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

html {
    scroll-behavior: smooth;
}

body {

    font-family: 'Montserrat', sans-serif;

    background:
        radial-gradient(circle at top, #ff9a00, #220900 70%);

    color: white;
    overflow-x: hidden;
}

/* GLOW CURSOR */

.cursor-glow {

    position: fixed;
    width: 350px;
    height: 350px;

    background:
        radial-gradient(circle,
            rgba(255, 180, 0, .30),
            transparent 70%);

    pointer-events: none;
    z-index: 999;

    transform: translate(-50%, -50%);
}

/* HERO */

.hero {

    height: 100vh;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 0 10%;

    position: relative;
}

.overlay {

    position: absolute;
    inset: 0;

    background:
        linear-gradient(180deg,
            transparent,
            rgba(0, 0, 0, .4));
}

nav {

    position: absolute;
    top: 0;
    left: 0;
    width: 100%;

    padding: 30px 10%;

    display: flex;
    justify-content: space-between;
    align-items: center;

    z-index: 5;
}

.logo {

    font-family: 'Anton';

    font-size: 1.8rem;
}

.nav-btn {

    padding: 14px 30px;

    background: #ff7b00;

    border-radius: 50px;

    text-decoration: none;
    color: white;

    font-weight: 800;
}

.hero-content {

    width: 50%;
    z-index: 5;
}

.hero-image {

    width: 50%;
    display: flex;
    justify-content: center;
    z-index: 5;
}

.chiva-strips-wrap {

    position: relative;
    overflow: hidden;
    /* width/height asignados por JS */

    animation: float 4s infinite ease-in-out;

    filter:
        drop-shadow(0 0 30px #ff7b00) drop-shadow(0 0 60px red);
}

.chiva-strip {

    position: absolute;
    top: 0;
    height: 100%;

    background-image: url('../img/chiva.png');
    background-repeat: no-repeat;
    background-position-y: 0;
    /* background-size y background-position-x asignados por JS */

    animation: stripDrop 3.6s cubic-bezier(.22, .61, .36, 1) infinite;
    opacity: 0;
}


.event-date {

    display: inline-block;

    background: #7d1fff;

    padding: 12px 25px;

    border-radius: 40px;

    font-weight: 800;
    margin-bottom: 25px;
}

.hero h1 {

    font-family: 'Anton';

    font-size: 9rem;

    line-height: .85;
}

.hero h1 span {

    display: block;

    background:
        linear-gradient(180deg,
            #fff2ae,
            #ffb300,
            #ff5500);

    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;

    text-shadow:
        0 0 30px rgba(255, 170, 0, .6);
}

.hero p {

    margin-top: 25px;
    max-width: 650px;

    font-size: 1.2rem;
    line-height: 1.7;
}

.hero-buttons {

    display: flex;
    gap: 20px;
    margin-top: 40px;
}

.btn-primary {

    padding: 18px 35px;

    background:
        linear-gradient(135deg,
            #ffcc00,
            #ff5500);

    border-radius: 15px;

    font-weight: 900;

    text-decoration: none;
    color: white;

    box-shadow:
        0 0 40px #ff7700;
}

.btn-secondary {

    padding: 18px 35px;

    border: 2px solid #ffb300;

    border-radius: 15px;

    text-decoration: none;
    color: white;
}

/* COUNTDOWN */

.countdown {

    padding: 120px 10%;
    text-align: center;
}

.countdown h2 {

    font-family: 'Anton';

    font-size: 6rem;

    margin-bottom: 40px;
}

.timer {

    display: flex;
    justify-content: center;
    gap: 25px;
}

.box {

    width: 180px;

    padding: 35px;

    background:
        rgba(255, 255, 255, .05);

    backdrop-filter: blur(15px);

    border-radius: 20px;

    box-shadow:
        0 0 40px rgba(255, 140, 0, .2);
}

.box span {

    font-size: 4rem;
    font-weight: 900;
    color: #ffb300;
}

/* EXPERIENCE */

.experience {

    padding: 140px 10%;
}

.experience h2 {

    font-family: 'Anton';

    font-size: 5rem;

    text-align: center;

    margin-bottom: 70px;
}

.experience-grid {

    display: grid;

    grid-template-columns:
        repeat(auto-fit, minmax(250px, 1fr));

    gap: 30px;
}

.experience-card {

    padding: 50px;

    background:
        linear-gradient(145deg,
            rgba(255, 255, 255, .08),
            rgba(255, 255, 255, .02));

    border-radius: 25px;

    text-align: center;

    font-size: 3rem;

    transition: .4s;
}

.experience-card:hover {

    transform:
        translateY(-12px) scale(1.04);

    box-shadow:
        0 0 50px rgba(255, 140, 0, .4);
}

/* TICKET */

.tickets {

    padding: 150px 10%;
}

.tickets h2 {

    font-family: 'Anton';
    font-size: 6rem;
    text-align: center;
    margin-bottom: 50px;
}

.ticket {

    background:
        linear-gradient(135deg,
            #ff9d00,
            #ff4d00);

    padding: 50px;

    border-radius: 30px;

    display: flex;
    justify-content: space-between;
    align-items: center;

    box-shadow:
        0 0 80px rgba(255, 100, 0, .5);
}

.price {

    font-size: 5rem;
    font-weight: 900;
}

.whatsapp-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;

    padding: 25px 60px;

    border-radius: 15px;

    font-size: 1.1rem;
    font-weight: 900;
    font-family: 'Montserrat', sans-serif;
    text-decoration: none;
    color: white;

    background: linear-gradient(135deg, #25d366, #128c4a);
    box-shadow:
        0 0 30px rgba(37, 211, 102, .5),
        0 0 60px rgba(37, 211, 102, .2);

    cursor: pointer;
    transition: transform .2s, box-shadow .2s;
}

.whatsapp-btn:hover {
    transform: scale(1.05);
    box-shadow:
        0 0 50px rgba(37, 211, 102, .8),
        0 0 100px rgba(37, 211, 102, .35);
}

/* FOOTER */

footer {

    padding: 180px 10%;

    text-align: center;
}

footer h2 {

    font-family: 'Anton';

    font-size: 5rem;

    line-height: 1;
}

/* ============================================
   PATROCINADORES
   ============================================ */

/* --- Sección en la pantalla de entrada --- */

.entry-sponsors {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 22px 5%;
    background: linear-gradient(to top,
        rgba(0, 0, 0, .75),
        transparent);
    z-index: 10;
}

/* --- Sección en el footer --- */

.footer-sponsors {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, .12);
}

/* --- Compartido --- */

.sponsors-label {
    text-align: center;
    font-size: .7rem;
    letter-spacing: 4px;
    font-weight: 700;
    color: rgba(255, 255, 255, .35);
    text-transform: uppercase;
    margin-bottom: 18px;
}

.sponsors-grid {
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

.sponsor-card {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;

    padding: 14px 28px;

    background: rgba(255, 255, 255, .06);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);

    border: 1px solid rgba(255, 255, 255, .10);
    border-radius: 14px;

    transition: background .3s, border-color .3s;
    cursor: default;
}

.sponsor-card:hover {
    background: rgba(255, 255, 255, .12);
    border-color: rgba(255, 180, 0, .35);
}

.sponsor-card img {
    height: 44px;
    width: auto;
    max-width: 140px;
    object-fit: contain;
    filter: brightness(1.1) saturate(.9);
    transition: filter .3s;
}

.sponsor-card:hover img {
    filter: brightness(1.3) saturate(1.1);
}

/* ============================================
   ANIMACION
   ============================================ */

/* ANIMACION */

@keyframes float {


    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-25px);
    }

}

/* ============================================
   LOGO EN TIRAS CAYENDO
   ============================================ */

.logo-strips-wrap {
    position: absolute;
    overflow: hidden;
    /* width/height se asignan por JS según la imagen */
    /* centrado en la pantalla */
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    filter:
        drop-shadow(0 0 40px rgba(255, 140, 0, .6))
        drop-shadow(0 0 80px rgba(255, 80, 0, .3));
    border-radius: 12px;
}

.logo-strip {
    position: absolute;
    top: 0;
    height: 100%;
    background-image: url('../img/logo.png');
    background-repeat: no-repeat;
    background-position-y: 0;
    /* background-size y background-position-x se asignan por JS */
    animation: stripDrop 3.6s cubic-bezier(.22, .61, .36, 1) infinite;
    /* transform inicial por JS (translateY(-101%)) */
    opacity: 0;
}

@keyframes stripDrop {
    0%          { transform: translateY(-101%); opacity: 0; }
    8%          { opacity: 1; }
    22%, 72%    { transform: translateY(0);     opacity: 1; }
    88%         { transform: translateY(-101%); opacity: 0; }
    100%        { transform: translateY(-101%); opacity: 0; }
}

/* ============================================
   PANTALLA DE ENTRADA
   ============================================ */

.entry-screen {
    position: fixed;
    inset: 0;

    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 40% 40%, #2a0800, #0a0000 70%);
    overflow: hidden;
}

.entry-screen.fade-out {
    animation: fadeOutScreen 0.8s ease forwards;
}

@keyframes fadeOutScreen {
    0%   { opacity: 1; transform: scale(1); }
    100% { opacity: 0; transform: scale(1.05); }
}

.entry-particles {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(255, 100, 0, .15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(180, 0, 255, .12) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(255, 180, 0, .08) 0%, transparent 70%);
    animation: particlesDrift 6s ease-in-out infinite alternate;
}

@keyframes particlesDrift {
    from { transform: scale(1) rotate(0deg); }
    to   { transform: scale(1.1) rotate(3deg); }
}

.entry-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 40px 30px 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
}

.entry-logo {
    font-family: 'Anton', sans-serif;
    font-size: 1.1rem;
    letter-spacing: 6px;
    color: rgba(255, 200, 100, .6);
    text-transform: uppercase;
}

.entry-date {
    display: inline-block;
    background: #7d1fff;
    padding: 8px 22px;
    border-radius: 40px;
    font-size: .85rem;
    font-weight: 800;
    letter-spacing: 2px;
}

.entry-title {
    font-family: 'Anton', sans-serif;
    font-size: clamp(3.5rem, 14vw, 8rem);
    line-height: .9;
    color: white;
}

.entry-title span {
    display: block;
    background: linear-gradient(180deg, #fff2ae, #ffb300, #ff5500);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 20px rgba(255, 150, 0, .8));
}

.entry-subtitle {
    font-size: clamp(.8rem, 3vw, 1rem);
    color: rgba(255, 255, 255, .55);
    letter-spacing: 2px;
    font-weight: 500;
}

/* BOTÓN ENTRAR */

.btn-entrar {
    position: relative;
    margin-top: 20px;
    padding: 22px 70px;
    border: none;
    border-radius: 60px;
    cursor: pointer;
    font-family: 'Anton', sans-serif;
    font-size: 1.6rem;
    letter-spacing: 5px;
    color: white;
    background: linear-gradient(135deg, #ffcc00, #ff6600, #cc0000);
    box-shadow:
        0 0 40px rgba(255, 120, 0, .7),
        0 0 80px rgba(255, 80, 0, .35),
        inset 0 1px 0 rgba(255, 255, 255, .25);
    transition: transform .2s, box-shadow .2s;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: 14px;
}

.btn-entrar:hover {
    transform: scale(1.06);
    box-shadow:
        0 0 60px rgba(255, 140, 0, .9),
        0 0 120px rgba(255, 80, 0, .5);
}

.btn-entrar:active {
    transform: scale(.97);
}

.btn-entrar-icon {
    font-size: 1.4rem;
    animation: bounceIcon 1.5s infinite;
}

@keyframes bounceIcon {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-5px); }
}

.btn-pulse {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: transparent;
    border: 2px solid rgba(255, 200, 100, .5);
    animation: pulseBorder 2s ease-out infinite;
}

@keyframes pulseBorder {
    0%   { transform: scale(1);   opacity: .8; }
    100% { transform: scale(1.3); opacity: 0; }
}

/* ============================================
   RESPONSIVE — MÓVIL
   ============================================ */

@media (max-width: 768px) {

    /* NAV */
    nav {
        padding: 20px 5%;
        flex-wrap: wrap;
        gap: 12px;
    }

    .logo {
        font-size: 1.2rem;
    }

    .nav-btn {
        padding: 10px 22px;
        font-size: .85rem;
    }

    /* HERO */
    .hero {
        flex-direction: column;
        height: auto;
        min-height: 100dvh;
        padding: 100px 6% 60px;
        text-align: center;
        gap: 40px;
    }

    .hero-content {
        width: 100%;
    }

    .hero h1 {
        font-size: clamp(4rem, 18vw, 7rem);
    }

    .hero p {
        font-size: 1rem;
        max-width: 100%;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 14px;
    }

    .btn-primary,
    .btn-secondary {
        padding: 16px 30px;
        width: 100%;
        text-align: center;
    }

    .hero-image {
        width: 100%;
    }

    .chiva-strips-wrap {
        max-width: 85vw;
    }

    /* COUNTDOWN */
    .countdown {
        padding: 70px 5%;
    }

    .countdown h2 {
        font-size: clamp(3rem, 12vw, 5rem);
        margin-bottom: 30px;
    }

    .timer {
        gap: 12px;
        flex-wrap: wrap;
    }

    .box {
        width: calc(50% - 6px);
        padding: 22px 10px;
        border-radius: 16px;
    }

    .box span {
        font-size: 2.6rem;
    }

    /* EXPERIENCE */
    .experience {
        padding: 70px 5%;
    }

    .experience h2 {
        font-size: clamp(2.5rem, 10vw, 4rem);
        margin-bottom: 40px;
    }

    .experience-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .experience-card {
        padding: 30px 15px;
        font-size: 2.2rem;
    }

    .experience-card h3 {
        font-size: .8rem;
        margin-top: 8px;
    }

    /* TICKETS */
    .tickets {
        padding: 70px 5%;
    }

    .tickets h2 {
        font-size: clamp(3rem, 12vw, 5rem);
        margin-bottom: 35px;
    }

    .ticket {
        flex-direction: column;
        gap: 30px;
        padding: 35px 25px;
        text-align: center;
    }

    .price {
        font-size: 3.5rem;
    }

    .whatsapp-btn {
        width: 100%;
        justify-content: center;
        padding: 18px 30px;
        font-size: 1rem;
        border-radius: 12px;
    }

    /* FOOTER */
    footer {
        padding: 90px 6%;
    }

    footer h2 {
        font-size: clamp(2rem, 8vw, 3.5rem);
        line-height: 1.15;
    }

    /* ENTRY SCREEN */
    .btn-entrar {
        padding: 18px 50px;
        font-size: 1.3rem;
    }

    /* PATROCINADORES */
    .entry-sponsors {
        padding: 16px 3%;
    }

    .footer-sponsors {
        margin-top: 40px;
        padding-top: 28px;
    }

    .sponsor-card {
        padding: 14px 24px;
    }

    .sponsor-card img {
        height: 52px;
        max-width: 160px;
    }

    .sponsors-grid {
        gap: 14px;
    }
}

@media (max-width: 400px) {
    .hero h1 {
        font-size: 3.5rem;
    }

    .box {
        width: calc(50% - 6px);
        padding: 18px 8px;
    }

    .box span {
        font-size: 2rem;
    }

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