/* ═══════════════════════════════════════════════
   OrbitRadio – Website Styles
   ═══════════════════════════════════════════════ */

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --c-bg:        #0a0b12;
  --c-surface:   #12131f;
  --c-surface2:  #1a1b2e;
  --c-border:    rgba(255,255,255,0.08);
  --c-text:      #e8eaf6;
  --c-muted:     rgba(232,234,246,0.55);

  --accent-1:    #7c6fff; /* violet */
  --accent-2:    #00d4ff; /* cyan */
  --accent-3:    #ff6fd8; /* pink */

  --grad-main:   linear-gradient(135deg, var(--accent-1), var(--accent-2));
  --grad-warm:   linear-gradient(135deg, var(--accent-1), var(--accent-3));

  --radius-sm:   8px;
  --radius-md:   16px;
  --radius-lg:   28px;
  --radius-pill: 999px;

  --shadow-glow: 0 0 40px rgba(124,111,255,0.25);
  --shadow-card: 0 4px 32px rgba(0,0,0,0.5);
  --shadow-btn:  0 4px 24px rgba(124,111,255,0.45);

  --font-sans:   'Inter', system-ui, sans-serif;
  --font-display:'Outfit', system-ui, sans-serif;

  --nav-h: 68px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.65;
  overflow-x: hidden;
}

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

.container {
  width: min(1200px, 100% - 3rem);
  margin-inline: auto;
}

/* ── Gradient text ── */
.gradient-text {
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}
.btn--primary {
  background: var(--grad-main);
  color: #fff;
  box-shadow: var(--shadow-btn);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(124,111,255,0.6);
}
.btn--ghost {
  background: transparent;
  color: var(--c-text);
  border: 1.5px solid var(--c-border);
}
.btn--ghost:hover {
  border-color: var(--accent-1);
  color: var(--accent-1);
  background: rgba(124,111,255,0.08);
}
.btn--nav {
  background: var(--grad-main);
  color: #fff;
  padding: 0.55rem 1.35rem;
  font-size: 0.875rem;
  box-shadow: 0 2px 16px rgba(124,111,255,0.35);
}
.btn--nav:hover { transform: translateY(-1px); box-shadow: 0 4px 24px rgba(124,111,255,0.55); }
.btn--large {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
}

/* ── Section helpers ── */
.section-tag {
  display: inline-block;
  padding: 0.3rem 1rem;
  border-radius: var(--radius-pill);
  background: rgba(124,111,255,0.15);
  color: var(--accent-1);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.section-header { text-align: center; margin-bottom: 4rem; }
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1rem;
}
.section-sub {
  color: var(--c-muted);
  font-size: 1.05rem;
  max-width: 580px;
  margin-inline: auto;
}

/* ═══════════════════════════════════════════════
   NAV
   ═══════════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background var(--transition), box-shadow var(--transition);
}
.nav.scrolled {
  background: rgba(10,11,18,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--c-border);
}
.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1200px, 100% - 3rem);
  margin-inline: auto;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
}
.nav__icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
}
.nav__links {
  display: flex;
  gap: 2rem;
}
.nav__links a {
  font-size: 0.9rem;
  color: var(--c-muted);
  transition: color var(--transition);
}
.nav__links a:hover { color: var(--c-text); }

.nav__actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.lang-switcher {
  display: flex;
  align-items: center;
}

.lang-select {
  appearance: none;
  -webkit-appearance: none;
  background: var(--c-surface2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23999' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 0.55rem center;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  color: var(--c-text);
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.35rem 1.9rem 0.35rem 0.75rem;
  cursor: pointer;
  transition: var(--transition);
  outline: none;
}

.lang-select:hover {
  border-color: var(--accent-1);
}

.lang-select:focus {
  border-color: var(--accent-1);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-1) 25%, transparent);
}

/* ═══════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  padding-top: var(--nav-h);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 3rem;
  width: 100%;
  padding-inline: max(1.5rem, calc((100% - 1200px) / 2));
  position: relative;
}
.hero__bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

/* Orbs */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
}
.orb--1 { width: 600px; height: 600px; background: var(--accent-1); top: -200px; left: -150px; animation: drift 12s ease-in-out infinite alternate; }
.orb--2 { width: 500px; height: 500px; background: var(--accent-2); top: 50%; right: -200px; animation: drift 15s ease-in-out infinite alternate-reverse; }
.orb--3 { width: 400px; height: 400px; background: var(--accent-3); bottom: -100px; left: 30%; animation: drift 10s ease-in-out infinite alternate; }

@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(30px, 40px) scale(1.08); }
}

/* Wave bars */
.wave-bars {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 80px;
  display: flex;
  align-items: flex-end;
  gap: 3px;
  padding: 0 2rem;
  opacity: 0.12;
}
.wave-bar {
  flex: 1;
  background: var(--grad-main);
  border-radius: 3px 3px 0 0;
  animation: wavePulse 1.5s ease-in-out infinite;
}

@keyframes wavePulse {
  0%, 100% { height: 20%; }
  50% { height: 100%; }
}

/* Hero content */
.hero__content {
  padding: 3rem 0;
  z-index: 1;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-pill);
  background: rgba(0,212,255,0.12);
  border: 1px solid rgba(0,212,255,0.25);
  color: var(--accent-2);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  animation: fadeSlideUp 0.6s ease both;
}
.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  animation: fadeSlideUp 0.6s 0.1s ease both;
}
.hero__subtitle {
  color: var(--c-muted);
  font-size: 1.1rem;
  max-width: 500px;
  margin-bottom: 2rem;
  animation: fadeSlideUp 0.6s 0.2s ease both;
}
.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
  animation: fadeSlideUp 0.6s 0.3s ease both;
}
.hero__stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  animation: fadeSlideUp 0.6s 0.4s ease both;
}
.stat { text-align: center; }
.stat__value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat__label { font-size: 0.8rem; color: var(--c-muted); font-weight: 500; }
.stat__divider { width: 1px; height: 36px; background: var(--c-border); }

/* Hero phone mockup */
.hero__mockup {
  position: relative;
  display: flex;
  justify-content: center;
  z-index: 1;
  animation: fadeSlideUp 0.6s 0.2s ease both;
}
.phone-frame {
  position: relative;
  width: 270px;
  aspect-ratio: 9/19;
  background: #1a1a2e;
  border-radius: 40px;
  border: 2px solid rgba(255,255,255,0.12);
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0,0,0,0.7), inset 0 1px 0 rgba(255,255,255,0.08);
}
.phone-notch {
  position: absolute;
  top: 0; left: 50%; transform: translateX(-50%);
  width: 100px; height: 28px;
  background: #0a0b12;
  border-radius: 0 0 20px 20px;
  z-index: 10;
}
.phone-screen {
  position: absolute;
  inset: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0a0b12;
}
.phone-screenshot {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: opacity 0.6s ease;
}
.phone-glow {
  position: absolute;
  bottom: -40px; left: 50%; transform: translateX(-50%);
  width: 200px; height: 80px;
  background: var(--accent-1);
  filter: blur(40px);
  opacity: 0.4;
  border-radius: 50%;
}

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════════════
   FEATURES
   ═══════════════════════════════════════════════ */
.features {
  padding: 7rem 0;
  position: relative;
}
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 1.25rem;
}

.feature-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-main);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(124,111,255,0.4);
  box-shadow: 0 8px 40px rgba(124,111,255,0.2);
}
.feature-card:hover::before { opacity: 0.04; }

.feature-card--wide {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: center;
}
.feature-card__icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.feature-card__icon img {
  width: 2rem;
  height: 2rem;
  display: block;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  position: relative;
  z-index: 1;
}
.feature-card p {
  color: var(--c-muted);
  font-size: 0.92rem;
  position: relative;
  z-index: 1;
}
.feature-card__img {
  width: 100%;
  border-radius: var(--radius-md);
  height: auto;
  max-height: 320px;
  object-fit: contain;
  background: #0a0b12;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
  cursor: pointer;
  position: relative;
  z-index: 1;
}
.feature-card__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
}
.feature-card__text { position: relative; z-index: 1; }

/* ── Landscape / Car Head Unit feature card ── */
.feature-card--landscape {
  grid-column: 1 / -1;  /* full width across all 3 columns */
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 2rem;
  align-items: center;
  background: linear-gradient(135deg, rgba(124,111,255,0.08), rgba(0,212,255,0.05));
  border-color: rgba(124,111,255,0.25);
}
.feature-card--landscape .feature-card__icon { margin-bottom: 0.75rem; }
.feature-card--landscape h3 { font-size: 1.35rem; }
.feature-card--landscape p  { font-size: 0.95rem; line-height: 1.7; }

.feature-card__visual--wide {
  width: 100%;
}
.feature-card__img--landscape {
  width: 100%;
  max-height: 340px;
  object-fit: cover;
  object-position: center;
  border-radius: var(--radius-md);
  box-shadow: 0 12px 40px rgba(0,0,0,0.6), 0 0 0 1px rgba(124,111,255,0.2);
}



/* ═══════════════════════════════════════════════
   SCREENSHOTS CAROUSEL
   ═══════════════════════════════════════════════ */
.screenshots {
  padding: 7rem 0;
  overflow: hidden;
}
.carousel-track-wrapper {
  overflow: hidden;
  padding: 2rem 0;
  cursor: grab;
  user-select: none;
}
.carousel-track-wrapper:active { cursor: grabbing; }
.carousel-track {
  display: flex;
  gap: 1.5rem;
  transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
  padding-inline: calc((100vw - min(1200px, 100% - 3rem)) / 2);
  width: max-content;
}
.carousel-item {
  flex-shrink: 0;
  width: 220px;
}
.carousel-item img {
  width: 100%;
  height: auto;
  max-height: min(68vh, 480px);
  object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 48px rgba(0,0,0,0.6);
  border: 1px solid var(--c-border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.carousel-item:hover img {
  transform: scale(1.03) translateY(-4px);
  box-shadow: 0 24px 60px rgba(124,111,255,0.3);
}
.carousel-caption {
  text-align: center;
  margin-top: 0.75rem;
  font-size: 0.82rem;
  color: var(--c-muted);
}
.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 2rem;
}
.carousel-btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  color: var(--c-text);
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex; align-items: center; justify-content: center;
}
.carousel-btn:hover {
  background: var(--accent-1);
  border-color: var(--accent-1);
  box-shadow: 0 4px 16px rgba(124,111,255,0.4);
}
.carousel-dots { display: flex; gap: 0.5rem; }
.carousel-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--c-border);
  cursor: pointer;
  transition: var(--transition);
  border: none;
}
.carousel-dot.active {
  background: var(--accent-1);
  width: 24px;
  border-radius: var(--radius-pill);
}

/* ═══════════════════════════════════════════════
   HOW IT WORKS
   ═══════════════════════════════════════════════ */
.how { padding: 7rem 0; }
.steps {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: 1rem;
}
.step {
  flex: 1;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
}
.step:hover {
  border-color: rgba(124,111,255,0.4);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(124,111,255,0.15);
}
.step__num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
  line-height: 1;
}
.step__content h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.step__content p { color: var(--c-muted); font-size: 0.9rem; }
.step__arrow {
  font-size: 1.5rem;
  color: var(--accent-1);
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════
   PREMIUM
   ═══════════════════════════════════════════════ */
.premium { padding: 7rem 0; }
.premium__inner {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: calc(var(--radius-lg) * 1.5);
  padding: 4rem 3rem;
  position: relative;
  overflow: hidden;
}
.premium__inner::before {
  content: '';
  position: absolute;
  top: -1px; left: -1px; right: -1px; bottom: -1px;
  border-radius: inherit;
  padding: 1px;
  background: var(--grad-warm);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.premium__badge-icon {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
}
.premium__badge-icon img {
  width: 90px;
  height: 90px;
  border-radius: 20px;
  box-shadow: 0 12px 40px rgba(124,111,255,0.5);
}
.premium__features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 0;
}
.premium__feature {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: var(--transition);
}
.premium__feature:hover {
  border-color: rgba(124,111,255,0.35);
  transform: translateY(-2px);
}
.premium__feature-icon {
  font-size: 1.75rem;
  flex-shrink: 0;
  line-height: 1;
}
.premium__feature h4 {
  font-weight: 700;
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
}
.premium__feature p { color: var(--c-muted); font-size: 0.875rem; }

/* ═══════════════════════════════════════════════
   DOWNLOAD
   ═══════════════════════════════════════════════ */
.download {
  padding: 7rem 0;
  position: relative;
}
.download__inner {
  background: var(--c-surface2);
  border: 1px solid var(--c-border);
  border-radius: calc(var(--radius-lg) * 1.5);
  padding: 5rem 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.orb--dl-1 {
  width: 500px; height: 500px;
  background: var(--accent-1);
  opacity: 0.15;
  top: -200px; left: -100px;
}
.orb--dl-2 {
  width: 400px; height: 400px;
  background: var(--accent-2);
  opacity: 0.12;
  bottom: -150px; right: -100px;
}

/* ═══════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════ */
.footer {
  border-top: 1px solid var(--c-border);
  padding: 2.5rem 0;
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-weight: 700;
}
.footer__icon { width: 32px; border-radius: 8px; }
.footer__name { font-size: 1rem; }
.footer__copy { color: var(--c-muted); font-size: 0.85rem; }
.footer__data { color: var(--c-muted); font-size: 0.85rem; }
.footer__data a { color: var(--accent-2); }
.footer__data a:hover { text-decoration: underline; }

/* ═══════════════════════════════════════════════
   SCROLL REVEAL
   ═══════════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════ */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: calc(var(--nav-h) + 2rem);
    text-align: center;
  }
  .hero__subtitle { margin-inline: auto; }
  .hero__ctas { justify-content: center; }
  .hero__stats { justify-content: center; }
  .hero__mockup { display: none; }

  .features__grid {
    grid-template-columns: 1fr;
  }
  .feature-card--wide {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }
  .feature-card--landscape {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }

  .steps { flex-direction: column; }
  .step__arrow { transform: rotate(90deg); }

  .premium__features { grid-template-columns: 1fr; }
  .nav__links { display: none; }
}

@media (max-width: 600px) {
  .section-title { font-size: 1.75rem; }
  .premium__inner { padding: 2.5rem 1.5rem; }
  .download__inner { padding: 3rem 1.5rem; }
}

/* ═══════════════════════════════════════════════
   PRIVACY PAGE
   ═══════════════════════════════════════════════ */
.privacy-content {
  padding: 120px 0 80px;
  max-width: 800px;
  margin: 0 auto;
}
.privacy-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-card);
}
.privacy-card h1 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}
.privacy-card .last-updated {
  color: var(--c-muted);
  font-style: italic;
  margin-bottom: 2.5rem;
  display: block;
}
.privacy-card h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin: 2rem 0 1rem;
  color: var(--accent-2);
}
.privacy-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 1.5rem 0 0.5rem;
  color: var(--c-text);
}
.privacy-card p, .privacy-card li {
  color: var(--c-muted);
  line-height: 1.7;
  margin-bottom: 1rem;
}
.privacy-card ul {
  margin-left: 1.5rem;
  margin-bottom: 1.5rem;
  list-style: disc;
}
.privacy-card a {
  color: var(--accent-2);
  text-decoration: underline;
}
@media (max-width: 600px) {
  .privacy-card {
    padding: 2rem 1.5rem;
  }
  .privacy-card h1 {
    font-size: 2rem;
  }
}



/* ═══════════════════════════════════════════════
   IMAGE LIGHTBOX (feature screenshots)
   ═══════════════════════════════════════════════ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
  background: rgba(6, 7, 12, 0.92);
  backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s ease, visibility .25s ease;
}
.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}
.lightbox__img {
  max-width: min(90vw, 900px);
  max-height: 85vh;
  width: auto;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 60px rgba(0,0,0,0.7), 0 0 0 1px rgba(255,255,255,0.08);
  background: #0a0b12;
  object-fit: contain;
  transform: scale(0.94);
  transition: transform .25s ease;
}
.lightbox.is-open .lightbox__img {
  transform: scale(1);
}
.lightbox__close {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--c-border);
  background: rgba(255,255,255,0.06);
  color: var(--c-text);
  font-size: 1.5rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background .2s ease, transform .2s ease;
}
.lightbox__close:hover {
  background: rgba(255,255,255,0.14);
  transform: rotate(90deg);
}
@media (max-width: 600px) {
  .lightbox { padding: 1.5rem 1rem; }
  .lightbox__close { top: 0.75rem; right: 0.75rem; width: 38px; height: 38px; font-size: 1.25rem; }
}