:root {
    --clr-primary: #c5ff47;
    --clr-primary-dark: #a2e43b;
    --clr-dark: #02231f;
    --clr-dark-deep: #0d0e10;
    --clr-gray-600: #6c7378;
    --clr-gray-100: #f3f5f6;
    --clr-white: #ffffff;
    --radius-full: 9999px;
    --radius-lg: 1.5rem;
    --radius-md: 0.75rem;
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.08);

    --container-max: 1200px;
    --gutter: 1rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--clr-dark-deep);
    background: var(--clr-white);
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    display: block;
    border-radius: var(--radius-md);
}

picture img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2rem, 1.6rem + 1.8vw, 3rem);
}

h2 {
    font-size: clamp(1.75rem, 1.35rem + 1.4vw, 2.4rem);
}

h3 {
    font-size: 1.25rem;
}

p {
    margin-bottom: 1.25rem;
    color: var(--clr-gray-600);
}

.text-center { text-align: center; }
.text-light  { color: var(--clr-white); }

.container {
    width: min(100% - 2rem, var(--container-max));
    margin-inline: auto;
}

.section {
    padding: 4.5rem 0;
}

.section--alt-bg {
    background: var(--clr-gray-100);
}

.section--dark {
    background: var(--clr-dark);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    padding: 0.75rem 2rem;
    transition: background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}

.btn--primary {
    background: var(--clr-primary);
    color: var(--clr-dark-deep);
}

.btn--primary:hover {
    background: var(--clr-primary-dark);
}

.btn--secondary {
    background: transparent;
    border: 1px solid var(--clr-dark-deep);
    color: var(--clr-dark-deep);
}

.btn--secondary:hover {
    background: var(--clr-dark-deep);
    color: var(--clr-white);
}

.btn-outline {
    background: var(--clr-white);
    border: 1px solid var(--clr-dark-deep);
    color: var(--clr-dark-deep);
}

.btn-outline:hover {
    background: var(--clr-dark-deep);
    color: var(--clr-white);
}

.site-header {
    padding: 1.25rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(6px);
}

.header-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--clr-white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
    padding: 0.5rem 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.1rem;
}

.logo img {
    width: 128px;
    height: 128px;
}

.main-nav ul {
    display: flex;
    gap: 2rem;
    font-weight: 500;
}

.main-nav a {
    position: relative;
    padding: 0.25rem 0;
}

.main-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 0%;
    height: 2px;
    background: var(--clr-primary);
    transition: width 0.25s ease;
}

.main-nav a:hover::after,
.is-active a::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.cart-link {
    font-weight: 500;
    position: relative;
}

.cart-count {
    margin-left: 0.25rem;
    color: var(--clr-gray-600);
}

.hero {
    padding: 5.5rem 0 4.5rem;
    background: var(--clr-dark);
    color: var(--clr-white);
}

.hero__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero__title {
    margin-bottom: 1.25rem;
}

.hero__subtitle {
    margin-bottom: 2rem;
    color: var(--clr-gray-100);
}

.social-proof {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
}

.avatars {
    display: flex;
    flex-direction: row-reverse;
}

.avatars img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--clr-dark);
    margin-left: -12px;
}

.proof-text {
    font-size: 0.875rem;
}

.hero__image {
    position: relative;
}

.hero__image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.hero__tags {
    position: absolute;
    bottom: 1rem;
    left: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: rgba(0, 0, 0, 0.55);
    color: var(--clr-white);
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    backdrop-filter: blur(4px);
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2.5rem;
}

.course-card {
    background: var(--clr-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

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

.course-card__category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--clr-dark);
    color: var(--clr-white);
    font-size: 0.75rem;
    padding: 0.25rem 0.8rem;
    border-radius: var(--radius-full);
}

.course-card picture {
    position: relative;
    aspect-ratio: 4 / 3;
}

.course-card__body {
    padding: 1.25rem 1.25rem 0.75rem;
    flex-grow: 1;
}

.course-card__title {
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.course-card__author {
    font-size: 0.875rem;
    margin-bottom: 1rem;
    color: var(--clr-gray-600);
}

.course-card__meta {
    display: flex;
    gap: 1.25rem;
    font-size: 0.75rem;
    color: var(--clr-gray-600);
}

.course-card__footer {
    margin-top: auto;
    padding: 1rem 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--clr-gray-100);
}

.price {
    font-weight: 700;
}

.why-choose__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.why-choose__item {
    padding: 2rem;
    border-radius: var(--radius-lg);
    background: var(--clr-white);
    box-shadow: var(--shadow-sm);
    transition: transform 0.25s ease;
}

.why-choose__item:hover {
    transform: translateY(-6px);
}

.why-choose__item--highlight {
    background: var(--clr-primary);
}

.icon-box {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
}

.icon-box img { width: 100%; height: auto; }

.growth__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.benefits-list {
    margin-top: 2rem;
    display: grid;
    gap: 1.25rem;
}

.benefits-list li {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    font-size: 0.9375rem;
}

.benefits-list__icon {
    flex-shrink: 0;
    width: 28px;
}

.testimonials__grid {
    margin-top: 3rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.testimonial {
    background: var(--clr-white);
    border-radius: var(--radius-lg);
    padding: 1.5rem 1.25rem;
    display: flex;
    gap: 1rem;
    box-shadow: var(--shadow-sm);
}

.testimonial__avatar img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
}

.testimonial__text {
    font-size: 0.875rem;
    color: var(--clr-dark-deep);
}

.journey__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: center;
}

.journey__steps {
    margin-top: 2rem;
    display: grid;
    gap: 1rem;
    color: var(--clr-white);
    counter-reset: step;
}

.journey__steps li {
    position: relative;
    padding-left: 3rem;
    line-height: 1.4;
}

.journey__steps span {
    position: absolute;
    left: 0;
    top: 0;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: var(--clr-primary);
    color: var(--clr-dark-deep);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.faq__accordion {
    margin-top: 2.5rem;
    max-width: 800px;
}

.faq__accordion details {
    background: var(--clr-white);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.75rem;
    box-shadow: var(--shadow-sm);
    margin-bottom: 1rem;
}

.faq__accordion summary {
    font-weight: 600;
    cursor: pointer;
    list-style: none;
}

.faq__accordion summary::-webkit-details-marker { display: none; }

.community-cta {
    position: relative;
    padding: 6rem 0;
    background: var(--clr-dark);
    color: var(--clr-white);
}

.community-cta__bg {
    position: absolute;
    inset: 0;
    opacity: 0.15;
}

.community-cta__logo {
    width: 140px;
    margin-bottom: 1.25rem;
}

.site-footer {
    background: var(--clr-dark);
    color: var(--clr-white);
}

.footer-top {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    padding: 4rem 0 2.5rem;
    gap: 2rem;
}

.footer-brand p { color: var(--clr-gray-600); }

.social-links {
    margin-top: 1rem;
    display: flex;
    gap: 1rem;
}

.social-links a img {
    width: 20px;
    height: 20px;
}

.footer-col h4 {
    font-size: 1rem;
    margin-bottom: 1rem;
}

.footer-col ul li + li { margin-top: 0.5rem; }

.footer-col ul a { color: var(--clr-gray-100); }

.subscribe-form {
    display: flex;
    background: var(--clr-white);
    border-radius: var(--radius-full);
    overflow: hidden;
    max-width: 280px;
}

.subscribe-form input {
    flex: 1;
    border: none;
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
    outline: none;
}

.subscribe-form button {
    background: var(--clr-primary);
    border: none;
    padding: 0 1.25rem;
    cursor: pointer;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding: 1.5rem 0;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.legal-nav {
    display: flex;
    gap: 1rem;
}

.legal-nav .dot {
    color: var(--clr-gray-600);
}

.course-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 2rem;
    justify-content: center;
}

.course-tabs .tab {
    background: var(--clr-gray-100);
    border: none;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    cursor: pointer;
    transition: background 0.25s ease;
}

.course-tabs .tab.active,
.course-tabs .tab:hover {
    background: var(--clr-dark-deep);
    color: var(--clr-white);
}

@media (max-width: 992px) {
    .header-wrap { padding: 0.5rem 1rem; }
    .main-nav ul { gap: 1.25rem; }
    .hero__grid,
    .growth__grid,
    .journey__grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero__image,
    .growth__image,
    .journey__image { order: -1; }
    .hero__tags { left: 50%; transform: translateX(-50%); }
}

@media (max-width: 600px) {
    h1 { font-size: 1.85rem; }
    h2 { font-size: 1.5rem; }
    .header-wrap { flex-direction: column; gap: 1rem; }
    .main-nav { display: none; }
}

.hero__title,
.hero__subtitle,
.social-proof .proof-text,
.social-proof .rating {
    color: var(--clr-white) !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
}
.header-wrap {
    height: 60px;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--clr-white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
}
.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.comparison-card {
    border: 1px solid var(--clr-light);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: var(--clr-white);
}

.comparison-card__title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.comparison-card__list {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
}

.comparison-card__list li {
    margin-bottom: .5rem;
}

.btn--primary {
    align-self: center;
    padding: .75rem 1.5rem;
    border-radius: var(--radius-full);
}

.testimonials__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
}

.testimonial {
    background: var(--clr-white);
    padding: 1.5rem;
    border-radius: var(--radius-sm);
    text-align: left;
    position: relative;
}

.testimonial__avatar {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    overflow: hidden;
    border-radius: 50%;
}

.testimonial__avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.testimonial__text {
    font-style: italic;
    color: var(--clr-dark);
    line-height: 1.4;
}

.testimonial__avatar {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.testimonial__avatar img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.section--dark {
    background-color: #02231F;
    color: #fff;
}

.journey {
    padding: 4rem 0;
}

.journey__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 2rem;
}

@media (max-width: 768px) {
    .journey__grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .journey__content {
        margin-bottom: 2rem;
    }
}

.journey__content .section__title {
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 1rem;
}
.journey__content .section__subtitle {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.85;
}

.journey__steps {
    list-style: none;
    margin: 0;
    padding: 0;
}
.journey__steps li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}
.journey__steps li:last-child {
    margin-bottom: 0;
}

.journey__steps li span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: #C5FF47;
    color: #0D0E10;
    border-radius: 50%;
    font-weight: 700;
    font-size: 1rem;
    margin-right: 1rem;
    flex-shrink: 0;
}

.journey__steps li strong {
    margin-right: 0.5rem;
    font-weight: 600;
    color: #fff;
}

.journey__steps li {
    font-size: 1rem;
    line-height: 1.5;
    color: #fff;
}

.journey__content .btn--primary {
    margin-top: 2rem;
    padding: 0.75rem 2rem;
    font-size: 1rem;
    border-radius: 40px;
}

.journey__image img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    display: block;
}

@media (min-width: 1024px) {
    .journey__grid {
        grid-template-columns: 1.2fr 1fr;
    }
}

.cta-community {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 2rem;
}

.cta-wrap {
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
}

.cta-wrap h2,
.cta-wrap p {
    margin-bottom: 1.5rem;
}

.cta-wrap .btn-primary {
    margin-top: 1rem;
}

.community-cta__logo {
    display: block;
    margin: 0 auto 1.5rem;
    width: 300px;
    height: auto;
}

@media (max-width: 576px) {
    .community-cta__logo {
        width: 200px;
    }
}
.community-cta__bg {
    pointer-events: none;
}

.page-hero {
    background-color: #02231F;
    color: #fff;
    padding: 4rem 2rem;
}
.page-hero__title {
    font-size: 2.5rem;
    margin-bottom: .75rem;
}
.page-hero__subtitle {
    font-size: 1.125rem;
    opacity: .85;
}

.who-we-are__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 2rem;
    padding: 4rem 2rem;
    background: #F9F9F9;
}
@media (max-width: 768px) {
    .who-we-are__grid { grid-template-columns: 1fr; text-align: center; }
}
.who-we-are__text p { margin-bottom: 1rem; line-height: 1.6; }
.who-we-are__image img { width:100%; border-radius:8px; }

.metrics {
    padding: 4rem 2rem;
}
.metrics__title { margin-bottom: 2rem; text-align: center; }
.metrics__grid {
    display: flex;
    justify-content: center;
    gap: 4rem;
}
.metrics__item { text-align: center; }
.metrics__number {
    font-size: 2rem;
    color: #C5FF47;
    font-weight: 700;
}
.metrics__label { margin-top: .5rem; opacity: .8; }

.features { padding: 4rem 2rem; }
.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px,1fr));
    gap: 2rem;
    margin-top: 2rem;
}
.feature-card {
    background: #F9F9F9;
    padding: 2rem;
    border-radius: 12px;
    text-align: left;
}
.feature-card--highlight {
    background: #02231F;
    color: #fff;
}
.feature-card--highlight p { color: #fff; }
.feature-card h3 { margin-bottom: 1rem; }

.values { padding: 4rem 2rem; }
.values__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px,1fr));
    gap: 2rem;
    margin-top: 2rem;
}
.value-card {
    background: rgba(255,255,255,0.05);
    padding: 2rem;
    border-radius: 12px;
    text-align: left;
}
.value-card h3 { margin-bottom: .75rem; }

.testimonials { padding: 4rem 2rem; }
.testimonials__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px,1fr));
    gap: 2rem;
    margin-top: 2rem;
}
.testimonial {
    background: #fff;
    padding: 1.5rem;
    border-radius: 8px;
    text-align: left;
}
.testimonial__avatar {
    width: 60px;
    height: 60px;
    overflow: hidden;
    border-radius: 50%;
    margin-bottom: 1rem;
}
.testimonial__avatar img {
    width:100%; height:100%; object-fit:cover;
}
.testimonial__text { font-style: italic; line-height:1.5; }

.cta-community {
    background-color: #02231F;
    color: #fff;
    text-align: center;
    padding: 4rem 2rem;
}
.cta-wrap { max-width: 700px; margin: 0 auto; }
.cta-wrap h2 { font-size: 2rem; margin-bottom: 1rem; }
.cta-wrap p { opacity: .85; margin-bottom: 2rem; }

.map__wrapper {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
    overflow: hidden;
    border-radius: 8px;
}

.map__wrapper iframe {
    width: 100%;
    max-width: 800px;
    height: 400px;
    border: 0;
    display: block;
}

.page-hero {
    padding: 4rem 2rem;
}
.page-hero__title {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: #ffffff;
}
.page-hero__subtitle {
    font-size: 1.125rem;
    color: #ffffff;
    opacity: 0.85;
    line-height: 1.6;
}

.blog-list__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

.blog-card {
    background: #FFFFFF;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    display: flex;
    flex-direction: column;
    transition: transform 0.2s, box-shadow 0.2s;
}
.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.blog-card__thumb img {
    width: 100%;
    height: auto;
    display: block;
}

.blog-card__body {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.blog-card__meta {
    font-size: 0.875rem;
    color: #777;
    margin-bottom: 0.75rem;
    display: flex;
    gap: 1rem;
}

.blog-card__title {
    font-size: 1.25rem;
    margin: 0 0 0.75rem;
    line-height: 1.3;
    color: #02231F;
}
.blog-card__title a {
    text-decoration: none;
    color: inherit;
}
.blog-card__title a:hover {
    text-decoration: underline;
}

.blog-card__excerpt {
    font-size: 1rem;
    line-height: 1.6;
    color: #444;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.btn--secondary {
    align-self: flex-start;
    padding: 0.5rem 1.25rem;
    border: 1px solid #02231F;
    background: transparent;
    color: #02231F;
    border-radius: 40px;
    font-size: 0.95rem;
    transition: background 0.2s, color 0.2s;
}
.btn--secondary:hover {
    background: #02231F;
    color: #fff;
}

.btn--primary {
    padding: 0.75rem 2rem;
    background: #C5FF47;
    color: #0D0E10;
    border: none;
    border-radius: 40px;
    font-size: 1rem;
    transition: background 0.2s;
}
.btn--primary:hover {
    background: #A8E036;
}

.pagination .btn--primary {
    margin-top: 2rem;
}

@media (max-width: 768px) {
    .page-hero {
        padding: 3rem 1rem;
    }
    .page-hero__title {
        font-size: 2rem;
    }
    .blog-list__grid {
        gap: 1.5rem;
    }
}

.post-content {
    max-width: 760px;
    margin: 0 auto;
    padding: 4rem 2rem;
    font-size: 1rem;
    line-height: 1.7;
    color: #333;
    background: #fff;
}

.post-content h2 {
    font-size: 1.75rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: #02231F;
    line-height: 1.3;
}

.post-content p:first-of-type {
    margin-top: 1.5rem;
}

.post-content p {
    margin-bottom: 1.25rem;
}

.post-content ul {
    list-style: disc inside;
    margin-left: 1rem;
    margin-bottom: 1.5rem;
}
.post-content ul li {
    margin-bottom: .75rem;
}

.post-content .btn {
    margin-top: 2rem;
    display: inline-block;
}

@media (max-width: 768px) {
    .post-content {
        padding: 3rem 1rem;
        font-size: .95rem;
    }
    .post-content h2 {
        font-size: 1.5rem;
    }
}

.page-hero.section--dark {
    background-color: #02231F;
    color: #FFFFFF;
    padding: 4rem 2rem;
    text-align: center;
}
.page-hero__title {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}
.page-hero__subtitle {
    font-size: 1.125rem;
    line-height: 1.6;
    opacity: 0.85;
}

.featured-courses .course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px,1fr));
    gap: 2rem;
    padding: 3rem 0;
}
.featured-courses .course-card {
    background: #FFFFFF;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
}
.featured-courses .course-card picture {
    display: block;
    width: 100%;
}
.featured-courses .course-card img {
    width: 100%;
    height: auto;
    display: block;
}
.featured-courses .course-card__category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: rgba(0,35,31,0.85);
    color: #FFF;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    border-radius: 40px;
}
.featured-courses .course-card__body {
    padding: 1.5rem;
    flex-grow: 1;
}
.featured-courses .course-card__title {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
    color: #02231F;
}
.featured-courses .course-card__author {
    font-size: 0.9rem;
    color: #555;
    margin-bottom: 0.75rem;
}
.featured-courses .course-card__meta {
    display: flex;
    gap: 1.5rem;
    font-size: 0.85rem;
    color: #777;
    margin-bottom: 1rem;
}
.featured-courses .course-card__footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid #EEE;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.featured-courses .course-card__footer .price {
    font-weight: 700;
}
.featured-courses .course-card__footer .btn--secondary {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.top-courses {
    padding: 4rem 2rem;
}
.course-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
}
.course-tabs .tab {
    padding: 0.6rem 1.2rem;
    border: 1px solid #CCC;
    border-radius: 40px;
    background: #FFF;
    font-size: 0. ninerem;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}
.course-tabs .tab.active,
.course-tabs .tab:hover {
    background: #02231F;
    color: #FFF;
    border-color: #02231F;
}

.top-courses .course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px,1fr));
    gap: 2rem;
}
.top-courses .course-card {
    background: #FFF;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
}
.top-courses .course-card picture img {
    width: 100%;
    display: block;
}
.top-courses .course-card__body {
    padding: 1rem 1.5rem;
}
.top-courses .course-card__title {
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
    color: #02231F;
}
.top-courses .course-card__author {
    font-size: 0.9rem;
    color: #555;
    margin-bottom: 0.75rem;
}
.top-courses .course-card__meta {
    display: flex;
    gap: 1rem;
    font-size: 0.85rem;
    color: #777;
    margin-bottom: 0.75rem;
}
.top-courses .course-card__excerpt {
    font-size: 0.95rem;
    color: #444;
    margin-bottom: 1rem;
    flex-grow: 1;
}
.top-courses .course-card__footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid #EEE;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.top-courses .course-card__footer .price {
    font-weight: 700;
}
.top-courses .course-card__footer .btn--secondary {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn--primary {
    background: #C5FF47;
    color: #0D0E10;
    border: none;
    border-radius: 40px;
    padding: 0.75rem 2rem;
    font-size: 1rem;
    transition: background 0.2s;
}
.btn--primary:hover {
    background: #A8E036;
}
.btn--secondary {
    background: transparent;
    border: 1px solid #02231F;
    color: #02231F;
    border-radius: 40px;
    padding: 0.5rem 1rem;
    transition: background 0.2s, color 0.2s;
}
.btn--secondary:hover {
    background: #02231F;
    color: #FFF;
}

@media (max-width: 768px) {
    .featured-courses .course-grid,
    .top-courses .course-grid {
        grid-template-columns: 1fr 1fr;
    }
}
@media (max-width: 576px) {
    .featured-courses .course-grid,
    .top-courses .course-grid {
        grid-template-columns: 1fr;
    }
    .course-tabs {
        gap: 0.5rem;
    }
}

.course-card--hidden {
    display: none !important;
}

.section {
    padding: 4rem 2rem;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
}

.page-hero {
    text-align: center;
    padding: 4rem 2rem;
}
.page-hero__title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}
.page-hero__subtitle {
    font-size: 1.125rem;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
}

.course-cover__img {
    width: 100%;
    max-width: 600px;
    height: auto;
    display: block;
    margin: 2rem auto;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.course-detail .section__title {
    font-size: 2rem;
    color: #02231F;
    margin-bottom: 1rem;
}
.course-detail p {
    font-size: 1rem;
    color: #333;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.syllabus.section--dark {
    background-color: #02231F;
    color: #fff;
}
.syllabus {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0;
    list-style: disc inside;
}
.syllabus li {
    margin-bottom: 0.75rem;
    font-size: 1rem;
    line-height: 1.6;
}

.for-whom .section__title {
    margin-bottom: 1rem;
}
.for-whom ul {
    list-style: disc inside;
    max-width: 700px;
    margin: 0 auto;
    padding: 0;
}
.for-whom li {
    margin-bottom: 0.75rem;
    font-size: 1rem;
    color: #333;
}

.instructor__grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
    align-items: center;
}
@media (max-width: 768px) {
    .instructor__grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
}
.instructor__photo img {
    width: 100%;
    max-width: 250px;
    border-radius: 8px;
    display: block;
    margin: 0 auto;
}
.instructor__info h2 {
    font-size: 1.75rem;
    color: #fff;
    margin-bottom: 0.5rem;
}
.instructor__info h3 {
    font-size: 1.5rem;
    color: #C5FF47;
    margin-bottom: 1rem;
}
.instructor__info p {
    line-height: 1.6;
    font-size: 1rem;
}

.faq .section__title {
    margin-bottom: 1.5rem;
}
.faq details {
    border: 1px solid #ccc;
    border-radius: 6px;
    margin-bottom: 1rem;
    overflow: hidden;
}
.faq summary {
    list-style: none;
    cursor: pointer;
    padding: 1rem;
    font-weight: 600;
    background: #F9F9F9;
}
.faq summary::-webkit-details-marker {
    display: none;
}
.faq summary::after {
    content: '+';
    float: right;
    transition: transform 0.2s;
}
.faq details[open] summary::after {
    transform: rotate(45deg);
}
.faq details p {
    padding: 1rem;
    background: #fff;
    margin: 0;
    line-height: 1.6;
}

.enroll-form {
    max-width: 600px;
    margin: 0 auto;
    padding: 2rem 0;
}
.enroll-form .form-group {
    margin-bottom: 1.25rem;
}
.enroll-form label {
    display: block;
    margin-bottom: .5rem;
    font-weight: 600;
}
.enroll-form input,
.enroll-form select,
.enroll-form textarea {
    width: 100%;
    padding: .75rem 1rem;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1rem;
}
.enroll-form textarea {
    resize: vertical;
}
.enroll-form .btn--primary {
    margin-top: 1rem;
}

.contact-info__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px,1fr));
    gap: 2rem;
    padding: 2rem 0;
}
.contact-info__item h3 {
    margin-bottom: .5rem;
}
.contact-info__item address,
.contact-info__item p {
    line-height: 1.6;
}
.contact-info__item a {
    color: #C5FF47;
    text-decoration: none;
}
.contact-info__item a:hover {
    text-decoration: underline;
}

.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}
.hamburger,
.hamburger::before,
.hamburger::after {
    display: block;
    width: 24px;
    height: 3px;
    background: #02231F;
    border-radius: 2px;
    position: relative;
}
.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
}
.hamburger::before { top: -7px; }
.hamburger::after  { top: 7px; }

@media (max-width: 768px) {
    .mobile-nav-toggle {
        display: block;
    }
    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #fff;
        transform: translateY(-100%);
        transition: transform 0.3s ease;
    }
    .main-nav.open {
        transform: translateY(0);
    }
    .main-nav ul {
        flex-direction: column;
        margin: 0;
        padding: 0;
    }
    .main-nav li {
        border-bottom: 1px solid #eee;
    }
    .main-nav a {
        display: block;
        padding: 1rem;
    }
    .header-actions {
        display: none;
    }
}

@media (min-width: 769px) {
    .main-nav ul {
        display: flex;
        gap: 1.5rem;
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.site-header {
    box-shadow: 0 1px 5px rgba(0,0,0,0.05);
    width: 100%;
    top: 0;
    z-index: 500;
}
.header-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}


.main-nav {
    display: flex;
}
.main-nav ul {
    display: flex;
    gap: 1rem;
}
.main-nav a {
    color: #02231F;
    text-decoration: none;
    font-weight: 500;
}
.is-active a {
    color: #C5FF47;
}

.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
}
.hamburger, .hamburger::before, .hamburger::after {
    display: block;
    width: 24px; height: 3px;
    background: #02231F;
    border-radius: 2px;
    position: relative;
}
.hamburger::before, .hamburger::after {
    content: '';
    position: absolute; left: 0;
}
.hamburger::before { top: -7px; }
.hamburger::after  { top: 7px; }

@media (max-width: 768px) {
    .main-nav, .header-actions {
        display: none;
    }
    .mobile-nav-toggle {
        display: block;
    }
    .main-nav.open {
        display: block;
        position: absolute;
        top: 64px;
        left: 0; right: 0;
        background: #fff;
        padding: 1rem 0;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    }
    .main-nav.open ul {
        flex-direction: column;
        gap: 0;
    }
    .main-nav.open li + li {
        margin-top: .5rem;
    }
    .main-nav.open a {
        display: block;
        padding: .75rem 1.5rem;
    }
}
.mobile-nav-toggle {
    display: none;
    position: absolute;
    top: 50%;
    right: 1rem;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    z-index: 2000;
    cursor: pointer;
}
@media (max-width: 768px) {
    .mobile-nav-toggle {
        display: block;
    }
}
.main-nav {
    transition: transform .3s ease, opacity .3s ease;
}
@media (max-width: 768px) {
    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
    }
    .main-nav.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
    .main-nav ul {
        flex-direction: column;
    }
    .main-nav a {
        padding: 1rem;
        display: block;
    }
}

html, body {
    overflow-x: hidden;
}

.section--alt-bg {
    background-color: #F9FAFB;
    padding: 4rem 0;
}
.why-choose__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}
.why-choose__item {
    background-color: #FFFFFF;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
}
.why-choose__item.bg-dark {
    background-color: #02231F;
}
.text-light {
    color: #FFFFFF;
}
.icon-box {
    width: 64px;
    height: 64px;
    margin-bottom: 1rem;
}
.icon-box img {
    max-width: 100%;
    max-height: 100%;
}
.why-choose__item--highlight {
    background-color: #C5FF47;
    color: #02231F;
    box-shadow: 0 6px 16px rgba(197,255,71,0.4);
}
.why-choose__item--highlight .text-light {
    color: inherit;
}
.why-choose__item h3 {
    margin: 1rem 0 0.5rem;
    font-size: 1.25rem;
}
.why-choose__item p {
    font-size: 1rem;
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 768px) {
    .why-choose__grid {
        grid-template-columns: 1fr;
    }
    .section--alt-bg {
        padding: 2.5rem 1rem;
    }
}

.journey.section--dark {
    background-color: #02231F;
    padding: 4rem 1rem;
}
.journey__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-areas: "content image";
    gap: 2rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}
.journey__content {
    grid-area: content;
    color: #FFF;
}
.journey__image {
    grid-area: image;
    text-align: center;
}
.journey__image img {
    width: 100%;
    height: auto;
    max-width: 500px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.journey__content .section__title {
    font-size: 2rem;
    margin-bottom: 1rem;
}
.journey__content .section__subtitle {
    font-size: 1rem;
    opacity: 0.8;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.journey__steps {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem;
}
.journey__steps li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}
.journey__steps li span {
    flex: 0 0 2.5rem;
    height: 2.5rem;
    background: #C5FF47;
    color: #02231F;
    font-weight: bold;
    font-size: 1rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
}
.journey__steps li strong {
    font-size: 1.125rem;
    display: block;
    margin-bottom: 0.25rem;
}

.journey__content .btn--primary {
    display: inline-block;
    padding: 0.75rem 2rem;
    background: #C5FF47;
    color: #02231F;
    border-radius: 40px;
    text-decoration: none;
    font-size: 1rem;
}
.journey__content .btn--primary:hover {
    background: #A8E036;
}

@media (max-width: 768px) {
    .journey__grid {
        grid-template-columns: 1fr;
        grid-template-areas:
      "image"
      "content";
    }
    .journey__image {
        margin-bottom: 2rem;
    }
    .journey__content .section__title {
        font-size: 1.75rem;
    }
    .journey__content .section__subtitle {
        font-size: 0.95rem;
    }
}

.metrics {
    padding: 4rem 1rem;
}
.metrics__title {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #02231F;
    text-align: center;
}
.metrics__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}
.metrics__item {
    background: #FFFFFF;
    border-radius: 8px;
    padding: 2rem 1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.metrics__number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #C5FF47;
    margin-bottom: 0.5rem;
}
.metrics__label {
    font-size: 1rem;
    color: #555;
    text-align: center;
}

@media (max-width: 768px) {
    .metrics {
        padding: 2.5rem 1rem;
    }
    .metrics__title {
        font-size: 1.75rem;
    }
    .metrics__grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .metrics__item {
        padding: 1.5rem 1rem;
    }
    .metrics__number {
        font-size: 2rem;
    }
}
.page-hero__meta { font-size: .95rem; margin-top: .5rem; color: #6c757d; }
.disclaimer {
    margin-top: 1rem;
    font-size: 0.85rem;
    line-height: 1.4;
    color: #6c757d;
}