@import url('https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,100;0,300;0,400;0,700;0,900;1,100;1,300;1,400;1,700;1,900&display=swap');

:root {
    --azul-oscuro: #061325;
    --azul-noche: #0b1f3a;
    --azul-medio: #1d4ed8;
    --azul-mariana: #27509b;
    --azul-claro: #009ada;
    --cyan-neon: #00f0ff;
    --verde-acento: #10b981;
    --verde-neon: #84cc16;
    --naranja-acento: #f97316;
    --amarillo-dorado: #eab308;
    --blanco: #ffffff;
    --gris-fondo: #f8fafc;
    --gris-borde: #e2e8f0;
    --texto-oscuro: #0f172a;
    --texto-suave: #475569;
    --texto-mutado: #94a3b8;
    --fuente-principal: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --transition: all 0.35s cubic-bezier(0.165, 0.84, 0.44, 1);
    --glass-bg: rgba(6, 19, 37, 0.85);
    --card-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.08);
    --card-shadow-hover: 0 20px 40px -5px rgba(0, 154, 218, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

body,
button,
input,
select,
textarea {
    font-family: var(--fuente-principal);
}

body {
    background-color: var(--gris-fondo);
    color: var(--texto-oscuro);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--fuente-principal);
}

a {
    text-decoration: none !important;
    transition: var(--transition);
}

section[id] {
    scroll-margin-top: 90px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ======================================================
   HEADER & NAVEGACIÓN (GLASSMORPHISM)
   ====================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 6%;
    background: transparent;
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    padding: 12px 6%;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-container img {
    height: 58px;
    transition: var(--transition);
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.2));
}

.header.scrolled .logo-container img {
    height: 46px;
}

.header-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(0, 154, 218, 0.2);
    border: 1px solid rgba(0, 154, 218, 0.4);
    color: #e0f2fe;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 50px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 4px;
    background: rgba(255, 255, 255, 0.06);
    padding: 6px;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(8px);
}

.nav-item a {
    color: var(--blanco);
    font-weight: 500;
    font-size: 0.85rem;
    padding: 8px 16px;
    border-radius: 50px;
    display: block;
    letter-spacing: 0.3px;
    transition: var(--transition);
}

.nav-item a:hover,
.nav-item a.active {
    background: var(--azul-claro);
    color: var(--blanco) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(0, 154, 218, 0.4);
}

.mobile-menu-icon {
    display: none;
    font-size: 1.7rem;
    color: var(--blanco);
    padding: 8px;
    cursor: pointer;
    transition: var(--transition);
}

/* ======================================================
   HERO / BANNER PRINCIPAL
   ====================================================== */
.hero-section {
    position: relative;
    min-height: 100vh;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    color: var(--blanco);
    padding: clamp(80px, 9vh, 105px) 20px clamp(24px, 3vh, 35px) 20px;
    background-color: #030e22;
    background-image:
        linear-gradient(90deg, rgba(3, 14, 34, 0.95) 0%, rgba(3, 14, 34, 0.88) 45%, rgba(3, 14, 34, 0.35) 75%, rgba(3, 14, 34, 0.55) 100%),
        url('images/recursos/img-06.png');
    background-repeat: no-repeat;
    background-position: center right;
    background-size: cover;
    box-sizing: border-box;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 82% 38%, rgba(0, 229, 255, 0.12) 0%, transparent 45%),
        linear-gradient(180deg, rgba(3, 14, 34, 0.3) 0%, transparent 60%, rgba(3, 14, 34, 0.9) 100%);
    pointer-events: none;
    z-index: 1;
}

.hero-cyber-glow {
    position: absolute;
    top: 25%;
    right: 12%;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(0, 229, 255, 0.18) 0%, rgba(132, 204, 22, 0.08) 50%, transparent 70%);
    filter: blur(55px);
    pointer-events: none;
    z-index: 1;
    animation: heroPulseGlow 6s ease-in-out infinite alternate;
}

@keyframes heroPulseGlow {
    0% {
        transform: scale(0.92);
        opacity: 0.5;
    }

    100% {
        transform: scale(1.15);
        opacity: 0.95;
    }
}

.hero-container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1300px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.hero-main-layout {
    display: flex;
    justify-content: flex-start;
    width: 100%;
    margin-bottom: 0;
}

.hero-text-block {
    max-width: 580px;
    width: 100%;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: fadeInUp 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-pill-top {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 229, 255, 0.12);
    border: 1px solid rgba(0, 229, 255, 0.45);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 800;
    color: #38bdf8;
    letter-spacing: 1.6px;
    text-transform: uppercase;
    margin-bottom: 12px;
    box-shadow: 0 0 20px rgba(0, 229, 255, 0.25);
    backdrop-filter: blur(8px);
}

.hero-pill-top i {
    color: var(--cyan-neon);
    animation: rotateSlow 15s linear infinite;
}

@keyframes rotateSlow {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* Imagen Principal Oficial del Título (img-07.png) */
.hero-brand-img {
    display: block;
    width: 100%;
    max-width: clamp(280px, 38vw, 560px);
    height: auto;
    object-fit: contain;
    margin: 0 auto 12px auto;
    filter: drop-shadow(0 4px 20px rgba(0, 0, 0, 0.75));
    transition: transform 0.3s ease, filter 0.3s ease;
}

.hero-brand-img:hover {
    transform: scale(1.015);
    filter: drop-shadow(0 6px 25px rgba(0, 229, 255, 0.35));
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.hero-concept {
    font-size: 1.25rem;
    font-weight: 300;
    font-style: italic;
    color: #e2e8f0;
    line-height: 1.5;
    margin-bottom: 25px;
    max-width: 680px;
    border-left: 3px solid #00e5ff;
    padding-left: 16px;
    background: rgba(0, 229, 255, 0.04);
    border-radius: 0 8px 8px 0;
    padding-top: 6px;
    padding-bottom: 6px;
}

/* Fechas destacadas idénticas al banner */
.hero-date-highlight {
    display: inline-flex;
    align-items: center;
    gap: 20px;
    background: rgba(3, 18, 42, 0.8);
    border: 1px solid rgba(0, 229, 255, 0.4);
    border-radius: 16px;
    padding: 12px 24px;
    margin-bottom: 22px;
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.hero-date-numbers {
    display: flex;
    align-items: center;
    gap: 8px;
}

.date-num {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.8rem;
    font-weight: 900;
    color: #ffffff;
    line-height: 1;
}

.date-sep {
    font-size: 2.2rem;
    font-weight: 300;
    color: #00e5ff;
    opacity: 0.9;
    margin: 0 2px;
}

.hero-date-text {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.date-month {
    font-family: 'Outfit', sans-serif;
    font-size: 1.35rem;
    font-weight: 800;
    color: #00e5ff;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    line-height: 1.2;
}

.date-venue {
    font-size: 0.85rem;
    color: #94a3b8;
    margin-top: 3px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.date-venue i {
    color: #38bdf8;
}

/* Insignias informativas */
.hero-badges-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin: 0 auto 14px auto;
    width: 100%;
    max-width: 560px;
}

.hero-badge-tag {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.14);
    padding: 5px 13px;
    border-radius: 30px;
    font-size: 0.78rem;
    font-weight: 600;
    color: #f1f5f9;
    backdrop-filter: blur(8px);
    transition: all 0.3s ease;
}

.hero-badge-tag:hover {
    background: rgba(0, 229, 255, 0.15);
    border-color: #00e5ff;
    transform: translateY(-2px);
}

.hero-badge-tag i {
    color: #00e5ff;
    font-size: 0.9rem;
}

/* Botones de acción CTA en Hero */
.hero-action-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
}

.hero-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #0284c7 0%, #0d9488 100%);
    color: #ffffff;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 800;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    box-shadow: 0 10px 25px rgba(13, 148, 136, 0.35);
    transition: all 0.3s ease;
    border: 1px solid rgba(56, 189, 248, 0.4);
    text-decoration: none;
}

.hero-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 30px rgba(0, 229, 255, 0.45);
    filter: brightness(1.1);
    color: #ffffff;
}

.hero-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.22);
    color: #ffffff;
    padding: 14px 24px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.88rem;
    letter-spacing: 0.5px;
    backdrop-filter: blur(8px);
    transition: all 0.3s ease;
    text-decoration: none;
}

.hero-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.16);
    border-color: #00e5ff;
    transform: translateY(-3px);
    color: #ffffff;
}

.hero-btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #25d366;
    color: #ffffff;
    padding: 14px 22px;
    border-radius: 50px;
    font-weight: 800;
    font-size: 0.88rem;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.3);
    transition: all 0.3s ease;
    text-decoration: none;
}

.hero-btn-whatsapp:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 30px rgba(37, 211, 102, 0.5);
    filter: brightness(1.08);
    color: #ffffff;
}

/* Cuenta Regresiva Integrada en el Bloque Izquierdo (Compacta y Centrada) */
.hero-countdown-inline {
    background: rgba(3, 16, 38, 0.85);
    border: 1px solid rgba(0, 229, 255, 0.35);
    border-radius: 14px;
    padding: 10px 14px;
    margin: 0 auto 14px auto;
    backdrop-filter: blur(14px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    width: 100%;
    max-width: 420px;
    box-sizing: border-box;
}

.countdown-inline-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    margin-bottom: 8px;
}

.live-indicator-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 10px #22c55e;
    animation: pulseDot 2s infinite;
}

@keyframes pulseDot {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.4;
        transform: scale(0.85);
    }
}

.countdown-inline-title {
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: #94a3b8;
}

.countdown-inline-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    width: 100%;
}

.time-segment-inline {
    background: rgba(2, 10, 24, 0.92);
    border: 1px solid rgba(0, 229, 255, 0.28);
    border-radius: 9px;
    padding: 8px 3px;
    width: 100%;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.35);
    box-sizing: border-box;
}

.time-segment-inline:hover {
    transform: translateY(-2px);
    border-color: #00e5ff;
    box-shadow: 0 4px 16px rgba(0, 229, 255, 0.35);
}

.time-val-inline {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.4rem;
    font-weight: 900;
    color: #ffffff;
    line-height: 1;
    text-shadow: 0 0 10px rgba(0, 229, 255, 0.45);
}

.time-lbl-inline {
    font-size: 0.55rem;
    font-weight: 800;
    color: #38bdf8;
    letter-spacing: 0.9px;
    margin-top: 3px;
    text-transform: uppercase;
    text-align: center;
}


/* Franja Oficial de Logotipos (img-08 e img-09) */
.hero-official-logos-strip {
    width: 100%;
    background: rgba(3, 14, 34, 0.88);
    border: 1px solid rgba(0, 229, 255, 0.25);
    border-radius: 16px;
    padding: 16px 26px;
    backdrop-filter: blur(14px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.45);
    animation: fadeInUp 1.1s ease;
    box-sizing: border-box;
}

.logos-strip-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.strip-section {
    display: flex;
    flex-direction: column;
}

.strip-organizers {
    flex: 1.35;
}

.strip-allies {
    flex: 1;
}

.strip-label {
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 1.4px;
    text-transform: uppercase;
    color: #7dd3fc;
    margin-bottom: 8px;
    display: block;
}

.strip-img-wrapper {
    display: flex;
    align-items: center;
}

.official-strip-img {
    width: auto;
    max-width: 100%;
    object-fit: contain;
    filter: brightness(1) drop-shadow(0 2px 8px rgba(0, 0, 0, 0.5));
    transition: transform 0.3s ease, filter 0.3s ease;
}

.official-strip-img:hover {
    transform: scale(1.02);
    filter: brightness(1.15) drop-shadow(0 4px 15px rgba(0, 229, 255, 0.35));
}

.orgs-logos {
    max-height: clamp(55px, 5.8vw, 82px);
}

.allies-logos {
    max-height: clamp(44px, 4.5vw, 64px);
}

.strip-divider {
    width: 1px;
    height: 72px;
    background: rgba(0, 229, 255, 0.25);
    flex-shrink: 0;
}

/* ======================================================
   BOTONES DESTACADOS (CTA BAR)
   ====================================================== */
.cta-section {
    padding: 40px 20px;
    background: #ffffff;
    border-bottom: 1px solid var(--gris-borde);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.cta-container {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 1200px;
    margin: 0 auto;
}

.cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 26px;
    border-radius: 50px;
    color: white;
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    transition: all 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    flex: 1;
    min-width: 270px;
    max-width: 360px;
    text-align: center;
}

.btn-inscribe {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.35);
}

.btn-turismo {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    box-shadow: 0 10px 25px rgba(249, 115, 22, 0.35);
}

.btn-whatsapp-cta {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    box-shadow: 0 10px 25px rgba(34, 197, 94, 0.35);
}

.cta-btn:hover {
    transform: translateY(-5px) scale(1.02);
    filter: brightness(1.08);
}

.cta-btn i {
    font-size: 1.3rem;
    transition: transform 0.3s ease;
}

.cta-btn:hover i {
    transform: scale(1.18) rotate(6deg);
}

/* ======================================================
   PRESENTACIÓN DEL EVENTO
   ====================================================== */
.presentacion-section {
    padding: 90px 6%;
    background: #ffffff;
    color: var(--texto-oscuro);
}

.section-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 25px;
}

.accent-line {
    width: 50px;
    height: 4px;
    background: var(--azul-mariana);
    border-radius: 2px;
}

.subtitle {
    color: var(--azul-mariana);
    font-weight: 800;
    letter-spacing: 3px;
    font-size: 1rem;
    text-transform: uppercase;
}

.main-quote {
    margin-bottom: 45px;
}

.main-quote p {
    font-size: 2.2rem;
    font-weight: 300;
    color: #1e293b;
    font-style: italic;
    line-height: 1.35;
    border-left: 4px solid var(--azul-claro);
    padding-left: 24px;
}

.details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.detail-column p {
    font-size: 1.05rem;
    color: var(--texto-suave);
    text-align: justify;
    font-weight: 400;
    line-height: 1.7;
}

.detail-column strong {
    color: var(--azul-mariana);
    font-weight: 600;
}

.highlight-box {
    margin-top: 25px;
    padding: 20px;
    background: #f0fdf4;
    border-left: 4px solid var(--verde-acento);
    border-radius: 8px;
    font-size: 0.95rem;
    color: #166534;
}

/* ======================================================
   INSTITUCIONES ORGANIZADORAS
   ====================================================== */
.instituciones-section {
    padding: 80px 6%;
    background: #f1f5f9;
}

.instituciones-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 40px auto 0 auto;
}

.institucion-card {
    background: #ffffff;
    border-radius: 24px;
    padding: 35px 25px;
    text-align: center;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--gris-borde);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.institucion-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, var(--azul-mariana), var(--azul-claro));
}

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

.inst-logo-wrap {
    width: 100%;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    padding: 12px;
    border-radius: 18px;
    background: #ffffff;
    border: 1px solid var(--gris-borde);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
    transition: var(--transition);
}

.institucion-card:hover .inst-logo-wrap {
    border-color: var(--azul-claro);
    box-shadow: 0 8px 25px rgba(0, 154, 218, 0.15);
}

.inst-logo-img {
    max-height: 110px;
    max-width: 190px;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: transform 0.4s cubic-bezier(0.2, 1, 0.3, 1);
    display: block;
}

.institucion-card:hover .inst-logo-img {
    transform: scale(1.06);
}

.inst-icon-wrap {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: #e0f2fe;
    color: var(--azul-mariana);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 20px;
    transition: var(--transition);
}

.institucion-card:hover .inst-icon-wrap {
    background: var(--azul-mariana);
    color: white;
    transform: scale(1.1);
}

.inst-role-badge {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 4px 14px;
    border-radius: 50px;
    margin-bottom: 12px;
}

.role-principal {
    background: #dbeafe;
    color: #1e40af;
}

.role-coorganizadora {
    background: #dcfce7;
    color: #166534;
}

.role-internacional {
    background: #fef3c7;
    color: #92400e;
}

.institucion-card h3 {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--texto-oscuro);
    margin-bottom: 8px;
    line-height: 1.3;
}

.institucion-card p.location {
    font-size: 0.88rem;
    color: var(--texto-mutado);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ======================================================
   EJES TEMÁTICOS (DARK HIGH-TECH)
   ====================================================== */
.ejes-section {
    padding: 100px 6%;
    background: radial-gradient(circle at top, #0c1a30 0%, #030812 100%);
    color: white;
    position: relative;
}

.ejes-title {
    text-align: center;
    margin-bottom: 60px;
}

.ejes-title h2 {
    font-size: 2.8rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
}

.ejes-title h2 span {
    color: var(--azul-claro);
    font-style: italic;
    font-weight: 400;
}

.ejes-title p {
    color: #94a3b8;
    font-size: 1.05rem;
    max-width: 750px;
    margin: 0 auto;
}

.ejes-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    max-width: 1200px;
    margin: 0 auto;
}

.ejes-grid .eje-card:last-child:nth-child(odd) {
    grid-column: 1 / -1;
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

.eje-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 35px;
    display: flex;
    gap: 22px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.eje-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--azul-claro);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 154, 218, 0.15);
}

.eje-icon {
    background: rgba(0, 154, 218, 0.12);
    border: 1px solid rgba(0, 154, 218, 0.3);
    width: 64px;
    height: 64px;
    min-width: 64px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--azul-claro);
    transition: 0.4s;
}

.eje-card:hover .eje-icon {
    background: var(--azul-claro);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(0, 154, 218, 0.5);
}

.eje-tag {
    color: var(--cyan-neon);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    display: block;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.eje-info h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.3;
    color: #ffffff;
}

.eje-info p {
    font-size: 0.92rem;
    color: #cbd5e1;
    font-weight: 300;
    line-height: 1.6;
}

/* ======================================================
   CONFERENCISTAS / PONENTES CONFIRMADOS
   ====================================================== */
.ponentes-section {
    padding: 100px 6%;
    background: #f8fafc;
}

.section-main-title {
    text-align: center;
    font-size: 2.6rem;
    font-weight: 800;
    margin-bottom: 15px;
    color: var(--azul-mariana);
}

.section-main-title span {
    color: var(--azul-claro);
    font-weight: 400;
    font-style: italic;
}

.section-subtitle-center {
    text-align: center;
    color: var(--texto-suave);
    max-width: 700px;
    margin: 0 auto 50px auto;
    font-size: 1rem;
}

.ponentes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 420px));
    gap: 35px;
    justify-content: center;
    max-width: 1000px;
    margin: 0 auto;
}

.ponente-card {
    background: white;
    border-radius: 30px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--card-shadow);
    transition: all 0.4s cubic-bezier(0.2, 1, 0.3, 1);
    cursor: pointer;
    border: 1px solid var(--gris-borde);
}

.ponente-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 45px rgba(39, 80, 155, 0.15);
    border-color: var(--azul-claro);
}

.ponente-img-container {
    position: relative;
    height: 290px;
    background: linear-gradient(180deg, #ffffff 0%, #f1f5f9 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-bottom: 1px solid var(--gris-borde);
}

.ponente-img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    transition: transform 0.5s cubic-bezier(0.2, 1, 0.3, 1);
    display: block;
}

.ponente-card:hover .ponente-img-container img {
    transform: scale(1.06);
}

.ponente-avatar-placeholder {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    background: rgba(39, 80, 155, 0.1);
    border: 4px solid var(--azul-claro);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--azul-mariana);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.ponente-card:hover .ponente-avatar-placeholder {
    transform: scale(1.08);
    border-color: var(--azul-claro);
}

.badge-country {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    color: white;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    gap: 6px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.badge-role {
    position: absolute;
    bottom: 18px;
    left: 20px;
    padding: 5px 14px;
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 700;
    color: white;
    background: var(--azul-mariana);
    letter-spacing: 0.5px;
}

.ponente-info {
    padding: 30px 26px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.ponente-info h3 {
    font-size: 1.4rem;
    color: var(--texto-oscuro);
    margin-bottom: 6px;
    font-weight: 800;
}

.company {
    color: var(--azul-mariana);
    font-weight: 700;
    font-size: 0.85rem;
    display: block;
    margin-bottom: 15px;
}

.ponente-email {
    font-size: 0.82rem;
    color: var(--texto-mutado);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ponente-talk {
    background: #f1f5f9;
    border-radius: 14px;
    padding: 14px;
    margin-bottom: 20px;
    font-size: 0.88rem;
    color: #334155;
    flex-grow: 1;
}

.talk-label {
    font-size: 0.7rem;
    font-weight: 800;
    color: var(--azul-mariana);
    letter-spacing: 1px;
    text-transform: uppercase;
    display: block;
    margin-bottom: 4px;
}

.btn-perfil {
    background: none;
    border: 1.5px solid var(--azul-mariana);
    padding: 10px 22px;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--azul-mariana);
    transition: var(--transition);
    cursor: pointer;
    align-self: flex-start;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ponente-card:hover .btn-perfil {
    background: var(--azul-mariana);
    color: white;
    box-shadow: 0 4px 15px rgba(39, 80, 155, 0.3);
}

/* Modal de Ponente */
.modal {
    display: none;
    position: fixed;
    z-index: 3000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(4, 13, 27, 0.85);
    backdrop-filter: blur(8px);
}

.modal-content {
    background: white;
    margin: 5% auto;
    width: 90%;
    max-width: 700px;
    border-radius: 30px;
    padding: 40px;
    position: relative;
    animation: zoomIn 0.3s ease;
    max-height: 85vh;
    overflow-y: auto;
}

@keyframes zoomIn {
    from {
        transform: scale(0.92);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

.close-modal {
    position: absolute;
    right: 25px;
    top: 20px;
    font-size: 2.2rem;
    cursor: pointer;
    color: #64748b;
    transition: var(--transition);
}

.close-modal:hover {
    color: var(--texto-oscuro);
    transform: rotate(90deg);
}

/* ======================================================
   AGENDA Y CRONOGRAMA INTERACTIVO
   ====================================================== */
.agenda-section {
    padding: 100px 6%;
    background: #ffffff;
}

/* Day Switcher Tabs */
.agenda-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 45px;
    flex-wrap: wrap;
}

.agenda-tab-btn {
    background: #f1f5f9;
    border: 1px solid var(--gris-borde);
    padding: 14px 28px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--texto-suave);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
}

.agenda-tab-btn i {
    color: var(--azul-claro);
}

.agenda-tab-btn:hover {
    background: #e2e8f0;
    color: var(--texto-oscuro);
}

.agenda-tab-btn.active {
    background: var(--azul-mariana);
    color: white;
    border-color: var(--azul-mariana);
    box-shadow: 0 8px 20px rgba(39, 80, 155, 0.25);
}

.agenda-tab-btn.active i {
    color: var(--cyan-neon);
}

.tab-pane {
    display: none;
    animation: fadeIn 0.4s ease;
}

.tab-pane.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Agenda Day Card */
.agenda-day-card {
    background: #f8fafc;
    border: 1px solid var(--gris-borde);
    border-radius: 32px;
    padding: 40px;
    max-width: 1000px;
    margin: 0 auto;
    box-shadow: var(--card-shadow);
}

.day-header {
    display: flex;
    align-items: center;
    gap: 22px;
    margin-bottom: 35px;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 25px;
    flex-wrap: wrap;
}

.day-badge {
    background: var(--azul-mariana);
    color: white;
    padding: 12px 18px;
    border-radius: 20px;
    text-align: center;
    min-width: 80px;
    box-shadow: 0 6px 15px rgba(39, 80, 155, 0.25);
}

.day-badge.blue {
    background: #0284c7;
}

.day-badge.emerald {
    background: #059669;
}

.day-badge .month {
    display: block;
    font-size: 0.72rem;
    font-weight: 700;
    opacity: 0.85;
    letter-spacing: 1px;
}

.day-badge .number {
    font-size: 1.8rem;
    font-weight: 900;
    line-height: 1.1;
}

.day-title h3 {
    color: var(--azul-mariana);
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 4px;
}

.day-title p {
    color: var(--texto-suave);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.event-tag {
    margin-left: auto;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.tag-precongreso {
    background: #fef3c7;
    color: #92400e;
}

.tag-presencial {
    background: #dbeafe;
    color: #1e40af;
}

.tag-magistral {
    background: #ede9fe;
    color: #5b21b6;
}

/* Timeline Items */
.timeline {
    position: relative;
    padding-left: 25px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 4px;
    top: 5px;
    width: 2px;
    height: calc(100% - 15px);
    background: #cbd5e1;
}

.timeline-item {
    display: flex;
    gap: 30px;
    margin-bottom: 25px;
    position: relative;
}

.timeline-item::after {
    content: '';
    position: absolute;
    left: -25px;
    top: 6px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--azul-mariana);
    border: 3px solid #ffffff;
    box-shadow: 0 0 0 2px var(--azul-mariana);
}

.timeline-item.highlight::after {
    background: var(--verde-acento);
    box-shadow: 0 0 0 2px var(--verde-acento);
}

.timeline-item.special::after {
    background: var(--naranja-acento);
    box-shadow: 0 0 0 2px var(--naranja-acento);
}

.timeline-item .time {
    min-width: 140px;
    font-weight: 800;
    color: var(--azul-mariana);
    font-size: 0.92rem;
}

.timeline-item .event-info {
    flex-grow: 1;
}

.timeline-item .event-info h4 {
    font-size: 1.05rem;
    color: var(--texto-oscuro);
    margin-bottom: 4px;
    font-weight: 700;
}

.timeline-item .event-info p {
    font-size: 0.88rem;
    color: var(--texto-suave);
    font-style: italic;
}

.timeline-item.highlight {
    background: #ffffff;
    padding: 18px 22px;
    border-radius: 18px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
}

/* Sesiones Split (Mañana / Tarde) */
.session-divider {
    display: flex;
    align-items: center;
    gap: 15px;
    margin: 30px 0 20px -25px;
    padding: 10px 18px;
    background: #e2e8f0;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--azul-mariana);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.session-divider i {
    color: var(--azul-claro);
    font-size: 1.1rem;
}

.agenda-note {
    text-align: center;
    margin-top: 30px;
    font-size: 0.85rem;
    color: var(--texto-mutado);
    font-style: italic;
}

/* ======================================================
   INVERSIÓN Y REGISTRO (PRICING)
   ====================================================== */
.inversion-section {
    padding: 100px 6%;
    background: #07152b;
    text-align: center;
    color: white;
}

.header-inversion {
    margin-bottom: 55px;
}

.header-inversion h2 {
    color: #ffffff;
}

.header-inversion .subtitle {
    color: #94a3b8;
    font-style: italic;
    font-size: 1.05rem;
    margin-top: 10px;
    text-transform: none;
    letter-spacing: normal;
}

.pricing-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 35px;
    padding: 45px 35px;
    width: 350px;
    position: relative;
    transition: all 0.4s ease;
    display: flex;
    flex-direction: column;
}

.pricing-card.featured {
    background: linear-gradient(180deg, #0f274a 0%, #0a1c38 100%);
    border: 2px solid var(--azul-claro);
    transform: scale(1.05);
    box-shadow: 0 20px 50px rgba(0, 154, 218, 0.25);
}

.pricing-card:hover {
    transform: translateY(-12px);
    border-color: var(--azul-claro);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-12px);
}

.recommended-badge {
    position: absolute;
    top: -14px;
    right: 30px;
    background: linear-gradient(90deg, #f97316, #ea580c);
    color: white;
    padding: 6px 18px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.4);
}

.pricing-icon {
    font-size: 2.2rem;
    color: var(--azul-claro);
    margin-bottom: 20px;
}

.pricing-header h3 {
    font-size: 1.6rem;
    font-weight: 900;
    margin-bottom: 4px;
}

.pricing-header span {
    font-size: 0.8rem;
    color: #38bdf8;
    font-weight: 700;
    letter-spacing: 1px;
    display: block;
}

.price {
    margin: 25px 0;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.currency {
    font-size: 1.6rem;
    font-weight: 700;
    color: #94a3b8;
}

.amount {
    font-size: 3.5rem;
    font-weight: 900;
    color: #ffffff;
    line-height: 1;
}

.postfix {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--azul-claro);
    margin-left: 5px;
}

.benefits-list {
    list-style: none;
    padding: 0;
    margin: 0 0 35px 0;
    text-align: left;
    flex-grow: 1;
}

.benefits-list li {
    margin-bottom: 12px;
    color: #e2e8f0;
    font-size: 0.92rem;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.4;
}

.benefits-list i {
    color: var(--verde-acento);
    font-size: 1rem;
    margin-top: 3px;
}

.btn-pay {
    display: block;
    padding: 16px;
    border-radius: 50px;
    font-weight: 800;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-pay.green {
    background: #10b981;
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-pay.green:hover {
    background: #059669;
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.5);
    transform: scale(1.02);
}

.btn-pay.neon {
    background: #009ada;
    color: #ffffff;
    box-shadow: 0 4px 20px rgba(0, 154, 218, 0.4);
}

.btn-pay.neon:hover {
    background: #0284c7;
    box-shadow: 0 8px 30px rgba(0, 154, 218, 0.6);
    transform: scale(1.02);
}

/* ======================================================
   SECCIÓN GUÍA TURÍSTICA: ¿QUÉ HACER EN NARIÑO?
   ====================================================== */
.turismo-section {
    padding: 90px 6%;
    background: linear-gradient(135deg, #0c203b 0%, #051428 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.turismo-card {
    background: radial-gradient(circle at right top, rgba(249, 115, 22, 0.15) 0%, rgba(255, 255, 255, 0.03) 70%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 35px;
    padding: 50px;
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.turismo-badge {
    background: #f97316;
    color: white;
    font-size: 0.75rem;
    font-weight: 800;
    padding: 6px 16px;
    border-radius: 50px;
    display: inline-block;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 15px;
}

.turismo-content h3 {
    font-size: 2.3rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 15px;
}

.turismo-content h3 span {
    color: #fb923c;
    font-style: italic;
}

.turismo-content p {
    font-size: 1rem;
    color: #cbd5e1;
    margin-bottom: 25px;
    line-height: 1.6;
}

.turismo-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 30px;
}

.turismo-chip {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 0.82rem;
    color: #f1f5f9;
    display: flex;
    align-items: center;
    gap: 6px;
}

.btn-guia {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    color: white;
    font-weight: 800;
    font-size: 1rem;
    padding: 16px 36px;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 10px 30px rgba(249, 115, 22, 0.4);
    transition: var(--transition);
}

.btn-guia:hover {
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 15px 40px rgba(249, 115, 22, 0.6);
}

.turismo-preview-box {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 30px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.turismo-preview-icon {
    font-size: 3.5rem;
    color: #fb923c;
    margin-bottom: 15px;
}

.turismo-preview-box h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.turismo-preview-box p {
    font-size: 0.88rem;
    color: #94a3b8;
    margin-bottom: 0;
}

/* ======================================================
   FOOTER INSTITUCIONAL
   ====================================================== */
.main-footer {
    background: #030a16;
    color: #ffffff;
    padding: 70px 6% 0 6%;
    border-top: 4px solid var(--azul-mariana);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr 0.8fr;
    gap: 45px;
    padding-bottom: 50px;
    align-items: start;
}

.footer-logo {
    max-width: 250px;
    width: 100%;
    margin-bottom: 15px;
}

.footer-slogan {
    font-size: 0.88rem;
    color: #94a3b8;
    line-height: 1.5;
}

.footer-column h4 {
    color: var(--azul-claro);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 22px;
    position: relative;
    text-transform: uppercase;
}

.footer-column h4::after {
    content: '';
    display: block;
    width: 32px;
    height: 2px;
    background: var(--azul-claro);
    margin-top: 6px;
}

.faculty-name {
    font-weight: 700;
    color: #f1f5f9;
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
    color: #cbd5e1;
    font-size: 0.9rem;
}

.contact-item i {
    color: var(--azul-claro);
    width: 16px;
}

.contact-item a {
    color: inherit;
}

.contact-item a:hover {
    color: var(--azul-claro);
}

.footer-coorganizers-logos {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 15px;
    flex-wrap: wrap;
}

.footer-inst-logo {
    height: 48px;
    width: auto;
    max-width: 90px;
    object-fit: contain;
    background: #ffffff;
    border-radius: 8px;
    padding: 4px 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
    transition: transform 0.3s ease;
}

.footer-inst-logo:hover {
    transform: scale(1.08);
}

.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 22px;
}

.social-links a {
    color: #cbd5e1;
    font-size: 1rem;
    width: 38px;
    height: 38px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--azul-claro);
    color: white;
    transform: translateY(-3px);
    border-color: var(--azul-claro);
    box-shadow: 0 4px 15px rgba(0, 154, 218, 0.4);
}

.event-badge {
    background: rgba(0, 154, 218, 0.1);
    padding: 14px;
    border-left: 3px solid var(--azul-claro);
    border-radius: 6px;
}

.event-title {
    font-size: 0.72rem;
    color: #94a3b8;
    display: block;
    margin-bottom: 2px;
    font-weight: 700;
}

.event-hashtag {
    font-size: 1rem;
    font-weight: 800;
    color: #ffffff;
    margin: 0;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 25px 0;
}

.bottom-flex {
    display: flex;
    justify-content: space-between;
    font-size: 0.78rem;
    color: #64748b;
    letter-spacing: 0.5px;
}

/* ======================================================
   BOTÓN FLOTANTE WHATSAPP
   ====================================================== */
.whatsapp-float-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    align-items: center;
    z-index: 9999;
}

.whatsapp-btn {
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
    animation: pulse-whatsapp 2s infinite;
}

.whatsapp-btn:hover {
    background-color: #128c7e;
    transform: scale(1.1);
    color: #ffffff;
}

.whatsapp-tooltip {
    background: white;
    color: #1e293b;
    padding: 10px 18px;
    border-radius: 14px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    margin-right: 14px;
    font-size: 0.85rem;
    font-weight: 700;
    pointer-events: none;
    position: relative;
    opacity: 0;
    transform: translateX(10px);
    animation: fade-in-tooltip 1s forwards 1.5s;
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    border-top: 7px solid transparent;
    border-bottom: 7px solid transparent;
    border-left: 8px solid white;
}

@keyframes pulse-whatsapp {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }

    70% {
        box-shadow: 0 0 0 16px rgba(37, 211, 102, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

@keyframes fade-in-tooltip {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ======================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ====================================================== */
@media (max-width: 1100px) {
    .nav-menu {
        position: fixed;
        right: -100%;
        top: 0;
        flex-direction: column;
        background: var(--azul-noche);
        width: 100%;
        height: 100vh;
        justify-content: center;
        align-items: center;
        border-radius: 0;
        gap: 15px;
        transition: 0.5s cubic-bezier(0.77, 0, 0.175, 1);
        border: none;
        z-index: 1000;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-item a {
        font-size: 1.3rem;
        padding: 12px 28px;
    }

    .mobile-menu-icon {
        display: block;
        z-index: 1001;
    }

    .instituciones-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 35px;
    }

    .footer-column h4::after {
        margin: 6px auto 0 auto;
    }

    .footer-logo {
        margin: 0 auto 15px auto;
    }

    .contact-item,
    .social-links,
    .footer-coorganizers-logos {
        justify-content: center;
    }

    .bottom-flex {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .turismo-card {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 35px 25px;
    }

    .turismo-highlights {
        justify-content: center;
    }
}

@media (max-width: 1100px) {
    .hero-section {
        padding: clamp(75px, 8vh, 95px) 18px 30px 18px;
    }

    .hero-main-layout {
        justify-content: center;
    }

    .hero-text-block {
        text-align: center;
        max-width: 530px;
    }

    .hero-brand-img {
        margin: 0 auto 12px auto;
        max-width: 480px;
    }

    .hero-concept {
        margin: 0 auto 20px auto;
        border-left: none;
        border-bottom: 2px solid #00e5ff;
        padding: 10px 0;
        border-radius: 0;
    }

    .hero-date-highlight {
        justify-content: center;
    }

    .hero-badges-row {
        justify-content: center;
        margin: 0 auto 14px auto;
    }

    .hero-countdown-inline {
        margin: 0 auto 14px auto;
        max-width: 400px;
    }

    .countdown-inline-container {
        justify-content: center;
    }

    .hero-action-buttons {
        justify-content: center;
    }
}

@media (max-width: 860px) {
    .hero-brand-img {
        max-width: 420px;
    }

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

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

    .pricing-card.featured {
        transform: none;
    }

    .pricing-card.featured:hover {
        transform: translateY(-10px);
    }

    .logos-strip-inner {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .strip-img-wrapper {
        justify-content: center;
    }

    .strip-divider {
        display: none;
    }

    .orgs-logos {
        max-height: 62px;
    }

    .allies-logos {
        max-height: 50px;
    }
}

@media (max-width: 600px) {
    .hero-section {
        padding: 85px 14px 25px 14px;
        min-height: auto;
        background-position: center center;
    }

    .hero-brand-img {
        max-width: 300px;
        margin: 0 auto 10px auto;
    }

    .hero-pill-top {
        font-size: 0.72rem;
        padding: 5px 12px;
        letter-spacing: 1px;
    }

    .hero-badges-row {
        gap: 6px;
        margin-bottom: 12px;
    }

    .hero-badge-tag {
        padding: 4px 10px;
        font-size: 0.72rem;
    }

    .hero-countdown-inline {
        padding: 8px 8px;
        width: 100%;
        max-width: 100%;
        margin: 0 auto 14px auto;
    }

    .countdown-inline-container {
        gap: 5px;
    }

    .time-segment-inline {
        padding: 7px 2px;
        min-width: 0;
    }

    .time-val-inline {
        font-size: 1.2rem;
    }

    .time-lbl-inline {
        font-size: 0.5rem;
        letter-spacing: 0.6px;
    }

    .hero-official-logos-strip {
        padding: 14px 12px;
        border-radius: 14px;
    }

    .orgs-logos {
        max-height: 50px;
    }

    .allies-logos {
        max-height: 40px;
    }

    .hero-action-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-btn-primary,
    .hero-btn-secondary,
    .hero-btn-whatsapp {
        width: 100%;
        justify-content: center;
    }

    .countdown-container {
        gap: 8px;
    }

    .time-segment {
        padding: 12px 4px;
        min-width: 0;
    }

    .time-value {
        font-size: 1.65rem;
    }

    .time-label {
        font-size: 0.6rem;
    }

    .cta-btn {
        width: 100%;
        max-width: 100%;
    }

    .day-header {
        flex-direction: column;
        text-align: center;
    }

    .event-tag {
        margin-left: 0;
    }

    .timeline-item {
        flex-direction: column;
        gap: 6px;
    }

    .whatsapp-tooltip {
        display: none;
    }
}