/* ============================================================
   KasiBuddy Categories Page - Complete Styles
   ============================================================ */

:root {
    --primary: #FF6B35;
    --primary-dark: #E85A24;
    --primary-light: #FF8A5C;
    --secondary: #00A896;
    --secondary-dark: #00887A;
    --secondary-light: #02C3A7;
    --dark: #1A1A2E;
    --dark-light: #16213E;
    --success: #2ECC71;
    --warning: #f39c12;
    --danger: #E74C3C;
    --gray: #6C757D;
    --gray-light: #E9ECEF;
    --gray-dark: #343A40;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
    --radius: 16px;
    --radius-sm: 12px;
    --radius-xs: 8px;
    --transition: all 0.3s ease;
    --font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
    color: #333;
    line-height: 1.6;
    min-height: 100vh;
}

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

/* ----- HEADER ----- */
header {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
    color: white;
    padding: 15px 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 3px solid var(--primary);
    object-fit: cover;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-size: 1.3rem;
    font-weight: 800;
    background: linear-gradient(90deg, var(--primary), #FF9A3C);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.brand-slogan {
    font-size: 0.7rem;
    color: #A0AEC0;
}

.back-link {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    transition: var(--transition);
}

.back-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* ----- HERO ----- */
.hero {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 60px 0;
    text-align: center;
    margin-bottom: 40px;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 15px;
}

.hero-title i {
    color: white;
}

.hero-subtitle {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.hero-stat {
    text-align: center;
}

.hero-stat .number {
    font-size: 2.2rem;
    font-weight: 800;
}

.hero-stat .label {
    font-size: 0.85rem;
    opacity: 0.8;
}

/* ----- FILTER SECTION ----- */
.filter-section {
    background: white;
    border-radius: var(--radius);
    padding: 25px 30px;
    margin-bottom: 40px;
    box-shadow: var(--shadow);
}

.filter-row {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    align-items: center;
}

.filter-row input {
    flex: 1;
    min-width: 200px;
    padding: 12px 20px;
    border: 2px solid var(--gray-light);
    border-radius: 50px;
    font-size: 1rem;
    transition: var(--transition);
    background: white;
}

.filter-row input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.1);
}

.filter-row select {
    padding: 12px 20px;
    border: 2px solid var(--gray-light);
    border-radius: 50px;
    font-size: 1rem;
    background: white;
    cursor: pointer;
    min-width: 180px;
    transition: var(--transition);
}

.filter-row select:focus {
    outline: none;
    border-color: var(--primary);
}

.filter-row .result-count {
    color: var(--gray);
    font-size: 0.9rem;
    margin-left: auto;
    white-space: nowrap;
}

/* ----- CATEGORY GROUPS ----- */
.category-group {
    background: white;
    border-radius: var(--radius);
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
    border-left: 5px solid var(--primary);
    transition: var(--transition);
    cursor: pointer;
}

.category-group:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.category-group.service-group {
    border-left-color: var(--secondary);
}

.category-group .group-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    flex-wrap: wrap;
}

.category-group .group-header-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.category-group .group-icon {
    font-size: 2rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 107, 53, 0.1);
    border-radius: 50%;
    flex-shrink: 0;
}

.category-group.service-group .group-icon {
    background: rgba(0, 168, 150, 0.1);
}

.category-group .group-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark);
}

.category-group .group-badge {
    font-size: 0.7rem;
    padding: 4px 14px;
    border-radius: 50px;
    background: var(--primary);
    color: white;
    font-weight: 600;
}

.category-group.service-group .group-badge {
    background: var(--secondary);
}

.category-group .group-description {
    color: var(--gray);
    font-size: 0.95rem;
    margin-top: 8px;
    padding-left: 64px;
}

.category-group .group-toggle {
    background: none;
    border: 2px solid var(--gray-light);
    border-radius: 50px;
    padding: 6px 18px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gray);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.category-group .group-toggle:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.category-group.service-group .group-toggle:hover {
    border-color: var(--secondary);
    color: var(--secondary);
}

.category-group .group-toggle .arrow {
    transition: transform 0.3s ease;
}

.category-group .group-toggle.active .arrow {
    transform: rotate(180deg);
}

/* ----- CATEGORY ITEMS (collapsible) ----- */
.category-items {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 2px solid var(--gray-light);
    display: none;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 8px;
}

.category-items.open {
    display: grid;
}

.category-item {
    padding: 8px 14px;
    border-radius: var(--radius-xs);
    border: 1px solid var(--gray-light);
    background: white;
    font-size: 0.85rem;
    color: var(--dark);
    transition: var(--transition);
    cursor: default;
    display: flex;
    align-items: center;
    gap: 8px;
}

.category-item .item-icon {
    font-size: 0.9rem;
    flex-shrink: 0;
}

.category-item:hover {
    border-color: var(--primary);
    background: rgba(255, 107, 53, 0.04);
    transform: translateX(4px);
}

.category-group.service-group .category-item:hover {
    border-color: var(--secondary);
    background: rgba(0, 168, 150, 0.04);
}

.category-item .item-name {
    flex: 1;
}

/* ----- NO RESULTS ----- */
.no-results {
    text-align: center;
    padding: 80px 20px;
    color: var(--gray);
    display: none;
}

.no-results i {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.3;
}

.no-results h3 {
    font-size: 1.5rem;
    color: var(--dark);
    margin-bottom: 10px;
}

/* ----- MODAL ----- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: white;
    border-radius: var(--radius);
    max-width: 650px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    padding: 35px 40px;
    position: relative;
    animation: fadeInUp 0.35s ease;
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    background: none;
    border: none;
    font-size: 1.6rem;
    color: var(--gray);
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

.modal-close:hover {
    color: var(--danger);
    transform: rotate(90deg);
}

.modal .modal-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.modal .modal-title {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 5px;
}

.modal .modal-badge {
    display: inline-block;
    padding: 4px 16px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--primary);
    color: white;
    margin-bottom: 15px;
}

.modal .modal-badge.service {
    background: var(--secondary);
}

.modal .modal-description {
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 18px;
}

.modal .modal-examples {
    background: rgba(255, 107, 53, 0.06);
    border-left: 4px solid var(--primary);
    padding: 15px 20px;
    border-radius: var(--radius-xs);
    margin-bottom: 15px;
}

.modal .modal-examples.service-examples {
    background: rgba(0, 168, 150, 0.06);
    border-left-color: var(--secondary);
}

.modal .modal-examples strong {
    color: var(--dark);
    display: block;
    margin-bottom: 6px;
}

.modal .modal-examples ul {
    padding-left: 20px;
    color: var(--gray);
    font-size: 0.9rem;
    list-style: none;
}

.modal .modal-examples ul li::before {
    content: "• ";
    color: var(--primary);
    font-weight: 700;
}

.modal .modal-examples.service-examples ul li::before {
    color: var(--secondary);
}

.modal .modal-examples ul li {
    margin-bottom: 3px;
}

.modal .modal-highlight {
    background: rgba(46, 204, 113, 0.08);
    border-left: 4px solid var(--success);
    padding: 15px 20px;
    border-radius: var(--radius-xs);
    margin: 15px 0;
}

.modal .modal-highlight strong {
    color: var(--dark);
}

.modal .modal-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.modal .btn-primary {
    background: var(--primary);
    color: white;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
}

.modal .btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 107, 53, 0.3);
}

.modal .btn-secondary {
    background: transparent;
    color: var(--primary);
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    border: 2px solid var(--primary);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
}

.modal .btn-secondary:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* ----- CTA SECTION ----- */
.cta-section {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius);
    padding: 50px 40px;
    text-align: center;
    color: white;
    margin-bottom: 50px;
}

.cta-section h2 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 15px;
}

.cta-section p {
    margin-bottom: 25px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-btn {
    padding: 14px 35px;
    border-radius: 50px;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

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

.cta-btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.cta-btn.secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.cta-btn.secondary:hover {
    background: white;
    color: var(--primary);
    transform: translateY(-3px);
}

/* ----- FOOTER ----- */
footer {
    background: var(--dark);
    color: white;
    padding: 40px 0 20px;
    margin-top: 60px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    text-align: center;
}

.footer-logo-img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid var(--primary);
    object-fit: cover;
}

.footer-brand {
    font-size: 1.3rem;
    font-weight: 800;
    background: linear-gradient(90deg, var(--primary), #FF9A3C);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.footer-section h3 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    position: relative;
    padding-bottom: 10px;
}

.footer-section h3::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #A0AEC0;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.footer-links a:hover {
    color: white;
    padding-left: 5px;
}

.footer-bottom {
    max-width: 1200px;
    margin: 30px auto 0;
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #A0AEC0;
    font-size: 0.85rem;
}

.corporate-info {
    font-size: 0.7rem;
    color: #A0AEC0;
    margin-top: 10px;
    text-align: center;
}

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

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

/* ----- RESPONSIVE ----- */
@media (max-width: 992px) {
    .hero-title {
        font-size: 2rem;
    }
    .category-items {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 1.6rem;
    }
    .hero-stats {
        gap: 25px;
    }
    .hero-stat .number {
        font-size: 1.6rem;
    }
    .filter-row {
        flex-direction: column;
    }
    .filter-row input,
    .filter-row select {
        width: 100%;
    }
    .filter-row .result-count {
        margin-left: 0;
    }
    .category-group {
        padding: 20px;
    }
    .category-group .group-description {
        padding-left: 0;
    }
    .category-group .group-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .category-items {
        grid-template-columns: 1fr;
    }
    .modal {
        padding: 25px;
        margin: 10px;
    }
    .modal .modal-actions {
        flex-direction: column;
    }
    .modal .modal-actions .btn-primary,
    .modal .modal-actions .btn-secondary {
        width: 100%;
        justify-content: center;
    }
    .cta-section {
        padding: 30px 20px;
    }
    .cta-buttons {
        flex-direction: column;
    }
    .cta-btn {
        justify-content: center;
    }
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer-section h3::after {
        left: 50%;
        transform: translateX(-50%);
    }
    .footer-links a {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.3rem;
    }
    .hero-subtitle {
        font-size: 0.9rem;
    }
    .category-group .group-title {
        font-size: 1.1rem;
    }
    .category-group .group-icon {
        font-size: 1.5rem;
        width: 40px;
        height: 40px;
    }
}