:root {
    --azul: #101731;
    --negro: #000000;
    --blanco: #ffffff;
    --rosa: #d81b60;
    --rosa-oscuro: #a4144a;
    --rosa-suave: rgba(216, 27, 96, .075);
    --rosa-borde: rgba(216, 27, 96, .30);
    --borde: rgba(0, 0, 0, .18);
    --sombra: 0 18px 42px rgba(16, 23, 49, .06);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: #ffffff;
    color: #000000;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    font-weight: 500;
}

body::selection { background: rgba(216, 27, 96, .18); }

.page-shell {
    width: min(100% - 48px, 1280px);
    margin: 0 auto;
    padding: 34px 0 112px;
}

.hero {
    display: grid;
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 30px;
    align-items: start;
    margin-bottom: 16px;
}

.brand-box {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 10px;
    min-height: 112px;
}

.municipal-logo {
    width: 160px;
    height: auto;
    display: block;
}

.logo-fallback {
    display: none;
    color: #008cd2;
    font-family: Raleway, system-ui, sans-serif;
    font-size: 1.25rem;
    font-weight: 900;
    line-height: 1.05;
    max-width: 160px;
}

.hero-content {
    min-width: 0;
    padding-top: 0;
}

.brand-badges {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 7px;
}

.ribbon-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 12px;
    border-radius: 999px;
    border: 1px solid var(--rosa-borde);
    background: var(--rosa-suave);
    color: var(--rosa-oscuro) !important;
    font-family: Raleway, system-ui, sans-serif;
    font-weight: 900;
    font-size: .84rem;
    white-space: nowrap;
}


h1, h2, h3 {
    font-family: Raleway, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    color: #000000;
    margin: 0;
    font-weight: 900;
    letter-spacing: -0.032em;
}

h1 {
    max-width: none;
    font-size: clamp(1.55rem, 2.05vw, 2.18rem);
    line-height: 1.03;
    white-space: nowrap;
}

.notice {
    margin: 18px 0 0;
    padding: 13px 16px;
    border: 1px solid var(--rosa-borde);
    background: var(--rosa-suave);
    border-radius: 14px;
    line-height: 1.35;
}

.layout-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.18fr) minmax(330px, .72fr);
    gap: 18px;
    align-items: start;
}

.form-stack {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.card,
.result-card {
    border: 1px solid rgba(0,0,0,.16);
    border-radius: 16px;
    background: #ffffff;
    box-shadow: var(--sombra);
}

.card {
    padding: 15px 16px 16px;
}

.card h2 {
    font-size: 1.06rem;
    margin-bottom: 12px;
    letter-spacing: -0.025em;
}

.form-grid {
    display: grid;
    gap: 16px 14px;
}

.form-grid.three-cols { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.form-grid.two-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-grid .full { grid-column: 1 / -1; }
.roomy-grid { row-gap: 20px; }
.menstrual-field { margin-top: 18px; }

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

.field > span,
.switch-label {
    font-size: .9rem;
    line-height: 1.25;
    font-weight: 720;
    color: rgba(0,0,0,.88);
}

input,
select {
    width: 100%;
    min-height: 42px;
    border: 1px solid rgba(0,0,0,.25);
    border-radius: 10px;
    background: #ffffff;
    color: #000000;
    padding: 9px 12px;
    font: inherit;
    font-weight: 600;
    outline: none;
}

select { cursor: pointer; }

input:focus,
select:focus {
    border-color: rgba(216, 27, 96, .55);
    box-shadow: 0 0 0 3px rgba(216, 27, 96, .10);
}

input:invalid,
select:invalid { border-color: rgba(216, 27, 96, .72); }

.unit-wrap {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 8px;
}

.unit-wrap input { min-width: 0; }
.unit-wrap span { font-weight: 900; color: rgba(0,0,0,.55); }

.imc-box {
    margin-top: 12px;
    margin-bottom: 6px;
    padding: 11px 14px;
    width: 100%;
    border: 1px solid rgba(0,0,0,.12);
    border-radius: 12px;
    background: rgba(255,255,255,.92);
    color: #000000;
    font-weight: 750;
}

.section-hint {
    margin: -3px 0 13px;
    font-size: .88rem;
    line-height: 1.35;
    color: rgba(0,0,0,.76);
}

.switch-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 12px 13px;
    border: 1px solid rgba(0,0,0,.12);
    border-radius: 12px;
    background: rgba(255,255,255,.94);
}

.second-switch { margin-top: 12px; }
.compact-switch { min-height: 52px; }

.switch-group {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex: 0 0 auto;
}

.switch-text {
    min-width: 22px;
    color: rgba(0,0,0,.68);
    font-weight: 900;
}

.switch {
    position: relative;
    display: inline-block;
    width: 46px;
    height: 26px;
}

.switch input { opacity: 0; width: 0; height: 0; }

.slider {
    position: absolute;
    inset: 0;
    cursor: pointer;
    background: rgba(0,0,0,.16);
    border-radius: 999px;
    transition: .18s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background: #ffffff;
    border-radius: 50%;
    box-shadow: 0 2px 6px rgba(0,0,0,.22);
    transition: .18s;
}

.switch input:checked + .slider { background: var(--rosa); }
.switch input:checked + .slider:before { transform: translateX(20px); }

.conditional-panel {
    margin-top: 10px;
    padding: 12px;
    border: 1px solid var(--rosa-borde);
    border-radius: 13px;
    background: var(--rosa-suave);
}

.hidden { display: none !important; }

.security-card { margin-bottom: 10px; }

.result-card {
    position: sticky;
    top: 24px;
    min-height: 260px;
    padding: 18px;
    border-color: var(--rosa-borde);
    background: linear-gradient(180deg, rgba(216,27,96,.055), rgba(216,27,96,.025));
}

.result-kicker {
    display: inline-flex;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid var(--rosa-borde);
    background: var(--rosa-suave);
    color: var(--rosa-oscuro);
    font-family: Raleway, system-ui, sans-serif;
    font-weight: 900;
    font-size: .82rem;
    margin-bottom: 13px;
}

.result-content { display: flex; flex-direction: column; gap: 12px; }

.result-main {
    display: grid;
    place-items: center;
    min-height: 74px;
    border: 1px solid var(--rosa-borde);
    border-radius: 15px;
    background: rgba(255,255,255,.84);
    text-align: center;
}

.result-main strong {
    color: var(--rosa);
    font-family: Raleway, system-ui, sans-serif;
    font-size: clamp(1.55rem, 2.75vw, 2.2rem);
    line-height: 1.02;
    font-weight: 900;
    letter-spacing: -0.025em;
}

.result-main-alert strong {
    color: var(--rosa);
}

.result-line,
.next-step,
.orientation-note,
.result-loading,
.result-error {
    padding: 12px 13px;
    border: 1px solid rgba(216, 27, 96, .22);
    border-radius: 12px;
    background: rgba(255,255,255,.68);
    line-height: 1.36;
}

.result-line b,
.next-step b {
    color: var(--rosa-oscuro);
    font-weight: 850;
}
.next-step { background: rgba(255,255,255,.88); }
.orientation-note { font-size: .88rem; color: rgba(0,0,0,.68); }
.result-error strong { color: var(--rosa-oscuro); }

.tech-detail {
    border: 1px solid rgba(0,0,0,.10);
    border-radius: 12px;
    background: rgba(255,255,255,.66);
    padding: 10px 12px;
    font-size: .88rem;
}

.tech-detail summary {
    cursor: pointer;
    font-weight: 900;
    color: var(--rosa-oscuro);
}

.tech-detail p { margin: 8px 0 0; line-height: 1.35; }

.reference-links {
    margin: 18px 0 0;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    font-size: .88rem;
}

.reference-links a {
    color: var(--rosa-oscuro);
    font-weight: 900;
    text-decoration: none;
}

.reference-links a:hover { text-decoration: underline; }

.footer-informatica-final {
    position: fixed !important;
    left: 24px !important;
    right: 24px !important;
    bottom: 18px !important;
    z-index: 999999 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 7px !important;
    padding: 11px 18px !important;
    border-radius: 18px !important;
    border: 1px solid var(--rosa-borde) !important;
    background: rgba(216, 27, 96, .10) !important;
    color: var(--rosa-oscuro) !important;
    font-family: Raleway, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif !important;
    font-weight: 900 !important;
    font-size: .88rem !important;
    text-align: center !important;
    box-shadow: 0 8px 24px rgba(216, 27, 96, .16) !important;
    pointer-events: none !important;
}

.footer-informatica-final span { color: var(--rosa-oscuro) !important; }


/* Ajustes UX/UI: más jerarquía visual y menos peso general */
.card {
    padding: 14px 16px 17px;
}

.card h2 {
    color: rgba(0,0,0,.94);
}

.field > span,
.switch-label {
    letter-spacing: -0.01em;
}

.result-card {
    padding: 16px;
}

.result-main-range strong {
    font-size: clamp(1.18rem, 2.15vw, 1.78rem);
    letter-spacing: -0.018em;
}

.result-line,
.next-step,
.orientation-note,
.result-loading,
.result-error {
    padding: 10px 12px;
}

.result-line {
    font-size: .93rem;
}

.next-step {
    font-size: .92rem;
}

.tech-detail {
    font-size: .84rem;
}

@media (max-width: 960px) {
    .page-shell { width: min(100% - 28px, 760px); padding-top: 24px; }
    .hero { grid-template-columns: 1fr; gap: 14px; }
    .brand-box { min-height: unset; gap: 9px; }
    .brand-badges { flex-direction: row; flex-wrap: wrap; }
    .municipal-logo { width: 150px; }
    h1 { font-size: clamp(2rem, 8.2vw, 3rem); white-space: normal; }
    .notice { margin-top: 14px; }
    .layout-grid { grid-template-columns: 1fr; }
    .result-card { position: static; order: -1; }
    .form-grid.three-cols, .form-grid.two-cols { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
    .page-shell { width: min(100% - 22px, 540px); padding-bottom: 120px; }
    .card, .result-card { padding: 14px; border-radius: 15px; }
    .switch-row { align-items: flex-start; }
    .footer-informatica-final {
        left: 12px !important;
        right: 12px !important;
        bottom: 12px !important;
        padding: 10px 14px !important;
        font-size: .76rem !important;
        border-radius: 14px !important;
    }
}