/* IMPORTACIÓN DE FUENTE MAESTRA BLINDADA (misma que mafestudio.com) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;800&display=swap');

:root {
    --bg-color: #FAFAFA;
    --text-color: #111111;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    width: 100%;
}

/* -----------------------------
   NAVEGACIÓN (idéntica a la web madre, simplificada)
------------------------------ */
.nav-bar { position: fixed; top: 0; left: 0; width: 100%; padding: 2.5rem 4rem; display: flex; justify-content: space-between; align-items: center; z-index: 9999; mix-blend-mode: difference; color: white; }
.nav-logo { height: 60px; width: auto; display: block; transition: opacity 0.3s ease; filter: invert(1); }
.nav-logo:hover { opacity: 0.6; }
.nav-back { color: inherit; text-decoration: none; font-size: 0.85rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1); }
.nav-back:hover { transform: scale(1.1); font-weight: 800; }

/* -----------------------------
   BARRA DE PROGRESO
------------------------------ */
.progress-track { position: fixed; top: 0; left: 0; width: 100%; height: 3px; background: rgba(0,0,0,0.08); z-index: 10000; }
.progress-fill { height: 100%; width: 0%; background: var(--text-color); transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1); }

/* -----------------------------
   LAYOUT GENERAL
------------------------------ */
.briefing-wrap { max-width: 860px; margin: 0 auto; padding: 14rem 4rem 8rem; min-height: 100vh; }

.page-title { font-size: 6vw; font-weight: 800; letter-spacing: -0.04em; line-height: 1; margin-bottom: 4rem; }
.grow-line { width: 100%; height: 1px; background-color: rgba(0,0,0,0.1); margin: 3rem 0; }
.large-intro { font-size: 1.6rem; line-height: 1.4; font-weight: 300; letter-spacing: -0.02em; margin-bottom: 3rem; }

/* -----------------------------
   PASOS DEL WIZARD
------------------------------ */
.step { display: none; }
.step.is-active { display: block; animation: stepIn 0.6s cubic-bezier(0.16, 1, 0.3, 1); }
@keyframes stepIn { from { opacity: 0; transform: translateY(25px); } to { opacity: 1; transform: translateY(0); } }

.step-eyebrow { display: block; font-size: 0.8rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.1em; opacity: 0.4; margin-bottom: 1.5rem; }
.step-title { font-size: 3.2rem; font-weight: 600; letter-spacing: -0.03em; line-height: 1.05; margin-bottom: 3rem; }
.step-hint { font-size: 1.1rem; font-weight: 300; opacity: 0.6; margin: -2rem 0 2.5rem; }

/* -----------------------------
   CAMPOS (estilo premium-form de la web madre)
------------------------------ */
input[type="text"], input[type="tel"], input[type="email"], input[type="url"], textarea {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(0,0,0,0.2);
    padding: 1rem 0;
    font-size: 1.2rem;
    font-weight: 300;
    color: var(--text-color);
    outline: none;
    margin-bottom: 2rem;
    transition: border-color 0.3s ease;
    border-radius: 0;
    -webkit-appearance: none;
}
input::placeholder, textarea::placeholder { color: rgba(0,0,0,0.3); }
input:focus, textarea:focus { border-bottom-color: var(--text-color); }
textarea { resize: vertical; min-height: 110px; }

/* Campo inválido tras intentar avanzar */
.show-errors input:invalid, .show-errors textarea:invalid { border-bottom-color: #b3392f; }
.show-errors input:invalid::placeholder, .show-errors textarea:invalid::placeholder { color: rgba(179,57,47,0.6); }

.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 3rem; }

/* -----------------------------
   PILLS (mismo lenguaje que budget-options de contacto)
------------------------------ */
.form-subtitle { font-size: 0.9rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 1.5rem; opacity: 0.6; }
.pill-options { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-bottom: 3rem; }
.pill-label input { display: none; }
.pill {
    display: inline-block;
    border: 1px solid rgba(0,0,0,0.2);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    user-select: none;
}
.pill-label:hover .pill { border-color: var(--text-color); }
.pill-label input:checked + .pill { background-color: var(--text-color); color: var(--bg-color); border-color: var(--text-color); }
.pill-options-big .pill { padding: 1.1rem 2rem; font-size: 1rem; }

/* Grupo obligatorio sin respuesta */
.show-errors .pill-options.group-error .pill { border-color: rgba(179,57,47,0.5); }

/* -----------------------------
   BOTONES
------------------------------ */
.step-nav { display: flex; align-items: center; gap: 1.5rem; margin-top: 1rem; }
.submit-btn {
    background: var(--text-color);
    color: var(--bg-color);
    border: none;
    padding: 1.2rem 3rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: transform 0.3s ease, opacity 0.3s ease;
}
.submit-btn:hover { transform: scale(1.05); opacity: 0.8; }
.submit-btn:disabled { opacity: 0.4; cursor: wait; transform: none; }
.ghost-btn {
    background: transparent;
    color: var(--text-color);
    border: 1px solid rgba(0,0,0,0.2);
    padding: 1.2rem 2.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 50px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
}
.ghost-btn:hover { border-color: var(--text-color); }

.send-error { margin-top: 2rem; font-size: 1rem; color: #b3392f; }
.send-error a { color: inherit; font-weight: 600; }

/* -----------------------------
   RGPD Y HONEYPOT
------------------------------ */
.rgpd-check { display: flex; align-items: flex-start; gap: 1rem; font-size: 0.95rem; font-weight: 300; line-height: 1.5; margin: 1rem 0 3rem; cursor: pointer; }
.rgpd-check input { width: 18px; height: 18px; margin-top: 3px; flex-shrink: 0; accent-color: var(--text-color); }
.rgpd-check a { color: inherit; font-weight: 500; }
.show-errors .rgpd-check:has(input:invalid) span { color: #b3392f; }

.hp-field { position: absolute; left: -9999px; top: -9999px; opacity: 0; height: 0; overflow: hidden; }

/* -----------------------------
   FOOTER (idéntico a la web madre)
------------------------------ */
footer { padding: 4rem 4rem 2rem; background: var(--text-color); color: var(--bg-color); }
.footer-bottom { display: flex; justify-content: space-between; font-size: 0.9rem; opacity: 0.6; }
.footer-bottom a { color: inherit; text-decoration: none; }
.socials a { color: var(--bg-color); text-decoration: none; margin-left: 1rem; transition: opacity 0.3s; }
.socials a:hover { opacity: 0.5; }

/* -----------------------------
   PÁGINA DE PRIVACIDAD
------------------------------ */
.legal-page { max-width: 860px; margin: 0 auto; padding: 12rem 4rem 6rem; }
.legal-page h1 { font-size: 3rem; font-weight: 700; letter-spacing: -0.03em; margin-bottom: 3rem; }
.legal-page h2 { font-size: 1.3rem; font-weight: 600; margin: 2.5rem 0 1rem; }
.legal-page p, .legal-page li { font-size: 1.05rem; font-weight: 300; line-height: 1.7; opacity: 0.8; margin-bottom: 1rem; }
.legal-page ul { padding-left: 1.5rem; }

/* =========================================================
   RESPONSIVE MÓVIL (mobile first en prioridad de uso)
========================================================= */
@media (max-width: 768px) {
    .nav-bar { padding: 1.5rem; }
    .nav-logo { height: 35px; }
    .nav-back { font-size: 0.75rem; }

    .briefing-wrap { padding: 9rem 1.5rem 5rem; }
    .page-title { font-size: 13vw; margin-bottom: 2.5rem; }
    .large-intro { font-size: 1.25rem; }
    .step-title { font-size: 2.1rem; margin-bottom: 2rem; }
    .step-hint { font-size: 1rem; }

    .field-grid { grid-template-columns: 1fr; gap: 0; }
    input[type="text"], input[type="tel"], input[type="email"], input[type="url"], textarea { font-size: 1.1rem; }

    .pill { padding: 0.7rem 1.2rem; font-size: 0.8rem; }
    .pill-options-big .pill { padding: 0.9rem 1.5rem; font-size: 0.9rem; }
    .pill-options { gap: 0.6rem; margin-bottom: 2.5rem; }

    .step-nav { flex-direction: column-reverse; align-items: stretch; }
    .submit-btn, .ghost-btn { width: 100%; text-align: center; }

    footer { padding: 3rem 1.5rem 2rem; }
    .footer-bottom { flex-direction: column; align-items: flex-start; gap: 1.5rem; }
    .footer-bottom .socials { display: flex; flex-wrap: wrap; gap: 1rem; }
    .footer-bottom .socials a { margin-left: 0; margin-right: 1.2rem; }

    .legal-page { padding: 8rem 1.5rem 4rem; }
    .legal-page h1 { font-size: 2.2rem; }
}