/* =========================================================
   GameOnly — design tokens
   ========================================================= */
:root{
  --bg:            #14132B;
  --bg-soft:       #1B1938;
  --surface:       #201D45;
  --surface-hi:    #2A2657;
  --line:          #38335E;

  --text:          #F6F4FF;
  --text-dim:      #B6B2D9;
  --text-faint:    #837DAE;

  --amber:  #FFB93D;
  --coral:  #FF5D73;
  --mint:   #35D07F;
  --sky:    #5DC9FF;
  --ember:  #FF7A45;
  --violet: #B98BFF;

  --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body:    'Inter', 'Segoe UI', sans-serif;

  --radius: 18px;
  --container: 1180px;
}

*, *::before, *::after{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

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

body{
  background-image:
    radial-gradient(circle at 12% 8%, rgba(255,185,61,0.08), transparent 40%),
    radial-gradient(circle at 88% 4%, rgba(93,201,255,0.08), transparent 40%);
  background-attachment: fixed;
}

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

a{ color: inherit; text-decoration: none; }

ul{ list-style: none; margin: 0; padding: 0; }

h1, h2, h3, h4{
  font-family: var(--font-display);
  line-height: 1.15;
  margin: 0 0 .5em;
  letter-spacing: -0.01em;
}

p{ margin: 0 0 1em; color: var(--text-dim); }

.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 14px;
}
.eyebrow::before{
  content: "";
  width: 22px;
  height: 2px;
  background: var(--amber);
  display: inline-block;
}

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  padding: 14px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
  white-space: nowrap;
}
.btn:active{ transform: translateY(1px); }

.btn-primary{
  background: var(--amber);
  color: #1B1330;
  box-shadow: 0 8px 24px -8px rgba(255,185,61,0.55);
}
.btn-primary:hover{ box-shadow: 0 10px 30px -6px rgba(255,185,61,0.7); transform: translateY(-2px); }

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

.btn-small{
  padding: 10px 18px;
  font-size: 13.5px;
  width: 100%;
}

/* =========================================================
   Navbar
   ========================================================= */
.nav{
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(20, 19, 43, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.logo{
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  letter-spacing: -0.02em;
}

.logo-mark{
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--amber), var(--coral));
  display: grid;
  place-items: center;
  font-size: 16px;
  color: #1B1330;
  font-weight: 800;
  flex-shrink: 0;
}

.logo-sub{ color: var(--coral); }

.nav-links{
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links > li > a{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-dim);
  border-radius: 999px;
  transition: color .15s ease, background .15s ease;
}
.nav-links > li > a:hover{ color: var(--text); background: var(--surface); }

.nav-caret{
  width: 9px; height: 9px;
  border-right: 1.6px solid currentColor;
  border-bottom: 1.6px solid currentColor;
  transform: rotate(45deg);
  margin-top: -3px;
  transition: transform .18s ease;
}

.has-dropdown{ position: relative; }
.has-dropdown.is-open .nav-caret{ transform: rotate(225deg); margin-top: 3px; }

.dropdown{
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  min-width: 240px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .16s ease, transform .16s ease, visibility .16s ease;
  box-shadow: 0 20px 40px -14px rgba(0,0,0,0.55);
}

.has-dropdown.is-open .dropdown{
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-item{
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 14px;
  color: var(--text-dim);
}
.dropdown-item:hover{ background: var(--surface-hi); color: var(--text); }

.dropdown-dot{
  width: 8px; height: 8px;
  border-radius: 3px;
  flex-shrink: 0;
}

.nav-cta{ display: flex; align-items: center; gap: 10px; }

.nav-toggle{
  display: none;
  width: 42px; height: 42px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content: "";
  display: block;
  width: 18px; height: 2px;
  background: currentColor;
  position: relative;
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle span::before{ position: absolute; top: -6px; }
.nav-toggle span::after{ position: absolute; top: 6px; }

/* =========================================================
   Hero
   ========================================================= */
.hero{
  padding: 84px 0 60px;
  position: relative;
  overflow: hidden;
}

.hero-inner{
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.hero h1{
  font-size: clamp(36px, 5vw, 58px);
  font-weight: 700;
}

.hero h1 .hl{
  background: linear-gradient(90deg, var(--amber), var(--coral));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lede{
  font-size: 17.5px;
  max-width: 46ch;
  color: var(--text-dim);
}

.hero-actions{
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.hero-note{
  font-size: 13.5px;
  color: var(--text-faint);
}

.hero-stats{
  display: flex;
  gap: 28px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.hero-stat b{
  display: block;
  font-family: var(--font-display);
  font-size: 24px;
  color: var(--text);
}
.hero-stat span{
  font-size: 12.5px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* --- signature: animated 2048 merge board --- */
.hero-visual{
  display: flex;
  justify-content: center;
}

.merge-board{
  width: 100%;
  max-width: 340px;
  aspect-ratio: 1;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 14px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(4, 1fr);
  gap: 10px;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.6);
  position: relative;
}

.merge-board::after{
  content: "2048";
  position: absolute;
  top: -14px;
  right: 18px;
  background: linear-gradient(90deg, var(--amber), var(--coral));
  color: #1B1330;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  letter-spacing: 0.04em;
}

.tile{
  border-radius: 9px;
  background: var(--surface-hi);
}

.tile-live{
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: #1B1330;
  animation: tile-pop 4.8s ease-in-out infinite;
}

.t1{ background: #FFE3AC; animation-delay: 0s; }
.t2{ background: var(--amber); animation-delay: .2s; }
.t3{ background: var(--coral); animation-delay: .4s; color: #fff; }
.t4{ background: var(--mint); animation-delay: .6s; }

@keyframes tile-pop{
  0%, 8%{ transform: scale(1); }
  10%{ transform: scale(1.14); }
  14%, 100%{ transform: scale(1); }
}

@media (prefers-reduced-motion: reduce){
  .tile-live{ animation: none; }
}

/* =========================================================
   Feature strip
   ========================================================= */
.features{
  padding: 10px 0 70px;
}
.feature-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.feature-card{
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
}
.feature-card b{
  display: block;
  font-family: var(--font-display);
  font-size: 15.5px;
  margin-bottom: 6px;
}
.feature-card p{ font-size: 13.5px; margin: 0; }
.feature-icon{
  width: 34px; height: 34px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  margin-bottom: 14px;
  font-size: 16px;
}

/* =========================================================
   Games grid — cartridge cards
   ========================================================= */
.section{ padding: 70px 0; }
.section-head{
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.section-head h2{ font-size: clamp(28px, 3.4vw, 38px); margin: 0; }
.section-head p{ max-width: 52ch; margin: 0; }

.games-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.cart{
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .2s ease, border-color .2s ease;
}
.cart:hover{ transform: translateY(-5px); border-color: var(--line); }

.cart-screen{
  height: 150px;
  position: relative;
  display: grid;
  place-items: center;
  clip-path: polygon(0 0, 100% 0, 100% 82%, 92% 100%, 0 100%);
}

.cart-body{
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.cart-tag{
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.cart-body h3{ font-size: 20px; margin: 0; }
.cart-body p{ font-size: 14px; margin: 0; flex: 1; }

/* per-game screen colors */
.screen-2048{ background: linear-gradient(135deg, #3a2f12, #4a2416); }
.screen-ttt{ background: linear-gradient(135deg, #3a1522, #241a3f); }
.screen-guess{ background: linear-gradient(135deg, #123a2c, #1a2a3f); }
.screen-mines{ background: linear-gradient(135deg, #3a2412, #2a1533); }
.screen-snake{ background: linear-gradient(135deg, #10321f, #142a3a); }
.screen-sudoku{ background: linear-gradient(135deg, #12283a, #241a3f); }

/* =========================================================
   Long-form SEO content
   ========================================================= */
.article{
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.article-inner{
  max-width: 820px;
  margin: 0 auto;
}
.article h2{ font-size: 30px; }
.article h3{ font-size: 20px; margin-top: 34px; color: var(--text); }
.article p{ font-size: 15.5px; color: var(--text-dim); }

/* =========================================================
   FAQ
   ========================================================= */
.faq{ max-width: 780px; margin: 0 auto; }
.faq-item{
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 6px 20px;
  margin-bottom: 12px;
  background: var(--surface);
}
.faq-item summary{
  cursor: pointer;
  list-style: none;
  padding: 16px 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15.5px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.faq-item summary::-webkit-details-marker{ display: none; }
.faq-item summary::after{
  content: "+";
  font-size: 20px;
  color: var(--amber);
  flex-shrink: 0;
  margin-left: 12px;
}
.faq-item[open] summary::after{ content: "\2212"; }
.faq-item p{ padding-bottom: 16px; margin: 0; font-size: 14.5px; }

/* =========================================================
   CTA band
   ========================================================= */
.cta-band{
  background: linear-gradient(120deg, #2A2065, #3A1E3E);
  border-radius: 24px;
  padding: 54px 40px;
  text-align: center;
  margin: 0 24px;
}
.cta-band h2{ font-size: clamp(26px, 3.2vw, 34px); }
.cta-band p{ max-width: 48ch; margin: 0 auto 26px; }

/* =========================================================
   Footer
   ========================================================= */
.footer{
  padding: 64px 0 28px;
  border-top: 1px solid var(--line);
  margin-top: 40px;
}
.footer-grid{
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 40px;
}
.footer-brand p{ font-size: 13.5px; max-width: 32ch; }
.footer-col h4{
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 16px;
}
.footer-col ul li{ margin-bottom: 10px; }
.footer-col a{ font-size: 14px; color: var(--text-dim); }
.footer-col a:hover{ color: var(--amber); }

.footer-bottom{
  border-top: 1px solid var(--line);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-faint);
}

.disclaimer-note{
  font-size: 12.5px;
  color: var(--text-faint);
  max-width: 760px;
  margin: 24px auto 0;
  text-align: center;
}

/* =========================================================
   Simple inner pages (legal / about / contact)
   ========================================================= */
.page-hero{
  padding: 60px 0 30px;
  border-bottom: 1px solid var(--line);
}
.page-hero h1{ font-size: clamp(30px, 4vw, 42px); }
.page-body{
  max-width: 780px;
  margin: 0 auto;
  padding: 50px 24px 30px;
}
.page-body h2{ font-size: 22px; margin-top: 34px; }
.page-body p, .page-body li{ font-size: 15px; color: var(--text-dim); }
.page-body ul{ padding-left: 20px; list-style: disc; margin-bottom: 1em; }
.page-body li{ margin-bottom: 6px; }
.contact-form{
  display: grid;
  gap: 14px;
  margin-top: 24px;
}
.contact-form input, .contact-form textarea{
  width: 100%;
  padding: 13px 16px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14.5px;
}
.contact-form textarea{ min-height: 130px; resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus{
  outline: 2px solid var(--amber);
  outline-offset: 1px;
}

/* =========================================================
   Focus visibility
   ========================================================= */
a:focus-visible, button:focus-visible, summary:focus-visible{
  outline: 2px solid var(--amber);
  outline-offset: 2px;
  border-radius: 6px;
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 980px){
  .hero-inner{ grid-template-columns: 1fr; }
  .hero-visual{ order: -1; }
  .games-grid{ grid-template-columns: repeat(2, 1fr); }
  .feature-grid{ grid-template-columns: repeat(2, 1fr); }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px){
  .nav-links{
    position: absolute;
    top: 74px;
    left: 0; right: 0;
    background: var(--bg-soft);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    padding: 10px 16px 18px;
    display: none;
  }
  .nav-links.is-open{ display: flex; }
  .nav-links > li > a{ width: 100%; justify-content: space-between; }
  .dropdown{
    position: static;
    transform: none;
    opacity: 1; visibility: visible;
    display: none;
    box-shadow: none;
    margin-top: 4px;
  }
  .has-dropdown.is-open .dropdown{ display: block; }
  .nav-toggle{ display: flex; }
  .nav-cta .btn-ghost{ display: none; }
  .games-grid{ grid-template-columns: 1fr; }
  .feature-grid{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .cta-band{ margin: 0 16px; padding: 40px 22px; }
}