/* --- SCROLL BEHAVIOR SMOOTH --- */
html {
    scroll-behavior: smooth;
}

/* --- VARIABLES & RESET --- */
:root {
    --primary-purple: #9D96C4; 
    --primary-dark: #222222;    
    --bg-blue: #C5D5E6;     
    --white: #ffffff;
    --pill-radius: 50px;        
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    overflow-x: hidden;
    color: var(--primary-dark);
    background-color: var(--white);
    text-align: left;
}

a { text-decoration: none; transition: 0.3s; }

/* --- HEADER --- */
header {
    height: 100px;
    position: relative;
    z-index: 100;
    display: flex;
    align-items: center;
    background: transparent; 
}

.header-bg-shape {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background-color: var(--bg-blue);
    border-bottom-left-radius: 80px;
    z-index: -1; 
}

.header-container {
    width: 100%;
    max-width: 2000px;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Style Logo agar Pas */
.logo img {
    height: 100px; /* Diatur agar tidak terlalu besar */
    width: auto; 
    object-fit: contain; 
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.nav-menu a {
    color: #222;
    font-size: 0.95rem; 
    font-weight: 700;
}

.btn-nav-top {
    background: var(--white);
    color: #333 !important;
    padding: 0.7rem 1.8rem;
    border-radius: 18px; 
    font-weight: 800 !important;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    font-size: 0.9rem !important;
}
.btn-nav-top:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.1);
}

/* --- MAIN CONTAINER --- */
.container {
    max-width: 1800px;
    margin: 0 auto;
    padding: 0 30px;
    position: relative;
    z-index: 2; 
}

/* --- HERO SECTION --- */
.hero {
    position: relative;
    
    /* Padding diperbesar agar hero section tinggi */
    padding: 10rem 0 12rem 0; 
    
    /* Min-height agar gagah di layar besar */
    min-height: 85vh; 
    
    display: flex;
    align-items: center;
    overflow: hidden; 
}

.wave-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1; 
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center; 
    gap: 5rem;
    position: relative; 
    z-index: 2; 
}

.hero-text {
    text-align: left;
}

.hero-text h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: #000;
    font-weight: 800;
}

.hero-text p {
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: #555;
    margin-bottom: 3rem;
    font-size: 1.1rem;
    text-align: left;
}

.btn-group { 
    display: flex; 
    gap: 1.5rem; 
    justify-content: flex-start; 
}

.btn {
    padding: 0.9rem 2.5rem;
    border-radius: var(--pill-radius);
    font-weight: 700;
    cursor: pointer;
    font-size: 1rem;
    display: inline-block;
}

.btn-purple {
    background-color: var(--primary-purple);
    color: white;
    border: 2px solid var(--primary-purple);
    box-shadow: 0 5px 20px rgba(157, 150, 196, 0.5);
}
.btn-purple:hover { background-color: #837cb0; }

.btn-outline {
    background-color: transparent;
    color: #000;
    border: 2px solid #222; 
}
.btn-outline:hover { background-color: #222; color: white; }

/* Style Hero Card (Transparan) */
.hero-card {
    background-color: transparent;
    border-radius: 40px; 
    height: 550px; 
    width: 100%;
    display: block; 
    position: relative;
    overflow: hidden; 
    padding: 0; 
}

/* Style Hero Image (Full Cover) */
.hero-img-real {
    width: 100%;
    height: 100%;
    object-fit: cover; 
    object-position: center; 
    border-radius: 40px; 
}

.placeholder-content { text-align: center; color: #fff; opacity: 0.9; }
.placeholder-content i { font-size: 6rem; margin-bottom: 1.5rem; }

/* --- FEATURES SECTION --- */
.features {
    padding: 4rem 0 8rem 0;
    position: relative;
    z-index: 2;
}

.features h2 {
    font-size: 2rem;
    margin-bottom: 4rem;
    color: #000;
    font-weight: 800;
    text-align: left;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 5rem;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start; 
    text-align: left;
}

.icon-circle {
    width: 80px;
    height: 80px;
    background-color: var(--primary-purple);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    color: white;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 20px rgba(157, 150, 196, 0.4);
}

.feature-item h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    font-weight: 700;
    color: #222;
}

.feature-item p {
    font-size: 1.05rem;
    color: #666;
    line-height: 1.7;
}

/* --- FOOTER --- */
footer {
    background-color: var(--bg-blue);
    padding: 6rem 0;
    margin-top: 5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr 1fr 1fr; 
    gap: 3rem;
    align-items: start; 
    text-align: left;
}

.footer-col h4 {
    font-weight: 800;
    margin-bottom: 2rem;
    font-size: 1.2rem;
}

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 1.2rem; }
.footer-col ul li a, .footer-col span {
    text-decoration: none;
    color: var(--primary-dark);
    font-size: 1rem;
}
.footer-col ul li a:hover { text-decoration: underline; }

.contact-info li { display: flex; align-items: center; gap: 15px; }

.social-icons { display: flex; gap: 15px; }
.social-icons a {
    font-size: 1.2rem;
    color: #000;
    width: 45px; 
    height: 45px;
    background: rgba(255,255,255,0.6);
    display: flex; 
    align-items: center; 
    justify-content: center;
    border-radius: 50%;
    transition: 0.3s;
}
.social-icons a:hover { background: white; transform: scale(1.1); }

/* --- RESPONSIVE --- */
@media (max-width: 968px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-text { text-align: center; }
    .hero-text p { text-align: center; }
    .btn-group { justify-content: center; }
    
    .features-grid { grid-template-columns: 1fr; gap: 3rem; }
    .feature-item { align-items: center; text-align: center; }
    .features h2 { text-align: center; }
    
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .nav-menu { display: none; } 
    
    .header-bg-shape { display: none; }
}