/* ==========================================================================
   Bornhöft Abriß & Recycling GmbH
   Design direction: Baltic petrol + concrete greys, hi-vis orange used as
   machine paint. Archivo in its expanded width for headlines (stamped-steel
   nameplate feel), normal width for text. Square edges, thick rules.
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  --paper: #F3F4F2;
  --concrete: #DDE0DE;
  --concrete-2: #E9EBE9;
  --petrol: #0E3A43;
  --petrol-soft: #1C5662;
  --deep: #082A31;
  --orange: #FF6A2B;
  --muted: #475A60;
  --line: #C4C9C6;
  --line-dark: #1F4A54;
  --mineral: #A9AEAB;
  --metal: #7E97A0;
  --timber: #C29B6C;
  --resid: #3F4A4E;

  --font: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --container: 1320px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --section-y: clamp(4.5rem, 8vw, 7.5rem);
  --radius: 2px;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --nav-h: 4.5rem;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 5.5rem;
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--deep);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.no-scroll { overflow: hidden; }

h1, h2, h3, h4, p, ul, ol, figure, address, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
address { font-style: normal; }
a { color: inherit; }
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }

[tabindex="-1"]:focus { outline: none; }
:focus-visible { outline: 3px solid var(--deep); outline-offset: 3px; }
.hero :focus-visible,
.process :focus-visible,
.benefits :focus-visible,
.site-footer :focus-visible,
.contact__info :focus-visible,
.nav :focus-visible { outline-color: var(--orange); }

.container { width: min(var(--container), 100% - 2 * var(--gutter)); margin-inline: auto; }

.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 100;
  background: var(--orange); color: var(--deep); font-weight: 700;
  padding: .75rem 1.25rem; text-decoration: none; transition: top .2s;
}
.skip-link:focus { top: 1rem; }

/* Icons */
.icon {
  width: 1.4rem; height: 1.4rem; flex: none;
  fill: none; stroke: currentColor; stroke-width: 2;
  stroke-linecap: round; stroke-linejoin: round;
}

/* SVG paint helpers */
.f-petrol { fill: var(--petrol); }
.f-petrol-soft { fill: var(--petrol-soft); }
.f-deep { fill: var(--deep); }
.f-orange { fill: var(--orange); }
.f-concrete { fill: var(--concrete); }
.f-concrete2 { fill: var(--concrete-2); }
.f-mineral { fill: var(--mineral); }
.f-metal { fill: var(--metal); }
.f-timber { fill: var(--timber); }
.f-resid { fill: var(--resid); }
.s-orange { stroke: var(--orange); }
.s-concrete { stroke: var(--concrete); }
.s-petrol { stroke: var(--petrol); }
.s-deep { stroke: var(--deep); }
.s-muted { stroke: var(--muted); }
.s-grid { stroke: rgba(233, 235, 233, .07); stroke-width: 1; }
.s-hatch { stroke: rgba(233, 235, 233, .16); stroke-width: 1.5; }
.s-plan-hatch { stroke: rgba(14, 58, 67, .38); stroke-width: 1.5; }
.svg-label { font-family: var(--font); font-size: 17px; font-weight: 600; fill: var(--concrete); }
.svg-label--small { font-size: 14px; fill: var(--orange); }
.svg-label--dark { fill: var(--deep); }
.svg-label--big { font-size: 19px; font-weight: 800; }
.svg-icon { fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.svg-icon--light { stroke: var(--concrete); }
.svg-icon--dark { stroke: var(--deep); }

/* ---------- Typography ---------- */
.title {
  font-size: clamp(1.9rem, 3.6vw, 3.15rem);
  font-stretch: 125%;
  font-weight: 800;
  letter-spacing: -.022em;
  line-height: 1.06;
  text-wrap: balance;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  padding: 1rem 1.6rem;
  font-size: 1rem; font-weight: 700; line-height: 1; text-decoration: none;
  border: 2px solid transparent; border-radius: var(--radius); cursor: pointer;
  transition: background-color .25s, color .25s, border-color .25s, transform .25s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn--accent { background: var(--orange); border-color: var(--orange); color: var(--deep); }
.btn--accent:hover { background: #FF8650; border-color: #FF8650; transform: translateY(-2px); }
.btn--outline-light { border-color: rgba(233, 235, 233, .6); color: var(--concrete-2); }
.btn--outline-light:hover { background: var(--concrete-2); border-color: var(--concrete-2); color: var(--deep); }
.btn--deep { background: var(--deep); border-color: var(--deep); color: var(--concrete-2); }
.btn--deep:hover { background: var(--petrol); border-color: var(--petrol); transform: translateY(-2px); }
.btn--outline-deep { border-color: var(--deep); color: var(--deep); }
.btn--outline-deep:hover { background: var(--deep); color: var(--concrete-2); }

/* ---------- Topbar and header ---------- */
.topbar { background: var(--deep); color: #B9CBCF; font-size: .875rem; }
.topbar__inner { display: flex; justify-content: space-between; gap: 1.5rem; padding-block: .6rem; }
.topbar__contact { display: flex; gap: 1.75rem; }
.topbar a { color: #fff; text-decoration: none; border-bottom: 1px solid rgba(255, 255, 255, .35); transition: border-color .2s; }
.topbar a:hover { border-color: var(--orange); }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s;
}
.site-header.is-scrolled { box-shadow: 0 10px 24px -18px rgba(8, 42, 49, .6); }
.navbar { display: flex; align-items: center; justify-content: space-between; gap: 2rem; min-height: var(--nav-h); }

.brand { display: flex; align-items: center; gap: .8rem; text-decoration: none; }
.brand__mark { width: 2.6rem; height: 2.6rem; flex: none; }
.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__text strong { font-size: 1.45rem; font-stretch: 125%; font-weight: 800; letter-spacing: -.02em; }
.brand__text span { font-size: .8rem; font-weight: 500; color: var(--muted); }

.nav { display: flex; align-items: center; gap: 2.25rem; }
.nav__list { display: flex; gap: 1.9rem; }
.nav__link {
  position: relative; display: block; padding-block: .5rem;
  font-size: .98rem; font-weight: 600; text-decoration: none;
}
.nav__link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
  background: var(--orange); transform: scaleX(0); transform-origin: left;
  transition: transform .3s var(--ease);
}
.nav__link:hover::after,
.nav__link.is-active::after { transform: scaleX(1); }

.nav-toggle {
  display: none; position: relative; width: 3rem; height: 3rem;
  background: transparent; border: 2px solid var(--deep); border-radius: var(--radius); cursor: pointer;
}
.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  position: absolute; left: 50%; width: 1.3rem; height: 2px; background: var(--deep);
  transition: transform .3s var(--ease), background-color .2s;
}
.nav-toggle__bars { top: 50%; transform: translate(-50%, -50%); }
.nav-toggle__bars::before, .nav-toggle__bars::after { content: ""; left: 0; }
.nav-toggle__bars::before { top: -7px; }
.nav-toggle__bars::after { top: 7px; }
.nav-open .nav-toggle__bars { background: transparent; }
.nav-open .nav-toggle__bars::before { transform: translateY(7px) rotate(45deg); }
.nav-open .nav-toggle__bars::after { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { background: var(--petrol); color: var(--concrete-2); overflow-x: clip; }
.hero__top { padding-top: clamp(3rem, 6vw, 5.5rem); }

.hero__title {
  font-size: clamp(2.3rem, 6.3vw, 6rem);
  font-stretch: 125%;
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.02;
  color: #fff;
}
.hero__title .line { display: block; overflow: hidden; padding-bottom: .12em; margin-bottom: -.12em; }
.hero__title .line > span { display: block; animation: rise .9s var(--ease) both; }
.hero__title .line:nth-child(2) > span { animation-delay: .14s; }

.hero__row {
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 2rem clamp(2rem, 6vw, 6rem); align-items: end;
  margin-top: clamp(1.75rem, 3vw, 2.75rem);
}
.hero__lead { font-size: clamp(1.1rem, 1.5vw, 1.3rem); line-height: 1.55; color: #C9D8DB; max-width: 50ch; }
.hero__row > * { animation: fade .8s .4s var(--ease) both; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .85rem; }
.hero__address { margin-top: 1.5rem; font-size: .95rem; color: #B9CBCF; }
.hero__address a { color: #fff; text-decoration: none; border-bottom: 1px solid rgba(255, 255, 255, .35); }
.hero__address a:hover { border-color: var(--orange); }

.hero__scene { margin-top: clamp(1.5rem, 3vw, 3rem); }
.hero__scene svg { width: 100%; height: auto; min-height: 17rem; }
.hero__scene .pile { transform-box: fill-box; transform-origin: 50% 100%; animation: pile 1s var(--ease) both; }
.hero__scene .pile--1 { animation-delay: .7s; }
.hero__scene .pile--2 { animation-delay: .9s; }
.hero__scene .pile--3 { animation-delay: 1.1s; }
.arm { transform-origin: 540px 240px; animation: arm 5s ease-in-out 1.4s 3; }

@keyframes rise { from { transform: translateY(105%); } to { transform: none; } }
@keyframes fade { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes pile { from { transform: scaleY(0); } to { transform: scaleY(1); } }
@keyframes arm { 0%, 100% { transform: rotate(0); } 50% { transform: rotate(-2.6deg); } }

/* ---------- Three fields of work ---------- */
.disciplines { background: var(--concrete-2); border-bottom: 1px solid var(--line); }
.disciplines__grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.5rem, 3vw, 3rem); padding-block: clamp(2.25rem, 4vw, 3.5rem);
}
.discipline { border-top: 4px solid var(--petrol); padding-top: 1.1rem; transition: border-color .3s; }
.discipline:hover { border-color: var(--orange); }
.discipline h2 { font-size: 1.35rem; font-stretch: 125%; font-weight: 800; letter-spacing: -.015em; margin-bottom: .5rem; }
.discipline p { color: var(--muted); font-size: .98rem; max-width: 38ch; }

/* ---------- Generic section ---------- */
.section { padding-block: var(--section-y); }
.section__head {
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 1.5rem clamp(2rem, 6vw, 6rem); align-items: end;
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}
.section__intro { font-size: 1.15rem; color: var(--muted); max-width: 46ch; }

/* ---------- About ---------- */
.about { background: var(--paper); }
.about__grid {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(2.5rem, 6vw, 6.5rem); align-items: start;
}
.about__aside { position: sticky; top: 7rem; }
.plan { margin-top: clamp(1.75rem, 3vw, 2.75rem); background: var(--concrete); border: 2px solid var(--deep); }
.plan svg { width: 100%; height: auto; }
.plan figcaption { padding: .8rem 1rem; font-size: .88rem; color: var(--muted); border-top: 2px solid var(--deep); }

.about__lead { font-size: clamp(1.25rem, 1.9vw, 1.6rem); line-height: 1.45; font-weight: 500; margin-bottom: 1.6rem; }
.about__body > p:not(.about__lead) { color: #30464C; max-width: 62ch; }
.about__body > p + p { margin-top: 1.2rem; }

.principles {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.75rem; margin-top: clamp(2.25rem, 4vw, 3.5rem);
}
.principle { border-top: 4px solid var(--orange); padding-top: 1rem; }
.principle h3 { font-size: 1.2rem; font-stretch: 125%; font-weight: 800; letter-spacing: -.015em; margin-bottom: .5rem; }
.principle p { font-size: .97rem; color: var(--muted); }

.callout {
  position: relative; margin-top: clamp(2rem, 4vw, 3rem);
  padding: clamp(1.5rem, 3vw, 2.25rem) clamp(1.5rem, 3vw, 2.5rem) clamp(1.5rem, 3vw, 2.25rem) clamp(1.75rem, 3.5vw, 3rem);
  background: var(--petrol); color: var(--concrete-2);
}
.callout::before { content: ""; position: absolute; inset: 0 auto 0 0; width: .6rem; background: var(--orange); }
.callout p { font-size: clamp(1.35rem, 2.5vw, 2rem); font-stretch: 125%; font-weight: 800; letter-spacing: -.02em; line-height: 1.15; }
.callout span { display: block; margin-top: .85rem; font-size: .9rem; color: #A9C0C5; }

/* ---------- Services ---------- */
.services { background: var(--concrete); overflow-x: clip; }
.svc-list { border-bottom: 2px solid var(--deep); }
.svc {
  position: relative; isolation: isolate;
  display: grid; grid-template-columns: 3.5rem minmax(0, 4fr) minmax(0, 7fr);
  gap: 1.25rem clamp(1.5rem, 4vw, 4rem); align-items: start;
  padding-block: clamp(1.75rem, 3vw, 2.5rem);
  border-top: 2px solid var(--deep);
}
.svc::before {
  content: ""; position: absolute; inset: 0 -1rem; z-index: -1;
  background: var(--paper); opacity: 0; transition: opacity .3s;
}
.svc::after {
  content: ""; position: absolute; left: -1rem; top: 0; bottom: 0; width: 6px; z-index: -1;
  background: var(--orange); transform: scaleY(0); transform-origin: top; transition: transform .35s var(--ease);
}
.svc:hover::before, .svc:focus-within::before { opacity: 1; }
.svc:hover::after, .svc:focus-within::after { transform: scaleY(1); }

.svc__icon {
  display: grid; place-items: center; width: 3.5rem; height: 3.5rem;
  border: 2px solid var(--deep); transition: background-color .3s, border-color .3s;
}
.svc__icon .icon { width: 1.6rem; height: 1.6rem; }
.svc:hover .svc__icon { background: var(--orange); border-color: var(--orange); }
.svc__title { font-size: clamp(1.3rem, 2.1vw, 1.75rem); font-stretch: 125%; font-weight: 800; letter-spacing: -.02em; line-height: 1.12; padding-top: .2rem; }
.svc__body p { color: #30464C; max-width: 60ch; }
.tags { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1.25rem 0; }
.tags li { border: 1.5px solid var(--deep); padding: .2rem .7rem; font-size: .86rem; font-weight: 500; }
.svc__link { display: inline-block; font-weight: 700; text-decoration: none; border-bottom: 3px solid var(--orange); padding-bottom: 1px; transition: background-color .2s; }
.svc__link:hover { background: var(--orange); }

/* ---------- Process ---------- */
.process { background: var(--deep); color: var(--concrete-2); }
.process .section__intro, .benefits .section__intro { color: #B9CBCF; }

.steps {
  --p: 0;
  position: relative; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(1.5rem, 3vw, 3rem);
}
.steps::before, .steps::after {
  content: ""; position: absolute; left: 0; right: 0; top: 1.4rem; height: 3px;
}
.steps::before { background: var(--line-dark); }
.steps::after { background: var(--orange); transform: scaleX(var(--p)); transform-origin: left; z-index: 1; }

.step { position: relative; padding-top: 4.25rem; }
.step::before {
  content: ""; position: absolute; top: .7rem; left: 0; z-index: 2;
  width: 1.5rem; height: 1.5rem; background: var(--orange);
  box-shadow: 0 0 0 6px var(--deep); transition: background-color .4s;
}
.js .step:not(.is-done)::before { background: var(--petrol-soft); }
.step__num {
  display: block; margin-bottom: .6rem;
  font-size: clamp(3.4rem, 5.5vw, 5rem); font-stretch: 125%; font-weight: 800; line-height: 1;
  color: transparent; -webkit-text-stroke: 1.5px var(--petrol-soft); transition: -webkit-text-stroke-color .4s;
}
.step.is-done .step__num { -webkit-text-stroke-color: var(--orange); }
.step h3 { font-size: 1.3rem; font-stretch: 125%; font-weight: 800; letter-spacing: -.015em; line-height: 1.15; margin-bottom: .7rem; }
.step p { font-size: .98rem; color: #B9CBCF; }

/* ---------- Recycling ---------- */
.recycling { background: var(--paper); }
.recycling__grid {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(2.5rem, 6vw, 6rem); align-items: center;
}
.cycle { background: var(--concrete); border: 2px solid var(--deep); }
.cycle svg { width: 100%; height: auto; padding: clamp(.75rem, 2.5vw, 2rem); }
.cycle figcaption { padding: .8rem 1rem; font-size: .88rem; color: var(--muted); border-top: 2px solid var(--deep); }
.recycling__text .title { margin-bottom: 1.5rem; }
.recycling__text > p { color: #30464C; max-width: 58ch; }
.recycling__text > p + p { margin-top: 1rem; }
.list-title { margin: 2.25rem 0 1rem; font-size: 1.1rem; font-stretch: 125%; font-weight: 800; letter-spacing: -.01em; }
.materials {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 2rem;
  border-top: 2px solid var(--deep);
}
.materials li {
  display: flex; align-items: center; gap: .75rem; padding: .8rem 0;
  border-bottom: 1px solid var(--line); font-weight: 600; transition: padding-left .25s var(--ease);
}
.materials li::before { content: ""; width: .55rem; height: .55rem; background: var(--orange); flex: none; }
.materials li:hover { padding-left: .5rem; }

/* ---------- Benefits ---------- */
.benefits { background: var(--petrol); color: var(--concrete-2); }
.bento { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 1rem; }
.benefit {
  border: 2px solid var(--line-dark); padding: clamp(1.5rem, 2.5vw, 2.25rem);
  transition: border-color .3s;
}
.benefit:hover { border-color: var(--orange); }
.benefit h3 { font-size: clamp(1.2rem, 1.8vw, 1.5rem); font-stretch: 125%; font-weight: 800; letter-spacing: -.015em; line-height: 1.15; margin-bottom: .75rem; }
.benefit p { color: #B9CBCF; }

.benefit--feature {
  grid-column: 1 / 4; grid-row: 1 / 3;
  display: flex; flex-direction: column; justify-content: space-between; gap: 2.5rem;
  background: var(--deep); border-color: var(--deep);
}
.benefit--feature h3 { font-size: clamp(1.6rem, 2.8vw, 2.35rem); }
.benefit--feature:hover { border-color: var(--orange); }
.bays { width: 100%; height: auto; }
.benefit--feature .pile { transform-box: fill-box; transform-origin: 50% 100%; transition: transform .9s var(--ease); }
.benefit--feature .pile--2 { transition-delay: .15s; }
.benefit--feature .pile--3 { transition-delay: .3s; }
.js .benefit--feature:not(.is-visible) .pile { transform: scaleY(0); }

.benefit--r1, .benefit--r2 { grid-column: 4 / 7; }
.benefit--s { grid-column: 1 / 3; }
.benefit--wide {
  grid-column: 3 / 7;
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 1.5rem 2rem;
  background: var(--concrete); border-color: var(--concrete); color: var(--deep);
}
.benefit--wide p { color: #30464C; max-width: 42ch; }
.benefit--wide:hover { border-color: var(--orange); }
.benefit__contact { display: grid; gap: .6rem; font-weight: 600; }
.benefit__contact li { display: flex; align-items: center; gap: .7rem; }
.benefit__contact a { text-decoration: none; border-bottom: 2px solid var(--orange); }

/* ---------- Call to action ---------- */
.cta { background: var(--orange); color: var(--deep); padding-block: clamp(3rem, 6vw, 5rem); }
.cta__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 2rem 4rem; }
.cta h2 { font-size: clamp(1.7rem, 3.4vw, 2.9rem); font-stretch: 125%; font-weight: 800; letter-spacing: -.025em; line-height: 1.08; max-width: 22ch; text-wrap: balance; }
.cta p { margin-top: 1rem; max-width: 46ch; font-weight: 500; }
.cta__actions { display: flex; flex-wrap: wrap; gap: .85rem; }
.cta :focus-visible { outline-color: var(--deep); }

/* ---------- Contact ---------- */
.contact { background: var(--concrete); }
.contact__grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); border: 2px solid var(--deep); }
.contact__info { background: var(--deep); color: var(--concrete-2); padding: clamp(1.75rem, 3.5vw, 3rem); }
.contact__info > h3 { font-size: 1.15rem; font-stretch: 125%; font-weight: 800; letter-spacing: -.015em; margin-bottom: 1.5rem; }
.contact__list { display: grid; gap: 1.5rem; margin-bottom: 2.75rem; }
.contact__list li { display: flex; gap: 1rem; }
.ico { display: grid; place-items: center; width: 2.9rem; height: 2.9rem; flex: none; border: 1px solid var(--line-dark); color: var(--orange); }
.contact__list h4 { font-size: .88rem; font-weight: 600; color: #8FB0B7; margin-bottom: .15rem; }
.contact__list p, .contact__list address { line-height: 1.5; }
.contact__list a { text-decoration: none; border-bottom: 1px solid rgba(255, 255, 255, .4); }
.contact__list a:hover { border-color: var(--orange); }
.text-link { display: inline-block; margin-top: .5rem; color: var(--orange); font-weight: 600; font-size: .95rem; }
.checklist { display: grid; gap: .65rem; }
.checklist li { position: relative; padding-left: 1.5rem; color: #C9D8DB; }
.checklist li::before { content: ""; position: absolute; left: 0; top: .6em; width: .55rem; height: .55rem; background: var(--orange); }

.contact__form-wrap { background: var(--paper); padding: clamp(1.75rem, 3.5vw, 3rem); }
.form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.field { display: flex; flex-direction: column; gap: .45rem; min-width: 0; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: .95rem; font-weight: 700; }
.field label small { font-weight: 500; color: var(--muted); font-size: .88rem; }
.field input:not([type="checkbox"]),
.field select,
.field textarea {
  width: 100%; padding: .85rem 1rem; font-size: 1rem;
  background: #fff; border: 2px solid #AEB6B3; border-radius: var(--radius);
  transition: border-color .2s, box-shadow .2s;
}
.field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'%3E%3Cpath d='M1 1l6 6 6-6' fill='none' stroke='%23082A31' stroke-width='2'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.75rem;
}
.field textarea { min-height: 9.5rem; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: #7B8C91; }
.field input:not([type="checkbox"]):focus,
.field select:focus,
.field textarea:focus { outline: none; border-color: var(--deep); box-shadow: 0 0 0 4px rgba(255, 106, 43, .4); }
.field.has-error input:not([type="checkbox"]),
.field.has-error select,
.field.has-error textarea { border-color: #B3261E; }
.field__error { font-size: .88rem; font-weight: 600; color: #B3261E; }
.field__error:empty { display: none; }
.consent { display: flex; align-items: flex-start; gap: .75rem; font-weight: 500 !important; font-size: .95rem !important; cursor: pointer; }
.consent input { width: 1.25rem; height: 1.25rem; margin: .2rem 0 0; accent-color: var(--petrol); flex: none; }
.form__actions { margin-top: .25rem; }
.form__status { grid-column: 1 / -1; padding: 1rem 1.2rem; border-left: 6px solid var(--orange); background: var(--concrete); font-size: .98rem; }
.form__status[hidden] { display: none; }
.form__status a { font-weight: 700; }

/* ---------- Footer ---------- */
.site-footer { background: var(--deep); color: #A9C0C5; padding-top: clamp(3.5rem, 6vw, 5.5rem); font-size: .98rem; overflow-x: clip; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 2.5rem 3rem; }
.footer__brand .brand { color: #fff; }
.footer__brand .brand__text span { color: #8FB0B7; }
.footer__brand p { margin-top: 1.25rem; max-width: 30ch; }
.footer__col h3 { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 1rem; }
.footer__col li + li { margin-top: .5rem; }
.footer__col p { margin-top: .75rem; }
.site-footer a { text-decoration: none; transition: color .2s; }
.site-footer a:hover { color: var(--orange); }
.footer__col address { line-height: 1.6; }
.footer__mark {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  font-size: clamp(3.4rem, 15.5vw, 14rem); font-stretch: 125%; font-weight: 800; letter-spacing: -.04em; line-height: .85;
  color: transparent; -webkit-text-stroke: 1.5px var(--line-dark);
  white-space: nowrap; overflow: hidden; text-align: center; user-select: none;
}
.footer__bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 2rem;
  padding-block: 1.5rem; margin-top: 1.5rem; border-top: 1px solid var(--line-dark); font-size: .88rem;
}

/* ---------- Scroll reveal (kept light on purpose) ---------- */
.js .reveal { opacity: 0; transform: translateY(12px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .svc { grid-template-columns: 3.5rem minmax(0, 1fr); }
  .svc__body { grid-column: 2; }
  .nav { gap: 1.5rem; }
  .nav__list { gap: 1.3rem; }
}

@media (max-width: 959px) {
  :root { --nav-h: 4.25rem; }
  html { scroll-padding-top: 4.75rem; }
  .topbar { display: none; }
  .nav-toggle { display: block; }
  .nav {
    position: fixed; inset: var(--nav-h) 0 0 0; z-index: 40;
    flex-direction: column; align-items: stretch; justify-content: flex-start; gap: 2rem;
    padding: 1.5rem var(--gutter) 3rem; overflow-y: auto;
    background: var(--deep); color: var(--concrete-2);
    opacity: 0; visibility: hidden; transform: translateY(-10px);
    transition: opacity .3s, transform .3s var(--ease), visibility .3s;
  }
  .nav-open .nav { opacity: 1; visibility: visible; transform: none; }
  .nav__list { flex-direction: column; gap: 0; }
  .nav__link { padding: .9rem 0; font-size: 1.5rem; font-stretch: 125%; font-weight: 800; letter-spacing: -.02em; border-bottom: 1px solid var(--line-dark); }
  .nav__link::after { display: none; }
  .nav__cta { padding-block: 1.1rem; }

  .hero__row { grid-template-columns: 1fr; }
  .disciplines__grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .section__head { grid-template-columns: 1fr; align-items: start; }
  .about__grid { grid-template-columns: 1fr; }
  .about__aside { position: static; }
  .recycling__grid { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; }
  .bento { grid-template-columns: 1fr; }
  .benefit--feature, .benefit--r1, .benefit--r2, .benefit--s, .benefit--wide { grid-column: 1 / -1; grid-row: auto; }
}

@media (max-width: 899px) {
  .steps { grid-template-columns: 1fr; gap: 0; }
  .steps::before, .steps::after { left: .7rem; right: auto; top: 0; bottom: 0; width: 3px; height: auto; }
  .steps::after { transform: scaleY(var(--p)); transform-origin: top; }
  .step { padding: 0 0 2.5rem 3.5rem; }
  .step::before { top: .35rem; }
  .step__num { font-size: 2.8rem; }
}

@media (max-width: 640px) {
  body { font-size: 1rem; }
  .principles { grid-template-columns: 1fr; }
  .materials { grid-template-columns: 1fr; }
  .form { grid-template-columns: 1fr; }
  .svc { grid-template-columns: 3rem minmax(0, 1fr); gap: 1rem 1.25rem; }
  .svc__icon { width: 3rem; height: 3rem; }
  .svc::before { inset: 0 -.75rem; }
  .svc::after { left: -.75rem; }
  .footer__grid { grid-template-columns: 1fr; }
  .hero__actions .btn, .cta__actions .btn { flex: 1 1 100%; }
  .benefit--wide { align-items: flex-start; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
  .hero__title .line > span, .hero__row > *, .hero__scene .pile { transform: none; opacity: 1; }
  .js .reveal { opacity: 1; transform: none; }
  .js .benefit--feature:not(.is-visible) .pile { transform: none; }
}