:root {
    --primary: #0A192F;
    --secondary: #112240;
    --tertiary: #233554;
    --accent: #64FFDA;
    --accent-hover: #00BFA5;
    --text-main: #E6F1FF;
    --text-muted: #8892B0;
    --white: #FFFFFF;
    --danger: #FF6B6B;
    --success: #64FFDA;
    --font-main: 'Outfit', sans-serif;
    --transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--primary);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    font-size: 16px;
}

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

ul {
    list-style: none;
}

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

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--white);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.text-gradient {
    background: linear-gradient(90deg, var(--accent) 0%, #00BFA5 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 10px;
    position: relative;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition);
}

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

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

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

.btn--fill:hover {
    background: var(--accent-hover);
}

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

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

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

.btn--small {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.btn__spinner {
    display: none;
    margin-left: 10px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    background: rgba(10, 25, 47, 0.85);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--white);
}

.logo__text {
    letter-spacing: 0.5px;
}

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

.nav__link {
    color: var(--text-main);
    font-size: 0.95rem;
    position: relative;
}

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

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

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

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

.burger__line {
    width: 30px;
    height: 2px;
    background-color: var(--accent);
    transition: var(--transition);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    z-index: 1001;
    pointer-events: none;
}

.mobile-menu__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 25, 47, 0.7);
    backdrop-filter: blur(5px);
    opacity: 0;
    transition: var(--transition);
}

.mobile-menu.active .mobile-menu__overlay {
    opacity: 1;
    pointer-events: all;
}

.mobile-menu__content {
    position: absolute;
    top: 0;
    right: 0;
    width: 75%;
    max-width: 300px;
    height: 100%;
    background: var(--secondary);
    padding: 80px 40px;
    transform: translateX(100%);
    transition: var(--transition);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    pointer-events: all;
}

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

.mobile-menu__close {
    position: absolute;
    top: 25px;
    right: 25px;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--accent);
    cursor: pointer;
}

.mobile-menu__list {
    display: flex;
    flex-direction: column;
    gap: 25px;
    text-align: center;
}

.mobile-menu__link {
    font-size: 1.2rem;
    color: var(--text-main);
}

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

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    background-color: var(--primary);
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.15;
    z-index: 1;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 0%, var(--primary) 100%);
    z-index: 2;
}

.hero__container {
    position: relative;
    z-index: 3;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero__badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(100, 255, 218, 0.1);
    color: var(--accent);
    border-radius: 20px;
    font-size: 0.875rem;
    margin-bottom: 25px;
    border: 1px solid rgba(100, 255, 218, 0.2);
}

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

.hero__subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Section Common */
.section {
    padding: 80px 0;
}

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

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

.feature-card:hover {
    transform: translateY(-5px);
    background: var(--tertiary);
}

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

.feature-card__title {
    font-size: 1.25rem;
    margin-bottom: 15px;
}

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

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

.service-card {
    background: var(--secondary);
    padding: 30px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-5px);
}

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

.service-card h3 {
    margin-bottom: 10px;
    position: relative;
    z-index: 2;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    position: relative;
    z-index: 2;
}

.service-card__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0.2;
    transition: var(--transition);
}

.service-card--large:hover .service-card__bg {
    opacity: 0.3;
    transform: scale(1.05);
}

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

.review-card {
    background: var(--tertiary);
    padding: 30px;
    border-radius: 8px;
    border-left: 3px solid var(--accent);
}

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

.review-card__avatar {
    width: 50px;
    height: 50px;
    background: var(--secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.2rem;
    overflow: hidden;
    border: 2px solid var(--accent);
}

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

.review-card__info h4 {
    margin-bottom: 2px;
    font-size: 1rem;
}

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

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

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

.contact__desc {
    color: var(--text-muted);
    margin-bottom: 30px;
}

.contact__list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact__list li {
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--text-main);
}

.contact__list li i {
    color: var(--accent);
    font-size: 1.2rem;
    width: 20px;
}

.contact__form {
    background: var(--secondary);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

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

.form-input {
    width: 100%;
    padding: 12px 15px;
    background: var(--primary);
    border: 1px solid var(--tertiary);
    border-radius: 4px;
    color: var(--white);
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

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

.form-label {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.95rem;
    pointer-events: none;
    transition: var(--transition);
    background: var(--primary);
    padding: 0 5px;
}

.form-input:focus~.form-label,
.form-input:not(:placeholder-shown)~.form-label {
    top: 0;
    font-size: 0.8rem;
    color: var(--accent);
}

.form-input::placeholder {
    color: transparent;
}

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

.captcha-question {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--white);
}

.captcha-input {
    width: 80px;
    text-align: center;
}

/* Footer */
.footer {
    background: var(--secondary);
    padding: 60px 0 20px;
    font-size: 0.9rem;
}

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

.footer__desc {
    margin-top: 15px;
    color: var(--text-muted);
    max-width: 300px;
}

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

.footer__links,
.footer__contact {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer__links a,
.footer__contact li {
    color: var(--text-muted);
}

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

.footer__bottom {
    padding-top: 20px;
    border-top: 1px solid var(--tertiary);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Modals */
.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: 1002;
    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);
    background: var(--secondary);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    padding: 40px;
    border-radius: 8px;
    z-index: 1003;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    overflow-y: auto;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--tertiary);
}

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

.modal__close {
    position: absolute;
    top: 15px;
    right: 20px;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

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

.modal__content {
    color: var(--text-main);
}

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

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

.modal__content ul {
    list-style: disc;
    padding-left: 20px;
    margin-bottom: 15px;
    color: var(--text-muted);
}

.modal__content li {
    margin-bottom: 5px;
}

.success-icon {
    font-size: 3rem;
    color: var(--success);
    margin-bottom: 20px;
}

/* Cookie Popup */
.cookie-popup {
    position: fixed;
    bottom: 30px;
    left: 30px;
    max-width: 350px;
    background: var(--secondary);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    z-index: 999;
    border: 1px solid var(--accent);
    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 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 15px;
}

.cookie-popup__content a {
    color: var(--accent);
    text-decoration: underline;
}

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

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

    .burger {
        display: flex;
    }
}

@media (max-width: 768px) {
    .hero__title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .service-card--large {
        grid-column: auto;
        grid-row: auto;
        min-height: 250px;
    }

    .contact__container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

@media (max-width: 480px) {
    .hero__title {
        font-size: 2rem;
    }

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

    .cookie-popup {
        left: 20px;
        right: 20px;
        max-width: none;
        bottom: 20px;
    }
}