:root {
  --bg: #08090d;
  --panel: #10131b;
  --panel-2: #171b25;
  --text: #f7f8fb;
  --muted: #aeb6c7;
  --soft: #dfe5ef;
  --line: rgba(255, 255, 255, 0.12);
  --dark-line: rgba(10, 12, 18, 0.1);
  --wa: #25d366;
  --wb-1: #cb11ab;
  --wb-2: #8f22d6;
  --cyan: #25d8ff;
  --violet: #8b5cf6;
  --pink: #ff4fbd;
  --radius: 22px;
  --radius-sm: 14px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
  --container: 1180px;
  --duration-instant: 80ms;
  --duration-fast: 140ms;
  --duration-normal: 240ms;
  --duration-slow: 420ms;
  --duration-section: 640ms;
  --ease-standard: cubic-bezier(0.2, 0, 0, 1);
  --ease-emphasized: cubic-bezier(0.2, 0, 0, 1);
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 6%, rgba(139, 92, 246, 0.22), transparent 26rem),
    radial-gradient(circle at 84% 18%, rgba(37, 216, 255, 0.14), transparent 24rem),
    linear-gradient(180deg, #08090d 0%, #0b0d14 52%, #f6f7fb 52%, #f6f7fb 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  text-rendering: optimizeLegibility;
}

body.menu-open,
body.lightbox-open {
  overflow: hidden;
}

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

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

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

:focus-visible {
  outline: 3px solid rgba(37, 216, 255, 0.9);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: #091017;
  background: #fff;
  border-radius: 999px;
  transform: translateY(-150%);
  transition: transform var(--duration-normal) var(--ease-standard);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 60;
  top: 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 18px max(18px, calc((100vw - var(--container)) / 2));
  background: rgba(8, 9, 13, 0.56);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: padding var(--duration-normal) var(--ease-standard), box-shadow var(--duration-normal) var(--ease-standard), background var(--duration-normal) var(--ease-standard);
}

.site-header.is-scrolled {
  padding-top: 10px;
  padding-bottom: 10px;
  background: rgba(8, 9, 13, 0.78);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
}

.brand,
.header-actions,
.desktop-nav,
.hero__actions,
.trust-badges,
.inline-actions,
.mobile-menu__head,
.site-footer nav {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 900;
  letter-spacing: 0;
}

.brand__mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--pink), var(--violet), var(--cyan));
  border-radius: 12px;
  box-shadow: 0 10px 32px rgba(203, 17, 171, 0.32);
}

.desktop-nav {
  justify-content: center;
  gap: 22px;
  color: rgba(247, 248, 251, 0.78);
  font-size: 14px;
  font-weight: 750;
}

.desktop-nav a,
.site-footer a {
  position: relative;
}

.desktop-nav a::after,
.site-footer a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -6px;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--pink), var(--cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-normal) var(--ease-standard);
}

.desktop-nav a:hover::after,
.site-footer a:hover::after {
  transform: scaleX(1);
}

.header-actions {
  justify-content: end;
  gap: 10px;
}

.header-whatsapp,
.menu-toggle,
.menu-close {
  min-width: 44px;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.header-whatsapp {
  display: grid;
  place-items: center;
  color: #06130c;
  background: var(--wa);
  font-size: 12px;
  font-weight: 950;
}

.menu-toggle {
  display: none;
  place-items: center;
  gap: 4px;
}

.menu-toggle span {
  width: 18px;
  height: 2px;
  display: block;
  background: currentColor;
}

.mobile-menu {
  position: fixed;
  z-index: 80;
  inset: 0;
  display: grid;
  justify-items: end;
  background: rgba(0, 0, 0, 0);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-normal) var(--ease-standard), background var(--duration-normal) var(--ease-standard);
}

.mobile-menu.is-open {
  opacity: 1;
  pointer-events: auto;
  background: rgba(0, 0, 0, 0.5);
}

.mobile-menu__panel {
  width: min(420px, 92vw);
  height: 100%;
  padding: 18px;
  background: rgba(12, 14, 22, 0.96);
  border-left: 1px solid var(--line);
  transform: translateX(100%);
  transition: transform var(--duration-slow) var(--ease-emphasized);
}

.mobile-menu.is-open .mobile-menu__panel {
  transform: translateX(0);
}

.mobile-menu__head {
  justify-content: space-between;
}

.menu-close {
  padding: 0 16px;
}

.mobile-menu__nav,
.mobile-menu__cta {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.mobile-menu__nav a {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-size: 22px;
  font-weight: 850;
}

.hero,
.section,
.site-footer {
  width: min(var(--container), calc(100% - 36px));
  margin-inline: auto;
}

.hero {
  min-height: calc(100svh - 82px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.86fr);
  gap: clamp(28px, 5vw, 74px);
  align-items: center;
  padding: clamp(34px, 7vw, 92px) 0 clamp(64px, 9vw, 112px);
}

.eyebrow {
  margin: 0 0 14px;
  color: #90e8ff;
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 820px;
  margin-bottom: 20px;
  font-size: clamp(42px, 7vw, 82px);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  max-width: 780px;
  margin-bottom: 18px;
  font-size: clamp(30px, 4.8vw, 58px);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 19px;
  line-height: 1.1;
}

p {
  color: var(--muted);
  line-height: 1.65;
}

.hero__lead {
  max-width: 680px;
  font-size: clamp(17px, 2.1vw, 22px);
}

.hero__actions,
.inline-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 20px;
  border: 0;
  border-radius: 999px;
  font-weight: 950;
  line-height: 1;
  transition: transform var(--duration-fast) var(--ease-standard), box-shadow var(--duration-fast) var(--ease-standard), background var(--duration-fast) var(--ease-standard);
}

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

.btn:active {
  transform: translateY(0) scale(0.98);
}

.btn--whatsapp {
  color: #04150b;
  background: linear-gradient(135deg, #32ec7b, var(--wa));
  box-shadow: 0 18px 52px rgba(37, 211, 102, 0.28);
}

.btn--wb {
  color: #fff;
  background: linear-gradient(135deg, var(--wb-1), var(--wb-2));
  box-shadow: 0 18px 52px rgba(203, 17, 171, 0.3);
}

.btn--ghost {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--line);
}

.trust-badges {
  flex-wrap: wrap;
  gap: 9px;
  padding: 0;
  margin: 26px 0 0;
  list-style: none;
}

.trust-badges li {
  padding: 10px 13px;
  color: rgba(247, 248, 251, 0.9);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 850;
}

.hero__visual {
  position: relative;
  isolation: isolate;
  display: grid;
  place-items: center;
}

.hero__visual img {
  width: min(440px, 82vw);
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 34px;
  box-shadow: var(--shadow);
  animation: productFloat 5.8s var(--ease-standard) infinite;
}

.product-glow {
  position: absolute;
  z-index: -1;
  width: 78%;
  aspect-ratio: 1;
  background: conic-gradient(from 120deg, rgba(255, 79, 189, 0.7), rgba(37, 216, 255, 0.45), rgba(139, 92, 246, 0.66), rgba(255, 79, 189, 0.7));
  border-radius: 50%;
  filter: blur(46px);
  opacity: 0.6;
  animation: glowSweep 8s linear infinite;
}

.section {
  padding: clamp(62px, 9vw, 118px) 0;
}

.section-head {
  margin-bottom: 28px;
}

.use-cases,
.benefit-story,
.specs,
.kit,
.reviews,
.gallery,
.faq,
.final-cta {
  color: #111521;
}

.card-grid,
.spec-grid,
.kit-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.feature-card,
.spec-card,
.kit-card,
.review-card,
.faq-item,
.contact-card,
.before-after,
.gallery-main,
.gallery-thumb {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--dark-line);
  border-radius: var(--radius);
  box-shadow: 0 18px 54px rgba(14, 18, 28, 0.08);
}

.feature-card,
.spec-card,
.kit-card,
.review-card {
  padding: 22px;
  transition: transform var(--duration-normal) var(--ease-standard), border-color var(--duration-normal) var(--ease-standard), box-shadow var(--duration-normal) var(--ease-standard);
}

.feature-card:hover,
.spec-card:hover,
.kit-card:hover,
.review-card:hover {
  transform: translateY(-5px);
  border-color: rgba(203, 17, 171, 0.26);
  box-shadow: 0 24px 70px rgba(139, 92, 246, 0.13);
}

.feature-card span,
.kit-card span,
.spec-card span {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 28px;
  color: #fff;
  background: linear-gradient(135deg, var(--pink), var(--violet));
  border-radius: 14px;
  font-size: 12px;
  font-weight: 950;
}

.feature-card p,
.review-card p,
.final-cta p,
.benefit-story p {
  color: #596174;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(280px, 1fr);
  gap: clamp(22px, 5vw, 64px);
  align-items: center;
}

.before-after {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 14px;
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.9), rgba(240, 245, 255, 0.9)),
    linear-gradient(90deg, rgba(255, 79, 189, 0.16), rgba(37, 216, 255, 0.16));
}

.before-after div {
  min-height: 220px;
  display: grid;
  align-content: end;
  padding: 20px;
  border-radius: 18px;
}

.before-after div:first-child {
  background: linear-gradient(135deg, #d6dae5, #f3f4f7);
}

.before-after div:last-child {
  color: #fff;
  background: radial-gradient(circle at 50% 20%, rgba(37, 216, 255, 0.5), transparent 42%), linear-gradient(135deg, #10131b, #25204b);
}

.before-after span,
.spec-card span {
  color: var(--wb-1);
  font-size: 13px;
  font-weight: 950;
}

.before-after div:last-child span,
.before-after div:last-child p {
  color: #fff;
}

.spec-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.spec-card {
  min-height: 150px;
  display: grid;
  align-content: space-between;
}

.spec-card strong,
.kit-card strong {
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.15;
}

.kit-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.review-track {
  display: grid;
  grid-template-columns: repeat(5, minmax(220px, 1fr));
  gap: 14px;
}

.stars {
  color: var(--wb-1);
  font-weight: 950;
}

.review-card small {
  color: #7a8396;
  font-weight: 800;
}

.gallery-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(260px, 1.1fr);
  gap: 14px;
}

.gallery-main,
.gallery-thumb {
  overflow: hidden;
  padding: 0;
  border: 0;
}

.gallery-main img,
.gallery-thumb img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-standard);
}

.gallery-main:hover img,
.gallery-thumb:hover img {
  transform: scale(1.035);
}

.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  overflow: hidden;
}

.faq-item button {
  width: 100%;
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 22px;
  color: #101521;
  background: transparent;
  border: 0;
  text-align: left;
  font-weight: 950;
}

.faq-item button::after {
  content: "+";
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  flex: 0 0 32px;
  color: #fff;
  background: #101521;
  border-radius: 50%;
  transition: transform var(--duration-normal) var(--ease-standard);
}

.faq-item button[aria-expanded="true"]::after {
  transform: rotate(45deg);
}

.faq-panel {
  padding: 0 22px 22px;
}

.final-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 22px;
  align-items: stretch;
}

.final-cta__content,
.contact-card {
  padding: clamp(24px, 4vw, 44px);
  border-radius: 28px;
}

.final-cta__content {
  color: var(--text);
  background: radial-gradient(circle at 16% 10%, rgba(255, 79, 189, 0.3), transparent 24rem), linear-gradient(135deg, #10131b, #1a1833);
  box-shadow: var(--shadow);
}

.contact-card {
  display: grid;
  align-content: center;
  gap: 12px;
  font-style: normal;
}

.contact-card a {
  min-height: 48px;
  display: flex;
  align-items: center;
  padding: 12px 14px;
  color: #111521;
  background: #f7f8fb;
  border: 1px solid var(--dark-line);
  border-radius: 16px;
  font-weight: 850;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 20px;
  align-items: center;
  padding: 34px 0 110px;
  color: #111521;
}

.site-footer p {
  max-width: 420px;
  margin: 8px 0 0;
  color: #667085;
}

.site-footer nav {
  flex-wrap: wrap;
  gap: 16px;
}

.sticky-cta {
  position: fixed;
  z-index: 50;
  right: 16px;
  bottom: 16px;
  left: 16px;
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 10px;
  background: rgba(8, 9, 13, 0.76);
  border: 1px solid var(--line);
  border-radius: 24px;
  backdrop-filter: blur(18px);
}

.lightbox {
  position: fixed;
  z-index: 90;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(3, 5, 8, 0.82);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-normal) var(--ease-standard);
}

.lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox__dialog {
  position: relative;
  width: min(520px, 100%);
  transform: translateY(14px) scale(0.98);
  transition: transform var(--duration-normal) var(--ease-standard);
}

.lightbox.is-open .lightbox__dialog {
  transform: none;
}

.lightbox img {
  width: 100%;
  max-height: 86svh;
  object-fit: contain;
  border-radius: 24px;
}

.lightbox__close,
.lightbox__nav {
  position: absolute;
  z-index: 2;
  display: grid;
  place-items: center;
  color: #fff;
  background: rgba(10, 13, 20, 0.72);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.lightbox__close {
  top: 10px;
  right: 10px;
  width: 44px;
  height: 44px;
  font-size: 26px;
}

.lightbox__nav {
  top: 50%;
  width: 46px;
  height: 58px;
  transform: translateY(-50%);
  font-size: 38px;
}

.lightbox__nav--prev {
  left: 10px;
}

.lightbox__nav--next {
  right: 10px;
}

.toast {
  position: fixed;
  z-index: 100;
  right: 18px;
  bottom: 94px;
  max-width: min(340px, calc(100vw - 36px));
  padding: 14px 16px;
  color: #061017;
  background: #fff;
  border-radius: 18px;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity var(--duration-normal) var(--ease-standard), transform var(--duration-normal) var(--ease-standard);
}

.toast.is-visible {
  opacity: 1;
  transform: none;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--duration-section) var(--ease-standard), transform var(--duration-section) var(--ease-standard);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.hero-step:nth-child(2) {
  transition-delay: 80ms;
}

.hero-step:nth-child(3) {
  transition-delay: 160ms;
}

.hero-step:nth-child(4) {
  transition-delay: 240ms;
}

.hero-step:nth-child(5) {
  transition-delay: 320ms;
}

@keyframes productFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

@keyframes glowSweep {
  to {
    transform: rotate(1turn);
  }
}

@media (max-width: 980px) {
  .desktop-nav {
    display: none;
  }

  .menu-toggle {
    display: grid;
  }

  .site-header {
    grid-template-columns: 1fr auto;
  }

  .hero,
  .split,
  .final-cta,
  .gallery-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero__visual {
    order: -1;
  }

  .hero__visual img {
    width: min(360px, 78vw);
  }

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

  .review-track {
    display: flex;
    overflow-x: auto;
    padding-bottom: 10px;
    scroll-snap-type: x mandatory;
  }

  .review-card {
    min-width: min(82vw, 320px);
    scroll-snap-align: start;
  }
}

@media (max-width: 640px) {
  .hero,
  .section,
  .site-footer {
    width: min(100% - 28px, var(--container));
  }

  .site-header {
    padding-inline: 14px;
  }

  h1 {
    font-size: 40px;
  }

  .hero__actions,
  .inline-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .card-grid,
  .spec-grid,
  .kit-grid,
  .gallery-thumbs,
  .before-after {
    grid-template-columns: 1fr;
  }

  .snap-on-mobile {
    display: flex;
    overflow-x: auto;
    padding-bottom: 10px;
    scroll-snap-type: x mandatory;
  }

  .snap-on-mobile .feature-card {
    min-width: 82vw;
    scroll-snap-align: start;
  }

  .sticky-cta {
    display: grid;
  }

  .site-footer {
    grid-template-columns: 1fr;
    padding-bottom: 122px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}