:root {
    --primary: #00d4ff;
    --primary-dark: #00a3cc;
    --secondary: #7b2cbf;
    --bg: #0f172a;
    --bg-light: #1e293b;
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --white: #ffffff;
    --overlay: rgba(15, 23, 42, 0.85);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --radius: 12px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

ul {
    list-style: none;
}

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

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

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

.section {
    padding: 80px 0;
}

.section__title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--white);
    position: relative;
    display: block;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

.section__title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
}

.btn {
    display: inline-block;
    padding: 12px 32px;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 50px;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-align: center;
}

.btn--primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.4);
}

.btn--outline {
    background: transparent;
    border: 1px solid var(--text-muted);
    color: var(--text);
}

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

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

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

/* Header */
.header {
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    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;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--white);
}

.logo__text {
    background: linear-gradient(90deg, var(--white), var(--primary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav__list {
    display: flex;
    gap: 30px;
}

.nav__link {
    font-weight: 500;
    color: var(--text-muted);
}

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

.burger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 1100;
}

.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);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    transform: translateX(100%);
    transition: var(--transition);
}

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

.mobile-menu__close {
    position: absolute;
    top: 25px;
    right: 25px;
    background: none;
    border: none;
    color: var(--white);
    font-size: 3rem;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

.mobile-menu__close:hover {
    color: var(--primary);
    transform: rotate(90deg);
}

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

.mobile-menu__link {
    font-size: 2rem;
    font-weight: 700;
    display: block;
    margin: 20px 0;
    color: var(--white);
}

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

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(10, 15, 30, 0.8), rgba(10, 15, 30, 0.8));
}

.hero__container {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
}

.hero__badge {
    display: inline-block;
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid rgba(0, 212, 255, 0.3);
    margin-bottom: 20px;
}

.hero__title {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
    font-weight: 700;
    color: var(--white);
}

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

/* Features */
.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

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

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

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

.feature-card__title {
    font-size: 1.25rem;
    margin-bottom: 10px;
    color: var(--white);
}

.feature-card__text {
    color: var(--text-muted);
    font-size: 0.95rem;
}

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

.service-card {
    background: var(--bg-light);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-card__image-wrapper {
    height: 200px;
    overflow: hidden;
}

.service-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.service-card:hover .service-card__img {
    transform: scale(1.1);
}

.service-card__content {
    padding: 25px;
    text-align: center;
}

.service-card__title {
    font-size: 1.25rem;
    margin-bottom: 10px;
    color: var(--white);
}

.service-card__text {
    color: var(--text-muted);
}

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

.review-card {
    background: var(--bg-light);
    padding: 30px;
    border-radius: var(--radius);
    position: relative;
}



.review-card__text {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-style: italic;
}

.review-card__author {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 20px;
}

.review-card__profile {
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.review-card__name {
    font-weight: 600;
    color: var(--white);
}

.review-card__stars {
    color: #fbbf24;
    white-space: nowrap;
}

/* Contacts */
.contacts__wrapper {
    display: flex;
    gap: 50px;
    flex-wrap: wrap;
}

.contacts__info {
    flex: 1;
    min-width: 300px;
}

.contacts__subtitle {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--white);
}

.contacts__item {
    font-size: 1.1rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--text-muted);
}

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

.contacts__desc {
    margin-top: 30px;
    color: var(--text-muted);
}

.contacts__form-wrapper {
    flex: 1;
    min-width: 300px;
    background: var(--bg-light);
    padding: 30px;
    border-radius: var(--radius);
}

.form__group {
    margin-bottom: 20px;
}

.form__input {
    width: 100%;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--white);
    font-size: 1rem;
    transition: var(--transition);
}

.form__input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.1);
}

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

.captcha-question {
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--white);
    min-width: 80px;
}

/* Footer */
.footer {
    background: var(--bg-light);
    padding: 60px 0 30px;
    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;
}

.footer__desc {
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

.footer__list li {
    margin-bottom: 10px;
}

.footer__link,
.footer__link-btn {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: var(--transition);
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    text-align: left;
}

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

.footer__copyright {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Cookie Popup */
.cookie-popup {
    position: fixed;
    bottom: 20px;
    right: 20px;
    max-width: 350px;
    background: var(--bg-light);
    padding: 20px;
    border-radius: var(--radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    z-index: 2000;
    border: 1px solid var(--primary);
    visibility: hidden;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
}

.cookie-popup.active {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
}

.cookie-popup__content p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 15px;
}

.cookie-popup__buttons {
    display: flex;
    gap: 10px;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    z-index: 3000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: var(--bg-light);
    padding: 40px;
    border-radius: var(--radius);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    z-index: 3001;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.modal.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.modal__close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

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

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

.modal__content p {
    margin-bottom: 15px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.modal__content ul {
    list-style: disc;
    padding-left: 20px;
    margin-bottom: 15px;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 991px) {
    .hero__title {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }

    .burger {
        display: block;
    }

    .hero__title {
        font-size: 2.2rem;
    }

    .section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .hero__title {
        font-size: 1.8rem;
    }

    .btn {
        width: 100%;
    }
}