:root {
    --color-primary: #2ea3f2;
    --color-primary-dark: #1f8fd9;
    --color-accent: #82c0c7;
    --color-text: #4a4a4a;
    --color-text-muted: #666;
    --color-heading: #2b2b2b;
    --color-bg: #ffffff;
    --color-bg-alt: #f5f8fa;
    --color-border: #dde4ea;
    --color-footer: #eef3f7;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    --radius: 8px;
    --font-scale: 1;
    --max-width: 1120px;
    --line-height: 1.7;
}

[data-theme="dark"] {
    --color-primary: #5cb8ff;
    --color-primary-dark: #3da8f5;
    --color-accent: #8fd4da;
    --color-text: #d8dee6;
    --color-text-muted: #b0bac5;
    --color-heading: #f0f4f8;
    --color-bg: #121820;
    --color-bg-alt: #1a2330;
    --color-border: #2d3a4d;
    --color-footer: #0f151d;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
}

[data-font-size="small"] { --font-scale: 0.9; }
[data-font-size="normal"] { --font-scale: 1; }
[data-font-size="large"] { --font-scale: 1.15; }

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

html {
    scroll-behavior: smooth;
    height: 100%;
}

body {
    margin: 0;
    min-height: 100%;
    display: flex;
    flex-direction: column;
    font-family: "Open Sans", "Segoe UI", Roboto, Arial, sans-serif;
    font-size: calc(1rem * var(--font-scale));
    line-height: var(--line-height);
    color: var(--color-text);
    background: var(--color-bg);
    transition: background-color 0.2s, color 0.2s;
}

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

a {
    color: var(--color-primary);
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
}

a:hover, a:focus-visible {
    color: var(--color-primary-dark);
}

h1, h2, h3 {
    color: var(--color-heading);
    line-height: 1.3;
    margin: 0 0 0.75em;
}

h1 { font-size: calc(2rem * var(--font-scale)); }
h2 { font-size: calc(1.5rem * var(--font-scale)); }
h3 { font-size: calc(1.2rem * var(--font-scale)); }

p { margin: 0 0 1em; }

.container {
    width: min(100% - 2rem, var(--max-width));
    margin-inline: auto;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    left: 1rem;
    top: -3rem;
    background: var(--color-primary);
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    z-index: 10000;
}

.skip-link:focus {
    top: 1rem;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.75rem 0;
}

.logo-link img {
    width: min(220px, 55vw);
    height: auto;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 0.5rem;
    cursor: pointer;
}

.nav-toggle-bar {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-heading);
}

.main-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.25rem 1rem;
}

.main-nav a,
.theme-toggle {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 600;
    padding: 0.35rem 0.25rem;
}

.main-nav a:hover,
.main-nav a:focus-visible,
.main-nav a[aria-current="page"] {
    color: var(--color-primary);
}

.theme-toggle {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
}

.site-main {
    flex: 1 0 auto;
    padding: 2rem 0 3rem;
}

.page-heading {
    margin-bottom: 1.5rem;
}

.hero {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 2rem;
    align-items: center;
    margin-bottom: 2.5rem;
}

.hero-image img {
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.hero-text h1 {
    margin-bottom: 0.5em;
}

.focus-line {
    font-weight: 600;
    color: var(--color-primary);
}

.content-section {
    margin-bottom: 2.5rem;
}

.lead {
    font-size: calc(1.1rem * var(--font-scale));
}

.highlight-box {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
}

.service-card {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.service-card h3 {
    margin: 0;
    font-size: calc(1.05rem * var(--font-scale));
}

.service-card h3 a {
    color: inherit;
    text-decoration: none;
}

.service-card h3 a:hover,
.service-card h3 a:focus-visible {
    color: var(--color-primary);
}

.btn {
    display: inline-block;
    background: var(--color-primary);
    color: #fff !important;
    border: none;
    border-radius: var(--radius);
    padding: 0.65rem 1.2rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    font-size: inherit;
}

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

.btn-secondary {
    background: transparent;
    color: var(--color-primary) !important;
    border: 1px solid var(--color-primary);
}

.btn-secondary:hover, .btn-secondary:focus-visible {
    background: var(--color-primary);
    color: #fff !important;
}

.content-list, .steps-list {
    padding-left: 1.25rem;
    margin: 0 0 1.5rem;
}

.content-list li, .steps-list li {
    margin-bottom: 0.5rem;
}

.page-image {
    margin: 0 0 1.5rem;
}

.page-image img {
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.image-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.pricing-box {
    background: var(--color-bg-alt);
    border-left: 4px solid var(--color-accent);
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    margin: 1.5rem 0;
}

.back-link {
    display: inline-block;
    margin-bottom: 1rem;
}

.contact-form {
    max-width: 560px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem 1.1rem 1.1rem;
}

.contact-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.65rem 0.85rem;
}

.form-group-wide {
    grid-column: 1 / -1;
}

.form-required-note {
    margin: 0 0 0.75rem;
    font-size: 0.82em;
    color: var(--color-text-muted);
}

.form-group {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.92em;
    margin-bottom: 0.25rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.5rem 0.65rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-bg);
    color: var(--color-text);
    font: inherit;
}

.form-group textarea {
    resize: vertical;
    min-height: 5.5rem;
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-top: 0.85rem;
    padding-top: 0.85rem;
    border-top: 1px solid var(--color-border);
}

.form-actions .form-note {
    margin: 0;
    flex: 1 1 12rem;
}

.form-group input:focus-visible,
.form-group textarea:focus-visible,
button:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

.req {
    font-weight: 700;
    color: var(--color-primary);
}

.form-note {
    color: var(--color-text-muted);
    font-size: 0.92em;
}

.form-message {
    padding: 0.85rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
}

.form-message.success {
    background: #e8f7ee;
    border: 1px solid #8fd0a5;
    color: #1f5f36;
}

.form-message.error {
    background: #fdeeee;
    border: 1px solid #e8a0a0;
    color: #7a1f1f;
}

[data-theme="dark"] .form-message.success {
    background: #163322;
    border-color: #2f7a4f;
    color: #b8e8c8;
}

[data-theme="dark"] .form-message.error {
    background: #3a1a1a;
    border-color: #8a3f3f;
    color: #f0c0c0;
}

.hp-field {
    position: absolute;
    left: -9999px;
    height: 0;
    overflow: hidden;
}

.location-box address {
    font-style: normal;
    margin: 0 0 0.75em;
    line-height: 1.6;
}

.phone-note {
    margin: 0 0 1em;
    padding: 0.85em 1em;
    max-width: 42rem;
    color: var(--color-text-muted);
    font-size: 0.95em;
    line-height: 1.55;
    background: var(--color-bg-alt);
    border-left: 3px solid var(--color-accent);
    border-radius: 0 var(--radius) var(--radius) 0;
}

.legal-notice,
.footer-legal {
    color: var(--color-text-muted);
    font-size: 0.92em;
}

.site-footer {
    flex-shrink: 0;
    margin-top: auto;
    background: var(--color-footer);
    border-top: 1px solid var(--color-border);
    padding: 1rem 0 1.25rem;
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    font-size: 0.88rem;
    color: var(--color-text-muted);
}

.footer-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem 1rem;
}

.footer-meta p {
    margin: 0;
}

.accessibility-bar {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    flex-wrap: wrap;
}

.accessibility-label {
    color: var(--color-text-muted);
}

.font-btn {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    border-radius: 4px;
    padding: 0.15rem 0.45rem;
    font-size: 0.78rem;
    cursor: pointer;
}

.font-btn.active,
.font-btn:hover,
.font-btn:focus-visible {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.cookie-banner {
    position: fixed;
    inset: auto 0 0 0;
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.12);
    z-index: 2000;
    padding: 1rem;
}

.cookie-banner[hidden] {
    display: none;
}

.cookie-inner {
    width: min(100% - 2rem, var(--max-width));
    margin-inline: auto;
}

.cookie-inner h2 {
    font-size: calc(1rem * var(--font-scale));
    margin-bottom: 0.35rem;
}

.cookie-inner p {
    font-size: 0.92em;
    margin-bottom: 0.75rem;
}

.cookie-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

@media (max-width: 640px) {
    .contact-form-grid {
        grid-template-columns: 1fr;
    }

    .form-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .form-actions .btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 860px) {
    .hero {
        grid-template-columns: 1fr;
    }

    .nav-toggle {
        display: flex;
    }

    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        display: none;
        padding: 0.75rem 1rem 1rem;
    }

    .main-nav.open {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}