@charset "UTF-8";

/* =========================================================
   SENTAN AX LAB / styles.css
   ベース: R3 (Dark + Neon Single) × R2 (Brutalist) × R4 (Noise Grad, partial)
   ========================================================= */

/* ---------- Reset / Base ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: #0E0E10;
  color: #F2EFE6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-family: "Zen Kaku Gothic New", system-ui, -apple-system, sans-serif;
  font-feature-settings: "palt" 1;
  line-height: 1.85;
}

::selection {
  background: #E8FF3A;
  color: #0E0E10;
}

img, svg { max-width: 100%; display: block; }

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; padding: 0; margin: 0; }
p { margin: 0; }
h1, h2, h3, h4 { margin: 0; }

:root {
  --bg: #0E0E10;
  --bg-sub: #16171B;
  --bg-deep: #07070A;
  --text: #F2EFE6;
  --text-sub: #9C9A93;
  --line: #2A2B30;
  --lime: #E8FF3A;
  --lime-soft: rgba(232,255,58,0.18);
  --inv-bg: #F2EFE6;
  --inv-text: #0E0E10;

  --maxw: 1280px;
  --pad-x: clamp(24px, 5vw, 80px);
  --section-pad: clamp(96px, 14vw, 200px);

  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --sans-en: "Bricolage Grotesque", "Zen Kaku Gothic New", sans-serif;
  --sans-jp: "Zen Kaku Gothic New", system-ui, sans-serif;
}

/* ---------- Common Utilities ---------- */
.lime { color: var(--lime); }
.lime-strong {
  color: var(--lime);
  font-weight: 700;
  letter-spacing: -0.01em;
}
.dim { color: var(--text-sub); }
.strike {
  position: relative;
  display: inline-block;
}
.strike::after {
  content: "";
  position: absolute;
  left: -2%;
  right: -2%;
  top: 52%;
  height: 4px;
  background: var(--lime);
  transform: skewY(-3deg);
}

.lime-under {
  color: var(--lime);
  font-weight: 700;
}

/* Section heading shared */
.section-head {
  padding: 0 var(--pad-x);
  max-width: var(--maxw);
  margin: 0 auto clamp(48px, 6vw, 88px);
}
.section-num {
  display: inline-block;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--text-sub);
  margin-bottom: 28px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
.section-num--inv { color: var(--inv-text); border-color: rgba(14,14,16,0.2); }

.section-title {
  font-family: var(--sans-jp);
  font-weight: 900;
  letter-spacing: -0.045em;
  line-height: 1.05;
  font-size: clamp(40px, 5.6vw, 76px);
  display: block;
}
.section-title span { display: block; }

/* ===========================================================
   NAV
   =========================================================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px var(--pad-x);
  z-index: 100;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--text);
  background: linear-gradient(180deg, rgba(14,14,16,0.85) 0%, rgba(14,14,16,0.0) 100%);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.nav__brand { display: flex; align-items: center; gap: 10px; }
.nav__mark {
  color: var(--lime);
  font-size: 14px;
  animation: blink 1.1s steps(2, start) infinite;
}
.nav__meta { display: flex; align-items: center; gap: 10px; color: var(--text-sub); }
.nav__dot { color: var(--line); }

@keyframes blink {
  to { opacity: 0; }
}

/* ===========================================================
   1. HERO
   =========================================================== */
.hero {
  position: relative;
  min-height: 100svh;
  padding: 120px var(--pad-x) 80px;
  display: flex;
  align-items: stretch;
  background:
    radial-gradient(ellipse at 12% 18%, rgba(232,255,58,0.07) 0%, transparent 55%),
    radial-gradient(ellipse at 90% 110%, rgba(232,255,58,0.04) 0%, transparent 60%),
    var(--bg);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(14,14,16,0.94) 0%, rgba(14,14,16,0.82) 42%, rgba(14,14,16,0.45) 100%),
    linear-gradient(0deg, rgba(14,14,16,0.96) 0%, rgba(14,14,16,0.28) 46%, rgba(14,14,16,0.72) 100%);
  pointer-events: none;
}

.hero__image {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center right;
  opacity: 0.92;
  filter: saturate(0.9) contrast(1.08);
}

.hero__grid {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto 1fr auto auto;
  gap: clamp(32px, 4vw, 52px);
  align-content: end;
}

.hero__tagline {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--text-sub);
}
.hero__tag-dot {
  width: 8px; height: 8px;
  background: var(--lime);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--lime);
}

.hero__title {
  font-family: var(--sans-jp);
  font-weight: 900;
  letter-spacing: -0.055em;
  line-height: 0.94;
  font-size: clamp(56px, 10.4vw, 156px);
  margin: 0;
}
.hero__title-row {
  display: block;
  overflow: hidden;
  position: relative;
}
.hero__title-row--a {
  animation: heroReveal 0.55s cubic-bezier(0.7, 0.0, 0.2, 1) 0.05s both;
}
.hero__title-row--b {
  animation: heroReveal 0.55s cubic-bezier(0.7, 0.0, 0.2, 1) 0.18s both;
}
@keyframes heroReveal {
  0%   { clip-path: inset(0 0 100% 0); transform: translateY(8%); }
  60%  { clip-path: inset(0 0 0 0); }
  100% { clip-path: inset(0 0 0 0); transform: translateY(0); }
}

.hero__title-ai {
  display: inline-block;
  position: relative;
  color: var(--bg);
  background: var(--lime);
  padding: 0 0.14em;
  margin: 0 0.02em;
  transform: skew(-6deg);
  box-shadow: 0 0 0 0 var(--lime);
  animation: heroAIPulse 4.4s ease-in-out infinite;
}
.hero__title-ai::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--lime);
  z-index: -1;
}
@keyframes heroAIPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(232,255,58,0.4); }
  50%      { box-shadow: 0 0 36px 0 rgba(232,255,58,0.7); }
}

.hero__title-fun {
  position: relative;
  display: inline-block;
}
.hero__title-fun::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.04em;
  height: 0.16em;
  background: var(--lime);
  transform-origin: left;
  animation: heroUnderline 1.2s cubic-bezier(0.7,0,0.2,1) 0.95s both;
}
@keyframes heroUnderline {
  0%   { transform: scaleX(0); }
  100% { transform: scaleX(1); }
}

.hero__micro {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: baseline;
  font-family: var(--sans-jp);
  letter-spacing: -0.005em;
}
.hero__micro-strong {
  font-size: clamp(18px, 1.8vw, 24px);
  font-weight: 700;
}
.hero__micro-sub {
  font-family: var(--sans-en);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--text-sub);
}

.hero__meta {
  display: grid;
  gap: 14px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  max-width: 760px;
}
.hero__meta-row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.06em;
}
.hero__meta-key {
  color: var(--lime);
  letter-spacing: 0.22em;
  font-weight: 500;
}
.hero__meta-val {
  color: var(--text);
}

.hero__edge {
  position: absolute;
  z-index: 2;
  right: var(--pad-x);
  bottom: 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--text-sub);
}
.hero__edge-arrow {
  font-size: 18px;
  animation: heroArrow 1.6s ease-in-out infinite;
}
@keyframes heroArrow {
  0%, 100% { transform: translateY(0); opacity: 0.5; }
  50%      { transform: translateY(8px); opacity: 1; }
}

/* ===========================================================
   2. CONCEPT (非対称グリッド)
   =========================================================== */
.concept {
  padding: var(--section-pad) 0;
  position: relative;
  background: var(--bg);
}

.concept__visual {
  max-width: var(--maxw);
  width: calc(100% - (var(--pad-x) * 2));
  margin: 0 auto clamp(64px, 8vw, 112px);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-sub);
}
.concept__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(14,14,16,0.15), transparent 42%, rgba(14,14,16,0.24)),
    linear-gradient(0deg, rgba(14,14,16,0.52), transparent 46%);
  pointer-events: none;
}
.concept__visual img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.84) contrast(1.04);
}

.concept__item {
  max-width: var(--maxw);
  margin: 0 auto clamp(48px, 7vw, 88px);
  padding: 0 var(--pad-x);
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
  position: relative;
}

.concept__item + .concept__item {
  padding-top: clamp(40px, 5vw, 64px);
  border-top: 1px solid var(--line);
}

.concept__num {
  grid-column: 1 / span 2;
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.24em;
  color: var(--lime);
  padding-top: 14px;
}

.concept__title {
  font-family: var(--sans-jp);
  font-weight: 900;
  letter-spacing: -0.045em;
  line-height: 1.0;
  font-size: clamp(36px, 5.2vw, 72px);
}

.concept__body {
  font-size: 17px;
  line-height: 1.9;
  color: var(--text);
  max-width: 64ch;
}

/* 非対称：個別配置 */
.concept__item--a .concept__title { grid-column: 3 / span 6; }
.concept__item--a .concept__body  { grid-column: 3 / span 7; margin-top: 24px; }

.concept__item--b .concept__title { grid-column: 5 / span 7; text-align: right; }
.concept__item--b .concept__body  { grid-column: 5 / span 7; margin-top: 24px; text-align: right; }
.concept__item--b .concept__num   { grid-column: 11 / span 2; text-align: right; }

.concept__item--c .concept__title { grid-column: 2 / span 7; }
.concept__item--c .concept__body  { grid-column: 2 / span 8; margin-top: 24px; }

/* ===========================================================
   3. WHY AX (Noise grad, partial)
   =========================================================== */
.whyax {
  position: relative;
  padding: var(--section-pad) var(--pad-x);
  background: #0A0A0C;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.whyax::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(10,10,12,0.98) 0%, rgba(10,10,12,0.91) 42%, rgba(10,10,12,0.52) 100%),
    linear-gradient(0deg, rgba(10,10,12,0.98) 0%, transparent 44%, rgba(10,10,12,0.78) 100%);
  pointer-events: none;
}
.whyax__image {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center right;
  opacity: 0.74;
  filter: saturate(0.88) contrast(1.05);
}
.whyax__noise {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(232,255,58,0.10) 0%, transparent 45%),
    radial-gradient(ellipse at 85% 80%, rgba(232,255,58,0.06) 0%, transparent 50%),
    url("assets/noise.svg");
  background-size: auto, auto, 280px 280px;
  opacity: 0.55;
  mix-blend-mode: screen;
  pointer-events: none;
  filter: contrast(1.05);
}
.whyax__inner {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  z-index: 3;
}

.whyax__title {
  font-family: var(--sans-jp);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1.0;
  font-size: clamp(48px, 8vw, 116px);
  margin-top: 28px;
  margin-bottom: 56px;
}
.whyax__body {
  display: grid;
  gap: 36px;
  max-width: 820px;
  font-size: 18px;
  line-height: 2.0;
  color: var(--text);
}
.whyax__claim {
  padding-top: 28px;
  border-top: 1px solid var(--line);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.7;
  color: var(--text);
}

/* ===========================================================
   4. WHO (色反転)
   =========================================================== */
.who {
  background: var(--inv-bg);
  color: var(--inv-text);
  padding: var(--section-pad) 0;
}
.who .section-title { color: var(--inv-text); }
.who .lime-under {
  background-image: linear-gradient(transparent 62%, var(--lime) 62%, var(--lime) 92%, transparent 92%);
  color: var(--inv-text);
}

.section-head--inv .section-num {
  color: rgba(14,14,16,0.55);
  border-color: rgba(14,14,16,0.18);
}

.who__split {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  gap: clamp(32px, 5vw, 72px);
}

.who__divider {
  background: rgba(14,14,16,0.16);
  width: 1px;
  height: 100%;
  justify-self: center;
}

.who__col {
  display: grid;
  align-content: start;
  gap: 24px;
}

.who__tag {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--inv-text);
  background: var(--lime);
  display: inline-block;
  padding: 6px 12px;
  width: max-content;
  font-weight: 700;
}

.who__title {
  font-family: var(--sans-jp);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.05;
  font-size: clamp(28px, 3.6vw, 44px);
  color: var(--inv-text);
}

.who__list {
  display: grid;
  gap: 16px;
  font-size: 16px;
  line-height: 1.75;
  color: #1F1E18;
}
.who__list li {
  position: relative;
  padding-left: 22px;
}
.who__list li::before {
  content: "\2192";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--inv-text);
  font-weight: 700;
}

.who__close {
  max-width: var(--maxw);
  margin: clamp(56px, 8vw, 96px) auto 0;
  padding: 0 var(--pad-x);
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 500;
  line-height: 1.7;
  color: var(--inv-text);
  text-align: center;
  letter-spacing: -0.005em;
}

/* ===========================================================
   5. EVENT INFO (Terminal)
   =========================================================== */
.event {
  padding: var(--section-pad) 0;
  background: var(--bg);
}

.event__showcase {
  max-width: var(--maxw);
  width: calc(100% - (var(--pad-x) * 2));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 24px;
  align-items: stretch;
}

.event__visual {
  margin: 0;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  min-height: 100%;
  background: var(--bg-sub);
}
.event__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(14,14,16,0.46), transparent 48%),
    linear-gradient(0deg, rgba(14,14,16,0.62), transparent 56%);
  pointer-events: none;
}
.event__visual img {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.88) contrast(1.03);
}

.terminal {
  max-width: 920px;
  margin: 0 auto;
  width: calc(100% - (var(--pad-x) * 2));
  background: #07070A;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow:
    0 30px 80px rgba(0,0,0,0.5),
    0 0 0 1px rgba(232,255,58,0.06);
}
.event__showcase .terminal {
  width: 100%;
  max-width: none;
  margin: 0;
}
.terminal__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: #101015;
  border-bottom: 1px solid var(--line);
}
.terminal__dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  display: inline-block;
}
.terminal__dot--r { background: #FF5F57; }
.terminal__dot--y { background: #FEBC2E; }
.terminal__dot--g { background: #28C840; }
.terminal__bar-label {
  margin-left: 14px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-sub);
  letter-spacing: 0.08em;
}

.terminal__body {
  padding: 28px clamp(20px, 4vw, 40px);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.95;
  color: var(--text);
}
.terminal__body p { margin: 0; }
.terminal__body .prompt {
  color: var(--lime);
  margin-right: 10px;
  font-weight: 700;
}
.terminal__body .flag {
  color: #9C9A93;
}
.terminal__body .out {
  color: var(--text);
  padding-left: 14px;
  padding-bottom: 6px;
}
.terminal__body .out.lime { color: var(--lime); font-weight: 700; }
.cursor {
  display: inline-block;
  color: var(--lime);
  animation: blink 1.1s steps(2, start) infinite;
  margin-left: 4px;
}

/* ===========================================================
   6. REQUIREMENTS
   =========================================================== */
.reqs {
  padding: var(--section-pad) var(--pad-x);
  background: var(--bg);
  border-top: 1px solid var(--line);
}

.reqs__grid {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 24px;
}

.reqs__card {
  background: var(--bg-sub);
  border: 1px solid var(--line);
  padding: clamp(28px, 4vw, 44px);
  display: grid;
  gap: 16px;
  align-content: start;
  position: relative;
  overflow: hidden;
}
.reqs__card--major {
  background: var(--bg);
  border: 2px solid var(--lime);
  box-shadow:
    inset 0 0 0 1px rgba(232,255,58,0.15),
    0 0 60px rgba(232,255,58,0.05);
}

.reqs__num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--text-sub);
}
.reqs__card--major .reqs__num { color: var(--lime); }

.reqs__icon {
  font-family: var(--sans-en);
  font-weight: 700;
  font-size: clamp(56px, 7vw, 96px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--text);
}
.reqs__card--major .reqs__icon { color: var(--lime); }

.reqs__title {
  font-family: var(--sans-jp);
  font-weight: 900;
  font-size: clamp(22px, 2.4vw, 30px);
  letter-spacing: -0.03em;
  line-height: 1.3;
}

.reqs__body {
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}

.reqs__list {
  display: grid;
  gap: 12px;
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}
.reqs__pill {
  display: inline-block;
  padding: 2px 9px;
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  margin-right: 6px;
  color: var(--text-sub);
}
.reqs__pill--reco {
  border-color: var(--lime);
  color: var(--lime);
}
.reqs__pill--ng {
  color: var(--text-sub);
  opacity: 0.7;
}

.reqs__note {
  max-width: var(--maxw);
  margin: clamp(56px, 7vw, 88px) auto 0;
  text-align: center;
  font-size: clamp(17px, 1.9vw, 22px);
  line-height: 1.8;
  color: var(--text);
  padding-top: 40px;
  border-top: 1px solid var(--line);
}

/* ===========================================================
   7. CLOSING
   =========================================================== */
.closing {
  position: relative;
  padding: var(--section-pad) var(--pad-x) 80px;
  background: var(--bg);
  border-top: 1px solid var(--line);
  overflow: hidden;
}

.closing__inner {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  z-index: 1;
}

.closing__title {
  font-family: var(--sans-jp);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1.0;
  font-size: clamp(48px, 9vw, 132px);
  margin-top: 28px;
  margin-bottom: 64px;
}
.closing__title span { display: block; }

.closing__contact {
  display: grid;
  gap: 36px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
  max-width: 880px;
}

.closing__notice {
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.85;
  color: var(--text);
}

.closing__hosts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.closing__host {
  background: var(--bg-sub);
  border: 1px solid var(--line);
  padding: 24px 28px;
  display: grid;
  gap: 6px;
}
.closing__host-role {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--lime);
}
.closing__host-name {
  font-family: var(--sans-jp);
  font-weight: 900;
  font-size: clamp(22px, 2.6vw, 30px);
  letter-spacing: -0.03em;
  margin-top: 4px;
}
.closing__host-aff {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--text-sub);
}

.closing__channel {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--text-sub);
}

.closing__ghost {
  position: absolute;
  bottom: -22%;
  right: -4%;
  font-family: var(--sans-en);
  font-weight: 700;
  font-size: clamp(360px, 60vw, 900px);
  line-height: 0.85;
  letter-spacing: -0.04em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(232,255,58,0.18);
  user-select: none;
  pointer-events: none;
}

/* ===========================================================
   FOOTER
   =========================================================== */
.foot {
  padding: 48px var(--pad-x) 56px;
  border-top: 1px solid var(--line);
  background: #07070A;
  display: grid;
  gap: 18px;
}
.foot__row {
  max-width: var(--maxw);
  margin: 0 auto;
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 24px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--text);
}
.foot__row--small { color: var(--text-sub); font-size: 11px; }
.foot__dim { color: var(--text-sub); }

/* ===========================================================
   RESPONSIVE — Tablet
   =========================================================== */
@media (max-width: 960px) {

  .hero__meta-row {
    grid-template-columns: 120px 1fr;
    gap: 16px;
    font-size: 12px;
  }

  .concept__item--a .concept__title,
  .concept__item--a .concept__body,
  .concept__item--b .concept__title,
  .concept__item--b .concept__body,
  .concept__item--c .concept__title,
  .concept__item--c .concept__body {
    grid-column: 1 / span 12;
    text-align: left;
    margin-top: 12px;
  }
  .concept__item--b .concept__num {
    grid-column: 1 / span 2;
    text-align: left;
  }
  .concept__num {
    grid-column: 1 / span 12;
    padding-top: 0;
    margin-bottom: 4px;
  }

  .who__split {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .who__divider {
    display: none;
  }

  .event__showcase {
    grid-template-columns: 1fr;
  }
  .event__visual img {
    min-height: 340px;
  }

  .reqs__grid {
    grid-template-columns: 1fr;
  }

  .closing__hosts {
    grid-template-columns: 1fr;
  }

}

/* ===========================================================
   RESPONSIVE — Mobile
   =========================================================== */
@media (max-width: 600px) {

  .nav {
    padding: 14px var(--pad-x);
    font-size: 11px;
  }
  .nav__meta { gap: 6px; }

  .hero {
    padding: 100px var(--pad-x) 64px;
    min-height: 100svh;
  }
  .hero::before {
    background:
      linear-gradient(90deg, rgba(14,14,16,0.94) 0%, rgba(14,14,16,0.82) 100%),
      linear-gradient(0deg, rgba(14,14,16,0.98) 0%, rgba(14,14,16,0.48) 44%, rgba(14,14,16,0.76) 100%);
  }
  .hero__image {
    object-position: 62% center;
    opacity: 0.72;
  }
  .hero__title {
    font-size: clamp(48px, 14vw, 76px);
    line-height: 0.98;
    letter-spacing: -0.045em;
  }
  .hero__title-row {
    word-break: keep-all;
    overflow-wrap: normal;
  }
  .hero__title-ai {
    transform: skew(-4deg);
    padding: 0 0.1em;
  }
  .hero__micro { gap: 8px; }
  .hero__micro-strong { font-size: 16px; }
  .hero__micro-sub { font-size: 12px; }
  .hero__meta { gap: 18px; padding-top: 24px; }
  .hero__meta-row {
    grid-template-columns: 1fr;
    gap: 4px;
    font-size: 12px;
  }
  .hero__meta-key { font-size: 10px; letter-spacing: 0.2em; }
  .hero__meta-val { font-size: 13px; }
  .hero__edge { display: none; }

  .section-title {
    font-size: clamp(34px, 9vw, 48px);
  }

  .concept__visual {
    width: calc(100% - 32px);
    margin-bottom: 56px;
  }
  .concept__visual img {
    aspect-ratio: 4 / 3;
  }

  .whyax__image {
    object-position: 62% center;
    opacity: 0.5;
  }
  .whyax__title { font-size: clamp(40px, 11vw, 64px); margin-bottom: 36px; }
  .whyax__body { font-size: 16px; gap: 24px; }
  .whyax__claim { font-size: 18px; }

  .event__showcase {
    width: calc(100% - 32px);
  }
  .event__visual img {
    min-height: 280px;
    aspect-ratio: 4 / 3;
  }

  .closing__title { font-size: clamp(44px, 13vw, 72px); }
  .closing__ghost {
    font-size: 360px;
    bottom: -14%;
    right: -10%;
  }

  .concept__body { font-size: 15px; }
  .reqs__body { font-size: 15px; }

  .terminal__body { font-size: 12.5px; padding: 22px 16px; }

  .foot__row { flex-direction: column; align-items: flex-start; }

}

/* Reduce motion preference */
@media (prefers-reduced-motion: reduce) {
  .hero__title-row--a,
  .hero__title-row--b,
  .hero__title-fun::after,
  .hero__title-ai,
  .hero__edge-arrow,
  .nav__mark,
  .cursor {
    animation: none !important;
  }
}