/* ===== TOKENS ===== */
:root {
    /* Палитра */
    --color-bg: #fff;
    --color-fg: #0b0b0b;
    --color-muted: #ffffff;
    --color-primary: #a600ff;
    --color-danger: #7b5efd;

    /* Типографика */
    --font-body: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    
    /* Размеры */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 16px;
    --space-4: 24px;
    --space-5: 40px;
    
    /* Декоративные */
    --radius: 12px;
    --shadow: 0 1px 2px rgba(0,0,0,.08), 0 8px 24px rgba(0,0,0,.08);
}

/* ===== BASE/RESET ===== */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    background: var(--color-bg);
    color: var(--color-fg);
    font-family: var(--font-body);
    line-height: 1.5;
    padding: var(--space-3);
}

/* ===== COMPONENTS ===== */
/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-muted);
    margin-bottom: var(--space-5);
}

.header__brand {
    font-weight: bold;
    font-size: 1.5rem;
    text-decoration: none;
    color: var(--color-fg);
}

/* Navigation */
.nav__list {
    display: flex;
    list-style: none;
    gap: var(--space-3);
    margin: 0;
    padding: 0;
}

.nav__link {
    text-decoration: none;
    color: var(--color-muted);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius);
    transition: all 0.2s ease;
}

.nav__link:hover {
    color: var(--color-fg);
    background: rgba(0,0,0,0.05);
}

.nav__link--cta {
    background: var(--color-primary);
    color: white !important;
}

.nav__link--cta:hover {
    background: #0066cc;
}

/* Sections */
.section {
    padding: var(--space-5) 0;
}

/* Modal */
.modal {
    padding: var(--space-4);
    border: none;
    border-radius: var(--radius);
    width: min(92vw, 520px);
}

.modal::backdrop {
    background: rgba(0, 0, 0, 0.5);
}

/* Form */
.form {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.form label {
    display: block;
    margin-bottom: var(--space-1);
    font-weight: 500;
}

.form input,
.form select,
.form textarea {
    width: 100%;
    padding: var(--space-3);
    border: 1px solid var(--color-muted);
    border-radius: var(--radius);
    font: inherit;
}

.form-actions {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

/* ===== STATES ===== */
:where(a, button, input, select, textarea):focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

button:hover {
    filter: brightness(0.95);
}

:disabled, [aria-disabled="true"] {
    opacity: .6;
    cursor: not-allowed;
}

[aria-invalid="true"] {
    border-color: var(--color-danger);
}

/* ===== UTILITIES ===== */
.container {
    width: min(100% - 2 * var(--space-4), 1120px);
    margin-inline: auto;
}
.media {
    aspect-ratio: 16/9;
    width: min(100%, 800px);
    margin: var(--space-4) 0;
}

.media video {
    width: 100%;
    height: 100%;
    border-radius: var(--radius);
}
html {
    scroll-behavior: smooth;
}
.hero {
    background: 
        linear-gradient(to top, rgba(0,0,0,0.7), rgba(0,0,0,0.3)),
        url("assets/hero-bg.jpg") center/cover no-repeat;
    color: white;
    padding: var(--space-5);
    border-radius: var(--radius);
    margin-bottom: var(--space-5);
    text-align: center;
}

.hero__content {
    max-width: 600px;
    margin: 0 auto;
}

.hero__button {
    display: inline-block;
    background: var(--color-primary);
    color: white;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius);
    text-decoration: none;
    margin-top: var(--space-3);
}