/* ============================================
   TU VENTANA INTERIOR - STYLES.CSS
   Sitio web profesional para el libro
   ============================================ */

/* Variables de Color */
:root {
    --primary-gold: #D4A017;
    --secondary-gold: #F4C430;
    --dark-brown: #8B4513;
    --dark-bg: #1a1a1a;
    --light-bg: #fefdf8;
    --text-dark: #2d2d2d;
    --text-light: #666;
    --white: #ffffff;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-lg: rgba(0, 0, 0, 0.3);
}

/* Reset y Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    background: var(--white);
    box-shadow: 0 2px 10px var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: 0 4px 20px var(--shadow-lg);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand h2 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    color: var(--text-dark);
}

.nav-brand span {
    color: var(--primary-gold);
    font-style: italic;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: var(--primary-gold);
}

.btn-nav-cta {
    background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
    color: var(--white) !important;
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: all 0.3s ease;
}

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

.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-gold) 0%, var(--secondary-gold) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 100px 20px 50px;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255,255,255,0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 30%, rgba(255,255,255,0.15) 0%, transparent 50%);
    animation: shimmer 4s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-family: 'Playfair Display', serif;
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--text-dark);
    line-height: 1.2;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease-out;
}

.hero-title .accent {
    color: var(--dark-brown);
    font-style: italic;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-weight: 400;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-tagline {
    background: rgba(255,255,255,0.95);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-gold);
    display: inline-block;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

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

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--dark-bg), #2d2d2d);
    color: var(--white);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
}

.btn-secondary {
    background: var(--white);
    color: var(--text-dark);
    border: 2px solid var(--text-dark);
}

.btn-secondary:hover {
    background: var(--text-dark);
    color: var(--white);
}

.btn-lg {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

.btn-xl {
    padding: 1.5rem 3rem;
    font-size: 1.3rem;
}

.price-tag {
    background: var(--secondary-gold);
    color: var(--dark-bg);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-left: 0.5rem;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--dark-brown);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-dark);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease-out;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.book-3d {
    position: relative;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.book-cover {
    max-width: 400px;
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 30px 80px rgba(0,0,0,0.4);
    transition: transform 0.3s ease;
}

.book-cover:hover {
    transform: scale(1.05) rotateY(5deg);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

.scroll-indicator span {
    display: block;
    color: var(--text-dark);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.arrow-down {
    width: 20px;
    height: 20px;
    border-left: 2px solid var(--text-dark);
    border-bottom: 2px solid var(--text-dark);
    transform: rotate(-45deg);
    margin: 0 auto;
}

/* ============================================
   SECTIONS
   ============================================ */

section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--primary-gold), transparent);
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   ABOUT BOOK SECTION
   ============================================ */

.about-book {
    background: var(--light-bg);
}

.book-intro {
    background: linear-gradient(135deg, #FFF8DC, #FAEBD7);
    border-left: 6px solid var(--primary-gold);
    padding: 2rem;
    border-radius: 12px;
    margin: 2rem auto 4rem;
    max-width: 900px;
    box-shadow: 0 10px 30px rgba(212, 160, 23, 0.15);
}

.intro-content h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    color: var(--dark-brown);
    margin-bottom: 1rem;
}

.intro-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.intro-content strong {
    color: var(--primary-gold);
}

blockquote {
    font-style: italic;
    color: var(--dark-brown);
    border-left: 4px solid var(--primary-gold);
    padding-left: 1rem;
    margin: 1.5rem 0;
}

/* ============================================
   CHAPTERS GRID
   ============================================ */

.chapters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.chapter-card {
    background: var(--white);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 8px 25px var(--shadow);
    border-top: 5px solid var(--primary-gold);
    transition: all 0.3s ease;
    position: relative;
}

.chapter-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(212, 160, 23, 0.2);
}

.chapter-number {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    font-weight: 900;
    color: var(--primary-gold);
    position: absolute;
    top: -20px;
    right: 20px;
    opacity: 0.3;
}

.chapter-card h4 {
    font-family: 'Playfair Display', serif;
    font-size: 1.4rem;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}

.chapter-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

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

.cta-purchase {
    background: linear-gradient(135deg, var(--dark-bg), #2d2d2d);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    margin-bottom: 1rem;
}

.cta-text {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.price-box {
    background: rgba(255,255,255,0.1);
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 2rem;
    border-radius: 15px;
    margin-bottom: 2rem;
}

.price-old {
    font-size: 1.5rem;
    text-decoration: line-through;
    opacity: 0.6;
}

.price-current {
    font-size: 3rem;
    font-weight: 900;
    color: var(--secondary-gold);
}

.price-badge {
    background: var(--secondary-gold);
    color: var(--dark-bg);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
}

.btn-purchase {
    background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.guarantee {
    margin-top: 1.5rem;
    font-size: 0.95rem;
    opacity: 0.8;
    line-height: 1.8;
}

/* ============================================
   FREE DOWNLOAD SECTION
   ============================================ */

.free-download {
    background: var(--light-bg);
}

.download-card {
    background: var(--white);
    border-radius: 20px;
    padding: 3rem;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    box-shadow: 0 15px 40px var(--shadow);
}

.download-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.download-card h3 {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.btn-download {
    background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
    color: var(--white);
    margin-top: 1.5rem;
}

/* ============================================
   ABOUT AUTHOR SECTION
   ============================================ */

.about-author {
    background: var(--white);
}

.author-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: start;
}

.author-image img {
    width: 100%;
    max-width: 350px;
    border-radius: 15px;
    box-shadow: 0 20px 60px var(--shadow-lg);
}

.author-name {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    color: var(--primary-gold);
    margin-bottom: 1.5rem;
}

.bio-highlight {
    font-size: 1.2rem;
    color: var(--dark-brown);
    margin-bottom: 1rem;
}

.bio-text {
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.expertise-list {
    list-style: none;
    padding-left: 0;
    margin: 1.5rem 0;
}

.expertise-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.expertise-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-gold);
    font-weight: bold;
}

.author-quote {
    background: linear-gradient(135deg, #FFF8DC, #FAEBD7);
    padding: 1.5rem;
    border-left: 4px solid var(--primary-gold);
    border-radius: 8px;
    margin-top: 2rem;
    font-style: italic;
    color: var(--dark-brown);
}

/* ============================================
   SERVICES PREVIEW
   ============================================ */

.services-preview {
    background: var(--light-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px var(--shadow);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(212, 160, 23, 0.2);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.btn-outline {
    background: transparent;
    color: var(--primary-gold);
    border: 2px solid var(--primary-gold);
    padding: 0.75rem 2rem;
}

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

/* ============================================
   NEWSLETTER
   ============================================ */

.newsletter {
    background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
    color: var(--white);
}

.newsletter-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.newsletter h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    margin: 2rem 0;
}

.newsletter-form input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
}

.newsletter-form button {
    white-space: nowrap;
}

.newsletter-note {
    font-size: 0.9rem;
    opacity: 0.9;
}

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

.footer {
    background: var(--dark-bg);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-col h3, .footer-col h4 {
    color: var(--secondary-gold);
    margin-bottom: 1rem;
}

.footer-col p {
    font-size: 0.95rem;
    line-height: 1.6;
    opacity: 0.8;
}

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

.footer-col ul li {
    margin-bottom: 0.5rem;
}

.footer-col a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-col a:hover {
    opacity: 1;
    color: var(--secondary-gold);
}

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

.social-links a {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.social-links a:hover {
    transform: scale(1.2);
}

.contact-info li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    opacity: 0.7;
    font-size: 0.9rem;
}

/* ============================================
   WHATSAPP FLOAT BUTTON
   ============================================ */

.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: #25D366;
    color: var(--white);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
    z-index: 999;
    animation: bounce-whatsapp 2s infinite;
    text-decoration: none;
}

@keyframes bounce-whatsapp {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

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

@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        padding: 2rem;
        box-shadow: 0 10px 30px var(--shadow);
        transition: left 0.3s ease;
    }

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

    .hamburger {
        display: flex;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .author-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .author-image img {
        margin: 0 auto;
    }

    .newsletter-form {
        flex-direction: column;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .btn-lg {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }

    .chapters-grid {
        grid-template-columns: 1fr;
    }

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

/* ============================================
   UTILITY CLASSES
   ============================================ */

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

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

/* ============================================
   SECCIÓN DE DESCARGAS GRATUITAS
   ============================================ */

.free-download {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 80px 20px;
    position: relative;
    overflow: hidden;
}

.free-download::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="40" fill="rgba(255,255,255,0.03)"/></svg>');
    animation: float 20s linear infinite;
}

@keyframes float {
    0% { background-position: 0 0; }
    100% { background-position: 100px 100px; }
}

.download-card {
    background: rgba(255, 255, 255, 0.98);
    border-radius: 20px;
    padding: 60px 40px;
    max-width: 900px;
    margin: 0 auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 1;
}

.download-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.download-card h3 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 15px;
}

.download-card > p {
    font-size: 1.1rem;
    color: #4a5568;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.download-buttons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.download-item {
    background: linear-gradient(135deg, #f6f8fb 0%, #ffffff 100%);
    border-radius: 15px;
    padding: 30px 25px;
    text-align: center;
    border: 2px solid #e2e8f0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.download-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.download-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.2);
    border-color: #667eea;
}

.download-item:hover::before {
    transform: scaleX(1);
}

.download-item-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.download-item h4 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 10px;
}

.download-item p {
    font-size: 0.95rem;
    color: #718096;
    margin-bottom: 20px;
    min-height: 40px;
}

.btn-download-primary {
    display: inline-block;
    padding: 14px 32px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-download-primary::before {
    content: '⬇️';
    position: absolute;
    left: 20px;
    opacity: 0;
    transition: all 0.3s ease;
}

.btn-download-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
    padding-left: 45px;
}

.btn-download-primary:hover::before {
    opacity: 1;
    left: 15px;
}

.btn-download-primary:active {
    transform: translateY(0);
}

.download-guarantee {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 2px solid #e2e8f0;
    font-size: 0.95rem;
    color: #4a5568;
    line-height: 1.8;
}

@media (max-width: 768px) {
    .download-card {
        padding: 40px 25px;
    }
    
    .download-card h3 {
        font-size: 2rem;
    }
    
    .download-buttons-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .download-item {
        padding: 25px 20px;
    }
    
    .btn-download-primary {
        width: 100%;
        padding: 14px 20px;
    }
}

@media (max-width: 480px) {
    .free-download {
        padding: 60px 15px;
    }
    
    .download-card h3 {
        font-size: 1.75rem;
    }
    
    .download-icon {
        font-size: 3rem;
    }
}