:root {
  --bg: #07111f;
  --panel: #0d1b2d;
  --panel-soft: #12243b;
  --text: #f7fbff;
  --muted: #a7b6c9;
  --accent: #4cc9f0;
  --accent-2: #7bdff2;
  --border: rgba(255, 255, 255, 0.09);
  --success: #5ee3a2;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(76, 201, 240, 0.16), transparent 34%),
    linear-gradient(180deg, #07111f 0%, #081523 48%, #07111f 100%);
  color: var(--text);
  min-height: 100vh;
}

a {
  color: inherit;
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  background: linear-gradient(145deg, rgba(76, 201, 240, 0.18), rgba(76, 201, 240, 0.05));
  border: 1px solid rgba(76, 201, 240, 0.22);
}

.brand-mark svg {
  width: 24px;
  fill: var(--accent);
}

.brand-line {
  fill: none;
  stroke: var(--accent);
  stroke-width: 3;
  stroke-linecap: round;
}

.brand-copy {
  font-size: 1.08rem;
  letter-spacing: -0.02em;
}

.brand-copy strong {
  font-weight: 800;
}

.brand-copy span {
  color: var(--accent);
  font-weight: 700;
}

.status-pill {
  font-size: 0.78rem;
  color: var(--success);
  border: 1px solid rgba(94, 227, 162, 0.22);
  background: rgba(94, 227, 162, 0.08);
  padding: 8px 12px;
  border-radius: 999px;
  white-space: nowrap;
}

.hero {
  padding: 92px 0 76px;
  max-width: 940px;
}

.eyebrow,
.section-kicker {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  font-weight: 800;
  color: var(--accent);
}

.hero h1 {
  margin: 18px 0 22px;
  font-size: clamp(3rem, 8vw, 6.6rem);
  line-height: 0.96;
  letter-spacing: -0.06em;
  max-width: 980px;
}

.hero h1 span {
  color: var(--accent-2);
}

.hero-copy {
  color: var(--muted);
  font-size: clamp(1.04rem, 2vw, 1.28rem);
  line-height: 1.75;
  max-width: 810px;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 34px;
}

.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 20px;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 800;
  background: var(--accent);
  color: #042033;
  box-shadow: 0 12px 32px rgba(76, 201, 240, 0.2);
}

.secondary-note {
  color: var(--muted);
  font-size: 0.94rem;
}

.signal-card {
  margin-top: 46px;
  padding: 22px 24px;
  border-radius: 18px;
  background: rgba(13, 27, 45, 0.78);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.signal-card > div {
  display: flex;
  align-items: center;
  gap: 10px;
}

.signal-card p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.signal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 7px rgba(94, 227, 162, 0.1);
}

.tools-section {
  padding: 48px 0 84px;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.8fr);
  gap: 34px;
  align-items: end;
  margin-bottom: 28px;
}

.section-heading h2,
.principles h2 {
  margin: 10px 0 0;
  font-size: clamp(2rem, 4vw, 3.6rem);
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.section-heading p,
.principles p {
  color: var(--muted);
  line-height: 1.7;
  margin: 0;
}

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

.tool-card {
  position: relative;
  min-height: 250px;
  padding: 26px;
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(18, 36, 59, 0.95), rgba(10, 23, 39, 0.9));
  border: 1px solid var(--border);
  overflow: hidden;
}

.tool-card::after {
  content: "";
  position: absolute;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: rgba(76, 201, 240, 0.06);
  top: -70px;
  right: -55px;
}

.tool-number {
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 800;
  letter-spacing: 0.14em;
}

.tool-card h3 {
  margin: 34px 0 12px;
  font-size: 1.45rem;
  letter-spacing: -0.03em;
}

.tool-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
  max-width: 440px;
}

.tool-tag {
  display: inline-flex;
  margin-top: 24px;
  font-size: 0.76rem;
  color: #c7f4ff;
  border: 1px solid rgba(76, 201, 240, 0.16);
  background: rgba(76, 201, 240, 0.07);
  padding: 7px 10px;
  border-radius: 999px;
}

.principles {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 36px;
  align-items: center;
  margin: 0 0 72px;
  padding: 34px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 26px 0 38px;
  color: #7f91a6;
  border-top: 1px solid var(--border);
  font-size: 0.88rem;
}

@media (max-width: 760px) {
  .page-shell {
    width: min(100% - 24px, 1180px);
  }

  .site-header {
    padding: 18px 0;
  }

  .brand-copy {
    font-size: 0.98rem;
  }

  .status-pill {
    font-size: 0.7rem;
    padding: 7px 9px;
  }

  .hero {
    padding: 62px 0 54px;
  }

  .hero h1 {
    margin-top: 14px;
    font-size: clamp(2.8rem, 14vw, 4.8rem);
  }

  .section-heading,
  .principles {
    grid-template-columns: 1fr;
  }

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

  .tool-card {
    min-height: 220px;
  }

  .principles {
    padding: 26px;
  }

  .site-footer {
    flex-direction: column;
  }
}