/* =========================================================
   UPTAKE ADVISORY — Shared design system
   ========================================================= */

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

:root {
  --navy: #0C2340;
  --navy-mid: #1a3a5c;
  --navy-deep: #08192e;
  --navy-light: #e8eef5;
  --pink: #D4537E;
  --pink-deep: #c04570;
  --pink-light: #F4C0D1;
  --pink-pale: #FBEAF0;
  --cream: #FAF8F4;
  --warm-white: #FFFFFF;
  --charcoal: #2C2C2A;
  --muted: #7a7a78;
  --border: rgba(12,35,64,0.1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--cream);
  color: var(--charcoal);
  overflow-x: hidden;
  font-size: 15px;
  line-height: 1.6;
}

a { color: inherit; }

/* =========================================================
   NAV
   ========================================================= */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(250,248,244,0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 0.5px solid var(--border);
  padding: 0 3rem;
  height: 64px;
  display: flex; align-items: center; justify-content: space-between;
}
nav.nav-on-navy {
  background: rgba(12,35,64,0.85);
  border-bottom: 0.5px solid rgba(255,255,255,0.08);
}
.nav-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.nav-mark {
  width: 36px; height: 36px; border-radius: 8px;
  background: var(--pink);
  display: flex; align-items: center; justify-content: center;
}
.nav-mark span {
  font-family: 'Cormorant Garamond', serif;
  font-size: 20px; color: #fff; font-weight: 400; line-height: 1;
}
.nav-wordmark {
  font-family: 'Cormorant Garamond', serif;
  font-size: 18px; font-weight: 400; color: var(--navy);
  letter-spacing: 0.3px;
}
nav.nav-on-navy .nav-wordmark { color: #fff; }
.nav-wordmark em { font-style: normal; color: var(--pink); }
.nav-links { display: flex; gap: 2.5rem; }
.nav-links a {
  font-size: 13px; color: var(--muted);
  text-decoration: none; font-weight: 400;
  letter-spacing: 0.3px;
  transition: color 0.2s;
  position: relative;
}
.nav-links a:hover { color: var(--navy); }
.nav-links a.is-active { color: var(--navy); }
.nav-links a.is-active::after {
  content: '';
  position: absolute; left: 0; right: 0; bottom: -22px;
  height: 2px; background: var(--pink);
}
nav.nav-on-navy .nav-links a { color: rgba(255,255,255,0.55); }
nav.nav-on-navy .nav-links a:hover { color: #fff; }
nav.nav-on-navy .nav-links a.is-active { color: #fff; }
.nav-cta {
  font-size: 13px; font-weight: 500;
  padding: 9px 22px;
  background: var(--navy); color: #fff;
  border-radius: 100px; text-decoration: none;
  transition: background 0.2s;
  letter-spacing: 0.2px;
  white-space: nowrap;
}
.nav-cta:hover { background: var(--navy-mid); }
nav.nav-on-navy .nav-cta { background: var(--pink); }
nav.nav-on-navy .nav-cta:hover { background: var(--pink-deep); }

.nav-toggle {
  display: none;
  background: transparent; border: 0;
  width: 28px; height: 28px;
  flex-direction: column; justify-content: center; gap: 5px;
  cursor: pointer;
}
.nav-toggle span {
  display: block; width: 22px; height: 1.5px; background: var(--navy);
  transition: transform 0.2s, opacity 0.2s;
}

/* =========================================================
   Reusable parts
   ========================================================= */
.section-label {
  font-size: 11px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--pink); font-weight: 500;
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 1.25rem;
}
.section-label::before { content: ''; width: 20px; height: 1px; background: var(--pink); }
.section-label.on-navy { color: var(--pink-light); }
.section-label.on-navy::before { background: var(--pink-light); }

.h-display {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  color: var(--navy);
  line-height: 1.15;
  letter-spacing: -0.5px;
}
.h-display em { font-style: italic; color: var(--pink); }
.h-display.on-navy { color: #fff; }
.h-display.on-navy em { color: var(--pink-light); }

.eyebrow {
  font-size: 11px; letter-spacing: 3px; text-transform: uppercase;
  font-weight: 500; color: var(--pink);
}

.btn-pink {
  display: inline-block;
  padding: 13px 28px;
  background: var(--pink); color: #fff;
  border-radius: 100px; text-decoration: none;
  font-size: 13px; font-weight: 500;
  letter-spacing: 0.3px;
  transition: background 0.2s, transform 0.2s;
  border: 0;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
}
.btn-pink:hover { background: var(--pink-deep); }
.btn-pink.btn-lg { padding: 14px 32px; font-size: 14px; }

.btn-navy {
  display: inline-block;
  padding: 13px 28px;
  background: var(--navy); color: #fff;
  border-radius: 100px; text-decoration: none;
  font-size: 13px; font-weight: 500;
  letter-spacing: 0.3px;
  transition: background 0.2s;
}
.btn-navy:hover { background: var(--navy-mid); }

.btn-ghost-white {
  display: inline-block;
  padding: 13px 28px;
  border: 0.5px solid rgba(255,255,255,0.25);
  color: rgba(255,255,255,0.75);
  border-radius: 100px; text-decoration: none;
  font-size: 13px; font-weight: 400;
  transition: all 0.2s;
  background: transparent;
}
.btn-ghost-white:hover { border-color: rgba(255,255,255,0.6); color: #fff; }
.btn-ghost-white.btn-lg { padding: 14px 32px; font-size: 14px; }

.btn-ghost-navy {
  display: inline-block;
  padding: 13px 28px;
  border: 0.5px solid var(--border);
  color: var(--navy);
  border-radius: 100px; text-decoration: none;
  font-size: 13px; font-weight: 400;
  transition: all 0.2s;
  background: transparent;
}
.btn-ghost-navy:hover { border-color: var(--pink); color: var(--pink); }

/* =========================================================
   FOOTER
   ========================================================= */
footer {
  background: var(--navy-deep);
  padding: 3rem 4rem 2rem;
}
.footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 2.5rem;
  border-bottom: 0.5px solid rgba(255,255,255,0.08);
}
.footer-col h4 {
  font-size: 11px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--pink-light); font-weight: 500;
  margin-bottom: 1.25rem;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }
.footer-col a {
  font-size: 13px; color: rgba(255,255,255,0.45);
  text-decoration: none; transition: color 0.2s;
}
.footer-col a:hover { color: var(--pink-light); }
.footer-brand-line {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px; color: #fff; font-weight: 300;
  margin-bottom: 0.75rem;
}
.footer-brand-line em { font-style: normal; color: var(--pink); }
.footer-brand-desc {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic; font-weight: 300;
  font-size: 14px; color: rgba(255,255,255,0.45);
  line-height: 1.65;
  max-width: 320px;
}
.footer-bottom {
  max-width: 1200px; margin: 0 auto;
  padding-top: 1.5rem;
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem; flex-wrap: wrap;
}
.footer-bottom p { font-size: 12px; color: rgba(255,255,255,0.3); }
.footer-bottom-links { display: flex; gap: 1.5rem; }
.footer-bottom-links a {
  font-size: 12px; color: rgba(255,255,255,0.3);
  text-decoration: none; transition: color 0.2s;
}
.footer-bottom-links a:hover { color: var(--pink-light); }

/* =========================================================
   Animations
   ========================================================= */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.7s ease both; }
.fade-up.delay-1 { animation-delay: 0.1s; }
.fade-up.delay-2 { animation-delay: 0.2s; }
.fade-up.delay-3 { animation-delay: 0.35s; }
.fade-up.delay-4 { animation-delay: 0.5s; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 900px) {
  nav { padding: 0 1.25rem; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 2rem; padding: 0 0 2rem; }
  footer { padding: 2.5rem 1.5rem 1.5rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 560px) {
  .footer-inner { grid-template-columns: 1fr; }
}