/* =====================================================
   features.css — About, Why Datatoc, Features sections
   Light Professional Theme
   ===================================================== */

/* =====================================================
   ABOUT SECTION
   ===================================================== */
.about-section {
    padding: 100px 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 96px;
    align-items: center;
}

.about-text .section-title { max-width: 480px; }
.about-text .section-sub { max-width: 480px; margin-bottom: 20px; }

.about-stat-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.about-stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-1);
}
.about-stat-num {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-1);
    letter-spacing: -0.04em;
    line-height: 1;
}
.about-stat-num span { color: var(--green); }
.about-stat-label {
    font-size: 0.78rem;
    color: var(--text-2);
    line-height: 1.4;
    margin-top: 4px;
}

.about-visual {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.about-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    transition: var(--t);
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.about-card:hover {
    border-color: var(--border-mid);
    box-shadow: 0 4px 16px rgba(0,0,0,0.07);
    transform: translateY(-1px);
}
.about-card-icon {
    font-size: 1.4rem;
    flex-shrink: 0;
    line-height: 1;
    margin-top: 2px;
}
.about-card h5 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-1);
    margin-bottom: 4px;
}
.about-card p { font-size: 0.82rem; color: var(--text-2); line-height: 1.5; }

/* =====================================================
   WHY DATATOC — 4 USP BLOCKS
   ===================================================== */
.why-section {
    padding: 100px 0;
    background: var(--bg-1);
    border-bottom: 1px solid var(--border);
}

.why-header {
    max-width: 680px;
    margin-bottom: 56px;
}

.why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.why-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    transition: var(--t);
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.why-card:hover {
    border-color: rgba(22,163,74,0.25);
    box-shadow: 0 8px 28px rgba(0,0,0,0.08);
    transform: translateY(-2px);
}

.why-card-number {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--green);
}
.why-card-icon { font-size: 2rem; }
.why-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-1);
    letter-spacing: -0.02em;
    line-height: 1.3;
}
.why-card p { font-size: 0.9rem; color: var(--text-2); line-height: 1.65; }

/* vs. comparison badge */
.why-vs-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(220,38,38,0.06);
    border: 1px solid rgba(220,38,38,0.15);
    color: var(--red);
    font-size: 0.72rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 100px;
    margin-top: 4px;
    align-self: flex-start;
}

.why-green-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(22,163,74,0.07);
    border: 1px solid rgba(22,163,74,0.2);
    color: var(--green-dark);
    font-size: 0.72rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 100px;
    margin-top: 4px;
    align-self: flex-start;
}

/* =====================================================
   FEATURES GRID — 6 CAPABILITY CARDS
   ===================================================== */
.features-section {
    padding: 100px 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}

.features-header { margin-bottom: 56px; }

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: var(--t);
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.feature-card:hover {
    border-color: rgba(22,163,74,0.25);
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(0,0,0,0.08);
}

.feature-card-icon {
    width: 44px; height: 44px;
    border-radius: var(--radius-md);
    background: rgba(22,163,74,0.08);
    border: 1px solid rgba(22,163,74,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.feature-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-1);
    letter-spacing: -0.02em;
}
.feature-card p {
    font-size: 0.85rem;
    color: var(--text-2);
    line-height: 1.6;
    flex: 1;
}

.feature-tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: var(--bg-1);
    border: 1px solid var(--border);
    color: var(--text-2);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 100px;
    align-self: flex-start;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* =====================================================
   TOKEN SAVINGS COMPARISON SECTION
   ===================================================== */
.savings-section {
    padding: 100px 0;
    background: var(--bg-1);
    border-bottom: 1px solid var(--border);
}

.savings-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 80px;
    align-items: center;
}

.savings-text .section-sub { max-width: 500px; margin-bottom: 32px; }

.savings-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    list-style: none;
    margin-bottom: 36px;
}

.savings-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--text-2);
    line-height: 1.5;
}

.sli-icon {
    width: 20px; height: 20px;
    border-radius: 50%;
    font-size: 0.65rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}
.sli-bad  { background: rgba(220,38,38,0.08); color: var(--red); }
.sli-good { background: rgba(22,163,74,0.08); color: var(--green); }

.savings-list li strong { color: var(--text-1); }

/* Visual comparison card */
.savings-visual {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
    display: flex;
    flex-direction: column;
    gap: 28px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
}

.savings-visual-title {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-3);
}

.bar-rows { display: flex; flex-direction: column; gap: 18px; }

.bar-item { display: flex; flex-direction: column; gap: 6px; }
.bar-item-label { font-size: 0.8rem; font-weight: 600; color: var(--text-2); }
.bar-track {
    height: 38px;
    background: var(--bg-1);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}
.bar-fill {
    height: 100%;
    display: flex;
    align-items: center;
    padding: 0 12px;
    font-size: 0.72rem;
    font-weight: 700;
    font-family: var(--mono);
    transition: width 1.2s var(--ease);
}
.bar-fill.bad  { background: rgba(220,38,38,0.1); color: var(--red); border-right: 2px solid var(--red); }
.bar-fill.good { background: rgba(22,163,74,0.1); color: var(--green-dark); border-right: 2px solid var(--green); }

.savings-stat {
    display: flex;
    align-items: center;
    gap: 20px;
    border-top: 1px solid var(--border);
    padding-top: 24px;
}
.savings-stat-num {
    font-size: 3rem;
    font-weight: 700;
    color: var(--green);
    letter-spacing: -0.05em;
    line-height: 1;
}
.savings-stat-desc {
    font-size: 0.85rem;
    color: var(--text-2);
    line-height: 1.5;
    max-width: 180px;
}

/* ---- Responsive ---- */
@media (max-width: 1100px) {
    .why-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .savings-grid { grid-template-columns: 1fr; gap: 48px; }
    .about-grid { grid-template-columns: 1fr; gap: 48px; }
    .about-stat-row { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
    .why-section, .features-section, .about-section, .savings-section { padding: 64px 0; }
    .why-card { padding: 28px 24px; }
    .features-grid { grid-template-columns: 1fr; }
    .about-stat-row { grid-template-columns: repeat(2, 1fr); }
}