/* FANTULA LLC — Charcoal + Gold */
:root {
  --bg: #0b0b0c;
  --bg-1: #111114;
  --bg-2: #16161a;
  --bg-3: #1c1c22;
  --line: #26262d;
  --line-2: #33333d;
  --ink: #f4f1ea;
  --ink-2: #c9c6bf;
  --ink-3: #8a877f;
  --ink-4: #5c5a55;
  --gold: #c8a25a;
  --gold-2: #e6c785;
  --gold-deep: #8a6b32;
  --gold-glow: rgba(200, 162, 90, 0.18);
  --danger: #d97757;
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-pill: 999px;
  --serif: "Fraunces", "Cormorant Garamond", "Source Han Serif SC", "Noto Serif SC", "Songti SC", Georgia, serif;
  --serif-display: "Fraunces", "Cormorant Garamond", "Noto Serif SC", "Songti SC", Georgia, serif;
  --sans: "Inter", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --mono: "JetBrains Mono", "SF Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--bg); color: var(--ink); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
body { line-height: 1.55; font-size: 15px; letter-spacing: 0.005em; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
img, svg { display: block; max-width: 100%; }

/* ============ Layout ============ */
.wrap { max-width: 1280px; margin: 0 auto; padding: 0 40px; }
.wrap-narrow { max-width: 920px; margin: 0 auto; padding: 0 40px; }
@media (max-width: 720px) {
  .wrap, .wrap-narrow { padding: 0 22px; }
}

/* ============ Top bar ============ */
.topbar {
  border-bottom: 1px solid var(--line);
  background: rgba(11, 11, 12, 0.85);
  backdrop-filter: blur(12px);
  position: sticky; top: 0; z-index: 50;
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px; gap: 24px;
}
.brand {
  display: flex; align-items: baseline; gap: 10px;
  font-family: var(--serif);
  cursor: pointer;
}
.brand-mark {
  font-size: 26px; letter-spacing: 0.28em; font-weight: 500;
  color: var(--ink);
}
.brand-mark .accent { color: var(--gold); }
.brand-suffix {
  font-family: var(--mono); font-size: 10px;
  color: var(--ink-3); letter-spacing: 0.25em;
}
.nav { display: flex; gap: 4px; align-items: center; }
.nav-link {
  padding: 9px 16px; font-size: 13.5px; color: var(--ink-2);
  letter-spacing: 0.04em; position: relative;
  transition: all 0.15s; border-radius: var(--r-pill);
}
.nav-link:hover { color: var(--ink); background: rgba(200,162,90,0.06); }
.nav-link.active { color: var(--gold-2); background: rgba(200,162,90,0.08); }
.lang-toggle {
  display: flex; align-items: center; border: 1px solid var(--line-2);
  border-radius: var(--r-pill); overflow: hidden; height: 34px;
  font-family: var(--mono); font-size: 11px;
  padding: 2px;
}
.lang-toggle button {
  padding: 0 14px; height: 100%; color: var(--ink-3); letter-spacing: 0.1em;
  border-radius: var(--r-pill); transition: all 0.18s;
}
.lang-toggle button.on { background: var(--gold); color: #0b0b0c; }
.cta-btn {
  border: 1px solid var(--gold); color: var(--gold-2);
  padding: 11px 20px; font-size: 13px; letter-spacing: 0.12em;
  text-transform: uppercase; font-family: var(--mono);
  transition: all 0.2s;
  border-radius: var(--r-pill);
}
.cta-btn:hover { background: var(--gold); color: #0b0b0c; }
.cta-btn.solid { background: var(--gold); color: #0b0b0c; }
.cta-btn.solid:hover { background: var(--gold-2); }
.cta-btn.ghost { border-color: var(--line-2); color: var(--ink-2); }
.cta-btn.ghost:hover { border-color: var(--ink-2); color: var(--ink); background: transparent; }

.mobile-toggle { display: none; }
@media (max-width: 980px) {
  .nav { display: none; }
  .nav.open {
    display: flex; flex-direction: column; align-items: stretch;
    position: absolute; top: 72px; left: 0; right: 0;
    background: var(--bg-1); border-bottom: 1px solid var(--line);
    padding: 14px 22px; gap: 0;
  }
  .nav.open .nav-link { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .mobile-toggle { display: block; color: var(--ink-2); padding: 6px; }
  .topbar-cta-desktop { display: none; }
}

/* ============ Hero ============ */
.hero {
  position: relative; overflow: hidden;
  padding: 100px 0 120px;
  border-bottom: 1px solid var(--line);
}
.hero-bg {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(800px 400px at 80% 0%, var(--gold-glow), transparent 60%),
    radial-gradient(600px 300px at 10% 100%, rgba(200,162,90,0.06), transparent 60%);
}
.hero-grid-bg {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.35;
  background-image:
    linear-gradient(to right, rgba(200,162,90,0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(200,162,90,0.05) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.4fr 1fr; gap: 80px; align-items: center; }
@media (max-width: 980px) { .hero-inner { grid-template-columns: 1fr; gap: 48px; } }
.eyebrow {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.28em;
  color: var(--gold); text-transform: uppercase;
  display: flex; align-items: center; gap: 12px;
}
.eyebrow::before {
  content: ""; width: 32px; height: 1px; background: var(--gold);
}
h1.display {
  font-family: var(--serif-display);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 500; line-height: 1.05; letter-spacing: -0.015em;
  margin: 24px 0 28px;
  color: var(--ink);
  font-variation-settings: "opsz" 144, "SOFT" 50;
}
h1.display em { color: var(--gold-2); font-style: italic; font-weight: 500; }
.lede { font-size: 17px; color: var(--ink-2); max-width: 560px; line-height: 1.65; }
.hero-actions { display: flex; gap: 14px; margin-top: 40px; flex-wrap: wrap; }
.hero-side {
  border: 1px solid var(--line); padding: 36px;
  background: linear-gradient(180deg, var(--bg-1), var(--bg-2));
  position: relative; border-radius: var(--r-lg);
  box-shadow: 0 30px 80px -40px rgba(0,0,0,0.8), inset 0 1px 0 rgba(255,255,255,0.02);
}
.hero-side::before {
  content: ""; position: absolute; top: 14px; left: 14px;
  width: 16px; height: 16px;
  border-top: 1px solid var(--gold); border-left: 1px solid var(--gold);
  border-top-left-radius: 6px;
}
.hero-side::after {
  content: ""; position: absolute; bottom: 14px; right: 14px;
  width: 16px; height: 16px;
  border-bottom: 1px solid var(--gold); border-right: 1px solid var(--gold);
  border-bottom-right-radius: 6px;
}
.hero-side-label {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.25em;
  color: var(--ink-3); text-transform: uppercase; margin-bottom: 18px;
}
.cred-row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 14px 0; border-bottom: 1px solid var(--line);
}
.cred-row:last-child { border-bottom: none; }
.cred-key { font-family: var(--mono); font-size: 11px; color: var(--ink-3); letter-spacing: 0.08em; }
.cred-val { font-size: 13.5px; color: var(--ink); }

/* ============ Sections ============ */
section.block { padding: 100px 0; border-bottom: 1px solid var(--line); }
section.block.tight { padding: 70px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-bottom: 56px; flex-wrap: wrap; }
.section-head .heading-stack { max-width: 720px; }
h2.section-title {
  font-family: var(--serif-display);
  font-size: clamp(32px, 4vw, 48px); font-weight: 500; line-height: 1.1;
  letter-spacing: -0.012em; margin-top: 18px; color: var(--ink);
  font-variation-settings: "opsz" 100, "SOFT" 50;
}
h2.section-title em { color: var(--gold-2); font-style: italic; font-weight: 500; }
.section-kicker { color: var(--ink-2); font-size: 16px; margin-top: 18px; max-width: 620px; }

/* ============ Service cards ============ */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 980px) { .service-grid { grid-template-columns: 1fr; } }
.service-card {
  background: var(--bg-1); padding: 40px 34px; position: relative;
  display: flex; flex-direction: column; min-height: 380px;
  transition: all 0.25s; border-radius: var(--r-lg);
  border: 1px solid var(--line);
}
.service-card:hover { background: var(--bg-2); border-color: var(--gold-deep); transform: translateY(-2px); box-shadow: 0 20px 50px -30px rgba(0,0,0,0.8); }
.svc-num {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.25em;
  color: var(--gold); margin-bottom: 28px;
}
.svc-title {
  font-family: var(--serif); font-size: 26px; font-weight: 500;
  line-height: 1.2; color: var(--ink); margin-bottom: 14px;
}
.svc-title-cn { font-size: 15px; color: var(--ink-3); margin-bottom: 24px; letter-spacing: 0.05em; }
.svc-desc { color: var(--ink-2); font-size: 14.5px; line-height: 1.65; flex: 1; }
.svc-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 28px; }
.svc-tag {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em;
  border: 1px solid var(--line-2); padding: 5px 11px; color: var(--ink-3);
  text-transform: uppercase; border-radius: var(--r-pill);
}

/* ============ Approach (numbered steps) ============ */
.approach-list { display: grid; gap: 0; }
.approach-row {
  display: grid; grid-template-columns: 80px 1fr 1.5fr;
  gap: 40px; padding: 36px 0; border-top: 1px solid var(--line);
  align-items: baseline;
}
.approach-row:last-child { border-bottom: 1px solid var(--line); }
.approach-num { font-family: var(--mono); color: var(--gold); font-size: 13px; letter-spacing: 0.15em; }
.approach-title { font-family: var(--serif); font-size: 24px; color: var(--ink); font-weight: 500; }
.approach-title-cn { color: var(--ink-3); font-size: 13px; margin-top: 6px; }
.approach-desc { color: var(--ink-2); font-size: 14.5px; line-height: 1.7; }
@media (max-width: 760px) {
  .approach-row { grid-template-columns: 1fr; gap: 10px; padding: 28px 0; }
}

/* ============ Stats / Trust ============ */
.trust-strip {
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: var(--bg-1); border: 1px solid var(--line);
  border-radius: var(--r-lg); overflow: hidden;
}
.trust-cell {
  padding: 36px 30px; border-right: 1px solid var(--line);
}
.trust-cell:last-child { border-right: none; }
.trust-num { font-family: var(--serif); font-size: 40px; color: var(--gold-2); font-weight: 400; line-height: 1; }
.trust-label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.15em; color: var(--ink-3); margin-top: 14px; text-transform: uppercase; }
@media (max-width: 760px) { .trust-strip { grid-template-columns: repeat(2, 1fr); } .trust-cell:nth-child(2) { border-right: none; } }

/* ============ Industries ============ */
.industries-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 980px) { .industries-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .industries-grid { grid-template-columns: 1fr; } }
.ind-card {
  border: 1px solid var(--line); padding: 28px;
  background: var(--bg-1);
  display: flex; flex-direction: column; gap: 14px;
  min-height: 180px;
  transition: all 0.22s; border-radius: var(--r-md);
}
.ind-card:hover { border-color: var(--gold-deep); transform: translateY(-2px); background: var(--bg-2); }
.ind-tag { font-family: var(--mono); font-size: 10px; color: var(--gold); letter-spacing: 0.2em; }
.ind-title { font-family: var(--serif); font-size: 22px; color: var(--ink); }
.ind-desc { color: var(--ink-3); font-size: 13.5px; line-height: 1.6; }

/* ============ Logos / partners ============ */
.partners {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px;
}
@media (max-width: 980px) { .partners { grid-template-columns: repeat(3, 1fr); } }
.partner-cell {
  background: var(--bg-1); padding: 26px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 12px; color: var(--ink-3);
  letter-spacing: 0.15em; min-height: 80px;
  border: 1px solid var(--line); border-radius: var(--r-md);
  transition: all 0.2s;
}
.partner-cell:hover { color: var(--gold-2); border-color: var(--gold-deep); }

/* ============ About ============ */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
@media (max-width: 880px) { .about-grid { grid-template-columns: 1fr; gap: 40px; } }
.about-prose p { color: var(--ink-2); font-size: 15.5px; line-height: 1.75; margin-bottom: 18px; }
.about-prose p:first-of-type::first-letter {
  font-family: var(--serif); font-size: 56px; float: left; line-height: 0.9;
  margin: 6px 12px 0 0; color: var(--gold-2);
}
.fact-card {
  border: 1px solid var(--line); background: var(--bg-1);
  padding: 32px; border-radius: var(--r-lg);
  box-shadow: 0 20px 60px -40px rgba(0,0,0,0.8);
}
.fact-row { display: flex; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid var(--line); gap: 20px; }
.fact-row:last-child { border-bottom: none; }
.fact-row .k { font-family: var(--mono); font-size: 11px; color: var(--ink-3); letter-spacing: 0.1em; white-space: nowrap; }
.fact-row .v { font-size: 13.5px; color: var(--ink); text-align: right; }

/* ============ Contact ============ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
@media (max-width: 880px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-channels { display: flex; flex-direction: column; gap: 0; }
.channel {
  display: grid; grid-template-columns: 140px 1fr;
  gap: 30px; padding: 26px 0; border-top: 1px solid var(--line);
  align-items: center;
}
.channel:last-child { border-bottom: 1px solid var(--line); }
.channel-label { font-family: var(--mono); font-size: 11px; color: var(--ink-3); letter-spacing: 0.18em; text-transform: uppercase; }
.channel-val { font-size: 16px; color: var(--ink); font-family: var(--serif); }
.channel-val a:hover { color: var(--gold-2); }

.form-card {
  border: 1px solid var(--line); padding: 36px; background: var(--bg-1);
  border-radius: var(--r-lg);
  box-shadow: 0 30px 80px -40px rgba(0,0,0,0.85);
}
.field { margin-bottom: 22px; }
.field label { display: block; font-family: var(--mono); font-size: 10px; color: var(--ink-3); letter-spacing: 0.18em; margin-bottom: 8px; text-transform: uppercase; }
.field input, .field textarea, .field select {
  width: 100%; background: var(--bg-2); border: 1px solid var(--line-2);
  color: var(--ink); padding: 13px 15px; font-family: var(--sans);
  font-size: 14px; border-radius: var(--r-sm);
  transition: all 0.18s;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--gold); background: var(--bg-3); }
.field textarea { resize: vertical; min-height: 110px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.submit-row { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; flex-wrap: wrap; gap: 16px; }
.note { font-family: var(--mono); font-size: 11px; color: var(--ink-3); letter-spacing: 0.05em; }

.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--bg-2); border: 1px solid var(--gold); color: var(--gold-2);
  padding: 14px 26px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em;
  z-index: 100; border-radius: var(--r-pill);
  box-shadow: 0 20px 60px -10px rgba(0,0,0,0.8);
}

/* ============ Legal pages ============ */
.legal-body { color: var(--ink-2); font-size: 15px; line-height: 1.75; }
.legal-body h3 {
  font-family: var(--serif); color: var(--ink); font-size: 22px; font-weight: 500;
  margin: 40px 0 14px;
}
.legal-body h3 .num { color: var(--gold); font-family: var(--mono); font-size: 13px; margin-right: 10px; letter-spacing: 0.1em; }
.legal-body p { margin-bottom: 14px; }
.legal-body ul { padding-left: 22px; margin-bottom: 14px; }
.legal-body li { margin-bottom: 8px; }
.legal-meta {
  font-family: var(--mono); font-size: 11px; color: var(--ink-3);
  letter-spacing: 0.1em; padding: 10px 16px; border: 1px solid var(--line);
  background: var(--bg-1); display: inline-block; border-radius: var(--r-pill);
}

/* ============ Compliance strip ============ */
.compliance-strip {
  background: var(--bg-1); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 28px 0;
}
.compliance-inner { display: flex; gap: 48px; align-items: center; justify-content: center; flex-wrap: wrap; }
.comp-item { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 11px; color: var(--ink-3); letter-spacing: 0.15em; text-transform: uppercase; }
.comp-dot { width: 6px; height: 6px; background: var(--gold); border-radius: 50%; box-shadow: 0 0 0 3px rgba(200,162,90,0.15); }

/* ============ Footer ============ */
footer.foot { padding: 80px 0 40px; background: #07070a; border-top: 1px solid var(--line); }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 60px; margin-bottom: 60px; }
@media (max-width: 880px) { .foot-grid { grid-template-columns: 1fr 1fr; gap: 40px; } }
@media (max-width: 520px) { .foot-grid { grid-template-columns: 1fr; } }
.foot-col h5 { font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em; color: var(--gold); text-transform: uppercase; margin-bottom: 18px; }
.foot-col a, .foot-col p { display: block; font-size: 13.5px; color: var(--ink-3); line-height: 1.9; }
.foot-col a:hover { color: var(--ink); }
.foot-bottom { display: flex; justify-content: space-between; padding-top: 32px; border-top: 1px solid var(--line); flex-wrap: wrap; gap: 20px; font-family: var(--mono); font-size: 11px; color: var(--ink-4); letter-spacing: 0.1em; }

/* ============ Page transition ============ */
.page-shell { animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* selection */
::selection { background: var(--gold); color: #0b0b0c; }

/* ============ Credentials matrix ============ */
.cred-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 880px) { .cred-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .cred-grid { grid-template-columns: 1fr; } }
.cred-card {
  border: 1px solid var(--line); background: var(--bg-1);
  padding: 26px 24px; border-radius: var(--r-md);
  display: flex; flex-direction: column; gap: 8px;
  transition: all 0.22s;
}
.cred-card:hover { border-color: var(--gold-deep); background: var(--bg-2); }
.cred-tag { font-family: var(--mono); font-size: 10px; letter-spacing: 0.22em; color: var(--gold); text-transform: uppercase; }
.cred-val { font-family: var(--serif); font-size: 26px; color: var(--ink); line-height: 1.15; }
.cred-note { color: var(--ink-3); font-size: 12.5px; line-height: 1.55; margin-top: 4px; }

/* ============ Leaders ============ */
.leaders-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 880px) { .leaders-grid { grid-template-columns: 1fr; } }
.leader-card {
  background: var(--bg-1); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 32px;
  display: flex; flex-direction: column; gap: 18px;
  transition: all 0.22s;
}
.leader-card:hover { border-color: var(--gold-deep); transform: translateY(-2px); }
.leader-avatar {
  width: 64px; height: 64px; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--gold-2), var(--gold-deep));
  display: flex; align-items: center; justify-content: center;
  color: #0b0b0c; font-family: var(--serif); font-weight: 500; font-size: 22px;
  letter-spacing: 0.05em;
  box-shadow: 0 8px 24px -10px rgba(200,162,90,0.4);
}
.leader-role { font-family: var(--mono); font-size: 11px; color: var(--gold); letter-spacing: 0.12em; text-transform: uppercase; }
.leader-bio { color: var(--ink-2); font-size: 14px; line-height: 1.7; }
.leader-focus { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 4px; }
.leader-focus span { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; padding: 4px 9px; border: 1px solid var(--line-2); color: var(--ink-3); border-radius: var(--r-pill); }

/* ============ Security page ============ */
.sec-pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 880px) { .sec-pillars { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .sec-pillars { grid-template-columns: 1fr; } }
.sec-card {
  background: var(--bg-1); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 28px 26px;
  display: flex; flex-direction: column; gap: 12px;
  transition: all 0.22s;
}
.sec-card:hover { border-color: var(--gold-deep); }
.sec-tag { font-family: var(--mono); font-size: 10px; letter-spacing: 0.2em; color: var(--gold); text-transform: uppercase; }
.sec-title { font-family: var(--serif); font-size: 22px; color: var(--ink); line-height: 1.2; }
.sec-desc { color: var(--ink-2); font-size: 13.5px; line-height: 1.7; }

.certs-row { display: flex; flex-wrap: wrap; gap: 10px; }
.cert-chip {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em;
  padding: 10px 16px; border: 1px solid var(--gold-deep);
  border-radius: var(--r-pill); color: var(--gold-2); background: rgba(200,162,90,0.04);
}
.docs-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 28px; padding: 0; list-style: none; }
@media (max-width: 600px) { .docs-list { grid-template-columns: 1fr; } }
.docs-list li {
  display: flex; align-items: baseline; gap: 12px;
  color: var(--ink-2); font-size: 14px; padding: 10px 0;
  border-bottom: 1px solid var(--line);
}
.docs-list li::before {
  content: "◆"; color: var(--gold); font-size: 9px;
}

/* ============ FAQ accordion ============ */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  border: 1px solid var(--line); background: var(--bg-1);
  border-radius: var(--r-md); overflow: hidden;
  transition: border-color 0.2s;
}
.faq-item.open { border-color: var(--gold-deep); }
.faq-q {
  width: 100%; text-align: left;
  padding: 22px 26px; display: flex; align-items: center; justify-content: space-between;
  gap: 24px; color: var(--ink); font-family: var(--serif); font-size: 19px;
  font-weight: 500; line-height: 1.3;
}
.faq-q .chev { color: var(--gold); font-family: var(--mono); font-size: 18px; transition: transform 0.25s; flex-shrink: 0; }
.faq-item.open .chev { transform: rotate(45deg); }
.faq-a {
  max-height: 0; overflow: hidden; transition: max-height 0.32s ease;
}
.faq-item.open .faq-a { max-height: 400px; }
.faq-a-inner {
  padding: 0 26px 24px; color: var(--ink-2); font-size: 14.5px; line-height: 1.75;
}

/* ============ Hero animated network ============ */
.hero-nodes { position: absolute; inset: 0; pointer-events: none; opacity: 0.5; }
.hero-nodes circle { fill: var(--gold); }
.hero-nodes line { stroke: var(--gold); stroke-width: 0.5; opacity: 0.25; }
.hero-nodes .pulse { animation: pulse 4s ease-in-out infinite; transform-origin: center; transform-box: fill-box; }
.hero-nodes .pulse-b { animation-delay: 1.2s; }
.hero-nodes .pulse-c { animation-delay: 2.4s; }
@keyframes pulse { 0%, 100% { opacity: 0.4; r: 1.6; } 50% { opacity: 1; r: 3; } }
.hero-nodes .flow {
  stroke-dasharray: 4 6; animation: dash 12s linear infinite;
}
@keyframes dash { to { stroke-dashoffset: -100; } }

/* ============ Updated footer ============ */
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr 1.2fr; gap: 48px; margin-bottom: 56px; }
@media (max-width: 980px) { .foot-grid { grid-template-columns: 1fr 1fr 1fr; } }
@media (max-width: 600px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
.foot-social {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--line-2); border-radius: var(--r-pill);
  padding: 8px 14px; color: var(--ink-2); font-size: 12px;
  transition: all 0.2s; margin-top: 10px;
}
.foot-social:hover { border-color: var(--gold); color: var(--gold-2); }
.foot-lang { display: inline-flex; gap: 6px; margin-top: 6px; }
.foot-lang button {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em;
  padding: 4px 10px; border: 1px solid var(--line-2); border-radius: var(--r-pill);
  color: var(--ink-3); transition: all 0.2s;
}
.foot-lang button.on { background: var(--gold); color: #0b0b0c; border-color: var(--gold); }
.foot-bottom { padding-top: 28px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; font-family: var(--mono); font-size: 11px; color: var(--ink-4); letter-spacing: 0.1em; }

/* ============ Case Studies ============ */
.case-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
.case-card {
  background: var(--bg-1); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 40px 36px;
  display: grid; grid-template-columns: 1fr 2fr; gap: 48px;
  transition: all 0.22s;
}
.case-card:hover { border-color: var(--gold-deep); }
@media (max-width: 900px) { .case-card { grid-template-columns: 1fr; gap: 24px; padding: 32px 26px; } }
.case-tag { font-family: var(--mono); font-size: 10px; letter-spacing: 0.22em; color: var(--gold); text-transform: uppercase; margin-bottom: 14px; }
.case-title { font-family: var(--serif-display); font-size: 28px; font-weight: 500; color: var(--ink); line-height: 1.18; letter-spacing: -0.005em; }
.case-h { font-family: var(--mono); font-size: 10px; letter-spacing: 0.2em; color: var(--ink-3); text-transform: uppercase; margin-bottom: 10px; }
.case-text { color: var(--ink-2); font-size: 14.5px; line-height: 1.7; margin-bottom: 22px; }
.case-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); padding-top: 20px; margin-top: 4px; }
.case-metric { padding-right: 16px; border-right: 1px solid var(--line); }
.case-metric:last-child { border-right: none; }
.case-metric-num { font-family: var(--serif-display); font-size: 32px; color: var(--gold-2); line-height: 1; font-weight: 500; }
.case-metric-lbl { font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; color: var(--ink-3); margin-top: 10px; text-transform: uppercase; line-height: 1.4; }
@media (max-width: 600px) { .case-metrics { grid-template-columns: 1fr; gap: 16px; } .case-metric { border-right: none; border-bottom: 1px solid var(--line); padding-bottom: 14px; } .case-metric:last-child { border-bottom: none; padding-bottom: 0; } }

/* ============ Whitepapers ============ */
.wp-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 880px) { .wp-grid { grid-template-columns: 1fr; } }
.wp-card {
  background: var(--bg-1); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 30px 28px;
  display: flex; flex-direction: column; gap: 14px;
  transition: all 0.22s; min-height: 280px;
  position: relative; overflow: hidden;
}
.wp-card:hover { border-color: var(--gold-deep); transform: translateY(-3px); }
.wp-card::after {
  content: ""; position: absolute; top: 0; right: 0; width: 80px; height: 80px;
  background: linear-gradient(135deg, transparent 50%, rgba(200,162,90,0.06) 50%);
}
.wp-meta { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em; color: var(--gold); text-transform: uppercase; }
.wp-title { font-family: var(--serif-display); font-size: 22px; font-weight: 500; color: var(--ink); line-height: 1.25; }
.wp-desc { color: var(--ink-2); font-size: 13.5px; line-height: 1.65; flex: 1; }
.wp-topics { display: flex; gap: 6px; flex-wrap: wrap; }
.wp-topics span { font-family: var(--mono); font-size: 10px; padding: 4px 10px; border: 1px solid var(--line-2); border-radius: var(--r-pill); color: var(--ink-3); letter-spacing: 0.1em; }
.wp-cta { font-family: var(--mono); font-size: 11px; color: var(--gold-2); letter-spacing: 0.15em; text-transform: uppercase; margin-top: 6px; display: inline-flex; align-items: center; gap: 8px; }

/* ============ Resources list ============ */
.res-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 720px) { .res-grid { grid-template-columns: 1fr; } }
.res-row {
  display: grid; grid-template-columns: 92px 1fr auto;
  gap: 22px; padding: 22px 24px;
  background: var(--bg-1); border: 1px solid var(--line);
  border-radius: var(--r-md);
  align-items: center;
  transition: all 0.2s;
}
.res-row:hover { border-color: var(--gold-deep); }
.res-tag { font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em; color: var(--gold); text-transform: uppercase; }
.res-title { font-family: var(--serif); font-size: 17px; color: var(--ink); line-height: 1.3; }
.res-desc { font-size: 12.5px; color: var(--ink-3); margin-top: 4px; line-height: 1.55; }
.res-cta {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.15em;
  color: var(--gold-2); border: 1px solid var(--gold-deep);
  padding: 7px 12px; border-radius: var(--r-pill); text-transform: uppercase;
  transition: all 0.2s; white-space: nowrap;
}
.res-cta:hover { background: var(--gold); color: #0b0b0c; }
@media (max-width: 600px) { .res-row { grid-template-columns: 1fr; gap: 10px; } .res-cta { justify-self: start; } }

/* ============ Newsletter ============ */
.news-block {
  background: linear-gradient(135deg, var(--bg-1), var(--bg-2));
  border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 56px 56px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  align-items: center;
  position: relative; overflow: hidden;
}
.news-block::before {
  content: ""; position: absolute; top: -50%; right: -10%; width: 400px; height: 400px;
  background: radial-gradient(circle, var(--gold-glow), transparent 60%);
  pointer-events: none;
}
@media (max-width: 880px) { .news-block { grid-template-columns: 1fr; gap: 32px; padding: 40px 32px; } }
.news-form { display: flex; gap: 10px; position: relative; }
.news-form input {
  flex: 1; background: var(--bg-3); border: 1px solid var(--line-2);
  color: var(--ink); padding: 14px 18px; font-family: var(--sans); font-size: 14px;
  border-radius: var(--r-pill); transition: all 0.2s;
}
.news-form input:focus { outline: none; border-color: var(--gold); }
.news-form button {
  background: var(--gold); color: #0b0b0c; font-family: var(--mono);
  font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 0 22px; border-radius: var(--r-pill);
  transition: all 0.2s;
}
.news-form button:hover { background: var(--gold-2); }
@media (max-width: 480px) { .news-form { flex-direction: column; } .news-form button { padding: 14px; } }



/* scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--bg-3); }
::-webkit-scrollbar-thumb:hover { background: var(--line-2); }