/* ============================================================================
   Shark Digital — shared subpage system (articles, landing pages, case detail)
   Tokens copied verbatim from the recolored v2 design so new pages match exactly.
   Each page may override --header-dark/--header-light for its category color.
   ============================================================================ */
:root {
  --font-display: "Bricolage Grotesque", -apple-system, "Helvetica Neue", sans-serif;
  --c1-dark:#2563eb; --c1-light:#bcd3ff;
  --c2-dark:#e67e22; --c2-light:#fbd9b8;
  --c3-dark:#1fa65a; --c3-light:#bfe7cf;
  --c4-dark:#0ca5c4; --c4-light:#b3e5ee;
  --c5-dark:#7c3aed; --c5-light:#ddccfb;
  --c6-dark:#d69e2e; --c6-light:#f6e6b4;
  --header-dark:#2563eb; --header-light:#bcd3ff;   /* default; pages override */
  --nav-h:64px;
  --t:280ms cubic-bezier(.2,.7,.2,1);
}
[data-theme="light"] {
  --paper:#f6f9fd; --ink:#141414; --text:#141414; --muted:#5C5C5C;
  --card:#FFFFFF; --rule:#cdd6e6; --sidebar-bg:#FFFFFF; --nav-hover:#eef3fb;
  --brand-mark:var(--c1-dark);
}
[data-theme="dark"] {
  --paper:#161A24; --ink:#EEF0F5; --text:#EEF0F5; --muted:#B0B4C2;
  --card:#1F2330; --rule:#3D4253; --sidebar-bg:#10131C; --nav-hover:#2A2F3D;
  --brand-mark:var(--c1-light);
}
* { box-sizing:border-box; margin:0; padding:0; }
html, body { height:100%; }
body { font-family:-apple-system,"Helvetica Neue",sans-serif; background:var(--paper); color:var(--text); -webkit-font-smoothing:antialiased; }
main { margin-top:var(--nav-h); min-height:calc(100vh - var(--nav-h)); }
a { color:inherit; }

/* ── Page header (colored hero) — single column, content grouped & centered ── */
.page-header { position:relative; width:100%; min-height:300px; background:var(--header-dark); color:#f4f7fc; padding:clamp(48px,6vw,80px) clamp(40px,5vw,88px) clamp(56px,7vw,88px); display:block; overflow:hidden; animation:header-in 350ms ease both; }
.page-header-left { display:flex; flex-direction:column; justify-content:center; gap:14px; min-width:0; max-width:760px; }
.page-header-left .top { margin-bottom:2px; }
.page-header-right { display:none; }
@keyframes header-in { from{opacity:0;} to{opacity:1;} }
.page-header .top { display:flex; align-items:center; justify-content:space-between; }
.page-header .num { font-size:12px; letter-spacing:0.22em; text-transform:uppercase; color:rgba(245,240,230,0.7); }
.page-header .kicker { display:inline-block; background:rgba(255,255,255,0.18); border:1px solid rgba(255,255,255,0.4); padding:8px 18px; border-radius:999px; font-family:var(--font-display); font-size:15px; font-weight:700; letter-spacing:0.1em; text-transform:uppercase; margin-bottom:22px; color:#fff; }
.page-header h1 { font-family:var(--font-display); font-size:clamp(34px,4.4vw,58px); font-weight:500; letter-spacing:-0.025em; line-height:1.06; margin-bottom:16px; color:#f4f7fc; max-width:18ch; }
.page-header h1 em { font-style:normal; color:var(--header-light); }
.page-header p { font-size:16px; color:#f4f7fc; line-height:1.55; max-width:48ch; opacity:.92; }
.page-header .hmeta { margin-top:26px; display:flex; gap:20px; font-size:13px; color:rgba(245,240,230,0.85); font-weight:600; letter-spacing:.02em; }

/* ── Article body / prose ── */
.article { max-width:760px; margin:0 auto; padding:clamp(64px,8vh,104px) clamp(28px,5vw,40px) 40px; animation:content-in 500ms ease 150ms both; }
@keyframes content-in { from{opacity:0; transform:translateY(20px);} to{opacity:1; transform:none;} }
.prose > * + * { margin-top:22px; }
.prose p { font-size:17.5px; line-height:1.72; color:var(--text); }
.prose h2 { font-family:var(--font-display); font-size:clamp(24px,2.6vw,30px); font-weight:600; letter-spacing:-0.02em; line-height:1.2; margin-top:52px; color:var(--ink); }
.prose h3 { font-family:var(--font-display); font-size:20px; font-weight:600; letter-spacing:-0.015em; margin-top:36px; color:var(--ink); }
.prose ul, .prose ol { padding-left:22px; }
.prose li { font-size:17px; line-height:1.66; color:var(--text); margin-top:9px; }
.prose li::marker { color:var(--header-dark); font-weight:700; }
.prose strong { font-weight:700; color:var(--ink); }
.prose a { color:var(--header-dark); text-decoration:underline; text-underline-offset:3px; text-decoration-thickness:1.5px; }
.prose blockquote { border-left:3px solid var(--header-dark); padding:6px 0 6px 26px; margin:36px 0; font-family:var(--font-display); font-size:22px; font-weight:500; line-height:1.4; letter-spacing:-0.01em; color:var(--ink); }
.prose .lead { font-size:20px; line-height:1.6; color:var(--text); }
.prose hr { border:0; border-top:1px solid var(--rule); margin:44px 0; }

/* ── Generic vibrant section band ── */
.band { padding:clamp(56px,7vw,96px) clamp(32px,5vw,80px); }
.band-wrap { max-width:1200px; margin:0 auto; }
.eyebrow { font-family:var(--font-display); font-size:12px; font-weight:700; letter-spacing:0.14em; text-transform:uppercase; color:var(--header-dark); margin-bottom:14px; }
.band h2 { font-family:var(--font-display); font-size:clamp(28px,3.4vw,44px); font-weight:600; letter-spacing:-0.025em; line-height:1.08; color:var(--ink); max-width:20ch; }
.band h2 em { font-style:normal; color:var(--header-dark); }
.band .sub { font-size:16px; color:var(--muted); line-height:1.6; max-width:56ch; margin-top:16px; }

/* feature grid */
.feat-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; margin-top:48px; }
@media (max-width:900px){ .feat-grid { grid-template-columns:1fr; } }
.feat { padding:28px; background:var(--card); border:1px solid var(--rule); border-radius:10px; transition:border-color .22s ease, transform .22s ease; }
.feat:hover { border-color:var(--header-dark); transform:translateY(-3px); }
.feat .ic { width:42px; height:42px; border-radius:10px; background:var(--header-dark); color:#fff; display:grid; place-items:center; margin-bottom:16px; }
.feat .ic svg { width:22px; height:22px; stroke:#fff; fill:none; stroke-width:2; }
.feat h3 { font-family:var(--font-display); font-size:19px; font-weight:600; letter-spacing:-0.015em; color:var(--ink); margin-bottom:8px; }
.feat p { font-size:14.5px; color:var(--muted); line-height:1.6; }

/* checklist */
.checks { list-style:none; padding:0; margin-top:36px; display:grid; grid-template-columns:1fr 1fr; gap:14px 40px; }
@media (max-width:760px){ .checks { grid-template-columns:1fr; } }
.checks li { position:relative; padding-left:34px; font-size:16px; line-height:1.5; color:var(--text); }
.checks li::before { content:""; position:absolute; left:0; top:1px; width:22px; height:22px; border-radius:6px; background:var(--header-light); }
.checks li::after { content:"✓"; position:absolute; left:6px; top:0; color:var(--header-dark); font-weight:800; font-size:14px; }

/* ── CTA band — Stripe-style animated diagonal gradient (Style B) ── */
.cta-band { position:relative; background:url("img/ocean-cta.jpg") center/cover no-repeat #2563eb; color:#fff; text-align:center; padding:clamp(56px,7vw,92px) clamp(28px,5vw,40px); overflow:hidden; isolation:isolate; }
.cta-band::before { content:""; position:absolute; inset:0; background:linear-gradient(115deg, rgba(29,78,216,0.92) 0%, rgba(8,145,178,0.78) 38%, rgba(109,40,217,0.82) 72%, rgba(219,39,119,0.78) 100%); background-size:220% 220%; animation:ctaFlow 16s ease infinite; z-index:-1; }
@keyframes ctaFlow { 0%{background-position:0% 50%} 50%{background-position:100% 50%} 100%{background-position:0% 50%} }
@media (prefers-reduced-motion: reduce){ .cta-band::before { animation:none; } }
.cta-band .btn-light { color:#2563eb; }
.cta-band h2 { font-family:var(--font-display); font-size:clamp(28px,3.4vw,42px); font-weight:600; letter-spacing:-0.025em; color:#fff; max-width:20ch; margin:0 auto 14px; }
.cta-band p { font-size:16px; opacity:.92; max-width:52ch; margin:0 auto 28px; line-height:1.55; }
.btn { display:inline-flex; align-items:center; gap:9px; font-family:var(--font-display); font-size:14px; font-weight:600; letter-spacing:0.04em; text-decoration:none; padding:15px 28px; border-radius:999px; transition:gap .22s ease, transform .22s ease, background .2s ease; }
.btn-light { background:#fff; color:var(--header-dark); }
.btn-light:hover { gap:15px; transform:translateY(-2px); }
.btn-solid { background:var(--header-dark); color:#fff; }
.btn-solid:hover { gap:15px; transform:translateY(-2px); }

/* ── Related posts ── */
.related { max-width:1100px; margin:0 auto; padding:24px clamp(28px,5vw,40px) clamp(64px,8vh,104px); border-top:1px solid var(--rule); }
.related .rl { font-family:var(--font-display); font-size:13px; font-weight:700; letter-spacing:0.12em; text-transform:uppercase; color:var(--muted); margin-bottom:24px; }
.rel-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:20px; }
@media (max-width:640px){ .rel-grid { grid-template-columns:1fr; } }
.rel-card { display:block; padding:24px; background:var(--card); border:1px solid var(--rule); border-radius:8px; text-decoration:none; transition:border-color .22s ease, transform .22s ease; }
.rel-card:hover { border-color:var(--header-dark); transform:translateY(-3px); }
.rel-card .t { font-size:11px; letter-spacing:0.14em; text-transform:uppercase; color:var(--header-dark); font-weight:700; }
.rel-card h4 { font-family:var(--font-display); font-size:18px; font-weight:600; letter-spacing:-0.015em; color:var(--ink); margin-top:10px; line-height:1.2; }

/* ── Case detail sections ── */
.case-sec { max-width:1000px; margin:0 auto; padding:clamp(56px,7vw,88px) clamp(28px,5vw,40px); border-bottom:1px solid var(--rule); scroll-margin-top:80px; }
.case-sec .ctag { display:inline-block; font-family:var(--font-display); font-size:11px; font-weight:700; letter-spacing:0.14em; text-transform:uppercase; color:#fff; background:var(--sec-color,var(--c1-dark)); padding:5px 12px; border-radius:999px; margin-bottom:18px; }
.case-sec h2 { font-family:var(--font-display); font-size:clamp(26px,3vw,38px); font-weight:600; letter-spacing:-0.025em; color:var(--ink); line-height:1.08; }
.case-sec .csub { font-size:15px; color:var(--muted); margin-top:6px; font-weight:600; }
.case-sec .cbody { display:grid; grid-template-columns:1.3fr 1fr; gap:44px; margin-top:28px; }
@media (max-width:820px){ .case-sec .cbody { grid-template-columns:1fr; gap:24px; } }
.case-sec .cbody p { font-size:16.5px; line-height:1.66; color:var(--text); }
.case-sec .cbody p + p { margin-top:16px; }
.case-sec .cfacts { border-left:2px solid var(--sec-color,var(--c1-dark)); padding-left:22px; }
.case-sec .cfacts dt { font-size:11px; letter-spacing:0.12em; text-transform:uppercase; color:var(--muted); font-weight:700; margin-top:16px; }
.case-sec .cfacts dt:first-child { margin-top:0; }
.case-sec .cfacts dd { font-size:15px; color:var(--text); line-height:1.5; margin-top:3px; }

.transition-overlay { position:fixed; inset:0; background:var(--header-dark); z-index:999; transform:translateY(0); pointer-events:none; will-change:transform; }
.transition-overlay.is-exiting { transform:translateY(-100%); transition:transform 460ms cubic-bezier(0.7,0,0.2,1); }

/* ── Catalog service pages (generated) ── */
.statement { font-family:var(--font-display); font-weight:600; font-size:clamp(22px,2.4vw,30px); letter-spacing:-0.02em; line-height:1.3; color:var(--ink); display:block; }
.rel-grid-3 { grid-template-columns:repeat(3,1fr); }
@media (max-width:900px){ .rel-grid-3 { grid-template-columns:1fr 1fr; } }
@media (max-width:640px){ .rel-grid-3 { grid-template-columns:1fr; } }
.rel-card .rel-sub { font-size:13.5px; color:var(--muted); line-height:1.55; margin-top:8px; }
.faq-list { display:flex; flex-direction:column; border-top:1px solid var(--rule); margin-top:28px; }
.faq-item { border-bottom:1px solid var(--rule); }
.faq-item summary { list-style:none; cursor:pointer; padding:22px 8px; display:flex; align-items:center; justify-content:space-between; gap:24px; font-family:var(--font-display); font-size:17px; font-weight:600; letter-spacing:-0.015em; color:var(--text); transition:color 200ms ease; }
.faq-item summary::-webkit-details-marker { display:none; }
.faq-item summary:hover { color:var(--header-dark); }
.faq-item summary .toggle { flex-shrink:0; width:28px; height:28px; display:grid; place-items:center; border-radius:50%; border:1.5px solid var(--rule); color:var(--text); transition:transform 320ms cubic-bezier(.2,.7,.2,1), background 220ms ease, border-color 220ms ease; }
.faq-item[open] summary .toggle { transform:rotate(45deg); background:var(--header-dark); color:#f4f7fc; border-color:var(--header-dark); }
.faq-item .answer { padding:0 8px 22px; font-size:15px; color:var(--muted); line-height:1.65; max-width:66ch; }

/* ── Proof browser frame (real client build imagery on catalog pages) ── */
.proof-wrap { display:grid; grid-template-columns:1.1fr 1fr; gap:clamp(28px,4vw,56px); align-items:center; }
@media (max-width:880px){ .proof-wrap { grid-template-columns:1fr; gap:22px; } }
.proof-browser { border:1px solid var(--rule); border-radius:12px; overflow:hidden; background:var(--card); box-shadow:0 1px 1px rgba(6,27,49,.04), 0 26px 60px -30px rgba(6,27,49,.4); transition:transform .3s cubic-bezier(.2,.7,.2,1), box-shadow .3s ease; }
.proof-browser:hover { transform:translateY(-5px); box-shadow:0 1px 1px rgba(6,27,49,.04), 0 36px 74px -30px rgba(6,27,49,.5); }
.proof-bbar { display:flex; align-items:center; gap:8px; height:38px; padding:0 14px; background:var(--paper); border-bottom:1px solid var(--rule); position:relative; }
.proof-bbar::after { content:""; position:absolute; left:0; right:0; bottom:-1px; height:2px; background:var(--header-dark); }
.proof-bbar > span { width:10px; height:10px; border-radius:50%; background:#d3dce8; flex:none; }
.proof-bbar em { margin-left:8px; font-style:normal; font-size:12.5px; color:var(--muted); }
.proof-browser img { display:block; width:100%; height:clamp(220px,28vw,340px); object-fit:cover; object-position:top center; }
.proof-cap { display:block; margin-top:14px; font-size:13px; color:var(--muted); }
.proof-cap b { color:var(--header-dark); font-weight:700; }
.proof-side h2 { font-family:var(--font-display); font-size:clamp(24px,2.6vw,34px); font-weight:600; letter-spacing:-0.02em; line-height:1.12; color:var(--ink); margin-bottom:14px; }
.proof-side h2 em { font-style:normal; color:var(--header-dark); }
.proof-side p { font-size:15.5px; color:var(--muted); line-height:1.65; max-width:52ch; }
.proof-side .case-link { display:inline-flex; align-items:center; gap:8px; margin-top:18px; font-family:var(--font-display); font-size:13px; font-weight:700; color:var(--header-dark); text-decoration:none; padding-bottom:2px; border-bottom:1.5px solid var(--header-dark); transition:gap .22s ease; }
.proof-side .case-link:hover { gap:13px; }

/* ── Service icons (line-md, animated) ── */
.page-header .ph-icon { display:grid; place-items:center; width:52px; height:52px; border-radius:13px; background:rgba(255,255,255,0.16); border:1px solid rgba(255,255,255,0.38); -webkit-backdrop-filter:blur(8px); backdrop-filter:blur(8px); color:#fff; margin-bottom:18px; }
.page-header .ph-icon svg { width:28px; height:28px; }
.rel-card .rel-ic { display:grid; place-items:center; width:38px; height:38px; border-radius:9px; background:var(--header-light); color:var(--header-dark); margin-bottom:10px; }
.rel-card .rel-ic svg { width:20px; height:20px; }

/* ── Animated brand illustrations (hero-style mock panels) ── */
.illus { --il:var(--header-dark); --il-l:var(--header-light); position:relative; border:1px solid var(--rule); border-radius:14px; overflow:hidden; background:
  linear-gradient(180deg, color-mix(in srgb, var(--il) 4%, var(--card)), var(--card) 60%),
  var(--card); box-shadow:0 1px 1px rgba(6,27,49,.04), 0 26px 60px -30px rgba(6,27,49,.35); }
.il-grid { position:absolute; inset:0; background:
  repeating-linear-gradient(0deg, transparent, transparent 23px, color-mix(in srgb, var(--il) 7%, transparent) 24px),
  repeating-linear-gradient(90deg, transparent, transparent 23px, color-mix(in srgb, var(--il) 7%, transparent) 24px); pointer-events:none; }
.il-head { display:flex; align-items:center; gap:8px; padding:12px 16px; font-family:var(--font-display); font-size:10.5px; font-weight:700; letter-spacing:.16em; text-transform:uppercase; color:var(--muted); position:relative; }
.il-head .il-live { width:7px; height:7px; border-radius:50%; background:var(--il); animation:ilPulse 2s ease infinite; }
.il-body { position:relative; padding:10px 18px 22px; min-height:230px; display:flex; flex-direction:column; gap:10px; justify-content:center; }
.il-card { background:var(--card); border:1px solid var(--rule); border-radius:10px; padding:12px 14px; box-shadow:0 10px 24px -18px rgba(6,27,49,.35); animation:ilRise .7s cubic-bezier(.2,.7,.2,1) both; }
.il-card.d1 { animation-delay:.15s; } .il-card.d2 { animation-delay:.3s; } .il-card.d3 { animation-delay:.45s; }
.il-row { display:flex; align-items:center; gap:10px; }
.il-line { height:8px; border-radius:4px; background:color-mix(in srgb, var(--il) 18%, var(--rule)); animation:ilGrowW 1s cubic-bezier(.2,.7,.2,1) both; }
.il-line.strong { background:var(--il); }
.il-line.d1 { animation-delay:.25s; } .il-line.d2 { animation-delay:.45s; } .il-line.d3 { animation-delay:.65s; }
.il-avatar { width:26px; height:26px; border-radius:50%; background:var(--il-l); flex:none; }
.il-pin { width:10px; height:10px; border-radius:50% 50% 50% 0; transform:rotate(-45deg); background:var(--il); flex:none; animation:ilBounce 1.6s ease infinite; }
.il-chip { display:inline-flex; align-items:center; gap:6px; font-family:var(--font-display); font-size:10px; font-weight:700; letter-spacing:.08em; text-transform:uppercase; color:var(--il); background:var(--il-l); border-radius:999px; padding:4px 10px; width:max-content; animation:ilRise .6s .5s cubic-bezier(.2,.7,.2,1) both; }
.il-bars { display:flex; align-items:flex-end; gap:10px; height:110px; padding:0 6px; }
.il-bars i { flex:1; border-radius:6px 6px 2px 2px; background:linear-gradient(180deg, var(--il), color-mix(in srgb, var(--il) 45%, transparent)); transform-origin:bottom; animation:ilGrowY 1s cubic-bezier(.2,.7,.2,1) both; }
.il-bars i:nth-child(2){ animation-delay:.12s } .il-bars i:nth-child(3){ animation-delay:.24s }
.il-bars i:nth-child(4){ animation-delay:.36s } .il-bars i:nth-child(5){ animation-delay:.48s }
.il-draw path { stroke-dasharray:300; stroke-dashoffset:300; animation:ilDraw 1.6s .3s ease forwards; }
.il-float { position:absolute; color:var(--il); animation:ilFloat 2.6s ease-in infinite; opacity:0; }
.il-float.f2 { animation-delay:.9s; } .il-float.f3 { animation-delay:1.7s; }
.il-typing { display:inline-flex; gap:4px; padding:2px 0; }
.il-typing i { width:6px; height:6px; border-radius:50%; background:var(--il); animation:ilBlink 1.2s ease infinite; }
.il-typing i:nth-child(2){ animation-delay:.2s } .il-typing i:nth-child(3){ animation-delay:.4s }
.il-check { display:grid; place-items:center; width:22px; height:22px; border-radius:50%; background:var(--il); color:#fff; font-size:12px; font-weight:800; flex:none; animation:ilRise .5s .8s both; }
.il-beat { width:100%; height:64px; }
@keyframes ilPulse { 0%,100%{ box-shadow:0 0 0 0 color-mix(in srgb, var(--il) 45%, transparent);} 55%{ box-shadow:0 0 0 8px transparent;} }
@keyframes ilRise { from{ opacity:0; transform:translateY(14px) scale(.97);} to{ opacity:1; transform:none;} }
@keyframes ilGrowW { from{ transform:scaleX(0); transform-origin:left;} to{ transform:scaleX(1); transform-origin:left;} }
@keyframes ilGrowY { from{ transform:scaleY(0);} to{ transform:scaleY(1);} }
@keyframes ilDraw { to{ stroke-dashoffset:0; } }
@keyframes ilFloat { 0%{ transform:translateY(6px) scale(.7); opacity:0;} 25%{ opacity:1;} 100%{ transform:translateY(-64px) scale(1.15); opacity:0;} }
@keyframes ilBlink { 0%,100%{ opacity:.25;} 50%{ opacity:1;} }
@keyframes ilBounce { 0%,100%{ transform:rotate(-45deg) translateY(0);} 50%{ transform:rotate(-45deg) translateY(-5px);} }
@media (prefers-reduced-motion: reduce) {
  .illus *, .illus *::before, .illus *::after { animation:none !important; }
  .il-draw path { stroke-dashoffset:0; }
  .il-float { display:none; }
}

/* ── Tool icon strip ── */
.tool-strip { display:flex; align-items:center; flex-wrap:wrap; gap:14px 18px; margin-top:26px; }
.tool-strip img { width:34px; height:34px; display:block; border-radius:8px; }
.tool-strip .ts-label { font-size:12.5px; color:var(--muted); font-weight:600; letter-spacing:.02em; width:100%; }