:root {
  --bg: #f4f7fb;
  --bg-soft: #ebf1f7;
  --panel: rgba(255, 255, 255, 0.78);
  --panel-strong: rgba(255, 255, 255, 0.92);
  --line: rgba(14, 23, 38, 0.08);
  --line-strong: rgba(14, 23, 38, 0.14);
  --text: #0d1526;
  --muted: #5f6b7f;
  --accent: #00bcd4;
  --accent-strong: #0a7fff;
  --accent-soft: rgba(0, 188, 212, 0.14);
  --ink-soft: #23314b;
  --shadow: 0 28px 90px rgba(17, 34, 68, 0.12);
  --radius-lg: 32px;
  --radius-md: 24px;
  --radius-sm: 18px;
  --max-width: 1240px;
  --header-height: 84px;
  --transition: 280ms cubic-bezier(0.2, 0.9, 0.2, 1);
  --font-display: "Avenir Next", "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Plus Jakarta Sans", "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", "Consolas", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(0, 188, 212, 0.12), transparent 24%),
    radial-gradient(circle at 0% 25%, rgba(10, 127, 255, 0.08), transparent 30%),
    linear-gradient(180deg, #fcfdff 0%, #f4f7fb 48%, #eef3f8 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

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

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

ul {
  margin: 0;
  padding-left: 1.2rem;
}

.page-backdrop,
.page-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
}

.page-backdrop::before,
.page-backdrop::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(42px);
  opacity: 0.8;
}

.page-backdrop::before {
  width: 34rem;
  height: 34rem;
  top: -12rem;
  right: -6rem;
  background: rgba(0, 188, 212, 0.18);
}

.page-backdrop::after {
  width: 30rem;
  height: 30rem;
  left: -8rem;
  top: 30rem;
  background: rgba(10, 127, 255, 0.12);
}

.page-noise {
  z-index: -1;
  opacity: 0.05;
  background-image:
    linear-gradient(transparent 0, transparent 49%, rgba(8, 17, 35, 0.28) 50%, transparent 51%, transparent 100%),
    linear-gradient(90deg, transparent 0, transparent 49%, rgba(8, 17, 35, 0.25) 50%, transparent 51%, transparent 100%);
  background-size: 5px 5px, 5px 5px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  width: min(calc(100% - 32px), var(--max-width));
  margin: 16px auto 0;
  padding: 12px 18px;
  border: 1px solid rgba(255, 255, 255, 0.74);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(22px);
  box-shadow: 0 18px 44px rgba(13, 21, 38, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 22px 58px rgba(13, 21, 38, 0.1);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  position: relative;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.14) 40%),
    linear-gradient(135deg, #0b1a30, #00bcd4);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.44),
    0 10px 26px rgba(10, 127, 255, 0.25);
}

.brand-mark span {
  position: absolute;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
}

.brand-mark span:nth-child(1) {
  left: 11px;
  top: 10px;
  width: 20px;
  height: 4px;
}

.brand-mark span:nth-child(2) {
  left: 11px;
  top: 19px;
  width: 16px;
  height: 4px;
}

.brand-mark span:nth-child(3) {
  left: 11px;
  top: 28px;
  width: 24px;
  height: 4px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1;
}

.brand-text strong {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.02em;
}

.brand-text small {
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--ink-soft);
  font-size: 0.96rem;
}

.main-nav a {
  position: relative;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  transform: scaleX(0);
  transform-origin: left;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  transition: transform var(--transition);
}

.main-nav a:hover::after,
.main-nav a.is-active::after {
  transform: scaleX(1);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  padding: 14px 20px;
  font-weight: 600;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
}

.header-cta,
.button-primary {
  color: #f9fbff;
  background: linear-gradient(135deg, #0c1730, #0a7fff 60%, #00bcd4);
  box-shadow: 0 14px 36px rgba(10, 127, 255, 0.28);
}

.button-secondary {
  color: var(--ink-soft);
  border: 1px solid rgba(13, 21, 38, 0.1);
  background: rgba(255, 255, 255, 0.7);
}

.header-cta:hover,
.button:hover {
  transform: translateY(-2px);
}

main {
  padding-bottom: 70px;
}

.section {
  width: min(calc(100% - 40px), var(--max-width));
  margin: 0 auto;
}

.hero {
  min-height: calc(100svh - 16px);
  padding-top: clamp(48px, 8vw, 72px);
  padding-bottom: 70px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}

.eyebrow,
.section-kicker,
.card-kicker,
.scenario-label,
.deploy-note-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  font-size: 0.88rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 0 0 6px rgba(0, 188, 212, 0.12);
}

.hero h1,
.section-heading h2,
.cta-panel h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.96;
  color: #09111f;
}

.hero h1 {
  max-width: 11ch;
  font-size: clamp(3.9rem, 7.6vw, 7rem);
}

.hero-lead,
.section-heading p,
.card-copy p,
.feature-card p,
.scenario-copy p,
.solution-card p,
.deploy-step p,
.deploy-note p,
.cta-panel p {
  color: var(--muted);
  line-height: 1.8;
  font-size: 1.02rem;
}

.hero-lead {
  max-width: 37rem;
  margin: 24px 0 0;
  font-size: 1.08rem;
}

.hero-actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

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

.metric-card,
.feature-card,
.scenario-shell,
.simulator,
.solution-card,
.deploy-step,
.deploy-note,
.cta-panel,
.visual-shell,
.result-card {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.72);
  background: var(--panel);
  backdrop-filter: blur(24px);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.metric-card,
.feature-card,
.result-card,
.solution-card,
.deploy-step,
.deploy-note {
  border-radius: var(--radius-md);
}

.metric-card {
  padding: 22px;
}

.metric-card p,
.scenario-stat span,
.result-card span {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.95rem;
}

.metric-card strong,
.scenario-stat strong,
.result-card strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw, 2.8rem);
  letter-spacing: -0.04em;
}

.metric-card > span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

.hero-visual {
  position: relative;
}

.visual-shell {
  min-height: 700px;
  border-radius: 42px;
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.76) 30%, rgba(9, 17, 31, 0.04) 100%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(230, 238, 247, 0.72));
  border: 1px solid rgba(255, 255, 255, 0.74);
}

.visual-shell::before,
.visual-shell::after {
  content: "";
  position: absolute;
  inset: 22px;
  border-radius: 30px;
  border: 1px solid rgba(14, 23, 38, 0.06);
}

.visual-shell::after {
  inset: auto 10% 60px;
  height: 160px;
  filter: blur(24px);
  background: rgba(10, 127, 255, 0.08);
  border: none;
}

.hero-orb {
  position: absolute;
  inset: 50% auto auto 50%;
  width: 290px;
  height: 290px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.88), transparent 35%),
    radial-gradient(circle at 50% 45%, rgba(10, 127, 255, 0.78), rgba(11, 26, 48, 0.95));
  box-shadow:
    0 0 0 18px rgba(255, 255, 255, 0.35),
    0 40px 90px rgba(10, 127, 255, 0.24);
  animation: float 8s ease-in-out infinite;
}

.hero-core {
  position: absolute;
  inset: 24%;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.38);
  background: radial-gradient(circle, rgba(255, 255, 255, 0.26), transparent 70%);
}

.orbital-ring {
  position: absolute;
  inset: 50% auto auto 50%;
  border-radius: 50%;
  border: 1px solid rgba(13, 21, 38, 0.08);
  transform: translate(-50%, -50%);
}

.ring-a {
  width: 380px;
  height: 380px;
}

.ring-b {
  width: 500px;
  height: 500px;
}

.ring-c {
  width: 620px;
  height: 620px;
}

.pulse-node {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ffffff, var(--accent));
  box-shadow: 0 0 0 10px rgba(0, 188, 212, 0.12);
}

.pulse-node::after {
  content: "";
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  border: 1px solid rgba(0, 188, 212, 0.24);
  animation: pulse 2.4s ease-out infinite;
}

.node-a {
  top: 23%;
  left: 28%;
}

.node-b {
  top: 34%;
  right: 20%;
}

.node-c {
  bottom: 28%;
  left: 20%;
}

.node-d {
  bottom: 20%;
  right: 26%;
}

.node-e {
  top: 12%;
  left: 50%;
}

.floating-panel {
  position: absolute;
  padding: 18px 20px;
  width: min(250px, calc(100% - 48px));
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 20px 60px rgba(10, 127, 255, 0.12);
  backdrop-filter: blur(18px);
}

.panel-tag {
  display: inline-block;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(0, 188, 212, 0.1);
  color: var(--accent-strong);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.floating-panel strong {
  display: block;
  margin-top: 14px;
  font-size: 1.12rem;
}

.floating-panel p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.7;
  font-size: 0.95rem;
}

.panel-a {
  top: 10%;
  right: 8%;
  animation: drift 6.5s ease-in-out infinite;
}

.panel-b {
  left: 7%;
  bottom: 14%;
  animation: drift 7.2s ease-in-out infinite 1.4s;
}

.panel-c {
  right: 10%;
  bottom: 8%;
  animation: drift 7s ease-in-out infinite 0.8s;
}

.ticker {
  margin: 10px auto 34px;
  width: min(calc(100% - 40px), var(--max-width));
  padding: 12px 0;
  overflow: hidden;
  border-top: 1px solid rgba(14, 23, 38, 0.08);
  border-bottom: 1px solid rgba(14, 23, 38, 0.08);
}

.ticker-track {
  display: flex;
  gap: 16px;
  min-width: max-content;
  animation: marquee 28s linear infinite;
}

.ticker-track span {
  padding: 11px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(13, 21, 38, 0.08);
  color: var(--ink-soft);
  white-space: nowrap;
}

.capabilities,
.network-panel,
.simulator-section,
.solutions,
.deploy-section,
.cta-section {
  padding-top: 90px;
}

.section-heading {
  max-width: 820px;
}

.section-heading h2 {
  font-size: clamp(2.7rem, 5vw, 4.8rem);
}

.section-heading p {
  margin-top: 18px;
  max-width: 44rem;
}

.feature-grid,
.solutions-grid,
.deploy-flow {
  margin-top: 36px;
  display: grid;
  gap: 18px;
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card {
  min-height: 260px;
  padding: 28px;
}

.feature-card-large {
  grid-column: span 2;
  min-height: 320px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(260px, 0.95fr);
  gap: 28px;
  align-items: stretch;
}

.feature-card h3,
.solution-card h3,
.deploy-step h3,
.deploy-note h3,
.scenario-copy h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.3vw, 2rem);
  letter-spacing: -0.03em;
}

.feature-card p,
.solution-card p,
.deploy-step p,
.deploy-note p {
  margin: 14px 0 0;
}

.latency-board {
  display: grid;
  gap: 14px;
  padding: 24px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(9, 17, 31, 0.9), rgba(17, 32, 58, 0.96));
  color: #edf6ff;
}

.latency-line {
  display: grid;
  grid-template-columns: 4rem 1fr auto;
  align-items: center;
  gap: 12px;
}

.latency-line span,
.latency-line em {
  font-style: normal;
  font-size: 0.94rem;
  color: rgba(237, 246, 255, 0.8);
}

.latency-line b {
  display: block;
  height: 10px;
  width: var(--line);
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
}

.scenario-shell,
.simulator,
.cta-panel {
  border-radius: calc(var(--radius-lg) + 2px);
}

.scenario-shell {
  margin-top: 36px;
  padding: 26px;
  background:
    radial-gradient(circle at top right, rgba(0, 188, 212, 0.12), transparent 26%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(241, 246, 252, 0.9));
}

.scenario-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.scenario-tab,
.mode-button {
  border: 1px solid rgba(13, 21, 38, 0.08);
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink-soft);
  padding: 12px 18px;
  border-radius: 999px;
  transition: transform var(--transition), color var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.scenario-tab.is-active,
.mode-button.is-active {
  color: #f9fbff;
  background: linear-gradient(135deg, #0c1730, #0a7fff 62%, #00bcd4);
  border-color: transparent;
  box-shadow: 0 14px 30px rgba(10, 127, 255, 0.24);
}

.scenario-content {
  margin-top: 26px;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 22px;
  align-items: stretch;
}

.scenario-copy {
  padding: 20px 8px 20px 6px;
}

.scenario-copy h3 {
  margin-top: 8px;
}

.scenario-copy p {
  margin: 16px 0 0;
}

.scenario-list {
  margin-top: 22px;
  display: grid;
  gap: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.scenario-visual {
  display: grid;
  gap: 16px;
}

.map-card {
  position: relative;
  min-height: 320px;
  padding: 22px;
  border-radius: 30px;
  background:
    radial-gradient(circle at center, rgba(0, 188, 212, 0.12), transparent 44%),
    linear-gradient(180deg, #0b1324, #10213c);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
  overflow: hidden;
}

.map-card::before,
.map-card::after {
  content: "";
  position: absolute;
  inset: 14%;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.map-card::after {
  inset: 26%;
}

.map-grid {
  position: relative;
  width: 100%;
  height: 100%;
}

.map-node {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(241, 247, 255, 0.9);
  backdrop-filter: blur(8px);
}

.map-node::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 0 0 6px rgba(255, 255, 255, 0.08);
}

.map-node.is-hot::before {
  background: var(--accent);
  box-shadow: 0 0 0 8px rgba(0, 188, 212, 0.14);
}

.north-america {
  top: 20%;
  left: 8%;
}

.europe {
  top: 18%;
  left: 44%;
}

.asia {
  top: 38%;
  right: 12%;
}

.oceania {
  right: 22%;
  bottom: 18%;
}

.middle-east {
  bottom: 24%;
  left: 40%;
}

.scenario-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.scenario-stat {
  padding: 20px;
  border-radius: 22px;
  border: 1px solid rgba(13, 21, 38, 0.08);
  background: rgba(255, 255, 255, 0.86);
}

.simulator {
  margin-top: 36px;
  padding: 30px;
  display: grid;
  grid-template-columns: minmax(280px, 0.95fr) minmax(0, 1.05fr);
  gap: 22px;
}

.simulator-controls {
  padding: 8px;
}

.simulator-controls label {
  display: block;
  font-size: 0.92rem;
  color: var(--muted);
  margin-bottom: 16px;
}

.range-header {
  margin-bottom: 20px;
}

.range-header strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw, 2.6rem);
  letter-spacing: -0.04em;
}

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

input[type="range"] {
  width: 100%;
  accent-color: var(--accent-strong);
}

.mode-switch {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.simulator-results {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.result-card {
  padding: 24px;
  min-height: 190px;
}

.result-card p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.result-card-accent {
  background: linear-gradient(145deg, rgba(9, 17, 31, 0.92), rgba(17, 32, 58, 0.95));
  color: #f4fbff;
}

.result-card-accent span,
.result-card-accent p {
  color: rgba(244, 251, 255, 0.8);
}

.result-card-accent strong {
  font-size: clamp(1.6rem, 2vw, 2rem);
  line-height: 1.2;
}

.solutions-grid,
.deploy-flow {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.solution-card,
.deploy-step {
  padding: 28px;
}

.solution-card ul {
  margin-top: 18px;
  display: grid;
  gap: 10px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.deploy-layout {
  margin-top: 36px;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: 18px;
  align-items: stretch;
}

.deploy-step span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 16px;
  background: rgba(0, 188, 212, 0.1);
  color: var(--accent-strong);
  font-weight: 700;
  margin-bottom: 20px;
}

.deploy-note {
  padding: 30px;
  background:
    radial-gradient(circle at top right, rgba(0, 188, 212, 0.16), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(237, 244, 251, 0.92));
}

.deploy-code {
  display: inline-block;
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(9, 17, 31, 0.92);
  color: #f2fbff;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1.8;
}

.cta-panel {
  margin-top: 36px;
  padding: clamp(32px, 4vw, 48px);
  background:
    radial-gradient(circle at top right, rgba(0, 188, 212, 0.18), transparent 28%),
    radial-gradient(circle at bottom left, rgba(10, 127, 255, 0.14), transparent 26%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(237, 244, 251, 0.92));
}

.cta-panel h2 {
  max-width: 14ch;
  font-size: clamp(3rem, 5vw, 5.2rem);
}

.cta-panel p {
  max-width: 44rem;
  margin-top: 16px;
}

.spotlight-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background:
    radial-gradient(circle at var(--spotlight-x, 50%) var(--spotlight-y, 50%), rgba(255, 255, 255, 0.72), transparent 22%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.22), transparent);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.spotlight-card:hover::before {
  opacity: 1;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@keyframes pulse {
  from {
    opacity: 0.75;
    transform: scale(0.85);
  }
  to {
    opacity: 0;
    transform: scale(1.5);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translate(-50%, -50%);
  }
  50% {
    transform: translate(-50%, calc(-50% - 18px));
  }
}

@keyframes drift {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@media (max-width: 1180px) {
  .hero,
  .scenario-content,
  .simulator,
  .deploy-layout {
    grid-template-columns: 1fr;
  }

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

  .feature-card-large {
    grid-column: span 2;
  }

  .solutions-grid,
  .deploy-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .visual-shell {
    min-height: 620px;
  }
}

@media (max-width: 900px) {
  .site-header {
    width: min(calc(100% - 20px), var(--max-width));
    padding: 10px 14px;
  }

  .main-nav {
    display: none;
  }

  .hero h1 {
    max-width: none;
  }

  .hero-metrics,
  .scenario-stats,
  .simulator-results {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .solutions-grid,
  .deploy-flow {
    grid-template-columns: 1fr;
  }

  .feature-card-large {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }

  .visual-shell {
    min-height: 560px;
  }

  .hero-orb {
    width: 220px;
    height: 220px;
  }

  .ring-a {
    width: 280px;
    height: 280px;
  }

  .ring-b {
    width: 360px;
    height: 360px;
  }

  .ring-c {
    width: 450px;
    height: 450px;
  }
}

@media (max-width: 640px) {
  .section {
    width: min(calc(100% - 24px), var(--max-width));
  }

  .site-header {
    margin-top: 12px;
    gap: 12px;
  }

  .header-cta {
    padding: 12px 16px;
    font-size: 0.92rem;
  }

  .hero {
    padding-top: 34px;
    padding-bottom: 42px;
  }

  .hero h1 {
    font-size: clamp(3rem, 17vw, 4.6rem);
  }

  .section-heading h2,
  .cta-panel h2 {
    font-size: clamp(2.4rem, 12vw, 3.4rem);
  }

  .hero-actions,
  .scenario-tabs,
  .mode-switch {
    flex-direction: column;
  }

  .button,
  .scenario-tab,
  .mode-button {
    width: 100%;
  }

  .visual-shell {
    min-height: 500px;
    padding-bottom: 34px;
  }

  .floating-panel {
    position: relative;
    top: auto;
    right: auto;
    left: auto;
    bottom: auto;
    width: auto;
    margin: 18px;
    animation: none;
  }

  .hero-orb,
  .orbital-ring,
  .pulse-node {
    opacity: 0.72;
  }

  .scenario-shell,
  .simulator,
  .cta-panel {
    padding: 22px;
  }

  .deploy-code {
    width: 100%;
    overflow-x: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}