/* ============================================================
   Durak - Card Game | Shared Stylesheet
   Dark green theme matching the iOS app
   ============================================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg:           #0F1F14;
  --bg-card:      #1A3324;
  --bg-section:   #162B1E;
  --gradient-dark: #1F5C3F;
  --gradient-mid:  #2D7A56;
  --accent:       #3DBF7E;
  --accent-dim:   #2E9E67;
  --accent-glow:  rgba(61, 191, 126, 0.18);
  --text:         #E8F5EE;
  --text-muted:   #8AB89A;
  --text-dim:     #557060;
  --border:       rgba(61, 191, 126, 0.18);
  --border-strong: rgba(61, 191, 126, 0.35);
  --radius:       12px;
  --radius-lg:    18px;
  --shadow:       0 4px 24px rgba(0, 0, 0, 0.45);
  --shadow-sm:    0 2px 10px rgba(0, 0, 0, 0.30);
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               Helvetica, Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  line-height: 1.25;
  font-weight: 700;
}

h1 { font-size: clamp(2.2rem, 6vw, 3.6rem); letter-spacing: -0.5px; }
h2 { font-size: clamp(1.5rem, 4vw, 2.2rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.35rem); }
h4 { font-size: 1rem; }

p {
  color: var(--text-muted);
  max-width: 68ch;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: #6FDBAA;
  text-decoration: underline;
}

ul {
  list-style: none;
}

/* --- Layout Utilities --- */
.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

.container--wide {
  max-width: 1100px;
}

section {
  padding: 80px 0;
}

/* --- Navigation --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 31, 20, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav__logo {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.5px;
  text-decoration: none;
}

.nav__logo:hover {
  color: #6FDBAA;
  text-decoration: none;
}

.nav__links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav__links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
  text-decoration: none;
}

.nav__links a:hover {
  color: var(--accent);
  text-decoration: none;
}

/* --- Hero Section --- */
.hero {
  padding: 100px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(45, 122, 86, 0.22) 0%, transparent 65%);
  pointer-events: none;
}

.hero__eyebrow {
  display: inline-block;
  background: var(--accent-glow);
  border: 1px solid var(--border-strong);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero__title {
  color: var(--text);
  margin-bottom: 16px;
}

.hero__title span {
  color: var(--accent);
}

.hero__tagline {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-muted);
  margin: 0 auto 20px;
  max-width: 52ch;
}

.hero__description {
  font-size: 1rem;
  color: var(--text-dim);
  margin: 0 auto 44px;
  max-width: 58ch;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background 0.2s;
  text-decoration: none;
  line-height: 1;
}

.btn--primary {
  background: linear-gradient(135deg, var(--gradient-mid), var(--gradient-dark));
  color: #fff;
  box-shadow: 0 4px 20px rgba(45, 122, 86, 0.5);
  border: 1px solid var(--border-strong);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(45, 122, 86, 0.65);
  color: #fff;
  text-decoration: none;
}

.btn--primary:active {
  transform: translateY(0);
}

.btn--outline {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--border-strong);
}

.btn--outline:hover {
  background: var(--accent-glow);
  color: var(--accent);
  text-decoration: none;
}

.btn__icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

/* App Store badge area */
.hero__cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.appstore-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #000;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 14px;
  padding: 10px 22px;
  text-decoration: none;
  transition: transform 0.15s, border-color 0.2s;
}

.appstore-badge:hover {
  transform: translateY(-2px);
  border-color: rgba(255,255,255,0.35);
  text-decoration: none;
}

.appstore-badge__icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  fill: #fff;
}

.appstore-badge__text {
  display: flex;
  flex-direction: column;
}

.appstore-badge__sub {
  font-size: 0.65rem;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.5px;
}

.appstore-badge__main {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}

.hero__note {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* --- Feature Badges Strip --- */
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 48px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: 100px;
}

.badge__dot {
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* --- Features Section --- */
.features {
  background: var(--bg-section);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header p {
  margin: 12px auto 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
}

.feature-card__icon {
  font-size: 1.8rem;
  margin-bottom: 14px;
  display: block;
}

.feature-card__title {
  color: var(--text);
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.feature-card__desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  max-width: 100%;
}

/* --- How to Play Section --- */
.how-to-play__steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 0;
}

.step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  position: relative;
}

.step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--gradient-mid), var(--gradient-dark));
  border-radius: 50%;
  font-size: 0.85rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}

.step__text {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 100%;
}

/* --- Screenshots Section --- */
.screenshots {
  text-align: center;
}

.screenshots-row {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 0;
}

.screenshot-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.screenshot-img {
  width: 180px;
  height: auto;
  border-radius: 22px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: transform 0.3s, border-color 0.2s;
}

.screenshot-img:hover {
  transform: scale(1.04);
  border-color: var(--border-strong);
}

.screenshot-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
}

/* --- Themes Section --- */
.themes-section {
  background: var(--bg-section);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.themes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.theme-card {
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  border: 1px solid transparent;
}

.theme-card--clean {
  background: linear-gradient(145deg, #1A3B2A, #0F1F14);
  border-color: rgba(61, 191, 126, 0.25);
}

.theme-card--classic {
  background: linear-gradient(145deg, #471018, #2D101A);
  border-color: rgba(210, 160, 60, 0.25);
}

.theme-card--casual {
  background: linear-gradient(145deg, #333338, #1F1F23);
  border-color: rgba(150, 100, 220, 0.25);
}

.theme-card__swatch {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.swatch {
  width: 28px;
  height: 44px;
  border-radius: 6px;
}

.theme-card__name {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.theme-card--clean  .theme-card__name { color: #3DBF7E; }
.theme-card--classic .theme-card__name { color: #D2A03C; }
.theme-card--casual  .theme-card__name { color: #9668DC; }

.theme-card__desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  max-width: 100%;
}

/* --- Page Header (inner pages) --- */
.page-header {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--border);
}

.page-header__back {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  transition: color 0.2s;
  text-decoration: none;
}

.page-header__back:hover {
  color: var(--accent);
  text-decoration: none;
}

.page-header__eyebrow {
  display: inline-block;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.page-header h1 {
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  margin-bottom: 12px;
}

.page-header p {
  font-size: 1rem;
  color: var(--text-muted);
}

/* --- Content Prose (Support / Privacy) --- */
.content-section {
  padding: 56px 0;
}

.content-section + .content-section {
  border-top: 1px solid var(--border);
  padding-top: 56px;
}

.prose h2 {
  font-size: 1.35rem;
  color: var(--text);
  margin-bottom: 18px;
}

.prose h3 {
  font-size: 1.05rem;
  color: var(--accent);
  margin: 28px 0 10px;
}

.prose p {
  color: var(--text-muted);
  margin-bottom: 14px;
  max-width: 72ch;
}

.prose ul {
  list-style: none;
  margin: 0 0 16px;
}

.prose ul li {
  color: var(--text-muted);
  padding: 4px 0 4px 20px;
  position: relative;
  font-size: 0.95rem;
}

.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0.7;
}

.prose a {
  color: var(--accent);
}

/* --- FAQ --- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 8px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 26px;
  transition: border-color 0.2s;
}

.faq-item:hover {
  border-color: var(--border-strong);
}

.faq-item__q {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}

.faq-item__a {
  font-size: 0.92rem;
  color: var(--text-muted);
  max-width: 100%;
  margin: 0;
}

.faq-item__a a {
  color: var(--accent);
}

/* --- Contact Card --- */
.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
  max-width: 520px;
}

.contact-card__icon {
  font-size: 2rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-card__label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.contact-card__email {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
}

.contact-card__email a {
  color: var(--text);
}

.contact-card__email a:hover {
  color: var(--accent);
}

.contact-card__sub {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin: 6px 0 0;
  max-width: 100%;
}

/* --- Privacy Policy specific --- */
.policy-meta {
  background: var(--bg-card);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 14px 20px;
  margin-bottom: 40px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.policy-section {
  margin-bottom: 40px;
}

.policy-section h2 {
  font-size: 1.25rem;
  color: var(--text);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.policy-section p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 12px;
  max-width: 72ch;
}

.policy-section ul {
  list-style: none;
  margin: 0 0 16px;
}

.policy-section ul li {
  color: var(--text-muted);
  padding: 5px 0 5px 22px;
  position: relative;
  font-size: 0.92rem;
}

.policy-section ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0.6;
}

/* --- Footer --- */
.footer {
  background: var(--bg-section);
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: start;
  margin-bottom: 36px;
}

.footer__brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 8px;
}

.footer__brand-desc {
  font-size: 0.85rem;
  color: var(--text-dim);
  max-width: 34ch;
  margin: 0;
}

.footer__nav-heading {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.footer__nav-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer__nav-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.2s;
  text-decoration: none;
}

.footer__nav-links a:hover {
  color: var(--accent);
  text-decoration: none;
}

.footer__bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer__copy {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin: 0;
}

.footer__copy a {
  color: var(--text-dim);
  text-decoration: none;
}

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

.footer__legal-links {
  display: flex;
  gap: 20px;
}

.footer__legal-links a {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}

.footer__legal-links a:hover {
  color: var(--accent);
  text-decoration: none;
}

/* --- Divider --- */
.divider {
  height: 1px;
  background: var(--border);
  border: none;
  margin: 0;
}

/* --- Utility --- */
.text-accent { color: var(--accent); }
.text-muted  { color: var(--text-muted); }
.text-center { text-align: center; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }
.mb-0  { margin-bottom: 0; }

/* --- Responsive --- */
@media (max-width: 680px) {
  section { padding: 56px 0; }

  .hero { padding: 72px 0 56px; }

  .nav__links { gap: 18px; }

  .footer__inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .screenshots-row {
    gap: 12px;
  }

  .screenshot-img {
    width: 140px;
  }

  .contact-card {
    flex-direction: column;
    gap: 12px;
  }

  .features-grid,
  .how-to-play__steps {
    grid-template-columns: 1fr;
  }

  .themes-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 420px) {
  .container { padding: 0 16px; }

  h1 { font-size: 2rem; }

  .screenshot-img {
    width: 110px;
  }
}