:root {
  --navy: #132a41;
  --dark-navy: #091e33;
  --blue: #3898ec;
  --deep-blue: #1266af;
  --yellow: #f9b233;
  --magenta: #ec3898;
  --white: #FFFFFF;
  --mid-grey: #9c9b9b;
  --light-grey: #f5f5f5;
  --dark-grey: #4b4b4b;

  --navy-rgb: 19 42 65;
  --dark-navy-rgb: 9 30 51;
  --blue-rgb: 56 152 236;
  --deep-blue-rgb: 18 102 175;
  --yellow-rgb: 249 178 51;
  --magenta-rgb: 236 56 152;
  --white-rgb: 255 255 255;
  --mid-grey-rgb: 156 155 155;
  --light-grey-rgb: 245 245 245;
  --dark-grey-rgb: 75 75 75;

  --bg: var(--dark-navy);
  --text: var(--white);
  --muted: rgb(var(--white-rgb) / .76);
  --soft: rgb(var(--white-rgb) / .62);
  --line: rgb(var(--white-rgb) / .14);
  --line-strong: rgb(var(--white-rgb) / .24);
  --panel: rgb(var(--navy-rgb) / .76);
  --panel-strong: rgb(var(--navy-rgb) / .92);
  --panel-light: rgb(var(--white-rgb) / .08);
  --shadow: 0 28px 90px rgb(var(--dark-navy-rgb) / .42);
  --shadow-soft: 0 18px 45px rgb(var(--dark-navy-rgb) / .26);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-xl: 36px;
  --max: 1220px;
  --header-h: 70px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 18px); }
body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 0%, rgb(var(--blue-rgb) / .20), transparent 30rem),
    linear-gradient(180deg, var(--navy) 0%, var(--dark-navy) 100%);
  font-family: "Sofia Pro", Calibri, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  text-rendering: geometricPrecision;
  -webkit-font-smoothing: antialiased;
}
body.drawer-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }

.skip-link {
  position: fixed;
  inset: 12px auto auto 12px;
  z-index: 10000;
  padding: .75rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--dark-grey);
  transform: translateY(-140%);
  transition: transform .2s ease;
}
.skip-link:focus { transform: translateY(0); }

:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 3px;
}

.scroll-progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 3px;
  z-index: 1200;
  background: rgb(var(--white-rgb) / .10);
}
.scroll-progress span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--blue), var(--deep-blue));
  box-shadow: 0 0 18px rgb(var(--blue-rgb) / .62);
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: 1100;
  display: grid;
  grid-template-columns: minmax(210px, 1fr) auto minmax(210px, 1fr);
  align-items: center;
  gap: 1rem;
  padding: .75rem clamp(1rem, 3.2vw, 3rem);
  color: var(--white);
  background: linear-gradient(180deg, rgb(var(--navy-rgb) / .92), rgb(var(--dark-navy-rgb) / .86));
  border-bottom: 1px solid rgb(var(--white-rgb) / .12);
  backdrop-filter: blur(18px);
  transition: box-shadow .22s ease, background .22s ease, border-color .22s ease;
}
.site-header.is-scrolled {
  background: linear-gradient(180deg, rgb(var(--navy-rgb) / .98), rgb(var(--dark-navy-rgb) / .95));
  box-shadow: 0 16px 54px rgb(var(--dark-navy-rgb) / .34);
  border-bottom-color: rgb(var(--white-rgb) / .18);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  min-width: 0;
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgb(var(--white-rgb) / .80);
}
.brand img {
  width: 116px;
  height: auto;
  flex: 0 0 auto;
  object-fit: contain;
}
.brand span {
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.primary-nav {
  display: inline-flex;
  justify-self: center;
  align-items: center;
  gap: .35rem;
  padding: .28rem;
  border: 1px solid rgb(var(--white-rgb) / .12);
  border-radius: 999px;
  background: rgb(var(--dark-navy-rgb) / .56);
  box-shadow: inset 0 1px 0 rgb(var(--white-rgb) / .06);
}
.primary-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: .42rem .74rem;
  border-radius: 999px;
  color: rgb(var(--white-rgb) / .76);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .01em;
  transition: background .18s ease, color .18s ease, transform .18s ease;
}
.primary-nav a:hover,
.primary-nav a.is-active {
  color: var(--white);
  background: rgb(var(--blue-rgb) / .26);
  transform: translateY(-1px);
}
.nav-actions {
  display: inline-flex;
  justify-self: end;
  align-items: center;
  gap: .45rem;
}
.icon-button,
.menu-toggle {
  min-height: 36px;
  border: 1px solid rgb(var(--white-rgb) / .16);
  border-radius: 999px;
  background: rgb(var(--white-rgb) / .06);
  color: var(--white);
  padding: .48rem .85rem;
  font-size: .76rem;
  font-weight: 900;
  transition: background .18s ease, border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.icon-button:hover,
.menu-toggle:hover {
  background: rgb(var(--blue-rgb) / .22);
  border-color: rgb(var(--blue-rgb) / .58);
  box-shadow: 0 10px 28px rgb(var(--dark-navy-rgb) / .24);
  transform: translateY(-1px);
}
.icon-button.icon-only {
  width: 36px;
  padding: 0;
  display: grid;
  place-items: center;
}
.menu-toggle {
  display: none;
  width: 40px;
  padding: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
}
.menu-toggle span {
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--white);
}
.mobile-nav {
  position: fixed;
  inset: var(--header-h) .75rem auto .75rem;
  z-index: 1050;
  display: none;
  flex-direction: column;
  gap: .35rem;
  padding: .75rem;
  border: 1px solid rgb(var(--white-rgb) / .14);
  border-radius: var(--radius-lg);
  background: rgb(var(--dark-navy-rgb) / .97);
  box-shadow: var(--shadow);
}
.mobile-nav.is-open { display: flex; }
.mobile-nav a {
  padding: .85rem 1rem;
  border-radius: var(--radius-md);
  color: rgb(var(--white-rgb) / .78);
  font-weight: 850;
}
.mobile-nav a:hover,
.mobile-nav a.is-active { color: var(--white); background: rgb(var(--blue-rgb) / .22); }

.story-section {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: clamp(6rem, 9vh, 8.5rem) 0 clamp(4rem, 8vh, 7rem);
  isolation: isolate;
  overflow: hidden;
}
.story-section::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(circle at 15% 18%, rgb(var(--blue-rgb) / .14), transparent 26rem),
    radial-gradient(circle at 86% 22%, rgb(var(--deep-blue-rgb) / .16), transparent 28rem),
    linear-gradient(180deg, var(--navy) 0%, var(--dark-navy) 100%);
}
.story-section.alt::before {
  background:
    radial-gradient(circle at 82% 12%, rgb(var(--blue-rgb) / .16), transparent 28rem),
    radial-gradient(circle at 16% 82%, rgb(var(--deep-blue-rgb) / .14), transparent 28rem),
    linear-gradient(180deg, var(--dark-navy) 0%, var(--navy) 100%);
}
.story-section::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: .42;
  background-image:
    linear-gradient(rgb(var(--white-rgb) / .05) 1px, transparent 1px),
    linear-gradient(90deg, rgb(var(--white-rgb) / .05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at center, black, transparent 78%);
}
.section-inner {
  width: min(calc(100% - clamp(1.25rem, 5vw, 6rem)), var(--max));
  margin-inline: auto;
  position: relative;
  z-index: 1;
}
.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, .95fr);
  gap: clamp(2rem, 5vw, 4.8rem);
  align-items: start;
}
.two-col.align-center { align-items: center; }
.reverse-on-mobile {}
.copy-block { max-width: 780px; }
.section-kicker {
  max-width: 980px;
  margin: 0 auto clamp(1.7rem, 3.4vw, 3.2rem);
  text-align: center;
}
.section-kicker .lead { margin-inline: auto; }

h1, h2, h3, h4 {
  margin: 0;
  color: var(--white);
  font-weight: 950;
  line-height: 1.04;
  letter-spacing: -.035em;
}
h1 { max-width: 790px; font-size: clamp(2.7rem, 5vw, 4.8rem); }
h2 { max-width: 940px; font-size: clamp(2.05rem, 4vw, 3.75rem); }
h3 { font-size: clamp(1.1rem, 1.5vw, 1.45rem); letter-spacing: -.02em; }
h4 { font-size: .98rem; letter-spacing: -.01em; }
p { margin: 0; color: var(--muted); }
.lead {
  margin: 1.1rem 0 0;
  max-width: 760px;
  color: rgb(var(--white-rgb) / .82);
  font-size: clamp(1rem, 1.35vw, 1.22rem);
  line-height: 1.55;
}
.lead.narrow, .narrow { max-width: 760px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  margin: 0 0 .9rem;
  color: var(--blue);
  font-size: .72rem;
  font-weight: 950;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  border-radius: 99px;
  background: var(--blue);
}
.mini-label {
  margin: 0 0 .4rem;
  color: var(--blue);
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .10em;
  text-transform: uppercase;
}

.button {
  --btn-bg: rgb(var(--white-rgb) / .08);
  --btn-border: rgb(var(--white-rgb) / .20);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  min-height: 46px;
  padding: .78rem 1.08rem;
  border: 1px solid var(--btn-border);
  border-radius: 999px;
  background: var(--btn-bg);
  color: var(--white);
  font-size: .9rem;
  font-weight: 950;
  line-height: 1;
  box-shadow: 0 12px 32px rgb(var(--dark-navy-rgb) / .20);
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
}
.button::after { content: "›"; font-size: 1.08em; line-height: 0; }
.button:hover { transform: translateY(-2px); box-shadow: 0 20px 48px rgb(var(--dark-navy-rgb) / .32); border-color: rgb(var(--white-rgb) / .34); }
.button.primary {
  --btn-bg: var(--blue);
  --btn-border: rgb(var(--blue-rgb) / .92);
  color: var(--white);
}
.button.primary:hover { background: var(--deep-blue); }
.button.secondary {
  --btn-bg: rgb(var(--blue-rgb) / .18);
  --btn-border: rgb(var(--blue-rgb) / .58);
}
.button.ghost {
  --btn-bg: rgb(var(--white-rgb) / .06);
  --btn-border: rgb(var(--white-rgb) / .20);
}
.button.small { min-height: 40px; padding: .62rem .95rem; font-size: .82rem; }
.cta-row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; margin-top: 1.55rem; }
.cta-row.centered { justify-content: center; }

.hero-section {
  min-height: 100svh;
  padding-top: calc(var(--header-h) + clamp(4rem, 8vh, 6rem));
}
.hero-section::before { background: linear-gradient(180deg, var(--navy) 0%, var(--dark-navy) 100%); }
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -4;
  opacity: .30;
  background:
    linear-gradient(90deg, rgb(var(--dark-navy-rgb) / .96), rgb(var(--dark-navy-rgb) / .60), rgb(var(--dark-navy-rgb) / .96)),
    url("assets/images/hero-bg.webp") center / cover no-repeat;
}
#networkCanvas,
.final-canvas {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  opacity: .82;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, .72fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
}
.hero-logo {
  width: min(220px, 62vw);
  margin: 0 0 1rem;
}
.hero-subtitle {
  max-width: 720px;
  margin-top: 1.2rem;
  color: rgb(var(--white-rgb) / .86);
  font-size: clamp(1.08rem, 1.55vw, 1.42rem);
}
.hero-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(1.25rem, 2.4vw, 1.7rem);
  border: 1px solid rgb(var(--white-rgb) / .16);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgb(var(--white-rgb) / .10), rgb(var(--white-rgb) / .05));
  box-shadow: var(--shadow);
}
.hero-panel::before {
  content: "";
  position: absolute;
  inset: -35% -25% auto auto;
  width: 70%;
  height: 70%;
  border-radius: 50%;
  background: radial-gradient(circle, rgb(var(--blue-rgb) / .22), transparent 65%);
}
.glass-title {
  position: relative;
  display: inline-flex;
  color: var(--blue);
  font-size: .72rem;
  font-weight: 950;
  letter-spacing: .16em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.signal-map {
  position: relative;
  height: 210px;
  border: 1px solid rgb(var(--white-rgb) / .14);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background:
    radial-gradient(circle at 22% 38%, rgb(var(--blue-rgb) / .94) 0 4px, transparent 5px),
    radial-gradient(circle at 52% 52%, rgb(var(--white-rgb) / .92) 0 4px, transparent 5px),
    radial-gradient(circle at 74% 31%, rgb(var(--magenta-rgb) / .82) 0 4px, transparent 5px),
    radial-gradient(circle at 64% 78%, rgb(var(--yellow-rgb) / .85) 0 4px, transparent 5px),
    linear-gradient(135deg, rgb(var(--blue-rgb) / .14), rgb(var(--white-rgb) / .04));
}
.signal-map::before,
.signal-map::after {
  content: "";
  position: absolute;
  inset: 22px;
  border: 1px solid rgb(var(--blue-rgb) / .24);
  border-radius: 50%;
}
.signal-map::after { inset: 52px; border-color: rgb(var(--white-rgb) / .14); }
.signal-map span {
  position: absolute;
  left: 28%;
  top: 42%;
  width: 46%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgb(var(--blue-rgb) / .70), transparent);
  transform-origin: left center;
}
.signal-map span:nth-child(1) { transform: rotate(18deg); }
.signal-map span:nth-child(2) { transform: rotate(64deg); }
.signal-map span:nth-child(3) { transform: rotate(122deg); }
.signal-map span:nth-child(4) { transform: rotate(198deg); }
.signal-map span:nth-child(5) { transform: rotate(253deg); }
.signal-map span:nth-child(6) { transform: rotate(315deg); }
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem;
  margin: 1rem 0;
}
.hero-metrics div,
.stat {
  padding: 1rem;
  border: 1px solid rgb(var(--white-rgb) / .13);
  border-radius: var(--radius-md);
  background: rgb(var(--white-rgb) / .06);
}
.hero-metrics dt,
.stat span {
  margin: 0;
  color: var(--soft);
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.hero-metrics dd,
.stat strong {
  display: block;
  margin: .2rem 0 0;
  color: var(--white);
  font-size: clamp(1.35rem, 2.5vw, 2rem);
  font-weight: 950;
  letter-spacing: -.04em;
  line-height: 1;
}
.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 1.2rem;
  transform: translateX(-50%);
  border: 1px solid rgb(var(--white-rgb) / .18);
  border-radius: 999px;
  background: rgb(var(--white-rgb) / .06);
  color: var(--white);
  padding: .6rem .95rem;
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .06em;
}
.scroll-cue:hover { background: rgb(var(--blue-rgb) / .24); border-color: rgb(var(--blue-rgb) / .56); }

.summary-stack { display: grid; gap: .85rem; }
.summary-card,
.comparison-card,
.cert-card,
.segment-card,
.product-card,
.matrix-grid article,
.lesson-grid article,
.pillar-grid article,
.service-card,
.roadmap article,
.source-cloud,
.insight-cloud,
.platform-core-visual,
.visual-card,
.premium-panel,
.usecase-panel,
.tab-panel,
.support-visual,
.phone-composite,
.dashboard-card,
.esn-facts article,
.workflow-grid article,
.input-strip article,
.counter-grid div,
.component-strip span,
.factor-grid span,
.proof-list span,
.capability-ribbon span,
.pill-row span,
.status-mini {
  border: 1px solid rgb(var(--white-rgb) / .13);
  background: linear-gradient(180deg, rgb(var(--white-rgb) / .075), rgb(var(--white-rgb) / .035));
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}
.summary-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .85rem 1rem;
  padding: 1.1rem;
  min-height: 136px;
}
.summary-card h3 { align-self: center; }
.summary-card p { grid-column: 2; font-size: .95rem; }
.active-card { border-color: rgb(var(--blue-rgb) / .62); background: linear-gradient(180deg, rgb(var(--blue-rgb) / .18), rgb(var(--white-rgb) / .04)); }
.card-index {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: var(--blue);
  color: var(--white);
  font-weight: 950;
  font-size: .8rem;
}
.pill-row,
.capability-ribbon,
.proof-list {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  margin-top: 1.25rem;
}
.pill-row span,
.capability-ribbon span,
.proof-list span,
.factor-grid span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: .48rem .72rem;
  border-radius: 999px;
  color: rgb(var(--white-rgb) / .88);
  font-size: .82rem;
  font-weight: 850;
}
.capability-ribbon { justify-content: center; margin-top: 2rem; }
.capability-ribbon span:nth-child(4n + 2) { border-color: rgb(var(--blue-rgb) / .30); }
.capability-ribbon span:nth-child(4n + 3) { border-color: rgb(var(--yellow-rgb) / .28); }
.capability-ribbon span:nth-child(4n) { border-color: rgb(var(--magenta-rgb) / .28); }

.comparison-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 1.2rem;
  align-items: stretch;
  margin-top: 2rem;
}
.comparison-card {
  padding: clamp(1.2rem, 2.2vw, 1.8rem);
  min-height: 210px;
}
.comparison-card.broadband { border-color: rgb(var(--blue-rgb) / .48); background: linear-gradient(180deg, rgb(var(--blue-rgb) / .16), rgb(var(--white-rgb) / .04)); }
.transition-arrow {
  align-self: center;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 999px;
  background: var(--blue);
  color: var(--white);
  font-size: 1.45rem;
  font-weight: 950;
}
.stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .8rem; margin-top: 1.4rem; }
.stat-grid.compact { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cert-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .9rem; }
.cert-card { padding: 1.1rem; min-height: 178px; }
.cert-card span {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  margin-bottom: .9rem;
  color: var(--white);
  background: var(--deep-blue);
  font-weight: 950;
}
.cert-card:nth-child(2) span { background: var(--blue); }
.cert-card:nth-child(3) span { background: var(--yellow); color: var(--dark-navy); }
.cert-card:nth-child(4) span { background: var(--magenta); }

.segment-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: .9rem; }
.segment-card { padding: 1.15rem; min-height: 190px; transition: transform .18s ease, border-color .18s ease, background .18s ease; }
.segment-card:hover { transform: translateY(-6px); border-color: rgb(var(--blue-rgb) / .55); background: linear-gradient(180deg, rgb(var(--blue-rgb) / .14), rgb(var(--white-rgb) / .04)); }
.icon-line {
  width: 56px;
  height: 56px;
  border-radius: 17px;
  margin-bottom: 1rem;
  position: relative;
  background: linear-gradient(135deg, rgb(var(--blue-rgb) / .22), rgb(var(--deep-blue-rgb) / .18));
  border: 1px solid rgb(var(--blue-rgb) / .28);
}
.icon-line::before,
.icon-line::after {
  content: "";
  position: absolute;
  border-radius: 99px;
  background: var(--blue);
}
.icon-line::before { width: 22px; height: 3px; left: 17px; top: 21px; transform: rotate(-26deg); }
.icon-line::after { width: 3px; height: 22px; left: 27px; top: 17px; transform: rotate(28deg); }
.icon-line.tower::before { transform: rotate(90deg); width: 28px; left: 14px; top: 26px; }
.icon-line.enterprise::after { background: var(--yellow); }
.icon-line.regulator::after { background: var(--magenta); }
.icon-line.service::after, .icon-line.towerco::after { background: var(--deep-blue); }

.platform-section::before,
.why-section::before,
.final-section::before {
  background:
    radial-gradient(circle at 50% 38%, rgb(var(--blue-rgb) / .18), transparent 30rem),
    linear-gradient(180deg, var(--navy) 0%, var(--dark-navy) 100%);
}
.architecture {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, .95fr) minmax(0, 1fr);
  grid-template-rows: repeat(2, minmax(104px, auto));
  gap: clamp(1rem, 2.4vw, 1.5rem);
  align-items: stretch;
  margin-top: 1.8rem;
  padding: clamp(1.2rem, 2.6vw, 2rem);
  min-height: 360px;
  border: 1px solid rgb(var(--white-rgb) / .16);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(ellipse at center, rgb(var(--blue-rgb) / .12), transparent 46%),
    linear-gradient(180deg, rgb(var(--white-rgb) / .08), rgb(var(--white-rgb) / .035));
  box-shadow: var(--shadow);
}
.architecture::before,
.architecture::after {
  content: "";
  position: absolute;
  inset: 18% 12%;
  border: 1px solid rgb(var(--blue-rgb) / .24);
  border-radius: 50%;
  pointer-events: none;
}
.architecture::after { inset: 31% 22%; border-color: rgb(var(--white-rgb) / .12); }
.arch-core {
  position: relative;
  z-index: 2;
  grid-column: 2;
  grid-row: 1 / 3;
  align-self: center;
  justify-self: center;
  width: min(100%, 360px);
  min-height: 196px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1.35rem;
  border: 1px solid rgb(var(--blue-rgb) / .46);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgb(var(--navy-rgb) / .98), rgb(var(--dark-navy-rgb) / .95));
  box-shadow: 0 28px 90px rgb(var(--dark-navy-rgb) / .46), 0 0 0 1px rgb(var(--white-rgb) / .05) inset;
}
.arch-core img {
  width: min(165px, 82%);
  height: auto;
  object-fit: contain;
  margin: 0 auto 1rem;
}
.arch-core h3 { font-size: clamp(1.05rem, 1.8vw, 1.45rem); }
.arch-core p { margin-top: .5rem; font-size: .92rem; }
.arch-node {
  position: relative;
  z-index: 2;
  padding: .9rem 1rem;
  border: 1px solid rgb(var(--white-rgb) / .14);
  border-radius: var(--radius-md);
  background: rgb(var(--white-rgb) / .065);
  box-shadow: var(--shadow-soft);
}
.arch-node::before {
  content: "";
  display: block;
  width: 38px;
  height: 2px;
  border-radius: 99px;
  background: var(--blue);
  margin-bottom: .7rem;
}
.arch-node.n1 { grid-column: 1; grid-row: 1; }
.arch-node.n2 { grid-column: 3; grid-row: 1; }
.arch-node.n3 { grid-column: 1; grid-row: 2; }
.arch-node.n4 { grid-column: 3; grid-row: 2; }
.component-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .55rem;
  margin-top: 1rem;
}
.component-strip span { padding: .55rem .85rem; border-radius: 999px; color: var(--white); font-weight: 900; font-size: .82rem; border-color: rgb(var(--blue-rgb) / .35); }

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .9rem;
}
.product-card { overflow: hidden; min-height: 116px; transition: transform .18s ease, border-color .18s ease, background .18s ease; }
.product-card:hover { transform: translateY(-3px); border-color: rgb(var(--blue-rgb) / .54); }
.product-card button {
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: .85rem;
  min-height: 104px;
  padding: 1rem;
  border: 0;
  background: transparent;
  color: var(--white);
  text-align: left;
}
.product-card button::after {
  content: "Open details";
  justify-self: end;
  padding: .38rem .55rem;
  border-radius: 999px;
  border: 1px solid rgb(var(--blue-rgb) / .36);
  color: rgb(var(--white-rgb) / .78);
  font-size: .68rem;
  font-weight: 950;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.product-card button strong { display: block; color: var(--white); font-size: 1rem; }
.product-card button small { display: block; color: var(--soft); margin-top: .18rem; font-weight: 700; }
.product-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: rgb(var(--blue-rgb) / .18);
  border: 1px solid rgb(var(--blue-rgb) / .30);
  color: var(--blue);
  font-weight: 950;
  font-size: .8rem;
}
.product-detail {
  display: none;
  padding: 0 1rem 1rem calc(1rem + 48px + .85rem);
  color: var(--muted);
  font-size: .92rem;
}
.product-detail ul { margin: .65rem 0 0; padding-left: 1.1rem; color: var(--muted); }
.product-card[data-expanded="true"] {
  border-color: rgb(var(--blue-rgb) / .60);
  background: linear-gradient(180deg, rgb(var(--blue-rgb) / .15), rgb(var(--white-rgb) / .04));
}
.product-card[data-expanded="true"] .product-detail { display: block; }
.product-card[data-expanded="true"] .product-icon { background: var(--blue); color: var(--white); }
.product-card[data-expanded="true"] button::after { content: "Close"; border-color: rgb(var(--white-rgb) / .30); }

.case-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(310px, .8fr);
  gap: clamp(1.4rem, 3.4vw, 3rem);
  align-items: center;
  margin-bottom: 1.2rem;
}
.case-hero img,
.visual-card > img:first-child,
.tab-panel img,
.support-visual > img,
.premium-panel img,
.wide-visual img {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid rgb(var(--white-rgb) / .14);
  box-shadow: var(--shadow-soft);
  object-fit: cover;
}
.counter-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .85rem;
  margin-top: 1.2rem;
}
.counter-grid div { padding: 1rem; min-height: 128px; }
.counter-grid strong {
  display: block;
  color: var(--white);
  font-size: clamp(1.65rem, 3.4vw, 3rem);
  line-height: .98;
  letter-spacing: -.055em;
}
.counter-grid span { display: block; margin-top: .45rem; color: var(--muted); font-weight: 800; }
.esn-facts,
.matrix-grid,
.lesson-grid,
.pillar-grid,
.service-grid,
.workflow-grid,
.roadmap,
.mini-grid,
.support-features {
  display: grid;
  gap: .85rem;
}
.esn-facts { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: .85rem; }
.esn-facts article { padding: 1rem; min-height: 116px; }
.esn-facts h3 { font-size: 1.08rem; }
.esn-facts p { margin-top: .28rem; font-size: .9rem; }
.matrix-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.matrix-grid article { padding: 1rem; min-height: 112px; }
.matrix-grid article:nth-child(3n + 1) { border-color: rgb(var(--blue-rgb) / .30); }
.matrix-grid article:nth-child(3n + 2) { border-color: rgb(var(--yellow-rgb) / .24); }
.matrix-grid article:nth-child(3n) { border-color: rgb(var(--magenta-rgb) / .24); }

#lessons-learnt .section-kicker { margin-bottom: clamp(1rem, 2.2vw, 1.6rem); }
#lessons-learnt h2 { max-width: 900px; font-size: clamp(1.95rem, 3.7vw, 3.35rem); }
.lesson-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.lesson-grid article { position: relative; overflow: hidden; padding: 1rem; min-height: 158px; }
.lesson-grid article::after {
  content: "";
  position: absolute;
  width: 132px;
  height: 132px;
  right: -52px;
  top: -52px;
  border-radius: 50%;
  background: rgb(var(--blue-rgb) / .08);
}
.lesson-grid span {
  position: relative;
  z-index: 1;
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 13px;
  margin-bottom: .85rem;
  color: var(--white);
  background: var(--blue);
  font-weight: 950;
  font-size: .78rem;
}
.lesson-grid h3, .lesson-grid p { position: relative; z-index: 1; }
.lesson-grid p { margin-top: .38rem; font-size: .9rem; line-height: 1.45; }

.usecase-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(340px, .82fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: center;
}
.usecase-list {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.25rem;
}
.usecase-pill {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  min-height: 38px;
  padding: .55rem .78rem;
  border: 1px solid rgb(var(--white-rgb) / .15);
  border-radius: 999px;
  background: rgb(var(--white-rgb) / .055);
  color: rgb(var(--white-rgb) / .82);
  font-size: .82rem;
  font-weight: 850;
  transition: transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
}
.usecase-pill::after {
  content: "View details";
  color: rgb(var(--white-rgb) / .60);
  font-size: .65rem;
  font-weight: 900;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.usecase-pill:hover,
.usecase-pill.is-active {
  color: var(--white);
  border-color: rgb(var(--blue-rgb) / .58);
  background: rgb(var(--blue-rgb) / .18);
  transform: translateY(-1px);
}
.usecase-panel { padding: clamp(1.2rem, 2.6vw, 1.8rem); }
.panel-visual {
  height: 184px;
  display: grid;
  place-items: center;
  border: 1px solid rgb(var(--white-rgb) / .13);
  border-radius: var(--radius-lg);
  margin-bottom: 1rem;
  background:
    radial-gradient(circle at 25% 35%, rgb(var(--blue-rgb) / .78) 0 6px, transparent 7px),
    radial-gradient(circle at 72% 45%, rgb(var(--white-rgb) / .72) 0 5px, transparent 6px),
    radial-gradient(circle at 50% 76%, rgb(var(--magenta-rgb) / .70) 0 4px, transparent 5px),
    linear-gradient(135deg, rgb(var(--blue-rgb) / .17), rgb(var(--white-rgb) / .04));
}
.panel-visual span {
  display: grid;
  place-items: center;
  width: 92px;
  height: 92px;
  border-radius: 28px;
  background: rgb(var(--dark-navy-rgb) / .82);
  color: var(--white);
  font-weight: 950;
  border: 1px solid rgb(var(--blue-rgb) / .42);
}
.benefit-box {
  margin: 1.1rem 0 1.3rem;
  padding: 1rem;
  border: 1px solid rgb(var(--blue-rgb) / .30);
  border-radius: var(--radius-md);
  background: rgb(var(--blue-rgb) / .12);
}
.benefit-box strong { display: block; color: var(--white); margin-bottom: .2rem; }
.benefit-box span { color: var(--muted); }

.data-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 70px minmax(220px, .78fr) 70px minmax(0, 1fr);
  gap: .85rem;
  align-items: center;
}
.source-cloud,
.insight-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  padding: 1rem;
  min-height: 230px;
  align-content: center;
}
.source-cloud span,
.insight-cloud span {
  padding: .48rem .66rem;
  border-radius: 999px;
  border: 1px solid rgb(var(--white-rgb) / .12);
  background: rgb(var(--white-rgb) / .06);
  color: var(--muted);
  font-size: .8rem;
  font-weight: 800;
}
.flow-arrow {
  height: 2px;
  min-width: 48px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
  position: relative;
}
.flow-arrow::after {
  content: "";
  position: absolute;
  right: 5px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-top: 2px solid var(--blue);
  border-right: 2px solid var(--blue);
  transform: translateY(-50%) rotate(45deg);
}
.platform-core-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.3rem;
  min-height: 230px;
  border-color: rgb(var(--blue-rgb) / .38);
}
.database-cylinder {
  position: relative;
  width: 98px;
  height: 118px;
  border-radius: 50% / 15%;
  margin-bottom: 1rem;
  background: linear-gradient(180deg, var(--blue), var(--deep-blue));
  box-shadow: inset 0 18px 0 rgb(var(--white-rgb) / .22), 0 0 54px rgb(var(--blue-rgb) / .28);
}
.database-cylinder::before,
.database-cylinder::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 28px;
  border-radius: 50%;
  border: 2px solid rgb(var(--white-rgb) / .52);
}
.database-cylinder::before { top: 0; }
.database-cylinder::after { bottom: 0; opacity: .38; }
.input-strip { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: .75rem; margin-top: 1rem; }
.input-strip article { padding: .9rem; min-height: 102px; }
.input-strip strong { display: block; color: var(--white); }
.input-strip span { color: var(--muted); font-size: .88rem; }

.feature-list { margin: 1.2rem 0 0; padding-left: 1.15rem; color: var(--muted); }
.feature-list li { margin: .42rem 0; }
.visual-card,
.premium-panel,
.support-visual,
.phone-composite { position: relative; overflow: hidden; padding: 1rem; }
.visual-card .overlay-shot {
  position: absolute;
  right: 4%;
  bottom: 6%;
  width: 62%;
  border-radius: var(--radius-md);
  border: 1px solid rgb(var(--white-rgb) / .12);
  box-shadow: var(--shadow-soft);
}
.device-float { position: absolute; right: 8%; bottom: 8%; width: min(160px, 34%); filter: drop-shadow(0 20px 42px rgb(var(--dark-navy-rgb) / .55)); }
.phone-img { position: absolute; left: 8%; bottom: 7%; width: 28%; min-width: 112px; z-index: 2; filter: drop-shadow(0 22px 44px rgb(var(--dark-navy-rgb) / .55)); }
.map-img { width: 92%; margin-left: auto; border-radius: var(--radius-md); border: 1px solid rgb(var(--white-rgb) / .12); box-shadow: var(--shadow-soft); }
.wide-visual { margin-top: 1rem; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); background: rgb(var(--white-rgb) / .045); border: 1px solid rgb(var(--white-rgb) / .14); }
.workflow-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); margin-top: 1.4rem; }
.workflow-grid article { padding: 1rem; min-height: 142px; }
.workflow-grid article span {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: .8rem;
  border-radius: 13px;
  background: var(--blue);
  color: var(--white);
  font-weight: 950;
}

.tabs { padding: .9rem; border-radius: var(--radius-xl); }
.tab-list {
  display: flex;
  gap: .55rem;
  border: 1px solid rgb(var(--white-rgb) / .13);
  background: rgb(var(--white-rgb) / .045);
  border-radius: 999px;
  padding: .45rem;
  margin-bottom: .9rem;
}
.tab {
  flex: 1;
  min-height: 42px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: rgb(var(--white-rgb) / .74);
  font-weight: 950;
}
.tab:hover { background: rgb(var(--white-rgb) / .07); color: var(--white); }
.tab.is-active { background: var(--blue); color: var(--white); }
.tab-panel { padding: 1rem; }
.tab-panel[hidden] { display: none; }
.tab-panel p { margin: .8rem 0 1rem; }
.support-visual { display: grid; gap: .8rem; }
.status-mini { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .8rem; padding: .8rem; }
.status-mini img { width: 100%; border-radius: var(--radius-sm); border: 1px solid rgb(var(--white-rgb) / .10); }
.support-features { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 1.1rem; }
.support-features span { padding: .75rem .85rem; border-radius: var(--radius-sm); border: 1px solid rgb(var(--white-rgb) / .13); background: rgb(var(--white-rgb) / .05); font-weight: 850; }

.pillar-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.pillar-grid article { padding: 1.2rem; min-height: 200px; }
.pillar-grid article:nth-child(1) { border-color: rgb(var(--blue-rgb) / .30); }
.pillar-grid article:nth-child(2) { border-color: rgb(var(--yellow-rgb) / .28); }
.pillar-grid article:nth-child(3) { border-color: rgb(var(--magenta-rgb) / .28); }
.factor-grid { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: 1.4rem; }
.factor-grid span:nth-child(4n + 1) { border-color: rgb(var(--blue-rgb) / .30); }
.factor-grid span:nth-child(4n + 2) { border-color: rgb(var(--deep-blue-rgb) / .30); }
.factor-grid span:nth-child(4n + 3) { border-color: rgb(var(--yellow-rgb) / .30); }
.factor-grid span:nth-child(4n) { border-color: rgb(var(--magenta-rgb) / .30); }
.service-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.service-card { padding: 1rem; min-height: 330px; }
.service-card img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; margin-bottom: 1rem; border-radius: var(--radius-md); border: 1px solid rgb(var(--white-rgb) / .12); }
.service-card p { margin-top: .45rem; font-size: .9rem; }
.roadmap { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.roadmap article { position: relative; padding: 1.1rem; min-height: 156px; }
.roadmap article strong { display: block; color: var(--white); margin-bottom: .35rem; font-size: 1.05rem; }
.roadmap article span { color: var(--muted); font-size: .9rem; }
.roadmap article::after {
  content: "";
  position: absolute;
  left: 1.1rem;
  bottom: 1rem;
  width: 32px;
  height: 2px;
  background: var(--blue);
  box-shadow: 38px 0 0 rgb(var(--yellow-rgb) / .86), 76px 0 0 rgb(var(--magenta-rgb) / .78);
}
.road-steps { display: contents; }
.premium-panel { padding: 1rem; }
.panel-caption { margin-top: .85rem; }
.panel-caption strong { display: block; color: var(--white); font-size: 1.05rem; }
.panel-caption span { color: var(--muted); }

.final-section { text-align: center; min-height: 100svh; }
.final-section::before {
  background:
    linear-gradient(180deg, rgb(var(--navy-rgb) / .94), rgb(var(--dark-navy-rgb) / .98)),
    url("assets/images/hero-bg.webp") center / cover no-repeat;
}
.final-inner { max-width: 1100px; }
.final-logo { width: min(290px, 72vw); margin: 0 auto 1rem; }
.final-inner h2 { margin-inline: auto; }
.final-inner .lead { margin-inline: auto; }
.contact-block { margin: 1.4rem 0 0; font-style: normal; color: var(--muted); }
.contact-block strong { display: block; color: var(--white); margin-bottom: .25rem; }
.contact-block a:hover { color: var(--blue); }
.metricell-footer {
  margin-top: 2.2rem;
  padding-top: 1.6rem;
  border-top: 1px solid rgb(var(--white-rgb) / .16);
  text-align: left;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
}
.footer-col h3 {
  margin: 0 0 .55rem;
  color: var(--white);
  font-size: .9rem;
  letter-spacing: -.01em;
}
.footer-col span,
.footer-col a {
  display: block;
  margin: .24rem 0;
  color: rgb(var(--white-rgb) / .70);
  font-size: .8rem;
  line-height: 1.35;
}
.footer-bottom {
  display: grid;
  grid-template-columns: minmax(180px, .8fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 1rem;
  align-items: end;
  margin-top: 1.35rem;
}
.footer-bottom img { width: 150px; }
.footer-bottom p,
.footer-bottom address {
  margin: 0;
  color: rgb(var(--white-rgb) / .72);
  font-style: normal;
  font-size: .82rem;
}
.footer-bottom a { color: var(--white); }

.drawer {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  justify-content: flex-end;
  background: rgb(var(--dark-navy-rgb) / .72);
  backdrop-filter: blur(12px);
}
.drawer.is-open { display: flex; }
.drawer-panel {
  position: relative;
  width: min(520px, calc(100vw - 1.4rem));
  height: calc(100vh - 1.4rem);
  margin: .7rem;
  overflow: auto;
  padding: clamp(1.2rem, 3vw, 2rem);
  border: 1px solid rgb(var(--white-rgb) / .18);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgb(var(--navy-rgb) / .98), rgb(var(--dark-navy-rgb) / .98));
  box-shadow: var(--shadow);
}
.drawer-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 42px;
  height: 42px;
  border: 1px solid rgb(var(--white-rgb) / .16);
  border-radius: 999px;
  background: rgb(var(--white-rgb) / .07);
  color: var(--white);
  font-size: 1.5rem;
  line-height: 1;
}
.drawer-close:hover { background: rgb(var(--blue-rgb) / .24); border-color: rgb(var(--blue-rgb) / .56); }
.toc-list { display: grid; gap: .55rem; margin-top: 1rem; }
.toc-list a {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .65rem;
  align-items: center;
  padding: .6rem;
  border: 1px solid rgb(var(--white-rgb) / .12);
  border-radius: var(--radius-md);
  background: rgb(var(--white-rgb) / .045);
  color: rgb(var(--white-rgb) / .78);
  font-weight: 850;
  transition: background .18s ease, border-color .18s ease, transform .18s ease, color .18s ease;
}
.toc-list a:hover,
.toc-list a.is-active {
  color: var(--white);
  transform: translateX(3px);
  background: rgb(var(--blue-rgb) / .16);
  border-color: rgb(var(--blue-rgb) / .46);
}
.toc-list span:first-child {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: rgb(var(--blue-rgb) / .18);
  color: var(--blue);
  font-size: .78rem;
  font-weight: 950;
}
.drawer-tip { margin-top: 1rem; font-size: .9rem; }
.source-list { margin: 1rem 0 0; padding-left: 1.1rem; color: var(--muted); }
.source-list li { margin: .75rem 0; }
.source-list strong { color: var(--white); }

.section-controls {
  position: fixed;
  z-index: 1100;
  left: 50%;
  bottom: .9rem;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .42rem;
  border: 1px solid rgb(var(--white-rgb) / .14);
  border-radius: 999px;
  background: rgb(var(--dark-navy-rgb) / .76);
  backdrop-filter: blur(14px);
  box-shadow: 0 12px 40px rgb(var(--dark-navy-rgb) / .36);
}
.section-controls button {
  width: 36px;
  height: 36px;
  border: 1px solid rgb(var(--white-rgb) / .14);
  border-radius: 999px;
  background: rgb(var(--white-rgb) / .07);
  color: var(--white);
  font-weight: 950;
}
.section-controls button:hover { background: var(--blue); border-color: var(--blue); }
.section-controls span { min-width: 70px; text-align: center; color: var(--white); font-size: .78rem; font-weight: 950; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .64s ease, transform .64s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: .08s; }
.delay-2 { transition-delay: .16s; }

@media (max-width: 1180px) {
  .site-header { grid-template-columns: minmax(190px, 1fr) auto auto; }
  .primary-nav { display: none; }
  .menu-toggle { display: inline-flex; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .segment-grid, .service-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .counter-grid, .esn-facts, .roadmap { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .workflow-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .data-flow { grid-template-columns: 1fr; }
  .flow-arrow { width: 2px; height: 46px; justify-self: center; }
  .flow-arrow::after { right: auto; left: 50%; top: auto; bottom: 5px; transform: translateX(-50%) rotate(135deg); }
  .input-strip { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 920px) {
  :root { --header-h: 66px; }
  .nav-actions .icon-button:not(.icon-only) { display: none; }
  .two-col, .hero-grid, .case-hero, .usecase-layout { grid-template-columns: 1fr; }
  .hero-panel { max-width: 560px; }
  .comparison-grid { grid-template-columns: 1fr; }
  .transition-arrow { transform: rotate(90deg); margin: 0 auto; }
  .cert-grid, .pillar-grid, .lesson-grid, .matrix-grid, .support-features { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .architecture { grid-template-columns: 1fr; grid-template-rows: auto; min-height: 0; }
  .arch-core, .arch-node.n1, .arch-node.n2, .arch-node.n3, .arch-node.n4 { grid-column: auto; grid-row: auto; }
  .architecture::before, .architecture::after { display: none; }
  .arch-core { width: 100%; min-height: 190px; }
  .reverse-on-mobile > :last-child { order: -1; }
  .footer-bottom { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .site-header { padding: .65rem .85rem; gap: .5rem; }
  .brand img { width: 92px; }
  .brand span { display: none; }
  .nav-actions { gap: .3rem; }
  .icon-button.icon-only, .menu-toggle { width: 36px; height: 36px; }
  .story-section { padding: calc(var(--header-h) + 2rem) 0 4.2rem; align-items: flex-start; }
  h1 { font-size: clamp(2.25rem, 10.5vw, 3.65rem); }
  h2 { font-size: clamp(1.95rem, 9vw, 3.25rem); }
  .lead { font-size: 1rem; }
  .button { width: 100%; }
  .cta-row { width: 100%; }
  .hero-logo { width: 180px; }
  .hero-metrics, .stat-grid.compact, .stat-grid, .cert-grid, .segment-grid, .product-grid, .counter-grid, .esn-facts, .matrix-grid, .lesson-grid, .pillar-grid, .service-grid, .workflow-grid, .roadmap, .input-strip, .status-mini, .support-features, .footer-grid { grid-template-columns: 1fr; }
  .product-card button { grid-template-columns: auto 1fr; }
  .product-card button::after { grid-column: 1 / -1; justify-self: start; }
  .product-detail { padding-left: 1rem; }
  .usecase-pill { width: 100%; justify-content: space-between; }
  .section-controls { bottom: .55rem; }
  .source-cloud, .insight-cloud, .platform-core-visual { min-height: auto; }
  .final-section { text-align: left; }
  .final-inner, .final-inner h2, .final-inner .lead { margin-inline: 0; }
  .final-logo { margin-left: 0; }
  .cta-row.centered { justify-content: stretch; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
  #networkCanvas, .final-canvas { display: none; }
}

@media print {
  :root { --text: #4b4b4b; --muted: #4b4b4b; --soft: #4b4b4b; }
  body { background: var(--white); color: var(--dark-grey); }
  .site-header, .mobile-nav, .scroll-progress, .section-controls, .scroll-cue, .drawer, #networkCanvas, .final-canvas, .hero-bg { display: none !important; }
  .story-section { display: block; min-height: auto; padding: 32px 0; page-break-after: always; overflow: visible; color: var(--dark-grey); }
  .story-section::before, .story-section::after { display: none; }
  .section-inner { width: 92%; }
  h1, h2, h3, h4, p, .lead, .mini-label { color: var(--dark-grey); }
  .eyebrow { color: var(--blue); }
  .summary-card, .comparison-card, .segment-card, .cert-card, .product-card, .matrix-grid article, .lesson-grid article, .pillar-grid article, .service-card, .roadmap article, .source-cloud, .insight-cloud, .platform-core-visual, .visual-card, .premium-panel, .usecase-panel, .tab-panel, .support-visual, .phone-composite, .hero-metrics div, .stat, .counter-grid div, .esn-facts article { background: var(--white); color: var(--dark-grey); border: 1px solid var(--mid-grey); box-shadow: none; }
}

#platform-overview .section-kicker { margin-bottom: clamp(1rem, 2.4vw, 1.8rem); }
#platform-overview .lead { font-size: clamp(.98rem, 1.2vw, 1.08rem); }
#platform-overview .component-strip {
  position: relative;
  z-index: 3;
  margin-top: -3.65rem;
  padding-bottom: .4rem;
}