/* ============================================
   REDDY SIMULATIONS — CASE STUDY
   Light theme, Reddy purple accent
   ============================================ */

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

:root {
  --reddy-purple: #6b3a5d;
  --reddy-purple-light: #f5eef3;
  --reddy-bg: #faf9f7;
  --reddy-surface: #ffffff;
  --reddy-text: #1a1a1a;
  --reddy-text-muted: #6b6560;
  --reddy-border: rgba(0, 0, 0, 0.08);
  --reddy-accent: #6b3a5d;

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

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

/* ---------- NAV ---------- */
.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(--reddy-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(--reddy-text-muted); text-decoration: none;
  display: flex; align-items: center; gap: 0.5rem;
  transition: color 0.3s ease;
}
.cs-nav__back:hover { color: var(--reddy-text); }
.cs-nav__logo {
  font-family: var(--font-head); font-size: 0.95rem; font-weight: 700;
  color: var(--reddy-text); text-decoration: none;
}

/* ---------- HERO ---------- */
.reddy-hero {
  padding: 8rem 2rem 4rem;
  text-align: center;
  max-width: var(--max-w);
  margin: 0 auto;
}
.reddy-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(--reddy-text-muted); margin-bottom: 1.5rem;
}
.reddy-hero__tag img { height: 20px; width: auto; }
.reddy-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;
}
.reddy-hero__subtitle {
  font-size: clamp(1.05rem, 2vw, 1.15rem);
  color: var(--reddy-text-muted); max-width: 620px;
  margin: 0 auto; line-height: 1.7;
}

/* ---------- SECTIONS ---------- */
.reddy-section {
  max-width: var(--max-w); margin: 0 auto; padding: 3rem 2rem;
}
.reddy-section__label {
  font-family: var(--font-head); font-size: 0.75rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--reddy-text-muted); margin-bottom: 1rem;
}
.reddy-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;
}
.reddy-section__text {
  color: var(--reddy-text-muted); font-size: 0.95rem; line-height: 1.8; margin-bottom: 1rem;
}
.reddy-section__text:last-child { margin-bottom: 0; }

.reddy-divider { max-width: var(--max-w); margin: 0 auto; padding: 0 2rem; }
.reddy-divider hr { border: none; border-top: 1px solid var(--reddy-border); }

/* ---------- ROLE CARDS ---------- */
.role-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; margin-top: 2rem;
}
.role-card {
  background: var(--reddy-surface); border: 1px solid var(--reddy-border);
  border-radius: 12px; padding: 1.75rem 1.5rem;
}
.role-card__title {
  font-family: var(--font-head); font-size: 1rem; font-weight: 700;
  margin-bottom: 0.5rem; line-height: 1.3;
}
.role-card__desc {
  font-size: 0.88rem; color: var(--reddy-text-muted); line-height: 1.65;
}

/* ---------- PIPELINE STEPS ---------- */
.pipeline-steps { margin-top: 2rem; }

.pipeline-step {
  display: grid; grid-template-columns: 48px 1fr;
  gap: 1.25rem; margin-bottom: 2rem; align-items: start;
}
.pipeline-step__num {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--reddy-purple-light); color: var(--reddy-accent);
  font-family: var(--font-head); font-size: 0.85rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.pipeline-step__content {}
.pipeline-step__title {
  font-family: var(--font-head); font-size: 1.05rem; font-weight: 700;
  margin-bottom: 0.35rem; line-height: 1.3;
}
.pipeline-step__text {
  font-size: 0.9rem; color: var(--reddy-text-muted); line-height: 1.7;
}

/* ---------- CALLOUT ---------- */
.reddy-callout {
  background: var(--reddy-purple-light);
  border-radius: 12px; padding: 2rem 2rem;
  margin-top: 2rem;
}
.reddy-callout__text {
  font-size: 1.05rem; line-height: 1.7; color: var(--reddy-text);
  font-style: italic;
}

/* ---------- STATS ---------- */
.stats-row {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem; margin: 2rem 0;
}
.stat-card {
  background: var(--reddy-surface); border: 1px solid var(--reddy-border);
  border-radius: 12px; padding: 2rem 1.5rem; text-align: center;
}
.stat-card__number {
  font-family: var(--font-head); font-size: 2.5rem; font-weight: 700;
  letter-spacing: -0.03em; line-height: 1; margin-bottom: 0.5rem;
  color: var(--reddy-accent);
}
.stat-card__label {
  font-size: 0.82rem; color: var(--reddy-text-muted); line-height: 1.5;
}

/* ---------- CLIENTS ---------- */
.client-tags {
  display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.5rem;
}
.client-tag {
  background: var(--reddy-surface); border: 1px solid var(--reddy-border);
  border-radius: 100px; padding: 0.5rem 1.1rem;
  font-size: 0.82rem; font-weight: 500; color: var(--reddy-text-muted);
}

/* ---------- CTA ---------- */
.reddy-cta {
  text-align: center; padding: 4rem 2rem 2rem;
  max-width: var(--max-w); margin: 0 auto;
}
.reddy-cta__text {
  font-family: var(--font-head); font-size: 1.1rem; font-weight: 600; margin-bottom: 1rem;
}
.reddy-cta__link {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-weight: 600; font-size: 0.9rem; color: var(--reddy-text);
  text-decoration: none; border-bottom: 2px solid var(--reddy-text);
  padding-bottom: 2px; transition: gap 0.3s var(--ease-out);
}
.reddy-cta__link:hover { gap: 0.8rem; }

/* ---------- FOOTER ---------- */
.reddy-footer {
  text-align: center; padding: 2rem; font-size: 0.78rem;
  color: var(--reddy-text-muted); border-top: 1px solid var(--reddy-border);
  max-width: var(--max-w); margin: 2rem auto 0;
}
.reddy-footer a {
  color: var(--reddy-text-muted); text-decoration: none; transition: color 0.3s ease;
}
.reddy-footer a:hover { color: var(--reddy-text); }
.reddy-footer__links {
  display: flex; gap: 1.5rem; justify-content: center; list-style: none; margin-bottom: 1rem;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 768px) {
  .reddy-hero { padding: 7rem 1.5rem 3rem; }
  .role-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr; }
  .pipeline-step { grid-template-columns: 40px 1fr; gap: 1rem; }
}