/* Joy Truepath — Operator's Workshop
   See DESIGN.md for the system of record. */

:root {
  --ink: #0A0E1A;
  --paper: #FAFAF7;
  --slate: #5B6573;
  --line: #E4E2DA;
  --signal: #1F4FD9;
  --signal-ink: #0E2E8A;

  /* Per-product accents (all derived from parent system).
     Use sparingly: card stripe, name dot, status. */
  --accent-office:    #1F4FD9; /* flagship inherits the parent signal */
  --accent-recorder:  #B5482F; /* warm ember — capture / on-air feel */
  --accent-vpn:       #1E2A78; /* deep indigo — secure depth */
  --accent-frame:     #5B5180; /* graphite violet — creative, restrained */

  --success: #2E7D5B;
  --warn: #B5751F;
  --error: #B5341F;

  --font-serif: "Source Serif 4", "Iowan Old Style", Georgia, serif;
  --font-sans: "Geist", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --max-grid: 80rem;

  --r-sm: 2px;
  --r-lg: 6px;

  --ease-out: cubic-bezier(0.2, 0, 0, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --t-micro: 100ms;
  --t-short: 180ms;
  --t-med: 240ms;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.55;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--signal); color: var(--paper); }

.container {
  width: 100%;
  max-width: var(--max-grid);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
}

main { display: block; }

section {
  position: relative;
  padding: clamp(4rem, 9vw, 8rem) 0;
  border-top: 1px solid var(--line);
}

section:first-of-type { border-top: 0; }

.section-marker {
  position: absolute;
  top: clamp(1.5rem, 3vw, 2.5rem);
  right: clamp(1.25rem, 4vw, 3rem);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--slate);
  text-transform: uppercase;
}
.section-marker .id { color: var(--signal); }

/* ----------------------------------------------------- Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--paper) 92%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 0.625rem;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0;
  border-radius: var(--r-sm);
  transform: translateY(2px);
}

.brand-text small {
  color: var(--slate);
  font-size: 0.6875rem;
  margin-left: 0.25rem;
  letter-spacing: 0.04em;
}

.main-nav {
  display: flex;
  gap: clamp(1rem, 2.5vw, 2rem);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.main-nav a {
  color: var(--slate);
  text-decoration: none;
  transition: color var(--t-short) var(--ease-out);
}

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

/* ----------------------------------------------------- Typography */

h1, h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0;
}

h1 {
  font-size: clamp(3rem, 7vw, 5.5rem);
  max-width: 18ch;
}

h2 {
  font-size: clamp(2.25rem, 4.2vw, 3.5rem);
  letter-spacing: -0.02em;
  max-width: 22ch;
}

h3 {
  font-family: var(--font-sans);
  font-size: 1.375rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin: 0 0 0.5rem;
}

p { margin: 0; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
  margin: 0 0 2rem;
}

a { color: var(--signal); text-decoration: none; transition: color var(--t-short) var(--ease-out); }
a:hover { color: var(--signal-ink); }

/* ----------------------------------------------------- Hero */

.hero { padding-top: clamp(5rem, 11vw, 9rem); }

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: end;
}

.hero h1 { margin-bottom: 1.75rem; }

.hero-copy {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  line-height: 1.55;
  color: var(--slate);
  max-width: 52ch;
  margin-bottom: 2.5rem;
}

.hero-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--slate);
  border-top: 1px solid var(--line);
  padding-top: 1rem;
  display: grid;
  gap: 0.5rem;
}

.hero-meta dt { color: var(--slate); }
.hero-meta dd { margin: 0; color: var(--ink); }
.hero-meta .row { display: flex; justify-content: space-between; gap: 1rem; }

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-meta { margin-top: 1rem; }
}

/* ----------------------------------------------------- Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  text-decoration: none;
  transition: background var(--t-short) var(--ease-out), color var(--t-short) var(--ease-out), border-color var(--t-short) var(--ease-out);
  cursor: pointer;
}

.btn-primary { background: var(--signal); color: var(--paper); }
.btn-primary:hover { background: var(--signal-ink); color: var(--paper); }

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-secondary:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.btn .arrow { transition: transform var(--t-short) var(--ease-out); }
.btn:hover .arrow { transform: translateX(3px); }

/* ----------------------------------------------------- Two-column split */

.split {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: clamp(2rem, 6vw, 5rem);
}

.split .label {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--signal);
  padding-top: 0.875rem;
  border-top: 2px solid var(--signal);
  align-self: start;
}

.split .body p + p { margin-top: 1rem; }

@media (max-width: 760px) {
  .split { grid-template-columns: 1fr; gap: 1.25rem; }
}

/* ----------------------------------------------------- Stance grid */

.stance-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 3rem;
}

.stance-grid .item {
  background: var(--paper);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.stance-grid .num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--signal);
  font-weight: 500;
}

.stance-grid p { color: var(--slate); font-size: 1rem; line-height: 1.55; }

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

/* ----------------------------------------------------- Portfolio (priority-weighted) */

/* Architecture reference rail above the grid — visually anchors all 4 products
   to the parent brand. "Joy Truepath" sits at the top; products descend. */
.portfolio-tree {
  margin-top: 3.5rem;
  padding: 1.25rem 0 0.5rem;
  border-top: 1px solid var(--ink);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--slate);
}
.portfolio-tree .root { color: var(--ink); }
.portfolio-tree .root::before {
  content: "";
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--ink);
  border-radius: var(--r-sm);
  margin-right: 0.5rem;
  transform: translateY(-1px);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.product {
  --accent: var(--signal);
  position: relative;
  border: 1px solid var(--line);
  background: var(--paper);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  padding-left: calc(clamp(1.5rem, 3vw, 2.5rem) + 6px);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transition: border-color var(--t-short) var(--ease-out), transform var(--t-short) var(--ease-out);
  overflow: hidden;
}

/* Left accent stripe — the per-product brand signal */
.product::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--accent);
}

/* Tiny architecture trace at top: shows each product descends from Joy Truepath */
.product::after {
  content: "↳ Joy Truepath";
  position: absolute;
  top: 0.875rem;
  right: clamp(1rem, 2.5vw, 1.5rem);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--slate);
  opacity: 0.6;
}

.product:hover { border-color: var(--ink); }
.product:hover::after { opacity: 1; }

.product .meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.product .name {
  font-family: var(--font-sans);
  font-size: 1.875rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.1;
  margin: 0;
  color: var(--ink);
}

.product .name .dot { color: var(--accent); }

.product .copy {
  color: var(--slate);
  font-size: 1rem;
  line-height: 1.55;
}

.product .footer {
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--slate);
}

.product .footer .role { color: var(--accent); }
.product .footer .status.live { color: var(--success); }
.product .footer .status.rc { color: var(--warn); }
.product .footer .status.dev { color: var(--slate); }

/* Per-product accent assignment */
.product.is-office   { --accent: var(--accent-office); }
.product.is-recorder { --accent: var(--accent-recorder); }
.product.is-vpn      { --accent: var(--accent-vpn); }
.product.is-frame    { --accent: var(--accent-frame); }

/* Priority weighting — design tells the truth about focus */
.product.priority-1 { grid-column: span 4; min-height: 20rem; }
.product.priority-2 { grid-column: span 2; min-height: 20rem; }
.product.priority-3 { grid-column: span 3; }
.product.priority-4 { grid-column: span 3; }

.product.priority-1 .name { font-size: clamp(2.25rem, 3.4vw, 2.75rem); }
.product.priority-1 .copy { font-size: 1.125rem; max-width: 48ch; }

@media (max-width: 960px) {
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .product.priority-1, .product.priority-2,
  .product.priority-3, .product.priority-4 { grid-column: span 1; }
}
@media (max-width: 560px) {
  .portfolio-grid { grid-template-columns: 1fr; }
}

/* ----------------------------------------------------- Structure */

.structure {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 3rem;
  border: 1px solid var(--line);
}

.structure .layer {
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.structure .layer:last-child { border-right: 0; }

.structure .index {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: var(--signal);
  font-weight: 500;
}

.structure h3 { font-size: 1.5rem; margin-bottom: 0.5rem; }
.structure p { color: var(--slate); font-size: 1rem; line-height: 1.55; }

@media (max-width: 760px) {
  .structure { grid-template-columns: 1fr; }
  .structure .layer { border-right: 0; border-bottom: 1px solid var(--line); }
  .structure .layer:last-child { border-bottom: 0; }
}

/* ----------------------------------------------------- Contact */

.contact-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: end;
  padding-top: clamp(2rem, 5vw, 4rem);
}

.contact-block h2 { max-width: 28ch; }

.contact-block .email {
  font-family: var(--font-mono);
  font-size: 1rem;
  letter-spacing: 0.02em;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
}
.contact-block .email:hover { color: var(--signal); border-color: var(--signal); }

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

/* ----------------------------------------------------- Footer */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0;
}

.site-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--slate);
  text-transform: uppercase;
}

.site-footer a { color: var(--slate); }
.site-footer a:hover { color: var(--ink); }

.footer-nav {
  display: flex;
  gap: 1.5rem;
}
.footer-nav a { text-decoration: none; }

/* -------------------------------------------------- Legal pages (privacy, terms) */

.legal-main {
  max-width: 44rem;
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 6rem) clamp(1.25rem, 4vw, 3rem) clamp(4rem, 8vw, 8rem);
}

.legal-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
  margin: 0 0 1.5rem;
}

.legal-main h1 {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  margin-bottom: 0.75rem;
  max-width: none;
}

.legal-meta {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--slate);
  margin-bottom: 3rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.legal-main h2 {
  font-size: clamp(1.5rem, 2.5vw, 1.875rem);
  margin: 3rem 0 1rem;
  max-width: none;
}

.legal-main h3 {
  font-size: 1.125rem;
  font-weight: 500;
  margin: 2rem 0 0.75rem;
}

.legal-main p {
  font-size: 1.0625rem;
  line-height: 1.65;
  margin: 0 0 1rem;
  color: var(--ink);
}

.legal-main p + p { margin-top: 0.875rem; }

.legal-main ul,
.legal-main ol {
  font-size: 1.0625rem;
  line-height: 1.65;
  padding-left: 1.5rem;
  margin: 0 0 1rem;
  color: var(--ink);
}

.legal-main li { margin-bottom: 0.375rem; }

.legal-main strong { color: var(--ink); font-weight: 600; }

.legal-main code {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--ink);
  background: color-mix(in oklab, var(--signal) 8%, var(--paper));
  padding: 0.125rem 0.375rem;
  border-radius: var(--r-sm);
}

.legal-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--slate);
  text-decoration: none;
  margin-bottom: 2rem;
}
.legal-back:hover { color: var(--ink); }

@media (max-width: 560px) {
  .site-footer .container { flex-direction: column; gap: 0.75rem; align-items: flex-start; }
}

/* ----------------------------------------------------- A11y */

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}