/* ------------------------------------------------------------------
   MERGED CSS: Clear Background + Dark Fonts (Educational Focus)
   ------------------------------------------------------------------ */

/* ===== RESET & GLOBAL (Mobile First) ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Light theme variables (clear background, dark text) */
    --color-primary: #0f5c8f;
    --color-primary-dark: #084466;
    --color-accent: #2c9c7c;
    --color-warning: #e6a017;
    --color-gray-50: #ffffff;        /* pure white background */
    --color-gray-100: #f8f9fa;
    --color-gray-200: #e9ecef;
    --color-gray-600: #6c757d;
    --color-gray-700: #495057;
    --color-gray-800: #343a40;
    --color-gray-900: #212529;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -1px rgb(0 0 0 / 0.06);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -2px rgb(0 0 0 / 0.05);
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --transition: all 0.2s ease;

    /* Additional variables for enhanced components */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, #1d7a9c 100%);
    --glow: 0 0 15px rgba(15, 92, 143, 0.2);
    --membrane-medium: rgba(15, 92, 143, 0.1);
    --warning-light: #fff9e8;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: #ffffff;             /* clear white background */
    color: var(--color-gray-800);    /* dark text */
    line-height: 1.5;
    scroll-behavior: smooth;
}

.container {
    max-width: 100%;
    padding: 1.25rem;
    margin: 0 auto;
    background: transparent;         /* no extra background */
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 {
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.2;
    color: var(--color-gray-900);    /* almost black */
}

.hero-title {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    border-left: 4px solid var(--color-primary);
    padding-left: 1rem;
    color: var(--color-gray-900);
}

.section-subtitle {
    font-size: 1rem;
    color: var(--color-gray-600);
    margin-bottom: 1.5rem;
    font-weight: 400;
}

/* ===== LAYOUT SPACING ===== */
.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 1rem 0 1.25rem;
    font-size: 0.85rem;
    color: var(--color-gray-600);
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: var(--color-gray-100);
    padding: 0.25rem 0.75rem;
    border-radius: 40px;
    color: var(--color-gray-700);
}

/* ===== GRIDS (Mobile First) ===== */
.profiles-grid, .treatments-grid, .celebrities-grid, .context-content, .system-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin: 1.5rem 0;
}

/* ===== UNIVERSAL CARD STYLE ===== */
.profile-card, .treatment-card, .celebrity-card, .context-point, .key-points-card, .conclusion-card, .system-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-200);
    transition: var(--transition);
    color: var(--color-gray-800);
}

.profile-card:hover, .treatment-card:hover, .system-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

/* ===== PROFILE SPECIFICS ===== */
.profile-sport {
    display: inline-block;
    background: rgba(15, 92, 143, 0.1);
    color: var(--color-primary-dark);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.2rem 0.7rem;
    border-radius: 30px;
    margin-bottom: 0.5rem;
}

.profile-name {
    font-size: 1.35rem;
    margin-bottom: 0.5rem;
    color: var(--color-gray-900);
}

.profile-injury {
    font-weight: 600;
    color: var(--color-primary);
    margin: 0.5rem 0 0.25rem;
}

/* ===== TREATMENT CARDS ===== */
.treatment-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}
.treatment-name {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: var(--color-primary-dark);
}
.treatment-use {
    margin-top: 0.75rem;
    font-size: 0.85rem;
    border-top: 1px solid var(--color-gray-200);
    padding-top: 0.75rem;
    color: var(--color-gray-600);
}

/* ===== DISCLAIMER ===== */
.disclaimer-card {
    background: var(--warning-light);
    border-left: 5px solid var(--color-warning);
    padding: 1.25rem;
    border-radius: var(--radius-md);
    margin: 2rem 0;
}
.disclaimer-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}
.disclaimer-icon {
    font-size: 1.8rem;
}
.disclaimer-title {
    font-size: 1.25rem;
    color: #b45f06;
}
.disclaimer-list {
    list-style: none;
    padding-left: 0;
    margin: 1rem 0;
}
.disclaimer-list li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.75rem;
    color: var(--color-gray-800);
}
.disclaimer-list li::before {
    content: "⚠️";
    position: absolute;
    left: 0;
}

/* ===== KEY POINTS ===== */
.key-points-list {
    list-style: none;
}
.key-point {
    padding: 0.5rem 0 0.5rem 1.25rem;
    border-bottom: 1px solid var(--color-gray-100);
    position: relative;
    color: var(--color-gray-700);
}
.key-point::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

/* ===== SOURCE REFERENCE ===== */
.source-ref {
    font-size: 0.7rem;
    color: var(--color-gray-600);
    margin-top: 0.5rem;
    border-top: 1px dashed #ccc;
    padding-top: 0.5rem;
}

/* ===== CELEBRITY BADGE ===== */
.celebrity-icon {
    background: var(--color-primary);
    color: white;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

/* ===== RELATED LINKS ===== */
.related-link {
    display: inline-block;
    background: var(--color-gray-100);
    padding: 0.6rem 1rem;
    border-radius: 60px;
    text-decoration: none;
    color: var(--color-primary-dark);
    margin: 0.25rem 0;
    transition: var(--transition);
}
.related-link:hover {
    background: var(--color-gray-200);
    transform: translateX(4px);
}

/* ===== MEDICAL TREATMENT CARDS ===== */
.treatment-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin: 2rem 0;
}
.medical-treatment-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-200);
    transition: var(--transition);
}
.card-image img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
}
.card-content {
    padding: 1.25rem;
}
.treatment-description {
    font-size: 0.95rem;
    margin: 0.75rem 0;
    color: var(--color-gray-700);
}
.clinical-rationale {
    background: #eef2f5;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    margin-top: 0.75rem;
    font-size: 0.85rem;
    color: var(--color-gray-800);
}
.btn {
    display: inline-block;
    background: transparent;
    border: 1px solid var(--color-primary);
    padding: 0.5rem 1rem;
    border-radius: 40px;
    text-decoration: none;
    color: var(--color-primary);
    font-weight: 500;
    margin-top: 0.75rem;
    cursor: default;
}

/* ===== HEADER & FOOTER (Minimal) ===== */
.edu-header {
    background: white;
    border-bottom: 1px solid var(--color-gray-200);
    padding: 1rem 1.25rem;
    text-align: center;
    color: var(--color-gray-800);
}
.edu-footer {
    background: var(--color-gray-100);
    text-align: center;
    padding: 1.5rem;
    margin-top: 2rem;
    font-size: 0.8rem;
    border-top: 1px solid var(--color-gray-200);
    color: var(--color-gray-700);
}

/* ===== VIDEO PLACEHOLDER ===== */
.video-placeholder {
    background: #f1f3f5;
    border-radius: var(--radius-md);
    aspect-ratio: 16 / 9;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
}
.play-button {
    background: var(--color-primary);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 100px;
    color: white;
    font-size: 1.3rem;
    cursor: pointer;
    transition: var(--transition);
}
.play-button:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

/* ===== FLOATING CTAs ===== */
.floating-cta-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 20;
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: flex-end;
}
.floating-cta {
    padding: 12px 20px;
    color: white;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: var(--transition);
    backdrop-filter: blur(8px);
    font-weight: 600;
    letter-spacing: 0.3px;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}
.floating-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}
.floating-cta:hover::before {
    transform: translateX(100%);
}
.floating-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow);
}
.whatsapp-cta {
    background-color: #25D366;
    border-color: #20b859;
}
.schedule-cta {
    background-color: var(--color-primary);
    border-color: var(--color-primary-dark);
}

/* ===== FILTER UI (JavaScript) ===== */
.js-hidden {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.js-visible {
    opacity: 1;
    transform: translateY(0);
}
.filter-search-container {
    background: var(--color-gray-100);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}
.search-wrapper {
    position: relative;
    margin-bottom: 1rem;
}
.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-primary);
}
.search-input {
    width: 100%;
    padding: 14px 14px 14px 48px;
    background: white;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    color: var(--color-gray-800);
    font-size: 1rem;
    transition: var(--transition);
}
.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(15, 92, 143, 0.1);
}
.clear-search-btn {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--color-gray-200);
    border: none;
    color: var(--color-gray-600);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}
.filter-stats {
    font-size: 0.9rem;
    color: var(--color-gray-600);
    margin-bottom: 1rem;
}
.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 0.5rem;
}
.sport-filter-btn {
    background: white;
    border: 1px solid var(--color-gray-200);
    color: var(--color-gray-700);
    padding: 8px 16px;
    border-radius: 40px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
}
.sport-filter-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}
.sport-filter-btn:hover:not(.active) {
    background: var(--color-gray-100);
    transform: translateY(-1px);
}
.no-results-message {
    background: var(--color-gray-100);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    padding: 2rem;
    text-align: center;
    margin: 1rem 0;
    animation: fadeIn 0.3s ease-out;
    color: var(--color-gray-700);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes pulseWarning {
    0%, 100% { border-left-color: var(--color-warning); }
    50% { border-left-color: rgba(230, 160, 23, 0.5); }
}

/* ===== RESPONSIVE ENHANCEMENTS (Tablet & Desktop) ===== */
@media (min-width: 640px) {
    .container {
        padding: 1.5rem;
        max-width: 640px;
    }
    .hero-title {
        font-size: 2.5rem;
    }
    .profiles-grid, .treatments-grid, .celebrities-grid, .system-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (min-width: 1024px) {
    .container {
        max-width: 1100px;
        padding: 2rem;
    }
    .hero-title {
        font-size: 3rem;
    }
    .profiles-grid, .celebrities-grid, .system-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .treatments-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .treatment-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }
    .context-content {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (min-width: 1280px) {
    .container {
        max-width: 1280px;
    }
}
@media (max-width: 768px) {
    .filter-buttons {
        justify-content: center;
    }
    .sport-filter-btn {
        flex: 1;
        min-width: 100px;
        justify-content: center;
    }
    .floating-cta-container {
        bottom: 20px;
        right: 20px;
        gap: 10px;
    }
    .floating-cta {
        padding: 8px 16px;
        font-size: 0.75rem;
    }
}
@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    .section-title {
        font-size: 1.6rem;
    }
    .profile-card, .treatment-card, .context-point {
        padding: 1rem;
    }
}

/* ===== UTILITIES & MISC ===== */
.intro-lead {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-weight: 400;
    color: var(--color-gray-700);
}
.conclusion-tagline {
    margin-top: 1rem;
    font-style: italic;
    text-align: right;
    color: var(--color-gray-600);
}
.more-profiles-note {
    background: var(--color-gray-100);
    padding: 1rem;
    border-radius: var(--radius-md);
    margin: 1rem 0;
    font-size: 0.9rem;
    color: var(--color-gray-700);
}
.sr-only {
    position: absolute; width: 1px; height: 1px; padding:0; margin:-1px; overflow:hidden;
}
a, button {
    transition: var(--transition);
}
img {
    max-width: 100%;
    height: auto;
} /* Force space above hero content regardless of header position */
.article-header::before {
  content: '';
  display: block;
  height: 80px;      /* Desktop spacer height – adjust as needed */
  margin-top: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Smaller spacer on mobile */
@media (max-width: 768px) {
  .article-header::before {
    height: 60px;
  }
}
.article-header {
  position: relative;
  z-index: 1;
}
/* Force space above hero content regardless of header position */
.sidebar::before {
  content: '';
  display: block;
  height: 80px;      /* Desktop spacer height – adjust as needed */
  margin-top: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Smaller spacer on mobile */
@media (max-width: 768px) {
  .sidebar::before {
    height: 60px;
  }
}
.sidebar {
  position: relative;
  z-index: 1;
}