/* ===========================
   OAKFLOW — CSS Premium
   =========================== */

:root {
  --black: #0A0A0A;
  --graphite: #141414;
  --graphite-light: #1C1C1C;
  --off-white: #F3F0EA;
  --gold: #C6B27A;
  --gold-light: #D4C28E;
  --gold-dim: rgba(198, 178, 122, 0.15);
  --gold-border: rgba(198, 178, 122, 0.25);
  --beige: #D8D2C8;
  --brown: #2A2118;
  --text-muted: rgba(243, 240, 234, 0.45);
  --text-body: rgba(243, 240, 234, 0.75);
  --radius: 2px;
  --transition: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--black);
  color: var(--off-white);
  font-family: 'Jost', sans-serif;
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ── TYPOGRAPHY ── */
h1, h2, h3, h4 { font-family: 'Cormorant Garamond', serif; font-weight: 400; }
em { font-style: italic; color: var(--gold); }

.section-label {
  font-family: 'Jost', sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 400;
  margin-bottom: 1.5rem;
  display: block;
}

.section-title {
  font-size: clamp(2.2rem, 4vw, 3.8rem);
  line-height: 1.1;
  color: var(--off-white);
  font-weight: 300;
}

/* ── BUTTONS ── */
.btn-primary {
  display: inline-block;
  padding: 0.95rem 2.8rem;
  border: 1px solid var(--gold);
  color: var(--gold);
  text-decoration: none;
  font-family: 'Jost', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 400;
  background: transparent;
  transition: letter-spacing 0.3s, opacity 0.3s;
}
.btn-primary:hover {
  letter-spacing: 0.25em;
  opacity: 0.85;
}
.btn-primary:active { opacity: 0.65; }

/* Botão secundário — hero */
.btn-secondary {
  display: inline-block;
  padding: 0.95rem 2.8rem;
  border: 1px solid rgba(198, 178, 122, 0.3);
  color: var(--text-muted);
  text-decoration: none;
  font-family: 'Jost', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 400;
  background: transparent;
  transition: color 0.3s, border-color 0.3s;
}
.btn-secondary:hover {
  color: var(--gold);
  border-color: rgba(198, 178, 122, 0.6);
}
.btn-secondary:active { opacity: 0.65; }

.btn-large { padding: 1.2rem 3.5rem; font-size: 0.8rem; }

/* ── HEADER ── */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: all 0.5s var(--transition);
}
#header.scrolled {
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(20px);
  padding: 1rem 0;
  border-bottom: 1px solid var(--gold-border);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-link { text-decoration: none; }
.logo-wrap {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}
.logo-symbol {
  width: 44px;
  height: 44px;
  animation: rotateSlow 25s linear infinite;
}
@keyframes rotateSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.logo-text {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: 0.35em;
  color: var(--off-white);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 3rem;
  list-style: none;
}
.nav-link {
  color: var(--text-body);
  text-decoration: none;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 400;
  transition: color 0.3s;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width 0.3s var(--transition);
}
.nav-link:hover { color: var(--gold); }
.nav-link:hover::after { width: 100%; }

.nav-cta {
  padding: 0.55rem 1.6rem;
  border: 1px solid var(--gold-border);
  color: var(--gold);
  text-decoration: none;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 400;
  transition: all 0.3s;
}
.nav-cta:hover { background: var(--gold); color: var(--black); }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--off-white);
  transition: all 0.3s;
}
.menu-toggle.open span:first-child { transform: translateY(6px) rotate(45deg); }
.menu-toggle.open span:last-child { transform: translateY(-6px) rotate(-45deg); }

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--black);
}

.hero-bg-element {
  position: absolute;
  right: -5%;
  top: 50%;
  transform: translateY(-50%);
  width: 65vw;
  max-width: 800px;
  opacity: 0.55;
  pointer-events: none;
  animation: floatMandala 12s ease-in-out infinite;
}
@keyframes floatMandala {
  0%, 100% { transform: translateY(-50%) scale(1); }
  50% { transform: translateY(-52%) scale(1.02); }
}
.hero-mandala { width: 100%; height: auto; animation: rotateSlow 60s linear infinite; }

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1400px;
  margin: 0 auto;
  padding: 8rem 3rem 4rem;
  width: 100%;
}

.hero-eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 400;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.3s var(--transition) forwards;
}

.hero-headline {
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: 300;
  line-height: 1.0;
  letter-spacing: -0.01em;
  margin-bottom: 2rem;
  max-width: 800px;
}
.hero-headline .line {
  display: block;
  opacity: 0;
  animation: fadeUp 0.9s var(--transition) forwards;
}
.hero-headline .line:nth-child(1) { animation-delay: 0.5s; }
.hero-headline .line:nth-child(2) { animation-delay: 0.7s; }
.hero-headline .line:nth-child(3) { animation-delay: 0.9s; }
.italic-line { font-style: italic; color: var(--gold); }

.hero-sub {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(1.1rem, 1.8vw, 1.5rem);
  color: var(--text-body);
  margin-bottom: 0.75rem;
  font-weight: 300;
  font-style: italic;
  opacity: 0;
  animation: fadeUp 0.8s 1.1s var(--transition) forwards;
}

.hero-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 3rem;
  opacity: 0;
  animation: fadeUp 0.8s 1.3s var(--transition) forwards;
}

.hero-btns {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s 1.5s var(--transition) forwards;
}

/* desktop-only: oculto em mobile via media query abaixo */
.desktop-only { display: flex; }

.hero-scroll-hint {
  position: absolute;
  bottom: 3rem;
  left: 3rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  opacity: 0;
  animation: fadeIn 1s 2s forwards;
}
.hero-scroll-hint span {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}
.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ── SOBRE ── */
#sobre {
  padding: 10rem 3rem;
  background: var(--graphite);
  position: relative;
}
#sobre::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-border), transparent);
}

.sobre-container {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 8rem;
  align-items: start;
}

.sobre-left {
  position: sticky;
  top: 8rem;
}

.sobre-ornament {
  margin-top: 3rem;
  width: 140px;
  opacity: 0.7;
  animation: rotateSlow 30s linear infinite;
}

.sobre-text {
  font-size: 1rem;
  color: var(--text-body);
  line-height: 1.85;
  margin-bottom: 1.8rem;
}
.sobre-text--highlight {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.25rem;
  color: var(--off-white);
  font-style: italic;
  border-left: 1px solid var(--gold);
  padding-left: 1.5rem;
  margin-top: 2rem;
}

.sobre-stats {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid var(--gold-border);
}
.stat { text-align: left; }
.stat-num {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.5rem;
  color: var(--gold);
  font-weight: 300;
  line-height: 1;
}
.stat-label {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 0.4rem;
  display: block;
}
.stat-divider {
  width: 1px;
  height: 50px;
  background: var(--gold-border);
}

/* ── SERVIÇOS ── */
#servicos {
  padding: 10rem 3rem;
  background: var(--black);
  position: relative;
}

.section-header {
  max-width: 1400px;
  margin: 0 auto 5rem;
}

/* Card Flip */
.servicos-grid {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5px;
}

.card-flip {
  perspective: 1200px;
  height: 280px;
  cursor: pointer;
}

.card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.7s var(--transition);
}

/* Desktop only: hover flips the card */
@media (hover: hover) {
  .card-flip:hover .card-inner { transform: rotateY(180deg); }
  .card-flip:hover .card-front { background: var(--graphite-light); }
  .card-flip:hover .card-icon { opacity: 0.8; }
}

/* Touch devices: .flipped class drives the flip */
.card-flip.flipped .card-inner { transform: rotateY(180deg); }

.card-front, .card-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--gold-border);
}

.card-front {
  background: var(--graphite);
  transition: background 0.3s;
  cursor: pointer;
}
.card-flip:hover .card-front { background: var(--graphite-light); }

.card-back {
  background: linear-gradient(135deg, var(--graphite-light), var(--brown));
  transform: rotateY(180deg);
  justify-content: center;
  gap: 1.2rem;
  border-color: var(--gold);
  cursor: pointer;
}


.card-num {
  font-family: 'Jost', sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  font-weight: 300;
}

.card-title {
  font-size: 1.35rem;
  font-weight: 300;
  line-height: 1.25;
  color: var(--off-white);
  flex-grow: 1;
  display: flex;
  align-items: flex-end;
}

.card-icon {
  font-size: 1.8rem;
  color: var(--gold);
  opacity: 0.4;
  align-self: flex-end;
  transition: opacity 0.3s;
}
.card-flip:hover .card-icon { opacity: 0.8; }

.card-back-title {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  font-family: 'Jost', sans-serif;
  font-weight: 400;
}
.card-back p {
  font-size: 0.88rem;
  color: var(--text-body);
  line-height: 1.75;
}

/* ── PORTFÓLIO ── */
#portfolio {
  padding: 10rem 3rem;
  background: var(--graphite);
  position: relative;
}
#portfolio::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-border), transparent);
}

.portfolio-filters {
  max-width: 1400px;
  margin: 0 auto 4rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.filter-btn {
  background: none;
  border: 1px solid var(--gold-border);
  color: var(--text-muted);
  padding: 0.5rem 1.4rem;
  font-family: 'Jost', sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s;
  font-weight: 400;
}
.filter-btn:hover, .filter-btn.active {
  border-color: var(--gold);
  color: var(--gold);
  background: var(--gold-dim);
}

.portfolio-grid {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
}

.portfolio-card {
  cursor: pointer;
  transition: opacity 0.4s, transform 0.4s;
}
.portfolio-card.hidden { opacity: 0; pointer-events: none; transform: scale(0.95); }

.port-card-inner {
  background: var(--graphite-light);
  border: 1px solid var(--gold-border);
  overflow: hidden;
  transition: border-color 0.3s;
}
.portfolio-card:hover .port-card-inner { border-color: var(--gold); }

.port-thumb {
  height: 240px;
  position: relative;
  overflow: hidden;
}
.port-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--graphite);
}
.port-placeholder svg { width: 90px; height: 90px; animation: rotateSlow 20s linear infinite; }
.port-placeholder--2 { background: linear-gradient(135deg, #0f0f0f, #1a1810); }
.port-placeholder--3 { background: linear-gradient(135deg, #100e0a, #1c1a14); }
.port-placeholder--4 { background: linear-gradient(135deg, #0a0d10, #111820); }
.port-placeholder--5 { background: linear-gradient(135deg, #0d0a0d, #181020); }
.port-placeholder--6 { background: linear-gradient(135deg, #0a0f0a, #101a10); }

.pp-lines { display: flex; gap: 8px; height: 60px; align-items: flex-end; }
.pp-lines div { width: 3px; background: var(--gold); opacity: 0.4; }
.pp-lines div:nth-child(1) { height: 100%; }
.pp-lines div:nth-child(2) { height: 70%; }
.pp-lines div:nth-child(3) { height: 85%; }
.pp-rect { width: 80px; height: 110px; border: 1px solid var(--gold); opacity: 0.35; }
.pp-screen { display: flex; flex-direction: column; gap: 8px; width: 100px; }
.pp-bar { height: 8px; background: var(--gold); opacity: 0.3; border-radius: 2px; }
.pp-bar.short { width: 60%; }
.pp-play { font-size: 2.5rem; color: var(--gold); opacity: 0.4; }
.pp-diamond { font-size: 3rem; color: var(--gold); opacity: 0.3; }

.port-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.4s;
}
.port-overlay span {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 0.6rem 1.5rem;
}
.portfolio-card:hover .port-overlay { opacity: 1; }

.port-info {
  padding: 1.5rem;
  border-top: 1px solid var(--gold-border);
}
.port-tag {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 400;
}
.port-name {
  font-size: 0.9rem;
  color: var(--off-white);
  margin-top: 0.35rem;
  font-family: 'Jost', sans-serif;
  font-weight: 300;
}

/* Ver mais link on portfolio card */
.port-ver-mais {
  display: inline-block;
  margin-top: 0.85rem;
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  text-decoration: none;
  font-family: 'Jost', sans-serif;
  font-weight: 400;
  opacity: 0.7;
  transition: opacity 0.3s, letter-spacing 0.3s;
}
.port-ver-mais:hover { opacity: 1; letter-spacing: 0.25em; }

/* ── MODAL ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 5, 5, 0.95);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s;
  padding: 2rem;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal-box {
  background: var(--graphite);
  border: 1px solid var(--gold-border);
  max-width: 700px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(30px);
  transition: transform 0.4s var(--transition);
}
.modal-overlay.open .modal-box { transform: translateY(0); }

.modal-close {
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  background: none;
  border: 1px solid var(--gold-border);
  color: var(--gold);
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.3s;
  z-index: 10;
}
.modal-close:hover { background: var(--gold); color: var(--black); }

.modal-content { padding: 3.5rem; }
.modal-tag {
  font-size: 0.62rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
}
.modal-title {
  font-size: 2rem;
  font-weight: 300;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--gold-border);
  padding-bottom: 1.5rem;
}
.modal-desc {
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 2rem;
  font-size: 0.9rem;
}
.modal-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 2.5rem;
}
.modal-thumb {
  aspect-ratio: 4/3;
  background: var(--graphite-light);
  border: 1px solid var(--gold-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* ── CTA ── */
#contato {
  padding: 12rem 3rem;
  background: var(--black);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-bg-element {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 70vw;
  max-width: 700px;
  opacity: 0.18;
  pointer-events: none;
  animation: rotateSlow 80s linear infinite;
}

.cta-container { position: relative; z-index: 2; max-width: 900px; margin: 0 auto; }
.cta-headline {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 300;
  line-height: 1.1;
  margin-bottom: 3.5rem;
}

.contact-links {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 4rem;
  flex-wrap: wrap;
}
.contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  transition: color 0.3s;
}
.contact-item:hover { color: var(--gold); }
.contact-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-icon svg { width: 18px; height: 18px; fill: currentColor; }

/* ── FOOTER ── */
#footer {
  background: var(--graphite);
  border-top: 1px solid var(--gold-border);
  padding: 5rem 3rem 3rem;
  text-align: center;
}
.footer-container { max-width: 600px; margin: 0 auto; }
.footer-logo { display: flex; align-items: center; justify-content: center; gap: 1rem; margin-bottom: 1rem; }
.footer-symbol { width: 40px; height: 40px; animation: rotateSlow 25s linear infinite; }
.footer-wordmark {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.3rem;
  letter-spacing: 0.35em;
  color: var(--off-white);
}
.footer-tagline {
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 2.5rem;
  font-style: italic;
  font-family: 'Cormorant Garamond', serif;
}
.footer-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}
.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  transition: color 0.3s;
}
.footer-links a:hover { color: var(--gold); }
.footer-sep { color: var(--gold-border); font-size: 0.8rem; }
.footer-copy { font-size: 0.6rem; color: rgba(243,240,234,0.2); letter-spacing: 0.15em; text-transform: uppercase; }

/* Footer nav links (replaces contact repeat) */
.footer-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.footer-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 0.3s;
}
.footer-nav a:hover { color: var(--gold); }

/* ── WHATSAPP FLOAT ── */
.whatsapp-float {
  position: fixed;
  bottom: 2.5rem;
  right: 2.5rem;
  z-index: 999;
  width: 58px; height: 58px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 24px rgba(37, 211, 102, 0.35);
  transition: transform 0.3s var(--transition), box-shadow 0.3s;
  text-decoration: none;
}
.whatsapp-float:hover {
  transform: scale(1.1) translateY(-3px);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.5);
}
.whatsapp-float svg { width: 28px; height: 28px; fill: white; }

.wa-tooltip {
  position: absolute;
  right: 70px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--graphite);
  border: 1px solid var(--gold-border);
  color: var(--off-white);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  white-space: nowrap;
  padding: 0.45rem 1rem;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
}
.whatsapp-float:hover .wa-tooltip { opacity: 1; }

/* ── SCROLL ANIMATIONS ── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--transition), transform 0.8s var(--transition);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--gold-border); border-radius: 2px; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .sobre-container { grid-template-columns: 1fr; gap: 4rem; }
  .sobre-left { position: static; }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 280px; height: 100vh;
    background: rgba(10, 10, 10, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 2.5rem;
    padding: 2rem;
    border-left: 1px solid var(--gold-border);
    transition: right 0.4s var(--transition);
    z-index: 900;
  }
  .nav-links.open { right: 0; }
  .menu-toggle { display: flex; z-index: 1001; }
  .nav-container { padding: 0 1.5rem; }

  /* Hide scroll hint on mobile */
  .desktop-only { display: none !important; }

  .hero-content { padding: 7rem 1.5rem 4rem; }
  .hero-bg-element { width: 100vw; right: -20%; opacity: 0.2; }
  .hero-btns { flex-direction: column; gap: 0.85rem; }
  .hero-btns .btn-primary,
  .hero-btns .btn-secondary { text-align: center; }

  #sobre { padding: 7rem 1.5rem; }
  .sobre-stats { flex-wrap: wrap; gap: 2rem; }

  #servicos { padding: 7rem 1.5rem; }
  .servicos-grid { grid-template-columns: repeat(2, 1fr); }
  .card-flip { height: 240px; }

  #portfolio { padding: 7rem 1.5rem; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .portfolio-filters { gap: 0.5rem; }
  .filter-btn { padding: 0.4rem 0.9rem; font-size: 0.6rem; }

  #contato { padding: 8rem 1.5rem; }
  .contact-links { gap: 1.5rem; flex-direction: column; align-items: center; }

  #footer { padding: 4rem 1.5rem 2.5rem; }
  .modal-content { padding: 2rem; }
  .modal-gallery { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .servicos-grid { grid-template-columns: 1fr; }
  .hero-headline { font-size: clamp(2.8rem, 9vw, 5rem); }
}