/* Theme styles */
:root {
    --color-bg: #f4f6fb;
    --color-white: #ffffff;
    --color-primary: #1a73e8;
    --color-primary-dark: #1454b3;
    --color-text: #1f2937;
    --color-muted: #6b7280;
    --color-card: #ffffff;
    --color-border: #e5e7eb;
    --shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
}

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

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

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

.site-header {
    background: #ffffff;
    border-bottom: 1px solid rgba(229, 231, 235, 0.8);
    position: sticky;
    top: 0;
    z-index: 50;
}

.site-header .site-branding {
    display: inline-flex;
    align-items: center;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.02em;
}

.site-header .site-navigation {
    display: inline-flex;
    justify-content: flex-end;
    align-items: center;
}

.site-navigation ul {
    display: flex;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.site-navigation li a {
    color: var(--color-text);
    font-weight: 500;
}

.site-footer {
    background: #ffffff;
    padding: 2rem 1.5rem;
    text-align: center;
    border-top: 1px solid rgba(229, 231, 235, 0.85);
}

.site-footer p {
    margin: 0;
    color: var(--color-muted);
}

.container {
    width: min(1120px, calc(100% - 2rem));
    margin: 0 auto;
}

.section-header {
    max-width: 720px;
    margin-bottom: 2rem;
}

.section-header .eyebrow {
    display: inline-block;
    margin-bottom: 0.75rem;
    color: var(--color-primary);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.18em;
}

.section-title {
    font-size: clamp(2rem, 3vw, 3rem);
    margin: 0;
    line-height: 1.05;
}

.section-text {
    margin: 1rem 0 0;
    color: var(--color-muted);
    font-size: 1rem;
    max-width: 35rem;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.95rem 1.5rem;
    border-radius: 999px;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.button-primary {
    background: var(--color-primary);
    color: #ffffff;
    box-shadow: 0 12px 30px rgba(26, 115, 232, 0.18);
}

.button-secondary {
    background: rgba(26, 115, 232, 0.08);
    color: var(--color-primary);
}

.card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 24px;
    padding: 2rem;
    box-shadow: var(--shadow);
}

.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 860px) {
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }
}