/* ================================================
   Mini Cursos de Tecnología del MFC — Styles
   Comité de Tecnologías de la Información
   ================================================ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* ── Design Tokens ── */
:root {
  --color-primary:      #1a3a6b;
  --color-primary-dark: #0f2347;
  --color-accent:       #f0a500;
  --color-accent-dark:  #c98900;
  --color-accent-light: #fff3cc;
  --color-surface:      #ffffff;
  --color-bg:           #f4f6fb;
  --color-text:         #1e2a3a;
  --color-text-muted:   #5a6a7e;
  --color-border:       #d8e2f0;
  --color-meet:         #00897b;
  --color-yt:           #c62828;
  --color-calendar:     #1565c0;
  --color-recording:    #6a1b9a;
  --color-soon:         #e65100;

  --radius-sm:  8px;
  --radius-md:  14px;
  --radius-lg:  20px;
  --radius-xl:  28px;

  --shadow-card:  0 4px 24px rgba(26, 58, 107, 0.10);
  --shadow-hover: 0 12px 40px rgba(26, 58, 107, 0.18);
  --shadow-btn:   0 2px 10px rgba(0, 0, 0, 0.15);

  --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Outfit', system-ui, sans-serif;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a   { color: inherit; text-decoration: none; }

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 35, 71, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 0.75rem 1.5rem;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-logos {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.header-logo {
  height: 44px;
  width: 44px;
  object-fit: cover;
}

.logo-circular {
  border-radius: 50%;
  border: 2px solid rgba(240, 165, 0, 0.7);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  background: #ffffff;
}

.header-logo-sep {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,0.25);
}

.header-title {
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.3;
  flex: 1;
}

.header-title span {
  display: block;
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--color-accent);
  letter-spacing: 0.04em;
}

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 72vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  text-align: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../assets/images/hero.jpg');
  background-size: cover;
  background-position: center 20%;
  transform: scale(1.04);
  transition: transform 8s ease-out;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(10, 24, 56, 0.72) 0%,
    rgba(10, 24, 56, 0.48) 50%,
    rgba(240, 165, 0, 0.25) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 5rem 1.5rem 4rem;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: rgba(240, 165, 0, 0.18);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(240, 165, 0, 0.45);
  color: var(--color-accent);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 1rem 0.35rem 0.5rem;
  border-radius: 50px;
  margin-bottom: 1.25rem;
}

.hero-badge-logo {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid rgba(240, 165, 0, 0.8);
  background: #ffffff;
}

.hero h1 {
  font-size: clamp(1.9rem, 5vw, 3.5rem);
  font-weight: 800;
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.15;
  margin-bottom: 1rem;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.45);
}

.hero h1 em {
  font-style: normal;
  color: rgba(240, 165, 0, 0.92);
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.85);
  max-width: 560px;
  margin: 0 auto 2rem;
  font-weight: 300;
}

.hero-scroll-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  color: rgba(255,255,255,0.5);
  font-size: 0.8rem;
  animation: bounce 2s infinite;
}

.hero-scroll-hint svg {
  opacity: 0.7;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(6px); }
}

/* ── Section Layout ── */
.section {
  padding: 5rem 1.5rem;
}

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: 0.6rem;
}

.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
}

.section-title span {
  color: var(--color-accent-dark);
}

.section-desc {
  margin-top: 0.75rem;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.section--alt {
  background: var(--color-primary-dark);
  position: relative;
  overflow: hidden;
}

.section--alt::before {
  content: '';
  position: absolute;
  top: -80px;
  left: -80px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(240,165,0,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.section--alt .section-eyebrow { color: var(--color-accent); }
.section--alt .section-title   { color: #ffffff; }
.section--alt .section-title span { color: var(--color-accent); }
.section--alt .section-desc    { color: rgba(255,255,255,0.65); }

/* ── Cards Grid ── */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.75rem;
}

/* ── Course Card (Scheduled) ── */
.course-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(24px);
  border: 1px solid var(--color-border);
}

.course-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.course-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-6px);
}

/* Image wrapper */
.card-img-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-bg);
}

.card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.course-card:hover .card-img-wrap img {
  transform: scale(1.05);
}

/* Date badge */
.card-date-badge {
  position: absolute;
  top: 0.85rem;
  left: 0.85rem;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.65rem;
  font-size: 0.78rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  box-shadow: var(--shadow-btn);
}

/* Duration chip */
.card-duration {
  position: absolute;
  bottom: 0.85rem;
  right: 0.85rem;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(8px);
  color: #fff;
  border-radius: 50px;
  padding: 0.25rem 0.7rem;
  font-size: 0.78rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

/* Card body */
.card-body {
  padding: 1.25rem 1.4rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.3;
}

.card-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  flex: 1;
}

/* Card actions */
.card-actions {
  padding: 0 1.4rem 1.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: var(--transition);
  white-space: nowrap;
  box-shadow: var(--shadow-btn);
}

.btn svg { flex-shrink: 0; }

.btn--meet {
  background: var(--color-meet);
  color: #fff;
}
.btn--meet:hover { background: #00695c; transform: translateY(-1px); }

.btn--youtube {
  background: var(--color-yt);
  color: #fff;
}
.btn--youtube:hover { background: #b71c1c; transform: translateY(-1px); }

.btn--calendar {
  background: var(--color-calendar);
  color: #fff;
}
.btn--calendar:hover { background: #0d47a1; transform: translateY(-1px); }

.btn--recording {
  background: var(--color-recording);
  color: #fff;
}
.btn--recording:hover { background: #4a148c; transform: translateY(-1px); }

.btn--outline {
  background: transparent;
  border: 1.5px solid var(--color-border);
  color: var(--color-text-muted);
}
.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-dark);
  background: var(--color-accent-light);
}

/* ── Upcoming Card ── */
.upcoming-card {
  background: rgba(255,255,255,0.06);
  border: 1.5px dashed rgba(240, 165, 0, 0.35);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(24px);
}

.upcoming-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.upcoming-card:hover {
  background: rgba(255,255,255,0.10);
  border-color: rgba(240, 165, 0, 0.6);
  transform: translateY(-4px);
}

.upcoming-card .card-img-wrap {
  filter: saturate(0.5) brightness(0.7);
}

.soon-badge {
  position: absolute;
  top: 0.85rem;
  left: 0.85rem;
  background: var(--color-soon);
  color: #fff;
  border-radius: 50px;
  padding: 0.28rem 0.8rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  animation: pulse-badge 2.5s infinite;
}

@keyframes pulse-badge {
  0%, 100% { box-shadow: 0 0 0 0 rgba(230, 81, 0, 0.5); }
  50%       { box-shadow: 0 0 0 8px rgba(230, 81, 0, 0); }
}

.upcoming-card .card-body {
  padding: 1.25rem 1.4rem;
}

.upcoming-card .card-title { color: #ffffff; }
.upcoming-card .card-desc  { color: rgba(255,255,255,0.6); }

.upcoming-card .card-actions { padding: 0 1.4rem 1.4rem; }

/* ── Image Placeholder (when no image) ── */
.card-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #e8edf8 0%, #c5d0e8 100%);
  color: #8a9abb;
  font-size: 3rem;
}

/* ── Footer ── */
.site-footer {
  background: var(--color-primary-dark);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 3rem 1.5rem 2rem;
  color: rgba(255,255,255,0.7);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2rem;
}

.footer-brand .footer-logos {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.footer-brand img.footer-logo {
  height: 48px;
  width: 48px;
  object-fit: cover;
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.6;
  color: rgba(255,255,255,0.55);
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.5rem; }
.footer-col ul li a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.footer-col ul li a:hover { color: var(--color-accent); }

.footer-social {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7);
  font-size: 1.1rem;
  transition: var(--transition);
  border: 1px solid rgba(255,255,255,0.12);
}

.social-btn:hover {
  background: var(--color-accent);
  color: var(--color-primary-dark);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.footer-bottom {
  max-width: 1200px;
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
}

.footer-bottom a { color: var(--color-accent); }

/* ── Divider ── */
.wave-divider {
  line-height: 0;
  overflow: hidden;
}
.wave-divider svg { display: block; width: 100%; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .hero { 
    min-height: max(420px, 58vh);
  }
  .hero-bg {
    background-position: center 25%;
    transform: none;
  }
  .hero-content { 
    padding: 4rem 1.25rem 2.5rem; 
  }
}

@media (max-width: 600px) {
  .site-header { padding: 0.6rem 1rem; }
  .header-logo { height: 36px; }
  .header-title { font-size: 0.85rem; }
  .section { padding: 3.5rem 1rem; }

  .courses-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .hero { 
    min-height: max(380px, 52vh);
  }
  .hero-content { 
    padding: 3.25rem 1rem 2rem; 
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .card-actions { gap: 0.45rem; }
  .btn { font-size: 0.8rem; padding: 0.48rem 0.8rem; }
}

/* ── Accessibility ── */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}