/* Homework Mountain — site styles */

:root {
  --forest: #1f4d3f;
  --forest-light: #2c6b57;
  --amber: #e08a2c;
  --amber-dark: #c26f18;
  --white: #ffffff;
  --off-white: #f6f7f4;
  --gray-100: #eceee9;
  --gray-300: #c9cec6;
  --gray-500: #6f7568;
  --text: #26302a;
  --radius: 10px;
  --shadow: 0 8px 24px rgba(31, 77, 63, 0.10);
  --shadow-lg: 0 18px 44px rgba(31, 77, 63, 0.16);
  --max-width: 1180px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px; border-radius: 999px; font-weight: 600; font-size: 0.95rem;
  border: 2px solid transparent; cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn-primary { background: var(--amber); color: var(--white); box-shadow: 0 8px 20px rgba(224,138,44,.35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(224,138,44,.45); }
.btn-outline { background: transparent; border-color: var(--white); color: var(--white); }
.btn-outline:hover { background: rgba(255,255,255,.12); transform: translateY(-2px); }
.btn-forest { background: var(--forest); color: var(--white); }
.btn-forest:hover { background: var(--forest-light); transform: translateY(-2px); }
.btn-sm { padding: 9px 18px; font-size: .85rem; }

/* Topbar */
.topbar { background: var(--forest); color: var(--gray-300); font-size: .8rem; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; padding: 8px 24px; flex-wrap: wrap; gap: 8px; }
.topbar a { color: var(--gray-300); }
.topbar a:hover { color: var(--amber); }

/* Header */
header.site-header { background: var(--white); position: sticky; top: 0; z-index: 50; box-shadow: 0 2px 10px rgba(31,77,63,.06); }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.3rem; color: var(--forest); white-space: nowrap; }
.brand .mark { font-size: 1.5rem; }
nav.main-nav ul { display: flex; gap: 26px; align-items: center; flex-wrap: wrap; }
nav.main-nav a { font-weight: 600; font-size: .93rem; color: var(--text); padding: 6px 2px; border-bottom: 2px solid transparent; }
nav.main-nav a:hover, nav.main-nav a.active { color: var(--forest); border-bottom-color: var(--amber); }
.nav-cta { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }

/* Hero */
.hero { position: relative; background: linear-gradient(160deg, var(--forest) 0%, #204736 55%, #163527 100%); color: var(--white); overflow: hidden; }
.hero .container { padding: 80px 24px 90px; }
.hero-eyebrow { display: inline-block; background: rgba(224,138,44,.16); color: var(--amber); font-weight: 700; font-size: .75rem; letter-spacing: .06em; text-transform: uppercase; padding: 7px 14px; border-radius: 999px; margin-bottom: 20px; }
.hero h1 { font-size: 2.6rem; line-height: 1.2; margin-bottom: 18px; font-weight: 800; max-width: 760px; }
.hero h1 .accent { color: var(--amber); }
.hero p.lead { font-size: 1.1rem; color: var(--gray-300); max-width: 560px; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 34px; }
.hero-trust { display: flex; gap: 26px; flex-wrap: wrap; }
.hero-trust .stat strong { display: block; font-size: 1.4rem; color: var(--white); }
.hero-trust .stat span { font-size: .8rem; color: var(--gray-300); }

/* Search box */
.course-search { max-width: 620px; margin-top: 10px; }
.course-search form { display: flex; gap: 10px; background: var(--white); padding: 8px; border-radius: 12px; box-shadow: var(--shadow-lg); }
.course-search input { flex: 1; border: none; outline: none; padding: 12px 14px; font-size: 1rem; font-family: var(--font); border-radius: 8px; }
.course-search button { border: none; }

/* Sections */
section { padding: 80px 0; }
.section-off { background: var(--off-white); }
.section-forest { background: var(--forest); color: var(--white); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 50px; }
.section-eyebrow { color: var(--amber-dark); font-weight: 700; letter-spacing: .06em; text-transform: uppercase; font-size: .75rem; margin-bottom: 12px; display: block; }
.section-forest .section-eyebrow { color: var(--amber); }
.section-head h2 { font-size: 2rem; margin-bottom: 12px; color: var(--forest); }
.section-forest .section-head h2 { color: var(--white); }
.section-head p { color: var(--gray-500); font-size: 1.02rem; }
.section-forest .section-head p { color: var(--gray-300); }

/* Grids/cards */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.card { background: var(--white); border: 1px solid var(--gray-100); border-radius: var(--radius); padding: 30px 24px; box-shadow: var(--shadow); transition: transform .18s ease, box-shadow .18s ease; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card .icon-badge { width: 50px; height: 50px; border-radius: 14px; background: rgba(224,138,44,.14); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; font-size: 1.3rem; }
.card h3 { font-size: 1.1rem; margin-bottom: 10px; color: var(--forest); }
.card p { color: var(--gray-500); font-size: .95rem; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.step .num { width: 42px; height: 42px; border-radius: 50%; background: var(--forest); color: var(--amber); display: flex; align-items: center; justify-content: center; font-weight: 800; margin-bottom: 14px; }
.step h3 { font-size: 1rem; margin-bottom: 8px; color: var(--forest); }
.step p { color: var(--gray-500); font-size: .9rem; }

/* Course directory */
.dept-jump { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 40px; }
.dept-jump a { background: var(--off-white); border: 1px solid var(--gray-100); padding: 6px 13px; border-radius: 999px; font-size: .82rem; font-weight: 700; color: var(--forest); }
.dept-jump a:hover { background: var(--amber); color: var(--white); border-color: var(--amber); }
.dept-group { margin-bottom: 34px; }
.dept-group h3 { font-size: 1.1rem; color: var(--forest); margin-bottom: 14px; border-bottom: 2px solid var(--gray-100); padding-bottom: 8px; }
.course-chip-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
.course-chip { background: var(--off-white); border: 1px solid var(--gray-100); border-radius: 8px; padding: 10px 12px; font-size: .86rem; font-weight: 600; color: var(--text); }
.course-chip:hover { border-color: var(--amber); color: var(--forest); }

/* Collection/course page */
.course-hero { background: var(--off-white); padding: 48px 0; border-bottom: 1px solid var(--gray-100); }
.course-hero .breadcrumbs { font-size: .82rem; color: var(--gray-500); margin-bottom: 12px; }
.course-hero .breadcrumbs a { color: var(--forest); font-weight: 600; text-decoration: none; }
.course-hero .breadcrumbs a:hover { color: var(--amber-dark); }
.course-hero h1 { font-size: 2rem; line-height: 1.25; font-weight: 800; color: var(--forest); margin-bottom: 12px; letter-spacing: -0.01em; }
.course-hero p { color: var(--gray-500); font-size: 1.04rem; line-height: 1.7; max-width: 720px; }
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 22px; padding: 50px 0; }
.product-card { background: var(--white); border: 1px solid var(--gray-100); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: transform .18s ease, box-shadow .18s ease; display: flex; flex-direction: column; }
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.product-card .thumb { aspect-ratio: 4/3; background: var(--off-white); display: flex; align-items: center; justify-content: center; overflow: hidden; position: relative; }
.product-card .thumb::before { content: "\1F4D8"; font-size: 1.8rem; opacity: .35; position: absolute; }
.product-card .thumb img { width: 100%; height: 100%; object-fit: cover; position: relative; z-index: 1; }
.thumb-lg { position: relative; }
.thumb-lg::before { content: "\1F4D8"; font-size: 2.4rem; opacity: .35; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); }
.thumb-lg img { position: relative; z-index: 1; min-height: 220px; object-fit: cover; width: 100%; }
.product-card .body { padding: 16px 18px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.product-card h3 { font-size: .96rem; color: var(--text); font-weight: 700; line-height: 1.4; }
.product-card .price { color: var(--amber-dark); font-weight: 800; font-size: 1.05rem; margin-top: auto; letter-spacing: -0.01em; }
.empty-state { text-align: center; padding: 64px 20px; color: var(--gray-500); font-size: 1.02rem; line-height: 1.6; }
.empty-state .btn { margin-top: 18px; }

/* Product detail page */
.product-detail { padding: 64px 0 90px; }
.product-detail .grid-2 { align-items: start; }
.product-detail .thumb-lg { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); background: var(--off-white); }
.product-detail .breadcrumbs { font-size: .82rem; color: var(--gray-500); }
.product-detail .breadcrumbs a { color: var(--forest); font-weight: 600; text-decoration: none; }
.product-detail .breadcrumbs a:hover { color: var(--amber-dark); }
.product-detail h1 { font-size: 1.8rem; line-height: 1.3; font-weight: 800; color: var(--forest); margin-bottom: 16px; letter-spacing: -0.01em; }
.product-detail .price-lg { font-size: 1.9rem; font-weight: 800; color: var(--amber-dark); margin-bottom: 20px; letter-spacing: -0.01em; }
.product-detail .desc { color: var(--text); font-size: 1.05rem; margin-bottom: 28px; line-height: 1.75; }
.product-detail .meta-box { background: var(--off-white); border: 1px solid var(--gray-100); border-radius: var(--radius); padding: 22px; margin-bottom: 28px; font-size: .92rem; color: var(--gray-500); line-height: 1.6; }
.product-detail .meta-box strong { color: var(--forest); }

/* FAQ */
.faq-item { border-bottom: 1px solid var(--gray-100); padding: 20px 0; }
.faq-item summary { cursor: pointer; font-weight: 700; color: var(--forest); font-size: 1rem; display: flex; justify-content: space-between; align-items: center; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.3rem; color: var(--amber-dark); transition: transform .2s ease; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { margin-top: 12px; color: var(--gray-500); font-size: .94rem; }

/* CTA band */
.cta-band { background: linear-gradient(120deg, var(--forest), #204736); color: var(--white); border-radius: 20px; padding: 52px; text-align: center; margin: 0 24px; }
.cta-band h2 { font-size: 1.8rem; margin-bottom: 12px; }
.cta-band p { color: var(--gray-300); margin-bottom: 26px; }

/* Forms */
.form-card { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: 32px; border: 1px solid var(--gray-100); }
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-weight: 600; font-size: .86rem; margin-bottom: 6px; color: var(--forest); }
.form-row input, .form-row select, .form-row textarea {
  width: 100%; padding: 11px 13px; border: 1px solid var(--gray-300); border-radius: 8px;
  font-family: var(--font); font-size: .95rem; background: var(--off-white);
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { outline: none; border-color: var(--amber-dark); background: var(--white); }
.form-two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-note { font-size: .8rem; color: var(--gray-500); margin-top: 10px; }

/* Plain content pages */
.prose { padding: 60px 0 80px; max-width: 740px; margin: 0 auto; }
.prose h1 {
  font-size: 2.1rem; line-height: 1.25; color: var(--forest); font-weight: 800;
  margin-bottom: 10px; letter-spacing: -0.01em;
}
.prose > p:first-of-type {
  font-size: 1.12rem; line-height: 1.75; color: var(--forest-light); font-weight: 500;
}
.prose h2 {
  font-size: 1.4rem; line-height: 1.3; color: var(--forest); font-weight: 700;
  margin: 44px 0 14px; letter-spacing: -0.005em;
}
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 1.15rem; color: var(--forest); font-weight: 700; margin: 30px 0 10px; }
.prose h4 { font-size: 1.02rem; color: var(--forest); font-weight: 700; margin: 24px 0 8px; }
.prose p, .prose li { color: var(--text); margin-bottom: 18px; font-size: 1.04rem; line-height: 1.8; }
.prose ul, .prose ol { padding-left: 24px; margin-bottom: 18px; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin-bottom: 8px; }
.prose li > p { margin-bottom: 0; }
.prose strong, .prose b { color: var(--forest); font-weight: 700; }
.prose em, .prose i { font-style: italic; }
.prose a {
  color: var(--forest); font-weight: 600; text-decoration: underline;
  text-decoration-color: var(--gray-300); text-underline-offset: 2px;
  transition: text-decoration-color .15s ease, color .15s ease;
}
.prose a:hover { color: var(--amber-dark); text-decoration-color: var(--amber-dark); }
.prose blockquote {
  margin: 24px 0; padding: 4px 0 4px 20px; border-left: 3px solid var(--amber);
  color: var(--gray-500); font-size: 1.05rem; font-style: italic;
}
.prose hr { border: none; border-top: 1px solid var(--gray-100); margin: 40px 0; }
.prose img { border-radius: var(--radius); margin: 24px 0; box-shadow: var(--shadow); }
.prose table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: .95rem; }
.prose th, .prose td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--gray-100); }
.prose th { color: var(--forest); font-weight: 700; background: var(--off-white); }
.prose code {
  background: var(--off-white); border: 1px solid var(--gray-100); border-radius: 5px;
  padding: 2px 6px; font-size: .9em; font-family: ui-monospace, Menlo, Consolas, monospace;
}
.prose .breadcrumbs { font-size: .82rem; color: var(--gray-500); margin-bottom: 16px; }
.prose .breadcrumbs a { color: var(--forest); font-weight: 600; text-decoration: none; }
.prose .breadcrumbs a:hover { color: var(--amber-dark); }

/* Footer */
footer.site-footer { background: #12261f; color: var(--gray-300); padding: 58px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 36px; margin-bottom: 40px; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--white); font-size: 1.15rem; margin-bottom: 12px; }
.footer-grid p { font-size: .88rem; line-height: 1.7; }
.footer-grid h4 { color: var(--white); font-size: .88rem; margin-bottom: 14px; text-transform: uppercase; letter-spacing: .05em; }
.footer-grid ul li { margin-bottom: 9px; font-size: .88rem; }
.footer-grid ul li a:hover { color: var(--amber); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding-top: 20px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: .8rem; }
.footer-bottom a:hover { color: var(--amber); }

/* Utilities */
.text-center { text-align: center; }
.mt-40 { margin-top: 40px; }
.badge-row { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; margin-top: 28px; }
.badge-pill { display: flex; align-items: center; gap: 8px; background: var(--white); border: 1px solid var(--gray-100); padding: 9px 16px; border-radius: 999px; font-size: .82rem; font-weight: 600; color: var(--forest); box-shadow: var(--shadow); }
.nav-toggle { display: none; }

/* Responsive */
@media (max-width: 980px) {
  nav.main-nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .hero h1 { font-size: 2rem; }
  .grid-3, .grid-4, .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-two { grid-template-columns: 1fr; }
  .cta-band { padding: 32px 22px; }
  section { padding: 54px 0; }
  .prose { padding: 40px 0 56px; }
  .prose h1 { font-size: 1.6rem; }
  .prose > p:first-of-type { font-size: 1.04rem; }
  .prose h2 { font-size: 1.2rem; margin: 32px 0 12px; }
  .prose p, .prose li { font-size: 1rem; }
  .course-hero h1, .product-detail h1 { font-size: 1.5rem; }
  .product-detail .price-lg { font-size: 1.5rem; }
}