/* =========================================================
   IMPULSA+ — design tokens
   ink:     #1B1230  deep violet-black (text / dark surfaces)
   paper:   #FBF7F2  warm paper background
   flame:   #FF5A3C  primary accent (CTA / heat)
   magenta: #C6297A  secondary accent (gradient partner)
   gold:    #F5B942  highlight / badges
   mist:    #EFEAFB  soft card tint
   ========================================================= */

:root{
  --ink: #1B1230;
  --ink-70: rgba(27,18,48,.7);
  --ink-50: rgba(27,18,48,.5);
  --paper: #FBF7F2;
  --flame: #FF5A3C;
  --magenta: #C6297A;
  --gold: #F5B942;
  --mist: #EFEAFB;
  --line: rgba(27,18,48,.12);
  --line-strong: rgba(27,18,48,.22);
  --white: #ffffff;
  --success: #1E8E5A;

  --grad-heat: linear-gradient(90deg, var(--flame), var(--gold));
  --grad-night: linear-gradient(160deg, #1B1230 0%, #2A1A4A 60%, #3A1E44 100%);

  --font-display: "Sora", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --radius-s: 10px;
  --radius-m: 16px;
  --radius-l: 28px;
  --shadow-card: 0 4px 24px rgba(27,18,48,.06);
  --shadow-pop: 0 16px 40px rgba(27,18,48,.16);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img,svg{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
button{ font-family: inherit; cursor:pointer; }
input{ font-family: inherit; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3{ font-family: var(--font-display); margin:0; }

.container{
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

:focus-visible{
  outline: 2px solid var(--flame);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  border: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .01em;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space: nowrap;
}
.btn--primary{
  background: var(--grad-heat);
  color: var(--ink);
  box-shadow: 0 8px 20px rgba(255,90,60,.35);
}
.btn--primary:hover{ transform: translateY(-2px); box-shadow: 0 12px 26px rgba(255,90,60,.45); }
.btn--ghost{
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--line-strong);
}
.btn--ghost:hover{ background: var(--mist); }
.btn--light{
  background: var(--paper);
  color: var(--ink);
}
.btn--light:hover{ transform: translateY(-2px); }
.btn--whatsapp{
  background: #E9F8EF;
  color: var(--success);
  border: 1.5px solid rgba(30,142,90,.3);
}
.btn--whatsapp:hover{ background: #DBF3E4; }
.btn--block{ width: 100%; }
.btn--linklike{
  background: none;
  border: none;
  color: var(--ink-50);
  text-decoration: underline;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 13px;
  padding: 6px;
}

/* ---------- header ---------- */
.header{
  position: sticky;
  top:0;
  z-index: 40;
  background: rgba(251,247,242,.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header__inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  color: var(--ink);
  flex-shrink:0;
}
.logo__mark{ width:28px; height:28px; }
.logo__mark svg{ width:100%; height:100%; }
.logo__plus{ color: var(--flame); }

.nav{
  display:flex;
  gap: 4px;
  overflow-x:auto;
  scrollbar-width: none;
}
.nav::-webkit-scrollbar{ display:none; }
.nav__link{
  background:none;
  border:none;
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-70);
  white-space: nowrap;
  transition: background .15s ease, color .15s ease;
}
.nav__link:hover{ background: var(--mist); }
.nav__link.is-active{ background: var(--ink); color: var(--paper); }

/* hamburger (mobile) */
.menu-btn{
  display:none;
  width: 40px; height:40px;
  border-radius: 50%;
  border:none;
  background: var(--mist);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.menu-btn span{
  display:block;
  width:18px; height:2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}
.menu-btn.is-open span:nth-child(1){ transform: translateY(6px) rotate(45deg); }
.menu-btn.is-open span:nth-child(2){ opacity:0; }
.menu-btn.is-open span:nth-child(3){ transform: translateY(-6px) rotate(-45deg); }

.mobile-nav{
  display:none;
  flex-direction:column;
  gap:2px;
  max-height:0;
  overflow:hidden;
  border-top: 1px solid var(--line);
  transition: max-height .25s ease;
}
.mobile-nav.is-open{ max-height: 400px; }
.mobile-nav__link{
  background:none;
  border:none;
  text-align:left;
  padding: 14px 24px;
  font-size: 15px;
  font-weight:600;
  color: var(--ink-70);
  border-bottom: 1px solid var(--line);
}
.mobile-nav__link.is-active{ color: var(--flame); }

.header__actions{ display:flex; align-items:center; gap:10px; flex-shrink:0; }

.cart-btn{
  position: relative;
  background: var(--mist);
  border: none;
  width: 44px; height:44px;
  border-radius: 50%;
  display:flex; align-items:center; justify-content:center;
  color: var(--ink);
  flex-shrink:0;
  transition: background .15s ease, transform .15s ease;
}
.cart-btn:hover{ background: #E4DBF7; transform: translateY(-1px); }
.cart-btn svg{ width:20px; height:20px; }
.cart-btn__count{
  position:absolute;
  top:-4px; right:-4px;
  background: var(--flame);
  color:#fff;
  font-family: var(--font-mono);
  font-size: 11px;
  min-width: 18px; height:18px;
  border-radius: 999px;
  display:flex; align-items:center; justify-content:center;
  padding: 0 4px;
}

/* ---------- hero ---------- */
.hero{
  position: relative;
  background: var(--paper);
  padding: 72px 0 56px;
  overflow: hidden;
}
.hero::before{
  content:"";
  position:absolute;
  top:-220px; right:-160px;
  width: 640px; height:640px;
  background: radial-gradient(circle, rgba(255,90,60,.18), rgba(245,185,66,.1) 45%, transparent 70%);
  pointer-events:none;
  z-index:0;
}
.hero::after{
  content:"";
  position:absolute;
  bottom:-260px; left:-200px;
  width: 520px; height:520px;
  background: radial-gradient(circle, rgba(198,41,122,.12), transparent 70%);
  pointer-events:none;
  z-index:0;
}
.hero__grid{ position:relative; z-index:1; }
.hero__grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 56px;
  align-items:center;
}
.eyebrow{
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--magenta);
  margin: 0 0 14px;
}
.hero__title{
  font-size: clamp(38px, 5vw, 60px);
  line-height: 1.05;
  font-weight: 800;
  margin-bottom: 20px;
}
.text-gradient{
  background: var(--grad-heat);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__lead{
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-70);
  max-width: 480px;
  margin: 0 0 28px;
}
.hero__actions{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom: 26px; }
.hero__trust{
  display:flex; gap:20px; flex-wrap:wrap;
  font-size: 13px;
  color: var(--ink-70);
  font-weight: 500;
}

/* phone mockup */
.hero__panel{ display:flex; justify-content:center; }
.phone{
  position: relative;
  width: 300px;
  padding: 18px 16px 26px;
  border-radius: 34px;
  background: var(--grad-night);
  box-shadow: var(--shadow-pop);
}
.phone__notch{
  width: 60px; height:6px;
  background: rgba(255,255,255,.25);
  border-radius: 999px;
  margin: 0 auto 16px;
}
.phone__screen{
  background: rgba(255,255,255,.06);
  border-radius: 22px;
  padding: 20px 16px;
}
.phone__profile{ display:flex; align-items:center; gap:12px; margin-bottom:18px; }
.phone__avatar{
  width:44px; height:44px; border-radius:50%;
  background: var(--grad-heat);
  flex-shrink:0;
}
.phone__handle{ color:#fff; font-weight:600; font-family: var(--font-display); font-size:14px; }
.phone__stats{ display:flex; justify-content:space-between; margin-bottom:22px; }
.phone__stat{ display:flex; flex-direction:column; gap:2px; }
.phone__stat-num{ color:#fff; font-family: var(--font-mono); font-weight:700; font-size:16px; }
.phone__stat-label{ color: rgba(255,255,255,.55); font-size: 11px; text-transform:uppercase; letter-spacing:.04em; }
.phone__bars{
  display:flex; align-items:flex-end; gap:6px; height:70px;
}
.phone__bar{
  flex:1;
  height: var(--h);
  background: var(--grad-heat);
  border-radius: 4px 4px 0 0;
  opacity: .9;
  animation: rise 1.8s ease-out both;
}
@keyframes rise{ from{ transform: scaleY(0); transform-origin:bottom; opacity:0; } to{ transform: scaleY(1); opacity:.9; } }
.phone__badge{
  position:absolute;
  bottom: -14px; right: 18px;
  background: var(--gold);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 999px;
  box-shadow: var(--shadow-card);
}

/* ---------- stats ---------- */
.stats{ background: var(--ink); padding: 40px 0; }
.stats__grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align:center;
}
.stat strong{
  display:block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 30px);
  color: #fff;
}
.stat span{ font-size: 13px; color: rgba(255,255,255,.6); }

/* ---------- section heads ---------- */
.section-eyebrow{
  font-family: var(--font-mono);
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--magenta);
  margin: 0 0 10px;
}
.section-eyebrow--light{ color: var(--gold); }
.section-title{
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 800;
  margin: 0 0 40px;
  max-width: 640px;
}
.section-title--light{ color: #fff; }

/* ---------- why us ---------- */
.why{ padding: 88px 24px; }
.why__grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.why__card{
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 26px;
}
.why__icon{ font-size: 26px; display:block; margin-bottom:14px; }
.why__card h3{ font-size: 17px; margin-bottom: 8px; }
.why__card p{ font-size: 14px; line-height:1.55; color: var(--ink-70); margin:0; }

/* ---------- platform picker ---------- */
.platform-picker{ padding: 40px 24px 88px; }
.platform-picker__grid{
  display:grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}
.platform-card{
  background: #fff;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-m);
  padding: 22px 12px;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:10px;
  text-align:center;
  transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.platform-card:hover{ transform: translateY(-3px); box-shadow: var(--shadow-card); }
.platform-card.is-active{ border-color: var(--flame); background: var(--mist); }
.platform-card__icon{
  width: 42px; height:42px;
  border-radius: 50%;
  display:flex; align-items:center; justify-content:center;
  color:#fff;
}
.platform-card__icon svg{ width:20px; height:20px; }
.platform-card span{ font-size: 13px; font-weight: 600; }

/* ---------- packages ---------- */
.packages{ padding: 40px 24px 96px; }
.packages__head{ margin-bottom: 30px; }
.packages__grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.package-card{
  background:#fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 22px;
  position: relative;
  display:flex;
  flex-direction:column;
  gap: 14px;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.package-card:hover{
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(255,90,60,.12);
  border-color: rgba(255,90,60,.35);
}
.package-card__badge{
  position:absolute;
  top:14px; right:14px;
  background: var(--gold);
  color: var(--ink);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
}
.package-card__service{ font-size: 12px; color: var(--ink-70); font-weight:600; text-transform:uppercase; letter-spacing:.03em; }
.package-card__qty{ font-family: var(--font-display); font-size: 26px; font-weight:800; }
.package-card__price{ display:flex; align-items:baseline; gap:8px; }
.package-card__price ins{ text-decoration:none; font-family: var(--font-mono); font-weight:700; font-size: 18px; }
.package-card__price del{ font-family: var(--font-mono); font-size: 13px; color: var(--ink-50); }
.package-card__eta{ font-size: 12px; color: var(--ink-50); }
.package-card .btn{ margin-top: auto; padding: 11px 20px; font-size:13px; }

/* ---------- builder (signature) ---------- */
.builder{
  background: var(--grad-night);
  padding: 88px 0 96px;
}
.builder__panel{
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-l);
  padding: 36px;
  backdrop-filter: blur(6px);
}
.builder__config{ display:flex; flex-direction:column; gap: 26px; }
.builder__row{ display:flex; flex-direction:column; gap:10px; }
.builder__row-label{ font-size: 13px; font-weight:600; color: rgba(255,255,255,.8); }
.chips{ display:flex; flex-wrap:wrap; gap:8px; }
.chip{
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  color: #fff;
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 600;
  transition: background .15s ease, border-color .15s ease;
}
.chip:hover{ background: rgba(255,255,255,.16); }
.chip.is-active{
  background: var(--grad-heat);
  color: var(--ink);
  border-color: transparent;
}

.text-input{
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.16);
  color: #fff;
  padding: 13px 16px;
  border-radius: var(--radius-s);
  font-size: 14px;
}
.text-input::placeholder{ color: rgba(255,255,255,.4); }
.builder__hint{ font-size: 12px; color: rgba(255,255,255,.45); margin:0; }

/* throttle / speed-lever slider — the signature element */
.throttle{
  background: rgba(0,0,0,.18);
  border-radius: var(--radius-m);
  padding: 26px 24px 20px;
  border: 1px solid rgba(255,255,255,.08);
}
.throttle__readout{
  display:flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 20px;
  gap: 12px;
  flex-wrap: wrap;
}
.throttle__qty-wrap{ display:flex; align-items:baseline; gap:10px; }
.throttle__qty{
  background:none;
  border:none;
  color:#fff;
  font-family: var(--font-mono);
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 700;
  width: 160px;
  padding: 0;
}
.throttle__qty-suffix{ color: rgba(255,255,255,.55); font-size: 14px; font-weight:600; }
.throttle__price{
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--gold);
}
.throttle__track-wrap{ position: relative; padding-bottom: 26px; }
.throttle__slider{
  -webkit-appearance:none;
  appearance:none;
  width:100%;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--flame) 0%, var(--gold) var(--fill,50%), rgba(255,255,255,.12) var(--fill,50%));
  outline: none;
}
.throttle__slider::-webkit-slider-thumb{
  -webkit-appearance:none;
  appearance:none;
  width: 26px; height:26px;
  border-radius: 50%;
  background: #fff;
  border: 5px solid var(--flame);
  box-shadow: 0 0 0 6px rgba(255,90,60,.2);
  cursor:pointer;
  transition: box-shadow .15s ease;
}
.throttle__slider:active::-webkit-slider-thumb{ box-shadow: 0 0 0 9px rgba(255,90,60,.28); }
.throttle__slider::-moz-range-thumb{
  width: 26px; height:26px;
  border-radius: 50%;
  background: #fff;
  border: 5px solid var(--flame);
  cursor:pointer;
}
.throttle__ticks{
  position:absolute;
  left:0; right:0; bottom:0;
  display:flex; justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(255,255,255,.4);
}
.throttle__meta{
  display:flex; align-items:center; gap:14px; flex-wrap:wrap;
  font-size: 13px;
}
.throttle__old{ color: rgba(255,255,255,.4); text-decoration: line-through; font-family: var(--font-mono); }
.throttle__saved{ color: var(--gold); font-weight:700; }
.throttle__eta{ color: rgba(255,255,255,.55); margin-left:auto; }
.throttle__min-note{ font-size: 12px; color: rgba(255,255,255,.4); margin: 10px 0 0; }

.builder__actions{ display:flex; flex-direction:column; gap: 12px; margin-top: 6px; }

/* ---------- how it works ---------- */
.how{ padding: 96px 24px; }
.how__grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.how__num{
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--flame);
  font-weight: 700;
  display:block;
  margin-bottom: 14px;
}
.how__step h3{ font-size: 17px; margin-bottom:8px; }
.how__step p{ font-size: 14px; color: var(--ink-70); line-height:1.55; margin:0; }

/* ---------- testimonials ---------- */
.testimonials{ background: var(--mist); padding: 88px 0; }
.testimonials__grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.testimonial{
  background:#fff;
  border-radius: var(--radius-m);
  padding: 26px;
  border: 1px solid var(--line);
}
.testimonial__stars{ color: var(--gold); letter-spacing: 2px; margin-bottom: 12px; }
.testimonial h3{ font-size: 16px; margin-bottom: 8px; }
.testimonial p{ font-size: 14px; color: var(--ink-70); line-height:1.55; margin:0 0 14px; }
.testimonial__author{ font-size: 13px; font-weight:600; color: var(--ink-50); }

/* ---------- guarantee ---------- */
.guarantee{ padding: 0 24px 96px; }
.guarantee__box{
  background: var(--ink);
  border-radius: var(--radius-l);
  padding: 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 24px;
  flex-wrap:wrap;
}
.guarantee__box h2{ color:#fff; font-size: clamp(22px,3vw,30px); margin-bottom:8px; }
.guarantee__box p{ color: rgba(255,255,255,.65); margin:0; max-width:420px; font-size:14.5px; }

/* ---------- footer ---------- */
.footer{ background: var(--ink); color: rgba(255,255,255,.7); padding-top: 64px; }
.footer__grid{
  display:grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.logo--footer{ color:#fff; margin-bottom: 12px; }
.footer__brand p{ font-size: 13.5px; max-width: 240px; line-height:1.5; }
.footer__col h4{ color:#fff; font-size: 13px; margin: 0 0 14px; text-transform:uppercase; letter-spacing:.04em; }
.footer__col ul{ display:flex; flex-direction:column; gap: 10px; font-size: 13.5px; }
.footer__col a:hover{ color:#fff; }
.footer__bottom{
  display:flex; justify-content:space-between; gap: 16px; flex-wrap:wrap;
  padding: 22px 24px;
  font-size: 12.5px;
}
.footer__disclaimer{ color: rgba(255,255,255,.4); max-width: 480px; }

/* ---------- cart drawer ---------- */
.drawer-overlay{
  position: fixed; inset:0;
  background: rgba(27,18,48,.4);
  opacity:0; pointer-events:none;
  transition: opacity .2s ease;
  z-index: 60;
}
.drawer-overlay.is-open{ opacity:1; pointer-events:auto; }

.cart-drawer{
  position: fixed;
  top:0; right:0; bottom:0;
  width: min(400px, 100vw);
  background: #fff;
  z-index: 61;
  display:flex;
  flex-direction:column;
  transform: translateX(100%);
  transition: transform .25s ease;
  box-shadow: -12px 0 40px rgba(27,18,48,.2);
}
.cart-drawer.is-open{ transform: translateX(0); }
.cart-drawer__head{
  display:flex; align-items:center; justify-content:space-between;
  padding: 22px 24px;
  border-bottom: 1px solid var(--line);
}
.cart-drawer__head button{ background:none; border:none; font-size:18px; color: var(--ink-50); }
.cart-drawer__items{ flex:1; overflow-y:auto; padding: 16px 24px; }
.cart-drawer__empty{ color: var(--ink-50); font-size: 14px; text-align:center; margin-top: 40px; }
.cart-item{
  display:flex; gap:12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.cart-item__icon{
  width: 40px; height:40px; border-radius: 50%;
  flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  color:#fff;
}
.cart-item__icon svg{ width:18px; height:18px; }
.cart-item__body{ flex:1; min-width:0; }
.cart-item__title{ font-weight:700; font-size: 14px; }
.cart-item__sub{ font-size: 12.5px; color: var(--ink-50); margin-bottom: 4px; }
.cart-item__link{ font-size: 12px; color: var(--ink-50); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.cart-item__foot{ display:flex; justify-content:space-between; align-items:center; margin-top: 6px; }
.cart-item__price{ font-family: var(--font-mono); font-weight:700; font-size: 13.5px; }
.cart-item__remove{ background:none; border:none; color: var(--ink-50); font-size:12px; text-decoration:underline; padding:0; }

.cart-drawer__footer{ padding: 20px 24px 24px; border-top: 1px solid var(--line); }
.cart-drawer__subtotal{ display:flex; justify-content:space-between; margin-bottom: 14px; font-size:15px; }
.cart-drawer__subtotal strong{ font-family: var(--font-mono); }

/* ---------- floating whatsapp ---------- */
.floating-whatsapp{
  position: fixed;
  bottom: 24px; right: 24px;
  width: 58px; height:58px;
  border-radius: 50%;
  background: var(--success);
  color:#fff;
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 10px 24px rgba(30,142,90,.4);
  z-index: 50;
  transition: transform .15s ease;
}
.floating-whatsapp:hover{ transform: scale(1.06); }

/* ---------- scroll reveal ---------- */
.reveal{
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.is-visible{ opacity:1; transform:none; }
.why__grid .reveal:nth-child(2){ transition-delay: .06s; }
.why__grid .reveal:nth-child(3){ transition-delay: .12s; }
.why__grid .reveal:nth-child(5){ transition-delay: .06s; }
.why__grid .reveal:nth-child(6){ transition-delay: .12s; }
.how__grid .reveal:nth-child(2){ transition-delay: .08s; }
.how__grid .reveal:nth-child(3){ transition-delay: .16s; }
.how__grid .reveal:nth-child(4){ transition-delay: .24s; }
.testimonials__grid .reveal:nth-child(2){ transition-delay: .08s; }
.testimonials__grid .reveal:nth-child(3){ transition-delay: .16s; }

/* ---------- mobile sticky builder bar ---------- */
.mobile-bar{
  position: fixed;
  left:12px; right:12px; bottom:12px;
  z-index: 45;
  background: var(--ink);
  border-radius: 999px;
  padding: 10px 10px 10px 22px;
  display: none;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
  box-shadow: var(--shadow-pop);
}
.mobile-bar__info{ display:flex; flex-direction:column; color:#fff; min-width:0; }
.mobile-bar__qty{ font-size: 12px; color: rgba(255,255,255,.6); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.mobile-bar__price{ font-family: var(--font-mono); font-weight:700; font-size:16px; }
.mobile-bar .btn{ padding: 10px 20px; font-size:13px; flex-shrink:0; }

/* ---------- responsive ---------- */
@media (max-width: 980px){
  .hero__grid{ grid-template-columns: 1fr; }
  .hero__panel{ order:-1; }
  .why__grid{ grid-template-columns: repeat(2,1fr); }
  .platform-picker__grid{ grid-template-columns: repeat(3,1fr); }
  .packages__grid{ grid-template-columns: repeat(2,1fr); }
  .how__grid{ grid-template-columns: repeat(2,1fr); }
  .testimonials__grid{ grid-template-columns: 1fr; }
  .footer__grid{ grid-template-columns: 1fr 1fr; }
  .stats__grid{ grid-template-columns: repeat(2,1fr); gap: 28px; }
}
@media (max-width: 620px){
  .nav{ display:none; }
  .menu-btn{ display:flex; }
  .mobile-nav{ display:flex; }
  .why__grid{ grid-template-columns: 1fr; }
  .platform-picker__grid{ grid-template-columns: repeat(2,1fr); }
  .packages__grid{ grid-template-columns: 1fr; }
  .how__grid{ grid-template-columns: 1fr; }
  .footer__grid{ grid-template-columns: 1fr; }
  .builder__panel{ padding: 22px; }
  .guarantee__box{ padding: 32px; flex-direction:column; align-items:flex-start; }
  .throttle__eta{ margin-left:0; }
  .floating-whatsapp{ bottom: 88px; }
}

@media (max-width: 560px){
  .mobile-bar.is-active{ display:flex; }
}