/* ==========================================================================
   COMNETIX — Landing pages (verticales + comparatives)
   Charte alignée sur index.html. Réutilisable sur toutes les nouvelles pages.
   ========================================================================== */

:root {
  --canvas: #FFFFFF;
  --canvas-cream: #FBFAF6;
  --canvas-paper: #F8F7F3;
  --ink: #0A0A0A;
  --ink-soft: #1F2937;
  --grey: #6B7280;
  --grey-light: #9CA3AF;
  --line: rgba(10,10,10,0.06);
  --line-strong: rgba(10,10,10,0.12);
  --accent-live: #10A37F;
  --warm-paper: #FAF6EC;
  --font-display: 'Inter Tight', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --font-serif: 'Instrument Serif', Georgia, serif;
  --r-sm: 6px;
  --r-md: 12px;
  --r-lg: 18px;
  --ease-out: cubic-bezier(0.22,0.61,0.36,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font-body); color: var(--ink); background: var(--canvas); line-height: 1.6; font-size: 16px; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1080px; margin: 0 auto; padding: 0 clamp(20px, 4vw, 48px); }

/* Navigation */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,0.92); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 800; letter-spacing: 0.02em; font-size: 0.95rem; }
.brand img { height: 22px; width: auto; }
.nav__cta { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; background: var(--ink); color: var(--canvas); border-radius: 999px; font-weight: 600; font-size: 0.85rem; transition: transform 200ms var(--ease-out); }
.nav__cta:hover { transform: translateY(-1px); }

/* Eyebrow */
.eyebrow { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--grey); }

/* Hero */
.hero { padding: clamp(60px, 10vw, 120px) 0 clamp(50px, 8vw, 90px); border-bottom: 1px solid var(--line); }
.hero__crumb { display: inline-flex; gap: 8px; color: var(--grey); font-size: 0.82rem; margin-bottom: 24px; flex-wrap: wrap; }
.hero__crumb a { color: var(--grey); transition: color 200ms; }
.hero__crumb a:hover { color: var(--ink); }
.hero h1 { font-family: var(--font-display); font-size: clamp(2.2rem, 5vw + 0.5rem, 4rem); line-height: 1.05; letter-spacing: -0.02em; font-weight: 800; max-width: 18ch; margin-bottom: 28px; }
.hero h1 em { font-family: var(--font-serif); font-style: italic; font-weight: 400; color: var(--ink-soft); }
.hero__lede { font-size: clamp(1.05rem, 1vw + 0.85rem, 1.25rem); color: var(--ink-soft); max-width: 60ch; margin-bottom: 40px; line-height: 1.55; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 26px; border-radius: 999px; font-weight: 600; font-size: 0.95rem; transition: all 200ms var(--ease-out); border: 1px solid transparent; cursor: pointer; }
.btn--primary { background: var(--ink); color: var(--canvas); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(10,10,10,0.18); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn--ghost:hover { border-color: var(--ink); }
.btn--inverse { background: rgba(255,255,255,0.1); color: var(--canvas); border-color: rgba(255,255,255,0.3); }
.btn--inverse:hover { background: rgba(255,255,255,0.18); }

.hero__proof { display: inline-flex; align-items: center; gap: 8px; margin-top: 28px; font-family: var(--font-mono); font-size: 0.78rem; color: var(--grey); }
.hero__proof::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--accent-live); box-shadow: 0 0 0 4px rgba(16,163,127,0.18); animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 0%,100%{opacity:1;} 50%{opacity:0.5;} }

/* Sections */
section { padding: clamp(60px, 8vw, 100px) 0; border-bottom: 1px solid var(--line); }
.section__head { margin-bottom: 50px; max-width: 700px; }
.section__head .eyebrow { margin-bottom: 14px; display: block; }
h2 { font-family: var(--font-display); font-size: clamp(1.8rem, 3.5vw + 0.5rem, 2.8rem); line-height: 1.1; letter-spacing: -0.015em; font-weight: 800; margin-bottom: 20px; }
h2 em { font-family: var(--font-serif); font-style: italic; font-weight: 400; color: var(--ink-soft); }
h3 { font-family: var(--font-display); font-size: 1.18rem; font-weight: 700; line-height: 1.3; margin-bottom: 10px; }
.section__lede { font-size: 1.08rem; color: var(--ink-soft); max-width: 60ch; line-height: 1.6; }

/* Pain bullets */
.pains { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; margin-top: 30px; }
.pain { padding: 24px; background: var(--canvas-cream); border: 1px solid var(--line); border-radius: var(--r-md); }
.pain__num { font-family: var(--font-mono); font-size: 0.7rem; color: var(--grey); margin-bottom: 8px; display: block; letter-spacing: 0.1em; }
.pain p { color: var(--ink-soft); font-size: 0.95rem; }

/* Œuvres / cards */
.oeuvres { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin-top: 30px; }
.oeuvre { padding: 28px; background: var(--canvas); border: 1px solid var(--line-strong); border-radius: var(--r-md); transition: all 200ms; }
.oeuvre:hover { border-color: var(--ink); transform: translateY(-2px); box-shadow: 0 12px 30px rgba(10,10,10,0.06); }
.oeuvre__icon { font-family: var(--font-serif); font-style: italic; font-size: 1.4rem; color: var(--grey); margin-bottom: 14px; }
.oeuvre p { color: var(--ink-soft); font-size: 0.95rem; }

/* Use cases */
.cases { display: grid; gap: 18px; margin-top: 30px; }
.case { display: grid; grid-template-columns: 80px 1fr; gap: 20px; padding: 24px; background: var(--canvas-paper); border-radius: var(--r-md); border: 1px solid var(--line); align-items: start; }
.case__num { font-family: var(--font-display); font-size: 1.8rem; color: var(--grey-light); font-weight: 800; }
.case h3 { margin-bottom: 8px; }
.case p { color: var(--ink-soft); font-size: 0.95rem; }

/* Comparison table */
.compare { margin-top: 30px; overflow-x: auto; }
.compare table { width: 100%; border-collapse: collapse; font-size: 0.93rem; min-width: 600px; }
.compare th, .compare td { padding: 16px 18px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.compare th { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--grey); font-weight: 500; background: var(--canvas-cream); }
.compare th.is-us { color: var(--ink); }
.compare td.is-us { font-weight: 600; color: var(--ink); background: rgba(16,163,127,0.04); }
.compare td.is-them { color: var(--grey); }

/* Verdict cards (for comparatives) */
.verdicts { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-top: 30px; }
.verdict { padding: 32px; background: var(--canvas-cream); border: 1px solid var(--line-strong); border-radius: var(--r-md); }
.verdict--us { background: var(--ink); color: var(--canvas); border-color: var(--ink); }
.verdict__title { font-family: var(--font-display); font-weight: 800; font-size: 1.2rem; margin-bottom: 16px; }
.verdict ul { list-style: none; padding: 0; }
.verdict li { padding: 8px 0 8px 26px; position: relative; font-size: 0.95rem; line-height: 1.5; }
.verdict li::before { content: '→'; position: absolute; left: 0; color: var(--grey); }
.verdict--us li::before { color: var(--accent-live); }

/* Model summary block */
.model { background: var(--ink); color: var(--canvas); border-radius: var(--r-lg); padding: clamp(40px, 6vw, 72px); text-align: center; margin-top: 30px; }
.model__zero { font-family: var(--font-display); font-size: clamp(4rem, 12vw, 8rem); font-weight: 900; line-height: 1; margin-bottom: 16px; }
.model__zero sup { font-size: 0.4em; vertical-align: super; }
.model__line { font-size: 1.1rem; max-width: 50ch; margin: 0 auto 12px; opacity: 0.86; }
.model__line strong { color: var(--canvas); font-weight: 700; }

/* FAQ */
.faq { margin-top: 30px; display: grid; gap: 12px; }
.faq details { padding: 20px 22px; background: var(--canvas); border: 1px solid var(--line-strong); border-radius: var(--r-md); transition: border-color 200ms; }
.faq details[open] { border-color: var(--ink); }
.faq summary { font-family: var(--font-display); font-weight: 700; font-size: 1.02rem; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 16px; align-items: start; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-size: 1.4rem; color: var(--grey); flex-shrink: 0; line-height: 1; transition: transform 200ms; }
.faq details[open] summary::after { content: '−'; }
.faq details p { margin-top: 12px; color: var(--ink-soft); font-size: 0.95rem; line-height: 1.65; }

/* Internal linking */
.related { margin-top: 30px; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.related a { padding: 18px 20px; background: var(--canvas-cream); border: 1px solid var(--line); border-radius: var(--r-md); transition: all 200ms; }
.related a:hover { border-color: var(--ink); background: var(--canvas); }
.related__label { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--grey); display: block; margin-bottom: 6px; }
.related__title { font-family: var(--font-display); font-weight: 700; font-size: 0.98rem; }

/* Final CTA */
.final { padding: clamp(70px, 9vw, 110px) 0; background: var(--warm-paper); border-bottom: 1px solid var(--line); text-align: center; }
.final h2 { max-width: 22ch; margin: 0 auto 22px; }
.final p { max-width: 50ch; margin: 0 auto 32px; color: var(--ink-soft); font-size: 1.1rem; }

/* Footer */
.footer { padding: 40px 0; font-size: 0.82rem; color: var(--grey); }
.footer__inner { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer__links { display: inline-flex; gap: 22px; flex-wrap: wrap; }
.footer__links a { transition: color 200ms; }
.footer__links a:hover { color: var(--ink); }

/* Mobile */
@media (max-width: 640px) {
  .nav__cta span { display: none; }
  .case { grid-template-columns: 1fr; }
  .case__num { font-size: 1.4rem; }
}