:root{
    --bg-1:#050816;
    --bg-2:#0c1631;
    --bg-3:#170b2c;
    --cyan:#35d6ff;
    --blue:#3b82f6;
    --violet:#8b5cf6;
    --text:#eef4ff;
    --muted:#b9c4dd;
    --glass:rgba(255,255,255,.08);
    --glass-border:rgba(255,255,255,.12);
    --shadow:0 25px 60px rgba(0,0,0,.45);
}

*{
    box-sizing:border-box;
}

html,body{
    width:100%;
    min-height:100%;
}

body{
    margin:0;
    overflow:hidden;
    font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
    background:
        radial-gradient(circle at 15% 20%, rgba(53,214,255,.12), transparent 25%),
        radial-gradient(circle at 85% 18%, rgba(139,92,246,.16), transparent 28%),
        radial-gradient(circle at 50% 85%, rgba(59,130,246,.12), transparent 28%),
        linear-gradient(135deg, var(--bg-1), var(--bg-2), var(--bg-3));
    color:var(--text);
    position:relative;
}

/* CAPAS */
.bg-layer{
    position:fixed;
    inset:0;
    background:
        radial-gradient(circle at center, rgba(255,255,255,.04), transparent 45%);
    pointer-events:none;
    z-index:0;
}

#fireflies-canvas{
    position:fixed;
    inset:0;
    width:100%;
    height:100%;
    z-index:1;
    pointer-events:none;
}

.hero-wrap{
    position:relative;
    z-index:2;
    min-height:100vh;
}

/* CARD */
.landing-card{
    position:relative;
    padding:38px 32px;
    border-radius:28px;
    background:linear-gradient(180deg, rgba(255,255,255,.09), rgba(255,255,255,.05));
    border:1px solid var(--glass-border);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    box-shadow:var(--shadow);
    animation:cardEntry .95s cubic-bezier(.22,1,.36,1);
    overflow:hidden;
}

.landing-card::before{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(135deg, rgba(255,255,255,.08), transparent 35%, transparent 65%, rgba(53,214,255,.06));
    pointer-events:none;
}

@keyframes cardEntry{
    0%{
        opacity:0;
        transform:translateY(40px) scale(.96);
        filter:blur(8px);
    }
    100%{
        opacity:1;
        transform:translateY(0) scale(1);
        filter:blur(0);
    }
}

/* BRAND */
.brand-wrap{
    margin-bottom:20px;
}

.brand-icon-wrap{
    position:relative;
    width:84px;
    height:84px;
    margin:0 auto 14px;
    display:flex;
    align-items:center;
    justify-content:center;
}

.brand-icon{
    position:relative;
    z-index:2;
    font-size:38px;
    color:var(--cyan);
    text-shadow:
        0 0 10px rgba(53,214,255,.55),
        0 0 24px rgba(53,214,255,.3),
        0 0 48px rgba(53,214,255,.18);
    animation:floatLogo 3.5s ease-in-out infinite;
}

.pulse-ring{
    position:absolute;
    inset:8px;
    border-radius:50%;
    border:1px solid rgba(53,214,255,.28);
    box-shadow:0 0 25px rgba(53,214,255,.18);
    animation:pulseRing 2.6s ease-out infinite;
}

@keyframes floatLogo{
    0%,100%{ transform:translateY(0) scale(1); }
    50%{ transform:translateY(-6px) scale(1.04); }
}

@keyframes pulseRing{
    0%{
        transform:scale(.88);
        opacity:.85;
    }
    70%{
        transform:scale(1.2);
        opacity:0;
    }
    100%{
        transform:scale(1.2);
        opacity:0;
    }
}

.brand-title{
    margin:0;
    font-size:clamp(2rem, 4vw, 2.6rem);
    font-weight:800;
    letter-spacing:.04em;
    color:#ffffff;
    text-shadow:
        0 0 12px rgba(255,255,255,.12),
        0 0 26px rgba(53,214,255,.14);
    animation:titleReveal 1.1s ease both;
}

.brand-line{
    width:72px;
    height:4px;
    margin:12px auto 0;
    border-radius:999px;
    background:linear-gradient(90deg, transparent, var(--cyan), var(--violet), transparent);
    box-shadow:0 0 18px rgba(53,214,255,.28);
}

@keyframes titleReveal{
    from{
        opacity:0;
        transform:translateY(12px);
        letter-spacing:.18em;
    }
    to{
        opacity:1;
        transform:translateY(0);
        letter-spacing:.04em;
    }
}

/* TEXTOS */
.hero-title{
    font-size:clamp(1.25rem, 2.5vw, 1.7rem);
    font-weight:700;
    margin-bottom:12px;
    color:#f8fbff;
}

.hero-text{
    margin:0 auto;
    max-width:520px;
    color:var(--muted);
    font-size:1rem;
    line-height:1.65;
}

/* BOTONES */
.btn-rla-primary,
.btn-rla-secondary{
    border-radius:16px;
    padding:14px 18px;
    font-weight:700;
    font-size:1rem;
    border:none;
    transition:all .28s ease;
    text-decoration:none;
}

.btn-rla-primary{
    color:#fff;
    background:linear-gradient(135deg, #0ea5e9, #2563eb, #7c3aed);
    box-shadow:
        0 10px 30px rgba(37,99,235,.28),
        inset 0 1px 0 rgba(255,255,255,.15);
}

.btn-rla-primary:hover{
    color:#fff;
    transform:translateY(-3px);
    box-shadow:
        0 16px 35px rgba(37,99,235,.38),
        0 0 18px rgba(53,214,255,.18);
}

.btn-rla-secondary{
    color:#eef4ff;
    background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.12);
    box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}

.btn-rla-secondary:hover{
    color:#fff;
    transform:translateY(-3px);
    background:rgba(255,255,255,.13);
    box-shadow:0 12px 30px rgba(0,0,0,.18);
}

/* RESPONSIVE */
@media (max-width: 767.98px){
    body{
        overflow:auto;
    }

    #fireflies-canvas{
        position:fixed;
    }

    .landing-card{
        padding:30px 20px;
        border-radius:22px;
    }

    .brand-icon-wrap{
        width:74px;
        height:74px;
    }

    .brand-icon{
        font-size:32px;
    }

    .hero-text{
        font-size:.95rem;
    }

    .btn-rla-primary,
    .btn-rla-secondary{
        padding:13px 16px;
        font-size:.96rem;
    }
}