/* ====================================================================== *
 * File: landing-course-portfolio.css
 * Location: static/css/landing-course-portfolio.css
 * Description: Seamless swipeable public course portfolio between landing hero and specialist comments.
 * Version: 1.0.0
 * Last Modified: Sun Aug 09 2026 - 10:00
 * Dependencies: templates/includes/landing_course_portfolio.html
 * ====================================================================== */

/* -------------------------------------------------------------------------- *
 * 1. Continuous post-hero background
 * -------------------------------------------------------------------------- */

.landing-content-flow {
  position: relative;
  z-index: 0;
  margin-top: -1px;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 18%, rgba(74, 123, 224, 0.13), transparent 28%),
    radial-gradient(circle at 88% 56%, rgba(117, 81, 201, 0.09), transparent 30%),
    linear-gradient(180deg, #0a2854 0%, #082147 22%, #071b3a 58%, #06142e 100%);
}

.landing-content-flow::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -130px;
  right: 0;
  left: 0;
  height: 190px;
  background: linear-gradient(180deg, rgba(10, 40, 84, 0), #0a2854 78%, #0a2854 100%);
  pointer-events: none;
}

/* -------------------------------------------------------------------------- *
 * 2. Portfolio section shell
 * -------------------------------------------------------------------------- */

.landing-course-portfolio {
  position: relative;
  width: 100%;
  padding: 72px 0 46px;
  color: #f8fbff;
}

.landing-course-portfolio-shell {
  width: min(1460px, 100%);
  margin: 0 auto;
}

.landing-course-portfolio-heading {
  padding: 0 30px 28px;
  text-align: right;
}

.landing-course-portfolio-eyebrow {
  display: block;
  margin-bottom: 7px;
  color: rgba(232, 196, 109, 0.76);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  direction: ltr;
}

.landing-course-portfolio-heading h2 {
  margin: 0;
  color: #fff;
  font-family: "Vazirmatn", "Vazir", "Shabnam", Tahoma, Arial, sans-serif;
  font-size: clamp(1.65rem, 2.5vw, 2.25rem);
  font-weight: 800;
  line-height: 1.5;
}

/* -------------------------------------------------------------------------- *
 * 3. Horizontal portfolio track
 * -------------------------------------------------------------------------- */

.landing-course-portfolio-track {
  display: flex;
  gap: 18px;
  width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 8px 30px 18px;
  direction: rtl;
  scroll-behavior: smooth;
  scroll-snap-type: x proximity;
  overscroll-behavior-inline: contain;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.landing-course-portfolio-track::-webkit-scrollbar {
  display: none;
}

.landing-course-portfolio-track:focus-visible {
  outline: 2px solid rgba(232, 196, 109, 0.5);
  outline-offset: -2px;
}

/* -------------------------------------------------------------------------- *
 * 4. Course card
 * -------------------------------------------------------------------------- */

.landing-course-card {
  position: relative;
  flex: 0 0 calc(31.5% - 12px);
  min-width: 310px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 26px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.045));
  box-shadow:
    0 20px 42px rgba(1, 8, 24, 0.18),
    inset 0 1px rgba(255, 255, 255, 0.07);
  scroll-snap-align: start;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.landing-course-card-media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: rgba(1, 10, 28, 0.4);
}

.landing-course-card-media img,
.landing-course-card-placeholder {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.landing-course-card-media img {
  filter: saturate(0.9) contrast(0.96) brightness(0.9);
  transform: scale(1.005);
}

.landing-course-card-placeholder {
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 35% 30%, rgba(70, 124, 231, 0.36), transparent 28%),
    linear-gradient(135deg, #09244e, #11183d);
}

.landing-course-card-placeholder span {
  color: rgba(236, 201, 116, 0.82);
  font-family: Georgia, serif;
  font-size: 3rem;
}

.landing-course-card-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 42%, rgba(3, 13, 34, 0.5) 100%),
    linear-gradient(90deg, rgba(3, 12, 31, 0.08), transparent 22%, transparent 78%, rgba(3, 12, 31, 0.08));
  pointer-events: none;
}

.landing-course-card-body {
  padding: 20px 22px 22px;
}

.landing-course-card-body h3 {
  margin: 0;
  color: #fff;
  font-size: 1.03rem;
  font-weight: 800;
  line-height: 1.7;
}

.landing-course-card-body p {
  display: -webkit-box;
  min-height: 4.8em;
  margin: 9px 0 17px;
  overflow: hidden;
  color: rgba(242, 247, 255, 0.69);
  font-size: 0.82rem;
  font-weight: 400;
  line-height: 1.9;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.landing-course-card-stat {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(246, 249, 255, 0.72);
  font-size: 0.76rem;
  line-height: 1.6;
}

.landing-course-card-stat svg {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  fill: none;
  stroke: rgba(235, 198, 105, 0.88);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.landing-course-card-stat strong {
  color: #edca73;
  font-weight: 800;
}

/* -------------------------------------------------------------------------- *
 * 5. Seamless specialist continuation on public landing
 * -------------------------------------------------------------------------- */

.landing-content-flow .specialist-comments-section {
  margin-top: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.landing-content-flow .specialist-comments-section::before {
  display: none;
}

/* -------------------------------------------------------------------------- *
 * 6. Responsive portfolio
 * -------------------------------------------------------------------------- */

@media (max-width: 1050px) {
  .landing-course-card {
    flex-basis: 42%;
    min-width: 300px;
  }
}

@media (max-width: 700px) {
  .landing-course-portfolio {
    padding: 54px 0 30px;
  }

  .landing-course-portfolio-heading {
    padding: 0 16px 21px;
  }

  .landing-course-portfolio-eyebrow {
    font-size: 0.61rem;
  }

  .landing-course-portfolio-heading h2 {
    font-size: clamp(1.45rem, 6.8vw, 1.85rem);
  }

  .landing-course-portfolio-track {
    gap: 13px;
    padding: 7px 16px 14px;
  }

  .landing-course-card {
    flex-basis: 84%;
    min-width: 270px;
    border-radius: 22px;
  }

  .landing-course-card-body {
    padding: 17px 18px 19px;
  }

  .landing-course-card-body h3 {
    font-size: 0.96rem;
  }

  .landing-course-card-body p {
    margin-top: 7px;
    font-size: 0.79rem;
  }
}

@media (max-width: 390px) {
  .landing-course-card {
    flex-basis: 88%;
    min-width: 252px;
  }
}

/* ============================= End of landing-course-portfolio.css ============================= */