@import url('https://fonts.googleapis.com/css2?family=Bitter:wght@400;500;600;700;800&family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@400;500;600;700&display=swap');

:root {
  --paper: #F2EAD9;
  --paper-dark: #E6D9BE;
  --cover: #241D17;
  --cover-soft: #322820;
  --ink: #2A2118;
  --ink-soft: #6B5D4C;
  --rust: #9C3B24;
  --rust-dark: #7C2E1B;
  --olive: #57623F;
  --line: #C9BB9E;
  --line-dark: #4A3D30;

  --font-serif: "Bitter", Georgia, serif;
  --font-sans: "IBM Plex Sans", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

img {
  max-width: 100%;
}

.container {
  width: min(1100px, calc(100% - 32px));
  margin: auto;
}

/* NAV */

.site-header {
  background: var(--cover);
  color: var(--paper);
  border-bottom: 3px solid var(--rust);
}

.nav {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: .04em;
}

.logo span {
  color: #D79A68;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .04em;
  opacity: .85;
}

.nav-links a:hover {
  color: #D79A68;
  opacity: 1;
}

.nav-toggle {
  display: none;
  background: transparent;
  color: var(--paper);
  border: 1px solid var(--line-dark);
  padding: 8px 12px;
}

/* HERO */

.hero {
  padding: 80px 0 60px;
  background:
    linear-gradient(rgba(242,234,217,.94), rgba(242,234,217,.94)),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 30px,
      rgba(42,33,24,.04) 31px
    );
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 45px;
  align-items: center;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--rust);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.hero h1 {
  margin: 0 0 20px;
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 7vw, 5.2rem);
  line-height: .98;
  letter-spacing: -.04em;
}

.hero h1 span {
  color: var(--rust);
}

.hero p {
  max-width: 650px;
  color: var(--ink-soft);
  font-size: 1.1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: .78rem;
  text-transform: uppercase;
  transition: .2s;
}

.btn:hover {
  background: var(--rust);
  border-color: var(--rust);
}

.btn-outline {
  background: transparent;
  color: var(--ink);
}

.btn-outline:hover {
  color: white;
}

/* QUOTE CARD */

.quote-card {
  background: var(--cover);
  color: var(--paper);
  padding: 28px;
  border: 1px solid var(--line-dark);
  box-shadow: 8px 8px 0 var(--paper-dark);
}

.entry-no {
  font-family: var(--font-mono);
  color: #D79A68;
  font-size: .7rem;
  margin-bottom: 20px;
}

.quote-card blockquote {
  margin: 0 0 18px;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1.45;
}

.quote-card cite {
  color: #BDAF99;
  font-family: var(--font-mono);
  font-size: .72rem;
}

.quote-actions {
  display: flex;
  gap: 8px;
  margin-top: 22px;
}

.quote-actions button {
  background: transparent;
  color: var(--paper);
  border: 1px solid var(--line-dark);
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: .7rem;
}

.quote-actions button:hover {
  background: var(--cover-soft);
}

/* SECTIONS */

.section {
  padding: 70px 0;
}

.section-dark {
  background: var(--cover);
  color: var(--paper);
}

.section-title {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 3rem);
}

.section-subtitle {
  margin: 0 0 35px;
  color: var(--ink-soft);
}

.section-dark .section-subtitle {
  color: #BDAF99;
}

/* CARDS */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.18);
  padding: 25px;
}

.card-number {
  font-family: var(--font-mono);
  color: var(--rust);
  font-size: .7rem;
  margin-bottom: 15px;
}

.card h3 {
  font-family: var(--font-serif);
  margin: 0 0 8px;
}

.card p {
  color: var(--ink-soft);
  margin: 0;
}

/* AD */

.ad-slot {
  border: 1px dashed var(--line);
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: .65rem;
  margin: 25px auto;
}

.ad-slot--sticky {
  position: fixed;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: min(720px, calc(100% - 20px));
  min-height: 70px;
  background: var(--paper);
  z-index: 999;
  box-shadow: 0 -3px 15px rgba(0,0,0,.12);
}

.js-close-sticky {
  position: absolute;
  right: 5px;
  top: 5px;
  border: 0;
  background: transparent;
}

/* PANELS */

.panel {
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 25px;
  margin-bottom: 20px;
}

.panel h2,
.panel h3 {
  font-family: var(--font-serif);
  margin-top: 0;
}

/* FORMS */

input,
textarea,
select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: #F8F2E5;
  color: var(--ink);
  outline: none;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--rust);
}

label {
  display: block;
  font-family: var(--font-mono);
  font-size: .72rem;
  margin-bottom: 6px;
}

/* QUIZ */

.quiz-option {
  width: 100%;
  text-align: left;
  background: transparent;
  border: 1px solid var(--line);
  padding: 15px;
  margin-bottom: 10px;
  color: var(--ink);
}

.quiz-option:hover,
.quiz-option.selected {
  border-color: var(--rust);
  background: rgba(156,59,36,.08);
}

.quiz-progress {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--ink-soft);
}

/* TRACKER */

.tracker {
  overflow-x: auto;
}

.tracker table {
  width: 100%;
  border-collapse: collapse;
}

.tracker th,
.tracker td {
  border: 1px solid var(--line);
  padding: 12px;
  text-align: center;
}

.tracker th {
  background: var(--paper-dark);
  font-family: var(--font-mono);
  font-size: .7rem;
}

.tracker input[type="checkbox"] {
  width: auto;
}

/* CHALLENGE */

.challenge-card {
  border: 2px solid var(--ink);
  padding: 30px;
  background: var(--paper-dark);
}

.challenge-day {
  font-family: var(--font-mono);
  color: var(--rust);
  font-size: .75rem;
}

/* WORKOUTS */

.workout-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.workout-card {
  border: 1px solid var(--line);
  padding: 24px;
  background: var(--paper-dark);
}

.workout-card h3 {
  font-family: var(--font-serif);
}

/* CHAT */

.chat-window {
  border: 1px solid var(--line);
  background: var(--paper);
  min-height: 320px;
  max-height: 480px;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.msg {
  max-width: 80%;
  padding: 10px 14px;
  font-size: .95rem;
  line-height: 1.5;
}

.msg.user {
  align-self: flex-end;
  background: var(--ink);
  color: var(--paper);
}

.msg.bot {
  align-self: flex-start;
  background: var(--paper-dark);
  border: 1px solid var(--line);
}

.msg.bot .src {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--ink-soft);
}

.chat-input-row {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

.chat-input-row input {
  flex: 1;
}

.suggestion-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 15px;
}

.suggestion-chip {
  border: 1px solid var(--line);
  background: transparent;
  padding: 8px 12px;
  font-size: .75rem;
}

.suggestion-chip:hover {
  border-color: var(--rust);
  color: var(--rust);
}

/* FIELD NOTES */

.note {
  border-left: 4px solid var(--rust);
  padding: 18px 22px;
  background: rgba(255,255,255,.15);
  margin-bottom: 15px;
}

.note-number {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--rust);
}

/* ARTICLES */

.article {
  max-width: 780px;
  margin: auto;
}

.article h1,
.article h2,
.article h3 {
  font-family: var(--font-serif);
}

.article h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.1;
}

.article p {
  font-size: 1.05rem;
}

/* NEWSLETTER */

.newsletter {
  background: var(--cover);
  color: var(--paper);
  padding: 45px;
}

.newsletter h2 {
  font-family: var(--font-serif);
  margin-top: 0;
}

.newsletter-form {
  display: flex;
  gap: 10px;
}

.newsletter-form input {
  background: var(--paper);
}

/* FOOTER */

.site-footer {
  background: var(--cover);
  color: #BDAF99;
  border-top: 1px solid var(--line-dark);
  padding: 35px 0;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: .7rem;
}

/* DARK MODE */

body.dark-mode {
  --paper: #171513;
  --paper-dark: #24201C;
  --cover: #0C0B0A;
  --cover-soft: #191613;
  --ink: #F2EAD9;
  --ink-soft: #B7AA96;
  --line: #51483D;
  --line-dark: #39322C;
  background: var(--paper);
  color: var(--ink);
}

body.dark-mode input,
body.dark-mode textarea,
body.dark-mode select {
  background: #211E1A