/* ==========================================================================
   ACADEMIA (ENGINEERING HUB) - BEM STYLES
   ========================================================================== */

/* --- 1. ACADEMY LAYOUT --- */
.academy-layout {
  padding-top: calc(var(--header-height) + 2.5rem);
  padding-bottom: 6rem; /* pb-24 */
  padding-left: 3rem; /* px-12 */
  padding-right: 3rem;
  max-width: 120rem; /* max-w-[1920px] */
  margin-left: auto;
  margin-right: auto;
}

/* --- 2. SECTION LABEL --- */
.academy-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.academy-label__bar {
  background-color: var(--primary);
  height: 0.25rem; /* h-1 */
  width: 3rem; /* w-12 */
}

.academy-label__text {
  font-family: var(--font-label);
  font-size: 0.875rem; /* sm */
  font-weight: bold;
  letter-spacing: 0.2em;
  color: var(--primary);
  text-transform: uppercase;
}

/* --- 3. HERO ARTICLE --- */
.academy-hero {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  margin-bottom: 6rem; /* mb-24 */
  overflow: hidden;
}

@media (min-width: 1024px) {
  .academy-hero {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }
}

.academy-hero__visual {
  position: relative;
  height: 37.5rem; /* h-[600px] */
  background-color: var(--surface-container);
}

@media (min-width: 1024px) {
  .academy-hero__visual {
    grid-column: span 7;
  }
}

.academy-hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.academy-hero__badges {
  position: absolute;
  top: 2rem;
  left: 2rem;
  display: flex;
  gap: 0.75rem;
}

.academy-hero__badge {
  padding: 0.25rem 0.75rem;
  font-size: 0.625rem; /* 10px */
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.academy-hero__badge--light {
  background-color: var(--surface-container-lowest);
  color: var(--on-surface);
}

.academy-hero__badge--primary {
  background-color: var(--primary);
  color: var(--on-primary);
}

.academy-hero__meta {
  position: absolute;
  bottom: 2rem;
  left: 2rem;
  color: var(--surface-container-lowest);
  font-family: var(--font-label);
  font-size: 0.75rem; /* xs */
  letter-spacing: 0.1em;
  opacity: 0.8;
}

.academy-hero__content {
  background-color: var(--surface-container-low);
  padding: 3rem; /* p-12 */
  display: flex;
  flex-direction: column;
  justify-content: center;
}

@media (min-width: 1024px) {
  .academy-hero__content {
    grid-column: span 5;
    padding: 5rem; /* lg:p-20 */
  }
}

.academy-hero__date {
  font-size: 0.875rem; /* sm */
  font-weight: 500;
  color: var(--secondary);
  opacity: 0.7;
  font-family: var(--font-label);
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}

.academy-hero__title {
  font-size: var(--text-display); /* 5xl */
  font-family: var(--font-headline);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--on-surface);
  margin-bottom: 2rem;
  text-transform: uppercase;
}

@media (min-width: 1024px) {
  .academy-hero__title {
    font-size: var(--text-display); /* 7xl */
  }
}

.academy-hero__highlight {
  color: var(--primary);
}

.academy-hero__desc {
  font-size: 1.125rem; /* lg */
  color: var(--on-surface-variant);
  line-height: 1.625;
  margin-bottom: 2.5rem;
  max-width: 28rem; /* max-w-md */
  font-family: var(--font-body);
}

.academy-hero__btn {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  background-color: var(--primary);
  color: var(--on-primary);
  padding: 1.25rem 2.5rem; /* py-5 px-10 */
  font-weight: bold;
  letter-spacing: -0.025em;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  width: max-content;
}

.academy-hero__btn:hover {
  background-color: var(--surface-tint);
}

.academy-hero__btn-icon {
  transition: transform 0.2s ease;
}

.academy-hero__btn:hover .academy-hero__btn-icon {
  transform: translateX(0.5rem);
}

/* --- 4. META STATS --- */
.academy-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
  margin-bottom: 6rem; /* mb-24 */
  padding-top: 3rem;
  padding-bottom: 3rem;
  border-top: 1px solid rgba(228, 190, 188, 0.15);
  border-bottom: 1px solid rgba(228, 190, 188, 0.15);
}

@media (min-width: 768px) {
  .academy-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.academy-stat {
  display: flex;
  flex-direction: column;
}

.academy-stat__label {
  font-size: 0.625rem; /* 10px */
  font-weight: 900;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.academy-stat__value {
  font-size: var(--text-h2); /* 4xl */
  font-family: var(--font-headline);
  font-weight: 900;
  letter-spacing: -0.05em;
  color: var(--on-surface);
}

.academy-stat__value--tertiary {
  color: var(--tertiary);
}

.academy-stat__sub {
  font-size: 0.75rem; /* xs */
  color: var(--on-surface-variant);
  margin-top: 0.25rem;
}

/* --- 5. EDITORIAL GRID --- */
.academy-editorial {
  display: flex;
  flex-direction: column;
}

.academy-editorial__header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.academy-editorial__title {
  font-size: 1.875rem; /* 3xl */
  font-family: var(--font-headline);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.05em;
  color: var(--on-surface);
}

.academy-editorial__line {
  flex-grow: 1;
  height: 1px;
  background-color: rgba(228, 190, 188, 0.15);
}

.academy-editorial__grid {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 0.25rem; /* gap-1 */
}

@media (min-width: 768px) {
  .academy-editorial__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .academy-editorial__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.academy-article {
  background-color: var(--surface-container-low);
  padding: 2rem;
  aspect-ratio: 1 / 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid transparent;
  transition: all 0.5s ease;
  cursor: pointer;
}

.academy-article:hover {
  background-color: var(--surface-container-high);
  border-color: rgba(183, 16, 42, 0.2); /* primary/20 */
}

.academy-article__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.academy-article__tag {
  font-size: 0.625rem; /* 10px */
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
}

.academy-article__icon {
  color: var(--outline-variant);
  transition: color 0.3s ease;
}

.academy-article:hover .academy-article__icon {
  color: var(--primary);
}

.academy-article__content {
  display: flex;
  flex-direction: column;
}

.academy-article__title {
  font-size: 1.5rem; /* 2xl */
  font-family: var(--font-headline);
  font-weight: 900;
  text-transform: uppercase;
  line-height: 1;
  letter-spacing: -0.05em;
  margin-bottom: 1rem;
  color: var(--on-surface);
  transition: color 0.3s ease;
}

.academy-article:hover .academy-article__title {
  color: var(--primary);
}

.academy-article__desc {
  font-size: 0.75rem; /* xs */
  color: var(--on-surface-variant);
  font-family: var(--font-body);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 1.5rem;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.academy-article:hover .academy-article__desc {
  opacity: 1;
}

.academy-article__id {
  font-size: 0.625rem; /* 10px */
  font-weight: bold;
  color: var(--outline);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* --- 6. NEWSLETTER SECTION --- */
.academy-newsletter {
  margin-top: 6rem; /* mt-24 */
  position: relative;
  overflow: hidden;
  background-color: var(--surface-container);
  padding: 4rem; /* p-16 */
}

@media (min-width: 768px) {
  .academy-newsletter {
    padding: 6rem; /* md:p-24 */
  }
}

.academy-newsletter__glow {
  position: absolute;
  right: -10%;
  top: -10%;
  width: 600px;
  height: 600px;
  background-color: rgba(183, 16, 42, 0.05); /* primary/5 */
  border-radius: 9999px;
  filter: blur(120px);
}

.academy-newsletter__content {
  position: relative;
  z-index: 10;
  max-width: 42rem; /* max-w-2xl */
}

.academy-newsletter__title {
  font-size: var(--text-h1); /* 6xl */
  font-family: var(--font-headline);
  font-weight: 900;
  text-transform: uppercase;
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--on-surface);
  margin-bottom: 2rem;
}

.academy-newsletter__highlight {
  color: var(--primary);
}

.academy-newsletter__desc {
  font-size: 1.125rem; /* lg */
  color: var(--on-surface-variant);
  margin-bottom: 3rem;
  font-family: var(--font-body);
}

.academy-newsletter__form {
  display: flex;
  flex-direction: column;
}

@media (min-width: 768px) {
  .academy-newsletter__form {
    flex-direction: row;
  }
}

.academy-newsletter__input {
  flex-grow: 1;
  background-color: var(--surface-container-lowest);
  border: none;
  padding: 1.5rem 2rem; /* py-6 px-8 */
  color: var(--on-surface);
  font-family: var(--font-label);
  font-weight: bold;
  letter-spacing: 0.1em;
  outline: none;
}

.academy-newsletter__input:focus {
  box-shadow: inset 0 0 0 2px var(--primary);
}

.academy-newsletter__submit {
  background-color: var(--primary);
  color: var(--on-primary);
  padding: 1.5rem 3rem; /* px-12 py-6 */
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.academy-newsletter__submit:hover {
  background-color: var(--surface-tint);
}

.academy-newsletter__submit:active {
  transform: scale(0.95);
}