:root {
    --color-night: #0F172A;
    --color-cyan: #22D3EE;
    --color-white: #F8FAFC;
    --color-slate: #111827;
    --color-coral: #FF6B6B;
    --font-primary: "Space Grotesk", "Inter", Arial, sans-serif;
    --font-secondary: "Sora", "Inter", Arial, sans-serif;
    --shadow-soft: 0 24px 60px rgba(15, 23, 42, 0.35);
    --shadow-glass: 0 18px 40px rgba(34, 211, 238, 0.15);
    --radius-lg: 32px;
    --radius-md: 20px;
    --radius-sm: 12px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    margin: 0;
    font-family: var(--font-primary);
    background: linear-gradient(140deg, rgba(15, 23, 42, 0.94) 0%, rgba(17, 24, 39, 0.88) 55%, rgba(15, 23, 42, 1) 100%);
    color: var(--color-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-cyan);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover,
a:focus {
    color: var(--color-coral);
}

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

.container {
    width: min(1120px, 90%);
    margin: 0 auto;
}

.section {
    padding: 110px 0;
}

.section-light {
    background: rgba(248, 250, 252, 0.05);
}

.section-glass {
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(18px);
    border: 1px solid rgba(248, 250, 252, 0.08);
}

.section h2 {
    font-family: var(--font-secondary);
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    margin-bottom: 24px;
    color: var(--color-white);
    letter-spacing: -0.02em;
}

.section p.lead {
    font-size: 1.2rem;
    color: rgba(248, 250, 252, 0.82);
    max-width: 760px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 999;
    background: rgba(15, 23, 42, 0.92);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(248, 250, 252, 0.05);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    padding: 22px 0;
}

.site-logo {
    width: 50px;
    height: auto;
}

.logo-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    color: var(--color-white);
}

#nav-toggle {
    display: none;
}

.nav-toggle-label {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 10px;
}

.nav-toggle-label span {
    width: 26px;
    height: 2px;
    background: var(--color-white);
}

.main-navigation ul {
    list-style: none;
    display: flex;
    gap: 32px;
    margin: 0;
    padding: 0;
}

.main-navigation a {
    font-weight: 500;
    color: rgba(248, 250, 252, 0.86);
}

.main-navigation a.current {
    color: var(--color-cyan);
}

.mobile-menu {
    display: none;
}

.hero {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 48px;
    align-items: center;
}

.hero h1 {
    font-family: var(--font-secondary);
    font-size: clamp(2.8rem, 5vw, 3.8rem);
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}

.hero .hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
    margin-top: 32px;
}

.hero .hero-meta-item {
    flex: 1;
    min-width: 200px;
    padding: 22px;
    background: rgba(248, 250, 252, 0.05);
    border-radius: var(--radius-md);
    border: 1px solid rgba(34, 211, 238, 0.12);
}

.hero .hero-meta-item strong {
    display: block;
    font-size: 1.2rem;
    color: var(--color-cyan);
    margin-bottom: 6px;
}

.glass-panel {
    padding: 36px;
    border-radius: var(--radius-lg);
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(248, 250, 252, 0.08);
    box-shadow: var(--shadow-glass);
}

.grid {
    display: grid;
    gap: 28px;
}

.grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
    padding: 32px;
    border-radius: var(--radius-md);
    background: rgba(17, 24, 39, 0.65);
    border: 1px solid rgba(248, 250, 252, 0.07);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.card:hover {
    transform: translateY(-6px);
    border-color: rgba(34, 211, 238, 0.4);
}

.card h3 {
    font-family: var(--font-secondary);
    font-size: 1.45rem;
    margin-bottom: 16px;
    color: var(--color-white);
}

.card p {
    color: rgba(248, 250, 252, 0.78);
    margin-bottom: 18px;
}

.card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.card ul li {
    position: relative;
    padding-left: 22px;
    margin-bottom: 12px;
    color: rgba(248, 250, 252, 0.75);
}

.card ul li::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-cyan);
    position: absolute;
    left: 0;
    top: 8px;
}

.timeline {
    border-left: 2px solid rgba(34, 211, 238, 0.4);
    padding-left: 28px;
    display: grid;
    gap: 28px;
}

.timeline-step {
    position: relative;
    padding-left: 24px;
}

.timeline-step::before {
    content: "";
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-cyan);
    box-shadow: 0 0 0 6px rgba(34, 211, 238, 0.15);
    position: absolute;
    left: -36px;
    top: 4px;
}

.timeline-step h3 {
    margin: 0 0 8px;
    font-size: 1.3rem;
    color: var(--color-white);
}

.metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
}

.metric-item {
    padding: 28px;
    border-radius: var(--radius-md);
    background: rgba(17, 24, 39, 0.7);
    border: 1px solid rgba(34, 211, 238, 0.1);
}

.metric-item strong {
    display: block;
    font-size: 2.5rem;
    font-family: var(--font-secondary);
    color: var(--color-cyan);
}

.faq-list {
    display: grid;
    gap: 22px;
}

.faq-item {
    padding: 26px 28px;
    border-radius: var(--radius-md);
    background: rgba(248, 250, 252, 0.05);
    border: 1px solid rgba(248, 250, 252, 0.04);
}

.faq-item h3 {
    margin: 0 0 12px;
    font-size: 1.3rem;
    font-family: var(--font-secondary);
}

.form-card {
    padding: 40px;
    border-radius: var(--radius-lg);
    background: rgba(17, 24, 39, 0.72);
    border: 1px solid rgba(248, 250, 252, 0.06);
    box-shadow: var(--shadow-soft);
}

form {
    display: grid;
    gap: 22px;
}

.form-row {
    display: grid;
    gap: 22px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: rgba(248, 250, 252, 0.82);
}

input,
textarea,
select {
    width: 100%;
    padding: 16px 18px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(248, 250, 252, 0.15);
    background: rgba(15, 23, 42, 0.6);
    color: var(--color-white);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-cyan);
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.2);
}

textarea {
    min-height: 160px;
    resize: vertical;
}

.button-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    border: none;
    border-radius: 999px;
    padding: 16px 32px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    background: linear-gradient(135deg, var(--color-cyan), var(--color-coral));
    color: var(--color-white);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.button-primary:hover,
.button-primary:focus {
    transform: translateY(-3px);
    box-shadow: 0 18px 30px rgba(34, 211, 238, 0.2);
}

.footer {
    padding: 70px 0 40px;
    background: rgba(17, 24, 39, 0.82);
    border-top: 1px solid rgba(248, 250, 252, 0.08);
}

.footer-top {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 36px;
    margin-bottom: 40px;
}

.footer h4 {
    font-family: var(--font-secondary);
    font-size: 1.15rem;
    margin-bottom: 16px;
    color: var(--color-white);
}

.footer p,
.footer a,
.footer li {
    color: rgba(248, 250, 252, 0.75);
    font-size: 0.97rem;
}

.footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 12px;
}

.footer-logo {
    width: 100px;
    margin-bottom: 16px;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
    border-top: 1px solid rgba(248, 250, 252, 0.05);
    padding-top: 22px;
    font-size: 0.85rem;
    color: rgba(248, 250, 252, 0.6);
}

.cookie-banner {
    position: fixed;
    bottom: 24px;
    right: 24px;
    max-width: 360px;
    background: rgba(17, 24, 39, 0.95);
    border: 1px solid rgba(248, 250, 252, 0.1);
    border-radius: var(--radius-md);
    padding: 26px;
    color: var(--color-white);
    box-shadow: var(--shadow-soft);
    z-index: 9999;
    display: none;
}

.cookie-banner.active {
    display: block;
}

.cookie-banner p {
    margin: 0 0 18px;
    font-size: 0.95rem;
    color: rgba(248, 250, 252, 0.82);
}

.cookie-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.cookie-button {
    flex: 1;
    padding: 10px 18px;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: opacity 0.3s ease;
}

.cookie-button.accept {
    background: var(--color-cyan);
    color: var(--color-night);
}

.cookie-button.settings {
    background: rgba(248, 250, 252, 0.1);
    color: var(--color-white);
}

.cookie-button:hover,
.cookie-button:focus {
    opacity: 0.85;
}

.keywords-grid {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    margin-top: 36px;
}

.keyword-item {
    padding: 18px 20px;
    border-radius: var(--radius-sm);
    background: rgba(248, 250, 252, 0.04);
    color: rgba(248, 250, 252, 0.78);
    border: 1px solid rgba(34, 211, 238, 0.18);
    font-weight: 500;
    letter-spacing: 0.01em;
}

.info-list {
    display: grid;
    gap: 12px;
}

.info-item {
    padding: 18px 20px;
    border-radius: var(--radius-sm);
    background: rgba(248, 250, 252, 0.05);
    border: 1px solid rgba(248, 250, 252, 0.05);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 999px;
    background: rgba(34, 211, 238, 0.16);
    color: var(--color-cyan);
    font-size: 0.88rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 28px;
}

.table th,
.table td {
    padding: 18px 22px;
    border: 1px solid rgba(248, 250, 252, 0.08);
    text-align: left;
    font-size: 0.95rem;
    color: rgba(248, 250, 252, 0.8);
}

.table th {
    background: rgba(17, 24, 39, 0.7);
    font-weight: 600;
    color: var(--color-white);
}

.alert {
    padding: 18px 20px;
    border-radius: var(--radius-sm);
    background: rgba(255, 107, 107, 0.12);
    border: 1px solid rgba(255, 107, 107, 0.3);
    color: rgba(255, 209, 209, 0.92);
    margin-bottom: 24px;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.tag {
    padding: 10px 16px;
    border-radius: 999px;
    background: rgba(248, 250, 252, 0.08);
    color: rgba(248, 250, 252, 0.8);
    font-size: 0.85rem;
}

@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
    }

    .grid-3,
    .grid-4,
    .metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .footer-top {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header-inner {
        padding: 18px 0;
    }

    .nav-toggle-label {
        display: flex;
    }

    .main-navigation {
        display: none;
    }

    .mobile-menu {
        position: fixed;
        inset: 0;
        background: rgba(15, 23, 42, 0.98);
        padding: 26px;
        display: none;
        flex-direction: column;
        gap: 32px;
        z-index: 998;
    }

    #nav-toggle:checked ~ .mobile-menu {
        display: flex;
    }

    .mobile-menu-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-size: 1.2rem;
        font-weight: 600;
        color: var(--color-white);
    }

    .mobile-close {
        font-size: 2rem;
        line-height: 1;
        cursor: pointer;
        color: var(--color-white);
    }

    .mobile-menu ul {
        list-style: none;
        padding: 0;
        margin: 0;
        display: grid;
        gap: 22px;
    }

    .mobile-menu a {
        font-size: 1.5rem;
        font-weight: 600;
        color: rgba(248, 250, 252, 0.92);
    }

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

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .hero .hero-meta-item {
        min-width: 100%;
    }

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

    .cookie-banner {
        left: 16px;
        right: 16px;
        bottom: 16px;
        width: auto;
    }
}

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

    .hero h1 {
        font-size: 2.4rem;
    }

    .form-card {
        padding: 28px;
    }

    .button-primary {
        width: 100%;
    }
}