/* ViewTech Automotive — Custom Styles */

:root {
  --vt-blue: #00B4F0;
  --vt-black: #0A0E1A;
  --vt-chrome: #C8CDD7;
  --vt-onyx: #141925;
  --vt-graphite: #1F2533;
  --vt-slate: #2D3445;
  --vt-steel: #6B7385;
  --vt-mist: #F4F6F8;
  --vt-white: #FFFFFF;
  --vt-blue-light: #4FD0FF;
  --vt-blue-dark: #0086C9;
  --vt-success: #10B981;
  --vt-warning: #F59E0B;
  --vt-danger: #EF4444;

  --color-bg: var(--vt-black);
  --color-bg-elevated: var(--vt-onyx);
  --color-bg-card: var(--vt-graphite);
  --color-border: var(--vt-slate);
  --color-text: var(--vt-mist);
  --color-text-muted: var(--vt-chrome);
  --color-text-subtle: var(--vt-steel);
  --color-accent: var(--vt-blue);
  --color-accent-hover: var(--vt-blue-dark);
}

/* ─── Skip to content ─── */
.skip-to-content {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--vt-blue);
  color: var(--vt-black);
  padding: 0.5rem 1rem;
  border-radius: 0 0 0.375rem 0.375rem;
  font-weight: 600;
  font-size: 0.875rem;
  z-index: 200;
  transition: top 0.15s ease;
  text-decoration: none;
}
.skip-to-content:focus {
  top: 0;
}

/* ─── Global focus ring (Electric Blue) ─── */
*:focus-visible {
  outline: 2px solid var(--vt-blue-light);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ─── Nav scroll state ─── */
#nav {
  background: transparent;
}
#nav.nav-scrolled {
  background: rgba(10, 14, 26, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--vt-slate);
}

/* ─── Mobile slide-in menu ─── */
#mobile-menu {
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
#mobile-menu.open {
  transform: translateX(0);
}
#mobile-overlay {
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
#mobile-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

/* ─── Hero radial glow behind logo ─── */
.hero-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 55% 45% at 50% 38%,
    rgba(0, 180, 240, 0.10) 0%,
    rgba(0, 180, 240, 0.04) 40%,
    transparent 70%
  );
  pointer-events: none;
}

/* ─── Eyebrow label ─── */
.eyebrow {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--vt-blue);
}

/* ─── Service / feature cards ─── */
.vt-card {
  border: 1px solid var(--vt-slate);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.vt-card:hover {
  border-color: rgba(0, 180, 240, 0.30);
  transform: translateY(-2px);
}

/* ─── Step connector line ─── */
.step-line {
  flex: 1;
  height: 1px;
  background: var(--vt-slate);
}

/* ─── Form inputs ─── */
.vt-input {
  width: 100%;
  background: var(--vt-graphite);
  border: 1px solid var(--vt-slate);
  color: var(--vt-mist);
  border-radius: 0.375rem;
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  appearance: none;
  -webkit-appearance: none;
}
.vt-input::placeholder {
  color: var(--vt-steel);
}
.vt-input:focus {
  outline: none;
  border-color: var(--vt-blue);
  box-shadow: 0 0 0 3px rgba(79, 208, 255, 0.15);
}
.vt-input.error {
  border-color: var(--vt-danger);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12);
}

/* ─── Thin horizontal rule ─── */
.vt-rule {
  border: none;
  border-top: 1px solid var(--vt-slate);
}

/* ─── Scroll-reveal: sections fade up ─── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Form: select dropdown arrow ─── */
select.vt-input {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7385' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}
select.vt-input option {
  background-color: #1F2533;
  color: #F4F6F8;
}

/* ─── Smooth scroll ─── */
html {
  scroll-behavior: smooth;
}

/* ─── Lucide icons: enforce inline-block so data-lucide elements render ─── */
[data-lucide] {
  display: inline-block;
  vertical-align: middle;
}