/* ============================================================
   DeepAgent.fr — styles.css
   Stack: CSS vanilla, variables, mobile-first
   Design: dark tech/SaaS, inspiré Linear/Vercel
   ============================================================ */

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

:root {
  --color-bg:           #060C1A;
  --color-bg2:          #0B1629;
  --color-surface:      #111827;
  --color-surface2:     #1A2540;
  --color-border:       rgba(99,102,241,0.18);
  --color-text:         #EEF2FF;
  --color-muted:        #8B9CC8;
  --color-accent:       #6366F1;
  --color-accent2:      #8B5CF6;
  --color-accent-hover: #818CF8;
  --color-success:      #10B981;
  --color-warning:      #F59E0B;
  --gradient-cta:       linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
  --gradient-hero:      radial-gradient(ellipse 80% 60% at 50% -10%, rgba(99,102,241,0.25) 0%, transparent 70%);
  --gradient-card:      linear-gradient(145deg, rgba(99,102,241,0.08) 0%, rgba(139,92,246,0.04) 100%);
  --font-sans:          'Syne', system-ui, sans-serif;
  --font-body:          'DM Sans', system-ui, sans-serif;
  --font-mono:          'JetBrains Mono', monospace;
  --space-xs:  0.25rem; --space-sm:  0.5rem;  --space-md:  1rem;
  --space-lg:  1.5rem;  --space-xl:  2rem;    --space-2xl: 3rem;  --space-3xl: 5rem;
  --container: 1200px;  --radius-sm: 0.5rem;  --radius: 0.875rem;
  --radius-lg: 1.25rem; --radius-xl: 1.75rem;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.35), 0 1px 0 rgba(99,102,241,0.12) inset;
  --shadow-btn:  0 4px 16px rgba(99,102,241,0.35);
  --transition:  200ms cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-color-scheme: light) {
  :root {
    --color-bg: #F8FAFC; --color-bg2: #FFFFFF; --color-surface: #FFFFFF;
    --color-surface2: #F1F5F9; --color-border: rgba(99,102,241,0.15);
    --color-text: #0F172A; --color-muted: #64748B;
    --gradient-hero: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(99,102,241,0.12) 0%, transparent 70%);
    --gradient-card: linear-gradient(145deg, rgba(99,102,241,0.04) 0%, rgba(139,92,246,0.02) 100%);
    --shadow-card: 0 4px 24px rgba(0,0,0,0.08), 0 1px 0 rgba(99,102,241,0.06) inset;
  }
}

html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-body); background: var(--color-bg); color: var(--color-text); line-height: 1.7; min-height: 100vh; overflow-x: hidden; }
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:wght@300;400;500;600&display=swap');
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent-hover); }
ul { list-style: none; }

.skip-link { position: absolute; top: -100%; left: 1rem; background: var(--color-accent); color: #fff; padding: .5rem 1rem; border-radius: var(--radius-sm); z-index: 9999; font-weight: 600; transition: top var(--transition); }
.skip-link:focus { top: 1rem; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--space-lg); }
@media (min-width: 640px) { .container { padding: 0 var(--space-xl); } }
@media (min-width: 1024px) { .container { padding: 0 var(--space-2xl); } }

/* BUTTONS */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .65rem 1.25rem; border-radius: var(--radius); font-family: var(--font-sans); font-weight: 600; font-size: .9rem; cursor: pointer; transition: all var(--transition); white-space: nowrap; border: none; text-decoration: none; }
.btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }
.btn-primary { background: var(--gradient-cta); color: #fff; box-shadow: var(--shadow-btn); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(99,102,241,0.5); color: #fff; }
.btn-outline { background: transparent; color: var(--color-text); border: 1.5px solid var(--color-border); }
.btn-outline:hover { border-color: var(--color-accent); color: var(--color-accent); background: rgba(99,102,241,0.06); }
.btn-sm { padding: .5rem 1rem; font-size: .825rem; }
.btn-lg { padding: .9rem 1.75rem; font-size: 1rem; }
.btn-xl { padding: 1.1rem 2.25rem; font-size: 1.1rem; border-radius: var(--radius-lg); }
.btn-full { width: 100%; }

/* BADGES */
.badge { display: inline-flex; align-items: center; gap: .25rem; padding: .3rem .8rem; border-radius: 999px; font-size: .75rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
.badge-accent { background: rgba(99,102,241,0.15); color: var(--color-accent-hover); border: 1px solid rgba(99,102,241,0.25); }
.badge-success { background: rgba(16,185,129,0.12); color: #34D399; border: 1px solid rgba(16,185,129,0.2); }
.badge-warning { background: rgba(245,158,11,0.12); color: #FCD34D; border: 1px solid rgba(245,158,11,0.2); }

/* HEADER */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(6,12,26,0.85); backdrop-filter: blur(16px) saturate(180%); -webkit-backdrop-filter: blur(16px) saturate(180%); border-bottom: 1px solid var(--color-border); }
@media (prefers-color-scheme: light) { .site-header { background: rgba(248,250,252,0.92); } }
.site-header .container { display: flex; align-items: center; gap: var(--space-xl); height: 64px; }
.logo { font-family: var(--font-sans); font-size: 1.25rem; font-weight: 800; color: var(--color-text); letter-spacing: -.02em; flex-shrink: 0; }
.logo span { color: var(--color-accent); }
.logo:hover { color: var(--color-text); }
.main-nav { flex: 1; }
.main-nav ul { display: none; align-items: center; gap: var(--space-sm); }
@media (min-width: 768px) { .main-nav ul { display: flex; } }
.main-nav a { color: var(--color-muted); font-size: .9rem; font-weight: 500; padding: var(--space-sm) var(--space-md); border-radius: var(--radius-sm); transition: all var(--transition); }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--color-text); background: rgba(99,102,241,0.1); }
.header-cta { margin-left: auto; flex-shrink: 0; }
.nav-toggle { display: flex; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: var(--space-sm); margin-left: auto; }
@media (min-width: 768px) { .nav-toggle { display: none; } }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--color-text); border-radius: 2px; transition: all var(--transition); }
.mobile-menu { display: none; position: fixed; inset: 64px 0 0 0; background: var(--color-bg); z-index: 99; padding: var(--space-xl); border-top: 1px solid var(--color-border); overflow-y: auto; }
.mobile-menu.open { display: block; }
.mobile-menu ul { display: flex; flex-direction: column; gap: var(--space-sm); }
.mobile-menu a { display: block; color: var(--color-text); font-size: 1.1rem; font-weight: 500; padding: var(--space-md); border-radius: var(--radius); border: 1px solid var(--color-border); }
.mobile-menu a:hover { background: var(--color-surface); }
.mobile-menu .btn { width: 100%; margin-top: var(--space-md); }

/* BREADCRUMBS */
.breadcrumbs { padding: var(--space-md) 0; border-bottom: 1px solid var(--color-border); background: var(--color-bg2); }
.breadcrumbs ol { display: flex; align-items: center; gap: var(--space-sm); flex-wrap: wrap; font-size: .825rem; }
.breadcrumbs li { display: flex; align-items: center; gap: var(--space-sm); }
.breadcrumbs li::after { content: '/'; color: var(--color-muted); }
.breadcrumbs li:last-child::after { display: none; }
.breadcrumbs a { color: var(--color-muted); }
.breadcrumbs a:hover { color: var(--color-text); }
.breadcrumbs [aria-current] { color: var(--color-text); font-weight: 500; }

/* HERO */
.hero { position: relative; padding: var(--space-3xl) 0; text-align: center; overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: 0; background: var(--gradient-hero); pointer-events: none; }
.hero-badge { margin-bottom: var(--space-lg); }
.hero h1 { font-family: var(--font-sans); font-size: clamp(2rem,6vw,3.75rem); font-weight: 800; line-height: 1.1; letter-spacing: -.03em; margin-bottom: var(--space-lg); }
.hero h1 .highlight { background: var(--gradient-cta); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-desc { font-size: clamp(1rem,2vw,1.2rem); color: var(--color-muted); max-width: 600px; margin: 0 auto var(--space-xl); line-height: 1.8; }
.hero-actions { display: flex; align-items: center; justify-content: center; gap: var(--space-md); flex-wrap: wrap; }
.hero-trust { margin-top: var(--space-2xl); display: flex; align-items: center; justify-content: center; gap: var(--space-lg); flex-wrap: wrap; color: var(--color-muted); font-size: .85rem; }
.hero-trust-item { display: flex; align-items: center; gap: var(--space-xs); }
.hero-trust-item::before { content: '✓'; color: var(--color-success); font-weight: 700; }

/* SECTIONS */
.section { padding: var(--space-3xl) 0; }
.section-sm { padding: var(--space-2xl) 0; }
.section-header { text-align: center; max-width: 650px; margin: 0 auto var(--space-2xl); }
.section-header .badge { margin-bottom: var(--space-md); }
.section-header h2 { font-family: var(--font-sans); font-size: clamp(1.6rem,4vw,2.5rem); font-weight: 700; letter-spacing: -.025em; line-height: 1.2; margin-bottom: var(--space-md); }
.section-header p { color: var(--color-muted); font-size: 1.05rem; }

/* CARDS */
.card { background: var(--gradient-card); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-xl); box-shadow: var(--shadow-card); transition: all var(--transition); }
.card:hover { border-color: rgba(99,102,241,0.35); transform: translateY(-2px); }
.card-icon { width: 48px; height: 48px; background: rgba(99,102,241,0.12); border: 1px solid rgba(99,102,241,0.2); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; margin-bottom: var(--space-lg); }
.card h3 { font-family: var(--font-sans); font-size: 1.1rem; font-weight: 700; margin-bottom: var(--space-sm); }
.card p { color: var(--color-muted); font-size: .95rem; }
.grid-3 { display: grid; grid-template-columns: 1fr; gap: var(--space-lg); }
@media (min-width: 640px) { .grid-3 { grid-template-columns: repeat(2,1fr); } }
@media (min-width: 1024px) { .grid-3 { grid-template-columns: repeat(3,1fr); } }
.grid-2 { display: grid; grid-template-columns: 1fr; gap: var(--space-lg); }
@media (min-width: 768px) { .grid-2 { grid-template-columns: repeat(2,1fr); } }

/* PRICING */
.pricing-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-lg); }
@media (min-width: 768px) { .pricing-grid { grid-template-columns: repeat(3,1fr); } }
.pricing-card { background: var(--gradient-card); border: 1px solid var(--color-border); border-radius: var(--radius-xl); padding: var(--space-xl) var(--space-xl) var(--space-2xl); transition: all var(--transition); display: flex; flex-direction: column; }
.pricing-card.featured { border-color: var(--color-accent); background: linear-gradient(145deg,rgba(99,102,241,0.12),rgba(139,92,246,0.06)); position: relative; }
.pricing-card.featured::before { content: 'Recommandé'; position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--gradient-cta); color: #fff; font-size: .75rem; font-weight: 700; padding: .2rem 1rem; border-radius: 999px; white-space: nowrap; }
.pricing-card:hover { transform: translateY(-3px); }
.pricing-plan { font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--color-muted); margin-bottom: var(--space-sm); }
.pricing-price { font-family: var(--font-sans); font-size: 2.5rem; font-weight: 800; line-height: 1; margin-bottom: var(--space-sm); }
.pricing-price sup { font-size: 1.2rem; vertical-align: super; }
.pricing-price small { font-size: .9rem; font-weight: 400; color: var(--color-muted); }
.pricing-desc { color: var(--color-muted); font-size: .9rem; margin-bottom: var(--space-xl); padding-bottom: var(--space-xl); border-bottom: 1px solid var(--color-border); }
.pricing-features { flex: 1; margin-bottom: var(--space-xl); }
.pricing-features li { display: flex; align-items: flex-start; gap: var(--space-sm); font-size: .9rem; padding: var(--space-sm) 0; border-bottom: 1px solid rgba(99,102,241,0.08); }
.pricing-features li::before { content: '✓'; color: var(--color-success); font-weight: 700; flex-shrink: 0; margin-top: 2px; }

/* COMPARISON TABLE */
.comparison-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.comparison-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.comparison-table th { background: var(--color-surface2); padding: var(--space-md) var(--space-lg); text-align: left; font-family: var(--font-sans); font-weight: 700; border-bottom: 2px solid var(--color-accent); }
.comparison-table th.highlight-col { background: rgba(99,102,241,0.15); }
.comparison-table td { padding: var(--space-md) var(--space-lg); border-bottom: 1px solid var(--color-border); vertical-align: middle; }
.comparison-table td.highlight-col { background: rgba(99,102,241,0.05); }
.comparison-table tr:hover td { background: rgba(99,102,241,0.04); }
.check { color: var(--color-success); font-size: 1.1rem; }
.cross { color: #EF4444; font-size: 1.1rem; }
.partial { color: var(--color-warning); }
@media (max-width: 639px) {
  .comparison-table thead { display: none; }
  .comparison-table, .comparison-table tbody, .comparison-table tr, .comparison-table td { display: block; width: 100%; }
  .comparison-table tr { background: var(--gradient-card); border: 1px solid var(--color-border); border-radius: var(--radius); padding: var(--space-md); margin-bottom: var(--space-md); }
  .comparison-table td { display: flex; justify-content: space-between; align-items: center; border: none; padding: var(--space-sm) 0; border-bottom: 1px solid var(--color-border); font-size: .85rem; }
  .comparison-table td:last-child { border-bottom: none; }
  .comparison-table td::before { content: attr(data-label); font-weight: 600; color: var(--color-muted); font-size: .8rem; }
}

/* FAQ */
.faq { padding: var(--space-3xl) 0; }
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-list details { border: 1px solid var(--color-border); border-radius: var(--radius); margin-bottom: var(--space-md); overflow: hidden; transition: all var(--transition); }
.faq-list details[open] { border-color: rgba(99,102,241,0.3); background: rgba(99,102,241,0.04); }
.faq-list summary { display: flex; justify-content: space-between; align-items: center; padding: var(--space-lg) var(--space-xl); cursor: pointer; font-family: var(--font-sans); font-weight: 600; font-size: 1rem; list-style: none; gap: var(--space-md); }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: '+'; font-size: 1.4rem; font-weight: 300; color: var(--color-accent); flex-shrink: 0; transition: transform var(--transition); }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list .faq-answer { padding: 0 var(--space-xl) var(--space-lg); color: var(--color-muted); line-height: 1.8; }

/* TOC */
.toc { background: var(--gradient-card); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-xl); margin-bottom: var(--space-2xl); }
.toc-title { font-family: var(--font-sans); font-size: .85rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--color-muted); margin-bottom: var(--space-md); }
.toc ol { counter-reset: toc; padding-left: 0; }
.toc ol li { counter-increment: toc; padding: var(--space-xs) 0; }
.toc ol li::before { content: counter(toc) '. '; color: var(--color-accent); font-weight: 600; font-size: .85rem; }
.toc a { color: var(--color-muted); font-size: .9rem; }
.toc a:hover { color: var(--color-text); }
@media (min-width: 1024px) {
  .article-layout { display: grid; grid-template-columns: 1fr 280px; gap: var(--space-2xl); align-items: start; }
  .toc-sticky { position: sticky; top: 88px; }
}

/* CONTENT */
.content h2 { font-family: var(--font-sans); font-size: clamp(1.4rem,3vw,1.9rem); font-weight: 700; letter-spacing: -.02em; margin: var(--space-2xl) 0 var(--space-md); padding-top: var(--space-lg); border-top: 1px solid var(--color-border); scroll-margin-top: 80px; }
.content h3 { font-family: var(--font-sans); font-size: 1.2rem; font-weight: 700; margin: var(--space-xl) 0 var(--space-md); scroll-margin-top: 80px; }
.content p { margin-bottom: var(--space-md); line-height: 1.8; }
.content ul { margin-bottom: var(--space-md); display: flex; flex-direction: column; gap: var(--space-sm); }
.content ul li { padding-left: var(--space-xl); position: relative; line-height: 1.7; }
.content ul li::before { content: '→'; color: var(--color-accent); position: absolute; left: 0; }
.content ol { padding-left: var(--space-xl); margin-bottom: var(--space-md); display: flex; flex-direction: column; gap: var(--space-sm); }
.content strong { font-weight: 600; }
.content code { font-family: var(--font-mono); background: var(--color-surface2); padding: .15em .4em; border-radius: var(--radius-sm); font-size: .875em; color: var(--color-accent-hover); }

/* CTA BOXES */
.cta-box { background: linear-gradient(135deg,rgba(99,102,241,0.15),rgba(139,92,246,0.1)); border: 1px solid rgba(99,102,241,0.3); border-radius: var(--radius-xl); padding: var(--space-2xl); text-align: center; margin: var(--space-2xl) 0; }
.cta-box h3 { font-family: var(--font-sans); font-size: 1.4rem; font-weight: 700; margin-bottom: var(--space-sm); }
.cta-box p { color: var(--color-muted); margin-bottom: var(--space-lg); }
.cta-final { padding: var(--space-3xl) 0; background: linear-gradient(180deg,transparent 0%,rgba(99,102,241,0.06) 50%,transparent 100%); text-align: center; }
.cta-final h2 { font-family: var(--font-sans); font-size: clamp(1.8rem,4vw,2.8rem); font-weight: 800; letter-spacing: -.03em; margin-bottom: var(--space-md); }
.cta-final p { color: var(--color-muted); max-width: 520px; margin: 0 auto var(--space-xl); }

/* STATS */
.stats-bar { background: var(--color-surface); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); padding: var(--space-2xl) 0; }
.stats-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: var(--space-xl); text-align: center; }
@media (min-width: 768px) { .stats-grid { grid-template-columns: repeat(4,1fr); } }
.stat-num { font-family: var(--font-sans); font-size: clamp(1.8rem,4vw,2.5rem); font-weight: 800; background: var(--gradient-cta); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; line-height: 1.1; }
.stat-label { color: var(--color-muted); font-size: .85rem; margin-top: var(--space-xs); }

/* TESTIMONIALS */
.testimonial-card { background: var(--gradient-card); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-xl); }
.testimonial-text { font-size: 1rem; line-height: 1.8; margin-bottom: var(--space-lg); font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: var(--space-md); }
.author-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--gradient-cta); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: .9rem; color: #fff; flex-shrink: 0; }
.author-name { font-weight: 600; font-size: .9rem; }
.author-role { color: var(--color-muted); font-size: .8rem; }
.stars { color: #F59E0B; font-size: 1.1rem; letter-spacing: 2px; }

/* NEWSLETTER */
.newsletter-section { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-xl); padding: var(--space-2xl); text-align: center; margin: var(--space-2xl) 0; }
.newsletter-section h3 { font-family: var(--font-sans); font-size: 1.4rem; font-weight: 700; margin-bottom: var(--space-sm); }
.newsletter-section p { color: var(--color-muted); margin-bottom: var(--space-lg); }
.newsletter-form { display: flex; gap: var(--space-sm); max-width: 480px; margin: 0 auto; flex-wrap: wrap; }
.newsletter-form input { flex: 1; min-width: 200px; padding: .7rem 1.1rem; background: var(--color-bg); border: 1.5px solid var(--color-border); border-radius: var(--radius); color: var(--color-text); font-family: var(--font-body); font-size: .95rem; outline: none; transition: border-color var(--transition); }
.newsletter-form input:focus { border-color: var(--color-accent); }
.newsletter-form input::placeholder { color: var(--color-muted); }

/* STICKY MOBILE CTA */
.sticky-mobile-cta { position: fixed; bottom: 0; left: 0; right: 0; z-index: 90; padding: var(--space-md) var(--space-lg); background: rgba(6,12,26,0.95); backdrop-filter: blur(16px); border-top: 1px solid var(--color-border); transform: translateY(100%); transition: transform .35s cubic-bezier(.4,0,.2,1); }
.sticky-mobile-cta.visible { transform: translateY(0); }
.sticky-mobile-cta a { display: block; width: 100%; text-align: center; }
@media (min-width: 1024px) { .sticky-mobile-cta { display: none; } }

/* FOOTER */
.site-footer { background: var(--color-surface); border-top: 1px solid var(--color-border); padding: var(--space-3xl) 0 var(--space-xl); }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-2xl); margin-bottom: var(--space-2xl); }
@media (min-width: 640px) { .footer-grid { grid-template-columns: repeat(2,1fr); } }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.footer-brand p { color: var(--color-muted); font-size: .9rem; max-width: 260px; margin-top: var(--space-md); }
.footer-heading { font-family: var(--font-sans); font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--color-muted); margin-bottom: var(--space-lg); }
.footer-links { display: flex; flex-direction: column; gap: var(--space-sm); }
.footer-links a { color: var(--color-muted); font-size: .9rem; }
.footer-links a:hover { color: var(--color-text); }
.footer-bottom { padding-top: var(--space-xl); border-top: 1px solid var(--color-border); display: flex; flex-direction: column; gap: var(--space-md); font-size: .825rem; color: var(--color-muted); }
@media (min-width: 768px) { .footer-bottom { flex-direction: row; justify-content: space-between; align-items: center; } }
.footer-bottom a { color: var(--color-muted); }
.footer-bottom a:hover { color: var(--color-text); }

/* UTILS */
.text-center { text-align: center; }
.text-muted { color: var(--color-muted); }
.text-accent { color: var(--color-accent); }
.divider { height: 1px; background: linear-gradient(90deg,transparent,var(--color-border),transparent); margin: var(--space-2xl) 0; }
.mt-sm { margin-top: var(--space-sm); } .mt-md { margin-top: var(--space-md); } .mt-lg { margin-top: var(--space-lg); } .mt-xl { margin-top: var(--space-xl); } .mb-xl { margin-bottom: var(--space-xl); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border-width: 0; }

/* ANIMATIONS */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse-glow { 0%,100% { box-shadow: var(--shadow-btn); } 50% { box-shadow: 0 8px 32px rgba(99,102,241,0.6); } }
.animate-fade-in { animation: fadeInUp .6s ease both; }
.animate-delay-1 { animation-delay: .1s; } .animate-delay-2 { animation-delay: .2s; } .animate-delay-3 { animation-delay: .3s; }
.btn-primary.pulse { animation: pulse-glow 2.5s ease-in-out infinite; }

@media print { .site-header, .sticky-mobile-cta, .newsletter-section, .cta-final { display: none; } body { background: white; color: black; } }