:root {
    --color-primary: #7800FF;
    --color-secondary: #5290FF;
    --color-tertiary: #92FFE0;
    --color-accent: #D3FFD9;
    --color-white: #ffffff;
    --color-gray-light: #f9fafb;
    --color-gray: #6b7280;
    --color-dark: #1f2937;
    --font-primary: 'Inter', sans-serif;
    --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-primary);
    font-size: 1.0625rem;
    line-height: 1.65;
    color: var(--color-dark);
    background: var(--color-white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

.navbar-fixed {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(120, 0, 255, 0.08);
    z-index: 1000;
    padding: 0.875rem 0;
    box-shadow: 0 1px 8px rgba(0, 0, 0, 0.02);
    transition: var(--transition);
}

.navbar-fixed.scrolled {
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
}

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

.nav-logo img {
    height: 40px;
    display: block;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-menu li a {
    text-decoration: none;
    color: var(--color-dark);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: var(--transition);
    position: relative;
}

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

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transition: width 0.3s ease;
}

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

.nav-cta {
    padding: 0.625rem 1.5rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9375rem;
    transition: var(--transition);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(120, 0, 255, 0.25);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-dark);
    transition: var(--transition);
}

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 10rem 0 5rem;
    background: linear-gradient(142deg, rgba(211, 255, 217, 0.12) 0%, rgba(146, 255, 224, 0.08) 100%);
    position: relative;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(120, 0, 255, 0.2), transparent);
}

.hero-content {
    padding-right: 2rem;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.15;
    color: var(--color-dark);
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--color-gray);
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.875rem 2rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    display: inline-block;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(120, 0, 255, 0.3);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

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

.hero-panel {
    background: var(--color-white);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(120, 0, 255, 0.08);
}

.panel-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid rgba(120, 0, 255, 0.1);
}

.panel-tab {
    background: none;
    border: none;
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray);
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 2px solid transparent;
}

.panel-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.panel-content {
    position: relative;
    min-height: 180px;
}

.panel-item {
    display: none;
}

.panel-item.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.flow-line {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem;
    background: var(--color-gray-light);
    border-radius: 8px;
    border-left: 3px solid var(--color-tertiary);
}

.flow-label {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--color-gray);
    letter-spacing: 0.05em;
}

.flow-value {
    font-size: 1rem;
    color: var(--color-dark);
    font-weight: 500;
}

.flow-arrow {
    text-align: center;
    color: var(--color-secondary);
    font-size: 1.5rem;
    margin: 0.75rem 0;
}

.hero-visual {
    margin-top: 2rem;
}

.hero-visual img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 16px 48px rgba(120, 0, 255, 0.15);
}

.section-flows {
    padding: 6rem 0;
    background: var(--color-white);
    position: relative;
}

.section-flows::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(82, 144, 255, 0.15), transparent);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
    position: relative;
    display: inline-block;
}

.section-title::before {
    content: '';
    position: absolute;
    left: -20px;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--color-tertiary);
    border-radius: 50%;
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-gray);
    max-width: 700px;
    margin: 0 auto;
}

.flows-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.flows-column {
    background: var(--color-gray-light);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid rgba(120, 0, 255, 0.06);
}

.column-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--color-primary);
}

.flow-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

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

.flow-name {
    font-size: 1rem;
    color: var(--color-dark);
    font-weight: 500;
}

.flow-tag {
    padding: 0.375rem 0.875rem;
    background: linear-gradient(135deg, rgba(120, 0, 255, 0.1), rgba(82, 144, 255, 0.1));
    color: var(--color-primary);
    border-radius: 20px;
    font-size: 0.8125rem;
    font-weight: 600;
}

.section-message {
    padding: 6rem 0;
    background: linear-gradient(135deg, rgba(120, 0, 255, 0.03), rgba(82, 144, 255, 0.05));
}

.message-box {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    padding: 3rem;
    background: var(--color-white);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(120, 0, 255, 0.08);
}

.message-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 1.5rem;
}

.message-text {
    font-size: 1.25rem;
    color: var(--color-gray);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.message-points {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.point-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1rem;
    color: var(--color-dark);
    font-weight: 500;
}

.point-item i {
    color: var(--color-tertiary);
    font-size: 1.25rem;
}

.section-method {
    padding: 6rem 0;
    background: var(--color-white);
}

.method-list {
    margin-bottom: 3rem;
}

.method-item {
    display: flex;
    gap: 2rem;
    padding: 2.5rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

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

.method-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
    opacity: 0.2;
    line-height: 1;
}

.method-content {
    flex: 1;
}

.method-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 0.75rem;
}

.method-desc {
    font-size: 1.0625rem;
    color: var(--color-gray);
    margin-bottom: 1.5rem;
    line-height: 1.65;
}

.method-includes {
    list-style: none;
    padding: 0;
}

.method-includes li {
    padding: 0.625rem 0;
    padding-left: 1.75rem;
    position: relative;
    color: var(--color-dark);
    font-size: 0.9375rem;
}

.method-includes li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--color-secondary);
    border-radius: 50%;
}

.method-visual img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.section-applications {
    padding: 6rem 0;
    background: var(--color-gray-light);
}

.applications-list {
    margin-bottom: 3rem;
}

.application-row {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    padding: 2rem;
    background: var(--color-white);
    border-radius: 12px;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(120, 0, 255, 0.06);
    transition: var(--transition);
}

.application-row:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    transform: translateY(-2px);
}

.app-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: 12px;
    color: var(--color-white);
    font-size: 1.75rem;
    flex-shrink: 0;
}

.app-content {
    flex: 1;
}

.app-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 1rem;
}

.app-flow {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.flow-step {
    padding: 0.5rem 1rem;
    background: var(--color-gray-light);
    border-radius: 6px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-dark);
}

.app-flow i {
    color: var(--color-secondary);
    font-size: 1.125rem;
}

.app-output {
    font-size: 0.9375rem;
    color: var(--color-gray);
    line-height: 1.6;
}

.applications-visual img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.section-quality {
    padding: 6rem 0;
    background: var(--color-white);
}

.quality-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.quality-item {
    display: flex;
    gap: 1.5rem;
    padding: 2rem;
    background: var(--color-gray-light);
    border-radius: 12px;
    border: 1px solid rgba(120, 0, 255, 0.06);
    transition: var(--transition);
}

.quality-item:hover {
    border-color: rgba(120, 0, 255, 0.2);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.04);
}

.quality-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(120, 0, 255, 0.1), rgba(82, 144, 255, 0.1));
    border-radius: 10px;
    color: var(--color-primary);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.quality-content {
    flex: 1;
}

.quality-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 0.75rem;
}

.quality-desc {
    font-size: 0.9375rem;
    color: var(--color-gray);
    line-height: 1.6;
}

.section-faq {
    padding: 6rem 0;
    background: var(--color-gray-light);
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-white);
    border-radius: 8px;
    margin-bottom: 1rem;
    border: 1px solid rgba(0, 0, 0, 0.06);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item.active {
    border-color: var(--color-primary);
    box-shadow: 0 4px 16px rgba(120, 0, 255, 0.1);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 1.0625rem;
    color: var(--color-dark);
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--color-primary);
}

.faq-question i {
    color: var(--color-secondary);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer.active {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: var(--color-gray);
    line-height: 1.7;
}

.section-contact {
    padding: 6rem 0;
    background: var(--color-white);
}

.contact-info {
    padding-right: 2rem;
}

.contact-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 1rem;
}

.contact-intro {
    font-size: 1.125rem;
    color: var(--color-gray);
    margin-bottom: 3rem;
    line-height: 1.65;
}

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

.step-item {
    display: flex;
    gap: 1.5rem;
}

.step-number {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    border-radius: 10px;
    font-weight: 700;
    font-size: 1.125rem;
    flex-shrink: 0;
}

.step-text h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 0.5rem;
}

.step-text p {
    font-size: 0.9375rem;
    color: var(--color-gray);
    line-height: 1.6;
}

.contact-form-wrapper {
    background: var(--color-gray-light);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid rgba(120, 0, 255, 0.06);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--color-dark);
    margin-bottom: 0.5rem;
}

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 6px;
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: var(--transition);
    background: var(--color-white);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(120, 0, 255, 0.1);
}

.form-control::placeholder {
    color: var(--color-gray);
    opacity: 0.6;
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.error-message {
    display: block;
    color: #dc2626;
    font-size: 0.875rem;
    margin-top: 0.375rem;
}

.btn-submit {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    border: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 1.0625rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(120, 0, 255, 0.3);
}

.footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: 4rem 0 2rem;
}

.footer-main {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-column h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--color-white);
}

.footer-column p {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 0.875rem;
}

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: var(--transition);
}

.footer-column ul li a:hover {
    color: var(--color-tertiary);
}

.footer-column ul li i {
    margin-right: 0.5rem;
    color: var(--color-tertiary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

.cookie-notice {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    z-index: 9999;
    padding: 1.5rem 0;
    border-top: 2px solid var(--color-primary);
}

.cookie-notice.show {
    display: block;
    animation: slideUp 0.4s ease;
}

.cookie-notice.hide {
    animation: slideDown 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        transform: translateY(0);
    }
    to {
        transform: translateY(100%);
    }
}

.cookie-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.cookie-text h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-dark);
}

.cookie-text p {
    font-size: 0.9375rem;
    color: var(--color-gray);
    margin: 0;
}

.cookie-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.btn-accept {
    padding: 0.75rem 1.75rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-accept:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(120, 0, 255, 0.3);
}

.btn-decline {
    padding: 0.75rem 1.75rem;
    background: var(--color-gray-light);
    color: var(--color-dark);
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-decline:hover {
    background: var(--color-gray);
    color: var(--color-white);
}

.cookie-link {
    color: var(--color-primary);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
}

.cookie-link:hover {
    text-decoration: underline;
}

@media (max-width: 991px) {
    .nav-menu {
        display: none;
    }
    .nav-toggle {
        display: flex;
    }
    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-white);
        padding: 2rem;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    }
    .hero-title {
        font-size: 2.25rem;
    }
    .hero-subtitle {
        font-size: 1.125rem;
    }
    .flows-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .quality-list {
        grid-template-columns: 1fr;
    }
    .footer-main {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    .cookie-content {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 767px) {
    .hero-title {
        font-size: 1.875rem;
    }
    .section-title {
        font-size: 2rem;
    }
    .hero-actions {
        flex-direction: column;
    }
    .btn {
        width: 100%;
        text-align: center;
    }
    .message-points {
        flex-direction: column;
        align-items: center;
    }
    .method-item {
        flex-direction: column;
        gap: 1rem;
    }
    .application-row {
        flex-direction: column;
    }
    .footer-main {
        grid-template-columns: 1fr;
    }
    .cookie-actions {
        flex-direction: column;
        width: 100%;
    }
    .btn-accept,
    .btn-decline {
        width: 100%;
    }
}