/* ============================================================
   EinsteinIQTest.com - Games Section Stylesheet
   Matches homepage design: orange accent, dark navy headings,
   soft blue-lavender gradient, white sticky header.
   ============================================================ */

:root {
  --orange: #f97316;
  --orange-dark: #ea580c;
  --orange-soft: #fff2e6;
  --dark: #1a1a2e;
  --dark-2: #2d2d44;
  --text: #4a5268;
  --muted: #7a8199;
  --card: #ffffff;
  --border: #e6e8f0;
  --green: #16a34a;
  --green-soft: #e8f7ee;
  --red: #dc2626;
  --red-soft: #fdeaea;
  --blue: #2563eb;
  --blue-soft: #e8effd;
  --gold: #d97706;
  --shadow: 0 4px 18px rgba(26, 26, 46, 0.07);
  --shadow-lg: 0 12px 32px rgba(26, 26, 46, 0.12);
  --radius: 14px;
  --font: "Poppins", "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: #fbfbfe;
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

h1, h2, h3, h4 { color: var(--dark); line-height: 1.25; font-weight: 700; }

a { color: var(--orange-dark); text-decoration: none; }
a:hover { color: var(--orange); }

img { max-width: 100%; }

/* ============================ HEADER ============================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #ffffff;
  border-bottom: 3px solid var(--orange);
  box-shadow: 0 2px 10px rgba(26, 26, 46, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 68px;
  flex-wrap: wrap;
  position: relative;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 21px;
  color: var(--dark);
  letter-spacing: -0.3px;
  white-space: nowrap;
}

.logo:hover { color: var(--dark); }

.logo img { height: 44px; width: auto; }

.logo-accent { color: var(--orange); }

.logo-tld { color: var(--muted); font-size: 13px; font-weight: 600; }

.nav-toggle { display: none; }

.nav-burger { display: none; cursor: pointer; padding: 8px; }
.nav-burger span {
  display: block;
  width: 24px;
  height: 3px;
  border-radius: 2px;
  background: var(--dark);
  margin: 5px 0;
  transition: 0.25s;
}

.site-nav { display: flex; align-items: center; gap: 26px; }

.site-nav a {
  color: var(--dark);
  font-weight: 600;
  font-size: 15px;
  padding: 22px 0 18px;
  border-bottom: 3px solid transparent;
  transition: color 0.2s;
}

.site-nav a:hover { color: var(--orange); }

.site-nav a.active {
  color: var(--dark);
  border-bottom-color: var(--orange);
}

@media (max-width: 920px) {
  .nav-burger { display: block; order: 3; }
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #ffffff;
    flex-direction: column;
    gap: 0;
    border-bottom: 3px solid var(--orange);
    box-shadow: var(--shadow-lg);
  }
  .nav-toggle:checked ~ .site-nav { display: flex; }
  .site-nav a { padding: 14px 20px; width: 100%; border-bottom: 1px solid var(--border); }
  .site-nav a.active { border-bottom: 1px solid var(--border); color: var(--orange); }
  .nav-toggle:checked ~ .nav-burger span:nth-child(1) { transform: rotate(45deg) translate(6px, 5px); }
  .nav-toggle:checked ~ .nav-burger span:nth-child(2) { opacity: 0; }
  .nav-toggle:checked ~ .nav-burger span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }
}

/* ============================ BREADCRUMB ============================ */

.breadcrumb {
  font-size: 13.5px;
  color: var(--muted);
  padding: 14px 0 0;
}

.breadcrumb a { color: var(--muted); font-weight: 500; }
.breadcrumb a:hover { color: var(--orange); }
.breadcrumb .sep { margin: 0 7px; color: #c3c8d8; }
.breadcrumb .current { color: var(--orange-dark); font-weight: 600; }

/* ============================ HERO ============================ */

.hero {
  background: linear-gradient(135deg, #eaf1f9 0%, #eceafa 55%, #f4ecf7 100%);
  padding: 42px 0 34px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(30px, 5vw, 44px);
  font-weight: 800;
  letter-spacing: -0.5px;
  max-width: 820px;
  margin: 0 auto 14px;
}

.hero h1 .accent { color: var(--orange); }

.hero .lead {
  max-width: 720px;
  margin: 0 auto;
  font-size: 16.5px;
  color: var(--text);
}

.hero-badges {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.hero-badge {
  background: #ffffff;
  border: 1px solid var(--border);
  color: var(--dark-2);
  font-size: 12.5px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  box-shadow: var(--shadow);
}

/* ============================ GAME CARDS GRID ============================ */

.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 22px;
  margin: 30px 0 10px;
}

.game-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--shadow);
  transition: transform 0.22s, box-shadow 0.22s;
}

.game-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  width: 54px;
  height: 54px;
  border-radius: 13px;
  background: var(--orange-soft);
  color: var(--orange);
  font-size: 27px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
}

.game-card h3 { font-size: 18.5px; font-weight: 700; }
.game-card h3 a { color: var(--dark); }
.game-card h3 a:hover { color: var(--orange); }

.game-card p { font-size: 14px; color: var(--muted); flex-grow: 1; }

.card-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag {
  font-size: 11.5px;
  font-weight: 600;
  padding: 4px 11px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue);
}

.tag.alt { background: var(--green-soft); color: var(--green); }

.card-play {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--orange);
  color: #ffffff;
  font-weight: 700;
  font-size: 14.5px;
  padding: 11px 18px;
  border-radius: 10px;
  transition: background 0.2s, transform 0.15s;
}

.card-play:hover { background: var(--orange-dark); color: #ffffff; transform: translateY(-1px); }

/* ============================ SECTIONS ============================ */

.section { padding: 44px 0 8px; }

.section > .wrap > h2 {
  font-size: 27px;
  font-weight: 800;
  letter-spacing: -0.3px;
  margin-bottom: 16px;
  position: relative;
  padding-left: 16px;
}

.section > .wrap > h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 5px;
  border-radius: 3px;
  background: var(--orange);
}

.section h3 {
  font-size: 19px;
  margin: 26px 0 10px;
}

.section p { margin-bottom: 14px; }

.section ul, .section ol { margin: 0 0 16px 22px; }
.section li { margin-bottom: 8px; }

.section .wrap > p > strong, .section li strong { color: var(--dark); }

.note-box {
  background: var(--orange-soft);
  border-left: 4px solid var(--orange);
  border-radius: 0 10px 10px 0;
  padding: 14px 18px;
  margin: 18px 0;
  font-size: 15px;
}

.info-box {
  background: var(--blue-soft);
  border-left: 4px solid var(--blue);
  border-radius: 0 10px 10px 0;
  padding: 14px 18px;
  margin: 18px 0;
  font-size: 15px;
}

/* Difficulty table */

.diff-table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  background: #ffffff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  font-size: 14.5px;
}

.diff-table th, .diff-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.diff-table th {
  background: var(--dark);
  color: #ffffff;
  font-weight: 600;
  font-size: 13.5px;
}

.diff-table tr:last-child td { border-bottom: none; }
.diff-table td:first-child { font-weight: 700; color: var(--dark); }

/* ============================ FAQ ============================ */

.faq-list { margin-top: 20px; display: grid; gap: 12px; }

.faq-list details {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.faq-list summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 20px;
  font-weight: 600;
  color: var(--dark);
  font-size: 15.5px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.faq-list summary::-webkit-details-marker { display: none; }

.faq-list summary::after {
  content: "+";
  font-size: 21px;
  font-weight: 700;
  color: var(--orange);
  flex-shrink: 0;
  transition: transform 0.2s;
}

.faq-list details[open] summary::after { transform: rotate(45deg); }

.faq-list details p { padding: 0 20px 16px; font-size: 14.5px; }

/* ============================ GAME SHELL ============================ */

.game-shell {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
  padding: 26px 22px 30px;
  margin: 30px 0 10px;
  text-align: center;
}

.game-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.game-title-small {
  font-size: 17px;
  font-weight: 700;
  color: var(--dark);
}

.game-stats {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.stat-pill {
  background: #f4f5fa;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--dark-2);
  padding: 7px 15px;
  min-width: 74px;
}

.stat-pill .lbl { color: var(--muted); font-weight: 500; margin-right: 6px; }

/* Sound toggle button, shared by every game */

.snd-btn {
  font-family: var(--font);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--dark-2);
  background: #f4f5fa;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 15px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.snd-btn:hover { border-color: var(--orange); color: var(--orange); }
.snd-btn.off { color: var(--muted); }

/* Mini progress bar used inside game shells */

.game-bar {
  width: 100%;
  max-width: 430px;
  height: 10px;
  background: #eceef6;
  border-radius: 999px;
  margin: 0 auto 14px;
  overflow: hidden;
}

.game-bar > div {
  height: 100%;
  width: 100%;
  background: var(--orange);
  border-radius: 999px;
  transition: width 0.9s linear;
}

.game-bar.low > div { background: var(--red); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  cursor: pointer;
  font-family: var(--font);
  font-weight: 700;
  font-size: 14.5px;
  padding: 11px 20px;
  border-radius: 10px;
  transition: background 0.2s, transform 0.12s, box-shadow 0.2s;
}

.btn:active { transform: scale(0.97); }

.btn-primary { background: var(--orange); color: #fff; }
.btn-primary:hover { background: var(--orange-dark); box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35); }

.btn-ghost {
  background: #ffffff;
  color: var(--dark);
  border: 2px solid var(--border);
}
.btn-ghost:hover { border-color: var(--orange); color: var(--orange); }

.btn-green { background: var(--green); color: #fff; }
.btn-green:hover { background: #15803d; }

.btn-blue { background: var(--blue); color: #fff; }
.btn-blue:hover { background: #1d4ed8; }

.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.select-chip {
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  color: var(--dark);
  padding: 10px 14px;
  border-radius: 10px;
  border: 2px solid var(--border);
  background: #ffffff;
  cursor: pointer;
}

.select-chip:focus { outline: none; border-color: var(--orange); }

.game-msg {
  min-height: 28px;
  font-size: 15px;
  font-weight: 600;
  margin: 14px auto 4px;
  transition: color 0.2s;
}

.game-msg.good { color: var(--green); }
.game-msg.bad { color: var(--red); }
.game-msg.info { color: var(--blue); }

/* ============================ AD SLOT ============================ */

.ad-slot {
  margin: 26px auto;
  max-width: 728px;
  min-height: 90px;
  background: #f4f5fa;
  border: 1px dashed #c9cede;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 12.5px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ============================ CTA ============================ */

.cta-box {
  background: linear-gradient(120deg, var(--dark) 0%, #24244a 100%);
  border-radius: 18px;
  padding: 36px 30px;
  text-align: center;
  margin: 34px 0 10px;
  color: #cfd3e4;
}

.cta-box h2 { color: #ffffff; font-size: 25px; margin-bottom: 10px; }
.cta-box h2 .accent { color: var(--orange); }
.cta-box p { max-width: 600px; margin: 0 auto 20px; font-size: 15px; }

.cta-box .btn-primary { font-size: 15.5px; padding: 13px 26px; }

/* ============================ FOOTER ============================ */

.site-footer {
  background: var(--dark);
  color: #aab0c5;
  margin-top: 56px;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 34px;
  padding: 46px 20px 34px;
}

.footer-logo {
  font-size: 20px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 12px;
}

.footer-logo span { color: var(--orange); }

.site-footer h4 {
  color: #ffffff;
  font-size: 14.5px;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.site-footer a {
  display: block;
  color: #aab0c5;
  padding: 4px 0;
  font-size: 13.5px;
}

.site-footer a:hover { color: var(--orange); }

.site-footer p { font-size: 13.5px; line-height: 1.75; }

.footer-bottom {
  border-top: 1px solid #2d2d44;
  text-align: center;
  padding: 16px 20px;
  font-size: 13px;
  color: #7d84a0;
}

@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
}

/* ============================ UTILITIES ============================ */

.center { text-align: center; }
.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }
.hidden { display: none !important; }

@media (max-width: 600px) {
  .game-shell { padding: 18px 12px 22px; }
  .hero { padding: 30px 0 26px; }
  .section { padding: 34px 0 6px; }
  .diff-table { display: block; overflow-x: auto; }
  .diff-table th, .diff-table td { padding: 10px 10px; }
}