/* css/pages/course-pillar.css — shared styles for the SEO landing pages:
   handwriting-course.html, cursive-writing-course.html, vedic-maths-course.html,
   rubiks-cube-course.html, mid-brain-activation-course.html.
   Reuses the same design tokens as the rest of the site (see aboutus.css). */

:root {
    --primary: #8b5cf6;
    --primary-dark: #7c3aed;
    --primary-light: #a78bfa;
    --secondary: #0ea5e9;
    --dark-bg: #0a0e17;
    --card-bg: #111827;
    --card-hover: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: #334155;
    --success: #10b981;
    --warning: #f59e0b;
    --shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --accent-purple: #b16be0;
    --glow-pink: #ff6bcb;
    --glow-blue: #6dd5ed;
    --glow-cyan: #5ae8ff;
    --clarity-white: #f8f9ff;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.7;
}

.pillar-page {
    padding: 140px 0 80px;
    position: relative;
    z-index: 1;
}

.pillar-page .container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ─── Page Header ─── */
.pillar-page .page-header {
    margin-bottom: 3rem;
}

.pillar-page .breadcrumb {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1.2rem;
}

.pillar-page .breadcrumb a {
    color: var(--secondary);
    text-decoration: none;
}

.pillar-page .breadcrumb a:hover {
    text-decoration: underline;
}

.pillar-page .breadcrumb .separator {
    margin: 0 0.5rem;
}

.gradient-text {
    background: linear-gradient(135deg, var(--secondary), var(--accent-purple));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.pillar-page .page-header h1 {
    font-size: clamp(2rem, 4.5vw, 2.75rem);
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.pillar-page .page-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 700px;
}

/* ─── Content Card ─── */
.content-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow);
    margin-bottom: 2.5rem;
    position: relative;
    overflow: hidden;
}

.content-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(to right, var(--secondary), var(--accent-purple), var(--glow-pink));
}

.content-card p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

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

.content-card h2 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.content-card h2 i {
    color: var(--secondary);
}

.content-card h3 {
    font-size: 1.2rem;
    margin: 1.5rem 0 0.75rem;
    color: var(--text-primary);
}

/* ─── Highlight list (what you'll learn / benefits) ─── */
.highlight-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.highlight-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.9rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.95rem;
}

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

/* ─── CTA ─── */
.pillar-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
}

.pillar-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.9rem 1.8rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.pillar-btn-primary {
    background: linear-gradient(135deg, var(--secondary), var(--primary));
    color: white;
    box-shadow: 0 10px 25px rgba(14, 165, 233, 0.3);
}

.pillar-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(14, 165, 233, 0.45);
}

.pillar-btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.pillar-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--secondary);
}

/* ─── FAQ Accordion ─── */
.faq-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.02);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.05rem;
    font-weight: 600;
    text-align: left;
    padding: 1.2rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    gap: 1rem;
}

.faq-question i {
    color: var(--secondary);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.open .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
    color: var(--text-secondary);
    padding: 0 1.5rem;
}

.faq-item.open .faq-answer {
    max-height: 400px;
    padding: 0 1.5rem 1.2rem;
}

/* ─── Related courses / internal links ─── */
.related-courses {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.related-courses a {
    padding: 0.6rem 1.1rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.related-courses a:hover {
    color: var(--secondary);
    border-color: var(--secondary);
}

@media (max-width: 768px) {
    .pillar-page {
        padding: 120px 0 60px;
    }

    .content-card {
        padding: 1.5rem;
    }
}