/* ==========================================
   BASE & TYPOGRAPHY
========================================== */
body {
    font-family: 'Inter', sans-serif;
    scroll-behavior: smooth;
    margin: 0;
    padding: 0;
    background-color: #F7FAFC;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    margin: 0;
}

/* ==========================================
   UTILITY CLASSES
========================================== */

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, #70d1f1 0%, #448bfd 50%, #60a5fa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Blue Gradient Background */
.gradient-bg {
    background: linear-gradient(135deg, #ebebeb 0%, #ffffff 50%, #f4f6ff 100%);
}

/* Text Shadow */
.text-shadow {
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* Glass Effect */
.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Hover Effects */
.hover-lift {
    transition: all 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Card Hover */
.card-hover {
    transition: all 0.3s ease;
    border-radius: 16px;
    border: 1px solid rgba(226, 232, 240, 0.8);
}

.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(30, 64, 175, 0.15);
    border-color: #3b82f6;
}

/* ==========================================
   NAVBAR - PERBAIKAN UTAMA
========================================== */
nav {
    position: fixed !important;
    top: 0 !important;
    width: 100% !important;
    z-index: 1000 !important;
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(10px) !important;
    border-bottom: 1px solid rgba(226, 232, 240, 0.8) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08) !important;
}

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

.logo-img {
    width: 64px;
    height: 64px;
    object-fit: contain;
}

.logo-text h1 {
    color: #000000;
    font-size: 1.25rem;
    font-weight: 700;
}

.logo-text p {
    color: #171718;
    font-size: 0.875rem;
    font-weight: 500;
}

.nav-link {
    color: #4b5563;
    padding: 0.75rem 1.25rem;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.2s;
}

.nav-link:hover {
    color: #1e40af;
    background-color: #eff6ff;
}

/* Dropdown Styles */
.dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    background: white;
    border-radius: 0.75rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    border: 1px solid #e5e7eb;
    min-width: 280px;
    z-index: 100;
}

.dropdown:hover .dropdown-menu {
    display: block;
}

/* ==========================================
   MOBILE MENU STYLES - SAMA SEPERTI HALAMAN LAIN
========================================== */
#mobileMenu {
    transform: translateX(-100%);
    transition: transform 0.3s ease-in-out;
}

#mobileMenu.show {
    transform: translateX(0);
}

#mobileMenuBackdrop {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

#mobileMenuBackdrop.show {
    opacity: 1;
    pointer-events: all;
}

.mobile-menu-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-radius: 0.5rem;
    transition: all 0.2s;
    margin-bottom: 0.25rem;
}

.mobile-menu-item:hover {
    background-color: #f3f4f6;
}

.mobile-dropdown-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    transition: all 0.2s;
    margin-bottom: 0.25rem;
}

.mobile-dropdown-link:hover {
    background-color: #f3f4f6;
}

/* ==========================================
   HERO SECTION
========================================== */
/* ===== HOME SECTION ===== */
#home {
    position: relative;
    overflow: hidden;
    margin-top: 0;
    padding-top: 0;
}

#home .relative {
    height: calc(100vh - 80px) !important;
    min-height: 500px;
    position: relative;
}

/* ===== HERO OVERLAY ===== */

/* ===== WAVE BACKGROUND ANIMATION ===== */
.wave-bg {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 20%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.3), 
        transparent
    );
    animation: wave 12s linear infinite;
    z-index: 5;
}

@keyframes wave {
    0% { 
        transform: translateX(0); 
    }
    100% { 
        transform: translateX(-50%); 
    }
}

/* ===== FLOATING SHAPES ===== */
.floating-shape {
    position: absolute;
    background: linear-gradient(135deg, 
        rgba(59, 130, 246, 0.1) 0%, 
        rgba(96, 165, 250, 0.05) 100%
    );
    border-radius: 50%;
    z-index: 0;
}

/* ===== HERO TYPOGRAPHY ===== */
.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.5rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}

/* ==========================================
   MOTTO SECTION
========================================== */
.motto-text {
    font-size: 1.8rem;
    font-weight: 600;
    color: #1A202C;
}

.motto-subtext {
    font-size: 1.2rem;
    color: #4A5568;
}

/* ==========================================
   CONTACT SECTION
========================================== */

/* Contact Grid Layout */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

/* Contact Cards */
.contact-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.contact-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

/* ==========================================
   RESPONSIVE DESIGN
========================================== */

/* Tablet */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
}

/* Mobile */
@media (max-width: 768px) {
    /* Hero Section */
    #home {
        margin-top: -70px;
        padding-top: 70px;
    }
    
    #home .relative {
        height: calc(100vh - 70px) !important;
        min-height: 400px;
    }
    
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        line-height: 1.5;
    }
    
    /* Logo */
    .logo-img {
        height: 40px;
    }
    
    /* Motto Section */
    .motto-text {
        font-size: 1.5rem;
    }
    
    .motto-subtext {
        font-size: 1rem;
    }
    
    /* Contact Section */
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-card {
        padding: 1.5rem;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    body {
        padding-top: 65px;
    }
    
    #home {
        margin-top: -65px;
        padding-top: 65px;
    }
    
    #home .relative {
        height: calc(100vh - 65px) !important;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .motto-text {
        font-size: 1.2rem;
    }
    
    .logo-img {
        height: 35px;
    }
    
    .contact-card {
        padding: 1.25rem;
    }
}