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

:root {
  --color-navy: #1a365d;
  --color-teal: #2a9d8f;
  --color-teal-dark: #21867a;
  --color-light: #f7f5f0;
  --color-gray: #64748b;
  --color-dark: #1e293b;
  --color-white: #ffffff;
  --font-serif: 'DM Serif Display', Georgia, serif;
  --font-sans: 'DM Sans', system-ui, sans-serif;
  --shadow: 0 4px 24px rgba(26, 54, 93, 0.1);
  --radius: 12px;
}

html {
  scroll-behavior: smooth;
}

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

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

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

address {
  font-style: normal;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 rgba(26, 54, 93, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-main {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--color-navy);
}

.logo-sub {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-teal);
  letter-spacing: 0.2em;
}

.nav {
  display: flex;
  gap: 36px;
}

.nav a {
  color: var(--color-navy);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav a:hover {
  color: var(--color-teal);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-navy);
  transition: transform 0.3s, opacity 0.3s;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 76px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(26, 54, 93, 0.72) 0%, rgba(26, 54, 93, 0.82) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  padding: 80px 24px;
}

.hero-tag {
  display: inline-block;
  color: #a7f3ec;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 400;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero-text {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 36px;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 50px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.2s;
}

.btn-primary {
  background: var(--color-teal);
  color: var(--color-white);
  border-color: var(--color-teal);
}

.btn-primary:hover {
  background: var(--color-teal-dark);
  border-color: var(--color-teal-dark);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
  border-color: var(--color-white);
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

/* Sections */
.section {
  padding: 96px 0;
}

.section-header {
  text-align: center;
  max-width: 560px;
  margin: 0 auto 56px;
}

.section-header h2 {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 400;
  color: var(--color-navy);
  margin-bottom: 12px;
}

.section-header p {
  color: var(--color-gray);
  font-size: 1.05rem;
}

/* About */
.about {
  background: var(--color-light);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.about-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.about-text h2 {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 400;
  color: var(--color-navy);
  margin-bottom: 20px;
}

.about-text p {
  color: var(--color-gray);
  margin-bottom: 16px;
}

.about-stats {
  list-style: none;
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-stats li {
  padding-left: 16px;
  border-left: 3px solid var(--color-teal);
}

.about-stats strong {
  display: block;
  font-size: 0.95rem;
  color: var(--color-navy);
  margin-bottom: 2px;
}

.about-stats span {
  font-size: 0.85rem;
  color: var(--color-gray);
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-white);
  border: 1px solid #e2e8f0;
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: box-shadow 0.2s, transform 0.2s;
}

.service-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.service-icon {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-teal);
  margin-bottom: 16px;
}

.service-card h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--color-navy);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--color-gray);
  line-height: 1.5;
}

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 0 24px 96px;
  max-width: 1140px;
  margin: 0 auto;
}

.gallery-grid img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: var(--radius);
}

/* Contact */
.contact {
  background: var(--color-navy);
  color: var(--color-white);
}

.contact-inner {
  text-align: center;
  max-width: 960px;
  margin: 0 auto;
}

.contact-inner h2 {
  font-family: var(--font-serif);
  font-size: 2.6rem;
  font-weight: 400;
  margin-bottom: 16px;
}

.contact-lead {
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.1rem;
  max-width: 520px;
  margin: 0 auto 48px;
}

.contact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.contact-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: border-color 0.2s, background 0.2s;
}

.contact-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-teal);
}

.contact-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #a7f3ec;
  margin-bottom: 12px;
}

.copy-btn,
.contact-card address {
  color: var(--color-white);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5;
}

.copy-btn {
  background: none;
  border: none;
  padding: 0;
  font-family: inherit;
  cursor: pointer;
  transition: color 0.2s;
}

.copy-btn:hover,
.copy-btn.copied {
  color: #a7f3ec;
}

.copy-hint {
  display: block;
  margin-top: 8px;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
}

.copy-btn.copied + .copy-hint {
  color: #a7f3ec;
}

/* Footer */
.footer {
  background: #0f2440;
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
}

.footer-brand .logo-main {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-white);
}

.footer-tagline {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 4px;
}

.footer-copy {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.45);
}

/* Mobile nav */
.nav-open .nav {
  display: flex;
}

.nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Responsive */
@media (max-width: 992px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-image img {
    height: 300px;
  }
}

@media (max-width: 768px) {
  .nav {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-white);
    padding: 24px;
    gap: 16px;
    box-shadow: var(--shadow);
  }

  .nav-toggle {
    display: flex;
  }

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

  .gallery-grid {
    grid-template-columns: 1fr;
    padding-bottom: 72px;
  }

  .gallery-grid img {
    height: 220px;
  }

  .section {
    padding: 72px 0;
  }

  .contact-cards {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}