@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=Montserrat:wght@600;700;800&display=swap');

:root {
  --dlav-bg: #05070b;
  --dlav-surface: #0c1119;
  --dlav-surface-2: #111827;
  --dlav-border: rgba(148, 163, 184, 0.2);
  --dlav-text: #e6edf7;
  --dlav-muted: #9aa4b2;
  --dlav-accent: #2c5bff;
  --dlav-accent-soft: #60a5fa;
  --dlav-accent-cyan: #2ee6f2;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", "Segoe UI", sans-serif;
  background:
    radial-gradient(1000px 700px at 95% -20%, rgba(44, 91, 255, 0.26), transparent 62%),
    radial-gradient(700px 500px at 0% 10%, rgba(46, 230, 242, 0.11), transparent 58%),
    var(--dlav-bg);
  color: var(--dlav-text);
  letter-spacing: 0.01em;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
  font-family: "Montserrat", "Inter", sans-serif;
}

.nav-glass,
.glass {
  background: linear-gradient(145deg, rgba(12, 17, 25, 0.8), rgba(10, 14, 22, 0.62));
  backdrop-filter: blur(16px);
  border: 1px solid var(--dlav-border);
}

.nav-glass {
  transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.nav-glass.scrolled {
  background: rgba(7, 10, 15, 0.92);
  border-color: rgba(96, 165, 250, 0.25);
  box-shadow: 0 12px 24px rgba(3, 7, 18, 0.35);
}

nav a[data-nav-link] {
  position: relative;
}

nav a[data-nav-link]::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.24s ease;
  background: linear-gradient(90deg, var(--dlav-accent-cyan), var(--dlav-accent-soft));
}

nav a[data-nav-link]:hover::after {
  transform: scaleX(1);
}

.brand-logo {
  height: 2.15rem;
  width: auto;
}

.nav-logo {
  height: 2.9rem;
  width: auto;
}

.footer-logo {
  width: min(360px, 100%);
  height: auto;
}

.section-title {
  font-size: clamp(2rem, 1.12rem + 2.5vw, 3.15rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.muted {
  color: var(--dlav-muted);
  line-height: 1.75;
}

.card-hover {
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.card-hover:hover {
  transform: translateY(-7px);
  border-color: rgba(96, 165, 250, 0.55);
  box-shadow: 0 20px 46px rgba(2, 6, 23, 0.55);
}

.btn-primary {
  background: linear-gradient(135deg, var(--dlav-accent-cyan), var(--dlav-accent));
  color: #ffffff;
  transition: transform 0.24s ease, box-shadow 0.24s ease, filter 0.24s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(44, 91, 255, 0.35);
  filter: brightness(1.04);
}

.btn-secondary {
  border: 1px solid rgba(148, 163, 184, 0.46);
  color: #e2e8f0;
  transition: border-color 0.24s ease, color 0.24s ease, transform 0.24s ease, background-color 0.24s ease;
}

.btn-secondary:hover {
  border-color: rgba(96, 165, 250, 0.76);
  color: #ffffff;
  transform: translateY(-2px);
  background: rgba(44, 91, 255, 0.08);
}

.hero-overlay {
  position: relative;
  min-height: 84vh;
}

.hero-cinematic {
  animation: heroZoom 16s ease-in-out infinite alternate;
}

.no-hero-zoom {
  animation: none;
}

@keyframes heroZoom {
  from {
    background-size: 102%;
    background-position: 50% 50%;
  }
  to {
    background-size: 108%;
    background-position: 54% 46%;
  }
}

.hero-overlay::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(95deg, rgba(2, 6, 23, 0.95) 6%, rgba(2, 6, 23, 0.84) 44%, rgba(2, 6, 23, 0.68) 100%),
    radial-gradient(420px 280px at 82% 16%, rgba(44, 91, 255, 0.18), transparent 74%);
}

.hero-content {
  position: relative;
  z-index: 3;
}

.hero-copy-panel {
  background: linear-gradient(145deg, rgba(2, 6, 23, 0.86), rgba(2, 6, 23, 0.58));
  border: 1px solid rgba(148, 163, 184, 0.28);
  backdrop-filter: blur(6px);
  box-shadow: 0 16px 44px rgba(2, 6, 23, 0.45);
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.38;
  transform: scale(1.05);
}

.hero-light,
.hero-light-secondary {
  position: absolute;
  width: 42vw;
  height: 120vh;
  filter: blur(4px);
  opacity: 0.3;
  z-index: 2;
  pointer-events: none;
}

.hero-light {
  left: -12vw;
  top: -8vh;
  background: linear-gradient(150deg, rgba(46, 230, 242, 0.58), rgba(46, 230, 242, 0));
  clip-path: polygon(0 0, 24% 0, 100% 100%, 0 100%);
  animation: sweepLeft 9s ease-in-out infinite alternate;
}

.hero-light-secondary {
  right: -10vw;
  top: -15vh;
  background: linear-gradient(210deg, rgba(44, 91, 255, 0.64), rgba(44, 91, 255, 0));
  clip-path: polygon(76% 0, 100% 0, 100% 100%, 0 100%);
  animation: sweepRight 10s ease-in-out infinite alternate;
}

@keyframes sweepLeft {
  from { transform: translateX(0) translateY(0) rotate(1deg); }
  to { transform: translateX(4vw) translateY(1vh) rotate(3deg); }
}

@keyframes sweepRight {
  from { transform: translateX(0) translateY(0) rotate(-1deg); }
  to { transform: translateX(-4vw) translateY(1.6vh) rotate(-3deg); }
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal[data-stagger] {
  transition-delay: var(--stagger-delay, 0ms);
}

.gallery-item img {
  transition: transform 0.45s ease, filter 0.35s ease;
}

.gallery-item:hover img {
  transform: scale(1.07);
  filter: brightness(1.09);
}

.gallery-item .overlay {
  opacity: 0;
  transition: opacity 0.35s ease;
}

.gallery-item:hover .overlay {
  opacity: 1;
}

.lightbox {
  background: rgba(2, 6, 23, 0.9);
  backdrop-filter: blur(6px);
}

.back-to-top {
  position: fixed;
  right: 1rem;
  bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
  z-index: 30;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: rgba(15, 23, 42, 0.82);
  color: #dbeafe;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
  box-shadow: 0 10px 20px rgba(2, 6, 23, 0.32);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.22s ease, transform 0.22s ease, border-color 0.22s ease, background-color 0.22s ease;
}

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

.back-to-top:hover {
  border-color: rgba(96, 165, 250, 0.72);
  background: rgba(30, 41, 59, 0.92);
}

.masonry-grid {
  column-count: 1;
  column-gap: 1.25rem;
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: 1.25rem;
}

.masonry-item img {
  width: 100%;
  height: auto;
  display: block;
}

.tech-grid .tech-item {
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

.tech-grid .tech-item:hover {
  transform: translateY(-5px);
  border-color: rgba(96, 165, 250, 0.55);
  box-shadow: 0 12px 28px rgba(2, 6, 23, 0.5);
}

.cta-glow {
  background:
    radial-gradient(520px 180px at 20% 20%, rgba(46, 230, 242, 0.18), transparent 70%),
    radial-gradient(500px 220px at 85% 80%, rgba(44, 91, 255, 0.22), transparent 70%),
    linear-gradient(120deg, rgba(15, 23, 42, 0.95), rgba(30, 41, 59, 0.82));
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  border: 1px solid rgba(148, 163, 184, 0.32);
  background: rgba(15, 23, 42, 0.78);
  color: #e5e7eb;
  border-radius: 0.75rem;
  padding: 0.82rem 0.95rem;
  outline: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: rgba(96, 165, 250, 0.86);
  box-shadow: 0 0 0 3px rgba(44, 91, 255, 0.22);
}

.quote-form,
.quote-form fieldset,
.quote-form .grid,
.quote-form label {
  min-width: 0;
}

.quote-form fieldset {
  overflow: hidden;
  min-inline-size: 0;
}

.quote-form .form-input,
.quote-form .form-select,
.quote-form .form-textarea {
  display: block;
  width: 100%;
  inline-size: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.quote-form input:not([type="radio"]):not([type="checkbox"]),
.quote-form select,
.quote-form textarea {
  min-width: 0;
  max-width: 100%;
  width: 100%;
  box-sizing: border-box;
  -webkit-appearance: none;
  appearance: none;
}

.quote-form legend {
  max-width: 100%;
  white-space: normal;
  line-height: 1.35;
}

.quote-form label.inline-flex {
  white-space: normal;
  align-items: flex-start;
  line-height: 1.35;
}

.social-icon {
  border: 1px solid rgba(148, 163, 184, 0.3);
  transition: border-color 0.25s ease, transform 0.25s ease, color 0.25s ease;
}

.social-icon:hover {
  border-color: rgba(96, 165, 250, 0.72);
  transform: translateY(-2px);
  color: #fff;
}

.map-placeholder {
  background-image:
    linear-gradient(160deg, rgba(17, 24, 39, 0.96), rgba(15, 23, 42, 0.75)),
    url("https://images.unsplash.com/photo-1547119957-637f8679db1e?auto=format&fit=crop&w=1400&q=80");
  background-size: cover;
  background-position: center;
}

.active-nav {
  color: #ffffff !important;
}

.active-nav::after {
  content: "";
  display: block;
  width: 100%;
  height: 2px;
  margin-top: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--dlav-accent-cyan), var(--dlav-accent-soft));
  transform: scaleX(1) !important;
}

[data-mobile-menu-button] svg {
  transition: transform 0.25s ease;
}

[data-mobile-menu-button].is-open svg {
  transform: rotate(90deg) scale(0.96);
}

@media (max-width: 768px) {
  .brand-logo {
    height: 1.9rem;
  }

  .nav-logo {
    height: 2.4rem;
  }

  .hero-cinematic {
    animation-duration: 12s;
  }

  .hero-overlay {
    min-height: 76vh;
  }

  .hero-light,
  .hero-light-secondary {
    width: 80vw;
    opacity: 0.22;
  }

  .quote-form fieldset {
    padding: 1rem;
  }

  .quote-form .grid {
    grid-template-columns: 1fr !important;
  }

  .quote-form legend {
    letter-spacing: 0.04em !important;
    font-size: 0.72rem;
  }
}

@media (min-width: 640px) {
  .masonry-grid {
    column-count: 2;
  }
}

@media (min-width: 1024px) {
  .masonry-grid {
    column-count: 3;
    column-gap: 1.5rem;
  }

  .masonry-item {
    margin-bottom: 1.5rem;
  }
}