/* =========================================================================
   VBM — Capa de marca sobre Bootstrap 5.3
   Tokens derivados del VBM Brand Identity Manual v1.0 (borrador).
   - Colores funcionales: paleta confirmada del código Android (Kotlin/Compose)
   - Acentos skyline: SOLO uso decorativo (franja skyline, ilustración hero)
   - Tipografía Poppins/Inter: propuesta del manual, pendiente de validación
   ========================================================================= */

:root {
    /* --- Paleta funcional (confirmada en código Android) --- */
    --vbm-primary: #068898;        /* TopNavigationColor / Primary */
    --vbm-secondary: #25B99F;      /* VMessageStyle / Secondary */
    --vbm-bg: #F2F2F2;             /* WhiteGray / Background */
    --vbm-surface: #FFFFFF;        /* VMessageCell / Surface */
    --vbm-bg-alt: #EBEBEB;         /* BackgroundForViews */
    --vbm-field: #E3E3E3;          /* GrayForFields */

    /* --- Tonos del logotipo (aprox., muestreo de píxeles del PNG) --- */
    --vbm-petrol: #0C526E;         /* azul petróleo oscuro del anillo */

    /* --- Acentos skyline (decorativos, NO funcionales) --- */
    --sky-1: #078897;
    --sky-2: #0C526E;
    --sky-3: #40B3A2;
    --sky-4: #A4D144;
    --sky-5: #49AB48;
    --sky-6: #EC7D48;
    --sky-7: #DE2A2D;
    --sky-8: #98227A;

    /* --- Texto --- */
    --vbm-ink: #1C2B33;
    --vbm-ink-soft: #4A5A63;

    /* --- Tipografía (propuesta pendiente de validación) --- */
    --font-display: "Poppins", "Inter", system-ui, sans-serif;
    --font-body: "Inter", system-ui, sans-serif;

    --vbm-radius: 14px;
}

/* ============ Base ============ */

body {
    font-family: var(--font-body);
    color: var(--vbm-ink);
    background-color: var(--vbm-surface);
    padding-top: 72px; /* altura de la navbar fija */
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    color: var(--vbm-ink);
}

a { color: var(--vbm-primary); }
a:hover { color: var(--vbm-petrol); }

:focus-visible {
    outline: 3px solid var(--vbm-secondary);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ============ Navbar ============ */

.vbm-navbar {
    background-color: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(8px);
    transition: box-shadow 0.25s ease;
    min-height: 72px;
}

.vbm-navbar.is-scrolled {
    box-shadow: 0 2px 18px rgba(12, 82, 110, 0.12);
}

.vbm-wordmark {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.35rem;
    color: var(--vbm-petrol);
    line-height: 1;
    display: flex;
    flex-direction: column;
}

.vbm-wordmark-sub {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.62rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--vbm-primary);
}

.vbm-navbar .nav-link {
    font-weight: 500;
    color: var(--vbm-ink-soft);
}

.vbm-navbar .nav-link:hover,
.vbm-navbar .nav-link.active {
    color: var(--vbm-primary);
}

/* ============ Botones ============ */

.vbm-btn-primary {
    background-color: var(--vbm-primary);
    border: 2px solid var(--vbm-primary);
    color: #fff;
    font-weight: 600;
    border-radius: 999px;
    padding-inline: 1.5rem;
}

.vbm-btn-primary:hover,
.vbm-btn-primary:focus {
    background-color: var(--vbm-petrol);
    border-color: var(--vbm-petrol);
    color: #fff;
}

.vbm-btn-outline {
    border: 2px solid var(--vbm-primary);
    color: var(--vbm-primary);
    font-weight: 600;
    border-radius: 999px;
    padding-inline: 1.5rem;
    background: transparent;
}

.vbm-btn-outline:hover,
.vbm-btn-outline:focus {
    background-color: var(--vbm-primary);
    color: #fff;
}

/* Variante para fondos oscuros (hero) */
.vbm-hero .vbm-btn-outline {
    border-color: rgba(255, 255, 255, 0.75);
    color: #fff;
}
.vbm-hero .vbm-btn-outline:hover,
.vbm-hero .vbm-btn-outline:focus {
    background-color: #fff;
    border-color: #fff;
    color: var(--vbm-petrol);
}

/* ============ Hero ============ */

.vbm-hero {
    background: linear-gradient(135deg, var(--vbm-petrol) 0%, var(--vbm-primary) 100%);
    color: #fff;
    padding: 5.5rem 0 6rem;
}

.vbm-eyebrow {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--vbm-secondary);
    margin-bottom: 0.75rem;
}

.vbm-hero-title {
    font-weight: 700;
    font-size: clamp(2rem, 4.5vw, 3.25rem);
    line-height: 1.15;
    color: inherit;
}

.vbm-hero-lead {
    font-size: 1.125rem;
    line-height: 1.65;
    max-width: 40rem;
    color: rgba(255, 255, 255, 0.88);
    margin-top: 1rem;
}

/* Ilustración skyline (eco del isotipo — decorativo) */
.vbm-hero-skyline {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 260px;
    padding: 0 1rem;
}

.vbm-hero-skyline span {
    flex: 1;
    border-radius: 6px 6px 0 0;
    opacity: 0.92;
}

.vbm-hero-skyline span:nth-child(1) { height: 55%; background: var(--sky-3); }
.vbm-hero-skyline span:nth-child(2) { height: 78%; background: var(--sky-4); }
.vbm-hero-skyline span:nth-child(3) { height: 62%; background: var(--sky-5); }
.vbm-hero-skyline span:nth-child(4) { height: 95%; background: var(--sky-6); }
.vbm-hero-skyline span:nth-child(5) { height: 70%; background: var(--sky-7); }
.vbm-hero-skyline span:nth-child(6) { height: 40%; background: var(--sky-8); }
.vbm-hero-skyline span:nth-child(7) { height: 84%; background: var(--sky-1); }
.vbm-hero-skyline span:nth-child(8) { height: 58%; background: rgba(255,255,255,0.85); }

@media (prefers-reduced-motion: no-preference) {
    .vbm-hero-skyline span {
        transform-origin: bottom;
        animation: vbm-rise 0.9s cubic-bezier(0.2, 0.7, 0.3, 1) backwards;
    }
    .vbm-hero-skyline span:nth-child(2) { animation-delay: 0.07s; }
    .vbm-hero-skyline span:nth-child(3) { animation-delay: 0.14s; }
    .vbm-hero-skyline span:nth-child(4) { animation-delay: 0.21s; }
    .vbm-hero-skyline span:nth-child(5) { animation-delay: 0.28s; }
    .vbm-hero-skyline span:nth-child(6) { animation-delay: 0.35s; }
    .vbm-hero-skyline span:nth-child(7) { animation-delay: 0.42s; }
    .vbm-hero-skyline span:nth-child(8) { animation-delay: 0.49s; }
}

@keyframes vbm-rise {
    from { transform: scaleY(0); }
    to   { transform: scaleY(1); }
}

/* ============ Encabezado de páginas internas ============ */

.vbm-page-head {
    background: linear-gradient(135deg, var(--vbm-petrol) 0%, var(--vbm-primary) 100%);
    color: #fff;
    padding: 3.5rem 0;
}

.vbm-page-head .vbm-hero-lead { margin-bottom: 0; }

/* ============ Secciones ============ */

.vbm-section { padding: 4.5rem 0; }

.vbm-section-alt { background-color: var(--vbm-bg); }

.vbm-section-title {
    font-weight: 600;
    font-size: clamp(1.5rem, 3vw, 2.1rem);
    text-align: center;
}

.vbm-section-title.text-start { text-align: left; }

.vbm-section-lead {
    text-align: center;
    color: var(--vbm-ink-soft);
    max-width: 44rem;
    margin: 0.5rem auto 0;
}

/* ============ Tarjetas ============ */

.vbm-card {
    background-color: var(--vbm-surface);
    border: 1px solid var(--vbm-field);
    border-radius: var(--vbm-radius);
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
}

.vbm-card-title {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.6rem;
}

.vbm-card-text {
    color: var(--vbm-ink-soft);
    line-height: 1.65;
    margin-bottom: 0;
}

/* ============ Features ============ */

.vbm-feature {
    background-color: var(--vbm-surface);
    border-radius: var(--vbm-radius);
    padding: 1.5rem;
    height: 100%;
    box-shadow: 0 1px 4px rgba(12, 82, 110, 0.06);
}

/* Marca decorativa: pequeña barra en degradado de marca (funcional = teal, no skyline) */
.vbm-feature-mark {
    display: block;
    width: 42px;
    height: 5px;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--vbm-primary), var(--vbm-secondary));
    margin-bottom: 1rem;
}

.vbm-feature-title {
    font-size: 1.05rem;
    font-weight: 600;
}

.vbm-feature-text {
    color: var(--vbm-ink-soft);
    line-height: 1.6;
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* ============ Panel de cita ============ */

.vbm-quote-panel {
    background-color: var(--vbm-bg);
    border-left: 5px solid var(--vbm-secondary);
    border-radius: var(--vbm-radius);
    padding: 2rem;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 1.15rem;
    line-height: 1.6;
    color: var(--vbm-petrol);
}

/* ============ Pricing ============ */

.vbm-price-card { text-align: left; }

.vbm-price-card-featured {
    border: 2px solid var(--vbm-primary);
    box-shadow: 0 8px 28px rgba(6, 136, 152, 0.14);
}

.vbm-price-figure {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.6rem;
    color: var(--vbm-primary);
    margin: 0.25rem 0 0.75rem;
}

/* ============ Formularios ============ */

.vbm-input {
    background-color: var(--vbm-bg);
    border: 1px solid var(--vbm-field);
    border-radius: 10px;
    padding: 0.7rem 0.9rem;
}

.vbm-input:focus {
    background-color: #fff;
    border-color: var(--vbm-primary);
    box-shadow: 0 0 0 0.25rem rgba(6, 136, 152, 0.15);
}

.vbm-contact-list li { margin-bottom: 0.75rem; }

/* ============ Footer ============ */

.vbm-footer {
    background-color: var(--vbm-petrol);
    color: rgba(255, 255, 255, 0.85);
}

.vbm-footer-brand {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.05rem;
    color: #fff;
}

.vbm-footer-heading {
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--vbm-secondary);
    margin-bottom: 0.75rem;
}

.vbm-footer-text, .vbm-footer-text a { color: rgba(255, 255, 255, 0.78); }
.vbm-footer-text a:hover { color: #fff; }

.vbm-footer-divider { border-color: rgba(255, 255, 255, 0.18); margin: 2rem 0 1rem; }

.vbm-store-badge {
    display: inline-block;
    border: 1.5px solid rgba(255, 255, 255, 0.6);
    border-radius: 8px;
    padding: 0.4rem 0.9rem;
    color: #fff;
    font-weight: 500;
    font-size: 0.9rem;
    text-decoration: none;
}
.vbm-store-badge:hover { background: rgba(255, 255, 255, 0.12); color: #fff; }

/* Franja skyline decorativa (firma de marca) */
.vbm-skyline-strip {
    display: flex;
    height: 8px;
}
.vbm-skyline-strip span { flex: 1; }
.vbm-skyline-strip span:nth-child(1) { background: var(--sky-1); }
.vbm-skyline-strip span:nth-child(2) { background: var(--sky-2); }
.vbm-skyline-strip span:nth-child(3) { background: var(--sky-3); }
.vbm-skyline-strip span:nth-child(4) { background: var(--sky-4); }
.vbm-skyline-strip span:nth-child(5) { background: var(--sky-5); }
.vbm-skyline-strip span:nth-child(6) { background: var(--sky-6); }
.vbm-skyline-strip span:nth-child(7) { background: var(--sky-7); }
.vbm-skyline-strip span:nth-child(8) { background: var(--sky-8); }

/* ============ Responsive fino ============ */

@media (max-width: 991.98px) {
    .vbm-hero { padding: 4rem 0; }
    .vbm-hero-skyline { height: 180px; max-width: 420px; margin: 0 auto; }
}

@media (max-width: 575.98px) {
    body { padding-top: 64px; }
    .vbm-navbar { min-height: 64px; }
    .vbm-section { padding: 3rem 0; }
}