:root {
    --color-bg: #0B0C15;
    --color-surface: #161825;
    --color-primary: #00E5FF;
    --color-secondary: #7C4DFF;
    --color-text: #F0F2F5;
    --color-text-muted: #A0A3B1;
    --color-white: #FFFFFF;

    --font-heading: 'Prompt', sans-serif;
    --font-body: 'Rubik', sans-serif;

    --transition: all 0.3s ease;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    --radius: 12px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    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: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 10px;
    background: linear-gradient(90deg, var(--color-white), var(--color-primary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-title--left {
    text-align: left;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.btn--primary {
    background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(124, 77, 255, 0.4);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(124, 77, 255, 0.6);
}

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

.btn--outline:hover {
    border-color: var(--color-white);
    background: rgba(255, 255, 255, 0.05);
}

.btn--sm {
    padding: 8px 20px;
    font-size: 0.8rem;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(11, 12, 21, 0.9);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

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

.nav {
    display: none;
}

/* Burger */
.burger {
    width: 30px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    position: relative;
    z-index: 1002;
    display: block;
}

.burger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-white);
    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;
    top: 9px;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: var(--color-surface);
    z-index: 1001;
    padding-top: 80px;
    transition: var(--transition);
    display: flex;
    justify-content: center;
    align-items: center;
}

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

.mobile-menu__close {
    position: absolute;
    top: 25px;
    right: 25px;
    background: transparent;
    border: none;
    color: var(--color-white);
    font-size: 2.5rem;
    cursor: pointer;
    line-height: 1;
    transition: var(--transition);
}

.mobile-menu__close:hover {
    color: var(--color-primary);
    transform: rotate(90deg);
}

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

.mobile-menu__link {
    display: block;
    font-size: 1.5rem;
    margin: 20px 0;
    font-family: var(--font-heading);
    color: var(--color-white);
}

/* Hero */
.hero {
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background-image: url('images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    text-align: center;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(11, 12, 21, 0.7) 0%, rgba(11, 12, 21, 1) 100%);
}

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

.hero__content {
    max-width: 800px;
    padding-top: 60px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(0, 229, 255, 0.1);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 20px;
    font-weight: 500;
}

.hero__title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--color-white);
}

.hero__subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 30px;
}

/* Features */
.features__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.feature-card {
    background: var(--color-surface);
    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(-10px);
    border-color: var(--color-primary);
}

.feature-card__icon {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-family: var(--font-heading);
    margin-bottom: 15px;
    color: var(--color-white);
}

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

/* Services */
.services__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.service-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    overflow: hidden;
    height: 300px;
    position: relative;
}

.service-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
    opacity: 0.6;
}

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

.service-card__content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    background: linear-gradient(0deg, rgba(11, 12, 21, 1) 0%, rgba(11, 12, 21, 0) 100%);
}

.service-card h3 {
    font-family: var(--font-heading);
    color: var(--color-white);
    margin-bottom: 5px;
}

/* Reviews */
.reviews__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.review-card {
    background: var(--color-surface);
    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: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-secondary);
}

.review-card h4 {
    color: var(--color-white);
    font-family: var(--font-heading);
}

.stars {
    color: #FFD700;
    font-size: 0.9rem;
}

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

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

.contacts__info ul li {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    color: var(--color-text);
}

.contacts__info i {
    color: var(--color-primary);
    font-size: 1.2rem;
    width: 20px;
}

.contact-form {
    background: var(--color-surface);
    padding: 30px;
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

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

.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(--color-white);
    font-family: var(--font-body);
    transition: var(--transition);
}

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

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

.captcha-group label {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-white);
    font-size: 1.2rem;
    white-space: nowrap;
}

/* Footer */
.footer {
    background: #05060A;
    padding: 60px 0 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

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

.footer__links li,
.footer__contact-list li {
    margin-bottom: 10px;
}

.footer__links a,
.footer__link-btn {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    transition: var(--transition);
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    padding: 0;
    font-family: inherit;
}

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

.footer__contact-list li {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.footer__bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--color-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: 2000;
    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);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    background: var(--color-surface);
    padding: 40px;
    border-radius: var(--radius);
    z-index: 2001;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    overflow-y: auto;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow);
}

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

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

.modal__content h3 {
    font-family: var(--font-heading);
    color: var(--color-white);
    margin-bottom: 20px;
}

.modal__content p {
    margin-bottom: 15px;
    font-size: 0.95rem;
}

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

/* Cookie Popup */
.cookie-popup {
    position: fixed;
    bottom: 20px;
    right: 20px;
    left: auto;
    transform: translateX(120%);
    width: 320px;
    background: rgba(22, 24, 37, 0.95);
    backdrop-filter: blur(10px);
    padding: 25px;
    border-radius: var(--radius);
    z-index: 1500;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.6);
    transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.cookie-popup__content p {
    margin-bottom: 20px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

.link-btn {
    background: none;
    border: none;
    color: var(--color-primary);
    text-decoration: underline;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
    padding: 0;
}

.cookie-popup__buttons {
    display: flex;
    gap: 12px;
}

/* Success Modal specific */
.to-center {
    text-align: center;
}

.success-icon {
    font-size: 4rem;
    color: var(--color-primary);
    margin-bottom: 20px;
}

/* Media Queries */
@media (min-width: 768px) {
    .features__grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .reviews__grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

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

@media (min-width: 1024px) {
    .nav {
        display: block;
    }

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

    .nav__link {
        font-family: var(--font-heading);
        font-weight: 600;
        font-size: 0.9rem;
        color: var(--color-white);
    }

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

    .burger {
        display: none;
    }

    .mobile-menu {
        display: none;
    }

    .hero__title {
        font-size: 3.5rem;
    }

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