/* origin — aapinyc.tech
 * Brand: JetBrains Mono · #0F6E56 teal · warm cream background
 */

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

:root {
  --bg: #FAFAF7;
  --bg-card: #FFFFFF;
  --fg: #1A1A1A;
  --fg-muted: #6E6E68;
  --fg-faint: #A8A89F;
  --accent: #0F6E56;
  --accent-soft: rgba(15, 110, 86, 0.08);
  --vermilion: #D9381E;
  --vermilion-soft: rgba(217, 56, 30, 0.08);
  --hairline: rgba(26, 26, 26, 0.1);
  --hairline-strong: rgba(26, 26, 26, 0.18);

  --mono: 'JetBrains Mono', 'SF Mono', 'Menlo', ui-monospace, monospace;
  --container: 1100px;
  --section-gap: 5rem;
}

html {
  font-family: var(--mono);
  font-size: 16px;
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
}

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

/* ===== Cursor ===== */
.cursor {
  display: inline-block;
  width: 0.55em;
  height: 1em;
  background: var(--accent);
  vertical-align: text-bottom;
  margin-left: 0.18em;
  animation: blink 1.1s steps(2, start) infinite;
}

.cursor.static {
  animation: none;
}

@keyframes blink {
  to { visibility: hidden; }
}

/* ===== Header ===== */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--hairline);
  max-width: var(--container);
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 2;
}

.wordmark {
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: baseline;
}

.wordmark .prompt,
.footer-mark .prompt {
  color: var(--fg-faint);
}

header nav {
  display: flex;
  gap: 0.25rem;
  align-items: center;
}

header nav a {
  font-size: 0.875rem;
  padding: 0.55rem 1rem;
  color: var(--fg-muted);
  border-radius: 4px;
  transition: color 0.15s ease, background 0.15s ease;
}

header nav a:hover {
  color: var(--fg);
  background: var(--accent-soft);
}

header nav .nav-cta {
  color: var(--fg);
  border: 1px solid var(--hairline-strong);
}

header nav .nav-cta:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: transparent;
}

/* ===== Main ===== */
main {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 2rem;
  flex: 1;
  width: 100%;
  position: relative;
  z-index: 2;
}

/* Shared prompt line above each section */
.prompt-line {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-bottom: 2.5rem;
  letter-spacing: -0.005em;
  display: flex;
  align-items: center;
  gap: 0.5em;
}

.prompt-line .dollar,
.prompt-line .meta {
  color: var(--fg-faint);
}

/* ===== Page Backdrop ===== */
.page-backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  opacity: 1;
  will-change: opacity;
}

.page-backdrop::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(90deg, rgba(250, 250, 247, 1) 0%, rgba(250, 250, 247, 0.99) 54%, rgba(250, 250, 247, 0.86) 78%, rgba(250, 250, 247, 0.96) 100%),
    radial-gradient(circle at 82% 69%, rgba(15, 110, 86, 0.10), transparent 34%),
    linear-gradient(180deg, rgba(250, 250, 247, 0.92) 0%, rgba(246, 247, 242, 0.78) 52%, rgba(250, 250, 247, 1) 100%);
}

.page-backdrop::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 82% 77%, rgba(15, 110, 86, 0.13), transparent 26%),
    linear-gradient(90deg, rgba(250, 250, 247, 0.35), transparent 56%);
  mix-blend-mode: multiply;
}

.page-map {
  position: absolute;
  top: 10%;
  left: -2%;
  z-index: 1;
  width: min(62%, 680px);
  aspect-ratio: 1000 / 760;
  height: auto;
  opacity: 0.24;
  pointer-events: none;
  mix-blend-mode: multiply;
}

.page-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
  opacity: 0.76;
  mix-blend-mode: multiply;
}

/* ===== Hero ===== */
.hero {
  padding: 6rem 0 var(--section-gap);
  border-bottom: 1px solid var(--hairline);
  position: relative;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.75rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.035em;
  margin-bottom: 2rem;
  max-width: 18ch;
}

.lede {
  font-size: 1.0625rem;
  color: var(--fg-muted);
  max-width: 58ch;
  margin-bottom: 1.25rem;
  line-height: 1.65;
}

.launch-note {
  display: inline-flex;
  align-items: baseline;
  gap: 0.08rem;
  width: fit-content;
  max-width: min(100%, 560px);
  min-height: 1.6rem;
  margin-bottom: 2.5rem;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.launch-dots {
  display: inline-flex;
  width: 1.05em;
}

.launch-dots span {
  animation: launchDot 1.25s ease-in-out infinite;
}

.launch-dots span:nth-child(2) {
  animation-delay: 0.15s;
}

.launch-dots span:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes launchDot {
  0%,
  80%,
  100% {
    opacity: 0.25;
    transform: translateY(0);
  }

  40% {
    opacity: 1;
    transform: translateY(-0.16rem);
  }
}

.hero-ctas {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.cta {
  display: inline-block;
  font-size: 0.925rem;
  font-weight: 500;
  padding: 0.85rem 1.5rem;
  border-radius: 4px;
  transition: all 0.15s ease;
  border: 1px solid;
}

.cta-primary {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}

.cta-primary:hover {
  background: var(--accent);
  border-color: var(--accent);
}

.cta-ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--hairline-strong);
}

.cta-ghost:hover {
  border-color: var(--fg);
}

/* ===== Manifesto ===== */
.manifesto {
  padding: var(--section-gap) 0;
  border-bottom: 1px solid var(--hairline);
}

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

.pillar .num {
  display: block;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 500;
  margin-bottom: 1.25rem;
  letter-spacing: 0.08em;
}

.pillar h3 {
  font-size: 1.15rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
  letter-spacing: -0.015em;
  line-height: 1.3;
}

.pillar p {
  font-size: 0.9375rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ===== Event ===== */
.event {
  padding: var(--section-gap) 0;
  border-bottom: 1px solid var(--hairline);
}

.event-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.event-card--casual {
  background: var(--bg);
  border-style: dashed;
}

.event-card--casual::before {
  background: var(--fg-faint);
}

.event-card {
  border: 1px solid var(--hairline-strong);
  border-radius: 8px;
  padding: 2.5rem;
  background: var(--bg-card);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.event-card > p {
  flex: 1;
}

.event-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent);
}

.event-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.75rem;
  font-size: 0.8125rem;
  color: var(--fg-muted);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.event-label {
  background: var(--vermilion-soft);
  color: var(--vermilion);
  padding: 0.3rem 0.75rem;
  border-radius: 4px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.event-card h2 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 0.75rem;
  line-height: 1.15;
}

.event-card > p {
  color: var(--fg-muted);
  margin-bottom: 1.75rem;
  max-width: 55ch;
  line-height: 1.65;
}

.event-cta {
  color: var(--accent);
  font-weight: 500;
  font-size: 0.925rem;
  display: inline-block;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease;
}

.event-cta:hover {
  border-bottom-color: var(--accent);
}

/* ===== Join ===== */
.join {
  padding: var(--section-gap) 0 7rem;
}

.join-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.join-involve {
  padding-left: 4rem;
  border-left: 1px solid var(--hairline);
}

.involve-link {
  color: var(--accent);
  font-weight: 500;
  font-size: 0.925rem;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease;
  display: inline-block;
}

.involve-link:hover {
  border-bottom-color: var(--accent);
}

.join h2 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 0.75rem;
}

.join-lede {
  color: var(--fg-muted);
  margin-bottom: 2rem;
  max-width: 50ch;
}

#signup {
  display: flex;
  gap: 0.5rem;
  max-width: 500px;
  margin-bottom: 1rem;
}

#signup input {
  flex: 1;
  font-family: var(--mono);
  font-size: 0.9375rem;
  padding: 0.875rem 1rem;
  border: 1px solid var(--hairline-strong);
  border-radius: 4px;
  background: var(--bg-card);
  color: var(--fg);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

#signup input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

#signup input::placeholder {
  color: var(--fg-faint);
}

#signup button {
  font-family: var(--mono);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.875rem 1.5rem;
  border: 1px solid var(--fg);
  border-radius: 4px;
  background: var(--fg);
  color: var(--bg);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

#signup button:hover {
  background: var(--accent);
  border-color: var(--accent);
}

#signup button:disabled {
  cursor: default;
  opacity: 0.8;
}

#signup.success input,
#signup.success button {
  border-color: var(--accent);
}

#signup.success button {
  background: var(--accent);
  color: var(--bg);
}

#signup.error input {
  border-color: var(--vermilion);
}

.join-note {
  font-size: 0.8125rem;
  color: var(--fg-faint);
  max-width: 500px;
}

/* ===== Footer ===== */
footer {
  border-top: 1px solid var(--hairline);
  max-width: var(--container);
  margin: 0 auto;
  padding: 3rem 2rem 2rem;
  width: 100%;
  position: relative;
  z-index: 2;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-mark {
  font-size: 1rem;
  font-weight: 500;
}

.footer-tag {
  font-size: 0.8125rem;
  color: var(--fg-muted);
  margin-top: 0.5rem;
  font-weight: 400;
}

.footer-nav,
.footer-social {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 0.85rem;
}

.footer-nav a,
.footer-social a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--fg-muted);
  transition: color 0.15s ease;
  width: fit-content;
}

.footer-icon {
  width: 1rem;
  height: 1rem;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.footer-nav a:hover,
.footer-social a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--fg-faint);
  padding-top: 2rem;
  border-top: 1px solid var(--hairline);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-bottom .dollar {
  color: var(--fg-faint);
  margin-right: 0.3em;
}

.footer-bottom .git-line {
  color: var(--fg-muted);
}

.legal-links {
  display: inline-flex;
  gap: 1rem;
}

.legal-links a {
  color: var(--fg-muted);
  transition: color 0.15s ease;
}

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

/* ===== Legal pages ===== */
.legal-page {
  padding: 5rem 0 7rem;
  max-width: 760px;
}

.legal-page h1 {
  font-size: clamp(2.35rem, 7vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.98;
  margin-bottom: 0.9rem;
}

.legal-updated {
  color: var(--fg-muted);
  margin-bottom: 3rem;
  font-size: 0.9rem;
}

.legal-page section {
  padding: 1.75rem 0;
  border-top: 1px solid var(--hairline);
}

.legal-page h2 {
  font-size: 1.15rem;
  line-height: 1.35;
  margin-bottom: 0.85rem;
  letter-spacing: -0.02em;
}

.legal-page p {
  color: var(--fg-muted);
  max-width: 74ch;
  margin-bottom: 0.85rem;
}

.legal-page p:last-child {
  margin-bottom: 0;
}

.legal-page a {
  color: var(--accent);
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease;
}

.legal-page a:hover {
  border-bottom-color: var(--accent);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  header {
    padding: 1rem 1.25rem;
  }

  header nav a {
    padding: 0.5rem 0.75rem;
    font-size: 0.825rem;
  }

  main {
    padding: 0 1.25rem;
  }

  .hero {
    padding: 4rem 0 3.5rem;
  }

  .page-backdrop::before {
    background:
      linear-gradient(90deg, rgba(250, 250, 247, 1) 0%, rgba(250, 250, 247, 0.95) 48%, rgba(250, 250, 247, 0.80) 100%),
      radial-gradient(circle at 86% 76%, rgba(15, 110, 86, 0.11), transparent 36%);
  }

  .page-map {
    top: 24%;
    left: -12%;
    width: 84%;
    opacity: 0.22;
  }

  .page-backdrop::after {
    background-image:
      radial-gradient(circle at 79% 70%, rgba(15, 110, 86, 0.11), transparent 34%),
      linear-gradient(90deg, rgba(250, 250, 247, 0.55), transparent 70%);
  }

  .page-canvas {
    opacity: 0.58;
  }

  .hero h1 {
    letter-spacing: -0.03em;
  }

  .lede {
    font-size: 1rem;
  }

  .pillars {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .manifesto,
  .event,
  .join {
    padding: 3.5rem 0;
  }

  .event-list {
    grid-template-columns: 1fr;
  }

  .join-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .join-involve {
    padding-left: 0;
    border-left: none;
    padding-top: 3rem;
    border-top: 1px solid var(--hairline);
  }

  .event-card {
    padding: 1.75rem 1.5rem;
  }

  .event-card h2,
  .join h2 {
    font-size: 1.625rem;
  }

  #signup {
    flex-direction: column;
  }

  footer {
    padding: 2.5rem 1.25rem 1.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

/* Respect prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}