/* ===================================
   CSS Variables - Color Palette
   =================================== */
:root {
    /* Primary Colors - Calming Blue/Teal */
    --color-primary: #2C7A9E;
    --color-primary-light: #3A9BC6;
    --color-primary-dark: #1E5A7A;
    
    /* Secondary Colors - Warm Accent */
    --color-secondary: #F39C12;
    --color-secondary-light: #F5B041;
    --color-secondary-dark: #D68910;
    
    /* Neutral Colors */
    --color-neutral-100: #FFFFFF;
    --color-neutral-200: #F8F9FA;
    --color-neutral-300: #E9ECEF;
    --color-neutral-400: #DEE2E6;
    --color-neutral-500: #ADB5BD;
    --color-neutral-600: #6C757D;
    --color-neutral-700: #495057;
    --color-neutral-800: #343A40;
    --color-neutral-900: #212529;
    
    /* Semantic Colors */
    --color-text-primary: #212529;
    --color-text-secondary: #495057;
    --color-text-light: #6C757D;
    --color-background: #FFFFFF;
    --color-background-alt: #F8F9FA;
    
    /* Typography */
    --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-family-heading: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    --line-height-base: 1.6;
    --line-height-heading: 1.3;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);
    
    /* Container */
    --container-max-width: 1200px;
    --container-padding: 1rem;
}

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

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-base);
    color: var(--color-text-primary);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===================================
   Typography
   =================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-heading);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 2rem;
}

h2 {
    font-size: 1.75rem;
    color: var(--color-primary-dark);
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

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

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

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

a:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

ul, ol {
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-lg);
}

li {
    margin-bottom: var(--spacing-xs);
}

strong {
    font-weight: var(--font-weight-semibold);
}

/* ===================================
   Container
   =================================== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
}

/* ===================================
   Header
   =================================== */
#header {
    background-color: var(--color-neutral-100);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow var(--transition-base);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--container-padding);
    gap: var(--spacing-md);
    flex-wrap: nowrap;
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.logo {
    flex-shrink: 0;
    margin-left: 0;
}

.logo img {
    width: 200px;
    height: auto;
    display: block;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    z-index: 1001;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-primary);
    transition: all var(--transition-base);
    border-radius: 2px;
}

.mobile-menu-toggle:hover span {
    background-color: var(--color-primary-light);
}

/* Navigation */
.nav-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-neutral-100);
    box-shadow: var(--shadow-md);
    flex-direction: column;
}

.nav-menu.active {
    display: flex;
}

.nav-menu li {
    margin: 0;
    border-bottom: 1px solid var(--color-neutral-300);
}

.nav-menu li:last-child {
    border-bottom: none;
}

.nav-menu a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-primary);
    font-weight: var(--font-weight-medium);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.nav-menu a:hover {
    background-color: var(--color-neutral-200);
    color: var(--color-primary);
}

.nav-menu a.contact-link {
    color: var(--color-secondary);
    font-weight: var(--font-weight-semibold);
}

.nav-menu a.contact-link:hover {
    color: var(--color-secondary-dark);
}

/* Header Phone */
.header-phone {
    display: none;
}

.header-phone a {
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-lg);
    white-space: nowrap;
}

.header-phone a:hover {
    color: var(--color-primary-light);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('../images/hero-bg.svg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--color-neutral-100);
    text-align: center;
    padding: var(--spacing-xxl) 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(44, 122, 158, 0.85) 0%, rgba(30, 90, 122, 0.9) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 0 var(--spacing-md);
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-neutral-100);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
    color: var(--color-neutral-100);
}

.hero-tagline {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    color: var(--color-neutral-200);
}

/* ===================================
   Buttons
   =================================== */
.cta-button {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-secondary);
    color: var(--color-neutral-100);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-lg);
    border-radius: var(--border-radius-md);
    text-decoration: none;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
    border: 2px solid transparent;
}

.cta-button:hover {
    background-color: var(--color-secondary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--color-neutral-100);
}

.cta-button:active {
    transform: translateY(0);
}

/* ===================================
   Content Sections
   =================================== */
.content-section {
    padding: var(--spacing-xxl) 0;
}

.content-section.alt-bg {
    background-color: var(--color-background-alt);
}

.content-section h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-intro {
    font-size: var(--font-size-lg);
    text-align: center;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-content {
    max-width: 900px;
    margin: 0 auto;
}

.section-image {
    margin-bottom: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

.section-image img:hover {
    transform: scale(1.02);
}

/* ===================================
   Benefits Grid
   =================================== */
.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.benefit-item {
    background-color: var(--color-neutral-100);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.benefit-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.benefit-item h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

/* Before/After Images */
.before-after-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.before-after-image {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.before-after-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* ===================================
   Services List
   =================================== */
.services-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.service-item {
    background-color: var(--color-neutral-100);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border-left: 4px solid var(--color-primary);
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.service-item:hover {
    border-color: var(--color-secondary);
    box-shadow: var(--shadow-md);
}

.service-item h3 {
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-sm);
}

/* ===================================
   Enrollment Steps
   =================================== */
.enrollment-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.step {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.step-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-neutral-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    box-shadow: var(--shadow-sm);
}

.step-content {
    flex: 1;
    background-color: var(--color-neutral-100);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
}

.step-content h3 {
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-xs);
    font-size: 1.25rem;
}

.step-content p {
    margin-bottom: 0;
    color: var(--color-text-secondary);
}

.enrollment-cta {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--color-neutral-100);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.enrollment-cta p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

/* ===================================
   Careers Section
   =================================== */
.careers-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.careers-text h3 {
    color: var(--color-primary-dark);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.careers-text h3:first-child {
    margin-top: 0;
}

.careers-cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-neutral-100);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
}

.careers-cta h3 {
    color: var(--color-neutral-100);
    margin-bottom: var(--spacing-sm);
}

.careers-cta p {
    color: var(--color-neutral-100);
    margin-bottom: var(--spacing-md);
}

.careers-cta .cta-button-secondary {
    background-color: var(--color-neutral-100);
    color: var(--color-primary);
    border: 2px solid var(--color-neutral-100);
}

.careers-cta .cta-button-secondary:hover {
    background-color: var(--color-neutral-200);
    color: var(--color-primary-dark);
    border-color: var(--color-neutral-200);
}

.careers-cta a:not(.cta-button) {
    color: var(--color-neutral-100);
    text-decoration: underline;
}

.careers-cta a:not(.cta-button):hover {
    color: var(--color-neutral-200);
}

/* ===================================
   Footer
   =================================== */
.footer {
    background-color: var(--color-neutral-800);
    color: var(--color-neutral-300);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
    color: var(--color-neutral-100);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    color: var(--color-neutral-300);
    line-height: 1.8;
}

.footer-phone {
    font-size: var(--font-size-lg);
}

.footer-phone a {
    color: var(--color-secondary-light);
    font-weight: var(--font-weight-semibold);
}

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

.footer-email {
    font-size: var(--font-size-base);
    margin-top: var(--spacing-xs);
}

.footer-email a {
    color: var(--color-secondary-light);
    font-weight: var(--font-weight-semibold);
}

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

.footer-links {
    list-style: none;
    padding: 0;
}

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

.footer-links a {
    color: var(--color-neutral-300);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-secondary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-neutral-600);
    color: var(--color-neutral-400);
}

/* ===================================
   Tablet Styles (768px and up)
   =================================== */
@media (min-width: 768px) {
    :root {
        --container-padding: 2rem;
        --font-size-base: 17px;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    h3 {
        font-size: 1.5rem;
    }
    
    /* Header */
    .mobile-menu-toggle {
        display: none;
    }
    
    .nav-menu {
        display: flex;
        position: static;
        flex-direction: row;
        box-shadow: none;
        background-color: transparent;
        gap: var(--spacing-xs);
    }
    
    .nav-menu li {
        border-bottom: none;
    }
    
    .nav-menu a {
        padding: 0.4rem 0.5rem;
        border-radius: var(--border-radius-sm);
        white-space: nowrap;
        font-size: 0.9rem;
    }
    
    .header-phone {
        display: block;
    }
    
    /* Hero */
    .hero {
        min-height: 600px;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    /* Benefits Grid */
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Enrollment Steps */
    .step-number {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===================================
   Desktop Styles (1024px and up)
   =================================== */
@media (min-width: 1024px) {
    :root {
        --font-size-base: 18px;
    }
    
    h1 {
        font-size: 3rem;
    }
    
    h2 {
        font-size: 2.25rem;
    }
    
    h3 {
        font-size: 1.75rem;
    }
    
    /* Header */
    .header-content {
        padding: var(--spacing-md) var(--container-padding) var(--spacing-md) 0;
    }
    
    .logo img {
        width: 200px;
    }
    
    .nav-menu {
        gap: 0.5rem;
        flex-wrap: nowrap;
    }
    
    .nav-menu a {
        padding: 0.5rem 0.75rem;
        white-space: nowrap;
        font-size: 0.9rem;
    }
    
    /* Hero */
    .hero {
        min-height: 700px;
    }
    
    .hero h1 {
        font-size: 3.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .hero-tagline {
        font-size: 1.25rem;
    }
    
    /* Content Sections */
    .content-section {
        padding: 5rem 0;
    }
    
    /* Benefits Grid */
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }
    
    /* Enrollment Steps */
    .enrollment-steps {
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
    }
    
    /* Careers */
    .careers-content {
        flex-direction: row;
        align-items: flex-start;
    }
    
    .careers-text {
        flex: 2;
    }
    
    .careers-cta {
        flex: 1;
        position: sticky;
        top: 100px;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ===================================
   Accessibility & Focus Styles
   =================================== */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Skip to main content link (for screen readers) */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-neutral-100);
    padding: var(--spacing-sm);
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* ===================================
   Print Styles
   =================================== */
@media print {
    .header,
    .mobile-menu-toggle,
    .cta-button,
    .footer {
        display: none;
    }
    
    body {
        font-size: 12pt;
        color: #000;
    }
    
    .hero {
        background: none;
        color: #000;
    }
    
    .hero-overlay {
        display: none;
    }
}

/* ===================================
   Scroll to Top Button
   =================================== */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-neutral-100);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: 999;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

.scroll-to-top:active {
    transform: translateY(-2px);
}

.scroll-to-top:focus-visible {
    outline: 3px solid var(--color-secondary);
    outline-offset: 3px;
}

/* ===================================
   Mobile Menu Toggle Active State
   =================================== */
.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===================================
   Smooth Scroll Behavior
   =================================== */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    .scroll-to-top,
    .mobile-menu-toggle span,
    * {
        transition: none !important;
        animation: none !important;
    }
}