/* Seisin Hold — cream on charcoal
   Brand: Charcoal #1C1C1C · Cream #ECE6DC · Paper #FBF8F3 · Graphite #404042 */

:root {
  --charcoal: #1c1c1c;
  --cream: #ece6dc;
  --paper: #fbf8f3;
  --graphite: #404042;
  --cream-muted: rgba(236, 230, 220, 0.72);
  --cream-faint: rgba(236, 230, 220, 0.12);
  --cream-line: rgba(236, 230, 220, 0.16);
  --max: 1080px;
  --narrow: 36rem;
  --pad: clamp(1.25rem, 4vw, 2rem);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Helvetica, 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: 1.65;
  color: var(--cream);
  background: var(--charcoal);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--cream);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

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

.wrap {
  width: min(100% - 2 * var(--pad), var(--max));
  margin-inline: auto;
}

.wrap.narrow {
  width: min(100% - 2 * var(--pad), var(--narrow));
}

.skip {
  position: absolute;
  left: var(--pad);
  top: -100%;
  z-index: 100;
  padding: 0.5rem 0.75rem;
  background: var(--cream);
  color: var(--charcoal);
  border-radius: 4px;
}

.skip:focus {
  top: 0.75rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(28, 28, 28, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--cream-line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--cream);
}

.brand:hover {
  color: var(--paper);
}

.brand-mark {
  width: 2.25rem;
  height: auto;
  object-fit: contain;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.brand-name {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  gap: 1.5rem;
}

.nav a {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--cream-muted);
}

.nav a:hover {
  color: var(--cream);
}

/* Hero */
.hero {
  padding: clamp(3rem, 10vw, 6.5rem) 0 clamp(3.5rem, 9vw, 5.5rem);
  text-align: center;
  border-bottom: 1px solid var(--cream-line);
  background:
    radial-gradient(ellipse 70% 50% at 50% 0%, var(--cream-faint), transparent 70%);
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.hero-lockup {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(0.85rem, 2.5vw, 1.25rem);
  text-align: center;
}

.hero-logo {
  width: min(18rem, 72vw);
  height: auto;
  display: block;
  margin: 0 auto;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.hero-wordmark {
  margin: 0;
  font-size: clamp(1.2rem, 4.5vw, 1.85rem);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--paper);
  line-height: 1.15;
}

.tagline {
  margin: 0.75rem 0 0;
  font-size: clamp(1.25rem, 3.2vw, 1.75rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.35;
  color: var(--paper);
  max-width: 22ch;
}

.lede {
  margin: 0;
  max-width: 34rem;
  color: var(--cream-muted);
  font-size: 1rem;
}

.lede .muted {
  color: var(--cream);
  font-style: italic;
}

/* Sections */
.section {
  padding: clamp(3rem, 8vw, 5rem) 0;
  border-bottom: 1px solid var(--cream-line);
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cream-muted);
}

.section h2 {
  margin: 0 0 1.25rem;
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--paper);
}

.section p {
  margin: 0 0 1rem;
  color: var(--cream-muted);
}

.section p:last-child {
  margin-bottom: 0;
}

.contact .email {
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--cream);
  text-decoration: none;
  border-bottom: 1px solid var(--cream-line);
  padding-bottom: 0.1em;
}

.contact .email:hover {
  border-bottom-color: var(--cream);
  color: var(--paper);
}

/* Footer */
.site-footer {
  padding: 2.5rem 0 3rem;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: center;
}

.footer-brand {
  margin: 0;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cream);
}

.footer-note {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--cream-muted);
}

@media (min-width: 640px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: baseline;
    text-align: left;
  }
}

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


/* Business layout additions (v5) */
.hero-cta {
  margin: 0.5rem 0 0;
}

.btn {
  display: inline-block;
  padding: 0.7rem 1.35rem;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--charcoal);
  background: var(--cream);
  border-radius: 2px;
}

.btn:hover {
  color: var(--charcoal);
  background: var(--paper);
}

.card-grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 0.5rem;
}

@media (min-width: 720px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}

.card {
  padding: 1.35rem 1.25rem;
  border: 1px solid var(--cream-line);
  border-radius: 4px;
  background: rgba(236, 230, 220, 0.04);
}

.card h3 {
  margin: 0 0 0.65rem;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--paper);
}

.card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--cream-muted);
}

.pillars {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.pillars li {
  padding: 0.4rem 0.85rem;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cream);
  border: 1px solid var(--cream-line);
  border-radius: 999px;
}

.contact-note {
  margin-top: 1rem !important;
  font-size: 0.875rem;
}

.focus .wrap {
  width: min(100% - 2 * var(--pad), var(--max));
}