:root {
    --color-primary: #169B62;
    --color-primary-dark: #10784C;
    --color-secondary: #1B4332;
    --color-accent: #52B788;
    --color-neutral-100: #FFFFFF;
    --color-neutral-200: #F5F5F5;
    --color-neutral-400: #B5B5B5;
    --color-neutral-700: #4F4F4F;
    --color-neutral-800: #333333;
    --color-neutral-900: #1A1A1A;
    --gradient-hero: linear-gradient(135deg, rgba(22,155,98,0.95), rgba(27,67,50,0.95));
    --gradient-section: linear-gradient(120deg, rgba(27,67,50,0.08), rgba(22,155,98,0.08));
    --shadow-soft: 0 20px 45px rgba(22,155,98,0.15);
    --shadow-hover: 0 24px 60px rgba(16,120,76,0.2);
    --radius-sm: 0.75rem;
    --radius-md: 1.25rem;
    --radius-lg: 2rem;
    --space-xs: 0.75rem;
    --space-sm: 1rem;
    --space-md: 1.75rem;
    --space-lg: 3rem;
    --space-xl: 5rem;
    --space-xxl: 7rem;
    --font-family-base: 'Roboto', Arial, sans-serif;
    --font-size-base: clamp(1rem, 0.95rem + 0.2vw, 1.12rem);
    --font-size-h1: clamp(2.6rem, 2.2rem + 1.8vw, 4rem);
    --font-size-h2: clamp(2rem, 1.8rem + 1vw, 3rem);
    --font-size-h3: clamp(1.4rem, 1.2rem + 0.6vw, 2rem);
    --line-height-base: 1.7;
    --max-width: 1200px;
    --transition-base: all 0.35s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-neutral-800);
    background: var(--color-neutral-200);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-base);
}

a:hover {
    color: var(--color-primary-dark);
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-sm);
}

.site-header {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 999;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(14px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
    transition: var(--transition-base);
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
}

.site-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.02em;
}

.nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.35rem;
    width: 3rem;
    height: 3rem;
    background: rgba(22, 155, 98, 0.1);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-base);
}

.nav-toggle span {
    height: 3px;
    width: 22px;
    background: var(--color-primary);
    border-radius: 999px;
    transition: var(--transition-base);
    align-self: center;
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
    width: 24px;
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
    width: 24px;
}

.site-nav {
    position: fixed;
    top: 4.5rem;
    left: var(--space-sm);
    right: var(--space-sm);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(18px);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    padding: var(--space-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-base);
}

.site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.nav-list a {
    font-weight: 500;
    color: var(--color-neutral-800);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
}

.nav-list a:hover {
    background: rgba(22, 155, 98, 0.12);
    color: var(--color-primary-dark);
}

.page-hero {
    padding: var(--space-xl) 0;
    background: var(--color-neutral-100);
    position: relative;
    overflow: hidden;
}

.page-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(140deg, rgba(22, 155, 98, 0.05), rgba(27, 67, 50, 0.08));
    pointer-events: none;
}

.page-hero .container {
    position: relative;
    z-index: 1;
}

.page-hero.homepage-hero {
    background: var(--gradient-hero);
    color: var(--color-neutral-100);
    min-height: 85vh;
    display: flex;
    align-items: center;
    padding: var(--space-xxl) 0 var(--space-xl);
}

.page-hero.homepage-hero::after {
    display: none;
}

.page-hero.internal-hero {
    background: linear-gradient(120deg, rgba(22, 155, 98, 0.08), rgba(245, 245, 245, 0.95));
    padding: var(--space-lg) 0 var(--space-xl);
}

.page-hero.internal-hero::after {
    display: none;
}

.page-hero.internal-hero .hero-content {
    max-width: 780px;
    margin: 0 auto;
    text-align: center;
}

.grid {
    display: grid;
    gap: var(--space-md);
}

.grid.hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

.grid.featured-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid.value-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.grid.courses-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid.instructor-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.grid.success-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.hero-content h1 {
    font-size: var(--font-size-h1);
    letter-spacing: -0.015em;
    margin-bottom: var(--space-sm);
}

.hero-content p {
    max-width: 600px;
    margin-top: var(--space-xs);
}

.hero-media {
    position: relative;
}

.hero-media::before {
    content: '';
    position: absolute;
    inset: 12% 8%;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.08);
    z-index: 0;
    filter: blur(20px);
}

.hero-media img {
    position: relative;
    z-index: 1;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-hover);
    object-fit: cover;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    background: rgba(22, 155, 98, 0.16);
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
}

.page-hero.homepage-hero .eyebrow {
    background: rgba(255, 255, 255, 0.18);
    color: var(--color-neutral-100);
}

.highlight {
    color: var(--color-accent);
}

.page-hero.homepage-hero .highlight {
    color: var(--color-neutral-100);
}

.hero-points {
    list-style: none;
    display: grid;
    gap: var(--space-xs);
    margin: var(--space-md) 0;
}

.hero-points li {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
}

.hero-points li::before {
    content: '';
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.7);
    margin-top: 0.45rem;
    flex-shrink: 0;
}

.page-hero.internal-hero .hero-points li::before {
    background: rgba(22, 155, 98, 0.6);
}

.cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
    font-size: 1rem;
    letter-spacing: 0.01em;
}

.btn-primary {
    background: var(--color-neutral-100);
    color: var(--color-primary);
}

.page-hero.homepage-hero .btn-primary {
    background: var(--color-accent);
    color: var(--color-neutral-100);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

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

.btn-secondary:hover {
    background: var(--color-primary);
    color: #fff;
}

.btn-outline {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.6);
    color: var(--color-neutral-100);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.15);
}

.section-block {
    padding: var(--space-xl) 0;
    position: relative;
}

.section-block.light-bg {
    background: var(--color-neutral-100);
}

.section-block.subtle-bg {
    background: var(--gradient-section);
}

.section-heading {
    max-width: 780px;
    margin: 0 auto var(--space-lg);
    text-align: center;
}

.section-heading h2 {
    font-size: var(--font-size-h2);
    color: var(--color-neutral-900);
    letter-spacing: -0.01em;
}

.section-heading p {
    color: rgba(51, 51, 51, 0.75);
    margin-top: var(--space-xs);
}

.card {
    background: var(--color-neutral-100);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    box-shadow: var(--shadow-soft);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(22, 155, 98, 0.06), transparent);
    opacity: 0;
    transition: var(--transition-base);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.card:hover::after {
    opacity: 1;
}

.card h3 {
    font-size: var(--font-size-h3);
    margin-bottom: var(--space-xs);
    color: var(--color-neutral-900);
}

.card p {
    color: rgba(51, 51, 51, 0.78);
}

.icon-bullet {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.icon-bullet span {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(22, 155, 98, 0.12);
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 700;
    color: var(--color-primary);
}

.card .icon-bullet + p {
    margin-top: var(--space-xs);
}

.course-card img {
    width: 100%;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
    height: 200px;
    object-fit: cover;
}

.course-card ul {
    margin-top: var(--space-xs);
    display: grid;
    gap: 0.35rem;
    padding-left: 1.2rem;
    list-style: disc;
    color: rgba(51, 51, 51, 0.72);
}

.tag {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    background: rgba(22, 155, 98, 0.15);
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.82rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: var(--space-xs);
}

.two-column {
    display: grid;
    gap: var(--space-lg);
    grid-template-columns: 1fr;
}

.metrics-grid {
    display: grid;
    gap: var(--space-md);
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.metric-card {
    background: rgba(255, 255, 255, 0.92);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    text-align: center;
    box-shadow: var(--shadow-soft);
}

.metric-card h3 {
    font-size: clamp(2rem, 1.8rem + 1.2vw, 3.2rem);
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.metric-card p {
    color: rgba(51, 51, 51, 0.75);
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.92);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    box-shadow: var(--shadow-soft);
}

.testimonial-card .quote {
    font-style: italic;
    color: rgba(51, 51, 51, 0.75);
}

.testimonial-card .author {
    font-weight: 600;
    color: var(--color-neutral-900);
}

.success-card {
    background: var(--color-neutral-100);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    box-shadow: var(--shadow-soft);
    position: relative;
}

.success-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(120deg, rgba(22, 155, 98, 0.06), transparent);
    pointer-events: none;
}

.success-card h3 {
    margin-bottom: var(--space-xs);
    color: var(--color-neutral-900);
}

.success-card span {
    font-weight: 600;
    color: var(--color-primary);
    display: inline-block;
    margin-bottom: 0.35rem;
}

.responsive-img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    object-fit: cover;
}

.contact-layout {
    display: grid;
    gap: var(--space-lg);
    grid-template-columns: 1fr;
}

.contact-card,
.form-card {
    background: var(--color-neutral-100);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    box-shadow: var(--shadow-soft);
}

.contact-details {
    display: grid;
    gap: var(--space-sm);
}

.contact-details li {
    background: rgba(22, 155, 98, 0.08);
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
}

.contact-details a {
    color: var(--color-primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-details span {
    display: block;
    font-size: 0.95rem;
    color: rgba(51, 51, 51, 0.7);
    margin-top: 0.35rem;
}

form {
    display: grid;
    gap: var(--space-sm);
}

.form-grid {
    display: grid;
    gap: var(--space-sm);
    grid-template-columns: 1fr;
}

label {
    font-weight: 600;
    color: var(--color-neutral-900);
    margin-bottom: 0.35rem;
    display: block;
}

input,
select,
textarea {
    padding: 0.85rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(0, 0, 0, 0.1);
    background: var(--color-neutral-200);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-base);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(22, 155, 98, 0.15);
    background: var(--color-neutral-100);
}

textarea {
    min-height: 150px;
    resize: vertical;
}

.site-footer {
    background: var(--color-neutral-900);
    color: rgba(255, 255, 255, 0.82);
    padding: var(--space-xl) 0 var(--space-lg);
}

.footer-grid {
    display: grid;
    gap: var(--space-lg);
    grid-template-columns: 1fr;
}

.footer-column h4 {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
}

.footer-column p {
    color: rgba(255, 255, 255, 0.75);
}

.footer-links {
    display: grid;
    gap: 0.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.75);
}

.footer-links a:hover {
    color: #fff;
}

.footer-contact a {
    display: block;
    color: #fff;
    font-weight: 600;
    margin-bottom: 0.35rem;
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.65);
    margin-top: var(--space-xs);
    font-size: 0.95rem;
}

.footer-bottom {
    margin-top: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    font-size: 0.95rem;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding-top: var(--space-sm);
}

.legal-container {
    display: grid;
    gap: var(--space-md);
}

.legal-section {
    background: var(--color-neutral-100);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    box-shadow: var(--shadow-soft);
}

.legal-section h2 {
    font-size: 1.4rem;
    margin-bottom: var(--space-xs);
    color: var(--color-neutral-900);
}

.legal-section p,
.legal-section ul {
    color: rgba(51, 51, 51, 0.78);
}

.legal-section ul {
    list-style: disc;
    padding-left: 1.5rem;
    display: grid;
    gap: 0.35rem;
}

.faq-accordion {
    display: grid;
    gap: var(--space-sm);
}

.faq-accordion details {
    background: var(--color-neutral-100);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    box-shadow: var(--shadow-soft);
    transition: var(--transition-base);
}

.faq-accordion details[open] {
    box-shadow: var(--shadow-hover);
}

.faq-accordion summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--color-neutral-900);
    list-style: none;
    position: relative;
    padding-right: 2rem;
}

.faq-accordion summary::marker {
    display: none;
}

.faq-accordion summary::after {
    content: '+';
    position: absolute;
    right: 0;
    top: 0;
    font-size: 1.5rem;
    color: var(--color-primary);
    transition: var(--transition-base);
}

.faq-accordion details[open] summary::after {
    transform: rotate(45deg);
}

.faq-accordion details p {
    margin-top: var(--space-xs);
    color: rgba(51, 51, 51, 0.75);
}

.table-wrapper {
    overflow-x: auto;
    background: var(--color-neutral-100);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

thead {
    background: rgba(22, 155, 98, 0.15);
}

th,
td {
    padding: var(--space-sm);
    text-align: left;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

tbody tr:hover {
    background: rgba(22, 155, 98, 0.05);
}

.cookie-banner {
    position: fixed;
    bottom: var(--space-sm);
    left: 50%;
    transform: translateX(-50%);
    width: min(95%, 520px);
    background: rgba(26, 26, 26, 0.92);
    color: #fff;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-hover);
    z-index: 1000;
    display: none;
}

.cookie-banner.active {
    display: block;
}

.cookie-banner p {
    margin-bottom: var(--space-sm);
    font-size: 0.95rem;
}

.cookie-actions {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.cookie-actions a {
    flex: 1;
    text-align: center;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: #fff;
    background: transparent;
}

.cookie-actions a.accept {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.cookie-actions a.decline {
    background: transparent;
}

.cookie-actions a:hover {
    filter: brightness(1.1);
}

@media (min-width: 600px) {
    .hero-points {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-md);
    }
    .page-hero {
        padding: var(--space-xl) 0;
    }
    .grid.hero-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        align-items: center;
    }
    .two-column {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .form-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .nav-toggle {
        display: none;
    }
    .site-nav {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: transparent;
        box-shadow: none;
        padding: 0;
    }
    .nav-list {
        flex-direction: row;
        gap: var(--space-md);
    }
    .nav-list a {
        padding: 0;
    }
    .footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr;
    }
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

@media (min-width: 1440px) {
    :root {
        --max-width: 1320px;
    }
}