:root {
  --bg: #09111f;
  --bg-soft: #101b2f;
  --surface: rgba(13, 21, 39, 0.78);
  --surface-strong: rgba(11, 18, 34, 0.95);
  --line: rgba(143, 177, 255, 0.14);
  --line-strong: rgba(143, 177, 255, 0.28);
  --text: #eef4ff;
  --muted: #9aabc9;
  --accent: #59e1ff;
  --accent-2: #7f6dff;
  --accent-3: #9dffb3;
  --shadow: 0 30px 70px rgba(1, 8, 20, 0.45);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --max-width: 1220px;
  --glass: rgba(255, 255, 255, 0.03);
  --glass-strong: rgba(255, 255, 255, 0.04);
  --panel-a: rgba(16, 27, 47, 0.96);
  --panel-b: rgba(8, 14, 28, 0.96);
  --grid-line: rgba(114, 145, 230, 0.04);
  --header-bg: linear-gradient(180deg, rgba(6, 12, 24, 0.88), rgba(6, 12, 24, 0.45));
  --header-bg-scrolled: linear-gradient(180deg, rgba(6, 12, 24, 0.96), rgba(6, 12, 24, 0.72));
  --page-bg:
    radial-gradient(circle at top left, rgba(127, 109, 255, 0.22), transparent 30%),
    radial-gradient(circle at 80% 18%, rgba(89, 225, 255, 0.14), transparent 22%),
    radial-gradient(circle at 50% 100%, rgba(157, 255, 179, 0.08), transparent 26%),
    linear-gradient(180deg, #060c18 0%, #09111f 45%, #070d17 100%);
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: #f5f7fd;
  --bg-soft: #eef1fb;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-strong: rgba(255, 255, 255, 0.92);
  --line: rgba(30, 41, 59, 0.1);
  --line-strong: rgba(30, 41, 59, 0.2);
  --text: #101828;
  --muted: #51607a;
  --accent: #0891b2;
  --accent-2: #6a4bff;
  --accent-3: #178a4c;
  --shadow: 0 30px 70px rgba(15, 23, 42, 0.12);
  --glass: rgba(15, 23, 42, 0.035);
  --glass-strong: rgba(15, 23, 42, 0.055);
  --panel-a: rgba(255, 255, 255, 0.92);
  --panel-b: rgba(238, 242, 255, 0.94);
  --grid-line: rgba(30, 41, 59, 0.05);
  --header-bg: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.55));
  --header-bg-scrolled: linear-gradient(180deg, rgba(255, 255, 255, 0.97), rgba(255, 255, 255, 0.82));
  --page-bg:
    radial-gradient(circle at top left, rgba(127, 109, 255, 0.14), transparent 30%),
    radial-gradient(circle at 80% 18%, rgba(8, 145, 178, 0.12), transparent 22%),
    radial-gradient(circle at 50% 100%, rgba(23, 138, 76, 0.08), transparent 26%),
    linear-gradient(180deg, #fbfcff 0%, #f5f7fd 45%, #eef1fb 100%);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Manrope", sans-serif;
  background: var(--page-bg);
  background-size: 180% 180%;
  animation: auroraDrift 26s ease-in-out infinite;
  overflow-x: hidden;
  transition: background 320ms ease, color 320ms ease;
}

@keyframes auroraDrift {
  0%,
  100% {
    background-position: 0% 0%;
  }
  50% {
    background-position: 30% 20%;
  }
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 90%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(
    480px circle at var(--pointer-x, 50%) var(--pointer-y, 20%),
    rgba(89, 225, 255, 0.1),
    transparent 65%
  );
  transition: background 220ms ease-out;
}

.ambient-wrap {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  transition: transform 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

.ambient {
  position: absolute;
  border-radius: 999px;
  filter: blur(70px);
  pointer-events: none;
  opacity: 0.5;
  animation: drift 16s ease-in-out infinite;
}

.ambient-a {
  width: 20rem;
  height: 20rem;
  background: rgba(127, 109, 255, 0.32);
  top: 8%;
  left: -4rem;
}

.ambient-b {
  width: 24rem;
  height: 24rem;
  background: rgba(89, 225, 255, 0.2);
  top: 30%;
  right: -8rem;
  animation-duration: 22s;
}

.ambient-c {
  width: 16rem;
  height: 16rem;
  background: rgba(157, 255, 179, 0.16);
  bottom: 10%;
  left: 50%;
  animation-duration: 18s;
}

.ambient-d {
  width: 15rem;
  height: 15rem;
  background: rgba(255, 141, 195, 0.14);
  top: 55%;
  left: 8%;
  animation-duration: 20s;
  animation-direction: reverse;
}

.page-shell {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
  padding-bottom: 4rem;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 0;
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: var(--header-bg);
  transition: background 320ms ease;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.theme-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--glass-strong);
  color: var(--text);
  cursor: pointer;
  transition: transform 220ms ease, border-color 220ms ease, background 220ms ease;
}

.theme-toggle:hover {
  transform: translateY(-2px) rotate(12deg);
  border-color: var(--accent);
}

.theme-toggle svg {
  width: 1.15rem;
  height: 1.15rem;
}

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

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

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

.brand,
.site-nav a,
.project-link,
.demo-card a {
  text-decoration: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--text);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.brand-mark {
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 0.2rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 24px rgba(89, 225, 255, 0.42);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.96rem;
  transition: color 180ms ease;
}

.site-nav a:hover {
  color: var(--text);
}

.section {
  padding: 2rem 0;
}

.hero {
  padding-top: 2.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(320px, 0.82fr);
  gap: 1.3rem;
  align-items: stretch;
}

.hero-copy,
.terminal-card,
.proof-card,
.project-card,
.service-card,
.system-tile,
.demo-card,
.contact-card {
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero-copy {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 3vw, 2.8rem);
  background:
    radial-gradient(circle at 100% 0%, rgba(89, 225, 255, 0.18), transparent 25%),
    linear-gradient(160deg, var(--panel-a), var(--panel-b));
}

.hero-copy::after {
  content: "";
  position: absolute;
  inset: auto -8% -24% auto;
  width: 18rem;
  height: 18rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(127, 109, 255, 0.22), transparent 70%);
}

.eyebrow {
  margin: 0 0 1rem;
  font-family: "IBM Plex Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.74rem;
  color: var(--accent);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.04;
}

.hero h1 {
  font-size: clamp(3rem, 7vw, 6rem);
  max-width: 11ch;
  letter-spacing: -0.05em;
}

.gradient-text {
  background: linear-gradient(110deg, var(--accent), #ffffff 40%, var(--accent-2), var(--accent) 90%);
  background-size: 300% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradientShift 7s ease-in-out infinite;
}

@keyframes gradientShift {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  z-index: 50;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 12px rgba(89, 225, 255, 0.55);
  transition: width 90ms linear;
}

.site-header.is-scrolled {
  background: var(--header-bg-scrolled);
  box-shadow: 0 12px 30px rgba(1, 8, 20, 0.12);
}

.site-nav a.is-active {
  color: var(--text);
  position: relative;
}

.site-nav a.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.4rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.hero-text,
.section-heading p,
.proof-card p,
.project-description,
.systems-copy p,
.service-card p,
.contact-card p,
.demo-card p,
.project-points,
.metric-card span {
  color: var(--muted);
  line-height: 1.75;
}

.hero-actions,
.contact-actions,
.project-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.hero-actions {
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.1rem;
  padding: 0.9rem 1.3rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

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

.button-primary {
  background: linear-gradient(135deg, var(--accent), #4cb4ff);
  color: #031222;
}

.button-secondary {
  color: var(--text);
  border: 1px solid var(--line-strong);
  background: var(--glass);
}

.button-whatsapp {
  gap: 0.55rem;
  color: #04160f;
  background: linear-gradient(135deg, #25d366, #1fb855);
}

.whatsapp-fab {
  position: fixed;
  right: clamp(1.1rem, 3vw, 2rem);
  bottom: clamp(1.1rem, 3vw, 2rem);
  z-index: 40;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.6rem;
  height: 3.6rem;
  border-radius: 999px;
  color: #ffffff;
  background: linear-gradient(135deg, #25d366, #1fb855);
  box-shadow: 0 16px 34px rgba(15, 130, 75, 0.42);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.whatsapp-fab:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 20px 42px rgba(15, 130, 75, 0.55);
}

.whatsapp-fab-ping {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: rgba(37, 211, 102, 0.55);
  animation: whatsappPing 2.4s ease-out infinite;
}

@keyframes whatsappPing {
  0% {
    transform: scale(1);
    opacity: 0.65;
  }
  100% {
    transform: scale(1.7);
    opacity: 0;
  }
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 2rem;
}

.metric-card {
  border-radius: var(--radius-md);
  padding: 1rem;
  background: var(--glass);
  border: 1px solid var(--line);
}

.metric-card strong {
  display: block;
  font-size: 1.8rem;
  letter-spacing: -0.06em;
  color: var(--text);
}

.hero-showcase {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.terminal-card {
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(5, 11, 22, 0.96), rgba(8, 16, 30, 0.94));
  overflow: hidden;
}

.float-card {
  animation: floatCard 5.6s ease-in-out infinite;
}

.terminal-top {
  display: flex;
  gap: 0.5rem;
  padding: 0.95rem 1rem;
  border-bottom: 1px solid var(--line);
}

.terminal-top span {
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
}

.terminal-body {
  padding: 1.35rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.94rem;
  line-height: 1.9;
  color: #d8e6ff;
}

.terminal-body p {
  margin: 0;
}

.terminal-body span,
.terminal-accent {
  color: var(--accent-3);
}

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

.status-chip,
.stack-list span,
.project-badge {
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--glass-strong);
  color: var(--text);
  padding: 0.75rem 0.95rem;
}

.section-heading {
  display: grid;
  gap: 0.5rem;
  max-width: 48rem;
  margin-bottom: 1.4rem;
}

.section-heading h2,
.contact-card h2 {
  font-size: clamp(2.1rem, 4vw, 4rem);
  letter-spacing: -0.05em;
}

.proof-grid,
.services-grid,
.demo-grid {
  display: grid;
  gap: 1rem;
}

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

.services-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.proof-card,
.service-card,
.system-tile,
.demo-card {
  border-radius: var(--radius-lg);
  padding: 1.4rem;
  background: var(--surface);
  backdrop-filter: blur(14px);
}

.demo-card {
  padding: 0;
}

.demo-preview {
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.demo-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 520ms cubic-bezier(0.16, 1, 0.3, 1), filter 420ms ease;
  filter: saturate(0.92);
}

.demo-card:hover .demo-preview img {
  transform: scale(1.08);
  filter: saturate(1.05);
}

.demo-body {
  padding: 1.2rem 1.4rem 1.4rem;
}

.project-preview {
  overflow: hidden;
  border-radius: var(--radius-lg);
  margin-bottom: 1.1rem;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
}

.project-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 620ms cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .project-preview img {
  transform: scale(1.05);
}

.proof-card span {
  display: inline-flex;
  width: 2.3rem;
  height: 2.3rem;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(89, 225, 255, 0.1);
  color: var(--accent);
  font-family: "IBM Plex Mono", monospace;
  margin-bottom: 1rem;
}

.project-stack,
.systems-layout {
  display: grid;
  gap: 1rem;
}

.project-stack {
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
}

.project-grid {
  display: grid;
  gap: 1rem;
}

.project-card,
.contact-card {
  border-radius: var(--radius-xl);
  padding: 1.6rem;
  background: linear-gradient(180deg, var(--panel-a), var(--panel-b));
}

.featured-project {
  background:
    radial-gradient(circle at top right, rgba(89, 225, 255, 0.12), transparent 24%),
    linear-gradient(160deg, var(--panel-a), var(--panel-b));
}

.project-kind {
  margin: 0 0 0.85rem;
  font-family: "IBM Plex Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.74rem;
  color: var(--accent);
}

.project-header {
  margin-bottom: 0.9rem;
}

.project-header h3,
.service-card h3,
.proof-card h3,
.demo-card h3,
.system-tile span {
  font-size: 1.25rem;
}

.project-points {
  margin: 1rem 0 0;
  padding-left: 1.15rem;
}

.project-points li {
  margin: 0.4rem 0;
}

.project-footer {
  align-items: center;
  justify-content: space-between;
  margin-top: 1.3rem;
}

.project-link,
.demo-card a {
  color: var(--accent);
  font-weight: 700;
}

.systems-layout {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: start;
}

.systems-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.system-tile {
  min-height: 10rem;
  display: flex;
  align-items: end;
  background:
    linear-gradient(180deg, var(--glass), transparent 45%),
    linear-gradient(145deg, var(--panel-a), var(--panel-b));
}

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

.demo-card {
  position: relative;
  overflow: hidden;
  min-height: 13rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.demo-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(89, 225, 255, 0.09), transparent 48%);
  opacity: 0;
  transition: opacity 220ms ease;
}

.demo-card:hover::before {
  opacity: 1;
}

.demo-card > * {
  position: relative;
  z-index: 1;
}

.stack-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.contact-card {
  background:
    radial-gradient(circle at top right, rgba(127, 109, 255, 0.22), transparent 28%),
    radial-gradient(circle at bottom left, rgba(89, 225, 255, 0.14), transparent 24%),
    linear-gradient(160deg, var(--panel-a), var(--panel-b));
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 720ms ease, transform 720ms ease;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-46px);
  transition: opacity 820ms cubic-bezier(0.16, 1, 0.3, 1), transform 820ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-right {
  opacity: 0;
  transform: translateX(46px);
  transition: opacity 820ms cubic-bezier(0.16, 1, 0.3, 1) 120ms, transform 820ms cubic-bezier(0.16, 1, 0.3, 1) 120ms;
}

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

.typed-rotator {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.94rem;
  color: var(--accent-3);
}

.typed-rotator .typed-cursor {
  display: inline-block;
  width: 1px;
  height: 1em;
  background: currentColor;
  animation: blinkCursor 900ms steps(1) infinite;
}

@keyframes blinkCursor {
  0%,
  49% {
    opacity: 1;
  }
  50%,
  100% {
    opacity: 0;
  }
}

.button-primary,
.button-secondary {
  will-change: transform;
}

.reveal-item {
  opacity: 0;
  transform: translateY(22px) scale(0.98);
  transition: opacity 620ms cubic-bezier(0.16, 1, 0.3, 1), transform 620ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

.proof-card,
.project-card,
.demo-card,
.service-card,
.system-tile {
  transition: transform 260ms ease, border-color 260ms ease, box-shadow 260ms ease;
}

.proof-card:hover,
.project-card:hover,
.service-card:hover,
.system-tile:hover {
  transform: translateY(-6px);
  border-color: var(--line-strong);
  box-shadow: 0 30px 60px rgba(1, 8, 20, 0.55);
}

.metric-card,
.status-chip,
.stack-list span {
  transition: transform 220ms ease, border-color 220ms ease;
}

.metric-card:hover,
.status-chip:hover,
.stack-list span:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
}

.motion-in {
  opacity: 0;
  transform: translateY(16px) scale(0.985);
}

.motion-in.is-ready {
  opacity: 1;
  transform: translateY(0) scale(1);
  transition:
    opacity 720ms ease,
    transform 720ms ease;
}

@keyframes drift {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(18px, -20px, 0);
  }
}

@keyframes floatCard {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@media (max-width: 1080px) {
  .hero-grid,
  .project-stack,
  .systems-layout,
  .proof-grid,
  .services-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 760px) {
  .page-shell {
    width: min(calc(100% - 1rem), var(--max-width));
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    padding-top: 1.2rem;
  }

  .hero-metrics,
  .demo-grid,
  .systems-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy,
  .project-card,
  .proof-card,
  .service-card,
  .system-tile,
  .demo-card,
  .contact-card,
  .terminal-card {
    padding: 1.2rem;
  }

  .hero-actions,
  .contact-actions,
  .project-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .button {
    width: 100%;
  }

  .header-right {
    width: 100%;
    justify-content: space-between;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}