/* base.css — сброс, типографика, глобальные ссылки, кнопки и поля ввода */
* { box-sizing: border-box; min-width: 0; }

* { margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--cloud);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: clip;
}

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

/* === 8. Ссылки (Унифицированная система) === */
a {
    color: var(--color-link);
    text-decoration: none;
    transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

a:hover {
    color: var(--color-link-hover);
}

/* Контентные ссылки в тексте статей и сообщений */
.text-body a,
.page-article a,
.content-area a {
    color: var(--brand-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.text-body a:hover,
.page-article a:hover,
.content-area a:hover {
    color: var(--brand-blue);
    text-decoration: underline;
}

.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
}

#site {
    opacity: 0;
    transition: opacity 0.7s ease;
}
#site.show { opacity: 1; }

/* === 7. Единая система кнопок === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-head);
    text-transform: uppercase;
    font-size: 13px;
    letter-spacing: 0.08em;
    padding: 12px 24px;
    border-radius: 2px;
    border: 1px solid transparent;
    font-weight: 500;
    line-height: 1.4;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    text-align: center;
    cursor: pointer;
    background: transparent;
    text-decoration: none !important;
}

/* Primary Button */
.btn-primary {
    background-color: var(--brand-primary);
    color: var(--on-dark);
    border-color: var(--brand-primary);
}
.btn-primary:hover {
    background-color: #00545c;
    border-color: #00545c;
    color: var(--on-dark);
}
.btn-primary:active {
    background-color: #003e44;
    border-color: #003e44;
}

/* Secondary Button */
.btn-secondary {
    background-color: var(--brand-light);
    color: var(--brand-primary);
    border-color: var(--brand-light);
}
.btn-secondary:hover {
    background-color: #c9e3eb;
    color: #00545c;
}

/* Outline Button */
.btn-outline {
    background-color: transparent;
    color: var(--brand-primary);
    border-color: var(--brand-primary);
}
.btn-outline:hover {
    background-color: var(--brand-primary);
    color: var(--on-dark);
}

/* Ghost Button */
.btn-ghost {
    background-color: transparent;
    color: var(--brand-primary);
    border-color: transparent;
}
.btn-ghost:hover {
    background-color: var(--brand-light);
    color: var(--brand-primary);
}

/* Disabled state */
.btn:disabled,
.btn.is-disabled {
    background-color: #e0e0e0 !important;
    border-color: #e0e0e0 !important;
    color: #9e9e9e !important;
    cursor: not-allowed;
    box-shadow: none !important;
}

/* === 9. Формы и поля ввода === */
input[type="text"],
input[type="email"],
input[type="search"],
input[type="password"],
input[type="tel"],
input[type="url"],
input[type="date"],
textarea,
select {
    font-family: var(--font-body);
    font-size: 15px;
    color: var(--brand-gray);
    background-color: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: 2px;
    padding: 10px 14px;
    line-height: 1.5;
    width: 100%;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:hover,
textarea:hover,
select:hover {
    border-color: var(--brand-gray);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(0, 108, 118, 0.15);
}

/* Ошибки и успешные состояния полей */
.is-error,
input.is-error,
textarea.is-error,
select.is-error {
    border-color: var(--brand-red) !important;
    box-shadow: 0 0 0 3px rgba(210, 73, 42, 0.15) !important;
}

.is-success,
input.is-success,
textarea.is-success,
select.is-success {
    border-color: var(--brand-teal) !important;
    box-shadow: 0 0 0 3px rgba(53, 196, 181, 0.15) !important;
}

/* Сообщения форм */
.form-help-text {
    font-size: 13px;
    color: var(--brand-gray);
    margin-top: 4px;
}

.form-error-msg {
    font-size: 13px;
    color: var(--brand-red);
    margin-top: 4px;
    font-weight: 500;
}

.form-success-msg {
    font-size: 13px;
    color: var(--brand-primary);
    margin-top: 4px;
    font-weight: 500;
}

/* === Доступность (Focus states) === */
:focus-visible {
    outline: 3px solid var(--brand-blue);
    outline-offset: 2px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.doc-row .name,
.doc-row .doc-ext,
footer li,
.bracket-label,
.tag {
    overflow-wrap: anywhere;
}