:root {
  --bg: #07111f;
  --panel: rgba(255,255,255,0.055);
  --panel-strong: rgba(255,255,255,0.09);
  --line: rgba(255,255,255,0.12);
  --text: #ffffff;
  --muted: #b9c6d6;
  --cyan: #22d3ee;
  --blue: #3b82f6;
  --dark: #020617;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 6%;
  background: rgba(2, 6, 23, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: grid;
  text-decoration: none;
}

.brand-main {
  font-size: 1.2rem;
  font-weight: 800;
}

.brand-sub {
  font-size: 0.78rem;
  color: var(--cyan);
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav a:hover {
  color: white;
}

.nav-button {
  padding: 10px 18px;
  border-radius: 999px;
  color: #06111f !important;
  background: var(--cyan);
  font-weight: 700;
}

.menu-toggle {
  display: none;
  background: transparent;
  border: 0;
  color: white;
  font-size: 1.8rem;
}

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 54px;
  align-items: center;
  padding: 90px 6%;
  background:
    radial-gradient(circle at 80% 10%, rgba(34, 211, 238, 0.25), transparent 35%),
    radial-gradient(circle at 10% 80%, rgba(59, 130, 246, 0.24), transparent 35%);
}

.eyebrow {
  display: inline-block;
  margin: 0 0 18px;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1, h2, h3, p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  font-size: clamp(2.7rem, 6vw, 5.5rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.045em;
}

.hero-text,
.section-heading p,
.about-copy,
.contact-info p,
.cta p {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 48px;
  padding: 0 24px;
  border: 0;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  cursor: pointer;
}

.primary {
  background: var(--cyan);
  color: #04111f;
}

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

.dark {
  background: var(--dark);
  color: white;
}

.hero-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 34px;
  background: var(--panel);
  box-shadow: 0 30px 80px rgba(0,0,0,0.35);
}

.hero-card img {
  display: block;
  width: 100%;
  min-height: 360px;
  object-fit: cover;
}

.hero-card-text {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 24px;
  display: grid;
  gap: 8px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(2, 6, 23, 0.82);
  backdrop-filter: blur(10px);
}

.hero-card-text span {
  color: var(--muted);
}

.highlights {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  padding: 24px 6%;
}

.highlights div,
.service-card,
.contact-card,
.contact-form {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 24px;
}

.highlights div {
  padding: 18px;
  color: #e8f4ff;
}

.section {
  padding: 90px 6%;
}

.section-heading {
  max-width: 850px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 42px;
}

.service-card {
  padding: 28px;
  transition: transform 0.2s ease, background 0.2s ease;
}

.service-card:hover {
  transform: translateY(-5px);
  background: var(--panel-strong);
}

.service-icon {
  display: inline-grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin-bottom: 20px;
  border-radius: 18px;
  background: rgba(34,211,238,0.16);
  font-size: 1.45rem;
}

.service-card h3 {
  font-size: 1.28rem;
}

.service-card p {
  color: var(--muted);
  line-height: 1.65;
}

.about-section {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 55px;
  padding: 90px 6%;
  background: rgba(255,255,255,0.04);
}

.cta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  margin: 90px 6% 0;
  padding: 42px;
  border-radius: 34px;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  color: #04111f;
}

.cta p {
  color: rgba(4,17,31,0.78);
}

.contact-section {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 38px;
}

.contact-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px;
  margin-top: 16px;
}

.contact-card span {
  color: var(--cyan);
  font-size: 1.35rem;
}

.contact-card strong {
  display: block;
  margin-bottom: 4px;
}

.contact-card a {
  color: var(--muted);
  text-decoration: none;
}

.contact-card a:hover {
  color: white;
}

.contact-form {
  padding: 30px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

label {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

input,
select,
textarea {
  width: 100%;
  min-height: 48px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  outline: none;
  background: #091526;
  color: white;
  font: inherit;
}

textarea {
  min-height: 145px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--cyan);
}

.form-note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.5;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 6%;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer a {
  margin-left: 18px;
  text-decoration: none;
}

.footer a:hover {
  color: white;
}

@media (max-width: 900px) {
  .menu-toggle {
    display: block;
  }

  .nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 68px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    padding: 22px 6%;
    background: #020617;
    border-bottom: 1px solid var(--line);
  }

  .nav.open {
    display: flex;
  }

  .hero,
  .about-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 64px;
  }

  .highlights,
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 600px) {
  .site-header {
    padding: 16px 5%;
  }

  .hero,
  .section,
  .about-section {
    padding-left: 5%;
    padding-right: 5%;
  }

  .highlights,
  .services-grid,
  .form-row {
    grid-template-columns: 1fr;
  }

  .hero-card img {
    min-height: 280px;
  }

  .hero-card-text {
    position: static;
    margin: 0;
    border-radius: 0;
  }

  .cta {
    margin-left: 5%;
    margin-right: 5%;
    padding: 28px;
  }

  .footer {
    flex-direction: column;
  }

  .footer a {
    display: inline-block;
    margin: 0 14px 10px 0;
  }
}