/* ============================================================
   7Sports Promo — Stylesheet
   Paleta: #85c700 (verde), #ffffff (branco), #111 / #222 (escuro)
   ============================================================ */

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

:root {
  --green:      #85c700;
  --green-dark: #6aab00;
  --green-light:#9fde1a;
  --white:      #ffffff;
  --dark:       #111111;
  --dark2:      #1e1e1e;
  --gray:       #f5f5f5;
  --gray2:      #e0e0e0;
  --text:       #333333;
  --text-light: #666666;
  --shadow:     0 4px 24px rgba(0,0,0,.10);
  --shadow-md:  0 8px 32px rgba(0,0,0,.14);
  --radius:     12px;
  --transition: .3s ease;
  --font:       'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a   { text-decoration: none; color: inherit; }
ul  { list-style: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-title {
  text-align: center;
  margin-bottom: 48px;
}

.section-title h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
}

.section-title h2 span { color: var(--green); }

.section-title p {
  margin-top: 12px;
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.section-title .line {
  width: 60px;
  height: 4px;
  background: var(--green);
  border-radius: 2px;
  margin: 16px auto 0;
}

/* ── Botões ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: .95rem;
  font-weight: 700;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  letter-spacing: .3px;
}

.btn-primary {
  background: var(--green);
  color: var(--dark);
  border-color: var(--green);
}

.btn-primary:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(133,199,0,.4);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}

.btn-outline:hover {
  background: var(--white);
  color: var(--dark);
  transform: translateY(-2px);
}

/* ── Header / Navbar ──────────────────────────────────────── */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  /* gradiente sutil garante leitura do logo sobre qualquer fundo */
  background: linear-gradient(to bottom, rgba(0,0,0,.55) 0%, transparent 100%);
  transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
  padding: 0;
}

#header.scrolled {
  background: rgba(17,17,17,.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 rgba(133,199,0,.15), 0 4px 24px rgba(0,0,0,.4);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.nav-logo {
  display: flex;
  align-items: center;
}

/* Logo como imagem PNG */
.logo-img {
  height: 46px;
  width: auto;
  display: block;
  object-fit: contain;
  /* o PNG tem fundo branco/transparente — filter garante visibilidade em qualquer fundo */
  filter: drop-shadow(0 1px 4px rgba(0,0,0,.35));
  transition: opacity var(--transition);
}

.logo-img:hover { opacity: .88; }

/* Versão maior no footer */
.logo-img--footer {
  height: 54px;
  filter: none;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-menu a {
  color: rgba(255,255,255,.8);
  font-size: .88rem;
  font-weight: 600;
  padding: 8px 15px;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--green);
  background: rgba(133,199,0,.1);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Hero ─────────────────────────────────────────────────── */
#inicio {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--dark);
  overflow: hidden;
  /* empurra o centro visual para baixo do header fixo (76px) */
  padding-top: 76px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(17,17,17,.92) 0%, rgba(30,30,30,.75) 60%, rgba(133,199,0,.18) 100%);
  z-index: 1;
}

/* padrão geométrico decorativo */
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(133,199,0,.12) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(133,199,0,.08) 0%, transparent 40%);
}

.hero-shapes {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
}

.hero-shapes .shape {
  position: absolute;
  border-radius: 50%;
  background: rgba(133,199,0,.07);
  animation: floatShape 8s ease-in-out infinite;
}

.hero-shapes .shape:nth-child(1) { width:400px; height:400px; top:-100px; right:-80px; animation-delay:0s; }
.hero-shapes .shape:nth-child(2) { width:250px; height:250px; bottom:10%; left:-60px; animation-delay:2s; }
.hero-shapes .shape:nth-child(3) { width:150px; height:150px; top:30%; left:30%; animation-delay:4s; }

@keyframes floatShape {
  0%, 100% { transform: translateY(0) scale(1); }
  50%       { transform: translateY(-20px) scale(1.04); }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(133,199,0,.15);
  border: 1px solid rgba(133,199,0,.4);
  color: var(--green);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .8px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-content h1 {
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero-content h1 span { color: var(--green); }

.hero-content p {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,.75);
  max-width: 560px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,.1);
  flex-wrap: wrap;
}

.hero-stat .num {
  font-size: 2rem;
  font-weight: 900;
  color: var(--green);
  line-height: 1;
}

.hero-stat .label {
  font-size: .82rem;
  color: rgba(255,255,255,.55);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: .5px;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.4);
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  animation: bounce 2s ease infinite;
}

.hero-scroll svg { opacity: .5; }

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

/* ── Sobre ────────────────────────────────────────────────── */
#sobre {
  padding: 100px 0;
  background: var(--white);
}

.sobre-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.sobre-text h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
  margin-bottom: 20px;
}

.sobre-text h2 span { color: var(--green); }

.sobre-text p {
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 16px;
}

.sobre-text .btn { margin-top: 12px; color: var(--dark); }

.sobre-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.sobre-card {
  background: var(--gray);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: var(--transition);
  border: 2px solid transparent;
}

.sobre-card:hover {
  border-color: var(--green);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.sobre-card .icon {
  width: 52px;
  height: 52px;
  background: var(--green);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.sobre-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.sobre-card p {
  font-size: .88rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ── Projetos ─────────────────────────────────────────────── */
#projetos {
  padding: 100px 0;
  background: var(--gray);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}

.project-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.project-card .card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  background: #c8e89a;
}

.project-card .card-img-placeholder {
  width: 100%;
  height: 220px;
  background: linear-gradient(135deg, #c8e89a 0%, #85c700 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.project-card .card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-category {
  display: inline-block;
  background: rgba(133,199,0,.15);
  color: var(--green-dark);
  font-size: .75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 12px;
}

.project-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 10px;
  line-height: 1.3;
}

.project-card p {
  font-size: .9rem;
  color: var(--text-light);
  line-height: 1.65;
  flex: 1;
}

.card-date {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: .8rem;
  color: var(--text-light);
  padding-top: 16px;
  border-top: 1px solid var(--gray2);
}

.card-date svg { color: var(--green); flex-shrink: 0; }

/* ── Ações Sociais ────────────────────────────────────────── */
#acoes {
  padding: 100px 0;
  background: var(--dark);
  position: relative;
  overflow: hidden;
}

#acoes::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(133,199,0,.08) 0%, transparent 70%);
}

.acoes-intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 64px;
}

.acoes-intro h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 16px;
}

.acoes-intro h2 span { color: var(--green); }
.acoes-intro .line { width: 60px; height: 4px; background: var(--green); border-radius: 2px; margin: 16px auto; }

.acoes-intro p {
  color: rgba(255,255,255,.65);
  font-size: 1.05rem;
  line-height: 1.7;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}

.stat-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(133,199,0,.2);
  border-radius: var(--radius);
  padding: 36px 24px;
  text-align: center;
  transition: var(--transition);
}

.stat-card:hover {
  background: rgba(133,199,0,.08);
  border-color: var(--green);
  transform: translateY(-4px);
}

.stat-card .stat-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
  display: block;
}

.stat-card .stat-num {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 900;
  color: var(--green);
  line-height: 1;
  display: block;
}

.stat-card .stat-label {
  font-size: .88rem;
  color: rgba(255,255,255,.6);
  margin-top: 8px;
  text-transform: uppercase;
  letter-spacing: .5px;
}

.acoes-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.acoes-feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 24px;
  background: rgba(255,255,255,.03);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.06);
}

.acoes-feature .feat-icon {
  width: 48px;
  height: 48px;
  background: rgba(133,199,0,.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.acoes-feature h4 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
}

.acoes-feature p {
  font-size: .85rem;
  color: rgba(255,255,255,.5);
  line-height: 1.6;
}

/* ── Galeria ──────────────────────────────────────────────── */
#galeria {
  padding: 100px 0;
  background: var(--white);
}

.gallery-filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: 50px;
  border: 2px solid var(--gray2);
  background: var(--white);
  color: var(--text-light);
  font-size: .88rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--green);
  background: var(--green);
  color: var(--dark);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 1;
  cursor: pointer;
  background: linear-gradient(135deg, #c8e89a 0%, #85c700 100%);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}

.gallery-item .gallery-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 2rem;
  color: var(--dark);
  transition: transform .4s ease;
}

.gallery-item:hover img,
.gallery-item:hover .gallery-placeholder { transform: scale(1.07); }

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(17,17,17,.7);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  opacity: 0;
  transition: opacity .3s ease;
}

.gallery-item:hover .gallery-overlay { opacity: 1; }

.gallery-overlay span {
  color: var(--white);
  font-size: .85rem;
  font-weight: 600;
  text-align: center;
  padding: 0 12px;
}

.gallery-overlay .zoom-icon {
  width: 44px;
  height: 44px;
  background: var(--green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dark);
  font-size: 1.2rem;
}

/* ── Lightbox ─────────────────────────────────────────────── */
#lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.92);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}

#lightbox.active { display: flex; }

.lightbox-inner {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-inner img {
  max-width: 90vw;
  max-height: 80vh;
  border-radius: var(--radius);
  object-fit: contain;
}

.lightbox-inner .lb-placeholder {
  width: 600px;
  max-width: 90vw;
  height: 400px;
  background: linear-gradient(135deg, #c8e89a, #85c700);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}

.lightbox-caption {
  color: rgba(255,255,255,.75);
  font-size: .9rem;
  margin-top: 16px;
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: -48px;
  right: 0;
  background: rgba(255,255,255,.1);
  border: none;
  color: var(--white);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  transition: background var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-close:hover { background: var(--green); color: var(--dark); }

/* ── Contato ──────────────────────────────────────────────── */
#contato {
  padding: 100px 0;
  background: var(--gray);
}

.contato-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: start;
}

.contato-info h3 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 16px;
}

.contato-info h3 span { color: var(--green); }

.contato-info p {
  color: var(--text-light);
  line-height: 1.75;
  margin-bottom: 32px;
}

.info-items { display: flex; flex-direction: column; gap: 20px; }

.info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.info-item .info-icon {
  width: 48px;
  height: 48px;
  background: var(--green);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  color: var(--dark);
}

.info-item h4 { font-size: .9rem; font-weight: 700; color: var(--dark); margin-bottom: 4px; }
.info-item p  { font-size: .88rem; color: var(--text-light); margin: 0; line-height: 1.5; }

.contact-form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.form-group label {
  font-size: .88rem;
  font-weight: 600;
  color: var(--text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 2px solid var(--gray2);
  border-radius: 8px;
  font-size: .92rem;
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(133,199,0,.15);
}

.form-group textarea { resize: vertical; min-height: 130px; }

.form-group.full { grid-column: 1 / -1; }

.form-submit { width: 100%; padding: 14px; font-size: 1rem; justify-content: center; border-radius: 8px; }

.alert {
  padding: 14px 18px;
  border-radius: 8px;
  margin-bottom: 24px;
  font-size: .9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}

.alert-success {
  background: rgba(133,199,0,.12);
  border: 1px solid rgba(133,199,0,.4);
  color: var(--green-dark);
}

.alert-error {
  background: rgba(220,53,69,.1);
  border: 1px solid rgba(220,53,69,.3);
  color: #c0392b;
}

/* ── Footer ───────────────────────────────────────────────── */
footer {
  background: var(--dark2);
  color: rgba(255,255,255,.65);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer-brand .nav-logo { margin-bottom: 4px; }

.footer-brand p {
  margin-top: 16px;
  font-size: .88rem;
  line-height: 1.7;
  max-width: 300px;
}

.footer-brand .domain {
  margin-top: 12px;
  font-size: .78rem;
  color: var(--green);
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-links h4 {
  color: var(--white);
  font-size: .95rem;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-links h4::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 30px; height: 2px;
  background: var(--green);
}

.footer-links ul { display: flex; flex-direction: column; gap: 10px; }

.footer-links ul a {
  font-size: .88rem;
  color: rgba(255,255,255,.55);
  transition: color var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

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

.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p { font-size: .82rem; }

.footer-bottom .heart { color: var(--green); }

/* ── WhatsApp botão flutuante ─────────────────────────────── */
#whatsapp-btn {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 999;
  width: 60px;
  height: 60px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,.45);
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
}

#whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,.6);
}

#whatsapp-btn svg { width: 30px; height: 30px; fill: white; }

#whatsapp-btn .tooltip {
  position: absolute;
  right: calc(100% + 14px);
  background: var(--dark);
  color: var(--white);
  font-size: .8rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 6px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition);
}

#whatsapp-btn:hover .tooltip { opacity: 1; }

/* ── Animações de entrada ─────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: .1s; }
.fade-in-delay-2 { transition-delay: .2s; }
.fade-in-delay-3 { transition-delay: .3s; }
.fade-in-delay-4 { transition-delay: .4s; }

/* ── Responsivo ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .acoes-features { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .sobre-grid { gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: fixed;
    top: 76px; left: 0; right: 0;
    background: var(--dark2);
    flex-direction: column;
    padding: 24px;
    gap: 4px;
    border-top: 1px solid rgba(255,255,255,.08);
    box-shadow: var(--shadow-md);
  }

  .nav-menu.open { display: flex; }

  .nav-menu a {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: .95rem;
    width: 100%;
  }

  .nav-toggle { display: flex; }

  .sobre-grid { grid-template-columns: 1fr; }
  .sobre-cards { grid-template-columns: 1fr 1fr; }

  .projects-grid { grid-template-columns: 1fr; }

  .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .acoes-features { grid-template-columns: 1fr; }

  .gallery-grid { grid-template-columns: repeat(2, 1fr); }

  .contato-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }

  .hero-stats { gap: 24px; }

  #whatsapp-btn { bottom: 20px; right: 20px; width: 52px; height: 52px; }
}

@media (max-width: 480px) {
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; justify-content: center; }
  .sobre-cards { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .contact-form { padding: 24px; }
}