:root {
  --ink: #0b1724;
  --ink-2: #13253a;
  --bg: #ffffff;
  --bg-alt: #f3f6f9;
  --surface: #ffffff;
  --text: #142233;
  --muted: #55657a;
  --border: #e0e6ee;
  --accent: #0d7d6c;
  --accent-strong: #09604f;
  --accent-bright: #5eead4;
  --accent-soft: #e2f5f1;
  --on-accent: #ffffff;
  --notice-bg: #fff7e6;
  --notice-border: #ecc56b;
  --shadow-sm: 0 1px 2px rgba(11, 23, 36, 0.06);
  --shadow: 0 2px 4px rgba(11, 23, 36, 0.04), 0 12px 32px rgba(11, 23, 36, 0.08);
  --radius: 16px;
  --max: 1160px;
  font-family: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1620;
    --bg-alt: #121c28;
    --surface: #16212e;
    --text: #e7edf4;
    --muted: #a3b1c2;
    --border: #243244;
    --accent: #3cc7ad;
    --accent-strong: #66d8c2;
    --accent-soft: #123631;
    --on-accent: #06201b;
    --notice-bg: #2c2515;
    --notice-border: #8a6f2e;
    --shadow-sm: none;
    --shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 76px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 { line-height: 1.15; margin: 0 0 0.5em; font-family: "Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system, Roboto, sans-serif; }
h1 { font-size: clamp(2.3rem, 5.4vw, 3.9rem); letter-spacing: -0.03em; font-weight: 750; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); letter-spacing: -0.02em; font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 650; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }

a { color: var(--accent); }
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--accent-bright);
  outline-offset: 3px;
  border-radius: 8px;
}

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .container { padding: 0 32px; } }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 16px; top: -100px; z-index: 100;
  background: var(--accent); color: var(--on-accent);
  padding: 8px 14px; border-radius: 8px; text-decoration: none;
}
.skip-link:focus { top: 12px; }

/* ---------- Header (sits on the dark hero) ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 23, 36, 0.86);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: #fff;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 68px; gap: 16px; }

.brand { display: inline-flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 750; font-size: 1.25rem; letter-spacing: -0.01em; }
.brand-accent { color: var(--accent-bright); }
.brand-mark { width: 32px; height: 32px; }
.brand-bg { fill: #0d7d6c; }
.brand-fg { fill: #fff; }

.nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 4px; align-items: center; }
.nav a {
  display: block; padding: 8px 14px; border-radius: 999px;
  color: rgba(255, 255, 255, 0.82); text-decoration: none; font-weight: 550; font-size: 0.98rem;
  transition: color .15s, background-color .15s;
}
.nav a:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }
.nav .nav-cta { background: var(--accent-bright); color: var(--ink); margin-left: 6px; }
.nav .nav-cta:hover { background: #99f6e4; color: var(--ink); }

.nav-toggle {
  display: none; width: 44px; height: 44px; position: relative; cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.2); border-radius: 12px; background: transparent;
}
.nav-toggle-bar, .nav-toggle-bar::before, .nav-toggle-bar::after {
  position: absolute; left: 11px; width: 20px; height: 2px; background: #fff; content: ""; border-radius: 2px;
  transition: transform .2s, top .2s, opacity .2s;
}
.nav-toggle-bar { top: 21px; }
.nav-toggle-bar::before { left: 0; top: -6px; }
.nav-toggle-bar::after { left: 0; top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after { top: 0; transform: rotate(-45deg); }

@media (max-width: 800px) {
  .nav-toggle { display: inline-block; }
  .nav {
    display: none; position: absolute; left: 0; right: 0; top: 68px;
    background: var(--ink); border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 8px 16px 20px;
  }
  .nav.is-open { display: block; }
  .nav ul { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav a { padding: 12px 14px; border-radius: 10px; }
  .nav .nav-cta { margin: 8px 0 0; text-align: center; }
}
.no-js .nav { display: block; position: static; padding: 0; border: 0; background: none; }
.no-js .nav-toggle { display: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  color: #e9f1f8;
  background:
    radial-gradient(800px 420px at 85% 10%, rgba(94, 234, 212, 0.16), transparent 60%),
    radial-gradient(600px 400px at 0% 100%, rgba(56, 128, 220, 0.14), transparent 60%),
    var(--ink);
  padding: clamp(56px, 9vw, 112px) 0 clamp(64px, 9vw, 112px);
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse at 60% 40%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 60% 40%, #000 30%, transparent 75%);
}
.hero-grid { position: relative; display: grid; gap: 48px; align-items: center; grid-template-columns: 1fr; }
@media (min-width: 960px) { .hero-grid { grid-template-columns: 1.15fr 0.85fr; } }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 14px; border-radius: 999px;
  border: 1px solid rgba(94, 234, 212, 0.3); background: rgba(94, 234, 212, 0.08);
  color: var(--accent-bright); font-weight: 600; font-size: 0.85rem; letter-spacing: 0.02em;
  margin-bottom: 24px;
}
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent-bright); box-shadow: 0 0 0 4px rgba(94, 234, 212, 0.18); }

.hero h1 { color: #fff; max-width: 15ch; }
.hero h1 em { font-style: normal; color: #b8f5ea; }
.hero h1 .hl {
  color: var(--ink); background: var(--accent-bright);
  padding: 0 0.18em; border-radius: 0.18em;
  -webkit-box-decoration-break: clone; box-decoration-break: clone;
}
.lead { font-size: clamp(1.1rem, 1.8vw, 1.25rem); color: #b4c3d3; max-width: 56ch; margin-top: 20px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.hero-visual { margin: 0; justify-self: center; width: 100%; max-width: 460px; }
.hero-visual svg { width: 100%; height: auto; display: block; }
.v-people circle { fill: rgba(255, 255, 255, 0.06); stroke: rgba(255, 255, 255, 0.35); stroke-width: 1.5; }
.v-people-head circle { fill: #dbe6f0; }
.v-people-head path { fill: none; stroke: #dbe6f0; stroke-width: 3; stroke-linecap: round; }
.v-lines path { fill: none; stroke-width: 2; stroke-dasharray: 5 6; }
.v-process rect { fill: var(--ink-2); stroke: rgba(94, 234, 212, 0.45); stroke-width: 1.5; }
.v-process-bars rect { fill: rgba(255, 255, 255, 0.28); }
.v-process-bars rect:nth-child(odd) { fill: rgba(94, 234, 212, 0.75); }
.v-value-ring { fill: none; stroke: rgba(94, 234, 212, 0.35); stroke-width: 1.5; animation: pulse 2.4s ease-in-out infinite; transform-origin: 372px 180px; }
.v-value { fill: #5eead4; }
.v-check { fill: none; stroke: var(--ink); stroke-width: 3.5; stroke-linecap: round; stroke-linejoin: round; }
.v-pulses circle { fill: #5eead4; }
@keyframes pulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.12); opacity: .5; } }
.hero-legend {
  display: flex; justify-content: space-between; padding: 6px 4px 0;
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: #8ea3b8;
}
@media (max-width: 959px) { .hero-visual { max-width: 380px; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .v-pulses { display: none; }
  .v-value-ring { animation: none; }
}

/* ---------- Buttons ---------- */
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 50px; padding: 0 24px; border-radius: 12px;
  font-weight: 650; text-decoration: none; border: 1px solid transparent;
  transition: background-color .15s, transform .15s, box-shadow .15s;
}
.button:hover { transform: translateY(-1px); }
.button-primary { background: var(--accent-bright); color: var(--ink); box-shadow: 0 8px 24px rgba(94, 234, 212, 0.25); }
.button-primary:hover { background: #99f6e4; }
.button-ghost { color: #fff; border-color: rgba(255, 255, 255, 0.25); }
.button-ghost:hover { background: rgba(255, 255, 255, 0.08); }
.button-light { background: #fff; color: var(--ink); }
.button-light:hover { background: #e9fbf7; }
.button-large { min-height: 60px; padding: 0 28px; font-size: 1.1rem; overflow-wrap: anywhere; }
.button svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linejoin: round; flex: none; }

/* ---------- Pillars ---------- */
.pillars { background: var(--bg); border-bottom: 1px solid var(--border); }
.pillars-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.pillar { padding: 40px 28px 36px 0; }
.pillar + .pillar { border-left: 1px solid var(--border); padding-left: 28px; }
@media (max-width: 799px) {
  .pillar { padding: 28px 0; }
  .pillar + .pillar { border-left: 0; border-top: 1px solid var(--border); padding-left: 0; }
}
.pillar-num { font-weight: 700; font-size: 0.85rem; color: var(--accent); letter-spacing: 0.08em; }
.pillar h2 { font-size: 1.5rem; margin: 6px 0 8px; }
.pillar p { color: var(--muted); margin: 0; max-width: 34ch; }

/* ---------- Sections ---------- */
.section { padding: clamp(64px, 10vw, 112px) 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 680px; margin-bottom: 44px; }
.kicker { font-size: 0.85rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
.kicker-light { color: var(--accent-bright); }
.section-intro { color: var(--muted); font-size: 1.12rem; margin: 0; }

.cards { display: grid; gap: 22px; grid-template-columns: 1fr; }
@media (min-width: 600px) and (max-width: 899px) { .cards { grid-template-columns: 1fr; max-width: 560px; } }
@media (min-width: 900px) { .cards { grid-template-columns: repeat(3, 1fr); } }
.card {
  position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px; box-shadow: var(--shadow-sm);
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); }
.card p { color: var(--muted); margin: 0; }
.card-icon {
  width: 48px; height: 48px; padding: 11px; margin-bottom: 20px; border-radius: 12px;
  background: var(--accent-soft); fill: none; stroke: var(--accent); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
}
.checks { list-style: none; margin: 18px 0 0; padding: 18px 0 0; border-top: 1px solid var(--border); display: grid; gap: 8px; }
.checks li { position: relative; padding-left: 26px; font-size: 0.97rem; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: 0.42em; width: 16px; height: 16px; border-radius: 50%;
  background: var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.2l2.2 2.2 4.8-4.8' fill='none' stroke='%230d7d6c' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 16px no-repeat;
}

/* ---------- Timeline ---------- */
.timeline { list-style: none; margin: 0; padding: 0; display: grid; gap: 28px; grid-template-columns: repeat(4, 1fr); position: relative; }
.timeline::before {
  content: ""; position: absolute; top: 22px; left: 22px; right: 22px; height: 2px;
  background: linear-gradient(90deg, var(--accent), color-mix(in srgb, var(--accent) 20%, transparent));
}
.timeline li { position: relative; }
.t-num {
  position: relative; display: grid; place-items: center; width: 46px; height: 46px; margin-bottom: 20px;
  border-radius: 50%; background: var(--accent); color: var(--on-accent); font-weight: 750; font-size: 1.1rem;
  box-shadow: 0 0 0 6px var(--bg-alt);
}
.timeline p { color: var(--muted); margin: 0; }
@media (max-width: 899px) {
  .timeline { grid-template-columns: 1fr; gap: 0; }
  .timeline::before { top: 22px; bottom: 22px; left: 22px; right: auto; width: 2px; height: auto; background: var(--accent); opacity: .35; }
  .timeline li { padding: 0 0 32px 70px; }
  .timeline li:last-child { padding-bottom: 0; }
  .t-num { position: absolute; left: 0; top: -8px; }
}

/* ---------- Solutions ---------- */
.solutions { display: grid; gap: 22px; grid-template-columns: 1fr; }
@media (min-width: 600px) and (max-width: 899px) { .solutions { max-width: 560px; } }
@media (min-width: 900px) { .solutions { grid-template-columns: repeat(3, 1fr); } }
.solution {
  display: flex; flex-direction: column; gap: 22px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px; box-shadow: var(--shadow-sm); position: relative; overflow: hidden;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.solution::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-bright));
}
.solution:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); }
.solution-head { display: flex; align-items: center; gap: 14px; }
.solution-head h3 { margin: 0; }
.solution-icon {
  width: 44px; height: 44px; padding: 10px; flex: none; border-radius: 12px;
  background: var(--accent-soft); fill: none; stroke: var(--accent); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
}
.solution-body { margin: 0; display: grid; gap: 16px; }
.solution-body dt { font-size: 0.75rem; font-weight: 750; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.solution-body div:last-child dt { color: var(--accent); }
.solution-body dd { margin: 0; }
.solution-body div:first-child dd { color: var(--muted); }
.solution-tags { list-style: none; margin: auto 0 0; padding: 18px 0 0; border-top: 1px solid var(--border); display: flex; flex-wrap: wrap; gap: 8px; }
.solution-tags li {
  font-size: 0.82rem; font-weight: 600; padding: 4px 12px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent);
}

/* ---------- Contact ---------- */
.contact { padding: 0 0 clamp(64px, 10vw, 112px); }
.contact-card {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 28px;
  padding: clamp(32px, 6vw, 64px); border-radius: 24px; color: #dbe6f0;
  background:
    radial-gradient(500px 300px at 100% 0%, rgba(94, 234, 212, 0.22), transparent 60%),
    var(--ink);
}
.contact-card h2 { color: #fff; }
.contact-card p:last-child { margin: 0; color: #b4c3d3; max-width: 48ch; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 28px 0; color: var(--muted); font-size: 0.95rem; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }
.footer-inner p { margin: 0; }
.footer-inner strong { color: var(--text); }
