/* ═══════════════════════════════════════════════════════════════
   PaintLogic Marketing — Unified Design Tokens & Glass Utilities
   Font stack: DM Sans + JetBrains Mono (unified with app)
   Accent: Blue #2563EB / #60A5FA (unified with app)
   ═══════════════════════════════════════════════════════════════ */

/* ═══ DESIGN TOKENS ═══ */
:root {
  --bg:          #0B0F1A;
  --bg-alt:      #0F1422;
  --accent:      #3B82F6;
  --accent-lt:   #60A5FA;
  --accent-dk:   #2563EB;
  --copper:      #E8853A;
  --copper-soft: rgba(232,133,58,.1);
  --green:       #34D399;
  --red:         #F87171;
  --purple:      #A78BFA;
  --text:        #F1F5F9;
  --text-sec:    #94A3B8;
  --text-muted:  #64748B;
  --border:      rgba(255,255,255,.08);
  --border-lt:   rgba(255,255,255,.05);
  --glass-border:    rgba(255,255,255,.1);
  --glass-border-lt: rgba(255,255,255,.06);
  --glass-shadow:    0 8px 32px rgba(0,0,0,.3), inset 0 1px 0 rgba(255,255,255,.08);
  --glass-shadow-lg: 0 16px 48px rgba(0,0,0,.4), inset 0 1px 0 rgba(255,255,255,.1);
  /* Fonts — unified with app (DM Sans + JetBrains Mono) */
  --font-d: 'DM Sans', system-ui, sans-serif;
  --font-b: 'DM Sans', system-ui, sans-serif;
  --font-m: 'JetBrains Mono', monospace;
}

/* ═══ RESET ═══ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; background: var(--bg); }
body.marketing-page {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-b);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  margin: 0;
}
a { text-decoration: none; transition: opacity .2s, transform .2s; }
a:hover { opacity: .88; }
button { font-family: inherit; }
img { max-width: 100%; }

/* ═══ GLASS UTILITIES ═══ */
.glass {
  background: rgba(255,255,255,.05);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border-lt);
  border-radius: 14px;
  box-shadow: var(--glass-shadow);
}
.glass-med {
  background: rgba(255,255,255,.07);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border-lt);
  border-radius: 14px;
  box-shadow: var(--glass-shadow);
}
.glass-heavy {
  background: rgba(255,255,255,.09);
  backdrop-filter: blur(24px) saturate(1.2);
  -webkit-backdrop-filter: blur(24px) saturate(1.2);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  box-shadow: var(--glass-shadow);
}

/* ═══ ORB (ambient glow) ═══ */
.orb {
  position: absolute;
  pointer-events: none;
  border-radius: 50%;
  filter: blur(80px);
}

/* ═══ BUTTONS ═══ */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 28px; border-radius: 10px;
  background: var(--accent-dk); color: #fff;
  font-size: 14px; font-weight: 600; font-family: var(--font-b);
  box-shadow: 0 4px 24px rgba(37,99,235,.4), inset 0 1px 0 rgba(255,255,255,.15);
  cursor: pointer; border: none; transition: all .25s ease;
}
.btn-primary:hover { background: var(--accent); opacity: 1; }
.btn-primary.lg { padding: 16px 40px; font-size: 16px; }
.btn-ghost {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 28px; border-radius: 10px;
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  color: var(--text); font-size: 14px; font-weight: 600; font-family: var(--font-b);
  box-shadow: var(--glass-shadow); cursor: pointer; transition: all .25s ease;
}
.btn-ghost:hover { background: rgba(255,255,255,.1); opacity: 1; }
.btn-cta {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 22px; border-radius: 10px;
  background: #d97706; color: #fff;
  font-size: 14px; font-weight: 600; font-family: var(--font-b);
  box-shadow: 0 4px 20px rgba(217,119,6,.35), inset 0 1px 0 rgba(255,255,255,.15);
  cursor: pointer; border: none; transition: all .25s ease;
}
.btn-cta:hover { background: #f59e0b; opacity: 1; }

/* ═══ TYPOGRAPHY ═══ */
.label {
  font-size: 13px; font-weight: 600; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--copper);
  font-family: var(--font-m); margin-bottom: 12px; text-align: center;
}
.heading {
  font-size: clamp(26px, 5vw, 42px); font-weight: 800;
  color: var(--text); font-family: var(--font-d);
  line-height: 1.08; letter-spacing: -0.03em;
  text-align: center; margin: 0 0 14px;
}
.subheading {
  font-size: clamp(16px, 2.5vw, 18px); color: var(--text-sec);
  font-family: var(--font-b); line-height: 1.5;
  text-align: center; max-width: 700px; margin: 0 auto;
}

/* ═══ FADE-IN ANIMATION ═══ */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s cubic-bezier(.16,1,.3,1), transform .6s cubic-bezier(.16,1,.3,1);
}
.fade-up.visible {
  opacity: 1;
  transform: none;
}

/* ═══ SECTIONS ═══ */
.section { position: relative; overflow: hidden; }
.section-pad { padding: clamp(60px, 10vw, 100px) 24px; }
.section-bg-alt { background: var(--bg-alt); }
.container { max-width: 1100px; margin: 0 auto; position: relative; }
.narrow { max-width: 880px; }

/* ═══ PROBLEM CARD ═══ */
.problem-card {
  background: rgba(255,255,255,.04);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 14px; overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,.25), inset 0 1px 0 rgba(255,255,255,.06);
  transition: all .3s ease;
}
.problem-card-btn {
  width: 100%; text-align: left; background: none; border: none;
  padding: 20px 24px; cursor: pointer;
  display: flex; justify-content: space-between; align-items: flex-start; gap: 16px;
  color: inherit;
}
.problem-card-expand {
  max-height: 0; overflow: hidden; transition: max-height .3s ease;
}
.problem-card-expand.open { max-height: 120px; }
.expand-icon {
  color: var(--text-muted); font-size: 18px; flex-shrink: 0;
  margin-top: 4px; transition: transform .2s; line-height: 1; font-weight: 300;
}
.expand-icon.open { transform: rotate(45deg); }

/* ═══ FAQ ═══ */
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height .3s ease;
}
.faq-answer.open { max-height: 300px; }

/* ═══ HEADER ═══ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  border-bottom: 1px solid transparent;
  transition: all .35s ease;
}
.site-header.scrolled {
  background: rgba(11,15,26,.7);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  border-bottom-color: var(--glass-border);
  box-shadow: 0 1px 20px rgba(0,0,0,.3);
}
.header-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; height: 64px;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon {
  flex-shrink: 0;
  filter: drop-shadow(0 2px 8px rgba(37,99,235,.3));
}
.logo-text { font-size: 17px; font-weight: 700; color: var(--text); font-family: var(--font-d); letter-spacing: -0.3px; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-link {
  font-size: 14px; font-weight: 500; color: var(--text-sec); font-family: var(--font-b);
  padding: 8px 4px; transition: color .2s;
}
.nav-link:hover { color: var(--text); opacity: 1; }
.nav-link.active { color: var(--accent-lt); }

/* Mobile CTA (always visible beside hamburger) */
.mobile-cta { display: none; font-size: 13px; padding: 8px 16px; }

/* Mobile menu */
.mobile-btn { display: none; background: none; border: none; cursor: pointer; padding: 8px; color: var(--text); min-width: 44px; min-height: 44px; }
.mobile-menu {
  display: none; position: absolute; top: 64px; left: 0; right: 0;
  background: rgba(11,15,26,.92);
  backdrop-filter: blur(24px) saturate(1.4); -webkit-backdrop-filter: blur(24px) saturate(1.4);
  border-bottom: 1px solid var(--glass-border);
  padding: 8px 24px 24px; box-shadow: 0 8px 40px rgba(0,0,0,.4);
}
.mobile-menu.open { display: block; }
.mobile-menu a { display: block; padding: 14px 0; font-size: 16px; font-weight: 500; color: var(--text-sec); font-family: var(--font-b); border-bottom: 1px solid var(--border-lt); min-height: 48px; }
.mobile-menu-btns { display: flex; gap: 10px; margin-top: 16px; }
.mobile-menu-btns .btn-ghost, .mobile-menu-btns .btn-primary { flex: 1; justify-content: center; min-height: 48px; }

/* ═══ PRICING GRID ═══ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: 14px; align-items: start;
}
.pricing-card {
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border-radius: 14px; padding: clamp(24px, 4vw, 32px);
  position: relative; overflow: hidden;
}
.pricing-card.default {
  background: rgba(255,255,255,.04);
  border: 1.5px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}
.pricing-card.popular {
  background: rgba(255,255,255,.08);
  border: 1.5px solid rgba(37,99,235,.25);
  box-shadow: var(--glass-shadow-lg);
  transform: scale(1.02);
}
.pricing-card .gradient-bar {
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--purple));
}

/* ═══ COMPARISON GRID ═══ */
.comparison-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  border-radius: 16px; overflow: hidden;
  box-shadow: var(--glass-shadow-lg);
}
.comparison-old {
  padding: clamp(24px, 4vw, 36px);
  background: rgba(255,255,255,.03);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-right: 1px solid var(--glass-border-lt);
}
.comparison-new {
  padding: clamp(24px, 4vw, 36px);
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
}

/* ═══ BLOG GRID ═══ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 200px), 1fr));
  gap: 16px;
}

/* ═══ HOW IT WORKS GRID ═══ */
.steps-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}

/* ═══ AUTH CARD (dark glass) ═══ */
.auth-card {
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 2rem;
  max-width: 420px;
  width: 100%;
  margin: 0 auto;
  box-shadow: var(--glass-shadow);
}
.auth-card input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  font-size: 0.875rem;
  font-family: var(--font-b);
  color: var(--text);
  background: rgba(255,255,255,.04);
  transition: border-color 0.15s;
}
.auth-card input:focus {
  outline: none;
  border-color: var(--accent-lt);
  box-shadow: 0 0 0 3px rgba(37,99,235,.15);
}
.auth-card input::placeholder { color: var(--text-muted); }
.auth-card label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-sec);
  margin-bottom: 0.375rem;
}
.auth-card .btn-primary { width: 100%; justify-content: center; }

/* ═══ CTA BANNER ═══ */
.cta-banner {
  position: relative;
  padding: clamp(64px, 10vw, 100px) 24px;
  background: linear-gradient(135deg, rgba(37,99,235,.08) 0%, rgba(167,139,250,.06) 100%);
  border-top: 1px solid var(--border-lt);
  overflow: hidden;
}
.cta-banner-inner {
  max-width: 660px; margin: 0 auto; text-align: center;
  position: relative;
}
.cta-banner-heading {
  font-size: clamp(28px, 5vw, 42px); font-weight: 800;
  color: var(--text); font-family: var(--font-d);
  line-height: 1.1; letter-spacing: -.5px; margin: 0;
}
.cta-banner-sub {
  font-size: clamp(16px, 2.5vw, 18px); color: var(--text-sec);
  font-family: var(--font-b); line-height: 1.55;
  margin-top: 16px;
}
.cta-banner-btns {
  display: flex; align-items: center; justify-content: center;
  gap: 14px; margin-top: 32px; flex-wrap: wrap;
}

/* ═══ FOOTER ═══ */
.mktg-footer {
  border-top: 1px solid var(--border);
  padding: 48px 24px 32px;
  background: var(--bg-alt);
}
.mktg-footer-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: flex-start;
  flex-wrap: wrap; gap: 40px;
}
.mktg-footer-brand { max-width: 280px; }
.mktg-footer-links {
  display: flex; gap: clamp(24px, 5vw, 48px); flex-wrap: wrap;
}
.mktg-footer-links > div { min-width: 120px; }
.mktg-footer-col-title {
  font-size: 11px; font-weight: 700; letter-spacing: 1px;
  text-transform: uppercase; color: var(--text-muted);
  font-family: var(--font-b); margin-bottom: 14px;
}
.mktg-footer-links a {
  display: block; font-size: 14px; color: var(--text-sec);
  font-family: var(--font-b); padding: 5px 0;
}
.mktg-footer-links a:hover { color: var(--text); opacity: 1; }
.mktg-footer-bottom {
  border-top: 1px solid var(--border);
  margin-top: 32px; padding-top: 20px;
  font-size: 12px; color: var(--text-muted); font-family: var(--font-b);
  max-width: 1100px; margin-left: auto; margin-right: auto;
}

/* ═══ COMING SOON PAGE ═══ */
.coming-soon {
  min-height: 60vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 80px 24px;
}

/* ═══ SCREEN READER ONLY ═══ */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border-width: 0;
}

/* ═══ RESPONSIVE ═══ */
@media (max-width: 768px) {
  .nav-links { display: none !important; }
  .mobile-btn { display: flex !important; }
  .mobile-cta { display: inline-flex !important; }
}
@media (min-width: 769px) {
  .mobile-btn { display: none !important; }
  .mobile-menu { display: none !important; }
  .mobile-cta { display: none !important; }
}
@media (max-width: 640px) {
  .steps-grid { grid-template-columns: 1fr !important; }
  .comparison-grid { grid-template-columns: 1fr !important; }
  .comparison-old { border-right: none; border-bottom: 1px solid var(--glass-border-lt); }
  .mktg-footer-inner { flex-direction: column; }
}

/* ═══ UTILITY ═══ */
[x-cloak] { display: none !important; }

/* ═══ PULSE ANIMATION ═══ */
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:.4; } }