:root {
  --bg: #060606;
  --panel: #0f0f12;
  --text: #f7f7f4;
  --muted: #b9b8c6;
  --mint: #38ddb8;
  --mint-strong: #22c7a5;
  --lavender: #ececf8;
  --lavender-deep: #d8daf3;
  --ink: #15161e;
  --soft-ink: #2a2f3f;
  --line: rgba(255, 255, 255, 0.08);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Space Grotesk", "Noto Sans SC", "HarmonyOS Sans SC", "PingFang SC", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(56, 221, 184, 0.15), transparent 28%),
    radial-gradient(circle at 85% 16%, rgba(104, 118, 255, 0.18), transparent 24%),
    #030303;
  color: var(--text);
}

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

button {
  font: inherit;
}

.page-shell {
  min-height: 100vh;
  overflow: clip;
}

.site-header,
.hero,
.metrics,
.method-stage,
.moments,
.platform,
.capabilities,
.closing-cta {
  width: min(1320px, calc(100vw - 72px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 26px 0;
  backdrop-filter: blur(18px);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 8px -20px;
  background: rgba(12, 12, 16, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 24px;
  z-index: -1;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-logo {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 0 0 8px rgba(56, 221, 184, 0.08);
}

.brand-copy {
  display: grid;
  gap: 6px;
  line-height: 1.25;
}

.brand-copy strong {
  font-size: 1rem;
  letter-spacing: 0.1em;
  line-height: 1.15;
}

.brand-copy em {
  color: var(--muted);
  font-style: normal;
  font-size: 0.78rem;
  line-height: 1.35;
}

.site-nav {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.site-nav button,
.ghost-button,
.secondary-button {
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: transparent;
  color: var(--text);
  border-radius: 999px;
  padding: 10px 16px;
  cursor: pointer;
  transition: 0.22s ease;
}

.site-nav button:hover,
.ghost-button:hover,
.secondary-button:hover {
  border-color: rgba(255, 255, 255, 0.28);
  transform: translateY(-1px);
}

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  padding: 84px 0 88px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--mint);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.84rem;
  font-weight: 700;
}

.eyebrow.dark {
  color: #1b9b83;
}

.section-heading.light .eyebrow {
  color: var(--mint);
}

.hero h1 {
  margin: 0;
  font-size: clamp(3.4rem, 8vw, 6.6rem);
  line-height: 1.04;
  letter-spacing: -0.05em;
}

.hero h1 span {
  display: block;
  margin-top: 0.18em;
  color: #ffffff;
}

.hero-text {
  max-width: 720px;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: 1.12rem;
  line-height: 1.92;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}

.primary-button {
  border: 0;
  background: linear-gradient(135deg, var(--mint), var(--mint-strong));
  color: #071311;
  border-radius: 16px;
  padding: 15px 22px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 16px 34px rgba(56, 221, 184, 0.24);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.primary-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 40px rgba(56, 221, 184, 0.32);
}

.signal-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.signal-strip span {
  padding: 9px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: #dfe2ef;
  font-size: 0.9rem;
}

.hero-visual {
  position: relative;
  min-height: 720px;
}

.hero-card {
  position: absolute;
  overflow: hidden;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(180deg, rgba(31, 31, 36, 0.96), rgba(8, 8, 10, 0.98));
  box-shadow: var(--shadow);
}

.hero-card-main {
  inset: 18px 10px 130px 84px;
  transform: rotate(5deg);
}

.hero-card-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: left top;
  opacity: 0.9;
}

.hero-card-header {
  position: absolute;
  inset: 0 0 auto 0;
  display: flex;
  justify-content: space-between;
  padding: 18px 22px;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent);
  z-index: 1;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
}

.metrics {
  padding: 82px 0 42px;
}

.section-heading {
  max-width: 900px;
}

.section-heading h2 {
  margin: 0;
  color: inherit;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.06;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  margin-top: 38px;
}

.metric-card {
  min-height: 240px;
  padding: 30px;
  border-radius: 32px;
  background: linear-gradient(180deg, rgba(19, 19, 24, 0.96), rgba(10, 10, 12, 0.96));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.metric-card.emphasis {
  grid-column: span 2;
  background:
    radial-gradient(circle at top right, rgba(56, 221, 184, 0.24), transparent 38%),
    linear-gradient(180deg, rgba(20, 28, 25, 0.98), rgba(8, 10, 9, 0.98));
}

.metric-label {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 0.92rem;
}

.metric-card h3 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.04;
}

.metric-card p:last-child {
  margin: 16px 0 0;
  color: var(--muted);
  line-height: 1.85;
}

.method-stage {
  padding: 86px 0 42px;
}

.method-stage-top {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: end;
}

.method-note {
  margin: 0;
  color: #555d74;
  line-height: 1.9;
}

.method-board {
  margin-top: 38px;
  padding: 42px;
  border-radius: 44px;
  background:
    linear-gradient(180deg, rgba(245, 245, 255, 0.98), rgba(233, 235, 250, 0.98));
  color: var(--ink);
}

.topic-tabs {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 10px;
  border-radius: 24px;
  background: rgba(108, 116, 171, 0.1);
}

.topic-tab {
  border: 0;
  background: transparent;
  color: #39415b;
  padding: 16px 22px;
  border-radius: 18px;
  font-weight: 700;
  cursor: pointer;
  transition: 0.22s ease;
}

.topic-tab.active {
  background: #ffffff;
  color: #111525;
  box-shadow: 0 10px 30px rgba(86, 95, 161, 0.12);
}

.topic-panels {
  margin-top: 30px;
}

.topic-panel {
  display: none;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 40px;
  align-items: stretch;
}

.topic-panel.active {
  display: grid;
}

.topic-copy {
  padding: 34px 18px 28px 6px;
}

.panel-index {
  margin: 0;
  color: #7d87ac;
  font-size: 0.92rem;
  letter-spacing: 0.12em;
}

.topic-copy h3 {
  margin: 22px 0 24px;
  font-size: clamp(2rem, 4vw, 3.7rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.topic-copy p {
  margin: 0;
  color: #48506b;
  line-height: 1.9;
}

.topic-copy ul {
  margin: 28px 0 0;
  padding-left: 20px;
  color: #1e2337;
  line-height: 1.9;
}

.topic-visual {
  min-height: 580px;
  border-radius: 34px;
  background: #0c0c12;
  overflow: hidden;
  box-shadow: 0 24px 50px rgba(27, 34, 78, 0.16);
}

.topic-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.topic-visual-illustration {
  background:
    radial-gradient(circle at 16% 18%, rgba(56, 221, 184, 0.24), transparent 22%),
    radial-gradient(circle at 78% 10%, rgba(101, 87, 255, 0.2), transparent 24%),
    #0c0c12;
}

.moments {
  padding: 96px 0 48px;
}

.moment-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 38px;
}

.moment-card {
  min-height: 270px;
  padding: 32px;
  border-radius: 32px;
  background:
    linear-gradient(180deg, rgba(22, 23, 28, 0.96), rgba(9, 10, 12, 0.98));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.moment-card.featured {
  grid-column: span 2;
}

.moment-card.featured {
  background:
    radial-gradient(circle at top right, rgba(56, 221, 184, 0.22), transparent 32%),
    linear-gradient(180deg, rgba(19, 20, 24, 0.96), rgba(8, 8, 10, 0.98));
}

.moment-meta {
  margin: 0 0 20px;
  color: var(--mint);
  font-size: 0.92rem;
}

.moment-card h3 {
  margin: 0;
  font-size: 1.55rem;
  line-height: 1.2;
}

.moment-card p:last-child {
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.9;
}

.platform {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 40px;
  align-items: center;
  margin-top: 84px;
  padding: 54px;
  border-radius: 48px;
  background:
    linear-gradient(180deg, rgba(237, 239, 252, 0.98), rgba(222, 225, 247, 0.98));
  color: var(--ink);
}

.platform h2 {
  margin: 0;
  font-size: clamp(2.1rem, 4vw, 3.6rem);
  line-height: 1.06;
}

.platform-copy > p:not(.eyebrow) {
  color: #4c5570;
  line-height: 2;
}

.platform-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.platform-points article {
  padding: 24px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(76, 85, 112, 0.08);
}

.platform-points h3 {
  margin: 0 0 12px;
  font-size: 1.1rem;
}

.platform-points p {
  margin: 0;
  color: #56607d;
  line-height: 1.8;
}

.platform-visual img {
  width: 100%;
  min-height: 470px;
}

.capabilities {
  padding: 90px 0 68px;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 34px;
}

.capability-card {
  min-height: 250px;
  padding: 34px;
  border-radius: 34px;
  background:
    linear-gradient(180deg, rgba(21, 22, 28, 0.96), rgba(8, 9, 12, 0.98));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.capability-card h3 {
  margin: 0 0 18px;
  font-size: 1.5rem;
}

.capability-card p {
  margin: 0;
  color: var(--muted);
  line-height: 2;
}

.closing-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  margin: 36px auto 84px;
  padding: 44px 46px;
  border-radius: 38px;
  background:
    linear-gradient(90deg, rgba(18, 24, 22, 0.96), rgba(10, 12, 12, 0.96));
  border: 1px solid rgba(56, 221, 184, 0.14);
}

.closing-cta h2 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 3rem);
  line-height: 1.12;
}

.site-footer {
  width: min(1320px, calc(100vw - 72px));
  margin: 0 auto 36px;
  text-align: center;
}

.site-footer p {
  margin: 0;
  color: rgba(247, 247, 244, 0.6);
  font-size: 0.92rem;
  line-height: 1.7;
}

@media (max-width: 1080px) {
  .site-header {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero,
  .method-stage-top,
  .platform,
  .topic-panel {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 600px;
  }

  .hero-card-main {
    inset: 12px 8px 110px 36px;
  }

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

  .moment-card.featured {
    grid-column: span 2;
  }

  .capability-grid,
  .platform-points {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .site-header,
  .hero,
  .metrics,
  .method-stage,
  .moments,
  .platform,
  .capabilities,
  .closing-cta,
  .site-footer {
    width: min(100vw - 28px, 1320px);
  }

  .site-header {
    padding: 14px 0;
  }

  .site-header::before {
    inset: 4px -2px;
    border-radius: 20px;
  }

  .site-nav {
    justify-content: center;
    flex-wrap: wrap;
  }

  .hero {
    gap: 34px;
    padding: 42px 0 54px;
  }

  .hero h1 {
    font-size: clamp(2.8rem, 15vw, 4.4rem);
  }

  .hero-text,
  .topic-copy p,
  .moment-card p:last-child,
  .platform-copy > p:not(.eyebrow),
  .capability-card p {
    font-size: 0.98rem;
  }

  .hero-visual {
    min-height: 420px;
  }

  .hero-card-main {
    inset: 0 0 100px 0;
    transform: none;
  }

  .metric-grid {
    grid-template-columns: 1fr;
  }

  .metric-card.emphasis {
    grid-column: auto;
  }

  .moment-grid {
    grid-template-columns: 1fr;
  }

  .moment-card.featured {
    grid-column: auto;
  }

  .method-board,
  .platform,
  .closing-cta {
    padding: 26px;
    border-radius: 28px;
  }

  .topic-copy {
    padding: 10px 0;
  }

  .topic-copy h3 {
    font-size: clamp(1.8rem, 10vw, 2.6rem);
  }

  .topic-visual {
    min-height: 320px;
  }

  .closing-cta {
    align-items: flex-start;
    flex-direction: column;
  }
}