/* General Body Styles */
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Navbar */
.landing-header {
    background-color: #ffffff; /* Solid white background */
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: box-shadow 0.3s ease;
}

.landing-header.scrolled {
    box-shadow: var(--shadow-md);
}

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

.nav-logo {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-dark);
    text-decoration: none;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    transition: color 0.3s ease;
}

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

.nav-cta .btn {
    text-decoration: none;
}

/* Hero Section */
.hero-section {
    position: relative;
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../assets/Citylights-background.jpeg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: #ffffff;
    padding: 10rem 0 8rem 0;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80vh;
}

.hero-content {
    max-width: 800px;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

.btn {
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* Section General Styling */
.section {
    padding: 6rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.section-title p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
    color: var(--text-secondary);
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.feature-card .icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    display: inline-block;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

/* How-To Section - Horizontal Flow */
#panduan {
    background-color: var(--bg-secondary);
}

.how-to-flow-container {
    display: flex;
    justify-content: space-between;
    position: relative;
    padding: 2rem 0;
}

/* The connecting line */
.how-to-flow-container::before {
    content: '';
    position: absolute;
    top: 50px; /* Position it vertically centered with the step number */
    left: 12%;
    right: 12%;
    height: 4px;
    background-color: #e9ecef;
    z-index: 1;
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 24%;
    position: relative;
    z-index: 2;
}

.flow-step .step-number {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    border: 4px solid #e9ecef;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-muted);
    transition: all 0.4s ease;
    margin-bottom: 1.5rem;
}

.flow-step .step-icon {
    font-size: 2rem; /* Icon inside the number circle */
    color: var(--primary-color);
}

.flow-step h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.flow-step p {
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Hover and Active states */
.flow-step:hover .step-number {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

@media (max-width: 992px) {
    .how-to-flow-container {
        flex-direction: column;
        gap: 3rem;
    }
    .how-to-flow-container::before {
        left: 50px;
        right: auto;
        top: 5%;
        bottom: 5%;
        width: 4px;
        height: auto;
    }
    .flow-step {
        width: 100%;
        flex-direction: row;
        text-align: left;
        align-items: flex-start;
        gap: 2rem;
    }
    .flow-step .step-number {
        width: 80px;
        height: 80px;
        font-size: 2rem;
        margin-bottom: 0;
        flex-shrink: 0;
    }
}

@media (max-width: 768px) {
    .how-to-flow-container::before {
        left: 40px;
    }
}

/* Footer */
.landing-footer {
    background-color: var(--bg-dark);
    color: #e2e8f0;
    padding: 4rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
}

.footer-links a {
    color: #e2e8f0;
    text-decoration: none;
    margin-left: 1.5rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-color);
}

.footer-copyright {
    text-align: center;
    padding-top: 3rem;
    border-top: 1px solid #4a5568;
    margin-top: 3rem;
    color: #a0aec0;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* Hide on mobile for simplicity, can be replaced with a burger menu */
    }
    .hero-content h1 {
        font-size: 2.5rem;
    }
    .how-to-step {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .how-to-step:nth-child(even) .how-to-image {
        order: 0;
    }
    .how-to-image {
        height: 300px;
        font-size: 6rem;
    }
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    .footer-links a {
        margin: 0 0.5rem;
    }
}