/* =========================================================
   TOKENS
========================================================= */
:root {
  --bg: #F3F7F3;
  --surface: #FFFFFF;
  --surface-alt: #EBF1EC;
  --border: #DCE6DD;
  --ink: #16241F;
  --ink-soft: #54655D;
  --ink-faint: #84968C;
  --primary: #1F6F54;
  --primary-ink: #FFFFFF;
  --accent: #FF8552;

  /* catégories IMC */
  --cat-low:    #5E8FCB;
  --cat-normal: #1F6F54;
  --cat-over:   #E3A93B;
  --cat-obese1: #E07B3E;
  --cat-obese2: #CC4B3C;

  /* catégories IMG (ACE) */
  --cat-essential: #5E8FCB;
  --cat-athlete:   #1F6F54;
  --cat-fitness:   #57BF8A;
  --cat-acceptable:#E3A93B;
  --cat-obese:     #CC4B3C;

  /* macronutriments */
  --macro-p: #5E8FCB;   /* protéines */
  --macro-g: #57BF8A;   /* glucides  */
  --macro-l: #E3A93B;   /* lipides   */

  /* couleurs des 4 formules */
  --f-mifflin: #1F6F54;
  --f-harris:  #5E8FCB;
  --f-katch:   #E3A93B;
  --f-owen:    #A066C9;

  /* organes */
  --org-1: #57BF8A;
  --org-2: #5E8FCB;
  --org-3: #E3A93B;
  --org-4: #CC4B3C;
  --org-5: #A066C9;
  --org-6: #84968C;

  /* blobs pastel */
  --pastel-mint:     #BFE6D8;
  --pastel-sky:      #C9DFF5;
  --pastel-peach:    #FFD9C2;
  --pastel-butter:   #FCE8A8;
  --pastel-lavender: #E6D6F2;
  --blob-opacity: .55;
  --blob-blend: normal;

  --font-display: "Fraunces", Georgia, serif;
  --font-body:    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;

  --radius-s: 10px;
  --radius-m: 16px;
  --radius-l: 22px;
  --shadow-card: 0 1px 2px rgba(22,36,31,.04), 0 12px 28px -16px rgba(22,36,31,.18);
  --maxw: 1080px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

[data-theme="dark"] {
  --bg: #10160F;
  --surface: #161F19;
  --surface-alt: #1C2620;
  --border: #283A30;
  --ink: #ECF3EE;
  --ink-soft: #A9BBAF;
  --ink-faint: #6E8276;
  --primary: #57D6A8;
  --primary-ink: #0E1C16;
  --accent: #FFA374;
  --cat-low:    #7FACE6;
  --cat-normal: #57D6A8;
  --cat-over:   #F0C25C;
  --cat-obese1: #F0975C;
  --cat-obese2: #E36A58;
  --pastel-mint:     #2E6B57;
  --pastel-sky:      #3A5C82;
  --pastel-peach:    #8A5236;
  --pastel-butter:   #8A7430;
  --pastel-lavender: #5B4878;
  --blob-opacity: .35;
  --blob-blend: screen;
  --shadow-card: 0 1px 2px rgba(0,0,0,.3), 0 18px 36px -18px rgba(0,0,0,.6);
}

/* =========================================================
   RESET
========================================================= */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color .25s var(--ease), color .25s var(--ease);
}
img, svg { display: block; max-width: 100%; }
h1, h2, h3 { font-family: var(--font-display); margin: 0 0 .5em; color: var(--ink); }
p { margin: 0 0 1em; color: var(--ink-soft); }
a { color: var(--primary); }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; }
table { border-collapse: collapse; }
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--primary); color: var(--primary-ink);
  padding: 12px 18px; border-radius: 0 0 var(--radius-s) 0; z-index: 100;
}
.skip-link:focus { left: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

/* =========================================================
   HEADER
========================================================= */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px) saturate(1.1);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex; align-items: center; gap: .5em;
  font-family: var(--font-display); font-weight: 600; font-size: 1.05rem;
  color: var(--ink); text-decoration: none;
}
.brand-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--primary); color: var(--primary-ink); font-size: 1rem;
}
.site-nav { display: none; align-items: center; gap: 24px; }
.site-nav a {
  color: var(--ink-soft); text-decoration: none;
  font-size: .92rem; font-weight: 600;
  transition: color .2s var(--ease);
}
.site-nav a:hover { color: var(--primary); }
@media (min-width: 880px) { .site-nav { display: flex; } }
.theme-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--border); background: var(--surface);
  cursor: pointer; color: var(--ink);
}
.theme-toggle .icon {
  width: 18px; height: 18px; fill: none; stroke: currentColor;
  stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
}
.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun  { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }

/* =========================================================
   UTILITAIRES
========================================================= */
.eyebrow {
  font-family: var(--font-mono);
  font-size: .72rem; letter-spacing: .09em; text-transform: uppercase;
  color: var(--primary); margin: 0 0 .9em; font-weight: 500;
}
.pill {
  display: inline-flex; align-items: center;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--primary); font-family: var(--font-mono);
  font-size: .74rem; font-weight: 600;
  letter-spacing: .06em; text-transform: uppercase;
  padding: 7px 14px; border-radius: 999px;
  margin: 0 0 1.2em; box-shadow: var(--shadow-card);
}
.pill-result {
  font-size: 2rem !important;
}
.btn {
  display: inline-flex; align-items: center; gap: .5em;
  padding: 14px 28px; border-radius: 999px;
  font-weight: 700; text-decoration: none; font-size: .98rem;
  transition: transform .2s var(--ease);
}
.btn--light {
  background: var(--primary); color: var(--primary-ink);
  box-shadow: 0 14px 28px -10px color-mix(in srgb, var(--primary) 55%, transparent);
}
.btn--light:hover { transform: translateY(-2px); }
.section-intro { max-width: 50em; margin-bottom: 1em; }
.highlight-note { color: var(--primary); }

/* =========================================================
   BLOBS
========================================================= */
.blob {
  position: absolute;
  border-radius: 58% 42% 53% 47% / 48% 58% 42% 52%;
  filter: blur(52px);
  opacity: var(--blob-opacity);
  mix-blend-mode: var(--blob-blend);
  pointer-events: none; z-index: 0;
  animation: blob-float 18s ease-in-out infinite;
}
.blob--mint     { background: var(--pastel-mint); }
.blob--sky      { background: var(--pastel-sky); }
.blob--peach    { background: var(--pastel-peach); }
.blob--butter   { background: var(--pastel-butter); border-radius: 50%; }
.blob--lavender { background: var(--pastel-lavender); }
@keyframes blob-float {
  0%   { transform: translate(0,0) scale(1); }
  50%  { transform: translate(16px,-14px) scale(1.06); }
  100% { transform: translate(0,0) scale(1); }
}

/* =========================================================
   HERO BANNER
========================================================= */
.hero-banner {
  position: relative; overflow: hidden;
  padding: 64px 0 76px; text-align: center;
  background:
    radial-gradient(circle at 10% 20%, color-mix(in srgb, var(--pastel-mint) 65%, transparent), transparent 55%),
    radial-gradient(circle at 90% 10%, color-mix(in srgb, var(--pastel-sky)  55%, transparent), transparent 52%),
    radial-gradient(circle at 75% 95%, color-mix(in srgb, var(--pastel-peach)50%, transparent), transparent 50%),
    var(--bg);
}
@media (min-width: 720px) { .hero-banner { padding: 100px 0 116px; } }
.hero-banner__content { max-width: 680px; margin: 0 auto; }
.hero-banner h1 {
  font-size: clamp(1.95rem, 4.4vw + .5rem, 3rem);
  font-weight: 600; line-height: 1.13; letter-spacing: -.01em;
}
.hero-banner__lead { font-size: 1.08rem; max-width: 38em; margin: 0 auto 1.6em; }
.hero-banner__result { font-size: 1rem; margin: 0 auto 1.6em; }

/* =========================================================
   CALCULATEUR
========================================================= */
.calc-section { padding: 52px 0 48px; position: relative; }
@media (min-width: 880px) { .calc-section { padding: 72px 0 64px; } }
.hero-grid { display: grid; gap: 28px; }
@media (min-width: 880px) {
  .hero-grid { grid-template-columns: 1.05fr .95fr; align-items: start; gap: 56px; }
}
.hero-copy h2 {
  font-size: clamp(1.65rem, 3.8vw + .5rem, 2.4rem);
  font-weight: 600; line-height: 1.16; letter-spacing: -.01em;
}
.lead { font-size: 1.05rem; max-width: 34em; }
.hero-note {
  font-size: .85rem; color: var(--ink-faint);
  display: flex; align-items: center; gap: .5em;
}
.hero-note::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--primary); flex-shrink: 0;
}
.hero-jump { display: none; margin-top: 1.4em; font-weight: 600; text-decoration: none; font-size: .95rem; }
@media (max-width: 879px) { .hero-jump { display: inline-flex; align-items: center; gap: .4em; } }

/* pastilles formules dans la hero-copy */
.formulas-legend {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin: 18px 0 4px;
}
.formula-pill {
  font-family: var(--font-mono); font-size: .72rem; font-weight: 700;
  letter-spacing: .05em; text-transform: uppercase;
  padding: 5px 12px; border-radius: 999px;
  border: 1.5px solid currentColor;
}
.formula-pill--mifflin { color: var(--f-mifflin); background: color-mix(in srgb, var(--f-mifflin) 10%, transparent); }
.formula-pill--harris  { color: var(--f-harris);  background: color-mix(in srgb, var(--f-harris)  10%, transparent); }
.formula-pill--katch   { color: var(--f-katch);   background: color-mix(in srgb, var(--f-katch)   10%, transparent); }
.formula-pill--owen    { color: var(--f-owen);    background: color-mix(in srgb, var(--f-owen)    10%, transparent); }

.calc-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-l); padding: 22px;
  box-shadow: var(--shadow-card);
  /* display: flex; flex-direction: column; gap: 20px; */
}
@media (min-width: 560px) { .calc-card { padding: 28px; } }

/* .field-group { display: flex; flex-direction: column; gap: .55em; } */
.field-label { font-size: .82rem; font-weight: 600; color: var(--ink-soft); }
#sexe-label  { font-size: .82rem; font-weight: 600; color: var(--ink-soft); }
.field-label-row {
  display: flex; align-items: center; justify-content: space-between; gap: 1em;
}
.field-label-row label { font-size: .82rem; font-weight: 600; color: var(--ink-soft); }

.segmented {
  display: grid; grid-template-columns: 1fr 1fr;
  background: var(--surface-alt); border-radius: var(--radius-s); padding: 4px;
}
.segmented input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.segmented label {
  text-align: center; padding: 11px 8px; border-radius: 8px;
  font-weight: 600; font-size: .9rem; color: var(--ink-soft);
  cursor: pointer; transition: color .2s var(--ease);
}
.segmented input:checked + label {
  background: var(--surface); color: var(--primary);
  box-shadow: 0 1px 4px rgba(0,0,0,.08);
}
.segmented input:focus-visible + label { outline: 2px solid var(--accent); outline-offset: 2px; }

.value-zone { display: inline-flex; align-items: baseline; gap: .3em; }
.value-input {
  font-family: var(--font-mono); font-weight: 700; font-size: .95rem;
  color: var(--primary); background: transparent;
  border: 1px solid transparent; border-radius: 8px;
  text-align: right; width: 4.2em; padding: 3px 6px;
  cursor: pointer; -moz-appearance: textfield;
  transition: transform .22s var(--ease), font-size .22s var(--ease),
              background-color .22s var(--ease), box-shadow .22s var(--ease),
              color .22s var(--ease);
}
.value-input::-webkit-outer-spin-button,
.value-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.value-input:hover { background: var(--surface-alt); }
.value-input:focus {
  cursor: text; color: var(--ink);
  background: var(--surface); border-color: var(--primary);
  font-size: 1.2rem; transform: scale(1.12); transform-origin: right center;
  box-shadow: 0 10px 22px -10px rgba(22,36,31,.28),
              0 0 0 3px color-mix(in srgb, var(--primary) 22%, transparent);
  position: relative; z-index: 6;
}
.value-input.is-confirmed { animation: value-confirm .45s var(--ease); }
@keyframes value-confirm {
  0%   { box-shadow: 0 0 0 0   color-mix(in srgb, var(--primary) 45%, transparent); }
  100% { box-shadow: 0 0 0 9px color-mix(in srgb, var(--primary) 0%,  transparent); }
}
.value-unit { font-family: var(--font-mono); font-weight: 600; font-size: .92rem; color: var(--ink-faint); }

.field-control { display: flex; flex-direction: column; }
input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 28px; background: transparent; margin: 0;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 6px; border-radius: 4px;
  background: linear-gradient(90deg, var(--primary) var(--fill,50%), var(--border) var(--fill,50%));
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px; height: 22px; margin-top: -8px; border-radius: 50%;
  background: var(--surface); border: 3px solid var(--primary);
  box-shadow: 0 2px 6px rgba(0,0,0,.18); cursor: pointer;
}
input[type="range"]::-moz-range-track  { height: 6px; border-radius: 4px; background: var(--border); }
input[type="range"]::-moz-range-progress { height: 6px; border-radius: 4px; background: var(--primary); }
input[type="range"]::-moz-range-thumb {
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--surface); border: 3px solid var(--primary); cursor: pointer;
}

/* select activité */
.select-input {
  width: 100%; padding: 13px 14px;
  font-family: var(--font-body); font-size: .94rem; font-weight: 500;
  color: var(--ink); background: var(--surface-alt);
  border: 1px solid var(--border); border-radius: var(--radius-s);
  cursor: pointer; min-height: 48px;
  appearance: none;
  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='%2384968C' stroke-width='1.8' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.select-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 20%, transparent);
}

.form-hint { font-size: .78rem; color: var(--ink-faint); margin: 0; }
kbd {
  font-family: var(--font-mono); font-size: .82em;
  background: var(--surface-alt); border: 1px solid var(--border);
  border-radius: 5px; padding: 1px 6px;
}

/* onglets de méthode */

.method-tabs {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 8px; margin-bottom: 12px;
}
.method-tab {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 10px;
  border-radius: var(--radius-m);
  border: 1.5px solid var(--border);
  background: var(--surface-alt);
  font-size: .88rem; font-weight: 600; color: var(--ink-soft);
  cursor: pointer;
  transition: border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease);
}
.method-tab--active {
  border-color: var(--primary);
  background: color-mix(in srgb, var(--primary) 8%, var(--surface));
  color: var(--primary);
}
.tab-badge {
  font-family: var(--font-mono);
  font-size: .62rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase;
  background: color-mix(in srgb, var(--primary) 14%, transparent);
  color: var(--primary);
  padding: 2px 7px; border-radius: 999px;
}
.tab-badge--accent {
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  color: var(--accent);
}

/* guide mensuration */
.mensuration-guide {
  background: var(--surface-alt);
  border-radius: var(--radius-m);
  padding: 14px 16px;
  font-size: .84rem;
}
.mensuration-guide__title {
  display: flex; align-items: center; gap: 7px;
  font-weight: 700; color: var(--ink); margin: 0 0 8px;
}
.mensuration-guide__title svg {
  width: 16px; height: 16px; fill: var(--primary);
  flex-shrink: 0;
}
.mensuration-guide ul { display: flex; flex-direction: column; gap: 5px; }
.mensuration-guide li { color: var(--ink-soft); }
.mensuration-guide strong { color: var(--ink); }

/* bloc IMG optionnel */
.img-optional {
  background: var(--surface-alt);
  border: 1px dashed var(--border);
  border-radius: var(--radius-m);
  padding: 14px 16px;
  gap: .65em;
}
.optional-badge {
  font-family: var(--font-mono); font-size: .65rem; font-weight: 700;
  letter-spacing: .05em; text-transform: uppercase;
  color: var(--f-katch);
  background: color-mix(in srgb, var(--f-katch) 14%, transparent);
  border-radius: 999px; padding: 2px 8px;
}
.img-hint {
  display: flex; align-items: flex-start; gap: 7px;
  font-size: .78rem; color: var(--ink-faint); margin: 0;
}
.img-hint svg { width: 14px; height: 14px; fill: var(--ink-faint); flex-shrink: 0; margin-top: 2px; }


.form-hint { font-size: .78rem; color: var(--ink-faint); margin: 0; }
kbd {
  font-family: var(--font-mono); font-size: .82em;
  background: var(--surface-alt); border: 1px solid var(--border);
  border-radius: 5px; padding: 1px 6px;
}

/* répartition BMR par organe (mini-barres dans la carte résultat) */
.bmr-breakdown { display: flex; flex-direction: column; gap: 6px; margin-top: 4px; }
.breakdown-row { display: flex; align-items: center; gap: 8px; }
.breakdown-label { font-size: .74rem; color: var(--ink-soft); min-width: 78px; }
.breakdown-bar-wrap { flex: 1; background: var(--surface-alt); border-radius: 4px; height: 6px; overflow: hidden; }
.breakdown-bar { display: flex; height: 100%; border-radius: 4px; transition: width .6s var(--ease); }
.breakdown-val { font-family: var(--font-mono); font-size: .7rem; font-weight: 600; color: var(--ink-faint); min-width: 32px; text-align: right; }

/* =========================================================
   RÉSULTATS
========================================================= */
.result-section { padding: 12px 0 56px; position: relative; }
.result-hero {
  display: grid; gap: 16px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-l); padding: 24px 20px;
  box-shadow: var(--shadow-card);
}
@media (min-width: 700px) {
  .result-hero { grid-template-columns: 1fr 1fr 1fr; align-items: center; padding: 28px 32px; gap: 24px; }
}
.result-block { display: flex; flex-direction: column; gap: 4px; }
.result-block + .result-block { border-top: 1px solid var(--border); padding-top: 16px; }
@media (min-width: 700px) {
  .result-block + .result-block {
    border-top: none; border-left: 1px solid var(--border);
    padding-top: 0; padding-left: 24px;
  }
}
.result-label {
  font-family: var(--font-mono);
  font-size: .68rem; letter-spacing: .09em; text-transform: uppercase;
  color: var(--ink-faint); margin: 0;
}
.label-badge {
  font-size: .6rem; font-weight: 700; letter-spacing: .05em;
  color: var(--f-mifflin);
  background: color-mix(in srgb, var(--f-mifflin) 12%, transparent);
  border-radius: 999px; padding: 2px 8px; text-transform: uppercase;
}
.result-number {
  font-family: var(--font-mono); font-weight: 700;
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  line-height: 1.05; margin: 0; color: var(--ink);
}
.result-number--sm     { font-size: clamp(1.5rem, 2.8vw, 2rem); color: var(--primary); }
.result-number--target { font-size: clamp(1.4rem, 2.6vw, 1.9rem); color: var(--ink); }
.result-unit { font-size: .45em; font-weight: 500; color: var(--ink-faint); vertical-align: middle; }
.result-sub  { font-size: .82rem; color: var(--ink-faint); margin: 0; }
.result-category {
  display: flex; align-items: center; gap: .5em;
  font-weight: 700; font-size: 1rem; margin: 4px 0 0;
  color: var(--category-color, var(--primary));
}
.category-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--category-color, var(--primary)); flex-shrink: 0;
}

/* jauge */
.gauge-section { margin-top: 28px; }
.gauge-wrap { display: flex; flex-direction: column; gap: 10px; }
.gauge { width: 100%; height: auto; overflow: visible; }
.gauge-legend {
  display: flex; flex-wrap: wrap; gap: 10px 18px;
  font-size: .76rem; color: var(--ink-faint);
}
.gauge-legend span { display: flex; align-items: center; gap: .4em; }
.gauge-legend i {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--c); display: inline-block;
}

/* poids idéal — 4 formules */
.ideal-section { margin-top: 44px; }
.ideal-section h2 { font-size: 1.4rem; }
.formula-grid {
  display: grid; gap: 14px; margin-top: 20px;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 720px) { .formula-grid { grid-template-columns: repeat(4, 1fr); } }
.formula-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-m); padding: 16px;
}
.formula-name  { font-size: .78rem; font-weight: 600; color: var(--ink-soft); margin: 0 0 .5em; }
.formula-value { font-family: var(--font-mono); font-weight: 700; font-size: 1.2rem; color: var(--primary); margin: 0; }
.formula-note  { font-size: .72rem; color: var(--ink-faint); margin: .4em 0 0; }

/* formula toggle */
.result-block--formula { justify-content: center; }
.formula-toggle {
  display: grid; grid-template-columns: 1fr 1fr;
  background: var(--surface-alt); border-radius: var(--radius-s);
  padding: 4px; margin-top: 8px;
}
.formula-toggle input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.formula-toggle label {
  text-align: center; padding: 9px 6px; border-radius: 7px;
  font-size: .78rem; font-weight: 600; color: var(--ink-soft);
  cursor: pointer; transition: color .2s var(--ease);
}
.formula-toggle input:checked + label {
  background: var(--surface); color: var(--primary);
  box-shadow: 0 1px 4px rgba(0,0,0,.08);
}

/* objectifs caloriques */
.goals { margin-top: 40px; }
.goals h2 { font-size: 1.4rem; }

.goals-grid {
  display: grid; gap: 14px; margin-top: 22px;
  grid-template-columns: 1fr;
}
@media (min-width: 620px) { .goals-grid { grid-template-columns: repeat(3, 1fr); } }

.goal-card {
  border-radius: var(--radius-m); padding: 20px 18px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-card);
  position: relative; overflow: hidden;
}
.goal-card::before {
  content: ""; position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: var(--goal-color, var(--primary));
}
.goal-chip {
  display: inline-block;
  font-family: var(--font-mono); font-size: .68rem;
  font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--goal-color, var(--primary));
  background: color-mix(in srgb, var(--goal-color, var(--primary)) 12%, transparent);
  border-radius: 999px; padding: 3px 10px; margin-bottom: 10px;
}
.goal-kcal {
  font-family: var(--font-mono); font-weight: 700;
  font-size: 1.8rem; line-height: 1; color: var(--ink); margin: 0 0 4px;
}
.goal-kcal span { font-size: .55em; font-weight: 500; color: var(--ink-faint); }
.goal-desc { font-size: .83rem; color: var(--ink-soft); margin: 0; }
.goal-delta { font-size: .78rem; color: var(--ink-faint); margin: 6px 0 0; }

/* macronutriments */
.macros { margin-top: 44px; }
.macros h2 { font-size: 1.4rem; }

.macro-bar-wrap { margin-top: 18px; }
.macro-bar {
  display: flex; height: 18px; border-radius: 999px;
  overflow: hidden; background: var(--surface-alt);
  margin-bottom: 16px;
}
.macro-seg {
  height: 100%;
  transition: width .6s var(--ease);
}
.macro-seg--p { background: var(--macro-p); }
.macro-seg--g { background: var(--macro-g); }
.macro-seg--l { background: var(--macro-l); }

.macro-bar-legend {
  display: flex; flex-wrap: wrap; gap: 12px 24px;
  font-size: .85rem; color: var(--ink-soft);
}
.macro-bar-legend span { display: flex; align-items: center; gap: 8px; }
.macro-dot {
  width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0;
  display: inline-block;
}
.macro-dot--p { background: var(--macro-p); }
.macro-dot--g { background: var(--macro-g); }
.macro-dot--l { background: var(--macro-l); }
.macro-bar-legend strong { color: var(--ink); }
/* =========================================================
   BANDEAUX CITATION
========================================================= */
.quote-banner { position: relative; overflow: hidden; padding: 60px 20px; text-align: center; }
.quote-banner--a {
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--pastel-peach) 60%, transparent),
    color-mix(in srgb, var(--pastel-butter) 50%, transparent));
}
.quote-banner--b {
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--pastel-sky) 55%, transparent),
    color-mix(in srgb, var(--pastel-lavender) 50%, transparent));
}
.quote-banner--c {
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--pastel-mint) 55%, transparent),
    color-mix(in srgb, var(--pastel-lavender) 50%, transparent));
}
.quote-banner--d {
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--pastel-lavender) 50%, transparent),
    color-mix(in srgb, var(--pastel-mint) 55%, transparent)
    );
}
.quote-banner__content { max-width: 700px; margin: 0 auto; }
.quote-banner blockquote { margin: 0; }
.quote-banner blockquote p {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(1.3rem, 2.4vw + .5rem, 2rem);
  line-height: 1.35; color: var(--ink); margin: 0 0 .6em;
}
.quote-banner cite { font-family: var(--font-mono); font-size: .76rem; color: var(--ink-faint); font-style: normal; }

/* =========================================================
   JAUGE IMG
========================================================= */
.gauge-section { margin-top: 40px; }
.gauge-section h2 { font-size: 1.4rem; }

.img-gauge-wrap {
  position: relative;
  margin-top: 22px;
  padding-bottom: 36px; /* espace pour les labels */
}
.img-gauge {
  display: flex; height: 20px; border-radius: 999px;
  overflow: hidden; width: 100%;
}
.gauge-seg {
  height: 100%;
  transition: width .5s var(--ease);
}
.img-gauge-marker {
  position: absolute;
  top: -6px;
  display: flex; flex-direction: column; align-items: center;
  transition: left .5s var(--ease);
  transform: translateX(-50%);
  pointer-events: none;
}
.img-gauge-needle {
  width: 3px; height: 32px;
  background: var(--ink);
  border-radius: 2px;
  box-shadow: 0 0 0 2px var(--surface);
}
.img-gauge-val {
  font-family: var(--font-mono); font-weight: 700; font-size: .78rem;
  color: var(--ink); white-space: nowrap;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 6px; padding: 2px 7px; margin-top: 4px;
  box-shadow: var(--shadow-card);
}
.img-gauge-labels {
  position: absolute; bottom: 0; left: 0; right: 0;
  display: flex; justify-content: space-between;
}
.gauge-tick-label {
  font-family: var(--font-mono); font-size: .68rem;
  color: var(--ink-faint); transform: translateX(-50%);
  position: absolute; bottom: 0;
  white-space: nowrap;
}

.gauge-legend {
  display: flex; flex-wrap: wrap; gap: 10px 20px;
  margin-top: 14px; font-size: .8rem; color: var(--ink-soft);
}
.gauge-legend span { display: flex; align-items: center; gap: 7px; }
.gauge-legend i {
  width: 10px; height: 10px; border-radius: 3px;
  background: var(--c); flex-shrink: 0; display: inline-block;
}

/* =========================================================
   BARRE DE COMPOSITION CORPORELLE
========================================================= */
.body-comp { margin-top: 44px; }
.body-comp h2 { font-size: 1.4rem; }

.comp-bar-wrap { margin-top: 18px; }
.comp-bar {
  display: flex; height: 20px; border-radius: 999px;
  overflow: hidden; background: var(--surface-alt);
  margin-bottom: 14px;
}
.comp-seg {
  height: 100%;
  transition: width .6s var(--ease);
}
.comp-seg--fat  { background: var(--fat-color); }
.comp-seg--lean { background: var(--lean-color); }

.comp-legend {
  display: flex; flex-wrap: wrap; gap: 10px 24px;
  font-size: .85rem; color: var(--ink-soft);
}
.comp-legend span { display: flex; align-items: center; gap: 8px; }
.comp-dot {
  width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0;
  display: inline-block;
}
.comp-dot--fat  { background: var(--fat-color); }
.comp-dot--lean { background: var(--lean-color); }
.comp-legend strong { color: var(--ink); }



/* =========================================================
   COMPARATIF 4 FORMULES
========================================================= */
.compare-section { margin-top: 44px; }
.compare-section h2 { font-size: 1.4rem; }

.compare-bars { display: flex; flex-direction: column; gap: 16px; margin-top: 24px; }

.compare-row { display: grid; align-items: center; gap: 12px; grid-template-columns: 130px 1fr 80px; }
@media (min-width: 560px) { .compare-row { grid-template-columns: 160px 1fr 90px; } }

.compare-name {
  font-family: var(--font-mono); font-size: .78rem; font-weight: 700;
  color: var(--c);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.compare-track {
  background: var(--surface-alt); border-radius: 6px; height: 28px;
  overflow: hidden; position: relative;
}
.compare-fill {
  height: 100%; border-radius: 6px;
  background: var(--c);
  transition: width .65s var(--ease);
  display: flex; align-items: center; justify-content: flex-end;
  padding-right: 10px;
}
.compare-fill-label {
  font-family: var(--font-mono); font-size: .7rem; font-weight: 700;
  color: var(--primary-ink); white-space: nowrap;
  opacity: 0; transition: opacity .3s var(--ease) .2s;
}
.compare-fill.show-label .compare-fill-label { opacity: 1; }
.compare-kcal {
  font-family: var(--font-mono); font-weight: 700; font-size: .88rem;
  color: var(--ink); text-align: right;
}
.compare-kcal span { font-size: .7em; color: var(--ink-faint); font-weight: 500; }

/* =========================================================
   RÉPARTITION PAR ORGANE
========================================================= */
.spending-section { margin-top: 52px; }
.spending-section h2 { font-size: 1.4rem; }

.organs-grid {
  display: grid; gap: 14px; margin-top: 24px;
  grid-template-columns: 1fr;
}
@media (min-width: 600px) { .organs-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 900px) { .organs-grid { grid-template-columns: repeat(3, 1fr); } }

.organ-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-m); padding: 16px 18px;
  box-shadow: var(--shadow-card);
  display: flex; align-items: center; gap: 14px;
}
.organ-icon {
  width: 40px; height: 40px; border-radius: 10px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--c) 14%, transparent);
  color: var(--c); font-size: 1.2rem;
}
.organ-info { flex: 1; min-width: 0; }
.organ-name { font-weight: 600; font-size: .9rem; color: var(--ink); margin: 0 0 3px; }
.organ-pct  { font-family: var(--font-mono); font-weight: 700; font-size: .8rem; color: var(--c); }
.organ-kcal { font-size: .75rem; color: var(--ink-faint); }

/* =========================================================
   TABLEAUX DE RÉFÉRENCE
========================================================= */
.tables-section { padding: 60px 0 68px; position: relative; }
.tables-section h2 { font-size: 1.5rem; }

.table-block { margin-top: 48px; }
.table-block:first-of-type { margin-top: 32px; }

.table-header { margin-bottom: 14px; }
.table-header h3 { font-size: 1.15rem; margin-bottom: .3em; }
.table-header p  { font-size: .9rem; margin: 0; }

/* conteneur scrollable mobile */
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-card);
  background: var(--surface);
  max-height: 450px;
}
.table-scroll::-webkit-scrollbar { height: 6px; width: 6px;}
.table-scroll::-webkit-scrollbar-track { background: var(--surface-alt); border-radius: 4px; }
.table-scroll::-webkit-scrollbar-thumb { background: var(--ink-faint); border-radius: 4px; }

.ref-table { width: 100%; border-collapse: collapse; font-size: .82rem; white-space: nowrap; }

/* en-tête */
.ref-table thead th {
  position: sticky; top: 0; z-index: 2;
  background: var(--surface-alt);
  font-family: var(--font-mono); font-size: .7rem; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
  color: var(--ink-soft);
  padding: 10px 12px; text-align: center;
  border-bottom: 2px solid var(--border);
  user-select: none;
}
.ref-table thead th:first-child {
  position: sticky; left: 0; z-index: 3;
  text-align: left;
}

/* corps */
.ref-table tbody th {
  position: sticky; left: 0; z-index: 1;
  background: var(--surface-alt);
  font-family: var(--font-mono); font-size: .72rem; font-weight: 700;
  color: var(--ink-soft);
  padding: 9px 12px; text-align: right;
  border-right: 2px solid var(--border);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  user-select: none;
}
.ref-table tbody td {
  padding: 8px 10px; text-align: center;
  font-family: var(--font-mono); font-size: .78rem; font-weight: 600;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 60%, transparent);
  transition: filter .15s;
  user-select: none;
}
.ref-table tbody tr:last-child td,
.ref-table tbody tr:last-child th { border-bottom: none; }
.ref-table tbody tr:hover td { filter: brightness(.95); }
[data-theme="dark"] .ref-table tbody tr:hover td { filter: brightness(1.15); }

/* cellules colorées par catégorie */
.cell-low    { background: color-mix(in srgb, var(--cat-low)    30%, transparent); color: color-mix(in srgb, var(--cat-low)    70%, var(--ink)); }
.cell-normal { background: color-mix(in srgb, var(--cat-normal) 22%, transparent); color: color-mix(in srgb, var(--cat-normal) 80%, var(--ink)); }
.cell-over   { background: color-mix(in srgb, var(--cat-over)   28%, transparent); color: color-mix(in srgb, var(--cat-over)   75%, var(--ink)); }
.cell-obese1 { background: color-mix(in srgb, var(--cat-obese1) 30%, transparent); color: color-mix(in srgb, var(--cat-obese1) 75%, var(--ink)); }
.cell-obese2 { background: color-mix(in srgb, var(--cat-obese2) 35%, transparent); color: color-mix(in srgb, var(--cat-obese2) 70%, var(--ink)); }

/* cellule de l'utilisateur */
.cell-user {
  outline: 2.5px solid var(--primary);
  outline-offset: -2px;
  box-shadow: inset 0 0 0 2.5px var(--primary);
  border-radius: 6px;
  font-weight: 800 !important;
  position: relative; z-index: 1;
}

/* ligne/colonne de l'utilisateur (surbrillance douce) */
.row-user th, .row-user td {
  background-color: var(--border) !important;
}
.col-user {
   background-color: var(--border) !important;
}
.row-user td.cell-user{
  background-color: #fff !important;
}
.ref-table td a{
  text-decoration: none;
  cursor: default;
}

.table-legend {
  display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 12px;
  font-size: .78rem; color: var(--ink-soft);
}
.table-legend span { display: flex; align-items: center; gap: 6px; }
.table-legend i {
  width: 10px; height: 10px; border-radius: 3px;
  background: var(--c); display: inline-block;
}
.table-note { font-size: .78rem; color: var(--ink-faint); margin-top: 10px; }

/* =========================================================
   CARTES INFO
========================================================= */
.info-cards { padding: 64px 0 68px; position: relative; }
.info-cards h2 { font-size: 1.5rem; max-width: 32em; }
.info-grid { display: grid; gap: 18px; grid-template-columns: 1fr; margin-top: 30px; }
@media (min-width: 760px) { .info-grid { grid-template-columns: repeat(3, 1fr); } }
.info-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-l); padding: 26px 22px;
  box-shadow: var(--shadow-card);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.info-card:hover { transform: translateY(-3px); box-shadow: 0 2px 4px rgba(22,36,31,.04), 0 20px 40px -16px rgba(22,36,31,.22); }
.info-card__icon {
  display: flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--surface-alt); color: var(--primary); margin-bottom: 16px;
}
.info-card__icon svg {
  width: 22px; height: 22px; fill: none; stroke: currentColor;
  stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
}
.info-card h3 { font-size: 1.04rem; margin-bottom: .45em; }
.info-card p  { font-size: .92rem; margin: 0; }

/* =========================================================
   TABLEAU DES CATÉGORIES
========================================================= */
.categories-section { padding: 60px 0 68px; position: relative; }
.categories-section h2 { font-size: 1.5rem; }

.cat-tables {
  display: grid; gap: 24px; margin-top: 30px;
}
@media (min-width: 640px) { .cat-tables { grid-template-columns: 1fr 1fr; } }

.cat-table-block {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-l); padding: 22px 20px;
  box-shadow: var(--shadow-card);
}
.cat-table-title {
  font-family: var(--font-display); font-size: 1.1rem;
  display: flex; align-items: center; gap: 8px;
  margin: 0 0 16px;
}
.cat-table-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--surface-alt); color: var(--primary);
  font-size: 1rem; font-style: normal;
}

.cat-table th, .cat-table td {
  text-align: left; padding: 10px 12px;
  font-size: .9rem;
}
.cat-table thead th {
  font-family: var(--font-mono); font-size: .72rem;
  text-transform: uppercase; letter-spacing: .07em;
  color: var(--ink-faint); border-bottom: 1px solid var(--border);
}
.cat-table tbody tr + tr td { border-top: 1px solid var(--border); }
.cat-table td:last-child {
  font-family: var(--font-mono); font-weight: 600; color: var(--ink);
}

.cat-badge {
  display: inline-flex; align-items: center;
  font-family: var(--font-mono); font-size: .72rem;
  font-weight: 700; letter-spacing: .05em; text-transform: uppercase;
  color: var(--c);
  background: color-mix(in srgb, var(--c) 13%, transparent);
  border-radius: 999px; padding: 3px 10px;
}


/* =========================================================
   PROSE
========================================================= */
.prose-section { padding: 60px 0 64px; position: relative; }
.prose-grid { display: grid; gap: 40px; }
@media (min-width: 780px) { .prose-grid { grid-template-columns: 1fr 1fr; gap: 56px; } }
.prose-block h2 { font-size: 1.3rem; }
.prose-block p strong { color: var(--ink); }

/* =========================================================
   CARTES RÉGIMES
========================================================= */
.diets-section { padding: 60px 0 68px; position: relative; }
.diets-section h2 { font-size: 1.5rem; }
.diet-cards {
  display: grid; gap: 18px; margin-top: 30px;
  grid-template-columns: 1fr;
}
@media (min-width: 640px)  { .diet-cards { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .diet-cards { grid-template-columns: repeat(4, 1fr); } }

.diet-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-l); padding: 22px 20px;
  box-shadow: var(--shadow-card);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.diet-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 2px 4px rgba(22,36,31,.04), 0 20px 40px -16px rgba(22,36,31,.22);
}
.diet-tag {
  display: inline-block;
  font-family: var(--font-mono); font-size: .68rem;
  font-weight: 700; letter-spacing: .05em; text-transform: uppercase;
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  border-radius: 999px; padding: 3px 10px; margin-bottom: 12px;
}
.diet-card h3 { font-size: 1rem; margin-bottom: .4em; }
.diet-card p  { font-size: .88rem; margin: 0; }

/* =========================================================
   CARTES FORMULES DÉTAILLÉES
========================================================= */
.formulas-section { padding: 60px 0 68px; position: relative; }
.formulas-section h2 { font-size: 1.5rem; }

.formula-cards {
  display: grid; gap: 18px; margin-top: 30px;
  grid-template-columns: 1fr;
}
@media (min-width: 640px)  { .formula-cards { grid-template-columns: 1fr 1fr; } }

.formula-ref-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-l); padding: 22px 20px;
  box-shadow: var(--shadow-card);
  border-top: 3px solid var(--card-accent, var(--primary));
}
.formula-ref-card--mifflin { --card-accent: var(--f-mifflin); }
.formula-ref-card--harris  { --card-accent: var(--f-harris); }
.formula-ref-card--katch   { --card-accent: var(--f-katch); }
.formula-ref-card--owen    { --card-accent: var(--f-owen); }

.formula-ref-header {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  margin-bottom: 14px;
}
.formula-ref-year {
  font-family: var(--font-mono); font-size: .68rem; font-weight: 600;
  color: var(--ink-faint);
}
.formula-ref-header h3 { margin: 0; font-size: 1.05rem; flex: 1; }
.formula-ref-badge {
  font-family: var(--font-mono); font-size: .65rem; font-weight: 700;
  letter-spacing: .05em; text-transform: uppercase;
  color: var(--card-accent);
  background: color-mix(in srgb, var(--card-accent) 12%, transparent);
  border-radius: 999px; padding: 3px 10px;
}
.formula-ref-badge--soft    { color: var(--ink-soft);  background: var(--surface-alt); }
.formula-ref-badge--accent  { color: var(--f-katch);   background: color-mix(in srgb, var(--f-katch) 12%, transparent); }

.formula-ref-eq {
  background: var(--surface-alt); border-radius: var(--radius-s);
  padding: 12px 14px; margin-bottom: 14px;
  display: flex; flex-direction: column; gap: 6px;
}
.eq-line {
  font-family: var(--font-mono); font-size: .78rem;
  color: var(--ink-soft); margin: 0;
  display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap;
}
.eq-label {
  font-size: .66rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em;
  color: var(--card-accent);
  min-width: 42px; flex-shrink: 0;
}
.formula-ref-desc { font-size: .88rem; margin: 0; }
.formula-legend-note {
  font-family: var(--font-mono); font-size: .74rem;
  color: var(--ink-faint); margin-top: 16px;
}
/* =========================================================
   FAQ
========================================================= */
.faq { padding: 60px 0 72px; position: relative; }
.faq h2 { font-size: 1.45rem; margin-bottom: 1em; }
.accordion-item { border-bottom: 1px solid var(--border); }
.accordion-item:first-child { border-top: 1px solid var(--border); }
.accordion-heading { margin: 0; }
.accordion-trigger {
  width: 100%; display: flex; align-items: center;
  justify-content: space-between; gap: 1em;
  background: none; border: none; padding: 18px 4px;
  text-align: left; font-size: 1rem; font-weight: 600;
  color: var(--ink); cursor: pointer;
}
.accordion-trigger::after {
  content: "+"; font-family: var(--font-mono);
  font-size: 1.2rem; font-weight: 400; color: var(--primary);
  flex-shrink: 0; transition: transform .25s var(--ease);
}
.accordion-trigger[aria-expanded="true"]::after { transform: rotate(45deg); }
.accordion-panel { padding: 0 4px 18px; }
.accordion-panel p { margin: 0; max-width: 54em; }

/* =========================================================
   FOOTER
========================================================= */
.site-footer { border-top: 1px solid var(--border); padding: 28px 0 44px; position: relative; overflow: hidden; }
.site-footer p { font-size: .82rem; color: var(--ink-faint); margin: 0 0 .4em; }
.footer-meta { margin: 0; }