/* ============================================================
   OPENFACTORY — style.css
   Paleta corporativa: navy profundo + azul elétrico + ciano
   ============================================================ */
:root {
  --navy-900: #070d1c;
  --navy-800: #0a1428;
  --navy-700: #0f1f3d;
  --navy-600: #16294f;
  --blue: #2E87B7;
  --blue-600: #24688F;
  --cyan: #5BA3C9;
  --cyan-soft: #8FC4E0;
  --green: #22c55e;
  --ink: #0b1220;
  --slate: #566174;
  --slate-soft: #7b8698;
  --line: #e5eaf2;
  --bg: #ffffff;
  --bg-soft: #f5f7fc;
  --bg-soft-2: #eef2fa;
  --white: #ffffff;
  --shadow-sm: 0 2px 10px rgba(11, 18, 32, 0.06);
  --shadow-md: 0 18px 40px -18px rgba(11, 18, 32, 0.28);
  --shadow-lg: 0 40px 80px -30px rgba(11, 18, 32, 0.45);
  --radius: 18px;
  --radius-sm: 12px;
  --maxw: 1200px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font-head: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.15; letter-spacing: -0.02em; font-weight: 600; }

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
ul { list-style: none; }

:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---- gradient text ---- */
.grad {
  background: linear-gradient(100deg, var(--blue) 0%, var(--cyan) 60%, var(--cyan-soft) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ---- eyebrow ---- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--blue); background: rgba(46, 135, 183, 0.08);
  padding: 7px 14px; border-radius: 999px; margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 4px rgba(46,135,183,.15); }

/* ---- section base ---- */
.section { padding: 92px 0; }
.section__head { max-width: 720px; margin-bottom: 48px; }
.section__head h2 { font-size: clamp(26px, 3.4vw, 38px); }
.section__sub { margin-top: 14px; color: var(--slate); font-size: 16.5px; }

/* ============================================================
   TOPBAR
   ============================================================ */
.topbar { background: var(--navy-900); color: #cdd8ee; font-size: 13px; position: relative; z-index: 60; }
.topbar__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 9px 24px; }
.topbar__tag { letter-spacing: 0.04em; color: #9fb0d4; }
.topbar__links { display: flex; gap: 20px; align-items: center; }
.topbar__links a { display: inline-flex; align-items: center; gap: 7px; color: #cdd8ee; transition: color .2s; }
.topbar__links a:hover { color: #fff; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 3px rgba(34,197,94,.2); }

/* ============================================================
   HEADER / NAV
   ============================================================ */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s, background .3s;
}
.header.is-scrolled { border-color: var(--line); box-shadow: var(--shadow-sm); background: rgba(255,255,255,0.94); }

.nav { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; }

.nav__brand { display: inline-flex; align-items: center; }
.nav__logo-img { display: block; height: 40px; width: auto; }

.nav__menu { display: flex; align-items: center; gap: 6px; }
.nav__link {
  position: relative; padding: 9px 14px; font-size: 14.5px; font-weight: 500; color: var(--slate);
  border-radius: 10px; transition: color .2s, background .2s; white-space: nowrap;
}
.nav__link:hover { color: var(--ink); background: var(--bg-soft); }
.nav__link.is-active { color: var(--blue); }
.nav__link--cta {
  color: #fff; background: linear-gradient(100deg, var(--blue), var(--blue-600));
  padding: 10px 18px; font-weight: 600; margin-left: 6px;
  box-shadow: 0 8px 18px -8px rgba(46,135,183,.7);
}
.nav__link--cta:hover { background: linear-gradient(100deg, var(--blue-600), var(--blue)); color: #fff; }

.nav__toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav__toggle span { width: 24px; height: 2.4px; background: var(--ink); border-radius: 3px; transition: transform .3s, opacity .3s; }
.nav__toggle.is-open span:nth-child(1) { transform: translateY(7.4px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-7.4px) rotate(-45deg); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--font-body); font-weight: 600; font-size: 15px;
  padding: 14px 26px; border-radius: 12px; cursor: pointer; border: 1px solid transparent;
  transition: transform .25s var(--ease), box-shadow .25s, background .25s, color .25s, border-color .25s;
  line-height: 1;
}
.btn:active { transform: translateY(1px); }
.btn--primary { color: #fff; background: linear-gradient(100deg, var(--blue), var(--blue-600)); box-shadow: 0 12px 26px -12px rgba(46,135,183,.8); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 18px 34px -12px rgba(46,135,183,.9); }
.btn--ghost { color: var(--ink); background: transparent; border-color: var(--line); }
.btn--ghost:hover { border-color: var(--blue); color: var(--blue); background: rgba(46,135,183,.04); }
.btn--light { color: var(--navy-900); background: #fff; }
.btn--light:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn--full { width: 100%; }

/* ============================================================
   HERO
   ============================================================ */
.hero { position: relative; background: var(--navy-900); color: #eaf0fb; overflow: hidden; }
.hero__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(900px 500px at 82% -10%, rgba(46,135,183,.35), transparent 60%),
    radial-gradient(700px 500px at 10% 110%, rgba(91,163,201,.22), transparent 60%),
    linear-gradient(180deg, var(--navy-900), var(--navy-800));
}
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(1200px 600px at 70% 0%, #000 0%, transparent 75%);
  mask-image: radial-gradient(1200px 600px at 70% 0%, #000 0%, transparent 75%);
}
.hero__grid { position: relative; display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; padding: 92px 24px 96px; }
.hero .eyebrow { color: var(--cyan-soft); background: rgba(91,163,201,.12); }
.hero .eyebrow::before { background: var(--cyan); box-shadow: 0 0 0 4px rgba(91,163,201,.18); }
.hero__title { font-size: clamp(34px, 5vw, 54px); font-weight: 700; margin-bottom: 22px; }
.hero__text { font-size: 17px; color: #b9c6e2; max-width: 560px; margin-bottom: 32px; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }

.hero__stats { display: flex; gap: 34px; flex-wrap: wrap; }
.hero__stats li { display: flex; flex-direction: column; }
.hero__stats strong { font-family: var(--font-head); font-size: 30px; font-weight: 700; color: #fff; }
.hero__stats span { font-size: 13px; color: #93a4c9; }

/* hero panel */
.hero__panel { position: relative; }
.panel-card {
  background: linear-gradient(180deg, rgba(255,255,255,.09), rgba(255,255,255,.04));
  border: 1px solid rgba(255,255,255,.14); border-radius: 20px; padding: 22px;
  backdrop-filter: blur(8px); box-shadow: var(--shadow-lg);
}
.panel-card__head { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 14px; color: #dbe4f5; margin-bottom: 16px; padding-bottom: 14px; border-bottom: 1px solid rgba(255,255,255,.1); }
.pulse { width: 9px; height: 9px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 0 rgba(34,197,94,.6); animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(34,197,94,.55); } 70% { box-shadow: 0 0 0 8px rgba(34,197,94,0); } 100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); } }
.panel-row { display: flex; align-items: center; justify-content: space-between; padding: 11px 0; font-size: 14px; color: #c3cfe8; border-bottom: 1px solid rgba(255,255,255,.06); }
.panel-row b.ok { color: var(--green); font-weight: 600; font-size: 12px; background: rgba(34,197,94,.12); padding: 3px 9px; border-radius: 999px; }
.panel-meter { margin-top: 18px; }
.panel-meter__label { display: flex; justify-content: space-between; font-size: 13px; color: #b9c6e2; margin-bottom: 8px; }
.panel-meter__label b { color: #fff; font-family: var(--font-head); }
.panel-meter__bar { height: 8px; border-radius: 999px; background: rgba(255,255,255,.12); overflow: hidden; }
.panel-meter__bar span { display: block; height: 100%; width: 0; border-radius: 999px; background: linear-gradient(90deg, var(--blue), var(--cyan)); transition: width 1.6s var(--ease); }
.hero.in-view .panel-meter__bar span { width: var(--w); }

.panel-badge {
  position: absolute; bottom: -82px; left: -18px;
  display: flex; align-items: center; gap: 12px;
  background: #fff; color: var(--ink); padding: 12px 16px; border-radius: 14px;
  box-shadow: var(--shadow-md); border: 1px solid var(--line);
}
.panel-badge svg { width: 34px; height: 34px; color: var(--blue); background: rgba(46,135,183,.1); border-radius: 10px; padding: 6px; }
.panel-badge strong { display: block; font-family: var(--font-head); font-size: 14px; }
.panel-badge span { font-size: 12px; color: var(--slate); }


/* ============================================================
   AVATAR (iniciais)
   ============================================================ */
.avatar {
  display: inline-grid; place-items: center; border-radius: 50%;
  font-family: var(--font-head); font-weight: 600; letter-spacing: .02em;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: #fff; box-shadow: var(--shadow-sm);
}
.avatar--lg { width: 56px; height: 56px; font-size: 18px; }
.avatar--md { width: 66px; height: 66px; font-size: 20px; }

/* ============================================================
   SOBRE
   ============================================================ */
.sobre { background: var(--bg); }
.sobre__grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: start; }
.sobre__text p { color: var(--slate); font-size: 16px; margin-bottom: 18px; }
.sobre__text p strong { color: var(--ink); font-weight: 600; }
.sobre__list { display: grid; gap: 14px; margin-top: 26px; }
.sobre__list li { display: grid; grid-template-columns: auto 1fr; gap: 14px; align-items: baseline; }
.sobre__list li span {
  font-size: 13px; font-weight: 600; color: var(--blue);
  background: rgba(46,135,183,.08); border: 1px solid rgba(46,135,183,.16);
  padding: 4px 12px; border-radius: 999px; white-space: nowrap;
}
.sobre__card {
  position: relative; background: linear-gradient(160deg, var(--navy-800), var(--navy-700));
  color: #eaf0ff; border: 1px solid rgba(255,255,255,.08); border-radius: var(--radius);
  padding: 38px 34px; box-shadow: var(--shadow-lg); overflow: hidden;
}
.sobre__card::before {
  content: "\201C"; position: absolute; top: -24px; left: 18px;
  font-family: var(--font-head); font-size: 150px; line-height: 1; color: rgba(91,163,201,.16);
}
.sobre__card blockquote { font-family: var(--font-head); font-size: 20px; line-height: 1.4; letter-spacing: -.01em; position: relative; }
.sobre__card-sign { display: flex; align-items: center; gap: 14px; margin-top: 28px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); }
.sobre__card-sign strong { display: block; font-family: var(--font-head); font-size: 15px; color: #fff; }
.sobre__card-sign span { font-size: 13px; color: #9fb0d4; }

/* ============================================================
   ATUAÇÃO (SERVIÇOS)
   ============================================================ */
.atuacao { background: var(--bg-soft); }
.atuacao__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.area {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 28px; position: relative; overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s, border-color .35s;
}
.area::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: linear-gradient(90deg, var(--blue), var(--cyan)); transform: scaleX(0); transform-origin: left; transition: transform .4s var(--ease); }
.area:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(46,135,183,.25); }
.area:hover::before { transform: scaleX(1); }
.area__icon { width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 20px; background: linear-gradient(135deg, rgba(46,135,183,.12), rgba(91,163,201,.12)); color: var(--blue); }
.area__icon svg { width: 28px; height: 28px; }
.area h3 { font-size: 19px; margin-bottom: 10px; }
.area p { font-size: 14.5px; color: var(--slate); margin-bottom: 18px; }
.area__list { display: grid; gap: 9px; }
.area__list li { display: flex; gap: 9px; font-size: 13.5px; color: var(--slate); }
.area__list li::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--cyan); margin-top: 8px; flex: 0 0 auto; }

/* ============================================================
   PROCESSO (passos)
   ============================================================ */
.processo { background: var(--bg); }
.processo__steps {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  counter-reset: step; list-style: none;
}
.processo__steps li {
  position: relative; padding: 26px 26px 26px 0;
  border-top: 2px solid var(--line); transition: border-color .4s var(--ease);
}
.processo__steps li::before {
  content: ""; position: absolute; top: -7px; left: 0; width: 12px; height: 12px;
  border-radius: 50%; background: #fff; border: 3px solid var(--blue); transition: transform .4s var(--ease), background .4s;
}
.processo__steps li:hover { border-color: rgba(46,135,183,.4); }
.processo__steps li:hover::before { transform: scale(1.35); background: var(--cyan); }
.processo__steps span {
  display: inline-block; font-family: var(--font-head); font-weight: 600; font-size: 15px;
  color: var(--blue); letter-spacing: .04em; margin-bottom: 10px;
}
.processo__steps h4 { font-size: 18px; margin-bottom: 8px; }
.processo__steps p { font-size: 14px; color: var(--slate); }

/* ============================================================
   EQUIPE
   ============================================================ */
.equipe { background: var(--bg-soft); }
.equipe__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.member {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 24px; text-align: center;
  transition: transform .35s var(--ease), box-shadow .35s, border-color .35s;
}
.member:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(46,135,183,.25); }
.member__avatar { margin: 0 auto 18px; }
.member h3 { font-size: 17px; margin-bottom: 4px; }
.member__role { display: inline-block; font-size: 12.5px; font-weight: 600; color: var(--blue); letter-spacing: .02em; margin-bottom: 12px; }
.member p { font-size: 13.5px; color: var(--slate); }

/* ============================================================
   CASOS
   ============================================================ */
.casos { background: var(--bg); }
.casos__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.case {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 28px; display: flex; flex-direction: column; gap: 14px;
  transition: transform .35s var(--ease), box-shadow .35s, border-color .35s;
}
.case:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(46,135,183,.25); }
.case__tag {
  align-self: flex-start; font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  color: var(--blue); background: rgba(46,135,183,.08); padding: 5px 12px; border-radius: 999px;
}
.case h3 { font-size: 18px; }
.case > p { font-size: 14.5px; color: var(--slate); flex: 1 1 auto; }
.case__metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 6px; padding-top: 18px; border-top: 1px solid var(--line); }
.case__metrics div { display: flex; flex-direction: column; }
.case__metrics b { font-family: var(--font-head); font-size: 22px; font-weight: 600; color: var(--ink); }
.case__metrics span { font-size: 12.5px; color: var(--slate); }

/* ============================================================
   CTA
   ============================================================ */
.cta { padding: 0 0 92px; }
.cta__inner {
  position: relative; overflow: hidden;
  background: linear-gradient(120deg, var(--navy-900), var(--navy-700) 55%, #12306a);
  border-radius: 26px; padding: 60px 48px; text-align: center;
  box-shadow: var(--shadow-lg);
}
.cta__inner::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(600px 300px at 50% -10%, rgba(91,163,201,.28), transparent 60%);
  pointer-events: none;
}
.cta__inner h2 { position: relative; font-size: clamp(26px, 3.4vw, 40px); color: #fff; margin-bottom: 14px; }
.cta__inner p { position: relative; color: #b9c6e6; max-width: 560px; margin: 0 auto 28px; }
.cta__inner .btn { position: relative; }

/* ---- button light variant (usado em fundo escuro) ---- */
.btn--light { background: #fff; color: var(--navy-900); }
.btn--light:hover { transform: translateY(-3px); box-shadow: 0 18px 40px -18px rgba(0,0,0,.5); }
.btn--sm { padding: 10px 18px; font-size: 14px; }

/* ============================================================
   CONTATO
   ============================================================ */
.contato { background: var(--bg-soft); }
.contato__grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 40px; align-items: start; }
.contato__info { background: linear-gradient(160deg, var(--navy-800), var(--navy-700)); color: #eaf0ff; border-radius: var(--radius); padding: 36px 32px; box-shadow: var(--shadow-md); }
.contato__info h3 { font-size: 20px; color: #fff; margin-bottom: 10px; }
.contato__info > p { font-size: 14.5px; color: #b9c6e6; margin-bottom: 24px; }
.contato__list { display: grid; gap: 18px; }
.contato__list li { display: flex; gap: 14px; align-items: flex-start; }
.contato__list svg { width: 22px; height: 22px; color: var(--cyan); flex: 0 0 auto; margin-top: 2px; }
.contato__list b { display: block; font-size: 14px; color: #fff; }
.contato__list span { font-size: 13.5px; color: #9fb0d4; }
.contato__form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow-sm); }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13.5px; font-weight: 600; color: var(--ink); margin-bottom: 7px; }
.field input, .field textarea, .field select {
  width: 100%; font-family: var(--font-body); font-size: 14.5px; color: var(--ink);
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 14px; transition: border-color .2s, box-shadow .2s, background .2s;
}
.field select { appearance: none; -webkit-appearance: none; cursor: pointer;
  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'%3E%3Cpath d='M6 9l6 6 6-6' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px; }
.field select:invalid { color: var(--slate-soft); }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--blue); background: #fff; box-shadow: 0 0 0 4px rgba(46,135,183,.12); }
.field textarea { resize: vertical; min-height: 120px; }
.field input::placeholder, .field textarea::placeholder { color: var(--slate-soft); }
.field.invalid input, .field.invalid textarea { border-color: #e11d48; box-shadow: 0 0 0 4px rgba(225,29,72,.1); }
.form__feedback { font-size: 14px; font-weight: 600; margin-top: 14px; min-height: 20px; }
.form__feedback.is-ok { color: var(--green); }
.form__feedback.is-error { color: #e11d48; }
.form__note { margin-top: 12px; color: var(--slate); font-size: 12.5px; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--navy-900); color: #b9c6e6; padding: 64px 0 0; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; padding-bottom: 44px; }
.footer__brand { display: flex; flex-direction: column; align-items: flex-start; }
.footer__brand .nav__brand { margin-bottom: 16px; }
.footer__brand .nav__logo-img { height: 34px; filter: brightness(0) invert(1); }
.footer__brand p { font-size: 14px; color: #9fb0d4; max-width: 300px; margin-bottom: 20px; }
.footer__brand .btn { align-self: flex-start; }
.footer__col h4 { color: #fff; font-size: 14px; letter-spacing: .04em; text-transform: uppercase; margin-bottom: 16px; }
.footer__col ul { display: grid; gap: 11px; }
.footer__col a, .footer__col li { font-size: 14px; color: #9fb0d4; transition: color .2s; }
.footer__col a:hover { color: #fff; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer__note { font-size: 13px; color: #7f92bd; display: flex; align-items: center; gap: 8px; }
.footer__bottom a { font-size: 13px; color: #9fb0d4; transition: color .2s; }
.footer__bottom a:hover { color: #fff; }

/* ============================================================
   BACK TO TOP
   ============================================================ */
.backtop {
  position: fixed; right: 24px; bottom: 24px; z-index: 55;
  width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--line);
  background: #fff; color: var(--blue); display: grid; place-items: center; cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: opacity .3s, transform .3s var(--ease), visibility .3s, background .2s, color .2s;
}
.backtop svg { width: 20px; height: 20px; }
.backtop.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.backtop:hover { background: var(--blue); color: #fff; }

/* ============================================================
   REVEAL (animação on-scroll) — controlada via JS
   ============================================================ */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in-view { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .sobre__grid { grid-template-columns: 1fr; gap: 40px; }
  .atuacao__grid { grid-template-columns: repeat(2, 1fr); }
  .equipe__grid { grid-template-columns: repeat(2, 1fr); }
  .casos__grid { grid-template-columns: repeat(2, 1fr); }
  .processo__steps { grid-template-columns: repeat(2, 1fr); gap: 28px 0; }
  .processo__steps li { padding-right: 24px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .topbar__links { display: none; }
  .hero__grid { grid-template-columns: 1fr; gap: 48px; }
  .hero__panel { max-width: 460px; }
  .panel-badge { bottom: -52px; left: 8px; }
  .contato__grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .section { padding: 68px 0; }
  .hero { padding: 56px 0 64px; }
  .hero__stats { gap: 26px 34px; }
  .atuacao__grid, .equipe__grid, .casos__grid { grid-template-columns: 1fr; }
  .processo__steps { grid-template-columns: 1fr; }
  .processo__steps li { padding-right: 0; padding-bottom: 6px; }
  .cta__inner { padding: 44px 26px; border-radius: 20px; }
  .footer__grid { grid-template-columns: 1fr; gap: 30px; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .hero__actions { justify-content: stretch; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .backtop { right: 16px; bottom: 16px; }
}