/* Variables & Reset */
:root {
    --primary-color: #4F46E5;
    /* Indigo */
    --primary-hover: #4338ca;
    --secondary-color: #00C49A;
    /* Teal/Mint */
    --bg-color: #0F172A;
    /* Slate 900 */
    --card-bg: #1E293B;
    /* Slate 800 */
    --text-color: #F8FAFC;
    --text-muted: #94A3B8;
    --accent: #F59E0B;
    /* Amber for subtle highlights */
    --font-main: 'Manrope', sans-serif;
    --transition: all 0.3s ease;
    --border-radius: 12px;
}

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

html {
    scroll-behavior: smooth;
}

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

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

/* Touch-friendly elements */
@media (hover: none) and (pointer: coarse) {
    .btn {
        min-height: 44px;
        min-width: 44px;
    }

    .nav__link {
        padding: 12px 0;
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    .burger {
        min-width: 44px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

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

ul {
    list-style: none;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    text-align: center;
}

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

.btn--primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4);
}

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

.btn--outline:hover {
    background-color: var(--text-color);
    color: var(--bg-color);
}

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

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

.btn__loader {
    display: none;
    margin-left: 10px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 2300;
    background-color: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 15px 0;
}

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

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

.nav__list {
    display: flex;
    gap: 30px;
    align-items: center;
}

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

.nav__link--cta {
    background: var(--secondary-color);
    color: var(--bg-color) !important;
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 600;
}

.nav__link--cta:hover {
    background: #00a380;
    color: white !important;
}

/* Burger */
.burger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.burger .icon-open {
    display: block;
}

.burger .icon-open span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--text-color);
    margin: 5px 0;
    transition: var(--transition);
}

.burger .icon-close {
    display: none;
    font-size: 2rem;
    color: var(--text-color);
    line-height: 1;
}

/* Коли меню відкрите */
.burger.active .icon-open {
    display: none;
}

.burger.active .icon-close {
    display: block;
}

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

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.7) 100%);
}

.hero__content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding-top: 60px;
    text-align: center;
    margin: 0 auto;
}

.badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--secondary-color);
    margin-left: auto;
    margin-right: auto;
}

.hero__title {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
}

.highlight {
    color: var(--primary-color);
    background: -webkit-linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero__subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

/* Sections */
.section {
    padding: 80px 0;
}

.section__title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    position: relative;
}

.section__title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--secondary-color);
    margin: 15px auto 0;
    border-radius: 2px;
}

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

.feature-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.feature-card__icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 1.25rem;
}

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

/* Services */
.services__grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    grid-template-rows: 250px 250px;
    gap: 20px;
}

.service-item {
    background-size: cover;
    background-position: center;
    border-radius: var(--border-radius);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.service-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    transition: var(--transition);
}

.service-item:hover::before {
    background: rgba(79, 70, 229, 0.6);
}

.service-item__content {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    z-index: 2;
}

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

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

.review-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    position: relative;
}

.review-card__text {
    font-style: italic;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.review-card__author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.avatar--image {
    object-fit: cover;
    background: none;
}

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

.contact__list li {
    margin: 20px 0;
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.1rem;
}

.contact__list i {
    color: var(--secondary-color);
}

.form {
    background: var(--card-bg);
    padding: 40px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.form__group {
    margin-bottom: 20px;
}

.form__group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.form__group input {
    width: 100%;
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--text-color);
    outline: none;
    transition: var(--transition);
}

.form__group input:focus {
    border-color: var(--primary-color);
}

/* Footer */
.footer {
    background: #0B1120;
    padding: 60px 0 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

.footer__col h4 {
    margin-bottom: 20px;
    color: var(--text-color);
}

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

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

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

.logo--footer {
    margin-bottom: 15px;
}

.footer__bottom {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Cookie Popup */
.cookie-popup {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background: var(--card-bg);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    z-index: 2000;
    display: none;
    /* Hidden by default */
    border: 1px solid var(--primary-color);
    max-width: 500px;
}

.cookie-popup__content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
}

.cookie-popup a {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Modals */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2100;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: var(--card-bg);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    padding: 40px;
    border-radius: var(--border-radius);
    z-index: 2200;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    overflow-y: auto;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

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

.modal__close {
    position: absolute;
    top: 15px;
    right: 20px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
}

.modal__content h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.modal__content h4 {
    color: var(--secondary-color);
    margin-top: 20px;
    margin-bottom: 10px;
    font-size: 1.2rem;
    font-weight: 600;
}

.modal__content p {
    margin-bottom: 15px;
    line-height: 1.6;
}

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

.modal__content ol {
    list-style: decimal;
    margin-left: 20px;
    margin-bottom: 15px;
}

.modal__content li {
    margin-bottom: 8px;
    line-height: 1.6;
}

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

.modal__content a:hover {
    color: #00a380;
}

/* Responsive */

/* Планшети та менші ноутбуки */
@media (max-width: 1024px) {
    .container {
        padding: 0 30px;
    }

    .burger {
        display: block;
        z-index: 2301;
        position: relative;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        max-width: 400px;
        height: 100vh;
        background: var(--bg-color);
        flex-direction: column;
        justify-content: flex-start;
        transition: var(--transition);
        padding: 80px 40px 40px;
        z-index: 2300;
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.3);
    }

    .nav.active {
        right: 0;
    }

    .nav__close {
        display: flex;
        position: absolute;
        top: 20px;
        right: 20px;
        background: none;
        border: none;
        color: var(--text-color);
        font-size: 2.5rem;
        cursor: pointer;
        width: 40px;
        height: 40px;
        align-items: center;
        justify-content: center;
        z-index: 2301;
        transition: var(--transition);
    }

    .nav__close:hover {
        color: var(--secondary-color);
        transform: rotate(90deg);
    }

    .nav__list {
        flex-direction: column;
        font-size: 1.3rem;
        gap: 25px;
        width: 100%;
    }

    .nav__item {
        width: 100%;
    }

    .nav__link {
        display: block;
        padding: 10px 0;
    }

    .nav__link--cta {
        width: 100%;
        text-align: center;
        padding: 12px 20px;
    }

    .hero__title {
        font-size: 2.8rem;
    }

    .hero__subtitle {
        font-size: 1.1rem;
    }

    .section {
        padding: 60px 0;
    }

    .section__title {
        font-size: 2.2rem;
        margin-bottom: 50px;
    }

    .services__grid {
        grid-template-columns: 1fr;
        grid-template-rows: 250px 250px 250px;
    }

    .contact__container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact__info {
        order: 2;
    }

    .contact__form-wrapper {
        order: 1;
    }

    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

/* Планшети (портретна орієнтація) */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .header {
        padding: 12px 0;
    }

    .logo {
        font-size: 1.1rem;
    }

    .logo svg {
        width: 35px;
        height: 35px;
    }

    .hero {
        min-height: 500px;
        padding: 0 20px;
    }

    .hero__content {
        padding-top: 80px;
    }

    .hero__title {
        font-size: 2.2rem;
        line-height: 1.3;
        margin-bottom: 15px;
    }

    .hero__subtitle {
        font-size: 1rem;
        margin-bottom: 30px;
    }

    .hero__buttons {
        flex-direction: column;
        gap: 15px;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }

    .btn {
        width: 100%;
        padding: 14px 28px;
    }

    .badge {
        font-size: 0.85rem;
        padding: 5px 14px;
        margin-bottom: 15px;
    }

    .section {
        padding: 50px 0;
    }

    .section__title {
        font-size: 2rem;
        margin-bottom: 40px;
    }

    .features__grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .feature-card {
        padding: 25px;
    }

    .feature-card__icon {
        font-size: 2.2rem;
        margin-bottom: 15px;
    }

    .feature-card h3 {
        font-size: 1.2rem;
        margin-bottom: 12px;
    }

    .services__grid {
        gap: 15px;
    }

    .service-item {
        min-height: 220px;
    }

    .service-item__content {
        bottom: 15px;
        left: 15px;
        right: 15px;
    }

    .service-item__content h3 {
        font-size: 1.3rem;
        margin-bottom: 8px;
    }

    .service-item__content p {
        font-size: 0.9rem;
    }

    .reviews__grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .review-card {
        padding: 25px;
    }

    .review-card__text {
        font-size: 0.95rem;
        margin-bottom: 18px;
    }

    .contact__container {
        gap: 35px;
    }

    .contact__info h2 {
        font-size: 1.8rem;
        margin-bottom: 15px;
    }

    .contact__info p {
        margin-bottom: 25px;
        font-size: 0.95rem;
    }

    .contact__list li {
        font-size: 1rem;
        margin: 15px 0;
    }

    .form {
        padding: 30px 25px;
    }

    .footer__grid {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .footer__col:first-child {
        text-align: center;
    }

    .logo--footer {
        display: flex;
        justify-content: center;
    }

    .cookie-popup {
        left: 10px;
        right: 10px;
        bottom: 10px;
        padding: 18px;
    }

    .cookie-popup__content {
        flex-direction: column;
        align-items: stretch;
        gap: 15px;
    }

    .cookie-popup__actions {
        display: flex;
        gap: 10px;
    }

    .cookie-popup__actions .btn {
        flex: 1;
    }

    .modal {
        width: 95%;
        padding: 30px 25px;
        max-height: 85vh;
    }
}

/* Мобільні пристрої */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .header {
        padding: 10px 0;
    }

    .logo__text {
        font-size: 0.95rem;
    }

    .logo svg {
        width: 30px;
        height: 30px;
    }

    .burger .icon-open span {
        width: 22px;
        height: 2px;
        margin: 4px 0;
    }

    .nav {
        max-width: 100%;
        padding: 70px 30px 30px;
    }

    .nav__list {
        font-size: 1.2rem;
        gap: 20px;
    }

    .hero {
        min-height: 450px;
        padding: 0 15px;
    }

    .hero__content {
        padding-top: 70px;
    }

    .hero__title {
        font-size: 1.8rem;
        line-height: 1.25;
        margin-bottom: 12px;
    }

    .hero__subtitle {
        font-size: 0.95rem;
        margin-bottom: 25px;
        line-height: 1.5;
    }

    .hero__buttons {
        max-width: 100%;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.95rem;
    }

    .badge {
        font-size: 0.8rem;
        padding: 4px 12px;
        margin-bottom: 12px;
        line-height: 1.4;
    }

    .section {
        padding: 40px 0;
    }

    .section__title {
        font-size: 1.75rem;
        margin-bottom: 30px;
        padding: 0 10px;
    }

    .section__title::after {
        width: 50px;
        height: 3px;
        margin: 12px auto 0;
    }

    .features__grid {
        gap: 20px;
    }

    .feature-card {
        padding: 20px;
    }

    .feature-card__icon {
        font-size: 2rem;
        margin-bottom: 12px;
    }

    .feature-card h3 {
        font-size: 1.15rem;
        margin-bottom: 10px;
    }

    .feature-card p {
        font-size: 0.9rem;
        line-height: 1.6;
    }

    .services__grid {
        gap: 12px;
        grid-template-rows: 200px 200px 200px;
    }

    .service-item {
        min-height: 200px;
    }

    .service-item__content {
        bottom: 12px;
        left: 12px;
        right: 12px;
    }

    .service-item__content h3 {
        font-size: 1.2rem;
        margin-bottom: 6px;
    }

    .service-item__content p {
        font-size: 0.85rem;
    }

    .reviews__grid {
        gap: 20px;
    }

    .review-card {
        padding: 20px;
    }

    .review-card__text {
        font-size: 0.9rem;
        margin-bottom: 15px;
    }

    .review-card__author {
        gap: 12px;
        flex-wrap: wrap;
    }

    .avatar {
        width: 45px;
        height: 45px;
    }

    .review-card__author span {
        font-size: 0.9rem;
    }

    .contact__info h2 {
        font-size: 1.6rem;
        margin-bottom: 12px;
    }

    .contact__info p {
        font-size: 0.9rem;
        margin-bottom: 20px;
        line-height: 1.6;
    }

    .contact__list li {
        font-size: 0.95rem;
        margin: 12px 0;
        gap: 12px;
        flex-wrap: wrap;
    }

    .contact__list i {
        font-size: 1.1rem;
    }

    .form {
        padding: 25px 20px;
    }

    .form__group {
        margin-bottom: 18px;
    }

    .form__group label {
        font-size: 0.85rem;
        margin-bottom: 6px;
    }

    .form__group input {
        padding: 10px;
        font-size: 0.95rem;
    }

    .footer {
        padding: 40px 0 15px;
    }

    .footer__grid {
        gap: 25px;
    }

    .footer__col h4 {
        font-size: 1.1rem;
        margin-bottom: 15px;
    }

    .footer__col ul li {
        margin-bottom: 8px;
        font-size: 0.9rem;
    }

    .footer__bottom {
        font-size: 0.8rem;
        padding-top: 15px;
    }

    .cookie-popup {
        left: 10px;
        right: 10px;
        bottom: 10px;
        padding: 15px;
        max-width: none;
    }

    .cookie-popup__content {
        font-size: 0.9rem;
    }

    .cookie-popup__actions {
        flex-direction: column;
    }

    .cookie-popup__actions .btn {
        width: 100%;
    }

    .modal {
        width: 95%;
        padding: 25px 20px;
        max-height: 90vh;
    }

    .modal__close {
        top: 10px;
        right: 15px;
        font-size: 1.8rem;
    }

    .modal__content h3 {
        font-size: 1.3rem;
        margin-bottom: 12px;
    }

    .modal__content h4 {
        font-size: 1.1rem;
        margin-top: 18px;
        margin-bottom: 8px;
    }

    .modal__content p {
        font-size: 0.9rem;
        line-height: 1.6;
        margin-bottom: 12px;
    }

    .modal__content ul,
    .modal__content ol {
        font-size: 0.9rem;
        margin-left: 20px;
        margin-bottom: 12px;
    }

    .modal__content li {
        margin-bottom: 6px;
    }
}

/* Дуже малі екрани */
@media (max-width: 360px) {
    .hero__title {
        font-size: 1.6rem;
    }

    .hero__subtitle {
        font-size: 0.9rem;
    }

    .section__title {
        font-size: 1.5rem;
    }

    .feature-card {
        padding: 18px;
    }

    .service-item__content h3 {
        font-size: 1.1rem;
    }

    .contact__info h2 {
        font-size: 1.4rem;
    }

    .form {
        padding: 20px 15px;
    }
}

/* Горизонтальна орієнтація на мобільних */
@media (max-width: 768px) and (orientation: landscape) and (max-height: 500px) {
    .hero {
        min-height: 100vh;
        height: auto;
        padding: 60px 0 40px;
    }

    .hero__content {
        padding-top: 60px;
    }

    .hero__title {
        font-size: 2rem;
        margin-bottom: 10px;
    }

    .hero__subtitle {
        font-size: 0.95rem;
        margin-bottom: 20px;
    }

    .hero__buttons {
        flex-direction: row;
        justify-content: center;
        max-width: 500px;
    }

    .btn {
        width: auto;
        min-width: 150px;
    }

    .section {
        padding: 40px 0;
    }
}