/* ===========================
   NAVBAR STYLES
   =========================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--primary-color);
}

.logo i {
    font-size: var(--text-2xl);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-menu li a {
    color: var(--text-primary);
    font-weight: var(--font-medium);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition-base);
}

.nav-menu li a:hover::after,
.nav-menu li a.active::after {
    width: 100%;
}

.nav-menu li a:hover {
    color: var(--primary-color);
}

.nav-buttons {
    display: flex;
    gap: var(--spacing-md);
}

.btn-login {
    padding: 10px 20px;
    color: var(--primary-color);
    font-weight: var(--font-medium);
    transition: all var(--transition-fast);
}

.btn-login:hover {
    color: var(--primary-dark);
}

.btn-register {
    padding: 10px 24px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: var(--radius-md);
    font-weight: var(--font-medium);
    transition: all var(--transition-base);
}

.btn-register:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    transition: all var(--transition-base);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===========================
   HERO SECTION
   =========================== */

.hero {
    margin-top: 80px;
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-text {
    animation: slideInLeft 0.8s ease-out;
}

.hero-title {
    font-size: var(--text-5xl);
    font-weight: var(--font-extrabold);
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

.hero-image {
    position: relative;
    animation: slideInRight 0.8s ease-out;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    object-fit: cover;
}

/* ===========================
   FEATURES SECTION
   =========================== */

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.feature-card {
    background-color: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
    cursor: pointer;
}

.feature-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-3xl);
    color: var(--white);
    transition: all var(--transition-base);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.feature-card p {
    font-size: var(--text-base);
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===========================
   CATEGORIES SECTION
   =========================== */

.categories {
    background-color: var(--bg-secondary);
}

/* Layout untuk 2 card vertikal */
.categories-grid-vertical {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.category-card-vertical {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.category-card-vertical:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

/* Gambar persegi (1:1 ratio) */
.category-image-square {
    width: 100%;
    padding-top: 100%; /* Membuat rasio 1:1 */
    overflow: hidden;
    position: relative;
}

.category-image-square::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.3) 100%);
    z-index: 1;
    transition: all var(--transition-base);
}

.category-card-vertical:hover .category-image-square::before {
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 123, 255, 0.5) 100%);
}

.category-image-square img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.category-card-vertical:hover .category-image-square img {
    transform: scale(1.1);
}

/* Blur effect untuk coming soon */
.category-image-square.blur img {
    filter: blur(8px);
}

.blur-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 2;
    color: white;
    text-align: center;
    padding: var(--spacing-lg);
    background: rgba(0, 0, 0, 0.4);
}

.blur-overlay i {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

.blur-overlay h3 {
    color: white;
    font-size: var(--text-2xl);
    margin-bottom: var(--spacing-sm);
}

.blur-overlay p {
    color: rgba(255, 255, 255, 0.9);
}

.category-content {
    padding: var(--spacing-lg);
}

.category-content h3 {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.category-content p {
    font-size: var(--text-base);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.category-content.disabled {
    opacity: 0.6;
}

.category-content button:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

/* Old categories grid - keep for backward compatibility but hide */
.categories-grid {
    display: none;
}

.category-card {
    display: none;
}

.category-image {
    display: none;
}

/* ===========================
   HOW IT WORKS SECTION
   =========================== */

.how-it-works {
    background-color: var(--white);
}

.steps-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
    background-color: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.step:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    transform: translateX(10px);
}

.step-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--white);
}

.step-content h3 {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.step-content p {
    font-size: var(--text-base);
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===========================
   CTA SECTION
   =========================== */

.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    padding: var(--spacing-3xl) 0;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

.cta-content p {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

/* ===========================
   FOOTER
   =========================== */

.footer {
    background-color: var(--gray-900);
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-lg) 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-logo i {
    font-size: var(--text-2xl);
    color: var(--primary-light);
}

.footer-column h4 {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-column ul li a {
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

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

.footer-column p {
    color: var(--gray-400);
    font-size: var(--text-sm);
}

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

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .hero-image {
        order: -1;
    }
}

@media (max-width: 768px) {
    /* Navbar Mobile */
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding: var(--spacing-xl);
        gap: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        transition: left var(--transition-base);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-buttons {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    /* Hero Mobile - Gambar kiri, text kanan */
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .hero-text {
        order: 2;
    }
    
    .hero-image {
        order: 1;
    }
    
    .hero-title {
        font-size: var(--text-2xl);
    }
    
    .hero-subtitle {
        font-size: var(--text-sm);
    }
    
    /* Untuk mobile landscape atau tablet kecil */
    @media (min-width: 480px) and (max-width: 768px) {
        .hero-content {
            grid-template-columns: 0.8fr 1.2fr;
            gap: var(--spacing-lg);
            align-items: center;
        }
        
        .hero-image {
            order: 1;
        }
        
        .hero-text {
            order: 2;
        }
        
        .hero-image img {
            width: 100%;
            height: auto;
        }
    }
    
    /* Features - 3 card horizontal kecil */
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
    }
    
    .feature-card {
        padding: var(--spacing-md);
    }
    
    .feature-icon {
        width: 50px;
        height: 50px;
        font-size: var(--text-lg);
        margin-bottom: var(--spacing-sm);
    }
    
    .feature-card h3 {
        font-size: var(--text-sm);
        margin-bottom: var(--spacing-xs);
    }
    
    .feature-card p {
        font-size: var(--text-xs);
    }
    
    /* Categories - Stack kebawah (sudah OK) */
    .categories-grid-vertical {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    /* Steps - 3 horizontal kecil */
    .steps-container {
        flex-direction: row;
        gap: var(--spacing-sm);
        max-width: 100%;
    }
    
    .step {
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
        text-align: center;
        flex: 1;
    }
    
    .step:hover {
        transform: translateY(-5px);
    }
    
    .step-number {
        width: 40px;
        height: 40px;
        font-size: var(--text-lg);
        margin: 0 auto;
    }
    
    .step-content h3 {
        font-size: var(--text-sm);
        margin-bottom: var(--spacing-xs);
    }
    
    .step-content p {
        font-size: var(--text-xs);
    }
    
    /* Footer - Horizontal kecil */
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .footer-column {
        text-align: left;
    }
    
    .footer-column h4 {
        font-size: var(--text-sm);
        margin-bottom: var(--spacing-sm);
    }
    
    .footer-column ul li {
        margin-bottom: var(--spacing-xs);
    }
    
    .footer-column ul li a {
        font-size: var(--text-xs);
    }
    
    .footer-logo {
        font-size: var(--text-base);
    }
    
    .footer-column p {
        font-size: var(--text-xs);
    }
}

@media (max-width: 480px) {
    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
    }
    
    .hero-image {
        order: 1;
    }
    
    .hero-text {
        order: 2;
    }
    
    /* Features stack kebawah di mobile sangat kecil */
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .feature-card {
        padding: var(--spacing-lg);
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: var(--text-xl);
    }
    
    .feature-card h3 {
        font-size: var(--text-base);
    }
    
    .feature-card p {
        font-size: var(--text-sm);
    }
    
    /* Steps stack kebawah */
    .steps-container {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .step {
        padding: var(--spacing-lg);
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: var(--text-xl);
    }
    
    .step-content h3 {
        font-size: var(--text-base);
    }
    
    .step-content p {
        font-size: var(--text-sm);
    }
    
    /* Footer stack kebawah */
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .btn-cta, .btn-cta-white {
        width: 100%;
        padding: 14px 24px;
    }
}