:root {
  color-scheme: dark;
  --bg: #0f172a;
  --surface: #111827;
  --surface-strong: #0a203d;
  --surface-soft: rgba(255, 255, 255, 0.04);
  --text: #e5e7eb;
  --muted: #94a3b8;
  --accent: #1d5baa;
  --accent-2: #0a2e52;
  --border: rgba(145, 166, 213, 0.18);
  --radius: 26px;
  --radius-sm: 18px;
  --shadow: 0 28px 80px rgba(0,0,0,0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100%;
  font-family: 'Montserrat', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: radial-gradient(circle at top, rgba(29, 91, 170, 0.16), transparent 18%),
              radial-gradient(circle at 20% 10%, rgba(10, 46, 82, 0.08), transparent 15%),
              var(--bg);
  color: var(--text);
}

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

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(15, 23, 42, 0.85);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-picture {
  display: inline-flex;
  align-items: center;
}

.brand-logo {
  display: block;
  width: auto;
  height: 52px;
  max-width: 100%;
  object-fit: contain;
}

.brand-text {
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  background: transparent;
  cursor: pointer;
  padding: 8px;
  justify-content: center;
  align-items: center;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: var(--text);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.main-nav {
  display: flex;
  align-items: center;
}

.menu {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.menu li {
  margin: 0;
}

.menu a {
  color: var(--muted);
  font-weight: 500;
}

.menu a:hover {
  color: var(--accent);
}

.site-main {
  padding: 36px 0 60px;
}

.hero {
  padding: 60px 0 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 40px;
  align-items: center;
}

.hero-copy {
  max-width: 680px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.85rem;
  margin-bottom: 22px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.8rem, 5vw, 4.6rem);
  line-height: 1.02;
}

.hero-description {
  margin: 28px 0 0;
  max-width: 640px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid transparent;
  padding: 16px 26px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

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

.button-primary {
  color: #0f172a;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.button-secondary {
  color: var(--text);
  border-color: rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.05);
}

.hero-visual {
  display: flex;
  justify-content: flex-end;
}

.hero-card {
  width: 100%;
  padding: 36px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.06);
  box-shadow: var(--shadow);
}

.hero-card .eyebrow {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--accent);
  font-size: 0.95rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero-card h2 {
  margin: 0;
  font-size: 1.8rem;
  line-height: 1.4;
}

.section {
  margin-top: 72px;
}

.section-header {
  display: grid;
  gap: 12px;
  margin-bottom: 32px;
}

.section-header span {
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.85rem;
}

.section-header h2 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1.05;
}

.section-grid,
.cards-grid,
.testimonials-grid,
.contact-grid {
  display: grid;
  gap: 24px;
}

.content-card,
.card,
.testimonial-card,
.contact-card {
  padding: 28px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
}

.content-card-alt {
  background: rgba(59,130,246,0.08);
}

.content-card h3,
.card h3,
.testimonial-card strong {
  margin-top: 0;
}

.content-card ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.content-card ul li {
  margin-bottom: 12px;
}

.cards-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card h3 {
  margin-top: 0;
  font-size: 1.25rem;
}

.card p,
.content-card p,
.testimonial-card p {
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.testimonials-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.testimonial-card {
  min-height: 210px;
}

.testimonial-card strong {
  display: block;
  margin-top: 22px;
  color: var(--text);
}

.section-contact .contact-grid {
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 18px;
}

.contact-form label {
  font-size: 0.95rem;
  color: var(--text);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.05);
  color: var(--text);
  padding: 16px 18px;
  font: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(59,130,246,0.35);
  border-color: rgba(59,130,246,0.5);
}

.note {
  color: var(--muted);
  margin-top: 16px;
}

.site-footer {
  margin-top: 80px;
  padding: 28px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
}

.footer-brand {
  margin: 0 0 8px;
  font-weight: 700;
}

.footer-actions {
  display: flex;
  gap: 20px;
}

.footer-actions a {
  color: var(--muted);
}

@media (max-width: 940px) {
  .hero-grid,
  .section-contact .contact-grid,
  .footer-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .header-inner {
    flex-wrap: wrap;
    justify-content: space-between;
  }

  .main-nav {
    order: 3;
    width: 100%;
    display: none;
  }

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

  .menu-toggle {
    display: inline-flex;
  }

  .menu {
    flex-direction: column;
    gap: 16px;
    padding: 18px 0;
  }

  .hero {
    padding-top: 50px;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(100%, calc(100% - 24px));
  }

  .hero h1 {
    font-size: 2.45rem;
  }

  .hero-buttons {
    flex-direction: column;
  }
}