/* ---------------------------------------------------------------------- */
/* Rana Virtual — shared styles                                           */
/* ---------------------------------------------------------------------- */

:root {
  --color-bg: #0e1b16;
  --color-bg-alt: #132920;
  --color-surface: #16332a;
  --color-surface-alt: #1c3d32;
  --color-border: #274a3d;
  --color-text: #eef7f1;
  --color-text-muted: #a9c4b8;
  --color-primary: #3ddc84;
  --color-primary-dark: #2bb96c;
  --color-accent: #ffc857;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.25);
  --max-width: 1120px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--color-primary);
  color: #06120d;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  z-index: 1000;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* ---------------------------------------------------------------------- */
/* Header / nav                                                           */
/* ---------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(14, 27, 22, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 1.15rem;
  text-decoration: none;
  color: var(--color-text);
}

.nav__brand-mark {
  width: 34px;
  height: 34px;
  object-fit: contain;
  color: var(--color-primary);
}

.nav__toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  padding: 0.5rem 0.6rem;
  cursor: pointer;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__menu a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.15s ease;
}

.nav__menu a:hover,
.nav__menu a:focus-visible {
  color: var(--color-text);
}

@media (max-width: 720px) {
  .nav__toggle {
    display: inline-flex;
  }

  .nav__menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease;
  }

  .nav__menu--open {
    max-height: 400px;
  }

  .nav__menu li {
    width: 100%;
  }

  .nav__menu a {
    display: block;
    padding: 0.9rem 1.5rem;
    width: 100%;
    border-top: 1px solid var(--color-border);
  }
}

/* ---------------------------------------------------------------------- */
/* Buttons                                                                 */
/* ---------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

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

.btn--primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #06120d;
  box-shadow: 0 8px 24px rgba(61, 220, 132, 0.25);
}

.btn--ghost {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn--disabled,
.btn[aria-disabled="true"] {
  opacity: 0.55;
  pointer-events: none;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

/* ---------------------------------------------------------------------- */
/* Hero                                                                    */
/* ---------------------------------------------------------------------- */

.hero {
  padding: 5rem 0 4rem;
  background:
    radial-gradient(circle at 15% 20%, rgba(61, 220, 132, 0.18), transparent 45%),
    radial-gradient(circle at 85% 0%, rgba(255, 200, 87, 0.12), transparent 40%);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-primary);
  background: rgba(61, 220, 132, 0.12);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.1;
  margin: 0 0 1rem;
}

.hero__lead {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 46ch;
  margin: 0 0 2rem;
}

.hero__art {
  aspect-ratio: 3 / 4;
  max-width: 320px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}

.hero__art img {
  width: 55%;
  height: 55%;
  object-fit: contain;
}

@media (max-width: 860px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__lead {
    margin-left: auto;
    margin-right: auto;
  }

  .btn-row {
    justify-content: center;
  }

  .hero__art {
    order: -1;
  }
}

/* ---------------------------------------------------------------------- */
/* Sections                                                                */
/* ---------------------------------------------------------------------- */

section {
  padding: 4.5rem 0;
}

.section-head {
  max-width: 60ch;
  margin: 0 auto 2.75rem;
  text-align: center;
}

.section-head h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.1rem);
  margin: 0 0 0.75rem;
}

.section-head p {
  color: var(--color-text-muted);
  margin: 0;
}

.section--alt {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

/* About / how to play */

.about__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}

.card__icon {
  width: 40px;
  height: 40px;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.card p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

@media (max-width: 860px) {
  .about__grid {
    grid-template-columns: 1fr;
  }
}

/* Features */

.features__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

@media (max-width: 960px) {
  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

/* Screenshots */

.screenshots__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.screenshot-placeholder {
  aspect-ratio: 9 / 16;
  border-radius: var(--radius-lg);
  border: 1.5px dashed var(--color-border);
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  text-align: center;
  padding: 1rem;
}

.screenshot-placeholder svg {
  width: 32px;
  height: 32px;
  opacity: 0.6;
}

@media (max-width: 960px) {
  .screenshots__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Download / CTA */

.cta {
  text-align: center;
}

.cta .btn-row {
  justify-content: center;
  margin-top: 1.75rem;
}

.cta__note {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ---------------------------------------------------------------------- */
/* Footer                                                                  */
/* ---------------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 2.5rem 0;
  background: var(--color-bg-alt);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer__links a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 600;
}

.footer__links a:hover {
  color: var(--color-text);
}

.footer__meta {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin: 0;
}

/* ---------------------------------------------------------------------- */
/* Legal / privacy page                                                    */
/* ---------------------------------------------------------------------- */

.legal {
  padding: 3.5rem 0 5rem;
}

.legal__header {
  max-width: 70ch;
  margin: 0 auto 2.5rem;
}

.legal__header h1 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin: 0 0 0.5rem;
}

.legal__updated {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.legal__body {
  max-width: 70ch;
  margin: 0 auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 4vw, 3rem);
}

.legal__body h2 {
  font-size: 1.25rem;
  margin: 2rem 0 0.75rem;
}

.legal__body h2:first-child {
  margin-top: 0;
}

.legal__body h3 {
  font-size: 1.05rem;
  margin: 1.5rem 0 0.5rem;
}

.legal__body p,
.legal__body li {
  color: var(--color-text-muted);
  font-size: 0.98rem;
}

.legal__body ul {
  padding-left: 1.25rem;
}

.legal__body li {
  margin-bottom: 0.4rem;
}

.legal__body a {
  color: var(--color-primary);
}

.legal__toc {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
}

.legal__toc p {
  margin: 0 0 0.5rem;
  font-weight: 700;
  color: var(--color-text);
}

.legal__toc ol {
  margin: 0;
  padding-left: 1.25rem;
  columns: 2;
  font-size: 0.9rem;
}

@media (max-width: 560px) {
  .legal__toc ol {
    columns: 1;
  }
}