/* ============================================
   Generative Leads — House Style
   Anthropic/Claude-inspired: warm beige, earth
   tones, with faint Generative Leads purple.
   ============================================ */

:root {
    /* Earth & Beige palette */
    --bg-primary: #FAF7F2;
    --bg-warm: #F3EDE4;
    --bg-card: #FFFFFF;
    --bg-dark: #1C1917;
    --bg-cta: #292524;

    /* Text */
    --text-primary: #1C1917;
    --text-secondary: #57534E;
    --text-muted: #A8A29E;
    --text-inverse: #FAF7F2;

    /* Generative Leads purple — used sparingly */
    --purple: #8B7EC8;
    --purple-light: #C4BCF0;
    --purple-faint: #EDEAFF;
    --purple-dark: #6B5FA8;

    /* Accent earth tones */
    --sand: #D4C5A9;
    --terracotta: #C4956A;
    --stone: #78716C;

    /* Borders */
    --border: #E7E0D6;
    --border-light: #F0EBE3;

    /* Spacing */
    --section-gap: 7rem;
    --container-max: 1200px;

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;

    /* Transitions */
    --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ---- Reset & Base ---- */

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-primary);
}

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

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
}

/* ---- Typography ---- */

h1, h2, h3, h4 {
    font-family: 'Playfair Display', Georgia, serif;
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); letter-spacing: -0.01em; }
h3 { font-size: 1.25rem; font-weight: 600; }
h4 { font-family: 'Inter', sans-serif; font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); }

.mt-1 { margin-top: 1.5rem; }

/* ---- Buttons ---- */

.btn {
    display: inline-block;
    padding: 0.85rem 2rem;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all 0.3s var(--ease);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--bg-dark);
    color: var(--text-inverse);
}
.btn-primary:hover {
    background: var(--purple-dark);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border);
    margin-left: 0.75rem;
}
.btn-outline:hover {
    border-color: var(--purple);
    color: var(--purple-dark);
}

.btn-full { width: 100%; text-align: center; }

/* ---- Navbar ---- */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250, 247, 242, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    transition: background 0.3s;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    font-family: 'Inter', sans-serif;
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}
.logo-gen { color: var(--text-primary); }
.logo-leads { color: var(--purple); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--text-secondary);
    transition: color 0.2s;
    position: relative;
}
.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
}
.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 1.5px;
    background: var(--purple);
    border-radius: 1px;
}

.nav-cta {
    background: var(--bg-dark) !important;
    color: var(--text-inverse) !important;
    padding: 0.5rem 1.25rem !important;
    border-radius: var(--radius-sm) !important;
    font-weight: 500 !important;
}
.nav-cta:hover {
    background: var(--purple-dark) !important;
}
.nav-cta.active::after { display: none; }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s;
}

/* ---- Hero ---- */

.hero {
    padding: 10rem 0 6rem;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--purple);
    margin-bottom: 1rem;
}

.hero h1 {
    margin-bottom: 1.5rem;
}

.hero-text {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2.5rem;
    max-width: 480px;
}

.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 400px;
}

.hero-shape {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--purple-faint), var(--bg-warm));
    position: relative;
}
.hero-shape::before {
    content: '';
    position: absolute;
    inset: 20px;
    border-radius: 50%;
    border: 1.5px solid var(--purple-light);
    opacity: 0.5;
}

.hero-shape-ring {
    position: absolute;
    width: 380px;
    height: 380px;
    border-radius: 50%;
    border: 1px solid var(--border);
    animation: rotate 30s linear infinite;
}
.hero-shape-ring::before {
    content: '';
    position: absolute;
    top: -4px;
    left: 50%;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--purple);
}

@keyframes rotate {
    to { transform: rotate(360deg); }
}

/* ---- Page Hero (inner pages) ---- */

.page-hero {
    padding: 10rem 0 4rem;
    background: var(--bg-warm);
    text-align: center;
}

.page-hero h1 {
    margin-bottom: 1rem;
}

.page-hero-text {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ---- Sections ---- */

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

.bg-warm {
    background: var(--bg-warm);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--purple);
    margin-bottom: 0.75rem;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 1rem auto 0;
    line-height: 1.7;
}

/* ---- Trust Bar ---- */

.trust-bar {
    padding: 3.5rem 0;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.trust-label {
    text-align: center;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.trust-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem 3rem;
}

.trust-logos span {
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--stone);
    opacity: 0.65;
    transition: opacity 0.3s;
}
.trust-logos span:hover {
    opacity: 1;
}

/* ---- Card Grid ---- */

.card-grid {
    display: grid;
    gap: 1.5rem;
}
.two-col { grid-template-columns: repeat(2, 1fr); }
.three-col { grid-template-columns: repeat(3, 1fr); }
.four-col { grid-template-columns: repeat(4, 1fr); }

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 2rem;
    transition: all 0.3s var(--ease);
}
.card:hover {
    border-color: var(--purple-light);
    box-shadow: 0 8px 30px rgba(139, 126, 200, 0.08);
}

.card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--purple-faint);
    border-radius: var(--radius-sm);
    color: var(--purple-dark);
    margin-bottom: 1.25rem;
}

.card h3 {
    margin-bottom: 0.75rem;
}

.card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Service Cards */
.card-service {
    position: relative;
}
.card-number {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--purple-faint);
    line-height: 1;
    margin-bottom: 1rem;
    display: block;
}
.card-link {
    display: inline-block;
    margin-top: 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--purple-dark);
    transition: color 0.2s;
}
.card-link:hover { color: var(--purple); }

/* Service Detail Cards */
.card-service-detail {
    position: relative;
}
.card-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--purple-dark);
    background: var(--purple-faint);
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    margin-bottom: 1rem;
}

/* Flat cards (no border) */
.card-flat {
    background: var(--bg-card);
    border: 1px solid var(--border);
}

/* Team Cards */
.card-team {
    text-align: center;
}
.team-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--purple-faint), var(--purple-light));
    color: var(--purple-dark);
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
}
.team-role {
    font-size: 0.85rem;
    color: var(--purple);
    font-weight: 500;
    margin-bottom: 1rem;
}

/* ---- Timeline ---- */

.timeline {
    max-width: 700px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    gap: 2rem;
    padding: 2rem 0;
    border-bottom: 1px solid var(--border);
}
.timeline-item:last-child { border-bottom: none; }

.timeline-marker {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--purple-faint);
    color: var(--purple-dark);
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.timeline-content h3 {
    margin-bottom: 0.5rem;
}
.timeline-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ---- Stats ---- */

.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
    padding: 3rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.stat-number {
    display: block;
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--purple-dark);
    line-height: 1.2;
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* ---- Maturity Track ---- */

.maturity-track {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    padding: 2rem 0;
}
.maturity-track::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 5%;
    right: 5%;
    height: 2px;
    background: var(--border);
    transform: translateY(-50%);
}

.maturity-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    position: relative;
    z-index: 1;
}

.maturity-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--purple-light);
    transition: all 0.3s;
}
.maturity-dot.active {
    background: var(--purple);
    border-color: var(--purple);
    box-shadow: 0 0 0 6px var(--purple-faint);
}

.maturity-step span {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 100px;
}

/* ---- Split Content ---- */

.split-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}
.split-content.reverse { direction: rtl; }
.split-content.reverse > * { direction: ltr; }

.split-text h2 { margin-bottom: 1.5rem; }
.split-text p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.split-visual { display: flex; align-items: center; justify-content: center; }

.about-shape {
    width: 280px;
    height: 280px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--purple-faint), var(--bg-warm));
    border: 1px solid var(--purple-light);
    position: relative;
    transform: rotate(6deg);
}
.about-shape::before {
    content: '';
    position: absolute;
    inset: -15px;
    border-radius: var(--radius-lg);
    border: 1px dashed var(--border);
    transform: rotate(-3deg);
}

/* ---- Quote Block ---- */

.quote-block {
    background: var(--bg-card);
    border-left: 3px solid var(--purple);
    padding: 2rem;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.quote-block blockquote {
    font-family: 'Playfair Display', serif;
    font-size: 1.15rem;
    font-style: italic;
    color: var(--text-primary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.quote-block cite {
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    font-style: normal;
    color: var(--purple);
    font-weight: 500;
}

/* ---- Client Grid ---- */

.client-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
}

.client-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 1.25rem;
    text-align: center;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--stone);
    transition: all 0.3s var(--ease);
}
.client-item:hover {
    border-color: var(--purple-light);
    color: var(--text-primary);
}

/* ---- CTA Section ---- */

.cta-section {
    padding: 5rem 0;
}

.cta-box {
    background: var(--bg-cta);
    border-radius: var(--radius-lg);
    padding: 4rem;
    text-align: center;
}

.cta-box h2 {
    color: var(--text-inverse);
    margin-bottom: 1rem;
}

.cta-box p {
    color: var(--text-muted);
    max-width: 560px;
    margin: 0 auto 2rem;
    font-size: 1.05rem;
    line-height: 1.7;
}

.cta-box .btn-primary {
    background: var(--purple);
}
.cta-box .btn-primary:hover {
    background: var(--purple-light);
    color: var(--text-primary);
}

/* ---- Contact ---- */

.contact-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 4rem;
}

.contact-form-wrap h2 { margin-bottom: 0.5rem; }
.contact-form-wrap > p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }

.form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    color: var(--text-primary);
    transition: border-color 0.2s;
    outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--purple);
    box-shadow: 0 0 0 3px var(--purple-faint);
}

.form-group textarea { resize: vertical; }

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-card {
    background: var(--bg-warm);
    border-radius: var(--radius-md);
    padding: 1.5rem;
}
.contact-card h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}
.contact-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}
.contact-card a {
    color: var(--purple-dark);
    font-weight: 500;
}
.contact-card a:hover { color: var(--purple); }

.required { color: #DC2626; }

.form-note {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.whatsapp-field {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.whatsapp-field input[type="tel"] {
    flex: 1;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    color: var(--text-primary);
    transition: border-color 0.2s;
    outline: none;
}
.whatsapp-field input[type="tel"]:focus {
    border-color: var(--purple);
    box-shadow: 0 0 0 3px var(--purple-faint);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
}
.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--purple);
    cursor: pointer;
}

.linkedin-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--purple-dark);
    font-weight: 600;
    transition: color 0.2s;
}
.linkedin-link:hover { color: #0A66C2; }
.linkedin-link svg { flex-shrink: 0; }

.contact-card-linkedin {
    background: var(--purple-faint);
    border: 1px solid var(--purple-light);
}

/* ---- Legal Content ---- */

.legal-content {
    max-width: 800px;
    margin: 0 auto;
}
.legal-content h2 {
    font-size: 1.4rem;
    margin: 2.5rem 0 1rem;
}
.legal-content h3 {
    margin: 1.5rem 0 0.5rem;
    color: var(--text-secondary);
}
.legal-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.8;
}
.legal-content ul {
    margin: 0.5rem 0 1rem 1.5rem;
    list-style: disc;
}
.legal-content li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

/* ---- Process Diagram ---- */

.process-diagram-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 1rem 0;
}

.process-diagram {
    width: 100%;
    min-width: 900px;
    height: auto;
}

/* ---- Footer ---- */

.footer {
    background: var(--bg-dark);
    color: var(--text-muted);
    padding-top: 4rem;
}

.footer-inner {
    display: grid;
    grid-template-columns: 1.2fr 2fr;
    gap: 4rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand p {
    margin-top: 1rem;
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-muted);
}

.footer-email {
    color: var(--purple-light) !important;
    font-weight: 500;
}

.footer .logo-gen { color: var(--text-inverse); }

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-col h4 {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.footer-col ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col a {
    font-size: 0.9rem;
    color: rgba(250, 247, 242, 0.6);
    transition: color 0.2s;
}
.footer-col a:hover { color: var(--text-inverse); }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding: 1.5rem 2rem;
    font-size: 0.8rem;
    color: rgba(250, 247, 242, 0.35);
}

/* ---- Responsive ---- */

@media (max-width: 1024px) {
    .four-col { grid-template-columns: repeat(2, 1fr); }
    .hero-inner { grid-template-columns: 1fr; text-align: center; }
    .hero-text { margin: 0 auto 2.5rem; }
    .hero-visual { height: 250px; }
    .split-content { grid-template-columns: 1fr; gap: 2rem; }
    .split-content.reverse { direction: ltr; }
    .stats-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    :root { --section-gap: 4rem; }

    .nav-toggle { display: flex; }
    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: 1.5rem 2rem 2rem;
        gap: 1rem;
        border-bottom: 1px solid var(--border);
    }
    .nav-links.open { display: flex; }

    .three-col, .two-col { grid-template-columns: 1fr; }
    .four-col { grid-template-columns: 1fr; }

    .hero { padding: 8rem 0 4rem; }
    .page-hero { padding: 8rem 0 3rem; }

    .cta-box { padding: 2.5rem 1.5rem; }

    .contact-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }

    .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
    .footer-links { grid-template-columns: repeat(2, 1fr); }
    .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }

    .maturity-track { flex-direction: column; gap: 1rem; }
    .maturity-track::before { display: none; }

    .stats-row { grid-template-columns: repeat(2, 1fr); }

    .btn-outline { margin-left: 0; margin-top: 0.5rem; }
}

@media (max-width: 480px) {
    .container { padding: 0 1.25rem; }
    .trust-logos { gap: 1rem 2rem; }
}

/* ---- Articles Grid ---- */

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.article-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all 0.3s var(--ease);
    display: flex;
    flex-direction: column;
}
.article-card:hover {
    border-color: var(--purple-light);
    box-shadow: 0 8px 30px rgba(139, 126, 200, 0.08);
    transform: translateY(-2px);
}

.article-card-img {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--bg-warm);
}
.article-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s var(--ease);
}
.article-card:hover .article-card-img img {
    transform: scale(1.03);
}
.article-card-img-empty {
    background: linear-gradient(135deg, var(--purple-faint), var(--bg-warm));
}

.article-card-body {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-card-date {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.article-card-body h3 {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
    line-height: 1.35;
}

.article-card-body p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    flex: 1;
}

.article-card-link {
    display: inline-block;
    margin-top: 1rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--purple-dark);
}
.article-card:hover .article-card-link {
    color: var(--purple);
}

/* ---- Article Detail ---- */

.article-content {
    max-width: 780px;
    margin: 0 auto;
}

.article-hero-img {
    width: 100%;
    border-radius: var(--radius-md);
    margin-bottom: 2.5rem;
}

.article-body {
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--text-secondary);
}
.article-body h2 {
    font-size: 1.6rem;
    color: var(--text-primary);
    margin: 2.5rem 0 1rem;
}
.article-body h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin: 2rem 0 0.75rem;
}
.article-body p {
    margin-bottom: 1.25rem;
}
.article-body ul, .article-body ol {
    margin: 0.5rem 0 1.25rem 1.5rem;
    list-style: disc;
}
.article-body ol { list-style: decimal; }
.article-body li {
    margin-bottom: 0.4rem;
    line-height: 1.7;
}
.article-body a {
    color: var(--purple-dark);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.article-body a:hover { color: var(--purple); }
.article-body img {
    border-radius: var(--radius-sm);
    margin: 1.5rem 0;
}
.article-body blockquote {
    border-left: 3px solid var(--purple);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    background: var(--bg-warm);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-style: italic;
}

.article-back {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

@media (max-width: 1024px) {
    .articles-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .articles-grid { grid-template-columns: 1fr; }
}