/* ==========================================================================
   $WHY — main.css
   Design tokens
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,600;0,9..144,700;0,9..144,900;1,9..144,500;1,9..144,600&family=Inter:wght@400;500;600&family=Space+Mono:wght@400;700&display=swap');

:root {
  /* color */
  --bg: #05080a;
  --bg-deep: #020403;
  --green-bright: #d4ff5f;
  --green-mid: #a3e635;
  --green-dim: #5f8a2c;
  --green-line: rgba(212, 255, 95, 0.16);
  --green-line-strong: rgba(212, 255, 95, 0.34);
  --ink: #eef4e2;
  --ink-soft: rgba(238, 244, 226, 0.72);
  --ink-faint: rgba(238, 244, 226, 0.46);

  /* type */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Space Mono', 'Courier New', monospace;

  /* layout */
  --edge: clamp(1.25rem, 5vw, 4.5rem);
  --max: 1180px;
  --radius-sm: 3px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  width: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  width: 100%;
  max-width: 100vw;
  font-family: var(--font-body);
  color: var(--ink-soft);
  background: var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; }

/* ---- fixed backdrop ---------------------------------------------------- */

.backdrop {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image: url('/public/images/bg-desktop.jpg');
  background-size: cover;
  background-position: center 30%;
  background-repeat: no-repeat;
}

.backdrop::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(2, 4, 3, 0.35) 0%,
    rgba(2, 4, 3, 0.15) 18%,
    rgba(2, 4, 3, 0.2) 55%,
    rgba(2, 4, 3, 0.75) 100%
  );
}

@media (max-width: 760px) {
  .backdrop {
    background-image: url('/public/images/bg-mobile.jpg');
    background-position: center top;
  }
}

/* ---- generic ------------------------------------------------------------ */

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

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--edge);
  padding-right: var(--edge);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--green-bright);
  margin: 0 0 1rem;
  display: flex;
  align-items: center;
  gap: 0.6em;
}

.eyebrow::before {
  content: '';
  width: 22px;
  height: 1px;
  background: var(--green-bright);
  display: inline-block;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--ink);
  margin: 0;
  letter-spacing: -0.01em;
}

.cursor {
  display: inline-block;
  color: var(--green-bright);
  animation: blink 1.1s steps(1) infinite;
}

@keyframes blink {
  0%, 45% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

/* ---- buttons -------------------------------------------------------------- */

.btn {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  padding: 0.85em 1.6em;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  border: 1px solid var(--green-line-strong);
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.15s ease;
  cursor: pointer;
  background: transparent;
}

.btn-solid {
  background: var(--green-bright);
  color: #0a1200;
  border-color: var(--green-bright);
  font-weight: 700;
}

.btn-solid:hover { background: var(--green-mid); border-color: var(--green-mid); transform: translateY(-1px); }

.btn-outline {
  color: var(--ink);
  border-color: var(--green-line-strong);
}

.btn-outline:hover {
  border-color: var(--green-bright);
  color: var(--green-bright);
  transform: translateY(-1px);
}

.btn:focus-visible, a:focus-visible, button:focus-visible {
  outline: 2px solid var(--green-bright);
  outline-offset: 3px;
}

/* ---- nav ------------------------------------------------------------------ */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 1.1rem var(--edge);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(to bottom, rgba(2, 4, 3, 0.7), transparent);
  backdrop-filter: none;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.01em;
}

.brand img { height: 28px; width: 28px; object-fit: contain; }

.nav-links {
  display: flex;
  gap: 2.2rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-links a { color: var(--ink-faint); transition: color 0.2s ease; }
.nav-links a:hover { color: var(--green-bright); }

.nav-cta { display: none; }

@media (min-width: 860px) {
  .nav-cta { display: inline-flex; }
}

.nav-toggle {
  display: inline-flex;
  background: none;
  border: 1px solid var(--green-line-strong);
  color: var(--ink);
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

@media (min-width: 860px) {
  .nav-toggle { display: none; }
}

.nav-links { display: none; }

@media (min-width: 860px) {
  .nav-links { display: flex; }
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 1.2rem;
  padding: 1.5rem var(--edge) 2rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  background: rgba(2, 4, 3, 0.92);
  border-bottom: 1px solid var(--green-line);
}

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

.mobile-menu a { color: var(--ink-soft); }
.mobile-menu a:hover { color: var(--green-bright); }

/* ---- hero ------------------------------------------------------------------ */

.hero {
  min-height: 92vh;
  display: flex;
  align-items: flex-end;
  padding-top: 4rem;
  padding-bottom: 4.5rem;
}

.hero-inner {
  max-width: 760px;
}

.hero h1 {
  font-size: clamp(2rem, 5.4vw, 3.6rem);
  line-height: 1.08;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.55);
}

.hero h1 em {
  font-style: italic;
  color: var(--green-bright);
}

.hero-sub {
  margin: 1.4rem 0 2.2rem;
  max-width: 560px;
  font-size: 1.02rem;
  line-height: 1.65;
  color: var(--ink-soft);
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.5);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  align-items: center;
  margin-bottom: 1.8rem;
}

.ca-chip {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.7rem;
  max-width: 100%;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
  border: 1px solid var(--green-line);
  border-radius: var(--radius-sm);
  padding: 0.6em 0.9em;
  background: rgba(5, 8, 10, 0.35);
}

.ca-chip span { word-break: break-all; min-width: 0; }

@media (max-width: 480px) {
  .ca-chip { font-size: 0.68rem; }
}

.ca-chip button {
  background: none;
  border: none;
  color: var(--green-bright);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.2em 0.5em;
  border: 1px solid var(--green-line-strong);
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.ca-chip button:hover { background: var(--green-bright); color: #0a1200; }

.social-row {
  display: flex;
  gap: 0.9rem;
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--green-line-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s ease, transform 0.15s ease, background-color 0.2s ease;
  background: rgba(5, 8, 10, 0.35);
}

.social-icon svg { width: 17px; height: 17px; fill: var(--ink); }
.social-icon img { width: 20px; height: 20px; object-fit: contain; }

.social-icon:hover {
  border-color: var(--green-bright);
  background: rgba(212, 255, 95, 0.08);
  transform: translateY(-2px);
}

/* ---- sections --------------------------------------------------------------- */

section {
  padding: 5.5rem 0;
  border-top: 1px solid var(--green-line);
}

.section-head {
  max-width: 620px;
  margin-bottom: 3rem;
}

.section-head h2 {
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  line-height: 1.2;
}

.lede {
  display: grid;
  gap: 2.4rem;
  grid-template-columns: 1fr;
}

@media (min-width: 780px) {
  .lede { grid-template-columns: 1.1fr 0.9fr; align-items: start; }
}

.lede p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ink-soft);
  margin: 0 0 1.2rem;
}

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

.quote-mark {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.35rem;
  color: var(--green-bright);
  line-height: 1.45;
  border-left: 2px solid var(--green-line-strong);
  padding-left: 1.3rem;
}

/* ---- stat grid ---------------------------------------------------------------- */

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border: 1px solid var(--green-line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

@media (min-width: 700px) {
  .stat-grid { grid-template-columns: repeat(4, 1fr); }
}

.stat {
  padding: 1.6rem 1.5rem;
  border-right: 1px solid var(--green-line);
  border-bottom: 1px solid var(--green-line);
}

.stat:nth-child(2n) { border-right: none; }

@media (min-width: 700px) {
  .stat:nth-child(2n) { border-right: 1px solid var(--green-line); }
  .stat:nth-child(4n) { border-right: none; }
  .stat { border-bottom: none; }
}

.stat:nth-last-child(-n+1),
.stat:nth-last-child(-n+2) {
  border-bottom: none;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.6rem;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--ink);
  word-break: break-word;
}

.stat-value.accent { color: var(--green-bright); }

.stat-copy {
  display: inline-flex;
  align-items: center;
  background: none;
  border: none;
  color: var(--green-mid);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  margin-left: 0.5em;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  padding: 0;
}

/* ---- steps ---------------------------------------------------------------------- */

.steps {
  display: grid;
  gap: 1px;
  background: var(--green-line);
  border: 1px solid var(--green-line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

@media (min-width: 780px) {
  .steps { grid-template-columns: repeat(3, 1fr); }
}

.step {
  background: rgba(5, 8, 10, 0.55);
  padding: 2rem 1.8rem;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--green-bright);
  margin-bottom: 1rem;
}

.step h3 {
  font-size: 1.08rem;
  margin-bottom: 0.6rem;
}

.step p {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--ink-faint);
  margin: 0;
}

/* ---- community cards -------------------------------------------------------------- */

.card-row {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 700px) {
  .card-row { grid-template-columns: repeat(3, 1fr); }
}

.social-card {
  border: 1px solid var(--green-line);
  border-radius: var(--radius-sm);
  padding: 1.6rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: border-color 0.2s ease, background-color 0.2s ease;
  background: rgba(5, 8, 10, 0.35);
}

.social-card:hover {
  border-color: var(--green-line-strong);
  background: rgba(212, 255, 95, 0.05);
}

.social-card .icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--green-line-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.social-card .icon svg { width: 18px; height: 18px; fill: var(--ink); }
.social-card .icon img { width: 22px; height: 22px; object-fit: contain; }

.social-card .label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.25rem;
}

.social-card .name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--ink);
}

.social-card .arrow {
  margin-left: auto;
  color: var(--green-bright);
  font-family: var(--font-mono);
  opacity: 0.7;
}

/* ---- footer ---------------------------------------------------------------------- */

footer {
  border-top: 1px solid var(--green-line);
  padding: 3rem 0 2.5rem;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.8rem;
}

.footer-note {
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--ink-faint);
  max-width: 640px;
  margin: 0 0 1.2rem;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-faint);
  border-top: 1px solid var(--green-line);
  padding-top: 1.3rem;
}

.footer-ca { word-break: break-all; }

/* ---- reveal on scroll -------------------------------------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ---- toast ---------------------------------------------------------------------- */

.toast {
  position: fixed;
  bottom: 1.6rem;
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  background: var(--green-bright);
  color: #0a1200;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.7em 1.2em;
  border-radius: var(--radius-sm);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 100;
}

.toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}