/* ============================================================
   Boat-Elec — main.css
   Palette : encre marine profonde + cyan bioluminescent
   ============================================================ */

:root {
  --ink:        #06141F;
  --ink-2:      #0A2233;
  --ink-3:      #0E2A3D;
  --deep:       #0E3A52;
  --teal:       #1BC7C9;
  --teal-2:     #27D3D5;
  --teal-bright:#5BF0D0;
  --glow:       #9CFFE6;
  --foam:       #EAF6F7;
  --mist:       #9FB8C4;
  --line:       rgba(155, 200, 215, 0.14);
  --line-2:     rgba(155, 200, 215, 0.08);

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body:    "Inter", system-ui, -apple-system, sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, monospace;

  --maxw: 1180px;
  --pad: clamp(20px, 5vw, 56px);
  --radius: 18px;
  --radius-sm: 12px;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--foam);
  background: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--teal-2); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--glow); }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.08; margin: 0 0 .5em; letter-spacing: -0.02em; }
p { margin: 0 0 1em; }
.mono { font-family: var(--font-mono); }

:focus-visible { outline: 2px solid var(--teal-2); outline-offset: 3px; border-radius: 4px; }

/* ---------- Layout helpers ---------- */
.wrap { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); }
.section { padding-block: clamp(64px, 9vw, 132px); position: relative; }
.eyebrow {
  font-family: var(--font-mono);
  font-size: .78rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--teal-2); margin: 0 0 1rem;
  display: inline-flex; align-items: center; gap: .6em;
}
.eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--teal); opacity: .6; }
.section-title { font-size: clamp(1.9rem, 4.2vw, 3rem); max-width: 16ch; }
.lead { font-size: clamp(1.05rem, 1.8vw, 1.28rem); color: var(--mist); max-width: 62ch; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .6em;
  font-family: var(--font-display); font-weight: 600; font-size: .98rem;
  padding: .85em 1.5em; border-radius: 999px; cursor: pointer;
  border: 1px solid transparent; transition: transform .18s ease, box-shadow .25s ease, background .25s ease;
}
.btn-primary {
  background: linear-gradient(120deg, var(--teal), var(--teal-bright));
  color: #042027; box-shadow: 0 0 0 rgba(91,240,208,0);
}
.btn-primary:hover { color: #042027; transform: translateY(-2px); box-shadow: 0 14px 38px -12px rgba(91,240,208,.6); }
.btn-ghost { border-color: var(--line); color: var(--foam); }
.btn-ghost:hover { border-color: var(--teal); color: var(--glow); }
.btn svg { width: 17px; height: 17px; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 60;
  backdrop-filter: blur(14px);
  background: rgba(6, 20, 31, 0.72);
  border-bottom: 1px solid var(--line-2);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 1.5rem; }
.brand-link { display: flex; align-items: center; }
.brand-link img { height: 42px; width: auto; }
.main-nav { display: flex; align-items: center; gap: clamp(1rem, 2.4vw, 2.2rem); }
.main-nav a { color: var(--foam); font-size: .96rem; font-weight: 500; }
.main-nav a:hover { color: var(--teal-2); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--foam); margin: 5px 0; transition: .25s; }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: absolute; top: 76px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--ink-2); border-bottom: 1px solid var(--line);
    max-height: 0; overflow: hidden; transition: max-height .3s ease;
  }
  .main-nav.open { max-height: 420px; }
  .main-nav a { width: 100%; padding: 1rem var(--pad); border-top: 1px solid var(--line-2); }
  .main-nav .btn { margin: 1rem var(--pad); }
}

/* ============================================================
   HERO
   ============================================================ */
.hero { position: relative; overflow: hidden; padding-block: clamp(80px, 12vw, 160px); }
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(900px 520px at 78% 12%, rgba(27,199,201,.16), transparent 60%),
    radial-gradient(700px 500px at 12% 90%, rgba(14,58,82,.5), transparent 60%),
    linear-gradient(180deg, var(--ink), var(--ink));
}
.hero-wave { position: absolute; bottom: -2px; left: 0; width: 100%; height: auto; z-index: 1; opacity: .9; }
.hero .wrap { position: relative; z-index: 2; }
.hero h1 {
  font-size: clamp(2.5rem, 6.4vw, 4.6rem);
  max-width: 15ch; margin-bottom: .35em;
}
.hero h1 .accent {
  background: linear-gradient(110deg, var(--teal), var(--teal-bright) 60%, var(--glow));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .lead { margin-bottom: 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; }
.hero-meta {
  margin-top: 3rem; display: flex; flex-wrap: wrap; gap: 2rem;
  font-family: var(--font-mono); font-size: .82rem; color: var(--mist);
  border-top: 1px solid var(--line-2); padding-top: 1.6rem;
}
.hero-meta strong { display: block; color: var(--foam); font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; }

/* ============================================================
   CHAÎNE (process 01..05) — signature
   ============================================================ */
.chain { background: var(--ink-2); }
.chain-grid { display: grid; gap: 1px; background: var(--line-2); border: 1px solid var(--line-2); border-radius: var(--radius); overflow: hidden; margin-top: 3rem; }
@media (min-width: 720px) { .chain-grid { grid-template-columns: repeat(5, 1fr); } }
.chain-step { background: var(--ink-2); padding: 2rem 1.5rem; position: relative; transition: background .25s; }
.chain-step:hover { background: var(--ink-3); }
.chain-num { font-family: var(--font-mono); font-size: .8rem; color: var(--teal-2); letter-spacing: .15em; }
.chain-step h3 { font-size: 1.12rem; margin: .9rem 0 .5rem; }
.chain-step p { font-size: .92rem; color: var(--mist); margin: 0; line-height: 1.55; }
.chain-step .dot { position: absolute; top: 2rem; right: 1.5rem; width: 8px; height: 8px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 14px var(--teal); }

/* ============================================================
   SEGMENTS (cibles)
   ============================================================ */
.cards { display: grid; gap: 1.5rem; margin-top: 3rem; }
@media (min-width: 800px) { .cards { grid-template-columns: repeat(3, 1fr); } }
.card {
  background: linear-gradient(180deg, var(--ink-2), var(--ink));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 2.2rem; position: relative; overflow: hidden;
  transition: transform .25s ease, border-color .25s ease;
}
.card:hover { transform: translateY(-4px); border-color: rgba(27,199,201,.4); }
.card::after { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--teal), transparent); }
.card .ico { width: 46px; height: 46px; margin-bottom: 1.3rem; color: var(--teal-2); }
.card h3 { font-size: 1.4rem; }
.card p { color: var(--mist); font-size: .98rem; }
.card ul { list-style: none; padding: 0; margin: 1.2rem 0 0; }
.card li { font-size: .9rem; color: var(--foam); padding: .35rem 0 .35rem 1.5rem; position: relative; }
.card li::before { content: ""; position: absolute; left: 0; top: .85em; width: 7px; height: 7px; border-radius: 50%; background: var(--teal); }

/* ============================================================
   SECTIONS deux colonnes (BE + La Ciotat)
   ============================================================ */
.split { display: grid; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
@media (min-width: 900px) { .split { grid-template-columns: 1.05fr .95fr; } .split.reverse > :first-child { order: 2; } }
.feature-list { list-style: none; padding: 0; margin: 1.8rem 0 0; display: grid; gap: 1.1rem; }
.feature-list li { display: flex; gap: .9rem; align-items: flex-start; }
.feature-list .fi { flex: 0 0 auto; width: 24px; height: 24px; color: var(--teal-2); margin-top: 2px; }
.feature-list b { font-family: var(--font-display); display: block; }
.feature-list span { color: var(--mist); font-size: .94rem; }

.panel {
  background: linear-gradient(150deg, var(--deep), var(--ink-2));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(1.8rem, 3vw, 2.6rem);
}
.panel .kpi { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line-2); border-radius: var(--radius-sm); overflow: hidden; margin-top: .5rem; }
.panel .kpi div { background: var(--ink-2); padding: 1.4rem; }
.panel .kpi strong { font-family: var(--font-display); font-size: 1.9rem; display: block; color: var(--glow); }
.panel .kpi span { font-size: .82rem; color: var(--mist); font-family: var(--font-mono); }
.badge-row { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.6rem; }
.badge { font-family: var(--font-mono); font-size: .76rem; padding: .4em .9em; border-radius: 999px; border: 1px solid var(--line); color: var(--mist); }

/* ============================================================
   FAQ
   ============================================================ */
.faq { display: grid; gap: 1rem; margin-top: 2.5rem; max-width: 820px; }
.faq details { background: var(--ink-2); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 0 1.4rem; }
.faq summary { cursor: pointer; padding: 1.25rem 0; font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.5rem; color: var(--teal-2); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding-bottom: 1.3rem; margin: 0; color: var(--mist); font-size: .96rem; }

/* ============================================================
   CTA bandeau
   ============================================================ */
.cta-band { background: linear-gradient(120deg, var(--deep), var(--ink-3)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.cta-band .wrap { text-align: center; }
.cta-band h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); margin-inline: auto; max-width: 20ch; }
.cta-band .lead { margin-inline: auto; }
.cta-band .hero-actions { justify-content: center; margin-top: 1.8rem; }

/* ============================================================
   CONTACT / FORM
   ============================================================ */
.contact-grid { display: grid; gap: clamp(2rem, 5vw, 3.5rem); }
@media (min-width: 860px) { .contact-grid { grid-template-columns: .8fr 1.2fr; } }
.contact-info p { color: var(--mist); }
.contact-info .line { display: flex; gap: .8rem; align-items: flex-start; margin-bottom: 1.1rem; }
.contact-info .line svg { width: 20px; height: 20px; color: var(--teal-2); flex: 0 0 auto; margin-top: 3px; }

.be-form { background: var(--ink-2); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.6rem, 3vw, 2.4rem); }
.be-form .row { display: grid; gap: 1.1rem; }
@media (min-width: 560px) { .be-form .row.two { grid-template-columns: 1fr 1fr; } }
.be-field { margin-bottom: 1.1rem; }
.be-field label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: .45rem; font-family: var(--font-display); }
.be-field label .req { color: var(--teal-2); }
.be-field input, .be-field select, .be-field textarea {
  width: 100%; background: var(--ink); border: 1px solid var(--line); border-radius: var(--radius-sm);
  color: var(--foam); font: inherit; font-size: .96rem; padding: .8rem .95rem; transition: border-color .2s;
}
.be-field input:focus, .be-field select:focus, .be-field textarea:focus { border-color: var(--teal); outline: none; }
.be-field textarea { resize: vertical; min-height: 130px; }
.be-consent { display: flex; gap: .7rem; align-items: flex-start; font-size: .86rem; color: var(--mist); margin: 1.1rem 0 1.4rem; }
.be-consent input { margin-top: 4px; accent-color: var(--teal); width: 18px; height: 18px; flex: 0 0 auto; }
.hp-field { position: absolute; left: -9999px; top: -9999px; height: 0; overflow: hidden; }
.be-alert { padding: 1rem 1.2rem; border-radius: var(--radius-sm); margin-bottom: 1.4rem; font-size: .94rem; }
.be-alert.ok { background: rgba(91,240,208,.12); border: 1px solid rgba(91,240,208,.4); color: var(--glow); }
.be-alert.err { background: rgba(255,107,107,.1); border: 1px solid rgba(255,107,107,.4); color: #ffb3b3; }
.be-field-error { color: #ffb3b3; font-size: .82rem; margin-top: .4rem; display: none; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { background: var(--ink-2); border-top: 1px solid var(--line); padding-block: clamp(48px, 7vw, 80px) 0; }
.footer-top { display: grid; gap: 2.5rem; padding-bottom: 3rem; }
@media (min-width: 760px) { .footer-top { grid-template-columns: 1.4fr 1fr 1fr; } }
.footer-brand img { height: 40px; margin-bottom: 1.2rem; }
.footer-brand p { color: var(--mist); font-size: .92rem; max-width: 38ch; }
.footer-col h4 { font-size: .8rem; font-family: var(--font-mono); letter-spacing: .15em; text-transform: uppercase; color: var(--mist); margin-bottom: 1.1rem; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .7rem; }
.footer-col a { color: var(--foam); font-size: .94rem; }
.footer-col a:hover { color: var(--teal-2); }

/* Bloc écosystème */
.eco { border-top: 1px solid var(--line-2); padding-block: 2rem; display: grid; gap: 1px; background: var(--line-2); border-radius: var(--radius); overflow: hidden; margin-bottom: 2.5rem; }
@media (min-width: 700px) { .eco { grid-template-columns: repeat(3, 1fr); } }
.eco-item { background: var(--ink-2); padding: 1.5rem; }
.eco-item .r { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--teal-2); }
.eco-item b { font-family: var(--font-display); font-size: 1.1rem; display: block; margin: .35rem 0; }
.eco-item span { font-size: .85rem; color: var(--mist); }

.footer-bottom { border-top: 1px solid var(--line-2); padding-block: 1.6rem; display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center; font-size: .82rem; color: var(--mist); }
.footer-bottom nav { display: flex; flex-wrap: wrap; gap: 1.4rem; }
.footer-bottom a { color: var(--mist); }
.footer-bottom a:hover { color: var(--teal-2); }

/* ============================================================
   PAGES légales / contenu
   ============================================================ */
.page-head { padding-block: clamp(56px, 8vw, 96px) 0; }
.page-body { padding-block: clamp(32px, 5vw, 56px) clamp(64px, 9vw, 120px); }
.page-body .wrap { max-width: 820px; }
.prose h2 { font-size: 1.5rem; margin-top: 2.4rem; }
.prose h3 { font-size: 1.15rem; margin-top: 1.8rem; }
.prose p, .prose li { color: #cfe0e7; }
.prose ul { padding-left: 1.2rem; }
.prose a { text-decoration: underline; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.4rem 0; font-size: .92rem; }
.prose th, .prose td { text-align: left; padding: .7rem .9rem; border: 1px solid var(--line); }
.prose th { background: var(--ink-2); font-family: var(--font-display); }

/* ---------- Fil d'Ariane ---------- */
.breadcrumb { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; font-family: var(--font-mono); font-size: .76rem; color: var(--mist); margin-bottom: 1.2rem; }
.breadcrumb a { color: var(--mist); }
.breadcrumb a:hover { color: var(--teal-2); }
.breadcrumb span[aria-hidden] { color: var(--teal); opacity: .6; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}