:root {
    --purple: #2b0a73;
    --brand-purple: #5c21b5;
    --soft-purple: #f3f0ff;
    --teal: #2fd9c3;
    --dark: #17151f;
    --light-gray: #f6f5f9;
    --text-dark: #2d2938;
    --text-light: #675f73;
    --bg-white: #ffffff;
    --border: #e7e1f4;
}

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    background: var(--bg-white);
}

main {
    flex: 1 0 auto;
}

a {
    color: inherit;
}

header {
    background: #ffffff;
    color: var(--purple);
    padding: 0.55rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 18px rgba(43, 10, 115, 0.12);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: inline-flex;
    align-items: center;
    max-width: 430px;
}

.logo img {
    display: block;
    width: 100%;
    height: auto;
}

nav a {
    color: var(--purple);
    text-decoration: none;
    margin-left: 1.25rem;
    font-weight: 700;
    transition: color 0.3s, background 0.3s, transform 0.3s;
    white-space: nowrap;
}

nav a:hover {
    color: var(--brand-purple);
}

nav a.nav-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0.65rem 1.05rem;
    border-radius: 999px;
    background: var(--brand-purple);
    color: #ffffff;
    box-shadow: 0 8px 24px rgba(92, 33, 181, 0.22);
}

nav a.nav-cta:hover {
    background: var(--purple);
    color: #ffffff;
    transform: translateY(-1px);
}

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid rgba(43, 10, 115, 0.18);
    border-radius: 8px;
    background: white;
    color: var(--purple);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
}

.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: currentColor;
    border-radius: 999px;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.page-hero {
    background:
        linear-gradient(135deg, rgba(43, 10, 115, 0.94), rgba(82, 72, 189, 0.82)),
        radial-gradient(circle at 20% 30%, rgba(47, 217, 195, 0.2), transparent 35%);
    color: white;
    padding: 5.5rem 2rem;
    text-align: center;
}

.page-hero-inner {
    max-width: 880px;
    margin: 0 auto;
}

.eyebrow,
.article-category {
    color: var(--teal);
    font-size: 0.84rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 0.9rem;
}

.page-hero h1 {
    font-size: clamp(2.2rem, 5vw, 4.3rem);
    line-height: 1.1;
    margin-bottom: 1rem;
}

.page-hero p {
    font-size: 1.15rem;
    opacity: 0.95;
}

.content-wrap,
.article-wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.article-wrap {
    max-width: 860px;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.blog-card {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 12px 40px rgba(43, 10, 115, 0.08);
    padding: 1.5rem;
    min-height: 100%;
}

.blog-visual {
    height: 118px;
    border-radius: 10px;
    background:
        linear-gradient(135deg, rgba(82, 72, 189, 0.14), rgba(47, 217, 195, 0.18)),
        radial-gradient(circle at 28% 30%, rgba(82, 72, 189, 0.28), transparent 34%),
        radial-gradient(circle at 78% 58%, rgba(47, 217, 195, 0.25), transparent 32%);
    border: 1px solid var(--border);
    margin-bottom: 1.2rem;
}

.blog-card h2 {
    color: var(--purple);
    font-size: 1.25rem;
    line-height: 1.25;
    margin-bottom: 0.75rem;
}

.blog-card p,
.article-meta,
.article-content p,
.article-content li {
    color: var(--text-light);
}

.blog-card a {
    text-decoration: none;
}

.read-link {
    color: var(--purple);
    font-weight: 800;
    margin-top: auto;
}

.article-header {
    margin-bottom: 2rem;
}

.article-header h1 {
    color: var(--dark);
    font-size: clamp(2.2rem, 5vw, 3.7rem);
    line-height: 1.08;
    margin-bottom: 1rem;
}

.article-meta {
    font-weight: 700;
}

.featured-illustration {
    height: 220px;
    border-radius: 16px;
    background:
        linear-gradient(135deg, rgba(82, 72, 189, 0.16), rgba(47, 217, 195, 0.18)),
        radial-gradient(circle at 22% 38%, rgba(82, 72, 189, 0.35), transparent 28%),
        radial-gradient(circle at 72% 48%, rgba(47, 217, 195, 0.28), transparent 30%);
    border: 1px solid var(--border);
    margin: 2rem 0;
}

.article-content h2 {
    color: var(--purple);
    font-size: 1.55rem;
    line-height: 1.25;
    margin: 2rem 0 0.7rem;
}

.article-content p,
.article-content ul {
    margin-bottom: 1rem;
}

.article-content ul {
    padding-left: 1.3rem;
}

.article-content strong {
    color: var(--text-dark);
}

.article-content a {
    color: var(--purple);
    font-weight: 700;
}

.article-cta {
    margin-top: 2.5rem;
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--soft-purple);
}

.article-cta h2 {
    margin-top: 0;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0.8rem 1.3rem;
    border-radius: 50px;
    background: var(--purple);
    color: white;
    text-decoration: none;
    font-weight: 800;
    margin-top: 0.5rem;
}

.article-content .btn-primary {
    color: #ffffff;
}

footer {
    flex-shrink: 0;
    background: var(--dark);
    color: white;
    text-align: center;
    padding: 2rem;
}

footer p {
    margin: 0.5rem 0;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 0.75rem;
}

.footer-links a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
}

.footer-links a:hover {
    color: var(--teal);
}

@media (max-width: 900px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    header {
        padding: 0.45rem 1rem;
    }

    .header-container {
        flex-wrap: wrap;
        justify-content: space-between;
        gap: 0.5rem;
    }

    .logo {
        max-width: min(290px, calc(100vw - 5.5rem));
    }

    .menu-toggle {
        display: inline-flex;
    }

    nav {
        display: none;
        flex-direction: column;
        justify-content: center;
        gap: 0.75rem;
        width: 100%;
        padding: 0.75rem 0 0.25rem;
    }

    nav.is-open {
        display: flex;
    }

    nav a {
        margin-left: 0;
        text-align: center;
    }

    nav a.nav-cta {
        width: min(220px, 100%);
        margin: 0 auto;
    }

    .page-hero {
        padding: 4rem 1.25rem;
    }

    .content-wrap,
    .article-wrap {
        padding: 3rem 1.25rem;
    }
}