/* ===========================================
   AKANUKELAB - Contents Page (Dark Theme)
   Mobile-First Responsive Design
   =========================================== */

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Page Header */
.page-header {
    padding: calc(48px + 2rem) 0 1.5rem;
    text-align: center;
    background: linear-gradient(180deg, #000000 0%, #0a0a0a 100%);
}

.page-title {
    font-size: clamp(1.75rem, 6vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -0.022em;
    margin-bottom: 0.5rem;
    color: #ffffff;
}

.page-subtitle {
    font-size: 1rem;
    color: #b0b0b0;
    margin: 0;
    padding: 0 1rem;
    line-height: 1.6;
}

/* ===========================================
   Content Overview Section
   =========================================== */
.content-overview {
    padding: 1.5rem 0;
    background: #000000;
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.overview-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: #111111;
    border-radius: 12px;
    text-align: center;
    border: 1px solid #252525;
    transition: border-color 0.3s ease;
}

.overview-item:hover {
    border-color: rgba(0, 168, 255, 0.3);
}

.overview-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #00a8ff 0%, #0066cc 100%);
    color: #ffffff;
    border-radius: 10px;
    font-size: 1rem;
}

.overview-item span {
    font-size: 0.875rem;
    font-weight: 500;
    color: #ffffff;
    line-height: 1.3;
}

/* ===========================================
   Content Section
   =========================================== */
.content-section {
    padding: 1.5rem 0;
    background: #000000;
}

.content-section.alt {
    background: #0a0a0a;
}

/* Content Card */
.content-card {
    background: #111111;
    border-radius: 18px;
    padding: 1.5rem;
    border: 1px solid #252525;
    transition: border-color 0.3s ease;
}

.content-card:hover {
    border-color: rgba(0, 168, 255, 0.3);
}

.content-section.alt .content-card {
    background: #111111;
}

/* Content Header */
.content-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.content-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, #00a8ff 0%, #0066cc 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.content-title-area {
    flex: 1;
    min-width: 0;
}

.content-title-area h2 {
    font-size: clamp(1.25rem, 4vw, 1.75rem);
    font-weight: 700;
    margin: 0 0 4px 0;
    color: #ffffff;
    line-height: 1.2;
}

.content-tagline {
    font-size: 0.875rem;
    color: #00a8ff;
    font-weight: 500;
    line-height: 1.4;
    margin: 0;
}

/* Content Body */
.content-body {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.content-body h3 {
    font-size: 1rem;
    font-weight: 600;
    color: #ffffff;
    margin: 0 0 0.75rem 0;
}

.content-body p {
    font-size: 0.9375rem;
    color: #b0b0b0;
    line-height: 1.7;
    margin: 0;
}

/* Lists */
.content-body ul,
.content-body ol {
    margin: 0;
    padding-left: 1.5rem;
}

.content-body li {
    font-size: 0.9375rem;
    color: #b0b0b0;
    line-height: 1.7;
    margin-bottom: 0.5rem;
}

.content-body li:last-child {
    margin-bottom: 0;
}

.content-body li strong {
    color: #ffffff;
    font-weight: 500;
}

/* Benefits List (Tags) */
.benefits-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.benefit-tag {
    display: inline-block;
    padding: 6px 12px;
    background: #1a1a1a;
    border-radius: 100px;
    font-size: 0.8125rem;
    color: #b0b0b0;
    white-space: nowrap;
    border: 1px solid #252525;
}

.content-section.alt .benefit-tag {
    background: #1a1a1a;
}

/* Flow Steps */
.flow-steps {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.flow-step {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem;
    background: #1a1a1a;
    border-radius: 10px;
}

.step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    min-width: 28px;
    background: #00a8ff;
    color: #ffffff;
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    flex-shrink: 0;
}

.step-text {
    font-size: 0.875rem;
    color: #b0b0b0;
    line-height: 1.5;
    padding-top: 4px;
}

/* Examples Grid */
.examples-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
}

.example-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: #1a1a1a;
    border-radius: 10px;
}

.example-item i {
    color: #00a8ff;
    font-size: 1rem;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.example-item span {
    font-size: 0.875rem;
    color: #b0b0b0;
    line-height: 1.4;
}

/* Topic Tags */
.topic-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.topic-tag {
    display: inline-block;
    padding: 6px 12px;
    background: linear-gradient(135deg, #00a8ff 0%, #0066cc 100%);
    color: #ffffff;
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 500;
    white-space: nowrap;
}

/* ===========================================
   FINAL CTA SECTION
   =========================================== */
.content-cta {
    padding: 3rem 0;
    text-align: center;
    background: linear-gradient(180deg, #0a0a0a 0%, #111111 100%);
}

.content-cta h2 {
    font-size: clamp(1.5rem, 5vw, 2.25rem);
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.content-cta .cta-text {
    color: #b0b0b0;
    font-size: 1rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.content-cta .cta-note {
    font-size: 0.875rem;
    color: #6b6b6b;
    margin-top: 1rem;
}

/* ===========================================
   TABLET RESPONSIVE (768px+)
   =========================================== */
@media (min-width: 768px) {
    .page-header {
        padding: calc(48px + 3rem) 0 2rem;
    }
    
    .page-subtitle {
        font-size: 1.125rem;
    }
    
    .overview-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
    
    .content-overview {
        padding: 2rem 0;
    }
    
    .content-section {
        padding: 2rem 0;
    }
    
    .content-card {
        padding: 2rem;
    }
    
    .content-icon {
        width: 56px;
        height: 56px;
        font-size: 1.5rem;
    }
    
    .examples-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .content-cta {
        padding: 4rem 0;
    }
}

/* ===========================================
   DESKTOP RESPONSIVE (1024px+)
   =========================================== */
@media (min-width: 1024px) {
    .page-header {
        padding: calc(48px + 4rem) 0 3rem;
    }
    
    .overview-grid {
        grid-template-columns: repeat(6, 1fr);
    }
    
    .content-section {
        padding: 2.5rem 0;
    }
    
    .content-card {
        padding: 2.5rem;
    }
    
    .examples-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .content-cta {
        padding: 5rem 0;
    }
}

/* ===========================================
   CONTENT SUMMARY SECTION
   =========================================== */
.content-summary {
    padding: 3rem 0;
    background: linear-gradient(180deg, #0a0a0a 0%, #000000 100%);
}

.content-summary .section-title {
    font-size: clamp(1.5rem, 5vw, 2.25rem);
    font-weight: 700;
    color: #ffffff;
    text-align: center;
    margin-bottom: 2rem;
}

.summary-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.summary-item {
    background: #111111;
    border: 1px solid #252525;
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.summary-item:hover {
    border-color: #00a8ff;
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 168, 255, 0.1);
}

.summary-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, rgba(0, 168, 255, 0.2) 0%, rgba(0, 102, 204, 0.1) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #00a8ff;
}

.summary-item h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 0.5rem;
}

.summary-item p {
    font-size: 0.875rem;
    color: #8a8a8a;
    line-height: 1.6;
    margin: 0;
}

@media (min-width: 768px) {
    .summary-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .content-summary {
        padding: 4rem 0;
    }
}

@media (min-width: 1024px) {
    .summary-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .content-summary {
        padding: 5rem 0;
    }
    
    .summary-item {
        padding: 2rem;
    }
}