/* =================================================================
   Warm Springs Telecom - Main Stylesheet
   ================================================================= */

/* CSS Variables for easy theming */
:root {
    /* Colors - Update these to match your brand */
    --primary-color: #0066cc;
    --primary-dark: #004499;
    --secondary-color: #ff6600;
    --text-dark: #333333;
    --text-light: #666666;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --success-color: #28a745;
    --hover-color: #0052a3;
    
    /* Typography */
    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Georgia', serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Layout */
    --max-width: 1200px;
    --border-radius: 8px;
    --box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --box-shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-speed: 0.3s;
}

/* =================================================================
   Reset & Base Styles
   ================================================================= */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

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

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

ul {
    list-style: none;
}

/* =================================================================
   Typography
   ================================================================= */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

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

/* =================================================================
   Layout & Container
   ================================================================= */

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

main {
    flex: 1;
}

/* =================================================================
   Header & Navigation
   ================================================================= */

.site-header {
    background-color: var(--bg-white);
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    flex-shrink: 0;
}

.logo-img {
    height: 50px;
    width: auto;
}

.main-nav {
    display: flex;
    align-items: center;
    flex: 1;
    justify-content: flex-end;
}

.nav-list {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: nowrap;
}

.nav-list a {
    color: var(--text-dark);
    font-weight: 500;
    padding: var(--spacing-xs) 0.75rem;
    border-radius: var(--border-radius);
    transition: all var(--transition-speed);
    white-space: nowrap;
    font-size: 0.95rem;
}

.nav-list a:hover,
.nav-list a.active {
    background-color: var(--primary-color);
    color: var(--bg-white);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    margin-left: var(--spacing-sm);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    margin: 3px 0;
    transition: all var(--transition-speed);
    border-radius: 2px;
}

/* =================================================================
   Buttons
   ================================================================= */

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-speed);
    border: 2px solid transparent;
    font-size: 1rem;
}

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

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

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

.btn-secondary:hover {
    background-color: #e55a00;
    color: var(--bg-white);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

/* =================================================================
   Footer
   ================================================================= */

.site-footer {
    background-color: var(--text-dark);
    color: var(--bg-light);
    margin-top: var(--spacing-xl);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-col h4 {
    color: var(--bg-white);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.footer-col ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-col a {
    color: var(--bg-light);
    font-size: 0.95rem;
}

.footer-col a:hover {
    color: var(--bg-white);
    text-decoration: underline;
}

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

.footer-bottom p {
    margin-bottom: var(--spacing-sm);
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--bg-light);
    font-size: 0.9rem;
}

/* =================================================================
   Cards & Service Sections
   ================================================================= */

.service-card {
    background-color: var(--bg-white);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--box-shadow);
    transition: all var(--transition-speed);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-lg);
}

.service-icon {
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.service-icon img {
    width: 60px;
    height: 60px;
    margin: 0 auto;
    object-fit: contain;
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.service-card p {
    flex: 1;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.service-card .btn {
    align-self: center;
}

/* =================================================================
   Forms
   ================================================================= */

.form-group {
    margin-bottom: var(--spacing-md);
}

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: border-color var(--transition-speed);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.form-error {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

/* =================================================================
   Utility Classes
   ================================================================= */

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

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

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

.pt-1 { padding-top: var(--spacing-sm); }
.pt-2 { padding-top: var(--spacing-md); }
.pt-3 { padding-top: var(--spacing-lg); }

.pb-1 { padding-bottom: var(--spacing-sm); }
.pb-2 { padding-bottom: var(--spacing-md); }
.pb-3 { padding-bottom: var(--spacing-lg); }

/* =================================================================
   Responsive Design
   ================================================================= */

/* Tablet/Small Desktop - Compact Navigation */
@media (max-width: 1024px) {
    .nav-list {
        gap: 0.5rem;
    }
    
    .nav-list a {
        padding: var(--spacing-xs) 0.5rem;
        font-size: 0.9rem;
    }
    
    .logo-img {
        height: 45px;
    }
}

/* Mobile Navigation */
@media (max-width: 768px) {
    :root {
        font-size: 14px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    h3 {
        font-size: 1.25rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .logo-img {
        height: 40px;
    }
    
    /* Mobile Navigation */
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-list {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--bg-white);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding: var(--spacing-md);
        transition: left var(--transition-speed);
        box-shadow: var(--box-shadow);
        gap: var(--spacing-sm);
    }
    
    .nav-list.active {
        left: 0;
    }
    
    .nav-list a {
        width: 100%;
        text-align: center;
        padding: var(--spacing-md);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
}

@media (max-width: 480px) {
    .btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.9rem;
    }
}