/* ============================================================
   TITTO V2 — A marca que se monta
   Mobile-first · paleta: carbono/grafite/aço + dourado/amarelo
   ============================================================ */

:root {
  --carbono: #0B0B0D;
  --grafite: #141518;
  --aco: #9DA1A6;
  --dourado: #A97E2F;
  --amarelo: #F2B90D;
  --branco: #F4F4F2;
  --hairline: rgba(157, 161, 166, 0.16);

  --font-display: "Archivo Black", sans-serif;
  --font-body: "Archivo", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;

  --pad-x: clamp(1.25rem, 4vw, 5rem);
  --pad-y: clamp(4.5rem, 11vh, 9rem);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--carbono);
  color: var(--branco);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, video, canvas { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
em { font-style: normal; color: var(--amarelo); }

.mono {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.section-kicker { color: var(--dourado); margin-bottom: 1.3rem; }
.section-kicker em { color: var(--aco); }
h1, h2, h3 { font-weight: 400; }

/* títulos display */
.quem__title, .fazemos__title, .montagem__title, .numeros__title, .confia__title, .contato__title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 8.4vw, 4.6rem);
  line-height: 1.02;
  text-transform: uppercase;
}

/* ============ COSTURA DE SOLDA (progresso) ============ */
.seam {
  position: fixed;
  top: 0; right: 0;
  width: 3px; height: 100svh;
  background: rgba(157, 161, 166, 0.12);
  z-index: 60;
  pointer-events: none;
}
.seam i {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 0%;
  background: linear-gradient(180deg, var(--dourado), var(--amarelo));
}
.seam b {
  position: absolute;
  left: 50%; top: 0;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--amarelo);
  box-shadow: 0 0 12px 3px rgba(242, 185, 13, 0.75);
  transform: translate(-50%, -50%);
  opacity: 0;
}

/* ============ HEADER ============ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem var(--pad-x);
  background: linear-gradient(180deg, rgba(11,11,13,0.72), rgba(11,11,13,0));
}
.header__logo img { width: clamp(120px, 30vw, 176px); height: auto; filter: drop-shadow(0 1px 6px rgba(0,0,0,0.5)); }
.header__right { display: flex; align-items: center; gap: 0.9rem; }
.header__cta {
  background: var(--amarelo);
  color: var(--carbono);
  padding: 0.62rem 0.95rem;
  font-size: 0.68rem;
  transition: background 0.25s;
}
.header__cta:hover { background: var(--branco); }
.header__menu-btn {
  width: 44px; height: 40px;
  background: none; border: 0; cursor: pointer;
  display: grid; place-content: center; gap: 6px;
  z-index: 70;
}
.header__menu-btn span {
  width: 26px; height: 2px;
  background: #fff;
  mix-blend-mode: difference;
  transition: transform 0.3s, opacity 0.3s;
}
.header__menu-btn.is-open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.header__menu-btn.is-open span:nth-child(2) { opacity: 0; }
.header__menu-btn.is-open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ============ MENU DRAWER ============ */
.menu {
  position: fixed;
  inset: 0 20% 0 0;
  min-width: 300px;
  background: var(--grafite);
  border-right: 1px solid var(--hairline);
  z-index: 65;
  visibility: hidden;
  transform: translateX(-101%);
}
.menu__inner {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2.2rem;
  padding: 5rem var(--pad-x) 3rem;
}
.menu__nav li { margin-bottom: 0.4rem; }
.menu__nav a {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 6vw, 2.2rem);
  text-transform: uppercase;
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  padding: 0.35rem 0;
  transition: color 0.25s;
}
.menu__nav a:hover { color: var(--amarelo); }
.menu__num { font-family: var(--font-mono); font-size: 0.7rem; color: var(--dourado); }
.menu__contact { display: grid; gap: 0.45rem; font-family: var(--font-mono); font-size: 0.8rem; color: var(--aco); }
.menu__contact a:hover { color: var(--amarelo); }
.menu__tagline { color: var(--aco); font-size: 0.8rem; }
.menu-backdrop {
  position: fixed; inset: 0;
  background: rgba(11,11,13,0.6);
  z-index: 62;
  opacity: 0; pointer-events: none;
  transition: opacity 0.35s;
}
.menu-backdrop.is-open { opacity: 1; pointer-events: auto; }

/* ============ BOTÕES ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 1rem 1.5rem;
  border: 1px solid var(--hairline);
  cursor: pointer;
  transition: background 0.3s, color 0.3s, border-color 0.3s;
}
.btn svg { width: 19px; height: 19px; }
.btn--amarelo { background: var(--amarelo); border-color: var(--amarelo); color: var(--carbono); }
.btn--amarelo:hover { background: var(--branco); border-color: var(--branco); }
.btn--ghost { border-color: rgba(157,161,166,0.4); }
.btn--ghost:hover { border-color: var(--amarelo); color: var(--amarelo); }

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; }
.hero__bg img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero__real { clip-path: inset(0 100% 0 0); }
.hero__sweep {
  position: absolute;
  top: 0; bottom: 0;
  left: 0;
  width: 3px;
  background: var(--amarelo);
  box-shadow: 0 0 22px 5px rgba(242, 185, 13, 0.6);
  opacity: 0;
}
.hero__overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(11,11,13,0.6) 0%, rgba(11,11,13,0.22) 40%, rgba(11,11,13,0.9) 100%),
    linear-gradient(90deg, rgba(11,11,13,0.5), rgba(11,11,13,0.05) 60%);
}
/* faixa técnica */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  background: var(--grafite);
  padding: 0.85rem 0;
}
.marquee__track {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  width: max-content;
  color: var(--aco);
  font-size: 0.68rem;
  white-space: nowrap;
}
.marquee__track span { flex-shrink: 0; }
.marquee__track i {
  flex-shrink: 0;
  width: 7px; height: 7px;
  background: var(--dourado);
  transform: rotate(45deg);
}
.hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 6rem var(--pad-x) 5.5rem;
}
.hero__kicker {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  border-left: 3px solid var(--amarelo);
  padding-left: 0.9rem;
  margin-bottom: 1.6rem;
  font-size: 0.7rem;
  color: var(--branco);
  text-shadow: 0 1px 10px rgba(11,11,13,0.7);
}
.hero__kicker-loc { color: var(--amarelo); }
.hero__brand {
  font-family: var(--font-display);
  font-size: clamp(4.6rem, 23.5vw, 19rem);
  line-height: 0.9;
  letter-spacing: -0.012em;
  text-transform: uppercase;
  margin-left: -0.05em;
}
.hero__brand .char { display: inline-block; }
.hero__bar {
  width: clamp(90px, 26vw, 300px);
  height: 6px;
  background: linear-gradient(90deg, var(--dourado), var(--amarelo));
  margin: 1.1rem 0 1.3rem;
  transform-origin: left center;
}
.hero__tag { font-size: clamp(1rem, 4.4vw, 1.5rem); color: var(--branco); margin-bottom: 1.8rem; }
.hero__cta { display: flex; flex-direction: column; gap: 0.8rem; }
.hero__scroll {
  position: absolute;
  right: var(--pad-x); bottom: 1.2rem;
  z-index: 2;
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.62rem;
  color: var(--aco);
}
.hero__scroll svg { width: 16px; }

/* ============ 01 QUEM SOMOS ============ */
.quem { background: var(--carbono); padding: var(--pad-y) var(--pad-x); }
.quem__grid { display: grid; gap: 2.2rem; width: 100%; }
.quem__p { color: var(--aco); margin-bottom: 1rem; max-width: 46ch; }
.quem__p strong { color: var(--branco); font-weight: 600; }
.quem__title { margin-bottom: 1.4rem; }
.quem__seg {
  display: flex; flex-wrap: wrap;
  gap: 0.7rem 1.6rem;
  margin-top: 1.4rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--hairline);
  color: var(--aco);
}
.quem__seg li { position: relative; padding-left: 1rem; }
.quem__seg li::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 6px; height: 6px;
  background: var(--dourado);
  transform: translateY(-50%) rotate(45deg);
}
.quem__fig { position: relative; border: 1px solid var(--hairline); border-bottom: 3px solid var(--dourado); }
.quem__fig img { width: 100%; height: auto; }
.quem__fig figcaption {
  position: absolute;
  left: 0; bottom: -1.9rem;
  color: var(--aco);
  font-size: 0.6rem;
}
.quem__difs {
  display: grid;
  gap: 1.4rem;
  margin-top: clamp(3rem, 7vh, 4.5rem);
  padding-top: 2rem;
  border-top: 1px solid var(--hairline);
}
.dif { display: grid; grid-template-columns: 2.2rem 1fr; gap: 0.2rem 0.8rem; }
.dif__num {
  color: var(--carbono);
  background: var(--amarelo);
  width: 1.7rem; height: 1.7rem;
  display: grid; place-items: center;
  font-size: 0.72rem;
}
.dif__name {
  font-family: var(--font-display);
  font-size: 1rem;
  text-transform: uppercase;
  align-self: center;
}
.dif__desc { grid-column: 2; color: var(--aco); font-size: 0.9rem; }

/* ============ 02 O QUE FAZEMOS ============ */
.fazemos { background: var(--grafite); }
.fazemos__pin {
  position: relative;
  height: 100svh;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}
.fazemos__canvas, .fazemos__fallback {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.fazemos__fallback { display: none; }
.no-motion .fazemos__fallback { display: block; }
.no-motion .fazemos__canvas { display: none; }
.fazemos__shade {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(11,11,13,0.8) 0%, rgba(11,11,13,0.55) 45%, rgba(11,11,13,0.94) 100%);
}
.fazemos__content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 5.5rem var(--pad-x) 2.2rem;
}
.fazemos .section-kicker { color: var(--amarelo); text-shadow: 0 1px 8px rgba(11,11,13,0.85); }
.fazemos .section-kicker em { color: var(--branco); }
.fazemos__title, .fsrv__name { text-shadow: 0 2px 14px rgba(11,11,13,0.55); }
.fazemos__title { max-width: 16ch; margin-bottom: 1.6rem; }
.fazemos__list { display: grid; }
.fsrv {
  display: grid;
  grid-template-columns: 2.2rem 1fr;
  gap: 0.2rem 0.8rem;
  padding: 0.72rem 0;
  border-top: 1px solid rgba(244, 244, 242, 0.14);
  opacity: 0.38;
  transition: opacity 0.35s;
  cursor: pointer;
}
.fsrv.is-active { opacity: 1; }
.fsrv__num { color: var(--amarelo); padding-top: 0.2rem; }
.fsrv__name {
  font-family: var(--font-display);
  font-size: clamp(0.92rem, 3.9vw, 1.3rem);
  text-transform: uppercase;
  line-height: 1.1;
}
.fsrv__desc {
  grid-column: 2;
  color: var(--aco);
  font-size: 0.85rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.fsrv.is-active .fsrv__desc { max-height: 6em; }

/* ============ 03 MONTAGEM ============ */
.montagem { background: var(--carbono); }
.montagem__pin {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 5.5rem var(--pad-x) 2.5rem;
  overflow: hidden;
  background-image:
    linear-gradient(rgba(157,161,166,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(157,161,166,0.055) 1px, transparent 1px);
  background-size: 56px 56px;
}
.montagem__head { margin-bottom: 1rem; }
.montagem__title { max-width: 14ch; }
.montagem__stage {
  position: relative;
  width: min(94vw, 760px);
  aspect-ratio: 1.45;
  margin: 0 auto;
  flex-shrink: 1;
}
.mt-piece { position: absolute; height: auto; will-change: transform; }
.mt-col { width: 13.5%; bottom: 0; }
.mt-col--a { left: 13%; }
.mt-col--b { right: 13%; transform: scaleX(-1); }
.mt-viga { width: 82%; left: 9%; bottom: 55.5%; }
.mt-trelica { width: 66%; left: 17%; bottom: 61%; }
.mt-flash {
  position: absolute;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,236,150,0.95) 0%, rgba(242,185,13,0.55) 35%, rgba(242,185,13,0) 70%);
  opacity: 0;
  pointer-events: none;
}
.mt-flash--a { left: 16%; bottom: 53%; }
.mt-flash--b { right: 16%; bottom: 53%; }
.mt-flash--c { left: 48%; bottom: 74%; }
.montagem__note {
  color: var(--aco);
  max-width: 44ch;
  margin: 1.2rem auto 0;
  text-align: center;
  font-size: 0.92rem;
}
.montagem__note strong { color: var(--branco); font-weight: 600; }

/* ============ 04 NÚMEROS ============ */
.numeros {
  position: relative;
  overflow: hidden;
  padding: var(--pad-y) var(--pad-x);
  min-height: 92svh;
  display: flex;
  align-items: flex-end;
}
.numeros__bg { position: absolute; inset: 0; }
.numeros__bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.18);
  transform-origin: 62% 40%;
}
.numeros__shade {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(11,11,13,0.55), rgba(11,11,13,0.25) 40%, rgba(11,11,13,0.9) 88%);
}
.numeros__inner { position: relative; z-index: 2; width: 100%; }
.numeros__title { max-width: 14ch; margin-bottom: 2rem; }
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.6rem 1.2rem; }
.stats__item { border-left: 1px solid rgba(244,244,242,0.25); padding-left: 1rem; }
.stats__num, .stats__plus {
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 9.5vw, 4.6rem);
  line-height: 1;
}
.stats__plus { color: var(--amarelo); }
.stats__label { display: block; color: var(--aco); margin-top: 0.5rem; font-size: 0.62rem; }

/* ============ 05 CONFIANÇA ============ */
.confia { background: var(--grafite); padding: var(--pad-y) var(--pad-x); }
.confia__grid { display: grid; gap: 2.5rem; }
.confia__title { margin-bottom: 1.8rem; max-width: 14ch; }
.confia__fig { position: relative; max-width: 460px; }
.confia__fig img { width: 100%; height: auto; border: 1px solid var(--hairline); }
.confia__fig figcaption { color: var(--aco); font-size: 0.62rem; margin-top: 0.7rem; }

.faq__item { border-bottom: 1px solid var(--hairline); }
.faq__item:first-child { border-top: 1px solid var(--hairline); }
.faq__q {
  width: 100%;
  display: grid;
  grid-template-columns: 2rem 1fr 20px;
  align-items: center;
  gap: 0.8rem;
  background: none; border: 0; cursor: pointer;
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 3.8vw, 1.15rem);
  text-transform: uppercase;
  text-align: left;
  color: var(--branco);
  padding: 1.15rem 0;
}
.faq__num { color: var(--dourado); }
.faq__q svg { width: 20px; transition: transform 0.35s; }
.faq__item.is-open .faq__q svg { transform: rotate(180deg); }
.faq__a { max-height: 0; overflow: hidden; transition: max-height 0.45s ease; }
.faq__a p { padding: 0 0 1.3rem 2.8rem; color: var(--aco); max-width: 58ch; }

/* ============ 06 CONTATO ============ */
.contato { position: relative; overflow: hidden; background: var(--carbono); }
.contato__bg { position: absolute; inset: 0; }
.contato__bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.4;
  filter: grayscale(0.35);
}
.contato__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(11,11,13,0.9), rgba(11,11,13,0.6) 45%, rgba(11,11,13,0.92));
}
.contato__inner {
  position: relative; z-index: 2;
  display: grid;
  gap: 2.5rem;
  padding: var(--pad-y) var(--pad-x);
}
.contato__title { max-width: 11ch; }
.contato__text { color: var(--aco); max-width: 44ch; margin-top: 1.3rem; }
.contato__links { display: flex; flex-direction: column; gap: 0.8rem; margin-top: 1.8rem; }
.contato__dados { display: grid; gap: 0.6rem; margin-top: 2.2rem; color: var(--branco); font-size: 0.72rem; }
.contato__dados span { display: inline-block; width: 6.2rem; color: var(--aco); }

.form {
  background: rgba(20, 21, 24, 0.9);
  border: 1px solid var(--hairline);
  border-top: 3px solid var(--amarelo);
  padding: clamp(1.4rem, 3vw, 2.4rem);
  backdrop-filter: blur(6px);
  align-self: start;
}
.form__label { color: var(--dourado); margin-bottom: 1.4rem; }
.form__field { margin-bottom: 1.05rem; }
.form__field label {
  display: block;
  font-size: 0.66rem;
  color: var(--aco);
  margin-bottom: 0.4rem;
}
.form__field input, .form__field textarea {
  width: 100%;
  background: var(--carbono);
  border: 1px solid var(--hairline);
  color: var(--branco);
  font-family: var(--font-body);
  font-size: 1rem; /* 16px: sem zoom do iOS */
  padding: 0.85rem 1rem;
  transition: border-color 0.25s;
  resize: vertical;
}
.form__field input:focus, .form__field textarea:focus { outline: none; border-color: var(--amarelo); }
.form__field input::placeholder, .form__field textarea::placeholder { color: rgba(157,161,166,0.45); }
.btn--submit { width: 100%; margin-top: 0.3rem; }
.form__hint { color: var(--aco); font-size: 0.62rem; margin-top: 0.9rem; text-transform: none; letter-spacing: 0.05em; }

/* ============ FOOTER ============ */
.footer {
  background: var(--carbono);
  border-top: 1px solid var(--hairline);
  padding: clamp(2.6rem, 6vh, 4.5rem) var(--pad-x) 1.8rem;
}
.footer__top {
  display: grid;
  gap: 1.8rem;
  padding-bottom: 2.2rem;
  border-bottom: 1px solid var(--hairline);
}
.footer__logo { width: clamp(150px, 16vw, 210px); height: auto; }
.footer__nav {
  display: flex; flex-wrap: wrap;
  gap: 0.9rem 1.6rem;
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 0.92rem;
}
.footer__nav a:hover { color: var(--amarelo); }
.footer__contact { display: grid; gap: 0.45rem; color: var(--aco); font-size: 0.72rem; }
.footer__contact a:hover { color: var(--amarelo); }
.footer__bottom {
  display: flex; flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.7rem 2rem;
  padding-top: 1.4rem;
  color: var(--aco);
  font-size: 0.64rem;
}

/* ============================================================
   DESKTOP (min-width: 768px)
   ============================================================ */
@media (min-width: 768px) {
  .hero__content { padding-bottom: 7rem; }
  .hero__kicker { flex-direction: row; align-items: center; gap: 0.9rem; font-size: 0.75rem; }
  .hero__kicker-loc { position: relative; padding-left: 1.1rem; }
  .hero__kicker-loc::before { content: "·"; position: absolute; left: 0; color: var(--aco); }
  .hero__brand { font-size: min(21vw, 19rem); }
  .hero__cta { flex-direction: row; gap: 1rem; }
  .btn { width: auto; }

  .quem__grid { grid-template-columns: minmax(340px, 480px) 1fr; gap: clamp(2.5rem, 6vw, 6rem); align-items: center; }
  .quem__fig { aspect-ratio: auto; height: min(72vh, 620px); }

  .fazemos__content {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    max-width: 46rem;
    padding-bottom: 3rem;
  }
  .fazemos__title { font-size: clamp(2rem, 3.6vw, 3.4rem); margin-bottom: 2rem; }
  .fazemos__shade {
    background:
      linear-gradient(90deg, rgba(11,11,13,0.8) 0%, rgba(11,11,13,0.35) 48%, rgba(11,11,13,0.12) 100%),
      linear-gradient(180deg, rgba(11,11,13,0.4) 0%, rgba(11,11,13,0.15) 45%, rgba(11,11,13,0.72) 100%);
  }
  .fazemos__list { max-width: 34rem; }
  .fsrv { padding: 0.9rem 0; }

  .montagem__pin { padding-top: 5.5rem; justify-content: center; }
  .montagem__head { text-align: left; margin-bottom: 1.6rem; }
  .montagem__title { font-size: clamp(2rem, 3.8vw, 3.6rem); }
  .montagem__stage { width: min(78vw, 940px, 72svh); }
  .montagem__note { font-size: 1rem; }

  .stats { grid-template-columns: repeat(4, 1fr); gap: 2rem; }
  .stats__label { font-size: 0.68rem; }

  .confia__grid { grid-template-columns: 1.25fr 1fr; gap: clamp(3rem, 7vw, 7rem); align-items: start; }
  .confia__fig { justify-self: end; }

  .contato__inner { grid-template-columns: 1fr minmax(340px, 500px); gap: clamp(3rem, 6vw, 6rem); }
  .contato__links { flex-direction: row; }

  .footer__top { grid-template-columns: auto 1fr auto; align-items: start; gap: 3rem; }
  .footer__nav { justify-content: center; font-size: 1rem; }
  .footer__contact { text-align: right; }
}

/* ============ ACESSIBILIDADE ============ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}