/* Shared stylesheet for the NR+Gate / NR+Node product page (FR: /cartes-dect-nr-plus/, EN: /en/dect-nr-plus-boards/) — design tokens and components mirror https://codium.fr */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 80px; }
body { line-height: 1.6; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--c-gold); outline-offset: 3px; border-radius: var(--radius-sm); }

:root {
  --c-dark: #0e1c2e; --c-dark-2: #162540; --c-dark-3: #1e3050;
  --c-gold: #d4aa00; --c-gold-light: #e8c840; --c-gold-pale: #f5e988; --c-gold-text: #8a6e00;
  --c-warm-white: #f8f6f1; --c-warm-gray: #ede9e0; --c-mid-gray: #9ca3af;
  --c-text-dark: #1a2535; --c-text-light: #f0ece3; --c-text-muted: #6b7280;
  --font: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Inter', sans-serif;
  --text-xs: .75rem; --text-sm: .875rem; --text-base: 1rem; --text-lg: 1.125rem; --text-xl: 1.25rem;
  --text-2xl: 1.5rem; --text-3xl: 1.875rem; --text-4xl: 2.25rem; --text-5xl: 3rem; --text-6xl: 3.75rem;
  --section-py: clamp(64px, 8vw, 120px);
  --container-max: 1280px; --container-px: clamp(16px, 5vw, 64px);
  --ease-fast: .2s ease; --ease-mid: .4s ease;
  --radius-sm: 4px; --radius-md: 8px; --radius-lg: 16px; --radius-xl: 24px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,.08); --shadow-md: 0 8px 24px rgba(0,0,0,.12);
  --shadow-gold: 0 4px 20px rgba(212,170,0,.30);
}

body { font-family: var(--font); font-size: var(--text-base); background: var(--c-warm-white); color: var(--c-text-dark); }
h1, h2, h3, h4 { line-height: 1.15; font-weight: 700; }
.container { max-width: var(--container-max); margin: 0 auto; padding-inline: var(--container-px); }
.plus { color: var(--c-gold); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; font-size: var(--text-sm); font-weight: 600; letter-spacing: .04em;
  padding: 14px 28px; border-radius: var(--radius-md); border: 2px solid transparent; transition: all var(--ease-fast); white-space: nowrap; }
.btn--dark { background: var(--c-dark); color: var(--c-gold); }
.btn--dark:hover { background: var(--c-dark-3); transform: translateY(-1px); }
.btn--outline-dark { color: var(--c-dark); border-color: rgba(14,28,46,.4); }
.btn--outline-dark:hover { border-color: var(--c-dark); background: rgba(14,28,46,.05); }
.btn--ghost { color: rgba(240,236,227,.9); border-color: rgba(240,236,227,.4); }
.btn--ghost:hover { background: rgba(240,236,227,.1); border-color: rgba(240,236,227,.7); color: var(--c-text-light); }

/* Navigation */
.nav-wrapper { position: fixed; inset: 0 0 auto; z-index: 1000; transition: background-color .5s ease, box-shadow .5s ease; }
.nav-wrapper::before { content: ''; position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(14,28,46,.65), transparent);
  transition: opacity .5s ease; pointer-events: none; }
.nav-wrapper.is-solid { background: var(--c-dark); box-shadow: 0 2px 20px rgba(0,0,0,.3); }
.nav-wrapper.is-solid::before { opacity: 0; }
.nav { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 32px;
  max-width: 1400px; height: 88px; margin: 0 auto; padding-inline: var(--container-px); transition: height .45s ease; }
.nav-wrapper.is-solid .nav { height: 72px; }
.nav-logo img { height: 48px; width: auto; }
.nav-menu { display: flex; align-items: center; gap: 8px; list-style: none; }
.nav-link { font-size: 1.05rem; font-weight: 700; color: rgba(240,236,227,.85); padding: 8px 12px; border-radius: var(--radius-sm);
  transition: color var(--ease-fast), background var(--ease-fast); }
.nav-link:hover { color: var(--c-text-light); background: rgba(255,255,255,.07); }
.nav-link--cta { background: var(--c-gold); color: var(--c-dark) !important; padding: 8px 20px; border-radius: var(--radius-md); font-weight: 600; }
.nav-link--cta:hover { background: var(--c-gold-light); box-shadow: var(--shadow-gold); }
.nav-back { font-size: var(--text-xs); font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--c-gold); }
.nav-burger { display: none; width: 44px; height: 44px; flex-direction: column; justify-content: center; gap: 6px; padding: 10px; }
.nav-burger span { display: block; height: 2px; background: var(--c-text-light); border-radius: 2px; transition: transform var(--ease-fast), opacity var(--ease-fast); }

/* Hero — split screen, one side per board (same pattern as the codium.fr hero) */
.hero { display: grid; grid-template-columns: 1fr 1fr; min-height: min(100vh, 920px); background: var(--c-dark); }
.hero-side { position: relative; display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden;
  padding: 140px clamp(24px, 4vw, 64px) clamp(40px, 6vw, 80px); color: var(--c-text-light); isolation: isolate; }
.hero-side + .hero-side { border-left: 1px solid rgba(212,170,0,.15); }
.hero-side::before { content: ''; position: absolute; inset: 0; z-index: -1; transition: opacity var(--ease-mid);
  background: radial-gradient(ellipse 70% 55% at 50% 38%, rgba(212,170,0,.16), transparent 70%); }
.hero-gate { background: linear-gradient(160deg, var(--c-dark-2), var(--c-dark) 70%); }
.hero-node { background: linear-gradient(200deg, var(--c-dark-3), var(--c-dark) 70%); }
.hero-side:hover::before { opacity: 1.6; }
.hero-side__visual { flex: 1; display: flex; align-items: center; justify-content: center; margin-bottom: 40px; }
.hero-side__card { background: #fff; border-radius: var(--radius-xl); padding: 20px; max-width: 92%;
  box-shadow: 0 24px 48px rgba(0,0,0,.35); display: flex; align-items: center; justify-content: center;
  transition: transform .7s cubic-bezier(.4,0,.2,1), box-shadow var(--ease-mid); }
.hero-side__card img { max-height: 320px; width: auto; max-width: 100%; object-fit: contain; display: block; }
.hero-side:hover .hero-side__card { transform: translateY(-6px) scale(1.02); box-shadow: 0 32px 64px rgba(0,0,0,.4); }
.hero-side__label { font-size: var(--text-xs); font-weight: 600; letter-spacing: .25em; color: var(--c-gold); margin-bottom: 14px; }
.hero-side__title { font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl)); font-weight: 800; letter-spacing: -.01em; }
.hero-side__subtitle { font-size: var(--text-lg); color: rgba(240,236,227,.7); margin: 10px 0 24px; max-width: 32ch; }
.hero-side__cta { display: inline-flex; align-items: center; gap: 8px; font-size: var(--text-sm); font-weight: 600; color: var(--c-gold);
  border-bottom: 1px solid rgba(212,170,0,.4); padding-bottom: 4px; align-self: flex-start; transition: gap var(--ease-fast); }
.hero-side:hover .hero-side__cta { gap: 14px; }

/* Sections */
.section { position: relative; padding: var(--section-py) 0; }
.section--light { background: var(--c-warm-white); }
.section--white { background: #fff; }
.section--dark { background: var(--c-dark); color: var(--c-text-light); }
.section--gold { background: var(--c-gold); color: var(--c-dark); }
.section-label { display: inline-block; font-size: var(--text-xs); font-weight: 600; letter-spacing: .2em; text-transform: uppercase;
  color: var(--c-gold-text); margin-bottom: 16px; }
.section--dark .section-label { color: var(--c-gold); }
.section-title { font-size: clamp(var(--text-3xl), 3.5vw, var(--text-5xl)); margin-bottom: 24px; }
.section-body { font-size: var(--text-lg); line-height: 1.75; color: var(--c-text-muted); max-width: 60ch; margin-bottom: 16px; }
.section--dark .section-body { color: rgba(240,236,227,.65); }
.section-head { max-width: 760px; margin-bottom: clamp(40px, 5vw, 64px); }

/* About */
.about-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(40px, 6vw, 96px); align-items: center; }
.about-numbers { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.number-card { background: #fff; border: 1px solid var(--c-warm-gray); border-radius: var(--radius-lg); padding: 28px 24px;
  display: flex; flex-direction: column; gap: 6px; box-shadow: var(--shadow-sm); transition: box-shadow var(--ease-mid), transform var(--ease-mid); }
.number-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.number-card:first-child { grid-column: span 2; }
.number-card__value { font-size: var(--text-4xl); font-weight: 700; color: var(--c-dark); line-height: 1; }
.number-card__label { font-size: var(--text-sm); color: var(--c-text-muted); font-weight: 500; }

/* Sensor-to-cloud flow */
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; list-style: none; counter-reset: step; }
.flow-step { position: relative; background: rgba(255,255,255,.04); border: 1px solid rgba(212,170,0,.15); border-radius: var(--radius-xl);
  padding: 32px 28px; transition: background var(--ease-mid), border-color var(--ease-mid), transform var(--ease-mid); }
.flow-step:hover { background: rgba(255,255,255,.065); border-color: rgba(212,170,0,.4); transform: translateY(-4px); }
.flow-step--accent { border-color: rgba(212,170,0,.45); background: rgba(212,170,0,.07); }
.flow-step:not(:last-child)::after { content: ''; position: absolute; top: 50%; right: -15px; width: 10px; height: 10px; z-index: 1;
  border-top: 2px solid var(--c-gold); border-right: 2px solid var(--c-gold); transform: translateY(-50%) rotate(45deg); opacity: .7; }
.flow-step__icon { color: var(--c-gold); margin-bottom: 20px; opacity: .85; }
.flow-step__number { display: block; font-size: var(--text-xs); font-weight: 600; letter-spacing: .25em; color: rgba(212,170,0,.55); margin-bottom: 10px; }
.flow-step__title { font-size: var(--text-xl); color: var(--c-text-light); margin-bottom: 10px; }
.flow-step__body { font-size: var(--text-sm); color: rgba(240,236,227,.65); line-height: 1.7; }

/* Product detail */
.product { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(40px, 6vw, 88px); align-items: start; }
.product--reverse { grid-template-columns: 7fr 5fr; }
.product--reverse .product__media { order: 2; }
.product__media { position: sticky; top: 104px; }
.product__photo { border-radius: var(--radius-xl); background: #fff; border: 1px solid var(--c-warm-gray); box-shadow: var(--shadow-sm);
  display: flex; align-items: center; justify-content: center; padding: 32px; aspect-ratio: 4 / 3; }
.section--white .product__photo { background: var(--c-warm-white); }
.product__photo img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.chip { font-size: var(--text-xs); font-weight: 600; letter-spacing: .04em; padding: 6px 12px; border-radius: 999px;
  background: rgba(212,170,0,.1); color: var(--c-gold-text); border: 1px solid rgba(212,170,0,.25); }
.product__lead { font-size: var(--text-xl); line-height: 1.6; color: var(--c-text-dark); margin-bottom: 32px; max-width: 58ch; }
.spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 40px; }
.spec-card { background: #fff; border: 1px solid var(--c-warm-gray); border-radius: var(--radius-lg); padding: 24px;
  transition: border-color var(--ease-mid), box-shadow var(--ease-mid); }
.section--white .spec-card { background: var(--c-warm-white); }
.spec-card:hover { border-color: rgba(212,170,0,.35); box-shadow: var(--shadow-sm); }
.spec-card__title { display: flex; align-items: center; gap: 10px; font-size: var(--text-xs); font-weight: 700; letter-spacing: .15em;
  text-transform: uppercase; color: var(--c-dark); margin-bottom: 14px; }
.spec-card__title svg { color: var(--c-gold); flex: none; }
.spec-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.spec-list li { display: flex; gap: 10px; font-size: var(--text-sm); color: var(--c-text-muted); line-height: 1.5; }
.spec-list li::before { content: ''; width: 6px; height: 6px; min-width: 6px; margin-top: .5em; border-radius: 50%; background: var(--c-gold); opacity: .7; }
.spec-list strong { color: var(--c-text-dark); font-weight: 600; }
.sub-title { font-size: var(--text-2xl); margin-bottom: 20px; }
.feature-list { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 14px 32px; margin-bottom: 40px; }
.feature-list li { font-size: var(--text-sm); color: var(--c-text-muted); line-height: 1.6; padding-left: 16px; border-left: 2px solid var(--c-gold); }
.feature-list strong { display: block; color: var(--c-text-dark); font-size: var(--text-base); margin-bottom: 2px; }
.uses { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.use { background: #fff; border: 1px solid var(--c-warm-gray); border-radius: var(--radius-lg); padding: 20px 18px; }
.section--white .use { background: var(--c-warm-white); }
.use svg { color: var(--c-gold); margin-bottom: 12px; }
.use h4 { font-size: var(--text-sm); color: var(--c-dark); margin-bottom: 4px; }
.use p { font-size: var(--text-xs); color: var(--c-text-muted); line-height: 1.55; }

/* Comparison table */
.compare-wrap { overflow-x: auto; border: 1px solid var(--c-warm-gray); border-radius: var(--radius-xl); background: #fff; }
.compare { width: 100%; border-collapse: collapse; min-width: 640px; font-size: var(--text-sm); }
.compare th, .compare td { text-align: left; padding: 16px 24px; border-bottom: 1px solid var(--c-warm-gray); vertical-align: top; }
.compare thead th { background: var(--c-dark); color: var(--c-text-light); font-size: var(--text-base); }
.compare tbody th { color: var(--c-dark); font-weight: 600; width: 22%; }
.compare td { color: var(--c-text-muted); }
.compare tbody tr:last-child > * { border-bottom: none; }

/* Opener Initiative */
.opener { display: grid; grid-template-columns: 1fr 1.4fr; gap: clamp(40px, 6vw, 96px); align-items: center; }
.opener__logo { border: 1px solid rgba(212,170,0,.2); border-radius: var(--radius-xl); padding: clamp(32px, 5vw, 64px);
  background: rgba(255,255,255,.03); }
.opener__actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 32px; }

/* CTA */
.cta-block { text-align: center; max-width: 680px; margin: 0 auto; }
.cta-title { font-size: clamp(var(--text-3xl), 3.5vw, var(--text-5xl)); margin-bottom: 20px; }
.cta-body { font-size: var(--text-lg); color: rgba(14,28,46,.72); margin-bottom: 40px; line-height: 1.7; }
.cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* Footer */
.footer { background: var(--c-dark); color: var(--c-text-light); padding: clamp(48px, 6vw, 80px) 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(240,236,227,.08); }
.footer-logo { height: 48px; width: auto; margin-bottom: 20px; }
.footer-tagline, .footer-address { font-size: var(--text-sm); color: rgba(240,236,227,.62); line-height: 1.8; font-style: normal; }
.footer-tagline { margin-bottom: 16px; }
.footer-nav__title { font-size: var(--text-xs); font-weight: 600; letter-spacing: .15em; text-transform: uppercase; color: var(--c-gold); margin-bottom: 20px; }
.footer-nav ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-nav a { font-size: var(--text-sm); color: rgba(240,236,227,.7); transition: color var(--ease-fast); }
.footer-nav a:hover { color: var(--c-gold); }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 20px 0; }
.footer-bottom p, .footer-bottom a { font-size: var(--text-xs); color: rgba(240,236,227,.55); }
.footer-bottom a:hover { color: var(--c-text-light); }

/* Scroll reveal — content stays visible when JavaScript is off */
.js .reveal { opacity: 0; transform: translateY(32px); transition: opacity .65s ease, transform .65s ease; transition-delay: var(--delay, 0s); }
.js .reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  * { transition-duration: 0s !important; }
}

/* Responsive */
@media (max-width: 1080px) {
  .flow { grid-template-columns: 1fr 1fr; }
  .flow-step:nth-child(2)::after { display: none; }
  .uses { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .nav-burger { display: flex; }
  .nav-menu { position: fixed; inset: 72px 0 auto; flex-direction: column; align-items: stretch; gap: 0; background: var(--c-dark);
    padding: 8px var(--container-px) 24px; box-shadow: 0 16px 32px rgba(0,0,0,.3); transform: translateY(-120%); visibility: hidden;
    transition: transform .35s ease, visibility .35s; }
  .nav-menu.is-open { transform: none; visibility: visible; }
  .nav-link { display: block; padding: 14px 0; border-bottom: 1px solid rgba(240,236,227,.08); border-radius: 0; }
  .nav-link--cta { margin-top: 16px; text-align: center; border-radius: var(--radius-md); }
  .nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .nav-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  .hero { grid-template-columns: 1fr; }
  .hero-side { min-height: 78vh; padding-top: 112px; }
  .hero-side + .hero-side { border-left: none; border-top: 1px solid rgba(212,170,0,.15); padding-top: 64px; }
  .hero-side__card img { max-height: 200px; }
  .hero-side__card { padding: 14px; }
  .about-grid, .product, .product--reverse, .opener { grid-template-columns: 1fr; }
  .product--reverse .product__media { order: 0; }
  .product__media { position: static; }
  .product__photo { aspect-ratio: auto; max-height: 420px; }
  .product__photo img { max-height: 340px; }
}
@media (max-width: 640px) {
  .nav-logo img { height: 38px; }
  .nav-back { display: none; }
  .flow, .spec-grid, .feature-list, .about-numbers { grid-template-columns: 1fr; }
  .number-card:first-child { grid-column: auto; }
  .flow-step::after { display: none; }
  .uses { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cta-actions { flex-direction: column; align-items: center; }
}

/* ── Cookie banner (consent — mirrors codium.fr) ── */
.reading-progress{position:fixed;top:0;left:0;width:0%;height:3px;background:linear-gradient(90deg,var(--c-gold),rgba(212,170,0,.6));z-index:99999;pointer-events:none;transition:width .05s linear}
.cookie-banner{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:9999;background:rgba(10,20,36,.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(212,170,0,.2);border-radius:var(--radius-xl);padding:20px 28px;display:flex;align-items:center;gap:24px;max-width:780px;width:calc(100% - 48px);box-shadow:0 20px 60px rgba(0,0,0,.5);transition:transform .4s cubic-bezier(.34,1.56,.64,1),opacity .4s ease}
.cookie-banner.is-hidden{transform:translateX(-50%) translateY(120%);opacity:0;pointer-events:none}
.cookie-banner__text{font-size:var(--text-sm);color:rgba(240,236,227,.8);line-height:1.5;flex:1}
.cookie-banner__text strong{color:var(--c-text-light)}
.cookie-banner__text a{color:var(--c-gold);text-decoration:underline}
.cookie-banner__actions{display:flex;gap:10px;flex-shrink:0}
.cookie-btn{padding:9px 20px;border-radius:var(--radius-md);font-family:var(--font);font-size:var(--text-sm);font-weight:600;cursor:pointer;border:none;transition:transform .2s,opacity .2s;white-space:nowrap}
.cookie-btn:hover{opacity:.85;transform:translateY(-1px)}
.cookie-btn--accept{background:var(--c-gold);color:var(--c-dark)}
.cookie-btn--reject{background:var(--c-text-light);color:var(--c-dark)}
@media(max-width:640px){.cookie-banner{flex-direction:column;align-items:flex-start;gap:14px;bottom:10px;padding:16px 20px}.cookie-banner__actions{width:100%}.cookie-btn{flex:1;text-align:center}}

/* ── NR+ anchor nav extras ── */
.nav-lang{display:flex;align-items:center;gap:6px;font-size:.75rem;font-weight:600;letter-spacing:.08em;color:rgba(240,236,227,.5)}
.nav-lang a{color:rgba(240,236,227,.6);transition:color .2s}
.nav-lang a:hover,.nav-lang a.active{color:var(--c-gold)}
.nav-lang-mobile{display:none;gap:16px;padding-top:16px;font-size:.8rem;font-weight:600;letter-spacing:.08em}
.nav-lang-mobile a{color:rgba(240,236,227,.6)}
.nav-lang-mobile a.active{color:var(--c-gold)}
@media(max-width:900px){.nav-lang{display:none}.nav-menu .nav-lang-mobile{display:flex}}

/* ── Event banner ── */
.event-banner{display:flex;align-items:center;gap:16px;background:rgba(212,170,0,.08);border:1px solid rgba(212,170,0,.3);border-radius:var(--radius-lg);padding:16px 22px;margin:28px auto 0;max-width:720px;font-size:.88rem;color:var(--c-text-dark)}
.event-banner strong{color:var(--c-dark)}
.event-banner a{color:var(--c-gold-text);font-weight:700;text-decoration:underline;white-space:nowrap}
@media(max-width:640px){.event-banner{flex-direction:column;align-items:flex-start;text-align:left;margin-inline:16px}}