/* Font Import */
body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    color: #111827;
    /* Dark Grey/Secondary Color */
    background-color: #FFFFFF;
    line-height: 1.6;
}

/* Variables & Base Colors */
:root {
    --primary-color: #1A73E8;
    /* Biru */
    --secondary-color: #111827;
    /* Dark Grey */
    --light-bg: #f7f9fc;
}

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

.section-padding {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    font-weight: 700;
}

.bg-dark {
    background-color: var(--secondary-color);
}

.bg-light {
    background-color: var(--light-bg);
}

.text-white {
    color: #FFFFFF;
}

.mt-20 {
    margin-top: 20px;
}

.mt-50 {
    margin-top: 50px;
}

/* Tombol CTA */
.btn-primary {
    display: inline-block;
    background-color: var(--primary-color);
    color: #FFFFFF;
    padding: 12px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background-color: #145cb3;
}

/* === HEADER & NAVIGASI === */
#main-header {
    background-color: #FFFFFF;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

#main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

#main-nav a {
    text-decoration: none;
    color: var(--secondary-color);
    margin-left: 25px;
    font-weight: 500;
    transition: color 0.3s;
}

#main-nav a:hover {
    color: var(--primary-color);
}

.menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

/* === HERO SECTION === */
.hero {
    background: var(--secondary-color);
    color: #FFFFFF;
    padding: 120px 0;
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 15px;
}

.hero p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.8;
}

/* === ABOUT SECTION === */
.about-grid {
    display: flex;
    gap: 30px;
    text-align: center;
}

.about-item {
    flex: 1;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    border-top: 3px solid var(--primary-color);
}

.about-item h3 {
    color: var(--primary-color);
    margin-top: 0;
    font-weight: 600;
}

/* === SERVICES SECTION & AI Recommendation Tool === */
.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service-card {
    background-color: #242b38;
    color: #FFFFFF;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
}

.service-card i {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

/* AI Recommendation Styles */
.ai-feature-box {
    padding: 30px;
    border-radius: 8px;
    background-color: #333d4e;
    /* Lebih terang dari bg-dark */
}

.ai-feature-box label {
    display: block;
    margin-top: 15px;
    font-weight: 600;
    color: #FFFFFF;
}

.ai-feature-box select {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.result-box {
    margin-top: 20px;
    padding: 15px;
    background-color: #e6f0ff;
    /* Light Blue */
    color: var(--secondary-color);
    border-left: 5px solid var(--primary-color);
    border-radius: 4px;
    font-weight: 600;
}


/* === TESTIMONIALS SECTION === */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background-color: #FFFFFF;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
    border-left: 5px solid var(--primary-color);
}

.testimonial-card p {
    font-style: italic;
    margin-bottom: 15px;
}

.testimonial-card h4 {
    color: var(--primary-color);
    font-weight: 600;
    margin: 0;
    font-size: 16px;
}

/* === FOOTER === */
#contact {
    background-color: var(--secondary-color);
    color: #FFFFFF;
    padding: 50px 0 20px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid #444;
}

.footer-col h4 {
    color: var(--primary-color);
    font-weight: 700;
    margin-top: 0;
}

.footer-col i {
    margin-right: 10px;
    color: var(--primary-color);
}

.social-icons a {
    color: #FFFFFF;
    font-size: 20px;
    margin-right: 15px;
    transition: color 0.3s;
}

.social-icons a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
}

/* === AI CHATBOT INTERFACE === */
#chatbot-icon {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--primary-color);
    color: #FFFFFF;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    text-align: center;
    line-height: 60px;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    z-index: 1001;
}

#chatbot-window {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 350px;
    height: 400px;
    background-color: #FFFFFF;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    z-index: 1001;
}

#chatbot-window.hidden {
    display: none;
}

#chat-header {
    background-color: var(--primary-color);
    color: #FFFFFF;
    padding: 15px;
    font-weight: 600;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#close-chat {
    cursor: pointer;
}

#chat-messages {
    flex-grow: 1;
    padding: 15px;
    overflow-y: auto;
    background-color: #f7f7f7;
}

.message {
    max-width: 85%;
    padding: 10px;
    border-radius: 15px;
    margin-bottom: 10px;
    font-size: 14px;
}

.user-message {
    background-color: #d1e2ff;
    margin-left: auto;
    text-align: right;
    border-top-right-radius: 3px;
}

.bot-message {
    background-color: #FFFFFF;
    margin-right: auto;
    border: 1px solid #eee;
    text-align: left;
    border-top-left-radius: 3px;
}

#chat-input-area {
    display: flex;
    border-top: 1px solid #ddd;
    padding: 10px;
}

#chat-input {
    flex-grow: 1;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 20px;
    margin-right: 10px;
}

#chat-send {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: #FFFFFF;
    border: none;
    cursor: pointer;
    padding: 0;
    line-height: 40px;
    text-align: center;
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 992px) {

    .service-grid,
    .testimonial-grid,
    .about-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {

    /* Mobile Nav */
    #main-nav {
        display: none;
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 60px;
        left: 0;
        background-color: #FFFFFF;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        padding-bottom: 10px;
    }

    #main-nav.active {
        display: flex;
    }

    #main-nav a {
        margin: 10px 20px;
        border-bottom: 1px solid #eee;
        padding-bottom: 5px;
    }

    .menu-toggle {
        display: block;
    }

    /* Grid layout single column */
    .service-grid,
    .testimonial-grid,
    .footer-grid,
    .about-grid {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 36px;
    }
}