/* FreeSeek — light theme.
   Layout: airy cool-white canvas, tinted bands for alternating sections, teal-blue for action and
   links, amber reserved for "agent at work" signals (live dot, running step, tool names). */
:root {
  --bg: #F7F9FC;
  --surface: #FFFFFF;
  --tint: #EEF3F8;
  --ink: #13233A;
  --ink-2: #2B3D55;
  --muted: #5B6B80;
  --line: #DEE5EE;
  --line-strong: #C6D1DE;
  --accent: #0A6C8C;
  --accent-hover: #085A75;
  --accent-soft: #E2F0F5;
  --amber: #C77A12;
  --amber-soft: #FBF1E1;
  --ok: #2B8A57;
  --ok-soft: #E3F3EA;
  --shadow: 0 1px 2px rgba(19, 35, 58, 0.05), 0 12px 32px -12px rgba(19, 35, 58, 0.14);
  --font-display: "Schibsted Grotesk", "Source Sans 3", system-ui, sans-serif;
  --font-body: "Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
  --step--1: 0.8125rem;
  --step-0: 1.0625rem;
  --step-1: 1.25rem;
  --step-2: 1.5rem;
  --step-3: clamp(1.75rem, 1.35rem + 1.5vw, 2.4rem);
  --step-4: clamp(2.2rem, 1.5rem + 2.9vw, 3.6rem);
  --maxw: 1200px;
  --radius: 12px;
  color-scheme: light;
}
html[lang="ar"] { --font-display: "Noto Kufi Arabic", "Noto Sans Arabic", system-ui, sans-serif; --font-body: "Noto Sans Arabic", system-ui, sans-serif; }
html[lang="zh"] { --font-display: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Schibsted Grotesk", sans-serif; --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Sans 3", sans-serif; --step-0: 1rem; }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5.5rem; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { animation: none !important; transition: none !important; } }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--font-body); font-size: var(--step-0); line-height: 1.62;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
a { color: var(--accent); }
a:hover { color: var(--accent-hover); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.15; text-wrap: balance; margin: 0; color: var(--ink); letter-spacing: -0.015em; }
html[lang="ar"] :is(h1, h2, h3, h4), html[lang="zh"] :is(h1, h2, h3, h4) { letter-spacing: 0; line-height: 1.35; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; }
img, svg { max-width: 100%; }

.wrap {
  max-width: var(--maxw); margin-inline: auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
.eyebrow {
  font-family: var(--font-mono); font-size: var(--step--1); font-weight: 500; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--accent);
}
html[lang="ar"] .eyebrow, html[lang="zh"] .eyebrow { font-family: var(--font-body); letter-spacing: 0.02em; font-weight: 600; }
.lede { color: var(--muted); font-size: var(--step-1); line-height: 1.55; max-width: 64ch; }
.mono { font-family: var(--font-mono); direction: ltr; unicode-bidi: isolate; }

.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font: 600 1rem/1 var(--font-body); text-decoration: none; cursor: pointer;
  padding: 0.85rem 1.25rem; border-radius: 8px; border: 1px solid transparent;
  transition: background .15s ease, border-color .15s ease, transform .15s ease;
}
.btn-primary { background: var(--accent); color: #FFFFFF; }
.btn-primary:hover { background: var(--accent-hover); color: #FFFFFF; transform: translateY(-1px); }
.btn-ghost { background: var(--surface); border-color: var(--line-strong); color: var(--ink); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.arrow { display: inline-block; transition: transform .15s ease; }
a:hover > .arrow, .btn:hover .arrow { transform: translateX(3px); }
[dir="rtl"] .arrow { transform: scaleX(-1); }
[dir="rtl"] a:hover > .arrow, [dir="rtl"] .btn:hover .arrow { transform: scaleX(-1) translateX(3px); }

/* Header */
.site-header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20;
  background: rgba(247, 249, 252, 0.9); backdrop-filter: saturate(1.4) blur(12px); -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; gap: 1.75rem; min-height: 4.25rem; }
.brand { display: inline-flex; align-items: center; gap: 0.55rem; text-decoration: none; color: var(--ink); font-family: "Schibsted Grotesk", var(--font-body); font-weight: 700; font-size: 1.28rem; letter-spacing: -0.02em; }
.brand:hover { color: var(--ink); }
.brand b { color: var(--accent); font-weight: 700; }
.nav-links { display: flex; gap: 1.5rem; margin-inline-start: auto; align-items: center; }
.nav-links > a, .nav-dd > button { text-decoration: none; color: var(--ink-2); font: 500 0.98rem var(--font-body); background: none; border: 0; cursor: pointer; padding: 0.4rem 0; }
.nav-links > a:hover, .nav-dd > button:hover, .nav-links > a[aria-current="page"] { color: var(--accent); }
.nav-dd { position: relative; }
.nav-dd > button::after { content: ""; display: inline-block; width: 0.4rem; height: 0.4rem; margin-inline-start: 0.45rem; border: solid currentColor; border-width: 0 1.5px 1.5px 0; transform: translateY(-3px) rotate(45deg); }
.dd-panel {
  position: absolute; inset-inline-start: -1rem; top: calc(100% + 0.6rem); width: 21rem;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 0.5rem; display: grid; gap: 0.1rem;
}
.dd-panel a { display: grid; grid-template-columns: 2.6rem minmax(0, 1fr); gap: 0.6rem; align-items: center; padding: 0.55rem 0.6rem; border-radius: 8px; text-decoration: none; color: var(--ink); }
.dd-panel a:hover { background: var(--tint); color: var(--ink); }
.dd-panel .code { font-family: var(--font-mono); font-size: 0.72rem; color: var(--accent); background: var(--accent-soft); border-radius: 5px; padding: 0.2rem 0; text-align: center; }
.lang-switch { display: flex; gap: 0.1rem; border: 1px solid var(--line); border-radius: 8px; padding: 0.15rem; background: var(--surface); }
.lang-switch a { font: 600 0.78rem var(--font-body); color: var(--muted); text-decoration: none; padding: 0.35rem 0.5rem; border-radius: 6px; }
.lang-switch a:hover { color: var(--ink); background: var(--tint); }
.lang-switch a[aria-current="true"] { background: var(--ink); color: #FFFFFF; }
.nav-tools { display: flex; align-items: center; gap: 0.75rem; }
.nav .btn { padding: 0.6rem 1rem; font-size: 0.92rem; }
.menu-btn { display: none; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; width: 2.5rem; height: 2.5rem; cursor: pointer; color: var(--ink); }
@media (max-width: 1000px) {
  .nav { gap: 0.75rem; }
  .nav-links { display: none; }
  .nav-tools { margin-inline-start: auto; }
  .nav .btn { display: none; }
  .menu-btn { display: inline-grid; place-items: center; }
  .site-header.open .nav-links {
    display: grid; position: absolute; inset-inline: 0; top: 100%; gap: 0; margin: 0;
    background: var(--surface); border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
    padding: 0.5rem max(16px, env(safe-area-inset-right, 0px)) 1rem max(16px, env(safe-area-inset-left, 0px));
  }
  .site-header.open .nav-links > a, .site-header.open .nav-dd > button { padding: 0.75rem 0; text-align: start; width: 100%; border-bottom: 1px solid var(--line); }
  .site-header.open .dd-panel { position: static; width: auto; box-shadow: none; border: 0; padding: 0.25rem 0 0.5rem; }
}
@media (max-width: 420px) { .lang-switch a { padding: 0.35rem 0.38rem; } .brand { font-size: 1.12rem; } }

/* Sections */
.band { padding-block: clamp(3.5rem, 7vw, 6rem); }
.band.tint { background: var(--tint); }
.band + .band:not(.tint) { border-top: 1px solid var(--line); }
.sec-head { display: grid; gap: 0.85rem; margin-bottom: clamp(2rem, 4vw, 3rem); max-width: 780px; }
.sec-head h2 { font-size: var(--step-3); }

/* Hero */
.hero { padding-block: clamp(2.5rem, 6vw, 5rem) clamp(3rem, 6vw, 5rem); background:
  radial-gradient(60rem 30rem at 85% -10%, var(--accent-soft), transparent 60%), var(--bg); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.hero-copy { display: grid; gap: 1.35rem; min-width: 0; }
.hero h1 { font-size: var(--step-4); }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.hero-note { font-size: 0.92rem; color: var(--muted); }
@media (max-width: 920px) { .hero-grid { grid-template-columns: minmax(0, 1fr); } }

.crumbs { display: flex; flex-wrap: wrap; gap: 0.4rem; font-size: 0.9rem; color: var(--muted); }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--accent); }
.crumbs span[aria-hidden] { color: var(--line-strong); }

.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.chip { font-family: var(--font-mono); font-size: 0.75rem; padding: 0.25rem 0.55rem; border: 1px solid var(--line); border-radius: 6px; color: var(--ink-2); background: var(--surface); direction: ltr; }
.label-sm { font-size: 0.78rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.07em; color: var(--muted); }
html[lang="ar"] .label-sm, html[lang="zh"] .label-sm { letter-spacing: 0; font-size: 0.85rem; }

/* Trace panel (light) */
.trace { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); overflow: hidden; min-width: 0; }
.trace-tabs { display: flex; gap: 0.2rem; padding: 0.55rem; border-bottom: 1px solid var(--line); background: var(--tint); overflow-x: auto; scrollbar-width: none; }
.trace-tabs::-webkit-scrollbar { display: none; }
.trace-tab { flex: none; font: 600 0.8rem var(--font-body); color: var(--muted); background: transparent; border: 1px solid transparent; border-radius: 6px; padding: 0.4rem 0.65rem; cursor: pointer; }
.trace-tab:hover { color: var(--ink); }
.trace-tab[aria-selected="true"] { color: var(--ink); background: var(--surface); border-color: var(--line); }
.trace-body { padding: 1.15rem 1.25rem 1.3rem; display: grid; gap: 1rem; }
.trace-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; font-family: var(--font-mono); font-size: 0.74rem; color: var(--muted); }
.live { display: inline-flex; align-items: center; gap: 0.45rem; }
html[lang="ar"] .live, html[lang="zh"] .live { font-family: var(--font-body); font-size: 0.8rem; }
.live::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--amber); animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.25; } }
.trace-task { padding-bottom: 0.95rem; border-bottom: 1px dashed var(--line-strong); font-weight: 600; line-height: 1.45; }
.trace-task small { display: block; font-weight: 600; font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.07em; margin-bottom: 0.3rem; }
.steps { list-style: none; display: grid; gap: 0.75rem; }
.step { display: grid; grid-template-columns: 1.15rem minmax(0, 1fr); gap: 0.7rem; transition: opacity .35s ease; }
.step.pending { opacity: 0.38; }
.step-mark { width: 1.15rem; height: 1.15rem; margin-top: 0.12rem; border-radius: 50%; border: 1.5px solid var(--line-strong); display: grid; place-items: center; }
.step.done .step-mark { border-color: var(--ok); background: var(--ok); }
.step.done .step-mark::after { content: ""; width: 0.32rem; height: 0.56rem; border: solid #FFFFFF; border-width: 0 2px 2px 0; transform: translateY(-1px) rotate(45deg); }
.step.running .step-mark { border-color: var(--amber); border-top-color: transparent; animation: spin .9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.step-tool { font-family: var(--font-mono); font-size: 0.76rem; color: var(--amber); direction: ltr; text-align: start; }
[dir="rtl"] .step-tool { text-align: end; }
.step-text { font-size: 0.95rem; color: var(--ink-2); line-height: 1.5; }
.trace-result { font-size: 0.95rem; line-height: 1.5; padding: 0.8rem 0.95rem; border-radius: 8px; background: var(--ok-soft); color: var(--ink); transition: opacity .35s ease; }
.trace-result b { color: var(--ok); }

/* Home: industry cards */
.ind-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
@media (max-width: 980px) { .ind-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .ind-grid { grid-template-columns: minmax(0, 1fr); } }
.ind-card {
  display: grid; grid-template-rows: auto auto 1fr auto; gap: 0.9rem; padding: 1.5rem; min-width: 0;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; color: var(--ink);
  transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}
.ind-card:hover { border-color: var(--accent); box-shadow: var(--shadow); transform: translateY(-2px); color: var(--ink); }
.ind-card-top { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.code-tag { font-family: var(--font-mono); font-size: 0.74rem; font-weight: 500; color: var(--accent); background: var(--accent-soft); border-radius: 6px; padding: 0.22rem 0.5rem; }
.count { font-size: 0.82rem; color: var(--muted); }
.ind-card h3 { font-size: var(--step-2); }
.ind-card p { color: var(--muted); font-size: 0.98rem; }
.ind-card ul { list-style: none; display: grid; gap: 0.4rem; border-top: 1px solid var(--line); padding-top: 0.9rem; }
.ind-card li { display: grid; grid-template-columns: 0.9rem minmax(0, 1fr); gap: 0.45rem; font-size: 0.93rem; color: var(--ink-2); }
.ind-card li::before { content: ""; width: 0.4rem; height: 0.4rem; border-radius: 50%; background: var(--amber); margin-top: 0.55em; }
.more { font-weight: 600; color: var(--accent); display: inline-flex; gap: 0.4rem; align-items: center; }

/* Home: method, principles, models */
.method { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
@media (max-width: 900px) { .method { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .method { grid-template-columns: minmax(0, 1fr); } }
.m-step { padding: 1.5rem 1.4rem 1.6rem; display: grid; gap: 0.6rem; align-content: start; border-inline-end: 1px solid var(--line); border-bottom: 1px solid var(--line); min-width: 0; }
.m-meta { display: flex; justify-content: space-between; gap: 1rem; font-size: 0.85rem; color: var(--muted); }
.m-num { font-family: var(--font-mono); color: var(--accent); font-weight: 500; }
.m-step h3 { font-size: var(--step-1); }
.m-step p { color: var(--muted); font-size: 0.97rem; }
.prin-grid { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.6fr); gap: clamp(2rem, 5vw, 4rem); }
@media (max-width: 860px) { .prin-grid { grid-template-columns: minmax(0, 1fr); } }
.prin-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem; }
@media (max-width: 560px) { .prin-list { grid-template-columns: minmax(0, 1fr); } }
.prin { display: grid; gap: 0.5rem; align-content: start; }
.prin-icon { width: 2.6rem; height: 2.6rem; border-radius: 10px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; }
.prin h3 { font-size: var(--step-1); }
.prin p { color: var(--muted); }
.models { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
@media (max-width: 900px) { .models { grid-template-columns: minmax(0, 1fr); } }
.model { display: grid; grid-template-rows: auto auto 1fr; gap: 1rem; padding: 1.6rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); min-width: 0; }
.model.featured { border: 2px solid var(--accent); }
.model-top { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap; }
.model h3 { font-size: var(--step-2); }
.dur { font-family: var(--font-mono); font-size: 0.82rem; color: var(--amber); }
html[lang="ar"] .dur, html[lang="zh"] .dur { font-family: var(--font-body); font-weight: 600; }
.model p { color: var(--muted); }
.checks { list-style: none; display: grid; gap: 0.55rem; align-content: start; border-top: 1px solid var(--line); padding-top: 1rem; }
.checks li { display: grid; grid-template-columns: 1rem minmax(0, 1fr); gap: 0.55rem; font-size: 0.97rem; }
.checks svg { margin-top: 0.35rem; color: var(--accent); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.3fr); gap: clamp(2rem, 5vw, 4rem); }
@media (max-width: 860px) { .contact-grid { grid-template-columns: minmax(0, 1fr); } }
.contact-aside { display: grid; gap: 1.1rem; align-content: start; }
.mail { font-family: var(--font-mono); font-size: 1rem; color: var(--ink); user-select: all; direction: ltr; unicode-bidi: isolate; }
form.contact { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; padding: 1.6rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
@media (max-width: 560px) { form.contact { grid-template-columns: minmax(0, 1fr); padding: 1.1rem; } }
.field { display: grid; gap: 0.35rem; min-width: 0; }
.field.full, .form-foot { grid-column: 1 / -1; }
.field label { font-size: 0.9rem; font-weight: 600; }
.field input, .field select, .field textarea { font: 400 1rem var(--font-body); color: var(--ink); background: var(--bg); border: 1px solid var(--line-strong); border-radius: 8px; padding: 0.7rem 0.8rem; width: 100%; }
.field textarea { min-height: 7.5rem; resize: vertical; }
.field :is(input, select, textarea):focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); background: var(--surface); }
.form-foot { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.form-msg { font-size: 0.95rem; color: var(--muted); }
.form-msg.ok { color: var(--ok); }

/* Industry page */
.ind-hero-meta { display: grid; gap: 0.55rem; }
.jump { position: sticky; top: calc(env(safe-area-inset-top, 0px) + 4.25rem); z-index: 10; background: rgba(255, 255, 255, 0.94); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-block: 1px solid var(--line); }
.jump nav { display: flex; gap: 1.5rem; overflow-x: auto; scrollbar-width: none; align-items: center; min-height: 3rem; }
.jump nav::-webkit-scrollbar { display: none; }
.jump .label-sm { flex: none; }
.jump a { flex: none; font-size: 0.93rem; font-weight: 500; color: var(--ink-2); text-decoration: none; padding-block: 0.8rem; border-bottom: 2px solid transparent; }
.jump a:hover, .jump a.active { color: var(--accent); border-bottom-color: var(--accent); }

.landscape { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 4rem); }
@media (max-width: 900px) { .landscape { grid-template-columns: minmax(0, 1fr); } }
.landscape-body { display: grid; gap: 1.1rem; color: var(--ink-2); max-width: 62ch; }
.pressures { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; align-content: start; }
@media (max-width: 560px) { .pressures { grid-template-columns: minmax(0, 1fr); } }
.pressure { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.15rem 1.2rem; display: grid; gap: 0.4rem; align-content: start; min-width: 0; }
.pressure h3 { font-size: 1.05rem; }
.pressure p { color: var(--muted); font-size: 0.95rem; }

.scen-index { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.75rem; margin-bottom: 2.25rem; }
@media (max-width: 900px) { .scen-index { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .scen-index { grid-template-columns: minmax(0, 1fr); } }
.scen-index a { display: grid; gap: 0.3rem; padding: 0.9rem 1rem; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); text-decoration: none; color: var(--ink); font-weight: 600; line-height: 1.35; }
.scen-index a:hover { border-color: var(--accent); color: var(--ink); }
.scen-index .mono { font-size: 0.72rem; color: var(--accent); font-weight: 500; }

.scenario { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.scenario + .scenario { margin-top: 1.5rem; }
.scen-head { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1.5rem; align-items: start; padding: 1.6rem 1.75rem; border-bottom: 1px solid var(--line); }
@media (max-width: 720px) { .scen-head { grid-template-columns: minmax(0, 1fr); padding: 1.25rem; } }
.scen-head h3 { font-size: var(--step-2); margin-block: 0.3rem 0.4rem; }
.scen-head p { color: var(--muted); }
.scen-meta { display: grid; gap: 0.65rem; min-width: 12rem; }
.meta-row { display: grid; gap: 0.2rem; }
.meta-val { font-weight: 600; display: flex; align-items: center; gap: 0.5rem; }
.dots { display: inline-flex; gap: 3px; }
.dots i { width: 0.55rem; height: 0.55rem; border-radius: 2px; background: var(--line); }
.dots i.on { background: var(--accent); }
.scen-body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr) minmax(0, 1fr); }
@media (max-width: 980px) { .scen-body { grid-template-columns: minmax(0, 1fr); } }
.scen-col { padding: 1.4rem 1.75rem 1.6rem; display: grid; gap: 0.75rem; align-content: start; min-width: 0; }
.scen-col + .scen-col { border-inline-start: 1px solid var(--line); }
@media (max-width: 980px) { .scen-col { padding: 1.2rem 1.25rem; } .scen-col + .scen-col { border-inline-start: 0; border-top: 1px solid var(--line); } }
.scen-col.agent { background: linear-gradient(180deg, var(--accent-soft), rgba(226, 240, 245, 0.25)); }
.today { color: var(--ink-2); font-size: 0.98rem; }
.agent-steps { list-style: none; counter-reset: s; display: grid; gap: 0.7rem; }
.agent-steps li { counter-increment: s; display: grid; grid-template-columns: 1.6rem minmax(0, 1fr); gap: 0.6rem; font-size: 0.98rem; color: var(--ink); }
.agent-steps li::before { content: counter(s); font-family: var(--font-mono); font-size: 0.75rem; font-weight: 500; width: 1.6rem; height: 1.6rem; border-radius: 50%; background: var(--surface); border: 1px solid var(--accent); color: var(--accent); display: grid; place-items: center; }
.human { display: grid; grid-template-columns: 1.6rem minmax(0, 1fr); gap: 0.6rem; padding: 0.85rem; border-radius: 10px; background: var(--amber-soft); font-size: 0.95rem; }
.human svg { color: var(--amber); margin-top: 0.1rem; }
.kpis { list-style: none; display: grid; gap: 0.4rem; }
.kpis li { display: grid; grid-template-columns: 0.9rem minmax(0, 1fr); gap: 0.45rem; font-size: 0.95rem; }
.kpis li::before { content: ""; width: 0.55rem; height: 2px; background: var(--accent); margin-top: 0.75em; }

.cases-note { font-size: 0.92rem; color: var(--muted); padding: 0.75rem 1rem; border-radius: 8px; background: var(--surface); border: 1px dashed var(--line-strong); margin-bottom: 1.5rem; max-width: 820px; }
.cases { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
@media (max-width: 900px) { .cases { grid-template-columns: minmax(0, 1fr); } }
.case { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 1.75rem; display: grid; gap: 1.15rem; align-content: start; min-width: 0; }
@media (max-width: 560px) { .case { padding: 1.25rem; } }
.case h3 { font-size: var(--step-2); }
.case-who { display: flex; flex-wrap: wrap; gap: 0.4rem 1.25rem; font-size: 0.92rem; color: var(--muted); }
.case-who b { color: var(--ink-2); font-weight: 600; }
.results { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.75rem; }
@media (max-width: 420px) { .results { grid-template-columns: minmax(0, 1fr); } }
.result { background: var(--tint); border-radius: 10px; padding: 0.9rem; display: grid; gap: 0.2rem; align-content: start; }
.result-val { font-family: var(--font-display); font-size: 1.65rem; font-weight: 700; color: var(--accent); font-variant-numeric: tabular-nums; line-height: 1.1; direction: ltr; unicode-bidi: isolate; text-align: start; }
[dir="rtl"] .result-val { text-align: end; }
.result-lbl { font-size: 0.86rem; color: var(--muted); line-height: 1.35; }
.case-block { display: grid; gap: 0.45rem; }
.case-block p { color: var(--ink-2); font-size: 0.98rem; }
.case-timeline { font-size: 0.9rem; color: var(--muted); border-top: 1px solid var(--line); padding-top: 0.9rem; }

.gov { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
@media (max-width: 760px) { .gov { grid-template-columns: minmax(0, 1fr); } }
.gov-item { display: grid; grid-template-columns: 2.6rem minmax(0, 1fr); gap: 1rem; padding: 1.3rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.gov-item h3 { font-size: 1.08rem; margin-bottom: 0.35rem; }
.gov-item p { color: var(--muted); font-size: 0.97rem; }

.faq { display: grid; gap: 0.75rem; max-width: 880px; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; }
.faq summary { cursor: pointer; list-style: none; padding: 1.05rem 1.25rem; font-weight: 600; display: grid; grid-template-columns: minmax(0, 1fr) 1rem; gap: 1rem; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--font-mono); color: var(--accent); font-size: 1.2rem; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 1.25rem 1.15rem; color: var(--ink-2); }

.cta-band { background: var(--ink); color: #FFFFFF; border-radius: 18px; padding: clamp(1.75rem, 4vw, 3rem); display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1.5rem; align-items: center; }
.cta-band h2 { color: #FFFFFF; font-size: var(--step-3); }
.cta-band p { color: #B9C6D6; margin-top: 0.5rem; }
.cta-band .btn-primary { background: #FFFFFF; color: var(--ink); }
.cta-band .btn-primary:hover { background: var(--accent-soft); color: var(--ink); }
@media (max-width: 720px) { .cta-band { grid-template-columns: minmax(0, 1fr); } }

.others { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0.75rem; }
@media (max-width: 900px) { .others { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 420px) { .others { grid-template-columns: minmax(0, 1fr); } }
.others a { display: grid; gap: 0.35rem; padding: 1rem; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); text-decoration: none; color: var(--ink); font-weight: 600; }
.others a:hover { border-color: var(--accent); color: var(--ink); }

.site-footer { border-top: 1px solid var(--line); background: var(--surface); padding-block: 2.5rem; color: var(--muted); font-size: 0.92rem; }
.foot { display: grid; grid-template-columns: minmax(0, 1.2fr) repeat(2, minmax(0, 1fr)); gap: 2rem; }
@media (max-width: 760px) { .foot { grid-template-columns: minmax(0, 1fr); } }
.foot-col { display: grid; gap: 0.45rem; align-content: start; }
.foot-col a { color: var(--ink-2); text-decoration: none; }
.foot-col a:hover { color: var(--accent); }
.foot-bottom { margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
[hidden] { display: none !important; }
.foot-company { color: var(--ink-2); line-height: 1.5; }
.foot-company b { color: var(--ink); }