:root {
    --color-primary: #0f766e;
    --color-secondary: #1d4ed8;
    --color-surface: #f8fafc;
    --color-surface-strong: #ffffff;
    --color-text: #0f172a;
    --color-muted: #475569;
    --font-body: "Inter", "Segoe UI", Roboto, Arial, sans-serif;
    --font-heading: "Inter", "Segoe UI", Roboto, Arial, sans-serif;
    --container-width: 1120px;
    --space-1: 0.5rem;
    --space-2: 1rem;
    --space-3: 1.5rem;
    --space-4: 2rem;
    --space-5: 3rem;
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --shadow-sm: 0 10px 30px rgba(15, 23, 42, 0.08);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-surface-strong);
    line-height: 1.6;
}

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

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

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

button,
input,
textarea {
    font: inherit;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--color-primary);
    color: white;
    padding: 0.75rem 1rem;
    z-index: 100;
}

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

.container {
    width: min(100% - 2rem, var(--container-width));
    margin: 0 auto;
}

.site-header {
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid #e2e8f0;
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(8px);
}

.nav-shell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.brand {
    font-size: 1.25rem;
    font-weight: 800;
    text-decoration: none;
    color: var(--color-text);
    display: inline-flex;
    gap: 0.35rem;
    align-items: center;
}

.brand-mark {
    background: var(--color-primary);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 999px;
}

.site-nav ul {
    display: flex;
    gap: 1.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-nav a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 600;
}

.nav-toggle {
    display: none;
    background: transparent;
    border: 0;
    padding: 0.25rem;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    margin: 4px 0;
    background: var(--color-text);
}

.hero {
    padding: clamp(3rem, 6vw, 5rem) 0;
    background: linear-gradient(135deg, #ecfeff, #f8fafc);
}

.hero-grid,
.intro-grid,
.contact-grid,
.footer-grid,
.two-column {
    display: grid;
    gap: 2rem;
}

.hero h1,
.page-hero h1,
.section h2,
.info-card h2 {
    font-family: var(--font-heading);
    line-height: 1.1;
    margin: 0 0 1rem;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.4rem);
}

.hero-description,
.page-hero .hero-description,
.section-heading p,
.card p,
.info-card p,
.site-footer p,
.site-footer li {
    color: var(--color-muted);
}

.eyebrow {
    display: inline-block;
    margin: 0 0 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-primary);
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.25rem;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 700;
}

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

.button-secondary {
    border: 1px solid #cbd5e1;
    color: var(--color-text);
}

.hero-card,
.card,
.info-card,
.form-card {
    background: var(--color-surface-strong);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.section {
    padding: 4rem 0;
}

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

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

.card-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.pill {
    display: inline-block;
    border-radius: 999px;
    padding: 0.5rem 0.8rem;
    background: #ccfbf1;
    color: #115e59;
    font-weight: 600;
}

.check-list {
    padding-left: 1.2rem;
    margin: 0;
}

.check-list li {
    margin-bottom: 0.6rem;
}

.page-hero {
    background: linear-gradient(135deg, #f8fafc, #ecfeff);
    padding: 3rem 0 2rem;
}

.stack {
    display: grid;
    gap: 1rem;
}

form {
    display: grid;
    gap: 0.85rem;
}

label {
    font-weight: 700;
}

input,
textarea {
    width: 100%;
    padding: 0.8rem 0.9rem;
    border: 1px solid #cbd5e1;
    border-radius: 0.6rem;
}

input:focus,
textarea:focus,
.button:focus,
a:focus,
button:focus {
    outline: 3px solid rgba(20, 184, 166, 0.35);
    outline-offset: 2px;
}

.site-footer {
    background: #0f172a;
    color: #e2e8f0;
    padding: 3rem 0;
}

.site-footer a {
    color: #e2e8f0;
}

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

.site-footer li {
    margin-bottom: 0.5rem;
}

.brand-footer {
    color: white;
    margin-bottom: 1rem;
}

.form-feedback {
    min-height: 1.5rem;
    color: var(--color-primary);
    font-weight: 700;
}

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

    .hero-grid,
    .two-column,
    .contact-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .nav-toggle {
        display: block;
    }

    .site-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        border-bottom: 1px solid #e2e8f0;
        padding: 1rem 0;
    }

    .site-nav.is-open {
        display: block;
    }

    .site-nav ul {
        flex-direction: column;
        gap: 0.75rem;
        padding: 0 1rem;
    }

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

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

    * {
        animation: none !important;
        transition: none !important;
    }
}

@media print {

    .site-header,
    .site-footer,
    .nav-toggle,
    .button {
        display: none;
    }

    body {
        background: white;
        color: black;
    }
}