/* RESET & BASE */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #0a0a0f;
    color: #f0f0f0;
    scroll-behavior: smooth;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
}

h1, h2, h3, .logo, .nav-links a {
    font-family: 'Space Grotesk', sans-serif;
}

/* Header */
header {
    background-color: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(12px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, #a855f7, #3b82f6);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.logo i {
    color: #a855f7;
    margin-right: 8px;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    font-weight: 500;
    color: #e2e2e2;
    transition: 0.3s;
    font-size: 1rem;
}

.nav-links a:hover {
    color: #a855f7;
}

.burger {
    display: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: #fff;
}


/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 100%);
    display: flex;
    align-items: center;
    text-align: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(168,85,247,0.1) 0%, transparent 70%);
    animation: pulse 8s infinite;
}

/* Фоновое изображение */
.hero-bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('images/Frame157.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.12;
    z-index: 1;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    animation: fadeUp 1s ease-out;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}


.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.gradient-text {
    background: linear-gradient(135deg, #a855f7, #3b82f6);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-sub {
    font-size: 1.2rem;
    color: #b0b0b0;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #a855f7, #3b82f6);
    color: white;
    box-shadow: 0 4px 15px rgba(168,85,247,0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(168,85,247,0.4);
}

.btn-secondary {
    background: transparent;
    border: 2px solid #a855f7;
    color: #a855f7;
}

.btn-secondary:hover {
    background: #a855f7;
    color: white;
}

/* Sections */
section {
    padding: 90px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    position: relative;
}

.section-title:after {
    content: '';
    width: 80px;
    height: 3px;
    background: linear-gradient(135deg, #a855f7, #3b82f6);
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    color: #b0b0b0;
    margin-bottom: 40px;
}

/* About */
.about-grid {

    display: flex;
    gap: 50px;
    align-items: center;
    flex-wrap: wrap;
}

.about-text {
    flex: 1;
    line-height: 1.7;
    color: #d0d0d0;
}

.about-text p {
    margin-bottom: 20px;
}

.stats {
    display: flex;
    gap: 30px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat span {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #a855f7, #3b82f6);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: block;
}

.about-img {
    flex: 1;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 30px rgba(0,0,0,0.3);
}

.about-img img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s;
}

.about-img:hover img {
    transform: scale(1.02);
}

.about {
    background: linear-gradient(135deg, #0a0a0f 0%, #12121a 100%);
}

/* Service Tabs */
.service-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.tab-btn {
    padding: 12px 24px;
    background: #1a1a2e;
    border: none;
    border-radius: 50px;
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
}

.tab-btn.active {
    background: linear-gradient(135deg, #a855f7, #3b82f6);
    box-shadow: 0 4px 12px rgba(168,85,247,0.3);
}

/* Calculator */
.calculator-card {
    background: #12121a;
    border-radius: 32px;
    padding: 40px;
    border: 1px solid rgba(255,255,255,0.05);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.calc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.calc-header h3 {
    font-size: 1.6rem;
}

.price-badge {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #a855f7, #3b82f6);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.input-group {
    margin-bottom: 25px;
}

.input-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
}

.input-group input, .input-group select {
    width: 100%;
    padding: 14px 18px;
    background: #1e1e2a;
    border: 1px solid #2a2a35;
    border-radius: 16px;
    color: white;
    font-size: 1rem;
    transition: 0.3s;
}

.input-group input:focus, .input-group select:focus {
    outline: none;
    border-color: #a855f7;
}

.deadline-group {
    margin: 30px 0;
}

.deadline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    flex-wrap: wrap;
    gap: 10px;
}

.deadline-badge {
    background: linear-gradient(135deg, #f59e0b, #dc2626);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    color: white;
    animation: pulse 1.5s infinite;
}

.deadline-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 12px 0 8px;
    font-size: 1rem;
}

.multiplier-info {
    background: #1e1e2a;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    color: #f59e0b;
    font-weight: 500;
}

.deadline-hint {
    font-size: 0.8rem;
    color: #888;
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.deadline-hint i {
    color: #f59e0b;
}

.deadline-group input[type="range"] {
    width: 100%;
    margin: 15px 0;
    accent-color: #a855f7;
}

.btn-order {
    width: 100%;
    justify-content: center;
    margin-top: 20px;
}

.order-message {
    margin-top: 20px;
    text-align: center;
    padding: 12px;
    border-radius: 12px;
    display: none;
}

.order-message.success {
    background: rgba(34, 197, 94, 0.2);
    border: 1px solid #22c55e;
    color: #22c55e;
    display: block;
}

.order-message.error {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid #ef4444;
    color: #ef4444;
    display: block;
}

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

.review-card {
    background: #12121a;
    border-radius: 24px;
    padding: 28px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: 0.3s;
}

.review-card:hover {
    transform: translateY(-8px);
    border-color: #a855f7;
}

.stars {
    color: #fbbf24;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.review-text {
    line-height: 1.6;
    margin-bottom: 20px;
    color: #d0d0d0;
}

.reviewer {
    font-weight: 600;
    color: #a855f7;
}

/* Contacts */
.contacts-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
}

.contact-info, .contact-form {
    flex: 1;
    background: #12121a;
    padding: 32px;
    border-radius: 28px;
    border: 1px solid rgba(255,255,255,0.05);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: 25px;
}

.contact-item i {
    width: 45px;
    height: 45px;
    background: #1e1e2a;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 30px;
    color: #a855f7;
    font-size: 1.3rem;
}

.contact-item a {
    color: #a855f7;
    text-decoration: none;
}

.contact-form h3 {
    margin-bottom: 20px;
}

.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 14px;
    margin-bottom: 15px;
    background: #1e1e2a;
    border: 1px solid #2a2a35;
    border-radius: 16px;
    color: white;
    font-family: inherit;
}

.contact-form input:focus, .contact-form textarea:focus {
    outline: none;
    border-color: #a855f7;
}

/* Checkbox Group */
.checkbox-group {
    margin: 20px 0;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    position: relative;
    padding-left: 0;
    user-select: none;
}

.checkbox-label input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: relative;
    display: inline-block;
    width: 20px;
    height: 20px;
    background-color: #1e1e2a;
    border: 2px solid #3b3b4a;
    border-radius: 6px;
    transition: all 0.3s ease;
    flex-shrink: 0;
    margin-top: 2px;
}

.checkbox-label:hover input ~ .checkmark {
    border-color: #a855f7;
}

.checkbox-label input:checked ~ .checkmark {
    background: linear-gradient(135deg, #a855f7, #3b82f6);
    border-color: #a855f7;
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-label input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-label .checkmark:after {
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-text {
    color: #b0b0b0;
    font-size: 0.85rem;
    line-height: 1.4;
}

.privacy-link {
    color: #a855f7;
    text-decoration: none;
    border-bottom: 1px dashed #a855f7;
    transition: all 0.3s ease;
}

.privacy-link:hover {
    color: #3b82f6;
    border-bottom-color: #3b82f6;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    background: linear-gradient(135deg, #12121a, #0a0a0f);
    margin: 5% auto;
    padding: 0;
    width: 90%;
    max-width: 600px;
    border-radius: 24px;
    border: 1px solid rgba(168, 85, 247, 0.3);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.4s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    color: #fff;
    font-size: 1.3rem;
    margin: 0;
}

.modal-close {
    color: #888;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

.modal-close:hover {
    color: #a855f7;
}

.modal-body {
    padding: 24px;
    color: #c0c0c0;
    line-height: 1.6;
    max-height: 60vh;
    overflow-y: auto;
}

.modal-body p {
    margin-bottom: 15px;
}

.modal-body strong {
    color: #a855f7;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: flex-end;
}

.modal-footer .btn {
    padding: 10px 24px;
}

/* Стили для отключенной кнопки */
#submitBtn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

#submitBtn:disabled:hover {
    transform: none;
    box-shadow: none;
}

/* Footer */
footer {
    background: #050507;
    padding: 50px 0 30px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

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

.footer-logo {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.footer-desc {
    color: #888;
    margin-bottom: 20px;
}

.socials {
    margin: 20px 0;
}

.socials a {
    color: #aaa;
    margin: 0 15px;
    font-size: 1.5rem;
    transition: 0.3s;
    display: inline-block;
}

.socials a:hover {
    color: #a855f7;
    transform: translateY(-3px);
}

.author {
    margin-top: 30px;
    font-size: 0.85rem;
    color: #666;
    border-top: 1px solid #1a1a2e;
    padding-top: 25px;
}

.vk-link {
    color: #a855f7;
    text-decoration: none;
    margin-top: 8px;
    display: inline-block;
}

/* Animations */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(35px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-up {
    opacity: 0;
    transform: translateY(35px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Toast Notification */
.toast-notification {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: white;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    z-index: 9999;
    animation: slideInRight 0.3s ease, fadeOut 0.5s ease 2.5s forwards;
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    gap: 10px;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeOut {
    to {
        opacity: 0;
        visibility: hidden;
    }
}

/* Responsive */
@media (max-width: 992px) {
    .hero-title {
        font-size: 2.5rem;
    }
    .container {
        padding: 0 24px;
    }
}

@media (max-width: 768px) {
    .burger {
        display: block;
    }
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        background: #0a0a0f;
        width: 80%;
        height: calc(100vh - 80px);
        flex-direction: column;
        align-items: center;
        padding-top: 40px;
        gap: 2rem;
        transition: 0.3s;
        border-right: 1px solid rgba(255,255,255,0.1);
    }
    .nav-links.active {
        left: 0;
    }
    .about-grid {
        flex-direction: column;
    }
    .calc-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    .service-tabs button {
        font-size: 0.85rem;
        padding: 8px 16px;
    }
    .calculator-card {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    .section-title {
        font-size: 1.8rem;
    }
    .stats {
        justify-content: center;
    }
    .toast-notification {
        bottom: 20px;
        right: 20px;
        left: 20px;
        text-align: center;
        justify-content: center;
    }
}

/* Message Preview Styles */
.message-preview {
    margin-top: 30px;
    background: #0a0a0f;
    border: 1px solid rgba(168, 85, 247, 0.3);
    border-radius: 20px;
    overflow: hidden;
    animation: slideUp 0.4s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.preview-header {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(59, 130, 246, 0.2));
    padding: 15px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    gap: 10px;
}

.preview-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.preview-header-left i {
    color: #a855f7;
    font-size: 1.2rem;
}

.preview-header-left span {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 600;
}

.copy-preview-btn {
    background: rgba(168, 85, 247, 0.2);
    border: 1px solid rgba(168, 85, 247, 0.5);
    color: #a855f7;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.copy-preview-btn:hover {
    background: rgba(168, 85, 247, 0.3);
    transform: translateY(-1px);
}

.copy-preview-btn:active {
    transform: translateY(0);
}

.copy-preview-btn.copied {
    background: #22c55e;
    border-color: #22c55e;
    color: white;
}

.preview-content {
    padding: 20px;
    font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    background: #050507;
    color: #e2e2e2;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 300px;
    overflow-y: auto;
}

.preview-content br {
    display: block;
    content: "";
    margin: 4px 0;
}

/* Scrollbar для предпросмотра */
.preview-content::-webkit-scrollbar {
    width: 6px;
}

.preview-content::-webkit-scrollbar-track {
    background: #1a1a2e;
    border-radius: 10px;
}

.preview-content::-webkit-scrollbar-thumb {
    background: #a855f7;
    border-radius: 10px;
}

.preview-content::-webkit-scrollbar-thumb:hover {
    background: #3b82f6;
}

/* ============ PORTFOLIO SECTION ============ */
#portfolio {
    background: linear-gradient(135deg, #0a0a0f 0%, #12121a 100%);
}

.section-subtitle {
    text-align: center;
    color: #b0b0b0;
    margin-bottom: 40px;
    font-size: 1.1rem;
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

/* Gallery Card */
.gallery-card {
    background: #12121a;
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.2, 0.9, 0.4, 1.1);
    border: 1px solid rgba(255, 255, 255, 0.05);
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
    transform: translateY(30px);
}

.gallery-card:nth-child(1) { animation-delay: 0.1s; }
.gallery-card:nth-child(2) { animation-delay: 0.2s; }
.gallery-card:nth-child(3) { animation-delay: 0.3s; }
.gallery-card:nth-child(4) { animation-delay: 0.4s; }
.gallery-card:nth-child(5) { animation-delay: 0.5s; }
.gallery-card:nth-child(6) { animation-delay: 0.6s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.gallery-card:hover {
    transform: translateY(-12px);
    border-color: rgba(168, 85, 247, 0.3);
    box-shadow: 0 25px 35px rgba(0, 0, 0, 0.3);
}

.gallery-card-image {
    width: 100%;
    height: 240px;
    overflow: hidden;
    position: relative;
}

.gallery-card-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(59, 130, 246, 0.2));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-card:hover .gallery-card-image::after {
    opacity: 1;
}

.gallery-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.2, 0.9, 0.4, 1.1);
}

.gallery-card:hover .gallery-card-image img {
    transform: scale(1.08);
}

.gallery-card-content {
    padding: 24px;
}

.gallery-card-content h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
    background: linear-gradient(135deg, #fff, #a855f7);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.gallery-card-content p {
    color: #b0b0b0;
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 20px;
}

/* Project Details */
.project-details {
    margin: 15px 0;
    padding: 12px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: #b0b0b0;
}

.detail-item i {
    width: 28px;
    color: #a855f7;
    font-size: 0.9rem;
}

.detail-item span {
    color: #e2e2e2;
}

/* Tech Tags */
.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 15px 0;
}

.tech-tag {
    background: #1e1e2a;
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 0.7rem;
    color: #a855f7;
    border: 1px solid rgba(168, 85, 247, 0.3);
    transition: all 0.3s ease;
}

.tech-tag:hover {
    background: rgba(168, 85, 247, 0.2);
    transform: translateY(-2px);
}

/* Gallery Card Buttons */
.gallery-card-buttons {
    margin-top: 20px;
}

.btn-visit-site {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 12px 20px;
    background: linear-gradient(135deg, #a855f7, #3b82f6);
    border: none;
    border-radius: 12px;
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-visit-site::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-visit-site:hover::before {
    width: 300px;
    height: 300px;
}

.btn-visit-site:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(168, 85, 247, 0.4);
}

.btn-visit-site:active {
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 992px) {
    .hero-title {
        font-size: 2.5rem;
    }
    .container {
        padding: 0 24px;
    }
}

@media (max-width: 768px) {
    .burger {
        display: block;
    }
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        background: #0a0a0f;
        width: 80%;
        height: calc(100vh - 80px);
        flex-direction: column;
        align-items: center;
        padding-top: 40px;
        gap: 2rem;
        transition: 0.3s;
        border-right: 1px solid rgba(255,255,255,0.1);
    }
    .nav-links.active {
        left: 0;
    }
    .about-grid {
        flex-direction: column;
    }
    .calc-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    .service-tabs button {
        font-size: 0.85rem;
        padding: 8px 16px;
    }
    .calculator-card {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    .section-title {
        font-size: 1.8rem;
    }
    .stats {
        justify-content: center;
    }
}

/* Адаптив для предпросмотра */
@media (max-width: 768px) {
    .preview-content {
        font-size: 0.75rem;
        padding: 15px;
    }

    .preview-header {
        padding: 12px 15px;
    }

    .preview-header span {
        font-size: 0.85rem;
    }
}

/* Адаптив для кнопок */
@media (max-width: 768px) {
    .action-buttons {
        flex-direction: column;
    }

    .btn-copy, .btn-order {
        width: 100%;
    }

    .preview-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .copy-preview-btn {
        width: 100%;
        justify-content: center;
    }

    .toast-notification {
        bottom: 20px;
        right: 20px;
        left: 20px;
        text-align: center;
        justify-content: center;
    }
}

/* Адаптив для модального окна */
@media (max-width: 768px) {
    .modal-content {
        margin: 15% auto;
        width: 95%;
    }

    .modal-body {
        max-height: 70vh;
        font-size: 0.9rem;
    }

    .checkbox-text {
        font-size: 0.75rem;
    }
}

/* Адаптив для галереи */
@media (max-width: 992px) {
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }

    .project-modal-body {
        flex-direction: column;
    }

    .project-modal-body img {
        max-height: 300px;
    }

    .project-modal-info {
        padding: 25px;
    }
}

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

    .gallery-filters {
        gap: 8px;
    }

    .filter-btn {
        padding: 6px 16px;
        font-size: 0.8rem;
    }

    .project-modal-info h2 {
        font-size: 1.5rem;
    }
}

/* Адаптив для сайдбара */
@media (max-width: 768px) {
    .project-sidebar {
        max-width: 100%;
    }

    .sidebar-header h2 {
        font-size: 1.2rem;
    }

    .sidebar-body {
        padding: 20px;
    }

    .gallery-card-buttons {
        flex-direction: column;
    }
}

/* Адаптив для портфолио */
@media (max-width: 992px) {
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        gap: 25px;
    }

    .gallery-card-image {
        height: 220px;
    }
}

@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .gallery-card-image {
        height: 200px;
    }

    .gallery-card-content h3 {
        font-size: 1.2rem;
    }

    .project-details {
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .gallery-card-content {
        padding: 18px;
    }

    .tech-tag {
        padding: 4px 10px;
        font-size: 0.65rem;
    }
}

/* Стили для новой контактной кнопки */
.contact-message {
    color: #b0b0b0;
    margin-bottom: 25px;
    line-height: 1.5;
}

.vk-contact-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: linear-gradient(135deg, #4c75a3, #2c517c);
    border: none;
    transition: all 0.3s ease;
}

.vk-contact-btn:hover {
    background: linear-gradient(135deg, #5b86b3, #3a6190);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(76, 117, 163, 0.4);
}

.vk-contact-btn i {
    font-size: 1.2rem;
}

/* Hero Background Image */
.hero {
    position: relative;
}

.hero-bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('images/Frame157.png');
    background-size: cover;
    background-position: center;
    opacity: 0.15;
    z-index: 0;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

/* Options Group */
.options-group {
    margin: 25px 0;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.options-label {
    display: block;
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 1rem;
    color: #a855f7;
}

#optionsCheckboxes {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

#optionsCheckboxes .checkbox-group {
    margin: 0;
    flex: 1;
    min-width: 200px;
}

/* Photo Processing Section */
.photo-options {
    margin: 20px 0;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.photo-option {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #1e1e2a;
    padding: 12px 20px;
    border-radius: 12px;
    cursor: pointer;
    transition: 0.3s;
}

.photo-option:hover {
    background: #2a2a35;
}

.photo-option input {
    accent-color: #a855f7;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.photo-option label {
    cursor: pointer;
    font-size: 0.9rem;
}

.photo-info {
    background: rgba(168, 85, 247, 0.1);
    padding: 12px 16px;
    border-radius: 12px;
    margin: 15px 0;
    font-size: 0.85rem;
    color: #b0b0b0;
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.photo-info i {
    color: #a855f7;
    margin-top: 2px;
}

/* Swiper Styles */
.reviews-swiper {
    padding: 20px 0 50px;
}

.swiper-button-prev,
.swiper-button-next {
    color: #a855f7;
    background: rgba(0,0,0,0.5);
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.swiper-button-prev:after,
.swiper-button-next:after {
    font-size: 18px;
}

.swiper-pagination-bullet-active {
    background: #a855f7;
}

/* Responsive fixes for checkboxes on mobile */
@media (max-width: 768px) {
    #optionsCheckboxes {
        flex-direction: column;
        gap: 10px;
    }

    #optionsCheckboxes .checkbox-group {
        min-width: auto;
    }

    .photo-options {
        flex-direction: column;
        gap: 10px;
    }

    .photo-option {
        padding: 10px 15px;
    }

    .checkbox-label {
        flex-wrap: wrap;
    }

    .checkbox-text {
        font-size: 0.8rem;
    }

    .swiper-button-prev,
    .swiper-button-next {
        display: none;
    }
}

@media (max-width: 480px) {
    .options-label {
        font-size: 0.9rem;
    }

    .photo-info {
        font-size: 0.75rem;
    }
}

/* Hero Background Image */
.hero {
    position: relative;
}
.hero-bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('images/Frame157.png');
    background-size: cover;
    background-position: center;
    opacity: 0.15;
    z-index: 0;
}
.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 100%);
    z-index: 1;
}
.hero-content {
    position: relative;
    z-index: 2;
}

/* Options Group */
.options-group {
    margin: 25px 0;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.options-label {
    display: block;
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 1rem;
    color: #a855f7;
}
#optionsCheckboxes {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}
#optionsCheckboxes .checkbox-group {
    margin: 0;
    flex: 1;
    min-width: 200px;
}

/* Photo Processing */
.photo-options {
    margin: 20px 0;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}
.photo-option {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #1e1e2a;
    padding: 12px 20px;
    border-radius: 12px;
    cursor: pointer;
    transition: 0.3s;
}
.photo-option:hover {
    background: #2a2a35;
}
.photo-option input {
    accent-color: #a855f7;
    width: 18px;
    height: 18px;
    cursor: pointer;
}
.photo-option label {
    cursor: pointer;
    font-size: 0.9rem;
}
.photo-info {
    background: rgba(168, 85, 247, 0.1);
    padding: 12px 16px;
    border-radius: 12px;
    margin: 15px 0;
    font-size: 0.85rem;
    color: #b0b0b0;
    display: flex;
    gap: 10px;
    align-items: flex-start;
}
.photo-info i {
    color: #a855f7;
    margin-top: 2px;
}

/* Swiper Styles */
.reviews-swiper {
    padding: 20px 0 50px;
}
.swiper-button-prev,
.swiper-button-next {
    color: #a855f7;
    background: rgba(0,0,0,0.5);
    width: 40px;
    height: 40px;
    border-radius: 50%;
}
.swiper-button-prev:after,
.swiper-button-next:after {
    font-size: 18px;
}
.swiper-pagination-bullet-active {
    background: #a855f7;
}

/* Responsive */
@media (max-width: 768px) {
    #optionsCheckboxes {
        flex-direction: column;
        gap: 10px;
    }
    #optionsCheckboxes .checkbox-group {
        min-width: auto;
    }
    .photo-options {
        flex-direction: column;
        gap: 10px;
    }
    .photo-option {
        padding: 10px 15px;
    }
    .checkbox-label {
        flex-wrap: wrap;
    }
    .checkbox-text {
        font-size: 0.8rem;
    }
    .swiper-button-prev,
    .swiper-button-next {
        display: none;
    }
}
@media (max-width: 480px) {
    .options-label {
        font-size: 0.9rem;
    }
    .photo-info {
        font-size: 0.75rem;
    }
}