:root {
  color-scheme: dark;
  --bg: #0f1012;
  --bg-soft: #17181b;
  --card: rgba(26, 27, 30, 0.7);
  --card-solid: #1f2024;
  --text: #f2f2f0;
  --muted: #b3b3b0;
  --gold: #c9a36a;
  --gold-soft: rgba(201, 163, 106, 0.2);
  --accent: #5c4122;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --radius: 18px;
  --radius-lg: 28px;
  --transition: 200ms ease;
  --texture: radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.04), transparent 55%),
             radial-gradient(circle at 80% 0%, rgba(255, 255, 255, 0.03), transparent 40%),
             linear-gradient(120deg, rgba(255, 255, 255, 0.02), transparent 40%);
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f6f2eb;
  --bg-soft: #ffffff;
  --card: rgba(255, 255, 255, 0.85);
  --card-solid: #ffffff;
  --text: #151515;
  --muted: #4a4a4a;
  --gold: #a1763c;
  --gold-soft: rgba(161, 118, 60, 0.18);
  --accent: #c39a5e;
  --border: rgba(0, 0, 0, 0.08);
  --shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", "Helvetica Neue", "Arial", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  background-image: var(--texture);
}

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

img {
  max-width: 100%;
  display: block;
}

.section {
  padding: 96px 6vw;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.section-header h2 {
  font-size: clamp(1.8rem, 2.8vw, 2.6rem);
  letter-spacing: 0.02em;
}

.section-header p {
  color: var(--muted);
  max-width: 520px;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent);
  width: 0;
  z-index: 2000;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 10, 12, 0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 6vw;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.brand-mark {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 18px var(--gold);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-links a {
  font-size: 0.95rem;
  color: var(--muted);
  transition: color var(--transition);
}

.nav-links a:hover,
.nav-links a:focus {
  color: var(--text);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
  transition: var(--transition);
}

.theme-toggle {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  border-radius: 999px;
  padding: 6px 12px;
  cursor: pointer;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 48px;
  padding: 140px 6vw 90px;
  align-items: center;
}

.hero-media {
  width: min(360px, 80vw);
  aspect-ratio: 1 / 1;
  min-height: 0;
  border-radius: 50%;
  background: linear-gradient(140deg, rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0.2)),
              radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.1), transparent 55%);
  background-size: cover;
  background-position: center 20%;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  margin-inline: auto;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.55));
}

.hero-content h1 {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  letter-spacing: 0.02em;
}

.hero-ar {
  font-size: 1.2rem;
  color: var(--muted);
  margin: 8px 0 16px;
}

.hero-tagline {
  font-size: 1.1rem;
  max-width: 520px;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin: 26px 0;
}

.hero-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.9rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.7rem;
  color: var(--gold);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 999px;
  background: var(--gold);
  color: #1c1408;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 12px 24px rgba(201, 163, 106, 0.3);
}

.btn:hover,
.btn:focus {
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(201, 163, 106, 0.4);
}

.btn.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.about-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.about-card ul {
  list-style: none;
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 22px;
}

.highlight-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), border-color var(--transition);
}

.highlight-card:hover {
  transform: translateY(-6px);
  border-color: var(--gold-soft);
}

.highlight-card .icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--gold-soft);
  margin-bottom: 16px;
}

.highlight-card svg {
  width: 24px;
  height: 24px;
  fill: var(--gold);
}

.portfolio-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.controls-right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-btn {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
  color: var(--text);
  border-color: var(--gold);
}

.search input {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 16px;
  color: var(--text);
  min-width: 220px;
}

.diagnostic-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}

.diagnostic-toggle input {
  accent-color: var(--gold);
}

.gallery {
  column-count: 4;
  column-gap: 18px;
}

.gallery-card {
  break-inside: avoid;
  margin-bottom: 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow);
  cursor: pointer;
}

.gallery-card .media {
  position: relative;
  width: 100%;
  min-height: 180px;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0));
}

.gallery-card img {
  width: 100%;
  height: auto;
  display: block;
  opacity: 0;
  transition: opacity var(--transition);
}

.gallery-card.loaded img {
  opacity: 1;
}

.gallery-card .skeleton {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.05));
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
}

.gallery-card .overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 18px;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.05), rgba(0, 0, 0, 0.75));
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--transition), transform var(--transition);
}

.gallery-card:hover .overlay,
.gallery-card:focus-within .overlay {
  opacity: 1;
  transform: translateY(0);
}

.overlay h4 {
  font-size: 1.05rem;
}

.overlay .caption {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 6px;
}

.overlay .pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  background: var(--gold-soft);
  color: var(--text);
  padding: 4px 10px;
  border-radius: 999px;
  margin-top: 10px;
}

.placeholder {
  display: grid;
  place-items: center;
  min-height: 220px;
  color: var(--muted);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(0, 0, 0, 0.2));
}

.diagnostics {
  padding: 12px 16px 16px;
  color: var(--muted);
  font-size: 0.75rem;
  border-top: 1px solid var(--border);
  display: none;
}

.gallery-card.show-diagnostics .diagnostics {
  display: block;
}

.timeline {
  display: grid;
  gap: 20px;
}

.timeline-item {
  padding: 20px 24px;
  border-left: 2px solid var(--gold);
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.timeline-item span {
  color: var(--muted);
  font-size: 0.9rem;
}

.experience-note {
  margin-top: 18px;
  color: var(--muted);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-bottom: 28px;
}

.skill {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}

.skill-bar {
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  margin-top: 10px;
  overflow: hidden;
}

.skill-bar span {
  display: block;
  height: 100%;
  width: var(--level, 80%);
  background: linear-gradient(90deg, var(--gold), transparent);
}

.lang-style {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
}

.lang-style h3 {
  margin-bottom: 10px;
}

.lang-style ul {
  list-style: none;
  display: grid;
  gap: 10px;
  color: var(--muted);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-bottom: 28px;
}

.contact-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  display: grid;
  gap: 8px;
  box-shadow: var(--shadow);
}

.whatsapp-link,
.call-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 12px;
  width: fit-content;
}

.whatsapp-link svg {
  width: 18px;
  height: 18px;
  fill: #25d366;
}

.copy-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 999px;
  padding: 6px 12px;
  cursor: pointer;
  justify-self: start;
}

.contact-form {
  display: grid;
  gap: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-top: 6px;
  background: var(--bg-soft);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
}

.footer {
  padding: 40px 6vw 60px;
  text-align: center;
  color: var(--muted);
}

.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 26px;
  background: var(--gold);
  border: none;
  color: #1c1408;
  border-radius: 999px;
  padding: 10px 14px;
  cursor: pointer;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  z-index: 1200;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 90px;
  background: var(--card-solid);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 18px;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 1400;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.lightbox {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1500;
}

.lightbox.active {
  display: flex;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
}

.lightbox-content {
  position: relative;
  max-width: min(92vw, 980px);
  width: 100%;
  background: var(--card-solid);
  border-radius: var(--radius-lg);
  padding: 24px 24px 32px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 16px;
}

.lightbox-body {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 18px;
  align-items: start;
}

.lightbox-media {
  background: var(--bg-soft);
  border-radius: 18px;
  min-height: 320px;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.lightbox-media img {
  width: 100%;
  height: auto;
  display: block;
}

.lightbox-close {
  position: absolute;
  top: 14px;
  right: 18px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 999px;
  width: 36px;
  height: 36px;
  cursor: pointer;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 999px;
  width: 36px;
  height: 36px;
  cursor: pointer;
}

.lightbox-nav.prev { left: 10px; }
.lightbox-nav.next { right: 10px; }

.pill {
  display: inline-flex;
  background: var(--gold-soft);
  color: var(--text);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@keyframes shimmer {
  0% { background-position: 0% 0; }
  100% { background-position: -200% 0; }
}

@media (max-width: 1100px) {
  .gallery { column-count: 3; }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 110px;
  }
  .hero-media {
    width: min(320px, 78vw);
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .lightbox-body {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 64px;
    right: 6vw;
    background: var(--card-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    flex-direction: column;
    padding: 14px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .gallery { column-count: 2; }
}

@media (max-width: 560px) {
  .section { padding: 80px 6vw; }
  .gallery { column-count: 1; }
  .hero-actions { flex-direction: column; }
}

@media print {
  :root {
    color-scheme: light;
  }
  body {
    background: #ffffff;
    color: #111111;
    background-image: none;
  }
  .site-header,
  .scroll-progress,
  .back-to-top,
  .toast,
  .nav-toggle,
  .theme-toggle,
  .diagnostic-toggle,
  .filter-group,
  .search,
  .lightbox {
    display: none !important;
  }
  .section {
    padding: 36px 6vw;
    page-break-inside: avoid;
  }
  .hero {
    padding: 40px 6vw 20px;
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
  .hero-media {
    width: 220px;
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    box-shadow: none;
    border: 1px solid #ddd;
    margin-inline: 0;
  }
  .hero-media::after {
    display: none;
  }
  .card-grid,
  .skills-grid,
  .contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .gallery {
    column-count: 2;
  }
  .gallery-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #e2e2e2;
  }
  .overlay {
    display: none;
  }
  .diagnostics {
    display: none !important;
  }
  .contact-form {
    display: none;
  }
  a {
    color: #111111;
    text-decoration: none;
  }
  .whatsapp-link,
  .call-link,
  .copy-btn {
    border: 1px solid #dcdcdc;
  }
}