/* Nautima Group. Tokens first; everything else consumes them. See docs/DESIGN.md. */
:root {
  --ink: #0f2a44;        /* headings, dark band */
  --ink-2: #26405b;      /* body text */
  --muted: #5b6b7d;
  --paper: #fbfaf7;      /* page ground */
  --paper-2: #f1efe9;    /* alternating band */
  --line: #dcd8cf;
  --accent: #0e7c86;     /* the one accent: links, buttons */
  --accent-ink: #0a5f67;
  --on-dark: #eef3f7;
  --max: 68rem;
  --measure: 38rem;
  --step--1: 1rem;            /* 16 meta */
  --step-0: 1.1875rem;        /* 19 body */
  --step-1: 1.375rem;         /* 22 lede */
  --step-2: 1.75rem;          /* 28 h3/h2 mobile */
  --step-3: clamp(2rem, 1.4rem + 2.5vw, 2.75rem);   /* h2 */
  --step-4: clamp(2.5rem, 1.6rem + 4vw, 4rem);      /* h1 */
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, system-ui, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--paper); color: var(--ink-2); font-family: var(--font); font-size: var(--step-0); line-height: 1.6; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-ink); text-decoration-thickness: 1px; text-underline-offset: 0.15em; }
a:hover { color: var(--ink); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
h1, h2, h3 { color: var(--ink); line-height: 1.12; letter-spacing: -0.015em; margin: 0 0 0.5em; font-weight: 700; }
h1 { font-size: var(--step-4); max-width: 22ch; }
h2 { font-size: var(--step-3); max-width: 24ch; }
h3 { font-size: var(--step-2); line-height: 1.2; }
p { margin: 0 0 1em; }
.wrap { width: min(100% - 2.5rem, var(--max)); margin-inline: auto; }
.eyebrow { font-size: var(--step--1); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-ink); margin-bottom: 1rem; }
.lede { font-size: var(--step-1); max-width: var(--measure); line-height: 1.5; }
.prose { max-width: var(--measure); }
.prose-narrow { max-width: 40rem; }
.prose h2 { font-size: var(--step-2); margin-top: 1.75em; }
.skip { position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff; padding: 0.5rem 1rem; z-index: 10; }
.skip:focus { left: 1rem; }

/* Header */
.site-header { background: var(--paper); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4rem; }
.wordmark { font-weight: 800; font-size: 1.35rem; letter-spacing: -0.02em; color: var(--ink); text-decoration: none; }
.wordmark span { color: var(--accent); margin-left: 0.3rem; font-weight: 600; }
.site-nav { display: flex; gap: 1.25rem; align-items: center; }
.site-nav a { font-size: var(--step--1); font-weight: 600; text-decoration: none; color: var(--ink-2); }
.site-nav a:hover { color: var(--ink); }
@media (max-width: 720px) { .site-nav a:not(.btn) { display: none; } }

/* Buttons */
.btn { display: inline-block; background: var(--accent); color: #fff; font-weight: 700; padding: 0.9rem 1.5rem; border-radius: 0.5rem; text-decoration: none; border: 2px solid var(--accent); font-size: var(--step-0); line-height: 1.2; cursor: pointer; font-family: inherit; }
.btn:hover { background: var(--accent-ink); border-color: var(--accent-ink); color: #fff; }
.btn-ghost { background: transparent; color: var(--accent-ink); }
.btn-ghost:hover { background: var(--accent); color: #fff; }
.btn-small { padding: 0.55rem 1rem; font-size: var(--step--1); }
.cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem 1rem; margin-top: 1.75rem; }

/* Sections */
section { padding-block: clamp(3.5rem, 6vw, 6rem); }
.hero { padding-block: clamp(4rem, 9vw, 8rem); }
.hero-short { padding-block: clamp(3rem, 6vw, 5rem); }
.hero .lede { margin-top: 1.25rem; }
.band { background: var(--paper-2); }
.band-dark { background: var(--ink); color: var(--on-dark); }
.band-dark h2, .band-dark h3 { color: #fff; }
.band-dark .eyebrow { color: #8fd3da; }
.band-dark a { color: #bfe7eb; }
.band-dark a:hover { color: #fff; }

/* Cards */
.grid { display: grid; gap: 1.25rem; margin-top: 2rem; }
.grid-2 { grid-template-columns: 1fr; }
@media (min-width: 720px) { .grid-2 { grid-template-columns: 1fr 1fr; } }
.card { background: #fff; border: 1px solid var(--line); border-radius: 0.75rem; padding: 1.5rem 1.5rem 1rem; }
.card h3 { font-size: 1.375rem; margin-bottom: 0.4em; }
.card p:last-child { margin-bottom: 0.25rem; }
.card-accent { border-top: 4px solid var(--accent); }

/* About */
.about-row { display: grid; gap: 2.5rem; align-items: start; }
@media (min-width: 800px) { .about-row { grid-template-columns: 360px 1fr; } }
.about-photo img { border-radius: 0.75rem; width: 100%; max-width: 480px; }

/* Contact */
.contact-row { display: grid; gap: 2.5rem; }
@media (min-width: 800px) { .contact-row { grid-template-columns: 1fr 1fr; } }
.contact-form { background: #fff; border: 1px solid var(--line); border-radius: 0.75rem; padding: 1.5rem; }
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-weight: 600; margin-bottom: 0.35rem; color: var(--ink); }
.field input, .field textarea { width: 100%; font: inherit; padding: 0.75rem 0.85rem; border: 1px solid #b8b3a8; border-radius: 0.5rem; background: #fff; color: var(--ink); }
.field textarea { resize: vertical; }
.hp { position: absolute; left: -9999px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding-block: 2rem; font-size: var(--step--1); color: var(--muted); }
.footer-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem 2rem; }
.footer-row p { margin: 0; }