:root {
    --bg-dark: #0f0c29;
    --bg-secondary: #1a163f;
    --primary: #0575E6;
    --accent: #00F260;
    --text-main: #ffffff;
    --text-muted: #b0b0b0;
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Manrope', sans-serif;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(15, 12, 41, 0.95);
    backdrop-filter: blur(10px);
    z-index: 100;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-main);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.2rem;
    transition: var(--transition);
}

.logo:hover {
    color: var(--accent);
    transform: scale(1.05);
}

.nav__list {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav__link {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.nav__link:hover {
    color: var(--accent);
}

/* Mobile Menu */
.burger {
    display: none;
    cursor: pointer;
    z-index: 110;
    /* Бургер всегда поверх меню */
    position: relative;
    padding: 5px;
}

.burger:hover {
    opacity: 0.8;
}

.burger__line {
    width: 25px;
    height: 3px;
    background-color: var(--text-main);
    margin: 5px 0;
    transition: var(--transition);
    /* Для плавной анимации */
    transform-origin: center;
}

/* Скрываем отдельную кнопку закрытия, будем анимировать бургер */
.nav__close {
    display: none !important;
}

/* Анимация бургера в крестик при активном меню */
.burger.active .burger__line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

.burger.active .burger__line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

@media (max-width: 1024px) {
    .burger {
        display: block;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        /* Скрыто за экраном */
        width: 100%;
        /* На всю ширину */
        height: 100vh;
        background-color: var(--bg-secondary);
        flex-direction: column;
        justify-content: center;
        transition: var(--transition);
        padding: 40px;
        z-index: 100;
        /* Меню под бургером */
        box-shadow: none;
        /* Убираем тень, т.к. меню на весь экран */
    }

    .nav.active {
        right: 0;
        /* Показываем меню */
    }

    .nav__list {
        flex-direction: column;
        align-items: center;
        gap: 40px;
        margin-top: 60px;
    }
}

/* UI Elements */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.btn--primary {
    background: linear-gradient(90deg, var(--primary), var(--bg-dark));
    border: 1px solid var(--primary);
    color: white;
}

.btn--primary:hover {
    background: var(--primary);
    box-shadow: 0 0 15px rgba(5, 117, 230, 0.5);
}

.btn--outline {
    border-color: var(--accent);
    color: var(--accent);
}

.btn--outline:hover {
    background: var(--accent);
    color: var(--bg-dark);
}

.btn--full {
    width: 100%;
    text-align: center;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    background: linear-gradient(90deg, var(--text-main), var(--primary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-title--left {
    text-align: left;
}

/* Hero */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('images/hero-bg.jpg') no-repeat center/cover;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15, 12, 41, 0.7) 0%, rgba(15, 12, 41, 1) 100%);
}

.hero__content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    text-align: center;
}

.badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    padding: 8px 16px;
    border-radius: 50px;
    border: 1px solid var(--accent);
    color: var(--accent);
    font-size: 0.9rem;
    margin-bottom: 20px;
    transition: var(--transition);
}

.badge:hover {
    background: rgba(0, 242, 96, 0.1);
    transform: scale(1.05);
    box-shadow: 0 0 15px rgba(0, 242, 96, 0.3);
}

.hero__title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero__subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.hero__actions {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* Features */
.section {
    padding: 80px 0;
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--bg-secondary);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
}

.feature-card__icon {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 20px;
    transition: var(--transition);
}

.feature-card:hover .feature-card__icon {
    transform: scale(1.2) rotate(5deg);
    color: var(--primary);
}

.feature-card h3 {
    margin-bottom: 15px;
    font-family: var(--font-heading);
}

.feature-card p {
    color: var(--text-muted);
}

/* Services (Grid) */
.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: 250px;
    gap: 20px;
}

@media (max-width: 1200px) {
    .services__grid {
        grid-template-rows: 220px;
    }
}

.service-item {
    background-size: cover;
    background-position: center;
    border-radius: 12px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.service-item:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(5, 117, 230, 0.3);
}

.service-item--large {
    grid-column: span 2;
}

.service-item__content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.9), transparent);
    transition: var(--transition);
}

.service-item:hover .service-item__content {
    background: linear-gradient(0deg, rgba(5, 117, 230, 0.8), transparent);
}

/* Reviews */
.reviews__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.review-card {
    background: var(--bg-secondary);
    padding: 30px;
    border-radius: 12px;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.review-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(5, 117, 230, 0.2);
}

.review-card__text {
    font-style: italic;
    margin-bottom: 20px;
}

.review-card__author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.review-card__avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    transition: var(--transition);
}

.review-card:hover .review-card__avatar {
    transform: scale(1.1);
    box-shadow: 0 0 10px rgba(0, 242, 96, 0.5);
}

/* Contacts & Form */
.contacts__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contacts__list {
    list-style: none;
    margin-top: 30px;
}

.contacts__list li {
    margin-bottom: 20px;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: var(--transition);
}

.contacts__list li:hover {
    color: var(--accent);
    transform: translateX(5px);
}

.contacts__list li:hover i {
    color: var(--accent);
    transform: scale(1.2);
}

.contacts__list i {
    color: var(--primary);
    transition: var(--transition);
}

.contacts__form {
    background: var(--bg-secondary);
    padding: 40px;
    border-radius: 12px;
}

.form-group {
    margin-bottom: 20px;
    position: relative;
}

.contacts__form input {
    width: 100%;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid transparent;
    border-radius: 6px;
    color: white;
    font-family: var(--font-body);
    transition: var(--transition);
}

.contacts__form input:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(5, 117, 230, 0.3);
}

.contacts__form input:focus {
    outline: none;
    border-color: var(--primary);
}

.captcha-group {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

#captchaQuestion {
    font-weight: bold;
    font-size: 1.2rem;
}

#captchaAnswer {
    width: 80px;
}

.error-msg {
    color: #ff4d4d;
    font-size: 0.8rem;
    position: absolute;
    bottom: -18px;
    left: 0;
}

.spinner {
    display: none;
    margin-left: 10px;
}

/* Footer */
.footer {
    background: #05040e;
    padding: 60px 0 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer__logo {
    margin-bottom: 20px;
    display: inline-block;
    transition: var(--transition);
}

.footer__logo:hover {
    color: var(--accent);
    transform: scale(1.05);
}

.footer__col h4 {
    margin-bottom: 20px;
    font-family: var(--font-heading);
}

.footer__col ul {
    list-style: none;
}

.footer__col ul li {
    margin-bottom: 10px;
}

.footer__col a {
    color: var(--text-muted);
    text-decoration: none;
    transition: 0.3s;
}

.footer__col a:hover {
    color: var(--accent);
}

/* Modals */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 998;
    display: none;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg-secondary);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    z-index: 999;
    padding: 30px;
    border-radius: 12px;
    display: none;
    flex-direction: column;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.modal__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal__close {
    background: none;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    transition: var(--transition);
}

.modal__close:hover {
    color: var(--accent);
    transform: rotate(90deg) scale(1.1);
}

.modal__body {
    overflow-y: auto;
    padding-right: 10px;
}

.modal__body p {
    margin-bottom: 15px;
    line-height: 1.6;
    color: var(--text-muted);
}

.modal__body h4 {
    margin-top: 20px;
    margin-bottom: 12px;
    color: var(--primary);
    font-family: var(--font-heading);
    font-size: 1.3rem;
}

.modal__body h4:first-child {
    margin-top: 0;
}

.modal__body ul,
.modal__body ol {
    margin-left: 25px;
    margin-bottom: 15px;
    padding-left: 10px;
}

.modal__body ul li,
.modal__body ol li {
    margin-bottom: 8px;
    line-height: 1.6;
    color: var(--text-muted);
}

.modal__body ul ul,
.modal__body ol ol {
    margin-top: 8px;
    margin-bottom: 8px;
}

.modal__body a {
    color: var(--accent);
    text-decoration: none;
    transition: var(--transition);
}

.modal__body a:hover {
    color: var(--primary);
    text-decoration: underline;
}

.modal__body strong {
    color: var(--text-main);
    font-weight: 600;
}

/* Cookie Popup */
.cookie-popup {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: 8px;
    z-index: 900;
    border: 1px solid var(--accent);
    display: none;
    max-width: 400px;
}

.cookie-content {
    text-align: center;
}

.cookie-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 15px;
}

.btn--small {
    padding: 8px 16px;
    font-size: 0.9rem;
}

/* Responsive adjustments */

/* Large screens (1400px and up) */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }

    .hero__title {
        font-size: 4rem;
    }

    .section-title {
        font-size: 3rem;
    }
}

/* Tablets and small desktops (1024px - 1400px) */
@media (max-width: 1400px) {
    .container {
        max-width: 1140px;
    }
}

/* Tablets (768px - 1024px) */
@media (max-width: 1024px) {
    .container {
        padding: 0 30px;
    }

    .hero__title {
        font-size: 3rem;
    }

    .hero__subtitle {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .section {
        padding: 60px 0;
    }

    .features__grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }

    .services__grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: auto;
    }

    .service-item--large {
        grid-column: span 2;
    }

    .contacts__wrapper {
        gap: 40px;
    }

    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile devices (480px - 768px) */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .header {
        padding: 12px 0;
    }

    .logo {
        font-size: 1rem;
    }

    .logo svg {
        width: 32px;
        height: 32px;
    }

    .hero {
        min-height: 500px;
        padding: 80px 0 40px;
    }

    .hero__title {
        font-size: 2.2rem;
        margin-bottom: 15px;
    }

    .hero__subtitle {
        font-size: 1rem;
        margin-bottom: 25px;
    }

    .hero__actions {
        flex-direction: column;
        gap: 15px;
        width: 100%;
    }

    .hero__actions .btn {
        width: 100%;
        text-align: center;
    }

    .badge {
        font-size: 0.8rem;
        padding: 6px 12px;
        margin-bottom: 15px;
    }

    .section {
        padding: 50px 0;
    }

    .section-title {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }

    .section-title--left {
        text-align: center;
    }

    .features__grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .feature-card {
        padding: 25px;
    }

    .feature-card__icon {
        font-size: 1.8rem;
    }

    .services__grid {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }

    .service-item {
        height: 250px;
        min-height: 250px;
    }

    .service-item--large {
        height: 300px;
        min-height: 300px;
    }

    .reviews__grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .review-card {
        padding: 25px;
    }

    .contacts__wrapper {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .contacts__form {
        padding: 30px 20px;
    }

    .contacts__list li {
        font-size: 1rem;
    }

    .footer {
        padding: 40px 0 20px;
    }

    .footer__grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .modal {
        width: 95%;
        padding: 20px;
        max-height: 90vh;
    }

    .modal__header h3 {
        font-size: 1.3rem;
    }

    .modal__body h4 {
        font-size: 1.1rem;
    }

    .nav {
        width: 85%;
    }
}

/* Touch device improvements */
@media (hover: none) and (pointer: coarse) {
    .btn:hover {
        transform: none;
    }

    .feature-card:hover {
        transform: none;
    }

    .service-item:hover {
        transform: none;
    }
}

/* Small mobile devices (up to 480px) */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        min-height: 450px;
        padding: 60px 0 30px;
    }

    .hero__title {
        font-size: 1.8rem;
        line-height: 1.3;
    }

    .hero__subtitle {
        font-size: 0.95rem;
    }

    .section {
        padding: 40px 0;
    }

    .section-title {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }

    .feature-card {
        padding: 20px;
    }

    .feature-card h3 {
        font-size: 1.1rem;
    }

    .feature-card p {
        font-size: 0.9rem;
    }

    .service-item {
        height: 200px;
        min-height: 200px;
    }

    .service-item--large {
        height: 250px;
        min-height: 250px;
    }

    .service-item__content {
        padding: 15px;
    }

    .service-item__content h3 {
        font-size: 1.2rem;
    }

    .service-item__content p {
        font-size: 0.9rem;
    }

    .review-card {
        padding: 20px;
    }

    .review-card__text {
        font-size: 0.95rem;
    }

    .contacts__form {
        padding: 25px 15px;
    }

    .contacts__form input {
        padding: 12px;
        font-size: 0.95rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.95rem;
    }

    .modal {
        width: 98%;
        padding: 15px;
    }

    .modal__header h3 {
        font-size: 1.1rem;
    }

    .modal__body {
        font-size: 0.9rem;
    }

    .modal__body h4 {
        font-size: 1rem;
    }

    .nav {
        width: 90%;
        padding: 30px 20px;
    }

    .nav__list {
        gap: 30px;
    }

    .footer__col h4 {
        font-size: 1rem;
    }
}

/* Landscape orientation for mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        min-height: 100vh;
        padding: 60px 0;
    }

    .hero__title {
        font-size: 2rem;
    }
}

/* Print styles */
@media print {

    .header,
    .footer,
    .hero__actions,
    .contacts__form,
    .modal,
    .nav {
        display: none;
    }

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