:root {
  color-scheme: dark;
  --bg: #0A0A0B;
  --surface: rgba(18,18,20,0.88);
  --surface-strong: rgba(10,10,11,0.95);
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(0,229,255,0.18);
  --text: #FFFFFF;
  --muted: #A8B0C0;
  --cyan: #00E5FF;
  --cyan-soft: rgba(0,229,255,0.12);
  --blue: #0091EA;
  --blue-soft: rgba(0,145,234,0.12);
  --shadow: 0 20px 80px rgba(0, 0, 0, 0.3);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.container {
  width: min(1200px, 100% - 2rem);
  margin: 0 auto;
}

.site-header {
  position: fixed;
  inset: 0 auto auto 0;
  width: 100%;
  z-index: 100;
  padding: 1rem 0;
  transition: background 0.3s ease, backdrop-filter 0.3s ease, border-color 0.3s ease;
  background: transparent;
}

.site-header.scrolled {
  background: rgba(10,10,11,0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0,229,255,0.24);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(1.4rem, 2vw, 2rem);
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--text);
  user-select: none;
}

.brand .brand-highlight {
  color: var(--cyan);
  text-shadow: 0 0 14px rgba(0,229,255,0.5), 0 0 24px rgba(0,229,255,0.24);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.15rem;
  align-items: center;
}

.site-nav button {
  border: none;
  background: transparent;
  color: #cbd5ee;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  font-weight: 700;
  transition: color 0.25s ease;
}

.site-nav button:hover {
  color: var(--cyan);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--cyan);
  background: transparent;
  color: var(--cyan);
  padding: 0.95rem 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 800;
  font-size: 0.75rem;
  transition: transform 0.25s ease, background-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}

.btn:hover {
  background: var(--cyan);
  color: #000;
  box-shadow: 0 0 30px rgba(0,229,255,0.22);
  transform: translateY(-1px);
}

.hero {
  position: relative;
  min-height: 100vh;
  padding: 7rem 0 2rem;
  overflow: hidden;
}

.energy-bg {
  background: linear-gradient(-45deg, #0A0A0B, #001220, #002B3D, #0A0A0B);
  background-size: 400% 400%;
  animation: energy-flow 15s ease infinite;
}

@keyframes energy-flow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.energy-rays {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
}

.energy-ray {
  position: absolute;
  width: 2px;
  height: 120vh;
  background: linear-gradient(to bottom, transparent, var(--cyan), transparent);
  opacity: 0.25;
  animation: ray-travel 8s infinite linear;
}

.energy-ray:nth-child(1) { left: 10%; animation-duration: 6s; }
.energy-ray:nth-child(2) { left: 35%; animation-duration: 9s; animation-delay: 2s; }
.energy-ray:nth-child(3) { left: 65%; animation-duration: 7s; animation-delay: 4s; }
.energy-ray:nth-child(4) { left: 85%; animation-duration: 10s; animation-delay: 1s; }

@keyframes ray-travel {
  0% { transform: translateY(-100%) translateX(0); opacity: 0; }
  10% { opacity: 0.35; }
  90% { opacity: 0.35; }
  100% { transform: translateY(100%) translateX(100px); opacity: 0; }
}

.hero-inner {
  display: grid;
  gap: 2.5rem;
  align-items: center;
  grid-template-columns: 1.4fr 1fr;
}

.hero-copy {
  max-width: 650px;
}

.hero-copy h1 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(3rem, 5vw, 5.5rem);
  line-height: 0.98;
  margin: 0 0 1rem;
  letter-spacing: -0.05em;
  text-transform: uppercase;
}

.hero-copy p {
  color: #d7d9e5;
  line-height: 1.85;
  max-width: 40rem;
  margin: 1rem 0 0;
}

.hero-copy .hero-label {
  display: inline-block;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.72rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.hero-image {
  position: relative;
}

.hero-image::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 2rem;
  box-shadow: inset 0 0 0 1px rgba(0,229,255,0.15), 0 40px 120px rgba(0, 0, 0, 0.45);
}

.hero-image img {
  width: 100%;
  height: 100%;
  border-radius: 2rem;
  object-fit: cover;
  display: block;
}

.hero-banner {
  margin: 4rem auto 0;
  max-width: 900px;
  border: 1px solid rgba(0,229,255,0.18);
  background: rgba(10,10,11,0.82);
  color: #cbd5ee;
  padding: 1rem 1.5rem;
  border-radius: 1.5rem;
  text-align: center;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 700;
}

.section {
  position: relative;
  padding: 6rem 0;
}

.section-heading {
  display: grid;
  gap: 1rem;
  text-align: center;
  margin-bottom: 3rem;
}

.section-heading span {
  color: var(--cyan);
  text-shadow: 0 0 16px rgba(0,229,255,0.35);
}

.section-heading h2 {
  margin: 0;
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(2.25rem, 4vw, 4rem);
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

.section-heading .section-line {
  width: 5rem;
  height: 0.35rem;
  margin: 0 auto;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan), var(--blue));
}

.glass-panel,
.glass-panel-cyan {
  border-radius: 1.75rem;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(10,10,11,0.72);
  border: 1px solid rgba(255,255,255,0.08);
}

.glass-panel-cyan {
  background: rgba(10,10,11,0.8);
  border: 1px solid rgba(0,229,255,0.2);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
}

.service-card {
  padding: 2rem;
  border-radius: 1.75rem;
  background: rgba(18,18,20,0.75);
  border: 1px solid rgba(0,229,255,0.18);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.25);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--cyan);
  box-shadow: 0 24px 70px rgba(0, 229, 255, 0.12);
}

.service-card .service-icon {
  width: 3.2rem;
  height: 3.2rem;
  display: grid;
  place-items: center;
  margin-bottom: 1.25rem;
  border-radius: 1rem;
  background: rgba(0,229,255,0.12);
  color: var(--cyan);
  border: 1px solid rgba(0,229,255,0.22);
  box-shadow: inset 0 0 20px rgba(0,229,255,0.1);
}

.service-card h3 {
  margin: 0 0 0.95rem;
  font-family: 'Montserrat', sans-serif;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}

.service-card p {
  margin: 0;
  color: #b8c1d4;
  line-height: 1.8;
}

.service-card .service-link {
  margin-top: 1.8rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.text-highlight {
  color: var(--cyan);
  text-shadow: 0 0 14px rgba(0,229,255,0.45), 0 0 26px rgba(0,229,255,0.24);
}

.text-highlight-blue {
  color: var(--blue);
  text-shadow: 0 0 14px rgba(0,145,234,0.45), 0 0 26px rgba(0,145,234,0.24);
}

.promo {
  background: linear-gradient(135deg, rgba(0,229,255,0.12), rgba(0,145,234,0.12));
  border-radius: 2rem;
  overflow: hidden;
  border: 1px solid rgba(0,229,255,0.18);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.25);
}

.promo::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.18) 50%, transparent 100%);
  transform: skewX(-18deg) translateX(-110%);
  animation: promo-shine 4s infinite ease-in-out;
}

@keyframes promo-shine {
  0% { transform: skewX(-18deg) translateX(-110%); }
  100% { transform: skewX(-18deg) translateX(110%); }
}

.promo-inner {
  position: relative;
  padding: 3rem;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: center;
}

.promo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  background: rgba(0,0,0,0.55);
  color: var(--cyan);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.72rem;
  font-weight: 800;
  border: 1px solid rgba(0,229,255,0.2);
}

.promo-title {
  margin: 1rem 0 0;
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(1.6rem, 2.5vw, 2.3rem);
  line-height: 1.05;
}

.promo-button {
  min-width: 220px;
  border: 1px solid rgba(255,255,255,0.18);
  background: #000;
  color: #fff;
  padding: 1rem 1.3rem;
  border-radius: 1rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.promo-button:hover {
  background: #111;
}

.advantages-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit,minmax(230px,1fr));
}

.advantage-card {
  position: relative;
  padding: 2.5rem;
  border-radius: 2rem;
  background: rgba(10,10,11,0.78);
  border: 1px solid rgba(255,255,255,0.08);
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.advantage-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,229,255,0.3);
}

.advantage-card::before {
  content: '';
  position: absolute;
  inset: -30%;
  background: radial-gradient(circle at top left, rgba(0,229,255,0.18), transparent 28%);
  pointer-events: none;
}

.advantage-card::after {
  content: '';
  position: absolute;
  inset: -20%;
  background: radial-gradient(circle at bottom right, rgba(0,145,234,0.14), transparent 30%);
  pointer-events: none;
}

.advantage-icon {
  width: 4rem;
  height: 4rem;
  display: grid;
  place-items: center;
  border-radius: 1.25rem;
  background: rgba(0,145,234,0.1);
  color: var(--cyan);
  margin: 0 auto 1.5rem;
  border: 1px solid rgba(0,229,255,0.16);
}

.advantage-card h3 {
  margin: 0 0 1rem;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.advantage-card p {
  margin: 0;
  color: #c3c8d8;
  line-height: 1.8;
}

.gallery {
  padding-top: 5rem;
}

.gallery-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.gallery-tab {
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  color: #c7d2fd;
  padding: 0.75rem 1rem;
  text-transform: uppercase;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  transition: all 0.25s ease;
}

.gallery-tab.active,
.gallery-tab:hover {
  background: rgba(0,229,255,0.16);
  border-color: rgba(0,229,255,0.3);
  color: #000;
}

.gallery-frame {
  position: relative;
  border-radius: 2rem;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.32);
  min-height: 420px;
}

.gallery-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-before {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 1;
}

.gallery-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 3.1rem;
  height: 3.1rem;
  border-radius: 999px;
  background: rgba(0,0,0,0.8);
  border: 1px solid rgba(0,229,255,0.35);
  color: var(--cyan);
  display: grid;
  place-items: center;
  z-index: 2;
  box-shadow: 0 0 25px rgba(0,229,255,0.25);
  font-weight: 800;
}

.gallery-range {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  z-index: 3;
  cursor: ew-resize;
}

.gallery-description {
  text-align: center;
  margin-top: 1.5rem;
}

.gallery-description h3 {
  margin: 0;
  font-family: 'Montserrat', sans-serif;
  font-size: 1.4rem;
}

.gallery-description p {
  margin: 0.85rem auto 0;
  max-width: 760px;
  color: #b8c7d5;
  line-height: 1.85;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2rem;
}

.contact-panel {
  padding: 2rem;
  border-radius: 2rem;
  background: rgba(10,10,11,0.84);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: var(--shadow);
}

.contact-info {
  display: grid;
  gap: 1.5rem;
}

.contact-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding-bottom: 1.25rem;
}

.contact-brand img {
  width: 3.25rem;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 999px;
  border: 1px solid rgba(0,229,255,0.2);
}

.contact-brand h3 {
  margin: 0;
  font-size: 1.5rem;
  letter-spacing: 0.04em;
}

.contact-info p {
  margin: 0;
  line-height: 1.85;
  color: #c4cbd9;
}

.contact-meta {
  display: grid;
  gap: 1rem;
}

.contact-meta-item {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  color: #d2d9eb;
}

.contact-meta-item span {
  font-weight: 700;
}

.contact-form {
  display: grid;
  gap: 1.25rem;
}

.field-group {
  display: grid;
  gap: 0.75rem;
}

.field-group label {
  font-size: 0.75rem;
  color: #9fb1cb;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.field-group input,
.field-group textarea,
.field-group select {
  width: 100%;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  color: #f7faff;
  border-radius: 1rem;
  padding: 1rem 1.1rem;
  outline: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.field-group input:focus,
.field-group textarea:focus,
.field-group select:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 18px rgba(0,229,255,0.18);
}

.field-group textarea {
  min-height: 160px;
  resize: vertical;
}

.submit-button {
  width: 100%;
  border: none;
  background: var(--cyan);
  color: #000;
  padding: 1rem 1.25rem;
  border-radius: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  box-shadow: 0 15px 45px rgba(0,229,255,0.22);
}

.submit-button:hover {
  transform: translateY(-1px);
}

.site-footer {
  padding: 3rem 0 4rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
}

.site-footer p {
  margin: 0.5rem 0;
  color: #8e9ab3;
  font-size: 0.95rem;
}

.footer-grid {
  display: grid;
  gap: 1rem;
  justify-items: center;
}

.footer-grid span {
  display: block;
  font-weight: 800;
  letter-spacing: 0.2em;
}

@media (max-width: 980px) {
  .hero-inner,
  .promo-inner,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 8rem;
  }
}

@media (max-width: 720px) {
  .header-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav {
    justify-content: center;
    gap: 0.65rem;
  }

  .hero-copy h1 {
    font-size: clamp(2.5rem, 10vw, 4rem);
  }

  .hero-banner {
    padding: 1rem 1rem;
  }

  .service-card,
  .advantage-card,
  .contact-panel,
  .promo-inner,
  .gallery-frame {
    border-radius: 1.4rem;
  }

  .gallery-handle {
    width: 2.8rem;
    height: 2.8rem;
  }
}