/* ============================================================
   HCA Sublimados — Landing page
   ============================================================ */

:root {
  --teal: #14b8ae;
  --teal-dark: #0e9a92;
  --fucsia: #e0157e;
  --fucsia-dark: #b91169;
  --yellow: #f6b93b;
  --yellow-dark: #e0a020;

  --ink: #16181d;
  --gray-800: #2b2f36;
  --gray-600: #5b6470;
  --gray-400: #9aa2ad;
  --gray-200: #e7e9ec;
  --gray-100: #f2f3f5;

  --bg: #ffffff;
  --bg-soft: #f8f8f9;
  --surface: #ffffff;
  --surface-ink: #16181d;
  --header-bg: rgba(255, 255, 255, 0.85);

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;

  --shadow-sm: 0 2px 10px rgba(20, 20, 30, 0.06);
  --shadow-md: 0 10px 30px rgba(20, 20, 30, 0.08);
  --shadow-lg: 0 20px 50px rgba(20, 20, 30, 0.12);

  --container: 1180px;

  --ff-heading: "Poppins", "Inter", sans-serif;
  --ff-body: "Inter", sans-serif;

  color-scheme: light;
}

:root[data-theme="dark"] {
  --ink: #f3f4f6;
  --gray-800: #d8dbe0;
  --gray-600: #a7aeb8;
  --gray-400: #6b7280;
  --gray-200: #2a2e35;
  --gray-100: #16181d;

  --bg: #0e1013;
  --bg-soft: #16191f;
  --surface: #1c1f26;
  --header-bg: rgba(14, 16, 19, 0.85);

  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.28);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.36);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.5);

  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--ff-body);
  color: var(--gray-800);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background 0.3s ease, color 0.3s ease;
}

img,
svg {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

h1,
h2,
h3,
h4 {
  font-family: var(--ff-heading);
  color: var(--ink);
  margin: 0;
  line-height: 1.15;
}

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

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ff-heading);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fucsia);
  margin-bottom: 14px;
}

.section-tag::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal), var(--fucsia));
}

.section-title {
  font-size: clamp(1.7rem, 3.2vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 14px;
}

.section-subtitle {
  color: var(--gray-600);
  font-size: 1.05rem;
  max-width: 560px;
  line-height: 1.6;
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 52px;
}

section {
  padding: 96px 0;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--ff-heading);
  font-weight: 600;
  font-size: 0.96rem;
  padding: 15px 28px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
  white-space: nowrap;
}

.btn svg {
  width: 19px;
  height: 19px;
  flex-shrink: 0;
}

.btn-primary {
  background: var(--surface-ink);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-whatsapp {
  background: #25d366;
  color: #fff;
  box-shadow: 0 10px 24px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(37, 211, 102, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--gray-200);
}

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

.btn-light {
  background: var(--surface);
  color: var(--ink);
}

.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1.05rem;
}

/* ---------- header ---------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
  border-bottom-color: var(--gray-200);
  box-shadow: 0 4px 20px rgba(20, 20, 30, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}

.logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
  gap: 3px;
}

.logo-letters {
  font-family: var(--ff-heading);
  font-weight: 800;
  font-size: 1.7rem;
  letter-spacing: 0.01em;
  display: flex;
}

.logo-letters i {
  font-style: normal;
}

.logo-letters i:nth-child(1) { color: var(--teal); }
.logo-letters i:nth-child(2) { color: var(--fucsia); }
.logo-letters i:nth-child(3) { color: var(--yellow); }

.logo-sub {
  font-family: var(--ff-heading);
  font-weight: 600;
  font-size: 0.62rem;
  letter-spacing: 0.32em;
  color: var(--ink);
  padding-left: 0.32em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-links {
  display: flex;
  gap: 34px;
}

.nav-links a {
  font-family: var(--ff-heading);
  font-weight: 500;
  font-size: 0.94rem;
  color: var(--gray-800);
  position: relative;
  padding: 6px 0;
  transition: color 0.2s ease;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--teal), var(--fucsia));
  transition: width 0.25s ease;
}

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

.nav-links a:hover::after {
  width: 100%;
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 14px;
}

.header-cta .btn-primary {
  padding: 12px 22px;
  font-size: 0.9rem;
}

.theme-toggle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--gray-200);
  background: var(--surface);
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.theme-toggle:hover {
  transform: translateY(-2px);
}

.theme-toggle svg {
  width: 19px;
  height: 19px;
}

.theme-icon--moon {
  display: none;
}

:root[data-theme="dark"] .theme-icon--sun {
  display: none;
}

:root[data-theme="dark"] .theme-icon--moon {
  display: block;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--gray-200);
  background: var(--surface);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  position: relative;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle span::before {
  position: absolute;
  top: -6px;
}

.nav-toggle span::after {
  position: absolute;
  top: 6px;
}

.nav-toggle.active span {
  background: transparent;
}

.nav-toggle.active span::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle.active span::after {
  top: 0;
  transform: rotate(-45deg);
}

.mobile-panel {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: var(--surface);
  border-top: 1px solid var(--gray-200);
  padding: 14px 24px 24px;
}

.mobile-panel a {
  font-family: var(--ff-heading);
  font-weight: 500;
  padding: 12px 4px;
  border-bottom: 1px solid var(--gray-100);
}

.mobile-panel .btn {
  margin-top: 14px;
  width: 100%;
}

.mobile-panel.open {
  display: flex;
}

/* ---------- hero ---------- */

.hero {
  padding: 168px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 50px;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-soft);
  border: 1px solid var(--gray-200);
  padding: 8px 16px;
  border-radius: 999px;
  font-family: var(--ff-heading);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gray-600);
  margin-bottom: 24px;
}

.hero-eyebrow .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--yellow);
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.hero h1 .accent {
  background: linear-gradient(90deg, var(--teal), var(--fucsia));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.lead {
  margin-top: 22px;
  font-size: 1.15rem;
  color: var(--gray-600);
  max-width: 460px;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.hero-trust {
  display: flex;
  gap: 30px;
  margin-top: 48px;
  flex-wrap: wrap;
}

.hero-trust div {
  display: flex;
  flex-direction: column;
}

.hero-trust strong {
  font-family: var(--ff-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--ink);
}

.hero-trust span {
  font-size: 0.82rem;
  color: var(--gray-600);
}

/* hero visual */

.hero-visual {
  position: relative;
  height: 480px;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(0px);
  opacity: 0.9;
}

.blob-1 {
  width: 320px;
  height: 320px;
  background: radial-gradient(circle at 30% 30%, #6de3da, var(--teal));
  top: -20px;
  right: 20px;
  opacity: 0.22;
  animation: float-slow 9s ease-in-out infinite;
}

.blob-2 {
  width: 260px;
  height: 260px;
  background: radial-gradient(circle at 30% 30%, #f386c0, var(--fucsia));
  bottom: -30px;
  left: 0;
  opacity: 0.18;
  animation: float-slow 11s ease-in-out infinite reverse;
}

.blob-3 {
  width: 180px;
  height: 180px;
  background: radial-gradient(circle at 30% 30%, #ffd88a, var(--yellow));
  bottom: 60px;
  right: 60px;
  opacity: 0.25;
  animation: float-slow 7s ease-in-out infinite;
}

@keyframes float-slow {
  0%, 100% { transform: translateY(0) translateX(0); }
  50% { transform: translateY(-18px) translateX(10px); }
}

.product-card-float {
  position: absolute;
  background: var(--surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: bob 6s ease-in-out infinite;
}

.pf-mug {
  width: 168px;
  height: 168px;
  top: 10px;
  left: 40px;
  animation-delay: 0s;
}

.pf-shirt {
  width: 148px;
  height: 148px;
  top: 40px;
  right: 0;
  animation-delay: 1.2s;
}

.pf-mate {
  width: 150px;
  height: 150px;
  bottom: 30px;
  left: 100px;
  animation-delay: 2.1s;
}

.pf-bottle {
  width: 132px;
  height: 190px;
  bottom: 0;
  right: 40px;
  animation-delay: 0.6s;
}

@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

/* ---------- productos ---------- */

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

.product-card {
  background: var(--bg-soft);
  border-radius: var(--radius-md);
  padding: 30px 24px;
  text-align: left;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
  border: 1px solid var(--gray-200);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  background: var(--surface);
  border-color: transparent;
}

.product-media {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.product-media svg {
  width: 52%;
  height: 52%;
  position: relative;
  z-index: 1;
}

.product-card:nth-child(8n+1) .product-media { background: linear-gradient(135deg, #d9f6f3, #eafcfa); }
.product-card:nth-child(8n+2) .product-media { background: linear-gradient(135deg, #fbdcee, #fdf0f7); }
.product-card:nth-child(8n+3) .product-media { background: linear-gradient(135deg, #fdecc7, #fff6e4); }
.product-card:nth-child(8n+4) .product-media { background: linear-gradient(135deg, #d9f6f3, #fbdcee); }
.product-card:nth-child(8n+5) .product-media { background: linear-gradient(135deg, #fdf0f7, #fdecc7); }
.product-card:nth-child(8n+6) .product-media { background: linear-gradient(135deg, #eafcfa, #fff6e4); }
.product-card:nth-child(8n+7) .product-media { background: linear-gradient(135deg, #fbdcee, #d9f6f3); }
.product-card:nth-child(8n+8) .product-media { background: linear-gradient(135deg, #fff6e4, #fbdcee); }

.product-card h3 {
  font-size: 1.08rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.product-card p {
  color: var(--gray-600);
  font-size: 0.88rem;
  line-height: 1.5;
  margin: 0 0 18px;
  min-height: 42px;
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--ff-heading);
  font-weight: 600;
  font-size: 0.86rem;
  color: var(--ink);
  border-bottom: 1.5px solid var(--ink);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease, gap 0.2s ease;
}

.product-link:hover {
  color: var(--fucsia);
  border-color: var(--fucsia);
  gap: 10px;
}

/* ---------- como funciona ---------- */

.how {
  background: var(--bg-soft);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.step {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 34px 26px;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.step-num {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ff-heading);
  font-weight: 800;
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 22px;
}

.step:nth-child(1) .step-num { background: var(--teal); }
.step:nth-child(2) .step-num { background: var(--fucsia); }
.step:nth-child(3) .step-num { background: var(--yellow); color: var(--ink); }
.step:nth-child(4) .step-num { background: var(--surface-ink); }

.step h3 {
  font-size: 1.02rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step p {
  color: var(--gray-600);
  font-size: 0.9rem;
  line-height: 1.55;
  margin: 0;
}

/* ---------- galeria: vidriera flotante con autoplay infinito ---------- */

.gallery-showcase {
  overflow: hidden;
  margin-top: 8px;
}

.gallery-track {
  display: flex;
  align-items: center;
  gap: 32px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 20px 24px 36px;
}

.gallery-track::-webkit-scrollbar {
  display: none;
}

.gallery-card {
  flex: 0 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: var(--bg-soft);
  cursor: default;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.gallery-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gallery-ph {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(22, 24, 29, 0.3);
}

.gallery-ph svg {
  width: 15%;
  height: 15%;
  min-width: 30px;
  min-height: 30px;
  opacity: 0.4;
}

/* tamaños orgánicos: la vidriera respira con alturas y anchos distintos */
.gallery-card--1 { width: 240px; height: 320px; background: linear-gradient(160deg, #d9f6f3, #b9ece6); }
.gallery-card--2 { width: 320px; height: 230px; background: linear-gradient(160deg, #fbdcee, #f4b7dc); }
.gallery-card--3 { width: 210px; height: 300px; background: linear-gradient(160deg, #fdecc7, #fadd9c); }
.gallery-card--4 { width: 280px; height: 360px; background: linear-gradient(160deg, #eafcfa, #d9f6f3); }
.gallery-card--5 { width: 300px; height: 220px; background: linear-gradient(160deg, #fdf0f7, #fbdcee); }
.gallery-card--6 { width: 230px; height: 310px; background: linear-gradient(160deg, #16181d, #34383f); }
.gallery-card--6 .gallery-ph { color: rgba(255, 255, 255, 0.45); }
.gallery-card--7 { width: 260px; height: 340px; background: linear-gradient(160deg, #fff6e4, #fdecc7); }
.gallery-card--8 { width: 210px; height: 260px; background: linear-gradient(160deg, #d9f6f3, #fbdcee); }
.gallery-card--9 { width: 300px; height: 250px; background: linear-gradient(160deg, #fadd9c, #f4b7dc); }

.gallery-note {
  text-align: center;
  color: var(--gray-400);
  font-size: 0.82rem;
  margin-top: 6px;
}

@media (prefers-reduced-motion: reduce) {
  .gallery-card {
    transition: none;
  }
}

/* ---------- CTA conversion ---------- */

.cta-section {
  position: relative;
  border-radius: var(--radius-lg);
  margin: 0 24px;
  max-width: calc(var(--container) - 0px);
  margin-left: auto;
  margin-right: auto;
  overflow: hidden;
  background: var(--surface-ink);
  padding: 90px 40px;
  text-align: center;
}

.cta-section .blob {
  opacity: 0.35;
}

.cta-section .blob-1 { top: -80px; left: -60px; opacity: 0.25; }
.cta-section .blob-2 { bottom: -80px; right: -40px; opacity: 0.2; }

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 620px;
  margin: 0 auto;
}

.cta-content h2 {
  color: #fff;
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 18px;
}

.cta-content p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 1.05rem;
  line-height: 1.6;
  margin-bottom: 38px;
}

/* ---------- FAQ ---------- */

.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--gray-200);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: none;
  border: none;
  text-align: left;
  padding: 24px 4px;
  font-family: var(--ff-heading);
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--ink);
  cursor: pointer;
}

.faq-icon {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: background 0.25s ease, transform 0.25s ease;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.faq-icon::before {
  width: 12px;
  height: 2px;
}

.faq-icon::after {
  width: 2px;
  height: 12px;
}

.faq-item.open .faq-icon {
  background: var(--fucsia);
  transform: rotate(90deg);
}

.faq-item.open .faq-icon::before,
.faq-item.open .faq-icon::after {
  background: #fff;
}

.faq-item.open .faq-icon::after {
  opacity: 0;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-answer p {
  color: var(--gray-600);
  font-size: 0.96rem;
  line-height: 1.65;
  padding: 0 4px 24px;
  margin: 0;
  max-width: 640px;
}

/* ---------- footer ---------- */

.site-footer {
  background: var(--gray-100);
  padding: 70px 0 26px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
}

.footer-brand p {
  color: var(--gray-600);
  font-size: 0.92rem;
  line-height: 1.6;
  margin: 18px 0 22px;
  max-width: 280px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.footer-social svg {
  width: 18px;
  height: 18px;
}

.footer-social a:hover {
  transform: translateY(-3px);
  background: var(--surface-ink);
  border-color: var(--surface-ink);
}

.footer-social a:hover svg {
  filter: invert(1);
}

.footer-col h4 {
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 18px;
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col a,
.footer-col span {
  font-size: 0.92rem;
  color: var(--gray-800);
}

.footer-col a:hover {
  color: var(--fucsia);
}

.footer-col p {
  margin: 0 0 4px;
  font-size: 0.92rem;
  color: var(--gray-800);
}

.footer-bottom {
  border-top: 1px solid var(--gray-200);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--gray-400);
}

/* ---------- floating whatsapp ---------- */

.wa-float {
  position: fixed;
  bottom: 26px;
  right: 26px;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 28px rgba(37, 211, 102, 0.4);
  z-index: 200;
  animation: pulse 2.4s ease-in-out infinite;
}

.wa-float svg {
  width: 30px;
  height: 30px;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 12px 28px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 12px 28px rgba(37, 211, 102, 0.65), 0 0 0 10px rgba(37, 211, 102, 0.12); }
}

/* ---------- reveal on scroll ---------- */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger.is-visible > * {
  animation: none;
}

/* ---------- responsive ---------- */

@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer-top {
    grid-template-columns: 1.2fr 1fr 1fr;
  }
}

@media (max-width: 900px) {
  .nav-links,
  .header-cta .btn-primary {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-inner {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    height: 380px;
    order: -1;
  }

  .hero p.lead {
    max-width: 100%;
  }
}

@media (max-width: 640px) {
  section {
    padding: 70px 0;
  }

  .hero {
    padding: 140px 0 60px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .products-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .product-card {
    padding: 20px 16px;
  }

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

  .gallery-track {
    gap: 18px;
    padding: 14px 16px 28px;
  }

  .gallery-card--1 { width: 170px; height: 230px; }
  .gallery-card--2 { width: 220px; height: 165px; }
  .gallery-card--3 { width: 150px; height: 215px; }
  .gallery-card--4 { width: 195px; height: 250px; }
  .gallery-card--5 { width: 210px; height: 160px; }
  .gallery-card--6 { width: 165px; height: 220px; }
  .gallery-card--7 { width: 185px; height: 240px; }
  .gallery-card--8 { width: 150px; height: 185px; }
  .gallery-card--9 { width: 210px; height: 180px; }

  .cta-section {
    margin: 0 12px;
    padding: 60px 24px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .wa-float {
    width: 56px;
    height: 56px;
    bottom: 18px;
    right: 18px;
  }
}