/* --- VARIABLES & RESET --- */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --secondary: #f97316;
    --dark: #0f172a;
    --dark-secondary: #1e293b;
    --gray: #64748b;
    --light: #f8fafc;
    --white: #ffffff;
    --shadow: 0 10px 40px -10px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.7;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
    font-family: 'Poppins', sans-serif;
    color: var(--dark);
    font-weight: 700;
    line-height: 1.3;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section { padding: 100px 0; }
.bg-light { background-color: var(--white); }

/* --- BUTTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background-color: var(--primary);
    color: var(--white);
}

.btn-whatsapp {
    background-color: #25D366;
    color: white;
    font-size: 1.1rem;
    padding: 16px 40px;
}

.btn-whatsapp:hover {
    background-color: #128C7E;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
}

/* --- HEADER --- */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.05);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 35px;
}

.nav-link {
    font-weight: 500;
    color: var(--dark);
    position: relative;
    font-size: 0.95rem;
}

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

.hamburger { display: none; font-size: 1.5rem; cursor: pointer; }

/* --- HERO --- */
.hero {
    padding-top: 160px;
    padding-bottom: 100px;
    background: linear-gradient(135deg, #eff6ff 0%, #ffffff 50%, #fff7ed 100%);
    position: relative;
}

.hero-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

.hero-content { flex: 1; }

.badge {
    display: inline-block;
    background-color: var(--primary-light);
    color: var(--primary);
    padding: 8px 18px;
    border-radius: 30px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 25px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.15;
    margin-bottom: 25px;
}

.hero h1 span { color: var(--primary); }

.hero p {
    font-size: 1.15rem;
    color: var(--gray);
    margin-bottom: 35px;
    max-width: 500px;
}

.hero-buttons { display: flex; gap: 15px; }

.hero-image { flex: 1; }

.hero-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

/* --- SECTION HEADER --- */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 70px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 4px;
    background: var(--secondary);
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

.section-header p {
    color: var(--gray);
    font-size: 1.1rem;
    margin-top: 20px;
}

/* --- ADVANTAGE / KEUNGGULAN --- */
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.advantage-card {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid #e2e8f0;
    position: relative;
    overflow: hidden;
}

.advantage-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
}

.advantage-card .card-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-light), #eff6ff);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    color: var(--primary);
    font-size: 1.75rem;
}

.advantage-card h3 {
    font-size: 1.35rem;
    margin-bottom: 15px;
}

.advantage-card p {
    color: var(--gray);
    font-size: 0.95rem;
}

/* --- CURRICULUM / KOMPETENSI KEAHLIAN --- */
.curriculum-section { background-color: var(--light); }

.curriculum-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
}

.curriculum-item {
    background: var(--white);
    padding: 30px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    border: 1px solid #e2e8f0;
    position: relative;
    overflow: hidden;
}

.curriculum-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px -10px rgba(37, 99, 235, 0.15);
}

.curriculum-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: white;
    font-size: 1.5rem;
}

.curriculum-info h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.curriculum-info p {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.curriculum-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: auto;
}

.curriculum-tags span {
    background: var(--primary-light);
    color: var(--primary);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* --- STATS --- */
.stats {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    padding: 80px 0;
}

.stats-grid {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 40px;
    text-align: center;
}

.stat-item h2 {
    font-size: 3.5rem;
    color: var(--white);
    margin-bottom: 5px;
    font-weight: 800;
}

.stat-item p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* --- MAP --- */
.map-container {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.map-container iframe {
    width: 100%;
    height: 450px;
    border: none;
}

/* --- CONTACT / CTA --- */
.cta-box {
    background: linear-gradient(135deg, var(--dark), var(--dark-secondary));
    border-radius: 24px;
    padding: 80px 40px;
    text-align: center;
    color: var(--white);
}

.cta-box h2 {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.cta-box p {
    color: #94a3b8;
    margin-bottom: 30px;
    font-size: 1.1rem;
}

/* --- FOOTER --- */
footer {
    background: var(--dark);
    color: #94a3b8;
    padding-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid #334155;
}

.footer-col .logo {
    margin-bottom: 20px;
}

.footer-col p {
    margin-bottom: 25px;
    max-width: 300px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    color: var(--white);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: 25px;
    font-size: 1.1rem;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a:hover {
    color: var(--primary);
}

.copyright {
    padding: 25px 0;
    text-align: center;
    font-size: 0.9rem;
    background: #020617;
    color: #64748b;
}

/* --- ANIMATION --- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
    .hero h1 { font-size: 2.8rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 768px) {
    .hamburger { display: block; z-index: 1001; }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        box-shadow: -5px 0 20px rgba(0,0,0,0.1);
        transition: 0.4s ease;
    }

    .nav-menu.active { right: 0; }
    
    .hero-wrapper { flex-direction: column-reverse; text-align: center; }
    .hero h1 { font-size: 2.2rem; }
    .hero p { margin: 0 auto 30px; }
    .hero-buttons { justify-content: center; }
    
    .stats-grid { flex-direction: column; gap: 40px; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .social-links { justify-content: center; }
    .footer-col p { margin: 20px auto; }
    .curriculum-container { grid-template-columns: 1fr; }
}