/* ============================================================
   SpeedHealth.ai — Health Intelligence Cortex
   Premium · clinical · cinematic · accessible
   ============================================================ */

:root {
  /* Palette */
  --navy-900: #060912;
  --navy-850: #070b14;
  --navy-800: #0a1020;
  --navy-700: #0e1830;
  --graphite: #0b0e16;
  --soft-white: #eef4ff;
  --cool-gray: #9fb0c8;
  --cool-gray-dim: #6c7c96;
  --teal: #1fd4c0;
  --teal-deep: #12a89a;
  --cyan: #4fd9ff;
  --cyan-electric: #6fe6ff;
  --pale-blue: #aecdf0;
  --violet: #9a8cff;
  --violet-soft: #b4a8ff;
  --lime: #c8ff5e; /* signal only */

  --line: rgba(140, 170, 210, 0.14);
  --line-strong: rgba(150, 185, 230, 0.28);
  --glass: rgba(18, 28, 50, 0.42);
  --glass-strong: rgba(16, 26, 46, 0.66);
  --glass-brd: rgba(150, 185, 230, 0.16);

  --shadow-soft: 0 20px 60px -28px rgba(0, 0, 0, 0.8);
  --shadow-glow: 0 0 50px -10px rgba(79, 217, 255, 0.18);

  --maxw: 1200px;
  --r-lg: 22px;
  --r-md: 16px;
  --r-sm: 11px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--soft-white);
  background: var(--navy-850);
  line-height: 1.6;
  font-size: 17px;
  letter-spacing: -0.01em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Background gradient wash behind everything */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(120% 80% at 70% -10%, rgba(31, 212, 192, 0.10), transparent 55%),
    radial-gradient(90% 70% at 10% 10%, rgba(79, 137, 255, 0.10), transparent 55%),
    radial-gradient(120% 120% at 50% 120%, rgba(154, 140, 255, 0.10), transparent 60%),
    linear-gradient(180deg, var(--navy-900), var(--navy-850) 40%, var(--graphite));
}

img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* Accessibility helpers */
.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 200;
  background: var(--cyan); color: #05202c; padding: 10px 16px;
  border-radius: 8px; font-weight: 600; transition: top .2s var(--ease);
}
.skip-link:focus { top: 12px; }

:focus-visible {
  outline: 2px solid var(--cyan-electric);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ============================================================
   Layout
   ============================================================ */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.narrow { max-width: 820px; }

.section {
  position: relative;
  z-index: 2;
  padding: clamp(90px, 13vh, 160px) 0;
}

.section-head { max-width: 720px; margin-bottom: 48px; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--teal);
  margin: 0 0 14px;
}

h1, h2, h3 { line-height: 1.12; letter-spacing: -0.03em; margin: 0 0 .5em; font-weight: 650; }
h1, h2 { text-shadow: 0 1px 26px rgba(6, 9, 18, 0.6); }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.9rem); }
h3 { font-size: 1.18rem; letter-spacing: -0.02em; }
.hero-sub, .hero .eyebrow { text-shadow: 0 1px 16px rgba(6, 9, 18, 0.7); }

.lead { color: var(--cool-gray); font-size: clamp(1.02rem, 1.5vw, 1.18rem); max-width: 60ch; }

.grad-text {
  background: linear-gradient(100deg, var(--cyan-electric), var(--teal) 55%, var(--violet-soft));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  --b: 1px;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 26px; border-radius: 999px; font-weight: 600; font-size: 0.98rem;
  cursor: pointer; border: var(--b) solid transparent; transition: all .25s var(--ease);
  will-change: transform; white-space: nowrap;
}
.btn-sm { padding: 9px 18px; font-size: 0.9rem; }
.btn-block { width: 100%; }
.btn-primary {
  color: #042029;
  background: linear-gradient(120deg, var(--cyan-electric), var(--teal));
  box-shadow: 0 10px 30px -10px rgba(79, 217, 255, 0.6);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -12px rgba(79, 217, 255, 0.7); }
.btn-ghost { color: var(--soft-white); border-color: var(--line-strong); background: rgba(255,255,255,0.02); }
.btn-ghost:hover { border-color: var(--cyan); background: rgba(79, 217, 255, 0.08); transform: translateY(-2px); }

/* ============================================================
   Cortex stage (persistent background visual)
   ============================================================ */
.cortex-stage { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
#cortex-canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; transition: opacity 1.2s var(--ease); }
#cortex-canvas.ready { opacity: 0.66; }

/* Readability scrim: dark backing weighted to the text column (left),
   fading to clear where the cortex glows (right). */
.cortex-scrim {
  position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(95deg,
    rgba(6,9,18,0.88) 0%,
    rgba(6,9,18,0.66) 34%,
    rgba(6,9,18,0.22) 56%,
    rgba(6,9,18,0) 72%);
}

.cortex-vignette {
  position: absolute; inset: 0;
  background: radial-gradient(75% 60% at 50% 42%, transparent 40%, rgba(6,9,18,0.55) 100%);
  pointer-events: none;
}

/* Static fallback cortex (CSS only) */
.cortex-fallback {
  position: absolute; inset: 0; display: grid; place-items: center; overflow: hidden;
}
.cortex-fallback.hide { display: none; }
.cf-core {
  width: 220px; height: 220px; border-radius: 50%;
  background: radial-gradient(circle, rgba(79,217,255,0.5), rgba(31,212,192,0.18) 45%, transparent 70%);
  filter: blur(6px);
}
.cf-ring { position: absolute; border: 1px solid var(--line-strong); border-radius: 50%; }
.cf-ring-1 { width: 320px; height: 320px; border-color: rgba(79,217,255,0.25); }
.cf-ring-2 { width: 470px; height: 470px; border-color: rgba(31,212,192,0.18); }
.cf-ring-3 { width: 640px; height: 640px; border-color: rgba(154,140,255,0.14); }
.cf-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(140,170,210,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140,170,210,0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(60% 60% at 50% 45%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(60% 60% at 50% 45%, #000 30%, transparent 75%);
}

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .3s var(--ease), border-color .3s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(7, 11, 20, 0.72);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border-bottom-color: var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }

.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 650; letter-spacing: -0.02em; }
.brand-mark {
  width: 26px; height: 26px; border-radius: 8px; position: relative;
  background: radial-gradient(circle at 35% 30%, var(--cyan-electric), var(--teal-deep));
  box-shadow: 0 0 18px -2px rgba(79,217,255,0.6);
}
.brand-mark::after {
  content: ""; position: absolute; inset: 6px; border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.7);
}
.brand-name { font-size: 1.12rem; }
.brand-dot { color: var(--teal); }

.nav { display: flex; align-items: center; }
.nav-menu { display: flex; align-items: center; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav-menu a { color: var(--cool-gray); font-size: 0.95rem; font-weight: 500; transition: color .2s var(--ease); }
.nav-menu a:hover { color: var(--soft-white); }
.nav-menu a.btn { color: #042029; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px; background: none; border: 0;
  cursor: pointer; padding: 8px; z-index: 110;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--soft-white); border-radius: 2px; transition: .3s var(--ease); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   Hero
   ============================================================ */
.hero { min-height: 100svh; display: flex; align-items: center; padding-top: 120px; }
.hero-inner { max-width: 780px; position: relative; }
.hero-title { font-size: clamp(2.5rem, 6.2vw, 4.6rem); font-weight: 680; margin-bottom: 24px; }
.hero-sub { color: var(--cool-gray); font-size: clamp(1.06rem, 1.8vw, 1.3rem); max-width: 56ch; margin: 0 0 36px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 54px; }

.trust-strip {
  display: flex; gap: 36px; flex-wrap: wrap; list-style: none; margin: 0; padding: 24px 0 0;
  border-top: 1px solid var(--line);
}
.trust-strip li { display: flex; flex-direction: column; }
.trust-strip strong { font-size: 1.25rem; color: var(--soft-white); }
.trust-strip span { font-size: 0.86rem; color: var(--cool-gray-dim); }

/* Floating hero UI panels */
.hero-panels { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.ui-panel {
  position: absolute; padding: 14px 16px; border-radius: var(--r-md);
  background: var(--glass); border: 1px solid var(--glass-brd);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-soft); display: flex; flex-direction: column; gap: 8px; min-width: 150px;
}
.ui-panel-a { top: 16%; right: 4%; }
.ui-panel-b { top: 48%; right: 12%; flex-direction: row; align-items: center; flex-wrap: wrap; }
.ui-panel-c { top: 72%; right: 2%; }
.up-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--cool-gray-dim); }
.up-value { font-size: 1.5rem; font-weight: 650; color: var(--cyan-electric); }
.up-bar { display: block; height: 6px; border-radius: 4px; background: rgba(255,255,255,0.08); overflow: hidden; }
.up-bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--teal), var(--cyan)); }
.up-chip { font-size: 0.72rem; padding: 4px 9px; border-radius: 999px; border: 1px solid var(--line-strong); color: var(--cool-gray); }
.up-chip.ok { color: #042029; background: linear-gradient(120deg, var(--teal), var(--cyan)); border-color: transparent; }
.up-spark {
  display: block; height: 34px; border-radius: 6px;
  background:
    linear-gradient(90deg, transparent, rgba(79,217,255,0.18)),
    repeating-linear-gradient(90deg, transparent 0 10px, rgba(79,217,255,0.25) 10px 11px);
  -webkit-mask: linear-gradient(90deg,#000,#000);
  position: relative;
}
.up-spark::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, var(--teal) 60%, transparent);
  clip-path: polygon(0 70%, 12% 55%, 24% 65%, 38% 30%, 52% 48%, 66% 22%, 80% 40%, 100% 18%, 100% 100%, 0 100%);
  opacity: .55;
}

.scroll-hint {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  width: 26px; height: 42px; border: 1.5px solid var(--line-strong); border-radius: 14px;
  pointer-events: auto;
}
.scroll-hint span {
  position: absolute; top: 8px; left: 50%; width: 4px; height: 8px; margin-left: -2px;
  background: var(--cyan); border-radius: 2px; animation: scrollDot 1.8s var(--ease) infinite;
}
@keyframes scrollDot { 0%{opacity:0;transform:translateY(0)} 30%{opacity:1} 80%{opacity:0;transform:translateY(14px)} 100%{opacity:0} }

/* ============================================================
   Story sections (problem / solution)
   ============================================================ */
.story .lead { margin-bottom: 40px; }

.frag-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; list-style: none; padding: 0; margin: 0; }
.frag {
  padding: 24px; border-radius: var(--r-md); background: var(--glass);
  border: 1px solid var(--glass-brd); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.frag h3 { color: var(--soft-white); margin-bottom: 8px; }
.frag p { margin: 0; color: var(--cool-gray); font-size: 0.96rem; }

.solution-flow { display: flex; align-items: center; gap: 0; flex-wrap: wrap; margin-top: 20px; }
.sf-node {
  padding: 12px 20px; border-radius: 999px; border: 1px solid var(--line-strong);
  background: var(--glass); font-weight: 600; font-size: 0.95rem; color: var(--cool-gray);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.sf-node.accent { color: #042029; background: linear-gradient(120deg, var(--cyan-electric), var(--teal)); border-color: transparent; }
.sf-line { flex: 1; min-width: 30px; height: 1px; background: linear-gradient(90deg, var(--teal), transparent); }

/* ============================================================
   Services (bento)
   ============================================================ */
.bento { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card {
  position: relative; padding: 26px; border-radius: var(--r-lg);
  background: var(--glass); border: 1px solid var(--glass-brd);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-soft); transition: transform .35s var(--ease), border-color .35s var(--ease);
  overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: 0; opacity: 0; transition: opacity .35s var(--ease);
  background: radial-gradient(80% 120% at 80% -20%, rgba(79,217,255,0.12), transparent 60%);
}
.card:hover { transform: translateY(-4px); border-color: var(--line-strong); }
.card:hover::before { opacity: 1; }
.card.span-2 { grid-column: span 2; }
.card h3 { color: var(--soft-white); margin-bottom: 8px; }
.card p { margin: 0; color: var(--cool-gray); font-size: 0.94rem; }
.card-ico {
  display: inline-block; width: 38px; height: 38px; margin-bottom: 16px; border-radius: 11px;
  background: linear-gradient(135deg, rgba(79,217,255,0.18), rgba(31,212,192,0.1));
  border: 1px solid var(--glass-brd); position: relative;
}
.card-ico::after {
  content: ""; position: absolute; inset: 9px;
  background: var(--cyan); -webkit-mask-size: contain; mask-size: contain;
  -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat; -webkit-mask-position: center; mask-position: center;
}
/* simple inline mask glyphs per icon */
.card-ico[data-ico="data"]::after { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cellipse cx='12' cy='5' rx='8' ry='3' fill='none' stroke='%23000' stroke-width='2'/%3E%3Cpath d='M4 5v14c0 1.7 3.6 3 8 3s8-1.3 8-3V5' fill='none' stroke='%23000' stroke-width='2'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cellipse cx='12' cy='5' rx='8' ry='3' fill='none' stroke='%23000' stroke-width='2'/%3E%3Cpath d='M4 5v14c0 1.7 3.6 3 8 3s8-1.3 8-3V5' fill='none' stroke='%23000' stroke-width='2'/%3E%3C/svg%3E"); }
.card-ico[data-ico="strategy"]::after { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3 20h18M6 16l4-5 3 3 5-7' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3 20h18M6 16l4-5 3 3 5-7' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); }
.card-ico[data-ico="flow"]::after { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Crect x='3' y='4' width='6' height='6' rx='1' fill='none' stroke='%23000' stroke-width='2'/%3E%3Crect x='15' y='14' width='6' height='6' rx='1' fill='none' stroke='%23000' stroke-width='2'/%3E%3Cpath d='M9 7h6a3 3 0 0 1 3 3v4' fill='none' stroke='%23000' stroke-width='2'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Crect x='3' y='4' width='6' height='6' rx='1' fill='none' stroke='%23000' stroke-width='2'/%3E%3Crect x='15' y='14' width='6' height='6' rx='1' fill='none' stroke='%23000' stroke-width='2'/%3E%3Cpath d='M9 7h6a3 3 0 0 1 3 3v4' fill='none' stroke='%23000' stroke-width='2'/%3E%3C/svg%3E"); }
.card-ico[data-ico="gov"]::after { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 3l8 3v6c0 5-3.5 8-8 9-4.5-1-8-4-8-9V6z' fill='none' stroke='%23000' stroke-width='2' stroke-linejoin='round'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 3l8 3v6c0 5-3.5 8-8 9-4.5-1-8-4-8-9V6z' fill='none' stroke='%23000' stroke-width='2' stroke-linejoin='round'/%3E%3C/svg%3E"); }
.card-ico[data-ico="safety"]::after { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 3l8 3v6c0 5-3.5 8-8 9-4.5-1-8-4-8-9V6z' fill='none' stroke='%23000' stroke-width='2' stroke-linejoin='round'/%3E%3Cpath d='M9 12l2 2 4-4' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 3l8 3v6c0 5-3.5 8-8 9-4.5-1-8-4-8-9V6z' fill='none' stroke='%23000' stroke-width='2' stroke-linejoin='round'/%3E%3Cpath d='M9 12l2 2 4-4' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); }
.card-ico[data-ico="aeo"]::after { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='11' cy='11' r='7' fill='none' stroke='%23000' stroke-width='2'/%3E%3Cpath d='M16 16l5 5' stroke='%23000' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='11' cy='11' r='7' fill='none' stroke='%23000' stroke-width='2'/%3E%3Cpath d='M16 16l5 5' stroke='%23000' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E"); }
.card-ico[data-ico="road"]::after { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 5h9a3 3 0 0 1 0 6H9a3 3 0 0 0 0 6h10' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round'/%3E%3Ccircle cx='5' cy='5' r='1.6' fill='%23000'/%3E%3Ccircle cx='19' cy='17' r='1.6' fill='%23000'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 5h9a3 3 0 0 1 0 6H9a3 3 0 0 0 0 6h10' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round'/%3E%3Ccircle cx='5' cy='5' r='1.6' fill='%23000'/%3E%3Ccircle cx='19' cy='17' r='1.6' fill='%23000'/%3E%3C/svg%3E"); }
.card-ico[data-ico="metric"]::after { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4 20V10M10 20V4M16 20v-7M22 20H2' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4 20V10M10 20V4M16 20v-7M22 20H2' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E"); }

.section-cta { margin-top: 44px; }

/* ============================================================
   Methodology (sticky)
   ============================================================ */
.method-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.method-sticky { position: sticky; top: 110px; align-self: start; }
.method-stack { margin-top: 30px; display: grid; gap: 8px; perspective: 800px; }
.ms-layer {
  padding: 12px 18px; border-radius: 10px; border: 1px solid var(--glass-brd);
  background: var(--glass); color: var(--cool-gray-dim); font-weight: 600; font-size: 0.9rem;
  transition: all .4s var(--ease); transform: translateZ(0);
}
.ms-layer.on { color: var(--soft-white); border-color: var(--teal); background: rgba(31,212,192,0.10); box-shadow: 0 0 24px -8px rgba(31,212,192,0.5); }

.method-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; }
.step {
  position: relative; padding: 24px 24px 24px 70px; border-radius: var(--r-md);
  background: var(--glass); border: 1px solid var(--glass-brd);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  transition: border-color .35s var(--ease), transform .35s var(--ease);
}
.step.is-current { border-color: var(--teal); transform: translateX(4px); }
.step-no {
  position: absolute; left: 24px; top: 24px; font-size: 0.85rem; font-weight: 700;
  color: var(--teal); font-variant-numeric: tabular-nums;
}
.step h3 { color: var(--soft-white); margin-bottom: 6px; }
.step p { margin: 0; color: var(--cool-gray); font-size: 0.95rem; }

/* ============================================================
   Capabilities (interactive map)
   ============================================================ */
.cap-map {
  position: relative; width: 100%; aspect-ratio: 16 / 9; max-height: 560px;
  border-radius: var(--r-lg); border: 1px solid var(--glass-brd); overflow: hidden;
  background: radial-gradient(60% 60% at 50% 50%, rgba(31,212,192,0.06), transparent 70%), var(--glass);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.cap-lines { position: absolute; inset: 0; width: 100%; height: 100%; }
.cap-lines line { stroke: var(--line-strong); stroke-width: 1; transition: stroke .3s var(--ease), stroke-width .3s var(--ease); }
.cap-lines line.lit { stroke: var(--cyan); stroke-width: 1.8; filter: drop-shadow(0 0 6px rgba(79,217,255,0.7)); }
.cap-nodes { position: absolute; inset: 0; }
.cap-node {
  position: absolute; left: var(--x); top: var(--y); transform: translate(-50%, -50%);
  padding: 10px 16px; border-radius: 999px; font-size: 0.86rem; font-weight: 600;
  color: var(--cool-gray); background: var(--glass-strong); border: 1px solid var(--line-strong);
  cursor: pointer; transition: all .25s var(--ease); white-space: nowrap;
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.cap-node:hover { color: var(--soft-white); border-color: var(--cyan); }
.cap-node.is-active {
  color: #042029; background: linear-gradient(120deg, var(--cyan-electric), var(--teal));
  border-color: transparent; box-shadow: 0 0 28px -6px rgba(79,217,255,0.7); transform: translate(-50%,-50%) scale(1.06);
}
.cap-node[data-cap="predict"] { font-size: 0.95rem; padding: 13px 22px; }

.cap-panels { margin-top: 22px; min-height: 96px; }
.cap-detail {
  padding: 22px 24px; border-radius: var(--r-md); background: var(--glass);
  border: 1px solid var(--glass-brd); display: none;
}
.cap-detail.is-active { display: block; animation: fadeUp .4s var(--ease); }
.cap-detail h3 { color: var(--cyan-electric); margin-bottom: 6px; }
.cap-detail p { margin: 0; color: var(--cool-gray); }

/* ============================================================
   Trust / governance
   ============================================================ */
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; list-style: none; padding: 0; margin: 0; }
.trust-card {
  padding: 22px; border-radius: var(--r-md); background: rgba(12,20,38,0.5);
  border: 1px solid var(--glass-brd); position: relative; transition: border-color .3s var(--ease);
}
.trust-card::before {
  content: ""; position: absolute; left: 22px; top: 22px; width: 28px; height: 2px;
  background: linear-gradient(90deg, var(--violet-soft), var(--cyan)); border-radius: 2px;
}
.trust-card h3 { color: var(--soft-white); margin: 18px 0 6px; font-size: 1.04rem; }
.trust-card p { margin: 0; color: var(--cool-gray); font-size: 0.9rem; }
.trust-card:hover { border-color: var(--violet); }

/* ============================================================
   Proof
   ============================================================ */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 40px; }
.metric { padding: 28px 24px; border-radius: var(--r-lg); background: var(--glass); border: 1px solid var(--glass-brd); }
.metric-num { font-size: clamp(2.6rem, 5vw, 3.6rem); font-weight: 700; letter-spacing: -0.04em; color: var(--cyan-electric); font-variant-numeric: tabular-nums; line-height: 1; }
.metric-unit { font-size: 1.6rem; font-weight: 700; color: var(--teal); }
.metric p { margin: 14px 0 0; color: var(--cool-gray); font-size: 0.92rem; }

.cases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.case { padding: 26px; border-radius: var(--r-lg); background: var(--glass); border: 1px solid var(--glass-brd); transition: transform .35s var(--ease), border-color .35s var(--ease); }
.case:hover { transform: translateY(-4px); border-color: var(--line-strong); }
.case-tag { display: inline-block; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--teal); margin-bottom: 12px; }
.case h3 { color: var(--soft-white); margin-bottom: 8px; }
.case p { margin: 0; color: var(--cool-gray); font-size: 0.93rem; }

/* ============================================================
   Final CTA
   ============================================================ */
.cta-final { padding-bottom: 140px; }
.cta-panel {
  padding: clamp(36px, 5vw, 64px); border-radius: 28px; text-align: center;
  background: var(--glass-strong); border: 1px solid var(--glass-brd);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-soft), var(--shadow-glow);
}
.cta-panel .lead { margin: 0 auto 30px; }
.cta-form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; text-align: left; max-width: 560px; margin: 0 auto; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field:nth-child(4), .cta-form .btn, .form-note { grid-column: 1 / -1; }
.field label { font-size: 0.82rem; color: var(--cool-gray); font-weight: 500; }
.field input, .field textarea {
  font-family: inherit; font-size: 0.95rem; color: var(--soft-white);
  background: rgba(7,11,20,0.6); border: 1px solid var(--line-strong); border-radius: 10px;
  padding: 12px 14px; transition: border-color .2s var(--ease); resize: vertical;
}
.field input:focus, .field textarea:focus { border-color: var(--cyan); outline: none; }
.form-note { font-size: 0.9rem; color: var(--teal); margin: 4px 0 0; min-height: 1.2em; text-align: center; }
.form-note.error { color: #ff8c8c; }

/* ============================================================
   FAQ
   ============================================================ */
.faq { padding-top: 0; }
.faq-list { display: grid; gap: 12px; }
.faq-item {
  padding: 18px 22px; border-radius: var(--r-md); background: var(--glass);
  border: 1px solid var(--glass-brd);
}
.faq-item summary { cursor: pointer; font-weight: 600; color: var(--soft-white); list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--teal); font-size: 1.4rem; line-height: 1; transition: transform .3s var(--ease); }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { margin: 14px 0 0; color: var(--cool-gray); font-size: 0.95rem; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer { position: relative; z-index: 2; border-top: 1px solid var(--line); background: rgba(6,9,18,0.6); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); padding: 56px 0 30px; }
.footer-inner { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; padding-bottom: 30px; border-bottom: 1px solid var(--line); }
.footer-brand { max-width: 340px; }
.footer-brand p { color: var(--cool-gray); font-size: 0.92rem; margin: 14px 0 0; }
.footer-nav { display: flex; gap: 22px; flex-wrap: wrap; align-items: center; }
.footer-nav a { color: var(--cool-gray); font-size: 0.92rem; transition: color .2s var(--ease); }
.footer-nav a:hover { color: var(--soft-white); }
.footer-base { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; padding-top: 24px; color: var(--cool-gray-dim); font-size: 0.84rem; }

/* ============================================================
   Reveal animations
   ============================================================ */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 980px) {
  .method-grid { grid-template-columns: 1fr; gap: 36px; }
  .method-sticky { position: relative; top: 0; }
  .bento { grid-template-columns: repeat(2, 1fr); }
  .card.span-2 { grid-column: span 2; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .cases { grid-template-columns: 1fr; }
  .ui-panel { display: none; }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed; inset: 0 0 0 auto; width: min(80vw, 320px);
    flex-direction: column; align-items: flex-start; justify-content: center; gap: 26px;
    padding: 40px; background: rgba(7,11,20,0.96); backdrop-filter: blur(20px);
    transform: translateX(100%); transition: transform .35s var(--ease);
    border-left: 1px solid var(--line);
  }
  .nav-menu.open { transform: none; }
  .nav-menu a { font-size: 1.1rem; }

  .frag-grid { grid-template-columns: 1fr; }
  .bento { grid-template-columns: 1fr; }
  .card.span-2 { grid-column: span 1; }
  .trust-grid { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .cta-form { grid-template-columns: 1fr; }
  .solution-flow { flex-direction: column; align-items: flex-start; gap: 10px; }
  .sf-line { width: 1px; height: 22px; min-width: 0; background: linear-gradient(180deg, var(--teal), transparent); margin-left: 18px; }
  .cap-node { font-size: 0.74rem; padding: 7px 11px; }
  .cap-node[data-cap="predict"] { font-size: 0.8rem; padding: 9px 14px; }
  .scroll-hint { display: none; }
  .cortex-vignette { background: radial-gradient(90% 70% at 50% 40%, transparent 30%, rgba(6,9,18,0.7) 100%); }
  /* On mobile the cortex is full-screen behind text, so darken more evenly */
  .cortex-scrim { background: linear-gradient(180deg, rgba(6,9,18,0.52) 0%, rgba(6,9,18,0.6) 50%, rgba(6,9,18,0.72) 100%); }
}

/* ============================================================
   Reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
  .scroll-hint span { animation: none; }
}