.orb-1 { width: 400px; height: 400px; background: #e94560; top: -8%; right: 10%; animation-delay: 0s; }
.orb-2 { width: 350px; height: 350px; background: #0f3460; bottom: 10%; left: -5%; animation-delay: -5s; }
.orb-3 { width: 250px; height: 250px; background: #533483; top: 40%; left: 60%; animation-delay: -9s; }

.orb {
    opacity: 0.12;
}

@keyframes floatOrb {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 30px) scale(1.1); }
}

.tutorial-page {
    position: relative;
    z-index: 1;
    max-width: 860px;
    margin: 0 auto;
    padding: 50px 24px 80px;
}

.tutorial-page h1 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #fff, #e94560);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeUp 0.6s ease-out;
}

.tutorial-page .subtitle {
    font-size: 15px;
    color: #555;
    margin-bottom: 40px;
    animation: fadeUp 0.6s ease-out 0.1s both;
}

.steps-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.step {
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 14px;
    padding: 20px;
    backdrop-filter: blur(6px);
    transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
    animation: fadeUp 0.5s ease-out both;
}

.step:nth-child(1) { animation-delay: 0.05s; }
.step:nth-child(2) { animation-delay: 0.1s; }
.step:nth-child(3) { animation-delay: 0.15s; }
.step:nth-child(4) { animation-delay: 0.2s; }
.step:nth-child(5) { animation-delay: 0.25s; }
.step:nth-child(6) { animation-delay: 0.3s; }
.step:nth-child(7) { animation-delay: 0.35s; }
.step:nth-child(8) { animation-delay: 0.4s; }

.step:hover {
    border-color: rgba(233, 69, 96, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 8px 28px rgba(233, 69, 96, 0.08);
}

.step-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.step-num {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: linear-gradient(135deg, #e94560, #c73652);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 0 12px rgba(233, 69, 96, 0.3);
}

.step-title {
    font-size: 14px;
    font-weight: 600;
    color: #ccc;
}

.step img {
    width: 100%;
    max-height: 200px;
    object-fit: cover;
    object-position: top;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    margin-bottom: 12px;
    display: block;
    cursor: zoom-in;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.step img:hover {
    border-color: rgba(233, 69, 96, 0.4);
    box-shadow: 0 0 20px rgba(233, 69, 96, 0.15);
}

.step .step-text {
    font-size: 13px;
    color: #555;
    line-height: 1.6;
}

.back-link {
    display: inline-block;
    margin-top: 30px;
    color: #e94560;
    text-decoration: none;
    font-size: 14px;
    transition: opacity 0.2s;
}

.back-link:hover { opacity: 0.7; }

@media (max-width: 640px) {
    .steps-grid { grid-template-columns: 1fr; }
}

.lightbox {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(12px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 20px;
    cursor: zoom-out;
    animation: lbFadeIn 0.25s ease-out;
}

.lightbox.active { display: flex; }

@keyframes lbFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.lightbox img {
    max-width: 90vw;
    max-height: 85vh;
    border-radius: 12px;
    border: 1px solid rgba(233, 69, 96, 0.3);
    box-shadow: 0 0 60px rgba(233, 69, 96, 0.15);
    animation: lbZoomIn 0.3s ease-out;
}

@keyframes lbZoomIn {
    from { transform: scale(0.85); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.lightbox-close {
    position: absolute;
    top: 24px; right: 32px;
    font-size: 32px;
    color: #666;
    cursor: pointer;
    transition: color 0.2s;
    background: none;
    border: none;
}

.lightbox-close:hover { color: #e94560; }

.lightbox-hint {
    font-size: 13px;
    color: #444;
}

footer {
    font-size: 12px;
}