:root {
    --venn-ink: #17213d;
    --venn-muted: #66708a;
    --venn-primary: #4f46e5;
    --venn-primary-dark: #3730a3;
    --venn-teal: #11b7a3;
    --venn-surface: #ffffff;
    --venn-soft: #f4f6fb;
    --venn-border: #e6e9f2;
}

body {
    color: var(--venn-ink);
    background: #fff;
}

html, body {
    min-height: 100%;
}

body.venn-app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.venn-page-content {
    flex: 1 0 auto;
}

.venn-site-header {
    position: relative;
    z-index: 20;
    background: rgba(255, 255, 255, .94);
    border-bottom: 1px solid var(--venn-border);
    backdrop-filter: blur(18px);
}

.venn-site-header .venn-utility {
    min-height: 38px;
    color: var(--venn-muted);
    background: #f8f9fc;
    border-bottom: 1px solid var(--venn-border);
    font-size: 12px;
}

.venn-utility a { color: var(--venn-muted); }
.venn-utility a:hover { color: var(--venn-primary); }
.venn-utility .utility-right { display: flex; justify-content: flex-end; gap: 18px; align-items: center; }
.venn-utility .utility-right > span { display: inline-flex; align-items: center; gap: 6px; }

.venn-main-nav {
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.venn-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--venn-ink) !important;
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -.04em;
}

.venn-logo-mark {
    width: 34px;
    height: 34px;
    display: inline-grid;
    place-items: center;
    border-radius: 11px;
    color: #fff;
    background: linear-gradient(135deg, var(--venn-primary), #8b5cf6);
    font-size: 17px;
    box-shadow: 0 8px 20px rgba(79, 70, 229, .25);
}

.venn-logo span { color: var(--venn-primary); }
.venn-nav-links { display: flex; align-items: center; gap: 28px; margin: 0; padding: 0; list-style: none; }
.venn-nav-links a { color: var(--venn-muted); font-size: 14px; font-weight: 600; }
.venn-nav-links a:hover, .venn-nav-links .active a { color: var(--venn-primary); }
.venn-nav-actions { display: flex; align-items: center; gap: 10px; }
.venn-nav-actions .theme-picker { border-left: 1px solid var(--venn-border); padding-left: 14px; }
.venn-nav-actions .theme-picker-btn { background: transparent; border: 0; color: var(--venn-muted); }
.venn-nav-actions .theme-picker-btn svg { width: 17px; height: 17px; fill: none; stroke: currentColor; }
.venn-cart { min-width: 40px; }
.venn-cart .shop-cart-btn { position: relative; margin: 0; color: var(--venn-ink); font-size: 21px; }
.venn-cart .product-count { position: absolute; top: -9px; right: -10px; min-width: 18px; height: 18px; line-height: 18px; border-radius: 50%; text-align: center; color: #fff; background: var(--venn-primary); font-size: 10px; }
.venn-mobile-actions { display: none; }

.venn-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    min-height: 46px;
    padding: 0 20px;
    border-radius: 12px;
    border: 1px solid transparent;
    font-size: 14px;
    font-weight: 700;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.venn-btn:hover { transform: translateY(-2px); }
.venn-btn-primary { color: #fff !important; background: var(--venn-primary); box-shadow: 0 10px 24px rgba(79, 70, 229, .22); }
.venn-btn-primary:hover { background: var(--venn-primary-dark); }
.venn-btn-ghost { color: var(--venn-ink) !important; background: #fff; border-color: var(--venn-border); }
.venn-btn-ghost:hover { border-color: #cdd2e2; box-shadow: 0 8px 22px rgba(23, 33, 61, .08); }

.venn-hero {
    position: relative;
    overflow: hidden;
    min-height: 490px;
    display: flex;
    align-items: center;
    background: #111a38;
}
.venn-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(11, 18, 49, .94) 0%, rgba(11, 18, 49, .74) 47%, rgba(11, 18, 49, .18) 100%);
}
.venn-hero::after {
    content: "";
    position: absolute;
    width: 460px;
    height: 460px;
    right: 9%;
    bottom: -250px;
    border-radius: 50%;
    background: rgba(17, 183, 163, .22);
    filter: blur(4px);
}
.venn-hero-slide { background-size: cover; background-position: center; }
.venn-hero-content { position: relative; z-index: 1; max-width: 650px; padding: 90px 0; }
.venn-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 22px;
    padding: 7px 11px;
    color: #a7f3d0;
    background: rgba(17, 183, 163, .14);
    border: 1px solid rgba(167, 243, 208, .3);
    border-radius: 999px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .11em;
    text-transform: uppercase;
}
.venn-eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #5eead4; }
.venn-hero h1 { max-width: 650px; margin-bottom: 20px; color: #fff; font-size: clamp(38px, 5vw, 66px); line-height: 1.03; letter-spacing: -.055em; }
.venn-hero p { max-width: 540px; margin-bottom: 30px; color: rgba(255,255,255,.78); font-size: 17px; line-height: 1.7; }
.venn-hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }
.venn-hero .venn-btn-ghost { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.26); color: #fff !important; }
.venn-hero .venn-btn-ghost:hover { background: rgba(255,255,255,.18); }
.venn-slider-meta { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 40px; color: rgba(255,255,255,.74); font-size: 12px; }
.venn-slider-meta span { display: inline-flex; align-items: center; gap: 7px; }

.venn-feature-area { position: relative; z-index: 2; margin-top: -50px; padding-bottom: 92px; }
.venn-feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.venn-feature-card { min-height: 182px; padding: 26px; border: 1px solid var(--venn-border); border-radius: 18px; background: rgba(255,255,255,.98); box-shadow: 0 18px 45px rgba(23, 33, 61, .09); }
.venn-feature-card .icon-element { width: 44px; height: 44px; margin: 0 0 18px; display: grid; place-items: center; color: var(--venn-primary); background: #eef0ff; border-radius: 13px; font-size: 22px; }
.venn-feature-card h3 { margin-bottom: 8px; color: var(--venn-ink); font-size: 17px; }
.venn-feature-card p { margin: 0; color: var(--venn-muted); font-size: 13px; line-height: 1.7; }

.venn-course-area { padding-bottom: 110px; }
.venn-section-heading { max-width: 660px; margin: 0 auto 36px; text-align: center; }
.venn-kicker { display: block; margin-bottom: 12px; color: var(--venn-primary); font-size: 12px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.venn-section-heading h2 { margin-bottom: 12px; color: var(--venn-ink); font-size: clamp(28px, 3.5vw, 42px); letter-spacing: -.045em; }
.venn-section-heading p { margin: 0; color: var(--venn-muted); line-height: 1.7; }
.venn-course-toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.venn-course-toolbar h3 { margin: 0; color: var(--venn-ink); font-size: 18px; }
.venn-course-toolbar span { color: var(--venn-muted); font-size: 13px; }
.venn-course-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.venn-course-card { overflow: hidden; height: 100%; border: 1px solid var(--venn-border); border-radius: 18px; background: #fff; box-shadow: 0 8px 24px rgba(23, 33, 61, .04); transition: transform .2s ease, box-shadow .2s ease; }
.venn-course-card:hover { transform: translateY(-5px); box-shadow: 0 18px 36px rgba(23, 33, 61, .11); }
.venn-course-image { position: relative; height: 198px; overflow: hidden; background: #e8ebf6; }
.venn-course-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.venn-course-card:hover .venn-course-image img { transform: scale(1.04); }
.venn-course-badge { position: absolute; top: 14px; left: 14px; padding: 6px 9px; color: #fff; background: var(--venn-primary); border-radius: 7px; font-size: 10px; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
.venn-course-body { padding: 20px; }
.venn-course-meta { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; color: var(--venn-muted); font-size: 12px; }
.venn-course-meta span:first-child { color: var(--venn-teal); font-weight: 700; }
.venn-course-title { min-height: 48px; margin-bottom: 15px; font-size: 17px; line-height: 1.4; }
.venn-course-title a { color: var(--venn-ink); }
.venn-course-author { display: flex; align-items: center; gap: 8px; padding-bottom: 17px; color: var(--venn-muted); border-bottom: 1px solid var(--venn-border); font-size: 12px; }
.venn-author-dot { width: 25px; height: 25px; display: grid; place-items: center; color: #fff; background: #c4b5fd; border-radius: 50%; font-size: 11px; font-weight: 800; }
.venn-course-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 16px; }
.venn-course-price { color: var(--venn-ink); font-size: 18px; font-weight: 800; }
.venn-course-price .before-price { margin-left: 5px; color: #a3aabd; font-size: 12px; font-weight: 500; text-decoration: line-through; }
.venn-course-link { color: var(--venn-primary); font-size: 12px; font-weight: 800; }
.venn-empty { padding: 50px 24px; border: 1px dashed #cfd4e4; border-radius: 18px; color: var(--venn-muted); text-align: center; }
.venn-all-courses-area { padding-top: 76px; }
.venn-pagination { display: flex; justify-content: center; margin-top: 38px; }
.venn-pagination nav { width: 100%; }
.venn-pagination .pagination { justify-content: center; margin: 0; gap: 6px; }
.venn-pagination .page-link { color: var(--venn-ink); border: 1px solid var(--venn-border); border-radius: 9px !important; }
.venn-pagination .page-item.active .page-link { color: #fff; background: var(--venn-primary); border-color: var(--venn-primary); }
.venn-footer { padding: 28px 0; color: #7c849d; background: #111a38; }
.venn-footer a { color: #c8cdfd; }
.venn-footer .copy-desc { margin: 0; font-size: 12px; }
.venn-footer-links { display: flex; justify-content: flex-end; gap: 22px; margin: 0; padding: 0; list-style: none; font-size: 12px; }

@media (max-width: 991px) {
    .venn-nav-links { display: none; }
    .venn-mobile-actions { display: flex; margin-left: auto; }
    .venn-main-nav { min-height: 68px; }
    .venn-hero { min-height: 540px; }
    .venn-feature-grid, .venn-course-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 575px) {
    .venn-site-header .container, .venn-hero .container, .venn-course-area .container { padding-right: 20px; padding-left: 20px; }
    .venn-utility .utility-right { justify-content: flex-start; }
    .venn-utility .utility-right > span:last-child { display: none; }
    .venn-hero-content { padding: 70px 0 100px; }
    .venn-hero h1 { font-size: 40px; }
    .venn-feature-area { margin-top: -28px; padding-bottom: 66px; }
    .venn-feature-grid, .venn-course-grid { grid-template-columns: 1fr; }
    .venn-feature-card { min-height: auto; }
    .venn-course-toolbar { align-items: flex-start; flex-direction: column; gap: 6px; }
    .venn-footer-links { justify-content: flex-start; margin-top: 12px; }
    .venn-all-courses-area { padding-top: 54px; }
}