:root {
    --color-primary: #169B62;
    --color-primary-dark: #0B5F3E;
    --color-primary-light: #27C47F;
    --color-secondary: #0F3B2B;
    --color-accent: #FFC857;
    --color-text: #222222;
    --color-muted: #555555;
    --color-background: #F5F5F5;
    --color-surface: #FFFFFF;
    --shadow-soft: 0 18px 35px rgba(10, 64, 40, 0.18);
    --shadow-medium: 0 30px 60px rgba(9, 55, 36, 0.16);
    --radius-sm: 0.75rem;
    --radius-md: 1.5rem;
    --radius-lg: 2.25rem;
    --space-xs: clamp(0.5rem, 0.8vw, 0.75rem);
    --space-sm: clamp(0.9rem, 1.2vw, 1.25rem);
    --space-md: clamp(1.5rem, 2vw, 2.25rem);
    --space-lg: clamp(2.5rem, 3.5vw, 3.75rem);
    --space-xl: clamp(4rem, 6vw, 6rem);
    --max-width: 1200px;
    --transition-base: all 0.3s ease;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Roboto", Arial, sans-serif;
    background: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

body.is-locked {
    overflow: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-sm);
    object-fit: cover;
}

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

h1,
h2,
h3,
h4,
h5 {
    font-weight: 700;
    color: var(--color-secondary);
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.75rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2.1rem, 3.2vw, 3rem);
}

h3 {
    font-size: clamp(1.35rem, 2vw, 1.75rem);
}

p {
    margin: 0 0 var(--space-sm);
    color: var(--color-muted);
    font-weight: 400;
    font-size: clamp(1rem, 1.2vw, 1.1rem);
}

ul,
ol {
    padding-left: 1.1rem;
    margin: 0 0 var(--space-sm);
    color: var(--color-muted);
}

button {
    font-family: inherit;
}

.container {
    width: min(100% - 2 * var(--space-sm), var(--max-width));
    margin: 0 auto;
}

.site-main {
    flex: 1 0 auto;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 999;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(18px);
    box-shadow: 0 12px 32px rgba(15, 65, 43, 0.08);
}

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

.nav-brand {
    font-size: clamp(1.35rem, 1.8vw, 1.55rem);
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--color-primary);
}

.nav-brand:hover {
    color: var(--color-primary-dark);
}

.nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.35rem;
    width: 3rem;
    height: 3rem;
    border: 1px solid rgba(22, 155, 98, 0.15);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    cursor: pointer;
    transition: var(--transition-base);
}

.nav-toggle span {
    height: 2px;
    width: 1.5rem;
    background: var(--color-secondary);
    margin: 0 auto;
    transition: var(--transition-base);
    border-radius: 999px;
}

.nav-toggle:focus-visible {
    outline: 3px solid rgba(22, 155, 98, 0.35);
    outline-offset: 4px;
}

.nav-links {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: var(--space-sm);
    left: var(--space-sm);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    background: rgba(255, 255, 255, 0.98);
    border-radius: var(--radius-md);
    padding: var(--space-sm);
    box-shadow: var(--shadow-medium);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-base);
    list-style: none;
}

.nav-links.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
}

.nav-links li a {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    color: var(--color-secondary);
    transition: var(--transition-base);
    display: block;
}

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

@media (min-width: 1024px) {
    .nav-toggle {
        display: none;
    }

    .nav-links {
        position: static;
        flex-direction: row;
        gap: var(--space-sm);
        background: transparent;
        box-shadow: none;
        padding: 0;
        transform: none;
        opacity: 1;
        pointer-events: auto;
        align-items: center;
    }

    .nav-links li a {
        padding: 0.65rem 0.9rem;
    }

    .nav-links li a:hover,
    .nav-links li a:focus {
        background: rgba(22, 155, 98, 0.16);
    }
}

/* Hero */
.page-hero {
    padding: calc(var(--space-xl) + 1.5rem) 0 var(--space-lg);
    position: relative;
    overflow: hidden;
    background: var(--color-surface);
}

.page-hero.homepage-hero {
    background: linear-gradient(135deg, rgba(22, 155, 98, 0.12) 0%, rgba(15, 59, 43, 0.05) 100%);
}

.page-hero.homepage-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 15% 15%, rgba(22, 155, 98, 0.25), transparent 55%),
                radial-gradient(circle at 80% 20%, rgba(255, 200, 87, 0.28), transparent 60%);
    opacity: 0.75;
    pointer-events: none;
}

.page-hero.inner-hero {
    background: linear-gradient(120deg, rgba(255, 255, 255, 0.96), rgba(245, 245, 245, 0.85));
    padding: calc(var(--space-lg) + 1rem) 0 var(--space-lg);
}

.hero-layout {
    position: relative;
    display: grid;
    gap: var(--space-lg);
    align-items: center;
    z-index: 1;
}

.hero-content h1 {
    margin-bottom: var(--space-sm);
}

.hero-content .accent-text {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.9rem;
    border-radius: 999px;
    background: rgba(22, 155, 98, 0.16);
    color: var(--color-primary-dark);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-sm);
}

.hero-description {
    max-width: 36rem;
    margin-bottom: var(--space-md);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.hero-actions .btn {
    min-width: 180px;
}

.stats-bar {
    display: grid;
    gap: var(--space-xs);
    list-style: none;
    padding: 0;
    margin: 0;
}

.stats-bar li {
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.stat-value {
    font-size: clamp(1.6rem, 2.5vw, 2rem);
    font-weight: 700;
    color: var(--color-primary-dark);
}

.stat-label {
    font-size: 0.95rem;
    color: var(--color-muted);
}

.hero-media {
    position: relative;
}

.hero-media img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-medium);
}

.media-badge {
    position: absolute;
    bottom: 12%;
    left: 8%;
    background: rgba(15, 59, 43, 0.9);
    color: #FFFFFF;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-md);
    max-width: 240px;
    backdrop-filter: blur(12px);
    box-shadow: 0 18px 30px rgba(0, 0, 0, 0.25);
}

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

.section.gray-section {
    background: rgba(245, 245, 245, 0.65);
}

.section.gradient-section {
    background: linear-gradient(135deg, rgba(22, 155, 98, 0.1), rgba(255, 255, 255, 0.85));
}

.section-title {
    margin-bottom: var(--space-xs);
    color: var(--color-secondary);
}

.section-subtitle {
    max-width: 42rem;
    margin-bottom: var(--space-lg);
}

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

.grid.featured-grid,
.grid.metrics-grid,
.grid.resource-grid,
.grid.course-grid,
.grid.testimonial-grid,
.grid.instructor-grid,
.grid.pillar-grid {
    gap: var(--space-sm);
}

.card {
    background: rgba(255, 255, 255, 0.98);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    box-shadow: var(--shadow-soft);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    position: relative;
}

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

.card h3 {
    margin-bottom: 0.75rem;
}

.card .tag {
    margin-bottom: 0.5rem;
}

.glass-card {
    background: rgba(255, 255, 255, 0.32);
    backdrop-filter: blur(18px);
    border: 1px solid rgba(255, 255, 255, 0.45);
}

.metric-card {
    text-align: left;
    border-top: 4px solid var(--color-primary);
    padding-top: calc(var(--space-sm) + 0.35rem);
}

.metric-card strong {
    font-size: clamp(1.35rem, 2vw, 1.85rem);
    color: var(--color-secondary);
}

.testimonial-card {
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.95);
}

.testimonial-card blockquote {
    margin: 0 0 var(--space-sm);
    font-style: italic;
    color: var(--color-text);
}

.testimonial-card cite {
    font-weight: 600;
    color: var(--color-primary-dark);
}

.resource-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.course-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.course-card .course-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-bottom: 0.5rem;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
    background: rgba(22, 155, 98, 0.15);
    color: var(--color-primary-dark);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.tag.secondary {
    background: rgba(25, 31, 44, 0.1);
    color: var(--color-secondary);
}

.feature-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.6rem;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.feature-list li::before {
    content: "•";
    color: var(--color-primary);
    font-size: 1.2rem;
    line-height: 1;
}

.journey-steps {
    display: grid;
    gap: var(--space-sm);
    list-style: none;
    padding: 0;
    margin: 0;
}

.journey-steps li {
    background: rgba(255, 255, 255, 0.9);
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    position: relative;
    padding-left: calc(var(--space-sm) + 1.5rem);
}

.journey-steps li::before {
    content: attr(data-step);
    position: absolute;
    left: var(--space-sm);
    top: 1rem;
    width: 2rem;
    height: 2rem;
    border-radius: 999px;
    background: var(--color-primary);
    color: #fff;
    display: grid;
    place-items: center;
    font-weight: 600;
}

.cta-panel {
    background: linear-gradient(120deg, rgba(22, 155, 98, 0.92), rgba(15, 59, 43, 0.9)), url("https://picsum.photos/seed/cta/1200/600") center/cover;
    color: #FFFFFF;
    border-radius: var(--radius-lg);
    padding: clamp(2.25rem, 3vw, 3rem);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-medium);
}

.cta-panel::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), transparent 65%);
    pointer-events: none;
}

.cta-panel > * {
    position: relative;
    z-index: 1;
}

.cta-panel h2,
.cta-panel p {
    color: #FFFFFF;
}

.cta-panel .btn {
    margin-top: var(--space-sm);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    letter-spacing: 0.02em;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: #FFFFFF;
    box-shadow: 0 16px 30px rgba(22, 155, 98, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(22, 155, 98, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary-dark);
    border: 2px solid rgba(22, 155, 98, 0.55);
}

.btn-outline:hover {
    background: rgba(22, 155, 98, 0.12);
}

.btn-light {
    background: #FFFFFF;
    color: var(--color-secondary);
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-light:hover {
    background: rgba(255, 255, 255, 0.85);
}

/* Forms */
.form-grid {
    display: grid;
    gap: var(--space-sm);
}

.form-card {
    background: rgba(255, 255, 255, 0.98);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.form-field label {
    font-weight: 600;
    color: var(--color-secondary);
}

.form-field input,
.form-field select,
.form-field textarea {
    padding: 0.85rem 1rem;
    border: 1.5px solid rgba(22, 155, 98, 0.2);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    background: #FFFFFF;
    transition: border 0.2s ease, box-shadow 0.2s ease;
}

.form-field textarea {
    min-height: 140px;
    resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(22, 155, 98, 0.18);
    outline: none;
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    align-items: center;
    margin-top: var(--space-sm);
}

/* Tables */
.table-wrapper {
    width: 100%;
    overflow-x: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    background: #FFFFFF;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 540px;
}

th,
td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid rgba(22, 155, 98, 0.15);
    text-align: left;
    color: var(--color-muted);
}

th {
    background: rgba(22, 155, 98, 0.08);
    font-weight: 700;
    color: var(--color-secondary);
}

/* FAQ */
details {
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-soft);
    padding: var(--space-sm);
    margin-bottom: var(--space-xs);
}

details[open] {
    background: rgba(22, 155, 98, 0.08);
}

details summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--color-secondary);
    list-style: none;
    outline: none;
}

details summary::marker {
    display: none;
}

details p {
    margin: var(--space-xs) 0 0;
}

/* Legal sections */
.legal-wrapper {
    display: grid;
    gap: var(--space-sm);
}

.legal-section {
    background: rgba(255, 255, 255, 0.97);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
}

.legal-section h2 {
    margin-bottom: var(--space-xs);
}

/* Footer */
.site-footer {
    background: #0D1F16;
    color: rgba(255, 255, 255, 0.88);
    padding: var(--space-lg) 0 var(--space-sm);
    margin-top: var(--space-xl);
}

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

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

.footer-logo {
    display: inline-block;
    font-size: 1.4rem;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: var(--space-xs);
}

.footer-links h4,
.footer-newsletter h4 {
    color: #FFFFFF;
    margin-bottom: var(--space-xs);
}

.footer-links ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.78);
    transition: var(--transition-base);
}

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

.newsletter-form {
    display: grid;
    gap: var(--space-xs);
}

.newsletter-form label {
    font-size: 0.95rem;
}

.newsletter-form input {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.15);
    color: #FFFFFF;
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: var(--space-md);
    padding-top: var(--space-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.65);
}

/* Cookie banner */
.cookie-banner {
    position: fixed;
    bottom: var(--space-sm);
    right: var(--space-sm);
    max-width: 340px;
    background: rgba(13, 31, 22, 0.92);
    color: #FFFFFF;
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-medium);
    z-index: 1000;
    display: grid;
    gap: var(--space-xs);
    backdrop-filter: blur(14px);
}

.cookie-banner.is-hidden {
    display: none;
}

.cookie-banner p {
    color: rgba(255, 255, 255, 0.85);
    margin: 0;
}

.cookie-banner .cookie-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.cookie-banner .btn {
    flex: 1;
    min-width: 140px;
}

/* Responsive layout adjustments */
@media (min-width: 600px) {
    .stats-bar {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .grid.featured-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .grid.metrics-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .grid.resource-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 768px) {
    .hero-layout {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .grid.featured-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .grid.testimonial-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .grid.instructor-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .grid.course-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .grid.metrics-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .footer-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .grid.resource-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .grid.instructor-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .grid.course-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .journey-steps {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .cookie-banner {
        right: var(--space-lg);
        bottom: var(--space-lg);
    }
}

@media (min-width: 1280px) {
    .container {
        width: min(100% - 2 * var(--space-md), 1280px);
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}