:root {
    --primary-color: #0284c7;
    --primary-dark: #0369a1;
    --primary-light: #e0f2fe;
    --accent-color: #f97316;
    --accent-hover: #ea580c;
    --dark-navy: #0f172a;
    --dark-slate: #1e293b;
    --text-muted: #64748b;
    --card-border: #e2e8f0;
    --bg-soft: #f8fafc;
}

body {
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    color: #334155;
    background-color: #ffffff;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1 0 auto;
}

/* Top bar */
.top-bar {
    background-color: var(--dark-navy);
    color: #cbd5e1;
    font-size: 0.825rem;
    padding: 0.4rem 0;
}

.top-bar a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.2s ease;
}

.top-bar a:hover {
    color: #ffffff;
}

/* Navbar */
.navbar-custom {
    background: #ffffff;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.06);
    padding: 0.85rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--dark-navy) !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    letter-spacing: -0.5px;
}

.navbar-brand .brand-badge {
    background: linear-gradient(135deg, var(--accent-color), #fb923c);
    color: white;
    padding: 0.15rem 0.5rem;
    border-radius: 6px;
    font-size: 1.1rem;
}

.nav-link {
    font-weight: 600;
    color: #334155 !important;
    padding: 0.5rem 0.9rem !important;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.nav-link:hover {
    color: var(--primary-color) !important;
    background-color: var(--bg-soft);
}

.nav-link.active {
    color: var(--primary-color) !important;
}

/* Hero Section */
.hero-section {
    background: radial-gradient(circle at top right, #f0f9ff 0%, #ffffff 50%), linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    padding: 4.5rem 0 3.5rem;
    position: relative;
    border-bottom: 1px solid var(--card-border);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--primary-light);
    color: var(--primary-dark);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 0.35rem 0.85rem;
    border-radius: 50px;
    margin-bottom: 1.25rem;
}

.hero-title {
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--dark-navy);
    letter-spacing: -0.02em;
}

.hero-lead {
    font-size: 1.15rem;
    color: #475569;
    line-height: 1.6;
    margin-top: 1rem;
    margin-bottom: 2rem;
}

/* Buttons */
.btn-primary-custom {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: #ffffff;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    padding: 0.75rem 1.6rem;
    transition: all 0.2s ease;
    box-shadow: 0 4px 14px rgba(2, 132, 199, 0.35);
}

.btn-primary-custom:hover {
    background: linear-gradient(135deg, var(--primary-dark), #075985);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(2, 132, 199, 0.45);
}

.btn-accent-custom {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    color: #ffffff;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    padding: 0.75rem 1.6rem;
    transition: all 0.2s ease;
    box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
}

.btn-accent-custom:hover {
    background: linear-gradient(135deg, var(--accent-hover), #c2410c);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(249, 115, 22, 0.45);
}

.btn-outline-custom {
    border: 2px solid var(--card-border);
    color: var(--dark-navy);
    font-weight: 600;
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    background: #ffffff;
    transition: all 0.2s ease;
}

.btn-outline-custom:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: var(--primary-light);
}

.bg-soft {
    background-color: var(--bg-soft);
}

/* Feature & Service Cards */
.feature-card {
    background: #ffffff;
    border: 1px solid var(--card-border);
    border-radius: 14px;
    padding: 2.25rem 2rem;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 32px rgba(15, 23, 42, 0.08);
    border-color: #7dd3fc;
}

.feature-card h3 {
    font-size: 1.3rem;
    line-height: 1.4;
}

.feature-icon-wrapper {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: var(--primary-light);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 1.25rem;
}

.feature-icon-wrapper.accent {
    background: #ffedd5;
    color: var(--accent-color);
}

/* Printer Product Card */
.printer-card {
    background: #ffffff;
    border: 1px solid var(--card-border);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.printer-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.09);
    border-color: #7dd3fc;
}

.printer-card-img {
    height: 230px;
    background-color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 1.25rem;
    border-bottom: 1px solid var(--card-border);
}

.printer-img-thumbnail {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.printer-card:hover .printer-img-thumbnail {
    transform: scale(1.05);
}

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

.badge-tech {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.35rem 0.6rem;
    border-radius: 6px;
}

.badge-fdm {
    background-color: #dbeafe;
    color: #1e40af;
}

.badge-sla {
    background-color: #fce7f3;
    color: #9d174d;
}

/* Section Header */
.section-header {
    margin-bottom: 3rem;
}

.section-subtitle {
    color: var(--primary-color);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--dark-navy);
}

/* Backlink & Network Highlight Box */
.backlink-banner {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    border-radius: 14px;
    padding: 2.25rem 2.5rem;
    color: #ffffff;
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.15);
}

.backlink-banner a.brand-link {
    color: #38bdf8;
    text-decoration: underline;
    font-weight: 700;
    transition: color 0.2s ease;
}

.backlink-banner a.brand-link:hover {
    color: #7dd3fc;
}

/* Footer */
.footer-custom {
    background-color: var(--dark-navy);
    color: #94a3b8;
    padding: 4rem 0 2rem;
    margin-top: auto;
}

.footer-custom h5 {
    color: #ffffff;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 1.25rem;
}

.footer-custom a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-custom a:hover {
    color: #ffffff;
}

.footer-links li {
    margin-bottom: 0.6rem;
}

.footer-sister-sites {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 1.25rem;
    margin-bottom: 2rem;
}

.footer-sister-sites a {
    color: #38bdf8;
    font-weight: 600;
    text-decoration: underline;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.75rem;
    font-size: 0.875rem;
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background-color: #25d366;
    color: #ffffff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    box-shadow: 0 4px 18px rgba(37, 211, 102, 0.45);
    z-index: 1000;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.whatsapp-float:hover {
    color: #ffffff;
    transform: scale(1.1);
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.6);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    .hero-lead {
        font-size: 1rem;
    }
    .section-title {
        font-size: 1.75rem;
    }
}