/* ISENTROP — Landing page alapstílusok
   Desktop-first: az alap szabályok (media query nélkül) az 1280px-es,
   nem kompromisszumos desktop élményt írják le — ez a fő célközönség
   (B2B döntéshozók, dashboard-nehéz szekciók). Lefelé szűkítés
   max-width media query-kkel: 1279px, 1023px, 767px. */

html {
  scroll-behavior: smooth;
}

body {
  background: var(--color-bg);
  color: var(--color-body);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: 400;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  color: var(--color-heading);
  font-weight: 600;
  line-height: 1.2;
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }

p {
  font-size: var(--fs-body);
  line-height: 1.6;
}

/* ---------- Layout / grid ---------- */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 14, 20, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.logo__mark {
  width: 2.25rem;
  height: auto;
}

.logo__wordmark {
  font-family: var(--font-wordmark);
  font-weight: 600;
  font-size: var(--fs-small);
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-cyan);
  padding-right: 0.32em;
}

/* ---------- Section placeholders ----------
   Ideiglenes vizuális jelölés a struktúra ellenőrzéséhez.
   A tartalommal feltöltéskor eltávolítandó. */

main > section {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px dashed var(--color-border);
}

main > section::before {
  content: attr(id);
  position: absolute;
  top: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-body-dim);
}

.hero::before,
.transformation::before,
.platform-intro::before,
.flow-diagram::before,
.roi-dashboard::before,
.cta-pilot::before,
.contact::before {
  display: none;
}

/* ---------- Scroll offset for sticky header ----------
   A .site-header__inner min-height-jével együtt tartandó karban
   (desktop 5rem, ≤1023px 4.5rem, ≤767px 4rem) + 1px border + kis
   ráhagyás, hogy anchor-scrollnál a header ne fedje a szekció tetejét. */

section[id] {
  scroll-margin-top: calc(5rem + 1px + 1.25rem);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  padding: 0.9rem 1.8rem;
  font-weight: 500;
  font-size: var(--fs-body);
  transition: opacity 0.2s ease, border-color 0.2s ease;
}

.btn--primary {
  background: var(--color-gold);
  color: #1A1206;
}

.btn--primary:hover {
  opacity: 0.88;
}

.btn--ghost {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-cyan);
}

.btn--ghost:hover {
  border-color: var(--color-cyan);
}

/* ---------- Section eyebrow (megosztott, több szekció is használja) ---------- */

.hero__eyebrow,
.section-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-cyan);
}

/* ---------- Mono label helper ---------- */

.mono-label {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---------- Hero ---------- */

.hero {
  min-height: 100vh;
}

.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero__title {
  font-size: var(--fs-h1);
  font-weight: 600;
  color: var(--color-heading);
  margin-top: var(--space-sm);
}

.hero__subtitle {
  font-size: var(--fs-h3);
  color: var(--color-cyan);
  font-weight: 500;
  margin-top: var(--space-md);
}

.hero__body {
  max-width: 42ch;
  color: var(--color-body);
  font-size: var(--fs-body);
  margin-top: var(--space-sm);
}

.hero__cta-group {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-lg);
}

/* ---------- Transformation ---------- */

.transformation {
  min-height: auto;
  padding-block: var(--space-section);
}

.transformation__title {
  margin-top: var(--space-sm);
  max-width: 32ch;
}

.transformation__intro {
  max-width: 60ch;
  margin-top: var(--space-md);
}

.transformation__compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  width: 100%;
}

.transformation__panel {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.transformation__panel--after {
  border-color: rgba(0, 229, 192, 0.35);
}

.transformation__img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.transformation__panel-label {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin: var(--space-md) var(--space-md) 0;
}

.transformation__panel--before .transformation__panel-label {
  color: var(--color-body-dim);
}

.transformation__panel--after .transformation__panel-label {
  color: var(--color-cyan);
}

.transformation__panel-text {
  margin: var(--space-xs) var(--space-md) var(--space-md);
  color: var(--color-body);
}

/* ---------- Platform intro ---------- */

.platform-intro {
  min-height: auto;
  padding-block: var(--space-section);
}

.platform-intro__title {
  margin-top: var(--space-sm);
  max-width: 32ch;
}

.platform-intro__lead {
  max-width: 60ch;
  margin-top: var(--space-md);
}

/* ---------- Platform intro: protocol compatibility matrix ---------- */

.platform-compat {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  margin-top: var(--space-xl);
  width: 100%;
}

.platform-compat__row {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.platform-compat__row + .platform-compat__row {
  margin-top: var(--space-sm);
}

.platform-compat__row-label {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-body-dim);
}

.platform-compat__chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.platform-chip {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  color: var(--color-body-dim);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.35em 0.7em;
}

.platform-compat__supervisory {
  font-size: var(--fs-small);
  color: var(--color-body);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.platform-compat__supervisory strong {
  color: var(--color-heading);
  font-weight: 600;
}

/* ---------- Platform intro: differentiator cards ---------- */

.platform-intro__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xl);
  width: 100%;
}

.platform-card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.platform-card__icon {
  width: 36px;
  height: 36px;
}

.platform-card__icon svg {
  width: 100%;
  height: 100%;
}

.platform-card__title {
  font-family: var(--font-heading);
  color: var(--color-heading);
  font-size: var(--fs-h3);
  margin-top: var(--space-sm);
}

.platform-card__text {
  color: var(--color-body-dim);
  font-size: var(--fs-small);
  margin-top: var(--space-xs);
}

/* ---------- Flow diagram ---------- */

.flow-diagram {
  min-height: auto;
  padding-block: var(--space-section);
  overflow: hidden;
}

.flow-diagram__inner {
  position: relative;
  z-index: 1;
}

.flow-diagram__title {
  margin-top: var(--space-sm);
  max-width: 32ch;
}

.flow-diagram__lead {
  max-width: 60ch;
  margin-top: var(--space-md);
  color: var(--color-body);
}

.flow-diagram__pipeline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
  width: 100%;
}

.flow-node {
  flex: 1;
  max-width: 260px;
  text-align: center;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.flow-node__icon-wrap {
  position: relative;
  width: 48px;
  height: 48px;
  margin-inline: auto;
}

.flow-node__glow {
  position: absolute;
  inset: -14px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 229, 192, 0.45), transparent 70%);
  opacity: 0;
  filter: blur(2px);
  pointer-events: none;
}

.flow-node__icon {
  position: relative;
  width: 100%;
  height: 100%;
}

.flow-node__icon svg {
  width: 100%;
  height: 100%;
}

.flow-node__pulse-core {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(170, 255, 235, 0.95), rgba(0, 229, 192, 0.55) 55%, transparent 80%);
  box-shadow: 0 0 7px 1px rgba(0, 229, 192, 0.55);
  pointer-events: none;
  animation: flow-pulse-core 2s ease-in-out infinite;
}

@keyframes flow-pulse-core {
  0%, 100% { opacity: 0.6; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.1); }
}

.flow-node__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-cyan-dim);
  margin-top: var(--space-sm);
}

.flow-node__label {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  color: var(--color-heading);
  font-weight: 600;
  margin-top: 0.3rem;
}

.flow-node__desc {
  font-size: var(--fs-small);
  color: var(--color-body-dim);
  margin-top: var(--space-xs);
}

.flow-diagram__connector {
  flex: 0 0 90px;
  height: 24px;
  margin-top: 24px;
}

.flow-diagram__connector-track {
  stroke: var(--color-border);
  stroke-width: 2;
  fill: none;
}

.flow-diagram__connector-path {
  stroke: var(--color-cyan);
  stroke-width: 2;
  stroke-linecap: round;
  fill: none;
}

/* ---- Fázis 1: háttér adatpontok (state: onEnter/onLeave class toggle, own infinite CSS loop) ---- */

.flow-diagram__data-points {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.flow-diagram--phase1 .flow-diagram__data-points {
  opacity: 1;
}

.flow-diagram__data-point {
  position: absolute;
  font-family: var(--font-mono);
  font-weight: 300;
  font-size: 9px;
  letter-spacing: 0.04em;
  color: var(--color-cyan-dim);
  opacity: 0;
  animation: flow-data-blink 2.6s ease-in-out infinite;
}

.flow-diagram__data-point--1 { top: 8%;  left: 6%;  animation-delay: 0s; }
.flow-diagram__data-point--2 { top: 18%; left: 82%; animation-delay: 0.6s; }
.flow-diagram__data-point--3 { top: 42%; left: 11%; animation-delay: 1.1s; }
.flow-diagram__data-point--4 { top: 62%; left: 90%; animation-delay: 0.3s; }
.flow-diagram__data-point--5 { top: 78%; left: 22%; animation-delay: 1.6s; }
.flow-diagram__data-point--6 { top: 14%; left: 48%; animation-delay: 0.9s; }
.flow-diagram__data-point--7 { top: 86%; left: 62%; animation-delay: 0.2s; }
.flow-diagram__data-point--8 { top: 50%; left: 71%; animation-delay: 1.3s; }

@keyframes flow-data-blink {
  0%, 78%   { opacity: 0; }
  84%       { opacity: 0.6; }
  92%       { opacity: 0.35; }
  100%      { opacity: 0; }
}

/* ---- Fázis 2: AI "analyzing" koncentrikus hullám ----
   Class-vezérelt (.flow-node--analyzing add/remove ScrollTrigger onEnter/onLeave/
   onEnterBack/onLeaveBack eseményekkel), NEM scrubbal — a keyframe-loop önálló
   ütemben fut, függetlenül a scroll-pozíciótól, amíg a class jelen van. */

.flow-node--analyzing .flow-ai-contour--c1 {
  animation: flow-contour-wave-c1 1.4s ease-in-out infinite;
  animation-delay: 0s;
}

.flow-node--analyzing .flow-ai-contour--c3 {
  animation: flow-contour-wave-c3 1.4s ease-in-out infinite;
  animation-delay: 0.35s;
}

.flow-node--analyzing .flow-ai-contour--c5 {
  animation: flow-contour-wave-c5 1.4s ease-in-out infinite;
  animation-delay: 0.7s;
}

.flow-node--analyzing .flow-ai-contour--c7 {
  animation: flow-contour-wave-c7 1.4s ease-in-out infinite;
  animation-delay: 1.05s;
}

/* Egyedi keyframe-ek rétegenként: a filter mindig tartalmazza az eredeti
   url(#flow-ai-glow-N) blur-referenciát is, mert a CSS `filter` property
   felülírná (nem összegezné) az SVG `filter` presentation attribútumot. */

@keyframes flow-contour-wave-c1 {
  0%, 25%, 100% { filter: url(#flow-ai-glow-1); stroke-width: 1; }
  10%           { filter: url(#flow-ai-glow-1) brightness(2.2); stroke-width: 1.6; }
}

@keyframes flow-contour-wave-c3 {
  0%, 25%, 100% { filter: url(#flow-ai-glow-2); stroke-width: 0.95; }
  10%           { filter: url(#flow-ai-glow-2) brightness(2.2); stroke-width: 1.5; }
}

@keyframes flow-contour-wave-c5 {
  0%, 25%, 100% { filter: url(#flow-ai-glow-3); stroke-width: 0.9; }
  10%           { filter: url(#flow-ai-glow-3) brightness(2.2); stroke-width: 1.4; }
}

@keyframes flow-contour-wave-c7 {
  0%, 25%, 100% { filter: url(#flow-ai-glow-4); stroke-width: 0.85; }
  10%           { filter: url(#flow-ai-glow-4) brightness(2.2); stroke-width: 1.3; }
}

/* ---- Státusz-sáv (scrub-vezérelt szövegváltás, a fő pin-elt timeline-hoz kötve) ---- */

.flow-diagram__status-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  width: fit-content;
  margin: var(--space-lg) auto 0;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 0.6em 1.2em;
}

.flow-diagram__status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex: none;
  background: var(--color-cyan);
  box-shadow: 0 0 0 0 rgba(0, 229, 192, 0.6);
  animation: roi-pulse 2s ease-out infinite;
}

.flow-diagram__status-text {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.06em;
  color: var(--color-body);
  white-space: nowrap;
}

/* ---- Fázis 3: arany KPI-számláló (scrub-vezérelt, a fő timeline-hoz kötve) ---- */

.flow-kpi {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.flow-kpi__value {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  font-weight: 600;
  color: var(--color-gold);
  line-height: 1;
}

.flow-kpi__axis {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  margin-top: 0.5rem;
}

.flow-kpi__axis-line {
  width: 28px;
  height: 1px;
  background: var(--color-border);
}

.flow-kpi__axis-unit {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  color: var(--color-body-dim);
}

.flow-kpi__caption {
  font-size: var(--fs-mono);
  font-family: var(--font-mono);
  color: var(--color-body-dim);
  margin-top: 0.35rem;
}

/* ---------- ROI dashboard ---------- */

.roi-dashboard {
  min-height: auto;
  padding-block: var(--space-section);
}

.roi-dashboard__title {
  margin-top: var(--space-sm);
  max-width: 32ch;
}

.roi-dashboard__lead {
  max-width: 60ch;
  margin-top: var(--space-md);
}

/* Tabs */

.roi-tabs {
  display: flex;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  border-bottom: 1px solid var(--color-border);
}

.roi-tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 0 0 var(--space-sm);
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  font-weight: 500;
  color: var(--color-body-dim);
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.roi-tab:hover {
  color: var(--color-body);
}

.roi-tab--active {
  color: var(--color-cyan);
  border-bottom-color: var(--color-cyan);
}

/* KPI counters */

.roi-kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xl);
  width: 100%;
}

.roi-kpi__value {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 3vw + 1rem, 3.2rem);
  font-weight: 600;
  color: var(--color-heading);
  line-height: 1;
}

.roi-kpi__label {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.06em;
  color: var(--color-body-dim);
  margin-top: var(--space-xs);
}

/* Dashboard panel */

.roi-panel {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-top: var(--space-xl);
  width: 100%;
}

.roi-panel__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.roi-panel__chips {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.roi-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  color: var(--color-body);
  background: rgba(0, 200, 180, 0.06);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 0.35em 0.8em;
}

.roi-chip__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex: none;
}

.roi-chip__dot--hi {
  background: var(--color-accent-hi);
}

.roi-chip__dot--warn {
  background: var(--color-accent-warn);
}

.roi-panel__live {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-cyan);
}

.roi-panel__live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent-hi);
  box-shadow: 0 0 0 0 rgba(0, 229, 192, 0.6);
  animation: roi-pulse 2s ease-out infinite;
}

@keyframes roi-pulse {
  0% { box-shadow: 0 0 0 0 rgba(0, 229, 192, 0.5); }
  70% { box-shadow: 0 0 0 8px rgba(0, 229, 192, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 229, 192, 0); }
}

/* Mini panels: sparkline / bar chart / gauge */

.roi-mini-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.roi-mini-panel {
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-sm);
}

.roi-mini-panel__label {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.04em;
  color: var(--color-body-dim);
}

.roi-sparkline,
.roi-barchart {
  width: 100%;
  height: auto;
  margin-top: var(--space-xs);
}

.roi-mini-panel--gauge {
  text-align: center;
}

.roi-gauge {
  width: 100%;
  max-width: 160px;
  height: auto;
  margin-top: var(--space-xs);
}

.roi-gauge__arc {
  transition: stroke-dashoffset 0.3s ease;
}

.roi-gauge__value {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  color: var(--color-heading);
  margin-top: calc(-1 * var(--space-md));
}

.roi-gauge__target {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  color: var(--color-body-dim);
  margin-top: 0.15rem;
}

/* Alert overview grid */

.roi-alert {
  margin-top: var(--space-lg);
}

.roi-alert__title {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.06em;
  color: var(--color-body-dim);
  margin-bottom: var(--space-xs);
}

.roi-alert__grid {
  display: grid;
  grid-template-columns: 5rem repeat(4, 1fr);
  gap: 4px;
}

.roi-alert__cell {
  min-height: 1.8rem;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.roi-alert__cell--head {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  color: var(--color-body-dim);
  justify-content: flex-start;
}

.roi-alert__cell--ok {
  background: rgba(0, 229, 192, 0.28);
}

.roi-alert__cell--warn {
  background: rgba(200, 134, 0, 0.35);
}

/* Event log */

.roi-log {
  margin-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.roi-log__row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding-block: 0.6rem;
  border-bottom: 1px solid var(--color-border);
}

.roi-log__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex: none;
}

.roi-log__dot--ok {
  background: var(--color-accent-hi);
}

.roi-log__dot--warn {
  background: var(--color-accent-warn);
}

.roi-log__time {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  color: var(--color-body-dim);
  width: 3.4em;
  flex: none;
}

.roi-log__text {
  font-size: var(--fs-small);
  color: var(--color-body);
  flex: 1 1 auto;
  min-width: 0;
}

/* Building cards */

.roi-buildings {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.roi-building-card {
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-sm);
}

.roi-building-card__pct {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  color: var(--color-heading);
  font-weight: 600;
}

.roi-building-card__name {
  font-size: var(--fs-body);
  font-weight: 600;
  margin-top: 0.2rem;
}

.roi-building-card__desc {
  font-size: var(--fs-small);
  color: var(--color-body-dim);
  margin-top: 0.3rem;
}

.roi-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  border-radius: var(--radius-pill);
  padding: 0.3em 0.7em;
  margin-top: var(--space-sm);
}

.roi-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.roi-badge--stable {
  color: var(--color-accent-hi);
  background: rgba(0, 229, 192, 0.1);
}

.roi-badge--stable::before {
  background: var(--color-accent-hi);
}

.roi-badge--watch {
  color: var(--color-gold);
  background: rgba(200, 134, 0, 0.12);
}

.roi-badge--watch::before {
  background: var(--color-gold);
}

.roi-badge--active {
  color: var(--color-cyan-dim);
  background: rgba(0, 191, 165, 0.1);
}

.roi-badge--active::before {
  background: var(--color-cyan-dim);
}

/* ---------- CTA / Pilot ---------- */

.cta-pilot {
  min-height: auto;
  padding-block: var(--space-section);
}

.cta-pilot__title {
  margin-top: var(--space-sm);
  max-width: 32ch;
}

.cta-pilot__lead {
  max-width: 60ch;
  margin-top: var(--space-md);
  color: var(--color-body);
}

.cta-pilot__values {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  width: 100%;
  list-style: none;
}

.cta-pilot__value {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--fs-small);
  color: var(--color-body);
}

.cta-pilot__value-icon {
  width: 20px;
  height: 20px;
  flex: none;
}

.cta-pilot__value-icon svg {
  width: 100%;
  height: 100%;
}

.cta-pilot__actions {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
  margin-top: var(--space-xl);
}

.cta-pilot__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  color: var(--color-body);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 0.25em;
  text-decoration-color: var(--color-border);
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.cta-pilot__link:hover {
  color: var(--color-cyan);
  text-decoration-color: var(--color-cyan);
}

.cta-pilot__link-arrow {
  transition: transform 0.2s ease;
}

.cta-pilot__link:hover .cta-pilot__link-arrow {
  transform: translateX(3px);
}

/* ---------- Contact ----------
   Egyetlen hely az oldalon, ahol a mező- és gomb-radius tudatosan
   eltér a többi kártya visszafogott ~10px-jétől (16-24px mezőkön,
   pirula a submit gombon) — ev.analytica referencia-mintázat, nem
   terjesztendő ki más szekcióra. */

.contact {
  min-height: 100vh;
  padding-block: var(--space-section);
  position: relative;
  overflow: hidden;
}

.contact__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.contact__bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(0, 229, 192, 0.16) 1px, transparent 1.5px);
  background-size: 32px 32px;
  opacity: 0.55;
}

.contact__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(11, 14, 20, 0.55) 0%, rgba(11, 14, 20, 0.15) 55%, transparent 75%);
}

.contact__node {
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-cyan);
  box-shadow: 0 0 8px 1px rgba(0, 229, 192, 0.5);
  opacity: 0.5;
  will-change: opacity, transform;
  animation: contact-node-breathe 3s ease-in-out infinite;
}

.contact__node--1  { top: 12%; left: 8%;  animation-delay: 0s; }
.contact__node--2  { top: 22%; left: 88%; animation-delay: 0.4s; }
.contact__node--3  { top: 68%; left: 15%; animation-delay: 0.8s; }
.contact__node--4  { top: 82%; left: 92%; animation-delay: 1.2s; }
.contact__node--5  { top: 45%; left: 5%;  animation-delay: 1.6s; }
.contact__node--6  { top: 8%;  left: 55%; animation-delay: 2s; }
.contact__node--7  { top: 92%; left: 48%; animation-delay: 0.2s; }
.contact__node--8  { top: 35%; left: 95%; animation-delay: 1s; }
.contact__node--9  { top: 58%; left: 78%; animation-delay: 2.4s; }
.contact__node--10 { top: 15%; left: 32%; animation-delay: 1.8s; }

@keyframes contact-node-breathe {
  0%, 100% { opacity: 0.5; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.15); }
}

.contact__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.contact__title {
  margin-top: var(--space-sm);
  max-width: 28ch;
}

.contact__lead {
  max-width: 50ch;
  margin-top: var(--space-md);
  color: var(--color-body);
}

/* Form */

.contact__form {
  width: 100%;
  max-width: 640px;
  margin-top: var(--space-xl);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  backdrop-filter: blur(10px);
  text-align: left;
}

.contact__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-field {
  margin-top: var(--space-md);
}

.contact__row > .form-field {
  margin-top: 0;
}

.form-field__label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-body-dim);
  margin-bottom: var(--space-xs);
}

.form-field__input {
  width: 100%;
  background: rgba(0, 180, 160, 0.05);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  padding: 0.85rem 1.1rem;
  color: var(--color-heading);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  transition: border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.form-field__input::placeholder {
  color: var(--color-body-dim);
}

.form-field__input:focus {
  outline: none;
  border-color: var(--color-cyan);
  box-shadow: 0 0 0 3px rgba(0, 229, 192, 0.15), 0 0 16px rgba(0, 229, 192, 0.15);
  background: rgba(0, 180, 160, 0.08);
}

.form-field__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236A9BA8' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1.1rem center;
  background-size: 12px;
  padding-right: 2.6rem;
}

.form-field__select:invalid {
  color: var(--color-body-dim);
}

.form-field__textarea {
  resize: vertical;
  min-height: 120px;
}

.form-field__error {
  display: none;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  color: var(--color-error);
  margin-top: 0.4rem;
}

.form-field--error .form-field__input {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(232, 92, 92, 0.15);
}

.form-field--error .form-field__label {
  color: var(--color-error);
}

.form-field--error .form-field__error {
  display: block;
}

.form-field--shake {
  animation: form-field-shake 0.4s ease;
}

@keyframes form-field-shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(5px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(3px); }
}

.contact__submit {
  display: block;
  width: 100%;
  margin-top: var(--space-lg);
  border-radius: 9999px;
  border: none;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.contact__submit:hover {
  transform: scale(1.04);
  box-shadow: 0 0 24px rgba(200, 134, 0, 0.35);
}

.contact__submit:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: 3px;
}

/* Success state */

.contact__success {
  width: 100%;
  max-width: 640px;
  margin-top: var(--space-xl);
  background: var(--color-bg-elevated);
  border: 1px solid rgba(0, 229, 192, 0.35);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
}

.contact__success-icon {
  width: 44px;
  height: 44px;
  margin-inline: auto;
  border-radius: 50%;
  border: 1px solid rgba(0, 229, 192, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact__success-icon svg {
  width: 22px;
  height: 22px;
}

.contact__success-title {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  color: var(--color-heading);
  font-weight: 600;
  margin-top: var(--space-sm);
}

.contact__success-text {
  color: var(--color-body);
  margin-top: var(--space-xs);
}

.site-footer {
  min-height: 20vh;
  display: flex;
  align-items: center;
  justify-content: center;
  border-top: 1px solid var(--color-border);
}

/* ---------- Breakpoints ----------
   Desktop-first: az alapállapot fent már az 1280px-es célnézet,
   ezért itt csak lefelé szűkítünk. */

@media (max-width: 1279px) {
  /* tablet / kisebb desktop finomhangolás */
  main > section {
    min-height: 65vh;
  }
}

@media (max-width: 1023px) {
  /* tablet */
  .site-header__inner {
    min-height: 4.5rem;
  }

  section[id] {
    scroll-margin-top: calc(4.5rem + 1px + 1.25rem);
  }

  main > section {
    min-height: 60vh;
  }

  .platform-intro__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .roi-mini-grid {
    grid-template-columns: 1fr;
  }

  .roi-buildings {
    grid-template-columns: repeat(2, 1fr);
  }

  .roi-alert__grid {
    grid-template-columns: 4rem repeat(4, 1fr);
  }
}

@media (max-width: 767px) {
  /* mobil */
  .site-header__inner {
    min-height: 4rem;
  }

  section[id] {
    scroll-margin-top: calc(4rem + 1px + 1.25rem);
  }

  .logo__wordmark {
    letter-spacing: 0.22em;
  }

  main > section {
    min-height: 50vh;
  }

  .site-footer {
    min-height: 16vh;
  }

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

  .platform-intro__grid {
    grid-template-columns: 1fr;
  }

  .flow-diagram__pipeline {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-lg);
  }

  .flow-diagram__connector {
    display: none;
  }

  .flow-node {
    max-width: none;
    width: 100%;
    position: relative;
  }

  .flow-node:not(:first-child)::before {
    content: "";
    position: absolute;
    top: calc(-1 * var(--space-lg));
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: var(--space-lg);
    background: linear-gradient(to bottom, #00E5C0, #2062CC);
  }

  .roi-tabs {
    gap: var(--space-md);
  }

  .roi-kpis {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .roi-panel {
    padding: var(--space-md);
  }

  .roi-buildings {
    grid-template-columns: 1fr;
  }

  .roi-alert {
    overflow-x: auto;
  }

  .roi-alert__grid {
    grid-template-columns: 3.4rem repeat(4, minmax(3.2rem, 1fr));
    min-width: 26rem;
  }

  .roi-alert__cell--head {
    font-size: 0.65rem;
  }

  .cta-pilot__values {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .cta-pilot__actions {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }

  .contact {
    min-height: auto;
  }

  .contact__form {
    padding: var(--space-md);
  }

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