/* ========== VARIABLES ========== */
:root {
    --verde: #2d8a4e;
    --verde-oscuro: #1a5c32;
    --naranja: #e67e22;
    --naranja-claro: #f39c12;
    --negro: #1a1a2e;
    --blanco: #ffffff;
    --rojo: #c0392b;
    --gris: #95a5a6;
    --gris-claro: #ecf0f1;
}

/* ========== RESET ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Segoe UI', Tahoma, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    min-height: 100vh;
    color: var(--negro);
}

/* ========== TOP BAR ========== */
.top-bar {
    background: var(--negro);
    color: var(--blanco);
    padding: 8px 20px;
    font-size: 11px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}
.top-bar a {
    color: var(--gris);
    text-decoration: none;
    margin-left: 15px;
    transition: 0.3s;
}
.top-bar a:hover { color: var(--naranja); }

/* ========== HEADER ========== */
header {
    background: linear-gradient(135deg, var(--verde) 0%, var(--verde-oscuro) 100%);
    padding: 15px 20px;
}
.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--blanco);
    font-size: 22px;
    font-weight: bold;
    text-decoration: none;
}
.logo i { font-size: 28px; }
.search-box {
    display: flex;
    background: var(--blanco);
    border-radius: 25px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}
.search-box input {
    border: none;
    padding: 12px 20px;
    width: 280px;
    outline: none;
    font-size: 14px;
}
.search-box button {
    background: var(--naranja);
    border: none;
    padding: 12px 25px;
    color: var(--blanco);
    cursor: pointer;
    transition: 0.3s;
}
.search-box button:hover { background: var(--rojo); }
.social-icons a {
    color: var(--blanco);
    margin-left: 12px;
    font-size: 18px;
    transition: 0.3s;
}
.social-icons a:hover { color: var(--naranja); }

/* ========== NAVIGATION ========== */
nav {
    background: rgba(0,0,0,0.3);
    backdrop-filter: blur(10px);
}
.nav-list {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    list-style: none;
    justify-content: center;
    flex-wrap: wrap;
}
.nav-list li a {
    display: block;
    padding: 15px 25px;
    color: var(--blanco);
    text-decoration: none;
    font-size: 13px;
    transition: 0.3s;
    border-bottom: 3px solid transparent;
}
.nav-list li a:hover,
.nav-list li a.active {
    background: rgba(255,255,255,0.1);
    border-bottom-color: var(--naranja);
}
.menu-toggle {
    display: none;
    background: var(--verde);
    border: none;
    color: var(--blanco);
    padding: 15px;
    cursor: pointer;
    width: 100%;
    font-size: 14px;
}

/* ========== HERO ========== */
.hero {
    background: linear-gradient(135deg, var(--rojo) 0%, var(--naranja) 100%);
    padding: 50px 20px;
    text-align: center;
    color: var(--blanco);
}
.hero h1 {
    font-size: 2.2rem;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 2px;
}
.hero p {
    font-size: 1rem;
    max-width: 700px;
    margin: 0 auto 30px;
    opacity: 0.95;
}
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}
.hero-stat {
    text-align: center;
}
.hero-stat .number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
}
.hero-stat .label {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* ========== FILTROS ========== */
.filtros-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px 20px 10px;
}
.filtros {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}
.filtro-btn {
    padding: 10px 20px;
    background: rgba(255,255,255,0.1);
    color: var(--blanco);
    border-radius: 25px;
    text-decoration: none;
    font-size: 13px;
    transition: 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}
.filtro-btn:hover,
.filtro-btn.active {
    background: var(--naranja);
}
.filtro-btn .badge {
    background: rgba(0,0,0,0.3);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
}
.filtro-btn .badge.verde { background: var(--verde); }
.filtro-btn .badge.rojo { background: var(--rojo); }
.filtro-btn .badge.naranja { background: var(--naranja-claro); }

/* ========== SECTION TITLE ========== */
.section-title {
    text-align: center;
    padding: 30px 20px 20px;
    color: var(--blanco);
}
.section-title h2 {
    font-size: 1.8rem;
    text-transform: uppercase;
    letter-spacing: 3px;
}

/* ========== CARDS CONTAINER ========== */
.cards-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px 50px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* ========== SIDEBAR CARD ========== */
.sidebar-card {
    background: linear-gradient(135deg, var(--verde-oscuro) 0%, var(--verde) 100%);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
    color: var(--blanco);
    max-width: 450px;
}
.sidebar-card h3 {
    background: rgba(0,0,0,0.2);
    padding: 20px;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}
.sidebar-card ul {
    list-style: none;
    padding: 15px 20px;
}
.sidebar-card li {
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.15);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    flex-wrap: wrap;
}
.sidebar-card li:last-child { border: none; }
.sidebar-card li i { color: var(--naranja-claro); }
.sidebar-card a {
    color: var(--blanco);
    text-decoration: none;
    transition: 0.3s;
    flex: 1;
}
.sidebar-card a:hover { color: var(--naranja-claro); }
.sidebar-card li small {
    width: 100%;
    padding-left: 24px;
    color: rgba(255,255,255,0.6);
    font-size: 11px;
}

/* ========== PROFESSIONAL CARD ========== */
.pro-card {
    background: var(--blanco);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
    display: grid;
    grid-template-columns: 280px 1fr;
    transition: transform 0.3s, box-shadow 0.3s;
}
.pro-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.4);
}

/* Card Image */
.card-image {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 300px;
}
.card-image img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}
.card-image-placeholder {
    width: 100%;
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.2);
}
.card-image-placeholder i {
    font-size: 4rem;
    opacity: 0.5;
    color: var(--blanco);
}
.card-image-overlay {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--blanco);
}
.card-image-overlay h4 {
    font-size: 0.85rem;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.8;
}
.card-title-overlay {
    font-size: 1.3rem;
    font-weight: bold;
    line-height: 1.3;
}
.card-image-overlay .badge {
    background: rgba(0,0,0,0.3);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 11px;
    margin-top: 12px;
}

/* Card Body */
.card-body {
    display: flex;
    flex-direction: column;
}
.card-content {
    padding: 25px;
    flex: 1;
}
.status {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 11px;
    font-weight: bold;
    margin-bottom: 12px;
    color: var(--blanco);
}
.estado-abierta, .status.estado-abierta { background: var(--verde); }
.estado-cerrada, .status.estado-cerrada { background: var(--rojo); }
.estado-evaluacion, .status.estado-evaluacion { background: var(--naranja); }
.estado-finalizada, .status.estado-finalizada { background: var(--gris); }

.card-content h3 {
    color: var(--negro);
    font-size: 1.1rem;
    margin-bottom: 12px;
    line-height: 1.4;
}
.card-content p {
    color: #666;
    font-size: 13px;
    line-height: 1.6;
    margin-bottom: 20px;
}

/* Card Buttons */
.card-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.btn {
    padding: 10px 18px;
    border: 2px solid;
    border-radius: 25px;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.btn-search {
    background: transparent;
    border-color: var(--negro);
    color: var(--negro);
}
.btn-search:hover {
    background: var(--negro);
    color: var(--blanco);
}
.btn-req {
    background: transparent;
    border-color: var(--naranja);
    color: var(--naranja);
}
.btn-req:hover {
    background: var(--naranja);
    color: var(--blanco);
}
.btn-inscripcion {
    background: var(--verde);
    border-color: var(--verde);
    color: var(--blanco);
}
.btn-inscripcion:hover {
    background: var(--verde-oscuro);
    border-color: var(--verde-oscuro);
}
.btn-results {
    background: var(--gris);
    border-color: var(--gris);
    color: var(--blanco);
}
.btn-results:hover {
    background: #7f8c8d;
    border-color: #7f8c8d;
}

/* Card Footer - 4 Boxes */
.card-footer {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid #e0e0e0;
}
.footer-box {
    padding: 15px 10px;
    text-align: center;
    border-right: 1px solid #e0e0e0;
}
.footer-box:last-child { border-right: none; }
.footer-box label {
    display: block;
    font-size: 9px;
    color: var(--gris);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 5px;
    font-weight: 600;
}
.footer-box span {
    display: block;
    font-size: 12px;
    color: var(--negro);
    font-weight: 600;
}
.footer-box span.highlight { color: var(--verde); }
.footer-box span.money { color: var(--naranja); }

/* ========== NO RESULTS ========== */
.no-results {
    text-align: center;
    padding: 60px 20px;
    color: var(--blanco);
}
.no-results i {
    font-size: 4rem;
    opacity: 0.3;
    margin-bottom: 20px;
}
.no-results h3 { margin-bottom: 10px; }
.no-results p {
    opacity: 0.7;
    margin-bottom: 20px;
}

/* ========== FOOTER ========== */
footer {
    background: var(--negro);
    color: var(--blanco);
    padding: 40px 20px 20px;
    margin-top: 30px;
}
.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}
.footer-section h4 {
    margin-bottom: 15px;
    color: var(--naranja);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.footer-section p,
.footer-section li {
    color: var(--gris);
    font-size: 13px;
    line-height: 1.8;
}
.footer-section ul { list-style: none; }
.footer-section a {
    color: var(--gris);
    text-decoration: none;
    transition: 0.3s;
}
.footer-section a:hover { color: var(--naranja); }
.footer-section p i {
    width: 20px;
    color: var(--naranja);
}
.footer-bottom {
    max-width: 1400px;
    margin: 30px auto 0;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    color: var(--gris);
    font-size: 12px;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 900px) {
    .pro-card { grid-template-columns: 1fr; }
    .card-image {
        flex-direction: row;
        min-height: auto;
    }
    .card-image img {
        width: 150px;
        height: 150px;
    }
    .card-image-placeholder {
        width: 150px;
        height: 150px;
    }
    .card-image-overlay {
        align-items: flex-start;
        text-align: left;
    }
    .card-footer { grid-template-columns: repeat(2, 1fr); }
    .footer-box:nth-child(2) { border-right: none; }
    .footer-box:nth-child(1),
    .footer-box:nth-child(2) { border-bottom: 1px solid #e0e0e0; }
}

@media (max-width: 600px) {
    .header-content { justify-content: center; }
    .search-box input { width: 180px; }
    .menu-toggle { display: block; }
    .nav-list {
        display: none;
        flex-direction: column;
    }
    .nav-list.active { display: flex; }
    .nav-list li a {
        text-align: center;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    .hero h1 { font-size: 1.5rem; }
    .hero-stats { gap: 20px; }
    .hero-stat .number { font-size: 1.8rem; }
    .card-image { flex-direction: column; }
    .card-image img {
        width: 100%;
        height: 160px;
    }
    .card-image-placeholder {
        width: 100%;
        height: 160px;
    }
    .card-buttons { justify-content: center; }
    .btn {
        padding: 8px 14px;
        font-size: 10px;
    }
    .sidebar-card { max-width: 100%; }
    .social-icons { display: none; }
}