/* =========================================================
   WavWiz landing page
   Plain CSS, no build step. Brand: navy/charcoal, orange #FF5A1F, teal #2EC4B6.
   ========================================================= */

/* Self-hosted fonts (SIL Open Font License) so the page makes no third-party requests */
@font-face { font-family: "Space Grotesk"; src: url("assets/fonts/space-grotesk-latin.woff2") format("woff2"); font-weight: 300 700; font-display: swap; }
@font-face { font-family: "Inter"; src: url("assets/fonts/inter-latin.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("assets/fonts/jetbrains-mono-latin.woff2") format("woff2"); font-weight: 100 800; font-display: swap; }

:root {
  --bg: #0b1020;
  --bg-2: #0f1529;
  --panel: #131a2e;
  --panel-2: #182039;
  --line: #243050;
  --line-2: #2f3c62;
  --text: #e9edf7;
  --muted: #9aa5c0;
  --orange: #ff5a1f;
  --orange-2: #ff7a45;
  --teal: #2ec4b6;
  --teal-2: #5be0d3;
  --r: 3px;
  --maxw: 1200px;
  --font-head: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
  --header-h: 64px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); overflow-x: hidden; }
@supports (overflow: clip) { html { overflow-x: clip; } }
html { background: var(--bg); }
body {
  margin: 0;
  background: transparent;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
@supports (overflow: clip) { body { overflow-x: clip; } }
img, svg, canvas { display: block; max-width: 100%; }
a { color: var(--teal-2); }
a:hover { color: var(--orange-2); }
h1, h2, h3 { font-family: var(--font-head); line-height: 1.1; margin: 0 0 .5em; letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 4.2vw, 3.1rem); }
h3 { font-size: 1.18rem; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; border-radius: var(--r); }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 860px; }

.skip-link { position: absolute; left: -9999px; top: 8px; z-index: 1000; background: var(--orange); color: #fff; padding: 8px 14px; border-radius: var(--r); }
.skip-link:focus { left: 8px; }

.wm-wav { color: var(--orange); }
.wm-wiz { color: var(--teal); }
.accent-o { color: var(--orange); }
.accent-t { color: var(--teal); }

/* ---------------- Background watermark ----------------
   Faint wizard emblem fixed behind everything (z-index -1 sits above the root
   background but below all page content, including the hero starfield). */
.watermark {
  position: fixed; left: 50%; top: 50%; z-index: -1; pointer-events: none;
  width: min(86vmin, 760px); aspect-ratio: 540 / 560;
  transform: translate(-50%, -46%);
  background: url("assets/img/wavwiz-watermark.png") center / contain no-repeat;
  opacity: .1; filter: blur(1px) saturate(.55);
}

/* ---------------- Header ---------------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50; height: var(--header-h);
  background: rgba(11, 16, 32, .55);
  backdrop-filter: blur(12px) saturate(140%); -webkit-backdrop-filter: blur(12px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: background .3s, border-color .3s;
}
.site-header.is-scrolled { background: rgba(11, 16, 32, .9); border-bottom-color: var(--line); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.wordmark { font-family: var(--font-head); font-weight: 700; font-size: 1.6rem; letter-spacing: -0.03em; text-decoration: none; line-height: 1; }
.wordmark:hover .wm-wav { text-shadow: 0 0 18px rgba(255, 90, 31, .7); }
.wordmark:hover .wm-wiz { text-shadow: 0 0 18px rgba(46, 196, 182, .7); }
.site-nav { display: flex; align-items: center; gap: 4px; }
.site-nav > a:not(.btn) { color: var(--muted); text-decoration: none; font-weight: 500; font-size: .95rem; padding: 8px 12px; border-radius: var(--r); position: relative; transition: color .2s; }
.site-nav > a:not(.btn)::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 4px; height: 2px; background: linear-gradient(90deg, var(--orange), var(--teal)); transform: scaleX(0); transform-origin: left; transition: transform .25s; }
.site-nav > a:not(.btn):hover { color: var(--text); }
.site-nav > a:not(.btn):hover::after { transform: scaleX(1); }
.site-nav .btn { margin-left: 8px; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line-2); border-radius: var(--r); width: 44px; height: 40px; padding: 10px; cursor: pointer; }
.nav-toggle span { display: block; height: 2px; background: var(--text); margin: 4px 0; transition: transform .25s, opacity .25s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------------- Buttons ---------------- */
.btn {
  --glow: rgba(46, 196, 182, .45);
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-head); font-weight: 600; font-size: 1rem; letter-spacing: .01em;
  text-decoration: none; color: var(--text); cursor: pointer;
  padding: 12px 20px; border-radius: var(--r); border: 1px solid var(--line-2);
  background: rgba(19, 26, 46, .7);
  position: relative; overflow: hidden; isolation: isolate;
  transition: transform .2s, box-shadow .25s, border-color .25s, background .25s, color .2s;
}
.btn .ico { width: 20px; height: 20px; flex: none; }
.btn:hover { color: #fff; transform: translateY(-2px); border-color: var(--teal); box-shadow: 0 0 0 1px var(--teal), 0 8px 30px -6px var(--glow), 0 0 24px -4px var(--glow); }
.btn:active { transform: translateY(0); }
.btn-sm { padding: 8px 14px; font-size: .92rem; }
.btn-sm .ico { width: 18px; height: 18px; }
.btn-lg { padding: 16px 28px; font-size: 1.08rem; }
.btn-primary { --glow: rgba(255, 90, 31, .6); background: linear-gradient(135deg, var(--orange), #ff7b2e); border-color: transparent; color: #fff; box-shadow: 0 0 28px -6px rgba(255, 90, 31, .65); }
.btn-primary::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,.45) 50%, transparent 70%); transform: translateX(-120%); animation: shine 3.6s ease-in-out infinite; }
.btn-primary:hover { border-color: transparent; box-shadow: 0 0 0 1px rgba(255,160,120,.6), 0 10px 40px -6px var(--glow), 0 0 50px -8px var(--glow); }
.btn-ghost:hover { background: rgba(46, 196, 182, .08); }
@keyframes shine { 0%, 55% { transform: translateX(-120%); } 85%, 100% { transform: translateX(120%); } }

/* ---------------- Hero ---------------- */
.hero {
  position: relative; min-height: 100vh; min-height: 100svh;
  display: flex; align-items: center; overflow: hidden;
  padding: calc(var(--header-h) + 40px) 0 90px;
  background: radial-gradient(120% 90% at 50% 40%, rgba(18, 26, 53, .55) 0%, rgba(11, 16, 32, 0) 60%);
}
.warp { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.hero-grid { position: absolute; inset: auto 0 0 0; height: 45%; z-index: 0; pointer-events: none;
  background-image: linear-gradient(rgba(46,196,182,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(46,196,182,.12) 1px, transparent 1px);
  background-size: 48px 48px;
  transform: perspective(500px) rotateX(60deg); transform-origin: bottom;
  -webkit-mask-image: linear-gradient(to top, #000 0%, transparent 85%); mask-image: linear-gradient(to top, #000 0%, transparent 85%);
  animation: gridmove 2.4s linear infinite;
}
@keyframes gridmove { to { background-position: 0 48px, 0 0; } }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(70px); pointer-events: none; z-index: 0; opacity: .55; }
.hero-glow-a { width: 520px; height: 520px; background: radial-gradient(circle, rgba(255,90,31,.55), transparent 65%); left: -160px; top: 8%; }
.hero-glow-b { width: 560px; height: 560px; background: radial-gradient(circle, rgba(46,196,182,.45), transparent 65%); right: -180px; bottom: -10%; }
.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr; gap: 0; align-items: center; max-width: 820px; margin-inline: auto; }
.hero-copy { will-change: transform; }

.hero-eyebrow {
  margin: 0 0 10px; font-family: var(--font-head); font-weight: 600; font-size: .92rem;
  letter-spacing: .16em; text-transform: uppercase; color: var(--teal);
}
.badge { display: inline-flex; align-items: center; gap: 10px; padding: 7px 14px; border-radius: var(--r); font-family: var(--font-head); font-weight: 600; font-size: .9rem; letter-spacing: .02em;
  color: var(--teal-2); background: rgba(46,196,182,.1); border: 1px solid rgba(46,196,182,.45); box-shadow: 0 0 20px -6px rgba(46,196,182,.6); margin-bottom: 24px; }
.badge-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 0 rgba(46,196,182,.7); animation: ping 1.8s infinite; flex: none; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 rgba(46,196,182,.7); } 80%, 100% { box-shadow: 0 0 0 10px rgba(46,196,182,0); } }

.hero-title { font-size: clamp(2.9rem, 7.6vw, 6.2rem); font-weight: 700; letter-spacing: -0.045em; line-height: .98; margin-bottom: 24px; }
.hero-title .line { display: block; }
.glow-text {
  background: linear-gradient(90deg, var(--orange) 0%, #ff8a4c 30%, var(--teal) 70%, var(--teal-2) 100%);
  background-size: 200% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: hue-slide 6s ease-in-out infinite alternate, glow-pulse 2.4s ease-in-out infinite;
  padding-bottom: .06em;
}
@keyframes hue-slide { from { background-position: 0% 0; } to { background-position: 100% 0; } }
@keyframes glow-pulse {
  0%, 100% { filter: drop-shadow(0 0 6px rgba(255,90,31,.45)) drop-shadow(0 0 22px rgba(255,90,31,.25)); }
  50% { filter: drop-shadow(0 0 14px rgba(46,196,182,.75)) drop-shadow(0 0 44px rgba(46,196,182,.4)); }
}
.hero-sub { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: #c5cde0; max-width: 40em; margin-bottom: 32px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-meta { margin-top: 20px; color: var(--muted); font-size: .92rem; }


.scroll-cue { position: absolute; left: 50%; bottom: 26px; z-index: 2; width: 26px; height: 42px; margin-left: -13px; border: 2px solid rgba(233,237,247,.4); border-radius: 13px; }
.scroll-cue span { position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px; border-radius: 2px; background: var(--teal); animation: cue 1.8s ease-in-out infinite; }
@keyframes cue { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(14px); opacity: 0; } 100% { opacity: 0; } }

/* ---------------- EQ strip ---------------- */
.eq-strip { position: relative; height: 92px; overflow: hidden; background: linear-gradient(180deg, rgba(11, 16, 32, .35) 0%, rgba(13, 19, 38, .7) 100%); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.eq-track { position: absolute; left: 0; top: 0; bottom: 0; display: flex; align-items: center; gap: 5px; width: max-content; animation: eq-scroll 28s linear infinite; }
.eq-bar { width: 7px; height: 70px; border-radius: 1px; transform-origin: center; background: linear-gradient(180deg, var(--orange) 0%, #ff9a5a 30%, var(--teal) 70%, var(--orange) 100%);
  box-shadow: 0 0 10px rgba(255,90,31,.35); animation: eq-bounce var(--d, .9s) ease-in-out var(--dl, 0s) infinite alternate; transform: scaleY(var(--s0, .3)); opacity: .9; }
.eq-bar:nth-child(3n) { background: linear-gradient(180deg, var(--teal) 0%, var(--teal-2) 35%, var(--orange) 75%, var(--teal) 100%); box-shadow: 0 0 10px rgba(46,196,182,.4); }
@keyframes eq-bounce { from { transform: scaleY(var(--s0, .2)); } to { transform: scaleY(var(--s1, 1)); } }
@keyframes eq-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------------- Sections ---------------- */
.section { position: relative; padding: 110px 0; }
.section-alt { background: linear-gradient(180deg, rgba(15, 21, 41, .72), rgba(12, 18, 36, .72)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-alt::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: radial-gradient(rgba(46,196,182,.18) 1px, transparent 1px); background-size: 26px 26px;
  -webkit-mask-image: radial-gradient(70% 60% at 50% 0%, #000, transparent); mask-image: radial-gradient(70% 60% at 50% 0%, #000, transparent); }
.section > .container { position: relative; }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.eyebrow { display: inline-block; font-family: var(--font-head); font-weight: 600; text-transform: uppercase; letter-spacing: .18em; font-size: .8rem; color: var(--orange); margin-bottom: 14px; padding: 4px 10px; border: 1px solid rgba(255,90,31,.4); border-radius: var(--r); background: rgba(255,90,31,.07); }
.section-lead { color: var(--muted); font-size: 1.1rem; }

/* ---------------- Cards ---------------- */
.card {
  --mx: 50%; --my: 50%;
  position: relative; background: linear-gradient(180deg, var(--panel), #10172a);
  border: 1px solid var(--line); border-radius: var(--r); padding: 26px;
  transition: transform .3s cubic-bezier(.2,.8,.2,1), border-color .3s, box-shadow .3s;
  isolation: isolate;
}
.card::before { content: ""; position: absolute; inset: 0; border-radius: inherit; z-index: -1; opacity: 0; transition: opacity .3s;
  background: radial-gradient(420px circle at var(--mx) var(--my), rgba(46,196,182,.14), transparent 45%); }
.card:hover { transform: translateY(-4px); border-color: rgba(46,196,182,.6); box-shadow: 0 0 0 1px rgba(46,196,182,.25), 0 18px 50px -18px rgba(46,196,182,.55), 0 0 40px -18px rgba(255,90,31,.45); }
.card:hover::before { opacity: 1; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature h3 { margin-top: 18px; }
.feature p { color: var(--muted); margin: 0; font-size: .98rem; }
.feature-wide { grid-row: span 2; display: flex; flex-direction: column; }
.feature-ico { width: 48px; height: 48px; border-radius: var(--r); display: grid; place-items: center; }
.feature-ico svg { width: 26px; height: 26px; }
.ico-o { color: var(--orange); background: rgba(255,90,31,.1); border: 1px solid rgba(255,90,31,.35); box-shadow: 0 0 18px -6px rgba(255,90,31,.6); }
.ico-t { color: var(--teal); background: rgba(46,196,182,.1); border: 1px solid rgba(46,196,182,.35); box-shadow: 0 0 18px -6px rgba(46,196,182,.6); }
.card:hover .feature-ico { animation: icon-pop .5s ease; }
@keyframes icon-pop { 50% { transform: scale(1.12) rotate(-4deg); } }
.mini-eq { margin-top: auto; padding-top: 22px; height: 110px; display: flex; align-items: flex-end; gap: 4px; }
.mini-eq span { flex: 1; height: 100%; border-radius: 1px; transform-origin: bottom; background: linear-gradient(0deg, var(--teal), var(--orange)); opacity: .85; animation: eq-bounce var(--d, .8s) ease-in-out var(--dl, 0s) infinite alternate; transform: scaleY(var(--s0, .3)); box-shadow: 0 0 10px -2px rgba(255,90,31,.5); }
.chips { list-style: none; padding: 0; margin: 18px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { font-size: .85rem; font-weight: 500; padding: 6px 10px; border-radius: var(--r); border: 1px solid var(--line-2); background: rgba(255,255,255,.03); transition: border-color .2s, color .2s, box-shadow .2s; }
.chips li:nth-child(odd):hover { border-color: var(--orange); color: #fff; box-shadow: 0 0 14px -4px rgba(255,90,31,.7); }
.chips li:nth-child(even):hover { border-color: var(--teal); color: #fff; box-shadow: 0 0 14px -4px rgba(46,196,182,.7); }

/* ---------------- Steps ---------------- */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; position: relative; counter-reset: s; }
.steps::before { content: ""; position: absolute; left: 8%; right: 8%; top: 52px; height: 2px; z-index: 0;
  background: linear-gradient(90deg, var(--orange), var(--teal), var(--orange)); background-size: 200% 100%; animation: flow 3s linear infinite; opacity: .55; }
@keyframes flow { to { background-position: -200% 0; } }
.step { padding-top: 30px; }
.step-num { display: inline-grid; place-items: center; width: 56px; height: 56px; margin-bottom: 20px; font-family: var(--font-mono); font-weight: 500; font-size: 1.15rem; color: #fff;
  border-radius: var(--r); background: var(--bg); border: 1px solid var(--orange); box-shadow: 0 0 22px -4px rgba(255,90,31,.75), inset 0 0 12px rgba(255,90,31,.25); }
.step:nth-child(2) .step-num { border-color: var(--teal); box-shadow: 0 0 22px -4px rgba(46,196,182,.75), inset 0 0 12px rgba(46,196,182,.25); }
.step p { color: var(--muted); margin: 0; }

/* ---------------- Visualizer showcase ---------------- */
.viz-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 18px; align-items: stretch; }
.viz-stage { padding: 0; overflow: hidden; aspect-ratio: 16 / 9; background: #070b17; min-width: 0; width: 100%; align-self: start; }
.viz-stage:hover { transform: none; }
.viz-stage canvas { width: 100%; height: 100%; }
.viz-hud { position: absolute; inset: 14px 14px auto 14px; display: flex; justify-content: space-between; align-items: center; gap: 10px; pointer-events: none; }
.viz-live { display: inline-flex; align-items: center; gap: 8px; font-size: .78rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--teal-2); padding: 5px 10px; border-radius: var(--r); background: rgba(7,11,23,.7); border: 1px solid rgba(46,196,182,.35); }
.viz-name { font-family: var(--font-head); font-weight: 700; font-size: 1.05rem; padding: 4px 10px; border-radius: var(--r); background: rgba(7,11,23,.7); border: 1px solid rgba(255,90,31,.4); color: #fff; }
.viz-side { display: flex; flex-direction: column; gap: 12px; }
.viz-tabs { display: flex; flex-direction: column; gap: 8px; flex: 1; }
.viz-tabs .viz-tab { flex: 1; display: flex; align-items: center; }
.viz-tab { text-align: left; font-family: var(--font-head); font-weight: 600; font-size: 1rem; color: var(--muted); padding: 14px 16px; border-radius: var(--r); border: 1px solid var(--line); background: var(--panel); cursor: pointer; transition: border-color .2s, color .2s, box-shadow .2s, background .2s; position: relative; }
.viz-tab:hover { color: var(--text); border-color: var(--teal); box-shadow: 0 0 20px -6px rgba(46,196,182,.6); }
.viz-tab.is-active { color: #fff; border-color: var(--orange); background: linear-gradient(90deg, rgba(255,90,31,.18), rgba(19,26,46,.9)); box-shadow: 0 0 24px -6px rgba(255,90,31,.7); }
.viz-tab.is-active::before { content: ""; position: absolute; left: -1px; top: -1px; bottom: -1px; width: 3px; background: var(--orange); border-radius: var(--r) 0 0 var(--r); }
.viz-auto { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: .92rem; cursor: pointer; margin-top: auto; padding: 12px 16px; border: 1px solid var(--line); border-radius: var(--r); background: var(--panel); }
.viz-auto input { accent-color: var(--teal); width: 16px; height: 16px; }

/* ---------------- Donate ---------------- */
.coin-accept { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 10px 18px; margin: -16px auto 30px; }
.coin-accept-label { font-family: var(--font-mono); font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.coin-accept-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: 0; padding: 0; list-style: none; }
.coin-accept-list a { display: inline-flex; align-items: center; gap: 8px; padding: 5px 12px 5px 6px; border-radius: 999px; border: 1px solid var(--line); background: rgba(19,26,46,.6);
  color: var(--text); font-size: .86rem; font-weight: 500; text-decoration: none; transition: border-color .25s, box-shadow .25s, color .25s; }
.coin-accept-list a:hover { color: #fff; border-color: var(--line-2); box-shadow: 0 0 16px -6px rgba(46,196,182,.55); }
.coin-accept-list img { width: 22px; height: 22px; display: block; }
.donate-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.coin { --coin: 46,196,182; --coin-ring: 46,196,182; display: flex; flex-direction: column; gap: 16px; text-align: center; }
.coin-ltc { --coin: 52,93,157; --coin-ring: 138,170,222; }
.coin-xmr { --coin: 255,102,0; --coin-ring: 255,128,48; }
.coin-btc { --coin: 247,147,26; --coin-ring: 247,160,58; }
.coin-pep { --coin: 38,155,77; --coin-ring: 70,190,108; }
/* hairline of brand color along the top edge */
.coin::after { content: ""; position: absolute; left: 18%; right: 18%; top: -1px; height: 1px; border-radius: 1px; pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(var(--coin-ring), .75), transparent); opacity: .55; transition: opacity .3s, left .3s, right .3s; }
.coin::before { background: radial-gradient(420px circle at var(--mx) var(--my), rgba(var(--coin), .13), transparent 45%); }
.coin:hover { border-color: rgba(var(--coin-ring), .5); box-shadow: 0 0 0 1px rgba(var(--coin-ring), .16), 0 18px 46px -20px rgba(var(--coin), .65); }
.coin:hover::after { opacity: 1; left: 8%; right: 8%; }
.coin-head { display: flex; flex-direction: column; align-items: center; gap: 12px; padding-top: 4px; }
.coin-head h3 { margin: 0; font-size: 1.2rem; }
.coin-tick { margin: 2px 0 0; color: var(--muted); font-family: var(--font-mono); font-size: .8rem; letter-spacing: .14em; }
.coin-logo { position: relative; flex: none; width: 72px; height: 72px; display: grid; place-items: center; border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(var(--coin), .2), rgba(var(--coin), .04) 62%, transparent 72%);
  box-shadow: 0 0 0 1px rgba(var(--coin-ring), .42), 0 0 18px -6px rgba(var(--coin-ring), .55), inset 0 0 14px -4px rgba(var(--coin-ring), .4);
  transition: transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s; }
.coin-logo img { width: 56px; height: 56px; display: block; border-radius: 50%; filter: drop-shadow(0 2px 6px rgba(0,0,0,.35)); }
.coin:hover .coin-logo { transform: translateY(-2px); box-shadow: 0 0 0 1px rgba(var(--coin-ring), .7), 0 0 28px -4px rgba(var(--coin-ring), .6), inset 0 0 16px -4px rgba(var(--coin-ring), .5); }
.coin-note { margin: -6px 0 0; font-size: .8rem; color: var(--muted); }
.qr { align-self: center; width: 212px; max-width: 100%; aspect-ratio: 1; padding: 10px; background: #fff; border-radius: 6px; box-shadow: 0 0 0 1px var(--line-2), 0 0 28px -12px rgba(var(--coin-ring), .55); transition: box-shadow .3s; }
.qr canvas { display: block; width: 100%; height: 100%; }
.coin:hover .qr { box-shadow: 0 0 0 1px rgba(var(--coin-ring), .55), 0 0 34px -10px rgba(var(--coin-ring), .7); }
.coin-addr { display: block; font-family: var(--font-mono); font-size: .82rem; line-height: 1.5; word-break: break-all; overflow-wrap: anywhere; text-align: left; padding: 10px 12px; border-radius: var(--r); background: #0a0f1e; border: 1px solid var(--line); color: var(--teal-2); user-select: all; }
.btn-copy { width: 100%; margin-top: auto; }
.btn-copy.is-copied { border-color: var(--teal); color: var(--teal-2); box-shadow: 0 0 24px -6px rgba(46,196,182,.8); }
.donate-note { text-align: center; color: var(--muted); margin: 32px auto 0; max-width: 680px; padding: 14px 18px; border: 1px solid rgba(255,90,31,.35); border-radius: var(--r); background: rgba(255,90,31,.06); }
.donate-note strong { color: var(--text); }

/* ---------------- FAQ ---------------- */
.faq { display: flex; flex-direction: column; gap: 12px; }
.faq details { padding: 0; }
.faq details:hover { transform: none; }
.faq summary { list-style: none; cursor: pointer; padding: 20px 56px 20px 22px; font-family: var(--font-head); font-weight: 600; font-size: 1.1rem; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); width: 28px; height: 28px; display: grid; place-items: center; font-family: var(--font-mono); font-size: 1.2rem; color: var(--orange); border: 1px solid rgba(255,90,31,.45); border-radius: var(--r); transition: transform .25s, color .25s, border-color .25s; }
.faq details[open] summary::after { content: "−"; color: var(--teal); border-color: rgba(46,196,182,.5); }
.faq details[open] { border-color: rgba(46,196,182,.45); }
.faq details p { padding: 0 22px 20px; margin: 0; color: var(--muted); }

/* ---------------- CTA band ---------------- */
.cta-band { position: relative; padding: 90px 0; overflow: hidden; text-align: center;
  background: radial-gradient(60% 120% at 20% 50%, rgba(255,90,31,.2), transparent 60%), radial-gradient(60% 120% at 80% 50%, rgba(46,196,182,.2), transparent 60%); }
.cta-inner h2 { margin-bottom: 28px; }
.cta-inner .hero-ctas { justify-content: center; }

/* ---------------- Footer ---------------- */
.site-footer { border-top: 1px solid var(--line); background: rgba(8, 12, 24, .82); padding: 48px 0 32px; color: var(--muted); font-size: .95rem; }
.footer-inner { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; flex-wrap: wrap; }
.footer-brand p { margin: 10px 0 0; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-links a { color: var(--text); text-decoration: none; font-weight: 500; }
.footer-links a:hover { color: var(--teal-2); text-shadow: 0 0 12px rgba(46,196,182,.7); }
.footer-privacy { margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--line); }
.footer-privacy p { margin: 0 0 8px; font-size: .88rem; }
.copyright { color: #6f7a96; }

/* ---------------- Sync (per-device delay) ---------------- */
.sync { overflow: hidden; border-bottom: 1px solid var(--line);
  background: radial-gradient(50% 70% at 85% 45%, rgba(46,196,182,.12), transparent 70%), radial-gradient(45% 60% at 8% 30%, rgba(255,90,31,.09), transparent 70%); }
.sync-inner { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 56px; align-items: center; }
.sync-title { font-size: clamp(2.1rem, 4.2vw, 3.3rem); margin-bottom: 18px; }
.sync-lead { color: var(--muted); font-size: 1.08rem; margin: 0 0 22px; }
.sync-points { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.sync-points li { display: flex; align-items: flex-start; gap: 10px; font-size: .98rem; }
.sync-points svg { width: 20px; height: 20px; flex: none; margin-top: 2px; color: var(--teal); filter: drop-shadow(0 0 6px rgba(46,196,182,.6)); }

.sync-panel { position: relative; padding: 18px 20px 20px; border-radius: 10px; border: 1px solid var(--line-2);
  background: linear-gradient(180deg, rgba(21,29,52,.92), rgba(13,19,37,.92));
  box-shadow: 0 30px 80px -40px rgba(46,196,182,.55), 0 0 0 1px rgba(255,255,255,.02) inset; }
.sync-panel::before { content: ""; position: absolute; left: 12%; right: 12%; top: -1px; height: 1px; background: linear-gradient(90deg, transparent, rgba(46,196,182,.8), rgba(255,90,31,.7), transparent); }
.sync-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.sync-now { display: inline-flex; align-items: center; gap: 9px; font-family: var(--font-head); font-weight: 600; font-size: .92rem; color: var(--text); }
.sync-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 10px rgba(255,90,31,.9); animation: sync-pulse 1.6s ease-in-out infinite; }
@keyframes sync-pulse { 50% { opacity: .35; } }
.sync-status { position: relative; display: inline-grid; font-family: var(--font-mono); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; }
.sync-status > span { grid-area: 1 / 1; padding: 4px 10px; border-radius: 999px; text-align: center; transition: opacity .5s, box-shadow .5s; }
.sync-status-a { color: var(--muted); border: 1px solid var(--line-2); }
.sync-status-b { color: var(--teal-2); border: 1px solid rgba(46,196,182,.55); background: rgba(46,196,182,.1); box-shadow: 0 0 18px -4px rgba(46,196,182,.7); opacity: 0; }
.sync-panel.is-synced .sync-status-a { opacity: 0; }
.sync-panel.is-synced .sync-status-b { opacity: 1; }
.sync-legend { display: grid; grid-template-columns: 184px minmax(0, 1fr) 160px; gap: 16px; padding: 12px 0 4px; font-family: var(--font-mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: #6f7a98; }
.sync-legend em { font-style: normal; color: #59648a; letter-spacing: .04em; text-transform: none; }
.sync-rows { display: grid; }
.sync-row { --tone: 46,196,182; display: grid; grid-template-columns: 184px minmax(0, 1fr) 160px; grid-template-areas: "dev wave ctl"; gap: 16px; align-items: center; padding: 12px 0; border-bottom: 1px solid rgba(36,48,80,.6); }
.sync-row:last-child { border-bottom: 0; padding-bottom: 0; }
.sync-row[data-tone="o"] { --tone: 255,90,31; }
.sync-dev { grid-area: dev; display: flex; align-items: center; gap: 10px; min-width: 0; }
.sync-dev b { display: block; font-family: var(--font-head); font-weight: 600; font-size: .9rem; line-height: 1.2; }
.sync-dev small { display: block; color: var(--muted); font-size: .74rem; }
.sync-dev > span:last-child { min-width: 0; }
.sync-ico { width: 34px; height: 34px; flex: none; display: grid; place-items: center; border-radius: 8px; color: rgb(var(--tone)); background: rgba(var(--tone), .1); border: 1px solid rgba(var(--tone), .35); }
.sync-ico svg { width: 19px; height: 19px; }
.sync-wave { grid-area: wave; display: block; width: 100%; height: 44px; border-radius: 6px; background: rgba(7,11,23,.65); border: 1px solid rgba(36,48,80,.7); }
.sync-ctl { grid-area: ctl; display: flex; align-items: center; gap: 12px; }
.sync-track { position: relative; flex: 1; height: 4px; border-radius: 2px; background: #222c49; }
.sync-fill { position: absolute; left: 0; top: 0; bottom: 0; width: 0; border-radius: 2px; background: linear-gradient(90deg, rgba(var(--tone), .45), rgb(var(--tone))); box-shadow: 0 0 8px rgba(var(--tone), .6); }
.sync-thumb { position: absolute; top: 50%; left: 0; width: 14px; height: 14px; margin: -7px 0 0 -7px; border-radius: 50%; background: #fff; border: 3px solid rgb(var(--tone)); box-shadow: 0 0 10px rgba(var(--tone), .8); }
.sync-num { display: inline-flex; align-items: baseline; justify-content: flex-end; gap: 3px; min-width: 66px; padding: 5px 8px; border-radius: 6px; border: 1px solid var(--line-2); background: #0a0f1e; font-family: var(--font-mono); font-size: .86rem; color: var(--text); font-variant-numeric: tabular-nums; }
.sync-unit { color: var(--muted); font-size: .72rem; }

@media (max-width: 1020px) {
  .sync-inner { grid-template-columns: 1fr; gap: 40px; }
  .sync-copy { text-align: center; max-width: 680px; margin: 0 auto; }
  .sync-points { justify-items: start; text-align: left; width: fit-content; max-width: 100%; margin: 0 auto; }
  .sync-panel { max-width: 720px; width: 100%; margin: 0 auto; }
}
@media (max-width: 600px) {
  .sync-panel { padding: 14px 14px 16px; }
  .sync-legend { display: none; }
  .sync-row { grid-template-columns: minmax(0, 1fr) auto; grid-template-areas: "dev ctl" "wave wave"; gap: 10px 12px; }
  .sync-ctl { width: 140px; gap: 10px; }
  .sync-num { min-width: 58px; padding: 4px 7px; }
  .sync-dev b { white-space: normal; overflow: visible; }
  .sync-wave { height: 38px; }
  .sync-now { font-size: .84rem; }
}
@media (max-width: 380px) {
  .sync-ctl { width: 124px; }
}

/* ---------------- Features: new in 0.1.1 ---------------- */
.feature-new-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-bottom: 18px; }
.feature-new { padding-top: 28px; border-color: rgba(46,196,182,.32); background: linear-gradient(180deg, rgba(23,33,58,.95), #10172a); }
.feature-new::after { content: ""; position: absolute; left: 0; right: 0; top: -1px; height: 1px; background: linear-gradient(90deg, transparent, rgba(46,196,182,.7), transparent); pointer-events: none; }
.new-badge { position: absolute; top: 22px; right: 22px; font-family: var(--font-mono); font-size: .7rem; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--teal-2);
  padding: 4px 9px; border-radius: 999px; border: 1px solid rgba(46,196,182,.5); background: rgba(46,196,182,.1); box-shadow: 0 0 14px -4px rgba(46,196,182,.6); }
.opt-tag { display: inline-block; vertical-align: middle; margin-left: 6px; font-family: var(--font-mono); font-size: .66rem; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); padding: 2px 7px; border-radius: 999px; border: 1px solid var(--line-2); position: relative; top: -2px; }
.speaker-name { color: var(--text); font-weight: 600; white-space: nowrap; }
@media (max-width: 600px) {
  .feature-new-grid { grid-template-columns: 1fr; }
  .new-badge { top: 18px; right: 18px; }
}
.trademark { font-size: .82rem !important; opacity: .85; }

/* ---------------- Scroll reveal ---------------- */
.js .reveal { opacity: 0; transform: translateY(34px) scale(.985); transition: opacity .8s cubic-bezier(.2,.8,.2,1), transform .8s cubic-bezier(.2,.8,.2,1); transition-delay: var(--rd, 0s); }
.js .reveal.in { opacity: 1; transform: none; }
.js .card.reveal.in:hover { transform: translateY(-4px); transition-delay: 0s; }
.js .viz-stage.reveal.in:hover, .js .faq details.reveal.in:hover { transform: none; }

/* ---------------- Responsive ---------------- */
@media (max-width: 1020px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-wide { grid-row: auto; grid-column: span 2; }
  .viz-wrap { grid-template-columns: 1fr; }
  .viz-tabs { flex-direction: row; flex-wrap: wrap; }
  .viz-tabs .viz-tab { flex: 1 1 140px; justify-content: center; text-align: center; }
  .donate-grid { grid-template-columns: repeat(2, 1fr); max-width: 760px; margin: 0 auto; }
}
@media (max-width: 860px) {
  :root { --header-h: 60px; }
  .nav-toggle { display: block; }
  .site-nav { position: fixed; top: var(--header-h); left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; padding: 12px 20px 20px;
    background: rgba(11,16,32,.97); border-bottom: 1px solid var(--line); transform: translateY(-8px); opacity: 0; visibility: hidden; transition: opacity .25s, transform .25s, visibility .25s; }
  .site-nav.is-open { opacity: 1; transform: none; visibility: visible; }
  .site-nav > a:not(.btn) { padding: 14px 4px; font-size: 1.05rem; border-bottom: 1px solid var(--line); }
  .site-nav > a:not(.btn)::after { display: none; }
  .site-nav .btn { margin: 14px 0 0; }
  .hero-inner { grid-template-columns: 1fr; gap: 0; text-align: center; max-width: none; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-ctas { justify-content: center; }
  .steps { grid-template-columns: 1fr; }
  .steps::before { left: 53px; right: auto; top: 40px; bottom: 40px; width: 2px; height: auto; background: linear-gradient(180deg, var(--orange), var(--teal), var(--orange)); background-size: 100% 200%; animation: flow-v 3s linear infinite; }
  @keyframes flow-v { to { background-position: 0 -200%; } }
  .donate-grid { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .container { padding: 0 18px; }
  .section { padding: 76px 0; }
  .section-head { margin-bottom: 40px; }
  .hero { padding-top: calc(var(--header-h) + 24px); padding-bottom: 80px; }
  .hero-title { font-size: clamp(2.6rem, 13vw, 3.6rem); }
  .hero-ctas .btn { width: 100%; }
  .badge { font-size: .82rem; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-wide { grid-column: auto; }
  .eq-strip { height: 70px; }
  .eq-bar { height: 54px; width: 6px; }
  .hero-glow-a, .hero-glow-b { width: 340px; height: 340px; }
  .scroll-cue { display: none; }
  .watermark { width: 96%; opacity: .075; filter: blur(.8px) saturate(.5); }
  .coin-accept { flex-direction: column; gap: 10px; margin-top: -8px; }
  .coin-accept-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); width: 100%; max-width: 320px; }
  .coin-accept-list a { width: 100%; justify-content: flex-start; }
}

/* ---------------- Reduced motion ---------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; transition-delay: 0s !important; }
  .js .reveal { opacity: 1; transform: none; }
  .eq-bar { transform: scaleY(var(--s0, .5)); }
  .glow-text { filter: drop-shadow(0 0 12px rgba(255,90,31,.45)); }
}