:root {
  --ink: #101417;
  --ink-soft: #1b2227;
  --paper: #f4f3ef;
  --white: #ffffff;
  --orange: #d7192d;
  --orange-dark: #a80f20;
  --steel: #68737b;
  --line: rgba(16, 20, 23, 0.16);
  --max: 1240px;
  --pad: clamp(1.25rem, 4vw, 4rem);
  --radius: 2px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible { outline: 3px solid #ff8a95; outline-offset: 4px; }

.sr-only, .skip-link:not(:focus) {
  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;
  top: .75rem;
  left: .75rem;
  z-index: 1000;
  padding: .75rem 1rem;
  color: var(--white);
  background: var(--ink);
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  color: var(--ink);
  background: rgba(244, 243, 239, .92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(16,20,23,.1);
  transition: background-color .3s ease, box-shadow .3s ease;
}
.site-header.scrolled {
  background: rgba(244, 243, 239, .96);
  box-shadow: 0 1px 0 rgba(16,20,23,.12);
  backdrop-filter: blur(16px);
}
.nav-shell {
  width: min(100%, calc(var(--max) + 2 * var(--pad)));
  min-height: 96px;
  margin: auto;
  padding: 0 var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  text-decoration: none;
}
.brand-logo {
  display: block;
  width: auto;
  height: auto;
}
.brand-logo-header { width: clamp(8.5rem, 12vw, 10rem); }
.brand-logo-footer { width: clamp(12rem, 18vw, 14.5rem); }
.site-nav { display: flex; align-items: center; gap: clamp(1.25rem, 2.4vw, 2.75rem); }
.site-nav a {
  font-size: .88rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-decoration: none;
  transition: color .2s ease;
}
.site-nav a:hover { color: #ff6977; }
.site-nav .nav-call {
  padding: .78rem 1rem;
  border: 1px solid rgba(16,20,23,.38);
}
.menu-toggle { display: none; }

.hero {
  position: relative;
  min-height: 760px;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(10, 14, 17, .92) 0%, rgba(10, 14, 17, .76) 54%, rgba(10, 14, 17, .48) 100%),
    url("assets/realisations/toiture-commerciale.webp") center 42% / cover no-repeat;
  overflow: hidden;
}
.hero-grid {
  position: relative;
  z-index: 2;
  width: min(100%, calc(var(--max) + 2 * var(--pad)));
  min-height: 720px;
  margin: auto;
  padding: 140px var(--pad) 74px;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
}
.hero-copy { position: relative; z-index: 2; max-width: 850px; }
.eyebrow {
  margin: 0 0 1.25rem;
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .22em;
  text-transform: uppercase;
}
.eyebrow > span { width: 34px; height: 3px; background: var(--orange); }
.eyebrow-dark { color: var(--orange-dark); }
.hero h1, .section h2, .symptoms h2, .commitment h2, .cta h2 {
  margin: 0;
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  font-weight: 400;
  line-height: .93;
  letter-spacing: .012em;
  text-transform: uppercase;
}
.hero h1 { max-width: 850px; font-size: clamp(3.8rem, 6.7vw, 6.8rem); }
.hero h1 em { color: var(--orange); font-style: normal; }
.hero-lead {
  max-width: 590px;
  margin: 2rem 0 0;
  color: rgba(255,255,255,.78);
  font-size: clamp(1rem, 1.35vw, 1.17rem);
  line-height: 1.72;
}
.hero-actions { margin-top: 2.2rem; display: flex; align-items: center; gap: 1.75rem; flex-wrap: wrap; }
.button {
  min-height: 54px;
  padding: .9rem 1.35rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  border: 0;
  border-radius: var(--radius);
  font-size: .9rem;
  font-weight: 800;
  letter-spacing: .035em;
  text-decoration: none;
  transition: transform .2s ease, background-color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button svg { width: 20px; fill: none; stroke: currentColor; stroke-width: 2; }
.button-primary { color: var(--white); background: var(--orange); }
.button-primary:hover { background: #eb2940; }
.text-link { color: inherit; font-size: .92rem; font-weight: 700; text-underline-offset: .35rem; }
.text-link span { margin-left: .35rem; color: var(--orange); }
.hero-proof {
  margin-top: 3.25rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(255,255,255,.28);
}
.hero-proof div { padding: 1.15rem .85rem 0 0; display: grid; gap: .15rem; }
.hero-proof div + div { padding-left: .85rem; border-left: 1px solid rgba(255,255,255,.28); }
.hero-proof strong { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
.hero-proof span { color: rgba(255,255,255,.68); font-size: .75rem; }

.hero-visual { position: relative; }
.hero-photo-wrap {
  position: relative;
  height: clamp(430px, 57vw, 620px);
  max-height: 620px;
  overflow: hidden;
  background: #2c3338;
  clip-path: polygon(15% 0, 100% 0, 100% 100%, 0 100%, 0 17%);
}
.hero-photo-wrap picture { display: block; width: 100%; height: 100%; }
.hero-photo-wrap img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.photo-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(16,20,23,.3), transparent 46%), linear-gradient(0deg, rgba(16,20,23,.25), transparent 45%);
  pointer-events: none;
}
.hero-stamp {
  position: absolute;
  right: 1.1rem;
  bottom: 1.1rem;
  padding: .85rem 1rem;
  display: flex;
  align-items: center;
  gap: .7rem;
  color: var(--ink);
  background: rgba(255,255,255,.94);
  box-shadow: 0 12px 36px rgba(0,0,0,.2);
}
.stamp-icon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--orange);
  font-family: Impact, sans-serif;
  font-size: 1.4rem;
}
.hero-stamp > span:last-child { display: grid; line-height: 1.2; }
.hero-stamp strong { font-size: .76rem; text-transform: uppercase; letter-spacing: .08em; }
.hero-stamp small { color: var(--steel); font-size: .68rem; }
.service-strip {
  position: absolute;
  z-index: 3;
  inset: auto 0 0;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1rem, 3vw, 3rem);
  color: var(--ink);
  background: var(--orange);
  font-size: .68rem;
  font-weight: 900;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.service-strip i { width: 4px; height: 4px; background: currentColor; transform: rotate(45deg); }

.section { padding: clamp(5rem, 9vw, 8rem) var(--pad); }
.section-heading, .method-intro, .method-steps, .areas-card {
  width: min(100%, var(--max));
  margin-inline: auto;
}
.section-heading { display: grid; grid-template-columns: 1.05fr .65fr; align-items: end; gap: 4rem; }
.section-heading h2, .method-intro h2, .areas h2 { font-size: clamp(3rem, 5.8vw, 5.8rem); }
.section-heading > p { max-width: 500px; margin: 0 0 .4rem; color: #586168; font-size: 1.04rem; }
.service-grid {
  width: min(100%, var(--max));
  margin: 4rem auto 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.service-card {
  position: relative;
  min-height: 380px;
  padding: 1.4rem clamp(1.1rem, 2.5vw, 2rem) 2rem;
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--line);
  overflow: hidden;
  transition: transform .25s ease, background-color .25s ease, color .25s ease;
}
.service-card:last-child { border-right: 1px solid var(--line); }
.service-card:hover { z-index: 2; transform: translateY(-8px); background: var(--white); }
.service-card-dark { color: var(--white); background: var(--ink-soft); }
.service-card-dark:hover { background: #252d32; }
.card-number { align-self: flex-end; color: var(--orange); font-size: .66rem; font-weight: 900; letter-spacing: .18em; }
.service-icon { width: 58px; height: 58px; margin-top: 3.3rem; color: var(--orange); }
.service-icon svg { width: 100%; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: square; stroke-linejoin: miter; }
.service-card h3 { margin: 2rem 0 .75rem; font-size: 1.25rem; line-height: 1.2; text-transform: uppercase; letter-spacing: .025em; }
.service-card p { margin: 0; color: #636d73; font-size: .92rem; }
.service-card-dark p { color: rgba(255,255,255,.6); }
.card-line { width: 42px; height: 3px; margin-top: auto; background: var(--orange); }

.symptoms { padding: 0 var(--pad); background: var(--paper); }
.symptoms-panel {
  width: min(100%, var(--max));
  margin: auto;
  padding: clamp(2.5rem, 6vw, 5.5rem);
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: clamp(3rem, 8vw, 8rem);
  color: var(--white);
  background: var(--orange);
}
.symptoms h2 { font-size: clamp(2.8rem, 4.8vw, 5rem); }
.symptoms-copy > p:not(.eyebrow) { max-width: 500px; margin: 1.5rem 0 2rem; color: rgba(255,255,255,.82); }
.symptoms .eyebrow > span { background: var(--ink); }
.button-light { color: var(--ink); background: var(--white); }
.symptom-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.3); }
.symptom-list li {
  min-height: 86px;
  padding: 1rem 0;
  display: grid;
  grid-template-columns: 55px 1fr;
  align-items: center;
  gap: 1rem;
  border-bottom: 1px solid rgba(255,255,255,.3);
}
.symptom-list span { color: var(--ink); font-size: .7rem; font-weight: 900; letter-spacing: .14em; }
.symptom-list strong { font-size: .98rem; line-height: 1.35; }

.method { background: var(--white); }
.method-intro { text-align: center; }
.method-intro .eyebrow { justify-content: center; }
.method-steps { margin-top: 4.2rem; display: grid; grid-template-columns: repeat(3, 1fr); }
.step {
  position: relative;
  min-height: 260px;
  padding: 2rem clamp(1.2rem, 3vw, 3rem);
  display: flex;
  gap: 1.25rem;
  border-left: 1px solid var(--line);
}
.step:last-child { border-right: 1px solid var(--line); }
.step::before { content: ""; position: absolute; top: 0; left: 0; width: 42px; height: 4px; background: var(--orange); }
.step-index { color: var(--orange-dark); font-size: .7rem; font-weight: 900; letter-spacing: .13em; }
.step h3 { margin: -.2rem 0 1rem; font-size: 1.35rem; text-transform: uppercase; }
.step p { margin: 0; color: #667077; font-size: .95rem; }

.projects { color: var(--white); background: var(--ink-soft); }
.projects .section-heading h2 { color: var(--white); }
.projects .section-heading > p { color: rgba(255,255,255,.62); }
.projects .eyebrow-dark { color: #ff6977; }
.project-grid {
  width: min(100%, var(--max));
  margin: 4rem auto 0;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1rem;
}
.project-card {
  position: relative;
  height: 290px;
  padding: 0;
  grid-column: span 4;
  color: var(--white);
  border: 0;
  background: #0c1013;
  overflow: hidden;
  cursor: zoom-in;
  text-align: left;
}
.project-card:nth-child(1) { grid-column: span 7; }
.project-card:nth-child(2) { grid-column: span 5; }
.project-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s cubic-bezier(.2,.7,.2,1), opacity .25s ease; }
.project-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(8,11,13,.82), transparent 56%); pointer-events: none; }
.project-card:hover img { transform: scale(1.035); opacity: .88; }
.project-caption { position: absolute; z-index: 2; left: 1.25rem; right: 4rem; bottom: 1.1rem; display: grid; gap: .1rem; }
.project-caption strong { font-size: .9rem; letter-spacing: .055em; line-height: 1.25; text-transform: uppercase; }
.project-caption small { color: rgba(255,255,255,.7); font-size: .76rem; }
.project-expand { position: absolute; z-index: 2; right: 1.1rem; bottom: 1rem; width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.5); font-size: 1.35rem; font-weight: 300; line-height: 1; }

.project-dialog {
  width: min(92vw, 1180px);
  max-width: none;
  max-height: 92vh;
  padding: 0;
  color: var(--white);
  border: 0;
  background: #090c0e;
  box-shadow: 0 24px 80px rgba(0,0,0,.55);
}
.project-dialog::backdrop { background: rgba(7,9,10,.88); backdrop-filter: blur(6px); }
.project-dialog figure { margin: 0; }
.project-dialog img { width: 100%; max-height: calc(92vh - 58px); object-fit: contain; }
.project-dialog figcaption { min-height: 58px; padding: 1rem 4.5rem 1rem 1.25rem; font-size: .84rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.dialog-close { position: absolute; z-index: 2; top: .75rem; right: .75rem; width: 42px; height: 42px; padding: 0; color: var(--white); border: 1px solid rgba(255,255,255,.45); background: rgba(9,12,14,.78); font-size: 1.8rem; line-height: 1; cursor: pointer; }

.commitment { padding: clamp(5rem, 9vw, 8rem) var(--pad); color: var(--white); background: var(--ink); }
.commitment-grid { width: min(100%, var(--max)); margin: auto; display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(3rem, 8vw, 8rem); }
.commitment-title { position: relative; min-height: 470px; display: flex; align-items: flex-end; overflow: hidden; }
.giant-b {
  position: absolute;
  top: -16%;
  left: -2%;
  color: rgba(255,255,255,.04);
  font-family: Impact, sans-serif;
  font-size: clamp(20rem, 42vw, 37rem);
  line-height: 1;
}
.commitment-title > div { position: relative; z-index: 2; padding-bottom: 1rem; }
.commitment h2 { max-width: 680px; font-size: clamp(3rem, 5.2vw, 5.5rem); }
.company-summary { align-self: center; }
.company-summary > p { margin: 0; color: rgba(255,255,255,.66); font-size: 1rem; line-height: 1.75; }
.company-summary > p + p { margin-top: 1.25rem; }
.company-summary .company-lead { color: var(--white); font-size: clamp(1.25rem, 2vw, 1.65rem); font-weight: 700; line-height: 1.45; }
.company-facts { margin-top: 2.4rem; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid rgba(255,255,255,.16); border-bottom: 1px solid rgba(255,255,255,.16); }
.company-facts div { min-width: 0; padding: 1.25rem 1rem 1.25rem 0; display: grid; gap: .15rem; }
.company-facts div + div { padding-left: 1rem; border-left: 1px solid rgba(255,255,255,.16); }
.company-facts strong { color: var(--orange); font-size: 1rem; letter-spacing: .04em; text-transform: uppercase; }
.company-facts span { color: rgba(255,255,255,.62); font-size: .74rem; line-height: 1.35; }

.areas { background: var(--paper); }
.areas-card {
  padding: clamp(2.5rem, 6vw, 5rem);
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 4rem;
  color: var(--white);
  background: var(--ink-soft);
}
.area-list { display: flex; flex-wrap: wrap; gap: .8rem; }
.area-list span { padding: .75rem 1rem; border: 1px solid rgba(255,255,255,.2); font-size: .8rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }

.cta { position: relative; padding: clamp(5rem, 10vw, 9rem) var(--pad); color: var(--white); background: var(--orange); overflow: hidden; }
.cta::after {
  content: "";
  position: absolute;
  right: -10vw;
  bottom: -24vw;
  width: 56vw;
  height: 56vw;
  border: 1px solid rgba(255,255,255,.16);
  transform: rotate(45deg);
}
.cta-inner { position: relative; z-index: 2; width: min(100%, var(--max)); margin: auto; }
.cta .eyebrow > span { background: var(--ink); }
.cta h2 { max-width: 900px; font-size: clamp(4rem, 8.5vw, 8.8rem); }
.cta-inner > p:not(.eyebrow) { max-width: 620px; margin: 1.75rem 0 2.5rem; font-size: 1.08rem; }
.contact-grid {
  max-width: 1050px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid rgba(16,20,23,.3);
  border-bottom: 1px solid rgba(16,20,23,.3);
}
.contact-card { min-width: 0; padding: 1.6rem 2rem 1.7rem 0; display: grid; gap: .35rem; }
.contact-card + .contact-card { padding-left: 2rem; border-left: 1px solid rgba(16,20,23,.3); }
.contact-name { color: rgba(16,20,23,.66); font-size: .76rem; font-weight: 900; letter-spacing: .18em; text-transform: uppercase; }
.contact-phone { width: fit-content; color: var(--ink); font-size: clamp(1.65rem, 3.4vw, 3.25rem); font-weight: 900; line-height: 1.1; letter-spacing: -.035em; text-decoration: none; }
.contact-email { width: fit-content; color: var(--ink); font-size: clamp(.9rem, 1.4vw, 1.05rem); font-weight: 700; overflow-wrap: anywhere; text-underline-offset: .25rem; }
.contact-phone:hover { color: var(--white); }

.site-footer { padding: 3.5rem var(--pad) 1.5rem; color: var(--ink); background: #e9e7e1; border-top: 1px solid rgba(16,20,23,.12); }
.footer-top, .footer-bottom { width: min(100%, var(--max)); margin: auto; }
.footer-top { padding-bottom: 3rem; display: grid; grid-template-columns: .8fr .75fr 1.45fr; align-items: center; gap: 2rem; }
.footer-top p { margin: 0; color: rgba(16,20,23,.58); font-size: .88rem; }
.footer-contacts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.6rem; }
.footer-contacts > div { min-width: 0; display: grid; gap: .15rem; }
.footer-contacts strong { color: var(--orange-dark); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; }
.footer-contacts a { width: fit-content; font-size: .84rem; font-weight: 700; line-height: 1.45; text-decoration: none; overflow-wrap: anywhere; }
.footer-contacts a:first-of-type { font-size: 1rem; font-weight: 900; }
.footer-contacts a:hover { color: var(--orange-dark); text-decoration: underline; text-underline-offset: .2rem; }
.footer-bottom { padding-top: 1.25rem; display: flex; justify-content: space-between; gap: 1rem; border-top: 1px solid rgba(16,20,23,.14); color: rgba(16,20,23,.5); font-size: .72rem; letter-spacing: .05em; }
.mobile-contacts { display: none; }

.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .65s ease, transform .65s cubic-bezier(.2,.7,.2,1); }
.reveal.visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .1s; }
.reveal[data-delay="2"] { transition-delay: .2s; }
.reveal[data-delay="3"] { transition-delay: .3s; }

@media (max-width: 1020px) {
  .hero-grid { grid-template-columns: 1fr .9fr; gap: 2.5rem; }
  .hero h1 { font-size: clamp(3.8rem, 7.7vw, 5.8rem); }
}

@media (max-width: 780px) {
  .nav-shell { min-height: 76px; gap: 1rem; }
  .brand-logo-header { width: 7.25rem; }
  .menu-toggle {
    min-width: 88px;
    height: 42px;
    padding: 0 .85rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .65rem;
    color: var(--white);
    border: 0;
    border-radius: 3px;
    background: var(--ink);
    font-size: .74rem;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
  }
  .menu-lines { position: relative; width: 18px; height: 12px; display: block; }
  .menu-lines i { position: absolute; left: 0; width: 18px; height: 2px; display: block; background: currentColor; transition: transform .2s ease, top .2s ease; }
  .menu-lines i:first-child { top: 2px; }
  .menu-lines i:last-child { top: 8px; }
  .menu-toggle[aria-expanded="true"] .menu-lines i:first-child { top: 5px; transform: rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-lines i:last-child { top: 5px; transform: rotate(-45deg); }
  .site-nav {
    position: fixed;
    z-index: 70;
    inset: 76px 0 auto;
    padding: .45rem var(--pad) 1.1rem;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    color: var(--ink);
    background: #ffffff;
    border-bottom: 1px solid rgba(16,20,23,.12);
    box-shadow: 0 18px 40px rgba(16,20,23,.2);
    overflow-y: auto;
    max-height: calc(100vh - 76px);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity .2s ease, transform .2s ease, visibility .2s;
  }
  .site-nav.open { visibility: visible; opacity: 1; transform: none; }
  .site-nav a { padding: .95rem .15rem; color: var(--ink); border-bottom: 1px solid rgba(16,20,23,.13); font-size: 1.02rem; font-weight: 800; }
  .site-nav .nav-call { margin-top: .85rem; padding: .9rem 1rem; color: var(--white); text-align: center; border: 1px solid var(--orange); border-radius: 3px; background: var(--orange); }
  .hero { min-height: auto; }
  .hero-grid { min-height: auto; padding-top: 120px; padding-bottom: 92px; grid-template-columns: 1fr; }
  .hero-copy { max-width: 620px; }
  .hero-photo-wrap { height: min(72vw, 520px); min-height: 380px; }
  .hero-proof { margin-top: 2.5rem; }
  .section-heading, .symptoms-panel, .commitment-grid, .areas-card { grid-template-columns: 1fr; gap: 2.5rem; }
  .section-heading { align-items: start; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 330px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .service-card:last-child { border-bottom: 0; }
  .method-steps { grid-template-columns: 1fr; }
  .step { min-height: auto; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .project-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .project-card, .project-card:nth-child(2) { height: 270px; grid-column: span 1; }
  .project-card:nth-child(1), .project-card:last-child { grid-column: span 2; }
  .commitment-title { min-height: 380px; }
  .company-summary { padding-bottom: 1rem; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-contacts { max-width: 560px; }
  .footer-bottom { flex-direction: column; }
}

@media (max-width: 540px) {
  body { padding-bottom: 68px; }
  .brand-logo-header { width: 7.25rem; }
  .brand-logo-footer { width: 11rem; }
  .hero-grid { padding-top: 124px; padding-bottom: 74px; }
  .hero h1 { max-width: 100%; font-size: clamp(2.65rem, 12vw, 3.6rem); line-height: .96; }
  .hero-lead { font-size: 1rem; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 1rem; }
  .button { width: 100%; }
  .text-link { text-align: center; }
  .hero-proof { grid-template-columns: 1fr; }
  .hero-proof div { padding: .7rem 0; }
  .hero-proof div + div { padding-left: 0; border-left: 0; border-top: 1px solid rgba(255,255,255,.24); }
  .hero-photo-wrap { min-height: 330px; clip-path: polygon(12% 0,100% 0,100% 100%,0 100%,0 13%); }
  .hero-stamp { right: .75rem; bottom: .75rem; }
  .service-strip { gap: .7rem; overflow: hidden; white-space: nowrap; justify-content: flex-start; padding-inline: 1rem; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card, .service-card:nth-child(2), .service-card:nth-child(3) { min-height: 330px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .service-card:last-child { border-bottom: 0; }
  .symptoms { padding-inline: 0; }
  .symptoms-panel { padding-inline: var(--pad); }
  .symptom-list li { grid-template-columns: 40px 1fr; }
  .project-grid { grid-template-columns: 1fr; }
  .project-card, .project-card:nth-child(1), .project-card:nth-child(2), .project-card:last-child { height: 250px; grid-column: auto; }
  .project-card:nth-child(3) { height: 360px; }
  .commitment-title { min-height: 320px; }
  .company-facts { grid-template-columns: 1fr; }
  .company-facts div { padding: 1rem 0; }
  .company-facts div + div { padding-left: 0; border-top: 1px solid rgba(255,255,255,.16); border-left: 0; }
  .areas { padding-inline: 0; }
  .areas-card { padding-inline: var(--pad); }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-card { padding: 1.3rem 0 1.4rem; }
  .contact-card + .contact-card { padding-left: 0; border-top: 1px solid rgba(16,20,23,.3); border-left: 0; }
  .contact-phone { font-size: clamp(1.75rem, 9vw, 2.5rem); }
  .footer-contacts { grid-template-columns: 1fr; gap: 1.2rem; }
  .mobile-contacts {
    position: fixed;
    z-index: 60;
    inset: auto 0 0;
    height: 68px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    color: var(--white);
    background: var(--orange);
    box-shadow: 0 -8px 28px rgba(0,0,0,.18);
  }
  .mobile-contacts a { min-width: 0; padding: .55rem .6rem; display: grid; place-content: center; text-align: center; text-decoration: none; }
  .mobile-contacts a + a { border-left: 1px solid rgba(255,255,255,.38); }
  .mobile-contacts small { font-size: .62rem; font-weight: 900; letter-spacing: .14em; line-height: 1.2; text-transform: uppercase; }
  .mobile-contacts span { font-size: .86rem; font-weight: 900; line-height: 1.3; white-space: nowrap; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}