/* ==========================================================================
   RIEGER ESTÚDIO DE ARQUITETURA
   ========================================================================== */

:root {
  --sand: #F2F0EB;
  --sand-2: #E8E5DE;
  --white: #FFFFFF;
  --ink: #111111;
  --graphite: #242424;
  --mute: #777777;
  --accent: #466FB1;          /* azul da marca */
  --accent-deep: #35568C;     /* hover / pressionado */
  --accent-soft: #93AEDB;     /* azul sobre fundos escuros */
  --logo-ink: #222220;
  --line: rgba(17, 17, 17, .14);
  --line-strong: rgba(17, 17, 17, .5);
  --line-light: rgba(242, 240, 235, .18);

  --serif: "Instrument Serif", "Times New Roman", serif;
  --sans: "Geist", "Helvetica Neue", Arial, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --gut: clamp(20px, 4.4vw, 72px);
  --header-h: 76px;
  --section-y: clamp(104px, 13vw, 200px);

  --ease: cubic-bezier(.65, .05, .25, 1);
  --ease-out: cubic-bezier(.16, .84, .24, 1);
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }

body {
  margin: 0;
  background: var(--sand);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}
.js body.is-loading { overflow: hidden; }

img, video, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
h1, h2, h3, p, ol, ul, figure { margin: 0; padding: 0; }
ol, ul { list-style: none; }
em { font-style: italic; }
::selection { background: var(--accent); color: #fff; }
:focus-visible { outline: 1px solid currentColor; outline-offset: 4px; }

.wrap { width: 100%; max-width: 1480px; margin: 0 auto; padding: 0 var(--gut); }

/* ---------- tipografia ---------- */
.eyebrow {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: .24em;
  text-transform: uppercase;
  line-height: 1.4;
}
.eyebrow--dark { color: var(--graphite); }

.display {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(3rem, 7vw, 7.6rem);
  line-height: .96;
  letter-spacing: -.018em;
}
.display em, .h2 em { color: inherit; }
.display--m { font-size: clamp(2.7rem, 5.6vw, 6rem); }

.h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.6rem, 5.4vw, 5.8rem);
  line-height: .98;
  letter-spacing: -.016em;
}
.h2 em { color: var(--accent); }

.lead { font-size: clamp(15px, 1.15vw, 17.5px); line-height: 1.6; max-width: 34em; }
.body { font-size: 16px; line-height: 1.7; color: var(--graphite); max-width: 32em; }
.body--light { color: rgba(242, 240, 235, .72); }
.body-lg {
  font-size: clamp(19px, 1.55vw, 24px);
  line-height: 1.45;
  font-weight: 300;
  letter-spacing: -.005em;
  max-width: 24em;
}

/* linhas mascaradas (títulos) */
.ln { display: block; overflow: hidden; padding: 0 .12em .08em 0; margin-bottom: -.08em; }
.ln > span { display: block; }

/* ---------- links e botões ---------- */
.link { position: relative; display: inline-block; }
.link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 1px;
  background: var(--accent); transform-origin: right;
}
.link--light::after, .final .link::after { background: currentColor; opacity: .6; }
.link:hover::after { animation: wipe .9s var(--ease); }
@keyframes wipe {
  0% { transform: scaleX(1); transform-origin: right; }
  48% { transform: scaleX(0); transform-origin: right; }
  52% { transform: scaleX(0); transform-origin: left; }
  100% { transform: scaleX(1); transform-origin: left; }
}
.link--light { color: var(--sand); }

.btn {
  position: relative;
  display: inline-flex; align-items: center; gap: 14px;
  padding: 17px 24px 17px 26px;
  font-size: 14px; font-weight: 400; letter-spacing: .01em; line-height: 1;
  overflow: hidden; isolation: isolate;
  transition: color .6s var(--ease), transform .3s var(--ease);
}
.btn::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  transform: scaleY(0); transform-origin: bottom;
  transition: transform .6s var(--ease);
}
.btn:hover::before { transform: scaleY(1); }
.btn:active { transform: scale(.98); }
.btn__arrow { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.3; transition: transform .6s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(4px); }
.btn__wa { width: 18px; height: 18px; }

.btn--light { background: var(--sand); color: var(--ink); }
.btn--light::before { background: var(--accent); }
.btn--light:hover { color: #fff; }
.btn--dark { background: var(--accent); color: #fff; }
.btn--dark::before { background: var(--accent-deep); }
.btn--xl { padding: 24px 30px 24px 32px; font-size: 16px; gap: 16px; }

/* ==========================================================================
   LOADER
   ========================================================================== */
.loader { display: none; }
.js .loader {
  position: fixed; inset: 0; z-index: 100;
  display: grid; place-items: center;
  background: var(--ink); color: var(--sand);
  transition: clip-path 1.2s var(--ease) .1s;
  clip-path: inset(0 0 0 0);
}
.loader__inner { width: min(280px, 64vw); display: grid; gap: 18px; transition: opacity .6s var(--ease), transform .8s var(--ease); }
.loader__logo { width: 104px; height: auto; margin-bottom: 6px; }
.loader__logo { --logo-word: var(--sand); }
.loader__logo { --logo-script: var(--accent-soft); }
.loader__track { position: relative; height: 1px; background: rgba(242, 240, 235, .16); overflow: hidden; }
.loader__bar { position: absolute; inset: 0; background: var(--accent-soft); transform-origin: left; transform: scaleX(0); }
.loader__meta {
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; opacity: .5;
}
.is-ready .loader { clip-path: inset(0 0 100% 0); pointer-events: none; }
.is-ready .loader__inner { opacity: 0; transform: translateY(-12px); }

/* ==========================================================================
   HEADER
   ========================================================================== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  height: var(--header-h);
  display: flex; align-items: center; gap: 40px;
  padding: 0 var(--gut);
  color: var(--sand);
  transition: color .6s var(--ease), background-color .6s var(--ease), border-color .6s var(--ease), transform .8s var(--ease);
  border-bottom: 1px solid transparent;
}
.js .header { transform: translateY(-100%); }
.is-ready .header { transform: none; transition-delay: 0s, 0s, 0s, .5s; }
.header.is-solid {
  color: var(--ink);
  background-color: rgba(242, 240, 235, .86);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-color: var(--line);
}

.brand { display: block; line-height: 0; margin-right: auto; }
.brand__logo { width: 78px; height: auto; overflow: visible; }
/* sobre o vídeo: monocromática; header claro: cores originais; header escuro: clara + azul suave */
@property --logo-word { syntax: "<color>"; inherits: true; initial-value: #222220; }
@property --logo-script { syntax: "<color>"; inherits: true; initial-value: #466FB1; }
.logo { transition: --logo-word .6s var(--ease), --logo-script .6s var(--ease); }
.brand__logo { --logo-word: var(--sand); --logo-script: var(--sand); }
.header.is-solid .brand__logo { --logo-word: var(--logo-ink); }
.header.is-solid .brand__logo { --logo-script: var(--accent); }
.header.is-solid.is-dark .brand__logo { --logo-word: var(--sand); }
.header.is-solid.is-dark .brand__logo { --logo-script: var(--accent-soft); }
.menu-open .brand__logo { --logo-word: var(--logo-ink); }
.menu-open .brand__logo { --logo-script: var(--accent); }

.nav { display: flex; gap: 34px; }
.nav__link { position: relative; font-size: 13.5px; font-weight: 400; padding: 6px 0; }
.nav__link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 2px; height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: right; transition: transform .6s var(--ease);
}
.nav__link:hover::after { transform: scaleX(1); transform-origin: left; }

.header.is-solid.is-dark {
  color: var(--sand);
  background-color: rgba(17, 17, 17, .72);
  border-color: var(--line-light);
}
.header.is-solid.is-dark .header__cta { color: var(--sand); }
.header.is-solid.is-dark .header__cta:hover { color: #fff; border-color: var(--accent); }
.header.is-solid.is-dark .header__cta:hover::before { background: var(--accent); }
.header__cta {
  font-size: 13px; font-weight: 400;
  padding: 11px 18px;
  border: 1px solid currentColor;
  position: relative; overflow: hidden; isolation: isolate;
  transition: color .5s var(--ease), border-color .5s var(--ease);
}
.header__cta::before {
  content: ""; position: absolute; inset: 0; z-index: -1; background: currentColor;
  transform: scaleY(0); transform-origin: bottom; transition: transform .5s var(--ease);
}
.header__cta:hover::before { transform: scaleY(1); }
.header__cta:hover { color: var(--ink); }
.header.is-solid .header__cta { color: var(--accent); }
.header.is-solid .header__cta::before { background: var(--accent); }
.header.is-solid .header__cta:hover { color: #fff; }
.header:not(.is-solid) .header__cta:hover::before { background: var(--sand); }

.menu-btn { display: none; align-items: center; gap: 12px; font-size: 13px; }
.menu-btn__lines { position: relative; width: 22px; height: 8px; }
.menu-btn__lines i { position: absolute; left: 0; right: 0; height: 1px; background: currentColor; transition: transform .5s var(--ease); }
.menu-btn__lines i:first-child { top: 0; }
.menu-btn__lines i:last-child { bottom: 0; }
.menu-open .menu-btn__lines i:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu-open .menu-btn__lines i:last-child { transform: translateY(-3.5px) rotate(-45deg); }

.menu {
  position: fixed; inset: 0; z-index: 45;
  background: var(--sand); color: var(--ink);
  display: flex; flex-direction: column; justify-content: space-between;
  padding: calc(var(--header-h) + 40px) var(--gut) 36px;
  clip-path: inset(0 0 100% 0);
  transition: clip-path .9s var(--ease);
  visibility: hidden;
}
.menu-open .menu { clip-path: inset(0 0 0 0); visibility: visible; }
.menu-open .header { color: var(--ink); background-color: transparent; border-color: transparent; -webkit-backdrop-filter: none; backdrop-filter: none; }
.menu__nav { display: grid; }
.menu__nav a {
  font-family: var(--serif); font-size: clamp(2.6rem, 11vw, 4rem); line-height: 1.12;
  display: flex; align-items: baseline; gap: 16px;
  border-bottom: 1px solid var(--line); padding: 8px 0;
}
.menu__nav small { font-family: var(--mono); font-size: 10px; color: var(--mute); letter-spacing: .1em; }
.menu__foot { display: grid; gap: 10px; font-size: 14px; color: var(--graphite); }

/* ==========================================================================
   FILME — scroll controla o vídeo
   ========================================================================== */
.film { position: relative; height: 560vh; background: var(--sand); }
.film__sticky {
  position: sticky; top: 0;
  height: 100vh;
  overflow: hidden;
  background: var(--sand);
}
.film__frame {
  position: absolute; inset: 0;
  overflow: hidden;
  background: #1a1a18;
  transform-origin: 50% 46%;
  will-change: transform;
  color: var(--sand);
}
.film__canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: 50% 50%;
  opacity: 0;
}
.film__canvas.is-on { opacity: 1; }
/* poster imediato antes do vídeo */
.film__frame::before {
  content: ""; position: absolute; inset: 0;
  background: url("../assets/img/poster-desktop.jpg") center / cover no-repeat;
}
.film__frame::after { /* leve sombra superior para o header */
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 22vh;
  background: linear-gradient(to bottom, rgba(10, 10, 10, .32), rgba(10, 10, 10, 0));
  pointer-events: none;
}

.shade { position: absolute; inset: 0; pointer-events: none; opacity: 0; will-change: opacity; }
.shade--hero {
  opacity: 1;
  background:
    linear-gradient(to top, rgba(10, 10, 9, .62) 0%, rgba(10, 10, 9, .26) 34%, rgba(10, 10, 9, 0) 60%),
    linear-gradient(90deg, rgba(10, 10, 9, .28) 0%, rgba(10, 10, 9, 0) 55%);
}
.shade--left {
  background: linear-gradient(90deg, rgba(12, 14, 17, .6) 0%, rgba(12, 14, 17, .34) 36%, rgba(12, 14, 17, 0) 66%);
}
.shade--m3 {
  background:
    linear-gradient(270deg, rgba(10, 11, 9, .64) 0%, rgba(10, 11, 9, .3) 40%, rgba(10, 11, 9, 0) 68%),
    rgba(10, 11, 9, .14);
}
.shade--end { background: radial-gradient(ellipse 70% 60% at 50% 50%, rgba(10, 10, 9, .5), rgba(10, 10, 9, .18)); }

/* momentos */
.moment {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  padding: calc(var(--header-h) + 4vh) var(--gut) 0;
  pointer-events: none;
}
.moment.is-live { pointer-events: auto; }
.m-item { will-change: transform, opacity; }
.js .moment:not(.moment--hero) .m-item { opacity: 0; }

.moment--hero { justify-content: flex-end; padding-bottom: 15vh; }
.moment--hero .eyebrow { margin-bottom: 28px; opacity: .92; }
.moment--hero .display { max-width: 12em; }
.moment--hero .lead { margin-top: 32px; max-width: 30em; opacity: .9; }
.moment--hero .actions { margin-top: 40px; }
.moment--hero .actions .intro { display: flex; align-items: center; gap: 34px; flex-wrap: wrap; }
.moment--hero .link { font-size: 14px; }


.moment--m2 { justify-content: center; max-width: 780px; }
.moment--m2 .lead { margin-top: 28px; max-width: 28em; }
.moment--m2 .eyebrow { margin: 26px 0 26px; }

.index { display: flex; align-items: center; gap: 16px; font-family: var(--mono); font-size: 11px; letter-spacing: .14em; }
.index i { display: block; width: 64px; height: 1px; background: currentColor; opacity: .6; }


.moment--m3 { justify-content: center; align-items: flex-end; text-align: left; }
.moment--m3 > * { width: min(540px, 100%); }
.moment--m3 .eyebrow { margin: 26px 0; }
.moment--m3 .lead { margin-top: 26px; }
.techlist { margin-top: 34px; }
.techlist li:first-child { border-top: 1px solid rgba(242, 240, 235, .3); }
.techlist li {
  display: flex; align-items: baseline; gap: 18px;
  padding: 13px 0; border-bottom: 1px solid rgba(242, 240, 235, .3);
  font-family: var(--serif); font-size: clamp(1.3rem, 1.8vw, 1.75rem); line-height: 1.2;
}
.techlist span { font-family: var(--mono); font-size: 10px; letter-spacing: .12em; opacity: .7; width: 14px; }

.moment--end { justify-content: center; align-items: center; text-align: center; }
.display--end { font-size: clamp(2.6rem, 6vw, 6.6rem); line-height: 1.02; }
.display--end .ln { overflow: visible; }

/* indicador de rolagem */
.cue {
  will-change: opacity;
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%);
  display: grid; justify-items: center; gap: 12px;
  font-family: var(--mono); font-size: 10px; letter-spacing: .18em; text-transform: uppercase;
  pointer-events: none;
}
.cue__line { position: relative; width: 1px; height: 46px; background: rgba(242, 240, 235, .25); overflow: hidden; }
.cue__line i { position: absolute; left: 0; top: 0; width: 1px; height: 100%; background: var(--sand); animation: cue 2.2s var(--ease) infinite; }
@keyframes cue {
  0% { transform: translateY(-100%); }
  55% { transform: translateY(0); }
  100% { transform: translateY(100%); }
}
.js .cue > * { opacity: 0; transition: opacity 1s var(--ease) 1.4s; }
.is-ready .cue > * { opacity: 1; }

.film__caption {
  position: absolute; left: 7vw; right: 7vw; bottom: calc(7vh - 30px);
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--mute);
  opacity: 0;
}

/* ==========================================================================
   FILOSOFIA
   ========================================================================== */
.philosophy { padding: var(--section-y) 0; background: var(--sand); }
.philosophy__head { display: grid; gap: 34px; margin-bottom: clamp(64px, 9vw, 140px); }
.philosophy__grid { display: grid; grid-template-columns: repeat(12, 1fr); column-gap: 24px; align-items: start; }
.philosophy__fig--main { grid-column: 1 / 7; }
.philosophy__fig--main .clip { aspect-ratio: 5 / 6; }
.philosophy__text { grid-column: 8 / 13; padding-top: 14vh; display: grid; gap: 28px; }
.philosophy__fig--detail { width: 64%; margin-top: 48px; justify-self: end; }
.philosophy__fig--detail .clip { aspect-ratio: 4 / 5; }

figcaption {
  display: flex; gap: 12px; margin-top: 14px;
  font-family: var(--mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--mute);
}
figcaption span { color: var(--accent); }

.clip { position: relative; overflow: hidden; background: var(--sand-2); }
.clip img {
  width: 100%; height: 118%; object-fit: cover;
  margin-top: -9%;
  transform: translate3d(0, var(--py, 0px), 0) scale(var(--s, 1));
}
.js [data-clip] { clip-path: inset(100% 0 0 0); transition: clip-path 1.5s var(--ease); }
.js [data-clip] img { --s: 1.16; }
.js [data-clip].is-in { clip-path: inset(0 0 0 0); }
.js [data-clip].is-in img { --s: 1; }
@property --s { syntax: "<number>"; inherits: true; initial-value: 1; }
.js [data-clip] img { transition: --s 2.2s var(--ease-out); }

.signature { margin-top: 32px; padding-top: 22px; border-top: 1px solid var(--line); display: grid; gap: 4px; }
.signature__name { font-family: var(--serif); font-style: italic; font-size: 30px; line-height: 1.1; }
.signature__role { font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--mute); }

/* ==========================================================================
   SERVIÇOS
   ========================================================================== */
.services { padding: var(--section-y) 0; background: var(--white); }
.section-head { display: grid; gap: 30px; margin-bottom: clamp(56px, 7vw, 110px); }
.section-head--split { grid-template-columns: 1fr minmax(260px, 380px); align-items: end; gap: 40px; }

.services__body { display: grid; grid-template-columns: repeat(12, 1fr); column-gap: 24px; position: relative; }
.services__list { grid-column: 1 / 9; border-top: 1px solid var(--line); }

.svc__link {
  position: relative;
  display: grid; grid-template-columns: 72px 1fr 40px; column-gap: 12px; row-gap: 10px;
  padding: 34px 0 32px;
  border-bottom: 1px solid var(--line);
  transition: opacity .6s var(--ease);
}
.svc__link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: right; transition: transform .9s var(--ease);
}
.svc__num { grid-row: 1 / 3; font-family: var(--mono); font-size: 11px; letter-spacing: .12em; color: var(--accent); padding-top: .9em; }
.svc__title {
  font-family: var(--serif); font-size: clamp(2rem, 3.7vw, 3.9rem); line-height: 1.02; letter-spacing: -.01em;
  transition: transform .8s var(--ease);
}
.svc__desc { grid-column: 2; max-width: 34em; font-size: 15px; line-height: 1.6; color: var(--mute); transition: transform .8s var(--ease), color .6s; }
.svc__arrow {
  grid-row: 1; grid-column: 3; align-self: center; justify-self: end;
  width: 26px; height: 26px; fill: none; stroke: var(--accent); stroke-width: 1.2;
  opacity: 0; transform: translate(-10px, 10px); transition: opacity .6s var(--ease), transform .8s var(--ease);
}
@media (hover: hover) {
  .services__list:hover .svc__link:not(:hover) { opacity: .34; }
  .svc__link:hover::after { transform: scaleX(1); transform-origin: left; }
  .svc__link:hover .svc__title { transform: translateX(14px); }
  .svc__link:hover .svc__desc { transform: translateX(14px); color: var(--graphite); }
  .svc__link:hover .svc__arrow { opacity: 1; transform: none; }
}

.services__preview {
  grid-column: 10 / 13; position: relative; align-self: stretch;
  pointer-events: none;
}
.services__preview img {
  position: absolute; left: 0; top: 0; width: 100%; aspect-ratio: 4 / 5; height: auto; object-fit: cover;
  transform: translate3d(0, var(--y, 0px), 0);
  clip-path: inset(0 0 100% 0);
  transition: clip-path .9s var(--ease), transform .9s var(--ease);
}
.services__preview img.is-on { clip-path: inset(0 0 0 0); }

/* ==========================================================================
   TECNOLOGIA
   ========================================================================== */
.tech { padding: var(--section-y) 0; background: var(--ink); color: var(--sand); overflow: hidden; }
.tech .h2 em { color: var(--accent-soft); }
.tech__grid { display: grid; grid-template-columns: repeat(12, 1fr); column-gap: 24px; row-gap: 72px; align-items: center; }
.tech__text { grid-column: 1 / 6; display: grid; gap: 34px; }
.tech__cloud { grid-column: 6 / 13; position: relative; margin-right: calc(var(--gut) * -.5); }
.cloud { width: 100%; aspect-ratio: 1.1 / 1; }
.cloud__meta { justify-content: space-between; color: rgba(242, 240, 235, .45); border-top: 1px solid var(--line-light); padding-top: 12px; margin-top: 8px; }
.cloud__meta span { color: inherit; }
.cloud__count { font-variant-numeric: tabular-nums; }

.tech__facts { grid-column: 1 / 13; display: grid; grid-template-columns: repeat(4, 1fr); column-gap: 24px; }
.tech__facts li {
  border-top: 1px solid var(--line-light); padding-top: 20px;
  font-family: var(--serif); font-size: clamp(1.35rem, 1.9vw, 1.9rem); line-height: 1.15;
  display: grid; gap: 14px; align-content: start;
}
.tech__facts span { font-family: var(--mono); font-size: 10px; letter-spacing: .14em; color: var(--accent-soft); }

/* ==========================================================================
   PROCESSO
   ========================================================================== */
.process { position: relative; height: 260vh; background: var(--sand); }
.process__sticky { position: sticky; top: 0; height: 100vh; display: flex; align-items: center; padding-top: var(--header-h); }
.section-head--row { grid-template-columns: minmax(160px, 1fr) 3fr; align-items: start; }
.section-head--row .eyebrow { padding-top: 1.2em; }

.steps { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); column-gap: 32px; }
.steps__rail { position: absolute; left: 0; right: 0; top: 0; height: 1px; background: var(--line); }
.steps__fill { position: absolute; inset: 0; background: var(--accent); transform-origin: left; transform: scaleX(var(--p, 0)); }
.step { position: relative; padding-top: 44px; display: grid; gap: 14px; align-content: start; }
.step__node {
  position: absolute; top: -4px; left: 0; width: 9px; height: 9px;
  background: var(--sand); border: 1px solid var(--line-strong);
  transition: background-color .6s var(--ease), border-color .6s var(--ease);
}
.step__num { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; color: var(--mute); }
.step__title { font-family: var(--serif); font-weight: 400; font-size: clamp(1.9rem, 2.7vw, 2.8rem); line-height: 1; }
.step__text { font-size: 15px; line-height: 1.6; color: var(--graphite); max-width: 22em; }
.step > :not(.step__node) { opacity: .28; transform: translateY(10px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.step.is-active > * { opacity: 1; transform: none; }
.step.is-active .step__node { background: var(--accent); border-color: var(--accent); }
.step.is-active .step__num { color: var(--accent); }

/* ==========================================================================
   PROJETOS
   ========================================================================== */
.works { padding: var(--section-y) 0; background: var(--white); }
.works__note { color: var(--mute); font-size: 15px; }
.works__grid { display: grid; grid-template-columns: repeat(12, 1fr); column-gap: 24px; row-gap: clamp(36px, 4.4vw, 64px); align-items: start; }
/* ritmo assimétrico: grande + pequena, depois invertido — com respiros curtos entre as imagens */
.work--big-l { grid-column: 1 / 8; }
.work--small-r { grid-column: 9 / 13; margin-top: clamp(32px, 5vw, 80px); }
.work--small-l { grid-column: 1 / 5; }
.work--big-r { grid-column: 6 / 13; margin-top: clamp(32px, 5vw, 80px); }
.work--half-l { grid-column: 1 / 7; }
.work--half-r { grid-column: 7 / 13; margin-top: clamp(24px, 3.5vw, 56px); }

.work__media {
  position: relative; display: block; width: 100%; overflow: hidden;
  aspect-ratio: 16 / 10.5; background: var(--sand-2); cursor: zoom-in;
}
.work--small-r .work__media, .work--small-l .work__media { aspect-ratio: 4 / 5; }
.work--half-l .work__media, .work--half-r .work__media { aspect-ratio: 3 / 2; }
.work__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.6s var(--ease-out); }
.work__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10, 10, 9, .6), rgba(10, 10, 9, 0) 52%);
  opacity: 0; transition: opacity .8s var(--ease);
}
.work__info {
  position: absolute; left: 24px; right: 24px; bottom: 22px; z-index: 1;
  display: grid; gap: 6px; color: var(--sand); text-align: left;
  opacity: 0; transform: translateY(14px); transition: opacity .7s var(--ease), transform .9s var(--ease);
}
.work__cat { font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--accent-soft); }
.work__name { font-family: var(--serif); font-size: clamp(1.6rem, 2.4vw, 2.4rem); line-height: 1; }
.work__more { margin-top: 6px; font-size: 13px; opacity: .85; }
@media (hover: hover) {
  .work__media:hover img { transform: scale(1.035); }
  .work__media:hover::after, .work__media:hover .work__info { opacity: 1; }
  .work__media:hover .work__info { transform: none; }
}
.work__caption {
  display: block; margin-top: 14px; line-height: 1.7;
  font-family: var(--mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink);
}
.work__caption span { color: var(--accent); margin-right: 12px; }
.work__caption em { font-style: normal; color: var(--mute); }

/* ==========================================================================
   REGULARIZAÇÃO
   ========================================================================== */
.regular { padding: var(--section-y) 0; background: var(--sand); }
.regular__grid { display: grid; grid-template-columns: repeat(12, 1fr); column-gap: 24px; align-items: center; }
.regular__text { grid-column: 1 / 7; display: grid; gap: 28px; justify-items: start; }
.regular__text .h2 { margin: 6px 0 12px; }
.regular__issues { display: flex; flex-wrap: wrap; border-top: 1px solid var(--line); width: min(100%, 480px); margin: 6px 0 14px; }
.regular__issues li {
  flex: 1; padding-top: 12px;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--graphite);
}
.regular__plan { grid-column: 8 / 13; color: var(--ink); }
.wire { display: block; width: 100%; aspect-ratio: 1 / 1.08; cursor: grab; touch-action: pan-y; }
.wire:active { cursor: grabbing; }
.regular__plan figcaption { justify-content: space-between; border-top: 1px solid var(--line); padding-top: 12px; }
.regular__plan figcaption span { color: var(--mute); }

/* ==========================================================================
   CTA FINAL
   ========================================================================== */
.final {
  position: relative; min-height: 100vh; min-height: 100svh;
  display: flex; align-items: center;
  color: var(--sand); overflow: hidden; background: var(--ink);
  padding: var(--section-y) 0;
}
.final__bg { position: absolute; inset: 0; }
.final__bg img { width: 100%; height: 124%; margin-top: -12%; object-fit: cover; transform: translate3d(0, var(--py, 0px), 0); }
.final__bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10, 10, 9, .72), rgba(10, 10, 9, .46) 60%, rgba(10, 10, 9, .56));
}
.final__content { position: relative; display: grid; gap: 34px; justify-items: start; }
.display--final { font-size: clamp(3rem, 7.6vw, 8.4rem); max-width: 11em; }
.final .lead { opacity: .86; max-width: 28em; }
.final__actions { display: flex; align-items: center; gap: 32px; flex-wrap: wrap; margin-top: 10px; }
.final__phone { font-family: var(--mono); font-size: 12px; letter-spacing: .12em; opacity: .7; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer { background: var(--sand); padding: clamp(80px, 9vw, 130px) 0 28px; overflow: hidden; }
.footer__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; font-size: 15px; }
.footer__label { display: block; margin-bottom: 12px; font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--mute); }
.footer__col--end { justify-self: end; align-self: end; }
.footer__logo { display: block; width: clamp(200px, 34vw, 520px); height: auto; margin: clamp(64px, 9vw, 140px) 0 28px; }
.footer__logo { --logo-word: var(--logo-ink); }
.footer__logo { --logo-script: var(--accent); }
.footer__base {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  border-top: 1px solid var(--line); padding-top: 18px;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--mute);
}

/* ==========================================================================
   GALERIA
   ========================================================================== */
.lightbox {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(14, 14, 13, .97); color: var(--sand);
  display: grid; grid-template-rows: auto 1fr;
  opacity: 0; transition: opacity .5s var(--ease);
}
.lightbox[hidden] { display: none; }
.lightbox.is-open { opacity: 1; }
.lightbox__bar {
  display: flex; align-items: center; gap: 24px;
  padding: 22px var(--gut); border-bottom: 1px solid var(--line-light);
}
.lightbox__title { display: grid; gap: 4px; margin-right: auto; }
.lightbox__cat { font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--accent-soft); }
.lightbox__name { font-family: var(--serif); font-size: clamp(1.4rem, 2.2vw, 2rem); line-height: 1; }
.lightbox__count { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; opacity: .7; font-variant-numeric: tabular-nums; }
.lightbox__close { display: flex; align-items: center; gap: 10px; font-size: 13px; padding: 10px 0; }
.lightbox__close i { position: relative; width: 16px; height: 16px; }
.lightbox__close i::before, .lightbox__close i::after { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: currentColor; transform: rotate(45deg); }
.lightbox__close i::after { transform: rotate(-45deg); }
.lightbox__stage { position: relative; display: grid; place-items: center; padding: 3vh calc(var(--gut) + 56px) 5vh; min-height: 0; }
.lightbox__img {
  max-width: 100%; max-height: calc(100vh - 170px); max-height: calc(100svh - 170px);
  width: auto; height: auto; object-fit: contain;
  opacity: 0; transform: scale(.985); transition: opacity .45s var(--ease), transform .7s var(--ease-out);
}
.lightbox__img.is-on { opacity: 1; transform: none; }
.lightbox__nav {
  position: absolute; top: 50%; width: 52px; height: 52px; margin-top: 20px;
  display: grid; place-items: center; transform: translateY(-50%);
  border: 1px solid var(--line-light); transition: background-color .4s, border-color .4s;
}
.lightbox__nav:hover { background: var(--accent); border-color: var(--accent); }
.lightbox__nav svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.3; }
.lightbox__nav--prev { left: var(--gut); }
.lightbox__nav--next { right: var(--gut); }
.lightbox-open .wa-float { opacity: 0 !important; pointer-events: none !important; }
.lightbox.is-single .lightbox__nav, .lightbox.is-single .lightbox__count { display: none; }
@media (max-width: 767px) {
  .lightbox__stage { padding: 2vh 12px 12vh; }
  .lightbox__nav { top: auto; bottom: 22px; margin: 0; transform: none; }
  .lightbox__count { display: none; }
}

/* ==========================================================================
   WHATSAPP FLUTUANTE
   ========================================================================== */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 40;
  display: flex; align-items: center; gap: 12px;
  padding: 13px 18px 13px 15px;
  background: rgba(17, 17, 17, .94);
  color: var(--sand);
  border: 1px solid rgba(242, 240, 235, .16);
  font-size: 13px; font-weight: 400;
  opacity: 0; transform: translateY(14px); pointer-events: none;
  transition: opacity .7s var(--ease), transform .7s var(--ease), background-color .4s, color .4s;
}
.wa-float svg { width: 18px; height: 18px; }
.wa-float.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.wa-float.is-visible.is-muted { opacity: 0; transform: translateY(14px); pointer-events: none; }
.wa-float:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ==========================================================================
   REVEALS
   ========================================================================== */
.js [data-reveal] { opacity: 0; transform: translateY(26px); transition: opacity 1.2s var(--ease-out), transform 1.4s var(--ease-out); transition-delay: var(--d, 0s); }
.js [data-reveal].is-in { opacity: 1; transform: none; }
.js [data-lines] .ln > span { transform: translateY(108%); transition: transform 1.4s var(--ease); }
.js [data-lines] .ln:nth-child(2) > span { transition-delay: .1s; }
.js [data-lines] .ln:nth-child(3) > span { transition-delay: .2s; }
.js [data-lines].is-in .ln > span { transform: none; }

/* intro da hero, após o loader */
.js .moment--hero .intro { display: block; opacity: 0; transform: translateY(24px); transition: opacity 1.3s var(--ease-out), transform 1.5s var(--ease-out); }
.js .moment--hero .ln .intro { opacity: 1; transform: translateY(108%); transition: transform 1.5s var(--ease); }
.is-ready .moment--hero .intro, .is-ready .moment--hero .ln .intro { opacity: 1; transform: none; }
.is-ready .moment--hero .eyebrow .intro { transition-delay: .25s; }
.is-ready .moment--hero .ln:nth-child(1) .intro { transition-delay: .35s; }
.is-ready .moment--hero .ln:nth-child(2) .intro { transition-delay: .47s; }
.is-ready .moment--hero .lead .intro { transition-delay: .75s; }
.is-ready .moment--hero .actions .intro { transition-delay: .9s; }

/* ==========================================================================
   RESPONSIVO
   ========================================================================== */
@media (max-width: 1080px) {
  .nav { gap: 24px; }
  .header.is-solid.is-dark {
  color: var(--sand);
  background-color: rgba(17, 17, 17, .72);
  border-color: var(--line-light);
}
.header.is-solid.is-dark .header__cta { color: var(--sand); }
.header.is-solid.is-dark .header__cta:hover { color: #fff; border-color: var(--accent); }
.header.is-solid.is-dark .header__cta:hover::before { background: var(--accent); }
.header__cta { display: none; }
  .services__list { grid-column: 1 / 13; }
  .services__preview { display: none; }
}

@media (max-width: 860px) {
  .nav { display: none; }
  .menu-btn { display: inline-flex; }

  .philosophy__grid { display: block; }
  .philosophy__text { padding-top: 56px; }
  .philosophy__fig--detail { width: 72%; }

  .tech__text, .tech__cloud { grid-column: 1 / 13; }
  .tech__cloud { margin-right: 0; }
  .tech__facts { grid-template-columns: 1fr 1fr; row-gap: 36px; }

  .section-head--split, .section-head--row { grid-template-columns: 1fr; }
  .section-head--row .eyebrow { padding-top: 0; }

  /* processo — linha vertical, sem sticky */
  .process { height: auto; padding: var(--section-y) 0; }
  .process__sticky { position: relative; height: auto; display: block; padding-top: 0; }
  .steps { grid-template-columns: 1fr; row-gap: 48px; padding-left: 34px; }
  .steps__rail { left: 4px; right: auto; top: 6px; bottom: 6px; width: 1px; height: auto; }
  .steps__fill { transform-origin: top; transform: scaleY(var(--p, 0)); }
  .step { padding-top: 0; }
  .step__node { left: -34px; top: 4px; }

  .works__grid { grid-template-columns: 1fr 1fr; column-gap: 14px; row-gap: 36px; }
  .works__grid .work { grid-column: 1 / 3; margin-top: 0; }

  .regular__text, .regular__plan { grid-column: 1 / 13; }
  .regular__plan { margin-top: 72px; }

  .footer__grid { grid-template-columns: 1fr 1fr; row-gap: 40px; }
  .footer__col--end { justify-self: start; }
}

/* ---------- mobile: experiência do vídeo recomposta ---------- */
@media (max-width: 767px), (max-aspect-ratio: 4/5) {
  :root { --header-h: 64px; }
  .brand__logo { width: 66px; }
  .film { height: 500vh; }
  .film__frame::before { background-image: url("../assets/img/poster-mobile.jpg"); }

  .moment {
    justify-content: flex-end;
    padding-bottom: calc(15vh + (100vh - 100svh));
  }
  .moment--hero { padding-bottom: calc(17vh + (100vh - 100svh)); }
  .moment--hero .eyebrow { margin-bottom: 20px; font-size: 10px; }
  .moment--hero .lead { margin-top: 22px; font-size: 15px; }
  .moment--hero .actions { margin-top: 28px; }
  .moment--hero .actions .intro { gap: 24px; }
  .display { font-size: clamp(2.55rem, 11.4vw, 4rem); line-height: .98; }
  .display--m { font-size: clamp(2.35rem, 10.4vw, 3.6rem); }

  .shade--hero, .shade--left, .shade--m3 {
    background: linear-gradient(to top, rgba(10, 10, 9, .74) 0%, rgba(10, 10, 9, .4) 38%, rgba(10, 10, 9, 0) 64%);
  }
  .moment--m2 .eyebrow, .moment--m3 .eyebrow { margin: 0 0 18px; }
  .moment .index { display: none; }
  .moment--m2 .lead { margin-top: 18px; font-size: 15px; }
  .moment--m3 { align-items: stretch; }
  .moment--m3 .lead { display: none; }
  .techlist { margin-top: 22px; }
  .techlist li { padding: 10px 0; font-size: 1.28rem; }


  .cue { bottom: calc(22px + (100vh - 100svh)); }
  .cue__line { height: 34px; }
  .film__caption { left: 5vw; right: 5vw; flex-direction: column; gap: 4px; bottom: calc(5vh - 30px + (100vh - 100svh)); }

  .svc__link { grid-template-columns: 44px 1fr; padding: 26px 0 24px; }
  .svc__arrow { display: none; }
  .svc__title { font-size: clamp(1.75rem, 8vw, 2.4rem); }
  .svc__desc { font-size: 14.5px; }

  .tech__facts { grid-template-columns: 1fr; row-gap: 0; }
  .tech__facts li { grid-template-columns: 44px 1fr; align-items: baseline; padding: 16px 0; }
  .cloud { aspect-ratio: 1 / 1; }

  .work__info { display: none; }
  .work__caption em { display: block; }

  .btn--xl { padding: 20px 22px; font-size: 15px; width: 100%; justify-content: space-between; }
  .final__actions { width: 100%; }

  .wa-float { right: 16px; bottom: calc(16px + env(safe-area-inset-bottom)); width: 50px; height: 50px; padding: 0; justify-content: center; }
  .wa-float span { display: none; }
  .wa-float svg { width: 20px; height: 20px; }
}

/* ==========================================================================
   MOVIMENTO REDUZIDO — mesma narrativa, sem scrubbing
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; transition-delay: 0s !important; }

  .js .loader, .film__canvas, .shade, .cue, .film__caption { display: none !important; }
  .film { height: auto; }
  .film__sticky { position: relative; height: auto; overflow: visible; }
  .film__frame { position: relative; inset: auto; transform: none !important; background: none; }
  .film__frame::before, .film__frame::after { display: none; }
  .moment {
    position: relative; inset: auto; min-height: 100vh; min-height: 100svh;
    justify-content: flex-end; padding-bottom: 12vh; max-width: none;
    background: #1a1a18 center / cover no-repeat;
    pointer-events: auto;
    opacity: 1 !important;
  }
  .moment::before { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(10, 10, 9, .72), rgba(10, 10, 9, .2)); }
  .moment > * { position: relative; }
  .moment--hero { background-image: url("../assets/img/poster-desktop.jpg"); }
  .moment--m2 { background-image: url("../assets/img/still-ceu.jpg"); align-items: flex-start; }
  .moment--m3 { background-image: url("../assets/img/still-aerea.jpg"); align-items: flex-start; }
  .moment--end { background-image: url("../assets/img/still-8.jpg"); justify-content: center; }
  .moment--m3 .lead { display: block; }
  .m-item, .js .moment:not(.moment--hero) .m-item { opacity: 1 !important; transform: none !important; filter: none !important; }
  .js .intro, .js [data-reveal], .js [data-lines] .ln > span, .js .moment--hero .ln .intro { opacity: 1 !important; transform: none !important; }
  .js [data-clip] { clip-path: none; }
  .js .header { transform: none; }
  .process { height: auto; padding: var(--section-y) 0; }
  .process__sticky { position: relative; height: auto; }
  .step > * { opacity: 1 !important; transform: none !important; }
  .steps__fill { transform: none !important; }
  .step__node { background: var(--accent); border-color: var(--accent); }
  .wa-float { opacity: 1; transform: none; pointer-events: auto; }
}