/* Blackbow Group — site styles
   Monochrome, restrained, dark-only, fully responsive.
*/

:root {
  color-scheme: dark;
  --bg: #0b0b0c;
  --bg-alt: #131315;
  --fg: #f5f5f4;
  --fg-muted: #b6b6b3;
  --fg-subtle: #8a8a8d;
  --rule: #232327;
  --rule-strong: #e6e6e3;
  --accent: #f5f5f4;
  --shadow: 0 1px 0 rgba(0,0,0,0.5), 0 12px 32px -16px rgba(0,0,0,0.6);
  --radius: 2px;
  --max: 1180px;
  --gutter: clamp(20px, 4vw, 56px);
  --serif: "Cormorant Garamond", "Times New Roman", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--fg);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
a:hover { text-decoration-color: var(--fg-muted); }
a:focus-visible {
  outline: 2px solid var(--rule-strong);
  outline-offset: 3px;
  border-radius: var(--radius);
}

::selection { background: var(--fg); color: var(--bg); }

/* Skip link */
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--fg); color: var(--bg);
  padding: 10px 14px; z-index: 100;
}
.skip-link:focus { left: 12px; top: 12px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 18px var(--gutter);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--rule);
}

.brand {
  display: inline-flex; align-items: center; gap: 12px;
  text-decoration: none; color: var(--fg);
}
.brand:hover { text-decoration: none; }
.brand-mark {
  display: inline-flex; width: 32px; height: 32px; color: var(--fg);
}
.brand-mark.small { width: 22px; height: 22px; }
.brand-mark svg { width: 100%; height: 100%; }
.brand-text { display: inline-flex; flex-direction: column; line-height: 1.05; }
.brand-name {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 19px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.brand-tag {
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-subtle);
  margin-top: 2px;
}

.site-nav {
  display: inline-flex; align-items: center; gap: 28px;
  font-size: 14px;
  letter-spacing: 0.04em;
}
.site-nav a {
  text-decoration: none;
  color: var(--fg-muted);
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.site-nav a:hover { color: var(--fg); border-bottom-color: var(--fg); }
.site-nav .nav-cta {
  color: var(--fg);
  border: 1px solid var(--rule-strong);
  padding: 8px 14px;
  border-radius: var(--radius);
}
.site-nav .nav-cta:hover {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}

@media (max-width: 720px) {
  .site-nav { gap: 14px; font-size: 13px; }
  .site-nav a:not(.nav-cta) { display: none; }
  .brand-tag { display: none; }
}

/* Generic sections */
.section {
  padding: clamp(64px, 9vw, 128px) var(--gutter);
  border-top: 1px solid var(--rule);
}
.section-alt { background: var(--bg-alt); }
.section-inner { max-width: var(--max); margin: 0 auto; }
.section-head { max-width: 760px; margin-bottom: clamp(36px, 5vw, 64px); }
.eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--fg-subtle);
}
.section h2 {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(30px, 4.4vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.005em;
}
.section-lede {
  margin: 0;
  color: var(--fg-muted);
  font-size: clamp(17px, 1.6vw, 19px);
  max-width: 64ch;
}

/* Hero */
.hero {
  padding: clamp(56px, 8vw, 120px) var(--gutter) clamp(72px, 9vw, 140px);
}
.hero-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  align-items: center;
  gap: clamp(32px, 6vw, 96px);
}
.hero-logo {
  margin: 0;
  display: flex;
  justify-content: center;
}
.hero-logo img {
  width: 100%;
  max-width: 460px;
  height: auto;
  filter: invert(1);
}
.hero-copy h1.lede {
  margin: 6px 0 18px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.006em;
  color: var(--fg);
  max-width: 34ch;
}
.hero-copy .eyebrow { margin-bottom: 10px; }
.hero-actions { margin: 22px 0 0; }

@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; text-align: left; gap: 24px; }
  .hero-logo { order: -1; }
  .hero-logo img { max-width: 260px; }
  .hero { padding: clamp(28px, 6vw, 56px) var(--gutter) clamp(48px, 8vw, 96px); }
}

@media (max-width: 480px) {
  .hero-logo img { max-width: 180px; }
  .hero-inner { gap: 18px; }
  .hero-copy h1.lede { font-size: 22px; line-height: 1.3; max-width: none; }
  .hero-copy .eyebrow { margin-bottom: 8px; }
  .hero-actions { margin-top: 18px; }
  .site-header { padding: 12px var(--gutter); gap: 12px; }
  .brand-mark { width: 26px; height: 26px; }
  .brand-name { font-size: 16px; letter-spacing: 0.03em; }
  .site-nav { gap: 10px; font-size: 12px; }
  .site-nav .nav-cta { padding: 6px 10px; }
}

/* Buttons */
.btn {
  --btn-fg: var(--bg);
  --btn-bg: var(--fg);
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 18px;
  border: 1px solid var(--btn-bg);
  background: var(--btn-bg);
  color: var(--btn-fg);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--radius);
  transition: transform .12s ease, background-color .15s ease, color .15s ease, border-color .15s ease;
}
.btn:hover {
  --btn-fg: var(--fg);
  --btn-bg: transparent;
  text-decoration: none;
}
.btn-lg { padding: 16px 22px; font-size: 16px; }
.btn .icon { width: 18px; height: 18px; }
.btn-icon-only {
  gap: 0;
  width: 48px;
  height: 48px;
  padding: 0;
  justify-content: center;
}
.btn-icon-only.btn-lg { width: 56px; height: 56px; }
.btn-icon-only .icon { width: 22px; height: 22px; }
.btn-icon-only.btn-lg .icon { width: 26px; height: 26px; }

/* Capabilities */
.capabilities {
  list-style: none;
  margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
}
.capabilities > li {
  background: var(--bg);
  padding: clamp(28px, 3.4vw, 44px);
}
.capabilities h3 {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: 0;
}
.capabilities p { margin: 0; color: var(--fg-muted); }

@media (max-width: 760px) {
  .capabilities { grid-template-columns: 1fr; }
}

/* Approach */
.approach-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: start;
}
.principles {
  list-style: none;
  margin: 0; padding: 0;
  display: grid; gap: 0;
}
.principles > li {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 18px;
  padding: 22px 0;
  border-top: 1px solid var(--rule);
}
.principles > li:last-child { border-bottom: 1px solid var(--rule); }
.principles .num {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 22px;
  color: var(--fg-subtle);
  letter-spacing: 0.04em;
  padding-top: 2px;
}
.principles h3 {
  margin: 0 0 4px;
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0;
}
.principles p { margin: 0; color: var(--fg-muted); }

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

/* Contact */
.section-contact { background: var(--bg-alt); }
.contact-inner {
  max-width: 760px;
  text-align: left;
}
.contact-inner h2 { margin-bottom: 14px; }
.contact-actions { margin-top: 28px; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--rule);
  padding: 36px var(--gutter);
  background: var(--bg);
}
.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  font-size: 13.5px;
  color: var(--fg-subtle);
}
.footer-brand {
  display: inline-flex; align-items: center; gap: 10px; margin: 0;
  color: var(--fg);
  font-family: var(--serif);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.footer-meta { margin: 0; display: inline-flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.footer-meta a { color: var(--fg-subtle); display: inline-flex; align-items: center; }
.footer-meta a:hover { color: var(--fg); }
.footer-meta .sep { color: var(--rule); }
.footer-mail { padding: 4px; border-radius: var(--radius); }
.footer-mail .icon { width: 16px; height: 16px; }

@media (max-width: 480px) {
  body { font-size: 16px; }
  .section { padding: clamp(48px, 12vw, 72px) var(--gutter); }
  .section h2 { font-size: clamp(26px, 7vw, 34px); }
  .capabilities > li { padding: 24px; }
  .principles > li { grid-template-columns: 40px 1fr; gap: 12px; padding: 18px 0; }
  .principles .num { font-size: 18px; }
  .footer-inner { font-size: 12.5px; gap: 10px; }
  .footer-meta { gap: 6px; }
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  left: var(--gutter);
  right: var(--gutter);
  bottom: clamp(12px, 2.4vw, 24px);
  z-index: 50;
  background: var(--bg-alt);
  color: var(--fg);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.cookie-banner[hidden] { display: none; }
.cookie-banner-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(16px, 2vw, 22px) clamp(18px, 2.2vw, 28px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(14px, 2vw, 28px);
  align-items: center;
}
.cookie-banner-title {
  margin: 0 0 4px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.02em;
}
.cookie-banner-desc {
  margin: 0;
  color: var(--fg-muted);
  font-size: 14px;
  line-height: 1.55;
}
.cookie-banner-desc a { color: var(--fg); }
.cookie-banner-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.cookie-banner .btn {
  padding: 10px 14px;
  font-size: 14px;
}
.btn-ghost {
  --btn-fg: var(--fg);
  --btn-bg: transparent;
  border-color: var(--rule-strong);
}
.btn-ghost:hover {
  --btn-fg: var(--bg);
  --btn-bg: var(--fg);
}

@media (max-width: 720px) {
  .cookie-banner-inner {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .cookie-banner-actions { justify-content: stretch; }
  .cookie-banner-actions .btn { flex: 1 1 0; justify-content: center; }
}

.footer-cookie-prefs { color: var(--fg-subtle); }
.footer-cookie-prefs:hover { color: var(--fg); }

/* Cookie policy page */
.legal-page {
  padding: clamp(48px, 7vw, 96px) var(--gutter);
}
.legal-inner {
  max-width: 760px;
  margin: 0 auto;
}
.legal-inner h1 {
  margin: 6px 0 12px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(30px, 4vw, 42px);
  line-height: 1.15;
}
.legal-inner h2 {
  margin: 36px 0 10px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(20px, 2.4vw, 26px);
}
.legal-inner h3 {
  margin: 22px 0 6px;
  font-size: 16px;
  font-weight: 600;
}
.legal-inner p,
.legal-inner li {
  color: var(--fg-muted);
  font-size: 16px;
  line-height: 1.7;
}
.legal-inner ul { padding-left: 1.1em; }
.legal-inner table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 8px;
  font-size: 14.5px;
}
.legal-inner th,
.legal-inner td {
  text-align: left;
  vertical-align: top;
  padding: 10px 12px;
  border-top: 1px solid var(--rule);
  color: var(--fg);
}
.legal-inner th {
  color: var(--fg-subtle);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 12px;
}
.legal-inner td.muted { color: var(--fg-muted); }
.legal-actions {
  display: inline-flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 14px 0 0;
}
.legal-meta {
  margin-top: 36px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  color: var(--fg-subtle);
  font-size: 13.5px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* Print */
@media print {
  .site-header, .site-nav, .hero-actions, .contact-actions, .cookie-banner { display: none !important; }
  body { color: #000; background: #fff; }
}