/* =============================================================
   ALIACE IT SOLUTIONS — Core Design System
   Concept: "Signal Architecture" — enterprise clarity, engineered
   precision, generous whitespace, cobalt→cyan signal accent.
   Tokens • Base • Layout • Components • Utilities
   ============================================================= */

/* ---------- 1. DESIGN TOKENS ---------- */
:root {
  /* Ink / neutral scale */
  --ink-900:#0a0e1a;
  --ink-800:#101627;
  --ink-700:#1c2438;
  --ink-600:#33405c;
  --ink-500:#5a6784;
  --ink-400:#8b96ad;
  --ink-300:#b9c1d1;
  --ink-200:#dde2ec;
  --ink-100:#eef1f6;
  --ink-050:#f6f8fb;
  --white:#ffffff;

  /* Signal accent (cobalt → cyan) */
  --signal-700:#8c1319;
  --signal-600:#d81f26;
  --signal-500:#b8161c;
  --signal-400:#e4535a;
  --cyan-500:#e8a33d;
  --cyan-400:#f2c165;

  /* Support */
  --amber:#ffb020;
  --green:#1fbf75;

  /* Semantic */
  --bg:var(--white);
  --bg-soft:var(--ink-050);
  --bg-ink:var(--ink-900);
  --text:var(--ink-800);
  --text-soft:var(--ink-500);
  --border:var(--ink-200);
  --accent:var(--signal-600);
  --accent-2:var(--cyan-500);

  /* Gradients */
  --maroon:#a6201f;
  --grad-signal:var(--maroon);
  --grad-signal-soft:linear-gradient(120deg,rgba(216,31,38,.12),rgba(232,163,61,.12));
  --grad-ink:linear-gradient(160deg,var(--ink-900),var(--ink-700));

  /* Type */
  --font-display:'Sora',system-ui,sans-serif;
  --font-body:'Inter',system-ui,sans-serif;
  --font-mono:'JetBrains Mono','SFMono-Regular',monospace;

  /* Radii */
  --r-sm:8px; --r-md:14px; --r-lg:22px; --r-xl:32px; --r-pill:999px;

  /* Shadow */
  --sh-xs:0 1px 2px rgba(16,22,39,.06);
  --sh-sm:0 4px 14px rgba(16,22,39,.07);
  --sh-md:0 14px 40px rgba(16,22,39,.10);
  --sh-lg:0 30px 70px rgba(16,22,39,.14);
  --sh-signal:0 18px 50px rgba(168,21,28,.28);

  /* Layout */
  --maxw:1220px;
  --gutter:clamp(20px,5vw,48px);
  --nav-h:76px;

  /* Motion */
  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
}

/* ---------- 2. RESET / BASE ---------- */
*,*::before,*::after{box-sizing:border-box}
*{margin:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
}
body{
  font-family:var(--font-body);
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul{list-style:none;padding:0}
:focus-visible{outline:3px solid var(--signal-400);outline-offset:2px;border-radius:4px}

/* ---------- 3. TYPOGRAPHY ---------- */
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.08;letter-spacing:-.02em;color:var(--ink-900);font-weight:700}
.h-display{font-size:clamp(2.6rem,6vw,4.6rem);letter-spacing:-.035em;line-height:1.02}
h1{font-size:clamp(2.2rem,4.4vw,3.4rem)}
h2{font-size:clamp(1.8rem,3.4vw,2.7rem)}
h3{font-size:clamp(1.25rem,2vw,1.6rem)}
h4{font-size:1.1rem}
p{color:var(--text-soft)}
strong{color:var(--ink-800);font-weight:600}

.eyebrow{
  font-family:var(--font-mono);
  font-size:1.25rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--accent);
  font-weight:600;
  display:inline-flex;align-items:center;gap:.6rem;
}
.eyebrow::before{content:"";width:26px;height:1.5px;background:var(--grad-signal)}
.eyebrow.center::before{display:none}

.lead{font-size:clamp(1.05rem,1.5vw,1.24rem);color:var(--ink-600);line-height:1.6}
.text-grad{background:var(--grad-signal);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- 4. LAYOUT ---------- */
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(64px,9vw,120px)}
.section--tight{padding-block:clamp(48px,6vw,80px)}
.section-ink{background:var(--grad-ink);color:var(--ink-100)}
.section-soft{background:var(--bg-soft)}
.section-head{max-width:680px;margin-bottom:clamp(36px,5vw,60px)}
.section-head.center{margin-inline:auto;text-align:center}
.section-head p{margin-top:1rem}
.grid{display:grid;gap:clamp(20px,2.4vw,32px)}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:960px){.g-3,.g-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.g-2,.g-3,.g-4{grid-template-columns:1fr}}

/* ---------- 5. BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  font-family:var(--font-display);font-weight:600;font-size:.98rem;
  padding:.86rem 1.5rem;border-radius:var(--r-pill);
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s,color .25s,border-color .25s;
  white-space:nowrap;
}
.btn svg{width:1.05em;height:1.05em}
.btn-primary{background:var(--grad-signal);color:#fff;box-shadow:var(--sh-signal)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 24px 60px rgba(168,21,28,.4)}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--ink-800)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink-900)}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--sh-md)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.28);color:#fff}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-lg{padding:1.05rem 2rem;font-size:1.05rem}
.btn .arrow{width:16px;height:16px;max-width:16px;max-height:16px;flex-shrink:0;transition:transform .3s var(--ease)}
.btn:hover .arrow{transform:translateX(4px)}

/* ---------- 6. CARDS ---------- */
.card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:clamp(24px,3vw,34px);box-shadow:var(--sh-xs);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s;
  position:relative;height:100%;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--sh-md);border-color:transparent}
.card-media{
  margin:calc(-1 * clamp(24px,3vw,34px)) calc(-1 * clamp(24px,3vw,34px)) 1.3rem;
  aspect-ratio:16/10;overflow:hidden;background:var(--ink-050);
  border-radius:var(--r-lg) var(--r-lg) 0 0;position:relative;
}
.card-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-icon{
  width:54px;height:54px;border-radius:14px;display:grid;place-items:center;
  background:var(--grad-signal-soft);color:var(--accent);margin-bottom:1.2rem;
  border:1px solid rgba(216,31,38,.16);
}
.card-icon svg{width:26px;height:26px}
.card h3{margin-bottom:.55rem}
.card p{font-size:.98rem}
.card-link{
  margin-top:1.2rem;display:inline-flex;align-items:center;gap:.4rem;
  font-family:var(--font-display);font-weight:600;font-size:.9rem;color:var(--accent);
  white-space:nowrap;background:none;border:none;padding:0;
  transition:color .3s var(--ease);
}
.card-link .arrow{width:14px;height:14px;max-width:14px;max-height:14px;flex-shrink:0;transition:transform .3s var(--ease)}
.card:hover .card-link,.card-link:hover{color:var(--maroon)}
.card:hover .card-link .arrow,.card-link:hover .arrow{transform:translateX(4px)}

/* ---------- SERVICES SLIDER ---------- */
.svc-zigzag{display:flex;flex-direction:column;gap:clamp(56px,7vw,96px);margin-top:clamp(40px,5vw,64px)}
.svc-row{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,64px);align-items:center}
.svc-row:nth-child(even) .svc-row-media{order:2}
.svc-row:nth-child(even) .svc-row-content{order:1}
.svc-row-media{border-radius:var(--r-xl);overflow:hidden;aspect-ratio:16/11;box-shadow:var(--sh-md);background:var(--ink-050)}
.svc-row-media img{width:100%;height:100%;object-fit:cover;display:block}
.svc-row-content .card-icon{margin-bottom:1.2rem}
.svc-row-content h3{font-size:1.7rem;margin-bottom:.8rem}
.svc-row-content p{font-size:1.02rem;color:var(--text-soft);margin-bottom:1.3rem;max-width:50ch}
@media(max-width:860px){
  .svc-row{grid-template-columns:1fr}
  .svc-row:nth-child(even) .svc-row-media{order:0}
  .svc-row:nth-child(even) .svc-row-content{order:0}
}
.svc-slides{position:relative;min-height:420px}
.svc-slide{
  position:absolute;inset:0;opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity .6s var(--ease),transform .6s var(--ease);
  display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(28px,4vw,56px);align-items:center;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);
  padding:clamp(20px,3vw,32px);box-shadow:var(--sh-xs);
}
.svc-slide.active{position:relative;opacity:1;transform:none;pointer-events:auto}
@media(max-width:760px){.svc-slide{grid-template-columns:1fr}}
.svc-media{border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/11;background:var(--ink-050)}
.svc-media img{width:100%;height:100%;object-fit:cover;display:block}
.svc-media--icon{display:grid;place-items:center;background:var(--grad-signal-soft)}
.svc-media--icon svg{width:34%;height:34%;color:var(--accent)}
.svc-content .card-icon{margin-bottom:1.1rem}
.svc-content h3{font-size:1.5rem;margin-bottom:.7rem}
.svc-content p{font-size:1.02rem;color:var(--text-soft);margin-bottom:1.4rem;max-width:46ch}
.svc-controls{display:flex;align-items:center;justify-content:center;gap:1.4rem;margin-top:2rem}
.svc-arrow{width:42px;height:42px;border-radius:50%;border:1.5px solid var(--border);background:#fff;color:var(--ink-700);display:grid;place-items:center;cursor:pointer;transition:all .25s var(--ease);flex-shrink:0}
.svc-arrow:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.svc-arrow svg{width:18px;height:18px}
.svc-dots{display:flex;gap:.5rem}
.svc-dot{width:9px;height:9px;border-radius:50%;border:none;background:var(--ink-200);cursor:pointer;padding:0;transition:all .3s var(--ease)}
.svc-dot.active{background:var(--grad-signal);width:30px;border-radius:5px}
/* ---------- SERVICES SLIDER — richer content ---------- */
.svc-content p{margin-bottom:1.1rem}
.svc-features{display:grid;grid-template-columns:1fr 1fr;gap:.6rem .9rem;margin-bottom:1.5rem}
.svc-features li{display:flex;align-items:center;gap:.5rem;font-size:.88rem;color:var(--ink-600);font-family:var(--font-display);font-weight:600}
.svc-features li svg{width:16px;height:16px;color:var(--accent);flex-shrink:0}
.svc-btns{display:flex;flex-wrap:wrap;gap:.8rem}
@media(max-width:420px){.svc-features{grid-template-columns:1fr}}

.tag{
  display:inline-block;font-family:var(--font-mono);font-size:1rem;letter-spacing:.12em;
  text-transform:uppercase;padding:.3rem .7rem;border-radius:var(--r-pill);
  background:var(--grad-signal-soft);color:var(--signal-700);font-weight:600;
}
.badge{
  display:inline-flex;align-items:center;gap:.4rem;font-size:.8rem;font-weight:600;
  padding:.34rem .8rem;border-radius:var(--r-pill);background:var(--ink-050);
  border:1px solid var(--border);color:var(--ink-600);
}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--green)}

/* ---------- 7. HEADER / NAV ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav-h);
  display:flex;align-items:center;
  transition:background .35s var(--ease),box-shadow .35s var(--ease),border-color .35s;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{background:rgba(255,255,255,.85);backdrop-filter:blur(16px);border-bottom-color:var(--border);box-shadow:var(--sh-xs)}
.nav{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.brand{display:flex;align-items:center;gap:.6rem;font-family:var(--font-display);font-weight:800;font-size:1.22rem;letter-spacing:-.02em;color:var(--ink-900)}
.brand .mark{width:34px;height:34px;flex-shrink:0}
.brand span b{color:var(--accent)}
.brand .logo-img{width:auto;height:40px;flex-shrink:0}
.footer-brand .brand .logo-img{height:60px}
.logo-crop{display:inline-flex;align-items:center;height:40px;overflow:hidden}
.logo-crop .logo-img{height:46px;transform:scale(1.12);display:block}
.footer-brand .logo-crop{height:34px}
.footer-brand .logo-crop .logo-img{height:40px}
.footer-wordmark{font-size:.62em;font-weight:600;letter-spacing:.06em;color:var(--ink-300);vertical-align:middle;margin-left:.15em}
.nav-menu{display:flex;align-items:center;gap:.35rem}
.nav-item{position:relative}
.nav-link{
  display:flex;align-items:center;gap:.3rem;padding:.6rem .9rem;border-radius:var(--r-pill);
  font-weight:500;font-size:.96rem;color:var(--ink-700);transition:color .2s,background .2s;
}
.nav-link:hover,.nav-link[aria-expanded="true"]{color:var(--accent);background:var(--ink-050)}
.nav-link .chev{width:14px;height:14px;transition:transform .3s}
.nav-link[aria-expanded="true"] .chev{transform:rotate(180deg)}
.nav-actions{display:flex;align-items:center;gap:.7rem}

/* Mega menu */
.mega{
  position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%) translateY(10px);
  width:min(720px,90vw);background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--sh-lg);padding:1.4rem;opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s;
}
.mega.open{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:.4rem}
.mega-link{display:flex;gap:.85rem;padding:.75rem;border-radius:var(--r-md);transition:background .2s}
.mega-link:hover{background:var(--ink-050)}
.mega-link .mi{width:40px;height:40px;border-radius:11px;background:var(--grad-signal-soft);color:var(--accent);display:grid;place-items:center;flex-shrink:0}
.mega-link .mi svg{width:20px;height:20px}
.mega-link h5{font-family:var(--font-display);font-size:.98rem;font-weight:600;color:var(--ink-900);margin-bottom:.15rem}
.mega-link p{font-size:.82rem;line-height:1.4}
.mega-foot{margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;font-size:.88rem}
.mega-foot a{color:var(--accent);font-weight:600}

/* Burger */
.burger{display:none;width:44px;height:44px;border:1px solid var(--border);border-radius:12px;background:#fff;cursor:pointer;position:relative}
.burger span{position:absolute;left:11px;right:11px;height:2px;background:var(--ink-800);border-radius:2px;transition:transform .3s var(--ease),opacity .2s;top:50%}
.burger span:nth-child(1){transform:translateY(-6px)}
.burger span:nth-child(3){transform:translateY(6px)}
.burger.active span:nth-child(1){transform:rotate(45deg)}
.burger.active span:nth-child(2){opacity:0}
.burger.active span:nth-child(3){transform:rotate(-45deg)}

/* Mobile drawer */
.mobile-nav{
  position:fixed;inset:var(--nav-h) 0 0;z-index:99;background:#fff;
  transform:translateX(100%);transition:transform .4s var(--ease);
  overflow-y:auto;padding:1.4rem var(--gutter) 3rem;display:flex;flex-direction:column;gap:.3rem;
}
.mobile-nav.open{transform:translateX(0)}
.m-link{padding:.9rem .2rem;border-bottom:1px solid var(--ink-100);font-family:var(--font-display);font-weight:600;font-size:1.1rem;display:flex;justify-content:space-between;align-items:center}
.m-sub{display:none;padding-left:.6rem}
.m-sub.open,.m-group.open>.m-sub{display:block}
.m-sub a{display:block;padding:.6rem .2rem;font-size:.96rem;color:var(--ink-600)}
.m-group>.m-link{cursor:pointer}
.m-group .chev{width:18px;height:18px;transition:transform .3s}
.m-group.open>.m-link .chev{transform:rotate(180deg)}

@media(max-width:1040px){
  .nav-menu{display:none}
  .nav-actions .btn:not(.always){display:none}
  .burger{display:block}
}

/* ---------- 8. FOOTER ---------- */
.site-footer{background:var(--ink-900);color:var(--ink-300);padding-top:clamp(56px,7vw,88px)}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:2rem;padding-bottom:3rem;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand .brand{color:#fff;margin-bottom:1rem}
.footer-brand p{color:var(--ink-400);max-width:32ch;font-size:.94rem}
.footer-col h5{font-family:var(--font-display);color:#fff;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:1.1rem;font-weight:600}
.footer-col a{display:block;padding:.32rem 0;color:var(--ink-400);font-size:.94rem;transition:color .2s,transform .2s}
.footer-col a:hover{color:#fff;transform:translateX(3px)}
.footer-social{display:flex;gap:.6rem;margin-top:1.3rem}
.footer-social a{width:40px;height:40px;border-radius:11px;border:1px solid rgba(255,255,255,.12);display:grid;place-items:center;color:var(--ink-300);transition:all .25s}
.footer-social a:hover{background:var(--grad-signal);color:#fff;border-color:transparent;transform:translateY(-3px)}
.footer-social svg{width:18px;height:18px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;padding-block:1.6rem;color:var(--ink-500);font-size:.86rem}
.footer-bottom a{color:var(--ink-400)}
.footer-bottom a:hover{color:#fff}
@media(max-width:860px){.footer-top{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.footer-top{grid-template-columns:1fr}}

/* ---------- 9. PAGE HERO (inner pages) ---------- */
.page-hero{padding-top:calc(var(--nav-h) + clamp(50px,8vw,90px));padding-bottom:clamp(40px,6vw,70px);position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:var(--grad-signal-soft);opacity:.5;z-index:-1}
.page-hero .container{position:relative}
.breadcrumb{display:flex;gap:.5rem;align-items:center;font-size:.85rem;color:var(--text-soft);margin-bottom:1.2rem;font-family:var(--font-mono)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:var(--ink-300)}
.page-hero h1{max-width:16ch;margin-bottom:1rem}
.page-hero p{max-width:52ch}

/* ---------- 10. STATS / COUNTERS ---------- */
.stat{text-align:left}
.stat .num{font-family:var(--font-display);font-weight:800;font-size:clamp(2.2rem,4vw,3.2rem);letter-spacing:-.03em;line-height:1;background:var(--grad-signal);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .lbl{margin-top:.5rem;color:var(--text-soft);font-size:.94rem}
.section-ink .stat .lbl{color:var(--ink-400)}
.section-ink .stat .num{background:linear-gradient(120deg,#fff,var(--cyan-400));-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- 11. ACCORDION ---------- */
.accordion{border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;background:#fff}
.acc-item+.acc-item{border-top:1px solid var(--border)}
.acc-head{width:100%;text-align:left;background:none;border:none;cursor:pointer;padding:1.3rem 1.5rem;display:flex;justify-content:space-between;align-items:center;gap:1rem;font-family:var(--font-display);font-weight:600;font-size:1.05rem;color:var(--ink-900);transition:color .2s}
.acc-head:hover{color:var(--accent)}
.acc-icon{width:26px;height:26px;flex-shrink:0;position:relative}
.acc-icon::before,.acc-icon::after{content:"";position:absolute;background:var(--accent);border-radius:2px;transition:transform .3s var(--ease)}
.acc-icon::before{top:12px;left:4px;right:4px;height:2px}
.acc-icon::after{left:12px;top:4px;bottom:4px;width:2px}
.acc-item.open .acc-icon::after{transform:scaleY(0)}
.acc-body{max-height:0;overflow:hidden;transition:max-height .4s var(--ease)}
.acc-body-inner{padding:0 1.5rem 1.4rem;color:var(--text-soft)}

/* ---------- 12. MARQUEE (clients) ---------- */
.marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;gap:3.5rem;width:max-content;animation:marquee 68s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-item{display:flex;align-items:center;justify-content:center;flex-shrink:0;height:56px;width:140px}
.marquee-item img{max-height:56px;max-width:140px;width:auto;height:auto;object-fit:contain;filter:grayscale(1) opacity(.55);transition:filter .3s var(--ease),transform .3s var(--ease)}
.marquee-item:hover img{filter:grayscale(0) opacity(1);transform:scale(1.06)}
@keyframes marquee{to{transform:translateX(calc(-50% - 1.75rem))}}

/* ---------- 13. REVEAL ANIMATIONS ---------- */
[data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease-out),transform .7s var(--ease-out)}
[data-reveal].in{opacity:1;transform:none}
[data-reveal-delay="1"]{transition-delay:.08s}
[data-reveal-delay="2"]{transition-delay:.16s}
[data-reveal-delay="3"]{transition-delay:.24s}
[data-reveal-delay="4"]{transition-delay:.32s}

/* ---------- 14. BACK TO TOP ---------- */
.to-top{position:fixed;right:22px;bottom:22px;z-index:80;width:50px;height:50px;border-radius:50%;background:var(--ink-900);color:#fff;border:none;cursor:pointer;display:grid;place-items:center;opacity:0;visibility:hidden;transform:translateY(14px);transition:all .3s var(--ease);box-shadow:var(--sh-md)}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--accent);transform:translateY(-3px)}
.to-top svg{width:20px;height:20px}

/* ---------- 15. FORMS ---------- */
.field{margin-bottom:1.1rem}
.field label{display:block;font-family:var(--font-display);font-weight:600;font-size:.9rem;margin-bottom:.4rem;color:var(--ink-800)}
.field .req{color:var(--signal-600)}
.input,.select,.textarea{
  width:100%;padding:.85rem 1rem;border:1.5px solid var(--border);border-radius:var(--r-md);
  background:#fff;font-size:.98rem;transition:border-color .2s,box-shadow .2s;
}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(216,31,38,.12)}
.textarea{resize:vertical;min-height:130px}
.field .err{display:none;color:#e5484d;font-size:.82rem;margin-top:.35rem}
.field.invalid .err{display:block}
.field.invalid .input,.field.invalid .select,.field.invalid .textarea{border-color:#e5484d}
.form-note{font-size:.84rem;color:var(--text-soft)}
.form-success{display:none;padding:1rem 1.2rem;border-radius:var(--r-md);background:rgba(31,191,117,.1);border:1px solid rgba(31,191,117,.3);color:#0f8a52;font-weight:500;margin-top:1rem}
.form-success.show{display:block}

/* ---------- 16. UTILITIES ---------- */
.center{text-align:center}
.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}
.flex{display:flex}.wrap{flex-wrap:wrap}.gap-1{gap:.6rem}.gap-2{gap:1rem}.items-center{align-items:center}.justify-center{justify-content:center}
.hide-mobile{}
@media(max-width:620px){.hide-mobile{display:none}}
.divider{height:1px;background:var(--border);border:none;margin-block:2rem}
.pill-row{display:flex;flex-wrap:wrap;gap:.6rem}

/* skip link */
.skip{position:absolute;left:-999px;top:0;z-index:200;background:var(--ink-900);color:#fff;padding:.7rem 1.2rem;border-radius:0 0 8px 0}
.skip:focus{left:0}

/* ---------- WhatsApp floating button ---------- */
.whatsapp-float{
  position:fixed;
  bottom:24px;
  right:24px;
  width:58px;
  height:58px;
  background:#25D366;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 4px 16px rgba(0,0,0,.25);
  z-index:999;
  transition:transform .2s ease;
  animation:wa-pulse 2.2s infinite;
}
.whatsapp-float svg{width:30px;height:30px;fill:#fff}
.whatsapp-float:hover{transform:scale(1.08)}
@keyframes wa-pulse{
  0%{box-shadow:0 4px 16px rgba(0,0,0,.25),0 0 0 0 rgba(37,211,102,.55)}
  70%{box-shadow:0 4px 16px rgba(0,0,0,.25),0 0 0 14px rgba(37,211,102,0)}
  100%{box-shadow:0 4px 16px rgba(0,0,0,.25),0 0 0 0 rgba(37,211,102,0)}
}
@media(max-width:620px){
  .whatsapp-float{width:52px;height:52px;bottom:18px;right:18px}
  .whatsapp-float svg{width:26px;height:26px}
}