@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;600;700&display=swap');

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Plus Jakarta Sans', sans-serif; }

:root {
    --primary: #0284c7;
    --primary-dark: #0369a1;
    --secondary: #0f172a;
    --accent: #38bdf8;
    --light-bg: #f8fafc;
    --white: #ffffff;
    --text-main: #334155;
    --text-muted: #64748b;
    --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

body { background-color: var(--white); color: var(--text-main); line-height: 1.7; overflow-x: hidden; }
a { text-decoration: none; }
ul { list-style: none; }

/* --- NAVBAR TRANSPARAN --- */
header {
    position: fixed;
    top: 0; width: 100%; z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
    background: transparent; /* Transparan di awal */
}
/* Class ini akan ditambahkan oleh JS saat di-scroll */
header.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: 0 4px 30px rgba(0,0,0,0.1);
}

.nav-container { display: flex; justify-content: space-between; align-items: center; max-width: 1200px; margin: 0 auto; padding: 0 5%; }
.logo-container { display: flex; align-items: center; gap: 12px; color: var(--white); }
.logo-box { font-size: 1.8rem; color: var(--accent); }
.logo-text { font-size: 1.4rem; font-weight: 700; letter-spacing: 0.5px; }

.nav-links { display: flex; gap: 30px; }
.nav-links a { color: rgba(255,255,255,0.8); font-weight: 600; font-size: 0.95rem; transition: var(--transition); position: relative;}
.nav-links a:hover { color: var(--white); }
.nav-links a::after { content: ''; position: absolute; bottom: -5px; left: 0; width: 0; height: 2px; background: var(--accent); transition: var(--transition); }
.nav-links a:hover::after { width: 100%; }

.btn-outline { color: var(--white); border: 1px solid rgba(255,255,255,0.5); padding: 8px 20px; border-radius: 50px; font-weight: 600; transition: var(--transition); }
.btn-outline:hover { background: var(--white); color: var(--secondary); }

/* --- HERO FULLSCREEN --- */
.hero-fullscreen {
    position: relative;
    height: 100vh;
    min-height: 600px;
    background: url('https://images.unsplash.com/photo-1494412574643-ff11b0a5c1c3?q=80&w=1600&auto=format&fit=crop') center/cover no-repeat;
    display: flex; align-items: center; justify-content: center; text-align: center;
}
.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(to bottom, rgba(15,23,42,0.8) 0%, rgba(15,23,42,0.4) 100%); }
.hero-content { position: relative; z-index: 10; max-width: 800px; padding: 0 20px; color: var(--white); }
.hero-content h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); font-weight: 700; line-height: 1.2; margin-bottom: 20px; text-shadow: 0 2px 10px rgba(0,0,0,0.3); }
.hero-content p { font-size: 1.2rem; color: rgba(255,255,255,0.8); margin-bottom: 40px; }

.btn-glass {
    display: inline-block; padding: 15px 35px; border-radius: 50px; font-weight: 600; font-size: 1.1rem;
    color: var(--white); background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px); transition: var(--transition); box-shadow: 0 4px 30px rgba(0,0,0,0.1);
}
.btn-glass:hover { background: var(--primary); border-color: var(--primary); transform: translateY(-3px); }

/* --- LAYOUT & SECTION --- */
.container { max-width: 1200px; margin: 0 auto; padding: 100px 5%; }
.bg-light { background-color: var(--light-bg); }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header h2 { font-size: 2.5rem; color: var(--secondary); margin-bottom: 15px; }
.section-header p { color: var(--text-muted); font-size: 1.1rem; }

/* --- SLIDER SECTION (MODERN) --- */
.slider-wrapper { display: flex; gap: 50px; align-items: center; background: var(--white); border-radius: 30px; padding: 30px; box-shadow: 0 20px 40px rgba(0,0,0,0.05); }
.slider-images { flex: 1; position: relative; height: 400px; border-radius: 20px; overflow: hidden; }
.slide { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 0.6s ease-in-out; }
.slide.active { opacity: 1; z-index: 2; }

.slider-text { flex: 1; padding: 20px; }
.accent-title { color: var(--primary); font-size: 1rem; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 10px; }
.slider-text h3 { font-size: 2rem; color: var(--secondary); margin-bottom: 20px; line-height: 1.3; }
.slider-text p { color: var(--text-muted); font-size: 1.1rem; margin-bottom: 30px; }

.slider-controls { display: flex; align-items: center; gap: 20px; }
.slide-btn { width: 45px; height: 45px; border-radius: 50%; border: none; background: var(--light-bg); color: var(--secondary); cursor: pointer; transition: var(--transition); font-size: 1.1rem; }
.slide-btn:hover { background: var(--primary); color: var(--white); }
.slide-indicators { display: flex; gap: 8px; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: #cbd5e1; cursor: pointer; transition: 0.3s; }
.dot.active { background: var(--primary); width: 25px; border-radius: 10px; }

/* --- SERVICES CARDS --- */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }
.modern-card { background: var(--white); padding: 40px 30px; border-radius: 20px; transition: var(--transition); text-align: center; border: 1px solid rgba(0,0,0,0.02); box-shadow: 0 10px 30px rgba(0,0,0,0.02); }
.modern-card i { font-size: 2.5rem; color: var(--primary); margin-bottom: 20px; }
.modern-card h4 { font-size: 1.3rem; margin-bottom: 15px; color: var(--secondary); }
.modern-card p { color: var(--text-muted); font-size: 0.95rem; }
.modern-card:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(2, 132, 199, 0.1); border-color: rgba(2, 132, 199, 0.1); }

/* --- PORTFOLIO --- */
.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.aesthetic-card { display: flex; flex-direction: column; align-items: flex-start; padding: 40px; border-radius: 24px; background: linear-gradient(145deg, #ffffff, #f8fafc); box-shadow:  20px 20px 60px #e6e8eb, -20px -20px 60px #ffffff; transition: var(--transition); }
.aesthetic-card:hover { transform: scale(1.02); }
.portfolio-icon { width: 60px; height: 60px; background: var(--primary); color: var(--white); display: flex; align-items: center; justify-content: center; border-radius: 16px; font-size: 1.5rem; margin-bottom: 25px; box-shadow: 0 10px 20px rgba(2, 132, 199, 0.3); }
.aesthetic-card h3 { font-size: 1.4rem; color: var(--secondary); margin-bottom: 10px; }
.aesthetic-card p { color: var(--text-muted); }

/* --- FOOTER --- */
.modern-footer { background: var(--secondary); color: var(--white); padding: 80px 0 0 0; }
.footer-content { padding: 0 5% 60px 5%; display: grid; grid-template-columns: 1fr 1fr 1.5fr; gap: 50px; }
.logo-box-footer { font-size: 2rem; color: var(--accent); margin-bottom: 15px; }
.brand-col p { color: #94a3b8; margin-top: 15px; }
.footer-col h4 { font-size: 1.2rem; margin-bottom: 25px; color: var(--white); position: relative; padding-bottom: 10px;}
.footer-col h4::after { content:''; position: absolute; left: 0; bottom: 0; width: 40px; height: 2px; background: var(--accent); }
.contact-list li { display: flex; align-items: center; gap: 15px; color: #cbd5e1; margin-bottom: 15px; font-size: 0.95rem; }
.contact-list i { color: var(--accent); font-size: 1.1rem; }
.map-container { height: 200px; border-radius: 16px; overflow: hidden; }
.footer-bottom { text-align: center; padding: 25px; background: rgba(0,0,0,0.2); color: #94a3b8; font-size: 0.9rem; }

/* ANIMASI MASUK MUNCUL (REVEAL) */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}
@keyframes fadeInUp { from { opacity:0; transform: translateY(30px); } to { opacity:1; transform: translateY(0); } }
.fade-in-up { animation: fadeInUp 1s forwards ease-out; }

/* RESPONSIVE DASAR */
@media(max-width: 900px) {
    .slider-wrapper { flex-direction: column; }
    .slider-images { width: 100%; height: 300px; }
    .portfolio-grid, .footer-content { grid-template-columns: 1fr; }
    .nav-links, .nav-actions { display: none; /* Idealnya diganti tombol hamburger */ }
}