:root {
  --primary: #4b3fd4;
  --primary-dark: #3a2fc0;
  --primary-soft: #eeedfc;
  --green: #98eba6;
  --green-strong: #7be08f;
  --logo-green: #8bcf3f;
  --ink: #0f1222;
  --text: #374151;
  --muted: #6b7280;
  --line: #eceef3;
  --gray-bg: #f9fafb;
  --radius: 20px;
  --shadow: 0 20px 50px -20px rgba(31, 27, 90, .18);
  --header-h: 70px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; }

.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* ---------- Typography ---------- */
.eyebrow {
  display: block;
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 10px;
}
.eyebrow--green { color: var(--green); }
.title {
  font-size: clamp(2rem, 4vw, 3.1rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--ink);
}
.title--xl { font-size: clamp(2.2rem, 3.9vw, 3.4rem); white-space: nowrap; }
.title--white { color: #fff; }
.hl { color: var(--primary); }
.hl-green { color: var(--green); }
.lead { font-size: 1.15rem; line-height: 1.75; color: var(--text); margin-top: 24px; }
.lead + .lead { margin-top: 20px; }
.lead strong { color: var(--ink); }

.bar { display: block; width: 64px; height: 4px; border-radius: 4px; background: var(--green); margin-top: 22px; }

.section-head { text-align: center; max-width: 980px; margin: 0 auto 48px; }
.section-head__sub { color: var(--muted); font-size: 1.15rem; margin-top: 16px; max-width: 620px; margin-inline: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  border-radius: 999px; font-weight: 700; transition: transform .2s, box-shadow .2s, background .2s, color .2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn--green { background: var(--green); color: var(--primary); box-shadow: 0 10px 25px -8px rgba(152, 235, 166, .7); }
.btn--green:hover { background: var(--green-strong); }
.btn--outline { border: 2px solid rgba(255, 255, 255, .55); color: #fff; }
.btn--outline:hover { background: rgba(255, 255, 255, .1); border-color: #fff; }
.btn--primary { background: var(--primary); color: #fff; border-radius: 12px; }
.btn--primary:hover { background: var(--primary-dark); transform: none; }
.btn--sm { padding: 11px 24px; font-size: .875rem; text-transform: uppercase; letter-spacing: .02em; }
.btn--lg { padding: 18px 32px; font-size: 1.05rem; }
.btn--block { width: 100%; padding: 15px; font-size: 1rem; }
.btn svg { width: 18px; height: 18px; }

/* ---------- Icons ---------- */
.icon {
  flex-shrink: 0; width: 52px; height: 52px; border-radius: 12px;
  display: grid; place-items: center;
}
.icon svg { width: 22px; height: 22px; }
.icon--solid { background: var(--primary); color: #fff; width: 56px; height: 56px; }
.icon--soft { background: var(--primary-soft); color: var(--primary); }

/* ---------- Header ---------- */
.header {
  position: fixed; inset: 0 0 auto; z-index: 100; height: var(--header-h);
  transition: background .3s, box-shadow .3s;
}
.header__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.header__logo img { height: 40px; width: auto; opacity: 0; transition: opacity .3s; }
.nav { display: flex; align-items: center; gap: 32px; }
.nav a:not(.btn) {
  color: #fff; font-weight: 700; font-size: .875rem; text-transform: uppercase; letter-spacing: .04em;
  position: relative; transition: color .3s;
}
.nav a:not(.btn)::after {
  content: ''; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0; background: var(--green); transition: width .25s;
}
.nav a:not(.btn):hover::after { width: 100%; }
.nav-toggle { display: none; color: #fff; }

.header.is-scrolled { background: rgba(248, 248, 252, .92); backdrop-filter: blur(12px); box-shadow: 0 1px 0 var(--line); }
.header.is-scrolled .header__logo img { opacity: 1; }
.header.is-scrolled .nav a:not(.btn) { color: #1f2433; }
.header.is-scrolled .nav-toggle { color: var(--ink); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: var(--primary);
  padding: calc(var(--header-h) + 16px) 0 45px;
  color: #fff;
}
.hero__inner { position: relative; display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; z-index: 1; }
.hero__logo { width: min(310px, 60%); height: auto; }
.bar--hero { width: 80px; margin-top: 32px; }
.hero__title {
  font-size: clamp(1.8rem, 2.6vw, 2.2rem); font-weight: 900; line-height: 1.15;
  text-transform: uppercase; margin-top: 26px; max-width: 460px; letter-spacing: -.01em;
}
.hero__subtitle { font-style: italic; font-size: 1.15rem; line-height: 1.55; margin-top: 14px; opacity: .92; font-weight: 400; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 26px; }
.hero .btn--lg { padding: 19px 32px; font-size: 1rem; }

.hero__scroll {
  position: absolute; left: 50%; bottom: 18px; transform: translateX(-50%); color: rgba(255, 255, 255, .65);
  animation: bob 2s ease-in-out infinite; z-index: 2;
}
@keyframes bob { 50% { transform: translate(-50%, 8px); } }

.hero__deco span { position: absolute; border-radius: 50%; pointer-events: none; }
.ring { border: 1.5px solid rgba(255, 255, 255, .14); }
.ring--1 { width: 620px; height: 620px; right: -260px; top: 20%; }
.ring--2 { width: 520px; height: 520px; right: -60px; bottom: -120px; }
.ring--3 { width: 900px; height: 900px; right: -420px; top: -460px; }
.bubble { background: rgba(255, 255, 255, .1); }
.bubble--1 { width: 80px; height: 80px; left: 1%; bottom: 12%; }
.bubble--2 { width: 40px; height: 40px; left: 35%; top: 12%; }
.bubble--3 { width: 80px; height: 80px; right: 30%; bottom: -10px; border: 1.5px solid rgba(255, 255, 255, .2); background: rgba(255, 255, 255, .05); }
.dot--green { width: 16px; height: 16px; background: var(--green); right: 14%; top: 28%; animation: float 4s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(-12px); } }

/* Phone mockup */
.hero__phone { display: flex; justify-content: flex-end; padding-right: 60px; }
.phone {
  position: relative; width: 278px; height: 566px; border-radius: 42px;
  background: linear-gradient(180deg, #5248da 0%, #3d32c4 100%);
  border: 4px solid #2a2a33; box-shadow: 0 0 0 2px #b9b9c4, 0 30px 60px -20px rgba(0, 0, 0, .45);
  padding: 16px; animation: float 6s ease-in-out infinite;
}
.phone::before, .phone::after { content: ''; position: absolute; background: #b9b9c4; border-radius: 2px; width: 3px; }
.phone::before { left: -9px; top: 95px; height: 26px; box-shadow: 0 45px 0 0 #b9b9c4, 0 102px 0 0 #b9b9c4; }
.phone::after { right: -9px; top: 146px; height: 63px; }
.phone__notch { position: absolute; top: 10px; left: 50%; transform: translateX(-50%); width: 92px; height: 26px; background: #000; border-radius: 14px; }
.phone__status { display: flex; justify-content: space-between; align-items: center; font-weight: 700; font-size: .7rem; padding: 6px 10px 0; }
.phone__battery { width: 15px; height: 7px; border: 1.5px solid #fff; border-radius: 2px; position: relative; opacity: .9; }
.phone__brand { font-weight: 900; font-size: 1.15rem; letter-spacing: -.03em; margin: 18px 0 10px 2px; }
.phone__stat {
  display: flex; justify-content: space-between; align-items: center;
  background: rgba(255, 255, 255, .14); border-radius: 12px; padding: 12px; margin-bottom: 10px; font-size: .72rem;
}
.phone__stat strong { color: var(--green); font-size: .85rem; font-weight: 800; }
.phone__chart { background: rgba(255, 255, 255, .14); border-radius: 12px; padding: 12px; }
.phone__chart small { font-size: .6rem; opacity: .8; }
.phone__bars { display: flex; align-items: flex-end; gap: 6px; height: 48px; margin-top: 10px; }
.phone__bars i { flex: 1; background: #7fc6b5; border-radius: 3px 3px 0 0; transform-origin: bottom; animation: grow 1.2s ease-out both; }
.phone__bars i:nth-child(2) { animation-delay: .1s; } .phone__bars i:nth-child(3) { animation-delay: .2s; }
.phone__bars i:nth-child(4) { animation-delay: .3s; } .phone__bars i:nth-child(5) { animation-delay: .4s; }
.phone__bars i:nth-child(6) { animation-delay: .5s; } .phone__bars i:nth-child(7) { animation-delay: .6s; }
@keyframes grow { from { transform: scaleY(0); } }

/* ---------- Sections ---------- */
.section { padding: 130px 0; }
.section--tight { padding: 60px 0 130px; }
.section--flush-top { padding-top: 0; }
.section--gray { background: var(--gray-bg); }
.section--purple { background: var(--primary); color: #fff; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; }
.grid-2--center { align-items: center; }
.grid-2--top { align-items: start; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* Sobre */
.about__logo { width: 140px; height: auto; margin-top: 2px; }
.about__cards { display: flex; flex-direction: column; gap: 24px; }
.info-card {
  display: flex; gap: 20px; align-items: flex-start;
  background: var(--gray-bg); border-radius: var(--radius); padding: 24px;
  transition: transform .25s, box-shadow .25s;
}
.info-card:hover { transform: translateX(6px); box-shadow: var(--shadow); }
.info-card h3 { font-size: 1.2rem; color: var(--ink); font-weight: 800; }
.info-card p { color: var(--muted); margin-top: 4px; }

/* Offline */
.pill {
  display: inline-flex; align-items: center; gap: 10px;
  background: #e5f9e9; color: #22a04a; font-weight: 700; font-size: .95rem;
  padding: 10px 20px; border-radius: 999px; margin-bottom: 28px;
}
.pill svg { width: 18px; height: 18px; }
.feature-list { margin-top: 36px; display: flex; flex-direction: column; gap: 26px; }
.feature-list li { display: flex; gap: 18px; }
.feature-list .icon { width: 48px; height: 48px; }
.feature-list h4 { font-size: 1.05rem; color: var(--ink); font-weight: 700; }
.feature-list p { color: var(--muted); font-size: .95rem; margin-top: 2px; }

.offline__mock { position: relative; display: flex; justify-content: center; }
.sync-phone {
  width: 256px; border-radius: 44px; background: var(--primary);
  border: 4px solid #3a2fc0; box-shadow: var(--shadow), 0 30px 60px -20px rgba(75, 63, 212, .5);
  padding: 34px 24px 30px; color: #fff; display: flex; flex-direction: column; align-items: center; text-align: center;
}
.sync-phone__icon { width: 48px; height: 48px; opacity: .55; transition: opacity .3s; }
.sync-phone__label { font-size: .85rem; opacity: .7; margin-top: 10px; }
.sync-phone__title { font-size: 1.15rem; font-weight: 800; margin: 2px 0 18px; }
.sync-phone__row {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  background: rgba(255, 255, 255, .13); border-radius: 10px; padding: 11px 14px; font-size: .78rem; margin-bottom: 10px;
}
.sync-phone__row b { color: var(--green); font-weight: 700; }
.sync-phone__last { margin-top: 12px; font-size: .75rem; opacity: .6; }
.sync-phone__time { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .85rem; opacity: .85; }
.sync-phone__btn {
  width: 100%; margin-top: 18px; padding: 12px; border-radius: 10px;
  background: var(--green); color: var(--primary); font-weight: 800; font-size: .9rem; transition: background .2s;
}
.sync-phone__btn:hover { background: var(--green-strong); }
.sync-toast {
  position: absolute; top: 160px; left: calc(50% + 0px);
  display: flex; align-items: center; gap: 12px;
  background: #fff; color: var(--ink); border-radius: 12px; padding: 12px 18px;
  box-shadow: 0 16px 40px -10px rgba(0, 0, 0, .22); animation: float 4s ease-in-out infinite;
}
.sync-toast svg { color: #22c55e; width: 22px; height: 22px; }
.sync-toast small { display: block; font-size: .72rem; color: var(--muted); line-height: 1.1; }
.sync-toast strong { font-size: .9rem; font-weight: 800; }

/* Funcionalidades */
.tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; max-width: 1180px; margin: 0 auto 48px; }
.tab {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-radius: 999px; border: 1px solid #e3e5ea; background: #fff;
  color: #374151; font-weight: 600; font-size: .92rem; transition: all .2s;
}
.tab svg { width: 16px; height: 16px; }
.tab:hover { border-color: var(--primary); color: var(--primary); }
.tab.is-active { background: var(--primary); border-color: var(--primary); color: #fff; box-shadow: 0 10px 24px -10px rgba(75, 63, 212, .7); }

.module { background: #fff; border-radius: 28px; box-shadow: var(--shadow); overflow: hidden; }
.module__head {
  display: flex; align-items: center; gap: 18px; padding: 28px 48px;
  background: linear-gradient(90deg, var(--primary), #3b2fc6); color: #fff;
}
.module__icon { width: 56px; height: 56px; border-radius: 14px; background: rgba(255, 255, 255, .18); display: grid; place-items: center; }
.module__icon svg { width: 26px; height: 26px; }
.module__head h3 { font-size: clamp(1.4rem, 2.4vw, 1.9rem); font-weight: 800; }
.module__body { padding: 40px 48px 40px; }
.module__list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 48px; }
.module__list li { position: relative; padding-left: 20px; color: var(--text); font-size: 1.02rem; line-height: 1.65; }
.module__list li::before { content: ''; position: absolute; left: 0; top: 9px; width: 7px; height: 7px; border-radius: 50%; background: var(--green-strong); }
.module__example { margin-top: 28px; background: var(--gray-bg); border-radius: 12px; padding: 16px 18px; color: var(--muted); font-size: .92rem; }
.module__example strong { color: var(--ink); }
.module__example:empty { display: none; }
.module.is-switching .module__body { animation: fadeIn .35s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } }

/* Perfect-Fit-4U */
.section--gray.section--flush-top { padding-top: 40px; }
.pf-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; padding-top: 96px; }
.pf-card {
  background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 22px 14px;
  text-align: center; transition: transform .25s, box-shadow .25s;
}
.pf-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.pf-card .icon { margin: 0 auto 14px; width: 48px; height: 48px; }
.pf-card h4 { font-size: .98rem; color: var(--ink); font-weight: 700; line-height: 1.3; }
.pf-card p { font-size: .82rem; color: var(--muted); margin-top: 6px; line-height: 1.4; }

.process { margin-top: 80px; background: #fff; border: 1px solid var(--line); border-radius: 28px; padding: 56px 64px 64px; }
.process__title { text-align: center; font-size: clamp(1.5rem, 2.6vw, 2.05rem); font-weight: 900; color: var(--ink); letter-spacing: -.01em; }
.process__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 52px 40px; margin-top: 52px; }
.step { display: flex; gap: 16px; }
.step__num {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: 50%; background: var(--green);
  color: var(--primary); font-weight: 800; display: grid; place-items: center; font-size: 1.1rem;
}
.step h4 { font-size: 1.1rem; color: var(--ink); font-weight: 700; }
.step p { color: var(--muted); font-size: .95rem; line-height: 1.45; margin-top: 2px; }

/* Diferenciais */
.diff-grid { margin-top: 64px; }
.diff-card {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 32px 36px; background: #fff;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.diff-card .icon { width: 56px; height: 56px; transition: background .25s, color .25s; }
.diff-card h4 { font-size: 1.2rem; color: var(--ink); font-weight: 800; margin-top: 28px; }
.diff-card p { color: var(--muted); margin-top: 10px; font-size: 1.02rem; }
.diff-card:hover { border-color: #d6d2f6; box-shadow: var(--shadow); transform: translateY(-4px); }
.diff-card:hover .icon { background: var(--primary); color: #fff; }

/* Clientes */
.clients { margin-top: 8px; }
.client {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 20px;
  text-align: center; display: flex; flex-direction: column; justify-content: center; gap: 10px; min-height: 120px;
  transition: box-shadow .25s, transform .25s;
}
.client:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.client strong { font-size: 1.3rem; font-weight: 800; color: #2d3446; }
.client span { font-size: .88rem; color: var(--muted); }

.stats {
  margin-top: 64px; background: var(--primary); border-radius: 32px; color: #fff;
  display: grid; grid-template-columns: repeat(4, 1fr); padding: 40px 32px; text-align: center; gap: 20px;
}
.stat strong { display: block; color: var(--green); font-size: clamp(2rem, 3.4vw, 2.7rem); font-weight: 900; line-height: 1.2; }
.stat span { opacity: .85; font-size: 1rem; }

/* Por que usar */
.section--purple .section-head { margin-bottom: 56px; }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.why-card {
  background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .15); border-radius: 20px;
  padding: 28px 24px; transition: background .25s, transform .25s;
}
.why-card:hover { background: rgba(255, 255, 255, .16); transform: translateY(-4px); }
.why-card > svg { color: var(--green); width: 34px; height: 34px; }
.why-card h4 { font-size: 1.18rem; font-weight: 800; margin-top: 18px; }
.why-card p { opacity: .85; margin-top: 12px; font-size: .95rem; line-height: 1.65; }

.compare__title { text-align: center; font-size: clamp(1.6rem, 2.6vw, 2.05rem); font-weight: 900; margin: 88px 0 40px; }
.compare { border: 1px solid rgba(255, 255, 255, .18); border-radius: 22px; overflow: hidden; background: rgba(255, 255, 255, .08); }
.compare__head, .compare__row { display: grid; grid-template-columns: 64px 1fr 1fr; align-items: center; }
.compare__head { background: rgba(255, 255, 255, .1); font-weight: 700; text-align: center; border-bottom: 3px solid rgba(255, 255, 255, .12); }
.compare__head span { padding: 18px; }
.compare__head span:nth-child(2) { background: rgba(255, 255, 255, .06); }
.compare__head .compare__ugo { background: rgba(120, 150, 230, .35); color: var(--green); }
.compare__row { border-top: 1px solid rgba(255, 255, 255, .08); }
.compare__row > span { padding: 20px 16px; font-size: .97rem; }
.compare__row > span:nth-child(2) { opacity: .8; padding-left: 16px; }
.compare__row .compare__ugo { color: var(--green); font-weight: 600; border-left: 1px solid rgba(255, 255, 255, .08); padding-left: 16px; }
.compare__num {
  justify-self: center; width: 32px; height: 32px; padding: 0 !important; border-radius: 50%;
  display: grid; place-items: center; font-weight: 800; font-size: .9rem; background: var(--primary-dark); border: 1px solid rgba(255, 255, 255, .3);
}
.compare__row:hover { background: rgba(255, 255, 255, .05); }

/* Contato */
.contact-list { margin-top: 40px; display: flex; flex-direction: column; gap: 24px; }
.contact-list li { display: flex; align-items: center; gap: 16px; }
.contact-list .icon { width: 48px; height: 48px; }
.contact-list small { display: block; color: #9ca3af; font-size: .9rem; }
.contact-list a, .contact-list span { color: var(--ink); font-weight: 500; font-size: 1.05rem; }
.contact-phone { display: inline-flex; align-items: center; gap: 12px; }
.whats { width: 32px; height: 32px; border-radius: 50%; background: #25d366; color: #fff !important; display: grid; place-items: center; transition: transform .2s; }
.whats:hover { transform: scale(1.1); }
.whats svg { width: 18px; height: 18px; }

.form-card { background: #fff; border-radius: 28px; padding: 40px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 16px; }
.form-card h3 { font-size: 1.35rem; font-weight: 800; color: var(--ink); margin-bottom: 6px; }
.form-card label { display: flex; flex-direction: column; gap: 8px; color: var(--text); font-size: .95rem; }
.form-card input, .form-card textarea {
  font: inherit; font-size: 1rem; color: var(--ink);
  border: 1px solid #dfe2e8; border-radius: 10px; padding: 13px 14px; background: #fff;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .04); transition: border-color .2s, box-shadow .2s; resize: vertical;
}
.form-card input:focus, .form-card textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px rgba(75, 63, 212, .12); }
.form-card .is-invalid { border-color: #ef4444; }
.form-msg { font-size: .92rem; text-align: center; min-height: 1.2em; }
.form-msg.ok { color: #16a34a; }
.form-msg.err { color: #dc2626; }

/* Footer */
.footer { background: var(--primary); color: #fff; padding: 48px 0 40px; }
.footer__top { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding-bottom: 32px; border-bottom: 1px solid rgba(255, 255, 255, .2); flex-wrap: wrap; }
.footer__brand { display: flex; align-items: center; gap: 24px; }
.footer__brand img { height: 42px; width: auto; }
.footer__brand span { opacity: .75; }
.footer__nav { display: flex; gap: 24px; flex-wrap: wrap; }
.footer__nav a { opacity: .9; transition: opacity .2s; }
.footer__nav a:hover { opacity: 1; color: var(--green); }
.footer__copy { text-align: center; margin-top: 32px; opacity: .7; font-size: .95rem; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .hero__phone { padding-right: 0; justify-content: center; }
}

@media (max-width: 960px) {
  :root { --header-h: 68px; }
  .nav-toggle { display: block; }
  .nav {
    position: fixed; top: var(--header-h); left: 0; right: 0; flex-direction: column; gap: 0;
    background: #fff; padding: 12px 24px 24px; box-shadow: 0 20px 30px -10px rgba(0, 0, 0, .15);
    transform: translateY(-120%); transition: transform .3s; z-index: -1;
  }
  .nav.is-open { transform: none; }
  .nav a:not(.btn) { color: #1f2433 !important; width: 100%; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav a:not(.btn)::after { display: none; }
  .nav .btn { margin-top: 16px; width: 100%; }
  .header.menu-open { background: #fff; }
  .header.menu-open .header__logo img { opacity: 1; }
  .header.menu-open .nav-toggle { color: var(--ink); }

  .hero__inner, .grid-2 { grid-template-columns: 1fr; gap: 56px; }
  .title--xl { white-space: normal; }
  .hero { padding: calc(var(--header-h) + 40px) 0 80px; }
  .hero__phone { display: none; }
  .section { padding: 90px 0; }
  .section--tight { padding: 30px 0 90px; }
  .pf-cards { padding-top: 0; }
  .grid-3, .process__grid { grid-template-columns: repeat(2, 1fr); }
  .module__list { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); row-gap: 32px; }
  .process { padding: 44px 32px; }
  .sync-toast { left: auto; right: 0; }
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .hero__actions .btn { width: 100%; }
  .grid-3, .process__grid, .why-grid, .pf-cards { grid-template-columns: 1fr; }
  .module__head, .module__body { padding-left: 24px; padding-right: 24px; }
  .form-card { padding: 28px 20px; }
  .compare__head { display: none; }
  .compare__row { grid-template-columns: 48px 1fr; }
  .compare__row .compare__ugo { grid-column: 2; border-left: 0; padding-top: 0; }
  .compare__row > span:nth-child(2) { text-decoration: line-through; text-decoration-color: rgba(255, 255, 255, .35); }
  .compare__num { grid-row: span 2; align-self: start; margin-top: 18px; }
  .stats { grid-template-columns: 1fr 1fr; padding: 32px 16px; }
  .footer__top { flex-direction: column; align-items: flex-start; }
  .footer__brand { flex-direction: column; align-items: flex-start; gap: 10px; }
  .sync-toast { position: static; margin-top: -40px; align-self: flex-end; }
  .offline__mock { flex-direction: column; align-items: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* Honeypot anti-spam do formulário */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.btn[disabled] { opacity: .7; cursor: wait; }