/* AI Marketing Compare — Vanilla CSS */
/* Minimaliste, rapide, pas de framework */
/* Phase 2a — Architecture technique */

/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --color-primary:    #1a56db;
    --color-primary-dk: #1342a8;
    --color-accent:     #0ea5e9;
    --color-text:       #111827;
    --color-text-muted: #6b7280;
    --color-bg:         #ffffff;
    --color-bg-alt:     #f9fafb;
    --color-border:     #e5e7eb;
    --color-success:    #16a34a;
    --color-warning:    #ca8a04;
    --color-danger:     #dc2626;
    --radius:           8px;
    --shadow:           0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md:        0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -2px rgba(0,0,0,.1);
    --max-width:        1200px;
    --font:             system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: var(--font);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ── Skip Link (accessibility) ────────────────────────────── */
.skip-link {
    position: absolute; top: -40px; left: 0;
    background: var(--color-primary); color: #fff;
    padding: .5rem 1rem; z-index: 9999;
    transition: top .2s;
}
.skip-link:focus { top: 0; }

/* ── Container ────────────────────────────────────────────── */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.25rem; }

/* ── Typography ───────────────────────────────────────────── */
h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 700; line-height: 1.2; margin-bottom: 1rem; }
h2 { font-size: clamp(1.25rem, 3vw, 1.875rem); font-weight: 600; line-height: 1.3; margin: 2rem 0 1rem; }
h3 { font-size: 1.125rem; font-weight: 600; margin: 1.5rem 0 .5rem; }
p  { margin-bottom: 1rem; }
a  { color: var(--color-primary); text-decoration: underline; }
a:hover { color: var(--color-primary-dk); }

/* ── Header ───────────────────────────────────────────────── */
.site-header {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky; top: 0; z-index: 100;
    padding: .75rem 0;
}
.site-header .container { display: flex; align-items: center; gap: 2rem; }
.logo img { display: block; }
.logo { text-decoration: none; }

.main-nav ul { list-style: none; display: flex; gap: 1.5rem; }
.main-nav a { text-decoration: none; color: var(--color-text); font-weight: 500; font-size: .9375rem; }
.main-nav a:hover { color: var(--color-primary); }

/* Dropdown */
.has-dropdown { position: relative; }
.dropdown { display: none; position: absolute; top: 100%; left: 0; background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius); box-shadow: var(--shadow-md); min-width: 200px; padding: .5rem 0; flex-direction: column; gap: 0; }
.has-dropdown:hover .dropdown { display: flex; }
.dropdown li { padding: 0; }
.dropdown a { padding: .5rem 1rem; display: block; }

/* Mobile nav toggle */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--color-text); margin: 5px 0; transition: .3s; }

/* ── Hero ─────────────────────────────────────────────────── */
.hero { background: linear-gradient(135deg, #1e40af 0%, #1a56db 60%, #0ea5e9 100%); color: #fff; padding: 4rem 0 3rem; text-align: center; }
.hero h1 { color: #fff; margin-bottom: 1rem; }
.hero-subtitle { font-size: 1.125rem; opacity: .9; max-width: 600px; margin: 0 auto 2rem; }
.cta-hero { font-size: 1.0625rem; padding: .875rem 2rem; }

/* ── CTA Buttons ──────────────────────────────────────────── */
.cta-btn {
    display: inline-block; text-decoration: none;
    border-radius: var(--radius); font-weight: 600;
    padding: .625rem 1.25rem; font-size: .9375rem;
    transition: background .2s, transform .1s;
    cursor: pointer; border: none;
}
.cta-primary { background: var(--color-primary); color: #fff; }
.cta-primary:hover { background: var(--color-primary-dk); color: #fff; }
.cta-secondary { background: var(--color-bg-alt); color: var(--color-primary); border: 1px solid var(--color-border); }
.cta-secondary:hover { background: var(--color-border); }
.cta-btn:active { transform: scale(.98); }

/* ── Category Grid ────────────────────────────────────────── */
.categories-section { padding: 3rem 0; }
.category-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1rem; margin-top: 1.5rem; }
.category-card { display: flex; flex-direction: column; gap: .5rem; padding: 1.25rem; border: 1px solid var(--color-border); border-radius: var(--radius); text-decoration: none; color: var(--color-text); background: var(--color-bg); transition: box-shadow .2s, transform .1s; }
.category-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.category-icon { font-size: 1.75rem; }
.category-card h3 { font-size: 1rem; margin: 0; }
.tool-count { font-size: .8125rem; color: var(--color-text-muted); margin-top: auto; }

/* ── Tools Grid ───────────────────────────────────────────── */
.tools-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem; margin-top: 1.5rem; }
.tool-card { display: flex; flex-direction: column; gap: .5rem; padding: 1rem; border: 1px solid var(--color-border); border-radius: var(--radius); text-decoration: none; color: var(--color-text); background: var(--color-bg); transition: box-shadow .2s; align-items: flex-start; }
.tool-card:hover { box-shadow: var(--shadow-md); }
.tool-card img { border-radius: 4px; }
.tool-name { font-size: 1rem; font-weight: 600; margin: 0; }
.tool-tagline { font-size: .875rem; color: var(--color-text-muted); margin: 0; }
.tool-meta { display: flex; gap: .75rem; flex-wrap: wrap; font-size: .8125rem; margin-top: auto; }
.rating { color: var(--color-warning); font-weight: 600; }
.price { color: var(--color-text-muted); }
.free-badge { color: var(--color-success); font-weight: 600; }
.tool-category { background: var(--color-bg-alt); padding: .125rem .5rem; border-radius: 4px; font-size: .75rem; }
.card-arrow { margin-left: auto; color: var(--color-text-muted); }
.see-all { text-align: center; margin-top: 1.5rem; }

/* ── Tool Page ────────────────────────────────────────────── */
.tool-header { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 1.5rem; padding: 2rem 0 1.5rem; border-bottom: 1px solid var(--color-border); }
.tool-logo { border-radius: var(--radius); flex-shrink: 0; }
.tool-header-text { flex: 1; min-width: 200px; }
.tool-tagline { font-size: 1.0625rem; color: var(--color-text-muted); }
.rating-block { display: flex; align-items: baseline; gap: .25rem; margin-top: .5rem; }
.rating-score { font-size: 1.5rem; font-weight: 700; color: var(--color-warning); }
.rating-max, .rating-count { color: var(--color-text-muted); }
.tool-cta-block { flex-shrink: 0; text-align: center; }
.starting-price { font-size: .875rem; color: var(--color-text-muted); margin-top: .5rem; }

.layout-sidebar { display: grid; grid-template-columns: 1fr 300px; gap: 2rem; margin-top: 2rem; }
.tool-sidebar { display: flex; flex-direction: column; gap: 1rem; }
.sidebar-card { background: var(--color-bg-alt); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.25rem; }
.sidebar-card h3 { margin-top: 0; font-size: 1rem; }
.info-table { width: 100%; border-collapse: collapse; font-size: .875rem; }
.info-table th, .info-table td { padding: .375rem 0; text-align: left; border-bottom: 1px solid var(--color-border); }
.info-table th { color: var(--color-text-muted); width: 50%; }
.alt-list { list-style: none; }
.alt-list li { padding: .375rem 0; border-bottom: 1px solid var(--color-border); }
.see-all-link { display: block; font-size: .875rem; margin-top: .75rem; }

/* Pros / Cons */
.pros-cons-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.pros, .cons { padding: 1rem; border-radius: var(--radius); }
.pros { background: #f0fdf4; }
.cons { background: #fef2f2; }
.pros h3 { color: var(--color-success); }
.cons h3 { color: var(--color-danger); }
.pros ul, .cons ul { padding-left: 1.25rem; }

/* Feature list */
.feature-list { padding-left: 1.25rem; display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: .375rem; }

/* Pricing table */
.pricing-table, .vs-table { width: 100%; border-collapse: collapse; margin: 1rem 0; }
.pricing-table th, .pricing-table td,
.vs-table th, .vs-table td { border: 1px solid var(--color-border); padding: .625rem .75rem; text-align: left; }
.pricing-table thead, .vs-table thead { background: var(--color-bg-alt); }
.vs-table .has-feature { color: var(--color-success); text-align: center; }
.vs-table .no-feature  { color: var(--color-text-muted); text-align: center; }

/* ── VS Page ──────────────────────────────────────────────── */
.vs-header { display: grid; grid-template-columns: 1fr auto 1fr; gap: 1rem; align-items: center; text-align: center; padding: 2rem 0; }
.vs-divider { font-size: 2rem; font-weight: 700; color: var(--color-text-muted); }
.vs-tool h2 { margin: .75rem 0 1rem; }
.tldr-box { background: #eff6ff; border: 1px solid #bfdbfe; border-radius: var(--radius); padding: 1rem 1.25rem; margin: 1.5rem 0; }
.use-case-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.use-case-card { background: var(--color-bg-alt); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.5rem; }
.use-case-card h3 { margin-top: 0; }
.use-case-card ul { padding-left: 1.25rem; margin-bottom: 1rem; }

/* ── Best For / Alternative list ──────────────────────────── */
.best-for-list, .alt-list-full { list-style: none; display: flex; flex-direction: column; gap: 1rem; margin-top: 1.5rem; }
.best-for-item, .alt-item { display: flex; align-items: center; gap: 1rem; padding: 1rem; border: 1px solid var(--color-border); border-radius: var(--radius); }
.item-rank, .rank { font-size: 1.25rem; font-weight: 700; color: var(--color-text-muted); min-width: 2rem; }
.item-content, .alt-info { flex: 1; }
.item-content h3, .alt-info h3 { margin: 0 0 .25rem; font-size: 1rem; }
.alt-actions { display: flex; flex-direction: column; gap: .5rem; align-items: flex-end; }
.compare-link { font-size: .875rem; }
.quick-pick-box { background: #fefce8; border: 1px solid #fde68a; border-radius: var(--radius); padding: 1rem 1.25rem; margin: 1.5rem 0; display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }

/* ── Guide Page ───────────────────────────────────────────── */
.guide-header { margin-bottom: 1.5rem; }
.guide-date, .guide-author { font-size: .875rem; color: var(--color-text-muted); }
.guide-intro { font-size: 1.0625rem; border-left: 4px solid var(--color-primary); padding-left: 1rem; margin-bottom: 2rem; }
.guide-body h2, .guide-body h3 { margin-top: 2rem; }
.guide-body ul, .guide-body ol { padding-left: 1.5rem; margin-bottom: 1rem; }
.guide-body table { width: 100%; border-collapse: collapse; margin: 1rem 0; }
.guide-body table th, .guide-body table td { border: 1px solid var(--color-border); padding: .5rem .75rem; }

/* ── Category Header ──────────────────────────────────────── */
.category-header { padding: 2rem 0 1.5rem; }
.category-icon-lg { font-size: 3rem; display: block; margin-bottom: .75rem; }
.category-description { font-size: 1.0625rem; color: var(--color-text-muted); max-width: 600px; }
.tool-count-label { font-size: .875rem; color: var(--color-text-muted); margin-top: .5rem; }
.category-filter { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1rem 0 1.5rem; }
.filter-btn { padding: .375rem .875rem; border-radius: 999px; text-decoration: none; color: var(--color-text); border: 1px solid var(--color-border); font-size: .875rem; background: var(--color-bg); transition: background .2s; }
.filter-btn:hover, .filter-btn.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* ── Category comparisons + Comparison links ──────────────── */
.comparison-links { list-style: none; columns: 2; gap: 1rem; }
.comparison-links li { padding: .25rem 0; break-inside: avoid; }
.comparison-links a { font-size: .9375rem; }
.related-comparisons, .more-comparisons, .category-comparisons { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--color-border); }

/* ── FAQ ──────────────────────────────────────────────────── */
.faq-list dt { font-weight: 600; margin-top: 1.25rem; }
.faq-list dd { margin-left: 0; color: var(--color-text-muted); margin-top: .25rem; }

/* ── Breadcrumb ───────────────────────────────────────────── */
.breadcrumb { margin: 1rem 0; font-size: .875rem; color: var(--color-text-muted); }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: .25rem; align-items: center; }
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-primary); }

/* ── Value Prop Section ───────────────────────────────────── */
.value-prop { background: var(--color-bg-alt); padding: 3rem 0; margin-top: 2rem; }
.props-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1.5rem; margin-top: 1.5rem; }
.prop { background: var(--color-bg); padding: 1.25rem; border-radius: var(--radius); border: 1px solid var(--color-border); }
.prop h3 { margin-top: 0; font-size: 1rem; }
.prop p { font-size: .9375rem; color: var(--color-text-muted); margin: 0; }

/* ── Affiliate Disclosure ─────────────────────────────────── */
.affiliate-disclosure { font-size: .8125rem; color: var(--color-text-muted); background: var(--color-bg-alt); padding: .625rem 1rem; border-radius: 4px; margin: .5rem 0 1.5rem; }

/* ── Legal Page ───────────────────────────────────────────── */
.legal-page { padding: 3rem 0; }
.legal-page h2 { font-size: 1.25rem; margin-top: 2rem; }
.legal-page ul { padding-left: 1.5rem; margin-bottom: 1rem; }

/* ── Error Page ───────────────────────────────────────────── */
.error-page h1 { font-size: 2rem; }
.error-page .cta-btn { margin: .5rem; }

/* ── Footer ───────────────────────────────────────────────── */
.site-footer { background: #111827; color: #d1d5db; padding: 3rem 0 1.5rem; margin-top: 4rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2rem; margin-bottom: 2rem; }
.footer-brand p { font-size: .875rem; margin-top: .75rem; color: #9ca3af; }
.footer-nav h3 { color: #f9fafb; font-size: .875rem; text-transform: uppercase; letter-spacing: .05em; margin-bottom: .75rem; }
.footer-nav ul { list-style: none; }
.footer-nav li { margin-bottom: .5rem; }
.footer-nav a { color: #9ca3af; text-decoration: none; font-size: .875rem; }
.footer-nav a:hover { color: #f9fafb; }
.footer-bottom { border-top: 1px solid #374151; padding-top: 1.5rem; font-size: .8125rem; color: #6b7280; }
.footer-bottom p { margin-bottom: .375rem; }
.footer-bottom a { color: #9ca3af; }
.footer-disclosure { font-size: .75rem; }

/* ── Cookie Banner ────────────────────────────────────────── */
#cookie-banner { position: fixed; bottom: 0; left: 0; right: 0; background: #1f2937; color: #f9fafb; padding: 1rem 1.5rem; display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; z-index: 9999; }
#cookie-banner p { margin: 0; font-size: .875rem; flex: 1; }
#cookie-banner a { color: #93c5fd; }
#cookie-accept { background: var(--color-primary); color: #fff; border: none; padding: .5rem 1rem; border-radius: 4px; cursor: pointer; font-weight: 600; }
#cookie-decline { background: transparent; color: #9ca3af; border: 1px solid #4b5563; padding: .5rem 1rem; border-radius: 4px; cursor: pointer; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 900px) {
    .layout-sidebar { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .comparison-links { columns: 1; }
}

@media (max-width: 640px) {
    .main-nav { display: none; }
    .nav-toggle { display: block; margin-left: auto; }
    .main-nav.open { display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--color-bg); border-bottom: 1px solid var(--color-border); padding: 1rem; gap: .75rem; }
    .main-nav.open ul { flex-direction: column; gap: .5rem; }
    .dropdown { position: static; box-shadow: none; border: none; }
    .has-dropdown:hover .dropdown { display: flex; }
    .vs-header { grid-template-columns: 1fr; }
    .vs-divider { order: 2; }
    .use-case-grid { grid-template-columns: 1fr; }
    .pros-cons-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .tool-header { flex-direction: column; }
}

/* ── Utilities ────────────────────────────────────────────── */
.link-subtle { color: var(--color-text-muted); text-decoration: none; font-size: .875rem; }
.link-subtle:hover { color: var(--color-primary); }
.intro { font-size: 1.0625rem; color: var(--color-text-muted); margin-bottom: 1.5rem; }
.original-tool-info { background: var(--color-bg-alt); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1rem 1.25rem; margin-bottom: 2rem; }
.original-tool-info h2 { margin-top: 0; font-size: 1.125rem; }
.subtitle { color: var(--color-text-muted); margin-bottom: 1.5rem; }