/* ============================================================
   PUBLIC SITE — every color/font/radius comes from CSS variables
   injected by includes/theme-loader.php (render_theme_head()).
   Admin changes in the Theme Customizer update this instantly.
   ============================================================ */

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.55;
}
h1, h2, h3, h4 { font-family: var(--font-heading); margin: 0 0 12px; line-height: 1.2; }
p { margin: 0 0 14px; }
a { color: inherit; }
img { max-width: 100%; display: block; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header { border-bottom: 1px solid rgba(0,0,0,0.06); position: sticky; top: 0; background: var(--color-bg); z-index: 10; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; gap: 24px; }
.site-logo { font-family: var(--font-heading); font-weight: 700; font-size: 20px; text-decoration: none; }
.site-nav { display: flex; gap: 26px; font-size: 14.5px; font-weight: 500; }
.site-nav a { text-decoration: none; opacity: 0.85; }
.header-actions { display: flex; align-items: center; gap: 14px; }
.btn-link { text-decoration: none; font-weight: 600; font-size: 14px; }

.btn-solid {
  display: inline-block; padding: 11px 22px; border-radius: var(--radius);
  background: var(--color-primary-surface); color: #fff; text-decoration: none;
  font-weight: 600; font-size: 14px; border: none; cursor: pointer;
}
.btn-lg { padding: 14px 30px; font-size: 15px; }

/* Hero */
.hero { padding: 72px 0; overflow: hidden; }
.hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.hero h1 { font-size: 42px; }
.hero-body { font-size: 17px; opacity: 0.85; max-width: 480px; }
.hero-image { border-radius: var(--radius); }
.eyebrow {
  display: inline-block; font-size: 12.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--color-secondary); margin-bottom: 10px;
}

/* Generic section */
.section { padding: 64px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 40px; }
.about-inner { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: center; }
.about-image { border-radius: var(--radius); }

/* Course grid */
.course-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.course-card {
  border: 1px solid rgba(0,0,0,0.08); border-radius: var(--radius); overflow: hidden;
  text-decoration: none; color: inherit; transition: transform .15s, box-shadow .15s; background: var(--color-bg);
}
.course-card:hover { transform: translateY(-4px); box-shadow: 0 16px 32px rgba(0,0,0,0.08); }
.course-thumb { height: 150px; background-size: cover; background-position: center; background-color: var(--color-secondary); opacity: 0.9; }
.course-card-body { padding: 18px; }
.course-category { font-size: 11.5px; font-weight: 700; text-transform: uppercase; color: var(--color-accent); }
.course-card-body h3 { font-size: 17px; margin: 6px 0; }
.course-card-body p { font-size: 13.5px; opacity: 0.75; margin-bottom: 12px; }
.price-old { text-decoration: line-through; opacity: 0.5; font-size: 13px; margin-right: 8px; }
.price-new { font-weight: 700; font-size: 16px; color: var(--color-primary); }

/* Teachers */
.teacher-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 24px; text-align: center; }
.teacher-card img { width: 96px; height: 96px; border-radius: 50%; object-fit: cover; margin: 0 auto 12px; background: var(--color-secondary); }
.teacher-card h4 { margin-bottom: 2px; }
.teacher-card p { font-size: 13px; opacity: 0.7; }

/* Testimonials */
.testimonial-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.testimonial-card { border: 1px solid rgba(0,0,0,0.08); border-radius: var(--radius); padding: 22px; }
.testimonial-card p { font-style: italic; opacity: 0.9; }
.testimonial-card span { font-size: 12.5px; opacity: 0.6; }

/* Stats */
.stats-section { background: rgba(0,0,0,0.02); }
.stats-row { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 24px; text-align: center; }
.stat-item strong { display: block; font-size: 30px; font-family: var(--font-heading); color: var(--color-primary); }
.stat-item span { font-size: 13px; opacity: 0.7; }

/* CTA band */
.cta-band { background: var(--color-primary-surface); color: #fff; padding: 60px 0; text-align: center; }
.cta-band .btn-solid { background: #fff; color: var(--color-primary); margin-top: 8px; }

.site-footer { padding: 30px 0; text-align: center; font-size: 13px; opacity: 0.6; border-top: 1px solid rgba(0,0,0,0.06); }

@media (max-width: 820px) {
  .hero-inner, .about-inner { grid-template-columns: 1fr; }
  .site-nav { display: none; }
  .hero h1 { font-size: 30px; }
}

/* Auth pages (login / register) */
.auth-wrap { min-height: calc(100vh - 70px); display: flex; align-items: center; justify-content: center; padding: 40px 20px; }
.auth-box { width: 100%; max-width: 400px; border: 1px solid rgba(0,0,0,0.08); border-radius: var(--radius); padding: 34px 30px; }
.auth-box h1 { font-size: 22px; margin-bottom: 4px; }
.auth-sub { font-size: 13.5px; opacity: 0.7; margin-bottom: 22px; }
.btn-google {
  display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%;
  padding: 11px; border: 1px solid rgba(0,0,0,0.15); border-radius: var(--radius);
  text-decoration: none; color: var(--color-text); font-weight: 600; font-size: 14px;
}
.g-icon { font-family: 'Product Sans', Arial, sans-serif; font-weight: 700; color: #4285F4; }
.auth-divider { display: flex; align-items: center; gap: 12px; margin: 20px 0; font-size: 12px; opacity: 0.5; }
.auth-divider::before, .auth-divider::after { content: ''; flex: 1; height: 1px; background: rgba(0,0,0,0.12); }
.auth-form-public { display: flex; flex-direction: column; }
.auth-form-public label { font-size: 13px; font-weight: 600; margin: 12px 0 6px; opacity: 0.75; }
.auth-form-public input {
  padding: 11px 13px; border: 1px solid rgba(0,0,0,0.15); border-radius: var(--radius);
  font-family: inherit; font-size: 14px; outline: none;
}
.auth-form-public input:focus { border-color: var(--color-primary); }
.auth-alert { background: #FDEDEE; color: #C0392B; padding: 10px 14px; border-radius: var(--radius); font-size: 13px; margin-bottom: 14px; }
.auth-footnote { text-align: center; font-size: 13px; margin-top: 20px; opacity: 0.8; }
.auth-footnote a { color: var(--color-primary); font-weight: 600; text-decoration: none; }