/* =====================
   ROOT & RESET
   ===================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:    #0A447B;
  --charcoal:#083A6A;
  --red:     #FF1F1F;
  --cream:   #E9E9E9;
  --white:   #ffffff;
  --gray:    #4A4A4A;
  --light:   #E9E9E9;
  --accent:  #2A6EB7;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans:  'Inter', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--charcoal);
  background: var(--white);
  font-size: 16px;
  line-height: 1.6;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { display: block; width: 100%; object-fit: cover; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

/* =====================
   TYPOGRAPHY
   ===================== */
h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.15;
  color: var(--navy);
}
h1 { font-size: clamp(2.8rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 3.5vw, 3rem); }
h3 { font-size: 1.5rem; }

.label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.75rem;
}

/* =====================
   BUTTONS
   ===================== */
.btn {
  display: inline-block;
  padding: 0.85rem 2.2rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: 1px solid currentColor;
  transition: all 0.25s ease;
}
.btn-light { color: var(--white); border-color: var(--white); }
.btn-light:hover { background: var(--white); color: var(--navy); }
.btn-dark { color: var(--navy); border-color: var(--navy); }
.btn-dark:hover { background: var(--navy); color: var(--white); }

/* =====================
   NAV
   ===================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 3rem;
  background: rgba(10, 68, 123, 0.97);
  backdrop-filter: blur(8px);
}
.nav-logo img { height: 88px; width: auto; display: block; }
.nav-links { display: flex; gap: 2.5rem; }
.nav-links a {
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--white); }
.nav-toggle { display: none; background: none; border: none; color: white; font-size: 1.4rem; cursor: pointer; }

/* =====================
   HERO
   ===================== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  background: url('hero.jpg') 98% center/cover no-repeat;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to right, rgba(10,68,123,0.88) 40%, rgba(10,68,123,0.4));
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding: 0 3rem;
  color: var(--white);
}
.hero-eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  margin-bottom: 1.2rem;
}
.hero-content h1 { color: var(--white); margin-bottom: 1.5rem; }
.hero-sub {
  font-size: 1rem;
  color: rgba(255,255,255,0.8);
  max-width: 500px;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

/* =====================
   INTRO STRIP
   ===================== */
.intro-strip {
  background: var(--navy);
  padding: 2rem 3rem;
  text-align: center;
}
.intro-strip p {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--white);
  font-weight: 300;
  letter-spacing: 0.03em;
}

/* =====================
   ABOUT TEASER
   ===================== */
.about-teaser {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
  padding-top: 6rem;
  padding-bottom: 6rem;
}
.about-teaser-text h2 { margin-bottom: 1.25rem; }
.about-teaser-text p { color: var(--gray); line-height: 1.85; margin-bottom: 2rem; }
.about-teaser-image { height: 480px; }
.image-placeholder {
  width: 100%; height: 100%;
  background: var(--light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
}

/* =====================
   FEATURED PROJECTS
   ===================== */
.featured-projects {
  background: var(--cream);
  padding: 6rem 0;
}
.featured-projects h2 { margin-bottom: 3rem; }
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.project-card { background: var(--white); overflow: hidden; }
.project-img-placeholder {
  height: 260px;
  background: var(--light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  transition: transform 0.3s ease;
}
.project-card:hover .project-img-placeholder { transform: scale(1.02); }
.project-info { padding: 1.5rem; }
.project-info h3 { font-size: 1.25rem; margin-bottom: 0.35rem; }
.project-info p { font-size: 0.8rem; color: var(--gray); margin-bottom: 1rem; letter-spacing: 0.05em; }
.project-link { font-size: 0.75rem; letter-spacing: 0.1em; color: var(--red); text-transform: uppercase; font-weight: 500; }

/* =====================
   STATS
   ===================== */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--navy);
}
.stat {
  padding: 4rem 2rem;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.08);
}
.stat:last-child { border-right: none; }
.stat h3 {
  font-family: var(--font-serif);
  font-size: 3rem;
  color: var(--white);
  font-weight: 300;
  margin-bottom: 0.5rem;
}
.stat p { font-size: 0.75rem; letter-spacing: 0.15em; text-transform: uppercase; color: rgba(255,255,255,0.6); }

/* =====================
   CTA
   ===================== */
.cta {
  position: relative;
  padding: 8rem 3rem;
  text-align: center;
  background: url('https://images.unsplash.com/photo-1545324418-cc1a3fa10c00?w=1600&q=80') center/cover no-repeat;
}
.cta-overlay {
  position: absolute; inset: 0;
  background: rgba(10,68,123,0.82);
}
.cta-content { position: relative; z-index: 2; color: var(--white); }
.cta-content h2 { color: var(--white); margin-bottom: 1rem; }
.cta-content p { color: rgba(255,255,255,0.75); margin-bottom: 2.5rem; font-size: 1rem; }

/* =====================
   FOOTER
   ===================== */
.footer { background: var(--charcoal); color: rgba(255,255,255,0.7); padding: 4rem 0 2rem; }
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 3rem;
  gap: 2rem;
}
.footer-logo-img { height: 40px; width: auto; margin-bottom: 1rem; }
.footer-brand p { font-size: 0.85rem; line-height: 1.8; }
.footer-brand a { color: var(--red); }
.footer-links { display: flex; flex-direction: column; gap: 0.75rem; text-align: right; }
.footer-links a { font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; transition: color 0.2s; }
.footer-links a:hover { color: var(--white); }
.footer-copy { text-align: center; font-size: 0.75rem; border-top: 1px solid rgba(255,255,255,0.08); padding-top: 2rem; }

/* =====================
   PAGE HERO (inner pages)
   ===================== */
.page-hero {
  padding: 12rem 3rem 6rem;
  background: linear-gradient(rgba(10,68,123,0.78), rgba(8,58,106,0.85)), url('https://images.unsplash.com/photo-1504307651254-35680f356dfd?w=1800&q=80') center/cover no-repeat;
  text-align: center;
  position: relative;
}
.page-hero::after {
  content: '';
  display: block;
  width: 48px;
  height: 2px;
  background: var(--red);
  margin: 1.5rem auto 0;
}
.page-hero h1 { color: var(--white); margin-bottom: 1rem; letter-spacing: 0.02em; }
.page-hero p { color: rgba(255,255,255,0.7); font-size: 1rem; max-width: 560px; margin: 0 auto; line-height: 1.8; font-style: italic; }

/* =====================
   ABOUT PAGE
   ===================== */
.about-section { padding: 6rem 0; }
.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; margin-bottom: 6rem; }
.about-intro p { color: var(--gray); line-height: 1.9; margin-bottom: 1.25rem; }
.team-section { background: var(--cream); padding: 6rem 0; }
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-top: 3rem; }
.team-card { background: var(--white); }
.team-photo { height: 320px; display: flex; justify-content: center; align-items: center; overflow: hidden; }
.team-info { padding: 1.5rem; text-align: center; }
.team-info h3 { font-size: 1.2rem; margin-bottom: 0.2rem; }
.team-info .title { font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--red); margin-bottom: 1rem; }
.team-info p { font-size: 0.875rem; color: var(--gray); line-height: 1.75; text-align: left; }

/* =====================
   PROJECTS PAGE
   ===================== */
.projects-page { padding: 6rem 0; }
.projects-page h2 { margin-bottom: 0.5rem; }
.section-intro { color: var(--gray); margin-bottom: 3rem; }
.projects-full-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; margin-bottom: 5rem; }
.project-card-lg .project-img-placeholder { height: 340px; }
.project-card-sm-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

/* =====================
   SERVICES PAGE
   ===================== */
.services-page { padding: 6rem 0; }
.services-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 3rem; margin-top: 3rem; }
.service-item { border-top: 2px solid var(--red); padding-top: 2rem; }
.service-item h3 { margin-bottom: 0.75rem; font-size: 1.4rem; }
.service-item p { color: var(--gray); line-height: 1.85; }
.service-number { font-family: var(--font-serif); font-size: 3rem; color: var(--light); font-weight: 300; margin-bottom: 1rem; }

/* =====================
   CONTACT PAGE
   ===================== */
.contact-page { padding: 6rem 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 6rem; }
.contact-info h2 { margin-bottom: 1.5rem; }
.contact-info p { color: var(--gray); line-height: 1.85; margin-bottom: 1.5rem; font-size: 0.9rem; }
.contact-detail { margin-bottom: 0.75rem; font-size: 0.875rem; color: var(--charcoal); }
.contact-detail strong { display: block; font-size: 0.65rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--red); margin-bottom: 0.25rem; }
.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label { font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gray); }
.form-group input, .form-group textarea {
  border: 1px solid #ddd;
  padding: 0.85rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--charcoal);
  outline: none;
  transition: border-color 0.2s;
  background: var(--white);
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--navy); }
.form-group textarea { resize: vertical; min-height: 140px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }

/* =====================
   RESPONSIVE — TABLET (max 900px)
   ===================== */
@media (max-width: 900px) {
  .nav { padding: 1rem 1.5rem; }
  .nav-logo img { height: 56px; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--navy); padding: 1.5rem; gap: 1.5rem; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }

  .page-hero { padding: 9rem 2rem 4rem; }

  .about-teaser { grid-template-columns: 1fr; gap: 2.5rem; padding-top: 4rem; padding-bottom: 4rem; }
  .about-teaser-image { height: 320px; }
  .about-intro { grid-template-columns: 1fr; gap: 2rem; margin-bottom: 4rem; }

  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-full-grid { grid-template-columns: 1fr; }
  .project-card-sm-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }

  .services-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .form-row { grid-template-columns: 1fr; }

  .stats { grid-template-columns: repeat(3, 1fr); }
  .stat { padding: 3rem 1rem; }

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

  .hero-content { padding: 0 1.5rem; }
  .cta { padding: 6rem 2rem; }

  .about-section { padding: 4rem 0; }
  .team-section { padding: 4rem 0; }
  .projects-page { padding: 4rem 0; }
  .services-page { padding: 4rem 0; }
  .contact-page { padding: 4rem 0; }
}

/* =====================
   RESPONSIVE — MOBILE (max 600px)
   ===================== */
@media (max-width: 600px) {
  .container { padding: 0 1.25rem; }

  .page-hero { padding: 8rem 1.25rem 3.5rem; }
  .page-hero p { font-size: 0.9rem; }

  h1 { font-size: 2.4rem; }
  h2 { font-size: 1.8rem; }
  h3 { font-size: 1.2rem; }

  .hero-content { padding: 0 1.25rem; }
  .hero-sub { font-size: 0.9rem; }

  .intro-strip { padding: 1.75rem 1.25rem; }

  .projects-grid { grid-template-columns: 1fr; }
  .project-card-sm-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }

  .stats { grid-template-columns: 1fr; }
  .stat { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); padding: 2.5rem 1.5rem; }
  .stat:last-child { border-bottom: none; }

  .cta { padding: 5rem 1.25rem; }

  .services-grid { gap: 2rem; }
  .service-number { font-size: 2rem; }

  .footer-inner { gap: 1.5rem; }
  .footer-brand p { font-size: 0.8rem; }

  .about-teaser-image { height: 260px; }
  .about-teaser { padding-top: 3rem; padding-bottom: 3rem; }
  .about-intro { gap: 1.5rem; margin-bottom: 3rem; }

  .team-info { padding: 1.25rem; }
  .project-info { padding: 1.25rem; }
}