/* Base Styles */
:root {
    --primary-color: #2563eb;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --text-color: #334155;
    --bg-color: #ffffff;
    --footer-bg: #1e293b;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-700: #374151;
    --spacing-1: 8px;
    --spacing-2: 16px;
    --spacing-3: 24px;
    --spacing-4: 32px;
    --spacing-5: 48px;
    --spacing-6: 64px;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-3);
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: var(--spacing-2);
    line-height: 1.2;
    font-weight: 700;
    color: var(--dark-color);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: var(--spacing-2);
}

/* Header & Navigation */
header {
    background-color: var(--bg-color);
    box-shadow: var(--box-shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-2) var(--spacing-3);
}

.logo-circle {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.2rem;
    transition: var(--transition);
}

.logo-circle:hover {
    transform: scale(1.05);
    background-color: var(--secondary-color);
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: var(--spacing-3);
}

nav ul li a {
    color: var(--dark-color);
    font-weight: 500;
    padding: var(--spacing-1) 0;
    position: relative;
}

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

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

nav ul li a.active {
    color: var(--primary-color);
}

.nav-toggle {
    display: none;
}

.nav-toggle-label {
    display: none;
    cursor: pointer;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

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

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

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

.btn-whatsapp {
    background-color: #25D366;
    color: white;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-1);
}

.btn-whatsapp:hover {
    background-color: #128C7E;
    color: white;
    transform: translateY(-2px);
}

/* Footer */
footer {
    background-color: var(--footer-bg);
    color: white;
    padding: var(--spacing-5) 0 var(--spacing-2);
    margin-top: var(--spacing-6);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-4);
}

.footer-info h3,
.footer-contact h3,
.footer-links h3 {
    color: white;
    margin-bottom: var(--spacing-2);
    font-size: 1.2rem;
}

.footer-contact p {
    margin-bottom: var(--spacing-1);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-1);
}

.footer-contact i {
    margin-top: 4px;
    color: var(--accent-color);
}

.footer-links ul li {
    margin-bottom: var(--spacing-1);
}

.footer-links ul li a {
    color: var(--gray-300);
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: white;
    padding-left: var(--spacing-1);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-2);
    text-align: center;
    font-size: 0.9rem;
    color: var(--gray-300);
}

/* Page Header */
.page-header {
    background-color: var(--primary-color);
    color: white;
    padding: calc(var(--spacing-6) * 2) 0 var(--spacing-5);
    margin-bottom: var(--spacing-5);
    text-align: center;
}

.page-header h1 {
    color: white;
    margin-bottom: 0;
}

/* Responsive Styles */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .logo {
        margin-bottom: var(--spacing-2);
    }
    
    nav {
        width: 100%;
    }
    
    .nav-toggle-label {
        display: block;
        position: absolute;
        top: var(--spacing-3);
        right: var(--spacing-3);
    }
    
    .nav-toggle-label span,
    .nav-toggle-label span::before,
    .nav-toggle-label span::after {
        display: block;
        background: var(--dark-color);
        height: 2px;
        width: 25px;
        position: relative;
    }
    
    .nav-toggle-label span::before,
    .nav-toggle-label span::after {
        content: '';
        position: absolute;
    }
    
    .nav-toggle-label span::before {
        bottom: 8px;
    }
    
    .nav-toggle-label span::after {
        top: 8px;
    }
    
    nav ul {
        display: none;
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 100%;
        left: 0;
        background-color: var(--bg-color);
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
        padding: var(--spacing-2) 0;
    }
    
    nav ul li {
        margin: 0;
        text-align: center;
        padding: var(--spacing-1) 0;
    }
    
    .nav-toggle:checked ~ ul {
        display: flex;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}