/* ===== КНОПКИ ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 36px;
    border-radius: 6px;
    font-weight: 700;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    line-height: 1;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    z-index: 1;
}

.btn-primary {
    background: var(--accent-yellow-bright);
    color: #1E1E1E;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: 0;
    left: -150%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.5) 50%, rgba(255,255,255,0) 100%);
    transform: skewX(-20deg);
    animation: shimmer 3s infinite;
    z-index: 2;
    pointer-events: none;
}

@keyframes shimmer {
    0% { left: -150%; }
    20% { left: 100%; }
    100% { left: 100%; }
}

.btn-primary:hover {
    background: #E5A80B;
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(253, 184, 30, 0.4);
}

.btn-primary:hover::after {
    animation-duration: 1.5s;
}

.btn-outline {
    background: transparent;
    color: #1E1E1E;
    border: 2px solid #1E1E1E;
}

.hero-section .btn-outline {
    color: white;
    border: 2px solid white;
}

.btn-outline::after {
    content: '';
    position: absolute;
    top: 0;
    left: -150%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.3) 50%, rgba(255,255,255,0) 100%);
    transform: skewX(-20deg);
    animation: shimmer-outline 4s infinite;
    z-index: 2;
    pointer-events: none;
}

@keyframes shimmer-outline {
    0% { left: -150%; }
    25% { left: 100%; }
    100% { left: 100%; }
}

.btn-outline:hover {
    background: #1E1E1E;
    color: white;
    transform: translateY(-3px);
}

.hero-section .btn-outline:hover {
    background: white;
    color: #1E1E1E;
    border-color: white;
}

.btn-large {
    padding: 18px 42px;
    font-size: 1rem;
}

.btn-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #1E1E1E;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    border-bottom: 2px solid transparent;
    padding: 5px 0;
}

.btn-link i {
    transition: transform 0.2s ease;
}

.btn-link:hover {
    color: var(--accent-yellow-bright);
    gap: 12px;
    border-bottom-color: var(--accent-yellow-bright);
}

.btn-link:hover i {
    transform: translateX(5px);
}