/*
 * EnrichFusion Flow — Immersive chapter homepage.
 * The interaction system is original and uses no third-party visual assets.
 */

.ef-is-front-page {
  --story-accent: #8b5cff;
  --story-accent-2: #20d6b5;
  --story-white: #f8f7ff;
  --story-muted: rgba(235, 231, 247, .68);
  --story-line: rgba(255, 255, 255, .14);
  --story-panel: rgba(18, 14, 29, .72);
  --story-panel-solid: #12101a;
  --story-ease: cubic-bezier(.16, 1, .3, 1);
  background: #08060e;
  color: var(--story-white);
  overflow-x: clip;
}

.ef-is-front-page .ef-scroll-progress { z-index: 120; height: 2px; }
.ef-is-front-page .ef-scroll-progress span { background: linear-gradient(90deg, var(--story-accent), var(--story-accent-2)); box-shadow: 0 0 18px var(--story-accent); }
.ef-is-front-page .ef-whatsapp-float { z-index: 95; }
.ef-is-front-page .ef-site-footer { position: relative; z-index: 8; }
.ef-is-front-page .ef-modal { z-index: 150; }

/* Front-page header */
.ef-story-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 90;
  height: 92px;
  color: #fff;
  transition: background .45s ease, border-color .45s ease, height .45s var(--story-ease), transform .45s var(--story-ease);
}
.admin-bar .ef-story-header { top: 32px; }
.ef-story-header::after {
  content: "";
  position: absolute;
  inset: auto 34px 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.14) 12%, rgba(255,255,255,.14) 88%, transparent);
  transition: opacity .35s ease;
}
.ef-story-header.is-scrolled {
  height: 76px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  background: rgba(8, 6, 14, .76);
  backdrop-filter: blur(22px) saturate(130%);
}
.ef-story-header.is-scrolled::after { opacity: 0; }
.ef-story-header__inner {
  width: min(calc(100% - 68px), 1500px);
  height: 100%;
  margin-inline: auto;
  display: grid;
  grid-template-columns: 240px 1fr 240px;
  align-items: center;
  gap: 30px;
}
.ef-story-brand { display: inline-flex; align-items: center; gap: 12px; justify-self: start; }
.ef-story-brand__symbol { position: relative; width: 38px; height: 38px; display: block; }
.ef-story-brand__symbol i {
  position: absolute;
  top: 50%; left: 50%;
  width: 22px; height: 22px;
  border: 1.5px solid rgba(255,255,255,.88);
  border-radius: 7px;
  transform: translate(-65%, -50%) rotate(45deg);
}
.ef-story-brand__symbol i:nth-child(2) { border-color: var(--story-accent-2); transform: translate(-25%, -50%) rotate(45deg); }
.ef-story-brand__symbol b { position: absolute; left: 7px; right: 7px; top: 50%; height: 1px; background: linear-gradient(90deg, var(--story-accent), var(--story-accent-2)); transform: rotate(-20deg); }
.ef-story-brand__word { display: flex; flex-direction: column; line-height: 1; }
.ef-story-brand__word strong { color: #fff; font-size: 1.07rem; letter-spacing: -.045em; }
.ef-story-brand__word small { margin-top: 6px; color: rgba(255,255,255,.54); font-size: .48rem; font-weight: 800; letter-spacing: .15em; }
.ef-story-brand__logo .custom-logo-link { display: block; }
.ef-story-brand__logo img { width: auto; max-width: 220px; max-height: 48px; filter: brightness(0) invert(1); }
.ef-story-header__nav { display: flex; align-items: center; justify-content: center; gap: clamp(12px, 2vw, 30px); }
.ef-story-header__nav > a {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 12px 2px;
  color: rgba(255,255,255,.56);
  font-size: .72rem;
  font-weight: 680;
  letter-spacing: .03em;
  transition: color .25s ease;
}
.ef-story-header__nav > a span { color: rgba(255,255,255,.26); font-size: .48rem; font-weight: 850; }
.ef-story-header__nav > a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: 5px;
  height: 1px;
  background: linear-gradient(90deg, var(--story-accent), var(--story-accent-2));
  transition: right .35s var(--story-ease);
}
.ef-story-header__nav > a:hover,
.ef-story-header__nav > a.is-active { color: #fff; }
.ef-story-header__nav > a.is-active::after { right: 0; }
.ef-story-header__nav > a.is-active span { color: var(--story-accent-2); }
.ef-story-header__mobile-action { display: none; }
.ef-story-header__actions { justify-self: end; display: flex; align-items: center; gap: 18px; }
.ef-story-header__contact { color: rgba(255,255,255,.62); font-size: .76rem; font-weight: 700; }
.ef-story-header__contact:hover { color: #fff; }
.ef-story-header__cta {
  display: inline-flex; align-items: center; gap: 10px;
  min-height: 44px; padding: 10px 17px;
  border: 1px solid rgba(255,255,255,.2); border-radius: 999px;
  background: rgba(255,255,255,.06); color: #fff;
  font-size: .72rem; font-weight: 760; cursor: pointer;
  backdrop-filter: blur(12px);
  transition: border-color .25s ease, background .25s ease, transform .25s var(--story-ease);
}
.ef-story-header__cta:hover { transform: translateY(-2px); border-color: var(--story-accent-2); background: rgba(255,255,255,.11); }
.ef-story-header__cta svg { width: 15px; }
.ef-story-menu-toggle { display: none; width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.18); border-radius: 50%; background: rgba(255,255,255,.06); cursor: pointer; }
.ef-story-menu-toggle span { display: block; width: 17px; height: 1px; margin: 5px auto; background: #fff; transition: transform .3s ease; }
.ef-story-menu-open { overflow: hidden; }

/* Fixed visual environment */
.ef-story { position: relative; z-index: 1; background: transparent; }
.ef-story-background { position: fixed; inset: 0; z-index: -2; overflow: hidden; background: #08060e; pointer-events: none; }
.ef-story-canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .9; }
.ef-story-background__grid {
  position: absolute; inset: 0;
  opacity: .14;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at 55% 42%, #000 0, rgba(0,0,0,.45) 45%, transparent 82%);
  transform: perspective(700px) rotateX(62deg) translateY(38%) scale(1.45);
  transform-origin: center bottom;
}
.ef-story-background__grain {
  position: absolute; inset: -50%;
  opacity: .13;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.6'/%3E%3C/svg%3E");
  animation: efStoryGrain .22s steps(2) infinite;
}
.ef-story-background__vignette { position: absolute; inset: 0; background: radial-gradient(circle at 53% 48%, transparent 25%, rgba(4,3,8,.22) 62%, rgba(4,3,8,.92) 108%); }

/* Chapter navigation */
.ef-chapter-rail {
  position: fixed;
  z-index: 72;
  left: max(12px, calc((100vw - 1560px) / 2));
  top: 50%;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transform: translateY(-50%);
  transition: opacity .35s ease, transform .35s ease;
}
.ef-chapter-rail a {
  position: relative;
  width: 94px;
  display: grid;
  grid-template-columns: 16px 25px 1fr;
  align-items: center;
  gap: 5px;
  min-height: 31px;
  color: rgba(255,255,255,.33);
  font-size: .54rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: color .3s ease;
}
.ef-chapter-rail a span { font-size: .47rem; }
.ef-chapter-rail a i { position: relative; display: block; width: 24px; height: 1px; background: rgba(255,255,255,.18); }
.ef-chapter-rail a i::after { content: ""; position: absolute; inset: -1px 100% -1px 0; background: linear-gradient(90deg, var(--story-accent), var(--story-accent-2)); transition: right .4s var(--story-ease); }
.ef-chapter-rail a em { opacity: 0; font-style: normal; transform: translateX(-5px); transition: opacity .3s ease, transform .3s ease; }
.ef-chapter-rail a:hover,
.ef-chapter-rail a.is-active { color: #fff; }
.ef-chapter-rail a:hover em,
.ef-chapter-rail a.is-active em { opacity: 1; transform: none; }
.ef-chapter-rail a.is-active i::after { right: 0; }
.ef-story-readout {
  position: fixed;
  right: max(28px, calc((100vw - 1500px) / 2));
  bottom: 31px;
  z-index: 72;
  display: flex;
  align-items: baseline;
  gap: 5px;
  color: rgba(255,255,255,.36);
  font-size: .56rem;
  font-weight: 760;
  letter-spacing: .08em;
  transition: opacity .35s ease, transform .35s ease;
}
.ef-story-readout > span:first-child { color: #fff; font-size: 1.05rem; }
.ef-story-readout i { font-style: normal; }
.ef-story-readout strong { margin-left: 10px; color: rgba(255,255,255,.7); font-size: .53rem; font-weight: 760; text-transform: uppercase; }
.ef-story-ended .ef-chapter-rail,
.ef-story-ended .ef-story-readout { opacity: 0; pointer-events: none; transform: translateY(10px); }

/* Chapter framework */
.ef-story-chapter {
  --story-progress: 0;
  --story-intro: 0;
  --story-mid: 0;
  --story-outro: 0;
  position: relative;
  min-height: 190svh;
  color: #fff;
}
.ef-story-chapter__sticky {
  position: sticky;
  top: 0;
  height: 100svh;
  min-height: 720px;
  overflow: hidden;
  isolation: isolate;
}
.ef-story-chapter__sticky::before {
  content: "";
  position: absolute; inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 72% 42%, color-mix(in srgb, var(--chapter-a, #8b5cff) 16%, transparent), transparent 40%),
    linear-gradient(115deg, rgba(8,6,14,.96), rgba(8,6,14,.62) 48%, rgba(8,6,14,.88));
  opacity: calc(.7 + var(--story-intro) * .3);
}
.ef-story-chapter__sticky::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  background: linear-gradient(100deg, var(--chapter-a, #8b5cff), var(--chapter-b, #20d6b5));
  transform: translateX(calc((-110% + (var(--story-outro) * 110%))));
  opacity: calc(var(--story-outro) * .2);
  mix-blend-mode: screen;
}
.ef-story-chapter__number {
  position: absolute;
  z-index: -1;
  right: 1.5vw;
  top: 3vh;
  color: rgba(255,255,255,.035);
  font-size: clamp(14rem, 30vw, 32rem);
  font-weight: 900;
  line-height: .8;
  letter-spacing: -.11em;
  transform: translate3d(calc((1 - var(--story-intro)) * 80px), calc(var(--story-progress) * -24px), 0);
  opacity: calc(.35 + var(--story-intro) * .65);
  user-select: none;
}
.ef-story-chapter__word {
  position: absolute;
  z-index: -1;
  left: 50%;
  bottom: 1.5vh;
  width: 100%;
  color: rgba(255,255,255,.034);
  font-size: clamp(7rem, 16.5vw, 17rem);
  font-weight: 900;
  line-height: .8;
  letter-spacing: -.085em;
  text-align: center;
  transform: translate3d(-50%, calc((1 - var(--story-mid)) * 40px), 0) scale(calc(.96 + var(--story-mid) * .04));
  white-space: nowrap;
  user-select: none;
}
.ef-story-frame {
  position: relative;
  z-index: 3;
  width: min(calc(100% - 220px), 1370px);
  height: 100%;
  margin-inline: auto;
  padding: clamp(120px, 14vh, 158px) 0 clamp(72px, 8vh, 96px);
  display: grid;
  grid-template-columns: minmax(360px, .82fr) minmax(620px, 1.45fr);
  align-items: center;
  gap: clamp(38px, 5vw, 92px);
}
.ef-story-frame--wide { grid-template-columns: minmax(320px, .7fr) minmax(680px, 1.55fr); }
.ef-story-frame--projects,
.ef-story-frame--pricing,
.ef-story-frame--blog { display: block; }
.ef-story-copy {
  position: relative;
  opacity: calc(var(--story-intro) * (1 - var(--story-outro) * .9));
  transform: translate3d(calc((1 - var(--story-intro)) * -55px), calc(var(--story-outro) * -35px), 0);
  transition: opacity .08s linear;
}
.ef-story-copy--hero { max-width: 610px; }
.ef-story-kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
  color: rgba(255,255,255,.62);
  font-size: .64rem;
  font-weight: 780;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.ef-story-kicker span { display: inline-flex; align-items: center; min-height: 25px; padding: 5px 10px; border: 1px solid rgba(255,255,255,.15); border-radius: 999px; color: var(--chapter-b, #20d6b5); background: rgba(255,255,255,.04); }
.ef-story-copy h1,
.ef-story-copy h2 {
  max-width: 780px;
  margin: 0;
  color: #fff;
  font-size: clamp(3.15rem, 5.6vw, 6.8rem);
  font-weight: 740;
  line-height: .92;
  letter-spacing: -.07em;
  text-wrap: balance;
}
.ef-story-copy h2 { font-size: clamp(2.65rem, 4.7vw, 5.5rem); }
.ef-story-copy h1 strong,
.ef-story-copy h1 em { color: var(--chapter-b, #20d6b5); font-style: normal; }
.ef-story-lead { max-width: 610px; margin: 28px 0 0; color: var(--story-muted); font-size: clamp(.98rem, 1.35vw, 1.18rem); line-height: 1.72; }
.ef-story-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 34px; }
.ef-story-button {
  appearance: none;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 13px 22px;
  border: 1px solid transparent; border-radius: 999px;
  color: #fff; font-size: .78rem; font-weight: 760;
  cursor: pointer;
  transition: transform .28s var(--story-ease), background .28s ease, border-color .28s ease, box-shadow .28s ease;
}
.ef-story-button:hover { transform: translateY(-3px); }
.ef-story-button svg { width: 16px; transition: transform .28s var(--story-ease); }
.ef-story-button:hover svg { transform: translateX(4px); }
.ef-story-button--solid { color: #08060e; background: linear-gradient(110deg, var(--chapter-b, #20d6b5), #fff 150%); box-shadow: 0 16px 45px color-mix(in srgb, var(--chapter-b, #20d6b5) 24%, transparent); }
.ef-story-button--line { border-color: rgba(255,255,255,.18); background: rgba(255,255,255,.045); backdrop-filter: blur(14px); }
.ef-story-button--line:hover { border-color: var(--chapter-b, #20d6b5); background: rgba(255,255,255,.09); }
.ef-story-proofline { display: flex; flex-wrap: wrap; gap: 13px 22px; margin-top: 25px; color: rgba(255,255,255,.52); font-size: .68rem; }
.ef-story-proofline span { display: inline-flex; align-items: center; gap: 7px; }
.ef-story-proofline svg { width: 14px; color: var(--chapter-b, #20d6b5); }
.ef-story-text-link {
  display: inline-flex; align-items: center; gap: 9px;
  margin-top: 26px; color: #fff;
  font-size: .78rem; font-weight: 740;
}
.ef-story-text-link svg { width: 15px; color: var(--chapter-b, #20d6b5); transition: transform .25s ease; }
.ef-story-text-link:hover svg { transform: translateX(4px); }
.ef-story-scroll-cue {
  position: absolute;
  left: 50%; bottom: 27px;
  z-index: 4;
  display: flex; align-items: center; gap: 13px;
  color: rgba(255,255,255,.35);
  font-size: .49rem; font-weight: 760; letter-spacing: .16em;
  transform: translateX(-50%);
}
.ef-story-scroll-cue i { position: relative; display: block; width: 1px; height: 34px; overflow: hidden; background: rgba(255,255,255,.16); }
.ef-story-scroll-cue i::after { content: ""; position: absolute; left: 0; top: -100%; width: 100%; height: 100%; background: var(--chapter-b, #20d6b5); animation: efStoryScroll 2s ease-in-out infinite; }

/* Chapter 01 — service universe */
.ef-story-chapter--services { --chapter-a: #8b5cff; --chapter-b: #20d6b5; }
.ef-service-universe {
  position: relative;
  height: min(68vh, 650px);
  min-height: 550px;
  opacity: calc(var(--story-mid) * (1 - var(--story-outro)));
  transform: translate3d(calc((1 - var(--story-mid)) * 60px), calc(var(--story-outro) * -35px), 0) scale(calc(.92 + var(--story-mid) * .08));
  perspective: 1100px;
}
.ef-service-universe::before,
.ef-service-universe::after {
  content: "";
  position: absolute;
  left: 30%; top: 50%;
  width: 430px; height: 430px;
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.ef-service-universe::after { width: 340px; height: 340px; border-style: dashed; animation: efOrbitSpin 34s linear infinite; }
.ef-service-universe__halo { position: absolute; left: 30%; top: 50%; width: 500px; height: 500px; transform: translate(-50%, -50%); }
.ef-service-universe__halo i { position: absolute; inset: 0; border-radius: 50%; background: radial-gradient(circle, color-mix(in srgb, var(--chapter-a) 17%, transparent), transparent 64%); filter: blur(16px); animation: efStoryBreath 5s ease-in-out infinite; }
.ef-service-universe__halo i:nth-child(2) { inset: 15%; background: radial-gradient(circle, color-mix(in srgb, var(--chapter-b) 18%, transparent), transparent 70%); animation-delay: -1.7s; }
.ef-service-universe__halo i:nth-child(3) { inset: 34%; border: 1px solid rgba(255,255,255,.14); background: transparent; filter: none; }
.ef-service-core {
  position: absolute;
  z-index: 5;
  left: 30%; top: 50%;
  width: 190px; height: 190px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  border: 1px solid rgba(255,255,255,.22); border-radius: 50%;
  background: radial-gradient(circle at 35% 25%, rgba(255,255,255,.19), rgba(17,13,28,.92) 48%, rgba(8,6,14,.95));
  box-shadow: 0 0 80px color-mix(in srgb, var(--chapter-a) 22%, transparent), inset 0 0 35px rgba(255,255,255,.06);
  text-align: center;
  transform: translate(-50%, -50%) rotateX(calc((.5 - var(--story-progress)) * 7deg)) rotateY(calc((var(--story-progress) - .5) * 9deg));
}
.ef-service-core::before { content: ""; position: absolute; inset: 11px; border: 1px dashed rgba(255,255,255,.14); border-radius: 50%; animation: efOrbitSpin 18s linear infinite reverse; }
.ef-service-core span { color: var(--chapter-b); font-size: .5rem; font-weight: 850; letter-spacing: .16em; }
.ef-service-core strong { margin: 9px 0; color: #fff; font-size: 1.28rem; line-height: 1.03; letter-spacing: -.05em; }
.ef-service-core small { display: inline-flex; align-items: center; gap: 6px; color: rgba(255,255,255,.48); font-size: .5rem; }
.ef-service-core small i { width: 6px; height: 6px; border-radius: 50%; background: var(--chapter-b); box-shadow: 0 0 0 5px color-mix(in srgb, var(--chapter-b) 14%, transparent); animation: efStoryPulse 1.8s ease infinite; }
.ef-service-nodes { position: absolute; inset: 0 42% 0 0; }
.ef-service-node {
  position: absolute;
  z-index: 6;
  width: 154px;
  min-height: 61px;
  display: grid;
  grid-template-columns: 35px 1fr 20px;
  align-items: center;
  gap: 8px;
  padding: 10px;
  border: 1px solid rgba(255,255,255,.13); border-radius: 15px;
  background: rgba(14,11,23,.76); color: #fff;
  box-shadow: 0 15px 38px rgba(0,0,0,.28);
  backdrop-filter: blur(15px);
  text-align: left;
  cursor: pointer;
  transform: translate3d(0, calc((1 - var(--story-mid)) * 28px), 0);
  transition: border-color .3s ease, background .3s ease, box-shadow .3s ease, scale .3s var(--story-ease);
}
.ef-service-node:nth-child(1) { left: 30%; top: 2%; transform: translateX(-50%); }
.ef-service-node:nth-child(2) { right: 1%; top: 20%; }
.ef-service-node:nth-child(3) { right: -2%; bottom: 21%; }
.ef-service-node:nth-child(4) { left: 30%; bottom: 1%; transform: translateX(-50%); }
.ef-service-node:nth-child(5) { left: -1%; bottom: 21%; }
.ef-service-node:nth-child(6) { left: -2%; top: 20%; }
.ef-service-node > span { display: inline-flex; align-items: center; justify-content: center; width: 35px; height: 35px; border-radius: 11px; background: rgba(255,255,255,.08); color: var(--chapter-b); }
.ef-service-node svg { width: 17px; }
.ef-service-node strong { font-size: .66rem; line-height: 1.25; }
.ef-service-node em { color: rgba(255,255,255,.27); font-size: .46rem; font-style: normal; }
.ef-service-node:hover,
.ef-service-node.is-active { border-color: color-mix(in srgb, var(--chapter-b) 65%, transparent); background: rgba(24,19,38,.92); box-shadow: 0 18px 55px color-mix(in srgb, var(--chapter-a) 18%, transparent); scale: 1.045; }
.ef-service-node.is-active > span { background: var(--chapter-b); color: #07110f; }
.ef-service-details {
  position: absolute;
  right: 0; top: 50%;
  width: 39%;
  min-height: 335px;
  transform: translateY(-50%);
}
.ef-service-detail {
  position: absolute; inset: 0;
  padding: 28px;
  border: 1px solid rgba(255,255,255,.13); border-radius: 24px;
  background: linear-gradient(145deg, rgba(25,20,39,.87), rgba(10,8,17,.83));
  box-shadow: 0 28px 80px rgba(0,0,0,.34);
  backdrop-filter: blur(22px);
  opacity: 0; visibility: hidden;
  transform: translate3d(24px, 0, 0) rotateY(-6deg);
  transition: opacity .42s ease, visibility .42s ease, transform .55s var(--story-ease);
}
.ef-service-detail.is-active { opacity: 1; visibility: visible; transform: none; }
.ef-service-detail > p:first-child { margin: 0 0 13px; color: var(--chapter-b); font-size: .53rem; font-weight: 820; letter-spacing: .13em; }
.ef-service-detail h2 { margin: 0; color: #fff; font-size: clamp(1.75rem, 2.5vw, 2.7rem); letter-spacing: -.055em; }
.ef-service-detail > p:not(:first-child) { margin: 15px 0 18px; color: rgba(255,255,255,.61); font-size: .78rem; line-height: 1.62; }
.ef-service-detail ul { display: grid; gap: 9px; margin: 0 0 22px; list-style: none; }
.ef-service-detail li { display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,.72); font-size: .68rem; }
.ef-service-detail li svg { width: 14px; color: var(--chapter-b); }
.ef-service-detail > a { display: inline-flex; align-items: center; gap: 8px; color: #fff; font-size: .7rem; font-weight: 760; }
.ef-service-detail > a svg { width: 14px; color: var(--chapter-b); }

/* Chapter 02 — solutions */
.ef-story-chapter--solutions { --chapter-a: #ffb64d; --chapter-b: #ff4fa3; }
.ef-solutions-lab {
  min-width: 0;
  opacity: calc(var(--story-mid) * (1 - var(--story-outro)));
  transform: translate3d(calc((1 - var(--story-mid)) * 65px), 0, 0) rotateY(calc((1 - var(--story-mid)) * -4deg));
}
.ef-solutions-tabs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin-bottom: 12px; }
.ef-solutions-tabs button {
  position: relative;
  min-height: 72px;
  display: grid;
  grid-template-columns: 34px 1fr 22px;
  align-items: center;
  gap: 8px;
  padding: 12px;
  border: 1px solid rgba(255,255,255,.11); border-radius: 15px;
  background: rgba(255,255,255,.035); color: rgba(255,255,255,.55);
  text-align: left;
  cursor: pointer;
  transition: border-color .3s ease, background .3s ease, color .3s ease, transform .3s var(--story-ease);
}
.ef-solutions-tabs button:hover { transform: translateY(-2px); color: #fff; }
.ef-solutions-tabs button.is-active { border-color: color-mix(in srgb, var(--chapter-b) 55%, transparent); background: linear-gradient(135deg, color-mix(in srgb, var(--chapter-a) 13%, transparent), color-mix(in srgb, var(--chapter-b) 10%, transparent)); color: #fff; }
.ef-solutions-tabs button > span { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: 10px; background: rgba(255,255,255,.07); color: var(--chapter-a); }
.ef-solutions-tabs button.is-active > span { background: var(--chapter-b); color: #16050e; }
.ef-solutions-tabs button svg { width: 17px; }
.ef-solutions-tabs button strong { font-size: .65rem; }
.ef-solutions-tabs button em { color: rgba(255,255,255,.28); font-size: .48rem; font-style: normal; }
.ef-solutions-panels { position: relative; height: min(57vh, 500px); min-height: 430px; }
.ef-solution-panel {
  position: absolute; inset: 0;
  display: grid;
  grid-template-columns: minmax(235px, .72fr) minmax(470px, 1.38fr);
  gap: 24px;
  padding: 26px;
  border: 1px solid rgba(255,255,255,.12); border-radius: 25px;
  background: linear-gradient(145deg, rgba(24,18,30,.86), rgba(10,8,16,.82));
  box-shadow: 0 32px 95px rgba(0,0,0,.34);
  backdrop-filter: blur(24px);
  opacity: 0; visibility: hidden;
  transform: translate3d(0, 22px, 0) scale(.975);
  transition: opacity .45s ease, visibility .45s ease, transform .55s var(--story-ease);
}
.ef-solution-panel.is-active { opacity: 1; visibility: visible; transform: none; }
.ef-solution-panel__copy { align-self: center; }
.ef-solution-panel__copy > p:first-child { margin: 0 0 13px; color: var(--chapter-b); font-size: .52rem; font-weight: 830; letter-spacing: .14em; }
.ef-solution-panel__copy h3 { color: #fff; font-size: clamp(1.65rem, 2.2vw, 2.5rem); line-height: 1.02; letter-spacing: -.055em; }
.ef-solution-panel__copy > p:not(:first-child) { color: rgba(255,255,255,.59); font-size: .75rem; line-height: 1.65; }
.ef-solution-panel__metric { margin-top: 22px; padding-top: 17px; border-top: 1px solid rgba(255,255,255,.11); }
.ef-solution-panel__metric span { display: block; color: rgba(255,255,255,.36); font-size: .48rem; font-weight: 800; letter-spacing: .13em; }
.ef-solution-panel__metric strong { display: block; margin-top: 6px; color: #fff; font-size: .78rem; }
.ef-solution-flow {
  position: relative;
  min-height: 100%;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: center;
  gap: 12px;
  padding: 35px 10px;
  overflow: hidden;
  border-radius: 18px;
  background-color: rgba(255,255,255,.025);
  background-image: radial-gradient(rgba(255,255,255,.11) 1px, transparent 1px);
  background-size: 18px 18px;
}
.ef-solution-flow::before { content: ""; position: absolute; left: 5%; right: 5%; top: 50%; height: 1px; background: linear-gradient(90deg, transparent, var(--chapter-a), var(--chapter-b), transparent); opacity: .55; }
.ef-solution-flow__line { position: absolute; inset: 0; pointer-events: none; }
.ef-solution-flow__line::after { content: ""; position: absolute; top: calc(50% - 4px); left: 5%; width: 8px; height: 8px; border-radius: 50%; background: #fff; box-shadow: 0 0 18px var(--chapter-b); animation: efFlowPacket 3.8s var(--story-ease) infinite; }
.ef-solution-flow__node {
  position: relative;
  z-index: 2;
  min-height: 125px;
  display: flex; flex-direction: column; align-items: flex-start; justify-content: center;
  padding: 15px;
  border: 1px solid rgba(255,255,255,.12); border-radius: 15px;
  background: rgba(13,10,21,.86);
  box-shadow: 0 15px 38px rgba(0,0,0,.26);
  transform: translateY(var(--node-shift, 0));
}
.ef-solution-flow__node:nth-of-type(odd) { --node-shift: -22px; }
.ef-solution-flow__node:nth-of-type(even) { --node-shift: 22px; }
.ef-solution-flow__node > span { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; margin-bottom: 12px; border-radius: 10px; background: color-mix(in srgb, var(--chapter-a) 14%, transparent); color: var(--chapter-a); }
.ef-solution-flow__node:nth-of-type(4) > span,
.ef-solution-flow__node:nth-of-type(5) > span { color: var(--chapter-b); background: color-mix(in srgb, var(--chapter-b) 13%, transparent); }
.ef-solution-flow__node svg { width: 17px; }
.ef-solution-flow__node small { color: rgba(255,255,255,.35); font-size: .43rem; font-weight: 820; letter-spacing: .12em; }
.ef-solution-flow__node strong { margin-top: 6px; color: #fff; font-size: .66rem; line-height: 1.35; }

/* Chapter 03 — projects */
.ef-story-chapter--projects { --chapter-a: #4a8dff; --chapter-b: #8b5cff; }
.ef-projects-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 28px;
  opacity: calc(var(--story-intro) * (1 - var(--story-outro)));
  transform: translateY(calc((1 - var(--story-intro)) * 30px));
}
.ef-projects-heading .ef-story-copy { max-width: 930px; }
.ef-projects-heading .ef-story-copy h2 { font-size: clamp(2.25rem, 3.7vw, 4.2rem); }
.ef-projects-heading__actions { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; flex: 0 0 auto; }
.ef-project-deck__controls { display: flex; align-items: center; gap: 13px; padding-bottom: 0; }
.ef-project-deck__controls button {
  width: 44px; height: 44px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255,255,255,.16); border-radius: 50%;
  background: rgba(255,255,255,.045); color: #fff; cursor: pointer;
  transition: border-color .25s ease, transform .25s var(--story-ease);
}
.ef-project-deck__controls button:first-child svg { transform: rotate(180deg); }
.ef-project-deck__controls button:hover { transform: scale(1.06); border-color: var(--chapter-b); }
.ef-project-deck__controls svg { width: 16px; }
.ef-project-deck__controls p { min-width: 48px; margin: 0; color: rgba(255,255,255,.35); font-size: .52rem; text-align: center; }
.ef-project-deck__controls p span:first-child { color: #fff; font-size: .94rem; }
.ef-project-deck__controls p i { margin: 0 3px; font-style: normal; }
.ef-project-deck {
  overflow: hidden;
  border-radius: 27px;
  opacity: calc(var(--story-mid) * (1 - var(--story-outro)));
  transform: translate3d(0, calc((1 - var(--story-mid)) * 40px), 0) scale(calc(.96 + var(--story-mid) * .04));
  cursor: grab;
  touch-action: pan-y;
}
.ef-project-deck.is-dragging { cursor: grabbing; }
.ef-project-deck__track { display: flex; transition: transform .72s var(--story-ease); will-change: transform; }
.ef-story-project {
  flex: 0 0 100%;
  min-width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr);
  min-height: min(54vh, 505px);
  border: 1px solid rgba(255,255,255,.13); border-radius: 27px;
  overflow: hidden;
  background: rgba(13,10,21,.8);
  box-shadow: 0 35px 95px rgba(0,0,0,.38);
  backdrop-filter: blur(22px);
}
.ef-story-project__visual {
  --project-image: none;
  position: relative;
  min-height: 100%;
  overflow: hidden;
  background:
    radial-gradient(circle at 38% 42%, color-mix(in srgb, var(--chapter-b) 22%, transparent), transparent 30%),
    radial-gradient(circle at 68% 62%, color-mix(in srgb, var(--chapter-a) 18%, transparent), transparent 32%),
    linear-gradient(135deg, #101a36, #0b0913 58%, #1a0f35);
}
.ef-story-project__visual.has-image { background-image: linear-gradient(135deg, rgba(7,8,14,.2), rgba(7,8,14,.76)), var(--project-image); background-size: cover; background-position: center; }
.ef-story-project__visual::before { content: ""; position: absolute; inset: 0; opacity: .26; background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px); background-size: 44px 44px; mask-image: radial-gradient(circle, #000, transparent 80%); }
.ef-story-project__index { position: absolute; left: 24px; top: 20px; color: rgba(255,255,255,.35); font-size: .65rem; font-weight: 800; }
.ef-story-project__status { position: absolute; right: 20px; top: 18px; display: inline-flex; align-items: center; gap: 7px; padding: 7px 10px; border: 1px solid rgba(255,255,255,.15); border-radius: 999px; background: rgba(7,6,12,.45); color: rgba(255,255,255,.72); font-size: .52rem; font-weight: 720; backdrop-filter: blur(10px); }
.ef-story-project__status i { width: 6px; height: 6px; border-radius: 50%; background: var(--chapter-b); box-shadow: 0 0 0 4px color-mix(in srgb, var(--chapter-b) 15%, transparent); }
.ef-project-wireframe { position: absolute; left: 50%; top: 45%; width: 260px; height: 260px; transform: translate(-50%, -50%) rotateX(62deg) rotateZ(45deg); transform-style: preserve-3d; }
.ef-project-wireframe i { position: absolute; inset: calc(var(--wire, 0) * 27px); border: 1px solid rgba(255,255,255,.2); border-radius: 28%; transform: translateZ(calc(var(--wire, 0) * 22px)); }
.ef-project-wireframe i:nth-child(1) { --wire: 0; }
.ef-project-wireframe i:nth-child(2) { --wire: 1; border-color: color-mix(in srgb, var(--chapter-a) 65%, transparent); }
.ef-project-wireframe i:nth-child(3) { --wire: 2; border-color: color-mix(in srgb, var(--chapter-b) 68%, transparent); }
.ef-project-wireframe i:nth-child(4) { --wire: 3; }
.ef-project-wireframe b { position: absolute; inset: 34%; border-radius: 50%; background: radial-gradient(circle at 30% 30%, #fff, var(--chapter-b) 18%, var(--chapter-a) 55%, transparent 70%); filter: blur(1px); box-shadow: 0 0 55px var(--chapter-b); }
.ef-story-project.is-active .ef-project-wireframe { animation: efProjectFloat 7s ease-in-out infinite; }
.ef-project-system-map { position: absolute; left: 50%; bottom: 36px; display: flex; align-items: center; transform: translateX(-50%); }
.ef-project-system-map span { width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,.16); border-radius: 12px; background: rgba(8,7,13,.68); color: #fff; backdrop-filter: blur(10px); }
.ef-project-system-map span:nth-of-type(2n) { color: var(--chapter-b); }
.ef-project-system-map svg { width: 17px; }
.ef-project-system-map i { width: 38px; height: 1px; background: linear-gradient(90deg, rgba(255,255,255,.12), var(--chapter-b), rgba(255,255,255,.12)); }
.ef-story-project__body { display: flex; flex-direction: column; justify-content: center; padding: clamp(30px, 4vw, 54px); }
.ef-story-project__meta { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; color: rgba(255,255,255,.42); font-size: .55rem; font-weight: 780; letter-spacing: .09em; text-transform: uppercase; }
.ef-story-project__meta em { padding: 5px 8px; border: 1px solid rgba(255,255,255,.12); border-radius: 999px; color: var(--chapter-b); font-style: normal; }
.ef-story-project__body h3 { color: #fff; font-size: clamp(2rem, 3vw, 3.4rem); letter-spacing: -.06em; }
.ef-story-project__body > p { color: rgba(255,255,255,.59); font-size: .8rem; line-height: 1.65; }
.ef-story-project__outcome { margin: 18px 0; padding: 16px 0; border-top: 1px solid rgba(255,255,255,.11); border-bottom: 1px solid rgba(255,255,255,.11); }
.ef-story-project__outcome span { display: block; color: rgba(255,255,255,.34); font-size: .47rem; font-weight: 800; letter-spacing: .13em; }
.ef-story-project__outcome strong { display: block; margin-top: 6px; color: #fff; font-size: .76rem; }
.ef-story-project__metric { display: flex; align-items: center; gap: 8px; margin: 0 0 12px !important; color: var(--chapter-b) !important; font-size: .66rem !important; }
.ef-story-project__metric svg { width: 14px; }
.ef-story-project__footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: auto; padding-top: 16px; }
.ef-story-project__footer small { color: rgba(255,255,255,.35); font-size: .52rem; }
.ef-story-project__footer a { display: inline-flex; align-items: center; gap: 8px; color: #fff; font-size: .7rem; font-weight: 740; }
.ef-story-project__footer a svg { width: 14px; color: var(--chapter-b); }
.ef-project-deck__dots { display: flex; justify-content: center; gap: 7px; margin-top: 17px; }
.ef-project-deck__dots button { width: 28px; height: 12px; padding: 0; border: 0; background: none; cursor: pointer; }
.ef-project-deck__dots button span { display: block; width: 100%; height: 2px; background: rgba(255,255,255,.18); transition: background .3s ease, transform .3s ease; }
.ef-project-deck__dots button.is-active span { background: var(--chapter-b); transform: scaleY(2); }
.ef-story-text-link--projects { margin: 0; color: rgba(255,255,255,.72); font-size: .65rem; }

/* Chapter 04 — pricing */
.ef-story-chapter--pricing { --chapter-a: #d9ff4f; --chapter-b: #20d6b5; }
.ef-pricing-chapter__heading {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 40px;
  margin-bottom: 22px;
  opacity: calc(var(--story-intro) * (1 - var(--story-outro)));
  transform: translateY(calc((1 - var(--story-intro)) * 30px));
}
.ef-pricing-chapter__heading .ef-story-copy { max-width: 920px; }
.ef-pricing-chapter__heading .ef-story-copy h2 { max-width: 890px; font-size: clamp(2.15rem, 3.55vw, 4.05rem); }
.ef-story-pricing-toggle { display: flex; padding: 4px; border: 1px solid rgba(255,255,255,.13); border-radius: 999px; background: rgba(255,255,255,.04); }
.ef-story-pricing-toggle button { min-height: 36px; padding: 8px 13px; border: 0; border-radius: 999px; background: transparent; color: rgba(255,255,255,.46); font-size: .58rem; font-weight: 750; cursor: pointer; transition: background .25s ease, color .25s ease; }
.ef-story-pricing-toggle button.is-active { background: var(--chapter-b); color: #07110f; }
.ef-story-pricing-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 13px;
  opacity: calc(var(--story-mid) * (1 - var(--story-outro)));
  transform: translateY(calc((1 - var(--story-mid)) * 36px));
}
.ef-story-price {
  position: relative;
  min-width: 0;
  display: flex; flex-direction: column;
  padding: clamp(20px, 2.2vw, 29px);
  border: 1px solid rgba(255,255,255,.12); border-radius: 22px;
  background: linear-gradient(150deg, rgba(24,22,31,.86), rgba(10,9,15,.82));
  box-shadow: 0 22px 65px rgba(0,0,0,.25);
  backdrop-filter: blur(20px);
  transform-style: preserve-3d;
  transition: border-color .3s ease, box-shadow .3s ease, transform .16s ease;
}
.ef-story-price:hover { border-color: color-mix(in srgb, var(--chapter-b) 52%, transparent); box-shadow: 0 30px 80px rgba(0,0,0,.36); }
.ef-story-price--featured { border-color: color-mix(in srgb, var(--chapter-b) 48%, transparent); background: linear-gradient(150deg, color-mix(in srgb, var(--chapter-b) 13%, #151720), rgba(8,10,13,.9)); }
.ef-story-price__badge { position: absolute; left: 50%; top: -11px; padding: 6px 10px; border-radius: 999px; background: var(--chapter-b); color: #07110f; font-size: .45rem; font-weight: 850; letter-spacing: .1em; transform: translateX(-50%); white-space: nowrap; }
.ef-story-price__top { display: flex; align-items: center; justify-content: space-between; gap: 15px; }
.ef-story-price__top span { color: rgba(255,255,255,.28); font-size: .52rem; }
.ef-story-price__top p { margin: 0; color: var(--chapter-b); font-size: .49rem; font-weight: 820; letter-spacing: .12em; }
.ef-story-price h3 { margin: 17px 0 9px; color: #fff; font-size: clamp(1.4rem, 2vw, 2rem); letter-spacing: -.05em; }
.ef-story-price > p { min-height: 48px; color: rgba(255,255,255,.54); font-size: .66rem; line-height: 1.55; }
.ef-story-price__amount { display: flex; flex-wrap: wrap; align-items: baseline; gap: 7px; margin: 15px 0; padding: 15px 0; border-top: 1px solid rgba(255,255,255,.1); border-bottom: 1px solid rgba(255,255,255,.1); }
.ef-story-price__amount small { width: 100%; color: rgba(255,255,255,.32); font-size: .44rem; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
.ef-story-price__amount strong { color: #fff; font-size: clamp(1.55rem, 2.35vw, 2.45rem); line-height: 1; letter-spacing: -.055em; }
.ef-story-price__amount em { color: rgba(255,255,255,.35); font-size: .5rem; font-style: normal; }
.ef-story-price ul { display: grid; gap: 8px; margin: 0 0 18px; list-style: none; }
.ef-story-price li { display: flex; align-items: flex-start; gap: 7px; color: rgba(255,255,255,.65); font-size: .59rem; }
.ef-story-price li svg { width: 13px; margin-top: 1px; color: var(--chapter-b); }
.ef-story-price .ef-story-button { min-height: 42px; margin-top: auto; padding: 10px 16px; font-size: .65rem; }
.ef-managed-strip {
  display: grid;
  grid-template-columns: 1.1fr 1.5fr .6fr auto;
  align-items: center;
  gap: 25px;
  margin-top: 13px;
  padding: 15px 18px;
  border: 1px solid rgba(255,255,255,.12); border-radius: 18px;
  background: rgba(255,255,255,.035);
  opacity: calc(var(--story-mid) * (1 - var(--story-outro)));
  backdrop-filter: blur(16px);
}
.ef-managed-strip > div:first-child { display: grid; grid-template-columns: 35px 1fr; align-items: center; column-gap: 10px; }
.ef-managed-strip > div:first-child > span { grid-row: 1 / 3; width: 35px; height: 35px; display: inline-flex; align-items: center; justify-content: center; border-radius: 10px; background: color-mix(in srgb, var(--chapter-b) 13%, transparent); color: var(--chapter-b); }
.ef-managed-strip > div:first-child svg { width: 17px; }
.ef-managed-strip p { margin: 0; color: rgba(255,255,255,.5); font-size: .6rem; line-height: 1.5; }
.ef-managed-strip > div:first-child p { color: var(--chapter-b); font-size: .42rem; font-weight: 820; letter-spacing: .12em; }
.ef-managed-strip h3 { margin: 2px 0 0; color: #fff; font-size: .9rem; }
.ef-managed-strip__price { display: flex; flex-wrap: wrap; align-items: baseline; gap: 5px; }
.ef-managed-strip__price small { width: 100%; color: rgba(255,255,255,.33); font-size: .42rem; }
.ef-managed-strip__price strong { color: #fff; font-size: 1.2rem; letter-spacing: -.04em; }
.ef-managed-strip__price em { color: rgba(255,255,255,.36); font-size: .47rem; font-style: normal; }
.ef-managed-strip > button { display: inline-flex; align-items: center; gap: 7px; padding: 9px 12px; border: 1px solid rgba(255,255,255,.15); border-radius: 999px; background: transparent; color: #fff; font-size: .58rem; font-weight: 730; cursor: pointer; }
.ef-managed-strip > button svg { width: 13px; color: var(--chapter-b); }
.ef-story-pricing-note { margin: 10px 0 0; color: rgba(255,255,255,.3); font-size: .48rem; text-align: center; }

/* Chapter 05 — blog */
.ef-story-chapter--blog { --chapter-a: #ff4fa3; --chapter-b: #ffb64d; min-height: 205svh; }
.ef-blog-chapter__heading {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 35px;
  margin-bottom: 24px;
  opacity: calc(var(--story-intro) * (1 - var(--story-outro)));
  transform: translateY(calc((1 - var(--story-intro)) * 30px));
}
.ef-blog-chapter__heading .ef-story-copy { max-width: 900px; }
.ef-blog-chapter__heading .ef-story-copy h2 { max-width: 850px; font-size: clamp(2.15rem, 3.55vw, 4rem); }
.ef-blog-chapter__heading .ef-story-lead { margin-top: 16px; font-size: .82rem; }
.ef-story-blog-grid {
  display: grid; grid-template-columns: minmax(0, 1.18fr) minmax(330px, .82fr); gap: 14px;
  opacity: calc(var(--story-mid) * (1 - var(--story-outro)));
  transform: translateY(calc((1 - var(--story-mid)) * 36px));
}
.ef-story-blog-feature {
  min-width: 0;
  display: grid; grid-template-columns: .9fr 1.1fr;
  min-height: 390px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.13); border-radius: 23px;
  background: rgba(13,10,20,.82);
  box-shadow: 0 28px 80px rgba(0,0,0,.3);
  backdrop-filter: blur(20px);
  transform-style: preserve-3d;
  transition: transform .16s ease;
}
.ef-story-blog-feature__visual {
  --blog-image: none;
  position: relative;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 22px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 45%, color-mix(in srgb, var(--chapter-a) 24%, transparent), transparent 32%),
    radial-gradient(circle at 70% 75%, color-mix(in srgb, var(--chapter-b) 18%, transparent), transparent 35%),
    linear-gradient(145deg, #2d0b27, #110a1d 60%, #25130c);
}
.ef-story-blog-feature__visual.has-image { background-image: linear-gradient(145deg, rgba(10,7,15,.12), rgba(10,7,15,.74)), var(--blog-image); background-size: cover; background-position: center; }
.ef-story-blog-feature__visual > span { position: relative; z-index: 2; color: rgba(255,255,255,.55); font-size: .47rem; font-weight: 800; letter-spacing: .13em; }
.ef-story-blog-feature__visual > strong { position: relative; z-index: 2; color: #fff; font-size: .72rem; }
.ef-blog-orbit { position: absolute; left: 50%; top: 50%; width: 220px; height: 220px; transform: translate(-50%, -50%); }
.ef-blog-orbit i { position: absolute; inset: calc(var(--orbit-index, 0) * 24px); border: 1px solid rgba(255,255,255,.21); border-radius: 50%; transform: rotateX(67deg) rotateZ(calc(var(--orbit-index, 0) * 28deg)); }
.ef-blog-orbit i:nth-child(1) { --orbit-index: 0; }
.ef-blog-orbit i:nth-child(2) { --orbit-index: 1; border-color: color-mix(in srgb, var(--chapter-a) 65%, transparent); }
.ef-blog-orbit i:nth-child(3) { --orbit-index: 2; border-color: color-mix(in srgb, var(--chapter-b) 65%, transparent); }
.ef-blog-orbit b { position: absolute; left: 50%; top: 50%; width: 48px; height: 48px; border-radius: 50%; background: radial-gradient(circle at 32% 28%, #fff, var(--chapter-b) 25%, var(--chapter-a) 70%); box-shadow: 0 0 55px var(--chapter-a); transform: translate(-50%, -50%); }
.ef-story-blog-feature:hover .ef-blog-orbit { animation: efOrbitSpin 12s linear infinite; }
.ef-story-blog-feature__body { display: flex; flex-direction: column; justify-content: center; padding: clamp(25px, 3.2vw, 42px); }
.ef-story-blog-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 13px; color: rgba(255,255,255,.36); font-size: .48rem; font-weight: 720; letter-spacing: .07em; text-transform: uppercase; }
.ef-story-blog-meta span { color: var(--chapter-b); }
.ef-story-blog-meta em { font-style: normal; }
.ef-story-blog-feature h3 { color: #fff; font-size: clamp(1.75rem, 2.6vw, 2.85rem); line-height: 1.04; letter-spacing: -.055em; }
.ef-story-blog-feature__body > p { color: rgba(255,255,255,.56); font-size: .73rem; line-height: 1.62; }
.ef-story-blog-list { display: grid; grid-template-rows: repeat(3, minmax(0, 1fr)); gap: 10px; }
.ef-story-blog-card {
  min-width: 0;
  display: grid; grid-template-columns: 112px 1fr;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.11); border-radius: 18px;
  background: rgba(14,11,22,.74);
  backdrop-filter: blur(17px);
  transition: border-color .28s ease, transform .28s var(--story-ease);
}
.ef-story-blog-card:hover { border-color: color-mix(in srgb, var(--chapter-b) 45%, transparent); transform: translateX(-4px); }
.ef-story-blog-card__visual {
  --blog-image: none;
  position: relative;
  display: flex; align-items: flex-end;
  padding: 13px;
  overflow: hidden;
  background: radial-gradient(circle at 50% 45%, color-mix(in srgb, var(--chapter-a) 22%, transparent), transparent 40%), linear-gradient(145deg, #241020, #0e0b16);
}
.ef-story-blog-card__visual.has-image { background-image: linear-gradient(145deg, rgba(9,7,13,.12), rgba(9,7,13,.68)), var(--blog-image); background-size: cover; background-position: center; }
.ef-story-blog-card__visual span { position: relative; z-index: 2; color: rgba(255,255,255,.42); font-size: .52rem; }
.ef-story-blog-card__visual i { position: absolute; left: 50%; top: 50%; width: 54px; height: 54px; border: 1px solid color-mix(in srgb, var(--chapter-b) 55%, transparent); border-radius: 50%; transform: translate(-50%, -50%); }
.ef-story-blog-card__visual i::after { content: ""; position: absolute; inset: 13px; border-radius: 50%; background: var(--chapter-a); filter: blur(8px); opacity: .55; }
.ef-story-blog-card > div { position: relative; display: flex; flex-direction: column; justify-content: center; padding: 15px 48px 15px 17px; }
.ef-story-blog-card .ef-story-blog-meta { margin-bottom: 7px; }
.ef-story-blog-card h3 { margin: 0; color: #fff; font-size: clamp(.82rem, 1.1vw, 1.03rem); line-height: 1.25; letter-spacing: -.035em; }
.ef-story-blog-card > div > a:last-child { position: absolute; right: 15px; top: 50%; width: 30px; height: 30px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; color: #fff; transform: translateY(-50%); }
.ef-story-blog-card > div > a:last-child svg { width: 13px; }
.ef-story-finale {
  display: flex; align-items: center; justify-content: space-between; gap: 30px;
  margin-top: 14px;
  padding: 18px 21px;
  border: 1px solid rgba(255,255,255,.12); border-radius: 18px;
  background: linear-gradient(100deg, color-mix(in srgb, var(--chapter-a) 10%, transparent), color-mix(in srgb, var(--chapter-b) 8%, transparent));
  opacity: calc(var(--story-mid) * (1 - var(--story-outro) * .45));
  backdrop-filter: blur(17px);
}
.ef-story-finale p { margin: 0 0 4px; color: var(--chapter-b); font-size: .45rem; font-weight: 820; letter-spacing: .13em; }
.ef-story-finale h3 { margin: 0; color: #fff; font-size: clamp(1rem, 1.45vw, 1.35rem); }
.ef-story-finale .ef-story-button { min-height: 44px; padding: 10px 18px; font-size: .68rem; white-space: nowrap; }
.ef-story-back-to-top { position: absolute; left: 50%; bottom: 22px; z-index: 4; display: flex; align-items: center; gap: 11px; padding: 0; border: 0; background: none; color: rgba(255,255,255,.38); font-size: .47rem; font-weight: 760; letter-spacing: .14em; cursor: pointer; transform: translateX(-50%); }
.ef-story-back-to-top i { position: relative; width: 1px; height: 30px; overflow: hidden; background: rgba(255,255,255,.15); }
.ef-story-back-to-top i::after { content: ""; position: absolute; inset: 100% 0 -100%; background: var(--chapter-b); animation: efStoryScroll 2s ease infinite reverse; }

/* Footer harmonisation */
.ef-is-front-page .ef-site-footer { border-top: 1px solid rgba(255,255,255,.08); background: #09070e; }
.ef-is-front-page .ef-footer-brand p,
.ef-is-front-page .ef-site-footer .ef-footer-column p { color: rgba(255,255,255,.52); }

/* Motion */
@keyframes efStoryGrain { 0% { transform: translate3d(0,0,0); } 25% { transform: translate3d(2%, -3%, 0); } 50% { transform: translate3d(-3%, 2%, 0); } 75% { transform: translate3d(3%, 4%, 0); } 100% { transform: translate3d(-2%, -2%, 0); } }
@keyframes efStoryScroll { 0% { transform: translateY(0); } 55%, 100% { transform: translateY(200%); } }
@keyframes efOrbitSpin { to { transform: translate(-50%, -50%) rotate(360deg); } }
@keyframes efStoryBreath { 0%, 100% { opacity: .55; transform: scale(.94); } 50% { opacity: 1; transform: scale(1.06); } }
@keyframes efStoryPulse { 0%, 100% { opacity: .65; } 50% { opacity: 1; box-shadow: 0 0 0 8px color-mix(in srgb, var(--chapter-b) 8%, transparent); } }
@keyframes efFlowPacket { 0% { left: 5%; opacity: 0; } 10% { opacity: 1; } 90% { opacity: 1; } 100% { left: 94%; opacity: 0; } }
@keyframes efProjectFloat { 0%, 100% { transform: translate(-50%, -50%) rotateX(62deg) rotateZ(45deg) translateZ(0); } 50% { transform: translate(-50%, -53%) rotateX(65deg) rotateZ(52deg) translateZ(14px); } }

/* Short desktop viewports */
@media (max-height: 840px) and (min-width: 1025px) {
  .ef-story-chapter__sticky { min-height: 650px; }
  .ef-story-frame { padding-top: 104px; padding-bottom: 56px; }
  .ef-story-copy h1 { font-size: clamp(3rem, 5vw, 5.4rem); }
  .ef-story-copy h2 { font-size: clamp(2.35rem, 4vw, 4.35rem); }
  .ef-service-universe { height: 530px; min-height: 510px; }
  .ef-service-universe::before { width: 360px; height: 360px; }
  .ef-service-universe::after { width: 286px; height: 286px; }
  .ef-service-universe__halo { width: 420px; height: 420px; }
  .ef-service-core { width: 165px; height: 165px; }
  .ef-service-node { width: 142px; min-height: 55px; }
  .ef-service-detail { padding: 22px; }
  .ef-service-details { min-height: 300px; }
  .ef-solutions-panels { height: 410px; min-height: 390px; }
  .ef-solution-panel { padding: 20px; }
  .ef-story-project { min-height: 420px; }
  .ef-story-price { padding: 18px 20px; }
  .ef-story-price h3 { margin-top: 12px; }
  .ef-story-price > p { min-height: 38px; }
  .ef-story-price__amount { margin: 11px 0; padding: 11px 0; }
  .ef-story-price ul { gap: 5px; margin-bottom: 12px; }
  .ef-managed-strip { padding: 11px 15px; }
  .ef-story-blog-feature { min-height: 325px; }
  .ef-story-finale { padding: 12px 18px; }
}

/* Medium desktop and tablet */
@media (max-width: 1280px) {
  .ef-story-header__inner { width: calc(100% - 42px); grid-template-columns: 205px 1fr 205px; }
  .ef-story-header__nav { gap: 15px; }
  .ef-story-header__nav > a { font-size: .66rem; }
  .ef-story-frame { width: calc(100% - 150px); grid-template-columns: minmax(310px, .75fr) minmax(540px, 1.35fr); gap: 42px; }
  .ef-story-frame--wide { grid-template-columns: minmax(285px, .62fr) minmax(600px, 1.38fr); }
  .ef-chapter-rail { left: 10px; }
  .ef-story-readout { right: 24px; }
  .ef-service-universe::before { width: 380px; height: 380px; }
  .ef-service-universe::after { width: 300px; height: 300px; }
  .ef-service-universe__halo { width: 430px; height: 430px; }
  .ef-service-node { width: 138px; }
  .ef-service-node strong { font-size: .6rem; }
  .ef-service-detail { padding: 22px; }
  .ef-solution-panel { grid-template-columns: 220px 1fr; }
  .ef-solution-flow__node { padding: 11px; }
  .ef-story-project { grid-template-columns: 1fr .9fr; }
}

@media (max-width: 1080px) {
  .ef-story-header__inner { grid-template-columns: 205px 1fr auto; }
  .ef-story-header__nav { display: none; }
  .ef-story-menu-toggle { display: block; }
  .ef-story-header__contact,
  .ef-story-header__cta { display: none; }
  .ef-story-header__nav.is-open {
    position: fixed;
    inset: 0;
    z-index: -1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 4px;
    padding: 110px 9vw 60px;
    background: rgba(7,5,12,.97);
    backdrop-filter: blur(26px);
  }
  .ef-story-header__nav.is-open > a { width: 100%; justify-content: flex-start; gap: 16px; padding: 12px 0; color: rgba(255,255,255,.7); font-size: clamp(1.7rem, 5vw, 3rem); letter-spacing: -.04em; }
  .ef-story-header__nav.is-open > a span { min-width: 27px; font-size: .62rem; }
  .ef-story-header__nav.is-open > a::after { display: none; }
  .ef-story-header__mobile-action { display: block; margin-top: 26px; }
  .ef-story-menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3px) rotate(45deg); }
  .ef-story-menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3px) rotate(-45deg); }
  .ef-story-frame { width: calc(100% - 110px); grid-template-columns: minmax(280px, .72fr) minmax(470px, 1.28fr); gap: 28px; }
  .ef-story-copy h1 { font-size: clamp(2.8rem, 5.3vw, 4.7rem); }
  .ef-story-copy h2 { font-size: clamp(2.35rem, 4.5vw, 4rem); }
  .ef-service-universe { height: 560px; min-height: 520px; }
  .ef-service-universe::before { width: 315px; height: 315px; }
  .ef-service-universe::after { width: 250px; height: 250px; }
  .ef-service-universe__halo { width: 360px; height: 360px; }
  .ef-service-core { width: 145px; height: 145px; }
  .ef-service-node { width: 122px; min-height: 51px; grid-template-columns: 29px 1fr; }
  .ef-service-node > span { width: 29px; height: 29px; }
  .ef-service-node em { display: none; }
  .ef-service-details { width: 40%; min-height: 310px; }
  .ef-service-detail { padding: 19px; }
  .ef-service-detail h2 { font-size: 1.7rem; }
  .ef-solution-panel { grid-template-columns: 1fr; }
  .ef-solution-panel__copy { display: grid; grid-template-columns: 1.25fr .75fr; column-gap: 20px; }
  .ef-solution-panel__copy > p:first-child,
  .ef-solution-panel__copy h3 { grid-column: 1; }
  .ef-solution-panel__copy > p:not(:first-child) { grid-column: 1; }
  .ef-solution-panel__metric { grid-column: 2; grid-row: 1 / 4; align-self: center; margin: 0; padding: 18px; border: 1px solid rgba(255,255,255,.1); border-radius: 14px; }
  .ef-solutions-panels { height: 540px; }
  .ef-solution-flow { min-height: 240px; }
  .ef-story-project { grid-template-columns: 1fr 1fr; }
  .ef-story-price > p { min-height: 58px; }
  .ef-managed-strip { grid-template-columns: 1fr 1.2fr .55fr; }
  .ef-managed-strip > button { display: none; }
  .ef-story-blog-feature { grid-template-columns: .8fr 1.2fr; }
}

/* Mobile layout: keep the chapter language, remove scroll trapping. */
@media (max-width: 820px) {
  .ef-is-front-page { overflow-x: hidden; }
  .admin-bar .ef-story-header { top: 46px; }
  .ef-story-header { height: 74px; }
  .ef-story-header__inner { width: calc(100% - 28px); grid-template-columns: 1fr auto; gap: 12px; }
  .ef-story-brand__word strong { font-size: 1rem; }
  .ef-story-brand__word small { font-size: .42rem; }
  .ef-story-brand__symbol { width: 34px; height: 34px; }
  .ef-story-header__actions { grid-column: 2; }
  .ef-story-header__nav.is-open { padding-inline: 25px; }
  .ef-story-header::after { inset-inline: 14px; }
  .ef-story-background__grid { background-size: 46px 46px; opacity: .1; }
  .ef-chapter-rail { display: none; }
  .ef-story-readout { right: 17px; bottom: 15px; padding: 7px 10px; border: 1px solid rgba(255,255,255,.1); border-radius: 999px; background: rgba(8,6,14,.62); backdrop-filter: blur(12px); }
  .ef-story-readout strong { display: none; }
  .ef-story-chapter,
  .ef-story-chapter--blog { min-height: 0; }
  .ef-story-chapter__sticky { position: relative; top: auto; height: auto; min-height: 0; overflow: hidden; padding: 112px 0 78px; }
  .ef-story-chapter__sticky::after { display: none; }
  .ef-story-chapter__number { right: -5vw; top: 78px; font-size: 12rem; opacity: .55; }
  .ef-story-chapter__word { top: 30%; bottom: auto; font-size: 6.5rem; transform: translateX(-50%) rotate(-90deg); opacity: .55; }
  .ef-story-frame,
  .ef-story-frame--wide,
  .ef-story-frame--projects,
  .ef-story-frame--pricing,
  .ef-story-frame--blog {
    width: calc(100% - 32px);
    height: auto;
    padding: 0;
    display: block;
  }
  .ef-story-copy,
  .ef-service-universe,
  .ef-solutions-lab,
  .ef-projects-heading,
  .ef-project-deck,
  .ef-pricing-chapter__heading,
  .ef-story-pricing-grid,
  .ef-managed-strip,
  .ef-blog-chapter__heading,
  .ef-story-blog-grid,
  .ef-story-finale { opacity: 1; transform: none; }
  .ef-story-copy h1 { font-size: clamp(3rem, 14vw, 4.8rem); }
  .ef-story-copy h2 { font-size: clamp(2.45rem, 11vw, 4rem); }
  .ef-story-lead { font-size: .95rem; line-height: 1.65; }
  .ef-story-actions { align-items: stretch; }
  .ef-story-button { min-height: 49px; }
  .ef-story-scroll-cue { display: none; }

  .ef-service-universe { height: auto; min-height: 0; margin-top: 48px; padding: 25px; border: 1px solid rgba(255,255,255,.11); border-radius: 25px; background: rgba(12,9,19,.62); backdrop-filter: blur(18px); }
  .ef-service-universe::before,
  .ef-service-universe::after,
  .ef-service-universe__halo { display: none; }
  .ef-service-core { position: relative; left: auto; top: auto; width: 160px; height: 160px; margin: 0 auto 25px; transform: none; }
  .ef-service-nodes { position: relative; inset: auto; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .ef-service-node,
  .ef-service-node:nth-child(n) { position: relative; inset: auto; width: auto; min-width: 0; min-height: 62px; transform: none; }
  .ef-service-node strong { font-size: .64rem; }
  .ef-service-details { position: relative; right: auto; top: auto; width: auto; min-height: 345px; margin-top: 12px; transform: none; }
  .ef-service-detail { padding: 24px; }

  .ef-solutions-lab { margin-top: 42px; }
  .ef-solutions-tabs { display: flex; overflow-x: auto; padding-bottom: 6px; scrollbar-width: none; }
  .ef-solutions-tabs::-webkit-scrollbar { display: none; }
  .ef-solutions-tabs button { flex: 0 0 150px; }
  .ef-solutions-panels { height: 650px; min-height: 650px; }
  .ef-solution-panel { display: block; padding: 20px; }
  .ef-solution-panel__copy { display: block; }
  .ef-solution-panel__metric { margin-top: 15px; padding: 14px; }
  .ef-solution-flow { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 9px; min-height: 330px; margin-top: 18px; padding: 20px 8px; }
  .ef-solution-flow::before,
  .ef-solution-flow__line { display: none; }
  .ef-solution-flow__node,
  .ef-solution-flow__node:nth-of-type(n) { min-height: 130px; transform: none; }

  .ef-projects-heading,
  .ef-pricing-chapter__heading,
  .ef-blog-chapter__heading { display: block; }
  .ef-projects-heading__actions { align-items: flex-start; margin-top: 23px; }
  .ef-project-deck__controls { margin-top: 0; }
  .ef-project-deck { margin-top: 24px; }
  .ef-story-project { grid-template-columns: 1fr; min-height: 0; }
  .ef-story-project__visual { min-height: 330px; }
  .ef-story-project__body { padding: 26px; }
  .ef-story-project__footer { align-items: flex-start; flex-direction: column; }
  .ef-story-text-link--projects { margin-top: 0; }

  .ef-story-pricing-toggle { width: fit-content; margin-top: 23px; }
  .ef-story-pricing-grid { grid-template-columns: 1fr; gap: 11px; margin-top: 24px; }
  .ef-story-price { padding: 25px; }
  .ef-story-price > p { min-height: 0; }
  .ef-managed-strip { grid-template-columns: 1fr; gap: 13px; margin-top: 11px; padding: 20px; }
  .ef-managed-strip > button { display: inline-flex; justify-self: start; }
  .ef-story-pricing-note { font-size: .55rem; line-height: 1.5; }

  .ef-blog-chapter__heading .ef-story-button { margin-top: 22px; }
  .ef-story-blog-grid { grid-template-columns: 1fr; margin-top: 24px; }
  .ef-story-blog-feature { grid-template-columns: 1fr; }
  .ef-story-blog-feature__visual { min-height: 290px; }
  .ef-story-blog-list { grid-template-rows: none; }
  .ef-story-blog-card { grid-template-columns: 96px 1fr; min-height: 122px; }
  .ef-story-finale { align-items: flex-start; flex-direction: column; padding: 22px; }
  .ef-story-back-to-top { position: relative; left: auto; bottom: auto; margin: 42px auto 0; transform: none; }
}

@media (max-width: 480px) {
  .ef-story-header__inner { width: calc(100% - 22px); }
  .ef-story-brand__word small { letter-spacing: .1em; }
  .ef-story-chapter__sticky { padding-top: 105px; }
  .ef-story-frame { width: calc(100% - 24px); }
  .ef-story-kicker { align-items: flex-start; flex-direction: column; gap: 7px; font-size: .58rem; }
  .ef-story-copy h1 { font-size: clamp(2.75rem, 14.5vw, 4rem); }
  .ef-story-copy h2 { font-size: clamp(2.25rem, 11.5vw, 3.5rem); }
  .ef-story-actions { flex-direction: column; }
  .ef-story-button { width: 100%; }
  .ef-story-proofline { flex-direction: column; }
  .ef-service-universe { padding: 17px; }
  .ef-service-nodes { grid-template-columns: 1fr; }
  .ef-service-details { min-height: 380px; }
  .ef-service-detail { padding: 20px; }
  .ef-solutions-panels { height: 700px; min-height: 700px; }
  .ef-solution-flow__node { padding: 10px; }
  .ef-solution-flow__node strong { font-size: .6rem; }
  .ef-project-wireframe { width: 220px; height: 220px; }
  .ef-project-system-map i { width: 18px; }
  .ef-story-project__body h3 { font-size: 2rem; }
  .ef-story-pricing-toggle { width: 100%; }
  .ef-story-pricing-toggle button { flex: 1; padding-inline: 7px; }
  .ef-story-blog-feature__body { padding: 23px; }
  .ef-story-blog-card { grid-template-columns: 82px 1fr; }
  .ef-story-blog-card > div { padding-left: 13px; padding-right: 42px; }
  .ef-story-blog-meta { font-size: .43rem; }
}

@media (prefers-reduced-motion: reduce) {
  .ef-story-background__grain,
  .ef-service-universe__halo i,
  .ef-service-universe::after,
  .ef-service-core::before,
  .ef-service-core small i,
  .ef-solution-flow__line::after,
  .ef-story-project.is-active .ef-project-wireframe,
  .ef-story-scroll-cue i::after,
  .ef-story-back-to-top i::after { animation: none !important; }
  .ef-story-chapter { min-height: 115svh; }
  .ef-story-chapter__sticky { position: relative; height: auto; min-height: 100svh; }
  .ef-story-copy,
  .ef-service-universe,
  .ef-solutions-lab,
  .ef-projects-heading,
  .ef-project-deck,
  .ef-pricing-chapter__heading,
  .ef-story-pricing-grid,
  .ef-managed-strip,
  .ef-blog-chapter__heading,
  .ef-story-blog-grid,
  .ef-story-finale { opacity: 1 !important; transform: none !important; }
}