.hero {
  min-height: calc(100vh - 96px);
  display: grid;
  align-items: center;
}

.hero h1 {
  font-family: 'Sora', sans-serif;
  font-size: clamp(2.3rem, 5vw, 4.8rem);
  line-height: 1.05;
  margin: 0 0 0.9rem;
}

.hero .tagline {
  font-family: 'Sora', sans-serif;
  font-size: clamp(1.2rem, 2.4vw, 1.8rem);
  color: var(--text-soft);
  margin: 0 0 1.2rem;
  max-width: 64ch;
  font-weight: 500;
}

.hero p {
  margin: 0;
  max-width: 64ch;
  color: var(--text-soft);
}

.cta-row {
  margin-top: 1.3rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--line);
  padding: 0.7rem 1.1rem;
  font-weight: 600;
  transition: transform 160ms ease, border-color 160ms ease;
}

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

.btn.primary {
  background: linear-gradient(125deg, var(--accent), var(--accent-2));
  color: #fff;
  border: none;
}

.metrics {
  list-style: none;
  padding: 0;
  margin: 1.4rem 0 0;
  display: grid;
  gap: 0.7rem;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.metrics strong {
  display: block;
  font-size: 1.6rem;
  font-family: 'Sora', sans-serif;
}

.project-list,
.social-grid,
.cv-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1rem;
}

.project {
  grid-column: span 4;
}

.project h3,
.social-card h3,
.cv-item h3 {
  margin: 0;
  font-size: 1.1rem;
}

.project p,
.social-card p,
.cv-item p {
  margin: 0.65rem 0 0;
  color: var(--text-soft);
}

.social-card {
  grid-column: span 6;
}

.cv-item {
  grid-column: span 6;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.8rem;
}

.tag {
  border-radius: 999px;
  border: 1px solid var(--line);
  padding: 0.18rem 0.55rem;
  font-size: 0.78rem;
  color: var(--text-soft);
}

.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.contact-copy {
  background: var(--surface-2);
}

.contact-form {
  display: grid;
  gap: 0.8rem;
}

.contact-form label {
  font-size: 0.92rem;
  color: var(--text-soft);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-top: 0.3rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.66rem 0.8rem;
  background: var(--surface);
  color: var(--text);
}

.contact-form textarea {
  min-height: 145px;
  resize: vertical;
}

.note {
  font-size: 0.8rem;
  color: var(--text-soft);
}

.portfolio-split {
  --split-gap: clamp(1.5rem, 3vw, 3.5rem);
  --left-col: calc((min(1700px, 98vw) - var(--split-gap)) * 0.33);
  --right-col: calc((min(1700px, 98vw) - var(--split-gap)) * 0.67);
  --shell-left: calc((100vw - min(1700px, 98vw)) / 2);
  min-height: calc(100vh - 96px);
  display: block;
}

.portfolio-left {
  position: fixed;
  top: 112px;
  left: var(--shell-left);
  width: var(--left-col);
}

.portfolio-left h1 {
  font-family: 'Sora', sans-serif;
  font-size: clamp(2.3rem, 4vw, 4.2rem);
  line-height: 1.05;
  margin: 0.75rem 0 0.9rem;
}

.portfolio-left p {
  margin: 0;
  max-width: 44ch;
  font-size: clamp(1rem, 1.15vw, 1.22rem);
  line-height: 1.62;
  color: var(--text-soft);
}

.timeline-wrap {
  position: relative;
  display: grid;
  gap: 1.15rem;
  padding-left: 2rem;
  width: var(--right-col);
  margin-left: calc(var(--left-col) + var(--split-gap));
}

.timeline-wrap::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0.42rem;
  width: 1px;
  background: color-mix(in srgb, var(--line) 70%, transparent);
}

.timeline-item {
  position: relative;
  margin: 0;
  padding: 0.95rem 0 0.95rem 1.2rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -1.2rem;
  top: 1.55rem;
  width: 1.1rem;
  border-top: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
}

.timeline-item::after {
  content: '';
  position: absolute;
  left: -1.73rem;
  top: 1.32rem;
  width: 0.46rem;
  height: 0.46rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--accent) 18%, transparent);
}

@media (max-width: 920px) {
  .hero {
    min-height: auto;
    align-items: start;
  }

  .portfolio-split {
    --split-gap: 1rem;
    --left-col: auto;
    --right-col: auto;
    --shell-left: auto;
    min-height: auto;
  }

  .portfolio-left {
    position: static;
    top: auto;
    left: auto;
    width: auto;
  }

  .timeline-wrap {
    padding-left: 1.6rem;
    width: auto;
    margin-left: 0;
  }

  .timeline-wrap::before {
    left: 0.28rem;
  }

  .timeline-item::after {
    left: -1.87rem;
  }
}

@media (max-width: 920px) {
  .project,
  .social-card,
  .cv-item {
    grid-column: span 12;
  }

  .contact-wrap {
    grid-template-columns: 1fr;
  }
}