:root {
    --color-ipn: #6c173f;
    --color-ipn-dark: #4d0f2d;
    --color-escom: #0876b9;
    --color-escom-dark: #075b8d;
    --color-text: #243041;
    --color-muted: #667085;
    --color-border: #dfe4ea;
    --color-background: #f3f5f8;
    --color-surface: #ffffff;
    --color-error: #b42318;
    --color-success: #087443;
    --shadow-header: 0 2px 7px rgba(16, 24, 40, 0.08);
    --shadow-panel: 0 20px 50px rgba(16, 24, 40, 0.1);
    --radius-large: 18px;
    --radius-medium: 12px;
    --transition: 180ms ease;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    min-width: 320px;
    min-height: 100%;
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--color-text);
    background: var(--color-background);
    font-family: "Lato", Arial, sans-serif;
    line-height: 1.5;
}

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

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

a {
    color: inherit;
}

.register-body {
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Encabezado oficial de Gobierno de México */
.gob-header {
    position: relative;
    z-index: 110;
    width: 100%;
    min-height: 58px;
    color: #fff;
    background: #611232;
}

.gob-header__inner {
    width: min(100% - 48px, 1380px);
    min-height: 58px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.gob-header__logo {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    border-radius: 5px;
}

.gob-header__logo img {
    width: auto;
    height: 38px;
}

.gob-header__nav {
    display: flex;
    align-items: center;
    gap: 28px;
}

.gob-header__nav a {
    color: #fff;
    font-size: 0.94rem;
    text-decoration: none;
    transition: opacity var(--transition);
}

.gob-header__logo:hover,
.gob-header__nav a:hover {
    opacity: 0.78;
}

.gob-header__search {
    min-width: 28px;
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

/* Encabezado común para register.php, registerAlumno.php y registerEmpresa.php */
.register-header {
    position: sticky;
    top: 0;
    z-index: 100;
    width: 100%;
    min-height: 72px;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid #e7e9ed;
    box-shadow: var(--shadow-header);
}

.register-header__inner {
    width: min(100% - 48px, 1380px);
    min-height: 71px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.register-header__brands {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 20px;
}

.register-header__institution-link,
.register-header__escom-link {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    border-radius: 6px;
    transition: opacity var(--transition), box-shadow var(--transition);
}

.register-header__institution-link:hover,
.register-header__escom-link:hover {
    opacity: 0.78;
}

.register-header__institutional-logo {
    width: auto;
    height: 50px;
    object-fit: contain;
}

.register-header__divider {
    width: 1px;
    height: 35px;
    flex: 0 0 1px;
    background: #cfd4dc;
}

.register-header__escom-logo {
    width: auto;
    height: 45px;
    object-fit: contain;
}

.register-header__section {
    flex: 0 0 auto;
    color: #8993a3;
    font-family: "Montserrat", Arial, sans-serif;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* Contenedor común */
.register-page {
    position: relative;
    isolation: isolate;
    width: 100%;
    flex: 1 0 auto;
    padding: 52px 24px 36px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.register-page::before,
.register-page::after {
    position: fixed;
    z-index: -1;
    content: "";
    pointer-events: none;
    border-radius: 50%;
    filter: blur(1px);
}

.register-page::before {
    top: 170px;
    right: -150px;
    width: 420px;
    height: 420px;
    background: rgba(8, 118, 185, 0.055);
}

.register-page::after {
    bottom: -210px;
    left: -160px;
    width: 440px;
    height: 440px;
    background: rgba(108, 23, 63, 0.055);
}

.register-panel {
    width: min(100%, 1040px);
    padding: 44px;
    background: var(--color-surface);
    border: 1px solid rgba(223, 228, 234, 0.9);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-panel);
}

.register-panel--selector {
    overflow: hidden;
}

.register-intro {
    max-width: 720px;
    margin: 0 auto 34px;
    text-align: center;
}

.register-kicker {
    display: inline-block;
    margin-bottom: 8px;
    color: var(--color-ipn);
    font-family: "Montserrat", Arial, sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.register-title {
    margin: 0;
    color: #1d2939;
    font-family: "Montserrat", Arial, sans-serif;
    font-size: clamp(1.75rem, 3vw, 2.35rem);
    font-weight: 700;
    line-height: 1.18;
}

.register-description {
    max-width: 620px;
    margin: 14px auto 0;
    color: var(--color-muted);
    font-size: 1.02rem;
}

/* Selector de tipo de cuenta */
.account-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.account-card {
    --card-accent: var(--color-ipn);
    --card-soft: #f8edf2;
    position: relative;
    min-height: 320px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    overflow: hidden;
    color: var(--color-text);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 16px;
    text-decoration: none;
    transition:
        transform var(--transition),
        border-color var(--transition),
        box-shadow var(--transition);
}

.account-card::before {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 4px;
    content: "";
    background: var(--card-accent);
}

.account-card--student {
    --card-accent: var(--color-ipn);
    --card-soft: #f8edf2;
}

.account-card--company {
    --card-accent: var(--color-escom);
    --card-soft: #eaf6fc;
}

.account-card:hover {
    transform: translateY(-4px);
    border-color: var(--card-accent);
    box-shadow: 0 16px 28px rgba(16, 24, 40, 0.11);
}

.account-card__icon {
    width: 58px;
    height: 58px;
    margin-bottom: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--card-accent);
    background: var(--card-soft);
    border-radius: 14px;
    font-size: 1.55rem;
}

.account-card__content {
    display: block;
}

.account-card__title,
.account-card__description,
.account-card__detail,
.account-card__action {
    display: block;
}

.account-card__title {
    margin-bottom: 10px;
    color: #1d2939;
    font-family: "Montserrat", Arial, sans-serif;
    font-size: 1.28rem;
    font-weight: 700;
}

.account-card__description {
    color: var(--color-muted);
    line-height: 1.6;
}

.account-card__detail {
    margin: 20px 0 24px;
    display: flex;
    align-items: flex-start;
    gap: 9px;
    color: #475467;
    font-size: 0.88rem;
    line-height: 1.45;
}

.account-card__detail i {
    margin-top: 3px;
    color: var(--card-accent);
}

.account-card__action {
    width: 100%;
    margin-top: auto;
    padding-top: 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    color: var(--card-accent);
    border-top: 1px solid #edf0f3;
    font-weight: 700;
}

.account-card__action i {
    transition: transform var(--transition);
}

.account-card:hover .account-card__action i {
    transform: translateX(4px);
}

.register-login {
    margin-top: 30px;
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px;
    color: var(--color-muted);
    border-top: 1px solid #edf0f3;
    text-align: center;
}

.register-login a {
    color: var(--color-ipn);
    font-weight: 700;
    text-underline-offset: 3px;
}

.register-footer {
    padding: 0 24px 24px;
    color: #7b8492;
    font-size: 0.82rem;
    text-align: center;
}

.register-footer p {
    margin: 0;
}

/* Componentes compartidos por los formularios de alumno y empresa */
.register-alert {
    margin: 0 0 24px;
    padding: 13px 16px;
    border: 1px solid transparent;
    border-radius: 10px;
    font-size: 0.94rem;
}

.register-alert--error {
    color: #8a1c13;
    background: #fef3f2;
    border-color: #fecdca;
}

.register-alert--success {
    color: #05603a;
    background: #ecfdf3;
    border-color: #abefc6;
}

.registration-form {
    display: grid;
    gap: 30px;
}

.form-section {
    padding: 26px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
}

.form-section__header {
    margin-bottom: 22px;
    padding-bottom: 14px;
    border-bottom: 1px solid #edf0f3;
}

.form-section__title {
    margin: 0;
    color: #1d2939;
    font-family: "Montserrat", Arial, sans-serif;
    font-size: 1.08rem;
    font-weight: 700;
}

.form-section__description {
    margin: 5px 0 0;
    color: var(--color-muted);
    font-size: 0.9rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.form-group {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.form-group--full {
    grid-column: 1 / -1;
}

.form-label {
    color: #344054;
    font-size: 0.9rem;
    font-weight: 700;
}

.form-required {
    color: var(--color-error);
}

.form-control {
    width: 100%;
    min-height: 46px;
    padding: 10px 13px;
    color: var(--color-text);
    background: #fff;
    border: 1px solid #cfd6df;
    border-radius: 9px;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}

textarea.form-control {
    min-height: 112px;
    resize: vertical;
}

.form-control::placeholder {
    color: #98a2b3;
}

.form-control:hover {
    border-color: #aeb8c5;
}

.form-control:focus {
    border-color: var(--color-escom);
    box-shadow: 0 0 0 3px rgba(8, 118, 185, 0.14);
}

.form-control[aria-invalid="true"],
.form-control.is-invalid {
    border-color: var(--color-error);
}

.form-help,
.form-error {
    margin: 0;
    font-size: 0.8rem;
}

.form-help {
    color: var(--color-muted);
}

.form-error {
    color: var(--color-error);
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: #475467;
    font-size: 0.9rem;
}

.form-check input {
    width: 17px;
    height: 17px;
    margin: 3px 0 0;
    accent-color: var(--color-ipn);
}

.form-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 12px;
}

.register-button {
    min-height: 46px;
    padding: 11px 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    border: 1px solid transparent;
    border-radius: 9px;
    cursor: pointer;
    font-weight: 700;
    text-decoration: none;
    transition:
        background-color var(--transition),
        border-color var(--transition),
        box-shadow var(--transition),
        transform var(--transition);
}

.register-button:hover {
    transform: translateY(-1px);
}

.register-button--primary {
    color: #fff;
    background: var(--color-ipn);
}

.register-button--primary:hover {
    background: var(--color-ipn-dark);
}

.register-button--secondary {
    color: #344054;
    background: #fff;
    border-color: #cfd6df;
}

.register-button--secondary:hover {
    background: #f8fafc;
    border-color: #aeb8c5;
}

.register-button:disabled {
    opacity: 0.58;
    cursor: not-allowed;
    transform: none;
}

.register-back-link {
    margin-bottom: 18px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-muted);
    font-size: 0.9rem;
    font-weight: 700;
    text-decoration: none;
}

.register-back-link:hover {
    color: var(--color-ipn);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid rgba(8, 118, 185, 0.28);
    outline-offset: 3px;
}

@media (max-width: 760px) {
    .gob-header,
    .gob-header__inner {
        min-height: 54px;
    }

    .gob-header__inner {
        width: min(100% - 28px, 1380px);
    }

    .gob-header__logo img {
        height: 34px;
    }

    .gob-header__nav {
        gap: 18px;
    }

    .gob-header__nav a {
        font-size: 0.86rem;
    }

    .register-header {
        min-height: 66px;
    }

    .register-header__inner {
        width: min(100% - 28px, 1380px);
        min-height: 64px;
        gap: 14px;
    }

    .register-header__brands {
        gap: 12px;
    }

    .register-header__institutional-logo {
        height: 34px;
    }

    .register-header__divider {
        height: 30px;
    }

    .register-header__escom-logo {
        height: 31px;
    }

    .register-header__section {
        font-size: 0.68rem;
    }

    .register-page {
        padding: 30px 16px 24px;
    }

    .register-panel {
        padding: 30px 22px;
        border-radius: 15px;
    }

    .register-intro {
        margin-bottom: 26px;
    }

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

    .account-card {
        min-height: auto;
        padding: 24px;
    }

    .form-section {
        padding: 21px;
    }
}

@media (max-width: 480px) {
    .gob-header__nav a:not(.gob-header__search) {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }

    .gob-header__logo img {
        height: 31px;
    }

    .register-header__institutional-logo {
        height: 29px;
    }

    .register-header__escom-logo {
        height: 27px;
    }

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

    .register-panel {
        padding: 26px 18px;
    }

    .register-description {
        font-size: 0.95rem;
    }

    .account-card {
        padding: 22px;
    }

    .form-section {
        padding: 18px;
    }

    .form-actions,
    .register-button {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: 0.01ms;
        animation-duration: 0.01ms;
        animation-iteration-count: 1;
    }
}

/* ==========================================================
   REGISTRO DE EMPRESAS
   ========================================================== */
.register-panel--company {
    width: min(100%, 1180px);
}

.register-notice--company {
    color: #4b2640;
    background: #fbf2f6;
    border-color: #ead0dc;
}

.register-notice--company i {
    color: var(--color-ipn);
}

.registration-progress {
    margin: 0 0 28px;
    padding: 14px;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 8px;
    background: #f8fafc;
    border: 1px solid #e3e8ef;
    border-radius: 12px;
    list-style: none;
}

.registration-progress li {
    min-width: 0;
    padding: 9px 7px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: #667085;
    border-radius: 8px;
    font-size: 0.78rem;
    text-align: center;
}

.registration-progress li span {
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 24px;
    color: var(--color-ipn);
    background: #f3e6ec;
    border-radius: 50%;
    font-family: "Montserrat", Arial, sans-serif;
    font-size: 0.69rem;
    font-weight: 700;
}

.registration-progress li strong {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.form-grid--passwords {
    margin-top: 20px;
}

.form-group--span-2 {
    grid-column: span 2;
}

.form-control--uppercase {
    text-transform: uppercase;
}

.input-prefix {
    position: relative;
}

.input-prefix > span {
    position: absolute;
    top: 50%;
    left: 14px;
    z-index: 1;
    color: #667085;
    pointer-events: none;
    transform: translateY(-50%);
}

.input-prefix .form-control {
    padding-left: 31px;
}

.file-upload-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
}

.file-upload-field {
    position: relative;
}

.file-upload-heading {
    min-height: 27px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.file-badge {
    padding: 4px 8px;
    color: #075985;
    background: #e8f5fc;
    border-radius: 999px;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.file-badge--pdf {
    color: #9f1f17;
    background: #feeceb;
}

.file-input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
}

.file-dropzone {
    position: relative;
    min-height: 238px;
    padding: 28px 22px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 7px;
    overflow: hidden;
    color: #667085;
    background:
        radial-gradient(circle at top right, rgba(8, 118, 185, 0.08), transparent 42%),
        #fbfdff;
    border: 2px dashed #bdc7d3;
    border-radius: 13px;
    cursor: pointer;
    text-align: center;
    transition:
        color var(--transition),
        background-color var(--transition),
        border-color var(--transition),
        box-shadow var(--transition),
        transform var(--transition);
}

.file-dropzone--pdf {
    background:
        radial-gradient(circle at top right, rgba(108, 23, 63, 0.07), transparent 42%),
        #fffdfd;
}

.file-dropzone:hover,
.file-dropzone:focus-visible,
.file-dropzone.is-dragging {
    color: #344054;
    background-color: #f3faff;
    border-color: var(--color-escom);
    box-shadow: 0 0 0 4px rgba(8, 118, 185, 0.1);
    transform: translateY(-2px);
}

.file-dropzone--pdf:hover,
.file-dropzone--pdf:focus-visible,
.file-dropzone--pdf.is-dragging {
    background-color: #fff7fa;
    border-color: var(--color-ipn);
    box-shadow: 0 0 0 4px rgba(108, 23, 63, 0.1);
}

.file-dropzone.is-dragging {
    animation: dropzonePulse 900ms ease-in-out infinite alternate;
}

.file-dropzone.is-valid {
    color: #05603a;
    background: #f1fcf6;
    border-color: #12a064;
}

.file-dropzone.is-invalid,
.file-upload-field.has-error .file-dropzone {
    color: #8a1c13;
    background: #fff7f6;
    border-color: #d92d20;
}

.file-dropzone.is-checking {
    pointer-events: none;
    opacity: 0.72;
}

.file-dropzone.is-checking::after {
    position: absolute;
    inset: 0;
    content: "Verificando archivo…";
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 18px;
    color: var(--color-escom-dark);
    background: rgba(255, 255, 255, 0.72);
    font-size: 0.78rem;
    font-weight: 700;
    backdrop-filter: blur(2px);
}

.file-dropzone__icon {
    width: 58px;
    height: 58px;
    margin-bottom: 5px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-escom);
    background: #e8f5fc;
    border-radius: 15px;
    font-size: 1.65rem;
    transition: transform var(--transition);
}

.file-dropzone--pdf .file-dropzone__icon {
    color: #b42318;
    background: #feeceb;
}

.file-dropzone:hover .file-dropzone__icon,
.file-dropzone.is-dragging .file-dropzone__icon {
    transform: translateY(-3px) scale(1.04);
}

.file-dropzone strong {
    color: #344054;
    font-family: "Montserrat", Arial, sans-serif;
    font-size: 0.94rem;
}

.file-dropzone > span:not(.file-dropzone__icon):not(.file-dropzone__button) {
    font-size: 0.84rem;
}

.file-dropzone__button {
    margin: 7px 0 3px;
    padding: 8px 13px;
    color: var(--color-escom-dark);
    background: #fff;
    border: 1px solid #b9d7e8;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 700;
}

.file-dropzone--pdf .file-dropzone__button {
    color: var(--color-ipn);
    border-color: #dfbdcc;
}

.file-dropzone small {
    color: #7b8492;
    font-size: 0.74rem;
}

.file-feedback {
    min-height: 64px;
    margin-top: 10px;
    padding: 10px 11px;
    display: flex;
    align-items: center;
    gap: 11px;
    background: #f5fbf8;
    border: 1px solid #a9e8c8;
    border-radius: 9px;
    animation: fileFeedbackIn 220ms ease-out;
}

.file-feedback.is-invalid {
    background: #fff7f6;
    border-color: #f1b9b3;
}

.file-feedback__image,
.file-feedback__document {
    width: 44px;
    height: 44px;
    flex: 0 0 44px;
    border-radius: 8px;
}

.file-feedback__image {
    object-fit: contain;
    background: #fff;
    border: 1px solid #dce4ea;
}

.file-feedback__document {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #087443;
    background: #dcfae6;
    font-size: 1.2rem;
}

.file-feedback__document--pdf {
    color: #b42318;
    background: #fee4e2;
}

.file-feedback:has(.file-feedback__image:not([hidden])) .file-feedback__document {
    display: none;
}

.file-feedback__content {
    min-width: 0;
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
}

.file-feedback__content strong,
.file-feedback__content span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-feedback__content strong {
    color: #344054;
    font-size: 0.84rem;
}

.file-feedback__content span {
    color: #667085;
    font-size: 0.75rem;
}

.file-feedback__remove {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 34px;
    color: #667085;
    background: transparent;
    border: 0;
    border-radius: 7px;
    cursor: pointer;
}

.file-feedback__remove:hover {
    color: #b42318;
    background: #feeceb;
}

.file-security-note {
    margin: 16px 0 0;
    padding: 11px 13px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    color: #6b4f16;
    background: #fffaeb;
    border: 1px solid #fedf89;
    border-radius: 8px;
    font-size: 0.8rem;
}

@keyframes dropzonePulse {
    from {
        transform: translateY(-2px) scale(1);
    }
    to {
        transform: translateY(-2px) scale(1.008);
    }
}

@keyframes fileFeedbackIn {
    from {
        opacity: 0;
        transform: translateY(-5px) scale(0.99);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@media (max-width: 980px) {
    .registration-progress {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .file-upload-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .registration-progress {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .registration-progress li:last-child {
        grid-column: 1 / -1;
    }

    .form-group--span-2 {
        grid-column: auto;
    }

    .file-dropzone {
        min-height: 220px;
    }
}

@media (max-width: 480px) {
    .registration-progress {
        grid-template-columns: 1fr;
    }

    .registration-progress li,
    .registration-progress li:last-child {
        grid-column: auto;
        justify-content: flex-start;
        text-align: left;
    }
}

@media (prefers-reduced-motion: reduce) {
    .file-dropzone.is-dragging,
    .file-feedback {
        animation: none;
    }
}

/* ==========================================================
   FORMULARIOS DE REGISTRO: ALUMNO Y EMPRESA
   ========================================================== */
[hidden] {
    display: none !important;
}

.register-page--form {
    padding-top: 38px;
}

.register-panel--form {
    width: min(100%, 1080px);
}

.register-intro--form {
    margin-bottom: 28px;
}

.register-notice {
    padding: 14px 16px;
    display: flex;
    align-items: flex-start;
    gap: 11px;
    color: #17496a;
    background: #eef8fd;
    border: 1px solid #c9e8f8;
    border-radius: 10px;
    font-size: 0.91rem;
}

.register-notice i {
    margin-top: 4px;
    color: var(--color-escom);
}

.register-notice p {
    margin: 0;
}

.form-section__header {
    display: flex;
    align-items: flex-start;
    gap: 13px;
}

.form-section__number {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 32px;
    color: #fff;
    background: var(--color-ipn);
    border-radius: 50%;
    font-family: "Montserrat", Arial, sans-serif;
    font-size: 0.82rem;
    font-weight: 700;
}

.form-grid--three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.field-optional {
    margin-left: 5px;
    color: #7b8492;
    font-size: 0.72rem;
    font-weight: 400;
}

.select-wrap,
.password-input-wrap {
    position: relative;
}

.select-wrap select {
    padding-right: 40px;
    appearance: none;
}

.select-wrap > i {
    position: absolute;
    top: 50%;
    right: 14px;
    color: #7c8798;
    pointer-events: none;
    transform: translateY(-50%);
}

.form-control.is-invalid {
    color: #7a271a;
    background-color: #fffafa;
    border-color: #d92d20;
    box-shadow: 0 0 0 3px rgba(217, 45, 32, 0.09);
}

.form-control.is-valid {
    border-color: #12a064;
    box-shadow: 0 0 0 3px rgba(18, 160, 100, 0.08);
}

.form-group.has-error .form-label {
    color: #912018;
}

.form-error:not([hidden]) {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    animation: fieldErrorIn 180ms ease-out;
}

.form-error:not([hidden])::before {
    margin-top: 1px;
    content: "\f06a";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
}

.error-summary {
    margin-bottom: 26px;
    padding: 17px 18px;
    display: flex;
    align-items: flex-start;
    gap: 13px;
    color: #7a271a;
    background: #fff4f2;
    border: 1px solid #f7c3bd;
    border-left: 4px solid #d92d20;
    border-radius: 10px;
}

.error-summary:focus {
    outline: 3px solid rgba(217, 45, 32, 0.16);
    outline-offset: 3px;
}

.error-summary__icon {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 32px;
    color: #fff;
    background: #d92d20;
    border-radius: 50%;
}

.error-summary h2 {
    margin: 0;
    font-family: "Montserrat", Arial, sans-serif;
    font-size: 0.98rem;
}

.error-summary p {
    margin: 3px 0 7px;
    font-size: 0.88rem;
}

.error-summary ul {
    margin: 0;
    padding-left: 20px;
    font-size: 0.86rem;
}

.error-summary__link {
    margin: 0;
    padding: 1px 0;
    color: inherit;
    background: transparent;
    border: 0;
    cursor: pointer;
    text-align: left;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.form-control--password {
    padding-right: 48px;
}

.password-toggle {
    position: absolute;
    top: 50%;
    right: 5px;
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #697586;
    background: transparent;
    border: 0;
    border-radius: 7px;
    cursor: pointer;
    transform: translateY(-50%);
    transition: color var(--transition), background-color var(--transition);
}

.password-toggle:hover {
    color: var(--color-escom-dark);
    background: #edf6fb;
}

.password-feedback {
    margin-top: 22px;
    padding: 20px;
    background: #f8fafc;
    border: 1px solid #e3e8ef;
    border-radius: 11px;
}

.password-strength__heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    color: #475467;
    font-size: 0.82rem;
}

.password-strength__heading strong {
    color: #667085;
}

.password-strength__track {
    height: 6px;
    margin-top: 9px;
    overflow: hidden;
    background: #e4e8ee;
    border-radius: 999px;
}

.password-strength__track span {
    display: block;
    width: 0;
    height: 100%;
    background: #98a2b3;
    border-radius: inherit;
    transition: width 240ms ease, background-color 240ms ease;
}

.password-feedback[data-score="1"] .password-strength__track span {
    background-color: #d92d20;
}

.password-feedback[data-score="1"] .password-strength__heading strong {
    color: #b42318;
}

.password-feedback[data-score="2"] .password-strength__track span {
    background-color: #f79009;
}

.password-feedback[data-score="2"] .password-strength__heading strong {
    color: #b54708;
}

.password-feedback[data-score="3"] .password-strength__track span {
    background-color: #2e90fa;
}

.password-feedback[data-score="3"] .password-strength__heading strong {
    color: #175cd3;
}

.password-feedback[data-score="4"] .password-strength__track span {
    background-color: #12a064;
}

.password-feedback[data-score="4"] .password-strength__heading strong {
    color: #067647;
}

.password-requirements {
    margin: 17px 0 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
    list-style: none;
}

.password-requirement {
    min-height: 42px;
    padding: 9px 11px;
    display: flex;
    align-items: center;
    gap: 9px;
    color: #667085;
    background: #fff;
    border: 1px solid #e4e8ee;
    border-radius: 8px;
    font-size: 0.82rem;
    transition:
        color var(--transition),
        background-color var(--transition),
        border-color var(--transition),
        transform var(--transition);
}

.password-requirement__icon {
    width: 21px;
    height: 21px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 21px;
    color: #98a2b3;
    background: #f2f4f7;
    border-radius: 50%;
    font-size: 0.65rem;
}

.password-requirement.is-pending {
    color: #8a1c13;
    background: #fffafa;
    border-color: #f2c7c2;
}

.password-requirement.is-pending .password-requirement__icon {
    color: #b42318;
    background: #fee4e2;
}

.password-requirement.is-met {
    color: #05603a;
    background: #f0fdf6;
    border-color: #a9e8c8;
    transform: translateY(-1px);
    animation: requirementMet 220ms ease-out;
}

.password-requirement.is-met .password-requirement__icon {
    color: #fff;
    background: #12a064;
}

.password-match {
    min-height: 19px;
    margin: 2px 0 0;
    font-size: 0.8rem;
    font-weight: 700;
}

.password-match.is-match {
    color: var(--color-success);
}

.password-match.is-mismatch {
    color: var(--color-error);
}

.form-consent {
    padding: 17px 18px;
    background: #fafbfc;
    border: 1px solid var(--color-border);
    border-radius: 10px;
}

.form-consent.has-error {
    background: #fffafa;
    border-color: #f1b9b3;
}

.form-check a {
    color: var(--color-escom-dark);
    font-weight: 700;
    text-underline-offset: 2px;
}

.form-actions--stacked {
    flex-direction: column;
}

.register-button--wide {
    width: min(100%, 420px);
}

.form-actions__note {
    margin: 0;
    color: #7b8492;
    font-size: 0.8rem;
    text-align: center;
}

.button-label,
.button-loading {
    align-items: center;
    justify-content: center;
    gap: 9px;
}

.button-label {
    display: inline-flex;
}

.button-loading {
    display: none;
}

.registration-form.is-submitting .button-label {
    display: none;
}

.registration-form.is-submitting .button-loading {
    display: inline-flex;
}

@keyframes fieldErrorIn {
    from {
        opacity: 0;
        transform: translateY(-3px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes requirementMet {
    0% {
        transform: scale(0.98);
    }
    60% {
        transform: scale(1.015);
    }
    100% {
        transform: translateY(-1px) scale(1);
    }
}

@media (max-width: 900px) {
    .form-grid--three {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .register-page--form {
        padding-top: 26px;
    }

    .register-panel--form {
        padding-right: 18px;
        padding-left: 18px;
    }

    .form-grid--three,
    .password-requirements {
        grid-template-columns: 1fr;
    }

    .error-summary {
        padding: 15px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .form-error:not([hidden]),
    .password-requirement.is-met {
        animation: none;
    }

    .password-strength__track span {
        transition: none;
    }
}