:root {
  --bg: #030406;
  --surface: #070d18;
  --surface-elev: #0a1324;
  --accent: #2563eb;
  --accent-soft: #3b82f6;
  --highlight: rgba(96, 165, 250, 0.28);
  --text-main: #e6edf7;
  --text-muted: #94a3b8;
  --line: rgba(59, 130, 246, 0.2);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100%;
  background: radial-gradient(circle at 8% 12%, rgba(0, 0, 0, 0.1), transparent 34%),
    radial-gradient(circle at 92% 32%, rgba(213, 217, 224, 0.06), transparent 40%), var(--bg);
  color: var(--text-main);
  font-family: "Space Grotesk", sans-serif;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: "Sora", sans-serif;
  letter-spacing: -0.02em;
}

p {
  margin: 0;
}

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

.wrap {
  width: min(1160px, 92vw);
  margin: 0 auto;
}

.section-screen {
  min-height: 100svh;
}

.bg-orb {
  position: fixed;
  z-index: -2;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.6;
  pointer-events: none;
}

.bg-orb-top {
  width: 360px;
  height: 360px;
  background: rgba(37, 99, 235, 0.14);
  top: -120px;
  right: -80px;
}

.bg-orb-mid {
  width: 300px;
  height: 300px;
  background: rgba(59, 130, 246, 0.11);
  top: 46%;
  left: -120px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: linear-gradient(to bottom, rgba(5, 7, 11, 0.9), rgba(5, 7, 11, 0.38));
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 0;
}

.brand {
  display: inline-flex;
  gap: 0.55rem;
  align-items: center;
  font-family: "Sora", sans-serif;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-logo {
  width: 24px;
  height: 24px;
  object-fit: contain;
  border-radius: 6px;
}

.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-soft);
  box-shadow: 0 0 0 8px rgba(96, 165, 250, 0.13);
}

.nav-links {
  display: inline-flex;
  gap: 1.15rem;
  color: var(--text-muted);
}

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

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  padding: 0.75rem 1.15rem;
  border: 1px solid transparent;
  transition: transform 0.25s ease, box-shadow 0.28s ease, border-color 0.28s ease,
    background-color 0.28s ease;
}

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

.btn-primary {
  background: #1f44ff;
  color: #dbeafe;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(31, 68, 255, 0.32);
}

.btn-primary:hover {
  background: #2b4fff;
  box-shadow: 0 12px 28px rgba(31, 68, 255, 0.38);
}

.btn-ghost {
  border-color: var(--line);
  background: rgba(11, 18, 32, 0.75);
  color: var(--text-main);
}

.btn-ghost:hover {
  border-color: rgba(96, 165, 250, 0.36);
  box-shadow: 0 10px 25px rgba(59, 130, 246, 0.18);
}

.btn-nav {
  font-size: 0.92rem;
  padding: 0.6rem 0.95rem;
  background: #1f44ff;
  border-color: #1f44ff;
}

.btn-lg {
  font-size: 1.02rem;
  padding: 0.95rem 1.35rem;
}

.intro-screen {
  display: grid;
  place-items: center;
  position: relative;
  text-align: center;
}

.intro-content {
  display: grid;
  gap: 1rem;
  justify-items: center;
}

.intro-logo {
  width: clamp(80px, 16vw, 120px);
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.5));
}

.logo-mark {
  width: 82px;
  height: 82px;
  border-radius: 24px;
  display: grid;
  place-items: center;
  font-family: "Sora", sans-serif;
  font-weight: 800;
  font-size: 2.1rem;
  background: linear-gradient(145deg, rgba(37, 99, 235, 0.2), rgba(3, 4, 6, 0.86));
  border: 1px solid rgba(59, 130, 246, 0.3);
  box-shadow: inset 0 0 25px rgba(37, 99, 235, 0.18), 0 18px 36px rgba(0, 0, 0, 0.58);
}

.intro-screen h1 {
  font-size: clamp(2.8rem, 8vw, 6.6rem);
}

.intro-sub {
  color: var(--accent-soft);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.intro-tagline {
  max-width: 56ch;
  color: var(--text-muted);
  font-size: 1.08rem;
  line-height: 1.6;
}

.split-screen {
  display: block;
  padding: 1.4rem 0;
  border-top: 1px solid rgba(148, 163, 184, 0.12);
  overflow: hidden;
}

.split-screen.section-screen {
  min-height: auto;
}

.split-grid {
  display: grid;
  grid-template-columns: minmax(400px, 1.4fr) minmax(0, 0.6fr);
  align-items: center;
  gap: 1.4rem;
}



.split-visual {
  min-height: 100svh;
  padding: 1.2rem 0 1.2rem 1.2rem;
}

.split-visual img {
  width: 100%;
  height: calc(100svh - 2.4rem);
  object-fit: cover;
  border-radius: 22px;
  border: 1px solid rgba(96, 165, 250, 0.2);
  box-shadow: 0 30px 50px rgba(0, 0, 0, 0.48);
}

.split-content {
  min-height: 0;
  display: grid;
  gap: 1.15rem;
  align-content: center;
  justify-items: end;
  padding: 2.2rem;
  border: 1px solid rgba(148, 163, 184, 0.15);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(7, 13, 24, 0.9), rgba(10, 19, 36, 0.52));
}

.right-action-demo {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.right-action-demo img {
  width: min(250%, 800px);
  max-height: 92svh;
  height: auto;
  object-fit: contain;
  border-radius: 16px;
  border: 1px solid rgba(0, 0, 0, 0.24);
  box-shadow: 0 20px 42px rgba(0, 0, 0, 0.55);
  transform: translateX(-1%);
}

.hero-title {
  font-size: clamp(2.2rem, 4.8vw, 3.5rem);
  line-height: 1.05;
}

.selection-sweep {
  position: relative;
  display: inline;
  z-index: 0;
}

.selection-sweep::before {
  content: "";
  position: absolute;
  inset: 62% -0.1em 0.04em;
  transform-origin: left;
  transform: scaleX(0);
  background: var(--highlight);
  z-index: -1;
  animation: sweep 2.6s ease 0.8s forwards;
}



.hero-copy {
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 42ch;
}

.typing-line {
  color: var(--text-main);
  display: inline-flex;
  align-items: center;
  margin-top: 0.45rem;
}

.cursor {
  width: 0.08em;
  height: 1.2em;
  margin-left: 0.16em;
  background: var(--accent-soft);
  animation: blink 1s steps(1, end) infinite;
}

@keyframes blink {

  0%,
  48% {
    opacity: 1;
  }

  50%,
  100% {
    opacity: 0;
  }
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  width: 100%;
  justify-content: flex-end;
}

.cta-row-center {
  justify-content: center;
}

.context-card {
  margin-top: 0.4rem;
  border-radius: 16px;
  padding: 1rem;
  background: linear-gradient(170deg, rgba(7, 13, 24, 0.95), rgba(3, 4, 6, 0.96));
  border: 1px solid rgba(16, 16, 16, 0.24);
  box-shadow: 0 16px 35px rgba(37, 99, 235, 0.14);
}

.context-header {
  font-size: 0.92rem;
  color: var(--accent-soft);
  margin-bottom: 0.55rem;
}

.context-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.context-card li {
  padding: 0.68rem 0.78rem;
  border-radius: 10px;
  background: rgba(15, 23, 42, 0.72);
  border: 1px solid rgba(148, 163, 184, 0.22);
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.context-card li:hover {
  transform: translateY(-2px);
  border-color: rgba(96, 165, 250, 0.38);
  box-shadow: 0 6px 16px rgba(96, 165, 250, 0.18);
}

.panel {
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.panel-head {
  margin-bottom: 1rem;

}

.panel-head h3 {
  font-size: clamp(1.45rem, 2.8vw, 2rem);
  margin-top: 0;
}

.timeline-wrap {
  position: relative;
  display: grid;
  gap: 1.1rem;
  padding: 0.2rem 0 0.4rem;
}

.timeline-wrap::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(
    to bottom,
    rgba(230, 237, 247, 0),
    rgba(230, 237, 247, 0.85) 14%,
    rgba(230, 237, 247, 0.85) 86%,
    rgba(230, 237, 247, 0)
  );
}

.timeline-step {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  align-items: center;
  gap: 1rem;
}

.timeline-marker {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.92);
  background: rgba(5, 7, 11, 0.96);
  color: var(--text-main);
  display: grid;
  place-items: center;
  font-weight: 700;
  position: relative;
  z-index: 1;
}

.timeline-card {
  border-radius: 16px;
  border: 1px solid rgba(96, 165, 250, 0.2);
  background: rgba(0, 0, 0, 0.92);
  padding: 1rem 1.05rem;
}

.timeline-card h4 {
  margin: 0 0 0.35rem;
  font-size: 1.06rem;
}

.timeline-card p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.55;
}

.steps-grid,
.modes-grid,
.highlights-grid {
  display: grid;
  gap: 0.9rem;
}

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

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

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

.tile {
  padding: 1.1rem;
  border-radius: 16px;
  background: linear-gradient(to right, #002647, #00182d);

  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.tile:hover {
  transform: translateY(-4px);
  border-color: rgba(96, 165, 250, 0.38);
  box-shadow: 0 16px 28px rgba(59, 130, 246, 0.13);
}

.step-index {
  display: inline-block;
  margin-bottom: 0.55rem;
  font-weight: 700;
  color: rgb(88, 88, 88);
}

.tile h4 {
  margin-bottom: 0.4rem;
  font-size: 1.03rem;
}

.tile p {
  color: var(--text-muted);
  line-height: 1.58;
}

.ai-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  border: 1px solid rgba(96, 165, 250, 0.22);
  border-radius: 16px;
  padding: 0.9rem 1rem;
  background: rgba(7, 13, 24, 0.72);
}

.ai-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.ai-card {
  border-radius: 14px;
  border: 1px solid rgba(96, 165, 250, 0.24);
  background: linear-gradient(180deg, rgba(7, 13, 24, 0.95), rgba(10, 19, 36, 0.82));
  padding: 0.95rem;
  display: grid;
  gap: 0.6rem;
}

.ai-logo-wrap {
  width: 64px;
  height: 64px;
  border-radius: 12px;
  border: 1px solid rgba(96, 165, 250, 0.28);
  background: rgba(0, 0, 0, 0.45);
  display: grid;
  place-items: center;
}

.ai-logo-wrap img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.ai-logo-fallback {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(31, 68, 255, 0.2);
  color: var(--text-main);
  place-items: center;
  font-weight: 700;
}

.ai-card h4 {
  margin-top: 25px;
  font-size: 18px;
}

.ai-card p {
  margin-bottom: 10px;
  color: var(--text-muted);
  line-height: 1.5;
  font-size: 16px;

}

.ai-strip p {
  color: var(--text-muted);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.chip {
  border-radius: 999px;
  padding: 0.43rem 0.82rem;
  border: 1px solid rgba(96, 165, 250, 0.28);
  background: rgba(59, 130, 246, 0.1);
}

.privacy-strip {
  border: 1px solid rgba(96, 165, 250, 0.2);
  border-radius: 16px;
  background: rgba(7, 13, 24, 0.78);
  padding: 0.95rem 1rem;
  color: var(--text-muted);
}

.final-cta {
  text-align: center;
  border: 1px solid rgba(96, 165, 250, 0.22);
  border-radius: 22px;
  padding: 2.1rem 1.2rem;
  margin-top: 120px;
  background: linear-gradient(150deg, rgba(7, 13, 24, 0.95), rgba(10, 19, 36, 0.88));
}

.final-cta h3 {
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  margin-bottom: 0.6rem;
}

.final-cta p {
  color: var(--text-muted);
  margin-bottom: 0.95rem;
}

.site-footer {
  position: relative;
  color: var(--text-muted);
  background: #000000;
  margin-top: 4rem;
  border-top: 1px solid rgba(96, 165, 250, 0.25);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
      transparent 0%,
      rgba(96, 165, 250, 0.5) 25%,
      rgba(59, 130, 246, 0.7) 50%,
      rgba(96, 165, 250, 0.5) 75%,
      transparent 100%);
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.3);
}

.footer-inner {
  padding: 2.4rem 0 2.8rem;
  display: grid;
  gap: 1rem;
}

.footer-layout {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 1.5rem;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.footer-left h4 {
  margin: 0;
  color: var(--text-main);
  font-size: 1.15rem;
}

.footer-left p {
  margin: 0;
  font-size: 0.92rem;
}

.footer-right-meta {
  margin-left: auto;
  display: grid;
  gap: 0.25rem;
  justify-items: end;
  text-align: right;
  font-size: 0.9rem;
}

.footer-legal-links {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.support-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-start;
  margin-top: 0.5rem;
}

.repo-star-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 176px;
  height: 46px;
  min-height: 46px;
  border-radius: 14px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  padding: 8px 12px;
  transition: transform 120ms ease, box-shadow 120ms ease, filter 120ms ease;
  white-space: nowrap;
}

.repo-star-btn {
  border: 2px solid #334d77;
  background: #0c1428;
  color: #ffffff;
  box-shadow: inset 0 0 0 1px rgba(96, 165, 250, 0.2);
}

.repo-star-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(12, 20, 40, 0.34);
  border-color: #4b668f;
}

.repo-star-btn__icon {
  width: 18px;
  height: 18px;
  color: white;
  flex: 0 0 auto;
}

.github {
  text-decoration: none;
  color: rgb(255, 255, 255);
}

.bmc-slot {
  width: 176px;
  height: 46px;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 14px;
}

.bmc-slot .bmc-btn {
  width: 176px !important;
  max-width: 176px !important;
  min-width: 176px !important;
  height: 46px !important;
  min-height: 46px !important;
  border-radius: 14px !important;
  padding: 8px 12px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  text-align: center !important;
  font-size: 13px !important;
  line-height: 1.1 !important;
  padding-left: 16px !important;
  padding-right: 8px !important;
  white-space: nowrap !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
}

.site-footer a {
  color: var(--accent-soft);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.site-footer a:hover {
  color: #bfd9ff;
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.stagger-1 {
  transition-delay: 0.08s;
}

.stagger-2 {
  transition-delay: 0.16s;
}

.stagger-3 {
  transition-delay: 0.24s;
}

.stagger-4 {
  transition-delay: 0.3s;
}

@media (max-width: 1100px) {
  .split-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .right-action-demo {
    order: -1;
  }

  .right-action-demo img {
    width: min(100%, 486px);
    max-height: 62svh;
    transform: none;
  }

  .split-content {
    min-height: auto;
    padding-bottom: 2rem;
    justify-items: start;
  }

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

  .timeline-wrap::before {
    left: 16px;
  }

  .timeline-step {
    grid-template-columns: 34px minmax(0, 1fr);
  }

  .timeline-marker {
    width: 34px;
    height: 34px;
    font-size: 0.9rem;
  }

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

@media (max-width: 760px) {
  .navbar {
    flex-wrap: wrap;
  }

  .nav-links {
    order: 3;
    width: 100%;
    justify-content: space-between;
    font-size: 0.94rem;
  }

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

  .footer-inner {
    gap: 0.6rem;
  }

  .footer-layout {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .footer-right-meta {
    margin-left: 0;
    justify-items: start;
    text-align: left;
  }

  .support-row {
    justify-content: flex-start;
  }

  .split-content {
    padding: 1.3rem;
  }

  .title1 {
    font-size: clamp(2.3rem, 14vw, 4rem);
  }
}

.title1 {
  font-size: 68px;
  font-weight: 900;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.title2 {
  margin-top: -0.5rem;
  color: #357af3;
  font-size: 48px;
  font-weight: 900;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.tile2 {
  font-size: 62px;
  background: linear-gradient(180deg, rgba(11, 18, 32, 0.95), rgba(15, 23, 42, 0.8));
  border: 1px solid rgba(148, 163, 184, 0.17);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}