/* ============================================
   Blog HK - Design System (Part 1: Base + Layout)
   Premium law-firm aesthetic + modern magazine
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400;1,500&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --color-primary: #0F172A;
    --color-primary-light: #1E293B;
    --color-primary-hover: #1a2744;
    --color-white: #FFFFFF;
    --color-bg: #FAFBFC;
    --color-bg-alt: #F1F5F9;
    --color-text: #1E293B;
    --color-text-light: #64748B;
    --color-text-muted: #94A3B8;
    --color-accent: #C9A227;
    --color-accent-light: #D4AF37;
    --color-accent-glow: rgba(201, 162, 39, 0.15);
    --color-border: #E2E8F0;
    --color-border-light: #F1F5F9;
    --color-success: #059669;
    --color-error: #DC2626;
    --color-info: #2563EB;
    --color-warning: #D97706;
    --color-overlay: rgba(15, 23, 42, 0.6);
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --space-xs: 0.25rem; --space-sm: 0.5rem; --space-md: 1rem;
    --space-lg: 1.5rem; --space-xl: 2rem; --space-2xl: 3rem;
    --space-3xl: 4rem; --space-4xl: 6rem;
    --max-width: 1200px; --content-width: 720px; --sidebar-width: 340px;
    --radius-sm: 6px; --radius-md: 10px; --radius-lg: 16px; --radius-xl: 24px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.1);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.12);
    --shadow-card: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-card-hover: 0 12px 36px rgba(0,0,0,0.12);
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; font-size:16px; -webkit-font-smoothing:antialiased; }
body { font-family:var(--font-body); font-size:1rem; line-height:1.7; color:var(--color-text); background:var(--color-white); min-height:100vh; display:flex; flex-direction:column; }
img { max-width:100%; height:auto; display:block; }
a { color:var(--color-primary); text-decoration:none; transition:color var(--transition-fast); }
a:hover { color:var(--color-accent); }

/* Featured Article Layout */
.featured-article {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.featured-article:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.featured-article-image {
    position: relative;
    overflow: hidden;
    min-height: 400px;
}

.featured-article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.featured-article:hover .featured-article-image img {
    transform: scale(1.05);
}

.featured-article-content {
    padding: var(--space-2xl);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.featured-article-content h1 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
}

.featured-article-meta {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.featured-article-excerpt {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: var(--space-xl);
    flex-grow: 1;
}

.featured-article-actions {
    margin-top: auto;
}

/* Popular Badge */
.popular-badge {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    box-shadow: 0 4px 14px rgba(15,23,42,.24);
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

/* CTA Section - Besoin d'un avis juridique */
section.cta-github-section {
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
    padding: var(--space-4xl) 0;
    position: relative;
    overflow: hidden;
}

section.cta-github-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(201, 162, 39, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.cta-github-section .cta-github-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-3xl);
    position: relative;
    z-index: 1;
}

/* Cartes encadrées */
.cta-github-section .cta-github-top,
.cta-github-section .cta-github-bottom {
    padding: var(--space-3xl);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
}

/* Bloc haut - Besoin d'un avis juridique */
.cta-github-section .cta-github-top {
    text-align: center;
}

.cta-github-section .cta-github-title {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-lg);
    line-height: 1.2;
}

.cta-github-section .cta-github-description {
    font-size: 1.125rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-xl);
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.cta-github-section .cta-github-contact {
    list-style: none;
    margin: 0 0 var(--space-xl);
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-xl);
}

.cta-github-section .cta-github-contact li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

.cta-github-section .cta-github-contact-icon {
    font-size: 1.15rem;
    line-height: 1;
}

.cta-github-section .cta-github-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
}

.cta-github-section .btn-github-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: var(--color-accent);
    color: var(--color-primary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-base);
    border: 2px solid var(--color-accent);
}

.cta-github-section .btn-github-primary:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(201, 162, 39, 0.3);
}

/* Bloc bas - image + newsletter */
.cta-github-section .cta-github-bottom {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

/* Image du cabinet */
.cta-github-section .cta-github-firm {
    max-width: 240px;
    margin: 0;
}

.cta-github-section .cta-github-firm img {
    width: 240px;
    height: 240px;
    border-radius: var(--radius-lg);
    display: block;
    aspect-ratio: 1 / 1;
    object-fit: cover;
}

.cta-github-section .cta-github-firm-caption {
    display: block;
    text-align: center;
    padding-top: var(--space-md);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.cta-github-section .cta-github-newsletter {
    border-left: 1px solid rgba(255, 255, 255, 0.12);
    padding-left: var(--space-3xl);
}

.cta-github-section .newsletter-github-header {
    margin-bottom: var(--space-xl);
}

.cta-github-section .newsletter-github-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-md);
    line-height: 1.3;
}

.cta-github-section .newsletter-github-description {
    font-size: 1rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
}

.cta-github-section .newsletter-github-form {
    margin-top: var(--space-lg);
}

.cta-github-section .newsletter-github-input-group {
    display: flex;
    gap: var(--space-sm);
    align-items: stretch;
}

.cta-github-section .newsletter-github-input {
    flex: 1;
    padding: var(--space-md) var(--space-lg);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    color: var(--color-white);
    font-size: 0.95rem;
    transition: all var(--transition-base);
}

.cta-github-section .newsletter-github-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.cta-github-section .newsletter-github-input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.1);
}

.cta-github-section .newsletter-github-button {
    padding: var(--space-md) var(--space-xl);
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.cta-github-section .newsletter-github-button:hover {
    background: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
    transform: translateY(-1px);
}

/* Responsive - tout s'empile */
@media (max-width: 1024px) {
    .cta-github-section .cta-github-container {
        gap: var(--space-xl);
    }

    .cta-github-section .cta-github-top,
    .cta-github-section .cta-github-bottom {
        padding: var(--space-xl);
    }

    .cta-github-section .cta-github-bottom {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .cta-github-section .cta-github-firm {
        max-width: 220px;
        margin: 0 auto;
    }

    .cta-github-section .cta-github-firm img {
        width: 220px;
        height: 220px;
    }

    .cta-github-section .cta-github-contact {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .cta-github-section .cta-github-contact li {
        justify-content: center;
    }

    .cta-github-section .cta-github-newsletter {
        border-left: none;
        border-top: 1px solid rgba(255, 255, 255, 0.12);
        padding-left: 0;
        padding-top: var(--space-xl);
    }

    .cta-github-section .cta-github-title {
        font-size: 1.75rem;
    }

    .cta-github-section .newsletter-github-title {
        font-size: 1.25rem;
    }

    .cta-github-section .newsletter-github-input-group {
        flex-direction: column;
        gap: var(--space-md);
    }

    .cta-github-section .newsletter-github-button {
        width: 100%;
    }
}

ul, ol { list-style:none; }

h1,h2,h3,h4,h5,h6 { font-family:var(--font-heading); font-weight:700; line-height:1.3; color:var(--color-primary); }
h1 { font-size:2.75rem; letter-spacing:-0.02em; }
h2 { font-size:2rem; letter-spacing:-0.01em; }
h3 { font-size:1.5rem; } h4 { font-size:1.25rem; }
p { margin-bottom:var(--space-md); color:var(--color-text); }

.heading-decorated { position:relative; display:inline-block; padding-bottom:var(--space-sm); }
.heading-decorated::after { content:''; position:absolute; bottom:0; left:0; width:60px; height:3px; background:linear-gradient(90deg,var(--color-accent),var(--color-accent-light)); border-radius:2px; }
.heading-decorated-center::after { left:50%; transform:translateX(-50%); }

.container { width:100%; max-width:var(--max-width); margin:0 auto; padding:0 var(--space-xl); }
.container-narrow { max-width:var(--content-width); }
.section { padding:var(--space-4xl) 0; }
.section-alt { background:var(--color-bg-alt); }
.section-dark { background:var(--color-primary); color:var(--color-white); }
.section-dark h2,.section-dark h3 { color:var(--color-white); }
.section-dark p { color:rgba(255,255,255,0.8); }
.section-header { text-align:center; margin-bottom:var(--space-3xl); }
.section-header h2 { margin-bottom:var(--space-sm); }
.section-header p { color:var(--color-text-light); font-size:1.1rem; max-width:600px; margin:var(--space-md) auto 0; }

.grid { display:grid; gap:var(--space-xl); }
.grid-2 { grid-template-columns:repeat(2,1fr); }
.grid-3 { grid-template-columns:repeat(3,1fr); }
.grid-4 { grid-template-columns:repeat(4,1fr); }
.flex { display:flex; }
.flex-center { align-items:center; justify-content:center; }
.flex-between { align-items:center; justify-content:space-between; }

/* Navbar */
.navbar { position:sticky; top:0; z-index:1000; background:rgba(255,255,255,0.95); backdrop-filter:blur(20px); -webkit-backdrop-filter:blur(20px); border-bottom:1px solid var(--color-border-light); transition:box-shadow var(--transition-base); }
.navbar.scrolled { box-shadow:var(--shadow-md); }
.navbar-inner { display:flex; align-items:center; justify-content:space-between; height:72px; }
.navbar-logo { display:flex; align-items:center; gap:var(--space-sm); font-family:var(--font-heading); font-size:1.5rem; font-weight:700; color:var(--color-primary); text-decoration:none; }
.navbar-logo:hover { color:var(--color-primary); }
.navbar-logo-accent { color:var(--color-accent); }
.navbar-logo-icon { width:40px; height:40px; background:var(--color-primary); color:var(--color-accent); border-radius:var(--radius-sm); display:flex; align-items:center; justify-content:center; font-size:1.1rem; font-weight:800; }
.navbar-nav { display:flex; align-items:center; gap:var(--space-xs); }
.navbar-nav a { padding:var(--space-sm) var(--space-md); color:var(--color-text); font-weight:500; font-size:0.95rem; border-radius:var(--radius-sm); transition:all var(--transition-fast); position:relative; }
.navbar-nav a:hover,.navbar-nav a.nav-active { color:var(--color-primary); background:var(--color-bg-alt); }
.navbar-nav a.nav-active::after { content:''; position:absolute; bottom:2px; left:50%; transform:translateX(-50%); width:20px; height:2px; background:var(--color-accent); border-radius:1px; }
.navbar-cta { background:var(--color-primary)!important; color:var(--color-white)!important; padding:var(--space-sm) var(--space-lg)!important; border-radius:var(--radius-md)!important; font-weight:600!important; }
.navbar-cta:hover { background:var(--color-primary-hover)!important; transform:translateY(-1px); }
.hamburger { display:none; flex-direction:column; gap:5px; cursor:pointer; padding:var(--space-sm); background:none; border:none; z-index:1001; }
.hamburger span { width:24px; height:2px; background:var(--color-primary); border-radius:2px; transition:all var(--transition-base); }
.hamburger.active span:nth-child(1) { transform:rotate(45deg) translate(5px,5px); }
.hamburger.active span:nth-child(2) { opacity:0; }
.hamburger.active span:nth-child(3) { transform:rotate(-45deg) translate(5px,-5px); }

/* Buttons */
.btn { display:inline-flex; align-items:center; justify-content:center; gap:var(--space-sm); padding:0.75rem 1.75rem; font-family:var(--font-body); font-size:0.95rem; font-weight:600; border:none; border-radius:var(--radius-md); cursor:pointer; transition:all var(--transition-base); text-decoration:none; line-height:1.2; }
.btn:hover { transform:translateY(-2px); box-shadow:var(--shadow-md); }
.btn:active { transform:translateY(0); }
.btn-primary { background:var(--color-primary); color:var(--color-white); }
.btn-primary:hover { background:var(--color-primary-hover); color:var(--color-white); }
.btn-accent { background:linear-gradient(135deg,var(--color-accent),var(--color-accent-light)); color:var(--color-primary); }
.btn-accent:hover { box-shadow:0 8px 24px var(--color-accent-glow); color:var(--color-primary); }
.btn-outline { background:transparent; color:var(--color-primary); border:2px solid var(--color-primary); }
.btn-outline:hover { background:var(--color-primary); color:var(--color-white); }
.btn-white { background:var(--color-white); color:var(--color-primary); }
.btn-white:hover { background:var(--color-bg-alt); color:var(--color-primary); }
.btn-sm { padding:0.5rem 1rem; font-size:0.85rem; }
.btn-lg { padding:1rem 2.25rem; font-size:1.05rem; }
.btn-danger { background:var(--color-error); color:var(--color-white); }
.btn-danger:hover { background:#b91c1c; color:var(--color-white); }
.btn-success { background:var(--color-success); color:var(--color-white); }
.btn-success:hover { background:#047857; color:var(--color-white); }