/* Elroi Aviation Consult — black, white, gold */

@font-face {
  font-family: "Archivo";
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  font-stretch: 62% 125%;
  src: url("/assets/fonts/archivo-latin-wdth-normal.woff2") format("woff2-variations"),
       url("/assets/fonts/archivo-latin-wdth-normal.woff2") format("woff2");
}

:root {
  --black: #000000;
  --white: #ffffff;
  --gold: #c6a052;
  --gold-bright: #e2c27a;
  --ink-soft: #5c5a55;
  --mist: #a7a49c;
  --line-dark: #262624;
  --line-light: #e4e1d9;

  --wrap: 1200px;
  --gutter: clamp(20px, 4vw, 48px);
  --section: clamp(88px, 11vw, 160px);

  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --ease-io: cubic-bezier(.65, 0, .35, 1);

  --f: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --step--1: 0.875rem;
  --step-0: 1.0625rem;
  --step-1: 1.25rem;
  --step-2: clamp(1.6rem, 1.2rem + 1.6vw, 2.4rem);
  --step-3: clamp(2.2rem, 1.4rem + 3.2vw, 4rem);
  --step-4: clamp(2.6rem, 1.2rem + 5.6vw, 6.4rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html:not(.lenis) { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html:not(.lenis) { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--white);
  color: var(--black);
  font-family: var(--f);
  font-size: var(--step-0);
  line-height: 1.6;
  font-stretch: 100%;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
::selection { background: var(--gold); color: var(--black); }

img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }

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

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }

.skip {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--gold); color: var(--black); padding: 10px 16px; text-decoration: none; font-weight: 600;
}
.skip:focus { top: 12px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--black); color: var(--white);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, transform .5s var(--ease-out);
}
.site-header.is-scrolled { border-bottom-color: var(--line-dark); }
.site-header.is-hidden { transform: translateY(-100%); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }

.brand { display: flex; align-items: center; text-decoration: none; color: var(--white); }
.brand-logo { display: block; height: 30px; width: auto; }
@media (max-width: 520px) { .brand-logo { height: 26px; } }

.site-nav { display: flex; align-items: center; gap: 28px; font-size: 0.95rem; }
.site-nav a { text-decoration: none; color: var(--mist); transition: color .2s; position: relative; }
.site-nav a:not(.nav-cta)::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 1px; background: var(--gold);
  transform: scaleX(0); transform-origin: right; transition: transform .45s var(--ease-out);
}
.site-nav a:not(.nav-cta):hover::after { transform: scaleX(1); transform-origin: left; }
.site-nav a:hover { color: var(--white); }
.site-nav .nav-cta { color: var(--black); background: var(--gold); padding: 10px 18px; font-weight: 600; }
.site-nav .nav-cta:hover { color: var(--black); background: var(--white); }

.nav-toggle { display: none; background: none; border: 0; width: 44px; height: 44px; padding: 0; cursor: pointer; }
.nav-toggle-bar, .nav-toggle-bar::before, .nav-toggle-bar::after {
  display: block; width: 24px; height: 2px; background: var(--white); margin-inline: auto; position: relative; transition: transform .3s var(--ease-out), background .25s;
}
.nav-toggle-bar::before, .nav-toggle-bar::after { content: ""; position: absolute; left: 0; }
.nav-toggle-bar::before { top: -7px; }
.nav-toggle-bar::after { top: 7px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: fixed; inset: 72px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--black); border-bottom: 1px solid var(--line-dark);
    padding: 8px var(--gutter) 24px;
    clip-path: inset(0 0 100% 0); visibility: hidden;
    transition: clip-path .5s var(--ease-out), visibility 0s .5s;
  }
  .site-nav.is-open { clip-path: inset(0 0 0 0); visibility: visible; transition: clip-path .5s var(--ease-out); }
  .site-nav a { padding: 14px 0; border-bottom: 1px solid var(--line-dark); font-size: 1.1rem; color: var(--white); }
  .site-nav a::after { display: none; }
  .site-nav .nav-cta { margin-top: 16px; text-align: center; border: 0; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; position: relative; overflow: hidden;
  min-height: 52px; padding: 0 26px; font: inherit; font-weight: 600; font-size: 1rem;
  text-decoration: none; border: 1px solid transparent; cursor: pointer; isolation: isolate;
  transition: color .35s var(--ease-out), border-color .35s, transform .4s var(--ease-out);
}
.btn::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  transform: translateY(101%); transition: transform .5s var(--ease-out);
}
.btn:hover::before { transform: translateY(0); }
.btn-gold { background: var(--gold); color: var(--black); }
.btn-gold::before { background: var(--white); }
.btn-line { border-color: rgba(255,255,255,.4); color: var(--white); }
.btn-line::before { background: var(--white); }
.btn-line:hover { color: var(--black); border-color: var(--white); }

/* ---------- Hero ---------- */
.hero {
  position: relative; background: var(--black); color: var(--white); overflow: hidden;
  min-height: calc(100svh - 72px); display: flex; align-items: flex-end;
  padding: 120px 0 clamp(40px, 7vw, 88px);
}
.hero-media { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.hero-media picture, .hero-img { display: block; width: 100%; height: 100%; }
.hero-img {
  object-fit: cover; object-position: 50% 30%;
  transform: scale(1.02);
  animation: settle 2.4s var(--ease-out);
}
.hero-media picture { transform: translate3d(0, var(--hero-shift, 0px), 0); will-change: transform; }
@keyframes settle { from { transform: scale(1.14); opacity: 0; } 30% { opacity: 1; } }
/* phones: photo sits on top, copy on solid black below it */
.hero-media { bottom: auto; height: 52svh; }
.hero-media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.25) 0%, rgba(0,0,0,0) 30%, rgba(0,0,0,.55) 70%, #000 100%);
}
@media (max-width: 760px) {
  .hero { padding-top: 30svh; padding-bottom: 28px; }
  .hero .hero-title { font-size: clamp(2rem, 1.1rem + 3.6vw, 2.6rem); font-stretch: 100%; letter-spacing: -0.025em; }
  .hero .hero-kicker { margin-bottom: 18px; text-shadow: 0 1px 12px rgba(0,0,0,.8); }
  .hero .hero-foot { margin-top: 20px; gap: 20px; }
  .hero .hero-lede { font-size: 1rem; line-height: 1.55; }
  .hero .hero-actions .btn-line { display: none; }
  .hero .hero-actions .btn { width: 100%; }
}
/* larger screens: photo fills the right, fades into black on the left */
@media (min-width: 761px) {
  .hero-media { inset: 0 0 0 32%; height: auto; }
  .hero-img { object-position: 62% 40%; }
  .hero-media::after {
    background:
      linear-gradient(90deg, #000 0%, rgba(0,0,0,.82) 22%, rgba(0,0,0,.35) 55%, rgba(0,0,0,.1) 100%),
      linear-gradient(180deg, rgba(0,0,0,.3) 0%, rgba(0,0,0,0) 25%, rgba(0,0,0,0) 70%, #000 100%);
  }
  .hero .hero-title { font-size: clamp(3rem, 1.6rem + 3.6vw, 5rem); }
}
.hero-copy { position: relative; z-index: 1; }
.hero-kicker { display: flex; align-items: center; gap: 10px; color: var(--gold); font-size: var(--step--1); font-weight: 500; margin-bottom: 28px; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); position: relative; }
.pulse::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%; background: var(--gold);
  animation: ping 2.2s var(--ease-out) infinite;
}
@keyframes ping { 0% { transform: scale(1); opacity: .7; } 100% { transform: scale(3.2); opacity: 0; } }

.hero-title {
  font-size: var(--step-4); line-height: 1; font-weight: 750; font-stretch: 118%; letter-spacing: -0.02em;
}
.hero-title .line { display: block; overflow: hidden; padding-bottom: .06em; }
.hero-title .line > span { display: inline-block; transform: translateY(110%); animation: rise 1.1s var(--ease-out) forwards; }
.hero-title .line:nth-child(2) > span { animation-delay: .12s; }
.hero-title .line:nth-child(3) > span { animation-delay: .24s; color: var(--gold); }
@keyframes rise { to { transform: translateY(0); } }

.hero-foot {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 40px; align-items: end;
  margin-top: clamp(36px, 5vw, 64px);
  opacity: 0; animation: fadein 1s var(--ease-out) .6s forwards;
}
@keyframes fadein { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.hero-lede { color: #d4d1c9; max-width: 52ch; font-size: var(--step-1); line-height: 1.5; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
@media (max-width: 760px) { .hero-foot { grid-template-columns: 1fr; } }

.schematic { width: 100%; height: auto; }

/* ---------- Schematic drawing ---------- */
.schematic { --stroke: #8b877e; }
.s-ground { stroke: var(--line-dark); stroke-width: 1; }
.s-bund { fill: none; stroke: #4a4843; stroke-width: 2; }
.s-tank { fill: none; stroke: var(--stroke); stroke-width: 1.6; stroke-linejoin: round; }
.s-thin { fill: none; stroke: #5d5a54; stroke-width: 1.2; stroke-linecap: round; }
.s-fuel { fill: var(--gold); opacity: .42; }
.s-water { fill: #d9e4ea; opacity: .35; }
.s-float { fill: var(--gold); }
.s-valve { fill: var(--black); stroke: var(--stroke); stroke-width: 1.4; stroke-linejoin: round; }
.s-pipe { fill: none; stroke: #3a3935; stroke-width: 6; stroke-linecap: round; stroke-linejoin: round; }
.s-flow {
  fill: none; stroke: var(--gold); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 1400; stroke-dashoffset: 0;
}
@keyframes draw { to { stroke-dashoffset: 0; } }
.particles circle { fill: var(--gold-bright); }
.s-node { fill: var(--black); stroke: var(--gold); stroke-width: 2; }
.s-sample { fill: var(--gold); opacity: .55; }
.s-vessel { fill: var(--black); stroke: var(--stroke); stroke-width: 1.6; }
.s-element { fill: none; stroke: #6d6a63; stroke-width: 2; }
.s-dash { stroke-dasharray: 3 3; }
.s-gauge { fill: var(--black); stroke: var(--stroke); stroke-width: 1.6; }
.s-tick { fill: none; stroke: var(--mist); stroke-width: 1.2; stroke-linecap: round; }
.needle { stroke: var(--gold); stroke-width: 2; stroke-linecap: round; transform-box: view-box; transform-origin: 650px 228px; animation: needle 4.5s ease-in-out infinite; }
@keyframes needle {
  0% { transform: rotate(-38deg); } 30% { transform: rotate(-12deg); } 45% { transform: rotate(-18deg); }
  70% { transform: rotate(8deg); } 85% { transform: rotate(2deg); } 100% { transform: rotate(-38deg); }
}
.s-hub { fill: var(--gold); }
.s-meter { fill: var(--black); stroke: var(--stroke); stroke-width: 1.6; }
.s-digits { fill: var(--gold); font-family: var(--f); font-size: 15px; font-weight: 600; font-stretch: 80%; letter-spacing: .04em; font-variant-numeric: tabular-nums; }
.s-reel { fill: var(--black); stroke: var(--stroke); stroke-width: 1.6; }
.s-reel-hub { fill: var(--stroke); }
.s-wing { fill: var(--white); }
.s-nacelle { fill: #d6d3cb; }
.s-wheel { fill: var(--black); stroke: var(--mist); stroke-width: 4; }
.s-coupling { fill: var(--gold); }
.s-label { fill: var(--mist); font-family: var(--f); font-size: 13px; }
.s-leader { fill: none; stroke: #3a3935; stroke-width: 1; }

.liquid { animation: wave 3.2s linear infinite; }
.liquid-b { animation-duration: 4s; animation-direction: reverse; }
@keyframes wave { from { transform: translateX(0); } to { transform: translateX(60px); } }
.s-float { animation: bob 3.2s ease-in-out infinite; transform-box: fill-box; }
@keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(2px); } }
.drip { fill: #d9e4ea; opacity: 0; animation: drip 3.6s ease-in infinite; }
.drip-b { animation-delay: 1.8s; }
@keyframes drip {
  0%, 60% { opacity: 0; transform: translateY(0); }
  65% { opacity: .9; }
  100% { opacity: 0; transform: translateY(9px); }
}

/* staged entrance when the diagram scrolls into view */
.js .chain:not(.is-in) .s-flow { stroke-dashoffset: 1400; }
.js .chain.is-in .s-flow { animation: draw 2.6s var(--ease-io) .3s backwards; }
@keyframes draw { from { stroke-dashoffset: 1400; } to { stroke-dashoffset: 0; } }
.js .chain .chain-stage .part { animation: fadein-plain .9s var(--ease-out) backwards; animation-play-state: paused; }
.js .chain.is-in .chain-stage .part { animation-play-state: running; }
.chain-stage .part[data-part="sample"] { animation-delay: .5s; }
.chain-stage .part[data-part="filter"] { animation-delay: .8s; }
.chain-stage .part[data-part="meter"]  { animation-delay: 1.1s; }
.chain-stage .part[data-part="wing"]   { animation-delay: 1.4s; }
@keyframes fadein-plain { from { opacity: 0; } }

/* ---------- Marquee ---------- */
.marquee { background: var(--gold); color: var(--black); overflow: hidden; padding: 18px 0; border-block: 1px solid var(--black); }
.marquee-track { display: flex; align-items: center; gap: 36px; width: max-content; animation: marquee 38s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee span { font-size: clamp(1.1rem, .9rem + 1vw, 1.6rem); font-weight: 650; font-stretch: 112%; white-space: nowrap; letter-spacing: -0.01em; }
.marquee i { width: 10px; height: 10px; background: var(--black); transform: rotate(45deg); flex: none; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
.section { padding-block: var(--section); position: relative; }
.section-light { background: var(--white); color: var(--black); }
.section-dark { background: var(--black); color: var(--white); }

.h-section { font-size: var(--step-3); line-height: 1.04; font-weight: 700; font-stretch: 112%; letter-spacing: -0.015em; max-width: 18ch; }
.section-head {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px; align-items: end;
  margin-bottom: clamp(48px, 6vw, 80px);
}
.section-intro { font-size: var(--step-1); line-height: 1.5; max-width: 46ch; }
.section-dark .section-intro { color: var(--mist); }
.section-light .section-intro { color: var(--ink-soft); }

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
.prose p + p { margin-top: 1.1em; }
.prose { font-size: var(--step-1); line-height: 1.6; color: var(--ink-soft); max-width: 58ch; }
.prose strong { color: var(--black); font-weight: 650; }

@media (max-width: 860px) {
  .section-head, .split { grid-template-columns: 1fr; }
  .section-head { gap: 16px; }
}

/* ---------- Scroll reveals (only when JS is running) ---------- */
.js [data-reveal] {
  opacity: 0; transform: translateY(28px);
  transition: opacity 1s var(--ease-out), transform 1.1s var(--ease-out);
  transition-delay: calc(var(--i, 0) * 80ms);
}
.js [data-reveal].is-in { opacity: 1; transform: none; }
.js [data-reveal="mask"] {
  opacity: 1; transform: none;
  clip-path: inset(0 0 100% 0); translate: 0 40px;
  transition: clip-path 1.2s var(--ease-out), translate 1.2s var(--ease-out);
}
.js [data-reveal="mask"].is-in { clip-path: inset(0 0 -10% 0); translate: 0 0; }
.js [data-reveal="line"] { opacity: 1; transform: scaleX(0); transform-origin: left; transition: transform 1.4s var(--ease-io); }
.js [data-reveal="line"].is-in { transform: scaleX(1); }

/* ---------- Photos ---------- */
.photo { position: relative; overflow: hidden; background: #141412; margin: 0; }
.photo img { display: block; width: 100%; height: 100%; object-fit: cover; }
.js [data-reveal="photo"] {
  opacity: 1; transform: none;
  clip-path: inset(100% 0 0 0);
  transition: clip-path 1.3s var(--ease-out);
}
.js [data-reveal="photo"] img { transform: scale(1.18); transition: transform 1.8s var(--ease-out); }
.js [data-reveal="photo"].is-in { clip-path: inset(0 0 0 0); }
.js [data-reveal="photo"].is-in img { transform: scale(1); }

.photo-why { margin-top: clamp(28px, 4vw, 48px); aspect-ratio: 3 / 2; }
@media (max-width: 860px) { .photo-why { margin-inline: calc(var(--gutter) * -1); } }

/* ---------- Services ---------- */
.service-list { border-top: 1px solid var(--line-dark); counter-reset: svc; }
.service {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px;
  padding: 34px 0; border-bottom: 1px solid var(--line-dark); position: relative;
}
.service::after {
  content: ""; position: absolute; left: 0; bottom: -1px; height: 1px; width: 100%;
  background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform .7s var(--ease-out);
}
.service h3 {
  font-size: var(--step-2); font-weight: 600; font-stretch: 105%; line-height: 1.15; letter-spacing: -0.01em;
  transition: transform .6s var(--ease-out), color .4s, font-stretch .6s var(--ease-out);
}
.service p { color: var(--mist); max-width: 48ch; align-self: center; transition: color .4s; }
.service:hover::after { transform: scaleX(1); }
.service:hover h3 { color: var(--gold); transform: translateX(14px); font-stretch: 118%; }
.service:hover p { color: var(--white); }
@media (max-width: 760px) { .service { grid-template-columns: 1fr; gap: 10px; padding: 26px 0; } }

/* ---------- Tank to wing ---------- */
.chain-stage {
  background: var(--black); padding: clamp(12px, 3vw, 32px); overflow: hidden;
}
.chain-stage .schematic { aspect-ratio: 1200 / 430; }
@media (max-width: 760px) {
  .chain-stage { margin-inline: calc(var(--gutter) * -1); }
  .chain-stage .schematic { aspect-ratio: 4 / 3; }
}
.chain-stage .part { transition: opacity .6s var(--ease-out); }
.chain-stage .part.is-dim { opacity: .14; }
.chain-stage .s-label { opacity: .5; }

.chain-steps {
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr));
  position: relative; border-top: 2px solid var(--line-light); margin-top: 0;
}
.chain-steps button {
  width: 100%; text-align: left; background: none; border: 0; cursor: pointer;
  font: inherit; font-size: 1rem; font-weight: 600; color: var(--ink-soft);
  padding: 22px 16px 22px 0; position: relative;
  display: flex; flex-direction: column; gap: 10px; transition: color .3s;
}
.chain-steps button::before {
  content: ""; position: absolute; top: -3px; left: 0; right: 0; height: 4px;
  background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform .6s var(--ease-out);
}
.chain-steps button[aria-selected="true"] { color: var(--black); }
.chain-steps button[aria-selected="true"]::before { transform: scaleX(1); }
.chain-steps button:hover { color: var(--black); }
.chain-n {
  display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 50%;
  border: 1px solid var(--line-light); font-size: 0.85rem; transition: background .4s, color .4s, border-color .4s, transform .4s var(--ease-out);
}
.chain-steps button:hover .chain-n { transform: scale(1.12); }
.chain-steps button[aria-selected="true"] .chain-n { background: var(--black); color: var(--gold); border-color: var(--black); }

.chain-panels { margin-top: 32px; }
.chain-panel {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px clamp(32px, 5vw, 72px);
  align-items: start;
}
.panel-photo { aspect-ratio: 4 / 3; }
.panel-body h3 + p { margin: 12px 0 24px; }
.chain-panel[hidden] { display: none; }
.chain-panel.is-entering > * { animation: panel-in .7s var(--ease-out) both; }
.chain-panel.is-entering > *:nth-child(2) { animation-delay: .06s; }
@keyframes panel-in { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.chain-panel h3 { font-size: var(--step-2); font-weight: 650; font-stretch: 108%; line-height: 1.15; }
.panel-body > p { color: var(--ink-soft); font-size: var(--step-1); line-height: 1.55; }
.checks li { padding: 12px 0 12px 28px; border-bottom: 1px solid var(--line-light); position: relative; }
.checks li:first-child { border-top: 1px solid var(--line-light); }
.checks li::before {
  content: ""; position: absolute; left: 2px; top: 50%; width: 12px; height: 7px; margin-top: -6px;
  border-left: 2px solid var(--gold); border-bottom: 2px solid var(--gold); transform: rotate(-45deg);
}
@media (max-width: 860px) {
  /* phones: stages become a swipeable row of chips under the diagram */
  .chain-steps {
    display: flex; gap: 8px; overflow-x: auto; border-top: 0;
    margin-inline: calc(var(--gutter) * -1); padding: 14px var(--gutter);
    scroll-snap-type: x proximity; scrollbar-width: none;
  }
  .chain-steps::-webkit-scrollbar { display: none; }
  .chain-steps li { flex: none; scroll-snap-align: start; }
  .chain-steps button {
    flex-direction: row; align-items: center; gap: 8px; white-space: nowrap;
    padding: 8px 16px 8px 8px; border: 1px solid var(--line-light); border-radius: 999px; font-size: .95rem;
  }
  .chain-steps button::before { display: none; }
  .chain-steps button[aria-selected="true"] { background: var(--black); color: var(--white); border-color: var(--black); }
  .chain-n { width: 26px; height: 26px; }
  .chain-panels { margin-top: 20px; }
  .chain-panel { grid-template-columns: 1fr; }
  .panel-photo { margin-inline: calc(var(--gutter) * -1); aspect-ratio: 16 / 10; }
}

/* ---------- Who we serve (spotlight follows the pointer) ---------- */
.serve-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  border-top: 1px solid var(--line-dark); border-left: 1px solid var(--line-dark);
  --mx: -500px; --my: -500px;
}
.serve-grid > div {
  padding: 28px 28px 40px; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark);
  position: relative; overflow: hidden;
}
.serve-grid > div::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(260px circle at var(--x, -500px) var(--y, -500px), rgba(198,160,82,.16), transparent 70%);
}
.serve-grid dt { font-size: var(--step-1); font-weight: 650; color: var(--gold); margin-bottom: 10px; position: relative; }
.serve-grid dd { color: var(--mist); position: relative; transition: color .3s; }
.serve-grid > div:hover dd { color: var(--white); }

/* ---------- Mission (words fill in as you scroll) ---------- */
.mission-title {
  font-size: var(--step-4); line-height: 1; font-weight: 750; font-stretch: 116%; letter-spacing: -0.02em;
  max-width: 13ch;
}
.mission-title .w { color: #d9d5cb; transition: color .25s linear; }
.mission-title .w.on { color: var(--black); }
.mission-title .w.on:last-child { color: var(--gold-deep, #9a7a34); }
.mission-rule { height: 3px; background: var(--gold); margin: clamp(36px, 5vw, 64px) 0; }
.mission-body { align-items: center; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); }
.photo-mission { aspect-ratio: 4 / 3; }
.mission-text .prose { margin-top: 28px; }
@media (max-width: 860px) { .mission-body { grid-template-columns: 1fr; } .photo-mission { margin-inline: calc(var(--gutter) * -1); } }
.mission-lede { font-size: clamp(1.3rem, 1.1rem + .8vw, 1.75rem); line-height: 1.4; font-weight: 500; letter-spacing: -0.01em; }

/* ---------- Approach ---------- */
.steps-wrap { position: relative; }
.steps-track { position: absolute; left: 0; right: 0; top: 34px; height: 1px; background: var(--line-dark); }
.steps-fill { position: absolute; inset: 0; background: var(--gold); transform: scaleX(var(--p, 0)); transform-origin: left; }
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; position: relative; }
.steps li { padding: 0 28px 0 0; }
.step-n {
  display: inline-block; font-size: 4.2rem; line-height: 1; font-weight: 300; font-stretch: 70%; color: var(--gold);
  margin-bottom: 28px; background: var(--black); padding-right: 16px;
  transition: font-weight .8s var(--ease-out), font-stretch .8s var(--ease-out);
}
.steps li:hover .step-n { font-weight: 700; font-stretch: 100%; }
.steps h3 { font-size: var(--step-1); font-weight: 650; margin-bottom: 8px; }
.steps p { color: var(--mist); }
@media (max-width: 860px) {
  .steps { grid-template-columns: 1fr 1fr; gap: 48px 24px; }
  .steps-track { display: none; }
}
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }

/* ---------- FAQ ---------- */
.faq { border-top: 1px solid var(--line-light); }
.faq details { border-bottom: 1px solid var(--line-light); }
.faq summary {
  list-style: none; cursor: pointer; padding: 24px 48px 24px 0; position: relative;
  font-size: var(--step-1); font-weight: 600; line-height: 1.35; transition: color .3s;
}
.faq summary:hover { color: var(--gold-deep, #9a7a34); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after, .faq summary::before {
  content: ""; position: absolute; right: 8px; top: 50%; width: 16px; height: 2px; background: var(--black);
  transition: transform .45s var(--ease-out), background .3s;
}
.faq summary::before { transform: rotate(90deg); }
.faq details[open] summary::before { transform: rotate(0deg); background: var(--gold); }
.faq details[open] summary::after { background: var(--gold); transform: rotate(180deg); }
.faq-a { overflow: hidden; }
.faq-a p { padding: 0 48px 26px 0; color: var(--ink-soft); max-width: 60ch; }
.faq details[open] .faq-a { animation: faq-open .5s var(--ease-out); }
@keyframes faq-open { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }

/* ---------- Contact ---------- */
.contact-direct { margin-top: 48px; border-top: 1px solid var(--line-dark); }
.contact-direct li { display: grid; grid-template-columns: 110px 1fr; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line-dark); }
.contact-direct span { color: var(--mist); font-size: var(--step--1); padding-top: 2px; }
.contact-direct a { text-decoration: none; transition: color .3s; overflow-wrap: anywhere; }
.contact-direct address { font-style: normal; }
@media (max-width: 520px) {
  .contact-direct li { grid-template-columns: 1fr; gap: 4px; padding: 14px 0; }
  .contact-direct a { overflow-wrap: normal; }
}
.contact-direct a:hover { color: var(--gold); }

.form { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; align-content: start; }
.field { display: grid; gap: 8px; position: relative; }
.field-wide, .form .btn, .form-note { grid-column: 1 / -1; }
.field label { font-size: var(--step--1); color: var(--mist); transition: color .3s; }
.field:focus-within label { color: var(--gold); }
.field input, .field select, .field textarea {
  font: inherit; color: var(--white); background: transparent;
  border: 0; border-bottom: 1px solid #4a4843; border-radius: 0; padding: 10px 0;
}
.field::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--gold);
  transform: scaleX(0); transform-origin: left; transition: transform .6s var(--ease-out);
}
.field:focus-within::after { transform: scaleX(1); }
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--gold) 50%), linear-gradient(135deg, var(--gold) 50%, transparent 50%); background-position: right 6px center, right 0 center; background-size: 6px 6px; background-repeat: no-repeat; }
.field select option { color: var(--black); }
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; }
.form .btn { justify-self: start; margin-top: 12px; }
.form-note { font-size: var(--step--1); color: var(--mist); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
@media (max-width: 600px) { .form { grid-template-columns: 1fr; } }

/* ---------- Footer ---------- */
.site-footer { background: var(--black); color: var(--mist); border-top: 1px solid var(--line-dark); font-size: var(--step--1); }
.footer-top {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 40px; align-items: start;
  padding-block: clamp(48px, 7vw, 80px) 40px; border-bottom: 1px solid var(--line-dark);
}
.footer-brand { color: var(--white); display: inline-block; }
.footer-brand .brand-logo { height: clamp(40px, 5vw, 56px); }
.footer-cols { display: grid; grid-template-columns: auto auto; gap: 48px; font-style: normal; font-size: var(--step-0); line-height: 1.7; color: #d4d1c9; }
.footer-cols span { display: block; color: var(--gold); font-size: var(--step--1); margin-bottom: 8px; }
.footer-cols a { text-decoration: none; transition: color .2s; }
.footer-cols a:hover { color: var(--gold); }
@media (max-width: 760px) {
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-cols { grid-template-columns: 1fr; gap: 24px; }
}
.footer-inner { display: flex; justify-content: space-between; gap: 16px; padding-block: 28px; flex-wrap: wrap; }
.footer-inner a { text-decoration: none; }
.footer-inner a:hover { color: var(--gold); }

/* ---------- Simple pages (thanks, 404, rate limit) ---------- */
.simple { min-height: 100vh; display: grid; place-items: center; background: var(--black); color: var(--white); }
.simple .wrap { max-width: 720px; }
.simple .brand-logo { height: 40px; }
.simple h1 { font-size: var(--step-3); font-weight: 700; font-stretch: 112%; line-height: 1.05; margin: 20px 0; }
.simple p { color: var(--mist); font-size: var(--step-1); margin-bottom: 32px; }

/* ---------- Reduced motion: keep everything, stop the movement ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; animation-delay: 0s !important; transition-duration: .01ms !important; }
  .hero-img, .marquee-track, .liquid, .needle, .drip, .s-float, .pulse::after { animation: none !important; }
  .js [data-reveal], .js [data-reveal="mask"] { opacity: 1; transform: none; clip-path: none; translate: none; }
  .js [data-reveal="line"] { transform: none; }
  .js [data-reveal="photo"] { clip-path: none; }
  .js [data-reveal="photo"] img, .hero-img { transform: none; opacity: 1; }
  .js .chain .s-flow { stroke-dashoffset: 0; }
  .mission-title .w { color: var(--black); }
}

/* ---------- Lenis smooth scroll (vendor) ---------- */
html.lenis,
html.lenis body {
  height: auto;
}

.lenis:not(.lenis-autoToggle).lenis-stopped {
  overflow: clip;
}

.lenis [data-lenis-prevent],
.lenis [data-lenis-prevent-wheel],
.lenis [data-lenis-prevent-touch],
.lenis [data-lenis-prevent-vertical],
.lenis [data-lenis-prevent-horizontal] {
  overscroll-behavior: contain;
}

.lenis.lenis-smooth iframe {
  pointer-events: none;
}

.lenis.lenis-autoToggle {
  transition-property: overflow;
  transition-duration: 1ms;
  transition-behavior: allow-discrete;
}