body, html {
    font-family: 'Montserrat', sans-serif;
}

:root {
    --main-ev-color: #000AFF;
    --main-bg-color: #1D1D1B;
    --gray-color: #9F9F9F;
}

.nav-link {
    min-width: 100px;
    display: flex;
    justify-content: center;
}

.navbar-nav .nav-link.active, .navbar-nav .nav-link.show {
    color: var(--main-ev-color);
    font-weight: 500;
    border-bottom: #EFEF01 2px solid;
}

.bg-black {
    --bs-bg-opacity: 1;
    background-color: #000000 !important;
}

.btn-red {
    color: #13110C;
    border-color: black;
}

.btn:hover {
    color: white;
    background-color: #444444;
    border-color: black;
}

.hero-image {
    background-image: url(../img/banner-mobile.png);
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
    padding: 160px 0 80px 0;
    min-height: 500px;
}

.hero-days {
    font-size: 20px;
    font-weight: 700;
    line-height: 24px;
    letter-spacing: 0;
    text-align: center;

}

.hero-month {
    font-size: 20px;
    font-weight: 300;
    line-height: 24px;
    letter-spacing: 0;
    text-align: center;

}

.border-l {
    border-left: none;
}

.hero-data {
    padding: 14px 20px;
}

.hero-lugar {
    font-size: 16px;
    line-height: 17px;
    text-align: center;
}

#infographic {
    padding: 60px 0;
    background-color: #F5F5F5;
}

.info-icon {
    text-align: center;
    margin-bottom: 16px;
}

.info-graph-title {
    font-size: 24px;
    font-weight: bold;
    line-height: 23px;
    letter-spacing: 0;
    color: var(--main-ev-color);
}

.info-graph-subtitle {
    font-size: 16px;
    font-weight: 400;
    line-height: 16px;
    letter-spacing: -0.01em;
    color: #13110C;
    margin-top: 4px;
}

#intro {
    padding: 20px 0 70px 0;
    background-color: white;
    color: black;
}

H1 {
    font-size: 36px;
    font-weight: 700;
    line-height: 44px;
    text-align: left;
    margin: 12px 0 20px 0;
}

.content {
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
    letter-spacing: 0;
    text-align: justify;
}

#registro {
    padding: 70px 0;
    background-color: #141414;
    color: white;
}

#registro .color-red {
    color: var(--main-ev-color);
}

.requisito {
    font-size: 16px;
    font-weight: bold;
    line-height: 18px;
    letter-spacing: 0;
    color: #FFFFFF;
    background-color: var(--main-bg-color);
    padding: 16px;
    border-radius: 8px;
}

.program-badge {
    width: 42px;
    height: 42px;
    min-width: 42px;
    border-radius: 50%;
    background: #b3b3b3;
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    text-transform: lowercase;
}

.code {
    color: var(--main-ev-color);
    font-weight: bold;
}

.curso {
    margin: 8px 0;
    padding: 20px;
    border-radius: 8px;
}

.curso:hover {
    background-color: #FFFFFF;
}

.title {
    font-size: 20px;
    line-height: 24px;
    font-weight: 500;
    color: #ffffff;
}

.professor {
    font-size: 18px;
    color: #878787;
    margin-top: 4px;
}

.curso:hover .title {
    color: var(--main-ev-color);
}

.curso:hover .professor {
    color: #000000;
}

.curso:hover .schedule-circle {
    background-color: #FFFFFF !important;
}

.curso:hover .code {
    color: var(--main-ev-color);

}

.modal-title {
    color: var(--main-ev-color);
}

.modal-body {
    padding: 28px;
    text-align: justify;
}

#talks {
    padding: 30px 30px;
    background-color: #EFEFEF;
}

#cursos-platicas {
    padding: 70px 0;
    background-color: #EFEFEF;
}

#cursos-platicas h1 {
    color: black;
}

#schedule {
    padding: 70px 0;
    background-color: #000000;
}

#schedule h1 {
    color: #FFFFFF;
}

.schedule-time {
    padding: 4px 16px;
    color: #878787;
    min-width: 140px;
}

.schedule-event {
    border-bottom: 1px solid #ffa0a0;
    padding: 16px 0;
}

.schedule-talk {
    padding: 4px 16px;
}

.schedule-title {
    font-size: 18px;
    font-weight: bold;
    line-height: 20px;
    margin-bottom: 8px;
    color: black;
}

.schedule-professor {
    color: #878787;
}

.schedule-talk:hover .schedule-time {
    color: #01ECFF;
}

.schedule-talk:hover .schedule-title {
    color: var(--main-ev-color);
}

.schedule-talk:hover .schedule-professor {
    color: black;
}

#program {
    padding: 70px 0;
    background-color: #F4F4F4;
    color: #1D1D1B;
}

.nav-tabs .nav-item.show .nav-link, .nav-tabs .nav-link.active {
    color: white;
    font-weight: bold;
    background-color: black;
    border-color: black;
}

.nav-tabs .nav-link:focus, .nav-tabs .nav-link:hover {
    isolation: isolate;
    border-color:  black;
}

.nav-link:focus, .nav-link:hover {
    color: #FAE905;
}

.nav-tabs .nav-link {
    padding: 12px 48px;
}

#comites {
    padding: 70px 0;
    background-color: #FFFFFF;
}

li {
    color:#c7c7c7;
}

.dudas {
    font-size: 38px;
    font-weight: bold;
    text-align: center;
    color: var(--main-ev-color);
}

.lista-organizador {
    font-size: 20px;
    gap: 0;
}

.organizador {
    padding: 0 14px;
 }

.contacto-container {
    padding: 20px 0 0 0;
    background-color: #FFFFFF;
}

.contacto-title {
    font-size: 24px;
    font-weight: bold;
    color: #13110C;
    text-align: center;
}

.contacto-content {
    font-size: 18px;
    color: black;
    text-align: center;
}


#pccm {
    background-image: url(../img/pccm-bg.png);
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
    padding: 120px 0 120px 0;
    min-height: 500px;
    color: white;
}

.pccm-subtitle {
    font-size: 24px;
    font-weight: 300;
    color: #4C7FFF;
    text-transform: uppercase;
}

#footer {
    padding: 40px 0;
    background-color: #FFFFFF;
}

.cyan {
    color: #01ECFF;
}

.cyan-dark {
    color: #096B68;
}

.white {
    color: white;
}

.sponsor {
    margin-bottom: 4rem;
}

.copyright {
    color: #333333;
    font-size: 14px;
    padding: 2px;
}

.gallery-item {
    width: 100%;
    overflow: hidden;
}

.gallery-top {
    height: 350px;
}

.gallery-bottom {
    height: 420px;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.program-title {
    font-size: 2.4rem;
}

.program-item {
    margin-bottom: 1rem;
}

.program-badge {
    margin-right: .8rem;
}

.program-item.active {
    min-width: 100%;
    border-radius: 1.2rem;
}

.schedule-section {
    background: #f3f3f3;
}

.schedule-title {
    font-size: 3.2rem;
    font-weight: 800;
    color: #000;
}

/* Pills */
.schedule-pills {
    gap: 0.75rem;
}

.schedule-pills .nav-link {
    border: 1.5px solid #9c9c9c;
    border-radius: 999px;
    background: transparent;
    color: #8b8b8b;
    padding: 0.75rem 1.6rem;
    line-height: 1;
    min-width: 110px;
    text-align: center;
}

.schedule-pills .nav-link.active,
.schedule-pills .show > .nav-link {
    background: #1f2cff;
    border-color: #1f2cff;
    color: #fff;
}

.download-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 220px;
    padding: 0.8rem 1.6rem;
    border-radius: 999px;
    background: #000;
    color: #fff;
    text-decoration: none;
    border: 1.5px solid #000;
}

/* Timeline */
.schedule-list {
    --time-col: 122px;
    --connector-col: 64px;
    position: relative;
    max-width: 980px;
}

/* One vertical line for the whole timeline */
.schedule-list::before {
    content: "";
    position: absolute;
    top: 15px;
    bottom: 15px;
    left: calc(var(--time-col) + (var(--connector-col) / 2));
    width: 2px;
    background: #2337ff;
    transform: translateX(-50%);
    z-index: 0;
}

.schedule-row {
    display: grid;
    grid-template-columns: var(--time-col) var(--connector-col) 1fr;
    align-items: center;
    column-gap: 1rem;
    margin-bottom: 1rem;
    position: relative;
}

.schedule-time {
    text-align: right;
    padding-right: 1.6rem;
    font-weight: 800;
    font-size: 1rem;
    color: #111;
}

.schedule-connector {
    position: relative;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

/* Short horizontal line centered inside connector column */
.schedule-line {
    position: relative;
    width: 44px;
    height: 2px;
    background: #2337ff;
}

.schedule-line::before,
.schedule-line::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: #2337ff;
    transform: translateY(-50%);
}

.schedule-line::before {
    left: -5px;
}

.schedule-line::after {
    right: -5px;
}

.schedule-content {
    font-size: 1.05rem;
    line-height: 1.1;
    color: #111;
}

.schedule-content strong {
    font-weight: 800;
}

@media (min-width: 768px) {

    .navbar-nav {
        min-height: 100px;
    }

    .custom-navbar {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        background: transparent !important;
        z-index: 10;
        padding-top: 1rem;
        padding-bottom: 1rem;
    }

    .custom-navbar .nav-link,
    .custom-navbar .navbar-brand {
        color: white !important;
    }

    .custom-navbar .nav-link:hover {
        color: #f8d44c !important;
        font-weight: bold;
    }

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

    .navbar-toggler-icon {
        filter: brightness(0) invert(1);
    }

    .hero-image {
        background-image: url(../img/banner-header.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-color: #f5f5f5;
        /*position: relative;*/
        padding: 80px 0 40px 0;
        min-height: clamp(320px, 70vh, 900px);
        width: 100%;

    }

    .hero-days {
        font-size: 45px;
        font-weight: 700;
        line-height: 55px;
        letter-spacing: 0;
        text-align: center;
    }

    .hero-month {
        font-size: 30px;
        font-weight: 300;
        line-height: 37px;
        letter-spacing: 0;
        text-align: center;
    }

    .border-l {
        border-left: none;
    }


    .hero-data {
        padding: 0 20px;
    }

    .hero-lugar {
        font-size: 22px;
        font-weight: 700;
        line-height: 27px;
        letter-spacing: 0;
        text-align: left;

    }

    .border-l {
        border-left: 4px solid #01ECFF;
    }

    .content {
        font-size: 18px;
        font-weight: 400;
        line-height: 24px;
        letter-spacing: 0;
    }

    .gallery-top, .gallery-bottom {
        height: 240px;
    }

    .program-section {
        background: #f3f3f3;
    }

    .program-title {
        font-size: 3rem;
        font-weight: 800;
        color: #000;
    }

    .program-list {
        display: flex;
        flex-direction: column;
        gap: 1.25rem;
    }

    .program-item {
        gap: 0.9rem;
    }

    .program-text h5 {
        font-size: 1.05rem;
        font-weight: 800;
        line-height: 1.05;
        color: #111;
    }

    .program-text p {
        font-size: 0.95rem;
        color: #7a7a7a;
        line-height: 1.1;
    }

    /* Active item */
    .program-item.active {
        background: #1f28ff;
        color: #fff;
        border-radius: 999px;
        padding: 0.55rem 1.1rem;
        width: fit-content;
        min-width: 320px;
    }

    .program-item.active .program-badge {
        background: transparent;
        color: #fff;
    }

    .program-item.active .program-text h5,
    .program-item.active .program-text p {
        color: #fff;
    }

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

    .schedule-row {
        grid-template-columns: 110px 55px 1fr;
    }

    .schedule-row:not(:last-child)::after {
        left: 137px;
    }

    .organizador + .organizador {
        border-left: 3px solid #e74c3c;
    }
}