:root {
  color-scheme: dark;
  --bg: #060a12;
  --bg2: #0c1220;
  --card: #111827;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --accent: #14b8a6;
  --accent2: #2dd4bf;
  --gold: #f59e0b;
  --border: #1e293b;
  --radius: 14px;
  --shadow: 0 24px 48px rgba(0,0,0,.45);
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@supports (view-transition-name: none) {
  main { view-transition-name: tesselane-main; }
  ::view-transition-old(tesselane-main),
  ::view-transition-new(tesselane-main) {
    animation-duration: 0.2s;
  }
}
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a { color: var(--accent2); text-decoration: none; }
a:hover { text-decoration: underline; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  padding: .5rem 1rem; background: var(--accent); color: #000;
}
.skip-link:focus { left: 0; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(6,10,18,.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 1280px; margin: 0 auto;
  padding: .85rem 1.25rem;
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
}
.logo {
  display: flex; align-items: center; gap: .55rem;
  font-weight: 700; font-size: 1.15rem; color: var(--text);
  text-decoration: none;
}
.logo svg { width: 32px; height: 32px; }
.logo:hover { text-decoration: none; color: var(--accent2); }

.nav-links {
  display: flex; flex-wrap: wrap; gap: .35rem 1rem;
  margin-left: auto;
}
.nav-links a {
  color: var(--muted); font-size: .9rem; text-decoration: none;
}
.nav-links a:hover { color: var(--text); }

.lang-select {
  background: var(--card); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px;
  padding: .35rem .6rem; font-size: .85rem;
}

.hero {
  position: relative; overflow: hidden;
  padding: 4.5rem 1.25rem 3.5rem;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(20,184,166,.22), transparent),
    linear-gradient(180deg, var(--bg2), var(--bg));
}
.hero-inner { max-width: 1280px; margin: 0 auto; }
.hero-badge {
  display: inline-block; font-size: .75rem; letter-spacing: .08em;
  text-transform: uppercase; color: var(--accent2);
  border: 1px solid rgba(20,184,166,.35);
  padding: .25rem .7rem; border-radius: 999px; margin-bottom: 1rem;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.1; margin: 0 0 1rem;
  max-width: 18ch;
}
.hero-lead {
  font-size: 1.15rem; color: var(--muted);
  max-width: 52ch; margin-bottom: 1.75rem;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: .75rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .75rem 1.35rem; border-radius: 10px;
  font-weight: 600; font-size: .95rem;
  border: none; cursor: pointer; text-decoration: none;
  transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn-primary { background: var(--accent); color: #042f2e; box-shadow: 0 8px 24px rgba(20,184,166,.35); }
.btn-primary:hover { background: var(--accent2); color: #022c22; }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent2); }
.btn-gold { background: linear-gradient(135deg, #f59e0b, #d97706); color: #1c1917; }

.hero-stats {
  display: flex; flex-wrap: wrap; gap: 1.5rem 2.5rem;
  margin-top: 2.5rem; padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.stat strong { display: block; font-size: 1.5rem; color: var(--accent2); }
.stat span { font-size: .85rem; color: var(--muted); }

section { padding: 3.5rem 1.25rem; }
.section-inner { max-width: 1280px; margin: 0 auto; }
.section-head { margin-bottom: 2rem; }
.section-head h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin: 0 0 .5rem; }
.section-head p { color: var(--muted); margin: 0; max-width: 60ch; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.1rem;
}
.feature-grid--dense {
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.9rem;
}
.feature-badge {
  display: inline-block; font-size: .65rem; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; padding: .2rem .45rem; border-radius: 999px; margin-bottom: .5rem;
}
.feature-badge--live { background: rgba(20,184,166,.2); color: var(--accent); }
.feature-badge--new { background: rgba(56,189,248,.2); color: #38bdf8; }
.feature-badge--roadmap { background: rgba(251,191,36,.15); color: #fbbf24; }
.feature-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem;
  cursor: pointer; transition: border-color .2s, transform .15s;
  position: relative;
}
.feature-card:hover, .feature-card:focus-visible {
  border-color: var(--accent); transform: translateY(-2px); outline: none;
}
.feature-card h3 { margin: 0 0 .45rem; font-size: 1rem; color: var(--accent2); }
.feature-card p { margin: 0; font-size: .9rem; color: var(--muted); }
.feature-more { display: inline-block; margin-top: .65rem; font-size: .8rem; color: var(--accent); font-weight: 600; }
.feature-dialog {
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--card); color: var(--text); padding: 1.5rem; max-width: 520px; width: calc(100% - 2rem);
}
.feature-dialog h2 { margin: 0 0 .75rem; color: var(--accent2); }
.feature-dialog p { margin: 0; color: var(--muted); line-height: 1.55; white-space: pre-wrap; }

.roadmap-section { background: linear-gradient(180deg, transparent, rgba(20,184,166,.04)); }
.roadmap-strip {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem;
}
.roadmap-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.1rem;
}
.roadmap-phase {
  display: inline-block; font-size: .7rem; font-weight: 700; color: var(--accent);
  text-transform: uppercase; letter-spacing: .05em; margin-bottom: .35rem;
}
.roadmap-card p { margin: 0; font-size: .88rem; color: var(--muted); line-height: 1.45; }

.pricing-fx-row {
  display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1rem;
  margin-top: .75rem; font-size: .9rem; color: var(--muted);
}
.pricing-fx-row label { color: var(--text); font-weight: 600; }
.pricing-fx-hint { flex: 1 1 200px; }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}
.price-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem;
  display: flex; flex-direction: column;
}
.price-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(20,184,166,.25), var(--shadow);
}
.price-card h3 { margin: 0 0 .25rem; }
.price-amount {
  font-size: 2rem; font-weight: 700; margin: .75rem 0;
  color: var(--accent2);
}
.price-amount small { font-size: .9rem; font-weight: 400; color: var(--muted); }
.price-list { list-style: none; padding: 0; margin: 0 0 1.25rem; flex: 1; }
.price-list li {
  padding: .35rem 0; font-size: .9rem; color: var(--muted);
  border-bottom: 1px solid rgba(30,41,59,.6);
}
.price-list li::before { content: "✓ "; color: var(--accent); }

.tier-compare-wrap { overflow-x: auto; margin: 1.5rem 0; }
.tier-compare {
  width: 100%; border-collapse: collapse; font-size: .88rem;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
}
.tier-compare th, .tier-compare td {
  padding: .75rem 1rem; border-bottom: 1px solid var(--border);
  vertical-align: top; text-align: left;
}
.tier-compare thead th { background: var(--surface-alt, #1e293b); color: var(--accent2); }
.tier-compare tbody th { color: var(--text); font-weight: 600; width: 14ch; }
.tier-compare td { color: var(--muted); }
.tier-compare tr:last-child th, .tier-compare tr:last-child td { border-bottom: none; }

.gallery-filters {
  display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 1.25rem;
}
.filter-btn {
  background: var(--card); border: 1px solid var(--border);
  color: var(--muted); padding: .3rem .75rem; border-radius: 999px;
  font-size: .8rem; cursor: pointer;
}
.filter-btn.active, .filter-btn:hover {
  border-color: var(--accent); color: var(--accent2);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}
.gallery-item {
  margin: 0; background: var(--card);
  border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden;
}
.gallery-item img, .gallery-item video {
  width: 100%; display: block; aspect-ratio: 16/9;
  object-fit: cover; background: #020617; cursor: zoom-in;
}
.gallery-item figcaption {
  padding: .55rem .75rem; font-size: .78rem; color: var(--muted);
}

.video-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1rem;
}
.video-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}
.video-card video { width: 100%; display: block; background: #000; }
.video-card p { padding: .65rem .85rem; margin: 0; font-size: .85rem; color: var(--muted); }

.license-box {
  background: linear-gradient(135deg, rgba(20,184,166,.08), rgba(245,158,11,.06));
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.5rem;
}
.license-box ul { margin: .5rem 0 0; padding-left: 1.2rem; color: var(--muted); }
.license-box li { margin: .35rem 0; }

.contact-panel {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem;
}
@media (max-width: 768px) { .contact-panel { grid-template-columns: 1fr; } }
.contact-form label { display: block; font-size: .85rem; color: var(--muted); margin-bottom: .25rem; }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; background: var(--bg2); border: 1px solid var(--border);
  color: var(--text); border-radius: 8px; padding: .6rem .75rem;
  margin-bottom: .85rem; font: inherit;
}
.contact-form textarea { min-height: 100px; resize: vertical; }
.contact-status { font-size: .85rem; margin-top: .5rem; min-height: 1.25rem; }
.contact-status.ok { color: #34d399; }
.contact-status.err { color: #f87171; }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 1.25rem; color: var(--muted); font-size: .85rem;
}
.footer-inner {
  max-width: 1280px; margin: 0 auto;
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between;
}

.lightbox {
  border: none; padding: 1rem; margin: 0;
  max-width: 100vw; max-height: 100vh; overflow: visible;
  background: transparent; color: inherit;
}
.lightbox:not([open]) { display: none !important; }
.lightbox[open] {
  display: flex;
  align-items: center; justify-content: center;
  position: fixed; inset: 0; width: 100vw; height: 100vh;
}
.lightbox::backdrop { background: rgba(0,0,0,.92); }
.lightbox.legacy-lightbox {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,.92); display: none;
  align-items: center; justify-content: center; padding: 1rem;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 95vw; max-height: 90vh; border-radius: 8px; }
.lightbox-close {
  position: absolute; top: 1rem; right: 1rem;
  background: var(--card); border: none; color: var(--text);
  font-size: 1.5rem; width: 44px; height: 44px; border-radius: 50%; cursor: pointer;
}

[dir="rtl"] .nav-links { margin-left: 0; margin-right: auto; }