/* ============================================================
   CA2 Brindes – style.css
   ============================================================ */

/* ===== VARIÁVEIS ===== */
:root {
  --primary:      #16A34A;
  --primary-dark: #15803D;
  --secondary:    #CA8A04;
  --secondary-lt: #EAB308;
  --gradient:     linear-gradient(135deg, #16A34A 0%, #EAB308 100%);
  --gradient-h:   linear-gradient(135deg, #15803D 0%, #CA8A04 100%);
  --dark:         #1A1A2E;
  --dark-2:       #2D2D44;
  --gray:         #6B7280;
  --gray-light:   #E5E7EB;
  --bg-light:     #F9FAFB;
  --white:        #FFFFFF;
  --wa-green:     #25D366;
  --wa-dark:      #128C7E;

  --font:         'Poppins', sans-serif;
  --shadow-sm:    0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow:       0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:    0 10px 40px rgba(0,0,0,.14);
  --radius:       12px;
  --radius-lg:    20px;
  --transition:   .3s ease;
  --container:    1200px;
  --nav-h:        72px;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); color: var(--dark); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img  { max-width: 100%; display: block; }
a    { text-decoration: none; color: inherit; }
ul   { list-style: none; }
address { font-style: normal; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }
input, textarea, select {
  font-family: var(--font); font-size: 1rem; width: 100%;
  border: 1.5px solid var(--gray-light); border-radius: 8px;
  padding: .75rem 1rem; background: var(--white); color: var(--dark);
  transition: border-color var(--transition), box-shadow var(--transition); outline: none;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(22,163,74,.14);
}
textarea { resize: vertical; }

/* ===== LAYOUT ===== */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 1.5rem; }
.section        { padding-block: 80px; }
.section--light { background: var(--bg-light); }
.section--dark  { background: var(--dark); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .75rem 1.75rem; border-radius: 50px;
  font-weight: 600; font-size: .95rem;
  transition: all var(--transition); white-space: nowrap;
}
.btn-primary {
  background: var(--gradient); color: var(--white);
  box-shadow: 0 4px 14px rgba(22,163,74,.35);
}
.btn-primary:hover { transform: translateY(-2px); background: var(--gradient-h); box-shadow: 0 6px 20px rgba(22,163,74,.45); }
.btn-ghost {
  background: rgba(255,255,255,.15); color: var(--white);
  border: 2px solid rgba(255,255,255,.5); backdrop-filter: blur(6px);
}
.btn-ghost:hover { background: rgba(255,255,255,.25); border-color: var(--white); }
.btn-ghost-white { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,.7); }
.btn-ghost-white:hover { background: rgba(255,255,255,.1); }
.btn-wa {
  background: var(--wa-green); color: var(--white);
  box-shadow: 0 4px 14px rgba(37,211,102,.4);
}
.btn-wa:hover { background: var(--wa-dark); transform: translateY(-2px); }
.btn-cart-nav {
  background: var(--gradient); color: var(--white);
  box-shadow: 0 4px 14px rgba(22,163,74,.35);
  position: relative;
}
.btn-cart-nav:hover { background: var(--gradient-h); transform: translateY(-2px); }
.cart-nav-badge {
  position: absolute; top: -7px; right: -7px;
  background: #EF4444; color: #fff;
  font-size: .65rem; font-weight: 700;
  min-width: 18px; height: 18px;
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  padding: 0 4px;
  border: 2px solid #fff;
}
.btn-white { background: var(--white); color: var(--primary); font-weight: 700; }
.btn-white:hover { background: var(--primary); color: var(--white); }
.btn-lg   { padding: .9rem 2.25rem; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* ===== SECTION HEADER ===== */
.section-tag {
  display: inline-block;
  background: rgba(22,163,74,.1); color: var(--primary);
  font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  padding: .35rem 1rem; border-radius: 50px; margin-bottom: 1rem;
}
.section-tag--light { background: rgba(255,255,255,.15); color: var(--white); }
.section-header { text-align: center; margin-bottom: 3rem; }
.section-header h2 { font-size: clamp(1.75rem, 3vw, 2.4rem); font-weight: 700; line-height: 1.2; margin-bottom: .75rem; }
.section-header p  { color: var(--gray); font-size: 1.05rem; max-width: 560px; margin-inline: auto; }
.section-header--light h2, .section-header--light p { color: var(--white); }
h2 em { font-style: normal; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h); background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}
.navbar.scrolled { background: var(--white); box-shadow: var(--shadow); }
.navbar__inner { display: flex; align-items: center; gap: 2rem; height: var(--nav-h); }
.logo { font-size: 1.5rem; font-weight: 800; letter-spacing: -.02em; flex-shrink: 0; }
.logo__ca2     { color: var(--primary); }
.logo__brindes { color: var(--dark); }
.navbar:not(.scrolled) .logo__brindes { color: var(--white); }
.logo-img { height: 50px; width: auto; display: block; border-radius: 8px; }
.nav { margin-left: auto; }
.nav ul { display: flex; gap: 2rem; }
.nav__link { font-weight: 500; font-size: .95rem; color: var(--white); position: relative; padding-bottom: 2px; }
.navbar.scrolled .nav__link { color: var(--dark); }
.nav__link::after {
  content: ''; position: absolute; bottom: -2px; left: 0;
  width: 0; height: 2px; background: var(--primary);
  transition: width var(--transition);
}
.nav__link:hover::after { width: 100%; }
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 4px; margin-left: auto; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: all var(--transition); }
.navbar.scrolled .hamburger span { background: var(--dark); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh; background: var(--gradient); position: relative;
  overflow: hidden; display: flex; align-items: center; padding-top: var(--nav-h);
}
.hero__bg-shapes { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.shape { position: absolute; border-radius: 50%; opacity: .12; background: var(--white); }
.shape--1 { width: 500px; height: 500px; top: -150px; right: -100px; }
.shape--2 { width: 300px; height: 300px; bottom: 100px; left: -80px; }
.shape--3 { width: 200px; height: 200px; top: 40%; right: 20%; }
.hero__grid {
  display: grid; grid-template-columns: 1fr 1fr; align-items: center;
  gap: 4rem; padding-block: 4rem 6rem; position: relative; z-index: 1;
}
.hero__text { color: var(--white); }
.badge {
  display: inline-block; background: rgba(255,255,255,.2); color: var(--white);
  font-size: .8rem; font-weight: 600; letter-spacing: .06em;
  padding: .4rem 1rem; border-radius: 50px; margin-bottom: 1.25rem;
  backdrop-filter: blur(4px); border: 1px solid rgba(255,255,255,.25);
}
.hero__text h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); font-weight: 800; line-height: 1.15; margin-bottom: 1.25rem; }
.hero__text h1 em { font-style: normal; -webkit-text-fill-color: initial; color: #FDE68A; }
.hero__text p { font-size: 1.1rem; opacity: .9; margin-bottom: 2rem; max-width: 480px; line-height: 1.7; }
.hero__btns { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero__visual { position: relative; height: 420px; }
.hero__cards  { position: relative; width: 100%; height: 100%; }
.hero__card   { position: absolute; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.hero__card img { width: 100%; height: 100%; object-fit: cover; }
.hero__card--a { width: 200px; height: 260px; top: 0;   left: 30px;  transform: rotate(-4deg); z-index: 3; }
.hero__card--b { width: 180px; height: 240px; top: 80px; left: 200px; transform: rotate(3deg);  z-index: 2; }
.hero__card--c { width: 160px; height: 210px; top: 30px; left: 360px; transform: rotate(-2deg); z-index: 1; }
.hero__wave { position: absolute; bottom: 0; left: 0; right: 0; height: 72px; pointer-events: none; }
.hero__wave svg { width: 100%; height: 100%; }

/* ===== STATS ===== */
.stats { background: var(--white); padding-block: 3rem; box-shadow: var(--shadow); position: relative; z-index: 2; }
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.stat { text-align: center; padding: 1.5rem 1rem; }
.stat__num {
  font-size: 2.8rem; font-weight: 800;
  background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  line-height: 1;
}
.stat__plus { font-size: 2rem; font-weight: 800; color: var(--primary); }
.stat p { color: var(--gray); font-size: .9rem; margin-top: .25rem; }

/* ===== ABOUT ===== */
.about__grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 5rem; }
.about__imgs { position: relative; padding: 1rem 1rem 3rem 0; }
.about__img-main { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); aspect-ratio: 4/5; }
.about__img-main img { width: 100%; height: 100%; object-fit: cover; }
.about__img-sec {
  position: absolute; bottom: 0; right: 0; width: 55%;
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-lg); border: 4px solid var(--white); aspect-ratio: 4/3;
}
.about__img-sec img { width: 100%; height: 100%; object-fit: cover; }
.about__float-badge {
  position: absolute; top: 2rem; right: -1rem;
  background: var(--white); border-radius: var(--radius);
  padding: 1rem 1.25rem; box-shadow: var(--shadow-lg); text-align: center; line-height: 1.3;
}
.about__float-badge i { font-size: 1.5rem; color: var(--secondary-lt); display: block; margin-bottom: .4rem; }
.about__float-badge strong { font-size: .95rem; color: var(--dark); }
.about__float-badge small  { font-size: .8rem; color: var(--gray); display: block; }
.about__text h2 { font-size: clamp(1.75rem, 2.5vw, 2.2rem); font-weight: 700; margin-bottom: 1.25rem; }
.about__text p  { color: var(--gray); margin-bottom: 1rem; line-height: 1.75; }
.about__features { display: grid; grid-template-columns: 1fr 1fr; gap: .65rem; margin: 1.5rem 0 2rem; }
.about__features li { display: flex; align-items: center; gap: .5rem; font-size: .9rem; font-weight: 500; }
.about__features li i { color: var(--primary); font-size: 1rem; flex-shrink: 0; }

/* ===== SERVICES ===== */
.services__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.svc-card {
  background: var(--white); border-radius: var(--radius-lg); padding: 2.5rem 2rem;
  box-shadow: var(--shadow-sm); transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid var(--gray-light);
}
.svc-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.svc-card--featured { background: var(--gradient); border-color: transparent; color: var(--white); }
.svc-card--featured .svc-card__link { color: rgba(255,255,255,.85); }
.svc-card--featured .svc-card__link:hover { color: var(--white); }
.svc-card__icon {
  width: 60px; height: 60px; background: rgba(22,163,74,.1);
  border-radius: var(--radius); display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: var(--primary); margin-bottom: 1.25rem;
}
.svc-card--featured .svc-card__icon { background: rgba(255,255,255,.2); color: var(--white); }
.svc-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: .6rem; }
.svc-card p  { font-size: .9rem; color: var(--gray); line-height: 1.7; margin-bottom: 1.25rem; }
.svc-card--featured p { color: rgba(255,255,255,.85); }
.svc-card__link { font-size: .875rem; font-weight: 700; color: var(--primary); display: inline-flex; align-items: center; gap: .4rem; transition: gap var(--transition); }
.svc-card__link:hover { gap: .7rem; }

/* ===== CATÁLOGO ===== */
.catalog { background: var(--bg-light); }

/* Barra de busca */
.catalog__search-wrap {
  max-width: 500px; margin: 0 auto 2rem;
  position: relative;
}
.catalog__search-wrap i {
  position: absolute; left: 1rem; top: 50%; transform: translateY(-50%);
  color: var(--gray); font-size: 1rem; pointer-events: none;
}
.catalog__search {
  width: 100%; padding: .75rem 1rem .75rem 2.8rem;
  border-radius: 50px; border: 2px solid var(--gray-light);
  font-size: .95rem; background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.catalog__search:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(22,163,74,.14);
}

/* Filtros */
.catalog__filters {
  display: flex; flex-wrap: wrap; gap: .5rem;
  justify-content: center; margin-bottom: 2.5rem;
}
.filter-btn {
  padding: .5rem 1.4rem; border-radius: 50px; font-size: .875rem; font-weight: 600;
  border: 2px solid var(--gray-light); color: var(--gray); background: var(--white);
  transition: all var(--transition);
}
.filter-btn:hover { border-color: var(--primary); color: var(--primary); }
.filter-btn.active {
  background: var(--gradient); border-color: transparent; color: var(--white);
  box-shadow: 0 4px 12px rgba(22,163,74,.3);
}

/* Grid de produtos */
.catalog__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
  min-height: 400px;
}

/* Card de produto */
.prod-card {
  background: var(--white); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--gray-light);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex; flex-direction: column;
}
.prod-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.prod-card.hidden { display: none; }

.prod-card__img {
  position: relative; aspect-ratio: 1; overflow: hidden; flex-shrink: 0;
  background: #f0f0f0;
}
.prod-card__img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s ease;
}
.prod-card:hover .prod-card__img img { transform: scale(1.06); }

.prod-card__overlay {
  display: none;
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(22,163,74,.88) 0%, rgba(0,0,0,.25) 100%);
  display: flex; align-items: flex-end; justify-content: center;
  padding: 1.25rem 1rem; opacity: 0; transition: opacity var(--transition);
}
.prod-card:hover .prod-card__overlay { opacity: 1; }

.prod-card__body { padding: 1rem 1.25rem 1.25rem; flex: 1; display: flex; flex-direction: column; gap: .35rem; }
.prod-card__cat {
  font-size: .7rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .07em; color: var(--primary); display: block;
}
.prod-card__body h3 { font-size: .95rem; font-weight: 700; line-height: 1.3; color: var(--dark); }
.prod-card__desc { font-size: .78rem; color: var(--gray); line-height: 1.5; flex: 1; }

/* Botão Simular Orçamento */
.btn-simular {
  margin-top: .75rem;
  display: flex; align-items: center; justify-content: center; gap: .45rem;
  width: 100%;
  padding: .6rem 1rem;
  background: var(--gradient);
  color: var(--white);
  font-family: var(--font); font-size: .8rem; font-weight: 600;
  border: none; border-radius: 8px;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-simular:hover {
  background: var(--gradient-h);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(22,163,74,.30);
}

/* Contador de resultados + paginação */
.catalog__meta {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.25rem; flex-wrap: wrap; gap: .5rem;
}
.catalog__count { font-size: .875rem; color: var(--gray); }
.catalog__count strong { color: var(--dark); }

.catalog__empty {
  grid-column: 1 / -1; text-align: center; padding: 4rem 1rem;
  color: var(--gray);
}
.catalog__empty i { font-size: 3rem; margin-bottom: 1rem; opacity: .35; display: block; }
.catalog__empty p  { font-size: 1.1rem; }

/* Paginação */
.catalog__pagination {
  display: flex; align-items: center; justify-content: center;
  gap: .5rem; margin-top: 2.5rem; flex-wrap: wrap;
}
.page-btn {
  min-width: 40px; height: 40px; padding: 0 .75rem;
  border-radius: 8px; border: 2px solid var(--gray-light);
  font-size: .875rem; font-weight: 600; color: var(--gray);
  background: var(--white); transition: all var(--transition);
  display: flex; align-items: center; justify-content: center;
}
.page-btn:hover:not(:disabled) { border-color: var(--primary); color: var(--primary); }
.page-btn.active {
  background: var(--gradient); border-color: transparent; color: var(--white);
  box-shadow: 0 3px 10px rgba(22,163,74,.3);
}
.page-btn:disabled { opacity: .4; cursor: not-allowed; }
.page-ellipsis { color: var(--gray); padding: 0 .25rem; align-self: center; }

.catalog__more {
  text-align: center; margin-top: 3rem; padding-top: 2rem;
  border-top: 1px solid var(--gray-light);
}
.catalog__more p { color: var(--gray); margin-bottom: 1rem; font-size: 1.05rem; }

/* ===== HOW IT WORKS ===== */
.how__steps { display: flex; align-items: center; justify-content: center; gap: 1rem; flex-wrap: wrap; }
.how__step  { text-align: center; max-width: 240px; color: var(--white); }
.how__num   { font-size: .75rem; font-weight: 800; letter-spacing: .1em; color: rgba(255,255,255,.4); margin-bottom: .5rem; }
.how__icon  {
  width: 80px; height: 80px; background: rgba(255,255,255,.1);
  border: 2px solid rgba(255,255,255,.2); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; color: var(--secondary-lt);
  margin: 0 auto .75rem; transition: background var(--transition);
}
.how__step:hover .how__icon { background: rgba(255,255,255,.18); }
.how__step h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: .4rem; }
.how__step p  { font-size: .88rem; color: rgba(255,255,255,.7); line-height: 1.6; }
.how__arrow   { font-size: 1.25rem; color: rgba(255,255,255,.3); flex-shrink: 0; }

/* ===== CTA BAND ===== */
.cta-band { background: var(--gradient); padding-block: 4rem; }
.cta-band__inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.cta-band__text h2 { font-size: clamp(1.5rem, 2.5vw, 2rem); font-weight: 700; color: var(--white); margin-bottom: .4rem; }
.cta-band__text h2 em { -webkit-text-fill-color: var(--white); color: var(--white); background: none; }
.cta-band__text p  { color: rgba(255,255,255,.85); font-size: 1.05rem; }
.cta-band__btns { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ===== CONTACT ===== */
.contact__grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 5rem; align-items: start; }
.contact__info h2 { font-size: clamp(1.75rem, 2.5vw, 2.2rem); font-weight: 700; margin-bottom: 1rem; }
.contact__info p  { color: var(--gray); line-height: 1.75; margin-bottom: 2rem; }
.contact__list { display: flex; flex-direction: column; gap: 1.25rem; }
.contact__list li { display: flex; align-items: flex-start; gap: 1rem; }
.contact__icon { width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0; }
.contact__icon--wa    { background: rgba(37,211,102,.12); color: #25D366; }
.contact__icon--email { background: rgba(22,163,74,.1);   color: var(--primary); }
.contact__icon--map   { background: rgba(202,138,4,.1);   color: var(--secondary); }
.contact__icon--ig    { background: rgba(131,58,180,.1);  color: #833AB4; }
.contact__list strong { display: block; font-size: .85rem; color: var(--gray); margin-bottom: .15rem; }
.contact__list a, .contact__list span { font-weight: 600; color: var(--dark); font-size: .95rem; }
.contact__list a:hover { color: var(--primary); }
.contact__form-wrap {
  background: var(--white); border-radius: var(--radius-lg);
  padding: 2.5rem; box-shadow: var(--shadow-lg); border: 1px solid var(--gray-light);
}
.form__row   { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form__group { margin-bottom: 1.25rem; }
.form__group label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: .4rem; color: var(--dark); }

/* ===== FOOTER ===== */
.footer { background: var(--dark); color: rgba(255,255,255,.75); padding-top: 4rem; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 3rem; padding-bottom: 3rem; }
.footer__brand .logo__ca2     { color: var(--primary); }
.footer__brand .logo__brindes { color: var(--white); }
.footer__logo  { margin-bottom: 1rem; display: inline-block; }
.footer__logo .logo-img { height: 70px; border-radius: 10px; }
.footer__brand p { font-size: .875rem; line-height: 1.75; margin-bottom: 1.5rem; max-width: 280px; }
.footer__socials { display: flex; gap: .75rem; }
.footer__socials a {
  width: 40px; height: 40px; background: rgba(255,255,255,.08); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .95rem; color: rgba(255,255,255,.7); transition: all var(--transition);
}
.footer__socials a:hover { background: var(--primary); color: var(--white); }
.footer__col h4  { color: var(--white); font-size: .95rem; font-weight: 700; margin-bottom: 1.25rem; }
.footer__col ul  { display: flex; flex-direction: column; gap: .6rem; }
.footer__col ul a { font-size: .875rem; transition: color var(--transition); }
.footer__col ul a:hover { color: var(--white); }
address p { display: flex; align-items: flex-start; gap: .6rem; font-size: .875rem; margin-bottom: .6rem; }
address i { color: var(--primary); margin-top: .15rem; flex-shrink: 0; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.08); padding-block: 1.25rem; }
.footer__bottom p { font-size: .825rem; text-align: center; color: rgba(255,255,255,.4); }

/* ===== WHATSAPP FLOAT ===== */
.wa-float {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 999;
  width: 60px; height: 60px; background: var(--wa-green); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; color: var(--white);
  box-shadow: 0 6px 24px rgba(37,211,102,.55); transition: all var(--transition);
}
.wa-float:hover { transform: scale(1.12); box-shadow: 0 8px 30px rgba(37,211,102,.7); }
.wa-float:hover .wa-float__tooltip { opacity: 1; transform: translateY(-50%) translateX(-8px); }
.wa-float__tooltip {
  position: absolute; right: calc(100% + 12px); top: 50%;
  transform: translateY(-50%) translateX(0);
  background: var(--dark); color: var(--white);
  font-family: var(--font); font-size: .8rem; font-weight: 600;
  padding: .4rem .9rem; border-radius: 50px; white-space: nowrap;
  opacity: 0; pointer-events: none; transition: all var(--transition);
}
.wa-float__tooltip::after {
  content: ''; position: absolute; left: 100%; top: 50%; transform: translateY(-50%);
  border: 6px solid transparent; border-left-color: var(--dark);
}

/* ===== FADE-IN ANIMATION ===== */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity .6s ease, transform .6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
  .catalog__grid { grid-template-columns: repeat(3, 1fr); }
  .footer__grid  { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 900px) {
  .nav { display: none; position: absolute; top: var(--nav-h); left: 0; right: 0; background: var(--white); padding: 1.5rem 1.5rem 2rem; box-shadow: var(--shadow); }
  .nav.open { display: block; }
  .nav ul { flex-direction: column; gap: 1rem; }
  .nav__link { color: var(--dark) !important; font-size: 1.05rem; }
  .hamburger { display: flex; }
  .navbar .btn-wa { display: none; }
  .btn-cart-nav { font-size: .75rem; padding: .45rem .8rem; }
  .btn-cart-nav span:not(.cart-nav-badge) { display: none; }
  .hero__grid { grid-template-columns: 1fr; text-align: center; padding-block: 5rem 5rem; }
  .hero__btns { justify-content: center; }
  .hero__text p { margin-inline: auto; }
  .hero__visual { display: none; }
  .about__grid { grid-template-columns: 1fr; gap: 3rem; }
  .about__imgs { max-width: 480px; margin-inline: auto; }
  .services__grid { grid-template-columns: 1fr; max-width: 480px; margin-inline: auto; }
  .contact__grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .catalog__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .catalog__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr; }
  .how__steps { flex-direction: column; }
  .how__arrow { transform: rotate(90deg); }
  .cta-band__inner { flex-direction: column; text-align: center; }
  .cta-band__btns { justify-content: center; }
  .about__features { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .catalog__filters { gap: .35rem; }
  .filter-btn { padding: .4rem 1rem; font-size: .8rem; }
}

@media (max-width: 480px) {
  .section { padding-block: 56px; }
  .catalog__grid { grid-template-columns: 1fr; max-width: 360px; margin-inline: auto; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .hero__btns { flex-direction: column; align-items: center; }
  .contact__form-wrap { padding: 1.5rem; }
}