:root {
    --primary-color: #0F172A;
    /* Slate 900 */
    --secondary-color: #38BDF8;
    /* Sky 400 */
    --accent-color: #A855F7;
    /* Purple 500 */
    --text-color: #F8FAFC;
    /* Slate 50 */
    --text-muted: #94A3B8;
    /* Slate 400 */
    --bg-dark: #020617;
    /* Slate 950 */
    --card-bg: #1E293B;
    /* Slate 800 */
    --font-main: 'Outfit', sans-serif;
    --transition: all 0.3s ease;
    --radius: 12px;
}

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

html {
    scroll-behavior: smooth;
}

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

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

ul {
    list-style: none;
}

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

/* Typography & Utilities */
h1,
h2,
h3,
h4 {
    font-weight: 700;
    line-height: 1.2;
}

.text-gradient {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    font-size: 1rem;
    transition: var(--transition);
    text-align: center;
}

.btn--primary {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: white;
    box-shadow: 0 4px 15px rgba(56, 189, 248, 0.3);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(56, 189, 248, 0.5);
}

.btn--outline {
    border: 2px solid var(--secondary-color);
    color: var(--secondary-color);
    background: transparent;
}

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

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

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

.mobile-hidden {
    display: block;
}

@media (max-width: 1024px) {
    .mobile-hidden {
        display: none;
    }
}

.section {
    padding: 80px 0;
}

.section__title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
    position: relative;
    display: block;
    width: 100%;
}

.section__title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--accent-color);
    margin: 10px auto 0;
    border-radius: 2px;
}

/* 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, 0.1);
}

.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;
}

.nav {
    display: flex;
    align-items: center;
    gap: 30px;
}

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

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

.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

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

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

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

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

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--primary-color);
    z-index: 999;
    padding-top: 80px;
    transform: translateX(100%);
    transition: var(--transition);
}

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

.mobile-menu__list {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

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

.mobile-menu__list li {
    width: 100%;
    text-align: center;
}

.mobile-menu__list li a {
    display: block;
    padding: 10px;
}

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

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(2, 6, 23, 0.7) 0%, rgba(2, 6, 23, 1) 100%);
}

.hero__container {
    position: relative;
    z-index: 2;
    text-align: center;
}

.badge {
    background: rgba(56, 189, 248, 0.1);
    color: var(--secondary-color);
    padding: 8px 16px;
    border-radius: 20px;
    display: inline-block;
    margin-bottom: 20px;
    border: 1px solid rgba(56, 189, 248, 0.3);
    font-size: 0.9rem;
}

.hero__title {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero__subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 30px;
}

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

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

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

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

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

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

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

.service-item {
    background: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
}

.service-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
}

.service-item:hover img {
    transform: scale(1.05);
}

.service-item__content {
    padding: 20px;
}

.service-item h3 {
    margin-bottom: 10px;
}

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

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

.review-card {
    background: var(--card-bg);
    padding: 25px;
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

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

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

.stars {
    color: #FBBF24;
}

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

/* Contacts */
.contacts__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: var(--card-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--secondary-color);
    font-size: 1.2rem;
}

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

.form-group input {
    width: 100%;
    padding: 15px;
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    color: var(--text-color);
    outline: none;
    transition: var(--transition);
}

.form-group input:focus {
    border-color: var(--secondary-color);
}

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

.captcha-group span {
    font-size: 1.2rem;
    font-weight: 700;
    min-width: 80px;
}

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

.footer__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.footer__col h4 {
    margin-bottom: 20px;
    color: var(--text-color);
}

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

.footer__col ul li a,
.link-btn {
    color: var(--text-muted);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    padding: 0;
    text-align: left;
}

.footer__col ul li a:hover,
.link-btn:hover {
    color: var(--secondary-color);
}

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

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.modal__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal__content {
    background: var(--card-bg);
    padding: 40px;
    border-radius: var(--radius);
    width: 90%;
    max-width: 500px;
    position: relative;
    z-index: 2;
    transform: translateY(20px);
    transition: var(--transition);
    max-height: 90vh;
    overflow-y: auto;
}

.modal.active .modal__content {
    transform: translateY(0);
}

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

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

/* Cookie Popup */
.cookie-popup {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background: var(--card-bg);
    padding: 20px;
    border-radius: var(--radius);
    border: 1px solid var(--secondary-color);
    z-index: 1500;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    max-width: 600px;
    margin: 0 auto;
    transform: translateY(150%);
    transition: transform 0.5s ease;
}

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

.cookie-popup p {
    font-size: 0.9rem;
}

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

/* Responsiveness */
@media (max-width: 1024px) {
    .nav {
        display: none;
    }

    .burger {
        display: flex;
    }

    .hero__title {
        font-size: 2.5rem;
    }

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

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

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

    .cookie-popup {
        flex-direction: column;
        text-align: center;
    }
}