/* =====================================================================
   BARENGKITA — MODERN TECH PREMIUM DESIGN SYSTEM
   ===================================================================== */

:root {
    --bk-navy-primary: #142B45;
    --bk-navy-secondary: #1D3C5C;
    --bk-blue-accent: #397ED0;
    --bk-blue-light: #EBF3FC;
    --bk-bg: #F7F9FC;
    --bk-white: #FFFFFF;
    --bk-text: #182435;
    --bk-muted: #778396;
    --bk-border: #E2E8F0;
    --bk-card-shadow: 0 10px 30px rgba(20, 43, 69, 0.06);
    --bk-hover-shadow: 0 20px 40px rgba(20, 43, 69, 0.12);
    --bk-radius: 12px;
    --bk-radius-sm: 8px;
    --bk-radius-lg: 18px;
    --bk-transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bk-bg);
    color: var(--bk-text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--bk-navy-primary);
    font-weight: 700;
    letter-spacing: -0.02em;
}

a {
    color: var(--bk-blue-accent);
    text-decoration: none;
    transition: var(--bk-transition);
}
a:hover {
    color: var(--bk-navy-secondary);
}

/* Navbar */
.navbar-barengkita {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    transition: var(--bk-transition);
    padding: 1rem 0;
}
.navbar-barengkita.scrolled {
    padding: 0.7rem 0;
    box-shadow: 0 4px 20px rgba(20, 43, 69, 0.08);
}
.navbar-brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    font-weight: 800;
    font-size: 1.35rem;
    color: var(--bk-navy-primary);
    letter-spacing: 0.05em;
}
.navbar-brand-logo span.dot {
    color: var(--bk-blue-accent);
}
.nav-link-bk {
    font-weight: 600;
    color: var(--bk-navy-secondary) !important;
    font-size: 0.95rem;
    padding: 0.5rem 1rem !important;
    border-radius: var(--bk-radius-sm);
    transition: var(--bk-transition);
}
.nav-link-bk:hover, .nav-link-bk.active {
    color: var(--bk-blue-accent) !important;
    background-color: var(--bk-blue-light);
}

/* Buttons */
.btn-bk-primary {
    background-color: var(--bk-navy-primary);
    color: #ffffff;
    font-weight: 600;
    padding: 0.75rem 1.6rem;
    border-radius: var(--bk-radius-sm);
    border: 1px solid var(--bk-navy-primary);
    transition: var(--bk-transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.btn-bk-primary:hover {
    background-color: var(--bk-navy-secondary);
    border-color: var(--bk-navy-secondary);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(20, 43, 69, 0.2);
}

.btn-bk-accent {
    background-color: var(--bk-blue-accent);
    color: #ffffff;
    font-weight: 600;
    padding: 0.75rem 1.6rem;
    border-radius: var(--bk-radius-sm);
    border: 1px solid var(--bk-blue-accent);
    transition: var(--bk-transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.btn-bk-accent:hover {
    background-color: #2769b5;
    border-color: #2769b5;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(57, 126, 208, 0.3);
}

.btn-bk-outline {
    background-color: transparent;
    color: var(--bk-navy-primary);
    font-weight: 600;
    padding: 0.75rem 1.6rem;
    border-radius: var(--bk-radius-sm);
    border: 1.5px solid var(--bk-navy-primary);
    transition: var(--bk-transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.btn-bk-outline:hover {
    background-color: var(--bk-navy-primary);
    color: #ffffff;
    transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
    position: relative;
    padding: 5.5rem 0 4.5rem;
    background: radial-gradient(circle at top right, rgba(57, 126, 208, 0.08), transparent 50%),
                radial-gradient(circle at bottom left, rgba(20, 43, 69, 0.05), transparent 40%),
                var(--bk-bg);
    border-bottom: 1px solid var(--bk-border);
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background-color: var(--bk-blue-light);
    color: var(--bk-blue-accent);
    font-weight: 600;
    font-size: 0.85rem;
    border-radius: 50px;
    margin-bottom: 1.25rem;
    border: 1px solid rgba(57, 126, 208, 0.2);
}
.hero-title {
    font-size: 3.25rem;
    line-height: 1.18;
    margin-bottom: 1.5rem;
}
.hero-title span.highlight {
    color: var(--bk-blue-accent);
    position: relative;
}
.hero-lead {
    font-size: 1.2rem;
    color: var(--bk-muted);
    line-height: 1.65;
    margin-bottom: 2rem;
}

/* Cards */
.bk-card {
    background: var(--bk-white);
    border: 1px solid var(--bk-border);
    border-radius: var(--bk-radius);
    padding: 2rem;
    box-shadow: var(--bk-card-shadow);
    transition: var(--bk-transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}
.bk-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--bk-hover-shadow);
    border-color: rgba(57, 126, 208, 0.3);
}

.bu-card-icon {
    width: 58px;
    height: 58px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.65rem;
    margin-bottom: 1.25rem;
    transition: var(--bk-transition);
}
.bk-card:hover .bu-card-icon {
    transform: scale(1.08) rotate(3deg);
}

/* Service Card */
.service-card {
    background: var(--bk-white);
    border: 1px solid var(--bk-border);
    border-radius: var(--bk-radius);
    overflow: hidden;
    box-shadow: var(--bk-card-shadow);
    transition: var(--bk-transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}
.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--bk-hover-shadow);
}
.service-card-body {
    padding: 1.75rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.service-price-tag {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--bk-navy-primary);
}

/* Section Common */
.section-padding {
    padding: 5rem 0;
}
.section-header {
    margin-bottom: 3.5rem;
}
.section-subtitle {
    color: var(--bk-blue-accent);
    font-size: 0.88rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
    display: block;
}
.section-title {
    font-size: 2.25rem;
    margin-bottom: 1rem;
}

/* Process Timeline / Steps */
.step-number {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--bk-navy-primary);
    color: #ffffff;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

/* Testimonial Card */
.testimonial-card {
    background: #ffffff;
    border: 1px solid var(--bk-border);
    border-radius: var(--bk-radius);
    padding: 2rem;
    box-shadow: var(--bk-card-shadow);
}
.stars {
    color: #F59E0B;
    margin-bottom: 0.75rem;
}

/* Footer */
.footer-barengkita {
    background-color: var(--bk-navy-primary);
    color: #A0AEC0;
    padding: 4.5rem 0 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-barengkita h5 {
    color: #FFFFFF;
    font-size: 1.1rem;
    margin-bottom: 1.25rem;
}
.footer-barengkita a {
    color: #CBD5E0;
    transition: var(--bk-transition);
}
.footer-barengkita a:hover {
    color: #FFFFFF;
    padding-left: 4px;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    margin-top: 3.5rem;
    padding-top: 1.5rem;
    font-size: 0.9rem;
}

/* WhatsApp Floating Button */
.wa-float-btn {
    position: fixed;
    bottom: 28px;
    right: 28px;
    background-color: #25D366;
    color: #ffffff;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.85rem;
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--bk-transition);
}
.wa-float-btn:hover {
    color: #ffffff;
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
}

/* Responsive adjustments */
@media (max-width: 991px) {
    .hero-title {
        font-size: 2.35rem;
    }
    .section-padding {
        padding: 3.5rem 0;
    }
}

/* Single-line Navbar Rules for Desktop & Laptop */
.navbar-barengkita .navbar-nav {
    flex-wrap: nowrap !important;
}
.navbar-barengkita .nav-item {
    white-space: nowrap !important;
}
.navbar-barengkita .nav-link-bk {
    white-space: nowrap !important;
    font-size: 0.92rem;
    padding: 0.5rem 0.75rem !important;
}
.navbar-barengkita .btn-bk-accent {
    white-space: nowrap !important;
    padding: 0.55rem 1.25rem;
    font-size: 0.88rem;
}

/* Laptops (992px to 1240px) specific compact spacing to guarantee single line */
@media (min-width: 992px) and (max-width: 1240px) {
    .navbar-barengkita .nav-link-bk {
        padding: 0.35rem 0.42rem !important;
        font-size: 0.82rem !important;
    }
    .navbar-barengkita .btn-bk-accent {
        padding: 0.42rem 0.75rem !important;
        font-size: 0.78rem !important;
    }
    .navbar-logo-img {
        height: 32px !important;
    }
}

/* Client Carousel / Marquee Ticker */
.client-logo-section {
    padding: 2.75rem 0;
    background-color: #FFFFFF;
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    position: relative;
    overflow: hidden;
}
.client-track {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    animation: clientScroll 30s linear infinite;
    width: max-content;
}
.client-track:hover {
    animation-play-state: paused;
}
@keyframes clientScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
.client-item-card {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    background: #F8FAFC;
    border: 1px solid #E2E8F0;
    border-radius: 50px;
    transition: var(--bk-transition);
    text-decoration: none;
    color: var(--bk-navy-secondary);
    white-space: nowrap;
}
.client-item-card:hover {
    background: #FFFFFF;
    border-color: var(--bk-blue-accent);
    color: var(--bk-blue-accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(57, 126, 208, 0.12);
}
.client-item-card img {
    max-height: 28px;
    max-width: 90px;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: var(--bk-transition);
}
.client-item-card:hover img {
    filter: grayscale(0%);
    opacity: 1;
}
.client-badge-mono {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, #142B45, #397ED0);
    color: #FFFFFF;
    font-size: 0.7rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Testimonials Carousel Upgrade */
.testimonial-carousel-card {
    background: #FFFFFF;
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: 20px;
    padding: 2.25rem 2rem;
    box-shadow: 0 10px 30px rgba(20, 43, 69, 0.05);
    transition: var(--bk-transition);
    position: relative;
    overflow: hidden;
    height: 100%;
}
.testimonial-carousel-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #142B45, #397ED0);
    opacity: 0;
    transition: var(--bk-transition);
}
.testimonial-carousel-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 18px 40px rgba(20, 43, 69, 0.1);
    border-color: rgba(57, 126, 208, 0.3);
}
.testimonial-carousel-card:hover::before {
    opacity: 1;
}
.testimonial-quote-icon {
    font-size: 2.75rem;
    color: rgba(57, 126, 208, 0.15);
    line-height: 1;
    margin-bottom: 0.5rem;
}
.testimonial-rating-stars {
    color: #F59E0B;
    font-size: 0.95rem;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}
.testimonial-quote-text {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--bk-navy-secondary);
    font-style: italic;
    min-height: 80px;
}
.testimonial-avatar-bubble {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, #142B45, #2563EB);
    color: #FFFFFF;
    font-weight: 800;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}
.carousel-nav-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    color: var(--bk-navy-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 4px 14px rgba(20, 43, 69, 0.08);
    transition: var(--bk-transition);
    cursor: pointer;
}
.carousel-nav-btn:hover {
    background: var(--bk-navy-primary);
    color: #FFFFFF;
    border-color: var(--bk-navy-primary);
    transform: scale(1.08);
}