/* CSS Variables */
:root {
    --primary-color: #0a2463;
    --secondary-color: #247ba0;
    --accent-color: #f18f01;
    --light-bg: #f5f5f5;
    --text-color: #333;
    --text-light: #666;
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 5px 0;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 60px 0;
    min-height: 600px;
    display: flex;
    align-items: center;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero-content {
    flex: 1;
}

.hero-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--accent-color);
    color: white;
}

.btn-primary:hover {
    background-color: #d67a00;
    transform: translateY(-2px);
}

/* WhatsApp Button */
#whatsapp-form .btn-primary {
    background-color: #25D366;
}

#whatsapp-form .btn-primary:hover {
    background-color: #1FAB56;
}

.btn-trial {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

.btn-trial:hover {
    background-color: rgba(255,255,255,0.1);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Hero Image Slider Styles */
.hero-image {
    position: relative;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

.slider-container {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    padding-top: 90%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out, transform 1s ease-in-out;
    transform: scale(1.05);
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.slide.active {
    opacity: 1;
    transform: scale(1);
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
}

/* Navigasi Buttons */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(10, 36, 99, 0.7);
    color: white;
    border: none;
    padding: 15px;
    cursor: pointer;
    font-size: 1.2rem;
    border-radius: 50%;
    transition: background-color 0.3s ease, transform 0.3s ease;
    z-index: 10;
}

.slider-btn:hover {
    background-color: var(--primary-color);
    transform: translateY(-50%) scale(1.1);
}

.prev-btn {
    left: 15px;
}

.next-btn {
    right: 15px;
}

/* Dots Indicators */
.slider-dots {
    text-align: center;
    padding: 15px 0;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 10;
}

.dot {
    display: inline-block;
    height: 12px;
    width: 12px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    margin: 0 5px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.dot.active,
.dot:hover {
    background-color: #fff;
    transform: scale(1.2);
}

/* Section Styling */
.section-bg {
    background-color: var(--light-bg);
    padding: 60px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 15px;
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--text-light);
}

/* Steps Container */
.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.step-card {
    position: relative;
    background: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    background-color: var(--accent-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.step-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin: 20px 0 15px;
}

.step-card h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.step-card p {
    color: var(--text-light);
}

/* Advanced Features Section */
.advanced-features {
    padding: 60px 0;
    background: white;
}

.advanced-features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 40px;
}

.advanced-feature-item {
    display: flex;
    gap: 25px;
    align-items: flex-start;
    padding: 25px 0;
    border-bottom: 1px solid #e0e0e0;
}

.advanced-feature-item:last-child {
    border-bottom: none;
}

.feature-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
    min-width: 70px;
    line-height: 1;
    opacity: 0.3;
}

.feature-content h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.feature-content p {
    color: var(--text-light);
    line-height: 1.7;
}

/* How It Works Section */
.how-it-works {
    padding: 60px 0;
    background: white;
}

/* Order Section */
.order {
    background: linear-gradient(135deg, #f18f01, #ff9f1c);
    color: white;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.order::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 36, 99, 0.15);
    z-index: 0;
}

.order-container {
    max-width: 600px;
    position: relative;
    z-index: 1;
}

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

.order-content .section-title {
    color: white;
}

.order-content .section-subtitle {
    color: rgba(255, 255, 255, 0.95);
}

.order-form {
    background: rgba(255,255,255,0.1);
    padding: 30px;
    border-radius: 10px;
    margin-top: 30px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
}

.form-group textarea {
    resize: vertical;
}

/* Footer */
.footer {
    background-color: #1a1a1a;
    color: white;
    padding: 30px 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.footer-logo {
    font-size: 1.3rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.reveal.show {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        gap: 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-item {
        padding: 15px 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }
    
    .hero-container {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .order-container {
        max-width: 100%;
    }
    
    .advanced-features-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .slider-btn {
        padding: 10px;
        font-size: 1rem;
    }
    
    .prev-btn {
        left: 10px;
    }
    
    .next-btn {
        right: 10px;
    }
    
    .slider-container {
        padding-top: 100%;
    }
}