/**
 * Curriculum / Programs Pages — Interactive Tutors
 *
 * Sales-focused landing pages for each math curriculum.
 * Shares the blog colour scheme (green → blue gradient hero)
 * and adds conversion-optimised components.
 *
 * @package InteractiveTutors
 * @since   2.0.0
 */

/* =============================================================================
   CSS CUSTOM PROPERTIES
   ============================================================================= */

:root {
    --cur-primary: #2E8B57;
    --cur-primary-dark: #246d45;
    --cur-blue: #4A90E2;
    --cur-blue-dark: #3a7bd0;
    --cur-radius: 0.75rem;
    --cur-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --cur-shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.12);
    --cur-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =============================================================================
   HERO SECTION
   ============================================================================= */

.cur-hero {
    background: linear-gradient(135deg, var(--cur-primary) 0%, var(--cur-blue) 100%);
    padding: 7rem 0 3.5rem;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.cur-hero::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -10%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    pointer-events: none;
}

.cur-hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 350px;
    height: 350px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
    pointer-events: none;
}

.cur-hero__inner {
    position: relative;
    z-index: 1;
    max-width: 52rem;
    margin: 0 auto;
    text-align: center;
}

.cur-hero__breadcrumb {
    font-size: 0.85rem;
    opacity: 0.85;
    margin-bottom: 1.25rem;
}

.cur-hero__breadcrumb a {
    color: #fff;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.cur-hero__breadcrumb a:hover {
    opacity: 1;
}

.cur-hero__breadcrumb span {
    margin: 0 0.4rem;
    opacity: 0.6;
}

.cur-hero__title {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1rem;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.cur-hero__subtitle {
    font-size: 1.1rem;
    opacity: 0.92;
    max-width: 38rem;
    margin: 0 auto 2rem;
    line-height: 1.65;
}

@media (min-width: 768px) {
    .cur-hero {
        padding: 8.5rem 0 4.5rem;
    }
    .cur-hero__title {
        font-size: 3rem;
    }
    .cur-hero__subtitle {
        font-size: 1.2rem;
    }
}

/* Hero CTAs */
.cur-hero__ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin-bottom: 2.25rem;
}

.cur-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: var(--cur-transition);
    cursor: pointer;
}

.cur-btn--primary {
    background: #fff;
    color: var(--cur-primary);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.cur-btn--primary:hover {
    background: #f0fdf4;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.cur-btn--outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.6);
}

.cur-btn--outline:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
    transform: translateY(-2px);
}

/* Hero trust badges */
.cur-hero__trust {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.cur-hero__trust-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.9rem;
    font-weight: 600;
    opacity: 0.9;
}

.cur-hero__trust-item i {
    font-size: 1rem;
    opacity: 0.8;
}

/* =============================================================================
   SECTION SCAFFOLDING
   ============================================================================= */

.cur-section {
    padding: 4rem 0;
}

.cur-section--alt {
    background: #f9fafb;
}

.cur-section--green {
    background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 100%);
}

.cur-section__header {
    text-align: center;
    max-width: 42rem;
    margin: 0 auto 2.5rem;
}

.cur-section__tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--cur-primary);
    margin-bottom: 0.5rem;
}

.cur-section__title {
    font-size: 1.75rem;
    font-weight: 800;
    color: #111827;
    margin-bottom: 0.75rem;
    line-height: 1.2;
}

.cur-section__desc {
    font-size: 1.05rem;
    color: #6b7280;
    line-height: 1.65;
}

@media (min-width: 768px) {
    .cur-section__title {
        font-size: 2.25rem;
    }
}

/* =============================================================================
   OVERVIEW / INTRO
   ============================================================================= */

.cur-overview {
    max-width: 52rem;
    margin: 0 auto;
    display: grid;
    gap: 1.5rem;
}

.cur-overview p {
    font-size: 1.05rem;
    line-height: 1.75;
    color: #374151;
}

.cur-overview strong {
    color: var(--cur-primary-dark);
}

/* =============================================================================
   FEATURE / TOPIC CARDS
   ============================================================================= */

.cur-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

@media (min-width: 640px) {
    .cur-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .cur-cards--3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

.cur-card {
    background: #fff;
    border-radius: var(--cur-radius);
    padding: 1.75rem;
    box-shadow: var(--cur-shadow);
    border: 1px solid #e5e7eb;
    transition: transform var(--cur-transition), box-shadow var(--cur-transition);
}

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

.cur-card__icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.625rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    color: #fff;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--cur-primary), var(--cur-blue));
}

.cur-card__title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 0.5rem;
}

.cur-card__text {
    font-size: 0.925rem;
    color: #6b7280;
    line-height: 1.6;
}

/* =============================================================================
   APPROACH / STEPS
   ============================================================================= */

.cur-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    max-width: 52rem;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .cur-steps {
        grid-template-columns: repeat(3, 1fr);
    }
}

.cur-step {
    text-align: center;
    padding: 2rem 1.25rem;
}

.cur-step__number {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--cur-primary), var(--cur-blue));
    color: #fff;
    font-size: 1.5rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    box-shadow: 0 4px 12px rgba(46, 139, 87, 0.3);
}

.cur-step__title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 0.5rem;
}

.cur-step__text {
    font-size: 0.925rem;
    color: #6b7280;
    line-height: 1.6;
}

/* =============================================================================
   TESTIMONIALS
   ============================================================================= */

.cur-testimonials {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    max-width: 64rem;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .cur-testimonials--2 {
        grid-template-columns: repeat(2, 1fr);
    }
    .cur-testimonials--3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

.cur-testimonial {
    background: #fff;
    border-radius: var(--cur-radius);
    padding: 2rem;
    box-shadow: var(--cur-shadow);
    border-left: 4px solid var(--cur-primary);
    position: relative;
}

.cur-testimonial::before {
    content: '\201C';
    position: absolute;
    top: 0.5rem;
    right: 1.25rem;
    font-size: 4rem;
    line-height: 1;
    color: rgba(46, 139, 87, 0.1);
    font-family: Georgia, serif;
}

.cur-testimonial__text {
    font-size: 0.95rem;
    color: #374151;
    line-height: 1.7;
    margin-bottom: 1.25rem;
    font-style: italic;
}

.cur-testimonial__author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.cur-testimonial__avatar {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--cur-primary), var(--cur-blue));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
}

.cur-testimonial__name {
    font-size: 0.9rem;
    font-weight: 700;
    color: #111827;
}

.cur-testimonial__role {
    font-size: 0.8rem;
    color: #9ca3af;
}

/* =============================================================================
   UPCOMING SESSIONS (Dynamic)
   ============================================================================= */

.cur-sessions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    max-width: 52rem;
    margin: 0 auto;
}

@media (min-width: 640px) {
    .cur-sessions {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

.cur-session {
    background: #fff;
    border-radius: var(--cur-radius);
    padding: 1.5rem;
    box-shadow: var(--cur-shadow);
    border: 1px solid #e5e7eb;
    transition: transform var(--cur-transition), box-shadow var(--cur-transition);
}

.cur-session:hover {
    transform: translateY(-3px);
    box-shadow: var(--cur-shadow-hover);
}

.cur-session__schedule {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin-bottom: 1rem;
}

.cur-session__detail {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: #4b5563;
}

.cur-session__detail i {
    width: 1rem;
    text-align: center;
    color: var(--cur-primary);
}

.cur-session__seats {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: #fef2f2;
    color: #dc2626;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.3rem 0.75rem;
    border-radius: 9999px;
    margin-bottom: 1rem;
}

.cur-session__btn {
    display: block;
    text-align: center;
    padding: 0.75rem 1.5rem;
    background: var(--cur-primary);
    color: #fff;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 9999px;
    text-decoration: none;
    transition: var(--cur-transition);
}

.cur-session__btn:hover {
    background: var(--cur-primary-dark);
    transform: translateY(-1px);
}

/* =============================================================================
   WHY US (COMPACT)
   ============================================================================= */

.cur-why {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    max-width: 52rem;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .cur-why {
        grid-template-columns: repeat(3, 1fr);
    }
}

.cur-why__item {
    text-align: center;
    padding: 1.5rem 1rem;
}

.cur-why__icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    background: linear-gradient(135deg, #f0fdf4, #ecfdf5);
    color: var(--cur-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    margin: 0 auto 0.75rem;
}

.cur-why__title {
    font-size: 1rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 0.35rem;
}

.cur-why__text {
    font-size: 0.875rem;
    color: #6b7280;
    line-height: 1.55;
}

/* =============================================================================
   BOTTOM CTA BANNER
   ============================================================================= */

.cur-cta {
    background: linear-gradient(135deg, var(--cur-primary) 0%, var(--cur-blue) 100%);
    padding: 3.5rem 0;
    text-align: center;
    color: #fff;
}

.cur-cta__title {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
}

.cur-cta__text {
    font-size: 1.05rem;
    opacity: 0.9;
    max-width: 32rem;
    margin: 0 auto 2rem;
    line-height: 1.6;
}

.cur-cta__btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2.5rem;
    background: #fff;
    color: var(--cur-primary);
    font-weight: 700;
    font-size: 1rem;
    border-radius: 9999px;
    text-decoration: none;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
    transition: var(--cur-transition);
}

.cur-cta__btn:hover {
    background: #f0fdf4;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

@media (min-width: 768px) {
    .cur-cta__title {
        font-size: 2.25rem;
    }
}

/* =============================================================================
   COMPARISON TABLE (SL vs HL, etc.)
   ============================================================================= */

.cur-table-wrap {
    max-width: 52rem;
    margin: 0 auto;
    overflow-x: auto;
}

.cur-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    border-radius: var(--cur-radius);
    overflow: hidden;
    box-shadow: var(--cur-shadow);
}

.cur-table thead th {
    background: linear-gradient(135deg, var(--cur-primary), var(--cur-blue));
    color: #fff;
    padding: 1rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 700;
    text-align: left;
}

.cur-table tbody td {
    padding: 0.85rem 1.25rem;
    font-size: 0.9rem;
    color: #374151;
    border-bottom: 1px solid #e5e7eb;
}

.cur-table tbody tr:last-child td {
    border-bottom: none;
}

.cur-table tbody tr:nth-child(even) {
    background: #f9fafb;
}

/* =============================================================================
   PROGRAMS LISTING PAGE (index /math/)
   ============================================================================= */

.cur-listing {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .cur-listing {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .cur-listing {
        grid-template-columns: repeat(3, 1fr);
    }
}

.cur-listing-card {
    background: #fff;
    border-radius: var(--cur-radius);
    overflow: hidden;
    box-shadow: var(--cur-shadow);
    display: flex;
    flex-direction: column;
    transition: transform var(--cur-transition), box-shadow var(--cur-transition);
}

.cur-listing-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--cur-shadow-hover);
}

.cur-listing-card__header {
    background: linear-gradient(135deg, var(--cur-primary), var(--cur-blue));
    padding: 1.75rem 1.5rem;
    color: #fff;
}

.cur-listing-card__icon {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 0.5rem;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.cur-listing-card__title {
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.3;
}

.cur-listing-card__body {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.cur-listing-card__desc {
    font-size: 0.925rem;
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 1rem;
    flex: 1;
}

.cur-listing-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1.25rem;
}

.cur-listing-card__tag {
    font-size: 0.75rem;
    font-weight: 600;
    background: #f0fdf4;
    color: var(--cur-primary);
    padding: 0.25rem 0.6rem;
    border-radius: 9999px;
}

.cur-listing-card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--cur-primary);
    text-decoration: none;
    transition: var(--cur-transition);
}

.cur-listing-card__link:hover {
    color: var(--cur-primary-dark);
    gap: 0.75rem;
}

/* =============================================================================
   FAQ SECTION (Curriculum page)
   ============================================================================= */

.cur-faq {
    max-width: 48rem;
    margin: 0 auto;
}

.cur-faq__item {
    border-bottom: 1px solid #e5e7eb;
}

.cur-faq__question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 1.25rem 0;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.05rem;
    font-weight: 600;
    color: #111827;
    text-align: left;
    transition: color var(--cur-transition);
}

.cur-faq__question:hover {
    color: var(--cur-primary);
}

.cur-faq__question i {
    font-size: 0.85rem;
    color: #9ca3af;
    transition: transform var(--cur-transition);
}

.cur-faq__item.active .cur-faq__question i {
    transform: rotate(180deg);
}

.cur-faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
}

.cur-faq__item.active .cur-faq__answer {
    max-height: 500px;
    padding-bottom: 1.25rem;
}

.cur-faq__answer p {
    font-size: 0.95rem;
    color: #6b7280;
    line-height: 1.7;
}

/* =============================================================================
   INLINE CTA (mid-page)
   ============================================================================= */

.cur-inline-cta {
    background: linear-gradient(135deg, #f0fdf4 0%, #e0f2fe 100%);
    border: 1px solid #bbf7d0;
    border-radius: var(--cur-radius);
    padding: 2rem;
    text-align: center;
    max-width: 44rem;
    margin: 0 auto;
}

.cur-inline-cta__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 0.5rem;
}

.cur-inline-cta__text {
    font-size: 0.95rem;
    color: #6b7280;
    margin-bottom: 1.25rem;
}

.cur-inline-cta__btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 2rem;
    background: var(--cur-primary);
    color: #fff;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 9999px;
    text-decoration: none;
    transition: var(--cur-transition);
}

.cur-inline-cta__btn:hover {
    background: var(--cur-primary-dark);
    transform: translateY(-1px);
}