rem; color: var(--muted); }

/* Cards */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; transition: box-shadow .2s, transform .2s, border-color .2s, background .2s; }
.card:hover { background: var(--card-h); box-shadow: var(--shadow); transform: translateY(-3px); border-color: rgba(114, 217, 220, .35); }
.card .ic { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; background: var(--teal-l); color: var(--teal-t); margin-bottom: 18px; }
.card .ic svg { width: 24px; height: 24px; }
.card p { color: var(--text-2); font-size: .97rem; margin: 0; }

/* Illustrated service cards */
.svc { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.svc .pic { aspect-ratio: 16 / 9; width: 100%; object-fit: cover; border-bottom: 1px solid var(--line); background: var(--bg-deep); }
.svc .body { padding: 22px 24px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.svc h3 { margin: 0; }
.ticks { list-style: none; margin: 4px 0 0; padding: 0; display: grid; gap: 7px; }
.ticks li { position: relative; padding-inline-start: 24px; color: var(--text-2); font-size: .92rem; line-height: 1.5; }
.ticks li::before { content: ""; position: absolute; inset-inline-start: 0; top: .3em; width: 14px; height: 14px; border-radius: 50%; background: var(--teal-l); box-shadow: inset 0 0 0 2px var(--teal); }
.ticks li::after { content: ""; position: absolute; inset-inline-start: 4px; top: calc(.3em + 4px); width: 6px; height: 3px; border-left: 2px solid var(--teal-t); border-bottom: 2px solid var(--teal-t); transform: rotate(-45deg); }

/* Transport modes */
.modes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.mode { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.mode img { aspect-ratio: 16 / 9; width: 100%; object-fit: cover; }
.mode .body { padding: 18px 20px 22px; }
.mode h3 { font-size: 1.08rem; margin-bottom: 8px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.tag { font-size: .76rem; font-weight: 600; padding: 4px 9px; border-radius: 999px; background: rgba(255,255,255,.07); border: 1px solid var(--line); color: var(--teal-t); }

/* QC stages */
.stages { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; counter-reset: st; position: relative; }
.stage { position: relative; padding: 0 12px; text-align: center; }
.stage::before { counter-increment: st; content: counter(st); display: grid; place-items: center; width: 44px; height: 44px; margin: 0 auto 14px; border-radius: 50%; background: var(--bg-deep); border: 2px solid var(--teal); color: #fff; font-weight: 800; position: relative; z-index: 1; }
.stage::after { content: ""; position: absolute; top: 22px; inset-inline-start: 50%; width: 100%; height: 2px; background: linear-gradient(90deg, var(--teal), rgba(34,169,174,.2)); }
.stage:last-child::after { display: none; }
.stage b { display: block; color: #fff; margin-bottom: 6px; }
.stage span { font-size: .9rem; color: var(--text-2); }
.qc-wrap { display: grid; grid-template-columns: 1fr 1.6fr; gap: 40px; align-items: center; margin-bottom: 44px; }
.qc-wrap img { border-radius: var(--radius); border: 1px solid var(--line); }

/* Why / risk table */
.risks { display: grid; gap: 12px; }
.risk { display: grid; grid-template-columns: 1fr 1.4fr; gap: 0; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.risk > div { padding: 16px 18px; }
.risk .r { background: rgba(227,32,42,.1); color: #ffd0d3; font-weight: 600; display: flex; gap: 10px; align-items: flex-start; }
.risk .r::before { content: "!"; flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%; background: var(--red); color: #fff; display: grid; place-items: center; font-size: .8rem; font-weight: 800; }
.risk .s { background: var(--card); color: var(--text-2); }
.risk .s b { color: #fff; }
.promise { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }

/* Türkiye advantages */
.adv { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.adv .card h3 { font-size: 1.05rem; }
.clusters { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.clusters .chip b { color: #fff; font-weight: 700; }

/* Deliverable in process steps */
.steps .out { display: block; margin-top: 10px; font-size: .82rem; color: var(--teal-t); font-weight: 600; }
.steps.steps-8 { grid-template-columns: repeat(4, 1fr); }

/* Sectors + regions */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { background: var(--card); border: 1px solid var(--line); border-radius: 999px; padding: 10px 18px; font-weight: 500; font-size: .95rem; color: var(--text-2); }
.chip.more { border-style: dashed; color: var(--teal-t); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.lead-p { color: var(--text-2); }
.regions { display: grid; gap: 12px; }
.region { display: flex; gap: 16px; align-items: flex-start; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; }
.region .dot { flex-shrink: 0; width: 12px; height: 12px; border-radius: 50%; background: var(--teal); margin-top: 7px; box-shadow: 0 0 0 5px var(--teal-l); }
.region b { display: block; color: #fff; }
.region span { color: var(--muted); font-size: .93rem; }
.note { font-size: .88rem; color: var(--muted); margin-top: 14px; }

/* Process */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; list-style: none; padding: 0; margin: 0; }
.steps li { position: relative; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px 24px; }
.steps li::before { counter-increment: step; content: counter(step, decimal-leading-zero); display: inline-block; font-weight: 800; font-size: .95rem; color: #fff; background: rgba(255,255,255,.12); border-radius: 10px; padding: 5px 10px; margin-bottom: 14px; }
.steps li:nth-child(1)::before { background: var(--teal); }
.steps p { color: var(--text-2); font-size: .95rem; margin: 0; }

/* Brands */
.brand-box { display: grid; grid-template-columns: 220px 1fr; gap: 36px; align-items: center; background: var(--card); border: 1px solid var(--line); border-radius: 22px; padding: 30px; }
.brand-box img { border-radius: 14px; }
.brand-box p { color: var(--text-2); margin: 0; }

.model-quote { margin-top: 36px; display: grid; grid-template-columns: auto 1fr; gap: 22px; align-items: center; background: linear-gradient(135deg, rgba(34,169,174,.18), rgba(34,169,174,.05)); border: 1px solid rgba(114,217,220,.35); border-radius: 20px; padding: 26px 28px; }
.model-quote .q { font-size: 3.4rem; line-height: 1; color: var(--teal-t); font-family: Georgia, serif; }
.model-quote p { margin: 0 0 6px; color: #fff; font-size: 1.08rem; }
.model-quote small { color: var(--muted); font-size: .9rem; }
.model-eq { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin: 0 0 40px; }
.model-eq span { background: var(--card); border: 1px solid var(--line); border-radius: 999px; padding: 10px 18px; font-weight: 700; color: #fff; }
.model-eq span.op { background: none; border: 0; color: var(--teal-t); padding: 10px 2px; }
@media (max-width: 640px) { .model-quote { grid-template-columns: 1fr; } }
.rec-top { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: center; margin-bottom: 30px; }
.rec-badge { display: inline-flex; gap: 8px; align-items: center; background: rgba(34,169,174,.16); border: 1px solid rgba(114,217,220,.4); color: #fff; font-weight: 700; border-radius: 999px; padding: 9px 16px; }
.rec-badge::before { content: "✓"; display: grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; background: var(--teal); font-size: .75rem; }
.flags { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.flag { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 8px 14px; font-weight: 600; color: #fff; }
.gtip-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.gtip-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.gtip-card.hl { border-color: rgba(227,32,42,.55); background: linear-gradient(160deg, rgba(227,32,42,.12), var(--card)); }
.gtip-card h3 { font-size: 1.05rem; margin-bottom: 12px; }
.gtip-card ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.gtip-card li { display: flex; justify-content: space-between; gap: 12px; font-size: .92rem; color: var(--text-2); border-bottom: 1px dashed var(--line); padding-bottom: 7px; }
.gtip-card li:last-child { border-bottom: 0; padding-bottom: 0; }
.gtip-card code { flex-shrink: 0; font-family: ui-monospace, Consolas, monospace; font-size: .8rem; color: var(--teal-t); direction: ltr; }
@media (max-width: 1020px) { .gtip-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .gtip-grid { grid-template-columns: 1fr; } }
.refs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 20px; }
.ref { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 20px; }
.ref .big { display: block; font-size: 1.7rem; font-weight: 800; color: var(--teal-t); line-height: 1.1; margin-bottom: 6px; }
.ref b { display: block; color: #fff; margin-bottom: 4px; }
.ref span { color: var(--text-2); font-size: .92rem; }
.ref a { display: inline-block; margin-top: 8px; font-weight: 600; font-size: .9rem; }
@media (max-width: 1020px) { .refs { grid-template-columns: 1fr; } }

/* Legal */
.legal { display: grid; grid-template-columns: 1.15fr 1fr; gap: 28px; align-items: start; }
.table { width: 100%; border-collapse: separate; border-spacing: 0; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; font-size: .95rem; }
.table th, .table td { text-align: start; padding: 13px 18px; border-bottom: 1px solid var(--line); vertical-align: top; }
.table tr:last-child th, .table tr:last-child td { border-bottom: 0; }
.table th { width: 38%; color: var(--muted); font-weight: 500; background: rgba(0,0,0,.12); }
.table td { font-weight: 500; color: var(--text); }
.docs { display: grid; gap: 12px; }
.doc { display: flex; gap: 14px; align-items: center; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; }
.doc .ic { flex-shrink: 0; width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center; background: rgba(227,32,42,.16); color: #ff7a80; }
.doc .ic svg { width: 22px; height: 22px; }
.doc div { flex: 1; min-width: 0; }
.doc b { display: block; font-size: .98rem; color: #fff; }
.doc span { font-size: .86rem; color: var(--muted); }
.doc a.dl { flex-shrink: 0; font-weight: 600; font-size: .9rem; }
.badge { display: inline-block; font-size: .75rem; font-weight: 600; padding: 3px 9px; border-radius: 999px; background: var(--teal-l); color: var(--teal-t); }

/* FAQ */
.faq { max-width: 860px; margin: 0 auto; display: grid; gap: 12px; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 0 22px; }
.faq summary { cursor: pointer; list-style: none; font-weight: 600; padding: 18px 0; display: flex; justify-content: space-between; gap: 16px; color: #fff; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.4rem; line-height: 1; color: var(--teal-t); }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--text-2); margin: 0 0 18px; }

/* Contact */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.c-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.c-card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 20px; }
.c-card .ic { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: var(--teal-l); color: var(--teal-t); margin-bottom: 12px; }
.c-card .ic svg { width: 20px; height: 20px; }
.c-card small { display: block; color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 2px; }
[dir="rtl"] .c-card small { text-transform: none; letter-spacing: 0; }
.c-card a, .c-card p { font-weight: 600; color: #fff; margin: 0; word-break: break-word; }
.c-card.wide { grid-column: 1 / -1; }
.c-card a.map { font-size: .9rem; font-weight: 500; color: var(--teal-t); }
.cta-box { background: linear-gradient(135deg, var(--teal-d), var(--teal)); color: #fff; border-radius: 22px; padding: 34px; display: flex; flex-direction: column; justify-content: center; box-shadow: var(--shadow); }
.cta-box h3 { font-size: 1.6rem; }
.cta-box p { color: #e3f7f7; }
.cta-box .btn-light { background: #fff; color: var(--teal-d); }
.cta-box .btn-ghost { border-color: rgba(255,255,255,.55); }
.cta-box .cta-row { margin-top: 8px; }
.ltr { direction: ltr; unicode-bidi: embed; display: inline-block; }

/* Footer */
footer { background: var(--bg-deep); color: var(--muted); padding: 56px 0 96px; font-size: .92rem; border-top: 1px solid var(--line); }
.f-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 36px; margin-bottom: 36px; }
.f-logo { width: 160px; height: auto; margin-bottom: 16px; }
footer h4 { color: #fff; font-size: .95rem; margin: 0 0 12px; }
footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
footer a { color: var(--text-2); }
.f-bottom { border-top: 1px solid var(--line); padding-top: 22px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: .85rem; }

/* WhatsApp float */
.wa { position: fixed; bottom: 22px; inset-inline-end: 22px; z-index: 60; width: 56px; height: 56px; border-radius: 50%; background: #25d366; color: #fff; display: grid; place-items: center; box-shadow: 0 10px 24px rgba(0,0,0,.35); }
.wa svg { width: 28px; height: 28px; }

/* Legal page */
.page { padding: 64px 0 80px; }
.page .wrap { max-width: 860px; }
.page h1 { font-size: clamp(1.8rem, 4vw, 2.5rem); }
.page h2 { font-size: 1.3rem; margin-top: 2em; }
.page p, .page li { color: var(--text-2); }

/* Knowledge hub (Bilgi Merkezi) */
.kb-hero { padding: 56px 0 34px; border-bottom: 1px solid var(--line); background: radial-gradient(900px 360px at 85% -20%, rgba(34,169,174,.3), transparent 60%); }
.kb-hero h1 { font-size: clamp(1.9rem, 4vw, 2.8rem); margin-bottom: 12px; }
.kb-hero p { color: var(--text-2); max-width: 760px; font-size: 1.08rem; margin: 0; }
.crumbs { font-size: .86rem; color: var(--muted); margin-bottom: 14px; }
.crumbs a { color: var(--teal-t); }
.kb-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.kb-card { display: block; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; color: var(--text); transition: transform .2s, border-color .2s, background .2s; }
.kb-card:hover { text-decoration: none; transform: translateY(-3px); border-color: rgba(114,217,220,.4); background: var(--card-h); }
.kb-card h2 { font-size: 1.12rem; margin-bottom: 8px; }
.kb-card p { color: var(--text-2); font-size: .94rem; margin: 0; }
.kb-card .more { display: inline-block; margin-top: 10px; color: var(--teal-t); font-weight: 600; font-size: .9rem; }
.kb-layout { display: grid; grid-template-columns: 250px 1fr; gap: 40px; align-items: start; padding: 40px 0 70px; }
.kb-toc { position: sticky; top: 92px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; font-size: .9rem; max-height: calc(100vh - 120px); overflow: auto; }
.kb-toc b { display: block; color: #fff; margin-bottom: 8px; }
.kb-toc ol { margin: 0; padding-inline-start: 18px; display: grid; gap: 6px; }
.kb-toc a { color: var(--text-2); }
.kb-toc .others { margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--line); }
.prose { min-width: 0; overflow-wrap: anywhere; }
.prose table { overflow-wrap: normal; }
.prose h2 { font-size: 1.55rem; margin: 1.6em 0 .6em; padding-top: .4em; border-top: 1px solid var(--line); }
.prose h2:first-child { margin-top: 0; border-top: 0; padding-top: 0; }
.prose h3 { font-size: 1.15rem; margin: 1.4em 0 .5em; color: var(--teal-t); }
.prose p, .prose li { color: var(--text-2); }
.prose ul, .prose ol { padding-inline-start: 22px; }
.prose li { margin-bottom: 6px; }
.prose strong { color: #fff; }
.prose code { font-family: ui-monospace, Consolas, monospace; font-size: .88em; background: rgba(255,255,255,.08); padding: 1px 6px; border-radius: 6px; color: var(--teal-t); }
.tbl-wrap { overflow-x: auto; margin: 14px 0 22px; border: 1px solid var(--line); border-radius: 14px; }
.prose table { width: 100%; border-collapse: collapse; font-size: .9rem; min-width: 560px; }
.prose th, .prose td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: start; vertical-align: top; }
.prose th { background: rgba(0,0,0,.18); color: #fff; font-weight: 600; white-space: nowrap; }
.prose tr:last-child td { border-bottom: 0; }
.prose td { color: var(--text-2); }
.kb-cta { margin-top: 40px; background: linear-gradient(135deg, var(--teal-d), var(--teal)); border-radius: 20px; padding: 26px 28px; color: #fff; }
.kb-cta h2 { border: 0 !important; margin: 0 0 8px !important; padding: 0 !important; font-size: 1.35rem !important; }
.kb-cta p { color: #e3f7f7 !important; }
.kb-cta .cta-row { margin-top: 12px; }
.kb-meta { font-size: .85rem; color: var(--muted); margin-top: 26px; }
.kb-layout > * { min-width: 0; }
@media (max-width: 1020px) { .kb-layout { grid-template-columns: minmax(0, 1fr); } .kb-toc { position: static; max-height: none; } .kb-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .kb-grid { grid-template-columns: 1fr; } }

/* Reveal */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* Responsive */
@media (max-width: 1240px) {
  .nav { display: none; position: absolute; top: 72px; left: 0; right: 0; background: var(--bg-deep); flex-direction: column; padding: 12px 20px 20px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .nav.open { display: flex; }
  .nav a { padding: 12px; }
  .menu-btn { display: block; }
  .langs { margin-inline-start: auto; }
  .menu-btn { margin-inline-start: 0; }
}
@media (max-width: 1020px) {
  .hero .wrap, .about, .two-col, .legal, .contact { grid-template-columns: 1fr; }
  .grid-3, .steps, .steps.steps-8, .modes, .adv, .promise { grid-template-columns: 1fr 1fr; }
  .qc-wrap { grid-template-columns: 1fr; }
  .stages { grid-template-columns: 1fr; gap: 18px; }
  .stage { text-align: start; display: grid; grid-template-columns: 44px 1fr; column-gap: 14px; padding: 0; }
  .stage::before { margin: 0; grid-row: span 2; }
  .stage::after { top: 44px; inset-inline-start: 21px; width: 2px; height: calc(100% - 26px); background: rgba(34,169,174,.4); }
  .nav { display: none; position: absolute; top: 72px; left: 0; right: 0; background: var(--bg-deep); flex-direction: column; padding: 12px 20px 20px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .nav.open { display: flex; }
  .nav a { padding: 12px; }
  .menu-btn { display: block; }
  .hdr .btn { display: none; }
  .f-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  section { padding: 64px 0; }
  .wrap { padding: 0 16px; }
  .hero .wrap { padding-top: 60px; padding-bottom: 60px; gap: 32px; }
  .grid-3, .steps, .steps.steps-8, .values, .c-cards, .modes, .adv, .promise { grid-template-columns: 1fr; }
  .risk { grid-template-columns: 1fr; }
  .brand-box { grid-template-columns: 1fr; text-align: center; }
  .brand-box img { width: 180px; margin: 0 auto; }
  .brand img { height: 36px; }
  .table th, .table td { display: block; width: 100%; }
  .table th { border-bottom: 0; padding-bottom: 2px; background: none; }
  .table td { padding-top: 0; }
  .f-grid { grid-template-columns: 1fr; }
  .doc { flex-wrap: wrap; }
}