:root {
    --bg-color: #0B0C10;
    --card-bg: #1F2833;
    --primary: #4361EE;
    --accent: #4CC9F0;
    --text-main: #C5C6C7;
    --text-light: #ffffff;
    --danger: #ef476f;
    --success: #06d6a0;

    --font-main: 'Manrope', sans-serif;

    --container-width: 1200px;
    --header-height: 80px;
    --radius: 12px;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.5);

    --transition: all 0.3s ease;
}

/* 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(--bg-color);
    color: var(--text-main);
    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 {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 100px 0;
}

.section--dark {
    background-color: #12141a;
}

.section-title {
    font-size: 2.5rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    text-align: center;
    font-weight: 700;
}

/* Header */
.header {
    height: var(--header-height);
    background: rgba(11, 12, 16, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header__container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.logo__icon {
    color: var(--primary);
}

.nav__list {
    display: flex;
    gap: 40px;
}

.nav__link {
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
}

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

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

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

/* Burger */
.burger {
    display: none;
    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(--text-light);
    position: absolute;
    transition: var(--transition);
}

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

.burger span:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
}

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

.burger.active span:nth-child(1) {
    top: 50%;
    transform: rotate(45deg);
}

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

.burger.active span:nth-child(3) {
    bottom: auto;
    top: 50%;
    transform: rotate(-45deg);
}

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

.mobile-menu.active {
    right: 0;
}

.mobile-menu__list {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.mobile-menu__link {
    font-size: 1.5rem;
    color: var(--text-light);
    font-weight: 600;
}

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

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(11, 12, 16, 0.95) 0%, rgba(11, 12, 16, 0.7) 100%);
}

.hero__container {
    position: relative;
    z-index: 1;
}

.hero__content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(67, 97, 238, 0.2);
    border: 1px solid var(--primary);
    border-radius: 50px;
    color: var(--accent);
    font-size: 0.9rem;
    margin-bottom: 25px;
    font-weight: 600;
}

.hero__title {
    font-size: 3.5rem;
    line-height: 1.2;
    color: var(--text-light);
    margin-bottom: 20px;
    font-weight: 800;
}

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

.hero__subtitle {
    font-size: 1.25rem;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 15px 35px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn--primary {
    background: linear-gradient(90deg, var(--primary), #3a0ca3);
    color: var(--text-light);
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.4);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(67, 97, 238, 0.6);
}

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

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

.btn--small {
    padding: 8px 16px;
    font-size: 0.85rem;
}

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

/* Features */
.features__grid {
    display: grid;
    grid-template-columns: repeat(4, 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(--primary);
}

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

.feature-card__title {
    color: var(--text-light);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

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

/* Services */
.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 250px);
    gap: 20px;
}

.service-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.service-card--large {
    grid-row: span 2;
}

.service-card--wide {
    grid-column: span 2;
}

.service-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    opacity: 0.6;
}

.service-card:hover .service-card__img {
    transform: scale(1.1);
    opacity: 0.4;
}

.service-card__content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 25px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
}

.service-card__content h3 {
    color: var(--text-light);
    margin-bottom: 8px;
    font-size: 1.3rem;
}

/* Reviews */
.reviews__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.review-card {
    background: var(--card-bg);
    padding: 30px;
    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: 20px;
}

.review-card__avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
    border: 2px solid var(--primary);
}

.review-card__info h4 {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 2px;
}

.review-card__info span {
    font-size: 0.85rem;
    color: var(--accent);
}

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

/* Contact */
.contact__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.contact__title {
    font-size: 2.5rem;
    color: var(--text-light);
    margin-bottom: 15px;
    font-weight: 700;
}

.contact__desc {
    margin-bottom: 40px;
}

.contact__item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.contact__item i {
    font-size: 1.5rem;
    color: var(--primary);
    margin-top: 5px;
}

.contact__item h4 {
    color: var(--text-light);
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.contact__form {
    background: var(--bg-color);
    padding: 40px;
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-light);
}

.form-group input {
    width: 100%;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--text-light);
    font-size: 1rem;
    transition: var(--transition);
}

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

.captcha-group {
    margin-top: 20px;
    background: rgba(255, 255, 255, 0.03);
    padding: 15px;
    border-radius: 8px;
}

/* Footer */
.footer {
    background: #050608;
    padding: 60px 0 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer__container {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.logo--footer {
    margin-bottom: 20px;
    font-size: 1.4rem;
}

.footer__desc {
    max-width: 300px;
    font-size: 0.9rem;
    opacity: 0.7;
}

.footer__col h4 {
    color: var(--text-light);
    margin-bottom: 25px;
    font-size: 1.1rem;
}

.footer__list li {
    margin-bottom: 12px;
}

.footer__list a,
.footer__list li {
    font-size: 0.95rem;
    opacity: 0.8;
}

.footer__list a:hover {
    color: var(--primary);
    opacity: 1;
}

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

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

.footer__bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.9rem;
    opacity: 0.5;
}

/* Modal styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 2000;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    display: block;
    opacity: 1;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: var(--card-bg);
    width: 90%;
    max-width: 600px;
    max-height: 85vh;
    padding: 40px;
    border-radius: var(--radius);
    z-index: 2001;
    display: none;
    opacity: 0;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow);
}

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

.modal__close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

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

.modal__content {
    overflow-y: auto;
    max-height: 70vh;
    padding-right: 10px;
}

.modal__content h3 {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 1.5rem;
}

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

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

.modal__content li {
    margin-bottom: 8px;
}

/* Cookie Popup */
.cookie-popup {
    position: fixed;
    bottom: 30px;
    left: 30px;
    background: var(--card-bg);
    padding: 25px;
    border-radius: var(--radius);
    max-width: 400px;
    z-index: 1500;
    box-shadow: var(--shadow);
    border: 1px solid var(--primary);
    transform: translateY(150%);
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

.cookie-popup__content p {
    margin-bottom: 15px;
    font-size: 0.9rem;
}

.cookie-link {
    background: none;
    border: none;
    color: var(--primary);
    text-decoration: underline;
    cursor: pointer;
    font-size: inherit;
}

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

/* Responsive */
@media (max-width: 1024px) {
    :root {
        --container-width: 100%;
    }

    .nav {
        display: none;
    }

    .burger {
        display: block;
    }

    .features__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .reviews__grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .footer__container {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

    .hero__title {
        font-size: 2.5rem;
    }

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

    .services__grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }

    .service-card--large,
    .service-card--wide {
        grid-row: auto;
        grid-column: auto;
    }

    .service-card {
        height: 250px;
    }

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

    .footer__container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer__link-btn {
        width: 100%;
        text-align: center;
    }
}