* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #1e3a5f;
    --accent-adhd: #f59e0b;
    --accent-dyslexia: #3b82f6;
    --accent-dysgraphia: #8b5cf6;
    --accent-dyscalculia: #10b981;
    --bg: #f0f4f8;
    --surface: #ffffff;
    --text: #1a202c;
    --text-secondary: #4a5568;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
    --shadow: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.15);
    --radius: 12px;
    --radius-sm: 8px;
}

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    direction: rtl;
    line-height: 1.8;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ── Header / Nav ── */
header {
    background: var(--primary);
    color: white;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    height: 64px;
}

.site-title {
    font-size: 1.35rem;
    font-weight: 700;
    white-space: nowrap;
    color: white;
    text-decoration: none;
    letter-spacing: -0.01em;
}

nav {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    justify-content: flex-start;
}

nav a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
    transition: background 0.18s, color 0.18s;
}

nav a:hover,
nav a.active {
    background: rgba(255,255,255,0.15);
    color: white;
}

/* ── Main ── */
main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 24px;
    flex: 1;
    width: 100%;
}

/* ── Hero (home page) ── */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, #2d5a8f 100%);
    color: white;
    border-radius: var(--radius);
    padding: 52px 48px;
    margin-bottom: 36px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -60px; left: -60px;
    width: 220px; height: 220px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -90px; right: -40px;
    width: 300px; height: 300px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
}

.hero h1 {
    font-size: 2.6rem;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.25;
    position: relative;
}

.hero p {
    font-size: 1.05rem;
    opacity: 0.9;
    max-width: 720px;
    line-height: 1.9;
    position: relative;
}

/* ── Section heading (home) ── */
.section-heading {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text);
}

/* ── Cards grid ── */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 20px;
}

.card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 28px 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    border-top: 4px solid;
    text-decoration: none;
    color: var(--text);
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.card.adhd        { border-top-color: var(--accent-adhd); }
.card.dyslexia    { border-top-color: var(--accent-dyslexia); }
.card.dysgraphia  { border-top-color: var(--accent-dysgraphia); }
.card.dyscalculia { border-top-color: var(--accent-dyscalculia); }

.card-icon { font-size: 2rem; line-height: 1; }

.card h2 {
    font-size: 1.15rem;
    font-weight: 700;
}

.card p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.65;
    flex: 1;
}

.card-arrow {
    color: var(--text-secondary);
    font-size: 0.82rem;
}

/* ── Page header (inner pages) ── */
.page-header {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 40px 40px 32px;
    margin-bottom: 20px;
    border-right: 5px solid;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    border-right: 5px solid;
}

.page-header.adhd        { border-right-color: var(--accent-adhd); }
.page-header.dyslexia    { border-right-color: var(--accent-dyslexia); }
.page-header.dysgraphia  { border-right-color: var(--accent-dysgraphia); }
.page-header.dyscalculia { border-right-color: var(--accent-dyscalculia); }

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
    text-transform: uppercase;
}

.adhd .badge        { background: #fef3c7; color: #92400e; }
.dyslexia .badge    { background: #dbeafe; color: #1e3a8a; }
.dysgraphia .badge  { background: #ede9fe; color: #4c1d95; }
.dyscalculia .badge { background: #d1fae5; color: #064e3b; }

.page-header h1 {
    font-size: 1.9rem;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 14px;
}

.page-header .intro {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.85;
}

/* ── Content sections ── */
.content-section {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 32px 40px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}

.content-section h2 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border);
}

.content-section p {
    margin-bottom: 14px;
    line-height: 1.9;
    color: var(--text-secondary);
}

.content-section p:last-child { margin-bottom: 0; }

/* ── Criteria list ── */
.criteria-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 12px;
}

.criteria-list li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 12px 16px;
    background: var(--bg);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

.criteria-list .num {
    min-width: 28px;
    height: 28px;
    background: var(--accent-adhd);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.82rem;
    flex-shrink: 0;
}

/* ── Footer ── */
footer {
    background: var(--primary);
    color: rgba(255,255,255,0.65);
    text-align: center;
    padding: 22px;
    font-size: 0.85rem;
    margin-top: auto;
}

/* ── Callout boxes ── */
.callout {
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    margin: 18px 0 4px;
    display: flex;
    gap: 14px;
    align-items: flex-start;
    font-size: 0.93rem;
    line-height: 1.75;
}

.callout-icon { font-size: 1.25rem; flex-shrink: 0; margin-top: 2px; }

.callout.info    { background: #eff6ff; border-right: 3px solid var(--accent-dyslexia); color: #1e3a8a; }
.callout.tip     { background: #f0fdf4; border-right: 3px solid var(--accent-dyscalculia); color: #065f46; }
.callout.fact    { background: #fef9c3; border-right: 3px solid var(--accent-adhd); color: #78350f; }
.callout.purple  { background: #f5f3ff; border-right: 3px solid var(--accent-dysgraphia); color: #4c1d95; }

/* ── Related topics ── */
.related-topics {
    margin-top: 28px;
}

.related-topics h3 {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.07em;
    margin-bottom: 12px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 10px;
}

.related-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    text-decoration: none;
    color: var(--text);
    font-size: 0.88rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: background 0.18s, border-color 0.18s, color 0.18s;
}

.related-card:hover {
    background: #eff6ff;
    border-color: var(--accent-dyslexia);
    color: var(--primary);
}

/* ── Gallery grid ── */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}

.gallery-item {
    border-radius: var(--radius-sm);
    overflow: hidden;
    aspect-ratio: 4/3;
    background: var(--bg);
    border: 1px solid var(--border);
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

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

/* ── Resource list ── */
.resource-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 8px;
}

.resource-list li a {
    display: flex;
    flex-direction: column;
    padding: 14px 18px;
    background: var(--bg);
    border-radius: var(--radius-sm);
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.93rem;
    border: 1px solid var(--border);
    transition: background 0.18s, border-color 0.18s;
    gap: 3px;
}

.resource-list li a:hover {
    background: #eff6ff;
    border-color: var(--accent-dyslexia);
}

.resource-list .resource-desc {
    font-weight: 400;
    color: var(--text-secondary);
    font-size: 0.82rem;
}

.resource-tag {
    display: inline-block;
    background: var(--border);
    color: var(--text-secondary);
    border-radius: 99px;
    padding: 2px 9px;
    font-size: 0.72rem;
    font-weight: 600;
    margin-bottom: 6px;
    align-self: flex-start;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        height: auto;
        padding: 14px 16px;
        gap: 10px;
    }
    nav { justify-content: center; }
    .hero { padding: 32px 24px; }
    .hero h1 { font-size: 1.9rem; }
    .page-header,
    .content-section { padding: 24px 20px; }
    main { padding: 24px 16px; }
    .cards-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
    .cards-grid { grid-template-columns: 1fr; }
}