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

:root {
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --dark-color: #0f172a;
    --light-color: #f8fafc;
    --text-muted: #64748b;
    --bg-gradient: linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);
}

html {
    scroll-behavior: smooth;
    font-family: 'Inter', sans-serif;
    color: var(--dark-color);
    background-color: #ffffff;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 22px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

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

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

.btn-secondary {
    background-color: #f1f5f9;
    color: var(--dark-color);
}

.btn-secondary:hover {
    background-color: #e2e8f0;
}

.btn-large {
    padding: 14px 30px;
    font-size: 16px;
}

/* Navbar */
.navbar {
    padding: 20px 0;
    border-bottom: 1px solid #f1f5f9;
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    z-index: 100;
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark-color);
    text-decoration: none;
}

.logo span {
    color: var(--primary-color);
}

.nav-menu a {
    margin: 0 15px;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Hero Section */
.hero {
    padding: 140px 0;
    text-align: center;
    color: #ffffff;
    
    /* 1. Tumpuk warna gradient dan gambar di sini */
    background-image: 
        radial-gradient(circle at top, rgba(172, 200, 245, 0.2) 0%, transparent 60%),
        linear-gradient(rgba(195, 213, 255, 0.75), rgba(255, 255, 255, 0.75)), 
        url('your picture'); /* <-- Pastikan path ini benar ya, Bro! */
        
    /* 2. Properti pendukung dipisah agar wajib dieksekusi browser */
    background-size: cover !important;
    background-position: center center !important;
    background-repeat: no-repeat !important;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 54px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -1px;
    color: #070707;
}

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

.hero p {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-cta .btn {
    margin: 0 10px;
}

/* Features Section */
.features {
    padding: 80px 0;
    background-color: var(--light-color);
}

.section-title {
    text-align: center;
    font-size: 32px;
    margin-bottom: 50px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background: white;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-5px);
}

.card-icon {
    font-size: 32px;
    margin-bottom: 20px;
}

.card h3 {
    margin-bottom: 12px;
    font-size: 20px;
}

.card p {
    color: var(--text-muted);
    line-height: 1.5;
}

/* Testimonials Section */
.testimonials {
    padding: 80px 0;
    background-color: #ffffff;
}

.testimonial-card {
    background: var(--light-color);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.stars {
    color: #f59e0b;
    margin-bottom: 15px;
    font-size: 14px;
}

.testimonial-text {
    color: var(--dark-color);
    font-style: italic;
    line-height: 1.6;
    margin-bottom: 20px;
}

.client-info strong {
    display: block;
    font-size: 16px;
    color: var(--dark-color);
}

.client-info span {
    font-size: 14px;
    color: var(--text-muted);
}

/* FAQ Section */
.faq {
    padding: 80px 0;
    background-color: var(--light-color);
}

.faq-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 20px 25px;
    background: none;
    border: none;
    font-size: 18px;
    font-weight: 600;
    color: var(--dark-color);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s;
}

.faq-question:hover {
    background-color: #fafafa;
}

.faq-question span {
    font-size: 22px;
    color: var(--primary-color);
    transition: transform 0.3s;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background-color: #ffffff;
}

.faq-answer p {
    padding: 0 25px 20px 25px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Class active untuk interaktivitas JavaScript */
.faq-item.active .faq-answer {
    max-height: 200px; /* Atur batas tinggi aman accordion */
}

.faq-item.active .faq-question span {
    transform: rotate(45deg); /* Mengubah tanda + menjadi x */
}


/* Footer */
.footer {
    padding: 40px 0;
    text-align: center;
    color: var(--text-muted);
    border-top: 1px solid #e2e8f0;
    font-size: 14px;
}