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

:root {
    --primary-color: #2D5A27;
    --secondary-color: #4A7C59;
    --accent-color: #8FBC8F;
    --text-dark: #1a1a1a;
    --text-light: #666;
    --bg-light: #f8faf9;
    --white: #ffffff;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.15);
    --border-radius: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: linear-gradient(135deg, #ffffff 0%, #f8faf9 50%, #ffffff 100%);
    overflow-x: hidden;
}

/* Navegación lateral */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 280px;
    height: 100vh;
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 2rem 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(45, 90, 39, 0.15);
}

.nav-brand {
    text-align: center;
    margin-bottom: 3rem;
}

.nav-brand h3 {
    color: var(--white);
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.nav-menu {
    list-style: none;
    padding: 0 1rem;
}

.nav-menu li {
    margin-bottom: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 0;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    z-index: -1;
}

.nav-link:hover::before,
.nav-link.active::before {
    width: 100%;
}

.nav-link:hover,
.nav-link.active {
    color: var(--white);
    transform: translateX(5px);
}

.nav-link i {
    margin-right: 1rem;
    font-size: 1.2rem;
    width: 20px;
}

.progress-indicator {
    position: absolute;
    bottom: 2rem;
    left: 1rem;
    right: 1rem;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--accent-color);
    width: 20%;
    border-radius: 2px;
    transition: var(--transition);
}

/* Contenido principal */
.main-content {
    margin-left: 280px;
    min-height: 100vh;
}

.section {
    min-height: 100vh;
    padding: 4rem 3rem;
    opacity: 0;
    transform: translateY(50px);
    transition: var(--transition);
    display: none;
}

.section.active {
    opacity: 1;
    transform: translateY(0);
    display: block;
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Sección Hero */
.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 2rem;
}

.title-highlight {
    display: block;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-subtitle {
    display: block;
    color: var(--text-light);
    font-size: 2.5rem;
    font-weight: 300;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    line-height: 1.8;
}

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

.criteria-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.criteria-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.criteria-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.criteria-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.criteria-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Elementos flotantes */
.hero-visual {
    position: relative;
    height: 500px;
}

.floating-elements {
    position: relative;
    width: 100%;
    height: 100%;
}

.element {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    opacity: 0.7;
    animation: float 6s ease-in-out infinite;
}

.element-1 {
    width: 120px;
    height: 120px;
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.element-2 {
    width: 80px;
    height: 80px;
    top: 60%;
    right: 30%;
    animation-delay: 2s;
}

.element-3 {
    width: 100px;
    height: 100px;
    bottom: 20%;
    left: 50%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

/* Secciones de cadenas */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    margin-bottom: 2rem;
}

.section-icon i {
    font-size: 2rem;
    color: var(--white);
}

.section-header h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-subtitle {
    font-size: 1.3rem;
    color: var(--text-light);
    font-weight: 300;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.info-panel,
.challenges-panel {
    background: var(--white);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.info-panel:hover,
.challenges-panel:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.info-panel h3,
.challenges-panel h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.info-panel p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 12px;
    transition: var(--transition);
}

.stat-item:hover {
    transform: scale(1.05);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.challenge-list {
    space-y: 1.5rem;
}

.challenge-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 12px;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.challenge-item:hover {
    transform: translateX(10px);
    background: #fff;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.challenge-item i {
    font-size: 1.5rem;
    color: #e74c3c;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.challenge-item h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.challenge-item p {
    color: var(--text-light);
    line-height: 1.6;
}

.opportunities-section {
    max-width: 1400px;
    margin: 0 auto;
}

.opportunities-section h3 {
    font-size: 2.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

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

.opportunity-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.opportunity-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: var(--transition);
}

.opportunity-card:hover::before {
    left: 100%;
}

.opportunity-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-hover);
}

.opportunity-card i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.opportunity-card h4 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.opportunity-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Efectos adicionales y animaciones */
.loaded {
    opacity: 1;
}

body:not(.loaded) {
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    background: #ffffff;
}

/* Efectos de glassmorphism */
.info-panel,
.challenges-panel {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.criteria-card,
.opportunity-card {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Efectos de texto brillante */
.hero-title .title-highlight {
    position: relative;
    overflow: hidden;
}

.hero-title .title-highlight::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Indicadores de sección */
.section-indicator {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.section-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.section-dot.active {
    background: var(--accent-color);
    border-color: var(--white);
    transform: scale(1.2);
}

.section-dot:hover {
    background: var(--accent-color);
    transform: scale(1.1);
}

/* Efectos de carga */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #ffffff 0%, #f8faf9 50%, #ffffff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.5s ease-out;
}

.loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader {
    width: 60px;
    height: 60px;
    border: 3px solid rgba(45, 90, 39, 0.2);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .sidebar {
        width: 240px;
    }

    .main-content {
        margin-left: 240px;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .content-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .section-indicator {
        right: 1rem;
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        padding: 1rem 0;
    }

    .main-content {
        margin-left: 0;
    }

    .section {
        padding: 2rem 1.5rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

    .section-header h2 {
        font-size: 2rem;
    }

    .nav-menu {
        display: flex;
        overflow-x: auto;
        padding: 0 1rem;
    }

    .nav-menu li {
        margin-right: 1rem;
        margin-bottom: 0;
        flex-shrink: 0;
    }

    .progress-indicator {
        display: none;
    }

    .section-indicator {
        display: none;
    }

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

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

/* Mejoras adicionales para fondo blanco */
.section {
    background: transparent;
}

.criteria-card,
.opportunity-card,
.info-panel,
.challenges-panel {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(45, 90, 39, 0.1);
}

.stat-item {
    background: rgba(248, 250, 249, 0.8);
    border: 1px solid rgba(45, 90, 39, 0.05);
}

.challenge-item {
    background: rgba(248, 250, 249, 0.6);
    border: 1px solid rgba(45, 90, 39, 0.05);
}