/* =====================================================================
   ÁTIMO ENGENHARIA — Sistema visual
   Paleta (manual da marca): navy #191936 · gold #F1D097 · #575756 · #C6C6C6
   Tipografia: Archivo Expanded (display, equiv. NORD) + Raleway (texto)
   Direção: arquitetônica, editorial, precisa. Cantos retos. Um só acento.
   ===================================================================== */

:root {
  --navy:      #191936;
  --navy-900:  #12122a;
  --navy-800:  #1d1d42;
  --navy-700:  #262657;
  --gold:      #f1d097;
  --gold-deep: #d9b26a;
  --gray:      #575756;
  --gray-300:  #c6c6c6;
  --paper:     #f4f3ef;
  --paper-2:   #eceae3;
  --line:      rgba(25, 25, 54, 0.12);
  --line-soft: rgba(25, 25, 54, 0.07);
  --line-dark: rgba(255, 255, 255, 0.14);

  --font-display: 'Archivo', 'Arial Narrow', sans-serif;
  --font-text:    'Raleway', system-ui, sans-serif;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --pad: clamp(1.5rem, 6vw, 8.5rem);
  --maxw: 1560px;

  --r-pill: 999px;
  --r-lg: 30px;
  --r-md: 18px;
  --r-sm: 12px;
}

/* ----------------------------- Reset --------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: hidden; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--font-text);
  background: var(--paper);
  color: var(--navy);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip; /* clip (não 'hidden') p/ não quebrar position: sticky */
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
::selection { background: var(--gold); color: var(--navy); }

/* Display helpers */
.display {
  font-family: var(--font-display);
  font-stretch: 125%;
  font-weight: 600;
  line-height: 0.98;
  letter-spacing: -0.02em;
}
.accent { color: var(--gold-deep); }
em { font-style: italic; }

/* ------------------------- Section labels ---------------------------- */
.section-tag {
  font-family: var(--font-text);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gray);
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}
.section-tag::before {
  content: "";
  width: 48px; height: 1px;
  background: linear-gradient(90deg, rgba(217, 178, 106, 0) 0%, var(--gold-deep) 100%);
  display: inline-block;
}
.section-tag--light { color: var(--gray-300); }
.section-tag--light::before { background: linear-gradient(90deg, rgba(241, 208, 151, 0) 0%, var(--gold) 100%); }

/* ------------------------------ Buttons ------------------------------ */
.btn {
  --bt: 1.05rem 2.1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: var(--bt);
  border-radius: var(--r-pill);
  font-family: var(--font-text);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: transform 0.4s var(--ease), background 0.4s var(--ease), color 0.4s var(--ease), border-color 0.4s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn--gold { background: var(--gold); color: var(--navy); }
.btn--gold:hover { background: var(--navy); color: var(--paper); }
.btn--ghost { border: 1px solid var(--line-dark); color: var(--paper); }
.btn--ghost:hover { background: var(--paper); color: var(--navy); border-color: var(--paper); }
.btn--full { width: 100%; }

/* ========================= SCROLL PROGRESS ========================== */
.scroll-progress {
  position: fixed; top: 0; left: 0; right: 0;
  height: 2px; z-index: 120; background: transparent; pointer-events: none;
}
.scroll-progress span {
  display: block; height: 100%; width: 0%;
  background: var(--gold); transform-origin: left;
}

/* ============================== NAV ================================= */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: clamp(0.85rem, 1.5vw, 1.5rem) var(--pad);
  transition: padding 0.5s var(--ease);
}
.nav__bar {
  max-width: var(--maxw); margin: 0 auto;
  height: clamp(62px, 6.4vw, 80px);
  padding: 0 0.75rem 0 clamp(1.3rem, 2vw, 2rem);
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 1rem;
  background: rgba(248, 247, 244, 0.82);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid rgba(25, 25, 54, 0.07);
  border-radius: var(--r-pill);
  box-shadow: 0 20px 55px -26px rgba(18, 18, 42, 0.34);
  transition: box-shadow 0.5s var(--ease), background 0.5s var(--ease);
}
.nav.is-solid .nav__bar {
  background: rgba(248, 247, 244, 0.94);
  box-shadow: 0 24px 60px -24px rgba(18, 18, 42, 0.4);
}
.nav__logo { justify-self: start; display: inline-flex; }
.nav__logo-img { height: clamp(28px, 3.2vw, 38px); width: auto; }

.nav__links { justify-self: center; display: flex; align-items: center; gap: clamp(0.9rem, 1.5vw, 1.5rem); }
.nav__links a {
  position: relative;
  font-size: 0.92rem; font-weight: 500; letter-spacing: 0.005em; color: var(--navy);
  transition: color 0.35s var(--ease);
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: -6px;
  width: 100%; height: 1px; background: var(--gold-deep);
  transform: scaleX(0); transform-origin: right; transition: transform 0.45s var(--ease);
}
.nav__links a:hover { color: var(--gold-deep); }
.nav__links a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav__sep { color: rgba(25, 25, 54, 0.26); font-weight: 300; font-size: 0.9rem; }

.nav__actions { justify-self: end; display: flex; align-items: center; gap: 0.6rem; }
.nav__cta {
  font-size: 0.76rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--navy); background: var(--gold); border-radius: var(--r-pill);
  padding: 0.85rem 1.6rem; white-space: nowrap;
  transition: background 0.4s var(--ease), color 0.4s var(--ease);
}
.nav__cta:hover { background: var(--navy); color: var(--paper); }

.nav__menu {
  width: clamp(46px, 4.2vw, 54px); height: clamp(46px, 4.2vw, 54px);
  border-radius: 50%; border: 1px solid rgba(25, 25, 54, 0.16);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px;
  flex: none; transition: background 0.4s var(--ease), border-color 0.4s var(--ease);
}
.nav__menu span { width: 18px; height: 1.6px; background: var(--navy); display: block; transition: background 0.4s var(--ease); }
.nav__menu:hover { background: var(--navy); border-color: var(--navy); }
.nav__menu:hover span { background: var(--paper); }

/* -------- mobile fullscreen menu -------- */
.menu-overlay {
  position: fixed; inset: 0; z-index: 99;
  background: var(--navy-900);
  display: flex; flex-direction: column; justify-content: center;
  padding: var(--pad);
  clip-path: inset(0 0 100% 0);
  transition: clip-path 0.7s var(--ease);
  pointer-events: none;
}
.menu-overlay.is-open { clip-path: inset(0 0 0 0); pointer-events: auto; }
.menu-overlay__links { display: flex; flex-direction: column; gap: 0.4rem; }
.menu-overlay__links a {
  font-family: var(--font-display); font-stretch: 112%;
  font-size: clamp(2.2rem, 11vw, 4rem); font-weight: 500; line-height: 1.06;
  color: var(--paper); letter-spacing: -0.01em;
  display: flex; align-items: baseline; gap: 1rem;
  opacity: 0; transform: translateY(20px);
  transition: color 0.3s;
}
.menu-overlay.is-open .menu-overlay__links a { animation: menuIn 0.6s var(--ease) forwards; }
.menu-overlay__links a:nth-child(1) { animation-delay: 0.12s; }
.menu-overlay__links a:nth-child(2) { animation-delay: 0.18s; }
.menu-overlay__links a:nth-child(3) { animation-delay: 0.24s; }
.menu-overlay__links a:nth-child(4) { animation-delay: 0.30s; }
.menu-overlay__links a:nth-child(5) { animation-delay: 0.36s; }
.menu-overlay__links a:hover { color: var(--gold); }
@keyframes menuIn { to { opacity: 1; transform: translateY(0); } }
.menu-overlay__foot {
  margin-top: 3rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  color: var(--gray-300); font-size: 0.85rem; letter-spacing: 0.04em;
  border-top: 1px solid var(--line-dark); padding-top: 1.4rem;
}
.menu-overlay__foot a { color: var(--gold); }

/* ============================== HERO =============================== */
.hero {
  position: relative; min-height: 100dvh;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 0 0 clamp(2rem, 5vh, 4rem);
  overflow: hidden;
  background: var(--navy-900);
}
.hero__media { position: absolute; inset: 0; z-index: 0; }
.hero__img {
  width: 100%; height: 100%; object-fit: cover;
  filter: saturate(0.72) brightness(0.82) contrast(1.02);
  transform: scale(1.15);
  will-change: transform;
}
.hero__scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(18,18,42,0.55) 0%, rgba(18,18,42,0.15) 34%, rgba(18,18,42,0.75) 82%, rgba(18,18,42,0.95) 100%),
    linear-gradient(90deg, rgba(18,18,42,0.7) 0%, rgba(18,18,42,0.1) 60%);
}
.hero__grid {
  position: relative; z-index: 2;
  max-width: var(--maxw); width: 100%; margin: 0 auto;
  padding: 0 var(--pad);
  display: grid; grid-template-columns: 1fr; align-items: end;
}
.hero__title {
  font-family: var(--font-display); font-stretch: 122%;
  font-weight: 600; line-height: 0.96; letter-spacing: -0.025em;
  color: var(--paper);
  font-size: clamp(2.3rem, 6.2vw, 6.2rem);
  text-transform: uppercase;
}
.hero__title .line { display: block; overflow: hidden; }
.hero__title .line > span { display: block; }
.hero__title .line--accent { color: var(--gold); font-weight: 500; }
.hero__title em { font-style: italic; font-stretch: 100%; font-weight: 300; }
.hero__sub {
  margin-top: 2rem; max-width: 62ch;
  font-size: clamp(1rem, 1.4vw, 1.22rem); font-weight: 300; line-height: 1.55;
  color: rgba(244, 243, 239, 0.92);
}
.hero__sub br { display: none; }
@media (min-width: 720px) { .hero__sub br { display: inline; } }
.hero__actions { margin-top: 2.6rem; display: flex; gap: 1rem; flex-wrap: wrap; }

.hero__meta { display: flex; flex-direction: column; gap: 1rem; min-width: 230px; padding-bottom: 0.6rem; }
.hero__meta-row {
  display: flex; flex-direction: column; gap: 0.15rem;
  border-top: 1px solid var(--line-dark); padding-top: 0.7rem;
}
.hero__meta-row .k { font-size: 0.68rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gray-300); }
.hero__meta-row .v { font-size: 0.98rem; color: var(--paper); font-weight: 500; }

.hero__index {
  position: relative; z-index: 2;
  max-width: var(--maxw); margin: 2.6rem auto 0; padding: 0 var(--pad);
  display: flex; align-items: center; gap: 1.2rem;
  font-size: 0.7rem; letter-spacing: 0.22em; text-transform: uppercase; color: rgba(198,198,198,0.6);
}
.hero__index-line { flex: 1; height: 1px; background: var(--line-dark); }

/* =========================== MANIFESTO ============================ */
.manifesto {
  background: var(--paper);
  padding: clamp(3.5rem, 9vh, 7.5rem) 0;
  overflow: hidden;
}
.manifesto__inner { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad); }
.manifesto__text {
  margin-top: 2.6rem;
  font-family: var(--font-text); font-weight: 300;
  font-size: clamp(1.7rem, 4.3vw, 3.7rem); line-height: 1.16; letter-spacing: -0.015em;
  max-width: 20ch + 900px; max-width: 24ch;
  max-width: min(24ch, 100%);
}
.manifesto__text { max-width: 1180px; }
.manifesto__foot { margin-top: clamp(3rem, 7vw, 6rem); display: flex; justify-content: flex-end; }
.manifesto__cols {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 5rem);
  max-width: 880px;
  border-top: 1px solid var(--line); padding-top: 2.4rem;
}
.manifesto__cols p { font-size: 1rem; line-height: 1.7; color: var(--gray); font-weight: 400; }

/* ============================= STATS ============================== */
.stats { background: var(--paper); padding: 0 0 clamp(4rem, 9vh, 7rem); }
.stats__grid {
  max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad);
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
}
.stat {
  padding: clamp(2.4rem, 4vw, 3.6rem) clamp(1.6rem, 2.4vw, 2.6rem) clamp(1.6rem, 3vw, 2.4rem);
  border-left: 1px solid var(--line-soft);
}
.stat:first-child { border-left: none; padding-left: 0; }
.stat__num {
  display: block;
  font-family: var(--font-display); font-stretch: 120%; font-weight: 600;
  font-size: clamp(3rem, 6.5vw, 6rem); line-height: 1; letter-spacing: -0.03em;
  color: var(--navy);
}
.stat__label {
  display: block; margin-top: 1rem; max-width: 22ch;
  font-size: 0.9rem; line-height: 1.45; color: var(--gray);
}

/* ============================ MARQUEE ============================= */
.marquee {
  background: var(--navy); color: var(--paper);
  padding: 1.4rem 0; overflow: hidden; white-space: nowrap;
  border-top: 1px solid var(--navy-700); border-bottom: 1px solid var(--navy-700);
}
.marquee__track { display: inline-flex; align-items: center; gap: 2.4rem; will-change: transform; }
.marquee__track span {
  font-family: var(--font-display); font-stretch: 110%; font-weight: 500;
  font-size: clamp(1.1rem, 2vw, 1.7rem); text-transform: uppercase; letter-spacing: 0.02em;
  color: var(--paper);
}
.marquee__track i { color: var(--gold); font-style: normal; font-size: 1.2rem; }

/* ============================ PROCESSO ============================ */
.process { background: var(--navy); color: var(--paper); position: relative; overflow: hidden; }
.process__intro {
  padding: clamp(4rem, 8vh, 6.5rem) var(--pad) clamp(3rem, 6vh, 5rem);
}
.process__title {
  margin-top: 2rem; max-width: 16ch;
  font-family: var(--font-display); font-stretch: 118%; font-weight: 600;
  font-size: clamp(2.2rem, 5.6vw, 5rem); line-height: 1; letter-spacing: -0.02em;
  text-transform: uppercase;
}
.process__title .accent { color: var(--gold); }
.process__lead { margin-top: 1.8rem; max-width: 46ch; color: var(--gray-300); font-weight: 300; font-size: 1.08rem; }

.process__pin {
  position: relative; height: 100dvh; overflow: hidden;
  display: flex; align-items: stretch;
}
.process__track {
  display: flex; align-items: stretch; height: 100%;
  padding: 0 var(--pad);
}
.pstep {
  flex: 0 0 clamp(300px, 30vw, 440px);
  border-left: 1px solid var(--line-dark);
  padding: clamp(3rem, 8vh, 5.5rem) clamp(1.8rem, 2.8vw, 3rem);
  display: flex; flex-direction: column;
  transition: background 0.5s var(--ease);
}
.pstep:first-child { border-left: none; padding-left: 0; }
.pstep:last-child { border-right: 1px solid var(--line-dark); }
.pstep:hover { background: var(--navy-800); }
.pstep__index {
  font-family: var(--font-display); font-stretch: 125%; font-weight: 700;
  font-size: 1.05rem; color: var(--gold); letter-spacing: 0.04em;
}
.pstep__title {
  margin-top: auto; padding-top: 3rem;
  font-family: var(--font-display); font-stretch: 112%; font-weight: 600;
  font-size: clamp(1.7rem, 2.6vw, 2.5rem); line-height: 1.02; letter-spacing: -0.015em;
  text-transform: uppercase;
}
.pstep__desc { margin-top: 1.3rem; color: var(--gray-300); font-weight: 300; font-size: 1rem; line-height: 1.6; }
.pstep__tag {
  margin-top: 1.8rem; align-self: flex-start;
  font-size: 0.68rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gray-300);
  border: 1px solid var(--line-dark); padding: 0.4rem 0.9rem;
}

/* ======================= SERVIÇOS (lista editorial) ============= */
.services { background: var(--paper); padding: clamp(4rem, 8vh, 7rem) 0; overflow: hidden; }
.services__head {
  max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad);
  display: flex; justify-content: space-between; align-items: flex-end; gap: clamp(2rem, 5vw, 5rem); flex-wrap: wrap;
}
.services__head-main { display: flex; flex-direction: column; gap: 1.8rem; }
.services__title {
  max-width: 20ch;
  font-family: var(--font-display); font-stretch: 118%; font-weight: 600;
  font-size: clamp(2rem, 5vw, 4.2rem); line-height: 1.02; letter-spacing: -0.02em; text-transform: uppercase;
}
.services__intro { max-width: 34ch; color: var(--gray); font-size: 1.02rem; line-height: 1.6; padding-bottom: 0.4rem; }

.svc-list { list-style: none; max-width: var(--maxw); margin: clamp(2.6rem, 5vw, 4rem) auto 0; padding: 0 var(--pad); }
.svc-row {
  display: grid; grid-template-columns: auto 1fr auto; align-items: start;
  gap: clamp(1.2rem, 4vw, 3.4rem);
  padding: clamp(1.6rem, 2.6vw, 2.4rem) 0;
  border-top: 1px solid var(--line);
}
.svc-list li:last-child { border-bottom: 1px solid var(--line); }
.svc-row__num {
  font-family: var(--font-display); font-stretch: 120%; font-weight: 700;
  font-size: 0.9rem; color: var(--gold-deep); letter-spacing: 0.08em; padding-top: 0.6em;
  transition: color 0.4s var(--ease);
}
.svc-row__name {
  font-family: var(--font-display); font-stretch: 112%; font-weight: 600;
  font-size: clamp(1.55rem, 3.6vw, 3rem); line-height: 1.04; letter-spacing: -0.015em; text-transform: uppercase;
  color: var(--navy); transition: color 0.5s var(--ease), transform 0.6s var(--ease);
}
.svc-row__reveal {
  max-height: 0; overflow: hidden; opacity: 0;
  transition: max-height 0.55s var(--ease), opacity 0.45s var(--ease);
}
.svc-row__desc { padding-top: 0.95rem; max-width: 56ch; color: var(--gray); font-size: 1rem; line-height: 1.6; }
.svc-row__icon {
  align-self: start; margin-top: 0.15em; flex: none;
  width: clamp(42px, 3.4vw, 52px); height: clamp(42px, 3.4vw, 52px);
  border-radius: 50%; border: 1px solid var(--line); color: var(--navy);
  display: flex; align-items: center; justify-content: center;
  transition: background 0.5s var(--ease), color 0.5s var(--ease), border-color 0.5s var(--ease), transform 0.5s var(--ease);
}
.svc-row__icon svg { width: 20px; height: 20px; }

.svc-row:hover .svc-row__name { color: var(--gold-deep); transform: translateX(clamp(6px, 1vw, 14px)); }
.svc-row:hover .svc-row__num { color: var(--navy); }
.svc-row:hover .svc-row__reveal { max-height: 180px; opacity: 1; }
.svc-row:hover .svc-row__icon { background: var(--navy); color: var(--paper); border-color: var(--navy); }

/* =========================== DIFERENCIAIS (colunas) ============== */
.edge { background: var(--paper); padding: clamp(4rem, 8vh, 7rem) 0; overflow: hidden; }
.edge__head {
  max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad);
  display: flex; flex-direction: column; gap: 1.8rem; margin-bottom: clamp(3rem, 6vw, 5rem);
}
.edge__title {
  max-width: 22ch;
  font-family: var(--font-display); font-stretch: 118%; font-weight: 600;
  font-size: clamp(2rem, 5vw, 4.2rem); line-height: 1.02; letter-spacing: -0.02em; text-transform: uppercase;
}

.cols {
  max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad);
  display: flex; align-items: stretch;
  height: clamp(500px, 64vh, 680px);
}
.col {
  position: relative; flex: 1 1 0; min-width: 0;
  border-left: 1px solid var(--line);
  transition: flex-grow 0.85s var(--ease), background 0.6s var(--ease);
  cursor: pointer; overflow: hidden;
}
.col:last-child { border-right: 1px solid var(--line); }
.col.is-active { flex-grow: 3.6; }
.col:hover { background: #faf9f6; }

.col__rail {
  position: absolute; left: clamp(1.3rem, 1.8vw, 2rem); top: 0; bottom: 0; z-index: 2;
  display: flex; flex-direction: column; justify-content: space-between; align-items: flex-start;
  padding: clamp(2rem, 3vh, 2.6rem) 0;
}
.col__index {
  font-family: var(--font-display); font-stretch: 120%; font-weight: 700;
  font-size: 0.95rem; color: var(--gold-deep); letter-spacing: 0.1em;
  writing-mode: vertical-rl; transform: rotate(180deg);
}
.col__name {
  font-family: var(--font-display); font-stretch: 108%; font-weight: 600;
  font-size: clamp(1.3rem, 1.9vw, 1.95rem); text-transform: uppercase; letter-spacing: -0.01em;
  color: var(--navy); white-space: nowrap;
  writing-mode: vertical-rl; transform: rotate(180deg);
  transition: color 0.45s var(--ease);
}
.col.is-active .col__name { color: var(--gold-deep); }

.col__reveal {
  position: absolute; z-index: 1;
  left: clamp(3.8rem, 5vw, 6rem); right: clamp(1.6rem, 2vw, 2.6rem);
  top: clamp(2rem, 3vh, 2.6rem); bottom: clamp(2rem, 3vh, 2.6rem);
  display: flex; flex-direction: column;
  opacity: 0; transform: translateY(30px); pointer-events: none;
  transition: opacity 0.6s var(--ease) 0.08s, transform 0.8s var(--ease) 0.08s;
}
.col.is-active .col__reveal { opacity: 1; transform: none; }
.col__desc {
  font-size: clamp(1rem, 1.1vw, 1.14rem); line-height: 1.55; color: var(--gray); max-width: 34ch;
}
.col__img {
  margin-top: auto; width: 100%; max-width: 470px; aspect-ratio: 4 / 3;
  border-radius: var(--r-md); overflow: hidden; background: var(--navy-800);
}
.col__img.is-fallback { background: linear-gradient(150deg, var(--navy-700), var(--navy-900)); }
.col__img img {
  width: 100%; height: 100%; object-fit: cover; filter: saturate(0.82);
  transform: scale(1.14); transition: transform 1.1s var(--ease);
}
.col.is-active .col__img img { transform: scale(1); }

/* ============================== OBRAS ============================= */
.works { background: var(--navy-900); color: var(--paper); padding: clamp(4rem, 8vh, 7rem) 0; overflow: hidden; }
.works__head {
  max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad);
  display: flex; flex-direction: column; align-items: flex-start; text-align: left; gap: 1.6rem;
}
.works__title {
  max-width: 20ch;
  font-family: var(--font-display); font-stretch: 118%; font-weight: 600;
  font-size: clamp(2rem, 5vw, 4.4rem); line-height: 1.02; letter-spacing: -0.02em; text-transform: uppercase;
}
.works__lead { max-width: 52ch; color: var(--gray-300); font-weight: 300; font-size: 1.08rem; line-height: 1.5; }
/* Base (desktop): grid limpo de 3 colunas */
.works__stack {
  max-width: var(--maxw); margin: clamp(3rem, 6vw, 5rem) auto 0; padding: 0 var(--pad);
  display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1rem, 1.5vw, 1.6rem);
}
.work {
  position: relative; overflow: hidden; border-radius: var(--r-md);
  background: var(--navy-800); aspect-ratio: 4 / 3;
}
.work img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  filter: saturate(0.88) brightness(0.9); transition: transform 1s var(--ease), filter 0.6s var(--ease);
}
.work:hover img { transform: scale(1.05); filter: saturate(0.96) brightness(0.98); }
.work figcaption {
  position: absolute; left: 0; bottom: 0; right: 0;
  padding: 1.4rem 1.5rem; display: flex; flex-direction: column; gap: 0.25rem;
  background: linear-gradient(0deg, rgba(18,18,42,0.9), transparent);
  opacity: 0; transform: translateY(10px); transition: transform 0.5s var(--ease), opacity 0.5s var(--ease);
}
.work:hover figcaption { opacity: 1; transform: none; }
.work figcaption span { font-family: var(--font-display); font-stretch: 108%; font-weight: 600; font-size: clamp(1.15rem, 4.5vw, 1.5rem); text-transform: uppercase; letter-spacing: -0.01em; white-space: nowrap; }
.work figcaption em { font-style: normal; font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold); white-space: nowrap; }

/* ========================= PROVA / CONFIANÇA ===================== */
.proof { background: var(--paper); padding: clamp(4rem, 8vh, 7rem) 0; overflow: hidden; }
.proof__head {
  max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad);
  display: flex; flex-direction: column; gap: 1.6rem; margin-bottom: clamp(3rem, 6vw, 4.5rem);
}
.proof .section-tag { color: var(--gray); }
.proof .section-tag::before { background: linear-gradient(90deg, rgba(217,178,106,0), var(--gold-deep)); }
.proof__title {
  font-family: var(--font-display); font-stretch: 118%; font-weight: 600;
  font-size: clamp(2rem, 5vw, 4.2rem); line-height: 1.02; letter-spacing: -0.02em; text-transform: uppercase; color: var(--navy);
}

/* métricas */
.proof__metrics {
  max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad);
  display: grid; grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--line);
}
.metric {
  padding: clamp(2.2rem, 3.5vw, 3.4rem) clamp(1rem, 1.5vw, 1.6rem) clamp(1.8rem, 3vw, 2.4rem);
  border-left: 1px solid var(--line-soft);
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: 0.9rem;
}
.metric:first-child { border-left: none; }
.metric__num {
  display: inline-flex; align-items: baseline; justify-content: center; gap: 0.05em;
  font-family: var(--font-display); font-stretch: 118%; font-weight: 600;
  font-size: clamp(2.4rem, 4.6vw, 4.2rem); line-height: 0.95; letter-spacing: -0.03em; color: var(--navy);
}
.metric__pre { font-style: normal; font-size: 0.62em; color: var(--gold-deep); }
.metric__suf { font-style: normal; font-size: 0.42em; font-weight: 500; letter-spacing: 0.02em; color: var(--gray); align-self: center; margin-left: 0.15em; }
.metric__label { font-size: 0.92rem; line-height: 1.4; color: var(--gray); max-width: 20ch; }
.metric--rating .metric__stars { display: block; color: var(--gold-deep); font-size: 1.05rem; letter-spacing: 0.12em; margin-bottom: 0.2rem; }
.metric--rating .metric__num { color: var(--gold-deep); }

/* avaliações */
.proof__reviews { max-width: var(--maxw); margin: clamp(3.5rem, 7vw, 6rem) auto 0; padding: 0 var(--pad); }
.reviews__head { display: flex; justify-content: space-between; align-items: center; gap: 1.4rem; flex-wrap: wrap; margin-bottom: 2.2rem; }
.reviews__head--end { justify-content: flex-end; }
.reviews__title {
  font-family: var(--font-display); font-stretch: 108%; font-weight: 600;
  font-size: clamp(1.4rem, 2.4vw, 2.1rem); text-transform: uppercase; letter-spacing: -0.01em; color: var(--navy);
}
.reviews__ctrls { display: flex; align-items: center; gap: clamp(1.2rem, 2vw, 1.8rem); }
.reviews__cta {
  font-size: 0.76rem; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 600; color: var(--navy);
  display: inline-flex; align-items: center; gap: 0.5rem; padding-bottom: 0.4rem; border-bottom: 1px solid var(--line);
  transition: gap 0.4s var(--ease), border-color 0.4s var(--ease);
}
.reviews__cta::after { content: "→"; transition: transform 0.4s var(--ease); }
.reviews__cta:hover { border-color: var(--gold-deep); gap: 0.8rem; }
.reviews__nav { display: flex; gap: 0.5rem; }
.rv-arrow {
  width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--line); color: var(--navy);
  display: flex; align-items: center; justify-content: center;
  transition: background 0.35s var(--ease), color 0.35s var(--ease), border-color 0.35s var(--ease), opacity 0.35s var(--ease);
}
.rv-arrow svg { width: 20px; height: 20px; }
.rv-arrow:hover { background: var(--navy); color: var(--paper); border-color: var(--navy); }
.rv-arrow:disabled { opacity: 0.3; pointer-events: none; }

.reviews__carousel { overflow: hidden; }
.reviews__track {
  --g: clamp(1rem, 1.5vw, 1.4rem);
  display: flex; gap: var(--g);
  overflow-x: auto; scroll-snap-type: x proximity; scroll-behavior: smooth;
  scrollbar-width: none; -ms-overflow-style: none;
}
.reviews__track::-webkit-scrollbar { display: none; }
.review {
  flex: 0 0 calc((100% - 2 * var(--g)) / 3); scroll-snap-align: start;
  background: var(--paper); border: 1px solid var(--line);
  padding: clamp(1.8rem, 2.6vw, 2.6rem);
  display: flex; flex-direction: column; gap: 1.1rem;
  min-height: clamp(250px, 20vw, 300px);
}
.review__stars { color: var(--gold-deep); font-size: 1rem; letter-spacing: 0.1em; }
.review__text {
  font-size: 1rem; line-height: 1.6; color: var(--navy);
  display: -webkit-box; -webkit-line-clamp: 6; -webkit-box-orient: vertical; overflow: hidden;
}
.review__by { margin-top: auto; font-size: 0.9rem; font-weight: 600; color: var(--navy); }

/* depoimentos em vídeo */
.proof__videos { max-width: var(--maxw); margin: clamp(3.5rem, 7vw, 6rem) auto 0; padding: 0 var(--pad); }
.videos__title {
  font-family: var(--font-display); font-stretch: 108%; font-weight: 600;
  font-size: clamp(1.4rem, 2.4vw, 2.1rem); text-transform: uppercase; letter-spacing: -0.01em; color: var(--navy); margin-bottom: 2rem;
}
.videos__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(1rem, 1.6vw, 1.6rem); }
.videos__grid--3 { grid-template-columns: repeat(3, 1fr); }
.vid { position: relative; overflow: hidden; border-radius: var(--r-md); aspect-ratio: 16 / 10; background: var(--navy-800); cursor: pointer; }
.vid img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.85) brightness(0.72); transition: transform 1s var(--ease); }
.vid:hover img { transform: scale(1.05); }
.vid__play {
  position: absolute; inset: 0; margin: auto; width: clamp(58px, 6vw, 76px); height: clamp(58px, 6vw, 76px);
  border-radius: 50%; background: rgba(244,243,239,0.92); color: var(--navy);
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.4s var(--ease), background 0.4s var(--ease);
}
.vid__play svg { width: 38%; height: 38%; margin-left: 8%; }
.vid:hover .vid__play { transform: scale(1.08); background: var(--gold); }
.vid figcaption {
  position: absolute; left: 0; bottom: 0; right: 0; padding: 1.5rem;
  display: flex; flex-direction: column; gap: 0.2rem;
  background: linear-gradient(0deg, rgba(18,18,42,0.82), transparent);
}
.vid figcaption span { font-family: var(--font-display); font-stretch: 108%; font-weight: 600; font-size: 1.15rem; text-transform: uppercase; color: var(--paper); }
.vid figcaption em { font-style: normal; font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold); }

/* lightbox */
.vbox {
  position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center;
  padding: clamp(1rem, 5vw, 4rem); background: rgba(10, 10, 24, 0.9);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  opacity: 0; visibility: hidden; transition: opacity 0.4s var(--ease), visibility 0.4s;
}
.vbox.is-open { opacity: 1; visibility: visible; }
.vbox__frame {
  position: relative; width: min(1000px, 100%); aspect-ratio: 16 / 9;
  background: #000; border-radius: var(--r-md); overflow: hidden;
  transform: scale(0.96); transition: transform 0.5s var(--ease);
}
.vbox.is-open .vbox__frame { transform: scale(1); }
.vbox__frame iframe, .vbox__frame video { width: 100%; height: 100%; border: 0; display: block; }
.vbox__close {
  position: absolute; top: clamp(1rem, 3vw, 2rem); right: clamp(1rem, 3vw, 2rem);
  width: 48px; height: 48px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.2);
  color: var(--paper); font-size: 1.8rem; line-height: 1; display: flex; align-items: center; justify-content: center;
  transition: background 0.3s var(--ease);
}
.vbox__close:hover { background: rgba(255,255,255,0.12); }

/* ============================ FUNDADORES ========================= */
.founders { background: var(--navy-900); color: var(--paper); padding: clamp(4rem, 8vh, 7rem) 0; overflow: hidden; }
.founders__grid {
  max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad);
  display: grid; grid-template-columns: 1.05fr 0.85fr; gap: clamp(3rem, 6vw, 7rem); align-items: center;
}
.founders__left { max-width: 46ch; }
.quote__mark {
  display: block; font-family: var(--font-display); font-stretch: 120%; font-weight: 700;
  font-size: 4.5rem; line-height: 0.5; color: var(--gold); margin-bottom: 1.4rem; height: 1.9rem;
}
.founders__quote {
  font-family: var(--font-text); font-weight: 300; font-size: clamp(1.2rem, 2.3vw, 1.95rem);
  line-height: 1.4; letter-spacing: -0.005em; color: var(--paper);
}
.founders__by {
  margin-top: clamp(2.4rem, 4vw, 3.4rem); display: flex; flex-direction: column; gap: 0.45rem;
  border-top: 1px solid var(--line-dark); padding-top: 1.6rem;
}
.founders__names {
  font-family: var(--font-display); font-stretch: 106%; font-weight: 600;
  font-size: 1.2rem; text-transform: uppercase; letter-spacing: -0.005em; color: var(--paper);
}
.founders__by em { font-style: normal; font-size: 0.8rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold); }
.founders__photo {
  aspect-ratio: 4 / 5; border-radius: var(--r-lg); overflow: hidden; background: var(--paper-2);
}
.founders__photo img { width: 100%; height: 100%; object-fit: cover; }

/* ============================= CONTATO =========================== */
.contact { background: var(--navy-900); color: var(--paper); padding: clamp(4rem, 8vh, 6.5rem) 0; overflow: hidden; }
.contact__grid {
  max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad);
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(3rem, 7vw, 7rem); align-items: start;
}
.contact__title {
  margin-top: 2rem;
  font-family: var(--font-display); font-stretch: 122%; font-weight: 600;
  font-size: clamp(2.4rem, 6vw, 5.4rem); line-height: 0.98; letter-spacing: -0.025em; text-transform: uppercase;
}
.contact__lead { margin-top: 1.8rem; max-width: 40ch; color: var(--gray-300); font-weight: 300; font-size: 1.1rem; }
.contact__direct { margin-top: 3rem; display: flex; flex-direction: column; }
.contact__line {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: 1.2rem 0; border-top: 1px solid var(--line-dark);
  transition: color 0.3s;
}
.contact__line:last-child { border-bottom: 1px solid var(--line-dark); }
a.contact__line:hover .v { color: var(--gold); }
.contact__line .k { font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gray-300); }
.contact__line .v { font-size: 1.1rem; font-weight: 500; transition: color 0.3s; }

.contact__form { display: flex; flex-direction: column; gap: 1.4rem; }
.field { display: flex; flex-direction: column; gap: 0.55rem; }
.field--split { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; }
.field--split > div { display: flex; flex-direction: column; gap: 0.55rem; }
.field label { font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--gray-300); }
.field input, .field select, .field textarea {
  font-family: var(--font-text); font-size: 1rem; color: var(--paper);
  background: transparent; border: none; border-bottom: 1px solid var(--line-dark);
  padding: 0.7rem 0; transition: border-color 0.4s var(--ease);
  width: 100%;
}
.field textarea { resize: vertical; min-height: 60px; }
.field select { appearance: none; cursor: pointer; }
.field select option { background: var(--navy-900); color: var(--paper); }
.field input::placeholder, .field textarea::placeholder { color: rgba(198,198,198,0.5); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--gold); }
.contact__form .btn { margin-top: 0.8rem; }
.form-note { font-size: 0.85rem; color: var(--gold); min-height: 1.2em; }

/* ============================== FOOTER =========================== */
.footer { background: var(--navy-900); color: var(--paper); padding: clamp(4rem, 8vh, 6rem) 0 2rem; border-top: 1px solid var(--line-dark); overflow: hidden; }
.footer__top {
  max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad) clamp(2.4rem, 5vw, 3.6rem);
}
.footer__claim {
  font-family: var(--font-display); font-stretch: 112%; font-weight: 500;
  font-size: clamp(1.7rem, 3.6vw, 3rem); line-height: 1.04; text-align: left; text-transform: uppercase; letter-spacing: -0.015em;
  max-width: 20ch; color: var(--paper);
}
.footer__cols {
  max-width: var(--maxw); margin: 0 auto; padding: clamp(2.5rem, 5vw, 4rem) var(--pad);
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem;
  border-top: 1px solid var(--line-dark);
}
.footer__col { display: flex; flex-direction: column; gap: 0.7rem; }
.footer__k { font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); margin-bottom: 0.4rem; }
.footer__col a, .footer__col span { font-size: 0.94rem; color: var(--gray-300); transition: color 0.3s; }
.footer__col a:hover { color: var(--paper); }
.footer__base {
  max-width: var(--maxw); margin: 0 auto; padding: 2rem var(--pad) 0;
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  border-top: 1px solid var(--line-dark);
  font-size: 0.78rem; letter-spacing: 0.06em; color: var(--gray);
}
.footer__credit { display: inline-flex; align-items: center; gap: 0.45rem; color: var(--gray-300); transition: color 0.35s var(--ease); }
.footer__credit:hover { color: var(--paper); }
.footer__heart { width: 14px; height: 14px; color: var(--gold); flex: none; transition: transform 0.35s var(--ease); }
.footer__credit:hover .footer__heart { transform: scale(1.18); }

/* ======================= REVEAL (base states) ==================== */
.reveal-line > span, .reveal-line { will-change: transform, opacity; }
[data-reveal] { opacity: 0; transform: translateY(38px); }
.reveal-words .word { display: inline-block; }

/* ============================ RESPONSIVE ========================= */
@media (max-width: 1080px) {
  .contact__grid { grid-template-columns: 1fr; }
  .founders__grid { grid-template-columns: 1fr; gap: clamp(2.4rem, 5vw, 3.4rem); }
  .founders__photo { aspect-ratio: 4 / 5; max-width: 440px; }
  .proof__metrics { grid-template-columns: repeat(3, 1fr); }
  .metric { border-left: none; border-top: 1px solid var(--line-soft); padding: 1.9rem 1rem 1.6rem; }
  .review { flex-basis: calc((100% - var(--g)) / 2); }
  .videos__grid--3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .nav__links { display: none; }

  /* Portfólio: sticky stack — cards empilham no topo ao scrollar */
  .works { overflow: visible; }
  .works__stack { display: block; }
  .work {
    position: sticky;
    top: calc(84px + var(--i, 0) * 12px);
    z-index: calc(var(--i, 0) + 1);
    aspect-ratio: 4 / 3;
    will-change: transform;
    transform-origin: center top;
    box-shadow: 0 -16px 36px -14px rgba(0, 0, 0, 0.5);
  }
  .work:not(:last-child) { margin-bottom: clamp(1.1rem, 3vw, 1.8rem); }

  /* Métricas: empilha 1 por linha no mobile */
  .proof__metrics { grid-template-columns: 1fr; }

  /* Avaliações: controles alinhados no grid */
  .reviews__head--end .reviews__ctrls { width: 100%; justify-content: space-between; }

  /* Processo: sem pin no mobile — empilha vertical */
  .process__pin { height: auto; overflow: visible; }
  .process__track { flex-direction: column; height: auto; padding: 0 var(--pad); }
  .pstep { flex: none; width: 100%; border-left: none; border-top: 1px solid var(--line-dark); padding: 2.6rem 0; }
  .pstep:first-child { border-top: none; }
  .pstep:last-child { border-right: none; }
  .pstep__title { margin-top: 1.6rem; padding-top: 0; }

  /* Diferenciais: colunas viram cartões empilhados */
  .cols { flex-direction: column; height: auto; }
  .col { flex: none; width: 100%; border-left: none; border-right: none; border-top: 1px solid var(--line); overflow: visible; }
  .col:last-child { border-right: none; }
  .col.is-active { flex-grow: 0; }
  .col:hover { background: transparent; }
  .col__rail { position: static; flex-direction: row; align-items: center; gap: 1.1rem; padding: 2rem 0 0; }
  .col__index, .col__name { writing-mode: horizontal-tb; transform: none; white-space: normal; }
  .col__name { font-size: 1.6rem; }
  .col__reveal { position: static; opacity: 1; transform: none; pointer-events: auto; padding: 1.1rem 0 1.8rem; }
  .col__desc { max-width: 52ch; }
  .col__img { margin-top: 1.2rem; max-width: 100%; aspect-ratio: 16 / 10; }

  /* Manifesto: 1 coluna no mobile (evita texto espremido) */
  .manifesto__cols { grid-template-columns: 1fr; gap: 1.4rem; }

  /* Serviços (lista editorial) no mobile: descrição sempre visível, sem ícone */
  .services__head { align-items: flex-start; }
  .svc-row { grid-template-columns: auto 1fr; gap: 0.9rem clamp(1rem, 3vw, 1.4rem); padding: 1.5rem 0; }
  .svc-row__reveal { max-height: none; opacity: 1; }
  .svc-row__name { font-size: clamp(1.5rem, 6.4vw, 2.1rem); }
  .svc-row__icon { display: none; }

  /* Hero mobile: bloco de texto centralizado + moldura da imagem */
  .hero { justify-content: center; padding: 0; }
  .hero__grid { align-items: center; }
  .hero__content { text-align: center; align-items: center; margin: 0 auto; }
  .hero__sub { margin-left: auto; margin-right: auto; }
  .hero__actions { justify-content: center; }
  .hero__img { transform: none; object-position: center 38%; }
  .hero__scrim {
    background:
      radial-gradient(ellipse 94% 52% at 50% 50%, rgba(18,18,42,0.52), transparent 72%),
      linear-gradient(180deg, rgba(18,18,42,0.48) 0%, rgba(18,18,42,0.28) 46%, rgba(18,18,42,0.72) 100%);
  }

  .work figcaption { transform: translateY(0); opacity: 1; }
}
@media (max-width: 620px) {
  .nav__cta { display: none; }
  .field--split { grid-template-columns: 1fr; }
  .footer__cols { grid-template-columns: 1fr; gap: 2rem; }
  .proof__metrics { grid-template-columns: 1fr; }
  .videos__grid, .videos__grid--3 { grid-template-columns: 1fr; }
  .review { flex-basis: 100%; }
  .reviews__head { align-items: flex-start; }
}

/* ==================== FLOATING WHATSAPP BUTTON ==================== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 58px;
  height: 58px;
  background-color: #25d366;
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4), 0 4px 12px rgba(0, 0, 0, 0.25);
  z-index: 9999;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background-color 0.3s var(--ease);
  text-decoration: none;
}
.whatsapp-float svg {
  width: 32px;
  height: 32px;
}
.whatsapp-float:hover {
  transform: scale(1.1);
  background-color: #20ba5a;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.5), 0 6px 16px rgba(0, 0, 0, 0.3);
}
.whatsapp-float:active {
  transform: scale(0.96);
}
@media (max-width: 620px) {
  .whatsapp-float {
    bottom: 18px;
    right: 18px;
    width: 52px;
    height: 52px;
  }
  .whatsapp-float svg {
    width: 28px;
    height: 28px;
  }
}

/* ========================= REDUCED MOTION ======================== */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .hero__img { transform: none !important; }
  /* Portfólio: desliga o empilhamento, fluxo normal */
  .work { position: static !important; top: auto !important; transform: none !important; opacity: 1 !important; box-shadow: none !important; }
}