/* ========= NAV ========= */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: var(--space-2) 0;
  background: rgba(251, 251, 251, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: background var(--dur), border-color var(--dur), box-shadow var(--dur);
}
.nav.is-scrolled {
  background: rgba(251, 251, 251, 0.97);
  border-bottom-color: var(--color-border);
  box-shadow: 0 1px 8px rgba(0,0,0,0.04);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }
.nav__logo { display: flex; align-items: center; }
.nav__logo img { height: 38px; width: auto; }
.nav__links {
  display: flex; align-items: center; gap: var(--space-4);
  list-style: none; margin: 0; padding: 0;
}
.nav__links a {
  font-family: var(--font-display);
  font-size: var(--fs-sm); font-weight: 500;
  color: var(--color-text-muted);
}
.nav__links a:hover, .nav__links a.is-active { color: var(--color-text); }
.nav__cta { display: inline-flex; }

.nav__item { position: relative; }
.nav__dropdown {
  position: absolute; top: calc(100% + 12px); left: -16px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: var(--space-1);
  min-width: 220px;
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: all var(--dur) var(--ease);
  list-style: none; margin: 0;
  box-shadow: 0 12px 32px rgba(0,0,0,0.08);
}
.nav__item:hover .nav__dropdown,
.nav__item:focus-within .nav__dropdown { opacity: 1; visibility: visible; transform: none; }
.nav__dropdown a { display: block; padding: 0.6rem 0.9rem; border-radius: var(--radius); }
.nav__dropdown a:hover { background: var(--color-bg-alt); color: var(--color-text); }

.nav__toggle { display: none; }
@media (max-width: 900px) {
  .nav__toggle {
    display: flex; flex-direction: column; gap: 5px;
    width: 42px; height: 42px;
    align-items: center; justify-content: center;
    border: 1px solid var(--color-border); border-radius: var(--radius);
  }
  .nav__toggle span { width: 18px; height: 2px; background: var(--color-text); transition: transform var(--dur), opacity var(--dur); }
  .nav.is-open .nav__toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav.is-open .nav__toggle span:nth-child(2) { opacity: 0; }
  .nav.is-open .nav__toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .nav__links {
    position: fixed; inset: 60px 0 auto 0;
    background: var(--color-white); border-bottom: 1px solid var(--color-border);
    flex-direction: column; align-items: stretch;
    padding: var(--space-3); gap: var(--space-2);
    transform: translateY(-120%); transition: transform var(--dur) var(--ease);
    box-shadow: 0 12px 32px rgba(0,0,0,0.08);
  }
  .nav.is-open .nav__links { transform: none; }
  .nav__links li { border-bottom: 1px solid var(--color-border); padding-bottom: var(--space-2); }
  .nav__links li:last-child { border: 0; }
  .nav__dropdown {
    position: static; opacity: 1; visibility: visible; transform: none;
    background: transparent; border: 0; padding: var(--space-1) 0 0; min-width: 0; box-shadow: none;
  }
  .nav__cta { display: none; }
}

/* ========= BUTTONS ========= */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 600; font-size: var(--fs-sm);
  transition: transform var(--dur) var(--ease), background var(--dur), color var(--dur);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--color-gold); color: var(--color-dark); }
.btn--primary:hover { background: var(--color-gold-hover); color: var(--color-dark); }
.btn--navy { background: var(--color-navy); color: #fff; }
.btn--navy:hover { background: var(--color-navy-light); color: #fff; }
.btn--dark { background: var(--color-dark); color: #fff; }
.btn--dark:hover { background: var(--color-dark-hover); color: #fff; }
.btn--ghost { background: transparent; color: var(--color-text); border: 1.5px solid var(--color-border); }
.btn--ghost:hover { border-color: var(--color-navy); color: var(--color-navy); }
.btn--lg { padding: 1rem 1.75rem; font-size: 1rem; }
.btn__icon { width: 18px; height: 18px; }

/* ========= CARDS ========= */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  transition: border-color var(--dur), box-shadow var(--dur), transform var(--dur);
  display: flex; flex-direction: column;
}
.card:hover {
  border-color: var(--color-navy);
  box-shadow: 0 8px 24px rgba(0,40,107,0.08);
  transform: translateY(-3px);
}
.card__icon { width: 48px; height: 48px; margin-bottom: var(--space-3); }
.card__icon img { width: 100%; height: 100%; object-fit: contain; }
.card h3 { margin-bottom: 0.5rem; }
.card p { font-size: var(--fs-sm); }
.card__link {
  margin-top: auto;
  font-family: var(--font-display);
  font-size: var(--fs-xs); font-weight: 600;
  color: var(--color-navy);
  padding-top: var(--space-3);
}

/* service cards — dark bg like current site */
.card--dark {
  background: var(--color-dark);
  border-color: #2a2a2a;
}
.card--dark:hover { border-color: var(--color-gold); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }
.card--dark h3, .card--dark p { color: #fff; }
.card--dark p { color: rgba(255,255,255,0.7); }
.card--dark .card__link { color: var(--color-gold); }

/* ========= GRID ========= */
.grid { display: grid; gap: var(--space-3); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; } }

/* image utility — keeps split-layout images sane */
.media-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}
.media-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.media-frame--portrait { aspect-ratio: 3 / 4; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--wide { aspect-ratio: 16 / 10; }

/* ========= HERO ========= */
.hero {
  padding: calc(var(--space-8) + 60px) 0 var(--space-7);
  position: relative;
}
.hero__inner { display: grid; grid-template-columns: 1.1fr 1fr; gap: var(--space-5); align-items: center; }
.hero__inner > div { min-width: 0; }
@media (max-width: 900px) { .hero__inner { grid-template-columns: 1fr; } }
.hero__content { position: relative; }
.hero h1 { font-size: var(--fs-hero); margin-bottom: var(--space-3); }
.hero__sub {
  font-size: 1.15rem; color: var(--color-text-muted);
  max-width: 52ch; margin-bottom: var(--space-4); line-height: 1.65;
}
.hero__ctas { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.hero__image { border-radius: var(--radius-lg); overflow: hidden; }
.hero__image img { width: 100%; height: auto; display: block; }

/* ========= LOGO STRIP ========= */
.logo-strip {
  display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap; gap: var(--space-5); padding: var(--space-3) 0;
}
.logo-strip img {
  height: 32px; width: auto;
  filter: grayscale(100%); opacity: 0.45;
  transition: opacity var(--dur), filter var(--dur);
}
.logo-strip img:hover { filter: grayscale(0%); opacity: 1; }

/* ========= TESTIMONIALS ========= */
.testimonial {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: flex; flex-direction: column; gap: var(--space-3);
}
.testimonial__stars { color: var(--color-gold); font-size: 1.1rem; letter-spacing: 0.1em; }
.testimonial__quote { font-size: 1rem; line-height: 1.65; color: var(--color-text); margin: 0; }
.testimonial__author {
  font-family: var(--font-display);
  font-size: var(--fs-xs); font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--color-text-dim);
}

/* ========= PROCESS ========= */
.process { display: grid; gap: var(--space-3); }
.process__step {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: grid; grid-template-columns: auto 1fr;
  gap: var(--space-3); align-items: start;
}
.process__num {
  font-family: var(--font-display);
  font-size: 2.5rem; font-weight: 700;
  color: var(--color-navy); line-height: 1;
}

/* ========= CTA BLOCK ========= */
.cta-block {
  background: var(--color-navy);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
}
.cta-block h2 { color: #fff; max-width: 22ch; margin: 0 auto var(--space-3); }
.cta-block p { color: rgba(255,255,255,0.75); max-width: 50ch; margin: 0 auto var(--space-4); }

/* ========= CASE STUDY FEATURE ========= */
.featured-case {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--space-5); align-items: center;
  background: var(--color-dark); border-radius: var(--radius-lg);
  padding: var(--space-5); color: #fff;
}
@media (max-width: 900px) { .featured-case { grid-template-columns: 1fr; } }
.featured-case h3, .featured-case p { color: #fff; }
.featured-case p { color: rgba(255,255,255,0.75); }
.featured-case__image { border-radius: var(--radius); overflow: hidden; }
.featured-case__image img { width: 100%; height: auto; display: block; }
.metric-row { display: flex; gap: var(--space-4); flex-wrap: wrap; margin-top: var(--space-3); }
.metric { display: flex; flex-direction: column; }
.metric__value { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; color: var(--color-gold); line-height: 1; }
.metric__label { font-size: var(--fs-xs); color: var(--color-text-dim); text-transform: uppercase; letter-spacing: 0.06em; margin-top: 0.25rem; }
.featured-case .metric__label { color: rgba(255,255,255,0.5); }

/* ========= BLOG CARDS ========= */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
@media (max-width: 900px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .blog-grid { grid-template-columns: 1fr; } }
.blog-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden; display: flex; flex-direction: column;
  transition: border-color var(--dur), box-shadow var(--dur), transform var(--dur);
}
.blog-card:hover { border-color: var(--color-navy); box-shadow: 0 8px 24px rgba(0,40,107,0.08); transform: translateY(-3px); }
.blog-card__image { overflow: hidden; }
.blog-card__image img { width: 100%; height: auto; display: block; aspect-ratio: 16/10; object-fit: cover; }
.blog-card__body { padding: var(--space-3); display: flex; flex-direction: column; flex: 1; }
.blog-card__meta {
  display: flex; gap: var(--space-1); align-items: center;
  font-family: var(--font-display); font-weight: 600;
  font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--color-text-dim); margin-bottom: var(--space-2);
}
.blog-card__category { color: var(--color-navy); }
.blog-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.blog-card p { font-size: var(--fs-sm); margin-bottom: var(--space-2); flex: 1; }
.blog-card__link { font-family: var(--font-display); font-weight: 600; font-size: var(--fs-xs); color: var(--color-navy); }

/* ========= FOOTER ========= */
.footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-6) 0 var(--space-4);
  background: var(--color-white);
}
.footer__grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-5); margin-bottom: var(--space-5);
}
@media (max-width: 900px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .footer__grid { grid-template-columns: 1fr; } }
.footer h4 {
  font-family: var(--font-display);
  font-size: var(--fs-xs); font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--color-text-dim); margin-bottom: var(--space-2);
}
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.5rem; }
.footer a { font-size: var(--fs-sm); color: var(--color-text-muted); }
.footer__social { display: flex; gap: var(--space-2); margin-top: var(--space-3); }
.footer__social img { width: 22px; height: 22px; opacity: 0.5; transition: opacity var(--dur); }
.footer__social a:hover img { opacity: 1; }
.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-3);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-2);
  font-size: var(--fs-xs); color: var(--color-text-dim);
}

/* ========= BACK TO TOP ========= */
.back-to-top {
  position: fixed; bottom: 24px; right: 24px;
  width: 44px; height: 44px; border-radius: var(--radius);
  background: var(--color-navy); color: #fff;
  display: grid; place-items: center;
  font-size: 1.1rem; font-weight: 700;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all var(--dur) var(--ease);
  z-index: 90;
  box-shadow: 0 4px 16px rgba(0,40,107,0.25);
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: none; }

/* ========= SECTION HELPERS ========= */
.section-header { max-width: 700px; margin-bottom: var(--space-5); }
.section-header.center { margin-left: auto; margin-right: auto; text-align: center; }
.divider { height: 1px; background: var(--color-border); margin: 0; border: 0; }
.badge {
  display: inline-flex;
  padding: 0.3rem 0.7rem; border-radius: var(--radius);
  background: var(--color-gold); color: var(--color-dark);
  font-family: var(--font-display); font-weight: 600;
  font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 0.05em;
}
.feature-list { list-style: none; padding: 0; display: grid; gap: var(--space-2); margin: var(--space-3) 0; }
.feature-list li { position: relative; padding-left: 1.6rem; color: var(--color-text); }
.feature-list li::before { content: "→"; position: absolute; left: 0; top: 0; color: var(--color-gold); font-weight: 700; }