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

:root {
  --cream: #FDFAF5;
  --warm-white: #FAF7F0;
  --clay: #C4693A;
  --clay-light: #F2E4D8;
  --clay-dark: #9E4E27;
  --ink: #1A1410;
  --ink-mid: #4A3B30;
  --ink-light: #8C7B6E;
  --border: #E8DDD0;
  --green: #3D6B4F;
  --green-light: #EAF2EC;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 2px 12px rgba(26,20,16,0.07);
  --font-serif: 'DM Serif Display', Georgia, serif;
  --font-sans: 'DM Sans', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--cream);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.6;
}

body[dir="rtl"] { direction: rtl; }

/* ===== LAYOUT ===== */
.container { max-width: 780px; margin: 0 auto; padding: 0 20px; }

/* ===== AD BANNERS ===== */
.ad-banner {
  background: var(--border);
  border: 1px dashed #C8B8A8;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-light);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.ad-top { height: 90px; margin-bottom: 0; }
.ad-mid { height: 90px; margin: 2rem 0; border-radius: var(--radius); }
.ad-bottom { height: 90px; margin: 2rem 0; border-radius: var(--radius); }

/* ===== HEADER ===== */
header {
  background: var(--warm-white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 14px 0;
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--ink);
  flex-shrink: 0;
}
.logo-icon { font-size: 22px; }
.logo-text {
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--clay);
}
nav {
  display: flex;
  gap: 4px;
  flex: 1;
  flex-wrap: wrap;
}
nav a {
  color: var(--ink-mid);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: background 0.15s, color 0.15s;
}
nav a:hover {
  background: var(--clay-light);
  color: var(--clay-dark);
}
.lang-toggle {
  background: var(--clay);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: 7px 14px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: background 0.15s;
  flex-shrink: 0;
}
.lang-toggle:hover { background: var(--clay-dark); }

/* ===== HERO ===== */
.hero {
  padding: 3rem 0 1.5rem;
  text-align: center;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--ink);
  line-height: 1.15;
}
.hero-sub {
  color: var(--ink-mid);
  margin-top: 0.5rem;
  font-size: 1.05rem;
}

/* ===== TOOL CARDS ===== */
.tool-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
}
.tool-card h2 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--clay);
  margin-bottom: 0.35rem;
}
.tool-desc {
  color: var(--ink-light);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

/* ===== FORM ELEMENTS ===== */
.tool-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  align-items: end;
}
.tool-grid.two-col { grid-template-columns: 1fr 1fr; }

@media (max-width: 560px) {
  .tool-grid, .tool-grid.two-col { grid-template-columns: 1fr; }
}

.field-group { display: flex; flex-direction: column; gap: 6px; }
.field-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-mid);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

input[type="number"], select {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--ink);
  background: var(--cream);
  transition: border-color 0.15s, box-shadow 0.15s;
  appearance: none;
  -webkit-appearance: none;
}
input[type="number"]:focus, select:focus {
  outline: none;
  border-color: var(--clay);
  box-shadow: 0 0 0 3px rgba(196,105,58,0.12);
}
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238C7B6E' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
  cursor: pointer;
}
body[dir="rtl"] select {
  background-position: left 12px center;
  padding-right: 14px;
  padding-left: 32px;
}

.result-box {
  padding: 10px 14px;
  background: var(--green-light);
  border: 1.5px solid #B8D9C4;
  border-radius: var(--radius-sm);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--green);
  min-height: 46px;
  display: flex;
  align-items: center;
}

.tool-note {
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--ink-light);
  font-style: italic;
}

/* ===== QUICK REF CHIPS ===== */
.quick-ref {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 1rem;
  font-size: 13px;
  color: var(--ink-light);
}
.chip {
  background: var(--clay-light);
  color: var(--clay-dark);
  border: 1px solid #DEC4B0;
  border-radius: 100px;
  padding: 4px 12px;
  font-size: 13px;
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.chip:hover {
  background: var(--clay);
  color: white;
  border-color: var(--clay);
}

/* ===== SPOON GRID ===== */
.spoon-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 20px;
  align-items: start;
}
@media (max-width: 560px) { .spoon-grid { grid-template-columns: 1fr; } }
.spoon-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
@media (max-width: 400px) { .spoon-results { grid-template-columns: 1fr 1fr; } }
.mini-result {
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  text-align: center;
}
.mini-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}
.mini-val {
  display: block;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--clay-dark);
}

/* ===== GAS MARK ===== */
.gas-mark {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  color: var(--ink-mid);
}
.gas-mark strong {
  font-size: 1.1rem;
  color: var(--clay);
}
.temp-desc {
  background: var(--clay-light);
  color: var(--clay-dark);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
}
.oven-presets { margin-top: 1rem; }
.presets-label {
  font-size: 13px;
  color: var(--ink-light);
  margin-bottom: 8px;
}
.preset-chips { display: flex; gap: 8px; flex-wrap: wrap; }

/* ===== SEO INFO ===== */
.seo-info {
  margin-top: 1.25rem;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}
.seo-info summary, details summary {
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--clay-dark);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 6px;
}
.seo-info summary::before, details summary::before {
  content: '▸';
  transition: transform 0.2s;
  display: inline-block;
}
details[open] summary::before { transform: rotate(90deg); }
details p {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: var(--ink-mid);
  line-height: 1.7;
}

/* ===== SEO CONTENT SECTION ===== */
.seo-content {
  margin: 2rem 0 3rem;
  padding: 2rem;
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.seo-content h2 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
  color: var(--ink);
}
.seo-content > p {
  color: var(--ink-mid);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}
.faq h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.75rem;
}
.faq details {
  border-top: 1px solid var(--border);
  padding: 0.75rem 0;
}
.faq details:last-child { border-bottom: 1px solid var(--border); }

/* ===== FOOTER ===== */
footer {
  background: var(--ink);
  color: rgba(255,255,255,0.5);
  padding: 1.5rem 0;
  font-size: 13px;
  text-align: center;
}