/* ==========================================
   ЯМЦК — Современный дизайн сайта
   ========================================== */

:root {
    /* Основные цвета */
    --color-primary: #FF6B35;
    --color-primary-dark: #E85A24;
    --color-primary-light: #FF8F66;
    
    --color-dark: #0D1117;
    --color-dark-light: #161B22;
    --color-dark-lighter: #21262D;
    
    --color-light: #F6F8FA;
    --color-light-dark: #E6E8EB;
    
    --color-accent: #FFD166;
    --color-success: #2ECC71;
    
    /* Текст */
    --text-primary: #FFFFFF;
    --text-secondary: #B0B8C1;
    --text-dark: #0D1117;
    
    /* Типографика */
    --font-heading: 'Bebas Neue', sans-serif;
    --font-body: 'Montserrat', sans-serif;
    
    /* Размеры */
    --container-max: 1320px;
    --header-height: 80px;
    
    /* Переходы */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Тени */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.15);
    --shadow-lg: 0 16px 48px rgba(0,0,0,0.2);
    --shadow-glow: 0 0 40px rgba(255,107,53,0.3);
}

/* ==========================================
   Reset & Base
   ========================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--color-light);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ==========================================
   Container
   ========================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ==========================================
   Buttons
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 8px;
    transition: var(--transition-normal);
    white-space: nowrap;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    box-shadow: 0 4px 16px rgba(255,107,53,0.4);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255,107,53,0.5);
}

.btn--outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn--outline:hover {
    background: var(--color-primary);
    color: white;
}

.btn--sm {
    padding: 10px 20px;
    font-size: 13px;
}

.btn--lg {
    padding: 16px 32px;
    font-size: 14px;
}

.btn--full {
    width: 100%;
}

.btn__icon {
    font-size: 18px;
}

/* ==========================================
   Header
   ========================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    height: var(--header-height);
}

.header__inner {
    display: flex;
    align-items: center;
    height: var(--header-height);
    gap: 24px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo__img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.logo__svg {
    height: 50px;
    width: auto;
    display: block;
}

/* Navigation */
.nav {
    display: flex;
    gap: 28px;
    margin-left: auto;
}

.nav__link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
    padding: 8px 0;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition-normal);
}

.nav__link:hover::after {
    width: 100%;
}

.nav__link--admin {
    font-size: 18px;
    opacity: 0.5;
    transition: opacity 0.3s;
}

.nav__link--admin::after {
    display: none;
}

.nav__link--admin:hover {
    opacity: 1;
    color: var(--primary);
}

/* Header contacts */
.header__contacts {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
    margin-left: 24px;
}

.header__phones {
    display: flex;
    gap: 16px;
}

.phone {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-dark);
}

.phone--accent {
    color: var(--color-primary);
}

.header__schedule {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: var(--text-secondary);
}

.schedule-dot {
    width: 6px;
    height: 6px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.header__cta {
    flex-shrink: 0;
    margin-left: 16px;
}

/* Burger menu */
.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    z-index: 1001;
    margin-left: auto;
}

.burger span {
    width: 24px;
    height: 2px;
    background: var(--color-dark);
    transition: var(--transition-fast);
}

.burger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.burger.active span:nth-child(2) {
    opacity: 0;
}

.burger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile menu */
.mobile-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: white;
    z-index: 999;
    padding: 40px 24px;
    transform: translateX(100%);
    transition: var(--transition-normal);
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.mobile-nav__link {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
}

.mobile-menu__phones {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mobile-menu__phones a {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-primary);
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    background: 
        linear-gradient(135deg, rgba(13, 17, 23, 0.5) 0%, rgba(26, 31, 46, 0.6) 100%),
        url('https://avatars.mds.yandex.net/i?id=8866298a82269741c2160b75503c49893124c378-5101651-images-thumbs&n=13');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__stripes {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: repeating-linear-gradient(
        -45deg,
        transparent,
        transparent 15px,
        var(--color-primary) 15px,
        var(--color-primary) 30px
    );
    opacity: 0.08;
}

.hero__particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding-top: 40px;
    padding-bottom: 80px;
}

.hero__content {
    max-width: 700px;
}

.hero__badge {
    display: inline-block;
    background: rgba(255,107,53,0.15);
    color: var(--color-primary);
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(255,107,53,0.3);
}

.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(42px, 6vw, 80px);
    line-height: 1;
    margin-bottom: 20px;
}

.hero__title-line {
    display: block;
    color: var(--text-primary);
}

.hero__title-line--accent {
    color: var(--color-primary);
    text-shadow: 0 0 60px rgba(255,107,53,0.5);
}

.hero__text {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 480px;
    margin-bottom: 28px;
    line-height: 1.7;
}

.hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.hero__stats {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.hero__stat {
    display: flex;
    flex-direction: column;
}

.hero__stat-num {
    font-family: var(--font-heading);
    font-size: 42px;
    color: var(--color-primary);
    line-height: 1;
    display: inline;
}

.hero__stat-plus {
    font-family: var(--font-heading);
    font-size: 42px;
    color: var(--color-primary);
    line-height: 1;
}

.hero__stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
}

/* Hero visual */
.hero__visual {
    display: none;
}

.hero__image-wrapper {
    position: relative;
    width: 100%;
    max-width: 550px;
}

.hero__image-frame {
    position: absolute;
    top: -15px;
    right: -15px;
    width: calc(100% - 30px);
    height: calc(100% - 30px);
    border: 3px solid var(--color-primary);
    border-radius: 16px;
    z-index: 0;
}

.hero__image {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 380px;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

/* Hero scroll indicator */
.hero__scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 2px;
    animation: bounce 2s infinite;
}

.hero__scroll-icon {
    font-size: 18px;
    color: var(--color-primary);
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ==========================================
   Section Styles
   ========================================== */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header--light .section-title,
.section-header--light .section-subtitle {
    color: var(--text-primary);
}

.section-header--light .section-subtitle {
    color: var(--text-secondary);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(32px, 4vw, 48px);
    color: var(--text-dark);
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
}

/* ==========================================
   Services Section
   ========================================== */
.services {
    padding: 100px 0;
    background: var(--color-light);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: white;
    border-radius: 16px;
    padding: 32px;
    transition: var(--transition-normal);
    border: 1px solid var(--color-light-dark);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.service-card--featured {
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-light) 100%);
    border: none;
}

.service-card--featured .service-card__title,
.service-card--featured .service-card__text {
    color: var(--text-primary);
}

.service-card--featured .service-card__text {
    color: var(--text-secondary);
}

.service-card__icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    box-shadow: var(--shadow-glow);
}

.service-card__icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.service-card__title {
    font-family: var(--font-heading);
    font-size: 24px;
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.service-card__text {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
    font-size: 14px;
}

.service-card__link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.service-card__link .arrow {
    transition: var(--transition-fast);
}

.service-card__link:hover .arrow {
    transform: translateX(4px);
}

/* ==========================================
   Catalog Section
   ========================================== */
.catalog {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-light) 100%);
}

.catalog__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.tech-card {
    background: var(--color-dark-lighter);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition-normal);
    border: 1px solid rgba(255,255,255,0.05);
}

.tech-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    border-color: rgba(255,107,53,0.3);
}

.tech-card__image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.tech-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.tech-card:hover .tech-card__image img {
    transform: scale(1.08);
}

.tech-card__badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--color-primary);
    color: white;
    padding: 5px 12px;
    border-radius: 16px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.tech-card__badge--hot {
    background: linear-gradient(135deg, #FF6B35, #FFD166);
}

.tech-card__link {
    display: block;
}

.tech-card__title a {
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.tech-card__title a:hover {
    color: var(--color-primary);
}

.tech-card__content {
    padding: 24px;
}

.tech-card__title {
    font-family: var(--font-heading);
    font-size: 22px;
    color: var(--text-primary);
    margin-bottom: 6px;
    letter-spacing: 1px;
}

.tech-card__specs {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 16px;
}

.tech-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.tech-card__price {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.tech-card__price-value {
    font-family: var(--font-heading);
    font-size: 28px;
    color: var(--color-primary);
}

.tech-card__price-unit {
    color: var(--text-secondary);
    font-size: 13px;
}

/* ==========================================
   Advantages Section
   ========================================== */
.advantages {
    padding: 100px 0;
    background: var(--color-light);
}

.advantages__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.advantage {
    text-align: center;
    padding: 32px 20px;
    background: white;
    border-radius: 16px;
    transition: var(--transition-normal);
    border: 1px solid var(--color-light-dark);
}

.advantage:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.advantage__icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, rgba(255,107,53,0.1), rgba(255,107,53,0.05));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
}

.advantage__title {
    font-family: var(--font-heading);
    font-size: 20px;
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.advantage__text {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.6;
}

/* ==========================================
   About Section
   ========================================== */
.about {
    padding: 100px 0;
    background: white;
}

.about__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about__label {
    display: inline-block;
    color: var(--color-primary);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.about__title {
    font-family: var(--font-heading);
    font-size: clamp(32px, 3.5vw, 42px);
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.about__text {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.7;
    font-size: 15px;
}

.about__text strong {
    color: var(--text-dark);
}

.about__cities {
    margin-top: 28px;
}

.about__cities-label {
    display: block;
    font-weight: 600;
    margin-bottom: 14px;
    color: var(--text-dark);
    font-size: 14px;
}

.about__cities-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.city-tag {
    background: var(--color-light);
    padding: 6px 14px;
    border-radius: 16px;
    font-size: 12px;
    color: var(--text-dark);
    transition: var(--transition-fast);
    cursor: default;
}

.city-tag:hover {
    background: var(--color-primary);
    color: white;
}

/* About visual */
.about__visual {
    position: relative;
}

.about__image-stack {
    position: relative;
}

.about__image-main {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about__image-main img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.about__image-accent {
    position: absolute;
    bottom: -30px;
    left: -30px;
    width: 180px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 4px solid white;
}

.about__image-accent img {
    width: 100%;
    height: 130px;
    object-fit: cover;
}

/* ==========================================
   CTA Section
   ========================================== */
.cta {
    padding: 32px 0;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
}

.cta__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.cta__title {
    font-family: var(--font-heading);
    font-size: clamp(28px, 3.5vw, 40px);
    color: white;
    margin-bottom: 6px;
    letter-spacing: 2px;
}

.cta__text {
    color: rgba(255,255,255,0.8);
    font-size: 15px;
}

.cta__form {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

.cta__input {
    padding: 16px 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 8px;
    background: rgba(255,255,255,0.1);
    color: white;
    font-size: 14px;
    font-family: inherit;
    width: 180px;
    transition: var(--transition-fast);
}

.cta__input::placeholder {
    color: rgba(255,255,255,0.6);
}

.cta__input:focus {
    outline: none;
    border-color: white;
    background: rgba(255,255,255,0.2);
}

.cta__form .btn--primary {
    background: white;
    color: var(--color-primary);
    box-shadow: none;
}

.cta__form .btn--primary:hover {
    background: var(--color-light);
}

/* ==========================================
   Contacts Section
   ========================================== */
.contacts {
    padding: 100px 0;
    background: var(--color-light);
}

.contacts__inner {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    align-items: start;
}

.contacts__title {
    font-family: var(--font-heading);
    font-size: 42px;
    margin-bottom: 32px;
    letter-spacing: 2px;
}

.contacts__item {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.contacts__icon {
    width: 50px;
    height: 50px;
    background: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.contacts__data {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contacts__label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contacts__value {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
}

.contacts__value--link:hover {
    color: var(--color-primary);
}

.contacts__map {
    height: 350px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.contacts__map iframe {
    width: 100%;
    height: 100%;
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    padding: 60px 0 32px;
    background: var(--color-dark);
    color: var(--text-secondary);
}

.footer__inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
    padding-bottom: 50px;
    border-bottom: 1px solid var(--color-dark-lighter);
}

.logo--footer .logo__img {
    height: 40px;
    filter: brightness(0) invert(1);
}

.logo--footer .logo__svg {
    height: 40px;
    width: auto;
}

.footer__desc {
    margin-top: 16px;
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.6;
    max-width: 280px;
}

.footer__nav-title {
    font-family: var(--font-heading);
    font-size: 18px;
    color: white;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.footer__link {
    display: block;
    margin-bottom: 10px;
    font-size: 13px;
    transition: var(--transition-fast);
}

.footer__link:hover {
    color: var(--color-primary);
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    font-size: 13px;
}

.footer__credits {
    color: var(--color-primary);
    font-weight: 600;
}

/* ==========================================
   Modal
   ========================================== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(4px);
}

.modal__content {
    position: relative;
    background: white;
    padding: 40px;
    border-radius: 20px;
    max-width: 460px;
    width: 90%;
    transform: translateY(20px);
    transition: var(--transition-normal);
}

.modal.active .modal__content {
    transform: translateY(0);
}

.modal__close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-light);
    font-size: 22px;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.modal__close:hover {
    background: var(--color-primary);
    color: white;
}

.modal__title {
    font-family: var(--font-heading);
    font-size: 28px;
    margin-bottom: 28px;
    letter-spacing: 1px;
}

.modal__form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.modal__input,
.modal__textarea {
    padding: 14px 18px;
    border: 2px solid var(--color-light-dark);
    border-radius: 10px;
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition-fast);
}

.modal__input:focus,
.modal__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.modal__textarea {
    min-height: 90px;
    resize: vertical;
}

.modal__checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
}

.modal__checkbox input {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
}

/* ==========================================
   Toast Notification
   ========================================== */
.toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--color-dark);
    color: white;
    padding: 16px 28px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-lg);
    z-index: 3000;
    opacity: 0;
    transition: var(--transition-normal);
}

.toast.active {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast__icon {
    width: 28px;
    height: 28px;
    background: var(--color-success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 14px;
}

.toast__text {
    font-size: 14px;
}

/* ==========================================
   Animations
   ========================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero__badge,
.hero__title,
.hero__text,
.hero__actions,
.hero__stats {
    animation: fadeInUp 0.8s ease forwards;
}

.hero__title {
    animation-delay: 0.1s;
}

.hero__text {
    animation-delay: 0.2s;
}

.hero__actions {
    animation-delay: 0.3s;
}

.hero__stats {
    animation-delay: 0.4s;
}

/* Scroll animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================
   Responsive Design
   ========================================== */
@media (max-width: 1200px) {
    .nav {
        display: none;
    }
    
    .header__contacts {
        display: none;
    }
    
    .header__cta {
        display: none;
    }
    
    .burger {
        display: flex;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero__content {
        max-width: 100%;
    }
    
    .hero__text {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero__actions {
        justify-content: center;
    }
    
    .hero__stats {
        justify-content: center;
    }
    
    .hero__visual {
        display: none;
    }
    
    .advantages__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .services__grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .about__inner {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .about__visual {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .contacts__inner {
        grid-template-columns: 1fr;
    }
    
    .contacts__map {
        height: 300px;
    }
    
    .footer__inner {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }
    
    .hero__title {
        font-size: 42px;
    }
    
    .hero__actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero__stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .advantages__grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .cta__inner {
        flex-direction: column;
        text-align: center;
    }
    
    .cta__form {
        flex-direction: column;
        width: 100%;
        max-width: 400px;
    }
    
    .cta__input {
        width: 100%;
    }
    
    .footer__inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer__bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .logo__img,
    .logo__svg {
        height: 40px;
    }
    
    .mobile-menu {
        top: 70px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .services,
    .catalog,
    .advantages,
    .about,
    .contacts {
        padding: 70px 0;
    }
    
    .service-card,
    .advantage,
    .tech-card__content {
        padding: 24px;
    }
    
    .modal__content {
        padding: 28px 20px;
    }
    
    .toast {
        left: 16px;
        right: 16px;
        transform: translateX(0) translateY(100px);
    }
    
    .toast.active {
        transform: translateX(0) translateY(0);
    }
    
    .catalog__grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   Секция калькулятора
   =================================== */
.calculator-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #0d1117 0%, #1a1f2e 50%, #0d1117 100%);
    position: relative;
    overflow: hidden;
}

.calculator-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 107, 53, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255, 179, 71, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

.calculator-section .container {
    position: relative;
    z-index: 1;
}

@media (max-width: 768px) {
    .calculator-section {
        padding: 50px 0;
    }
}