:root {
    --color-primary: #fdb84d;
    --color-primary-dark: #e39a2a;
    --color-accent: #0b6f91;
    --color-text: #1e3232;
    --color-muted: #526464;
    --color-border: #d8e1df;
    --color-bg: #f4f7f6;
    --color-soft-blue: #e9f6fa;
    --color-white: #ffffff;
    --radius-sm: 0.75rem;
    --radius-md: 1.25rem;
    --radius-lg: 1.75rem;
    --shadow-sm: 0 8px 24px rgba(30, 50, 50, 0.08);
    --shadow-md: 0 18px 44px rgba(30, 50, 50, 0.14);
    --container-width: 1200px;
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
}

main {
    min-height: 70vh;
}

section {
    padding: 4.5rem 1.5rem;
}

.section-heading {
    max-width: 760px;
    margin: 0 auto 2.5rem;
    text-align: center;
}

.section-heading h2 {
    margin: 0;
    font-size: clamp(1.9rem, 3.5vw, 2.75rem);
    line-height: 1.15;
}

.section-kicker,
.eyebrow {
    margin: 0 0 0.65rem;
    color: var(--color-accent);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3rem;
    padding: 0.8rem 1.4rem;
    border: 2px solid transparent;
    border-radius: 999px;
    font-weight: 750;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:focus-visible,
.level-card:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 4px;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-text);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    border-color: var(--color-text);
    background-color: var(--color-white);
    color: var(--color-text);
}

.btn-secondary:hover {
    background-color: var(--color-soft-blue);
}

.hero {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: min(68vh, 720px);
    padding: 5.5rem 1.5rem;
    background:
        radial-gradient(circle at 12% 8%, rgba(88, 199, 243, 0.22), transparent 34%),
        radial-gradient(circle at 88% 90%, rgba(253, 184, 77, 0.28), transparent 34%),
        var(--color-bg);
}

.hero-content {
    max-width: 920px;
    text-align: center;
}

.hero .eyebrow {
    display: inline-flex;
    padding: 0.4rem 0.75rem;
    border: 1px solid rgba(11, 111, 145, 0.24);
    border-radius: 999px;
    background-color: rgba(255, 255, 255, 0.7);
}

.hero h1 {
    max-width: 900px;
    margin: 1.1rem auto 1.5rem;
    font-size: clamp(2.6rem, 6vw, 5rem);
    line-height: 1.03;
    letter-spacing: -0.045em;
}

.hero-lead {
    max-width: 730px;
    margin: 0 auto 2rem;
    color: var(--color-muted);
    font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.85rem;
}

.levels-section,
.benefits-section {
    background-color: var(--color-white);
}

.levels-grid,
.features-grid,
.steps {
    max-width: var(--container-width);
    margin: 0 auto;
    gap: 1.35rem;
}

.levels-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.features-grid,
.steps {
    display: grid;
}

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

.level-card,
.feature,
.step {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.level-card {
    display: flex;
    flex-direction: column;
    flex: 1 1 13rem;
    max-width: 18rem;
    min-height: 15.5rem;
    padding: 1.6rem;
    color: var(--color-text);
    text-decoration: none;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.level-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary-dark);
    box-shadow: var(--shadow-md);
}

.level-card h3,
.feature h3,
.step h3 {
    margin: 0 0 0.7rem;
    font-size: 1.24rem;
    line-height: 1.25;
}

.level-card p,
.feature p,
.step p {
    margin: 0;
    color: var(--color-muted);
}

.card-link {
    margin-top: auto;
    padding-top: 1.4rem;
    color: var(--color-accent);
    font-weight: 750;
}

.features-section {
    background-color: var(--color-bg);
}

.feature {
    position: relative;
    min-height: 15rem;
    padding: 4rem 1.6rem 1.6rem;
}

.feature-number {
    position: absolute;
    top: 1.35rem;
    left: 1.6rem;
    color: var(--color-accent);
    font-size: 0.85rem;
    font-weight: 850;
    letter-spacing: 0.08em;
}

.how-it-works {
    background-color: var(--color-soft-blue);
}

.steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    padding: 0;
    list-style: none;
}

.step {
    padding: 1.7rem;
    text-align: left;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.6rem;
    height: 2.6rem;
    margin-bottom: 1.25rem;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: var(--color-text);
    font-weight: 850;
}

.benefits-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: 900px;
    margin: 0 auto;
    padding: 0;
    gap: 1rem;
    list-style: none;
}

.benefits-list li {
    position: relative;
    padding: 1.15rem 1.15rem 1.15rem 3.2rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background-color: var(--color-bg);
}

.benefits-list li::before {
    content: "✓";
    position: absolute;
    top: 1.05rem;
    left: 1.15rem;
    color: var(--color-accent);
    font-weight: 900;
}

.cta-section {
    background-color: var(--color-text);
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-section h2 {
    margin: 0 0 1rem;
    color: var(--color-white);
    font-size: clamp(2rem, 4vw, 3.2rem);
    line-height: 1.1;
}

.cta-section p {
    max-width: 680px;
    margin: 0 auto 2rem;
    color: #dce7e5;
    font-size: 1.1rem;
}

.btn-light {
    background-color: var(--color-primary);
    color: var(--color-text);
}

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

.btn-outline {
    border-color: var(--color-white);
    color: var(--color-white);
}

.btn-outline:hover {
    background-color: var(--color-white);
    color: var(--color-text);
}

@media (max-width: 1000px) {
    .features-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .hero {
        min-height: auto;
        padding-top: 4.5rem;
        padding-bottom: 4.5rem;
    }
}

@media (max-width: 700px) {
    section {
        padding: 3.5rem 1rem;
    }

    .features-grid,
    .steps,
    .benefits-list {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: clamp(2.35rem, 12vw, 3.5rem);
    }

    .hero {
        padding: 3.5rem 1rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .level-card,
    .feature {
        min-height: auto;
    }

    .level-card {
        flex-basis: 100%;
        max-width: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .btn,
    .level-card {
        transition: none;
    }

    .btn:hover,
    .level-card:hover {
        transform: none;
    }
}