.gradient-text {
    background: linear-gradient(135deg, #d4af37 0%, #f4d03f 50%, #d4af37 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-gradient {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
}

.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(212, 175, 55, 0.15);
}

.gold-border {
    border: 2px solid transparent;
    background: linear-gradient(white, white) padding-box,
        linear-gradient(135deg, #d4af37, #f4d03f) border-box;
}

.floating {
    animation: floating 3s ease-in-out infinite;
}

@keyframes floating {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }

    100% {
        transform: translateY(0px);
    }
}

.pulse-gold {
    animation: pulse-gold 2s infinite;
}

@keyframes pulse-gold {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.4);
    }

    50% {
        box-shadow: 0 0 0 20px rgba(212, 175, 55, 0);
    }
}

.method-card {
    background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.method-card:hover {
    border-color: #d4af37;
}

.price-card {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

.price-card.featured {
    background: linear-gradient(135deg, #d4af37 0%, #b8941f 100%);
    transform: scale(1.05);
}

.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
    background: #25d366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

.input-focus:focus {
    border-color: #d4af37;
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.section-anchor {
    scroll-margin-top: 110px;
}

.formula-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.9rem 1.2rem;
    border-radius: 999px;
    background: rgba(212, 175, 55, 0.08);
    border: 1px solid rgba(212, 175, 55, 0.22);
}

.science-card {
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(10px);
}

.science-card:hover {
    border-color: rgba(212, 175, 55, 0.45);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.science-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.06);
    color: #475569;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

[data-focus-card] {
    position: relative;
    transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease, opacity 0.35s ease, background 0.35s ease;
}

[data-focus-card]::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.06), transparent 45%);
    opacity: 0;
    transition: opacity 0.35s ease;
    pointer-events: none;
}

[data-focus-card]:focus-visible {
    outline: 3px solid rgba(212, 175, 55, 0.45);
    outline-offset: 4px;
}

.training-stage {
    background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 1.5rem;
    padding: 2rem;
    color: #0f172a;
    box-shadow: 0 16px 30px rgba(15, 23, 42, 0.06);
    overflow: hidden;
}

.training-stage h4 {
    color: #0f172a;
}

.price-card.featured {
    --focus-card-hover-scale: 1.05;
    --focus-card-inactive-scale: 1.02;
    --focus-card-active-scale: 1.09;
}

@media (min-width: 1024px) {
    [data-focus-card] {
        cursor: pointer;
        transform-origin: left center;
        overflow: hidden;
    }

    [data-focus-card]:hover {
        border-color: rgba(212, 175, 55, 0.45);
    }

    [data-focus-card]:not(.is-active):hover {
        transform: translateX(var(--focus-card-hover-shift, 10px)) scale(var(--focus-card-hover-scale, 1));
        box-shadow: 0 22px 42px rgba(15, 23, 42, 0.11);
    }

    [data-focus-card].is-active {
        z-index: 2;
        transform: translateX(var(--focus-card-active-shift, 32px)) scale(var(--focus-card-active-scale, 1.055));
        border-color: rgba(212, 175, 55, 0.75);
        box-shadow: 0 32px 70px rgba(15, 23, 42, 0.22);
    }

    [data-focus-card].is-active::after {
        opacity: 1;
    }

    [data-focus-card].is-inactive {
        opacity: 0.64;
        transform: scale(var(--focus-card-inactive-scale, 0.975));
    }

    .training-stage.is-active {
        background: linear-gradient(145deg, #ffffff 0%, #fefbf1 100%);
    }

    .method-card.is-active,
    .science-card.is-active,
    .bg-white.p-8.rounded-2xl.shadow-lg.card-hover.is-active {
        background: linear-gradient(145deg, #ffffff 0%, #fffdf7 100%);
    }

    .rounded-2xl.bg-white\/5.border.border-white\/10.p-6.is-active,
    .rounded-2xl.bg-white\/5.border.border-white\/10.p-8.is-active {
        background: rgba(255, 255, 255, 0.1);
        border-color: rgba(212, 175, 55, 0.45);
        box-shadow: 0 28px 55px rgba(15, 23, 42, 0.24);
    }

    .price-card.is-active {
        box-shadow: 0 34px 72px rgba(15, 23, 42, 0.34);
    }

    .price-card.featured.is-active {
        box-shadow: 0 38px 78px rgba(184, 148, 31, 0.34);
    }
}

.training-stage-number {
    width: 3rem;
    height: 3rem;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #0f172a;
    color: #d4af37;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 10px 20px rgba(15, 23, 42, 0.18);
}

.trainer-note {
    border-left: 4px solid #d4af37;
    background: rgba(212, 175, 55, 0.08);
    border-radius: 0 1rem 1rem 0;
}

.use-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.88);
    font-size: 0.92rem;
}