:root {
    --color-bg: #0a192f;
    --color-text: #e6f1ff;
    --color-primary: #004d40;
    --color-secondary: #64ffda;
    --color-accent: #f4d03f;
    --color-glass: rgba(255, 255, 255, 0.05);
    --color-border: rgba(100, 255, 218, 0.1);

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

    --transition: all 0.3s ease;
    --container-width: 1200px;
    --header-height: 70px;
}

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

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: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 15px;
}

.section {
    padding: 80px 0;
}

.section__title {
    font-size: 2.5rem;
    margin-bottom: 40px;
    text-align: center;
    color: var(--color-secondary);
}

.section__title--left {
    text-align: left;
}

.section__title--small-mb {
    margin-bottom: 20px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    text-align: center;
}

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

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

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

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

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

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

/* Header */
.header {
    height: var(--header-height);
    background-color: rgba(10, 25, 47, 0.9);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
}

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

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

.nav__list {
    display: none;
}

.burger {
    display: block;
    width: 30px;
    height: 20px;
    position: relative;
    background: none;
    border: none;
    cursor: pointer;
}

.burger span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-secondary);
    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: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--color-bg);
    transform: translateX(100%);
    transition: var(--transition);
    z-index: 999;
    padding: 40px;
}

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

.mobile-menu__list li {
    margin-bottom: 20px;
}

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

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

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 25, 47, 0.95) 0%, rgba(0, 77, 64, 0.8) 100%);
    z-index: 1;
}

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

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

.badge {
    display: inline-block;
    background-color: var(--color-accent);
    color: #000;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.hero__title {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--color-text);
}

.hero__subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

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

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

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

.feature-card__icon {
    font-size: 2rem;
    color: var(--color-secondary);
    margin-bottom: 20px;
}

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

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

.service-card {
    background-color: #112240;
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
}

.service-card:hover {
    transform: scale(1.02);
}

.service-card__img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.service-card__content {
    padding: 25px;
}

.service-card__title {
    margin-bottom: 10px;
    color: var(--color-secondary);
}

.service-card__content p {
    margin-bottom: 20px;
    color: #8892b0;
}

.service-card__link {
    color: var(--color-secondary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.service-card__link:hover {
    gap: 12px;
    color: var(--color-accent);
}

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

.review-card {
    background-color: #112240;
    padding: 30px;
    border-radius: 8px;
    position: relative;
}

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

.review-card__avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 2px solid var(--color-secondary);
}

.review-card__avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.review-card__name {
    color: var(--color-text);
}

.review-card__role {
    font-size: 0.85rem;
    color: var(--color-secondary);
}

.review-card__text {
    font-style: italic;
    color: #8892b0;
}

/* Contacts */
.contacts__container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

.contacts__subtitle {
    margin-bottom: 25px;
    color: #8892b0;
}

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

.contact-item i {
    color: var(--color-secondary);
}

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

.form-group input {
    width: 100%;
    padding: 12px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    color: var(--color-text);
    font-family: inherit;
}

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

.error-message {
    color: #ff6b6b;
    font-size: 0.8rem;
    margin-top: 5px;
    display: block;
}

/* Footer */
.footer {
    background-color: #020c1b;
    padding: 50px 0 20px;
    font-size: 0.9rem;
}

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

.logo--small {
    font-size: 1rem;
    margin-bottom: 15px;
}

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

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

.footer__list a,
.footer__list button {
    color: #8892b0;
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
    text-align: left;
    padding: 0;
}

.footer__list a:hover,
.footer__list button:hover {
    color: var(--color-secondary);
}

/* Cookie Popup */
.cookie-popup {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 500px;
    background-color: rgba(17, 34, 64, 0.95);
    border: 1px solid var(--color-secondary);
    border-radius: 8px;
    padding: 20px;
    z-index: 2000;
    display: none;
    box-shadow: 0 10px 30px -10px rgba(2, 12, 27, 0.7);
}

.cookie-popup.show {
    display: block;
    animation: slideUp 0.5s ease;
}

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

.cookie-buttons {
    margin-top: 15px;
    display: flex;
    gap: 10px;
}

@keyframes slideUp {
    from {
        transform: translate(-50%, 100%);
        opacity: 0;
    }

    to {
        transform: translate(-50%, 0);
        opacity: 1;
    }
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 2999;
    display: none;
    backdrop-filter: blur(5px);
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    background-color: #112240;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    z-index: 3000;
    display: none;
    padding: 30px;
    overflow-y: auto;
}

.modal.active,
.modal-overlay.active {
    display: block;
}

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

.modal-content h3 {
    color: var(--color-secondary);
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.modal-content p,
.modal-content ul {
    margin-bottom: 15px;
    color: #8892b0;
}

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

/* Desktop Media Query */
@media (min-width: 768px) {
    .header__container {
        padding: 0 30px;
    }

    .logo {
        font-size: 1.5rem;
    }

    .burger {
        display: none;
    }

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

    .nav__link {
        color: var(--color-text);
        font-weight: 600;
        font-size: 1rem;
    }

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

    .section__title {
        font-size: 3.5rem;
    }

    .hero__title {
        font-size: 4rem;
    }

    .contacts__container {
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }

    .footer__container {
        grid-template-columns: repeat(4, 1fr);
    }
}