:root {
  --bg: #05081b;
  --bg-2: #09102a;
  --panel: rgba(15, 20, 51, 0.94);
  --panel-soft: rgba(255, 255, 255, 0.04);
  --line: rgba(255, 255, 255, 0.12);
  --line-soft: rgba(255, 255, 255, 0.08);
  --text: #ffffff;
  --muted: rgba(255, 255, 255, 0.72);
  --muted-2: rgba(255, 255, 255, 0.56);
  --cyan: #35d8ff;
  --purple: #b26dff;
  --green: #25D366;
  --shadow-sm: 0 10px 30px rgba(0, 0, 0, 0.22);
  --shadow-lg: 0 24px 80px rgba(0, 0, 0, 0.35);
  --container: 1200px;
  --radius-xl: 36px;
  --radius-lg: 28px;
  --radius-md: 22px;
  --radius-sm: 16px;
}

* { 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;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(53, 216, 255, 0.12), transparent 24%),
    radial-gradient(circle at top right, rgba(178, 109, 255, 0.12), transparent 20%),
    linear-gradient(180deg, #040718 0%, #05091f 45%, #040718 100%);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.container {
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(4, 7, 24, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.logo-frame {
  width: 92px;
  height: 92px;
  overflow: hidden;
  flex-shrink: 0;
}

.logo-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-copy {
  line-height: 1;
}

.brand-title {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: #fff;
}

.brand-subtitle {
  margin-top: 8px;
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.64);
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 13px;
  font-weight: 500;
}

.nav a {
  color: rgba(255, 255, 255, 0.88);
  white-space: nowrap;
}

.nav a:hover {
  color: #fff;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, opacity .18s ease, border-color .18s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

button.btn {
  appearance: none;
}

.btn-outline {
  background: #fff;
  color: #020617;
  border-color: #fff;
}

.btn-outline:hover {
  background: #f8fafc;
}

.btn-green {
  background: var(--green);
  color: #fff;
}

.btn-green:hover {
  opacity: 0.96;
}

.btn-large {
  min-height: 50px;
  padding: 0 26px;
}

.icon {
  width: 16px;
  height: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero {
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 42px;
  align-items: start;
  padding: 46px 0 88px;
}

.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  font-size: 13px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.92);
}

.hero-title {
  margin: 20px 0 0;
  max-width: 8ch;
  font-size: clamp(3rem, 7vw, 5.8rem);
  font-weight: 600;
  letter-spacing: -0.05em;
  line-height: 0.94;
}

.hero-subtitle {
  margin: 20px 0 0;
  max-width: 42rem;
  font-size: 17px;
  line-height: 2rem;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-note {
  margin: 16px 0 0;
  max-width: 44rem;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted-2);
}

.test-card {
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at top left, rgba(53, 216, 255, 0.10), transparent 28%),
    radial-gradient(circle at top right, rgba(178, 109, 255, 0.10), transparent 24%),
    linear-gradient(180deg, rgba(11, 16, 43, 0.98), rgba(12, 18, 46, 0.98));
  box-shadow: var(--shadow-lg);
  padding: 28px;
}

.test-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.small-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted-2);
}

.test-title {
  margin: 10px 0 0;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.02;
}

.status-pill {
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  font-size: 12px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.88);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.stat-box {
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  padding: 18px;
}

.stat-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted-2);
}

.stat-number {
  margin-top: 10px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.stat-unit {
  margin-top: 8px;
  font-size: 13px;
  color: var(--muted);
}

.meter-wrap {
  display: flex;
  justify-content: center;
  margin-top: 28px;
}

.meter {
  width: min(420px, 100%);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  padding: 28px;
  position: relative;
  background:
    radial-gradient(circle at center, rgba(5, 8, 27, 1) 0 48%, transparent 48%),
    conic-gradient(var(--cyan) 0deg, var(--purple) var(--meter-angle, 0deg), rgba(255,255,255,0.10) var(--meter-angle, 0deg), rgba(255,255,255,0.10) 360deg);
  box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.32);
}

.meter::after {
  content: "";
  position: absolute;
  inset: 28px;
  border-radius: 50%;
  background:
    radial-gradient(circle at top, rgba(255,255,255,0.06), transparent 42%),
    linear-gradient(180deg, rgba(9, 13, 35, 0.98), rgba(8, 11, 29, 0.98));
  border: 1px solid rgba(255,255,255,0.06);
}

.meter-inner {
  position: absolute;
  inset: 28px;
  z-index: 2;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 34px;
}

.meter-stage {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.20em;
  color: var(--muted-2);
}

.meter-value {
  margin-top: 10px;
  font-size: clamp(3rem, 8vw, 4.8rem);
  line-height: 1;
  letter-spacing: -0.06em;
}

.meter-unit {
  margin-top: 10px;
  font-size: 15px;
  color: var(--muted);
}

.progress-bar {
  height: 8px;
  margin-top: 24px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
}

.progress-fill {
  width: 0%;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan), var(--purple));
  transition: width .24s ease;
}

.test-actions {
  display: flex;
  gap: 12px;
  margin-top: 22px;
}

.test-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted-2);
}

.section {
  padding: 74px 0;
}

.section.alt {
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: rgba(255,255,255,0.03);
}

.eyebrow {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--muted-2);
}

.section-title {
  margin: 10px 0 0;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 600;
  letter-spacing: -0.05em;
  line-height: 1.02;
}

.section-copy {
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.75rem;
  color: var(--muted);
}

.two-col {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 36px;
  align-items: start;
}

.info-card,
.contact-card,
.faq-item {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  box-shadow: var(--shadow-sm);
}

.info-card {
  padding: 26px;
}

.info-card-title {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.info-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
}

.info-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255,255,255,0.9);
}

.check {
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan);
}

.faq-wrap {
  max-width: 60rem;
  margin: 0 auto;
}

.faq-list {
  display: grid;
  gap: 12px;
  margin-top: 40px;
}

.faq-item {
  padding: 24px;
}

.faq-question {
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 22px;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: "+";
  position: absolute;
  top: 0;
  right: 0;
  color: var(--muted-2);
  font-size: 18px;
  line-height: 1;
}

details[open] .faq-question::after {
  content: "−";
}

.faq-answer {
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.75rem;
  color: var(--muted);
}

.contact-outer {
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  box-shadow: var(--shadow-lg);
  padding: 32px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 0.86fr;
  gap: 32px;
  align-items: center;
}

.contact-card {
  padding: 28px 30px;
}

.contact-list {
  display: grid;
  gap: 24px;
}

.contact-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.contact-label {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}

.contact-value {
  margin-top: 4px;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.6;
}

.footer {
  padding: 28px 0 40px;
  text-align: center;
  font-size: 13px;
  color: var(--muted-2);
}

@media (max-width: 1180px) {
  .header-inner {
    flex-wrap: wrap;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 1024px) {
  .hero-inner,
  .two-col,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 760px) {
  .container {
    width: min(var(--container), calc(100% - 32px));
  }

  .nav {
    display: none;
  }

  .header-inner {
    padding: 12px 0;
    align-items: flex-start;
  }

  .header-actions {
    width: 100%;
    flex-direction: column;
  }

  .header-actions .btn,
  .hero-actions .btn,
  .test-actions .btn {
    width: 100%;
  }

  .logo-frame {
    width: 74px;
    height: 74px;
  }

  .brand-subtitle {
    display: none;
  }

  .hero-inner {
    padding: 34px 0 64px;
    gap: 28px;
  }

  .hero-actions,
  .test-actions {
    flex-direction: column;
  }

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

  .test-card,
  .contact-outer {
    padding: 22px;
  }

  .meter {
    width: min(320px, 100%);
  }

  .section {
    padding: 58px 0;
  }
}