/* ============================================
   BRACSO.COM - CUSTOM STYLES
   Paleta: Azul Corporativo / Tecnológico
   ============================================ */

:root {
    /* Colores principales */
    --primary-color: #34495e;        /* Azul gris oscuro corporativo */
    --secondary-color: #3498db;      /* Azul brillante tecnológico */
    --accent-color: #2ecc71;         /* Verde éxito (manifiesto ágil) */
    --dark-color: #2c3e50;           /* Azul muy oscuro */
    --light-color: #ecf0f1;          /* Gris muy claro */
    --text-color: #2c3e50;           /* Texto oscuro */
    --background: #ffffff;           /* Fondo blanco */
    --hover-color: #1abc9c;          /* Turquesa para hover */

    /* Tipografía */
    --font-heading: 'Roboto', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    --font-code: 'Source Code Pro', monospace;

    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(52, 73, 94, 0.1);
    --shadow-md: 0 4px 6px rgba(52, 73, 94, 0.15);
    --shadow-lg: 0 10px 20px rgba(52, 73, 94, 0.2);

    /* Transiciones */
    --transition: all 0.3s ease;
}

/* ============================================
   GLOBAL STYLES
   ============================================ */

body {
    font-family: var(--font-body);
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--background);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--dark-color);
    font-weight: 600;
}

a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--hover-color);
}

code, pre {
    font-family: var(--font-code);
}

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

.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-color) 100%);
    box-shadow: var(--shadow-md);
    padding: 1rem 0;
}

.navbar-brand {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    color: white !important;
    transition: var(--transition);
}

.navbar-brand:hover {
    color: var(--accent-color) !important;
    transform: scale(1.05);
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    margin: 0 0.25rem;
    border-radius: 5px;
    transition: var(--transition);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    background-color: rgba(255, 255, 255, 0.1);
    color: white !important;
}

.navbar-toggler {
    border-color: rgba(255, 255, 255, 0.5);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ============================================
   HERO / CAROUSEL
   ============================================ */

.hero-section {
    background: linear-gradient(135deg, var(--light-color) 0%, #ffffff 100%);
    padding: 3rem 0;
    margin-bottom: 2rem;
}

.carousel-item {
    height: 400px;
}

.carousel-item img {
    object-fit: cover;
    height: 100%;
    width: 100%;
}

.carousel-caption {
    background: rgba(236, 240, 241, 0.7); /* Gris claro semitransparente */
    color: var(--dark-color); /* Texto oscuro */
    padding: 1.5rem;
    border-radius: 10px;
    backdrop-filter: blur(5px);
    box-shadow: 0 4px 16px rgba(44, 62, 80, 0.15);
}

.carousel-caption h5, .carousel-caption p {
    color: var(--dark-color);
    text-shadow: 0 2px 8px rgba(255,255,255,0.2);
}

/* ============================================
   CARDS & SECTIONS
   ============================================ */

.card {
    background: rgba(255,255,255,0.95); /* Fondo blanco casi opaco */
    color: var(--dark-color); /* Texto oscuro */
    border: none;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border-radius: 10px;
    overflow: hidden;
}

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

.card-header {
    background: rgba(236,240,241,0.85); /* Fondo gris claro semitransparente */
    color: var(--primary-color);
    font-weight: 600;
    border: none;
}

.card-body {
    background: transparent;
    color: var(--dark-color);
}

.section-title {
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
}

/* ============================================
   BADGES & TAGS
   ============================================ */

.badge {
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: 5px;
}

.badge-primary {
    background-color: var(--primary-color);
}

.badge-secondary {
    background-color: var(--secondary-color);
}

.badge-success {
    background-color: var(--accent-color);
}

.skill-badge {
    display: inline-block;
    margin: 0.25rem;
    padding: 0.5rem 1rem;
    background: var(--light-color);
    color: var(--dark-color);
    border-radius: 20px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.skill-badge:hover {
    background: var(--secondary-color);
    color: white;
    transform: scale(1.05);
}

/* ============================================
   TIMELINE (CV)
   ============================================ */

.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--secondary-color), var(--accent-color));
}

.timeline-item {
    position: relative;
    padding-left: 100px;
    margin-bottom: 2rem;
}

.timeline-marker {
    position: absolute;
    left: 38px;
    width: 28px;
    height: 28px;
    background: var(--secondary-color);
    border: 4px solid white;
    border-radius: 50%;
    box-shadow: var(--shadow-md);
}

.timeline-content {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.timeline-content:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: none;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: 5px;
    transition: var(--transition);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--hover-color) 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-success {
    background-color: var(--accent-color);
    border: none;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: 5px;
}

.btn-success:hover {
    background-color: #27ae60;
}

/* ============================================
   FORMS
   ============================================ */

.form-control {
    border: 2px solid var(--light-color);
    border-radius: 5px;
    padding: 0.75rem;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

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

/* ============================================
   ALERTS
   ============================================ */

.alert {
    border: none;
    border-radius: 10px;
    padding: 1rem 1.5rem;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border-left: 4px solid var(--accent-color);
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border-left: 4px solid #e74c3c;
}

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

footer {
    background: linear-gradient(135deg, var(--dark-color) 0%, var(--primary-color) 100%);
    color: white;
    padding: 2rem 0;
    margin-top: 4rem;
}

footer a {
    color: var(--accent-color);
}

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

.footer-links a {
    margin: 0 0.75rem;
    font-size: 1.5rem;
    transition: var(--transition);
}

.footer-links a:hover {
    transform: scale(1.2);
}

/* ============================================
   MANIFIESTO ÁGIL (destacado)
   ============================================ */

.manifiesto-box {
    background: linear-gradient(135deg, var(--accent-color) 0%, #27ae60 100%);
    color: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    margin: 2rem 0;
}

.manifiesto-box h3 {
    color: white;
    font-weight: 700;
}

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

@media (max-width: 768px) {
    .carousel-item {
        height: 300px;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        padding-left: 60px;
    }

    .timeline-marker {
        left: 8px;
    }

    .section-title {
        font-size: 1.75rem;
    }
}

/* ============================================
   UTILITIES
   ============================================ */

.text-primary-custom {
    color: var(--primary-color) !important;
}

.text-secondary-custom {
    color: var(--secondary-color) !important;
}

.text-accent {
    color: var(--accent-color) !important;
}

.bg-light-custom {
    background-color: var(--light-color) !important;
}

.shadow-custom {
    box-shadow: var(--shadow-md);
}

/* ============================================
   ESTADÍSTICAS DE CONTRIBUCIONES
   ============================================ */

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
    font-family: var(--font-heading);
}

.stat-label {
    font-size: 1rem;
    color: var(--text-color);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05rem;
}

/* ============================================
   PROYECTOS - PROJECT CARDS
   ============================================ */

.project-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--light-color);
}

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

.project-icon-wrapper {
    padding: 2rem 1rem;
}

.project-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: var(--shadow-md);
}

.project-icon i {
    font-size: 2.5rem;
    color: white;
}

.project-title {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.5rem;
}

.project-features {
    list-style: none;
    padding-left: 0;
}

.project-features li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--light-color);
}

.project-features li:last-child {
    border-bottom: none;
}

.project-features li i {
    margin-right: 0.5rem;
}

.project-card-simple {
    background: white;
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100%;
    border: 1px solid var(--light-color);
}

.project-card-simple:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.badge-sm {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
}