/* ===================================
   VARIABLES Y ESTILOS GLOBALES
   =================================== */

:root {
    /* Colores */
    --primary: #1E3A8A;
    --primary-dark: #1e40af;
    --secondary: #7C3AED;
    --secondary-dark: #6d28d9;
    --accent: #EC4899;
    --accent-light: #f472b6;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    /* Neutros */
    --bg-light: #FFFFFF;
    --bg-gray: #F8F9FA;
    --bg-dark: #1F2937;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --border: #E5E7EB;
    
    /* Tipografía */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'Fira Code', monospace;
    
    /* Espaciado */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Bordes */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transiciones */
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

/* ===================================
   CONTENEDOR Y LAYOUT
   =================================== */

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

main {
    min-height: calc(100vh - 100px);
}

/* ===================================
   NAVBAR
   =================================== */

.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-light);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.navbar-brand:hover {
    color: var(--secondary);
}

.brand-emoji {
    font-size: 1.75rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition-fast);
}

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

.nav-link-cta {
    background: var(--primary);
    color: var(--bg-light);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
}

.nav-link-cta:hover::after {
    width: 0;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

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

.hero {
    padding: var(--spacing-3xl) var(--spacing-md);
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.05) 0%, rgba(124, 58, 237, 0.05) 100%);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-content {
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--primary);
}

.text-gradient {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.hero-ctas {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: var(--font-body);
}

.btn-primary {
    background: var(--primary);
    color: var(--bg-light);
    border-color: var(--primary);
}

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

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

.btn-secondary:hover {
    background: var(--primary);
    color: var(--bg-light);
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1.125rem;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.stat-number {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
    font-family: var(--font-heading);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
}

.hero-logo-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 700px;
}

.hero-logo {
    width: 100%;
    max-width: 600px;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 10px 30px rgba(124, 58, 237, 0.2));
    animation: floatLogo 3s ease-in-out infinite;
    transition: var(--transition);
}

.hero-logo:hover {
    filter: drop-shadow(0 15px 40px rgba(124, 58, 237, 0.3));
}

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

.hero-image-placeholder {
    position: relative;
    width: 300px;
    height: 300px;
}

.hero-circle {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid var(--secondary);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

.floating-box {
    position: absolute;
    font-size: 3rem;
    animation: float 3s ease-in-out infinite;
}

.box-1 {
    top: 20px;
    left: 50%;
    animation-delay: 0s;
}

.box-2 {
    top: 50%;
    right: 20px;
    animation-delay: 1s;
}

.box-3 {
    bottom: 20px;
    left: 20px;
    animation-delay: 2s;
}

/* ===================================
   SECCIONES
   =================================== */

section {
    padding: var(--spacing-3xl) var(--spacing-md);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header h1,
.section-header h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.section-cta {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-2xl);
}

/* ===================================
   PROYECTOS
   =================================== */

.projects-preview {
    background: var(--bg-gray);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.project-card {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-fast);
    border: 1px solid var(--border);
}

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

.project-image-placeholder {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-light);
    font-size: 3rem;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.project-image-preview {
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-preview-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    padding: var(--spacing-md);
}

.placeholder-bg {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--bg-light);
}

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

.project-content h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary);
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.project-tags {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.tag {
    display: inline-block;
    background: var(--bg-gray);
    color: var(--primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.project-links {
    display: flex;
    gap: var(--spacing-md);
}

.link-btn {
    flex: 1;
    text-align: center;
    padding: var(--spacing-md);
    background: var(--primary);
    color: var(--bg-light);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.875rem;
    transition: var(--transition-fast);
}

.link-btn:hover {
    background: var(--primary-dark);
}

/* Proyectos Detallados */
.projects-detailed-grid {
    display: grid;
    gap: var(--spacing-2xl);
}

.project-detailed-card {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-2xl);
    background: var(--bg-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: var(--transition-fast);
}

.project-detailed-card:hover {
    box-shadow: var(--shadow-lg);
}

.project-image {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

.project-image-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
}

.image-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-content {
    font-size: 4rem;
    font-weight: 700;
    color: var(--bg-light);
}

.project-info h3 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.project-details {
    background: var(--bg-gray);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.project-details h4 {
    color: var(--primary);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.project-technologies {
    margin-bottom: var(--spacing-lg);
}

.project-technologies h4 {
    color: var(--primary);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.tech-tags {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.tech-tag {
    display: inline-block;
    background: var(--secondary);
    color: var(--bg-light);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.project-actions {
    display: flex;
    gap: var(--spacing-md);
}

/* ===================================
   HABILIDADES
   =================================== */

.skills-preview {
    background: var(--bg-white);
}

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

.skill-category-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--bg-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition-fast);
    cursor: pointer;
}

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

.category-icon {
    display: block;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.skill-category-card h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.skill-category-card p {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* Skills Section */
.skills-section {
    background: var(--bg-gray);
}

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

.skill-category {
    background: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: var(--transition-fast);
}

.skill-category:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.category-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.category-header .category-icon {
    font-size: 2.5rem;
    display: block;
}

.category-header h3 {
    font-family: var(--font-heading);
    color: var(--primary);
    font-weight: 600;
}

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

.skill-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.skill-icon {
    width: 1.5rem;
    height: 1.5rem;
    object-fit: contain;
    flex-shrink: 0;
    filter: brightness(0) saturate(100%) invert(29%) sepia(70%) saturate(1129%) hue-rotate(217deg) brightness(104%) contrast(93%);
}

.skill-badge {
    display: inline-block;
    background: var(--bg-gray);
    color: var(--primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.skill-badge:hover {
    background: var(--primary);
    color: var(--bg-light);
}

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

.info-box {
    background: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.info-box h3 {
    color: var(--primary);
    font-family: var(--font-heading);
    margin-bottom: var(--spacing-md);
}

.info-box ul {
    list-style: none;
}

.info-box li {
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    padding-left: var(--spacing-md);
    position: relative;
}

.info-box li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: 600;
}

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

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

.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.about-text h2 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    color: var(--primary);
    margin-bottom: var(--spacing-lg);
}

.about-text h3 {
    font-family: var(--font-heading);
    color: var(--primary);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.approach-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.approach-list li {
    display: flex;
    gap: var(--spacing-lg);
}

.list-icon {
    font-size: 1.5rem;
    min-width: 2rem;
    text-align: center;
}

.approach-list h4 {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.approach-list p {
    font-size: 0.95rem;
    margin: 0;
}

/* About Sidebar */
.about-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    position: sticky;
    top: 100px;
    margin-top: calc(-1 * var(--spacing-3xl) * 3);
}

/* Profile Photo Container */
.profile-photo-container {
    position: relative;
    margin: 0 auto;
    margin-bottom: 0;
    /* Sin restricciones de tamaño ni recorte */
}

.profile-photo {
    display: block;
    width: 100%;
    height: auto;
    /* Sin object-fit para evitar recortes */
}



.profile-photo:hover {
    /* Sin estilos de hover */
}

.photo-decoration {
    display: none;
}

@keyframes decorationPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.15);
    }
}

.info-card {
    background: var(--bg-gray);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary);
}

.info-card h3 {
    color: var(--primary);
    font-family: var(--font-heading);
    margin-bottom: var(--spacing-md);
}

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

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

.info-number {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--secondary);
}

.info-label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
}

.social-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    background: var(--primary);
    color: var(--bg-light);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition-fast);
    min-height: 2.5rem;
}

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

.social-icon-btn {
    width: 1.5rem;
    height: 1.5rem;
}

.social-btn:hover {
    background: var(--primary-dark);
}

/* ===================================
   CONTACT SECTION
   =================================== */

.contact-section {
    background: var(--bg-gray);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    max-width: 700px;
    margin: 0 auto;
}

.contact-info h3,
.contact-form-wrapper h3 {
    font-family: var(--font-heading);
    color: var(--primary);
    margin-bottom: var(--spacing-md);
    font-size: 1.75rem;
}

.contact-info p,
.contact-form-wrapper p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-size: 1.05rem;
    line-height: 1.6;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.contact-method {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
    padding: var(--spacing-lg);
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--secondary);
    transition: var(--transition-fast);
}

.contact-method:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.method-icon {
    font-size: 1.75rem;
    min-width: 3rem;
    text-align: center;
    color: var(--secondary);
}

.contact-method h4 {
    color: var(--primary);
    font-weight: 600;
    margin: 0 0 var(--spacing-xs) 0;
    font-size: 1.1rem;
}

.contact-method a {
    color: var(--secondary);
    text-decoration: none;
    transition: var(--transition-fast);
    font-weight: 500;
}

.contact-method a:hover {
    color: var(--secondary-dark);
    text-decoration: underline;
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--bg-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-weight: 600;
    color: var(--primary);
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.error-message {
    color: var(--error);
    font-size: 0.875rem;
    display: none;
}

.form-group input:invalid:not(:placeholder-shown) ~ .error-message,
.form-group textarea:invalid:not(:placeholder-shown) ~ .error-message {
    display: block;
}

.form-message {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 600;
    display: none;
}

.form-message.loading {
    display: block;
    background: var(--primary);
    color: var(--bg-light);
}

.form-message.success {
    display: block;
    background: var(--success);
    color: var(--bg-light);
}

.form-message.error {
    display: block;
    background: var(--error);
    color: var(--bg-light);
}

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

.footer {
    background: var(--bg-dark);
    color: var(--bg-light);
    padding: var(--spacing-2xl) var(--spacing-md);
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h3,
.footer-section h4 {
    font-family: var(--font-heading);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

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

.footer-section li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-section a:hover {
    color: var(--secondary);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.social-icon {
    width: 24px;
    height: 24px;
    transition: var(--transition-fast);
}

.social-links a:hover .social-icon {
    color: var(--secondary);
}

.footer-divider {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--spacing-lg);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.heart {
    color: var(--accent);
}

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

.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--bg-light);
    text-align: center;
}

.cta-section h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.cta-section p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

/* ===================================
   ANIMACIONES
   =================================== */

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

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

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

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

@media (max-width: 768px) {
    :root {
        --spacing-3xl: 2.5rem;
    }
    
    /* Navbar */
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--bg-light);
        flex-direction: column;
        gap: var(--spacing-md);
        padding: var(--spacing-lg);
        border-bottom: 1px solid var(--border);
        display: none;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    /* Hero */
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-visual {
        min-height: 300px;
    }
    
    /* About */
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-sidebar {
        position: relative;
        top: auto;
        margin-top: 0;
    }
    
    /* Contact */
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    /* Projects */
    .project-detailed-card {
        grid-template-columns: 1fr;
    }
    
    /* General */
    section {
        padding: var(--spacing-2xl) var(--spacing-md);
    }
    
    .section-header h1,
    .section-header h2 {
        font-size: 1.75rem;
    }
}

@media (max-width: 480px) {
    :root {
        font-size: 14px;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-ctas {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .project-card {
        width: 100%;
    }
    
    .contact-method {
        flex-direction: column;
    }
}