/* ============================================
   Canadian AI Lab - Styles
   Professional Canadian Identity with Conversion Focus
   ============================================ */

/* ============================================
   CSS VARIABLES (Design Tokens)
   ============================================ */
:root {
    /* Canadian Color Palette */
    --color-primary: #C8102E;        /* Canadian Red */
    --color-primary-dark: #A00C24;   /* Darker red for hover */
    --color-secondary: #001F3F;      /* Navy Blue */
    --color-accent: #FFFFFF;         /* White */
    --color-background: #F5F5F5;     /* Light Gray */
    --color-text: #333333;           /* Charcoal */
    --color-text-light: #666666;     /* Medium Gray */
    --color-border: #E0E0E0;         /* Border Gray */

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-2xl: 32px;
    --font-size-3xl: 48px;

    /* Spacing Scale */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
    --spacing-3xl: 96px;

    /* Layout */
    --container-max-width: 1200px;
    --border-radius: 8px;
    --border-radius-lg: 12px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition: all 0.3s ease;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-family);
    color: var(--color-text);
    line-height: 1.6;
    background-color: var(--color-accent);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: var(--font-size-3xl);
}

h2 {
    font-size: var(--font-size-2xl);
}

h3 {
    font-size: var(--font-size-xl);
}

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

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

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

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

section {
    padding: var(--spacing-3xl) 0;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-accent);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-secondary);
}

.maple-leaf {
    font-size: var(--font-size-xl);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-links a {
    color: var(--color-text);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-links a:hover {
    background-color: var(--color-background);
    color: var(--color-primary);
}

.cta-nav {
    background-color: var(--color-primary);
    color: var(--color-accent) !important;
    padding: var(--spacing-xs) var(--spacing-md) !important;
}

.cta-nav:hover {
    background-color: var(--color-primary-dark) !important;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
}

.menu-icon {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.menu-icon span {
    width: 25px;
    height: 3px;
    background-color: var(--color-secondary);
    transition: var(--transition);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    font-size: var(--font-size-base);
}

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

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

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

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

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

.btn-white:hover {
    background-color: transparent;
    color: var(--color-accent);
}

.btn-block {
    width: 100%;
    display: block;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    padding-top: calc(var(--spacing-3xl) + 60px); /* Account for fixed header */
    padding-bottom: var(--spacing-3xl);
    background: linear-gradient(135deg, var(--color-background) 0%, var(--color-accent) 100%);
    text-align: center;
}

.hero-content {
    max-width: 800px;
}

.hero-title {
    font-size: var(--font-size-3xl);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

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

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: var(--font-size-2xl);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   LAB SECTION
   ============================================ */
.lab-section {
    background-color: var(--color-accent);
}

/* Benefits Grid */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.benefit-card {
    background-color: var(--color-accent);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--color-border);
}

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

.benefit-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

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

.benefit-card p {
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* Resources Section */
.resources-section {
    background-color: var(--color-background);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-2xl);
}

.resources-title {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

/* Newsletter Layout */
.newsletter-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.newsletter-description {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.newsletter-perks {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.newsletter-perks li {
    color: var(--color-text);
    font-size: var(--font-size-base);
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-input-dark {
    border: 2px solid var(--color-border);
    background-color: var(--color-accent);
    color: var(--color-text);
}

.form-input-dark:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.15);
}

.form-input-dark::placeholder {
    color: var(--color-text-light);
}

.newsletter-disclaimer {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    text-align: center;
    margin: 0;
}

@media (max-width: 768px) {
    .newsletter-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

/* Contest Box */
.contest-box {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-accent);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-2xl);
}

.contest-badge {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius);
    font-weight: 700;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.contest-title {
    color: var(--color-accent);
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-xs);
}

.contest-value {
    color: var(--color-accent);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    opacity: 0.95;
}

.contest-description {
    color: var(--color-accent);
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
    line-height: 1.8;
}

/* Contest Form */
.contest-form {
    max-width: 500px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-input {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-accent);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: var(--transition);
    width: 100%;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.contest-form .btn {
    margin-top: var(--spacing-xs);
}

.form-disclaimer {
    font-size: var(--font-size-sm);
    color: var(--color-accent);
    opacity: 0.8;
    margin-top: var(--spacing-md);
    line-height: 1.6;
}

/* ============================================
   SOLUTIONS SECTION
   ============================================ */
.solutions-content {
    background-color: var(--color-background);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-2xl);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.service-card {
    background-color: var(--color-accent);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border-top: 4px solid var(--color-primary);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    font-size: 56px;
    margin-bottom: var(--spacing-md);
}

.service-card h3 {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.service-card > p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.service-features {
    list-style: none;
    padding: 0;
}

.service-features li {
    color: var(--color-text);
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

/* Booking Section */
.booking-section {
    background-color: var(--color-accent);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.booking-title {
    color: var(--color-secondary);
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
}

.booking-subtitle {
    color: var(--color-text-light);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
}

.calendar-container {
    max-width: 900px;
    margin: 0 auto;
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq-section {
    margin-bottom: var(--spacing-2xl);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--color-background);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-xs);
    overflow: hidden;
}

.faq-item[open] {
    box-shadow: var(--shadow-sm);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-secondary);
    cursor: pointer;
    list-style: none;
    user-select: none;
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question::after {
    content: '+';
    font-size: var(--font-size-xl);
    font-weight: 400;
    color: var(--color-primary);
    line-height: 1;
    flex-shrink: 0;
    margin-left: var(--spacing-sm);
    transition: transform 0.2s ease;
}

.faq-item[open] .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 var(--spacing-md) var(--spacing-sm);
    border-top: 1px solid var(--color-border);
}

.faq-answer p {
    color: var(--color-text);
    line-height: 1.8;
    padding-top: var(--spacing-sm);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background-color: var(--color-secondary);
    color: var(--color-accent);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    padding: 0 var(--spacing-md);
}

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

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

.footer-tagline {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.footer-column h4 {
    color: var(--color-accent);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-sm);
}

.footer-column ul {
    list-style: none;
}

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

.footer-column a {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    margin: 0;
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-social a {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
}

.footer-social a:hover {
    color: var(--color-accent);
}

/* ============================================
   THE LAB — INDEX PAGE
   ============================================ */
.lab-page-hero {
    background: linear-gradient(135deg, var(--color-secondary) 0%, #003366 100%);
    color: var(--color-accent);
    padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl);
    text-align: center;
}

.lab-page-hero .page-title {
    font-size: var(--font-size-3xl);
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.lab-page-hero .page-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-lg);
    max-width: 560px;
    margin: 0 auto var(--spacing-md);
}

.lab-page-hero .back-link {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: var(--transition);
}

.lab-page-hero .back-link:hover {
    color: var(--color-accent);
}

.lab-content {
    padding: var(--spacing-2xl) 0;
}

.post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.post-card {
    background: var(--color-accent);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    cursor: pointer;
}

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

.post-card-tag {
    display: inline-block;
    background-color: rgba(200, 16, 46, 0.1);
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 10px;
    border-radius: 20px;
    margin-bottom: var(--spacing-sm);
    width: fit-content;
}

.post-card-title {
    font-size: var(--font-size-xl);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.post-card-excerpt {
    color: var(--color-text-light);
    font-size: var(--font-size-base);
    line-height: 1.7;
    flex-grow: 1;
    margin-bottom: var(--spacing-md);
}

.post-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-sm);
}

.post-card-meta {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

.post-card-link {
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.post-card-link::after {
    content: '';
    position: absolute;
    inset: 0;
}

.post-card-link:hover {
    color: var(--color-primary-dark);
}

/* ============================================
   THE LAB — ARTICLE / POST PAGE
   ============================================ */
.article-page-hero {
    background: linear-gradient(135deg, var(--color-secondary) 0%, #003366 100%);
    padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl);
}

.breadcrumb {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: var(--spacing-md);
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: var(--transition);
}

.breadcrumb a:hover {
    color: var(--color-accent);
}

.breadcrumb span {
    margin: 0 6px;
}

.article-tag {
    display: inline-block;
    background-color: rgba(200, 16, 46, 0.2);
    color: #ff6b86;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 10px;
    border-radius: 20px;
    margin-bottom: var(--spacing-sm);
}

.article-title {
    font-size: var(--font-size-3xl);
    color: var(--color-accent);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    max-width: 760px;
}

.article-subtitle {
    color: rgba(255, 255, 255, 0.85);
    font-size: var(--font-size-lg);
    line-height: 1.6;
    max-width: 640px;
    margin-bottom: var(--spacing-md);
}

.article-meta {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.article-container {
    max-width: 760px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-md);
}

.article-body h2 {
    font-size: var(--font-size-2xl);
    color: var(--color-secondary);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.article-body h3 {
    font-size: var(--font-size-xl);
    color: var(--color-secondary);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-xs);
}

.article-body p {
    color: var(--color-text);
    font-size: var(--font-size-lg);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.article-body ul,
.article-body ol {
    color: var(--color-text);
    font-size: var(--font-size-lg);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-md);
}

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

.article-body strong {
    color: var(--color-secondary);
}

.article-body a {
    color: var(--color-primary);
    text-decoration: underline;
}

.article-cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    margin-top: var(--spacing-2xl);
}

.article-cta h3 {
    color: var(--color-accent);
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
}

.article-cta p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.article-back {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.article-back a {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
    font-size: var(--font-size-base);
    transition: var(--transition);
}

.article-back a:hover {
    color: var(--color-primary-dark);
}

.related-posts {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
}

.related-posts-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-light);
    margin: 0 0 var(--spacing-sm) 0;
}

.related-posts ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.related-posts ul li a {
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.95rem;
}

.related-posts ul li a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

@media (max-width: 768px) {
    .post-grid {
        grid-template-columns: 1fr;
    }

    .article-title {
        font-size: var(--font-size-2xl);
    }

    .article-meta {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet (768px and below) */
@media (max-width: 768px) {
    :root {
        --font-size-3xl: 36px;
        --font-size-2xl: 28px;
        --spacing-3xl: 64px;
    }

    /* Mobile Navigation */
    .menu-icon {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 60px;
        right: -100%;
        width: 100%;
        max-width: 300px;
        height: calc(100vh - 60px);
        background-color: var(--color-accent);
        flex-direction: column;
        align-items: flex-start;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        transition: right 0.3s ease;
        gap: var(--spacing-sm);
    }

    .menu-toggle:checked ~ .nav-links {
        right: 0;
    }

    .nav-links a {
        width: 100%;
    }

    /* Hero adjustments */
    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
    }

    /* Benefits grid */
    .benefits-grid {
        grid-template-columns: 1fr;
    }

    /* Services grid */
    .services-grid {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .footer-main {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

/* Mobile (480px and below) */
@media (max-width: 480px) {
    :root {
        --font-size-3xl: 28px;
        --font-size-2xl: 24px;
        --spacing-lg: 24px;
        --spacing-xl: 32px;
        --spacing-2xl: 48px;
    }

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

/* ============================================
   ANIMATIONS & POLISH
   ============================================ */

/* Smooth fade-in on page load */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.section-header {
    animation: fadeIn 0.8s ease-out;
}

/* Hover effects for cards */
.benefit-card,
.service-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* Focus states for accessibility */
button:focus,
input:focus,
a:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Screen reader only - visually hidden but accessible */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Print styles */
@media print {
    .header,
    .footer,
    .contest-box {
        display: none;
    }
}