:root {
  --bg: #05080f;
  --bg-elevated: #0b1220;
  --bg-soft: #101a2c;
  --ink: #eef3fb;
  --ink-soft: #a8b4c8;
  --muted: #7b879c;
  --line: rgba(174, 198, 230, 0.12);
  --cyan: #00aeef;
  --cyan-bright: #3dd4ff;
  --cyan-dim: rgba(0, 174, 239, 0.14);
  --signal: #ff7a3d;
  --signal-soft: rgba(255, 122, 61, 0.16);
  --ok: #3dffa8;
  --whatsapp: #1fad57;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.45);
  --font-display: "Syne", sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --max: 1120px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --radius: 18px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

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

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

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* —— Ambient —— */
.ambient {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.ambient__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 174, 239, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 174, 239, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, #000 20%, transparent 75%);
  opacity: 0.55;
}

.ambient__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
}

.ambient__orb--a {
  width: 42vw;
  height: 42vw;
  top: -12%;
  left: -8%;
  background: radial-gradient(circle, rgba(0, 174, 239, 0.28), transparent 70%);
  animation: drift 18s var(--ease) infinite alternate;
}

.ambient__orb--b {
  width: 36vw;
  height: 36vw;
  right: -10%;
  top: 18%;
  background: radial-gradient(circle, rgba(255, 122, 61, 0.16), transparent 70%);
  animation: drift 22s var(--ease) infinite alternate-reverse;
}

.ambient__flow {
  position: absolute;
  inset: auto 0 -20% 0;
  height: 50%;
  background:
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(0, 174, 239, 0.12), transparent 70%);
}

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(4%, 6%, 0) scale(1.08);
  }
}

.scroll-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 80;
  height: 3px;
  pointer-events: none;
}

.scroll-progress span {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--cyan), var(--signal));
  transform-origin: left;
}

/* —— Brand —— */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: 1.15rem;
}

.brand__text span {
  color: var(--cyan-bright);
}

.brand__logo {
  width: 2.35rem;
  height: 2.35rem;
  object-fit: contain;
  flex-shrink: 0;
  filter: drop-shadow(0 0 18px rgba(0, 174, 239, 0.35));
}

.brand--sm {
  font-size: 1rem;
}

.brand--sm .brand__logo {
  width: 1.75rem;
  height: 1.75rem;
}

/* —— Nav —— */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(5, 8, 15, 0.72);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.nav.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(5, 8, 15, 0.88);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.25rem;
  gap: 1rem;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav__links a {
  font-size: 0.92rem;
  color: var(--ink-soft);
  transition: color 0.2s var(--ease);
}

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

.nav__cta {
  padding: 0.55rem 1rem;
  border-radius: 999px;
  background: var(--cyan-dim);
  color: var(--cyan-bright) !important;
  border: 1px solid rgba(0, 174, 239, 0.35);
}

.nav__toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  place-items: center;
  gap: 6px;
  flex-direction: column;
}

.nav__toggle span {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: var(--ink);
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}

.nav.is-open .nav__toggle span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.nav.is-open .nav__toggle span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease),
    box-shadow 0.2s var(--ease);
}

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

.btn--primary {
  background: var(--cyan);
  color: #031018;
  box-shadow: 0 12px 40px rgba(0, 174, 239, 0.28);
}

.btn--primary:hover {
  background: var(--cyan-bright);
}

.btn--ghost {
  border-color: var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.03);
}

.btn--ghost:hover {
  border-color: rgba(0, 174, 239, 0.45);
  background: var(--cyan-dim);
}

.btn--lg {
  padding: 1rem 1.6rem;
  font-size: 1.02rem;
}

/* —— Hero —— */
.hero {
  position: relative;
  min-height: min(100dvh, 920px);
  display: grid;
  align-items: end;
  padding: 5.5rem 0 4.5rem;
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__media::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 70% at 70% 35%, rgba(0, 174, 239, 0.18), transparent 55%),
    linear-gradient(180deg, transparent 40%, var(--bg) 92%);
}

.hero__panel {
  position: absolute;
  right: max(1rem, calc((100% - var(--max)) / 2));
  top: 18%;
  width: min(420px, 42vw);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(11, 18, 32, 0.72);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
  overflow: hidden;
  animation: rise-in 1s var(--ease) both;
}

.hero__panel-top {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
}

.dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: #3a4558;
}

.dot:nth-child(1) {
  background: #ff5f57;
}
.dot:nth-child(2) {
  background: #febc2e;
}
.dot:nth-child(3) {
  background: #28c840;
}

.hero__panel-label {
  margin-left: auto;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero__code {
  padding: 1.15rem 1.25rem 1.35rem;
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.hero__code p {
  opacity: 0;
  transform: translateY(8px);
  animation: line-in 0.55s var(--ease) forwards;
}

.hero__code p:nth-child(1) {
  animation-delay: 0.35s;
}
.hero__code p:nth-child(2) {
  animation-delay: 0.55s;
}
.hero__code p:nth-child(3) {
  animation-delay: 0.75s;
}
.hero__code p:nth-child(4) {
  animation-delay: 0.95s;
}
.hero__code p:nth-child(5) {
  animation-delay: 1.15s;
}

.c-muted {
  color: var(--muted);
}
.c-key {
  color: var(--cyan-bright);
}
.c-val {
  color: var(--ink);
}
.c-ok {
  color: var(--ok);
}

.hero__code-ok {
  margin-top: 0.65rem;
  color: var(--ok);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  padding-bottom: 0.5rem;
  animation: rise-in 0.9s var(--ease) both;
}

.hero__brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  margin-bottom: 1.1rem;
}

.hero__logo {
  width: clamp(7.5rem, 22vw, 11.5rem);
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 12px 40px rgba(0, 174, 239, 0.35));
  animation: logo-pulse 4.5s var(--ease) infinite;
}

.hero__wordmark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.4rem, 10vw, 6.4rem);
  line-height: 0.92;
  letter-spacing: -0.05em;
  background: linear-gradient(105deg, #fff 10%, var(--cyan-bright) 45%, #7b5cff 78%, #c026ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

@keyframes logo-pulse {
  0%,
  100% {
    filter: drop-shadow(0 12px 40px rgba(0, 174, 239, 0.35));
    transform: translateY(0);
  }
  50% {
    filter: drop-shadow(0 16px 48px rgba(147, 51, 234, 0.35));
    transform: translateY(-4px);
  }
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.45rem, 3.2vw, 2.05rem);
  line-height: 1.2;
  letter-spacing: -0.03em;
  max-width: 18ch;
  margin-bottom: 1rem;
}

.hero__lead {
  color: var(--ink-soft);
  font-size: 1.05rem;
  max-width: 38ch;
  margin-bottom: 1.75rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes line-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* —— Marquee strip —— */
.strip {
  border-block: 1px solid var(--line);
  background: rgba(0, 174, 239, 0.04);
  overflow: hidden;
  padding: 0.95rem 0;
}

.strip__track {
  display: flex;
  gap: 1.25rem;
  width: max-content;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
  animation: marquee 32s linear infinite;
}

.strip__track span[aria-hidden="true"] {
  color: var(--cyan);
}

@keyframes marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

/* —— Sections —— */
.section {
  padding: 5.5rem 0;
}

.section__head {
  max-width: 640px;
  margin-bottom: 2.75rem;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 0.75rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan-bright);
}

.section__head h2,
.about__copy h2,
.cta h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  letter-spacing: -0.035em;
  line-height: 1.12;
  margin-bottom: 0.85rem;
}

.section__sub {
  color: var(--ink-soft);
  font-size: 1.05rem;
  max-width: 48ch;
}

/* —— Services —— */
.services {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.service {
  background: var(--bg-elevated);
  padding: 1.75rem 1.6rem 1.9rem;
  transition: background 0.25s var(--ease);
}

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

.service__num {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--cyan);
  margin-bottom: 1rem;
  letter-spacing: 0.04em;
}

.service h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.55rem;
}

.service p {
  color: var(--ink-soft);
  font-size: 0.98rem;
}

/* —— Products —— */
.section--systems {
  background:
    radial-gradient(ellipse 50% 40% at 0% 50%, rgba(0, 174, 239, 0.08), transparent 60%),
    radial-gradient(ellipse 40% 35% at 100% 20%, rgba(255, 122, 61, 0.06), transparent 55%);
}

.products {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 1.25rem;
}

.product {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem 1.6rem 1.85rem;
  background: rgba(11, 18, 32, 0.85);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.product:hover {
  border-color: rgba(0, 174, 239, 0.4);
  transform: translateY(-3px);
}

.product--featured {
  grid-row: span 2;
  background:
    linear-gradient(165deg, rgba(0, 174, 239, 0.12), transparent 45%),
    rgba(11, 18, 32, 0.92);
  border-color: rgba(0, 174, 239, 0.35);
  padding: 2rem 1.85rem;
}

.product__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.product__tag,
.product__status {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
}

.product__tag {
  background: var(--cyan-dim);
  color: var(--cyan-bright);
}

.product__status {
  background: rgba(61, 255, 168, 0.1);
  color: var(--ok);
}

.product__name {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3vw, 2.1rem);
  letter-spacing: -0.03em;
}

.product__pitch {
  color: var(--ink-soft);
  font-size: 1.02rem;
}

.product__features {
  display: grid;
  gap: 0.55rem;
  margin: 0.25rem 0 0.5rem;
  flex: 1;
}

.product__features li {
  position: relative;
  padding-left: 1.2rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.product__features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(0, 174, 239, 0.55);
}

.product .btn {
  align-self: flex-start;
  margin-top: auto;
}

.product__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: auto;
}

.product__actions .btn {
  margin-top: 0;
}

/* —— Process —— */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  counter-reset: none;
}

.step {
  display: grid;
  gap: 1rem;
  padding-top: 0.25rem;
  border-top: 2px solid rgba(0, 174, 239, 0.35);
}

.step__n {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2rem;
  color: var(--cyan);
  letter-spacing: -0.04em;
  line-height: 1;
}

.step h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
}

.step p {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* —— About —— */
.section--about {
  border-block: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.015);
}

.about {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 2.5rem;
  align-items: start;
}

.about__copy p + p {
  margin-top: 1rem;
}

.about__copy p {
  color: var(--ink-soft);
  font-size: 1.05rem;
  max-width: 52ch;
}

.about__copy strong {
  color: var(--ink);
  font-weight: 600;
}

.about__panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem 1.4rem;
  background:
    linear-gradient(160deg, var(--signal-soft), transparent 50%),
    var(--bg-elevated);
}

.about__panel h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.about__panel li {
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.about__panel li:last-child {
  border-bottom: 0;
}

/* —— FAQ —— */
.section--faq {
  padding-bottom: 2rem;
}

.faq {
  display: grid;
  gap: 0.75rem;
  max-width: 760px;
  margin: 2rem auto 0;
}

.faq__item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  overflow: hidden;
}

.faq__item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.1rem 1.25rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.faq__item summary::-webkit-details-marker {
  display: none;
}

.faq__item summary::after {
  content: "+";
  flex-shrink: 0;
  color: var(--cyan-bright);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1;
}

.faq__item[open] summary::after {
  content: "–";
}

.faq__item p {
  padding: 0 1.25rem 1.2rem;
  color: var(--ink-soft);
  font-size: 0.98rem;
  max-width: 62ch;
}

/* —— CTA —— */
.section--cta {
  padding-bottom: 6rem;
}

.cta {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  padding: 3rem 1.5rem;
  border-radius: calc(var(--radius) + 6px);
  border: 1px solid rgba(0, 174, 239, 0.28);
  background:
    radial-gradient(ellipse 70% 80% at 50% 0%, rgba(0, 174, 239, 0.16), transparent 60%),
    var(--bg-elevated);
}

.cta .eyebrow {
  margin-bottom: 0.85rem;
}

.cta__lead {
  color: var(--ink-soft);
  font-size: 1.08rem;
  max-width: 40ch;
  margin: 0 auto 1.75rem;
}

.cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.cta__note {
  color: var(--muted);
  font-size: 0.9rem;
}

.cta__note a {
  color: var(--cyan-bright);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* —— Footer —— */
.footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 0 5.5rem;
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer__top:hover {
  color: var(--cyan-bright);
}

/* —— FAB —— */
.fab-whatsapp {
  position: fixed;
  right: 1.15rem;
  bottom: 1.15rem;
  z-index: 60;
  width: 3.4rem;
  height: 3.4rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--whatsapp);
  color: #fff;
  box-shadow: 0 12px 32px rgba(31, 173, 87, 0.4);
  transition: transform 0.2s var(--ease);
}

.fab-whatsapp:hover {
  transform: scale(1.06);
}

/* —— Reveal —— */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

/* —— Responsive —— */
@media (max-width: 960px) {
  .hero__panel {
    width: min(360px, 48vw);
    top: 14%;
    opacity: 0.9;
  }

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

  .product--featured {
    grid-row: auto;
  }

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

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

@media (max-width: 760px) {
  .nav__toggle {
    display: grid;
  }

  .nav__links {
    position: absolute;
    inset: 100% 0 auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem 1rem 1.1rem;
    background: rgba(5, 8, 15, 0.96);
    border-bottom: 1px solid var(--line);
  }

  .nav.is-open .nav__links {
    display: flex;
  }

  .nav__links a {
    padding: 0.85rem 0.4rem;
    border-bottom: 1px solid var(--line);
  }

  .nav__cta {
    margin-top: 0.5rem;
    text-align: center;
    border-bottom: 0 !important;
  }

  .hero {
    min-height: auto;
    padding: 4.5rem 0 3.25rem;
    align-items: start;
  }

  .hero__panel {
    position: relative;
    right: auto;
    top: auto;
    width: min(100% - 2rem, 420px);
    margin: 0 auto 2rem;
  }

  .hero__media {
    position: relative;
    inset: auto;
  }

  .hero__media::before {
    display: none;
  }

  .hero__brand {
    align-items: center;
    text-align: center;
    width: 100%;
  }

  .hero__wordmark {
    font-size: clamp(3rem, 16vw, 4.5rem);
  }

  .hero__content {
    max-width: none;
    text-align: center;
  }

  .hero__title {
    max-width: none;
    margin-inline: auto;
  }

  .hero__lead {
    margin-inline: auto;
  }

  .hero__actions {
    justify-content: center;
  }

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

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

  .section {
    padding: 4rem 0;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

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