:root {
    --primary-color: #4facfe;
    --secondary-color: #14B8A6;
    --accent-color: #F97316;
    --success-color: #198754;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --gradient-primary: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-secondary: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
    --shadow-light: 0 4px 12px rgba(0,0,0,0.05);
    --shadow-medium: 0 8px 25px rgba(0,0,0,0.1);
    --shadow-heavy: 0 15px 35px rgba(0,0,0,0.15);
    --border-radius: 20px;
    --border-radius-small: 10px;
    --transition: all 0.3s ease;
}

.display-1, .display-2, .display-3, .display-4, .display-5, .display-6 {
    font-weight: 700;
    line-height: 1.1;
}

.lead {
    font-size: 1.125rem;
    font-weight: 400;
    line-height: 1.6;
}

/* Hero Section */
.hero-section {
    background: var(--post-bg-primary-gradient);
    color: white;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="80" r="1.5" fill="rgba(255,255,255,0.1)"/></svg>') repeat;
    animation: float 20s infinite linear;
    z-index: 1;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

/* Author Info */
.author-info {
    background: white;
    color: var(--dark-color);
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: var(--shadow-medium);
    border-left: 4px solid var(--primary-color);
}

/* Section Divider */
.section-divider {
    height: 3px;
    background: var(--gradient-primary);
    border: none;
    margin: 4rem 0;
    border-radius: 2px;
}

/* Section Title */
.section-title {
    position: relative;
    display: inline-block;
    margin-bottom: 2rem;
}

/* Feature Images */
.feature-img {
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.feature-img:hover {
    transform: scale(1.05);
}

.highlight-box {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    border: none;
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
    border-left: 5px solid var(--primary-color);
    box-shadow: var(--shadow-light);
}

.info-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-light);
    border-left: 4px solid var(--primary-color);
    margin-bottom: 2rem;
}

.warning-section {
    background: linear-gradient(135deg, #fff5f5, #fed7d7);
    border-radius: var(--border-radius);
    padding: 3rem;
    margin: 3rem 0;
    border: 2px solid #feb2b2;
}

.danger-box {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    border: 2px solid var(--danger-color);
    box-shadow: var(--shadow-medium);
}

.custom-list {
    list-style: none;
    padding: 0;
}

.custom-list li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
}

.additional-factors {
    margin-top: 2rem;
}

.factor-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: white;
    border-radius: var(--border-radius-small);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.factor-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    border-left-color: var(--primary-color);
}

.factor-card i {
    font-size: 1.2rem;
    width: 20px;
    text-align: center;
}

.unsafe-item {
    background: #fff5f5;
    border-radius: var(--border-radius-small);
    padding: 1.5rem;
    border-left: 4px solid var(--danger-color);
    margin-bottom: 1rem;
}

.solution-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: bold;
    margin-right: 1rem;
    box-shadow: 0 4px 15px rgba(79, 172, 254, 0.3);
}

.solution-steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.step-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: white;
    border-radius: var(--border-radius-small);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.step-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-medium);
}

.step-item i {
    font-size: 1.5rem;
    margin-top: 0.25rem;
    min-width: 24px;
}

.safe-ingredients {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.ingredient-card {
    background: #f0fdf4;
    border-radius: var(--border-radius-small);
    padding: 1.5rem;
    border-left: 4px solid var(--success-color);
    transition: var(--transition);
}

.ingredient-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-light);
}

.ingredient-header {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 0.5rem;
    gap: 1rem;
}

.safety-note {
    margin-top: 1.5rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: var(--border-radius-small);
    border-left: 3px solid var(--success-color);
}

/* Internal Care */
.internal-care-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.care-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: white;
    border-radius: var(--border-radius-small);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.care-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-medium);
}

.care-item i {
    font-size: 1.2rem;
    min-width: 20px;
}

.stress-note {
    background: #fff7ed;
    border-radius: var(--border-radius-small);
    padding: 1rem;
    border-left: 3px solid var(--warning-color);
}

/* Tips Cards */
.tip-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    text-align: center;
    border-top: 4px solid var(--primary-color);
    height: 100%;
}

.tip-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.tip-card i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

/* Doctor Advice */
.doctor-advice {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-light);
    border-left: 4px solid var(--info-color);
}

.advice-steps {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.advice-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: var(--border-radius-small);
    transition: var(--transition);
}

.advice-item:hover {
    background: #e9ecef;
    transform: translateX(5px);
}

.advice-item i {
    font-size: 1.2rem;
    min-width: 20px;
}

/* Recovery Section */
.recovery-question {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    border-radius: var(--border-radius);
    padding: 3rem;
    border-left: 5px solid var(--info-color);
}

.recovery-info {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow-light);
}

.recovery-timeline {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

.timeline-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: var(--border-radius-small);
    border-left: 3px solid var(--primary-color);
    transition: var(--transition);
}

.timeline-item:hover {
    background: white;
    box-shadow: var(--shadow-light);
}

.timeline-item i {
    font-size: 1.5rem;
    min-width: 24px;
}

/* Conclusion */
.conclusion-section {
    background: linear-gradient(135deg, #f7fafc, #edf2f7);
    border-radius: var(--border-radius);
    padding: 3rem;
    margin: 3rem 0;
}

.conclusion-content {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow-light);
}

.key-points {
    margin-top: 2rem;
}

.key-point {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: var(--border-radius-small);
    transition: var(--transition);
    text-align: center;
}

.key-point:hover {
    background: white;
    box-shadow: var(--shadow-light);
    transform: translateY(-2px);
}

.key-point i {
    font-size: 1.2rem;
}

/* CTA Section */
.cta-section {
    background: var(--post-bg-primary-gradient);
    color: white;
    padding: 80px 0;
    border-radius: 30px;
    margin: 4rem 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>') repeat;
    animation: float 20s infinite linear;
    z-index: 1;
}

.cta-section .container {
    position: relative;
    z-index: 2;
}

/* Buttons */
.btn {
    border-radius: 50px;
    font-weight: 500;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.btn-primary {
    background: var(--post-bg-primary-gradient);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(79, 172, 254, 0.3);
    color: white;
}

.btn-light {
    background: white;
    color: var(--dark-color);
}

.btn-light:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    color: var(--dark-color);
}

.btn-outline-light {
    border: 2px solid white;
    color: white;
    background: transparent;
}

.btn-outline-light:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding: 60px 0;
        min-height: 70vh;
    }

    .section-divider {
        margin: 2rem 0;
    }

    .display-5 {
        font-size: 2rem;
    }

    .display-6 {
        font-size: 1.5rem;
    }

    .solution-number {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .tip-card {
        padding: 1.5rem;
    }

    .recovery-timeline {
        gap: 1rem;
    }

    .timeline-item {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }

    .key-points .col-md-4 {
        margin-bottom: 1rem;
    }

    .cta-section {
        padding: 60px 0;
        margin: 2rem 0;
        border-radius: 20px;
    }

    .d-flex.flex-column.flex-sm-row {
        flex-direction: column !important;
        gap: 1rem !important;
    }
}

@media (max-width: 576px) {
    .hero-section {
        padding: 40px 0;
    }

    .author-info {
        padding: 1rem;
    }

    .highlight-box,
    .info-card,
    .recovery-question,
    .conclusion-section {
        padding: 1.5rem;
    }

    .danger-box {
        padding: 1.5rem;
    }

    .warning-section {
        padding: 2rem;
    }

    .step-item,
    .advice-item,
    .timeline-item {
        padding: 0.75rem;
    }

    .btn-lg {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }
}

/* Utility Classes */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-custom {
    box-shadow: var(--shadow-medium);
}

.border-radius-custom {
    border-radius: var(--border-radius);
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus States for Accessibility */
.btn:focus,
button:focus,
a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Loading Animation */
@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

.loading {
    animation: pulse 2s infinite;
}