/* ============================================================
   MacroEngine — style.css
   Color Palette:
     --bg-deep:      #0B0F19   (Deep Obsidian Blue)
     --accent:       #10B981   (Neon Emerald Green)
     --accent-dim:   #059669
     --text-primary: #F3F4F6   (Crisp Ice White)
     --text-muted:   #9CA3AF
     --card-bg:      #131927
     --card-border:  #1E2A3A
     --danger:       #EF4444
============================================================ */

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

:root {
  --bg-deep:       #0B0F19;
  --bg-card:       #131927;
  --bg-input:      #0f1520;
  --card-border:   #1E2A3A;
  --accent:        #10B981;
  --accent-dim:    #059669;
  --accent-glow:   rgba(16, 185, 129, 0.18);
  --text-primary:  #F3F4F6;
  --text-muted:    #9CA3AF;
  --text-subtle:   #6B7280;
  --danger:        #EF4444;
  --danger-dim:    #DC2626;
  --protein-clr:   #10B981;
  --carbs-clr:     #3B82F6;
  --fats-clr:      #F59E0B;
  --radius-sm:     6px;
  --radius-md:     12px;
  --radius-lg:     18px;
  --font-display:  'Space Grotesk', system-ui, sans-serif;
  --font-body:     'Inter', system-ui, sans-serif;
  --transition:    0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-deep);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button { cursor: pointer; font-family: var(--font-body); }

/* ── CONTAINER ─────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1100px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

/* ── UTILITY ────────────────────────────────────────────────── */
.hidden { display: none !important; }

/* ── HEADER ─────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 15, 25, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.875rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo-icon {
  font-size: 1.4rem;
  color: var(--accent);
  line-height: 1;
}

.logo-text strong { color: var(--accent); }

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-nav a {
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--transition);
}

.site-nav a:hover { color: var(--text-primary); text-decoration: none; }

/* ── HERO ────────────────────────────────────────────────────── */
.hero {
  padding: 3.5rem 0 2rem;
  text-align: center;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(16, 185, 129, 0.09) 0%, transparent 70%);
}

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

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

.hero-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 560px;
  margin-inline: auto;
}

/* ── TOOLS WRAPPER ───────────────────────────────────────────── */
.tools-wrapper {
  padding-block: 2rem 3rem;
}

/* ── TAB NAVIGATION ──────────────────────────────────────────── */
.tab-nav {
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid var(--card-border);
  margin-bottom: 2rem;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.tab-nav::-webkit-scrollbar { display: none; }

.tab-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
  transition: color var(--transition), border-color var(--transition);
  margin-bottom: -1px;
}

.tab-btn:hover { color: var(--text-primary); }

.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tab-icon { font-size: 1rem; }

/* ── TAB PANELS ───────────────────────────────────────────────── */
.tab-panel {
  display: none;
  animation: panelFadeIn 0.3s ease forwards;
}

.tab-panel.active { display: block; }

@keyframes panelFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.panel-card {
  background: var(--bg-card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.panel-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.panel-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.75rem;
}

.panel-desc strong { color: var(--text-primary); }

/* ── UNIT TOGGLE ──────────────────────────────────────────────── */
.unit-toggle-wrap {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  margin-bottom: 1.75rem;
  flex-wrap: wrap;
}

.toggle-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
}

.toggle-switch { position: relative; display: inline-block; }

.toggle-switch input { opacity: 0; width: 0; height: 0; position: absolute; }

.toggle-track {
  display: flex;
  align-items: center;
  width: 48px;
  height: 26px;
  background: var(--card-border);
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--transition);
}

.toggle-switch input:checked + .toggle-track { background: var(--accent); }

.toggle-thumb {
  width: 20px;
  height: 20px;
  background: #fff;
  border-radius: 50%;
  margin-left: 3px;
  transition: transform var(--transition);
  will-change: transform;
}

.toggle-switch input:checked + .toggle-track .toggle-thumb {
  transform: translateX(22px);
}

/* ── FORM LAYOUT ─────────────────────────────────────────────── */
.calc-form { display: flex; flex-direction: column; gap: 1.25rem; }

.form-row { display: flex; flex-direction: column; gap: 1.25rem; }

.form-row.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group { display: flex; flex-direction: column; gap: 0.375rem; }

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.unit-hint { font-weight: 400; text-transform: none; letter-spacing: 0; }

input[type="number"],
input[type="text"],
input[type="email"],
input[type="tel"],
textarea,
select {
  width: 100%;
  padding: 0.7rem 0.875rem;
  background: var(--bg-input);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
  appearance: none;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239CA3AF' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

select option { background: var(--bg-card); }

.input-pair { display: flex; gap: 0.5rem; }
.input-pair input { flex: 1; }

/* ── BUTTONS ─────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 2rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  will-change: transform;
  margin-top: 0.5rem;
}

.btn-primary:hover {
  background: var(--accent-dim);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(16, 185, 129, 0.3);
}

.btn-primary:active { transform: translateY(0); }

.btn-danger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 2rem;
  background: var(--danger);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  transition: background var(--transition), transform var(--transition);
}

.btn-danger:hover { background: var(--danger-dim); transform: translateY(-1px); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.25rem;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.btn-ghost:hover {
  color: var(--text-primary);
  border-color: var(--text-subtle);
  background: rgba(255,255,255,0.03);
}

.btn-sm { padding: 0.45rem 0.875rem; font-size: 0.8rem; }

.btn-chip {
  padding: 0.35rem 0.75rem;
  background: transparent;
  border: 1px solid var(--card-border);
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 500;
  transition: all var(--transition);
}

.btn-chip.active {
  background: var(--accent-glow);
  border-color: var(--accent);
  color: var(--accent);
}

.form-error {
  color: var(--danger);
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

/* ── MACRO RESULTS ────────────────────────────────────────────── */
.results-panel {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--card-border);
  animation: panelFadeIn 0.4s ease forwards;
}

.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.results-header h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
}

/* KCAL SUMMARY */
.kcal-summary {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-input);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  justify-content: center;
}

.kcal-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
  min-width: 80px;
}

.kcal-block.highlight .kcal-value { color: var(--accent); }
.kcal-block.highlight .kcal-label { color: var(--accent); }

.kcal-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-subtle);
}

.kcal-value {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
}

.kcal-unit {
  font-size: 0.72rem;
  color: var(--text-subtle);
  font-weight: 500;
}

.kcal-divider {
  color: var(--text-subtle);
  font-size: 1.2rem;
  padding: 0 0.25rem;
  flex-shrink: 0;
}

/* MACRO BARS */
.macro-bars { display: flex; flex-direction: column; gap: 1.25rem; margin-bottom: 1.5rem; }

.macro-row { display: flex; flex-direction: column; gap: 0.5rem; }

.macro-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
}

.macro-name { font-weight: 600; }

.macro-grams {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--accent);
}

.macro-pct {
  font-size: 0.8rem;
  color: var(--text-subtle);
}

.macro-bar-track {
  height: 10px;
  background: var(--bg-input);
  border-radius: 999px;
  overflow: hidden;
}

.macro-bar-fill {
  height: 100%;
  width: var(--fill-pct, 0%);
  border-radius: 999px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: width;
}

.protein-fill { background: var(--protein-clr); }
.carbs-fill   { background: var(--carbs-clr); }
.fats-fill    { background: var(--fats-clr); }

.results-note {
  font-size: 0.78rem;
  color: var(--text-subtle);
  padding: 0.875rem;
  background: rgba(255,255,255,0.02);
  border-radius: var(--radius-sm);
  border: 1px solid var(--card-border);
  line-height: 1.5;
}

.results-note a { color: var(--accent); }

/* ── FASTING TIMER ────────────────────────────────────────────── */
.fasting-ring-wrap {
  position: relative;
  width: 200px;
  height: 200px;
  margin: 0 auto 2rem;
}

.fasting-ring {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.ring-bg {
  fill: none;
  stroke: var(--card-border);
  stroke-width: 12;
}

.ring-progress {
  fill: none;
  stroke: var(--accent);
  stroke-width: 12;
  stroke-linecap: round;
  transition: stroke-dashoffset 1s linear;
  will-change: stroke-dashoffset;
  filter: drop-shadow(0 0 6px rgba(16, 185, 129, 0.5));
}

.ring-inner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.ring-pct {
  display: block;
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--accent);
  line-height: 1;
}

.ring-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  font-weight: 500;
}

.fasting-stats {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 1.75rem;
  flex-wrap: wrap;
}

.fstat-block {
  flex: 1;
  min-width: 90px;
  text-align: center;
  background: var(--bg-input);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 1rem 0.75rem;
}

.fstat-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-subtle);
  margin-bottom: 0.35rem;
}

.fstat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.fasting-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

/* SESSION LOG */
.fasting-log { border-top: 1px solid var(--card-border); padding-top: 1.5rem; }

.log-title {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-subtle);
  margin-bottom: 0.875rem;
}

.log-list { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }

.log-empty { font-size: 0.85rem; color: var(--text-subtle); font-style: italic; }

.log-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  padding: 0.625rem 0.875rem;
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  border: 1px solid var(--card-border);
}

.log-item-duration { color: var(--accent); font-weight: 600; font-family: var(--font-display); }

/* ── WATER TRACKER ────────────────────────────────────────────── */
.water-setup { max-width: 420px; margin: 0 auto; }

.water-tracker { display: flex; flex-direction: column; align-items: center; gap: 1.5rem; }

/* GLASS */
.water-glass-wrap { text-align: center; }

.water-glass {
  width: 90px;
  height: 160px;
  margin: 0 auto 0.5rem;
  border: 3px solid var(--card-border);
  border-top: none;
  border-radius: 0 0 22px 22px;
  position: relative;
  overflow: hidden;
  background: rgba(59, 130, 246, 0.04);
}

.water-fill {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(180deg, rgba(59,130,246,0.7) 0%, rgba(16,185,129,0.8) 100%);
  transition: height 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: height;
  overflow: hidden;
}

.water-wave {
  position: absolute;
  top: -8px;
  left: -30px;
  width: 200%;
  height: 16px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  animation: waveAnim 2s linear infinite;
}

@keyframes waveAnim {
  0%   { transform: translateX(0); }
  100% { transform: translateX(50%); }
}

.water-pct-label {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}

/* WATER STATS */
.water-stats {
  display: flex;
  gap: 0.5rem;
  width: 100%;
  flex-wrap: wrap;
  justify-content: center;
}

.wstat-block {
  flex: 1;
  min-width: 90px;
  text-align: center;
  background: var(--bg-input);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 1rem 0.75rem;
}

.wstat-block.highlight { border-color: var(--accent); }

.wstat-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-subtle);
  margin-bottom: 0.35rem;
}

.wstat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.wstat-unit {
  display: block;
  font-size: 0.72rem;
  color: var(--text-subtle);
}

.wstat-block.highlight .wstat-value { color: var(--accent); }

.water-log-unit-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ADD BUTTONS */
.water-add-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  justify-content: center;
  width: 100%;
}

.btn-water-add {
  padding: 0.65rem 1.1rem;
  background: var(--bg-input);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 600;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

.btn-water-add:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
  transform: translateY(-1px);
}

.btn-water-add:active { transform: translateY(0); }

.water-custom-row {
  display: flex;
  gap: 0.5rem;
  width: 100%;
  max-width: 300px;
}

.water-custom-row input { flex: 1; margin-top: 0; }

.water-footer-actions {
  display: flex;
  gap: 0.625rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* ── AD SLOT ──────────────────────────────────────────────────── */
.ad-slot {
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
  margin-block: 1rem;
  padding-block: 0.75rem;
}

/* ── SEO CONTENT ──────────────────────────────────────────────── */
#seo-content-container {
  padding-block: 3rem;
}

.seo-loading {
  padding: 2rem 0;
}

.seo-skeleton {
  height: 24px;
  background: linear-gradient(90deg, var(--card-border) 25%, var(--bg-card) 50%, var(--card-border) 75%);
  background-size: 200% 100%;
  border-radius: var(--radius-sm);
  animation: shimmer 1.5s infinite;
  max-width: 500px;
  margin: 0 auto;
}

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* SEO Article Styles */
.seo-article {
  max-width: 760px;
  margin-inline: auto;
}

.seo-article h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.seo-article h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-top: 1.75rem;
  margin-bottom: 0.6rem;
  color: var(--text-primary);
}

.seo-article p {
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.seo-article strong { color: var(--text-primary); }

.seo-divider {
  border: none;
  border-top: 1px solid var(--card-border);
  margin-block: 2.5rem;
}

/* FAQ Schema */
.faq-section { max-width: 760px; margin-inline: auto; }

.faq-section h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.faq-item {
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  margin-bottom: 0.875rem;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: none;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  transition: background var(--transition);
}

.faq-question:hover { background: rgba(255,255,255,0.03); }

.faq-chevron {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border: 1.5px solid var(--text-subtle);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  transition: transform var(--transition), border-color var(--transition);
  color: var(--text-subtle);
}

.faq-question[aria-expanded="true"] .faq-chevron {
  transform: rotate(180deg);
  border-color: var(--accent);
  color: var(--accent);
}

.faq-answer {
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1), padding 0.35s ease;
}

.faq-answer.open {
  max-height: 600px;
  padding: 0.875rem 1.25rem 1.25rem;
}

.faq-answer p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.75;
  margin: 0;
}

/* ── FOOTER ──────────────────────────────────────────────────── */
.site-footer {
  background: var(--bg-card);
  border-top: 1px solid var(--card-border);
  padding-block: 2.5rem;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

.footer-brand { display: flex; flex-direction: column; align-items: center; gap: 0.375rem; }

.footer-tagline { font-size: 0.8rem; color: var(--text-subtle); }

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: center;
}

.footer-nav a {
  font-size: 0.825rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-nav a:hover { color: var(--text-primary); text-decoration: none; }

.footer-copy {
  font-size: 0.775rem;
  color: var(--text-subtle);
  max-width: 520px;
  line-height: 1.6;
}

/* ── LEGAL PAGE STYLES ──────────────────────────────────────── */
.legal-header {
  padding: 2.5rem 0 1.5rem;
  border-bottom: 1px solid var(--card-border);
  margin-bottom: 2.5rem;
}

.legal-header h1 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.legal-header .legal-meta {
  font-size: 0.825rem;
  color: var(--text-subtle);
}

.legal-body {
  max-width: 760px;
  padding-bottom: 4rem;
}

.legal-body h2 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-top: 2rem;
  margin-bottom: 0.625rem;
  color: var(--text-primary);
}

.legal-body p, .legal-body li {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.75;
  margin-bottom: 0.875rem;
}

.legal-body ul, .legal-body ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.legal-body a { color: var(--accent); }

.legal-body strong { color: var(--text-primary); font-weight: 600; }

/* Contact Form */
.contact-form { display: flex; flex-direction: column; gap: 1.25rem; max-width: 560px; }
.contact-form textarea { min-height: 150px; resize: vertical; line-height: 1.6; }

/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 640px) {
  .form-row.two-col {
    grid-template-columns: 1fr;
  }

  .kcal-summary {
    flex-direction: column;
    gap: 0.875rem;
  }

  .kcal-divider { transform: rotate(90deg); }

  .fasting-stats { flex-direction: column; align-items: center; }

  .fstat-block { min-width: 200px; }

  .tab-label { display: none; }

  .tab-btn { padding: 0.75rem 1rem; }

  .tab-icon { font-size: 1.3rem; }

  .panel-card { padding: 1.25rem; }

  .site-nav { display: none; }
}

@media (min-width: 1200px) {
  .container { padding-inline: 2rem; }
}

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

/* ── FOCUS VISIBLE ───────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}