/*
 * IT Courses España - IT Courses Website
 * Modern Startup Design with Electric Blue & Purple
 * Mobile-First Responsive Design
 */

/* ========================================
   RESET & BASE STYLES
   ======================================== */

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

:root {
    --primary-color: #2563eb;
    --secondary-color: #7c3aed;
    --dark-bg: #0f172a;
    --light-bg: #f8fafc;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --white: #ffffff;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --gradient: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    --gradient-hover: linear-gradient(135deg, #1d4ed8 0%, #6d28d9 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

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

ul {
    list-style: none;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    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: 1rem;
    color: var(--text-light);
}

.lead {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--text-light);
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--gradient-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-lg {
    padding: 16px 40px;
    font-size: 1.125rem;
}

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

/* ========================================
   HEADER & NAVIGATION
   ======================================== */

.header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary-color);
}

.logo img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--text-dark);
    font-weight: 500;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: var(--transition);
    pointer-events: none;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 100%;
        max-width: 300px;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        align-items: flex-start;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
        gap: 1.5rem;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--white);
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(124, 58, 237, 0.2), transparent);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    color: var(--white);
    font-size: 3rem;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-text .lead {
    color: #cbd5e1;
    margin-bottom: 2rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: #94a3b8;
    font-size: 0.875rem;
}

.hero-image img {
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
}

@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-text h1 {
        font-size: 2.25rem;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* ========================================
   SERVICES SECTION
   ======================================== */

.services {
    padding: 80px 0;
    background: var(--light-bg);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-subtitle {
    color: var(--text-light);
    font-size: 1.125rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient);
    transform: scaleX(0);
    transition: var(--transition);
    pointer-events: none;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--white);
    font-size: 1.5rem;
}

.service-card h3 {
    margin-bottom: 1rem;
}

.service-card p {
    margin-bottom: 1.5rem;
}

.service-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ========================================
   FEATURES / BENEFITS
   ======================================== */

.features {
    padding: 80px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px;
    align-items: center;
}

.feature-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.feature-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #dbeafe, #e0e7ff);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.feature-content h3 {
    margin-bottom: 0.5rem;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.benefit-card {
    text-align: center;
    padding: 30px;
}

.benefit-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--white);
    font-size: 2rem;
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* ========================================
   TESTIMONIALS
   ======================================== */

.testimonials {
    padding: 80px 0;
    background: var(--light-bg);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.testimonial-card {
    background: var(--white);
    padding: 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.testimonial-rating {
    color: #fbbf24;
    margin-bottom: 1rem;
}

.testimonial-card p {
    font-style: italic;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-author h4 {
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.testimonial-author span {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* ========================================
   CTA SECTION
   ======================================== */

.cta-section {
    padding: 80px 0;
    background: var(--gradient);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    color: var(--white);
    margin-bottom: 1rem;
}

.cta-content p {
    color: #cbd5e1;
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.cta-note {
    margin-top: 1rem;
    font-size: 0.875rem;
    color: #cbd5e1;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background: var(--dark-bg);
    color: #cbd5e1;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3,
.footer-col h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.footer-col p {
    color: #94a3b8;
    line-height: 1.8;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-col a {
    color: #94a3b8;
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.contact-info li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* ========================================
   PAGE HEADER
   ======================================== */

.page-header {
    background: var(--gradient);
    color: var(--white);
    padding: 80px 0 60px;
    text-align: center;
}

.page-header h1 {
    color: var(--white);
    margin-bottom: 1rem;
}

.page-header p {
    color: #cbd5e1;
    font-size: 1.125rem;
}

/* ========================================
   CONTACT FORM
   ======================================== */

.contact-section {
    padding: 80px 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.contact-info-box {
    background: var(--light-bg);
    padding: 40px;
    border-radius: 16px;
}

.info-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.info-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: var(--gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

@media (max-width: 968px) {
    .contact-content {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   BLOG SECTION
   ======================================== */

.blog-section {
    padding: 80px 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.blog-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.blog-image {
    position: relative;
    height: 240px;
    overflow: hidden;
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.blog-card:hover .blog-image img {
    transform: scale(1.05);
}

.blog-category {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--gradient);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.blog-content {
    padding: 30px;
}

.blog-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

.blog-content h2 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.blog-content h2 a {
    color: var(--text-dark);
    transition: var(--transition);
}

.blog-content h2 a:hover {
    color: var(--primary-color);
}

.blog-read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: 600;
    transition: var(--transition);
}

.blog-read-more:hover {
    gap: 1rem;
}

/* ========================================
   ARTICLE PAGE
   ======================================== */

.article-page {
    padding: 80px 0;
}

.article-header {
    max-width: 800px;
    margin: 0 auto 40px;
    text-align: center;
}

.article-meta {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-light);
    flex-wrap: wrap;
}

.article-category {
    background: var(--gradient);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-weight: 600;
}

.article-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.article-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
}

.article-featured-image {
    max-width: 1000px;
    margin: 0 auto 60px;
    border-radius: 16px;
    overflow: hidden;
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.125rem;
    line-height: 1.8;
}

.article-content h2 {
    margin-top: 2.5rem;
    margin-bottom: 1.5rem;
}

.article-content h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.article-content ul,
.article-content ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.article-content li {
    margin-bottom: 0.75rem;
    list-style: inherit;
}

.article-footer {
    max-width: 800px;
    margin: 60px auto 0;
    padding-top: 40px;
    border-top: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.article-tags {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.tag {
    background: var(--light-bg);
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 0.875rem;
    color: var(--text-dark);
}

.article-share {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.article-share a {
    width: 36px;
    height: 36px;
    background: var(--light-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.article-share a:hover {
    background: var(--primary-color);
    color: var(--white);
}

.related-articles {
    max-width: 1000px;
    margin: 80px auto 0;
}

.related-articles h3 {
    margin-bottom: 2rem;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.related-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.related-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.related-card h4 {
    padding: 20px;
    font-size: 1.125rem;
}

/* ========================================
   SERVICE DETAIL PAGE
   ======================================== */

.service-hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #eff6ff 0%, #f3e8ff 100%);
}

.service-hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.badge {
    display: inline-block;
    background: var(--gradient);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.service-price {
    padding: 60px 0;
    background: var(--light-bg);
}

.price-card-featured {
    max-width: 600px;
    margin: 0 auto;
    background: var(--white);
    padding: 50px 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    text-align: center;
}

.price-amount {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    margin: 2rem 0;
}

.currency {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-top: 0.5rem;
}

.amount {
    font-size: 4rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-note {
    color: var(--text-light);
    margin-bottom: 2rem;
}

.price-includes {
    text-align: left;
    margin: 2rem 0;
    list-style: none;
}

.price-includes li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #f1f5f9;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.price-includes li:last-child {
    border-bottom: none;
}

.price-includes i {
    color: var(--success);
}

.service-overview {
    padding: 80px 0;
}

.curriculum-modules {
    margin-top: 40px;
}

.module {
    background: var(--white);
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    overflow: hidden;
    transition: var(--transition);
}

.module:hover {
    border-color: var(--primary-color);
}

.module-header {
    background: var(--light-bg);
    padding: 20px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.module-number {
    background: var(--gradient);
    color: var(--white);
    padding: 4px 12px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.875rem;
}

.module-duration {
    color: var(--text-light);
    font-size: 0.875rem;
}

.module-content {
    padding: 25px;
}

.module-content ul {
    list-style: none;
}

.module-content li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.module-content li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
    pointer-events: none;
}

.service-benefits {
    padding: 80px 0;
    background: var(--light-bg);
}

.service-faq {
    padding: 80px 0;
}

.faq-list {
    max-width: 800px;
    margin: 40px auto 0;
}

.faq-item {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.faq-item h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* ========================================
   LEGAL PAGES
   ======================================== */

.legal-content {
    padding: 60px 0;
}

.legal-text {
    max-width: 900px;
    margin: 0 auto;
}

.legal-text h2 {
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    padding-top: 1.5rem;
    border-top: 2px solid #e2e8f0;
}

.legal-text h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.legal-text ul,
.legal-text ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.legal-text li {
    margin-bottom: 0.5rem;
    list-style: inherit;
}

.contact-box {
    background: var(--light-bg);
    padding: 30px;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    margin: 2rem 0;
}

.legal-footer {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid #e2e8f0;
    font-size: 0.875rem;
    color: var(--text-light);
}

/* ========================================
   UTILITIES
   ======================================== */

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

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 2rem; }

/* ========================================
   RESPONSIVE TYPOGRAPHY
   ======================================== */

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }

    .lead {
        font-size: 1.125rem;
    }

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

    .article-content {
        font-size: 1rem;
    }
}

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* ========================================
   ACCESSIBILITY
   ======================================== */

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

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

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {
    .header,
    .footer,
    .cta-section,
    .btn {
        display: none;
    }

    body {
        font-size: 12pt;
    }
}