:root {
    /* Color Palette */
    --color-bg: #0F172A;
    /* Deep Slate - Main Background */
    --color-bg-secondary: #1E293B;
    /* Card/Section Background */
    --color-primary: #38BDF8;
    /* Sky Blue - Actions/Highlights */
    --color-primary-hover: #0EA5E9;
    --color-text: #F1F5F9;
    /* Slate 100 - Main Text */
    --color-text-muted: #94A3B8;
    /* Slate 400 - Secondary Text */
    --color-accent: #818CF8;
    /* Indigo - Accents */

    --color-overlay: rgba(15, 23, 42, 0.85);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Public Sans', sans-serif;

    /* Spacing */
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;

    /* Transitions */
    --transition-fast: 0.3s ease;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
}

/* 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-fast);
}

ul {
    list-style: none;
}

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

/* Utility Classes */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-primary) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-bg {
    background-color: var(--color-bg-secondary);
}

section {
    padding: 4rem 0;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header__container {
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.logo-rect {
    stroke: var(--color-primary);
}

.logo-dot {
    fill: var(--color-accent);
}

/* Navigation */
.nav__list {
    display: flex;
    gap: 2rem;
}

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

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

/* Burger */
.burger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

.burger span {
    width: 25px;
    height: 2px;
    background-color: var(--color-text);
    transition: var(--transition-fast);
}

.burger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.burger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
@media (max-width: 1024px) {
    .nav {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--color-bg);
        transition: 0.4s ease-in-out;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav.active {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        align-items: center;
        gap: 2.5rem;
    }

    .nav__link {
        font-size: 1.5rem;
        font-weight: 500;
    }

    .burger {
        display: flex;
    }
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    background-image: url('images/hero-bg.png');
    background-size: cover;
    background-position: center;
    margin-top: 0;
    padding-top: 70px;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.7) 0%, rgba(15, 23, 42, 1) 100%);
}

.hero__container {
    position: relative;
    z-index: 2;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(56, 189, 248, 0.1);
    border: 1px solid rgba(56, 189, 248, 0.3);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    backdrop-filter: blur(5px);
}

.hero__subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin-bottom: 2.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 8vw, 4rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 700;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

/* Features */
.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--color-bg-secondary);
    padding: 2rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-fast);
}

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

.feature-card__icon {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.feature-card__title {
    font-family: var(--font-heading);
    margin-bottom: 0.75rem;
}

.feature-card__text {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Services */
.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition-fast);
}

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

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

.service-card__content {
    padding: 1.5rem;
}

.service-card__title {
    font-family: var(--font-heading);
    margin-bottom: 0.5rem;
}

.service-card__text {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 32px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition-fast);
}

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

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

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

.btn--text {
    background: none;
    padding: 0;
    color: var(--color-primary);
    font-size: 0.9rem;
}

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

/* Reviews */
.reviews__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.review-card {
    background: var(--color-bg-secondary);
    padding: 2rem;
    border-radius: var(--radius-md);
}

.review-card__header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.review-card__avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.review-card__stars {
    color: #FBBF24;
    /* Amber */
}

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

/* Contacts */
.contacts__wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: start;
}

@media (max-width: 768px) {
    .contacts__wrapper {
        grid-template-columns: 1fr;
    }
}

.contacts__subtitle {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    margin-bottom: 1rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-primary) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.contacts__desc {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    position: relative;
    padding-left: 1rem;
}

.contacts__desc::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 100%;
    background: var(--color-primary);
    box-shadow: 0 0 10px var(--color-primary);
}

.contacts__list li {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 2rem;
    color: var(--color-text-muted);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.contacts__list li:hover {
    color: var(--color-text);
    transform: translateX(5px);
}

.contacts__list i {
    color: var(--color-primary);
    width: 40px;
    height: 40px;
    background: rgba(56, 189, 248, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    font-size: 1.2rem;
    border: 1px solid rgba(56, 189, 248, 0.2);
}

/* Form */
.contacts__form {
    background: var(--color-bg-secondary);
    padding: 2rem;
    border-radius: var(--radius-md);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.form-group input {
    width: 100%;
    padding: 12px;
    background: var(--color-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-family: var(--font-body);
}

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

.form-privacy {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 1rem;
    text-align: center;
}

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

/* Footer */
.footer {
    background-color: #020617;
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer__container {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.5fr 1fr;
    gap: 2rem;
}

@media (max-width: 768px) {
    .footer__container {
        grid-template-columns: 1fr;
    }
}

.logo--footer {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer__title {
    font-family: var(--font-heading);
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.footer__links li {
    margin-bottom: 0.75rem;
}

.footer__links a,
.footer__links button {
    color: var(--color-text-muted);
    background: none;
    border: none;
    font-size: 0.95rem;
    cursor: pointer;
    text-align: left;
    padding: 0;
    transition: var(--color-primary);
}

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

/* Cookie Popup */
.cookie-popup {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    right: 2rem;
    max-width: 400px;
    background: var(--color-bg-secondary);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    z-index: 2000;
    transform: translateY(150%);
    transition: transform 0.5s ease;
}

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

.cookie-popup__actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

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

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal {
    background: var(--color-bg-secondary);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    border-radius: var(--radius-md);
    padding: 2rem;
    position: relative;
    overflow-y: auto;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.modal__close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
}

.modal__content h3 {
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.modal__content p {
    margin-bottom: 1rem;
    color: var(--color-text-muted);
}

.hidden {
    display: none;
}

/* Loader */
.loader {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(15, 23, 42, 0.3);
    border-top: 2px solid var(--color-bg);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 10px;
}

.loader.hidden {
    display: none;
}

@media (max-width: 768px) {
    .hero__container {
        padding-left: 0;
        border-left: none;
        text-align: center;
        align-items: center;
        margin-left: 0;
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}