:root {
    --bg-color: #0A0E17;
    --card-bg: #151E2E;
    --primary: #00F0FF;
    --secondary: #7000FF;
    --text-main: #E0E6ED;
    --text-muted: #94A3B8;
    --white: #FFFFFF;
    --font-main: 'Chakra Petch', sans-serif;
    --transition: all 0.3s ease;
    --container-width: 1200px;
}

html {
    scroll-behavior: smooth;
}

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

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

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

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

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
    background: linear-gradient(90deg, var(--white), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(10, 14, 23, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 15px 0;
}

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

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

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

.nav__link {
    font-weight: 500;
    position: relative;
    padding: 5px 0;
}

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

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

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

.nav__close,
.burger {
    display: none;
}

/* Hero */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    background-image: url('images/hero.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(10, 14, 23, 0.9) 0%, rgba(10, 14, 23, 0.7) 50%, rgba(10, 14, 23, 1) 100%);
}

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

.hero__badge {
    display: inline-block;
    padding: 8px 16px;
    background-color: rgba(0, 240, 255, 0.1);
    border: 1px solid var(--primary);
    color: var(--primary);
    border-radius: 50px;
    font-size: 0.9rem;
    margin-bottom: 20px;
    font-weight: 600;
}

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

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

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

/* Buttons */
.btn {
    padding: 12px 30px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn--primary {
    background-color: var(--primary);
    color: #000;
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

.btn--primary:hover {
    background-color: #00c3d0;
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.5);
    transform: translateY(-2px);
}

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

.btn--outline:hover {
    background-color: var(--white);
    color: #000;
    transform: translateY(-2px);
}

.btn--small {
    padding: 8px 20px;
    font-size: 0.9rem;
}

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

/* Features */
.features__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

@media (max-width: 1024px) {
    .features__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .features__grid {
        grid-template-columns: 1fr;
    }
}

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

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

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

.feature-card h3 {
    margin-bottom: 10px;
    font-size: 1.3rem;
}

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

/* Services */
.services__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

@media (max-width: 1024px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .services__grid {
        grid-template-columns: 1fr;
    }
}

.service-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    height: 350px;
}

.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 {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px;
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0) 100%);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--white);
}

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

.review-card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    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);
}

.review-card__role {
    font-size: 0.9rem;
    color: var(--primary);
}

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

/* Contacts */
.contacts__container {
    display: flex;
    justify-content: space-between;
    gap: 50px;
    align-items: flex-start;
}

.contacts__info {
    flex: 1;
}

.contacts__form-wrapper {
    flex: 1;
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.section-title--left {
    text-align: left;
    margin-bottom: 20px;
}

.contacts__list {
    margin-top: 20px;
}

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

.contacts__list i {
    color: var(--primary);
    width: 20px;
}

.form__group {
    margin-bottom: 20px;
}

.form__input {
    width: 100%;
    padding: 15px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    color: var(--white);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form__input:focus {
    border-color: var(--primary);
    background-color: rgba(255, 255, 255, 0.08);
}

.form__loader,
.form__success {
    display: none;
    text-align: center;
    margin-top: 15px;
    font-weight: 600;
}

.form__success {
    color: #00ff88;
}

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

.form__input--captcha {
    width: 80px;
}

/* Footer */
.footer {
    background-color: #05070B;
    padding-top: 80px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 60px;
}

.logo--footer {
    margin-bottom: 20px;
}

.footer__desc {
    color: var(--text-muted);
    max-width: 300px;
}

.footer h3 {
    font-size: 1.2rem;
    margin-bottom: 25px;
    color: var(--white);
}

.footer__nav li,
.footer__contacts li {
    margin-bottom: 15px;
}

.footer__nav a {
    color: var(--text-muted);
}

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

.footer__contacts li {
    color: var(--text-muted);
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 20px 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.9rem;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 2000;
    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);
    width: 90%;
    max-width: 600px;
    background-color: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 40px;
    border-radius: 12px;
    z-index: 2100;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    max-height: 90vh;
    overflow-y: auto;
}

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

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

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

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

.modal__content p,
.modal__content ul {
    color: var(--text-muted);
    margin-bottom: 15px;
}

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

/* Cookie Popup */
.cookie-popup {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 320px;
    background-color: var(--card-bg);
    border: 1px solid var(--primary);
    padding: 20px;
    z-index: 10000;
    transition: all 0.5s ease;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    border-radius: 12px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

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

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

.cookie-popup__content p {
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.4;
}

.cookie-popup a {
    color: var(--primary);
    text-decoration: underline;
}

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

/* Responsive */
@media (max-width: 1024px) {
    .header__container {
        padding: 0 20px;
    }

    .burger {
        display: block;
        width: 30px;
        height: 20px;
        position: relative;
        z-index: 2000;
        background: none;
    }

    .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;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background-color: var(--card-bg);
        padding: 80px 40px;
        transition: right 0.4s ease;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    }

    .nav.active {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        gap: 20px;
        font-size: 1.2rem;
    }

    .contacts__container {
        flex-direction: column;
    }

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

    .hero__title {
        font-size: 2.5rem;
    }
}

@media (max-width: 600px) {
    .header {
        padding: 10px 0;
    }

    .section {
        padding: 50px 0;
    }

    .hero__title {
        font-size: 2rem;
    }

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

    .cookie-popup__content {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
}