:root {
  --bg: #05080f;
  --surface: rgba(255, 255, 255, 0.06);
  --surface-strong: rgba(255, 255, 255, 0.1);
  --text: #e8f0ff;
  --muted: #9ea7bb;
  --line: rgba(255, 255, 255, 0.16);
  --accent: #43ffd2;
  --accent-2: #ffd166;
  --accent-3: #ff5e5b;
  --radius: 20px;
  --container: min(1120px, calc(100vw - 48px));
}

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

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Manrope", sans-serif;
  background: radial-gradient(circle at 12% 16%, #0d1c39 0%, transparent 36%),
              radial-gradient(circle at 88% 6%, #261128 0%, transparent 38%),
              radial-gradient(circle at 52% 92%, #103122 0%, transparent 44%),
              var(--bg);
  color: var(--text);
  line-height: 1.55;
  overflow-x: hidden;
}

body.nav-locked {
  overflow: hidden;
}

.mobile-progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-8px);
  opacity: 0;
  z-index: 70;
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
}

.mobile-progress span {
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3));
  box-shadow: 0 0 18px rgba(67, 255, 210, 0.5);
  transition: width 0.15s linear;
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle at center, black 45%, transparent 90%);
  z-index: -1;
}

.bg-layer {
  position: fixed;
  width: 440px;
  height: 440px;
  border-radius: 50%;
  filter: blur(14px);
  pointer-events: none;
  z-index: -2;
}

.bg-layer-a {
  left: -120px;
  top: 10vh;
  background: radial-gradient(circle at 30% 30%, rgba(67, 255, 210, 0.45), rgba(67, 255, 210, 0.04));
  animation: driftA 16s ease-in-out infinite;
}

.bg-layer-b {
  right: -120px;
  top: 34vh;
  background: radial-gradient(circle at 40% 40%, rgba(255, 94, 91, 0.34), rgba(255, 94, 91, 0.03));
  animation: driftB 20s ease-in-out infinite;
}

@keyframes driftA {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(32px, -24px) scale(1.12); }
}

@keyframes driftB {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-26px, 28px) scale(1.16); }
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.topbar {
  width: var(--container);
  margin: 20px auto 0;
  position: sticky;
  top: 14px;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 10px 14px;
  background: rgba(4, 6, 12, 0.72);
  border: 1px solid var(--line);
  border-radius: 999px;
  backdrop-filter: blur(14px);
  transition: background 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease, transform 0.28s ease;
}

.topbar.is-scrolled {
  transform: translateY(-2px);
  background: rgba(4, 6, 12, 0.9);
  border-color: rgba(67, 255, 210, 0.35);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.32);
}

.brand {
  text-decoration: none;
  color: var(--text);
  font-weight: 800;
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  display: inline-block;
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 20px rgba(67, 255, 210, 0.6);
}

.topnav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  padding: 10px 9px;
  cursor: pointer;
  flex-direction: column;
  justify-content: space-between;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.topbar.nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(10px) rotate(45deg);
}

.topbar.nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.topbar.nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-10px) rotate(-45deg);
}

.topnav a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  font-size: 14px;
  transition: color 0.25s ease;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #071114;
  font-weight: 800;
  letter-spacing: 0.01em;
  transition: transform 0.28s ease, box-shadow 0.28s ease, filter 0.28s ease;
  box-shadow: 0 8px 32px rgba(67, 255, 210, 0.35);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
  box-shadow: 0 14px 34px rgba(67, 255, 210, 0.42);
}

.btn .ripple {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%) scale(0);
  background: rgba(255, 255, 255, 0.55);
  animation: rippleGrow 0.75s ease-out forwards;
}

@keyframes rippleGrow {
  to {
    transform: translate(-50%, -50%) scale(16);
    opacity: 0;
  }
}

.btn-sm {
  padding: 8px 14px;
  font-size: 13px;
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--text);
  box-shadow: none;
}

.hero {
  min-height: 92vh;
  padding: 64px 0 40px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 42px;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.13em;
  font-size: 12px;
  color: var(--accent);
  font-weight: 800;
  margin: 0 0 16px;
}

.display {
  margin: 0;
  font-family: "Syne", sans-serif;
  font-size: clamp(2.2rem, 5vw, 4.9rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  max-width: 12ch;
}

[data-stagger] .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(20px) rotate(2deg);
  transition: transform 0.52s cubic-bezier(.19,.89,.24,1), opacity 0.52s ease;
}

[data-stagger].is-visible .word {
  opacity: 1;
  transform: translateY(0) rotate(0);
}

.lead {
  margin: 22px 0 0;
  max-width: 58ch;
  color: var(--muted);
}

.offer-line {
  margin: 14px 0 0;
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.hero-actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.stats {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  max-width: 640px;
}

.stat {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px;
}

.count {
  display: block;
  font-weight: 800;
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: var(--accent-2);
  line-height: 1.1;
}

.label {
  color: var(--muted);
  font-size: 13px;
}

.hero-visual {
  position: relative;
  min-height: 460px;
}

.glass-card {
  position: absolute;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  backdrop-filter: blur(20px);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.03));
  box-shadow: 0 22px 44px rgba(0, 0, 0, 0.32);
}

.card-main {
  width: min(440px, 95%);
  left: 0;
  top: 60px;
  padding: 26px;
}

.card-title {
  margin: 0 0 14px;
  font-family: "Syne", sans-serif;
  font-size: 1.2rem;
}

.pulse-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.pulse-row strong {
  color: var(--accent);
}

.signal {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  align-items: end;
  height: 58px;
}

.signal span {
  border-radius: 8px 8px 2px 2px;
  background: linear-gradient(180deg, var(--accent), var(--accent-3));
  animation: beat 1.6s infinite ease-in-out;
}

.signal span:nth-child(1) { height: 32px; animation-delay: 0s; }
.signal span:nth-child(2) { height: 54px; animation-delay: .16s; }
.signal span:nth-child(3) { height: 36px; animation-delay: .22s; }
.signal span:nth-child(4) { height: 58px; animation-delay: .3s; }
.signal span:nth-child(5) { height: 28px; animation-delay: .4s; }

@keyframes beat {
  0%, 100% { transform: scaleY(0.72); opacity: 0.84; }
  50% { transform: scaleY(1.08); opacity: 1; }
}

.card-secondary,
.card-tertiary {
  padding: 14px 18px;
  max-width: 240px;
  font-weight: 700;
  color: var(--text);
}

.card-secondary {
  top: 16px;
  right: 10px;
}

.card-tertiary {
  right: 52px;
  bottom: 10px;
}

.strip {
  margin: 18px 0 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(67, 255, 210, 0.1), rgba(255, 209, 102, 0.06), rgba(255, 94, 91, 0.1));
}

.strip-track {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 66px;
}

.strip p {
  margin: 0;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.section {
  padding: 108px 0 0;
  content-visibility: auto;
  contain-intrinsic-size: 1px 760px;
}

[id] {
  scroll-margin-top: 106px;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}

.section-title {
  margin: 0;
  font-family: "Syne", sans-serif;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.grid {
  display: grid;
  gap: 16px;
}

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

.stack-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.04));
  color: var(--text);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.01em;
  transition: transform 0.24s ease, border-color 0.24s ease;
}

.chip:hover {
  transform: translateY(-3px);
  border-color: rgba(67, 255, 210, 0.55);
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px;
  transition: transform 0.28s ease, border-color 0.28s ease, background 0.28s ease;
}

.service-card h3 {
  margin: 0 0 12px;
  font-size: 1.1rem;
}

.service-card p {
  margin: 0;
  color: var(--muted);
}

.service-card:hover {
  transform: translateY(-6px) rotate(-0.6deg);
  border-color: rgba(67, 255, 210, 0.46);
  background: var(--surface-strong);
}

.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 16px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3));
  opacity: 0.65;
}

.timeline-item {
  position: relative;
  padding: 32px 16px 0;
}

.dot {
  position: absolute;
  left: 16px;
  top: 10px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 16px rgba(67, 255, 210, 0.58);
}

.timeline-item h3 {
  margin: 0 0 8px;
}

.timeline-item p {
  margin: 0;
  color: var(--muted);
}

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

.work-card {
  min-height: 220px;
  padding: 20px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.03));
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.work-card:hover {
  transform: translateY(-7px);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.34);
}

.work-card h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
}

.work-card p {
  margin: 0;
  color: var(--muted);
}

.work-kpi,
.work-stack {
  margin-top: 10px !important;
  font-size: 13px;
  color: var(--text) !important;
}

.work-tag {
  display: inline-flex;
  margin: 0 0 12px;
  padding: 5px 10px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: 999px;
  background: rgba(67, 255, 210, 0.18);
  color: var(--accent);
}

.cta {
  margin: 110px auto 0;
  padding: 36px;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(160deg, rgba(67, 255, 210, 0.11), rgba(255, 209, 102, 0.08), rgba(255, 94, 91, 0.11));
}

.cta h2 {
  margin: 6px 0 8px;
  font-family: "Syne", sans-serif;
  font-size: clamp(1.8rem, 5vw, 3rem);
}

.cta p {
  margin: 0 0 16px;
  color: var(--muted);
}

.cta-meta {
  font-weight: 700;
  color: var(--text) !important;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 70px auto 34px;
  color: var(--muted);
  font-size: 14px;
}

.email-link {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid rgba(67, 255, 210, 0.45);
  transition: border-color 0.24s ease, color 0.24s ease;
}

.email-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.email-inline {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dashed rgba(67, 255, 210, 0.66);
}

.logo-wall {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.logo-pill {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
}

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

.quote-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  padding: 20px;
}

.quote-card p {
  margin: 0 0 12px;
}

.quote-card span {
  color: var(--muted);
  font-size: 13px;
}

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

.model-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(160deg, rgba(67, 255, 210, 0.11), rgba(255, 255, 255, 0.04));
  padding: 22px;
}

.model-card h3 {
  margin: 0 0 10px;
}

.model-card p {
  margin: 0 0 10px;
  color: var(--muted);
}

.model-meta {
  font-size: 13px;
  min-height: 40px;
}

.model-link {
  display: inline-flex;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  border-bottom: 1px solid rgba(67, 255, 210, 0.6);
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  padding: 14px 16px;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  font-weight: 700;
  position: relative;
  padding-right: 20px;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  color: var(--accent);
}

.faq-item[open] summary::after {
  content: "-";
}

.faq-item p {
  margin: 10px 0 0;
  color: var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: transform 0.7s cubic-bezier(.19,.89,.24,1), opacity 0.7s ease;
}

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

@media (max-width: 1080px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 360px;
  }

  .card-main {
    top: 10px;
  }

  .services,
  .timeline,
  .testimonials,
  .model-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 760px) {
  .mobile-progress {
    transform: translateY(0);
    opacity: 1;
  }

  .topbar {
    border-radius: 16px;
    align-items: center;
    flex-direction: row;
    justify-content: space-between;
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .topnav {
    width: 100%;
    display: none;
    grid-template-columns: 1fr;
    gap: 8px;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .topbar.nav-open .topnav {
    display: grid;
  }

  .topnav a {
    font-size: 15px;
    padding: 8px 2px;
  }

  .topnav .btn {
    justify-self: flex-start;
  }

  .hero {
    min-height: auto;
    padding-top: 42px;
  }

  .display {
    max-width: none;
  }

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

  .hero-visual {
    min-height: 320px;
  }

  .card-main,
  .card-secondary,
  .card-tertiary {
    position: relative;
    width: 100%;
    max-width: none;
    top: auto;
    left: auto;
    right: auto;
    bottom: auto;
    margin-bottom: 12px;
    animation: mobileFloat 5.8s ease-in-out infinite;
    will-change: transform;
  }

  .card-main { animation-delay: 0s; }
  .card-secondary { animation-delay: .45s; }
  .card-tertiary { animation-delay: .8s; }

  .service-card,
  .work-card {
    animation: mobileCardBreathe 4.8s ease-in-out infinite;
    will-change: transform, box-shadow;
  }

  .service-card:nth-child(2),
  .work-card:nth-child(2n) {
    animation-delay: .3s;
  }

  .section-title {
    text-wrap: balance;
  }

  .footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .section {
    padding-top: 84px;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .services,
  .timeline,
  .work-grid,
  .testimonials,
  .model-grid {
    grid-template-columns: 1fr;
  }

  .timeline::before {
    left: 16px;
    right: auto;
    top: 0;
    bottom: 0;
    width: 2px;
    height: auto;
    background: linear-gradient(180deg, var(--accent), var(--accent-2), var(--accent-3));
  }

  .timeline-item {
    padding-left: 42px;
  }
}

@keyframes mobileFloat {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-7px);
  }
}

@keyframes mobileCardBreathe {
  0%, 100% {
    transform: translateY(0);
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.2);
  }
  50% {
    transform: translateY(-5px);
    box-shadow: 0 16px 30px rgba(0, 0, 0, 0.34);
  }
}

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

  .bg-layer,
  .signal span {
    animation: none !important;
  }

  .btn .ripple {
    animation: none !important;
  }

  .card-main,
  .card-secondary,
  .card-tertiary,
  .service-card,
  .work-card {
    animation: none !important;
  }
}