/* ==========================================================================
   Invaris LLC — Design System
   Palette: deep navy (trust/power) + warm amber (optimism/family)
   Fonts: system stacks only — no third-party font requests (Google Fonts
   is itself a GDPR-relevant third-party call in the EU) so the site loads
   fast, works offline, and never pings an external host.
   ========================================================================== */

:root {
  /* Colors */
  --navy-950: #0f1a30;
  --navy-900: #14213f;
  --navy-800: #1b2a4a;
  --navy-700: #26365c;
  --navy-600: #34497a;
  --navy-100: #e7ebf3;
  --navy-50: #f3f5fa;

  --amber-600: #b9791f;
  --amber-500: #d9a24b;
  --amber-400: #e6b96e;
  --amber-100: #fbecd3;

  --coral-500: #d97a61;

  --cream-50: #fdfaf4;
  --cream-100: #faf6ec;
  --cream-200: #f3ecdc;

  --ink-900: #1f2430;
  --ink-700: #3d4354;
  --ink-500: #5c6478;
  --ink-300: #9199ac;
  --ink-100: #d9dce4;

  --white: #ffffff;

  --success-600: #2f7a4f;

  /* Type */
  --font-serif: Georgia, 'Iowan Old Style', 'Palatino Linotype', 'Book Antiqua', 'Times New Roman', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  /* Spacing scale */
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4.5rem;
  --space-8: 6.5rem;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 2px rgba(15, 26, 48, 0.06), 0 1px 1px rgba(15, 26, 48, 0.04);
  --shadow-md: 0 8px 24px rgba(15, 26, 48, 0.08), 0 2px 8px rgba(15, 26, 48, 0.05);
  --shadow-lg: 0 24px 64px rgba(15, 26, 48, 0.14), 0 4px 16px rgba(15, 26, 48, 0.08);

  --container: 1180px;
  --container-narrow: 760px;

  color-scheme: light;
}

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

html {
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink-900);
  background: var(--cream-50);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.15;
  color: var(--navy-900);
  margin: 0 0 var(--space-3);
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.3rem, 4.4vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.1rem; }

p {
  margin: 0 0 var(--space-3);
  color: var(--ink-700);
}

ul, ol {
  color: var(--ink-700);
  padding-left: 1.25em;
}

li + li { margin-top: 0.4em; }

.lede {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--ink-700);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber-600);
  margin-bottom: var(--space-2);
}

.eyebrow::before {
  content: "";
  width: 1.5em;
  height: 2px;
  background: var(--amber-500);
  display: inline-block;
}

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.section {
  padding-block: var(--space-8);
}

.section-tight {
  padding-block: var(--space-6);
}

.section-header {
  max-width: 700px;
  margin-bottom: var(--space-6);
}

.section-header.center {
  margin-inline: auto;
  text-align: center;
}

.bg-navy {
  background: var(--navy-900);
  color: var(--navy-100);
}
.bg-navy h1, .bg-navy h2, .bg-navy h3, .bg-navy h4 { color: var(--white); }
.bg-navy p { color: var(--navy-100); }

.bg-cream-200 { background: var(--cream-200); }
.bg-white { background: var(--white); }

.grid {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 780px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

.stack {
  display: flex;
  flex-direction: column;
}

.cluster {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

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

.skip-link {
  position: absolute;
  left: var(--space-3);
  top: -60px;
  background: var(--navy-900);
  color: var(--white);
  padding: 0.75em 1.25em;
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: var(--space-3);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 0.85em 1.6em;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--amber-500);
  color: var(--navy-950);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--amber-400);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,0.4);
  color: inherit;
}
.btn-outline:hover {
  border-color: var(--amber-500);
  color: var(--amber-500);
}

.btn-dark {
  background: var(--navy-900);
  color: var(--white);
}
.btn-dark:hover {
  background: var(--navy-700);
}

.btn-sm {
  padding: 0.55em 1.1em;
  font-size: 0.88rem;
}

.btn:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid var(--amber-500);
  outline-offset: 2px;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(253, 250, 244, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid rgba(31, 36, 48, 0.06);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-2);
  gap: var(--space-4);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6em;
  text-decoration: none;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--navy-900);
  letter-spacing: -0.01em;
}

.brand img { width: 38px; height: 38px; }

.brand-sub {
  display: block;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-500);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: var(--space-4);
  margin: 0;
  padding: 0;
}

.main-nav a:not(.btn) {
  text-decoration: none;
  color: var(--ink-700);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.4em 0.1em;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.main-nav a:not(.btn):hover,
.main-nav a[aria-current="page"] {
  color: var(--navy-900);
  border-color: var(--amber-500);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4em;
}

.nav-toggle svg { width: 26px; height: 26px; }

@media (max-width: 900px) {
  .nav-toggle { display: block; }

  .main-nav {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(320px, 84vw);
    background: var(--navy-900);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-6) var(--space-5);
    gap: var(--space-5);
    transform: translateX(100%);
    transition: transform 0.28s ease;
    box-shadow: var(--shadow-lg);
  }

  .main-nav.open { transform: translateX(0); }

  .main-nav ul {
    flex-direction: column;
    gap: var(--space-3);
  }

  .main-nav a:not(.btn) {
    color: var(--navy-100);
    font-size: 1.1rem;
  }
  .main-nav a:not(.btn):hover { color: var(--amber-400); }

  .nav-scrim {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 26, 48, 0.45);
    z-index: 490;
  }
  .nav-scrim.open { display: block; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: var(--space-7) var(--space-8);
  background:
    radial-gradient(1100px 500px at 85% -10%, rgba(217,162,75,0.16), transparent 60%),
    linear-gradient(180deg, var(--cream-100), var(--cream-50));
}

.hero-grid {
  display: grid;
  gap: var(--space-6);
  align-items: center;
}

@media (min-width: 940px) {
  .hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
  }
}

.hero-art {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.hero-meta {
  margin-top: var(--space-5);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: 0.85rem;
  color: var(--ink-500);
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
}

.hero-meta svg { width: 16px; height: 16px; color: var(--amber-600); }

/* ---------- Cards ---------- */
.card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(31,36,48,0.05);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--amber-100);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
}
.card-icon svg { width: 26px; height: 26px; color: var(--amber-600); }

.card-icon.navy { background: var(--navy-800); }
.card-icon.navy svg { color: var(--amber-400); }

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-3);
}

.feature-list li {
  display: flex;
  gap: 0.85em;
  align-items: flex-start;
}

.feature-list svg {
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 0.2em;
  color: var(--success-600);
}

/* ---------- Chips / tags ---------- */
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6em;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.5em 1.1em;
  border-radius: var(--radius-pill);
  background: var(--navy-50);
  color: var(--navy-800);
  font-size: 0.88rem;
  font-weight: 600;
  border: 1px solid var(--navy-100);
}

.bg-navy .chip {
  background: rgba(255,255,255,0.06);
  color: var(--navy-100);
  border-color: rgba(255,255,255,0.14);
}

/* ---------- Pull quote ---------- */
.pull-quote {
  position: relative;
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  line-height: 1.4;
  color: var(--navy-900);
  padding: 0 0 0 var(--space-5);
  border-left: 4px solid var(--amber-500);
  margin: 0;
}

.pull-quote cite {
  display: block;
  margin-top: var(--space-3);
  font-family: var(--font-sans);
  font-style: normal;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-500);
}

/* ---------- Timeline (three horizons) ---------- */
.timeline {
  display: grid;
  gap: var(--space-4);
  counter-reset: horizon;
}

@media (min-width: 780px) {
  .timeline { grid-template-columns: repeat(3, 1fr); }
}

.timeline-item {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  border: 1px solid rgba(31,36,48,0.06);
  box-shadow: var(--shadow-sm);
}

.timeline-item .horizon-number {
  counter-increment: horizon;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4em;
  height: 2.4em;
  border-radius: 50%;
  background: var(--navy-900);
  color: var(--amber-400);
  font-family: var(--font-serif);
  font-weight: 700;
  margin-bottom: var(--space-3);
}
.timeline-item .horizon-number::before { content: counter(horizon); }

/* ---------- Two-column content sections (system/loss) ---------- */
.split {
  display: grid;
  gap: var(--space-6);
  align-items: start;
}
@media (min-width: 940px) {
  .split { grid-template-columns: 0.85fr 1.15fr; }
  .split.reverse { grid-template-columns: 1.15fr 0.85fr; }
  .split.reverse .split-art { order: 2; }
}

.split-art {
  position: sticky;
  top: 100px;
}

.topic-block {
  padding-block: var(--space-5);
  border-top: 1px solid rgba(31,36,48,0.08);
}
.topic-block:first-of-type { border-top: none; padding-top: 0; }

/* ---------- Divider band ---------- */
.band {
  padding-block: var(--space-6);
  background: var(--navy-900);
  color: var(--navy-100);
  text-align: center;
}
.band h2 { color: var(--white); }

/* ---------- Forms ---------- */
.form-field {
  margin-bottom: var(--space-4);
}

.form-field label {
  display: block;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--navy-900);
  margin-bottom: 0.4em;
}

.form-field .hint {
  font-size: 0.82rem;
  color: var(--ink-500);
  margin-top: 0.35em;
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  font: inherit;
  padding: 0.8em 1em;
  border: 1.5px solid var(--ink-100);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--ink-900);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  border-color: var(--amber-500);
  box-shadow: 0 0 0 4px rgba(217,162,75,0.15);
  outline: none;
}

.form-field input:invalid[data-touched="true"],
.form-field textarea:invalid[data-touched="true"] {
  border-color: var(--coral-500);
}

.form-row {
  display: grid;
  gap: var(--space-4);
}
@media (min-width: 640px) {
  .form-row.cols-2 { grid-template-columns: 1fr 1fr; }
}

.checkbox-field {
  display: flex;
  gap: 0.75em;
  align-items: flex-start;
  background: var(--navy-50);
  border: 1px solid var(--navy-100);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
}

.checkbox-field input {
  margin-top: 0.3em;
  width: 18px;
  height: 18px;
  accent-color: var(--navy-800);
  flex: none;
}

.checkbox-field label {
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--ink-700);
}

.honeypot-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-4);
  font-weight: 600;
  display: none;
}
.form-status.success {
  display: block;
  background: #eaf6ee;
  color: var(--success-600);
  border: 1px solid #c6e9d2;
}
.form-status.error {
  display: block;
  background: #fbeceb;
  color: #a3392c;
  border: 1px solid #f2c8c3;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-950);
  color: var(--navy-100);
  padding-block: var(--space-7) var(--space-5);
}

.footer-grid {
  display: grid;
  gap: var(--space-6);
}
@media (min-width: 780px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--white);
  margin-bottom: var(--space-3);
}
.footer-brand img { width: 34px; height: 34px; }

.site-footer h4 {
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.site-footer a {
  text-decoration: none;
  color: var(--navy-100);
  opacity: 0.85;
}
.site-footer a:hover { opacity: 1; color: var(--amber-400); }

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.65em;
}

.footer-bottom {
  margin-top: var(--space-7);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: space-between;
  font-size: 0.85rem;
  opacity: 0.75;
}

.footer-bottom .legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  list-style: none;
  padding: 0;
  margin: 0;
}

.cookie-settings-link {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: inherit;
  text-decoration: underline;
  cursor: pointer;
}

/* ---------- Legal / article pages ---------- */
.legal-article h2 {
  margin-top: var(--space-6);
  font-size: 1.4rem;
}
.legal-article h3 {
  margin-top: var(--space-4);
  font-size: 1.1rem;
}
.legal-article p, .legal-article li { color: var(--ink-700); }
.legal-updated {
  color: var(--ink-500);
  font-size: 0.9rem;
  margin-bottom: var(--space-5);
}
.legal-toc {
  background: var(--navy-50);
  border: 1px solid var(--navy-100);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  margin-bottom: var(--space-6);
}
.legal-toc h2 { font-size: 1rem; font-family: var(--font-sans); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: var(--space-2); }
.legal-toc ol { margin: 0; padding-left: 1.1em; }
.callout {
  background: var(--amber-100);
  border-left: 4px solid var(--amber-500);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  margin: var(--space-5) 0;
}
.callout p:last-child { margin-bottom: 0; }

/* ---------- Cookie banner ---------- */
.cookie-banner {
  position: fixed;
  left: var(--space-4);
  right: var(--space-4);
  bottom: var(--space-4);
  max-width: 620px;
  background: var(--white);
  color: var(--ink-900);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(31,36,48,0.08);
  padding: var(--space-5);
  z-index: 1200;
  transform: translateY(140%);
  transition: transform 0.4s cubic-bezier(.2,.8,.2,1);
}
.cookie-banner.visible { transform: translateY(0); }
.cookie-banner h2 {
  font-size: 1.15rem;
  margin-bottom: 0.5em;
}
.cookie-banner p {
  font-size: 0.92rem;
  margin-bottom: var(--space-4);
}
.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6em;
}

.cookie-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,26,48,0.55);
  z-index: 1100;
  display: none;
}
.cookie-overlay.visible { display: block; }

.cookie-modal {
  position: fixed;
  z-index: 1300;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}
.cookie-modal.visible { display: flex; }

.cookie-modal-panel {
  background: var(--white);
  border-radius: var(--radius-lg);
  max-width: 560px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: var(--space-5);
  box-shadow: var(--shadow-lg);
}

.cookie-category {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid rgba(31,36,48,0.08);
}
.cookie-category:last-of-type { border-bottom: none; }
.cookie-category h3 { margin-bottom: 0.3em; font-size: 1rem; }
.cookie-category p { font-size: 0.88rem; margin: 0; }

.switch {
  position: relative;
  display: inline-block;
  width: 46px;
  height: 26px;
  flex: none;
}
.switch input { opacity: 0; width: 0; height: 0; }
.switch .slider {
  position: absolute;
  inset: 0;
  background: var(--ink-100);
  border-radius: var(--radius-pill);
  transition: 0.2s;
  cursor: pointer;
}
.switch .slider::before {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  left: 3px;
  top: 3px;
  background: var(--white);
  border-radius: 50%;
  transition: 0.2s;
  box-shadow: var(--shadow-sm);
}
.switch input:checked + .slider { background: var(--success-600); }
.switch input:checked + .slider::before { transform: translateX(20px); }
.switch input:disabled + .slider { opacity: 0.6; cursor: not-allowed; }

.cookie-modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6em;
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(31,36,48,0.08);
}

/* ---------- Reveal-on-scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 404 ---------- */
.error-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  text-align: center;
}

/* ---------- Utilities ---------- */
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.text-center { text-align: center; }
.max-w-narrow { max-width: var(--container-narrow); margin-inline: auto; }