/* -------------------------------------------------------------
   Tokens
------------------------------------------------------------- */
:root {
  /* Color */
  --bg:          #ffffff;
  --bg-soft:     #f7f8fa;
  --bg-panel:    #fbfcfd;
  --ink:         #0B1E3F;          /* deep navy (primary) */
  --ink-2:       #1a2d52;
  --ink-soft:    #475571;
  --ink-mute:    #7d879c;
  --line:        #e6e9ef;
  --line-2:      #eef1f5;
  --accent:      #0A66FF;          /* electric blue */
  --accent-ink:  #0549c2;
  --accent-soft: #e8efff;
  --logo-blue:   #19c8cd;

  /* Type */
  --font-sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-serif: "Instrument Serif", "Times New Roman", serif;
  --font-mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Scale */
  --container: 1240px;
  --gutter: clamp(20px, 4vw, 40px);
  --radius: 14px;
  --radius-sm: 10px;

  /* Motion */
  --ease: cubic-bezier(.2,.7,.2,1);
  --ease-out: cubic-bezier(.16,.84,.28,1);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

::selection { background: var(--ink); color: #fff; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* -------------------------------------------------------------
   Typography utilities
------------------------------------------------------------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 18px; height: 1px;
  background: var(--ink-soft);
  display: inline-block;
}

h1,h2,h3,h4 {
  color: var(--ink);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin: 0;
}

.display {
  font-size: clamp(52px, 8.5vw, 128px);
  letter-spacing: -0.035em;
  font-weight: 500;
  line-height: .98;
}
.h-section {
  font-size: clamp(34px, 4.6vw, 62px);
  letter-spacing: -0.028em;
  font-weight: 500;
  line-height: 1.04;
}
.h-3 {
  font-size: clamp(22px, 2vw, 28px);
  letter-spacing: -0.02em;
  font-weight: 500;
}

.lead {
  font-size: clamp(18px, 1.4vw, 21px);
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 58ch;
  font-weight: 400;
}
.muted { color: var(--ink-soft); }

/* -------------------------------------------------------------
   Buttons
------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 15px;
  letter-spacing: -0.005em;
  transition: transform .3s var(--ease), background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: var(--ink);
  color: #fff;
}
.btn-primary:hover { background: var(--accent); }
.btn-primary .arrow { transition: transform .3s var(--ease); }
.btn-primary:hover .arrow { transform: translateX(3px); }

.btn-ghost {
  color: var(--ink);
  border: 1px solid var(--line);
  background: #fff;
}
.btn-ghost:hover { border-color: var(--ink); }

.btn-link {
  color: var(--ink);
  font-weight: 500;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 0;
  border-bottom: 1px solid transparent;
  transition: color .2s, border-color .2s;
}
.btn-link:hover { color: var(--accent); border-color: var(--accent); }

/* -------------------------------------------------------------
   Nav
------------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  --nav-pad: 14px;
  padding: 14px 0;
  background: transparent;
  border-bottom: 1px solid transparent;
  pointer-events: none;
  transition: padding .25s var(--ease);
}
.nav.is-scrolled {
  --nav-pad: 8px;
  padding: 8px 0;
  background: transparent;
  border-bottom-color: transparent;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  /* min-height: 52px; */
  pointer-events: auto;
  transition: min-height .25s var(--ease), max-width .25s var(--ease), padding .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.nav.is-scrolled .nav-inner {
  min-height: 38px;
  max-width: min(980px, calc(100% - 28px));
  padding: 0 10px 0 14px;
  border: 1px solid rgba(230,233,239,.9);
  border-radius: 999px;
  background: rgba(255,255,255,.9);
  box-shadow: 0 18px 52px -32px rgba(11,30,63,.45);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
}
.nav.is-scrolled .brand-logo {
  max-height: 60px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 500;
  letter-spacing: -0.01em;
}
.brand-logo {
  width: 150px;
  height: auto;
  object-fit: contain;
  object-position: left center;
}
.brand-name { font-size: 16px; }

.nav-links {
  display: flex;
  gap: 6px;
  align-items: center;
}
.nav-link {
  position: relative;
  color: var(--ink-soft);
  font-size: 14.5px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 999px;
  transition: color .2s, background .2s, padding .25s var(--ease), font-size .25s var(--ease);
}
.nav.is-scrolled .nav-link {
  font-size: 13px;
  padding: 4px 9px;
}
.nav-link:hover { color: var(--ink); }
.nav-link.is-active { color: var(--ink); }
.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 3px;
  height: 1px;
  background: var(--ink);
  transform-origin: left;
  animation: underline .35s var(--ease);
}
@keyframes underline { from { transform: scaleX(0); } to { transform: scaleX(1); } }

.nav-cta { margin-left: 8px; height: 38px; padding: 0 16px; font-size: 14px; }
.nav.is-scrolled .nav-cta {
  height: 28px;
  padding: 0 11px;
  font-size: 13px;
}

.nav-toggle { display: none; }
.mobile-menu { display: none; }

@media (max-width: 860px) {
  .nav {
    --mobile-nav-width: min(980px, calc(100% - 28px));
  }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-inner {
    position: relative;
    z-index: 70;
  }
  .nav.is-menu-open .nav-inner {
    min-height: 76px;
    max-width: var(--mobile-nav-width);
    padding: 0 20px 0 22px;
    border: 1px solid var(--line);
    border-bottom-color: transparent;
    border-radius: 28px 28px 0 0;
    background: rgba(255,255,255,.96);
    box-shadow: none;
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
  }
  .nav.is-menu-open .brand-logo {
    max-height: 60px;
  }
  .nav-toggle {
    position: relative;
    z-index: 72;
    display: inline-flex;
    align-items: center; justify-content: center;
    width: 52px; height: 52px; border-radius: 999px;
    border: 1px solid var(--line); background: #fff;
    color: var(--ink);
    transition: border-color .2s, box-shadow .2s, color .2s;
  }
  .nav-toggle:hover,
  .nav-toggle:focus-visible {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-soft);
    outline: none;
  }
  .nav-toggle-line {
    transform-box: fill-box;
    transform-origin: center;
    transition: transform .22s var(--ease), opacity .18s var(--ease);
  }
  .nav-toggle[aria-expanded="true"] .nav-toggle-line-top {
    transform: translateY(6px) rotate(45deg);
  }
  .nav-toggle[aria-expanded="true"] .nav-toggle-line-mid {
    opacity: 0;
  }
  .nav-toggle[aria-expanded="true"] .nav-toggle-line-bottom {
    transform: translateY(-6px) rotate(-45deg);
  }
  .mobile-menu {
    display: block;
    position: absolute;
    top: calc(100% - var(--nav-pad) - 1px);
    left: 50%;
    width: var(--mobile-nav-width);
    background: #fff;
    border: 1px solid var(--line);
    border-top: 0;
    border-radius: 0 0 28px 28px;
    padding: 44px 28px 28px;
    box-shadow: 0 20px 60px -20px rgba(11,30,63,.18);
    transform-origin: top right;
    transform: translateX(-50%) translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: transform .25s var(--ease), opacity .2s var(--ease);
    z-index: 60;
  }
  .mobile-menu.is-open { transform: translateX(-50%) translateY(0); opacity: 1; pointer-events: auto; }
  .mobile-menu a { display: flex; align-items: center; min-height: 48px; padding: 12px 28px; border-radius: 12px; font-size: 17px; font-weight: 500; }
  .mobile-menu a:hover,
  .mobile-menu a:focus-visible { background: var(--bg-soft); outline: none; }
  .mobile-menu .btn-primary { margin-top: 10px; width: 100%; justify-content: center; }
}

@media (max-width: 520px) {
  .nav {
    --mobile-nav-width: calc(100% - 28px);
  }
  .nav.is-menu-open .nav-inner {
    min-height: 72px;
    padding: 0 20px;
  }
  .mobile-menu {
    padding: 36px 24px 24px;
  }
  .mobile-menu a {
    padding-left: 28px;
    padding-right: 28px;
    font-size: 18px;
  }
}

/* -------------------------------------------------------------
   Hero
------------------------------------------------------------- */
.hero {
  position: relative;
  padding: 180px 0 120px;
  overflow: hidden;
}
.hero-grid {
  position: absolute; inset: 0;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 40%, transparent 80%);
}
.hero-grid svg { width: 100%; height: 100%; }

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
}
.hero h1 { max-width: 14ch; }
.hero .lead { font-size: clamp(19px, 1.6vw, 24px); color: var(--ink-2); max-width: 44ch; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }

.hero-meta {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 0;
  border-top: 1px solid var(--line);
  padding-top: 24px;
  max-width: 720px;
}
.hero-meta > div { padding-right: 20px; }
.hero-meta dt {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 8px;
  font-weight: 500;
}
.hero-meta dd {
  margin: 0;
  font-size: 15px;
  color: var(--ink-2);
  line-height: 1.35;
}

/* Water-like reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  filter: blur(6px);
  transition:
    opacity 1.4s cubic-bezier(.22,.9,.28,1),
    transform 1.4s cubic-bezier(.22,.9,.28,1),
    filter 1.4s cubic-bezier(.22,.9,.28,1);
  will-change: opacity, transform, filter;
}
.reveal.in { opacity: 1; transform: none; filter: blur(0); }
.reveal.delay-1 { transition-delay: .08s; }
.reveal.delay-2 { transition-delay: .16s; }
.reveal.delay-3 { transition-delay: .24s; }
.reveal.delay-4 { transition-delay: .32s; }
.reveal.delay-5 { transition-delay: .40s; }
.reveal.delay-6 { transition-delay: .48s; }

/* Flow variants */
.flow-up   { opacity: 0; transform: translateY(36px); filter: blur(8px);
  transition: opacity 1.4s cubic-bezier(.22,.9,.28,1), transform 1.4s cubic-bezier(.22,.9,.28,1), filter 1.4s cubic-bezier(.22,.9,.28,1);
  will-change: opacity, transform, filter; }
.flow-up.in { opacity: 1; transform: none; filter: blur(0); }

.flow-left  { opacity: 0; transform: translateX(-36px); filter: blur(6px);
  transition: opacity 1.4s cubic-bezier(.22,.9,.28,1), transform 1.4s cubic-bezier(.22,.9,.28,1), filter 1.4s cubic-bezier(.22,.9,.28,1); }
.flow-left.in { opacity: 1; transform: none; filter: blur(0); }

.flow-right { opacity: 0; transform: translateX(36px); filter: blur(6px);
  transition: opacity 1.4s cubic-bezier(.22,.9,.28,1), transform 1.4s cubic-bezier(.22,.9,.28,1), filter 1.4s cubic-bezier(.22,.9,.28,1); }
.flow-right.in { opacity: 1; transform: none; filter: blur(0); }

.flow-scale { opacity: 0; transform: translateY(20px) scale(.96); filter: blur(8px);
  transition: opacity 1.4s cubic-bezier(.22,.9,.28,1), transform 1.4s cubic-bezier(.22,.9,.28,1), filter 1.4s cubic-bezier(.22,.9,.28,1); }
.flow-scale.in { opacity: 1; transform: none; filter: blur(0); }

@media (prefers-reduced-motion: reduce) {
  .reveal, .flow-up, .flow-left, .flow-right, .flow-scale {
    opacity: 1 !important; transform: none !important; filter: none !important;
  }
}

/* -------------------------------------------------------------
   Section shell
------------------------------------------------------------- */
section { position: relative; }
.section {
  padding: clamp(90px, 12vw, 160px) 0;
}
.section-soft { background: var(--bg-soft); }
.section-ink { background: var(--ink); color: #fff; }
.section-ink h1, .section-ink h2, .section-ink h3 { color: #fff; }
.section-ink .muted, .section-ink .lead { color: rgba(255,255,255,.66); }
.section-ink .eyebrow { color: rgba(255,255,255,.6); }
.section-ink .eyebrow::before { background: rgba(255,255,255,.35); }

.section-head { display: grid; gap: 18px; max-width: 820px; margin-bottom: clamp(40px, 5vw, 72px); }

/* -------------------------------------------------------------
   Guided Entry
------------------------------------------------------------- */
.guided-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
@media (max-width: 980px) { .guided-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .guided-grid { grid-template-columns: 1fr; } }

.guided-card {
  position: relative;
  display: flex;
  flex-direction: column;
  text-align: left;
  padding: 26px 24px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-height: 240px;
  transition: border-color .3s var(--ease), transform .4s var(--ease), box-shadow .4s var(--ease), background .3s;
  overflow: hidden;
  cursor: pointer;
}
.guided-card:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
  box-shadow: 0 20px 50px -30px rgba(11,30,63,.25);
}
.guided-card[aria-expanded="true"] {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
}
.guided-card[aria-expanded="true"] .guided-icon { color: #fff; }
.guided-card[aria-expanded="true"] .guided-num { color: rgba(255,255,255,.6); }
.guided-card[aria-expanded="true"] .guided-desc { color: rgba(255,255,255,.78); }
.guided-card[aria-expanded="true"] .guided-link { color: #fff; border-color: rgba(255,255,255,.4); }
.guided-card[aria-expanded="true"] .guided-link:hover { border-color: #fff; }

.guided-top {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 28px;
}
.guided-icon { color: var(--ink); transition: color .3s; }
.guided-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ink-mute);
  font-weight: 500;
}
.guided-title {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin: 0 0 8px;
}
.guided-desc {
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.5;
  max-height: 0; overflow: hidden;
  transition: max-height .5s var(--ease), margin-top .4s var(--ease);
}
.guided-card[aria-expanded="true"] .guided-desc { max-height: 180px; margin-top: 4px; }

.guided-link {
  margin-top: auto;
  padding-top: 18px;
  font-size: 13.5px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink);
  opacity: .85;
  transition: opacity .3s, gap .3s;
}
.guided-link:hover { gap: 10px; opacity: 1; }

/* -------------------------------------------------------------
   Process (horizontal)
------------------------------------------------------------- */
.process-wrap {
  position: relative;
}
.process-pin {
  position: sticky;
  top: 0;
  height: 100vh;
  min-height: 640px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.process-header {
  padding: clamp(60px, 9vw, 90px) var(--gutter) 28px;
  max-width: var(--container);
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
}
.process-header .h-section { max-width: 16ch; }
.process-progress {
  display: flex;
  gap: 8px;
  align-items: center;
}
.process-progress .dot {
  width: 38px; height: 3px; border-radius: 2px;
  background: rgba(255,255,255,.18);
  transition: background .4s var(--ease);
}
.process-progress .dot.is-active { background: var(--accent); }

.process-track-outer {
  flex: 1;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.process-track {
  display: flex;
  gap: 22px;
  padding: 0 var(--gutter) 80px;
  will-change: transform;
  transition: transform .1s linear; /* driven by JS */
}
.process-step {
  flex: 0 0 min(640px, 78vw);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 20px;
  padding: 40px 40px 36px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 24px;
  min-height: 460px;
  position: relative;
  overflow: hidden;
  transition: border-color .5s var(--ease), background .5s var(--ease);
}
.process-step.is-active {
  border-color: rgba(10,102,255,.6);
  background: linear-gradient(180deg, rgba(10,102,255,.08), rgba(10,102,255,.02));
}
.process-step-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: rgba(255,255,255,.5);
  display: flex; gap: 12px; align-items: center;
}
.process-step-num strong { color: var(--accent); font-weight: 500; }
.process-step-title {
  font-size: clamp(34px, 3.8vw, 54px);
  letter-spacing: -0.03em;
  font-weight: 500;
  line-height: 1;
  font-family: var(--font-serif);
  font-style: italic;
  color: #fff;
}
.process-step-body {
  font-size: 17px;
  line-height: 1.55;
  color: rgba(255,255,255,.75);
  max-width: 48ch;
}
.process-step-value {
  display: flex; gap: 10px; align-items: center;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,.1);
  font-size: 14px;
  color: rgba(255,255,255,.9);
}
.process-step-value svg { color: var(--accent); flex-shrink: 0; }

.process-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.45);
  display: flex; align-items: center; gap: 10px;
  pointer-events: none;
}
.process-hint .bar { width: 30px; height: 1px; background: rgba(255,255,255,.3); position: relative; overflow: hidden; }
.process-hint .bar::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, #fff, transparent);
  animation: swipe 2.4s infinite var(--ease);
}
@keyframes swipe { 0% { transform: translateX(-100%); } 100% { transform: translateX(100%); } }

/* mobile process fallback */
@media (max-width: 820px) {
  .process-wrap { height: auto !important; }
  .process-pin {
    position: static;
    height: auto;
    min-height: 0;
  }
  .process-header {
    flex-direction: column;
    align-items: flex-start;
    padding-bottom: 24px;
  }
  .process-progress { display: none; }
  .process-track-outer { overflow: visible; }
  .process-track {
    flex-direction: column;
    transform: none !important;
    padding-bottom: 80px;
    gap: 14px;
  }
  .process-step { flex: 0 0 auto; min-height: 0; width: 100%; padding: 32px; }
  .process-step-title { font-size: 38px; }
  .process-hint { display: none; }
}

/* -------------------------------------------------------------
   Solutions
------------------------------------------------------------- */
.sol-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
@media (max-width: 820px) { .sol-grid { grid-template-columns: 1fr; } }

.sol-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 34px 32px;
  background: #fff;
  display: grid;
  gap: 22px;
  align-content: start;
  transition: border-color .3s, transform .4s var(--ease), box-shadow .4s var(--ease);
}
.sol-card:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
  box-shadow: 0 20px 50px -30px rgba(11,30,63,.18);
}

.sol-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.sol-scene {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.sol-title {
  font-size: 28px;
  letter-spacing: -0.02em;
  font-weight: 500;
  line-height: 1.1;
}
.sol-visual {
  width: 56px; height: 56px;
  border: 1px solid var(--line-2);
  border-radius: 12px;
  display: grid; place-items: center;
  color: var(--ink);
  background: var(--bg-soft);
  flex-shrink: 0;
}

.sol-body { display: grid; gap: 14px; }
.sol-row { display: grid; grid-template-columns: 92px 1fr; gap: 18px; align-items: baseline; }
.sol-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 500;
  padding-top: 3px;
}
.sol-text {
  font-size: 15.5px;
  color: var(--ink-2);
  line-height: 1.55;
}
.sol-text strong { color: var(--ink); font-weight: 500; }
.sol-summary {
  margin: -4px 0 0;
  color: var(--ink-2);
  font-size: 16px;
  line-height: 1.6;
}
.sol-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.sol-tags span {
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  background: var(--bg-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .04em;
  line-height: 1;
  padding: 8px 10px;
  text-transform: uppercase;
}
.sol-link {
  width: fit-content;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  border: 1px solid var(--line-2);
  border-radius: 999px;
  padding: 0 16px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: border-color .2s, background .2s, color .2s, transform .2s;
}
.sol-link:hover,
.sol-link:focus-visible {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
  transform: translateY(-1px);
}

@media (max-width: 520px) {
  .sol-row { grid-template-columns: 1fr; gap: 4px; }
  .sol-card { padding: 28px 24px; }
  .sol-link { width: 100%; justify-content: center; text-align: center; }
}

/* -------------------------------------------------------------
   About
------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: flex-start;
}
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; } }

.about-copy p {
  font-size: clamp(18px, 1.5vw, 21px);
  line-height: 1.5;
  color: var(--ink-2);
  margin: 0 0 22px;
  max-width: 46ch;
}
.about-copy p:last-child { margin-bottom: 0; }

.pillars {
  display: grid;
  gap: 2px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.pillar {
  background: #fff;
  padding: 26px 28px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 22px;
  align-items: flex-start;
}
.pillar-idx {
  font-family: var(--font-mono);
  font-size: 12px; color: var(--accent);
  letter-spacing: .08em; font-weight: 500;
  padding-top: 4px;
}
.pillar h3 { font-size: 18px; font-weight: 500; margin: 0 0 6px; letter-spacing: -0.015em; }
.pillar p { margin: 0; font-size: 14.5px; color: var(--ink-soft); line-height: 1.55; }

/* -------------------------------------------------------------
   Final CTA
------------------------------------------------------------- */
.cta-final {
  text-align: center;
  padding: clamp(100px, 14vw, 180px) 0;
  background: var(--ink);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-final::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 50% 40% at 50% 0%, rgba(10,102,255,.16), transparent 70%);
  pointer-events: none;
}
.cta-final .container { position: relative; }
.cta-final .h-section { color: #fff; max-width: 18ch; margin: 0 auto 24px; }
.cta-final .lead { color: rgba(255,255,255,.7); margin: 0 auto 36px; max-width: 50ch; }
.cta-final .btn-primary { background: #fff; color: var(--ink); height: 52px; padding: 0 26px; font-size: 16px; }
.cta-final .btn-primary:hover { background: var(--accent); color: #fff; }
.cta-final .btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.22); height: 52px; padding: 0 22px; }
.cta-final .btn-ghost:hover { border-color: #fff; }
.cta-final-actions { display: inline-flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.cta-contact-row {
  margin-top: 46px;
  display: inline-flex;
  gap: 36px;
  flex-wrap: wrap;
  justify-content: center;
  font-size: 14.5px;
  color: rgba(255,255,255,.6);
}
.cta-contact-row a { color: #fff; border-bottom: 1px solid rgba(255,255,255,.2); padding-bottom: 2px; transition: border-color .2s; }
.cta-contact-row a:hover { border-color: var(--accent); }

/* -------------------------------------------------------------
   Footer
------------------------------------------------------------- */
.footer {
  padding: 40px 0 48px;
  border-top: 1px solid var(--line);
  background: #fff;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-left { display: flex; align-items: center; gap: 14px; color: var(--ink-soft); font-size: 13.5px; }
.footer-logo {
  width: 150px;
  height: 150px;
  object-fit: contain;
  object-position: left center;
}
.footer-credit {
  width: 100%;
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-size: 13.5px;
  line-height: 1.4;
  text-align: center;
}
.footer-credit a {
  color: var(--ink);
  font-weight: 500;
  border-bottom: 1px solid var(--line);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.footer-credit a:hover,
.footer-credit a:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
  outline: none;
}
.footer-links { display: flex; gap: 12px; flex-wrap: wrap; font-size: 13.5px; color: var(--ink-soft); }
.footer-icon-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--ink-2);
  font-weight: 500;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}
.footer-icon-link:hover {
  color: var(--accent);
  border-color: var(--accent-soft);
  background: var(--accent-soft);
}
.footer-icon { flex-shrink: 0; }

@media (max-width: 520px) {
  .footer-inner { align-items: flex-start; }
  .footer-logo { width: 120px; height: 120px; }
  .footer-credit { text-align: left; padding: 0 var(--gutter); }
}

/* -------------------------------------------------------------
   Misc — SVG hero grid
------------------------------------------------------------- */
.node-dot { fill: var(--ink); opacity: .14; }
.node-dot.on { fill: var(--logo-blue); opacity: 1; }
.node-line { stroke: var(--ink); stroke-width: 1; opacity: .06; }

/* -------------------------------------------------------------
   Factual revision additions
------------------------------------------------------------- */
.founder-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: clamp(28px, 4vw, 42px);
  background:
    radial-gradient(circle at 50% 0%, rgba(10,102,255,.12), transparent 42%),
    #fff;
  box-shadow: 0 30px 80px -50px rgba(11,30,63,.35);
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 24px;
}
.founder-photo-wrap {
  width: clamp(190px, 24vw, 270px);
  aspect-ratio: 1;
  border-radius: 999px;
  padding: 8px;
  background:
    linear-gradient(#fff, #fff) padding-box,
    linear-gradient(145deg, rgba(10,102,255,.75), rgba(11,30,63,.2), rgba(10,102,255,.25)) border-box;
  border: 1px solid transparent;
  box-shadow: 0 24px 60px -36px rgba(11,30,63,.55);
}
.founder-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 999px;
}
.founder-card-copy {
  display: grid;
  gap: 10px;
  max-width: 44ch;
}
.founder-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
}
.founder-card-copy h3 {
  font-size: clamp(26px, 3vw, 36px);
  font-family: var(--font-serif);
  font-style: italic;
}
.founder-card-copy p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.55;
}
.certificate-card {
  margin: 4px 0 0;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--bg-soft);
  padding: 12px;
  text-align: left;
}
.certificate-card img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--line-2);
}
.certificate-card figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ink-soft);
}
.philosophy {
  background:
    linear-gradient(120deg, rgba(10,102,255,.08), transparent 46%),
    #fff;
}
.philosophy-grid,
.vision-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 86px);
  align-items: start;
}
.philosophy-copy,
.vision-copy {
  display: grid;
  gap: 20px;
}
.philosophy-copy p,
.vision-copy p {
  margin: 0;
  font-size: clamp(18px, 1.5vw, 21px);
  line-height: 1.55;
  color: var(--ink-2);
}
.vision {
  padding: clamp(90px, 12vw, 160px) 0;
}
.vision-copy p {
  color: rgba(255,255,255,.74);
}
.promise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.promise-card {
  min-height: 260px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 30px 28px;
  display: grid;
  align-content: space-between;
  gap: 24px;
  transition: transform .4s var(--ease), border-color .3s var(--ease), box-shadow .4s var(--ease);
}
.promise-card:hover {
  transform: translateY(-2px);
  border-color: var(--ink);
  box-shadow: 0 20px 50px -30px rgba(11,30,63,.18);
}
.promise-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--accent);
  font-weight: 500;
}
.promise-card h3 {
  font-size: clamp(28px, 3vw, 42px);
  font-family: var(--font-serif);
  font-style: italic;
}
.promise-card p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.55;
}
@media (max-width: 900px) {
  .philosophy-grid,
  .vision-grid,
  .promise-grid {
    grid-template-columns: 1fr;
  }
  .promise-card {
    min-height: 0;
  }
}


/* -------------------------------------------------------------
   Trace the network (3D scenarios)
------------------------------------------------------------- */
.trace-wrap{position:relative}
.trace-pin{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;isolation:isolate}
.trace.is-3d .trace-pin::before{content:"";position:absolute;inset:0;z-index:0;background:radial-gradient(ellipse 55% 50% at 22% 28%,rgba(25,200,205,.07),transparent 72%),linear-gradient(180deg,#fff 0%,var(--bg-soft) 100%)}
.trace-canvas{position:absolute;inset:0;width:100%;height:100%;display:block;z-index:1;mask-image:radial-gradient(ellipse 96% 94% at 50% 48%,#000 74%,transparent 100%);-webkit-mask-image:radial-gradient(ellipse 96% 94% at 50% 48%,#000 74%,transparent 100%)}
.trace-head{position:absolute;left:0;right:0;top:0;z-index:3;padding-top:clamp(70px,9vw,110px);pointer-events:none;will-change:opacity,transform}
.trace-head .section-head{margin-bottom:0;pointer-events:auto}
.trace-cards{z-index:3}
.trace.is-3d .trace-cards{position:absolute;inset:0;pointer-events:none}
.trace.is-3d .sol-card{position:absolute;width:clamp(340px,40vw,440px);opacity:0;transform:translate3d(0,-50%,0) translateX(34px) scale(.985);filter:blur(6px);transition:opacity .8s var(--ease),transform 1s var(--ease),filter .8s var(--ease);pointer-events:none;padding:26px 26px 22px;gap:12px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,255,255,.9);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 30px 70px -45px rgba(11,30,63,.32);will-change:opacity,transform}
.trace.is-3d .sol-card[data-side="left"]{transform:translate3d(0,-50%,0) translateX(-34px) scale(.985)}
.trace.is-3d .sol-card.is-active,.trace.is-3d .sol-card.is-active:hover{opacity:1;transform:translate3d(0,-50%,0);filter:blur(0);pointer-events:auto;border-color:var(--line);box-shadow:0 30px 70px -45px rgba(11,30,63,.32)}
.trace.is-3d .sol-visual{display:none}
.trace.is-3d .sol-scene{color:var(--accent)}
.trace.is-3d .sol-title{font-size:21px;margin-top:6px}
.trace.is-3d .sol-summary,.trace.is-3d .sol-tags{display:none}
@media (min-height:860px){.trace.is-3d .sol-tags{display:flex}.trace.is-3d .sol-summary{display:block}}
.trace.is-3d .sol-summary,.trace.is-3d .sol-text{font-size:13.5px;line-height:1.5}
.trace.is-3d .sol-body{gap:10px;padding-top:12px;border-top:1px solid rgba(11,30,63,.08)}
.trace.is-3d .sol-row{grid-template-columns:72px 1fr;gap:12px}
.trace.is-3d .sol-link{min-height:40px;font-size:13.5px}
.trace-progress{position:absolute;z-index:3;right:var(--gutter);top:50%;transform:translateY(-50%);display:grid;gap:10px}
.trace-progress .dot{width:2px;height:40px;border-radius:2px;background:rgba(11,30,63,.12);transition:background .6s var(--ease),height .6s var(--ease)}
.trace-progress .dot.is-active{background:var(--logo-blue);height:56px;box-shadow:0 0 12px rgba(25,200,205,.5)}
.trace-hud{position:absolute;z-index:3;left:var(--gutter);bottom:34px;pointer-events:none;opacity:0;transform:translateY(10px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.trace-hud.is-on{opacity:1;transform:none}
.trace-hud-idx{font-family:var(--font-serif);font-style:italic;font-size:clamp(56px,6vw,88px);line-height:.9;color:var(--ink);letter-spacing:-.03em;display:flex;align-items:baseline;gap:10px;transition:opacity .22s var(--ease),transform .22s var(--ease)}
.trace-hud-idx .of{font-family:var(--font-mono);font-style:normal;font-size:12px;letter-spacing:.1em;color:var(--ink-mute)}
.trace-hud-title{font-family:var(--font-serif);font-style:italic;font-size:clamp(22px,2.2vw,30px);color:var(--ink-2);letter-spacing:-.01em;margin-top:8px;transition:opacity .22s var(--ease),transform .22s var(--ease)}
.trace-hud.is-swap .trace-hud-idx,.trace-hud.is-swap .trace-hud-title{opacity:0;transform:translateY(8px)}
.trace-hud-coord{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-mute);margin-top:14px;font-variant-numeric:tabular-nums}
.trace-hint{position:absolute;z-index:3;bottom:28px;left:50%;transform:translateX(-50%);font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-mute);display:flex;align-items:center;gap:10px;pointer-events:none;white-space:nowrap}
.trace-hint .bar{width:30px;height:1px;background:rgba(11,30,63,.25);position:relative;overflow:hidden}
.trace-hint .bar::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,var(--ink),transparent);animation:swipe 2.4s infinite var(--ease)}
/* fallback: mobile, reduced motion, no WebGL */
.trace:not(.is-3d) .trace-pin{position:static;height:auto;min-height:0;overflow:visible;padding:clamp(90px,12vw,160px) 0}
.trace:not(.is-3d) .trace-canvas,.trace:not(.is-3d) .trace-progress,.trace:not(.is-3d) .trace-hint,.trace:not(.is-3d) .trace-hud{display:none}
.trace:not(.is-3d) .trace-head{position:static;padding-top:0;pointer-events:auto}
.trace:not(.is-3d) .trace-head .section-head{margin-bottom:clamp(40px,5vw,72px)}
.trace:not(.is-3d) .trace-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
@media (max-width:820px){.trace:not(.is-3d) .trace-cards{grid-template-columns:1fr}}
.trace.is-3d .sol-text{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
@media (max-height:780px){.trace.is-3d .sol-card{padding:20px 22px 18px}.trace.is-3d .sol-text{-webkit-line-clamp:2}.trace.is-3d .sol-link{display:none}.trace.is-3d .sol-title{font-size:19px}}

/* -------------------------------------------------------------
   Legal pages (privacy)
------------------------------------------------------------- */
.legal-header { padding: 20px 0; border-bottom: 1px solid var(--line); }
.legal { padding: clamp(48px, 8vw, 96px) 0; }
.legal-inner { max-width: 760px; }
.legal h1 { font-size: clamp(34px, 4.6vw, 54px); letter-spacing: -0.028em; font-weight: 500; line-height: 1.08; margin: 0 0 8px; }
.legal h2 { font-size: clamp(20px, 2vw, 24px); letter-spacing: -0.02em; font-weight: 500; margin: 36px 0 8px; }
.legal p, .legal li { color: var(--ink-soft); font-size: 16.5px; line-height: 1.65; }
.legal p { margin: 0 0 14px; }
.legal ul { margin: 0 0 14px; padding-left: 22px; }
.legal a { color: var(--accent); border-bottom: 1px solid var(--accent-soft); }
.legal a:hover, .legal a:focus-visible { border-color: var(--accent); outline: none; }
.legal-date { font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-mute); }