/* =========================================================
   Karaoke Mundiamarillas — Página de marketing (principal.php)
   Misma paleta que index.css, pero es documento aparte (iframe)
   así que las variables se redefinen aquí.
   ========================================================= */
:root {
    --color-primary: #720846;
    --color-primary-light: #8e0a58;
    --color-black: #000000;
    --color-accent: #F3AD10;
    --color-accent-hover: #f46c1B;
    --color-bg: #ffffff;
    --color-bg-alt: #f4f4f4;
    --color-text: #222222;
    --color-text-muted: #555555;

    --radius: 8px;
    --font-body: Arial, 'Segoe UI', sans-serif;
    --max-width: 1100px;
}

* { box-sizing: border-box; }

body.pagina-principal {
    margin: 0;
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.5;
}

section {
    padding: 60px 24px;
}

h1, h2, h3 {
    margin: 0 0 12px;
}

.section-lead {
    text-align: center;
    color: var(--color-text-muted);
    margin-top: -6px;
    margin-bottom: 40px;
}

/* ===================== BOTONES (mismo estilo que la landing) ===================== */
.btn {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: bold;
    padding: 12px 22px;
    border-radius: 999px;
    border: 2px solid var(--color-primary);
    cursor: pointer;
    display: inline-block;
    text-decoration: none;
    transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn:active { transform: scale(0.97); }

.btn--primary {
    background: linear-gradient(45deg, var(--color-primary), var(--color-primary-light));
    color: #fff;
    border-color: transparent;
}
.btn--primary:hover { box-shadow: 0 8px 20px rgba(114, 8, 70, 0.3); transform: translateY(-1px); }

.btn--ghost {
    background: transparent;
    color: var(--color-primary);
}
.btn--ghost:hover { background: var(--color-primary); color: #fff; }

/* ===================== HERO ===================== */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    max-width: var(--max-width);
    margin: 0 auto;
    padding-top: 70px;
    padding-bottom: 70px;
}

.hero__content { flex: 1 1 420px; }

.hero__eyebrow {
    display: inline-block;
    background: rgba(114, 8, 70, 0.08);
    color: var(--color-primary);
    font-size: 12px;
    font-weight: bold;
    padding: 6px 14px;
    border-radius: 999px;
    margin-bottom: 16px;
}

.hero h1 {
    font-size: clamp(28px, 4vw, 44px);
    line-height: 1.15;
    color: var(--color-black);
}

.hero__lead {
    color: var(--color-text-muted);
    font-size: 16px;
    max-width: 480px;
    margin-bottom: 28px;
}

.hero__cta {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.hero__art {
    flex: 1 1 280px;
    max-width: 320px;
}
.hero__art svg { width: 100%; height: auto; display: block; }

/* ===================== CÓMO FUNCIONA ===================== */
.como-funciona {
    background: var(--color-bg-alt);
    text-align: center;
}
.como-funciona h2 { text-align: center; }

.pasos {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    text-align: left;
}

.paso {
    background: #fff;
    border-radius: var(--radius);
    padding: 28px 22px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
}

.paso__numero {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    font-weight: bold;
    margin-bottom: 14px;
}

.paso h3 { font-size: 17px; }
.paso p { color: var(--color-text-muted); font-size: 14px; margin: 0; }

/* ===================== PLANES ===================== */
.planes { text-align: center; }
.planes h2 { text-align: center; }

.planes__grid {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: stretch;
}

.plan-card {
    position: relative;
    background: #fff;
    border: 2px solid #eee;
    border-radius: 14px;
    padding: 32px 24px;
    text-align: left;
    display: flex;
    flex-direction: column;
}

.plan-card--destacado {
    border-color: var(--color-primary);
    box-shadow: 0 10px 30px rgba(114, 8, 70, 0.15);
    transform: translateY(-6px);
}

.plan-card__badge {
    position: absolute;
    top: -13px;
    left: 24px;
    background: var(--color-accent);
    color: #222;
    font-size: 11px;
    font-weight: bold;
    padding: 4px 12px;
    border-radius: 999px;
}

.plan-card h3 {
    color: var(--color-primary);
    font-size: 18px;
}

.plan-card__precio {
    font-size: 28px;
    font-weight: bold;
    color: var(--color-black);
    margin-bottom: 20px;
}
.plan-card__precio span {
    font-size: 13px;
    font-weight: normal;
    color: var(--color-text-muted);
}

.plan-card__features {
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
    flex: 1;
}
.plan-card__features li {
    font-size: 14px;
    padding: 7px 0;
    padding-left: 26px;
    position: relative;
    color: var(--color-text);
}
.plan-card__features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
}
.plan-card__features li.is-off {
    color: #bbb;
    text-decoration: line-through;
}
.plan-card__features li.is-off::before {
    content: "–";
    color: #bbb;
}

.plan-card .btn { text-align: center; }

/* ===================== CTA FINAL ===================== */
.cta-final {
    text-align: center;
    background: linear-gradient(135deg, var(--color-black), var(--color-primary));
    color: #fff;
}
.cta-final h2 {
    font-size: clamp(22px, 3.5vw, 32px);
    margin-bottom: 24px;
}
.cta-final .btn--primary {
    background: var(--color-accent);
    color: #222;
}
.cta-final .btn--primary:hover { background: var(--color-accent-hover); color: #fff; }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 860px) {
    .hero { flex-direction: column; text-align: center; padding-top: 40px; }
    .hero__lead { margin-left: auto; margin-right: auto; }
    .hero__cta { justify-content: center; }

    .pasos, .planes__grid { grid-template-columns: 1fr; }
    .plan-card--destacado { transform: none; }

    section { padding: 44px 20px; }
}