/* ==========================================================================
   MODERNIST — design-system tokens + components for Dr. Z site mockups
   Namespaced with .m- prefixes so nothing collides with Bootstrap 5.
   Tokens are the source of truth: never hard-code a hex or a font below.
   ========================================================================== */

:root {
  --color-bg: #f3f2f2;
  --color-surface: #eae9e9;
  --color-text: #201e1d;
  --color-accent: #ec3013;
  --color-divider: color-mix(in srgb, #201e1d 40%, transparent);
  --color-neutral-100: #f8f4f4;
  --color-neutral-200: #eae7e7;
  --color-neutral-300: #d7d3d3;
  --color-neutral-400: #bab6b6;
  --color-neutral-500: #9b9797;
  --color-neutral-600: #7d7979;
  --color-neutral-700: #605d5d;
  --color-neutral-800: #444141;
  --color-neutral-900: #2d2b2b;
  --color-accent-100: #fff2ef;
  --color-accent-200: #ffe0d9;
  --color-accent-300: #ffc4b8;
  --color-accent-400: #ff9783;
  --color-accent-500: #ff563c;
  --color-accent-600: #dd2b0f;
  --color-accent-700: #ae1800;
  --color-accent-800: #7c1405;
  --color-accent-900: #4d170e;
  --font-heading: "Archivo", system-ui, sans-serif;
  --font-heading-weight: 800;
  --font-body: "Archivo", system-ui, sans-serif;
  --font-mono: ui-monospace, Menlo, Consolas, monospace;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --radius-sm: 0px;
  --radius-md: 0px;
  --radius-lg: 0px;
  --shadow-sm: 0 1px 2px color-mix(in srgb, #2d2b2b 14%, transparent);
  --shadow-md: 0 3px 10px color-mix(in srgb, #2d2b2b 16%, transparent);
  --shadow-lg: 0 12px 32px color-mix(in srgb, #2d2b2b 22%, transparent);
  --gutter: clamp(20px, 4vw, 40px);
}

/* — base — */

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

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  font-weight: 400;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin: 0 0 var(--space-2);
}

h1 {
  font-size: clamp(34px, 5.2vw, 52px);
  line-height: 1.02;
  letter-spacing: -0.025em;
}

h2 {
  font-size: clamp(26px, 3vw, 32px);
}

h3 {
  font-size: clamp(20px, 2.2vw, 25px);
}

h4 {
  font-size: 20px;
}

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

a {
  color: var(--color-accent-700);
  text-underline-offset: 3px;
}

a:hover {
  color: var(--color-accent);
}

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

:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

::selection {
  background: color-mix(in srgb, var(--color-accent) 30%, transparent);
}

.m-muted {
  color: var(--color-neutral-800);
}

.m-grayscale img, img.m-grayscale {
  filter: grayscale(1) contrast(1.08);
}

/* — page frame — */

.m-page {
  max-width: 1160px;
  margin: 0 auto;
  background: var(--color-bg);
}

.m-pad {
  padding: clamp(32px, 4vw, 56px) var(--gutter);
}

.m-rule {
  height: 2px;
  border: 0;
  margin: 0;
  background: var(--color-divider);
}

.m-top {
  border-top: 2px solid var(--color-divider);
}

.m-bottom {
  border-bottom: 2px solid var(--color-divider);
}

.m-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.3;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-neutral-700);
}

.m-kicker--accent {
  color: var(--color-accent-700);
}

.m-lead {
  font-size: 16px;
  color: var(--color-neutral-800);
  max-width: 52ch;
}

/* — image placeholders (swap for real photography in Bootstrap Studio) — */

.m-ph {
  background: repeating-linear-gradient(135deg, var(--color-neutral-300) 0 6px, var(--color-surface) 6px 12px);
  display: flex;
  align-items: flex-end;
  padding: var(--space-3);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--color-neutral-700);
  min-height: 280px;
}

.m-ph--tall {
  min-height: 420px;
}

.m-ph--cover {
  min-height: 210px;
}

/* — header — */

.m-header {
  border-bottom: 2px solid var(--color-divider);
  background: var(--color-bg);
}

.m-header--ink {
  background: var(--color-neutral-900);
  border-bottom: 0;
}

.m-header--ink .m-brand, .m-header--ink .m-nav a {
  color: var(--color-bg);
}

.m-header-in {
  max-width: 1160px;
  margin: 0 auto;
  padding: var(--space-3) var(--gutter);
  display: flex;
  align-items: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.m-brand {
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: 20px;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--color-text);
  text-decoration: none;
}

.m-brand small {
  display: block;
  margin-top: var(--space-1);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-neutral-700);
  font-weight: 400;
}

.m-nav {
  display: flex;
  gap: var(--space-6);
  margin-left: auto;
  flex-wrap: wrap;
}

.m-nav a {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 13px;
  color: var(--color-text);
  text-decoration: none;
}

.m-nav a:hover, .m-nav a[aria-current="page"] {
  color: var(--color-accent);
}

.m-navtoggle {
  margin-left: auto;
  display: none;
  background: transparent;
  cursor: pointer;
  border: 1px solid var(--color-divider);
  border-radius: 0;
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: inherit;
}

.m-navtoggle:hover {
  background: color-mix(in srgb, var(--color-text) 7%, transparent);
}

/* — buttons (namespaced: .m-btn, not Bootstrap's .btn) — */

.m-btn {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 6px;
  cursor: pointer;
  text-decoration: none;
  text-align: left;
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: 14px;
  line-height: 1.2;
  color: var(--color-text);
  background: transparent;
  border: 1px solid transparent;
  padding: var(--space-2) calc(var(--space-3) * 1.2);
  border-radius: var(--radius-md);
}

.m-btn--primary {
  background: var(--color-accent);
  color: var(--color-bg);
}

.m-btn--primary:hover {
  background: var(--color-accent-600);
  color: var(--color-bg);
}

.m-btn--primary:active {
  background: var(--color-accent-700);
}

.m-btn--secondary {
  border-color: var(--color-divider);
}

.m-btn--secondary:hover {
  background: color-mix(in srgb, var(--color-text) 7%, transparent);
}

.m-btn--secondary:active {
  background: color-mix(in srgb, var(--color-text) 14%, transparent);
}

.m-btn--ghost {
  color: var(--color-accent-700);
  padding-left: 0;
  padding-right: var(--space-1);
}

.m-btn--ghost:hover {
  color: var(--color-accent);
  background: color-mix(in srgb, var(--color-accent) 10%, transparent);
}

.m-btn--invert {
  background: var(--color-bg);
  color: var(--color-text);
}

.m-btn--invert:hover {
  background: #fff;
  color: var(--color-text);
}

.m-btn--outline-invert {
  border-color: var(--color-bg);
  color: var(--color-bg);
}

.m-btn--outline-invert:hover {
  background: color-mix(in srgb, #f3f2f2 16%, transparent);
  color: var(--color-bg);
}

.m-btn--block {
  width: 100%;
  margin-top: var(--space-2);
}

.m-btns {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

/* — grid of cells (the system's modular rhythm) — */

.m-cells {
  display: grid;
}

.m-cells--2 {
  grid-template-columns: repeat(2, 1fr);
}

.m-cells--3 {
  grid-template-columns: repeat(3, 1fr);
}

.m-cell {
  padding: clamp(26px, 2.6vw, 40px) var(--gutter);
  border-right: 2px solid var(--color-divider);
}

.m-cell:last-child {
  border-right: 0;
}

.m-cell--surface {
  background: var(--color-surface);
}

.m-split {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
}

.m-split--rev {
  grid-template-columns: 360px 1fr;
}

.m-split > * + * {
  border-left: 2px solid var(--color-divider);
}

/* — stats — */

.m-stat-n {
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: clamp(38px, 4.4vw, 52px);
  line-height: 1;
  letter-spacing: -0.03em;
}

/* — credential / index lists — */

.m-list {
  display: flex;
  flex-direction: column;
  margin-top: var(--space-4);
}

.m-list > li {
  list-style: none;
  padding: 11px 0;
  border-bottom: 1px solid var(--color-divider);
  font-size: 14px;
}

.m-list > li:last-child {
  border-bottom: 0;
}

.m-list {
  padding: 0;
}

.m-idx {
  border-top: 1px solid var(--color-divider);
  display: grid;
  grid-template-columns: 64px 1fr 1fr 120px;
  gap: var(--space-3);
  align-items: baseline;
  padding: 18px 0;
}

.m-idx:last-child {
  border-bottom: 1px solid var(--color-divider);
}

.m-idx-n {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--color-accent-700);
}

.m-idx-t {
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: clamp(18px, 2vw, 22px);
  letter-spacing: -0.01em;
}

.m-idx-d {
  font-size: 13px;
  color: var(--color-neutral-800);
}

/* — poster bands — */

.m-band {
  padding: clamp(38px, 5vw, 64px) var(--gutter);
}

.m-band--accent {
  background: var(--color-accent);
  color: var(--color-bg);
}

.m-band--ink {
  background: var(--color-neutral-900);
  color: var(--color-bg);
}

.m-band--accent .m-kicker, .m-band--ink .m-kicker {
  color: var(--color-bg);
  font-size: 12px;
}

.m-band h1, .m-band h2 {
  color: var(--color-bg);
}

.m-band--poster h1 {
  font-size: clamp(38px, 7vw, 80px);
  line-height: 0.95;
  letter-spacing: -0.04em;
  max-width: 24ch;
  margin: var(--space-6) 0 0;
}

.m-cta {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  flex-wrap: wrap;
  padding: clamp(28px, 3.4vw, 38px) var(--gutter);
}

.m-cta-t {
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1;
  letter-spacing: -0.02em;
}

.m-cta .m-btn {
  margin-left: auto;
}

/* — forms (namespaced) — */

.m-field {
  margin-top: var(--space-3);
}

.m-field label {
  display: block;
  font-size: 12px;
  margin-bottom: 5px;
  color: var(--color-neutral-800);
}

.m-input {
  width: 100%;
  min-height: 36px;
  padding: 6px 10px;
  font: inherit;
  font-size: 14px;
  color: var(--color-text);
  caret-color: var(--color-accent);
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
}

.m-input:hover {
  border-color: color-mix(in srgb, var(--color-text) 45%, transparent);
}

.m-input:focus-visible {
  border-color: var(--color-accent);
  outline-offset: 0;
}

.m-seg {
  display: flex;
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.m-seg .m-opt {
  flex: 1;
}

.m-opt {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  font-size: 13px;
  cursor: pointer;
  margin: 0;
}

.m-opt input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.m-seg .m-opt + .m-opt {
  border-left: 1px solid var(--color-divider);
}

.m-opt:has(input:checked) {
  background: var(--color-accent);
  color: var(--color-bg);
}

.m-opt:not(:has(input:checked)):hover {
  background: color-mix(in srgb, var(--color-text) 7%, transparent);
}

.m-opt:has(input:focus-visible) {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

.m-slots {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.m-slots .m-opt {
  border: 1px solid var(--color-divider);
}

.m-panel {
  background: var(--color-surface);
  padding: clamp(26px, 3vw, 36px) var(--gutter);
}

.m-fineprint {
  font-size: 11px;
  color: var(--color-neutral-700);
  margin-top: var(--space-4);
}

/* — footer — */

.m-footer {
  padding: clamp(26px, 3vw, 34px) var(--gutter);
  font-size: 13px;
  color: var(--color-neutral-800);
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-8);
}

.m-footer strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 15px;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.m-footer--ink {
  background: var(--color-neutral-900);
  color: color-mix(in srgb, #f3f2f2 78%, transparent);
}

.m-footer--ink strong {
  color: var(--color-bg);
}

.m-copyright {
  padding: var(--space-4) var(--gutter);
  border-top: 2px solid var(--color-divider);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-neutral-700);
}

/* — books row — */

.m-books {
  display: grid;
  grid-template-columns: 1fr 200px 200px;
  gap: var(--space-8);
  align-items: end;
  padding: clamp(28px, 3vw, 34px) var(--gutter);
  background: var(--color-surface);
}

.m-hero-photo {
  width: 100%;
  height: auto;
  align-self: start;
  object-fit: contain;
}

/* — responsive: cells stack, side rules become bottom rules — */

@media (max-width: 900px) {
  .m-cells--3, .m-cells--2, .m-split, .m-split--rev, .m-footer, .m-books {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .m-cell {
    border-right: 0;
    border-bottom: 2px solid var(--color-divider);
  }
}

@media (max-width: 900px) {
  .m-cell:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 900px) {
  .m-split > * + * {
    border-left: 0;
    border-top: 2px solid var(--color-divider);
  }
}

@media (max-width: 900px) {
  .m-idx {
    grid-template-columns: 44px 1fr;
  }
}

@media (max-width: 900px) {
  .m-idx-d, .m-idx .m-btn--ghost {
    grid-column: 2;
  }
}

@media (max-width: 900px) {
  .m-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: var(--space-3);
    margin: var(--space-4) 0 0;
  }
}

@media (max-width: 900px) {
  .m-nav.is-open {
    display: flex;
  }
}

@media (max-width: 900px) {
  .m-navtoggle {
    display: inline-flex;
  }
}

@media (max-width: 900px) {
  .m-cta .m-btn {
    margin-left: 0;
  }
}

@media (max-width: 560px) {
  .m-slots {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   INTERIOR PAGES — page head, prose column, sidebar, photography, covers
   ========================================================================== */

.m-crumb {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-neutral-700);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}

.m-crumb a {
  color: inherit;
  text-decoration: none;
}

.m-crumb a:hover {
  color: var(--color-accent);
}

.m-crumb span {
  color: var(--color-neutral-400);
}

.m-pagehead {
  padding: clamp(28px, 3.4vw, 44px) var(--gutter);
}

.m-pagehead h1 {
  margin: var(--space-4) 0 var(--space-3);
  max-width: 20ch;
}

.m-prose {
  max-width: 64ch;
}

.m-prose p {
  font-size: 16px;
  color: var(--color-neutral-800);
}

.m-prose h2 {
  margin: var(--space-8) 0 var(--space-3);
}

.m-prose h2:first-child {
  margin-top: 0;
}

.m-prose strong {
  color: var(--color-text);
}

.m-side {
  background: var(--color-surface);
  padding: clamp(24px, 2.6vw, 32px) var(--gutter);
}

.m-side section + section {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 2px solid var(--color-divider);
}

.m-photo-frame {
  margin: 0;
  display: flex;
}

.m-photo {
  display: block;
  width: 100%;
  height: auto !important;
  object-fit: contain;
}

.m-photo--bw {
  filter: grayscale(1) contrast(1.08);
}

.m-defs {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-2) var(--space-4);
  margin: var(--space-4) 0 0;
  font-size: 14px;
}

.m-defs dt {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-neutral-700);
  padding-top: 3px;
}

.m-defs dd {
  margin: 0;
}

.m-covers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.m-cover {
  margin: 0;
}

.m-cover img {
  width: 100%;
  box-shadow: var(--shadow-md);
}

.m-pull {
  padding: clamp(34px, 4vw, 56px) var(--gutter);
}

.m-pull p {
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  max-width: 30ch;
  margin: 0;
}

@media (max-width: 900px) {
  .m-covers {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 900px) {
  .m-photo {
    height: auto;
  }
}

/* — site plan / directions map (a diagram, not a photograph: stays in color) — */

.m-map {
  margin: 0;
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.m-map img {
  width: 100%;
  height: auto;
}