/* =========================================================
   BASE / RESET
   ========================================================= */

:root {
  --header-height: 160px;
  --footer-height: 80px;
}

html {
  scrollbar-gutter: stable;
  font-size: clamp(16px, 0.95vw + 11px, 22px);
}

body {
  margin: 0;
  font-family: "Century Gothic Regular", Arial, sans-serif;
  line-height: 1.6;
  color: #fff;
  background: #000;

  box-sizing: border-box;
  padding-top: 100px;
  min-height: 100vh;

  display: flex;
  flex-direction: column;
}

*,
*::before,
*::after {
  box-sizing: inherit;
}

/* =========================================================
   HEADER
   ========================================================= */

header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-height);
  z-index: 1000;

  padding: 18px 20px 20px;
  text-align: center;

  background: url("../image/header.png") center top / cover no-repeat;
  filter: brightness(1.08);
}

/* Kill stray pseudo artifacts */
header::before,
header::after,
nav::before,
nav::after {
  content: none !important;
  display: none !important;
}

/* =========================================================
   HEADER CUBE
   ========================================================= */

header .cube {
  display: block;
  position: absolute;
  left: 24px;
  top: 50%;
  transform: translateY(-50%);
  width: 160px;
  height: 160px;
  background: url("../image/cube.png") center / 170% no-repeat;
}

/* =========================================================
   NAVIGATION (SINGLE SOURCE OF TRUTH)
   ========================================================= */

.nav-strip {
  position: absolute;
  top: 12px;
  right: 20px;
  z-index: 1100;
}

.top-nav {
  display: flex;
  gap: 16px;
  padding: 10px 14px;

  font-size: 0.9rem; /* BASE SIZE FOR ALL NAV ITEMS */

  background: linear-gradient(
    to left,
    rgba(0, 0, 0, 0.7),
    rgba(0, 0, 0, 0.4)
  );
  backdrop-filter: blur(3px);
}

.top-nav a {
  color: #fff;
  text-decoration: none;
  opacity: 0.85;
  white-space: nowrap;
  font-weight: 400;
}

.top-nav a:hover {
  opacity: 1;
  text-decoration: underline;
}

/* Active = underline ONLY */
.top-nav a.active {
  opacity: 1;
  text-decoration: underline;
  text-underline-offset: 4px;
  font-weight: 400;
}

/* -------- NAV BRAND LOCKUP -------- */

/* NXT */
.top-nav .brand-nxt {
  letter-spacing: 0.01em;
  font-weight: 400;
  font-size: 1em;
}

/* ASSETS / PORTAL */
.top-nav .brand-sub {
  font-variant: small-caps;
  font-size: 0.78em;       /* ← MATCHES PAGE BRANDING */
  letter-spacing: 0.01em;
}

/* Optional TM */
.top-nav .brand-tm {
  font-size: 0.32em;
  vertical-align: super;
  margin-left: 0.25em;
}

/* =========================================================
   LOGO (HEADER BRAND)
   ========================================================= */

.logo {
  display: inline-block;
  padding: 1.4rem 0;
  line-height: 1;
}

.logo-main {
  font-size: 3.9rem;
  font-weight: 500;
  letter-spacing: 0.10em;
}

.logo-sub {
  margin-top: 0.5rem;
  font-size: 1.25rem;
  font-weight: 300;
  letter-spacing: 0.14em;
  opacity: 0.95;
}

/* =========================================================
   CONTENT AREA
   ========================================================= */

.content {
  flex: 1 0 auto;
  width: 100%;
  padding-top: 48px;
}

.content a {
  color: #fff;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
}

.content a:hover {
  border-bottom-color: rgba(255, 255, 255, 0.85);
}

/* Stage */
.view-stage {
  width: 100%;
}

/* Content column — CONSISTENT ON ALL PAGES */
.page-view {
  width: 100%;
  max-width: 920px;
  min-width: 920px;
  margin-left: 120px;
  margin-right: auto;
  text-align: left;
  display: none;
}

.page-view.active {
  display: block;
}

/* =========================================================
   FEATURE LISTS
   ========================================================= */

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-list li {
  margin-bottom: 0.75rem;
}

.feature-title {
  font-weight: 600;
}

.feature-desc {
  font-size: 0.95em;
  opacity: 0.9;
  display: block;
}

/* =========================================================
   PRODUCT BRAND LOCKUPS (PAGE CONTENT)
   ========================================================= */

.product-brand {
  font-size: 3.2rem;
  font-weight: 400;
  white-space: nowrap;
  margin-bottom: 1.5rem;
}

.brand-nxt,
.brand-sub {
  letter-spacing: 0.01em;
}

.brand-sub {
  font-variant: small-caps;
  font-size: 0.78em;
}

.brand-tm {
  font-size: 0.32em;
  vertical-align: super;
  margin-left: 0.25em;
}

/* =========================================================
   FOOTER
   ========================================================= */

footer {
  padding: 20px 0;
  background: url("../image/footer.png") center top / cover no-repeat;
  display: flex;
  justify-content: center;
  align-items: center;
}

.footer-legal {
  font-size: 1.2rem;
  letter-spacing: 0.04em;
  opacity: 0.85;
  white-space: nowrap;
}

/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 1100px) {
  .page-view {
    min-width: auto;
    max-width: 100%;
    margin-left: 80px;
  }
}

@media (max-width: 768px) {
  .page-view {
    margin-left: 24px;
    margin-right: 24px;
  }

  .nav-strip {
    top: 8px;
    right: 8px;
  }
}

/* =========================================================
   PRINT
   ========================================================= */
@media print {
  body,
  html {
    background: #fff !important;
    color: #000 !important;
  }

  header,
  footer,
  section.content {
    display: none !important;
  }
}


/* =========================================================
   BULLET STYLE FLIP + TIGHTER SPACING
   (temporary — cleanup later)
   ========================================================= */

/* Top-level bullets: SQUARE */
.feature-list {
  list-style-type: square;
  padding-left: 1.25rem;
}

.feature-list > li {
  margin-bottom: 0.35rem; /* tighter spacing */
}

/* Second-level bullets: CIRCLE */
.feature-list li ul {
  list-style-type: circle;
  padding-left: 1.25rem;
  margin-top: 0.25rem;
}

/* Tighten nested spacing */
.feature-list li ul > li {
  margin-bottom: 0.25rem;
}

/* Third level and deeper: no bullets */
.feature-list li ul ul {
  list-style: none;
  padding-left: 0.75rem;
}

.feature-list li ul ul > li {
  margin-bottom: 0.15rem;
}

/* =========================================================
   FEATURE LIST — BULLET RULES (FINAL INTENT)
   Level 1: no bullet
   Level 2: square bullet
   Level 3+: no bullet
   ========================================================= */

/* Base: no bullets anywhere */
.feature-list {
  list-style: none;
  padding-left: 0;
  margin: 0 0 1rem 0;
}

/* Level 1 items (no bullet, tighter spacing) */
.feature-list > li {
  margin-bottom: 0.35rem;
}

/* Level 2: SQUARE bullets */
.feature-list > li > ul {
  list-style-type: square;
  padding-left: 1.25rem;
  margin-top: 0.35rem;
}

.feature-list > li > ul > li {
  margin-bottom: 0.25rem;
}

/* Level 3 and deeper: no bullets */
.feature-list > li > ul > li > ul {
  list-style: none;
  padding-left: 0.75rem;
  margin-top: 0.15rem;
}

.feature-list > li > ul > li > ul > li {
  margin-bottom: 0.15rem;
}