/* ════════════════════════════════════════════════════════════════
   FACULTY PAGES — shared stylesheet
   Used by: data-science, cybersecurity, design,
            engineering, futures, management, faculty of AI and machine learning
   Depends on CSS variables defined in css/style.css (--bg, --card, --txt, etc.)
   ════════════════════════════════════════════════════════════════ */

/* ── SOLID PILL BADGE (Faculty of X / Featured Courses) ── */
.fac-pill {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.4rem 1.2rem;
  margin-bottom: 1.5rem;
}

/* ── HERO HEADER ── */
.fac-hero {
  position: relative;
  padding: 9rem 0 3rem;
  text-align: center;
  overflow: hidden;
}
.fac-hero::before {
  content: "";
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 500px;
  background: radial-gradient(
    ellipse 60% 60% at 50% 0%,
    rgba(124, 92, 252, 0.16) 0%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 0;
}
.fac-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  padding: 0 2rem;
}
.fac-breadcrumb {
  font-size: 0.78rem;
  color: var(--txt3);
  margin-bottom: 1.25rem;
}
.fac-breadcrumb a {
  color: var(--txt3);
  text-decoration: none;
  transition: color 0.2s;
}
.fac-breadcrumb a:hover {
  color: var(--txt2);
}
.fac-breadcrumb span {
  margin: 0 0.15rem;
}
.fac-breadcrumb .current {
  color: var(--accent2);
}

.fac-title {
  font-size: clamp(2.1rem, 4.4vw, 3.1rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1.1rem;
}
.fac-sub {
  font-size: 0.98rem;
  color: var(--txt2);
  line-height: 1.7;
  max-width: 600px;
  margin: 0 auto;
}

/* ── STATS BAR ── */
.fac-stats-wrap {
  max-width: 900px;
  margin: 2.5rem auto 0;
  padding: 0 2rem;
}
.fac-stats {
  display: grid;
  gap: 2rem;
  padding: 2.25rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.fac-stats.cols-3 {
  grid-template-columns: repeat(3, 1fr);
}
.fac-stats.cols-4 {
  grid-template-columns: repeat(4, 1fr);
}
.fac-stat-num {
  font-size: 1.7rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--accent);
  margin-bottom: 0.3rem;
}
.fac-stat-label {
  font-size: 0.76rem;
  color: var(--txt3);
}

/* ── VISUAL / IMAGE BOX ── */
.fac-visual-wrap {
  max-width: 980px;
  margin: 3rem auto 0;
  padding: 0 2rem;
}
.fac-visual {
  width: 100%;
  height: 320px;
  border-radius: 22px;
  overflow: hidden;
  border: 1.5px solid var(--accent);
  background: var(--card);
}
.fac-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ── OTHER FACULTIES ── */
.fac-other-wrap {
  max-width: 980px;
  margin: 3rem auto 5rem;
  padding: 0 2rem;
}
.fac-other-title {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 1.1rem;
}
.fac-other-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.fac-other-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 1.1rem;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid;
  transition:
    transform 0.2s var(--ease),
    filter 0.2s var(--ease);
}
.fac-other-pill:hover {
  transform: translateY(-2px);
  filter: brightness(1.15);
}
/* Per-faculty pill colors — match each faculty's accent across the site */
.fac-pill-engineering {
  color: #c4b5fd;
  border-color: rgba(124, 92, 252, 0.4);
  background: rgba(124, 92, 252, 0.12);
}
.fac-pill-design {
  color: #67e8f9;
  border-color: rgba(34, 211, 238, 0.4);
  background: rgba(34, 211, 238, 0.12);
}
.fac-pill-management {
  color: #6ee7b7;
  border-color: rgba(16, 185, 129, 0.4);
  background: rgba(16, 185, 129, 0.12);
}
.fac-pill-data {
  color: #fca5a5;
  border-color: rgba(239, 68, 68, 0.4);
  background: rgba(239, 68, 68, 0.12);
}
.fac-pill-cybersecurity {
  color: #fca5a5;
  border-color: rgba(239, 68, 68, 0.4);
  background: rgba(239, 68, 68, 0.12);
}
.fac-pill-futures {
  color: #fdba74;
  border-color: rgba(251, 146, 60, 0.4);
  background: rgba(251, 146, 60, 0.12);
}
.fac-pill-ai {
  color: #6ee7b7;
  border-color: rgba(16, 185, 129, 0.4);
  background: rgba(16, 185, 129, 0.12);
}

/* ════════════════════════════════════════════════════════════════
   COURSES IN THIS FACULTY — section + cards
   ════════════════════════════════════════════════════════════════ */
.fac-courses-sec {
  padding: 5rem 0 6rem;
  text-align: center;
}
.fac-courses-head {
  margin-bottom: 3rem;
}
.fac-courses-head .fac-pill {
  margin-bottom: 1.25rem;
}
.fac-courses-title {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 0.6rem;
}
.fac-courses-sub {
  font-size: 0.92rem;
  color: var(--txt2);
}

.fac-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 2rem;
  text-align: left;
}
/* Single-card faculties (e.g. Cybersecurity currently) shouldn't stretch full width */
.fac-grid.single-col {
  grid-template-columns: minmax(280px, 380px);
  justify-content: center;
}

/* ── FACULTY COURSE CARD ── */
.fac-ccard {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  transition: all 0.3s var(--ease);
}
.fac-ccard:hover {
  border-color: rgba(124, 92, 252, 0.45);
  transform: translateY(-5px);
  box-shadow: 0 22px 55px rgba(0, 0, 0, 0.35);
}
.fac-ccard-img {
  height: 200px;
  overflow: hidden;
  position: relative;
}
.fac-ccard-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s var(--ease);
}
.fac-ccard:hover .fac-ccard-img img {
  transform: scale(1.05);
}
.fac-ccard-body {
  padding: 1.25rem;
}
.fac-badges {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.65rem;
}
.fac-badge-off {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent2);
}
.fac-badge-bestseller {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.2rem 0.65rem;
  border-radius: 100px;
}
.fac-ccard-title {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--txt);
  margin-bottom: 0.55rem;
  line-height: 1.35;
}
.fac-ccard-meta {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin: 0.8rem 0 1rem;
}
.fac-cmeta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.76rem;
  color: var(--txt2);
}
.fac-cmeta svg {
  width: 15px;
  height: 15px;
  stroke: var(--txt3);
  fill: none;
  stroke-width: 1.8;
  flex-shrink: 0;
}
.fac-price-row {
  display: flex;
  justify-content: start;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.fac-price-old {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--txt3);
  text-decoration: line-through;
}
.fac-price-new {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--accent2);
  letter-spacing: -0.03em;
}
.fac-ccard-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.fac-inst-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}
.fac-inst-av {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--bg2);
  flex-shrink: 0;
}
.fac-inst-av img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.fac-inst-name {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--txt);
  line-height: 1.3;
}
.fac-inst-role {
  font-size: 0.68rem;
  color: var(--txt3);
}
.fac-enroll-btn {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 100px;
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.5rem 1rem;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s var(--ease);
}
.fac-enroll-btn:hover {
  box-shadow: 0 0 20px var(--accent-glow, rgba(124, 92, 252, 0.4));
  filter: brightness(1.08);
}
.fac-enroll-btn svg {
  width: 13px;
  height: 13px;
  stroke: #fff;
  fill: none;
  stroke-width: 2.5;
}

/* ════════════════════════════════════════════════════════════════
   RESPONSIVE — faculty-specific only (global rules in css/style.css)
   ════════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .fac-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .fac-hero {
    padding: 7rem 0 2rem;
  }
  .fac-stats.cols-3,
  .fac-stats.cols-4 {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem 1rem;
  }
  .fac-visual {
    height: 220px;
  }
  .fac-grid {
    grid-template-columns: 1fr;
  }
  /* Price sizes match css/style.css ccard at all breakpoints */
  .fac-price-old,
  .fac-price-new {
    font-size: 1.3rem;
  }
}
@media (max-width: 480px) {
  .fac-title {
    font-size: 1.8rem;
  }
  .fac-price-old,
  .fac-price-new {
    font-size: 1.15rem;
  }
  /* Single-col grid never too narrow */
  .fac-grid.single-col {
    grid-template-columns: minmax(0, 1fr);
  }
}