:root {
  --bg: #f4f0e7;
  --surface: #fff9ef;
  --surface-strong: #fffdf7;
  --text: #1f1f1f;
  --muted: #5d5a54;
  --primary: #1554d1;
  --primary-ink: #e8f0ff;
  --accent: #d45500;
  --line: #d3ccc1;
  --bg-gradient-1: #ffd9b3;
  --bg-gradient-2: #d4e4ff;
  --radius: 18px;
  --shadow: 0 16px 40px rgba(15, 26, 42, 0.08);
}

[data-theme="dark"] {
  --bg: #121518;
  --surface: #1a1f24;
  --surface-strong: #161b20;
  --text: #f1f4f7;
  --muted: #adb6c0;
  --primary: #71a7ff;
  --primary-ink: #081224;
  --accent: #ff9d62;
  --line: #2e3741;
  --bg-gradient-1: #3a2416;
  --bg-gradient-2: #1d2940;
  --shadow: 0 18px 42px rgba(0, 0, 0, 0.35);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  min-height: 100%;
  background:
    radial-gradient(circle at 20% 10%, var(--bg-gradient-1) 0%, rgba(255, 217, 179, 0) 30%),
    radial-gradient(circle at 80% 0%, var(--bg-gradient-2) 0%, rgba(212, 228, 255, 0) 35%),
    var(--bg);
}

body {
  margin: 0;
  font-family: "Space Grotesk", system-ui, sans-serif;
  color: var(--text);
  min-height: 100vh;
  background: transparent;
  line-height: 1.6;
  transition: background-color 220ms ease, color 220ms ease;
}

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

.site-header,
.section,
.site-footer,
.hero {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  backdrop-filter: blur(7px);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  position: relative;
}

.brand {
  font-family: "IBM Plex Mono", monospace;
  font-weight: 500;
  letter-spacing: 0.02em;
  font-size: clamp(0.95rem, 1.8vw, 1.08rem);
}

.site-nav {
  display: flex;
  gap: 1.2rem;
}

.site-nav a {
  color: var(--muted);
}

.site-nav a:hover {
  color: var(--primary);
}

.menu-toggle {
  display: none;
}

.theme-toggle,
.lang-toggle {
  border: 1px solid var(--line);
  background: var(--surface-strong);
  color: var(--text);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
  font: inherit;
  cursor: pointer;
  white-space: nowrap;
}

.theme-toggle:hover,
.lang-toggle:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.hero {
  min-height: 72vh;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  grid-template-areas: "image content";
  align-items: center;
  gap: 2rem;
  padding: 3rem 0;
}

.hero-content {
  grid-area: content;
}

.hero-content h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.05;
  margin: 0.3rem 0 1rem;
}

.tag {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-copy {
  max-width: 56ch;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  gap: 0.85rem;
  margin-top: 1.4rem;
}

.hero-shape {
  height: 340px;
  border-radius: 30px;
  background:
    linear-gradient(130deg, rgba(21, 84, 209, 0.94), rgba(12, 39, 89, 0.9)),
    repeating-linear-gradient(
      45deg,
      rgba(255, 255, 255, 0.06) 0,
      rgba(255, 255, 255, 0.06) 8px,
      transparent 8px,
      transparent 16px
    );
  box-shadow: var(--shadow);
}

.hero-image {
  grid-area: image;
  width: 100%;
  max-width: 360px;
  height: 340px;
  border-radius: 30px;
  object-fit: cover;
  box-shadow: var(--shadow);
  justify-self: start;
  border: 1px solid var(--line);
}

.section {
  padding: 3rem 0;
}

.section-alt {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem;
}

.section-kicker {
  font-family: "IBM Plex Mono", monospace;
  color: var(--muted);
  margin: 0;
}

.section-head h2 {
  margin: 0.2rem 0 1.5rem;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
}

.section-head-centered {
  text-align: center;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.card h3 {
  margin-top: 0.2rem;
}

.card p {
  color: var(--muted);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.8rem;
}

.chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.cv-layout {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  margin-bottom: 1.2rem;
}

.cv-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  background: var(--surface-strong);
}

.cv-card ul {
  margin: 0;
  padding-left: 1rem;
}

.pill-list {
  list-style: none;
  padding-left: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pill-list li {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
}

.article-list {
  display: grid;
  gap: 0.9rem;
}

.article-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.article-item p {
  margin: 0.3rem 0 0;
  color: var(--muted);
}

.experience-list {
  display: grid;
  gap: 0.9rem;
}

.project-list {
  display: grid;
  gap: 0.9rem;
}

.project-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: start;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.project-main h3 {
  margin: 0;
  line-height: 1.3;
}

.project-main p {
  margin: 0.5rem 0 0;
  color: var(--muted);
}

.project-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.55rem;
}

.project-actions .btn {
  white-space: nowrap;
  min-width: 104px;
  text-align: center;
}

.experience-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: start;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.experience-main h3 {
  margin: 0;
  line-height: 1.3;
}

.experience-main p {
  margin: 0.5rem 0 0;
}

.clickable-card {
  cursor: pointer;
  transition: border-color 180ms ease, transform 180ms ease;
}

.clickable-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.experience-meta {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.experience-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.55rem;
}

.experience-actions .btn {
  white-space: nowrap;
  min-width: 104px;
  text-align: center;
}

.gallery-message {
  color: var(--muted);
  margin: 0.2rem 0 1rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.gallery-card {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.gallery-card img {
  display: block;
  width: 100%;
  height: 260px;
  object-fit: cover;
  cursor: zoom-in;
}

.image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(8, 10, 14, 0.88);
  padding: 1.2rem;
}

.image-lightbox.open {
  display: flex;
}

.lightbox-image {
  max-width: min(1200px, 96vw);
  max-height: 90vh;
  width: auto;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--text);
  width: 2.2rem;
  height: 2.2rem;
  font: inherit;
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
}

.btn {
  display: inline-block;
  border-radius: 999px;
  padding: 0.58rem 1rem;
  border: 1px solid transparent;
  font-weight: 500;
}

.btn-primary {
  background: var(--primary);
  color: var(--primary-ink);
}

.btn-primary:hover {
  filter: brightness(1.07);
}

.btn-ghost {
  border-color: var(--line);
}

.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.site-footer {
  text-align: center;
  padding: 3rem 0;
}

.site-footer small {
  display: block;
}

.footer-updated {
  color: var(--muted);
  margin-top: 0.35rem;
}

.footer-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin: 1rem 0;
}

.footer-links a {
  color: var(--primary);
}

.footer-links a.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  background: var(--surface-strong);
  transition: border-color 180ms ease, color 180ms ease;
}

.footer-links a.social-link:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.footer-links a.social-link svg {
  width: 1rem;
  height: 1rem;
  fill: currentColor;
  flex-shrink: 0;
}

.contact-card {
  text-align: center;
}

.contact-card .footer-links {
  justify-content: center;
  align-items: center;
  width: 100%;
}

@media (max-width: 1024px) {
  .site-header,
  .section,
  .site-footer,
  .hero {
    width: min(1100px, 94vw);
  }

  .hero {
    min-height: 62vh;
    gap: 1.4rem;
    padding: 2.2rem 0;
  }

  .hero-shape {
    height: 270px;
  }

}

@media (max-width: 840px) {
  .site-header {
    padding: 0.75rem 0;
  }

  .header-right {
    gap: 0.5rem;
  }

  .theme-toggle,
  .lang-toggle {
    padding: 0.34rem 0.65rem;
    font-size: 0.88rem;
  }

  .hero {
    grid-template-columns: 1fr;
    grid-template-areas:
      "content"
      "image";
    min-height: auto;
    padding-top: 1.2rem;
    gap: 1.2rem;
  }

  .hero-shape {
    height: 200px;
  }


  .hero-image {
    justify-self: start;
    height: 220px;
    max-width: 100%;
  }
  

  .site-nav {
    position: absolute;
    top: 58px;
    right: 0;
    min-width: 190px;
    flex-direction: column;
    background: var(--surface-strong);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 0.8rem;
    box-shadow: var(--shadow);
    display: none;
  }

  .site-nav.open {
    display: flex;
  }

  .menu-toggle {
    display: inline-block;
    background: transparent;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 0.35rem 0.8rem;
    font: inherit;
    color: var(--text);
  }

  .article-item {
    grid-template-columns: 1fr;
  }

  .project-item {
    grid-template-columns: 1fr;
  }

  .experience-item {
    grid-template-columns: 1fr;
  }

  .project-actions,
  .experience-actions {
    align-items: flex-start;
  }

  .footer-links {
    flex-wrap: wrap;
    row-gap: 0.5rem;
  }
}

@media (max-width: 560px) {
  .site-header,
  .section,
  .site-footer,
  .hero {
    width: min(1100px, 95vw);
  }

  .brand {
    max-width: 46vw;
    line-height: 1.2;
  }

  .section {
    padding: 2.2rem 0;
  }

  .section-alt {
    padding: 1.1rem;
    border-radius: 14px;
  }

  .hero-content h1 {
    font-size: clamp(1.7rem, 9vw, 2.1rem);
  }

  .hero-copy {
    font-size: 0.97rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .btn {
    text-align: center;
    width: 100%;
  }

  .card {
    padding: 0.9rem;
  }

  .chip {
    font-size: 0.76rem;
  }

  .site-nav {
    top: 54px;
    right: -2px;
  }

  .footer-links a:last-child {
    word-break: break-all;
  }
}