:root {
    --color-background: #f6f7fb;
    --color-surface: #ffffff;
    --color-text: #14213d;
    --color-muted: #5f6b7a;
    --color-primary: #0f6fff;
    --color-primary-dark: #0a4db2;
    --color-border: #e5eaf2;
    --container-width: 72rem;
    --radius: 1rem;
    --shadow: 0 18px 45px rgba(20, 33, 61, 0.08);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-background);
}

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

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

button,
input,
textarea,
select {
    font: inherit;
}

.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.site-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 2px 18px rgba(20, 33, 61, 0.03);
}

.site-header__inner,
.content-section__inner,
.site-footer__inner {
    width: min(100% - 2rem, var(--container-width));
    margin: 0 auto;
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.site-title {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.site-nav__list {
    display: flex;
    gap: 1.2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-nav__list a {
    color: var(--color-muted);
    font-weight: 600;
}

.site-nav__list a:hover,
.site-nav__list a:focus-visible {
    color: var(--color-primary);
}

.menu-toggle {
    display: none;
    border: 0;
    background: transparent;
    color: var(--color-text);
    font-size: 1.3rem;
    cursor: pointer;
}

.site-main {
    padding: 2rem 0 4rem;
}

.hero {
    background: linear-gradient(135deg, #eef4ff 0%, #f8fbff 100%);
    padding: 4.5rem 0;
}

.hero__inner {
    width: min(100% - 2rem, var(--container-width));
    margin: 0 auto;
}

.hero__content {
    max-width: 44rem;
}

.hero__eyebrow,
.section-heading__eyebrow {
    margin: 0 0 0.5rem;
    color: var(--color-primary);
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-size: 0.8rem;
}

.hero h1,
.entry h1,
.entry h2 {
    margin: 0 0 1rem;
    line-height: 1.15;
}

.hero__text,
.entry__content p,
.section-heading p {
    color: var(--color-muted);
    font-size: 1.02rem;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.2rem;
    border-radius: 999px;
    font-weight: 700;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-1px);
}

.button--primary {
    background: var(--color-primary);
    color: #fff;
}

.button--primary:hover,
.button--primary:focus-visible {
    background: var(--color-primary-dark);
}

.button--secondary {
    background: rgba(15, 111, 255, 0.1);
    color: var(--color-primary);
}

.content-section {
    padding: 3rem 0 0;
}

.entry,
.section-heading {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 2rem;
}

.entry__image {
    margin: 1.2rem 0;
    overflow: hidden;
    border-radius: var(--radius);
}

.entry__image img {
    width: 100%;
}

.site-footer {
    background: #0f172a;
    color: #e2e8f0;
    padding: 2rem 0;
}

.site-footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

@media (max-width: 768px) {
    .site-header__inner {
        flex-wrap: wrap;
    }

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

    .site-nav__list {
        display: none;
        flex-direction: column;
        width: 100%;
        padding-top: 0.75rem;
    }

    .site-nav.is-open .site-nav__list {
        display: flex;
    }

    .hero {
        padding: 3rem 0;
    }

    .entry,
    .section-heading {
        padding: 1.5rem;
    }

    .site-footer__inner {
        flex-direction: column;
        align-items: flex-start;
    }
}