/* ===========================
   Interior Pages — About & Courses
   =========================== */

/* ── Active nav link ── */
nav ul li a.active { color: var(--color-text); }

/* ── Interior Hero ── */
.interior-hero {
    padding: 164px 0 72px;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}

.interior-hero h1 {
    color: var(--color-white);
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    margin-bottom: 20px;
    margin-top: 8px;
}

.interior-lead {
    max-width: 640px;
    font-size: 1.1rem;
    line-height: 1.78;
    color: var(--color-muted);
}

/* ── About: Origin ── */
.about-origin {
    background: var(--color-surface);
    padding: 80px 0;
}

.about-origin-inner {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 64px;
    align-items: start;
}

.about-large {
    font-size: 1.2rem;
    color: var(--color-text);
    font-weight: 500;
    line-height: 1.7;
    margin-bottom: 22px;
    border-left: 3px solid var(--color-green);
    padding-left: 22px;
}

.about-origin-text p {
    font-size: 0.97rem;
    line-height: 1.82;
    margin-bottom: 16px;
}

.about-origin-quote {
    background: var(--color-surface2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    position: sticky;
    top: 96px;
}

.about-origin-quote blockquote {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.45;
    font-style: italic;
    position: relative;
}

.about-origin-quote blockquote::before {
    content: '"';
    font-size: 5rem;
    color: var(--color-green);
    opacity: 0.25;
    position: absolute;
    top: -28px;
    left: -12px;
    line-height: 1;
    font-style: normal;
}

/* ── About: Focus Grid ── */
.about-focus {
    background: var(--color-bg);
    padding: 90px 0;
}

.about-focus h2 { color: var(--color-white); margin-bottom: 12px; }

.focus-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.focus-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: border-color var(--transition);
}
.focus-item:hover { border-color: rgba(34,201,122,0.3); }

.focus-num {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-accent), var(--color-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 16px;
}

.focus-item h3 { color: var(--color-white); margin-bottom: 10px; }
.focus-item p { font-size: 0.93rem; line-height: 1.75; }

/* ── About: Beliefs ── */
.about-beliefs {
    background: var(--color-surface);
    padding: 90px 0;
}

.beliefs-inner {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 64px;
    align-items: start;
}

.beliefs-left h2 { color: var(--color-white); margin-top: 12px; }

.beliefs-right {
    display: flex;
    flex-direction: column;
    gap: 28px;
    margin-top: 8px;
}

.belief-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.belief-icon {
    flex-shrink: 0;
    width: 36px; height: 36px;
    background: rgba(34,201,122,0.12);
    color: var(--color-green);
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem;
    font-weight: 700;
    margin-top: 2px;
}

.belief-item h3 { color: var(--color-white); font-size: 1rem; margin-bottom: 6px; }
.belief-item p { font-size: 0.92rem; line-height: 1.7; }

/* ── About: Don't ── */
.about-dont {
    background: var(--color-bg);
    padding: 90px 0;
}

.dont-inner { max-width: 820px; }
.dont-inner h2 { color: var(--color-white); margin-bottom: 12px; margin-top: 8px; }
.dont-inner > p { margin-bottom: 36px; }

.dont-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.dont-row {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 24px 28px;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface);
    transition: background var(--transition);
}

.dont-row:last-child { border-bottom: none; }
.dont-row:hover { background: var(--color-surface2); }

.dont-x {
    flex-shrink: 0;
    width: 32px; height: 32px;
    background: rgba(232,160,32,0.12);
    color: var(--color-warn);
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.85rem;
    font-weight: 800;
    margin-top: 2px;
}

.dont-row strong { display: block; color: var(--color-white); font-size: 0.97rem; margin-bottom: 5px; }
.dont-row p { font-size: 0.9rem; line-height: 1.65; margin: 0; }

/* ── About: Why It Matters ── */
.about-why {
    background: var(--color-surface);
    padding: 90px 0;
}

.why-inner {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 64px;
    align-items: center;
}

.why-stat {
    text-align: center;
    background: var(--color-surface2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px 28px;
}

.why-stat-num {
    font-size: 4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-accent), var(--color-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 16px;
}

.why-stat p { font-size: 0.92rem; line-height: 1.7; }

.why-text h2 { color: var(--color-white); margin-bottom: 20px; margin-top: 12px; }
.why-text p { font-size: 0.97rem; line-height: 1.82; margin-bottom: 14px; }

/* ── About: Forward ── */
.about-forward {
    background: var(--color-bg);
    padding: 90px 0;
}

.forward-inner { max-width: 700px; }
.forward-inner h2 { color: var(--color-white); margin-bottom: 22px; }
.forward-inner p { font-size: 1.02rem; line-height: 1.8; margin-bottom: 16px; }

.forward-tagline {
    font-size: 1.4rem;
    font-weight: 700;
    font-style: italic;
    color: var(--color-green);
    margin-top: 28px;
    margin-bottom: 4px;
}

/* ── Courses: How to Use ── */
.how-to-use {
    background: var(--color-surface);
    padding: 32px 0;
    border-bottom: 1px solid var(--color-border);
}

.how-to-use-inner {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    max-width: 760px;
}

.how-to-icon {
    font-size: 1.8rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.how-to-use-inner h3 { color: var(--color-white); margin-bottom: 6px; font-size: 1rem; }
.how-to-use-inner p { font-size: 0.93rem; line-height: 1.7; }

/* ── Course Sections ── */
.course-section {
    padding: 80px 0;
}

.course-section:nth-child(odd) { background: var(--color-bg); }
.course-section:nth-child(even) { background: var(--color-surface); }

.course-header { margin-bottom: 48px; }

.course-badge {
    display: inline-block;
    padding: 5px 14px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.beginner-badge   { background: rgba(34,201,122,0.15); color: var(--color-green); border: 1px solid rgba(34,201,122,0.3); }
.intermediate-badge { background: rgba(26,127,170,0.15); color: var(--color-accent); border: 1px solid rgba(26,127,170,0.3); }
.advanced-badge   { background: rgba(130,100,220,0.15); color: #a084f0; border: 1px solid rgba(130,100,220,0.3); }
.reality-badge    { background: rgba(232,160,32,0.15); color: var(--color-warn); border: 1px solid rgba(232,160,32,0.3); }

.course-header h2 { color: var(--color-white); margin-bottom: 10px; }
.course-sub { font-size: 1.02rem; }

.course-intro {
    max-width: 720px;
    margin-bottom: 44px;
    padding: 24px 28px;
    background: var(--color-surface2);
    border-left: 3px solid var(--color-green);
    border-radius: 0 var(--radius) var(--radius) 0;
}

.course-intro p { font-size: 0.97rem; line-height: 1.78; color: var(--color-text); margin: 0; }

.course-modules {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 28px;
    max-width: 820px;
}

.module {
    display: flex;
    gap: 20px;
    background: var(--color-surface2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px 28px;
    align-items: flex-start;
    transition: border-color var(--transition);
}

.module:hover { border-color: rgba(26,127,170,0.3); }

.module-num {
    flex-shrink: 0;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    color: var(--color-accent);
    background: rgba(26,127,170,0.12);
    padding: 5px 10px;
    border-radius: 6px;
    margin-top: 2px;
}

.module-content h3 { color: var(--color-white); font-size: 1rem; margin-bottom: 6px; }
.module-content p { font-size: 0.91rem; line-height: 1.7; }

.course-goal {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(34,201,122,0.08);
    border: 1px solid rgba(34,201,122,0.2);
    border-radius: var(--radius);
    padding: 12px 20px;
    font-size: 0.92rem;
    color: var(--color-text);
    max-width: 820px;
}

.course-goal strong { color: var(--color-green); margin-right: 4px; }

/* ── Reality Course ── */
.course-reality .course-intro { border-left-color: var(--color-warn); }
.course-reality .module-num { color: var(--color-warn); background: rgba(232,160,32,0.1); }

/* ── Courses Disclaimer ── */
.courses-disclaimer {
    background: var(--color-surface);
    padding: 40px 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.courses-disclaimer-inner {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    max-width: 760px;
}

.warn-icon { font-size: 1.4rem; flex-shrink: 0; margin-top: 2px; }
.courses-disclaimer-inner strong { display: block; color: var(--color-warn); margin-bottom: 6px; }
.courses-disclaimer-inner p { font-size: 0.9rem; line-height: 1.7; margin: 0; }

/* ── Interior CTA ── */
.interior-cta {
    background: var(--color-bg);
    padding: 80px 0;
    text-align: center;
}

.interior-cta-inner h2 { color: var(--color-white); margin-bottom: 14px; }
.interior-cta-inner p { margin-bottom: 32px; font-size: 1.02rem; }

/* ── Responsive ── */
@media (max-width: 900px) {
    .about-origin-inner { grid-template-columns: 1fr; }
    .about-origin-quote { position: static; }
    .focus-grid { grid-template-columns: 1fr; }
    .beliefs-inner { grid-template-columns: 1fr; gap: 36px; }
    .why-inner { grid-template-columns: 1fr; }
    .why-stat { max-width: 300px; }
}

@media (max-width: 600px) {
    .module { flex-direction: column; gap: 12px; }
    .dont-row { flex-direction: column; gap: 12px; }
}