/* Coffee Brew Ratio Timer – Styles */

:root {
  --color-cream: #FDF8F4;
  --color-warm-white: #FFFBF7;
  --color-deep-brown: #3E2723;
  --color-medium-brown: #5D4037;
  --color-light-brown: #8D6E63;
  --color-amber: #FFB74D;
  --color-soft-amber: #FFCC80;
  --color-pale: #EFEBE9;
  --color-card-bg: #FFFFFF;
  --color-text: #2E1C15;
  --color-text-muted: #6B5B53;
  --color-border: #D7CCC8;
  --color-success: #2E7D32;
  --color-accent: #E65100;
  --shadow-sm: 0 2px 8px rgba(62, 39, 35, 0.06);
  --shadow-md: 0 6px 20px rgba(62, 39, 35, 0.1);
  --shadow-lg: 0 12px 32px rgba(62, 39, 35, 0.12);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --transition: 0.2s ease;
}

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

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.site-header {
  background: var(--color-warm-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  flex-wrap: wrap;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--color-deep-brown);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.logo svg {
  flex-shrink: 0;
}

.nav-list {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-list a {
  text-decoration: none;
  color: var(--color-medium-brown);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition);
  padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--color-deep-brown);
  border-bottom-color: var(--color-amber);
}

/* Hero */
.hero {
  background: linear-gradient(135deg, #F5EBE0 0%, #FDF8F4 60%, #FFFBF7 100%);
  padding: 4rem 1.5rem 3.5rem;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--color-deep-brown);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.15rem;
  max-width: 620px;
  margin: 0 auto 2rem;
  color: var(--color-text-muted);
}

.btn-primary {
  display: inline-block;
  background: var(--color-deep-brown);
  color: #fff;
  padding: 0.85rem 2.2rem;
  border-radius: 40px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: background var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: #2E1C15;
  box-shadow: var(--shadow-lg);
}

/* Section headings */
h2 {
  font-size: 1.75rem;
  color: var(--color-deep-brown);
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.section-lead {
  color: var(--color-text-muted);
  max-width: 680px;
  margin-bottom: 2rem;
  font-size: 1.05rem;
}

section {
  padding: 3.5rem 0;
}

/* Ratio Grid */
.ratio-reference {
  background: var(--color-warm-white);
}

.ratio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.ratio-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.8rem 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}

.ratio-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.ratio-icon {
  margin-bottom: 1rem;
}

.ratio-card h3 {
  font-size: 1.2rem;
  color: var(--color-deep-brown);
  margin-bottom: 0.5rem;
}

.ratio-card p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.ratio-card ul {
  list-style: none;
  font-size: 0.9rem;
  color: var(--color-medium-brown);
}

.ratio-card li {
  padding: 0.3rem 0;
  border-bottom: 1px dashed var(--color-border);
}

.ratio-card li:last-child {
  border-bottom: none;
}

/* Brew Methods */
.brew-methods {
  background: var(--color-cream);
}

.methods-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.method-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.6rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}

.method-card:hover {
  box-shadow: var(--shadow-md);
}

.method-header {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.method-header h3 {
  font-size: 1.15rem;
  color: var(--color-deep-brown);
}

.method-card dl {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 0.4rem 0.8rem;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.method-card dt {
  font-weight: 600;
  color: var(--color-medium-brown);
}

.method-card dd {
  color: var(--color-text);
}

.method-tip {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-style: italic;
  border-left: 3px solid var(--color-amber);
  padding-left: 0.8rem;
  margin-top: 0.5rem;
}

/* Calculator */
.ratio-calculator {
  background: var(--color-warm-white);
}

.calc-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 600px;
  margin: 0 auto;
  box-shadow: var(--shadow-md);
}

.calc-controls {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.8rem;
}

.control-group {
  flex: 1;
  min-width: 180px;
}

.control-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-medium-brown);
  margin-bottom: 0.4rem;
}

.control-group input,
.control-group select {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: var(--font-sans);
  background: #fff;
  color: var(--color-deep-brown);
  transition: border-color var(--transition);
}

.control-group input:focus,
.control-group select:focus {
  outline: none;
  border-color: var(--color-amber);
  box-shadow: 0 0 0 3px rgba(255, 183, 77, 0.2);
}

.calc-results {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.result-item {
  flex: 1;
  min-width: 100px;
  background: #FDF8F4;
  border-radius: var(--radius-sm);
  padding: 1rem;
  text-align: center;
}

.result-label {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  margin-bottom: 0.3rem;
}

.result-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-deep-brown);
}

.calc-note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-align: center;
}

/* Tips */
.brewing-tips {
  background: var(--color-cream);
}

.tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.tip-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.6rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}

.tip-card:hover {
  box-shadow: var(--shadow-md);
}

.tip-card svg {
  margin-bottom: 1rem;
}

.tip-card h3 {
  font-size: 1.1rem;
  color: var(--color-deep-brown);
  margin-bottom: 0.5rem;
}

.tip-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Footer */
.site-footer {
  background: var(--color-deep-brown);
  color: #D7CCC8;
  padding: 2.5rem 0;
  font-size: 0.9rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
}

.footer-brand {
  font-weight: 600;
  color: #fff;
}

.footer-nav {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

.footer-nav a {
  color: #D7CCC8;
  text-decoration: none;
  transition: color var(--transition);
}

.footer-nav a:hover {
  color: var(--color-amber);
}

.footer-disclaimer {
  color: #A1887F;
  font-size: 0.8rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
  .site-header .container {
    height: auto;
    padding-top: 0.8rem;
    padding-bottom: 0.8rem;
    flex-direction: column;
    gap: 0.6rem;
  }

  .nav-list {
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero {
    padding: 2.5rem 1rem 2rem;
  }

  .calc-controls {
    flex-direction: column;
    gap: 1rem;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .ratio-grid,
  .methods-grid,
  .tips-grid {
    grid-template-columns: 1fr;
  }

  .result-item {
    min-width: 80px;
  }

  .result-value {
    font-size: 1.25rem;
  }
}

/* Focus visible */
a:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-amber);
  outline-offset: 2px;
}



/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.site-utility-links {
  width: min(900px, calc(100% - 32px));
  margin: 32px auto;
  padding-top: 16px;
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(127, 127, 127, 0.25);
  font-size: 0.9rem;
}

.site-utility-links a {
  color: inherit;
  opacity: 0.75;
}