:root {
    /* Random Palette: Deep Space Blue & Neon Purple */
    --bg-color: #0F172A;
    --surface-color: #1E293B;
    --primary-color: #F8FAFC;
    --accent-color: #8B5CF6;
    /* Violet */
    --accent-hover: #7C3AED;
    --text-color: #94A3B8;
    --error-color: #EF4444;
    --success-color: #22C55E;

    --font-main: 'Outfit', sans-serif;
    --transition: all 0.3s ease;
    --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(--primary-color);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
    margin-top: 15px;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-align: center;
}

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

.btn--primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
}

.btn--full {
    width: 100%;
    background: var(--accent-color);
    color: white;
    font-size: 1rem;
}

.btn--full:hover {
    background: var(--accent-hover);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
}

.btn--small {
    padding: 8px 16px;
    background: var(--accent-color);
    color: white;
}

.btn--small:hover {
    background: var(--accent-hover);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
}

.btn--outline-small {
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--text-color);
    color: var(--text-color);
}

.btn--outline-small:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.2);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.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(--primary-color);
    transition: var(--transition);
}

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

.logo:hover svg {
    filter: drop-shadow(0 0 8px rgba(139, 92, 246, 0.5));
}

/* Navigation */
.nav {
    position: fixed;
    top: 70px;
    right: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--bg-color);
    transition: var(--transition);
    display: flex;
    justify-content: center;
    align-items: center;
}

.nav.active {
    right: 0;
}

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

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

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

.burger span {
    position: absolute;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
    left: 0;
    transition: var(--transition);
}

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

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

.burger span:nth-child(3) {
    top: 18px;
}

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

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

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

/* Hero */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('images/hero-bg.jpg') center/cover no-repeat;
    text-align: center;
    margin-top: 70px;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.8) 0%, rgba(15, 23, 42, 0.95) 100%);
}

.hero__content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.badge {
    display: inline-block;
    background: rgba(139, 92, 246, 0.2);
    border: 1px solid var(--accent-color);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    margin-bottom: 20px;
    color: #E2E8F0;
    transition: var(--transition);
}

.badge:hover {
    background: rgba(139, 92, 246, 0.3);
    box-shadow: 0 2px 10px rgba(139, 92, 246, 0.3);
}

.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-color);
    margin-bottom: 30px;
}

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

.section--dark {
    background: var(--surface-color);
}

.section__title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 50px;
    color: var(--primary-color);
}

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

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

.feature-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.2);
}

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

.feature-icon {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 20px;
    transition: var(--transition);
}

.feature-card h3 {
    margin-bottom: 10px;
}

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

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

.service-card {
    background: var(--bg-color);
    padding: 30px;
    border-radius: var(--radius);
    height: 100%;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.2);
}

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

.service-card h3 {
    color: var(--accent-color);
    margin-bottom: 10px;
    transition: var(--transition);
}

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

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

.review-card {
    background: var(--surface-color);
    padding: 25px;
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.review-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.2);
}

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

.review__avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

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

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

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

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

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

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

.contact__list li:hover i {
    color: var(--accent-hover);
    transform: scale(1.1);
}

.contact__form {
    background: var(--surface-color);
    padding: 30px;
    border-radius: var(--radius);
}

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

.form-group input {
    width: 100%;
    padding: 12px 15px;
    background: var(--bg-color);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: #fff;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:hover {
    border-color: rgba(139, 92, 246, 0.5);
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.error-msg {
    display: none;
    color: var(--error-color);
    font-size: 0.85rem;
    margin-top: 5px;
}

.form-group.error input {
    border-color: var(--error-color);
}

.form-group.error .error-msg {
    display: block;
}

.captcha-group {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.captcha-group input {
    width: 60px;
    padding: 8px;
    text-align: center;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: var(--bg-color);
    color: #fff;
}

.loader {
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-top: 3px solid var(--accent-color);
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
    margin: 15px auto;
}

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

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

.hidden {
    display: none;
}

.success-msg {
    color: var(--success-color);
    text-align: center;
    margin-top: 15px;
}

/* Footer */
.footer {
    background: #020617;
    padding: 60px 0 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

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

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

.footer__col ul li a {
    color: var(--text-color);
    font-size: 0.9rem;
}

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

.footer__col p {
    color: var(--text-color);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.footer__bottom {
    text-align: center;
    color: var(--text-color);
    font-size: 0.8rem;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2900;
    display: none;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--surface-color);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    z-index: 3000;
    padding: 40px;
    border-radius: var(--radius);
    display: none;
    flex-direction: column;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.modal.active,
.modal-overlay.active {
    display: flex;
}

.modal-content {
    overflow-y: auto;
    color: var(--text-color);
}

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

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

.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;
}

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

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

.modal-close {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 2rem;
    cursor: pointer;
    transition: var(--transition);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.modal-close:hover {
    color: var(--accent-color);
    background: rgba(139, 92, 246, 0.1);
}

/* Desktop */
@media (min-width: 1024px) {
    .nav {
        position: static;
        width: auto;
        height: auto;
        background: transparent;
        flex-direction: row;
    }

    .nav__list {
        flex-direction: row;
        font-size: 1rem;
        margin-bottom: 10px;
    }

    .burger {
        display: none;
    }

    .hero__title {
        font-size: 3.5rem;
    }

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

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

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

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

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