:root {
  --bg: #0a0a0a;
  --bg-alt: #0f0d0b;
  --fg: #f2f0ec;
  --fg-muted: #9a9a94;
  --accent: #f2600a;
  --accent-soft: rgba(242, 96, 10, 0.14);
  --divider: rgba(242, 96, 10, 0.18);
  --border: rgba(255, 255, 255, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.accent-text {
  color: var(--accent);
}

.eyebrow {
  display: inline-block;
  margin-bottom: 1.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 1s ease, transform 1s ease;
}

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

/* Hero */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem 1.5rem;
  overflow: hidden;
  isolation: isolate;
}

.hero-graphic {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-graphic svg {
  width: 100%;
  height: 100%;
  display: block;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 90vw;
}

.wordmark-wrap {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
}

.wordmark {
  margin: 0;
  font-size: clamp(4.5rem, 17vw, 12rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1;
  color: var(--fg);
}

.wordmark-rule {
  display: block;
  width: 110px;
  max-width: 30vw;
  height: 3px;
  margin-top: 1.75rem;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 1.1s ease 0.35s;
}

.reveal.is-visible .wordmark-rule {
  transform: scaleX(1);
}

.tagline {
  margin: 1.75rem 0 0;
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  font-weight: 300;
  letter-spacing: 0.03em;
  color: var(--fg-muted);
}

/* Intro */

.intro {
  padding: 10vh 1.5rem;
  display: flex;
  justify-content: center;
}

.intro p {
  max-width: 640px;
  text-align: center;
  font-size: clamp(1.1rem, 2.4vw, 1.5rem);
  line-height: 1.65;
  font-weight: 300;
  color: var(--fg);
  margin: 0;
}

/* Vision */

.vision {
  padding: 10vh 1.5rem;
  display: flex;
  justify-content: center;
  text-align: center;
  border-top: 1px solid var(--divider);
}

.vision > div {
  max-width: 680px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.vision p {
  margin: 0;
  font-size: clamp(1.3rem, 3vw, 2rem);
  line-height: 1.5;
  font-weight: 300;
  letter-spacing: 0.005em;
  color: var(--fg);
}

/* Principles */

.principles {
  max-width: 1100px;
  margin: 0 auto;
  padding: 10vh 1.5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  border-top: 1px solid var(--divider);
}

.principle {
  padding: 2.5rem 1.75rem 0;
  border-top: 1px solid var(--divider);
  text-align: left;
}

.principle h2 {
  margin: 0 0 1rem;
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.principle p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.65;
  font-weight: 300;
  color: var(--fg-muted);
}

/* Demo */

.demo {
  padding: 14vh 1.5rem;
  display: flex;
  justify-content: center;
  text-align: center;
  background: var(--bg-alt);
  border-top: 1px solid var(--divider);
  border-bottom: 1px solid var(--divider);
}

.demo-inner {
  max-width: 620px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.demo-heading {
  margin: 0;
  font-size: clamp(2.4rem, 7vw, 4.5rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.05;
  color: var(--fg);
}

.demo-sub {
  margin: 1.25rem 0 2.75rem;
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 300;
  color: var(--fg-muted);
}

.notify-form {
  display: flex;
  width: 100%;
  max-width: 460px;
  gap: 0.75rem;
}

.notify-form input {
  flex: 1;
  min-width: 0;
  padding: 0.95rem 1.1rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--fg);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 300;
  transition: border-color 0.25s ease;
}

.notify-form input::placeholder {
  color: var(--fg-muted);
}

.notify-form input:focus {
  outline: none;
  border-color: var(--accent);
}

.notify-form button {
  flex-shrink: 0;
  padding: 0.95rem 1.6rem;
  background: var(--accent);
  color: #0a0a0a;
  border: 1px solid var(--accent);
  border-radius: 2px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 0.25s ease, border-color 0.25s ease;
}

.notify-form button:hover,
.notify-form button:focus-visible {
  background: #ff7a2e;
  border-color: #ff7a2e;
}

.notify-message {
  min-height: 1.4em;
  margin: 1rem 0 0;
  font-size: 0.85rem;
  color: var(--fg-muted);
}

.notify-message.is-error {
  color: var(--accent);
}

/* Footer */

.site-footer {
  padding: 8vh 1.5rem 6vh;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.site-footer p {
  margin: 0;
  font-size: 0.8rem;
  color: var(--fg-muted);
  letter-spacing: 0.02em;
}

.site-footer a {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  border-bottom: 1px solid transparent;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
}

/* Responsive */

@media (max-width: 820px) {
  .principles {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .principle {
    padding: 2rem 0 0;
  }
}

@media (max-width: 560px) {
  .notify-form {
    flex-direction: column;
  }

  .notify-form button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal,
  .wordmark-rule {
    opacity: 1;
    transform: none;
    transition: none;
  }
}