/* ==========================================================================
   Teen Patti Master — Premium Stylesheet
   Palette: Royal Blue / Dark Navy / Electric Blue Glow / Luxury Gold
   No framework. Handwritten, commented, organized by section.
   ========================================================================== */

/* ---------- 1. Design tokens ---------- */
:root {
  /* Core palette */
  --navy-950: #060a1c;
  --navy-900: #0a0e27;
  --navy-800: #101736;
  --navy-700: #16204a;
  --blue-royal: #1e3a8a;
  --blue-electric: #3ba7ff;
  --blue-glow: #5ec2ff;
  --gold-500: #d4af37;
  --gold-300: #f2d879;
  --gold-100: #fbeec1;

  --ink-100: #f4f6fb;
  --ink-300: #c4cbe0;
  --ink-500: #8b93b8;

  /* Glass surfaces */
  --glass-bg: rgba(255, 255, 255, 0.04);
  --glass-bg-strong: rgba(255, 255, 255, 0.07);
  --glass-border: rgba(255, 255, 255, 0.10);
  --glass-border-gold: rgba(212, 175, 55, 0.45);

  /* Gradients */
  --grad-royal: linear-gradient(135deg, #0d1a4a 0%, #1e3a8a 55%, #2a58c9 100%);
  --grad-gold: linear-gradient(135deg, #b8892f 0%, #d4af37 45%, #f2d879 100%);
  --grad-bg: radial-gradient(circle at 20% -10%, #16224f 0%, transparent 55%),
             radial-gradient(circle at 90% 10%, #0f1e4a 0%, transparent 45%),
             var(--navy-900);

  /* Typography */
  --font-display: "Cormorant Garamond", "Georgia", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;

  --fs-h1: clamp(2.4rem, 1.6rem + 4vw, 4.6rem);
  --fs-h2: clamp(1.9rem, 1.4rem + 2.2vw, 2.9rem);
  --fs-h3: clamp(1.2rem, 1.05rem + 0.6vw, 1.4rem);
  --fs-body: clamp(1rem, 0.95rem + 0.15vw, 1.08rem);
  --fs-small: 0.9rem;

  /* Spacing */
  --space-section: clamp(4rem, 3rem + 4vw, 8rem);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;

  /* Shadow */
  --shadow-luxury: 0 20px 60px -20px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.04) inset;
  --shadow-gold-glow: 0 0 24px rgba(212, 175, 55, 0.35);
  --shadow-blue-glow: 0 0 32px rgba(59, 167, 255, 0.35);

  --max-width: 1240px;
  --transition-fast: 180ms ease;
  --transition-med: 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--grad-bg);
  color: var(--ink-100);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; background: none; border: none; color: inherit; cursor: pointer; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.15; letter-spacing: 0.2px; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}
.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--gold-500); color: var(--navy-950);
  padding: 0.6rem 1rem; z-index: 999; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 2px solid var(--gold-300); outline-offset: 3px; border-radius: 4px; }

/* ---------- 3. Layout helpers ---------- */
.eyebrow {
  font-family: var(--font-body); font-size: 0.78rem; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--gold-300); margin-bottom: 0.75rem;
}
.section-head { max-width: 720px; margin: 0 auto var(--space-section); text-align: center; padding-inline: 1.25rem; }
.section-head h2 { margin-bottom: 0.6rem; }
.section-sub { color: var(--ink-300); }

section { padding: var(--space-section) 1.25rem; position: relative; }

/* ---------- 4. Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  font-family: var(--font-body); font-weight: 600; font-size: 0.98rem;
  padding: 0.9rem 1.9rem; border-radius: 999px; text-align: center;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  will-change: transform;
}
.btn-primary {
  background: var(--grad-royal);
  color: var(--ink-100);
  border: 1px solid var(--glass-border-gold);
  box-shadow: var(--shadow-blue-glow), 0 8px 20px -8px rgba(0,0,0,0.5);
  position: relative;
  overflow: hidden;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-blue-glow), var(--shadow-gold-glow), 0 12px 24px -8px rgba(0,0,0,0.55); }
.btn-primary:active { transform: translateY(0); }

.btn-shine::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.35) 48%, rgba(242, 216, 121, 0.4) 52%, transparent 70%);
  transform: translateX(-120%);
  animation: shine 3.6s ease-in-out infinite;
}
@keyframes shine {
  0%, 55% { transform: translateX(-120%); }
  75% { transform: translateX(120%); }
  100% { transform: translateX(120%); }
}

.btn-secondary {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--ink-100);
  backdrop-filter: blur(12px);
}
.btn-secondary:hover { background: var(--glass-bg-strong); border-color: var(--glass-border-gold); transform: translateY(-2px); }

.btn-large { padding: 1.05rem 2.4rem; font-size: 1.05rem; }
.btn-block { width: 100%; }
.btn-header { padding: 0.65rem 1.4rem; font-size: 0.9rem; }

.hero-ctas, .final-cta-inner { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }
.hero-ctas { justify-content: flex-start; }

/* ---------- 5. Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 14, 39, 0.72);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--glass-border);
}
.header-inner {
  max-width: var(--max-width); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.9rem 1.25rem; gap: 1.5rem;
}
.logo { display: flex; align-items: center; gap: 0.6rem; }
.logo-mark img { width: 36px; height: 36px; border-radius: 10px; }
.logo-text { font-family: var(--font-display); font-size: 1.25rem; font-weight: 700; color: var(--ink-100); }
.logo-text em { font-style: normal; color: var(--gold-300); }

.main-nav ul { display: flex; gap: 2rem; }
.main-nav a { font-size: 0.94rem; font-weight: 500; color: var(--ink-300); transition: color var(--transition-fast); }
.main-nav a:hover { color: var(--gold-300); }

.hamburger { display: none; flex-direction: column; gap: 5px; width: 28px; }
.hamburger span { display: block; height: 2px; background: var(--ink-100); border-radius: 2px; transition: transform var(--transition-fast), opacity var(--transition-fast); }
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  background: var(--navy-900); border-top: 1px solid var(--glass-border);
  padding: 1.25rem 1.25rem 1.75rem;
}
.mobile-menu ul { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.25rem; }
.mobile-menu a { font-size: 1.02rem; color: var(--ink-100); }

/* ---------- 6. Hero ---------- */
.hero { padding-top: clamp(3rem, 2rem + 4vw, 6rem); overflow: hidden; }
.hero-glow {
  position: absolute; inset: -10% -10% auto -10%; height: 700px;
  background: radial-gradient(circle at 30% 20%, rgba(59,167,255,0.22), transparent 60%),
              radial-gradient(circle at 80% 0%, rgba(212,175,55,0.14), transparent 55%);
  filter: blur(10px); z-index: 0;
}
.hero-inner {
  max-width: var(--max-width); margin: 0 auto; position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(2rem, 3vw, 4rem);
  align-items: center;
}
.hero h1 { font-size: var(--fs-h1); margin-bottom: 1.1rem; }
.hero-sub { color: var(--ink-300); font-size: 1.08rem; max-width: 46ch; margin-bottom: 2rem; }

.feature-badges { display: flex; gap: 1.4rem; flex-wrap: wrap; margin-top: 1.75rem; }
.feature-badges li { display: flex; align-items: center; gap: 0.5rem; font-size: 0.86rem; color: var(--ink-300); }
.badge-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gold-300); box-shadow: 0 0 8px var(--gold-300); }

.hero-visual { position: relative; display: flex; justify-content: center; }
.hero-image-placeholder {
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--navy-800), var(--navy-700));
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-luxury);
  aspect-ratio: 560/620;
  width: 100%; max-width: 420px;
}
.stat-card {
  position: absolute; padding: 0.9rem 1.2rem; border-radius: var(--radius-sm);
  background: var(--glass-bg-strong); border: 1px solid var(--glass-border-gold);
  backdrop-filter: blur(14px); box-shadow: var(--shadow-luxury);
  display: flex; flex-direction: column; gap: 0.15rem;
}
.stat-card--top { top: 6%; left: -6%; }
.stat-card--bottom { bottom: 8%; right: -8%; }
.stat-number { font-family: var(--font-display); font-size: 1.7rem; font-weight: 700; color: var(--gold-300); }
.stat-unit { font-size: 1rem; }
.stat-label { font-size: 0.78rem; color: var(--ink-300); }

.stats-row {
  max-width: var(--max-width); margin: clamp(3rem, 4vw, 5rem) auto 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
  border-top: 1px solid var(--glass-border); padding-top: 2.5rem;
}
.stat-block { text-align: center; }
.stat-block-number { display: block; font-family: var(--font-display); font-size: clamp(1.5rem, 1.2rem + 1vw, 2.1rem); color: var(--ink-100); font-weight: 700; }
.stat-block-label { font-size: 0.82rem; color: var(--ink-500); }

/* ---------- 7. Highlights ---------- */
.highlights-grid {
  max-width: var(--max-width); margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem;
}
.highlight-card {
  background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem; transition: transform var(--transition-med), border-color var(--transition-fast);
}
.highlight-card:hover { transform: translateY(-4px); border-color: var(--glass-border-gold); }
.icon-wrap {
  width: 46px; height: 46px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  background: var(--grad-royal); color: var(--gold-300); font-size: 1.3rem; margin-bottom: 1rem;
  box-shadow: var(--shadow-blue-glow);
}
.highlight-card h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }
.highlight-card p { color: var(--ink-300); font-size: 0.92rem; }

/* ---------- 8. About ---------- */
.about-inner {
  max-width: var(--max-width); margin: 0 auto;
  display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(2rem, 4vw, 4rem); align-items: center;
}
.about-media img {
  border-radius: var(--radius-lg); border: 1px solid var(--glass-border);
  background: linear-gradient(160deg, var(--navy-800), var(--navy-700));
  box-shadow: var(--shadow-luxury); aspect-ratio: 1/1;
}
.about-copy h2 { margin-bottom: 1.1rem; }
.about-copy p { color: var(--ink-300); margin-bottom: 1rem; max-width: 56ch; }
.checklist { margin-top: 1.25rem; display: flex; flex-direction: column; gap: 0.6rem; }
.checklist li { position: relative; padding-left: 1.6rem; color: var(--ink-100); font-size: 0.95rem; }
.checklist li::before { content: "✓"; position: absolute; left: 0; color: var(--gold-300); font-weight: 700; }

/* ---------- 9. Features grid ---------- */
.features-grid {
  max-width: var(--max-width); margin: 0 auto;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem;
}
.feature-card {
  background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-md);
  padding: 2rem 1.75rem; transition: transform var(--transition-med), box-shadow var(--transition-med), border-color var(--transition-fast);
}
.feature-card:hover { transform: translateY(-4px); border-color: var(--glass-border-gold); box-shadow: var(--shadow-luxury); }
.feature-card h3 { font-size: 1.15rem; margin-bottom: 0.5rem; color: var(--ink-100); }
.feature-card p { color: var(--ink-300); font-size: 0.94rem; }

/* ---------- 10. Gameplay steps ---------- */
.steps {
  max-width: var(--max-width); margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
}
.step {
  border-top: 1px solid var(--glass-border-gold); padding-top: 1.25rem; position: relative;
}
.step-number {
  font-family: var(--font-display); font-size: 1.6rem; font-weight: 700; color: var(--gold-300);
  display: block; margin-bottom: 0.75rem;
}
.step h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }
.step p { color: var(--ink-300); font-size: 0.92rem; }

/* ---------- 11. Hand rankings ---------- */
.rankings-table {
  max-width: 900px; margin: 0 auto;
  background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-md);
  overflow: hidden;
}
.rankings-row {
  display: grid; grid-template-columns: 70px 180px 1fr; gap: 1rem;
  padding: 1rem 1.5rem; border-bottom: 1px solid var(--glass-border);
  align-items: center; font-size: 0.92rem;
}
.rankings-row:last-child { border-bottom: none; }
.rankings-row--head {
  background: var(--glass-bg-strong); font-size: 0.78rem; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--gold-300); font-weight: 600;
}
.rank-num {
  font-family: var(--font-display); font-weight: 700; color: var(--gold-300); font-size: 1.15rem;
}
.rank-name { color: var(--ink-100); font-weight: 600; }
.rankings-row p, .rankings-row span:last-child { color: var(--ink-300); }

/* ---------- 12. Benefits ---------- */
.benefits-grid {
  max-width: var(--max-width); margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem;
}
.benefit-card {
  padding: 1.75rem 1.4rem; border-radius: var(--radius-md);
  background: linear-gradient(160deg, var(--glass-bg-strong), transparent);
  border: 1px solid var(--glass-border);
}
.benefit-card h3 { font-size: 1rem; margin-bottom: 0.4rem; color: var(--gold-100); }
.benefit-card p { font-size: 0.9rem; color: var(--ink-300); }

/* ---------- 13. Download ---------- */
.download {
  background: linear-gradient(180deg, transparent, rgba(30,58,138,0.15), transparent);
}
.download-inner {
  max-width: var(--max-width); margin: 0 auto;
  display: grid; grid-template-columns: 1.2fr 0.8fr; gap: clamp(2rem, 4vw, 4rem); align-items: start;
}
.download-copy h2 { margin-bottom: 0.6rem; }
.download-copy > p:first-of-type { color: var(--ink-300); margin-bottom: 1.75rem; }
.download-meta {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-bottom: 2rem;
}
.download-meta > div {
  background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-sm);
  padding: 0.85rem 1.1rem;
}
.meta-label { display: block; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-500); }
.meta-value { font-weight: 600; color: var(--ink-100); }
.fine-print { margin-top: 1.25rem; font-size: 0.82rem; color: var(--ink-500); max-width: 52ch; }

.version-cards { display: flex; flex-direction: column; gap: 1.25rem; }
.version-card {
  border-radius: var(--radius-md); padding: 1.6rem; border: 1px solid var(--glass-border-gold);
  background: var(--glass-bg-strong); box-shadow: var(--shadow-luxury);
}
.version-card--muted { border-color: var(--glass-border); opacity: 0.82; }
.version-card h3 { font-size: 1.05rem; margin-bottom: 0.2rem; }
.version-tag { font-size: 0.78rem; color: var(--gold-300); margin-bottom: 0.9rem; }
.version-card ul { display: flex; flex-direction: column; gap: 0.45rem; }
.version-card li { font-size: 0.86rem; color: var(--ink-300); padding-left: 1rem; position: relative; }
.version-card li::before { content: "—"; position: absolute; left: 0; color: var(--ink-500); }

/* ---------- 14. Screenshots ---------- */
.screenshots-grid {
  max-width: var(--max-width); margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem;
}
.screenshots-grid img {
  border-radius: var(--radius-md); border: 1px solid var(--glass-border);
  background: linear-gradient(160deg, var(--navy-800), var(--navy-700));
  aspect-ratio: 280/560; box-shadow: var(--shadow-luxury);
}

/* ---------- 15. FAQ ---------- */
.faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 0.9rem; }
.faq-item {
  background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-sm);
  overflow: hidden; transition: border-color var(--transition-fast);
}
.faq-item:has(.faq-question[aria-expanded="true"]) { border-color: var(--glass-border-gold); }
.faq-question {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 1.1rem 1.4rem; font-size: 0.98rem; font-weight: 600; text-align: left;
}
.faq-icon { font-size: 1.3rem; color: var(--gold-300); transition: transform var(--transition-fast); }
.faq-question[aria-expanded="true"] .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height var(--transition-med);
  padding: 0 1.4rem;
}
.faq-answer p { padding-bottom: 1.1rem; color: var(--ink-300); font-size: 0.92rem; }

/* ---------- 16. Final CTA ---------- */
.final-cta {
  text-align: center; border-top: 1px solid var(--glass-border);
  background: radial-gradient(circle at 50% 0%, rgba(59,167,255,0.14), transparent 60%);
}
.final-cta h2 { font-size: var(--fs-h2); margin-bottom: 0.6rem; }
.final-cta p { color: var(--ink-300); margin-bottom: 2rem; }

/* ---------- 17. Footer ---------- */
.site-footer { background: var(--navy-950); border-top: 1px solid var(--glass-border); padding: 4rem 1.25rem 2rem; }
.footer-inner {
  max-width: var(--max-width); margin: 0 auto;
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2.5rem;
  padding-bottom: 3rem; border-bottom: 1px solid var(--glass-border);
}
.footer-brand p { color: var(--ink-500); font-size: 0.88rem; margin-top: 0.6rem; max-width: 30ch; }
.footer-col h3 { font-family: var(--font-body); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--gold-300); margin-bottom: 1rem; }
.footer-col ul { display: flex; flex-direction: column; gap: 0.65rem; }
.footer-col a { color: var(--ink-300); font-size: 0.9rem; }
.footer-col a:hover { color: var(--gold-300); }
.footer-link-strong { display: inline-block; margin-top: 0.75rem; color: var(--gold-300); font-weight: 600; font-size: 0.9rem; }

.footer-disclaimer { max-width: var(--max-width); margin: 2rem auto 0; }
.footer-disclaimer p { color: var(--ink-500); font-size: 0.8rem; max-width: 80ch; margin-bottom: 1rem; }
.footer-copy { font-size: 0.78rem; }

/* ---------- 18. Reveal animation ---------- */
[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* ---------- 19. Responsive ---------- */
@media (max-width: 1080px) {
  .highlights-grid, .benefits-grid, .screenshots-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .main-nav, .btn-header { display: none; }
  .hamburger { display: flex; }
  .hero-inner, .about-inner, .download-inner { grid-template-columns: 1fr; }
  .hero-visual { order: -1; margin-bottom: 1rem; }
  .hero-ctas { justify-content: center; text-align: center; }
  .hero-copy { text-align: center; }
  .hero-copy .hero-sub { margin-inline: auto; }
  .feature-badges { justify-content: center; }
  .stats-row { grid-template-columns: repeat(2, 1fr); gap: 1.75rem; }
  .about-media { max-width: 320px; margin: 0 auto; }
}

@media (max-width: 640px) {
  .highlights-grid, .benefits-grid, .features-grid, .steps, .screenshots-grid { grid-template-columns: 1fr; }
  .download-meta { grid-template-columns: 1fr 1fr; }
  .rankings-row { grid-template-columns: 46px 1fr; grid-template-areas: "num name" "num desc"; }
  .rankings-row--head { display: none; }
  .rankings-row span:last-child { grid-column: 1 / -1; padding-left: 46px; margin-top: 0.2rem; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .stat-card--top, .stat-card--bottom { position: static; margin-top: 0.75rem; display: inline-flex; }
  .hero-visual { display: flex; flex-direction: column; align-items: center; }
}

@media (max-width: 380px) {
  .footer-inner { grid-template-columns: 1fr; }
  section { padding-inline: 1rem; }
}