* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --dark: #07111f;
  --navy: #0b1d33;
  --blue: #0b63ce;
  --blue-light: #18a0fb;
  --white: #ffffff;
  --muted: #64748b;
  --light: #f5f8fc;
  --border: #dbe4ef;
  --shadow: 0 24px 60px rgba(7, 17, 31, 0.18);
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
}

html {
  scroll-behavior: smooth;
}

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

.container {
  width: min(1180px, 92%);
  margin: auto;
}

.header {
  position: fixed;
  inset: 0 0 auto 0;
  background: rgba(7, 17, 31, 0.92);
  backdrop-filter: blur(16px);
  z-index: 1000;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  font-weight: 800;
  letter-spacing: .3px;
}

.brand img {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,.75);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: rgba(255,255,255,.88);
  font-weight: 700;
  font-size: 14px;
}

.nav-links a:hover {
  color: var(--blue-light);
}

.nav-cta {
  background: var(--blue);
  color: var(--white) !important;
  padding: 11px 18px;
  border-radius: 999px;
}

.menu-btn {
  display: none;
  background: none;
  color: white;
  border: 0;
  font-size: 30px;
}

.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  background:
    linear-gradient(rgba(7,17,31,.82), rgba(7,17,31,.7)),
    radial-gradient(circle at 80% 30%, rgba(24,160,251,.35), transparent 35%),
    url("https://images.unsplash.com/photo-1518770660439-4636190af475?auto=format&fit=crop&w=1800&q=80");
  background-size: cover;
  background-position: center;
  color: var(--white);
  padding-top: 100px;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  align-items: center;
  gap: 50px;
}

.eyebrow,
.section-label {
  color: var(--blue-light);
  text-transform: uppercase;
  font-weight: 900;
  letter-spacing: 1.6px;
  font-size: 13px;
  margin-bottom: 14px;
}

.hero h1 {
  font-size: clamp(44px, 7vw, 82px);
  line-height: .95;
  max-width: 780px;
  margin-bottom: 24px;
}

.hero-description {
  font-size: 19px;
  color: rgba(255,255,255,.86);
  max-width: 700px;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 48px;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 900;
  border: 0;
  cursor: pointer;
}

.btn.primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  color: var(--white);
}

.btn.secondary {
  border: 1px solid rgba(255,255,255,.45);
  color: var(--white);
}

.hero-card {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 28px;
  padding: 32px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-card h3 {
  font-size: 26px;
  margin-bottom: 26px;
}

.stats {
  display: grid;
  gap: 18px;
}

.stats div {
  background: rgba(255,255,255,.1);
  border-radius: 18px;
  padding: 20px;
}

.stats strong {
  display: block;
  font-size: 38px;
}

.stats span {
  color: rgba(255,255,255,.76);
}

.section {
  padding: 96px 0;
}

.grid-2 {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 56px;
  align-items: start;
}

h2 {
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.08;
  margin-bottom: 20px;
}

.about p,
.projects p,
.forms-section p,
.contact p {
  color: var(--muted);
  font-size: 17px;
  margin-bottom: 16px;
}

.services,
.gallery,
.certs {
  background: var(--light);
}

.service-grid {
  margin-top: 42px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 24px;
  box-shadow: 0 14px 34px rgba(7,17,31,.06);
  transition: .25s ease;
}

.service-card:hover {
  transform: translateY(-7px);
  box-shadow: var(--shadow);
}

.service-card span {
  color: var(--blue);
  font-weight: 900;
}

.service-card h3 {
  margin: 12px 0;
  font-size: 18px;
}

.service-card p {
  color: var(--muted);
  font-size: 14px;
}

.project-panel {
  background: var(--dark);
  color: var(--white);
  border-radius: 30px;
  padding: 34px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  box-shadow: var(--shadow);
}

.project-panel div {
  padding: 22px;
  border-radius: 20px;
  background: rgba(255,255,255,.08);
}

.project-panel strong {
  display: block;
  font-size: 26px;
}

.project-panel span {
  color: rgba(255,255,255,.68);
}

.gallery-grid {
  margin-top: 38px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.gallery-card {
  min-height: 290px;
  border-radius: 28px;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 24px;
  color: var(--white);
  box-shadow: var(--shadow);
  background-size: cover;
  background-position: center;
}

.gallery-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent, rgba(7,17,31,.88));
}

.gallery-card span {
  position: relative;
  font-size: 20px;
  font-weight: 900;
}

.fiber-1 {
  background-image: url("https://images.unsplash.com/photo-1509391366360-2e959784a276?auto=format&fit=crop&w=900&q=80");
}
.fiber-2 {
  background-image: url("https://images.unsplash.com/photo-1558494949-ef010cbdcc31?auto=format&fit=crop&w=900&q=80");
}
.fiber-3 {
  background-image: url("https://images.unsplash.com/photo-1581090464777-f3220bbe1b8b?auto=format&fit=crop&w=900&q=80");
}
.fiber-4 {
  background-image: url("https://images.unsplash.com/photo-1504917595217-d4dc5ebe6122?auto=format&fit=crop&w=900&q=80");
}

.client-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.client-row span,
.cert-grid span {
  padding: 16px 24px;
  border-radius: 999px;
  background: var(--white);
  border: 1px solid var(--border);
  font-weight: 900;
  box-shadow: 0 12px 30px rgba(7,17,31,.06);
}

.cert-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.form {
  background: var(--white);
  border-radius: 28px;
  padding: 30px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.form h3 {
  font-size: 26px;
  margin-bottom: 20px;
}

.form input,
.form select,
.form textarea {
  width: 100%;
  margin-bottom: 14px;
  padding: 15px 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  font-size: 15px;
}

.form textarea {
  min-height: 130px;
  resize: vertical;
}

.quote {
  background: var(--light);
}

.contact-card {
  background: var(--dark);
  color: var(--white);
  border-radius: 34px;
  padding: 46px;
  display: flex;
  justify-content: space-between;
  gap: 30px;
  box-shadow: var(--shadow);
}

.contact-card p {
  color: rgba(255,255,255,.75);
}

.contact-actions {
  display: grid;
  gap: 12px;
  min-width: 260px;
}

.contact-actions a {
  background: rgba(255,255,255,.08);
  padding: 14px 18px;
  border-radius: 14px;
  color: var(--white);
  font-weight: 800;
}

.footer {
  background: #030914;
  color: rgba(255,255,255,.7);
  padding: 28px 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

@media (max-width: 980px) {
  .menu-btn {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 78px;
    left: 0;
    right: 0;
    background: var(--dark);
    padding: 24px;
    flex-direction: column;
  }

  .nav-links.active {
    display: flex;
  }

  .hero-content,
  .grid-2 {
    grid-template-columns: 1fr;
  }

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

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

  .contact-card,
  .footer-content {
    flex-direction: column;
  }
}

@media (max-width: 620px) {
  .service-grid,
  .gallery-grid,
  .project-panel {
    grid-template-columns: 1fr;
  }

  .brand span {
    font-size: 13px;
  }

  .section {
    padding: 70px 0;
  }
}