:root {
    --color-primary: #0B2A2F;
    --color-secondary: #2F6F73;
    --color-tertiary: #5EC2BE;
    --color-quaternary: #CFEFF0;
    --color-accent: #5EC2BE;
    --color-white: #ffffff;
    --color-gray-light: #f8f9fa;
    --color-gray: #6c757d;
    --color-dark: #2B2E30;
    --font-primary: 'Inter', sans-serif;
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-dark);
    background: var(--color-white);
    overflow-x: hidden;
}

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

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

.navbar-fixed {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(47, 111, 115, 0.08);
    z-index: 1000;
    padding: 0.75rem 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

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

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--color-secondary);
}

.navbar-logo svg {
    width: 32px;
    height: 32px;
}

.navbar-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.navbar-menu a {
    color: var(--color-dark);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
}

.navbar-menu a:hover {
    color: var(--color-secondary);
    border-bottom-color: var(--color-tertiary);
}

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(11, 42, 47, 0.05) 0%, rgba(94, 194, 190, 0.08) 100%);
    position: relative;
    padding: 8rem 0 4rem;
    text-align: center;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
            radial-gradient(circle at 20% 30%, rgba(47, 111, 115, 0.03) 0%, transparent 50%),
            radial-gradient(circle at 80% 70%, rgba(94, 194, 190, 0.04) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.hero-content h1 {
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--color-gray);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

.section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 3rem;
    text-align: center;
}

.observation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.observation-item {
    text-align: center;
}

.observation-icon {
    font-size: 3rem;
    color: var(--color-tertiary);
    margin-bottom: 1.5rem;
}

.observation-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: 0.75rem;
}

.observation-item p {
    font-size: 0.95rem;
    color: var(--color-gray);
    line-height: 1.6;
}

.system-flow {
    background: var(--color-quaternary);
    padding: 4rem 0;
}

.flow-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.flow-step {
    flex: 1;
    min-width: 180px;
    text-align: center;
    position: relative;
}

.flow-step:not(:last-child)::after {
    content: '→';
    position: absolute;
    right: -1.5rem;
    top: 2rem;
    font-size: 1.5rem;
    color: var(--color-secondary);
}

.flow-icon {
    width: 64px;
    height: 64px;
    background: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.75rem;
    color: var(--color-secondary);
    box-shadow: 0 4px 12px rgba(47, 111, 115, 0.1);
}

.flow-step h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
}

.dynamics-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.dynamics-image {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(11, 42, 47, 0.12);
}

.dynamics-stack {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.dynamics-feature {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.dynamics-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-tertiary) 0%, var(--color-secondary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-white);
    flex-shrink: 0;
}

.dynamics-feature h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.dynamics-feature p {
    font-size: 0.9rem;
    color: var(--color-gray);
    line-height: 1.6;
}

.usage-list {
    max-width: 700px;
    margin: 0 auto;
}

.usage-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid rgba(47, 111, 115, 0.1);
}

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

.usage-icon {
    font-size: 1.5rem;
    color: var(--color-tertiary);
}

.usage-item h4 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-secondary);
}

.trust-block {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    padding: 4rem 0;
    text-align: center;
    color: var(--color-white);
}

.trust-icon {
    font-size: 4rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.trust-block p {
    font-size: 1.15rem;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

.value-intermission {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(207, 239, 240, 0.3) 0%, rgba(94, 194, 190, 0.15) 100%);
    text-align: center;
}

.value-intermission h2 {
    font-size: 2.75rem;
    font-weight: 300;
    color: var(--color-primary);
    max-width: 800px;
    line-height: 1.3;
}

.contact-section {
    background: var(--color-gray-light);
    padding: 5rem 0;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: center;
}

.contact-info {
    text-align: center;
}

.contact-icon {
    font-size: 4rem;
    color: var(--color-tertiary);
    margin-bottom: 1.5rem;
}

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--color-gray);
    font-size: 0.95rem;
}
.navbar-burger {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-secondary);
    cursor: pointer;
    padding: 0.5rem;
}

@media (max-width: 968px) {
    .navbar-burger {
        display: block;
    }

    .navbar-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--color-white);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        transition: left 0.3s ease;
        z-index: 999;
    }

    .navbar-menu.active {
        left: 0;
    }
}
.contact-form {
    background: var(--color-white);
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color-dark);
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 1px solid rgba(47, 111, 115, 0.2);
    border-radius: 4px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-tertiary);
    box-shadow: 0 0 0 3px rgba(94, 194, 190, 0.1);
}

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

.error-message {
    color: #dc3545;
    font-size: 0.85rem;
    margin-top: 0.25rem;
    display: block;
}

.btn-submit {
    background: linear-gradient(135deg, var(--color-tertiary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(94, 194, 190, 0.3);
}

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

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.footer-logo svg {
    width: 32px;
    height: 32px;
}

.footer-about p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-links h4 {
    margin-bottom: 1rem;
    font-size: 1rem;
    font-weight: 600;
}

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

.footer-links ul li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--color-tertiary);
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
}

.cookie-notice {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
    z-index: 9999;
    display: none;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.cookie-notice.show {
    transform: translateY(0);
}

.cookie-notice.hide {
    transform: translateY(100%);
}

.cookie-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.cookie-text p {
    color: var(--color-dark);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

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

.cookie-buttons {
    display: flex;
    gap: 1rem;
    flex-shrink: 0;
}

.cookie-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.cookie-btn-accept {
    background: var(--color-tertiary);
    color: var(--color-white);
}

.cookie-btn-accept:hover {
    background: var(--color-secondary);
}

.cookie-btn-decline {
    background: transparent;
    color: var(--color-secondary);
    border: 1px solid var(--color-secondary);
}

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

@media (max-width: 968px) {
    .navbar-menu {
        gap: 1rem;
        font-size: 0.9rem;
    }

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

    .dynamics-section {
        grid-template-columns: 1fr;
    }

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

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

    .flow-step:not(:last-child)::after {
        display: none;
    }

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

    .value-intermission h2 {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .section {
        padding: 3rem 0;
    }

    .hero-content h1 {
        font-size: 1.75rem;
    }

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

    .observation-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .navbar-menu {
        flex-wrap: wrap;
        gap: 0.75rem;
        justify-content: center;
    }

    .section-title {
        font-size: 1.5rem;
    }
}