:root {
    --color-bg: #0a192f;
    --color-text: #8892b0;
    --color-heading: #e6f1ff;
    --color-primary: #64ffda;
    --color-secondary: #112240;
    --color-accent: #bd93f9;
    --color-white: #ffffff;
    --font-main: 'Outfit', sans-serif;
    --transition: all 0.3s ease;
    --container-width: 1200px;
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-text);
    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: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    text-align: center;
}

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

.btn--primary:hover {
    background-color: rgba(100, 255, 218, 0.8);
    transform: translateY(-2px);
}

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

.btn--outline:hover {
    background-color: rgba(100, 255, 218, 0.1);
    transform: translateY(-2px);
}

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

.btn--block {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    gap: 10px;
}

/* Typography */
h1,
h2,
h3,
h4 {
    color: var(--color-heading);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
}

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

/* Header */
.header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

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

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

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

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

.burger {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
}

.burger span {
    width: 25px;
    height: 3px;
    background-color: var(--color-primary);
    transition: var(--transition);
}

/* Mobile Menu */
@media (max-width: 1024px) {
    .burger {
        display: flex;
    }

    .nav__list {
        position: fixed;
        top: var(--header-height);
        right: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--color-secondary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: var(--transition);
    }

    .nav.active .nav__list {
        right: 0;
    }

    .burger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 6px);
    }

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

    .burger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -5px);
    }
}

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

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 25, 47, 0.85);
}

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

.hero__title {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.hero__subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.badge {
    display: inline-block;
    background-color: rgba(100, 255, 218, 0.1);
    color: var(--color-primary);
    padding: 8px 16px;
    border-radius: 50px;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    border: 1px solid var(--color-primary);
}

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

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

.feature-card {
    background-color: var(--color-secondary);
    padding: 30px;
    border-radius: 8px;
    transition: var(--transition);
    border: 1px solid transparent;
}

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

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

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

.service-card {
    background: var(--color-secondary);
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 20px;
    border-radius: 10px;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.service-card:hover {
    border-color: var(--color-accent);
}

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

.review-card {
    background-color: var(--color-secondary);
    padding: 30px;
    border-radius: 10px;
}

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

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

.stars {
    color: #ffd700;
    font-size: 0.8rem;
}

/* Contact */
.contacts__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    background-color: var(--color-secondary);
    padding: 50px;
    border-radius: 10px;
}

@media (max-width: 768px) {
    .contacts__wrapper {
        grid-template-columns: 1fr;
        padding: 30px;
    }
}

.contacts__list {
    margin-top: 30px;
}

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

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

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

.form-group input {
    width: 100%;
    padding: 15px;
    background-color: rgba(10, 25, 47, 0.5);
    border: 1px solid #233554;
    border-radius: 4px;
    color: var(--color-text);
    font-family: inherit;
    transition: var(--transition);
}

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

.spinner {
    display: none;
}

.form-message {
    margin-top: 15px;
    font-size: 0.9rem;
}

.form-message.success {
    color: var(--color-primary);
}

.form-message.error {
    color: #ff6b6b;
}

/* Footer */
.footer {
    background-color: #020c1b;
    padding: 60px 0 20px;
    margin-top: 80px;
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid #233554;
}

@media (max-width: 768px) {
    .footer__grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-heading);
    font-weight: 700;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.footer h4 {
    margin-bottom: 20px;
    color: var(--color-heading);
}

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

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

.footer__bottom {
    text-align: center;
    padding-top: 20px;
    font-size: 0.9rem;
}

/* Modals */
.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    background-color: var(--color-secondary);
    padding: 40px;
    border-radius: 10px;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    overflow-y: auto;
    border: 1px solid var(--color-primary);
    box-shadow: 0 10px 30px -10px rgba(2, 12, 27, 0.7);
}

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

.modal__overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(2, 12, 27, 0.9);
    z-index: 1500;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

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

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

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

.modal__content ul {
    list-style: disc;
    padding-left: 20px;
    margin: 10px 0;
}

/* Cookie Popup */
.cookie-popup {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background-color: var(--color-secondary);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 900;
    border: 1px solid var(--color-primary);
    transform: translateY(150%);
    transition: transform 0.5s ease;
    max-width: 600px;
    margin: 0 auto;
}

.cookie-popup.show {
    transform: translateY(0);
}

.cookie-popup p {
    margin-right: 20px;
    font-size: 0.9rem;
}

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

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

@media (max-width: 480px) {
    .cookie-popup {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .cookie-popup p {
        margin-right: 0;
    }
}