:root {
    color-scheme: light;
    --primary: #082f49;
    --secondary: #082f49;
    --background: #ffffff;
    --accent: #f87171;
    --accent-hover: #ef4444;
    --accent-pressed: #dc2626;
    --link: #991b1b;
    --border: #d4d4d4;
    --footer-bg: #374151;
    --light-text: #f9fafb;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Inter", "Helvetica Neue", Arial, sans-serif;
    color: var(--primary);
    background: var(--background);
    line-height: 28px;
    font-size: 16px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

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

h1,
h2,
h3 {
    font-family: "Open Sans", "Inter", Arial, sans-serif;
    margin: 0;
}

main {
    flex: 1;
}

.container {
    width: min(800px, 92vw);
    margin: 0 auto;
}

.site-header {
    background: #ffffff;
}

.header-inner {
    min-height: 72px;
    display: flex;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 600;
}

.intro {
    padding: 64px 0;
}

.intro-grid {
    display: grid;
    grid-template-columns: minmax(220px, 360px) minmax(0, 1fr);
    gap: 48px;
    align-items: center;
}

.intro-image {
    width: 100%;
    max-width: 360px;
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    overflow: hidden;
}

.intro-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.intro-content h1 {
    font-size: 42px;
    line-height: 48px;
    margin-bottom: 16px;
}

.intro-content p {
    font-size: 20px;
    line-height: 30px;
    margin: 0 0 24px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 4px;
    border: 0;
    font-size: 16px;
    font-weight: 600;
    background: var(--accent);
    color: #020617;
    transition: background 0.2s ease;
}

.btn:hover {
    background: var(--accent-hover);
}

.btn:active {
    background: var(--accent-pressed);
}

.footer {
    background: var(--footer-bg);
    color: var(--light-text);
    padding: 32px 0 40px;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

@media (max-width: 900px) {
    .intro-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .intro-image {
        margin: 0 auto;
    }

    .intro-content {
        align-items: center;
    }
}

@media (min-width: 1200px) {
    .intro {
        padding: 80px 0;
    }

    .intro-grid {
        gap: 64px;
    }

    .intro-image {
        max-width: 420px;
    }

    .intro-content h1 {
        font-size: 52px;
        line-height: 60px;
    }

    .intro-content p {
        font-size: 22px;
        line-height: 34px;
        max-width: 520px;
    }

    .btn {
        padding: 14px 28px;
        font-size: 17px;
    }
}

@media (max-width: 640px) {
    .intro {
        padding: 48px 0;
    }
}