/* =========================================================
   ESTILOS CE6RLA - RADIO CLUB DE LA ARAUCANÍA
   Diseño Moderno, Tecnológico y Amigable (Sin JS)
   ========================================================= */

:root {
    --brand-blue: #092c5a;
    --brand-blue-light: #164ea2;
    --accent-blue: #0076ff;
    --accent-green: #10b981;
    --accent-red: #e63946;
    --dark-slate: #0b132b;
    --light-bg: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-muted: #64748b;

    /* Bordes redondeados amigables */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-pill: 50px;

    /* Sombras suaves modernas */
    --shadow-soft: 0 10px 25px -5px rgba(15, 23, 42, 0.08);
    --shadow-hover: 0 20px 35px -5px rgba(15, 23, 42, 0.16);
}

/* Reseteo general */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--light-bg);
    color: var(--text-primary);
    line-height: 1.6;
}

/* ================= TOP BAR ================= */
.top-bar {
    background-color: var(--dark-slate);
    color: #ffffff;
    padding: 8px 5%;
    font-size: 0.85rem;
}

.top-bar-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.badge-live {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--accent-green);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--accent-green);
}

.social-links-top {
    display: flex;
    gap: 15px;
}

.social-icon {
    color: #a0aec0;
    width: 18px;
    height: 18px;
    display: inline-block;
    transition: color 0.3s, transform 0.3s;
}

.social-icon svg {
    fill: currentColor;
    width: 100%;
    height: 100%;
}

.social-icon:hover {
    color: var(--accent-blue);
    transform: translateY(-2px);
}

/* ================= NAVBAR ================= */
.navbar {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 5%;
}

.logo-img {
    height: 60px;
    width: auto;
    border-radius: var(--radius-sm);
    transition: transform 0.3s;
}

.logo-img:hover {
    transform: scale(1.03);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 15px;
    align-items: center;
}

.nav-btn {
    text-decoration: none;
    color: var(--brand-blue);
    font-weight: 600;
    padding: 8px 18px;
    border-radius: var(--radius-pill);
    transition: all 0.3s ease;
}

.nav-btn:hover {
    background-color: #e2e8f0;
    color: var(--brand-blue-light);
}

.btn-highlight {
    background-color: var(--brand-blue);
    color: #ffffff !important;
}

.btn-highlight:hover {
    background-color: var(--accent-blue);
    transform: translateY(-2px);
}

/* ================= HERO PORTADA ================= */
.hero {
    position: relative;
    background: url('imagenes/1763955778747.jpg') no-repeat center center/cover;
    height: 85vh;
    min-height: 550px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #ffffff;
    padding: 0 20px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(9, 44, 90, 0.9) 0%, rgba(11, 19, 43, 0.85) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.tech-pill {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.hero-content h1 {
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.callsign-badge {
    font-size: 2.5rem;
    font-weight: 900;
    color: #ffffff;
    background: linear-gradient(90deg, var(--accent-green), #34d399);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 3px;
    margin-bottom: 15px;
}

.hero-content p {
    font-size: 1.25rem;
    color: #e2e8f0;
    margin-bottom: 35px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: var(--radius-pill);
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--accent-red);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(230, 57, 70, 0.4);
}

.btn-primary:hover {
    background-color: #c92a37;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(230, 57, 70, 0.6);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn-secondary:hover {
    background-color: #ffffff;
    color: var(--brand-blue);
    transform: translateY(-3px);
}

/* ================= TECH FEATURES ================= */
.tech-features {
    margin-top: -50px;
    position: relative;
    z-index: 10;
    padding: 0 5%;
}

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

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.tech-card {
    background-color: var(--card-bg);
    padding: 30px 20px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    text-align: center;
    border: 1px solid #f1f5f9;
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.tech-icon {
    font-size: 2.2rem;
    margin-bottom: 12px;
}

/* CORREGIDO: Se actualizó de h3 a h2 para coincidir con la estructura HTML */
.tech-card h2 {
    font-size: 1.15rem;
    color: var(--brand-blue);
    margin-bottom: 8px;
}

.tech-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ================= SECCIONES COMUNES ================= */
section {
    padding: 90px 5%;
}

.seccion-clara {
    background-color: var(--light-bg);
}

.seccion-oscura {
    background-color: #edf2f7;
}

.sub-title {
    display: block;
    text-align: center;
    color: var(--accent-blue);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-size: 0.85rem;
    margin-bottom: 5px;
}

h2 {
    text-align: center;
    font-size: 2.4rem;
    color: var(--brand-blue);
    margin-bottom: 10px;
    font-weight: 800;
}

.section-desc {
    text-align: center;
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 45px;
}

/* ================= QUIÉNES SOMOS ================= */
.about-card {
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 45px;
    box-shadow: var(--shadow-soft);
    max-width: 900px;
    margin: 0 auto;
}

.about-text p {
    font-size: 1.15rem;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.about-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 25px;
}

.tag {
    background-color: #e0f2fe;
    color: #0369a1;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    font-size: 0.85rem;
}

/* ================= TARJETAS DE FRECUENCIAS Y REPETIDORES ================= */
.repeaters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    max-width: 1100px;
    margin: 0 auto;
}

.repeater-card {
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    border: 1px solid #e2e8f0;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.repeater-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.repeater-header {
    background-color: var(--brand-blue);
    color: #ffffff;
    padding: 20px;
    position: relative;
}

.repeater-header h3 {
    font-size: 1.2rem;
    margin-top: 8px;
    font-weight: 700;
}

.band-tag {
    font-size: 0.75rem;
    font-weight: 800;
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-block;
}

.band-tag.vhf {
    background-color: var(--accent-blue);
    color: #ffffff;
}

.band-tag.uhf {
    background-color: #8b5cf6;
    color: #ffffff;
}

.band-tag.direct {
    background-color: #f59e0b;
    color: #ffffff;
}

.repeater-body {
    padding: 25px 20px;
}

.freq-main {
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--brand-blue);
    text-align: center;
    margin-bottom: 20px;
    background: #f1f5f9;
    padding: 12px;
    border-radius: var(--radius-md);
    border: 2px dashed #cbd5e1;
    letter-spacing: 1px;
}

.freq-main span {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 600;
}

.repeater-details {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.95rem;
    padding-bottom: 8px;
    border-bottom: 1px solid #f1f5f9;
}

.detail-item:last-child {
    border-bottom: none;
}

.detail-item .label {
    color: var(--text-muted);
    font-weight: 500;
}

.detail-item .val {
    font-weight: 700;
    color: var(--text-primary);
}

.detail-item .val.highlight {
    color: var(--accent-red);
    background-color: #fef2f2;
    padding: 2px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid #fecaca;
}

.status-online {
    color: var(--accent-green) !important;
}

/* ================= ACTIVIDADES (GALERÍA REDONDEADA) ================= */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 25px;
}

.gallery-card {
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: transform 0.3s, box-shadow 0.3s;
}

.gallery-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.gallery-card img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    display: block;
    border-top-left-radius: var(--radius-lg);
    border-top-right-radius: var(--radius-lg);
    transition: transform 0.4s ease;
}

.gallery-card:hover img {
    transform: scale(1.04);
}

.card-caption {
    padding: 15px 20px;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--brand-blue);
    text-align: center;
}

/* ================= CONTACTO & FORMULARIO ================= */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    max-width: 1100px;
    margin: 0 auto;
}

.contact-info-card {
    background-color: var(--brand-blue);
    color: #ffffff;
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.contact-info-card h3 {
    font-size: 1.8rem;
    margin-bottom: 25px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
}

.info-icon {
    font-size: 1.5rem;
}

.info-item a {
    color: #60a5fa;
    text-decoration: none;
    font-weight: 600;
}

.info-item a:hover {
    text-decoration: underline;
}

.social-contact-block {
    margin-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 25px;
}

.social-contact-block h4 {
    font-size: 1rem;
    margin-bottom: 15px;
}

.social-links-contact {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.social-btn {
    text-decoration: none;
    color: #ffffff;
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    font-size: 0.85rem;
    font-weight: 600;
    transition: opacity 0.3s;
}

.social-btn:hover {
    opacity: 0.85;
}

.whatsapp {
    background-color: #25d366;
}

.instagram {
    background-color: #e1306c;
}

.facebook {
    background-color: #1877f2;
}

.tiktok {
    background-color: #000000;
}

.contact-form {
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--brand-blue);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(0, 118, 255, 0.15);
}

.btn-block {
    width: 100%;
}

/* ================= FOOTER ================= */
footer {
    background-color: var(--dark-slate);
    color: #ffffff;
    padding: 50px 5% 30px 5%;
    text-align: center;
}

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

.footer-brand {
    margin-bottom: 25px;
}

.footer-logo-img {
    height: 55px;
    border-radius: var(--radius-sm);
    background: #ffffff;
    padding: 4px;
    margin-bottom: 10px;
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 25px;
}

.footer-icon {
    color: #94a3b8;
    width: 22px;
    height: 22px;
    transition: color 0.3s, transform 0.3s;
}

.footer-icon svg {
    fill: currentColor;
    width: 100%;
    height: 100%;
}

.footer-icon:hover {
    color: var(--accent-green);
    transform: translateY(-3px);
}

.copyright {
    color: #64748b;
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.seventy-three {
    color: var(--accent-green);
    font-weight: 700;
    letter-spacing: 1px;
}

/* ================= ADAPTABILIDAD MÓVIL ================= */
@media (max-width: 868px) {
    .navbar {
        flex-direction: column;
        gap: 12px;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-content h1 {
        font-size: 2.3rem;
    }

    .callsign-badge {
        font-size: 1.8rem;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

/* Estilos adicionales para etiquetas de estado e información de frecuencias */
.location-tag {
    display: block;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 4px;
}

.status-offline {
    color: var(--accent-red) !important;
    font-weight: 800;
}

.repeater-header-offline {
    background-color: #334155;
}

.freq-offline {
    background-color: #fef2f2;
    border-color: #fca5a5;
    color: #991b1b;
}

.highlight-blue {
    color: var(--accent-blue);
    background-color: #eff6ff;
    padding: 2px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid #bfdbfe;
    font-weight: 700;
}

/* ================= CONTADOR DE VISITAS ================= */
.visitor-counter {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: 20px 0;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-pill);
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.counter-label {
    color: #94a3b8;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.visitor-counter img {
    display: block;
    height: auto;
}