/* ===================================
   SYSTEMPRO - Professional CSS
   =================================== */

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary: #0ea5e9;
    --primary-dark: #0284c7;
    --secondary: #22c55e;
    --secondary-dark: #16a34a;
    --dark: #020617;
    --dark-light: #0f172a;
    --dark-lighter: #1e293b;
    --light: #f1f5f9;
    --white: #ffffff;
    --gray: #64748b;
    --gray-light: #cbd5e1;
    --danger: #ef4444;
    --success: #22c55e;
    --warning: #f59e0b;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0ea5e9 0%, #22c55e 100%);
    --gradient-dark: linear-gradient(180deg, #020617 0%, #0f172a 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.3);
    
    /* Transitions */
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--dark);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* ===================================
   NAVIGATION
   =================================== */
.navbar {
    background: rgba(2, 6, 23, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
}

.logo {
    font-size: 2rem;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
}

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--white);
    transition: var(--transition);
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
    padding: 120px 20px 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(14, 165, 233, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(34, 197, 94, 0.1) 0%, transparent 50%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.hero-content {
    max-width: 800px;
    text-align: center;
    z-index: 1;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    color: var(--gray-light);
    margin-bottom: 1rem;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--gray);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-animation {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
}

.floating-card {
    position: absolute;
    font-size: 3rem;
    opacity: 0.1;
    animation: floatRandom 20s infinite;
}

.floating-card:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-card:nth-child(2) {
    top: 60%;
    right: 10%;
    animation-delay: 2s;
}

.floating-card:nth-child(3) {
    bottom: 20%;
    left: 15%;
    animation-delay: 4s;
}

@keyframes floatRandom {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(20px, -20px) rotate(5deg); }
    50% { transform: translate(-20px, 20px) rotate(-5deg); }
    75% { transform: translate(20px, 20px) rotate(3deg); }
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    text-align: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-secondary:hover {
    background: var(--white);
    color: var(--dark);
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.125rem;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* ===================================
   SERVICES SECTION
   =================================== */
.services {
    padding: 100px 20px;
    background: var(--dark-light);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    text-align: center;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    color: var(--gray);
    font-size: 1.125rem;
    margin-bottom: 3rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--dark-lighter);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

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

.service-card.featured {
    border: 2px solid var(--primary);
    background: linear-gradient(135deg, var(--dark-lighter) 0%, rgba(14, 165, 233, 0.1) 100%);
}

.featured-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--primary);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: bold;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.service-card p {
    color: var(--gray);
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
}

.service-features li {
    color: var(--gray-light);
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.service-features li:last-child {
    border-bottom: none;
}

/* ===================================
   CONTACT INFO
   =================================== */
.contact-info {
    padding: 80px 20px;
    background: var(--dark);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem;
    background: var(--dark-lighter);
    border-radius: 15px;
    text-decoration: none;
    color: var(--white);
    transition: var(--transition);
    border: 2px solid transparent;
}

.contact-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.contact-item.whatsapp:hover { border-color: #25d366; }
.contact-item.instagram:hover { border-color: #e4405f; }
.contact-item.tiktok:hover { border-color: #000000; }
.contact-item.email:hover { border-color: var(--primary); }

.contact-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact-label {
    font-size: 0.875rem;
    color: var(--gray);
    margin-bottom: 0.5rem;
}

.contact-value {
    font-size: 1.125rem;
    font-weight: 600;
}

/* ===================================
   CONTACT FORM
   =================================== */
.contact-form-section {
    padding: 100px 20px;
    background: var(--dark-light);
}

.form-wrapper {
    max-width: 600px;
    margin: 0 auto;
    background: var(--dark-lighter);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
}

.form-header {
    text-align: center;
    margin-bottom: 2rem;
}

.form-header h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.form-header p {
    color: var(--gray);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--gray-light);
    font-weight: 500;
}

input[type="text"],
input[type="email"],
input[type="password"],
textarea {
    width: 100%;
    padding: 1rem;
    background: var(--dark);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--white);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

.form-error {
    color: var(--danger);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: block;
}

.char-count {
    text-align: right;
    font-size: 0.875rem;
    color: var(--gray);
    margin-top: 0.5rem;
}

/* ===================================
   ALERTS
   =================================== */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
}

.alert-icon {
    font-size: 1.5rem;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--dark);
    padding: 60px 20px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--white);
}

.footer-section p,
.footer-section ul {
    color: var(--gray);
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--gray);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray);
}

/* ===================================
   LOGIN PAGE
   =================================== */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--gradient-dark);
    position: relative;
}

.login-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(14, 165, 233, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(34, 197, 94, 0.1) 0%, transparent 50%);
}

.login-container {
    width: 100%;
    max-width: 450px;
    padding: 20px;
    z-index: 1;
}

.login-box {
    background: var(--dark-lighter);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header .logo {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
}

.login-header h1 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--gray);
}

.login-footer {
    text-align: center;
    margin-top: 1.5rem;
}

.login-footer a {
    color: var(--gray);
    text-decoration: none;
    transition: var(--transition);
}

.login-footer a:hover {
    color: var(--primary);
}

/* ===================================
   ADMIN PANEL
   =================================== */
.admin-panel {
    background: var(--dark);
    min-height: 100vh;
}

.admin-header {
    background: var(--dark-lighter);
    padding: 1.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.admin-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: bold;
}

.admin-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-name {
    color: var(--gray-light);
    font-weight: 500;
}

.admin-content {
    padding: 3rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: var(--dark-lighter);
    padding: 2rem;
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.stat-icon {
    font-size: 2.5rem;
}

.stat-info h3 {
    font-size: 2rem;
    margin-bottom: 0.25rem;
}

.stat-info p {
    color: var(--gray);
    font-size: 0.875rem;
}

.panel-section {
    background: var(--dark-lighter);
    border-radius: 15px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.badge {
    background: var(--primary);
    color: var(--white);
    padding: 0.375rem 0.875rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead {
    background: rgba(14, 165, 233, 0.1);
}

.data-table th,
.data-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.data-table th {
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    font-size: 0.875rem;
}

.data-table tbody tr {
    transition: var(--transition);
}

.data-table tbody tr:hover {
    background: rgba(14, 165, 233, 0.05);
}

.message-cell {
    max-width: 300px;
}

.message-preview {
    margin-bottom: 0.5rem;
}

.btn-link {
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    font-size: 0.875rem;
    text-decoration: underline;
}

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

.date-badge,
.ip-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 5px;
    font-size: 0.875rem;
    background: rgba(100, 116, 139, 0.2);
    color: var(--gray-light);
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: rgba(100, 116, 139, 0.2);
    text-decoration: none;
    transition: var(--transition);
    font-size: 1.125rem;
}

.btn-icon:hover {
    transform: scale(1.1);
}

.btn-whatsapp:hover { background: rgba(37, 211, 102, 0.2); }
.btn-email:hover { background: rgba(14, 165, 233, 0.2); }

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--gray);
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.pagination-info {
    color: var(--gray);
    font-size: 0.875rem;
}

/* ===================================
   MODAL
   =================================== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--dark-lighter);
    padding: 2rem;
    border-radius: 15px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 2rem;
    color: var(--gray);
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--white);
}

.modal-content h3 {
    margin-bottom: 1rem;
}

.modal-content p {
    color: var(--gray-light);
    line-height: 1.8;
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--dark-lighter);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero {
        padding: 100px 20px 60px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .services-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .admin-nav {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .data-table {
        font-size: 0.875rem;
    }
    
    .data-table th,
    .data-table td {
        padding: 0.75rem 0.5rem;
    }
    
    .message-cell {
        max-width: 200px;
    }
}

@media (max-width: 480px) {
    .login-box,
    .form-wrapper {
        padding: 2rem 1.5rem;
    }
    
    .panel-section {
        padding: 1.5rem 1rem;
    }
}

/* ===================================
   UTILITY CLASSES
   =================================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }

/* ===================================
   SCROLLBAR
   =================================== */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--dark-lighter);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}