/* ==========================================================================
   DESIGN SYSTEM: PIANOTRACK
   Solo tokens + componentes propios. Layout = Bootstrap.
   ========================================================================== */
:root {
    /* Color Palette */
    --pt-ivory: #faf8f5;
    --pt-ivory-card: #ffffff;
    --pt-ebony: #121214;
    --pt-ebony-card: #1c1c1f;
    --pt-walnut: #3d2b1f;
    --pt-brass: #d4af37;
    --pt-brass-hover: #b8942b;
    --pt-brass-soft: rgba(212, 175, 55, 0.08);
    --pt-brass-glow: rgba(212, 175, 55, 0.2);

    /* Typography Colors */
    --pt-text-main: #1d1d1f;
    --pt-text-sub: #6e6e73;
    --pt-text-dark: #f4f4f5;
    --pt-text-dark-sub: #a1a1aa;

    /* Borders & Structure */
    --pt-border: rgba(0, 0, 0, 0.06);
    --pt-border-dark: rgba(255, 255, 255, 0.08);
    --pt-radius: 20px;
    --pt-radius-sm: 12px;

    /* Elevation & Transitions */
    --pt-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
    --pt-shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.06);
    --pt-shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.08);
    --pt-ease: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   BASE
   ========================================================================== */
body {
    background-color: var(--pt-ivory);
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--pt-text-main);
    -webkit-font-smoothing: antialiased;
    letter-spacing: -0.011em;
}

/* ==========================================================================
   NAV
   ========================================================================== */
.nav-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(250, 248, 245, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--pt-border);
    padding: 1.1rem 0; /* el container de Bootstrap ya da el padding horizontal */
}

.brand-logo {
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--pt-ebony);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.brand-logo .accent {
    color: var(--pt-brass);
    font-weight: 600;
}

.nav-link-custom {
    color: var(--pt-text-sub);
    font-weight: 500;
    font-size: 0.95rem;
    text-decoration: none;
    transition: color var(--pt-ease);
    margin: 0 1rem;
}

.text-warning {
    --bs-text-opacity: 1;
    color: var(--pt-brass) !important;
}

.nav-link-custom:hover {
    color: var(--pt-ebony);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn-pt-primary {
    background: var(--pt-ebony);
    color: #ffffff;
    font-weight: 600;
    padding: 14px 28px;
    border-radius: var(--pt-radius-sm);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all var(--pt-ease);
    border: none;
    cursor: pointer;
}

.btn-pt-primary:hover {
    background: #2a2a2e;
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.btn-pt-secondary {
    background: rgba(0, 0, 0, 0.04);
    color: var(--pt-ebony);
    font-weight: 600;
    padding: 14px 28px;
    border-radius: var(--pt-radius-sm);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all var(--pt-ease);
}

.btn-pt-secondary:hover {
    background: rgba(0, 0, 0, 0.08);
    color: var(--pt-ebony);
}

/* ==========================================================================
   BADGES & CHIPS
   ========================================================================== */
.pill-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 50px;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.25);
    color: var(--pt-walnut);
    font-size: 0.85rem;
    font-weight: 600;
}

.wallapop-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(19, 194, 150, 0.1);
    color: #0d8a6a;
    border: 1px solid rgba(19, 194, 150, 0.3);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.88rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.city-chip {
    display: inline-block;
    background: #ffffff;
    border: 1px solid var(--pt-border);
    padding: 8px 16px;
    border-radius: 50px;
    color: var(--pt-text-main);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    margin: 4px;
    transition: all var(--pt-ease);
}

.city-chip:hover {
    border-color: var(--pt-brass);
    color: var(--pt-ebony);
    transform: translateY(-1px);
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */
.display-title {
    font-size: clamp(2.5rem, 5.5vw, 4.2rem);
    font-weight: 800;
    line-height: 1.08;
    color: var(--pt-ebony);
}

.lead-text {
    font-size: 1.25rem;
    color: var(--pt-text-sub);
    font-weight: 400;
    line-height: 1.6;
}

/* ==========================================================================
   CARDS
   ========================================================================== */
.pt-card {
    background: var(--pt-ivory-card);
    border-radius: var(--pt-radius);
    border: 1px solid var(--pt-border);
    padding: 2.5rem;
    box-shadow: var(--pt-shadow);
    transition: all var(--pt-ease);
    height: 100%;
}

.pt-card:hover {
    box-shadow: var(--pt-shadow-hover);
    transform: translateY(-2px);
}

/* ==========================================================================
   FORM (dark variant)
   ========================================================================== */
.form-control-dark {
    width: 100%;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #ffffff;
    border-radius: var(--pt-radius-sm);
    padding: 12px 16px;
    font-family: inherit;
    font-size: 0.95rem;
    transition: all var(--pt-ease);
}

.form-control-dark:focus {
    outline: none;
    background-color: rgba(255, 255, 255, 0.08);
    border-color: var(--pt-brass);
    color: #ffffff;
    box-shadow: 0 0 0 0.25rem rgba(212, 175, 55, 0.2);
}

.form-control-dark::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

/* ==========================================================================
   REVIEWS
   ========================================================================== */
.review-card {
    background: var(--pt-ivory-card);
    border: 1px solid var(--pt-border);
    border-radius: var(--pt-radius);
    padding: 1.75rem;
    box-shadow: var(--pt-shadow);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.stars {
    color: #f59e0b;
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.review-text {
    font-size: 0.95rem;
    color: var(--pt-text-main);
    line-height: 1.5;
    margin-bottom: 1rem;
    font-style: italic;
}

.review-author {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--pt-ebony);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.review-source {
    font-size: 0.78rem;
    color: var(--pt-text-sub);
    font-weight: 500;
}

/* ==========================================================================
   WINDOW REPORT (mockup)
   ========================================================================== */
.window-report {
    background: var(--pt-ebony);
    border-radius: var(--pt-radius);
    border: 1px solid var(--pt-border-dark);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.18);
    overflow: hidden;
}

.window-report-header {
    background: #1c1c1f;
    padding: 14px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.dot-group {
    display: flex;
    gap: 6px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.step-number {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--pt-brass);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
    display: block;
}
.footer-pt {
    background: #ffffff;
    border-top: 1px solid var(--pt-border);
    padding: 5rem 1rem 3rem;
    color: var(--pt-text-sub);
    font-size: 0.85rem;
    margin-top: 0px;
}
.footer-title {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.2rem;
    color: var(--pt-ebony);
}
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-links li {
    margin-bottom: 0.6rem;
}
.footer-links a {
    color: var(--pt-text-sub);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--pt-ease);
}
.footer-links a:hover {
    color: var(--pt-ebony);
}
        .badge-family {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(212, 175, 55, 0.15);
            color: var(--pt-brass, #d4af37);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }
        .zero-travel-tag {
            background-color: #fef3c7;
            color: #92400e;
            padding: 4px 10px;
            border-radius: 6px;
            font-weight: 600;
            font-size: 0.85rem;
            display: inline-block;
            margin-top: 0.5rem;
        }

/* ==========================================================================
   UTILITIES
   ========================================================================== */
@keyframes spin {
    to { transform: rotate(360deg); }
}

.spin {
    animation: spin 1s linear infinite;
}

/* Responsive mínimo solo para el nav sticky */
@media (max-width: 768px) {
    .nav-header {
        padding: 1rem 0;
    }
}