:root {
  --bg: #0c0f14;
  --text: #ffffff;
  --muted: #b8b2aa;
  --accent: #ff6a3d;
  --panel: rgba(255, 255, 255, 0.05);
  --stroke: rgba(255, 255, 255, 0.1);
  --radius: 18px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Space Grotesk", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  padding: 40px 8vw;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

h1, h2, h3, h4 {
  font-family: "Playfair Display", serif;
  letter-spacing: 0.2px;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 60px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo {
  font-weight: 700;
  font-size: 1.2rem;
}

.site-nav {
  display: flex;
  gap: 20px;
  color: var(--muted);
}

.hero {
  margin-bottom: 80px;
  position: relative;
  z-index: 1;
  padding: 24px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    linear-gradient(135deg,
      rgba(255, 106, 61, 0.5) 0%,
      rgba(255, 105, 180, 0.5) 33%,
      rgba(0, 123, 255, 0.5) 66%,
      rgba(255, 106, 61, 0.4) 100%);
  border-radius: 20px;
  z-index: 0;
  pointer-events: none;
  box-shadow: 0 20px 60px rgba(255, 106, 61, 0.15);
}

.hero > * {
  position: relative;
  z-index: 2;
}

.hero > * {
  position: relative;
  z-index: 2;
}

.hero-value {
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: 8px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 10px;
}

.hero h1 {
  font-size: clamp(2.5rem, 4vw, 4.5rem);
  margin-bottom: 20px;
  line-height: 1.1;
}

.lede {
  max-width: 600px;
  color: var(--muted);
}

.hero-cta {
  display: flex;
  gap: 16px;
  margin-top: 24px;
}

.projects,
.skills,
.about,
.contact {
  margin-bottom: 100px;
}

.project-grid,
.skill-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card {
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  padding: 20px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover:not(:has(.project-preview)) {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
}

.card:has(.project-preview) {
  height: 480px;
  display: flex;
  flex-direction: column;
  transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  overflow: hidden;
}

.card:has(.project-preview):hover {
  transform: translateY(-12px) scale(1.05);
  height: 680px;
  box-shadow: 0 35px 70px rgba(0, 0, 0, 0.4);
  padding: 28px;
}

.card__text {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex-grow: 1;
  transition: all 0.4s ease;
}

.card:has(.project-preview):hover .card__text {
  -webkit-line-clamp: unset;
}

.card__extended {
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transform: translateY(-10px);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.1s;
  margin: 12px 0 16px;
}

.card:has(.project-preview):hover .card__extended {
  opacity: 1;
  max-height: 200px;
  transform: translateY(0);
}

.project-preview {
  margin-bottom: 16px;
  border-radius: 12px;
  border: 1px solid var(--stroke);
  overflow: hidden;
  background: #11151f;
  height: 170px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.card:has(.project-preview):hover .project-preview {
  transform: scale(1.03);
}

.project-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.card:has(.project-preview):hover .project-preview img {
  transform: scale(1.08);
}

.tags {
  margin: 8px 0 12px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.85rem;
  flex-shrink: 0;
}

.impact {
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 4px;
  flex-shrink: 0;
}

.card-details {
  opacity: 0;
  max-height: 0;
  transition: all 0.3s ease 0.2s;
}

.card:has(.project-preview):hover .card-details {
  opacity: 1;
  max-height: 120px;
}

.card-details summary {
  list-style: none;
  cursor: pointer;
  font-weight: 500;
  color: var(--accent);
}

.card-details summary::-webkit-details-marker {
  display: none;
}

.card-more {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.9rem;
}

.project-links {
  opacity: 0;
  transform: translateY(15px);
  transition: all 0.3s ease 0.3s;
  margin-top: auto;
  display: flex;
  gap: 10px;
}

.card:has(.project-preview):hover .project-links {
  opacity: 1;
  transform: translateY(0);
}

.btn, .lang-toggle {
  background: var(--accent);
  color: #10121b;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn:hover, .lang-toggle:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 106, 61, 0.3);
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--stroke);
  color: var(--text);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.05);
}

.btn-small {
  padding: 8px 14px;
  font-size: 0.85rem;
}

.contact {
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
}

.contact h2 {
  margin-bottom: 16px;
}

.contact p {
  margin-bottom: 32px;
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.contact-links {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.contact-links a {
  border: 2px solid var(--accent);
  border-radius: 999px;
  padding: 10px 20px;
  color: var(--text);
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  position: relative;
  background: transparent;
}

.contact-links a:hover {
  background: var(--accent);
  color: var(--bg);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(255, 106, 61, 0.3);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--stroke);
  background: transparent;
  color: var(--text);
  padding: 8px 12px;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
}

.nav-toggle:hover {
  background: var(--panel);
}

@media (max-width: 700px) {
  .skill-grid {
    grid-template-columns: 1fr;
  }
  .site-header {
    flex-direction: column;
    gap: 16px;
  }
  .header-actions {
    width: 100%;
    justify-content: center;
  }
  .hero-cta {
    flex-direction: column;
  }
  .site-nav {
    display: none;
    flex-direction: column;
    gap: 12px;
    margin-top: 12px;
  }
  .site-nav.is-open {
    display: flex;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .card:has(.project-preview) {
    height: 460px;
  }
  .card:has(.project-preview):hover {
    height: 640px;
    transform: translateY(-8px) scale(1.02);
  }
}

.btn-disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  align-items: center;
}

.about-highlight {
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  padding: 20px;
  color: var(--muted);
}

.site-footer {
  text-align: center;
  padding: 40px 0;
  border-top: 1px solid var(--stroke);
  opacity: 0.8;
}

.site-footer a:hover {
  color: var(--accent);
}