:root {
  color-scheme: dark;
  --bg: #0f172a;
  --surface: #111827;
  --surface-strong: #1f2937;
  --text: #f8fafc;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-dark: #0ea5e9;
  --border: rgba(148, 163, 184, 0.15);
  --shadow: 0 24px 48px rgba(2, 6, 23, 0.32);
  --shadow-soft: 0 12px 26px rgba(2, 6, 23, 0.22);
  font-family: Manrope, "Avenir Next", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 14% -10%, rgba(56, 189, 248, 0.16), transparent 34%),
    radial-gradient(circle at 90% 8%, rgba(14, 165, 233, 0.1), transparent 26%),
    linear-gradient(180deg, #0b1222 0%, var(--bg) 44%, #0b1222 100%);
  color: var(--text);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(148, 163, 184, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.04) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: radial-gradient(circle at center, rgba(0, 0, 0, 0.5), transparent 78%);
}

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

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

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--accent);
  color: var(--bg);
  padding: 0.75rem 1rem;
  text-decoration: none;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(9, 16, 30, 0.84);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.13);
  box-shadow: 0 10px 26px rgba(2, 6, 23, 0.35);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

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

.brand-logo {
  width: min(100%, 350px);
  height: auto;
  filter: drop-shadow(0 10px 18px rgba(2, 6, 23, 0.34));
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.nav-list a:hover,
.nav-list a:focus,
.nav-list a[aria-current="page"] {
  color: var(--text);
  border-color: rgba(56, 189, 248, 0.35);
  background: rgba(56, 189, 248, 0.08);
}

.hero {
  padding: 5rem 0 3.5rem;
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 1.25rem;
  align-items: stretch;
}

.hero-content {
  background: linear-gradient(145deg, rgba(17, 24, 39, 0.86), rgba(15, 23, 42, 0.74));
  border: 1px solid rgba(56, 189, 248, 0.18);
  border-radius: 1.5rem;
  padding: clamp(1.5rem, 2.4vw, 2.5rem);
  box-shadow: var(--shadow-soft);
}

.hero-panel {
  display: grid;
  align-content: start;
  gap: 1rem;
  padding: 1.35rem 1.2rem;
  border-radius: 1.5rem;
  border: 1px solid rgba(56, 189, 248, 0.28);
  background: linear-gradient(160deg, rgba(8, 14, 28, 0.88), rgba(17, 24, 39, 0.82));
  box-shadow: var(--shadow-soft);
}

.hero-panel-icon {
  width: 72px;
  border-radius: 0.9rem;
}

.hero-panel-kicker {
  margin: 0;
  color: #c7d5e7;
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.hero-panel-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.7rem;
}

.hero-panel-list li {
  padding: 0.7rem 0.85rem;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 0.85rem;
  color: #dbe8f5;
  font-weight: 600;
  line-height: 1.35;
}

.hero-panel-link {
  margin-top: 0.25rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
  line-height: 1.35;
}

.hero-panel-link:hover,
.hero-panel-link:focus-visible {
  text-decoration: underline;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.85rem;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--text);
}

h1 {
  font-size: clamp(2.45rem, 4vw, 4rem);
  line-height: 1.08;
  text-wrap: balance;
}

h2 {
  font-size: clamp(1.75rem, 2.5vw, 2.5rem);
  margin-bottom: 1rem;
}

.lead,
p {
  color: var(--muted);
}

.lead {
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.45rem;
  border: 1px solid transparent;
  border-radius: 999px;
  text-decoration: none;
  cursor: pointer;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

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

.button.primary {
  background: linear-gradient(90deg, var(--accent), #7dd3fc);
  color: var(--bg);
  box-shadow: 0 10px 24px rgba(14, 165, 233, 0.32);
}

.button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(148, 163, 184, 0.28);
  color: var(--text);
}

.section {
  padding: 3.5rem 0;
}

.section-highlight {
  background: linear-gradient(150deg, rgba(17, 24, 39, 0.9), rgba(15, 23, 42, 0.84));
  border: 1px solid rgba(56, 189, 248, 0.2);
  box-shadow: var(--shadow);
  padding: 3rem 1.5rem;
  border-radius: 1.5rem;
}

.section-header {
  margin-bottom: 2rem;
}

.section-subtitle {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.cards {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.card {
  padding: 1.75rem;
  background: linear-gradient(160deg, rgba(17, 24, 39, 0.9), rgba(31, 41, 55, 0.62));
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover,
.card:focus-within {
  transform: translateY(-3px);
  border-color: rgba(56, 189, 248, 0.35);
}

.benefits-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.benefits-list li {
  background: linear-gradient(160deg, rgba(17, 24, 39, 0.9), rgba(31, 41, 55, 0.68));
  padding: 1.25rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
}

.testimonial {
  margin: 0;
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
}

.testimonial p {
  margin: 0 0 1rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
  gap: 2rem;
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.form-group {
  display: grid;
  gap: 0.5rem;
}

label {
  font-weight: 600;
  color: var(--text);
}

input,
textarea {
  border: 1px solid rgba(148, 163, 184, 0.28);
  border-radius: 0.85rem;
  padding: 0.95rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  width: 100%;
}

input:focus,
textarea:focus,
button:focus-visible {
  outline: 3px solid rgba(56, 189, 248, 0.9);
  outline-offset: 3px;
}

textarea {
  min-height: 160px;
  resize: vertical;
}

.visually-hidden {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  margin: 0;
  color: var(--accent);
}

.field-optional {
  font-weight: 400;
  opacity: 0.6;
  font-size: 0.875em;
}

.contact-details {
  padding: 2rem;
  background: linear-gradient(150deg, rgba(17, 24, 39, 0.88), rgba(31, 41, 55, 0.7));
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  box-shadow: var(--shadow-soft);
}

.site-footer {
  padding: 2rem 0;
  border-top: 1px solid rgba(148, 163, 184, 0.14);
  background: rgba(2, 6, 23, 0.32);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
}

.site-footer a {
  color: var(--accent);
}

@media (max-width: 768px) {
  .header-inner,
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .brand-logo {
    width: min(100%, 290px);
  }

  .nav-list {
    gap: 0.5rem;
  }

  .hero {
    padding-top: 4rem;
  }

  .hero-layout {
    grid-template-columns: 1fr;
  }

  .hero-content {
    border-radius: 1.2rem;
  }

  .hero-panel {
    border-radius: 1.2rem;
  }

  .hero-actions,
  .contact-grid {
    width: 100%;
  }

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