@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
  --bg: #f5f7f9;
  --surface: #ffffff;
  --surface-2: #eef3f7;
  --text: #0b1117;
  --muted: #5e6a75;
  --line: rgba(11, 17, 23, 0.12);
  --blue-1: #08b9e6;
  --blue-2: #0d75c8;
  --blue-3: #07549a;
  --dark: #07121b;
  --dark-2: #0b1a25;
  --max: 1220px;
  --radius: 22px;
  --radius-sm: 14px;
  --shadow: 0 24px 70px rgba(5, 31, 51, 0.10);
  --transition: 220ms ease;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }

::selection { background: rgba(8, 185, 230, 0.25); }

.container {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.section { padding: 112px 0; position: relative; }
.section-sm { padding: 72px 0; }
.section-dark { background: var(--dark); color: #fff; }
.section-blue {
  background: linear-gradient(135deg, var(--blue-1), var(--blue-2) 62%, var(--blue-3));
  color: #fff;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--blue-2);
}
.section-dark .eyebrow,
.section-blue .eyebrow { color: #8ce7ff; }
.eyebrow::before {
  content: '';
  width: 28px;
  height: 2px;
  background: currentColor;
}

h1, h2, h3, h4 {
  margin: 0;
  font-family: 'Space Grotesk', Arial, sans-serif;
  line-height: 1.08;
  letter-spacing: -0.035em;
}
h1 { font-size: clamp(48px, 7vw, 96px); }
h2 { font-size: clamp(38px, 5vw, 66px); }
h3 { font-size: clamp(24px, 2.6vw, 36px); }
h4 { font-size: 20px; }
p { margin: 0; }
.lead {
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.55;
  color: var(--muted);
}
.section-dark .lead,
.section-blue .lead { color: rgba(255,255,255,.72); }
.section-title { max-width: 840px; }
.section-title .lead { margin-top: 24px; max-width: 760px; }

.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue-1), var(--blue-2));
  box-shadow: 0 14px 28px rgba(13, 117, 200, .24);
}
.btn-primary:hover { box-shadow: 0 18px 34px rgba(13, 117, 200, .34); }
.btn-secondary { background: transparent; border-color: var(--line); }
.btn-secondary:hover { background: #fff; border-color: rgba(11, 17, 23, .22); }
.section-dark .btn-secondary,
.section-blue .btn-secondary { border-color: rgba(255,255,255,.24); }
.section-dark .btn-secondary:hover,
.section-blue .btn-secondary:hover { background: rgba(255,255,255,.08); }
.btn-light { background: #fff; color: var(--dark); }
.btn-arrow::after { content: '↗'; font-size: 17px; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  padding: 14px 0;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition), backdrop-filter var(--transition);
}
.site-header.scrolled {
  padding: 8px 0;
  background: rgba(245, 247, 249, .88);
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px rgba(5, 31, 51, .07);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.brand img { width: 235px; height: auto; }
.nav { display: flex; align-items: center; gap: 6px; }
.nav a {
  padding: 10px 13px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: #27313a;
  transition: background var(--transition), color var(--transition);
}
.nav a:hover, .nav a.active { background: #fff; color: var(--blue-2); }
.nav .nav-cta { color: #fff; background: var(--dark); margin-left: 8px; padding-inline: 18px; }
.nav .nav-cta:hover { color: #fff; background: var(--blue-2); }
.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: #fff;
  align-items: center;
  justify-content: center;
}
.menu-toggle span,
.menu-toggle span::before,
.menu-toggle span::after {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  position: relative;
  transition: var(--transition);
}
.menu-toggle span::before,
.menu-toggle span::after { content: ''; position: absolute; left: 0; }
.menu-toggle span::before { top: -6px; }
.menu-toggle span::after { top: 6px; }
.menu-open .menu-toggle span { background: transparent; }
.menu-open .menu-toggle span::before { top: 0; transform: rotate(45deg); }
.menu-open .menu-toggle span::after { top: 0; transform: rotate(-45deg); }

.hero {
  min-height: 100vh;
  display: grid;
  align-items: center;
  padding: 150px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  right: -220px;
  top: -180px;
  background: radial-gradient(circle, rgba(8,185,230,.18), rgba(8,185,230,0) 67%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  gap: 64px;
  align-items: center;
}
.hero-copy h1 { max-width: 820px; }
.hero-copy h1 .accent {
  background: linear-gradient(135deg, var(--blue-1), var(--blue-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-copy .lead { margin-top: 28px; max-width: 720px; }
.hero-kicker {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 28px;
}
.pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.72);
  font-size: 13px;
  font-weight: 600;
}

.hero-visual {
  min-height: 560px;
  position: relative;
  display: grid;
  place-items: center;
}
.logo-orbit {
  position: relative;
  width: min(480px, 100%);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
}
.logo-orbit::before,
.logo-orbit::after {
  content: '';
  position: absolute;
  border: 1px solid rgba(13,117,200,.22);
  border-radius: 50%;
  animation: orbitPulse 4s ease-in-out infinite;
}
.logo-orbit::before { inset: 4%; }
.logo-orbit::after { inset: 17%; animation-delay: -2s; }
.logo-core {
  width: 54%;
  filter: drop-shadow(0 22px 26px rgba(13,117,200,.20));
  z-index: 2;
}
.orbit-node {
  position: absolute;
  z-index: 3;
  padding: 10px 14px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 12px 30px rgba(5,31,51,.10);
  font-size: 12px;
  font-family: 'Space Grotesk';
  font-weight: 700;
  letter-spacing: .04em;
}
.orbit-node.n1 { top: 8%; left: 4%; }
.orbit-node.n2 { right: -2%; top: 30%; }
.orbit-node.n3 { bottom: 10%; left: 10%; }
.orbit-node.n4 { bottom: 3%; right: 12%; }
@keyframes orbitPulse { 50% { transform: scale(1.03); opacity: .68; } }

.ticker {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.ticker-track {
  width: max-content;
  display: flex;
  animation: ticker 28s linear infinite;
}
.ticker-track span {
  padding: 18px 28px;
  font-family: 'Space Grotesk';
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .10em;
  text-transform: uppercase;
}
.ticker-track span::after { content: '●'; margin-left: 56px; color: var(--blue-1); }
@keyframes ticker { to { transform: translateX(-50%); } }

.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 18px; }

.process-grid {
  margin-top: 58px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}
.process-item {
  min-height: 290px;
  padding: 32px;
  position: relative;
  border-right: 1px solid var(--line);
}
.process-item:last-child { border-right: 0; }
.process-number {
  font-family: 'Space Grotesk';
  font-size: 13px;
  color: var(--blue-2);
  font-weight: 700;
  letter-spacing: .12em;
}
.process-item h3 { margin-top: 52px; font-size: 28px; }
.process-item p { margin-top: 14px; color: var(--muted); }
.process-item::after {
  content: '→';
  position: absolute;
  right: -16px;
  top: 50%;
  z-index: 2;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--blue-2);
}
.process-item:last-child::after { display: none; }

.solution-grid { margin-top: 58px; display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.solution-card {
  min-height: 520px;
  padding: 38px;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  border: 1px solid var(--line);
  background: #fff;
  transition: transform 300ms ease, box-shadow 300ms ease;
}
.solution-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.solution-card.dark { background: var(--dark); color: #fff; border-color: rgba(255,255,255,.08); }
.solution-card .solution-index { font-family: 'Space Grotesk'; color: var(--blue-2); font-size: 13px; font-weight: 700; letter-spacing: .13em; }
.solution-card.dark .solution-index { color: #82ddff; }
.solution-card h3 { margin-top: 78px; max-width: 520px; }
.solution-card p { margin-top: 20px; max-width: 560px; color: var(--muted); font-size: 18px; }
.solution-card.dark p { color: rgba(255,255,255,.68); }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.tag { padding: 7px 10px; border-radius: 999px; border: 1px solid var(--line); font-size: 12px; font-weight: 700; }
.dark .tag { border-color: rgba(255,255,255,.18); }
.solution-card .card-link { position: absolute; left: 38px; bottom: 36px; font-weight: 700; color: var(--blue-2); }
.solution-card.dark .card-link { color: #82ddff; }
.solution-art {
  position: absolute;
  right: -70px;
  top: -60px;
  width: 250px;
  height: 250px;
  border: 1px solid rgba(13,117,200,.18);
  transform: rotate(45deg);
  border-radius: 34px;
}
.solution-art::before,
.solution-art::after {
  content: '';
  position: absolute;
  border: 1px solid rgba(13,117,200,.15);
  inset: 28px;
  border-radius: 26px;
}
.solution-art::after { inset: 58px; }

.architecture {
  margin-top: 56px;
  padding: 48px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #07121b, #0d2333);
  color: #fff;
  border: 1px solid rgba(255,255,255,.08);
  overflow: hidden;
  position: relative;
}
.architecture::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, #000, transparent);
  pointer-events: none;
}
.arch-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.arch-node {
  min-height: 160px;
  padding: 24px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
}
.arch-node strong { display: block; font-family: 'Space Grotesk'; font-size: 22px; }
.arch-node span { display: block; margin-top: 10px; color: rgba(255,255,255,.62); }
.arch-node.highlight { background: linear-gradient(135deg, rgba(8,185,230,.20), rgba(13,117,200,.20)); border-color: rgba(90,216,255,.34); }

.benefit-grid { margin-top: 54px; }
.benefit-card {
  min-height: 260px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
}
.benefit-card .mini-index { color: var(--blue-2); font-family: 'Space Grotesk'; font-size: 12px; font-weight: 700; }
.benefit-card h4 { margin-top: 44px; font-size: 23px; }
.benefit-card p { margin-top: 14px; color: var(--muted); }

.about-split { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: center; }
.about-symbol {
  width: 100%;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(8,185,230,.18), rgba(8,185,230,0) 68%);
}
.about-symbol img { width: 68%; filter: drop-shadow(0 24px 30px rgba(0,80,150,.18)); }
.about-copy .lead { margin-top: 26px; }

.region-panel {
  border-radius: var(--radius);
  padding: 52px;
  background: var(--dark);
  color: #fff;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
.city-cloud { display: flex; flex-wrap: wrap; gap: 10px; align-content: center; }
.city-cloud span {
  display: inline-flex;
  padding: 12px 16px;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 999px;
  color: rgba(255,255,255,.76);
}
.city-cloud span.emph { background: rgba(8,185,230,.16); color: #fff; border-color: rgba(90,216,255,.30); }

.article-grid { margin-top: 48px; }
.article-card {
  display: flex;
  flex-direction: column;
  min-height: 410px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
  overflow: hidden;
  transition: transform 250ms ease, box-shadow 250ms ease;
}
.article-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.article-thumb {
  height: 175px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #dff7ff, #c8e8f7);
}
.article-thumb::before,
.article-thumb::after {
  content: '';
  position: absolute;
  border: 1px solid rgba(13,117,200,.28);
  width: 140px;
  height: 140px;
  transform: rotate(45deg);
}
.article-thumb::before { right: -20px; top: -40px; }
.article-thumb::after { left: 25%; bottom: -95px; }
.article-thumb.dark { background: linear-gradient(135deg, #07121b, #123147); }
.article-thumb.mid { background: linear-gradient(135deg, #0db8e5, #0c71c7); }
.article-body { padding: 26px; flex: 1; display: flex; flex-direction: column; }
.article-meta { font-size: 12px; text-transform: uppercase; letter-spacing: .10em; color: var(--blue-2); font-weight: 700; }
.article-body h3 { margin-top: 18px; font-size: 26px; }
.article-body p { margin-top: 14px; color: var(--muted); }
.article-body .card-link { margin-top: auto; padding-top: 24px; color: var(--blue-2); font-weight: 700; }

.cta-panel {
  padding: 66px;
  border-radius: 30px;
  color: #fff;
  background: linear-gradient(135deg, #06bce7, #0c79cb 58%, #07549a);
  position: relative;
  overflow: hidden;
}
.cta-panel::before {
  content: '';
  position: absolute;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 58px;
  transform: rotate(45deg);
  right: -160px;
  top: -130px;
}
.cta-panel h2 { max-width: 820px; position: relative; z-index: 2; }
.cta-panel p { margin-top: 22px; max-width: 700px; color: rgba(255,255,255,.82); font-size: 19px; position: relative; z-index: 2; }
.cta-panel .btn-row { position: relative; z-index: 2; }

.site-footer { padding: 72px 0 26px; background: #050d13; color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .7fr .8fr .9fr; gap: 40px; }
.footer-brand img { width: 230px; filter: brightness(0) invert(1); }
.footer-brand p { margin-top: 20px; color: rgba(255,255,255,.58); max-width: 330px; }
.footer-col h4 { font-size: 14px; letter-spacing: .08em; text-transform: uppercase; }
.footer-col a, .footer-col span { display: block; margin-top: 12px; color: rgba(255,255,255,.62); transition: color var(--transition); }
.footer-col a:hover { color: #fff; }
.footer-bottom { margin-top: 58px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.10); display: flex; justify-content: space-between; gap: 20px; color: rgba(255,255,255,.45); font-size: 13px; }

.page-hero {
  padding: 190px 0 100px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  right: -260px;
  top: -220px;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(8,185,230,.18), transparent 66%);
}
.page-hero h1 { max-width: 1020px; font-size: clamp(48px, 6.4vw, 84px); }
.page-hero .lead { margin-top: 28px; max-width: 780px; }

.split-content { display: grid; grid-template-columns: .75fr 1.25fr; gap: 80px; }
.sticky-label { position: sticky; top: 120px; align-self: start; }
.copy-stack > * + * { margin-top: 28px; }
.copy-stack h3 { margin-top: 46px; }
.copy-stack p { color: var(--muted); font-size: 18px; }

.value-grid { margin-top: 50px; }
.value-card { padding: 30px; min-height: 240px; border-radius: var(--radius-sm); background: #fff; border: 1px solid var(--line); }
.value-card h3 { font-size: 26px; margin-top: 48px; }
.value-card p { margin-top: 14px; color: var(--muted); }

.feature-list { margin-top: 48px; border-top: 1px solid var(--line); }
.feature-row {
  display: grid;
  grid-template-columns: 90px 1fr 1fr;
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.feature-row .num { font-family: 'Space Grotesk'; color: var(--blue-2); font-weight: 700; }
.feature-row h3 { font-size: 26px; }
.feature-row p { color: var(--muted); }

.audience-grid { margin-top: 46px; }
.audience-card { padding: 28px; border-radius: var(--radius-sm); background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.10); min-height: 220px; }
.audience-card strong { display: block; font-family: 'Space Grotesk'; font-size: 24px; }
.audience-card p { margin-top: 16px; color: rgba(255,255,255,.64); }

.governance-path { margin-top: 54px; display: grid; gap: 14px; }
.gov-step { display: grid; grid-template-columns: 110px 1fr; gap: 28px; padding: 28px; border-radius: var(--radius-sm); border: 1px solid var(--line); background: #fff; }
.gov-step .num { font-family: 'Space Grotesk'; font-weight: 700; color: var(--blue-2); }
.gov-step p { margin-top: 10px; color: var(--muted); }

.insight-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 34px; }
.insight-filter button { border: 1px solid var(--line); background: #fff; padding: 9px 14px; border-radius: 999px; font-weight: 600; color: var(--muted); }
.insight-filter button.active { background: var(--dark); color: #fff; border-color: var(--dark); }
.article-card[hidden] { display: none; }

.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: start; }
.contact-info { position: sticky; top: 120px; }
.contact-info .lead { margin-top: 24px; }
.contact-links { margin-top: 34px; display: grid; gap: 12px; }
.contact-link { padding: 18px 20px; border-radius: var(--radius-sm); background: #fff; border: 1px solid var(--line); font-weight: 700; transition: border-color var(--transition), transform var(--transition); }
.contact-link:hover { transform: translateX(4px); border-color: rgba(13,117,200,.35); }
.contact-form { background: #fff; padding: 38px; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field.full { grid-column: 1 / -1; }
.field label { display: block; margin-bottom: 8px; font-weight: 700; font-size: 14px; }
.field input, .field textarea, .field select {
  width: 100%;
  border: 1px solid var(--line);
  background: #f9fbfc;
  border-radius: 12px;
  padding: 14px 15px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--blue-2); box-shadow: 0 0 0 4px rgba(13,117,200,.10); }
.field textarea { min-height: 150px; resize: vertical; }
.form-note { margin-top: 14px; color: var(--muted); font-size: 13px; }
.form-status { margin-top: 14px; font-weight: 600; min-height: 24px; }

.article-hero { padding: 175px 0 70px; }
.article-hero .meta { color: var(--blue-2); text-transform: uppercase; letter-spacing: .10em; font-weight: 700; font-size: 13px; }
.article-hero h1 { margin-top: 20px; max-width: 930px; font-size: clamp(44px, 6vw, 76px); }
.article-hero .lead { margin-top: 26px; max-width: 780px; }
.article-layout { display: grid; grid-template-columns: 220px minmax(0, 760px); gap: 70px; align-items: start; }
.article-aside { position: sticky; top: 120px; color: var(--muted); font-size: 14px; }
.article-content { font-size: 19px; line-height: 1.75; }
.article-content > * + * { margin-top: 26px; }
.article-content h2 { margin-top: 54px; font-size: 38px; }
.article-content h3 { margin-top: 40px; font-size: 28px; }
.article-content p { color: #33404a; }
.article-content ul { padding-left: 22px; color: #33404a; }
.article-content blockquote { margin: 34px 0; padding: 24px 28px; border-left: 3px solid var(--blue-2); background: #eaf6fc; border-radius: 0 14px 14px 0; font-family: 'Space Grotesk'; font-size: 22px; line-height: 1.45; }

.reveal { opacity: 0; transform: translateY(26px); }
.js-ready .reveal { opacity: 0; }
.no-gsap .reveal { opacity: 1; transform: none; }

@media (max-width: 1024px) {
  .nav { gap: 0; }
  .nav a { padding-inline: 9px; }
  .brand img { width: 205px; }
  .hero-grid { grid-template-columns: 1fr; gap: 24px; }
  .hero { min-height: auto; }
  .hero-visual { min-height: 480px; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .process-item:nth-child(2) { border-right: 0; }
  .process-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .process-item:nth-child(2)::after { display: none; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .about-split { gap: 40px; }
  .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 820px) {
  .section { padding: 84px 0; }
  .site-header { padding: 8px 0; }
  .menu-toggle { display: inline-flex; }
  .nav {
    position: fixed;
    inset: 72px 16px auto;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    background: rgba(255,255,255,.96);
    backdrop-filter: blur(20px);
    border: 1px solid var(--line);
    border-radius: 20px;
    box-shadow: var(--shadow);
    opacity: 0;
    transform: translateY(-14px);
    pointer-events: none;
    transition: opacity var(--transition), transform var(--transition);
  }
  .menu-open .nav { opacity: 1; transform: none; pointer-events: auto; }
  .nav a { padding: 13px 14px; }
  .nav .nav-cta { margin: 4px 0 0; text-align: center; }
  .solution-grid, .grid-3, .region-panel, .contact-grid, .split-content, .article-layout { grid-template-columns: 1fr; }
  .solution-card { min-height: 500px; }
  .arch-grid { grid-template-columns: 1fr; }
  .about-split { grid-template-columns: 1fr; }
  .about-symbol { max-width: 500px; margin-inline: auto; }
  .contact-info, .sticky-label, .article-aside { position: static; }
  .article-aside { border-bottom: 1px solid var(--line); padding-bottom: 20px; }
  .feature-row { grid-template-columns: 60px 1fr; }
  .feature-row p { grid-column: 2; }
}

@media (max-width: 620px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .brand img { width: 180px; }
  .hero { padding-top: 125px; }
  .hero-visual { min-height: 400px; }
  .orbit-node { font-size: 10px; padding: 8px 10px; }
  .orbit-node.n2 { right: 0; }
  .process-grid, .solution-grid, .grid-2, .grid-4, .form-grid { grid-template-columns: 1fr; }
  .process-item { border-right: 0; border-bottom: 1px solid var(--line); min-height: 230px; }
  .process-item:last-child { border-bottom: 0; }
  .process-item::after { display: none; }
  .solution-card { padding: 28px; min-height: 510px; }
  .solution-card .card-link { left: 28px; }
  .architecture, .region-panel, .contact-form { padding: 26px; }
  .cta-panel { padding: 42px 26px; border-radius: 22px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
  .gov-step { grid-template-columns: 70px 1fr; padding: 22px; }
  .page-hero { padding-top: 155px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
}