/* ── Base ── */
body { font-family: 'Inter', sans-serif; }
.navbar-brand { font-weight: 800; color: #6366f1 !important; font-size: 1.4rem; }
.section { padding: 5rem 0; }
.section-title { font-size: 2.2rem; font-weight: 800; color: #111; }
.section-subtitle { color: #6b7280; font-size: 1.1rem; }

/* ── Hero ── */
.hero {
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4338ca 100%);
    padding: 5rem 0 6rem;
    overflow: hidden;
}
.hero h1 { font-size: 3.2rem; font-weight: 800; color: #fff; line-height: 1.15; }
.hero .lead { color: rgba(255,255,255,.8); font-size: 1.15rem; max-width: 540px; }
.hero .badge-dev {
    background: rgba(234,179,8,.2); color: #fde68a;
    border: 1px solid rgba(253,224,71,.3);
    font-size: .85rem;
}
.hero-stat { color: rgba(255,255,255,.7); font-size: .875rem; }
.hero-visual {
    position: relative;
    width: 320px;
    height: 260px;
    margin: auto;
}
.hero-card {
    position: absolute;
    top: 40px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255,255,255,.08);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 16px;
    padding: 2rem;
    color: #fff;
    z-index: 1;
    box-shadow: 0 15px 35px rgba(0,0,0,.25);
}
.hero-card-sm {
    position: absolute;
    padding: 1rem 1.25rem;
    background: rgba(255,255,255,.1);
    backdrop-filter: blur(12px);
    border-radius: 12px;
    z-index: 2;
    box-shadow: 0 10px 25px rgba(0,0,0,.25);
}
.hero-card-sm:nth-child(2) { top: -20px; right: -30px; }
.hero-card-sm:nth-child(3) { bottom: -10px; left: -30px; }

/* ── Dev Banner ── */
.dev-banner {
    background: linear-gradient(90deg, #fbbf24 0%, #f59e0b 100%);
    color: #1e1b4b;
    padding: .6rem 0;
    font-weight: 600;
    font-size: .85rem;
    text-align: center;
}

/* ── Features ── */
.feature-card {
    padding: 1.5rem; border-radius: 12px; background: #fff;
    border: 1px solid #e5e7eb; height: 100%; transition: box-shadow .2s;
}
.feature-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,.06); }
.feature-icon {
    width: 48px; height: 48px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem; flex-shrink: 0; margin-bottom: .75rem;
}

/* ── Modules ── */
.module-card {
    padding: 1.25rem 1rem; border-radius: 12px; background: #fff;
    border: 1px solid #e5e7eb; transition: all .2s; height: 100%;
    text-decoration: none;
}
.module-card:hover { border-color: #6366f1; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(99,102,241,.1); }
.module-icon {
    width: 44px; height: 44px; border-radius: 10px;
    background: #f0f0ff; display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; color: #6366f1;
}

/* ── Advisory ── */
.advisory-visual {
    background: linear-gradient(135deg, #eff6ff, #e0e7ff);
    border-radius: 20px; padding: 3rem;
}
.advisory-card {
    background: #fff; border-radius: 16px; padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0,0,0,.08);
}

/* ── Free Invoice Section ── */
.free-invoice-visual {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    border-radius: 20px; padding: 3rem;
}
.free-invoice-card {
    background: #fff; border-radius: 16px; padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0,0,0,.08);
}

/* ── CTA ── */
.cta-section {
    background: linear-gradient(135deg, #1e1b4b 0%, #4338ca 100%);
    padding: 4rem 0;
}

/* ── Footer ── */
.landing-footer { background: #111827; padding: 1.5rem 0; }

/* ── Facturador ── */
.fi-shell { background: #f4f5f7; min-height: calc(100vh - 56px); }
.fi-title { font-size: 1.8rem; font-weight: 800; color: #1e1b4b; }
.fi-card {
    background: #fff; border: 1px solid #e5e7eb; border-radius: 10px; padding: 1.25rem;
}
.fi-card-title { font-size: .9rem; font-weight: 700; color: #1e1b4b; }
.fi-label { font-size: .75rem; color: #6b7280; font-weight: 600; text-transform: uppercase; letter-spacing: .3px; margin-bottom: 2px; display: block; }
.fi-promo {
    background: linear-gradient(135deg, #1e1b4b 0%, #4338ca 100%);
    border-radius: 12px; padding: 1.5rem 2rem;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    .hero-card-sm { display: none; }
    .section { padding: 3rem 0; }
    .section-title { font-size: 1.6rem; }
    .fi-title { font-size: 1.4rem; }
    .fi-card { padding: 1rem; }
}