/* The Letter / Problem */
.problem-section {
    background-color: var(--bg-black);
}

.problem-content {
    max-width: 800px;
}

.problem-content h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.problem-content p {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.problem-content strong {
    color: #fff;
}

/* Glass Cards Component */
.glass-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 12px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    transition: transform 0.3s;
}

.glass-card:hover {
    transform: translateY(-5px);
    border-color: var(--brand-green);
}

.glass-card-icon {
    width: 40px;
    height: 40px;
    background: rgba(0, 230, 118, 0.1);
    color: var(--brand-green);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.glass-card h4 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: var(--brand-green);
}

.glass-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 0 !important;
}

@media (max-width: 1024px) {
    .glass-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .problem-content h2 {
        font-size: 1.8rem;
    }
    .problem-content p {
        font-size: 1rem;
    }
    .glass-card {
        padding: 1.5rem;
    }
}

/* ============================== */
/* Solution Section               */
/* ============================== */
.solution-section {
    background-color: var(--bg-black);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.solution-content {
    max-width: 900px;
}

.solution-content > h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.solution-content > p {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
}

/* Pillar Cards */
.solution-pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.pillar-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    padding: 2rem 1.5rem;
    transition: border-color 0.3s, transform 0.3s;
}

.pillar-card:hover {
    border-color: var(--brand-green);
    transform: translateY(-4px);
}

.pillar-number {
    display: inline-block;
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--brand-green);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: 1rem;
}

.pillar-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    color: var(--text-main);
}

.pillar-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Differentials */
.solution-differentials {
    margin-top: 2rem;
    padding-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.solution-differentials > h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
}

.diff-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.diff-item {
    padding: 1.5rem;
    border-left: 3px solid var(--brand-green);
    background: rgba(0, 230, 118, 0.02);
    border-radius: 0 8px 8px 0;
}

.diff-vs {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--brand-green);
    margin-bottom: 0.8rem;
}

.diff-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .solution-pillars {
        grid-template-columns: 1fr;
    }
    .diff-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .solution-content > h2 {
        font-size: 1.8rem;
    }
    .solution-content > p {
        font-size: 1rem;
    }
    .solution-differentials > h3 {
        font-size: 1.4rem;
    }
}