/* ==========================================================================
   Features & Security Page — Warm Brutalism Design System
   ========================================================================== */

.feat-hero-section {
    padding: 60px 0 40px;
    text-align: center;
    max-width: 860px;
    margin: 0 auto;
}

.feat-hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: var(--surface-container-high);
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-full);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    color: var(--on-surface-variant);
    margin-bottom: 20px;
    text-transform: uppercase;
}

.feat-hero-title {
    font-size: 44px;
    font-weight: 700;
    line-height: 1.15;
    color: var(--on-surface);
    margin-bottom: 18px;
    letter-spacing: -0.02em;
}

.feat-hero-desc {
    font-size: 17px;
    line-height: 1.6;
    color: var(--on-surface-variant);
    max-width: 680px;
    margin: 0 auto 32px;
}

.feat-hero-badges {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    max-width: 860px;
    margin: 0 auto 40px;
}

.feat-badge-chip {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 14px;
    background: var(--surface-bright);
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-default);
    font-size: 13px;
    font-weight: 600;
    color: var(--on-surface);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.feat-badge-chip i {
    color: var(--secondary);
    flex-shrink: 0;
}

/* Feature Showcase Grid */
.feat-showcase-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    margin-bottom: 48px;
}

.feat-card-primary {
    background: var(--surface-bright);
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-xl);
    padding: 36px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feat-card-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
}

.feat-card-dark {
    background: var(--primary-container);
    color: var(--on-primary-container);
    border: 1px solid var(--border-dark);
}

.feat-card-dark .feat-card-title {
    color: #ffffff;
}

.feat-card-dark .feat-card-desc {
    color: #b0b7c3;
}

.feat-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.feat-icon-circle {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--surface-container-high);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--secondary);
    border: 1px solid var(--outline-variant);
}

.feat-card-dark .feat-icon-circle {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--secondary-container);
}

.feat-tag {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    font-weight: 700;
}

.feat-tag-coral {
    background: rgba(204, 128, 102, 0.15);
    color: var(--secondary);
    border: 1px solid rgba(204, 128, 102, 0.3);
}

.feat-tag-blue {
    background: rgba(8, 147, 212, 0.15);
    color: #0284c7;
    border: 1px solid rgba(8, 147, 212, 0.3);
}

.feat-tag-green {
    background: rgba(34, 197, 94, 0.15);
    color: #16a34a;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.feat-card-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--on-surface);
}

.feat-card-desc {
    font-size: 15px;
    line-height: 1.6;
    color: var(--on-surface-variant);
    margin-bottom: 24px;
}

/* Mockup Display Box */
.feat-mockup-box {
    background: var(--surface-container);
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-default);
    padding: 20px;
    margin-top: 16px;
}

.feat-card-dark .feat-mockup-box {
    background: rgba(0, 0, 0, 0.25);
    border-color: rgba(255, 255, 255, 0.1);
}

/* Mockup: Password Input */
.mockup-pwd-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mockup-pwd-input {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #ffffff;
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--on-surface);
}

.feat-card-dark .mockup-pwd-input {
    background: #191c21;
    border-color: rgba(255, 255, 255, 0.15);
    color: #ffffff;
}

.mockup-pwd-btn {
    background: var(--secondary);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-sm);
    padding: 10px;
    font-weight: 600;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* Mockup: QR Code Cross Device */
.mockup-qr-row {
    display: flex;
    align-items: center;
    gap: 20px;
}

.mockup-qr-code {
    width: 90px;
    height: 90px;
    background: #ffffff;
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-sm);
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.mockup-qr-code img, .mockup-qr-code svg {
    width: 100%;
    height: 100%;
}

.mockup-qr-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.mockup-qr-text h5 {
    font-size: 14px;
    font-weight: 700;
    margin: 0;
    color: var(--on-surface);
}

.feat-card-dark .mockup-qr-text h5 {
    color: #ffffff;
}

.mockup-qr-text p {
    font-size: 12px;
    color: var(--on-surface-variant);
    margin: 0;
    line-height: 1.4;
}

.feat-card-dark .mockup-qr-text p {
    color: #a0aec0;
}

/* Mockup: Link Regeneration Flow */
.mockup-regen-flow {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.regen-step-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: #ffffff;
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-family: var(--font-mono);
}

.feat-card-dark .regen-step-item {
    background: #191c21;
    border-color: rgba(255, 255, 255, 0.15);
    color: #e2e8f0;
}

.regen-status-revoked {
    color: #ef4444;
    font-weight: 700;
}

.regen-status-active {
    color: #22c55e;
    font-weight: 700;
}

/* Feature Keypoints List */
.feat-points-list {
    list-style: none;
    padding: 0;
    margin: 0 0 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.feat-points-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    line-height: 1.4;
    color: var(--on-surface);
}

.feat-card-dark .feat-points-list li {
    color: #cbd5e1;
}

.feat-points-list li i {
    color: var(--secondary);
    margin-top: 3px;
    flex-shrink: 0;
}

/* Security Guarantee Section */
.security-matrix-section {
    background: var(--surface-bright);
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-xl);
    padding: 44px;
    margin: 48px 0;
    box-shadow: var(--shadow-sm);
}

.matrix-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 36px;
}

.matrix-header h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--on-surface);
    margin-bottom: 10px;
}

.matrix-header p {
    font-size: 15px;
    color: var(--on-surface-variant);
}

.security-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.security-table th {
    text-align: left;
    padding: 14px 18px;
    background: var(--surface-container);
    color: var(--on-surface);
    font-weight: 700;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-bottom: 2px solid var(--outline-variant);
}

.security-table td {
    padding: 16px 18px;
    border-bottom: 1px solid var(--outline-variant);
    color: var(--on-surface);
}

.security-table tr:last-child td {
    border-bottom: none;
}

.table-check {
    color: #16a34a;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.table-cross {
    color: #dc2626;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* CTA Bottom Card */
.feat-cta-card {
    background: var(--primary-container);
    color: #ffffff;
    border-radius: var(--radius-xl);
    padding: 48px 32px;
    text-align: center;
    margin: 48px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.feat-cta-card h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 14px;
    text-align: center;
}

.feat-cta-card p {
    font-size: 16px;
    color: #b0b7c3;
    max-width: 580px;
    margin: 0 auto 28px;
    text-align: center;
}

.feat-cta-btn {
    background: var(--secondary) !important;
    color: #ffffff !important;
    height: 48px !important;
    padding: 0 32px !important;
    font-size: 15px !important;
    font-weight: 700 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin: 0 auto !important;
    text-align: center !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
}

/* Responsive */
@media (max-width: 900px) {
    .feat-showcase-grid {
        grid-template-columns: 1fr;
    }
    .feat-hero-title {
        font-size: 32px;
    }
    .security-matrix-section {
        padding: 24px;
        overflow-x: auto;
    }
    .feat-card-primary {
        padding: 24px;
    }
}

@media (max-width: 640px) {
    .feat-hero-section {
        padding: 36px 12px 28px;
        margin-top: 12px;
    }
    .feat-hero-badges {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
        max-width: 480px;
        margin-bottom: 32px;
    }
    .feat-badge-chip {
        flex-direction: column !important;
        padding: 12px 8px !important;
        border-radius: var(--radius-md) !important;
        gap: 6px !important;
    }
    .feat-badge-chip i {
        font-size: 16px !important;
    }
    .feat-badge-chip span {
        font-size: 12px !important;
        line-height: 1.25 !important;
    }
    .feat-cta-card {
        padding: 36px 18px !important;
        margin: 36px 0 !important;
    }
    .feat-cta-card h2 {
        font-size: clamp(22px, 6vw, 26px) !important;
    }
    .feat-cta-btn {
        width: 100% !important;
        max-width: 320px !important;
        padding: 0 16px !important;
        font-size: 14px !important;
        height: 46px !important;
        justify-content: center !important;
        margin: 0 auto !important;
    }
}