:root {
  --bg-0: #050505;
  --bg-1: #0A0A0A;
  --surface-1: #111111;
  --surface-2: #171717;
  --line: #222222;
  --text: #F5F5F5;
  --text-2: #B5B5B5;
  --text-3: #777777;
  --gold: #D4A72C;
  --gold-bright: #F0C75E;
  --error: #E5484D;
  --success: #3DD68C;
  --shadow: rgba(0, 0, 0, 0.28);
  --border: 1px solid rgba(255,255,255,0.08);
  --border-bright: rgba(255,255,255,0.18);
  --glass: rgba(255,255,255,0.04);
  --container: 1200px;
  --gap: 8px;
  --radius-sm: 12px;
  --radius-md: 20px;
  --font-heading: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', monospace;
  --transition: 180ms cubic-bezier(0.2, 0.7, 0.2, 1);
  --header-h: 72px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg-0);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.65;
  font-size: 1rem;
  transition: background-color 220ms ease, color 220ms ease;
}
body.menu-open, body.lightbox-open { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }

:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 3px;
}

.container {
  width: min(var(--container), calc(100% - clamp(1.25rem, 5vw, 3rem)));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  padding-top: 1rem;
}

.site-nav {
  position: relative;
  width: min(1100px, calc(100% - 1rem));
  margin: 0 auto;
  padding: 0.9rem 1.1rem;
  border: var(--border);
  background: rgba(10,10,10,0.32);
  border-radius: 999px;
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
  box-shadow: 0 20px 30px rgba(0,0,0,0.18);
}
.site-nav.is-solid {
  background: rgba(10,10,10,0.8);
  border-color: rgba(255,255,255,0.12);
}
.site-nav .brand {
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: 0.18em;
  font-size: 0.76rem;
}
.site-nav nav {
  display: none;
  gap: 1.5rem;
  align-items: center;
}
.site-nav nav a {
  color: var(--text-2);
  font-size: 0.85rem;
  transition: color var(--transition);
}
.site-nav nav a:hover,
.site-nav nav a.is-active {
  color: var(--text);
}
.nav-actions { display: flex; align-items: center; gap: 0.8rem; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 1.5rem;
  border-radius: 12px;
  transition: transform var(--transition), opacity var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
  font-weight: 500;
  font-size: 0.9375rem;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: scale(0.98); }
.btn-primary {
  background: var(--gold);
  color: #080808;
}
.btn-primary:hover { background: var(--gold-bright); }
.btn-secondary {
  border-color: rgba(255,255,255,0.16);
  background: transparent;
  color: var(--text);
}
.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}
.btn[disabled], .btn:disabled {
  opacity: 0.5;
  pointer-events: none;
}

.mobile-toggle {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: var(--border);
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  cursor: pointer;
}
.mobile-toggle span,
.mobile-toggle span::before,
.mobile-toggle span::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  position: relative;
  transition: var(--transition);
}
.mobile-toggle span::before { position: absolute; top: -6px; }
.mobile-toggle span::after { position: absolute; top: 6px; }
.mobile-toggle.is-open span { background: transparent; }
.mobile-toggle.is-open span::before { transform: rotate(45deg); top: 0; }
.mobile-toggle.is-open span::after { transform: rotate(-45deg); top: 0; }

.mobile-menu {
  position: fixed;
  inset: 72px 0 0 0;
  background: rgba(10,10,10,0.98);
  display: none;
  padding: 2rem 1.25rem;
  z-index: 30;
}
.mobile-menu.is-open { display: block; }
.mobile-menu nav {
  display: grid;
  gap: 1rem;
}
.mobile-menu nav a {
  display: block;
  padding: 0.8rem 0;
  font-size: 1.5rem;
  border-bottom: var(--border);
}

.hero {
  position: relative;
  padding-top: clamp(4rem, 10vw, 6rem);
  padding-bottom: clamp(4rem, 9vw, 8rem);
  min-height: 100svh;
}
.hero-scene {
  position: absolute;
  inset: 0 0 0 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.95;
}
.hero-canvas {
  width: 100%;
  height: 100%;
  display: block;
  background: var(--bg-0);
}
.hero-shell {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2rem;
}
.hero-copy {
  padding-top: 1rem;
}
.kicker {
  display: inline-block;
  margin-bottom: 1.25rem;
  color: var(--text-2);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-family: var(--font-mono);
}
.hero h1 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: clamp(2rem, 1.2rem + 3.2vw, 4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 12ch;
}
.hero p {
  color: var(--text-2);
  max-width: 62ch;
}
.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-top: 1.5rem;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  align-items: stretch;
}
.contact-grid .btn {
  width: 100%;
  min-width: 0;
  white-space: normal;
  text-align: center;
}
.hero-card {
  border: var(--border);
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  padding: 1rem;
  box-shadow: 0 30px 50px rgba(0,0,0,0.18);
}
.profile-panel {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: end;
  justify-content: center;
}
.profile-panel .frame {
  width: min(100%, 380px);
  aspect-ratio: 3 / 4;
  border-radius: 20px;
  overflow: hidden;
  border: var(--border);
  background: var(--surface-1);
  transform: rotate(-4deg);
  box-shadow: 0 30px 40px rgba(0,0,0,0.28);
}
.profile-panel img { width: 100%; height: 100%; object-fit: cover; }
.profile-panel .mini-card {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  background: rgba(17,17,17,0.9);
  border: var(--border);
  border-radius: 12px;
  padding: 0.75rem 0.9rem;
}

section { padding-block: clamp(4rem, 9vw, 8rem); }
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
  margin-bottom: 2rem;
}
.section-heading h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.5rem);
  line-height: 1.15;
  font-weight: 500;
  letter-spacing: -0.02em;
}
.section-heading p {
  margin: 0;
  color: var(--text-2);
}

.grid { display: grid; gap: 1rem; }

.intro-lines {
  display: grid;
  gap: 0.25rem;
}
.intro-lines h2 {
  margin: 0;
  font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.5rem);
  font-weight: 500;
  font-family: var(--font-heading);
  line-height: 1.15;
  letter-spacing: -0.02em;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.intro-lines h2.is-visible { opacity: 1; transform: translateY(0); }

.about-block { display: grid; gap: 1.5rem; }
.bio-copy { color: var(--text-2); }
.pull-quote {
  margin: 0;
  padding: 1.25rem 1rem;
  border-left: 2px solid rgba(255,255,255,0.2);
  color: var(--text);
  font-size: clamp(1.125rem, 1rem + 0.6vw, 1.5rem);
  font-family: var(--font-heading);
  line-height: 1.3;
}

.projects-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}
.project-card {
  background: var(--surface-1);
  border: var(--border);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: grid;
  gap: 1rem;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  box-shadow: 0 18px 30px rgba(0,0,0,0.12);
}
.project-card:hover {
  border-color: var(--border-bright);
  box-shadow: 0 24px 34px rgba(0,0,0,0.18);
}
.project-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.project-number {
  font-family: var(--font-mono);
  color: var(--text-3);
  font-size: 0.8rem;
}
.status-tag, .lab-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
  border: 1px solid rgba(255,255,255,0.16);
  color: var(--text-2);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: var(--font-mono);
}
.project-card h3 {
  margin: 0;
  font-size: clamp(1.125rem, 1rem + 0.6vw, 1.5rem);
  font-family: var(--font-heading);
  font-weight: 500;
}
.project-category { color: var(--text-3); font-size: 0.8rem; font-family: var(--font-mono); }
.project-card p { color: var(--text-2); margin: 0.6rem 0 0; }
.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}
.tech-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  border: var(--border);
  color: var(--text-2);
  font-size: 0.7rem;
  font-family: var(--font-mono);
}
.project-card .card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
}
.project-card .card-media,
.project-card .project-media {
  aspect-ratio: 16 / 10;
  border-radius: 14px;
  overflow: hidden;
  border: var(--border);
  background: var(--surface-2);
}
.project-card .card-media img,
.project-card .project-media img,
.project-card .project-visual {
  width: 100%; height: 100%; object-fit: cover;
  border-radius: 14px;
  display: block;
}

.client-grid, .expertise-grid, .service-grid, .lab-grid, .gallery-grid, .form-grid {
  display: grid;
  gap: 1rem;
}
.client-card, .service-card, .tile-card, .skill-card, .gallery-item, .contact-card {
  background: var(--surface-1);
  border: var(--border);
  border-radius: var(--radius-md);
  padding: 1.2rem;
}
.gallery-item {
  cursor: pointer;
  overflow: hidden;
  padding: 0;
}
.gallery-item img {
  width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 5;
}
.gallery-filter-row { display:flex; flex-wrap:wrap; gap:0.75rem; margin-bottom:1.5rem; }
.filter-btn {
  background: transparent; border: var(--border); color: var(--text-2); border-radius:999px; padding:0.6rem 0.9rem; cursor:pointer;
}
.filter-btn.is-active { background: var(--text); color: var(--bg-0); border-color: var(--text); }

.lightbox {
  position: fixed; inset: 0; background: rgba(5,5,5,0.92); display: none; z-index: 50; align-items:center; justify-content:center; padding:1rem;
}
.lightbox.is-open { display:flex; }
.lightbox-panel {
  width: min(1100px, 100%); position: relative; background: rgba(17,17,17,0.9); border: var(--border); border-radius: 20px; padding: 1rem; box-shadow: 0 30px 60px rgba(0,0,0,0.3);
}
.lightbox-panel img { width:100%; max-height:75vh; object-fit:contain; border-radius:12px; }
.lightbox-controls { display:flex; justify-content:space-between; align-items:center; gap:1rem; margin-top:0.75rem; }
.lightbox-actions { display:flex; gap:0.75rem; }
.lightbox-action { width:44px; height:44px; border-radius:12px; border: var(--border); background: rgba(255,255,255,0.04); color: var(--text); }
.lightbox-caption { color: var(--text-2); }

.form-card {
  background: var(--surface-1);
  border: var(--border);
  border-radius: 20px;
  padding: 1.5rem;
}
.form-grid {
  grid-template-columns: 1fr;
}
.field { display:grid; gap:0.4rem; }
.field label {
  color: var(--text-2);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-family: var(--font-mono);
}
.field input, .field textarea, .field select {
  background: rgba(255,255,255,0.02);
  color: var(--text);
  border: var(--border);
  border-radius: 12px;
  min-height: 48px;
  padding: 0.8rem 1rem;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: rgba(255,255,255,0.3);
  box-shadow: 0 0 0 3px rgba(255,255,255,0.06);
}
.field select {
  appearance: none;
  -webkit-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--text-2) 50%), linear-gradient(135deg, var(--text-2) 50%, transparent 50%);
  background-position: calc(100% - 20px) calc(50% - 3px), calc(100% - 14px) calc(50% - 3px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 2.8rem;
}
.field select option {
  background: var(--bg-1);
  color: var(--text);
}
.field textarea { min-height: 140px; resize: vertical; }
.field small {
  display: block;
  color: var(--text-3);
  min-height: 1.1em;
}
.form-message {
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  border-radius: 12px;
  display: none;
}
.form-message.is-success { display:block; background: rgba(61,214,140,0.08); color: var(--success); border:1px solid rgba(61,214,140,0.3); }
.form-message.is-error { display:block; background: rgba(229,72,77,0.08); color: var(--error); border:1px solid rgba(229,72,77,0.3); }

.site-footer {
  border-top: var(--border);
  padding: 2rem 0 3rem;
}
.footer-inner {
  display: grid;
  gap: 1.5rem;
}
.footer-row { display:flex; flex-wrap:wrap; gap:1rem; align-items:center; }
.inline-links { display:flex; flex-wrap:wrap; gap:0.9rem; color: var(--text-2); }
.socials { display:flex; gap:0.6rem; }
.socials a {
  width: 40px; height: 40px; border-radius: 999px; display:inline-flex; align-items:center; justify-content:center; border:var(--border); color:var(--text); background: rgba(255,255,255,0.02);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible { opacity:1; transform:translateY(0); }

.hidden, [hidden] { display:none !important; }

@media (min-width: 480px) {
  .hero-actions { flex-direction: row; }
  .projects-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .client-grid, .expertise-grid, .service-grid, .lab-grid, .gallery-grid, .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 768px) {
  .site-nav nav { display: flex; }
  .mobile-toggle { display: none; }
  .mobile-menu { display: none !important; }
  .hero-shell { grid-template-columns: 1.15fr 0.85fr; align-items: center; }
  .about-block { grid-template-columns: 1.2fr 0.8fr; }
  .projects-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .client-grid, .service-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .expertise-grid, .lab-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gallery-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .site-footer .footer-inner { grid-template-columns: 1.5fr 1fr; }
}
@media (min-width: 1024px) {
  .hero { min-height: 86svh; }
  .site-nav { padding-inline: 1.6rem; }
  .client-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .service-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}
@media (max-width: 767px) {
  .site-nav { border-radius: 20px; }
  .site-nav .brand { letter-spacing: 0.08em; }
  .nav-actions .btn { display:none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
  .reveal, .reveal.is-visible { opacity: 1; transform: none; }
}

.custom-cursor { position: fixed; width:8px; height:8px; left:0; top:0; background: var(--text); border-radius:50%; z-index:60; pointer-events:none; opacity:0.9; }
.cursor-ring { position: fixed; width:32px; height:32px; left:0; top:0; border: 1px solid var(--gold); border-radius:50%; z-index:59; pointer-events:none; transform: translate(-50%, -50%); transition: transform 0.18s ease, width 0.18s ease, height 0.18s ease; }
.cursor-ring.is-active { width:42px; height:42px; }
.scroll-top { position: fixed; right: clamp(1rem, 3vw, 2rem); bottom: clamp(1rem, 3vw, 2rem); width: 48px; height: 48px; border: 1px solid var(--gold); border-radius: 50%; background: var(--surface-1); color: var(--gold-bright); display: grid; place-items: center; font-size: 1.35rem; line-height: 1; cursor: pointer; z-index: 25; opacity: 0; visibility: hidden; transform: translateY(10px); transition: opacity var(--transition), visibility var(--transition), transform var(--transition), background var(--transition), color var(--transition); }
.scroll-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-top:hover { background: var(--gold); color: #080808; }

@media (max-width: 1023px) {
  .custom-cursor, .cursor-ring { display: none !important; }
}