/* Car Port — landing theme (mobile-first) */

:root {
  --bg-deep: #121212;
  --bg-elevated: #1a1a1a;
  --bg-card: linear-gradient(145deg, #1e1e1e 0%, #161616 100%);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --text: #e0e0e0;
  --text-muted: #b0b0b0;
  --accent: #00a8ff;
  --accent-hover: #33b8ff;
  /* Links on dark bg: brighter for WCAG AA contrast (~5:1+) */
  --link: #5cc8ff;
  --link-hover: #7ed4ff;
  --accent-glow: rgba(0, 168, 255, 0.45);
  --brand-car: #ffffff;
  --radius-lg: 16px;
  --radius-md: 12px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45);
  --focus-ring: 0 0 0 3px rgba(0, 168, 255, 0.45);
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --max-width: 72rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Inter,
    Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg-deep);
  background-image: radial-gradient(
      ellipse 120% 80% at 50% -20%,
      rgba(0, 168, 255, 0.08) 0%,
      transparent 55%
    ),
    radial-gradient(
      ellipse 80% 50% at 100% 100%,
      rgba(0, 168, 255, 0.04) 0%,
      transparent 50%
    );
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  background: var(--accent);
  color: var(--bg-deep);
  font-weight: 600;
  border-radius: var(--radius-md);
  z-index: 100;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: var(--space-sm);
  outline: none;
  box-shadow: var(--focus-ring);
}

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--link-hover);
}

a:focus-visible {
  outline: none;
  border-radius: 4px;
  box-shadow: var(--focus-ring);
}

img {
  max-width: 100%;
  height: auto;
}

/* Layout */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(18, 18, 18, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.logo {
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}

.logo--brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  color: inherit;
}

.logo--brand:hover {
  text-decoration: none;
}

.logo--brand:hover .logo__port {
  color: var(--accent-hover);
}

.logo__mark {
  display: block;
  height: 48px;
  width: auto;
  flex-shrink: 0;
  object-fit: contain;
  /* Transparent PNG sits flush on #121212 — no frame */
}

.logo__wordmark {
  font-weight: 800;
  font-size: clamp(1.125rem, 3vw, 1.375rem);
  letter-spacing: -0.03em;
  line-height: 1;
  white-space: nowrap;
}

.logo__car {
  color: var(--brand-car);
}

.logo__port {
  color: var(--accent);
  transition: color 0.2s ease;
}

@media (max-width: 380px) {
  .logo__mark {
    height: 40px;
  }

  .logo__wordmark {
    font-size: 1rem;
  }
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--accent);
}

.nav-links a[aria-current="page"] {
  color: var(--accent);
  font-weight: 600;
}

.nav-links a:focus-visible {
  color: var(--accent);
}

/* Mobile menu toggle — hamburger / close (Electric Blue), <768px only */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  margin-left: auto;
  padding: 0.5rem;
  min-width: 44px;
  min-height: 44px;
  border: none;
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  border-radius: var(--radius-md);
  flex-shrink: 0;
  transition: color 0.2s ease, background 0.2s ease;
}

.nav-toggle:hover {
  color: var(--accent-hover);
  background: rgba(0, 168, 255, 0.08);
}

.nav-toggle:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.nav-toggle__icon-svg {
  display: block;
}

.nav-toggle__close {
  display: none;
}

body.mobile-menu-active .nav-toggle__bars {
  display: none;
}

body.mobile-menu-active .nav-toggle__close {
  display: block;
}

.nav-desktop {
  display: block;
}

@media (max-width: 767px) {
  .nav-desktop {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  body.mobile-menu-active {
    overflow: hidden;
    touch-action: none;
  }

  .mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 90;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding: calc(4.5rem + env(safe-area-inset-top, 0)) var(--space-md) var(--space-lg);
    padding-left: max(var(--space-md), env(safe-area-inset-left));
    padding-right: max(var(--space-md), env(safe-area-inset-right));
    background: rgba(18, 18, 18, 0.95);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-12px);
    transition:
      opacity 0.3s ease-in-out,
      visibility 0.3s ease-in-out,
      transform 0.3s ease-in-out;
  }

  body.mobile-menu-active .mobile-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .mobile-menu__list {
    list-style: none;
    margin: 0;
    padding: 0;
    width: 100%;
    max-width: 24rem;
    margin-left: auto;
    margin-right: auto;
  }

  .mobile-menu__list li {
    border-bottom: 1px solid var(--border-subtle);
  }

  .mobile-menu__list li:last-child {
    border-bottom: none;
  }

  .mobile-menu__list a {
    display: block;
    padding: 1.125rem 0.75rem;
    min-height: 48px;
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text);
    text-decoration: none;
    transition: color 0.2s ease;
  }

  .mobile-menu__list a:hover,
  .mobile-menu__list a:focus-visible {
    color: var(--accent);
  }

  .mobile-menu__list a[aria-current="page"] {
    color: var(--accent);
  }
}

@media (min-width: 768px) {
  .mobile-menu {
    display: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mobile-menu {
    transition: opacity 0.2s ease, visibility 0.2s ease;
    transform: none !important;
  }
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-xl) 0;
}

.section--tight-top {
  padding-top: var(--space-lg);
}

.section-title {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0 0 var(--space-sm);
  color: var(--text);
}

.section-lead {
  margin: 0 0 var(--space-lg);
  color: var(--text-muted);
  max-width: 42ch;
}

/* Hero */
.hero {
  display: grid;
  gap: var(--space-lg);
  align-items: center;
  padding-bottom: var(--space-xl);
}

@media (min-width: 768px) {
  .hero {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    min-height: min(70vh, 560px);
  }
}

.hero__content {
  order: 1;
}

.hero__visual {
  order: 0;
}

@media (min-width: 768px) {
  .hero__content {
    order: 0;
  }
  .hero__visual {
    order: 1;
  }
}

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--link);
  margin-bottom: var(--space-sm);
}

.hero h1 {
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin: 0 0 var(--space-md);
  color: var(--text);
}

.hero__sub {
  font-size: 1.0625rem;
  color: var(--text-muted);
  margin: 0 0 var(--space-lg);
  max-width: 38ch;
}

/* CTA */
.hero__cta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.625rem;
  max-width: 100%;
}

.hero__cta-hint {
  margin: 0;
  padding-left: 0.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  line-height: 1.45;
  color: var(--text-muted);
}

.hero__cta-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.hero__cta-link:hover {
  color: var(--accent-hover);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

.hero__cta-link:focus-visible {
  outline: none;
  border-radius: 4px;
  box-shadow: var(--focus-ring);
}

/* Contact / launch note */
.contact-note {
  margin: 0 0 var(--space-md);
  max-width: 40rem;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--text-muted);
}

.btn-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--bg-deep);
  background: linear-gradient(
    180deg,
    rgba(51, 184, 255, 0.8) 0%,
    rgba(0, 168, 255, 0.8) 100%
  );
  border: none;
  border-radius: 999px;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 4px 20px var(--accent-glow);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.btn-download__icon {
  flex-shrink: 0;
}

.btn-download:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px var(--accent-glow), 0 0 24px rgba(0, 168, 255, 0.35);
  filter: brightness(1.05);
  color: var(--bg-deep);
}

.btn-download:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring), 0 8px 32px var(--accent-glow);
}

.btn-download:active {
  transform: translateY(-1px);
}

/* Pre-launch: non-interactive, muted fill, pulse glow */
.btn-download--pending {
  cursor: default;
  pointer-events: none;
  user-select: none;
  animation: cta-glow-pulse 2.5s ease-in-out infinite;
}

.btn-download--pending:hover,
.btn-download--pending:active {
  transform: none;
  filter: none;
  box-shadow: 0 4px 20px rgba(0, 168, 255, 0.36);
}

.btn-download--pending:focus-visible {
  outline: none;
  box-shadow: 0 4px 20px rgba(0, 168, 255, 0.36);
}

@keyframes cta-glow-pulse {
  0%,
  100% {
    box-shadow:
      0 4px 18px rgba(0, 168, 255, 0.32),
      0 0 0 0 rgba(0, 168, 255, 0.12);
  }
  50% {
    box-shadow:
      0 6px 28px rgba(0, 168, 255, 0.48),
      0 0 32px rgba(0, 168, 255, 0.22);
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn-download--pending {
    animation: none;
    box-shadow: 0 4px 20px rgba(0, 168, 255, 0.38);
  }
}

/* Hero brand mark — neon glow on #121212 */
.hero__glow-wrap {
  position: relative;
  display: grid;
  place-items: center;
  margin: 0 auto;
  max-width: min(300px, 100%);
  padding: var(--space-md);
  isolation: isolate;
}

.hero__glow-wrap::before {
  content: "";
  position: absolute;
  width: min(260px, 75vw);
  height: min(260px, 75vw);
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(0, 168, 255, 0.35) 0%,
    rgba(0, 168, 255, 0.12) 40%,
    transparent 70%
  );
  filter: blur(28px);
  z-index: 0;
  pointer-events: none;
}

.hero__brand-img {
  position: relative;
  z-index: 1;
  display: block;
  width: min(300px, 88vw);
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 24px rgba(0, 168, 255, 0.55))
    drop-shadow(0 0 56px rgba(0, 168, 255, 0.35))
    drop-shadow(0 0 100px rgba(0, 168, 255, 0.2));
}

/* Features grid */
.features-grid {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-card);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: rgba(0, 168, 255, 0.25);
  transform: translateY(-2px);
}

.card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(92, 200, 255, 0.12);
  display: grid;
  place-items: center;
  margin-bottom: var(--space-md);
  color: var(--link);
}

.card__icon svg {
  width: 24px;
  height: 24px;
}

.card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin: 0 0 var(--space-xs);
  letter-spacing: -0.02em;
  color: var(--text);
}

.card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

/* Support / form */
.support {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-card);
  max-width: 40rem;
}

.form-grid {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 480px) {
  .form-row-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font: inherit;
  color: var(--text);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #6b6b6b;
}

.form-input:hover,
.form-textarea:hover {
  border-color: rgba(255, 255, 255, 0.12);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.btn-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font: inherit;
  font-weight: 600;
  color: var(--bg-deep);
  background: var(--accent);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.btn-submit:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-submit:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.form-hint {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 0;
}

/* Site footer */
.site-footer {
  margin-top: var(--space-xl);
  padding: var(--space-lg) var(--space-md);
  border-top: 1px solid var(--border-subtle);
  background: rgba(0, 0, 0, 0.25);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: flex-start;
}

@media (min-width: 600px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-legal a {
  font-size: 0.9375rem;
  font-weight: 500;
}

.footer-legal a[aria-current="page"] {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}

.footer-copy {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Legal page layout */
.legal-page {
  max-width: 48rem;
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md) var(--space-xl);
}

.legal-page h1 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  margin: 0 0 var(--space-sm);
  letter-spacing: -0.03em;
}

.legal-meta {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin: 0 0 var(--space-lg);
}

.legal-page h2 {
  font-size: 1.125rem;
  margin: var(--space-lg) 0 var(--space-sm);
  color: var(--text);
}

.legal-page p,
.legal-page ul {
  color: var(--text-muted);
  margin: 0 0 var(--space-md);
}

.legal-page ul {
  padding-left: 1.25rem;
}

.legal-page li {
  margin-bottom: var(--space-xs);
}

.back-link {
  display: inline-block;
  margin-bottom: var(--space-lg);
  font-weight: 600;
  text-decoration: none;
}

.back-link:hover {
  text-decoration: underline;
}