/*
 * Citoviso public homepage — page-specific compositions.
 * ADR-0021 ②. Depends on the design core: ../ui/citui.css (tokens + shared components).
 * Only homepage-unique layouts live here (hero visual, process grid, engine map, etc.).
 */

/* ── Header (fixed overlay on the dark hero; solidifies on scroll) ── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  border-bottom: 1px solid transparent;
  transition: background var(--citui-transition), border-color var(--citui-transition), box-shadow var(--citui-transition);
}
.site-header.is-scrolled {
  background: rgba(8, 29, 48, 0.84);
  backdrop-filter: blur(18px);
  border-bottom-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 30px rgba(2, 18, 31, 0.16);
}

/* ── Hero ── */
.hero {
  position: relative; overflow: hidden; color: var(--citui-white);
  min-height: 88svh;
  background:
    radial-gradient(circle at 15% 20%, rgba(53, 196, 224, 0.34), transparent 33%),
    radial-gradient(circle at 84% 28%, rgba(31, 182, 214, 0.2), transparent 28%),
    radial-gradient(circle at 74% 78%, rgba(80, 129, 255, 0.14), transparent 32%),
    linear-gradient(145deg, #091f35 0%, var(--citui-navy-900) 48%, #183451 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent 90%);
}
.hero-inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 64px; align-items: center;
  min-height: 88svh; padding: 132px 0 80px;
}
.hero-copy { max-width: 690px; }
.hero .citui-eyebrow { color: var(--citui-cyan-300); }
.hero h1 {
  margin: 0 0 24px; color: var(--citui-white);
  font-size: clamp(3.35rem, 7.2vw, 7rem); line-height: 0.92; letter-spacing: -0.065em; max-width: 820px;
}
.hero h1 span { display: block; color: var(--citui-cyan-400); }
.hero-lead { max-width: 650px; margin: 0; color: rgba(255, 255, 255, 0.76); font-size: clamp(1.08rem, 2vw, 1.3rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-note { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 28px; color: rgba(255, 255, 255, 0.64); font-size: 0.9rem; }
.hero-note span { display: inline-flex; align-items: center; gap: 8px; }
.hero-note svg { width: 17px; height: 17px; color: var(--citui-cyan-300); }

/* Hero visual (orbital + glowing core + floating cards) */
.hero-visual { position: relative; min-height: 560px; }
.orbital { position: absolute; inset: 7% 5%; border: 1px solid rgba(255, 255, 255, 0.12); border-radius: 50%; transform: rotate(-9deg); }
.orbital::before, .orbital::after { content: ""; position: absolute; border-radius: 50%; border: 1px solid rgba(255, 255, 255, 0.09); }
.orbital::before { inset: 12%; }
.orbital::after { inset: 24%; }
.visual-core {
  position: absolute; left: 50%; top: 50%; width: 280px; height: 280px; transform: translate(-50%, -50%);
  border-radius: 50%; display: grid; place-items: center;
  background:
    radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.7), transparent 11%),
    radial-gradient(circle at center, #49d8eb 0%, #1fb6d6 38%, #0c6680 100%);
  box-shadow: 0 0 0 18px rgba(53, 196, 224, 0.08), 0 0 90px rgba(31, 182, 214, 0.42);
}
.visual-core svg { width: 128px; height: 128px; filter: drop-shadow(0 18px 28px rgba(7, 44, 59, 0.28)); }
.float-card {
  position: absolute; padding: 18px; border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.14); background: rgba(9, 33, 55, 0.7);
  backdrop-filter: blur(18px); box-shadow: 0 22px 50px rgba(1, 17, 31, 0.24);
}
.float-card strong { display: block; margin-bottom: 5px; color: var(--citui-white); font-size: 0.96rem; }
.float-card span { color: rgba(255, 255, 255, 0.62); font-size: 0.82rem; }
.float-card .mini-icon {
  width: 38px; height: 38px; margin-bottom: 12px; border-radius: 12px; display: grid; place-items: center;
  color: var(--citui-navy-900); background: var(--citui-cyan-400);
}
.float-card .mini-icon svg { width: 20px; height: 20px; }
.float-one { top: 8%; left: 0; width: 190px; }
.float-two { right: 0; top: 23%; width: 210px; }
.float-three { left: 8%; bottom: 2%; width: 220px; }
.float-four { right: 4%; bottom: 10%; width: 190px; }

/* ── Process (5 steps) ── */
.process-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.process-card {
  position: relative; min-height: 270px; padding: 28px;
  border: 1px solid var(--citui-line); border-radius: var(--citui-radius); background: var(--citui-white);
  box-shadow: var(--citui-shadow-sm);
  transition: transform var(--citui-transition), box-shadow var(--citui-transition), border-color var(--citui-transition);
}
.process-card:hover { transform: translateY(-6px); border-color: rgba(31, 182, 214, 0.35); box-shadow: var(--citui-shadow-md); }
.step-number {
  position: absolute; right: 18px; top: 14px; color: rgba(14, 42, 71, 0.08);
  font-family: var(--citui-font-display); font-size: 3.5rem; font-weight: 700; line-height: 1;
}
.process-icon, .feature-icon {
  width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center;
  color: var(--citui-navy-900); background: linear-gradient(145deg, #d9f7fb, #9de8f2);
}
.process-icon svg, .feature-icon svg { width: 26px; height: 26px; }
.process-card h3, .feature-card h3, .trust-card h3 {
  margin: 26px 0 10px; font-size: 1.2rem; letter-spacing: -0.025em;
}
.process-card p, .feature-card p, .trust-card p { margin: 0; color: var(--citui-muted); font-size: 0.95rem; }

/* ── Map picker (mock request) ── */
.mock-map {
  height: 320px; margin-top: 10px;
  border-radius: var(--citui-radius-sm); overflow: hidden;
  border: 1px solid var(--citui-line-strong);
  background: var(--citui-surface-2);
}
.mock-map .leaflet-container { font-family: var(--citui-font-text); }

/* ── Benefit grid (customer value) & customer-side steps ── */
.benefit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.benefit-card { min-height: auto; }

/* ── Industry (agnostic) ── */
.industry-layout { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 72px; align-items: center; }
.industry-copy h2 { margin: 0 0 20px; font-size: clamp(2.3rem, 5vw, 4.2rem); line-height: 1.02; letter-spacing: -0.05em; }
.industry-copy p { margin: 0 0 26px; color: var(--citui-muted); font-size: 1.05rem; }
.industry-pills { display: flex; flex-wrap: wrap; gap: 10px; }
.industry-visual {
  position: relative; min-height: 540px; border-radius: var(--citui-radius-lg); overflow: hidden;
  box-shadow: var(--citui-shadow-md);
  background:
    radial-gradient(circle at 20% 20%, rgba(53, 196, 224, 0.7), transparent 28%),
    radial-gradient(circle at 80% 78%, rgba(31, 182, 214, 0.4), transparent 32%),
    linear-gradient(145deg, var(--citui-navy-900), #193e61);
}
.industry-visual::before {
  content: ""; position: absolute; inset: 0; opacity: 0.38;
  background-image: radial-gradient(rgba(255, 255, 255, 0.15) 1px, transparent 1px); background-size: 24px 24px;
}
.industry-card { position: absolute; width: 210px; padding: 22px; border-radius: 20px; background: rgba(255, 255, 255, 0.94); box-shadow: 0 20px 45px rgba(2, 18, 31, 0.2); }
.industry-card:nth-child(1) { top: 44px; left: 44px; transform: rotate(-4deg); }
.industry-card:nth-child(2) { top: 160px; right: 34px; transform: rotate(5deg); }
.industry-card:nth-child(3) { bottom: 38px; left: 98px; transform: rotate(2deg); }
.industry-card .tag { display: inline-block; margin-bottom: 14px; padding: 6px 10px; border-radius: 999px; color: var(--citui-navy-900); background: #dff8fb; font-size: 0.75rem; font-weight: 800; }
.industry-card h4 { margin: 0 0 8px; font-size: 1rem; }
.industry-card p { margin: 0; color: var(--citui-muted); font-size: 0.82rem; }

/* ── Showcase (browser mock) ── */
.showcase-shell { padding: 24px; border-radius: 30px; color: var(--citui-white); background: var(--citui-navy-900); box-shadow: var(--citui-shadow-md); }
.showcase-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 22px; }
.browser-dots { display: flex; gap: 7px; }
.browser-dots span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255, 255, 255, 0.28); }
.browser-url { flex: 1; max-width: 520px; padding: 10px 16px; border-radius: 10px; color: rgba(255, 255, 255, 0.62); background: rgba(255, 255, 255, 0.08); font-size: 0.85rem; }
.showcase-grid { display: grid; grid-template-columns: 0.78fr 1.22fr; gap: 18px; }
.showcase-sidebar, .showcase-preview { border-radius: 22px; overflow: hidden; }
.showcase-sidebar { padding: 24px; background: rgba(255, 255, 255, 0.07); }
.sidebar-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 26px; font-weight: 800; }
.sidebar-brand span:first-child { width: 36px; height: 36px; border-radius: 12px; background: linear-gradient(145deg, var(--citui-cyan-300), var(--citui-cyan-500)); }
.sidebar-line { height: 10px; margin-bottom: 12px; border-radius: 999px; background: rgba(255, 255, 255, 0.12); }
.sidebar-line.short { width: 66%; }
.sidebar-action { margin-top: 30px; padding: 14px; border-radius: 12px; text-align: center; color: var(--citui-navy-900); background: var(--citui-cyan-400); font-weight: 800; }
.showcase-preview {
  position: relative; min-height: 470px; padding: 34px; color: var(--citui-ink);
  background:
    linear-gradient(rgba(255, 255, 255, 0.86), rgba(255, 255, 255, 0.86)),
    radial-gradient(circle at 20% 20%, #62cde0, transparent 25%),
    radial-gradient(circle at 80% 60%, #b6e8d1, transparent 30%),
    #f3f9fb;
}
.preview-nav { display: flex; align-items: center; justify-content: space-between; margin-bottom: 68px; color: var(--citui-navy-900); font-weight: 800; }
.preview-nav-links { display: flex; gap: 20px; color: var(--citui-muted); font-size: 0.84rem; }
.preview-content { max-width: 520px; }
.preview-content small { color: var(--citui-cyan-500); font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.preview-content h3 { margin: 12px 0 16px; font-size: clamp(2.1rem, 4vw, 4.2rem); line-height: 0.98; letter-spacing: -0.05em; }
.preview-content p { margin: 0 0 24px; color: var(--citui-muted); }
.preview-badge { position: absolute; right: 26px; bottom: 26px; width: 190px; padding: 18px; border-radius: 18px; color: var(--citui-white); background: var(--citui-navy-900); box-shadow: 0 18px 40px rgba(14, 42, 71, 0.2); }
.preview-badge strong { display: block; margin-bottom: 4px; }
.preview-badge span { color: rgba(255, 255, 255, 0.64); font-size: 0.8rem; }

/* ── Engine map ── */
.engine-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 66px; align-items: center; }
.engine-map {
  position: relative; min-height: 580px; border-radius: 30px; overflow: hidden;
  border: 1px solid var(--citui-line); box-shadow: var(--citui-shadow-sm);
  background:
    linear-gradient(rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.92)),
    radial-gradient(circle at 20% 25%, #35c4e0, transparent 22%),
    radial-gradient(circle at 80% 70%, #1fb6d6, transparent 22%),
    #edf7fa;
}
.engine-map::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(14, 42, 71, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 42, 71, 0.05) 1px, transparent 1px);
  background-size: 34px 34px;
}
.engine-node {
  position: absolute; width: 138px; padding: 16px; border-radius: 18px; z-index: 2; text-align: center;
  background: var(--citui-white); border: 1px solid var(--citui-line); box-shadow: var(--citui-shadow-sm);
  font-weight: 800; color: var(--citui-navy-900);
}
.engine-node small { display: block; margin-top: 4px; color: var(--citui-muted); font-size: 0.72rem; font-weight: 600; }
.node-center { left: 50%; top: 50%; transform: translate(-50%, -50%); width: 180px; padding: 24px; background: var(--citui-navy-900); color: var(--citui-white); }
.node-center small { color: rgba(255, 255, 255, 0.62); }
.node-a { left: 8%; top: 12%; }
.node-b { right: 8%; top: 14%; }
.node-c { left: 7%; bottom: 12%; }
.node-d { right: 7%; bottom: 13%; }
.connector {
  position: absolute; left: 50%; top: 50%; width: 41%; height: 1px; z-index: 1; transform-origin: left center;
  background: linear-gradient(to right, rgba(31, 182, 214, 0.9), rgba(31, 182, 214, 0.15));
}
.connector::after { content: ""; position: absolute; right: 0; top: -4px; width: 9px; height: 9px; border-radius: 50%; background: var(--citui-cyan-500); }
.line-a { transform: rotate(-145deg); }
.line-b { transform: rotate(-35deg); }
.line-c { transform: rotate(145deg); }
.line-d { transform: rotate(35deg); }

/* Feature list (engine right column) */
.feature-list { display: grid; gap: 18px; }
.feature-card { display: grid; grid-template-columns: 52px 1fr; gap: 18px; padding: 22px; border-radius: 18px; border: 1px solid var(--citui-line); background: var(--citui-white); }
.feature-card h3 { margin: 0 0 6px; }

/* ── Pricing ── */
.pricing-wrap { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: stretch; }
.pricing-copy {
  padding: 42px; border-radius: 28px; color: var(--citui-white);
  background: radial-gradient(circle at 15% 10%, rgba(53, 196, 224, 0.28), transparent 25%), linear-gradient(145deg, var(--citui-navy-900), var(--citui-navy-800));
}
.pricing-copy h2 { margin: 0 0 18px; color: var(--citui-white); font-size: clamp(2.3rem, 5vw, 4rem); line-height: 1; letter-spacing: -0.05em; }
.pricing-copy p { margin: 0; color: rgba(255, 255, 255, 0.72); }
.pricing-card { padding: 42px; border-radius: 28px; border: 1px solid var(--citui-line); background: var(--citui-white); box-shadow: var(--citui-shadow-md); }
.price-label { display: inline-flex; padding: 8px 12px; border-radius: 999px; color: var(--citui-navy-900); background: #def8fb; font-size: 0.78rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.08em; }
.price { margin: 20px 0 4px; font-family: var(--citui-font-display); font-size: clamp(3.4rem, 7vw, 5.8rem); line-height: 1; letter-spacing: -0.06em; color: var(--citui-navy-900); }
.price-note { color: var(--citui-muted); }
.price-list { display: grid; gap: 14px; margin: 30px 0; padding: 0; list-style: none; }
.price-list li { display: flex; align-items: flex-start; gap: 12px; color: var(--citui-ink); }
.price-list svg { width: 20px; height: 20px; flex: 0 0 20px; color: var(--citui-cyan-500); margin-top: 2px; }

/* ── Trust ── */
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.trust-card { padding: 28px; border-radius: 20px; border: 1px solid var(--citui-line); background: var(--citui-white); box-shadow: var(--citui-shadow-sm); }
.trust-card h3 { margin-top: 20px; }

/* ── FAQ ── */
.faq-list { max-width: 900px; margin: 0 auto; display: grid; gap: 14px; }
.faq-item { border: 1px solid var(--citui-line); border-radius: 18px; overflow: hidden; background: var(--citui-white); }
.faq-question { width: 100%; padding: 22px 24px; display: flex; align-items: center; justify-content: space-between; gap: 18px; color: var(--citui-navy-900); text-align: left; font-weight: 800; }
.faq-question svg { width: 20px; height: 20px; transition: transform var(--citui-transition); }
.faq-item.open .faq-question svg { transform: rotate(45deg); }
/* No-JS safe: answers are open by default; the collapse only applies when JS is present. */
.faq-answer { display: grid; grid-template-rows: 1fr; }
.citui-js .faq-answer { grid-template-rows: 0fr; transition: grid-template-rows 260ms ease; }
.citui-js .faq-item.open .faq-answer { grid-template-rows: 1fr; }
.faq-answer > div { overflow: hidden; }
.faq-answer p { margin: 0; padding: 0 24px 24px; color: var(--citui-muted); }

/* ── Final CTA ── */
.cta-panel {
  position: relative; overflow: hidden; padding: 72px; border-radius: 34px; text-align: center; color: var(--citui-white);
  box-shadow: var(--citui-shadow-md);
  background:
    radial-gradient(circle at 15% 10%, rgba(53, 196, 224, 0.34), transparent 28%),
    radial-gradient(circle at 85% 90%, rgba(31, 182, 214, 0.22), transparent 30%),
    linear-gradient(145deg, #0a2138, var(--citui-navy-900));
}
.cta-panel::before { content: ""; position: absolute; inset: 0; opacity: 0.4; background-image: radial-gradient(rgba(255, 255, 255, 0.13) 1px, transparent 1px); background-size: 24px 24px; }
.cta-panel > * { position: relative; z-index: 1; }
.cta-panel h2 { margin: 0 auto 18px; max-width: 800px; color: var(--citui-white); font-size: clamp(2.4rem, 6vw, 5.2rem); line-height: 0.98; letter-spacing: -0.055em; }
.cta-panel p { max-width: 680px; margin: 0 auto 28px; color: rgba(255, 255, 255, 0.72); font-size: 1.08rem; }

/* ── Footer ── */
.site-footer { padding: 54px 0 30px; color: rgba(255, 255, 255, 0.68); background: #081c30; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 0.8fr 0.8fr; gap: 40px; padding-bottom: 38px; }
.footer-brand p { max-width: 420px; margin: 18px 0 0; color: rgba(255, 255, 255, 0.55); }
.footer-col { display: grid; align-content: start; gap: 10px; }
.footer-col h4 { margin: 0 0 16px; color: var(--citui-white); }
.site-footer a { color: rgba(255, 255, 255, 0.68); }
.site-footer a:hover { color: var(--citui-white); text-decoration: none; }
.footer-bottom { display: flex; justify-content: space-between; gap: 18px; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, 0.09); font-size: 0.88rem; }

/* ─────────────────────────────────────────────────────────────────────────
   RESPONSIVE
   ───────────────────────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .process-card:last-child { grid-column: span 2; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .benefit-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-inner, .industry-layout, .engine-layout, .pricing-wrap, .steps-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 780px; }
  .hero-visual { max-width: 680px; width: 100%; margin: 0 auto; }
  .industry-layout, .engine-layout { gap: 44px; }
}

@media (max-width: 820px) {
  .citui-section { padding: 80px 0; }
  .citui-nav-links, .citui-nav-actions .citui-nav-cta { display: none; }
  .citui-menu-toggle { display: inline-flex; }
  .citui-nav-links.is-open {
    position: fixed; inset: 78px 16px auto 16px; display: grid; gap: 0; padding: 18px;
    border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 18px;
    background: rgba(8, 29, 48, 0.97); box-shadow: 0 30px 70px rgba(0, 0, 0, 0.25);
  }
  .citui-nav-links.is-open a { padding: 14px 8px; }
  .hero-inner { gap: 30px; padding-top: 118px; }
  .hero-visual { min-height: 470px; }
  .visual-core { width: 220px; height: 220px; }
  .float-one, .float-three { left: 0; }
  .float-two, .float-four { right: 0; }
  .showcase-grid { grid-template-columns: 1fr; }
  .showcase-sidebar { display: none; }
  .preview-nav-links { display: none; }
  .cta-panel { padding: 54px 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  .hero h1 { font-size: clamp(3rem, 16vw, 4.7rem); }
  .hero-actions { flex-direction: column; }
  .hero-actions .citui-btn { width: 100%; }
  .hero-visual { min-height: 430px; }
  .visual-core { width: 170px; height: 170px; }
  .visual-core svg { width: 90px; height: 90px; }
  .float-card { width: 154px; padding: 14px; }
  .float-card span { font-size: 0.72rem; }
  .float-one { top: 5%; }
  .float-two { top: 24%; }
  .float-three { bottom: 4%; }
  .float-four { bottom: 12%; }
  .process-grid, .trust-grid, .benefit-grid { grid-template-columns: 1fr; }
  .process-card:last-child { grid-column: auto; }
  .industry-visual { min-height: 470px; }
  .industry-card { width: 175px; padding: 16px; }
  .industry-card:nth-child(1) { left: 18px; top: 32px; }
  .industry-card:nth-child(2) { right: 14px; top: 170px; }
  .industry-card:nth-child(3) { left: 44px; bottom: 26px; }
  .showcase-shell { padding: 14px; }
  .showcase-preview { min-height: 440px; padding: 24px; }
  .preview-badge { position: static; margin-top: 36px; width: 100%; }
  .engine-map { min-height: 500px; }
  .engine-node { width: 110px; padding: 12px 8px; font-size: 0.82rem; }
  .node-center { width: 140px; }
  .pricing-copy, .pricing-card { padding: 28px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
}