/* ====================================
   VARIABLES Y RESET
   ==================================== */
:root {
    /* Colores principales del branding */
    --primary-color: #007bb8;      /* Azul */
    --secondary-color: #FF6B35;     /* Naranja vibrante */
    --accent-color: #FDB813;        /* Amarillo dorado */
    --dark-gray: #2C3E50;           /* Gris oscuro */
    --light-gray: #ECF0F1;          /* Gris claro */
    --white: #FFFFFF;
    --black: #1a1a1a;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, #005a87 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color) 0%, #E65A2B 100%);
    --gradient-hero: linear-gradient(135deg, rgba(0, 123, 184, 0.98) 0%, rgba(44, 62, 80, 0.95) 100%);
    
    /* Tipografía */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Roboto', sans-serif;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-secondary);
    color: var(--dark-gray);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
}

/* ====================================
   TIPOGRAFÍA
   ==================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    line-height: 1.2;
    color: var(--dark-gray);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: clamp(1rem, 2vw, 1.25rem); }

p {
    margin-bottom: 1rem;
}

.lead {
    font-size: 1.25rem;
    font-weight: 400;
    line-height: 1.8;
    color: var(--dark-gray);
}

/* ====================================
   UTILIDADES
   ==================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.section-title {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-sm);
}

.title-underline {
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.section-subtitle {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

.highlight {
    color: var(--accent-color);
    font-weight: 800;
    text-shadow: 0 0 30px rgba(253, 184, 19, 0.5);
}

/* ====================================
   BOTONES
   ==================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

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

.btn-primary: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: 1.125rem 2.25rem;
    font-size: 1.125rem;
}

/* ====================================
   NAVEGACIÓN
   ==================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--white);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: var(--shadow-lg);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--spacing-md);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    height: 90px;
    width: auto;
}

.brand-name {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--dark-gray);
    letter-spacing: -0.5px;
}

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

.nav-link {
    font-family: var(--font-primary);
    font-weight: 500;
    color: var(--dark-gray);
    text-decoration: none;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-normal);
}

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

.nav-link:hover {
    color: var(--primary-color);
}

.btn-contact {
    padding: 0.625rem 1.5rem;
    background: var(--gradient-primary);
    color: var(--white) !important;
    border-radius: var(--radius-md);
}

.btn-contact::after {
    display: none;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 0.375rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

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

/* ====================================
   HERO SECTION
   ==================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: var(--gradient-hero);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 107, 157, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(253, 184, 19, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120"><path fill="%23ffffff" fill-opacity="0.05" d="M0,0V46.29c47.79,22.2,103.59,32.17,158,28,70.36-5.37,136.33-33.31,206.8-37.5C438.64,32.43,512.34,53.67,583,72.05c69.27,18,138.3,24.88,209.4,13.08,36.15-6,69.85-17.84,104.45-29.34C989.49,25,1113-14.29,1200,52.47V0Z" opacity=".25"/><path fill="%23ffffff" fill-opacity="0.05" d="M0,0V15.81C13,36.92,27.64,56.86,47.69,72.05,99.41,111.27,165,111,224.58,91.58c31.15-10.15,60.09-26.07,89.67-39.8,40.92-19,84.73-46,130.83-49.67,36.26-2.85,70.9,9.42,98.6,31.56,31.77,25.39,62.32,62,103.63,73,40.44,10.79,81.35-6.69,119.13-24.28s75.16-39,116.92-43.05c59.73-5.85,113.28,22.88,168.9,38.84,30.2,8.66,59,6.17,87.09-7.5,22.43-10.89,48-26.93,60.65-49.24V0Z" opacity=".5"/><path fill="%23ffffff" fill-opacity="0.1" d="M0,0V5.63C149.93,59,314.09,71.32,475.83,42.57c43-7.64,84.23-20.12,127.61-26.46,59-8.63,112.48,12.24,165.56,35.4C827.93,77.22,886,95.24,951.2,90c86.53-7,172.46-45.71,248.8-84.81V0Z"/></svg>') repeat-x;
    background-size: cover;
    opacity: 0.3;
}

.hero-container {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    z-index: 1;
}

.hero-content {
    color: var(--white);
}

.hero-title {
    margin-bottom: var(--spacing-md);
    color: var(--white);
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    opacity: 1;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    font-weight: 500;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: var(--spacing-md);
}

.tag {
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    font-weight: 500;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: var(--spacing-md);
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    color: var(--white);
    font-size: 1.25rem;
    transition: all var(--transition-normal);
}

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

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-wrapper {
    position: relative;
    width: 100%;
    max-width: 400px;
}

.image-wrapper img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    position: relative;
    z-index: 2;
}

.image-decoration {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--accent-color);
    border-radius: var(--radius-xl);
    z-index: 1;
}

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

.scroll-indicator a {
    color: var(--white);
    font-size: 2rem;
    opacity: 0.7;
    transition: opacity var(--transition-normal);
}

.scroll-indicator a:hover {
    opacity: 1;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ====================================
   ABOUT SECTION
   ==================================== */
.about-section {
    padding: var(--spacing-xl) 0;
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.about-text {
    font-size: 1.05rem;
}

.skills-grid {
    display: grid;
    gap: var(--spacing-md);
}

.skill-category {
    padding: var(--spacing-md);
    background: var(--light-gray);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
    transition: all var(--transition-normal);
}

.skill-category:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.skill-category h3 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.skill-category ul {
    list-style: none;
}

.skill-category li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.skill-category li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

/* ====================================
   EXPERIENCE SECTION
   ==================================== */
.experience-section {
    padding: var(--spacing-xl) 0;
    background: var(--light-gray);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-md) 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.timeline-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    font-size: 1.5rem;
    box-shadow: var(--shadow-lg);
    z-index: 2;
}

.timeline-content {
    flex: 1;
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.timeline-content:hover {
    box-shadow: var(--shadow-lg);
    transform: scale(1.02);
}

.timeline-content h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.timeline-company {
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.timeline-description {
    color: #666;
}

/* ====================================
   PODCAST SECTION
   ==================================== */
.podcast-section {
    padding: var(--spacing-xl) 0;
    background: var(--white);
}

.podcast-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

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

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

.podcast-description p {
    color: #666;
    margin-bottom: var(--spacing-md);
}

/* ====================================
   FENCING SECTION
   ==================================== */
.fencing-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
}

.fencing-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    align-items: center;
}

.fencing-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.value-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

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

.value-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.value-item h4 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.value-item p {
    font-size: 0.9rem;
    color: #666;
}

.fencing-resources {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.resource-card {
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal);
}

.resource-card:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

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

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

.resource-card p {
    color: #666;
    margin-bottom: var(--spacing-md);
}

.fencing-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.fencing-image img {
    max-width: 100%;
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    transition: transform var(--transition-normal);
}

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

/* ====================================
   RESOURCES SECTION
   ==================================== */
.resources-section {
    padding: var(--spacing-xl) 0;
    background: var(--light-gray);
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.resource-item {
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.resource-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

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

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

.resource-item p {
    color: #666;
    font-size: 0.95rem;
}

/* ====================================
   CONTACT SECTION
   ==================================== */
.contact-section {
    padding: var(--spacing-xl) 0;
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

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

.contact-methods {
    margin: var(--spacing-md) 0;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    background: var(--light-gray);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--dark-gray);
    transition: all var(--transition-normal);
}

.contact-method:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateX(10px);
}

.method-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.method-info h4 {
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.method-info p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.8;
}

.social-contact {
    margin-top: var(--spacing-md);
}

.social-contact h4 {
    margin-bottom: var(--spacing-sm);
}

.social-links-contact {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.social-links-contact a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: var(--light-gray);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 500;
    transition: all var(--transition-normal);
}

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

.contact-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.cta-card {
    padding: var(--spacing-lg);
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-xl);
}

.cta-card i {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

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

.cta-card p {
    margin-bottom: var(--spacing-md);
    opacity: 0.95;
}

.availability {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: var(--spacing-sm);
    background: var(--light-gray);
    border-radius: var(--radius-md);
    text-align: center;
    justify-content: center;
}

.availability i {
    color: var(--secondary-color);
    font-size: 1.5rem;
}

.availability p {
    margin: 0;
    font-size: 0.9rem;
    color: #666;
}

/* ====================================
   FOOTER
   ==================================== */
.footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    height: 120px;
    width: auto;
    margin-bottom: var(--spacing-sm);
}

.footer-description {
    font-size: 0.95rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.footer-column h4 {
    color: var(--accent-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
}

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

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

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

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

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

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    font-size: 1.1rem;
    transition: all var(--transition-normal);
}

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

.copyright {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

/* ====================================
   BACK TO TOP
   ==================================== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* ====================================
   RESPONSIVE DESIGN
   ==================================== */
@media (max-width: 1024px) {
    .hero-container,
    .about-content,
    .podcast-container,
    .fencing-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        padding-left: 80px;
    }
    
    .timeline-item:nth-child(even) {
        flex-direction: row;
    }
    
    .timeline-icon {
        position: absolute;
        left: 0;
    }
    
    .fencing-content {
        grid-template-columns: 1fr;
    }
    
    .fencing-values {
        grid-template-columns: 1fr;
    }
    
    .fencing-resources {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transition: left var(--transition-normal);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero {
        min-height: auto;
        padding: var(--spacing-xl) 0;
    }
    
    .hero-image {
        order: -1;
    }
    
    .image-wrapper {
        max-width: 250px;
    }
    
    .resources-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
        justify-content: center;
    }
    
    .value-item {
        padding: var(--spacing-sm);
    }
    
    .back-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }
}

/* ====================================
   ANIMACIONES
   ==================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

/* ====================================
   UTILIDADES DE IMPRESIÓN
   ==================================== */
@media print {
    .navbar,
    .scroll-indicator,
    .back-to-top {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding: 2rem 0;
    }
    
    section {
        page-break-inside: avoid;
    }
}