/* ============================================
   HOMABOT — Charte graphique
   Tirée du logo : bleu profond + bleu clair + gris
   ============================================ */

:root {
  --blue-deep: #1E5A9C;
  --blue-mid: #2E72BC;
  --blue-light: #4A8DC9;
  --blue-pale: #E8F1FA;
  --ink: #1A2332;
  --ink-soft: #4A5568;
  --gray-700: #3A3A3A;
  --gray-500: #717784;
  --gray-300: #D9DFE7;
  --gray-100: #F1F4F8;
  --bg: #F8F9FB;
  --white: #FFFFFF;
  --card-bg: #FFFFFF;
  --header-bg: rgba(248, 249, 251, 0.85);
  --footer-bg: #0F1822;
  --footer-text: rgba(255,255,255,0.7);
  --accent-dot: #2A2F3A;
  --shadow-sm: 0 1px 2px rgba(20,30,50,0.04), 0 2px 6px rgba(20,30,50,0.04);
  --shadow-md: 0 4px 12px rgba(20,30,50,0.06), 0 12px 32px rgba(20,30,50,0.06);
  --shadow-lg: 0 10px 24px rgba(20,30,50,0.08), 0 30px 60px rgba(20,30,50,0.10);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;
  --max-w: 1200px;
}

/* Mode nuit */
html[data-theme="dark"] {
  --blue-deep: #4A8DC9;
  --blue-mid: #5FA0DC;
  --blue-light: #7BB5E8;
  --blue-pale: #1A2A3D;
  --ink: #E8ECF3;
  --ink-soft: #B0B8C5;
  --gray-700: #C0C4CC;
  --gray-500: #8A93A3;
  --gray-300: #2A3340;
  --gray-100: #1A2230;
  --bg: #0F1620;
  --white: #1A2230;
  --card-bg: #1A2230;
  --header-bg: rgba(15, 22, 32, 0.85);
  --footer-bg: #070B11;
  --footer-text: rgba(255,255,255,0.6);
}

/* Bouton thème */
.theme-toggle {
  background: transparent;
  border: 1.5px solid var(--gray-300);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--ink);
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
  padding: 0;
  flex-shrink: 0;
}
.theme-toggle:hover {
  background: var(--blue-pale);
  border-color: var(--blue-deep);
  color: var(--blue-deep);
  transform: rotate(15deg);
}
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
html[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
html[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* Bouton primary navbar : forcer le contraste blanc/bleu en mode nuit aussi */
.nav-main .btn-primary,
.cta-final .btn,
.btn-primary {
  color: #FFFFFF !important;
}
.cta-final .btn,
.price-card.featured .btn-primary {
  color: var(--blue-deep) !important;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--ink);
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }

p { margin: 0 0 1em; color: var(--ink-soft); }
a { color: var(--blue-deep); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-300);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: var(--max-w);
  margin: 0 auto;
  gap: 16px;
}
.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}
.logo-link:hover { text-decoration: none; }
.logo-link img {
  height: 38px;
  width: 38px;
  object-fit: contain;
}
.logo-text {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}
.nav-main {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-main a {
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}
.nav-main a:hover {
  color: var(--blue-deep);
  text-decoration: none;
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.nav-toggle {
  display: none;
  background: none;
  border: 0;
  width: 40px;
  height: 40px;
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  transition: 0.25s;
}
.nav-toggle span { position: relative; }
.nav-toggle span::before { position: absolute; top: -7px; left: 0; }
.nav-toggle span::after { position: absolute; top: 7px; left: 0; }
.nav-toggle.is-open span { background: transparent; }
.nav-toggle.is-open span::before { transform: rotate(45deg); top: 0; }
.nav-toggle.is-open span::after { transform: rotate(-45deg); top: 0; }

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  border: 0;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--blue-deep);
  color: var(--white);
  box-shadow: 0 6px 16px rgba(30, 90, 156, 0.25);
}
.btn-primary:hover {
  background: var(--blue-mid);
  transform: translateY(-1px);
  text-decoration: none;
  box-shadow: 0 8px 22px rgba(30, 90, 156, 0.35);
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--gray-300);
}
.btn-ghost:hover {
  background: var(--white);
  border-color: var(--blue-deep);
  color: var(--blue-deep);
  text-decoration: none;
}
.btn-lg {
  padding: 16px 30px;
  font-size: 1rem;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  padding: 80px 0 60px;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--blue-pale);
  color: var(--blue-deep);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 20px;
}
.hero-eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--blue-deep);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}
.hero h1 .accent {
  color: var(--blue-deep);
  position: relative;
  white-space: nowrap;
}
.hero h1 .accent::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 4px;
  height: 8px;
  background: var(--blue-pale);
  z-index: -1;
  border-radius: 4px;
}
.hero-lead {
  font-size: 1.15rem;
  color: var(--ink-soft);
  margin-bottom: 28px;
  max-width: 540px;
}
.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.hero-meta {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  font-size: 0.88rem;
  color: var(--gray-500);
}
.hero-meta li {
  display: flex; align-items: center; gap: 6px;
}
.hero-meta ul {
  list-style: none; padding: 0; margin: 0;
  display: flex; gap: 22px; flex-wrap: wrap;
}
.check {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--blue-deep);
  color: white;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: bold;
  flex-shrink: 0;
}

/* Hero illustration : chat mockup */
.chat-mock {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 22px;
  position: relative;
  border: 1px solid var(--gray-300);
}
.chat-mock::before {
  content: '';
  position: absolute;
  inset: -30px;
  background: radial-gradient(circle at 30% 20%, rgba(74,141,201,0.18), transparent 60%),
              radial-gradient(circle at 80% 80%, rgba(30,90,156,0.15), transparent 60%);
  z-index: -1;
  border-radius: 40px;
}
.chat-head {
  display: flex; align-items: center; gap: 10px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--gray-100);
  margin-bottom: 16px;
}
.chat-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--blue-pale);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.chat-avatar img { width: 30px; height: 30px; object-fit: contain; }
.chat-name { font-weight: 600; font-size: 0.95rem; }
.chat-status { font-size: 0.78rem; color: #2BA86A; display: flex; align-items: center; gap: 5px; }
.chat-status::before {
  content: ''; width: 7px; height: 7px; border-radius: 50%;
  background: #2BA86A;
}
.chat-msgs { display: flex; flex-direction: column; gap: 10px; }
.msg {
  max-width: 82%;
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 0.92rem;
  line-height: 1.45;
  animation: msgIn 0.5s ease both;
}
@keyframes msgIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}
.msg.user {
  align-self: flex-end;
  background: var(--blue-deep);
  color: var(--white);
  border-bottom-right-radius: 4px;
}
.msg.bot {
  align-self: flex-start;
  background: var(--gray-100);
  color: var(--ink);
  border-bottom-left-radius: 4px;
}
.msg.bot.typing {
  padding: 14px 16px;
  display: inline-flex;
  gap: 4px;
}
.msg.typing span {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gray-500);
  animation: bounce 1.2s infinite;
}
.msg.typing span:nth-child(2) { animation-delay: 0.15s; }
.msg.typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
  30% { transform: translateY(-5px); opacity: 1; }
}

/* Section générique */
.section {
  padding: 80px 0;
}
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--blue-deep);
  margin-bottom: 12px;
}

/* ============================================
   FEATURES
   ============================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--blue-light);
}
.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--blue-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-deep);
  margin-bottom: 18px;
}
.feature-card h3 { margin-bottom: 8px; font-size: 1.1rem; }
.feature-card p { font-size: 0.95rem; margin: 0; }

/* ============================================
   HOW IT WORKS
   ============================================ */
.how-section {
  background: var(--white);
}
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
}
.step {
  position: relative;
  padding: 24px;
  text-align: center;
}
.step-num {
  width: 56px; height: 56px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--blue-deep);
  color: white;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.3rem;
  box-shadow: 0 8px 18px rgba(30,90,156,0.25);
}
.step h3 { font-size: 1.1rem; margin-bottom: 8px; }
.step p { font-size: 0.95rem; margin: 0; }

/* ============================================
   PRICING (simple : 1 offre essai + 1 abo)
   ============================================ */
.pricing-section {
  padding: 80px 0;
}
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 880px;
  margin: 0 auto;
}
.price-card {
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s, transform 0.2s;
}
.price-card:hover { box-shadow: var(--shadow-md); }
.price-card.featured {
  background: linear-gradient(180deg, var(--blue-deep) 0%, #174A82 100%);
  border-color: var(--blue-deep);
  color: var(--white);
  position: relative;
  transform: translateY(-6px);
}
.price-card.featured h3,
.price-card.featured .price-amount,
.price-card.featured .price-unit { color: var(--white); }
.price-card.featured p,
.price-card.featured li { color: rgba(255,255,255,0.92); }
.price-card.featured .badge {
  position: absolute; top: -12px; right: 24px;
  background: var(--white); color: var(--blue-deep);
  padding: 4px 12px; border-radius: var(--radius-pill);
  font-size: 0.78rem; font-weight: 600;
}
.price-card h3 { margin-bottom: 6px; }
.price-tag-line { font-size: 0.95rem; margin-bottom: 22px; }
.price-amount {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem; font-weight: 700;
  display: inline-flex; align-items: baseline; gap: 4px;
}
.price-amount .currency { font-size: 1.4rem; font-weight: 500; }
.price-unit { font-size: 0.95rem; color: var(--ink-soft); margin-left: 6px; }
.price-features {
  list-style: none; padding: 0; margin: 24px 0 28px;
  display: flex; flex-direction: column; gap: 12px;
}
.price-features li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 0.95rem;
}
.price-features li .check { margin-top: 3px; }
.price-card.featured .check {
  background: var(--white); color: var(--blue-deep);
}
.price-card .btn { margin-top: auto; width: 100%; }
.price-card.featured .btn-primary {
  background: var(--white); color: var(--blue-deep);
}
.price-card.featured .btn-primary:hover {
  background: var(--blue-pale);
}

/* ============================================
   FAQ
   ============================================ */
.faq-section { background: var(--white); }
.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--bg);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 24px;
  font-weight: 600;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--blue-deep);
  transition: transform 0.2s;
  flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-body {
  padding: 0 24px 20px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}
.faq-body p { margin: 0; }

/* ============================================
   CTA FINAL
   ============================================ */
.cta-final {
  background: linear-gradient(135deg, var(--blue-deep) 0%, #163E6F 100%);
  color: var(--white);
  text-align: center;
  padding: 80px 24px;
  position: relative;
  overflow: hidden;
}
.cta-final::before, .cta-final::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
}
.cta-final::before {
  width: 400px; height: 400px;
  top: -200px; left: -100px;
}
.cta-final::after {
  width: 300px; height: 300px;
  bottom: -150px; right: -50px;
}
.cta-final h2, .cta-final p {
  position: relative; z-index: 1;
  color: var(--white);
}
.cta-final p { opacity: 0.9; max-width: 540px; margin: 0 auto 28px; font-size: 1.1rem; }
.cta-final .btn {
  background: var(--white); color: var(--blue-deep);
  position: relative; z-index: 1;
}
.cta-final .btn:hover { background: var(--blue-pale); }

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 60px 0 24px;
  font-size: 0.92rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .logo-link { color: var(--white); margin-bottom: 14px; }
.footer-brand .logo-text { color: var(--white); }
.footer-brand p { color: rgba(255,255,255,0.65); max-width: 280px; font-size: 0.92rem; }
.footer-col h4 {
  color: var(--white);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: rgba(255,255,255,0.7); }
.footer-col a:hover { color: var(--white); text-decoration: none; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}

/* ============================================
   PAGES INTERNES (contact + légales)
   ============================================ */
.page-hero {
  padding: 70px 0 40px;
  text-align: center;
}
.page-hero h1 { margin-bottom: 12px; }
.page-hero p { font-size: 1.1rem; max-width: 600px; margin: 0 auto; }

/* Contact */
.contact-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  padding-bottom: 80px;
}
.contact-form {
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}
.form-row { margin-bottom: 18px; }
.form-row.split { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label {
  display: block;
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--ink);
}
.required { color: #C92A2A; }
input[type=text], input[type=email], input[type=tel], select, textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--gray-300);
  border-radius: 10px;
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--white);
  color: var(--ink);
  transition: border-color 0.15s, box-shadow 0.15s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--blue-deep);
  box-shadow: 0 0 0 3px var(--blue-pale);
}
textarea { resize: vertical; min-height: 130px; }
.consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--ink-soft);
  margin: 8px 0 22px;
}
.consent input { margin-top: 3px; }

.contact-aside {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.info-card {
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  padding: 24px;
}
.info-card h3 {
  font-size: 1rem;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.info-card .icon-wrap {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--blue-pale);
  color: var(--blue-deep);
  display: flex; align-items: center; justify-content: center;
}
.info-card p, .info-card a { font-size: 0.95rem; color: var(--ink-soft); margin: 0; }
.info-card strong { color: var(--ink); }
.form-success {
  background: #E8F6EF;
  border: 1px solid #5DBB8E;
  color: #1B7843;
  padding: 16px;
  border-radius: 10px;
  margin-top: 16px;
  display: none;
}
.form-success.show { display: block; }

/* Pages légales */
.legal-layout {
  max-width: 820px;
  margin: 0 auto;
  padding: 30px 0 80px;
}
.legal-layout h2 {
  margin-top: 40px;
  margin-bottom: 14px;
  font-size: 1.4rem;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--blue-pale);
}
.legal-layout h3 {
  margin-top: 24px;
  font-size: 1.1rem;
  color: var(--blue-deep);
}
.legal-layout p, .legal-layout li {
  color: var(--ink-soft);
  font-size: 0.97rem;
}
.legal-layout ul { padding-left: 22px; }
.legal-meta {
  background: var(--blue-pale);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  font-size: 0.9rem;
  color: var(--blue-deep);
  margin-bottom: 30px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 980px) {
  .hero-grid,
  .contact-layout,
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .features-grid,
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
  }
  .price-card.featured { transform: none; }
  .footer-grid { gap: 32px; }
}

@media (max-width: 1024px) {
  .nav-main {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--card-bg);
    flex-direction: column;
    padding: 18px 24px 24px;
    gap: 14px;
    border-bottom: 1px solid var(--gray-300);
    align-items: stretch;
  }
  .nav-main.is-open { display: flex; }
  .nav-main a { padding: 6px 0; }
  .nav-main .btn { width: 100%; justify-content: center; }
  .theme-toggle { align-self: flex-start; }
  .nav-toggle { display: flex; }
}

@media (max-width: 720px) {
  .hero { padding: 50px 0 40px; }
  .features-grid,
  .steps,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .form-row.split { grid-template-columns: 1fr; }
  .contact-form { padding: 24px; }
  .footer-bottom { justify-content: flex-start; flex-direction: column; }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; }
  .price-card { padding: 28px 22px; }
  .cta-final { padding: 60px 20px; }
}


/* ============================================
   STEPS — 4 colonnes (spécificité renforcée pour éviter override par cache)
   ============================================ */
.section .steps.steps-4 {
  grid-template-columns: repeat(4, 1fr) !important;
}
@media (max-width: 980px) {
  .section .steps.steps-4 { grid-template-columns: repeat(2, 1fr) !important; }
}
@media (max-width: 720px) {
  .section .steps.steps-4 { grid-template-columns: 1fr !important; }
}

/* ============================================
   CAS D'USAGE PAR SECTEUR
   ============================================ */
.usecase-section {
  background: var(--white);
}
.usecase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.usecase-card {
  background: var(--card-bg);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.usecase-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--blue-light);
}
.usecase-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--blue-deep), var(--blue-light));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  box-shadow: 0 8px 18px rgba(30,90,156,0.20);
}
.usecase-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}
.usecase-card > p {
  font-size: 0.92rem;
  margin-bottom: 14px;
}
.usecase-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.usecase-list li {
  position: relative;
  padding-left: 22px;
  font-size: 0.92rem;
  color: var(--ink);
  font-style: italic;
  line-height: 1.45;
}
.usecase-list li::before {
  content: '"';
  position: absolute;
  left: 0; top: -4px;
  font-family: 'Space Grotesk', serif;
  font-size: 1.6rem;
  color: var(--blue-deep);
  font-style: normal;
  line-height: 1;
}
@media (max-width: 980px) {
  .usecase-grid { grid-template-columns: 1fr; max-width: 540px; margin: 0 auto; }
}


/* ============================================
   FEATURES — sous-groupes
   ============================================ */
.features-subgroup-title {
  text-align: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--blue-deep);
  margin: 0 0 28px;
  position: relative;
  letter-spacing: -0.01em;
}
.features-subgroup-title::after {
  content: '';
  display: block;
  width: 52px;
  height: 3px;
  background: var(--blue-deep);
  margin: 12px auto 0;
  border-radius: 2px;
}
.features-grid-mt {
  margin-top: 48px;
}
.features-grid.features-grid-centered {
  grid-template-columns: repeat(2, minmax(0, 340px));
  justify-content: center;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
@media (max-width: 720px) {
  .features-grid.features-grid-centered {
    grid-template-columns: 1fr;
    max-width: 380px;
  }
}


/* ============================================
   FEATURE CARD — version élargie (1 bloc fusionné)
   ============================================ */
.feature-card-wide {
  background: var(--card-bg);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  padding: 36px 40px;
  margin-bottom: 40px;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.feature-card-wide:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--blue-light);
}
.feature-card-wide h3 {
  font-size: 1.3rem;
  margin-bottom: 6px;
}
.feature-card-wide > p {
  font-size: 0.98rem;
  margin-bottom: 24px;
}
.feature-icon-lg {
  width: 56px;
  height: 56px;
  border-radius: 14px;
}
.feature-subitems {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  padding-top: 22px;
  border-top: 1px solid var(--gray-300);
}
.feature-subitem {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.feature-subitem-icon {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border-radius: 10px;
  background: var(--blue-pale);
  color: var(--blue-deep);
  display: flex;
  align-items: center;
  justify-content: center;
}
.feature-subitem strong {
  display: block;
  font-size: 0.95rem;
  color: var(--ink);
  margin-bottom: 3px;
  font-weight: 600;
}
.feature-subitem span {
  display: block;
  font-size: 0.88rem;
  color: var(--ink-soft);
  line-height: 1.45;
}
@media (max-width: 820px) {
  .feature-card-wide { padding: 28px 24px; }
  .feature-subitems { grid-template-columns: 1fr; gap: 18px; }
}


/* Liste à puces dans les cartes de fonctionnalités */
.feature-list {
  list-style: none;
  padding: 0;
  margin: 4px 0 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.feature-list li {
  position: relative;
  padding-left: 16px;
  font-size: 0.93rem;
  color: var(--ink);
  line-height: 1.5;
}
.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue-deep);
}


/* ============================================
   CHAT MOCKUP v2 — style "interface réelle"
   ============================================ */
.chat-mock-v2 {
  background: var(--card-bg);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-300);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 480px;
  padding: 0;
}
.chat-mock-v2::before {
  content: '';
  position: absolute;
  inset: -30px;
  background: radial-gradient(circle at 30% 20%, rgba(74,141,201,0.18), transparent 60%),
              radial-gradient(circle at 80% 80%, rgba(30,90,156,0.15), transparent 60%);
  z-index: -1;
  border-radius: 40px;
}
.chat-mock-header {
  background: #1857A8;
  color: #fff;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.chat-mock-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  background: #E8EAEF;
  box-shadow: 0 0 0 2px rgba(255,255,255,0.15);
}
.chat-mock-avatar svg { display: block; width: 100%; height: 100%; }
.chat-mock-title {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.005em;
}
.chat-mock-body {
  background: #EFF1F4;
  flex: 1;
  padding: 22px 18px;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
html[data-theme="dark"] .chat-mock-body { background: #232B38; }
.chat-mock-bubble {
  background: #FFFFFF;
  color: #1A2332;
  padding: 12px 16px;
  border-radius: 14px;
  font-size: 0.95rem;
  line-height: 1.45;
  align-self: flex-start;
  max-width: 80%;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
  animation: chatBubbleIn 0.5s ease both;
}
.chat-mock-bubble.user {
  background: #28B6E6;
  color: #FFFFFF;
  align-self: flex-end;
  box-shadow: 0 2px 6px rgba(40, 182, 230, 0.25);
}
.chat-mock-bubble:nth-child(2) { animation-delay: 0.4s; }
.chat-mock-bubble:nth-child(3) { animation-delay: 0.8s; }
.chat-mock-bubble:nth-child(4) { animation-delay: 1.4s; }
.chat-mock-bubble:nth-child(5) { animation-delay: 1.8s; }
html[data-theme="dark"] .chat-mock-bubble { background: #1A2230; color: #E8ECF3; }
html[data-theme="dark"] .chat-mock-bubble.user { background: #28B6E6; color: #FFFFFF; }
@keyframes chatBubbleIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}
.chat-mock-input {
  background: var(--card-bg);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--gray-300);
}
.chat-mock-field {
  flex: 1;
  background: var(--card-bg);
  border: 1.5px solid var(--gray-300);
  border-radius: 999px;
  padding: 11px 18px;
  color: var(--gray-500);
  font-size: 0.95rem;
}
.chat-mock-send {
  background: #28B6E6;
  color: #fff;
  border: 0;
  border-radius: 999px;
  padding: 11px 22px;
  font-family: inherit;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: default;
  box-shadow: 0 4px 12px rgba(40, 182, 230, 0.30);
}
@media (max-width: 480px) {
  .chat-mock-v2 { min-height: 420px; }
  .chat-mock-body { padding: 18px 14px; min-height: 240px; }
  .chat-mock-input { padding: 12px 14px; }
  .chat-mock-send { padding: 10px 16px; font-size: 0.88rem; }
}