/* ============================================================
   NEXGEN SOLUÇÕES — World-Class Dark Design System
   Inspired by: Vercel · Linear · Stripe · Framer
   Mobile-first · WCAG AA · Core Web Vitals optimized
   ============================================================ */

/* === TOKENS === */
:root {
  --teal:        #1DBFBD;
  --teal-glow:   rgba(29,191,189,.35);
  --purple:      #7B54D0;
  --purple-glow: rgba(123,84,208,.3);
  --blue:        #5B8EE0;

  --grad:        linear-gradient(135deg, #1DBFBD 0%, #5B8EE0 50%, #7B54D0 100%);
  --grad-h:      linear-gradient(90deg,  #1DBFBD 0%, #5B8EE0 50%, #7B54D0 100%);
  --grad-diag:   linear-gradient(145deg, #1DBFBD 0%, #5B8EE0 50%, #7B54D0 100%);

  --bg:          #07091A;
  --bg-2:        #0C0E21;
  --bg-3:        #10122A;

  --glass:       rgba(255,255,255,.04);
  --glass-2:     rgba(255,255,255,.06);
  --glass-hover: rgba(255,255,255,.07);

  --border:      rgba(255,255,255,.08);
  --border-2:    rgba(255,255,255,.12);
  --border-teal: rgba(29,191,189,.3);
  --border-grad: linear-gradient(135deg, rgba(29,191,189,.4), rgba(123,84,208,.4));

  --text:        #F0F0FF;
  --text-muted:  #7070A0;
  --text-dim:    rgba(240,240,255,.35);

  --font:        'Inter', 'Helvetica Neue', Arial, sans-serif;

  --s1:.25rem; --s2:.5rem; --s3:.75rem; --s4:1rem;
  --s5:1.25rem; --s6:1.5rem; --s8:2rem; --s10:2.5rem;
  --s12:3rem; --s16:4rem; --s20:5rem; --s24:6rem; --s32:8rem;

  --r-sm:.375rem; --r-md:.75rem; --r-lg:1rem;
  --r-xl:1.25rem; --r-2xl:1.75rem; --r-full:9999px;

  --max-w:   1160px;
  --hdr-h:   84px;

  --ease-out-expo: cubic-bezier(.16,1,.3,1);
  --ease-spring:   cubic-bezier(.34,1.56,.64,1);
}

/* === RESET === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{cursor:pointer;font-family:inherit}

/* === SKIP LINK === */
.skip-link{
  position:absolute;top:-100%;left:0;
  background:var(--teal);color:#fff;
  padding:.5rem 1rem;z-index:9999;
  border-radius:0 0 var(--r-sm) 0;font-weight:600;
}
.skip-link:focus{top:0}

/* === LAYOUT === */
.container{width:100%;max-width:var(--max-w);margin:0 auto;padding:0 var(--s6)}
.section{padding:var(--s20) 0}
.section--bg2{background:var(--bg-2)}

/* === NOISE TEXTURE (depth) === */
body::before{
  content:'';
  position:fixed;inset:0;z-index:0;pointer-events:none;
  opacity:.025;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* === GRADIENT TEXT === */
.gt{
  background:var(--grad);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;color:transparent;
}

/* === PILL === */
.pill{
  display:inline-flex;align-items:center;gap:var(--s2);
  padding:.3rem 1rem;
  border-radius:var(--r-full);
  font-size:.6875rem;font-weight:700;
  letter-spacing:.08em;text-transform:uppercase;
  color:var(--teal);
  background:rgba(29,191,189,.07);
  border:1px solid rgba(29,191,189,.18);
}
.pill::before{
  content:'';width:5px;height:5px;
  border-radius:var(--r-full);background:var(--teal);
  animation:blink 2.5s ease infinite;
}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}

/* === BUTTONS === */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:var(--s2);padding:.6875rem 1.625rem;
  border-radius:var(--r-full);
  font-size:.9375rem;font-weight:600;
  transition:all 280ms var(--ease-out-expo);
  border:none;white-space:nowrap;position:relative;overflow:hidden;
}

/* Primary — gradient fill */
.btn--primary{
  background:var(--grad-h);color:#fff;
  box-shadow:0 0 24px var(--teal-glow), 0 2px 8px rgba(0,0,0,.4);
}
.btn--primary:hover{
  transform:translateY(-2px) scale(1.02);
  box-shadow:0 0 40px var(--teal-glow), 0 8px 24px rgba(0,0,0,.4);
}
.btn--primary:active{transform:scale(.98)}

/* Ghost — glass with border */
.btn--ghost{
  background:var(--glass);
  color:var(--text);
  border:1px solid var(--border-2);
  backdrop-filter:blur(8px);
}
.btn--ghost:hover{
  background:var(--glass-hover);
  border-color:rgba(29,191,189,.35);
  color:var(--teal);
  transform:translateY(-2px);
}

/* === HEADER === */
.hdr{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  height:var(--hdr-h);
  display:flex;align-items:center;
  transition:all 300ms ease;
}
.hdr.scrolled{
  background:rgba(7,9,26,.85);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
  box-shadow:0 4px 32px rgba(0,0,0,.4);
}

.hdr__inner{display:flex;align-items:center;justify-content:space-between;width:100%}
.logo-pill{
  display:inline-flex;align-items:center;justify-content:center;
  background:#ffffff;
  border-radius:14px;
  padding:8px 20px;
  box-shadow:0 2px 12px rgba(0,0,0,.25);
}
.hdr__logo img{
  height:76px;width:auto;
  filter:invert(1) hue-rotate(180deg);
}
.ftr__logo-wrap{margin-bottom:var(--s4)}
.ftr__logo-wrap img{
  height:44px;width:auto;
  filter:invert(1) hue-rotate(180deg);
}
.about__logo-pill{
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.95);
  border-radius:20px;
  padding:20px 36px;
  position:relative;z-index:1;
}
.hdr__nav{display:none}
.hdr__nav-list{display:flex;align-items:center;gap:var(--s8)}
.hdr__link{
  font-size:.875rem;font-weight:500;color:var(--text-muted);
  transition:color 150ms ease;position:relative;
}
.hdr__link::after{
  content:'';position:absolute;bottom:-4px;left:0;right:0;
  height:1.5px;background:var(--grad-h);border-radius:var(--r-full);
  transform:scaleX(0);transition:transform 280ms var(--ease-out-expo);
  transform-origin:left;
}
.hdr__link:hover{color:var(--text)}
.hdr__link:hover::after{transform:scaleX(1)}
.hdr__actions{display:none;align-items:center;gap:var(--s4)}

/* Hamburger */
.hdr__burger{
  display:flex;flex-direction:column;gap:5px;
  padding:var(--s2);background:none;border:none;
}
.hdr__burger span{
  display:block;width:22px;height:2px;
  background:var(--text);border-radius:var(--r-full);
  transition:all 280ms ease;
}

/* Mobile nav */
.mob-nav{
  position:fixed;top:var(--hdr-h);left:0;right:0;bottom:0;
  background:rgba(7,9,26,.97);backdrop-filter:blur(24px);
  z-index:999;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:var(--s8);
  transform:translateX(100%);transition:transform 450ms var(--ease-out-expo);
}
.mob-nav.open{transform:translateX(0)}
.mob-nav__link{
  font-size:1.5rem;font-weight:700;color:var(--text);
  transition:color 150ms ease;
}
.mob-nav__link:hover{color:var(--teal)}

/* ================================================================
   HERO — Aurora Grade
   ================================================================ */
.hero{
  min-height:100vh;display:flex;align-items:center;
  padding-top:var(--hdr-h);position:relative;overflow:hidden;
}

/* Multi-layer aurora background */
.hero__aurora{
  position:absolute;inset:0;pointer-events:none;overflow:hidden;
}
.hero__aurora::before{
  content:'';position:absolute;
  width:900px;height:900px;
  background:radial-gradient(circle, rgba(29,191,189,.18) 0%, transparent 65%);
  top:-200px;right:-180px;
  animation:aurora-drift-a 18s ease-in-out infinite alternate;
}
.hero__aurora::after{
  content:'';position:absolute;
  width:700px;height:700px;
  background:radial-gradient(circle, rgba(123,84,208,.15) 0%, transparent 65%);
  bottom:-150px;left:-120px;
  animation:aurora-drift-b 22s ease-in-out infinite alternate;
}
.hero__aurora-mid{
  position:absolute;
  width:500px;height:500px;
  background:radial-gradient(circle, rgba(91,142,224,.1) 0%, transparent 65%);
  top:40%;left:40%;transform:translate(-50%,-50%);
  animation:aurora-drift-c 14s ease-in-out infinite alternate;
}

@keyframes aurora-drift-a{
  0%  {transform:translate(0,0) scale(1)}
  100%{transform:translate(-60px,80px) scale(1.15)}
}
@keyframes aurora-drift-b{
  0%  {transform:translate(0,0) scale(1)}
  100%{transform:translate(80px,-50px) scale(1.2)}
}
@keyframes aurora-drift-c{
  0%  {transform:translate(-50%,-50%) scale(1)}
  100%{transform:translate(-50%,-50%) scale(1.3)}
}

/* Dot grid */
.hero__grid{
  position:absolute;inset:0;
  background-image:
    radial-gradient(circle, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size:40px 40px;
  mask-image:radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 75%);
}

/* Gradient line at bottom of hero */
.hero__line{
  position:absolute;bottom:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,
    transparent,rgba(29,191,189,.4) 30%,
    rgba(123,84,208,.4) 70%,transparent);
}

.hero__inner{
  position:relative;z-index:1;
  text-align:center;padding:var(--s16) 0 var(--s12);
}

.hero__pill{margin-bottom:var(--s8)}

.hero__h1{
  font-size:clamp(2.75rem, 7.5vw, 5.5rem);
  font-weight:900;line-height:1.05;
  letter-spacing:-.04em;
  color:var(--text);
  margin-bottom:var(--s6);
}

.hero__sub{
  font-size:clamp(1rem, 2vw, 1.1875rem);
  color:var(--text-muted);
  max-width:520px;margin:0 auto var(--s10);
  line-height:1.8;font-weight:400;
}

.hero__cta{
  display:flex;gap:var(--s4);
  justify-content:center;flex-wrap:wrap;
  margin-bottom:var(--s16);
}

/* Stats */
.hero__stats{
  display:flex;gap:var(--s10);
  justify-content:center;flex-wrap:wrap;
  padding-top:var(--s8);
  border-top:1px solid var(--border);
}
.hero__stat{text-align:center}
.hero__stat-val{
  display:block;
  font-size:clamp(2rem,4.5vw,2.75rem);
  font-weight:900;line-height:1;
  background:var(--grad);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero__stat-lbl{
  font-size:.8125rem;color:var(--text-muted);
  font-weight:500;margin-top:var(--s1);
}

/* Scroll hint */
.hero__scroll{
  position:absolute;bottom:var(--s8);left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:var(--s2);
  color:var(--text-dim);font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;
  animation:scroll-bob 2.5s ease-in-out infinite;
}
.hero__scroll-arrow{
  width:20px;height:20px;
  border-right:1.5px solid rgba(255,255,255,.3);
  border-bottom:1.5px solid rgba(255,255,255,.3);
  transform:rotate(45deg);
}
@keyframes scroll-bob{
  0%,100%{transform:translateX(-50%) translateY(0)}
  50%{transform:translateX(-50%) translateY(6px)}
}

/* ================================================================
   SECTION HEADER
   ================================================================ */
.sh{text-align:center;margin-bottom:var(--s12)}
.sh__pill{margin-bottom:var(--s5)}
.sh__title{
  font-size:clamp(2rem,4.5vw,3rem);
  font-weight:900;letter-spacing:-.035em;
  color:var(--text);line-height:1.1;
  margin-bottom:var(--s4);
}
.sh__desc{
  font-size:1.0625rem;color:var(--text-muted);
  max-width:480px;margin:0 auto;line-height:1.75;
}

/* ================================================================
   SERVICES — Glass cards with gradient top border
   ================================================================ */
.svc-grid{
  display:grid;grid-template-columns:1fr;gap:var(--s4);
}

.svc{
  position:relative;
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--r-2xl);
  padding:var(--s8) var(--s6);
  transition:all 320ms var(--ease-out-expo);
  overflow:hidden;
}

/* Top gradient bar */
.svc::before{
  content:'';position:absolute;
  top:0;left:0;right:0;height:1px;
  background:var(--grad-h);
  transform:scaleX(0);transform-origin:left;
  transition:transform 350ms var(--ease-out-expo);
}

/* Glow on hover */
.svc::after{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 50% 0%, rgba(29,191,189,.07) 0%, transparent 70%);
  opacity:0;transition:opacity 350ms ease;
}

.svc:hover{
  border-color:rgba(29,191,189,.22);
  transform:translateY(-5px);
  box-shadow:0 24px 60px rgba(0,0,0,.4), 0 0 0 1px rgba(29,191,189,.1);
}
.svc:hover::before{transform:scaleX(1)}
.svc:hover::after{opacity:1}

.svc__num{
  font-size:.6875rem;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:var(--text-dim);
  margin-bottom:var(--s5);position:relative;z-index:1;
}

.svc__icon{
  width:48px;height:48px;
  border-radius:var(--r-md);
  background:rgba(29,191,189,.08);
  border:1px solid rgba(29,191,189,.15);
  display:flex;align-items:center;justify-content:center;
  font-size:1.25rem;margin-bottom:var(--s5);
  position:relative;z-index:1;
}

.svc__title{
  font-size:1.0625rem;font-weight:700;
  color:var(--text);margin-bottom:var(--s3);
  position:relative;z-index:1;
}
.svc__desc{
  font-size:.9rem;color:var(--text-muted);
  line-height:1.7;position:relative;z-index:1;
}

/* ================================================================
   ABOUT
   ================================================================ */
.about__grid{
  display:grid;grid-template-columns:1fr;
  gap:var(--s12);align-items:center;
}

/* Logo visual — glowing frame */
.about__vis{display:flex;align-items:center;justify-content:center}
.about__frame{
  position:relative;
  width:320px;height:320px;
  border-radius:var(--r-2xl);
  background:var(--glass);
  border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto;overflow:hidden;
}
.about__frame::before{
  content:'';position:absolute;inset:0;
  background:
    radial-gradient(circle at 30% 20%, rgba(29,191,189,.12) 0%, transparent 60%),
    radial-gradient(circle at 70% 80%, rgba(123,84,208,.1) 0%, transparent 60%);
}
.about__frame::after{
  content:'';position:absolute;
  bottom:0;left:0;right:0;height:2px;
  background:var(--grad-h);
}
.about__frame img{
  width:240px;height:auto;
  position:relative;z-index:1;
  filter:invert(1) hue-rotate(180deg);
}

/* Orbiting rings */
.about__ring{
  position:absolute;border-radius:var(--r-full);
  border:1px dashed rgba(29,191,189,.12);
}
.about__ring--1{
  width:400px;height:400px;
  animation:spin 25s linear infinite;
}
.about__ring--2{
  width:480px;height:480px;
  animation:spin 40s linear infinite reverse;
  border-color:rgba(123,84,208,.08);
}
@keyframes spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}

.about__pill{margin-bottom:var(--s4)}
.about__title{
  font-size:clamp(2rem,4vw,2.75rem);
  font-weight:900;letter-spacing:-.03em;
  color:var(--text);line-height:1.1;margin-bottom:var(--s5);
}
.about__p{
  font-size:1rem;color:var(--text-muted);
  line-height:1.8;margin-bottom:var(--s5);
}

.vals{display:grid;grid-template-columns:1fr 1fr;gap:var(--s4);margin-top:var(--s2)}
.val{display:flex;gap:var(--s3);align-items:flex-start}
.val__icon{
  width:34px;height:34px;flex-shrink:0;
  border-radius:var(--r-sm);
  background:rgba(29,191,189,.07);
  border:1px solid rgba(29,191,189,.13);
  display:flex;align-items:center;justify-content:center;
  font-size:.875rem;margin-top:1px;
}
.val__lbl{display:block;font-size:.875rem;font-weight:600;color:var(--text)}
.val__sub{font-size:.8rem;color:var(--text-muted)}

/* ================================================================
   PROCESS — numbered steps with gradient numbers
   ================================================================ */
.proc-grid{display:grid;grid-template-columns:1fr;gap:var(--s8)}
.proc{display:flex;gap:var(--s5);align-items:flex-start}
.proc__num{
  width:46px;height:46px;flex-shrink:0;
  border-radius:var(--r-full);
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  font-size:.8125rem;font-weight:800;color:#fff;
  box-shadow:0 0 20px var(--teal-glow);
}
.proc__title{font-size:1rem;font-weight:700;color:var(--text);margin-bottom:var(--s1)}
.proc__desc{font-size:.9rem;color:var(--text-muted);line-height:1.7}

/* ================================================================
   DIFFERENTIALS
   ================================================================ */
.diff-grid{display:grid;grid-template-columns:1fr;gap:var(--s3)}
.diff{
  display:flex;gap:var(--s5);align-items:flex-start;
  padding:var(--s5) var(--s6);
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--r-xl);
  transition:all 280ms var(--ease-out-expo);
}
.diff:hover{
  border-color:rgba(29,191,189,.2);
  background:var(--glass-2);
  transform:translateX(5px);
  box-shadow:0 8px 32px rgba(0,0,0,.3);
}
.diff__icon{font-size:1.625rem;flex-shrink:0}
.diff__title{display:block;font-size:.9375rem;font-weight:700;color:var(--text);margin-bottom:2px}
.diff__desc{font-size:.875rem;color:var(--text-muted)}

/* ================================================================
   CTA SECTION — the grand finale
   ================================================================ */
.cta{
  position:relative;overflow:hidden;
  padding:var(--s32) 0;
}
.cta::before{
  content:'';position:absolute;inset:0;
  background:
    radial-gradient(ellipse 70% 90% at 15% 50%, rgba(29,191,189,.12) 0%, transparent 60%),
    radial-gradient(ellipse 70% 90% at 85% 50%, rgba(123,84,208,.12) 0%, transparent 60%),
    var(--bg-3);
}

/* Gradient border top/bottom */
.cta::after{
  content:'';position:absolute;
  top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,
    transparent,rgba(29,191,189,.5) 30%,
    rgba(123,84,208,.5) 70%,transparent);
}

.cta__inner{
  position:relative;z-index:1;text-align:center;
}
.cta__title{
  font-size:clamp(2.25rem,6vw,4.25rem);
  font-weight:900;letter-spacing:-.04em;
  color:var(--text);line-height:1.05;margin-bottom:var(--s6);
}
.cta__desc{
  font-size:1.125rem;color:var(--text-muted);
  max-width:460px;margin:0 auto var(--s10);line-height:1.75;
}
.cta__actions{
  display:flex;gap:var(--s4);
  justify-content:center;flex-wrap:wrap;margin-bottom:var(--s10);
}
.cta__contacts{
  display:flex;gap:var(--s8);
  justify-content:center;flex-wrap:wrap;
}
.cta__contact{
  display:flex;align-items:center;gap:var(--s2);
  font-size:.875rem;color:var(--text-dim);
}

/* ================================================================
   FOOTER
   ================================================================ */
.ftr{
  background:var(--bg-2);
  border-top:1px solid var(--border);
  padding:var(--s12) 0 var(--s8);
}
.ftr__grid{
  display:grid;grid-template-columns:1fr;
  gap:var(--s8);margin-bottom:var(--s8);
}
.ftr__logo{height:34px;width:auto;margin-bottom:var(--s4)}
.ftr__tag{font-size:.875rem;color:var(--text-muted);line-height:1.65;max-width:240px}
.ftr__col-h{
  font-size:.75rem;font-weight:700;
  text-transform:uppercase;letter-spacing:.09em;
  color:var(--text);margin-bottom:var(--s4);
}
.ftr__links{display:flex;flex-direction:column;gap:var(--s3)}
.ftr__link{
  font-size:.875rem;color:var(--text-muted);
  transition:color 150ms ease;
}
.ftr__link:hover{color:var(--teal)}

.ftr__bottom{
  border-top:1px solid var(--border);padding-top:var(--s6);
  display:flex;flex-direction:column;gap:var(--s3);
  align-items:center;text-align:center;
}
.ftr__copy{font-size:.8125rem;color:var(--text-muted)}
.ftr__cnpj{font-size:.75rem;color:var(--text-dim)}

/* ================================================================
   SCROLL REVEAL
   ================================================================ */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .65s var(--ease-out-expo),transform .65s var(--ease-out-expo)}
.reveal.visible{opacity:1;transform:translateY(0)}
.d1{transition-delay:.1s}.d2{transition-delay:.2s}
.d3{transition-delay:.3s}.d4{transition-delay:.4s}.d5{transition-delay:.5s}

/* ================================================================
   GRADIENT BORDER UTILITY (pseudo wrapper)
   ================================================================ */
.g-border{
  position:relative;border-radius:inherit;
}
.g-border::before{
  content:'';position:absolute;inset:-1px;z-index:-1;
  border-radius:inherit;
  background:var(--grad-diag);opacity:.4;
  transition:opacity 280ms ease;
}
.g-border:hover::before{opacity:.7}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media(min-width:640px){
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .diff-grid{grid-template-columns:repeat(2,1fr)}
  .ftr__grid{grid-template-columns:repeat(2,1fr)}
  .form-row{grid-template-columns:repeat(2,1fr)}
}

@media(min-width:1024px){
  .hdr__nav{display:flex}
  .hdr__actions{display:flex}
  .hdr__burger{display:none}
  .svc-grid{grid-template-columns:repeat(3,1fr)}
  .about__grid{grid-template-columns:1fr 1fr}
  .proc-grid{grid-template-columns:repeat(2,1fr)}
  .diff-grid{grid-template-columns:repeat(3,1fr)}
  .ftr__grid{grid-template-columns:2fr 1fr 1fr 1fr}
  .ftr__bottom{flex-direction:row;justify-content:space-between;text-align:left}
  .contact-grid{grid-template-columns:1fr 1.4fr}
}

/* ================================================================
   WHATSAPP FLOATING BUTTON
   ================================================================ */
.wa-float{
  position:fixed;
  bottom:var(--s6);right:var(--s6);
  z-index:9998;
  width:58px;height:58px;
  border-radius:var(--r-full);
  background:#25D366;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 24px rgba(37,211,102,.45), 0 2px 8px rgba(0,0,0,.3);
  transition:all 280ms var(--ease-out-expo);
  border:none;
  cursor:pointer;
  text-decoration:none;
}
.wa-float:hover{
  transform:scale(1.1) translateY(-3px);
  box-shadow:0 8px 36px rgba(37,211,102,.55), 0 4px 12px rgba(0,0,0,.3);
  background:#20c05a;
}
.wa-float:active{transform:scale(.95)}
.wa-float svg{width:30px;height:30px;fill:#fff;flex-shrink:0}

/* Pulse ring */
.wa-float::before{
  content:'';
  position:absolute;inset:-6px;
  border-radius:var(--r-full);
  border:2px solid rgba(37,211,102,.5);
  animation:wa-pulse 2.5s ease-out infinite;
}
.wa-float::after{
  content:'';
  position:absolute;inset:-12px;
  border-radius:var(--r-full);
  border:2px solid rgba(37,211,102,.25);
  animation:wa-pulse 2.5s ease-out .5s infinite;
}
@keyframes wa-pulse{
  0%  {transform:scale(1);opacity:1}
  100%{transform:scale(1.5);opacity:0}
}

/* Tooltip */
.wa-float__tip{
  position:absolute;
  right:calc(100% + 12px);
  top:50%;transform:translateY(-50%);
  background:rgba(7,9,26,.92);
  border:1px solid var(--border);
  color:var(--text);
  font-size:.8125rem;font-weight:500;
  white-space:nowrap;
  padding:.375rem .875rem;
  border-radius:var(--r-md);
  pointer-events:none;
  opacity:0;
  transition:opacity 200ms ease;
  backdrop-filter:blur(8px);
}
.wa-float__tip::after{
  content:'';position:absolute;
  left:100%;top:50%;transform:translateY(-50%);
  border:5px solid transparent;
  border-left-color:rgba(7,9,26,.92);
}
.wa-float:hover .wa-float__tip{opacity:1}

/* ================================================================
   CONTACT FORM SECTION
   ================================================================ */
.contact-section{
  padding:var(--s20) 0;
  background:var(--bg-2);
  position:relative;overflow:hidden;
}
.contact-section::before{
  content:'';position:absolute;
  width:600px;height:600px;
  background:radial-gradient(circle,rgba(29,191,189,.07) 0%,transparent 65%);
  top:-200px;right:-150px;pointer-events:none;
}

.contact-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:var(--s12);
  align-items:start;
}

/* Left — info panel */
.contact-info__title{
  font-size:clamp(1.75rem,3.5vw,2.5rem);
  font-weight:900;letter-spacing:-.03em;
  color:var(--text);line-height:1.15;
  margin-bottom:var(--s5);
}
.contact-info__desc{
  font-size:1rem;color:var(--text-muted);
  line-height:1.75;margin-bottom:var(--s8);
}

.contact-cards{display:flex;flex-direction:column;gap:var(--s3)}
.contact-card{
  display:flex;align-items:flex-start;gap:var(--s4);
  padding:var(--s5);
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--r-xl);
  transition:border-color 200ms ease;
}
.contact-card:hover{border-color:var(--border-teal)}
.contact-card__icon{
  width:40px;height:40px;flex-shrink:0;
  border-radius:var(--r-md);
  background:rgba(29,191,189,.08);
  border:1px solid rgba(29,191,189,.15);
  display:flex;align-items:center;justify-content:center;
  font-size:1rem;
}
.contact-card__label{
  font-size:.75rem;font-weight:600;
  text-transform:uppercase;letter-spacing:.07em;
  color:var(--text-dim);margin-bottom:2px;
}
.contact-card__value{
  font-size:.9rem;font-weight:500;
  color:var(--text);
}
.contact-card__value a{
  color:inherit;transition:color 150ms ease;
}
.contact-card__value a:hover{color:var(--teal)}

/* Right — form card */
.contact-form-card{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--r-2xl);
  padding:var(--s8);
  position:relative;overflow:hidden;
}
.contact-form-card::before{
  content:'';position:absolute;
  top:0;left:0;right:0;height:1px;
  background:var(--grad-h);
}

/* Form fields */
.form-row{
  display:grid;
  grid-template-columns:1fr;
  gap:var(--s4);
  margin-bottom:var(--s4);
}
.form-group{display:flex;flex-direction:column;gap:var(--s2)}
.form-label{
  font-size:.8125rem;font-weight:600;
  color:var(--text-muted);
  letter-spacing:.03em;
}
.form-label span{color:var(--teal);margin-left:2px}

.form-input,
.form-select,
.form-textarea{
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:.6875rem var(--s4);
  font-size:.9375rem;
  color:var(--text);
  font-family:var(--font);
  transition:all 200ms ease;
  outline:none;
  width:100%;
}
.form-input::placeholder,
.form-textarea::placeholder{color:var(--text-dim)}
.form-select{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%237070A0' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:2.5rem}
.form-select option{background:var(--bg-2);color:var(--text)}
.form-textarea{resize:vertical;min-height:120px;line-height:1.6}

.form-input:focus,
.form-select:focus,
.form-textarea:focus{
  border-color:var(--teal);
  background:rgba(29,191,189,.04);
  box-shadow:0 0 0 3px rgba(29,191,189,.12);
}

/* Submit */
.form-submit{width:100%;padding:.875rem;font-size:1rem;border-radius:var(--r-xl);margin-top:var(--s2)}
.form-submit:disabled{opacity:.6;cursor:not-allowed;transform:none!important}

/* Status messages */
.form-success,
.form-error{
  display:none;
  padding:var(--s4) var(--s5);
  border-radius:var(--r-lg);
  font-size:.9rem;font-weight:500;
  margin-top:var(--s4);
  text-align:center;
}
.form-success{background:rgba(29,191,189,.1);border:1px solid rgba(29,191,189,.3);color:var(--teal)}
.form-error{background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3);color:#f87171}
.form-success.show,.form-error.show{display:block}

/* ================================================================
   SCROLL PROGRESS BAR
   ================================================================ */
#scrollProgress{
  position:fixed;top:0;left:0;
  height:3px;width:0%;
  background:linear-gradient(90deg,#1DBFBD,#5B8EE0,#7B54D0);
  z-index:10001;pointer-events:none;
  transition:width .08s linear;
}

/* ================================================================
   BACK TO TOP
   ================================================================ */
#backTop{
  position:fixed;bottom:5.5rem;right:1.5rem;
  width:44px;height:44px;border-radius:50%;
  background:linear-gradient(135deg,#1DBFBD,#7B54D0);
  border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  opacity:0;transform:translateY(16px);
  transition:opacity .3s ease,transform .3s ease,box-shadow .3s ease;
  z-index:998;
  box-shadow:0 4px 16px rgba(29,191,189,.35);
}
#backTop svg{stroke:#fff;width:18px;height:18px}
#backTop.visible{opacity:1;transform:translateY(0)}
#backTop:hover{transform:translateY(-4px);box-shadow:0 8px 28px rgba(29,191,189,.55)}
#backTop:focus-visible{outline:2px solid #1DBFBD;outline-offset:3px}

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