:root {
  --navy: #0f1b2d;
  --navy-soft: #1a2d47;
  --gold: #c4a265;
  --gold-soft: #d8bd8c;
  --cream: #f7f4ee;
  --ink: #1c2532;
  --gray: #5c6675;
  --border: #e4e0d6;
  --font-serif: "Playfair Display", serif;
  --font-sans: "Inter", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 { font-family: var(--font-serif); font-weight: 600; line-height: 1.2; }

/* Header */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: background 0.3s ease, padding 0.3s ease, box-shadow 0.3s ease;
}
.site-header.scrolled {
  background: rgba(15, 27, 45, 0.96);
  padding: 12px 0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo img { height: 40px; width: auto; }
.main-nav { display: flex; gap: 28px; }
.main-nav a {
  color: #fff;
  font-size: 0.92rem;
  font-weight: 500;
  opacity: 0.88;
  transition: opacity 0.2s;
  white-space: nowrap;
}
.main-nav a:hover { opacity: 1; }
.btn-nav { white-space: nowrap; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px; height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 4px;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  border: 1.5px solid transparent;
}
.btn-primary {
  background: var(--gold);
  color: var(--navy);
}
.btn-primary:hover {
  background: var(--gold-soft);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(196, 162, 101, 0.35);
}
.btn-secondary {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.5);
}
.btn-secondary:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.08);
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  background:
    linear-gradient(135deg, rgba(15,27,45,0.95) 0%, rgba(26,45,71,0.80) 55%, rgba(15,27,45,0.9) 100%),
    radial-gradient(circle at 80% 20%, rgba(196,162,101,0.18), transparent 60%);
  color: #fff;
}
.hero-inner { max-width: 720px; }
.eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-soft);
  font-weight: 600;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(2.2rem, 4.6vw, 3.4rem);
  margin-bottom: 18px;
}
.hero-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.25rem;
  color: var(--gold-soft);
  margin-bottom: 20px;
}
.hero-subheading {
  font-size: 1.08rem;
  color: rgba(255,255,255,0.85);
  max-width: 560px;
  margin-bottom: 36px;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }

/* Sections */
.section { padding: 96px 0; }
.section-dark { background: var(--navy); color: #fff; }
.section-eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 12px;
}
.section-eyebrow-light { color: var(--gold-soft); }
.section h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 20px;
  color: var(--navy);
}
.section h2.light { color: #fff; }
.section-intro {
  max-width: 760px;
  color: var(--gray);
  font-size: 1.05rem;
  margin-bottom: 48px;
}

/* Pillars */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.pillar-card {
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px 28px;
}
.pillar-number {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--gold);
  margin-bottom: 12px;
}
.pillar-card h3 {
  font-size: 1.2rem;
  color: var(--navy);
  margin-bottom: 12px;
}
.pillar-card p { color: var(--gray); font-size: 0.96rem; }

/* IA section */
.ia-inner { max-width: 760px; }
.ia-copy {
  color: rgba(255,255,255,0.82);
  font-size: 1.05rem;
  margin-bottom: 28px;
}
.ia-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--gold-soft);
  font-size: 1.15rem;
}

/* Services */
.services {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.service-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 36px;
  background: #fff;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}
.service-card:hover {
  box-shadow: 0 16px 40px rgba(15,27,45,0.08);
  border-color: var(--gold);
}
.service-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--navy);
  background: var(--cream);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 20px;
  margin-bottom: 16px;
}
.service-card h3 {
  font-size: 1.15rem;
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 16px;
}
.service-objective {
  font-size: 0.95rem;
  color: var(--ink);
  margin-bottom: 16px;
}
.service-list {
  list-style: none;
  margin-bottom: 18px;
}
.service-list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.92rem;
  color: var(--gray);
  margin-bottom: 8px;
}
.service-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 6px; height: 6px;
  background: var(--gold);
  border-radius: 50%;
}
.service-closing {
  font-size: 0.92rem;
  color: var(--gray);
  margin-bottom: 18px;
}
.service-format {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

/* About */
.about-inner { max-width: 720px; }
.about-text p { color: var(--gray); font-size: 1.05rem; margin-bottom: 20px; }
.credentials {
  font-weight: 600;
  color: var(--navy) !important;
  font-size: 0.95rem !important;
}

/* CTA */
.cta-section { text-align: center; }
.cta-inner { display: flex; flex-direction: column; align-items: center; }
.cta-section h2 { margin-bottom: 32px; }
.contact-grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  width: 100%;
  max-width: 780px;
  text-align: left;
}
.contact-item { display: flex; flex-direction: column; gap: 6px; }
.contact-label {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold-soft);
  font-weight: 600;
}
.contact-item a, .contact-item span:not(.contact-label) {
  color: #fff;
  font-size: 0.98rem;
}
.contact-item a:hover { color: var(--gold-soft); }

/* Footer */
.site-footer {
  background: #0b1420;
  color: rgba(255,255,255,0.6);
  padding: 24px 0;
  font-size: 0.85rem;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-inner a { color: rgba(255,255,255,0.6); }
.footer-inner a:hover { color: var(--gold-soft); }

/* Responsive */
@media (max-width: 900px) {
  .pillars { grid-template-columns: 1fr; }
  .services { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .main-nav {
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: 260px;
    background: var(--navy);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 40px 32px;
    gap: 24px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
  }
  .main-nav.open { transform: translateX(0); }
  .nav-toggle { display: flex; }
  .btn-nav { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 120px; }
}
