/* =========================================================
   Acuaria — Features section
   ========================================================= */

.features {
    position: relative;
    padding: var(--section-padding-y) 0;
    background: linear-gradient(180deg, #F3E0C0 0%, #F1DEBE 8%, #F5EAD8 18%, var(--color-cream) 28%, var(--color-cream) 100%);
    overflow: hidden;
}

.features::before {
    content: '';
    position: absolute;
    top: 10%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(27, 184, 160, 0.08), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.features::after {
    content: '';
    position: absolute;
    bottom: 10%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.06), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    position: relative;
    z-index: 1;
}

.feature-card {
    position: relative;
    padding: var(--space-8) var(--space-6);
    background: var(--color-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    transform-style: preserve-3d;
    will-change: transform;
    overflow: hidden;
    opacity: 1 !important;
}

.feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 50%, rgba(27, 184, 160, 0.03) 100%);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(27, 184, 160, 0.2);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card--highlight {
    background: linear-gradient(180deg, #ffffff 0%, #f9fcfb 100%);
    border-color: rgba(27, 184, 160, 0.3);
    box-shadow: 0 10px 40px rgba(27, 184, 160, 0.12);
}

.feature-card--highlight::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-teal);
}

.feature-card__icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(27, 184, 160, 0.12), rgba(72, 217, 196, 0.06));
    border: 1px solid rgba(27, 184, 160, 0.2);
    display: grid;
    place-items: center;
    color: var(--color-teal);
    margin-bottom: var(--space-5);
    position: relative;
    z-index: 1;
    transition: transform var(--transition-base);
}

.feature-card:hover .feature-card__icon {
    transform: scale(1.06) rotate(-3deg);
}

.feature-card__icon--ai {
    background: var(--gradient-teal);
    color: var(--color-white);
    border-color: transparent;
    box-shadow: 0 10px 30px rgba(27, 184, 160, 0.35);
}

.feature-card__icon--offline {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.12), rgba(255, 138, 91, 0.06));
    border-color: rgba(255, 107, 53, 0.25);
    color: var(--color-coral);
}

.feature-card__title {
    font-size: var(--font-size-h4);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-navy-deep);
    margin-bottom: var(--space-3);
    position: relative;
    z-index: 1;
    letter-spacing: -0.02em;
}

.feature-card__text {
    font-size: var(--font-size-body);
    line-height: 1.65;
    color: var(--color-text-muted);
    position: relative;
    z-index: 1;
    margin: 0;
}

.feature-card__badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    margin-top: var(--space-4);
    background: rgba(27, 184, 160, 0.12);
    color: var(--color-teal);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-pill);
    position: relative;
    z-index: 1;
}

.feature-card__badge--success {
    background: rgba(255, 107, 53, 0.12);
    color: var(--color-coral);
}