/* Antony Fraudci — cell-block parody */

:root {
  --navy: #163254;
  --navy-deep: #0d1c2e;
  --steel: #5a6574;
  --bar: #1c2129;
  --bar-shine: #3a4554;
  --wall: #d5dbe3;
  --wall-deep: #aeb8c4;
  --paper: #eef1f5;
  --ink: #121820;
  --ink-soft: #3a4552;
  --syringe: #2ec4ff;
  --syringe-hot: #7adbff;
  --seal: #c0392b;
  --seal-dark: #8e241a;
  --glass: rgba(238, 241, 245, 0.72);
  --line: rgba(18, 24, 32, 0.12);
  --shadow: 0 24px 60px rgba(13, 28, 46, 0.28);
  --radius: 4px;
  --header-h: 72px;
  --font-brand: "Anton", sans-serif;
  --font-display: "Oswald", sans-serif;
  --font-body: "Source Serif 4", Georgia, serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  background: var(--wall);
  overflow-x: hidden;
}

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

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

button {
  font: inherit;
  cursor: pointer;
  border: 0;
  background: none;
  color: inherit;
}

code {
  font-family: var(--font-mono);
}

/* ---------- Atmosphere ---------- */

.stage {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 55% at 50% -10%, rgba(46, 196, 255, 0.18), transparent 55%),
    radial-gradient(ellipse 50% 40% at 85% 70%, rgba(22, 50, 84, 0.16), transparent 60%),
    linear-gradient(165deg, #e8edf3 0%, #c9d2de 42%, #b7c2d0 100%);
}

.stage-wash {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 46px,
      rgba(18, 24, 32, 0.035) 46px,
      rgba(18, 24, 32, 0.035) 52px
    );
  animation: wash-drift 18s linear infinite;
}

.stage-bars {
  position: absolute;
  inset: 0;
  display: flex;
  justify-content: space-evenly;
  opacity: 0.08;
}

.stage-bars span {
  width: clamp(10px, 1.4vw, 18px);
  height: 100%;
  background: linear-gradient(
    180deg,
    var(--bar) 0%,
    var(--bar-shine) 18%,
    var(--bar) 50%,
    var(--bar-shine) 82%,
    var(--bar) 100%
  );
  box-shadow: 2px 0 0 rgba(255, 255, 255, 0.08);
  transform-origin: top center;
  animation: bar-breathe 7s ease-in-out infinite;
}

.stage-bars span:nth-child(odd) {
  animation-delay: -2.2s;
}

.stage-scan {
  position: absolute;
  left: 0;
  right: 0;
  height: 28%;
  background: linear-gradient(
    180deg,
    transparent,
    rgba(46, 196, 255, 0.07),
    transparent
  );
  animation: scan-sweep 9s ease-in-out infinite;
}

.stage-grain,
#dust {
  position: absolute;
  inset: 0;
}

.stage-grain {
  opacity: 0.14;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
  animation: grain-shift 0.45s steps(2) infinite;
}

#dust {
  width: 100%;
  height: 100%;
}

@keyframes wash-drift {
  from { transform: translateX(0); }
  to { transform: translateX(-52px); }
}

@keyframes bar-breathe {
  0%, 100% { transform: scaleY(1); opacity: 0.9; }
  50% { transform: scaleY(1.015); opacity: 1; }
}

@keyframes scan-sweep {
  0%, 100% { transform: translateY(-40%); opacity: 0.2; }
  50% { transform: translateY(220%); opacity: 0.85; }
}

@keyframes grain-shift {
  0% { transform: translate(0, 0); }
  50% { transform: translate(-1%, 1%); }
  100% { transform: translate(1%, -1%); }
}

/* ---------- Header ---------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  height: var(--header-h);
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease), backdrop-filter 0.35s;
}

.site-header.is-scrolled {
  background: rgba(238, 241, 245, 0.86);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line), 0 10px 30px rgba(13, 28, 46, 0.08);
}

.header-inner {
  max-width: 1180px;
  height: 100%;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(22, 50, 84, 0.35);
  box-shadow: 0 0 0 3px rgba(46, 196, 255, 0.18);
}

.brand-stack {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--navy);
}

.brand-ticker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--steel);
  letter-spacing: 0.04em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav a {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  position: relative;
  transition: color 0.25s;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background: var(--syringe);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}

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

.nav a:hover::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.icon-link {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(22, 50, 84, 0.22);
  background: rgba(255, 255, 255, 0.72);
  transition: transform 0.25s var(--ease), border-color 0.25s, background 0.25s, box-shadow 0.25s;
}

.icon-link img,
.footer-social a img,
.inline-link img,
.btn-icon {
  width: 18px;
  height: 18px;
  transition: filter 0.25s var(--ease);
}

.join-link img {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  transition: filter 0.25s var(--ease);
}

.icon-link:hover {
  transform: translateY(-2px);
  border-color: rgba(46, 196, 255, 0.65);
  background: rgba(46, 196, 255, 0.16);
  box-shadow: 0 0 0 3px rgba(46, 196, 255, 0.12);
}

.icon-link:hover img,
.join-link:hover img,
.footer-social a:hover img,
.inline-link:hover img {
  filter: brightness(0) saturate(100%) invert(64%) sepia(72%) saturate(1900%) hue-rotate(166deg) brightness(104%) contrast(104%);
}

.btn-primary .btn-icon {
  filter: brightness(0) invert(1);
  opacity: 0.95;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.5);
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--navy);
  transition: transform 0.3s var(--ease), opacity 0.3s;
}

.menu-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Shared ---------- */

.section {
  position: relative;
  padding: clamp(4.5rem, 9vw, 7rem) 0;
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.kicker {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--seal);
}

.section-title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--navy-deep);
  line-height: 1.05;
}

.section-text {
  margin: 0 0 1rem;
  color: var(--ink-soft);
  max-width: 56ch;
}

.section-text.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-text strong {
  color: var(--navy);
}

.section-head {
  text-align: center;
  margin-bottom: 2.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 48px;
  padding: 0.75rem 1.35rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: transform 0.25s var(--ease), box-shadow 0.25s, background 0.25s, border-color 0.25s;
}


.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--navy) 0%, #1f4f7c 55%, #186090 100%);
  box-shadow:
    0 0 0 1px rgba(46, 196, 255, 0.25),
    0 12px 28px rgba(22, 50, 84, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 30%, rgba(46, 196, 255, 0.35) 50%, transparent 70%);
  transform: translateX(-120%);
  animation: btn-sheen 4.5s ease-in-out infinite;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow:
    0 0 0 1px rgba(46, 196, 255, 0.45),
    0 16px 34px rgba(22, 50, 84, 0.4),
    0 0 24px rgba(46, 196, 255, 0.25);
}

.btn-ghost {
  color: var(--navy);
  border: 1.5px solid rgba(22, 50, 84, 0.28);
  background: rgba(255, 255, 255, 0.45);
}

.btn-ghost:hover {
  transform: translateY(-2px);
  border-color: var(--syringe);
  background: rgba(46, 196, 255, 0.1);
}

@keyframes btn-sheen {
  0%, 70%, 100% { transform: translateX(-120%); }
  85% { transform: translateX(120%); }
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 1.5rem) 1.25rem 4rem;
}

.hero-inner {
  width: min(1100px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
}

.hero-visual {
  position: relative;
}

.mugshot {
  position: relative;
  width: min(100%, 460px);
  margin-inline: auto;
  aspect-ratio: 1;
  border-radius: 8px;
  overflow: hidden;
  background: linear-gradient(160deg, #f4f6f8, #c5ced8);
  box-shadow: var(--shadow), 0 0 0 1px rgba(18, 24, 32, 0.08);
  isolation: isolate;
}

.mugshot-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: mug-float 6.5s ease-in-out infinite;
}

.mugshot-bars {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  justify-content: space-evenly;
  pointer-events: none;
}

.mugshot-bars::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(13, 28, 46, 0.08),
    transparent 30%,
    transparent 70%,
    rgba(13, 28, 46, 0.18)
  );
}

.mugshot-bars span {
  position: relative;
  width: 9%;
  height: 100%;
  background: linear-gradient(
    90deg,
    #14181f 0%,
    #2f3844 40%,
    #14181f 100%
  );
  box-shadow:
    inset 2px 0 0 rgba(255, 255, 255, 0.12),
    4px 0 12px rgba(0, 0, 0, 0.25);
  transform: translateY(-105%);
  animation: bars-drop 1.2s var(--ease) forwards;
}

.mugshot-bars span:nth-child(1) { animation-delay: 0.05s; }
.mugshot-bars span:nth-child(2) { animation-delay: 0.12s; }
.mugshot-bars span:nth-child(3) { animation-delay: 0.19s; }
.mugshot-bars span:nth-child(4) { animation-delay: 0.26s; }
.mugshot-bars span:nth-child(5) { animation-delay: 0.33s; }
.mugshot-bars span:nth-child(6) { animation-delay: 0.4s; }
.mugshot-bars span:nth-child(7) { animation-delay: 0.47s; }

.mugshot-glow {
  position: absolute;
  inset: auto 18% 12% 18%;
  height: 28%;
  background: radial-gradient(ellipse at center, rgba(46, 196, 255, 0.45), transparent 70%);
  filter: blur(18px);
  z-index: 1;
  animation: syringe-pulse 3.2s ease-in-out infinite;
  pointer-events: none;
}

@keyframes mug-float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-6px) scale(1.015); }
}

@keyframes bars-drop {
  to { transform: translateY(0); }
}

@keyframes syringe-pulse {
  0%, 100% { opacity: 0.45; transform: scale(0.95); }
  50% { opacity: 0.95; transform: scale(1.08); }
}

.hero-copy {
  max-width: 34rem;
}

.chain-tag {
  margin: 0 0 0.75rem;
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--navy);
  border-bottom: 2px solid var(--syringe);
  padding-bottom: 0.2rem;
}

.hero-brand {
  margin: 0;
  font-family: var(--font-brand);
  font-size: clamp(4.2rem, 11vw, 7.5rem);
  line-height: 0.9;
  letter-spacing: 0.02em;
  color: var(--navy-deep);
  text-shadow: 0 2px 0 rgba(255, 255, 255, 0.35);
  animation: brand-in 1s var(--ease) both;
}

.hero-name {
  margin: 0.55rem 0 1.1rem;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel);
}

.hero-lead {
  margin: 0 0 1.6rem;
  font-size: 1.12rem;
  color: var(--ink-soft);
  max-width: 38ch;
}

.hero-lead strong {
  color: var(--navy);
}

@keyframes brand-in {
  from {
    opacity: 0;
    letter-spacing: 0.18em;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    letter-spacing: 0.02em;
    transform: none;
  }
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.ca-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
  padding: 0.7rem 0.85rem;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  max-width: 100%;
}

.ca-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
}

.ca-value {
  flex: 1;
  min-width: 0;
  font-size: 0.82rem;
  color: var(--navy);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ca-copy {
  padding: 0.4rem 0.75rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
  background: var(--seal);
  border-radius: 2px;
  transition: background 0.2s, transform 0.2s;
}

.ca-copy:hover {
  background: var(--seal-dark);
  transform: translateY(-1px);
}

.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 1.4rem;
  transform: translateX(-50%);
  width: 22px;
  height: 38px;
  display: grid;
  place-items: start center;
  padding-top: 8px;
  border: 1.5px solid rgba(22, 50, 84, 0.28);
  border-radius: 999px;
}

.scroll-line {
  width: 2px;
  height: 10px;
  background: var(--syringe);
  border-radius: 2px;
  animation: scroll-bounce 1.6s ease-in-out infinite;
}

@keyframes scroll-bounce {
  0%, 100% { transform: translateY(0); opacity: 0.35; }
  50% { transform: translateY(10px); opacity: 1; }
}

/* ---------- About ---------- */

.about {
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.35) 20%, rgba(255, 255, 255, 0.35) 80%, transparent);
}

.about-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.2fr;
  gap: clamp(1.75rem, 4vw, 3.5rem);
  align-items: center;
}

.dossier-plate {
  position: relative;
  padding: 1rem;
  background: var(--paper);
  border: 1px solid rgba(18, 24, 32, 0.1);
  box-shadow: var(--shadow);
  transform: rotate(-1.5deg);
  transition: transform 0.45s var(--ease);
}

.dossier-plate:hover {
  transform: rotate(0deg) translateY(-4px);
}

.dossier-plate::before,
.dossier-plate::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(192, 57, 43, 0.55);
}

.dossier-plate::before {
  top: 8px;
  left: 8px;
  border-right: 0;
  border-bottom: 0;
}

.dossier-plate::after {
  bottom: 8px;
  right: 8px;
  border-left: 0;
  border-top: 0;
}

.dossier-plate img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  filter: contrast(1.04) saturate(1.05);
}

.plate-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 0.85rem;
  padding-top: 0.75rem;
  border-top: 1px dashed rgba(18, 24, 32, 0.18);
}

.plate-meta span {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--seal);
}

.plate-meta strong {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--navy);
}

.fact-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.fact {
  padding: 0.9rem 1rem;
  background: rgba(255, 255, 255, 0.55);
  border-left: 3px solid var(--syringe);
  box-shadow: 0 8px 24px rgba(13, 28, 46, 0.06);
}

.fact-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 0.25rem;
}

.fact-value {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--navy-deep);
}

/* ---------- How to buy ---------- */

.protocol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  position: relative;
}

.protocol::before {
  content: "";
  position: absolute;
  left: 27px;
  top: 18px;
  bottom: 18px;
  width: 2px;
  background: linear-gradient(180deg, var(--seal), rgba(46, 196, 255, 0.55), var(--navy));
  opacity: 0.45;
}

.protocol-step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 1.1rem;
  align-items: start;
  padding: 1.15rem 1.25rem;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  position: relative;
  transition: transform 0.3s var(--ease), box-shadow 0.3s, border-color 0.3s;
}

.protocol-step:hover {
  transform: translateX(6px);
  border-color: rgba(46, 196, 255, 0.4);
  box-shadow: 0 14px 34px rgba(13, 28, 46, 0.1);
}

.seal {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.06em;
  color: #fff;
  background:
    radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.28), transparent 45%),
    radial-gradient(circle at 50% 50%, var(--seal), var(--seal-dark));
  box-shadow:
    0 0 0 3px rgba(192, 57, 43, 0.18),
    0 8px 16px rgba(142, 36, 26, 0.28);
  position: relative;
  z-index: 1;
}

.protocol-copy h3 {
  margin: 0.15rem 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--navy-deep);
}

.protocol-copy p {
  margin: 0 0 0.7rem;
  color: var(--ink-soft);
}

.inline-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy);
  border-bottom: 1px solid rgba(46, 196, 255, 0.6);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}

.inline-link:hover {
  color: #145a8a;
  border-color: var(--syringe);
}

/* ---------- Chart ---------- */

.chart-open {
  margin-top: 0.5rem;
}

.chart-frame {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(18, 24, 32, 0.14);
  box-shadow: var(--shadow);
  background: var(--navy-deep);
  min-height: 520px;
}

.chart-frame::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--syringe), transparent);
  animation: chart-line 2.8s ease-in-out infinite;
  z-index: 1;
}

.chart-frame iframe {
  width: 100%;
  height: 620px;
  border: 0;
  display: block;
}

@keyframes chart-line {
  0%, 100% { opacity: 0.25; }
  50% { opacity: 1; }
}

/* ---------- Join ---------- */

.joinus {
  padding-top: 0;
}

.join-banner {
  position: relative;
  width: 100%;
  max-height: min(58vh, 520px);
  overflow: hidden;
  margin-bottom: -4rem;
}

.join-banner img {
  width: 100%;
  height: min(58vh, 520px);
  object-fit: cover;
  object-position: center 40%;
  filter: saturate(1.05) contrast(1.03);
  transform: scale(1.04);
  animation: banner-ken 18s ease-in-out infinite alternate;
}

.join-banner-fade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(201, 210, 222, 0.15), rgba(201, 210, 222, 0.05) 35%, rgba(238, 241, 245, 0.92) 85%, var(--paper) 100%),
    linear-gradient(90deg, rgba(13, 28, 46, 0.18), transparent 25%, transparent 75%, rgba(13, 28, 46, 0.18));
}

@keyframes banner-ken {
  from { transform: scale(1.04) translateY(0); }
  to { transform: scale(1.1) translateY(-2%); }
}

.join-inner {
  position: relative;
  z-index: 1;
  padding-top: 2rem;
}

.join-copy {
  text-align: center;
  margin-bottom: 2rem;
}

.join-copy .section-text {
  margin-inline: auto;
}

.join-links {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
}

.join-link {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem 1.1rem;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.3s var(--ease), border-color 0.3s, box-shadow 0.3s;
}

.join-link span {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}

.join-link strong {
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--navy-deep);
}

.join-link small {
  font-size: 0.82rem;
  color: var(--steel);
}

.join-link:hover {
  transform: translateY(-4px);
  border-color: rgba(46, 196, 255, 0.5);
  box-shadow: 0 16px 30px rgba(13, 28, 46, 0.12);
}

/* ---------- Footer ---------- */

.site-footer {
  padding: 2.5rem 1.25rem 2.75rem;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.4);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  gap: 1.25rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.footer-brand img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(22, 50, 84, 0.25);
}

.footer-brand strong {
  display: block;
  font-family: var(--font-display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--navy-deep);
}

.footer-brand span {
  font-size: 0.9rem;
  color: var(--steel);
}

.footer-note {
  margin: 0;
  max-width: 70ch;
  font-size: 0.9rem;
  color: var(--steel);
}

.footer-social {
  display: flex;
  gap: 0.5rem;
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
  transition: transform 0.25s, border-color 0.25s;
}

.footer-social a:hover {
  transform: translateY(-2px);
  border-color: var(--syringe);
}

/* ---------- Toast ---------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  transform: translate(-50%, 20px);
  padding: 0.7rem 1.1rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
  background: var(--navy);
  border-radius: var(--radius);
  box-shadow: 0 12px 28px rgba(13, 28, 46, 0.3);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s var(--ease);
  z-index: 80;
}

.toast.is-on {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------- Responsive ---------- */

@media (max-width: 920px) {
  .hero-inner,
  .about-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: calc(var(--header-h) + 1rem);
    align-items: flex-start;
  }

  .hero-copy {
    text-align: center;
    margin-inline: auto;
  }

  .hero-lead {
    margin-inline: auto;
  }

  .cta-row,
  .ca-row {
    justify-content: center;
  }

  .join-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 1.25rem 1.25rem;
    background: rgba(238, 241, 245, 0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s var(--ease), opacity 0.35s;
  }

  .nav.is-open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }

  .nav a {
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--line);
  }

  .menu-toggle {
    display: flex;
  }

  .header-actions .icon-link {
    display: none;
  }

  .header-actions .icon-link:first-child {
    display: grid;
  }

  .protocol::before {
    left: 22px;
  }

  .protocol-step {
    grid-template-columns: 48px 1fr;
    padding: 1rem;
  }

  .seal {
    width: 48px;
    height: 48px;
    font-size: 0.9rem;
  }

  .chart-frame,
  .chart-frame iframe {
    min-height: 420px;
    height: 420px;
  }

  .fact-strip {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .join-links {
    grid-template-columns: 1fr;
  }

  .hero-brand {
    font-size: clamp(3.4rem, 18vw, 4.8rem);
  }
}

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

  .reveal {
    opacity: 1;
    transform: none;
  }
}