/* ============================================
   PORTFOLIO  ESTILO SAILOR MOON
   ============================================ */

/* ============================================
   1. CSS VARIABLES & REINICIO
   ============================================ */

:root {
    /* Paleta de color Sailor Moon*/
    --color-primary: #ff69b4;        /* Hot Pink */
    --color-secondary: #87ceeb;      /* Sky Blue */
    --color-accent: #ffd700;         /* Gold */
    --color-purple: #9370db;         /* Medium Purple */
    --color-dark: #1a1a2e;           /* Dark Blue */
    --color-darker: #0f0f1e;         /* Darker Blue */
    --color-light: #f8f9fa;          /* Light Gray */
    --color-white: #ffffff;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #ff69b4 0%, #ff1493 100%);
    --gradient-secondary: linear-gradient(135deg, #87ceeb 0%, #4682b4 100%);
    --gradient-magical: linear-gradient(135deg, #ff69b4 0%, #87ceeb 50%, #ffd700 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    
    /* Sombras */
    --shadow-sm: 0 2px 8px rgba(255, 105, 180, 0.1);
    --shadow-md: 0 4px 16px rgba(255, 105, 180, 0.2);
    --shadow-lg: 0 8px 32px rgba(255, 105, 180, 0.3);
    --shadow-glow: 0 0 20px rgba(255, 105, 180, 0.5);
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Tipografía*/
    --font-heading: 'Quicksand', sans-serif;
    --font-body: 'Poppins', sans-serif;
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reinicio de Estilos y Estilos Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* ============================================
   2. TIPOGRAFÍA
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    font-size: clamp(1rem, 2vw, 1.125rem);
}

/* ============================================
   3. UTILIDADES DE DISEÑO
   ============================================ */

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

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    background: var(--gradient-magical);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.section-title i {
    -webkit-text-fill-color: var(--color-accent);
    font-size: 0.8em;
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   4. CABECERA Y NAVEGACIÓN
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 2px solid rgba(255, 105, 180, 0.2);
}

.nav {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.nav-logo i {
    font-size: 1.8rem;
    animation: rotate 10s linear infinite;
}

.nav-menu {
    display: flex;
    gap: 1.25rem;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.menu-checkbox {
    display: none;
}

.menu-burger {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--color-primary);
    transition: all var(--transition-normal);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    transition: all var(--transition-normal);
    position: relative;
}

/* PSEUDOCLASES: :hover */
.nav-link:hover {
    background: rgba(255, 105, 180, 0.1);
    color: var(--color-primary);
    transform: translateY(-2px);
}

/* PSEUDOCLASES: :focus */
.nav-link:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* PSEUDOCLASES: :active */
.nav-link:active {
    transform: translateY(0);
}

.nav-link i {
    font-size: 1.2rem;
}

/* ============================================
   5. SECCIÓN HERO
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: var(--spacing-xl) var(--spacing-md);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../img/hero-background.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 105, 180, 0.3) 0%, rgba(135, 206, 235, 0.3) 100%);
    /* REQUERIDO: mix-blend-mode */
    mix-blend-mode: multiply;
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 800px;
    /* ANIMACIÓN: fadeInUp */
    animation: fadeInUp 1s ease-out;
}

.hero-greeting {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(255, 105, 180, 0.3);
}

.hero-greeting i {
    color: var(--color-accent);
    animation: pulse 2s ease-in-out infinite;
}

.hero-title {
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.title-line {
    display: block;
}

.magical-text {
    background: var(--gradient-magical);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    /* ANIMACIÓN: glow */
    animation: glow 3s ease-in-out infinite;
    filter: drop-shadow(0 0 20px rgba(255, 105, 180, 0.5));
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-light);
    opacity: 0.9;
}

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

/* ============================================
   6. BOTONES
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

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

/* PSEUDOCLASES: :hover en botones */
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    filter: brightness(1.1);
}

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

.btn-secondary:hover {
    background: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* PSEUDOCLASES: :focus en botones */
.btn:focus {
    outline: 3px solid var(--color-accent);
    outline-offset: 3px;
}

/* PSEUDOCLASES: :active en botones */
.btn:active {
    transform: translateY(-1px);
}

/* ============================================
   7. ELEMENTOS FLOTANTES (ANIMACIONES)
   ============================================ */

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.floating-star,
.floating-moon {
    position: absolute;
    color: var(--color-accent);
    opacity: 0.6;
    /* ANIMACIÓN: float */
    animation: float 6s ease-in-out infinite;
}

.star-1 {
    top: 20%;
    left: 10%;
    font-size: 2rem;
    animation-delay: 0s;
}

.star-2 {
    top: 60%;
    right: 15%;
    font-size: 1.5rem;
    animation-delay: 1s;
}

.star-3 {
    bottom: 30%;
    left: 20%;
    font-size: 1.8rem;
    animation-delay: 2s;
}

.floating-moon {
    top: 15%;
    right: 10%;
    font-size: 3rem;
    color: var(--color-secondary);
    animation: rotate 20s linear infinite;
}

/* ============================================
   8. SECCIÓN SOBRE MÍ
   ============================================ */

.about {
    padding: var(--spacing-xl) 0;
    background: var(--gradient-dark);
}

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

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-magical);
    /* REQUERIDO: mix-blend-mode */
    mix-blend-mode: screen;
    opacity: 0.3;
    transition: opacity var(--transition-normal);
}

/* PSEUDOCLASES: :hover en imagen */
.image-wrapper:hover img {
    transform: scale(1.05);
}

.image-wrapper:hover .image-overlay {
    opacity: 0.5;
}

.about-text {
    color: var(--color-light);
}

.about-intro {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-description {
    margin-bottom: var(--spacing-sm);
}

.about-skills {
    margin: var(--spacing-md) 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.about-skills li {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.125rem;
}

.about-skills i {
    color: var(--color-primary);
    font-size: 1.5rem;
}

.about-current {
    margin: var(--spacing-md) 0;
    line-height: 1.8;
}

.about-info {
    margin-top: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    border-left: 3px solid var(--color-primary);
}

.info-item i {
    color: var(--color-accent);
    font-size: 1.5rem;
    margin-top: 0.25rem;
}

.info-item div {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

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

/* ============================================
   8.1 TARJETAS DE INFORMACIÓN PROFESIONAL 
   ============================================ */

.professional-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto;
}

.info-card {
    display: flex;
    gap: var(--spacing-md);
    background: rgba(255, 255, 255, 0.03);
    padding: var(--spacing-md);
    border-radius: 20px;
    border: 1px solid rgba(255, 105, 180, 0.1);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-magical);
    opacity: 0.5;
    transition: opacity var(--transition-normal);
}

.info-card:hover {
    transform: translateX(10px);
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 105, 180, 0.3);
    box-shadow: var(--shadow-md);
}

.info-card:hover::before {
    opacity: 1;
}

.card-icon {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
    background: rgba(255, 105, 180, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-primary);
    border: 1px solid rgba(255, 105, 180, 0.2);
    transition: all var(--transition-normal);
}

.info-card:hover .card-icon {
    background: var(--color-primary);
    color: var(--color-white);
    transform: rotate(360deg);
}

.card-content {
    flex-grow: 1;
}

.card-date {
    display: block;
    font-size: 0.875rem;
    color: var(--color-secondary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.card-title {
    color: var(--color-white);
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.card-institution,
.card-company {
    color: var(--color-primary);
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.card-description {
    font-size: 1rem;
    color: var(--color-light);
    opacity: 0.8;
    line-height: 1.6;
}

.card-description ul {
    list-style: none;
    padding-left: 0;
}

.card-description li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.card-description li::before {
    content: '✦';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

/* ============================================
   8.2 EDUCACIÓN Y EXPERIENCIA ESPECÍFICA
   ============================================ */

.education, .experience {
    padding: var(--spacing-xl) 0;
    background: var(--color-dark);
}

.experience {
    background: var(--gradient-dark);
}


/* ============================================
   10. PROYECTOS
   ============================================ */

.projects {
    padding: var(--spacing-xl) 0;
    background: var(--gradient-dark);
}

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

.project-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(255, 105, 180, 0.2);
    transition: all var(--transition-normal);
}

/* PSEUDOCLASES: :hover en tarjetas de proyectos */
.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.project-image {
    position: relative;
    height: 250px;
    overflow: hidden;
    background: var(--color-primary);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform var(--transition-slow);
    /* AFILADO Y RENDERIZADO */
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    /* PREVEVENIR EL DESENFOQUE DURANTE LAS TRANSICIONES */
    backface-visibility: hidden;
    transform: translateZ(0);
    filter: brightness(1);
}

.project-card:hover .project-image img {
    transform: scale(1.05) translateZ(0);
    filter: brightness(1.05);       /* Ligero aumento del brillo en lugar de la recuperación */
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    /* REQUERIDO: mix-blend-mode */
    mix-blend-mode: overlay;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-overlay i {
    font-size: 4rem;
    color: var(--color-white);
    animation: pulse 1.5s ease-in-out infinite;
}

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

.project-title {
    color: var(--color-primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.project-description {
    color: var(--color-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tag {
    background: rgba(255, 105, 180, 0.2);
    color: var(--color-primary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid rgba(255, 105, 180, 0.3);
}

.project-link {
    display: flex;
    width: fit-content;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-secondary);
    font-weight: 600;
    transition: all var(--transition-fast);
    margin-bottom: 0.75rem;
}

.project-link:last-child {
    margin-bottom: 0;
}

.project-link:hover {
    color: var(--color-primary);
    gap: 1rem;
}

/* ============================================
   11. SECCIÓN DE TECNOLOGÍAS
   ============================================ */

.technologies {
    padding: var(--spacing-xl) 0;
    background: var(--color-dark);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    border: 1px solid rgba(255, 105, 180, 0.2);
    transition: all var(--transition-normal);
    cursor: pointer;
}

/* PSEUDOCLASES: :hover en elementos de tecnología */
.tech-item:hover {
    background: rgba(255, 105, 180, 0.1);
    border-color: var(--color-primary);
    transform: translateY(-5px) scale(1.05);
    box-shadow: var(--shadow-md);
}

.tech-item i {
    font-size: 3rem;
    background: var(--gradient-magical);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: transform var(--transition-normal);
}

.tech-item:hover i {
    transform: rotateY(360deg);
}

.tech-item span {
    font-weight: 500;
    color: var(--color-light);
}

/* ============================================
   12. SECCIÓN DE CONTACTO
   ============================================ */

.contact {
    padding: var(--spacing-xl) 0;
    background: var(--gradient-dark);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.contact-title {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.contact-description {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-light);
    margin-bottom: var(--spacing-md);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.125rem;
}

.contact-item i {
    color: var(--color-accent);
    font-size: 1.5rem;
}

.contact-item a {
    color: var(--color-secondary);
    transition: color var(--transition-fast);
}

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

.social-title {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    text-align: center;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.social-link {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    border: 2px solid rgba(255, 105, 180, 0.3);
    transition: all var(--transition-normal);
}

.social-link i {
    font-size: 1.5rem;
    color: var(--color-light);
    transition: all var(--transition-normal);
}

/* PSEUDOCLASES: :hover en enlaces sociales */
.social-link:hover {
    background: var(--gradient-primary);
    border-color: var(--color-primary);
    transform: translateY(-5px) rotate(360deg);
    box-shadow: var(--shadow-glow);
}

.social-link:hover i {
    color: var(--color-white);
}

/* ============================================
   13. PIE DE PÁGINA
   ============================================ */

.footer {
    padding: var(--spacing-md) 0;
    background: var(--color-darker);
    border-top: 2px solid rgba(255, 105, 180, 0.2);
    text-align: center;
}

.footer-text {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--color-light);
}

.footer-text i {
    color: var(--color-primary);
}

.footer-tagline {
    color: var(--color-secondary);
    font-size: 0.95rem;
    font-style: italic;
}

/* ============================================
   14. ANIMACIONES KEYFRAME
   ============================================ */

/* ANIMACIÓN: fadeInUp - Entrada del héroe */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ANIMACIÓN: float - Elementos flotantes */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* ANIMACIÓN: glow - Efecto de brillo mágico */
@keyframes glow {
    0%, 100% {
        filter: drop-shadow(0 0 10px rgba(255, 105, 180, 0.5));
    }
    50% {
        filter: drop-shadow(0 0 30px rgba(255, 105, 180, 0.8));
    }
}

/* ANIMACIÓN: pulse - Efecto de pulso */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

/* ANIMACIÓN: rotate - Rotación */
@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* ============================================
   15. DISEÑO RESPONSIVE - MEDIA QUERIES
   ============================================ */

/* Tablet - 768px and up */
@media (min-width: 768px) {
    .about-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .professional-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .tech-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Desktop - 1024px and up */
@media (min-width: 1024px) {
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .tech-grid {
        grid-template-columns: repeat(6, 1fr);
    }
    
    .nav-menu {
        gap: 1.5rem;
    }
    
    .hero {
        padding: var(--spacing-xl) var(--spacing-lg);
    }
}

/* Mobile - max 900px */
@media (max-width: 900px) {
    .menu-burger {
        display: block;
        z-index: 1001;
    }

    .burger-close {
        display: none;
    }

    .menu-checkbox:checked ~ .menu-burger .burger-open {
        display: none;
    }

    .menu-checkbox:checked ~ .menu-burger .burger-close {
        display: block;
    }

    .nav-menu {
        flex-direction: column;
        position: fixed;
        top: 0;
        right: -100%;
        width: 250px;
        height: 100vh;
        background: rgba(26, 26, 46, 0.98);
        padding: 6rem 2rem 2rem;
        gap: 1.5rem;
        transition: right var(--transition-normal);
        border-left: 2px solid var(--color-primary);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.5);
        z-index: 1000;
    }

    .menu-checkbox:checked ~ .nav-menu {
        right: 0;
    }
    
    .nav-link span {
        display: block;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .professional-grid {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .btn {
        justify-content: center;
    }
}