/* --- Root Variables & Reset --- */
:root {
    --primary-color: #0984e3;      /* Biru Profesional */
    --secondary-color: #2d3436;    /* Abu-abu Gelap */
    --accent-color: #74b9ff;       /* Biru Muda */
    --bg-light: #f9f9f9;           /* Background Abu Sangat Muda */
    --white: #ffffff;
    --text-muted: #636e72;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--secondary-color);
    line-height: 1.7;
    background-color: var(--white);
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

/* --- Navigation --- */
header {
    background: rgba(255, 255, 255, 0.95);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -1px;
}

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

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

/* --- Buttons --- */
.btn-primary {
    background: var(--primary-color);
    color: var(--white);
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    display: inline-block;
    transition: var(--transition);
}

.btn-primary:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(9, 132, 227, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 12px 26px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    display: inline-block;
    transition: var(--transition);
}

.btn-sm {
    background: var(--accent-color);
    color: var(--white);
    padding: 8px 18px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 0.8rem;
}

/* --- Hero Section --- */
.hero {
    padding: 100px 0;
    text-align: center;
    background: radial-gradient(circle at top right, #e3f2fd, #ffffff);
}

.hero h1 {
    font-family: 'Playfair Display', serif;
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 25px;
}

.highlight {
    color: var(--primary-color);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 40px;
}

.cta-group {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* --- Common Sections --- */
section {
    padding: 80px 0;
}

h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
}

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

.card-plain, .usp-item {
    padding: 40px;
    background: var(--bg-light);
    border-radius: 12px;
    transition: var(--transition);
}

.card-plain:hover {
    background: var(--white);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

/* --- Paket Section --- */
.paket {
    background: var(--secondary-color);
    color: var(--white);
}

.paket h2, .section-intro p {
    color: var(--white);
    text-align: center;
}

.grid-paket {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

.paket-item {
    background: var(--white);
    color: var(--secondary-color);
    padding: 50px;
    border-radius: 20px;
    max-width: 500px;
    text-align: center;
}

.paket-item ul {
    list-style: none;
    margin: 30px 0;
    text-align: left;
}

.paket-item li {
    margin-bottom: 15px;
    padding-left: 30px;
    position: relative;
}

.paket-item li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* --- Final CTA --- */
.final-cta {
    background: var(--primary-color);
    color: var(--white);
    text-align: center;
}

.final-cta h2, .final-cta p {
    margin-bottom: 20px;
}

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

/* --- Footer --- */
footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid #eee;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* --- Tambahkan/Ubah bagian ini di style.css Anda --- */

/* 1. Perbaikan Link WhatsApp agar tidak bergaris bawah jika bukan tombol */
a {
    text-decoration: none;
    color: inherit;
}

/* 2. Optimasi Gambar/Icon jika nanti Anda menambahkannya */
img {
    max-width: 100%;
    display: block;
}

/* 3. Perbaikan Responsive Menu (Sederhana) */
@media (max-width: 768px) {
    .hero h1 { 
        font-size: 2.2rem; /* Sedikit lebih kecil agar tidak pecah */
    }
    
    .nav-links { 
        display: flex; /* Jangan di-none, tapi buat ringkas */
        gap: 15px;
    }

    .nav-links li:not(:last-child) {
        display: none; /* Sembunyikan link teks, sisakan tombol Kontak saja */
    }

    .cta-group { 
        flex-direction: column; 
        padding: 0 20px;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%; /* Tombol memenuhi layar di HP */
        text-align: center;
    }
}

/* --- Tambahkan kode ini untuk Hamburger (Default: Sembunyi) --- */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--secondary-color);
    border-radius: 2px;
    transition: var(--transition);
}

/* --- Modifikasi Media Query (Ganti bagian @media (max-width: 768px) yang lama) --- */
@media (max-width: 768px) {
    .hamburger {
        display: flex; /* Hamburger muncul di HP */
    }

    .nav-links {
        position: absolute;
        top: 100%; /* Muncul tepat di bawah header */
        left: -100%; /* Sembunyi di kiri layar */
        flex-direction: column;
        background: white;
        width: 100%;
        text-align: center;
        padding: 20px 0;
        box-shadow: 0 10px 10px rgba(0,0,0,0.1);
        transition: 0.4s ease;
    }

    .nav-links.active {
        left: 0; /* Menu muncul ke tengah saat aktif */
    }

    .nav-links li {
        margin: 15px 0;
    }

    /* Pastikan link teks tetap muncul di dalam menu hamburger */
    .nav-links li:not(:last-child) {
        display: block; 
    }
}

/* Animasi Garis Menjadi X */
.hamburger.toggle-active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.toggle-active span:nth-child(2) {
    opacity: 0; /* Garis tengah menghilang */
}

.hamburger.toggle-active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Tambahkan transisi pada span default (jika belum ada) */
.hamburger span {
    transition: all 0.3s ease;
}