/* ============================================================
   CRYOFLUX — PATHWAY PAGE CSS
   Shared styles for all eight pathway pages
   June 2026
   ============================================================ */

:root {
  --cryo-blue: #0082b4;
  --cryo-green: #3a9e28;
  --cold-gold: #b8962e;
  --flame: #cc3300;
  --white: #ffffff;
  --off-white: #f8f9fb;
  --surface: #f2f5f8;
  --rule: rgba(0,130,180,0.10);
  --text-primary: #18253a;
  --text-secondary: #3a4d62;
  --text-muted: #7a8fa8;
  --font-serif: 'Cormorant Garamond', serif;
  --font-body: 'Rajdhani', sans-serif;
  --font-display: 'Orbitron', monospace;
  --nav-h: 60px;
  --pad: 64px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--white);
  color: var(--text-primary);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
p { margin-bottom: 20px; }
p:last-child { margin-bottom: 0; }

/* --- NAV --- */
.pw-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--rule);
  z-index: 100;
}
.pw-nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--pad);
}
.pw-nav-back {
  font-family: var(--font-display);
  font-size: 9px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
}
.pw-nav-back:hover { color: var(--cryo-blue); }
.pw-nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.pw-nav-emblem { width: 28px; height: 28px; object-fit: contain; }
.pw-nav-name {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
}
.nc { color: var(--cryo-blue); }
.nf { color: var(--cryo-green); }
.pw-nav-num {
  font-family: var(--font-display);
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--text-muted);
}

/* --- HEADER --- */
.pw-header {
  padding-top: calc(var(--nav-h) + 80px);
  padding-bottom: 80px;
  padding-left: var(--pad);
  padding-right: var(--pad);
  background: var(--white);
  border-bottom: 1px solid var(--rule);
}
.pw-header-inner { max-width: 1280px; margin: 0 auto; }
.pw-eyebrow {
  font-family: var(--font-display);
  font-size: 9px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--cryo-blue);
  margin-bottom: 16px;
}
.pw-title {
  font-family: var(--font-serif);
  font-size: clamp(40px, 5vw, 72px);
  font-weight: 300;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  margin-bottom: 16px;
  line-height: 1.1;
}
.pw-burden {
  font-family: var(--font-serif);
  font-size: clamp(18px, 2vw, 22px);
  font-style: italic;
  color: var(--text-muted);
}

/* --- SECTIONS --- */
.pw-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 70vh;
  border-bottom: 1px solid var(--rule);
}
.pw-problem { background: var(--white); }
.pw-solution { background: var(--off-white); }

.pw-asset-frame {
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
}
.pw-asset {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* Problem -- asset left, content right */
.pw-problem .pw-asset-frame { order: 1; }
.pw-problem .pw-content { order: 2; }

/* Solution -- content left, asset right */
.pw-solution .pw-asset-frame { order: 2; }
.pw-solution .pw-content { order: 1; }

.pw-content {
  padding: 80px var(--pad);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.pw-section-label {
  font-family: var(--font-display);
  font-size: 9px;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.pw-label-problem { color: var(--flame); }
.pw-label-solution { color: var(--cryo-blue); }

.pw-section-title {
  font-family: var(--font-serif);
  font-size: clamp(24px, 2.8vw, 40px);
  font-weight: 300;
  color: var(--text-primary);
  margin-bottom: 32px;
  line-height: 1.2;
  letter-spacing: -0.3px;
}
.pw-content p {
  font-family: var(--font-serif);
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.85;
  color: var(--text-secondary);
  margin-bottom: 20px;
}
.pw-distinction {
  font-family: var(--font-serif) !important;
  font-size: clamp(17px, 1.8vw, 21px) !important;
  font-style: italic;
  color: var(--text-primary) !important;
  font-weight: 500;
  padding: 20px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin: 8px 0 !important;
}
.pw-close {
  font-family: var(--font-display) !important;
  font-size: clamp(10px, 1.1vw, 12px) !important;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--cryo-blue) !important;
  font-style: normal !important;
  margin-top: 8px !important;
}

/* --- FOOTER --- */
.pw-footer {
  background: var(--surface);
  border-top: 1px solid var(--rule);
  padding: 48px var(--pad);
}
.pw-footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.pw-footer-back {
  font-family: var(--font-display);
  font-size: 9px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
}
.pw-footer-back:hover { color: var(--cryo-blue); }
.pw-footer-nav {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}
.pw-footer-label {
  font-family: var(--font-display);
  font-size: 8px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
}
.pw-footer-next {
  font-family: var(--font-serif);
  font-size: 18px;
  font-style: italic;
  color: var(--cryo-blue);
  transition: color 0.2s;
}
.pw-footer-next:hover { color: var(--cryo-green); }

/* --- RESPONSIVE --- */
@media (max-width: 900px) {
  :root { --pad: 32px; }
  .pw-section { grid-template-columns: 1fr; }
  .pw-problem .pw-asset-frame,
  .pw-solution .pw-asset-frame { order: 1; min-height: 320px; }
  .pw-problem .pw-content,
  .pw-solution .pw-content { order: 2; }
  .pw-nav-num { display: none; }
}

/* --- MOBILE PASS --- */
@media (max-width: 600px) {
  :root { --pad: 20px; }
  .pw-title { font-size: 32px; }
  .pw-section-title { font-size: 22px; }
  .pw-content p { font-size: 16px; }
  .pw-footer-inner { flex-direction: column; gap: 20px; align-items: flex-start; }
  .pw-footer-nav { align-items: flex-start; }
  .pw-nav-back { font-size: 8px; }
  .pw-nav-name { font-size: 12px; }
}

/* --- MOBILE ASSET SWAPS --- */
@media (max-width: 680px) {

  /* Kill section grid height — let content dictate height */
  .pw-section {
    display: block !important;
    min-height: unset !important;
  }

  /* Portrait asset frames — block, no flex, image flows naturally */
  .pw-problem .pw-asset-frame,
  .pw-solution .pw-asset-frame {
    min-height: unset !important;
    height: auto !important;
    max-height: unset !important;
    overflow: hidden;
    background: var(--white);
    display: block !important;
    align-items: unset !important;
    justify-content: unset !important;
  }
  .pw-asset {
    width: 100%;
    height: auto !important;
    object-fit: unset !important;
    display: block;
  }

  /* Pathway I — Data Center */
  #pathway-I .pw-problem .pw-asset { content: url('../images/pathway-I-problem-mobile.png'); }
  #pathway-I .pw-solution .pw-asset { content: url('../images/pathway-I-solution-mobile.png'); }

  /* Pathway II — Medical */
  #pathway-II .pw-problem .pw-asset { content: url('../images/pathway-II-problem-mobile.png'); }
  #pathway-II .pw-solution .pw-asset { content: url('../images/pathway-II-solution-mobile.png'); }

  /* Pathway III — Organ Transport */
  #pathway-III .pw-problem .pw-asset { content: url('../images/pathway-III-problem-mobile.png'); }
  #pathway-III .pw-solution .pw-asset { content: url('../images/pathway-III-solution-mobile.png'); }

  /* Pathway IV — LN2 Production */
  #pathway-IV .pw-problem .pw-asset { content: url('../images/pathway-IV-problem-mobile.png'); }
  #pathway-IV .pw-solution .pw-asset { content: url('../images/pathway-IV-solution-mobile.png'); }

  /* Pathway V — Defense */
  #pathway-V .pw-problem .pw-asset { content: url('../images/pathway-V-problem-mobile.png'); }
  #pathway-V .pw-solution .pw-asset { content: url('../images/pathway-V-solution-mobile.png'); }

  /* Pathway VI — Building */
  #pathway-VI .pw-problem .pw-asset { content: url('../images/pathway-VI-problem-mobile.png'); }
  #pathway-VI .pw-solution .pw-asset { content: url('../images/pathway-VI-solution-mobile.png'); }

  /* Pathway VII — Clinical */
  #pathway-VII .pw-problem .pw-asset { content: url('../images/pathway-VII-problem-mobile.png'); }
  #pathway-VII .pw-solution .pw-asset { content: url('../images/pathway-VII-solution-mobile.png'); }

  /* Pathway VIII — Space */
  #pathway-VIII .pw-problem .pw-asset { content: url('../images/pathway-VIII-problem-mobile.png'); }
  #pathway-VIII .pw-solution .pw-asset { content: url('../images/pathway-VIII-solution-mobile.png'); }

}