/* AlphaCore.Art — atelier system */
:root {
  --bg: #07080b;
  --bg-2: #0c0e13;
  --bg-3: #12151c;
  --ink: #f3efe6;
  --muted: #a39e93;
  --faint: #6f6b63;
  --line: rgba(243, 239, 230, 0.1);
  --line-strong: rgba(243, 239, 230, 0.2);
  --ice: #8eecff;
  --ice-dim: rgba(142, 236, 255, 0.14);
  --gold: #d4b07a;
  --gold-dim: rgba(212, 176, 122, 0.16);
  --card: rgba(10, 12, 16, 0.72);
  --danger: #f07167;
  --ok: #7dcea0;
  --shadow: 0 30px 80px -40px rgba(0, 0, 0, 0.85);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Outfit", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --wrap: 1180px;
  --nav-h: 76px;
}

* { box-sizing: border-box; }
html { margin: 0; background: var(--bg); color: var(--ink); scroll-behavior: smooth; }
html, body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
  max-width: 100%;
}
body { margin: 0; }
html.ac-js .ac-root { opacity: 1; }
a { color: var(--ice); text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea, select { font-family: inherit; }
::selection { background: rgba(142, 236, 255, 0.28); color: #fff; }

.ac-root {
  position: relative;
  min-height: 100vh;
  color: var(--ink);
  background: var(--bg);
}

.ac-cursor, .ac-cursor-dot { display: none !important; }

/* ---- ambient ---- */
.ac-bg {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden;
}
.ac-bg-base {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(142,236,255,0.08), transparent 55%),
    radial-gradient(ellipse 70% 45% at 90% 10%, rgba(212,176,122,0.07), transparent 50%),
    radial-gradient(ellipse 60% 40% at 50% 110%, rgba(142,236,255,0.05), transparent 50%),
    linear-gradient(180deg, #07080b 0%, #0a0c11 50%, #07080b 100%);
}
.ac-bg-grain {
  position: absolute; inset: 0; opacity: 0.18; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='.55'/></svg>");
}
.ac-bg-rain {
  position: absolute; inset: 0; opacity: 0.11;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 10%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 10%, transparent 75%);
  font-family: var(--font-mono); color: #6aa8c4; pointer-events: none; user-select: none;
}
.ac-bg-terrain {
  position: absolute; left: 0; right: 0; bottom: 0; height: min(22vh, 200px);
  opacity: 0.1; overflow: hidden;
  mask-image: linear-gradient(to top, #000 20%, transparent 100%);
  -webkit-mask-image: linear-gradient(to top, #000 20%, transparent 100%);
}
.ac-bg-terrain canvas { width: 100%; height: 100%; display: block; }

.ac-shell { position: relative; z-index: 2; min-height: 100vh; display: flex; flex-direction: column; }
.ac-main { flex: 1; width: 100%; }
.ac-wrap {
  width: min(100% - 40px, var(--wrap));
  margin-inline: auto;
}
@media (max-width: 640px) {
  .ac-wrap { width: min(100% - 28px, var(--wrap)); }
}

/* ---- type ---- */
.ac-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
}
.ac-lead {
  margin: 0;
  font-size: clamp(1.05rem, 2vw, 1.22rem);
  line-height: 1.65;
  color: var(--muted);
  max-width: 34ch;
  font-weight: 400;
}
h1, h2, h3, .ac-display {
  font-family: var(--font-display);
  letter-spacing: -0.035em;
  color: var(--ink);
}

/* ---- nav ---- */
.ac-nav {
  position: sticky; top: 0; z-index: 40;
  padding: 14px 0 10px;
}
.ac-nav-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px 8px 14px;
  border-radius: 999px;
  background: rgba(8, 9, 12, 0.62);
  border: 1px solid var(--line);
  box-shadow: 0 10px 40px rgba(0,0,0,0.35);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  overflow: visible;
}
.ac-logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; flex-shrink: 0;
}
.ac-logo-mark {
  width: 38px; height: 38px; display: grid; place-items: center;
  border-radius: 11px;
}
.ac-logo-word {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.98rem;
  letter-spacing: 0.04em;
  color: var(--ink);
  white-space: nowrap;
}
.ac-logo-word span { color: var(--ice); }

.ac-nav-links {
  display: flex; align-items: center; justify-content: flex-end;
  gap: 2px; flex: 1; min-width: 0;
}
.ac-navlink {
  position: relative;
  display: inline-flex; align-items: center;
  padding: 8px 11px;
  color: var(--muted);
  font-weight: 500;
  font-size: 0.84rem;
  letter-spacing: 0.01em;
  text-decoration: none;
  border-radius: 999px;
  transition: color .2s var(--ease), background .2s var(--ease);
}
.ac-navlink::after {
  content: "";
  position: absolute; left: 14px; right: 14px; bottom: 5px; height: 1px;
  background: var(--ice);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .28s var(--ease);
}
.ac-navlink:hover { color: var(--ink); background: rgba(243,239,230,0.04); }
.ac-navlink:hover::after { transform: scaleX(1); }
.ac-navlink.is-play { color: var(--gold); }

.ac-menu-btn {
  width: 42px; height: 42px; border-radius: 12px;
  display: grid; place-items: center;
  color: var(--ink);
  background: rgba(243,239,230,0.04);
  border: 1px solid var(--line);
  cursor: pointer;
}
.ac-menu-panel {
  position: absolute; top: calc(100% + 10px); left: 0;
  min-width: min(240px, 78vw);
  padding: 10px;
  border-radius: 18px;
  background: rgba(10,12,16,0.96);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
  display: flex; flex-direction: column; gap: 2px; z-index: 60;
}
.ac-menu-panel a {
  display: block; padding: 12px 14px; border-radius: 12px;
  color: var(--ink); font-weight: 500; font-size: 0.95rem;
}
.ac-menu-panel a:hover { background: rgba(243,239,230,0.05); color: var(--ice); }
.ac-menu-langs {
  display: flex; gap: 6px; padding: 10px 8px 6px; margin-top: 4px;
  border-top: 1px solid var(--line);
}
.ac-menu-lang {
  flex: 1; min-height: 40px; border-radius: 10px;
  border: 1px solid var(--line); background: rgba(243,239,230,0.04);
  color: var(--ink); font-family: var(--font-mono); font-size: 0.78rem;
  letter-spacing: 0.08em; cursor: pointer;
}
.ac-menu-lang:hover { border-color: var(--ice); color: var(--ice); }

.ac-lang { position: relative; flex-shrink: 0; margin-left: auto; z-index: 70; }
.ac-lang-current {
  display: grid; place-items: center;
  width: 44px; height: 44px; min-width: 44px; min-height: 44px;
  border-radius: 999px;
  background: rgba(243,239,230,0.04); border: 1px solid var(--line); cursor: pointer; padding: 0;
  overflow: visible;
}
.ac-lang-current svg { display: block; width: 22px; height: 15px; }
.ac-lang-menu {
  position: absolute; top: calc(100% + 8px); right: 0;
  display: flex; flex-direction: column; gap: 4px;
  padding: 8px; border-radius: 14px;
  background: rgba(10,12,16,0.96);
  border: 1px solid var(--line-strong);
  z-index: 60;
}
.ac-lang-menu button {
  display: grid; place-items: center; width: 36px; height: 26px;
  border-radius: 8px; background: transparent; cursor: pointer; padding: 0;
}

/* ---- buttons ---- */
.ac-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 22px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.86rem;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  text-decoration: none;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s, color .25s;
  will-change: transform;
}
.ac-btn-ice {
  background: linear-gradient(180deg, #b7f4ff 0%, var(--ice) 45%, #5ad4ef 100%);
  color: #071016;
  box-shadow: 0 10px 30px -12px rgba(142,236,255,0.7);
}
.ac-btn-ice:hover { transform: translateY(-2px); color: #071016; box-shadow: 0 16px 36px -12px rgba(142,236,255,0.85); }
.ac-btn-ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--ink);
}
.ac-btn-ghost:hover { background: rgba(243,239,230,0.05); color: var(--ink); border-color: var(--ice); }
.ac-btn-gold {
  background: linear-gradient(180deg, #f0d7ad, var(--gold));
  color: #1a140c;
}
.ac-btn-gold:hover { color: #1a140c; transform: translateY(-2px); }
.ac-nav-cta {
  margin-left: 6px;
  padding: 9px 16px;
  font-size: 0.76rem;
  flex-shrink: 0;
}

/* ---- hero ---- */
.ac-hero {
  position: relative;
  min-height: auto;
  display: flex; align-items: center;
  padding: clamp(28px, 5vw, 56px) 0 clamp(40px, 6vw, 72px);
  overflow: hidden;
}
.ac-hero-media {
  position: absolute; inset: 0; z-index: 0;
}
.ac-hero-media img {
  width: 100%; height: 100%; object-fit: cover; object-position: 70% 50%;
  filter: saturate(0.85) contrast(1.05);
}
.ac-hero-shade {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(7,8,11,0.94) 0%, rgba(7,8,11,0.78) 42%, rgba(7,8,11,0.4) 72%, rgba(7,8,11,0.62) 100%),
    linear-gradient(180deg, rgba(7,8,11,0.18) 0%, transparent 28%, rgba(7,8,11,0.82) 100%);
}
.ac-hero-inner {
  position: relative; z-index: 1;
  width: min(100% - 40px, var(--wrap));
  margin-inline: auto;
  padding-left: 62px;
  padding-right: 18px;
  box-sizing: border-box;
}
.ac-hero-copy {
  max-width: 36rem;
}
.ac-hero h1 {
  margin: 0 0 12px;
  font-size: clamp(2.15rem, 3.6vw, 3.35rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--ink);
  text-shadow: 0 16px 40px rgba(0,0,0,0.4);
}
.ac-hero h1 span { color: var(--ice); }
.ac-hero-sub {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.15rem, 2.4vw, 1.65rem);
  letter-spacing: -0.03em;
  color: var(--ink);
}
.ac-hero .ac-lead { margin-bottom: 28px; color: rgba(243,239,230,0.78); }
.ac-hero-cta { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }
.ac-stats {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding-top: 22px;
  border-top: 1px solid rgba(243,239,230,0.12);
}
.ac-stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  letter-spacing: -0.04em;
  color: var(--ink);
}
.ac-stat span {
  display: block; margin-top: 4px;
  font-size: 0.78rem; color: var(--muted); letter-spacing: 0.02em;
}

.ac-pills {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin: 0 0 28px;
}
.ac-pill {
  display: inline-flex; align-items: center;
  padding: 7px 12px; border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: 0.75rem; font-weight: 500;
  background: rgba(7,8,11,0.55);
  backdrop-filter: blur(8px);
  transition: border-color .2s, color .2s, transform .2s var(--ease);
}
.ac-pill:hover { border-color: var(--ice); color: var(--ice); transform: translateY(-1px); }

/* ---- sections ---- */
.ac-section { padding: clamp(64px, 9vw, 120px) 0 0; }
.ac-sec-head { max-width: 640px; margin-bottom: clamp(28px, 4vw, 48px); }
.ac-sec-head h2 {
  margin: 0;
  font-size: clamp(2rem, 4.6vw, 3.3rem);
  font-weight: 700;
  line-height: 1.15;
}
.ac-sec-head p.ac-sub {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

/* ---- bento services ---- */
.ac-bento {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.ac-svc {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  min-height: 280px;
  cursor: pointer;
  border: 1px solid var(--line);
  background: var(--bg-2);
  isolation: isolate;
  transition: transform .45s var(--ease), border-color .3s, box-shadow .45s;
}
.ac-svc-img {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transform: scale(1.04);
  transition: transform .8s var(--ease), filter .5s;
  filter: saturate(0.8) brightness(0.72);
}
.ac-svc::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(7,8,11,0.1) 0%, rgba(7,8,11,0.55) 45%, rgba(7,8,11,0.92) 100%);
}
.ac-svc-body {
  position: absolute; inset: auto 0 0 0; z-index: 1;
  padding: 22px 22px 24px;
}
.ac-svc-icon {
  width: 44px; height: 44px; margin-bottom: 12px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: rgba(7,8,11,0.55);
  border: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.ac-svc-icon svg { width: 62%; height: 62%; }
.ac-svc h3 {
  margin: 0 0 8px;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}
.ac-svc p {
  margin: 0 0 12px;
  color: rgba(243,239,230,0.72);
  font-size: 0.92rem;
  line-height: 1.5;
  max-width: 36ch;
}
.ac-more {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ice);
}
.ac-svc:hover { transform: translateY(-4px); border-color: rgba(142,236,255,0.35); box-shadow: 0 24px 50px -28px rgba(0,0,0,0.8); }
.ac-svc:hover .ac-svc-img { transform: scale(1.08); filter: saturate(1) brightness(0.85); }
.ac-svc-card:target,
.ac-svc-card.is-hit {
  border-color: rgba(142, 236, 255, 0.7) !important;
  box-shadow: 0 0 0 1px rgba(142,236,255,0.35), 0 20px 50px rgba(0,0,0,0.4) !important;
}

/* ---- why ---- */
.ac-why-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.ac-why {
  padding: 26px 28px 28px;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(18,21,28,0.9), rgba(10,12,16,0.9));
  border: 1px solid var(--line);
  transition: border-color .25s, transform .35s var(--ease);
}
.ac-why:hover { transform: translateY(-3px); border-color: var(--line-strong); }
.ac-why h4 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.02rem;
  letter-spacing: -0.03em;
}
.ac-why p { margin: 0; color: var(--muted); font-size: 0.9rem; line-height: 1.55; }
.ac-why-n {
  display: block; margin-bottom: 14px;
  font-family: var(--font-mono); font-size: 0.7rem; color: var(--gold); letter-spacing: 0.16em;
}

/* ---- tech marquee ---- */
.ac-marquee {
  margin-top: 8px;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.ac-marquee-track {
  display: flex; gap: 10px; width: max-content;
  animation: acMarquee 42s linear infinite;
}
.ac-chip {
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(18,21,28,0.7);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--ink);
  white-space: nowrap;
}
@keyframes acMarquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---- process ---- */
.ac-process {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  position: relative;
}
.ac-step {
  position: relative;
  padding: 22px 20px 24px;
  border-radius: 18px;
  background: rgba(12,14,19,0.75);
  border: 1px solid var(--line);
}
.ac-step-num {
  width: 32px; height: 32px; margin-bottom: 12px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #071016;
  background: linear-gradient(135deg, var(--ice), var(--gold));
}
.ac-step h4 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 0.92rem;
  letter-spacing: -0.02em;
}
.ac-step p { margin: 0; color: var(--muted); font-size: 0.78rem; line-height: 1.45; }

/* ---- CTA band ---- */
.ac-cta {
  position: relative;
  margin-top: clamp(64px, 9vw, 110px);
  border-radius: 32px;
  overflow: hidden;
  min-height: 320px;
  display: grid; place-items: center;
  text-align: center;
  border: 1px solid var(--line-strong);
}
.ac-cta img.ac-cta-bg {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  filter: saturate(0.85) brightness(0.55);
}
.ac-cta::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(7,8,11,0.35), rgba(7,8,11,0.72));
}
.ac-cta-inner { position: relative; z-index: 1; padding: clamp(40px, 7vw, 72px) 24px; max-width: 640px; }
.ac-cta h2 {
  margin: 0 0 12px;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}
.ac-cta p { margin: 0 0 24px; color: rgba(243,239,230,0.82); font-size: 1.05rem; }

/* ---- page heads ---- */
.ac-page {
  padding: clamp(28px, 5vw, 56px) 0 0;
}
.ac-page-head { max-width: 720px; margin-bottom: clamp(36px, 5vw, 56px); }
.ac-mail-line { margin: 18px 0 0; }
.ac-mail-line a {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.03em;
  color: var(--ink);
  border-bottom: 1px solid rgba(142,236,255,0.45);
  padding-bottom: 2px;
}
.ac-mail-line a:hover { color: var(--ice); }
.ac-page-head h2 {
  margin: 0 0 10px;
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.02;
}

/* ---- services list page ---- */
.ac-svc-row {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 36px;
  padding: 8px 0 36px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--line);
  align-items: center;
}
.ac-svc-row:last-child { border-bottom: 0; }
.ac-svc-thumb {
  width: 100%; aspect-ratio: 4/3; object-fit: cover;
  border-radius: 16px; border: 1px solid var(--line);
}
.ac-svc-row h3 {
  margin: 0 0 8px;
  font-size: 1.35rem;
}
.ac-svc-row p { margin: 0 0 12px; color: var(--muted); line-height: 1.6; }
.ac-svc-row ul { margin: 0; padding-left: 18px; color: var(--faint); font-size: 0.92rem; line-height: 1.75; }

/* ---- about ---- */
.ac-about {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
}
.ac-about-photo {
  border-radius: 28px; overflow: hidden;
  border: 1px solid var(--line);
  aspect-ratio: 16/11;
}
.ac-about-photo img { width: 100%; height: 100%; object-fit: cover; }
.ac-about-copy p {
  font-size: 1.12rem; line-height: 1.7; color: var(--muted); margin: 0 0 28px;
}
.ac-values {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
}
.ac-value {
  padding: 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(12,14,19,0.7);
}
.ac-value h4 { margin: 0 0 6px; font-family: var(--font-display); font-size: 0.95rem; }
.ac-value p { margin: 0; font-size: 0.82rem; color: var(--muted); line-height: 1.45; }

/* ---- portfolio cases ---- */
.ac-cases { display: flex; flex-direction: column; gap: 0; }
.ac-case {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 36px;
  align-items: center;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  cursor: pointer;
}
.ac-case:last-child { border-bottom: 1px solid var(--line); }
.ac-case-media {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  aspect-ratio: 16/10;
  background: #0a0c10;
  border: 1px solid var(--line);
}
.ac-case-media img {
  width: 100%; height: 100%; object-fit: cover;
  filter: saturate(0.35) contrast(1.04);
  transition: filter .5s var(--ease), transform .6s var(--ease);
}
.ac-case:hover .ac-case-media img { filter: saturate(0.7) contrast(1.05); transform: scale(1.03); }
.ac-case-body { min-width: 0; }
.ac-case-idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin-bottom: 10px;
}
.ac-case-body h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.2vw, 1.7rem);
  letter-spacing: -0.035em;
  font-weight: 700;
}
.ac-case-cat {
  margin: 0 0 10px;
  font-size: 0.78rem;
  color: var(--faint);
  letter-spacing: 0.04em;
}
.ac-case-blurb {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
  max-width: 46ch;
}
.ac-case-go {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ice);
}
.ac-badge {
  position: absolute; top: 10px; left: 10px; z-index: 6;
  padding: 5px 10px; border-radius: 999px;
  font-family: var(--font-mono); font-weight: 600;
  font-size: 0.58rem; letter-spacing: 0.14em;
  pointer-events: none;
  background: rgba(7,8,11,0.78);
}
.ac-badge.is-sale { color: var(--gold); border: 1px solid rgba(212,176,122,0.35); }
.ac-badge.is-free { color: #7dcea0; border: 1px solid rgba(125,206,160,0.35); }

/* ---- contact ---- */
.ac-contact {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(20px, 3vw, 36px);
  align-items: start;
}
.ac-panel {
  border-radius: 24px;
  padding: clamp(18px, 3vw, 28px);
  background: rgba(12,14,19,0.78);
  border: 1px solid var(--line);
}
.ac-faq-item { border-bottom: 1px solid var(--line); padding: 14px 0; }
.ac-faq-item:last-child { border-bottom: 0; }
.ac-faq-item button {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: none; border: none; color: var(--ink);
  font-family: var(--font-display); font-weight: 650; font-size: 1rem;
  letter-spacing: -0.02em; text-align: left; cursor: pointer; padding: 4px 0;
}
.ac-faq-item p { margin: 10px 0 0; font-size: 0.92rem; color: var(--muted); line-height: 1.55; }
.ac-faq-sign { color: var(--ice); font-size: 1.2rem; font-weight: 400; }

.ac-form { display: flex; flex-direction: column; gap: 14px; }
.ac-form label { display: block; font-size: 0.78rem; color: var(--muted); margin: 0 0 6px; }
.ac-form label span { color: var(--ice); }
.ac-form input, .ac-form textarea, select.ac-select {
  width: 100%; padding: 13px 14px; border-radius: 12px;
  background: rgba(7,8,11,0.7);
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: 0.95rem;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.ac-form textarea { resize: vertical; min-height: 110px; }
.ac-form input:focus, .ac-form textarea:focus, select.ac-select:focus {
  border-color: rgba(142,236,255,0.55);
  box-shadow: 0 0 0 3px rgba(142,236,255,0.12);
}
select.ac-select {
  appearance: none; -webkit-appearance: none; color-scheme: dark;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%238eecff' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; cursor: pointer;
}
select.ac-select option, select.ac-select optgroup { background: #101218; color: #f3efe6; }
.ac-form-thanks {
  font-family: var(--font-display); font-weight: 700; font-size: 1.15rem;
  color: var(--ice); text-align: center; padding: 36px 8px;
}
.ac-legal {
  font-size: 0.95rem; color: var(--muted); line-height: 1.8; margin: 0; white-space: pre-line;
}

/* ---- footer ---- */
.ac-footer {
  margin-top: auto;
  padding: 48px 0 28px;
}
.ac-footer-inner {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.ac-footer-brand {
  font-family: var(--font-display); font-weight: 700; letter-spacing: 0.04em; font-size: 0.85rem;
}
.ac-footer-brand span { color: var(--ice); }
.ac-footer nav { display: flex; flex-wrap: wrap; gap: 14px 18px; }
.ac-footer nav a, .ac-footer nav button {
  font-size: 0.78rem; color: var(--faint); background: none; border: none;
  cursor: pointer; padding: 0; font-family: inherit;
}
.ac-footer nav a:hover, .ac-footer nav button:hover { color: var(--ink); }
.ac-prompt {
  font-family: var(--font-mono); font-size: 0.75rem; color: var(--ice);
  display: inline-flex; align-items: center; gap: 6px;
}

/* ---- cookie ---- */
.ac-cookie {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 100;
  padding: 16px; display: flex; justify-content: center;
}
.ac-cookie-box {
  max-width: 640px; width: 100%;
  padding: 18px 20px; border-radius: 20px;
  background: rgba(10,12,16,0.96);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow);
}
.ac-cookie-box p { font-size: 0.84rem; color: var(--muted); line-height: 1.5; margin: 0 0 12px; }

/* ---- motion helpers ---- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
}
[data-reveal].is-in {
  opacity: 1;
  transform: none;
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
[data-reveal].d1 { transition-delay: 0.08s; }
[data-reveal].d2 { transition-delay: 0.16s; }
[data-reveal].d3 { transition-delay: 0.24s; }
[data-reveal].d4 { transition-delay: 0.32s; }

@keyframes acCursorBlink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
@keyframes acSpin { to { transform: rotate(360deg); } }
@keyframes acBinaryFall { 0% { transform: translateY(-10%); opacity: 0; } 10% { opacity: 0.7; } 90% { opacity: 0.5; } 100% { transform: translateY(110vh); opacity: 0; } }

.ac-caret {
  display: inline-block; width: 0.42em; height: 0.95em; margin-left: 2px;
  background: var(--ice); border-radius: 1px;
  animation: acCursorBlink 1.05s step-end infinite; vertical-align: text-bottom;
}

@media (max-width: 1100px) {
  .ac-process { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 980px) {
  .ac-about, .ac-contact { grid-template-columns: 1fr; }
  .ac-hero { min-height: auto; padding: 20px 0 36px; }
  .ac-hero-media { min-height: 100%; }
  .ac-hero-inner { padding-left: 12px; padding-right: 8px; }
  .ac-bento { grid-template-columns: 1fr; }
  .ac-svc { min-height: 260px; }
  .ac-why-grid { grid-template-columns: 1fr 1fr; }
  .ac-case { grid-template-columns: 220px 1fr; gap: 22px; }
  .ac-svc-row { grid-template-columns: 1fr; }
  .ac-svc-thumb { max-width: 280px; }
}
@media (max-width: 880px) {
  .ac-nav-links { display: none !important; }
  .ac-nav-cta { display: none !important; }
  .ac-lang { margin-left: auto; }
}
@media (max-width: 700px) {
  .ac-stats { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
  .ac-why-grid, .ac-values { grid-template-columns: 1fr; }
  .ac-case { grid-template-columns: 1fr; gap: 14px; padding: 22px 0; }
  .ac-hero h1 { font-size: clamp(1.85rem, 8.4vw, 2.35rem); white-space: nowrap; }
  .ac-pills { display: none; }
  .ac-kicker { letter-spacing: 0.14em; font-size: 0.6rem; }
  .ac-cta { border-radius: 24px; }
  .ac-nav-bar { border-radius: 18px; }
  .ac-lead { font-size: 1rem; max-width: none; }
}
@media (max-width: 420px) {
  .ac-logo-word { display: none; }
  .ac-hero h1 { white-space: normal; font-size: 1.85rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ac-marquee-track, .ac-caret { animation: none !important; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .ac-svc, .ac-pcard, .ac-btn, .ac-why { transition: none; }
}