/* ============================================
   بنيان السماء — Homepage v3.1
   Mobile-first • CSS Grid • Scroll-snap
   Font: Almarai | Prefix: bh-
   ============================================ */

:root {
    --bh-accent: #E8720C;
    --bh-accent-dark: #C65E08;
    --bh-accent-light: #FFF7ED;
    --bh-accent-glow: rgba(232,114,12,0.12);
    --bh-accent-subtle: rgba(232,114,12,0.05);
    --bh-gold: #C6933A;
    --bh-gold-light: #FFFBEB;
    --bh-gold-subtle: rgba(198,147,58,0.08);
    --bh-emerald: #059669;
    --bh-emerald-subtle: rgba(5,150,105,0.07);
    --bh-purple: #7C3AED;
    --bh-purple-subtle: rgba(124,58,237,0.07);
    --bh-rose: #E11D48;
    --bh-navy: #0D1B2A;
    --bh-navy-mid: #152638;
    --bh-navy-light: #1E3A50;
    --bh-text: #1E293B;
    --bh-text-secondary: #475569;
    --bh-text-muted: #94A3B8;
    --bh-bg: #FFFFFF;
    --bh-bg-alt: #F8FAFC;
    --bh-bg-muted: #F1F5F9;
    --bh-surface: #FFFFFF;
    --bh-border: #E2E8F0;
    --bh-border-light: #F1F5F9;
    --bh-radius-xs: 6px;
    --bh-radius-sm: 10px;
    --bh-radius: 14px;
    --bh-radius-lg: 18px;
    --bh-radius-xl: 24px;
    --bh-radius-full: 100px;
    --bh-shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
    --bh-shadow-sm: 0 1px 4px rgba(0,0,0,0.06);
    --bh-shadow: 0 2px 8px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.04);
    --bh-shadow-md: 0 6px 20px rgba(0,0,0,0.08);
    --bh-shadow-lg: 0 12px 40px rgba(0,0,0,0.1);
    --bh-shadow-accent: 0 6px 24px rgba(232,114,12,0.22);
    --bh-font: 'Almarai', 'Segoe UI', Tahoma, sans-serif;
    --bh-ease: cubic-bezier(0.22, 1, 0.36, 1);
    --bh-duration: 0.25s;
}

/* ===========================
   BASE
   =========================== */
.bh-section {
    padding: 48px 0;
    font-family: var(--bh-font);
}
.bh-section--alt { background: var(--bh-bg-alt); }

@media (min-width: 768px) {
    .bh-section { padding: 72px 0; }
}
@media (min-width: 992px) {
    .bh-section { padding: 88px 0; }
}

/* ===========================
   SECTION HEADER
   =========================== */
.bh-section-hdr {
    text-align: center;
    margin-bottom: 28px;
}
.bh-section-hdr__badge {
    display: inline-flex;
    align-items: center;
    padding: 5px 14px;
    border-radius: var(--bh-radius-full);
    background: var(--bh-accent-subtle);
    color: var(--bh-accent);
    font-family: var(--bh-font);
    font-weight: 700;
    font-size: 12px;
    margin-bottom: 12px;
}
.bh-section-hdr__title {
    font-family: var(--bh-font);
    font-size: 20px;
    font-weight: 800;
    color: var(--bh-text);
    margin: 0 0 10px;
    line-height: 1.4;
}
.bh-section-hdr__desc {
    font-family: var(--bh-font);
    font-size: 14px;
    color: var(--bh-text-secondary);
    max-width: 550px;
    margin: 0 auto;
    line-height: 1.75;
}

@media (min-width: 768px) {
    .bh-section-hdr { margin-bottom: 40px; }
    .bh-section-hdr__badge { font-size: 13px; padding: 6px 18px; }
    .bh-section-hdr__title { font-size: 28px; }
    .bh-section-hdr__desc { font-size: 15px; }
}
@media (min-width: 992px) {
    .bh-section-hdr { margin-bottom: 52px; }
    .bh-section-hdr__title { font-size: 34px; }
}

/* ===========================
   BUTTONS
   =========================== */
.bh-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--bh-radius-sm);
    font-family: var(--bh-font);
    font-weight: 700;
    font-size: 14px;
    border: 2px solid transparent;
    text-decoration: none !important;
    white-space: nowrap;
    cursor: pointer;
    line-height: 1.5;
    transition: all var(--bh-duration) var(--bh-ease);
    -webkit-tap-highlight-color: transparent;
    min-height: 48px;
}
.bh-btn svg { flex-shrink: 0; }

.bh-btn--primary {
    background: var(--bh-accent);
    color: #fff !important;
    border-color: var(--bh-accent);
    box-shadow: 0 2px 8px rgba(232,114,12,0.2);
}
.bh-btn--primary:hover {
    background: var(--bh-accent-dark);
    border-color: var(--bh-accent-dark);
    box-shadow: var(--bh-shadow-accent);
    transform: translateY(-1px);
    color: #fff !important;
}
.bh-btn--primary:active { transform: translateY(0); box-shadow: none; }

.bh-btn--outline {
    background: var(--bh-bg);
    color: var(--bh-text) !important;
    border-color: var(--bh-border);
}
.bh-btn--outline:hover {
    border-color: var(--bh-accent);
    color: var(--bh-accent) !important;
    background: var(--bh-accent-light);
}

.bh-btn--white {
    background: rgba(255,255,255,0.1);
    color: #fff !important;
    border-color: rgba(255,255,255,0.25);
    backdrop-filter: blur(4px);
}
.bh-btn--white:hover {
    background: #fff;
    color: var(--bh-navy) !important;
    border-color: #fff;
}

.bh-btn--gold {
    background: var(--bh-accent);
    color: #fff !important;
    border-color: var(--bh-accent);
    box-shadow: 0 2px 8px rgba(232,114,12,0.25);
}
.bh-btn--gold:hover {
    background: var(--bh-accent-dark);
    border-color: var(--bh-accent-dark);
    transform: translateY(-1px);
    color: #fff !important;
}

.bh-btn--lg { padding: 14px 32px; font-size: 15px; }
.bh-btn--full { width: 100%; }

/* ===========================
   GRID SYSTEM
   =========================== */
.bh-grid {
    display: grid;
    gap: 12px;
}

/* Categories: 2 cols mobile, 3 cols desktop */
.bh-grid--cats {
    grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 768px) {
    .bh-grid--cats { grid-template-columns: repeat(3, 1fr); gap: 16px; }
}
@media (min-width: 1200px) {
    .bh-grid--cats { grid-template-columns: repeat(4, 1fr); }
}

/* Features: 2 cols mobile, 4 cols desktop */
.bh-grid--features {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}
@media (min-width: 768px) {
    .bh-grid--features { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}
@media (min-width: 992px) {
    .bh-grid--features { grid-template-columns: repeat(4, 1fr); }
}

/* Scroll grids: horizontal scroll on mobile, grid on desktop */
.bh-grid--scroll {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 12px;
    padding-bottom: 4px;
    scrollbar-width: none;
    margin-left: -16px;
    margin-right: -16px;
    padding-left: 16px;
    padding-right: 16px;
}
.bh-grid--scroll::-webkit-scrollbar { display: none; }
.bh-grid--scroll > .bh-grid__item {
    flex: 0 0 78%;
    scroll-snap-align: start;
    min-width: 0;
}

@media (min-width: 768px) {
    .bh-grid--scroll {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        overflow: visible;
        scroll-snap-type: none;
        margin-left: 0;
        margin-right: 0;
        padding-left: 0;
        padding-right: 0;
        gap: 16px;
    }
    .bh-grid--scroll > .bh-grid__item {
        flex: none;
    }
}
@media (min-width: 992px) {
    .bh-grid--scroll { grid-template-columns: repeat(3, 1fr); }
}

/* Books variant: narrower cards on mobile */
.bh-grid--books > .bh-grid__item {
    flex: 0 0 68%;
}
@media (min-width: 992px) {
    .bh-grid--books { grid-template-columns: repeat(4, 1fr); }
}

/* ===========================
   1. HERO
   =========================== */
.bh-hero {
    position: relative;
    padding: 48px 0 40px;
    background: url('/assets/design_1/img/hero-bg.jpg') center/cover no-repeat;
    overflow: hidden;
    font-family: var(--bh-font);
    text-align: center;
}
.bh-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg, rgba(13,27,42,0.93) 0%, rgba(13,27,42,0.85) 40%, rgba(13,27,42,0.7) 100%);
    z-index: 1;
}
.bh-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(45deg, transparent, transparent 40px, rgba(232,114,12,0.03) 40px, rgba(232,114,12,0.03) 41px),
        repeating-linear-gradient(-45deg, transparent, transparent 40px, rgba(255,255,255,0.015) 40px, rgba(255,255,255,0.015) 41px);
    z-index: 1;
    pointer-events: none;
}
.bh-hero > .container {
    position: relative;
    z-index: 2;
}
.bh-hero__content {
    max-width: 100%;
}

@media (min-width: 768px) {
    .bh-hero {
        padding: 80px 0 68px;
        text-align: right;
    }
    .bh-hero__content { max-width: 620px; }
}
@media (min-width: 992px) {
    .bh-hero { padding: 100px 0 88px; min-height: 480px; display: flex; align-items: center; }
    .bh-hero__content { max-width: 660px; }
    .bh-hero .container::before {
        content: '';
        position: absolute;
        left: -120px;
        top: 50%;
        transform: translateY(-50%);
        width: 420px;
        height: 420px;
        border: 1.5px solid rgba(232,114,12,0.1);
        border-radius: 50%;
        pointer-events: none;
    }
    .bh-hero .container::after {
        content: '';
        position: absolute;
        left: -60px;
        top: 50%;
        transform: translateY(-50%);
        width: 280px;
        height: 280px;
        border: 1.5px solid rgba(232,114,12,0.07);
        border-radius: 50%;
        pointer-events: none;
    }
}

.bh-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: var(--bh-radius-full);
    background: rgba(232,114,12,0.12);
    border: 1px solid rgba(232,114,12,0.2);
    color: #F59E0B;
    font-family: var(--bh-font);
    font-weight: 700;
    font-size: 12px;
    margin-bottom: 16px;
    backdrop-filter: blur(8px);
}
.bh-hero__badge-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #10B981;
    box-shadow: 0 0 0 3px rgba(16,185,129,0.2);
    animation: bhPulse 2s infinite;
}
@keyframes bhPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.bh-hero__title {
    font-family: var(--bh-font);
    font-size: 24px;
    font-weight: 800;
    color: #fff;
    line-height: 1.35;
    margin: 0 0 14px;
}
.bh-hero__hl { color: #F59E0B; }

@media (min-width: 768px) { .bh-hero__title { font-size: 34px; margin-bottom: 18px; } }
@media (min-width: 992px) { .bh-hero__title { font-size: 44px; } }

.bh-hero__desc {
    font-family: var(--bh-font);
    font-size: 14px;
    color: rgba(255,255,255,0.75);
    line-height: 1.8;
    margin: 0 0 24px;
}
@media (min-width: 768px) { .bh-hero__desc { font-size: 16px; max-width: 560px; margin-bottom: 28px; } }

.bh-hero__actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 28px;
    align-items: center;
}
.bh-hero__actions .bh-btn {
    width: 100%;
    max-width: 280px;
}
.bh-hero__actions .bh-btn--primary {
    box-shadow: 0 4px 16px rgba(232,114,12,0.3);
}
.bh-hero__actions .bh-btn--outline {
    color: #fff !important;
    border-color: rgba(255,255,255,0.3);
    background: rgba(255,255,255,0.06);
}
.bh-hero__actions .bh-btn--outline:hover {
    background: #fff;
    color: var(--bh-navy) !important;
    border-color: #fff;
}

@media (min-width: 768px) {
    .bh-hero__actions {
        flex-direction: row;
        align-items: flex-start;
    }
    .bh-hero__actions .bh-btn {
        width: auto;
        max-width: none;
    }
}

/* Hero Stats — 2x2 grid on mobile, inline on desktop */
.bh-hero__stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--bh-radius);
    overflow: hidden;
}
.bh-hero__stat {
    text-align: center;
    padding: 14px 12px;
    background: rgba(13,27,42,0.5);
    backdrop-filter: blur(8px);
}
.bh-hero__stat-num {
    display: block;
    font-family: var(--bh-font);
    font-size: 20px;
    font-weight: 800;
    color: #F59E0B;
    line-height: 1;
}
.bh-hero__stat-label {
    display: block;
    font-family: var(--bh-font);
    font-size: 11px;
    color: rgba(255,255,255,0.6);
    margin-top: 4px;
}

@media (min-width: 768px) {
    .bh-hero__stats {
        display: inline-flex;
        grid-template-columns: none;
        gap: 0;
        background: rgba(255,255,255,0.07);
        border: 1px solid rgba(255,255,255,0.12);
    }
    .bh-hero__stat {
        padding: 18px 28px;
        background: transparent;
        backdrop-filter: none;
        border-left: 1px solid rgba(255,255,255,0.1);
    }
    .bh-hero__stat:last-child { border-left: none; }
    .bh-hero__stat-num { font-size: 24px; }
    .bh-hero__stat-label { font-size: 12px; margin-top: 6px; }
}

/* ===========================
   2. CATEGORIES
   =========================== */
.bh-cats__group { margin-bottom: 32px; }
.bh-cats__group:last-child { margin-bottom: 0; }
.bh-cats__group-hdr {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}
.bh-cats__group-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--bh-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.bh-cats__group-icon--orange { background: var(--bh-accent-glow); color: var(--bh-accent); }
.bh-cats__group-icon--gold { background: var(--bh-gold-subtle); color: var(--bh-gold); }
.bh-cats__group-title {
    font-family: var(--bh-font);
    font-size: 17px;
    font-weight: 800;
    color: var(--bh-text);
    margin: 0;
}

@media (min-width: 768px) {
    .bh-cats__group { margin-bottom: 40px; }
    .bh-cats__group-icon { width: 48px; height: 48px; }
    .bh-cats__group-title { font-size: 19px; }
}

/* Category Cards — Colored tiles */
.bh-cat-card {
    display: flex;
    flex-direction: column;
    background: var(--bh-surface);
    border-radius: var(--bh-radius);
    padding: 16px;
    text-decoration: none !important;
    color: var(--bh-text) !important;
    box-shadow: var(--bh-shadow-sm);
    transition: transform var(--bh-duration) var(--bh-ease), box-shadow var(--bh-duration) var(--bh-ease);
    height: 100%;
    border: 1px solid transparent;
    -webkit-tap-highlight-color: transparent;
}
.bh-cat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--bh-shadow-md);
    color: var(--bh-text) !important;
}

/* Orange variant (القدرات) */
.bh-cat-card--orange {
    background: linear-gradient(145deg, #FFF7ED 0%, #FFEDD5 100%);
    border-color: rgba(232,114,12,0.12);
}
.bh-cat-card--orange:hover { border-color: var(--bh-accent); }
.bh-cat-card--orange .bh-cat-card__icon { background: var(--bh-accent-glow); color: var(--bh-accent); }
.bh-cat-card--orange .bh-cat-card__num { color: var(--bh-accent); }
.bh-cat-card--orange .bh-cat-card__arrow { color: var(--bh-accent); }

/* Gold variant (التحصيلي) */
.bh-cat-card--gold {
    background: linear-gradient(145deg, #FFFBEB 0%, #FEF3C7 100%);
    border-color: rgba(198,147,58,0.12);
}
.bh-cat-card--gold:hover { border-color: var(--bh-gold); }
.bh-cat-card--gold .bh-cat-card__icon { background: var(--bh-gold-subtle); color: var(--bh-gold); }
.bh-cat-card--gold .bh-cat-card__num { color: var(--bh-gold); }
.bh-cat-card--gold .bh-cat-card__arrow { color: var(--bh-gold); }

.bh-cat-card__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}
.bh-cat-card__icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.bh-cat-card__num {
    font-family: var(--bh-font);
    font-size: 28px;
    font-weight: 800;
    line-height: 1;
}
.bh-cat-card__name {
    font-family: var(--bh-font);
    font-size: 15px;
    font-weight: 700;
    color: var(--bh-text);
    margin: 0 0 4px;
}
.bh-cat-card__count {
    font-family: var(--bh-font);
    font-size: 12px;
    color: var(--bh-text-muted);
}
.bh-cat-card__arrow {
    display: inline-flex;
    margin-top: 10px;
    transition: transform var(--bh-duration) var(--bh-ease);
}
.bh-cat-card:hover .bh-cat-card__arrow { transform: translateX(-4px); }

@media (min-width: 768px) {
    .bh-cat-card { padding: 22px; }
    .bh-cat-card__icon { width: 40px; height: 40px; }
    .bh-cat-card__num { font-size: 32px; }
    .bh-cat-card__name { font-size: 16px; }
    .bh-cat-card__count { font-size: 13px; }
}

/* ===========================
   3. COURSES (Swiper)
   =========================== */
.bh-courses__tabs {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-bottom: 20px;
}
.bh-courses__tab {
    padding: 8px 16px;
    border-radius: var(--bh-radius-full);
    border: 1.5px solid var(--bh-border);
    background: var(--bh-bg);
    color: var(--bh-text-secondary);
    font-family: var(--bh-font);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--bh-duration);
    -webkit-tap-highlight-color: transparent;
    min-height: 40px;
}
.bh-courses__tab:hover { border-color: var(--bh-accent); color: var(--bh-accent); }
.bh-courses__tab--active {
    background: var(--bh-accent);
    border-color: var(--bh-accent);
    color: #fff;
}
.bh-courses__tab--active:hover { background: var(--bh-accent-dark); color: #fff; }

@media (min-width: 768px) {
    .bh-courses__tabs { gap: 8px; margin-bottom: 32px; }
    .bh-courses__tab { font-size: 13px; padding: 8px 22px; }
}

.bh-course-card {
    display: flex;
    flex-direction: column;
    background: var(--bh-surface);
    border-radius: var(--bh-radius-lg);
    overflow: hidden;
    text-decoration: none !important;
    color: var(--bh-text) !important;
    box-shadow: var(--bh-shadow);
    transition: transform var(--bh-duration) var(--bh-ease), box-shadow var(--bh-duration) var(--bh-ease);
    height: 100%;
}
.bh-course-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--bh-shadow-lg);
    color: var(--bh-text) !important;
}
.bh-course-card__img-wrap { position: relative; overflow: hidden; }
.bh-course-card__img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    display: block;
    background: var(--bh-bg-muted);
    transition: transform 0.4s var(--bh-ease);
}
.bh-course-card:hover .bh-course-card__img { transform: scale(1.04); }
@media (min-width: 768px) { .bh-course-card__img { height: 180px; } }

.bh-course-card__badge {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 3px 10px;
    border-radius: var(--bh-radius-xs);
    font-family: var(--bh-font);
    font-size: 11px;
    font-weight: 700;
    background: var(--bh-accent);
    color: #fff;
    z-index: 1;
}
.bh-course-card__body {
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
@media (min-width: 768px) { .bh-course-card__body { padding: 18px 20px; } }

.bh-course-card__title {
    font-family: var(--bh-font);
    font-size: 14px;
    font-weight: 700;
    color: var(--bh-text);
    margin: 0 0 10px;
    line-height: 1.55;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
@media (min-width: 768px) { .bh-course-card__title { font-size: 15px; } }

.bh-course-card__teacher {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}
.bh-course-card__avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}
.bh-course-card__teacher-name {
    font-family: var(--bh-font);
    font-size: 12px;
    color: var(--bh-text-secondary);
}
.bh-course-card__meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--bh-font);
    font-size: 11px;
    color: var(--bh-text-muted);
    margin-bottom: 10px;
}
.bh-course-card__meta span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.bh-course-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 10px;
    border-top: 1px solid var(--bh-border-light);
    margin-top: auto;
}
.bh-course-card__price {
    font-family: var(--bh-font);
    font-size: 16px;
    font-weight: 800;
    color: var(--bh-accent);
}
.bh-course-card__price--free { color: var(--bh-emerald); }
.bh-course-card__price-old {
    font-size: 12px;
    color: var(--bh-text-muted);
    text-decoration: line-through;
    margin-right: 6px;
}

/* Courses nav */
.bh-courses__nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 14px;
    margin-top: 24px;
}
.bh-courses__nav-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1.5px solid var(--bh-border);
    background: var(--bh-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--bh-text-secondary);
    transition: all var(--bh-duration);
    -webkit-tap-highlight-color: transparent;
}
.bh-courses__nav-btn:hover {
    border-color: var(--bh-accent);
    color: var(--bh-accent);
}
.bh-courses__pagination { display: flex; gap: 5px; }
.bh-courses__pagination .swiper-pagination-bullet {
    width: 7px; height: 7px;
    background: var(--bh-border);
    opacity: 1;
    border-radius: 50%;
    transition: all var(--bh-duration);
}
.bh-courses__pagination .swiper-pagination-bullet-active {
    background: var(--bh-accent);
    width: 20px;
    border-radius: 4px;
}

/* ===========================
   4. FEATURES
   =========================== */
.bh-feature-card {
    background: var(--bh-surface);
    border-radius: var(--bh-radius);
    padding: 18px;
    text-align: center;
    height: 100%;
    box-shadow: var(--bh-shadow-sm);
    transition: transform var(--bh-duration) var(--bh-ease), box-shadow var(--bh-duration) var(--bh-ease);
}
.bh-feature-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--bh-shadow-md);
}
.bh-feature-card__icon {
    width: 44px;
    height: 44px;
    border-radius: var(--bh-radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
}
.bh-feature-card__icon--orange { background: var(--bh-accent-glow); color: var(--bh-accent); }
.bh-feature-card__icon--gold { background: var(--bh-gold-subtle); color: var(--bh-gold); }
.bh-feature-card__icon--green { background: var(--bh-emerald-subtle); color: var(--bh-emerald); }
.bh-feature-card__icon--purple { background: var(--bh-purple-subtle); color: var(--bh-purple); }

.bh-feature-card__title {
    font-family: var(--bh-font);
    font-size: 14px;
    font-weight: 700;
    color: var(--bh-text);
    margin: 0 0 6px;
}
.bh-feature-card__desc {
    font-family: var(--bh-font);
    font-size: 12px;
    color: var(--bh-text-secondary);
    line-height: 1.6;
    margin: 0;
}

@media (min-width: 768px) {
    .bh-feature-card { padding: 28px; }
    .bh-feature-card__icon { width: 56px; height: 56px; margin-bottom: 16px; }
    .bh-feature-card__title { font-size: 17px; margin-bottom: 10px; }
    .bh-feature-card__desc { font-size: 14px; line-height: 1.75; }
}

/* ===========================
   5. INSTRUCTORS
   =========================== */
.bh-instructor-card {
    background: var(--bh-surface);
    border-radius: var(--bh-radius-lg);
    padding: 24px 20px;
    text-align: center;
    height: 100%;
    box-shadow: var(--bh-shadow-sm);
    transition: transform var(--bh-duration) var(--bh-ease), box-shadow var(--bh-duration) var(--bh-ease);
}
.bh-instructor-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--bh-shadow-md);
}
.bh-instructor-card__avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 12px;
    display: block;
    border: 3px solid var(--bh-accent-light);
}
.bh-instructor-card__name {
    font-family: var(--bh-font);
    font-size: 16px;
    font-weight: 800;
    color: var(--bh-text);
    margin: 0 0 4px;
}
.bh-instructor-card__bio {
    font-family: var(--bh-font);
    font-size: 12px;
    color: var(--bh-text-secondary);
    line-height: 1.6;
    margin: 0 0 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.bh-instructor-card__stat {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 14px;
    border-radius: var(--bh-radius-full);
    background: var(--bh-accent-subtle);
    font-family: var(--bh-font);
    font-size: 12px;
    font-weight: 700;
    color: var(--bh-accent);
}

@media (min-width: 768px) {
    .bh-instructor-card { padding: 32px 28px; }
    .bh-instructor-card__avatar { width: 88px; height: 88px; margin-bottom: 16px; }
    .bh-instructor-card__name { font-size: 18px; }
    .bh-instructor-card__bio { font-size: 13px; }
    .bh-instructor-card__stat { font-size: 13px; }
}

/* ===========================
   6. TESTIMONIALS (Swiper)
   =========================== */
.bh-testimonial-card {
    background: var(--bh-surface);
    border-radius: var(--bh-radius-lg);
    padding: 20px;
    height: 100%;
    box-shadow: var(--bh-shadow-sm);
    transition: transform var(--bh-duration) var(--bh-ease), box-shadow var(--bh-duration) var(--bh-ease);
    display: flex;
    flex-direction: column;
}
.bh-testimonial-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--bh-shadow-md);
}
.bh-testimonial-card__stars { display: flex; gap: 2px; margin-bottom: 12px; }
.bh-testimonial-card__text {
    font-family: var(--bh-font);
    font-size: 14px;
    color: var(--bh-text);
    line-height: 1.8;
    margin: 0 0 16px;
    flex: 1;
}
.bh-testimonial-card__author {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-top: 12px;
    border-top: 1px solid var(--bh-border-light);
}
.bh-testimonial-card__avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--bh-font);
    font-weight: 800;
    font-size: 14px;
    color: #fff;
    flex-shrink: 0;
}
.bh-testimonial-card__name {
    font-family: var(--bh-font);
    font-size: 13px;
    font-weight: 700;
    color: var(--bh-text);
    margin: 0;
}
.bh-testimonial-card__role {
    font-family: var(--bh-font);
    font-size: 11px;
    color: var(--bh-text-muted);
    margin: 2px 0 0;
}

@media (min-width: 768px) {
    .bh-testimonial-card { padding: 28px; }
    .bh-testimonial-card__text { font-size: 15px; }
    .bh-testimonial-card__name { font-size: 14px; }
}

.bh-testimonials__nav { display: flex; justify-content: center; margin-top: 20px; }
.bh-testimonials__pagination { display: flex; gap: 5px; }
.bh-testimonials__pagination .swiper-pagination-bullet {
    width: 7px; height: 7px;
    background: var(--bh-border);
    opacity: 1; border-radius: 50%;
    transition: all var(--bh-duration);
}
.bh-testimonials__pagination .swiper-pagination-bullet-active {
    background: var(--bh-accent);
    width: 20px; border-radius: 4px;
}

/* ===========================
   7. BOOKS
   =========================== */
.bh-book-card {
    display: flex;
    flex-direction: column;
    background: var(--bh-surface);
    border-radius: var(--bh-radius-lg);
    overflow: hidden;
    height: 100%;
    box-shadow: var(--bh-shadow-sm);
    text-decoration: none !important;
    color: var(--bh-text) !important;
    transition: transform var(--bh-duration) var(--bh-ease), box-shadow var(--bh-duration) var(--bh-ease);
}
.bh-book-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--bh-shadow-md);
    color: var(--bh-text) !important;
}
.bh-book-card__cover {
    position: relative;
    overflow: hidden;
    background: var(--bh-bg-muted);
}
.bh-book-card__cover img {
    width: 100%;
    height: 170px;
    object-fit: cover;
    display: block;
    transition: transform 0.4s var(--bh-ease);
}
.bh-book-card:hover .bh-book-card__cover img { transform: scale(1.04); }
@media (min-width: 768px) { .bh-book-card__cover img { height: 200px; } }

.bh-book-card__sale {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 3px 10px;
    border-radius: var(--bh-radius-xs);
    font-family: var(--bh-font);
    font-size: 11px;
    font-weight: 700;
    background: var(--bh-rose);
    color: #fff;
}
.bh-book-card__body { padding: 14px 16px; }
@media (min-width: 768px) { .bh-book-card__body { padding: 18px 20px; } }

.bh-book-card__title {
    font-family: var(--bh-font);
    font-size: 14px;
    font-weight: 700;
    color: var(--bh-text);
    margin: 0 0 10px;
    line-height: 1.5;
}
.bh-book-card__price {
    font-family: var(--bh-font);
    font-size: 16px;
    font-weight: 800;
    color: var(--bh-accent);
}
.bh-book-card__price--free { color: var(--bh-emerald); }
.bh-book-card__price-old {
    font-size: 12px;
    color: var(--bh-text-muted);
    text-decoration: line-through;
    margin-right: 6px;
}

/* ===========================
   8. FAQ
   =========================== */
.bh-faq__list { max-width: 720px; margin: 0 auto; }
.bh-faq__item {
    background: var(--bh-surface);
    border-radius: var(--bh-radius);
    margin-bottom: 10px;
    overflow: hidden;
    box-shadow: var(--bh-shadow-xs);
    border: 1px solid var(--bh-border-light);
    transition: box-shadow var(--bh-duration), border-color var(--bh-duration);
}
.bh-faq__item--open {
    border-color: var(--bh-accent);
    box-shadow: var(--bh-shadow), 0 0 0 1px var(--bh-accent-glow);
}
.bh-faq__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 16px 18px;
    background: none;
    border: none;
    cursor: pointer;
    text-align: right;
    font-family: var(--bh-font);
    font-size: 14px;
    font-weight: 700;
    color: var(--bh-text);
    gap: 12px;
    transition: color var(--bh-duration);
    -webkit-tap-highlight-color: transparent;
    min-height: 52px;
}
.bh-faq__item--open .bh-faq__question { color: var(--bh-accent); }
.bh-faq__question svg {
    flex-shrink: 0;
    color: var(--bh-text-muted);
    transition: transform 0.3s var(--bh-ease), color var(--bh-duration);
}
.bh-faq__item--open .bh-faq__question svg { transform: rotate(180deg); color: var(--bh-accent); }
.bh-faq__answer { max-height: 0; overflow: hidden; transition: max-height 0.35s var(--bh-ease); }
.bh-faq__item--open .bh-faq__answer { max-height: 320px; }
.bh-faq__answer p {
    padding: 0 18px 16px;
    margin: 0;
    font-family: var(--bh-font);
    font-size: 13px;
    color: var(--bh-text-secondary);
    line-height: 1.85;
}

@media (min-width: 768px) {
    .bh-faq__question { padding: 20px 24px; font-size: 15px; }
    .bh-faq__answer p { padding: 0 24px 20px; font-size: 14px; }
}

/* ===========================
   9. CTA
   =========================== */
.bh-cta {
    padding: 48px 0;
    background: linear-gradient(150deg, var(--bh-navy) 0%, var(--bh-navy-mid) 50%, var(--bh-navy-light) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
    font-family: var(--bh-font);
}
.bh-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(-45deg, transparent, transparent 35px, rgba(232,114,12,0.04) 35px, rgba(232,114,12,0.04) 36px);
    pointer-events: none;
}
.bh-cta::after {
    content: '';
    position: absolute;
    left: 50%; top: 50%;
    transform: translate(-50%, -50%);
    width: 500px; height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(232,114,12,0.06) 0%, transparent 70%);
    pointer-events: none;
}
.bh-cta > .container { position: relative; z-index: 1; }
.bh-cta__title {
    font-family: var(--bh-font);
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    margin: 0 0 10px;
}
.bh-cta__desc {
    font-family: var(--bh-font);
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    margin: 0 auto 28px;
    max-width: 480px;
    line-height: 1.75;
}
.bh-cta__actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}
.bh-cta__actions .bh-btn { width: 100%; max-width: 280px; }

@media (min-width: 768px) {
    .bh-cta { padding: 72px 0; }
    .bh-cta__title { font-size: 30px; }
    .bh-cta__desc { font-size: 16px; margin-bottom: 36px; }
    .bh-cta__actions { flex-direction: row; justify-content: center; }
    .bh-cta__actions .bh-btn { width: auto; max-width: none; }
}

/* ===========================
   10. CALCULATOR
   =========================== */
.bh-calc-card {
    background: var(--bh-surface);
    border-radius: var(--bh-radius-xl);
    padding: 24px;
    max-width: 660px;
    margin: 0 auto;
    box-shadow: var(--bh-shadow-md);
}
.bh-calc-card__inputs {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    margin-bottom: 14px;
}
.bh-calc-card__field label {
    display: block;
    font-family: var(--bh-font);
    font-size: 13px;
    font-weight: 700;
    color: var(--bh-text);
    margin-bottom: 6px;
}
.bh-calc-card__field input {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid var(--bh-border);
    border-radius: var(--bh-radius-sm);
    font-family: var(--bh-font);
    font-size: 15px;
    font-weight: 700;
    text-align: center;
    color: var(--bh-text);
    background: var(--bh-bg);
    transition: border-color var(--bh-duration), box-shadow var(--bh-duration);
    outline: none;
    min-height: 48px;
}
.bh-calc-card__field input:focus {
    border-color: var(--bh-accent);
    box-shadow: 0 0 0 3px var(--bh-accent-glow);
}
.bh-calc-card__weights {
    text-align: center;
    font-family: var(--bh-font);
    font-size: 11px;
    color: var(--bh-text-muted);
    margin-bottom: 14px;
}
.bh-calc-card__result {
    margin-top: 24px;
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--bh-border-light);
}
.bh-calc-card__result-label {
    font-family: var(--bh-font);
    font-size: 13px;
    color: var(--bh-text-muted);
    margin-bottom: 4px;
    font-weight: 700;
}
.bh-calc-card__result-num {
    font-family: var(--bh-font);
    font-size: 36px;
    font-weight: 800;
    color: var(--bh-accent);
    line-height: 1;
}
.bh-calc-card__result-bar {
    height: 8px;
    background: var(--bh-bg-muted);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 12px;
}
.bh-calc-card__result-fill {
    height: 100%;
    border-radius: 4px;
    background: var(--bh-accent);
    transition: width 0.6s var(--bh-ease);
}
#calcUniversities { text-align: right; }

@media (min-width: 768px) {
    .bh-calc-card { padding: 36px; }
    .bh-calc-card__inputs { grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .bh-calc-card__weights { font-size: 12px; }
    .bh-calc-card__result-num { font-size: 42px; }
}

/* ===========================
   FOCUS STYLES
   =========================== */
.bh-btn:focus-visible,
.bh-courses__tab:focus-visible,
.bh-faq__question:focus-visible,
.bh-courses__nav-btn:focus-visible {
    outline: 2px solid var(--bh-accent);
    outline-offset: 2px;
}

/* ===========================
   DARK MODE
   =========================== */
.dark-mode {
    --bh-bg: #0F172A;
    --bh-bg-alt: #1E293B;
    --bh-bg-muted: #1E293B;
    --bh-surface: #1E293B;
    --bh-text: #F1F5F9;
    --bh-text-secondary: #94A3B8;
    --bh-text-muted: #64748B;
    --bh-border: #334155;
    --bh-border-light: #1E293B;
    --bh-accent-light: rgba(232,114,12,0.15);
    --bh-accent-subtle: rgba(232,114,12,0.1);
    --bh-accent-glow: rgba(232,114,12,0.15);
    --bh-gold-light: rgba(198,147,58,0.12);
    --bh-gold-subtle: rgba(198,147,58,0.12);
    --bh-emerald-subtle: rgba(5,150,105,0.1);
    --bh-purple-subtle: rgba(124,58,237,0.1);
    --bh-shadow-xs: 0 1px 2px rgba(0,0,0,0.2);
    --bh-shadow-sm: 0 2px 6px rgba(0,0,0,0.2);
    --bh-shadow: 0 4px 12px rgba(0,0,0,0.25);
    --bh-shadow-md: 0 8px 24px rgba(0,0,0,0.3);
    --bh-shadow-lg: 0 16px 48px rgba(0,0,0,0.35);
}
.dark-mode .bh-hero::before {
    background: linear-gradient(160deg, rgba(13,27,42,0.96) 0%, rgba(13,27,42,0.9) 40%, rgba(13,27,42,0.8) 100%);
}
.dark-mode .bh-cat-card--orange {
    background: linear-gradient(145deg, rgba(232,114,12,0.08) 0%, rgba(232,114,12,0.04) 100%);
    border-color: rgba(232,114,12,0.15);
}
.dark-mode .bh-cat-card--gold {
    background: linear-gradient(145deg, rgba(198,147,58,0.08) 0%, rgba(198,147,58,0.04) 100%);
    border-color: rgba(198,147,58,0.15);
}
.dark-mode .bh-faq__question { color: var(--bh-text); }
.dark-mode .bh-calc-card__field input {
    background: var(--bh-bg);
    color: var(--bh-text);
    border-color: var(--bh-border);
}
.dark-mode .bh-cta {
    background: linear-gradient(150deg, #000 0%, #0D1B2A 100%);
}