:root {
    /* New Palette: Modern French Tech (Deep Navy, Teal, White) */
    --primary: #0F172A;
    /* Deep Navy */
    --accent: #0EA5E9;
    /* Vivid Sky Blue */
    --accent-hover: #0284C7;
    --bg-light: #F8FAFC;
    --text: #334155;
    --text-light: #64748B;
    --white: #ffffff;
    --danger: #EF4444;
    --success: #10B981;

    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Mulish', sans-serif;

    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius: 12px;
}

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

html {
    scroll-behavior: smooth;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s;
}

ul {
    list-style: none;
}

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

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

/* Typography */
h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    color: var(--primary);
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section {
    padding: 80px 0;
}

.section__title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-weight: 700;
    cursor: pointer;
    border: none;
    font-family: var(--font-body);
}

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

.btn--primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
}

.btn--outline {
    border: 2px solid var(--text-light);
    color: var(--text);
    background: transparent;
    transition: 0.3s;
}

.btn--outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

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

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--primary);
    transition: 0.3s;
}

.logo:hover {
    color: var(--accent);
    transform: scale(1.05);
}

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

.nav__link {
    font-weight: 500;
}

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

.nav__link--cta {
    color: var(--accent);
    font-weight: 700;
    transition: 0.3s;
}

.nav__link--cta:hover {
    color: var(--accent-hover);
    transform: translateY(-2px);
}

/* Burger */
.burger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
    transition: 0.3s;
}

.burger:hover {
    opacity: 0.7;
}

.burger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--primary);
    position: absolute;
    transition: 0.3s;
}

.burger span:nth-child(1) {
    top: 0;
}

.burger span:nth-child(2) {
    top: 9px;
}

.burger span:nth-child(3) {
    bottom: 0;
}

/* Mobile Menu State */
.nav.active {
    transform: translateX(0);
}

.burger.toggle span:nth-child(1) {
    transform: rotate(45deg);
    top: 9px;
}

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

.burger.toggle span:nth-child(3) {
    transform: rotate(-45deg);
    bottom: 9px;
}

/* Hero */
.hero {
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    /* Добавлено для горизонтального центрирования */
    justify-content: center;
    /* Використовуємо пряме посилання на зображення з Pexels */
    background: url('img/hero-bg.jpg') center/cover no-repeat;
    position: relative;
    color: var(--white);
    padding-top: 70px;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.6));
}

.hero__content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    /* Добавлено для центрирования текста внутри блока */
    text-align: center;
}

.badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 20px;
    backdrop-filter: blur(5px);
    transition: 0.3s;
}

.badge:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.hero__title {
    font-size: 3.5rem;
    color: var(--white);
    margin-bottom: 20px;
}

.hero__subtitle {
    font-size: 1.2rem;
    color: #cbd5e1;
    margin-bottom: 30px;
    max-width: 600px;
    /* Добавлено, чтобы подзаголовок тоже был по центру относительно своего контейнера */
    margin-left: auto;
    margin-right: auto;
}

.hero__note {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 10px;
}

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

.feature-card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: 0.3s;
    cursor: pointer;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 25px -5px rgba(0, 0, 0, 0.15);
}

.feature-card:hover .feature-card__icon {
    transform: scale(1.1);
}

.feature-card__icon {
    transition: 0.3s;
}

.feature-card__icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

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

.service-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: 0.3s;
    cursor: pointer;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 30px -5px rgba(0, 0, 0, 0.2);
}

.service-card__img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: 0.5s;
}

.service-card:hover .service-card__img {
    transform: scale(1.1);
}

.service-card__content {
    padding: 20px;
    transition: 0.3s;
}

.service-card:hover .service-card__content h3 {
    color: var(--accent);
}

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

.review-card {
    background: var(--white);
    padding: 25px;
    border-radius: var(--radius);
    border-left: 4px solid var(--accent);
    box-shadow: var(--shadow);
    transition: 0.3s;
    cursor: pointer;
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 25px -5px rgba(0, 0, 0, 0.15);
    border-left-width: 6px;
}

.review-card:hover .review-card__avatar {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
}

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

.review-card__avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    transition: 0.3s;
}

.stars {
    color: #FBBF24;
    font-size: 0.9rem;
}

/* Contact */
.contact__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.contact__list li {
    margin-bottom: 15px;
    font-size: 1.1rem;
    transition: 0.3s;
    padding: 8px;
    border-radius: 8px;
}

.contact__list li:hover {
    background: rgba(14, 165, 233, 0.05);
    transform: translateX(5px);
}

.contact__form {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

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

input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: 0.3s;
}

input:hover {
    border-color: var(--accent);
}

input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.captcha-group {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 20px;
}

.captcha-group input {
    width: 80px;
}

.form-privacy {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 10px;
}

.form-privacy a {
    text-decoration: underline;
    transition: 0.3s;
}

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

/* Spinner */
.spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
    margin-left: 10px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.btn.loading .btn-text {
    display: none;
}

.btn.loading .spinner {
    display: inline-block;
}

/* Footer */
.footer {
    background: var(--primary);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.logo--footer {
    color: var(--white);
    transition: 0.3s;
    display: inline-block;
}

.logo--footer:hover {
    color: var(--accent);
    transform: scale(1.05);
}

.footer__col h4 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.1rem;
}

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

.footer__col ul li a {
    opacity: 0.7;
}

.footer__col ul li a:hover {
    opacity: 1;
}

.footer__bottom {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    font-size: 0.9rem;
    opacity: 0.6;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: 0.3s;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: var(--white);
    width: 90%;
    max-width: 600px;
    border-radius: var(--radius);
    padding: 30px;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: 0.3s;
    max-height: 80vh;
    overflow-y: auto;
}

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

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
    transition: 0.3s;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.modal-close:hover {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
    transform: rotate(90deg) scale(1.1);
}

.modal-content {
    padding-right: 20px;
}

.modal-content h3 {
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.modal-content h4 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    font-size: 1.2rem;
    color: var(--primary);
}

.modal-content p {
    margin-bottom: 1rem;
    line-height: 1.7;
}

.modal-content ul,
.modal-content ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.modal-content ul li,
.modal-content ol li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.modal-content a {
    color: var(--accent);
    text-decoration: underline;
}

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

/* Media Queries */
@media (max-width: 1024px) {
    .burger {
        display: block;
    }

    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        padding: 40px;
        transform: translateX(100%);
        transition: 0.3s ease;
    }

    .nav__list {
        flex-direction: column;
        align-items: center;
        gap: 30px;
        font-size: 1.2rem;
    }

    .hero__title {
        font-size: 2.5rem;
    }

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