/* General Styling */
:root {
    --primary-color: #2563EB; /* Biru */
    --secondary-color: #F59E0B; /* Kuning/Oranye */
    --dark-color: #1E293B; /* Abu-abu tua */
    --light-color: #F8FAFC;
    --gray-color: #64748B;
    --white-color: #FFFFFF;
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-secondary);
    line-height: 1.6;
    color: var(--dark-color);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: 2.8rem; }
h2 { font-size: 2.2rem; margin-bottom: 2rem; text-align: center; }
h3 { font-size: 1.5rem; }

p {
    margin-bottom: 1rem;
    color: var(--gray-color);
}

a {
    text-decoration: none;
    color: var(--primary-color);
}

ul { list-style: none; }

img { max-width: 100%; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    font-family: var(--font-primary);
    font-weight: 600;
    text-align: center;
    transition: transform 0.3s, background-color 0.3s;
}

.btn:hover {
    transform: translateY(-3px);
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white-color);
    border: 2px solid var(--primary-color);
}
.btn-primary:hover {
    background-color: #1D4ED8;
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}
.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--white-color);
}

.btn-large {
    padding: 16px 36px;
    font-size: 1.1rem;
}


/* Header & Nav */
header {
    background: var(--white-color);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-family: var(--font-primary);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

.nav-links a {
    color: var(--dark-color);
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Hero Section */
#hero {
    padding: 60px 0;
    background-color: #E9F5FF;
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.hero-text {
    flex: 1;
}

.hero-text .cta-note {
    display: block;
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--gray-color);
}

.hero-image {
    flex: 1;
    text-align: center;
}

/* Social Proof */
#social-proof {
    padding: 2rem 0;
    background-color: var(--light-color);
    text-align: center;
}
#social-proof p {
    font-weight: 600;
    color: var(--gray-color);
    margin-bottom: 1rem;
}
.logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
}

/* Features Section */
#fitur { padding: 80px 0; }

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

.feature-card {
    background: var(--white-color);
    padding: 2.5rem 2rem;
    text-align: center;
    border-radius: 12px;
    box-shadow: 0 4px 25px rgba(0,0,0,0.07);
    transition: transform 0.3s;
}
.feature-card:hover {
    transform: translateY(-10px);
}
.feature-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}
.feature-card h3 {
    margin-bottom: 0.5rem;
}

/* How It Works Section */
#how-it-works { padding: 80px 0; background-color: var(--light-color); }
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}
.timeline::after { /* The line */
    content: '';
    position: absolute;
    width: 4px;
    background-color: var(--primary-color);
    opacity: 0.2;
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -2px;
}
.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
}
.timeline-item:nth-child(odd) { left: 0; }
.timeline-item:nth-child(even) { left: 50%; text-align: right; }
.timeline-item:nth-child(even) .timeline-content { align-items: flex-end; }

.timeline-content {
    padding: 20px;
    background-color: var(--white-color);
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
}
.timeline-content h3 { color: var(--primary-color); }
.timeline-icon {
    position: absolute;
    top: 30px;
    width: 50px;
    height: 50px;
    background: var(--white-color);
    border: 4px solid var(--primary-color);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
    font-size: 1.5rem;
    color: var(--primary-color);
}
.timeline-item:nth-child(odd) .timeline-icon { right: -25px; }
.timeline-item:nth-child(even) .timeline-icon { left: -25px; }


/* Testimonials */
#testimoni { padding: 80px 0; }
.testimonial-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}
.testimonial-card {
    background-color: #E9F5FF;
    padding: 2rem;
    border-radius: 12px;
    border-left: 5px solid var(--primary-color);
}
.testimonial-card p {
    font-style: italic;
    color: var(--dark-color);
}
.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1.5rem;
}
.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
}
.testimonial-author h4 { margin-bottom: 0.2rem; }
.testimonial-author span { color: var(--gray-color); }

/* Coming Soon */
#coming-soon { padding: 60px 0; background-color: var(--dark-color); color: var(--white-color); }
.coming-soon-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
#coming-soon h2, #coming-soon p { color: var(--white-color); }
#coming-soon h2 { text-align: left; }
.coming-soon-icons {
    display: flex;
    gap: 2rem;
    font-size: 1.5rem;
    font-family: var(--font-primary);
}
.coming-soon-icons i { color: var(--secondary-color); margin-right: 0.5rem; }


/* Final CTA */
#final-cta {
    padding: 80px 0;
    text-align: center;
    background-color: var(--primary-color);
    color: var(--white-color);
}
#final-cta h2, #final-cta p {
    color: var(--white-color);
}
#final-cta .btn-primary {
    background-color: var(--white-color);
    color: var(--primary-color);
    border-color: var(--white-color);
}
#final-cta .btn-primary:hover {
    background-color: #f0f0f0;
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: #A0AEC0;
    padding: 60px 0 20px 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}
.footer-col h3, .footer-col h4 {
    color: var(--white-color);
    margin-bottom: 1rem;
}
.footer-col ul li {
    margin-bottom: 0.7rem;
}
.footer-col a {
    color: #A0AEC0;
    transition: color 0.3s;
}
.footer-col a:hover {
    color: var(--white-color);
}
.social-links a {
    margin-right: 1rem;
    font-size: 1.5rem;
}
.footer-bottom {
    text-align: center;
    border-top: 1px solid #4A5568;
    padding-top: 1.5rem;
}
.footer-bottom p {
    color: #A0AEC0;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.8rem; }
    .nav-links { display: none; } /* Simplifikasi untuk mobile, bisa ditambah menu hamburger */
    .hero-content { flex-direction: column; text-align: center; }
    .hero-text { margin-bottom: 2rem; }
    .testimonial-grid { grid-template-columns: 1fr; }
    .timeline::after { left: 25px; }
    .timeline-item { width: 100%; padding-left: 70px; padding-right: 20px; }
    .timeline-item:nth-child(even) { left: 0; text-align: left; }
    .timeline-item:nth-child(even) .timeline-content { align-items: flex-start; }
    .timeline-icon { left: 0; }
    .coming-soon-content { flex-direction: column; text-align: center; }
    .coming-soon-icons { margin-top: 2rem; }
}