/* =========================================================
   BEOMONNURI — AI FRONTIER v4
   Editorial Techwear × Living Intelligence Surface
   2026 — Native scroll-driven, View Transitions, CSS @property
   ========================================================= */

/* ----- CSS @property (Houdini) — animatable custom props ----- */
@property --grad-angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}
@property --beam-x { syntax: '<percentage>'; initial-value: 50%; inherits: false; }
@property --beam-y { syntax: '<percentage>'; initial-value: 50%; inherits: false; }
@property --glow-radius { syntax: '<length>'; initial-value: 0px; inherits: false; }

/* ----- TOKENS ----- */
:root {
  --bg: #f6f4ef;
  --bg-deep: #ece8df;
  --paper: #0d0d0d;
  --paper-soft: #1a1a1a;
  --fg: #0d0d0d;
  --acid: #921230;
  --acid-bright: #c41a3f;
  --blue: #1f3cff;
  --cyan: #00d4ff;
  --plasma: #ff2d6f;
  --mute: rgba(13, 13, 13, 0.55);
  --mute-soft: rgba(13, 13, 13, 0.08);
  --mute-line: rgba(13, 13, 13, 0.18);

  /* Glass */
  --glass-bg: rgba(246, 244, 239, 0.5);
  --glass-border: rgba(13, 13, 13, 0.12);

  /* Type */
  --display: 'Archivo Black', 'Pretendard Variable', sans-serif;
  --sans: 'Pretendard Variable', Pretendard, 'Archivo', sans-serif;
  --mono: 'JetBrains Mono', 'Geist Mono', ui-monospace, monospace;
  --en: 'Archivo', sans-serif;
}

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

html {
  scrollbar-width: thin;
  scrollbar-color: var(--acid) transparent;
}
html, body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  word-break: keep-all;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

::selection { background: var(--acid); color: #fff; }

.container { max-width: 1520px; margin: 0 auto; padding: 0 32px; }

/* ----- FILM GRAIN ----- */
.grain::before {
  content: ''; position: fixed; inset: 0; pointer-events: none;
  z-index: 200; mix-blend-mode: multiply; opacity: 0.08;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.6 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* ----- CUSTOM CURSOR ----- */
@media (hover: hover) {
  body { cursor: none; }
  .cursor-ring, .cursor-dot {
    position: fixed; top: 0; left: 0; pointer-events: none;
    z-index: 9999; will-change: transform;
  }
  .cursor-ring {
    width: 36px; height: 36px;
    border: 1.5px solid var(--paper);
    border-radius: 50%;
    mix-blend-mode: difference;
    transition: width 0.25s cubic-bezier(.2,.7,.2,1.4), height 0.25s cubic-bezier(.2,.7,.2,1.4), border-color 0.2s;
  }
  .cursor-ring.hover {
    width: 64px; height: 64px;
    border-color: var(--acid);
    border-width: 2px;
  }
  .cursor-ring.text {
    width: 4px; height: 24px;
    border-radius: 0;
    background: var(--acid);
    border: none;
    mix-blend-mode: normal;
  }
  .cursor-dot {
    width: 5px; height: 5px;
    background: var(--acid);
    border-radius: 50%;
  }
  .cursor-dot.hover { opacity: 0; }
}

/* ----- NAV (glass) ----- */
nav.top {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--glass-bg);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--glass-border);
}
nav.top .row {
  display: flex; align-items: stretch; justify-content: space-between;
  height: 64px;
}
.brand {
  font-family: var(--display);
  font-size: 18px;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand .brand-copy {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  line-height: 1.05;
}
.brand .brand-ko {
  font-family: 'Pretendard Variable', Pretendard, sans-serif;
  font-weight: 900;
  font-size: 15px;
  letter-spacing: -0.025em;
}
.brand .brand-en {
  font-family: 'Pretendard Variable', Pretendard, sans-serif;
  font-weight: 700;
  font-size: 9px;
  letter-spacing: 0.12em;
  color: rgba(13,13,13,0.62);
}
.brand .box {
  width: 34px;
  height: 34px;
  display: inline-block;
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  line-height: 0;
}
.brand .box img,
.brand .box svg {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  object-position: center;
}
.brand .box::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,0.4) 50%, transparent 60%);
  animation: scan-box 3s ease-in-out infinite;
  pointer-events: none;
}
@keyframes scan-box {
  0%, 100% { transform: translate(-100%, -100%); }
  50% { transform: translate(100%, 100%); }
}
.nav-links { display: flex; align-items: stretch; }
.nav-links a {
  display: flex; align-items: center;
  padding: 0 22px;
  font-family: var(--sans);
  font-weight: 600; font-size: 12.5px;
  text-transform: uppercase; letter-spacing: 0.08em;
  transition: color 0.2s;
  position: relative;
}
.nav-links a:not(.cta)::after {
  content: ''; position: absolute; left: 22px; right: 22px; bottom: 22px;
  height: 1px; background: var(--paper);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s cubic-bezier(.7,0,.2,1);
}
.nav-links a:not(.cta):hover::after { transform: scaleX(1); }
.nav-links a.active { color: var(--acid); }
.nav-links a.cta {
  background: var(--paper); color: var(--bg);
  padding: 0 22px;
  position: relative;
  overflow: hidden;
}
.nav-links a.cta::before {
  content: ''; position: absolute; inset: 0;
  background: var(--acid);
  transform: translateY(101%);
  transition: transform 0.4s cubic-bezier(.7,0,.2,1);
  z-index: -1;
}
.nav-links a.cta:hover::before { transform: translateY(0); }
.nav-links a.cta span { position: relative; z-index: 1; }

/* ----- HERO ----- */
.hero {
  position: relative;
  min-height: 100svh;
  padding: 100px 0 0;
  display: flex; flex-direction: column;
  overflow: hidden;
  background: var(--bg);
}
#hero-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
  display: block;
}

/* Subtle gradient mesh fallback / atmosphere */
.hero::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at var(--beam-x) var(--beam-y),
      rgba(146, 18, 48, 0.06), transparent 60%),
    radial-gradient(circle at 80% 20%, rgba(31, 60, 255, 0.025), transparent 40%);
  z-index: 1;
  pointer-events: none;
  transition: --beam-x 0.6s ease, --beam-y 0.6s ease;
}
.hero > .container { position: relative; z-index: 3; }
.hero-top {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 0 0;
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.06em;
  color: var(--mute);
  text-transform: uppercase;
}
.hero-top .live-tag {
  display: flex; align-items: center; gap: 8px;
  color: var(--acid);
}
.hero-top .live-tag::before {
  content: ''; width: 7px; height: 7px;
  background: var(--acid); border-radius: 50%;
  animation: pulse-dot 1.6s ease-in-out infinite;
  box-shadow: 0 0 0 0 rgba(146, 18, 48, 0.5);
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(146, 18, 48, 0.4); }
  50% { opacity: 0.6; box-shadow: 0 0 0 6px rgba(146, 18, 48, 0); }
}

/* HUD — glass */
.hud {
  position: absolute; top: 88px; right: 32px; z-index: 5;
  font-family: var(--mono);
  font-size: 10.5px; letter-spacing: 0.04em;
  background: rgba(246, 244, 239, 0.65);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border: 1px solid var(--mute-line);
  padding: 14px 16px;
  min-width: 268px; line-height: 1.7;
}
.hud::before {
  content: ''; position: absolute; inset: -1px; pointer-events: none;
  background: linear-gradient(135deg, var(--acid), transparent 30%, transparent 70%, var(--acid));
  opacity: 0.4;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  -webkit-mask-composite: xor;
  padding: 1px;
}
.hud .hud-row {
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px;
}
.hud .hud-row.title {
  border-bottom: 1px solid var(--mute-line);
  padding-bottom: 6px; margin-bottom: 6px;
  color: var(--acid); font-weight: 700;
  letter-spacing: 0.08em;
}
.hud .hud-row.title::before {
  content: '◉'; margin-right: 4px;
  animation: blink 1.4s ease-in-out infinite;
}
.hud .hud-row .k { color: var(--mute); text-transform: uppercase; }
.hud .hud-row .v { color: var(--paper); font-weight: 600; font-variant-numeric: tabular-nums; }
.hud .hud-row.alert .v { color: var(--acid); }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }

.hud-mini-chart {
  display: flex; align-items: flex-end; gap: 2px;
  height: 22px; margin: 6px 0 4px;
}
.hud-mini-chart span {
  flex: 1; background: var(--acid); opacity: 0.7;
  transition: height 0.4s ease;
}

/* Hero H1 — kinetic typography */
.hero h1 {
  font-family: var(--display);
  font-size: clamp(58px, 11.5vw, 200px);
  line-height: 0.86; letter-spacing: -0.045em;
  text-transform: uppercase;
  margin: 48px 0 0;
  position: relative;
}
.hero h1 .row {
  display: block;
  overflow: hidden;
  position: relative;
}
.hero h1 .row > * {
  display: inline-block;
  transform: translateY(110%);
  animation: lift 1.1s cubic-bezier(.6, 0, .1, 1) forwards;
}
.hero h1 .row:nth-child(2) > * { animation-delay: 0.1s; }
.hero h1 .row:nth-child(3) > * { animation-delay: 0.2s; }
@keyframes lift {
  to { transform: translateY(0); }
}
.hero h1 .ko {
  font-family: var(--sans);
  font-weight: 900;
  letter-spacing: -0.035em;
}
.hero h1 .stroke {
  -webkit-text-stroke: 2px var(--paper);
  color: transparent;
  font-style: italic;
}
.hero h1 .acid { color: var(--acid); }
.hero h1 .small {
  font-family: var(--mono);
  font-size: 0.12em;
  vertical-align: top;
  letter-spacing: 0.08em;
  color: var(--acid);
  margin-left: 0.4em;
  font-weight: 400;
  position: relative;
  top: 0.5em;
}

/* Glitch text */
.glitch {
  position: relative; display: inline-block;
}
.glitch::before, .glitch::after {
  content: attr(data-text); position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}
.glitch::before {
  color: var(--acid);
  animation: glitch-a 5s steps(1) infinite;
  clip-path: inset(0 0 55% 0);
  -webkit-text-stroke: 2px transparent;
}
.glitch::after {
  color: var(--cyan);
  animation: glitch-b 4.3s steps(1) infinite;
  clip-path: inset(55% 0 0 0);
  -webkit-text-stroke: 2px transparent;
  mix-blend-mode: multiply;
}
@keyframes glitch-a {
  0%, 94%, 100% { transform: translate(0,0); opacity: 0; }
  95% { transform: translate(-3px, 1px); opacity: 0.85; }
  96% { transform: translate(2px, -1px); opacity: 0.85; }
  97% { transform: translate(-1px, 0); opacity: 0; }
}
@keyframes glitch-b {
  0%, 91%, 100% { transform: translate(0,0); opacity: 0; }
  92% { transform: translate(2px, 1px); opacity: 0.6; }
  93% { transform: translate(-2px, -1px); opacity: 0.6; }
  94% { transform: translate(0); opacity: 0; }
}

/* Hero bottom strip */
.hero-bottom {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 0;
  margin-top: auto;
  border-top: 1px solid var(--mute-line);
  background: rgba(246, 244, 239, 0.4);
  backdrop-filter: blur(10px);
}
.hb-cell {
  padding: 24px 26px;
  border-right: 1px solid var(--mute-line);
  position: relative;
}
.hb-cell:last-child { border-right: 0; }
.hb-cell .label {
  font-family: var(--mono); font-size: 10.5px;
  color: var(--mute); text-transform: uppercase;
  letter-spacing: 0.1em; margin-bottom: 10px;
  display: flex; justify-content: space-between; align-items: center;
}
.hb-cell .label .ix { color: var(--acid); }
.hb-cell .val {
  font-family: var(--sans); font-weight: 700;
  font-size: 15px; letter-spacing: -0.015em;
  line-height: 1.4;
  color: var(--paper);
}
.hb-cell.cta-cell {
  background: var(--paper); color: var(--bg);
  position: relative; overflow: hidden;
  cursor: pointer;
  transition: background 0.3s;
}
.hb-cell.cta-cell::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at var(--beam-x, 50%) var(--beam-y, 50%),
    var(--acid), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}
.hb-cell.cta-cell:hover::before { opacity: 1; }
.hb-cell.cta-cell .label { color: rgba(255,255,255,0.6); }
.hb-cell.cta-cell .label .ix { color: var(--acid-bright); }
.hb-cell.cta-cell .val { color: #fff; position: relative; z-index: 1; }
.hb-cell.cta-cell .val a { color: #fff; display: inline-flex; align-items: center; gap: 10px; }
.hb-cell.cta-cell .val .arr {
  display: inline-block; transition: transform 0.3s cubic-bezier(.6,0,.1,1);
}
.hb-cell.cta-cell:hover .val .arr { transform: translateX(6px) translateY(-6px); }

/* ----- AI WIDGET (Ask Beomonnuri) ----- */
.ai-widget {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 90;
  width: 360px;
  background: rgba(246, 244, 239, 0.75);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid var(--mute-line);
  font-family: var(--sans);
  transform: translateY(calc(100% - 56px));
  transition: transform 0.5s cubic-bezier(.6, 0, .1, 1);
}
.ai-widget.open { transform: translateY(0); }
.ai-widget-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--mute-line);
  cursor: pointer;
  user-select: none;
}
.ai-widget-header .left {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase;
}
.ai-widget-header .left::before {
  content: ''; width: 8px; height: 8px; border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 0 3px rgba(146,18,48,0.2);
  animation: pulse-dot 1.6s ease-in-out infinite;
}
.ai-widget-header .toggle {
  font-family: var(--mono); font-size: 14px;
  transition: transform 0.4s cubic-bezier(.6,0,.1,1);
}
.ai-widget.open .ai-widget-header .toggle { transform: rotate(45deg); }
.ai-widget-body { padding: 16px 18px; height: 280px; overflow-y: auto; }
.ai-msg {
  font-size: 13.5px; line-height: 1.55;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.ai-msg.user {
  background: var(--paper); color: var(--bg);
  padding: 10px 14px;
  margin-left: 32px;
}
.ai-msg.bot {
  color: var(--paper);
  border-left: 2px solid var(--acid);
  padding: 4px 0 4px 12px;
  margin-right: 32px;
}
.ai-msg.bot .meta {
  font-family: var(--mono); font-size: 9.5px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--acid); margin-bottom: 4px;
}
.ai-msg.bot.loading::after {
  content: '▋'; color: var(--acid);
  animation: blink 0.8s steps(2) infinite;
}
.ai-widget-input {
  display: flex; align-items: center; gap: 0;
  border-top: 1px solid var(--mute-line);
}
.ai-widget-input input {
  flex: 1; padding: 14px 16px;
  font: inherit; font-size: 13px;
  background: transparent; border: none; outline: none;
  color: var(--paper);
  font-family: var(--sans);
}
.ai-widget-input input::placeholder { color: var(--mute); }
.ai-widget-input button {
  padding: 14px 18px;
  background: var(--acid); color: #fff;
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase;
  font-weight: 700;
  transition: background 0.2s;
}
.ai-widget-input button:hover { background: var(--paper); }

/* Suggested prompts */
.ai-suggest {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-bottom: 14px;
}
.ai-suggest button {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.05em; text-transform: uppercase;
  border: 1px solid var(--mute-line);
  padding: 6px 10px;
  transition: all 0.2s;
}
.ai-suggest button:hover {
  background: var(--paper); color: var(--bg);
  border-color: var(--paper);
}

/* ----- PARTNER LOGO MARQUEE (replaces old data ticker) ----- */
.partner-marquee {
  background: var(--bg);
  border-top: 1px solid var(--paper);
  border-bottom: 1px solid var(--paper);
  overflow: hidden;
  position: relative;
  padding: 0;
}
.partner-marquee::before, .partner-marquee::after {
  content: ''; position: absolute; top: 0; bottom: 0; width: 140px;
  z-index: 3; pointer-events: none;
}
.partner-marquee::before { left: 0; background: linear-gradient(90deg, var(--bg) 20%, transparent); }
.partner-marquee::after { right: 0; background: linear-gradient(-90deg, var(--bg) 20%, transparent); }

.partner-marquee-head {
  position: absolute; top: 50%; left: 32px; transform: translateY(-50%);
  z-index: 4;
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--acid);
  background: var(--bg);
  padding: 8px 14px 8px 0;
  display: flex; align-items: center; gap: 10px;
  border-right: 1px solid var(--mute-line);
}
.partner-marquee-head::before {
  content: ''; width: 7px; height: 7px; background: var(--acid); border-radius: 50%;
  animation: pulse-dot 1.6s ease-in-out infinite;
}

.partner-marquee-track {
  display: flex;
  align-items: center;
  gap: 0;
  animation: pm-scroll 50s linear infinite;
  width: max-content;
  padding: 22px 0 22px 200px;     /* leave room for the fixed label */
}
.partner-marquee:hover .partner-marquee-track {
  animation-play-state: paused;
}

.pm-item {
  display: flex; align-items: center; justify-content: center;
  padding: 0 44px;
  height: 80px;
  border-right: 1px solid var(--mute-line);
  position: relative;
  flex-shrink: 0;
  transition: filter 0.3s, opacity 0.3s;
  filter: grayscale(100%);
  opacity: 0.78;
}
.pm-item:hover {
  filter: grayscale(0%);
  opacity: 1;
}
.pm-item .logo-mark {
  width: 180px;
  height: 44px;
  max-width: none;
  max-height: none;
  flex-shrink: 0;
  display: block;
  object-fit: contain;
  object-position: center;
}

/* visually boost logos that look small while preserving original ratio */
.pm-item .logo-mark.logo-edu-dku,
.pm-item .logo-mark.logo-lab-knl,
.pm-item .logo-mark.logo-youth-foundation,
.pm-item .logo-mark.logo-moel,
.pm-item .logo-mark.logo-korcham {
  transform: scale(1.32);
  transform-origin: center;
}

/* two-logo rework: youth-foundation + localmotive */
.pm-item .logo-mark.logo-youth-foundation {
  transform: scale(1.40);
}
.pm-item .logo-mark.logo-localmotive {
  width: 210px;
  height: 48px;
  transform: scale(1.16);
  transform-origin: center;
}

.pm-item .meta,
.pm-item .meta .cat,
.pm-item .meta .name,
.pm-item .meta .name .en {
  display: none;
}

@keyframes pm-scroll {
  to { transform: translateX(-50%); }
}
@media (max-width: 700px) {
  .partner-marquee-head { display: none; }
  .partner-marquee-track { padding-left: 0; animation-duration: 36s; }
  .pm-item { padding: 0 24px; height: 64px; }
  .pm-item .logo-mark { width: 132px; height: 34px; max-width: none; max-height: none; object-fit: contain; object-position: center; }
  .pm-item .logo-mark.logo-edu-dku,
  .pm-item .logo-mark.logo-lab-knl,
  .pm-item .logo-mark.logo-youth-foundation,
  .pm-item .logo-mark.logo-moel,
  .pm-item .logo-mark.logo-korcham {
    transform: scale(1.2);
  }

  /* two-logo rework: youth-foundation + localmotive */
  .pm-item .logo-mark.logo-youth-foundation {
    transform: scale(1.28);
  }
  .pm-item .logo-mark.logo-localmotive {
    width: 154px;
    height: 40px;
    transform: scale(1.08);
    transform-origin: center;
  }
}

/* ----- LEGACY DATA TICKER (kept for fallback / other pages) ----- */
.ticker {
  background: var(--bg);
  border-top: 1px solid var(--paper);
  border-bottom: 1px solid var(--mute-line);
  overflow: hidden;
  position: relative;
}
.ticker::before, .ticker::after {
  content: ''; position: absolute; top: 0; bottom: 0; width: 80px;
  z-index: 2; pointer-events: none;
}
.ticker::before { left: 0; background: linear-gradient(90deg, var(--bg), transparent); }
.ticker::after { right: 0; background: linear-gradient(-90deg, var(--bg), transparent); }
.ticker-track {
  display: flex; gap: 0;
  animation: ticker-scroll 64s linear infinite;
  width: max-content;
  padding: 14px 0;
}
.tk-item {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 0 28px;
  border-right: 1px solid var(--mute-line);
  font-family: var(--mono); font-size: 12px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.tk-item .dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--acid);
  animation: blink 1.6s ease-in-out infinite;
}
.tk-item .sym { color: var(--mute); font-weight: 500; }
.tk-item .val { color: var(--fg); font-weight: 700; font-variant-numeric: tabular-nums; }
.tk-item .delta { color: var(--acid); font-weight: 600; }
.tk-item .delta.down { color: var(--blue); }
@keyframes ticker-scroll {
  to { transform: translateX(-50%); }
}

/* ----- SECTION COMMON ----- */
section {
  position: relative;
  padding: 100px 0;
}
.sect-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--acid);
  margin-bottom: 32px;
  display: flex; align-items: center; gap: 12px;
}
.sect-label::before {
  content: ''; width: 28px; height: 1px;
  background: var(--acid);
}
.sect-head {
  display: grid; grid-template-columns: 2fr 1fr;
  gap: 40px; align-items: end;
  margin-bottom: 60px;
}
.sect-head h2 {
  font-family: var(--display);
  font-size: clamp(40px, 5.5vw, 84px);
  line-height: 0.95; letter-spacing: -0.03em;
  text-transform: uppercase;
}
.sect-head h2 .stroke {
  -webkit-text-stroke: 2px var(--paper);
  color: transparent;
}
.sect-head h2 .acid { color: var(--acid); }
.sect-head .lead {
  font-size: 16px; line-height: 1.6;
  color: var(--mute);
  max-width: 380px;
  font-weight: 400;
}

/* ----- PIPELINE — INTERACTIVE FLOW ----- */
.pipeline {
  border-top: 1px solid var(--paper);
  border-bottom: 1px solid var(--paper);
  padding: 100px 0 120px;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
.pipe-canvas-wrap {
  position: relative;
  border: 1px solid var(--mute-line);
  background: linear-gradient(180deg,
    rgba(246, 244, 239, 0.6),
    rgba(236, 232, 223, 0.4));
  margin-top: 24px;
  overflow: hidden;
}
#pipe-canvas {
  width: 100%; height: 240px; display: block;
}
.pipe-labels {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--mute-line);
}
.pipe-labels > div {
  padding: 22px 24px;
  border-right: 1px dashed var(--mute-line);
}
.pipe-labels > div:last-child { border-right: 0; }
.pipe-labels .k {
  font-family: var(--mono); font-size: 11px;
  color: var(--mute); letter-spacing: 0.08em;
  text-transform: uppercase; margin-bottom: 6px;
}
.pipe-labels .v {
  font-family: var(--sans); font-weight: 900;
  font-size: 19px; letter-spacing: -0.025em;
  color: var(--fg);
}
.pipe-labels .v .ac { color: var(--acid); }

/* ----- PRODUCTS GRID — Magnetic Cards ----- */
.services {
  padding: 120px 0;
  background: var(--bg);
}
.svc-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--mute-line);
  border: 1px solid var(--mute-line);
}
.svc {
  position: relative;
  background: var(--bg);
  padding: 44px 40px 36px;
  min-height: 380px;
  display: flex; flex-direction: column;
  overflow: hidden;
  transition: background 0.4s cubic-bezier(.6,0,.1,1), color 0.4s;
  cursor: pointer;
  isolation: isolate;
}
.svc:hover {
  background: var(--acid);
  color: #fff;
}
.svc .n {
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--acid);
  margin-bottom: 16px;
  display: flex; justify-content: space-between; align-items: center;
}
.svc:hover .n { color: #fff; }
.svc .big-arrow {
  position: absolute; top: 30px; right: 30px;
  font-family: var(--display);
  font-size: 32px;
  transition: transform 0.35s cubic-bezier(.6,0,.1,1);
}
.svc:hover .big-arrow { transform: translate(6px, -6px); }
.svc .for {
  font-family: var(--mono); font-size: 11px;
  color: var(--mute);
  text-transform: uppercase; letter-spacing: 0.06em;
  margin-bottom: 32px;
}
.svc:hover .for { color: rgba(255,255,255,0.7); }
.svc h3 {
  font-family: var(--sans); font-weight: 900;
  font-size: 34px; letter-spacing: -0.035em;
  line-height: 1.05;
  margin-bottom: 16px;
}
.svc p {
  font-size: 14px; line-height: 1.55;
  color: var(--mute);
  margin-bottom: auto;
  max-width: 95%;
}
.svc:hover p { color: rgba(255,255,255,0.85); }
.svc .tags {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: 18px;
}
.svc .tag {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.06em; text-transform: lowercase;
  padding: 4px 9px;
  border: 1px solid var(--mute-line);
  color: var(--mute);
  transition: all 0.3s;
}
.svc:hover .tag {
  border-color: rgba(255,255,255,0.4);
  color: rgba(255,255,255,0.9);
}
.svc .mini-viz {
  display: flex; align-items: flex-end; gap: 3px;
  height: 22px; margin-top: 18px;
}
.svc .mini-viz span {
  flex: 1; background: var(--acid); opacity: 0.6;
  transition: all 0.3s;
}
.svc .mini-viz span:nth-child(1) { height: 30%; }
.svc .mini-viz span:nth-child(2) { height: 52%; }
.svc .mini-viz span:nth-child(3) { height: 70%; }
.svc .mini-viz span:nth-child(4) { height: 90%; }
.svc .mini-viz span:nth-child(5) { height: 68%; }
.svc .mini-viz span:nth-child(6) { height: 78%; }
.svc:hover .mini-viz span { background: #fff; opacity: 1; }

/* ----- LIVE INTELLIGENCE BOARD ----- */
.intel {
  padding: 120px 0;
  background: var(--paper);
  color: var(--bg);
  position: relative;
  overflow: hidden;
}
.intel::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(246,244,239,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(246,244,239,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, #000, transparent 80%);
}
.intel .sect-label { color: var(--acid-bright); }
.intel .sect-head h2 .stroke { -webkit-text-stroke: 2px var(--bg); color: transparent; }
.intel .sect-head .lead { color: rgba(246,244,239,0.6); }
.intel-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 1px;
  background: rgba(246,244,239,0.15);
  border: 1px solid rgba(246,244,239,0.15);
  position: relative;
  z-index: 1;
}
.intel-cell {
  background: var(--paper);
  padding: 26px 24px;
  position: relative;
  overflow: hidden;
}
.intel-cell.large {
  grid-row: span 2;
  display: flex; flex-direction: column;
}
.intel-cell .ic-label {
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--acid-bright);
  margin-bottom: 12px;
  display: flex; align-items: center; gap: 8px;
}
.intel-cell .ic-label::before {
  content: ''; width: 6px; height: 6px;
  background: var(--acid-bright); border-radius: 50%;
  animation: blink 1.5s ease-in-out infinite;
}
.intel-cell .ic-value {
  font-family: var(--display); font-weight: 900;
  font-size: clamp(36px, 4vw, 56px);
  letter-spacing: -0.04em; line-height: 1;
  color: var(--bg);
  font-variant-numeric: tabular-nums;
}
.intel-cell .ic-value .unit {
  font-family: var(--mono);
  font-size: 0.32em; letter-spacing: 0;
  color: var(--acid-bright);
  font-weight: 500;
  margin-left: 4px;
}
.intel-cell .ic-sub {
  font-size: 13px; color: rgba(246,244,239,0.6);
  margin-top: 10px; line-height: 1.5;
}
.intel-cell canvas {
  width: 100%; height: 140px;
  margin-top: 14px; display: block;
}
.intel-cell.large canvas { height: 200px; margin-top: auto; }
.intel-log {
  font-family: var(--mono); font-size: 10.5px;
  line-height: 1.7;
  color: rgba(246,244,239,0.7);
  height: 110px;
  overflow: hidden;
  margin-top: 12px;
  mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
}
.intel-log .row {
  display: grid; grid-template-columns: 70px 60px 1fr;
  gap: 10px;
}
.intel-log .ts { color: var(--mute); }
.intel-log .lvl { color: var(--acid-bright); }
.intel-log .msg { color: var(--bg); }

/* ----- HOW IT WORKS — stacked timeline ----- */
.how {
  padding: 120px 0;
  background: var(--bg);
  border-top: 1px solid var(--mute-line);
}
.how-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--paper);
  border-bottom: 1px solid var(--paper);
}
.how-cell {
  padding: 44px 32px;
  border-right: 1px solid var(--mute-line);
  min-height: 320px;
  display: flex; flex-direction: column;
  position: relative;
  transition: background 0.4s;
}
.how-cell:last-child { border-right: 0; }
.how-cell:hover { background: var(--bg-deep); }
.how-cell .step {
  font-family: var(--mono); font-size: 11px;
  color: var(--acid);
  letter-spacing: 0.1em;
  margin-bottom: 24px;
  display: flex; align-items: center; gap: 12px;
}
.how-cell .step .num {
  font-family: var(--display); font-size: 22px;
  color: var(--paper);
  letter-spacing: -0.02em;
}
.how-cell h3 {
  font-family: var(--sans); font-weight: 900;
  font-size: 26px; letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 14px;
}
.how-cell p {
  font-size: 14.5px; line-height: 1.6;
  color: var(--mute);
  margin-bottom: auto;
}
.how-cell .stack {
  display: flex; flex-wrap: wrap; gap: 5px;
  margin-top: 24px;
}
.how-cell .stack span {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.05em;
  padding: 4px 8px;
  background: var(--paper); color: var(--bg);
}

/* ----- MANIFESTO ----- */
.manifesto {
  padding: 140px 0;
  background: var(--acid);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.manifesto::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(255, 45, 111, 0.3), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(13, 13, 13, 0.2), transparent 50%);
  pointer-events: none;
}
.manifesto .container { position: relative; z-index: 1; }
.mf-label {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  margin-bottom: 40px;
}
.mf-text {
  font-family: var(--display);
  font-size: clamp(40px, 6vw, 96px);
  line-height: 1.02; letter-spacing: -0.035em;
  text-transform: uppercase;
  max-width: 1100px;
}
.mf-text .stroke {
  -webkit-text-stroke: 2px #fff;
  color: transparent;
}
.mf-text .red { color: var(--paper); }
.mf-sign {
  display: flex; justify-content: space-between; align-items: end;
  margin-top: 60px;
  font-family: var(--mono); font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.8);
}
.mf-sign .num {
  font-family: var(--display);
  font-size: 80px;
  color: rgba(255,255,255,0.18);
  letter-spacing: -0.04em;
}

/* ----- FOOTER ----- */
footer {
  padding: 60px 0 32px;
  background: var(--bg);
  border-top: 1px solid var(--paper);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mute);
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 50px; margin-bottom: 40px;
}
.footer-grid .ft-brand {
  margin-bottom: 14px;
}
.footer-grid .ft-brand img {
  display: block;
  width: 240px;
  height: 48px;
  max-width: 100%;
  max-height: 48px;
  object-fit: contain;
  object-position: left center;
}
.footer-grid .ft-tag {
  font-size: 13.5px; line-height: 1.65;
  color: var(--mute);
  max-width: 380px;
  font-family: var(--sans);
  letter-spacing: 0;
}
.footer-grid h5 {
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 16px;
  font-weight: 500;
}
.footer-grid a {
  display: block; padding: 6px 0;
  font-family: var(--sans);
  font-size: 14px;
  color: var(--paper);
  letter-spacing: -0.005em;
  transition: all 0.2s;
}
.footer-grid a:hover {
  color: var(--acid);
  padding-left: 6px;
}
.ft-bottom-row {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 26px;
  border-top: 1px solid var(--mute-soft);
  flex-wrap: wrap; gap: 16px;
}
.ft-bottom-row .live::before {
  content: '◉'; color: var(--acid); margin-right: 6px;
  animation: blink 1.4s ease-in-out infinite;
}

/* ===========================================================
   SUB-PAGE COMPONENTS (Products / Why / Partners / Contact)
   =========================================================== */

/* Page hero — replaces old .page-intro */
.page-hero {
  position: relative;
  padding: 130px 0 90px;
  background: var(--bg);
  border-bottom: 1px solid var(--paper);
  overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 30%, rgba(146,18,48,0.06), transparent 60%),
    radial-gradient(circle at 20% 80%, rgba(13,13,13,0.04), transparent 50%);
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero .crumb {
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 24px;
  display: flex; align-items: center; gap: 10px;
}
.page-hero .crumb::before {
  content: ''; width: 24px; height: 1px; background: var(--acid);
}
.page-hero .crumb a { color: var(--mute); }
.page-hero .crumb a:hover { color: var(--acid); }
.page-hero h1 {
  font-family: var(--display);
  font-size: clamp(56px, 9vw, 148px);
  line-height: 0.88;
  letter-spacing: -0.045em;
  text-transform: uppercase;
}
.page-hero h1 .ko { font-family: var(--sans); font-weight: 900; letter-spacing: -0.035em; }
.page-hero h1 .stroke { -webkit-text-stroke: 2px var(--paper); color: transparent; font-style: italic; }
.page-hero h1 .acid { color: var(--acid); }
.page-hero .lead {
  margin-top: 32px;
  max-width: 720px;
  font-size: 17px;
  line-height: 1.65;
  color: var(--mute);
}
.page-hero-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--mute-line);
  margin-top: 60px;
}
.page-hero-meta > div {
  padding: 18px 22px;
  border-right: 1px solid var(--mute-line);
}
.page-hero-meta > div:last-child { border-right: 0; }
.page-hero-meta .k {
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--mute); margin-bottom: 6px;
}
.page-hero-meta .v {
  font-family: var(--sans); font-weight: 800;
  font-size: 16px; letter-spacing: -0.02em;
  color: var(--paper);
}
.page-hero-meta .v .ac { color: var(--acid); }

/* Product detail row — v4 redesign */
.prod-detail {
  padding: 100px 0;
  border-bottom: 1px solid var(--mute-line);
  position: relative;
}
.prod-detail:nth-child(even) { background: var(--bg-deep); }
.prod-detail .pd-head {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  align-items: end;
  margin-bottom: 40px;
}
.prod-detail .pd-id {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--acid);
  margin-bottom: 16px;
  display: flex; align-items: center; gap: 12px;
}
.prod-detail .pd-id::before {
  content: ''; width: 28px; height: 1px; background: var(--acid);
}
.prod-detail h2 {
  font-family: var(--display);
  font-size: clamp(40px, 6vw, 88px);
  line-height: 0.94; letter-spacing: -0.035em;
  text-transform: uppercase;
}
.prod-detail h2 .ko { font-family: var(--sans); font-weight: 900; letter-spacing: -0.035em; }
.prod-detail h2 .acid { color: var(--acid); }
.prod-detail .pd-for {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--mute);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--mute-line);
}
.prod-detail .pd-lead {
  font-size: 17px; line-height: 1.65;
  color: var(--mute);
  max-width: 760px;
  margin-bottom: 50px;
}
.prod-detail .pd-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  border-top: 1px solid var(--paper);
  border-bottom: 1px solid var(--paper);
}
.prod-detail .pd-cell {
  padding: 28px 26px;
  border-right: 1px solid var(--mute-line);
  min-height: 220px;
  display: flex; flex-direction: column;
}
.prod-detail .pd-cell:last-child { border-right: 0; }
.prod-detail .pd-cell h4 {
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--acid);
  margin-bottom: 18px;
}
.prod-detail .pd-cell ul { list-style: none; padding: 0; }
.prod-detail .pd-cell li {
  padding: 7px 0;
  font-size: 14px; line-height: 1.5;
  display: flex; gap: 10px; align-items: baseline;
  letter-spacing: -0.005em;
}
.prod-detail .pd-cell li::before {
  content: '→'; color: var(--acid);
  font-weight: 700; flex-shrink: 0;
}
.prod-detail .pd-cell.metric {
  background: var(--paper); color: var(--bg);
  position: relative;
  overflow: hidden;
}
.prod-detail .pd-cell.metric::before {
  content: ''; position: absolute; inset: 0;
  background:
    linear-gradient(rgba(246,244,239,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(246,244,239,0.06) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
}
.prod-detail .pd-cell.metric h4 { color: var(--acid-bright); position: relative; z-index: 1; }
.prod-detail .pd-cell.metric .mv {
  font-family: var(--display);
  font-size: clamp(48px, 5vw, 72px);
  line-height: 1; letter-spacing: -0.04em;
  color: var(--bg);
  margin-top: auto;
  position: relative; z-index: 1;
  font-variant-numeric: tabular-nums;
}
.prod-detail .pd-cell.metric .mv .unit {
  font-family: var(--mono);
  font-size: 0.3em; color: var(--acid-bright);
  letter-spacing: 0;
  margin-left: 4px;
  font-weight: 500;
}
.prod-detail .pd-cell.metric .mdesc {
  font-size: 12.5px;
  color: rgba(246,244,239,0.65);
  margin-top: 12px;
  position: relative; z-index: 1;
  line-height: 1.45;
}

/* Compare table */
.compare-section {
  padding: 100px 0;
  background: var(--bg);
}
.compare-table {
  border: 1px solid var(--paper);
  overflow-x: auto;
}
.compare-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.compare-table th, .compare-table td {
  padding: 18px 20px;
  text-align: left;
  border-bottom: 1px solid var(--mute-line);
  vertical-align: middle;
  letter-spacing: -0.005em;
}
.compare-table th {
  background: var(--paper);
  color: var(--bg);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
}
.compare-table tr { transition: background 0.2s; }
.compare-table tbody tr:hover { background: var(--bg-deep); }
.compare-table td.pname { font-weight: 800; letter-spacing: -0.02em; }
.compare-table td.pname a { color: var(--paper); }
.compare-table td.pname a:hover { color: var(--acid); }

/* Product prev/next navigation */
.prod-nav { padding: 80px 0; border-top: 1px solid var(--mute-line); }
.prod-nav .container {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
}
.prod-nav .pn-cell {
  display: block; padding: 40px 32px;
  border: 1px solid var(--mute-line);
  background: var(--bg-deep);
  color: var(--paper);
  transition: background 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
  position: relative;
}
.prod-nav .pn-cell:hover {
  background: #14100b;
  border-color: var(--acid);
  transform: translateY(-2px);
}
.prod-nav .pn-cell.next { text-align: right; }
.prod-nav .pn-k {
  font-family: var(--en);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mute);
  margin-bottom: 12px;
  text-transform: uppercase;
}
.prod-nav .pn-v {
  font-family: var(--sans);
  font-weight: 900;
  letter-spacing: -0.02em;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.15;
}
.prod-nav .pn-v .acid { color: var(--acid); }
@media (max-width: 720px) {
  .prod-nav .container { grid-template-columns: 1fr; }
  .prod-nav .pn-cell.next { text-align: left; }
}

/* Products index — 4-card grid on the overview page */
.products-index { padding: 40px 0 100px; }
.products-index .pi-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px;
  background: var(--mute-line);
  border: 1px solid var(--mute-line);
}
.products-index .pi-card {
  display: flex; flex-direction: column;
  padding: 44px 40px 40px;
  background: var(--bg);
  color: var(--paper);
  position: relative; overflow: hidden;
  min-height: 360px;
  cursor: pointer;
  isolation: isolate;
  transition: background 0.4s cubic-bezier(.6,0,.1,1), color 0.4s;
}
.products-index .pi-card:hover {
  background: var(--acid);
  color: #fff;
}
.products-index .pi-top {
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em;
  color: var(--acid);
  margin-bottom: 20px; text-transform: uppercase;
  transition: color 0.4s;
}
.products-index .pi-card:hover .pi-top { color: #fff; }
.products-index .pi-arrow {
  position: absolute; top: 38px; right: 36px;
  font-family: var(--display); font-size: 32px;
  color: var(--paper);
  transition: transform 0.35s cubic-bezier(.6,0,.1,1), color 0.4s;
}
.products-index .pi-card:hover .pi-arrow {
  transform: translate(6px, -6px);
  color: #fff;
}
.products-index .pi-for {
  font-family: var(--mono); font-size: 11px;
  color: var(--mute);
  text-transform: uppercase; letter-spacing: 0.06em;
  margin-top: 32px; margin-bottom: 12px;
  transition: color 0.4s;
}
.products-index .pi-card:hover .pi-for { color: rgba(255,255,255,0.7); }
.products-index .pi-title {
  font-family: var(--sans); font-weight: 900; letter-spacing: -0.035em;
  font-size: clamp(28px, 3.4vw, 38px); line-height: 1.05;
  margin-bottom: 14px; color: inherit;
}
.products-index .pi-title .acid {
  color: var(--acid);
  transition: color 0.4s;
}
.products-index .pi-card:hover .pi-title .acid { color: #fff; }
.products-index .pi-desc {
  color: var(--mute); font-size: 14px; line-height: 1.55;
  max-width: 40ch;
  margin-bottom: auto;
  transition: color 0.4s;
}
.products-index .pi-card:hover .pi-desc { color: rgba(255,255,255,0.85); }
.products-index .pi-tags {
  display: flex; gap: 6px; margin-top: 22px; flex-wrap: wrap;
}
.products-index .pi-tag {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.06em;
  padding: 4px 10px; border: 1px solid var(--mute-line); color: var(--mute);
  transition: border-color 0.4s, color 0.4s;
}
.products-index .pi-card:hover .pi-tag {
  border-color: rgba(255,255,255,0.4);
  color: rgba(255,255,255,0.9);
}
@media (max-width: 900px) {
  .products-index .pi-grid { grid-template-columns: 1fr; }
}

/* Why: 3 Principles (already partially defined in core, redefine for v4) */
.principles {
  background: var(--paper);
  color: var(--bg);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.principles::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(246,244,239,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(246,244,239,0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, #000, transparent 80%);
  pointer-events: none;
}
.principles .container { position: relative; z-index: 1; }
.principles .sect-label { color: var(--acid-bright); }
.principles .sect-head h2 .stroke { -webkit-text-stroke: 2px var(--bg); color: transparent; }
.principles .sect-head .lead { color: rgba(246,244,239,0.6); }
.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(246,244,239,0.18);
  border: 1px solid rgba(246,244,239,0.18);
}
.principle-cell {
  background: var(--paper);
  padding: 40px 32px;
  min-height: 280px;
  position: relative;
  transition: background 0.4s;
}
.principle-cell:hover { background: #161616; }
.principle-cell .pn {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--acid-bright);
  margin-bottom: 22px;
}
.principle-cell h3 {
  font-family: var(--display);
  font-size: 44px; line-height: 1; letter-spacing: -0.03em;
  color: var(--bg);
  margin-bottom: 18px;
  text-transform: uppercase;
}
.principle-cell .kr {
  font-family: var(--sans); font-weight: 900;
  font-size: 18px; letter-spacing: -0.025em;
  color: var(--acid-bright);
  margin-bottom: 14px;
}
.principle-cell p {
  font-size: 14px; line-height: 1.6;
  color: rgba(246,244,239,0.7);
}

/* Rollout — timeline */
.rollout-v4 {
  padding: 100px 0;
  background: var(--bg);
}
.roll-row-v4 {
  display: grid;
  grid-template-columns: 70px 1fr 1.6fr 200px;
  align-items: center;
  gap: 24px;
  padding: 28px 0;
  border-top: 1px solid var(--paper);
  transition: padding-left 0.3s, background 0.3s;
}
.roll-row-v4:last-child { border-bottom: 1px solid var(--paper); }
.roll-row-v4:hover { padding-left: 16px; background: var(--acid); color: #fff; }
.roll-row-v4 .rr-num {
  font-family: var(--display);
  font-size: 36px;
  letter-spacing: -0.04em;
  color: var(--acid);
}
.roll-row-v4:hover .rr-num { color: #fff; }
.roll-row-v4 .rr-title {
  font-family: var(--sans); font-weight: 900;
  font-size: 22px; letter-spacing: -0.03em;
}
.roll-row-v4 .rr-desc {
  font-size: 14.5px; line-height: 1.55;
  color: var(--mute);
}
.roll-row-v4:hover .rr-desc { color: rgba(255,255,255,0.85); }
.roll-row-v4 .rr-tag {
  display: flex; justify-content: flex-end;
}
.roll-row-v4 .rr-tag span {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 6px 11px;
  background: var(--paper); color: var(--bg);
}
.roll-row-v4:hover .rr-tag span { background: #fff; color: var(--acid); }

/* Security list */
.sec-v4 {
  padding: 100px 0;
  background: var(--bg-deep);
}
.sec-grid-v4 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--paper);
  border-left: 1px solid var(--paper);
  background: var(--paper);
  gap: 1px;
}
.sec-item-v4 {
  background: var(--bg);
  padding: 26px 28px;
  display: flex; gap: 22px;
  align-items: flex-start;
}
.sec-item-v4 .sn {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--acid);
  flex-shrink: 0;
  padding-top: 4px;
  min-width: 32px;
}
.sec-item-v4 .sb h4 {
  font-family: var(--sans); font-weight: 800;
  font-size: 17px; letter-spacing: -0.025em;
  margin-bottom: 8px;
}
.sec-item-v4 .sb p {
  font-size: 13.5px; color: var(--mute);
  line-height: 1.55;
}

/* Partner grid — v4 */
.partner-grid-v4 {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--mute-line);
  border: 1px solid var(--mute-line);
}
.partner-card {
  background: var(--bg);
  padding: 28px 22px;
  min-height: 200px;
  display: flex; flex-direction: column;
  position: relative;
  transition: background 0.3s, color 0.3s;
  cursor: pointer;
}
.partner-card:hover { background: var(--acid); color: #fff; }
.partner-card .pcat {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--acid);
  margin-bottom: 18px;
}
.partner-card:hover .pcat { color: rgba(255,255,255,0.8); }
.partner-card .plogo {
  width: 56px; height: 56px;
  margin-bottom: 18px;
}
.partner-card .pname {
  font-family: var(--sans); font-weight: 900;
  font-size: 17px; letter-spacing: -0.025em;
  line-height: 1.25;
  margin-top: auto;
}
.partner-card .pdesc {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--mute);
  margin-top: 8px;
}
.partner-card:hover .pdesc { color: rgba(255,255,255,0.7); }

/* Case grid */
.case-grid-v4 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--mute-line);
  border: 1px solid var(--mute-line);
}
.case-card-v4 {
  background: var(--bg);
  padding: 36px 32px;
  min-height: 280px;
  display: flex; flex-direction: column;
  transition: background 0.3s, color 0.3s;
  cursor: pointer;
}
.case-card-v4:hover { background: var(--acid); color: #fff; }
.case-card-v4 .cn {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 22px;
}
.case-card-v4:hover .cn { color: rgba(255,255,255,0.7); }
.case-card-v4 h3 {
  font-family: var(--sans); font-weight: 900;
  font-size: 26px; letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 14px;
}
.case-card-v4 p {
  font-size: 14px; line-height: 1.55;
  color: var(--mute);
  flex: 1;
}
.case-card-v4:hover p { color: rgba(255,255,255,0.85); }
.case-card-v4 .cstat {
  font-family: var(--display);
  font-size: 44px;
  letter-spacing: -0.04em;
  color: var(--acid);
  margin-top: 22px;
  line-height: 1;
}
.case-card-v4:hover .cstat { color: #fff; }

/* Contact form */
.contact-section {
  padding: 100px 0;
  background: var(--bg);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
}
.contact-left h2 {
  font-family: var(--display);
  font-size: clamp(56px, 9vw, 140px);
  line-height: 0.85;
  letter-spacing: -0.045em;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.contact-left h2 .acid { color: var(--acid); }
.contact-left p {
  font-size: 15px; line-height: 1.65;
  color: var(--mute);
  margin-bottom: 30px;
  max-width: 400px;
}
.contact-left .ct-cta-v4 {
  display: inline-flex; align-items: center; gap: 12px;
  background: var(--acid); color: #fff;
  padding: 22px 28px;
  font-family: var(--mono); font-size: 12px;
  letter-spacing: 0.1em; text-transform: uppercase;
  font-weight: 700;
  transition: background 0.3s, transform 0.3s;
}
.contact-left .ct-cta-v4:hover {
  background: var(--paper);
  transform: translateY(-2px);
}
.contact-left .ct-cta-v4 .arr {
  transition: transform 0.3s cubic-bezier(.6,0,.1,1);
}
.contact-left .ct-cta-v4:hover .arr { transform: translateX(4px) translateY(-4px); }

.contact-form { display: flex; flex-direction: column; gap: 0; }
.cf-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  align-items: start;
  padding: 24px 0;
  border-top: 1px solid var(--mute-line);
}
.cf-row:last-child { border-bottom: 1px solid var(--mute-line); }
.cf-row .cf-label {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--acid);
  padding-top: 12px;
}
.cf-row input[type="text"],
.cf-row input[type="email"],
.cf-row textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--mute-line);
  padding: 12px 0;
  font: inherit;
  font-size: 16px;
  color: var(--paper);
  letter-spacing: -0.01em;
  outline: none;
  transition: border-color 0.3s;
  resize: vertical;
}
.cf-row input:focus,
.cf-row textarea:focus { border-bottom-color: var(--acid); }
.cf-row input::placeholder,
.cf-row textarea::placeholder { color: var(--mute); }
.cf-row .cf-chips {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.cf-row .cf-chips label {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.06em; text-transform: uppercase;
  padding: 8px 14px;
  border: 1px solid var(--mute-line);
  cursor: pointer;
  transition: all 0.2s;
}
.cf-row .cf-chips input { display: none; }
.cf-row .cf-chips input:checked + label,
.cf-row .cf-chips label:hover {
  background: var(--paper);
  color: var(--bg);
  border-color: var(--paper);
}
.cf-row .cf-chips input:checked + label { background: var(--acid); border-color: var(--acid); }

/* Contact info row */
.contact-info {
  padding: 60px 0;
  background: var(--paper);
  color: var(--bg);
}
.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
.ci-block .ci-label {
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--acid-bright);
  margin-bottom: 12px;
}
.ci-block .ci-value {
  font-family: var(--sans); font-weight: 700;
  font-size: 16px; letter-spacing: -0.02em;
  line-height: 1.5;
}
.ci-block .ci-value a { color: var(--bg); }
.ci-block .ci-value a:hover { color: var(--acid-bright); }

/* Responsive for sub-page components */
@media (max-width: 1100px) {
  .page-hero-meta { grid-template-columns: 1fr 1fr; }
  .page-hero-meta > div { border-bottom: 1px solid var(--mute-line); }
  .prod-detail .pd-head { grid-template-columns: 1fr; gap: 20px; }
  .prod-detail .pd-grid { grid-template-columns: 1fr 1fr; }
  .prod-detail .pd-cell { border-bottom: 1px solid var(--mute-line); }
  .partner-grid-v4 { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-info-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .cf-row { grid-template-columns: 1fr; gap: 8px; }
  .cf-row .cf-label { padding-top: 0; }
}
@media (max-width: 700px) {
  .page-hero { padding: 110px 0 60px; }
  .page-hero-meta { grid-template-columns: 1fr; }
  .prod-detail .pd-grid { grid-template-columns: 1fr; }
  .partner-grid-v4 { grid-template-columns: repeat(2, 1fr); }
  .case-grid-v4 { grid-template-columns: 1fr; }
  .sec-grid-v4 { grid-template-columns: 1fr; }
  .principle-grid { grid-template-columns: 1fr; }
  .roll-row-v4 { grid-template-columns: 1fr; gap: 8px; padding: 20px 0; }
  .roll-row-v4 .rr-tag { justify-content: flex-start; }
  .contact-info-grid { grid-template-columns: 1fr; }
}

/* ----- SCROLL REVEAL -----
   Content stays visible by default — JS adds `.armed` only to elements
   that are still below the fold at first paint, which then lift via `.in`.
   This guarantees no content is ever permanently hidden. */
.reveal { /* visible by default */ }
.reveal.armed {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.9s cubic-bezier(.6,0,.1,1), transform 0.9s cubic-bezier(.6,0,.1,1);
}
.reveal.armed.in {
  opacity: 1;
  transform: translateY(0);
}

/* ----- VIEW TRANSITIONS (cross-doc) — disabled in iframe preview to avoid console noise ----- */

/* ----- REDUCED MOTION ----- */
@media not all and (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .glitch::before, .glitch::after { display: none; }
  .ticker-track { animation: none; }
}

/* ----- RESPONSIVE ----- */
@media (max-width: 1100px) {
  .hud { top: 76px; right: 16px; min-width: 220px; }
  .hero-bottom { grid-template-columns: 1fr 1fr; }
  .hero-bottom .hb-cell { border-bottom: 1px solid var(--mute-line); }
  .sect-head { grid-template-columns: 1fr; }
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .intel-grid { grid-template-columns: 1fr 1fr; }
  .intel-cell.large { grid-row: span 1; grid-column: span 2; }
  .how-grid { grid-template-columns: 1fr; }
  .how-cell { border-right: 0; border-bottom: 1px solid var(--mute-line); }
}
@media (max-width: 700px) {
  .container { padding: 0 18px; }
  body { cursor: auto !important; }
  .cursor-ring, .cursor-dot { display: none; }
  nav.top .nav-links a:not(.cta):not(.brand) { display: none; }
  .brand { font-size: 14px; gap: 8px; }
  .brand .box { width: 28px; height: 28px; }
  .brand .brand-copy { gap: 1px; }
  .brand .brand-ko { font-size: 12px; }
  .brand .brand-en { font-size: 7.5px; letter-spacing: 0.1em; }
  .hud { display: none; }
  .hero { padding-top: 80px; }
  .hero h1 { margin-top: 24px; font-size: clamp(48px, 14vw, 80px); }
  .hero-bottom { grid-template-columns: 1fr; }
  .svc-grid { grid-template-columns: 1fr; }
  .intel-grid { grid-template-columns: 1fr; }
  .intel-cell.large { grid-column: span 1; }
  .ai-widget { width: calc(100vw - 32px); right: 16px; bottom: 16px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .ft-bottom-row { flex-direction: column; text-align: center; }
}