/* Arcion landing — AppThoria */
:root {
  --bg-deep: #060914;
  --bg-card: rgba(15, 22, 42, 0.72);
  --bg-elevated: rgba(24, 32, 58, 0.85);
  --stroke: rgba(99, 140, 255, 0.18);
  --text: #e8ecff;
  --text-muted: #9aa3c4;
  --accent: #3b82f6;
  --accent-bright: #22d3ee;
  --accent-soft: rgba(59, 130, 246, 0.15);
  --gradient-hero: linear-gradient(135deg, #0c1228 0%, #1a1040 45%, #0a1628 100%);
  --radius: 16px;
  --radius-sm: 10px;
  --font: "Plus Jakarta Sans", system-ui, sans-serif;
  --shadow-glow: 0 0 80px rgba(59, 130, 246, 0.12);
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg-deep);
  background-image:
    radial-gradient(ellipse 120% 80% at 50% -30%, rgba(59, 130, 246, 0.22), transparent),
    radial-gradient(ellipse 60% 50% at 100% 50%, rgba(139, 92, 246, 0.08), transparent),
    radial-gradient(ellipse 50% 40% at 0% 80%, rgba(34, 211, 238, 0.06), transparent);
  min-height: 100vh;
}

body.lang-tr .lang-en,
body.lang-en .lang-tr {
  display: none !important;
}

a {
  color: var(--accent-bright);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

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

.container {
  width: min(1120px, 100% - 40px);
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--stroke);
  background: rgba(6, 9, 20, 0.82);
  backdrop-filter: blur(14px);
}

.site-header .inner {
  width: min(1120px, 100% - 32px);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}
.brand:hover {
  text-decoration: none;
  color: #fff;
}
.brand img {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
}

.nav-main {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.nav-main a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
}
.nav-main a:hover {
  color: var(--text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:active {
  transform: scale(0.98);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--stroke);
}
.btn-ghost:hover {
  background: var(--accent-soft);
  color: var(--text);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #6366f1);
  color: #fff;
  box-shadow: 0 4px 24px rgba(59, 130, 246, 0.35);
  text-decoration: none;
}
.btn-primary:hover {
  text-decoration: none;
  box-shadow: 0 6px 32px rgba(59, 130, 246, 0.45);
}

.btn-play svg {
  flex-shrink: 0;
}

/* Hero */
.hero {
  padding: 3rem 0 4rem;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 3rem;
  align-items: center;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .nav-main {
    display: none;
  }
}

.hero-copy h1 {
  font-size: clamp(2rem, 4.5vw, 2.85rem);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
  background: linear-gradient(120deg, #fff 0%, #c7d7ff 50%, #7dd3fc 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-copy .lead {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 36ch;
  margin: 0 0 1.75rem;
}

@media (max-width: 900px) {
  .hero-copy .lead {
    margin-inline: auto;
  }
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

@media (max-width: 900px) {
  .hero-ctas {
    justify-content: center;
  }
}

.hero-visual {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-glow), 0 24px 60px rgba(0, 0, 0, 0.45);
  border: 1px solid var(--stroke);
  background: var(--bg-card);
}

.hero-visual img {
  width: 100%;
  display: block;
  aspect-ratio: 1024 / 500;
  object-fit: cover;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid var(--stroke);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-bright);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Sections */
section {
  padding: 4rem 0;
}

section h2 {
  font-size: clamp(1.6rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
}

.section-intro {
  color: var(--text-muted);
  max-width: 62ch;
  margin: 0 0 2.5rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

@media (max-width: 720px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

.feature-card {
  border-radius: var(--radius);
  border: 1px solid var(--stroke);
  background: var(--bg-card);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  min-height: 200px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.feature-card:hover {
  border-color: rgba(99, 140, 255, 0.35);
  transform: translateY(-2px);
}

@media (max-width: 540px) {
  .feature-card {
    grid-template-columns: 1fr;
  }
}

.feature-card .feature-img {
  min-height: 180px;
  background: #0f1424;
}
.feature-card .feature-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-card .feature-body {
  padding: 1.35rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  font-weight: 700;
}

.feature-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* Screenshots */
.shots-wrap {
  margin-top: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--stroke);
  background: var(--bg-elevated);
  padding: 1.25rem 1.25rem 1.5rem;
}

.shots-scroll {
  display: flex;
  align-items: center;
  gap: 1rem;
  overflow-x: auto;
  padding: 0.35rem 0.15rem 0.65rem;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: 0.25rem;
  -webkit-overflow-scrolling: touch;
}

.shots-scroll::-webkit-scrollbar {
  height: 8px;
}
.shots-scroll::-webkit-scrollbar-thumb {
  background: rgba(99, 140, 255, 0.35);
  border-radius: 99px;
}

.shot {
  flex: 0 0 min(240px, 78vw);
  scroll-snap-align: start;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
  margin: 0;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.shot:hover {
  transform: translateY(-3px);
  border-color: rgba(99, 140, 255, 0.28);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.42);
}

.shot:not(.shot--landscape) img {
  width: 100%;
  aspect-ratio: 9 / 19;
  object-fit: cover;
  display: block;
}

/* Joystick / drawing and other landscape captures */
.shot--landscape {
  flex: 0 0 min(440px, 92vw);
  align-self: center;
  padding: 0.55rem;
  background: linear-gradient(155deg, rgba(22, 32, 58, 0.95) 0%, rgba(8, 11, 22, 0.98) 100%);
  border: 1px solid rgba(99, 140, 255, 0.22);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.shot--landscape img {
  width: 100%;
  height: auto;
  max-height: min(280px, 52vw);
  object-fit: contain;
  object-position: center;
  display: block;
  border-radius: 8px;
  background: #070b14;
}

.shots-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
  text-align: center;
}

/* SEO article */
.article-block {
  max-width: 72ch;
}
.article-block h2 {
  margin-top: 2.5rem;
}
.article-block h2:first-child {
  margin-top: 0;
}
.article-block p,
.article-block li {
  color: var(--text-muted);
}
.article-block ul {
  padding-left: 1.25rem;
}

/* FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 800px;
}

details.faq-item {
  border-radius: var(--radius-sm);
  border: 1px solid var(--stroke);
  background: var(--bg-card);
  padding: 0 1.1rem;
}

details.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  padding: 1rem 0;
  list-style: none;
}
details.faq-item summary::-webkit-details-marker {
  display: none;
}
details.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--accent-bright);
  font-weight: 700;
}
details.faq-item[open] summary::after {
  content: "–";
}

details.faq-item .faq-a {
  padding: 0 0 1.1rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--stroke);
  padding: 2.5rem 0;
  margin-top: 2rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
  justify-content: space-between;
}

.footer-inner p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 1.25rem;
}
.footer-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.disclaimer {
  font-size: 0.75rem !important;
  max-width: 90ch;
  opacity: 0.85;
  margin-top: 1rem !important;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 200;
}
.skip-link:focus {
  left: 0;
}