/* ==========================================================================
   PRIMUS CONSEIL — Charte commune
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* PALETTE */
  --navy: #0B1F3A;
  --navy-dark: #08172B;
  --navy-light: #1A3354;
  --ivory: #FAF8F2;
  --ivory-soft: #F2EEE3;
  --red: #C8102E;
  --red-dark: #9B0C22;
  --red-soft: #FBE8EC;
  --gold: #B8945A;
  --gold-light: #E8D4B0;
  --gold-soft: #F5EBD8;
  --white: #FFFFFF;
  --grey-text: #5A6B7D;
  --grey-light: #8898AA;
  --grey-border: #DDE3EA;
  --grey-bg: #EEF1F5;

  /* TYPO */
  --font-display: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* SPACING SYSTEM (8pt grid) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  /* BORDERS */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-display);
  background: var(--ivory);
  color: var(--navy);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   HEADER (toutes pages)
   ========================================================================== */

.site-header {
  background: var(--navy);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.site-header-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.brand-mark {
  width: 38px;
  height: 38px;
  background: var(--red);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-weight: 800;
  color: var(--white);
  font-size: 15px;
  letter-spacing: 0.5px;
}

.brand-name {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-name-main {
  font-weight: 700;
  font-size: 15px;
  color: var(--white);
  letter-spacing: 1.5px;
  line-height: 1;
}

.brand-name-sub {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 1px;
  line-height: 1;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-left: auto;
  margin-right: var(--space-5);
}

.main-nav a {
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.15s ease;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--white);
}

.main-nav a.active {
  color: var(--red);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 10px 18px;
  background: var(--red);
  color: var(--white);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: background 0.15s ease;
}

.header-cta:hover {
  background: var(--red-dark);
}

/* ==========================================================================
   CONTAINERS & SECTIONS
   ========================================================================== */

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-narrow {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-tight {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-9) 0;
}

.section-tight {
  padding: var(--space-8) 0;
}

.section-navy {
  background: var(--navy);
  color: var(--white);
}

.section-ivory {
  background: var(--ivory);
}

.section-ivory-soft {
  background: var(--ivory-soft);
}

.section-white {
  background: var(--white);
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: var(--space-4);
}

.eyebrow-gold {
  color: var(--gold);
}

.eyebrow-light {
  color: rgba(255, 255, 255, 0.6);
}

.h-display {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -1.5px;
}

.h-1 {
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.5px;
}

.h-2 {
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.3px;
}

.h-3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
}

.text-accent-red {
  color: var(--red);
}

.text-accent-gold {
  color: var(--gold);
}

.text-muted {
  color: var(--grey-text);
}

.text-large {
  font-size: 17px;
  line-height: 1.65;
  color: var(--grey-text);
}

.text-base {
  font-size: 15px;
  line-height: 1.65;
  color: var(--grey-text);
}

.text-small {
  font-size: 13px;
  line-height: 1.55;
  color: var(--grey-text);
}

.mono {
  font-family: var(--font-mono);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 26px;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
  line-height: 1;
}

.btn-lg {
  padding: 18px 32px;
  font-size: 15px;
}

.btn-primary {
  background: var(--red);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--red-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--white);
  color: var(--navy);
  border: 1.5px solid var(--grey-border);
}

.btn-secondary:hover {
  border-color: var(--navy);
}

.btn-outline-light {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, 0.25);
}

.btn-outline-light:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.05);
}

.btn-navy {
  background: var(--navy);
  color: var(--white);
}

.btn-navy:hover {
  background: var(--navy-dark);
}

.btn-block {
  width: 100%;
}

.btn-arrow::after {
  content: '→';
  font-size: 16px;
  transition: transform 0.15s ease;
}

.btn-arrow:hover::after {
  transform: translateX(3px);
}

/* ==========================================================================
   CARDS
   ========================================================================== */

.card {
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--grey-border);
  padding: var(--space-6);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card-navy {
  background: var(--navy);
  color: var(--white);
  border: none;
}

.card-navy .text-base,
.card-navy .text-small,
.card-navy .text-muted {
  color: rgba(255, 255, 255, 0.65);
}

.card-feature {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  border: 1px solid var(--grey-border);
}

.icon-square {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gold-soft);
  color: var(--gold);
  font-size: 22px;
  margin-bottom: var(--space-4);
}

.icon-square-red {
  background: var(--red-soft);
  color: var(--red);
}

.icon-square-navy {
  background: var(--navy);
  color: var(--white);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.badge-available {
  background: var(--gold-soft);
  color: var(--gold);
}

.badge-soon {
  background: var(--grey-bg);
  color: var(--grey-text);
}

/* ==========================================================================
   FORMS
   ========================================================================== */

.field {
  margin-bottom: var(--space-5);
}

.field-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: var(--space-2);
}

.field-label .slider-val {
  color: var(--red);
  font-weight: 700;
  margin-left: var(--space-2);
  font-family: var(--font-mono);
}

.field-hint {
  font-size: 11px;
  color: var(--grey-light);
  margin-top: 6px;
}

.input, input[type="number"], input[type="text"], input[type="email"], input[type="tel"] {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--grey-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--navy);
  background: var(--white);
  outline: none;
  transition: border-color 0.15s ease;
}

.input:focus, input:focus {
  border-color: var(--navy);
}

input[type="range"] {
  width: 100%;
  height: 4px;
  accent-color: var(--red);
  cursor: pointer;
  margin-top: 6px;
}

/* PILLS (choix multiples) */
.pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.pill {
  padding: 10px 18px;
  border: 1.5px solid var(--grey-border);
  background: var(--white);
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: var(--font-display);
  color: var(--navy);
}

.pill:hover {
  border-color: var(--navy);
}

.pill.sel {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

/* OUI/NON */
.yn-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--grey-border);
}

.yn-row:last-child {
  border-bottom: none;
}

.yn-row span {
  font-size: 14px;
  flex: 1;
  color: var(--navy);
}

.yn-btns {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.yn-btn {
  padding: 8px 18px;
  border: 1.5px solid var(--grey-border);
  background: var(--white);
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: var(--font-display);
  color: var(--navy);
}

.yn-btn.sel-yes {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

.yn-btn.sel-no {
  background: var(--red);
  border-color: var(--red);
  color: var(--white);
}

/* ==========================================================================
   FOOTER (toutes pages)
   ========================================================================== */

.site-footer {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-8) 0 var(--space-6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-7);
  margin-bottom: var(--space-6);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-tagline {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.6;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--white);
  margin-bottom: var(--space-4);
}

.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 13px;
  padding: 4px 0;
  transition: color 0.15s ease;
}

.footer-col a:hover {
  color: var(--white);
}

.footer-bottom {
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.footer-bottom p {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-4);
}

.footer-bottom-links a {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.4);
  text-decoration: none;
}

.footer-bottom-links a:hover {
  color: var(--white);
}

/* ==========================================================================
   BANDEAU LIVRE (page d'accueil)
   ========================================================================== */

.book-banner {
  background: var(--navy-dark);
  padding: var(--space-7) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.book-banner-inner {
  display: flex;
  align-items: center;
  gap: var(--space-7);
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.book-cover {
  width: 110px;
  flex-shrink: 0;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.book-cover img {
  width: 100%;
  display: block;
}

.book-info {
  flex: 1;
}

.book-info .eyebrow {
  color: var(--gold);
  margin-bottom: var(--space-2);
}

.book-info h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-2);
  letter-spacing: -0.3px;
}

.book-info .book-author {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: var(--space-4);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 900px) {
  .main-nav {
    display: none;
  }
  .site-header-inner {
    padding: 0 var(--space-4);
  }
  .container, .container-narrow, .container-tight {
    padding: 0 var(--space-4);
  }
  .section {
    padding: var(--space-7) 0;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
  }
  .book-banner-inner {
    flex-direction: column;
    text-align: center;
    gap: var(--space-4);
    padding: 0 var(--space-4);
  }
  .book-cover {
    width: 90px;
  }
}

@media (max-width: 500px) {
  .brand-name-sub {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
  .h-display {
    font-size: 32px;
    letter-spacing: -0.5px;
  }
}