/* -------- SLAVIN AZURE LIGHT THEME (Microsoft/Azure style) -------- */

:root {
    --blue-primary: #12669A;
    --blue-light: #3DA9FF;
    --blue-dark: #0549CC;
    --gradient-hero: linear-gradient(135deg, #12669A 0%, #2C86FF 40%, #12669A 100% );
    --bg-page: #F3F6FB;
    --bg-card: #FFFFFF;
    --bg-header: #FFFFFF;
    --text-main: #1A1D27;
    --text-secondary: #5A6270;
    --border: #E2E6ED;
    --radius: 12px;
    --shadow: 0 6px 18px rgba(0,0,0,0.08);
    --transition: 0.25s;
}

/* GLOBAL */
body {
    margin: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: var(--bg-page);
    color: var(--text-main);
}

a {
    color: var(--blue-primary);
    text-decoration: none;
    transition: var(--transition);
}

    a:hover {
        color: var(--blue-light);
    }

/* HEADER */
.site-header {
    background: var(--bg-header);
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
}

.header-inner {
    max-width: 1200px;
    margin: auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo img {
    height: 50px;
}

/* NAV */
.main-nav ul {
    list-style: none;
    display: flex;
    gap: 28px;
    margin: 0;
    padding: 0;
}

.main-nav a {
    font-weight: 600;
    color: var(--text-main);
}

    .main-nav a:hover {
        color: var(--blue-primary);
    }

/* MOBILE NAV */
.nav-toggle {
    display: none;
}

/* HERO SECTION */
.hero {
    background: var(--gradient-hero);
    color: white;
    padding: 90px 0;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.hero h1 {
    font-size: 40px;
    margin-bottom: 15px;
}

.hero p {
    font-size: 20px;
    opacity: 0.9;
}

.btn-primary {
    display: inline-block;
    padding: 14px 32px;
    background: white;
    color: var(--blue-primary);
    font-weight: bold;
    border-radius: var(--radius);
    transition: var(--transition);
    margin-top: 20px;
}

    .btn-primary:hover {
        background: #f0f0f0;
    }

/* MAIN CONTENT */
.page-content {
    max-width: 1200px;
    margin: 40px auto 80px;
    padding: 0 20px;
}

/* CARD */
.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    margin-bottom: 35px;
}

.card h3 {
    margin-top: 0;
}

/* GRID */
.grid {
    display: grid;
    gap: 24px;
}

/*.cards-2 {
    grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
}

.cards-3 {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.cards-4 {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}*/

.cards-2 {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 480px), 1fr));
}

.cards-3 {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
}

.cards-4 {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
}

/* FOOTER */
.site-footer {
    background: #FFFFFF;
    padding: 50px 0;
    border-top: 1px solid var(--border);
}

.footer-inner {
    max-width: 1200px;
    margin: auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 35px;
}

.footer-col h4 {
    margin-top: 0;
    color: var(--text-main);
}

/* MOBILE RESPONSIVE */
@media (max-width: 900px) {
    .main-nav ul {
        display: none;
        flex-direction: column;
        background: white;
        padding: 20px;
        position: absolute;
        right: 20px;
        top: 70px;
        width: 200px;
        border-radius: var(--radius);
        box-shadow: var(--shadow);
    }

    .main-nav.open ul {
        display: flex;
    }

    .nav-toggle {
        display: block;
        padding: 8px 14px;
        font-size: 20px;
        background: none;
        border: 1px solid var(--border);
        border-radius: var(--radius);
    }
}


/* Контейнер всей формы */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 550px;
    margin: 0 auto;
}

/* Каждая строка */
.form-row {
    display: flex;
    flex-direction: column;
}

    /* Label */
    .form-row label {
        font-weight: 600;
        margin-bottom: 6px;
    }

/* Поля input */
.form-input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccd3e0;
    border-radius: 6px;
    font-size: 15px;
    background: #ffffff;
    box-sizing: border-box;
}

/* Textarea */
.form-textarea {
    width: 100%;
    padding: 10px;
    height: 140px;
    resize: vertical;
    border: 1px solid #ccd3e0;
    border-radius: 6px;
    font-size: 15px;
    background: #ffffff;
    box-sizing: border-box;
}

/* Ошибки валидации (ASP.NET) */
input.input-validation-error,
textarea.input-validation-error {
    border-color: #e63946 !important;
}

/* Кнопка отправки */
.submit-row {
    text-align: center;
}

.contact-card .btn-primary {
    padding: 12px 24px;
    font-size: 16px;
}

/* Контактная информация */
.contact-info {
    margin-top: 40px;
    text-align: center;
}

/* На мобильных - всё идеально */
@media (max-width: 600px) {
    .contact-card {
        padding: 20px;
    }
}