/* ═══════════════════════════════════════════════
   ESTÚDIO TATO — style.css
   ═══════════════════════════════════════════════ */

/* ── RESET & TOKENS ──────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --ink:    #111110;
  --paper:  #f5f2ee;
  --mid:    #888580;
  --border: #d8d4ce;
  --white:  #ffffff;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── GRAIN OVERLAY ───────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1000;
  opacity: .5;
}


/* ══════════════════════════════════════════════
   NAV
══════════════════════════════════════════════ */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 3rem;
  background: rgba(245, 242, 238, .88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: padding .4s;
}

nav.scrolled {
  padding: .9rem 3rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
  color: var(--ink);
}

.nav-logo svg {
  width: 28px;
  height: 28px;
}

.nav-brand {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--mid);
  font-size: .78rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  transition: color .25s;
}

.nav-links a:hover {
  color: var(--ink);
}


/* ══════════════════════════════════════════════
   HERO
══════════════════════════════════════════════ */
#hero {
  min-height: 85vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 6rem 2rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero-eyebrow {
  font-size: .72rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 1.8rem;
  opacity: 0;
  animation: fadeUp .8s .2s forwards;
}

.hero-logo {
  width: min(180px, 40vw);
  opacity: 0;
  animation: fadeUp .9s .4s forwards;
  margin-bottom: 2rem;
}

.hero-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2.2rem, 7vw, 5.5rem);
  font-weight: 300;
  line-height: 1;
  letter-spacing: .04em;
  opacity: 0;
  animation: fadeUp .9s .55s forwards;
}

.hero-title em {
  font-style: italic;
  font-weight: 300;
}

.hero-sub {
  margin-top: 1rem;
  font-size: clamp(.75rem, 1.4vw, .9rem);
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--mid);
  opacity: 0;
  animation: fadeUp .8s .75s forwards;
}

.hero-cta {
  margin-top: 2.5rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  opacity: 0;
  animation: fadeUp .8s .9s forwards;
}


/* ══════════════════════════════════════════════
   BUTTONS
══════════════════════════════════════════════ */
.btn {
  display: inline-block;
  padding: .75rem 2rem;
  font-family: 'DM Sans', sans-serif;
  font-size: .78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all .3s;
}

.btn-dark {
  background: var(--ink);
  color: var(--paper);
}

.btn-dark:hover {
  background: #333;
}

.btn-outline {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}

.btn-outline:hover {
  background: var(--ink);
  color: var(--paper);
}


/* ══════════════════════════════════════════════
   ABOUT STRIP
══════════════════════════════════════════════ */
#about {
  background: var(--ink);
  color: var(--paper);
  padding: 5rem 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-label {
  font-size: .7rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: rgba(245, 242, 238, .4);
  margin-bottom: 1.2rem;
}

.about-heading {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 300;
  line-height: 1.15;
}

.about-heading em {
  font-style: italic;
}

.about-body {
  font-size: .92rem;
  line-height: 1.85;
  color: rgba(245, 242, 238, .72);
  max-width: 42ch;
}

.about-body p + p {
  margin-top: 1rem;
}

/* material badges */
.material-badges {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.badge {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .5rem 1rem;
  border: 1px solid rgba(245, 242, 238, .2);
  font-size: .72rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: rgba(245, 242, 238, .6);
}

.badge svg {
  opacity: .6;
}


/* ══════════════════════════════════════════════
   SECTION DIVIDER
══════════════════════════════════════════════ */
.section-divider {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 4rem 3rem 2rem;
}

.section-divider::before,
.section-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.section-divider span {
  font-size: .7rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--mid);
  white-space: nowrap;
}


/* ══════════════════════════════════════════════
   PRODUCTS
══════════════════════════════════════════════ */
#produtos {
  padding: 0 3rem 6rem;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5px;
  border: 1px solid var(--border);
}

.product-card {
  background: var(--white);
  padding: 2.5rem;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s, transform .6s, box-shadow .3s;
}

.product-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.product-card:hover {
  box-shadow: 0 12px 40px rgba(17, 17, 16, .1);
  transform: translateY(-4px);
}

/* top accent bar */
.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s cubic-bezier(.22, .61, .36, 1);
}

.product-card:hover::before {
  transform: scaleX(1);
}

.card-icon {
  margin-bottom: 1.5rem;
  overflow: hidden;
  border-radius: 1rem;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 200px;
}

.card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  border-radius: 1rem;
  border: 1px solid var(--border);
}

.card-number {
  font-family: 'Cormorant Garamond', serif;
  font-size: .8rem;
  letter-spacing: .2em;
  color: var(--mid);
  margin-bottom: .6rem;
}

.card-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.6rem;
  font-weight: 500;
  line-height: 1.1;
  margin-bottom: .4rem;
}

.card-price {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: .8rem;
  letter-spacing: .02em;
}

.card-desc {
  font-size: .83rem;
  color: var(--mid);
  margin-bottom: 1.5rem;
  line-height: 1.65;
}

.card-specs {
  margin-bottom: 2rem;
  flex: 1;
}

.spec-row {
  display: flex;
  align-items: baseline;
  gap: .75rem;
  padding: .55rem 0;
  border-bottom: 1px solid var(--border);
  font-size: .78rem;
}

.spec-row:first-child {
  border-top: 1px solid var(--border);
}

.spec-key {
  min-width: 90px;
  color: var(--mid);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.spec-val {
  color: var(--ink);
}

.card-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  padding: .85rem 1.5rem;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  font-size: .75rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  transition: background .25s;
}

.card-cta:hover {
  background: #2a2a28;
}

.card-cta svg {
  flex-shrink: 0;
}


/* ══════════════════════════════════════════════
   CRAFT / PROCESS
══════════════════════════════════════════════ */
#craft {
  background: var(--ink);
  color: var(--paper);
  padding: 6rem 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.craft-visual {
  display: flex;
  justify-content: center;
}

.craft-text .about-label {
  color: rgba(245, 242, 238, .4);
}

.craft-text .about-heading {
  margin-bottom: 1.5rem;
}

.craft-text .about-body {
  margin-bottom: 2rem;
}

.step-list {
  list-style: none;
}

.step-item {
  display: flex;
  gap: 1.2rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid rgba(245, 242, 238, .1);
}

.step-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.4rem;
  color: rgba(245, 242, 238, .25);
  line-height: 1;
  min-width: 2rem;
}

.step-content {
  font-size: .83rem;
  color: rgba(245, 242, 238, .65);
  line-height: 1.7;
}

.step-content strong {
  color: var(--paper);
  font-weight: 500;
  display: block;
  margin-bottom: .2rem;
}


/* ══════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════ */
footer {
  padding: 3rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-brand {
  font-family: 'Cormorant Garamond', serif;
  font-size: .9rem;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.footer-copy {
  font-size: .72rem;
  color: var(--mid);
  letter-spacing: .08em;
}

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-links a {
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mid);
  text-decoration: none;
  transition: color .25s;
}

.footer-links a:hover {
  color: var(--ink);
}


/* ══════════════════════════════════════════════
   FLOATING WHATSAPP BUTTON
══════════════════════════════════════════════ */
.fab-whatsapp {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 56px;
  height: 56px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  z-index: 800;
  box-shadow: 0 4px 20px rgba(17, 17, 16, .25);
  transition: transform .3s, box-shadow .3s;
}

.fab-whatsapp:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(17, 17, 16, .35);
}

.fab-tooltip {
  position: absolute;
  right: 68px;
  white-space: nowrap;
  background: var(--ink);
  color: var(--paper);
  padding: .4rem .9rem;
  font-size: .72rem;
  letter-spacing: .1em;
  pointer-events: none;
  opacity: 0;
  transform: translateX(8px);
  transition: opacity .25s, transform .25s;
}

.fab-whatsapp:hover .fab-tooltip {
  opacity: 1;
  transform: translateX(0);
}


/* ══════════════════════════════════════════════
   ANIMATIONS
══════════════════════════════════════════════ */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}


/* ══════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════ */
@media (max-width: 768px) {
  #about {
    grid-template-columns: 1fr;
    padding: 4rem 1.5rem;
    gap: 2rem;
  }

  #craft {
    grid-template-columns: 1fr;
    padding: 4rem 1.5rem;
    gap: 3rem;
  }

  #produtos {
    padding: 0 1.5rem 4rem;
  }

  .section-divider {
    padding: 3rem 1.5rem 1.5rem;
  }

  footer {
    padding: 2rem 1.5rem;
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  nav {
    padding: 1rem 1.5rem;
  }

  .nav-links {
    display: none;
  }

  #hero {
    min-height: 75vh;
    padding: 4rem 1.5rem 3rem;
  }

  .hero-eyebrow {
    margin-bottom: 1.5rem;
  }

  .hero-logo {
    width: min(140px, 35vw);
    margin-bottom: 1.5rem;
  }

  .hero-title {
    font-size: clamp(1.8rem, 5vw, 3.5rem);
  }

  .hero-sub {
    margin-top: .8rem;
    font-size: .75rem;
  }

  .hero-cta {
    margin-top: 2rem;
    gap: .75rem;
  }

  .btn {
    padding: .65rem 1.5rem;
    font-size: .7rem;
  }
}