/* ============================================================
   OBSIDIAN BLUEPRINT — Page layout, sections & components
   SES Consulting Engineers  ·  builds on base.css (tokens + glass)
   Montserrat only. Vanilla CSS. No frameworks.
   ============================================================ */

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
@media (prefers-reduced-motion:reduce){ html{ scroll-behavior:auto; } }
body{ margin:0; overflow-x:hidden; }
img,svg{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }

/* ---- layout primitives ---- */
.container{ width:100%; max-width:1200px; margin-inline:auto; padding-inline:clamp(20px,5vw,40px); }
.section{ position:relative; padding-block:clamp(72px,10vw,132px); }
.section--raised{ background:var(--bg-raised); }
.section--well{ background:var(--bg-well); }
/* hairline top rule on banded sections */
.section--raised::before,
.section--well::before{
  content:""; position:absolute; inset:0 0 auto 0; height:1px;
  background:linear-gradient(90deg,transparent,var(--divider) 20%,var(--divider) 80%,transparent);
}

/* ---- typography ---- */
.eyebrow{
  display:inline-flex; align-items:center; gap:.6em;
  font-size:.75rem; font-weight:600; letter-spacing:.22em; text-transform:uppercase;
  color:var(--text-muted); margin:0 0 18px;
}
.eyebrow .num{ color:var(--cyan); font-variant-numeric:tabular-nums; }
.eyebrow .tick{ width:26px; height:1px; background:var(--cyan); opacity:.6; }
.eyebrow--red .num{ color:var(--red); }
.eyebrow--red .tick{ background:var(--red); }

h1,h2,h3{ margin:0; font-weight:700; color:var(--text); text-wrap:balance; }
.h-display{ font-size:clamp(2.6rem,1.4rem + 4.6vw,5rem); font-weight:800; line-height:1.02; letter-spacing:-.02em; }
.h-1{ font-size:clamp(2rem,1.4rem + 2.6vw,3.2rem); line-height:1.08; letter-spacing:-.015em; }
.h-2{ font-size:clamp(1.15rem,1rem + .7vw,1.4rem); font-weight:600; line-height:1.25; letter-spacing:-.005em; }
.lead{ font-size:clamp(1.02rem,.98rem + .3vw,1.15rem); font-weight:500; color:var(--text); line-height:1.6; }
p{ margin:0; color:var(--text-muted); line-height:1.65; }
.accent{ color:var(--red); }
.section-head{ max-width:70ch; }
.section-head.center{ margin-inline:auto; text-align:center; }
.section-head .sub{ margin-top:16px; font-size:clamp(1rem,.96rem + .4vw,1.2rem); color:var(--text-muted); }

/* ---- buttons ---- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.55em;
  font-family:inherit; font-weight:600; font-size:.9375rem; letter-spacing:.02em;
  line-height:1; border:0; cursor:pointer; border-radius:999px; padding:.95em 1.7em;
  white-space:nowrap; -webkit-tap-highlight-color:transparent;
}
.btn svg{ width:1.1em; height:1.1em; }
.btn-red{
  background:var(--red); color:#fff;
  box-shadow:0 8px 24px -10px var(--red-glow);
  transition:transform .22s var(--ease-snap), background .18s var(--ease), box-shadow .22s var(--ease);
}
.btn-red:hover{ background:var(--red-hot); transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(227,6,19,.5), 0 10px 30px -6px var(--red-glow); }
.btn-red:active{ transform:translateY(0); background:var(--red-pressed); }
.btn-red .btn-arrow{ transition:transform .22s var(--ease); }
.btn-red:hover .btn-arrow{ transform:translateX(3px); }
.btn-ghost{
  background:rgba(255,255,255,.55); color:var(--text);
  border:1px solid var(--glass-border-strong);
  -webkit-backdrop-filter:blur(10px); backdrop-filter:blur(10px);
  transition:transform .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}
.btn-ghost:hover{ background:var(--glass-fill-hover); border-color:rgba(255,255,255,.22); transform:translateY(-2px); }

/* ============================================================
   REVEAL / MOTION
   ============================================================ */
/* Hidden state is gated behind html.js so that with JavaScript
   disabled (or if the script fails) everything is fully visible. */
html.js [data-reveal]{
  opacity:0; transform:translateY(22px);
  transition:opacity .62s var(--ease), transform .62s var(--ease);
  transition-delay:calc(var(--i,0) * 70ms);
}
html.js [data-reveal="fade"]{ transform:none; }        /* fade-only (clients) */
html.js [data-reveal].in{ opacity:1; transform:none; }
@media (prefers-reduced-motion:reduce){
  html.js [data-reveal]{ transform:none; transition:opacity .2s ease; transition-delay:0ms; }
}

/* ============================================================
   1. NAVBAR
   ============================================================ */
.nav{ position:fixed; inset:0 0 auto 0; z-index:100; display:flex; justify-content:center; padding:14px clamp(14px,4vw,24px) 0; }
.nav-inner{
  width:100%; max-width:1180px; height:66px;
  display:flex; align-items:center; gap:22px;
  padding:0 12px 0 22px;
  opacity:0; transform:translateY(-10px);
  animation:nav-in .5s var(--ease) .1s forwards;
}
@keyframes nav-in{ to{ opacity:1; transform:none; } }
.nav-logo{ color:var(--text); flex:0 0 auto; display:flex; align-items:center; }
.nav-logo svg{ height:30px; width:auto; }
.nav-logo img{ height:28px; width:auto; display:block; }
@media (max-width:900px){ .nav-logo img{ height:24px; } }
.nav-links{ display:flex; align-items:center; gap:clamp(12px,1.6vw,26px); margin-left:auto; }
.nav-links a{
  position:relative; font-size:.9375rem; font-weight:500; letter-spacing:.01em;
  color:var(--text-muted); padding:6px 2px; transition:color .2s var(--ease);
}
.nav-links a::after{
  content:""; position:absolute; left:0; right:0; bottom:-2px; height:1.5px;
  background:var(--red); transform:scaleX(0); transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-links a:hover{ color:var(--text); }
.nav-links a:hover::after,
.nav-links a.active::after{ transform:scaleX(1); }
.nav-links a.active{ color:var(--text); }
.nav-toggle{ display:none; }

/* mobile nav */
.nav-toggle{
  margin-left:auto; width:44px; height:44px; border:0; background:transparent; cursor:pointer;
  color:var(--text); align-items:center; justify-content:center; border-radius:12px;
}
.nav-toggle span{ position:relative; width:20px; height:2px; background:currentColor; border-radius:2px; transition:.25s var(--ease); }
.nav-toggle span::before,.nav-toggle span::after{ content:""; position:absolute; left:0; width:20px; height:2px; background:currentColor; border-radius:2px; transition:.25s var(--ease); }
.nav-toggle span::before{ top:-6px; } .nav-toggle span::after{ top:6px; }
.nav.open .nav-toggle span{ background:transparent; }
.nav.open .nav-toggle span::before{ top:0; transform:rotate(45deg); }
.nav.open .nav-toggle span::after{ top:0; transform:rotate(-45deg); }

@media (max-width:900px){
  .nav-toggle{ display:inline-flex; }
  /* let the dropdown escape the .glass clip (nav-inner is position:relative;overflow:hidden) */
  .nav-inner{ overflow:visible; }
  .nav-links{
    position:absolute; top:calc(100% + 10px); left:0; right:0;
    flex-direction:column; align-items:stretch; gap:4px; padding:12px;
    border-radius:18px; margin-inline:0;
    background:rgba(255,255,255,0.88);
    -webkit-backdrop-filter:blur(48px) saturate(180%); backdrop-filter:blur(48px) saturate(180%);
    border:1px solid var(--glass-border-strong);
    box-shadow:0 1px 0 0 var(--inner-sheen) inset, 0 24px 50px -18px var(--sh-ambient), 0 8px 20px -10px var(--sh-contact);
    opacity:0; transform:translateY(-8px) scale(.99); pointer-events:none;
    transition:opacity .25s var(--ease), transform .25s var(--ease);
  }
  .nav.open .nav-links{ opacity:1; transform:none; pointer-events:auto; }
  .nav-links a{ padding:13px 14px; border-radius:10px; color:var(--text); }
  .nav-links a::after{ display:none; }
  .nav-links a:hover,.nav-links a.active{ background:var(--cyan-soft); color:var(--text); }
}

/* ============================================================
   2. HERO + ABOUT
   ============================================================ */
.hero{ position:relative; min-height:100svh; display:flex; align-items:center; padding-top:132px; padding-bottom:80px; overflow:hidden; }
.hero-bg{ position:absolute; inset:0 0 0 auto; width:min(72%,940px); height:100%; z-index:0; opacity:.72; pointer-events:none; }
.hero-bg svg{ width:100%; height:100%; }
@media (max-width:760px){ .hero-bg{ width:100%; opacity:.4; } }
.hero .container{ position:relative; z-index:1; }
.hero-grid{ display:grid; grid-template-columns:minmax(0,1fr); gap:34px; max-width:780px; }
.hero h1{ margin-bottom:8px; }
.hero-panel{ padding:clamp(26px,3.4vw,46px); border-radius:24px; }
.hero-panel .corner{ position:absolute; width:16px; height:16px; border:1.5px solid var(--cyan); opacity:.35; z-index:3; }
.hero-panel .corner.tl{ top:14px; left:14px; border-right:0; border-bottom:0; }
.hero-panel .corner.tr{ top:14px; right:14px; border-left:0; border-bottom:0; }
.hero-panel .corner.bl{ bottom:14px; left:14px; border-right:0; border-top:0; }
.hero-panel .corner.br{ bottom:14px; right:14px; border-left:0; border-top:0; }
.hero-panel .prose > * + *{ margin-top:1.05em; }
.hero-actions{ display:flex; flex-wrap:wrap; gap:14px; margin-top:28px; }

/* ============================================================
   3. STATS
   ============================================================ */
.stats-rail{ display:grid; grid-template-columns:repeat(4,1fr); border-radius:22px; overflow:hidden; }
.stat{ position:relative; padding:clamp(24px,3vw,38px) clamp(18px,2vw,28px); }
.stat + .stat::before{ content:""; position:absolute; left:0; top:22px; bottom:22px; width:1px; background:var(--divider); }
.stat .tick{ width:26px; height:2px; background:var(--red); margin-bottom:16px; box-shadow:0 0 10px -1px var(--red-glow); }
.stat .val{ font-size:clamp(2.1rem,1.4rem + 2.6vw,3.4rem); font-weight:800; line-height:1; letter-spacing:-.02em; color:var(--text); font-variant-numeric:tabular-nums; }
.stat .val .u{ color:var(--cyan); }
.stat .cap{ margin-top:12px; font-size:.9rem; font-weight:500; color:var(--text-faint); line-height:1.45; }
@media (max-width:820px){
  .stats-rail{ grid-template-columns:repeat(2,1fr); }
  .stat + .stat::before{ display:none; }
  .stat{ border-top:1px solid var(--divider); }
  .stat:nth-child(-n+2){ border-top:0; }
}
@media (max-width:460px){ .stats-rail{ grid-template-columns:1fr; } .stat{ border-top:1px solid var(--divider); } .stat:first-child{ border-top:0; } }

/* ============================================================
   4. WHAT WE DO
   ============================================================ */
.services-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:52px; }
.svc{ padding:30px 28px 32px; border-radius:20px; }
.svc-icon{
  width:58px; height:58px; border-radius:16px; display:grid; place-items:center;
  color:var(--cyan); margin-bottom:22px; position:relative;
  background:var(--cyan-soft); border:1px solid rgba(47,107,255,.18);
  transition:transform .22s var(--ease), color .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease);
}
.svc-icon::after{ content:""; position:absolute; inset:0; border-radius:inherit; background:radial-gradient(circle at 50% 40%, var(--red-tint), transparent 70%); opacity:0; transition:opacity .25s var(--ease); }
.svc-icon svg{ width:30px; height:30px; position:relative; z-index:1; }
.svc h3{ margin-bottom:12px; }
.svc p{ font-size:1rem; }
.svc:hover .svc-icon{ transform:scale(1.06); color:var(--red-hot); background:rgba(227,6,19,.08); border-color:rgba(227,6,19,.22); }
.svc:hover .svc-icon::after{ opacity:1; }
@media (max-width:960px){ .services-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:620px){ .services-grid{ grid-template-columns:1fr; } }

/* ============================================================
   5. SELECTED PROJECTS
   ============================================================ */
/* Selected Projects — horizontal slider */
.projects-slider{ margin-top:52px; }
.projects-track{
  display:flex; gap:22px; overflow-x:auto; scroll-snap-type:x mandatory; scroll-behavior:smooth;
  padding:6px 4px 12px; margin:-6px -4px 0;
  -webkit-overflow-scrolling:touch; scrollbar-width:none; overscroll-behavior-x:contain;
}
.projects-track::-webkit-scrollbar{ display:none; }
.projects-track:focus-visible{ outline:2px solid var(--red); outline-offset:3px; border-radius:22px; }
.projects-track > .proj{ flex:0 0 calc((100% - 44px) / 3); scroll-snap-align:start; }
@media (prefers-reduced-motion:reduce){ .projects-track{ scroll-behavior:auto; } }

.slider-controls{ display:flex; align-items:center; gap:20px; margin-top:26px; }
.slider-progress{ position:relative; flex:1; height:3px; border-radius:2px; background:var(--divider); overflow:hidden; }
.slider-progress span{ display:block; height:100%; width:33%; min-width:24px; border-radius:2px;
  background:linear-gradient(90deg,var(--red),var(--red-hot)); transition:width .3s var(--ease); }
.slider-nav{ display:flex; gap:10px; flex:0 0 auto; }
.slider-btn{ width:48px; height:48px; border-radius:50%; display:grid; place-items:center; cursor:pointer; color:var(--text);
  background:var(--glass-fill); border:1px solid var(--glass-border-strong);
  -webkit-backdrop-filter:blur(12px) saturate(160%); backdrop-filter:blur(12px) saturate(160%);
  box-shadow:0 8px 20px -12px var(--sh-ambient);
  transition:transform .2s var(--ease), color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease), opacity .2s var(--ease); }
.slider-btn svg{ width:20px; height:20px; }
.slider-btn.prev svg{ transform:rotate(180deg); }
.slider-btn:hover{ color:var(--red-hot); border-color:rgba(227,6,19,.3); background:rgba(227,6,19,.06); transform:translateY(-2px); }
.slider-btn:disabled{ opacity:.35; cursor:default; pointer-events:none; }

.proj{ position:relative; display:flex; flex-direction:column; padding:0; border-radius:20px; overflow:hidden; }
.proj::before{ content:""; position:absolute; left:0; top:0; bottom:0; width:3px; background:var(--red); opacity:.85; z-index:4; }
.proj-head{ height:120px; position:relative; background:
  radial-gradient(120% 140% at 15% 0%, rgba(47,107,255,.16), transparent 55%),
  radial-gradient(120% 140% at 90% 20%, rgba(122,92,255,.16), transparent 55%),
  linear-gradient(180deg, rgba(255,255,255,.55), rgba(20,32,64,.03)); }
.proj-head::after{ content:""; position:absolute; inset:0; background-image:
  repeating-linear-gradient(0deg, var(--grid-line-major) 0 1px, transparent 1px 26px),
  repeating-linear-gradient(90deg, var(--grid-line-major) 0 1px, transparent 1px 26px);
  -webkit-mask-image:linear-gradient(180deg,#000,transparent); mask-image:linear-gradient(180deg,#000,transparent); }
.proj-body{ padding:24px 26px 26px; display:flex; flex-direction:column; gap:14px; flex:1; }
.proj h3{ font-size:1.08rem; line-height:1.3; }
.proj p{ font-size:.98rem; flex:1; }
.proj .standards{ margin-top:6px; padding-top:16px; position:relative; font-size:.8rem; font-weight:600; letter-spacing:.04em; color:var(--text-faint); }
.proj .standards::before{ content:""; position:absolute; top:0; left:0; height:2px; width:34px; background:var(--red); transition:width .35s var(--ease); }
.proj:hover .standards::before{ width:100%; }
@media (max-width:1000px){ .projects-track > .proj{ flex-basis:calc((100% - 22px) / 2); } }
@media (max-width:640px){ .projects-track > .proj{ flex-basis:calc(100% - 42px); } }

/* ============================================================
   6. CLIENTS
   ============================================================ */
.clients-rail{ display:grid; grid-template-columns:repeat(5,1fr); gap:16px; margin-top:44px; padding:14px; border-radius:22px; }
.client{ display:grid; place-items:center; padding:20px 18px; border-radius:14px;
  background:rgba(255,255,255,.62); box-shadow:inset 0 0 0 1px rgba(20,32,64,.06), 0 8px 20px -12px var(--sh-ambient);
  transition:transform .24s var(--ease), box-shadow .24s var(--ease); }
.client img{ max-height:52px; width:auto; object-fit:contain; }
.client:hover{ transform:translateY(-4px); box-shadow:inset 0 0 0 1px rgba(20,32,64,.1), 0 16px 32px -14px var(--sh-contact); }
@media (max-width:1000px){ .clients-rail{ grid-template-columns:repeat(3,1fr); } }
@media (max-width:560px){ .clients-rail{ grid-template-columns:repeat(2,1fr); } }

/* ============================================================
   7. PARTNERS
   ============================================================ */
.partners-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:24px; margin-top:52px; }
.partner{ position:relative; padding:clamp(28px,3vw,40px); border-radius:22px; display:flex; flex-direction:column; gap:16px; overflow:hidden; }
.partner .leak{ position:absolute; width:260px; height:260px; border-radius:50%; filter:blur(60px); opacity:.5; pointer-events:none; z-index:0; }
.partner--a .leak{ top:-90px; right:-70px; background:radial-gradient(circle,var(--cyan-soft),transparent 60%); }
.partner--b .leak{ top:-90px; right:-70px; background:radial-gradient(circle,var(--violet-soft),transparent 60%); }
.partner-mark{ height:48px; display:flex; align-items:center; }
.partner-mark .plaque{ height:48px; padding:8px 14px; border-radius:12px; background:rgba(244,246,250,.95); display:inline-flex; align-items:center; }
.partner-mark .plaque img{ height:32px; width:auto; }
.partner-mono{ width:52px; height:52px; border-radius:14px; display:grid; place-items:center; font-weight:800; letter-spacing:.02em; font-size:1.05rem;
  color:var(--cyan); background:var(--cyan-soft); border:1px solid rgba(47,107,255,.2); }
.partner-logo{ height:58px; display:flex; align-items:center; }
.partner-logo img{ height:100%; width:auto; max-width:240px; object-fit:contain; display:block; }
.partner h3{ font-size:clamp(1.3rem,1.1rem + 1vw,1.7rem); font-weight:700; }
.partner p{ font-size:1.02rem; }
.partner .plink{ margin-top:4px; display:inline-flex; align-items:center; gap:.5em; color:var(--cyan); font-weight:600; font-size:.92rem; width:max-content; }
.partner .plink svg{ width:1.1em; height:1.1em; transition:transform .22s var(--ease); }
.partner .plink:hover svg{ transform:translateX(4px); }
@media (max-width:800px){ .partners-grid{ grid-template-columns:1fr; } }

/* ============================================================
   8. FOOTER / CONTACT
   ============================================================ */
.contact-panel{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(28px,4vw,56px); padding:clamp(28px,4vw,54px); border-radius:26px; }
.contact-left h2{ margin-bottom:26px; }
.contact-methods{ display:flex; flex-direction:column; gap:18px; margin-top:8px; }
.contact-method{ display:inline-flex; align-items:center; gap:14px; color:var(--cyan); font-weight:600; font-size:clamp(1.05rem,.9rem + .8vw,1.4rem); width:max-content; transition:color .2s var(--ease); }
.contact-method .ico{ display:grid; place-items:center; width:44px; height:44px; border-radius:12px; color:var(--text); background:rgba(255,255,255,.6); border:1px solid var(--glass-border-strong); flex:0 0 auto; transition:.2s var(--ease); }
.contact-method .ico svg{ width:20px; height:20px; }
.contact-method:hover{ color:var(--red-hot); }
.contact-method:hover .ico{ color:var(--red-hot); border-color:rgba(227,6,19,.3); background:rgba(227,6,19,.08); }
.socials{ display:flex; gap:12px; margin-top:28px; }
.social{ width:46px; height:46px; border-radius:50%; display:grid; place-items:center; color:var(--text);
  background:rgba(255,255,255,.6); border:1px solid var(--glass-border-strong);
  -webkit-backdrop-filter:blur(10px); backdrop-filter:blur(10px);
  transition:transform .2s var(--ease), color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease); }
.social svg{ width:22px; height:22px; }
.social:hover{ transform:translateY(-3px); color:var(--red-hot); border-color:rgba(227,6,19,.3); background:rgba(227,6,19,.08); }
.contact-form{ display:flex; flex-direction:column; gap:14px; }
.field label{ display:block; font-size:.8rem; font-weight:600; letter-spacing:.06em; text-transform:uppercase; color:var(--text-faint); margin-bottom:7px; }
.field input,.field textarea{
  width:100%; font-family:inherit; font-size:1rem; color:var(--text);
  padding:14px 16px; border-radius:12px; border:1px solid var(--glass-border);
  background:var(--glass-fill-input); -webkit-backdrop-filter:blur(6px); backdrop-filter:blur(6px);
  transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field textarea{ resize:vertical; min-height:118px; }
.field input::placeholder,.field textarea::placeholder{ color:var(--text-faint); }
.field input:focus,.field textarea:focus{ outline:none; border-color:var(--cyan); box-shadow:0 0 0 3px var(--cyan-soft); }
.field input:focus-visible,.field textarea:focus-visible{ outline:none; }
.contact-form .btn-red{ margin-top:6px; width:100%; }
.footer-legal{ margin-top:clamp(40px,6vw,64px); padding-top:22px; border-top:1px solid var(--divider); text-align:center; }
.footer-legal .copy{ font-size:.8125rem; font-weight:500; letter-spacing:.02em; color:var(--text-faint); }
@media (max-width:800px){ .contact-panel{ grid-template-columns:1fr; } }

/* ============================================================
   FLOATING "CONTACT US" BUTTON + SPEED-DIAL MENU
   ============================================================ */
.fab{ position:fixed; right:clamp(16px,4vw,28px); bottom:clamp(16px,4vw,28px); z-index:95;
  display:flex; flex-direction:column; align-items:flex-end; gap:12px;
  transition:opacity .3s var(--ease), transform .3s var(--ease), visibility .3s; }
.fab-menu{ display:flex; flex-direction:column; align-items:flex-end; gap:12px; }
.fab-item{
  width:50px; height:50px; border-radius:50%; display:grid; place-items:center; color:var(--text);
  background:var(--glass-fill-nav-scrolled); border:1px solid var(--glass-border-strong);
  -webkit-backdrop-filter:blur(16px) saturate(170%); backdrop-filter:blur(16px) saturate(170%);
  box-shadow:0 10px 24px -12px var(--sh-ambient), 0 2px 6px -3px var(--sh-contact);
  opacity:0; transform:translateY(14px) scale(.85); pointer-events:none;
  transition:opacity .25s var(--ease), transform .3s var(--ease-snap), color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease); }
.fab-item svg{ width:22px; height:22px; }
.fab-item:hover{ color:var(--red-hot); border-color:rgba(227,6,19,.3); background:rgba(227,6,19,.08); transform:translateY(-2px) scale(1.06); }
.fab.open .fab-item{ opacity:1; transform:none; pointer-events:auto; transition-delay:calc(var(--fi) * 45ms); }
.fab-toggle{
  display:inline-flex; align-items:center; gap:.5em; cursor:pointer; border:0;
  font-family:inherit; font-weight:600; font-size:.9375rem; letter-spacing:.02em; color:#fff;
  background:var(--red); border-radius:999px; padding:.9em 1.4em; position:relative;
  box-shadow:0 12px 28px -10px var(--red-glow), 0 3px 10px -3px rgba(20,32,64,.35);
  transition:transform .22s var(--ease-snap), background .2s var(--ease), box-shadow .2s var(--ease);
  -webkit-tap-highlight-color:transparent; }
.fab-toggle:hover{ background:var(--red-hot); transform:translateY(-2px); box-shadow:0 0 0 1px rgba(227,6,19,.5), 0 14px 34px -8px var(--red-glow); }
.fab-toggle:active{ transform:translateY(0); }
.fab-toggle-ico, .fab-toggle-close{ display:inline-flex; }
.fab-toggle-ico svg, .fab-toggle-close svg{ width:20px; height:20px; }
.fab-toggle-close{ display:none; }
.fab.open .fab-toggle{ padding:.9em; background:var(--red-pressed); }
.fab.open .fab-toggle-ico, .fab.open .fab-toggle-label{ display:none; }
.fab.open .fab-toggle-close{ display:inline-flex; }
/* hidden while the contact section is on screen (you're already there) */
.fab.is-hidden{ opacity:0; visibility:hidden; transform:translateY(20px) scale(.92); pointer-events:none; }

/* reduced-motion: neutralize hover lifts that translate */
@media (prefers-reduced-motion:reduce){
  .btn-red:hover,.btn-ghost:hover,.client:hover,.contact-method:hover .ico,.social:hover,
  .fab-toggle:hover,.fab-item:hover,.slider-btn:hover{ transform:none; }
  .fab-item{ transform:none; }
  .fab.open .fab-item{ transition-delay:0ms; }
}