/* ==========================================================================
   FAZA WEB PREMIUM STYLESHEET
   Author: Antigravity AI
   Aesthetics: Clean, Premium, High-Trust, Jargon-free, Mobile-first Responsive
   ========================================================================== */

/* --- Font & Variables System --- */
:root {
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    /* Color Tokens (HSL) */
    --primary: hsl(221, 83%, 53%);
    --primary-light: hsl(221, 100%, 96%);
    --primary-dark: hsl(221, 83%, 40%);
    --primary-glow: hsla(221, 83%, 53%, 0.15);
    
    --secondary: hsl(215, 30%, 18%);
    --secondary-light: hsl(215, 20%, 40%);
    
    --accent-wa: hsl(145, 80%, 42%);
    --accent-wa-glow: hsla(145, 80%, 42%, 0.15);
    --accent-wa-dark: hsl(145, 80%, 35%);

    --accent-gold: hsl(38, 95%, 55%);
    --accent-gold-light: hsl(38, 95%, 96%);
    
    --bg-page: hsl(220, 30%, 98%);
    --bg-card: hsl(0, 0%, 100%);
    --border-color: hsl(220, 20%, 90%);
    --border-glow: hsla(221, 83%, 53%, 0.25);
    
    --text-main: hsl(215, 30%, 15%);
    --text-muted: hsl(215, 15%, 45%);
    --text-white: hsl(0, 0%, 100%);
    
    /* Shadows & Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 12px 30px rgba(36, 100, 235, 0.06);
    --shadow-lg: 0 20px 50px rgba(36, 100, 235, 0.12);
    --shadow-glow: 0 10px 30px hsla(221, 83%, 53%, 0.35);
    
    --transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* --- Base & Resets --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-main);
    background-color: var(--bg-page);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 92%; /* Margin kiri & kanan otomatis 4% pada HP */
    max-width: 1440px; /* Maksimal lebar proporsional untuk laptop wide */
    margin: 0 auto;
    padding: 0;
}

@media (min-width: 768px) {
    .container {
        width: 90%; /* Margin 5% pada layar tablet */
    }
}

@media (min-width: 1200px) {
    .container {
        width: 85%; /* Margin 7.5% pada laptop Full HD ke atas untuk visual yang konsisten */
    }
}

/* --- Typography Helpers --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--secondary);
    font-weight: 700;
    line-height: 1.25;
}

span.logo-text, .hero-title span, .section-header h2 span, .contact-info h2 span, .faq-section h2 span {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

p {
    color: var(--text-muted);
}

/* --- Buttons System --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 600;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    border: none;
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--text-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background-color: var(--accent-wa);
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background-color: var(--accent-wa-dark);
    transform: translateY(-3px);
    box-shadow: var(--accent-wa-glow);
}

.btn-glass {
    background: rgba(255, 255, 255, 0.7);
    color: var(--secondary);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: var(--shadow-sm);
}

.btn-glass:hover {
    background: var(--secondary);
    color: var(--text-white);
}

.btn-large {
    padding: 16px 36px;
    font-size: 16px;
    border-radius: var(--radius-md);
}

.btn-full {
    width: 100%;
}

/* --- Section Header Helper --- */
.text-center {
    text-align: center;
}

.section-header {
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 38px;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 18px;
    max-width: 700px;
    margin: 0 auto;
}

/* --- Header / Navbar --- */
.main-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
    transition: var(--transition);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-icon {
    font-size: 26px;
    color: var(--primary);
    animation: pulse 3s infinite alternate;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    color: var(--secondary);
}

.logo-text span {
    font-weight: 400;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-link {
    text-decoration: none;
    color: var(--secondary-light);
    font-family: var(--font-heading);
    font-weight: 550;
    font-size: 15px;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary);
}

.nav-cta {
    padding: 10px 22px;
    font-size: 14px;
}

/* --- Hero Section --- */
.hero-section {
    position: relative;
    padding: 40px 0 40px 0; /* Mengurangi padding atas dari 100px ke 40px dan padding bawah ke 40px */
    background-color: var(--bg-page);
    overflow: hidden;
}

.hero-bg-gradients {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1;
}

.gradient-sphere {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.45;
}

.blob-1 {
    top: -100px;
    right: -100px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--primary) 0%, rgba(255,255,255,0) 70%);
}

.blob-2 {
    bottom: -150px;
    left: -150px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(36, 100, 235, 0.35) 0%, rgba(255,255,255,0) 70%);
}

.hero-container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

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

.hero-tagline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--primary);
    background-color: var(--primary-light);
    padding: 8px 16px;
    border-radius: 100px;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 54px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1.5px;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 19px;
    line-height: 1.6;
    margin-bottom: 36px;
    max-width: 540px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
    width: 100%;
}

.hero-features-badge {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.badge-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 600;
    color: var(--secondary);
}

.badge-item i {
    color: var(--accent-wa);
    font-size: 16px;
}

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

.main-mockup {
    width: 100%;
    max-width: 460px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transform: perspective(1000px) rotateY(-8deg) rotateX(4deg);
    transition: var(--transition);
}

.main-mockup:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.mockup-header {
    background: #f1f3f7;
    border-bottom: 1px solid var(--border-color);
    padding: 12px 18px;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.mockup-url {
    margin-left: 20px;
    flex-grow: 1;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    font-size: 11px;
    padding: 4px 12px;
    color: var(--text-muted);
    font-family: var(--font-body);
    display: flex;
    align-items: center;
    gap: 6px;
}

.mockup-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background-color: #fafbfc;
}

.skeleton-banner {
    background: linear-gradient(135deg, hsl(221, 83%, 58%) 0%, var(--primary) 100%);
    border-radius: var(--radius-md);
    padding: 24px;
    color: var(--text-white);
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
}

.skeleton-banner h3 {
    color: var(--text-white);
    font-size: 18px;
}

.skeleton-banner p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 11px;
}

.skeleton-btn {
    font-size: 10px;
    background: var(--text-white);
    color: var(--primary);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-weight: 700;
}

.skeleton-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.skeleton-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.card-img-placeholder {
    height: 70px;
    background: var(--bg-page);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary);
}

.card-line {
    height: 6px;
    background: #e2e8f0;
    border-radius: 10px;
}

.card-line.long { width: 80%; }
.card-line.short { width: 50%; }

/* Floating Badges */
.visual-badge {
    position: absolute;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    padding: 12px 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 3;
    animation: float 4s ease-in-out infinite;
}

.floating-badge-1 {
    top: 40px;
    left: -20px;
}

.floating-badge-2 {
    bottom: 30px;
    right: -20px;
    animation-delay: 2s;
}

.badge-icon {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.badge-icon.green-icon {
    background-color: var(--accent-wa-glow);
    color: var(--accent-wa);
}

.badge-text h4 {
    font-size: 13px;
    margin-bottom: 2px;
}

.badge-text p {
    font-size: 11px;
}

/* --- Dynamic Tabs Section --- */
.tab-section {
    padding: 50px 0 80px 0; /* Mengurangi padding atas tab dari 90px ke 50px */
    background-color: var(--bg-card);
    border-top: 1px solid var(--border-color);
}

.tabs-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 30px; /* Mengurangi jarak bawah tombol tab ke konten dari 50px ke 30px */
}

.tabs-navigation {
    display: inline-flex;
    background-color: var(--bg-page);
    padding: 8px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    gap: 6px;
    width: 100%;
    max-width: 780px;
}

.tab-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 20px;
    border: none;
    outline: none;
    background: transparent;
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 600;
    color: var(--text-muted);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn i {
    font-size: 16px;
}

.tab-btn:hover {
    color: var(--primary);
}

.tab-btn.active {
    background: var(--bg-card);
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

/* Tab Panels Handling */
.tabs-content {
    position: relative;
    min-height: 400px;
}

.tab-panel {
    display: none;
    opacity: 0;
    transform: translateY(15px);
}

.tab-panel.active {
    display: block !important;
    opacity: 1 !important;
    transform: translateY(0) !important;
    animation: fadeInTab 0.4s ease forwards;
}

@keyframes fadeInTab {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Tab Panel 1: Pricing System --- */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.pricing-card {
    background: var(--bg-page);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: var(--transition);
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-glow);
}

.pricing-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background-color: #e2e8f0;
    color: var(--secondary-light);
    padding: 4px 12px;
    border-radius: 100px;
}

.pricing-card.recommended {
    background: var(--bg-card);
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-md);
}

.pricing-card.recommended:hover {
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.pricing-card.recommended .pricing-badge.recommended-badge {
    background: linear-gradient(135deg, var(--accent-gold) 0%, #d97706 100%);
    color: var(--text-white);
}

.pricing-header {
    margin-bottom: 24px;
}

.pricing-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    background-color: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 20px;
}

.recommended .pricing-icon {
    background-color: var(--primary);
    color: var(--text-white);
}

.pricing-header h3 {
    font-size: 21px;
    margin-bottom: 8px;
}

.pricing-header p {
    font-size: 13px;
    line-height: 1.5;
}

.pricing-price {
    margin-bottom: 28px;
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.price-val {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 800;
    color: var(--secondary);
}

.price-period {
    font-size: 13px;
    color: var(--text-muted);
}

.pricing-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 40px;
    flex-grow: 1;
}

.pricing-features li {
    font-size: 14px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--secondary-light);
}

.pricing-features li i {
    color: var(--accent-wa);
    font-size: 15px;
    margin-top: 3px;
}

/* --- Wow Feature: Custom Calculator --- */
.custom-calculator {
    background: var(--bg-page);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 50px 40px;
    margin-top: 60px;
}

.calc-header {
    max-width: 600px;
    margin: 0 auto 40px auto;
}

.calc-header h3 {
    font-size: 26px;
    margin-bottom: 12px;
}

.calc-header h3 i {
    color: var(--primary);
}

.calc-body-wrapper {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: start;
}

.calc-group {
    margin-bottom: 30px;
}

.calc-group h5 {
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--secondary-light);
    margin-bottom: 16px;
    border-left: 3px solid var(--primary);
    padding-left: 10px;
}

.calc-radio-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.calc-option-card {
    display: flex;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 16px 20px;
    border-radius: var(--radius-md);
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

.calc-option-card:hover {
    border-color: var(--primary-glow);
    background-color: var(--primary-light);
}

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

.checkmark {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    margin-right: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.calc-option-card input[type="radio"]:checked ~ .checkmark {
    border-color: var(--primary);
}

.calc-option-card input[type="radio"]:checked ~ .checkmark::after {
    content: '';
    width: 10px;
    height: 10px;
    background-color: var(--primary);
    border-radius: 50%;
}

.calc-option-card input[type="radio"]:checked {
    border-color: var(--primary);
}

.option-details {
    display: flex;
    flex-direction: column;
}

.option-details strong {
    font-family: var(--font-heading);
    font-size: 15px;
    color: var(--secondary);
}

.option-details span {
    font-size: 12px;
    color: var(--text-muted);
}

/* Custom Checkbox Grid */
.calc-checkbox-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

.checkbox-option {
    display: flex;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 16px 20px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.checkbox-option:hover {
    border-color: var(--primary-glow);
    background-color: var(--primary-light);
}

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

.checkbox-box {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    border: 2px solid var(--border-color);
    margin-right: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.checkbox-option input[type="checkbox"]:checked ~ .checkbox-box {
    background-color: var(--primary);
    border-color: var(--primary);
}

.checkbox-option input[type="checkbox"]:checked ~ .checkbox-box::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--text-white);
    font-size: 10px;
}

.option-text {
    font-size: 14px;
    font-weight: 550;
    color: var(--secondary-light);
}

/* Calculator Summary */
.calc-summary-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 100px;
}

.calc-summary-card h4 {
    font-size: 17px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.summary-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
    min-height: 80px;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-muted);
}

.summary-item strong {
    color: var(--secondary);
    max-width: 170px;
}

.summary-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 20px 0;
}

.summary-total span:first-child {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--secondary);
}

.total-price {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 800;
    color: var(--primary);
}

.summary-notes {
    font-size: 11px;
    margin-bottom: 24px;
}

/* --- Tab Panel 2: Cara Kerja --- */
.steps-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 50px;
}

.step-card {
    background: var(--bg-page);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    position: relative;
    transition: var(--transition);
}

.step-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-glow);
    background-color: var(--bg-card);
    box-shadow: var(--shadow-md);
}

.step-num {
    position: absolute;
    top: -15px;
    left: 24px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--secondary);
    color: var(--text-white);
    font-family: var(--font-heading);
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.step-card:hover .step-num {
    background-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.step-icon {
    font-size: 28px;
    color: var(--primary);
    margin-bottom: 16px;
}

.step-card h3 {
    font-size: 17px;
    margin-bottom: 10px;
}

.step-card p {
    font-size: 13px;
    line-height: 1.5;
}

.cara-kerja-cta {
    background: linear-gradient(135deg, var(--secondary) 0%, hsl(215, 30%, 10%) 100%);
    border-radius: var(--radius-xl);
    padding: 40px;
    color: var(--text-white);
}

.cara-kerja-cta h3 {
    color: var(--text-white);
    font-size: 24px;
    margin-bottom: 12px;
}

.cara-kerja-cta p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 24px;
    font-size: 15px;
}

/* --- Tab Panel 3: Kenapa Kami? --- */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.benefit-box {
    background: var(--bg-page);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px 30px;
    transition: var(--transition);
}

.benefit-box:hover {
    background-color: var(--bg-card);
    border-color: var(--primary-glow);
    box-shadow: var(--shadow-md);
    transform: scale(1.02);
}

.benefit-icon {
    font-size: 32px;
    color: var(--primary);
    margin-bottom: 20px;
}

.benefit-box h3 {
    font-size: 18px;
    margin-bottom: 12px;
}

.benefit-box p {
    font-size: 14px;
    line-height: 1.6;
}

/* --- Tab Panel 4: Portofolio --- */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.portfolio-item {
    display: block;
    text-decoration: none;
    background: var(--bg-page);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.portfolio-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-glow);
}

.portfolio-img {
    height: 220px;
    background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e1 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.item-placeholder-icon {
    font-size: 54px;
    color: var(--secondary-light);
    opacity: 0.45;
    transition: var(--transition);
}

.portfolio-item:hover .item-placeholder-icon {
    transform: scale(1.2);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(36, 100, 235, 0.92);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 30px;
    opacity: 0;
    transition: var(--transition);
}

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

.portfolio-tag {
    align-self: flex-start;
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    background: var(--text-white);
    color: var(--primary);
    padding: 4px 10px;
    border-radius: 100px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.portfolio-overlay h4 {
    color: var(--text-white);
    font-size: 19px;
    margin-bottom: 8px;
}

.portfolio-overlay p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 12px;
    line-height: 1.5;
}

.portfolio-info {
    padding: 20px 24px;
}

.portfolio-info h4 {
    font-size: 16px;
    margin-bottom: 4px;
}

.portfolio-info p {
    font-size: 12px;
    margin-bottom: 12px;
}

.p-type {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 700;
    color: var(--secondary-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.p-type i {
    font-size: 6px;
    color: var(--primary);
}

/* --- FAQ Section --- */
.faq-section {
    padding: 90px 0;
    background-color: var(--bg-page);
    border-top: 1px solid var(--border-color);
}

.faq-container {
    max-width: 800px;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--primary-glow);
}

.faq-question {
    padding: 22px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.faq-question h3 {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
    padding-right: 15px;
}

.faq-icon {
    font-size: 14px;
    color: var(--secondary-light);
    transition: var(--transition);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 28px;
    background: #fafbfc;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-answer p {
    font-size: 14px;
    line-height: 1.6;
    padding-bottom: 24px;
}

/* FAQ Active Styles */
.faq-item.active {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
    color: var(--primary);
}

.faq-item.active .faq-answer {
    max-height: 1000px; /* arbitrary high number */
    padding-top: 12px;
}

/* --- Contact Form Section --- */
.contact-section {
    padding: 90px 0;
    background: linear-gradient(135deg, var(--secondary) 0%, hsl(215, 30%, 8%) 100%);
    color: var(--text-white);
    position: relative;
    overflow: hidden;
}

.contact-section h2 {
    color: var(--text-white);
}

.contact-container {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.contact-info h2 {
    font-size: 38px;
    font-weight: 800;
    margin-bottom: 20px;
}

.contact-info p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 16px;
    margin-bottom: 32px;
}

.contact-benefits {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.cb-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 600;
}

.cb-item i {
    color: var(--primary-light);
    font-size: 16px;
}

.contact-form-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.25);
}

.contact-form-card h3 {
    color: var(--text-white);
    font-size: 21px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-form-card h3 i {
    color: var(--primary-light);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-family: var(--font-heading);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 8px;
}

.form-group input, 
.form-group textarea,
.form-group select {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 12px 18px;
    border-radius: var(--radius-md);
    color: var(--text-white);
    font-family: var(--font-body);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
}

.form-group select {
    appearance: none;
    cursor: pointer;
}

.select-wrapper {
    position: relative;
}

.select-wrapper::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 12px;
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.5);
    pointer-events: none;
}

.form-group input::placeholder, 
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

.form-group input:focus, 
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--text-white);
    background: rgba(255, 255, 255, 0.1);
}

.form-group option {
    background-color: var(--secondary);
    color: var(--text-white);
}

.submit-btn {
    margin-top: 10px;
    font-size: 15px;
}

/* --- Footer --- */
.main-footer {
    background-color: var(--secondary);
    color: var(--text-white);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 80px 0 0 0;
}

.footer-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1fr;
    gap: 60px;
    margin-bottom: 50px;
}

.footer-about p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    margin: 20px 0;
}

.social-icons {
    display: flex;
    gap: 12px;
}

.social-icons a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-white);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    text-decoration: none;
    transition: var(--transition);
}

.social-icons a:hover {
    background-color: var(--primary);
    transform: translateY(-2px);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 16px;
    color: var(--text-white);
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 8px;
}

.footer-links h4::after,
.footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--primary);
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-light);
    padding-left: 5px;
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.footer-contact p i {
    color: var(--primary);
    font-size: 16px;
    margin-top: 3px;
}

.footer-reassurance {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--accent-wa);
    background-color: rgba(34, 197, 94, 0.1);
    padding: 6px 14px;
    border-radius: 100px;
    margin-top: 16px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 24px 0;
    text-align: center;
}

.bottom-container p {
    color: rgba(255, 255, 255, 0.45);
    font-size: 12px;
}

/* --- KEYFRAME ANIMATIONS --- */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.05); opacity: 0.85; }
}

/* --- RESPONSIVE MEDIA QUERIES (MOBILE OPTIMIZATIONS) --- */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }
    .hero-content {
        align-items: center;
    }
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-features-badge {
        justify-content: center;
    }
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 450px;
        margin: 0 auto 50px auto;
    }
    .calc-body-wrapper {
        grid-template-columns: 1fr;
    }
    .calc-summary-card {
        position: static;
    }
    .steps-container {
        grid-template-columns: repeat(2, 1fr);
    }
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .portfolio-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
    .contact-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links, .nav-cta {
        display: none; /* simple mobile nav override */
    }
    .hero-title {
        font-size: 38px;
    }
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    .hero-buttons .btn {
        width: 100%;
    }
    .section-header h2 {
        font-size: 28px;
    }
    .tabs-navigation {
        flex-direction: column;
        border-radius: var(--radius-md);
    }
    .tab-btn {
        width: 100%;
        padding: 12px;
    }
    .steps-container {
        grid-template-columns: 1fr;
    }
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    .custom-calculator {
        padding: 30px 20px;
    }
    .contact-form-card {
        padding: 24px;
    }
}

/* --- Floating Chatbox Component Styles --- */
.chatbox-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 9999;
    font-family: var(--font-body);
}

.chatbox-trigger {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--text-white);
    border: none;
    outline: none;
    cursor: pointer;
    box-shadow: 0 10px 25px rgba(36, 100, 235, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    transition: var(--transition);
    position: relative;
}

.chatbox-trigger:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 30px rgba(36, 100, 235, 0.6);
}

.chatbox-notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: #ef4444;
    color: white;
    font-size: 11px;
    font-weight: 700;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--bg-card);
    animation: pulse 2s infinite;
}

.chatbox-window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 360px;
    height: 500px;
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    transform: scale(0.9) translateY(20px);
    pointer-events: none;
    transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.chatbox-window.active {
    opacity: 1;
    transform: scale(1) translateY(0);
    pointer-events: auto;
}

.chatbox-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 16px 20px;
    color: var(--text-white);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chatbox-agent-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chatbox-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    position: relative;
}

.chatbox-status-dot {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 10px;
    height: 10px;
    background-color: #22c55e;
    border-radius: 50%;
    border: 2px solid var(--primary-dark);
}

.chatbox-agent-info h4 {
    color: var(--text-white);
    font-size: 15px;
    font-weight: 600;
}

.chatbox-agent-info p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 11px;
}

.chatbox-close-btn {
    background: none;
    border: none;
    color: var(--text-white);
    font-size: 24px;
    cursor: pointer;
    opacity: 0.8;
    transition: var(--transition);
}

.chatbox-close-btn:hover {
    opacity: 1;
}

.chatbox-messages {
    flex-grow: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
    background-color: #fafbfc;
}

.chatbox-message {
    max-width: 80%;
    display: flex;
    flex-direction: column;
}

.chatbox-message.agent {
    align-self: flex-start;
}

.chatbox-message.user {
    align-self: flex-end;
}

.chatbox-message-content {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 13.5px;
    line-height: 1.5;
}

.chatbox-message.agent .chatbox-message-content {
    background-color: var(--bg-card);
    color: var(--text-main);
    border-bottom-left-radius: 4px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.chatbox-message.user .chatbox-message-content {
    background-color: var(--primary);
    color: var(--text-white);
    border-bottom-right-radius: 4px;
    box-shadow: 0 4px 10px rgba(36, 100, 235, 0.2);
}

.chatbox-message-options {
    margin-top: 8px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.chatbox-option-btn {
    background-color: var(--primary-light);
    color: var(--primary);
    border: 1px solid rgba(36, 100, 235, 0.15);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
}

.chatbox-option-btn:hover {
    background-color: var(--primary);
    color: var(--text-white);
}

.chatbox-typing {
    display: none;
    align-self: flex-start;
    padding: 12px 16px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    border-bottom-left-radius: 4px;
    margin-left: 20px;
    margin-bottom: 10px;
}

.chatbox-typing span {
    height: 8px;
    width: 8px;
    float: left;
    margin: 0 2px;
    background-color: var(--text-muted);
    border-radius: 50%;
    opacity: 0.4;
}

.chatbox-typing span:nth-of-type(1) { animation: blink 1s infinite 0.3333s; }
.chatbox-typing span:nth-of-type(2) { animation: blink 1s infinite 0.6666s; }
.chatbox-typing span:nth-of-type(3) { animation: blink 1s infinite 0.9999s; }

.chatbox-input-area {
    padding: 12px 16px;
    background-color: var(--bg-card);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.chatbox-input-area input {
    flex-grow: 1;
    border: 1px solid var(--border-color);
    background-color: var(--bg-page);
    padding: 10px 14px;
    border-radius: 100px;
    outline: none;
    font-size: 13px;
    transition: var(--transition);
}

.chatbox-input-area input:focus {
    border-color: var(--primary);
    background-color: var(--bg-card);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.chatbox-send-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--primary-light);
    color: var(--primary);
    border: none;
    outline: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: var(--transition);
}

.chatbox-send-btn:hover {
    background-color: var(--primary);
    color: var(--text-white);
}

@keyframes blink {
    50% { opacity: 1; }
}

@media (max-width: 480px) {
    .chatbox-window {
        width: calc(100vw - 40px);
        height: calc(100vh - 120px);
        bottom: 70px;
        right: -10px;
    }
    .chatbox-container {
        bottom: 20px;
        right: 20px;
    }
}