:root {
    --color-bg: #f4f7fb;
    --color-surface: #ffffff;
    --color-surface-alt: #eaf0f6;
    --color-text: #173047;
    --color-text-muted: #506273;
    --color-border: #c9d6e2;
    --color-primary: #0d5c91;
    --color-primary-dark: #08476f;
    --color-accent: #f28c28;
    --color-success-bg: #eaf7ef;
    --color-success-text: #1c5f37;
    --color-error-bg: #fbecec;
    --color-error-text: #8b2430;
    --shadow-soft: 0 18px 40px rgba(23, 48, 71, 0.08);
    --shadow-card: 0 10px 24px rgba(23, 48, 71, 0.08);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 8px;
    --site-width: 1120px;
    --header-height: 80px;
    --font-stack: "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    font-family: var(--font-stack);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
}

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

a {
    color: var(--color-primary);
}

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

p,
ul,
h1,
h2,
h3 {
    margin-top: 0;
}

h1,
h2,
h3 {
    line-height: 1.2;
}

ul {
    padding-left: 1.2rem;
}

.skip-link {
    position: absolute;
    left: 1rem;
    top: -3rem;
    z-index: 1000;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    background: var(--color-text);
    color: #ffffff;
    text-decoration: none;
}

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid rgba(201, 214, 226, 0.85);
    backdrop-filter: blur(12px);
}

.site-header.is-scrolled {
    box-shadow: 0 8px 24px rgba(23, 48, 71, 0.08);
}

.site-header__inner,
.section-shell,
.site-footer__inner {
    width: min(calc(100% - 2rem), var(--site-width));
    margin: 0 auto;
}

.site-header__inner {
    min-height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.site-brand {
    display: inline-flex;
    flex-direction: column;
    gap: 0.125rem;
    text-decoration: none;
    color: inherit;
}

.site-brand__name {
    font-size: 1.1rem;
    font-weight: 700;
}

.site-brand__tag {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.site-nav__list {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin: 0;
    padding: 0;
}

.site-nav a {
    font-weight: 600;
    text-decoration: none;
}

.hero {
    padding: 4.5rem 0 3.5rem;
    background:
        radial-gradient(circle at top right, rgba(13, 92, 145, 0.11), transparent 36%),
        linear-gradient(180deg, #ffffff 0%, #f4f7fb 100%);
}

.hero__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.9fr);
    gap: 2rem;
    align-items: stretch;
}

.hero__content,
.hero__panel,
.coverage__note,
.contact-details,
.service-card,
.contact-form {
    background: var(--color-surface);
    border: 1px solid rgba(201, 214, 226, 0.9);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}

.hero__content {
    padding: 2.25rem;
}

.hero__panel,
.coverage__note,
.contact-details {
    padding: 1.75rem;
}

.hero__lead {
    font-size: 1.125rem;
    color: var(--color-text);
}

.eyebrow {
    margin-bottom: 0.9rem;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-primary);
}

.hero h1 {
    margin-bottom: 1rem;
    font-size: clamp(2.15rem, 4vw, 3.6rem);
    max-width: 12ch;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-top: 1.75rem;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3rem;
    padding: 0.8rem 1.2rem;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-1px);
}

.button--primary {
    background: var(--color-primary);
    color: #ffffff;
}

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

.button--secondary {
    background: transparent;
    border-color: var(--color-border);
    color: var(--color-text);
}

.button--secondary:hover,
.button--secondary:focus-visible {
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
}

.feature-list {
    display: grid;
    gap: 0.8rem;
    margin: 1.25rem 0 0;
    padding-left: 1.1rem;
}

.section {
    padding: 4rem 0;
}

.section--alt {
    background: var(--color-surface-alt);
}

.section-copy,
.section-heading {
    max-width: 780px;
}

.section-heading {
    margin-bottom: 1.75rem;
}

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

.service-card {
    padding: 1.5rem;
}

.service-card h3 {
    margin-bottom: 0.65rem;
    font-size: 1.1rem;
}

.coverage {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.8fr);
    gap: 1.5rem;
    align-items: start;
}

.contact-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.8fr);
    gap: 1.5rem;
    align-items: start;
}

.contact-form {
    padding: 1.75rem;
}

.form-field {
    margin-bottom: 1rem;
}

.form-field label {
    display: inline-block;
    margin-bottom: 0.4rem;
    font-weight: 600;
}

.form-field input,
.form-field textarea {
    width: 100%;
    padding: 0.8rem 0.9rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: #ffffff;
    color: var(--color-text);
    font: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.form-field textarea {
    min-height: 10rem;
    resize: vertical;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
    color: #6c7a88;
}

.form-field input:focus-visible,
.form-field textarea:focus-visible,
.button:focus-visible,
.site-nav a:focus-visible,
.site-brand:focus-visible,
.contact-details a:focus-visible {
    outline: 3px solid rgba(242, 140, 40, 0.35);
    outline-offset: 2px;
}

.form-field input:focus,
.form-field textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(13, 92, 145, 0.12);
}

.form-field input[aria-invalid="true"],
.form-field textarea[aria-invalid="true"] {
    border-color: #c53f4d;
    background: #fff7f7;
}

.field-error {
    margin: 0.45rem 0 0;
    color: var(--color-error-text);
    font-size: 0.95rem;
}

.form-field--honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.form-alert {
    margin-bottom: 1rem;
    padding: 1rem 1.1rem;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
}

.form-alert p {
    margin-bottom: 0;
}

.form-alert--success {
    border-color: #b7dfc4;
    background: var(--color-success-bg);
    color: var(--color-success-text);
}

.form-alert--error {
    border-color: #efc0c6;
    background: var(--color-error-bg);
    color: var(--color-error-text);
}

.contact-details__list {
    margin: 1rem 0 0;
    padding-left: 0;
    list-style: none;
}

.contact-details__list li + li {
    margin-top: 0.75rem;
}

.site-footer {
    padding: 1.75rem 0 2.5rem;
    border-top: 1px solid rgba(201, 214, 226, 0.9);
    background: #ffffff;
}

.site-footer p {
    margin: 0;
    color: var(--color-text-muted);
}

@media (max-width: 980px) {
    .hero__inner,
    .coverage,
    .contact-layout {
        grid-template-columns: 1fr;
    }

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

    .hero h1 {
        max-width: none;
    }
}

@media (max-width: 720px) {
    .site-header__inner {
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        padding: 1rem 0;
    }

    .site-nav__list {
        flex-wrap: wrap;
        gap: 0.9rem 1rem;
    }

    .hero,
    .section {
        padding: 3rem 0;
    }

    .hero__content,
    .hero__panel,
    .coverage__note,
    .contact-form,
    .contact-details,
    .service-card {
        padding: 1.35rem;
    }

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

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition: none !important;
    }
}