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

:root {
  --navy: #1B2A4A;
  --navy-light: #243558;
  --blue: #7AB3D0;
  --blue-light: #A8CDE0;
  --white: #FFFFFF;
  --gray-50: #F8F9FA;
  --gray-100: #F1F3F5;
  --gray-200: #E9ECEF;
  --gray-500: #6B7280;
  --gray-700: #374151;
  --gray-900: #111827;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --max-w: 1200px;
  --radius: 4px;
  --transition: 0.2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--gray-900);
  line-height: 1.6;
  background: var(--white);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}
.btn--primary { background: var(--blue); color: var(--navy); border-color: var(--blue); }
.btn--primary:hover { background: var(--blue-light); border-color: var(--blue-light); }
.btn--ghost { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.5); }
.btn--ghost:hover { border-color: var(--white); background: rgba(255,255,255,0.1); }
.btn--outline { background: transparent; color: var(--navy); border-color: var(--navy); padding: 0.6rem 1.5rem; }
.btn--outline:hover { background: var(--navy); color: var(--white); }
.btn--navy { background: var(--navy); color: var(--white); border-color: var(--navy); }
.btn--navy:hover { background: var(--navy-light); }
.btn--large { padding: 1rem 2.5rem; font-size: 0.9rem; }

/* ===== SECTION LABELS ===== */
.section__eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.75rem;
}
.section__heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  color: var(--navy);
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.5rem 2rem;
  transition: all 0.3s ease;
}
.nav--scrolled {
  background: var(--white);
  padding: 1rem 2rem;
  box-shadow: 0 1px 20px rgba(0,0,0,0.08);
}
.nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo { display: flex; align-items: center; }
.nav__logo-dark,
.nav__logo-light { height: 46px; width: auto; transition: opacity 0.3s; }
.nav__logo-dark { display: block; }
.nav__logo-light { display: none; }
.nav--scrolled .nav__logo-dark { display: none; }
.nav--scrolled .nav__logo-light { display: block; }

.nav__links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.nav__links a:not(.btn) {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: rgba(255,255,255,0.9);
  transition: color var(--transition);
}
.nav__links a:not(.btn):hover { color: var(--white); }
.nav--scrolled .nav__links a:not(.btn) { color: var(--gray-700); }
.nav--scrolled .nav__links a:not(.btn):hover { color: var(--navy); }

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__hamburger span { display: block; width: 24px; height: 2px; background: var(--white); transition: all var(--transition); }
.nav--scrolled .nav__hamburger span { background: var(--gray-700); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  background: var(--navy);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 8rem 2rem 6rem;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(122,179,208,0.12) 0%, transparent 60%);
}
.hero__content {
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
  z-index: 1;
  max-width: 700px;
}
.hero__eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 1.5rem;
}
.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 600;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 1.5rem;
}
.hero__sub {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.72);
  max-width: 560px;
  margin-bottom: 2.5rem;
  line-height: 1.75;
}
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero__mark {
  position: absolute;
  right: 6%;
  top: 50%;
  transform: translateY(-50%);
  width: 520px;
  height: 520px;
  opacity: 0.07;
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
  background: var(--blue);
}
.hero__mark::before {
  content: '';
  position: absolute;
  inset: 15%;
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
  background: var(--blue);
  opacity: 0.6;
}

/* ===== STATS ===== */
.stats {
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
  padding: 3.5rem 0;
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}
.stats__number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.stats__label {
  font-size: 0.875rem;
  color: var(--gray-500);
  font-weight: 500;
}

/* ===== ABOUT ===== */
.about { padding: 6rem 2rem; }
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.about__text p { color: var(--gray-700); margin-bottom: 1.25rem; line-height: 1.75; }
.about__text .btn { margin-top: 0.75rem; }
.about__image-placeholder {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 60%, rgba(122,179,208,0.25) 100%);
  border-radius: 8px;
  aspect-ratio: 4/3;
  position: relative;
  overflow: hidden;
}
.about__image-placeholder::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100px;
  height: 100px;
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
  background: rgba(122,179,208,0.2);
  border: 2px solid rgba(122,179,208,0.3);
}

/* ===== SERVICES ===== */
.services { background: var(--gray-50); padding: 6rem 2rem; }
.services__header { text-align: center; max-width: 600px; margin: 0 auto 4rem; }
.services__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.services__card {
  background: var(--white);
  padding: 2.5rem;
  border-radius: 8px;
  border: 1px solid var(--gray-200);
  transition: box-shadow var(--transition), transform var(--transition);
}
.services__card:hover { box-shadow: 0 8px 40px rgba(27,42,74,0.1); transform: translateY(-3px); }
.services__icon { width: 48px; height: 48px; margin-bottom: 1.5rem; }
.services__icon svg { width: 100%; height: 100%; }
.services__card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 1rem;
  line-height: 1.3;
}
.services__card p { color: var(--gray-500); font-size: 0.9rem; line-height: 1.7; margin-bottom: 1.5rem; }
.services__link {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--blue);
  text-transform: uppercase;
  transition: color var(--transition);
}
.services__link:hover { color: var(--navy); }

/* ===== TESTIMONIAL ===== */
.testimonial { background: var(--navy); padding: 6rem 2rem; text-align: center; }
.testimonial__quote {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.5vw, 1.85rem);
  font-style: italic;
  font-weight: 400;
  color: var(--white);
  max-width: 800px;
  margin: 0 auto 2rem;
  line-height: 1.65;
}
.testimonial__cite {
  font-style: normal;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--blue);
  text-transform: uppercase;
  font-weight: 500;
}

/* ===== INSIGHTS ===== */
.insights { padding: 6rem 2rem; }
.insights__header { text-align: center; max-width: 600px; margin: 0 auto 3rem; }
.insights__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.insights__card {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--gray-200);
  transition: box-shadow var(--transition);
}
.insights__card:hover { box-shadow: 0 8px 30px rgba(27,42,74,0.1); }
.insights__img-placeholder {
  height: 200px;
  background: linear-gradient(135deg, var(--navy) 0%, rgba(122,179,208,0.35) 100%);
}
.insights__body { padding: 1.75rem; }
.insights__category {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.75rem;
}
.insights__body h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.75rem;
  line-height: 1.35;
}
.insights__body p { font-size: 0.875rem; color: var(--gray-500); line-height: 1.6; margin-bottom: 1.25rem; }
.insights__link {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--blue);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color var(--transition);
}
.insights__link:hover { color: var(--navy); }

/* ===== CTA ===== */
.cta {
  background: linear-gradient(135deg, var(--navy-light), var(--navy));
  padding: 5rem 2rem;
}
.cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
}
.cta__text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.75rem;
}
.cta__text p { color: rgba(255,255,255,0.65); font-size: 1rem; }
.cta__action { flex-shrink: 0; }

/* ===== FOOTER ===== */
.footer { background: var(--gray-900); padding-top: 4rem; }
.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer__logo { height: 50px; width: auto; margin-bottom: 1rem; }
.footer__brand p { font-size: 0.875rem; color: rgba(255,255,255,0.45); max-width: 280px; }
.footer__nav { display: flex; gap: 4rem; }
.footer__col { display: flex; flex-direction: column; gap: 0.75rem; }
.footer__col h4 {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 0.25rem;
}
.footer__col a { font-size: 0.875rem; color: rgba(255,255,255,0.65); transition: color var(--transition); }
.footer__col a:hover { color: var(--white); }
.footer__bottom { padding: 1.5rem 2rem; text-align: center; }
.footer__bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.3); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .about__grid { grid-template-columns: 1fr; gap: 3rem; }
  .about__image { order: -1; }
  .services__grid { grid-template-columns: 1fr 1fr; }
  .insights__grid { grid-template-columns: 1fr 1fr; }
  .cta__inner { flex-direction: column; text-align: center; }
  .footer__inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero__mark { display: none; }
}

@media (max-width: 640px) {
  .nav__links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--white);
    padding: 1.5rem 2rem;
    gap: 1.5rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.12);
  }
  .nav__links a:not(.btn) { color: var(--gray-700); }
  .nav__links--open { display: flex; }
  .nav__hamburger { display: flex; }
  .services__grid { grid-template-columns: 1fr; }
  .insights__grid { grid-template-columns: 1fr; }
  .footer__nav { flex-direction: column; gap: 2rem; }
  .hero__actions { flex-direction: column; align-items: flex-start; }
}