/* Seleune V2 — Trio Estelar editorial design tokens. */

@font-face {
  font-family: "Inter";
  src: url("fonts/Inter-Variable.woff2") format("woff2-variations");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Fraunces";
  src: url("fonts/Fraunces-Variable.woff2") format("woff2-variations");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: light;

  /* Primitive color */
  --color-ink-900: #11182e;
  --color-ink-800: #202a43;
  --color-paper-50: #f3efe6;
  --color-paper-25: #faf7f0;
  --color-gilt-500: #b58b52;
  --color-gilt-300: #d0ad76;
  --color-dusk-500: #56647d;
  --color-sage-500: #7f9185;
  --color-rose-500: #a56767;
  --color-white: #ffffff;
  --color-black: #000000;

  /* Semantic color */
  --surface-page: var(--color-paper-50);
  --surface-raised: var(--color-paper-25);
  --surface-inverse: var(--color-ink-900);
  --surface-inverse-soft: var(--color-ink-800);
  --surface-muted: #e8e2d6;
  --surface-overlay: rgb(17 24 46 / 0.72);
  --text-primary: var(--color-ink-900);
  --text-secondary: var(--color-dusk-500);
  --text-inverse: var(--color-paper-50);
  --text-on-dark-muted: #c7c6c1;
  --text-accent-on-dark: var(--color-gilt-300);
  --border-subtle: #d8d0c2;
  --border-strong: var(--color-ink-900);
  --border-muted: rgb(17 24 46 / 0.14);
  --border-on-dark: rgb(243 239 230 / 0.24);
  --border-accent: var(--color-gilt-500);
  --action-primary: var(--color-ink-900);
  --action-primary-hover: #202a43;
  --action-primary-text: var(--color-paper-50);
  --action-secondary: transparent;
  --focus-ring: var(--color-ink-900);
  --focus-ring-inverse: var(--color-gilt-300);
  --status-error: #8b4d4d;
  --status-error-bg: #f2e5e2;
  --status-success: #496352;
  --status-success-bg: #e1e8e1;
  --status-warning: #765a33;
  --status-warning-bg: #eee4d4;
  --data-support: var(--color-sage-500);
  --data-tension: var(--color-rose-500);
  --data-neutral: var(--color-dusk-500);

  /* Typography */
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", Arial, sans-serif;
  --font-ui: var(--font-body);
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: clamp(1.75rem, 3vw, 2.25rem);
  --font-size-3xl: clamp(2.5rem, 6vw, 4.75rem);
  --font-size-4xl: clamp(3.5rem, 8vw, 6.75rem);
  --line-tight: 1.03;
  --line-heading: 1.12;
  --line-body: 1.72;
  --tracking-kicker: 0.14em;
  --tracking-ui: 0.035em;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Shape and border */
  --radius-none: 0;
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-control: 8px;
  --radius-pill: 999px;
  --rule-thin: 1px solid var(--border-subtle);
  --rule-ink: 1px solid var(--border-muted);
  --rule-inverse: 1px solid var(--border-on-dark);
  --shadow-paper: 0 18px 54px rgb(17 24 46 / 0.12);

  /* Layout */
  --reading-measure: 66ch;
  --content-max: 70rem;
  --wide-max: 82.5rem;
  --gutter: clamp(1.25rem, 4vw, 4rem);
  --section-space: clamp(5rem, 10vw, 9rem);
  --a4-width: 210mm;
  --a4-height: 297mm;

  /* Motion */
  --motion-fast: 180ms;
  --motion-base: 220ms;
  --motion-brand: 760ms;
  --ease-standard: cubic-bezier(0.2, 0.7, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--surface-page);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: var(--line-body);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 4px; }
.home-hero__proof, .section--ink, .free-upgrade, .gallery-header,
.report-webbar, .report-page--ink, .site-footer { --focus-ring: var(--focus-ring-inverse); }
::selection { background: var(--color-gilt-300); color: var(--color-ink-900); }

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

.skip-link {
  position: fixed;
  z-index: 999;
  top: var(--space-4);
  left: var(--space-4);
  transform: translateY(-180%);
  padding: var(--space-3) var(--space-4);
  background: var(--surface-inverse);
  color: var(--text-inverse);
}
.skip-link:focus { transform: translateY(0); }

.container { width: min(calc(100% - (2 * var(--gutter))), var(--content-max)); margin-inline: auto; }
.container-wide { width: min(calc(100% - (2 * var(--gutter))), var(--wide-max)); margin-inline: auto; }
.measure { max-width: var(--reading-measure); }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--text-secondary);
  font-size: var(--font-size-xs);
  font-weight: 650;
  letter-spacing: var(--tracking-kicker);
  line-height: 1.2;
  text-transform: uppercase;
}
.kicker::before { content: ""; width: 2rem; border-top: 1px solid currentColor; }
.kicker--inverse { color: var(--text-accent-on-dark); }

.display {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--font-size-4xl);
  font-variation-settings: "opsz" 96, "SOFT" 20, "WONK" 0;
  font-weight: 420;
  letter-spacing: -0.045em;
  line-height: var(--line-tight);
}
.heading-1, .heading-2, .heading-3 {
  margin: 0;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-variation-settings: "opsz" 72, "SOFT" 18, "WONK" 0;
  font-weight: 430;
}
.heading-1 { font-size: var(--font-size-3xl); line-height: 1.05; letter-spacing: -0.035em; }
.heading-2 { font-size: var(--font-size-2xl); line-height: var(--line-heading); letter-spacing: -0.025em; }
.heading-3 { font-size: var(--font-size-xl); line-height: 1.2; }
.deck { color: var(--text-secondary); font-size: var(--font-size-lg); line-height: 1.65; }
.meta { color: var(--text-secondary); font-size: var(--font-size-xs); font-variant-numeric: tabular-nums; letter-spacing: var(--tracking-ui); text-transform: uppercase; }

.btn {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  border: 1px solid transparent;
  border-radius: var(--radius-xs);
  padding: 0.78rem 1.2rem;
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: 650;
  letter-spacing: var(--tracking-ui);
  line-height: 1.2;
  text-decoration: none;
  transition: color var(--motion-base) var(--ease-standard), background var(--motion-base) var(--ease-standard), border-color var(--motion-base) var(--ease-standard), transform var(--motion-fast) var(--ease-standard);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn--primary { background: var(--action-primary); color: var(--action-primary-text); }
.btn--primary:hover { background: var(--action-primary-hover); }
.btn--inverse { background: var(--color-paper-50); color: var(--color-ink-900); }
.btn--secondary { border-color: var(--border-strong); background: transparent; color: var(--text-primary); }
.btn--quiet { min-height: auto; border: 0; padding: 0.35rem 0; background: transparent; text-decoration: underline; }
.btn[disabled], .btn[aria-disabled="true"] { cursor: not-allowed; opacity: 0.48; transform: none; }

.field { display: grid; gap: var(--space-2); }
.field__label { font-size: var(--font-size-sm); font-weight: 650; }
.field__hint { color: var(--text-secondary); font-size: var(--font-size-xs); }
.input, .select {
  width: 100%;
  min-height: 3.25rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-control);
  background: var(--surface-raised);
  color: var(--text-primary);
  padding: 0.85rem 1rem;
}
.input:hover, .select:hover { border-color: var(--color-dusk-500); }
.input[aria-invalid="true"] { border-color: var(--status-error); }
.field__error { color: var(--status-error); font-size: var(--font-size-sm); }

.notice {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  border-left: 3px solid currentColor;
  padding: var(--space-4) var(--space-6);
  color: var(--text-secondary);
  background: var(--surface-muted);
}
.notice--error { color: var(--status-error); background: var(--status-error-bg); }
.notice--success { color: var(--status-success); background: var(--status-success-bg); }
.notice--warning { color: var(--status-warning); background: var(--status-warning-bg); }

.rule { width: 100%; border: 0; border-top: var(--rule-thin); margin: 0; }
.icon { width: 1.5rem; height: 1.5rem; flex: none; }

@media (max-width: 47.99rem) {
  :root { --gutter: 1.25rem; --section-space: 5rem; }
  .display { font-size: clamp(3.25rem, 16vw, 5rem); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}

@media print {
  @page { size: A4; margin: 0; }
  * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .no-print, .skip-link { display: none !important; }
}