/* =====================================================================
   Burkhalter & Associés — homepage
   Direction: Swiss legal quiet luxury with cinematic impact
   ===================================================================== */

/* ----------------------------- Tokens ----------------------------- */
:root {
  /* Brand DNA — refined oxblood / paper / warm black */
  --oxblood: #6f1f2a;
  --oxblood-deep: #4a141c;
  --oxblood-bright: #8a2733;
  --oxblood-ink: #2a0e12;

  --ink: #15100f;          /* warm near-black */
  --ink-2: #1d1614;
  --ink-3: #241b18;

  --paper: #f4efe5;        /* page paper */
  --paper-2: #ece4d5;
  --ivory: #fbf7ee;        /* lifted sheets */

  --sand: #c6a37c;
  --bronze: #9a6c4c;

  --muted: #5d524a;        /* body secondary on paper (AA) */
  --muted-soft: #837567;

  /* On-dark */
  --on-dark: #f1e7d7;
  --on-dark-soft: rgba(241, 231, 215, 0.66);
  --on-dark-faint: rgba(241, 231, 215, 0.40);

  /* Hairlines */
  --line: rgba(42, 14, 18, 0.16);
  --line-soft: rgba(42, 14, 18, 0.09);
  --line-dark: rgba(241, 231, 215, 0.16);
  --line-dark-soft: rgba(241, 231, 215, 0.08);

  /* Type */
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Inter", "Helvetica Neue", Arial, sans-serif;

  /* Layout */
  --container: min(1280px, calc(100vw - clamp(2rem, 6vw, 9rem)));
  --header-h: 84px;
  --section-y: clamp(5.5rem, 11vw, 11rem);

  /* Motion */
  --ease: cubic-bezier(0.22, 0.68, 0.18, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --slow: 0.9s;

  color-scheme: light;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: clamp(15px, 0.55vw + 13.6px, 17px);
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

h1, h2, h3 { margin: 0; font-weight: 400; }
p { margin: 0; }
ul, ol, dl, dd { margin: 0; padding: 0; }
li { list-style: none; }

::selection {
  background: var(--oxblood);
  color: var(--ivory);
}

:focus-visible {
  outline: 2px solid var(--oxblood);
  outline-offset: 3px;
  border-radius: 2px;
}

.shell {
  width: var(--container);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  padding: 0.6rem 1rem;
  background: var(--ink);
  color: var(--on-dark);
  border-radius: 4px;
  font-size: 0.85rem;
  transform: translateY(-160%);
  transition: transform 0.25s var(--ease);
}
.skip-link:focus { transform: translateY(0); }

/* -------------------------- Shared atoms -------------------------- */
.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0 0 1.4rem;
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--oxblood);
  font-weight: 500;
}
.eyebrow--light { color: var(--sand); }
.eyebrow__no {
  font-family: var(--serif);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--bronze);
  font-variant-numeric: tabular-nums;
}
.eyebrow--light .eyebrow__no { color: var(--on-dark-soft); }

em { font-style: italic; }

/* Buttons */
.btn {
  --btn-bg: var(--oxblood);
  --btn-fg: var(--ivory);
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1.5rem;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  font-weight: 500;
  border-radius: 2px;
  isolation: isolate;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), color 0.4s var(--ease);
}
.btn svg { transition: transform 0.4s var(--ease); }
.btn:hover svg { transform: translateX(4px); }

.btn--solid {
  color: var(--btn-fg);
  background: var(--btn-bg);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.12) inset, 0 12px 30px -16px rgba(42, 14, 18, 0.85);
}
.btn--solid::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background: var(--oxblood-bright);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}
.btn--solid:hover {
  transform: translateY(-2px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.16) inset, 0 18px 38px -16px rgba(42, 14, 18, 0.9);
}
.btn--solid:hover::before { opacity: 1; }

.btn--ghost {
  color: var(--ink);
  border: 1px solid var(--line);
  background: transparent;
}
.btn--ghost::after {
  content: "";
  position: absolute;
  left: 1.5rem;
  right: 1.5rem;
  bottom: 0.7rem;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  opacity: 0.5;
  transition: transform 0.45s var(--ease);
}
.btn--ghost:hover::after { transform: scaleX(1); }
.btn--ghost:hover { transform: translateY(-2px); border-color: var(--oxblood); }

.btn--ghost-dark { color: var(--on-dark); border-color: var(--line-dark); }
.btn--ghost-dark:hover { border-color: var(--sand); }

.textlink {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--oxblood);
  padding-bottom: 2px;
  border-bottom: 1px solid var(--line);
  transition: border-color 0.4s var(--ease), gap 0.4s var(--ease);
}
.textlink svg { transition: transform 0.4s var(--ease); }
.textlink:hover { border-color: var(--oxblood); gap: 0.75rem; }
.textlink:hover svg { transform: translate(2px, -2px); }

/* Reveal animation */
.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity var(--slow) var(--ease-out), transform var(--slow) var(--ease-out);
}
.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ============================ MASTHEAD ============================ */
.masthead {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background 0.5s var(--ease), border-color 0.5s var(--ease), backdrop-filter 0.5s var(--ease);
  border-bottom: 1px solid transparent;
}
.masthead__inner {
  width: var(--container);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.masthead.is-scrolled {
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  -webkit-backdrop-filter: blur(14px) saturate(1.1);
  backdrop-filter: blur(14px) saturate(1.1);
  border-bottom-color: var(--line-soft);
}

/* Wordmark */
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--on-dark);
  transition: color 0.5s var(--ease);
}
.masthead.is-scrolled .wordmark { color: var(--ink); }

.wordmark__mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  font-family: var(--serif);
  font-size: 0.86rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0;
  white-space: nowrap;
  color: var(--ivory);
  background: var(--oxblood);
  border-radius: 3px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.18) inset, 0 8px 22px -12px rgba(42, 14, 18, 0.9);
}
.wordmark__mark i { font-style: italic; opacity: 0.75; margin: 0 0.04em; }
.wordmark__mark--light { background: var(--oxblood); }

.wordmark__text { display: flex; flex-direction: column; line-height: 1.05; }
.wordmark__name {
  font-family: var(--serif);
  font-size: 1.06rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.wordmark__name span { color: var(--oxblood); }
.masthead .wordmark__name span { color: var(--sand); }
.masthead.is-scrolled .wordmark__name span { color: var(--oxblood); }
.wordmark__sub {
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: currentColor;
  opacity: 0.6;
  margin-top: 3px;
}

/* Nav */
.masthead__nav {
  display: flex;
  align-items: center;
  gap: clamp(1.2rem, 2vw, 2.2rem);
}
.masthead__nav > a:not(.masthead__cta) {
  position: relative;
  font-size: 0.86rem;
  letter-spacing: 0.02em;
  color: var(--on-dark-soft);
  padding: 4px 0;
  transition: color 0.4s var(--ease);
}
.masthead.is-scrolled .masthead__nav > a:not(.masthead__cta) { color: var(--muted); }
.masthead__nav > a:not(.masthead__cta)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: var(--oxblood);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.masthead__nav > a:not(.masthead__cta):hover {
  color: var(--on-dark);
}
.masthead.is-scrolled .masthead__nav > a:not(.masthead__cta):hover { color: var(--ink); }
.masthead__nav > a:not(.masthead__cta):hover::after { transform: scaleX(1); }

.masthead__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem 1.1rem;
  font-size: 0.84rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ivory);
  background: var(--oxblood);
  border-radius: 2px;
  transition: background 0.4s var(--ease), transform 0.4s var(--ease);
}
.masthead__cta svg { transition: transform 0.4s var(--ease); }
.masthead__cta:hover { background: var(--oxblood-bright); transform: translateY(-1px); }
.masthead__cta:hover svg { transform: translateX(3px); }

/* Mobile toggle */
.masthead__toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-right: -8px;
  position: relative;
}
.masthead__toggle span {
  position: absolute;
  left: 11px;
  right: 11px;
  height: 1.5px;
  background: var(--on-dark);
  transition: transform 0.4s var(--ease), opacity 0.3s var(--ease), background 0.4s var(--ease);
}
.masthead.is-scrolled .masthead__toggle span { background: var(--ink); }
.menu-open .masthead__toggle span { background: var(--ink); }
.masthead__toggle span:nth-child(1) { top: 18px; }
.masthead__toggle span:nth-child(2) { top: 25px; }
.menu-open .masthead__toggle span:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
.menu-open .masthead__toggle span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }

/* ============================ HERO ============================ */
.hero {
  position: relative;
  min-height: 100svh;
  padding: calc(var(--header-h) + clamp(1.5rem, 4vh, 3rem)) 0 clamp(2rem, 4vh, 3rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  color: var(--on-dark);
  background: var(--ink);
}

/* Atmosphere layers */
.hero__atmosphere { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero__atmosphere > span { position: absolute; inset: 0; }

.hero__wall {
  background:
    linear-gradient(155deg, #1c1513 0%, #15100f 42%, #120c0b 100%);
}
.hero__light {
  /* Rasante light grazing from upper-left */
  background:
    radial-gradient(120% 90% at 8% -8%, rgba(238, 222, 196, 0.16) 0%, rgba(238, 222, 196, 0.05) 26%, transparent 52%),
    radial-gradient(80% 70% at 96% 8%, rgba(111, 31, 42, 0.30) 0%, transparent 55%);
  mix-blend-mode: screen;
}
.hero__glow {
  background: radial-gradient(70% 80% at 78% 108%, rgba(111, 31, 42, 0.42) 0%, transparent 60%);
  mix-blend-mode: screen;
  opacity: 0.9;
}
.hero__rules {
  /* Architectural vertical guides */
  background-image:
    linear-gradient(90deg, rgba(241, 231, 215, 0.05) 1px, transparent 1px);
  background-size: calc(100% / 6) 100%;
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 12%, #000 86%, transparent);
  mask-image: linear-gradient(180deg, transparent, #000 12%, #000 86%, transparent);
  opacity: 0.7;
}
.hero__grain {
  background-image:
    radial-gradient(rgba(241, 231, 215, 0.5) 0.5px, transparent 0.6px),
    radial-gradient(rgba(0, 0, 0, 0.5) 0.4px, transparent 0.5px);
  background-size: 3px 3px, 4px 4px;
  background-position: 0 0, 1px 2px;
  opacity: 0.05;
  mix-blend-mode: overlay;
}

/* Inner layout */
.hero__inner {
  position: relative;
  z-index: 2;
  width: var(--container);
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) minmax(0, 0.78fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
  flex: 1;
}

.hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.74rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--on-dark-soft);
  margin-bottom: clamp(1.4rem, 3vh, 2.2rem);
}
.tick {
  width: 26px;
  height: 1px;
  background: var(--sand);
  position: relative;
}
.tick::after {
  content: "";
  position: absolute;
  right: 0;
  top: -2px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--oxblood-bright);
}

.hero__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.6rem, 6.6vw, 6rem);
  line-height: 0.98;
  letter-spacing: -0.018em;
  color: var(--on-dark);
  margin: 0;
}
.hero__title .line { display: block; overflow: hidden; }
.hero__title .line > span { display: block; }
.js .hero__title .line > span { transform: translateY(105%); }
.hero__title .line--accent {
  font-style: italic;
  color: var(--sand);
  margin-top: 0.06em;
}
.hero__title .line--accent em {
  position: relative;
  font-style: italic;
}
.hero__title .line--accent em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.08em;
  height: 1px;
  background: linear-gradient(90deg, var(--oxblood-bright), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.1s var(--ease-out) 1.1s;
}
.is-hero-in .hero__title .line--accent em::after { transform: scaleX(1); }

.hero__copy {
  max-width: 44ch;
  margin-top: clamp(1.6rem, 3vh, 2.4rem);
  font-size: clamp(1rem, 0.4vw + 0.92rem, 1.18rem);
  line-height: 1.62;
  color: var(--on-dark-soft);
}
.hero__copy .ul {
  color: var(--on-dark);
  position: relative;
  white-space: nowrap;
}
.hero__copy .ul::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: var(--oxblood-bright);
  opacity: 0.7;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: clamp(2rem, 4vh, 3rem);
}

/* Hero stage — the dossier object + glass panel */
.hero__stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 460px;
}
.dossier {
  position: relative;
  width: min(360px, 80%);
  aspect-ratio: 3 / 4;
  transform: rotate(-2.6deg);
  filter: drop-shadow(0 50px 70px rgba(0, 0, 0, 0.55));
}
.dossier__sheet {
  position: absolute;
  inset: 0;
  border-radius: 3px;
}
.dossier__sheet--back {
  background: #c9bca6;
  transform: translate(26px, 30px) rotate(4deg);
  opacity: 0.5;
}
.dossier__sheet--mid {
  background: #e3d8c4;
  transform: translate(14px, 16px) rotate(2deg);
  opacity: 0.8;
}
.dossier__sheet--front {
  background:
    linear-gradient(180deg, #fbf7ee 0%, #f3ebdc 100%);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.7) inset,
    0 -40px 60px -50px rgba(42, 14, 18, 0.4) inset;
  padding: 1.7rem 1.6rem;
  display: flex;
  flex-direction: column;
  color: var(--ink);
  overflow: hidden;
}
.dossier__thread {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 28px;
  width: 2px;
  background: linear-gradient(180deg, var(--oxblood-bright), var(--oxblood-deep));
  opacity: 0.85;
}
.dossier__head {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding-left: 0.8rem;
  margin-bottom: 1.4rem;
}
.dossier__ref {
  font-family: var(--serif);
  font-size: 0.92rem;
  color: var(--oxblood);
  letter-spacing: 0.02em;
}
.dossier__loc {
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted-soft);
}
.dossier__rows {
  display: flex;
  flex-direction: column;
  gap: 0.78rem;
  padding-left: 0.8rem;
}
.dossier__rows span {
  height: 1px;
  background: rgba(42, 14, 18, 0.18);
}
.seal {
  margin: auto 0 0 auto;
  color: var(--oxblood);
  opacity: 0.92;
  transform: rotate(2.6deg);
}
.seal__ring {
  font-family: var(--sans);
  font-size: 7.2px;
  letter-spacing: 1.4px;
  fill: var(--oxblood);
}
.seal__mono {
  font-family: var(--serif);
  font-size: 20px;
  font-style: italic;
  fill: var(--oxblood);
}
.seal__est {
  font-family: var(--sans);
  font-size: 6px;
  letter-spacing: 2px;
  fill: var(--bronze);
}

/* Glass contact panel — overlaps the dossier's lower-left corner */
.hero__contact {
  position: absolute;
  z-index: 3;
  left: -17%;
  bottom: 1%;
  width: min(310px, 92%);
  padding: 1.3rem 1.4rem 1.4rem;
}
.glass {
  border-radius: 4px;
  border: 1px solid var(--line-dark);
  background: rgba(28, 21, 19, 0.46);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  backdrop-filter: blur(16px) saturate(1.2);
  box-shadow:
    0 1px 0 rgba(241, 231, 215, 0.08) inset,
    0 28px 60px -30px rgba(0, 0, 0, 0.8);
}
.hero__contact-label {
  display: block;
  font-size: 0.62rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--sand);
  margin-bottom: 0.9rem;
}
.hero__contact ul { display: flex; flex-direction: column; gap: 0.7rem; }
.hero__contact li {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--line-dark-soft);
}
.hero__contact li:last-child { border-bottom: 0; padding-bottom: 0; }
.hero__contact .k {
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--on-dark-faint);
}
.hero__contact .v { font-size: 0.92rem; color: var(--on-dark); transition: color 0.3s var(--ease); }
.hero__contact a.v:hover { color: var(--sand); }

/* Hero meta row */
.hero__meta {
  position: relative;
  z-index: 2;
  width: var(--container);
  margin: clamp(1.5rem, 3vh, 2.5rem) auto 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line-dark-soft);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--on-dark-faint);
  font-variant-numeric: tabular-nums;
}
.hero__scroll {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--on-dark-soft);
}
.hero__scroll-line {
  width: 46px;
  height: 1px;
  background: var(--line-dark);
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--sand);
  transform: translateX(-100%);
  animation: scrollcue 2.6s var(--ease) infinite;
}
@keyframes scrollcue {
  0% { transform: translateX(-100%); }
  55%, 100% { transform: translateX(100%); }
}

/* Hero entrance (only when JS present) */
.js .hero__kicker,
.js .hero__copy,
.js .hero__actions,
.js .hero__contact,
.js .hero__meta { opacity: 0; }
.js .hero__stage { opacity: 0; }

.is-hero-in .hero__title .line > span {
  animation: heroLine 1s var(--ease-out) forwards;
}
.is-hero-in .hero__title .line:nth-child(1) > span { animation-delay: 0.15s; }
.is-hero-in .hero__title .line:nth-child(2) > span { animation-delay: 0.27s; }
.is-hero-in .hero__title .line:nth-child(3) > span { animation-delay: 0.39s; }
.is-hero-in .hero__title .line:nth-child(4) > span { animation-delay: 0.51s; }
@keyframes heroLine { to { transform: translateY(0); } }

.is-hero-in .hero__kicker { animation: heroFade 0.9s var(--ease-out) 0.05s forwards; }
.is-hero-in .hero__copy { animation: heroFade 0.9s var(--ease-out) 0.6s forwards; }
.is-hero-in .hero__actions { animation: heroFade 0.9s var(--ease-out) 0.72s forwards; }
.is-hero-in .hero__stage { animation: heroFade 1.2s var(--ease-out) 0.5s forwards; }
.is-hero-in .hero__contact { animation: heroFade 1s var(--ease-out) 0.85s forwards; }
.is-hero-in .hero__meta { animation: heroFade 1s var(--ease-out) 0.95s forwards; }
@keyframes heroFade { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

/* Safety net — force final visible state if animations were paused */
.hero-settled .hero__kicker,
.hero-settled .hero__copy,
.hero-settled .hero__actions,
.hero-settled .hero__contact,
.hero-settled .hero__meta,
.hero-settled .hero__stage { opacity: 1; }
.hero-settled .hero__title .line > span { transform: none; }

/* ====================== EDITORIAL INTRO ====================== */
.editorial {
  position: relative;
  padding: var(--section-y) 0;
  background:
    linear-gradient(180deg, var(--paper) 0%, var(--paper) 100%);
}
.editorial__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(2rem, 6vw, 5.5rem);
  align-items: start;
}
.editorial__lead {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.9rem, 3.4vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -0.012em;
}
.editorial__lead em { color: var(--oxblood); font-style: italic; }
.editorial__body {
  display: flex;
  flex-direction: column;
  gap: 1.3rem;
  color: var(--muted);
  font-size: 1.02rem;
  padding-top: 0.5rem;
}
.editorial__body .editorial__drop { color: var(--ink); }
.dropcap {
  float: left;
  font-family: var(--serif);
  font-size: 3.6em;
  line-height: 0.72;
  font-weight: 500;
  color: var(--oxblood);
  margin: 0.08em 0.12em 0 0;
}

/* Metrics */
.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  margin-top: clamp(3rem, 7vw, 6rem);
  padding-top: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
}
.metric { display: flex; flex-direction: column; gap: 0.9rem; }
.metric dt {
  font-family: var(--serif);
  font-size: clamp(2.6rem, 4.6vw, 4.2rem);
  line-height: 0.9;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-variant-numeric: lining-nums tabular-nums;
}
.metric__unit {
  font-size: 0.34em;
  margin-left: 0.3em;
  letter-spacing: 0.04em;
  color: var(--bronze);
  vertical-align: 0.7em;
  font-family: var(--sans);
  text-transform: uppercase;
}
.metric dd { color: var(--muted); font-size: 0.92rem; line-height: 1.55; max-width: 30ch; }
.metric__lead {
  display: block;
  color: var(--oxblood);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

/* ====================== EXPERTISE INDEX ====================== */
.expertise {
  position: relative;
  padding: var(--section-y) 0;
  background: var(--ink);
  color: var(--on-dark);
}
.expertise__head { max-width: 60ch; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.expertise__title {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 4.4vw, 3.8rem);
  line-height: 1.02;
  letter-spacing: -0.015em;
  margin: 0.5rem 0 1rem;
  color: var(--on-dark);
}
.expertise__intro { color: var(--on-dark-soft); max-width: 48ch; font-size: 1.02rem; }
.expertise .eyebrow { color: var(--sand); }
.expertise .eyebrow__no { color: var(--on-dark-soft); }

.expertise__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}

.exindex { border-top: 1px solid var(--line-dark-soft); }
.exrow { border-bottom: 1px solid var(--line-dark-soft); }
.exrow a {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 1.2rem;
  padding: clamp(0.95rem, 1.6vw, 1.4rem) 0.4rem;
  transition: padding 0.5s var(--ease), background 0.5s var(--ease);
}
.exrow__no {
  font-family: var(--serif);
  font-size: 0.86rem;
  color: var(--on-dark-faint);
  font-variant-numeric: tabular-nums;
  transition: color 0.4s var(--ease);
  min-width: 1.6em;
}
.exrow__name {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2vw, 1.7rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--on-dark-soft);
  transition: color 0.4s var(--ease), transform 0.5s var(--ease);
}
.exrow__hint {
  justify-self: end;
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--on-dark-faint);
  opacity: 0;
  transform: translateX(8px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}
.exrow__arrow {
  color: var(--sand);
  font-size: 1.1rem;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}
.exrow:hover a,
.exrow.is-active a { background: linear-gradient(90deg, rgba(111, 31, 42, 0.16), transparent 70%); padding-left: 1.1rem; }
.exrow:hover .exrow__name,
.exrow.is-active .exrow__name { color: var(--on-dark); }
.exrow:hover .exrow__no,
.exrow.is-active .exrow__no { color: var(--sand); }
.exrow:hover .exrow__arrow,
.exrow.is-active .exrow__arrow { opacity: 1; transform: none; }
.exrow:hover .exrow__hint { opacity: 0.8; transform: none; }

/* Expanel */
.expanel { position: sticky; top: calc(var(--header-h) + 2rem); }
.expanel__inner {
  border: 1px solid var(--line-dark);
  border-radius: 4px;
  padding: clamp(1.6rem, 2.6vw, 2.4rem);
  background:
    linear-gradient(160deg, rgba(36, 27, 24, 0.9), rgba(21, 16, 15, 0.9));
  box-shadow: 0 30px 60px -40px rgba(0, 0, 0, 0.9);
  min-height: 320px;
  display: flex;
  flex-direction: column;
}
.expanel__no {
  font-family: var(--serif);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  color: var(--sand);
  margin-bottom: 1.4rem;
  font-variant-numeric: tabular-nums;
}
.expanel__name {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 2.4vw, 2.1rem);
  line-height: 1.08;
  color: var(--on-dark);
  margin-bottom: 0.9rem;
}
.expanel__copy { color: var(--on-dark-soft); font-size: 0.98rem; line-height: 1.6; }
.expanel__tags {
  margin-top: 1.2rem;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sand);
}
.expanel__rule {
  display: block;
  height: 1px;
  background: var(--line-dark-soft);
  margin: auto 0 1.1rem;
}
.expanel__foot {
  font-size: 0.78rem;
  color: var(--on-dark-faint);
  letter-spacing: 0.02em;
}

/* ====================== METHOD SEQUENCE ====================== */
.method { padding: var(--section-y) 0; background: var(--paper); }
.method__head { max-width: 56ch; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.method__title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.04;
  letter-spacing: -0.015em;
  margin: 0.5rem 0 1rem;
}
.method__intro { color: var(--muted); max-width: 48ch; }

.sequence {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: clamp(1rem, 2vw, 2rem);
  padding-top: 2.6rem;
}
.sequence__track {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--line);
}
.sequence__progress {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--oxblood), var(--oxblood-bright));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s linear;
}
.step { position: relative; padding-top: 1.8rem; }
.step::before {
  content: "";
  position: absolute;
  top: -2.6rem;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--oxblood);
  transform: translateY(-50%);
  transition: background 0.4s var(--ease), transform 0.4s var(--ease);
}
.step.is-active::before { background: var(--oxblood); transform: translateY(-50%) scale(1.25); }
.step__no {
  font-family: var(--serif);
  font-size: 0.82rem;
  color: var(--bronze);
  font-variant-numeric: tabular-nums;
}
.step h3 {
  font-family: var(--serif);
  font-size: clamp(1.1rem, 1.7vw, 1.5rem);
  line-height: 1.12;
  margin: 0.5rem 0 0.7rem;
  color: var(--ink);
  transition: color 0.4s var(--ease);
}
.step.is-active h3 { color: var(--oxblood); }
.step p { font-size: 0.9rem; color: var(--muted); line-height: 1.55; }

/* ====================== NETWORK ====================== */
.network {
  padding: var(--section-y) 0;
  background:
    radial-gradient(120% 80% at 100% 0%, rgba(111, 31, 42, 0.06), transparent 55%),
    var(--paper-2);
}
.network__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.network__title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.04;
  letter-spacing: -0.015em;
  margin: 0.5rem 0 1.4rem;
}
.network__title em { color: var(--oxblood); font-style: italic; }
.network__copy p { color: var(--muted); max-width: 46ch; margin-bottom: 1.1rem; }
.network__note { color: var(--ink); }
.network__copy .textlink { margin-top: 0.8rem; }

.constellation {
  position: relative;
  margin: 0;
}
.constellation svg { width: 100%; height: auto; overflow: visible; }
.constellation__lines line {
  stroke: var(--oxblood);
  stroke-width: 0.75;
  opacity: 0.28;
  stroke-dasharray: 2 4;
}
.constellation__nodes circle { fill: var(--bronze); }
.constellation__nodes text {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  fill: var(--muted);
  text-anchor: middle;
}
.constellation__origin circle { fill: var(--oxblood); }
.constellation__origin .cpulse {
  fill: var(--oxblood);
  opacity: 0.2;
  transform-origin: 232px 250px;
  animation: pulse 3s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.22; }
  50% { transform: scale(1.9); opacity: 0.05; }
}
.constellation__origin text {
  font-family: var(--serif);
  font-size: 14px;
  letter-spacing: 0.02em;
  fill: var(--ink);
  text-anchor: middle;
  text-transform: none;
}
.constellation__origin .constellation__sub {
  font-family: var(--sans);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  fill: var(--oxblood);
}
.constellation figcaption {
  margin-top: 1rem;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted-soft);
  text-align: center;
}

/* ====================== TRUST PRINCIPLES ====================== */
.trust { padding: var(--section-y) 0; background: var(--paper); }
.trust__head { max-width: 50ch; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.trust__title {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 3.6vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.012em;
  margin-top: 0.5rem;
}
.principles {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--line);
}
.principle {
  padding: clamp(1.6rem, 2.4vw, 2.2rem) clamp(1rem, 1.6vw, 1.5rem) 0 0;
  border-right: 1px solid var(--line-soft);
}
.principle:last-child { border-right: 0; }
.principle__no {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--oxblood);
  text-transform: lowercase;
}
.principle h3 {
  font-family: var(--serif);
  font-size: clamp(1.1rem, 1.6vw, 1.4rem);
  line-height: 1.15;
  margin: 1rem 0 0.7rem;
  color: var(--ink);
}
.principle p { font-size: 0.88rem; color: var(--muted); line-height: 1.55; }

/* ====================== CONTACT FINALE ====================== */
.finale {
  position: relative;
  padding: clamp(5rem, 11vw, 10rem) 0;
  background: var(--ink);
  color: var(--on-dark);
  overflow: hidden;
}
.finale__atmosphere { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.finale__atmosphere > span { position: absolute; inset: 0; }
.finale__light {
  background:
    radial-gradient(80% 90% at 12% 0%, rgba(111, 31, 42, 0.34), transparent 55%),
    radial-gradient(60% 80% at 100% 100%, rgba(198, 163, 124, 0.10), transparent 55%);
}
.finale__grain {
  background-image:
    radial-gradient(rgba(241, 231, 215, 0.5) 0.5px, transparent 0.6px);
  background-size: 3px 3px;
  opacity: 0.04;
}
.finale__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
}
.finale__title {
  font-family: var(--serif);
  font-size: clamp(2.3rem, 5vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -0.018em;
  margin: 0.5rem 0 2.2rem;
  color: var(--on-dark);
  max-width: 18ch;
}
.finale__title em { color: var(--sand); font-style: italic; }
.finale__actions { display: flex; flex-wrap: wrap; gap: 0.9rem; }

.finale__card {
  position: relative;
  font-style: normal;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: clamp(1.8rem, 2.6vw, 2.4rem);
  border: 1px solid var(--line-dark);
  border-radius: 4px;
  background: rgba(36, 27, 24, 0.4);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.finale__card-mono {
  position: absolute;
  top: clamp(1.4rem, 2vw, 1.8rem);
  right: clamp(1.4rem, 2vw, 1.8rem);
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.4rem;
  color: var(--sand);
  opacity: 0.7;
}
.finale__card-name {
  font-family: var(--serif);
  font-size: 1.3rem;
  color: var(--on-dark);
  margin-bottom: 0.5rem;
}
.finale__card-line { font-size: 0.92rem; color: var(--on-dark-soft); }
.finale__card-sep { height: 1px; background: var(--line-dark-soft); margin: 1rem 0; }
.finale__card-link {
  font-size: 0.98rem;
  color: var(--on-dark);
  width: max-content;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease);
}
.finale__card-link:hover { color: var(--sand); border-bottom-color: var(--sand); }

/* ====================== FOOTER ====================== */
.colophon {
  background: var(--ink-2);
  color: var(--on-dark-soft);
  padding: clamp(2.5rem, 5vw, 4rem) 0;
  border-top: 1px solid var(--line-dark-soft);
}
.colophon__grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem 2.5rem;
  align-items: center;
}
.colophon__brand { display: flex; align-items: center; gap: 0.9rem; }
.colophon__brand p { font-family: var(--serif); font-size: 1.05rem; color: var(--on-dark); font-style: italic; }
.colophon__nav { display: flex; flex-wrap: wrap; gap: 1.2rem 1.6rem; }
.colophon__nav a {
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--on-dark-soft);
  transition: color 0.3s var(--ease);
}
.colophon__nav a:hover { color: var(--sand); }
.colophon__legal {
  grid-column: 1 / -1;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-dark-soft);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--on-dark-faint);
}

/* ====================== RESPONSIVE ====================== */
@media (max-width: 1080px) {
  .hero__inner { grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); }
  .hero__stage { min-height: 360px; }
  .editorial__grid { grid-template-columns: 1fr; gap: 2.2rem; }
  .network__grid { grid-template-columns: 1fr; }
  .constellation { max-width: 480px; margin-inline: auto; }
  .finale__grid { grid-template-columns: 1fr; }
}

@media (max-width: 880px) {
  :root { --header-h: 72px; }

  .masthead__nav {
    position: fixed;
    inset: var(--header-h) 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem clamp(1.5rem, 6vw, 3rem) 2rem;
    background: color-mix(in srgb, var(--paper) 96%, transparent);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line);
    transform: translateY(-130%);
    transition: transform 0.5s var(--ease);
    box-shadow: 0 30px 50px -30px rgba(42, 14, 18, 0.4);
  }
  .menu-open .masthead__nav { transform: translateY(0); }
  .masthead__nav > a:not(.masthead__cta) {
    color: var(--ink);
    padding: 1rem 0;
    border-bottom: 1px solid var(--line-soft);
    font-size: 1.05rem;
  }
  .masthead__nav > a:not(.masthead__cta)::after { display: none; }
  .masthead__cta { margin-top: 1.2rem; justify-content: center; padding: 0.9rem; }
  .masthead__toggle { display: block; }
  .masthead.is-scrolled { background: color-mix(in srgb, var(--paper) 92%, transparent); }

  /* Open menu: header bar matches the paper panel for consistent contrast */
  .menu-open .masthead {
    background: color-mix(in srgb, var(--paper) 96%, transparent);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border-bottom-color: transparent;
  }
  .menu-open .wordmark { color: var(--ink); }
  .menu-open .wordmark__name span { color: var(--oxblood); }
  .menu-open .wordmark__mark { color: var(--ivory); }

  /* Hero stacks */
  .hero { min-height: auto; padding-bottom: clamp(3rem, 8vh, 5rem); }
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding-top: 1rem;
  }
  .hero__stage {
    order: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2.2rem;
    min-height: 0;
  }
  .dossier { width: min(280px, 72%); }
  .hero__contact {
    position: static;
    inset: auto;
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
  }
  .hero__meta { flex-wrap: wrap; gap: 0.6rem 1.5rem; justify-content: flex-start; }
  .hero__meta .hero__scroll { display: none; }

  .metrics { grid-template-columns: 1fr; gap: 2rem; }
  .metric { flex-direction: row; align-items: baseline; gap: 1.4rem; border-top: 1px solid var(--line-soft); padding-top: 1.5rem; }
  .metric:first-child { border-top: 0; padding-top: 0; }
  .metric dt { flex: 0 0 auto; min-width: 3.5ch; }

  .expertise__layout { grid-template-columns: 1fr; }
  .expanel { display: none; }
  .exrow__hint { display: none; }
  .exrow a { grid-template-columns: auto 1fr auto; }

  .sequence { grid-template-columns: 1fr; gap: 0; padding-top: 0; padding-left: 1.4rem; }
  .sequence__track { top: 0; bottom: 0; left: 0; width: 1px; height: auto; right: auto; }
  .sequence__progress { background: linear-gradient(180deg, var(--oxblood), var(--oxblood-bright)); }
  .step { padding: 1.6rem 0 1.6rem 1.2rem; }
  .step::before { top: 1.9rem; left: -1.4rem; }
  .step:first-child { padding-top: 0.3rem; }
  .step:first-child::before { top: 0.6rem; }

  .principles { grid-template-columns: 1fr 1fr; }
  .principle { border-right: 0; border-bottom: 1px solid var(--line-soft); padding: 1.6rem 1.2rem 1.6rem 0; }

  .colophon__grid { grid-template-columns: 1fr; }
}

@media (max-width: 540px) {
  .hero__title { font-size: clamp(2.5rem, 13vw, 3.6rem); }
  .hero__actions .btn { flex: 1 1 100%; justify-content: center; }
  .principles { grid-template-columns: 1fr; }
  .principle { padding-right: 0; }
  .finale__actions .btn { flex: 1 1 100%; justify-content: center; }
  .hero__meta { font-size: 0.62rem; }
}

/* ====================== REDUCED MOTION ====================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .hero__title .line > span { transform: none; }
  .hero__kicker, .hero__copy, .hero__actions,
  .hero__contact, .hero__meta, .hero__stage { opacity: 1; }
  .hero__scroll-line::after { display: none; }
  .constellation__origin .cpulse { animation: none; }
}