/* ============================================================
Korobyte — v2 "Obsidian Terminal"
============================================================ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
a {
  text-decoration: none;
  color: inherit;
}
button {
  font: inherit;
  cursor: pointer;
}
img {
  display: block;
  max-width: 100%;
}

:root {
  --bg: #07080c;
  --bg-raised: #0c0e14;
  --bg-rail: #0a0b10;
  --ink: #f4f5f7;
  --ink-2: #a9acb6;
  --ink-3: #686c78;
  --ink-4: #3c404a;
  --line: rgba(255, 255, 255, 0.07);
  --line-2: rgba(255, 255, 255, 0.13);

  --accent: #7c9cff; /* brand blue — primary accent */
  --accent-2: #a78bfa; /* brand purple */
  --accent-3: #67e8f9; /* cyan */
  --warn: #ffb454;

  --container: 1280px;
  --px: clamp(1.25rem, 4vw, 2.25rem);
  --header-h: 64px;

  --font-sans: "Inter", "Noto Sans JP", -apple-system, sans-serif;
  --font-jp: "Noto Sans JP", "Inter", sans-serif;
  --font-serif: "Instrument Serif", "Noto Serif JP", serif;
  --font-mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
}

/* Theme variants (tweaks) */
body[data-accent="violet"] {
  --accent: #a78bfa;
  --accent-2: #7c9cff;
  --accent-3: #67e8f9;
}
body[data-accent="cyan"] {
  --accent: #67e8f9;
  --accent-2: #7c9cff;
  --accent-3: #a78bfa;
}
body[data-accent="phosphor"] {
  --accent: #8aff9f;
  --accent-2: #7c9cff;
  --accent-3: #e4b0ff;
}

body[data-mode="light"] {
  --bg: #f6f5f1;
  --bg-raised: #ffffff;
  --bg-rail: #efede6;
  --ink: #0b0d14;
  --ink-2: #3c404a;
  --ink-3: #686c78;
  --ink-4: #a9acb6;
  --line: rgba(11, 13, 20, 0.1);
  --line-2: rgba(11, 13, 20, 0.18);
}
body[data-mode="light"] .grain {
  opacity: 0.04;
  mix-blend-mode: multiply;
}

html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  font-feature-settings: "palt", "ss01";
}

/* Grain overlay */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 200;
  opacity: 0.35;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140' viewBox='0 0 140 140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.6 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* Shell */
.shell {
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: var(--px);
}

/* ============================================================
         HEADER — narrow ticker band
         ============================================================ */
.topbar {
  border-bottom: 1px solid var(--line);
  background: var(--bg-rail);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-3);
}
.topbar-inner {
  display: flex;
  gap: 1.5rem;
  height: 32px;
  align-items: center;
  overflow: hidden;
  white-space: nowrap;
}
.topbar-inner span {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.topbar-inner .live::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent);
  animation: blink 1.5s ease-in-out infinite;
}
@keyframes blink {
  50% {
    opacity: 0.35;
  }
}

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in oklch, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--px);
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 2rem;
}
.logo {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}
.logo .mark {
  width: 22px;
  height: 22px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line-2);
  border-radius: 5px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent);
  margin-right: 0.25rem;
  background: var(--bg-raised);
}
.logo .tld {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-3);
  font-weight: 500;
}
.nav ul {
  display: flex;
  list-style: none;
  margin-left: auto;
  gap: 1.5rem;
}
.nav ul a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  font-size: 0.86rem;
  color: var(--ink-2);
  font-weight: 500;
  padding: 0.3rem 0;
  border-bottom: 1px solid transparent;
  transition:
    color 0.2s,
    border-color 0.2s;
}
.nav ul a .n {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--ink-4);
}
.nav ul a:hover {
  color: var(--ink);
  border-bottom-color: var(--accent);
}
.nav-cta {
  padding: 0.55rem 1rem;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font-size: 0.82rem;
  font-family: var(--font-mono);
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition:
    border-color 0.2s,
    background 0.2s;
}
.nav-cta::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}
.nav-cta:hover {
  border-color: var(--accent);
  background: color-mix(in oklch, var(--accent) 8%, transparent);
}

/* ============================================================
         HERO
         ============================================================ */
.hero {
  position: relative;
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(3rem, 8vw, 5rem);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse at 50% 40%, black 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(
    ellipse at 50% 40%,
    black 30%,
    transparent 78%
  );
  z-index: 0;
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: var(--bg-raised);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-2);
  width: max-content;
}
.hero-eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--accent) 22%, transparent);
  animation: blink 2s ease-in-out infinite;
}
.hero-eyebrow em {
  color: var(--ink-3);
  font-style: normal;
}
.hero-eyebrow em::before {
  content: "/ ";
  color: var(--ink-4);
}

.hero h1 {
  font-family: var(--font-jp);
  font-weight: 800;
  font-size: clamp(2.75rem, 7.5vw, 6.25rem);
  letter-spacing: -0.03em;
  line-height: 1.02;
  margin-top: 1.5rem;
  color: var(--ink);
}
.hero h1 .ser {
  font-family: var(--font-serif);
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.01em;
  color: var(--accent);
}
.hero h1 .outline {
  -webkit-text-stroke: 1.2px var(--ink);
  color: transparent;
  font-weight: 800;
}
body[data-mode="light"] .hero h1 .outline {
  -webkit-text-stroke-color: var(--ink);
}

.hero-sub {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  align-items: start;
  margin-top: 2.5rem;
  padding-top: 2rem;
}
.hero-sub .colA {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-3);
  letter-spacing: 0.04em;
  padding-top: 0.3rem;
  white-space: nowrap;
}
.hero-sub .colA b {
  color: var(--accent);
  font-weight: 500;
}
.hero-sub p {
  color: var(--ink-2);
  font-size: clamp(1rem, 1.3vw, 1.15rem);
  line-height: 1.85;
  max-width: 62ch;
}

.hero-actions {
  margin-top: 2.5rem;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1.4rem;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 600;
  border: 1px solid transparent;
  transition:
    transform 0.18s,
    background 0.18s,
    border-color 0.18s,
    color 0.18s;
}
.btn svg {
  width: 14px;
  height: 14px;
}
.btn-primary {
  background: var(--ink);
  color: var(--bg);
}
.btn-primary:hover {
  transform: translateY(-1px);
}
.btn-ghost {
  border-color: var(--line-2);
  color: var(--ink);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ============================================================
         TICKER MARQUEE — signature element
         ============================================================ */
.marquee {
  position: relative;
  margin-top: 4rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-rail);
  overflow: hidden;
}
.marquee-track {
  display: flex;
  gap: 3rem;
  animation: scroll 42s linear infinite;
  width: max-content;
}
.marquee-track span {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  color: var(--ink);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 3rem;
}
.marquee-track span::after {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent);
  display: inline-block;
}
@keyframes scroll {
  to {
    transform: translateX(-50%);
  }
}

/* ============================================================
         SERVICES
         ============================================================ */
.section {
  position: relative;
  padding: clamp(4rem, 9vw, 7rem) 0;
}

.section-label {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 2rem;
  align-items: center;
  padding-bottom: 3rem;
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--line);
}
.section-label .num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.06em;
}
.section-label .title {
  font-family: var(--font-jp);
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
}
.section-label .title .en {
  font-family: var(--font-mono);
  font-style: normal;
  font-weight: 500;
  color: var(--ink-3);
  margin-left: 0.75rem;
  font-size: 0.6em;
  letter-spacing: 0.04em;
}
.section-label .meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-3);
  text-align: right;
  line-height: 1.75;
}

.services {
  display: grid;
  gap: 0;
}
.svc {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 2.5rem;
  align-items: start;
  padding: 2.25rem 0;
  border-top: 1px solid var(--line);
  position: relative;
  transition:
    padding 0.3s,
    background 0.3s;
}
.svc:last-child {
  border-bottom: 1px solid var(--line);
}
.svc-flag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.5rem;
  font-weight: 500;
}
.svc-featured {
  background: linear-gradient(
    135deg,
    color-mix(in oklch, var(--accent) 6%, transparent),
    color-mix(in oklch, var(--accent-2) 5%, transparent)
  );
}
.svc-featured .svc-num {
  color: var(--accent);
}
.svc-products {
  margin-top: 1.25rem;
  border-top: 1px dashed var(--line-2);
  padding-top: 1rem;
}
.svc-product-head {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
  margin-bottom: 0.45rem;
}
.svc-product-badge {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  padding: 0.15rem 0.45rem;
  background: var(--accent);
  color: var(--bg);
  border-radius: 3px;
  letter-spacing: 0.08em;
  font-weight: 600;
}
.svc-product-head strong {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
}
.svc-product-head .svc-product-sub {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-3);
}
.svc-product-body {
  color: var(--ink-2);
  font-size: 0.88rem;
  line-height: 1.75;
  margin-bottom: 0.35rem;
}
.svc-product-link {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.04em;
}
.svc::before {
  content: "";
  position: absolute;
  left: -1rem;
  right: -1rem;
  top: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    transparent,
    color-mix(in oklch, var(--accent) 6%, transparent),
    transparent
  );
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.svc:hover::before {
  opacity: 1;
}
.svc:hover {
  padding-inline: 1rem;
}
.svc-num {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: clamp(2rem, 3.5vw, 3rem);
  color: var(--ink-3);
  line-height: 0.9;
  font-weight: 500;
  opacity: 0.95;
  letter-spacing: -0.01em;
  transition: color 0.3s;
}
.svc:hover .svc-num {
  color: var(--accent);
}
.svc-body {
  max-width: 56ch;
}
.svc-body h3 {
  font-family: var(--font-jp);
  font-size: clamp(1.3rem, 2vw, 1.65rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}
.svc-body .en {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-3);
  letter-spacing: 0.05em;
  margin-bottom: 0.85rem;
  text-transform: uppercase;
}
.svc-body p {
  color: var(--ink-2);
  font-size: 0.98rem;
  line-height: 1.85;
}
.svc-tags {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.svc-tags span {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 0.25rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--ink-3);
}
.svc-arrow {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-2);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--ink-2);
  transition: all 0.25s;
  flex-shrink: 0;
}
.svc-arrow svg {
  width: 16px;
  height: 16px;
  transition: transform 0.25s;
}
.svc:hover .svc-arrow {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}
.svc:hover .svc-arrow svg {
  transform: translate(2px, -2px);
}

/* ============================================================
         ABOUT
         ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.about-copy h2 {
  font-family: var(--font-jp);
  font-size: clamp(2rem, 3.5vw, 2.85rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.025em;
  margin-bottom: 2rem;
}
.about-copy h2 .ser {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}
.about-copy p {
  color: var(--ink-2);
  line-height: 1.95;
  font-size: 1rem;
  margin-bottom: 1.25rem;
  max-width: 46ch;
}
.pillars {
  margin-top: 2.5rem;
  display: grid;
  gap: 0;
}
.pillar {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  padding: 1.1rem 0;
  border-top: 1px solid var(--line);
}
.pillar:last-child {
  border-bottom: 1px solid var(--line);
}
.pillar .k {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  padding-top: 0.2rem;
}
.pillar .v {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.5;
}
.pillar .v small {
  display: block;
  font-weight: 400;
  color: var(--ink-3);
  font-size: 0.88rem;
  margin-top: 0.35rem;
  line-height: 1.7;
}

.about-visual {
  position: relative;
  aspect-ratio: 4/5;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.about-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.2) contrast(1.02);
}
body[data-mode="dark"] .about-visual img,
body:not([data-mode="light"]) .about-visual img {
  filter: grayscale(0.25) contrast(0.95) brightness(0.9);
}
.about-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(7, 8, 12, 0.6));
  pointer-events: none;
}
body[data-mode="light"] .about-visual::after {
  background: linear-gradient(180deg, transparent 50%, rgba(0, 0, 0, 0.18));
}
.about-visual-overlay {
  position: absolute;
  inset: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  z-index: 2;
}
.about-visual-overlay .t,
.about-visual-overlay .b {
  display: flex;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.82);
}
.about-visual-overlay .t span:first-child::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  margin-right: 0.5rem;
  vertical-align: middle;
}

/* ============================================================
         COMPANY INFO
         ============================================================ */
.info {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 3rem;
  max-width: 960px;
  margin: 0 auto;
}
.info-side {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-3);
  line-height: 1.9;
  padding-top: 1.5rem;
}
.info-side p {
  margin-bottom: 1.5rem;
}
.info-side b {
  color: var(--accent);
  font-weight: 500;
}
.info-rows {
  display: grid;
  gap: 0;
}
.irow {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 2rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
  align-items: start;
}
.irow:last-child {
  border-bottom: 1px solid var(--line);
}
.irow .k {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  padding-top: 0.15rem;
}
.irow .v {
  font-size: 1rem;
  color: var(--ink);
  line-height: 1.85;
}
.irow .v ul {
  list-style: none;
  display: grid;
  gap: 0.2rem;
}
.irow .v ul li::before {
  content: "→ ";
  color: var(--ink-4);
  font-family: var(--font-mono);
}

/* ============================================================
         CTA
         ============================================================ */
.cta {
  position: relative;
  padding: clamp(4rem, 9vw, 7rem) 0;
  overflow: hidden;
  border-top: 1px solid var(--line);
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse 60% 50% at 20% 30%,
      color-mix(in oklch, var(--accent) 22%, transparent) 0%,
      transparent 60%
    ),
    radial-gradient(
      ellipse 50% 40% at 80% 70%,
      color-mix(in oklch, var(--accent-2) 18%, transparent) 0%,
      transparent 55%
    );
  z-index: 0;
}
.cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse at 50% 50%, black 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(
    ellipse at 50% 50%,
    black 20%,
    transparent 75%
  );
  z-index: 0;
}
.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
}
.cta-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.cta h2 {
  font-family: var(--font-jp);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 2rem;
}
.cta h2 .ser {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}
.cta p {
  color: var(--ink-2);
  font-size: 1.05rem;
  line-height: 1.85;
  max-width: 42ch;
  margin: 0 auto 2.5rem;
}
.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 1.1rem 2rem;
  background: var(--ink);
  color: var(--bg);
  font-weight: 700;
  font-size: 1rem;
  border-radius: 999px;
  transition: transform 0.2s;
}
.cta-button:hover {
  transform: translateY(-2px);
}

/* ============================================================
         FOOTER
         ============================================================ */
.footer {
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--line);
  background: var(--bg-rail);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--line);
}
.footer-brand .logo {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}
.footer-brand p {
  color: var(--ink-3);
  font-size: 0.9rem;
  line-height: 1.8;
  max-width: 32ch;
}
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  font-weight: 500;
}
.footer-col ul {
  list-style: none;
  display: grid;
  gap: 0.65rem;
}
.footer-col a {
  color: var(--ink-2);
  font-size: 0.9rem;
  transition: color 0.2s;
}
.footer-col a:hover {
  color: var(--accent);
}
.footer-col p {
  color: var(--ink-3);
  font-size: 0.85rem;
  line-height: 1.85;
}
.footer-bot {
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-4);
  flex-wrap: wrap;
  gap: 1rem;
}

/* ============================================================
         HIDDEN MINI GAME — original subtle dots restored
         ============================================================ */
.hidden-dots {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}
.hidden-dots .shape-dot {
  position: fixed;
  border-radius: 50%;
  cursor: pointer;
  pointer-events: auto;
}
.shape-dot-blue {
  width: 14px;
  height: 14px;
  background: var(--accent-2);
  opacity: 0.35;
  top: 28vh;
  right: 8vw;
}
.shape-dot-purple {
  width: 10px;
  height: 10px;
  background: var(--accent-3);
  opacity: 0.3;
  top: 72vh;
  left: 6vw;
}
.shape-dot-cyan {
  width: 8px;
  height: 8px;
  background: var(--accent);
  opacity: 0.35;
  top: 45vh;
  left: 3vw;
}
.shape-dot-sm {
  width: 6px;
  height: 6px;
  background: var(--accent-2);
  opacity: 0.3;
  top: 88vh;
  right: 14vw;
}

/* Game layer (appears centered on activation) */
.game-layer {
  position: fixed;
  inset: 10vh 10vw;
  max-width: 520px;
  max-height: 640px;
  margin: auto;
  z-index: 500;
  display: none;
  border-radius: 16px;
  overflow: hidden;
  background: var(--bg-raised);
  border: 1px solid var(--line-2);
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.5);
}
.game-screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: color-mix(in oklch, var(--bg-raised) 88%, transparent);
  backdrop-filter: blur(6px);
}
.game-start-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
  padding: 1.1rem 1.75rem;
  border: 1.5px solid var(--accent);
  border-radius: 12px;
  color: var(--accent);
  font-weight: 800;
  font-size: 1.15rem;
  background: transparent;
}
.game-start-btn small {
  font-size: 0.7rem;
  font-weight: 500;
  opacity: 0.85;
  text-align: center;
}
.game-start-btn:hover {
  background: var(--accent);
  color: var(--bg);
}
.game-hud {
  position: absolute;
  top: 0.7rem;
  left: 1rem;
  right: 1rem;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-2);
  z-index: 11;
  pointer-events: none;
}
.game-dot {
  position: absolute;
  border-radius: 50%;
  cursor: pointer;
  transform: scale(0);
  opacity: 0;
  transition:
    transform 0.12s ease,
    opacity 0.12s ease;
  z-index: 11;
}
.game-dot.visible {
  transform: scale(1);
  opacity: 1;
}
.game-dot.popped {
  transform: scale(2);
  opacity: 0;
  pointer-events: none;
}
.game-final-score {
  font-family: var(--font-jp);
  font-style: normal;
  font-weight: 800;
  font-size: 4rem;
  color: var(--accent);
  line-height: 1;
}
.game-screen p {
  color: var(--ink-2);
  font-size: 0.85rem;
}
.game-retry-btn {
  margin-top: 0.5rem;
  padding: 0.6rem 1.5rem;
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.85rem;
}
#gameCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
.game-close-btn {
  position: absolute;
  top: 10px;
  right: 12px;
  z-index: 20;
  background: var(--bg);
  border: 1px solid var(--line-2);
  color: var(--ink);
  font-size: 0.9rem;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============================================================
         TWEAKS PANEL
         ============================================================ */
.tweaks {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 600;
  width: 260px;
  background: var(--bg-raised);
  border: 1px solid var(--line-2);
  border-radius: 14px;
  padding: 1.1rem;
  font-size: 0.85rem;
  display: none;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}
.tweaks.is-open {
  display: block;
}
.tweaks h5 {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-3);
  letter-spacing: 0.1em;
  margin-bottom: 0.9rem;
  display: flex;
  justify-content: space-between;
  font-weight: 500;
}
.tweaks h5 button {
  background: none;
  border: none;
  color: var(--ink-3);
  font-size: 1rem;
}
.tw-group {
  margin-bottom: 1rem;
}
.tw-group:last-child {
  margin-bottom: 0;
}
.tw-label {
  color: var(--ink-2);
  font-size: 0.78rem;
  margin-bottom: 0.5rem;
}
.tw-sw {
  display: flex;
  gap: 0.4rem;
}
.tw-sw button {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 2px solid transparent;
  cursor: pointer;
}
.tw-sw button[aria-selected="true"] {
  border-color: var(--ink);
}
.sw-brand {
  background: linear-gradient(135deg, #7c9cff, #a78bfa);
}
.sw-violet {
  background: #a78bfa;
}
.sw-cyan {
  background: #67e8f9;
}
.sw-phosphor {
  background: #8aff9f;
}
.tw-toggle {
  display: flex;
  gap: 0.3rem;
  padding: 0.2rem;
  background: var(--bg-rail);
  border-radius: 8px;
  border: 1px solid var(--line);
}
.tw-toggle button {
  flex: 1;
  padding: 0.4rem 0.5rem;
  font-size: 0.78rem;
  border: none;
  background: transparent;
  border-radius: 6px;
  color: var(--ink-2);
  font-family: var(--font-mono);
}
.tw-toggle button[aria-selected="true"] {
  background: var(--ink);
  color: var(--bg);
}

/* ============================================================
         RESPONSIVE
         ============================================================ */
@media (max-width: 960px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .about-visual {
    max-width: 480px;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
  .info {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .info-side {
    padding-top: 0;
  }
}
@media (max-width: 720px) {
  .nav ul {
    display: none;
  }
  .nav-cta {
    margin-left: auto;
  }
  .svc {
    grid-template-columns: auto 1fr;
    gap: 1.5rem;
  }
  .svc-arrow {
    grid-column: 2;
    justify-self: start;
    margin-top: 0.5rem;
  }
  .section-label {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  .section-label .meta {
    text-align: left;
  }
  .hero-sub {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-bot {
    justify-content: center;
    text-align: center;
  }
  .irow {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
}