:root {
    --primary-color: #0d1b2a;
    --secondary-color: #1b263b;
    --accent-color: #415a77;
    --highlight-color: #778da9;
    --text-light: #e0e1dd;
    --text-muted: #a0a0a0;
    --bg-dark: #0b121e;
    --white: #ffffff;
    --success: #2ec4b6;
    --error: #e71d36;
    --transition: all 0.3s ease;

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

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-dark);
    color: var(--text-light);
    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 {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    background: rgba(11, 18, 30, 0.8);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.header--scrolled {
    padding: 10px 0;
    background: rgba(11, 18, 30, 0.95);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--white);
}

.logo__svg {
    transition: var(--transition);
}

.logo:hover .logo__svg {
    transform: rotate(45deg);
}

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

.nav__link {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-muted);
}

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

.burger {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.burger span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--white);
    transition: var(--transition);
}

/* Mobile Nav */
@media (max-width: 1024px) {
    .burger {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: var(--bg-dark);
        display: flex;
        justify-content: center;
        align-items: center;
        transition: var(--transition);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    }

    .nav--open {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        align-items: center;
        gap: 40px;
    }

    .nav__link {
        font-size: 1.2rem;
    }

    .burger--active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

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

    .burger--active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
}

/* Sections Global */
section {
    padding: 100px 0;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: var(--white);
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    text-align: center;
    font-family: var(--font-heading);
}

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

.btn--primary:hover {
    background-color: var(--highlight-color);
    transform: translateY(-3px);
}

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

.btn--outline:hover {
    background-color: var(--accent-color);
    transform: translateY(-3px);
}

.btn--sm {
    padding: 8px 20px;
    font-size: 0.85rem;
}

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

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    background: url('images/hero_bg.jpg') center/cover no-repeat;
    padding: 0;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(13, 27, 42, 0.95) 0%, rgba(13, 27, 42, 0.7) 100%);
}

.hero__container {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(65, 90, 119, 0.2);
    border: 1px solid var(--accent-color);
    padding: 6px 16px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 30px;
}

.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero__subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.hero__actions {
    display: flex;
    justify-content: center;
    gap: 20px;
}

@media (max-width: 600px) {
    .hero__actions {
        flex-direction: column;
    }
}

/* Features */
.features {
    background-color: var(--secondary-color);
}

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

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-10px);
    border-color: var(--accent-color);
}

.feature-card__icon {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 24px;
}

.feature-card__title {
    font-family: var(--font-heading);
    margin-bottom: 16px;
    font-size: 1.5rem;
}

/* Services */
.services__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 300px;
    gap: 20px;
}

.service-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
}

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

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

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

.service-item__content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    z-index: 2;
}

.service-item__tag {
    display: inline-block;
    background: var(--accent-color);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-top: 10px;
}

@media (max-width: 768px) {
    .services__grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 250px;
    }

    .service-item--large {
        grid-row: span 1;
    }
}

/* Reviews */
.reviews {
    background-color: var(--bg-dark);
}

.reviews__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.review-card {
    background: var(--secondary-color);
    padding: 40px;
    border-radius: 20px;
    position: relative;
}

.review-card__header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
}

.review-card__avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent-color);
}

.review-card__name {
    font-weight: 700;
    font-size: 1.1rem;
}

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

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

@media (max-width: 480px) {
    .reviews__grid {
        grid-template-columns: 1fr;
    }
}

/* Contacts */
.contacts {
    background-color: var(--secondary-color);
}

.contacts__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contacts__list {
    margin-top: 40px;
}

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

.contacts__list i {
    color: var(--accent-color);
    font-size: 1.2rem;
}

.form {
    background: var(--bg-dark);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.form__group {
    margin-bottom: 20px;
}

.form__label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9rem;
}

.form__input {
    width: 100%;
    padding: 14px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--white);
    font-family: inherit;
    transition: var(--transition);
}

.form__input:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.08);
}

.form__message {
    margin-top: 20px;
    text-align: center;
    font-weight: 600;
}

.form__message--success {
    color: var(--success);
}

.form__message--error {
    color: var(--error);
}

@media (max-width: 1024px) {
    .contacts__wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    padding: 80px 0 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
    gap: 40px;
}

.footer__title {
    font-family: var(--font-heading);
    color: var(--white);
    margin-bottom: 25px;
}

.footer__links li {
    margin-bottom: 12px;
}

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

.footer__links a:hover {
    color: var(--white);
    padding-left: 5px;
}

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

.footer__info span {
    display: block;
    color: var(--white);
    font-weight: 600;
    margin-bottom: 4px;
}

.footer__bottom {
    margin-top: 60px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

@media (max-width: 900px) {
    .footer__grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 500px) {
    .footer__grid {
        grid-template-columns: 1fr;
    }
}

/* Cookie Popup */
.cookie-popup {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 350px;
    background: var(--secondary-color);
    padding: 25px;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    z-index: 2000;
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s;
}

.cookie-popup.hidden {
    transform: translateY(150%);
    opacity: 0;
    pointer-events: none;
}

.cookie-popup__content p {
    font-size: 0.85rem;
    margin-bottom: 20px;
}

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

.cookie-popup__actions {
    display: flex;
    gap: 15px;
}

@media (max-width: 400px) {
    .cookie-popup {
        left: 20px;
        right: 20px;
        width: auto;
        bottom: 20px;
    }
}

/* --- Modals Styling --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(11, 37, 69, 0.8);
    /* Затемнення фону */
    backdrop-filter: blur(5px);
    /* Розмиття фону */
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: #fff;
    width: 90%;
    max-width: 600px;
    /* Обмеження ширини */
    max-height: 85vh;
    /* Максимальна висота - 85% від екрана */
    padding: 0;
    /* Падінги прибираємо тут, щоб скрол був красивим */
    border-radius: 15px;
    z-index: 2001;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
}

/* Активний стан */
.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

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

/* Кнопка закриття (хрестик) */
.modal__close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    color: var(--primary-color);
    z-index: 10;
    transition: 0.3s;
}

.modal__close:hover {
    color: var(--accent-color);
    transform: rotate(90deg);
}

/* Контент з прокруткою */
.modal__content {
    padding: 40px 30px;
    overflow-y: auto;
    /* Вмикає вертикальний скрол */
    height: 100%;
    color: #333;
}

/* Стилізація тексту всередині */
.modal__content h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    padding-right: 20px;
}

.modal__content h4 {
    font-size: 1.2rem;
    color: var(--secondary-color);
    margin-top: 20px;
    margin-bottom: 10px;
}

.modal__content p {
    margin-bottom: 10px;
    font-size: 0.95rem;
    line-height: 1.6;
}

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

.modal__content li {
    margin-bottom: 5px;
    list-style-type: disc;
}

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

/* Scrollbar styling (для Chrome/Safari) */
.modal__content::-webkit-scrollbar {
    width: 8px;
}

.modal__content::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.modal__content::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 4px;
}

.modal__content::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

/* Utility Hidden */
.hidden {
    display: none;
}