:root {
  --bg: #080a0f;
  --bg-soft: #10141d;
  --surface: rgba(255, 255, 255, 0.055);
  --surface-strong: rgba(255, 255, 255, 0.095);
  --line: rgba(255, 255, 255, 0.14);
  --text: #f4f7fb;
  --muted: #aab3c2;
  --teal: #3fe0c5;
  --amber: #f8b84e;
  --rose: #ee6a8c;
  --blue: #5aa7ff;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
  --cyan: #3fe0c5;
  --green: #a8ff7a;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 8%, rgba(63, 224, 197, 0.16), transparent 28rem),
    radial-gradient(circle at 90% 12%, rgba(238, 106, 140, 0.13), transparent 24rem),
    linear-gradient(135deg, #080a0f 0%, #10131b 45%, #080a0f 100%);
  line-height: 1.6;
  min-width: 320px;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent 72%);
  z-index: -2;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.tech-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  opacity: 0.48;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(8, 10, 15, 0.78);
  backdrop-filter: blur(18px);
}

.brand,
.main-nav,
.hero-actions,
.contact-actions {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  overflow: hidden;
  border: 1px solid rgba(63, 224, 197, 0.5);
  background: linear-gradient(135deg, rgba(63, 224, 197, 0.2), rgba(90, 167, 255, 0.12));
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 38%;
}

.main-nav {
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.main-nav a {
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.9rem;
  transition: color 180ms ease, background 180ms ease;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
}

.section-band {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(64px, 9vw, 112px) 0;
}

.hero {
  min-height: calc(100vh - 78px);
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.72fr);
  align-items: center;
  gap: clamp(32px, 6vw, 88px);
  padding-top: clamp(48px, 6vw, 80px);
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 850px;
  font-size: clamp(2.35rem, 6vw, 5.9rem);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 10px;
  font-size: 1.8rem;
  line-height: 1.25;
}

.hero-lead,
.timeline-content p,
.value-card p,
.education-panel p,
.faq-list p,
.tax-info {
  color: var(--muted);
}

.hero-lead {
  max-width: 720px;
  margin: 26px 0 0;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
}

.hero-actions {
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border-radius: 8px;
  font-weight: 750;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
  border: none;
}

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

.button-primary {
  color: #06100f;
  background: var(--teal);
}

.button-secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.impact-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 760px;
  margin: 42px 0 0;
  padding: 1px;
  background: var(--line);
  box-shadow: var(--shadow);
}

.impact-strip div {
  padding: 20px;
  background: rgba(12, 16, 24, 0.9);
}

.impact-strip dt {
  color: var(--amber);
  font-size: 1.65rem;
  font-weight: 800;
  line-height: 1;
}

.impact-strip dd {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-panel {
  display: grid;
  gap: 16px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(12, 16, 24, 0.9), rgba(8, 10, 15, 0.8));
  box-shadow: var(--shadow);
}

.scan-card {
  position: relative;
  min-height: 220px;
  padding: 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(63, 224, 197, 0.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(63, 224, 197, 0.08) 1px, transparent 1px),
    rgba(255, 255, 255, 0.025);
  background-size: 28px 28px;
}

.scan-card::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, transparent, rgba(63, 224, 197, 0.18), transparent);
  animation: scan 4.8s ease-in-out infinite;
}

@keyframes scan {
  0% {
    transform: translateY(-100%);
  }
  100% {
    transform: translateY(100%);
  }
}

.status-dot {
  display: block;
  width: 11px;
  height: 11px;
  margin-bottom: 68px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 22px var(--green);
}

.scan-card p,
.scan-card strong {
  position: relative;
  z-index: 1;
}

.scan-card p {
  color: var(--muted);
}

.scan-card strong {
  display: block;
  max-width: 240px;
  font-size: 1.5rem;
  line-height: 1.1;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.metric-grid div {
  min-height: 96px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.metric-grid span {
  display: block;
  color: var(--amber);
  font-size: 1.28rem;
  font-weight: 800;
}

.metric-grid p {
  margin: 4px 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.section-heading {
  margin-bottom: 42px;
}

.kit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.kit-card {
  padding: 32px 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
}

.kit-card.featured {
  border-color: rgba(63, 224, 197, 0.5);
  background: linear-gradient(180deg, rgba(63, 224, 197, 0.12), rgba(8, 10, 15, 0.85));
  box-shadow: var(--shadow);
}

.kit-label {
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}

.price {
  font-size: 2.3rem;
  font-weight: 800;
  margin: 12px 0 2px;
  line-height: 1;
}

.period {
  font-size: 1rem;
  font-weight: 500;
  color: var(--muted);
}

.tax-info {
  font-size: 0.84rem;
  margin-top: 0;
  margin-bottom: 24px;
  line-height: 1.4;
}

.kit-card ul {
  display: grid;
  gap: 12px;
  margin: 0 0 32px;
  padding: 0;
  list-style: none;
  flex-grow: 1;
}

.kit-card li {
  padding-left: 16px;
  border-left: 2px solid rgba(63, 224, 197, 0.3);
  color: var(--muted);
  font-size: 0.94rem;
}

.kit-card li strong {
  color: var(--text);
}

.card-action .purchase-btn {
  width: 100%;
  text-align: center;
}

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

.value-card {
  border: 1px solid var(--line);
  background: var(--surface);
  backdrop-filter: blur(16px);
  padding: 24px;
  border-radius: 8px;
}

.card-index {
  color: var(--rose);
  font-weight: 800;
  font-size: 0.84rem;
}

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

.faq-list details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 18px 20px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 750;
  outline: none;
}

.faq-list p {
  margin: 14px 0 0;
  font-size: 0.94rem;
}

.contact {
  display: grid;
  grid-template-columns: minmax(260px, 0.78fr) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 84px);
  align-items: center;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.contact-actions {
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 12px;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
  transition: transform 180ms ease, border-color 180ms ease;
}

.contact-link:hover {
  border-color: rgba(63, 224, 197, 0.5);
  transform: translateY(-2px);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 42px;
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 920px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-toggle {
    display: block;
    position: absolute;
    top: 18px;
    right: 20px;
  }

  .main-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    margin-top: 16px;
    gap: 4px;
  }

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

  .main-nav a {
    padding: 12px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-panel {
    margin-top: 32px;
  }

  .kit-grid,
  .value-grid {
    grid-template-columns: 1fr;
  }

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

  .contact-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 680px) {
  .site-header {
    padding: 14px 20px;
  }

  .section-band {
    width: min(100% - 28px, 1180px);
    padding: 54px 0;
  }

  h1 {
    font-size: clamp(2.2rem, 14vw, 3.65rem);
  }

  .impact-strip {
    grid-template-columns: 1fr;
  }

  .site-footer {
    flex-direction: column;
    gap: 12px;
  }
}