:root {
    --bg-color: #0B0E14;
    --surface-color: #151B26;
    --primary-color: #00E5FF;
    --secondary-color: #7B61FF;
    --text-color: #E0E6ED;
    --text-muted: #94A3B8;
    --white: #ffffff;
    --transition: all 0.3s ease;
    --font-main: 'Rajdhani', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    font-size: 18px;
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.section {
    padding: 80px 0;
}

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

.section-title {
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: 4px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
}

.btn--primary {
    background-color: var(--primary-color);
    color: var(--bg-color);
}

.btn--primary:hover {
    background-color: transparent;
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

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

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

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

/* Header */
.header {
    background-color: rgba(11, 14, 20, 0.95);
    padding: 15px 0;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--white);
    letter-spacing: 1px;
}

.nav__list {
    display: none;
}

@media (min-width: 1024px) {
    .nav__list {
        display: flex;
        gap: 30px;
    }

    .nav__link {
        font-weight: 500;
        position: relative;
    }

    .nav__link::after {
        content: '';
        position: absolute;
        bottom: -5px;
        left: 0;
        width: 0;
        height: 2px;
        background-color: var(--primary-color);
        transition: var(--transition);
    }

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

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

    .burger {
        display: none;
    }
}

/* Burger */
.burger {
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 1001;
}

.burger span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--white);
    position: absolute;
    transition: var(--transition);
}

.burger span:nth-child(1) {
    top: 0;
}

.burger span:nth-child(2) {
    top: 9px;
}

.burger span:nth-child(3) {
    bottom: 0;
}

.burger.active span:nth-child(1) {
    transform: rotate(45deg);
    top: 9px;
}

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

.burger.active span:nth-child(3) {
    transform: rotate(-45deg);
    bottom: 9px;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--bg-color);
    z-index: 999;
    transform: translateX(100%);
    transition: var(--transition);
    display: flex;
    justify-content: center;
    align-items: center;
}

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

.mobile-menu__list {
    text-align: center;
}

.mobile-menu__list li {
    margin: 20px 0;
}

.mobile-menu__list a {
    font-size: 1.5rem;
    font-weight: 600;
}

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

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(0deg, var(--bg-color) 0%, rgba(11, 14, 20, 0.7) 100%);
}

.hero__content {
    position: relative;
    z-index: 2;
    max-width: 900px;
}

.badge {
    display: inline-block;
    background-color: rgba(0, 229, 255, 0.1);
    color: var(--primary-color);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 20px;
    border: 1px solid rgba(0, 229, 255, 0.3);
}

.hero__title {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--white);
}

.hero__subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

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

@media (max-width: 768px) {
    .hero__title {
        font-size: 2rem;
    }
}

/* Features */
.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}

@media (min-width: 1200px) {
    .features__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.feature-card {
    background-color: var(--surface-color);
    padding: 30px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.feature-card__icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    color: var(--white);
}

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

.service-card {
    background-color: var(--surface-color);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
}

.service-card:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.service-card__img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.service-card__content {
    padding: 25px;
}

.service-card__content h3 {
    color: var(--white);
    margin-bottom: 10px;
}

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

.review-card {
    background-color: var(--surface-color);
    padding: 30px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

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

.review-card__avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-color);
}

.stars {
    color: #FFD700;
}

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

@media (min-width: 992px) {
    .contacts__container {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.contact-item i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.form {
    background-color: var(--surface-color);
    padding: 40px;
    border-radius: 8px;
}

.form__group {
    margin-bottom: 20px;
}

.form__group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-muted);
}

.form__group input {
    width: 100%;
    padding: 12px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    color: var(--white);
    font-family: inherit;
}

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

/* Footer */
.footer {
    background-color: #05070A;
    padding-top: 80px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    padding-bottom: 50px;
}

.footer h4 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.1rem;
}

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

.footer ul li a:hover {
    color: var(--primary-color);
}

.footer__bottom {
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Cookie Popup */
.cookie-popup {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--surface-color);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    z-index: 2000;
    width: 90%;
    max-width: 400px;
    text-align: center;
    border: 1px solid rgba(0, 229, 255, 0.3);
}

.cookie-popup.hidden {
    display: none;
}

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

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 3000;
    display: none;
    backdrop-filter: blur(5px);
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--surface-color);
    padding: 40px;
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    z-index: 3001;
    display: none;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.modal.active,
.modal-overlay.active {
    display: block;
}

.modal__close {
    position: absolute;
    top: 15px;
    right: 20px;
    background: none;
    border: none;
    color: var(--white);
    font-size: 2rem;
    cursor: pointer;
}

.modal__content h3 {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.modal__content p {
    margin-bottom: 15px;
}

.modal__content ul {
    list-style: disc;
    padding-left: 20px;
    margin-bottom: 15px;
}

/* Form Util */
.hidden {
    display: none;
}

.success-message {
    text-align: center;
    margin-top: 20px;
    color: #4CAF50;
}

.success-message i {
    font-size: 3rem;
    margin-bottom: 10px;
}