/* ============================================================
   DEMSEN — shared design system
   Monochrome, editorial, authoritative.
   Fraunces (serif display) · Inter Tight (body) · JetBrains Mono (labels)
   ============================================================ */

:root{
  /* surfaces */
  --bg:      #FAFAF9;   /* warm off-white */
  --panel:   #F2F1ED;   /* subtly raised */
  --dark:    #111110;   /* near-black sections */
  --dark-2:  #1B1B19;

  /* ink */
  --ink:   #111110;     /* headings / primary */
  --body:  #3D3C37;     /* body copy */
  --muted: #706F67;     /* labels, secondary */

  /* on dark */
  --on-dark:       #FAFAF9;
  --on-dark-body:  rgba(250,250,249,.70);
  --on-dark-muted: rgba(250,250,249,.45);

  /* hairlines */
  --line:        #E4E2DD;
  --line-strong: #D3D0CA;
  --line-dark:   rgba(250,250,249,.16);
  --line-dark-2: rgba(250,250,249,.26);

  /* type */
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans:  "Inter Tight", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono:  "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* scale — strong contrast between big serif + small mono */
  --fs-eyebrow: .6875rem;   /* 11px */
  --fs-sm:      .875rem;    /* 14px */
  --fs-body:    1rem;       /* 16px */
  --fs-lede:    1.1875rem;  /* 19px */
  --fs-h3:      clamp(1.3rem, 1.05rem + .8vw, 1.7rem);
  --fs-h2:      clamp(2rem, 1.3rem + 2.7vw, 3.25rem);
  --fs-display: clamp(2.75rem, 1.55rem + 4.9vw, 5.25rem);

  /* spacing (8px base) */
  --s-1:8px; --s-2:16px; --s-3:24px; --s-4:32px;
  --s-5:48px; --s-6:64px; --s-7:96px; --s-8:128px;

  --header-h: 70px;
  --maxw: 1200px;
  --gutter: clamp(22px, 5vw, 56px);
  --measure: 66ch;

  --r-sm:8px; --r-md:12px; --r-lg:16px; --r-phone:30px;

  --ease: cubic-bezier(.22,.61,.36,1);
  --fast:.2s;
}

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

html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; scroll-padding-top:calc(var(--header-h) + 24px); }
body{
  margin:0; background:var(--bg); color:var(--body);
  font-family:var(--sans); font-weight:400;
  font-size:var(--fs-body); line-height:1.65;
  font-kerning:normal; font-feature-settings:"kern" 1,"liga" 1,"calt" 1;
  -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility; overflow-x:hidden;
}
body.menu-open{ overflow:hidden; }

img{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; background:none; border:0; }
::selection{ background:rgba(17,17,16,.14); }

:focus{ outline:none; }
:focus-visible{ outline:2px solid var(--ink); outline-offset:3px; border-radius:2px; }
.hero :focus-visible, .final :focus-visible, .footer :focus-visible, .on-dark :focus-visible{ outline-color:var(--on-dark); }

.skip{ position:fixed; top:10px; left:10px; z-index:2000; background:var(--ink); color:var(--bg); padding:10px 16px; border-radius:var(--r-sm); font-size:var(--fs-sm); transform:translateY(-160%); transition:transform .25s var(--ease); }
.skip:focus{ transform:none; }

/* ---------- Layout ---------- */
.wrap{ max-width:var(--maxw); margin:0 auto; padding-inline:var(--gutter); }
.measure{ max-width:var(--measure); }
.sec{ padding-block:clamp(80px, 11vh, 148px); }
.rule-top{ border-top:1px solid var(--line); }

/* ---------- Type ---------- */
.eyebrow,.label{
  display:block; font-family:var(--mono); font-weight:500;
  font-size:var(--fs-eyebrow); letter-spacing:.22em; text-transform:uppercase;
  color:var(--muted); margin:0 0 var(--s-3);
}
h1,h2,h3{ margin:0; color:var(--ink); font-family:var(--serif); font-optical-sizing:auto; font-weight:500; letter-spacing:-.01em; }
.display{ font-size:var(--fs-display); line-height:1.03; letter-spacing:-.015em; }
.h2{ font-size:var(--fs-h2); line-height:1.08; }
.h3{ font-size:var(--fs-h3); line-height:1.18; }
.k{ font-weight:600; font-style:italic; }   /* keyword emphasis, monochrome */
.lede{ font-family:var(--sans); font-size:var(--fs-lede); line-height:1.6; color:var(--body); max-width:60ch; margin:var(--s-3) 0 0; }
p{ text-wrap:pretty; }
.mono{ font-family:var(--mono); }

/* editorial section header: eyebrow above a big serif heading */
.shead{ margin-bottom:clamp(40px,5vw,72px); max-width:64ch; }
.shead .lede{ margin-top:var(--s-3); }

/* asymmetric split: heading left, supporting text right */
.split{ display:grid; grid-template-columns:1.05fr .95fr; gap:clamp(32px,5vw,88px); align-items:start; }
.split .col-body p{ margin:0 0 1em; color:var(--body); }
.split .col-body p:last-child{ margin-bottom:0; }
.split-head .eyebrow{ margin-bottom:var(--s-3); }

/* ---------- Buttons & links ---------- */
.btn{
  display:inline-flex; align-items:center; gap:.55em;
  background:var(--ink); color:var(--bg); border:1px solid var(--ink);
  padding:.85em 1.4em; border-radius:var(--r-sm);
  font-family:var(--sans); font-weight:600; font-size:var(--fs-sm); letter-spacing:.005em;
  cursor:pointer; white-space:nowrap;
  transition:background var(--fast) var(--ease), color var(--fast) var(--ease), opacity var(--fast) var(--ease);
}
.btn:hover{ background:#000; }
.btn .arrow{ transition:transform var(--fast) var(--ease); }
.btn:hover .arrow{ transform:translateX(3px); }
.hero .btn, .final .btn, .on-dark .btn{ background:var(--on-dark); color:var(--ink); border-color:var(--on-dark); }
.hero .btn:hover, .final .btn:hover, .on-dark .btn:hover{ opacity:.9; background:var(--on-dark); }

.tlink{
  display:inline-flex; align-items:center; gap:.45em;
  font-family:var(--sans); font-weight:600; font-size:var(--fs-sm); color:var(--ink);
  padding-bottom:2px;
  background-image:linear-gradient(currentColor,currentColor);
  background-size:0% 1px; background-repeat:no-repeat; background-position:0 100%;
  transition:background-size .25s var(--ease);
}
.tlink:hover{ background-size:100% 1px; }
.tlink .arrow{ transition:transform var(--fast) var(--ease); }
.tlink:hover .arrow{ transform:translateX(3px); }
.hero .tlink, .final .tlink, .footer .tlink, .on-dark .tlink{ color:var(--on-dark); }

/* ============================================================
   HEADER
   ============================================================ */
.header{
  position:fixed; inset:0 0 auto 0; z-index:1000; height:var(--header-h);
  display:flex; align-items:center;
  background:color-mix(in srgb, var(--bg) 84%, transparent);
  -webkit-backdrop-filter:saturate(1.1) blur(14px); backdrop-filter:saturate(1.1) blur(14px);
  border-bottom:1px solid transparent; transition:border-color .3s var(--ease);
}
.header.scrolled{ border-bottom-color:var(--line); }
.header .wrap{ display:flex; align-items:center; gap:var(--s-4); width:100%; }
.brand{ display:inline-flex; align-items:center; height:34px; flex:none; }
.brand img{ height:30px; width:auto; }

.nav{ display:flex; align-items:center; gap:clamp(20px,2.2vw,36px); margin-left:auto; }
.nav-link{ display:inline-flex; align-items:center; gap:.4em; font-family:var(--sans); font-size:var(--fs-sm); font-weight:500; color:var(--body); padding:6px 0; white-space:nowrap; cursor:pointer; transition:color var(--fast) var(--ease); }
.nav-link:hover{ color:var(--ink); }
.nav-trigger .chev{ width:11px; height:11px; transition:transform var(--fast) var(--ease); }
.has-dropdown.open .nav-trigger .chev, .has-dropdown:hover .nav-trigger .chev{ transform:rotate(180deg); }

.nav-item{ position:relative; }
.dropdown{
  position:absolute; top:calc(100% + 12px); left:50%; transform:translate(-50%,6px);
  min-width:312px; background:var(--bg); border:1px solid var(--line); border-radius:var(--r-md);
  padding:8px; opacity:0; visibility:hidden; pointer-events:none;
  transition:opacity .22s var(--ease), transform .22s var(--ease), visibility .22s;
}
.dropdown::before{ content:""; position:absolute; left:0; right:0; top:-14px; height:14px; }
.has-dropdown:hover .dropdown, .has-dropdown:focus-within .dropdown, .has-dropdown.open .dropdown{ opacity:1; visibility:visible; pointer-events:auto; transform:translate(-50%,0); }
.dropdown a{ display:block; padding:12px 14px; border-radius:var(--r-sm); color:var(--ink); font-weight:600; font-size:var(--fs-sm); transition:background var(--fast) var(--ease); }
.dropdown a span{ display:block; font-family:var(--mono); font-weight:400; font-size:var(--fs-eyebrow); letter-spacing:.1em; text-transform:uppercase; color:var(--muted); margin-top:4px; }
.dropdown a:hover{ background:var(--panel); }

.header-cta{ display:inline-flex; align-items:center; gap:14px; flex:none; }
.header .btn{ padding:.62em 1.1em; }

.menu-btn{ display:none; width:42px; height:42px; margin-right:-8px; cursor:pointer; align-items:center; justify-content:center; color:var(--ink); }
.menu-btn span{ position:relative; width:20px; height:1.5px; background:currentColor; transition:.3s var(--ease); }
.menu-btn span::before,.menu-btn span::after{ content:""; position:absolute; left:0; width:20px; height:1.5px; background:currentColor; transition:.3s var(--ease); }
.menu-btn span::before{ top:-6px; } .menu-btn span::after{ top:6px; }
body.menu-open .menu-btn span{ background:transparent; }
body.menu-open .menu-btn span::before{ top:0; transform:rotate(45deg); }
body.menu-open .menu-btn span::after{ top:0; transform:rotate(-45deg); }

.mobile-menu{
  position:fixed; inset:var(--header-h) 0 0 0; z-index:900; background:var(--bg); color:var(--ink);
  padding:var(--s-3) var(--gutter) var(--s-6); display:flex; flex-direction:column;
  transform:translateY(-8px); opacity:0; pointer-events:none; visibility:hidden;
  transition:opacity .3s var(--ease), transform .3s var(--ease), visibility .3s; overflow-y:auto;
}
body.menu-open .mobile-menu{ opacity:1; transform:none; pointer-events:auto; visibility:visible; }
.m-link{ display:flex; align-items:center; justify-content:space-between; gap:12px; width:100%; text-align:left; font-family:var(--serif); font-size:1.4rem; font-weight:500; letter-spacing:-.01em; color:var(--ink); padding:18px 0; border-bottom:1px solid var(--line); cursor:pointer; }
.m-trigger .chev{ width:14px; height:14px; transition:transform var(--fast) var(--ease); }
.m-group.open .m-trigger .chev{ transform:rotate(180deg); }
.m-sub{ display:grid; grid-template-rows:0fr; transition:grid-template-rows .3s var(--ease); }
.m-group.open .m-sub{ grid-template-rows:1fr; }
.m-sub > div{ overflow:hidden; }
.m-sub a{ display:block; font-family:var(--sans); padding:14px 0 14px 18px; font-size:1.05rem; color:var(--body); border-bottom:1px solid var(--line); }
.m-sub a:hover{ color:var(--ink); }
.mobile-menu .btn{ margin-top:var(--s-4); justify-content:center; padding:.9em 1.4em; font-size:var(--fs-body); }

/* ============================================================
   REVEALS
   ============================================================ */
html.js .reveal{ opacity:0; transform:translateY(18px); transition:opacity .8s var(--ease), transform .8s var(--ease); }
html.js .reveal.in{ opacity:1; transform:none; }
.reveal.d1{ transition-delay:.07s; } .reveal.d2{ transition-delay:.14s; } .reveal.d3{ transition-delay:.21s; }

/* ============================================================
   HOME HERO
   ============================================================ */
.hero{ background:var(--dark); color:var(--on-dark); position:relative; padding-top:calc(var(--header-h) + clamp(52px,9vh,104px)); padding-bottom:clamp(60px,10vh,120px); }
.hero .eyebrow{ color:var(--on-dark-muted); }
.hero h1{ color:var(--on-dark); }
.hero .lede{ color:var(--on-dark-body); }
.hero-grid{ display:grid; grid-template-columns:1.06fr .94fr; gap:clamp(40px,5vw,88px); align-items:center; }
.hero-copy{ max-width:36rem; }
.hero h1{ margin-bottom:var(--s-3); }
.hero-actions{ display:flex; align-items:center; gap:clamp(18px,2.6vw,30px); flex-wrap:wrap; margin-top:clamp(30px,4vh,44px); }

/* ---------- SMS demo (signature) ---------- */
.demo-outer{ width:100%; }
.demo{ width:100%; max-width:392px; margin-inline:auto; background:linear-gradient(180deg,#191918 0%,#141413 100%); border:1px solid var(--line-dark-2); border-radius:var(--r-phone); padding:14px; position:relative; }
.demo::before{ content:""; position:absolute; top:22px; left:50%; transform:translateX(-50%); width:78px; height:5px; border-radius:5px; background:var(--line-dark-2); }
.demo-inner{ background:var(--dark); border:1px solid var(--line-dark); border-radius:20px; padding:34px 16px 18px; min-height:454px; display:flex; flex-direction:column; }
.demo-head{ display:flex; align-items:center; gap:12px; padding:0 6px 16px; border-bottom:1px solid var(--line-dark); margin-bottom:18px; }
.demo-avatar{ width:40px; height:40px; border-radius:var(--r-sm); flex:none; background:var(--dark-2); border:1px solid var(--line-dark-2); display:grid; place-items:center; color:var(--on-dark); }
.demo-avatar svg{ width:19px; height:19px; }
.demo-head .who{ min-width:0; }
.demo-head .who b{ font-family:var(--sans); font-weight:600; font-size:.95rem; display:block; letter-spacing:-.01em; color:var(--on-dark); }
.demo-head .who .missed{ display:inline-flex; align-items:center; gap:6px; font-family:var(--mono); font-size:.66rem; letter-spacing:.04em; color:var(--on-dark-body); margin-top:2px; }
.demo-head .who .missed svg{ width:12px; height:12px; }
.demo-tag{ margin-left:auto; align-self:flex-start; flex:none; font-family:var(--mono); font-size:.56rem; letter-spacing:.18em; color:var(--on-dark-muted); border:1px solid var(--line-dark); border-radius:5px; padding:4px 7px; text-transform:uppercase; }
.thread{ display:flex; flex-direction:column; gap:12px; flex:1; }
.d-sys{ align-self:center; text-align:center; font-family:var(--mono); font-size:.66rem; letter-spacing:.03em; color:var(--on-dark-muted); line-height:1.5; max-width:88%; }
.d-sys .count{ color:var(--on-dark-body); }
.bubble{ max-width:80%; padding:11px 14px; border-radius:16px; font-family:var(--sans); font-size:.9rem; line-height:1.42; position:relative; }
.bubble.out{ align-self:flex-end; background:var(--on-dark); color:var(--dark); border-bottom-right-radius:5px; font-weight:450; }
.bubble.in{ align-self:flex-start; background:transparent; color:var(--on-dark); border:1px solid var(--line-dark-2); border-bottom-left-radius:5px; }
.d-stamp{ align-self:flex-end; font-family:var(--mono); font-size:.62rem; color:var(--on-dark-muted); letter-spacing:.02em; margin-top:-4px; }
.typing{ align-self:flex-start; display:inline-flex; gap:4px; padding:13px 15px; border:1px solid var(--line-dark-2); border-radius:16px; border-bottom-left-radius:5px; }
.typing i{ width:6px; height:6px; border-radius:50%; background:var(--on-dark-body); display:block; animation:typing 1.3s var(--ease) infinite; }
.typing i:nth-child(2){ animation-delay:.15s; } .typing i:nth-child(3){ animation-delay:.3s; }
@keyframes typing{ 0%,60%,100%{ transform:translateY(0); opacity:.5; } 30%{ transform:translateY(-3px); opacity:1; } }
.d-final{ margin-top:14px; padding-top:14px; border-top:1px solid var(--line-dark); display:flex; align-items:center; gap:9px; font-family:var(--sans); font-size:.8rem; color:var(--on-dark-body); line-height:1.4; }
.d-final .chk{ width:20px; height:20px; border-radius:50%; flex:none; border:1px solid var(--line-dark-2); display:grid; place-items:center; }
.d-final .chk svg{ width:11px; height:11px; }
.demo-cap{ margin:18px auto 0; max-width:392px; text-align:center; font-family:var(--mono); font-size:.64rem; letter-spacing:.1em; text-transform:uppercase; color:var(--on-dark-muted); line-height:1.6; }
html.js .demo [data-step]{ opacity:0; transform:translateY(8px); transition:opacity .5s var(--ease), transform .5s var(--ease); }
html.js .demo [data-step].show{ opacity:1; transform:none; }
html.js .demo .typing{ display:none; }
html.js .demo .typing.show{ display:inline-flex; }

/* ============================================================
   SERVICES — editorial index
   ============================================================ */
.svc-index{ border-top:1px solid var(--line-strong); }
.svc-row{
  display:grid; grid-template-columns:56px minmax(190px,1fr) minmax(0,1.55fr) auto;
  gap:clamp(20px,3vw,56px); align-items:baseline;
  padding:clamp(28px,3.4vw,44px) 0; border-bottom:1px solid var(--line);
  position:relative; transition:background var(--fast) var(--ease);
}
.svc-row .r-num{ font-family:var(--mono); font-weight:500; font-size:var(--fs-sm); color:var(--muted); }
.svc-row .r-name{ font-family:var(--serif); font-weight:500; font-size:var(--fs-h3); letter-spacing:-.01em; color:var(--ink); line-height:1.1; }
.svc-row .r-kind{ display:block; font-family:var(--mono); font-weight:500; font-size:var(--fs-eyebrow); letter-spacing:.16em; text-transform:uppercase; color:var(--muted); margin-top:8px; }
.svc-row .r-desc{ color:var(--body); font-size:var(--fs-body); line-height:1.6; margin:0; }
.svc-row .r-more{ white-space:nowrap; }

/* ============================================================
   STEPS (numbered sequences)
   ============================================================ */
.steps{ display:grid; grid-template-columns:repeat(4,1fr); gap:clamp(24px,3vw,44px); }
.grid3{ display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(24px,3vw,44px); margin-top:clamp(36px,4vw,56px); }
.step{ border-top:1px solid var(--ink); padding-top:var(--s-3); }
.step .n,.stepnum{ font-family:var(--mono); font-weight:500; font-size:var(--fs-sm); letter-spacing:.04em; color:var(--muted); }
.step h3{ font-family:var(--serif); font-weight:500; font-size:var(--fs-h3); letter-spacing:-.01em; margin:var(--s-2) 0 var(--s-1); line-height:1.15; }
.step p{ margin:0; color:var(--body); font-size:var(--fs-sm); line-height:1.6; }

/* ============================================================
   FAQ — two column editorial
   ============================================================ */
.faq-list{ border-top:1px solid var(--line-strong); }
.faq{ display:grid; grid-template-columns:1fr 1.35fr; gap:clamp(20px,4vw,72px); padding:clamp(24px,3vw,36px) 0; border-bottom:1px solid var(--line); }
.faq h3{ font-family:var(--serif); font-weight:500; font-size:var(--fs-h3); letter-spacing:-.01em; line-height:1.16; margin:0; }
.faq p{ margin:0; color:var(--body); max-width:60ch; }

/* ============================================================
   ABOUT / prose
   ============================================================ */
.prose{ max-width:60ch; }
.prose p{ font-size:var(--fs-lede); line-height:1.6; color:var(--body); margin:0 0 1em; }
.prose p:last-child{ margin-bottom:0; }
.prose strong{ color:var(--ink); font-weight:600; }

/* ============================================================
   SERVICE PAGES
   ============================================================ */
.service-page .hero{ padding-top:calc(var(--header-h) + clamp(72px,12vh,140px)); padding-bottom:clamp(64px,11vh,128px); }
.service-page .hero .label{ color:var(--on-dark-muted); }
.service-page .hero h1{ color:var(--on-dark); font-size:clamp(3rem, 1.8rem + 5.2vw, 6rem); line-height:1.0; letter-spacing:-.02em; margin:var(--s-3) 0 var(--s-4); }
.service-page .hero .deck{ color:var(--on-dark-body); font-family:var(--sans); font-size:clamp(1.125rem, 1rem + .5vw, 1.375rem); line-height:1.55; max-width:40ch; margin:0 0 var(--s-5); }
.service-page section{ padding-block:clamp(72px,10vh,128px); border-bottom:1px solid var(--line); }
.service-page section:last-of-type{ border-bottom:0; }
.service-page h2{ font-family:var(--serif); font-weight:500; font-size:var(--fs-h2); line-height:1.08; letter-spacing:-.01em; margin:0; }
.service-page .body-col p{ margin:0 0 1em; color:var(--body); font-size:var(--fs-lede); line-height:1.6; }
.service-page .body-col p:last-child{ margin-bottom:0; }
.service-page .single p{ margin:0 0 1em; color:var(--body); font-size:var(--fs-lede); line-height:1.6; max-width:60ch; }
.service-page .single p:last-child{ margin-bottom:0; }
.service-page .single h2{ margin-bottom:var(--s-4); }

/* ROI calculator (Lead Rescue only) */
.calc{ background:var(--panel); border:1px solid var(--line); border-radius:var(--r-lg); padding:clamp(24px,3vw,40px); margin-top:var(--s-5); max-width:640px; }
.calc label{ display:flex; align-items:baseline; justify-content:space-between; gap:16px; font-family:var(--sans); font-size:var(--fs-sm); color:var(--ink); font-weight:600; margin:var(--s-4) 0 var(--s-2); }
.calc label:first-child{ margin-top:0; }
.calc .val{ font-family:var(--mono); font-weight:500; color:var(--muted); font-size:var(--fs-sm); }
.calc input[type=range]{ -webkit-appearance:none; appearance:none; width:100%; height:2px; margin:0; cursor:pointer; background:var(--line-strong); border-radius:2px; background-image:linear-gradient(var(--ink),var(--ink)); background-repeat:no-repeat; background-size:var(--pct,0%) 100%; }
.calc input[type=range]::-webkit-slider-thumb{ -webkit-appearance:none; appearance:none; width:20px; height:20px; border-radius:50%; background:var(--ink); border:3px solid var(--panel); box-shadow:0 0 0 1px var(--line-strong); transition:transform .2s var(--ease); }
.calc input[type=range]::-webkit-slider-thumb:hover{ transform:scale(1.1); }
.calc input[type=range]::-moz-range-thumb{ width:18px; height:18px; border-radius:50%; border:3px solid var(--panel); background:var(--ink); box-shadow:0 0 0 1px var(--line-strong); }
.calc .result{ font-family:var(--serif); font-weight:500; letter-spacing:-.02em; font-size:clamp(2.6rem, 1.7rem + 3.4vw, 3.75rem); color:var(--ink); margin-top:var(--s-5); padding-top:var(--s-4); border-top:1px solid var(--line); line-height:1; }
.calc .disc{ font-family:var(--sans); font-size:var(--fs-sm); color:var(--muted); margin-top:var(--s-2); line-height:1.55; }

/* ============================================================
   FINAL CTA
   ============================================================ */
.final{ background:var(--dark); color:var(--on-dark); }
.service-page .final{ border-bottom:0; }
.final .eyebrow{ color:var(--on-dark-muted); }
.final h2,.final .display{ color:var(--on-dark); }
.final p,.final .lede{ color:var(--on-dark-body); }
.final-actions{ margin-top:clamp(30px,4vh,44px); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer{ background:var(--dark); color:var(--on-dark-body); border-top:1px solid var(--line-dark); }
.footer .wrap{ padding-block:clamp(60px,8vh,96px) clamp(28px,4vh,40px); }
.footer-grid{ display:grid; grid-template-columns:1.5fr 1fr 1fr; gap:clamp(32px,5vw,64px); }
.footer .f-brand img{ height:30px; width:auto; margin-bottom:var(--s-3); }
.footer .f-brand a.mail{ color:var(--on-dark); font-weight:500; }
.footer .f-col h4{ font-family:var(--mono); font-weight:500; font-size:var(--fs-eyebrow); letter-spacing:.16em; text-transform:uppercase; color:var(--on-dark-muted); margin:0 0 var(--s-3); }
.footer .f-col a{ display:block; font-size:var(--fs-sm); color:var(--on-dark-body); padding:5px 0; transition:color var(--fast) var(--ease); }
.footer .f-col a:hover{ color:var(--on-dark); }
.footer-bottom{ display:flex; flex-wrap:wrap; gap:16px 24px; justify-content:space-between; align-items:center; margin-top:clamp(44px,6vh,72px); padding-top:var(--s-4); border-top:1px solid var(--line-dark); }
.footer-bottom .f-meta{ font-family:var(--mono); font-size:var(--fs-eyebrow); letter-spacing:.02em; color:var(--on-dark-muted); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:900px){
  .hero-grid{ grid-template-columns:1fr; gap:clamp(40px,7vw,56px); }
  .hero-copy{ max-width:none; }
  .split{ grid-template-columns:1fr; gap:clamp(24px,4vw,36px); }
  .steps{ grid-template-columns:repeat(2,1fr); gap:clamp(28px,4vw,40px); }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .faq{ grid-template-columns:1fr; gap:var(--s-2); }
}
@media (max-width:820px){
  .nav{ display:none; }
  .header-cta .btn{ display:none; }
  .menu-btn{ display:inline-flex; }
}
@media (max-width:640px){
  .grid3{ grid-template-columns:1fr; }
  .steps{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; gap:var(--s-5); }
  .svc-row{ grid-template-columns:1fr; gap:var(--s-2); padding:var(--s-4) 0; }
  .svc-row .r-num{ font-size:var(--fs-eyebrow); }
  .svc-row .r-more{ margin-top:var(--s-1); }
}
@media (max-width:400px){
  .hero-actions .btn{ width:100%; justify-content:center; }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
  html.js .reveal{ opacity:1; transform:none; }
  html.js .demo [data-step]{ opacity:1; transform:none; }
}