@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Work+Sans:wght@300;400;500;600&display=swap');

:root {
  --charcoal: #0f1b2c;
  --deep-teal: #1c6e7d;
  --gold: #f5b700;
  --cloud: #f5f7fa;
  --stone: #dfe5eb;
  --text: #12212f;
  --muted: #51606b;
  --white: #ffffff;
  --shadow: 0 12px 30px rgba(15, 27, 44, 0.12);
  --radius: 12px;
  --transition: 200ms ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Work Sans', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

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

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

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  box-shadow: 0 6px 20px rgba(15, 27, 44, 0.06);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 14px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  letter-spacing: 0.4px;
  color: var(--charcoal);
}

.logo-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--deep-teal), #0f3a4a);
  display: grid;
  place-items: center;
  color: var(--gold);
  font-weight: 700;
  font-size: 20px;
  box-shadow: var(--shadow);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-weight: 600;
  font-size: 15px;
}

.nav-links a {
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--deep-teal);
  border-color: var(--gold);
}

.cta-link {
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--gold);
  color: var(--charcoal);
  font-weight: 700;
  box-shadow: 0 10px 25px rgba(245, 183, 0, 0.25);
  transition: transform var(--transition), box-shadow var(--transition);
}

.cta-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(245, 183, 0, 0.32);
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 42px;
  padding: 0 12px;
  border-radius: 10px;
  border: 1px solid var(--stone);
  background: #fdfefe;
  cursor: pointer;
  gap: 6px;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: var(--charcoal);
  transition: transform 200ms ease, opacity 200ms ease;
}

.menu-open .menu-toggle {
  border-color: rgba(28, 110, 125, 0.4);
  box-shadow: var(--shadow);
}

.menu-open .menu-toggle span:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

.menu-open .menu-toggle span:nth-child(2) {
  opacity: 0;
}

.menu-open .menu-toggle span:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 70vh;
  display: grid;
  place-items: center;
  color: var(--white);
  text-align: center;
  padding: 140px 0 110px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 27, 44, 0.6), rgba(15, 27, 44, 0.75));
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(245, 183, 0, 0.1), transparent 40%),
              radial-gradient(circle at 70% 60%, rgba(28, 110, 125, 0.12), transparent 45%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(900px, 88vw);
  display: grid;
  gap: 20px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  font-size: 13px;
  color: var(--gold);
}

.hero h1 {
  margin: 0;
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(36px, 4vw, 54px);
  letter-spacing: 0.3px;
}

.hero p {
  margin: 0;
  color: #e6eef2;
  font-size: 17px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 999px;
  border: none;
  font-weight: 700;
  letter-spacing: 0.4px;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
}

.btn-primary {
  background: var(--gold);
  color: var(--charcoal);
  box-shadow: 0 10px 30px rgba(245, 183, 0, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(245, 183, 0, 0.32);
}

.btn-outline {
  border: 1.5px solid var(--white);
  color: var(--white);
  background: transparent;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

section {
  padding: 90px 0;
}

.section-heading {
  display: grid;
  gap: 10px;
  margin-bottom: 36px;
}

.section-heading h2 {
  margin: 0;
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(28px, 3.2vw, 40px);
  color: var(--charcoal);
}

.section-heading p {
  margin: 0;
  color: var(--muted);
}

.pillars,
.services-grid,
.projects-grid {
  display: grid;
  gap: 22px;
}

.pillars {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

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

.projects-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 22px;
  border: 1px solid var(--stone);
  box-shadow: 0 12px 28px rgba(15, 27, 44, 0.06);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(28, 110, 125, 0.4);
}

.icon-circle {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(28, 110, 125, 0.14), rgba(28, 110, 125, 0.24));
  display: grid;
  place-items: center;
  color: var(--deep-teal);
  font-weight: 700;
}

.card h3 {
  margin: 14px 0 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.service-card {
  padding: 24px;
}

.service-card .tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 10px;
  background: rgba(28, 110, 125, 0.1);
  color: var(--deep-teal);
  font-weight: 600;
  font-size: 13px;
}

.service-card ul {
  margin: 12px 0 0;
  padding: 0 0 0 18px;
  color: var(--muted);
  display: grid;
  gap: 6px;
}

.project-card {
  overflow: hidden;
  padding: 0;
}

.project-image {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 260ms ease;
}

.project-card:hover .project-image img {
  transform: scale(1.04);
}

.project-meta {
  padding: 18px 20px 20px;
  display: grid;
  gap: 6px;
}

.project-meta .tag {
  width: fit-content;
  background: rgba(245, 183, 0, 0.16);
  color: #8f6b00;
}

.project-meta h3 {
  margin: 4px 0;
  font-size: 19px;
}

.project-meta p {
  margin: 0;
  color: var(--muted);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 26px;
  align-items: start;
}

form {
  display: grid;
  gap: 14px;
}

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

input,
textarea {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--stone);
  background: #fbfcfd;
  transition: border-color var(--transition), box-shadow var(--transition);
  font: inherit;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--deep-teal);
  box-shadow: 0 0 0 3px rgba(28, 110, 125, 0.18);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

.contact-card {
  background: linear-gradient(145deg, rgba(28, 110, 125, 0.12), rgba(15, 27, 44, 0.6));
  color: var(--white);
  padding: 26px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: grid;
  gap: 12px;
}

.contact-card h3 {
  margin: 0 0 6px;
  font-family: 'Space Grotesk', sans-serif;
}

.contact-card p {
  margin: 0;
  color: #e6eef2;
}

footer {
  padding: 32px 0;
  background: var(--charcoal);
  color: #e6eef2;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 14px;
}

.footer-links {
  display: flex;
  gap: 16px;
}

.footer-links a {
  color: #c8d2db;
}

.hero.backdrop-1 {
  background: url('https://images.unsplash.com/photo-1505691938895-1758d7feb511?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
}

.hero.backdrop-2 {
  background: url('https://images.unsplash.com/photo-1489515217757-5fd1be406fef?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
}

.hero.backdrop-3 {
  background: url('https://images.unsplash.com/photo-1505691938895-1758d7feb511?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
}

.hero.backdrop-4 {
  background: url('https://images.unsplash.com/photo-1465808891821-8038fa19aa8b?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
}

.hero.backdrop-5 {
  background: url('https://images.unsplash.com/photo-1503389152951-9f343605f61e?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
}

@media (max-width: 960px) {
  .nav {
    position: relative;
  }

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

  .nav-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: min(340px, 92vw);
    background: var(--white);
    border: 1px solid var(--stone);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 14px 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .menu-open .nav-menu {
    display: flex;
  }

  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }

  .nav-links a {
    width: 100%;
    padding: 10px 0;
    border-bottom: 1px solid var(--stone);
  }

  .nav-links a:last-child {
    border-bottom: none;
  }

  .nav .cta-link {
    width: 100%;
    text-align: center;
  }

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

@media (max-width: 720px) {
  .nav-links {
    flex-wrap: wrap;
    gap: 12px 16px;
  }

  .hero {
    min-height: 60vh;
    padding: 110px 0 90px;
  }

  section {
    padding: 70px 0;
  }
}