:root {
    /* Color Palette */
    --primary-bg: #0f172a;
    --secondary-bg: #1e293b;
    --accent-cyan: #06b6d4;
    --accent-purple: #8b5cf6;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --success: #10b981;
    --error: #ef4444;
    --overlay-color: rgba(15, 23, 42, 0.9);

    /* Gradients */
    --gradient-main: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    --gradient-overlay: linear-gradient(to bottom, rgba(15, 23, 42, 0.7), rgba(15, 23, 42, 1));
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);

    /* Typography */
    --font-main: 'Outfit', sans-serif;

    /* Spacing & Layout */
    --container-width: 1200px;
    --header-height: 70px;
    --border-radius: 12px;
    --transition-speed: 0.3s;
}

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

html {
    scroll-behavior: smooth;
}

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

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

ul {
    list-style: none;
}

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

input,
button,
textarea {
    font-family: inherit;
}

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 15px;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 50px;
    font-size: 1.1rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all var(--transition-speed);
    text-align: center;
    gap: 10px;
}

.btn-primary {
    background: var(--gradient-main);
    color: white;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

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

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

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
}

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

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

.nav {
    display: none;
}

.burger {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.burger span {
    width: 100%;
    height: 2px;
    background-color: white;
    transition: var(--transition-speed);
}

.burger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

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

.burger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

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

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

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

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

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

/* Hero */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    background-image: url('images/hero_background.jpg');
    background-size: cover;
    background-position: center;
    margin-top: var(--header-height);
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-overlay);
}

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

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

.badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 20px;
    border: 1px solid var(--accent-cyan);
    color: var(--accent-cyan);
}

.hero__title {
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
    font-weight: 700;
}

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

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

.feature-card {
    background: var(--secondary-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    border: 1px solid var(--glass-border);
    transition: var(--transition-speed);
}

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

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 1.2rem;
}

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

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

.service-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    height: 300px;
}

.service-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.service-item:hover img {
    transform: scale(1.1);
}

.service-content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
}

.service-content h3 {
    margin-bottom: 5px;
}

.service-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

.review-card {
    background: var(--secondary-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    border: 1px solid var(--glass-border);
}

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

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

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

.stars {
    color: #fbbf24;
}

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

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

.contacts__info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contacts__info h3 {
    margin-bottom: 25px;
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
    color: var(--text-primary);
    font-size: 1.1rem;
    transition: var(--transition-speed);
}

.contact-item:hover {
    transform: translateX(10px);
    color: var(--accent-cyan);
}

.contact-item i {
    width: 45px;
    height: 45px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
    font-size: 1.2rem;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.contacts__info .form-note-text {
    margin-top: 15px;
    padding: 20px;
    background: rgba(6, 182, 212, 0.05);
    border-left: 3px solid var(--accent-cyan);
    border-radius: 0 8px 8px 0;
    color: var(--text-secondary);
    font-style: italic;
}

.contact-form {
    background: var(--secondary-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    border: 1px solid var(--glass-border);
}

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

.form-input {
    width: 100%;
    padding: 12px 15px;
    background: var(--primary-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: white;
    transition: var(--transition-speed);
}

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

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

.captcha-input {
    width: 80px;
}

.submit-btn {
    width: 100%;
    position: relative;
}

.spinner {
    display: none;
}

.submit-btn.loading .btn-text {
    opacity: 0;
}

.submit-btn.loading .spinner {
    display: block;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.form-note {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-align: center;
    margin-top: 15px;
}

/* Footer */
.footer {
    background: #0b1120;
    padding: 60px 0 20px;
    border-top: 1px solid var(--glass-border);
}

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

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    display: block;
    margin-bottom: 15px;
}

.footer__col h4 {
    margin-bottom: 20px;
    color: white;
}

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

.footer__col ul li a {
    color: var(--text-secondary);
}

.footer__col ul li a:hover {
    color: var(--accent-cyan);
}

.footer__col p {
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.footer__bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

.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 {
    position: relative;
    background: var(--secondary-bg);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    border-radius: var(--border-radius);
    padding: 30px;
    z-index: 2;
    transform: translateY(20px);
    transition: transform var(--transition-speed);
    display: flex;
    flex-direction: column;
}

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

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

.modal__close:hover {
    color: white;
}

.modal__body {
    overflow-y: auto;
    margin-top: 15px;
    padding-right: 10px;
    color: var(--text-secondary);
}

/* Scrollbar for modal */
.modal__body::-webkit-scrollbar {
    width: 6px;
}

.modal__body::-webkit-scrollbar-track {
    background: var(--primary-bg);
}

.modal__body::-webkit-scrollbar-thumb {
    background: var(--accent-purple);
    border-radius: 3px;
}

/* Cookie Popup - Subtle Design */
.cookie-popup {
    position: fixed;
    bottom: -150px;
    right: 20px;
    width: calc(100% - 40px);
    max-width: 380px;
    background: rgba(30, 41, 59, 0.85);
    backdrop-filter: blur(15px);
    padding: 16px 20px;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1500;
    transition: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    display: flex;
    flex-direction: column;
    gap: 12px;
    visibility: hidden;
    opacity: 0;
}

.cookie-popup.active {
    bottom: 20px;
    visibility: visible;
    opacity: 1;
}

.cookie-popup p {
    font-size: 0.85rem;
    line-height: 1.4;
    color: var(--text-secondary);
}

.cookie-popup a {
    color: var(--accent-cyan);
    text-decoration: none;
    font-weight: 500;
}

.cookie-popup a:hover {
    text-decoration: underline;
}

.cookie-btns {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

/* Responsive - Desktop */
@media (min-width: 768px) {
    .section-title {
        font-size: 2.5rem;
    }

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

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

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


}

@media (min-width: 1024px) {
    .burger {
        display: none;
    }

    .nav {
        display: block;
    }

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

    .nav__link {
        color: var(--text-secondary);
        font-weight: 500;
        position: relative;
    }

    .nav__link:hover {
        color: white;
    }

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

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

    .mobile-menu {
        display: none;
    }

    .hero__title {
        font-size: 3.5rem;
    }

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

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

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

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