/* Variables CSS - Material Design 3 */
:root {
    /* Colores principales */
    --primary-color: #00e676;
    --primary-container: #00c853;
    --secondary-color: #00b0ff;
    --secondary-container: #0091ea;
    --tertiary-color: #7c4dff;
    
    /* Superficies */
    --surface-dark: #1a1c1e;
    --surface-darker: #121316;
    --surface-container: #1e2023;
    --surface-container-high: #282a2d;
    --surface-container-highest: #33353a;
    
    /* Texto */
    --on-surface: #e3e2e6;
    --on-surface-variant: #c4c6d0;
    --outline: #8e9099;
    --outline-variant: #43474e;
    
    /* Estados */
    --state-hover-opacity: 0.08;
    --state-focus-opacity: 0.12;
    --state-pressed-opacity: 0.12;
    
    /* Gradientes modernos */
    --gradient-primary: linear-gradient(135deg, #00e676 0%, #00b0ff 100%);
    --gradient-surface: linear-gradient(180deg, rgba(0, 230, 118, 0.05) 0%, transparent 100%);
    
    /* Elevaciones Material Design 3 */
    --elevation-1: 0 1px 2px 0 rgba(0, 0, 0, 0.3), 0 1px 3px 1px rgba(0, 0, 0, 0.15);
    --elevation-2: 0 1px 2px 0 rgba(0, 0, 0, 0.3), 0 2px 6px 2px rgba(0, 0, 0, 0.15);
    --elevation-3: 0 4px 8px 3px rgba(0, 0, 0, 0.15), 0 1px 3px 0 rgba(0, 0, 0, 0.3);
    --elevation-4: 0 6px 10px 4px rgba(0, 0, 0, 0.15), 0 2px 3px 0 rgba(0, 0, 0, 0.3);
    --elevation-5: 0 8px 12px 6px rgba(0, 0, 0, 0.15), 0 4px 4px 0 rgba(0, 0, 0, 0.3);
    
    /* Transiciones suaves */
    --transition-standard: cubic-bezier(0.2, 0, 0, 1);
    --transition-emphasized: cubic-bezier(0.2, 0, 0, 1);
    --duration-short: 200ms;
    --duration-medium: 300ms;
    --duration-long: 400ms;
    
    /* Fuentes */
    --font-heading: 'Orbitron', sans-serif;
    --font-subheading: 'Rajdhani', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Border radius Material Design 3 */
    --radius-small: 8px;
    --radius-medium: 12px;
    --radius-large: 16px;
    --radius-extra-large: 28px;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--surface-darker);
    color: var(--on-surface);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navegación - Material Design 3 */
.navbar {
    position: relative;
    width: 100%;
    background: rgba(26, 28, 30, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: var(--elevation-2);
    border-bottom: 1px solid var(--outline-variant);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 900;
    font-family: var(--font-heading);
    letter-spacing: 2px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 4px;
}

.nav-links a {
    color: var(--on-surface-variant);
    text-decoration: none;
    font-family: var(--font-subheading);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    padding: 8px 16px;
    border-radius: var(--radius-large);
    transition: all var(--duration-short) var(--transition-standard);
    position: relative;
}

.nav-links a:hover {
    color: var(--primary-color);
    background: rgba(0, 230, 118, var(--state-hover-opacity));
}

.nav-links a:active {
    background: rgba(0, 230, 118, var(--state-pressed-opacity));
}

/* Language Switcher - Material Design 3 */
.language-switcher {
    display: flex;
    gap: 8px;
    margin-left: 2rem;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--surface-container);
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-large);
    color: var(--on-surface-variant);
    font-family: var(--font-subheading);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--duration-short) var(--transition-standard);
}

.lang-btn:hover {
    background: var(--surface-container-high);
    border-color: var(--primary-color);
    color: var(--primary-color);
    box-shadow: var(--elevation-1);
}

.lang-btn.active {
    background: var(--primary-container);
    border-color: var(--primary-color);
    color: var(--surface-darker);
    box-shadow: var(--elevation-2);
}

.lang-btn i {
    font-size: 1rem;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px 20px 50px;
    position: relative;
    background: 
        radial-gradient(ellipse 80% 50% at 50% 0%, rgba(0, 230, 118, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse 100% 50% at 50% 100%, rgba(0, 176, 255, 0.1) 0%, transparent 60%),
        var(--surface-darker);
    overflow: hidden;
    position: relative;
}

/* Sección Inicio con fondo específico */
#inicio {
    background: 
        radial-gradient(ellipse 80% 50% at 50% 0%, rgba(0, 230, 118, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse 100% 50% at 50% 100%, rgba(0, 176, 255, 0.1) 0%, transparent 60%),
        var(--surface-darker);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-surface);
    opacity: 0.5;
    pointer-events: none;
}

.hero-content {
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-text {
    text-align: center;
    max-width: 900px;
}

.hero-text h1 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    line-height: 1.2;
    letter-spacing: 2px;
    color: var(--on-surface);
}

.glitch {
    position: relative;
    animation: glitch 3s infinite;
}

@keyframes glitch {
    0%, 90%, 100% {
        text-shadow: none;
    }
    92% {
        text-shadow: 3px 0 var(--primary-color), -3px 0 var(--secondary-color);
    }
    94% {
        text-shadow: -3px 0 var(--primary-color), 3px 0 var(--secondary-color);
    }
}

.subtitle {
    font-family: var(--font-subheading);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
    letter-spacing: 0.5px;
}

.hero-description {
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--on-surface-variant);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    justify-content: center;
}

.btn {
    padding: 12px 24px;
    border-radius: var(--radius-extra-large);
    text-decoration: none;
    font-family: var(--font-subheading);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    transition: all var(--duration-medium) var(--transition-emphasized);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--primary-container);
    color: var(--surface-darker);
    box-shadow: var(--elevation-2);
}

.btn-primary:hover {
    box-shadow: var(--elevation-3);
    transform: translateY(-2px);
}

.btn-primary:active {
    box-shadow: var(--elevation-1);
    transform: translateY(0);
}

.btn-secondary {
    background: var(--surface-container-high);
    border: 1px solid var(--outline);
    color: var(--primary-color);
    box-shadow: var(--elevation-1);
}

.btn-secondary:hover {
    background: var(--surface-container-highest);
    border-color: var(--primary-color);
    box-shadow: var(--elevation-2);
}

.hero-info {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--gray-text);
}

.info-item i {
    color: var(--primary-color);
}

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

.security-animation {
    font-size: 12rem;
    color: var(--primary-color);
    animation: pulse 2s infinite, float 3s ease-in-out infinite;
    filter: drop-shadow(0 0 30px rgba(0, 255, 136, 0.5));
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.8;
    }
    50% {
        opacity: 1;
    }
}

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

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 2rem;
    color: var(--primary-color);
    animation: bounce 2s infinite;
}

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

/* Secciones */
section {
    padding: 100px 20px;
    scroll-margin-top: 100px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
    letter-spacing: 1px;
    color: var(--on-surface);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

/* Sobre Mí - Material Design 3 */
.about {
    background: var(--surface-darker);
    padding: 5rem 0;
}

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

.about-text {
    max-width: 900px;
    text-align: center;
    background: var(--surface-container);
    padding: 3rem;
    border-radius: var(--radius-large);
    border: 1px solid var(--outline-variant);
    box-shadow: var(--elevation-2);
}

.about-text p {
    margin-bottom: 1.5rem;
    font-family: var(--font-body);
    font-size: 1.05rem;
    font-weight: 400;
    color: var(--on-surface);
    line-height: 1.8;
}

.about-text p:last-child {
    margin-bottom: 0;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 10px;
    border: 1px solid rgba(0, 255, 136, 0.2);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-family: var(--font-body);
    font-weight: 500;
    color: var(--gray-text);
    margin-top: 0.5rem;
}

.about-education {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 136, 0.2);
}

.about-education h3 {
    font-family: var(--font-subheading);
    font-weight: 600;
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: 1px;
}

.education-item {
    margin-bottom: 2rem;
}

.education-item:last-child {
    margin-bottom: 0;
}

.education-item h4 {
    font-family: var(--font-subheading);
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--light-text);
    margin-bottom: 0.5rem;
    letter-spacing: 0.5px;
}

.education-degree {
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--gray-text);
    font-style: italic;
}

.education-date {
    font-family: var(--font-subheading);
    color: var(--secondary-color);
    font-size: 0.95rem;
    font-weight: 500;
    margin-top: 0.5rem;
    letter-spacing: 0.5px;
}

/* Timeline de Experiencia */
.timeline {
    position: relative;
    padding-left: 50px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-2);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-dot {
    position: absolute;
    left: -56px;
    top: 0;
    width: 15px;
    height: 15px;
    background: var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
}

.timeline-content {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 136, 0.2);
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow);
}

.timeline-date {
    font-family: var(--font-subheading);
    color: var(--secondary-color);
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    letter-spacing: 0.5px;
}

.timeline-content h3 {
    font-family: var(--font-subheading);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    letter-spacing: 0.5px;
}

.timeline-content h4 {
    font-family: var(--font-subheading);
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--light-text);
    margin-bottom: 0.5rem;
}

.job-type {
    font-family: var(--font-body);
    color: var(--gray-text);
    font-style: italic;
    font-weight: 400;
    margin-bottom: 1rem;
}

.timeline-content ul {
    list-style: none;
    padding-left: 0;
}

.timeline-content ul li {
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    position: relative;
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--gray-text);
    line-height: 1.7;
}

.timeline-content ul li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* Idiomas - Material Design 3 */
.languages {
    background: var(--surface-darker);
    padding: 5rem 0;
}

.languages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    max-width: 700px;
    margin: 0 auto;
}

.language-card {
    background: var(--surface-container);
    padding: 2rem;
    border-radius: var(--radius-large);
    border: 1px solid var(--outline-variant);
    text-align: center;
    transition: all var(--duration-medium) var(--transition-emphasized);
    box-shadow: var(--elevation-1);
}

.language-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--elevation-3);
    border-color: var(--primary-color);
    background: var(--surface-container-high);
}

.language-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.language-card h3 {
    font-family: var(--font-subheading);
    font-weight: 700;
    color: var(--light-text);
    margin-bottom: 0.5rem;
    font-size: 1.4rem;
    letter-spacing: 0.5px;
}

.language-level {
    font-family: var(--font-subheading);
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.language-details {
    font-family: var(--font-body);
    font-weight: 300;
    color: var(--gray-text);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Educación */
.education {
    background: var(--surface-dark);
    padding: 5rem 0;
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.education-card {
    background: var(--surface-container);
    padding: 2.5rem;
    border-radius: var(--radius-large);
    border: 1px solid var(--outline-variant);
    text-align: center;
    transition: all var(--duration-medium) var(--transition-emphasized);
    box-shadow: var(--elevation-1);
}

.education-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--elevation-3);
    border-color: var(--primary-color);
    background: var(--surface-container-high);
}

.education-icon {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.education-card h3 {
    font-family: var(--font-subheading);
    font-weight: 700;
    color: var(--on-surface);
    margin-bottom: 1rem;
    font-size: 1.25rem;
    letter-spacing: 0.25px;
}

.education-card .education-degree {
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--on-surface-variant);
    font-style: italic;
    margin-bottom: 0.5rem;
}

.education-card .education-date {
    font-family: var(--font-subheading);
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

/* Habilidades */
.skills {
    background: var(--surface-dark);
    padding: 5rem 0;
}

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

.skill-category {
    background: var(--surface-container);
    padding: 2rem;
    border-radius: var(--radius-large);
    border: 1px solid var(--outline-variant);
    transition: all var(--duration-medium) var(--transition-emphasized);
    box-shadow: var(--elevation-1);
}

.skill-category:hover {
    transform: translateY(-8px);
    box-shadow: var(--elevation-3);
    border-color: var(--primary-color);
    background: var(--surface-container-high);
}

.category-icon {
    font-size: 2.75rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.skill-category h3 {
    font-family: var(--font-subheading);
    font-weight: 700;
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: var(--on-surface);
    letter-spacing: 0.25px;
}

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

.skill-category ul li {
    padding: 0.7rem 0;
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 0.95rem;
    color: var(--on-surface-variant);
    border-bottom: 1px solid var(--outline-variant);
    line-height: 1.5;
}

.skill-category ul li:last-child {
    border-bottom: none;
}

/* Certificaciones */
.certifications {
    background: var(--surface-darker);
    padding: 5rem 0;
}

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

.cert-card {
    background: var(--surface-container);
    padding: 2rem;
    border-radius: var(--radius-large);
    border: 1px solid var(--outline-variant);
    text-align: center;
    transition: all var(--duration-medium) var(--transition-emphasized);
    box-shadow: var(--elevation-1);
}

.cert-card:hover {
    transform: scale(1.03);
    box-shadow: var(--elevation-4);
    border-color: var(--primary-color);
}

.cert-icon {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.cert-card h3 {
    font-family: var(--font-subheading);
    font-weight: 700;
    margin-bottom: 1rem;
    font-size: 1.2rem;
    letter-spacing: 0.25px;
    color: var(--on-surface);
}

.cert-issuer {
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--on-surface-variant);
    margin-bottom: 0.5rem;
}

.cert-date {
    font-family: var(--font-subheading);
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 1rem;
    display: block;
    letter-spacing: 0.5px;
}

.cert-preview {
    margin: 1rem 0;
    overflow: hidden;
    border-radius: 10px;
    border: 2px solid rgba(0, 255, 136, 0.3);
    transition: var(--transition);
}

.cert-preview:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

.cert-thumbnail {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    transition: var(--transition);
    cursor: pointer;
}

.cert-thumbnail:hover {
    transform: scale(1.05);
}

.btn-cert {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--gradient-2);
    color: var(--darker-bg);
    text-decoration: none;
    border-radius: 25px;
    font-family: var(--font-subheading);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    transition: var(--transition);
    margin-top: 1rem;
}

.btn-cert:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0, 255, 136, 0.4);
}

.cert-pending {
    display: inline-block;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--gray-text);
    border-radius: 25px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 400;
    font-style: italic;
    margin-top: 1rem;
}

/* Contacto */
.contact {
    background: var(--darker-bg);
}

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

.contact-info h3 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 2rem;
    margin-bottom: 1rem;
    letter-spacing: 1px;
    text-align: center;
}

.contact-info > p {
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--gray-text);
    margin-bottom: 2rem;
    line-height: 1.7;
    text-align: center;
}

.contact-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 15px 30px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-family: var(--font-subheading);
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    transition: var(--transition);
    margin: 2rem auto;
    box-shadow: 0 5px 20px rgba(37, 211, 102, 0.3);
    width: fit-content;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 5px;
}

.contact-item h4 {
    font-family: var(--font-subheading);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--light-text);
    margin-bottom: 0.5rem;
    letter-spacing: 0.5px;
}

.contact-item p,
.contact-item a {
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--gray-text);
    text-decoration: none;
}

.contact-item a:hover {
    color: var(--primary-color);
}

/* Botón WhatsApp */
.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 15px 30px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-family: var(--font-subheading);
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    transition: var(--transition);
    margin: 2rem 0;
    box-shadow: 0 5px 20px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp i {
    font-size: 1.5rem;
}

.btn-whatsapp:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
    background: linear-gradient(135deg, #128C7E 0%, #25D366 100%);
}

.btn-whatsapp:active {
    transform: translateY(-1px);
}

/* Formulario */
.contact-form {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 136, 0.2);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--dark-bg);
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 8px;
    color: var(--light-text);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
}

.form-group textarea {
    resize: vertical;
}

/* Footer */
.footer {
    background: var(--darker-bg);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid rgba(0, 255, 136, 0.2);
    font-family: var(--font-body);
}

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

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--card-bg);
    border-radius: 50%;
    color: var(--light-text);
    transition: var(--transition);
}

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

/* Botón flotante de WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    padding: 15px 25px;
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    text-decoration: none;
    font-family: var(--font-subheading);
    font-weight: 700;
    font-size: 1rem;
}

.whatsapp-float:hover {
    background-color: #128c7e;
    transform: scale(1.05);
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
}

.whatsapp-float i {
    font-size: 30px;
}

.whatsapp-text {
    font-size: 1.1rem;
    letter-spacing: 0.5px;
}

/* Animación de pulso para el botón de WhatsApp */
@keyframes pulse-whatsapp {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

.whatsapp-float {
    animation: pulse-whatsapp 2s infinite;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: rgba(10, 14, 39, 0.98);
        width: 100%;
        padding: 2rem;
        transition: var(--transition);
    }

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

    .language-switcher {
        margin-left: auto;
        margin-right: 1rem;
    }

    .lang-btn {
        padding: 6px 12px;
        font-size: 0.85rem;
    }

    .menu-toggle {
        display: block;
    }

    .hero {
        padding: 80px 20px 60px;
        min-height: auto;
    }

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

    .hero-text h1 {
        font-size: 2rem;
        line-height: 1.2;
        margin-bottom: 1rem;
    }

    .subtitle {
        font-size: 1.2rem;
        margin-bottom: 0.8rem;
    }

    .hero-description {
        font-size: 0.95rem;
        line-height: 1.6;
        margin-bottom: 1.5rem;
        padding: 0 10px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 0.8rem;
        margin-bottom: 1.5rem;
        padding: 0 20px;
        align-items: center;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
        width: 100%;
        max-width: 280px;
        justify-content: center;
        text-align: center;
    }

    .hero-info {
        flex-direction: column;
        gap: 0.8rem;
        justify-content: center;
        align-items: center;
        padding: 0 20px;
    }

    .info-item {
        font-size: 0.9rem;
        justify-content: center;
        text-align: center;
    }

    .security-animation {
        font-size: 10rem;
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }

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

    .timeline {
        padding-left: 30px;
    }

    .timeline-dot {
        left: -36px;
    }

    .footer .container {
        flex-direction: column;
        gap: 1rem;
    }

    .container {
        padding: 0 20px;
    }

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

/* Estilos específicos para iPhone 13 y dispositivos similares (390px de ancho) */
@media (max-width: 430px) {
    .hero-text h1 {
        font-size: 1.75rem;
        padding: 0 10px;
    }

    .subtitle {
        font-size: 1.1rem;
    }

    .hero-description {
        font-size: 0.9rem;
        padding: 0 5px;
    }

    .hero-buttons {
        padding: 0 15px;
        align-items: center;
    }

    .btn {
        padding: 9px 18px;
        font-size: 0.85rem;
        max-width: 260px;
        text-align: center;
    }

    .hero-info {
        padding: 0 15px;
        align-items: center;
    }

    .info-item {
        font-size: 0.85rem;
        justify-content: center;
        text-align: center;
    }

    .info-item i {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .container {
        padding: 0 15px;
    }
}