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

:root {
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --secondary: #6b7280;
    --success: #10b981;
    --danger: #ef4444;
    --bg: #ffffff;
    --bg-light: #f9fafb;
    --border: #e5e7eb;
    --text: #1f2937;
    --text-light: #6b7280;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text);
    background-color: var(--bg-light);
    line-height: 1.6;
}

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

/* Navigation */
.navbar {
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.navbar-brand {
    display: flex;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text);
    font-weight: 700;
    font-size: 1.5rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-weight: 700;
}

.navbar-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    transition: color 0.3s;
}

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

.btn-login, .btn-dashboard, .btn-logout, .btn-perfil {
    background: var(--primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: background 0.3s;
}

.btn-login:hover, .btn-dashboard:hover, .btn-logout:hover, .btn-perfil:hover {
    background: var(--primary-dark);
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

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

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 0;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 40px;
}

.hero-content {
    flex: 1;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.placeholder-image {
    width: 300px;
    height: 300px;
    background: rgba(255,255,255,0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-image svg {
    width: 100%;
    height: 100%;
}

/* Features Section */
.features {
    padding: 60px 0;
    background: var(--bg);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

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

.feature-card {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.feature-card p {
    color: var(--text-light);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* Auth Forms */
.auth-form-container,
.contact-form-container {
    max-width: 400px;
    margin: 3rem auto;
    background: var(--bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.auth-form h1,
.contact-form-container h1 {
    margin-bottom: 2rem;
    text-align: center;
}

.auth-link {
    text-align: center;
    margin-top: 1rem;
    color: var(--text-light);
}

.auth-link a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

/* Dashboard */
.dashboard-container {
    display: flex;
    height: calc(100vh - 80px);
}

.sidebar {
    width: 250px;
    background: var(--bg);
    border-right: 1px solid var(--border);
    padding: 2rem 0;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
}

.sidebar-link {
    padding: 1rem 1.5rem;
    color: var(--text);
    text-decoration: none;
    transition: all 0.3s;
    border-left: 3px solid transparent;
}

.sidebar-link:hover,
.sidebar-link.active {
    background: var(--bg-light);
    color: var(--primary);
    border-left-color: var(--primary);
}

.dashboard-content {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
}

.dashboard-section {
    display: none;
}

.dashboard-section.active {
    display: block;
}

.clients-list,
.documents-list {
    margin-top: 2rem;
}

.client-card,
.document-card {
    background: var(--bg);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.client-card h3,
.document-card h3 {
    margin-bottom: 0.5rem;
}

.client-card p,
.document-card p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.card-actions {
    display: flex;
    gap: 0.5rem;
}

.card-actions button {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Modals */
.modal {
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--bg);
    padding: 2rem;
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    position: relative;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.close {
    position: absolute;
    right: 1rem;
    top: 1rem;
    font-size: 2rem;
    font-weight: bold;
    color: var(--text-light);
    cursor: pointer;
    transition: color 0.3s;
}

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

.modal-content h2 {
    margin-bottom: 1.5rem;
}

/* Profile */
.profile-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.profile-section {
    background: var(--bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.profile-section h2 {
    margin-bottom: 1.5rem;
    color: var(--primary);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.service-card {
    background: var(--bg);
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary);
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateX(5px);
}

.service-card h3 {
    color: var(--primary);
    margin-bottom: 1rem;
}

/* Content Box */
.content-box {
    background: var(--bg);
    padding: 2rem;
    border-radius: 12px;
    margin-top: 2rem;
}

.content-box h2 {
    color: var(--primary);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.content-box h2:first-child {
    margin-top: 0;
}

.content-box p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar-menu {
        gap: 1rem;
    }

    .hero .container {
        flex-direction: column;
        padding: 30px 0;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .dashboard-container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding: 1rem 0;
    }

    .sidebar-nav {
        flex-direction: row;
        overflow-x: auto;
    }

    .sidebar-link {
        white-space: nowrap;
        border-left: none;
        border-bottom: 3px solid transparent;
    }

    .sidebar-link.active {
        border-bottom-color: var(--primary);
    }
}

/* Utility Classes */
.page {
    min-height: calc(100vh - 80px);
    padding: 2rem 0;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

h3 {
    font-size: 1.5rem;
}

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

.mt-2 {
    margin-top: 2rem;
}

.mb-2 {
    margin-bottom: 2rem;
}