:root {
  font-family: "Segoe UI", Inter, system-ui, -apple-system, sans-serif;
  color-scheme: dark;

  --bg: #0a0d0b;
  --sidebar: #0e1210;
  --panel: #151a16;
  --panel-2: #1b211c;
  --panel-3: #212a23;
  --border: #262f28;
  --border-soft: #222b24;
  --text: #e9ebee;
  --dim: #8b9096;
  --faint: #5f646b;
  --accent: #3ff08a;
  --accent-deep: #16a34a;
  --accent-glow: rgba(63, 240, 138, 0.15);
  --accent-contrast: #06140c;
  --accent-hover: #1bb356;
  --danger: #f0616d;
  --amber: #f0b429;
  --blue: #58a6ff;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 28px;
  --space-8: 40px;
  --space-9: 64px;
  --space-10: 96px;

  --radius-sm: 8px;
  --radius-lg: 14px;
  --radius-xl: 22px;
  --radius-pill: 999px;

  --text-2xs: 0.7rem;
  --text-xs: 0.8rem;
  --text-sm: 0.88rem;
  --text-base: 0.95rem;
  --text-md: 1.05rem;
  --text-lg: 1.25rem;
  --text-xl: 1.6rem;
  --text-2xl: 2.1rem;
  --text-display: clamp(2.4rem, 5vw, 4.2rem);
  --tracking-tight: 0.3px;
  --tracking-wide: 0.5px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3), 0 1px 1px rgba(0, 0, 0, 0.24);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 40px 100px rgba(0, 0, 0, 0.55);

  --scrollbar-thumb: #2b2e35;
  --scrollbar-thumb-hover: #3a3e47;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--bg);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ---------------------------- themed scrollbar --------------------------- */
::-webkit-scrollbar {
  width: 11px;
  height: 11px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 6px;
  border: 2px solid transparent;
  background-clip: content-box;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-hover);
  background-clip: content-box;
}
::-webkit-scrollbar-corner {
  background: var(--bg);
}

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

a {
  color: inherit;
}

h1, h2, h3, h4 {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
  margin: 0;
}

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

section {
  padding: var(--space-10) 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-2xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(63, 240, 138, 0.3);
  border-radius: var(--radius-pill);
  padding: 6px var(--space-3);
  margin-bottom: var(--space-4);
}

.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px rgba(63, 240, 138, 0.9);
}

.muted {
  color: var(--dim);
}

/* -------------------------------- buttons -------------------------------- */
.btn {
  font: inherit;
  font-size: var(--text-base);
  font-weight: 600;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.15s, box-shadow 0.15s;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
}

.btn:hover {
  border-color: var(--faint);
  background: var(--panel-3);
  transform: translateY(-1px);
}

.btn.primary {
  background: var(--accent-deep);
  border-color: var(--accent-deep);
  color: var(--accent-contrast);
}

.btn.primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: 0 0 0 4px var(--accent-glow);
}

.btn.lg {
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-md);
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* --------------------------------- header --------------------------------- */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 13, 11, 0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-soft);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: 12px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
}

.brand img {
  width: 30px;
  height: 30px;
}

.brand-word {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-tight);
  background: linear-gradient(120deg, #6ff8ac, var(--accent) 55%, var(--accent-deep));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-shrink: 1;
}

.nav-links a {
  color: var(--dim);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 600;
  transition: color 0.15s;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.nav-actions .btn {
  padding: 9px var(--space-4);
  font-size: var(--text-sm);
}

.icon-link {
  color: var(--dim);
  display: inline-flex;
  transition: color 0.15s;
}

.icon-link:hover {
  color: var(--text);
}

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

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3) 0 var(--space-4);
  border-top: 1px solid var(--border-soft);
  background: var(--bg);
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  color: var(--dim);
  text-decoration: none;
  font-size: var(--text-base);
  font-weight: 600;
  padding: var(--space-2) 0;
}

/* --------------------------------- hero --------------------------------- */
.hero {
  padding: 160px 0 var(--space-9);
  position: relative;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: -1;
  pointer-events: none;
}

.hero-bg .scan-grid {
  position: absolute;
  inset: -20%;
  background-image:
    linear-gradient(to right, rgba(63, 240, 138, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(63, 240, 138, 0.055) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 20%, black 0%, transparent 70%);
}

.hero-bg .ring {
  position: absolute;
  top: -220px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  border-radius: 50%;
  border: 1px solid rgba(63, 240, 138, 0.14);
}

.hero-bg .ring.r2 {
  width: 650px;
  height: 650px;
  top: -95px;
  border-color: rgba(63, 240, 138, 0.1);
}

.hero-bg .ring.r3 {
  width: 400px;
  height: 400px;
  top: 30px;
  border-color: rgba(63, 240, 138, 0.08);
  animation: pulse-ring 3.2s ease-out infinite;
}

@keyframes pulse-ring {
  0% { opacity: 0.9; transform: translateX(-50%) scale(0.85); }
  100% { opacity: 0; transform: translateX(-50%) scale(1.25); }
}

.hero-top {
  text-align: center;
  max-width: 760px;
  margin: 0 auto var(--space-9);
}

.hero-top h1 {
  font-size: var(--text-display);
  line-height: 1.06;
  margin-bottom: var(--space-5);
}

.hero-top h1 .accent-text {
  background: linear-gradient(120deg, #6ff8ac, var(--accent) 55%, var(--accent-deep));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  font-size: var(--text-md);
  color: var(--dim);
  max-width: 560px;
  margin: 0 auto var(--space-6);
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.hero-note {
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  color: var(--faint);
}

/* ---------------------------- mock dashboard ---------------------------- */
.mock-shell {
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-xl);
  background: var(--sidebar);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  max-width: 1040px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.mock-shell.in-view {
  opacity: 1;
  transform: translateY(0);
}

.mock-titlebar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-soft);
  background: var(--sidebar);
}

.mock-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.mock-dot.red { background: #f0616d; }
.mock-dot.amber { background: #f0b429; }
.mock-dot.green { background: #3ff08a; }

.mock-titlebar span {
  margin-left: var(--space-2);
  font-size: var(--text-xs);
  color: var(--faint);
  font-family: Consolas, monospace;
}

.mock-body {
  display: flex;
  min-height: 420px;
}

.mock-sidebar {
  width: 168px;
  flex-shrink: 0;
  background: var(--sidebar);
  border-right: 1px solid var(--border-soft);
  padding: var(--space-4) var(--space-2);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mock-logo {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 var(--space-2);
  margin-bottom: var(--space-4);
}

.mock-logo img {
  width: 18px;
  height: 18px;
}

.mock-logo span {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--text);
}

.mock-nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--dim);
  padding: var(--space-2);
  border-radius: 6px;
}

.mock-nav-item.active {
  color: var(--accent);
  background: var(--accent-glow);
}

.mock-main {
  flex: 1;
  padding: var(--space-4);
  min-width: 0;
  overflow: hidden;
}

.mock-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.mock-stat {
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
}

.mock-stat-label {
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--faint);
  font-weight: 700;
}

.mock-stat-value {
  font-size: var(--text-lg);
  font-weight: 700;
  font-family: Consolas, monospace;
  color: var(--text);
}

.mock-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.mock-card {
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
}

.mock-card-head {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: 6px;
}

.mock-card-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--faint);
  flex-shrink: 0;
}

.mock-card.running .mock-card-dot {
  background: var(--accent);
  box-shadow: 0 0 6px rgba(63, 240, 138, 0.8);
  animation: blink-dot 1.6s ease-in-out infinite;
}

@keyframes blink-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.mock-card-name {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text);
}

.mock-card-tag {
  font-size: 0.6rem;
  color: var(--dim);
  font-family: Consolas, monospace;
}

.mock-log {
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  font-family: Consolas, "Cascadia Mono", monospace;
  font-size: 0.72rem;
  line-height: 1.7;
  height: 108px;
  overflow: hidden;
  color: #c4cad2;
}

.mock-log .prompt {
  color: var(--accent);
}

.mock-log .caret {
  display: inline-block;
  width: 6px;
  height: 12px;
  background: var(--accent);
  margin-left: 2px;
  vertical-align: middle;
  animation: caret-blink 0.9s step-end infinite;
}

@keyframes caret-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

@media (max-width: 720px) {
  .mock-sidebar { display: none; }
  .mock-cards { grid-template-columns: 1fr; }
  .mock-stats { grid-template-columns: repeat(3, 1fr); }
}

/* --------------------------------- steps --------------------------------- */
.section-head {
  text-align: center;
  max-width: 620px;
  margin: 0 auto var(--space-8);
}

.section-head h2 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-3);
}

.section-head p {
  color: var(--dim);
  font-size: var(--text-base);
}

.steps {
  position: relative;
}

.steps-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.steps-line {
  position: absolute;
  top: 27px;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border) 15%, var(--border) 85%, transparent);
  z-index: 0;
}

.step {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-3);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.step.in-view {
  opacity: 1;
  transform: translateY(0);
}

.step-node {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--panel);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  position: relative;
}

.step-node::after {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid rgba(63, 240, 138, 0.25);
}

.step h3 {
  font-size: var(--text-base);
  font-weight: 700;
}

.step p {
  color: var(--dim);
  font-size: var(--text-sm);
  max-width: 220px;
}

@media (max-width: 860px) {
  .steps-track { grid-template-columns: 1fr 1fr; row-gap: var(--space-6); }
  .steps-line { display: none; }
}

/* -------------------------------- features -------------------------------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
}

.feature-card {
  --mx: 50%;
  --my: 50%;
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
  opacity: 0;
  transform: translateY(16px);
}

.feature-card.in-view {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease, border-color 0.2s;
}

.feature-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(180px circle at var(--mx) var(--my), var(--accent-glow), transparent 70%);
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}

.feature-card:hover {
  border-color: var(--border);
  transform: translateY(-2px);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--accent-glow);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.feature-card h3 {
  font-size: var(--text-base);
  margin-bottom: var(--space-2);
}

.feature-card p {
  color: var(--dim);
  font-size: var(--text-sm);
  margin: 0;
  position: relative;
}

@media (max-width: 980px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .features-grid { grid-template-columns: 1fr; }
}

/* --------------------------------- proof --------------------------------- */
.proof {
  text-align: center;
}

.proof-frame {
  max-width: 960px;
  margin: var(--space-8) auto 0;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-xl);
  background: var(--panel);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  opacity: 0;
  transform: translateY(20px) scale(0.98);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.proof-frame.in-view {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.proof-frame .mock-titlebar {
  justify-content: flex-start;
}

.proof-frame img {
  width: 100%;
}

.proof-caption {
  margin-top: var(--space-4);
  color: var(--faint);
  font-size: var(--text-sm);
}

/* ------------------------------- tech strip ------------------------------- */
.tech-strip {
  padding: var(--space-8) 0;
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}

.tech-row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.tech-label {
  color: var(--faint);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-right: var(--space-2);
}

.tech-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--dim);
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-pill);
  padding: var(--space-2) var(--space-4);
  text-decoration: none;
  transition: color 0.15s, border-color 0.15s;
}

.tech-chip:hover {
  color: var(--text);
  border-color: var(--faint);
}

/* ---------------------------------- cta ---------------------------------- */
.cta {
  text-align: center;
  position: relative;
}

.cta-panel {
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-xl);
  background: linear-gradient(160deg, var(--panel), var(--sidebar));
  padding: var(--space-9) var(--space-6);
  position: relative;
  overflow: hidden;
}

.cta-panel::before {
  content: "";
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-glow), transparent 65%);
  pointer-events: none;
}

.cta-panel h2 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-3);
  position: relative;
}

.cta-panel p {
  color: var(--dim);
  margin-bottom: var(--space-6);
  position: relative;
}

.cta-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  position: relative;
}

.cta-fine {
  margin-top: var(--space-5);
  color: var(--faint);
  font-size: var(--text-xs);
  position: relative;
}

/* --------------------------------- footer --------------------------------- */
footer {
  border-top: 1px solid var(--border-soft);
  padding: var(--space-7) 0;
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--faint);
  font-size: var(--text-sm);
}

.footer-brand img {
  width: 20px;
  height: 20px;
}

.footer-links {
  display: flex;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--dim);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 600;
}

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

/* ------------------------------- responsive nav ------------------------------- */
@media (max-width: 980px) {
  .nav-links { gap: var(--space-4); }
}

@media (max-width: 760px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .hero { padding-top: 130px; }
}

/* -------------------------------- reveal base -------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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