/* ============================================
   X F Box — Page-specific styles
   ============================================ */

/* ── Brand line in marquee ─────────────────────── */
.brand-line {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: -0.01em;
  transition: color var(--dur-fast) var(--ease-out);
}
.brand-line:hover { color: var(--text-primary); }

/* ── Hero ──────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: calc(var(--nav-height) + var(--space-7)) 0 var(--space-8);
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: var(--space-8);
  align-items: center;
}

@media (max-width: 960px) {
  .hero__inner { grid-template-columns: 1fr; text-align: center; }
  .hero__content { order: 2; }
  .hero__visual { order: 1; }
}

.hero__desc {
  font-size: clamp(16px, 1.5vw, 19px);
  color: var(--text-secondary);
  max-width: 540px;
  margin: var(--space-5) 0 var(--space-6);
  line-height: 1.6;
}

@media (max-width: 960px) {
  .hero__desc { margin-left: auto; margin-right: auto; }
}

.hero__cta {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

@media (max-width: 960px) {
  .hero__cta { justify-content: center; }
}

.hero__stats {
  display: flex;
  gap: var(--space-7);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-subtle);
}

@media (max-width: 960px) {
  .hero__stats { justify-content: center; }
}

@media (max-width: 560px) {
  .hero__stats { gap: var(--space-5); flex-wrap: wrap; }
}

.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.6;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translate(-50%, 0); }
  50%      { transform: translate(-50%, 8px); }
}

@media (max-width: 960px) {
  .hero__scroll { display: none; }
}

/* ── Hero Visual / Device ──────────────────────── */
.hero__visual {
  display: grid;
  place-items: center;
  position: relative;
}

/* Device render (pure CSS) */
.device {
  --w: 280px;
  --h: 170px;
  width: var(--w);
  height: var(--h);
  position: relative;
  transform-style: preserve-3d;
}

.device--xl { --w: 380px; --h: 230px; }

.device__top {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%) translateZ(18px);
  width: 86%;
  height: 36%;
  background: linear-gradient(180deg, #1a1d28 0%, #11131a 100%);
  border-radius: 16px 16px 6px 6px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: grid;
  place-items: center;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 8px 24px rgba(0, 0, 0, 0.4);
}

.device__led {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 2px;
  background: var(--gradient-aurora);
  background-size: 200% 100%;
  border-radius: 999px;
  box-shadow: 0 0 16px rgba(0, 229, 255, 0.6);
  animation: led-flow 3s linear infinite;
}

@keyframes led-flow {
  to { background-position: 200% 0; }
}

.device__logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 28px;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
}

.device__body {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 70%;
  background: linear-gradient(180deg, #14171f 0%, #0a0c12 100%);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  align-items: center;
  padding: 0 18px;
  gap: 18px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 24px 60px rgba(0, 0, 0, 0.6);
}

.device__port {
  height: 16px;
  background: #06070d;
  border-radius: 3px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  position: relative;
}
.device__port::after {
  content: '';
  position: absolute;
  inset: 4px;
  background: rgba(0, 229, 255, 0.15);
  border-radius: 1px;
  box-shadow: 0 0 8px rgba(0, 229, 255, 0.4);
}

.device__shadow {
  position: absolute;
  bottom: -40px;
  left: 10%;
  right: 10%;
  height: 30px;
  background: radial-gradient(ellipse at center, rgba(0, 229, 255, 0.3), transparent 70%);
  filter: blur(20px);
}

/* ── Flagship section ──────────────────────────── */
.flagship__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-7);
  align-items: center;
}

@media (max-width: 960px) {
  .flagship__grid { grid-template-columns: 1fr; gap: var(--space-6); }
}

.flagship__hero {
  background:
    radial-gradient(circle at 30% 50%, rgba(0, 229, 255, 0.10), transparent 60%),
    radial-gradient(circle at 70% 50%, rgba(176, 38, 255, 0.10), transparent 60%),
    var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-2xl);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}

.flagship__render {
  position: relative;
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
}

.flagship__ring {
  position: absolute;
  width: 70%;
  aspect-ratio: 1;
  border: 1px dashed rgba(0, 229, 255, 0.20);
  border-radius: 50%;
  animation: spin 30s linear infinite;
}

.flagship__ring::before,
.flagship__ring::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 12px var(--accent-cyan);
}
.flagship__ring::before { top: -4px; left: 50%; transform: translateX(-50%); }
.flagship__ring::after  { bottom: -4px; left: 50%; transform: translateX(-50%); background: var(--accent-pink); box-shadow: 0 0 12px var(--accent-pink); }

@keyframes spin {
  to { transform: rotate(360deg); }
}

.flagship__specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

@media (max-width: 560px) {
  .flagship__specs { grid-template-columns: 1fr; }
}

/* ── CTA section ───────────────────────────────── */
.cta-section { padding-top: 0; }

.cta-card {
  background:
    radial-gradient(circle at 20% 20%, rgba(0, 229, 255, 0.08), transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(176, 38, 255, 0.08), transparent 50%),
    var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-2xl);
  padding: clamp(40px, 7vw, 96px) clamp(24px, 5vw, 80px);
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* ── Products Page ─────────────────────────────── */
.page-header {
  padding: calc(var(--nav-height) + var(--space-8)) 0 var(--space-7);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}

.page-header__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-top: var(--space-4);
}

.page-header__desc {
  font-size: clamp(15px, 1.5vw, 18px);
  color: var(--text-secondary);
  max-width: 640px;
  margin-top: var(--space-4);
}

/* ── Drivers Page ──────────────────────────────── */
.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-5);
}

.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--dur-base) var(--ease-out);
}

.download-card:hover {
  border-color: rgba(0, 229, 255, 0.30);
  transform: translateY(-4px);
  background: var(--bg-card-hover);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.download-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.20);
  display: grid;
  place-items: center;
  margin-bottom: var(--space-5);
  color: var(--accent-cyan);
}

.download-card__title {
  font-size: 1.25rem;
  margin-bottom: 4px;
}

.download-card__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: var(--space-4);
}

.download-card__changelog {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-subtle);
  font-size: 13px;
  color: var(--text-secondary);
}

.download-card__changelog li {
  padding: 4px 0;
  display: flex;
  gap: 8px;
}
.download-card__changelog li::before {
  content: '›';
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

/* ── Contact Page ──────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-7);
}

@media (max-width: 960px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.contact-info {
  display: grid;
  gap: var(--space-4);
}

.contact-info__item {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--dur-base) var(--ease-out);
}

.contact-info__item:hover {
  border-color: var(--border-default);
  transform: translateY(-2px);
}

.contact-info__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(0, 229, 255, 0.08);
  display: grid;
  place-items: center;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.contact-info__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.contact-info__value {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 15px;
}

.contact-info__note {
  color: var(--text-secondary);
  font-size: 13px;
  margin-top: 4px;
}

.channel-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--dur-base) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.channel-card:hover {
  border-color: var(--border-default);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.channel-card__name {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  margin: var(--space-4) 0 4px;
}

.channel-card__desc {
  color: var(--text-secondary);
  font-size: 13px;
  margin-bottom: var(--space-4);
}

/* ── Support Page (FAQ) ────────────────────────── */
.faq-item {
  border-bottom: 1px solid var(--border-subtle);
}

.faq-item__summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-5) 0;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 500;
  transition: color var(--dur-fast) var(--ease-out);
}

.faq-item__summary:hover { color: var(--accent-cyan); }

.faq-item__icon {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  transition: transform var(--dur-base) var(--ease-out);
  color: var(--accent-cyan);
}

.faq-item.is-open .faq-item__icon { transform: rotate(45deg); }

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--dur-base) var(--ease-out),
              padding var(--dur-base) var(--ease-out);
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
}

.faq-item.is-open .faq-item__answer {
  max-height: 400px;
  padding-bottom: var(--space-5);
}

/* ── About Page ────────────────────────────────── */
.value-card {
  padding: var(--space-6);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  transition: all var(--dur-base) var(--ease-out);
}

.value-card:hover {
  border-color: var(--border-default);
  transform: translateY(-3px);
}

.value-card__num {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  margin-bottom: var(--space-4);
}

.value-card__title {
  font-size: 1.25rem;
  margin-bottom: var(--space-3);
}

.value-card__desc {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
}

/* ── Toast (form feedback) ─────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  background: var(--bg-card);
  border: 1px solid var(--accent-cyan);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-lg), 0 0 24px rgba(0, 229, 255, 0.25);
  transition: transform var(--dur-base) var(--ease-spring);
}

.toast.is-visible {
  transform: translateX(-50%) translateY(0);
}

.toast__icon {
  color: var(--accent-cyan);
}