:root {
    --color-background: #fbfaf7;
    --color-surface: #ffffff;
    --color-text: #202b3c;
    --color-muted: #687386;
    --color-primary: #405cc5;
    --color-primary-dark: #3049a7;
    --color-accent: #e4b65f;
    --color-hero: #f1f4fc;
    --color-border: #e7eaf1;
    --container-width: 1200px;
    --reading-width: 760px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 110px;
}

body {
    margin: 0;
    background: var(--color-background);
    color: var(--color-text);
    font-family: Inter, "Segoe UI", Arial, Helvetica, sans-serif;
    font-size: 17px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}

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

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

a:focus-visible,
button:focus-visible,
summary:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 4px;
}

h1,
h2,
h3,
h4 {
    color: #202b46;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.035em;
}

p {
    margin-top: 0;
}

/* Header and logo */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
    max-width: var(--container-width);
    min-height: 88px;
    margin: 0 auto;
    padding: 18px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 36px;
}

.site-brand {
    flex-shrink: 0;
    color: var(--color-primary);
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    font-size: 30px;
    font-weight: 750;
    line-height: 1.2;
    letter-spacing: -1.2px;
}

.site-logo {
    display: block;
    width: 200px;
    height: auto;
    max-width: 100%;
}

/* Main navigation */

.primary-navigation {
    display: flex;
    align-items: center;
}

.primary-menu,
.primary-menu .sub-menu {
    margin: 0;
    padding: 0;
    list-style: none;
}

.primary-menu {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px 24px;
}

.primary-menu li {
    position: relative;
}

.primary-menu a {
    display: block;
    color: var(--color-text);
    font-size: 14px;
    font-weight: 650;
    line-height: 1.5;
    transition: color 0.2s ease, background 0.2s ease;
}

.primary-menu > li > a {
    padding: 10px 0;
}

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

/* Dropdown navigation */

.primary-menu .sub-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: -16px;
    z-index: 200;
    min-width: 220px;
    padding: 8px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    box-shadow: 0 14px 35px rgba(32, 43, 70, 0.12);
}

.primary-menu li:hover > .sub-menu,
.primary-menu li:focus-within > .sub-menu {
    display: block;
}

.primary-menu .sub-menu a {
    padding: 10px 12px;
    border-radius: 7px;
    white-space: normal;
}

.primary-menu .sub-menu a:hover,
.primary-menu .sub-menu a:focus-visible {
    background: var(--color-hero);
}

/* Shared labels */

.eyebrow,
.section-eyebrow {
    margin-bottom: 16px;
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 750;
    line-height: 1.5;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* Homepage hero — editorial layout */

.hero {
    padding: 56px 24px 64px;
    background: var(--color-hero);
}

.hero-editorial__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.72fr);
    align-items: center;
    gap: clamp(32px, 5vw, 76px);
    max-width: var(--container-width);
    margin: 0 auto;
}

.hero-content {
    min-width: 0;
    max-width: 760px;
    margin: 0;
}

.hero h1,
.hero h2 {
    max-width: 850px;
    margin: 0 0 24px;
    font-size: clamp(42px, 5.3vw, 72px);
    line-height: 1.04;
    letter-spacing: -0.055em;
}

.hero-description {
    max-width: 720px;
    margin-bottom: 0;
    color: var(--color-muted);
    font-size: 18px;
    line-height: 1.75;
}

.hero-description--second {
    margin-top: 16px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.hero-actions .button {
    gap: 12px;
    min-height: 52px;
    border-radius: 999px;
    padding-right: 25px;
    padding-left: 25px;
}

.hero-footnote {
    margin: 24px 0 0;
    color: var(--color-muted);
    font-size: 12px;
    letter-spacing: 0.04em;
}

.hero-feature {
    min-width: 0;
    overflow: hidden;
    background: var(--color-surface);
    border: 1px solid rgba(32, 43, 60, 0.08);
    border-radius: 22px;
    box-shadow: 0 18px 50px rgba(32, 43, 60, 0.08);
    transform: rotate(1deg);
}

.hero-feature__image-wrap {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    background: #dfe5f5;
}

.hero-feature__image,
.hero-feature__image-wrap > a {
    display: block;
    width: 100%;
    height: 100%;
}

.hero-feature__image {
    object-fit: cover;
    transition: transform 0.45s ease;
}

.hero-feature:hover .hero-feature__image {
    transform: scale(1.035);
}

.hero-feature__tag {
    position: absolute;
    top: 14px;
    left: 14px;
    padding: 7px 11px;
    border: 1px solid rgba(32, 43, 60, 0.08);
    border-radius: 5px;
    background: #fff;
    color: var(--color-text);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.09em;
}

.hero-feature__placeholder {
    display: flex;
    height: 100%;
    min-height: 200px;
    flex-direction: column;
    align-items: flex-start;
    justify-content: space-between;
    padding: 24px;
    background: linear-gradient(135deg, #d8e1f6, #aab8e2);
    color: #202b46;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.12em;
}

.hero-feature__body {
    padding: 23px 25px 20px;
}

.hero-feature__eyebrow {
    margin-bottom: 10px;
    color: var(--color-primary);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.14em;
}

.hero-feature__body h2 {
    margin: 0 0 10px;
    font-size: clamp(22px, 2vw, 29px);
    line-height: 1.15;
    letter-spacing: -0.035em;
}

.hero-feature__body > p:not(.hero-feature__eyebrow) {
    margin-bottom: 14px;
    color: var(--color-muted);
    font-size: 14px;
    line-height: 1.65;
}

.hero-feature__link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-primary);
    font-size: 13px;
    font-weight: 750;
}

.hero-feature__index {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 25px;
    border-top: 1px solid var(--color-border);
    color: var(--color-muted);
    font-size: 9px;
    font-weight: 750;
    letter-spacing: 0.1em;
}

/* Buttons */

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 11px 22px;
    border: 1px solid transparent;
    border-radius: 9px;
    font-family: inherit;
    font-size: 15px;
    font-weight: 650;
    line-height: 1.4;
    text-align: center;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease,
        border-color 0.2s ease, transform 0.2s ease;
}

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

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

.button-primary:hover {
    background: var(--color-primary-dark);
    color: #ffffff;
}

.button-secondary {
    background: #ffffff;
    color: var(--color-primary-dark);
    border-color: #dce2f1;
}

.button-secondary:hover {
    background: #f8f9fe;
    border-color: #c5cfee;
}