:root {
  --bg: #ffffff;
  --panel: #ffffff;
  --text: #111111;
  --muted: #4d4d4d;
  --line: #e8e8e8;
  --soft: #fafafa;
  --button: #111111;
  --button-text: #ffffff;
  --shadow: rgba(17, 17, 17, 0.04);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  text-decoration: none;
}

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

header {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(6px);
  padding: 2px 2% 0;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.nav-topline {
  min-height: 60px;
  padding-top: 0;
  flex-wrap: wrap;
}

.register-link,
.meta-link {
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  transition: opacity 0.2s ease;
}

.register-link {
  margin-left: 0;
  margin-right: 4px;
  flex-shrink: 0;
}

.consultor-banner-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  flex: 1 1 100%;
  max-width: 1280px;
  padding: 0;
  margin-top: 0;
  order: -1;
}

.consultor-banner-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 4px;
  width: 50%;
}

.consultor-banner {
  width: 100%;
  object-fit: contain;
  filter: grayscale(1) contrast(1.2);
  transition: none;
  opacity: 0.98;
}

.patrocinador-tag {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 700;
  line-height: 1.1;
  margin-top: 0;
  text-align: center;
  width: 100%;
}

.header-meta {
  display: flex;
  justify-content: flex-end;
  min-width: 200px;
}

.whatsapp-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
}

.whatsapp-icon {
  width: 26px;
  height: 26px;
  object-fit: contain;
  display: block;
  animation: whatsappPulse 2.4s ease-in-out infinite;
  transform-origin: center;
}

@keyframes whatsappPulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.9;
  }
  50% {
    transform: scale(1.12);
    opacity: 1;
  }
}

.nav-menu {
  padding-top: 2px;
  padding-bottom: 8px;
  border-top: 1px solid rgba(17, 17, 17, 0.04);
}

nav {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}

nav a {
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  transition: opacity 0.2s ease;
}

nav a:hover,
.register-link:hover,
.meta-link:hover {
  opacity: 0.7;
}

.lang-switcher {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--text);
  border-radius: 999px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.02);
}

.lang-link {
  padding: 6px 10px;
  color: var(--text);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.lang-link.active {
  background: var(--button);
  color: var(--button-text);
}

.btn-nav,
.btn-secondary,
.btn-mega-cta,
.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--button);
  color: var(--button-text);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.btn-nav {
  padding: 10px 22px;
  font-size: 0.85rem;
  font-weight: 700;
}

.btn-nav:hover,
.btn-secondary:hover,
.btn-mega-cta:hover,
.btn-whatsapp:hover,
.floating-whatsapp:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.hero {
  background: var(--bg);
  padding: 28px 5% 44px;
  text-align: center;
}

.hero-layout {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(240px, 0.85fr) minmax(0, 1.4fr);
  align-items: center;
  gap: clamp(28px, 5vw, 72px);
}

.hero-content {
  max-width: 980px;
  margin: 0 auto;
}

.hero-layout .hero-content {
  max-width: none;
  text-align: left;
}

.product-carousel {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 0.95;
  overflow: hidden;
  background: #f7f7f5;
  border: 1px solid #e8e8e8;
}

.carousel-slides,
.carousel-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.carousel-shop-link {
  position: absolute;
  inset: 0;
  display: block;
}

.carousel-slide {
  object-fit: contain;
  padding: 12%;
  opacity: 0;
  transition: opacity 0.45s ease;
}

.carousel-slide.is-active {
  opacity: 1;
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 0;
  background: rgba(255, 255, 255, 0.9);
  color: var(--text);
  cursor: pointer;
  transform: translateY(-50%);
  z-index: 2;
}

.carousel-prev {
  left: 12px;
}

.carousel-next {
  right: 12px;
}

.carousel-dots {
  position: absolute;
  right: 0;
  bottom: 14px;
  left: 0;
  display: flex;
  justify-content: center;
  gap: 8px;
  z-index: 2;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #a9a9a9;
  cursor: pointer;
}

.carousel-dot.is-active {
  background: #111;
}

.eyebrow,
.pretitle {
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.hero h1 {
  font-size: calc(clamp(1.7rem, 3.4vw, 3.5rem) - 5pt);
  line-height: 0.95;
  letter-spacing: -0.06em;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 18px;
}

.hero-lead {
  max-width: 700px;
  margin: 0 auto 26px;
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--muted);
}

.trust-signals {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.hero-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.btn-mega-cta {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: min(100%, 720px);
  padding: 18px 28px;
  min-height: 88px;
  font-size: clamp(1rem, 2vw, 1.4rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  border: 1px solid rgba(255, 255, 255, 0.7);
  background: linear-gradient(180deg, #171717 0%, #0d0d0d 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    inset 0 -1px 0 rgba(255, 255, 255, 0.08),
    0 12px 26px rgba(17, 17, 17, 0.18),
    0 0 0 1px rgba(255, 255, 255, 0.18);
  cursor: pointer;
  position: relative;
  transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.2s ease;
}

.btn-mega-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 999px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.24), 0 0 16px rgba(255, 255, 255, 0.14);
  animation: glowPulse 2.6s ease-in-out infinite;
  pointer-events: none;
}

.btn-mega-cta:hover {
  transform: translateY(-2px) scale(1.01);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.2),
    inset 0 -1px 0 rgba(255, 255, 255, 0.1),
    0 18px 30px rgba(17, 17, 17, 0.22),
    0 0 0 1px rgba(255, 255, 255, 0.18);
}

.btn-mega-cta:active {
  transform: translateY(0) scale(0.995);
  box-shadow:
    inset 0 2px 0 rgba(255, 255, 255, 0.12),
    0 8px 14px rgba(17, 17, 17, 0.14),
    0 0 0 1px rgba(255, 255, 255, 0.12);
}

.btn-mega-cta small {
  display: block;
  font-size: 0.68rem;
  font-weight: 500;
  opacity: 0.95;
}

@keyframes glowPulse {
  0%, 100% {
    opacity: 0.55;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.01);
  }
}

.btn-whatsapp {
  padding: 15px 24px;
  font-size: 0.96rem;
  font-weight: 700;
  gap: 8px;
  background: #187a3e;
  color: #fff;
  line-height: 1.35;
}

.glutathione-section {
  padding: 48px 5% 58px;
  background: var(--soft);
  scroll-margin-top: 150px;
}

.glutathione-inner {
  max-width: 1180px;
  margin: 0 auto;
}

.glutathione-inner > h2 {
  margin-bottom: 32px;
  color: var(--text);
  font-size: 2.5rem;
  line-height: 1.1;
  font-weight: 500;
  text-align: center;
}

.glutathione-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 960px;
  margin: 0 auto;
  gap: 14px;
}

.glutathione-card,
.glutathione-photo {
  min-width: 0;
  min-height: 224px;
  overflow: hidden;
  border-radius: 8px;
}

.glutathione-card {
  aspect-ratio: 1 / 0.9;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 22px;
  background: #eef0f2;
  color: var(--text);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.glutathione-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 18px var(--shadow);
}

.glutathione-card-dark {
  background: #082f40;
  color: #fff;
}

.glutathione-card-bluegray {
  background: #d4dce2;
  color: #111;
}

.glutathione-card-charcoal {
  background: #34383c;
  color: #fff;
}

.glutathione-card-molecule {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background-color: #082f40;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  color: #fff;
}

.glutathione-card-molecule::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  background: linear-gradient(180deg, rgba(4, 20, 31, 0.48), rgba(4, 20, 31, 0.82));
  content: "";
}

.glutathione-card-molecule-a {
  background-image: url("img/molecula 1.jpg");
}

.glutathione-card-molecule-b {
  background-image: url("img/molecula 2.jpg");
}

.glutathione-card h3 {
  margin-bottom: 18px;
  font-size: 1.08rem;
  line-height: 1.2;
  font-weight: 600;
}

.glutathione-card p {
  font-size: 0.9rem;
  line-height: 1.35;
  text-align: justify;
}

.glutathione-photo {
  margin: 0;
  background: #e8e8e8;
}

.glutathione-photo img {
  width: 100%;
  height: 100%;
  min-height: 224px;
  display: block;
  object-fit: contain;
  padding: 18px;
  background: #eef0f2;
}

@media (max-width: 960px) {
  .glutathione-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.target-segments {
  background: var(--soft);
  padding: 62px 5% 60px;
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 36px;
  text-align: center;
}

.section-heading h2,
.science-copy h2,
.crm-box h2 {
  color: var(--text);
  font-size: clamp(1.8rem, 2.8vw, 2.8rem);
  line-height: 1.05;
  letter-spacing: -0.05em;
  font-weight: 500;
  margin-bottom: 12px;
}

.section-subtitle,
.science-copy p,
.crm-box p {
  color: var(--muted);
  font-size: 1rem;
}

.grid-segments {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
}

.segment-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 26px 20px;
  box-shadow: 0 8px 18px var(--shadow);
}

.segment-card .icon {
  font-size: 1.8rem;
  margin-bottom: 10px;
}

.segment-card h3 {
  color: var(--text);
  font-size: 1.24rem;
  margin-bottom: 8px;
  letter-spacing: -0.04em;
  font-weight: 500;
}

.segment-card p {
  color: var(--muted);
  font-size: 0.92rem;
}

.science-zone {
  max-width: 1180px;
  margin: 0 auto;
  padding: 68px 5% 24px;
}

.science-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: center;
}

.science-grid-copy {
  grid-template-columns: minmax(0, 1fr);
}

.science-copy {
  max-width: 900px;
  padding: 10px 0;
}

.science-copy p {
  margin-bottom: 16px;
}

.patents-section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px 5% 68px;
  border-top: 1px solid var(--line);
}

.patents-heading {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: start;
  gap: 28px;
  margin-bottom: 38px;
}

.patents-heading h2 {
  color: var(--text);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.05;
  font-weight: 500;
}

.patents-heading p {
  max-width: 510px;
  color: var(--muted);
  font-size: 1rem;
}

.patents-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px 20px;
}

.patent-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 145px;
  padding: 0 8px 2px 18px;
  border-left: 1px solid var(--text);
  transition: border-color 0.2s ease, opacity 0.45s ease, transform 0.45s ease;
}

.patent-card::before,
.patent-card::after {
  position: absolute;
  left: -3px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--text);
  content: "";
}

.patent-card::before { top: 0; }
.patent-card::after { bottom: 0; }

.patent-card:hover {
  border-color: var(--muted);
}

.patent-card p {
  color: var(--text);
  font-size: 0.92rem;
  line-height: 1.3;
}

.patent-card .patent-number {
  margin-top: auto;
  padding-top: 14px;
  font-weight: 500;
  overflow-wrap: anywhere;
  text-transform: uppercase;
}

.patents-section.is-ready:not(.is-visible) .patent-card {
  opacity: 0;
  transform: translateY(14px);
}

.patents-section.is-visible .patent-card {
  opacity: 1;
  transform: translateY(0);
}

.patents-grid .patent-card:nth-child(2) { transition-delay: 0.05s; }
.patents-grid .patent-card:nth-child(3) { transition-delay: 0.1s; }
.patents-grid .patent-card:nth-child(4) { transition-delay: 0.15s; }
.patents-grid .patent-card:nth-child(5) { transition-delay: 0.2s; }
.patents-grid .patent-card:nth-child(6) { transition-delay: 0.25s; }
.patents-grid .patent-card:nth-child(7) { transition-delay: 0.3s; }
.patents-grid .patent-card:nth-child(8) { transition-delay: 0.35s; }

.history-section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 54px 5% 70px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 150px;
}

.history-layout {
  display: grid;
  grid-template-columns: minmax(220px, 0.9fr) minmax(0, 1.1fr);
  align-items: start;
  gap: clamp(28px, 5vw, 72px);
}

.history-layout > h2 {
  max-width: 380px;
  color: var(--text);
  font-size: 2.75rem;
  line-height: 1.08;
  font-weight: 500;
}

.history-timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
}

.history-timeline::before {
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 111px;
  width: 1px;
  background: var(--text);
  content: "";
}

.history-item {
  display: grid;
  grid-template-columns: 90px 18px minmax(0, 1fr);
  column-gap: 12px;
  align-items: start;
  padding-bottom: 34px;
}

.history-item:last-child {
  padding-bottom: 0;
}

.history-year {
  color: var(--text);
  font-size: 2rem;
  line-height: 1;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.history-marker {
  z-index: 1;
  width: 8px;
  height: 8px;
  margin: 7px auto 0;
  border-radius: 50%;
  background: #8ab4f8;
}

.history-entry {
  min-width: 0;
}

.history-entry h3 {
  margin-bottom: 14px;
  color: var(--text);
  font-size: 1.05rem;
  line-height: 1.3;
  font-weight: 600;
}

.history-entry p {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.4;
  text-align: justify;
  overflow-wrap: anywhere;
}

@media (prefers-reduced-motion: reduce) {
  .patent-card,
  .patents-section.is-ready:not(.is-visible) .patent-card {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

.science-copy ul {
  list-style: none;
  display: grid;
  gap: 8px;
  color: var(--text);
  font-weight: 600;
}

.science-copy li::before {
  content: "✓";
  color: var(--text);
  margin-right: 10px;
}

.science-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 12px 14px 0;
  box-shadow: 0 10px 20px var(--shadow);
}

.mini-stat {
  padding: 16px 8px;
  border-bottom: 1px solid var(--line);
}

.mini-stat:last-child {
  border-bottom: none;
}

.mini-stat strong {
  display: block;
  color: var(--text);
  font-size: 1.08rem;
  margin-bottom: 4px;
  font-weight: 600;
}

.mini-stat span {
  color: var(--muted);
  font-size: 0.9rem;
}

.crm-section {
  padding: 22px 5% 70px;
}

.crm-box {
  max-width: 820px;
  margin: 0 auto;
  padding: 32px 24px;
  text-align: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
}

.btn-secondary {
  margin-top: 20px;
  background: var(--button);
  color: var(--button-text);
  padding: 12px 22px;
  font-weight: 700;
  border-radius: 999px;
}

.crm-box .btn-whatsapp {
  background: #187a3e;
  color: #fff;
}

footer {
  background: #141414;
  color: #d8d8d8;
  padding: 28px 5%;
  text-align: center;
}

footer p {
  max-width: 1000px;
  margin: 0 auto;
}

.disclaimer {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.72rem;
  line-height: 1.5;
  color: #b8b8b8;
}

@media (max-width: 768px) {
  header {
    padding: 6px 10px 0;
  }

  .nav-container {
    gap: 6px;
  }

  .nav-topline {
    min-height: 54px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .nav-menu {
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
  }

  .register-link,
  .meta-link,
  nav a,
  .lang-link {
    font-size: 0.72rem;
  }

  .consultor-banner-wrap {
    flex: 1 1 100%;
    max-width: 100%;
    min-width: 0;
    padding: 0;
    margin-top: 0;
  }

  .consultor-banner-box {
    width: 50%;
  }

  .consultor-banner {
    width: 100%;
  }

  .patrocinador-tag {
    font-size: 0.62rem;
    letter-spacing: 0.06em;
  }

  .header-meta {
    min-width: 0;
    width: auto;
    flex: 0 0 auto;
    justify-content: center;
  }

  .whatsapp-link {
    gap: 6px;
  }

  .whatsapp-icon {
    width: 22px;
    height: 22px;
  }

  nav {
    justify-content: center;
    gap: 8px 12px;
    flex-wrap: wrap;
  }

  .btn-nav {
    padding: 8px 14px;
    font-size: 0.72rem;
  }

  .hero {
    padding-top: 18px;
    padding-bottom: 28px;
  }

  .hero-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .product-carousel {
    width: min(100%, 420px);
    margin: 0 auto;
  }

  .hero-layout .hero-content {
    text-align: center;
  }

  .glutathione-grid {
    grid-template-columns: minmax(0, 1fr);
    max-width: 300px;
  }

  .glutathione-inner > h2 {
    font-size: 2rem;
  }

  .glutathione-card,
  .glutathione-photo,
  .glutathione-photo img {
    min-height: 210px;
  }

  .hero h1 {
    font-size: calc(clamp(2.2rem, 11vw, 3.2rem) - 5pt);
  }

  .hero-lead {
    font-size: 0.98rem;
  }

  .btn-mega-cta {
    width: 100%;
    max-width: 100%;
    padding-left: 18px;
    padding-right: 18px;
  }

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

  .patents-heading {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-bottom: 28px;
  }

  .patents-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .history-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .history-layout > h2 {
    max-width: none;
    font-size: 2.25rem;
  }

  .history-timeline::before {
    left: 78px;
  }

  .history-item {
    grid-template-columns: 62px 16px minmax(0, 1fr);
    column-gap: 8px;
    padding-bottom: 28px;
  }

  .history-year {
    font-size: 1.35rem;
  }

  .history-entry h3 {
    margin-bottom: 9px;
  }

  .history-entry p {
    font-size: 0.88rem;
  }

  .crm-box {
    padding-left: 18px;
    padding-right: 18px;
  }
}