/* ==========================================================================
   ARKANADEV CSS - DESAIN SISTEM PREMIUM DARK-MODE
   ========================================================================== */

/* Variabel Desain Sistem */
:root {
    --bg-primary: #0b0f19;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-card-hover: rgba(31, 41, 55, 0.85);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(99, 102, 241, 0.35);
    
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --color-primary: #6366f1; /* Indigo */
    --color-secondary: #a855f7; /* Purple */
    --color-accent: #f43f5e; /* Rose */
    --color-success: #10b981; /* Emerald */
    --color-whatsapp: #25d366; /* WA Green */
    
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    --gradient-glow: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(168, 85, 247, 0.15) 100%);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.25);
    
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: #1f2937;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* Tipografi & Grid Dasar */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: #ffffff;
    line-height: 1.25;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.text-center {
    text-align: center;
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Tombol-Tombol Premium */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.75rem;
    font-family: var(--font-heading);
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-normal);
    gap: 0.5rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6), var(--shadow-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: #ffffff;
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border-color: var(--color-primary);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
}

.btn-whatsapp {
    background-color: var(--color-whatsapp);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.4);
}

.btn-whatsapp:hover {
    background-color: #20ba56;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
}

.w-full {
    width: 100%;
}

/* Badge Efek Cahaya */
.badge {
    display: inline-flex;
    padding: 0.35rem 0.85rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50px;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.25);
    color: #a5b4fc;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.badge-success {
    background: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.25);
    color: #34d399;
}

/* Section Header */
.section-header {
    margin-bottom: 3.5rem;
}

.section-title {
    font-size: 2.25rem;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

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

/* ==========================================================================
   HEADER / STICKY NAV
   ========================================================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.25rem 0;
    transition: var(--transition-normal);
    border-bottom: 1px solid transparent;
}

.main-header.scrolled {
    padding: 0.85rem 0;
    background-color: rgba(11, 15, 25, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-color: var(--border-color);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.03em;
    color: #ffffff;
}

.logo-accent {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-list {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 0.25rem 0;
}

.nav-link:hover, .nav-link.active {
    color: #ffffff;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-normal);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Mobile Toggle Menu */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1100;
}

.mobile-menu-toggle .bar {
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-normal);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
    padding: 10rem 0 6rem;
    position: relative;
    overflow: hidden;
}

.hero-bg-glow {
    position: absolute;
    top: -10%;
    right: -10%;
    width: 50%;
    height: 60%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(168, 85, 247, 0.05) 50%, transparent 100%);
    z-index: 0;
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 550px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3.5rem;
}

.hero-stats {
    display: flex;
    gap: 2rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.stat-divider {
    width: 1px;
    background-color: var(--border-color);
}

/* Glass Showcase Mockup */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.glass-showcase {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: var(--radius-md);
    width: 100%;
    max-width: 440px;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    overflow: hidden;
    transition: var(--transition-slow);
}

.glass-showcase:hover {
    transform: translateY(-5px) rotate(1deg);
    border-color: var(--border-glow);
}

.showcase-header {
    background: rgba(0, 0, 0, 0.25);
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 6px;
    border-bottom: 1px solid var(--border-color);
}

.showcase-header .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.showcase-header .dot.red { background-color: var(--color-accent); }
.showcase-header .dot.yellow { background-color: #f59e0b; }
.showcase-header .dot.green { background-color: var(--color-success); }

.showcase-title {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-left: auto;
}

.showcase-body {
    padding: 1.5rem;
}

.showcase-chart-container {
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 1rem;
    margin-bottom: 1.25rem;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.25rem;
}

.showcase-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.showcase-value {
    font-size: 1.15rem;
    font-weight: 700;
}

.mockup-chart {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    height: 80px;
    gap: 8px;
    padding-top: 10px;
}

.chart-bar {
    width: 14%;
    height: var(--height);
    background: rgba(99, 102, 241, 0.25);
    border-radius: 4px;
    transition: var(--transition-slow);
}

.chart-bar.active {
    background: var(--gradient-primary);
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
}

.showcase-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.mini-card {
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.mini-card-icon {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.mini-card h5 {
    font-size: 0.8rem;
    font-weight: 600;
}

.mini-card p {
    font-size: 0.65rem;
    color: var(--text-secondary);
}

.floating-badge {
    position: absolute;
    background: rgba(17, 24, 39, 0.85);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 0.65rem 1.15rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: float 4s ease-in-out infinite;
}

.badge-1 {
    top: 15%;
    left: -10%;
    animation-delay: 0s;
}

.badge-2 {
    bottom: 15%;
    right: -10%;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ==========================================================================
   LAYANAN KAMI (SERVICES)
   ========================================================================== */
.services-section {
    padding: 6rem 0;
    background-color: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2.25rem 2rem;
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-normal);
}

.service-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-6px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-md), 0 10px 30px rgba(99, 102, 241, 0.05);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: #ffffff;
}

.icon-web { background: rgba(99, 102, 241, 0.15); color: #818cf8; }
.icon-pos { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }
.icon-android { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.icon-invitation { background: rgba(244, 63, 94, 0.15); color: #fb7185; }

.service-title {
    font-size: 1.35rem;
    margin-bottom: 0.85rem;
}

.service-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.service-features {
    margin-bottom: 1.75rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.25rem;
}

.service-features li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.service-features li::before {
    content: '✓';
    color: var(--color-success);
    font-weight: bold;
}

.service-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
}

.service-card:hover .service-link {
    color: var(--color-secondary);
}

/* ==========================================================================
   PORTFOLIO SECTION
   ========================================================================== */
.portfolio-section {
    padding: 6rem 0;
}

.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.5rem 1.25rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-normal);
}

.filter-btn:hover, .filter-btn.active {
    background: var(--gradient-primary);
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    display: none;
}

.portfolio-item.show {
    display: block;
    animation: fadeInScale 0.4s ease forwards;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.portfolio-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition-normal);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.portfolio-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.portfolio-img-container {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    background-color: rgba(255, 255, 255, 0.02);
}

.portfolio-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(11, 15, 25, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

.portfolio-card:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-zoom-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    box-shadow: 0 4px 10px rgba(99, 102, 241, 0.4);
    transform: translateY(10px);
    transition: var(--transition-normal);
}

.portfolio-card:hover .portfolio-zoom-btn {
    transform: translateY(0);
}

.portfolio-details {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.portfolio-category {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.portfolio-item-title {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

.portfolio-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ==========================================================================
   KALKULATOR BIAYA SECTION
   ========================================================================== */
.calculator-section {
    padding: 6rem 0;
    background-color: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.calculator-wrapper {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: start;
    margin-top: 2rem;
}

.calculator-form-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2.5rem;
}

.form-group {
    margin-bottom: 2.25rem;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-label {
    display: block;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 1.25rem;
    color: #ffffff;
}

/* Service Selector Grid */
.service-selector-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 1rem;
}

.selector-option {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 1.25rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    transition: var(--transition-normal);
    text-align: center;
}

.selector-option input[type="radio"] {
    display: none;
}

.selector-option:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(99, 102, 241, 0.4);
}

.selector-option.active {
    background: rgba(99, 102, 241, 0.08);
    border-color: var(--color-primary);
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.15);
}

.option-icon {
    font-size: 1.8rem;
}

.option-text {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.selector-option.active .option-text {
    color: #ffffff;
}

/* Checkbox Option List */
.features-checkbox-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.features-checkbox-list.hidden {
    display: none;
}

.checkbox-option {
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 1.15rem 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    cursor: pointer;
    transition: var(--transition-normal);
}

.checkbox-option:hover {
    background: rgba(255, 255, 255, 0.02);
    border-color: rgba(99, 102, 241, 0.3);
}

.checkbox-option input[type="checkbox"] {
    display: none;
}

.custom-checkbox {
    width: 20px;
    height: 20px;
    border: 2px solid var(--text-muted);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
    transition: var(--transition-fast);
}

.checkbox-option input[type="checkbox"]:checked + .custom-checkbox {
    background: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 0 8px rgba(99, 102, 241, 0.5);
}

.checkbox-option input[type="checkbox"]:checked + .custom-checkbox::after {
    content: '✓';
    color: #ffffff;
    font-size: 0.8rem;
    font-weight: bold;
}

.checkbox-details {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.checkbox-title {
    font-size: 0.95rem;
    font-weight: 600;
}

.checkbox-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Result Card */
.calculator-result-container {
    position: sticky;
    top: 6.5rem;
}

.result-glass-card {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.8) 0%, rgba(15, 23, 42, 0.95) 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: var(--radius-md);
    padding: 2.25rem 2rem;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.result-title {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.85rem;
}

.result-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.result-row strong {
    color: #ffffff;
}

.result-divider {
    border: 0;
    height: 1px;
    background: var(--border-color);
    margin: 1.5rem 0;
}

.total-price-section {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin-bottom: 1.5rem;
}

.total-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.total-value {
    font-size: 2.15rem;
    font-weight: 800;
    color: #ffffff;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.duration-section {
    background: rgba(99, 102, 241, 0.1);
    border: 1px dashed rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    margin-bottom: 2rem;
}

.duration-label {
    color: #a5b4fc;
}

.action-buttons-group {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.wa-icon {
    fill: currentColor;
}

.price-disclaimer {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 1.25rem;
    line-height: 1.4;
}

/* ==========================================================================
   TESTIMONIALS SECTION
   ========================================================================== */
.testimonials-section {
    padding: 6rem 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2.25rem 2rem;
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.testimonial-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    border-color: var(--border-glow);
}

.stars {
    color: #fbbf24;
    margin-bottom: 1.25rem;
    font-size: 1.1rem;
    letter-spacing: 2px;
}

.testimonial-quote {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.client-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.client-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    border: 1px solid var(--border-color);
}

.client-name {
    font-size: 0.9rem;
    font-weight: 700;
}

.client-role {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-section {
    padding: 6rem 0;
    background-color: var(--bg-secondary);
}

.contact-layout {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 4rem;
    align-items: center;
}

.contact-title {
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.contact-subtitle {
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.contact-details-list {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
    margin-bottom: 3rem;
}

.contact-detail-item {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
}

.contact-detail-item .icon {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--color-primary);
}

.contact-detail-item h5 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.contact-detail-item p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-btn {
    width: 38px;
    height: 38px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.social-btn:hover {
    background: var(--gradient-primary);
    color: #ffffff;
    border-color: transparent;
    transform: translateY(-3px);
}

/* Contact Form */
.form-glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
}

.form-title {
    font-size: 1.25rem;
    margin-bottom: 1.75rem;
}

.form-input-group {
    margin-bottom: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.input-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-input {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1.15rem;
    color: #ffffff;
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: var(--transition-fast);
    outline: none;
    width: 100%;
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-input:focus {
    border-color: var(--color-primary);
    background: rgba(0, 0, 0, 0.3);
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.15);
}

/* Select Styling Override */
select.form-input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1.15rem center;
    padding-right: 2.5rem;
}

/* Textarea styling */
.form-input.textarea {
    resize: vertical;
}

.error-msg {
    font-size: 0.75rem;
    color: var(--color-accent);
    display: none;
    margin-top: 0.25rem;
}

.form-input-group.invalid .form-input {
    border-color: var(--color-accent);
}

.form-input-group.invalid .error-msg {
    display: block;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.main-footer {
    padding: 5rem 0 2.5rem;
    border-top: 1px solid var(--border-color);
}

.footer-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    margin-bottom: 3.5rem;
}

.footer-brand-section {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
}

.footer-logo {
    font-size: 1.65rem;
}

.footer-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    max-width: 420px;
}

.footer-links-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.links-group-title {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
}

.links-group ul {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.links-group a {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.links-group a:hover {
    color: #ffffff;
    padding-left: 3px;
}

.footer-divider {
    border: 0;
    height: 1px;
    background: var(--border-color);
    margin-bottom: 2rem;
}

.copyright-text {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ==========================================================================
   FLOATING WHATSAPP WIDGET
   ========================================================================== */
.floating-wa-widget {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--color-whatsapp);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4), var(--shadow-glow);
    z-index: 999;
    transition: var(--transition-normal);
    animation: bounce 3s infinite;
}

.floating-wa-widget:hover {
    transform: scale(1.1);
    background-color: #20ba56;
}

.wa-widget-icon {
    fill: currentColor;
}

.wa-tooltip {
    position: absolute;
    right: 74px;
    top: 50%;
    transform: translateY(-50%) translateX(10px);
    background-color: rgba(17, 24, 39, 0.95);
    border: 1px solid var(--border-color);
    color: #ffffff;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.floating-wa-widget:hover .wa-tooltip {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* ==========================================================================
   MODAL POPUP SUCCESS
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-normal);
}

.modal-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.modal-box {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.95) 0%, rgba(15, 23, 42, 0.98) 100%);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-md);
    width: 90%;
    max-width: 480px;
    padding: 3rem 2.5rem;
    text-align: center;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    transform: scale(0.9);
    transition: var(--transition-normal);
}

.modal-overlay.open .modal-box {
    transform: scale(1);
}

.modal-success-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 1.5rem;
}

.modal-title {
    font-size: 1.5rem;
    margin-bottom: 0.85rem;
}

.modal-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

/* ==========================================================================
   RESPONSIVITAS (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 1024px) {
    html {
        font-size: 15px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-container {
        gap: 2rem;
    }
    
    .calculator-wrapper {
        grid-template-columns: 1fr;
    }
    
    .calculator-result-container {
        position: static;
    }
    
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    /* Navbar Collapse */
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: rgba(17, 24, 39, 0.98);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        z-index: 1050;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: var(--transition-slow);
        border-left: 1px solid var(--border-color);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: 2.5rem;
    }
    
    .nav-link {
        font-size: 1.25rem;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 4rem;
    }
    
    .hero-content {
        align-items: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
        width: 100%;
    }
    
    .hero-visual {
        margin-top: 2rem;
    }
    
    .form-row-2 {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.35rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .stat-divider {
        display: none;
    }
    
    .service-selector-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .calculator-form-container {
        padding: 1.5rem;
    }
    
    .result-glass-card {
        padding: 1.5rem;
    }
}

/* ==========================================================================
   ANIMASI INTERSECTION OBSERVER (ANIMASI SCROLL)
   ========================================================================== */
.fade-in-section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}