@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap");

/* ── Design tokens ─────────────────────────────────────────── */
:root {
  --color-bg:             #08080d;
  --color-bg-elevated:    #0c0c14;
  --color-bg-card:        #0e0e18;
  --color-bg-hover:       #14142a;
  --color-border:         rgba(255, 255, 255, 0.06);
  --color-border-hover:   rgba(255, 255, 255, 0.12);
  --color-text:           #e8eaed;
  --color-text-secondary: #8b8fa3;
  --color-text-muted:     #4b5068;
  --color-accent:         #00e5ff;
  --color-accent-dim:     rgba(0, 229, 255, 0.08);
  --color-accent-border:  rgba(0, 229, 255, 0.2);
  --color-amber:          #f59e0b;
  --color-amber-dim:      rgba(245, 158, 11, 0.08);
  --color-amber-border:   rgba(245, 158, 11, 0.2);
  --color-success:        #00ff88;
  --color-success-dim:    rgba(0, 255, 136, 0.08);
  --font-display:         "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-body:            "Inter", system-ui, -apple-system, sans-serif;
  --font-mono:            "JetBrains Mono", "Fira Code", monospace;
  --radius:               3px;
  --transition:           0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:      0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Homepage shell ─────────────────────────────────────────── */

body.home-page {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.home-page main {
  padding-bottom: 0;
}

body.home-page .site-header.cover,
body.home-page header.cover {
  min-height: 32vh;
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
}

header.cover {
  min-height: 32vh;
  display: flex;
  flex-direction: column;
}

header .tc-l {
  padding-top: 3rem;
  padding-bottom: 1.5rem;
}

body.home-page .site-header.cover > div,
body.home-page header.cover > div {
  flex: 1;
  display: flex;
  flex-direction: column;
}

body.home-page header.cover .tc-l {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 3rem;
  padding-bottom: 1.5rem;
}

body.home-page header.cover h1 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.04em;
  font-size: clamp(2.5rem, 7vw, 5rem);
  line-height: 1.05;
  color: var(--color-text);
}

body.home-page header.cover h2 {
  font-family: var(--font-body);
  font-weight: 300;
  letter-spacing: 0.01em;
  max-width: 40rem;
  color: var(--color-text-secondary);
}

/* ── Landing layout ─────────────────────────────────────────── */

.home-landing {
  background: var(--color-bg);
}

.home-intro {
  max-width: 80rem;
  margin: 0 auto;
  padding: 3rem 2rem 0;
}

.home-intro__inner {
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  line-height: 1.75;
  max-width: 640px;
}

/* ── Stats strip (HUD readout) ─────────────────────────────── */

.home-stats {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  margin-top: 1.5rem;
  background: var(--color-bg-elevated);
}

.home-stats__inner {
  max-width: 80rem;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

@media (max-width: 768px) {
  .home-stats__inner {
    grid-template-columns: repeat(2, 1fr);
  }

  .home-stat:nth-child(2n)::after {
    display: none;
  }
}

.home-stat {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
}

.home-stat:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 1rem;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--color-border);
}

.home-stat:last-child::after,
.home-stat:nth-child(4n)::after {
  display: none;
}

.home-stat__value {
  font-family: var(--font-mono);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  color: var(--color-accent);
  line-height: 1;
  text-shadow: 0 0 20px rgba(0, 229, 255, 0.15);
}

.home-stat__value--skills {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--color-text);
  text-shadow: none;
  line-height: 1.4;
}

.home-stat__label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-text-secondary);
}

/* ── Showcase grid ──────────────────────────────────────────── */

.home-showcase {
  max-width: 80rem;
  margin: 0 auto;
  padding: 4rem 2rem 6rem;
}

.home-showcase__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
}

@media (min-width: 960px) {
  .home-showcase__grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: start;
  }
}

/* ── Section headers (HUD panel headers) ───────────────────── */

.home-section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.home-section-header::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 60px;
  height: 1px;
  background: var(--color-accent);
  box-shadow: 0 0 8px rgba(0, 229, 255, 0.3);
}

.home-section-header__index {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--color-text-muted);
  margin-bottom: 0.4rem;
}

.home-section-header__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: 0.3rem;
  text-shadow: 0 0 12px rgba(0, 229, 255, 0.2);
}

.home-section-header__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--color-text);
  line-height: 1.15;
}

.home-section-header__link {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.home-section-header__link:hover {
  color: var(--color-accent);
}

.home-section-header__arrow {
  display: inline-block;
  transition: transform var(--transition);
  font-size: 0.85rem;
}

.home-section-header__link:hover .home-section-header__arrow {
  transform: translateX(4px);
}

/* ── Experience timeline cards ──────────────────────────────── */

.home-timeline {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: relative;
}

.home-timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(
    to bottom,
    var(--color-accent-border),
    var(--color-border) 80%,
    transparent
  );
}

.home-card--experience {
  position: relative;
  margin-left: 1.5rem;
}

.home-card--experience::before {
  content: "";
  position: absolute;
  left: -1.6rem;
  top: 1.5rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-dim), 0 0 8px rgba(0, 229, 255, 0.2);
  z-index: 1;
  animation: pulse-dot 3s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 3px var(--color-accent-dim), 0 0 8px rgba(0, 229, 255, 0.15); }
  50% { box-shadow: 0 0 0 5px var(--color-accent-dim), 0 0 12px rgba(0, 229, 255, 0.25); }
}

/* ── Shared card styles ─────────────────────────────────────── */

.home-card {
  display: block;
  text-decoration: none;
  color: inherit;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative;
}

.home-card::before,
.home-card::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border-color: var(--color-accent);
  border-style: solid;
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
  z-index: 2;
}

.home-card::before {
  top: -1px;
  left: -1px;
  border-width: 1px 0 0 1px;
}

.home-card::after {
  bottom: -1px;
  right: -1px;
  border-width: 0 1px 1px 0;
}

.home-card:hover {
  border-color: var(--color-accent-border);
  transform: translateY(-2px);
  box-shadow: 0 4px 24px rgba(0, 229, 255, 0.06), 0 0 0 1px rgba(0, 229, 255, 0.08);
}

.home-card:hover::before,
.home-card:hover::after {
  opacity: 1;
}

.home-card--experience {
  display: grid;
  grid-template-columns: 150px 1fr;
}

@media (max-width: 540px) {
  .home-card--experience {
    grid-template-columns: 1fr;
  }
}

.home-card__media {
  position: relative;
  overflow: hidden;
  min-height: 120px;
}

.home-card--experience .home-card__media {
  min-height: 100%;
}

.home-card--project {
  display: grid;
  grid-template-columns: 150px 1fr;
}

@media (max-width: 540px) {
  .home-card--project {
    grid-template-columns: 1fr;
  }
}

.home-card--project .home-card__media {
  min-height: 100%;
  aspect-ratio: auto;
}

.home-card--project .home-card__overlay {
  background: linear-gradient(to right, transparent 30%, rgba(0, 0, 0, 0.2) 100%);
}

.home-card--project .home-card__body {
  padding: 1rem 1.15rem 1.15rem;
}

.home-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.home-card:hover .home-card__media img {
  transform: scale(1.04);
}

.home-card__media--placeholder {
  background: linear-gradient(135deg, #0a0a14 0%, #0d0d1a 50%, #111128 100%);
}

.home-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 50%);
  pointer-events: none;
}

.home-card--experience .home-card__overlay {
  background: linear-gradient(to right, transparent 30%, rgba(0, 0, 0, 0.2) 100%);
}

.home-card__body {
  padding: 1.25rem 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.home-card__date {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-muted);
}

.home-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-text);
  line-height: 1.3;
}

.home-card__desc {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--color-text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.home-card__cta {
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity var(--transition), transform var(--transition);
  text-shadow: 0 0 10px rgba(0, 229, 255, 0.2);
}

.home-card:hover .home-card__cta {
  opacity: 1;
  transform: translateY(0);
}

/* ── Projects grid ──────────────────────────────────────────── */

.home-panel {
  margin-bottom: 3rem;
}

.home-panel:last-child {
  margin-bottom: 0;
}

.home-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

@media (min-width: 540px) {
  .home-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .home-cards-grid {
    grid-template-columns: 1fr;
  }
}

.home-card--project .home-card__title {
  font-size: 0.92rem;
}

.home-card--project .home-card__desc {
  -webkit-line-clamp: 2;
  font-size: 0.8rem;
}

/* ── Talks list (data rows) ────────────────────────────────── */

.home-talks-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.home-talk {
  display: grid;
  grid-template-columns: 3.5rem 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1rem;
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  background: transparent;
  border: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition);
}

.home-talk--has-image {
  grid-template-columns: 48px 3.5rem 1fr auto;
}

.home-talk__thumb {
  width: 48px;
  height: 36px;
  border-radius: 2px;
  overflow: hidden;
  flex-shrink: 0;
  border: 1px solid var(--color-border);
}

.home-talk__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.home-talk:hover {
  background: var(--color-bg-card);
  border-color: var(--color-border);
}

.home-talk__date {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.1;
  padding: 0.35rem 0;
  border-right: 1px solid var(--color-border);
  padding-right: 0.75rem;
}

.home-talk__month {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

.home-talk__year {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--color-text-secondary);
}

.home-talk__title {
  margin: 0;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.35;
}

.home-talk__desc {
  margin: 0.15rem 0 0;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.home-talk__arrow {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  transition: transform var(--transition), color var(--transition);
}

.home-talk:hover .home-talk__arrow {
  color: var(--color-accent);
  transform: translateX(3px);
}

/* ── Scroll reveal ──────────────────────────────────────────── */

.home-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.home-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* stagger children */
.home-reveal:nth-child(2) { transition-delay: 0.06s; }
.home-reveal:nth-child(3) { transition-delay: 0.12s; }
.home-reveal:nth-child(4) { transition-delay: 0.18s; }
.home-reveal:nth-child(5) { transition-delay: 0.24s; }

/* ── Footer on homepage ─────────────────────────────────────── */

body.home-page footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

/* ── Responsive stats ───────────────────────────────────────── */

@media (max-width: 540px) {
  .home-stats__inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 2rem 1.5rem;
  }

  .home-stat::after {
    display: none !important;
  }

  .home-section-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .home-talk {
    grid-template-columns: 3rem 1fr auto;
    gap: 0.75rem;
  }

  .home-intro,
  .home-showcase {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }
}