/* Reset dasar */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

/* Variabel warna */
:root {
    --primary: #2196F3;
    --secondary: #0D47A1;
    --light: #E3F2FD;
    --dark: #212121;
    --gray: #757575;
    --white: #FFFFFF;
}

/* Style umum */
body {
    color: var(--dark);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

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

section {
    padding: 60px 0;
}

.btn {
    display: inline-block;
    background-color: var(--primary);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s;
    border: 0;
    cursor: pointer;
}

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

/* Header dan navigasi */
header {
    background-color: var(--white);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo i {
    font-size: 24px;
    color: var(--primary);
    margin-right: 10px;
}

.logo h1 {
    font-size: 20px;
    color: var(--dark);
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    text-decoration: none;
    color: var(--dark);
    padding: 5px 0;
    position: relative;
    font-weight: 500;
}

nav ul li a:hover,
nav ul li a.active {
    color: var(--primary);
}

nav ul li a:after {
    content: '';
    display: block;
    height: 2px;
    width: 0;
    background-color: var(--primary);
    position: absolute;
    bottom: 0;
    transition: width 0.3s;
}

nav ul li a:hover:after,
nav ul li a.active:after {
    width: 100%;
}

/* Menu toggle untuk mobile */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--dark);
    position: absolute;
    left: 0;
    transition: all 0.3s;
}

.menu-toggle span:nth-child(1) {
    top: 0;
}

.menu-toggle span:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
}

.menu-toggle span:nth-child(3) {
    bottom: 0;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg);
    top: 9px;
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg);
    bottom: 8px;
}

/* Hero section */
.hero {
    background-color: var(--light);
    padding-top: 120px;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 30px;
}

.hero-text {
    flex: 1;
}

.hero-text h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    text-align: left;
}

.hero-text p {
    margin-bottom: 20px;
    color: var(--gray);
    font-size: 1.1rem;
}

.hero-image {
    flex: 1;
}

.hero-image img {
    width: 100%;
    border-radius: 10px;
}

/* About section */
.about {
    background-color: var(--white);
}

.about p {
    text-align: center;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: var(--gray);
}

.info-boxes {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 30px;
}

.box {
    background-color: var(--light);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    flex: 1;
    min-width: 200px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.box i {
    font-size: 30px;
    color: var(--primary);
    margin-bottom: 15px;
}

.box h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

/* Features section */
.features {
    background-color: var(--light);
}

.feature-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.card {
    background-color: var(--white);
    padding: 25px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-10px);
}

.card i {
    font-size: 30px;
    color: var(--primary);
    margin-bottom: 15px;
}

.card h3 {
    margin-bottom: 10px;
}

/* Services section */
.services {
    background-color: var(--white);
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 30px;
}

.service {
    display: flex;
    align-items: center;
    gap: 20px;
    background-color: var(--light);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.service i {
    font-size: 30px;
    color: var(--primary);
    min-width: 50px;
    text-align: center;
}

.service h3 {
    margin-bottom: 5px;
}

/* Contact section */
.contact {
    background-color: var(--light);
}

.contact-container {
    display: flex;
    gap: 40px;
    margin-top: 30px;
}

.contact-info {
    flex: 1;
    min-width: 250px;
}

.info-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.info-item i {
    font-size: 20px;
    color: var(--primary);
    margin-right: 15px;
    width: 30px;
    text-align: center;
}

.contact-form {
    flex: 2;
    background-color: var(--white);
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.form-group textarea {
    resize: vertical;
}

/* Footer */
footer {
    background-color: var(--dark);
    color: var(--white);
    padding: 50px 0 20px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 30px;
}

.footer-logo,
.footer-links,
.footer-social {
    flex: 1;
    min-width: 200px;
}

.footer-logo i {
    font-size: 24px;
    color: var(--primary);
    margin-right: 10px;
}

.footer-logo h3 {
    margin: 10px 0;
}

.footer-links h4,
.footer-social h4 {
    margin-bottom: 15px;
}

.footer-links ul {
    list-style: none;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: #ccc;
    text-decoration: none;
}

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

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    color: var(--white);
    background-color: rgba(255,255,255,0.1);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s;
}

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

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 14px;
}

/* Responsif untuk tablet dan mobile */
@media (max-width: 900px) {
    .hero .container {
        flex-direction: column;
    }
    
    .hero-text {
        text-align: center;
    }
    
    .hero-text h2 {
        text-align: center;
    }
}

@media (max-width: 768px) {
    /* Navbar responsif */
    .menu-toggle {
        display: block;
        z-index: 1001;
    }
    
    nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background-color: var(--white);
        box-shadow: -5px 0 15px rgba(0,0,0,0.1);
        transition: right 0.3s;
        padding: 80px 20px 20px;
        z-index: 1000;
    }
    
    nav.show {
        right: 0;
    }
    
    nav ul {
        flex-direction: column;
    }
    
    nav ul li {
        margin: 10px 0;
    }
    
    nav ul li a {
        display: block;
        font-size: 18px;
    }
    
    /* Pengaturan lain untuk mobile */
    h2 {
        font-size: 1.8rem;
    }
    
    .contact-container {
        flex-direction: column;
    }
    
    .hero-text h2 {
        font-size: 2rem;
    }
    
    .box, 
    .card {
        min-width: 100%;
    }
    
    .info-boxes {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    h2 {
        font-size: 1.5rem;
    }
    
    .logo h1 {
        font-size: 18px;
    }
    
    .hero-text h2 {
        font-size: 1.8rem;
    }
    
    section {
        padding: 40px 0;
    }
    
    .service {
        flex-direction: column;
        text-align: center;
    }
}