:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --secondary: #0f172a;
    --text: #172033;
    --muted: #64748b;
    --background: #f7f9fc;
    --white: #ffffff;
    --border: #e2e8f0;
    --success: #16a34a;
    --header-height: 82px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    overflow-x: hidden;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--text);
    background: var(--white);
}

body.menu-open {
    overflow: hidden;
}

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

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

button {
    border: 0;
}

.container {
    width: min(1180px, calc(100% - 40px));
    margin-inline: auto;
}

.button {
    min-height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 24px;
    color: var(--white);
    font-weight: 700;
    background: var(--primary);
    border: 1px solid var(--primary);
    border-radius: 12px;
    box-shadow: 0 12px 30px rgba(37, 99, 235, 0.22);
    transition:
        background-color 0.2s ease,
        border-color 0.2s ease,
        box-shadow 0.2s ease,
        transform 0.2s ease;
}

.button:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    box-shadow: 0 16px 34px rgba(37, 99, 235, 0.3);
    transform: translateY(-2px);
}

.button-small {
    min-height: 44px;
    padding: 11px 17px;
    font-size: 14px;
}

.button-secondary {
    color: var(--secondary);
    background: var(--white);
    border-color: var(--border);
    box-shadow: none;
}

.button-secondary:hover {
    color: var(--primary);
    background: var(--primary-light);
    border-color: var(--primary-light);
    box-shadow: none;
}

.placeholder-section {
    min-height: 300px;
    display: grid;
    place-items: center;
    padding: 80px 0;
    color: var(--muted);
    background: var(--background);
}

@media (max-width: 1100px) {
}

@media (max-width: 900px) {
}

@media (max-width: 620px) {
    :root {
        --header-height: 72px;
    }

    .container {
        width: min(100% - 28px, 1180px);
    }

}
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition:
        opacity 0.7s ease var(--reveal-delay, 0ms),
        transform 0.7s ease var(--reveal-delay, 0ms);
    will-change: opacity, transform;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}

.skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 10000;
    padding: 12px 18px;
    color: #ffffff;
    background: #0f172a;
    border: 2px solid #60a5fa;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.25);
    font-weight: 800;
    text-decoration: none;
    transform: translateY(-160%);
    transition: transform 0.2s ease;
}

.skip-link:focus,
.skip-link:focus-visible {
    transform: translateY(0);
    outline: 3px solid #facc15;
    outline-offset: 3px;
}

#main-content:focus {
    outline: none;
}