/* ─────────────────────────────────────────────
   SOLUZ HEALTH — Brand Stylesheet
   Following Brand Guideline 2024 (rebranded)
   Colors: #36A9FF #808EED #C0DFFF #FFFFFF + #0A1F3D
   Fonts: Oswald (display) + Montserrat (body)
   Note: Fonts are loaded via <link> tags in each HTML file's <head>
   ───────────────────────────────────────────── */

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

:root {
  /* Brand colors per guideline */
  --brand-blue: #36A9FF;
  --brand-purple: #808EED;
  --brand-light-blue: #C0DFFF;
  --brand-white: #FFFFFF;
  --brand-navy: #0A1F3D;
  --brand-navy-soft: #1B3358;
  --brand-mid: #4A7FB8;

  /* Semantic + legacy aliases */
  --primary: var(--brand-blue);
  --primary-dark: var(--brand-navy);
  --sage: var(--brand-blue);
  --sage-light: #E8F4FF;
  --sage-dark: var(--brand-navy);
  --sage-mid: var(--brand-mid);
  --warm: var(--brand-purple);
  --warm-light: #EEF1FC;

  --text: #1A2332;
  --text-muted: #5A6B82;
  --white: #fff;
  --off-white: #F4F9FF;
  --border: #D8E4F0;
  --radius: 8px;

  --font-display: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Montserrat', 'Helvetica', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
  font-weight: 400;
}

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

/* HEADER */
header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
}
.header-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; height: 76px; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo-mark { width: 42px; height: 42px; display: flex; align-items: center; justify-content: center; }
.logo-mark svg { width: 100%; height: 100%; }
.logo-text { font-family: var(--font-display); font-size: 22px; font-weight: 700; letter-spacing: 0.01em; color: var(--brand-navy); line-height: 1; }
nav { display: flex; align-items: center; gap: 2rem; }
nav a { font-family: var(--font-body); font-size: 14px; font-weight: 500; color: var(--text); transition: color 0.2s; }
nav a:hover, nav a.active { color: var(--brand-blue); }
.nav-dropdown { position: relative; }
.nav-dropdown > a::after { content: ' ▾'; font-size: 10px; }
.dropdown-menu { display: none; position: absolute; top: calc(100% + 8px); left: 0; background: white; border: 1px solid var(--border); border-radius: var(--radius); min-width: 230px; box-shadow: 0 8px 24px rgba(10,31,61,0.10); padding: 8px 0; }
.nav-dropdown:hover .dropdown-menu { display: block; }
.dropdown-menu a { display: block; padding: 10px 18px; font-size: 14px; color: var(--text); transition: background 0.15s, color 0.15s; }
.dropdown-menu a:hover { background: var(--sage-light); color: var(--brand-blue); }
.nav-phone { font-size: 13px; color: var(--brand-navy); font-weight: 600; border: 1.5px solid var(--brand-blue); padding: 7px 16px; border-radius: 24px; transition: background 0.2s, color 0.2s; }
.nav-phone:hover { background: var(--brand-blue); color: white; }

/* BUTTONS */
.btn-primary { background: var(--brand-blue); color: white; padding: 12px 28px; border-radius: 6px; font-family: var(--font-display); font-size: 14px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; transition: background 0.2s, transform 0.15s, box-shadow 0.2s; cursor: pointer; border: none; display: inline-block; box-shadow: 0 2px 8px rgba(54,169,255,0.25); }
.btn-primary:hover { background: var(--brand-navy); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(10,31,61,0.25); }
.btn-outline { background: transparent; color: var(--brand-navy); padding: 12px 28px; border-radius: 6px; font-family: var(--font-display); font-size: 14px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; border: 2px solid var(--brand-navy); transition: all 0.2s; cursor: pointer; display: inline-block; }
.btn-outline:hover { background: var(--brand-navy); color: white; }

/* LAYOUT */
section { padding: 6rem 2rem; }
.container { max-width: 1200px; margin: 0 auto; }

/* TYPOGRAPHY HELPERS */
.section-eyebrow { font-family: var(--font-display); font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--brand-blue); font-weight: 600; margin-bottom: 1rem; }
.section-title { font-family: var(--font-display); font-size: clamp(2rem, 4.5vw, 3.2rem); font-weight: 700; line-height: 1.1; color: var(--brand-navy); margin-bottom: 1rem; letter-spacing: -0.01em; }
.section-title em { font-style: normal; color: var(--brand-blue); }
.section-subtitle { font-size: 16px; color: var(--text-muted); max-width: 580px; line-height: 1.75; font-weight: 400; }

/* PAGE HERO */
.page-hero { background: var(--brand-navy); padding: 5rem 2rem 4rem; position: relative; overflow: hidden; }
.page-hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0.20; }
.page-hero::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 0%, rgba(10,31,61,0.4) 100%); pointer-events: none; }
.page-hero-content { position: relative; z-index: 2; max-width: 1200px; margin: 0 auto; }
.page-hero .breadcrumb { font-family: var(--font-body); font-size: 12px; letter-spacing: 0.15em; text-transform: uppercase; color: rgba(255,255,255,0.5); margin-bottom: 1.25rem; font-weight: 500; }
.page-hero .breadcrumb a { color: rgba(255,255,255,0.6); }
.page-hero .breadcrumb a:hover { color: var(--brand-blue); }
.page-hero h1 { font-family: var(--font-display); font-size: clamp(2.4rem, 6vw, 4.4rem); font-weight: 700; color: white; line-height: 1.05; margin-bottom: 1.25rem; letter-spacing: -0.01em; }
.page-hero h1 em { font-style: normal; color: var(--brand-blue); }
.page-hero .lead { font-size: 17px; color: rgba(255,255,255,0.78); max-width: 580px; line-height: 1.75; font-weight: 400; }

/* PROSE */
.prose h2 { font-family: var(--font-display); font-size: 1.9rem; color: var(--brand-navy); margin: 2rem 0 0.75rem; font-weight: 700; }
.prose h3 { font-family: var(--font-display); font-size: 1.35rem; color: var(--brand-navy); margin: 1.5rem 0 0.5rem; font-weight: 600; }
.prose p { font-size: 16px; color: var(--text-muted); line-height: 1.8; margin-bottom: 1rem; font-weight: 400; }
.prose ul { list-style: none; padding: 0; margin-bottom: 1.25rem; }
.prose ul li { font-size: 15px; color: var(--text-muted); line-height: 1.75; padding: 0.4rem 0 0.4rem 1.5rem; position: relative; }
.prose ul li::before { content: ''; position: absolute; left: 0; top: 0.95rem; width: 8px; height: 8px; background: var(--brand-blue); border-radius: 50%; }

/* STAT BAR */
.stat-bar { background: var(--brand-navy); padding: 3.5rem 2rem; }
.stat-bar-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
.stat { text-align: center; }
.stat-num { font-family: var(--font-display); font-size: 3rem; font-weight: 700; color: var(--brand-blue); line-height: 1; margin-bottom: 0.5rem; letter-spacing: -0.02em; }
.stat-label { font-family: var(--font-body); font-size: 13px; color: rgba(255,255,255,0.65); letter-spacing: 0.04em; font-weight: 400; }

/* FAQ */
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question { width: 100%; background: none; border: none; cursor: pointer; padding: 1.5rem 0; display: flex; justify-content: space-between; align-items: center; font-family: var(--font-display); font-size: 17px; font-weight: 600; color: var(--brand-navy); text-align: left; letter-spacing: 0.01em; }
.faq-question .faq-icon { font-size: 22px; color: var(--brand-blue); transition: transform 0.25s; flex-shrink: 0; margin-left: 1rem; font-weight: 400; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-answer-inner { padding: 0 0 1.5rem; font-size: 15px; color: var(--text-muted); line-height: 1.8; }

/* CARDS */
.card-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.card-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.card { background: white; border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; transition: border-color 0.2s, transform 0.2s; }
.card:hover { border-color: var(--brand-blue); transform: translateY(-2px); }
.card-dark { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12); border-radius: var(--radius); padding: 2rem; }
.card-icon { width: 48px; height: 48px; border-radius: 50%; background: var(--sage-light); display: flex; align-items: center; justify-content: center; margin-bottom: 1.2rem; }
.card-icon svg { width: 24px; height: 24px; stroke: var(--brand-blue); fill: none; stroke-width: 1.6; }
.card h3 { font-family: var(--font-display); font-size: 1.3rem; font-weight: 600; color: var(--brand-navy); margin-bottom: 0.6rem; letter-spacing: 0.01em; }
.card p { font-size: 14px; color: var(--text-muted); line-height: 1.75; }

/* CTA BAND */
.cta-band { background: linear-gradient(135deg, var(--brand-light-blue) 0%, #DEEEFF 100%); padding: 4.5rem 2rem; text-align: center; }
.cta-band h2 { font-family: var(--font-display); font-size: 2.3rem; font-weight: 700; color: var(--brand-navy); margin-bottom: 0.75rem; }
.cta-band p { font-size: 16px; color: var(--brand-navy-soft); margin-bottom: 2rem; max-width: 540px; margin-left: auto; margin-right: auto; }
.cta-band .cta-btns { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* FOOTER */
footer { background: var(--brand-navy); padding: 4rem 2rem 2rem; }
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; padding-bottom: 3rem; border-bottom: 1px solid rgba(255,255,255,0.10); }
.footer-logo-row { display: flex; align-items: center; gap: 12px; margin-bottom: 1rem; }
.footer-logo-mark { width: 38px; height: 38px; }
.footer-logo { font-family: var(--font-display); font-size: 22px; color: white; font-weight: 700; letter-spacing: 0.01em; }
.footer-tagline { font-size: 14px; color: rgba(255,255,255,0.55); line-height: 1.7; max-width: 290px; }
.footer-col h4 { font-family: var(--font-display); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--brand-blue); margin-bottom: 1rem; font-weight: 600; }
.footer-col a { display: block; font-size: 14px; color: rgba(255,255,255,0.7); margin-bottom: 0.5rem; transition: color 0.2s; }
.footer-col a:hover { color: var(--brand-blue); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 1.5rem; flex-wrap: wrap; gap: 1rem; }
.footer-bottom p { font-size: 12px; color: rgba(255,255,255,0.4); }

/* MOBILE */
.hamburger { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--brand-navy); }
.mobile-menu { display: none; position: fixed; inset: 0; background: white; z-index: 200; padding: 5rem 2rem 2rem; overflow-y: auto; }
.mobile-menu.open { display: block; }
.mobile-menu-close { position: absolute; top: 20px; right: 20px; background: none; border: none; font-size: 28px; cursor: pointer; color: var(--brand-navy); }
.mobile-menu a { display: block; font-family: var(--font-display); font-size: 18px; font-weight: 600; color: var(--brand-navy); padding: 0.85rem 0; border-bottom: 1px solid var(--border); }
.mobile-menu .mobile-cta { margin-top: 2rem; }

@media (max-width: 960px) {
  .nav-links { display: none !important; }
  .hamburger { display: flex; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .stat-bar-inner { grid-template-columns: repeat(2, 1fr); }
  .card-grid-3 { grid-template-columns: 1fr; }
  .card-grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  section { padding: 4rem 1.25rem; }
  .page-hero { padding: 4rem 1.25rem 3rem; }
  .footer-top { grid-template-columns: 1fr; }
  .stat-bar-inner { grid-template-columns: 1fr 1fr; }
}
