/* Переменные */
:root {
    
    --color-primary: #0049b7;
    --color-primary-dark: #002f6c;
    --color-primary-light: #007cc7;
    --color-secondary: #edf4ff;
    --color-success: #2f8f63;
    --color-dark: #17212b;
    --color-dark-light: #334155;
    --color-light: #f6f9ff;
    --color-surface: #ffffff;
    --color-surface-alt: #f3f7ff;
    --color-muted: #667085;
    --color-border: #d8e1ef;
    --shadow-sm: 0 6px 18px rgb(23 33 43 / 0.05);

    
    --bs-primary: var(--color-primary);
    --bs-primary-rgb: 0, 73, 183;
    --shadow: 0 16px 40px rgb(23 33 43 / 0.08);
    --shadow-lg: 0 24px 56px rgb(23 33 43 / 0.12);
    --shadow-xl: 0 32px 80px rgb(23 33 43 / 0.16);
    --radius: 1rem;
    --radius-lg: 1.5rem;
    --transition: 0.25s ease;
    --transition-slow: 0.4s ease;
    --container-max: 1320px;
    --container-padding: 1rem;
    --header-height: 88px;
    --mobile-cta-offset: 64px;
    --safe-area-top: env(safe-area-inset-top, 0px);
    --safe-area-right: env(safe-area-inset-right, 0px);
    --safe-area-bottom: env(safe-area-inset-bottom, 0px);
    --safe-area-left: env(safe-area-inset-left, 0px);
}

/* Базовые стили */
html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    --scrollbar-thumb: #0049b7;
    --scrollbar-track: rgba(0, 73, 183, 0.14);
    scrollbar-width: auto;
    scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    color: var(--color-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    max-width: 100vw;
    padding-top: 0;
    padding-bottom: 0;
    background:
        radial-gradient(circle at top left, rgba(0, 73, 183, 0.06), transparent 30%),
        radial-gradient(circle at right 12%, rgba(0, 124, 199, 0.05), transparent 26%),
        linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
    scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

html.dynamic-viewport body {
    min-height: calc(var(--app-vh, 1svh) * 100);
}

/* Critical hero readability */
body.page-home .hero--bg-image {
    position: relative;
    overflow: hidden;
    background: #1a2436;
}

body.page-home .hero--bg-image::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background:
        linear-gradient(130deg, rgba(10, 16, 28, 0.88) 0%, rgba(10, 16, 28, 0.72) 50%, rgba(10, 16, 28, 0.86) 100%),
        radial-gradient(circle at 80% 15%, rgba(0, 124, 199, 0.18), transparent 34%);
}

body.page-home .hero-bg-media {
    position: absolute;
    inset: 0;
    z-index: 0;
}

body.page-home .hero-bg-media img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center;
    filter: brightness(0.86) saturate(1.02);
}

body.page-home .hero .container {
    position: relative;
    z-index: 2;
}

body.page-home .hero-title,
body.page-home .hero-subtitle,
body.page-home .hero-list li {
    text-shadow: 0 6px 20px rgba(0, 0, 0, 0.45);
}

body.page-home .hero-title {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    font-weight: 800;
}

/* Полоса прокрутки */
html::-webkit-scrollbar {
    width: 16px;
    height: 16px;
}

body::-webkit-scrollbar {
    width: 16px;
    height: 16px;
}

html::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}

body::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}

html::-webkit-scrollbar-thumb {
    background-color: var(--scrollbar-thumb) !important;
    background-image: none !important;
    border-radius: 999px;
    border: 3px solid #ffffff;
}

body::-webkit-scrollbar-thumb {
    background-color: var(--scrollbar-thumb) !important;
    background-image: none !important;
    border-radius: 999px;
    border: 3px solid #ffffff;
}

html::-webkit-scrollbar-thumb:hover {
    background-color: var(--scrollbar-thumb) !important;
    background-image: none !important;
    border-width: 3px;
    box-shadow: none;
}

body::-webkit-scrollbar-thumb:hover {
    background-color: var(--scrollbar-thumb) !important;
    background-image: none !important;
    border-width: 3px;
    box-shadow: none;
}

html::-webkit-scrollbar-thumb:active {
    background-color: var(--scrollbar-thumb) !important;
    background-image: none !important;
    box-shadow: none;
}

body::-webkit-scrollbar-thumb:active {
    background-color: var(--scrollbar-thumb) !important;
    background-image: none !important;
    box-shadow: none;
}

main {
    padding-top: 0;
}

.section-header,
.section__header {
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
}

.section-title,
.section__title {
    font-weight: 800;
    font-size: clamp(2rem, 4vw, 3.2rem);
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 0.75rem;
    color: var(--color-dark);
}

.section-subtitle,
.section__subtitle,
.section__text {
    color: var(--color-muted);
    font-size: clamp(1rem, 2vw, 1.125rem);
    line-height: 1.7;
}

h1,
h2,
h3,
h4 {
    text-wrap: balance;
}

a {
    text-decoration: none;
}

p,
li,
dd {
    text-wrap: pretty;
    text-decoration: none;
}

/* Accessibility */
.skip-link {
    position: absolute;
    left: 1rem;
    top: -120px;
    z-index: 2000;
    padding: 0.7rem 1rem;
    border-radius: 0.75rem;
    background: #ffffff;
    color: var(--color-primary-dark);
    border: 1px solid rgba(0, 73, 183, 0.24);
    box-shadow: 0 10px 24px rgba(23, 33, 43, 0.14);
    font-weight: 600;
    transition: top var(--transition);
}

.skip-link:focus,
.skip-link:focus-visible {
    top: 1rem;
}

main[id="main-content"] {
    scroll-margin-top: calc(var(--header-height) + 1rem);
}

main[id="main-content"]:focus {
    outline: 2px solid rgba(0, 73, 183, 0.65);
    outline-offset: 4px;
    border-radius: 0.5rem;
}

.mobile-sticky-cta {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1090;
    display: flex;
    gap: 0.6rem;
    padding: 0.6rem calc(env(safe-area-inset-right) + 0.8rem) calc(env(safe-area-inset-bottom) + 0.65rem) calc(env(safe-area-inset-left) + 0.8rem);
    background: rgba(11, 20, 36, 0.92);
    backdrop-filter: blur(12px);
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    transition: transform 0.22s ease, opacity 0.22s ease;
}

.mobile-sticky-cta__btn {
    flex: 1;
    border-radius: 0.85rem;
    font-weight: 700;
    padding: 0.72rem 0.9rem;
    text-align: center;
    white-space: nowrap;
}

.mobile-sticky-cta__btn.btn-outline-light {
    border-color: rgba(255, 255, 255, 0.45);
    color: #fff;
}

.mobile-sticky-cta__btn.btn-outline-light:hover {
    border-color: rgba(255, 255, 255, 0.75);
    background: rgba(255, 255, 255, 0.12);
}

@media (max-width: 991.98px) {
    body.has-mobile-cta {
        padding-bottom: 0;
    }

    body.has-mobile-cta.cookie-banner-open {
        padding-bottom: 0;
    }

    body.has-mobile-cta.cookie-banner-open .mobile-sticky-cta {
        transform: translateY(120%);
        opacity: 0;
        pointer-events: none;
    }

    body.has-mobile-cta .contact-floating {
        display: none !important;
    }
}

@media (max-width: 767.98px) {
    .mobile-sticky-cta {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background: rgba(11, 20, 36, 0.98);
    }
}

@media (min-width: 992px) {
    .mobile-sticky-cta {
        display: none;
    }
}

/* Типографика */
.section__title {
    font-weight: 700;
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.section__text {
    color: var(--color-muted);
    font-size: 1.1rem;
}

.section__subtitle {
    color: var(--color-muted);
    font-size: 1.1rem;
    margin-top: 0.5rem;
}

.section__header {
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Контейнер */
.container,
.container-lg,
.container-md,
.container-sm,
.container-xl,
.container-xxl {
    max-width: var(--container-max) !important;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
    margin-left: auto !important;
    margin-right: auto !important;
}

/* Формы */
.form-control {
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    background: rgba(250, 252, 255, 0.98);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(0, 73, 183, 0.12);
}

.form-control.is-invalid {
    border-color: #dc3545;
}

/* Кнопки */
.btn {
    border-radius: var(--radius);
    font-weight: 600;
    padding: 0.625rem 1.25rem;
    transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition), border-color var(--transition);
    box-shadow: none;
}

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

.btn:active {
    transform: translateY(0);
}

a:focus-visible,
button:focus-visible,
.btn:focus-visible,
.form-control:focus-visible,
.nav-link:focus-visible,
.accordion-button:focus-visible {
    outline: 2px solid rgba(0, 73, 183, 0.28);
    outline-offset: 2px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border: 0;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    box-shadow: 0 14px 28px rgba(0, 73, 183, 0.24);
}

/* Модальные окна */
.modal-content {
    border: 0;
    border-radius: var(--radius-lg);
}

/* Анимации */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.5s ease forwards;
}

/* Печать */
@media print {

    .header,
    .btn,
    form,
    .footer {
        display: none !important;
    }

    body {
        font-size: 12pt;
        color: #000;
        background: #fff;
    }

    .section {
        page-break-inside: avoid;
    }

    .section__title {
        page-break-after: avoid;
    }

    .hero {
        background: #f5f5f5;
    }

    .section--cta {
        background: #f5f5f5;
        color: #000;
    }
}

/* Уменьшение анимации */
@media (prefers-reduced-motion: reduce) {

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