/* ==========================================================================
   SOILS CONTROL INTERNATIONAL — PROPOSAL A: "BEDROCK"
   Editorial Engineering Authority
   ========================================================================== */

/* ---------- 1. RESET ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }
ul[class], ol[class] { list-style: none; margin: 0; padding: 0; }
img, picture { max-width: 100%; display: block; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

/* ---------- 2. DESIGN TOKENS ---------- */
:root{
  /* color */
  --ink:#14120F; --ink-2:#1C1914; --ink-3:#242019;
  --concrete:#8B8478; --concrete-light:#C9C3B4; --concrete-dark:#5E594E;
  --paper:#F5F2EA; --paper-dim:#EDE8DA; --paper-line:rgba(20,18,15,.13);
  --oxide:#C1502C; --oxide-deep:#9A3D20; --oxide-tint:#F1DCD2;
  --steel:#3E6E8E; --steel-light:#6B94AD; --steel-tint:#DCE6EA;
  --text-dark:#F2EEE3; --text-light:#211D16;
  --muted-dark:#A69C88; --muted-light:#6B6255;
  --line-dark:rgba(242,238,227,.14); --line-light:rgba(33,29,22,.14);

  /* type */
  --font-display:'Big Shoulders Display', sans-serif;
  --font-serif:'Source Serif 4', Georgia, serif;
  --font-mono:'IBM Plex Mono', ui-monospace, monospace;

  /* layout */
  --maxw:1440px;
  --gutter:clamp(24px, 5vw, 80px);
  --radius-sm:2px; --radius-md:4px;
  --ease:cubic-bezier(.16,.8,.28,1);
}
:root[data-theme]{ color-scheme: dark; }

body{
  background:var(--paper);
  color:var(--text-light);
  font-family:var(--font-serif);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{ background:var(--oxide); color:#fff; }

/* ---------- 3. TYPOGRAPHY ---------- */
h1,h2,h3,h4,.display{
  font-family:var(--font-display);
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:-.01em;
  line-height:.92;
}
.eyebrow{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--oxide);
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{ content:''; width:28px; height:1px; background:var(--oxide); }
.eyebrow.on-dark{ color:var(--steel-light); }
.eyebrow.on-dark::before{ background:var(--steel-light); }
.eyebrow .n{ color:var(--muted-light); }

p.lede{ font-size:1.2rem; line-height:1.6; color:var(--muted-light); max-width:60ch; }
.mono{ font-family:var(--font-mono); font-variant-numeric:tabular-nums; }

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, [tabindex]:focus-visible{
  outline:2px solid var(--oxide); outline-offset:3px;
}

/* ---------- 4. LAYOUT ---------- */
.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 var(--gutter); }
.grid-12{ display:grid; grid-template-columns:repeat(12, 1fr); gap:24px; }
section{ position:relative; }
.section-pad{ padding:clamp(72px,10vw,160px) 0; }
.on-dark{ background:var(--ink); color:var(--text-dark); }
.on-dark .muted{ color:var(--muted-dark); }
.on-light .muted, .muted{ color:var(--muted-light); }
.on-dark p.lede{ color:var(--muted-dark); }

.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--font-mono); font-size:.82rem; font-weight:500; letter-spacing:.04em;
  text-transform:uppercase;
  padding:16px 28px; border-radius:var(--radius-sm);
  border:1px solid transparent;
  transition:transform .25s var(--ease), background .25s ease, border-color .25s ease, color .25s ease;
}
.btn:hover{ transform:translateY(-2px); }
.btn-primary{ background:var(--oxide); color:#fff; }
.btn-primary:hover{ background:var(--oxide-deep); }
.btn-line{ border-color:currentColor; }
.btn-line.on-dark-btn{ color:var(--text-dark); border-color:var(--line-dark); }
.btn-line.on-dark-btn:hover{ border-color:var(--text-dark); }
.btn-line.on-light-btn{ color:var(--text-light); border-color:var(--line-light); }
.btn-line.on-light-btn:hover{ border-color:var(--text-light); }
.btn svg{ width:14px; height:14px; transition:transform .25s var(--ease); }
.btn:hover svg{ transform:translateX(4px); }

/* ---------- 5. HEADER / NAV ---------- */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:500;
  padding:16px 0;
  background:var(--paper);
  border-bottom:1px solid var(--paper-line);
  box-shadow:0 1px 0 var(--paper-line);
  transition:padding .35s ease;
}
.site-header.scrolled{ padding:12px 0; }
.header-inner{ display:flex; align-items:center; justify-content:space-between; gap:32px; }
.brand{ display:flex; align-items:center; gap:12px; color:var(--text-light); }
.brand-logo{ height:40px; width:auto; background:var(--paper); border-radius:var(--radius-sm); padding:6px 10px; }
.site-header .brand-logo{ background:none; padding:0; }

.main-nav{ display:flex; align-items:center; gap:8px; }
.main-nav a{
  font-family:var(--font-mono); font-size:.78rem; letter-spacing:.03em; text-transform:uppercase;
  color:var(--muted-light); padding:10px 16px; position:relative;
  transition:color .2s ease;
}
.main-nav a:hover, .main-nav a.active{ color:var(--text-light); }
.main-nav a::after{
  content:''; position:absolute; left:16px; right:16px; bottom:4px; height:1px;
  background:var(--oxide); transform:scaleX(0); transform-origin:left; transition:transform .25s var(--ease);
}
.main-nav a:hover::after, .main-nav a.active::after{ transform:scaleX(1); }

.header-actions{ display:flex; align-items:center; gap:18px; }
.header-phone{ font-family:var(--font-mono); font-size:.8rem; color:var(--muted-light); white-space:nowrap; display:flex; align-items:center; gap:8px; }
.header-phone:hover{ color:var(--text-light); }
.nav-toggle{ display:none; background:none; border:1px solid var(--line-light); color:var(--text-light); width:42px; height:42px; border-radius:var(--radius-sm); align-items:center; justify-content:center; }
.nav-toggle span{ display:block; width:18px; height:1px; background:var(--text-light); position:relative; }
.nav-toggle span::before, .nav-toggle span::after{ content:''; position:absolute; left:0; width:18px; height:1px; background:var(--text-light); transition:transform .25s ease; }
.nav-toggle span::before{ top:-6px; } .nav-toggle span::after{ top:6px; }

.mobile-nav{ display:none; position:fixed; inset:0; z-index:600; background:var(--ink); flex-direction:column; padding:24px var(--gutter) 40px; overflow-y:auto; }
.mobile-nav.open{ display:flex; }
.mobile-nav-top{ display:flex; justify-content:space-between; align-items:center; margin-bottom:48px; }
.mobile-nav a{ font-family:var(--font-display); font-size:2rem; text-transform:uppercase; color:#fff; padding:14px 0; border-bottom:1px solid var(--line-dark); }
.mobile-nav-close{ background:none; border:1px solid var(--line-dark); color:#fff; width:42px; height:42px; border-radius:var(--radius-sm); }

/* ---------- 6. HERO ---------- */
.hero{ background:var(--ink); color:var(--text-dark); overflow:hidden; }
.hero-media{ position:relative; height:100vh; min-height:680px; display:flex; align-items:flex-end; }
.hero-media .photo{ position:absolute; inset:0; z-index:0; }
.hero-media .photo img{ width:100%; height:100%; object-fit:cover; transform:scale(1.06); will-change:transform; }
.hero-media .scrim{ position:absolute; inset:0; z-index:1;
  background:
    linear-gradient(180deg, rgba(12,12,11,.48) 0%, rgba(12,12,11,.34) 34%, rgba(12,12,11,.68) 72%, #0c0c0b 100%),
    linear-gradient(90deg, rgba(12,12,11,.92) 0%, rgba(12,12,11,.72) 42%, rgba(12,12,11,.44) 72%, rgba(12,12,11,.36) 100%);
}
.hero-grain{ position:absolute; inset:0; z-index:2; opacity:.07; mix-blend-mode:overlay; pointer-events:none; }
.hero-content{ position:relative; z-index:3; width:100%; padding-bottom:clamp(56px,8vw,96px); padding-top:112px; }
.hero-kicker{ margin-bottom:22px; }
.hero h1{
  font-size:clamp(2rem, 4.4vw, 3.6rem);
  max-width:19ch;
  color:#fff;
}
.hero h1 em{ font-style:normal; color:var(--oxide); }
.hero-sub{ margin-top:22px; max-width:52ch; }
.hero-sub p{ font-size:1.08rem; color:rgba(242,238,227,.82); }
.hero-cta{ display:flex; gap:16px; flex-wrap:wrap; margin-top:32px; }

.hero-strip{
  position:relative; z-index:3; border-top:1px solid rgba(255,255,255,.14); background:#0c0c0b;
  display:grid; grid-template-columns:repeat(4,1fr);
}
.hero-strip .cell{ min-height:112px; padding:25px var(--gutter) 23px; border-right:1px solid rgba(255,255,255,.12); background:#0c0c0b; display:flex; flex-direction:column; justify-content:center; }
.hero-strip .cell:last-child{ border-right:none; }
.hero-strip .cell b{ display:block; font-family:var(--font-display); font-size:clamp(2.2rem,3.4vw,3.3rem); line-height:.86; color:#fff; font-weight:700; font-variant-numeric:tabular-nums; }
.hero-strip .cell > span:last-child{ margin-top:10px; font-family:var(--font-mono); font-size:.68rem; line-height:1.3; letter-spacing:.08em; text-transform:uppercase; color:var(--concrete-light); }

/* ---------- 6b. GLOBAL REACH ---------- */
.global-reach{ background:var(--ink); border-top:1px solid var(--line-dark); border-bottom:1px solid var(--line-dark); padding:16px 24px; text-align:center; }
.global-reach p{ font-family:var(--font-mono); font-size:.82rem; letter-spacing:.02em; color:var(--text-dark); margin:0; max-width:900px; margin-inline:auto; }
.global-reach strong{ color:var(--oxide); font-weight:600; }

/* ---------- 7. SECTOR TICKER ---------- */
.ticker{ background:var(--paper-dim); border-bottom:1px solid var(--paper-line); overflow:hidden; padding:16px 0; }
.ticker-track{ display:flex; width:max-content; animation:ticker 34s linear infinite; }
.ticker-track span{ font-family:var(--font-mono); font-size:.78rem; letter-spacing:.05em; text-transform:uppercase; color:var(--muted-light); padding:0 26px; white-space:nowrap; border-right:1px solid var(--paper-line); }
@keyframes ticker{ from{ transform:translateX(0); } to{ transform:translateX(-50%); } }
.ticker:hover .ticker-track{ animation-play-state:paused; }

/* ---------- 8. STAT SPREAD ---------- */
.stat-spread{ background:var(--paper); }
.stat-spread .head{ grid-column:1/8; }
.head p{ margin-top:20px; }
.stat-row{ grid-column:1/13; margin-top:64px; display:grid; grid-template-columns:repeat(4,1fr); border-top:1px solid var(--paper-line); }
.stat-row .item{ padding:40px var(--gutter) 8px 0; border-right:1px solid var(--paper-line); }
.stat-row .item:last-child{ border-right:none; }
.stat-row .item b{ display:block; font-family:var(--font-display); font-size:clamp(2.6rem,5vw,4.6rem); color:var(--text-light); }
.stat-row .item b sup{ font-size:.4em; color:var(--oxide); top:-.5em; }
.stat-row .item p{ font-size:.92rem; color:var(--muted-light); max-width:26ch; margin-top:10px; }

/* ---------- 9. INDUSTRIES RAIL ---------- */
.industries{ background:var(--ink); color:var(--text-dark); }
.industries .head{ grid-column:1/7; }
.rail{ grid-column:1/13; margin-top:56px; display:flex; gap:1px; overflow-x:auto; scroll-snap-type:x proximity; padding-bottom:12px; background:var(--line-dark); }
.rail::-webkit-scrollbar{ height:6px; }
.rail::-webkit-scrollbar-thumb{ background:var(--concrete-dark); }
.rail-card{
  scroll-snap-align:start; flex:0 0 320px; position:relative; padding:28px 26px;
  display:flex; flex-direction:column; justify-content:flex-end; min-height:400px;
  overflow:hidden; isolation:isolate;
}
.rail-card img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; z-index:-2; transition:transform .5s var(--ease); }
.rail-card:hover img{ transform:scale(1.06); }
.rail-card::after{ content:''; position:absolute; inset:0; z-index:-1;
  background:linear-gradient(0deg, rgba(20,18,15,.96) 0%, rgba(20,18,15,.5) 55%, rgba(20,18,15,.15) 100%); }
.rail-card .idx{ font-family:var(--font-mono); font-size:.72rem; color:var(--steel-light); }
.rail-card h3{ font-size:1.5rem; margin-top:10px; text-transform:none; letter-spacing:0; font-weight:700; color:#fff; }
.rail-card p{ font-family:var(--font-serif); font-size:.9rem; color:rgba(242,238,227,.78); margin-top:10px; }
.rail-card .accent-bar{ position:absolute; top:0; left:0; right:0; height:3px; z-index:1; }

/* ---------- 10. HOW IT WORKS (scrollytelling) ---------- */
.how{ background:var(--paper); }
.how-grid{ grid-column:1/13; display:grid; grid-template-columns:1fr 1fr; gap:80px; align-items:start; }
.how-media{ position:sticky; top:110px; aspect-ratio:4/5; border-radius:var(--radius-md); overflow:hidden; background:var(--ink); }
.how-media img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; opacity:0; transition:opacity .5s ease; }
.how-media img.active{ opacity:1; }
.how-steps{ display:flex; flex-direction:column; gap:0; }
.how-step{ padding:56px 0; border-top:1px solid var(--paper-line); opacity:.4; transition:opacity .4s ease; }
.how-step:last-child{ border-bottom:1px solid var(--paper-line); }
.how-step.active{ opacity:1; }
.how-step .num{ font-family:var(--font-mono); font-size:.8rem; color:var(--oxide); }
.how-step h3{ font-size:clamp(1.6rem,2.4vw,2.2rem); text-transform:none; letter-spacing:0; margin-top:14px; }
.how-step p{ margin-top:16px; max-width:48ch; }

/* ---------- 11. BEFORE / AFTER ---------- */
.proof{ background:var(--ink); color:var(--text-dark); }
.proof .head{ grid-column:1/8; margin-bottom:56px; }
.compare-wrap{ grid-column:1/13; position:relative; aspect-ratio:16/8; border-radius:var(--radius-md); overflow:hidden; }
.compare{ position:relative; width:100%; height:100%; cursor:ew-resize; user-select:none; }
.compare .layer{ position:absolute; inset:0; }
.compare .layer img{ width:100%; height:100%; object-fit:cover; }
.compare .after{ clip-path:inset(0 0 0 var(--split,50%)); }
.compare .handle{ position:absolute; top:0; bottom:0; left:var(--split,50%); width:2px; background:#fff; transform:translateX(-1px); pointer-events:none; }
.compare .handle::after{ content:''; position:absolute; top:50%; left:50%; transform:translate(-50%,-50%); width:52px; height:52px; border-radius:50%; background:#fff; box-shadow:0 12px 30px rgba(0,0,0,.4); }
.compare .handle::before{ content:'⇔'; position:absolute; top:50%; left:50%; transform:translate(-50%,-50%); z-index:2; color:var(--ink); font-size:1.1rem; }
.compare-tag{ position:absolute; bottom:24px; font-family:var(--font-mono); font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; padding:8px 14px; background:rgba(20,18,15,.7); color:#fff; z-index:2; pointer-events:none; }
.compare-tag.left{ left:24px; } .compare-tag.right{ right:24px; }
.corner{ position:absolute; width:20px; height:20px; z-index:3; pointer-events:none; }
.corner.tl{ top:16px; left:16px; border-top:1.5px solid rgba(255,255,255,.7); border-left:1.5px solid rgba(255,255,255,.7); }
.corner.tr{ top:16px; right:16px; border-top:1.5px solid rgba(255,255,255,.7); border-right:1.5px solid rgba(255,255,255,.7); }
.corner.bl{ bottom:16px; left:16px; border-bottom:1.5px solid rgba(255,255,255,.7); border-left:1.5px solid rgba(255,255,255,.7); }
.corner.br{ bottom:16px; right:16px; border-bottom:1.5px solid rgba(255,255,255,.7); border-right:1.5px solid rgba(255,255,255,.7); }

/* ---------- 12. PRODUCTS ---------- */
.products{ background:var(--paper); }
.products .head{ grid-column:1/8; }
.product-list{ grid-column:1/13; margin-top:56px; }
.product-row{
  display:grid; grid-template-columns:140px 80px 1.6fr 2.2fr 1fr; gap:28px; align-items:center;
  padding:24px 0; border-top:1px solid var(--paper-line); cursor:pointer;
}
.product-list > .product-row:last-child{ border-bottom:1px solid var(--paper-line); }
.product-row .thumb{ width:140px; height:96px; border-radius:var(--radius-md); overflow:hidden; background:var(--ink); position:relative; }
.product-row .thumb img{ width:100%; height:100%; object-fit:cover; transition:transform .4s var(--ease); }
.product-row:hover .thumb img{ transform:scale(1.08); }
.product-row .code{ font-family:var(--font-mono); font-size:.72rem; color:var(--oxide); }
.product-row h3{ font-size:1.4rem; text-transform:none; letter-spacing:0; font-weight:700; }
.product-row .tagline{ font-family:var(--font-mono); font-size:.74rem; color:var(--muted-light); text-transform:uppercase; letter-spacing:.02em; margin-top:6px; }
.product-row .desc{ font-size:.94rem; color:var(--muted-light); max-width:52ch; }
.product-row .arrow{ justify-self:end; width:36px; height:36px; border-radius:50%; border:1px solid var(--line-light); display:flex; align-items:center; justify-content:center; transition:.3s var(--ease); }
.product-row:hover .arrow{ background:var(--ink); border-color:var(--ink); }
.product-row:hover .arrow svg{ stroke:#fff; transform:rotate(45deg); }
.product-row .arrow svg{ width:14px; height:14px; transition:transform .3s var(--ease); }
@media(max-width:860px){ .product-row{ grid-template-columns:1fr; gap:14px; } .product-row .thumb{ width:100%; height:160px; } .product-row .arrow{ display:none; } }

.product-list.no-thumbs .product-row{ grid-template-columns:100px 1.6fr 2.2fr 1fr; }
@media(max-width:860px){ .product-list.no-thumbs .product-row{ grid-template-columns:1fr; } }

/* ---------- 13. CASE STUDY ---------- */
.case-study{ background:var(--ink); color:var(--text-dark); padding:0; }
.case-media{ position:relative; height:82vh; min-height:560px; }
.case-media img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.case-media::after{ content:''; position:absolute; inset:0; background:linear-gradient(0deg, rgba(20,18,15,.95) 0%, rgba(20,18,15,.25) 55%, transparent 80%); }
.case-copy{ position:relative; z-index:1; margin-top:-220px; padding-bottom:80px; }
.case-copy .grid-12{ align-items:end; }
.case-copy .lead-col{ grid-column:1/8; }
.case-copy h2{ font-size:clamp(2.2rem,4.4vw,4rem); color:#fff; text-transform:none; letter-spacing:0; }
.case-copy p{ margin-top:20px; max-width:58ch; color:rgba(242,238,227,.85); }
.case-stats{ grid-column:9/13; display:flex; flex-direction:column; gap:22px; }
.case-stats .cs-item b{ display:block; font-family:var(--font-display); font-size:2.2rem; color:#fff; }
.case-stats .cs-item span{ font-family:var(--font-mono); font-size:.68rem; text-transform:uppercase; letter-spacing:.06em; color:var(--steel-light); }

/* ---------- 14. TESTIMONIALS ---------- */
.testimonials{ position:relative; overflow:hidden; }
.testi-bg{ position:absolute; inset:0; z-index:0; }
.testi-bg img{ width:100%; height:100%; object-fit:cover; }
.testi-bg::after{ content:''; position:absolute; inset:0; background:rgba(237,232,218,.72); }
.testimonials .wrap{ position:relative; z-index:1; }
.quote-row{ grid-column:1/13; display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--paper-line); border:1px solid var(--paper-line); margin-top:56px; }
.quote-card{ background:var(--paper); padding:40px; border-left:3px solid var(--oxide); }
.quote-card:nth-child(2n){ border-left-color:var(--steel); }
.quote-card .mark{ font-family:var(--font-serif); font-size:3rem; color:var(--oxide); line-height:.5; display:block; margin-bottom:18px; }
.quote-card p{ font-family:var(--font-serif); font-size:1.2rem; line-height:1.6; font-style:italic; }
.quote-card footer{ margin-top:22px; font-family:var(--font-mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.05em; color:var(--muted-light); }

/* ---------- 15. ENVIRONMENTAL ---------- */
.enviro{ position:relative; color:var(--text-dark); overflow:hidden; }
.enviro-bg{ position:absolute; inset:0; z-index:0; }
.enviro-bg img{ width:100%; height:100%; object-fit:cover; }
.enviro-bg::after{ content:''; position:absolute; inset:0; background:linear-gradient(100deg, rgba(20,18,15,.97) 0%, rgba(20,18,15,.86) 55%, rgba(30,60,45,.6) 100%); }
.enviro .wrap{ position:relative; z-index:1; }
.enviro-grid{ grid-column:1/13; display:grid; grid-template-columns:1.1fr .9fr; gap:80px; align-items:start; }
.enviro-copy h2{ font-size:clamp(2.2rem,4vw,3.6rem); color:#fff; }
.enviro-copy p.lede{ margin-top:24px; }
.enviro-list{ margin-top:8px; }
.enviro-item{ display:flex; gap:20px; padding:24px 0; border-top:1px solid var(--line-dark); }
.enviro-item .ei-num{ font-family:var(--font-mono); font-size:.78rem; color:var(--steel-light); flex:none; padding-top:2px; }
.enviro-item b{ display:block; font-family:var(--font-display); font-size:1.15rem; text-transform:none; letter-spacing:0; color:#fff; }
.enviro-item p{ font-size:.92rem; color:var(--muted-dark); margin-top:6px; }

/* ---------- 16. WHY / FOUNDER / RECOGNITION ---------- */
.why{ background:var(--paper); }
.why-grid{ grid-column:1/13; display:grid; grid-template-columns:1.2fr .8fr; gap:80px; align-items:start; }
.why-copy h2{ font-size:clamp(2.2rem,4vw,3.6rem); }
.why-copy p.lede{ margin-top:24px; }
.credential-strip{ margin-top:36px; display:flex; flex-wrap:wrap; gap:10px; }
.credential-strip span{
  font-family:var(--font-mono); font-size:.74rem; letter-spacing:.03em; text-transform:uppercase;
  padding:9px 16px; border:1px solid var(--line-light); border-radius:999px; color:var(--text-light);
  background:var(--paper-dim);
}
.recognition-panel{ background:var(--ink); color:var(--text-dark); padding:36px; }
.recognition-panel h3{ font-family:var(--font-mono); font-size:.72rem; letter-spacing:.1em; text-transform:uppercase; color:var(--steel-light); margin-bottom:26px; }
.recognition-item{ padding:16px 0; border-top:1px solid var(--line-dark); font-size:.94rem; }
.recognition-item:first-of-type{ border-top:none; }

/* ---------- 17. FAQ ---------- */
.faq{ background:var(--paper-dim); }
.faq-list{ grid-column:1/9; margin-top:16px; }
.faq-item{ border-top:1px solid var(--paper-line); }
.faq-list .faq-item:last-child{ border-bottom:1px solid var(--paper-line); }
.faq-q{ width:100%; display:flex; justify-content:space-between; align-items:center; gap:24px; padding:26px 0; background:none; border:none; text-align:left; font-family:var(--font-display); font-size:1.2rem; text-transform:none; letter-spacing:0; color:var(--text-light); }
.faq-q .plus{ flex:none; width:28px; height:28px; border-radius:50%; border:1px solid var(--line-light); position:relative; transition:.3s var(--ease); }
.faq-q .plus::before, .faq-q .plus::after{ content:''; position:absolute; background:var(--text-light); top:50%; left:50%; transform:translate(-50%,-50%); }
.faq-q .plus::before{ width:10px; height:1.5px; } .faq-q .plus::after{ width:1.5px; height:10px; transition:transform .3s ease; }
.faq-item.open .plus::after{ transform:translate(-50%,-50%) scaleY(0); }
.faq-item.open .plus{ background:var(--ink); border-color:var(--ink); }
.faq-item.open .plus::before, .faq-item.open .plus::after{ background:#fff; }
.faq-a{ max-height:0; overflow:hidden; transition:max-height .4s var(--ease); }
.faq-a p{ padding:0 0 26px; max-width:64ch; color:var(--muted-light); }

/* ---------- 18. CONTACT ---------- */
.contact{ background:var(--ink); color:var(--text-dark); overflow:hidden; }
.contact-full{ min-height:100vh; padding-top:clamp(150px,16vw,210px); }
.contact-full .contact-media::after{ background:linear-gradient(100deg,rgba(18,17,14,.97) 0%,rgba(18,17,14,.82) 50%,rgba(18,17,14,.64) 100%); }
.contact-full .contact-copy h1{ color:#fff; font-size:clamp(3.5rem,7vw,6.5rem); line-height:.92; margin-top:22px; }
.contact-full .contact-form{ position:relative; z-index:2; }
.contact-full .contact-form h2{ color:#fff; font-size:clamp(2rem,3vw,2.8rem); text-transform:none; letter-spacing:0; }
.contact-form .alert{ font-family:var(--font-serif); font-size:.96rem; }
.contact-form .g-recaptcha{ margin-top:4px; }
.privacy-consent{ display:grid; grid-template-columns:20px minmax(0,1fr); gap:12px; align-items:start; margin-top:4px; padding:16px; border:1px solid var(--line-dark); background:rgba(242,238,227,.04); border-radius:var(--radius-sm); }
.privacy-consent input{ width:18px; height:18px; margin:3px 0 0; accent-color:var(--oxide); cursor:pointer; }
.privacy-consent label{ color:var(--concrete-light); font-family:var(--font-serif); font-size:.9rem; line-height:1.45; cursor:pointer; }
.privacy-consent a{ color:#fff; text-decoration:underline; text-decoration-color:var(--oxide); text-underline-offset:3px; }
.privacy-consent a:hover{ color:var(--oxide-tint); }
.contact-media{ position:absolute; inset:0; z-index:0; }
.contact-media img{ width:100%; height:100%; object-fit:cover; }
.contact-media::after{ content:''; position:absolute; inset:0; background:linear-gradient(100deg, rgba(20,18,15,.97) 0%, rgba(20,18,15,.82) 45%, rgba(97,53,29,.55) 100%); }
.contact .grid-12{ position:relative; z-index:1; }
.contact-copy{ grid-column:1/6; }
.contact-copy h2{ font-size:clamp(2.2rem,4vw,3.6rem); color:#fff; }
.contact-copy p{ margin-top:22px; }
.contact-meta{ margin-top:36px; display:flex; flex-direction:column; gap:16px; }
.contact-meta .cm-label{ font-family:var(--font-mono); font-size:.68rem; letter-spacing:.08em; text-transform:uppercase; color:var(--steel-light); }
.contact-meta .cm-val{ font-family:var(--font-display); font-size:1.2rem; text-transform:none; letter-spacing:0; color:#fff; }

.contact-form{ grid-column:7/13; background:rgba(20,18,15,.55); border:1px solid var(--line-dark); backdrop-filter:blur(10px); padding:44px; border-radius:var(--radius-md); }
.contact-form h3{ font-size:1.4rem; text-transform:none; letter-spacing:0; color:#fff; margin-bottom:6px; }
.contact-form .form-sub{ font-family:var(--font-mono); font-size:.8rem; color:var(--muted-dark); }
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.field{ margin-top:22px; }
.field label{ display:block; font-family:var(--font-mono); font-size:.68rem; letter-spacing:.08em; text-transform:uppercase; color:var(--muted-dark); margin-bottom:8px; }
.field input, .field textarea, .field select{
  width:100%; background:rgba(242,238,227,.05); border:1px solid var(--line-dark); border-radius:var(--radius-sm);
  padding:13px 14px; color:#fff; font-family:var(--font-serif); font-size:.98rem; transition:border-color .2s ease, background .2s ease;
}
.field input::placeholder, .field textarea::placeholder{ color:var(--muted-dark); }
.field input:focus, .field textarea:focus, .field select:focus{ outline:none; border-color:var(--oxide); background:rgba(242,238,227,.08); }
.field textarea{ resize:vertical; min-height:100px; }
.contact-form .btn{ width:100%; justify-content:center; margin-top:28px; }
.form-note{ font-family:var(--font-mono); font-size:.7rem; color:var(--muted-dark); text-align:center; margin-top:16px; }
.form-success{ display:none; text-align:center; padding:20px 0; }
.form-success.show{ display:block; }
.form-success .check{ width:48px; height:48px; border-radius:50%; background:var(--oxide); color:#fff; display:flex; align-items:center; justify-content:center; margin:0 auto 18px; font-size:1.3rem; }

/* ---------- 19. FOOTER ---------- */
.site-footer{ background:#0c0c0b; color:var(--muted-dark); padding:80px 0 32px; border-top:1px solid rgba(255,255,255,.1); }
.site-footer .footer-top{ row-gap:48px; padding-bottom:48px; border-bottom:1px solid var(--line-dark); }
.site-footer .footer-brand{ padding-right:clamp(24px,5vw,72px); }
.footer-brand p{ margin-top:18px; max-width:38ch; font-size:.92rem; }
.footer-col h5{ font-family:var(--font-mono); font-size:.68rem; letter-spacing:.1em; text-transform:uppercase; color:var(--steel-light); margin-bottom:18px; }
.footer-col a{ display:block; padding:7px 0; font-size:.92rem; color:var(--muted-dark); transition:color .2s ease; }
.footer-col a:hover{ color:#fff; }
.site-footer .footer-bottom{ padding-top:26px; font-family:var(--font-mono); font-size:.7rem; line-height:1.6; letter-spacing:.03em; }
.footer-social{ display:flex; gap:14px; }
.footer-social a{ width:34px; height:34px; border:1px solid var(--line-dark); border-radius:50%; display:flex; align-items:center; justify-content:center; }
.footer-social a:hover{ border-color:#fff; color:#fff; }
.footer-legal-link{ color:var(--concrete-light); transition:color .2s ease; }
.footer-legal-link:hover{ color:#fff; }

/* ---------- 20. PRIVACY POLICY ---------- */
.legal-hero{ background:#0c0c0b; color:var(--text-dark); padding:clamp(150px,17vw,230px) 0 clamp(72px,9vw,120px); overflow:hidden; }
.legal-hero::after{ content:''; position:absolute; inset:auto -8% -45% 42%; height:420px; background:radial-gradient(circle,rgba(193,80,44,.22),transparent 66%); pointer-events:none; }
.legal-hero .legal-heading{ position:relative; z-index:1; }
.legal-hero h1{ max-width:10ch; margin-top:24px; font-size:clamp(4rem,9vw,8rem); color:#fff; }
.legal-hero p{ max-width:60ch; margin-top:28px; color:var(--concrete-light); }
.legal-date{ margin-top:36px; font-family:var(--font-mono); font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; color:var(--steel-light); }
.legal-body{ padding:clamp(72px,9vw,128px) 0; background:var(--paper); }
.legal-sidebar{ position:sticky; top:130px; }
.legal-sidebar p{ max-width:27ch; color:var(--muted-light); font-size:.94rem; }
.legal-sidebar a{ display:inline-flex; margin-top:22px; color:var(--oxide); font-family:var(--font-mono); font-size:.74rem; letter-spacing:.05em; text-transform:uppercase; }
.legal-content{ max-width:760px; }
.legal-section{ padding:0 0 48px; margin-bottom:48px; border-bottom:1px solid var(--paper-line); }
.legal-section:last-child{ margin-bottom:0; border-bottom:0; }
.legal-section h2{ margin-bottom:22px; font-size:clamp(1.8rem,3vw,2.6rem); text-transform:none; letter-spacing:0; }
.legal-section h3{ margin:28px 0 10px; font-size:1.25rem; text-transform:none; letter-spacing:0; }
.legal-section p + p{ margin-top:16px; }
.legal-section ul{ margin:18px 0 0; padding-left:22px; color:var(--muted-light); }
.legal-section li + li{ margin-top:9px; }
.legal-section a{ color:var(--oxide-deep); text-decoration:underline; text-underline-offset:3px; }

/* ---------- 21. REVEAL / SCROLL PROGRESS ---------- */
.reveal{ opacity:0; transform:translateY(28px); transition:opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in{ opacity:1; transform:translateY(0); }
#scrollProgress{ position:fixed; top:0; left:0; height:2px; width:0%; z-index:900; background:var(--oxide); }

/* ---------- 22. RESPONSIVE ---------- */
@media(max-width:1080px){
  .main-nav, .header-phone{ display:none; }
  .nav-toggle{ display:flex; }
  .stat-row{ grid-template-columns:repeat(2,1fr); }
  .stat-row .item:nth-child(2n){ border-right:none; }
  .how-grid, .enviro-grid, .why-grid{ grid-template-columns:1fr; gap:48px; }
  .how-media{ position:relative; top:0; aspect-ratio:16/9; }
  .quote-row{ grid-template-columns:1fr; }
  .case-copy .lead-col{ grid-column:1/13; } .case-stats{ grid-column:1/13; flex-direction:row; flex-wrap:wrap; margin-top:24px; }
  .contact-copy{ grid-column:1/13; } .contact-form{ grid-column:1/13; margin-top:40px; }
  .faq-list{ grid-column:1/13; }
  .legal-sidebar{ position:static; margin-bottom:48px; }
}
@media(max-width:640px){
  .hero-strip{ grid-template-columns:repeat(2,1fr); }
  .hero-strip .cell:nth-child(2n){ border-right:none; }
  .field-row{ grid-template-columns:1fr; }
  .contact-form{ padding:28px 20px; }
  .contact-form .g-recaptcha{ transform:scale(.88); transform-origin:left top; margin-bottom:-8px; }
  .product-row{ padding:24px 0; }
  .case-copy{ margin-top:-120px; }
}