:root {
    --color-primary: #008080;
    --color-primary-dark: #006666;
    --color-secondary: #F0FFFF;
    --color-neutral: #F5F5F5;
    --color-dark: #1F2933;
    --color-muted: #4C5D6C;
    --color-white: #FFFFFF;
    --gradient-hero: linear-gradient(135deg, rgba(0,128,128,0.85), rgba(240,255,255,0.95));
    --gradient-card: linear-gradient(160deg, rgba(240,255,255,0.9), rgba(0,128,128,0.1));
    --shadow-soft: 0 24px 48px rgba(31, 41, 51, 0.08);
    --shadow-hover: 0 24px 60px rgba(0, 128, 128, 0.18);
    --shadow-header: 0 12px 32px rgba(31, 41, 51, 0.12);
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 12px;
    --space-xxs: 0.5rem;
    --space-xs: 0.75rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-xxl: 6rem;
    --font-heading: "Open Sans", "Segoe UI", sans-serif;
    --font-body: "Roboto", "Segoe UI", sans-serif;
    --transition-base: all 0.3s ease;
    --container-width: 1200px;
    --font-scale-xs: clamp(0.875rem, 0.8rem + 0.3vw, 1rem);
    --font-scale-sm: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
    --font-scale-md: clamp(1.125rem, 1rem + 0.8vw, 1.25rem);
    --font-scale-lg: clamp(1.5rem, 1.2rem + 1.5vw, 2.25rem);
    --font-scale-xl: clamp(2rem, 1.8rem + 2vw, 3.5rem);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--color-dark);
    background: var(--color-neutral);
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

img {
    max-width: 100%;
    display: block;
    border-radius: var(--radius-md);
    object-fit: cover;
}

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

p {
    font-size: var(--font-scale-sm);
    color: var(--color-muted);
    margin-bottom: var(--space-sm);
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--color-dark);
    line-height: 1.25;
}

.container {
    width: min(100%, var(--container-width));
    margin: 0 auto;
    padding: 0 var(--space-sm);
}

.grid {
    display: grid;
    gap: var(--space-md);
}

.grid.featured-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-lg);
}

.flex {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(18px);
    background: rgba(255, 255, 255, 0.92);
    box-shadow: var(--shadow-header);
}

.site-header .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) 0;
}

.logo {
    font-weight: 800;
    font-size: 1.35rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: var(--space-xxs);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.main-nav a {
    font-size: var(--font-scale-xs);
    font-weight: 600;
    padding: var(--space-xxs) var(--space-sm);
    border-radius: var(--radius-sm);
    color: var(--color-muted);
}

.main-nav a:hover,
.main-nav a:focus {
    color: var(--color-primary);
    background: rgba(0, 128, 128, 0.08);
}

.nav-toggle {
    display: none;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    width: 46px;
    height: 46px;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    cursor: pointer;
}

main {
    flex: 1;
}

.page-hero {
    padding: var(--space-xl) 0 var(--space-xxl);
    background: var(--color-white);
}

.page-hero.homepage-hero {
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.page-hero.homepage-hero::after {
    content: "";
    position: absolute;
    inset: 15% -20% -35%;
    background: radial-gradient(circle at top right, rgba(0,128,128,0.25), transparent 60%);
    transform: rotate(12deg);
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    gap: var(--space-lg);
    align-items: center;
}

.hero-lead {
    max-width: 560px;
}

.hero-lead h1 {
    font-size: var(--font-scale-xl);
    margin-bottom: var(--space-sm);
}

.hero-lead p {
    font-size: var(--font-scale-md);
    color: var(--color-dark);
    margin-bottom: var(--space-md);
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    padding: var(--space-xs) var(--space-md);
    font-weight: 600;
    font-size: var(--font-scale-xs);
    letter-spacing: 0.03em;
    cursor: pointer;
    transition: var(--transition-base);
    border: none;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-soft);
}

.btn-primary:hover,
.btn-primary:focus {
    background: var(--color-primary-dark);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.75);
    color: var(--color-primary-dark);
    border: 1px solid rgba(0, 128, 128, 0.2);
}

.btn-secondary:hover,
.btn-secondary:focus {
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-2px);
}

.hero-media {
    position: relative;
    padding: var(--space-lg);
}

.hero-media::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.35);
    border-radius: var(--radius-lg);
    transform: rotate(5deg);
}

.hero-media img {
    position: relative;
    z-index: 2;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.section {
    padding: var(--space-xxl) 0;
}

.section.accent {
    background: var(--color-secondary);
}

.section .section-header {
    max-width: 760px;
    margin-bottom: var(--space-xl);
}

.section .section-header h2 {
    font-size: var(--font-scale-lg);
    margin-bottom: var(--space-xs);
}

.section .section-header p {
    font-size: var(--font-scale-sm);
}

.card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--gradient-card);
    opacity: 0.65;
    z-index: 0;
}

.card > * {
    position: relative;
    z-index: 1;
}

.card h3 {
    font-size: clamp(1.35rem, 1.2rem + 0.6vw, 1.75rem);
    margin-bottom: var(--space-sm);
}

.card p {
    font-size: var(--font-scale-xs);
    margin-bottom: var(--space-sm);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xxs);
    background: rgba(0, 128, 128, 0.12);
    color: var(--color-primary);
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.stat {
    background: var(--color-white);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-soft);
}

.stat h4 {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.list {
    display: grid;
    gap: var(--space-xs);
}

.list li {
    list-style: none;
    font-size: var(--font-scale-xs);
    display: flex;
    align-items: flex-start;
    gap: var(--space-xs);
}

.list li::before {
    content: "•";
    color: var(--color-primary);
    font-weight: bold;
    font-size: 1.5rem;
    line-height: 1;
}

.testimonial-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-soft);
}

.testimonial-card blockquote {
    font-size: var(--font-scale-sm);
    font-style: italic;
    color: var(--color-dark);
    margin-bottom: var(--space-md);
}

.testimonial-card cite {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    display: block;
}

.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
}

.table-wrapper table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-white);
}

.table-wrapper th,
.table-wrapper td {
    padding: var(--space-sm);
    border-bottom: 1px solid rgba(31,41,51,0.08);
    text-align: left;
    font-size: var(--font-scale-xs);
    color: var(--color-muted);
}

.table-wrapper th {
    background: rgba(0,128,128,0.08);
    color: var(--color-primary);
}

.form-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-soft);
}

.form-group {
    display: grid;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

label {
    font-weight: 600;
    color: var(--color-dark);
    font-size: var(--font-scale-xs);
}

input, select, textarea {
    border: 1px solid rgba(31, 41, 51, 0.15);
    border-radius: var(--radius-sm);
    padding: var(--space-xs);
    font-size: var(--font-scale-xs);
    font-family: var(--font-body);
    background: rgba(255,255,255,0.95);
    transition: var(--transition-base);
    min-height: 48px;
}

textarea {
    min-height: 140px;
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    outline: 2px solid rgba(0,128,128,0.25);
    border-color: var(--color-primary);
    background: rgba(240,255,255,0.6);
}

.site-footer {
    background: var(--color-dark);
    color: rgba(255,255,255,0.85);
    padding: var(--space-xl) 0 var(--space-lg);
}

.site-footer .footer-grid {
    display: grid;
    gap: var(--space-lg);
}

.site-footer h4 {
    color: var(--color-white);
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
}

.footer-nav a {
    display: block;
    color: rgba(255,255,255,0.75);
    margin-bottom: var(--space-xxs);
    font-size: 0.95rem;
}

.footer-nav a:hover,
.footer-nav a:focus {
    color: var(--color-secondary);
}

.footer-contacts a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-secondary);
    font-weight: 600;
    font-size: 1.05rem;
    margin-right: var(--space-md);
}

.footer-bottom {
    margin-top: var(--space-lg);
    padding-top: var(--space-sm);
    border-top: 1px solid rgba(255,255,255,0.08);
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--space-xs);
}

.cookie-banner {
    position: fixed;
    bottom: var(--space-sm);
    left: 50%;
    transform: translateX(-50%);
    width: min(95%, 520px);
    background: rgba(31,41,51,0.92);
    color: var(--color-white);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    display: none;
    flex-direction: column;
    gap: var(--space-sm);
    z-index: 9999;
}

.cookie-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.cookie-actions button {
    flex: 1;
    min-width: 120px;
}

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

.highlight-card {
    background: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    display: grid;
    gap: var(--space-lg);
}

.timeline {
    display: grid;
    gap: var(--space-md);
    position: relative;
}

.timeline::before {
    content: "";
    position: absolute;
    top: 8px;
    left: 12px;
    bottom: 8px;
    width: 2px;
    background: rgba(0,128,128,0.2);
}

.timeline-step {
    display: grid;
    gap: var(--space-xs);
    padding-left: 2.5rem;
    position: relative;
}

.timeline-step::before {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-primary);
    top: 7px;
    left: 4px;
    box-shadow: 0 0 0 6px rgba(0,128,128,0.15);
}

.faq-item {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    box-shadow: var(--shadow-soft);
}

.faq-item h3 {
    font-size: 1.1rem;
    margin-bottom: var(--space-xs);
}

.two-column {
    display: grid;
    gap: var(--space-lg);
}

.two-column.dual {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

blockquote.feature {
    font-size: clamp(1.1rem, 1rem + 0.5vw, 1.35rem);
    font-style: italic;
    color: var(--color-dark);
    border-left: 4px solid var(--color-primary);
    padding-left: var(--space-md);
    margin: var(--space-lg) 0;
}

ul.checklist {
    list-style: none;
    display: grid;
    gap: var(--space-xs);
}

ul.checklist li {
    position: relative;
    padding-left: 1.75rem;
    font-size: var(--font-scale-xs);
    color: var(--color-muted);
}

ul.checklist li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--color-primary);
    font-weight: 700;
}

.thank-you {
    text-align: center;
    padding: var(--space-xxl) var(--space-sm);
}

.thank-you h1 {
    font-size: var(--font-scale-lg);
    margin-bottom: var(--space-md);
}

.thank-you p {
    font-size: var(--font-scale-sm);
    margin-bottom: var(--space-lg);
}

#contact-section .contact-links a {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-primary);
    font-weight: 600;
    font-size: var(--font-scale-sm);
}

.card:hover,
.testimonial-card:hover,
.faq-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

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

    .hero-media::before {
        display: none;
    }

    .hero-media {
        padding: var(--space-sm);
    }
}

@media (max-width: 820px) {
    .main-nav {
        position: fixed;
        inset: 0;
        background: rgba(31,41,51,0.95);
        flex-direction: column;
        justify-content: center;
        gap: var(--space-lg);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition-base);
    }

    .main-nav a {
        color: var(--color-white);
        font-size: 1.25rem;
    }

    .main-nav.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

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

    body.nav-open {
        overflow: hidden;
    }

    .section {
        padding: var(--space-xl) 0;
    }

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

@media (max-width: 480px) {
    .hero-lead h1 {
        font-size: clamp(1.85rem, 1.5rem + 3vw, 2.45rem);
    }

    .footer-contacts a {
        margin-right: 0;
        display: block;
        margin-bottom: var(--space-xs);
    }

    .cookie-banner {
        padding: var(--space-sm);
    }
}