/* The Climatology — homepage-specific styles (renoir-style) */

/* ---- Hero ---- */
.hero {
  position: relative; min-height: 100vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
  padding: 6rem 1.5rem 4rem; z-index: 1;
  background: #0a0a0a url('../images/hero.jpg') center / cover no-repeat;
}
.hero-overlay {
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(to bottom, rgba(10,10,10,0.55) 0%, rgba(10,10,10,0.45) 45%, rgba(10,10,10,0.9) 100%);
}
.hero-inner { max-width: 46rem; }
.hero-title {
  font-size: clamp(40px, 7vw, 76px); line-height: 1.0; color: #fff;
  margin: 0.5rem 0 1.5rem; letter-spacing: 0.5px; text-shadow: 0 4px 40px rgba(0,0,0,0.5);
}
.hero-sub {
  font-size: clamp(15px, 2vw, 19px); color: rgba(255,255,255,0.7);
  max-width: 34rem; margin: 0 auto 2.5rem; line-height: 1.7;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.9rem; justify-content: center; }
.scroll-hint {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  font-size: 1.6rem; color: rgba(255,255,255,0.4); animation: bob 2s ease-in-out infinite;
}
@keyframes bob { 0%,100% { transform: translate(-50%,0); } 50% { transform: translate(-50%,8px); } }

/* ---- Models grid ---- */
.model-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
.model-card {
  position: relative; overflow: hidden;
  padding: 2.25rem; transition: transform 0.3s ease, border-color 0.3s ease;
  display: block; background-size: cover; background-position: center;
}
.model-card:hover { transform: translateY(-6px); border-color: rgba(201,169,98,0.55); }
.model-label { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: rgba(255,255,255,0.55); display: block; margin-bottom: 0.9rem; }
.model-name { font-size: 1.5rem; color: #fff; margin-bottom: 0.75rem; }
.model-desc { color: rgba(255,255,255,0.72); font-size: 0.98rem; line-height: 1.65; margin-bottom: 1.5rem; }
.model-go { font-size: 0.95rem; font-weight: 600; }

/* ---- Steps ---- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.step { padding: 2.25rem; text-align: center; }
.step-num { font-size: 2.5rem; color: rgba(255,255,255,0.12); font-weight: 700; margin-bottom: 0.5rem; }
.step-title { font-size: 1.5rem; color: #fff; margin-bottom: 0.75rem; }
.step-text { color: rgba(255,255,255,0.5); font-size: 0.96rem; line-height: 1.65; }

/* ---- Renoir cross-link band ---- */
.renoir-band {
  max-width: 64rem; margin: 0 auto; padding: 3rem 3rem;
  display: flex; align-items: center; justify-content: space-between; gap: 2rem;
}
.renoir-band .btn { flex-shrink: 0; }

/* ---- Responsive ---- */
@media (max-width: 820px) {
  .model-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .renoir-band { flex-direction: column; text-align: center; align-items: center; padding: 2.5rem 1.75rem; }
  .renoir-band .renoir-left p { margin-left: auto; margin-right: auto; }
}