/* 1. CSS Custom Properties (variables) */
:root {
  --color-bg: #FAFAF8;
  --color-surface: #F4F1EC;
  --color-border: #E8E2D9;
  --color-text-dark: #1C1A17;
  --color-text-body: #4A4540;
  --color-text-muted: #9A9088;
  --color-gold: #c27e0e;
  --color-gold-light: #F0E6CC;
  --color-white: #FFFFFF;
  --max-width: 1160px;
  --gutter: 40px;
}

/* 2. CSS Reset & Base */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'DM Sans', sans-serif;
  color: var(--color-text-body);
  background: var(--color-bg);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input { font: inherit; }
button { cursor: pointer; }

/* 3. Typography */
h1, h2, h3 { color: var(--color-text-dark); font-family: 'Cormorant Garamond', serif; margin-top: 0; }
h1 { font-size: 52px; line-height: 1.1; font-weight: 500; }
h2 { font-size: 38px; line-height: 1.2; font-weight: 500; }
h3 { font-size: 22px; line-height: 1.3; font-weight: 500; font-family: 'DM Sans', sans-serif; }
p { margin-top: 0; }
.eyebrow { font-size: 11px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--color-text-muted); font-weight: 500; }
.eyebrow--light { color: rgba(255,255,255,0.8); }
.hero h1 { font-size: 72px; line-height: 1.05; letter-spacing: -0.02em; font-weight: 300; }
.hero h1 em { color: var(--color-gold); font-style: italic; font-weight: 300; }
.lede { max-width: 720px; font-size: 18px; color: var(--color-text-body); }
.pull-quote { font-family: 'Cormorant Garamond', serif; font-size: 24px; color: var(--color-text-dark); font-style: italic; }

/* 4. Layout Utilities */
.container { width: min(var(--max-width), calc(100% - 32px)); margin-inline: auto; }
.section { padding: 72px 0; }
.page-hero { min-height: 420px; display: grid; align-items: center; padding: 140px 0 72px; }
.hero--full { min-height: 100vh; display: grid; align-items: center; padding-top: 120px; }
.center-text, .centered { text-align: center; }
.card-grid { display: grid; gap: 24px; }
.card-grid--2 { grid-template-columns: 1fr; }
.card-grid--3 { grid-template-columns: 1fr; }
.layout-split, .contact-grid, .service-panel, .ebook-grid { display: grid; gap: 32px; }
.section--surface { background: var(--color-surface); }
.section--dark { background: var(--color-text-dark); color: rgba(255,255,255,0.85); }
.section--dark h2, .section--dark p { color: rgba(255,255,255,0.92); }

/* 5. Components: Buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  padding: 10px 18px;
  min-height: 40px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.2;
  border-radius: 8px;
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 2px 8px rgba(28, 26, 23, 0.06);
}
.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(28, 26, 23, 0.12);
}
.button--primary { background: var(--color-gold); color: var(--color-white); }
.button--primary:hover { background: #ad700a; }
.button--ghost, .button--light { background: transparent; border-color: var(--color-text-dark); color: var(--color-text-dark); }
.button--ghost:hover { background: var(--color-text-dark); color: var(--color-white); }
.button--light { border-color: rgba(255,255,255,0.35); color: var(--color-white); }
.button--light:hover { background: rgba(255,255,255,0.08); }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; }
.full-width { width: 100%; }

/* 6. Components: Navigation */
.site-header { position: sticky; top: 0; z-index: 50; background: var(--color-white); border-bottom: 1px solid var(--color-border); }
.site-header.scrolled { box-shadow: 0 1px 0 var(--color-border); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 82px; }
.nav-logo { display: flex; align-items: center; gap: 12px; min-height: 44px; }
.nav-logo__text { font-family: 'Cormorant Garamond', serif; font-size: 28px; letter-spacing: 0.18em; font-weight: 500; color: var(--color-text-dark); text-transform: uppercase; }
.nav-logo img { max-height: 58px; width: auto; height: auto; }

@media (max-width: 767px) {
  .nav-logo img { max-height: 46px; }
}
.nav-logo__fallback { font-family: 'Cormorant Garamond', serif; font-size: 20px; letter-spacing: 0.15em; font-weight: 500; display: none; color: var(--color-text-dark); }
.nav-logo__submark { display: none; }
.nav-tagline { display: none; font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-text-muted); }
.nav-meta { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: inline-flex; flex-direction: column; gap: 5px; background: none; border: none; padding: 0; }
.nav-toggle span { width: 24px; height: 1px; background: var(--color-text-dark); transition: transform .25s, opacity .25s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.nav-panel { position: fixed; inset: 82px 0 0 0; display: flex; flex-direction: column; gap: 18px; padding: 24px; background: var(--color-surface); border-top: 1px solid var(--color-border); transform: translateY(-110%); opacity: 0; pointer-events: none; transition: transform .35s, opacity .35s; }
.nav-panel.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
.nav-link { font-size: 13px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--color-text-body); }
.nav-link.active { color: var(--color-gold); }
.nav-cta { margin-top: 8px; }

/* 7. Components: Footer */
.site-footer { background: var(--color-text-dark); color: rgba(255,255,255,0.7); padding: 56px 0 24px; }
.site-footer a { color: rgba(255,255,255,0.8); }
.site-footer a:hover { color: var(--color-gold); }
.footer-grid { display: grid; gap: 28px; border-top: 1px solid rgba(255,255,255,0.08); padding-top: 28px; }
.footer-grid h3 { font-size: 16px; color: rgba(255,255,255,0.92); font-family: 'DM Sans', sans-serif; font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; }
.footer-grid article { display: flex; flex-direction: column; gap: 8px; }
.footer-logo { max-height: 40px; width: auto; }
.footer-fallback { font-family: 'Cormorant Garamond', serif; font-size: 24px; letter-spacing: 0.15em; color: var(--color-white); }
.footer-bar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; border-top: 1px solid rgba(255,255,255,0.08); margin-top: 24px; padding-top: 16px; color: rgba(255,255,255,0.7); font-size: 13px; }

/* 8. Components: Cards */
.card { background: var(--color-white); border: 1px solid var(--color-border); border-radius: 2px; padding: 24px; }
.card--service { background: var(--color-surface); border-top: 2px solid var(--color-gold); }
.card--service a { color: var(--color-gold); font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; }
.card__topline { color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.12em; font-size: 11px; display: inline-block; margin-bottom: 8px; }
.case-preview, .testimonial { min-height: 220px; }
.case-preview { background: linear-gradient(180deg, var(--color-white), var(--color-surface)); }
.testimonial { background: var(--color-white); }
.testimonial__mark { font-size: 26px; color: var(--color-gold); font-family: 'Cormorant Garamond', serif; }
.testimonials p { font-family: 'Cormorant Garamond', serif; font-size: 18px; font-style: italic; }
.testimonials cite { text-transform: uppercase; letter-spacing: 0.12em; font-size: 11px; color: var(--color-text-muted); font-style: normal; }

/* 9. Components: Forms */
input { width: 100%; border: 1px solid var(--color-border); background: var(--color-white); padding: 14px 16px; color: var(--color-text-dark); }
input:focus { outline: 2px solid var(--color-gold-light); border-color: var(--color-gold); }
.ebook-form { display: flex; flex-direction: column; gap: 12px; }
.form-note { font-size: 13px; color: var(--color-text-muted); }
.sr-only { position: absolute; left: -9999px; }

/* 10. Components: Accordions */
.faq-item, .case-study-card { overflow: hidden; }
.faq-question, .case-study-toggle { width: 100%; display: flex; align-items: center; justify-content: space-between; background: none; border: none; color: var(--color-text-dark); font-size: 16px; padding: 0; text-align: left; }
.faq-answer, .case-study-panel { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-item.open .faq-answer, .case-study-card.expanded .case-study-panel { max-height: 400px; }
.faq-answer p { padding-top: 12px; }

/* 11. Page: Home */
.hero__inner { max-width: 880px; }
.hero__footer { margin-top: 40px; border-top: 1px solid var(--color-border); padding-top: 18px; }
.hero__footer p { text-transform: uppercase; letter-spacing: 0.08em; font-size: 13px; color: var(--color-text-muted); }
.cta-strip { display: grid; gap: 20px; align-items: center; padding: 32px 0; }

/* 12. Page: About */
.philosophy-mark { font-family: 'Cormorant Garamond', serif; font-size: 96px; color: var(--color-gold); line-height: 1; }
.founder-story { display: grid; gap: 28px; align-items: center; }
.founder-story__media {
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: 0 18px 30px rgba(28, 26, 23, 0.08);
}
.founder-story__media img {
  display: block;
  width: 100%;
  height: 520px;
  object-fit: cover;
  object-position: center 18%;
  border-radius: 18px;
}
.founder-story__copy h2 { font-size: 32px; line-height: 1.15; margin-bottom: 18px; }
.founder-story__signature { font-family: 'Cormorant Garamond', serif; font-size: 18px; color: var(--color-text-dark); letter-spacing: 0.08em; text-transform: uppercase; margin-top: 18px; }
.list-grid, .three-up-grid, .timeline-grid { display: grid; gap: 18px; }
.list-card, .timeline-step { border-left: 2px solid var(--color-gold); padding-left: 16px; color: var(--color-text-dark); }
.timeline-step span { color: var(--color-text-muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.12em; }

/* 13. Page: Services */
.service-panel__media { min-height: 220px; border: 1px solid var(--color-border); background: linear-gradient(135deg, var(--color-surface), var(--color-white)); }
.deliverables { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0 24px; }
.deliverables span { border: 1px solid var(--color-border); padding: 8px 10px; font-size: 13px; color: var(--color-text-muted); }

/* 14. Page: Portfolio */
.filters { display: flex; flex-wrap: wrap; gap: 12px; border-bottom: 1px solid var(--color-border); padding-bottom: 16px; }
.filter-tab { background: none; border: none; padding: 0 0 8px; color: var(--color-text-body); text-transform: uppercase; letter-spacing: 0.08em; font-size: 11px; border-bottom: 1px solid transparent; }
.filter-tab.is-active { color: var(--color-gold); border-color: var(--color-gold); }
.portfolio-grid { display: grid; gap: 24px; }
.case-study-card.is-hidden { opacity: 0; transform: scale(.98); pointer-events: none; display: none; }
.case-study-card__image { min-height: 180px; background: var(--color-surface); border: 1px solid var(--color-border); display: grid; place-items: center; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.12em; font-size: 11px; margin-bottom: 18px; }
.pill-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.pill-row span { border: 1px solid var(--color-border); padding: 6px 8px; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-text-muted); }
.case-study-toggle { color: var(--color-gold); text-transform: uppercase; letter-spacing: 0.08em; font-size: 12px; margin-top: 12px; }
.case-study-panel .muted, .muted { color: var(--color-text-muted); }

/* 15. Page: Ebooks */
.ebook-card { display: grid; gap: 14px; }
.ebook-cover { min-height: 260px; background: var(--color-surface); border: 1px solid var(--color-border); display: grid; place-items: center; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.12em; font-size: 11px; }

/* 16. Page: Contact */
.contact-list { list-style: none; padding: 0; margin: 0 0 18px; display: grid; gap: 10px; }
.contact-list a { color: var(--color-text-dark); font-weight: 500; }

/* 17. Animations */
.animate-on-scroll { opacity: 0; transform: translateY(24px); transition: opacity .6s cubic-bezier(.22,1,.36,1), transform .6s cubic-bezier(.22,1,.36,1); }
.animate-on-scroll.visible { opacity: 1; transform: translateY(0); }
.animate-on-scroll > * { transition-delay: 80ms; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .animate-on-scroll, .animate-on-scroll > * { transition: none !important; }
}

/* 18. Media Queries (mobile-first) */
@media (min-width: 768px) {
  .section { padding: 96px 0; }
  .founder-story { grid-template-columns: 0.95fr 1.05fr; }
  .card-grid--2 { grid-template-columns: repeat(2, 1fr); }
  .card-grid--3 { grid-template-columns: repeat(3, 1fr); }
  .layout-split { grid-template-columns: 1.1fr 0.9fr; align-items: start; }
  .contact-grid { grid-template-columns: 1fr 1fr; align-items: start; }
  .service-panel { grid-template-columns: 1fr 1fr; align-items: center; }
  .service-panel--reverse .service-panel__media { order: 2; }
  .ebook-grid { grid-template-columns: 1fr 1fr; }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-strip { grid-template-columns: 1fr auto; }
  .nav-toggle { display: none; }
  .nav-panel { position: static; transform: none; opacity: 1; pointer-events: auto; flex-direction: row; align-items: center; padding: 0; background: transparent; border-top: none; }
  .nav-link { font-size: 13px; }
  .nav-tagline { display: inline-flex; }
  .nav-cta { margin-top: 0; }
  .footer-grid { grid-template-columns: 1.2fr 1fr 1fr 1fr; }
}

@media (min-width: 1024px) {
  .section { padding: 120px 0; }
  .container { width: min(var(--max-width), calc(100% - 64px)); }
  .list-grid { grid-template-columns: repeat(2, 1fr); }
  .three-up-grid { grid-template-columns: repeat(3, 1fr); }
  .timeline-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 1280px) {
  .hero__inner { max-width: 980px; }
}