:root {
  --bg: #06090d;
  --bg-alt: #0b1017;
  --panel: rgba(16, 22, 31, 0.72);
  --border: rgba(255, 255, 255, 0.1);
  --text: #eef2f6;
  --text-dim: #9aa5b1;
  --accent: #35c2ff;
  --accent-2: #34e0a1;
  --accent-soft: rgba(53, 194, 255, 0.14);
  --radius: 14px;
  --font: "Inter", "Segoe UI", system-ui, sans-serif;
}

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

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }

::selection { background: var(--accent); color: #04121a; }

/* Fullscreen WebGL canvas */
#scene-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  display: block;
}

/* Loader */
#loader {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.7s ease;
}

#loader.done { opacity: 0; pointer-events: none; }

.loader-inner { text-align: center; }

.loader-logo {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: 1px;
  display: block;
  margin-bottom: 20px;
}

.loader-logo .dot { color: var(--accent); }

.loader-bar {
  width: 160px;
  height: 2px;
  background: rgba(255,255,255,0.1);
  overflow: hidden;
  border-radius: 2px;
}

.loader-fill {
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  animation: loaderslide 1.1s ease-in-out infinite;
}

@keyframes loaderslide {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

/* Header */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 32px;
}

.logo {
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.5px;
}

.logo .dot { color: var(--accent); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  background: rgba(10,14,20,0.55);
  backdrop-filter: blur(10px);
  padding: 10px 22px;
  border-radius: 30px;
  border: 1px solid var(--border);
}

.main-nav a {
  font-size: 0.88rem;
  color: var(--text-dim);
  transition: color 0.2s ease;
}

.main-nav a:hover, .main-nav a.active { color: var(--text); }

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

.lang-switch {
  display: flex;
  gap: 4px;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3px;
  background: rgba(10,14,20,0.55);
  backdrop-filter: blur(10px);
}

.lang-btn {
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 5px 11px;
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-transform: uppercase;
}

.lang-btn.active { background: var(--accent); color: #04121a; }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span { width: 22px; height: 2px; background: var(--text); }

/* Side nav dots */
.scene-nav-dots {
  position: fixed;
  right: 32px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.nav-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
  position: relative;
  transition: all 0.3s ease;
}

.nav-dot.active { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 12px rgba(53,194,255,0.6); }

.nav-dot span {
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.72rem;
  color: var(--text-dim);
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.2s ease;
  pointer-events: none;
}

.nav-dot:hover span { opacity: 1; }

/* Panels — DOM overlays positioned over the WebGL canvas */
#panels {
  position: relative;
  z-index: 10;
  width: 100%;
  height: 100%;
}

.panel {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.6s ease;
  padding: 120px 32px 40px;
}

.panel.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.panel-inner {
  max-width: 1100px;
  width: 100%;
  max-height: 100%;
  overflow-y: auto;
  text-align: center;
  scrollbar-width: thin;
}

.panel-inner::-webkit-scrollbar { width: 6px; }
.panel-inner::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 3px; }

/* Hero panel */
.hero-panel { max-width: 780px; }

.hero-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(53,194,255,0.3);
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 24px;
  background: var(--accent-soft);
  backdrop-filter: blur(6px);
}

.hero-panel h1 {
  font-size: clamp(2.2rem, 6vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1px;
  margin-bottom: 22px;
  text-shadow: 0 4px 40px rgba(0,0,0,0.6);
}

.hero-panel p {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-dim);
  max-width: 560px;
  margin: 0 auto 36px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: #04121a;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: 30px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(53,194,255,0.35);
}

.scroll-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.scroll-hint .line {
  width: 1px;
  height: 32px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollpulse 1.8s ease-in-out infinite;
}

@keyframes scrollpulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* Section head shared */
.panel-inner > .section-label {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 14px;
}

.panel-inner > h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
  text-shadow: 0 4px 30px rgba(0,0,0,0.6);
}

.panel-inner > p {
  color: var(--text-dim);
  max-width: 560px;
  margin: 0 auto 40px;
}

/* Services */
.services-filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
}

.filter-btn {
  background: rgba(10,14,20,0.6);
  backdrop-filter: blur(6px);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 9px 20px;
  border-radius: 24px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-btn:hover { color: var(--text); border-color: var(--accent); }

.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #04121a;
  font-weight: 600;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  text-align: left;
}

.service-card {
  background: var(--panel);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.service-card:hover { border-color: rgba(53,194,255,0.5); transform: translateY(-4px); }

.service-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--accent-soft);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  color: var(--accent);
}

.service-icon svg { width: 24px; height: 24px; }

.service-card h3 { font-size: 1.08rem; margin-bottom: 8px; font-weight: 650; }
.service-card p { color: var(--text-dim); font-size: 0.88rem; }
.service-card[data-hidden="true"] { display: none; }

/* Projects panel */
.projects-panel { max-width: 640px; }

.projects-hint {
  font-size: 0.72rem;
  letter-spacing: 1.5px;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-top: 24px;
}

.project-caption {
  margin-top: 260px;
  transition: opacity 0.3s ease;
}

.project-caption h3 {
  font-size: 1.4rem;
  font-weight: 700;
  text-shadow: 0 4px 30px rgba(0,0,0,0.7);
}

.project-caption span {
  color: var(--accent-2);
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* About panel */
.about-panel { max-width: 620px; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.stat-card {
  background: var(--panel);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 14px;
}

.stat-num {
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--accent);
  display: block;
  margin-bottom: 4px;
}

.stat-label { font-size: 0.76rem; color: var(--text-dim); }

.team-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

.team-chip {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--panel);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: 40px;
  padding: 8px 18px 8px 8px;
}

.team-initials {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.78rem;
  font-weight: 700;
}

.team-chip h4 { font-size: 0.85rem; text-align: left; }
.team-chip span { font-size: 0.72rem; color: var(--text-dim); }

/* Contact panel */
.contact-panel { max-width: 900px; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  text-align: left;
}

.contact-info-item {
  display: flex;
  gap: 14px;
  margin-bottom: 24px;
}

.contact-info-icon {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

.contact-info-icon svg { width: 18px; height: 18px; }
.contact-info-item h4 { font-size: 0.92rem; margin-bottom: 4px; }
.contact-info-item span, .contact-info-item a { color: var(--text-dim); font-size: 0.86rem; }

.contact-form {
  background: var(--panel);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 0.8rem; color: var(--text-dim); margin-bottom: 6px; }

.form-group input, .form-group textarea {
  width: 100%;
  background: rgba(6,9,13,0.6);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 11px 13px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
}

.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--accent); }
.form-group textarea { resize: vertical; min-height: 90px; }

.form-status { margin-top: 12px; font-size: 0.85rem; min-height: 18px; }
.form-status.success { color: var(--accent-2); }
.form-status.error { color: #ff6767; }

.site-footer { margin-top: 36px; text-align: center; }
.site-footer p { color: var(--text-dim); font-size: 0.8rem; }

/* Responsive */
@media (max-width: 980px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .scene-nav-dots { display: none; }
}

@media (max-width: 760px) {
  .main-nav { display: none; }
  .menu-toggle { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .panel { padding: 100px 20px 30px; }
  .project-caption { margin-top: 160px; }
}

.main-nav.open {
  display: flex;
  position: fixed;
  top: 70px; left: 20px; right: 20px;
  background: rgba(10,14,20,0.9);
  flex-direction: column;
  padding: 20px;
  gap: 16px;
  border-radius: 16px;
}