/* ============================================================
   Level UP Tech — shared design system
   Palette drawn from brand materials: deep navy + blue gradient
   cover, red "UP" accent, cream infographic backgrounds.
   ============================================================ */

:root {
  --navy: #00264d;
  --navy-soft: #003366;
  --blue: #0066cc;
  --blue-light: #99ccff;
  --blue-pale: #eaf3ff;
  --red: #c0392b;
  --red-dark: #9a2e21;
  --cream: #fbf1de;
  --cream-line: #eaddc0;
  --ink: #22292f;
  --ink-soft: #4a5560;
  --white: #ffffff;
  --shadow: 0 10px 30px rgba(0, 38, 77, 0.10);
  --shadow-sm: 0 4px 14px rgba(0, 38, 77, 0.08);
  --radius: 14px;
  --max: 1120px;
  --serif-line: 1.75;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: var(--serif-line);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 28px; }

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 14px;
}

h1, h2, h3, h4 { color: var(--navy-soft); font-weight: 700; line-height: 1.25; }
h1 { font-size: clamp(2rem, 4vw, 2.9rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin-bottom: 18px; }
h3 { font-size: 1.3rem; margin-bottom: 10px; }
p { margin-bottom: 16px; color: var(--ink-soft); max-width: 74ch; }
.lede { font-size: 1.18rem; color: var(--ink); }

.up { color: var(--red); }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--cream-line);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 74px;
}
.logo { font-size: 1.4rem; font-weight: 800; color: var(--navy-soft); letter-spacing: 0.02em; }
.logo .up { color: var(--red); }
.nav-toggle {
  display: none; background: none; border: 0; font-size: 1.6rem; color: var(--navy-soft); cursor: pointer;
}
.main-nav { display: flex; align-items: center; gap: 26px; }
.main-nav a {
  font-size: 0.92rem; font-weight: 600; color: var(--navy-soft);
  padding: 6px 2px; border-bottom: 2px solid transparent;
}
.main-nav a:hover, .main-nav a.active { border-color: var(--red); color: var(--red); }
.main-nav .cta {
  background: var(--red); color: var(--white); padding: 10px 18px; border-radius: 999px;
  font-weight: 700;
}
.main-nav .cta:hover { background: var(--red-dark); border-color: transparent; color: var(--white); }
.has-dropdown { position: relative; }
.dropdown-menu {
  display: none; position: absolute; top: 100%; left: 0; padding-top: 12px;
}
.has-dropdown:hover .dropdown-menu, .has-dropdown:focus-within .dropdown-menu { display: block; }
.dropdown-menu ul {
  list-style: none; background: var(--white); border: 1px solid var(--cream-line);
  border-radius: 10px; box-shadow: var(--shadow); min-width: 240px; padding: 8px;
}
.dropdown-menu li a { display: block; padding: 10px 12px; border-radius: 6px; border: 0; }
.dropdown-menu li a:hover { background: var(--blue-pale); color: var(--blue); }

@media (max-width: 880px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: absolute; top: 74px; left: 0; right: 0; background: var(--white);
    flex-direction: column; align-items: stretch; gap: 0; padding: 10px 20px 20px;
    border-bottom: 1px solid var(--cream-line); box-shadow: var(--shadow);
    display: none;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 0; border-bottom: 1px solid var(--cream-line); }
  .dropdown-menu { display: block; position: static; padding-top: 0; }
  .dropdown-menu ul { box-shadow: none; border: 0; padding-left: 12px; }
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  color: var(--white);
  padding: 86px 0 76px;
}
.hero h1 { color: var(--white); }
.hero .eyebrow { color: var(--blue-light); }
.hero p { color: #d8e8ff; }
.hero.small { padding: 56px 0 50px; }

.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center; }
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; } }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--red); color: var(--white); font-weight: 700;
  padding: 13px 26px; border-radius: 999px; border: 2px solid var(--red);
}
.btn:hover { background: var(--red-dark); border-color: var(--red-dark); }
.btn.ghost { background: transparent; border-color: rgba(255,255,255,0.55); }
.btn.ghost:hover { background: rgba(255,255,255,0.12); }
.btn.on-light { border-color: var(--navy-soft); background: var(--navy-soft); }
.btn.on-light:hover { background: var(--navy); }

/* ---------- Sections ---------- */
section.block { padding: 70px 0; }
section.block.cream { background: var(--cream); }
section.block.pale { background: var(--blue-pale); }
section.block.navy { background: var(--navy-soft); color: var(--white); }
section.block.navy h2, section.block.navy h3 { color: var(--white); }
section.block.navy p { color: #cfe1f7; }

.section-head { max-width: 760px; margin-bottom: 40px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.grid { display: grid; gap: 26px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid.cols-3, .grid.cols-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--white); border: 1px solid var(--cream-line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow-sm);
}
.card h3 { margin-bottom: 8px; }
.card .tag {
  display: inline-block; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--blue); background: var(--blue-pale);
  padding: 4px 10px; border-radius: 999px; margin-bottom: 12px;
}

.stat-row { display: flex; flex-wrap: wrap; gap: 34px; margin: 30px 0; }
.stat { min-width: 150px; }
.stat .num { font-size: 2.2rem; font-weight: 800; color: var(--red); display: block; }
.stat .label { font-size: 0.9rem; color: var(--ink-soft); }

blockquote {
  border-left: 4px solid var(--red); padding: 6px 0 6px 22px; margin: 26px 0;
  font-style: italic; color: var(--navy-soft); font-size: 1.15rem;
}
blockquote cite { display: block; font-style: normal; font-size: 0.85rem; color: var(--ink-soft); margin-top: 8px; }

/* ---------- Accordion ---------- */
.accordion-list { border-top: 1px solid var(--cream-line); }
.accordion-item { border-bottom: 1px solid var(--cream-line); }
.accordion-trigger {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  background: none; border: 0; text-align: left; cursor: pointer;
  padding: 22px 4px; font: inherit;
}
.accordion-trigger h3, .accordion-trigger h4 { margin: 0; color: var(--navy-soft); }
.accordion-trigger .sub { display: block; font-weight: 400; font-size: 0.92rem; color: var(--ink-soft); margin-top: 4px; }
.accordion-icon {
  flex: none; width: 34px; height: 34px; border-radius: 50%; border: 2px solid var(--red);
  color: var(--red); font-size: 1.3rem; display: flex; align-items: center; justify-content: center;
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease;
}
.accordion-trigger[aria-expanded="true"] .accordion-icon {
  transform: rotate(45deg); background: var(--red); color: var(--white);
}
.accordion-panel {
  max-height: 0; overflow: hidden; transition: max-height 0.35s ease;
}
.accordion-panel-inner { padding: 0 4px 26px; }
.accordion-panel-inner p:last-child { margin-bottom: 0; }

/* preview + expand pattern (poverty story) */
.reveal-panel { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.reveal-trigger {
  display: inline-flex; align-items: center; gap: 8px; background: none; border: 0; cursor: pointer;
  color: var(--red); font-weight: 700; padding: 6px 0; font: inherit;
}
.reveal-trigger .accordion-icon { width: 28px; height: 28px; font-size: 1.1rem; }
.reveal-trigger[aria-expanded="true"] .accordion-icon { transform: rotate(45deg); background: var(--red); color: var(--white); }

/* ---------- Team ---------- */
.team-card { text-align: left; }
.team-card .role { color: var(--blue); font-weight: 700; font-size: 0.9rem; margin-bottom: 10px; display: block; }

/* ---------- Image frames ---------- */
.figure { text-align: center; margin: 34px 0; }
.figure img { margin: 0 auto; border-radius: 12px; }
.figure.diagram img { max-width: 600px; width: 100%; }
.figure figcaption { margin-top: 12px; font-size: 0.88rem; color: var(--ink-soft); }
.cutout-frame {
  display: inline-block; padding: 18px; border-radius: 18px;
}
.cutout-frame.on-cream { background: var(--cream); }
.cutout-frame.on-pale { background: var(--blue-pale); }

/* ---------- Poverty Story index ---------- */
.story-index-item {
  display: grid; grid-template-columns: 90px 1fr auto; align-items: center; gap: 18px;
  padding: 20px 4px; border-bottom: 1px solid var(--cream-line);
}
.story-index-item .part-num { font-weight: 800; color: var(--blue); font-size: 1.05rem; }
.story-index-item h3 { margin: 0 0 4px; font-size: 1.05rem; }
.story-index-item p { margin: 0; font-size: 0.92rem; }
.story-index-item .go { color: var(--red); font-weight: 700; white-space: nowrap; }
@media (max-width: 640px) {
  .story-index-item { grid-template-columns: 1fr; }
  .story-index-item .go { justify-self: start; }
}

.story-nav { display: flex; justify-content: space-between; gap: 16px; margin-top: 50px; flex-wrap: wrap; }
.story-nav a { font-weight: 700; color: var(--blue); }
.story-nav a:hover { color: var(--red); }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: #cfe1f7; padding: 56px 0 30px; }
.site-footer h4 { color: var(--white); font-size: 1rem; margin-bottom: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 30px; margin-bottom: 40px; }
.footer-grid a { display: block; padding: 5px 0; color: #b9cde8; font-size: 0.92rem; }
.footer-grid a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12); padding-top: 22px;
  font-size: 0.82rem; color: #93a9c4; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
}
@media (max-width: 780px) { .footer-grid { grid-template-columns: 1fr 1fr; } }

/* ---------- Misc ---------- */
.disclaimer {
  font-size: 0.85rem; color: var(--ink-soft); background: var(--cream);
  border: 1px solid var(--cream-line); border-radius: 10px; padding: 16px 20px; margin-top: 20px;
}
.back-link { display: inline-block; margin-bottom: 24px; font-weight: 700; color: var(--blue); }
.back-link:hover { color: var(--red); }
ul.plain { list-style: none; }
ul.plain li { padding-left: 26px; position: relative; margin-bottom: 10px; color: var(--ink-soft); }
ul.plain li::before { content: "✓"; position: absolute; left: 0; color: var(--red); font-weight: 800; }