:root {
  --bg: #050505;
  --bg-soft: #0a0a0c;
  --panel: rgba(18, 18, 20, 0.72);
  --panel-strong: rgba(20, 20, 22, 0.92);
  --text: #f4f4f5;
  --muted: #a4a4ad;
  --line: rgba(255, 255, 255, 0.07);
  --orange: #ff8a00;
  --orange-2: #ffb347;
  --orange-soft: rgba(255, 138, 0, 0.16);
  --glow: 0 0 30px rgba(255, 138, 0, 0.16);
  --radius: 24px;
  --radius-sm: 18px;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  --max-width: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  background:
    radial-gradient(circle at top, rgba(255, 138, 0, 0.08), transparent 20%),
    linear-gradient(180deg, #040404 0%, #080808 100%);
  color: var(--text);
  overflow-x: hidden;
}

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

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

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

.section {
  padding: 110px 0;
  position: relative;
  z-index: 2;
}

.bg-glow {
  position: fixed;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  opacity: 0.22;
  z-index: 0;
}

.bg-glow-1 {
  top: -120px;
  left: -90px;
  background: rgba(255, 138, 0, 0.25);
}

.bg-glow-2 {
  right: -120px;
  top: 30%;
  background: rgba(255, 110, 0, 0.12);
}

#loading-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background:
    radial-gradient(circle at center, rgba(255, 138, 0, 0.09), transparent 35%),
    #050505;
  display: grid;
  place-items: center;
  transition: opacity 0.7s ease, visibility 0.7s ease;
}

#loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-orb {
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(255, 138, 0, 0.18);
  filter: blur(80px);
  animation: pulse 2.4s ease-in-out infinite;
}

.loader-content {
  position: relative;
  text-align: center;
  width: min(90vw, 420px);
}

.loader-logo-image {
  width: 78px;
  height: 78px;
  object-fit: contain;
  margin: 0 auto 18px;
  display: block;
  filter: drop-shadow(0 0 22px rgba(255, 138, 0, 0.28));
}

.loader-content h1 {
  margin: 0;
  font-size: 2rem;
}

.loader-content p {
  margin: 10px 0 22px;
  color: var(--muted);
}

.loader-bar {
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.loader-bar span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--orange), var(--orange-2));
  animation: loadbar 2.2s ease forwards;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(5, 5, 5, 0.72);
  border-bottom: 1px solid var(--line);
}

.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 38px;
  height: 38px;
  object-fit: contain;
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(255, 138, 0, 0.18);
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-text strong {
  font-size: 0.98rem;
}

.brand-text small {
  color: var(--muted);
  margin-top: 4px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-links a {
  color: #d6d6db;
  transition: color 0.25s ease;
}

.nav-links a:hover {
  color: #fff;
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  cursor: pointer;
  padding: 0;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: #fff;
  margin: 5px auto;
}

.hero {
  padding-top: 90px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 46px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange-2);
  margin-bottom: 16px;
}

.hero-copy h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
  line-height: 0.98;
  margin: 0 0 20px;
  letter-spacing: -0.05em;
}

.hero-copy h1 span {
  display: block;
  color: #f7c98f;
}

.hero-text,
.section-heading p,
.about-copy p,
.download-box p,
.timeline-item p,
.faq-item p,
.footer-copy {
  color: var(--muted);
  line-height: 1.75;
}

.hero-actions,
.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

.btn {
  min-height: 54px;
  padding: 0 22px;
  border-radius: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  border: 1px solid transparent;
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease,
    border-color 0.25s ease,
    background 0.25s ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--orange), #ff6a00);
  color: #fff;
  box-shadow: 0 14px 30px rgba(255, 138, 0, 0.22);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--line);
}

.btn-ghost {
  background: transparent;
  border-color: rgba(255, 138, 0, 0.32);
  color: #ffd39b;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.meta-card,
.glass-card,
.about-panel,
.download-box,
.timeline-item,
.faq-item {
  background: var(--panel);
  border: 1px solid var(--line);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
}

.meta-card {
  padding: 18px;
  border-radius: 20px;
}

.meta-value {
  display: block;
  font-weight: 700;
  margin-bottom: 6px;
}

.meta-label {
  color: var(--muted);
  font-size: 0.95rem;
}

.preview-shell {
  position: relative;
  border-radius: 28px;
  padding: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02)),
    rgba(10, 10, 12, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow:
    0 0 0 1px rgba(255, 138, 0, 0.12),
    0 40px 90px rgba(0, 0, 0, 0.5),
    0 0 60px rgba(255, 138, 0, 0.08);
}

.preview-topbar {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}

.preview-topbar span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
}

.preview-topbar span:nth-child(1) {
  background: #ff5f57;
}

.preview-topbar span:nth-child(2) {
  background: #febc2e;
}

.preview-topbar span:nth-child(3) {
  background: #28c840;
}

.product-preview {
  width: 100%;
  object-fit: cover;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.preview-badge {
  position: absolute;
  right: 28px;
  bottom: 28px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 138, 0, 0.14);
  border: 1px solid rgba(255, 138, 0, 0.25);
  color: #ffd39b;
  font-weight: 600;
  backdrop-filter: blur(12px);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 38px;
}

.section-heading h2,
.about-copy h2,
.download-box h2 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

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

.glass-card {
  border-radius: 24px;
  padding: 24px;
  min-height: 220px;
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  background: rgba(255, 138, 0, 0.12);
  border: 1px solid rgba(255, 138, 0, 0.22);
  font-size: 1.2rem;
}

.glass-card h3,
.timeline-item h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 24px;
  align-items: start;
}

.about-panel {
  border-radius: 26px;
  padding: 28px;
}

.info-row {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.info-row:last-child {
  border-bottom: none;
}

.info-row span {
  color: var(--muted);
}

.download-box {
  border-radius: 30px;
  padding: 34px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
}

.timeline {
  display: grid;
  gap: 18px;
}

.timeline-item {
  border-radius: 24px;
  padding: 24px;
  position: relative;
}

.timeline-tag {
  display: inline-block;
  margin-bottom: 12px;
  color: #ffd39b;
  background: rgba(255, 138, 0, 0.12);
  border: 1px solid rgba(255, 138, 0, 0.22);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 700;
}

.faq-list {
  display: grid;
  gap: 16px;
}

.faq-item {
  border-radius: 22px;
  padding: 0 22px;
  overflow: hidden;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 22px 0;
  font-weight: 600;
  position: relative;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 18px;
  font-size: 1.3rem;
  color: var(--orange-2);
}

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

.faq-item p {
  padding: 0 0 22px;
  margin: 0;
}

.site-footer {
  padding: 36px 0 46px;
  border-top: 1px solid var(--line);
  background: rgba(7, 7, 8, 0.86);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
}

.footer-brand {
  margin-bottom: 14px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-links a {
  color: #d0d0d6;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}

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

.delay-1 {
  transition-delay: 0.1s;
}

.delay-2 {
  transition-delay: 0.2s;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(0.95);
    opacity: 0.7;
  }
  50% {
    transform: scale(1.08);
    opacity: 1;
  }
}

@keyframes loadbar {
  0% {
    width: 0;
  }
  100% {
    width: 100%;
  }
}

@media (max-width: 1024px) {
  .hero-grid,
  .about-grid,
  .download-box {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 820px) {
  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 78px;
    right: 16px;
    left: 16px;
    background: rgba(10, 10, 12, 0.95);
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 14px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: flex;
  }

  .hero-copy h1 {
    font-size: clamp(2.5rem, 12vw, 4rem);
  }

  .hero-meta,
  .card-grid {
    grid-template-columns: 1fr;
  }

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

  .section {
    padding: 84px 0;
  }
}