:root {
  --ink: #1c221e;
  --muted: #5c675f;
  --line: rgba(28, 34, 30, 0.14);
  --paper: #f1efe8;
  --brass: #8f7349;
  --brass-deep: #745c39;
  --phi: 1.618;
}

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

html,
body {
  margin: 0;
  height: 100%;
}

body {
  color: var(--ink);
  font-family: "Outfit", sans-serif;
  font-weight: 300;
  line-height: 1.5;
  background: #d4cfc4;
}

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

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem clamp(1rem, 3vw, 2rem);
  background: rgba(241, 239, 232, 0.94);
  border-bottom: 1px solid var(--line);
}

.logo {
  font-family: "Fraunces", serif;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.logo-sub {
  font-weight: 400;
  letter-spacing: 0.08em;
  font-size: 0.72em;
  margin-left: 0.15rem;
  color: var(--muted);
}

.nav {
  display: flex;
  gap: 1.2rem;
  align-items: center;
  font-size: 0.9rem;
}

.nav-cta {
  border-bottom: 1px solid currentColor;
  padding-bottom: 0.08rem;
}

.home {
  min-height: 100%;
  padding: 5.5rem clamp(1rem, 3vw, 2rem) 3rem;
  background: var(--paper);
}

.home-inner {
  max-width: 860px;
  margin: 0 auto;
}

.home-inner--wide {
  max-width: 1080px;
}

.home-brand {
  margin: 0 0 0.15rem;
  font-family: "Fraunces", serif;
  font-size: clamp(2.4rem, 6vw, 3.8rem);
  font-weight: 600;
  line-height: 0.95;
}

.home-brand-sub {
  margin: 0 0 0.85rem;
  font-family: "Fraunces", serif;
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass);
}

.home h1 {
  margin: 0 0 0.8rem;
  font-family: "Fraunces", serif;
  font-size: clamp(1.3rem, 2.6vw, 1.75rem);
  font-weight: 500;
}

.home-lede {
  margin: 0 0 1.25rem;
  color: var(--muted);
  max-width: 48ch;
}

.research-strip {
  margin: 0 0 2rem;
  padding: 1rem 0 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
  max-width: 54ch;
}

.research-block {
  margin: 0 0 2.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.research-block h2 {
  margin: 0 0 1rem;
  font-family: "Fraunces", serif;
  font-size: 1.35rem;
  font-weight: 500;
}

.research-block h3 {
  margin: 0 0 0.5rem;
  font-family: "Fraunces", serif;
  font-size: 1.05rem;
  font-weight: 500;
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.research-grid article {
  padding: 1.1rem 1.15rem;
  background: #fff;
  border: 1px solid var(--line);
}

.research-grid p,
.research-block > p {
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.research-grid ul {
  margin: 0 0 0.75rem;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.research-grid li {
  margin-bottom: 0.35rem;
}

.research-grid .note {
  margin: 0;
  padding-top: 0.65rem;
  border-top: 1px solid var(--line);
  color: var(--brass-deep);
  font-size: 0.88rem;
}

.how-list--stairs {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 1rem;
}

.path-kicker {
  margin: 0 0 0.55rem;
  color: var(--brass);
  font-family: "Fraunces", serif;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
}

.path-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 2rem 0 2.5rem;
}

@media (min-width: 960px) {
  .path-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.path-card {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.35rem 1.25rem 1.2rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 2px;
  min-height: 100%;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.path-card:hover {
  border-color: var(--brass);
  transform: translateY(-2px);
}

.path-card__no {
  font-family: "Fraunces", serif;
  color: var(--brass);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
}

.path-card h2 {
  margin: 0;
  font-family: "Fraunces", serif;
  font-size: 1.35rem;
  font-weight: 500;
  line-height: 1.15;
}

.path-card__tag {
  margin: 0;
  color: var(--brass-deep);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}

.path-card > p:not(.path-card__tag) {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  flex: 1;
}

.path-card__cta {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--ink);
  align-self: start;
  padding-bottom: 0.08rem;
}

.how-strip {
  margin: 0 0 1rem;
  padding: 1.5rem 0 0;
  border-top: 1px solid var(--line);
}

.how-strip h2 {
  margin: 0 0 1rem;
  font-family: "Fraunces", serif;
  font-size: 1.25rem;
  font-weight: 500;
}

.how-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.how-list li {
  display: grid;
  gap: 0.35rem;
  padding: 0.9rem 0 0;
  border-top: 1px solid var(--line);
}

.how-list strong {
  font-family: "Fraunces", serif;
  font-weight: 500;
  font-size: 1.02rem;
}

.how-list span {
  color: var(--muted);
  font-size: 0.9rem;
}

.album-links {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.album-links a {
  display: grid;
  grid-template-columns: 3rem 1fr auto;
  gap: 0.75rem;
  align-items: baseline;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
}

.album-links span {
  color: var(--brass);
  font-family: "Fraunces", serif;
}

.album-links strong {
  font-family: "Fraunces", serif;
  font-weight: 500;
  font-size: 1.2rem;
}

.album-links em {
  font-style: normal;
  color: var(--muted);
  font-size: 0.9rem;
}

.home-actions {
  margin-top: 1.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.25rem;
  background: var(--brass);
  color: #f8f4ec;
  border: 0;
  border-radius: 2px;
  font: inherit;
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--brass-deep);
}

.btn-text {
  border-bottom: 1px solid var(--ink);
  padding-bottom: 0.1rem;
}

.enquire {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.enquire h2 {
  margin: 0 0 0.5rem;
  font-family: "Fraunces", serif;
  font-size: 1.6rem;
  font-weight: 500;
}

.enquire > p {
  margin: 0 0 1.25rem;
  color: var(--muted);
}

.enquire-form {
  display: grid;
  gap: 0.85rem;
  max-width: 560px;
}

.enquire-form label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.enquire-form input,
.enquire-form textarea,
.enquire-form select {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 2px;
  padding: 0.75rem 0.85rem;
  font: inherit;
  color: var(--ink);
}

.enquire-form .btn-primary {
  justify-self: start;
}

.form-note {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  display: flex;
  gap: 0.75rem;
  padding: 1.5rem clamp(1rem, 3vw, 2rem);
  border-top: 1px solid var(--line);
  background: var(--paper);
}

.footer-brand {
  margin: 0;
  font-family: "Fraunces", serif;
  font-weight: 600;
}

.footer-line {
  margin: 0;
  color: var(--muted);
}

/* Flipbook — full-bleed plate */
.book-shell {
  min-height: 100dvh;
  min-height: 100vh;
  padding: 3.5rem 0 0;
  display: grid;
  grid-template-rows: 1fr auto;
  background: #1a1c1a;
}

.book {
  position: relative;
  width: min(1400px, 100%);
  height: 100%;
  margin: 0 auto;
  overflow: hidden;
  background: #111;
}

.book-track {
  display: flex;
  height: 100%;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.page {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
  min-width: 0;
  position: relative;
  display: block;
}

.page-visual {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #222;
}

.page-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.08;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  z-index: 1;
}

.page-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: contrast(0.97) saturate(0.94);
}

.page-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  width: auto;
  max-width: none;
  padding: 4.5rem clamp(1.1rem, 3vw, 2rem) 1.35rem;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(12, 14, 13, 0.55) 42%,
    rgba(12, 14, 13, 0.82) 100%
  );
  color: #f4f5f2;
  border: 0;
}

.page-no {
  margin: 0 0 0.3rem;
  color: rgba(210, 185, 140, 0.95);
  font-family: "Fraunces", serif;
  font-size: 0.84rem;
  letter-spacing: 0.06em;
}

.page-caption h2 {
  margin: 0 0 0.4rem;
  font-family: "Fraunces", serif;
  font-size: clamp(1.35rem, 2.8vw, 1.9rem);
  font-weight: 500;
  line-height: 1.15;
  color: #f7f7f4;
  max-width: 18ch;
}

.page-caption p {
  margin: 0;
  color: rgba(235, 236, 230, 0.88);
  font-size: clamp(0.9rem, 1.5vw, 1.02rem);
  max-width: 42ch;
  line-height: 1.45;
}

.book-bar {
  width: min(1400px, 100%);
  margin: 0 auto;
  padding: 0.55rem clamp(0.85rem, 2vw, 1.5rem) 0.7rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: #141614;
  color: #e8e9e4;
}

.book-nav {
  display: flex;
  gap: 0.45rem;
}

.book-nav button {
  appearance: none;
  border: 1px solid rgba(232, 233, 228, 0.28);
  background: transparent;
  color: #e8e9e4;
  font: inherit;
  padding: 0.5rem 0.9rem;
  border-radius: 2px;
  cursor: pointer;
}

.book-nav button:hover:not(:disabled) {
  border-color: #c4a574;
  color: #fff;
}

.book-nav button:disabled {
  opacity: 0.3;
  cursor: default;
}

.book-status {
  color: rgba(232, 233, 228, 0.7);
  font-size: 0.9rem;
  font-family: "Fraunces", serif;
}

.book-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.1rem;
  font-size: 0.88rem;
}

.book-links a {
  border-bottom: 1px solid rgba(196, 165, 116, 0.85);
  padding-bottom: 0.1rem;
  color: #e8e9e4;
}

.book-title {
  position: absolute;
  left: 1rem;
  top: 1rem;
  z-index: 3;
  margin: 0;
  padding: 0.3rem 0.55rem;
  background: rgba(20, 22, 20, 0.55);
  color: #f4f5f2;
  font-family: "Fraunces", serif;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  backdrop-filter: blur(4px);
}

@media (max-width: 900px) {
  .path-grid,
  .how-list,
  .how-list--stairs,
  .research-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .nav a:not(.nav-cta) {
    display: none;
  }

  .book-bar {
    flex-wrap: wrap;
  }

  .page-caption {
    padding: 3.5rem 1rem 1.1rem;
  }

  .page-caption h2 {
    max-width: 14ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .book-track {
    transition: none;
  }
}

/* Trust / About / Specs */
.trust-bar {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0.85rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.25rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 0.88rem;
  color: var(--muted);
}

.trust-bar li {
  position: relative;
  padding-left: 0.9rem;
}

.trust-bar li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 50%;
  background: var(--brass);
}

.trust-bar a {
  color: var(--brass-deep);
  border-bottom: 1px solid rgba(116, 92, 57, 0.35);
  padding-left: 0;
}

.trust-bar li:has(a)::before {
  display: none;
}

.trust-bar li:has(a) {
  padding-left: 0;
}

.trust-panel {
  margin: 0 0 2rem;
  padding: 1.35rem 1.25rem;
  background: #fff;
  border: 1px solid var(--line);
}

.trust-panel h2 {
  margin: 0 0 1rem;
  font-family: "Fraunces", serif;
  font-size: 1.25rem;
  font-weight: 500;
}

.trust-checks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.trust-checks li {
  display: grid;
  gap: 0.2rem;
  padding-left: 1rem;
  border-left: 2px solid var(--brass);
}

.trust-checks strong {
  font-family: "Fraunces", serif;
  font-weight: 500;
}

.trust-checks span {
  color: var(--muted);
  font-size: 0.92rem;
}

.contact-line {
  font-size: 1.05rem;
}

.contact-line a,
.footer-line a,
.research-strip a,
.form-note a {
  color: var(--brass-deep);
  border-bottom: 1px solid rgba(116, 92, 57, 0.35);
}

.spec-block {
  margin: 0 0 1.75rem;
  padding: 1.25rem 1.2rem 1.35rem;
  background: #fff;
  border: 1px solid var(--line);
}

.spec-block h2 {
  margin: 0 0 0.85rem;
  font-family: "Fraunces", serif;
  font-size: 1.2rem;
  font-weight: 500;
}

.spec-dl {
  margin: 0 0 1rem;
  display: grid;
  gap: 0.65rem;
}

.spec-dl div {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: 0.75rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.92rem;
}

.spec-dl dt {
  margin: 0;
  color: var(--brass-deep);
  font-family: "Fraunces", serif;
  font-weight: 500;
}

.spec-dl dd {
  margin: 0;
  color: var(--muted);
}

.spec-strip {
  margin: 0 0 1.75rem;
  padding: 1rem 1.1rem;
  background: #fff;
  border: 1px solid var(--line);
  font-size: 0.9rem;
  color: var(--muted);
}

.spec-strip strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--ink);
  font-family: "Fraunces", serif;
  font-weight: 500;
}

.spec-strip a {
  color: var(--brass-deep);
  border-bottom: 1px solid rgba(116, 92, 57, 0.35);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.site-footer--links {
  justify-content: space-between;
  flex-wrap: wrap;
}

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }

  .spec-dl div {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }
}