/* ==========================================================================
   IApreneur Marketplace — design system
   Nom provisoire : renommer via la variable --brand-name-js dans main.js
   ========================================================================== */

:root {
  /* Palette : indigo profond + corail chaleureux, fond ivoire */
  --color-ink: #1C1B2E;
  --color-ink-soft: #4A4864;
  --color-indigo: #3B2E86;
  --color-indigo-dark: #241B5C;
  --color-indigo-soft: #EDE9FB;
  --color-coral: #FF6B4A;
  --color-coral-dark: #E5502F;
  --color-coral-soft: #FFE7DF;
  --color-cream: #FAF8F4;
  --color-white: #FFFFFF;
  --color-border: #E6E2D8;
  --color-success: #1E7A4C;
  --color-star: #F5A623;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --shadow-card: 0 2px 8px rgba(28, 27, 46, 0.06);
  --shadow-card-hover: 0 12px 24px rgba(28, 27, 46, 0.12);

  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: Georgia, "Times New Roman", serif;

  --max-width: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-cream);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

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

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.15; margin: 0 0 .5em; color: var(--color-ink); }
h1 { font-size: clamp(2.1rem, 4vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; color: var(--color-ink-soft); }

.eyebrow {
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-coral-dark);
  background: var(--color-coral-soft);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: .95rem;
  font-weight: 600;
  padding: 13px 22px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--color-coral); color: var(--color-white); }
.btn-primary:hover { background: var(--color-coral-dark); }
.btn-secondary { background: var(--color-indigo); color: var(--color-white); }
.btn-secondary:hover { background: var(--color-indigo-dark); }
.btn-outline { background: transparent; border-color: var(--color-ink); color: var(--color-ink); }
.btn-outline:hover { background: var(--color-ink); color: var(--color-white); }
.btn-ghost { background: transparent; color: var(--color-indigo); padding: 8px 4px; }
.btn-ghost:hover { text-decoration: underline; }
.btn-block { width: 100%; }
.btn-sm { padding: 9px 16px; font-size: .85rem; }

/* --- Header / nav --- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 248, 244, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { font-family: var(--font-display); font-weight: 700; font-size: 1.35rem; color: var(--color-ink); display: flex; align-items: center; gap: 8px; }
.logo span { color: var(--color-coral); }
.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a { font-size: .93rem; font-weight: 500; color: var(--color-ink-soft); }
.main-nav a:hover, .main-nav a.active { color: var(--color-ink); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; }

@media (max-width: 860px) {
  .main-nav { position: fixed; inset: 72px 0 0 0; background: var(--color-cream); flex-direction: column; padding: 28px 24px; gap: 20px; align-items: flex-start; transform: translateX(100%); transition: transform .2s ease; }
  .main-nav.open { transform: translateX(0); }
  .nav-toggle { display: block; }
  .nav-actions .btn-outline { display: none; }
}

/* --- Hero --- */
.hero { padding: 72px 0 64px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.hero-art {
  background: linear-gradient(155deg, var(--color-indigo) 0%, var(--color-indigo-dark) 100%);
  border-radius: var(--radius-lg);
  min-height: 320px;
  padding: 28px;
  color: white;
  display: flex; flex-direction: column; justify-content: space-between;
  box-shadow: var(--shadow-card-hover);
}
.hero-art-stat { font-family: var(--font-display); font-size: 2.4rem; font-weight: 700; }
.hero-art-label { font-size: .85rem; opacity: .8; }
.hero-art-row { display: flex; justify-content: space-between; gap: 16px; }
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; } }

/* --- Sections --- */
section { padding: 56px 0; }
.section-head { max-width: 640px; margin-bottom: 36px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* --- How it works tabs --- */
.audience-tabs { display: flex; gap: 8px; margin-bottom: 32px; background: var(--color-white); border: 1px solid var(--color-border); border-radius: 999px; padding: 4px; width: fit-content; }
.audience-tab { border: none; background: transparent; padding: 10px 20px; border-radius: 999px; font-weight: 600; font-size: .88rem; cursor: pointer; color: var(--color-ink-soft); }
.audience-tab.active { background: var(--color-ink); color: var(--color-white); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step-card { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 26px; }
.step-num { font-family: var(--font-display); font-size: 1.6rem; color: var(--color-coral); margin-bottom: 8px; }
@media (max-width: 780px) { .steps { grid-template-columns: 1fr; } }

/* --- Category grid --- */
.category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.category-card { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 24px; transition: box-shadow .15s ease, transform .15s ease; }
.category-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-2px); }
.category-icon { width: 44px; height: 44px; border-radius: 12px; background: var(--color-indigo-soft); display: flex; align-items: center; justify-content: center; font-size: 1.3rem; margin-bottom: 14px; }
@media (max-width: 780px) { .category-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .category-grid { grid-template-columns: 1fr; } }

/* --- Stats --- */
.stats-band { background: var(--color-indigo); color: white; border-radius: var(--radius-lg); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 40px 32px; text-align: center; }
.stat-num { font-family: var(--font-display); font-size: 2.2rem; font-weight: 700; }
.stat-label { font-size: .85rem; opacity: .8; }
@media (max-width: 780px) { .stats-grid { grid-template-columns: 1fr 1fr; } }

/* --- Testimonials --- */
.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.testimonial-card { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 24px; }
.testimonial-quote { font-style: italic; }
.testimonial-person { display: flex; align-items: center; gap: 10px; margin-top: 16px; }
.avatar-circle { width: 40px; height: 40px; border-radius: 50%; background: var(--color-coral-soft); color: var(--color-coral-dark); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: .85rem; flex-shrink: 0; }
@media (max-width: 780px) { .testimonial-grid { grid-template-columns: 1fr; } }

/* --- Footer --- */
.site-footer { background: var(--color-ink); color: #C9C7D6; padding: 56px 0 28px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 40px; }
.footer-grid h4 { color: white; font-family: var(--font-body); font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 14px; }
.footer-grid a { display: block; padding: 5px 0; font-size: .9rem; color: #C9C7D6; }
.footer-grid a:hover { color: white; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding-top: 22px; font-size: .82rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
@media (max-width: 780px) { .footer-grid { grid-template-columns: 1fr 1fr; } }

/* --- Page header (non-home pages) --- */
.page-header { padding: 44px 0 32px; border-bottom: 1px solid var(--color-border); background: var(--color-white); }
.breadcrumb { font-size: .82rem; color: var(--color-ink-soft); margin-bottom: 10px; }

/* --- Search / filters --- */
.search-bar { display: flex; gap: 10px; background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 8px; box-shadow: var(--shadow-card); }
.search-bar input[type="text"] { flex: 1; border: none; outline: none; font-size: 1rem; padding: 10px 14px; background: transparent; font-family: var(--font-body); }
.directory-layout { display: grid; grid-template-columns: 260px 1fr; gap: 32px; align-items: start; margin-top: 32px; }
.filters-panel { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 22px; position: sticky; top: 96px; }
.filter-group { margin-bottom: 22px; }
.filter-group:last-child { margin-bottom: 0; }
.filter-group legend { font-weight: 700; font-size: .85rem; margin-bottom: 10px; padding: 0; }
.filter-option { display: flex; align-items: center; gap: 8px; font-size: .88rem; color: var(--color-ink-soft); padding: 4px 0; cursor: pointer; }
.filter-option input { accent-color: var(--color-indigo); }
.results-toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; flex-wrap: wrap; gap: 10px; }
.results-count { font-size: .9rem; color: var(--color-ink-soft); }
.select-inline { border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 8px 12px; font-size: .85rem; background: var(--color-white); }
@media (max-width: 900px) { .directory-layout { grid-template-columns: 1fr; } .filters-panel { position: static; } }

/* --- Expert cards / grid --- */
.experts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 980px) { .experts-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .experts-grid { grid-template-columns: 1fr; } }

.expert-card { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 22px; transition: box-shadow .15s ease, transform .15s ease; display: flex; flex-direction: column; gap: 12px; }
.expert-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-2px); }
.expert-card-top { display: flex; gap: 12px; align-items: center; }
.expert-avatar { width: 52px; height: 52px; border-radius: 50%; background: var(--color-indigo-soft); color: var(--color-indigo); display: flex; align-items: center; justify-content: center; font-weight: 700; flex-shrink: 0; }
.expert-name { font-weight: 700; font-size: 1rem; margin: 0; }
.expert-title { font-size: .84rem; color: var(--color-ink-soft); }
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: .72rem; font-weight: 700; padding: 4px 9px; border-radius: 999px;
}
.badge-certified { background: var(--color-indigo-soft); color: var(--color-indigo); }
.badge-available { background: #E4F5EA; color: var(--color-success); }
.badge-busy { background: #F3EFE4; color: #8A6D1D; }
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { font-size: .76rem; background: var(--color-cream); border: 1px solid var(--color-border); padding: 4px 10px; border-radius: 999px; color: var(--color-ink-soft); }
.rating { display: flex; align-items: center; gap: 4px; font-size: .85rem; font-weight: 600; }
.rating .star { color: var(--color-star); }
.expert-card-footer { display: flex; justify-content: space-between; align-items: center; margin-top: auto; padding-top: 8px; }

/* --- Expert profile page --- */
.profile-hero { display: grid; grid-template-columns: 120px 1fr auto; gap: 24px; align-items: center; }
.profile-avatar-lg { width: 100px; height: 100px; border-radius: 50%; background: var(--color-indigo-soft); color: var(--color-indigo); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 1.8rem; }
.profile-body { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; margin-top: 40px; align-items: start; }
.profile-block { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 26px; margin-bottom: 20px; }
.case-study { border-top: 1px solid var(--color-border); padding: 16px 0; }
.case-study:first-child { border-top: none; padding-top: 0; }
.review { border-top: 1px solid var(--color-border); padding: 16px 0; }
.review:first-child { border-top: none; padding-top: 0; }
.sidebar-sticky { position: sticky; top: 96px; }
@media (max-width: 900px) { .profile-body { grid-template-columns: 1fr; } .profile-hero { grid-template-columns: 72px 1fr; } .profile-hero .btn { grid-column: 1 / -1; } }

/* --- Forms --- */
.form-card { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 36px; max-width: 640px; margin: 0 auto; box-shadow: var(--shadow-card); }
.form-row { margin-bottom: 20px; }
.form-row label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 6px; }
.form-row .hint { font-size: .8rem; color: var(--color-ink-soft); margin-top: 4px; }
.form-row input, .form-row select, .form-row textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: .95rem; background: var(--color-cream);
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { outline: 2px solid var(--color-indigo); outline-offset: 1px; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .form-grid-2 { grid-template-columns: 1fr; } }
.reassure-box { background: var(--color-indigo-soft); border-radius: var(--radius-md); padding: 18px 20px; font-size: .88rem; color: var(--color-indigo-dark); margin-bottom: 24px; }
.form-success { display: none; background: #E4F5EA; border: 1px solid #B9E3C9; color: var(--color-success); padding: 18px 20px; border-radius: var(--radius-md); font-weight: 600; margin-bottom: 20px; }
.form-success.show { display: block; }

/* --- Benefits list --- */
.benefits-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin: 32px 0; }
.benefit-item { display: flex; gap: 12px; align-items: flex-start; background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 18px; }
.benefit-icon { font-size: 1.3rem; }
@media (max-width: 700px) { .benefits-grid { grid-template-columns: 1fr; } }

/* --- Dashboard --- */
.dash-tabs { display: flex; gap: 8px; margin-bottom: 28px; }
.dash-tab { border: 1px solid var(--color-border); background: var(--color-white); padding: 10px 18px; border-radius: var(--radius-sm); font-weight: 600; font-size: .88rem; cursor: pointer; }
.dash-tab.active { background: var(--color-ink); color: white; border-color: var(--color-ink); }
.dash-panel { display: none; }
.dash-panel.active { display: block; }
.dash-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 24px; align-items: start; }
.dash-card { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 22px; margin-bottom: 18px; }
.dash-list-item { display: flex; justify-content: space-between; align-items: center; padding: 14px 0; border-top: 1px solid var(--color-border); gap: 12px; }
.dash-list-item:first-child { border-top: none; }
.status-pill { font-size: .74rem; font-weight: 700; padding: 4px 10px; border-radius: 999px; }
.status-active { background: #E4F5EA; color: var(--color-success); }
.status-pending { background: #F3EFE4; color: #8A6D1D; }
.status-done { background: var(--color-indigo-soft); color: var(--color-indigo); }
@media (max-width: 900px) { .dash-grid { grid-template-columns: 1fr; } }

/* --- Utility --- */
.mt-0 { margin-top: 0; }
.empty-state { text-align: center; padding: 60px 20px; color: var(--color-ink-soft); }