/* ======================================================
   VARIABLES
====================================================== */

:root {
    --background: #030611;
    --background-soft: #071026;
    --card: rgba(8, 17, 42, 0.82);
    --card-solid: #08112a;
    --card-light: rgba(16, 30, 67, 0.76);

    --primary: #00d9ff;
    --primary-dark: #0079ff;
    --secondary: #9147ff;
    --pink: #ef42ff;
    --green: #49ff9a;
    --yellow: #ffd166;

    --text: #f6f8ff;
    --text-soft: #b9c3df;
    --text-muted: #7f8cac;

    --border: rgba(72, 151, 255, 0.24);
    --border-bright: rgba(0, 217, 255, 0.55);

    --shadow:
        0 28px 70px rgba(0, 0, 0, 0.42);

    --glow:
        0 0 28px rgba(0, 217, 255, 0.24);

    --header-height: 82px;
    --radius-small: 12px;
    --radius-medium: 20px;
    --radius-large: 30px;
}

/* ======================================================
   RESET
====================================================== */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 25px);
}

body {
    min-height: 100vh;
    overflow-x: hidden;
    background:
        radial-gradient(
            circle at 20% 10%,
            rgba(0, 130, 255, 0.14),
            transparent 30%
        ),
        radial-gradient(
            circle at 85% 20%,
            rgba(159, 54, 255, 0.13),
            transparent 28%
        ),
        linear-gradient(
            145deg,
            #02040d,
            #050a1b 45%,
            #02040e
        );

    color: var(--text);
    font-family: "Poppins", sans-serif;
    line-height: 1.6;
}

body.menu-open {
    overflow: hidden;
}

img {
    display: block;
    max-width: 100%;
}

button,
input,
textarea,
select {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

button {
    border: none;
}

a {
    color: inherit;
    text-decoration: none;
}

section {
    position: relative;
}

/* ======================================================
   FONDO
====================================================== */

.background-effects {
    position: fixed;
    inset: 0;
    z-index: -5;
    pointer-events: none;
    overflow: hidden;
}

.background-effects__orb {
    position: absolute;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.16;
}

.background-effects__orb--one {
    top: 5%;
    left: -170px;
    background: var(--primary);
}

.background-effects__orb--two {
    right: -170px;
    top: 42%;
    background: var(--secondary);
}

.background-effects__grid {
    position: absolute;
    inset: 0;

    background-image:
        linear-gradient(
            rgba(0, 184, 255, 0.035) 1px,
            transparent 1px
        ),
        linear-gradient(
            90deg,
            rgba(0, 184, 255, 0.035) 1px,
            transparent 1px
        );

    background-size: 55px 55px;
    mask-image:
        linear-gradient(
            to bottom,
            rgba(0, 0, 0, 0.75),
            transparent 88%
        );
}

/* ======================================================
   HEADER
====================================================== */

.main-header {
    position: sticky;
    top: 0;
    z-index: 1000;

    min-height: var(--header-height);
    padding: 12px clamp(20px, 5vw, 80px);

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;

    background: rgba(3, 6, 17, 0.82);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.brand {
    display: flex;
    align-items: center;
    gap: 13px;
    min-width: 0;
}

.brand__logo {
    width: 56px;
    height: 56px;
    object-fit: contain;
    filter:
        drop-shadow(0 0 13px rgba(0, 217, 255, 0.25));
}

.brand__text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.brand__name {
    font-family: "Orbitron", sans-serif;
    font-size: 1.08rem;
    font-weight: 800;
    letter-spacing: 0.24em;

    background:
        linear-gradient(
            90deg,
            var(--primary),
            #5c87ff,
            var(--pink)
        );

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

.brand__description {
    margin-top: 5px;
    font-size: 0.64rem;
    letter-spacing: 0.11em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.main-navigation {
    display: flex;
    align-items: center;
    gap: 10px;
}

.main-navigation a {
    position: relative;
    padding: 10px 14px;
    color: var(--text-soft);
    font-size: 0.9rem;
    font-weight: 500;
    transition: 0.25s ease;
}

.main-navigation a::after {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 4px;
    height: 2px;
    border-radius: 999px;
    background:
        linear-gradient(
            90deg,
            var(--primary),
            var(--secondary)
        );
    transform: scaleX(0);
    transition: 0.25s ease;
}

.main-navigation a:hover {
    color: white;
}

.main-navigation a:hover::after {
    transform: scaleX(1);
}

.mobile-menu-button {
    width: 45px;
    height: 45px;
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;

    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(10, 24, 57, 0.85);
    cursor: pointer;
}

.mobile-menu-button span {
    width: 22px;
    height: 2px;
    border-radius: 999px;
    background: var(--text);
}

/* ======================================================
   MENÚ MÓVIL
====================================================== */

.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 1600;

    width: min(340px, 88vw);
    height: 100vh;
    padding: 90px 28px 30px;

    display: flex;
    flex-direction: column;
    gap: 12px;

    background:
        linear-gradient(
            155deg,
            rgba(8, 17, 42, 0.99),
            rgba(3, 7, 20, 0.99)
        );

    border-left: 1px solid var(--border-bright);
    box-shadow: -30px 0 60px rgba(0, 0, 0, 0.5);

    transform: translateX(110%);
    transition: 0.3s ease;
}

.mobile-menu.is-open {
    transform: translateX(0);
}

.mobile-menu a {
    padding: 15px 18px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: rgba(10, 24, 57, 0.6);
    color: var(--text-soft);
}

.mobile-menu a:hover {
    color: white;
    border-color: var(--border-bright);
}

.mobile-menu__close {
    position: absolute;
    top: 20px;
    right: 20px;

    width: 44px;
    height: 44px;

    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    color: white;
    font-size: 2rem;
    cursor: pointer;
}

.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    z-index: 1500;
    display: none;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(3px);
}

.mobile-menu-overlay.is-visible {
    display: block;
}

/* ======================================================
   HERO
====================================================== */

.hero {
    width: min(1500px, calc(100% - 40px));
    min-height: calc(100vh - var(--header-height));
    margin: 0 auto;
    padding: 80px 0;

    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(430px, 0.92fr);
    align-items: center;
    gap: clamp(45px, 7vw, 110px);
}

.hero__label,
.section-heading__label,
.call-to-action__label {
    display: inline-flex;
    width: fit-content;
    padding: 8px 15px;

    border-radius: 999px;
    border: 1px solid rgba(0, 217, 255, 0.3);

    background:
        linear-gradient(
            90deg,
            rgba(0, 217, 255, 0.12),
            rgba(145, 71, 255, 0.13)
        );

    color: var(--primary);
    font-size: 0.77rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.hero h1 {
    margin-top: 22px;

    font-family: "Orbitron", sans-serif;
    font-size: clamp(2.6rem, 5vw, 5.6rem);
    line-height: 1.06;
    letter-spacing: -0.04em;
}

.hero h1 span {
    display: block;

    background:
        linear-gradient(
            90deg,
            var(--primary),
            #497fff 46%,
            var(--pink)
        );

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

.hero__description {
    max-width: 760px;
    margin-top: 26px;
    color: var(--text-soft);
    font-size: clamp(1rem, 1.25vw, 1.18rem);
}

.hero__actions {
    margin-top: 32px;
    display: flex;
    flex-wrap: wrap;
    gap: 13px;
}

.button {
    min-height: 50px;
    padding: 13px 23px;

    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;

    border-radius: 14px;
    border: 1px solid transparent;

    color: white;
    font-weight: 700;
    cursor: pointer;
    transition:
        transform 0.25s ease,
        box-shadow 0.25s ease,
        border-color 0.25s ease;
}

.button:hover {
    transform: translateY(-3px);
}

.button--primary {
    background:
        linear-gradient(
            120deg,
            #006bff,
            #00c8ff 45%,
            #7654ff
        );

    box-shadow:
        0 15px 35px rgba(0, 137, 255, 0.24);
}

.button--secondary {
    border-color: var(--border);
    background: rgba(10, 22, 52, 0.72);
}

.button--secondary:hover {
    border-color: var(--border-bright);
    box-shadow: var(--glow);
}

.button--whatsapp {
    background:
        linear-gradient(
            120deg,
            #0abf53,
            #1ed760
        );

    box-shadow:
        0 15px 35px rgba(16, 195, 84, 0.2);
}

.hero__features {
    margin-top: 40px;

    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.hero-feature {
    min-width: 0;
    padding: 15px;

    display: flex;
    align-items: center;
    gap: 12px;

    border: 1px solid var(--border);
    border-radius: 16px;
    background: rgba(8, 17, 42, 0.62);
}

.hero-feature__icon {
    flex: 0 0 auto;
    font-size: 1.55rem;
}

.hero-feature strong {
    display: block;
    font-size: 0.89rem;
}

.hero-feature small {
    display: block;
    margin-top: 2px;
    color: var(--text-muted);
    font-size: 0.73rem;
}

.hero__visual {
    position: relative;
}

.hero-card {
    position: relative;
    padding: 12px;
    border-radius: 26px;
    border: 1px solid rgba(76, 137, 255, 0.35);
    background: rgba(7, 15, 38, 0.76);
    box-shadow: var(--shadow);
    isolation: isolate;
    transform: perspective(1300px) rotateY(-4deg) rotateX(1deg);
}

.hero-card::before {
    content: "";
    position: absolute;
    inset: -1px;
    z-index: -2;

    border-radius: inherit;

    background:
        linear-gradient(
            130deg,
            rgba(0, 217, 255, 0.55),
            transparent 30%,
            transparent 65%,
            rgba(239, 66, 255, 0.48)
        );
}

.hero-card img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-radius: 18px;
}

.hero-card__glow {
    position: absolute;
    inset: 15% 10%;
    z-index: -3;
    background: rgba(0, 158, 255, 0.4);
    filter: blur(90px);
}

.hero-card__status {
    position: absolute;
    left: 28px;
    bottom: 28px;

    padding: 9px 14px;

    display: flex;
    align-items: center;
    gap: 8px;

    border-radius: 999px;
    background: rgba(2, 7, 21, 0.86);
    border: 1px solid rgba(0, 217, 255, 0.35);
    backdrop-filter: blur(12px);

    font-size: 0.76rem;
}

.hero-card__status span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 13px var(--green);
}

/* ======================================================
   ESTADÍSTICAS
====================================================== */

.statistics {
    width: min(1500px, calc(100% - 40px));
    margin: 0 auto 100px;

    display: grid;
    grid-template-columns: repeat(4, 1fr);

    border: 1px solid var(--border);
    border-radius: 24px;
    background: rgba(8, 17, 42, 0.72);
    overflow: hidden;
}

.statistic {
    padding: 29px;
    text-align: center;
    border-right: 1px solid var(--border);
}

.statistic:last-child {
    border-right: none;
}

.statistic strong {
    display: block;

    font-family: "Orbitron", sans-serif;
    font-size: clamp(1.7rem, 3vw, 2.9rem);

    background:
        linear-gradient(
            90deg,
            var(--primary),
            var(--secondary)
        );

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

.statistic span {
    color: var(--text-soft);
    font-size: 0.88rem;
}

/* ======================================================
   TÍTULOS DE SECCIONES
====================================================== */

.section-heading {
    max-width: 850px;
    margin: 0 auto 45px;
    text-align: center;
}

.section-heading__label {
    margin-inline: auto;
}

.section-heading h2 {
    margin-top: 17px;
    font-family: "Orbitron", sans-serif;
    font-size: clamp(2rem, 4vw, 3.8rem);
    line-height: 1.15;
}

.section-heading p {
    max-width: 760px;
    margin: 17px auto 0;
    color: var(--text-soft);
}

/* ======================================================
   PRESENTACIÓN
====================================================== */

.presentation-section {
    padding: 100px clamp(20px, 4vw, 70px);
}

.presentation-layout {
    width: min(1700px, 100%);
    margin: 0 auto;

    display: grid;
    grid-template-columns: 310px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
}

.presentation-sidebar {
    position: sticky;
    top: calc(var(--header-height) + 18px);

    max-height: calc(100vh - var(--header-height) - 36px);
    overflow: hidden;

    border: 1px solid var(--border);
    border-radius: 22px;
    background: rgba(7, 15, 38, 0.86);
    box-shadow: var(--shadow);
    backdrop-filter: blur(17px);
}

.presentation-sidebar__header {
    min-height: 75px;
    padding: 15px 17px;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;

    border-bottom: 1px solid var(--border);
    background:
        linear-gradient(
            90deg,
            rgba(0, 147, 255, 0.11),
            rgba(145, 71, 255, 0.08)
        );
}

.presentation-sidebar__header span {
    display: block;
    color: var(--primary);
    font-size: 0.67rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.presentation-sidebar__header strong {
    display: block;
    font-size: 0.82rem;
}

.sidebar-close-button {
    display: none;

    width: 37px;
    height: 37px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    color: white;
    font-size: 1.45rem;
    cursor: pointer;
}

.module-list {
    max-height: calc(100vh - var(--header-height) - 112px);
    padding: 10px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-dark) transparent;
}

.module-button {
    width: 100%;
    padding: 12px;

    display: flex;
    align-items: center;
    gap: 11px;

    border-radius: 13px;
    border: 1px solid transparent;

    background: transparent;
    color: var(--text-soft);
    text-align: left;
    cursor: pointer;
    transition: 0.2s ease;
}

.module-button:hover {
    background: rgba(38, 75, 149, 0.18);
    color: white;
}

.module-button.is-active {
    color: white;
    border-color: rgba(0, 217, 255, 0.42);

    background:
        linear-gradient(
            90deg,
            rgba(0, 173, 255, 0.18),
            rgba(145, 71, 255, 0.17)
        );
}

.module-button__number {
    width: 34px;
    height: 34px;
    flex: 0 0 auto;

    display: grid;
    place-items: center;

    border-radius: 10px;
    border: 1px solid rgba(0, 217, 255, 0.25);
    background: rgba(5, 15, 39, 0.9);
    color: var(--primary);
    font-family: "Orbitron", sans-serif;
    font-size: 0.76rem;
}

.module-button__text {
    min-width: 0;
}

.module-button__text span {
    display: block;
    color: var(--text-muted);
    font-size: 0.65rem;
    text-transform: uppercase;
}

.module-button__text strong {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.78rem;
}

.presentation-player {
    min-width: 0;
    overflow: hidden;

    border: 1px solid var(--border);
    border-radius: 24px;
    background: rgba(5, 12, 31, 0.88);
    box-shadow: var(--shadow);
}

.presentation-player:fullscreen {
    width: 100vw;
    height: 100vh;
    padding: 0;
    border: none;
    border-radius: 0;
    background: #000;
}

.presentation-player:fullscreen .slide-stage {
    height: calc(100vh - 145px);
    max-height: none;
    border-radius: 0;
}

.presentation-player:fullscreen .thumbnail-area {
    display: none;
}

.presentation-player:fullscreen .slide-image {
    max-height: calc(100vh - 160px);
}

.presentation-toolbar {
    min-height: 72px;
    padding: 12px 16px;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;

    border-bottom: 1px solid var(--border);
    background: rgba(9, 20, 48, 0.78);
}

.presentation-toolbar__left,
.presentation-toolbar__actions {
    display: flex;
    align-items: center;
    gap: 11px;
}

.icon-button {
    width: 43px;
    height: 43px;
    flex: 0 0 auto;

    display: grid;
    place-items: center;

    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(10, 23, 55, 0.9);
    color: white;
    font-size: 1rem;
    cursor: pointer;
    transition: 0.2s ease;
}

.icon-button:hover,
.icon-button.is-active {
    border-color: var(--border-bright);
    color: var(--primary);
    box-shadow: var(--glow);
}

.sidebar-toggle-button {
    display: none;
}

.slide-information span {
    display: block;
    color: var(--primary);
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.slide-information strong {
    display: block;
    max-width: min(55vw, 700px);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.9rem;
}

.slide-stage {
    position: relative;
    min-height: 420px;
    max-height: 78vh;

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

    overflow: hidden;
    background:
        radial-gradient(
            circle at center,
            rgba(17, 47, 111, 0.25),
            transparent 65%
        ),
        #01030a;

    touch-action: pan-y;
    user-select: none;
    outline: none;
}

.slide-stage:focus-visible {
    box-shadow: inset 0 0 0 2px var(--primary);
}

.slide-image {
    width: 100%;
    height: auto;
    max-height: 78vh;
    object-fit: contain;
    opacity: 1;

    transition:
        opacity 0.25s ease,
        transform 0.35s ease;
}

.slide-image.is-changing {
    opacity: 0;
    transform: scale(0.985);
}

.slide-loader {
    position: absolute;
    inset: 0;
    z-index: 5;

    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 13px;

    background: rgba(1, 4, 13, 0.86);
}

.slide-loader.is-visible {
    display: flex;
}

.slide-loader span {
    width: 42px;
    height: 42px;

    border-radius: 50%;
    border: 3px solid rgba(0, 217, 255, 0.18);
    border-top-color: var(--primary);

    animation: loadingRotation 0.8s linear infinite;
}

.slide-loader p {
    color: var(--text-soft);
    font-size: 0.8rem;
}

@keyframes loadingRotation {
    to {
        transform: rotate(360deg);
    }
}

.stage-arrow {
    position: absolute;
    z-index: 8;
    top: 50%;

    width: 52px;
    height: 72px;

    display: grid;
    place-items: center;

    border: 1px solid rgba(0, 217, 255, 0.3);
    background: rgba(2, 8, 23, 0.68);
    color: white;
    font-size: 2.6rem;

    transform: translateY(-50%);
    cursor: pointer;
    opacity: 0;
    transition: 0.25s ease;
    backdrop-filter: blur(10px);
}

.slide-stage:hover .stage-arrow,
.stage-arrow:focus-visible {
    opacity: 1;
}

.stage-arrow--previous {
    left: 12px;
    border-radius: 0 16px 16px 0;
}

.stage-arrow--next {
    right: 12px;
    border-radius: 16px 0 0 16px;
}

.slide-number {
    position: absolute;
    right: 16px;
    bottom: 14px;
    z-index: 8;

    padding: 7px 11px;

    display: flex;
    align-items: center;
    gap: 5px;

    border-radius: 999px;
    border: 1px solid rgba(0, 217, 255, 0.28);
    background: rgba(1, 6, 20, 0.84);

    color: var(--text-soft);
    font-size: 0.75rem;
}

.slide-number span:first-child {
    color: var(--primary);
    font-weight: 700;
}

.progress-container {
    height: 5px;
    background: rgba(255, 255, 255, 0.05);
}

.progress-bar {
    width: 0;
    height: 100%;

    background:
        linear-gradient(
            90deg,
            var(--primary),
            var(--secondary),
            var(--pink)
        );

    box-shadow:
        0 0 16px rgba(0, 217, 255, 0.6);

    transition: width 0.35s ease;
}

.presentation-controls {
    padding: 14px 16px;

    display: grid;
    grid-template-columns: repeat(4, max-content);
    justify-content: center;
    gap: 10px;

    border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.control-button {
    min-height: 43px;
    padding: 9px 16px;

    border-radius: 12px;
    border: 1px solid var(--border);

    background: rgba(10, 23, 55, 0.82);
    color: var(--text-soft);
    font-weight: 600;
    font-size: 0.8rem;
    cursor: pointer;
    transition: 0.2s ease;
}

.control-button:hover {
    color: white;
    border-color: var(--border-bright);
}

.control-button:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.control-button--primary {
    border-color: rgba(0, 217, 255, 0.4);
    background:
        linear-gradient(
            120deg,
            #006bff,
            #7746ff
        );
    color: white;
}

.thumbnail-area {
    padding: 15px;
    border-top: 1px solid var(--border);
    background: rgba(7, 15, 38, 0.78);
}

.thumbnail-area__header {
    margin-bottom: 10px;

    display: flex;
    justify-content: space-between;
    gap: 18px;

    font-size: 0.75rem;
}

.thumbnail-area__header span {
    color: var(--text-muted);
}

.thumbnail-list {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 8px;
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-dark) transparent;
}

.thumbnail-button {
    position: relative;
    width: 135px;
    flex: 0 0 135px;
    padding: 4px;

    border-radius: 11px;
    border: 1px solid transparent;
    background: rgba(16, 30, 67, 0.7);
    cursor: pointer;
    overflow: hidden;
}

.thumbnail-button img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-radius: 8px;
    opacity: 0.62;
    transition: 0.2s ease;
}

.thumbnail-button span {
    position: absolute;
    left: 9px;
    bottom: 8px;

    width: 24px;
    height: 24px;

    display: grid;
    place-items: center;

    border-radius: 7px;
    background: rgba(1, 6, 20, 0.86);
    color: white;
    font-size: 0.68rem;
}

.thumbnail-button:hover img {
    opacity: 1;
}

.thumbnail-button.is-active {
    border-color: var(--primary);
    box-shadow: var(--glow);
}

.thumbnail-button.is-active img {
    opacity: 1;
}

/* ======================================================
   BENEFICIOS
====================================================== */

.benefits-section {
    padding: 100px clamp(20px, 5vw, 80px);
}

.benefits-grid {
    width: min(1400px, 100%);
    margin: 0 auto;

    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.benefit-card {
    position: relative;
    min-height: 235px;
    padding: 27px;
    overflow: hidden;

    border-radius: 22px;
    border: 1px solid var(--border);
    background:
        linear-gradient(
            145deg,
            rgba(12, 27, 62, 0.82),
            rgba(5, 12, 31, 0.82)
        );

    transition:
        transform 0.25s ease,
        border-color 0.25s ease;
}

.benefit-card::before {
    content: "";
    position: absolute;
    width: 140px;
    height: 140px;
    right: -55px;
    top: -55px;
    border-radius: 50%;
    background: rgba(0, 217, 255, 0.12);
    filter: blur(5px);
}

.benefit-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-bright);
}

.benefit-card > span {
    display: block;
    margin-bottom: 17px;
    font-size: 2.3rem;
}

.benefit-card h3 {
    margin-bottom: 9px;
    font-family: "Orbitron", sans-serif;
    font-size: 1.05rem;
}

.benefit-card p {
    color: var(--text-soft);
    font-size: 0.88rem;
}

/* ======================================================
   NIVELES
====================================================== */

.levels-section {
    padding: 100px clamp(20px, 5vw, 80px);
}

.levels-table-wrapper {
    width: min(1200px, 100%);
    margin: 0 auto;
    overflow-x: auto;

    border: 1px solid var(--border);
    border-radius: 22px;
    background: rgba(7, 15, 38, 0.8);
    box-shadow: var(--shadow);
}

.levels-table {
    width: 100%;
    min-width: 720px;
    border-collapse: collapse;
}

.levels-table th,
.levels-table td {
    padding: 18px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.levels-table th {
    background:
        linear-gradient(
            90deg,
            rgba(0, 126, 255, 0.16),
            rgba(145, 71, 255, 0.14)
        );

    color: var(--primary);
    font-family: "Orbitron", sans-serif;
    font-size: 0.77rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.levels-table td {
    color: var(--text-soft);
}

.levels-table tbody tr {
    transition: 0.2s ease;
}

.levels-table tbody tr:hover {
    background: rgba(38, 75, 149, 0.12);
}

.levels-table tbody tr:last-child td {
    border-bottom: none;
}

/* ======================================================
   CTA
====================================================== */

.call-to-action {
    width: min(1400px, calc(100% - 40px));
    margin: 50px auto 110px;
    padding: clamp(45px, 7vw, 90px);

    overflow: hidden;
    text-align: center;

    border: 1px solid rgba(0, 217, 255, 0.35);
    border-radius: 30px;

    background:
        radial-gradient(
            circle at 50% 100%,
            rgba(0, 153, 255, 0.22),
            transparent 48%
        ),
        linear-gradient(
            145deg,
            rgba(12, 27, 62, 0.94),
            rgba(5, 10, 27, 0.95)
        );

    box-shadow: var(--shadow);
}

.call-to-action__glow {
    position: absolute;
    width: 480px;
    height: 480px;
    left: 50%;
    bottom: -330px;

    border-radius: 50%;
    background: rgba(82, 78, 255, 0.43);
    filter: blur(80px);
    transform: translateX(-50%);
}

.call-to-action__label {
    position: relative;
    margin-inline: auto;
}

.call-to-action h2 {
    position: relative;
    max-width: 1000px;
    margin: 22px auto 0;

    font-family: "Orbitron", sans-serif;
    font-size: clamp(2rem, 4.4vw, 4.4rem);
    line-height: 1.12;
}

.call-to-action h2 span {
    background:
        linear-gradient(
            90deg,
            var(--primary),
            var(--pink)
        );

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

.call-to-action p {
    position: relative;
    max-width: 740px;
    margin: 20px auto 0;
    color: var(--text-soft);
}

.call-to-action__buttons {
    position: relative;
    margin-top: 30px;

    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 13px;
}

/* ======================================================
   FOOTER
====================================================== */

.main-footer {
    min-height: 150px;
    padding: 35px clamp(20px, 5vw, 80px);

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;

    border-top: 1px solid var(--border);
    background: rgba(2, 5, 15, 0.88);
}

.main-footer__brand strong {
    display: block;
    font-family: "Orbitron", sans-serif;
    letter-spacing: 0.12em;
    color: var(--primary);
}

.main-footer__brand span,
.main-footer p,
.main-footer a {
    color: var(--text-muted);
    font-size: 0.78rem;
}

.main-footer a:hover {
    color: var(--primary);
}

/* ======================================================
   AYUDA DE TECLADO
====================================================== */

.keyboard-help {
    position: fixed;
    z-index: 1200;
    right: 18px;
    bottom: 18px;

    padding: 9px 13px;

    display: flex;
    align-items: center;
    gap: 7px;

    border: 1px solid var(--border);
    border-radius: 999px;
    background: rgba(2, 7, 21, 0.84);
    backdrop-filter: blur(12px);

    color: var(--text-muted);
    font-size: 0.68rem;

    opacity: 1;
    transition: 0.4s ease;
}

.keyboard-help span {
    width: 24px;
    height: 24px;
    display: grid;
    place-items: center;

    border-radius: 6px;
    background: rgba(255, 255, 255, 0.07);
    color: white;
}

.keyboard-help.is-hidden {
    opacity: 0;
    visibility: hidden;
}

/* ======================================================
   RESPONSIVE
====================================================== */

@media (max-width: 1180px) {

    .main-navigation {
        display: none;
    }

    .mobile-menu-button {
        display: flex;
    }

    .hero {
        grid-template-columns: 1fr;
        min-height: auto;
        padding-top: 70px;
    }

    .hero__content {
        text-align: center;
    }

    .hero__label,
    .hero__actions {
        margin-inline: auto;
        justify-content: center;
    }

    .hero__description {
        margin-inline: auto;
    }

    .hero__visual {
        width: min(900px, 100%);
        margin: 0 auto;
    }

    .hero-card {
        transform: none;
    }

    .presentation-layout {
        grid-template-columns: 1fr;
    }

    .presentation-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        z-index: 1800;

        width: min(350px, 90vw);
        height: 100vh;
        max-height: none;

        border-radius: 0 20px 20px 0;
        transform: translateX(-110%);
        transition: 0.3s ease;
    }

    .presentation-sidebar.is-open {
        transform: translateX(0);
    }

    .presentation-sidebar__header {
        min-height: 82px;
    }

    .sidebar-close-button,
    .sidebar-toggle-button {
        display: grid;
    }

    .module-list {
        max-height: calc(100vh - 82px);
    }

    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }

}

@media (max-width: 850px) {

    :root {
        --header-height: 72px;
    }

    .main-header {
        padding-inline: 16px;
    }

    .brand__logo {
        width: 46px;
        height: 46px;
    }

    .brand__description {
        display: none;
    }

    .hero {
        width: min(100% - 28px, 1500px);
        padding-block: 55px 75px;
    }

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

    .hero-feature {
        text-align: left;
    }

    .statistics {
        grid-template-columns: repeat(2, 1fr);
        width: min(100% - 28px, 1500px);
    }

    .statistic:nth-child(2) {
        border-right: none;
    }

    .statistic:nth-child(-n + 2) {
        border-bottom: 1px solid var(--border);
    }

    .presentation-section,
    .benefits-section,
    .levels-section {
        padding-inline: 14px;
    }

    .presentation-player {
        border-radius: 18px;
    }

    .slide-stage {
        min-height: 260px;
        max-height: none;
    }

    .slide-image {
        max-height: none;
    }

    .stage-arrow {
        display: none;
    }

    .presentation-controls {
        grid-template-columns: repeat(2, 1fr);
    }

    .control-button {
        width: 100%;
    }

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

    .main-footer {
        text-align: center;
        flex-direction: column;
    }

    .keyboard-help {
        display: none;
    }

}

@media (max-width: 560px) {

    .brand__name {
        font-size: 0.86rem;
        letter-spacing: 0.16em;
    }

    .hero h1 {
        font-size: clamp(2.2rem, 12vw, 3.4rem);
    }

    .hero__actions,
    .call-to-action__buttons {
        flex-direction: column;
    }

    .button {
        width: 100%;
    }

    .hero-card {
        padding: 7px;
        border-radius: 18px;
    }

    .hero-card img {
        border-radius: 13px;
    }

    .hero-card__status {
        left: 16px;
        right: 16px;
        bottom: 16px;
        justify-content: center;
    }

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

    .statistic {
        border-right: none;
        border-bottom: 1px solid var(--border);
    }

    .statistic:last-child {
        border-bottom: none;
    }

    .presentation-toolbar {
        min-height: 65px;
        padding: 10px;
    }

    .slide-information strong {
        max-width: 48vw;
        font-size: 0.76rem;
    }

    .presentation-toolbar__actions {
        gap: 6px;
    }

    .icon-button {
        width: 39px;
        height: 39px;
    }

    .thumbnail-button {
        width: 104px;
        flex-basis: 104px;
    }

    .thumbnail-area__header span {
        display: none;
    }

    .call-to-action {
        width: min(100% - 28px, 1400px);
        padding: 45px 20px;
    }

}

/* ======================================================
   REDUCCIÓN DE MOVIMIENTO
====================================================== */

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

}