:root {
  color-scheme: dark;
  --bg: #05070b;
  --bg-soft: #0b1118;
  --panel: rgba(255, 255, 255, 0.07);
  --panel-strong: rgba(255, 255, 255, 0.11);
  --text: #f4f7fb;
  --muted: #aeb9c8;
  --quiet: #778396;
  --line: rgba(255, 255, 255, 0.14);
  --accent: #55d6be;
  --accent-2: #79a8ff;
  --accent-3: #ffd166;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  --radius: 8px;
  --max: 1160px;
  font-family: "IBM Plex Sans Arabic", "Noto Sans Arabic", "Segoe UI", Tahoma, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  direction: rtl;
  background:
    radial-gradient(circle at 18% 8%, rgba(85, 214, 190, 0.14), transparent 34rem),
    radial-gradient(circle at 84% 18%, rgba(121, 168, 255, 0.14), transparent 32rem),
    linear-gradient(180deg, #05070b 0%, #071019 46%, #05070b 100%);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img,
svg {
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(5, 7, 11, 0.74);
  backdrop-filter: blur(20px);
  transition: background 220ms ease, border-color 220ms ease;
}

.site-header.is-scrolled {
  border-color: rgba(255, 255, 255, 0.13);
  background: rgba(5, 7, 11, 0.88);
}

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

.nav-shell {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16);
  overflow: hidden;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.brand-text strong {
  display: block;
  font-size: 1rem;
  line-height: 1.2;
}

.brand-text span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.5;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.9rem;
  padding: 10px 12px;
  border-radius: 999px;
  transition: color 180ms ease, background 180ms ease, transform 180ms ease;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a[aria-current="page"] {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  outline: none;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
  border-radius: 2px;
}

.hero {
  position: relative;
  min-height: clamp(640px, calc(86vh - 72px), 820px);
  display: grid;
  align-items: center;
  padding: 58px 0 36px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.95fr);
  align-items: center;
  gap: 58px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  background: rgba(85, 214, 190, 0.09);
  border: 1px solid rgba(85, 214, 190, 0.22);
  border-radius: 999px;
  padding: 7px 13px;
  font-size: 0.86rem;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 850px;
  margin-bottom: 18px;
  font-size: clamp(2.15rem, 4.2vw, 3.85rem);
  line-height: 1.1;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(1.45rem, 2.35vw, 2.3rem);
  line-height: 1.18;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.04rem;
  line-height: 1.35;
}

.lead {
  max-width: 760px;
  color: #d5deea;
  font-size: clamp(0.98rem, 1.1vw, 1.06rem);
}

.section-copy {
  max-width: 760px;
  color: var(--muted);
  font-size: 0.94rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  font-weight: 700;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.13);
  outline: none;
}

.button.primary {
  color: #06100f;
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), #b7fff1);
}

.button.ghost {
  color: #dce8f4;
}

.device-stage {
  position: relative;
  min-height: 520px;
  display: grid;
  place-items: center;
}

.device-panel {
  width: min(420px, 100%);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.04)),
    rgba(8, 14, 23, 0.82);
  box-shadow: var(--shadow);
  padding: 24px;
}

.device-screen {
  border-radius: 22px;
  background:
    linear-gradient(160deg, rgba(85, 214, 190, 0.24), rgba(121, 168, 255, 0.1) 44%, rgba(255, 209, 102, 0.08)),
    #071017;
  border: 1px solid rgba(255, 255, 255, 0.13);
  padding: 24px;
}

.screen-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.86rem;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 24px rgba(85, 214, 190, 0.9);
}

.metric {
  margin: 40px 0 22px;
}

.metric strong {
  display: block;
  font-size: 4.5rem;
  line-height: 1;
}

.metric span {
  color: var(--muted);
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.mini-card {
  min-height: 104px;
  border-radius: 16px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.mini-card span {
  display: block;
  color: var(--quiet);
  font-size: 0.82rem;
}

.mini-card strong {
  display: block;
  margin-top: 12px;
  font-size: 1.2rem;
}

.section {
  padding: 64px 0;
}

.section.compact {
  padding: 36px 0;
}

.light-surface {
  background: #f5f7fb;
  color: #10151d;
}

.mist-surface {
  background: linear-gradient(135deg, #e8f8f7 0%, #f8fbff 54%, #eef3ff 100%);
  color: #10151d;
}

.blue-surface {
  background: linear-gradient(135deg, #dff7ff 0%, #f7fbff 52%, #eaf0ff 100%);
  color: #10151d;
}

.visual-band {
  background:
    linear-gradient(135deg, rgba(85, 214, 190, 0.08), rgba(121, 168, 255, 0.1)),
    #071018;
  border-block: 1px solid rgba(255, 255, 255, 0.08);
}

.light-surface .eyebrow,
.mist-surface .eyebrow,
.blue-surface .eyebrow {
  color: #006c62;
  background: rgba(0, 108, 98, 0.08);
  border-color: rgba(0, 108, 98, 0.18);
}

.light-surface .section-copy,
.light-surface .card p,
.light-surface .wide-card p,
.light-surface .resource-row span,
.mist-surface .section-copy,
.mist-surface .card p,
.mist-surface .wide-card p,
.mist-surface .resource-row span,
.blue-surface .section-copy,
.blue-surface .card p,
.blue-surface .wide-card p,
.blue-surface .resource-row span {
  color: #4a5567;
}

.light-surface .card,
.light-surface .wide-card,
.light-surface .resource-row,
.mist-surface .card,
.mist-surface .wide-card,
.mist-surface .resource-row,
.blue-surface .card,
.blue-surface .wide-card,
.blue-surface .resource-row {
  background: rgba(255, 255, 255, 0.78);
  border-color: rgba(16, 21, 29, 0.08);
  box-shadow: 0 14px 42px rgba(33, 47, 69, 0.08);
}

.light-surface .tag,
.mist-surface .tag,
.blue-surface .tag {
  color: #4a5567;
  border-color: rgba(16, 21, 29, 0.1);
  background: rgba(255, 255, 255, 0.7);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 42px;
  align-items: start;
}

.visual-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(320px, 1.12fr);
  gap: 44px;
  align-items: center;
}

.flow-panel {
  display: grid;
  gap: 12px;
}

.flow-card {
  min-height: 96px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px 16px;
  align-items: center;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.055);
  box-shadow: 0 18px 58px rgba(0, 0, 0, 0.16);
}

.flow-card span {
  grid-row: span 2;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #08110f;
  background: var(--accent);
  font-weight: 800;
}

.flow-card strong {
  font-size: 1.08rem;
}

.flow-card em {
  color: var(--muted);
  font-style: normal;
  font-size: 0.86rem;
}

.flow-card.is-lit {
  margin-inline-start: 8%;
  background: linear-gradient(135deg, rgba(85, 214, 190, 0.16), rgba(255, 255, 255, 0.055));
}

.flow-card.is-warm {
  margin-inline-start: 16%;
  background: linear-gradient(135deg, rgba(255, 209, 102, 0.14), rgba(255, 255, 255, 0.055));
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: end;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.card,
.wide-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 20px;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.18);
}

.card {
  min-height: 196px;
}

.card p,
.wide-card p {
  color: var(--muted);
  margin-bottom: 0;
}

.video-grid,
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.video-card,
.product-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.18);
  position: relative;
}

.product-card::before {
  content: "";
  display: block;
  height: 5px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  opacity: 0.75;
}

.product-media {
  min-height: 172px;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 28% 22%, rgba(85, 214, 190, 0.2), transparent 12rem),
    linear-gradient(135deg, rgba(255, 255, 255, 0.09), rgba(121, 168, 255, 0.1)),
    #0a121c;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  overflow: hidden;
}

.product-media::before {
  content: "";
  position: absolute;
  inset: auto 16% 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.28);
  filter: blur(12px);
}

.product-media > * {
  z-index: 1;
}

.device-shape {
  position: relative;
  width: 92px;
  height: 92px;
  border: 1px solid rgba(255, 255, 255, 0.76);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.9), rgba(222, 231, 238, 0.72) 54%, rgba(170, 187, 201, 0.54)),
    rgba(255, 255, 255, 0.5);
  box-shadow: 0 28px 68px rgba(0, 0, 0, 0.36), inset 0 1px 0 rgba(255, 255, 255, 0.86);
  color: #0a9c8b;
}

.device-shape::before,
.device-shape::after {
  content: "";
  position: absolute;
  background: currentColor;
}

.signal-rings,
.presence-zone,
.motion-beam,
.safety-halo,
.magnet-piece,
.temp-reading {
  position: absolute;
}

.signal-rings {
  width: 136px;
  height: 136px;
  border: 1px solid rgba(85, 214, 190, 0.26);
  border-radius: 26px;
  transform: rotate(-8deg);
}

.presence-zone,
.safety-halo {
  width: 152px;
  height: 152px;
  border: 1px solid rgba(121, 168, 255, 0.26);
  border-radius: 50%;
}

.motion-beam {
  width: 170px;
  height: 92px;
  border: 1px solid rgba(85, 214, 190, 0.24);
  border-radius: 999px;
  transform: rotate(-14deg);
}

.magnet-piece {
  width: 22px;
  height: 78px;
  margin-inline-start: 122px;
  border-radius: 10px;
  background: rgba(237, 244, 249, 0.88);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.28);
}

.temp-reading {
  margin-top: 8px;
  color: #0c1720;
  font-size: 1.08rem;
  font-weight: 800;
}

.media-door {
  background:
    radial-gradient(circle at 34% 18%, rgba(121, 168, 255, 0.24), transparent 12rem),
    linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(85, 214, 190, 0.08)),
    #0a121c;
}

.media-presence {
  background:
    radial-gradient(circle at 50% 48%, rgba(121, 168, 255, 0.22), transparent 11rem),
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(85, 214, 190, 0.1)),
    #0a121c;
}

.media-temp {
  background:
    radial-gradient(circle at 70% 24%, rgba(255, 209, 102, 0.2), transparent 11rem),
    linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(121, 168, 255, 0.08)),
    #0a121c;
}

.shape-vibration {
  border-radius: 24px;
}

.shape-vibration::before {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  top: 16px;
  right: 16px;
}

.shape-vibration::after {
  width: 38px;
  height: 2px;
  left: 18px;
  bottom: 22px;
  box-shadow: 0 -10px 0 currentColor, 0 10px 0 currentColor;
}

.shape-door {
  width: 82px;
  border-radius: 18px;
}

.shape-door::before {
  width: 2px;
  height: 54px;
  top: 12px;
  right: 42px;
  opacity: 0.8;
}

.shape-door::after {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  top: 38px;
  left: 18px;
}

.shape-presence {
  border-radius: 50%;
}

.shape-presence::before {
  width: 42px;
  height: 42px;
  border: 2px solid currentColor;
  border-radius: 50%;
  background: transparent;
  inset: 18px;
}

.shape-presence::after {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  inset: 33px;
}

.shape-motion {
  border-radius: 28px;
  transform: rotate(8deg);
}

.shape-motion::before {
  width: 46px;
  height: 46px;
  border: 2px solid currentColor;
  border-radius: 50%;
  background: transparent;
  top: 16px;
  right: 16px;
}

.shape-motion::after {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  top: 34px;
  right: 34px;
}

.shape-temp {
  width: 110px;
  height: 78px;
  border-radius: 18px;
}

.shape-temp::before {
  width: 44px;
  height: 3px;
  right: 24px;
  top: 24px;
  box-shadow: 0 13px 0 currentColor;
}

.shape-temp::after {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  left: 18px;
  bottom: 16px;
}

.shape-smoke {
  border-radius: 50%;
}

.shape-smoke::before {
  width: 34px;
  height: 34px;
  border: 2px solid currentColor;
  border-radius: 50%;
  background: transparent;
  inset: 22px;
}

.shape-smoke::after {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  top: 18px;
  left: 38px;
  box-shadow: -14px 16px 0 currentColor, 16px 22px 0 currentColor, 4px 42px 0 currentColor;
}

.video-card img,
.product-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #101820;
}

.buy-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 9px;
  margin-top: 14px;
}

.buy-links > div {
  display: block;
}

.buy-link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 40px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: #dce8f4;
  background: rgba(255, 255, 255, 0.06);
  font-weight: 700;
  font-size: 0.88rem;
  text-align: start;
}

.buy-link::after {
  content: "↗";
  direction: ltr;
  color: var(--accent);
  font-size: 0.9rem;
}

.buy-link:hover,
.buy-link:focus-visible {
  color: #06100f;
  background: linear-gradient(135deg, var(--accent), #b7fff1);
  outline: none;
}

.buy-link.disabled {
  color: var(--quiet);
  cursor: not-allowed;
  pointer-events: none;
}

.video-body,
.product-body {
  padding: 18px;
}

.video-body p,
.product-body p {
  color: var(--muted);
}

.product-body h3 {
  font-size: 1.02rem;
  line-height: 1.45;
  margin-bottom: 8px;
}

.product-body p {
  font-size: 0.9rem;
  line-height: 1.58;
}

.spec-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 16px 0 0;
}

.spec-list div {
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.045);
}

.spec-list dt,
.spec-list dd {
  margin: 0;
}

.spec-list dt {
  color: var(--quiet);
  font-size: 0.74rem;
}

.spec-list dd {
  color: #dce8f4;
  font-size: 0.84rem;
  font-weight: 700;
}

.meta-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  color: var(--quiet);
  font-size: 0.82rem;
}

.social-links {
  margin-top: 24px;
}

.social-icon-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.social-icon {
  width: 40px;
  height: 40px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: #dce8f4;
  font-size: 0;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.social-icon svg {
  width: 18px;
  height: 18px;
  display: block;
  fill: currentColor;
}

.social-icon:hover,
.social-icon:focus-visible {
  transform: translateY(-2px);
  color: #06100f;
  background: linear-gradient(135deg, var(--accent), #b7fff1);
  outline: none;
}

.mist-surface .social-icon,
.light-surface .social-icon,
.blue-surface .social-icon {
  color: #10151d;
  border-color: rgba(16, 21, 29, 0.1);
  background: rgba(255, 255, 255, 0.72);
}

.mist-surface .social-icon:hover,
.mist-surface .social-icon:focus-visible,
.light-surface .social-icon:hover,
.light-surface .social-icon:focus-visible,
.blue-surface .social-icon:hover,
.blue-surface .social-icon:focus-visible {
  color: #06100f;
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), #b7fff1);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 22px;
  align-items: start;
}

.contact-form {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 24px;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.18);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.field {
  display: grid;
  gap: 7px;
}

.field.full {
  grid-column: 1 / -1;
}

.field label {
  color: #dce8f4;
  font-weight: 700;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
  padding: 11px 14px;
  font: inherit;
}

.field textarea {
  min-height: 150px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid rgba(85, 214, 190, 0.34);
  outline-offset: 2px;
}

.form-note {
  margin: 14px 0 0;
  color: var(--quiet);
  font-size: 0.9rem;
}

.glossary-tools {
  display: grid;
  grid-template-columns: minmax(260px, 420px) 1fr auto;
  gap: 12px;
  align-items: center;
  margin-top: 30px;
}

.search-field {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
  padding: 10px 18px;
  font: inherit;
}

.search-field::placeholder {
  color: var(--quiet);
}

.search-field:focus {
  outline: 2px solid rgba(85, 214, 190, 0.34);
  outline-offset: 2px;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-chip {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.055);
  color: var(--muted);
  padding: 8px 12px;
  font: inherit;
  cursor: pointer;
}

.filter-chip:hover,
.filter-chip:focus-visible,
.filter-chip.is-active {
  color: #06100f;
  background: linear-gradient(135deg, var(--accent), #b7fff1);
  border-color: transparent;
  outline: none;
}

.glossary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 34px;
}

.glossary-results {
  margin-top: 16px;
}

.glossary-category {
  margin-top: 48px;
}

.glossary-category h2 {
  font-size: clamp(1.8rem, 3vw, 2.7rem);
}

.glossary-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 22px;
}

.glossary-card h3 {
  margin-top: 16px;
  margin-bottom: 4px;
}

.english-term {
  color: var(--accent);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 14px;
  text-align: right;
}

.term-example {
  margin-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 14px;
  color: #cbd6e4;
  font-size: 0.95rem;
}

.term-example strong {
  color: var(--text);
}

.icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  margin-bottom: 18px;
  color: var(--accent);
  background: rgba(85, 214, 190, 0.1);
  border: 1px solid rgba(85, 214, 190, 0.22);
}

.number-list {
  counter-reset: step;
  display: grid;
  gap: 14px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.number-list li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  align-items: start;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.56);
}

.number-list li::before {
  content: counter(step);
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(121, 168, 255, 0.14);
  color: #142b61;
  font-weight: 800;
}

.feature-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
}

.feature-strip div {
  min-height: 112px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: var(--radius);
  background:
    linear-gradient(160deg, rgba(85, 214, 190, 0.12), rgba(121, 168, 255, 0.06)),
    rgba(255, 255, 255, 0.055);
}

.feature-strip span {
  display: block;
  color: var(--quiet);
  font-size: 0.82rem;
}

.feature-strip strong {
  display: block;
  margin-top: 16px;
  font-size: 1rem;
}

.band {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.015));
}

.resource-list {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.resource-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.055);
}

.resource-row span,
.tag,
.small {
  color: var(--muted);
  font-size: 0.92rem;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.tag {
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 999px;
  padding: 6px 10px;
  background: rgba(255, 255, 255, 0.05);
}

.page-hero {
  padding: 68px 0 44px;
}

.page-hero h1 {
  font-size: clamp(2.05rem, 4.2vw, 3.75rem);
}

.start-hero {
  padding-bottom: 56px;
}

.start-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(360px, 1.18fr);
  gap: 34px;
  align-items: center;
}

.start-hero-copy {
  min-width: 0;
}

.start-hero-visual {
  position: relative;
  display: block;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(85, 214, 190, 0.08), rgba(121, 168, 255, 0.1)),
    #071018;
  box-shadow: 0 24px 76px rgba(0, 0, 0, 0.34);
  isolation: isolate;
}

.start-hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 7, 11, 0.1), rgba(5, 7, 11, 0.26)),
    linear-gradient(0deg, rgba(5, 7, 11, 0.22), transparent 42%);
  pointer-events: none;
  z-index: 1;
}

.start-hero-visual img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  object-fit: cover;
  object-position: center;
}

.start-path-section {
  padding-top: 52px;
}

.start-path-grid {
  max-width: 920px;
}

.start-number-list {
  margin-top: 0;
}

.start-number-list li {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.035)),
    rgba(8, 14, 23, 0.74);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.16);
}

.start-number-list li::before {
  color: #08110f;
  background: var(--accent);
}

.start-number-list p {
  color: var(--muted);
  margin-bottom: 0;
}

.breadcrumbs {
  color: var(--quiet);
  margin-bottom: 22px;
  font-size: 0.92rem;
}

.breadcrumbs a {
  color: #c4d0df;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.045);
}

table {
  width: 100%;
  min-width: 980px;
  border-collapse: collapse;
}

th,
td {
  padding: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  text-align: right;
  vertical-align: top;
}

th {
  color: #e9f3ff;
  font-size: 0.92rem;
  background: rgba(255, 255, 255, 0.06);
}

td {
  color: var(--muted);
}

td strong {
  color: var(--text);
}

.placeholder-link {
  color: var(--accent);
  font-weight: 700;
}

.video-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(85, 214, 190, 0.18), rgba(121, 168, 255, 0.1)),
    #080e17;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 28px;
}

.video-frame p {
  color: #dce7f3;
  margin: 0;
}

.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.notice {
  border: 1px solid rgba(255, 209, 102, 0.28);
  border-radius: var(--radius);
  background: rgba(255, 209, 102, 0.08);
  padding: 22px;
}

.notice p:last-child {
  margin-bottom: 0;
}

.site-footer {
  padding: 44px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 18px;
  align-items: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-links a {
  color: #c9d5e5;
}

@media (max-width: 920px) {
  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    inset: 72px 20px auto 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(5, 7, 11, 0.96);
    box-shadow: var(--shadow);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    border-radius: 12px;
  }

  .hero-grid,
  .split,
  .visual-grid,
  .start-hero-grid,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .device-stage {
    min-height: auto;
  }

  .card-grid,
  .video-grid,
  .product-grid,
  .glossary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section-head {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .start-hero-visual {
    max-width: 640px;
    margin-inline: auto;
  }

  .glossary-tools {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .nav-shell,
  .section-inner {
    width: min(100% - 28px, var(--max));
  }

  .brand-text span {
    display: none;
  }

  .hero,
  .section {
    padding: 54px 0;
  }

  h1 {
    font-size: clamp(2.05rem, 10vw, 3.2rem);
  }

  h2 {
    font-size: clamp(1.55rem, 7.5vw, 2.35rem);
  }

  .lead {
    font-size: 1rem;
  }

  .actions,
  .resource-row,
  .footer-grid {
    display: grid;
    grid-template-columns: 1fr;
  }

  .card-grid,
  .video-grid,
  .product-grid,
  .glossary-grid,
  .feature-strip,
  .spec-list {
    grid-template-columns: 1fr;
  }

  .flow-card,
  .flow-card.is-lit,
  .flow-card.is-warm {
    margin-inline-start: 0;
  }

  .product-media {
    min-height: 154px;
  }

  .start-hero {
    padding-bottom: 44px;
  }

  .start-hero-grid {
    gap: 28px;
  }

  .start-hero-visual img {
    aspect-ratio: 4 / 5;
    object-position: center top;
  }

  .start-path-section {
    padding-top: 46px;
  }
}

@media (max-width: 700px) {
  .form-grid {
    display: grid;
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .card-grid,
  .video-grid,
  .product-grid,
  .glossary-grid {
    grid-template-columns: 1fr;
  }

  .device-panel {
    border-radius: 22px;
    padding: 14px;
  }

  .device-screen {
    padding: 18px;
  }

  .metric strong {
    font-size: 3.5rem;
  }
}