/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #fafaf8;
  --color-bg-alt: #f0efe9;
  --color-surface: #ffffff;
  --color-border: #e8e6df;
  --color-text: #1a1a18;
  --color-text-muted: #6b6a64;
  --color-accent: #e05a2b;
  --color-accent-2: #4a90d9;
  --color-accent-3: #6bbf59;
  --color-accent-light: #fdf0eb;
  --radius: 16px;
  --radius-sm: 8px;
  --shadow: 0 1px 4px rgba(0,0,0,0.04), 0 4px 16px rgba(0,0,0,0.06);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.1), 0 2px 8px rgba(0,0,0,0.06);
  --shadow-card: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.05);
  --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --transition: 0.2s ease;
  --max-width: 1160px;
}

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

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: #c04820; }

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

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

main { flex: 1; }

section { padding: 80px 0; }

/* ===== HEADER / NAV ===== */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
  text-decoration: none;
}
.nav-logo svg { width: 32px; height: 32px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition);
}
.nav-links a:hover,
.nav-links a.active { color: var(--color-accent); }

.nav-cta {
  background: var(--color-accent);
  color: #fff !important;
  padding: 8px 20px;
  border-radius: 50px;
  font-weight: 600;
  transition: background var(--transition), transform var(--transition) !important;
}
.nav-cta:hover {
  background: #c04820 !important;
  color: #fff !important;
  transform: translateY(-1px);
}

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 6px;
}
.nav-burger span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, #fff8f5 0%, #f0efe9 50%, #e8f4ff 100%);
  padding: 100px 0 80px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border: 1px solid #f5caba;
  padding: 5px 14px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.18;
  margin-bottom: 20px;
  max-width: 740px;
  margin-left: auto;
  margin-right: auto;
  letter-spacing: -0.02em;
}

.hero h1 em {
  font-style: normal;
  color: var(--color-accent);
}

.hero p {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto 36px;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  cursor: pointer;
  border: none;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(0,0,0,0.12); }

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover { background: #c04820; color: #fff; }

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}
.btn-secondary:hover { background: var(--color-bg-alt); color: var(--color-text); }

.hero-stats {
  display: flex;
  gap: 40px;
  justify-content: center;
  margin-top: 52px;
  flex-wrap: wrap;
}
.stat {
  text-align: center;
}
.stat-number {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--color-accent);
  display: block;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ===== SECTION HEADERS ===== */
.section-header {
  text-align: center;
  margin-bottom: 52px;
}
.section-tag {
  display: inline-block;
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section-header h2 {
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.section-header p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 520px;
  margin: 0 auto;
}

/* ===== CARDS GRID ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: #ddd9d0;
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
}
.icon-orange { background: #fdf0eb; }
.icon-blue { background: #ebf3fd; }
.icon-green { background: #edf7eb; }
.icon-purple { background: #f0ebfd; }
.icon-yellow { background: #fdf8eb; }

.card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.card p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ===== FEATURES (what you can do) ===== */
.features-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.feature-bullet {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 50%;
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.feature-item h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.feature-item p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

/* ===== COMING BACK / CTA ===== */
.cta-section {
  background: linear-gradient(135deg, #fff4f0, #f9f8f5, #f0f5ff);
  border-radius: var(--radius);
  padding: 64px 48px;
  text-align: center;
  border: 1px solid var(--color-border);
}
.cta-section h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}
.cta-section p {
  color: var(--color-text-muted);
  max-width: 480px;
  margin: 0 auto 28px;
  font-size: 1.02rem;
}

/* ===== PUZZLE CARD ===== */
.puzzle-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}
.puzzle-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: #ddd9d0;
}
.puzzle-type {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: 50px;
  margin-bottom: 14px;
}
.type-rebus { background: #fdf0eb; color: var(--color-accent); }
.type-word { background: #ebf3fd; color: var(--color-accent-2); }
.type-logic { background: #edf7eb; color: #3a9e29; }
.type-visual { background: #f0ebfd; color: #7b52d6; }
.type-daily { background: #fdf8eb; color: #c47a15; }

.puzzle-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.puzzle-question {
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: 18px;
  font-style: italic;
  line-height: 1.6;
}
.puzzle-hint {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}
.btn-answer {
  background: none;
  border: 1.5px solid var(--color-border);
  border-radius: 50px;
  padding: 7px 18px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: all var(--transition);
}
.btn-answer:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.puzzle-answer {
  display: none;
  margin-top: 14px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.92rem;
}
.puzzle-answer.visible { display: block; }
.answer-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}
.answer-text {
  font-weight: 600;
  color: var(--color-accent);
}

/* ===== BLOG ===== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.blog-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}
.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: #ddd9d0;
}
.blog-card-thumb {
  width: 100%;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}
.blog-card-body { padding: 22px; }
.blog-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.blog-tag {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: 2px 8px;
  border-radius: 50px;
}
.blog-date {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}
.read-time {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}
.blog-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
}
.blog-card p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===== PAGE HERO (inner pages) ===== */
.page-hero {
  background: linear-gradient(135deg, #fff8f5 0%, #f0efe9 100%);
  padding: 64px 0 48px;
  text-align: center;
}
.page-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.page-hero p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 500px;
  margin: 0 auto;
}

/* ===== ABOUT PAGE ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-visual {
  background: linear-gradient(135deg, #fff4f0, #f0f5ff);
  border-radius: var(--radius);
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem;
  border: 1px solid var(--color-border);
}
.about-text h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.about-text p {
  color: var(--color-text-muted);
  margin-bottom: 14px;
  font-size: 0.97rem;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}
.value-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
}
.value-icon { font-size: 2rem; margin-bottom: 12px; }
.value-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.value-card p { font-size: 0.86rem; color: var(--color-text-muted); }

/* ===== PROSE (privacy/terms) ===== */
.prose {
  max-width: 740px;
  margin: 0 auto;
}
.prose h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 40px 0 12px;
  letter-spacing: -0.01em;
}
.prose h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 28px 0 8px;
}
.prose p {
  color: var(--color-text-muted);
  margin-bottom: 14px;
  font-size: 0.97rem;
}
.prose ul {
  list-style: none;
  padding: 0;
  margin-bottom: 16px;
}
.prose ul li {
  padding: 5px 0 5px 22px;
  position: relative;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}
.prose ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}
.prose-meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 48px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--color-text);
  color: rgba(255,255,255,0.65);
  padding: 56px 0 32px;
  margin-top: auto;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .nav-logo {
  color: #fff;
  margin-bottom: 14px;
}
.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.6;
  max-width: 260px;
}
.footer-col h5 {
  color: #fff;
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 9px; }
.footer-col a {
  color: rgba(255,255,255,0.55);
  font-size: 0.88rem;
  transition: color var(--transition);
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== TIMELINE ===== */
.timeline {
  max-width: 640px;
  margin: 0 auto;
  position: relative;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--color-border);
}
.timeline-item {
  display: flex;
  gap: 24px;
  margin-bottom: 36px;
  position: relative;
}
.timeline-dot {
  width: 40px;
  min-width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-accent-light);
  border: 2px solid var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  position: relative;
  z-index: 1;
}
.timeline-content h4 {
  font-weight: 700;
  margin-bottom: 4px;
}
.timeline-content p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
}
.timeline-year {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

/* ===== PUZZLE PAGE FILTERS ===== */
.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.filter-btn {
  padding: 7px 18px;
  border-radius: 50px;
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: all var(--transition);
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

/* ===== MISC ===== */
.alt-bg { background: var(--color-bg-alt); }

/* ===== UPDATES ROW ===== */
.updates-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.update-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.update-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: #e8d5cc;
}
.update-icon {
  font-size: 1.6rem;
  min-width: 40px;
  margin-top: 2px;
}
.update-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-accent);
  display: block;
  margin-bottom: 5px;
}
.update-body h4 {
  font-size: 0.97rem;
  font-weight: 700;
  margin-bottom: 5px;
}
.update-body p {
  font-size: 0.86rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}
@media (max-width: 768px) {
  .updates-row { grid-template-columns: 1fr; }
}

.text-center { text-align: center; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; }

.divider {
  height: 1px;
  background: var(--color-border);
  margin: 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .about-visual { height: 200px; font-size: 4rem; }
}

@media (max-width: 640px) {
  section { padding: 56px 0; }
  .hero { padding: 72px 0 56px; }
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0; right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 24px;
    gap: 16px;
    z-index: 99;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .cta-section { padding: 40px 24px; }
  .hero-stats { gap: 24px; }
}