:root {
  --bg: #ffffff;
  --bg-soft: #f5f4f2;
  --text: #0a0a0a;
  --muted: #6f6f6f;
  --line: rgba(10, 10, 10, 0.14);
  --line-soft: rgba(10, 10, 10, 0.08);
  --shadow: 0 24px 70px rgba(10, 10, 10, 0.10);
  --serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --sans: "Manrope", "Segoe UI", sans-serif;
  --radius: 4px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0; min-height: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Emojis en niveaux de gris pour rester monochrome */
.tag, .ico, .result-item, .image-drop-label, .check {
  filter: grayscale(1) contrast(1.05);
}

/* Décorations colorées supprimées */
.bg-shape { display: none; }

/* ---------- HEADER ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  width: 100%;
  padding: 22px clamp(20px, 5vw, 60px);
  border-bottom: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
}
.logo {
  font-family: var(--sans);
  font-size: 1.3rem; font-weight: 700;
  letter-spacing: 0.42em; text-transform: uppercase;
  color: var(--text); text-decoration: none;
  padding-left: 0.42em;
}
nav { display: flex; justify-content: center; gap: 34px; }
nav a {
  text-decoration: none; color: var(--text); font-weight: 500;
  font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.14em;
  opacity: 0.7; transition: opacity .25s;
}
nav a:hover { opacity: 1; }

.waitlist-btn {
  border: 1px solid var(--text); background: var(--text); color: #fff;
  padding: 12px 22px; border-radius: var(--radius);
  font-family: var(--sans); font-weight: 600; font-size: 0.78rem;
  text-transform: uppercase; letter-spacing: 0.14em; cursor: pointer;
  transition: background .25s, color .25s;
}
.waitlist-btn:hover { background: #fff; color: var(--text); }
.waitlist-btn.large { margin-top: 22px; padding: 16px 34px; font-size: 0.85rem; }

.header-actions .waitlist-btn { border-color: #ec4899; background: #ec4899; }
.header-actions .waitlist-btn:hover { background: #fff; color: #ec4899; }

.header-actions { display: flex; align-items: center; gap: 14px; }
.login-link {
  text-decoration: none; font-weight: 600; font-size: 0.78rem;
  letter-spacing: 0.06em; color: var(--text); opacity: 0.75;
  background: none; border: none; font-family: var(--sans); cursor: pointer;
  padding: 8px 4px; transition: opacity .25s;
}
.login-link:hover { opacity: 1; }
.admin-user { font-size: 0.82rem; color: var(--muted); }
.lang-switch {
  text-decoration: none; font-weight: 600; font-size: 0.78rem;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text); opacity: 0.75;
  padding: 11px 15px; border-radius: var(--radius);
  border: 1px solid var(--line); transition: all .25s;
}
.lang-switch:hover { opacity: 1; background: var(--text); color: #fff; border-color: var(--text); }

main { width: min(1180px, 90vw); margin: 0 auto; }

/* ---------- SECTION HEADS ---------- */
.section-head { max-width: 760px; margin: 0 auto 52px; text-align: center; }
.eyebrow {
  display: inline-block; margin: 0 0 18px;
  font-size: 0.72rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.28em; color: var(--muted);
}
.section-head h2 {
  margin: 0; font-family: var(--serif); font-weight: 600;
  font-size: clamp(2rem, 4.2vw, 3.2rem); line-height: 1.08; letter-spacing: -0.01em;
}
.section-sub { margin: 20px auto 0; max-width: 620px; color: var(--muted); font-size: 1.02rem; line-height: 1.6; }

main > section { margin-top: 130px; }
main > section:first-child { margin-top: 70px; }

/* ---------- HERO ---------- */
.hero { text-align: center; max-width: 900px; margin-left: auto; margin-right: auto; }
.hero h1 {
  margin: 26px 0 0;
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(2.6rem, 7vw, 5.4rem);
  line-height: 1.02; letter-spacing: -0.02em;
}
.hero h1 span { display: block; font-style: italic; font-weight: 500; }
.tag {
  width: fit-content; margin: 0 auto; padding: 9px 18px;
  border: 1px solid var(--line); border-radius: 999px;
  font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.2em;
  color: var(--muted);
}
.hero-text {
  max-width: 620px; margin: 28px auto 0;
  font-size: clamp(1rem, 1.6vw, 1.15rem); color: var(--muted); line-height: 1.7;
}
.hero-text strong { color: var(--text); font-weight: 600; }

.search-card {
  margin: 40px auto 0; padding: 26px; text-align: left;
  border-radius: var(--radius); border: 1px solid var(--text);
  background: var(--bg); box-shadow: var(--shadow);
}
.search-label {
  display: inline-block; margin-bottom: 14px; font-weight: 600;
  font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.2em; color: var(--muted);
}
textarea {
  width: 100%; resize: vertical; padding: 16px;
  border-radius: var(--radius); border: 1px solid var(--line);
  font-family: var(--sans); font-size: 1rem; min-height: 92px; color: var(--text);
  background: var(--bg-soft);
}
textarea:focus { outline: none; border-color: var(--text); background: #fff; }
.card-footer { margin-top: 16px; display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.card-footer span { color: var(--muted); font-size: 0.9rem; }
#try-btn {
  border: 1px solid var(--text); padding: 14px 24px; border-radius: var(--radius);
  background: var(--text); color: #fff; font-weight: 600; font-family: var(--sans);
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.14em;
  cursor: pointer; white-space: nowrap; transition: background .25s, color .25s;
}
#try-btn:hover { background: #fff; color: var(--text); }

.image-drop {
  margin-top: 14px; padding: 16px 18px;
  border: 1px dashed var(--line); border-radius: var(--radius);
  background: var(--bg-soft); cursor: pointer; transition: border-color .25s, background .25s;
}
.image-drop:hover, .image-drop.dragover { border-color: var(--text); background: #fff; }
.image-drop-label { color: var(--muted); font-size: 0.9rem; line-height: 1.5; display: block; }
.image-drop-label strong { color: var(--text); font-weight: 600; }
.image-drop-file { display: block; margin-top: 8px; font-weight: 600; color: var(--text); font-size: 0.9rem; }

.quick-results { margin: 18px auto 0; display: grid; gap: 10px; text-align: left; max-width: 820px; }
.result-item {
  border: 1px solid var(--line-soft); border-radius: var(--radius);
  padding: 15px 18px; background: var(--bg-soft); color: var(--text); font-weight: 500; font-size: 0.95rem;
}

.hero-stats {
  margin: 50px auto 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 0;
  border: 1px solid var(--line-soft); border-radius: var(--radius); width: fit-content;
}
.hero-stats div { display: flex; flex-direction: column; padding: 20px 34px; }
.hero-stats div + div { border-left: 1px solid var(--line-soft); }
.hero-stats strong { font-family: var(--serif); font-size: 2rem; font-weight: 600; }
.hero-stats span { color: var(--muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.14em; margin-top: 4px; }

/* ---------- LOGOS ---------- */
.logos { text-align: center; border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); padding: 46px 0; }
.logos p { color: var(--muted); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.24em; margin: 0 0 26px; }
.logo-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 20px 46px; }
.logo-row span {
  font-family: var(--serif); font-weight: 500; font-style: italic; font-size: 1.35rem;
  color: var(--text); opacity: 0.55;
}

/* ---------- STEPS ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); }
.steps article { padding: 40px 30px; border-bottom: 1px solid var(--line); }
.steps article + article { border-left: 1px solid var(--line); }
.step-num {
  font-family: var(--serif); font-size: 1.4rem; font-weight: 600; font-style: italic;
  color: var(--text);
}
.steps h3 { margin: 18px 0 12px; font-family: var(--serif); font-weight: 600; font-size: 1.35rem; }
.steps p { margin: 0; color: var(--muted); line-height: 1.65; font-size: 0.96rem; }

/* ---------- USE CASES ---------- */
.usecase-body { display: grid; grid-template-columns: 0.85fr 1.5fr; gap: 28px; align-items: start; }
.usecase.alt .usecase-body { grid-template-columns: 0.85fr 1.5fr; }
.query-bubble {
  border: 1px solid var(--text); border-radius: var(--radius);
  background: var(--text); color: #fff; padding: 30px;
}
.bubble-label { font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.24em; opacity: 0.6; }
.query-bubble p { margin: 16px 0 0; font-family: var(--serif); font-size: 1.3rem; line-height: 1.5; font-style: italic; }

.compare-table {
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--bg);
}
.compare-row {
  display: grid; grid-template-columns: 1.3fr 1fr 0.7fr 1.7fr;
  gap: 14px; padding: 18px 22px; align-items: center; border-top: 1px solid var(--line-soft);
}
.compare-head {
  border-top: none; background: var(--bg-soft);
  font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.16em; font-weight: 600; color: var(--muted);
}
.compare-row .shop { font-weight: 600; }
.compare-row .price { font-weight: 600; font-family: var(--serif); font-size: 1.2rem; }
.compare-row .price.best { display: flex; flex-direction: column; }
.compare-row .price.best em {
  font-size: 0.6rem; font-style: normal; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--muted); margin-top: 2px;
}
.compare-row .rating { font-weight: 600; }
.compare-row .perk { color: var(--muted); font-size: 0.9rem; }

.idea-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.idea-card {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 24px;
  background: var(--bg); display: flex; flex-direction: column; gap: 10px;
}
.idea-card strong { font-family: var(--serif); font-weight: 600; font-size: 1.15rem; }
.idea-card span { color: var(--muted); font-size: 0.9rem; line-height: 1.55; }

.usecase-note {
  margin: 26px 0 0; padding: 18px 22px; border-radius: var(--radius);
  background: var(--bg-soft); border-left: 2px solid var(--text);
  color: var(--text); font-weight: 500; font-size: 0.98rem;
}

/* ---------- FEATURES ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.feature-grid article { padding: 36px 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.feature-grid .ico { font-size: 1.5rem; opacity: 0.85; }
.feature-grid h3 { margin: 18px 0 10px; font-family: var(--serif); font-weight: 600; font-size: 1.25rem; }
.feature-grid p { margin: 0; color: var(--muted); line-height: 1.6; font-size: 0.95rem; }

/* ---------- TECH ---------- */
.tech-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border: 1px solid var(--line); }
.tech-grid article { padding: 40px; }
.tech-grid article:nth-child(odd) { border-right: 1px solid var(--line); }
.tech-grid article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
.tech-grid h3 { margin: 0 0 14px; font-family: var(--serif); font-weight: 600; font-size: 1.35rem; }
.tech-grid p { margin: 0; color: var(--muted); line-height: 1.7; font-size: 0.98rem; }
.tech-grid em { color: var(--text); font-style: italic; font-weight: 500; }

/* ---------- TRUST ---------- */
/* ---------- NOTRE HISTOIRE / OUR STORY ---------- */
.story-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 64px; align-items: center; }
.story-photo {
  position: relative; aspect-ratio: 4 / 5; border-radius: var(--radius);
  overflow: hidden; background: var(--bg-soft); border: 1px solid var(--line);
}
.story-photo img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.05); display: block; }
.story-photo-placeholder { display: none; }
.story-photo--empty img { display: none; }
.story-photo--empty { display: flex; align-items: center; justify-content: center; }
.story-photo--empty .story-photo-placeholder {
  display: block; color: var(--muted); font-size: 0.85rem; letter-spacing: 0.04em;
}
.story-text .eyebrow { text-align: left; }
.story-text h2 { margin: 10px 0 22px; font-family: var(--serif); font-weight: 600; font-size: clamp(1.6rem, 2.4vw, 2.1rem); }
.story-text p { margin: 0 0 16px; color: var(--muted); font-size: 1rem; line-height: 1.7; }
.story-text p:last-child { margin-bottom: 0; }

.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.trust-grid div { padding: 34px 26px; text-align: center; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust-grid .ico { font-size: 1.5rem; opacity: 0.85; }
.trust-grid h3 { margin: 16px 0 8px; font-family: var(--serif); font-weight: 600; font-size: 1.2rem; }
.trust-grid p { margin: 0; color: var(--muted); font-size: 0.9rem; line-height: 1.55; }

/* ---------- TESTIMONIALS ---------- */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testi-grid blockquote {
  margin: 0; border-top: 2px solid var(--text); padding: 28px 6px 0; background: none;
}
.testi-grid p { margin: 0 0 20px; font-family: var(--serif); font-style: italic; font-size: 1.2rem; line-height: 1.55; }
.testi-grid footer { color: var(--muted); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.14em; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 800px; margin: 0 auto; display: grid; gap: 0; border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary {
  cursor: pointer; padding: 26px 4px; font-family: var(--serif); font-weight: 600; font-size: 1.2rem;
  list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 20px;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; font-size: 1.5rem; font-weight: 400; }
.faq-list details[open] summary::after { content: "–"; }
.faq-list details p { margin: 0 4px 26px; color: var(--muted); line-height: 1.7; }

/* ---------- CTA ---------- */
.cta {
  border: 1px solid var(--text); background: var(--text); color: #fff;
  border-radius: var(--radius); padding: 80px 30px; text-align: center;
}
.cta h2 { margin: 0; font-family: var(--serif); font-weight: 600; font-size: clamp(2.2rem, 4.6vw, 3.6rem); }
.cta > p { margin: 20px auto 0; color: rgba(255,255,255,0.7); max-width: 540px; font-size: 1.08rem; line-height: 1.6; }
.cta .waitlist-btn.large { border-color: #fff; background: #fff; color: var(--text); }
.cta .waitlist-btn.large:hover { background: transparent; color: #fff; }
.cta-mini { margin-top: 22px !important; font-size: 0.8rem !important; text-transform: uppercase; letter-spacing: 0.14em; color: rgba(255,255,255,0.6) !important; }
.cta-mini strong { color: #fff; }

/* ---------- FOOTER ---------- */
footer { width: min(1180px, 90vw); margin: 110px auto 60px; }
.footer-inner {
  border-top: 1px solid var(--line); padding-top: 40px;
  display: flex; flex-direction: column; gap: 8px; align-items: center; text-align: center;
}
.footer-inner .logo { font-size: 1.1rem; margin-bottom: 6px; }
.footer-inner p { margin: 0; color: var(--muted); font-size: 0.9rem; }
.footer-inner .copyright { font-size: 0.78rem; opacity: 0.7; margin-top: 8px; }

/* ---------- MODAL ---------- */
.modal-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(10, 10, 10, 0.6); backdrop-filter: blur(5px);
  display: flex; align-items: center; justify-content: center; padding: 20px;
  animation: fadeIn 0.2s ease;
}
.modal-overlay[hidden] { display: none; }
.modal {
  position: relative; width: min(460px, 100%);
  background: var(--bg); border-radius: var(--radius); padding: 44px 38px;
  box-shadow: 0 40px 90px rgba(0,0,0,0.5); border: 1px solid var(--text);
  animation: popIn 0.25s cubic-bezier(.2,.8,.2,1);
}
.modal .tag { margin: 0 0 18px; }
.modal h2 { margin: 0; font-family: var(--serif); font-weight: 600; font-size: 2rem; }
.modal-sub { margin: 12px 0 26px; color: var(--muted); line-height: 1.6; }
.modal-close {
  position: absolute; top: 18px; right: 20px; border: none; background: none;
  font-size: 1.7rem; line-height: 1; cursor: pointer; color: var(--muted);
}
.modal-close:hover { color: var(--text); }
#waitlist-form { display: flex; gap: 10px; }
#waitlist-email {
  flex: 1; padding: 15px; border-radius: var(--radius);
  border: 1px solid var(--line); font-family: var(--sans); font-size: 1rem; background: var(--bg-soft);
}
#waitlist-email:focus { outline: none; border-color: var(--text); background: #fff; }
#waitlist-form button {
  border: 1px solid var(--text); background: var(--text); color: #fff;
  padding: 0 24px; border-radius: var(--radius); font-weight: 600; font-family: var(--sans);
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.12em; cursor: pointer; white-space: nowrap;
  transition: background .25s, color .25s;
}
#waitlist-form button:hover { background: #fff; color: var(--text); }
.modal-error { color: var(--text); font-weight: 600; font-size: 0.88rem; margin: 14px 0 0; }
.modal-legal { margin: 20px 0 0; font-size: 0.76rem; color: var(--muted); line-height: 1.5; }

.modal-success { text-align: center; padding: 12px 0; }
.modal-success .check { font-size: 3rem; }
.modal-success h2 { margin: 16px 0 10px; }
.modal-success p { color: var(--muted); line-height: 1.6; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes popIn { from { opacity: 0; transform: translateY(16px) scale(0.97); } to { opacity: 1; transform: none; } }

/* ---------- REVEAL ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.in-view { opacity: 1; transform: none; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .site-header { grid-template-columns: auto auto; }
  .site-header nav { display: none; }
  .steps, .feature-grid, .testi-grid, .idea-cards, .tech-grid { grid-template-columns: 1fr; }
  .story-grid { grid-template-columns: 1fr; gap: 30px; }
  .story-photo { aspect-ratio: 16 / 9; max-width: 420px; margin: 0 auto; }
  .steps article + article, .tech-grid article:nth-child(odd) { border-left: none; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .usecase-body, .usecase.alt .usecase-body { grid-template-columns: 1fr; }
  .compare-row { grid-template-columns: 1fr 1fr; gap: 8px 14px; }
  .compare-row .perk { grid-column: 1 / -1; }
  .compare-head { display: none; }
  .card-footer { flex-direction: column; align-items: stretch; }
  #try-btn { width: 100%; }
}
@media (max-width: 560px) {
  .trust-grid { grid-template-columns: 1fr; }
  .hero-stats { width: 100%; }
  .hero-stats div { flex: 1; padding: 18px 16px; }
}

/* ---------- AUTH (login.html) ---------- */
.auth-main { width: min(420px, 90vw); margin: 90px auto; }
.auth-card {
  padding: 36px 32px; text-align: center;
  border-radius: var(--radius); border: 1px solid var(--text);
  background: var(--bg); box-shadow: var(--shadow);
}
.auth-card h1 { margin: 12px 0 6px; font-family: var(--serif); font-weight: 600; font-size: 1.7rem; }
.auth-sub { margin: 0 0 24px; color: var(--muted); font-size: 0.92rem; }
#auth-form { display: grid; gap: 12px; text-align: left; }
#auth-form input {
  width: 100%; padding: 14px 16px; border-radius: var(--radius);
  border: 1px solid var(--line); font-family: var(--sans); font-size: 1rem;
  color: var(--text); background: var(--bg-soft);
}
#auth-form input:focus { outline: none; border-color: var(--text); background: #fff; }
#auth-submit {
  margin-top: 4px; border: 1px solid var(--text); padding: 14px 24px; border-radius: var(--radius);
  background: var(--text); color: #fff; font-weight: 600; font-family: var(--sans);
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.14em;
  cursor: pointer; transition: background .25s, color .25s;
}
#auth-submit:hover { background: #fff; color: var(--text); }
#auth-submit:disabled { opacity: 0.6; cursor: default; }
.auth-error { margin: 16px 0 0; color: #b3261e; font-size: 0.88rem; }
.auth-success { margin: 16px 0 0; color: #1a7a4c; font-size: 0.88rem; }
.auth-toggle {
  margin-top: 22px; background: none; border: none; cursor: pointer;
  font-family: var(--sans); font-size: 0.85rem; color: var(--muted);
  text-decoration: underline; text-underline-offset: 3px;
}
.auth-toggle:hover { color: var(--text); }

/* ---------- ADMIN (admin.html) ---------- */
.admin-main { width: min(1000px, 90vw); margin: 60px auto 100px; }
.admin-state { text-align: center; padding: 90px 20px; }
.admin-state h1 { margin: 14px 0 10px; font-family: var(--serif); font-weight: 600; font-size: 1.7rem; }
.admin-state p { color: var(--muted); margin: 0 0 22px; }
.admin-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
.admin-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.admin-table th, .admin-table td {
  padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--line-soft); white-space: nowrap;
}
.admin-table th {
  font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--muted); background: var(--bg-soft);
}
.admin-table tbody tr:last-child td { border-bottom: none; }