/* =======================================================================
   LONA FESTA — Design System
   Princípios aplicados: Alinhamento, Contraste, Balanço, Hierarquia,
   Cor, White space, Proporção, Repetição, Ritmo, Movimento, Ênfase,
   Proximidade, Unidade.

   Unidades: % para espaçamentos/larguras | em/rem para tipografia.
   ======================================================================= */

/* ---------- TOKENS / UNIDADE ---------- */
:root {
  --blue:        #1F5BFF;
  --blue-dark:   #1847D9;
  --blue-soft:   #EEF2FF;
  --black:       #0A0A0A;
  --ink:         #1A1A1A;
  --gray:        #6B6B6B;
  --gray-dark:   #444444;
  --line:        #E7E4DC;
  --cream:       #FAF7F2;
  --white:       #FFFFFF;

  --ff-serif: "DM Serif Display", Georgia, serif;
  --ff-sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --r-sm:   0.75em;
  --r-md:   1.25em;
  --r-lg:   1.75em;
  --r-xl:   2em;
  --r-pill: 999em;

  --sh-sm: 0 0.125em 0.5em rgba(10,10,10,.04);
  --sh-md: 0 1em 2.5em rgba(10,10,10,.08);
  --sh-lg: 0 2em 4em rgba(10,10,10,.12);

  --t: 240ms cubic-bezier(.2,.7,.2,1);
}

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  font-size: 100%;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--ff-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--t); }
ul { list-style: none; padding: 0; margin: 0; }
p { margin: 0; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

h1, h2, h3, h4, h5 {
  font-family: var(--ff-serif);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin: 0;
}

/* ---------- CONTAINER ---------- */
.container {
  width: 100%;
  max-width: 80em;
  margin: 0 auto;
  padding-left: 2%;
  padding-right: 2%;
}

/* ---------- BADGE ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--ff-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue);
  padding: 0.5em 1em;
  border-radius: var(--r-pill);
  background: var(--blue-soft);
}
.badge-star { color: var(--blue); font-size: 0.9em; }
.badge-light {
  color: rgba(255,255,255,.95);
  background: rgba(255,255,255,.12);
}
.badge-light .badge-star { color: var(--blue); }

/* ---------- BOTÕES ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  font-family: var(--ff-sans);
  font-weight: 600;
  border-radius: var(--r-pill);
  transition: all var(--t);
  white-space: nowrap;
  cursor: pointer;
  letter-spacing: 0.01em;
}
.btn-sm { font-size: 0.875rem;  padding: 0.75em 1.4em; }
.btn-md { font-size: 1rem;      padding: 1.05em 2em; }
.btn-lg { font-size: 1.0625rem; padding: 1.15em 2.25em; }

.btn-primary {
  background: var(--blue);
  color: var(--white);
  box-shadow: 0 0.5em 1.25em rgba(31,91,255,.25);
}
.btn-primary:hover {
  background: var(--blue-dark);
  transform: translateY(-0.125em);
  box-shadow: 0 0.75em 1.75em rgba(31,91,255,.35);
}

.btn-ghost {
  background: transparent;
  color: var(--black);
  border: 0.094em solid var(--black);
}
.btn-ghost:hover { background: var(--black); color: var(--white); }

.btn-arrow { transition: transform var(--t); display: inline-block; }
.btn:hover .btn-arrow { transform: translateX(0.25em); }

/* ====================== HEADER ====================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(140%) blur(0.75em);
  -webkit-backdrop-filter: saturate(140%) blur(0.75em);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t), box-shadow var(--t);
}
.site-header.scrolled {
  border-bottom-color: var(--line);
  box-shadow: var(--sh-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1em 2%;
  gap: 2%;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--ff-serif);
  font-size: 1.5rem;
  color: var(--black);
}
.logo-mark {
  width: 2.25em;
  height: 2.25em;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  font-family: var(--ff-sans);
  font-weight: 700;
  font-size: 0.75em;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2em;
}
.nav > a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink);
  position: relative;
}
.nav > a.btn,
.nav > a.btn:hover,
.nav > a.btn:focus,
.nav > a.btn:visited { color: #ffffff; }

.nav > a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -0.375em;
  height: 0.125em;
  background: var(--blue);
  border-radius: 0.125em;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t);
}
.nav > a:not(.btn):hover::after { transform: scaleX(1); }
.nav > a:not(.btn):hover { color: var(--blue); }

.menu-toggle {
  display: none;
  width: 2.5em;
  height: 2.5em;
  padding: 0;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.25em;
}
.menu-toggle span {
  display: block;
  width: 1.25em;
  height: 0.125em;
  background: var(--black);
  border-radius: 0.125em;
  transition: all var(--t);
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(0.375em) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-0.375em) rotate(-45deg); }

/* ====================== HERO ====================== */
.hero {
  padding-top: 4%;
  padding-bottom: 7%;
  position: relative;
  background:
    linear-gradient(180deg, rgba(255,255,255,.80) 0%, rgba(255,255,255,.60) 40%, rgba(255,255,255,.90) 100%),
    url('imgs/FundoTenda.png') center center / cover no-repeat;
  background-attachment: fixed;
}
@media (max-width: 48em) {
  .hero { background-attachment: scroll; }
}

.hero-top {
  text-align: center;
  max-width: 58em;
  margin: 0 auto;
  padding-top: 2%;
}
.hero-top .badge { margin-bottom: 2%; }

.hero-title {
  font-size: clamp(2.25rem, 5.5vw, 4.5rem);
  line-height: 1.05;
  color: var(--black);
  letter-spacing: -0.02em;
  max-width: 18ch;
  margin: 0 auto;
}
.hero-title em { font-style: italic; color: var(--blue); }

.hero-sub {
  font-size: clamp(1rem, 1.3vw, 1.1875rem);
  color: var(--gray-dark);
  line-height: 1.6;
  max-width: 40em;
  margin: 2% auto 0;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1em;
  justify-content: center;
  margin-top: 3%;
}

.hero-cards {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 1.5%;
  margin-top: 5%;
}

.hero-card {
  border-radius: var(--r-xl);
  padding: 6%;
  min-height: 25em;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}
.hero-card-accent {
  background: var(--blue);
  color: var(--white);
}
.hero-card-accent::before {
  content: "";
  position: absolute;
  bottom: -30%; right: -20%;
  width: 70%;
  aspect-ratio: 1/1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.15) 0%, transparent 70%);
}
.hero-card-light {
  background: var(--cream);
  color: var(--black);
}

.card-kicker {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.9;
  display: block;
  margin-bottom: 5%;
}
.hero-card-light .card-kicker { color: var(--gray); }

.card-lead {
  font-family: var(--ff-sans);
  font-size: 1rem;
  line-height: 1.5;
  opacity: 0.95;
  margin-bottom: 6%;
}

.card-big {
  font-family: var(--ff-serif);
  font-size: clamp(3rem, 6vw, 4.25rem);
  line-height: 1;
  letter-spacing: -0.04em;
  margin: 0;
}
.hero-card-light .card-big { color: var(--blue); }

.card-big-range {
  font-family: var(--ff-serif);
  font-size: clamp(2rem, 3.8vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--blue);
  margin: 0;
}
.card-big-range .x     { color: var(--black); margin: 0 0.1em; font-size: 0.75em; }
.card-big-range .arrow-r { color: var(--black); font-size: 0.7em; margin: 0 0.2em; }

.card-lbl {
  font-family: var(--ff-sans);
  font-size: 0.875rem;
  margin-top: 2%;
  opacity: 0.9;
}
.card-lbl.muted { color: var(--gray); }

.pill {
  display: inline-block;
  background: rgba(255,255,255,.2);
  color: var(--white);
  font-family: var(--ff-sans);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.5em 1em;
  border-radius: var(--r-pill);
  margin-top: 4%;
  backdrop-filter: blur(0.625em);
}

.stat-list {
  margin-top: 6%;
  border-top: 1px solid rgba(10,10,10,.08);
  padding-top: 4%;
}
.stat-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 3% 0;
  border-bottom: 1px solid rgba(10,10,10,.06);
  font-size: 0.9375rem;
}
.stat-list li:last-child { border-bottom: none; }
.stat-list li span { color: var(--gray-dark); }
.stat-list li strong {
  font-family: var(--ff-serif);
  font-weight: 400;
  font-size: 1.25em;
  color: var(--black);
}

/* ====================== CLIENTES ====================== */
.clients {
  background: var(--cream);
  padding: 3% 0;
}
.clients-kicker {
  text-align: center;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 1.5%;
}
.clients-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 4%;
  row-gap: 1em;
}
.clients-row span {
  font-family: var(--ff-serif);
  font-size: clamp(1rem, 1.4vw, 1.375rem);
  color: var(--gray);
  opacity: 0.7;
  letter-spacing: -0.01em;
  transition: opacity var(--t), color var(--t);
}
.clients-row span:hover { opacity: 1; color: var(--black); }

/* ====================== SEÇÕES BASE ====================== */
.sobre, .servicos, .trabalhos, .diferencial, .faq, .contato {
  padding-top: 8%;
  padding-bottom: 8%;
}
.trabalhos { background: var(--cream); }

.section-head {
  text-align: center;
  max-width: 45em;
  margin: 0 auto 4%;
}
.section-head .badge { margin-bottom: 1.5%; }

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  line-height: 1.1;
  color: var(--black);
  letter-spacing: -0.02em;
  max-width: 20ch;
  margin: 0 auto;
}

.section-lead {
  font-size: clamp(1rem, 1.2vw, 1.0625rem);
  color: var(--gray);
  line-height: 1.6;
  max-width: 40em;
  margin: 2% auto 0;
}

.section-text {
  font-size: 1rem;
  color: var(--gray-dark);
  line-height: 1.7;
  margin-bottom: 1.25em;
}

/* Layout duas colunas */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5%;
  align-items: center;
}
.two-col.aligned { align-items: center; }

.col-text .badge { margin-bottom: 1.5em; }
.col-text .section-title {
  text-align: left;
  margin: 0 0 1em 0;
}

/* Mini-stats */
.mini-stats {
  display: flex;
  gap: 8%;
  flex-wrap: wrap;
  margin: 2em 0;
  padding: 1.5em 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.mini-stats .num {
  font-family: var(--ff-serif);
  font-size: 2.75rem;
  color: var(--blue);
  line-height: 1;
  margin: 0;
  letter-spacing: -0.02em;
}
.mini-stats .lbl {
  font-size: 0.875rem;
  color: var(--gray);
  margin-top: 0.25em;
}

/* Mosaico de imagens */
.img-mosaic {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: repeat(2, 15em);
  gap: 3%;
}
.img-mosaic > div {
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--cream);
}
.img-mosaic > div img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 800ms cubic-bezier(.2,.7,.2,1);
}
.img-mosaic > div:hover img { transform: scale(1.05); }
.img-mosaic .img-tall { grid-row: span 2; }

/* ====================== SERVIÇOS ====================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2%;
}
.service-card {
  background: var(--cream);
  border-radius: var(--r-xl);
  padding: 6% 5%;
  border: 1px solid transparent;
  transition: all var(--t);
}
.service-card:hover {
  border-color: var(--blue);
  transform: translateY(-0.375em);
  box-shadow: var(--sh-md);
}
.service-icon {
  width: 3.5em;
  height: 3.5em;
  border-radius: var(--r-md);
  background: var(--blue);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25em;
}
.service-card .tag {
  display: inline-block;
  background: var(--white);
  color: var(--blue);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3em 0.875em;
  border-radius: var(--r-pill);
  letter-spacing: 0.03em;
  margin-bottom: 0.875em;
}
.service-card h3 {
  font-size: 1.375rem;
  color: var(--black);
  margin-bottom: 0.625em;
  line-height: 1.2;
}
.service-card p {
  font-size: 0.9375rem;
  color: var(--gray-dark);
  line-height: 1.6;
}

.service-featured { background: var(--black); color: var(--white); }
.service-featured h3, .service-featured p { color: var(--white); }
.service-featured p { opacity: 0.85; }
.service-featured .service-icon { background: var(--white); color: var(--black); }
.service-featured .tag { background: var(--blue); color: var(--white); }
.service-featured:hover { border-color: var(--blue); }

.services-bottom-cta { text-align: center; margin-top: 4%; }
.services-bottom-cta p {
  font-size: 1rem;
  color: var(--gray-dark);
  margin-bottom: 1.25em;
}

/* ====================== TRABALHOS ====================== */
.works-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-auto-rows: 16em;
  gap: 1.5%;
}
.work {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  background: #333;
}
.work img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms cubic-bezier(.2,.7,.2,1);
}
.work:hover img { transform: scale(1.06); }
.work::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 40%, rgba(0,0,0,.75) 100%);
  pointer-events: none;
}
.work-overlay {
  position: absolute;
  left: 6%; right: 6%; bottom: 6%;
  color: var(--white);
  z-index: 2;
}
.work-overlay .tag {
  display: inline-block;
  background: var(--blue);
  color: var(--white);
  font-family: var(--ff-sans);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.35em 0.75em;
  border-radius: var(--r-pill);
  letter-spacing: 0.05em;
  margin-bottom: 0.5em;
}
.work-overlay h4  { font-size: 1.375rem; margin-bottom: 0.25em; }
.work-overlay p   { font-family: var(--ff-sans); font-size: 0.8125rem; opacity: 0.9; }
.work-big { grid-row: span 2; }

/* ====================== DIFERENCIAL ====================== */
.mega-number {
  font-family: var(--ff-serif);
  font-size: clamp(5rem, 13vw, 10em);
  line-height: 0.9;
  color: var(--blue);
  margin: 0;
  letter-spacing: -0.05em;
  text-align: right;
}
.mega-number .pct { font-size: 0.6em; color: var(--black); }
.mega-sub {
  font-size: 1rem;
  color: var(--gray-dark);
  max-width: 22em;
  margin: 0.75em 0 0 auto;
  text-align: right;
  line-height: 1.5;
}

/* ====================== FAQ ====================== */
.faq-list { max-width: 52em; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  margin-bottom: 0.75em;
  background: var(--white);
  overflow: hidden;
  transition: all var(--t);
}
.faq-item[open] { border-color: var(--blue); box-shadow: var(--sh-sm); }
.faq-item summary {
  cursor: pointer;
  padding: 1.25em 1.5em;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--black);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1em;
  list-style: none;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-icon {
  width: 1.75em;
  height: 1.75em;
  min-width: 1.75em;
  border-radius: 50%;
  background: var(--blue-soft);
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125em;
  font-weight: 400;
  transition: all var(--t);
}
.faq-item[open] .faq-icon {
  background: var(--blue);
  color: var(--white);
  transform: rotate(45deg);
}
.faq-answer {
  padding: 0 1.5em 1.25em;
  color: var(--gray-dark);
  font-size: 0.9375rem;
  line-height: 1.65;
}

/* ====================== CTA FINAL + CONTATO ====================== */
.final-cta {
  background: var(--black);
  color: var(--white);
  border-radius: var(--r-xl);
  padding: 6% 5%;
  text-align: center;
  position: relative;
  overflow: hidden;
  margin-bottom: 6%;
}
.final-cta::before {
  content: "";
  position: absolute;
  top: -40%; right: -15%;
  width: 55%;
  aspect-ratio: 1/1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(31,91,255,.35) 0%, transparent 70%);
  pointer-events: none;
}
.final-cta > * { position: relative; z-index: 1; }
.final-cta .badge { margin-bottom: 1.5em; }
.final-cta h2 {
  font-size: clamp(1.75rem, 4vw, 3.25rem);
  margin: 0 0 0.5em;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.final-cta p {
  font-size: clamp(1rem, 1.2vw, 1.1875rem);
  color: rgba(255,255,255,.8);
  max-width: 40em;
  margin: 0 auto 2em;
  line-height: 1.5;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3%;
}
.contact-card {
  background: var(--cream);
  border-radius: var(--r-xl);
  padding: 6% 5%;
}
.contact-card h3 { font-size: 1.875rem; color: var(--black); margin-bottom: 1em; }

.contact-item {
  display: flex;
  gap: 1em;
  align-items: flex-start;
  margin-bottom: 1.25em;
}
.contact-item .ico {
  width: 2.75em;
  height: 2.75em;
  min-width: 2.75em;
  border-radius: var(--r-sm);
  background: var(--white);
  color: var(--blue);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
}
.contact-item .ico svg { width: 1.25em; height: 1.25em; }
.contact-item .ico-filled {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}
.contact-item h4 {
  font-family: var(--ff-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gray);
  margin-bottom: 0.25em;
  font-weight: 600;
}
.contact-item p, .contact-item a { font-size: 1rem; color: var(--black); line-height: 1.5; }
.contact-item a:hover { color: var(--blue); }

.contact-socials {
  display: flex;
  gap: 0.625em;
  margin-top: 1.5em;
  padding-top: 1.25em;
  border-top: 1px solid var(--line);
}
.contact-socials a {
  width: 2.75em;
  height: 2.75em;
  border-radius: 50%;
  background: var(--black);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.0625rem;
  transition: background var(--t), transform var(--t);
}
.contact-socials a svg { width: 1.1em; height: 1.1em; }
.contact-socials a:hover { background: var(--blue); transform: translateY(-0.125em); }

.map-wrap {
  border-radius: var(--r-xl);
  overflow: hidden;
  min-height: 25em;
  background: var(--cream);
}
.map-wrap iframe {
  width: 100%;
  height: 100%;
  min-height: 25em;
  border: 0;
  display: block;
  filter: saturate(0.9);
}

/* ====================== FOOTER ====================== */
.site-footer {
  background: var(--black);
  color: var(--white);
  padding: 5% 0 2%;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 4%;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--ff-serif);
  font-size: 1.75rem;
  margin-bottom: 0.75em;
}
.footer-desc {
  color: rgba(255,255,255,.65);
  font-size: 0.9375rem;
  line-height: 1.65;
  max-width: 25em;
  margin-bottom: 1.5em;
}
.site-footer h5 {
  font-family: var(--ff-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,.5);
  margin-bottom: 1.25em;
  font-weight: 600;
}
.site-footer ul li {
  margin-bottom: 0.625em;
  font-size: 0.9375rem;
  color: rgba(255,255,255,.75);
  line-height: 1.5;
}
.site-footer a:hover { color: var(--blue); }

.footer-bottom {
  margin-top: 4%;
  padding-top: 2em;
  border-top: 1px solid rgba(255,255,255,.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1em;
  flex-wrap: wrap;
}
.footer-bottom p {
  font-size: 0.8125rem;
  color: rgba(255,255,255,.45);
  margin: 0;
}

/* ====================== WHATSAPP FLOAT ====================== */
.wa-float {
  position: fixed;
  right: 2%;
  bottom: 3%;
  width: 3.75em;
  height: 3.75em;
  border-radius: 50%;
  background: #25D366;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0.625em 1.5em rgba(37,211,102,.4);
  z-index: 90;
  transition: transform var(--t), box-shadow var(--t);
  animation: wa-pulse 2.4s ease-in-out infinite;
}
.wa-float:hover { transform: scale(1.1); }
.wa-float svg { width: 60%; height: 60%; }

@keyframes wa-pulse {
  0%, 100% { box-shadow: 0 0.625em 1.5em rgba(37,211,102,.4), 0 0 0 0 rgba(37,211,102,.5); }
  50%       { box-shadow: 0 0.625em 1.5em rgba(37,211,102,.4), 0 0 0 1em rgba(37,211,102,0); }
}

/* ====================== ANIMAÇÕES REVEAL ====================== */
.reveal {
  opacity: 0;
  transform: translateY(1.5em);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(.2,.7,.2,1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* =======================================================================
   RESPONSIVO
   ======================================================================= */

/* ── TABLET (≤ 1024px) ── */
@media (max-width: 64em) {
  .hero-cards { grid-template-columns: 1fr; gap: 3%; }
  .hero-card  { min-height: auto; padding: 7%; }

  .two-col { grid-template-columns: 1fr; gap: 6%; }
  .col-text { text-align: center; }
  .col-text .section-title { text-align: center; }
  .col-text .badge { margin-left: auto; margin-right: auto; display: inline-flex; }
  .col-text > .btn { display: inline-flex; margin: 0 auto; }
  .mini-stats { justify-content: center; }

  .services-grid { grid-template-columns: repeat(2, 1fr); gap: 3%; }

  .works-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 14em; }
  .work-big   { grid-row: span 2; grid-column: span 2; }

  .mega-number, .mega-sub { text-align: center; }
  .mega-sub { margin: 0.75em auto 0; }

  .contact-grid { grid-template-columns: 1fr; gap: 3%; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 5%; }
  .footer-brand-col { grid-column: span 2; }
}

/* ── MOBILE (≤ 768px) ── */
@media (max-width: 48em) {
  html { font-size: 93.75%; }

  .container { padding-left: 5%; padding-right: 5%; }

  /* Header: header-inner como âncora do nav absoluto */
  .header-inner {
    position: relative;
    padding: 0.875em 5%;
  }

  /* Nav oculto por padrão — posição absoluta para não empurrar conteúdo */
  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--white);
    padding: 0 5%;
    gap: 0.25em;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--sh-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height 420ms ease, padding 420ms ease;
    z-index: 99;
  }
  .nav.open { max-height: 30em; padding-top: 1.25em; padding-bottom: 1.5em; }

  .nav > a {
    padding: 0.85em 4%;
    border-radius: var(--r-sm);
    font-size: 1rem;
  }

  .nav > a.btn,
  .nav > a.btn:hover,
  .nav > a.btn:focus,
  .nav > a.btn:visited { color: #ffffff; }

  .nav-cta     { margin-top: 0.75em; text-align: center; }
  .menu-toggle { display: flex; }

  /* Hero */
  .hero { padding-top: 8%; padding-bottom: 12%; }

  .hero-title { font-size: clamp(2rem, 8vw, 2.5rem); line-height: 1.15; padding: 0 2%; }

  .hero-sub { font-size: 1.0625rem; padding: 0 3%; text-align: center; }

  .hero-ctas { flex-direction: column; align-items: stretch; gap: 0.75em; }
  .hero-ctas .btn { width: 100%; justify-content: center; }

  .hero-cards { gap: 1em; margin-top: 8%; }
  .hero-card  { padding: 8% 6%; }
  .card-big, .card-big-range { font-size: clamp(2rem, 8vw, 2.75rem); }

  /* Seções */
  .sobre, .servicos, .trabalhos, .diferencial, .faq, .contato {
    padding-top: 14%;
    padding-bottom: 14%;
  }
  .section-title { font-size: clamp(1.75rem, 7vw, 2rem); padding: 0 2%; }
  .section-lead  { padding: 0 2%; }

  /* Duas colunas */
  .two-col { grid-template-columns: 1fr; gap: 5%; }
  .col-text{display: flex;
    flex-direction: column;
    align-items: center;}
  .col-text .section-title { padding: 0;}
  .col-text .badge { display: inline-flex; margin: 0 auto 1em; }
  .section-text { text-align: left; }

  /* Mosaico */
  .img-mosaic { grid-template-columns: 1fr; grid-template-rows: auto; gap: 1em; }
  .img-mosaic .img-tall,
  .img-mosaic > div { grid-column: span 1; grid-row: span 1; height: 18em; }

  /* Mini-stats */
  .mini-stats {
    flex-direction: column;
    align-items: center;
    gap: 1.5em;
    text-align: center;
  }
  .mini-stats > div {
    flex: 1 1 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .mini-stats .num { font-size: 2.5rem; }
  .mini-stats .lbl { text-align: center; }

  /* Serviços */
  .services-grid { grid-template-columns: 1fr; gap: 1.25em; }
  .service-card  { padding: 9% 7%; }

  /* Trabalhos */
  .works-grid  { grid-template-columns: 1fr; grid-auto-rows: auto; gap: 1em; }
  .work-big, .work { grid-column: span 1; grid-row: span 1; height: 20em; }
  .work-overlay h4 { font-size: 1.25rem; }

  /* Diferencial */
  .mega-number { font-size: clamp(3.5rem, 15vw, 5rem); text-align: center; padding: 0 5%; }
  .mega-sub    { text-align: center; margin: 0.75em auto 0; padding: 0 5%; font-size: 0.9375rem; }

  /* FAQ */
  .faq-item summary { font-size: 1rem; padding: 1em 1.125em; gap: 0.5em; }
  .faq-icon { min-width: 1.5em; width: 1.5em; height: 1.5em; font-size: 1rem; }
  .faq-answer { padding: 0 1.125em 1em; font-size: 0.95rem; }

  /* Contato */
  .contact-card { padding: 9% 7%; }
  .contact-card h3 { font-size: 1.5rem; }
  .map-wrap, .map-wrap iframe { min-height: 20em; }

  /* Final CTA */
  .final-cta   { padding: 12% 7%; margin-bottom: 10%; }
  .final-cta h2 { font-size: clamp(1.625rem, 6vw, 2rem); }
  .final-cta p  { padding: 0 3%; }

  /* Footer */
  .footer-grid      { grid-template-columns: 1fr; gap: 2.5em; text-align: center; }
  .footer-brand-col { grid-column: span 1; }
  .footer-brand     { justify-content: center; }
  .footer-desc      { margin: 0 auto 1.5em; }
  .footer-bottom    { flex-direction: column; text-align: center; gap: 1em; }

  /* WhatsApp */
  .wa-float { width: 3.5em; height: 3.5em; bottom: 4%; right: 4%; }
}

/* ── EXTRA SMALL (≤ 480px) ── */
@media (max-width: 30em) {
  .clients-row      { flex-direction: column; gap: 1.25em; }
  .clients-row span { font-size: 1.125rem; }
  .logo-text        { display: none; }
  .logo             { font-size: 1.25rem; }
  .hero-title       { font-size: clamp(1.75rem, 8vw, 2.125rem); }
  .btn-lg, .btn-md  { font-size: 0.9375rem; padding: 1em 1.5em; }
}