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

body {
    font-family: 'Inter', -apple-system, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

/* Navigasi */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 8%;
    position: fixed;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 2px;
}

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

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)), 
                url('https://images.unsplash.com/photo-1493863641943-9b68992a8d07?auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 20px;
}

.btn {
    display: inline-block;
    margin-top: 30px;
    padding: 15px 35px;
    background: white;
    color: black;
    text-decoration: none;
    font-weight: bold;
    border-radius: 50px;
    transition: 0.3s;
}

.btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

/* Portfolio Grid */
.portfolio {
    padding: 100px 8%;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.line {
    width: 50px;
    height: 3px;
    background: #000;
    margin: 15px auto;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    grid-auto-rows: 300px;
    gap: 15px;
}

.grid-item {
    overflow: hidden;
    border-radius: 8px;
}

.grid-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.5s ease;
    filter: grayscale(20%);
}

.grid-item:hover img {
    transform: scale(1.1);
    filter: grayscale(0%);
}

/* Pinterest Style Spans */
.tall { grid-row: span 2; }
.wide { grid-column: span 2; }

/* Footer */
footer {
    padding: 80px 8% 40px;
    background: #111;
    color: white;
    text-align: center;
}

.social-icons {
    margin: 30px 0;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.social-icons i {
    cursor: pointer;
    transition: 0.3s;
}

.social-icons i:hover {
    color: #666;
}

.copyright {
    font-size: 0.8rem;
    color: #666;
    margin-top: 40px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 { font-size: 2.5rem; }
    .wide { grid-column: span 1; }
}