/* Tihan Capital — compiled design-system tokens + base styles
   Source: Tihan Capital Design System (colors, typography, spacing, effects) */

/* ---- Color tokens ---- */
:root {
  /* Base: Black scale */
  --tc-black-950: #050505;
  --tc-black-900: #0b0b0c;
  --tc-black-800: #141416;
  --tc-black-700: #1e1f22;
  --tc-black-600: #2b2c30;

  /* Base: Ivory scale */
  --tc-ivory-100: #f7f4ee;
  --tc-ivory-200: #efe9df;
  --tc-ivory-300: #e4dccc;
  --tc-ivory-400: #d3c9b6;

  /* Base: Silver / platinum scale */
  --tc-silver-100: #e9eaec;
  --tc-silver-200: #cfd1d4;
  --tc-silver-300: #aeb1b6;
  --tc-silver-400: #85888e;
  --tc-silver-500: #5c5f65;

  /* Semantic: surfaces */
  --surface-primary: var(--tc-black-900);
  --surface-elevated: var(--tc-black-800);
  --surface-inverse: var(--tc-ivory-200);
  --surface-card-on-dark: var(--tc-black-800);
  --surface-card-on-light: var(--tc-ivory-100);

  /* Semantic: text */
  --text-on-dark-primary: var(--tc-ivory-100);
  --text-on-dark-secondary: var(--tc-silver-300);
  --text-on-dark-tertiary: var(--tc-silver-500);
  --text-on-light-primary: var(--tc-black-950);
  --text-on-light-secondary: #4a4640;

  /* Semantic: borders / dividers */
  --border-on-dark: var(--tc-black-600);
  --border-on-dark-strong: var(--tc-silver-500);
  --border-on-light: #d9d0bf;

  /* Semantic: interactive */
  --accent-primary: var(--tc-ivory-100);
  --accent-primary-text: var(--tc-black-950);
  --accent-hover: var(--tc-silver-100);
  --accent-press: var(--tc-silver-200);
  --accent-outline: var(--tc-silver-300);
  --accent-outline-hover: var(--tc-ivory-100);

  /* Semantic: crystal / metallic shimmer */
  --shimmer-highlight: #ffffff;
  --shimmer-mid: var(--tc-silver-200);
  --shimmer-shadow: var(--tc-silver-500);
}

/* ---- Typography tokens ----
   FONT SUBSTITUTION NOTICE: the brand's actual display face is "Giveny" —
   only a marketing screenshot was provided, not the font files. Cinzel is
   used as the nearest free substitute: an all-caps, wide-tracked,
   flare-serif display face that reads the same register. */
@font-face { font-family: 'Cinzel'; font-style: normal; font-weight: 400; font-display: swap; src: url('https://cdn.jsdelivr.net/fontsource/fonts/cinzel@latest/latin-400-normal.woff2') format('woff2'); }
@font-face { font-family: 'Cinzel'; font-style: normal; font-weight: 500; font-display: swap; src: url('https://cdn.jsdelivr.net/fontsource/fonts/cinzel@latest/latin-500-normal.woff2') format('woff2'); }
@font-face { font-family: 'Cinzel'; font-style: normal; font-weight: 600; font-display: swap; src: url('https://cdn.jsdelivr.net/fontsource/fonts/cinzel@latest/latin-600-normal.woff2') format('woff2'); }
@font-face { font-family: 'Cinzel'; font-style: normal; font-weight: 700; font-display: swap; src: url('https://cdn.jsdelivr.net/fontsource/fonts/cinzel@latest/latin-700-normal.woff2') format('woff2'); }
@font-face { font-family: 'EB Garamond'; font-style: normal; font-weight: 400; font-display: swap; src: url('https://cdn.jsdelivr.net/fontsource/fonts/eb-garamond@latest/latin-400-normal.woff2') format('woff2'); }
@font-face { font-family: 'EB Garamond'; font-style: normal; font-weight: 500; font-display: swap; src: url('https://cdn.jsdelivr.net/fontsource/fonts/eb-garamond@latest/latin-500-normal.woff2') format('woff2'); }
@font-face { font-family: 'EB Garamond'; font-style: italic; font-weight: 400; font-display: swap; src: url('https://cdn.jsdelivr.net/fontsource/fonts/eb-garamond@latest/latin-400-italic.woff2') format('woff2'); }
@font-face { font-family: 'Jost'; font-style: normal; font-weight: 300; font-display: swap; src: url('https://cdn.jsdelivr.net/fontsource/fonts/jost@latest/latin-300-normal.woff2') format('woff2'); }
@font-face { font-family: 'Jost'; font-style: normal; font-weight: 400; font-display: swap; src: url('https://cdn.jsdelivr.net/fontsource/fonts/jost@latest/latin-400-normal.woff2') format('woff2'); }
@font-face { font-family: 'Jost'; font-style: normal; font-weight: 500; font-display: swap; src: url('https://cdn.jsdelivr.net/fontsource/fonts/jost@latest/latin-500-normal.woff2') format('woff2'); }

:root {
  --font-display: 'Cinzel', 'Times New Roman', serif;
  --font-serif-body: 'EB Garamond', 'Georgia', serif;
  --font-sans-ui: 'Jost', 'Helvetica Neue', sans-serif;

  --text-display-xl: 700 clamp(48px, 6vw, 96px) / 1.05 var(--font-display);
  --text-display-lg: 600 clamp(36px, 4vw, 64px) / 1.08 var(--font-display);
  --text-display-md: 600 32px/1.15 var(--font-display);
  --text-display-sm: 500 22px/1.2 var(--font-display);

  --tracking-display-xl: 0.04em;
  --tracking-display-lg: 0.06em;
  --tracking-display-md: 0.08em;
  --tracking-display-sm: 0.14em;

  --text-body-lg: 400 20px/1.6 var(--font-serif-body);
  --text-body-md: 400 17px/1.65 var(--font-serif-body);
  --text-body-quote: 400 italic 26px/1.5 var(--font-serif-body);

  --text-ui-label: 500 13px/1.4 var(--font-sans-ui);
  --text-ui-nav: 400 14px/1.4 var(--font-sans-ui);
  --text-ui-button: 500 14px/1 var(--font-sans-ui);
  --text-ui-caption: 400 12px/1.4 var(--font-sans-ui);

  --tracking-ui-label: 0.16em;
  --tracking-ui-nav: 0.03em;
  --tracking-ui-button: 0.12em;
  --tracking-ui-caption: 0.04em;
}

/* ---- Spacing, radius, layout tokens ---- */
:root {
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;

  --radius-none: 0px;
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-pill: 999px;

  --content-max: 1200px;
  --content-narrow: 720px;

  --border-hairline: 1px;
  --border-emphasis: 1.5px;
}

/* ---- Elevation, shadow, gradient, motion tokens ---- */
:root {
  --shadow-card-dark: 0 1px 0 0 rgba(255, 255, 255, 0.04) inset,
                      0 12px 32px -16px rgba(0, 0, 0, 0.6);
  --shadow-card-light: 0 12px 28px -18px rgba(20, 18, 15, 0.35);
  --shadow-crystal-glow: 0 0 40px rgba(255, 255, 255, 0.08);

  --scrim-bottom: linear-gradient(180deg, rgba(5,5,5,0) 0%, rgba(5,5,5,0.85) 100%);
  --scrim-top: linear-gradient(0deg, rgba(5,5,5,0) 0%, rgba(5,5,5,0.7) 100%);
  --scrim-radial-vignette: radial-gradient(120% 100% at 50% 30%, rgba(5,5,5,0) 40%, rgba(5,5,5,0.75) 100%);

  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-luxe: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 150ms;
  --duration-standard: 300ms;
  --duration-slow: 700ms;

  --opacity-hover: 0.82;
  --opacity-press: 0.68;
  --opacity-disabled: 0.35;

  --blur-backdrop: 20px;
}

/* ---- Base ---- */
* { box-sizing: border-box; }
body { margin: 0; background: var(--tc-black-950); }
a { color: var(--tc-ivory-100); }
a:hover { color: var(--tc-silver-300); }
::selection { background: var(--tc-ivory-100); color: var(--tc-black-950); }

@keyframes diamondShimmer {
  0% { background-size: 220% auto; background-position: 20% 30%; }
  50% { background-size: 320% auto; background-position: 70% 60%; }
  100% { background-size: 220% auto; background-position: 20% 30%; }
}

/* ---- Button (Design System: components/core/Button.jsx) ---- */
.tc-button {
  font-family: var(--font-sans-ui);
  font-weight: 500;
  letter-spacing: var(--tracking-ui-button);
  text-transform: uppercase;
  font-size: 14px;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: opacity var(--duration-fast) var(--ease-standard);
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  box-sizing: border-box;
}
.tc-button:hover { opacity: var(--opacity-hover); }
.tc-button:active { opacity: var(--opacity-press); }
.tc-button:disabled { cursor: default; opacity: var(--opacity-disabled); }

.tc-button--primary { background: var(--accent-primary); color: var(--accent-primary-text); border-color: var(--accent-primary); }
.tc-button--outline { background: transparent; color: var(--tc-ivory-100); border-color: var(--accent-outline); }
.tc-button--ghost { background: transparent; color: var(--tc-ivory-100); border-color: transparent; }
.tc-button--on-light { background: var(--tc-black-950); color: var(--tc-ivory-100); border-color: var(--tc-black-950); }

/* stretch to fill a flex-column parent (matches the original design's card CTAs) */
.tc-button--block { width: 100%; }

/* ---- Card (Design System: components/core/Card.jsx, tone="dark", padding="lg") ---- */
.tc-card {
  background: var(--surface-card-on-dark);
  border: var(--border-hairline) solid var(--border-on-dark);
  color: var(--text-on-dark-primary);
  box-shadow: var(--shadow-card-dark);
  border-radius: var(--radius-sm);
  padding: var(--space-6);
}

/* ---- Badge (Design System: components/core/Badge.jsx, tone="outline") ---- */
.tc-badge {
  font-family: var(--font-sans-ui);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--tc-silver-400);
  color: var(--tc-ivory-100);
  background: transparent;
}

/* ---- Input (Design System: components/core/Input.jsx, tone="dark") ---- */
.tc-input-label {
  display: block;
  font-family: var(--font-sans-ui);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--tc-silver-400);
  margin-bottom: var(--space-2);
}
.tc-input-field {
  width: 100%;
  box-sizing: border-box;
  background: transparent;
  border: none;
  border-bottom: var(--border-hairline) solid var(--border-on-dark-strong);
  border-radius: 0;
  padding: 10px 0;
  font-family: var(--font-serif-body);
  font-size: 16px;
  color: var(--tc-ivory-100);
  outline: none;
  transition: border-color var(--duration-fast) var(--ease-standard);
}
.tc-input-field:focus { border-bottom-color: var(--tc-ivory-100); }

/* ---- Nav "Add account" pill CTA (Marketing/FAQ nav) ---- */
.tc-nav-cta {
  color: var(--tc-ivory-100);
  text-transform: uppercase;
  border: 1px solid var(--tc-silver-300);
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  transition: opacity var(--duration-fast) var(--ease-standard);
  text-decoration: none;
}
.tc-nav-cta:hover { opacity: var(--opacity-hover); color: var(--tc-ivory-100); }

/* ---- Logo wordmark fallback (Design System: components/core/Logo.jsx,
   variant="mark" with no tone — text lockup used where the raster mark
   asset isn't available) ---- */
.tc-wordmark {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--tc-ivory-100);
}