:root {
  --bg: #04070f;
  --panel: rgba(9, 15, 30, 0.72);
  --panel-strong: rgba(8, 12, 22, 0.9);
  --line: rgba(143, 178, 255, 0.18);
  --text: #e7eeff;
  --muted: #9aa6c1;
  --cyan: #67f3ff;
  --lime: #9dff8f;
  --amber: #ffcd6b;
  --danger: #ff6f7a;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% -10%, #10315d 0%, transparent 32%),
    radial-gradient(circle at 90% 12%, #3b2400 0%, transparent 30%),
    linear-gradient(180deg, #050816 0%, #03060f 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(126, 152, 212, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(126, 152, 212, 0.08) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 88%);
  z-index: -3;
}

.bg-glow {
  position: fixed;
  width: 40vw;
  height: 40vw;
  filter: blur(60px);
  pointer-events: none;
  z-index: -2;
}

.glow-a {
  left: -12vw;
  top: -14vw;
  background: radial-gradient(circle, rgba(80, 180, 255, 0.26) 0%, transparent 68%);
}

.glow-b {
  right: -10vw;
  top: 20vh;
  background: radial-gradient(circle, rgba(255, 188, 79, 0.2) 0%, transparent 65%);
}

.container {
  width: min(1140px, 92vw);
  margin: 0 auto;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(3, 7, 16, 0.68);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-mark {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 7px;
  color: #061224;
  background: linear-gradient(135deg, var(--cyan), var(--lime));
  box-shadow: 0 0 0 1px rgba(3, 19, 35, 0.6), 0 8px 20px rgba(103, 243, 255, 0.32);
}

.links {
  display: flex;
  gap: 24px;
}

.links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}

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

.mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  padding: 8px 10px;
}

.hero {
  padding: 88px 0 48px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 30px;
  align-items: start;
}

.badge {
  margin: 0 0 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  background: rgba(10, 18, 36, 0.6);
  border-radius: 999px;
  color: #d6def8;
  font-size: 0.84rem;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 10px var(--lime);
}

h1 {
  margin: 0 0 18px;
  font-size: clamp(2rem, 6vw, 4rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  max-width: 16ch;
}

.accent {
  background: linear-gradient(110deg, var(--cyan), var(--amber));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lead {
  margin: 0;
  color: var(--muted);
  max-width: 54ch;
  font-size: 1.08rem;
}

.hero-actions {
  margin-top: 28px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  text-decoration: none;
  font-weight: 600;
  padding: 11px 16px;
  border-radius: 12px;
  border: 1px solid transparent;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

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

.btn-main {
  color: #051025;
  background: linear-gradient(120deg, var(--cyan), var(--lime));
  box-shadow: 0 12px 30px rgba(103, 243, 255, 0.28);
}

.btn-ghost {
  color: var(--text);
  border-color: var(--line);
  background: rgba(9, 16, 32, 0.7);
}

.hero-terminal {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.terminal-head {
  min-height: 46px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--line);
  background: rgba(15, 22, 44, 0.9);
}

.terminal-head span {
  width: 11px;
  height: 11px;
  border-radius: 999px;
  background: rgba(201, 220, 255, 0.3);
}

.terminal-head span:nth-child(1) {
  background: #ff7c8a;
}

.terminal-head span:nth-child(2) {
  background: #ffbf6b;
}

.terminal-head span:nth-child(3) {
  background: #88ff95;
}

.terminal-head p {
  margin: 0 0 0 auto;
  color: var(--muted);
  font-size: 0.86rem;
}

.terminal-body {
  padding: 16px;
}

.prompt {
  margin: 0;
  color: #c3d0ef;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.89rem;
}

.prompt code {
  color: var(--cyan);
  word-break: break-word;
}

.copy-btn {
  margin-top: 14px;
  background: rgba(116, 241, 255, 0.12);
  border: 1px solid rgba(103, 243, 255, 0.45);
  color: #b6fbff;
  border-radius: 10px;
  padding: 8px 12px;
  cursor: pointer;
  font-family: "IBM Plex Mono", monospace;
}

.copy-btn:hover {
  background: rgba(116, 241, 255, 0.2);
}

.copy-btn-inline {
  margin-top: 0;
  margin-left: auto;
  padding: 6px 10px;
  font-size: 0.78rem;
}

.terminal-list {
  margin: 14px 0 0;
  padding-left: 20px;
  color: var(--muted);
}

.terminal-list li + li {
  margin-top: 8px;
}

.section {
  padding: 56px 0 20px;
}

.section[id],
header[id] {
  scroll-margin-top: 88px;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(1.6rem, 3.5vw, 2.8rem);
}

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

.steps {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.step-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
  background: var(--panel-strong);
}

.step-index {
  font-family: "IBM Plex Mono", monospace;
  color: var(--amber);
  font-size: 0.84rem;
}

.step-card h3 {
  margin: 8px 0;
}

.step-card pre {
  margin: 0;
  overflow: hidden;
  white-space: pre-wrap;
}

.step-card code {
  display: block;
  font-family: "IBM Plex Mono", monospace;
  color: #c8d8ff;
  font-size: 0.88rem;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.step-pre {
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(11, 19, 36, 0.74);
}

.step-shell {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(11, 19, 36, 0.76);
  cursor: copy;
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.step-shell:hover,
.step-shell:focus-visible {
  border-color: rgba(103, 243, 255, 0.5);
  box-shadow: 0 0 0 2px rgba(103, 243, 255, 0.14);
  outline: none;
}

.step-shell-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  background: rgba(12, 20, 38, 0.9);
}

.step-shell-head span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(201, 220, 255, 0.3);
}

.step-shell-head span:nth-child(1) {
  background: #ff7c8a;
}

.step-shell-head span:nth-child(2) {
  background: #ffbf6b;
}

.step-shell-head span:nth-child(3) {
  background: #88ff95;
}

.step-shell-head p {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.step-shell-command {
  margin: 0;
  padding: 12px;
  font-family: "IBM Plex Mono", monospace;
  color: #c8d8ff;
  font-size: 0.86rem;
}

.step-shell-command code {
  display: inline;
  color: var(--cyan);
}

.step-hint {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.feature-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.feature {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
  background: linear-gradient(165deg, rgba(10, 19, 38, 0.9), rgba(6, 12, 25, 0.8));
}

.feature h3 {
  margin: 0 0 10px;
}

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

.flow-layout {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 16px;
  align-items: stretch;
}

.flow-track {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(165deg, rgba(10, 19, 38, 0.9), rgba(6, 12, 25, 0.86));
  padding: 18px;
}

.flow-steps {
  display: grid;
  gap: 12px;
}

.flow-step {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  background: rgba(8, 14, 27, 0.82);
}

.flow-step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 31px;
  bottom: -13px;
  width: 1px;
  height: 13px;
  background: linear-gradient(180deg, rgba(103, 243, 255, 0.5), rgba(103, 243, 255, 0.08));
}

.flow-step-index {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  color: #07212a;
  background: linear-gradient(145deg, var(--cyan), #9fefff);
  box-shadow: 0 0 0 1px rgba(103, 243, 255, 0.32);
}

.flow-step-copy {
  min-width: 0;
}

.flow-title {
  margin: 1px 0 5px;
  font-weight: 700;
  color: var(--text);
}

.flow-step-copy p {
  margin: 0;
  color: var(--muted);
}

.flow-demo-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: var(--panel-strong);
  box-shadow: var(--shadow);
}

.flow-demo-head {
  min-height: 44px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--line);
  background: rgba(15, 22, 44, 0.9);
}

.flow-demo-head p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.flow-demo-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(103, 243, 255, 0.8);
}

.flow-demo-video {
  display: block;
  width: 100%;
  height: auto;
  background: #02040a;
}

.cta {
  text-align: center;
  border-top: 1px solid var(--line);
  margin-top: 28px;
  padding-top: 56px;
}

.cta h2 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.cta p {
  margin: 10px auto 22px;
  color: var(--muted);
  max-width: 58ch;
}

.footer {
  margin-top: 46px;
  border-top: 1px solid var(--line);
  padding: 18px 0 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 10px var(--lime);
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(125, 255, 157, 0.4);
  background: rgba(7, 27, 18, 0.92);
  color: #d4ffe0;
  font-family: "IBM Plex Mono", monospace;
  transform: translateY(12px);
  opacity: 0;
  pointer-events: none;
  transition: 0.25s ease;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 56px;
  }

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

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

  .flow-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .mobile-toggle {
    display: inline-flex;
  }

  .links {
    position: absolute;
    right: 4vw;
    top: 74px;
    display: none;
    flex-direction: column;
    width: min(280px, 92vw);
    border: 1px solid var(--line);
    background: rgba(4, 9, 20, 0.96);
    border-radius: 14px;
    padding: 12px;
  }

  .links.open {
    display: flex;
  }

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