/* ============================================================
   Layout · primitives · header · footer
   ============================================================ */

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  position: relative;
}

.section { padding: 140px 0; position: relative; }
.section-sm { padding: 96px 0; }
.section-lg { padding: 180px 0; }

/* Eyebrow label */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary-600);
}
.eyebrow::before {
  content: "";
  width: 24px; height: 1px;
  background: var(--primary-600);
}

/* Section head */
.section-head { max-width: 820px; margin-bottom: 80px; }
.section-head h2 {
  font-size: clamp(40px, 5vw, 60px);
  margin: 20px 0 24px;
  font-weight: 600;
}
.section-head p {
  font-size: 18px;
  line-height: 1.55;
  color: var(--text-muted);
  max-width: 640px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-body);
  letter-spacing: -0.01em;
  border-radius: 100px;
  white-space: nowrap;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition: color 0.7s var(--e-out), transform 0.4s var(--e-out), box-shadow 0.7s var(--e-out), border-color 0.7s var(--e-out);
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--primary-800);
  transform-origin: left center;
  transform: scaleX(0);
  transition: transform 0.7s cubic-bezier(.6,.05,.25,1);
  z-index: -1;
}
.btn:hover::before { transform: scaleX(1); }
.btn-primary {
  background: var(--primary-800);
  color: var(--text-on-dark);
}
.btn-primary::before { background: var(--primary-500); }
.btn-primary:hover {
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 12px 28px -12px rgba(77,108,131,0.55);
}
.btn-ghost {
  background: transparent;
  color: var(--primary-800);
  border: 1px solid var(--line-strong);
}
.btn-ghost:hover {
  color: #fff;
  border-color: var(--primary-800);
}
.btn-outline-light {
  background: transparent;
  color: var(--text-on-dark);
  border: 1px solid rgba(255,255,255,0.22);
}
.btn-outline-light::before { background: rgba(255,255,255,0.12); }
.btn-outline-light:hover { color: #fff; border-color: rgba(255,255,255,0.6); }

.btn .arr { transition: transform .25s var(--e-out); }
.btn:hover .arr { transform: translateX(3px); }

/* HEADER — floating pill */
.site-header {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: calc(var(--max-w) + 32px);
  z-index: 100;
  padding: 10px 14px 10px 22px;
  background: rgba(255,255,255,0.82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border: 1px solid var(--line);
  border-radius: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  box-shadow: var(--shadow-sm);
  transition: all .3s var(--e-out);
}
.site-header.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255,255,255,0.94);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  color: var(--primary-800);
  letter-spacing: -0.02em;
}
.logo img { height: 26px; width: auto; }

.nav-links {
  display: flex;
  gap: 2px;
}
.nav-links a {
  padding: 9px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 100px;
  font-family: var(--font-body);
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition: color 0.6s var(--e-out);
}
.nav-links a::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--primary-800);
  transform-origin: left center;
  transform: scaleX(0);
  transition: transform 0.6s cubic-bezier(.6,.05,.25,1);
  z-index: -1;
  border-radius: inherit;
}
.nav-links a:hover { color: #fff; }
.nav-links a:hover::before { transform: scaleX(1); }
.nav-links a.active { color: var(--primary-800); background: rgba(19,43,60,0.06); }
.nav-links a.active:hover { color: #fff; }
.nav-links a.active:hover::before { transform: scaleX(1); }

.header-cta {
  padding: 10px 18px !important;
  font-size: 13px !important;
}

@media (max-width: 860px) {
  .nav-links { display: none; }
}

/* FOOTER — deep navy with subtle blue waves */
.site-footer {
  background: var(--primary-800);
  color: var(--primary-300);
  position: relative;
  overflow: hidden;
  padding: 72px 0 28px;
}
.site-footer .container { position: relative; z-index: 3; }

.site-footer h6 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--primary-300);
  margin-bottom: 20px;
  font-weight: 500;
}
.site-footer .logo { color: var(--text-on-dark); font-size: 22px; }
.site-footer .logo img { filter: invert(1) brightness(1.2); }
.site-footer p, .site-footer a { color: var(--primary-300); font-family: var(--font-body); }
.site-footer a { transition: color .2s; }
.site-footer a:hover { color: var(--text-on-dark); }

.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand p {
  margin-top: 20px;
  max-width: 340px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--primary-400);
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer-col a { font-size: 14px; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 13px;
  color: var(--primary-400);
}
.footer-socials { display: flex; gap: 12px; }
.footer-socials a {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.1);
  transition: all .2s;
  color: var(--primary-300);
}
.footer-socials a:hover {
  border-color: var(--text-on-dark);
  color: var(--text-on-dark);
  transform: translateY(-2px);
}

@media (max-width: 900px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; gap: 16px; }
}

/* ============================================================
   Reveal animation
   ============================================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .9s var(--e-out), transform .9s var(--e-out);
}
[data-reveal].in {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal][data-delay="1"] { transition-delay: .08s; }
[data-reveal][data-delay="2"] { transition-delay: .16s; }
[data-reveal][data-delay="3"] { transition-delay: .24s; }
[data-reveal][data-delay="4"] { transition-delay: .32s; }
[data-reveal][data-delay="5"] { transition-delay: .40s; }