:root {
    --azul-tech: #0f67b3;
    --azul-claro: #3b82f6;
    --turquesa: #14b8a6;
    --dorado: #f59e0b;
    --dorado-oscuro: #d97706;
    --verde: #10b981;
    --rojo: #ef4444;
    --blanco: #ffffff;
    --gris-fondo: #f8fafc;
    --gris-panel: #eef4fb;
    --gris-borde: #e2e8f0;
    --texto-oscuro: #0f172a;
    --texto-gris: #475569;
    --sombra-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
    --sombra-md: 0 12px 30px rgba(15, 23, 42, 0.08);
    --sombra-lg: 0 20px 60px rgba(15, 23, 42, 0.12);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Inter", sans-serif;
    background: var(--blanco);
    color: var(--texto-oscuro);
    line-height: 1.5;
}

a {
    color: inherit;
}

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

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

.container,
.container-sm {
    width: min(100%, 1280px);
    margin: 0 auto;
    padding: 0 32px;
}

.container-sm {
    width: min(100%, 920px);
}

.section {
    padding: 96px 0;
}

.section.section-soft {
    background: var(--gris-fondo);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    text-align: center;
    letter-spacing: -0.04em;
    margin-bottom: 16px;
}

.section-subtitle {
    max-width: 720px;
    margin: 0 auto 56px;
    color: var(--texto-gris);
    text-align: center;
    font-size: 1.05rem;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(15, 103, 179, 0.1);
    color: var(--azul-tech);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border: none;
    border-radius: 999px;
    font-size: 0.96rem;
    font-weight: 700;
    text-decoration: none;
    text-align: center;
    line-height: 1.2;
    max-width: 100%;
    white-space: normal;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--azul-tech);
    color: var(--blanco);
    box-shadow: 0 10px 24px rgba(15, 103, 179, 0.18);
}

.btn-primary:hover {
    background: #0d5898;
}

.btn-secondary {
    background: transparent;
    color: var(--azul-tech);
    border: 1.5px solid rgba(15, 103, 179, 0.24);
}

.btn-secondary:hover {
    background: rgba(15, 103, 179, 0.05);
}

.btn-gold {
    background: var(--dorado);
    color: var(--blanco);
    box-shadow: 0 10px 24px rgba(245, 158, 11, 0.22);
}

.btn-gold:hover {
    background: var(--dorado-oscuro);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gris-borde);
}

.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 82px;
}

.brand,
.logo-brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
}

.brand-mark,
.logo-icon {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--azul-tech), var(--azul-claro));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--blanco);
    font-weight: 900;
    font-size: 1.1rem;
    box-shadow: var(--sombra-sm);
    overflow: hidden;
}

.logo-icon-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.brand-title,
.logo-name {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--texto-oscuro);
    letter-spacing: -0.03em;
}

.brand-subtitle,
.logo-sub {
    display: block;
    color: var(--texto-gris);
    font-size: 0.74rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
    list-style: none;
}

.nav-menu a {
    color: var(--texto-gris);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s ease;
}

.nav-menu a:hover,
.nav-menu a.is-active {
    color: var(--azul-tech);
}

.btn-login {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 20px;
    border-radius: 999px;
    border: 1.5px solid rgba(15, 103, 179, 0.3);
    background: transparent;
    color: var(--azul-tech) !important;
    font-size: 0.88rem;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.btn-login::before {
    content: "→";
    font-size: 0.9em;
}

.btn-login:hover {
    background: rgba(15, 103, 179, 0.07);
    border-color: var(--azul-tech);
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    border: none;
    background: transparent;
    cursor: pointer;
}

.nav-toggle span {
    width: 26px;
    height: 2px;
    border-radius: 999px;
    background: var(--texto-oscuro);
}

.hero {
    position: relative;
    overflow: hidden;
    padding: 86px 0 96px;
    background:
        radial-gradient(circle at top left, rgba(59, 130, 246, 0.16), transparent 34%),
        linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%);
    border-bottom: 1px solid var(--gris-borde);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: 52px;
    align-items: center;
}

.hero-copy h1,
.page-hero h1 {
    font-size: clamp(2.4rem, 5vw, 4rem);
    line-height: 1.1;
    letter-spacing: -0.05em;
    margin-bottom: 22px;
}

.hero-copy p,
.page-hero p {
    color: var(--texto-gris);
    font-size: 1.08rem;
    margin-bottom: 30px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 26px;
}

.hero-proof {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.hero-proof span {
    padding: 10px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid var(--gris-borde);
    color: var(--texto-gris);
    font-size: 0.84rem;
    font-weight: 600;
}

.hero-visual {
    min-height: 420px;
    border-radius: 32px;
    overflow: hidden;
    box-shadow: var(--sombra-lg);
    background: #d9e8f6;
}

.hero-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.page-hero {
    padding: 74px 0 66px;
    background:
        radial-gradient(circle at top right, rgba(20, 184, 166, 0.1), transparent 28%),
        linear-gradient(135deg, #ffffff 0%, #f2f6fb 100%);
    border-bottom: 1px solid var(--gris-borde);
    text-align: center;
}

.page-hero p {
    max-width: 700px;
    margin: 0 auto;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 28px;
}

.card {
    background: var(--blanco);
    border: 1px solid var(--gris-borde);
    border-radius: 28px;
    padding: 32px 28px;
    box-shadow: var(--sombra-sm);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.card:hover {
    transform: translateY(-6px);
    border-color: rgba(59, 130, 246, 0.32);
    box-shadow: var(--sombra-md);
}

.card-icon {
    width: 56px;
    height: 56px;
    border-radius: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
    background: rgba(15, 103, 179, 0.08);
    color: var(--azul-tech);
    font-size: 1.6rem;
}

.card h3 {
    font-size: 1.35rem;
    margin-bottom: 12px;
}

.card p {
    color: var(--texto-gris);
    margin-bottom: 24px;
}

.split-section {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 48px;
    align-items: center;
}

.split-media {
    border-radius: 32px;
    overflow: hidden;
    box-shadow: var(--sombra-lg);
}

.split-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.split-copy p {
    color: var(--texto-gris);
    margin-bottom: 16px;
}

.timeline-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.timeline-card {
    position: relative;
    padding: 28px;
    border-radius: 28px;
    background: var(--blanco);
    border: 1px solid var(--gris-borde);
    box-shadow: var(--sombra-sm);
}

.timeline-step {
    display: inline-flex;
    width: 52px;
    height: 52px;
    margin-bottom: 18px;
    border-radius: 18px;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--azul-tech), var(--azul-claro));
    color: var(--blanco);
    font-size: 1.25rem;
    font-weight: 800;
}

.timeline-card p {
    color: var(--texto-gris);
    margin-top: 10px;
}

.testimonial-grid,
.team-grid,
.courses-grid,
.metrics-grid {
    display: grid;
    gap: 28px;
}

.testimonial-grid,
.team-grid,
.courses-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.metrics-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.testimonial-card,
.team-card,
.course-card,
.calendar-card,
.metric-card {
    background: var(--blanco);
    border-radius: 28px;
    border: 1px solid var(--gris-borde);
    box-shadow: var(--sombra-sm);
}

.testimonial-card,
.team-card,
.metric-card {
    padding: 28px;
}

.testimonial-card p,
.team-card p,
.course-body p,
.calendar-card p {
    color: var(--texto-gris);
}

.testimonial-stars {
    color: var(--dorado);
    letter-spacing: 0.25em;
    margin-bottom: 14px;
}

.testimonial-author {
    margin-top: 18px;
    font-weight: 800;
}

.team-card {
    text-align: center;
}

.team-card img {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    border-radius: 50%;
    object-fit: cover;
}

.team-card h3 {
    margin-bottom: 6px;
}

.history-card {
    display: grid;
    grid-template-columns: 300px 1fr;
    overflow: hidden;
    border-radius: 32px;
    background: var(--blanco);
    border: 1px solid var(--gris-borde);
    box-shadow: var(--sombra-md);
}

.history-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.history-body {
    padding: 42px;
}

.history-body h2 {
    font-size: 1.8rem;
    margin-bottom: 18px;
}

.history-body p {
    color: var(--texto-gris);
    margin-bottom: 14px;
}

.course-card {
    overflow: hidden;
    transition: transform 0.24s ease, box-shadow 0.24s ease;
}

.course-card:hover,
.calendar-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--sombra-md);
}

.course-card img {
    width: 100%;
    height: 190px;
    object-fit: cover;
}

.course-body {
    padding: 26px;
}

.course-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 14px;
}

.course-tags span,
.calendar-chip,
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 12px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
}

.course-tags span,
.calendar-chip {
    background: rgba(15, 103, 179, 0.08);
    color: var(--azul-tech);
}

.calendar-card {
    padding: 28px;
}

/* Calendario: máximo 3 tarjetas por fila con expansión para filas parciales */
.calendar-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
    justify-content: stretch;
}

.calendar-card {
    flex: 1 1 100%;
    max-width: 100%;
}

@media (min-width: 640px) {
    .calendar-card {
        flex: 1 1 calc((100% - 28px) / 2);
        max-width: calc((100% - 28px) / 2);
    }
}

@media (min-width: 1024px) {
    .calendar-card {
        flex: 1 1 calc((100% - 56px) / 3);
        max-width: calc((100% - 56px) / 3);
    }

    .calendar-grid[data-last-row-count="2"] .calendar-card:nth-last-child(-n+2) {
        flex: 1 1 calc((100% - 28px) / 2);
        max-width: calc((100% - 28px) / 2);
    }

    .calendar-grid[data-last-row-count="1"] .calendar-card:nth-last-child(1) {
        flex: 1 1 100%;
        max-width: 100%;
    }
}

.calendar-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 16px 0;
}

.calendar-card h3 {
    font-size: 1.24rem;
}

.countdown {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    margin: 24px 0;
}

.countdown-item {
    padding: 12px;
    text-align: center;
    border-radius: 18px;
    background: var(--gris-fondo);
    border: 1px solid var(--gris-borde);
}

.countdown-value {
    display: block;
    font-size: 1.35rem;
    font-weight: 800;
}

.countdown-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    color: var(--texto-gris);
    letter-spacing: 0.08em;
}

.contact-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 34px;
    align-items: start;
}

.contact-panel,
.form-card {
    background: var(--blanco);
    border: 1px solid var(--gris-borde);
    border-radius: 32px;
    box-shadow: var(--sombra-md);
}

.contact-panel {
    padding: 32px;
}

.contact-panel ul {
    list-style: none;
    display: grid;
    gap: 14px;
    margin-top: 24px;
}

.contact-panel li {
    display: flex;
    gap: 12px;
    color: var(--texto-gris);
}

.form-card {
    padding: 34px;
}

.form-tabs {
    display: inline-flex;
    padding: 6px;
    gap: 6px;
    border-radius: 999px;
    background: var(--gris-fondo);
    border: 1px solid var(--gris-borde);
    margin-bottom: 28px;
}

.form-tab {
    border: none;
    background: transparent;
    color: var(--texto-gris);
    font-weight: 700;
    padding: 12px 18px;
    border-radius: 999px;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
}

.form-tab.is-active {
    background: var(--blanco);
    color: var(--azul-tech);
    box-shadow: var(--sombra-sm);
}

.form-section {
    display: none;
}

.form-section.is-active {
    display: block;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.field {
    display: grid;
    gap: 8px;
    margin-bottom: 18px;
}

.field-stack {
    display: grid;
    gap: 18px;
}

.field-stack .field {
    margin-bottom: 0;
}

.field.full {
    grid-column: 1 / -1;
}

.field label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--texto-gris);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.field input,
.field textarea,
.field select {
    width: 100%;
    padding: 14px 18px;
    border-radius: 18px;
    border: 1px solid var(--gris-borde);
    background: var(--gris-fondo);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.field textarea {
    min-height: 120px;
    resize: vertical;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
    outline: none;
    background: var(--blanco);
    border-color: var(--azul-tech);
    box-shadow: 0 0 0 4px rgba(15, 103, 179, 0.1);
}

.field input.err,
.field textarea.err,
.field select.err {
    border-color: rgba(239, 68, 68, 0.5);
    background: rgba(254, 242, 242, 0.9);
}

.form-note,
.inline-note,
.notice {
    color: var(--texto-gris);
    font-size: 0.9rem;
}

.notice {
    padding: 14px 18px;
    border-radius: 18px;
    border: 1px solid var(--gris-borde);
    background: var(--gris-fondo);
    margin-bottom: 22px;
}

.notice.success {
    border-color: rgba(16, 185, 129, 0.25);
    background: rgba(16, 185, 129, 0.08);
    color: #047857;
}

.notice.warning {
    border-color: rgba(245, 158, 11, 0.3);
    background: rgba(245, 158, 11, 0.08);
    color: #92400e;
}

.workshop-register-layout {
    align-items: stretch;
}

.workshop-register-summary {
    display: grid;
    gap: 12px;
    margin-bottom: 22px;
    padding: 20px 22px;
    border-radius: 24px;
    border: 1px solid var(--gris-borde);
    background: linear-gradient(180deg, #f7fbff, #ffffff);
}

.workshop-register-summary strong {
    font-size: 1.1rem;
    color: var(--texto-oscuro);
}

.workshop-register-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.workshop-register-meta span {
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(15, 103, 179, 0.08);
    color: var(--azul-tech);
    font-size: 0.82rem;
    font-weight: 700;
}

.landing-body {
    background: var(--blanco);
}

.trust-bar {
    background: var(--gris-fondo);
    border-bottom: 1px solid var(--gris-borde);
    padding: 10px 0;
}

.trust-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px 28px;
}

.trust-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--texto-gris);
}

.trust-icon {
    color: var(--verde);
}

.landing-header {
    position: sticky;
    top: 0;
    z-index: 90;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gris-borde);
}

.landing-header .nav-wrap {
    min-height: 76px;
}

.landing-badge {
    padding: 7px 14px;
    border-radius: 999px;
    background: rgba(15, 103, 179, 0.08);
    color: var(--azul-tech);
    border: 1px solid rgba(15, 103, 179, 0.14);
    font-size: 0.78rem;
    font-weight: 700;
}

.landing-hero {
    padding: 72px 0 84px;
    background:
        radial-gradient(circle at top left, rgba(59, 130, 246, 0.16), transparent 32%),
        linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%);
    border-bottom: 1px solid var(--gris-borde);
}

.lead-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 48px;
    align-items: center;
}

.lead-photo {
    border-radius: 32px;
    overflow: hidden;
    box-shadow: var(--sombra-lg);
    margin: 24px 0 18px;
}

.lead-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.lead-credentials,
.inst-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.cred-pill,
.inst-tag {
    padding: 8px 12px;
    border-radius: 999px;
    background: var(--gris-fondo);
    border: 1px solid var(--gris-borde);
    color: var(--texto-gris);
    font-size: 0.78rem;
    font-weight: 700;
}

.landing-list,
.offer-list,
.pain-grid,
.what-grid {
    display: grid;
    gap: 14px;
    list-style: none;
}

.landing-list li,
.offer-list li,
.pain-item,
.what-card {
    display: flex;
    align-items: start;
    gap: 12px;
    color: var(--texto-gris);
}

.check-icon,
.what-num {
    flex: 0 0 auto;
    width: 34px;
    height: 34px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(16, 185, 129, 0.12);
    color: var(--verde);
    font-weight: 800;
}

.what-num {
    background: rgba(15, 103, 179, 0.08);
    color: var(--azul-tech);
}

.landing-form-card,
.diagnostic-card,
.instructor-card {
    background: var(--blanco);
    border: 1px solid var(--gris-borde);
    border-radius: 32px;
    box-shadow: var(--sombra-md);
}

.landing-form-card {
    padding: 34px;
}

.landing-form-head {
    text-align: center;
    margin-bottom: 26px;
}

.form-error {
    display: none;
    margin-bottom: 18px;
    padding: 14px 16px;
    border-radius: 18px;
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.18);
    color: #b91c1c;
    font-size: 0.92rem;
}

.form-success {
    display: none;
    text-align: center;
    padding-top: 10px;
}

.success-icon {
    width: 74px;
    height: 74px;
    margin: 0 auto 18px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--verde);
    color: var(--blanco);
    font-size: 2rem;
}

.metrics-grid .metric-card {
    padding: 30px 22px;
    text-align: center;
}

.metric-value {
    font-size: 2.8rem;
    line-height: 1;
    font-weight: 900;
    color: var(--azul-tech);
}

.metric-label {
    margin-top: 8px;
    color: var(--texto-gris);
    font-weight: 700;
}

.pain-item,
.what-card {
    padding: 18px 22px;
    border-radius: 24px;
    background: var(--blanco);
    border: 1px solid var(--gris-borde);
}

.pain-item:hover,
.what-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--sombra-sm);
}

.pain-quote {
    margin-top: 28px;
    padding: 22px 26px;
    border-left: 4px solid var(--dorado);
    border-radius: 18px;
    background: #fff7ed;
    color: var(--texto-gris);
}

.timer-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 28px;
    padding: 10px 18px;
    border-radius: 999px;
    background: rgba(245, 158, 11, 0.12);
    border: 1px solid rgba(245, 158, 11, 0.24);
    color: #9a5d00;
    font-weight: 700;
}

.instructor-card {
    display: grid;
    grid-template-columns: 170px 1fr;
    gap: 32px;
    padding: 34px;
    align-items: center;
}

.instructor-card img {
    width: 170px;
    height: 170px;
    object-fit: cover;
    border-radius: 50%;
    border: 5px solid rgba(245, 158, 11, 0.9);
}

.mid-cta {
    margin: 50px auto 0;
    width: min(100% - 48px, 1200px);
    padding: 70px 24px;
    border-radius: 40px;
    text-align: center;
    color: var(--blanco);
    background: linear-gradient(135deg, #0f67b3, #0f172a);
    box-shadow: var(--sombra-lg);
}

.mid-cta p {
    margin: 18px 0 28px;
    color: rgba(255, 255, 255, 0.85);
}

.sticky-fab {
    position: fixed;
    left: 50%;
    bottom: 22px;
    transform: translateX(-50%);
    z-index: 98;
    white-space: nowrap;
}

.sticky-fab .btn {
    box-shadow: var(--sombra-lg);
}

.pulse-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--verde);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.35);
        opacity: 0.45;
    }
}

.diagnostic-shell {
    min-height: 100vh;
    padding: 36px 20px 70px;
    background: var(--gris-fondo);
}

.diag-top-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin: 0 auto 28px;
    text-decoration: none;
}

.diagnostic-card {
    max-width: 760px;
    margin: 0 auto;
    padding: 38px 34px;
}

.screen {
    display: none;
}

.screen.is-active {
    display: block;
    animation: fadeUp 0.35s ease;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(18px);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

.progress-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    color: var(--texto-gris);
    font-size: 0.74rem;
    font-weight: 700;
    text-transform: uppercase;
}

.progress-track {
    height: 8px;
    overflow: hidden;
    background: var(--gris-borde);
    border-radius: 999px;
}

.progress-fill {
    height: 100%;
    width: 0%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--azul-tech), var(--dorado));
    transition: width 0.35s ease;
}

.question-tag {
    display: inline-flex;
    margin: 28px 0 18px;
    padding: 7px 14px;
    border-radius: 999px;
    background: rgba(15, 103, 179, 0.08);
    color: var(--azul-tech);
    font-size: 0.76rem;
    font-weight: 700;
}

.question-text {
    font-size: clamp(1.4rem, 3vw, 1.8rem);
    line-height: 1.3;
    margin-bottom: 28px;
}

.options {
    display: grid;
    gap: 12px;
}

.option-btn {
    display: flex;
    align-items: center;
    gap: 14px;
    width: 100%;
    padding: 16px 20px;
    border-radius: 22px;
    border: 2px solid var(--gris-borde);
    background: var(--blanco);
    color: var(--texto-gris);
    cursor: pointer;
    text-align: left;
    transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.option-btn:hover {
    transform: translateX(4px);
    border-color: rgba(59, 130, 246, 0.45);
    background: rgba(59, 130, 246, 0.04);
}

.option-btn.is-selected {
    border-color: rgba(15, 103, 179, 0.75);
    background: rgba(15, 103, 179, 0.06);
    color: var(--texto-oscuro);
}

.option-icon {
    width: 38px;
    height: 38px;
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    border: 1px solid var(--gris-borde);
    background: var(--gris-fondo);
}

.loading-state {
    padding: 56px 20px;
    text-align: center;
}

.loading-ring {
    width: 66px;
    height: 66px;
    margin: 0 auto 22px;
    border-radius: 50%;
    border: 5px solid rgba(15, 103, 179, 0.12);
    border-top-color: var(--azul-tech);
    animation: spin 1s linear infinite;
}

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

.greeting {
    color: var(--azul-tech);
    text-align: center;
    font-weight: 800;
    margin-bottom: 10px;
}

.result-badge {
    justify-content: center;
    margin: 0 auto 20px;
}

.status-pill {
    display: inline-flex;
    justify-content: center;
}

.status-pill.risk {
    background: rgba(239, 68, 68, 0.12);
    color: #991b1b;
}

.status-pill.warning {
    background: rgba(245, 158, 11, 0.14);
    color: #92400e;
}

.status-pill.good {
    background: rgba(16, 185, 129, 0.12);
    color: #065f46;
}

.score-ring-wrap {
    position: relative;
    width: 146px;
    height: 146px;
    margin: 0 auto 22px;
}

.score-svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.score-track,
.score-fill {
    fill: none;
    stroke-width: 10;
}

.score-track {
    stroke: var(--gris-borde);
}

.score-fill {
    stroke-linecap: round;
    stroke: var(--azul-tech);
    stroke-dasharray: 377;
    stroke-dashoffset: 377;
    transition: stroke-dashoffset 1s ease, stroke 0.2s ease;
}

.score-ring-center {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    text-align: center;
}

.score-num {
    font-size: 2.3rem;
    line-height: 1;
    font-weight: 900;
}

.score-max {
    color: var(--texto-gris);
    font-size: 0.76rem;
}

.result-title {
    font-size: 1.6rem;
    text-align: center;
    margin-bottom: 10px;
}

.result-desc {
    max-width: 620px;
    margin: 0 auto 26px;
    text-align: center;
    color: var(--texto-gris);
}

.area-bars {
    margin-top: 18px;
}

.area-bar {
    margin-bottom: 16px;
}

.area-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 6px;
    gap: 12px;
    font-size: 0.88rem;
    font-weight: 700;
}

.area-track {
    height: 8px;
    border-radius: 999px;
    overflow: hidden;
    background: var(--gris-borde);
}

.area-fill {
    height: 100%;
    width: 0%;
    border-radius: 999px;
    transition: width 0.55s ease;
}

.offer-box,
.result-callout {
    margin: 30px 0 16px;
    border-radius: 28px;
    padding: 28px;
}

.offer-box {
    color: var(--blanco);
    background: linear-gradient(135deg, #0f172a, #1e293b);
}

.public-offer-box {
    color: var(--texto-oscuro);
    background: linear-gradient(180deg, #fff7db, #ffffff);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.public-offer-box p,
.public-offer-box .offer-title {
    color: var(--texto-oscuro);
}

.offer-badge {
    display: inline-flex;
    margin-bottom: 14px;
    padding: 6px 12px;
    border-radius: 999px;
    background: var(--dorado);
    color: var(--texto-oscuro);
    font-size: 0.74rem;
    font-weight: 800;
}

.offer-title {
    font-size: 1.32rem;
    line-height: 1.3;
    margin-bottom: 16px;
}

.offer-list li::before {
    content: "✓";
    color: var(--verde);
    font-weight: 800;
}

.price-old {
    margin-top: 16px;
    opacity: 0.76;
    text-decoration: line-through;
    font-size: 0.88rem;
}

.price-new {
    font-size: 2rem;
    font-weight: 900;
    color: var(--dorado);
}

.result-callout {
    text-align: center;
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.18);
}

.video-page-shell {
    display: grid;
    gap: 28px;
    justify-items: center;
}

.video-page-heading {
    width: 100%;
    max-width: 900px;
    text-align: center;
}

.video-page-heading h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    line-height: 1.05;
    margin-bottom: 14px;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    width: 100%;
    justify-items: center;
}

.video-card {
    width: 100%;
    max-width: 980px;
    background: var(--blanco);
    border: 1px solid var(--gris-borde);
    border-radius: 28px;
    overflow: hidden;
    box-shadow: var(--sombra-md);
}

.video-card--featured {
    border: 1px solid rgba(148, 163, 184, 0.35);
    box-shadow: 0 18px 42px rgba(15, 23, 42, 0.16);
}

.video-card__frame {
    background: linear-gradient(135deg, #0f172a, #1e293b);
    padding: 14px;
}

.exclusive-video {
    display: block;
    width: 100%;
    max-width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 20px;
    background: linear-gradient(135deg, #020617, #111827);
    box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.18);
    object-fit: contain;
}

.video-card__body {
    display: grid;
    gap: 10px;
    padding: 20px;
    justify-items: center;
    text-align: center;
}

.video-card__body h2 {
    font-size: 1.08rem;
    line-height: 1.25;
    text-align: center;
}

.video-card__body p {
    color: var(--texto-gris);
    font-size: 0.98rem;
    text-align: center;
}

.video-chip,
.video-note {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 12px;
    border-radius: 14px;
    background: var(--gris-panel);
    color: var(--texto-oscuro);
    font-size: 0.92rem;
    text-align: center;
}

.video-note {
    border: 1px solid var(--gris-borde);
    line-height: 1.5;
    max-width: 980px;
}

.video-empty-card {
    width: 100%;
    max-width: 760px;
    text-align: center;
    background: var(--blanco);
    border: 1px dashed var(--gris-borde);
    border-radius: 24px;
    padding: 24px;
    box-shadow: var(--sombra-sm);
}

@media (max-width: 640px) {
    .video-grid {
        grid-template-columns: 1fr;
    }

    .video-card__body {
        padding: 16px;
    }
}

.result-actions {
    display: grid;
    gap: 14px;
    margin-top: 16px;
}

.site-footer {
    background: var(--blanco);
    border-top: 1px solid var(--gris-borde);
    margin-top: 0;
}

.site-footer-inner {
    padding: 54px 0 34px;
}

.footer-social {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 24px;
    padding-bottom: 24px;
    margin-bottom: 26px;
    border-bottom: 1px solid var(--gris-borde);
}

.footer-social-copy h3 {
    margin-bottom: 8px;
    font-size: 1.28rem;
}

.footer-social-copy p {
    color: var(--texto-gris);
    max-width: 540px;
}

.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: 999px;
    text-decoration: none;
    background: var(--gris-fondo);
    border: 1px solid var(--gris-borde);
    color: var(--texto-oscuro);
    font-weight: 700;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.social-link:hover {
    transform: translateY(-2px);
    border-color: rgba(15, 103, 179, 0.3);
}

.social-icon {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px 24px;
    color: var(--texto-gris);
    font-size: 0.9rem;
}

.footer-legal-links {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
}

.footer-legal-links a {
    color: var(--texto-gris);
    text-decoration: none;
    font-weight: 700;
}

.footer-legal-links a:hover {
    color: var(--azul-tech);
}

.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: none;
}

@media (max-width: 980px) {
    .hero-grid,
    .split-section,
    .contact-layout,
    .lead-hero,
    .instructor-card {
        grid-template-columns: 1fr;
    }

    .history-card {
        grid-template-columns: 1fr;
    }

    .history-card img {
        height: 280px;
    }

    .hero-visual {
        min-height: 320px;
    }
}

@media (max-width: 820px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: 0;
        right: 0;
        top: 82px;
        z-index: 999;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: rgba(255, 255, 255, 0.98);
        border-bottom: 1px solid var(--gris-borde);
        transform: translateY(-120%);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.28s ease, opacity 0.28s ease;
    }

    .nav-menu.is-open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-menu li {
        border-top: 1px solid rgba(226, 232, 240, 0.8);
    }

    .nav-menu a {
        display: block;
        padding: 18px 32px;
    }

    .nav-menu .btn-login {
        margin: 14px 32px;
        justify-content: center;
        border-radius: 999px;
    }
}

@media (max-width: 680px) {
    .container,
    .container-sm {
        padding: 0 16px;
    }

    .section {
        padding: 58px 0;
    }

    .hero,
    .page-hero,
    .landing-hero {
        padding-top: 56px;
    }

    .form-grid,
    .countdown {
        grid-template-columns: 1fr;
    }

    .form-card,
    .contact-panel,
    .landing-form-card,
    .diagnostic-card {
        padding: 24px 18px;
        border-radius: 24px;
    }

    .landing-hero {
        padding-bottom: 42px;
    }

    .lead-hero {
        gap: 34px;
    }

    .lead-photo {
        max-width: 260px;
        margin-right: auto;
        margin-left: auto;
    }

    .landing-list li,
    .pain-item,
    .what-card {
        align-items: flex-start;
    }

    .landing-form-card .btn,
    .form-success .btn,
    .mid-cta .btn {
        width: 100%;
    }

    .history-body {
        padding: 28px 24px;
    }

    .mid-cta {
        width: calc(100% - 24px);
        padding: 48px 22px;
        border-radius: 28px;
    }

    .footer-social {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer-bottom {
        flex-direction: column;
    }
}

@media (max-width: 540px) {
    .hero-copy h1,
    .page-hero h1 {
        font-size: 2.05rem;
    }

    .hero-actions,
    .hero-proof,
    .social-links {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-actions .btn,
    .social-link,
    .sticky-fab .btn,
    .form-tabs {
        width: 100%;
    }

    .form-tabs {
        display: grid;
        grid-template-columns: 1fr;
    }

    .form-tab {
        width: 100%;
    }

    .lead-credentials,
    .inst-tags {
        flex-direction: column;
    }

    .landing-header .nav-wrap {
        min-height: 70px;
    }

    .landing-badge {
        display: none;
    }

    .landing-hero h1 {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .metric-value {
        font-size: 2.25rem;
    }

    .countdown {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .sticky-fab {
        left: 12px;
        right: 12px;
        bottom: 14px;
        transform: none;
    }
}

@media (max-width: 400px) {
    .container,
    .container-sm {
        padding: 0 14px;
    }

    .history-body,
    .form-card,
    .contact-panel,
    .landing-form-card,
    .diagnostic-card {
        padding: 22px 16px;
    }

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