:root {
  --accent: #1E5FBF;
  --accent-soft: color-mix(in oklab, var(--accent) 12%, transparent);
  --accent-line: color-mix(in oklab, var(--accent) 36%, transparent);
  --bg: #FAFAF7;
  --ink: #0E1420;
  --ink-2: #3A4254;
  --ink-3: #6B7385;
  --hairline: color-mix(in oklab, var(--ink) 10%, transparent);
  --hairline-soft: color-mix(in oklab, var(--ink) 6%, transparent);
  --card: #FFFFFF;
  --gutter: clamp(20px, 5vw, 64px);
  --max: 1240px;
  --section-y: clamp(72px, 11vw, 144px);
  --display: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --sans: "Geist", ui-sans-serif, -apple-system, "Segoe UI", system-ui, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
}
[data-theme="dark"] {
  --bg: #0A0F1A;
  --ink: #ECEEF3;
  --ink-2: #B6BCCA;
  --ink-3: #7C8398;
  --hairline: color-mix(in oklab, #ffffff 12%, transparent);
  --hairline-soft: color-mix(in oklab, #ffffff 7%, transparent);
  --card: #0F1623;
  --accent-soft: color-mix(in oklab, var(--accent) 18%, transparent);
  --accent-line: color-mix(in oklab, var(--accent) 50%, transparent);
}
[data-density="compact"] { --section-y: clamp(56px, 8vw, 104px); }
[data-density="airy"]    { --section-y: clamp(96px, 14vw, 184px); }

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
::selection { background: var(--accent); color: #fff; }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }

.wrap { max-width: var(--max); margin: 0 auto; padding-inline: var(--gutter); }

/* ── NAV ─────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklab, var(--bg) 78%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 0.5px solid transparent;
  transition: border-color .2s, background .2s;
}
.nav.scrolled { border-bottom-color: var(--hairline); }
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 500; letter-spacing: -0.01em; }
.brand-mark { width: 22px; height: 22px; display: block; }
.brand-name { font-size: 16px; }
.nav-links { display: flex; gap: 28px; font-size: 13.5px; color: var(--ink-2); }
.nav-links a { transition: color .15s; }
.nav-links a:hover { color: var(--ink); }
.nav-cta {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 999px;
  background: var(--ink); color: var(--bg);
  font-size: 13px; font-weight: 500; letter-spacing: -0.005em;
  border: 0.5px solid var(--ink);
  transition: transform .15s, box-shadow .15s;
}
.nav-cta:hover { transform: translateY(-0.5px); box-shadow: 0 6px 18px -8px var(--ink); }
@media (max-width: 720px) { .nav-links { display: none; } }

/* ── HERO ────────────────────────────────────────────── */
.hero {
  position: relative;
  padding-top: clamp(80px, 14vw, 160px);
  padding-bottom: clamp(72px, 12vw, 140px);
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  pointer-events: none;
}
.hero-bg svg { width: 100%; height: 100%; display: block; }
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, var(--hairline-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--hairline-soft) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 80%);
  opacity: .5;
}
.hero-inner { position: relative; z-index: 2; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 11.5px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent);
  padding: 5px 12px;
  border: 0.5px solid var(--accent-line);
  background: var(--accent-soft);
  border-radius: 999px;
}
.eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in oklab, var(--accent) 60%, transparent); }
  50%      { box-shadow: 0 0 0 8px color-mix(in oklab, var(--accent) 0%, transparent); }
}

h1.display {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(44px, 7.4vw, 104px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 22px 0 24px;
  max-width: 16ch;
  text-wrap: balance;
}
h1.display em {
  font-style: italic;
  color: var(--accent);
  font-weight: 400;
}
.hero-sub {
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--ink-2);
  line-height: 1.5;
  max-width: 52ch;
  text-wrap: pretty;
  margin: 0 0 36px;
}

.hero-ctas { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 22px; border-radius: 999px;
  font-size: 14px; font-weight: 500; letter-spacing: -0.005em;
  border: 0.5px solid transparent;
  cursor: pointer;
  transition: transform .15s, box-shadow .15s, background .15s, border-color .15s;
}
.btn-primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 1px 0 0 color-mix(in oklab, #fff 30%, transparent) inset,
              0 8px 24px -10px var(--accent);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 12px 30px -10px var(--accent); }
.btn-ghost {
  background: transparent; color: var(--ink);
  border-color: var(--hairline);
}
.btn-ghost:hover { border-color: var(--ink); background: color-mix(in oklab, var(--ink) 4%, transparent); }
.btn .arrow { transition: transform .2s; }
.btn:hover .arrow { transform: translateX(2px); }

.hero-meta {
  display: flex; gap: clamp(20px, 4vw, 56px); align-items: center;
  margin-top: clamp(48px, 7vw, 80px);
  padding-top: 28px;
  border-top: 0.5px solid var(--hairline);
  font-size: 12.5px; color: var(--ink-3);
  flex-wrap: wrap;
}
.hero-meta .stat strong {
  display: block;
  font-family: var(--display);
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 400;
  color: var(--ink);
  line-height: 1;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}
.hero-meta .stat strong em { color: var(--accent); font-style: italic; }

/* ── LOGO STRIP ─────────────────────────────────────── */
.logos {
  border-top: 0.5px solid var(--hairline);
  border-bottom: 0.5px solid var(--hairline);
  padding: 28px 0;
}
.logos-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 40px; flex-wrap: wrap;
}
.logos-label {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-3); white-space: nowrap;
}
.logos-row {
  display: flex; align-items: center; gap: clamp(28px, 5vw, 56px);
  flex-wrap: wrap;
  color: var(--ink-3);
  font-family: var(--display); font-size: 22px; letter-spacing: -0.01em;
}
.logos-row span { opacity: .68; transition: opacity .2s, color .2s; }
.logos-row span:hover { opacity: 1; color: var(--ink); }

/* ── SECTIONS ───────────────────────────────────────── */
section.s { padding-block: var(--section-y); position: relative; }
.s + .s { border-top: 0.5px solid var(--hairline); }

.section-head {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(24px, 6vw, 96px);
  align-items: end;
  margin-bottom: clamp(40px, 6vw, 72px);
}
@media (max-width: 820px) { .section-head { grid-template-columns: 1fr; align-items: start; } }

.section-tag {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 11.5px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 18px;
}
.section-tag::before {
  content: ""; width: 16px; height: 0.5px; background: var(--ink-3);
}
.section-tag--center { justify-content: center; display: inline-flex; }
h2.section-title {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(34px, 4.8vw, 60px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  margin: 0;
  text-wrap: balance;
}
h2.section-title em { color: var(--accent); font-style: italic; }
.section-lede {
  font-size: clamp(15px, 1.3vw, 17px);
  color: var(--ink-2);
  line-height: 1.55;
  max-width: 48ch;
}

/* ── SERVICES ───────────────────────────────────────── */
.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 0.5px solid var(--hairline);
  border-bottom: 0.5px solid var(--hairline);
}
.service {
  padding: clamp(28px, 3vw, 40px) clamp(20px, 2.5vw, 32px);
  border-right: 0.5px solid var(--hairline);
  position: relative;
  transition: background .25s;
}
.service:last-child { border-right: 0; }
.service:hover { background: color-mix(in oklab, var(--accent) 3%, transparent); }
.service-num {
  font-family: var(--mono); font-size: 11px;
  color: var(--ink-3); letter-spacing: 0.06em;
  margin-bottom: clamp(48px, 6vw, 80px);
}
.service-icon {
  width: 36px; height: 36px;
  color: var(--accent);
  margin-bottom: 24px;
}
.service h3 {
  font-family: var(--display); font-weight: 400;
  font-size: clamp(22px, 2.2vw, 28px);
  line-height: 1.1; letter-spacing: -0.01em;
  margin: 0 0 12px;
}
.service p {
  font-size: 14.5px; color: var(--ink-2); line-height: 1.55;
  margin: 0 0 20px;
}
.service ul {
  list-style: none; padding: 0; margin: 0;
  font-size: 13px; color: var(--ink-3);
  display: flex; flex-direction: column; gap: 7px;
}
.service ul li {
  display: flex; align-items: center; gap: 8px;
}
.service ul li::before {
  content: ""; width: 4px; height: 4px; border-radius: 50%;
  background: var(--accent); flex-shrink: 0;
}
@media (max-width: 920px) {
  .services { grid-template-columns: 1fr; }
  .service { border-right: 0; border-bottom: 0.5px solid var(--hairline); }
  .service:last-child { border-bottom: 0; }
}

/* ── PROCESS ────────────────────────────────────────── */
.process-stage {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.process-stage::before {
  content: ""; position: absolute;
  left: 0; right: 0; top: 56px;
  height: 1px;
  background: var(--hairline);
}
.step {
  position: relative;
  padding: 0 24px 0 0;
}
.step + .step { padding-left: 24px; border-left: 0.5px solid var(--hairline); }
.step-marker {
  position: relative; z-index: 2;
  width: 28px; height: 28px;
  background: var(--bg);
  border: 0.5px solid var(--hairline);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-top: 42px;
  margin-bottom: 28px;
  font-family: var(--mono); font-size: 11px;
  color: var(--ink-2);
  transition: all .2s;
}
.step:hover .step-marker { border-color: var(--accent); color: var(--accent); }
.step h4 {
  font-family: var(--display); font-weight: 400;
  font-size: clamp(20px, 2vw, 24px);
  margin: 0 0 8px; letter-spacing: -0.01em;
}
.step p { font-size: 13.5px; color: var(--ink-2); line-height: 1.5; margin: 0; }
.step-time {
  font-family: var(--mono); font-size: 10.5px;
  color: var(--ink-3); letter-spacing: 0.06em;
  margin-top: 16px; display: block;
}
@media (max-width: 820px) {
  .process-stage { grid-template-columns: 1fr; }
  .process-stage::before { display: none; }
  .step { padding: 24px 0 !important; border-left: 0 !important; border-top: 0.5px solid var(--hairline); }
  .step:first-child { border-top: 0; }
  .step-marker { margin-top: 0; }
}

/* ── METRICS / RESULTS ─────────────────────────────── */
.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 0.5px solid var(--hairline);
  border-radius: 18px;
  overflow: hidden;
  background: var(--card);
}
.metric {
  padding: clamp(28px, 3vw, 40px);
  border-right: 0.5px solid var(--hairline);
  position: relative;
}
.metric:last-child { border-right: 0; }
.metric-num {
  font-family: var(--display); font-weight: 400;
  font-size: clamp(40px, 5.5vw, 72px);
  line-height: 1; letter-spacing: -0.02em;
  color: var(--ink); margin: 0 0 8px;
  display: flex; align-items: baseline; gap: 4px;
}
.metric-num em { color: var(--accent); font-style: italic; font-size: 0.7em; }
.metric-label {
  font-size: 13.5px; color: var(--ink-2); line-height: 1.4;
  max-width: 24ch;
}
.metric-trend {
  position: absolute; top: 24px; right: 24px;
  font-family: var(--mono); font-size: 10.5px;
  color: var(--accent);
  letter-spacing: 0.06em;
}
@media (max-width: 920px) {
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .metric:nth-child(2) { border-right: 0; }
  .metric:nth-child(1), .metric:nth-child(2) { border-bottom: 0.5px solid var(--hairline); }
}
@media (max-width: 540px) {
  .metrics { grid-template-columns: 1fr; }
  .metric { border-right: 0; border-bottom: 0.5px solid var(--hairline); }
  .metric:last-child { border-bottom: 0; }
}

/* ── USE CASES ─────────────────────────────────────── */
.cases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.case {
  background: var(--card);
  border: 0.5px solid var(--hairline);
  border-radius: 16px;
  padding: 28px;
  transition: transform .25s, border-color .25s, box-shadow .25s;
  display: flex; flex-direction: column;
}
.case:hover {
  transform: translateY(-2px);
  border-color: var(--accent-line);
  box-shadow: 0 18px 40px -24px color-mix(in oklab, var(--accent) 60%, transparent);
}
.case-tag {
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}
.case h4 {
  font-family: var(--display); font-weight: 400;
  font-size: 22px; line-height: 1.15; letter-spacing: -0.01em;
  margin: 0 0 10px;
}
.case p { font-size: 13.5px; color: var(--ink-2); line-height: 1.55; margin: 0 0 22px; }
.case-result {
  margin-top: auto;
  padding-top: 18px;
  border-top: 0.5px solid var(--hairline);
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 12px; color: var(--ink-3);
}
.case-result strong {
  font-family: var(--display); font-weight: 400;
  font-size: 18px; color: var(--ink); letter-spacing: -0.01em;
}
@media (max-width: 920px) { .cases { grid-template-columns: 1fr; } }

/* ── SECURITY/PILLARS ──────────────────────────────── */
.pillars {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1px;
  background: var(--hairline);
  border: 0.5px solid var(--hairline);
  border-radius: 18px;
  overflow: hidden;
}
.pillar {
  background: var(--bg);
  padding: clamp(24px, 3vw, 36px);
}
.pillar-icon {
  width: 24px; height: 24px;
  color: var(--accent);
  margin-bottom: 20px;
}
.pillar h4 {
  font-family: var(--display); font-weight: 400;
  font-size: 20px; letter-spacing: -0.01em;
  margin: 0 0 8px;
}
.pillar p { font-size: 13.5px; color: var(--ink-2); line-height: 1.5; margin: 0; }
@media (max-width: 820px) { .pillars { grid-template-columns: 1fr; } }

/* ── FAQ ───────────────────────────────────────────── */
.faq-list { border-top: 0.5px solid var(--hairline); }
.faq-item {
  border-bottom: 0.5px solid var(--hairline);
  padding: 22px 0;
  cursor: pointer;
}
.faq-q {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 24px;
  font-family: var(--display); font-size: clamp(20px, 2vw, 24px);
  font-weight: 400; letter-spacing: -0.01em;
  color: var(--ink);
}
.faq-toggle {
  width: 28px; height: 28px; flex-shrink: 0;
  border: 0.5px solid var(--hairline); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-2);
  transition: transform .25s, border-color .2s, color .2s;
}
.faq-item.open .faq-toggle { transform: rotate(45deg); border-color: var(--accent); color: var(--accent); }
.faq-a {
  font-size: 14.5px; color: var(--ink-2); line-height: 1.6;
  max-width: 64ch;
  max-height: 0; overflow: hidden;
  transition: max-height .3s ease, margin-top .3s ease;
}
.faq-item.open .faq-a {
  max-height: 240px;
  margin-top: 14px;
}

/* ── CTA ───────────────────────────────────────────── */
.cta {
  position: relative;
  padding-block: clamp(80px, 12vw, 140px);
  overflow: hidden;
}
.cta-bg {
  position: absolute; inset: 0; pointer-events: none; z-index: 0;
}
.cta-bg svg { width: 100%; height: 100%; display: block; }
.cta-inner {
  position: relative; z-index: 2;
  text-align: center;
  max-width: 36ch;
  margin: 0 auto;
}
.cta h2 {
  font-family: var(--display); font-weight: 400;
  font-size: clamp(36px, 5.5vw, 72px);
  line-height: 1.0; letter-spacing: -0.02em;
  margin: 12px 0 18px;
  text-wrap: balance;
}
.cta h2 em { color: var(--accent); font-style: italic; }
.cta p {
  color: var(--ink-2); font-size: 16px;
  margin: 0 0 32px;
  text-wrap: pretty;
}

/* ── FOOTER ────────────────────────────────────────── */
footer.f {
  border-top: 0.5px solid var(--hairline);
  padding-block: 48px;
  color: var(--ink-3);
  font-size: 12.5px;
}
.f-inner {
  display: flex; justify-content: space-between; align-items: center;
  gap: 24px; flex-wrap: wrap;
}
.f-links { display: flex; gap: 24px; }
.f-links a:hover { color: var(--ink); }

/* ── ENTRANCE ANIMATIONS ──────────────────────────── */
.reveal {
  opacity: 0; transform: translateY(14px);
  transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1);
}
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .08s; }
.reveal[data-d="2"] { transition-delay: .16s; }
.reveal[data-d="3"] { transition-delay: .24s; }
.reveal[data-d="4"] { transition-delay: .32s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
  * { animation: none !important; transition: none !important; }
}