/* ============================================================
   CINDERPOINT — cinderpoint.com
   From Theory to Decision
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  --bg:        #0a0d12;
  --bg-raise:  #0d1118;
  --bg-card:   #111720;
  --bg-card2:  #141c28;

  --border:    #1a2030;
  --border-m:  #222d40;

  --orange:    #e07030;
  --orange-d:  #b85a20;
  --orange-glow: rgba(224, 112, 48, 0.12);

  --text:      #8a9ab0;
  --text-d:    #4a5a70;
  --text-b:    #c8d4e4;
  --text-br:   #e8eef8;

  --mono:      'IBM Plex Mono', monospace;
  --sans:      'Inter', system-ui, sans-serif;

  --max: 1100px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--orange); text-decoration: none; }
a:hover { color: #f09050; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 28px; }

/* === Header === */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 13, 18, 0.95);
  border-bottom: 1px solid var(--border-m);
  backdrop-filter: blur(12px);
}
.sh-inner {
  display: flex; align-items: center;
  justify-content: space-between;
  height: 58px; gap: 20px;
}
.sh-brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 12px;
  font-weight: 600; letter-spacing: 0.2em;
  color: var(--text-br);
}
.sh-mark {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--orange); opacity: 0.9;
}
.sh-nav { display: flex; align-items: center; gap: 6px; }
.sh-nav a {
  font-family: var(--mono); font-size: 11px;
  font-weight: 500; letter-spacing: 0.12em;
  color: var(--text); padding: 6px 10px;
  border-radius: 4px; transition: color 0.2s, background 0.2s;
  text-transform: uppercase;
}
.sh-nav a:hover { color: var(--text-br); background: var(--bg-card); }
.sh-nav a.nav-cta {
  color: var(--text-br); background: var(--orange);
  padding: 6px 14px;
}
.sh-nav a.nav-cta:hover { background: #f09050; }
.nav-toggle { display: none; background: none; border: none; color: var(--text); font-size: 18px; cursor: pointer; }

/* === Buttons === */
.btn-primary {
  display: inline-flex; align-items: center;
  background: var(--orange); color: #fff;
  font-family: var(--mono); font-size: 11px;
  font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; padding: 10px 20px;
  border-radius: 4px; transition: background 0.2s;
}
.btn-primary:hover { background: #f09050; color: #fff; }
.btn-ghost {
  display: inline-flex; align-items: center;
  background: transparent; color: var(--text-b);
  font-family: var(--mono); font-size: 11px;
  font-weight: 500; letter-spacing: 0.12em;
  text-transform: uppercase; padding: 10px 20px;
  border: 1px solid var(--border-m); border-radius: 4px;
  transition: border-color 0.2s, color 0.2s;
}
.btn-ghost:hover { border-color: var(--orange); color: var(--orange); }

/* === Section Label === */
.section-label {
  font-family: var(--mono); font-size: 10px;
  font-weight: 600; letter-spacing: 0.25em;
  text-transform: uppercase; color: var(--orange);
  margin-bottom: 28px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

/* === Hero === */
.section-hero {
  padding: 80px 0 72px;
  border-bottom: 1px solid var(--border);
}
.hero-tags { display: flex; gap: 10px; margin-bottom: 28px; flex-wrap: wrap; }
.tag {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.1em; color: var(--text);
  background: var(--bg-card); border: 1px solid var(--border-m);
  padding: 4px 12px; border-radius: 20px;
}
.hero-title {
  font-family: var(--sans); font-size: clamp(32px, 5vw, 52px);
  font-weight: 700; line-height: 1.15;
  color: var(--text-br); margin-bottom: 24px; max-width: 700px;
}
.hero-body {
  font-size: 16px; color: var(--text-b);
  max-width: 620px; margin-bottom: 24px;
}
.hero-list {
  list-style: none; max-width: 620px;
  margin-bottom: 20px; display: flex; flex-direction: column; gap: 10px;
}
.hero-list li { font-size: 14px; padding-left: 16px; position: relative; }
.hero-list li::before {
  content: '—'; position: absolute; left: 0;
  color: var(--orange); font-family: var(--mono);
}
.hero-list strong { color: var(--text-br); }
.hero-note {
  font-family: var(--mono); font-size: 12px;
  color: var(--text-d); margin-bottom: 32px;
  max-width: 480px;
}
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }

/* === FAQ === */
.section-faq {
  padding: 64px 0;
  border-bottom: 1px solid var(--border);
}
.faq-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1px; background: var(--border);
  border: 1px solid var(--border);
}
.faq-item {
  background: var(--bg-card); padding: 28px 24px;
}
.faq-q {
  font-family: var(--mono); font-size: 10px;
  font-weight: 600; letter-spacing: 0.15em;
  color: var(--text-br); margin-bottom: 14px;
  text-transform: uppercase;
}
.faq-a { font-size: 14px; color: var(--text); line-height: 1.65; }

/* === Fit === */
.section-fit {
  padding: 64px 0;
  border-bottom: 1px solid var(--border);
}
.fit-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 16px; margin-bottom: 24px;
}
.fit-card {
  background: var(--bg-card); border: 1px solid var(--border-m);
  padding: 28px 24px; border-radius: 4px;
}
.fit-card ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.fit-card ul li { font-size: 14px; padding-left: 16px; position: relative; }
.fit-card ul li::before { content: '·'; position: absolute; left: 0; color: var(--text-d); }
.fit-header {
  font-family: var(--mono); font-size: 10px;
  font-weight: 600; letter-spacing: 0.2em;
  margin-bottom: 18px; text-transform: uppercase;
}
.fit-yes .fit-header { color: #4a9e6a; }
.fit-no .fit-header { color: #8a4040; }
.fit-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.ftag {
  font-family: var(--mono); font-size: 10px; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-d); background: var(--bg-card);
  border: 1px solid var(--border); padding: 4px 10px;
  border-radius: 3px;
}

/* === Work === */
.section-work {
  padding: 64px 0;
  border-bottom: 1px solid var(--border);
}
.work-intro {
  font-size: 15px; color: var(--text-b);
  margin-bottom: 32px; max-width: 560px;
}
.work-intro strong { color: var(--text-br); }
.work-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.work-card {
  background: var(--bg-card); border: 1px solid var(--border-m);
  padding: 28px 24px; border-radius: 4px;
}
.wc-type {
  font-family: var(--mono); font-size: 10px;
  font-weight: 600; letter-spacing: 0.2em;
  color: var(--orange); margin-bottom: 6px; text-transform: uppercase;
}
.wc-time {
  font-family: var(--mono); font-size: 11px;
  color: var(--text-d); margin-bottom: 18px;
}
.work-card ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.work-card ul li { font-size: 13px; padding-left: 16px; position: relative; }
.work-card ul li::before { content: '—'; position: absolute; left: 0; color: var(--border-m); font-family: var(--mono); }

/* === Research === */
.section-research {
  padding: 64px 0;
  border-bottom: 1px solid var(--border);
}
.research-intro {
  font-size: 15px; color: var(--text-b);
  margin-bottom: 36px; max-width: 600px;
}
.research-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 16px; margin-bottom: 28px;
}
.paper-card {
  background: var(--bg-card); border: 1px solid var(--border-m);
  padding: 24px 20px; border-radius: 4px;
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color 0.2s, background 0.2s;
}
.paper-card:hover { border-color: var(--orange); background: var(--bg-card2); }
.pc-source {
  font-family: var(--mono); font-size: 9px;
  font-weight: 600; letter-spacing: 0.2em;
  color: var(--orange); text-transform: uppercase;
}
.pc-title {
  font-size: 13px; font-weight: 600;
  color: var(--text-br); line-height: 1.45;
}
.pc-body { font-size: 12px; color: var(--text); line-height: 1.6; flex: 1; }
.pc-meta {
  font-family: var(--mono); font-size: 10px;
  color: var(--text-d); margin-top: auto;
}
.research-links { display: flex; gap: 12px; }

/* === Books === */
.section-books {
  padding: 64px 0;
  border-bottom: 1px solid var(--border);
}
.books-intro {
  font-size: 15px; color: var(--text-b);
  margin-bottom: 36px; max-width: 580px;
}
.books-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.book-card {
  background: var(--bg-card); border: 1px solid var(--border-m);
  padding: 28px 24px; border-radius: 4px;
  display: flex; gap: 20px;
}
.bk-num {
  font-family: var(--mono); font-size: 28px;
  font-weight: 700; color: var(--border-m);
  flex-shrink: 0; line-height: 1;
}
.bk-content { display: flex; flex-direction: column; gap: 6px; }
.bk-status {
  font-family: var(--mono); font-size: 9px;
  font-weight: 600; letter-spacing: 0.2em;
  text-transform: uppercase;
}
.book-soon .bk-status { color: var(--orange); }
.book-future .bk-status { color: var(--text-d); }
.bk-title { font-size: 14px; font-weight: 600; color: var(--text-br); line-height: 1.35; }
.bk-sub { font-size: 12px; color: var(--text-d); }
.bk-body { font-size: 12px; color: var(--text); line-height: 1.6; margin-top: 4px; }
.bk-companion { font-family: var(--mono); font-size: 10px; color: var(--text-d); margin-top: 8px; }
.bk-companion a { color: var(--orange); }

/* === Podcast === */
.section-podcast {
  padding: 64px 0;
  border-bottom: 1px solid var(--border);
}
.pod-layout {
  background: var(--bg-card); border: 1px solid var(--border-m);
  padding: 36px 32px; border-radius: 4px; max-width: 720px;
}
.pod-name {
  font-size: 24px; font-weight: 700;
  color: var(--text-br); margin-bottom: 4px;
}
.pod-type {
  font-family: var(--mono); font-size: 10px;
  font-weight: 600; letter-spacing: 0.18em;
  color: var(--orange); text-transform: uppercase; margin-bottom: 16px;
}
.pod-body { font-size: 14px; color: var(--text-b); margin-bottom: 24px; }
.pod-seasons { display: flex; flex-direction: column; gap: 8px; margin-bottom: 24px; }
.pod-season {
  display: flex; align-items: center; gap: 12px;
  font-size: 13px; padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.ps-num {
  font-family: var(--mono); font-size: 10px;
  font-weight: 600; color: var(--orange);
  min-width: 28px;
}
.ps-title { color: var(--text-b); flex: 1; }
.ps-status {
  font-family: var(--mono); font-size: 9px;
  font-weight: 600; letter-spacing: 0.15em;
  padding: 3px 8px; border-radius: 3px; text-transform: uppercase;
}
.ps-status.coming { background: rgba(224, 112, 48, 0.15); color: var(--orange); }
.ps-status.future { background: var(--bg); color: var(--text-d); border: 1px solid var(--border); }

/* === About === */
.section-about {
  padding: 64px 0;
  border-bottom: 1px solid var(--border);
}
.about-name {
  font-size: 28px; font-weight: 700;
  color: var(--text-br); margin-bottom: 16px;
}
.about-body { font-size: 15px; color: var(--text-b); max-width: 560px; margin-bottom: 12px; }
.about-links { display: flex; gap: 12px; margin-top: 20px; flex-wrap: wrap; }

/* === Contact === */
.section-contact { padding: 64px 0; border-bottom: 1px solid var(--border); }
.contact-intro { font-size: 16px; color: var(--text-b); margin-bottom: 24px; }
.contact-email {
  display: flex; align-items: center; gap: 16px;
  background: var(--bg-card); border: 1px solid var(--border-m);
  padding: 16px 20px; border-radius: 4px;
  margin-bottom: 16px; max-width: 500px; flex-wrap: wrap;
}
.contact-email span {
  font-family: var(--mono); font-size: 13px;
  color: var(--text-br); flex: 1;
}
.contact-note { font-size: 13px; color: var(--text-d); max-width: 520px; line-height: 1.65; }

/* === Footer === */
.site-footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap; gap: 16px;
}
.footer-brand {
  font-family: var(--mono); font-size: 12px;
  font-weight: 700; letter-spacing: 0.25em;
  color: var(--text-b);
}
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.1em; color: var(--text-d);
  text-transform: uppercase;
}
.footer-links a:hover { color: var(--orange); }
.footer-copy {
  font-family: var(--mono); font-size: 10px;
  color: var(--text-d); letter-spacing: 0.08em;
}

/* === Responsive === */
@media (max-width: 900px) {
  .faq-grid { grid-template-columns: 1fr; }
  .fit-grid { grid-template-columns: 1fr; }
  .work-grid { grid-template-columns: 1fr; }
  .research-grid { grid-template-columns: repeat(2, 1fr); }
  .books-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .sh-nav { display: none; }
  .nav-toggle { display: block; }
  .hero-title { font-size: 28px; }
  .research-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

/* === Email Capture === */
.section-notify { padding: 64px 0; border-bottom: 1px solid var(--border); background: var(--bg-raise); }
.notify-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.notify-title { font-size: 22px; font-weight: 700; color: var(--text-br); margin-bottom: 10px; line-height: 1.3; }
.notify-body { font-size: 14px; color: var(--text-b); }
.notify-form { display: flex; flex-direction: column; gap: 12px; }
.nf-row { display: flex; gap: 10px; flex-wrap: wrap; }
.nf-input {
  flex: 1; min-width: 200px;
  background: var(--bg-card); border: 1px solid var(--border-m);
  color: var(--text-br); font-family: var(--sans); font-size: 14px;
  padding: 10px 14px; border-radius: 4px; outline: none;
  transition: border-color 0.2s;
}
.nf-input:focus { border-color: var(--orange); }
.nf-input::placeholder { color: var(--text-d); }
.nf-note { font-family: var(--mono); font-size: 10px; color: var(--text-d); letter-spacing: 0.05em; }
.nf-note a { color: var(--text-d); }
.form-success { font-family: var(--mono); font-size: 13px; color: #4a9e6a; padding: 14px 0; }
@media (max-width: 640px) {
  .notify-inner { grid-template-columns: 1fr; gap: 24px; }
}