/* ========================================
   CSS Reset and Box Sizing
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ========================================
   CSS Variables
   ======================================== */
:root {
    /* Color palette from sor.png logo */
    --primary-teal: #2D8B8B;
    --light-teal: #7BC4C4;
    --coral-accent: #E87461;
    --cream-bg: #F5F1E8;
    --deep-navy: #2C3E4F;
    
    /* Supporting colors */
    --white: #FFFFFF;
    --text-gray: #333333;
    --light-gray: #F5F5F5;
    --border-gray: #CCCCCC;
    
    /* Legacy variable mappings for compatibility */
    --primary-blue: var(--primary-teal);
    --light-blue: var(--light-teal);
    --dark-blue: var(--deep-navy);
    
    /* Layout variables */
    --max-width: 1200px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
}

/* ========================================
   Base Styles
   ======================================== */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, Helvetica, sans-serif;
    color: var(--text-gray);
    line-height: 1.6;
    background-color: var(--cream-bg);
}

h1, h2, h3, h4, h5, h6 {
    color: var(--deep-navy);
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

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

a {
    color: var(--primary-teal);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* ========================================
   Layout Components
   ======================================== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

main {
    min-height: calc(100vh - 200px);
}

/* ========================================
   Header Styles
   ======================================== */
header {
    background-color: var(--white);
    border-bottom: 3px solid var(--primary-teal);
    padding: var(--spacing-md) 0;
}

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

.branding {
    flex: 1;
}

.site-title {
    font-size: 1.8rem;
    color: var(--primary-teal);
    margin-bottom: 0.25rem;
}

.tagline {
    font-size: 1rem;
    color: var(--text-gray);
    margin: 0;
}

/* ========================================
   Navigation Styles
   ======================================== */
nav {
    flex-shrink: 0;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--text-gray);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    background-color: var(--light-teal);
    color: var(--primary-teal);
}

/* ========================================
   Footer Styles
   ======================================== */
footer {
    background-color: var(--deep-navy);
    color: var(--white);
    padding: var(--spacing-md) 0;
    margin-top: var(--spacing-xl);
}

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

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

.credentials {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* ========================================
   Hero Section (Homepage)
   ======================================== */
.hero {
    background: linear-gradient(135deg, var(--light-teal) 0%, var(--cream-bg) 100%),
                url('/hero-background.svg') center/cover no-repeat;
    background-blend-mode: overlay;
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-gray);
    max-width: 700px;
    margin: 0 auto;
}

/* ========================================
   About Section (Homepage)
   ======================================== */
.about {
    padding: var(--spacing-lg) var(--spacing-md);
}

.about h2 {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-content p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    text-align: justify;
}

/* ========================================
   Call to Action Section
   ======================================== */
.cta {
    background-color: var(--light-teal);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    margin-top: var(--spacing-lg);
}

.cta h2 {
    margin-bottom: var(--spacing-md);
}

.btn {
    display: inline-block;
    background-color: var(--primary-teal);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: 500;
    transition: background-color 0.3s ease, transform 0.2s ease;
    border: none;
    cursor: pointer;
}

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

.btn:disabled {
    background-color: var(--border-gray);
    cursor: not-allowed;
    transform: none;
}

/* ========================================
   Services Page Styles
   ======================================== */
.services-header {
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
    background-color: var(--light-gray);
}

.services-header h1 {
    margin-bottom: var(--spacing-sm);
}

.services-header p {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}

.services-container {
    padding: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.service {
    background-color: var(--white);
    border-left: 4px solid var(--coral-accent);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border-radius: 4px;
}

.service:nth-child(even) {
    background-color: var(--cream-bg);
    border-left-color: var(--primary-teal);
}

.service h2 {
    color: var(--primary-teal);
    margin-bottom: var(--spacing-sm);
}

.service p {
    font-size: 1.05rem;
    line-height: 1.7;
}

/* ========================================
   Contact Form Styles
   ======================================== */
.contact-header {
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
}

.contact-container {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-md);
}

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

label {
    display: block;
    font-weight: 500;
    color: var(--deep-navy);
    margin-bottom: var(--spacing-xs);
}

.required {
    color: var(--coral-accent);
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--border-gray);
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-teal);
}

input.invalid {
    border-color: #E53935;
}

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

.form-note {
    font-size: 0.9rem;
    color: var(--text-gray);
    font-style: italic;
    margin-top: var(--spacing-xs);
}

.submit-btn {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1.1rem;
    margin-top: var(--spacing-sm);
}

/* ========================================
   404 Error Page Styles
   ======================================== */
.error-page {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.error-page h1 {
    font-size: 4rem;
    color: var(--primary-teal);
    margin-bottom: var(--spacing-sm);
}

.error-page h2 {
    margin-bottom: var(--spacing-md);
}

.error-page p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
}

.error-links {
    list-style: none;
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

.error-links a {
    background-color: var(--primary-teal);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 6px;
    transition: background-color 0.3s ease;
}

.error-links a:hover {
    background-color: var(--deep-navy);
}

/* ========================================
   Utility Classes
   ======================================== */
.text-center {
    text-align: center;
}

.section {
    padding: var(--spacing-lg) var(--spacing-md);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.6rem;
    }

    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .nav-menu {
        flex-direction: column;
        gap: var(--spacing-xs);
        width: 100%;
    }

    .nav-link {
        display: block;
        text-align: center;
    }

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

    .hero p {
        font-size: 1rem;
    }

    .about-content p {
        text-align: left;
    }

    .error-page h1 {
        font-size: 3rem;
    }

    .error-links {
        flex-direction: column;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-md: 1rem;
        --spacing-lg: 2rem;
        --spacing-xl: 2.5rem;
    }

    .hero {
        padding: var(--spacing-md);
    }

    .service {
        padding: var(--spacing-sm);
    }
}