/* S.I.F. Prop — static stylesheet
   Plain CSS, no build step, system fonts only. */

:root {
  --dark: #050608;
  --dark-2: #11141d;
  --accent: #4c5c96;
  --accent-light: #8d9bd6;
  --canvas: #fdfcfc;
  --surface: #f4f3f1;
  --ink: #201d1d;
  --body: #424245;
  --on-dark: #ffffff;
  --on-dark-muted: rgba(255, 255, 255, 0.78);
  --hairline: rgba(15, 0, 0, 0.12);
  --radius: 4px;
  --wrap: 1180px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--body);
  background: var(--canvas);
}

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

h1, h2, h3 { color: var(--ink); line-height: 1.2; margin: 0; }

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ---------- Accessibility helpers ---------- */

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius);
}
.skip-link:focus { top: 1rem; }

a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius);
}
.hero a:focus-visible,
.card--dark a:focus-visible,
.contact a:focus-visible,
.skip-link:focus-visible { outline-color: var(--accent-light); }

/* ---------- Hero ---------- */

.hero {
  background: var(--dark);
  color: var(--on-dark-muted);
  padding: 4rem 0;
}

.hero__grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.hero__logo {
  width: 180px;
  margin-bottom: 2rem;
}

.hero h1 {
  color: var(--on-dark);
  font-size: clamp(2.2rem, 6vw, 3.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero__sub {
  margin: 1rem 0 0;
  color: var(--accent-light);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  font-size: 0.95rem;
}

.hero__geo {
  list-style: none;
  margin: 1.5rem 0 2rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  font-size: 0.95rem;
}
.hero__geo span { color: var(--accent-light); }

.hero__photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius);
}

.button {
  display: inline-block;
  padding: 0.85rem 1.5rem;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.9rem;
  border-radius: var(--radius);
}
.button:hover { background: #3d4b7d; }

/* ---------- Cards ---------- */

.cards {
  display: grid;
  gap: 1.5rem;
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
}

.card__img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.card__body { padding: 1.5rem; }

.card__label {
  margin: 0 0 0.5rem;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.card h2 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.card p { margin: 0; }

.tags {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.tags li {
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  font-size: 0.85rem;
  color: var(--ink);
  background: var(--surface);
}

/* Rivergate card has no photo in the source; it uses the dark brand fill instead. */
.card--dark {
  background: var(--dark-2);
  border-color: var(--dark-2);
  color: var(--on-dark-muted);
  justify-content: flex-end;
}
.card--dark h2 { color: var(--on-dark); }
.card--dark .card__label { color: var(--accent-light); }
.card--dark .tags li {
  color: var(--on-dark);
  background: transparent;
  border-color: rgba(255, 255, 255, 0.25);
}

/* ---------- FAQ ---------- */

.faq {
  max-width: 820px;
  padding-bottom: 4rem;
}

.faq h2 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.faq__item {
  padding: 1.25rem 0;
  border-top: 1px solid var(--hairline);
}
.faq__item:last-child { border-bottom: 1px solid var(--hairline); }

.faq__item h3 {
  font-size: 1.125rem;
  margin-bottom: 0.4rem;
}
.faq__item p { margin: 0; }
.faq__item strong { color: var(--ink); }

/* ---------- Contact / footer ---------- */

.contact {
  background: var(--dark);
  color: var(--on-dark-muted);
  padding: 4rem 0 2rem;
  text-align: center;
}

.contact h2 {
  color: var(--on-dark);
  font-size: clamp(1.6rem, 4vw, 2.25rem);
  margin-bottom: 0.75rem;
}

.contact__links {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.contact__links a {
  color: var(--on-dark);
  font-size: 1.2rem;
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--accent-light);
  text-underline-offset: 4px;
}
.contact__links a:hover { color: var(--accent-light); }

.contact__copy {
  margin: 3rem 0 0;
  font-size: 0.85rem;
}

/* ---------- Larger screens ---------- */

@media (min-width: 760px) {
  .hero { padding: 5rem 0; }
  .hero__grid { grid-template-columns: 1.1fr 1fr; gap: 3.5rem; }
  .cards { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1060px) {
  .cards { grid-template-columns: repeat(3, 1fr); }
}

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