:root {
    --color-bg: #f4f1eb;
    --color-surface: #ffffff;
    --color-surface-alt: #f8f6f2;
    --color-primary: #41354d;
    --color-primary-soft: #5b4a6d;
    --color-accent: #d89f64;
    --color-success: #2c8c5a;
    --color-warning: #d18b1f;
    --color-danger: #b54545;
    --color-text: #1d1b1f;
    --color-text-soft: #645f68;
    --color-border: #ded7e4;
    --shadow-sm: 0 2px 8px rgba(29, 27, 31, 0.08);
    --shadow-md: 0 10px 30px rgba(29, 27, 31, 0.12);
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --container-lg: 1240px;
    --transition-fast: 180ms ease;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    font-family: Inter, Arial, sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
}

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

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

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 20px;
    border: 0;
    border-radius: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--transition-fast), background var(--transition-fast);
}

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

.btn-primary {
    background: var(--color-primary);
    color: #fff;
}

.btn-secondary {
    background: var(--color-surface-alt);
    color: var(--color-primary);
    border: 1px solid var(--color-border);
}

.btn-block {
    width: 100%;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.95rem;
    font-weight: 600;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    min-height: 48px;
    padding: 12px 14px;
    border: 1px solid var(--color-border);
    border-radius: 14px;
    background: #fff;
    color: var(--color-text);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--color-primary-soft);
    box-shadow: 0 0 0 4px rgba(91, 74, 109, 0.12);
}

.form-section {
    margin-bottom: 18px;
}