/* ====================================================================== *
 * File: public_course_detail_polish.css
 * Location: static/css/public_course_detail_polish.css
 * Description: Standalone public course-information presentation with a polished public header, retained description hero, single registration card, and no student-shell dependencies.
 * Version: 1.1.0
 * Last Modified: Mon Aug 17 2026 - 11:30
 * Dependencies: academy_commerce.css, Vazirmatn
 * ====================================================================== */

/* -------------------------------------------------------------------------- *
 * 1. Public page canvas and navigation
 * -------------------------------------------------------------------------- */

* {
  box-sizing: border-box;
}

html {
  background: #f3f6fa;
  scroll-behavior: smooth;
}

body.public-course-info-page {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 8% 8%, rgba(197, 148, 58, 0.08), transparent 25%),
    radial-gradient(circle at 95% 20%, rgba(36, 83, 151, 0.08), transparent 28%),
    linear-gradient(180deg, #edf3fa 0%, #f7f9fc 48%, #eef3f8 100%);
  color: #0b2345;
  font-family: "Vazirmatn", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.public-course-info-topbar {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 74px;
  padding: 12px clamp(16px, 4vw, 54px);
  border-bottom: 1px solid rgba(218, 179, 94, 0.16);
  background: rgba(5, 24, 53, 0.95);
  box-shadow: 0 12px 30px rgba(3, 16, 37, 0.14);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.public-course-info-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #ffffff;
  text-decoration: none;
}

.public-course-info-brand img {
  width: 38px;
  height: 38px;
  object-fit: contain;
}

.public-course-info-brand span {
  display: grid;
  gap: 1px;
}

.public-course-info-brand strong {
  font-size: 0.96rem;
}

.public-course-info-brand small {
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.68rem;
}

.public-course-info-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.public-course-info-nav a {
  border: 1px solid rgba(224, 187, 107, 0.24);
  border-radius: 999px;
  padding: 9px 14px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 0.76rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.public-course-info-nav a:hover,
.public-course-info-nav a:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(224, 187, 107, 0.55);
  background: rgba(255, 255, 255, 0.06);
}

.public-course-info-nav a.is-primary {
  border-color: rgba(224, 187, 107, 0.48);
  background: linear-gradient(135deg, rgba(199, 147, 53, 0.18), rgba(255, 255, 255, 0.04));
  color: #f5d287;
}

.public-course-info-main {
  min-height: calc(100vh - 150px);
}

/* -------------------------------------------------------------------------- *
 * 2. Detail page shell and retained description hero
 * -------------------------------------------------------------------------- */

.public-course-minimal {
  width: min(1120px, calc(100% - 30px));
  margin: 0 auto;
  padding: clamp(26px, 4vw, 52px) 0 clamp(44px, 6vw, 74px);
}

.public-course-minimal .commerce-detail-hero {
  margin-bottom: 20px;
}

.public-course-description-hero {
  overflow: hidden;
  border: 1px solid rgba(218, 179, 94, 0.2);
  border-radius: 28px;
  padding: clamp(28px, 5vw, 54px);
  background:
    radial-gradient(circle at 0% 0%, rgba(209, 161, 72, 0.19), transparent 28%),
    radial-gradient(circle at 100% 100%, rgba(75, 119, 181, 0.24), transparent 30%),
    linear-gradient(135deg, #071a38 0%, #0b2a58 56%, #133f78 100%);
  box-shadow: 0 24px 60px rgba(6, 26, 56, 0.18);
}

.public-course-description-hero > span {
  color: #e0b45f;
  font-weight: 800;
}

.public-course-description-hero h1 {
  max-width: 900px;
  margin-top: 10px;
  color: #ffffff;
  font-size: clamp(1.65rem, 4vw, 2.8rem);
  line-height: 1.6;
}

.public-course-description-hero > p {
  max-width: 900px;
  color: rgba(255, 255, 255, 0.76);
  font-size: clamp(0.88rem, 1.5vw, 1rem);
  line-height: 2.1;
}

.public-course-description-hero .commerce-benefit-row {
  margin-top: 24px;
}

.public-course-description-hero .commerce-benefit-row span {
  border-color: rgba(234, 204, 143, 0.22);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.84);
}

/* -------------------------------------------------------------------------- *
 * 3. Single registration/start card
 * -------------------------------------------------------------------------- */

.public-course-start-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 22px 34px;
  border: 1px solid rgba(10, 35, 72, 0.1);
  border-radius: 24px;
  padding: clamp(24px, 4vw, 38px);
  background:
    radial-gradient(circle at 100% 0%, rgba(190, 143, 57, 0.08), transparent 30%),
    rgba(255, 255, 255, 0.96);
  box-shadow: 0 16px 42px rgba(8, 27, 56, 0.08);
}

.public-course-start-copy {
  min-width: 0;
}

.public-course-start-kicker {
  display: inline-block;
  margin-bottom: 5px;
  color: #9b6e1e;
  font-size: 0.72rem;
  font-weight: 850;
}

.public-course-start-card h2 {
  margin: 0;
  color: #0a2348;
  font-size: clamp(1.18rem, 2vw, 1.55rem);
  line-height: 1.7;
}

.public-course-start-card p {
  margin: 8px 0 0;
  color: #607087;
  font-size: 0.86rem;
  line-height: 2;
}

.public-course-start-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 10px 12px;
}

.public-course-start-actions a {
  text-decoration: none;
}

.public-course-panel-note {
  grid-column: 1 / -1;
  border-top: 1px solid rgba(10, 35, 72, 0.08);
  padding-top: 15px;
}

.public-course-panel-link {
  color: #8c6420;
  font-weight: 800;
}

/* -------------------------------------------------------------------------- *
 * 4. Compact public footer
 * -------------------------------------------------------------------------- */

.public-course-info-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px clamp(16px, 4vw, 54px);
  border-top: 1px solid rgba(222, 184, 105, 0.13);
  background: #06162f;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.72rem;
}

.public-course-info-footer a {
  color: #e0b45f;
  font-weight: 750;
  text-decoration: none;
}

/* -------------------------------------------------------------------------- *
 * 5. Responsive behavior
 * -------------------------------------------------------------------------- */

@media (max-width: 760px) {
  .public-course-info-topbar {
    min-height: 66px;
    padding: 10px 12px;
  }

  .public-course-info-brand small,
  .public-course-info-nav a:first-child {
    display: none;
  }

  .public-course-info-nav a {
    padding: 8px 11px;
    font-size: 0.7rem;
  }

  .public-course-minimal {
    width: calc(100% - 20px);
    padding-top: 16px;
  }

  .public-course-description-hero {
    border-radius: 22px;
    padding: 24px 17px;
  }

  .public-course-description-hero .commerce-benefit-row {
    gap: 7px;
    margin-top: 18px;
  }

  .public-course-start-card {
    grid-template-columns: 1fr;
    border-radius: 20px;
    padding: 21px 16px;
  }

  .public-course-start-actions {
    align-items: stretch;
    justify-content: stretch;
    flex-direction: column;
  }

  .public-course-start-actions .commerce-primary-button,
  .public-course-start-actions .commerce-support-button {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .public-course-panel-note {
    grid-column: 1;
  }

  .public-course-info-footer {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .public-course-info-nav a {
    transition: none;
  }
}

/* ============================= End of public_course_detail_polish.css ============================= */