/* --- Global Reset & Base Styles --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: #f8fafc;
    color: #1e293b;
    line-height: 1.6;
}

/* --- Navigation --- */
header {
    background: #0f172a;
    color: white;
    padding: 1.2rem 10%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: 0.4s;
}

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

/* Container Logo di Kiri */
.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: 8px;
}

.logo-text {
    font-size: 1.6rem;
    font-weight: 700;
    color: white;
}

.logo-text span {
    color: #38bdf8;
}

/* Menu Navigasi */
.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    text-decoration: none;
    color: #cbd5e1;
    font-weight: 500;
    transition: 0.3s;
}

.nav-links a:hover {
    color: #38bdf8;
}

.btn-cta {
    background: #38bdf8;
    color: #0f172a !important;
    padding: 8px 20px;
    border-radius: 6px;
    font-weight: 600;
}

/* --- Hero Section --- */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(15, 23, 42, 0.75), rgba(15, 23, 42, 0.75)), 
                url('https://images.unsplash.com/photo-1620712943543-bcc4628c6750?auto=format&fit=crop&q=80') center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    padding: 0 10%;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    color: #cbd5e1;
    max-width: 700px;
    margin: 0 auto 30px;
}

.hero-content button {
    padding: 16px 45px;
    background: #38bdf8;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: 0.3s;
}

.hero-content button:hover {
    background: white;
    transform: translateY(-3px);
}

/* --- Services Section --- */
#services {
    padding: 100px 10%;
    text-align: center;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #0f172a;
}

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

.service-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: 0.3s;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.service-card .icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

/* --- About Section --- */
.about-section {
    padding: 120px 15%;
    text-align: center;
    background-color: #ffffff;
}

.about-content h2 {
    font-size: 2.5rem;
    margin-bottom: 25px;
    color: #0f172a;
}

.about-content p {
    font-size: 1.15rem;
    color: #475569;
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.8;
}

/* --- Contact Section --- */
#contact {
    padding: 100px 10%;
    background: #f1f5f9;
}

.contact-container {
    max-width: 850px;
    margin: 0 auto;
    text-align: center;
    background: white;
    padding: 60px 40px;
    border-radius: 24px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.05);
}

.contact-container h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.contact-container p {
    margin-bottom: 40px;
    color: #64748b;
}

#contactForm {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

#contactForm textarea, #contactForm button {
    grid-column: span 2;
}

#contactForm input, #contactForm textarea {
    padding: 18px;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    background: #f8fafc;
    font-size: 1rem;
    outline: none;
    transition: 0.3s;
}

#contactForm input:focus, #contactForm textarea:focus {
    border-color: #38bdf8;
    background: white;
    box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.1);
}

#contactForm button {
    padding: 18px;
    background: #0f172a;
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
}

#contactForm button:hover {
    background: #38bdf8;
    color: #0f172a;
}

#formStatus {
    margin-top: 20px;
    font-weight: 600;
}

/* --- Footer --- */
footer {
    padding: 50px 10%;
    background: #0f172a;
    color: #94a3b8;
    text-align: center;
}

/* --- Responsive Mode (HP & Tablet) --- */
@media (max-width: 768px) {
    header {
        padding: 1rem 5%;
    }
    
    .nav-links {
        display: none; /* Kamu bisa menambahkan menu hamburger nanti jika perlu */
    }

    #contactForm {
        grid-template-columns: 1fr;
    }

    #contactForm textarea, #contactForm button {
        grid-column: span 1;
    }

    .about-section {
        padding: 80px 10%;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
}