/* ═══════════════════════════════════════════
   Effort Mastery — effortmastery.com
   Design system: EMRALD palette (emerald + warm gold)
   Fonts: Satoshi (headings) + system-ui (body fallback for Geist)
   ═══════════════════════════════════════════ */

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

:root {
  /* Backgrounds */
  --bg-deep:      #091E18;
  --bg-primary:   #0E2822;
  --bg-secondary: #1A3A31;
  --bg-tertiary:  #24493E;
  --bg-hover:     #2F5548;

  /* Text */
  --text-primary:   #E5E4DC;
  --text-secondary: #A19A8D;
  --text-muted:     #5E6B63;

  /* Borders */
  --border:       #2A3F37;
  --border-light: #354D43;

  /* Accent — Emerald */
  --accent:       #34865B;
  --accent-hover: #2A6E4A;
  --accent-light: #4CA67A;
  --accent-muted: #1E4D3A;

  /* Secondary — Warm Gold */
  --gold:       #C4943A;
  --gold-hover: #A67D2E;
  --gold-muted: #3D3222;

  /* Spacing */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 48px;
  --space-xl: 80px;
  --space-2xl: 120px;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  /* Brand inline */
  --obsidian-purple: #A88BFA;
}

.emrald-brand {
  color: var(--accent-light);
}

a.obsidian-link {
  color: var(--obsidian-purple);
  text-decoration: none;
  transition: opacity 0.15s;
}

a.obsidian-link:hover {
  opacity: 0.8;
  text-decoration: underline;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: 'Satoshi', system-ui, -apple-system, sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 17px;
}

a { color: var(--accent-light); text-decoration: none; }
a:hover { color: var(--gold); }

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

/* --- Layout --- */
.container { max-width: 1120px; margin: 0 auto; padding: 0 var(--space-md); }
.container-narrow { max-width: 800px; margin: 0 auto; padding: 0 var(--space-md); }

.section {
  padding: var(--space-2xl) 0;
}
.section-dark {
  background: var(--bg-primary);
}

.section-label {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--gold);
  margin-bottom: var(--space-sm);
  text-align: center;
}

.section h2 {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: var(--space-md);
  text-align: center;
}

.section h2 em {
  font-style: normal;
  color: var(--accent-light);
}

.section-desc {
  font-size: 19px;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.65;
  text-align: center;
}

/* --- NAV --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(9, 30, 24, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.nav-brand {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-brand:hover { color: var(--text-primary); }
.nav-logo { color: var(--accent-light); font-size: 20px; }
.nav-logo-img { display: inline-block; vertical-align: middle; margin-right: 4px; }
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-cta {
  background: var(--accent);
  color: var(--text-primary) !important;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: background 0.2s;
}
.nav-cta:hover { background: var(--accent-hover); }
.nav-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
}

/* --- HERO --- */
.hero {
  padding: 160px 0 var(--space-xl);
  text-align: center;
  background:
    radial-gradient(ellipse at 50% 0%, var(--accent-muted) 0%, transparent 60%),
    radial-gradient(circle at 20% 80%, rgba(52, 134, 91, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(196, 148, 58, 0.04) 0%, transparent 50%),
    var(--bg-deep);
  position: relative;
  overflow: hidden;
}
/* Subtle dot grid overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, var(--border) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.5;
  pointer-events: none;
}
.hero-inner {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  position: relative;
  z-index: 1;
}
.hero-gem {
  margin-bottom: var(--space-md);
  display: inline-block;
}
.hero-gem-img {
  filter: drop-shadow(0 0 20px rgba(76, 166, 122, 0.3));
}
.hero-badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--gold);
  border: 1px solid var(--gold-muted);
  background: var(--gold-muted);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: var(--space-lg);
}
.hero h1 {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}
.hero-sub {
  font-size: 20px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-lg);
  line-height: 1.6;
}
.hero-sub strong { color: var(--accent-light); }
.hero-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* --- BUTTONS --- */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  cursor: pointer;
  border: none;
  font-family: inherit;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); color: #fff; }
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
}
.btn-ghost:hover { color: var(--text-primary); border-color: var(--text-muted); }
.btn-outline {
  background: transparent;
  color: var(--accent-light);
  border: 2px solid var(--accent);
}
.btn-outline:hover { background: var(--accent-muted); }
.btn-lg { padding: 18px 40px; font-size: 18px; }

/* --- PROBLEM GRID --- */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}
.problem-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  text-align: center;
}
.problem-icon { font-size: 28px; margin-bottom: var(--space-sm); }
.problem-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}
.problem-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* --- FEATURES --- */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  margin-bottom: var(--space-xl);
}
.feature-row:last-child { margin-bottom: 0; }
.feature-row-reverse .feature-text { order: 2; }
.feature-row-reverse .feature-visual { order: 1; }

.feature-label {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--gold);
  margin-bottom: var(--space-xs);
}
.feature-text h3 {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--space-sm);
}
.feature-text p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.65;
}

.placeholder-screenshot {
  background: var(--bg-tertiary);
  border: 2px dashed var(--border-light);
  border-radius: var(--radius-md);
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
}
.placeholder-screenshot span {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
}

/* --- STEPS --- */
.steps { margin-top: var(--space-lg); }
.step {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}
.step:last-child { margin-bottom: 0; }
.step-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--accent);
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.step-content h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 6px;
}
.step-content p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- RESEARCH --- */
.research-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}
.research-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}
.research-finding {
  font-size: 15px;
  color: var(--text-primary);
  line-height: 1.55;
  margin-bottom: var(--space-sm);
}
.research-cite {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 600;
}

/* --- PRICING --- */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}
.pricing-card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-md);
  text-align: center;
}
.pricing-card-pro {
  border-color: var(--gold);
  position: relative;
}
.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gold);
  color: var(--bg-deep);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 16px;
  border-radius: 100px;
}
.pricing-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}
.pricing-amount {
  font-size: 48px;
  font-weight: 900;
  line-height: 1.1;
}
.pricing-amount span { font-size: 20px; font-weight: 500; color: var(--text-secondary); }
.pricing-period {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}
.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: var(--space-md);
}
.pricing-features li {
  font-size: 15px;
  color: var(--text-secondary);
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.pricing-features li:last-child { border-bottom: none; }
.pricing-features li::before {
  content: '✓ ';
  color: var(--accent-light);
  font-weight: 700;
}

/* --- ABOUT --- */
.about-text { margin-top: var(--space-md); }
.about-text p { font-size: 18px; color: var(--text-secondary); line-height: 1.7; margin-bottom: var(--space-sm); }
.about-text strong { color: var(--accent-light); }
.research-list {
  list-style: none;
  margin: var(--space-md) 0;
  padding: 0;
}
.research-list li {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.6;
  padding: 10px 0 10px 20px;
  border-left: 2px solid var(--accent-muted);
  margin-bottom: var(--space-xs);
}
.research-list li strong { color: var(--accent-light); }

/* --- STATS BAR --- */
.stats-bar {
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: var(--space-lg) 0;
}
.stats-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-size: 36px;
  font-weight: 900;
  color: var(--accent-light);
  line-height: 1.1;
}
.stat-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-top: 4px;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-light);
}

/* --- PULL QUOTE --- */
.pull-quote {
  padding: var(--space-xl) 0;
  background: var(--bg-deep);
}
.pull-quote blockquote {
  font-size: 22px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--text-secondary);
  text-align: center;
  font-style: italic;
  position: relative;
  padding: 0 var(--space-lg);
  max-width: 700px;
  margin: 0 auto;
}
.pull-quote blockquote::before {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--gold);
  margin: 0 auto var(--space-md);
  border-radius: 2px;
}
.pull-quote blockquote::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--gold);
  margin: var(--space-md) auto 0;
  border-radius: 2px;
}

@media (max-width: 768px) {
  .stats-inner { flex-wrap: wrap; gap: var(--space-md); }
  .stat-divider { display: none; }
  .stat { flex: 1 1 40%; }
}

/* --- PRODUCT CARD --- */
.product-full-name { font-size: 16px; color: var(--text-muted); letter-spacing: 1px; margin-bottom: var(--space-lg); text-align: center; }
.product-header { display: flex; align-items: center; justify-content: center; gap: var(--space-sm); margin-bottom: var(--space-md); }
.product-logo-link { flex-shrink: 0; transition: transform 0.2s; }
.product-logo-link:hover { transform: scale(1.05); }
.product-logo-link img { display: block; filter: drop-shadow(0 0 12px rgba(76, 166, 122, 0.25)); }
.product-header .product-full-name { margin-bottom: 0; text-align: left; }
.product-card { background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-lg); margin-top: var(--space-md); }
.product-card p { font-size: 17px; color: var(--text-secondary); line-height: 1.65; margin-bottom: var(--space-sm); }
.product-tiers { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-sm); margin-top: var(--space-md); }
.tier { background: var(--bg-tertiary); border-radius: var(--radius-md); padding: var(--space-md); }
.tier h4 { font-size: 16px; font-weight: 700; margin-bottom: var(--space-xs); }
.tier p { font-size: 15px; color: var(--text-secondary); margin-bottom: 0; }
.tier-pro { border: 1px solid var(--gold-muted); }
.tier-pro h4 { color: var(--gold); }
.product-roadmap {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
  font-size: 16px;
  color: var(--text-secondary);
  text-align: center;
  font-weight: 500;
}
@media (max-width: 768px) { .product-tiers { grid-template-columns: 1fr; } }

/* --- STORY --- */
.story-content { margin-top: var(--space-lg); }
.story-content p { font-size: 17px; color: var(--text-secondary); line-height: 1.75; margin-bottom: var(--space-sm); }
.story-content em { color: var(--gold); font-style: italic; }
.story-content strong { color: var(--accent-light); }
.story-sign { margin-top: var(--space-md); font-size: 16px; color: var(--text-muted); font-weight: 600; font-style: italic; }

/* --- CTA --- */
.section-cta {
  background:
    radial-gradient(ellipse at 50% 100%, var(--accent-muted) 0%, transparent 60%),
    var(--bg-deep);
  position: relative;
}
.section-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-muted), transparent);
}

/* --- FOOTER --- */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
  padding: var(--space-xl) 0 var(--space-lg);
}
.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-lg);
}
.footer-brand .nav-logo { display: inline; }
.footer-tagline {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: var(--space-xs);
}
.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}
.footer-col a {
  display: block;
  font-size: 15px;
  color: var(--text-secondary);
  padding: 4px 0;
}
.footer-col a:hover { color: var(--text-primary); }
.footer-bottom {
  max-width: 1120px;
  margin: var(--space-lg) auto 0;
  padding: var(--space-md) var(--space-md) 0;
  border-top: 1px solid var(--border);
}
.footer-bottom p {
  font-size: 13px;
  color: var(--text-muted);
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--bg-deep); border-bottom: 1px solid var(--border); padding: var(--space-md); gap: var(--space-sm); }
  .nav-links.open { display: flex; }
  .nav-menu-btn { display: block; }

  .hero { padding: 120px 0 var(--space-xl); }
  .hero h1 { font-size: 32px; }
  .hero-sub { font-size: 17px; }

  .problem-grid { grid-template-columns: 1fr; }
  .feature-row { grid-template-columns: 1fr; gap: var(--space-md); }
  .feature-row-reverse .feature-text { order: 1; }
  .feature-row-reverse .feature-visual { order: 2; }

  .research-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }

  .footer-inner { grid-template-columns: 1fr 1fr; gap: var(--space-md); }
}

/* --- ACCESSIBILITY --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* --- TOUCH --- */
a, button, input, select, textarea {
  touch-action: manipulation;
}