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

:root {
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --primary-glow: rgba(59, 130, 246, 0.5);
    --secondary-color: #10b981;
    --secondary-glow: rgba(16, 185, 129, 0.5);
    --accent-color: #8b5cf6;
    --accent-glow: rgba(139, 92, 246, 0.5);
    --bg-dark: #0a0e27;
    --bg-darker: #050816;
    --bg-card: #111827;
    --bg-card-hover: #1f2937;
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;
    --border-color: rgba(59, 130, 246, 0.2);
    --border-hover: rgba(59, 130, 246, 0.5);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    background-image: 
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(139, 92, 246, 0.1) 0px, transparent 50%);
    background-attachment: fixed;
}

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

/* Navigation */
.navbar {
    background: rgba(17, 24, 39, 0.8);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s;
}

.navbar:hover {
    background: rgba(17, 24, 39, 0.95);
    box-shadow: 0 4px 30px rgba(59, 130, 246, 0.2);
}

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

.nav-brand {
    display: flex;
    align-items: center;
}

.nav-brand .logo-svg {
    transition: all 0.3s ease;
    filter: drop-shadow(0 0 10px var(--primary-glow));
}

.nav-brand:hover .logo-svg {
    transform: scale(1.1) rotate(5deg);
    filter: drop-shadow(0 0 15px var(--primary-glow));
}

.nav-brand h1 {
    font-size: 1.8rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.2rem;
    font-weight: 700;
    text-shadow: 0 0 20px var(--primary-glow);
    letter-spacing: 2px;
}

.nav-brand p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
    padding: 0.5rem 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transition: width 0.3s;
}

.nav-menu a:hover {
    color: var(--text-primary);
}

.nav-menu a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: 0.3s;
    border-radius: 3px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        flex-direction: column;
        background: var(--bg-card);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.5);
        padding: 2rem 0;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-menu li {
        margin: 1rem 0;
    }
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 50%, var(--bg-darker) 100%);
    color: white;
    padding: 150px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    animation: pulse 10s ease-in-out infinite reverse;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(59,130,246,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    animation: fadeInUp 1s ease-out;
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
    color: var(--text-secondary);
    animation: fadeInUp 1s ease-out 0.2s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 35px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
    animation: fadeInUp 1s ease-out 0.4s both;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--primary-glow), var(--shadow-glow);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-color), #059669);
    color: white;
    box-shadow: 0 4px 15px var(--secondary-glow);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--secondary-glow);
}

.btn-block {
    width: 100%;
    margin-top: 1rem;
}

/* Секции */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    margin-top: 2rem;
}

/* Services */
.services {
    background: transparent;
    position: relative;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-card);
    padding: 2.5rem 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    text-decoration: none;
    color: inherit;
    display: block;
    overflow: hidden;
    position: relative;
    cursor: pointer;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-glow), var(--accent-glow));
    opacity: 0;
    transition: opacity 0.4s;
    z-index: 0;
}

.service-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border-color: var(--border-hover);
}

.service-card:hover::before {
    opacity: 0.1;
}

.service-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    position: relative;
    z-index: 1;
    display: none;
}

.service-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, var(--bg-card) 100%);
    opacity: 0.7;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    filter: brightness(0.8);
}

.service-card:hover .service-image img {
    transform: scale(1.15);
    filter: brightness(1);
}

.service-icon {
    font-size: 4rem;
    margin: 0 0 1.5rem 0;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 0 10px var(--primary-glow));
    transition: all 0.3s ease;
    display: block;
}

.service-card:hover .service-icon {
    transform: scale(1.1) translateY(-5px);
    filter: drop-shadow(0 0 20px var(--primary-glow));
}

.service-card h3 {
    padding: 0;
    position: relative;
    z-index: 1;
    color: var(--text-primary);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    margin-top: 0;
}

.service-card p {
    padding: 0;
    position: relative;
    z-index: 1;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.service-link {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 600;
    margin-top: 0.5rem;
    position: relative;
    z-index: 1;
    transition: all 0.3s;
}

.service-card:hover .service-link {
    color: var(--accent-color);
    transform: translateX(5px);
}

/* Calculator */
.calculator {
    background: transparent;
}

.calculator-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.calculator-form {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.calculator-section {
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}

.calculator-section:last-child {
    border-bottom: none;
}

.calculator-section h3 {
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.option-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.option-item {
    display: flex;
    align-items: center;
    padding: 1.2rem;
    background: var(--bg-darker);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.option-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: left 0.5s;
}

.option-item:hover::before {
    left: 100%;
}

.option-item:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.2);
}

.option-item input[type="checkbox"] {
    width: 22px;
    height: 22px;
    margin-right: 1rem;
    cursor: pointer;
    accent-color: var(--primary-color);
    z-index: 1;
    position: relative;
}

.option-content {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1;
    position: relative;
}

.option-name {
    font-weight: 500;
    color: var(--text-primary);
}

.option-price {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.1rem;
}

.option-item input[type="checkbox"]:checked + .option-content {
    color: var(--primary-color);
}

.option-item:has(input[type="checkbox"]:checked) {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.1);
    box-shadow: 0 0 20px var(--primary-glow);
}

/* Total Cost */
.calculator-summary {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.summary-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.summary-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    opacity: 0.3;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.summary-card h3 {
    font-size: 1.6rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    text-align: center;
    position: relative;
    z-index: 1;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.summary-items {
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
    position: relative;
    z-index: 1;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.summary-item:last-child {
    border-bottom: none;
}

.summary-item span:last-child {
    color: var(--primary-color);
    font-weight: 600;
}

.empty-message {
    text-align: center;
    color: var(--text-muted);
    opacity: 0.7;
    padding: 1rem;
}

.summary-total {
    margin-top: 1rem;
    position: relative;
    z-index: 1;
}

.total-line {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    font-size: 1rem;
    color: var(--text-secondary);
}

.total-line.discount {
    color: var(--secondary-color);
    font-weight: 600;
}

.total-line.final {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    border-top: 2px solid var(--border-color);
    padding-top: 1rem;
    margin-top: 0.5rem;
    text-shadow: 0 0 20px var(--primary-glow);
}

/* About Us */
.about {
    background: transparent;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-item {
    text-align: center;
    padding: 2rem;
    background: var(--bg-card);
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.3s;
}

.feature-item:hover::before {
    transform: scaleX(1);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border-color: var(--border-hover);
}

.feature-item strong {
    display: block;
    font-size: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    font-weight: 800;
}

.feature-item span {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Contact */
.contact {
    background: transparent;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    padding: 2rem;
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.contact-item:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow), var(--shadow-glow);
    transform: translateX(5px);
}

.contact-item h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-item p {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.contact-form-wrapper {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.contact-form h3 {
    font-size: 1.6rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 14px;
    margin-bottom: 1rem;
    background: var(--bg-darker);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    color: var(--text-primary);
    transition: all 0.3s;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: var(--text-muted);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 15px var(--primary-glow);
    background: var(--bg-card);
}

/* Footer */
.footer {
    background: var(--bg-darker);
    color: var(--text-secondary);
    text-align: center;
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

/* Адаптивность */
@media (max-width: 968px) {
    .calculator-wrapper {
        grid-template-columns: 1fr;
    }

    .calculator-summary {
        position: static;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 80px 0;
    }

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

    .calculator-form {
        padding: 1.5rem;
    }

    .option-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}

/* Scrollbar */
*::-webkit-scrollbar {
    width: 10px;
}

*::-webkit-scrollbar-track {
    background: var(--bg-darker);
    border-radius: 10px;
}

*::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
    border-radius: 10px;
    border: 2px solid var(--bg-darker);
}

*::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--primary-dark), var(--accent-color));
    box-shadow: 0 0 10px var(--primary-glow);
}

.summary-items::-webkit-scrollbar {
    width: 6px;
}

.summary-items::-webkit-scrollbar-track {
    background: var(--bg-darker);
    border-radius: 10px;
}

.summary-items::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
    border-radius: 10px;
}

.summary-items::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--primary-dark), var(--accent-color));
}

/* Service Pages */
.service-hero {
    background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 50%, var(--bg-darker) 100%);
    color: white;
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.service-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

.service-hero .hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    animation: fadeInUp 1s ease-out;
}

.service-content {
    padding: 80px 0;
    background: transparent;
}

.service-details {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin-top: 2rem;
}

.service-main h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.service-main h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--text-primary);
}

.service-main p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.feature-list li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
    font-size: 1.2rem;
    text-shadow: 0 0 10px var(--secondary-glow);
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.application-card {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.application-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-5px);
    box-shadow: var(--shadow), var(--shadow-glow);
    background: var(--bg-card-hover);
}

.application-card h4 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

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

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.step {
    text-align: center;
    padding: 1.5rem;
}

.step-number {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: bold;
    margin: 0 auto 1rem;
    box-shadow: 0 0 20px var(--primary-glow);
    transition: all 0.3s;
}

.step:hover .step-number {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 0 30px var(--primary-glow);
}

.step h4 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.step p {
    color: var(--text-secondary);
}

.service-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sidebar-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    position: sticky;
    top: 100px;
    transition: all 0.3s;
}

.sidebar-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.sidebar-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.related-services {
    list-style: none;
    padding: 0;
    margin: 0;
}

.related-services li {
    margin-bottom: 0.75rem;
}

.related-services a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s;
    display: block;
    padding: 0.5rem;
    border-radius: 8px;
}

.related-services a:hover {
    color: var(--primary-color);
    background: rgba(59, 130, 246, 0.1);
    transform: translateX(5px);
    text-decoration: none;
}

/* Additional Dark Theme Effects */
.service-image {
    position: relative;
}

.service-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-glow), var(--accent-glow));
    opacity: 0;
    transition: opacity 0.4s;
    z-index: 1;
    mix-blend-mode: overlay;
}

.service-card:hover .service-image::before {
    opacity: 0.3;
}

/* Selection */
::selection {
    background: var(--primary-color);
    color: white;
}

::-moz-selection {
    background: var(--primary-color);
    color: white;
}

/* Loading Animation */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

/* Smooth Transitions */
* {
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

/* Focus Visible */
*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

@media (max-width: 968px) {
    .service-details {
        grid-template-columns: 1fr;
    }

    .service-sidebar {
        position: static;
    }

    .sidebar-card {
        position: static;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
}