:root {
  --bg: #07111f;
  --bg-soft: #0d1d33;
  --panel: rgba(10, 23, 43, 0.72);
  --panel-strong: rgba(7, 17, 31, 0.88);
  --line: rgba(135, 172, 218, 0.18);
  --text: #e8f1ff;
  --muted: #9fb2ce;
  --primary: #49a2ff;
  --primary-deep: #1163d4;
  --accent: #48d7a3;
  --accent-soft: #baf5df;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Helvetica Neue", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(73, 162, 255, 0.24), transparent 28%),
    radial-gradient(circle at 80% 20%, rgba(72, 215, 163, 0.18), transparent 18%),
    radial-gradient(circle at bottom center, rgba(17, 99, 212, 0.14), transparent 30%),
    linear-gradient(135deg, #08111e 0%, #0a1930 48%, #07111f 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), transparent 85%);
}

.page-shell {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 64px;
}

.topbar {
  position: sticky;
  top: 16px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 84px;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(6, 13, 24, 0.62);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  align-self: stretch;
  gap: 12px;
  color: var(--text);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.brand img {
  display: block;
  width: auto;
  height: 100%;
  max-height: 62px;
  object-fit: contain;
}

.nav {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 18px;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.98rem;
}

.nav a:hover {
  color: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 28px;
  align-items: stretch;
  padding: 84px 0 52px;
}

.hero-copy,
.hero-panel,
.section,
.cta-card {
  position: relative;
}

.hero-copy {
  padding: 28px 8px 28px 0;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-soft);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

h1,
h2,
h3,
strong {
  margin: 0;
}

h1 {
  max-width: 12ch;
  font-size: clamp(3.2rem, 7vw, 5.8rem);
  line-height: 0.96;
  letter-spacing: -0.05em;
}

h2 {
  max-width: 14ch;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

h3 {
  font-size: 1.3rem;
  line-height: 1.1;
}

.hero-text,
.about-grid p,
.product-card p,
.loop-card p,
.cta-card p {
  color: var(--muted);
  line-height: 1.7;
  font-size: 1.03rem;
}

.hero-text {
  max-width: 58ch;
  margin: 20px 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

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

.button-primary {
  color: #04111f;
  background: linear-gradient(135deg, var(--accent) 0%, #73f0c3 100%);
}

.button-secondary {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.hero-panel,
.product-card,
.loop-card,
.cta-card,
.contact-form input,
.contact-form select,
.contact-form textarea {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.hero-panel,
.product-card,
.loop-card,
.cta-card {
  backdrop-filter: blur(12px);
}

.hero-panel {
  padding: 22px;
  border-radius: 28px;
  overflow: hidden;
}

.hero-panel::after,
.section-accent::before,
.cta-card::before {
  content: "";
  position: absolute;
  border-radius: 999px;
  filter: blur(18px);
  pointer-events: none;
}

.hero-panel::after {
  width: 180px;
  height: 180px;
  right: -40px;
  top: -30px;
  background: rgba(72, 215, 163, 0.16);
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.signal-card {
  padding: 18px;
  border: 1px solid rgba(135, 172, 218, 0.14);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.04);
}

.signal-card strong {
  display: block;
  margin-top: 6px;
  font-size: 1.05rem;
  line-height: 1.35;
}

.signal-card-primary {
  min-height: 170px;
  padding: 22px;
  background:
    radial-gradient(circle at top right, rgba(72, 215, 163, 0.16), transparent 34%),
    linear-gradient(160deg, rgba(73, 162, 255, 0.12), rgba(255, 255, 255, 0.04));
}

.signal-label,
.product-pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.signal-label {
  color: var(--accent-soft);
  background: rgba(72, 215, 163, 0.08);
}

.section {
  padding: 42px 0;
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.about-grid,
.product-grid,
.loop-grid {
  display: grid;
  gap: 18px;
}

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

.section-accent {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 32px;
  background:
    radial-gradient(circle at 12% 10%, rgba(72, 215, 163, 0.12), transparent 24%),
    rgba(255, 255, 255, 0.03);
}

.section-accent::before {
  width: 220px;
  height: 220px;
  left: -60px;
  bottom: -80px;
  background: rgba(17, 99, 212, 0.18);
}

.product-grid {
  grid-template-columns: 1.2fr 1fr 1fr;
}

.product-card {
  padding: 22px;
  border-radius: 26px;
}

.product-card-featured {
  background:
    linear-gradient(155deg, rgba(73, 162, 255, 0.12), rgba(255, 255, 255, 0.04)),
    var(--panel);
}

.product-header {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 14px;
}

.product-pill {
  color: #04111f;
  width: fit-content;
  background: linear-gradient(135deg, var(--accent), #73f0c3);
}

.product-pill-muted {
  color: var(--accent-soft);
  background: rgba(72, 215, 163, 0.08);
}

.feature-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.6;
}

.feature-list li + li {
  margin-top: 10px;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
}

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

.loop-card {
  min-height: 220px;
  padding: 22px;
  border-radius: 24px;
}

.loop-card span {
  color: var(--accent-soft);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.loop-card h3 {
  margin-top: 16px;
}

.loop-card p {
  margin-top: 12px;
}

.section-cta {
  padding-bottom: 0;
}

.cta-card {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 28px;
  padding: 28px;
  border-radius: 30px;
  background:
    radial-gradient(circle at top right, rgba(73, 162, 255, 0.18), transparent 26%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
}

.cta-card::before {
  width: 200px;
  height: 200px;
  right: -50px;
  bottom: -90px;
  background: rgba(72, 215, 163, 0.2);
}

.cta-copy {
  flex: 1 1 360px;
}

.contact-form {
  position: relative;
  z-index: 1;
  display: flex;
  flex: 1 1 420px;
  flex-direction: column;
  gap: 16px;
  width: min(100%, 520px);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-field span {
  color: var(--accent-soft);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 16px;
  color: var(--text);
  font: inherit;
  outline: none;
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.contact-form input,
.contact-form select {
  min-height: 52px;
}

.contact-form textarea {
  resize: vertical;
  min-height: 132px;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(232, 241, 255, 0.45);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: rgba(72, 215, 163, 0.48);
  background: rgba(255, 255, 255, 0.06);
}

.form-field-full {
  width: 100%;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.form-note {
  margin: 0;
  max-width: 32ch;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

@media (max-width: 980px) {
  .hero,
  .product-grid,
  .loop-grid,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    padding-right: 0;
  }

  h1,
  h2 {
    max-width: none;
  }

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

  .contact-form {
    width: 100%;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100% - 24px, 1200px);
    padding-top: 16px;
  }

  .topbar {
    position: static;
    flex-direction: column;
    align-items: flex-start;
    min-height: auto;
    padding: 14px 18px;
  }

  .nav {
    gap: 14px;
  }

  .brand {
    align-self: auto;
  }

  .brand img {
    height: 48px;
    max-height: none;
  }

  .hero {
    padding-top: 42px;
  }

  .hero-panel,
  .section-accent,
  .product-card,
  .loop-card,
  .cta-card {
    border-radius: 22px;
  }

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

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