:root {
  --bg: #0b0b0f;
  --surface: #111118;
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.82);
  --text-muted: rgba(255, 255, 255, 0.6);
  --accent: #ff6a00;
  --accent-hover: #ff7a1a;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --shadow-soft: 0 14px 32px rgba(0, 0, 0, 0.25);
  --container: 1200px;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 96px;
  --space-8: 128px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Satoshi", "Space Grotesk", "IBM Plex Sans", sans-serif;
  background: radial-gradient(circle at top, rgba(255, 106, 0, 0.06), transparent 45%), var(--bg);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
}

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

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

button {
  font-family: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.section {
  padding: var(--space-7) 0;
}

.section-tight {
  padding: var(--space-5) 0;
}

.hero-section {
  padding: var(--space-8) 0;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
}

h1,
h2,
h3 {
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(40px, 6vw, 64px);
  line-height: 1.05;
  margin-bottom: var(--space-3);
}

h2 {
  font-size: clamp(28px, 3.2vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin-bottom: var(--space-3);
}

h3 {
  font-size: clamp(20px, 2vw, 22px);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-2);
}

p {
  color: var(--text-secondary);
  font-size: clamp(16px, 1.2vw, 18px);
  line-height: 1.7;
  margin-bottom: var(--space-2);
  max-width: 680px;
}

p:last-child {
  margin-bottom: 0;
}

.card p,
.built-panel p,
.footer p,
.nav-links p,
.comparison td,
.comparison th {
  max-width: none;
}

.small-text {
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-muted);
}

.button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  height: 48px;
  padding: 0 var(--space-4);
  border-radius: 8px;
  border: 1px solid transparent;
  background: var(--accent);
  color: #0b0b0f;
  font-weight: 600;
  line-height: 1;
  transition: transform 200ms ease-out, background-color 200ms ease-out, border-color 200ms ease-out;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 106, 0, 0.18);
  background-color: var(--accent-hover);
}

.button.secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.link-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--text-primary);
  font-weight: 500;
  position: relative;
  padding-bottom: var(--space-1);
}

.link-cta::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 200ms ease-out;
}

.link-cta:hover::after {
  width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: transparent;
  transition: background 300ms ease-out, backdrop-filter 300ms ease-out, border-color 300ms ease-out;
}

.site-header.nav-scrolled {
  background: rgba(11, 11, 15, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

.navbar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) 0;
}

.logo {
  font-weight: 600;
  letter-spacing: 0.04em;
  font-size: 14px;
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  font-size: 15px;
  color: var(--text-secondary);
  flex-wrap: nowrap;
  white-space: nowrap;
}

.nav-links a {
  position: relative;
  padding-bottom: var(--space-1);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 200ms ease-out;
}

.nav-links a:hover::after {
  width: 100%;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  justify-self: end;
  flex-wrap: nowrap;
  white-space: nowrap;
}

.nav-link {
  font-size: 15px;
  color: var(--text-secondary);
}

.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: var(--space-1) var(--space-2);
  border-radius: 8px;
}

.mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(11, 11, 15, 0.98);
  transform: translateY(-100%);
  transition: transform 0.4s ease;
  z-index: 30;
  padding: var(--space-8) var(--space-3) var(--space-5);
}

.mobile-menu.is-open {
  transform: translateY(0);
}

.mobile-menu nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: 20px;
}

.mobile-menu .button {
  width: fit-content;
}

body.menu-open {
  overflow: hidden;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-6);
  align-items: center;
}

.hero p {
  font-size: clamp(16px, 1.3vw, 18px);
}

.hero-actions {
  margin-top: var(--space-4);
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.diagram {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: var(--space-4);
}

.bullet-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-2);
  color: var(--text-secondary);
}

.bullet-list li {
  position: relative;
  padding-left: var(--space-3);
}

.bullet-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--text-muted);
}

.stack-2 {
  margin-top: var(--space-2);
}

.stack-3 {
  margin-top: var(--space-3);
}

.stack-4 {
  margin-top: var(--space-4);
}

.stack-5 {
  margin-top: var(--space-5);
}

.scroll-x {
  overflow-x: auto;
}

.container-narrow {
  max-width: 760px;
}

.diagram svg {
  width: 100%;
  height: auto;
}

.diagram-step {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 500ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 500ms cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--delay, 0ms);
}

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

.draw-line {
  stroke-dasharray: 200;
  stroke-dashoffset: 200;
}

.diagram-animate .draw-line {
  animation: drawLine 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes drawLine {
  to {
    stroke-dashoffset: 0;
  }
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 500ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 500ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

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

.reveal[data-delay="1"] {
  transition-delay: 100ms;
}

.reveal[data-delay="2"] {
  transition-delay: 200ms;
}

.reveal[data-delay="3"] {
  transition-delay: 300ms;
}

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

.grid-2x3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: var(--space-4);
  transition: transform 200ms ease-out, border-color 200ms ease-out, box-shadow 200ms ease-out;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 106, 0, 0.4);
  box-shadow: var(--shadow-soft);
}

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

.built-panel {
  padding: var(--space-4);
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.04));
  transition: border-color 200ms ease-out, transform 200ms ease-out;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.built-panel:hover {
  border-color: rgba(255, 106, 0, 0.4);
  transform: translateY(-2px);
}

.comparison {
  width: 100%;
  border-collapse: collapse;
}

.comparison th,
.comparison td {
  text-align: left;
  padding: var(--space-2) var(--space-1);
  border-bottom: 1px solid var(--border-subtle);
  font-size: 14px;
  color: var(--text-secondary);
  transition: background-color 200ms ease-out, border-color 200ms ease-out;
}

.comparison th {
  color: var(--text-primary);
  font-weight: 500;
}

.comparison tr:hover td {
  color: var(--text-primary);
}

.comparison tbody tr:hover td {
  background-color: rgba(255, 255, 255, 0.02);
}

.comparison tbody tr:hover td:first-child {
  box-shadow: inset 3px 0 0 var(--accent);
}

.underline-link {
  position: relative;
  display: inline-block;
  padding-bottom: var(--space-1);
}

.underline-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 200ms ease-out;
}

.underline-link:hover::after {
  width: 100%;
}

.centered {
  text-align: center;
}

.centered p {
  margin-left: auto;
  margin-right: auto;
}

.final-cta {
  background: linear-gradient(135deg, rgba(255, 106, 0, 0.16), rgba(17, 17, 24, 0.9));
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background-size: 200% 200%;
  animation: subtleShift 20s ease-in-out infinite;
}

@keyframes subtleShift {
  0% {
    background-position: 0% 50%;
  }
  100% {
    background-position: 100% 50%;
  }
}

.footer {
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-5) 0 var(--space-3);
}

.footer .logo {
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-label {
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: var(--space-3);
  align-items: start;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2) var(--space-3);
  font-size: 14px;
  color: var(--text-muted);
}

.footer-legal {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: var(--space-3);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-hero {
  padding: var(--space-8) 0 var(--space-7);
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.form-shell {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: var(--space-5);
}

@media (max-width: 960px) {
  .hero,
  .split {
    grid-template-columns: 1fr;
  }

  .grid-3,
  .grid-2x3,
  .built-for,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .navbar {
    grid-template-columns: auto auto auto;
  }

  .nav-actions .button {
    display: none;
  }
}

@media (max-width: 1200px) {
  .nav-links {
    gap: var(--space-3);
    font-size: 14px;
  }
}

@media (max-width: 1100px) {
  .nav-actions .link-cta {
    display: none;
  }
}

@media (max-width: 1024px) {
  .nav-actions .nav-link {
    display: none;
  }
}

@media (max-width: 1200px) {
  .nav-links {
    gap: var(--space-3);
    font-size: 14px;
  }
}

@media (max-width: 1100px) {
  .nav-actions .link-cta {
    display: none;
  }
}

@media (max-width: 640px) {
  .section {
    padding: var(--space-5) 0;
  }

  .hero-section,
  .page-hero {
    padding: var(--space-6) 0;
  }

  .navbar {
    padding: var(--space-2) 0;
  }

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

  .reveal {
    transform: translateY(12px);
    transition-duration: 400ms;
  }

  .reveal[data-delay] {
    transition-delay: 0ms !important;
  }

  p {
    max-width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }

  .draw-line {
    stroke-dashoffset: 0 !important;
  }
}