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

:root {
  --cream: #F5EDE8;
  --brown: #3D1F14;
  --sand: #D4B09A;
  --deep-cream: #EDD9C8;
  --rust: #A05535;
  --rule: rgba(61, 31, 20, 0.25);
  --dark-rule: rgba(245, 237, 232, 0.22);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--sand);
  color: var(--brown);
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-family: 'Montserrat', sans-serif; font-weight: 700; line-height: 1.08; letter-spacing: -0.035em; overflow-wrap: break-word; }
p + p { margin-top: 18px; }

.site-shell { overflow: clip; }
.container { width: min(1200px, calc(100% - 72px)); margin: 0 auto; }
.narrow { width: min(860px, 100%); }
section { padding: clamp(104px, 11vw, 156px) 0; }
section[id] { scroll-margin-top: 92px; }
.eyebrow { color: var(--rust); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: 20px; }
.section-heading { font-size: clamp(2.15rem, 4.25vw, 4rem); max-width: 930px; }
.section-intro { font-size: clamp(1.05rem, 1.7vw, 1.22rem); max-width: 760px; margin-top: 28px; }
.section-closing { font-size: 0.95rem; margin-top: 34px; }

/* Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--sand);
  border-bottom: 1px solid var(--rule);
}
.nav { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
.brand-logo { display: block; width: clamp(152px, 15vw, 184px); height: auto; }
.nav-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 24px; font-size: 0.9rem; }
.nav-links a { border-bottom: 1px solid transparent; padding: 4px 0; }
.nav-links a:hover, .nav-links a[aria-current='page'] { border-color: var(--rust); }

/* Links and actions */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 13px 22px;
  background: var(--brown);
  border: 1px solid var(--brown);
  color: var(--cream);
  font-family: 'Montserrat', sans-serif;
  font-size: 0.82rem;
  letter-spacing: 0.015em;
  transition: background-color 160ms ease, color 160ms ease;
}
.button:hover { background: var(--cream); color: var(--brown); }
.text-link { display: inline; color: var(--brown); font-family: 'Montserrat', sans-serif; font-size: 0.86rem; border-bottom: 2px solid var(--rust); padding-bottom: 3px; }
.text-link:hover { color: var(--rust); }
.button:focus-visible, .text-link:focus-visible, .nav a:focus-visible, .footer-line a:focus-visible {
  outline: 2px solid var(--rust);
  outline-offset: 4px;
}

/* Homepage: the site cover */
.home { background: var(--brown); color: var(--cream); }
.home .site-header { background: var(--brown); border-bottom-color: var(--dark-rule); }
.home .nav-links { color: var(--cream); }
.home .section-heading, .home .section-closing, .home h1, .home h2, .home h3 { color: var(--cream); }
.home .section-intro, .home .hero-copy, .home .diagnostic-copy p, .home .thinking-copy, .home .evidence-item p { color: var(--cream); }
.home .button { background: var(--cream); border-color: var(--cream); color: var(--brown); }
.home .button:hover { background: var(--sand); border-color: var(--sand); }
.home .text-link { color: var(--cream); }
.home .text-link:hover { color: var(--sand); }

/* Home hero */
.hero { padding: clamp(130px, 16vw, 210px) 0 clamp(118px, 12vw, 162px); }
.hero h1 { font-size: clamp(3.1rem, 7vw, 6.6rem); max-width: 1130px; }
.hero-copy { font-size: clamp(1.08rem, 1.75vw, 1.3rem); max-width: 870px; margin-top: 34px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; margin-top: 38px; }
.marked-word { position: relative; display: inline-block; }
.marked-word::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.09em;
  height: 0.09em;
  background: var(--rust);
  transform: scaleX(0);
  transform-origin: left;
  animation: mark-word 350ms ease-out 220ms forwards;
}
@keyframes mark-word { to { transform: scaleX(1); } }

/* Situation list */
.situation-list { list-style: none; margin: 44px 0 0; padding: 0; max-width: 1010px; }
.situation-list li { display: grid; grid-template-columns: 14px 1fr; gap: 14px; padding: 19px 0; border-bottom: 1px solid var(--dark-rule); font-size: clamp(1.06rem, 1.8vw, 1.32rem); }
.situation-list li::before { content: ''; width: 5px; height: 5px; background: var(--rust); margin-top: 0.72em; }
.situation-list li.has-context { cursor: pointer; }
.situation-content { display: block; }
.diagnostic-context { display: block; max-height: 0; margin-top: 0; overflow: hidden; color: var(--sand); font-size: 0.78em; line-height: 1.55; opacity: 0; transition: max-height 160ms ease, margin-top 160ms ease, opacity 160ms ease; }
.situation-list li.has-context:hover .diagnostic-context, .situation-list li.has-context:focus .diagnostic-context, .situation-list li.has-context.is-expanded .diagnostic-context { max-height: 5em; margin-top: 10px; opacity: 1; }
.situation-list li.has-context:focus-visible { outline: 1px solid var(--rust); outline-offset: 5px; }

/* Home diagnostic */
.diagnostic-panel { border-top: 2px solid var(--dark-rule); border-bottom: 1px solid var(--dark-rule); padding: 52px 0; }
.split-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr); gap: 80px; align-items: start; }
.split-grid > :last-child { border-left: 1px solid var(--dark-rule); padding-left: 40px; }
.diagnostic-copy p { max-width: 680px; font-size: 1.05rem; }
.fact-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--dark-rule); }
.fact-list li { border-bottom: 1px solid var(--dark-rule); padding: 15px 0; font-size: 0.98rem; color: var(--cream); }
.inline-action { margin-top: 34px; }

/* How it works */
.step-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--dark-rule); border-bottom: 1px solid var(--dark-rule); margin-top: 50px; }
.step { display: block; width: 100%; padding: 30px 26px 32px 0; margin-right: 26px; background: transparent; border: 0; border-right: 1px solid var(--dark-rule); color: inherit; font: inherit; text-align: left; cursor: pointer; opacity: 0.48; transition: opacity 160ms ease, color 160ms ease; }
.step:last-child { border-right: 0; margin-right: 0; }
.step.is-active, .step:hover, .step:focus-visible { opacity: 1; }
.step:focus-visible { outline: 1px solid var(--rust); outline-offset: -5px; }
.step-number { color: var(--rust); font-family: 'Montserrat', sans-serif; font-size: 2rem; display: block; margin-bottom: 26px; }
.step-copy { display: block; font-size: 0.97rem; }
.step strong { font-family: 'Montserrat', sans-serif; }

/* Engagement ladder */
.ladder { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 48px; }
.ladder-stage { border-left: 1px solid var(--dark-rule); padding: 0 30px; min-height: 180px; }
.ladder-stage:first-child { padding-left: 0; border-left: 0; }
.ladder-stage h3 { font-size: clamp(1.25rem, 2.2vw, 1.7rem); color: var(--sand); }
.ladder-stage:first-child h3 { color: var(--cream); }
.ladder-stage p { color: var(--sand); font-size: 0.96rem; margin-top: 16px; }
.ladder-stage:first-child p { color: var(--cream); }

/* Evidence and worldview */
.evidence-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 52px; border-top: 1px solid var(--dark-rule); border-bottom: 1px solid var(--dark-rule); }
.evidence-detail { font-size: clamp(1.05rem, 1.7vw, 1.22rem); max-width: 760px; margin-top: 18px; }
.evidence-item { padding: 28px 30px 32px; border-left: 1px solid var(--dark-rule); }
.evidence-item:first-child { padding-left: 0; border-left: 0; }
.evidence-item h3 { font-size: 1.05rem; letter-spacing: -0.015em; }
.evidence-item p { font-size: 0.95rem; margin-top: 14px; }
.evidence-graphic { display: block; margin: 18px 0 14px; }
.evidence-graphic img { display: block; width: 100%; height: auto; }
.small-link { color: var(--brown); font-family: 'Montserrat', sans-serif; font-size: 0.8rem; border-bottom: 1px solid var(--rust); padding-bottom: 2px; }
.home .small-link { color: var(--cream); }
.dark-section { color: var(--cream); }
.thinking-copy { max-width: 860px; font-size: 1.09rem; }
.thinking-copy .thesis { font-family: 'Montserrat', sans-serif; font-size: clamp(1.45rem, 2.7vw, 2.25rem); line-height: 1.24; max-width: 780px; }
.signature-diagram { margin-top: 60px; display: grid; grid-template-columns: 1fr minmax(130px, 0.32fr) 1fr; gap: 30px; align-items: stretch; }
.organization { border-top: 1px solid var(--dark-rule); padding-top: 24px; }
.organization h3 { font-size: 1.22rem; }
.organization ul { list-style: none; padding: 0; margin: 24px 0 0; }
.organization li { border-bottom: 1px solid var(--dark-rule); padding: 10px 0; color: var(--cream); }
.organization li.is-active { border-color: var(--rust); }
.model-item { width: 100%; padding: 0; background: transparent; border: 0; color: inherit; font: inherit; text-align: left; cursor: pointer; }
.model-item.is-active { color: var(--rust); }
.model-item:focus-visible { outline: 1px solid var(--rust); outline-offset: 4px; }
.gap-mark { position: relative; min-height: 100%; color: var(--rust); text-align: center; }
.gap-bracket { position: absolute; top: 0; bottom: 0; left: 50%; width: 34px; height: auto; border-left: 2px solid var(--rust); border-top: 2px solid var(--rust); border-bottom: 2px solid var(--rust); transform: translateX(-50%); }
.gap-mark p { position: absolute; top: 50%; left: 50%; width: 130px; margin: 0; font-size: 0.76rem; line-height: 1.4; transform: translate(-50%, -50%); }

/* Interior pages */
.page-hero { padding: clamp(130px, 15vw, 190px) 0 clamp(86px, 9vw, 122px); border-bottom: 1px solid var(--rule); }
.page-hero h1 { font-size: clamp(3rem, 6vw, 5.6rem); max-width: 1000px; }
.page-hero p { font-size: 1.15rem; max-width: 800px; margin-top: 28px; }
.prose { max-width: 820px; font-size: 1.05rem; }
.content-list { list-style: none; padding: 0; margin: 38px 0 0; border-top: 1px solid var(--rule); }
.content-list li { position: relative; padding: 18px 0 18px 18px; border-bottom: 1px solid var(--rule); }
.content-list li::before { content: ''; position: absolute; left: 0; top: 1.05em; width: 5px; height: 5px; background: var(--rust); }
.faq { margin-top: 42px; border-top: 1px solid var(--rule); }
.faq-item { padding: 24px 0; border-bottom: 1px solid var(--rule); }
.faq-item summary { cursor: pointer; list-style: none; font-family: 'Montserrat', sans-serif; font-size: 1.04rem; letter-spacing: -0.012em; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item[open] { border-bottom-color: var(--rust); }
.faq-item p { margin-top: 10px; }
.booking { border-top: 2px solid var(--brown); padding-top: 44px; }
.booking-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 32px; }
.booking-form .full { grid-column: 1 / -1; }
label { display: block; font-family: 'Montserrat', sans-serif; font-size: 0.84rem; margin-bottom: 7px; }
input, textarea { width: 100%; border: 1px solid rgba(61, 31, 20, 0.4); border-radius: 0; background: transparent; color: var(--brown); padding: 13px; font: inherit; }
input:focus-visible, textarea:focus-visible { outline: 2px solid var(--rust); outline-offset: 3px; }
textarea { min-height: 130px; resize: vertical; }
.form-button { grid-column: 1 / -1; justify-self: start; cursor: pointer; }
.case-placeholder { margin-top: 40px; border: 1px solid var(--rule); padding: 36px; max-width: 680px; }
.case-tab { display: inline-block; background: var(--rust); color: var(--cream); font-family: 'Montserrat', sans-serif; font-size: 0.72rem; padding: 5px 8px; margin-bottom: 22px; }
.about-profile-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(420px, 0.8fr); gap: 64px; align-items: end; max-width: 1200px; }
.about-perspective { margin-top: 44px; }
.about-portrait { width: min(100%, 520px); margin: 0; justify-self: end; }
.about-portrait img { display: block; width: 100%; height: auto; }
.summit-visual { margin: 34px 0 0; }
.summit-visual img { display: block; width: 100%; height: auto; }

/* 12 Execution Signals */
.signals-page .page-hero { padding-bottom: clamp(70px, 8vw, 100px); }
.signals-shell { padding-top: clamp(72px, 8vw, 112px); }
.signals-layout { width: min(900px, 100%); }
.signals-instrument, .signals-results { border-top: 2px solid var(--brown); border-bottom: 1px solid var(--rule); padding: 38px 0 42px; }
.signal-meta { display: flex; justify-content: space-between; gap: 20px; color: var(--rust); font-family: 'Montserrat', sans-serif; font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; }
.signal-category { margin-top: 34px; color: var(--rust); font-size: 0.78rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; }
.signal-category strong { display: block; margin-top: 5px; color: var(--brown); font-family: 'Montserrat', sans-serif; font-size: 1rem; letter-spacing: 0; text-transform: none; }
.signal-question { max-width: 760px; margin-top: 18px; font-size: clamp(1.65rem, 3.2vw, 2.75rem); }
.signal-instruction { margin-top: 20px; color: var(--brown); font-size: 0.95rem; }
.signal-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; max-width: 460px; margin: 34px 0 0; }
.signal-option { min-height: 58px; padding: 14px 20px; background: transparent; border: 1px solid var(--rule); color: var(--brown); font-family: 'Montserrat', sans-serif; font-size: 0.9rem; text-align: left; cursor: pointer; transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease; }
.signal-option:hover, .signal-option.is-selected { background: var(--brown); border-color: var(--brown); color: var(--cream); }
.signal-option:focus-visible, .signal-back:focus-visible { outline: 2px solid var(--rust); outline-offset: 3px; }
.signal-controls { display: flex; align-items: center; gap: 22px; margin-top: 36px; }
.signal-back { padding: 0; background: transparent; border: 0; color: var(--brown); font: inherit; cursor: pointer; }
.signal-back:disabled, .signal-next:disabled { cursor: not-allowed; opacity: 0.45; }
.signal-score { color: var(--rust); font-family: 'Montserrat', sans-serif; font-size: clamp(2.4rem, 5vw, 4.6rem); line-height: 1; }
.signal-results h2 { margin-top: 20px; font-size: clamp(2rem, 4vw, 3.5rem); }
.signal-results p { max-width: 760px; margin-top: 18px; }
.signal-pattern { margin-top: 28px !important; padding-top: 20px; border-top: 1px solid var(--rule); }
.signal-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; margin-top: 34px; }
.signal-pdf { color: var(--brown); font-family: 'Montserrat', sans-serif; font-size: 0.86rem; border-bottom: 2px solid var(--rust); padding-bottom: 3px; }
.signal-reset { margin-top: 34px; }

/* Closing and footer */
.closing-cta { text-align: center; padding: 142px 0; }
.closing-cta h2 { font-size: clamp(2rem, 4.6vw, 4.3rem); max-width: 930px; margin: 0 auto; }
.closing-cta .button { margin-top: 40px; }
.site-footer { border-top: 1px solid var(--rule); padding: 28px 0; }
.footer-line { font-size: 0.82rem; color: var(--brown); }
.footer-line a { border-bottom: 1px solid var(--rust); }
.home .site-footer { border-top-color: var(--dark-rule); }
.home .footer-line { color: var(--cream); }

@media (max-width: 820px) {
  .container { width: min(100% - 44px, 1200px); }
  section { padding: 86px 0; }
  .nav { min-height: 0; padding: 14px 0; align-items: flex-start; flex-direction: column; gap: 10px; }
  .brand-logo { width: 150px; }
  .nav-links { justify-content: flex-start; gap: 10px 18px; }
  .hero { padding: 112px 0 98px; }
  .split-grid, .about-profile-layout { grid-template-columns: 1fr; gap: 42px; }
  .split-grid > :last-child { border-left: 0; border-top: 1px solid var(--dark-rule); padding: 28px 0 0; }
  .step-grid, .ladder, .evidence-grid { grid-template-columns: 1fr; }
  .about-portrait { justify-self: start; width: min(100%, 520px); }
  .step, .ladder-stage, .evidence-item { border-right: 0; border-left: 0; border-bottom: 1px solid var(--dark-rule); margin: 0; padding: 26px 0; min-height: 0; }
  .step:last-child, .ladder-stage:last-child, .evidence-item:last-child { border-bottom: 0; }
  .signature-diagram { grid-template-columns: 1fr; gap: 26px; }
  .gap-mark { position: static; min-height: 0; display: flex; flex-direction: row; align-items: center; gap: 16px; text-align: left; }
  .gap-bracket { position: static; width: 120px; height: 34px; border-right: 2px solid var(--rust); border-bottom: 0; transform: none; }
  .gap-mark p { position: static; width: auto; margin: 0; transform: none; }
  .signal-options { max-width: none; }
  .signal-controls { justify-content: space-between; }
  .booking-form { grid-template-columns: 1fr; }
  .booking-form .full, .form-button { grid-column: auto; }
  .closing-cta { padding: 100px 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .marked-word::after { animation: none; transform: scaleX(1); }
}