/* ============================================================
   EsperantAI premium upgrades layer
   Loaded on top of landing.css. CSP-safe (no inline styles).
   ============================================================ */

/* ============================================================
   1. INTER FONT — self-hosted, font-display swap
   ============================================================ */
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('/fonts/Inter-Regular.woff2') format('woff2');
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url('/fonts/Inter-SemiBold.woff2') format('woff2');
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url('/fonts/Inter-Bold.woff2') format('woff2');
}

/* Apply Inter globally with cv11/ss01 features (curved alt + alt singlestory g) */
html, body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    font-feature-settings: 'cv11', 'ss01', 'kern';
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* ============================================================
   2. AURORA GRADIENT BACKGROUND — subtle depth
   3 radial blobs sobre base #08090c, low opacity (15% + 10%)
   ============================================================ */
body {
    background-color: #08090c;
    background-image:
        radial-gradient(at 15% 0%, rgba(88, 166, 255, 0.10) 0px, transparent 50%),
        radial-gradient(at 85% 100%, rgba(188, 140, 255, 0.08) 0px, transparent 55%),
        radial-gradient(at 50% 50%, rgba(255, 123, 114, 0.04) 0px, transparent 70%);
    background-attachment: fixed;
}

/* ============================================================
   3. BRAND LOGO — topbar icon + footer banner
   ============================================================ */
.brand-logo {
    width: 32px;
    height: 32px;
    display: inline-block;
    object-fit: contain;
    border-radius: 6px;
    filter: drop-shadow(0 0 8px rgba(88, 166, 255, 0.25));
    transition: filter 0.3s ease;
}
.brand-logo:hover {
    filter: drop-shadow(0 0 12px rgba(188, 140, 255, 0.4));
}
.brand-banner {
    width: 180px;
    height: auto;
    max-width: 100%;
    display: block;
    object-fit: contain;
    border-radius: 8px;
}
.topbar-brand .brand-text { display: none; }
.footer-brand .brand-text { display: none; }

/* ============================================================
   4. TRUST BRAND SVGs — real logos OBS/Streamlabs/etc
   White SVGs sobre background dark, hover desatura -> opacity full
   ============================================================ */
.trust-logos {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 28px 36px;
    padding: 24px 0;
}
.trust-brand {
    height: 24px;
    width: auto;
    max-width: 140px;
    object-fit: contain;
    opacity: 0.55;
    filter: grayscale(0.2);
    transition: opacity 0.25s ease, filter 0.25s ease, transform 0.25s ease;
}
.trust-brand:hover {
    opacity: 1;
    filter: grayscale(0) drop-shadow(0 0 8px rgba(88, 166, 255, 0.3));
    transform: translateY(-2px);
}
.trust-sep {
    display: inline-block;
    width: 1px;
    height: 24px;
    background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    margin: 0 4px;
}
@media (max-width: 720px) {
    .trust-logos { gap: 18px 24px; }
    .trust-brand { height: 18px; max-width: 100px; }
    .trust-sep { display: none; }
}

/* ============================================================
   5. MICROINTERACCIONES — hover lift en cards
   Cubic-bezier "spring feel", glow accent, border shift
   ============================================================ */
.bento, .bento-card, .plan, .step-card, .compat-card,
.universal-card, .feature-tile {
    transition:
        transform 220ms cubic-bezier(0.2, 0.8, 0.2, 1),
        box-shadow 220ms cubic-bezier(0.2, 0.8, 0.2, 1),
        border-color 220ms cubic-bezier(0.2, 0.8, 0.2, 1);
    will-change: transform;
}

.bento:hover, .bento-card:hover, .plan:hover, .step-card:hover,
.compat-card:hover, .universal-card:hover, .feature-tile:hover {
    transform: translateY(-3px);
    box-shadow:
        0 12px 32px rgba(88, 166, 255, 0.12),
        0 4px 12px rgba(0, 0, 0, 0.25);
    border-color: rgba(188, 140, 255, 0.35);
}

.plan-pro-plus:hover {
    box-shadow:
        0 16px 40px rgba(188, 140, 255, 0.18),
        0 4px 12px rgba(0, 0, 0, 0.3);
    border-color: rgba(188, 140, 255, 0.5);
}

/* CTA buttons get a subtle scale + glow on hover */
.btn-plan, .topbar-cta {
    transition:
        transform 180ms cubic-bezier(0.2, 0.8, 0.2, 1),
        box-shadow 180ms cubic-bezier(0.2, 0.8, 0.2, 1),
        background-color 180ms ease;
}
.btn-plan:hover, .topbar-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(88, 166, 255, 0.25);
}

/* ============================================================
   6. LANGUAGE SWITCHER — created by landing-i18n.js (CSP-safe)
   ============================================================ */
.lang-switcher {
    display: inline-flex;
    align-items: center;
    margin-left: 8px;
}
.lang-select {
    background: rgba(255,255,255,0.06);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 999px;
    padding: 6px 26px 6px 12px;
    font-size: 0.82em;
    font-family: inherit;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path d='M1 1l4 4 4-4' stroke='%23ffffff' stroke-width='1.4' fill='none' stroke-linecap='round'/></svg>");
    background-repeat: no-repeat;
    background-position: right 10px center;
    transition: background 0.2s ease, border-color 0.2s ease;
}
.lang-select:hover, .lang-select:focus {
    background-color: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.2);
}
.lang-option {
    background: #08090c;
    color: #fff;
}

/* ============================================================
   7. HOT SALE BANNER — runtime only when /hot-sale.json active
   ============================================================ */
#hot-sale-banner[hidden] { display: none; }
#hot-sale-banner {
    position: sticky;
    top: 0;
    z-index: 999;
    background: linear-gradient(90deg, #ff6b35, #f7931e, #ffb347);
    background-size: 200% 100%;
    animation: hs-shimmer 6s linear infinite;
    color: #1a0a00;
    font-family: inherit;
    text-align: center;
    box-shadow: 0 1px 8px rgba(0,0,0,0.15);
}
@keyframes hs-shimmer {
    0% { background-position: 0% 50%; }
    100% { background-position: 200% 50%; }
}
.hs-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
    line-height: 1.3;
    max-width: 1280px;
    margin: 0 auto;
}
.hs-flame {
    font-size: 1.1rem;
    animation: hs-pulse 1.5s ease-in-out infinite;
}
@keyframes hs-pulse {
    50% { transform: scale(1.2); }
}
.hs-label {
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.hs-discount {
    background: rgba(0,0,0,0.18);
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    font-weight: 800;
}
.hs-sub { opacity: 0.95; }
.hs-code {
    background: #1a0a00;
    color: #ffb347;
    padding: 0.18rem 0.55rem;
    border-radius: 4px;
    font-size: 0.82rem;
}
.hs-code strong {
    letter-spacing: 0.1em;
    font-weight: 800;
}
.hs-countdown {
    font-variant-numeric: tabular-nums;
    background: rgba(0,0,0,0.15);
    padding: 0.18rem 0.55rem;
    border-radius: 4px;
    font-size: 0.82rem;
    font-weight: 600;
}
.hs-cta {
    background: #1a0a00;
    color: #fff;
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.15s, background 0.2s;
}
.hs-cta:hover {
    background: #000;
    transform: translateX(2px);
}
.plan-price .price-strike {
    display: inline-block;
    font-size: 0.6em;
    opacity: 0.55;
    text-decoration: line-through;
    margin-right: 0.4rem;
    vertical-align: super;
    font-weight: 500;
}
@media (max-width: 600px) {
    .hs-inner {
        padding: 0.5rem 0.6rem;
        font-size: 0.82rem;
        gap: 0.35rem 0.6rem;
    }
    .hs-sub { display: none; }
    .hs-countdown { font-size: 0.75rem; }
}
html[dir="rtl"] .hs-cta:hover { transform: translateX(-2px); }