:root {
  --bg: #000000;
  --accent: #ccff00;
  --text: #ffffff;
  --muted: #e0e0e0;
  --card: rgba(255, 255, 255, 0.04);
  --border: rgba(204, 255, 0, 0.45);
  --soft-border: rgba(255, 255, 255, 0.12);
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", Arial, sans-serif;
}

body.lightbox-open {
  overflow: hidden;
}

a,
button {
  color: inherit;
  font: inherit;
}

a {
  text-decoration: none;
}

button {
  border: 0;
  cursor: pointer;
}

.site-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  --parallax-x: 0px;
  --parallax-y: 0px;
  background:
    radial-gradient(circle at 70% 14%, rgba(204, 255, 0, 0.12), transparent 28%),
    radial-gradient(circle at 12% 62%, rgba(204, 255, 0, 0.08), transparent 26%),
    linear-gradient(135deg, #000 0%, #050606 46%, #000 100%);
}

.grid-layer {
  position: absolute;
  inset: -30%;
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(204, 255, 0, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(204, 255, 0, 0.12) 1px, transparent 1px);
  background-size: 54px 54px;
  transform: translate(var(--parallax-x), var(--parallax-y)) perspective(800px) rotateX(62deg) translateY(-16%);
  animation: gridDrift 18s linear infinite;
}

.scan-line {
  position: absolute;
  width: 22vw;
  height: 120vh;
  top: -10vh;
  border-left: 18px solid rgba(204, 255, 0, 0.16);
  border-right: 2px solid rgba(204, 255, 0, 0.28);
  transform: skewX(-28deg);
  filter: blur(0.2px);
  animation: lineFloat 9s ease-in-out infinite alternate;
}

.scan-line-one {
  right: 6vw;
}

.scan-line-two {
  left: 3vw;
  opacity: 0.5;
  animation-delay: -3s;
}

.particle-field {
  position: absolute;
  inset: 0;
  opacity: 0.42;
  background-image:
    radial-gradient(circle, rgba(204, 255, 0, 0.82) 0 1px, transparent 1.6px),
    radial-gradient(circle, rgba(255, 255, 255, 0.38) 0 1px, transparent 1.8px);
  background-position: 0 0, 32px 46px;
  background-size: 68px 68px, 112px 112px;
  mask-image: radial-gradient(circle at 90% 66%, #000 0 18%, transparent 34%), radial-gradient(circle at 8% 10%, #000 0 14%, transparent 25%);
  animation: particlePulse 6s ease-in-out infinite;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(var(--max-width), calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0;
  backdrop-filter: blur(14px);
}

.brand-lockup,
.footer div {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--border);
  color: var(--accent);
  font-family: "Orbitron", Arial, sans-serif;
  font-size: 14px;
  font-weight: 900;
  box-shadow: 0 0 22px rgba(204, 255, 0, 0.22);
  transform: skewX(-10deg);
}

.brand-name,
.brand-sub {
  display: block;
  letter-spacing: 0;
  line-height: 1.1;
}

.brand-name {
  font-family: "Orbitron", Arial, sans-serif;
  font-size: 14px;
  font-weight: 900;
}

.brand-sub {
  margin-top: 3px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
}

.nav-links {
  display: flex;
  gap: 22px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 14px;
  font-weight: 700;
}

.nav-links a,
.ghost-link,
.contact-link,
.footer a {
  transition: color 180ms ease, text-shadow 180ms ease;
}

.nav-links a:hover,
.ghost-link:hover,
.contact-link:hover,
.footer a:hover {
  color: var(--accent);
  text-shadow: 0 0 18px rgba(204, 255, 0, 0.35);
}

.topbar-cta {
  padding: 11px 16px;
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  box-shadow: inset 0 0 18px rgba(204, 255, 0, 0.08);
}

.section-shell {
  width: min(var(--max-width), calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.78fr);
  gap: clamp(32px, 6vw, 82px);
  align-items: center;
  min-height: calc(100vh - 78px);
  padding: 58px 0 78px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  font-family: "Orbitron", Arial, sans-serif;
  font-size: clamp(13px, 2vw, 16px);
  font-weight: 800;
}

.eyebrow span {
  color: var(--text);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Orbitron", Arial, sans-serif;
  font-weight: 900;
  letter-spacing: 0;
  line-height: 0.94;
}

h1 {
  max-width: 760px;
  font-size: clamp(50px, 8.6vw, 108px);
  text-shadow: 0 0 34px rgba(204, 255, 0, 0.12);
}

h2 {
  font-size: clamp(32px, 5vw, 58px);
}

h3 {
  font-size: clamp(20px, 2vw, 27px);
}

.hero-text,
.section-heading p,
.free-panel p,
.final-panel p {
  max-width: 690px;
  color: var(--muted);
  font-size: clamp(18px, 2.1vw, 23px);
  line-height: 1.45;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  margin-top: 34px;
}

.cta-button {
  position: relative;
  display: inline-flex;
  min-height: 56px;
  align-items: center;
  justify-content: center;
  padding: 17px 24px;
  overflow: hidden;
  border: 1px solid rgba(204, 255, 0, 0.72);
  background: var(--accent);
  color: #050505;
  font-family: "Orbitron", Arial, sans-serif;
  font-size: 15px;
  font-weight: 900;
  box-shadow: 0 0 30px rgba(204, 255, 0, 0.3);
  transition: transform 180ms ease, box-shadow 180ms ease, filter 180ms ease;
}

.cta-button::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 0 34%, rgba(255, 255, 255, 0.65) 48%, transparent 62% 100%);
  content: "";
  transform: translateX(-130%);
  transition: transform 500ms ease;
}

.cta-button:hover {
  transform: translateY(-2px);
  filter: saturate(1.12);
  box-shadow: 0 0 44px rgba(204, 255, 0, 0.48);
}

.cta-button:hover::after {
  transform: translateX(130%);
}

.ghost-link {
  color: rgba(255, 255, 255, 0.78);
  font-weight: 800;
}

.hero-visual {
  position: relative;
  display: grid;
  min-height: 410px;
  place-items: center;
}

.logo-aura {
  position: absolute;
  width: min(410px, 82vw);
  aspect-ratio: 1;
  border: 1px solid rgba(204, 255, 0, 0.3);
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(204, 255, 0, 0.12), rgba(255, 255, 255, 0.04) 36%, rgba(0, 0, 0, 0.12) 72%);
  box-shadow: 0 0 64px rgba(204, 255, 0, 0.18), inset 0 0 80px rgba(255, 255, 255, 0.04);
  animation: neonPulse 3.4s ease-in-out infinite;
}

.hero-logo {
  position: relative;
  width: min(306px, 72vw);
  height: auto;
  border-radius: 50%;
  filter: drop-shadow(0 0 28px rgba(204, 255, 0, 0.24));
}

.hero-visual picture {
  position: relative;
  display: grid;
  place-items: center;
}

.audience,
.how,
.screenshots,
.ai-trainer,
.free-start,
.pricing,
.faq,
.final-cta {
  padding: clamp(70px, 9vw, 120px) 0;
}

.section-heading {
  max-width: 900px;
  margin-bottom: 36px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card,
.step-card,
.screenshot-card,
.free-panel,
.price-card,
.faq-list details,
.final-panel {
  border: 1px solid var(--soft-border);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.065), var(--card));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
}

.feature-card {
  min-height: 300px;
  padding: 28px;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.feature-card:hover,
.step-card:hover,
.screenshot-card:hover,
.price-card:hover {
  border-color: var(--border);
  box-shadow: 0 0 34px rgba(204, 255, 0, 0.14), inset 0 1px 0 rgba(255, 255, 255, 0.12);
  transform: translateY(-4px);
}

.feature-icon {
  display: grid;
  width: 64px;
  height: 64px;
  margin-bottom: 26px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: rgba(204, 255, 0, 0.08);
  font-size: 28px;
  box-shadow: 0 0 30px rgba(204, 255, 0, 0.18);
}

.feature-card p,
.step-card p,
.screenshot-card p,
.clean-list,
.free-list,
.price-card li,
.faq-list p,
.support-note {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.55;
}

.clean-list,
.free-list,
.price-card ul {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.clean-list li::before,
.free-list li::before,
.price-card li::before {
  margin-right: 10px;
  color: var(--accent);
  content: "✓";
  font-weight: 900;
}

.support-note {
  max-width: 840px;
  margin: 28px 0 0;
  padding: 22px 24px;
  border-left: 3px solid var(--accent);
  background: rgba(204, 255, 0, 0.06);
}

.support-note p {
  margin: 0;
}

.support-note p + p {
  margin-top: 8px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.step-card {
  min-height: 170px;
  padding: 24px;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.step-card span {
  display: block;
  margin-bottom: 24px;
  color: var(--accent);
  font-family: "Orbitron", Arial, sans-serif;
  font-size: 34px;
  font-weight: 900;
}

.slider-shell {
  position: relative;
}

.screenshot-slider {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
  overflow: visible;
  padding: 0;
}

.screenshot-slider::-webkit-scrollbar {
  display: none;
}

.screenshot-slider::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
}

.screenshot-slider::-webkit-scrollbar-thumb {
  background: var(--accent);
}

.screenshot-card {
  padding: 16px;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.screenshot-card-featured {
  border-color: rgba(204, 255, 0, 0.74);
  box-shadow: 0 0 42px rgba(204, 255, 0, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.screenshot-button {
  display: block;
  width: 100%;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.46);
}

.screenshot-button picture,
.screenshot-button img {
  display: block;
  width: 100%;
}

.screenshot-button img {
  aspect-ratio: 590 / 1280;
  object-fit: cover;
  transition: transform 220ms ease, filter 220ms ease;
}

.screenshot-button:hover img {
  filter: brightness(1.08);
  transform: scale(1.02);
}

.screenshot-card h3 {
  margin-top: 20px;
}

.screenshot-card p {
  margin-bottom: 0;
}

.slider-arrow {
  position: absolute;
  top: 38%;
  z-index: 3;
  display: none;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.72);
  color: var(--accent);
  font-size: 34px;
  line-height: 1;
  box-shadow: 0 0 24px rgba(204, 255, 0, 0.22);
}

.slider-prev {
  left: -18px;
}

.slider-next {
  right: -18px;
}

.slider-dots {
  display: none;
  justify-content: center;
  gap: 8px;
  margin-top: 12px;
}

.slider-dots button {
  width: 10px;
  height: 10px;
  padding: 0;
  border: 1px solid rgba(204, 255, 0, 0.52);
  border-radius: 50%;
  background: transparent;
}

.slider-dots button.is-active {
  background: var(--accent);
  box-shadow: 0 0 18px rgba(204, 255, 0, 0.5);
}

.free-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 0.52fr) auto;
  gap: clamp(22px, 5vw, 48px);
  align-items: center;
  padding: clamp(28px, 5vw, 48px);
}

.free-panel p {
  margin-bottom: 0;
}

.free-list {
  margin: 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  align-items: stretch;
}

.price-card {
  position: relative;
  display: flex;
  min-height: 430px;
  flex-direction: column;
  padding: 28px;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.price-card-featured {
  border-color: rgba(204, 255, 0, 0.78);
  box-shadow: 0 0 42px rgba(204, 255, 0, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.price-term,
.price-badge {
  margin: 0 0 14px;
  color: var(--accent);
  font-family: "Orbitron", Arial, sans-serif;
  font-weight: 900;
}

.price-badge {
  display: inline-flex;
  width: fit-content;
  padding: 7px 10px;
  border: 1px solid var(--border);
  background: rgba(204, 255, 0, 0.08);
  font-size: 12px;
}

.muted-badge {
  color: var(--text);
}

.price-card h3 {
  font-size: clamp(38px, 4.8vw, 58px);
}

.price-card ul {
  flex: 1;
  margin-bottom: 28px;
}

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

.faq-list details {
  padding: 0 22px;
}

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 68px;
  color: var(--text);
  font-weight: 900;
  list-style: none;
  cursor: pointer;
}

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

.faq-list summary::after {
  color: var(--accent);
  content: "+";
  font-family: "Orbitron", Arial, sans-serif;
  font-size: 24px;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list p {
  max-width: 760px;
  margin: 0;
  padding: 0 0 22px;
}

.final-panel {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  padding: clamp(34px, 6vw, 70px);
  overflow: hidden;
  text-align: center;
}

.final-panel::before {
  position: absolute;
  width: 300px;
  height: 300px;
  right: -90px;
  top: -120px;
  border: 1px solid rgba(204, 255, 0, 0.22);
  border-radius: 50%;
  content: "";
}

.final-panel p {
  margin-right: auto;
  margin-left: auto;
}

.contact-link {
  display: block;
  margin-top: 20px;
  color: var(--muted);
  font-weight: 800;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(0, 0, 0, 0.88);
}

.lightbox.is-open {
  display: flex;
}

.lightbox-panel {
  display: grid;
  max-width: min(92vw, 560px);
  max-height: 92vh;
  gap: 14px;
}

.lightbox img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: min(76vh, 820px);
  margin: 0 auto;
  border: 1px solid var(--border);
  box-shadow: 0 0 52px rgba(204, 255, 0, 0.2);
}

.lightbox-caption {
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.76);
  text-align: center;
}

.lightbox-caption h3 {
  margin-top: 8px;
  font-size: clamp(20px, 4vw, 28px);
}

.lightbox-caption p {
  margin: 10px auto 0;
  color: var(--muted);
  line-height: 1.45;
}

.lightbox-counter {
  color: var(--accent);
  font-family: "Orbitron", Arial, sans-serif;
  font-size: 13px;
  font-weight: 900;
}

.lightbox-close {
  position: fixed;
  top: 18px;
  right: 18px;
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.72);
  color: var(--accent);
  font-size: 30px;
}

.lightbox-nav {
  position: fixed;
  top: 50%;
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.72);
  color: var(--accent);
  font-size: 38px;
  line-height: 1;
  transform: translateY(-50%);
}

.lightbox-prev {
  left: max(18px, calc((100vw - 720px) / 2));
}

.lightbox-next {
  right: max(18px, calc((100vw - 720px) / 2));
}

.footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: min(var(--max-width), calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0 46px;
  border-top: 1px solid var(--soft-border);
  color: rgba(255, 255, 255, 0.72);
}

.footer strong,
.footer span {
  display: block;
}

.footer strong {
  color: var(--text);
  font-family: "Orbitron", Arial, sans-serif;
}

.footer span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 620ms ease, transform 620ms ease;
}

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

@keyframes gridDrift {
  from {
    background-position: 0 0;
  }
  to {
    background-position: 0 108px;
  }
}

@keyframes lineFloat {
  from {
    transform: translateX(-14px) skewX(-28deg);
  }
  to {
    transform: translateX(18px) skewX(-28deg);
  }
}

@keyframes particlePulse {
  0%,
  100% {
    opacity: 0.34;
  }
  50% {
    opacity: 0.58;
  }
}

@keyframes neonPulse {
  0%,
  100% {
    filter: brightness(1);
  }
  50% {
    filter: brightness(1.35);
  }
}

@media (min-width: 1180px) {
  .screenshot-slider {
    overflow: visible;
  }
}

@media (max-width: 1020px) {
  .topbar {
    align-items: flex-start;
  }

  .nav-links {
    display: none;
  }

  .hero,
  .free-panel {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 46px;
  }

  .hero-visual {
    min-height: 340px;
    order: -1;
  }

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

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

@media (max-width: 767px) {
  .topbar-cta {
    display: none;
  }

  .section-shell,
  .topbar,
  .footer {
    width: min(100% - 24px, var(--max-width));
  }

  h1 {
    font-size: clamp(40px, 13vw, 56px);
  }

  h2 {
    font-size: clamp(30px, 10vw, 42px);
  }

  .hero-text,
  .section-heading p,
  .free-panel p,
  .final-panel p {
    font-size: 18px;
  }

  .hero-actions,
  .cta-button {
    width: 100%;
  }

  .ghost-link {
    width: 100%;
    text-align: center;
  }

  .hero-visual {
    min-height: 274px;
  }

  .logo-aura {
    width: min(306px, 82vw);
  }

  .hero-logo {
    width: min(221px, 68vw);
  }

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

  .feature-card,
  .price-card {
    min-height: 0;
  }

  .screenshot-slider {
    grid-auto-columns: minmax(266px, calc(100vw - 58px));
    grid-auto-flow: column;
    grid-template-columns: none;
    gap: 12px;
    overflow-x: auto;
    padding: 10px 4px 24px;
    scroll-behavior: smooth;
    scroll-padding-left: 4px;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }

  .screenshot-card {
    scroll-snap-align: start;
  }

  .screenshot-card-featured {
    border-color: var(--soft-border);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  }

  .screenshot-card.is-active {
    border-color: rgba(204, 255, 0, 0.74);
    box-shadow: 0 0 34px rgba(204, 255, 0, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.12);
  }

  .slider-dots {
    display: flex;
  }

  .slider-arrow {
    display: grid;
  }

  .free-panel {
    align-items: stretch;
  }

  .lightbox {
    padding: 16px;
  }

  .lightbox-panel {
    max-width: 100%;
    max-height: 94vh;
  }

  .lightbox img {
    max-height: 70vh;
  }

  .lightbox-caption {
    padding: 14px 16px;
  }

  .lightbox-nav {
    top: auto;
    bottom: 18px;
    width: 44px;
    height: 44px;
    font-size: 32px;
    transform: none;
  }

  .lightbox-prev {
    left: 18px;
  }

  .lightbox-next {
    right: 18px;
  }

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

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