/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Variables */
    --primary-color: #90B345;
    --secondary-color: #7A9A3B;
    --accent-color: #A5C552;
    --success-color: #6B8632;
    --warning-color: #B5D058;
    --dark-color: #2D4A1A;
    --light-color: #F5F8F0;
    --white: #FAFCF8;
    --gray-light: #E8EDE3;
    --gray-dark: #6B7863;
    
    /* Additional colors for integrated design */
    --primary-green: #90B345;
    --primary-dark: #7A9B3A;
    --primary-light: #A5C557;
    --soft-white: #F8F9F6;
    --cream-white: #F5F7F2;
    --text-dark: #2C3E50;
    --text-light: #5D6D7E;
    --shadow-soft: rgba(144, 179, 69, 0.15);
    --shadow-hover: rgba(144, 179, 69, 0.25);
    --border-light: rgba(144, 179, 69, 0.1);
    
    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-secondary: 'Arial', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-dark);
    background: linear-gradient(135deg, var(--cream-white) 0%, var(--soft-white) 50%, #E8F5E8 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===== HEADER & NAVIGATION ===== */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--transition-normal);
}

header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo img {
    height: 40px;
    width: auto;
    transition: transform var(--transition-normal);
}

.logo img:hover {
    transform: scale(1.05);
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo h1 span {
    color: var(--secondary-color);
}

#nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

#nav-menu a {
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

#nav-menu a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(52, 152, 219, 0.1), transparent);
    transition: left var(--transition-normal);
}

#nav-menu a:hover::before {
    left: 100%;
}

#nav-menu a:hover {
    color: var(--secondary-color);
    background-color: rgba(52, 152, 219, 0.1);
}

.contact-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border: none;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-xl);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.contact-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    transition: left var(--transition-normal);
    z-index: -1;
}

.contact-btn:hover::before {
    left: 0;
}

.contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
}

.hamburger span {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.hamburger:hover {
    background-color: rgba(52, 152, 219, 0.1);
}

/* ===== MAIN CONTENT ===== */
main {
    margin-top: 100px;
    padding: 2rem;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== ASSISTANT SECTIONS ===== */
.assistant-section {
    margin-bottom: 4rem;
    padding: 2.5rem;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.95) 0%, 
        rgba(248, 249, 246, 0.9) 50%, 
        rgba(255, 255, 255, 0.85) 100%);
    border-radius: 25px;
    box-shadow: 0 15px 35px var(--shadow-soft);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.assistant-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-green), var(--primary-light), var(--primary-green));
    border-radius: 25px 25px 0 0;
}

.assistant-section:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px var(--shadow-hover);
}

.assistant-section h2 {
    text-align: center;
    margin-bottom: 2.5rem;
    font-size: 2.5rem;
    color: var(--primary-green);
    position: relative;
    padding-bottom: 1rem;
    font-weight: 700;
}

.assistant-section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-green), var(--primary-light));
    border-radius: 2px;
}

.assistant-section h2 i {
    margin-left: 0.5rem;
    color: var(--primary-light);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { 
        transform: scale(1);
        opacity: 1;
    }
    50% { 
        transform: scale(1.1);
        opacity: 0.8;
    }
}

/* ===== CARD CONTAINER ===== */
.card-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 1rem 0;
}

/* ===== CARD STYLES ===== */
.card {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.9) 0%, 
        rgba(248, 249, 246, 0.95) 100%);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 10px 30px var(--shadow-soft);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, 
        transparent, 
        rgba(144, 179, 69, 0.05), 
        transparent);
    transform: rotate(45deg);
    transition: all 0.6s ease;
    opacity: 0;
}

.card:hover::before {
    opacity: 1;
    transform: rotate(45deg) translate(25%, 25%);
}

.card:hover {
    transform: translateY(-15px) scale(1.03);
    box-shadow: 0 20px 40px var(--shadow-hover);
    border-color: var(--primary-green);
}

.card img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1.5rem;
    border: 4px solid var(--primary-green);
    transition: all 0.4s ease;
    position: relative;
    z-index: 1;
}

.card:hover img {
    transform: scale(1.1) rotate(5deg);
    border-color: var(--primary-light);
    box-shadow: 0 10px 25px var(--shadow-hover);
}

.card h4 {
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
    position: relative;
    z-index: 1;
    line-height: 1.4;
}

.card p {
    color: white;
    font-size: 0.9rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(45deg, var(--primary-green), var(--primary-light));
    border-radius: 25px;
    display: inline-block;
    margin-top: 0.5rem;
    font-weight: 500;
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(144, 179, 69, 0.3);
}

.card:hover p {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(144, 179, 69, 0.4);
    background: linear-gradient(45deg, var(--primary-light), var(--primary-green));
}

/* ===== FOOTER ===== */
footer {
    background: var(--dark-color);
    color: var(--white);
    padding: var(--spacing-md) 0;
    text-align: center;
    width: 100%;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.footer-content p {
    margin: 0;
    font-size: 0.85rem;
    opacity: 0.8;
    line-height: 1.4;
}

.sosmed {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-xs);
}

.sosmed a {
    display: inline-block;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
}

.sosmed img {
    height: 24px;
    width: 24px;
    border-radius: 5px;
    transition: all var(--transition-normal);
}

.sosmed a:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.1);
}

.sosmed a:hover img {
    filter: brightness(0) invert(1) sepia(1) saturate(3) hue-rotate(200deg);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    header {
        padding: var(--spacing-sm);
        flex-direction: column;
        align-items: flex-start;
        position: relative;
    }
    
    .logo h1 {
        font-size: 1.2rem;
    }
    
    .hamburger {
        display: block;
        position: absolute;
        right: 1rem;
        top: 1rem;
    }
    
    #nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        flex-direction: column;
        padding: var(--spacing-sm);
        border-radius: 0 0 var(--radius-md) var(--radius-md);
        box-shadow: var(--shadow-md);
        width: 100%;
        gap: 1rem;
        margin-top: 1rem;
    }
    
    #nav-menu.active {
        display: flex;
        animation: slideDown 0.3s ease;
    }
    
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    #nav-menu a {
        width: 100%;
        text-align: center;
        padding: var(--spacing-sm);
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    }
    
    .contact-btn {
        width: 100%;
        margin-top: var(--spacing-xs);
    }
    
    main {
        margin-top: 140px;
        padding: 1rem;
    }
    
    .assistant-section {
        padding: 1.5rem;
        margin-bottom: 2rem;
    }
    
    .assistant-section h2 {
        font-size: 2rem;
    }
    
    .card-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    .card img {
        width: 100px;
        height: 100px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    footer {
        padding: var(--spacing-sm) 0;
    }
    
    .footer-content {
        padding: 0 var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.2rem;
    }
    
    .assistant-section {
        padding: 1rem;
    }
    
    .assistant-section h2 {
        font-size: 1.8rem;
    }
    
    .card {
        padding: 1rem;
    }
    
    .card img {
        width: 80px;
        height: 80px;
    }
    
    .card h4 {
        font-size: 1rem;
    }
    
    .card p {
        font-size: 0.8rem;
        padding: 0.5rem 1rem;
    }
    
    footer {
        padding: var(--spacing-sm) 0;
    }
    
    .footer-content {
        padding: 0 var(--spacing-sm);
    }
    
    .footer-content p {
        font-size: 0.8rem;
    }
    
    .sosmed img {
        height: 20px;
        width: 20px;
    }
}

/* ===== ANIMATIONS & UTILITIES ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    animation: fadeInUp 0.6s ease forwards;
}

.card:nth-child(2n) {
    animation-delay: 0.1s;
}

.card:nth-child(3n) {
    animation-delay: 0.2s;
}

.card:nth-child(4n) {
    animation-delay: 0.3s;
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== SCROLL INDICATORS ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--soft-white);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-green), var(--primary-light));
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--primary-dark), var(--primary-green));
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== FOCUS STATES ===== */
a:focus, button:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.card:focus-within,
#nav-menu a:focus,
.contact-btn:focus,
.sosmed a:focus {
    outline: 2px solid var(--primary-green);
    outline-offset: 2px;
}

/* ===== PRINT STYLES ===== */
@media print {
    header, .sosmed {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    main {
        margin-top: 0;
    }
    
    .card:hover {
        transform: none;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }
}