/* ==========================================================================
   NEXVANTA — Deep Field design system
   sections.css : page-specific composition
   ========================================================================== */

/* ========================================================= 1. PRELOADER */
/* The curtain only exists when scripting is available, and a CSS failsafe
   retires it after 4.5s even if the module graph never executes — the page
   must never be permanently blocked by decoration. */
.boot { display: none; }

.js .boot {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: grid;
  place-items: center;
  gap: 1.5rem;
  background: #04070e;
  transition: opacity 620ms var(--ease-out), visibility 620ms linear;
  animation: boot-failsafe 1ms linear 4.5s forwards;
}

.boot.is-done {
  opacity: 0;
  visibility: hidden;
  animation: none;
}

@keyframes boot-failsafe {
  to { opacity: 0; visibility: hidden; }
}

.boot__inner {
  display: grid;
  justify-items: center;
  gap: 1.6rem;
  text-align: center;
}

.boot__mark {
  width: clamp(56px, 9vw, 84px);
  animation: boot-mark 2.2s var(--ease-in-out) infinite;
}

@keyframes boot-mark {
  0%, 100% { opacity: .55; transform: scale(.97); }
  50%      { opacity: 1;   transform: scale(1); }
}

.boot__bar {
  width: min(240px, 52vw);
  height: 2px;
  border-radius: 99px;
  background: rgba(120, 160, 220, .16);
  overflow: hidden;
}

.boot__bar i {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: 99px;
  background: var(--grad-brand);
  box-shadow: 0 0 12px 0 rgba(34, 211, 238, .8);
  transition: width 260ms linear;
}

.boot__text {
  font-family: var(--font-mono);
  font-size: .655rem;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--ink-4);
}

/* ============================================================== 2. HERO */
.hero {
  position: relative;
  padding-top: calc(var(--nav-h) + clamp(3.5rem, 9vh, 7rem));
  padding-bottom: clamp(3rem, 7vh, 6rem);
  overflow: clip;
}

/* Animated starfield canvas */
.hero__field {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: .85;
  mask-image: radial-gradient(120% 100% at 50% 22%, #000 34%, transparent 78%);
  -webkit-mask-image: radial-gradient(120% 100% at 50% 22%, #000 34%, transparent 78%);
}

.hero__glow {
  position: absolute;
  z-index: 0;
  pointer-events: none;
  inset-inline: -10%;
  top: -32%;
  height: 92%;
  background:
    radial-gradient(46% 52% at 50% 42%, rgba(34, 211, 238, .2), transparent 68%),
    radial-gradient(38% 44% at 22% 58%, rgba(59, 130, 246, .17), transparent 66%),
    radial-gradient(40% 46% at 78% 52%, rgba(168, 85, 247, .19), transparent 66%);
  -webkit-mask-image: radial-gradient(80% 80% at 50% 45%, #000 30%, transparent 82%);
  mask-image: radial-gradient(80% 80% at 50% 45%, #000 30%, transparent 82%);
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  text-align: center;
  gap: clamp(1.35rem, 2.6vw, 1.9rem);
}

.hero__flag {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  padding: .42rem .5rem .42rem .9rem;
  border-radius: var(--r-pill);
  background: rgba(10, 18, 33, .7);
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.hero__flag em {
  font-style: normal;
  color: var(--cyan-hi);
}

.hero__flag .badge { padding-block: .22rem; font-size: .625rem; }

.hero h1 {
  max-width: 19ch;
}

.hero__lead {
  max-width: 60ch;
}

.hero__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .7rem;
  flex-wrap: wrap;
  margin-top: .3rem;
}

.hero__microcopy {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.35rem;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: .675rem;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.hero__microcopy span { display: inline-flex; align-items: center; gap: .45rem; }
.hero__microcopy svg { width: 12px; height: 12px; color: var(--emerald); }

/* Hero screen */
.hero__stage {
  position: relative;
  z-index: 1;
  margin-top: clamp(2.5rem, 5vw, 4.5rem);
  perspective: 2200px;
}

.hero__screen {
  transform: rotateX(6deg) scale(.985);
  transform-origin: 50% 0%;
  animation: hero-settle 1.6s var(--ease-out) .25s both;
}

@keyframes hero-settle {
  from { transform: rotateX(13deg) scale(.94) translateY(34px); opacity: 0; }
  to   { transform: rotateX(6deg) scale(.985) translateY(0); opacity: 1; }
}

/* Pin placement over the hero capture */
.hero__stage .pin--a { top: 15%;  left: -2.5%; --pin-color: var(--cyan); }
.hero__stage .pin--b { top: 46%;  right: -3%;  --pin-color: var(--violet); }
.hero__stage .pin--c { bottom: 11%; left: 4%;   --pin-color: var(--amber); }

@media (max-width: 1180px) {
  .hero__stage .pin--a { left: 1%; }
  .hero__stage .pin--b { right: 1%; }
}

/* Scroll cue */
.hero__cue {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  gap: .55rem;
  margin-top: clamp(2rem, 4vw, 3rem);
  font-family: var(--font-mono);
  font-size: .625rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-4);
}

.hero__cue i {
  display: block;
  width: 1px;
  height: 42px;
  background: linear-gradient(180deg, rgba(34, 211, 238, .9), transparent);
  animation: cue-drop 2.4s var(--ease-in-out) infinite;
}

@keyframes cue-drop {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 0; }
  40%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  70%  { transform: scaleY(1); transform-origin: bottom; opacity: 1; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* Hero stat rail */
.hero__stats {
  position: relative;
  z-index: 1;
  margin-top: clamp(2.75rem, 5vw, 4.25rem);
}

/* ==================================================== 3. TRUST MARQUEE */
.trust {
  position: relative;
  padding-block: clamp(2.5rem, 5vw, 3.75rem);
  border-block: 1px solid var(--line-soft);
  background: rgba(6, 11, 20, .5);
}

.trust__label {
  text-align: center;
  margin-bottom: 1.6rem;
}

.trust__rows { display: grid; gap: .7rem; }

/* ============================================================= 4. STORY */
.story { position: relative; overflow: clip; }

.story__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.76fr) minmax(0, 1.24fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: start;
}

/* The stage is first in the DOM so that on narrow screens it pins above the
   beats without duplicating four <video> elements. On wide screens it is placed
   into the second (wider) column instead. */
.story__rail  { grid-column: 1; grid-row: 1; }
.story__stage { grid-column: 2; grid-row: 1; }

.story__stage {
  position: sticky;
  top: calc(var(--nav-h) + clamp(1rem, 4vh, 3rem));
}

.story__stage .screen__stage > .beat-media {
  opacity: 0;
  transform: scale(1.035);
  transition: opacity 700ms var(--ease-out), transform 1200ms var(--ease-out);
  z-index: 0;
}

.story__stage .screen__stage > .beat-media.is-active {
  opacity: 1;
  transform: scale(1);
  z-index: 1;
}

.story__readout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: .8rem;
  padding: .7rem .95rem;
  border-radius: var(--r-md);
  background: rgba(8, 14, 26, .68);
  border: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: .655rem;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--ink-4);
}

.story__readout b { color: var(--cyan-hi); font-weight: 500; }

.story__clock {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.story__rail { display: grid; }

.beat {
  display: grid;
  gap: 1rem;
  align-content: center;
  min-height: min(84vh, 620px);
  padding-block: clamp(2rem, 6vh, 4rem);
  padding-left: clamp(1.1rem, 2vw, 1.75rem);
  border-left: 1px solid var(--line);
  opacity: .32;
  transition: opacity 520ms var(--ease-out);
}

.beat.is-live { opacity: 1; }

.beat__step {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  font-family: var(--font-mono);
  font-size: .665rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-4);
}

.beat__step b {
  display: grid;
  place-items: center;
  width: 26px; height: 26px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: rgba(10, 18, 33, .8);
  color: var(--ink-3);
  font-weight: 500;
  transition: color 400ms var(--ease-out), border-color 400ms var(--ease-out), background-color 400ms var(--ease-out);
}

.beat.is-live .beat__step { color: var(--cyan-hi); }
.beat.is-live .beat__step b {
  color: #041018;
  background: var(--grad-brand);
  border-color: transparent;
  box-shadow: 0 0 16px -3px rgba(34, 211, 238, .8);
}

.beat h3 { max-width: 22ch; }

.beat__copy {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink-3);
  max-width: 48ch;
  text-wrap: pretty;
}

.beat__proof {
  display: grid;
  gap: .55rem;
  margin-top: .35rem;
  padding: .9rem 1rem;
  border-radius: var(--r-md);
  background: rgba(10, 18, 33, .55);
  border: 1px solid var(--line-soft);
}

.beat__proof p {
  font-family: var(--font-mono);
  font-size: .745rem;
  line-height: 1.6;
  letter-spacing: -0.005em;
  color: var(--ink-2);
}

.beat__proof p span { color: var(--cyan-hi); }
.beat__proof .k {
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-4);
}

@media (max-width: 940px) {
  .story__grid { grid-template-columns: minmax(0, 1fr); gap: 1.25rem; }
  .story__rail,
  .story__stage { grid-column: 1; grid-row: auto; }
  .story__stage {
    top: calc(var(--nav-h) + .5rem);
    z-index: 5;
    padding-bottom: .5rem;
    background: linear-gradient(180deg, rgba(4,7,14,.96) 78%, transparent);
  }
  .beat { min-height: auto; padding-block: 2.25rem; opacity: 1; }
  .beat__copy { max-width: none; }
  .story__readout { display: none; }
}

/* ============================================================= 5. BENTO */
.bento {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: clamp(.85rem, 1.5vw, 1.35rem);
}

.bento > * { grid-column: span 2; }
.bento .span-3 { grid-column: span 3; }
.bento .span-4 { grid-column: span 4; }
.bento .span-6 { grid-column: span 6; }

@media (max-width: 1024px) {
  .bento { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .bento > * { grid-column: span 2; }
  .bento .span-3, .bento .span-4, .bento .span-6 { grid-column: span 4; }
}

@media (max-width: 620px) {
  .bento { grid-template-columns: minmax(0, 1fr); }
  .bento > *,
  .bento .span-3, .bento .span-4, .bento .span-6 { grid-column: span 1; }
}

/* Card that contains a capture */
.vcard {
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 0;
  padding: 0;
  overflow: hidden;
  border-radius: var(--r-lg);
  background: linear-gradient(168deg, rgba(19, 30, 51, .68), rgba(6, 11, 20, .84) 70%);
  border: 1px solid var(--line);
  isolation: isolate;
  transition:
    transform var(--t-mid) var(--ease-out),
    border-color var(--t-mid) var(--ease-out),
    box-shadow var(--t-mid) var(--ease-out);
}

.vcard::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--t-mid) var(--ease-out);
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(34, 211, 238, .14), transparent 62%);
}

.vcard:where(:hover, :focus-within) {
  border-color: var(--line-strong);
  transform: translateY(-3px);
  box-shadow: 0 30px 70px -34px rgba(0, 0, 0, .95);
}
.vcard:where(:hover, :focus-within)::before { opacity: 1; }

.vcard__media {
  position: relative;
  z-index: 1;
  aspect-ratio: var(--demo-ratio);
  overflow: hidden;
  background: #05080f;
  border-bottom: 1px solid var(--line-soft);
  order: -1;
}

.vcard__media video,
.vcard__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 900ms var(--ease-out), opacity 500ms linear;
}

.vcard:hover .vcard__media video,
.vcard:hover .vcard__media img { transform: scale(1.025); }

.vcard__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(4, 8, 16, .12), transparent 42%, rgba(4, 8, 16, .55));
}

.vcard__tag {
  position: absolute;
  z-index: 3;
  top: .7rem;
  left: .7rem;
}

.vcard__body {
  position: relative;
  z-index: 1;
  display: grid;
  gap: .6rem;
  align-content: start;
  padding: clamp(1.05rem, 2vw, 1.5rem);
}

.vcard__kicker {
  font-family: var(--font-mono);
  font-size: .645rem;
  letter-spacing: .17em;
  text-transform: uppercase;
  color: var(--cyan-hi);
}

.vcard__title {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, .98rem + .35vw, 1.32rem);
  font-weight: 600;
  letter-spacing: -0.026em;
  line-height: 1.2;
  color: var(--ink);
}

.vcard__body p {
  font-size: .9rem;
  line-height: 1.6;
  color: var(--ink-3);
  text-wrap: pretty;
}

.vcard__foot {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
  margin-top: .2rem;
  padding-top: .85rem;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: .655rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-4);
}

.vcard__foot b { color: var(--ink-2); font-weight: 500; }

/* Feature-only bento tile (no video) */
.ftile {
  display: grid;
  gap: 1rem;
  align-content: space-between;
  padding: clamp(1.25rem, 2.4vw, 1.9rem);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(34, 211, 238, .1), transparent 58%),
    linear-gradient(168deg, rgba(19, 30, 51, .66), rgba(6, 11, 20, .84) 70%);
  border: 1px solid var(--line);
}

.ftile--violet {
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(168, 85, 247, .12), transparent 58%),
    linear-gradient(168deg, rgba(23, 26, 54, .66), rgba(6, 11, 20, .84) 70%);
}

/* ========================================================= 6. WALLBOARD */
.wall {
  position: relative;
  overflow: clip;
}

.wall__frame {
  position: relative;
  z-index: 1;
}

.wall__legend {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1px;
  margin-top: clamp(1.25rem, 3vw, 2rem);
  background: var(--line-soft);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.wall__legend > li {
  display: grid;
  gap: .4rem;
  padding: clamp(1rem, 2vw, 1.35rem);
  background: linear-gradient(168deg, rgba(15, 25, 43, .7), rgba(6, 11, 20, .84));
}

.wall__legend h4 {
  font-family: var(--font-display);
  font-size: .96rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: .55rem;
}

.wall__legend h4 i {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--dot, var(--cyan));
  box-shadow: 0 0 9px 1px var(--dot, var(--cyan));
  flex: none;
}

.wall__legend p { font-size: .855rem; line-height: 1.55; color: var(--ink-3); }

/* ========================================================= 7. AI ENGINE */
.ai { position: relative; overflow: clip; }

.ai__tabsrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: clamp(1.25rem, 2.5vw, 1.9rem);
}

.ai__panelgrid {
  display: grid;
  grid-template-columns: minmax(0, 1.32fr) minmax(0, 0.68fr);
  gap: clamp(1rem, 2.2vw, 1.75rem);
  align-items: start;
}

@media (max-width: 1000px) {
  .ai__panelgrid { grid-template-columns: minmax(0, 1fr); }
}

.ai__aside {
  display: grid;
  gap: 1rem;
  align-content: start;
}

/* Two-tier architecture strip */
.tiers {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(.85rem, 1.6vw, 1.25rem);
}

@media (max-width: 760px) { .tiers { grid-template-columns: minmax(0, 1fr); } }

.tier {
  position: relative;
  display: grid;
  gap: .9rem;
  padding: clamp(1.15rem, 2.2vw, 1.7rem);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: linear-gradient(168deg, rgba(17, 28, 48, .68), rgba(6, 11, 20, .84));
  overflow: hidden;
}

.tier::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 2px;
  background: var(--tier-accent, var(--grad-brand));
  opacity: .85;
}

.tier--local  { --tier-accent: linear-gradient(90deg, #22d3ee, #10e0a0); }
.tier--gen    { --tier-accent: linear-gradient(90deg, #a855f7, #e040fb); }

.tier__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  flex-wrap: wrap;
}

.tier h4 {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: -0.022em;
  color: var(--ink);
}

.formula {
  display: block;
  padding: .8rem .95rem;
  border-radius: var(--r-sm);
  background: rgba(4, 8, 16, .8);
  border: 1px dashed var(--line-strong);
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: -0.01em;
  color: var(--cyan-hi);
  text-align: center;
}

.formula sub, .formula sup { font-size: .7em; }

/* Sigma severity ladder */
.sigma { display: grid; gap: .55rem; }

.sigma li {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr) auto;
  align-items: center;
  gap: .8rem;
  padding: .6rem .75rem;
  border-radius: var(--r-sm);
  background: rgba(6, 11, 21, .6);
  border: 1px solid var(--line-soft);
  font-size: .855rem;
  color: var(--ink-2);
}

.sigma b {
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--sig, var(--cyan));
  letter-spacing: .04em;
}

.sigma small {
  font-family: var(--font-mono);
  font-size: .655rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-4);
}

/* Provider switch */
.switchbox {
  display: grid;
  gap: 1rem;
  padding: clamp(1.15rem, 2.2vw, 1.6rem);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: linear-gradient(168deg, rgba(17, 28, 48, .7), rgba(6, 11, 20, .86));
}

.switchtrack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .35rem;
  padding: .35rem;
  border-radius: var(--r-pill);
  background: rgba(5, 9, 17, .8);
  border: 1px solid var(--line);
}

.switchtrack button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  padding: .58rem .7rem;
  border-radius: var(--r-pill);
  font-size: .83rem;
  font-weight: 500;
  color: var(--ink-3);
  transition: color var(--t-fast) var(--ease-out), background-color var(--t-fast) var(--ease-out);
  white-space: nowrap;
}

.switchtrack button svg { width: 15px; height: 15px; }

.switchtrack button[aria-pressed="true"] {
  color: #041018;
  font-weight: 600;
  background: var(--grad-brand);
  box-shadow: 0 0 0 1px rgba(255,255,255,.16) inset;
}

.switchbody { display: grid; gap: .8rem; min-height: 168px; }

.switchbody[hidden] { display: none; }

.pathline {
  display: flex;
  align-items: center;
  gap: .4rem;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: .655rem;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.pathline i {
  color: var(--ink-4);
  font-style: normal;
}

.pathline span {
  padding: .3rem .55rem;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: rgba(9, 16, 29, .8);
}

.pathline span.hot {
  color: var(--cyan-hi);
  border-color: rgba(34, 211, 238, .38);
  background: rgba(34, 211, 238, .09);
}

/* ====================================================== 8. MODULE RAIL */
.modules__grid {
  display: grid;
  grid-template-columns: minmax(0, 318px) minmax(0, 1fr);
  gap: clamp(1rem, 2.4vw, 2rem);
  align-items: start;
}

.modules__rail {
  position: sticky;
  top: calc(var(--nav-h) + 1.5rem);
  padding: .5rem;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: linear-gradient(168deg, rgba(13, 22, 38, .62), rgba(5, 9, 17, .8));
  max-height: calc(100vh - var(--nav-h) - 3rem);
  overflow-y: auto;
  scrollbar-width: thin;
}

.modules__panel { display: grid; gap: clamp(1rem, 2vw, 1.5rem); }

.modules__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.modules__specs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.modules__specs > li {
  display: grid;
  gap: .3rem;
  padding: 1rem 1.1rem;
  background: linear-gradient(168deg, rgba(15, 25, 43, .66), rgba(6, 11, 20, .82));
}

.modules__specs dt,
.modules__specs .k {
  font-family: var(--font-mono);
  font-size: .625rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--ink-4);
}

.modules__specs .v {
  font-size: .9rem;
  color: var(--ink);
  font-weight: 500;
  letter-spacing: -0.012em;
  line-height: 1.4;
}

@media (max-width: 940px) {
  .modules__grid { grid-template-columns: minmax(0, 1fr); }
  .modules__rail {
    position: static;
    max-height: none;
    display: flex;
    gap: .35rem;
    overflow-x: auto;
    scrollbar-width: none;
    /* Swipe lands on a whole tab, and the swipe stays in the strip instead of
       chaining to the page scroll. */
    scroll-snap-type: x proximity;
    overscroll-behavior-x: contain;
    -webkit-overflow-scrolling: touch;
  }
  .modules__rail::-webkit-scrollbar { display: none; }
  .rail {
    display: flex;
    gap: .35rem;
    /* As a flex item the rail was being sized to ~874px while its own children
       spilled past that, so the last few tabs were unreachable. Size it to its
       content and let .modules__rail do the scrolling. */
    flex: 0 0 auto;
    min-width: max-content;
  }
  .rail__item {
    /* Critical: as flex items these default to shrinking, which squeezed each
       tab to ~70px and collapsed the label on top of itself. */
    flex: 0 0 auto;
    grid-template-columns: auto auto;
    width: auto;
    white-space: nowrap;
    scroll-snap-align: start;
  }
  .rail__item .rail__hint,
  .rail__item .rail__tag { display: none; }
  .rail__item[aria-selected="true"]::before { display: none; }
}

/* Sigma ladder: three columns (badge / label / note) cannot coexist on a phone —
   the middle track collapsed to ~11px and the note ran over the label. Stack the
   label and note in one column beside the badge instead. */
@media (max-width: 620px) {
  .sigma li {
    grid-template-columns: 42px minmax(0, 1fr);
    column-gap: .7rem;
    row-gap: .12rem;
  }
  .sigma li > b     { grid-area: 1 / 1 / 3 / 2; align-self: center; }
  .sigma li > span  { grid-area: 1 / 2 / 2 / 3; }
  .sigma li > small { grid-area: 2 / 2 / 3 / 3; white-space: normal; line-height: 1.45; }
}

/* ========================================================= 9. SECURITY */
.sec { position: relative; overflow: clip; }

.sec__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  gap: clamp(1.5rem, 3.5vw, 3.25rem);
  align-items: center;
}

@media (max-width: 940px) { .sec__grid { grid-template-columns: minmax(0, 1fr); } }

.airgap {
  display: grid;
  gap: 1px;
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  background: var(--line-soft);
  border: 1px solid rgba(16, 224, 160, .18);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.airgap > li {
  position: relative;
  display: grid;
  gap: .45rem;
  padding: clamp(1rem, 2vw, 1.35rem);
  background: linear-gradient(168deg, rgba(8, 26, 24, .55), rgba(5, 10, 18, .86));
}

.airgap__n {
  font-family: var(--font-mono);
  font-size: .64rem;
  letter-spacing: .16em;
  color: #8ff0cd;
}

.airgap h4 {
  font-family: var(--font-display);
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.airgap p { font-size: .845rem; line-height: 1.55; color: var(--ink-3); }

/* ====================================================== 10. INTEGRATIONS */
.flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: clamp(1rem, 2.4vw, 2rem);
  align-items: stretch;
}

@media (max-width: 940px) {
  .flow { grid-template-columns: minmax(0, 1fr); }
  .flow__spine { display: none; }
}

.flow__col {
  display: grid;
  gap: .9rem;
  align-content: start;
  padding: clamp(1.15rem, 2.2vw, 1.65rem);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: linear-gradient(168deg, rgba(16, 26, 45, .66), rgba(6, 11, 20, .84));
}

.flow__head {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding-bottom: .8rem;
  border-bottom: 1px solid var(--line-soft);
}

.flow__head h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.022em;
  color: var(--ink);
}

.flow__list { display: grid; gap: .5rem; }

.flow__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: .75rem;
  align-items: center;
  padding: .62rem .78rem;
  border-radius: var(--r-sm);
  background: rgba(6, 11, 21, .6);
  border: 1px solid var(--line-soft);
  transition: border-color var(--t-fast) var(--ease-out), background-color var(--t-fast) var(--ease-out);
}

.flow__row:hover { border-color: rgba(140, 200, 255, .28); background: rgba(14, 24, 42, .78); }

.flow__row b {
  font-size: .875rem;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.012em;
}

.flow__row span {
  display: block;
  font-family: var(--font-mono);
  font-size: .625rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-top: .12rem;
}

.flow__row em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: .625rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--cyan-hi);
  white-space: nowrap;
}

.flow__spine {
  display: grid;
  place-items: center;
  gap: .75rem;
  width: 72px;
}

.flow__spine i {
  display: block;
  width: 1px;
  flex: 1;
  min-height: 60px;
  background: linear-gradient(180deg, transparent, rgba(34, 211, 238, .4), transparent);
}

.flow__core {
  display: grid;
  place-items: center;
  gap: .3rem;
  width: 72px; height: 72px;
  border-radius: 20px;
  border: 1px solid rgba(34, 211, 238, .34);
  background: radial-gradient(circle at 50% 30%, rgba(34, 211, 238, .18), rgba(6, 11, 21, .95));
  box-shadow: 0 0 40px -12px rgba(34, 211, 238, .6);
  text-align: center;
}

.flow__core svg { width: 22px; height: 22px; color: var(--cyan-hi); }
.flow__core span {
  font-family: var(--font-mono);
  font-size: .5rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* ======================================================= 11. ARCHITECTURE */
.arch__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: clamp(.85rem, 1.6vw, 1.25rem);
}

.svcgrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 168px), 1fr));
  gap: .6rem;
}

.svc {
  display: grid;
  gap: .35rem;
  padding: .85rem .95rem;
  border-radius: var(--r-sm);
  border: 1px solid var(--line-soft);
  background: rgba(7, 12, 22, .7);
  transition: border-color var(--t-fast) var(--ease-out), transform var(--t-fast) var(--ease-out);
}

.svc:hover { border-color: rgba(140, 200, 255, .3); transform: translateY(-2px); }

.svc__name {
  font-family: var(--font-mono);
  font-size: .735rem;
  color: var(--ink);
  letter-spacing: -0.005em;
  display: flex;
  align-items: center;
  gap: .45rem;
}

.svc__name i {
  width: 6px; height: 6px;
  border-radius: 2px;
  background: var(--svc, var(--cyan));
  box-shadow: 0 0 8px 0 var(--svc, var(--cyan));
  flex: none;
}

.svc__meta {
  font-family: var(--font-mono);
  font-size: .615rem;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--ink-4);
}

/* ============================================================= 12. ROI */
.roi { display: grid; gap: 1px; background: var(--line-soft); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }

.roi__row {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .8fr) minmax(0, .9fr) minmax(0, 1.05fr);
  gap: 1rem;
  align-items: center;
  padding: clamp(1rem, 2vw, 1.35rem) clamp(1rem, 2vw, 1.4rem);
  background: linear-gradient(168deg, rgba(14, 24, 42, .62), rgba(5, 10, 18, .84));
}

.roi__row--head {
  background: rgba(9, 15, 28, .95);
}

.roi__row--head span {
  font-family: var(--font-mono);
  font-size: .645rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--ink-4);
}

.roi__kpi {
  display: grid;
  gap: .3rem;
}

.roi__kpi b {
  font-size: .95rem;
  font-weight: 550;
  color: var(--ink);
  letter-spacing: -0.015em;
  line-height: 1.3;
}

.roi__legacy {
  font-family: var(--font-mono);
  font-size: .84rem;
  color: var(--ink-4);
  text-decoration: line-through;
  text-decoration-color: rgba(251, 59, 108, .55);
  text-decoration-thickness: 1px;
}

.roi__nex {
  font-family: var(--font-mono);
  font-size: .95rem;
  font-weight: 500;
  color: var(--cyan-hi);
}

.roi__delta { display: grid; gap: .45rem; }

.roi__delta b {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 650;
  letter-spacing: -0.03em;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

@media (max-width: 820px) {
  .roi__row { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); row-gap: .75rem; }
  .roi__row--head { display: none; }
  .roi__kpi { grid-column: 1 / -1; }
}

/* ========================================================= 13. EDITIONS */
.editions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(.9rem, 1.8vw, 1.4rem);
  align-items: stretch;
}

/* Two-edition layout. Was an inline style, so the breakpoint below could never
   collapse it and both plans stayed side by side on phones. */
.editions--duo {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 960px;
  margin-inline: auto;
}

@media (max-width: 980px) {
  .editions,
  .editions--duo { grid-template-columns: minmax(0, 1fr); }
}

/* Flex column so the three CTAs line up along the bottom regardless of how
   many features each edition lists. */
.plan {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  padding: clamp(1.35rem, 2.6vw, 2rem);
  border-radius: var(--r-xl);
  border: 1px solid var(--line);
  background: linear-gradient(168deg, rgba(16, 26, 45, .66), rgba(6, 11, 20, .86));
  overflow: hidden;
}

.plan--hero {
  border-color: rgba(34, 211, 238, .34);
  background:
    radial-gradient(110% 70% at 50% -6%, rgba(34, 211, 238, .14), transparent 62%),
    linear-gradient(168deg, rgba(20, 34, 58, .78), rgba(6, 11, 20, .9));
  box-shadow: 0 40px 100px -46px rgba(34, 211, 238, .5);
}

.plan--hero::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 2px;
  background: var(--grad-brand);
}

.plan__flag {
  position: absolute;
  top: 1rem;
  right: 1rem;
}

.plan__name {
  font-family: var(--font-display);
  font-size: 1.28rem;
  font-weight: 650;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.plan__for {
  font-family: var(--font-mono);
  font-size: .645rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--ink-4);
}

.plan__price {
  display: grid;
  gap: .3rem;
  padding-block: .9rem;
  border-block: 1px solid var(--line-soft);
}

.plan__price b {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 650;
  letter-spacing: -0.035em;
  color: var(--ink);
}

.plan__price span { font-size: .82rem; color: var(--ink-4); }

.plan > .btn { margin-top: auto; }
.plan > .checks { margin-bottom: .25rem; }

/* ============================================================= 14. CTA */
.cta {
  position: relative;
  overflow: clip;
  padding-block: clamp(4.5rem, 10vh, 8rem);
}

.cta__panel {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(1.75rem, 4vw, 3.5rem);
  align-items: center;
  padding: clamp(1.75rem, 4vw, 3.5rem);
  border-radius: var(--r-xl);
  border: 1px solid rgba(140, 190, 255, .18);
  background:
    radial-gradient(90% 120% at 8% 0%, rgba(34, 211, 238, .16), transparent 58%),
    radial-gradient(80% 110% at 96% 100%, rgba(224, 64, 251, .16), transparent 58%),
    linear-gradient(168deg, rgba(15, 26, 46, .82), rgba(5, 9, 18, .92));
  box-shadow: 0 60px 140px -60px rgba(34, 211, 238, .45);
  overflow: hidden;
}

@media (max-width: 940px) { .cta__panel { grid-template-columns: minmax(0, 1fr); } }

.cta__form { display: grid; gap: .9rem; }

.cta__form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .8rem;
}

@media (max-width: 520px) { .cta__form-grid { grid-template-columns: minmax(0, 1fr); } }

/* ============================================== 15. QUOTE / PULL BLOCK */
.pull {
  position: relative;
  display: grid;
  gap: 1.25rem;
  max-width: 46ch;
  padding-left: clamp(1.15rem, 2.4vw, 2rem);
  border-left: 2px solid transparent;
  border-image: var(--grad-brand) 1;
}

.pull blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.02rem + .6vw, 1.5rem);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.028em;
  color: var(--ink);
  text-wrap: balance;
}

.pull figcaption {
  font-family: var(--font-mono);
  font-size: .655rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--ink-4);
}

/* ========================================== 16. NUMBER TICKER BAR (deco) */
.ticker {
  position: relative;
  display: flex;
  overflow: hidden;
  padding-block: .55rem;
  border-block: 1px solid var(--line-soft);
  background: rgba(5, 10, 19, .7);
  mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}

.ticker__track {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  flex: none;
  min-width: max-content;
  animation: marquee-run 42s linear infinite;
  font-family: var(--font-mono);
  font-size: .685rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.ticker__track > span { display: inline-flex; align-items: center; gap: .5rem; }
.ticker__track i {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--tk, var(--cyan));
  box-shadow: 0 0 8px 0 var(--tk, var(--cyan));
}
.ticker__track b { color: var(--ink); font-weight: 500; }

/* ============================================== 17. SECTION LABEL EDGES */
.edge-label {
  position: absolute;
  top: 0;
  right: var(--gutter);
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-4);
  writing-mode: vertical-rl;
  padding-top: 1.5rem;
  opacity: .7;
  pointer-events: none;
}

@media (max-width: 1400px) { .edge-label { display: none; } }

/* ============================================================== 18. FAQ */
.faq {
  display: grid;
  gap: .55rem;
  max-width: 94ch;
  margin-inline: auto;
}

.faq__item {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--panel-soft);
  transition:
    border-color var(--t-fast) var(--ease-out),
    background var(--t-fast) var(--ease-out);
}
.faq__item:hover { border-color: var(--line-strong); }
.faq__item[open] {
  border-color: var(--line-strong);
  background: var(--panel);
}

.faq__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.1rem;
  padding: 1.02rem clamp(.95rem, 2vw, 1.4rem);
  cursor: pointer;
  list-style: none;
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q::marker { content: ""; }

.faq__q::after {
  content: "";
  flex: none;
  width: 9px;
  height: 9px;
  margin-top: .42rem;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  rotate: 45deg;
  transition: rotate var(--t-mid) var(--ease-out), opacity var(--t-fast) linear;
  opacity: .75;
}
.faq__q:hover::after { opacity: 1; }
.faq__item[open] .faq__q::after { rotate: -135deg; }

.faq__h {
  font-size: clamp(.985rem, .95rem + .18vw, 1.09rem);
  font-weight: 600;
  line-height: 1.38;
  letter-spacing: -.022em;
  text-wrap: pretty;
}

.faq__a {
  padding: .1rem clamp(.95rem, 2vw, 1.4rem) 1.15rem;
  color: var(--ink-2);
  font-size: .945rem;
  line-height: 1.72;
  max-width: 82ch;
}
.faq__a > * + * { margin-top: .65rem; }
.faq__a strong { color: var(--ink); font-weight: 550; }
.faq__a a {
  color: var(--cyan-hi);
  text-decoration: underline;
  text-decoration-color: rgba(103, 232, 249, .4);
  text-underline-offset: 3px;
}
.faq__a a:hover { text-decoration-color: currentColor; }

@media (prefers-reduced-motion: no-preference) {
  .faq__item[open] .faq__a { animation: faq-in 300ms var(--ease-out) both; }
}
@keyframes faq-in {
  from { opacity: 0; transform: translate3d(0, -5px, 0); }
  to   { opacity: 1; transform: none; }
}