/* victorsantoro.com — token system from Design_Bible.md. Do not renegotiate without reason. */

:root {
  /* Core — inherited from print identity */
  --ink:          #1C1B19;
  --charcoal:     #2E2E2E;
  --brass:        #B8912F;
  --brass-bright: #D9B65B;

  /* Surfaces */
  --paper:        #FAF9F6;
  --surface:      #F1EFE9;
  --line:         #DED9CD;

  /* Text */
  --muted:        #6B6862;

  /* Data ramp — reserved for data visualisation only */
  --scan-0: #2E2E2E; --scan-1: #6E5A2B; --scan-2: #B8912F; --scan-3: #D9B65B; --scan-4: #EEDFB4;

  /* Type */
  --font-display: "Archivo", system-ui, sans-serif;
  --font-body:    "Archivo", system-ui, sans-serif;
  --font-data:    "JetBrains Mono", ui-monospace, monospace;

  --step--1: clamp(0.83rem, 0.8rem + 0.15vw, 0.9rem);
  --step-0:  clamp(1rem, 0.96rem + 0.2vw, 1.12rem);
  --step-1:  clamp(1.25rem, 1.18rem + 0.35vw, 1.4rem);
  --step-2:  clamp(1.56rem, 1.44rem + 0.6vw, 1.75rem);
  --step-3:  clamp(1.95rem, 1.75rem + 1vw, 2.19rem);
  --step-4:  clamp(2.44rem, 2.1rem + 1.7vw, 3.4rem);
  --step-5:  clamp(3.05rem, 2.4rem + 3.2vw, 4.8rem);

  /* Spacing — 4px base */
  --s-1: 4px;  --s-2: 8px;   --s-3: 12px; --s-4: 16px; --s-5: 24px;
  --s-6: 32px; --s-7: 48px;  --s-8: 64px; --s-9: 96px; --s-10: 128px;

  --header-h: 64px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step-0);
  font-weight: 400;
  line-height: 1.65;
}

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

.page { max-width: 1240px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.content { max-width: 680px; }
.breakout { max-width: 1100px; }

section { padding-top: var(--s-9); padding-bottom: var(--s-9); }

@media (max-width: 640px) {
  .page { padding-left: 20px; padding-right: 20px; }
  section { padding-top: 56px; padding-bottom: 56px; }
}

/* ---------- Charcoal bands (hero+header merge = one, footer = two) ---------- */

.band { background: var(--charcoal); color: var(--paper); }

/* ---------- Sticky header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  transition: box-shadow 220ms ease;
}
.site-header.scrolled {
  box-shadow: 0 1px 0 0 rgba(184, 145, 47, 0.55), 0 8px 20px rgba(28, 27, 25, 0.28);
}
.site-header .page {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-5);
  padding-top: var(--s-4);
  padding-bottom: var(--s-4);
  transition: padding 220ms ease;
}
.site-header.scrolled .page { padding-top: var(--s-2); padding-bottom: var(--s-2); }

.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-1);
  letter-spacing: -0.01em;
  color: var(--paper);
  text-decoration: none;
  white-space: nowrap;
}
.wordmark .cred {
  font-family: var(--font-data);
  font-size: var(--step--1);
  color: var(--brass-bright);
  letter-spacing: 0.08em;
  margin-left: var(--s-2);
}

nav.site-nav { display: flex; gap: var(--s-5); }
nav.site-nav a {
  font-family: var(--font-data);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--paper);
  text-decoration: none;
  padding: var(--s-1) 0;
  border-bottom: 2px solid transparent;
}
nav.site-nav a:hover { color: var(--brass-bright); }
nav.site-nav a[aria-current="page"] { color: var(--brass-bright); border-bottom-color: var(--brass); }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: var(--s-2);
  border-radius: 2px;
}
.nav-toggle .bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--paper);
  margin: 5px 0;
  transition: transform 200ms ease, opacity 200ms ease;
}
.nav-toggle[aria-expanded="true"] .bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 640px) {
  .nav-toggle { display: block; }
  nav.site-nav {
    display: none;
    position: absolute;
    left: 0; right: 0; top: 100%;
    flex-direction: column;
    gap: 0;
    background: var(--charcoal);
    border-top: 1px solid rgba(217, 182, 91, 0.35);
    box-shadow: 0 12px 24px rgba(28, 27, 25, 0.35);
    padding: var(--s-3) 20px var(--s-5);
  }
  nav.site-nav.open { display: flex; }
  nav.site-nav a { padding: var(--s-3) 0; border-bottom: 0; }
}

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

.site-footer { margin-top: var(--s-9); }
.site-footer .page {
  padding-top: var(--s-7);
  padding-bottom: var(--s-7);
  display: flex;
  justify-content: space-between;
  gap: var(--s-5);
  flex-wrap: wrap;
}
.site-footer p { font-size: var(--step--1); color: var(--paper); }
.site-footer .foot-meta { font-family: var(--font-data); color: var(--brass-bright); letter-spacing: 0.06em; }
.site-footer a { color: var(--brass-bright); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }

/* ---------- Type ---------- */

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.02;
}
h1 { font-size: var(--step-4); max-width: 16ch; }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-2); }

p { max-width: 68ch; }
p + p { margin-top: var(--s-4); }

.lede { font-size: var(--step-1); line-height: 1.5; margin-top: var(--s-5); max-width: 52ch; }

.positioning {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step-1);
  letter-spacing: -0.01em;
  color: var(--muted);
}

.eyebrow {
  display: block;
  font-family: var(--font-data);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: var(--s-4);
}
.band .eyebrow { color: var(--brass-bright); }

a { color: var(--ink); }
:focus-visible { outline: 2px solid var(--brass-bright); outline-offset: 2px; }

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

.hero { padding-top: var(--s-8); padding-bottom: 0; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 640px) minmax(240px, 360px);
  gap: var(--s-8);
  align-items: end;
  max-width: 1100px;
}
.hero-copy { padding-bottom: var(--s-9); }
.hero .positioning { color: var(--brass-bright); }
.hero-portrait { line-height: 0; }
.hero-portrait img { width: 100%; height: auto; display: block; }

@media (max-width: 820px) {
  .hero { padding-top: var(--s-7); }
  .hero-grid { grid-template-columns: 1fr; gap: var(--s-6); }
  .hero-copy { padding-bottom: 0; }
  .hero-portrait { max-width: min(320px, 82%); margin-top: var(--s-4); }
}

/* ---------- The readout cards — signature element ---------- */

.results { padding-top: var(--s-8); }

.reading {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(270px, 100%), 1fr));
  gap: var(--s-5);
}

.readout {
  background: var(--surface);
  border-top: 1px solid var(--line);
  padding: var(--s-5);
}

.ro-figures {
  display: flex;
  flex-wrap: nowrap;
  white-space: nowrap;
  align-items: baseline;
  gap: clamp(10px, 2.2vw, 24px);
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(1.6rem, 1.1rem + 2.2vw, 2.6rem);
  color: var(--ink);
  line-height: 1;
  border-bottom: 2px solid var(--brass);
  padding-bottom: var(--s-3);
}

.readout.compact .ro-figures { font-size: clamp(1.4rem, 1rem + 1.4vw, 1.9rem); }

.ro-arrow { color: var(--brass); flex: 0 0 auto; align-self: center; }
.ro-arrow svg { display: block; overflow: visible; width: clamp(26px, 4vw, 40px); height: auto; }
.ro-arrow line, .ro-arrow polyline {
  stroke: var(--brass);
  stroke-width: 2.5;
  fill: none;
  stroke-linecap: square;
}

.ro-label {
  font-family: var(--font-data);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-top: var(--s-3);
}

/* First-view motion: arrow draws, "after" fades up. The only animation on the site. */
.reading[data-animate] .ro-arrow line { stroke-dasharray: 40; stroke-dashoffset: 40; }
.reading[data-animate] .ro-arrow polyline { stroke-dasharray: 24; stroke-dashoffset: 24; }
.reading[data-animate] .ro-after { opacity: 0; transform: translateY(8px); display: inline-block; }

.reading.is-visible .ro-arrow line,
.reading.is-visible .ro-arrow polyline { animation: draw 400ms ease-out forwards; }
.reading.is-visible .ro-after { animation: rise 300ms ease-out 150ms forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes rise { to { opacity: 1; transform: translateY(0); } }

@media (prefers-reduced-motion: reduce) {
  .reading[data-animate] .ro-arrow line,
  .reading[data-animate] .ro-arrow polyline { stroke-dasharray: none; stroke-dashoffset: 0; }
  .reading[data-animate] .ro-after { opacity: 1; transform: none; }
  .reading.is-visible .ro-arrow line,
  .reading.is-visible .ro-arrow polyline,
  .reading.is-visible .ro-after { animation: none; }
  .site-header, .site-header .page, .nav-toggle .bar { transition: none; }
}

.reading-note { font-size: var(--step--1); color: var(--muted); margin-top: var(--s-6); max-width: 68ch; }

/* ---------- Proof chapters ---------- */

.chapter {
  border-top: 1px solid var(--line);
  padding-top: var(--s-6);
  margin-top: var(--s-7);
  display: grid;
  grid-template-columns: minmax(0, 680px) minmax(280px, 1fr);
  gap: var(--s-6) var(--s-8);
  align-items: start;
}
.chapter .role {
  font-family: var(--font-data);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: var(--s-3);
}
@media (max-width: 900px) {
  .chapter { grid-template-columns: 1fr; }
}

/* ---------- Actions ---------- */

.action {
  display: inline-block;
  font-family: var(--font-data);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--paper);
  background: var(--charcoal);
  text-decoration: none;
  padding: var(--s-4) var(--s-6);
  border: 1px solid var(--charcoal);
  border-radius: 2px; /* radius only on interactive elements */
  cursor: pointer;
}
.action:hover { background: var(--ink); color: var(--brass-bright); }

/* ---------- Definition rows ---------- */

.defs { border-top: 1px solid var(--line); margin-top: var(--s-6); }
.defs > div {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--s-5);
  padding: var(--s-4) 0;
  border-bottom: 1px solid var(--line);
}
.defs dt {
  font-family: var(--font-data);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  padding-top: 3px;
}
.defs dd { max-width: 60ch; }
.defs dd a { color: var(--ink); }
@media (max-width: 560px) {
  .defs > div { grid-template-columns: 1fr; gap: var(--s-1); }
}

/* ---------- Method page ---------- */

.tag-stage { border-top: 1px solid var(--line); padding-top: var(--s-6); margin-top: var(--s-7); }
.tag-stage .stage-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-2);
  letter-spacing: -0.02em;
}
.tag-stage .stage-name .tag-letter {
  font-family: var(--font-data);
  color: var(--brass);
  font-size: var(--step-2);
  margin-right: var(--s-3);
}

.tag-figure {
  border-top: 1px solid var(--line);
  padding-top: var(--s-6);
  margin-top: var(--s-7);
  max-width: 760px;
}
.tag-figure svg { width: 100%; height: auto; display: block; }
.tag-figure .node { fill: none; stroke: var(--ink); stroke-width: 2; }
.tag-figure .connector { stroke: var(--brass); stroke-width: 2.5; }
.tag-figure .arrowhead { fill: none; stroke: var(--brass); stroke-width: 2.5; stroke-linecap: square; }
.tag-figure .lbl {
  font-family: var(--font-data);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.12em;
  fill: var(--ink);
}
.tag-figure .lbl-action { fill: var(--brass); }
.tag-figure .sublbl { font-family: var(--font-data); font-size: 10.5px; letter-spacing: 0.1em; fill: var(--muted); }
.tag-figure figcaption {
  font-family: var(--font-data);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-top: var(--s-4);
}

.tag-mini { max-width: 420px; margin-top: var(--s-6); }
.tag-mini svg { width: 100%; height: auto; display: block; }

.reserved { background: var(--surface); padding: var(--s-6); margin-top: var(--s-7); max-width: 680px; }
.reserved .eyebrow { margin-bottom: var(--s-3); }

/* ---------- Writing index ---------- */

.empty-state {
  border-top: 1px solid var(--line);
  border-bottom: 2px solid var(--brass);
  padding: var(--s-7) 0;
  margin-top: var(--s-7);
  max-width: 680px;
}
.empty-state p { font-size: var(--step-1); line-height: 1.5; }

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

.contact-form { margin-top: var(--s-6); max-width: 560px; }
.form-field { margin-top: var(--s-5); }
.form-field label {
  display: block;
  font-family: var(--font-data);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: var(--s-2);
}
.form-field input,
.form-field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--step-0);
  color: var(--ink);
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: var(--s-3) var(--s-4);
}
.form-field input:focus-visible,
.form-field textarea:focus-visible {
  outline: 2px solid var(--brass-bright);
  outline-offset: 2px;
  border-color: var(--brass);
}
.form-field textarea { min-height: 160px; resize: vertical; }
.contact-form .action { margin-top: var(--s-6); border: 0; }

/* ---------- Utility ---------- */

.mt-5 { margin-top: var(--s-5); }
.mt-6 { margin-top: var(--s-6); }
.mt-7 { margin-top: var(--s-7); }

.skip-link {
  position: absolute;
  left: -9999px; top: 0;
  background: var(--charcoal);
  color: var(--brass-bright);
  padding: var(--s-3) var(--s-4);
  font-family: var(--font-data);
  font-size: var(--step--1);
  z-index: 200;
}
.skip-link:focus { left: 0; }

/* ---------- Eyebrow word flip (hero) ---------- */

.flip-word {
  display: inline-block;
  font-weight: 700;
  color: var(--brass-bright);
  transform-origin: 50% 100%;
  transition: transform 260ms ease, opacity 260ms ease;
}
.flip-word.flip-out { transform: rotateX(90deg); opacity: 0; }
@media (prefers-reduced-motion: reduce) {
  .flip-word { transition: none; }
}

/* ---------- Page portraits (method, contact) ---------- */

.with-portrait {
  display: grid;
  grid-template-columns: minmax(0, 680px) minmax(200px, 300px);
  gap: var(--s-8);
  align-items: end;
  max-width: 1100px;
}
.page-portrait { line-height: 0; }
.page-portrait img { width: 100%; height: auto; display: block; }
@media (max-width: 900px) {
  .with-portrait { grid-template-columns: 1fr; }
  .page-portrait { max-width: min(280px, 70%); margin-top: var(--s-6); }
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 560px) minmax(180px, 260px);
  gap: var(--s-8);
  align-items: end;
  max-width: 1100px;
}
.contact-layout .contact-form { margin-top: 0; }
@media (max-width: 900px) {
  .contact-layout { grid-template-columns: 1fr; }
  .contact-portrait { max-width: min(260px, 66%); margin-top: var(--s-6); }
}

/* Lexical readouts — word pairs need a lower clamp so they never wrap.
   Per the readout spec: if a pair is wider, lower the floor; never stack. */
.readout.lexical .ro-figures { font-size: clamp(1.45rem, 1rem + 2vw, 2.4rem); }
.readout.single .ro-figures { font-size: clamp(1.7rem, 1.2rem + 2.2vw, 2.6rem); }

/* TAG diagram: wide figure on desktop, compact high-legibility figure on phones */
.tag-figure .tag-narrow { display: none; }
.tag-figure .tag-narrow .lbl { font-size: 21px; letter-spacing: 0.08em; }
.tag-figure .tag-narrow .sublbl { font-size: 13px; letter-spacing: 0.08em; }
.tag-figure .tag-narrow .lbl-action { font-size: 20px; }
@media (max-width: 700px) {
  .tag-figure .tag-wide { display: none; }
  .tag-figure .tag-narrow { display: block; }
}