/* ============================================================
   Tap Party — Website Stylesheet
   Design tokens mirror the React Native app color system.
   ============================================================ */

/* ── Design Tokens ────────────────────────────────────────── */
:root {
  --bg-start:      #020617;
  --bg-mid:        #0e2853;
  --bg-end:        #020617;

  --text-primary:  #e5e7eb;
  --text-muted:    #94a3b8;
  --text-heading:  #ffffff;

  --accent-yellow: #facc15;
  --accent-gold:   #f59e0b;
  --accent-purple: #a855f7;
  --accent-pink:   #ec4899;
  --accent-green:  #22c55e;
  --accent-cyan:   #22d3ee;

  --card-bg:       rgba(32, 45, 75, 0.85);
  --card-border:   rgba(255, 255, 255, 0.08);
  --nav-bg:        rgba(2, 6, 23, 0.85);

  --radius-sm:     8px;
  --radius-md:     14px;
  --radius-lg:     22px;

  --shadow-yellow: 0 0 24px rgba(250, 204, 21, 0.35);
  --shadow-purple: 0 0 24px rgba(168, 85, 247, 0.35);
  --shadow-pink:   0 0 24px rgba(236, 72, 153, 0.35);

  --font:          'Inter', system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background-color: var(--bg-start);
  background-image: linear-gradient(
    180deg,
    var(--bg-start)  0%,
    var(--bg-mid)   35%,
    var(--bg-start) 65%,
    var(--bg-mid)   85%,
    var(--bg-start) 100%
  );
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

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

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

a:hover {
  color: #fff;
}

/* ── Layout Helpers ───────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 80px 0;
}

/* ── Navigation ───────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}

.nav__logo {
  height: 36px;
  width: auto;
  flex-shrink: 0;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
  flex-wrap: wrap;
}

.nav__links a {
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}

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

/* ── Hero Banner ─────────────────────────────────────────── */
.hero-banner {
  width: 100%;
  line-height: 0;
}

.hero-banner__img {
  display: block;
  width: 100%;
  max-width: 1024px;
  height: auto;
  margin: 0 auto;
}

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  text-align: center;
  padding: 100px 0 80px;
}

.hero__logo-wrap {
  display: inline-block;
  margin-bottom: 32px;
  filter: drop-shadow(0 0 40px rgba(168, 85, 247, 0.5))
          drop-shadow(0 0 80px rgba(236, 72, 153, 0.25));
  animation: hero-glow 4s ease-in-out infinite;
}

.hero__logo {
  height: 190px;
  width: auto;
  margin: 0 auto;
}

@keyframes hero-glow {
  0%, 100% { filter: drop-shadow(0 0 40px rgba(168, 85, 247, 0.5)) drop-shadow(0 0 80px rgba(236, 72, 153, 0.25)); }
  50%       { filter: drop-shadow(0 0 60px rgba(250, 204, 21, 0.5)) drop-shadow(0 0 100px rgba(168, 85, 247, 0.35)); }
}

.hero__eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-yellow);
  margin-bottom: 16px;
}

.hero__title {
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 800;
  color: var(--text-heading);
  line-height: 1.15;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 0%, var(--accent-yellow) 50%, var(--accent-pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero__badges {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-yellow) 0%, var(--accent-gold) 100%);
  color: #0f172a;
  box-shadow: var(--shadow-yellow);
}

.btn-primary:hover {
  box-shadow: 0 0 36px rgba(250, 204, 21, 0.55);
  color: #0f172a;
}

.btn-secondary {
  background: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--card-border);
  box-shadow: none;
}

.btn-secondary:hover {
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--text-heading);
}

.btn-icon {
  font-size: 1.2rem;
  line-height: 1;
}

/* ── Store Badges ─────────────────────────────────────────── */
.store-badges {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.badge-store {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  background: #000;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 10px;
  text-decoration: none;
  color: #fff;
  transition: transform 0.15s, border-color 0.2s, box-shadow 0.15s;
  min-width: 160px;
}

.badge-store:hover {
  transform: translateY(-2px);
  border-color: rgba(255,255,255,0.4);
  box-shadow: 0 6px 24px rgba(0,0,0,0.5);
  color: #fff;
}

.badge-store__logo {
  font-size: 1.75rem;
  line-height: 1;
  flex-shrink: 0;
}

.badge-store__text {
  display: flex;
  flex-direction: column;
}

.badge-store__sub {
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  opacity: 0.85;
  line-height: 1.2;
}

.badge-store__name {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

/* ── Section Headings ─────────────────────────────────────── */
.section-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-purple);
  margin-bottom: 12px;
  text-align: center;
}

.section-title {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 800;
  color: var(--text-heading);
  text-align: center;
  margin-bottom: 12px;
  line-height: 1.2;
}

.section-desc {
  text-align: center;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 56px;
  font-size: 1rem;
  line-height: 1.7;
}

/* ── Feature Cards ────────────────────────────────────────── */
.features {
  background: transparent;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(168, 85, 247, 0.4);
  box-shadow: var(--shadow-purple);
}

.feature-card__icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  line-height: 1;
}

.feature-card__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 10px;
}

.feature-card__desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── How To Play ──────────────────────────────────────────── */
.howto {
  background: transparent;
}

.howto__steps {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 640px;
  margin: 0 auto;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 24px 28px;
}

.step__number {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 800;
  color: #fff;
  box-shadow: var(--shadow-purple);
}

.step__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 6px;
}

.step__desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── Premium Banner ───────────────────────────────────────── */
.premium {
  padding: 80px 0;
}

.premium__card {
  position: relative;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 60px 48px;
  text-align: center;
  overflow: hidden;
  border: 1px solid transparent;
  background-clip: padding-box;
}

.premium__card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(135deg, var(--accent-yellow), var(--accent-purple), var(--accent-pink));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.premium__crown {
  font-size: 3rem;
  margin-bottom: 20px;
  line-height: 1;
  filter: drop-shadow(0 0 16px rgba(250, 204, 21, 0.6));
}

.premium__title {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 14px;
}

.premium__desc {
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 auto 32px;
  font-size: 1rem;
  line-height: 1.7;
}

.premium__pricing {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 32px;
}

.premium__price {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-yellow);
  line-height: 1;
}

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

.premium__perks {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 36px;
  list-style: none;
}

.premium__perks li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.perk-check {
  color: var(--accent-green);
  font-size: 1rem;
  font-weight: 700;
}

/* ── Footer ───────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--card-border);
  padding: 40px 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer__logo {
  height: 28px;
  width: auto;
  opacity: 0.7;
}

.footer__links {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  list-style: none;
}

.footer__links a {
  font-size: 0.825rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

.footer__copy {
  font-size: 0.8rem;
  color: var(--text-muted);
  width: 100%;
  text-align: center;
  margin-top: 16px;
}

/* ── Challenge Examples ───────────────────────────────────── */
.challenges__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.challenge-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.challenge-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-purple);
}

.challenge-card__tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.tag {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 20px;
}

.tag--chill   { background: rgba(34,211,238,0.15); color: var(--accent-cyan); border: 1px solid rgba(34,211,238,0.25); }
.tag--normal  { background: rgba(168,85,247,0.15);  color: var(--accent-purple); border: 1px solid rgba(168,85,247,0.25); }
.tag--lush    { background: rgba(236,72,153,0.15);  color: var(--accent-pink); border: 1px solid rgba(236,72,153,0.25); }
.tag--premium { background: rgba(250,204,21,0.12);  color: var(--accent-yellow); border: 1px solid rgba(250,204,21,0.25); }
.tag--free    { background: rgba(34,197,94,0.12);   color: var(--accent-green); border: 1px solid rgba(34,197,94,0.25); }

.challenge-card__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-heading);
  line-height: 1.3;
}

.challenge-card__desc {
  font-size: 0.845rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex: 1;
}

.challenges__cta {
  text-align: center;
  margin-top: 40px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.challenges__cta strong {
  color: var(--accent-yellow);
}

/* ── Divider ──────────────────────────────────────────────── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--card-border), transparent);
  margin: 0;
  border: none;
}

/* ── Age Notice Banner ────────────────────────────────────── */
.age-notice {
  background: rgba(250, 204, 21, 0.07);
  border-top: 1px solid rgba(250, 204, 21, 0.2);
  padding: 12px 0;
  text-align: center;
}

.age-notice p {
  font-size: 0.8rem;
  color: var(--accent-yellow);
  opacity: 0.8;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 900px) {
  .features__grid,
  .challenges__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  section {
    padding: 60px 0;
  }

  .hero {
    padding: 72px 0 60px;
  }

  .hero__logo {
    height: 130px;
  }

  .features__grid,
  .challenges__grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .feature-card {
    padding: 24px 16px;
  }

  .premium__card {
    padding: 40px 24px;
  }

  .premium__perks {
    gap: 16px;
    flex-direction: column;
    align-items: center;
  }

  .nav__links {
    gap: 14px;
  }

  .nav__links a {
    font-size: 0.8rem;
  }

  .footer__inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer__links {
    justify-content: center;
  }
}

@media (max-width: 400px) {
  .features__grid,
  .challenges__grid {
    grid-template-columns: 1fr;
  }

  .hero__badges {
    flex-direction: column;
    align-items: center;
  }
}