/* ==========================================================================
   somsorium — design system (interim website)
   Brand: navy ink + emerald/teal accent on a light off-white ground.
   Wordmark is a slab serif; headings echo it with a serif stack.
   TODO(brand): self-host the exact somsorium fonts (slab serif for headings)
   as woff2 under assets/fonts/ and wire them here — GDPR-safe, no CDN.
   ========================================================================== */
:root {
  --navy: #14243d;
  --navy-2: #1d3350;
  --accent: #2f8f6f;          /* emerald-teal (light bg) */
  --accent-bright: #57c3a6;   /* mint (dark bg / hover) */
  --bg: #ffffff;
  --bg-tint: #f2f5f3;         /* off-white green-grey */
  --ink: #14243d;
  --muted: #5c6a6a;
  --line: rgba(20, 36, 61, .12);
  --card: #ffffff;

  --maxw: 68rem;
  --pad: clamp(1.15rem, 4vw, 2.5rem);
  --gap: clamp(1.25rem, 3vw, 2rem);
  --radius: 14px;
  --font-head: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --shadow: 0 1px 2px rgba(20,36,61,.05), 0 8px 24px rgba(20,36,61,.06);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1b2d; --bg-tint: #14243d; --ink: #e9eef2; --muted: #9fb0bd;
    --line: rgba(255,255,255,.14); --card: #16273f; --accent: #57c3a6;
  }
}

/* base ------------------------------------------------------------------ */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 5rem; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--font-body); line-height: 1.65; font-size: 1.02rem;
  -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-underline-offset: 3px; }
h1, h2, h3 { font-family: var(--font-head); line-height: 1.12; color: var(--ink); font-weight: 700; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); letter-spacing: -.01em; margin: 0 0 .5rem; }
h2 { font-size: clamp(1.55rem, 3.4vw, 2.3rem); margin: 0 0 .75rem; }
h3 { font-size: 1.2rem; margin: 0 0 .35rem; }
p { margin: 0 0 1rem; }
.wrap { max-width: var(--maxw); margin-inline: auto; }
.skip-link { position: absolute; left: -999px; }
.skip-link:focus { left: 1rem; top: 1rem; z-index: 100; background: var(--bg); padding: .5rem 1rem; border: 1px solid var(--line); border-radius: 8px; }

/* header / anchor nav --------------------------------------------------- */
.site-header { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(1.2) blur(10px); border-bottom: 1px solid transparent; transition: border-color .2s, box-shadow .2s; }
.site-header.is-scrolled { border-bottom-color: var(--line); box-shadow: 0 6px 20px rgba(20,36,61,.05); }
.nav { max-width: var(--maxw); margin-inline: auto; display: flex; align-items: center; gap: 1rem;
  padding: .7rem var(--pad); }
.nav .brand { margin-right: auto; display: inline-flex; align-items: center; }
.nav .brand img { height: 28px; width: auto; }
.nav ul { display: flex; gap: 1.4rem; list-style: none; margin: 0; padding: 0; align-items: center; }
.nav a { color: var(--ink); text-decoration: none; font-weight: 500; font-size: .96rem; }
.nav a:hover { color: var(--accent); }
.nav .btn { padding: .45rem .9rem; color: #fff; }
.nav-toggle { display: none; }
@media (max-width: 780px) {
  .nav ul { position: fixed; inset: 3.4rem 0 auto 0; flex-direction: column; align-items: flex-start;
    gap: .25rem; background: var(--bg); border-bottom: 1px solid var(--line); padding: 1rem var(--pad);
    transform: translateY(-120%); transition: transform .25s ease; }
  .nav.open ul { transform: translateY(0); }
  .nav a { padding: .5rem 0; font-size: 1.05rem; }
  .nav .btn { color: #fff; }
  .nav-toggle { display: inline-flex; margin-left: auto; background: none; border: 1px solid var(--line);
    border-radius: 8px; padding: .4rem .6rem; color: var(--ink); font-size: 1rem; cursor: pointer; }
}

/* buttons --------------------------------------------------------------- */
.btn { display: inline-block; background: var(--accent); color: #fff; text-decoration: none;
  padding: .8rem 1.4rem; border-radius: 10px; font-weight: 600; border: 1px solid transparent;
  transition: transform .12s ease, background .2s; }
.btn:hover { background: var(--navy); transform: translateY(-1px); color: #fff; }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); background: transparent; }

/* sections -------------------------------------------------------------- */
.section { padding: clamp(3rem, 7vw, 5.5rem) var(--pad); }
.section > .wrap { max-width: var(--maxw); }
.section--alt { background: var(--bg-tint); }
.section--dark { background: var(--navy); color: #eaf1ee; }
.section--dark h1, .section--dark h2, .section--dark h3 { color: #fff; }
.section--dark .eyebrow { color: var(--accent-bright); }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; font-weight: 700;
  color: var(--accent); margin: 0 0 .6rem; font-family: var(--font-body); }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 46rem; }

/* hero ------------------------------------------------------------------ */
.hero { padding: clamp(3.5rem, 9vw, 7rem) var(--pad) clamp(3rem, 6vw, 4.5rem); }
.hero .wrap { max-width: 52rem; }
.hero .topline { text-transform: uppercase; letter-spacing: .1em; font-size: .8rem; font-weight: 700;
  color: var(--accent); margin: 0 0 1.1rem; }
.hero .claim { font-family: var(--font-head); font-style: italic; font-size: 1.35rem; color: var(--accent); margin: .2rem 0 1.2rem; }
.hero .lead { font-size: 1.2rem; color: var(--muted); }
.hero-cta { margin-top: 1.6rem; }

/* cards (problem -> solution) ------------------------------------------- */
.cards { display: grid; gap: var(--gap); margin-top: 2rem; }
.cards--2 { grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr)); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.3rem 1.4rem; box-shadow: var(--shadow); }
.card h3 { color: var(--ink); }
.card p { margin: 0; color: var(--muted); }

/* products -------------------------------------------------------------- */
.product { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card);
  padding: clamp(1.4rem, 3vw, 2rem); margin-top: 1.5rem; box-shadow: var(--shadow); }
.product > header { display: flex; align-items: baseline; gap: .8rem; flex-wrap: wrap; margin-bottom: .1rem; }
.product .tagline { color: var(--muted); font-size: 1.05rem; margin: 0 0 1rem; }
.badge { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em;
  color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent); padding: .2rem .6rem; border-radius: 999px; }
.ticks { list-style: none; margin: .4rem 0 0; padding: 0; display: grid; gap: .7rem; }
.ticks li { position: relative; padding-left: 1.6rem; color: var(--ink); }
.ticks li::before { content: ""; position: absolute; left: 0; top: .55em; width: .7rem; height: .7rem;
  border: 2px solid var(--accent); border-radius: 50%; }
.ticks li strong { color: var(--ink); }
.note { color: var(--muted); font-size: .95rem; margin-top: 1rem; }

/* team ------------------------------------------------------------------ */
.team-photo { margin: 2rem 0 0; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--line); }
.team-photo img { width: 100%; display: block; }
.team-photo figcaption { padding: .6rem 1rem; color: var(--muted); font-size: .85rem; background: var(--card); }
.team-grid { display: grid; gap: var(--gap); grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); margin-top: 1.5rem; }
.member { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.3rem 1.4rem; box-shadow: var(--shadow); }
.member .avatar { display: inline-grid; place-items: center; width: 3rem; height: 3rem; border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 16%, var(--bg-tint)); color: var(--accent); font-family: var(--font-head);
  font-weight: 700; font-size: 1.05rem; margin-bottom: .7rem; }
.member .role { color: var(--accent); font-weight: 600; margin: 0 0 .5rem; }
.member .quote { font-style: italic; color: var(--muted); margin: .6rem 0 0; }

/* contact --------------------------------------------------------------- */
.section--contact { text-align: center; }
.section--contact .btn { font-size: 1.1rem; margin-top: .5rem; }

/* legal pages ----------------------------------------------------------- */
.legal { padding: clamp(2.5rem, 6vw, 4.5rem) var(--pad); }
.legal .wrap { max-width: 48rem; }
.legal h2 { margin-top: 2rem; }
.legal .placeholder { background: color-mix(in srgb, var(--accent) 8%, transparent); border: 1px dashed color-mix(in srgb, var(--accent) 40%, transparent); padding: .15rem .4rem; border-radius: 4px; }

/* footer ---------------------------------------------------------------- */
.site-footer { background: var(--navy); color: #b9c6d2; padding: 2.5rem var(--pad); }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 1rem 2rem; align-items: center; justify-content: space-between; }
.site-footer a { color: #d7e2ea; text-decoration: none; }
.site-footer a:hover { color: var(--accent-bright); }
.site-footer nav { display: flex; gap: 1.3rem; flex-wrap: wrap; }
.site-footer .copy { color: #7f92a3; font-size: .9rem; margin: 0; }

/* misc ------------------------------------------------------------------ */
.error-404 { padding: 6rem var(--pad); text-align: center; }
:target { scroll-margin-top: 5rem; }