/* ─── CSS Custom Properties ───────────────────────────────────────────── */
:root {
  --bg:           #0a0c10;
  --bg-surface:   #12151c;
  --bg-card:      #181c27;
  --bg-card-hover:#1e2333;
  --border:       rgba(255,255,255,0.06);
  --border-hover: rgba(255,255,255,0.14);
  --text-primary: #eaedf3;
  --text-muted:   #7a8196;
  --accent:       #d4a030;
  --accent-soft:  #c49328;
  --accent-glow:  rgba(212,160,48,0.22);
  --accent-glow-strong: rgba(212,160,48,0.40);
  --tag-bg:       rgba(212,160,48,0.10);
  --tag-color:    #e8c060;
  --glass:        rgba(255,255,255,0.03);
  --glass-border: rgba(255,255,255,0.08);
  --radius:       14px;
  --radius-sm:    8px;
  --transition:   0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans:    'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono:    'Cascadia Code', 'Fira Code', 'JetBrains Mono', 'Consolas', monospace;
  --max-width:    1100px;
}

/* ─── Reset & Base ────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img, svg { display: block; }

/* ─── Utility ─────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 2.5rem;
  color: var(--text-primary);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  display: block;
  width: 2.5rem;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin-top: 0.5rem;
}

/* ─── Fade-in Animations ───────────────────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }
.delay-3 { transition-delay: 0.45s; }

/* ─── Hero Section ────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 1.5rem 6rem;
  position: relative;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(212,160,48,0.10) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(212,160,48,0.04) 0%, transparent 50%),
    radial-gradient(ellipse 40% 40% at 80% 60%, rgba(100,80,200,0.03) 0%, transparent 50%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 20%, rgba(212,160,48,0.06) 0%, transparent 40%),
              radial-gradient(circle at 70% 60%, rgba(212,160,48,0.04) 0%, transparent 30%);
  animation: heroShimmer 20s ease-in-out infinite alternate;
  pointer-events: none;
  will-change: transform;
}

@keyframes heroShimmer {
  0%   { transform: translate(0, 0) rotate(0deg); }
  100% { transform: translate(-3%, -3%) rotate(2deg); }
}

/* Subtle film grain noise texture via inline SVG feTurbulence filter */
.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: overlay;
}

.hero-content {
  max-width: 640px;
  position: relative;
  z-index: 2;
}

.hero-name {
  font-size: clamp(3rem, 10vw, 6rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  background: linear-gradient(135deg, #fff 20%, var(--accent) 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
  filter: drop-shadow(0 0 30px var(--accent-glow));
}

.hero-subtitle {
  font-size: clamp(0.875rem, 2vw, 1rem);
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.hero-tagline {
  font-size: clamp(0.875rem, 2vw, 1rem);
  font-family: var(--font-mono);
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-bio {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 auto 2.5rem;
}

/* ─── Social Links ────────────────────────────────────────────────────── */
.social-links {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text-muted);
  transition: color var(--transition), border-color var(--transition),
              background var(--transition), transform var(--transition),
              box-shadow var(--transition);
}

.social-link:hover,
.social-link:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(212,160,48,0.08);
  transform: translateY(-4px) scale(1.08);
  box-shadow: 0 0 20px var(--accent-glow), 0 4px 16px rgba(0,0,0,0.3);
  outline: none;
}

.social-link svg {
  width: 1.1rem;
  height: 1.1rem;
}

/* ─── Scroll Hint ─────────────────────────────────────────────────────── */
.hero-scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-muted);
  opacity: 0.5;
  animation: bounce 2s ease-in-out infinite;
  z-index: 2;
}

.hero-scroll-hint svg {
  width: 1.5rem;
  height: 1.5rem;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* ─── Projects Section ────────────────────────────────────────────────── */
.projects {
  padding: 6rem 0;
  background: var(--bg-surface);
  position: relative;
}

.projects::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-glow), transparent);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color var(--transition), background var(--transition),
              transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.project-card:hover::before,
.project-card:focus-visible::before {
  opacity: 1;
}

.project-card:hover,
.project-card:focus-visible {
  border-color: rgba(212,160,48,0.3);
  background: rgba(212,160,48,0.04);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4), 0 0 30px var(--accent-glow);
  outline: none;
}

.project-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  line-height: 1;
}

.project-name {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.project-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
  flex: 1;
  margin-bottom: 1.25rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.project-tags li {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  background: var(--tag-bg);
  color: var(--tag-color);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  border: 1px solid rgba(212,160,48,0.2);
}

.project-link-label {
  font-size: 0.8rem;
  color: var(--accent);
  font-family: var(--font-mono);
  margin-top: auto;
  opacity: 0.7;
  transition: opacity var(--transition);
}

.project-card:hover .project-link-label,
.project-card:focus-visible .project-link-label {
  opacity: 1;
}

/* ─── Tech Section ────────────────────────────────────────────────────── */
.tech {
  padding: 6rem 0;
  background: var(--bg);
  position: relative;
}

.tech-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.tech-badge {
  font-size: 0.875rem;
  font-family: var(--font-mono);
  background: var(--glass);
  color: var(--text-muted);
  border: 1px solid var(--glass-border);
  padding: 0.5rem 1.25rem;
  border-radius: 2rem;
  transition: color var(--transition), border-color var(--transition),
              background var(--transition), transform var(--transition),
              box-shadow var(--transition);
}

.tech-badge:hover {
  color: var(--accent);
  border-color: rgba(212,160,48,0.25);
  background: rgba(212,160,48,0.06);
  transform: translateY(-2px);
  box-shadow: 0 2px 12px var(--accent-glow);
}

/* ─── Navigation ──────────────────────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10,12,16,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transform: translateY(-100%);
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1),
              opacity 0.35s cubic-bezier(0.4,0,0.2,1);
  pointer-events: none;
}

.site-nav.visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 3.5rem;
}

.nav-brand {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--accent);
  transition: opacity var(--transition);
}

.nav-brand:hover { opacity: 0.8; }

.nav-links {
  display: flex;
  gap: 0.25rem;
  align-items: center;
}

.nav-link {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link.active {
  color: var(--accent);
  background: rgba(212,160,48,0.08);
  outline: none;
}

/* Mobile hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-muted);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ─── Explore Section ────────────────────────────────────────────────── */
.explore {
  padding: 6rem 0;
  background: var(--bg-surface);
  position: relative;
}

.explore::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-glow), transparent);
}

.explore-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.explore-card {
  display: flex;
  flex-direction: column;
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  transition: border-color var(--transition), background var(--transition),
              transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.explore-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.explore-card:hover::before,
.explore-card:focus-visible::before {
  opacity: 1;
}

.explore-card:hover,
.explore-card:focus-visible {
  border-color: rgba(212,160,48,0.3);
  background: rgba(212,160,48,0.04);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4), 0 0 30px var(--accent-glow);
  outline: none;
}

.explore-card-icon {
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--tag-bg);
  border: 1px solid rgba(212,160,48,0.2);
  margin-bottom: 1.25rem;
  color: var(--accent);
}

.explore-card-icon svg {
  width: 1.3rem;
  height: 1.3rem;
}

.explore-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.explore-card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 1.5rem;
}

.explore-card-cta {
  font-size: 0.8rem;
  color: var(--accent);
  font-family: var(--font-mono);
  opacity: 0.7;
  transition: opacity var(--transition);
  margin-top: auto;
}

.explore-card:hover .explore-card-cta,
.explore-card:focus-visible .explore-card-cta {
  opacity: 1;
}

/* ─── Contact Section ────────────────────────────────────────────────── */
.contact {
  padding: 6rem 0;
  background: var(--bg-surface);
  position: relative;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-glow), transparent);
}

.contact-intro {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

.contact-form {
  max-width: 640px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition),
              background var(--transition);
  -webkit-appearance: none;
  appearance: none;
}

.form-input::placeholder {
  color: var(--text-muted);
  opacity: 0.5;
}

.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: rgba(212,160,48,0.03);
}

.form-input:invalid:not(:placeholder-shown):not(:focus) {
  border-color: #e05050;
}

.form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237a8196' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-select option {
  background: var(--bg-card);
  color: var(--text-primary);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.form-submit {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font-sans);
  color: var(--bg);
  background: linear-gradient(135deg, var(--accent) 0%, #e8c060 100%);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition),
              opacity var(--transition);
}

.form-submit svg {
  width: 1rem;
  height: 1rem;
}

.form-submit:hover,
.form-submit:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px var(--accent-glow-strong), 0 0 30px var(--accent-glow);
  outline: none;
}

.form-submit:active {
  transform: translateY(0);
}

.contact-fallback {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 1.5rem;
}

.contact-fallback a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: opacity var(--transition);
}

.contact-fallback a:hover {
  opacity: 0.7;
}

/* ─── Footer ──────────────────────────────────────────────────────────── */
.footer {
  padding: 3rem 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  text-align: center;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-glow), transparent);
}

.footer .container {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  align-items: center;
}

.footer-copy {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-top: 0.5rem;
}

.footer-links a {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  opacity: 0.6;
  transition: opacity var(--transition), color var(--transition);
}

.footer-links a:hover {
  opacity: 1;
  color: var(--accent);
}

/* ─── Hero Profile Photo ──────────────────────────────────────────────── */
.hero-photo {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent);
  box-shadow: 0 0 40px var(--accent-glow), 0 0 80px rgba(212,160,48,0.10);
  margin-bottom: 1.5rem;
  animation: photoGlow 4s ease-in-out infinite alternate;
}

@keyframes photoGlow {
  0%   { box-shadow: 0 0 30px var(--accent-glow), 0 0 60px rgba(212,160,48,0.08); }
  100% { box-shadow: 0 0 50px var(--accent-glow-strong), 0 0 100px rgba(212,160,48,0.15); }
}

/* ─── Stats Section ───────────────────────────────────────────────────── */
.stats {
  padding: 4rem 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stats-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.stats-updated {
  text-align: center;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  opacity: 0.5;
  margin-top: 1.5rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.5rem 1rem;
  border-radius: var(--radius);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  transition: transform var(--transition), box-shadow var(--transition),
              border-color var(--transition);
}

.stat-item:hover {
  transform: translateY(-2px);
  border-color: rgba(212,160,48,0.15);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.stat-number {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--accent) 0%, #f0d060 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 8px var(--accent-glow));
}

.stat-label {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ─── About Section ───────────────────────────────────────────────────── */
.about {
  padding: 6rem 0;
  background: var(--bg);
  position: relative;
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-glow), transparent);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-text p {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.about-photo-card {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  transition: transform var(--transition), box-shadow var(--transition);
}

.about-photo-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 48px rgba(0,0,0,0.4), 0 0 30px var(--accent-glow);
}

.about-photo {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
}

/* Quick Facts */
.quick-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 3rem 0;
}

.fact-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  transition: border-color var(--transition), transform var(--transition),
              box-shadow var(--transition), background var(--transition);
}

.fact-card:hover {
  border-color: rgba(212,160,48,0.25);
  transform: translateY(-3px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2), 0 0 15px var(--accent-glow);
  background: rgba(212,160,48,0.04);
}

.fact-icon {
  font-size: 1.5rem;
  line-height: 1;
  flex-shrink: 0;
}

.fact-label {
  font-size: 0.875rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

/* Family Section */
.family-section {
  margin: 2rem 0 3rem;
}

.family-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.family-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition),
              box-shadow var(--transition);
}

.family-card:hover {
  border-color: rgba(212,160,48,0.25);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3), 0 0 20px var(--accent-glow);
}

.family-photo {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.family-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
}

.family-icon {
  font-size: 1.75rem;
  line-height: 1;
}

.family-role {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.family-age {
  display: block;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

/* Gallery Section */
.gallery {
  padding: 6rem 0;
  background: var(--bg-surface);
  position: relative;
}

.gallery::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-glow), transparent);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  transition: border-color var(--transition), transform var(--transition),
              box-shadow var(--transition);
  cursor: default;
}

.gallery-item:hover {
  border-color: rgba(212,160,48,0.3);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4), 0 0 30px var(--accent-glow);
}

.gallery-item img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1rem 1.25rem;
  font-size: 0.85rem;
  font-family: var(--font-mono);
  color: #fff;
  background: linear-gradient(transparent, rgba(0,0,0,0.75));
  pointer-events: none;
}

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

.skills-heading {
  font-size: 0.85rem;
  font-family: var(--font-mono);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ─── Content Section ────────────────────────────────────────────────── */
.content {
  padding: 6rem 0;
  background: var(--bg);
  position: relative;
}

.content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-glow), transparent);
}

.content-grid {
  max-width: 720px;
}

.content-featured {
  margin-bottom: 1.5rem;
}

.video-embed {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--glass-border);
  background: var(--bg-card);
}

.video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
  border: 0;
}

.content-featured-label {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-top: 0.75rem;
}

.content-more-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-family: var(--font-mono);
  color: var(--accent);
  padding: 0.6rem 1.25rem;
  border: 1px solid rgba(212,160,48,0.3);
  border-radius: var(--radius-sm);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.content-more-link:hover {
  background: rgba(212,160,48,0.08);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px var(--accent-glow);
}

/* ─── Nav Actions (theme + lang toggles) ─────────────────────────────── */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: 1rem;
}

.theme-toggle,
.lang-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 2rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition),
              background var(--transition), transform var(--transition);
  padding: 0.4rem;
}

.theme-toggle {
  width: 2.25rem;
  height: 2.25rem;
}

.lang-toggle {
  padding: 0.35rem 0.6rem;
  height: 2.25rem;
}

.theme-toggle:hover,
.lang-toggle:hover {
  color: var(--accent);
  border-color: rgba(212,160,48,0.3);
  background: rgba(212,160,48,0.06);
  transform: translateY(-1px);
}

.theme-icon {
  width: 1rem;
  height: 1rem;
}

.lang-icon {
  width: 0.9rem;
  height: 0.9rem;
}

.lang-label {
  font-size: 0.7rem;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* Show/hide theme icons based on current theme */
.theme-icon-light { display: none; }
.theme-icon-dark  { display: block; }

.theme-light .theme-icon-light { display: block; }
.theme-light .theme-icon-dark  { display: none; }

/* ─── Form Status ────────────────────────────────────────────────────── */
.form-status {
  margin-top: 1rem;
  font-size: 0.875rem;
  font-family: var(--font-mono);
  min-height: 1.5rem;
}

.form-status-success {
  color: #4ade80;
}

.form-status-error {
  color: #f87171;
}

/* ─── Light Theme ────────────────────────────────────────────────────── */
.theme-light {
  --bg:           #f8f9fc;
  --bg-surface:   #ffffff;
  --bg-card:      #f0f1f5;
  --bg-card-hover:#e8e9ef;
  --border:       rgba(0,0,0,0.08);
  --border-hover: rgba(0,0,0,0.15);
  --text-primary: #1a1c24;
  --text-muted:   #5a6072;
  --glass:        rgba(0,0,0,0.03);
  --glass-border: rgba(0,0,0,0.08);
  --accent-glow:  rgba(180,130,30,0.18);
  --accent-glow-strong: rgba(180,130,30,0.35);
}

.theme-light .site-nav {
  background: rgba(248,249,252,0.9);
}

.theme-light .legal-nav {
  background: rgba(248,249,252,0.9);
}

.theme-light .hero {
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(212,160,48,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(212,160,48,0.03) 0%, transparent 50%),
    radial-gradient(ellipse 40% 40% at 80% 60%, rgba(100,80,200,0.02) 0%, transparent 50%);
}

.theme-light .hero::before {
  background: radial-gradient(circle at 30% 20%, rgba(212,160,48,0.04) 0%, transparent 40%),
              radial-gradient(circle at 70% 60%, rgba(212,160,48,0.03) 0%, transparent 30%);
}

.theme-light .hero-name {
  background: linear-gradient(135deg, #1a1c24 20%, var(--accent) 80%);
  -webkit-background-clip: text;
  background-clip: text;
}

.theme-light .stat-number {
  background: linear-gradient(135deg, var(--accent) 0%, #a07818 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

.theme-light .nav-links.open {
  background: rgba(248,249,252,0.98);
}

/* ─── Social Proof Section ───────────────────────────────────────────── */
.social-proof {
  padding: 2.5rem 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.social-proof-label {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-align: center;
  margin-bottom: 1.5rem;
  opacity: 0.6;
}

.social-proof-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  align-items: center;
}

.social-proof-item {
  padding: 0.6rem 1.5rem;
  border: 1px solid var(--glass-border);
  border-radius: 2rem;
  background: var(--glass);
  transition: border-color var(--transition), transform var(--transition);
}

.social-proof-item:hover {
  border-color: rgba(212,160,48,0.25);
  transform: translateY(-2px);
}

.social-proof-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* ─── Newsletter Section ─────────────────────────────────────────────── */
.newsletter {
  padding: 4rem 0;
  background: var(--bg);
  position: relative;
}

.newsletter::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-glow), transparent);
}

.newsletter-inner {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}

.newsletter-title {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.newsletter-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.newsletter-form {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
}

.newsletter-input {
  flex: 1;
  max-width: 320px;
}

.newsletter-btn {
  white-space: nowrap;
}

.newsletter-note {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  opacity: 0.5;
  margin-top: 0.75rem;
}

.newsletter-status {
  font-size: 0.875rem;
  font-family: var(--font-mono);
  min-height: 1.5rem;
  margin-top: 0.75rem;
}

.newsletter-status-success {
  color: #4ade80;
}

.newsletter-status-error {
  color: #f87171;
}

/* ─── Back to Top Button ─────────────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 900;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text-muted);
  cursor: pointer;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease, color 0.25s ease,
              border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover,
.back-to-top:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(212,160,48,0.08);
  box-shadow: 0 0 16px var(--accent-glow);
  outline: none;
}

.back-to-top svg {
  width: 1.25rem;
  height: 1.25rem;
}

/* ─── Gallery Lightbox ───────────────────────────────────────────────── */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  background: rgba(0,0,0,0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lightbox.active {
  opacity: 1;
}

.lightbox[hidden] {
  display: none;
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 2rem;
  color: #fff;
  background: none;
  border: none;
  cursor: pointer;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.25s ease;
}

.lightbox-close:hover {
  background: rgba(255,255,255,0.1);
}

.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 16px 64px rgba(0,0,0,0.5);
}

/* ─── Legal Pages (Impressum, etc.) ─────────────────────────────────── */
.legal-nav {
  background: rgba(10,12,16,0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 0;
}

.legal-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.legal-nav-links {
  display: flex;
  gap: 0.5rem;
}

.legal-page {
  padding: 4rem 0;
  min-height: 100vh;
}

.legal-page h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 2rem;
  color: var(--text-primary);
}

.legal-page h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: var(--accent);
}

.legal-page h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.legal-page p {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.back-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--accent);
  margin-bottom: 2rem;
  transition: opacity var(--transition);
}

.back-link:hover {
  opacity: 0.7;
}

/* ─── Responsive ──────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .about-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .stats-grid,
  .stats-grid-4 {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .quick-facts {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .family-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .project-grid {
    grid-template-columns: 1fr;
  }

  .tech-grid,
  .skills-list {
    gap: 0.5rem;
  }

  .section-title {
    margin-bottom: 2rem;
  }

  .projects,
  .tech,
  .explore,
  .contact,
  .about,
  .content,
  .gallery {
    padding: 4rem 0;
  }

  .stats-grid,
  .stats-grid-4 {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .stat-item {
    padding: 1.25rem 0.75rem;
  }

  .hero-photo {
    width: 120px;
    height: 120px;
  }

  .explore-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-form {
    max-width: 100%;
  }

  .about-skills {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .quick-facts {
    grid-template-columns: 1fr;
  }

  .newsletter-form {
    flex-direction: column;
    align-items: stretch;
  }

  .newsletter-input {
    max-width: 100%;
  }

  .social-proof-grid {
    gap: 0.75rem;
  }

  .back-to-top {
    bottom: 1rem;
    right: 1rem;
    width: 2.5rem;
    height: 2.5rem;
  }

  /* Nav mobile */
  .nav-toggle {
    display: flex;
  }

  .nav-actions {
    margin-left: auto;
    margin-right: 0.5rem;
  }

  .nav-links {
    position: absolute;
    top: 3.5rem;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(10,12,16,0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem 0;
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s ease, opacity 0.25s ease;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-link {
    padding: 0.75rem 1.5rem;
    border-radius: 0;
    width: 100%;
  }
}

/* ─── Reduced motion ──────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-scroll-hint {
    animation: none;
  }

  .hero-photo {
    animation: none;
  }

  .hero::before {
    animation: none;
  }

  .project-card,
  .explore-card,
  .social-link,
  .stat-item,
  .tech-badge,
  .form-submit,
  .form-input,
  .site-nav,
  .theme-toggle,
  .lang-toggle,
  .gallery-item,
  .fact-card,
  .family-card,
  .about-photo-card,
  .back-to-top,
  .social-proof-item,
  .lightbox {
    transition: none;
  }
}