/* =========================================================
   [NOME DO ESCRITÓRIO] — modelo-02-clean-fotografico
   Clean fotográfico: branco, sans-serif única, navegação
   em overlay full-screen, fotografia em destaque.
   ========================================================= */

:root {
  --paper: #ffffff;
  --paper-soft: #f7f7f5;
  --ink: #1a1a1a;
  --ink-soft: #6e6e68;
  --accent: #2f3b4c;
  --whatsapp: #25d366;
  --border: #e7e6e2;
  --maxw: 1360px;
  --gutter: clamp(1.5rem, 4vw, 4rem);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Work Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; }

section {
  scroll-margin-top: 90px;
}

.eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 500;
  margin: 0 0 1rem;
}

.eyebrow--center { text-align: center; }

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 500;
  padding: 1.6rem 0;
  transition: padding 0.35s ease, background 0.35s ease, box-shadow 0.35s ease;
}

.header__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--paper);
  mix-blend-mode: difference;
}

.header.is-scrolled {
  padding: 1rem 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 var(--border);
}

.header.is-scrolled .logo {
  color: var(--ink);
  mix-blend-mode: normal;
}

.header.nav-open .logo {
  color: var(--ink);
  mix-blend-mode: normal;
}

.menu-toggle {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  background: none;
  border: none;
  padding: 0.4rem 0;
  color: var(--paper);
  mix-blend-mode: difference;
}

.header.is-scrolled .menu-toggle,
.header.nav-open .menu-toggle {
  color: var(--ink);
  mix-blend-mode: normal;
}

.menu-toggle span:not(.menu-toggle__label) {
  display: block;
  width: 26px;
  height: 2px;
  background: currentColor;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.menu-toggle span:nth-child(1) { margin-bottom: 6px; }

.menu-toggle__label {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
}

.header.nav-open .menu-toggle span:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}
.header.nav-open .menu-toggle span:nth-child(2) {
  transform: translateY(-4px) rotate(-45deg);
}

/* ---------- Nav overlay ---------- */
.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 400;
  background: var(--paper);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-16px);
  transition: opacity 0.5s ease, transform 0.5s ease, visibility 0.5s;
}

.nav-overlay.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-overlay__nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.4rem;
}

.nav-overlay__nav a {
  font-size: clamp(2rem, 6vw, 3.4rem);
  font-weight: 300;
  letter-spacing: -0.01em;
  color: var(--ink);
  position: relative;
  transition: color 0.3s ease;
}

.nav-overlay__nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -0.15em;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}

.nav-overlay__nav a:hover {
  color: var(--accent);
}
.nav-overlay__nav a:hover::after {
  transform: scaleX(1);
}

.nav-overlay__footer {
  display: flex;
  gap: 2rem;
  font-size: 0.85rem;
  color: var(--ink-soft);
  letter-spacing: 0.03em;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 560px;
  overflow: hidden;
  scroll-margin-top: 0;
}

.hero__img {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
}

.hero__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0) 42%, rgba(0,0,0,0.08) 100%);
}

.hero__content {
  position: absolute;
  left: var(--gutter);
  bottom: clamp(2.5rem, 8vh, 5rem);
  right: var(--gutter);
  max-width: 780px;
  color: #fff;
}

.hero__eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 500;
  margin: 0 0 1rem;
  opacity: 0.9;
}

.hero__content h1 {
  font-size: clamp(2rem, 5.2vw, 3.6rem);
  font-weight: 300;
  line-height: 1.2;
  margin: 0;
  letter-spacing: -0.01em;
}

.hero__whats {
  position: absolute;
  right: var(--gutter);
  bottom: clamp(2.5rem, 8vh, 5rem);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--whatsapp);
  color: #fff;
  padding: 0.9rem 1.5rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero__whats svg { width: 20px; height: 20px; }

.hero__whats:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 34px rgba(0,0,0,0.3);
}

.hero__scroll {
  position: absolute;
  top: 50%;
  right: var(--gutter);
  transform: translateY(-50%) rotate(90deg);
  transform-origin: right center;
  color: #fff;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  opacity: 0.85;
}

.hero__scroll span {
  display: block;
  width: 46px;
  height: 1px;
  background: currentColor;
}

.hero__scroll::before {
  content: 'Role';
}

@media (max-width: 720px) {
  .hero__scroll { display: none; }
  .hero__whats { display: none; }
}

/* ---------- Container helper ---------- */
.sobre,
.servico,
.projetos,
.contato {
  max-width: var(--maxw);
  margin: 0 auto;
}

/* ---------- Sobre ---------- */
.sobre {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
  padding: clamp(5rem, 12vh, 9rem) var(--gutter);
}

.sobre__img img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.sobre__texto h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 300;
  margin: 0 0 0.4rem;
  letter-spacing: -0.01em;
}

.sobre__cargo {
  color: var(--ink-soft);
  font-size: 0.95rem;
  margin: 0 0 1.8rem;
}

.sobre__texto p {
  color: var(--ink-soft);
  font-size: 1.02rem;
  max-width: 46em;
  margin: 0 0 1.2rem;
}

.link-line {
  display: inline-flex;
  color: var(--ink);
  font-weight: 500;
  font-size: 0.95rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--ink);
  margin-top: 0.6rem;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.link-line:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ---------- Serviços ---------- */
.servicos {
  padding: clamp(4rem, 10vh, 7rem) 0 2rem;
}

.servicos > .eyebrow--center {
  margin-bottom: 3rem;
}

.servico {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  padding: clamp(3rem, 8vh, 6rem) var(--gutter);
  min-height: 70vh;
}

.servico--inv .servico__texto {
  order: 2;
}
.servico--inv .servico__img {
  order: 1;
}

.servico__num {
  display: block;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 1.2rem;
}

.servico__texto h3 {
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  font-weight: 300;
  margin: 0 0 1.2rem;
  letter-spacing: -0.01em;
}

.servico__texto p {
  color: var(--ink-soft);
  font-size: 1.02rem;
  max-width: 34em;
  margin: 0 0 1rem;
}

.servico__img img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

@media (max-width: 980px) {
  .servico {
    grid-template-columns: 1fr;
    min-height: 0;
    gap: 2rem;
  }
  .servico--inv .servico__texto,
  .servico--inv .servico__img {
    order: initial;
  }
  .servico__img { order: -1; }
}

/* ---------- Projetos ---------- */
.projetos {
  padding: clamp(5rem, 12vh, 8rem) var(--gutter);
}

.projetos__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1.5rem;
}

.projetos__head h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 300;
  margin: 0;
  letter-spacing: -0.01em;
}

.projetos__lista {
  border-top: 1px solid var(--border);
}

.projeto {
  border-bottom: 1px solid var(--border);
}

.projeto a {
  display: grid;
  grid-template-columns: 90px 1fr auto auto;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.5rem);
  padding: 1.4rem 0;
  transition: opacity 0.3s ease;
}

.projeto__thumb {
  width: 90px;
  height: 68px;
  overflow: hidden;
  background: var(--paper-soft);
}

.projeto__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.projeto__nome {
  font-size: clamp(1.05rem, 2vw, 1.4rem);
  font-weight: 400;
}

.projeto__local {
  color: var(--ink-soft);
  font-size: 0.9rem;
  white-space: nowrap;
}

.projeto__link {
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  white-space: nowrap;
  text-align: right;
}

.projeto a:hover .projeto__link {
  opacity: 1;
  transform: translateX(0);
}

.projeto a:hover .projeto__thumb img {
  transform: scale(1.08);
}

@media (max-width: 720px) {
  .projeto a {
    grid-template-columns: 64px 1fr;
    grid-template-areas:
      "thumb nome"
      "thumb local"
      "thumb link";
    row-gap: 0.25rem;
  }
  .projeto__thumb { grid-area: thumb; width: 64px; height: 50px; }
  .projeto__nome { grid-area: nome; }
  .projeto__local { grid-area: local; }
  .projeto__link {
    grid-area: link;
    opacity: 0.6;
    transform: none;
  }
}

/* ---------- Contato ---------- */
.contato {
  padding: clamp(5rem, 14vh, 9rem) var(--gutter);
  background: var(--paper-soft);
  border-top: 1px solid var(--border);
}

.contato__inner {
  max-width: var(--maxw);
  margin: 0 auto;
}

.contato h2 {
  font-size: clamp(2rem, 4.4vw, 3.2rem);
  font-weight: 300;
  max-width: 18em;
  margin: 0 0 3.5rem;
  letter-spacing: -0.01em;
}

.contato__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2.5rem, 6vw, 6rem);
}

.contato__info li {
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.contato__info li:first-child {
  padding-top: 0;
}

.contato__info strong {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 500;
}

.contato__info a,
.contato__info span {
  font-size: 1.15rem;
}

.contato__info a {
  transition: color 0.3s ease;
}
.contato__info a:hover {
  color: var(--accent);
}

.contato__form {
  display: flex;
  flex-direction: column;
  gap: 1.3rem;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-row label {
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 500;
}

.form-row input,
.form-row textarea {
  border: none;
  border-bottom: 1px solid var(--border);
  background: transparent;
  padding: 0.7rem 0.1rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--ink);
  transition: border-color 0.3s ease;
  resize: vertical;
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.btn-enviar {
  align-self: flex-start;
  margin-top: 0.8rem;
  background: var(--ink);
  color: var(--paper);
  border: none;
  padding: 1rem 2.2rem;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: background 0.3s ease, transform 0.3s ease;
}

.btn-enviar:hover {
  background: var(--accent);
  transform: translateY(-2px);
}

.form-success {
  display: none;
  color: var(--accent);
  font-size: 0.9rem;
  margin: 0;
}

.form-success.is-visible {
  display: block;
}

@media (max-width: 720px) {
  .contato__grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Footer ---------- */
.footer {
  padding: 2.6rem var(--gutter);
  border-top: 1px solid var(--border);
}

.footer__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo--footer {
  color: var(--ink);
  font-size: 1rem;
}

.footer__nav {
  display: flex;
  gap: 1.8rem;
  flex-wrap: wrap;
}

.footer__nav a {
  font-size: 0.9rem;
  color: var(--ink-soft);
  transition: color 0.3s ease;
}
.footer__nav a:hover {
  color: var(--ink);
}

.footer__copy {
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin: 0;
}

/* ---------- WhatsApp float ---------- */
.whatsapp-float {
  position: fixed;
  right: 1.6rem;
  bottom: 1.6rem;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--whatsapp);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0,0,0,0.22);
  z-index: 600;
  transition: transform 0.3s ease;
}

.whatsapp-float svg { width: 28px; height: 28px; }

.whatsapp-float:hover {
  transform: scale(1.08);
}

/* ---------- Responsive: tablet ---------- */
@media (max-width: 980px) {
  .sobre {
    grid-template-columns: 1fr;
  }
  .sobre__img img {
    aspect-ratio: 16 / 10;
  }
}

/* ---------- Responsive: mobile ---------- */
@media (max-width: 720px) {
  .header { padding: 1.2rem 0; }
  .hero__content { max-width: 100%; }
  .hero__whats { right: 1.2rem; bottom: 1.6rem; }
  .hero__content { left: 1.2rem; right: 1.2rem; bottom: 6.5rem; }
  section { scroll-margin-top: 72px; }
}