:root {
  --bg: #05070f;
  --surface: rgba(12, 17, 31, 0.75);
  --surface-strong: rgba(16, 22, 40, 0.95);
  --border: rgba(88, 112, 148, 0.25);
  --fg: #f5f7ff;
  --muted: #a5b4d4;
  --accent: #4aa8ff;
  --accent-strong: #66c3ff;
  --accent-soft: rgba(74, 168, 255, 0.16);
  --danger: #ff6b6b;
  --font-sans: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
  --shadow: 0 24px 80px rgba(1, 8, 12, 0.45);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container-width: min(1100px, 92vw);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  background: radial-gradient(circle at 20% 20%, rgba(22, 42, 82, 0.4), transparent 55%),
              radial-gradient(circle at 80% 10%, rgba(57, 96, 160, 0.35), transparent 60%),
              linear-gradient(160deg, #05070f 0%, #070b18 60%, #05070f 100%);
  color: var(--fg);
  -webkit-font-smoothing: antialiased;
}

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

p {
  line-height: 1.65;
  opacity: 0.92;
}

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

.container {
  width: var(--container-width);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(5, 7, 15, 0.62);
  border-bottom: 1px solid rgba(74, 168, 255, 0.08);
}

.site-header .nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  gap: 16px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.95rem;
}

.logo span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(74, 168, 255, 0.4), rgba(129, 92, 255, 0.45));
  color: var(--fg);
  font-weight: 700;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.primary-nav a {
  font-size: 0.92rem;
  color: var(--muted);
  transition: color 0.2s ease, opacity 0.2s ease;
}

.primary-nav a:hover,
.primary-nav a:focus {
  color: var(--fg);
  opacity: 1;
}

.nav-cta {
  padding: 10px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(74, 168, 255, 0.95), rgba(115, 85, 255, 0.85));
  color: #031018;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 14px 40px rgba(74, 168, 255, 0.35);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 50px rgba(74, 168, 255, 0.42);
}

.nav-toggle {
  display: none;
}

.hero {
  padding: clamp(120px, 18vh, 170px) 0 clamp(90px, 14vh, 140px);
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(74, 168, 255, 0.18), transparent 55%),
              radial-gradient(circle at 70% 35%, rgba(110, 90, 255, 0.18), transparent 60%);
  pointer-events: none;
  z-index: -1;
}


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

.hero-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at 30% 30%, rgba(74, 168, 255, 0.18), transparent 65%),
              linear-gradient(140deg, rgba(9, 14, 28, 0.95), rgba(30, 49, 94, 0.65));
  border: 1px solid rgba(74, 168, 255, 0.2);
  box-shadow: 0 26px 80px rgba(4, 11, 20, 0.55);
  overflow: hidden;
}

.hero-visual::after {
  content: '';
  position: absolute;
  inset: 12% 16%;
  background: url('../img/desktop-cloud.svg') center/contain no-repeat;
  opacity: 0.9;
}

.metric-icon {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(74, 168, 255, 0.18);
  border: 1px solid rgba(74, 168, 255, 0.25);
}

.card-icon {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(74, 168, 255, 0.16);
  margin-bottom: 14px;
}

.card-icon img {
  width: 20px;
  height: 20px;
  filter: drop-shadow(0 0 6px rgba(74, 168, 255, 0.45));
}

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
    aspect-ratio: 16 / 9;
  }
}

.hero-grid h1 {
  font-size: clamp(2.5rem, 4vw, 3.6rem);
  line-height: 1.05;
  margin-bottom: 22px;
  letter-spacing: -0.03em;
}

.hero-grid p {
  max-width: 640px;
  font-size: 1.08rem;
  color: rgba(235, 239, 255, 0.88);
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 18px;
}

.metric {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  border: 1px solid rgba(74, 168, 255, 0.12);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.metric span {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(165, 180, 212, 0.72);
}

.metric strong {
  font-size: 1.6rem;
  font-weight: 600;
}

.section {
  padding: clamp(80px, 14vh, 120px) 0;
}

.section-header {
  display: grid;
  gap: 16px;
  margin-bottom: 48px;
  max-width: 720px;
}

.section-header span {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: rgba(165, 180, 212, 0.7);
}

.section-header h2 {
  font-size: clamp(2rem, 3.4vw, 2.8rem);
  letter-spacing: -0.02em;
  margin: 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.card {
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(74, 168, 255, 0.3);
}

.card .card-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

.card h3 {
  margin: 0;
  font-size: 1.3rem;
}

.card p {
  margin: 0;
  color: rgba(210, 218, 245, 0.86);
}

.card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.card ul li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: rgba(210, 218, 245, 0.9);
}

.card ul li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin-top: 9px;
  background: var(--accent);
}

.split-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  align-items: start;
}

.list {
  display: grid;
  gap: 16px;
}

.list-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  display: grid;
  gap: 10px;
}

.list-item strong {
  font-size: 1.05rem;
}

.highlight {
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(135deg, rgba(74, 168, 255, 0.18), rgba(18, 28, 48, 0.6));
}

.callout {
  padding: 32px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(74, 168, 255, 0.22);
  background: linear-gradient(135deg, rgba(74, 168, 255, 0.12), rgba(115, 85, 255, 0.12));
  box-shadow: var(--shadow);
}

.callout h3 {
  margin-top: 0;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.process-step {
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 24px;
  display: grid;
  gap: 10px;
}

.process-step span {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-weight: 600;
}

.testimonials {
  background: rgba(11, 16, 28, 0.8);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(74, 168, 255, 0.14);
  padding: 42px;
  display: grid;
  gap: 32px;
}

.testimonial {
  display: grid;
  gap: 16px;
}

.testimonial blockquote {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.7;
  position: relative;
  color: rgba(235, 239, 255, 0.92);
}

.testimonial cite {
  font-style: normal;
  color: rgba(174, 188, 220, 0.8);
  font-size: 0.95rem;
}

.contact-card {
  background: rgba(9, 13, 24, 0.92);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(74, 168, 255, 0.16);
  padding: clamp(28px, 6vw, 48px);
  display: grid;
  gap: 24px;
  box-shadow: 0 30px 90px rgba(4, 11, 20, 0.55);
}

.contact-points {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.contact-item {
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(74, 168, 255, 0.18);
  background: rgba(14, 20, 34, 0.7);
  display: grid;
  gap: 8px;
}

.contact-item span {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(165, 180, 212, 0.7);
}

.contact-item a {
  color: var(--accent-strong);
  font-size: 1.05rem;
}

footer {
  padding: 40px 0 60px;
  border-top: 1px solid rgba(74, 168, 255, 0.08);
  background: linear-gradient(180deg, rgba(7, 11, 24, 0.7), rgba(5, 7, 15, 0.9));
}

footer .footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  align-items: center;
}

footer p {
  margin: 0;
  color: rgba(165, 180, 212, 0.7);
}

@media (max-width: 860px) {
  .primary-nav {
    position: fixed;
    inset: 0;
    background: rgba(5, 7, 15, 0.94);
    padding: 90px 32px;
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
    transform: translateY(-100%);
    transition: transform 0.3s ease;
  }

  .primary-nav.open {
    transform: translateY(0);
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid rgba(74, 168, 255, 0.25);
    background: rgba(8, 12, 22, 0.8);
    color: var(--fg);
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease;
  }

  .hero {
    padding-top: 120px;
  }
}

@media (max-width: 600px) {
  .card,
  .list-item,
  .process-step,
  .callout,
  .contact-card {
    padding: 22px;
  }

  footer {
    text-align: center;
  }
}


.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 36px;
}

.contact-form {
  display: grid;
  gap: 18px;
  background: rgba(9, 14, 26, 0.85);
  border-radius: var(--radius-md);
  border: 1px solid rgba(74, 168, 255, 0.18);
  padding: clamp(24px, 4vw, 36px);
}

.contact-form label {
  display: grid;
  gap: 8px;
  font-size: 0.95rem;
  color: rgba(210, 218, 245, 0.88);
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid rgba(74, 168, 255, 0.18);
  background: rgba(11, 16, 30, 0.8);
  color: var(--fg);
  font-family: var(--font-sans);
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  outline: 2px solid rgba(74, 168, 255, 0.65);
  border-color: transparent;
}

.contact-form button {
  padding: 14px 20px;
  border-radius: 12px;
  border: none;
  background: linear-gradient(135deg, rgba(74, 168, 255, 0.95), rgba(115, 85, 255, 0.85));
  color: #031018;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 16px 38px rgba(74, 168, 255, 0.35);
}

.contact-form button:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 48px rgba(74, 168, 255, 0.4);
}

.contact-note {
  font-size: 0.85rem;
  color: rgba(165, 180, 212, 0.78);
}