/* ============================================
   AKASH UNIVERSE — Page-Specific Styles
   ============================================ */

/* ── Hero Section ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__canvas {
  position: absolute;
  inset: 0;
  z-index: var(--z-behind);
}

.hero__content {
  text-align: center;
  position: relative;
  z-index: var(--z-base);
}

.hero__greeting {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent-blue);
  margin-bottom: var(--space-xl);
  opacity: 0;
}

.hero__name {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-lg);
}

.hero__name .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(100%);
}

.hero__title {
  font-family: var(--font-body);
  font-size: var(--text-xl);
  font-weight: 300;
  color: var(--color-text-secondary);
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-3xl);
  opacity: 0;
}

.hero__cta {
  opacity: 0;
  transform: translateY(20px);
}

.hero__scroll-indicator {
  position: absolute;
  bottom: var(--space-3xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  opacity: 0;
}

.hero__scroll-indicator span {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-tertiary);
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  position: relative;
  overflow: hidden;
}

.hero__scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-accent-blue);
  animation: scroll-line 2s ease-in-out infinite;
}

@keyframes scroll-line {
  0% { top: -100%; }
  50% { top: 100%; }
  100% { top: 100%; }
}

/* ── Mission Statement Section ── */
.mission {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.mission__text {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 500;
  line-height: var(--leading-snug);
  max-width: 50ch;
}

.mission__text .word {
  display: inline-block;
  opacity: 0.15;
  transition: opacity 0.3s var(--ease-out-quart);
}

.mission__text .word.is-active {
  opacity: 1;
}

/* ── Timeline Section ── */
.timeline {
  position: relative;
  padding: var(--space-section) 0;
}

.timeline__track {
  position: relative;
  display: flex;
  gap: var(--space-3xl);
  padding: var(--space-3xl) 0;
}

.timeline__line {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--color-border);
  transform: translateY(-50%);
}

.timeline__line-progress {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: var(--color-accent-gradient-1);
}

.timeline__item {
  flex-shrink: 0;
  width: 300px;
  position: relative;
  padding-top: var(--space-3xl);
}

.timeline__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  background: var(--color-bg-primary);
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
  transition: border-color 0.4s, background 0.4s, box-shadow 0.4s;
}

.timeline__item.is-active .timeline__dot {
  border-color: var(--color-accent-blue);
  background: var(--color-accent-blue);
  box-shadow: var(--color-glow-blue);
}

.timeline__year {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  color: var(--color-accent-blue);
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.timeline__milestone {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.timeline__desc {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  line-height: var(--leading-normal);
}

/* ── Projects Section ── */
.projects {
  position: relative;
}

.project-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  padding: var(--space-3xl);
  transition: transform 0.6s var(--ease-out-expo), box-shadow 0.6s;
  transform-style: preserve-3d;
  perspective: 1000px;
}

.project-card__glow {
  position: absolute;
  inset: -50%;
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(0, 229, 255, 0.06) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.6s;
  pointer-events: none;
}

.project-card:hover .project-card__glow {
  opacity: 1;
}

.project-card__number {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  color: var(--color-accent-blue);
  margin-bottom: var(--space-xl);
}

.project-card__name {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.project-card__mission {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-xl);
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.project-card__link {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent-blue);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  transition: gap 0.3s var(--ease-out-expo);
}

.project-card__link:hover {
  gap: var(--space-md);
}

/* ── YouTube Section ── */
.youtube {
  position: relative;
}

.video-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-secondary);
  border: var(--glass-border);
  transition: transform 0.5s var(--ease-out-expo), box-shadow 0.5s;
}

.video-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
}

.video-card__thumbnail {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.video-card__thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out-expo);
}

.video-card:hover .video-card__thumbnail img {
  transform: scale(1.05);
}

.video-card__play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
  opacity: 0;
  transition: opacity 0.4s;
}

.video-card:hover .video-card__play {
  opacity: 1;
}

.video-card__play-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  transform: scale(0.8);
  transition: transform 0.4s var(--ease-spring);
}

.video-card:hover .video-card__play-btn {
  transform: scale(1);
}

.video-card__info {
  padding: var(--space-lg);
}

.video-card__title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-xs);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-card__meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  letter-spacing: var(--tracking-wide);
}

/* ── Knowledge Vault Section ── */
.knowledge {
  position: relative;
}

.knowledge-card {
  position: relative;
  padding: var(--space-2xl);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  transition: border-color 0.4s, transform 0.5s var(--ease-out-expo);
}

.knowledge-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
}

.knowledge-card__category {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent-purple);
  margin-bottom: var(--space-md);
}

.knowledge-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-md);
  line-height: var(--leading-snug);
}

.knowledge-card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-lg);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.knowledge-card__date {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  letter-spacing: var(--tracking-wide);
}

/* ── CTA Section ── */
.cta-section {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.cta-section__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(0, 229, 255, 0.05) 0%, transparent 70%);
  z-index: var(--z-behind);
}

.cta-section__heading {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 700;
  margin-bottom: var(--space-lg);
}

.cta-section__text {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 50ch;
  margin: 0 auto var(--space-2xl);
}

/* ── Contact / Mission Control ── */
.mission-control {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.mission-control__header {
  text-align: center;
  margin-bottom: var(--space-4xl);
}

.mission-control__status {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.mission-control__status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent-cyan);
  box-shadow: var(--color-glow-cyan);
  animation: pulse-glow 2s ease-in-out infinite;
}

/* ── Footer ── */
.footer {
  padding: var(--space-4xl) 0 var(--space-2xl);
  border-top: 1px solid var(--color-border);
}

.footer__grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-4xl);
  flex-wrap: wrap;
  gap: var(--space-2xl);
}

.footer__brand {
  max-width: 300px;
}

.footer__brand-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.footer__brand-desc {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  line-height: var(--leading-normal);
}

.footer__nav-title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-lg);
}

.footer__nav-link {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding: var(--space-xs) 0;
  transition: color 0.3s, transform 0.3s var(--ease-out-expo);
}

.footer__nav-link:hover {
  color: var(--color-accent-blue);
  transform: translateX(4px);
}

.footer__social {
  display: flex;
  gap: var(--space-md);
}

.footer__social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  transition: border-color 0.3s, background 0.3s, transform 0.3s var(--ease-spring);
}

.footer__social-link:hover {
  border-color: var(--color-accent-blue);
  background: rgba(0, 229, 255, 0.05);
  transform: translateY(-2px);
}

.footer__social-link svg {
  width: 18px;
  height: 18px;
  fill: var(--color-text-secondary);
  transition: fill 0.3s;
}

.footer__social-link:hover svg {
  fill: var(--color-accent-blue);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer__copy {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  letter-spacing: var(--tracking-wide);
}

.footer__legal {
  display: flex;
  gap: var(--space-lg);
}

.footer__legal a {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  letter-spacing: var(--tracking-wide);
  transition: color 0.3s;
}

.footer__legal a:hover {
  color: var(--color-text-secondary);
}

/* ── 404 Page ── */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.error-page__code {
  font-family: var(--font-display);
  font-size: clamp(8rem, 6rem + 10vw, 20rem);
  font-weight: 700;
  line-height: 0.9;
  background: var(--color-accent-gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.2;
}

.error-page__title {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent-blue);
  margin-bottom: var(--space-lg);
}

.error-page__text {
  color: var(--color-text-secondary);
  margin: 0 auto var(--space-2xl);
}

/* ── Single Post (Reading) ── */
.article {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: var(--space-5xl) var(--gutter) var(--space-section);
}

.article__meta {
  margin-bottom: var(--space-3xl);
}

.article__category {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent-blue);
  margin-bottom: var(--space-lg);
  display: inline-block;
}

.article__title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 700;
  line-height: var(--leading-tight);
  margin-bottom: var(--space-xl);
}

.article__date {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  letter-spacing: var(--tracking-wide);
}

.article__content {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

.article__content h2 {
  font-size: var(--text-2xl);
  margin: var(--space-3xl) 0 var(--space-lg);
}

.article__content h3 {
  font-size: var(--text-xl);
  margin: var(--space-2xl) 0 var(--space-md);
}

.article__content p {
  margin-bottom: var(--space-lg);
  max-width: none;
}

.article__content a {
  color: var(--color-accent-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.3s;
}

.article__content a:hover {
  color: var(--color-accent-cyan);
}

.article__content img {
  border-radius: var(--radius-md);
  margin: var(--space-2xl) 0;
}

.article__content blockquote {
  border-left: 2px solid var(--color-accent-blue);
  padding-left: var(--space-xl);
  margin: var(--space-2xl) 0;
  font-style: italic;
  color: var(--color-text-secondary);
}

.article__content code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--color-bg-secondary);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.article__content pre {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  margin: var(--space-2xl) 0;
  overflow-x: auto;
}

.article__content pre code {
  background: none;
  padding: 0;
}

.article__content ul, .article__content ol {
  margin: var(--space-lg) 0;
  padding-left: var(--space-xl);
}

.article__content li {
  margin-bottom: var(--space-sm);
  list-style: disc;
  color: var(--color-text-secondary);
}

.article__content ol li {
  list-style: decimal;
}

/* ── Legal Pages ── */
.legal {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: var(--space-5xl) var(--gutter) var(--space-section);
}

.legal__title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 700;
  margin-bottom: var(--space-xl);
}

.legal__updated {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-3xl);
}

.legal__content {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

.legal__content h2 {
  font-size: var(--text-xl);
  margin: var(--space-3xl) 0 var(--space-lg);
  color: var(--color-text-primary);
}

.legal__content p {
  margin-bottom: var(--space-lg);
  max-width: none;
}