/* ═══════════════════════════════════════════════════════════════════════════
   3DMdl v2 Homepage — Hero, Features, Model Cards, Steps, CTA
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Hero ──────────────────────────────────────────────────────────────── */

.dm-hero {
    position: relative;
    padding: 6rem 0 5rem;
    overflow: hidden;
}
.dm-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}
.dm-hero-grid {
    position: absolute;
    inset: -50%;
    background-image:
        linear-gradient(rgba(var(--dm-accent-rgb), 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(var(--dm-accent-rgb), 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: dm-grid-drift 20s linear infinite;
}
@keyframes dm-grid-drift {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 60px); }
}
.dm-hero-content {
    position: relative;
    z-index: 1;
    max-width: 720px;
    margin: 0 auto;
}

/* Badge */
.dm-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 1rem;
    border-radius: 2rem;
    font-size: 0.8rem;
    font-weight: 600;
    background: var(--dm-accent-soft);
    color: var(--dm-accent);
    margin-bottom: 1.5rem;
}
.dm-hero-badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--dm-accent);
    animation: dm-pulse 2s ease-in-out infinite;
}
@keyframes dm-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Title */
.dm-hero-title {
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: 1rem;
    color: var(--dm-text-primary);
}
.dm-text-gradient {
    background: var(--dm-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Description */
.dm-hero-desc {
    font-size: 1.15rem;
    color: var(--dm-text-secondary);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Stats */
.dm-hero-stat {
    text-align: center;
    padding: 0 1.5rem;
}
.dm-hero-stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: var(--dm-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.dm-hero-stat-label {
    font-size: 0.8rem;
    color: var(--dm-text-muted);
    font-weight: 500;
    margin-top: 0.15rem;
}

/* XL button */
.dm-btn-xl {
    padding: 0.75rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 0.75rem;
}

/* ── Section System ────────────────────────────────────────────────────── */

.dm-section {
    padding: 4.5rem 0;
}
.dm-section-alt {
    background: var(--dm-card-bg);
}

.dm-section-header {
    margin-bottom: 3rem;
}
.dm-section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--dm-accent);
    margin-bottom: 0.5rem;
}
.dm-section-title {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
    color: var(--dm-text-primary);
}
.dm-section-desc {
    font-size: 1.05rem;
    color: var(--dm-text-secondary);
    max-width: 560px;
    margin: 0 auto;
}

/* ── Feature Cards ─────────────────────────────────────────────────────── */

.dm-feature-card {
    background: var(--dm-card-bg);
    border: 1px solid var(--dm-card-border);
    border-radius: var(--dm-radius-lg);
    padding: 1.75rem;
    height: 100%;
    transition: transform var(--dm-transition), box-shadow var(--dm-transition);
}
.dm-feature-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--dm-shadow-lg);
}
.dm-feature-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--dm-radius-lg);
    background: var(--dm-accent-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--dm-accent);
    margin-bottom: 1rem;
}
.dm-feature-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dm-text-primary);
}
.dm-feature-desc {
    font-size: 0.9rem;
    color: var(--dm-text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* ── Model Cards (homepage) ────────────────────────────────────────────── */

.dm-model-card-img-wrap {
    position: relative;
    overflow: hidden;
    border-radius: var(--dm-radius-lg) var(--dm-radius-lg) 0 0;
}
.dm-model-card-img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    display: block;
    background: var(--dm-input-bg);
    transition: transform 0.3s ease;
}
.dm-model-card:hover .dm-model-card-img {
    transform: scale(1.04);
}
.dm-model-card-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    aspect-ratio: 16/10;
    background: var(--dm-input-bg);
    color: var(--dm-text-muted);
    font-size: 2.5rem;
}
.dm-model-card-badge {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    padding: 0.15rem 0.5rem;
    border-radius: var(--dm-radius);
    background: rgba(0,0,0,0.65);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    backdrop-filter: blur(4px);
}

.dm-model-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}
.dm-model-card-author {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    color: var(--dm-text-secondary);
}
.dm-model-card-stat {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.8rem;
    color: var(--dm-text-muted);
}

.dm-avatar-xs {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--dm-gradient);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6rem;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}

/* ── Steps ─────────────────────────────────────────────────────────────── */

.dm-step-number {
    width: 72px;
    height: 72px;
    margin: 0 auto 1rem;
    border-radius: var(--dm-radius-xl);
    border: 1px solid var(--dm-card-border);
    background: var(--dm-card-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 800;
    background-image: var(--dm-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── CTA ───────────────────────────────────────────────────────────────── */

.dm-cta {
    padding: 5rem 0;
    background: var(--dm-gradient);
    position: relative;
    overflow: hidden;
}
.dm-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.08) 0%, transparent 60%);
}
.dm-cta-inner {
    position: relative;
    z-index: 1;
    max-width: 640px;
    margin: 0 auto;
}
.dm-cta-title {
    font-size: clamp(1.5rem, 3.5vw, 2.25rem);
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
}
.dm-cta-desc {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.8);
    margin: 0;
}

/* ── Responsive ────────────────────────────────────────────────────────── */

@media (max-width: 767.98px) {
    .dm-hero {
        padding: 4rem 0 3rem;
    }
    .dm-hero-title {
        font-size: 1.75rem;
    }
    .dm-hero-desc {
        font-size: 1rem;
    }
    .dm-hero-stat-value {
        font-size: 1.4rem;
    }
    .dm-section {
        padding: 3rem 0;
    }
    .dm-cta {
        padding: 3.5rem 0;
    }
    .dm-btn-xl {
        padding: 0.65rem 1.25rem;
        font-size: 0.9rem;
    }
    .dm-feature-card {
        padding: 1.25rem;
    }
}