/* ════════════════════════════════════════════════
   SpotShift Mono — Official Visual Style Spec page
   Mono base + max 3 spot colours + RGB channel shift
   Creator: Febry · https://febry.is-a.dev

   Perf rules (see UPGRADE.md §B6):
   · no backdrop-filter on this page
   · no filter animation — the grayscale hover demo was removed
     (this is a spec/showcase page, not a converter; finished
     works are displayed as-is)
   · every hover effect animates opacity/transform only
   ════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Sans:ital,wght@0,400;0,500;1,400&family=JetBrains+Mono:wght@400;600;700&display=swap');

:root {
  /* ── Core Base Monochrome ── */
  --ssm-mono-black: #0D0D0D;
  --ssm-mono-dark:  #1A1A1A;
  --ssm-mono-gray:  #808080;
  --ssm-mono-light: #E5E5E5;
  --ssm-mono-white: #FFFFFF;

  /* ── Accent Spot Colors (Max 3 Allowed) ── */
  --ssm-spot-primary:   #0055FF;  /* Electric Blue  — interactive */
  --ssm-spot-secondary: #FF0055;  /* Neon Crimson   — accent rules */
  --ssm-spot-tertiary:  #00FF88;  /* Cyber Green    — status dot */

  /* ── RGB Shift Channels ── */
  --ssm-shift-red:  rgba(255, 0, 0, 0.8);
  --ssm-shift-cyan: rgba(0, 255, 255, 0.8);
  --ssm-shift: 3px;               /* spec: 2–5px */

  /* ── surfaces / type / layout ── */
  --ssm-line:      rgba(255,255,255,0.12);
  --ssm-line-soft: rgba(255,255,255,0.07);
  --ssm-panel:     rgba(255,255,255,0.025);

  /* ── ambient depth — static gradients only, no filters ── */
  --ssm-glow-blue: rgba(0, 85, 255, 0.17);
  --ssm-glow-crim: rgba(255, 0, 85, 0.10);
  --ssm-glow-cyan: rgba(0, 255, 255, 0.07);
  --ssm-grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23n)'/%3E%3C/svg%3E");

  --font-mono: 'JetBrains Mono', monospace;
  --font-body: 'Instrument Sans', sans-serif;

  --ssm-pad: clamp(18px, 4vw, 52px);
  --ssm-max: 1320px;
  --ssm-ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
  opacity: 0.05;
  background-image: var(--ssm-grain);
  background-size: 220px 220px;
  animation: ssmGrainStep 6s steps(6) infinite;
}
@keyframes ssmGrainStep {
  0%   { transform: translate(0, 0); }
  16%  { transform: translate(-8px, 4px); }
  33%  { transform: translate(6px, -6px); }
  50%  { transform: translate(-4px, 8px); }
  66%  { transform: translate(8px, 2px); }
  83%  { transform: translate(-6px, -4px); }
  100% { transform: translate(0, 0); }
}

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

body {
  background: var(--ssm-mono-black);
  color: var(--ssm-mono-light);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { text-decoration: none; color: inherit; -webkit-tap-highlight-color: transparent; }
img { max-width: 100%; display: block; }
em { font-style: italic; color: var(--ssm-mono-white); }

::selection { background: var(--ssm-spot-primary); color: #fff; }

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--ssm-mono-black); }
::-webkit-scrollbar-thumb { background: #2A2A2A; border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: #3A3A3A; }

/* ── layout shell ─────────────────────────── */
.ssm-wrap {
  width: 100%;
  max-width: var(--ssm-max);
  margin: 0 auto;
  padding: 0 var(--ssm-pad);
}

/* ══════════════ NAV ══════════════ */
.ssm-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 var(--ssm-pad);
  background: transparent;
  border-bottom: 1px solid transparent;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: background 0.35s ease, border-color 0.35s ease;
}
.ssm-nav.is-scrolled {
  background: rgba(13,13,13,0.88);
  border-bottom-color: var(--ssm-line-soft);
}
.ssm-progress {
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  overflow: hidden;
  pointer-events: none;
}
.ssm-progress-bar {
  display: block;
  height: 100%;
  background: var(--ssm-spot-primary);
  box-shadow: 0 0 10px var(--ssm-spot-primary);
  transform: scaleX(0);
  transform-origin: 0 50%;
}
.ssm-nav-back {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ssm-mono-light);
  transition: color 0.25s ease, gap 0.25s ease;
}
.ssm-nav-back:hover { color: var(--ssm-spot-primary); gap: 14px; }
.ssm-nav-mark {
  color: var(--ssm-mono-white);
  border: 1px solid var(--ssm-line);
  border-radius: 6px;
  padding: 6px 10px;
  letter-spacing: 0.24em;
}

/* ══════════════ HERO ══════════════ */
.ssm-hero {
  position: relative;
  z-index: 0;
  min-height: 80vh;
  display: grid;
  align-content: center;
  padding: calc(64px + 36px) 0 56px;
  overflow: hidden;
}

/* ambient light — static layered radials, zero filter cost */
.ssm-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(ellipse 55% 45% at 12% 18%,  var(--ssm-glow-blue), transparent 62%),
    radial-gradient(ellipse 45% 40% at 88% 74%,  var(--ssm-glow-crim), transparent 64%),
    radial-gradient(ellipse 70% 40% at 62% 108%, var(--ssm-glow-cyan), transparent 60%),
    linear-gradient(180deg, #141414 0%, var(--ssm-mono-black) 55%);
}

/* technical measurement grid — echo of the 2–5px shift language */
.ssm-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right,  rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 85% 70% at 50% 45%, #000 25%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 85% 70% at 50% 45%, #000 25%, transparent 78%);
}

/* ghost word behind — echoes the portfolio hero treatment */
.ssm-hero-ghost {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-mono);
  font-size: clamp(56px, 13vw, 190px);
  font-weight: 700;
  letter-spacing: -0.06em;
  line-height: 1;
  color: transparent;
  background: linear-gradient(180deg, rgba(255,255,255,0.14) 0%, rgba(255,255,255,0.03) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
}

.ssm-hero > * { position: relative; z-index: 1; }

/* ══════════════ HERO IMAGE STRIP ══════════════ */
.ssm-hero > .ssm-hero-strip {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.ssm-hero > .ssm-hero-strip::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 52% 44% at 38% 50%, rgba(13,13,13,0.95), transparent 72%),
    linear-gradient(180deg, rgba(13,13,13,0.55) 0%, rgba(13,13,13,0.22) 36%, rgba(13,13,13,0.82) 100%);
}

.ssm-strip-row {
  position: absolute;
  left: -20%;
  width: 140%;
  transform: rotate(-7deg);
  overflow: hidden;
  --ssm-pitch: 186px;
  --ssm-tiles: 6;
}
.ssm-strip-row--a { top: 5%;  opacity: 0.32; }
.ssm-strip-row--b { top: 68%; opacity: 0.28; }

.ssm-strip-track {
  display: flex;
  width: max-content;
  will-change: transform;
  animation: ssmStripSlide 30s linear infinite;
}
.ssm-strip-row--b .ssm-strip-track { animation-duration: 38s; animation-direction: reverse; }

.ssm-strip-img,
.ssm-strip-slot {
  width: 170px;
  height: 212px;
  margin-right: 16px;
  flex-shrink: 0;
  border-radius: 4px;
}
.ssm-strip-img {
  object-fit: cover;
  border: 1px solid rgba(255,255,255,0.06);
}
.ssm-strip-slot {
  border: 1px dashed rgba(255,255,255,0.16);
  background:
    repeating-linear-gradient(45deg, rgba(255,255,255,0.03) 0 8px, transparent 8px 16px),
    var(--ssm-mono-dark);
  display: grid;
  place-content: center;
  gap: 6px;
  text-align: center;
  font-family: var(--font-mono);
}
.ssm-strip-slot-num {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--ssm-mono-gray);
}
.ssm-strip-slot-sub {
  font-size: 8px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: #4A4A4A;
}

@keyframes ssmStripSlide {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(calc(var(--ssm-pitch) * var(--ssm-tiles) * -1), 0, 0); }
}

.ssm-hero-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ssm-mono-gray);
  margin-bottom: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}

/* signature display — static RGB fringe, never animated */
.ssm-display {
  font-family: var(--font-mono);
  font-size: clamp(32px, 6vw, 78px);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 0.94;
  color: var(--ssm-mono-white);
  text-shadow:
    calc(var(--ssm-shift) * -1) 0 0 rgba(255, 0, 0, 0.55),
    var(--ssm-shift) 0 0 rgba(0, 255, 255, 0.55);
  margin-bottom: 24px;
}
.ssm-display-line { display: block; }
.ssm-spot { color: var(--ssm-spot-primary); }

.ssm-hero-lede {
  font-size: clamp(13px, 1.3vw, 16px);
  line-height: 1.6;
  color: var(--ssm-mono-light);
  max-width: 62ch;
  margin-bottom: 28px;
}

.ssm-hero-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 32px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ssm-mono-gray);
  border-top: 1px solid var(--ssm-line-soft);
  padding-top: 24px;
}
.ssm-live { display: inline-flex; align-items: center; gap: 10px; color: var(--ssm-mono-light); }
.ssm-live-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--ssm-spot-tertiary);
  box-shadow: 0 0 12px var(--ssm-spot-tertiary);
}

/* ══════════════ SECTION HEAD ══════════════ */
.ssm-section {
  position: relative;
  padding: 68px 0;
}
/* soft fade-in rule instead of a hard 1px line */
.ssm-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, var(--ssm-line) 25%, var(--ssm-line) 75%, transparent);
}
.ssm-section:nth-of-type(odd) {
  background: linear-gradient(180deg, rgba(255,255,255,0.022), transparent 42%);
}
.ssm-section:nth-of-type(even) {
  background: radial-gradient(ellipse 60% 45% at 85% 15%, rgba(0,85,255,0.05), transparent 65%);
}
#gallery { background: linear-gradient(180deg, rgba(0,0,0,0.5), transparent 35%); }
#citation { background: radial-gradient(ellipse 70% 50% at 50% 0%, rgba(0,85,255,0.07), transparent 68%); }

.ssm-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ssm-mono-gray);
  margin-bottom: 22px;
}
.ssm-head-num { color: var(--ssm-spot-secondary); }
.ssm-head-count { margin-left: auto; }

.ssm-title {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.8vw, 32px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--ssm-mono-white);
  margin-bottom: 48px;
  max-width: 28ch;
}

/* ══════════════ RULES ══════════════ */
.ssm-rules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--ssm-line-soft);
  border: 1px solid var(--ssm-line-soft);
  border-radius: 14px;
  overflow: hidden;
}
.ssm-rule {
  background:
    radial-gradient(ellipse 70% 40% at 50% 0%, rgba(255,255,255,0.04), transparent 65%),
    var(--ssm-mono-black);
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background 0.3s ease;
}
.ssm-rule:hover {
  background:
    radial-gradient(ellipse 70% 60% at 50% 0%, rgba(0,85,255,0.12), transparent 70%),
    #101010;
}
.ssm-rule-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--ssm-spot-primary);
}
.ssm-rule-title {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ssm-mono-white);
}
.ssm-rule-desc { font-size: 14px; color: var(--ssm-mono-gray); line-height: 1.65; }
.ssm-rule-param {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--ssm-line-soft);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ssm-mono-gray);
}

/* ══════════════ PIONEER ══════════════ */
.ssm-pioneer {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: start;
}
.ssm-pioneer-name {
  font-family: var(--font-mono);
  font-size: clamp(40px, 5.5vw, 72px);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 0.92;
  color: var(--ssm-mono-white);
  text-shadow:
    calc(var(--ssm-shift) * -1) 0 0 rgba(255, 0, 0, 0.5),
    var(--ssm-shift) 0 0 rgba(0, 255, 255, 0.5);
  margin-bottom: 22px;
}
.ssm-pioneer-role {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ssm-mono-gray);
  margin-bottom: 10px;
}
.ssm-pioneer-coord {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ssm-spot-secondary);
  margin-bottom: 28px;
}
.ssm-pioneer-ig {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ssm-spot-primary);
  border: 1px solid rgba(0,85,255,0.35);
  border-radius: 99px;
  padding: 10px 18px;
  transition: border-color 0.25s ease, background 0.25s ease, transform 0.3s var(--ssm-ease);
}
.ssm-pioneer-ig:hover {
  border-color: var(--ssm-spot-primary);
  background: rgba(0,85,255,0.09);
  transform: translateX(3px);
}
.ssm-verified { flex-shrink: 0; color: var(--ssm-spot-primary); }
.ssm-verified--sm { vertical-align: -2px; }

.ssm-pioneer-panel {
  position: relative;
  border: 1px solid var(--ssm-line-soft);
  border-left: 2px solid var(--ssm-spot-secondary);
  border-radius: 0 12px 12px 0;
  background: var(--ssm-panel);
  padding: 30px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: -6px 0 32px rgba(255,0,85,0.07);
}
.ssm-pioneer-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 0 12px 12px 0;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(255,0,85,0.06), transparent 45%);
}
.ssm-pioneer-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 20px;
  align-items: baseline;
  font-size: 14px;
}
.ssm-pioneer-key {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ssm-mono-gray);
}
.ssm-pioneer-val {
  color: var(--ssm-mono-light);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.ssm-pioneer-val a { color: var(--ssm-spot-primary); }
.ssm-pioneer-val a:hover { color: var(--ssm-mono-white); }

/* ══════════════ TOKENS ══════════════ */
.ssm-token-groups {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
}
.ssm-group-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ssm-mono-gray);
  margin-bottom: 18px;
  display: block;
}
.ssm-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.ssm-chip {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px 12px 12px;
  border: 1px solid var(--ssm-line-soft);
  border-radius: 10px;
  background: var(--ssm-panel);
  transition: border-color 0.25s ease, transform 0.35s var(--ssm-ease);
}
.ssm-chip:hover {
  border-color: var(--ssm-line);
  transform: translateY(-2px);
}
.ssm-chip-box {
  width: 34px; height: 34px;
  border-radius: 6px;
  border: 1px solid var(--ssm-line);
  flex-shrink: 0;
}
.ssm-chip-name { font-family: var(--font-mono); font-size: 12px; font-weight: 600; color: var(--ssm-mono-white); }
.ssm-chip-hex  { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; color: var(--ssm-mono-gray); }
.ssm-chip-note { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ssm-spot-primary); }

/* shift demo — 3 stacked layers, always visible */
.ssm-shift-demo {
  position: relative;
  border: 1px solid var(--ssm-line-soft);
  border-radius: 10px;
  background: var(--ssm-panel);
  padding: 28px;
  overflow: hidden;
}
.ssm-shift-layer {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.ssm-shift-layer--base { position: relative; color: var(--ssm-mono-white); z-index: 2; }
.ssm-shift-layer--red,
.ssm-shift-layer--cyan {
  position: absolute;
  top: 28px; left: 28px;
  z-index: 1;
}
.ssm-shift-layer--red  { color: var(--ssm-shift-red);  transform: translateX(calc(var(--ssm-shift) * -1)); }
.ssm-shift-layer--cyan { color: var(--ssm-shift-cyan); transform: translateX(var(--ssm-shift)); }
.ssm-shift-caption {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ssm-mono-gray);
  margin-top: 28px;
}

/* ══════════════ GALLERY ══════════════ */
.ssm-gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.ssm-card { display: block; position: relative; }

.ssm-card-media {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: 10px;
  background: var(--ssm-mono-dark);
  border: 1px solid var(--ssm-line-soft);
  box-shadow: 0 2px 18px rgba(0,0,0,0.45);
  transition: border-color 0.3s ease, transform 0.5s var(--ssm-ease), box-shadow 0.4s ease;
}
.ssm-card:hover .ssm-card-media {
  border-color: var(--ssm-line);
  transform: translateY(-4px);
  box-shadow: 0 10px 32px rgba(0,0,0,0.6), 0 0 0 1px rgba(0,85,255,0.2);
}
.ssm-card-image {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ssm-ease);
}
.ssm-card:hover .ssm-card-image {
  transform: scale(1.03);
}

/* channel fringe — two offset ghost frames, opacity-only transition */
.ssm-card-media::before,
.ssm-card-media::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  pointer-events: none;
  z-index: 2;
  transition: opacity 0.3s ease;
}
.ssm-card-media::before { box-shadow: inset 0 0 0 1px var(--ssm-shift-red);  transform: translateX(calc(var(--ssm-shift) * -1)); }
.ssm-card-media::after  { box-shadow: inset 0 0 0 1px var(--ssm-shift-cyan); transform: translateX(var(--ssm-shift)); }
.ssm-card:hover .ssm-card-media::before,
.ssm-card:hover .ssm-card-media::after { opacity: 0.9; }

.ssm-card-body { padding: 16px 2px 0; }

/* title carries its own R/B channel copies (opacity-only) */
.ssm-card-title {
  position: relative;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ssm-mono-white);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ssm-card-title::before,
.ssm-card-title::after {
  content: attr(data-title);
  position: absolute;
  top: 0; left: 0;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.ssm-card-title::before { color: var(--ssm-shift-red);  transform: translateX(calc(var(--ssm-shift) * -1)); }
.ssm-card-title::after  { color: var(--ssm-shift-cyan); transform: translateX(var(--ssm-shift)); }
.ssm-card:hover .ssm-card-title::before,
.ssm-card:hover .ssm-card-title::after { opacity: 0.85; }

.ssm-card-meta {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ssm-mono-gray);
  margin-top: 6px;
}

/* placeholder slot — awaiting exposure; subtle per-slot tint */
.ssm-card--empty { cursor: default; }
.ssm-card--empty .ssm-card-media {
  display: grid;
  place-content: center;
  gap: 8px;
  text-align: center;
  background:
    repeating-linear-gradient(45deg, rgba(255,255,255,0.022) 0 10px, transparent 10px 20px),
    var(--ssm-mono-dark);
  border: 1px dashed rgba(255,255,255,0.14);
}
.ssm-card--empty:hover .ssm-card-media { transform: none; box-shadow: 0 2px 18px rgba(0,0,0,0.45); }
.ssm-gallery-grid > .ssm-card--empty:nth-child(3)::after,
.ssm-gallery-grid > .ssm-card--empty:nth-child(4)::after,
.ssm-gallery-grid > .ssm-card--empty:nth-child(5)::after,
.ssm-gallery-grid > .ssm-card--empty:nth-child(6)::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: 10px;
}
.ssm-gallery-grid > .ssm-card--empty:nth-child(3)::after { box-shadow: inset 0 0 70px rgba(255,0,85,0.16); }
.ssm-gallery-grid > .ssm-card--empty:nth-child(4)::after { box-shadow: inset 0 0 70px rgba(0,85,255,0.18); }
.ssm-gallery-grid > .ssm-card--empty:nth-child(5)::after { box-shadow: inset 0 0 70px rgba(0,255,136,0.14); }
.ssm-gallery-grid > .ssm-card--empty:nth-child(6)::after { box-shadow: inset 0 0 70px rgba(255,255,255,0.06); }
.ssm-empty-label {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--ssm-mono-gray);
}
.ssm-empty-sub {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: #4A4A4A;
}

/* ══════════════ WORKFLOW ══════════════ */
.ssm-steps { display: flex; flex-direction: column; }
.ssm-step {
  display: grid;
  grid-template-columns: 80px 220px 1fr;
  gap: 28px;
  align-items: baseline;
  padding: 24px 0;
  border-top: 1px solid var(--ssm-line-soft);
}
.ssm-step:last-child { border-bottom: 1px solid var(--ssm-line-soft); }
.ssm-step-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ssm-spot-primary);
}
.ssm-step-title {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ssm-mono-white);
}
.ssm-step-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
  color: var(--ssm-mono-gray);
}
.ssm-step-list li { position: relative; padding-left: 18px; }
.ssm-step-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.62em;
  width: 8px; height: 1px;
  background: var(--ssm-mono-gray);
}
.ssm-step-list strong { color: var(--ssm-mono-light); font-weight: 500; }

/* ══════════════ CITATION ══════════════ */
.ssm-citation-panel {
  position: relative;
  border: 1px solid var(--ssm-line-soft);
  border-left: 2px solid var(--ssm-spot-primary);
  border-radius: 0 12px 12px 0;
  background: var(--ssm-panel);
  padding: 26px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: -6px 0 32px rgba(0,85,255,0.10);
}
.ssm-citation-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 0 12px 12px 0;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(0,85,255,0.06), transparent 40%);
}
.ssm-citation-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 24px;
  align-items: baseline;
  font-size: 14px;
}
.ssm-citation-key {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ssm-mono-gray);
}
.ssm-citation-val { color: var(--ssm-mono-light); }
.ssm-citation-val a { color: var(--ssm-spot-primary); }
.ssm-citation-val a:hover { color: var(--ssm-mono-white); }

.ssm-copy {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ssm-mono-gray);
}

/* ══════════════ MARQUEE ══════════════ */
.ssm-marquee {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--ssm-line-soft);
  border-bottom: 1px solid var(--ssm-line-soft);
  padding: 16px 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.ssm-marquee-track {
  display: flex;
  align-items: center;
  gap: 28px;
  width: max-content;
  animation: ssmMarquee 26s linear infinite;
  will-change: transform;
}
.ssm-marquee-item {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ssm-mono-light);
  white-space: nowrap;
}
.ssm-marquee-item--spot { color: var(--ssm-spot-primary); }
.ssm-marquee-dot { color: var(--ssm-mono-gray); }
@keyframes ssmMarquee {
  to { transform: translate3d(-50%, 0, 0); }
}

/* ══════════════ FOOTER ══════════════ */
.ssm-footer {
  padding: 44px 0 32px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ssm-mono-gray);
  border-top: 1px solid var(--ssm-line-soft);
  background: radial-gradient(ellipse 80% 60% at 50% 100%, rgba(0,85,255,0.06), transparent 70%);
}
.ssm-footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 20px 32px;
}
.ssm-footer-links { display: flex; flex-wrap: wrap; gap: 24px; }
.ssm-footer a { color: var(--ssm-mono-light); transition: color 0.25s ease; }
.ssm-footer a:hover { color: var(--ssm-spot-primary); }

/* ══════════════ REVEAL ══════════════ */
.ssm-reveal { opacity: 1; }
.ssm-reveal.is-visible { opacity: 1; transform: none; }

.ssm-anim .ssm-reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: none;
}
.ssm-anim .ssm-reveal.is-visible { opacity: 1; transform: none; }

.ssm-anim .ssm-head,
.ssm-anim .ssm-chip,
.ssm-anim .ssm-step { opacity: 0; }

.ssm-anim .ssm-hero-meta > span,
.ssm-anim .ssm-display-line,
.ssm-anim .ssm-hero-lede,
.ssm-anim .ssm-hero-foot > span { opacity: 0; }

/* ══════════════ RESPONSIVE ══════════════ */
@media (max-width: 1024px) {
  .ssm-pioneer { grid-template-columns: 1fr; gap: 40px; }
  .ssm-rules-grid { grid-template-columns: 1fr; }
  .ssm-token-groups { grid-template-columns: 1fr; gap: 40px; }
  .ssm-gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .ssm-step { grid-template-columns: 70px 1fr; }
  .ssm-step-list { grid-column: 2; }
}
@media (max-width: 640px) {
  .ssm-section { padding: 52px 0; }
  .ssm-gallery-grid { grid-template-columns: 1fr; gap: 24px; }
  .ssm-pioneer-row { grid-template-columns: 1fr; gap: 6px; }
  .ssm-pioneer-panel { padding: 26px 24px; }
  .ssm-citation-row { grid-template-columns: 1fr; gap: 6px; }
  .ssm-step { grid-template-columns: 1fr; gap: 14px; }
  .ssm-step-list { grid-column: 1; }
  .ssm-nav-mark { display: none; }
  .ssm-hero { min-height: 72vh; }
  .ssm-strip-img,
  .ssm-strip-slot { width: 110px; height: 137px; margin-right: 11px; }
  .ssm-strip-row { --ssm-pitch: 121px; }
}

/* ══════════════ REDUCED MOTION ══════════════ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html::after { animation: none; }
  .ssm-strip-track { animation: none; }
  .ssm-marquee-track { animation: none; }
  .ssm-card-image { transition: none; }
  .ssm-nav.is-scrolled { background: rgba(13,13,13,0.88); }
  .ssm-reveal { opacity: 1; transform: none; transition: none; }
  .ssm-anim .ssm-reveal,
  .ssm-anim .ssm-head,
  .ssm-anim .ssm-chip,
  .ssm-anim .ssm-step,
  .ssm-anim .ssm-hero-meta > span,
  .ssm-anim .ssm-display-line,
  .ssm-anim .ssm-hero-lede,
  .ssm-anim .ssm-hero-foot > span { opacity: 1; transform: none; }
  .ssm-progress { display: none; }
}