/* ============================================
   AMERICA NEEDS YOU — CASE STUDY
   Light theme, clean, professional
   ============================================ */

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

:root {
  --any-green: #2d6a4f;
  --any-green-dim: #1b4332;
  --any-bg: #faf9f7;
  --any-surface: #ffffff;
  --any-text: #1a1a1a;
  --any-text-muted: #6b6560;
  --any-border: rgba(0, 0, 0, 0.08);
  --any-accent: #FFFC00;

  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-head: 'Space Grotesk', 'Inter', sans-serif;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --max-w: 900px;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--any-bg);
  color: var(--any-text);
  font-family: var(--font-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--any-text); }

/* ---------- NAV (minimal, back-link style) ---------- */
.cs-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 249, 247, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--any-border);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cs-nav__back {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--any-text-muted);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.3s ease;
}
.cs-nav__back:hover { color: var(--any-text); }

.cs-nav__logo {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--any-text);
  text-decoration: none;
}

/* ---------- HERO ---------- */
.ramp-hero {
  padding: 8rem 2rem 4rem;
  text-align: center;
  max-width: var(--max-w);
  margin: 0 auto;
}

.ramp-hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--any-text-muted);
  margin-bottom: 1.5rem;
}

.ramp-hero__tag img {
  height: 20px;
  width: auto;
}

.ramp-hero__title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.ramp-hero__subtitle {
  font-size: clamp(1.05rem, 2vw, 1.15rem);
  color: var(--any-text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ---------- SECTIONS ---------- */
.ramp-section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 3rem 2rem;
}

.ramp-section--wide {
  max-width: 1100px;
}

.ramp-section__label {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--any-text-muted);
  margin-bottom: 1rem;
}

.ramp-section__title {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.ramp-section__text {
  color: var(--any-text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 1rem;
}

.ramp-section__text:last-child {
  margin-bottom: 0;
}

/* ---------- DIVIDER ---------- */
.ramp-divider {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}

.ramp-divider hr {
  border: none;
  border-top: 1px solid var(--any-border);
}

/* ---------- CHALLENGE CARDS ---------- */
.challenge-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}

.challenge-card {
  background: var(--any-surface);
  border: 1px solid var(--any-border);
  border-radius: 12px;
  padding: 1.75rem 1.5rem;
}

.challenge-card__num {
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--any-text-muted);
  opacity: 0.5;
  margin-bottom: 0.75rem;
}

.challenge-card__title {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.challenge-card__desc {
  font-size: 0.88rem;
  color: var(--any-text-muted);
  line-height: 1.65;
}

/* ---------- APPROACH ---------- */
.approach-step {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 3rem;
}

.approach-step:nth-child(even) {
  direction: rtl;
}
.approach-step:nth-child(even) > * {
  direction: ltr;
}

.approach-step__content {}

.approach-step__num {
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--any-text-muted);
  opacity: 0.5;
  margin-bottom: 0.5rem;
}

.approach-step__title {
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
  line-height: 1.25;
}

.approach-step__text {
  font-size: 0.92rem;
  color: var(--any-text-muted);
  line-height: 1.75;
}

.approach-step__visual {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--any-border);
}

.approach-step__visual img {
  width: 100%;
  height: auto;
  display: block;
}

.approach-step__image-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  border-radius: 12px;
  overflow: hidden;
}

.approach-step__image-row img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--any-border);
}

/* ---------- RESULTS / DATA VIZ ---------- */
.results-highlight {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin: 2rem 0;
}

.results-stat {
  background: var(--any-surface);
  border: 1px solid var(--any-border);
  border-radius: 12px;
  padding: 2rem 1.5rem;
  text-align: center;
}

.results-stat__number {
  font-family: var(--font-head);
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.results-stat__number--accent { color: var(--any-text); }

.results-stat__label {
  font-size: 0.82rem;
  color: var(--any-text-muted);
  line-height: 1.5;
}

/* Bar chart */
.confidence-chart {
  margin: 2.5rem 0;
}

.confidence-chart__title {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.confidence-chart__subtitle {
  font-size: 0.82rem;
  color: var(--any-text-muted);
  margin-bottom: 1.5rem;
}

.chart-row {
  display: grid;
  grid-template-columns: 130px 1fr 1fr;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.6rem;
}

.chart-row__label {
  font-size: 0.78rem;
  color: var(--any-text-muted);
  text-align: right;
  white-space: nowrap;
}

.chart-bar-wrap {
  height: 28px;
  background: rgba(0,0,0,0.03);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}

.chart-bar {
  height: 100%;
  border-radius: 6px;
  display: flex;
  align-items: center;
  padding-left: 8px;
  font-size: 0.72rem;
  font-weight: 600;
  color: white;
  transition: width 1s var(--ease-out);
}

.chart-bar--before {
  background: #c4c0b8;
}

.chart-bar--after {
  background: var(--any-text);
}

.chart-legend {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1rem;
  font-size: 0.78rem;
  color: var(--any-text-muted);
}

.chart-legend__item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.chart-legend__dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
}

.chart-legend__dot--before { background: #c4c0b8; }
.chart-legend__dot--after { background: var(--any-text); }

/* ---------- TESTIMONIALS ---------- */
.ramp-quotes {
  margin-top: 2rem;
}

.ramp-quote {
  background: var(--any-surface);
  border: 1px solid var(--any-border);
  border-radius: 12px;
  padding: 1.5rem 1.75rem;
  margin-bottom: 1rem;
  font-size: 0.92rem;
  color: var(--any-text);
  line-height: 1.7;
  font-style: italic;
}

.ramp-quote__source {
  font-style: normal;
  font-size: 0.78rem;
  color: var(--any-text-muted);
  margin-top: 0.5rem;
}

/* ---------- COLLAB ---------- */
.collab {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--any-surface);
  border: 1px solid var(--any-border);
  border-radius: 12px;
  padding: 1.5rem 1.75rem;
  margin-top: 1.5rem;
}

.collab__icon {
  width: 48px;
  height: 48px;
  background: var(--any-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.25rem;
}

.collab__text {
  font-size: 0.9rem;
  color: var(--any-text-muted);
  line-height: 1.6;
}

.collab__text a {
  color: var(--any-text);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- COURSE SCOPE ---------- */
.scope-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.scope-card {
  background: var(--any-surface);
  border: 1px solid var(--any-border);
  border-radius: 12px;
  padding: 1.5rem;
}

.scope-card__title {
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.scope-card__list {
  list-style: none;
  padding: 0;
}

.scope-card__list li {
  font-size: 0.85rem;
  color: var(--any-text-muted);
  line-height: 1.6;
  padding: 0.2rem 0;
  padding-left: 1rem;
  position: relative;
}

.scope-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--any-border);
}

/* ---------- CTA ---------- */
.ramp-cta {
  text-align: center;
  padding: 4rem 2rem 2rem;
  max-width: var(--max-w);
  margin: 0 auto;
}

.ramp-cta__text {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.ramp-cta__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--any-text);
  text-decoration: none;
  border-bottom: 2px solid var(--any-text);
  padding-bottom: 2px;
  transition: gap 0.3s var(--ease-out);
}

.ramp-cta__link:hover { gap: 0.8rem; }

/* ---------- FOOTER ---------- */
.ramp-footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.78rem;
  color: var(--any-text-muted);
  border-top: 1px solid var(--any-border);
  max-width: var(--max-w);
  margin: 2rem auto 0;
}

.ramp-footer a {
  color: var(--any-text-muted);
  text-decoration: none;
  transition: color 0.3s ease;
}

.ramp-footer a:hover { color: var(--any-text); }

.ramp-footer__links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  list-style: none;
  margin-bottom: 1rem;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 768px) {
  .ramp-hero { padding: 7rem 1.5rem 3rem; }

  .challenge-grid {
    grid-template-columns: 1fr;
  }

  .approach-step {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .approach-step:nth-child(even) {
    direction: ltr;
  }

  .results-highlight {
    grid-template-columns: 1fr;
  }

  .chart-row {
    grid-template-columns: 100px 1fr 1fr;
  }

  .scope-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 500px) {
  .chart-row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
    margin-bottom: 1.25rem;
  }

  .chart-row__label {
    text-align: left;
  }

  .chart-row .chart-bar-wrap {
    grid-column: 1 / -1;
  }

  .approach-step__image-row {
    grid-template-columns: 1fr;
  }

  .approach-step__image-row img {
    height: 180px;
  }
}