/* Web Kai — layout grid, HUD whitespace, color/type hierarchy (loads last) */

:root {
  --bg-main: #020b0a;
  --bg-deep: #000807;
  --panel-bg: rgba(3, 18, 17, 0.72);
  --text-main: #e8fff9;
  --text-body: rgba(225, 248, 242, 0.82);
  --text-muted: rgba(175, 225, 215, 0.52);
  --text-caption: rgba(140, 200, 190, 0.4);
  --accent: #22f5d0;
  --accent-soft: rgba(34, 245, 208, 0.35);
  --accent-deep: #0aa894;
  --border-soft: rgba(34, 245, 208, 0.22);
  --glow-soft: 0 0 24px rgba(34, 245, 208, 0.16);

  --layout-max: 1160px;
  --layout-pad-x: clamp(28px, 5vw, 80px);
  --layout-card-max: 580px;
  --layout-contact-max: 840px;
  --layout-header-gap: 28px;
  --layout-rail-w: minmax(220px, 1fr);

  --section-max: var(--layout-max);
  --section-pad-x: var(--layout-pad-x);
  /* Fixed bottom dock: offset from viewport bottom + UI height + buffer */
  --scroll-dock-h: 138px;
  --scroll-dock-offset: max(clamp(48px, 7vh, 88px), calc(env(safe-area-inset-bottom, 0px) + 28px));
  --scroll-dock-reserve: calc(var(--scroll-dock-offset) + var(--scroll-dock-h) + 24px);
  --scroll-cue-h: var(--scroll-dock-reserve);

  --cy-bg-0: var(--bg-main);
  --cy-bg-1: #041210;
  --cy-bg-2: #061816;
  --cy-ink: var(--text-main);
  --cy-ink-soft: var(--text-body);
  --cy-ink-muted: var(--text-muted);
  --text-strong: var(--text-main);
  --text-muted: var(--text-muted);
  --cy-neon-cyan: var(--accent);
  --cy-label: rgba(34, 245, 208, 0.72);
  --cy-label-glow: rgba(34, 245, 208, 0.14);
  --cy-glass-border: rgba(34, 245, 208, 0.14);
  --cy-glass-highlight: rgba(34, 245, 208, 0.07);
  --cy-glow: rgba(34, 245, 208, 0.2);
  --cy-glass: var(--panel-bg);
  --font-tech: "Space Mono", "JetBrains Mono", "IBM Plex Mono", "DM Mono", "Consolas", monospace;
  --font-mono: var(--font-tech);
}

body {
  background: var(--bg-deep);
  color: var(--text-body);
}

body::before {
  background:
    radial-gradient(ellipse 90% 55% at 50% 108%, rgba(10, 48, 42, 0.5), transparent 62%),
    radial-gradient(ellipse 48% 38% at 88% 18%, rgba(34, 245, 208, 0.07), transparent 58%),
    radial-gradient(ellipse 42% 32% at 8% 72%, rgba(10, 168, 148, 0.06), transparent 55%),
    linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-main) 42%, #031412 100%) !important;
}

/* --- 1. Unified section shell -------------------------------------------- */

.section {
  box-sizing: border-box;
  display: flex !important;
  flex-direction: column !important;
  justify-content: center !important;
  align-items: stretch !important;
  padding-top: calc(var(--header-h) + var(--layout-header-gap)) !important;
  padding-bottom: var(--scroll-dock-reserve) !important;
  min-height: 100svh !important;
  min-height: 100dvh !important;
}

.section-inner {
  flex: 0 1 auto;
  width: 100%;
  max-width: var(--layout-max) !important;
  max-height: calc(
    100dvh - var(--header-h) - var(--layout-header-gap) - var(--scroll-dock-reserve) - 12px
  );
  margin-left: auto !important;
  margin-right: auto !important;
  padding-left: var(--layout-pad-x) !important;
  padding-right: var(--layout-pad-x) !important;
  box-sizing: border-box;
  overflow-x: clip;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(34, 245, 208, 0.2) transparent;
}

.section-inner::-webkit-scrollbar {
  width: 4px;
}

.section-inner::-webkit-scrollbar-thumb {
  background: rgba(34, 245, 208, 0.18);
  border-radius: 4px;
}

/* Hero — 3-column: brand | copy | HUD visual */
.section--hero .section-inner--hero {
  max-width: var(--layout-max) !important;
  overflow: visible;
}

.section--hero .section-split--hero {
  display: grid !important;
  width: 100%;
  grid-template-columns: 188px minmax(0, 1fr) var(--layout-rail-w) !important;
  gap: clamp(28px, 4vw, 56px) !important;
  align-items: center !important;
}

.section--hero .hero-side {
  grid-column: 1;
  align-self: center;
}

.section--hero .hero-main {
  grid-column: 2;
  max-width: none !important;
  width: 100%;
}

.section--hero .hero-visual {
  grid-column: 3;
  align-self: stretch;
  min-height: min(58vh, 480px) !important;
}

/* Service intro — content card + right HUD rail */
.section--service-intro .section-inner {
  display: block !important;
}

.section--service-intro .section-split--intro {
  display: grid !important;
  width: 100%;
  grid-template-columns: minmax(0, var(--layout-card-max)) var(--layout-rail-w) !important;
  gap: clamp(32px, 5vw, 64px) !important;
  align-items: center !important;
}

.section--service-intro .intro-copy {
  grid-column: 1;
  width: 100% !important;
  max-width: var(--layout-card-max) !important;
  margin: 0 !important;
  padding: clamp(22px, 3vw, 30px) clamp(20px, 3vw, 32px) clamp(14px, 2.2vw, 20px) !important;
  transform: translateY(-5px);
}

.section--service-intro .section-label {
  margin-bottom: 8px !important;
}

.section--service-intro .section-title {
  margin-bottom: clamp(10px, 1.4vh, 14px) !important;
}

.section--service-intro .section-body {
  margin-bottom: clamp(12px, 1.8vh, 16px) !important;
}

.section--service-intro .service-menu {
  margin-top: clamp(12px, 1.8vh, 18px) !important;
  margin-bottom: 0;
}

.section--service-intro .service-menu__link {
  align-items: center;
  padding: 10px 16px 8px !important;
}

.section--service-intro .service-menu__num,
.section--service-intro .service-menu__title,
.section--service-intro .service-menu__arrow {
  transform: translateY(-1px);
}

.section--service-intro .service-menu__title {
  line-height: 1.42 !important;
}

.section--service-intro .section-visual--intro {
  grid-column: 2;
  min-height: min(50vh, 440px) !important;
  opacity: 1 !important;
}

/* Service detail — left-aligned card + right atmosphere */
.section--service .section-inner {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  width: 100% !important;
  max-width: var(--layout-max) !important;
  margin-left: auto !important;
  margin-right: auto !important;
  min-height: calc(100svh - var(--header-h) - var(--scroll-dock-reserve) - 20px) !important;
  max-height: none;
  padding-top: 4px !important;
  padding-bottom: 12px !important;
}

.section--service .section-content--service.cyber-panel {
  width: 100% !important;
  max-width: min(760px, 94vw) !important;
  margin: 0 auto !important;
  background: var(--panel-bg) !important;
  border-color: var(--cy-glass-border) !important;
}

.section--service .giant-number {
  font-family: var(--font-mono) !important;
  font-weight: 300 !important;
  letter-spacing: -0.02em;
  right: clamp(4%, 6vw, 10%) !important;
  bottom: clamp(14%, 18vh, 24%) !important;
  opacity: 0.055 !important;
  color: var(--accent) !important;
  -webkit-text-fill-color: transparent;
  background: linear-gradient(
    180deg,
    rgba(34, 245, 208, 0.14) 0%,
    rgba(34, 245, 208, 0.04) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
}

/* Contact — same left rail as intro; panel can be wider for 2-col */
.section--contact .section-inner--contact {
  display: flex !important;
  flex-direction: column !important;
  justify-content: flex-start !important;
  align-items: flex-start !important;
  width: 100% !important;
  max-width: var(--layout-max) !important;
  max-height: none !important;
  overflow: visible !important;
  min-height: 0 !important;
  padding-top: clamp(12px, 2vh, 20px) !important;
  padding-bottom: clamp(12px, 2vh, 20px) !important;
}

.section--contact .contact-stack--flow {
  width: 100% !important;
  max-width: var(--layout-card-max) !important;
  margin: 0 !important;
  transform: none !important;
}

.section--contact .contact-panel {
  width: 100%;
  background: var(--panel-bg) !important;
}

.section--contact {
  padding-top: calc(var(--header-h) + var(--layout-header-gap)) !important;
  padding-bottom: calc(var(--scroll-dock-reserve) + clamp(32px, 5vh, 56px)) !important;
  scroll-margin-bottom: calc(var(--scroll-dock-reserve) + 24px);
}

/* Shared content column rules */
.section-content {
  max-width: var(--layout-card-max);
}

.section-title {
  padding-left: 18px;
  margin-bottom: clamp(12px, 2vh, 18px);
}

.section-label {
  margin-bottom: 10px;
}

/* --- 2. HUD / meaningful whitespace (right & void areas) ----------------- */

.section-deco {
  z-index: 1;
  inset: 0;
}

.section-deco--hero::before,
.section-deco--hero::after,
.section-deco--intro::before,
.section-deco--intro::after,
.section-deco--beam::before,
.section-deco--beam::after,
.section--service-01 .section-deco--beam::after,
.section--service-02 .section-deco--beam::after,
.section--service-03 .section-deco--beam::after {
  display: none !important;
  content: none !important;
}

.section-visual--intro::before,
.section-visual--contact::before {
  display: none !important;
  content: none !important;
}

.section-visual--intro::after,
.section-visual--contact::after {
  display: none !important;
  content: none !important;
}

/* Contact HUD — see webkai-contact-fix.css (off card) */

.bg-world::after {
  display: none !important;
  content: none !important;
}

.bg-beam::before {
  border-color: rgba(34, 245, 208, 0.08) !important;
  opacity: 0.5 !important;
}

/* --- 3. Typography hierarchy --------------------------------------------- */

.section-title,
.catchcopy,
.hero-main .catchcopy {
  color: var(--text-main) !important;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.35) !important;
}

.hero-main .catchcopy,
.section--hero .catchcopy {
  font-size: clamp(1.72rem, 3.35vw, 2.72rem) !important;
  line-height: 1.28 !important;
  letter-spacing: 0.035em !important;
}

.section-title-text,
.mask-title .section-title-text {
  font-size: clamp(1.32rem, 2.6vw, 1.68rem) !important;
  line-height: 1.36 !important;
  letter-spacing: 0.04em !important;
}

.business-text,
.section-body,
.hero-lead p {
  color: var(--text-body) !important;
  line-height: 1.84 !important;
  letter-spacing: 0.012em;
  text-shadow: none !important;
}

.section-lead {
  color: var(--text-muted) !important;
}

.ui-label,
.section-label,
.scroll-dock__hint {
  font-family: var(--font-tech) !important;
  font-weight: 300 !important;
  font-size: clamp(0.52rem, 1.1vw, 0.58rem) !important;
  letter-spacing: 0.42em !important;
  text-transform: uppercase;
  color: var(--cy-label) !important;
  text-shadow: 0 0 8px var(--cy-label-glow) !important;
}

.site-nav a {
  font-family: var(--font-tech) !important;
  font-weight: 300 !important;
  font-size: 0.68rem !important;
  letter-spacing: 0.28em !important;
  text-transform: uppercase;
  color: var(--text-muted) !important;
  text-shadow: none !important;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--accent) !important;
  text-shadow: var(--glow-soft) !important;
}

.service-menu__num,
.section-service-num,
.section-indicator__count,
.panel-indicator__count {
  font-family: var(--font-mono) !important;
  font-weight: 400 !important;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.16em !important;
  color: rgba(34, 245, 208, 0.68) !important;
}

.service-menu__title {
  color: var(--text-main) !important;
}

.service-menu__arrow {
  color: var(--accent-soft) !important;
}

/* Cards */
.section--service-intro .intro-copy,
.section--service .section-content--service.cyber-panel,
.section--contact .contact-panel {
  border: 1px solid var(--border-soft) !important;
  box-shadow:
    0 18px 44px rgba(0, 0, 0, 0.38),
    var(--glow-soft),
    inset 0 1px 0 var(--cy-glass-highlight) !important;
}

@media (hover: hover) {
  .section--service-intro .intro-copy:hover,
  .section--service .section-content--service.cyber-panel:hover,
  .section--contact .contact-panel:hover {
    border-color: rgba(34, 245, 208, 0.28) !important;
    box-shadow:
      0 22px 50px rgba(0, 0, 0, 0.42),
      0 0 28px rgba(34, 245, 208, 0.1),
      inset 0 1px 0 rgba(34, 245, 208, 0.1) !important;
  }
}

/* --- Responsive ---------------------------------------------------------- */

@media (max-width: 900px) {
  :root {
    --layout-pad-x: clamp(20px, 5vw, 32px);
    --layout-card-max: 100%;
    --layout-contact-max: 100%;
    --scroll-dock-h: 92px;
    --scroll-dock-offset: max(clamp(36px, 5.5vh, 64px), calc(env(safe-area-inset-bottom, 0px) + 16px));
  }

  .section--hero .section-split--hero {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  .section--hero .hero-side {
    grid-column: 1;
  }

  .section--hero .hero-main {
    grid-column: 1;
  }

  .section--hero .hero-visual {
    display: none !important;
  }

  .section--service-intro .section-split--intro {
    grid-template-columns: 1fr !important;
  }

  .section--service-intro .section-visual--intro {
    display: none !important;
  }

  .section--service .section-inner {
    grid-template-columns: 1fr !important;
  }


  .section--service .giant-number {
    font-size: clamp(4rem, 22vw, 7rem) !important;
    right: 2% !important;
    opacity: 0.04 !important;
  }
}

@media (max-height: 760px) and (min-width: 901px) {
  .section--hero .hero-visual {
    min-height: min(42vh, 360px) !important;
  }

  .section--service .section-inner {
    min-height: calc(100svh - var(--header-h) - var(--scroll-cue-h) - 36px) !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .section-deco--hero::after {
    animation: none !important;
  }
}