/* =====================================================================
   DARST CONSULTANCY — "THE MERIDIAN"
   Vanilla CSS. Mobile-first. transform/opacity/filter/clip-path/dashoffset only.
   ===================================================================== */

/* ---------- Tokens ---------- */
:root {
  /* Surfaces — warm near-black, leather/graphite */
  --base:       #0a0b0d;
  --base-rise:  #101317;
  --panel:      #14181d;
  --panel-edge: #1c2127;
  --seam:       #262b31;
  --stone:      #ece9e2;
  --stone-2:    #e0dcd0;

  /* Ink (on stone) */
  --ink:        #15171a;
  --ink-soft:   #4c4f55;

  /* Paper (on dark) */
  --paper:      #edeae3;
  --haze:       #aab0b8;
  --muted:      #6b727b;

  /* Brass + the single saturated note */
  --brass:      #c2974e;
  --brass-lit:  #e3c684;
  --brass-deep: #8c6a2f;
  --oxblood:    #6e2a24;

  /* Type */
  --f-display: "Archivo", "Arial Narrow", system-ui, sans-serif;
  --f-serif:   "Cormorant Garamond", Georgia, serif;
  --f-mono:    "Space Mono", ui-monospace, "Courier New", monospace;
  --f-body:    "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  /* Layout / rail */
  --cw: 1320px;
  --gutter: clamp(1.25rem, 5vw, 3rem);
  --edge: max(var(--gutter), calc((100vw - var(--cw)) / 2));
  --rail-x: calc(var(--edge) + 0.85rem);
  --content-pad-l: calc(var(--gutter) + 2.4rem);

  /* Motion */
  --ease-meridian: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-snap:     cubic-bezier(0.22, 0.61, 0.36, 1);
  --p: 0;       /* signature pin progress 0..1 (set by JS) */
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--f-body);
  font-weight: 300;
  line-height: 1.7;
  color: var(--paper);
  background: var(--base);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
:focus-visible { outline: 2px solid var(--brass-lit); outline-offset: 3px; }

.container { width: 100%; max-width: var(--cw); margin-inline: auto; padding-left: var(--content-pad-l); padding-right: var(--gutter); position: relative; }

.mono { font-family: var(--f-mono); }
.display { font-family: var(--f-display); }
.serif { font-family: var(--f-serif); }
.ink { color: var(--ink); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

.skip-link {
  position: fixed; left: 1rem; top: -120px; z-index: 300;
  background: var(--brass); color: #0a0b0d; padding: 0.6rem 1.2rem; font-weight: 600;
  font-family: var(--f-mono); transition: top 0.25s var(--ease-snap);
}
.skip-link:focus { top: 1rem; }

/* ---------- Overlays ---------- */
.grain {
  position: fixed; inset: 0; z-index: 200; pointer-events: none; opacity: 0.5;
  mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
}
.draft-grid {
  position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: 0.4;
  background-image: repeating-linear-gradient(90deg, transparent, transparent calc(var(--cw)/12 - 1px), rgba(255,255,255,0.018) calc(var(--cw)/12));
  background-position: center;
  -webkit-mask-image: radial-gradient(120% 60% at 50% 40%, transparent 30%, #000 100%);
          mask-image: radial-gradient(120% 60% at 50% 40%, transparent 30%, #000 100%);
}

/* ---------- Depth gauge ---------- */
.gauge {
  position: fixed; top: 0; left: 0; right: 0; z-index: 150; pointer-events: none;
  display: flex; align-items: center; gap: 0.6rem; padding: 0.4rem var(--gutter) 0;
}
.gauge__label { font-size: 0.56rem; letter-spacing: 0.28em; color: var(--muted); white-space: nowrap; opacity: 0; transition: opacity 0.4s var(--ease-snap); }
.gauge.is-on .gauge__label { opacity: 1; }
.gauge__track { flex: 1; height: 1px; background: var(--seam); position: relative; overflow: hidden; }
.gauge__fill { display: block; height: 100%; width: 0%; background: linear-gradient(90deg, var(--brass-deep), var(--brass-lit)); }

/* =====================================================================
   TYPE PRIMITIVES
   ===================================================================== */
.eyebrow {
  font-family: var(--f-mono); font-size: 0.66rem; font-weight: 400;
  letter-spacing: 0.34em; text-transform: uppercase; color: var(--brass); margin: 0 0 1.4rem;
}
.eyebrow--ink { color: var(--brass-deep); }

.display {
  font-family: var(--f-display); font-weight: 800; letter-spacing: -0.02em;
  text-transform: uppercase; line-height: 0.98; color: var(--paper); margin: 0;
}
h2.display, .approach__intro .display, .contact__intro .display {
  font-size: clamp(2.2rem, 1.2rem + 5vw, 4.6rem);
}

.serif { font-family: var(--f-serif); }

/* Hairline rule that draws */
.rule {
  display: block; width: 120px; height: 2px; margin: 1.8rem 0;
  background: linear-gradient(90deg, var(--brass), transparent);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.7s var(--ease-meridian);
}
.rule.is-in { transform: scaleX(1); }

.link-underline {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--f-mono); font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase;
  position: relative; padding-bottom: 6px;
}
.link-underline::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 100%;
  background: var(--brass); transform: scaleX(0.25); transform-origin: left; transition: transform 0.45s var(--ease-meridian);
}
.link-underline:hover::after { transform: scaleX(1); }
.link-underline svg { width: 16px; height: 16px; transition: transform 0.4s var(--ease-meridian); }
.link-underline:hover svg { transform: translateX(6px); }
.link-brass { color: var(--brass-lit); text-decoration: underline; text-underline-offset: 3px; }

/* =====================================================================
   BUTTONS
   ===================================================================== */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 0.7rem;
  padding: 1rem 1.8rem; font-family: var(--f-mono); font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase; overflow: hidden;
  transition: transform 0.32s var(--ease-snap), box-shadow 0.32s var(--ease-snap), color 0.32s var(--ease-snap);
}
.btn__arrow { width: 17px; height: 17px; flex: none; transition: transform 0.36s var(--ease-meridian); }
.btn:hover .btn__arrow { transform: translateX(6px); }

.btn--brass {
  color: #0a0b0d;
  background: linear-gradient(100deg, var(--brass-lit), var(--brass) 52%, var(--brass-deep));
  box-shadow: 0 1px 0 rgba(255,255,255,0.25) inset, 0 -2px 0 rgba(0,0,0,0.25) inset, 0 14px 34px -16px rgba(194,151,78,0.55);
}
.btn--brass::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(115deg, transparent 35%, rgba(255,255,255,0.5) 50%, transparent 65%);
  transform: translateX(-130%); transition: transform 0.7s var(--ease-meridian);
}
.btn--brass:hover::before { transform: translateX(130%); }
.btn--brass:active {
  box-shadow: 0 2px 4px rgba(0,0,0,0.4) inset, 0 -1px 0 rgba(255,255,255,0.12) inset;
  transform: translateY(1px);
}
.btn--line {
  color: var(--paper); border: 1px solid var(--seam); background: rgba(255,255,255,0.015);
}
.btn--line:hover { border-color: var(--brass); color: var(--brass-lit); }
.btn--block { width: 100%; }

/* =====================================================================
   THE MERIDIAN — per-section rail aligned to one shared x
   ===================================================================== */
.rail {
  position: absolute; top: 0; bottom: 0; left: var(--rail-x); width: 2px; z-index: 4;
  background: var(--brass); pointer-events: none;
  transform: scaleY(0); transform-origin: top;
  transition: transform 1s var(--ease-meridian);
  box-shadow: 0 0 14px -2px rgba(226,198,132,0.4);
}
.rail.is-in { transform: scaleY(1); }
.section--light .rail { background: var(--brass-deep); box-shadow: none; }

.rail--seed { top: auto; bottom: 0; height: 42%; transform-origin: bottom; }
.rail--seed::after {
  content: ""; position: absolute; top: -4px; left: -3px; width: 8px; height: 8px;
  background: var(--brass-lit); transform: rotate(45deg); box-shadow: 0 0 12px var(--brass);
}
.rail--terminal { bottom: auto; height: 100%; }
.rail__node {
  position: absolute; left: calc(var(--rail-x) - 3.5px); bottom: 0; width: 9px; height: 9px;
  background: var(--brass-lit); transform: rotate(45deg);
  box-shadow: 0 0 0 3px rgba(194,151,78,0.22), 0 0 16px var(--brass);
}
/* underline rail under "Discretion." */
.rail--underline {
  position: absolute; left: 0; right: 0; top: 100%; bottom: auto; width: 100%; height: 2px;
  transform: scaleX(0); transform-origin: left; transition: transform 0.8s var(--ease-meridian) 0.2s;
}
.rail--underline.is-in { transform: scaleX(1); }

/* =====================================================================
   PHOTO GRADE (imageGradeLUT) — unifies all photos into one "shoot"
   ===================================================================== */
.ph { position: relative; overflow: hidden; }
.ph img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  filter: grayscale(0.2) saturate(0.5) contrast(1.05) brightness(0.74);
  transform: scale(1.04);
  transition: filter 0.9s var(--ease-meridian), transform 1.1s var(--ease-meridian);
}
.ph.is-graded img { filter: grayscale(0.18) saturate(0.85) contrast(1.06) brightness(0.92); transform: scale(1); }
/* shadow-crush (multiply) + brass highlight (screen) */
.ph__grade { position: absolute; inset: 0; pointer-events: none; }
.ph__grade::before {
  content: ""; position: absolute; inset: 0; mix-blend-mode: multiply;
  background: linear-gradient(180deg, rgba(10,11,13,0.15), rgba(10,11,13,0.7));
}
.ph__grade::after {
  content: ""; position: absolute; inset: 0; mix-blend-mode: screen; opacity: 0.12;
  background: radial-gradient(120% 80% at 70% 20%, rgba(226,198,132,0.9), transparent 60%);
}
.ph--light img { filter: grayscale(0.15) saturate(0.6) contrast(1.02) brightness(0.92); }
.ph--light.is-graded img { filter: grayscale(0.1) saturate(0.95) contrast(1.04) brightness(1.04); }
.ph--light .ph__grade::before { background: linear-gradient(180deg, rgba(20,24,29,0.04), rgba(20,24,29,0.22)); }

/* 1px brass keyline + corner ticks */
.ph__key { position: absolute; inset: 0; pointer-events: none; box-shadow: inset 0 0 0 1px rgba(194,151,78,0.45); }
.ph__key::before, .ph__key::after {
  content: ""; position: absolute; width: 14px; height: 14px; border: 1px solid var(--brass);
}
.ph__key::before { top: 8px; left: 8px; border-right: 0; border-bottom: 0; }
.ph__key::after  { bottom: 8px; right: 8px; border-left: 0; border-top: 0; }

/* aperture open (clip center-out) */
[data-aperture] { clip-path: inset(0 0 100% 0); }
[data-aperture].is-open { clip-path: inset(0 0 0 0); transition: clip-path 0.9s var(--ease-meridian); }

/* =====================================================================
   MASTHEAD
   ===================================================================== */
.masthead {
  position: fixed; inset: 0 0 auto 0; z-index: 100; padding-block: 1.1rem;
  transition: background 0.4s var(--ease-snap), backdrop-filter 0.4s var(--ease-snap), padding 0.4s var(--ease-snap);
}
.masthead.is-scrolled { background: rgba(10,11,13,0.78); backdrop-filter: blur(14px); padding-block: 0.65rem; }
.masthead__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-left: var(--gutter); }
.masthead__seam {
  position: absolute; left: var(--gutter); right: var(--gutter); bottom: 0; height: 1px; background: var(--brass);
  transform: scaleX(0); transform-origin: left; transition: transform 0.6s var(--ease-meridian); opacity: 0.5;
}
.masthead.is-scrolled .masthead__seam { transform: scaleX(1); }

.wordmark { display: inline-flex; align-items: center; gap: 0.7rem; }
.wordmark__type { display: flex; flex-direction: column; line-height: 1; }
.wordmark__name { font-family: var(--f-display); font-weight: 900; font-size: 1.32rem; letter-spacing: 0.16em; color: var(--paper); }
.wordmark__sub { font-family: var(--f-mono); font-size: 0.5rem; letter-spacing: 0.42em; color: var(--brass); margin-top: 5px; padding-left: 2px; }

.nav { display: none; }
.nav__list { display: flex; align-items: center; gap: clamp(1rem, 2.2vw, 2.2rem); }
.nav__link {
  position: relative; font-family: var(--f-mono); font-size: 0.7rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--haze); padding: 0.5rem 0; transition: color 0.3s var(--ease-snap);
}
.nav__link::before {
  content: "S-" attr(data-index); position: absolute; left: 50%; top: -0.7rem; transform: translateX(-50%);
  font-size: 0.5rem; letter-spacing: 0.1em; color: var(--brass); opacity: 0; transition: opacity 0.3s var(--ease-snap);
}
.nav__link::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 100%; background: var(--brass);
  transform: scaleX(0); transform-origin: left; transition: transform 0.35s var(--ease-meridian);
}
.nav__link:hover, .nav__link.is-active { color: var(--paper); }
.nav__link.is-active::before { opacity: 1; }
.nav__link:hover::after, .nav__link.is-active::after { transform: scaleX(1); }
.nav__link--cta { color: var(--brass-lit); }

.nav-toggle { display: flex; flex-direction: column; justify-content: center; gap: 6px; width: 44px; height: 44px; padding: 11px; z-index: 110; }
.nav-toggle span { display: block; height: 1.5px; width: 100%; background: var(--paper); transition: transform 0.35s var(--ease-snap), opacity 0.25s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(3.75px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(-3.75px) rotate(-45deg); }

.mobile-nav {
  position: fixed; inset: 0; z-index: 105; background: linear-gradient(160deg, var(--base-rise), var(--base));
  display: flex; flex-direction: column; justify-content: center; gap: 2rem; padding: 0 var(--content-pad-l);
  opacity: 0; visibility: hidden; transform: translateY(-10px);
  transition: opacity 0.4s var(--ease-snap), transform 0.4s var(--ease-snap), visibility 0.4s;
}
.mobile-nav.is-open { opacity: 1; visibility: visible; transform: none; }
.mobile-nav__link {
  font-family: var(--f-display); font-weight: 800; text-transform: uppercase; font-size: 2rem; color: var(--paper);
  display: flex; align-items: baseline; gap: 1rem; padding: 0.4rem 0; border-bottom: 1px solid var(--seam);
  opacity: 0; transform: translateX(-16px); transition: opacity 0.5s var(--ease-meridian), transform 0.5s var(--ease-meridian), color 0.3s;
}
.mobile-nav__link .mono { font-size: 0.7rem; color: var(--brass); }
.mobile-nav.is-open .mobile-nav__link { opacity: 1; transform: none; }
.mobile-nav.is-open .mobile-nav__link:nth-child(1) { transition-delay: 0.06s; }
.mobile-nav.is-open .mobile-nav__link:nth-child(2) { transition-delay: 0.12s; }
.mobile-nav.is-open .mobile-nav__link:nth-child(3) { transition-delay: 0.18s; }
.mobile-nav.is-open .mobile-nav__link:nth-child(4) { transition-delay: 0.24s; }
.mobile-nav.is-open .mobile-nav__link:nth-child(5) { transition-delay: 0.30s; }
.mobile-nav__cta { margin-top: 1rem; }
body.no-scroll { overflow: hidden; }

/* =====================================================================
   SECTION SHELL
   ===================================================================== */
.section { position: relative; }
.section--light { background: var(--stone); color: var(--ink); }

/* =====================================================================
   S-01 HERO
   ===================================================================== */
.hero {
  min-height: 100svh; display: flex; align-items: center;
  padding: 8rem 0 6rem; overflow: hidden;
}
.hero__media { position: absolute; inset: 0; z-index: 0; }
.ph--bleed { overflow: hidden; }
.hero__img {
  width: 108%; height: 116%; position: absolute; top: -8%; left: -4%;
  /* parallax (--py from JS) composed with the grade scale; !important to beat .ph img / .ph.is-graded img.
     Only filter transitions, so per-frame --py writes never retarget a transform transition (no lag). */
  transform: translateY(var(--py, 0)) scale(1.04) !important;
  transition: filter 0.9s var(--ease-meridian) !important;
}
.ph.is-graded .hero__img { transform: translateY(var(--py, 0)) scale(1) !important; }
.hero.is-built .hero__media { clip-path: inset(0 0 0 0); }
.hero__media { clip-path: inset(0 0 100% 0); transition: clip-path 1s var(--ease-meridian); }
.hero__scrim {
  position: absolute; inset: 0; z-index: 2;
  background:
    linear-gradient(90deg, rgba(10,11,13,0.95) 0%, rgba(10,11,13,0.6) 36%, rgba(10,11,13,0.12) 64%, rgba(10,11,13,0.45) 100%),
    linear-gradient(0deg, rgba(10,11,13,0.9) 1%, transparent 34%);
}
.hero__inner { position: relative; z-index: 5; max-width: 880px; }
.hero__title { margin: 0; }
.hero__title .slab { display: block; font-size: clamp(2.7rem, 1.4rem + 7.2vw, 6.4rem); }
.slab--brass { color: var(--brass-lit); }
.hero__lead { margin: 1.8rem 0 2.6rem; max-width: 40ch; font-size: clamp(1rem, 0.95rem + 0.4vw, 1.18rem); color: var(--haze); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; }
.hero__coord { position: absolute; top: 6.5rem; left: var(--content-pad-l); z-index: 5; font-size: 0.58rem; letter-spacing: 0.3em; color: var(--muted); }
.hero__scroll {
  position: absolute; bottom: 1.6rem; left: 50%; transform: translateX(-50%); z-index: 5;
  display: flex; flex-direction: column; align-items: center; gap: 0.6rem; font-size: 0.56rem; letter-spacing: 0.3em; color: var(--muted);
}
.hero__scroll-line { width: 1px; height: 40px; background: linear-gradient(var(--brass), transparent); overflow: hidden; }
.hero__scroll-line::after { content: ""; display: block; width: 100%; height: 12px; background: var(--brass-lit); animation: scrollDrop 2s var(--ease-meridian) infinite; }

/* =====================================================================
   S-02 INDEX STRIP (breather)
   ===================================================================== */
.index-strip { background: var(--base); padding-block: clamp(2.4rem, 5vh, 3.4rem); border-top: 1px solid var(--seam); border-bottom: 1px solid var(--seam); }
.index-strip__grid { display: grid; gap: 0; grid-template-columns: 1fr; }
.index-cell { padding: 1rem 0; border-top: 1px solid var(--seam); display: flex; align-items: center; gap: 0.8rem; }
.index-cell:first-child { border-top: 0; }
.index-cell .mono { font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--haze); }
.index-cell__tick { width: 7px; height: 7px; background: var(--brass); transform: rotate(45deg); flex: none; }

/* =====================================================================
   S-03 WHAT WE DO — statement header + full-bleed capability cards
   ===================================================================== */
.mandate { background: var(--base-rise); }
.mandate__head { padding-top: clamp(4rem, 9vh, 7rem); padding-bottom: clamp(2.4rem, 5vh, 3.6rem); max-width: 1000px; }
.mandate__title { font-size: clamp(2.4rem, 1.4rem + 5.4vw, 5.4rem); line-height: 0.98; margin: 0; }
.mandate__title .slab { display: block; }
.mandate__lead { color: var(--haze); font-size: clamp(1.05rem, 0.98rem + 0.55vw, 1.35rem); line-height: 1.6; max-width: 56ch; margin: 1.8rem 0 0; }

.mandate__wall { display: grid; grid-template-columns: 1fr; border-top: 1px solid var(--seam); }
.mcard {
  position: relative; display: grid; grid-template: 1fr / 1fr; overflow: hidden; min-height: 58svh;
  border-top: 1px solid var(--seam); transition: opacity 0.45s var(--ease-snap);
}
.mcard:first-child { border-top: 0; }
/* media, overlay and body share one grid cell — robust full-bleed stack, no absolute positioning */
.mcard__media { grid-area: 1 / 1; width: 100%; height: 100%; min-width: 0; }
.mcard__media img { display: block; width: 100%; height: 100%; object-fit: cover; }
.mcard__overlay {
  grid-area: 1 / 1; z-index: 1; pointer-events: none;
  background: linear-gradient(to top, rgba(10,11,13,0.95) 6%, rgba(10,11,13,0.55) 44%, rgba(10,11,13,0.18) 100%);
}
.mcard__body {
  grid-area: 1 / 1; align-self: end; z-index: 2;
  padding: clamp(1.6rem, 3.4vw, 2.4rem); padding-left: var(--content-pad-l);
}
.mcard__index { display: block; font-size: 0.92rem; letter-spacing: 0.18em; color: var(--brass); margin-bottom: 0.5rem; }
.mcard__title { font-family: var(--f-display); font-weight: 800; text-transform: uppercase; font-size: clamp(1.8rem, 1.3rem + 2vw, 2.7rem); line-height: 0.96; letter-spacing: -0.02em; margin: 0 0 0.8rem; color: var(--paper); }
.mcard__copy { color: var(--haze); font-size: 0.98rem; line-height: 1.55; max-width: 36ch; margin: 0; }

@media (hover: hover) and (pointer: fine) {
  .mandate__wall:hover .mcard { opacity: 0.72; }
  .mandate__wall .mcard:hover, .mandate__wall .mcard:focus-within { opacity: 1; }
  .mcard__media img { transition: transform 0.9s var(--ease-meridian), filter 0.6s var(--ease-snap); }
  .mcard:hover .mcard__media img, .mcard:focus-within .mcard__media img { transform: scale(1.06); }
}

/* =====================================================================
   S-04 HOW WE WORK — light slab
   ===================================================================== */
.approach { padding-block: clamp(5rem, 10vh, 9rem); overflow: hidden; }
.approach__contour { position: absolute; top: 8%; left: 2%; width: min(46vw, 560px); opacity: 0.06; pointer-events: none; mix-blend-mode: multiply; }
.approach__grid { display: grid; gap: 3rem; }
.approach__intro .eyebrow { color: var(--ink-soft); }
.approach__intro .display { color: var(--ink); }
.approach__lead { color: var(--ink-soft); font-size: 1.3rem; line-height: 1.5; margin: 1.6rem 0 1.8rem; max-width: 40ch; }
.approach .link-underline { color: var(--ink); }
.approach .link-underline::after { background: var(--brass-deep); }

.ledger { display: grid; gap: 1.4rem; }
.plate { display: grid; gap: 1rem; }
.plate__media { aspect-ratio: 7 / 5; }
.plate--lg .plate__media { aspect-ratio: 8 / 5; }
.plate__index { font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-soft); display: block; margin-bottom: 0.4rem; }
.plate__copy { color: var(--ink-soft); font-size: 1rem; margin: 0; max-width: 46ch; }
.plate--lg .plate__copy { font-size: 1.08rem; }

/* =====================================================================
   S-05 POSITIONING (breather + reading line)
   ===================================================================== */
.positioning { background: var(--base); min-height: 92svh; display: flex; align-items: center; padding-block: clamp(5rem, 12vh, 10rem); overflow: hidden; }
.positioning__inner { text-align: center; max-width: 1000px; padding-left: var(--gutter); padding-right: var(--gutter); margin-inline: auto; }
.positioning__kicker, .positioning__bearing { color: var(--muted); }
.manifesto {
  font-family: var(--f-serif); font-weight: 500; font-style: normal;
  font-size: clamp(1.7rem, 1.1rem + 3vw, 3.2rem); line-height: 1.28; letter-spacing: -0.01em;
  color: var(--paper); margin: 1.4rem auto 2.4rem; max-width: 22ch;
}
.manifesto__accent { color: var(--brass-lit); }
.credo {
  font-family: var(--f-serif); font-style: italic; font-weight: 500;
  font-size: clamp(1.2rem, 0.9rem + 1.6vw, 1.9rem); line-height: 1.4; max-width: 28ch;
  margin: 0 auto 2.4rem;
  /* reading line: warmed left of --reveal, haze to the right */
  background: linear-gradient(90deg, var(--brass-lit) 0%, var(--brass-lit) calc(var(--reveal, 0) * 100%), var(--haze) calc(var(--reveal, 0) * 100% + 6%));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.contour-rings { position: absolute; left: 50%; top: 50%; width: min(80vw, 620px); aspect-ratio: 1; transform: translate(-50%,-40%); opacity: 0.5; pointer-events: none; }
.contour-rings .ring { stroke-dasharray: 1; stroke-dashoffset: 1; }
.contour-rings.is-in .ring { animation: ringDraw 1.6s var(--ease-meridian) forwards; }
.contour-rings.is-in .ring:nth-child(2) { animation-delay: 0.12s; }
.contour-rings.is-in .ring:nth-child(3) { animation-delay: 0.24s; }
.contour-rings.is-in .ring:nth-child(4) { animation-delay: 0.36s; }

/* =====================================================================
   S-06 SIGNATURE PIN — the meridian drawn across terrain
   ===================================================================== */
.signature { position: relative; height: 220svh; background: var(--base); }
.signature__pin { position: sticky; top: 0; height: 100svh; overflow: hidden; }
.signature .ph--pin { position: absolute; inset: 0; }
.signature__img {
  width: 106%; height: 112%; position: absolute; top: -6%; left: -3%;
  /* !important so the scrub owns transform over the generic .ph img / .ph.is-graded img rules */
  transform: scale(calc(1 + var(--p) * 0.06)) translateY(calc((var(--p) - 0.5) * -3vh)) !important;
  transition: none !important;
}
.signature__vignette { position: absolute; inset: 0; background: radial-gradient(120% 90% at 50% 50%, transparent 40%, rgba(10,11,13,0.8) 100%); }
.route { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 3; }
.route__path { stroke-dasharray: 1; stroke-dashoffset: calc(1 - var(--p)); filter: drop-shadow(0 0 6px rgba(226,198,132,0.5)); }
.signature__overlay { position: absolute; inset: 0; z-index: 4; display: flex; flex-direction: column; justify-content: center; }
.signature__overlay .eyebrow { color: var(--brass); }
.waypoints { display: flex; flex-direction: column; gap: clamp(1.6rem, 5vh, 3.5rem); }
.waypoint { display: flex; flex-direction: column; gap: 0.3rem; opacity: 0; transform: translateY(14px); transition: opacity 0.6s var(--ease-meridian), transform 0.6s var(--ease-meridian); }
.waypoint.is-lit { opacity: 1; transform: none; }
.waypoint .mono { font-size: 0.62rem; letter-spacing: 0.26em; color: var(--brass); text-transform: uppercase; }
.waypoint__text.serif { font-family: var(--f-serif); font-style: italic; font-size: clamp(1.5rem, 1rem + 2.6vw, 2.8rem); color: var(--paper); line-height: 1.1; }
.waypoint--terminal { position: relative; }
.waypoint--terminal .waypoint__text { font-family: var(--f-display); font-weight: 900; font-style: normal; text-transform: uppercase; letter-spacing: 0.04em; color: var(--brass-lit); font-size: clamp(2rem, 1.2rem + 4vw, 4rem); }
.node { width: 14px; height: 14px; background: var(--brass-lit); transform: rotate(45deg); box-shadow: 0 0 0 4px rgba(194,151,78,0.2), 0 0 18px var(--brass); margin-bottom: 0.6rem; }
.waypoint--terminal.is-lit .node { animation: nodePulse 2.4s var(--ease-meridian) infinite; }

/* =====================================================================
   S-07 ABOUT
   ===================================================================== */
.about { background: linear-gradient(180deg, var(--base), var(--base-rise)); padding-block: clamp(5rem, 10vh, 9rem); overflow: hidden; }
.about__grid { display: grid; gap: 3rem; align-items: center; }
.about__portrait-wrap { position: relative; max-width: 380px; }
.about__contour { position: absolute; inset: -6% -10% auto auto; width: 120%; opacity: 0.07; pointer-events: none; }
.ph--portrait { aspect-ratio: 10 / 13; position: relative; z-index: 1; }
.ph__brackets i { position: absolute; width: 22px; height: 22px; border: 1.5px solid var(--brass); opacity: 0; transition: opacity 0.5s var(--ease-meridian); }
.ph__brackets i:nth-child(1) { top: 10px; left: 10px; border-right: 0; border-bottom: 0; }
.ph__brackets i:nth-child(2) { top: 10px; right: 10px; border-left: 0; border-bottom: 0; }
.ph__brackets i:nth-child(3) { bottom: 10px; left: 10px; border-right: 0; border-top: 0; }
.ph__brackets i:nth-child(4) { bottom: 10px; right: 10px; border-left: 0; border-top: 0; }
.ph__brackets.is-in i { opacity: 1; }
.ph__brackets.is-in i:nth-child(2) { transition-delay: 0.1s; }
.ph__brackets.is-in i:nth-child(3) { transition-delay: 0.2s; }
.ph__brackets.is-in i:nth-child(4) { transition-delay: 0.3s; }
.about__caption { position: absolute; top: 0; right: -1.6rem; writing-mode: vertical-rl; font-size: 0.56rem; letter-spacing: 0.24em; color: var(--muted); }

.about__head { margin: 0 0 1.6rem; }
.about__head .slab { display: block; font-size: clamp(2rem, 1.2rem + 4.5vw, 4rem); line-height: 1; padding-bottom: 0.4rem; border-bottom: 1px solid var(--seam); margin-bottom: 0.4rem; }
.about__head .slab:last-child { border-bottom: 0; }
.about__discretion { position: relative; }
.about__copy { color: var(--haze); font-family: var(--f-serif); font-size: 1.18rem; line-height: 1.6; margin: 0 0 1.2rem; }
.dropcap { float: left; font-family: var(--f-display); font-weight: 800; font-size: 3.4rem; line-height: 0.8; color: var(--brass); padding: 0.1em 0.18em 0 0; }
.about__sign { display: flex; flex-direction: column; gap: 0.2rem; margin-top: 1.8rem; }
.about__sign-name { font-family: var(--f-serif); font-style: italic; font-size: 1.8rem; color: var(--paper); }
.about__sign-cred { font-size: 0.6rem; letter-spacing: 0.24em; color: var(--brass); border-top: 1px solid var(--seam); padding-top: 0.5rem; width: max-content; }

/* =====================================================================
   S-08 CONTACT — the access point
   ===================================================================== */
.contact { background: var(--base); padding-block: clamp(5rem, 10vh, 9rem); overflow: hidden; }
.contact__bg { position: absolute; inset: 0; z-index: 0; opacity: 0.28; }
.contact__bg img { filter: grayscale(0.4) saturate(0.4) brightness(0.42); }
.contact__grid { position: relative; z-index: 2; display: grid; gap: 3rem; align-items: start; }
.contact__lead { color: var(--haze); margin: 1.6rem 0 2.4rem; max-width: 42ch; }

.trust-ledger { display: grid; gap: 0; }
.trust { display: flex; gap: 1rem; padding: 1.3rem 0; border-top: 1px solid var(--seam); }
.trust:last-child { border-bottom: 1px solid var(--seam); }
.trust__tick { width: 8px; height: 8px; background: var(--brass); transform: rotate(45deg); flex: none; margin-top: 0.5rem; }
.trust__title { font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--brass); margin: 0 0 0.3rem; }
.trust__copy { margin: 0; color: var(--haze); font-size: 0.95rem; }

/* milled-steel plate */
.contact__plate {
  position: relative; background: var(--panel); padding: clamp(1.8rem, 4vw, 2.8rem);
  box-shadow: 0 -1px 0 var(--panel-edge) inset, 0 30px 60px -30px rgba(0,0,0,0.9), 0 0 0 1px var(--seam);
}
.form { position: relative; }
.form__title { font-size: 0.72rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--brass); margin: 0 0 2rem; }

/* underline-only fields with floating labels */
.field { position: relative; margin-bottom: 1.8rem; }
.field input, .field textarea, .field select {
  width: 100%; font-family: var(--f-body); font-size: 1rem; color: var(--paper);
  background: transparent; border: 0; border-bottom: 1px solid var(--seam); padding: 0.7rem 0 0.6rem;
}
.field textarea { resize: vertical; min-height: 70px; }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; }
.field label {
  position: absolute; left: 0; top: 0.7rem; font-family: var(--f-body); font-size: 1rem; color: var(--haze);
  pointer-events: none; transition: transform 0.3s var(--ease-meridian), color 0.3s, font-size 0.3s, letter-spacing 0.3s;
  transform-origin: left;
}
.field input:focus + label, .field input:not(:placeholder-shown) + label,
.field textarea:focus + label, .field textarea:not(:placeholder-shown) + label,
.field select:focus + label, .field select:valid + label {
  transform: translateY(-1.5rem); font-size: 0.6rem; letter-spacing: 0.2em; text-transform: uppercase;
  font-family: var(--f-mono); color: var(--brass);
}
.field__rule { position: absolute; left: 0; bottom: 0; height: 1px; width: 100%; background: var(--brass); transform: scaleX(0); transform-origin: left; transition: transform 0.4s var(--ease-meridian); }
.field input:focus ~ .field__rule, .field textarea:focus ~ .field__rule, .field select:focus ~ .field__rule { transform: scaleX(1); }
.field--select select { appearance: none; -webkit-appearance: none; padding-right: 2rem; cursor: pointer; color: var(--paper); }
.field--select select:invalid { color: transparent; }
.field--select option { color: var(--ink); background: var(--stone); }
.field__chevron { position: absolute; right: 0; top: 0.8rem; width: 18px; height: 18px; color: var(--brass); pointer-events: none; }
.field.has-error input, .field.has-error textarea, .field.has-error select { border-bottom-color: var(--oxblood); }
.field__error { display: block; font-family: var(--f-mono); font-size: 0.62rem; letter-spacing: 0.06em; color: #c97a72; margin-top: 0.4rem; opacity: 0; transform: translateY(-3px); transition: opacity 0.25s, transform 0.25s; }
.field.has-error .field__error, .field__error.is-visible { opacity: 1; transform: none; }

.checkbox { display: flex; align-items: flex-start; gap: 0.7rem; cursor: pointer; margin: 0.2rem 0; }
.checkbox input { position: absolute; opacity: 0; width: 0; height: 0; }
.checkbox__box { flex: none; width: 18px; height: 18px; border: 1px solid var(--seam); margin-top: 2px; display: grid; place-items: center; transition: border-color 0.25s, background 0.25s; }
.checkbox__box::after { content: ""; width: 9px; height: 5px; border-left: 2px solid #0a0b0d; border-bottom: 2px solid #0a0b0d; transform: rotate(-45deg) scale(0); margin-top: -2px; transition: transform 0.2s var(--ease-snap); }
.checkbox input:checked + .checkbox__box { background: var(--brass); border-color: var(--brass); }
.checkbox input:checked + .checkbox__box::after { transform: rotate(-45deg) scale(1); }
.checkbox input:focus-visible + .checkbox__box { outline: 2px solid var(--brass-lit); outline-offset: 2px; }
.checkbox.has-error .checkbox__box { border-color: var(--oxblood); }
.checkbox__label { font-size: 0.88rem; color: var(--haze); line-height: 1.5; }

.form__submit { margin-top: 1.6rem; position: relative; }
.form__node { position: absolute; left: -1px; top: 50%; width: 8px; height: 8px; background: var(--brass-lit); transform: translateY(-50%) rotate(45deg); box-shadow: 0 0 0 3px rgba(110,42,36,0.6); }
.form__submit.is-loading { pointer-events: none; opacity: 0.85; }
.form__submit.is-loading .form__submit-label::after { content: ""; display: inline-block; width: 13px; height: 13px; margin-left: 8px; vertical-align: -2px; border: 2px solid rgba(10,11,13,0.4); border-top-color: #0a0b0d; border-radius: 50%; animation: spin 0.7s linear infinite; }
.form__secure { display: flex; align-items: center; gap: 0.6rem; margin: 1.2rem 0 0; font-size: 0.58rem; letter-spacing: 0.1em; color: var(--haze); text-transform: uppercase; }
.form__secure svg { width: 16px; height: 16px; color: var(--brass); flex: none; }

.form__success {
  position: absolute; inset: 0; background: var(--panel); display: flex; flex-direction: column; align-items: flex-start; justify-content: center;
  padding: clamp(1.8rem, 4vw, 2.8rem); gap: 0.8rem; opacity: 0; visibility: hidden; clip-path: inset(0 0 100% 0);
  /* visibility intentionally NOT transitioned — it flips immediately so the panel is focusable on reveal */
  transition: opacity 0.5s var(--ease-meridian), clip-path 0.7s var(--ease-meridian);
}
.form__success.is-visible { opacity: 1; visibility: visible; clip-path: inset(0 0 0 0); }
.form__success-seam { position: absolute; left: 0; top: 0; height: 2px; width: 100%; background: var(--brass); transform: scaleX(0); transform-origin: left; transition: transform 0.7s var(--ease-meridian) 0.15s; }
.form__success.is-visible .form__success-seam { transform: scaleX(1); }
.form__success h3 { font-family: var(--f-display); font-weight: 800; text-transform: uppercase; font-size: clamp(1.7rem, 1.2rem + 2vw, 2.6rem); margin: 0; color: var(--paper); }
.form__success p { color: var(--haze); margin: 0; max-width: 34ch; }

/* =====================================================================
   S-09 FOOTER
   ===================================================================== */
.site-footer { background: var(--base); padding-block: clamp(3.4rem, 7vh, 5.5rem) 0; border-top: 1px solid var(--seam); overflow: hidden; }
.footer-watermark { position: absolute; left: 0; right: 0; bottom: 3.5rem; text-align: center; font-family: var(--f-display); font-weight: 900; font-size: clamp(5rem, 22vw, 20rem); letter-spacing: 0.04em; color: var(--paper); opacity: 0.035; pointer-events: none; line-height: 1; }
.footer__inner { position: relative; z-index: 2; display: grid; gap: 2.6rem; padding-bottom: 3rem; }
.footer__title { font-size: clamp(2rem, 1.3rem + 3vw, 3.4rem); line-height: 1; margin: 0 0 1rem; }
.footer__lead { color: var(--haze); margin: 0 0 1.8rem; max-width: 38ch; }
.footer__social { display: flex; gap: 0.7rem; }
.social-tile { width: 46px; height: 46px; border: 1px solid var(--seam); display: grid; place-items: center; color: var(--haze); transition: color 0.3s var(--ease-snap), border-color 0.3s var(--ease-snap), transform 0.3s var(--ease-snap); }
.social-tile svg { width: 20px; height: 20px; }
.social-tile:hover { color: var(--brass-lit); border-color: var(--brass); transform: translateY(-3px); }

.footer-bar { position: relative; z-index: 2; border-top: 1px solid var(--seam); padding-block: 1.4rem; }
.footer-bar__inner { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-bar__mono { font-size: 0.56rem; letter-spacing: 0.2em; color: var(--haze); text-transform: uppercase; margin: 0; }
.footer-bar__copy { font-size: 0.62rem; letter-spacing: 0.06em; color: var(--haze); margin: 0; }
.footer-bar__copy a:hover { color: var(--brass-lit); }

/* =====================================================================
   REVEAL VERBS
   ===================================================================== */
[data-reveal] { opacity: 0; transition: opacity 0.8s var(--ease-meridian), transform 0.8s var(--ease-meridian), clip-path 0.8s var(--ease-meridian); }
.approach .display .slab, .contact .display .slab { display: block; }
[data-reveal="up"] { transform: translateY(34px); }
[data-reveal="slab"] { opacity: 1; clip-path: inset(0 100% 0 0); position: relative; }
[data-reveal="slab"]::after { content: ""; position: absolute; top: 0; bottom: 0; right: 100%; width: 2px; background: var(--brass-lit); opacity: 0; }
[data-reveal].is-in { opacity: 1; transform: none; clip-path: inset(0 0 0 0); }

[data-delay="1"] { transition-delay: 0.10s; }
[data-delay="2"] { transition-delay: 0.22s; }
[data-delay="3"] { transition-delay: 0.34s; }
[data-delay="4"] { transition-delay: 0.46s; }
[data-delay="5"] { transition-delay: 0.58s; }

/* =====================================================================
   KEYFRAMES
   ===================================================================== */
@keyframes scrollDrop { 0% { transform: translateY(-12px); opacity: 0; } 30% { opacity: 1; } 100% { transform: translateY(40px); opacity: 0; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes ringDraw { to { stroke-dashoffset: 0; } }
@keyframes nodePulse { 0% { box-shadow: 0 0 0 4px rgba(194,151,78,0.2), 0 0 18px var(--brass); } 50% { box-shadow: 0 0 0 9px rgba(194,151,78,0.04), 0 0 26px var(--brass-lit); } 100% { box-shadow: 0 0 0 4px rgba(194,151,78,0.2), 0 0 18px var(--brass); } }

/* =====================================================================
   RESPONSIVE — tablet
   ===================================================================== */
@media (min-width: 680px) {
  .index-strip__grid { grid-template-columns: repeat(4, 1fr); }
  .index-cell { border-top: 0; border-left: 1px solid var(--seam); padding: 0.4rem 1.2rem; min-height: 5rem; }
  .index-cell:first-child { border-left: 0; padding-left: 0; }
  .mandate__wall { grid-template-columns: repeat(3, 1fr); }
  .mcard { border-top: 0; border-left: 1px solid var(--seam); min-height: 78svh; }
  .mcard:first-child { border-left: 0; }
  .mcard__body { padding-left: clamp(1.4rem, 2.4vw, 2rem); }
  .mcard:first-child .mcard__body { padding-left: var(--content-pad-l); }
  .footer-bar__inner { flex-direction: row; justify-content: space-between; align-items: center; }
}

/* =====================================================================
   RESPONSIVE — desktop
   ===================================================================== */
@media (min-width: 980px) {
  .nav { display: block; }
  .nav-toggle, .mobile-nav { display: none; }

  .approach__grid { grid-template-columns: 5fr 7fr; gap: 4rem; align-items: start; }
  .approach__intro { position: sticky; top: 16vh; }
  .about__grid { grid-template-columns: 5fr 7fr; gap: 4.5rem; }
  .contact__grid { grid-template-columns: 5fr 7fr; gap: 4rem; }
  .contact__bg { width: 58%; }
  .footer__inner { grid-template-columns: 1.4fr 1fr; align-items: end; }
  .footer__social { justify-content: flex-end; }
}

@media (min-width: 1200px) {
  .approach__grid, .about__grid, .contact__grid { gap: 5.5rem; }
}

/* =====================================================================
   MOBILE rail + lane tightening
   ===================================================================== */
@media (max-width: 679px) {
  :root { --rail-x: 1.05rem; --content-pad-l: 1.9rem; }
  .hero__coord { left: 1.9rem; }
  .rail--seed { height: 34%; }
}

/* =====================================================================
   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; }
  [data-reveal], [data-aperture], .rail, .rule, .masthead__seam, .ph img { opacity: 1 !important; transform: none !important; clip-path: none !important; filter: grayscale(0.18) saturate(0.85) contrast(1.05) brightness(0.92) !important; }
  .hero__media { clip-path: none !important; }
  .credo { background: none; color: var(--brass-lit); -webkit-text-fill-color: var(--brass-lit); }
  .waypoint { opacity: 1 !important; transform: none !important; }
  .route__path { stroke-dashoffset: 0 !important; }
  .signature { height: auto; }
  .signature__pin { position: relative; height: 80svh; }
  .ph__brackets i { opacity: 1 !important; }
}