/* ==========================================================================
   sections.css — per-section visual styling
   ========================================================================== */

/* ---- Home ---- */
.home-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 4rem;
  align-items: center;
  max-height: 80vh;
}

.home-title {
  font-size: clamp(2.75rem, 7vw, 5.5rem);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.home-name {
  color: var(--color-text);
}

.home-sub {
  margin-top: 1.5rem;
  max-width: 34ch;
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: var(--color-text-muted);
}

.home-cta {
  margin-top: 2.5rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-primary,
.btn-ghost {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.9rem 1.6rem;
  border-radius: 0;
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
  border: 1px solid var(--color-text);
}

.btn-primary {
  background: var(--color-text);
  color: var(--color-bg);
  border-color: var(--color-text);
}

.btn-primary:hover {
  transform: translateY(-2px);
  background: transparent;
  color: var(--color-text);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-text);
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}

.btn-ghost:hover {
  transform: translateY(-2px);
  background: var(--color-text);
  color: var(--color-bg);
}

.home-photo {
  position: relative;
  width: 100%;
  max-width: 340px;
  /* Faded grid background - increased visibility */
  background-image: 
    linear-gradient(to right, rgba(245, 245, 245, 0.15) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(245, 245, 245, 0.15) 1px, transparent 1px);
  background-size: 20px 20px;
  background-position: 0 0;
  padding: 0;
}

/* Top-right L-bracket */
.home-photo::after {
  content: '';
  position: absolute;
  top: -8px;
  right: -8px;
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-text);
  border-left: none;
  border-bottom: none;
  z-index: 2;
  opacity: 0.9;
}

/* Bottom-left L-bracket */
.home-photo::before {
  content: '';
  position: absolute;
  bottom: -8px;
  left: -8px;
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-text);
  border-right: none;
  border-top: none;
  z-index: 2;
  opacity: 0.9;
}

.home-photo img {
  width: 100%;
  filter: grayscale(1) contrast(1.05);
  position: relative;
  z-index: 1;
  display: block;
}

/* ---- Shared section heading ---- */
.section-title {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  margin-top: 0.75rem;
  margin-bottom: 2.5rem;
}

/* ---- About ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-copy p {
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  max-width: 62ch;
  font-size: 1.02rem;
}

.about-stats {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  justify-content: center;
  height: 100%;
}

.stat-block {
  border-top: 1px solid var(--color-border);
  padding-top: 0.75rem;
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--color-gray-mid);
  letter-spacing: 0.05em;
}

/* ---- Experience ---- */
.experience-inner {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.timeline {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding-right: 0.5rem;
}

.timeline-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 1.25rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
  cursor: default;
}

.timeline-item:last-child {
  border-bottom: none;
}

.timeline-logo {
  width: 56px;
  height: 56px;
  object-fit: contain;
  border-radius: 4px;
  filter: grayscale(1);
  border: 1px solid var(--color-border);
  background: #ffffff;
  padding: 4px;
  transition: filter var(--dur-med) var(--ease-out);
}

.timeline-item:hover .timeline-logo {
  filter: grayscale(0);
}

.timeline-date {
  display: block;
  margin-bottom: 0.35rem;
}

.timeline-body h3 {
  font-size: 1.15rem;
  margin-bottom: 0.15rem;
}

.timeline-org {
  font-size: 0.9rem;
  color: var(--color-gray-mid);
  margin-bottom: 0.5rem;
}

.timeline-body p:last-child {
  color: var(--color-text-muted);
  max-width: 60ch;
  font-size: 0.95rem;
}

/* ---- Projects / carousel ---- */
.projects-inner {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.carousel {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform var(--dur-slow) var(--ease-out);
}

.project-card {
  flex: 0 0 100%;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
  align-items: center;
  padding: 0 3.5rem;
}

.project-thumb {
  width: 100%;
  border: 1px solid var(--color-border);
  aspect-ratio: 2.14/1;
  object-fit: cover;
}

.project-body h3 {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  margin: 0.5rem 0 0.75rem;
}

.project-body p {
  color: var(--color-text-muted);
  max-width: 48ch;
  margin-bottom: 1rem;
}

.project-link {
  display: inline-block;
  margin-top: 1rem;
  text-decoration: none;
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  color: var(--color-text);
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
  z-index: 5;
}

.carousel-arrow-glyph {
  font-size: 1.1rem;
  line-height: 1;
  display: inline-block;
  transition: transform var(--dur-fast) var(--ease-out);
}

.carousel-arrow:hover {
  border-color: var(--color-text);
  background: var(--color-text);
  color: var(--color-bg);
}

.carousel-arrow--prev:hover .carousel-arrow-glyph {
  transform: translateX(-3px);
}

.carousel-arrow--next:hover .carousel-arrow-glyph {
  transform: translateX(3px);
}

.carousel-arrow:disabled {
  opacity: 0.3;
  cursor: default;
}

.carousel-arrow:disabled:hover {
  background: var(--color-bg-alt);
  color: var(--color-text);
  border-color: var(--color-border);
}

.carousel-arrow--prev { left: 0.5rem; }
.carousel-arrow--next { right: 0.5rem; }

.carousel-dots {
  display: none;
}

/* ---- Skills ---- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.25rem 3rem;
}

.skill-category h3 {
  font-size: 1rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-gray-mid);
  font-weight: 500;
  margin-bottom: 0.9rem;
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.pill {
  font-size: 0.95rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 100px;
  transition: border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}

.pill:hover {
  border-color: var(--color-text);
  background: var(--color-bg-alt);
}

/* ---- Contact ---- */
.contact-inner {
  text-align: left;
}

.contact-sub {
  color: var(--color-text-muted);
  max-width: 48ch;
  margin-bottom: 2.5rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
  max-width: 580px;
  transition: gap var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}

.contact-link > span:last-child {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.contact-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.contact-link:hover {
  gap: 1.5rem;
  color: var(--color-gray-mid);
}

.contact-footer {
  opacity: 0.6;
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .home-inner {
    grid-template-columns: 1fr;
    text-align: left;
    max-height: none;
    position: relative;
  }

  .home-content {
    position: relative;
    z-index: 2;
    padding-top: 5rem;
  }

  /* Mobile placement: photo positioned top-right, larger and more prominent */
  .home-photo {
    position: absolute;
    top: 2rem;
    right: 0;
    width: min(45vw, 180px);
    z-index: 1;
    margin-bottom: 0;
  }

  .home-title {
    padding-right: 48%;
    margin-top: 5rem;
  }

  /* About content (copy + stats stacked) can exceed the viewport height
     on mobile. Let it scroll within the section, same pattern as
     .timeline, so the stats block is never permanently unreachable. */
  .about-inner {
    height: 100%;
    max-height: 100%;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    flex: 1;
  }

  .about-stats {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1.5rem 2rem;
  }

  .stat-block {
    flex: 1 1 120px;
  }

  .project-card {
    grid-template-columns: 1fr;
    padding: 0 3.5rem;
    gap: 1.5rem;
  }

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

  /* Ensure skills inner is scrollable if content exceeds viewport */
  .skills-inner {
    height: 100%;
    max-height: 100%;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
  }

  .skills-grid {
    padding-bottom: 4rem;
  }
}

/* Large monitor support (1920px+) */
@media (min-width: 1920px) {
  .home-inner {
    max-width: 1400px;
    margin: 0 auto;
  }

  .section-inner {
    max-width: 1400px;
  }

  .home-photo {
    max-width: 400px;
  }
}

@media (max-width: 600px) {
  .home-title {
    font-size: clamp(2.1rem, 9vw, 2.75rem);
    padding-right: 48%;
  }

  .home-sub {
    margin-top: 1rem;
    font-size: 0.95rem;
  }

  .home-cta {
    margin-top: 1.5rem;
  }

  .home-photo {
    width: min(40vw, 150px);
  }

  .timeline-item {
    grid-template-columns: 44px 1fr;
    gap: 0.9rem;
  }

  .timeline-logo {
    width: 44px;
    height: 44px;
  }

  .carousel-arrow {
    width: 36px;
    height: 36px;
  }

  .carousel-arrow svg {
    width: 16px;
    height: 16px;
  }

  .carousel-arrow--prev { left: 0.25rem; }
  .carousel-arrow--next { right: 0.25rem; }

  .project-card {
    padding: 0 4rem;
  }

  .contact-link {
    flex-direction: column;
    gap: 0.25rem;
  }
}