/* Base Theme */
:root {
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Fira Sans', 'Droid Sans', 'Helvetica Neue', Arial, sans-serif;
  --font-display: 'Cinzel', 'Trajan Pro', serif;
  --color-bg: #0b0d12;
  --color-bg-alt: #12161f;
  --color-surface: #1b2029;
  --color-surface-glass: rgba(255,255,255,0.06);
  --color-border: #2a303b;
  --color-text: #d5dae3;
  --color-text-dim: #9aa2b1;
  --color-accent: #c7363d;
  --color-accent-glow: 210 70% 55%;
  --color-focus: #ffbf47;
  --radius-sm: 4px;
  --radius: 10px;
  --shadow-elevate: 0 4px 18px -4px rgba(0,0,0,0.5),0 0 0 1px rgba(255,255,255,0.05) inset;
  --gradient-accent: linear-gradient(135deg,#c7363d,#802a9c 60%,#3846ff);
  --transition-fast: 120ms;
}

[data-theme='light'] {
  --color-bg: #f6f7f9;
  --color-bg-alt: #fff;
  --color-surface: #ffffff;
  --color-text: #1d232b;
  --color-text-dim: #5a6270;
  --color-border: #dfe3e9;
  --color-surface-glass: rgba(0,0,0,0.04);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; font-family: var(--font-sans); background: var(--color-bg); color: var(--color-text); -webkit-font-smoothing: antialiased; line-height: 1.5; font-size: 16px;
}
img { max-width: 100%; display: block; }

/* Layout */
.container { width: min(1240px, 100% - 2rem); margin-inline: auto; }
.container.narrow { width: min(720px, 100% - 2rem); }
.flex { display: flex; }
.between { justify-content: space-between; }
.center-v { align-items: center; }
.wrap { flex-wrap: wrap; }
.gap { gap: 1rem; }
.gap-lg { gap: 2.5rem; }
.grid { display: grid; gap: 2rem; }
.cols-3 { grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); }

section.section { padding: clamp(3rem, 7vw, 6rem) 0; }
.alt-bg { background: var(--color-bg-alt); position: relative; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(14px); background: linear-gradient(180deg,rgba(15,17,23,0.85),rgba(15,17,23,0.5) 60%,transparent); border-bottom: 1px solid var(--color-border); }
.logo { font-family: var(--font-display); font-size: 1.3rem; letter-spacing: .5px; color: var(--color-text); text-decoration: none; font-weight: 600; }
.logo span { color: var(--color-accent); }
.nav-toggle { display: none; background: none; border: 1px solid var(--color-border); color: var(--color-text); padding: .55rem .8rem; border-radius: var(--radius-sm); cursor: pointer; }
.nav-menu { display: flex; list-style: none; gap: 1.5rem; margin: 0; padding: 0; }
.nav-menu a { color: var(--color-text-dim); text-decoration: none; font-weight: 500; position: relative; }
.nav-menu a:hover, .nav-menu a:focus { color: var(--color-text); }

/* Buttons */
.btn { --btn-bg: var(--color-surface); --btn-color: var(--color-text); position: relative; display: inline-flex; gap: .5rem; align-items: center; justify-content: center; padding: .85rem 1.4rem; font-weight: 600; border-radius: var(--radius-sm); text-decoration: none; border: 1px solid var(--color-border); background: var(--btn-bg); color: var(--btn-color); cursor: pointer; transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast); }
.btn.primary { --btn-bg: var(--gradient-accent); --btn-color: #fff; border: none; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { background: var(--color-surface-glass); backdrop-filter: blur(4px); border: 1px solid var(--color-border); }
.btn.ghost:hover { background: var(--color-surface); }
.btn.full { width: 100%; }
.btn:active { transform: translateY(2px); }

/* Hero */
.hero { position: relative; min-height: 90vh; display: flex; align-items: center; padding: clamp(3rem,8vw,6.5rem) 0 4rem; overflow: hidden; }
.hero:before, .hero:after { content:""; position:absolute; inset:0; background: radial-gradient(circle at 30% 40%,rgba(199,54,61,0.15),transparent 60%), radial-gradient(circle at 80% 60%,rgba(128,42,156,0.18),transparent 70%); pointer-events:none; }
.hero h1 { font-family: var(--font-display); font-size: clamp(2.6rem,5.5vw,4.2rem); line-height: 1.05; margin: 0 0 1rem; letter-spacing: 1px; }
.hero h1 span { background: var(--gradient-accent); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 1.15rem; max-width: 46ch; color: var(--color-text-dim); }
.hero .cta-group { margin-top: 2rem; display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-media { margin-top: 3rem; aspect-ratio: 16 / 9; max-width: 760px; background: linear-gradient(135deg,#121721,#0b0d12); border: 1px solid var(--color-border); border-radius: var(--radius); position: relative; overflow: hidden; box-shadow: var(--shadow-elevate); }
.scroll-indicator { position: absolute; left: 50%; bottom: .75rem; transform: translateX(-50%); font-size: .75rem; letter-spacing: 2px; text-transform: uppercase; color: var(--color-text-dim); animation: float 2.8s ease-in-out infinite; }
@keyframes float { 0%,100% { transform: translate(-50%,0);} 50% { transform: translate(-50%,6px);} }

/* Features */
.features { background: linear-gradient(180deg,transparent,rgba(255,255,255,0.02)); }
.feature { padding: 1.4rem 1.2rem 1.6rem; background: var(--color-surface-glass); border: 1px solid var(--color-border); border-radius: var(--radius); backdrop-filter: blur(6px); position: relative; overflow: hidden; }
.feature:before { content:""; position: absolute; inset:0; background: linear-gradient(130deg,rgba(199,54,61,0.12),rgba(128,42,156,0.08)); opacity: 0; transition: opacity .4s; }
.feature:hover:before { opacity: 1; }
.feature h3 { margin-top: 0; font-size: 1.15rem; }

/* Game preview */
.game-preview .text-col { flex: 1 1 360px; }
.game-preview .media-col { flex: 1 1 320px; }
.card { border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1rem; }
.glass { background: var(--color-surface-glass); backdrop-filter: blur(10px); }
.checklist { list-style: none; margin: 1rem 0 0; padding: 0; display: grid; gap: .5rem; }
.checklist li { position: relative; padding-left: 1.4rem; }
.checklist li:before { content: "✔"; position: absolute; left: 0; top: 0; color: var(--color-accent); font-size: .9rem; }

/* Newsletter */
.form { margin-top: 1.5rem; }
.form-row { display: flex; flex-direction: column; gap: .35rem; margin-bottom: 1rem; }
input[type=email] { background: var(--color-surface-glass); border: 1px solid var(--color-border); padding: .85rem 1rem; border-radius: var(--radius-sm); font: inherit; color: var(--color-text); }
input[type=email]:focus { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.error-msg { color: #ff6464; min-height: 1.1rem; font-size: .8rem; }
.form-note { font-size: .75rem; color: var(--color-text-dim); }

/* Footer */
.site-footer { padding: 3rem 0 2rem; background: #090b10; border-top: 1px solid var(--color-border); font-size: .9rem; }
.footer-links { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .45rem; }
.footer-links a { color: var(--color-text-dim); text-decoration: none; }
.footer-links a:hover { color: var(--color-text); }
.social { display: flex; gap: .6rem; }
.icon-btn { width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center; background: var(--color-surface-glass); border: 1px solid var(--color-border); border-radius: 50%; text-decoration: none; color: var(--color-text-dim); font-weight: 600; }
.icon-btn:hover { color: var(--color-text); background: var(--color-surface); }
.legal { text-align: center; margin-top: 2.5rem; color: var(--color-text-dim); font-size: .7rem; letter-spacing: 1px; }

/* Utilities */
.text-center { text-align: center; }
.hidden { display: none !important; }
.gap-sm { gap: .5rem; }

/* Theme toggle */
.theme-toggle { background: var(--color-surface-glass); border: 1px solid var(--color-border); color: var(--color-text); padding: .6rem .8rem; border-radius: var(--radius-sm); cursor: pointer; }
.theme-toggle:hover { background: var(--color-surface); }

/* Mobile Nav */
@media (max-width: 860px) {
  .nav-toggle { display: inline-block; }
  .nav-menu { position: absolute; top: 100%; right: 1rem; width: min(260px, 90vw); background: #0d1016; flex-direction: column; padding: 1rem; border: 1px solid var(--color-border); border-radius: var(--radius); box-shadow: 0 10px 30px -8px rgba(0,0,0,.6); opacity: 0; pointer-events: none; transform: translateY(-8px); transition: .25s; }
  .nav-menu.open { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .nav-menu li { margin: 0; }
  .nav-menu a { padding: .65rem .5rem; display: block; border-radius: var(--radius-sm); }
  .nav-menu a:hover { background: var(--color-surface-glass); }
}

/* Light adjustments */
[data-theme='light'] .hero-media { background: linear-gradient(135deg,#f1f4f8,#dfe3e9); }
[data-theme='light'] .site-footer { background: #f2f4f7; }

/* Canvas ambient animation */
#heroCanvas { width: 100%; height: 100%; display: block; }

/* Animations / transitions */
.feature, .card, .btn, input[type=email] { transition: background .35s, border-color .35s, color .35s, filter .4s; }

/* Accessibility focus ring override */
:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}