/* =============================================
   Mentron AI — style.css
   Design: Ynora layout × Segmint skin
   Technical Brutalism
   ============================================= */

/* ==================== TOKENS ==================== */
:root {
  --cobalt:       #0252DF;
  --cobalt-deep:  #0140AF;
  --cobalt-light: #81AEFF;
  --grey:         #E6E8EA;
  --ink:          #111111;
  --white:        #FFFFFF;
  --rule:         rgba(17,17,17,0.15);
  --rule-w:       rgba(255,255,255,0.12);
  --green-wa:     #25D366;
  --green-wa-deep:#1EAD52;
  --error:        #FF6B6B;

  --font-display:  'Space Mono', monospace;
  --font-pixel:    'Press Start 2P', monospace;
  --font-tc:       'Noto Sans TC', sans-serif;
  --font-body:     'Inter', sans-serif;
  --font-wordmark: 'Space Grotesk', sans-serif;

  --max-w: 1280px;
  --nav-h: 64px;
}

/* ==================== RESET ==================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; color-scheme: dark; }
section[id] { scroll-margin-top: calc(var(--nav-h) + 8px); }
body {
  font-family: var(--font-body);
  background: var(--ink);
  color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, video { max-width: 100%; display: block; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* ==================== ACCESSIBILITY ==================== */
.skip-link {
  position: absolute; top: -200%; left: 1rem; z-index: 9999;
  padding: 0.5rem 1rem;
  background: var(--cobalt); color: var(--white);
  font-family: var(--font-display); font-weight: 700; font-size: 0.875rem;
  transition: top 120ms ease;
}
.skip-link:focus { top: 1rem; }
*:focus-visible { outline: 2px solid var(--cobalt-light); outline-offset: 3px; }

/* ==================== GRAIN OVERLAY ==================== */
body::after {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none; z-index: 9998; opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px 180px;
}

/* ==================== NAV ==================== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(17,17,17,0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule-w);
  transition: transform 250ms ease;
}
.nav__inner {
  height: 100%; max-width: var(--max-w); margin: 0 auto;
  padding: 0 80px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav__logo {
  font-family: var(--font-display); font-weight: 700;
  font-size: 15px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--white);
  display: flex; align-items: center; gap: 8px;
}
.nav__logo-text, .nav__logo-ai { font-family: var(--font-wordmark); letter-spacing: 0.04em; }
.nav__bracket {
  font-family: var(--font-pixel); font-size: 7px;
  padding: 5px 7px; border: 1px solid rgba(255,255,255,0.3);
  letter-spacing: 0.08em; line-height: 1;
}
.nav__mark {
  height: 36px; width: auto; display: block;
}
.nav__links {
  display: flex; align-items: center; gap: 36px;
  position: absolute; left: 50%; transform: translateX(-50%);
}
.nav__links a {
  font-family: var(--font-display); font-size: 10px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(255,255,255,0.7); transition: color 150ms;
}
.nav__links a:hover { color: var(--white); }
.nav-cta {
  font-family: var(--font-display); font-size: 10px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--white); border: 1.5px solid rgba(255,255,255,0.45);
  padding: 8px 18px;
  display: inline-flex; align-items: center; gap: 8px;
  transition: background-color 150ms, color 150ms, border-color 150ms;
}
.nav-cta:hover { background: var(--cobalt); color: var(--white); border-color: var(--cobalt); }

/* Burger — hidden on desktop */
.nav__burger {
  display: none;
  width: 40px; height: 40px;
  background: none; border: 1.5px solid rgba(255,255,255,0.45);
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
  transition: border-color 150ms;
}
.nav__burger span {
  display: block; width: 16px; height: 2px;
  background: var(--white);
  transition: transform 200ms, opacity 200ms;
}
.nav__burger[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:last-child  { transform: translateY(-3.5px) rotate(-45deg); }

/* ==================== HERO ==================== */
.hero {
  background:
    radial-gradient(ellipse 90% 70% at 68% 42%, rgba(2,82,223,0.12) 0%, transparent 70%),
    linear-gradient(180deg, #161616 0%, #111111 55%, #0A0A0A 100%);
  min-height: 100svh;
  display: flex; flex-direction: column;
  position: relative; overflow: hidden;
  padding-top: var(--nav-h);
}
.hero__lattice {
  position: absolute; inset: 0; z-index: 1;
  width: 100%; height: 100%;
}

/* custom cursor only with a fine pointer and motion allowed */
@media (pointer: fine) and (prefers-reduced-motion: no-preference) {
  .hero { cursor: none; }
  .hero a, .hero button, .hero input, .hero__chat { cursor: auto; }
  .hero a, .hero button { cursor: pointer; }
}
.meta {
  position: absolute; top: 50%; z-index: 10;
  font-family: var(--font-display); font-size: 8px;
  letter-spacing: 0.28em; text-transform: uppercase;
  color: rgba(255,255,255,0.28);
  writing-mode: vertical-rl;
  display: flex; align-items: center; gap: 14px;
}
.meta::before, .meta::after {
  content: ''; display: block; width: 1px; height: 44px;
  background: rgba(255,255,255,0.2);
}
.meta--l { left: 20px; transform: translateY(-50%); }
.meta--r { right: 20px; transform: translateY(-50%) rotate(180deg); }


.hero__grid {
  position: relative; z-index: 3;
  max-width: var(--max-w); width: 100%;
  margin: 0 auto; flex: 1;
  padding: clamp(32px, 6vh, 72px) 80px 32px;
  display: grid; grid-template-columns: 1fr 1.2fr;
  gap: 48px; align-items: center;
}

.hero__content {
  display: flex; flex-direction: column; align-items: flex-start;
  text-align: left;
}

.hero__eyebrow {
  font-family: var(--font-pixel); font-size: 7px;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(255,255,255,0.7); margin-bottom: 24px;
  display: flex; align-items: center; justify-content: flex-start; gap: 12px;
}
.hero__eyebrow::before {
  content: ''; display: block; width: 24px; height: 1px;
  background: rgba(255,255,255,0.35);
}
.hero__h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 4rem); font-weight: 700;
  line-height: 0.95; letter-spacing: -0.025em; text-transform: uppercase;
  color: var(--white); margin-bottom: 20px;
}
.hero__h1 .accent { color: var(--cobalt-light); }
.hero__tc {
  display: block; font-family: var(--font-tc); font-weight: 900;
  font-size: clamp(1.3rem, 2.6vw, 2.2rem);
  letter-spacing: 0.01em; color: rgba(255,255,255,0.85);
  margin-top: 12px; line-height: 1.1;
}
.hero__sub {
  font-family: var(--font-body); font-size: 14px; line-height: 1.65;
  color: rgba(255,255,255,0.78); max-width: 460px;
  margin: 12px 0 40px; text-align: left;
}
.hero__ctas { display: flex; gap: 16px; align-items: center; justify-content: flex-start; }

/* ---- HERO REACTOR PANE ---- */
.hero__pane { position: relative; height: 420px; }

.hero__wires { position: absolute; inset: 0; width: 100%; height: 100%; }
.wire-base  { stroke: rgba(255,255,255,0.22); stroke-width: 1.3; fill: none; }
.wire-pulse {
  stroke: var(--cobalt-light); stroke-width: 1.8; fill: none;
  stroke-dasharray: 18 220;
  animation: wireDash 2.6s linear infinite;
}
.wire-pulse--d1 { animation-delay: 0.85s; }
.wire-pulse--d2 { animation-delay: 1.7s; }
@keyframes wireDash { to { stroke-dashoffset: -238; } }

.hero__chat {
  position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 46%;
  background: rgba(10,14,24,0.78);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 14px; padding: 14px;
  display: flex; flex-direction: column; gap: 9px;
  box-shadow: 0 18px 50px rgba(0,8,30,0.55);
}
.hchat-hdr {
  font-family: var(--font-display); font-size: 9px;
  letter-spacing: 0.12em; color: rgba(255,255,255,0.55);
  display: flex; justify-content: space-between;
  padding-bottom: 8px; border-bottom: 1px solid rgba(255,255,255,0.10);
}
.hchat-live { color: var(--green-wa); }
.hbub {
  max-width: 88%; padding: 9px 12px; border-radius: 11px;
  font-family: var(--font-tc); font-size: 12.5px; line-height: 1.45;
  opacity: 0; animation: hbubIn 0.4s ease forwards;
}
.hbub--user {
  background: rgba(255,255,255,0.12); color: rgba(255,255,255,0.92);
  align-self: flex-start; border-bottom-left-radius: 3px;
}
.hbub--ai {
  background: var(--white); color: var(--cobalt);
  align-self: flex-end; border-bottom-right-radius: 3px;
}
.hbub .hbub-t { display: block; font-size: 9.5px; opacity: 0.55; margin-top: 4px; }
@keyframes hbubIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.hero__core {
  position: absolute; left: 64%; top: 50%; transform: translate(-50%, -50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.core-ring {
  width: 108px; height: 108px; position: relative;
  display: flex; align-items: center; justify-content: center;
}
.core-ring img { width: 44px; height: 44px; }
.core-orbit {
  position: absolute; inset: 0; border-radius: 50%;
  border: 1.5px dashed rgba(129,174,255,0.9);
  animation: coreSpin 10s linear infinite;
}
.core-orbit2 {
  position: absolute; inset: 14px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.20);
}
.core-ripple {
  position: absolute; inset: 0; border-radius: 50%;
  border: 1.5px solid rgba(129,174,255,0.65);
  animation: coreRipple 2.6s ease-out infinite;
}
.core-ripple--2 { animation-delay: 1.3s; }
@keyframes coreSpin { to { transform: rotate(360deg); } }
@keyframes coreRipple {
  0%   { transform: scale(0.72); opacity: 0.9; }
  100% { transform: scale(1.6);  opacity: 0; }
}
.core-label {
  font-family: var(--font-display); font-size: 10px; font-weight: 700;
  letter-spacing: 0.26em; color: rgba(255,255,255,0.65);
}

.hero__outs {
  position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 22px;
}
.hout { display: flex; flex-direction: column; gap: 2px; }
.hout b {
  font-family: var(--font-tc); font-size: 13px; font-weight: 600;
  color: rgba(255,255,255,0.92);
}
.hout-ck { color: var(--green-wa); }
.hout span {
  font-family: var(--font-pixel); font-size: 7px;
  letter-spacing: 0.14em; color: rgba(255,255,255,0.45);
}
.hout-dim {
  font-family: var(--font-tc); font-size: 10px;
  letter-spacing: 0.12em; color: rgba(255,255,255,0.45);
}

.btn-cta {
  font-family: var(--font-display); font-size: 14px; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  background: var(--white); color: var(--cobalt);
  border: 2px solid var(--white);
  padding: 16px 28px;
  display: inline-flex; align-items: center; gap: 10px;
  transition: background-color 150ms, color 150ms, border-color 150ms; touch-action: manipulation;
}
.btn-cta:hover { background: var(--cobalt-deep); color: var(--white); border-color: var(--cobalt-deep); }
.btn-cta .arr { display: inline-block; font-size: 18px; transition: transform 150ms; }
.btn-cta:hover .arr { transform: translate(2px, -2px); }
.hero .btn-cta { background: var(--cobalt); color: var(--white); border-color: var(--cobalt); }
.hero .btn-cta:hover { background: var(--cobalt-deep); border-color: var(--cobalt-deep); }

.btn-ghost-hero {
  font-family: var(--font-display); font-size: 14px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: rgba(255,255,255,0.55); background: none; border: none;
  padding: 16px 0; display: inline-flex; align-items: center; gap: 8px;
  transition: color 150ms;
}
.btn-ghost-hero:hover { color: var(--white); }


.hero__stats {
  max-width: var(--max-w); width: 100%; margin: auto auto 0;
  padding: 20px 80px;
  display: flex; gap: 52px; align-items: center;
  border-top: 1px solid var(--rule-w);
  background: rgba(0,0,0,0.35);
  position: relative; z-index: 3;
}
.hstat { display: flex; flex-direction: column; gap: 3px; }
.hstat__num {
  font-family: var(--font-display); font-size: 22px; font-weight: 700;
  color: var(--white); line-height: 1;
}
.hstat__label {
  font-family: var(--font-pixel); font-size: 8px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(255,255,255,0.6);
}
.hero__partners { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.partner-tag {
  font-family: var(--font-display); font-size: 8px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(255,255,255,0.55); padding: 4px 10px;
  border: 1px solid rgba(255,255,255,0.25);
}

/* ==================== DITHER SEAM ==================== */
.dither { display: flex; height: 48px; overflow: hidden; flex-shrink: 0; }
.dither__col { flex: 1; }

/* ==================== THESIS BAND ==================== */
.thesis {
  background: var(--ink); overflow: hidden;
  padding: 64px 80px;
  display: flex; gap: 32px; align-items: flex-start;
}
.thesis__num {
  font-family: var(--font-pixel); font-size: 8px;
  letter-spacing: 0.15em; color: var(--cobalt);
  white-space: nowrap; margin-top: 10px; flex-shrink: 0;
}
.thesis__body {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4.2vw, 3.8rem); font-weight: 700;
  line-height: 1; letter-spacing: -0.025em; text-transform: uppercase;
  color: var(--white);
}
.thesis__body .accent { color: var(--cobalt-light); }
.thesis__tc {
  display: block; font-family: var(--font-tc); font-weight: 900;
  font-size: clamp(1rem, 2vw, 1.8rem);
  color: rgba(255,255,255,0.55); margin-top: 10px; line-height: 1.3;
}

/* ==================== STATS ROW ==================== */
.stats-row {
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: var(--grey);
  border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink);
}
.sblock {
  padding: 36px 32px; border-right: 1px solid var(--rule);
  display: flex; flex-direction: column; gap: 6px;
}
.sblock:last-child { border-right: none; }
.sblock__num {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3rem); font-weight: 700;
  color: var(--ink); line-height: 1; letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.sblock__unit { font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; color: var(--cobalt); }
.sblock__label {
  font-family: var(--font-display); font-size: 9px;
  letter-spacing: 0.2em; text-transform: uppercase; color: rgba(17,17,17,0.6);
}
.sblock__corner {
  font-family: var(--font-pixel); font-size: 6px;
  letter-spacing: 0.1em; color: rgba(17,17,17,0.2);
  margin-top: auto; padding-top: 10px;
}

/* ==================== SHARED SECTION STYLES ==================== */
.container {
  width: 100%; max-width: var(--max-w);
  margin: 0 auto; padding: 0 80px;
}
.sec-label {
  display: block; font-family: var(--font-pixel); font-size: 7px;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--cobalt); margin-bottom: 12px;
}
.sec-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.8vw, 2.5rem); font-weight: 700;
  text-transform: uppercase; letter-spacing: -0.02em;
  line-height: 1; color: var(--white);
}
.sec-title .tc {
  display: block; font-family: var(--font-tc); font-weight: 900;
  font-size: clamp(0.9rem, 1.6vw, 1.4rem);
  color: rgba(255,255,255,0.55); margin-top: 5px;
}
.sec-title--ink { color: var(--ink); }
.sec-title--ink .tc { color: rgba(17,17,17,0.55); }

/* ==================== PAIN ==================== */
.pain {
  background: var(--ink); padding: 64px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.pain__grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border: 1.5px solid rgba(255,255,255,0.1); margin-top: 36px;
}
.pain__card {
  padding: 36px 28px; border-right: 1px solid rgba(255,255,255,0.1);
  position: relative; overflow: hidden;
  transition: background 200ms;
}
.pain__card::after {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: 2px; background: var(--cobalt);
  transform: scaleY(0); transform-origin: top;
  transition: transform 250ms ease;
}
.pain__card:hover::after { transform: scaleY(1); }
.pain__card:last-child { border-right: none; }
.pain__card:hover { background: rgba(2,82,223,0.12); }
.pain__card::before {
  content: ''; position: absolute; top: 12px; right: 12px;
  width: 9px; height: 9px;
  border-top: 1px solid rgba(255,255,255,0.1);
  border-right: 1px solid rgba(255,255,255,0.1);
  transition: border-color 200ms;
}
.pain__card:hover::before { border-color: rgba(129,174,255,0.5); }
.pain__num {
  font-family: var(--font-display); font-size: 9px;
  letter-spacing: 0.22em; color: var(--cobalt-light); margin-bottom: 20px;
}
.pain__icon {
  width: 28px; height: 28px; margin-bottom: 16px;
  opacity: 0.85; color: var(--cobalt-light);
  transition: opacity 200ms;
}
.pain__card:hover .pain__icon { opacity: 1; }
.pain__title {
  font-family: var(--font-tc); font-weight: 900; font-size: 20px;
  color: var(--white); margin-bottom: 4px; line-height: 1.2;
}
.pain__title-en {
  font-family: var(--font-display); font-size: 9px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: rgba(255,255,255,0.5); margin-bottom: 14px;
}
.pain__desc {
  font-family: var(--font-tc); font-size: 13px; line-height: 1.7;
  color: rgba(255,255,255,0.7);
}
.pain__desc-en {
  font-size: 12px; line-height: 1.6;
  color: rgba(255,255,255,0.45); font-style: italic; margin-top: 6px;
}

/* ==================== SERVICES ==================== */
.services {
  background: var(--ink); padding: 64px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.services__grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1.5px solid rgba(255,255,255,0.1); margin-top: 36px;
}
.svc-card {
  display: block; color: inherit;
  padding: 32px 24px; border-right: 1px solid rgba(255,255,255,0.1);
  position: relative; overflow: hidden;
  transition: background 200ms;
}
.svc-card:last-child { border-right: none; }
.svc-card:hover { background: var(--cobalt); }
.svc-card::before {
  content: ''; position: absolute; top: 12px; right: 12px;
  width: 9px; height: 9px;
  border-top: 1px solid rgba(255,255,255,0.12);
  border-right: 1px solid rgba(255,255,255,0.12);
  transition: border-color 200ms;
}
.svc-card:hover::before { border-color: rgba(255,255,255,0.55); }
.svc-card__num {
  font-family: var(--font-display); font-size: 9px;
  letter-spacing: 0.22em; color: var(--cobalt-light);
  margin-bottom: 22px; transition: color 200ms;
}
.svc-card:hover .svc-card__num { color: rgba(255,255,255,0.75); }
.svc-card__icon {
  width: 28px; height: 28px; margin-bottom: 18px;
  color: var(--cobalt-light);
  opacity: 0.85; transition: opacity 200ms, color 200ms;
}
.svc-card:hover .svc-card__icon { opacity: 1; color: var(--white); }
.svc-card__title {
  font-family: var(--font-display); font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.07em;
  color: var(--white); line-height: 1.2; margin-bottom: 4px;
}
.svc-card__tc {
  font-family: var(--font-tc); font-weight: 900; font-size: 18px;
  color: rgba(255,255,255,0.7); margin-bottom: 14px; line-height: 1.2;
  transition: color 200ms;
}
.svc-card:hover .svc-card__tc { color: rgba(255,255,255,0.9); }
.svc-card__desc {
  font-family: var(--font-body); font-size: 12px; line-height: 1.6;
  color: rgba(255,255,255,0.6); transition: color 200ms;
}
.svc-card:hover .svc-card__desc { color: rgba(255,255,255,0.85); }
.svc-card__arr {
  position: absolute; bottom: 18px; right: 18px;
  font-family: var(--font-display); font-size: 18px;
  color: rgba(129,174,255,0.45);
  transition: color 200ms, transform 200ms;
}
.svc-card:hover .svc-card__arr { color: var(--white); transform: translate(2px, -2px); }

/* ==================== PROCESS ==================== */
.process {
  background: var(--grey); padding: 64px 0;
  border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink);
}
.process__steps {
  display: grid; grid-template-columns: repeat(4, 1fr);
  margin-top: 36px; position: relative; gap: 0;
}
.process__steps::before {
  content: '';
  position: absolute; top: 24px; left: 12.5%; right: 12.5%;
  height: 1px; background: var(--rule);
}
.process__step {
  padding: 0 24px; position: relative;
  border-right: 1px solid var(--rule);
}
.process__step:last-child { border-right: none; }
.process__dot {
  display: block; width: 9px; height: 9px;
  border: 1.5px solid var(--cobalt); background: var(--grey);
  margin: 20px auto 24px;
}
.process__num {
  font-family: var(--font-display); font-size: 9px;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--cobalt); margin-bottom: 12px;
}
.process__step-title {
  font-family: var(--font-tc); font-weight: 900; font-size: 18px;
  color: var(--ink); margin-bottom: 4px; line-height: 1.2;
}
.process__step-sub {
  font-family: var(--font-display); font-size: 9px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--cobalt); margin-bottom: 10px;
}
.process__step-desc {
  font-family: var(--font-tc); font-size: 13px;
  color: rgba(17,17,17,0.7); line-height: 1.7;
}

/* ==================== DEMO CTA ==================== */
.demo-cta {
  background: var(--cobalt); padding: 64px 0;
  position: relative; overflow: hidden;
}
.demo-cta::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
}
.demo-cta__inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center; position: relative; z-index: 1;
}
.demo-cta__label {
  font-family: var(--font-pixel); font-size: 7px;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(255,255,255,0.5); margin-bottom: 14px;
}
.demo-cta__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.5rem); font-weight: 700;
  text-transform: uppercase; letter-spacing: -0.02em;
  line-height: 1; color: var(--white); margin-bottom: 10px;
}
.demo-cta__title .tc {
  display: block; font-family: var(--font-tc); font-weight: 900;
  font-size: clamp(1rem, 1.8vw, 1.5rem);
  color: rgba(255,255,255,0.65); margin-top: 5px;
}
.demo-cta__desc {
  font-family: var(--font-tc); font-size: 14px; line-height: 1.7;
  color: rgba(255,255,255,0.85); margin-bottom: 6px;
}
.demo-cta__desc-en {
  font-size: 12px; color: rgba(255,255,255,0.6);
  font-style: italic; margin-bottom: 32px;
}
.demo-cta__visual {
  border: 1.5px solid rgba(255,255,255,0.25); aspect-ratio: 16/9;
  display: flex; align-items: center; justify-content: center;
  background:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px),
    rgba(0,0,0,0.35);
  background-size: 32px 32px, 32px 32px, auto;
  overflow: hidden; position: relative;
}
.demo-cta__visual::before, .demo-cta__visual::after {
  content: ''; position: absolute; width: 14px; height: 14px;
}
.demo-cta__visual::before {
  top: 10px; left: 10px;
  border-top: 1.5px solid rgba(255,255,255,0.6);
  border-left: 1.5px solid rgba(255,255,255,0.6);
}
.demo-cta__visual::after {
  bottom: 10px; right: 10px;
  border-bottom: 1.5px solid rgba(255,255,255,0.6);
  border-right: 1.5px solid rgba(255,255,255,0.6);
}
.demo-cta__video { width: 100%; height: 100%; object-fit: cover; display: block; }
.demo-cta__play {
  position: absolute; inset: 0; margin: auto;
  width: 68px; height: 68px; border-radius: 50%;
  background: var(--white); color: var(--cobalt);
  border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; padding-left: 4px; z-index: 2;
  box-shadow: 0 6px 24px rgba(0,0,0,0.5);
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.demo-cta__play:hover { transform: scale(1.08); background: var(--cobalt); color: var(--white); }
.demo-cta__duration {
  position: absolute; right: 10px; bottom: 10px; z-index: 2;
  font-family: var(--font-display); font-size: 11px; letter-spacing: 0.05em;
  color: var(--white); background: rgba(0,0,0,0.6); padding: 3px 8px;
}

/* ==================== ABOUT ==================== */
.about {
  background: var(--ink); padding: 64px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.about__inner { display: grid; grid-template-columns: auto 1fr; gap: 48px; align-items: center; }
.about__avatar {
  width: 72px; height: 72px;
  border: 2px solid var(--cobalt);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 28px; font-weight: 700;
  color: var(--cobalt); flex-shrink: 0; position: relative;
}
.about__avatar img { width: 42px; height: auto; display: block; }
.about__avatar::before, .about__avatar::after {
  content: ''; position: absolute; width: 8px; height: 8px;
}
.about__avatar::before {
  top: -4px; left: -4px;
  border-top: 1.5px solid rgba(255,255,255,0.18);
  border-left: 1.5px solid rgba(255,255,255,0.18);
}
.about__avatar::after {
  bottom: -4px; right: -4px;
  border-bottom: 1.5px solid rgba(255,255,255,0.18);
  border-right: 1.5px solid rgba(255,255,255,0.18);
}
.about__name {
  font-family: var(--font-display); font-size: clamp(1.2rem, 2vw, 1.8rem);
  font-weight: 700; text-transform: uppercase; letter-spacing: -0.01em;
  color: var(--white); margin-bottom: 4px;
}
.about__name-en {
  font-family: var(--font-pixel); font-size: 7px;
  letter-spacing: 0.15em; color: var(--cobalt-light); margin-bottom: 16px;
}
.about__bio-tc {
  font-family: var(--font-tc); font-size: 14px; line-height: 1.75;
  color: rgba(255,255,255,0.7); margin-bottom: 4px;
}
.about__bio-en { font-size: 13px; color: rgba(255,255,255,0.5); font-style: italic; margin-bottom: 24px; }
.btn-ghost-link {
  font-family: var(--font-display); font-size: 10px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  display: inline-flex; align-items: center; gap: 8px;
  transition: color 150ms;
}
.btn-ghost-link:hover { color: var(--white); }

/* ==================== AUDIT / FORM ==================== */
.audit {
  background: var(--ink); padding: 72px 0;
  border-top: 2px solid rgba(255,255,255,0.06);
}
.audit__header { margin-bottom: 37px; }
.audit__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.5rem); font-weight: 700;
  text-transform: uppercase; letter-spacing: -0.02em;
  line-height: 1; color: var(--white); margin-bottom: 8px;
}
.audit__title .tc {
  display: block; font-family: var(--font-tc); font-weight: 900;
  font-size: clamp(1rem, 1.8vw, 1.5rem);
  color: rgba(255,255,255,0.55); margin-top: 6px;
}
.audit__sub { font-family: var(--font-body); font-size: 14px; color: rgba(255,255,255,0.65); margin-top: 8px; max-width: 640px; }
.audit__anchor { font-family: var(--font-display); font-size: 13px; letter-spacing: 0.02em; color: rgba(255,255,255,0.7); margin-top: 14px; max-width: 640px; }
.audit__anchor strong { color: var(--cobalt-light); font-weight: 400; }
.audit__trust { display: flex; flex-direction: column; gap: 8px; margin: 0 0 32px; }
.audit__status {
  display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin: 0;
  font-family: var(--font-tc); font-size: 14px;
  color: rgba(255,255,255,0.82);
}
.audit__status .num { font-family: var(--font-display); font-variant-numeric: tabular-nums; }
.audit__status-mark {
  font-family: var(--font-display); font-weight: 700; font-size: 14px; flex: none;
  color: var(--cobalt-light);
}
.trust-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.trust-list li { font-family: var(--font-tc); font-size: 13px; line-height: 1.6; color: rgba(255,255,255,0.78); padding-left: 18px; position: relative; }
.trust-list li::before { content: '+'; position: absolute; left: 0; color: var(--cobalt-light); font-family: var(--font-display); font-weight: 700; }
.audit__reassure { gap: 8px; }
.audit__reassure li { font-size: 14px; color: rgba(255,255,255,0.88); }
.audit__options { display: grid; grid-template-columns: 1fr auto 1fr; gap: 40px; align-items: start; }
.audit__wa-block { display: flex; flex-direction: column; gap: 12px; }
.audit__wa-label {
  font-family: var(--font-pixel); font-size: 7px;
  letter-spacing: 0.15em; text-transform: uppercase; color: rgba(255,255,255,0.5);
}
.btn-wa {
  font-family: var(--font-display); font-size: 14px; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  background: var(--green-wa); color: var(--white);
  border: 2px solid var(--green-wa);
  padding: 16px 24px;
  display: inline-flex; align-items: center; gap: 12px;
  transition: background-color 150ms, border-color 150ms, transform 100ms; width: 100%; touch-action: manipulation;
}
.btn-wa:hover { background: var(--green-wa-deep); border-color: var(--green-wa-deep); }
.btn-wa:active { transform: translateY(1px); }
.audit__divider { display: flex; flex-direction: column; align-items: center; gap: 8px; padding-top: 24px; }
.audit__divider::before, .audit__divider::after {
  content: ''; flex: 1; width: 1px; min-height: 60px; background: rgba(255,255,255,0.1);
}
.audit__divider span { font-family: var(--font-tc); font-size: 12px; color: rgba(255,255,255,0.5); white-space: nowrap; }
.audit__form { display: flex; flex-direction: column; gap: 16px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-label {
  font-family: var(--font-display); font-size: 9px;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: rgba(255,255,255,0.7); font-weight: 700;
}
.form-input {
  width: 100%; padding: 12px 14px;
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.15);
  border-radius: 0; color: var(--white);
  font-family: var(--font-tc), var(--font-body); font-size: 14px;
  -webkit-appearance: none; transition: border-color 150ms, background 150ms;
}
.form-input::placeholder { color: rgba(255,255,255,0.4); }
.form-input:focus { outline: none; }
.form-input:focus-visible { border-color: var(--cobalt); background: rgba(2,82,223,0.1); outline: 2px solid var(--cobalt); outline-offset: 2px; }
.form-select { cursor: pointer; }
.form-select option { background: var(--ink); color: var(--white); }
.form-textarea { resize: vertical; min-height: 80px; }
.form-error { font-family: var(--font-tc); font-size: 13px; color: var(--error); min-height: 20px; }
.btn-submit {
  font-family: var(--font-display); font-size: 12px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  background: var(--cobalt); color: var(--white); border: 2px solid var(--cobalt);
  padding: 16px; width: 100%;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: background-color 150ms, border-color 150ms, opacity 150ms, transform 100ms; touch-action: manipulation;
}
.btn-submit:hover { background: var(--cobalt-deep); border-color: var(--cobalt-deep); }
.btn-submit:active { transform: translateY(1px); }
.btn-submit:disabled { opacity: 0.5; cursor: not-allowed; }

/* ==================== FOOTER ==================== */
.site-footer {
  background: var(--ink); padding: 32px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.footer__inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 80px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  border-top: 1px solid rgba(255,255,255,0.06); padding-top: 32px;
}
.footer__brand { display: flex; flex-direction: column; gap: 6px; }
.footer__logo {
  font-family: var(--font-display); font-size: 13px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--white);
  display: flex; align-items: center; gap: 6px;
}
.footer__mark {
  height: 26px; width: auto; display: block;
}
.footer__tagline {
  font-family: var(--font-tc); font-size: 11px; color: rgba(255,255,255,0.5);
}
.footer__nav { display: flex; align-items: center; gap: 28px; }
.footer__nav a {
  font-family: var(--font-tc), var(--font-display); font-size: 12px;
  color: rgba(255,255,255,0.55); transition: color 150ms;
}
.footer__nav a:hover { color: var(--white); }
.footer__meta {
  font-family: var(--font-pixel); font-size: 6px; letter-spacing: 0.12em;
  text-transform: uppercase; color: rgba(255,255,255,0.35);
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  text-align: right;
}

/* ==================== FLOATING WHATSAPP ==================== */
.whatsapp-float {
  position: fixed; bottom: 24px; right: 24px; z-index: 1000;
  display: flex; align-items: center; gap: 8px;
  padding: 12px 20px;
  background: var(--green-wa); color: var(--white);
  font-family: var(--font-display); font-weight: 700; font-size: 11px;
  letter-spacing: 0.06em; text-transform: uppercase;
  box-shadow: 4px 4px 0 rgba(0,0,0,0.5);
  transition: background-color 150ms, transform 150ms, box-shadow 150ms; touch-action: manipulation;
}
.whatsapp-float:hover {
  background: var(--green-wa-deep);
  transform: translate(-2px, -2px); box-shadow: 6px 6px 0 rgba(0,0,0,0.5);
}

/* ==================== SERVICES DETAIL PAGE ==================== */
.svc-hero {
  background: var(--ink); padding: calc(var(--nav-h) + 56px) 0 40px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.svc-hero__intro {
  font-family: var(--font-tc); font-size: 14px; line-height: 1.75;
  color: rgba(255,255,255,0.7); margin-top: 16px; max-width: 520px;
}

.svc-detail-list { background: var(--ink); }
.svc-detail {
  padding: 72px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  border-left: 2px solid transparent;
  transition: opacity 0.45s ease, filter 0.45s ease, transform 0.45s ease, border-color 0.45s ease;
}
@media (hover: hover) {
  .svc-detail-list:hover .svc-detail:not(:hover) { opacity: 0.25; filter: grayscale(1); }
  .svc-detail:hover { transform: translateX(6px); border-left-color: var(--cobalt); }
}
.svc-detail-list.has-focus .svc-detail:not(.is-focused) { opacity: 0.25; filter: grayscale(1); }
.svc-detail.is-focused { transform: translateX(6px); border-left-color: var(--cobalt); }

.svc-detail__grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: center;
}
.svc-detail--flip .svc-detail__text   { order: 2; }
.svc-detail--flip .svc-detail__visual { order: 1; }

.svc-detail__label {
  display: block; font-family: var(--font-pixel); font-size: 7px;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--cobalt); margin-bottom: 14px;
}
.svc-detail__title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.4vw, 2.1rem); font-weight: 700;
  text-transform: uppercase; letter-spacing: -0.02em;
  line-height: 1; color: var(--white);
}
.svc-detail__tc {
  display: block; font-family: var(--font-tc); font-weight: 900;
  font-size: clamp(1rem, 1.6vw, 1.4rem);
  color: rgba(255,255,255,0.75); margin-top: 6px;
}
.svc-detail__desc {
  font-family: var(--font-tc); font-size: 14px; line-height: 1.75;
  color: rgba(255,255,255,0.75); margin-top: 18px;
}
.svc-detail__desc-en {
  font-family: var(--font-body); font-size: 12px; line-height: 1.6;
  color: rgba(255,255,255,0.5); font-style: italic; margin-top: 6px;
}
.svc-detail__deliv-label {
  font-family: var(--font-pixel); font-size: 7px;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--cobalt-light); margin: 26px 0 12px;
}
.svc-detail__deliv { display: flex; flex-direction: column; gap: 9px; }
.svc-detail__deliv li {
  font-family: var(--font-tc); font-size: 13px; line-height: 1.6;
  color: rgba(255,255,255,0.78); padding-left: 18px; position: relative;
}
.svc-detail__deliv li::before {
  content: '+'; position: absolute; left: 0;
  color: var(--cobalt-light); font-family: var(--font-display); font-weight: 700;
}
.svc-detail__cta { margin-top: 30px; }
.svc-cta-price { display: block; margin-top: 12px; font-family: var(--font-display); font-size: 12px; letter-spacing: 0.04em; color: rgba(255,255,255,0.55); }

/* Proof frame — same corner-bracket idiom as .demo-cta__visual */
.proof-frame {
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(0,0,0,0.35);
  position: relative; overflow: hidden;
}
.proof-frame::before, .proof-frame::after {
  content: ''; position: absolute; width: 14px; height: 14px; z-index: 2;
}
.proof-frame::before {
  top: 10px; left: 10px;
  border-top: 1.5px solid rgba(255,255,255,0.6);
  border-left: 1.5px solid rgba(255,255,255,0.6);
}
.proof-frame::after {
  bottom: 10px; right: 10px;
  border-bottom: 1.5px solid rgba(255,255,255,0.6);
  border-right: 1.5px solid rgba(255,255,255,0.6);
}
.proof-frame__tag {
  position: absolute; top: 12px; right: 14px; z-index: 2;
  font-family: var(--font-pixel); font-size: 6px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}
.proof-frame img { width: 100%; height: auto; display: block; }

/* In-brand mock: automation pipeline */
.mock-pipe {
  padding: 36px 32px; display: flex; flex-direction: column; gap: 10px;
}
.mock-pipe__row {
  border: 1px solid rgba(255,255,255,0.15); padding: 12px 16px;
  display: flex; gap: 14px; align-items: center;
  font-family: var(--font-tc); font-size: 13px; color: rgba(255,255,255,0.8);
}
.mock-pipe__row--hot { border-color: var(--cobalt); background: rgba(2,82,223,0.15); }
.mock-pipe__tag {
  font-family: var(--font-display); font-size: 9px; font-weight: 700;
  letter-spacing: 0.15em; color: var(--cobalt-light); white-space: nowrap;
}
.mock-pipe__arr {
  text-align: center; color: var(--cobalt-light);
  font-family: var(--font-display); font-size: 14px; line-height: 1;
}

/* In-brand mock: lead table */
.mock-table { padding: 32px 28px; }
.mock-table__head, .mock-table__row {
  display: grid; grid-template-columns: 2fr 1.2fr 0.8fr; gap: 10px;
  padding: 10px 6px; border-bottom: 1px solid rgba(255,255,255,0.1);
}
.mock-table__head {
  font-family: var(--font-display); font-size: 8px; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase; color: var(--cobalt-light);
}
.mock-table__row { font-family: var(--font-tc); font-size: 12px; color: rgba(255,255,255,0.75); }
.mock-table__row .ok { color: var(--cobalt-light); font-family: var(--font-display); }

/* ==================== ABOUT DOSSIER ==================== */
.dossier {
  background: var(--ink);
  padding: calc(var(--nav-h) + 56px) 0 72px;
}
.dossier__grid {
  display: grid; grid-template-columns: 380px 1fr;
  gap: 64px; align-items: start; margin-top: 40px;
}

.id-card {
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.02);
  padding: 28px; position: relative;
}
.id-card::before, .id-card::after {
  content: ''; position: absolute; width: 14px; height: 14px;
}
.id-card::before {
  top: -1px; left: -1px;
  border-top: 1.5px solid rgba(255,255,255,0.6);
  border-left: 1.5px solid rgba(255,255,255,0.6);
}
.id-card::after {
  bottom: -1px; right: -1px;
  border-bottom: 1.5px solid rgba(255,255,255,0.6);
  border-right: 1.5px solid rgba(255,255,255,0.6);
}
.id-card__tag {
  font-family: var(--font-pixel); font-size: 6px;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: rgba(255,255,255,0.45); margin-bottom: 16px; display: block;
}
.id-card__photo {
  border: 1px solid rgba(255,255,255,0.15);
  margin-bottom: 22px; overflow: hidden;
}
.id-card__photo img { width: 100%; height: auto; display: block; }
.id-card__name {
  font-family: var(--font-display); font-size: 24px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.02em; color: var(--white);
}
.id-card__role {
  font-family: var(--font-tc); font-weight: 900; font-size: 14px;
  color: var(--cobalt-light); margin-top: 4px;
}
.id-card__specs { margin-top: 20px; border-top: 1px solid rgba(255,255,255,0.12); }
.id-spec {
  display: grid; grid-template-columns: 92px 1fr; gap: 12px;
  padding: 11px 0; border-bottom: 1px solid rgba(255,255,255,0.08);
  align-items: baseline;
}
.id-spec__k {
  font-family: var(--font-display); font-size: 9px; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--cobalt-light);
}
.id-spec__v { font-family: var(--font-tc); font-size: 13px; line-height: 1.5; color: rgba(255,255,255,0.82); }
.id-spec--stack { align-items: start; }
.id-stack { display: flex; flex-wrap: wrap; gap: 6px; }
.id-chip {
  font-family: var(--font-display); font-size: 9px;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  border: 1px solid rgba(255,255,255,0.18);
  padding: 4px 8px; white-space: nowrap;
}
.id-chip--ai { color: var(--cobalt-light); border-color: var(--cobalt); }
.id-card__cta { margin-top: 24px; }

.manifesto__label {
  display: block; font-family: var(--font-pixel); font-size: 7px;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--cobalt); margin-bottom: 8px;
}
.manifesto__item { padding: 26px 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
.manifesto__item:last-child { border-bottom: none; }
.manifesto__num {
  font-family: var(--font-display); font-size: 9px;
  letter-spacing: 0.22em; color: var(--cobalt-light); margin-bottom: 10px;
}
.manifesto__title {
  font-family: var(--font-tc); font-weight: 900; font-size: 20px;
  line-height: 1.3; color: var(--white);
}
.manifesto__en {
  font-family: var(--font-display); font-size: 10px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: rgba(255,255,255,0.5); margin-top: 8px;
}

.exhibits-drawer { border-top: 1px solid rgba(255,255,255,0.1); margin-top: 64px; padding-top: 44px; }
.exhibits-drawer__bar {
  font-family: var(--font-display); font-size: 10px;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--cobalt); cursor: pointer;
  list-style: none;
  display: flex; justify-content: space-between; align-items: center;
  padding: 4px 0;
}
.exhibits-drawer__bar::-webkit-details-marker { display: none; }
.exhibits-drawer__bar::after { content: '+'; color: rgba(255,255,255,0.4); font-size: 14px; }
.exhibits-drawer[open] .exhibits-drawer__bar::after { content: '−'; }
.exhibits__grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  border: 1.5px solid rgba(255,255,255,0.1); margin-top: 24px;
}
.exhibit {
  padding: 26px 22px; border-right: 1px solid rgba(255,255,255,0.1);
  position: relative;
}
.exhibit:nth-child(even) { border-right: none; }
.exhibit:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,0.1); }
.exhibit__tag {
  font-family: var(--font-pixel); font-size: 6px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--cobalt); display: block; margin-bottom: 12px;
}
.exhibit__claim {
  font-family: var(--font-tc); font-size: 13px; line-height: 1.7;
  color: rgba(255,255,255,0.78);
}
.exhibit__meta {
  font-family: var(--font-display); font-size: 9px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: rgba(255,255,255,0.45); margin-top: 10px;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
  .container, .nav__inner, .footer__inner { padding-left: 40px; padding-right: 40px; }
  .hero__stats { padding: 20px 40px; }
  .thesis { padding: 56px 40px; }

  .hero__grid { padding: 24px 40px; gap: 28px; }
  .hero__content { padding-top: 0; }
  .meta { display: none; }

  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .sblock:nth-child(2) { border-right: none; }
  .sblock:nth-child(3) { border-top: 1px solid var(--rule); }

  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .svc-card:nth-child(2) { border-right: none; }
  .svc-card:nth-child(3) { border-top: 1px solid rgba(255,255,255,0.1); border-right: 1px solid rgba(255,255,255,0.1); }
  .svc-card:last-child { border-right: none; border-top: 1px solid rgba(255,255,255,0.1); }

  .process__steps { grid-template-columns: repeat(2, 1fr); }
  .process__steps::before { display: none; }
  .process__step { border-right: none; padding: 24px 0; border-bottom: 1px solid var(--rule); }
  .process__step:nth-child(even) { padding-left: 24px; border-left: 1px solid var(--rule); }

  .demo-cta__inner { grid-template-columns: 1fr; gap: 32px; }
  .svc-detail__grid { gap: 40px; }
  .dossier__grid { grid-template-columns: 1fr; gap: 40px; }
  .id-card { max-width: 420px; }
  .audit__options { grid-template-columns: 1fr; gap: 24px; }
  .audit__divider { flex-direction: row; padding-top: 0; }
  .audit__divider::before, .audit__divider::after { width: auto; height: 1px; min-height: auto; flex: 1; }

  .footer__inner { flex-wrap: wrap; gap: 16px; }
}

@media (max-width: 768px) {
  .container, .nav__inner, .footer__inner { padding-left: 20px; padding-right: 20px; }
  .hero__split { padding: 0 20px; }
  .hero__grid { grid-template-columns: 1fr; padding: 24px 20px; gap: 24px; }
  .hero__content { align-items: center; text-align: center; }
  .hero__eyebrow { justify-content: center; }
  .hero__sub { text-align: center; margin: 12px auto 32px; }
  .hero__ctas { justify-content: center; }
  .hero__pane { height: auto; }
  .hero__wires, .hero__core, .hero__outs { display: none; }
  .hero__chat { position: static; transform: none; width: 100%; max-width: 420px; margin: 0 auto; }
  .hero__stats { padding: 20px; flex-wrap: wrap; gap: 24px; }
  .hero__partners { margin-left: 0; }
  .thesis { padding: 48px 20px; }
  .thesis__body { font-size: 1.5rem; }

  .nav__burger { display: flex; }
  .nav-cta { display: none; }
  .nav__links {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    transform: none;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: rgba(17,17,17,0.98);
    border-bottom: 1px solid var(--rule-w);
    padding: 8px 0;
    display: none;
  }
  .nav--open .nav__links { display: flex; }
  .nav__links li { width: 100%; }
  .nav__links a {
    display: block; width: 100%;
    padding: 16px 20px; font-size: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .nav__links li:last-child a { border-bottom: none; }

  .pain__grid { grid-template-columns: 1fr; }
  .pain__card { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.1); }
  .pain__card:last-child { border-bottom: none; }

  .services__grid { grid-template-columns: 1fr; }
  .svc-card { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.1); }
  .svc-card:last-child { border-bottom: none; }

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

  .about__inner { grid-template-columns: 1fr; gap: 24px; }
  .svc-detail { padding: 48px 0; }
  .svc-detail__grid { grid-template-columns: 1fr; gap: 28px; }
  .svc-detail--flip .svc-detail__text   { order: 1; }
  .svc-detail--flip .svc-detail__visual { order: 2; }
  .exhibits__grid { grid-template-columns: 1fr; }
  .exhibit { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.1); }
  .exhibit:last-child { border-bottom: none; }
  .exhibit:nth-child(3), .exhibit:nth-child(4) { border-top: none; }

  .footer__inner { flex-direction: column; align-items: flex-start; }
  .footer__meta { flex-wrap: wrap; }

  .whatsapp-float span { display: none; }
  .whatsapp-float { padding: 14px; }
}

/* ==================== REDUCED MOTION ==================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .wire-pulse { display: none; }
  .core-orbit, .core-ripple { animation: none; }
  .core-ripple { display: none; }
  .hbub { opacity: 1; animation: none; }
  .svc-card, .pain__card, .btn-cta, .btn-ghost-hero,
  .btn-wa, .btn-submit, .whatsapp-float, .nav,
  .nav-cta, .footer__nav a, .btn-ghost-link, .form-input { transition: none; }
  .btn-wa:active, .btn-submit:active { transform: none; }
  .demo-cta__play { transition: none; }
  .pain__card::after { transition: none; }
  .svc-detail { transition: none; }
  .svc-detail-list:hover .svc-detail:not(:hover),
  .svc-detail-list.has-focus .svc-detail:not(.is-focused) { opacity: 1; filter: none; }
  .svc-detail:hover, .svc-detail.is-focused { transform: none; border-left-color: transparent; }
}

/* ==================== PAGE-SPECIFIC ==================== */
.contact-stack { display: flex; flex-direction: column; gap: 1.5rem; max-width: 440px; }

.legal {
  font-family: var(--font-tc);
  color: rgba(255,255,255,0.55);
  line-height: 1.9; font-size: 0.9375rem;
}
.legal h2 {
  font-size: 1.125rem; color: var(--white);
  margin: 1.5rem 0 0.75rem; font-family: var(--font-display);
}
.legal p { margin-bottom: 1rem; }
.legal a { color: var(--cobalt-light); }
.legal__cap { font-size: 0.8rem; opacity: 0.55; margin-top: 2rem; }

/* ==================== SECTOR DEMO (demo.html) ==================== */
.sector-demo { padding: calc(var(--nav-h) + 3.5rem) 0 5rem; }
.sd-head { text-align: center; margin-bottom: 2.2rem; }
.sd-sub { font-family: var(--font-tc); color: rgba(255,255,255,0.55); max-width: 48ch; margin: 1.2rem auto 0; font-size: 0.95rem; line-height: 1.7; }
.sd-pick { font-family: var(--font-display); font-size: 10px; letter-spacing: .16em; color: rgba(255,255,255,0.4); text-align: center; margin-bottom: .8rem; }
.sd-chips { display: flex; flex-wrap: wrap; gap: .55rem; justify-content: center; margin-bottom: 1.4rem; }
.sd-chip { font-family: var(--font-tc); font-weight: 700; font-size: .9rem; padding: .5rem 1.05rem; border: 1px solid rgba(255,255,255,0.22); border-radius: 999px; background: transparent; color: rgba(255,255,255,0.75); cursor: pointer; transition: border-color .15s, background .15s, color .15s; }
.sd-chip:hover { border-color: var(--cobalt-light); color: var(--white); }
.sd-chip--active { background: var(--cobalt); border-color: var(--cobalt); color: var(--white); }
.sd-example { text-align: center; font-family: var(--font-tc); font-size: .78rem; color: rgba(255,255,255,0.42); margin: 0 0 1rem; }
.sd-thread { max-width: 560px; margin: 0 auto; background: #0b141a; border: 1px solid rgba(255,255,255,0.1); border-radius: 12px; padding: 1.3rem 1.1rem 1.5rem; min-height: 300px; }
.sd-thread__top { display: flex; align-items: center; gap: .6rem; padding-bottom: .9rem; margin-bottom: 1rem; border-bottom: 1px solid rgba(255,255,255,0.07); }
.sd-thread__av { width: 34px; height: 34px; border-radius: 50%; background: var(--cobalt); display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-size: 11px; color: var(--white); flex: none; }
.sd-thread__name { font-family: var(--font-tc); font-weight: 700; font-size: .9rem; }
.sd-thread__status { font-family: var(--font-display); font-size: 10px; color: #25D366; }
.sd-bub { max-width: 80%; padding: .6rem .85rem; border-radius: 11px; margin-bottom: .65rem; font-family: var(--font-tc); font-size: .92rem; line-height: 1.5; }
.sd-bub--in { background: #1f2c33; color: #e9edef; border-top-left-radius: 3px; margin-right: auto; }
.sd-bub--out { background: #005c4b; color: #e9edef; border-top-right-radius: 3px; margin-left: auto; }
.sd-bub__t { display: block; font-family: var(--font-display); font-size: 9px; color: rgba(255,255,255,0.45); text-align: right; margin-top: .25rem; }
.sd-anim { opacity: 0; transform: translateY(6px); animation: sdRise .35s forwards; }
@keyframes sdRise { to { opacity: 1; transform: none; } }
.sd-case { max-width: 560px; margin: 2.4rem auto 0; border: 1px solid rgba(255,255,255,0.13); border-radius: 10px; overflow: hidden; }
.sd-case__tag { font-family: var(--font-display); font-size: 10px; letter-spacing: .14em; color: var(--cobalt-light); padding: .85rem 1.1rem .2rem; }
.sd-case__title { font-family: var(--font-tc); font-weight: 700; font-size: .98rem; padding: 0 1.1rem; margin: .1rem 0 .25rem; color: var(--white); }
.sd-case__note { font-family: var(--font-tc); font-size: .78rem; color: rgba(255,255,255,0.5); padding: 0 1.1rem .9rem; margin: 0; }
.sd-case__video { width: 100%; aspect-ratio: 16/9; display: block; background: #000; }
.sd-cta { text-align: center; margin-top: 2.4rem; }
.sd-status { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
@media (prefers-reduced-motion: reduce) { .sd-anim { animation: none; opacity: 1; transform: none; } }