@page {
    size: A4;
    margin: 15mm;
}

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

body {
    font-family: 'Roboto', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background: white;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Asap Condensed', 'Arial Narrow', sans-serif;
}

/* Irina Ichim Brand Colors */
:root {
    /* Colores principales */
    --primary: #ea4f33;
    --secondary: #4737bb;
    --accent: #6c63ff;
    --dark: #2a2170;
    --light: #fdfdfd;
    --warning: #f59e0b;
    --success: #10b981;
    --danger: #ef4444;
    --info: #06b6d4;
    
    /* Sombras */
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.15);
    --shadow-medium: 0 8px 20px rgba(0, 0, 0, 0.15);
    --shadow-light: 0 5px 15px rgba(0, 0, 0, 0.1);
    --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.1);
    
    /* Border radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.8rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Transiciones */
    --transition-fast: 0.3s ease;
    --transition-smooth: 0.6s cubic-bezier(0.33, 0.0, 0.22, 1);
}

/* Cover Page */
.cover {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 40px;
}

.cover h1 {
    font-size: 3.5em;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.cover .subtitle {
    font-size: 1.8em;
    margin-bottom: 40px;
    opacity: 0.95;
    max-width: 800px;
}

.cover .logo {
    font-size: 5em;
    margin-bottom: 30px;
}

.cover .author {
    margin-top: 60px;
    font-size: 1.2em;
    opacity: 0.9;
}

/* Content Sections */
.section {
    padding: 60px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.section h2 {
    color: var(--primary);
    font-size: 2.2em;
    margin-bottom: 30px;
    border-bottom: 3px solid var(--secondary);
    padding-bottom: 10px;
}

.section h3 {
    color: var(--dark);
    font-size: 1.6em;
    margin: 30px 0 15px 0;
}

/* Projects Grid */
.projects-grid {
    display: grid;
    gap: 40px;
    margin-top: 40px;
}

.project-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-card);
    border: 2px solid #e0e7ff;
    transition: all var(--transition-fast);
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 30px;
    align-items: start;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-soft);
    border-color: var(--accent);
}

.project-icon {
    font-size: 5em;
    line-height: 1;
}

.project-content {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.project-title {
    color: var(--primary);
    font-size: 1.8em;
    margin: 0;
    font-weight: 700;
}

.project-description {
    color: #64748b;
    font-size: 1.1em;
    line-height: 1.7;
}

.project-features {
    list-style: none;
    margin: 15px 0;
}

.project-features li {
    padding: 8px 0;
    color: #475569;
    font-size: 0.95em;
}

.project-meta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 15px;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.badge-primary {
    background: linear-gradient(135deg, var(--primary), #f97316);
    color: white;
}

.badge-success {
    background: linear-gradient(135deg, var(--success), #34d399);
    color: white;
}

.badge-warning {
    background: linear-gradient(135deg, var(--warning), #fbbf24);
    color: white;
}

.badge-info {
    background: linear-gradient(135deg, var(--info), #22d3ee);
    color: white;
}

.badge-figma {
    background: linear-gradient(135deg, #a259ff, #f24e1e);
    color: white;
}

.badge-n8n {
    background: linear-gradient(135deg, #ff6d5a, #ff8a7a);
    color: white;
}

/* Info Boxes */
.info-box {
    padding: 25px;
    margin: 25px 0;
    border-radius: var(--radius-md);
    border-left: 5px solid;
}

.info-box.tip {
    background: #f0fdf4;
    border-color: var(--success);
}

.info-box.warning {
    background: #fffbeb;
    border-color: var(--warning);
}

.info-box.danger {
    background: #fef2f2;
    border-color: var(--danger);
}

.info-box.info {
    background: #eff6ff;
    border-color: var(--accent);
}

.info-box-title {
    font-weight: bold;
    font-size: 1.2em;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.info-box ul {
    margin-left: 20px;
}

.info-box li {
    margin: 10px 0;
}

/* Footer */
.footer {
    text-align: center;
    padding: 40px;
    background: linear-gradient(135deg, var(--dark) 0%, var(--secondary) 100%);
    color: white;
    margin-top: 60px;
}

.footer a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer a:hover {
    text-decoration: underline;
}

/* Botón Volver Arriba */
.back-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 2em;
    font-weight: bold;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.4);
}

.back-to-top:active {
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .cover h1 {
        font-size: 2.5em;
    }
    
    .cover .subtitle {
        font-size: 1.3em;
    }
    
    .section {
        padding: 40px 20px;
    }
    
    .project-card {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 30px;
    }
    
    .project-icon {
        font-size: 4em;
    }
    
    .project-meta {
        justify-content: center;
    }
}

@media print {
    .section {
        page-break-inside: avoid;
    }

    .info-box, .project-card {
        page-break-inside: avoid;
    }

    .back-to-top {
        display: none;
    }
}