/* ============================================
   TOKENS
   ============================================ */
:root {
  --bone:        #dbe7d9;   /* fundo principal — linho cru */
  --bone-deep:   #cadcc8;   /* superfície secundária */
  --ink:         #211E1A;   /* texto principal */
  --ink-soft:    #4a564a;   /* texto secundário */
  --brass:       #085e00;   /* acento — linha de costura dourada */
  --brass-deep:  #00852c;
  --line:        #a9c7ad;   /* divisores */
  --card:        #e5f3e3;   /* cartões sobre o fundo */
  --shadow:      0 20px 60px -30px rgba(33, 30, 26, 0.35);

  --font-display: 'Fraunces', serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;

  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bone);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 500; margin: 0; letter-spacing: -0.01em; }
p { margin: 0; }
button { font-family: inherit; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--brass-deep);
  outline-offset: 3px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass-deep);
  margin: 0 0 0.9rem;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.7rem;
  border-radius: 2px;
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid transparent;
  transition: transform 0.35s cubic-bezier(.2,.8,.2,1), background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
.btn-primary {
  background: var(--ink);
  color: var(--bone);
}
.btn-primary:hover { background: var(--brass-deep); transform: translateY(-2px); }

.btn-outline {
  border-color: var(--ink);
  color: var(--ink);
}
.btn-outline:hover { border-color: var(--brass-deep); color: var(--brass-deep); transform: translateY(-2px); }

.btn-ghost {
  border-color: var(--line);
  color: var(--ink);
  padding: 0.6rem 1.3rem;
  font-size: 0.88rem;
}
.btn-ghost:hover { border-color: var(--ink); }

.btn-full { width: 100%; }

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem clamp(1.2rem, 5vw, 3.5rem);
  background: rgba(231, 226, 217, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
}

.brand-mark {
  display: inline-flex;
  gap: 2px;
  height: 20px;
}
.brand-mark span {
  width: 3px;
  background: var(--brass);
  transform-origin: bottom;
}
.brand-mark span:nth-child(1) { height: 10px; }
.brand-mark span:nth-child(2) { height: 20px; }
.brand-mark span:nth-child(3) { height: 14px; }
.brand-mark span:nth-child(4) { height: 18px; }

.main-nav {
  display: flex;
  gap: 2.2rem;
  font-size: 0.92rem;
}
.main-nav a { position: relative; padding-bottom: 4px; }
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--brass-deep);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}
.main-nav a:hover::after { transform: scaleX(1); transform-origin: left; }

.nav-cta { display: inline-flex; }

@media (max-width: 800px) {
  .main-nav { display: none; }
}

/* ============================================
   HERO + PLEAT FAN SIGNATURE
   ============================================ */
.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
  padding: clamp(3rem, 8vw, 6rem) clamp(1.2rem, 5vw, 3.5rem) clamp(2rem, 6vw, 4rem);
  max-width: var(--container);
  margin: 0 auto;
}

.hero-copy h1 {
  font-size: clamp(2.6rem, 5.4vw, 4.4rem);
  line-height: 1.03;
}
.hero-copy h1 em {
  font-style: italic;
  color: var(--brass-deep);
}

.hero-lede {
  margin-top: 1.6rem;
  max-width: 46ch;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2.2rem;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: clamp(1.5rem, 4vw, 2.6rem);
  margin-top: 2.8rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
}
.hero-stats li {
  display: flex;
  flex-direction: column;
  font-size: 0.82rem;
  color: var(--ink-soft);
}
.hero-stats span {
  font-family: var(--font-display);
  font-size: 1.7rem;
  color: var(--ink);
}

/* the fold / fan signature element */
.hero-fold {
  position: relative;
  height: clamp(340px, 42vw, 520px);
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1400px;
}

.fold-fan {
  --n: 11;
  display: flex;
  height: 82%;
  width: 100%;
  max-width: 420px;
}

.fold-fan .pleat {
  flex: 1;
  height: 100%;
  transform-origin: bottom center;
  background: linear-gradient(
    100deg,
    color-mix(in srgb, var(--brass) calc(14% + (var(--i) * 1%)), var(--card)) 0%,
    var(--card) 45%,
    color-mix(in srgb, var(--ink) calc(6% + (var(--i) * 0.6%)), var(--card)) 100%
  );
  border-left: 1px solid rgba(33, 30, 26, 0.08);
  box-shadow: inset 6px 0 14px -10px rgba(33,30,26,0.35);
  opacity: 0;
  transform: rotateY(70deg) translateZ(0);
  animation: unfold 1.1s cubic-bezier(.2,.9,.25,1) forwards;
  animation-delay: calc(var(--i) * 70ms);
}

@keyframes unfold {
  to {
    opacity: 1;
    transform: rotateY(calc(-6deg + (var(--i) * 1.4deg)));
  }
}

.hero-fold:hover .fold-fan .pleat {
  transition: transform 0.6s cubic-bezier(.2,.9,.25,1);
  transform: rotateY(calc(-10deg + (var(--i) * 2.1deg)));
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero-fold { order: -1; height: 280px; }
}

/* ============================================
   MARQUEE
   ============================================ */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--ink);
  padding: 0.9rem 0;
}
.marquee-track {
  display: flex;
  gap: 1.2rem;
  white-space: nowrap;
  width: max-content;
  animation: scroll-marquee 32s linear infinite;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--bone);
  text-transform: uppercase;
}
.marquee-track span:nth-child(2n) { color: var(--brass); }
@keyframes scroll-marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============================================
   SOBRE
   ============================================ */
.sobre {
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(3.5rem, 8vw, 6.5rem) clamp(1.2rem, 5vw, 3.5rem);
}

.sobre-head h2 {
  font-size: clamp(2rem, 4vw, 2.9rem);
  margin-bottom: 2.6rem;
  max-width: 20ch;
}

.sobre-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 5vw, 4rem);
}

.sobre-text {
  color: var(--ink-soft);
  font-size: 1.05rem;
  max-width: 42ch;
}

.process { display: flex; flex-direction: column; gap: 1.6rem; }
.process-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.3rem;
  padding-bottom: 1.6rem;
  border-bottom: 1px solid var(--line);
}
.process-step:last-child { border-bottom: none; padding-bottom: 0; }
.step-index {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--brass-deep);
  padding-top: 0.2rem;
}
.process-step h3 { font-size: 1.15rem; margin-bottom: 0.35rem; }
.process-step p { color: var(--ink-soft); font-size: 0.95rem; max-width: 46ch; }

@media (max-width: 800px) {
  .sobre-grid { grid-template-columns: 1fr; }
}

.sobre-materials {
  margin-top: 3.5rem;
  padding-top: 2.2rem;
  border-top: 1px solid var(--line);
}
.materials-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 0.9rem;
}
.materials-list span {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 100px;
  color: var(--ink-soft);
}

/* ============================================
   GALERIA
   ============================================ */
.galeria {
  background: var(--bone-deep);
  padding: clamp(3.5rem, 8vw, 6.5rem) clamp(1.2rem, 5vw, 3.5rem);
}
.galeria-head {
  max-width: var(--container);
  margin: 0 auto 3rem;
}
.galeria-head h2 {
  font-size: clamp(2rem, 4vw, 2.9rem);
  margin-bottom: 1rem;
}
.galeria-lede {
  max-width: 52ch;
  color: var(--ink-soft);
  font-size: 1.02rem;
}

.pleat-grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.6rem;
}
@media (max-width: 980px) { .pleat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .pleat-grid { grid-template-columns: 1fr; } }

.pleat-card {
  background: var(--card);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(.2,.8,.2,1), box-shadow 0.4s ease;
}
.pleat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.pleat-card-media {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  /* placeholder de pregas em CSS — some assim que a imagem real carregar */
  background:
    repeating-linear-gradient(
      100deg,
      color-mix(in srgb, var(--brass) 22%, var(--card)) 0px,
      color-mix(in srgb, var(--brass) 22%, var(--card)) 14px,
      var(--card) 14px,
      var(--card) 34px,
      color-mix(in srgb, var(--ink) 8%, var(--card)) 34px,
      color-mix(in srgb, var(--ink) 8%, var(--card)) 36px
    );
}
.pleat-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.pleat-card:hover .pleat-card-media img { transform: scale(1.04); }

.pleat-card-media img.img-missing { display: none; }

.pleat-card-body {
  padding: 1.4rem 1.5rem 1.7rem;
}
.pleat-card-index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--brass-deep);
}
.pleat-card-body h3 { font-size: 1.25rem; margin: 0.4rem 0 0.6rem; }
.pleat-card-body p { color: var(--ink-soft); font-size: 0.92rem; }

/* ============================================
   CONTATO
   ============================================ */
.contato {
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(3.5rem, 8vw, 6.5rem) clamp(1.2rem, 5vw, 3.5rem);
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 5vw, 4rem);
}
.contato-head h2 {
  font-size: clamp(2rem, 4vw, 2.9rem);
  margin-bottom: 1.1rem;
}
.contato-lede {
  color: var(--ink-soft);
  max-width: 40ch;
  font-size: 1.02rem;
}

.contato-info {
  margin-top: 2.4rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.contato-info > div {
  display: flex;
  justify-content: space-between;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--line);
  gap: 1rem;
  flex-wrap: wrap;
}
.info-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}
.contato-info a:hover { color: var(--brass-deep); }

.contato-form {
  background: var(--card);
  border: 1px solid var(--line);
  padding: clamp(1.6rem, 3vw, 2.4rem);
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.field { display: flex; flex-direction: column; gap: 0.5rem; }
.field label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}
.field input, .field select, .field textarea {
  font-family: var(--font-body);
  font-size: 0.98rem;
  padding: 0.8rem 0.9rem;
  background: var(--bone);
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--ink);
  resize: vertical;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--brass-deep);
}
.form-note {
  font-size: 0.82rem;
  color: var(--ink-soft);
  text-align: center;
}

@media (max-width: 900px) {
  .contato { grid-template-columns: 1fr; }
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  max-width: var(--container);
  margin: 0 auto;
  padding: 2.2rem clamp(1.2rem, 5vw, 3.5rem) 3rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
}
.site-footer a:hover { color: var(--brass-deep); }

/* ============================================
   WHATSAPP FLOAT
   ============================================ */
.whatsapp-float {
  position: fixed;
  bottom: 1.6rem;
  right: 1.6rem;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--bone);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  z-index: 60;
  transition: transform 0.3s ease, background 0.3s ease;
}
.whatsapp-float:hover {
  background: var(--brass-deep);
  transform: translateY(-3px) scale(1.05);
}

/* subtle ambient glow that follows the cursor on the hero only */
.pleat-cursor-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  background: radial-gradient(400px circle at var(--x, 50%) var(--y, 50%), color-mix(in srgb, var(--brass) 10%, transparent), transparent 70%);
  transition: opacity 0.4s ease;
}