/* ===== 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;
    
    /* 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(--dark-color);
    background-color: var(--white);
    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);
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    height: 100vh;
    margin-top: 80px; /* Offset untuk header */
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(144, 179, 69, 0.8), rgba(250, 252, 248, 0.7));
}

.carousel {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.slides {
    display: flex;
    width: 400%;
    height: 100%;
    animation: slide 16s infinite;
}

.slides img {
    width: 25%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

@keyframes slide {
    0%, 20% { transform: translateX(0); }
    25%, 45% { transform: translateX(-25%); }
    50%, 70% { transform: translateX(-50%); }
    75%, 95% { transform: translateX(-75%); }
    100% { transform: translateX(0); }
}

.hero-text {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    color: var(--white);
    text-align: center;
    z-index: 1;
}

.hero-text h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
}

.hero-text h2 span {
    color: var(--warning-color);
    display: block;
}

.hero-text p {
    font-size: clamp(1rem, 2vw, 1.2rem);
    margin-bottom: var(--spacing-lg);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    opacity: 0;
    animation: fadeInUp 1s ease 0.3s forwards;
    line-height: 1.8;
}

.btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 1.1rem;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    opacity: 0;
    animation: fadeInUp 1s ease 0.6s forwards;
}

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

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

.btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== INFO SECTION ===== */
.info {
    padding: var(--spacing-xl) var(--spacing-md);
    background: linear-gradient(135deg, var(--light-color), var(--white));
}

.info-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.box {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.box:hover::before {
    transform: scaleX(1);
}

.box:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.box h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
    font-weight: 600;
}

.box p {
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    color: var(--gray-dark);
}

.box img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    transition: transform var(--transition-normal);
}

/* Khusus untuk gambar diagram sistem komunikasi */
.box:first-child img {
    max-width: 90%;
    width: 90%;
    height: auto;
    margin: var(--spacing-md) auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    display: block;
}

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

/* ===== VISI MISI SECTION ===== */
.visimisi {
    padding: var(--spacing-xl) var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
}

.visimisi h2 {
    text-align: center;
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-xl);
    font-weight: 700;
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.visi-misi-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.visi, .misi {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-normal);
}

.visi:hover, .misi:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.visi h3, .misi h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
    font-weight: 600;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.visi p, .misi ul {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--white);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.misi ul {
    list-style: none;
    padding-left: 0;
}

.misi li {
    margin-bottom: var(--spacing-sm);
    position: relative;
    padding-left: var(--spacing-md);
    color: var(--white);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.misi li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--warning-color);
    font-weight: bold;
    font-size: 1.2rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* ===== 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) {
    :root {
        --spacing-xs: 0.25rem;
        --spacing-sm: 0.5rem;
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
    }
    
    header {
        padding: var(--spacing-sm);
    }
    
    .hero {
        margin-top: 70px; /* Offset lebih kecil untuk mobile */
        height: calc(100vh - 70px);
    }
    
    .logo h1 {
        font-size: 1.2rem;
    }
    
    #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);
    }
    
    #nav-menu.active {
        display: flex;
    }
    
    #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);
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-text {
        padding: 0 var(--spacing-sm);
    }
    
    .info, .visimisi {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .info-container, .visi-misi-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .box {
        padding: var(--spacing-md);
    }
    
    .visi, .misi {
        padding: var(--spacing-md);
    }
    
    .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) {
    .hero {
        margin-top: 60px; /* Offset lebih kecil untuk mobile kecil */
        height: calc(100vh - 60px);
    }
    
    .hero-text h2 {
        font-size: 2rem;
    }
    
    .hero-text p {
        font-size: 0.9rem;
    }
    
    .btn {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 1rem;
    }
    
    .box h3 {
        font-size: 1.2rem;
    }
    
    .visi h3, .misi h3 {
        font-size: 1.5rem;
    }
    
    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 pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.animate-pulse {
    animation: pulse 2s infinite;
}

.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(--light-color);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-lg);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .slides {
        animation: none;
    }
}

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

/* ===== PRINT STYLES ===== */
@media print {
    header, .carousel, .sosmed {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .hero-text {
        color: var(--dark-color);
    }
    
    .visimisi {
        color: var(--dark-color);
        background: var(--white);
    }
}