@property --dial-sweep {
  syntax: "<angle>";
  inherits: false;
  initial-value: 360deg;
}

:root {
  --dial-sweep: 360deg;
  --ease-out-soft: cubic-bezier(0.22, 0.9, 0.28, 1);
  --ink: #061225;
  --ink-soft: #0b1a2e;
  --deep: #081a33;
  --bone: #f3f0e7;
  --paper: #fbfaf6;
  --muted: #9fb0b4;
  --line: rgba(255, 255, 255, 0.14);
  --line-dark: rgba(6, 18, 37, 0.14);
  --cyan: #35d3c4;
  --blue: #1ea7ff;
  --mint: #b7f497;
  --copper: #c96e3e;
  --radius-sm: 4px;
  --radius-md: 10px;
  --container: 1240px;
  --header-height: 88px;
  --font-sans: "Pretendard", "SUIT", "Apple SD Gothic Neo", "Noto Sans KR", Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Pretendard", "SUIT", "Apple SD Gothic Neo", "Noto Sans KR", Inter, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

h1,
h2,
h3,
p,
li,
dt,
dd {
  overflow-wrap: break-word;
  word-break: keep-all;
}

button {
  cursor: pointer;
}

a {
  color: inherit;
}

::selection {
  color: var(--ink);
  background: var(--cyan);
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: var(--ink);
  background: var(--cyan);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

.skip-link:focus-visible {
  transform: translateY(0);
}

.container {
  width: min(calc(100% - 80px), var(--container));
  margin-inline: auto;
}

/* Typography scale */
.dial__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

p,
li,
dd {
  text-wrap: pretty;
}
h1,
h2 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.008em;
  line-height: 1.1;
}

.section-lead {
  max-width: 620px;
  margin: 22px 0 0;
  color: #5c686b;
  font-size: 1.02rem;
  line-height: 1.75;
}

.section--deep .section-lead,
.cta p {
  color: rgba(243, 240, 231, 0.68);
}

/* Buttons */
.button {
  position: relative;
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  transition: color 200ms ease, background 200ms ease, border-color 200ms ease;
}

.button--outline {
  color: var(--bone);
  border-color: rgba(183, 244, 151, 0.7);
}

.button--outline:hover,
.button--outline:focus-visible {
  color: var(--ink);
  background: var(--mint);
  border-color: var(--mint);
}

.button--small {
  min-height: 42px;
  padding: 9px 20px;
  font-size: 0.82rem;
}

/* Header */
.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  right: 0;
  left: 0;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 240ms ease, border-color 240ms ease;
}

/* keeps the nav readable where the hero curve runs under it */
.site-header::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 18, 37, 0.78), rgba(6, 18, 37, 0));
  transition: opacity 240ms ease;
  content: "";
}

.site-header.is-scrolled::before {
  opacity: 0;
}

.site-header.is-scrolled {
  background: rgba(6, 18, 37, 0.94);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--line);
}

.site-header__inner {
  display: flex;
  min-height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: block;
  text-decoration: none;
}

.brand__frame {
  display: block;
  width: 152px;
}

.brand__frame img {
  width: 100%;
  height: auto;
}

.header-side {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang-switch {
  display: flex;
  align-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.lang-switch a {
  display: inline-flex;
  min-width: 44px;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  color: rgba(243, 240, 231, 0.6);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-decoration: none;
  transition: color 200ms ease, background 200ms ease;
}

.lang-switch a:hover {
  color: var(--bone);
}

.lang-switch a[aria-current="page"] {
  color: var(--ink);
  background: var(--mint);
}

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.nav-toggle__line {
  display: block;
  width: 20px;
  height: 1.5px;
  margin: 4px auto;
  background: var(--bone);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.2vw, 38px);
  margin-left: auto;
}

.site-nav > a:not(.button) {
  position: relative;
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  color: var(--bone);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
}

.site-nav > a:not(.button)::after {
  position: absolute;
  right: 0;
  bottom: 8px;
  left: 0;
  height: 1.5px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 200ms ease;
  content: "";
}

.site-nav > a:hover::after,
.site-nav > a.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Hero */
.hero {
  position: relative;
  color: var(--bone);
  background: var(--ink);
}

.hero__field {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(58% 70% at 76% 46%, rgba(30, 167, 255, 0.16) 0%, transparent 70%),
    radial-gradient(46% 60% at 84% 52%, rgba(53, 211, 196, 0.14) 0%, transparent 72%),
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: auto, auto, 44px 44px, 44px 44px;
}

/* Pressure/field lines — a converging bundle, not a single ribbon */
.hero__flow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: max(1440px, 104%);
  height: auto;
  transform: translate(-50%, -50%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 26%, #000 100%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 26%, #000 100%);
}

.hero__stage {
  position: relative;
  display: flex;
  min-height: 100svh;
  align-items: center;
  overflow: hidden;
  padding: calc(var(--header-height) + 60px) 0 80px;
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 70px;
  align-items: center;
}

.hero__copy {
  max-width: 660px;
}

.hero h1 {
  display: grid;
  margin: 0;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
}

.hero__lead {
  max-width: 520px;
  margin: 30px 0 0;
  color: var(--mint);
  font-size: clamp(1rem, 1.5vw, 1.28rem);
  line-height: 1.6;
}

.nb {
  white-space: nowrap;
}

.hero__cta {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  margin-top: 46px;
  padding: 15px 34px;
  color: var(--ink);
  background: var(--mint);
  border: 1px solid var(--mint);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: -0.005em;
  text-decoration: none;
  transition: background 200ms ease, border-color 200ms ease, color 200ms ease;
}

.hero__cta:hover,
.hero__cta:focus-visible {
  color: var(--mint);
  background: transparent;
  border-color: var(--mint);
}

.dial {
  position: relative;
  display: grid;
  width: min(31vw, 350px);
  aspect-ratio: 1;
  padding: 19%;
  place-content: center;
  text-align: center;
}

.dial::before {
  position: absolute;
  z-index: 0;
  inset: 7%;
  background: radial-gradient(
    118% 118% at 18% 98%,
    #86ad2b 0%,
    #4f9445 22%,
    #1d7f6e 46%,
    #14607e 70%,
    #103f6b 88%,
    #0d2748 100%
  );
  border-radius: 50%;
  content: "";
}

.dial__label,
.dial__value,
.dial__note {
  position: relative;
  z-index: 1;
}

.dial__ring {
  position: absolute;
  z-index: 0;
  inset: 0;
  background: conic-gradient(from 200deg, var(--cyan), var(--blue) 46%, #0d2b4d 72%, var(--cyan));
  border-radius: 50%;
  -webkit-mask:
    radial-gradient(circle, transparent 62%, #000 63%),
    conic-gradient(from 200deg, #000 0 var(--dial-sweep), transparent var(--dial-sweep) 360deg);
  -webkit-mask-composite: source-in;
  mask:
    radial-gradient(circle, transparent 62%, #000 63%),
    conic-gradient(from 200deg, #000 0 var(--dial-sweep), transparent var(--dial-sweep) 360deg);
  mask-composite: intersect;
}

.dial__label {
  color: rgba(243, 240, 231, 0.82);
}

.dial__value {
  display: block;
  margin: 10px 0 8px;
  color: var(--bone);
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 4.6vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.008em;
  line-height: 1;
}

.dial__value small {
  color: rgba(243, 240, 231, 0.78);
  font-size: 0.34em;
  letter-spacing: 0;
}

.dial__note {
  color: rgba(243, 240, 231, 0.84);
  font-size: 0.76rem;
  line-height: 1.6;
}

.hero__foot {

  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 60px 72px;
  align-items: center;
  padding-bottom: 140px;
}

.hero__foot h2 {
  margin: 0;
  font-size: clamp(2.2rem, 4vw, 3.9rem);
}

.hero__foot-body p {
  margin: 0;
  color: rgba(243, 240, 231, 0.68);
  font-size: 1.02rem;
}

.claim-list {
  display: grid;
  gap: 0;
  margin: 34px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.claim-list li {
  display: flex;
  min-height: 62px;
  align-items: center;
  gap: 18px;
  border-bottom: 1px solid var(--line);
  font-size: 1rem;
  font-weight: 650;
}

.claim-list span {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

/* Section frame */
.section {
  padding: 150px 0;
}

.section--deep {
  position: relative;
  overflow: hidden;
  color: var(--bone);
  background: linear-gradient(180deg, var(--ink) 0%, var(--deep) 100%);
}

.section--deep > .container {
  position: relative;
  z-index: 1;
}

.section-flow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: max(1440px, 108%);
  height: auto;
  opacity: 0.72;
  transform: translate(-50%, -50%);
  -webkit-mask-image: linear-gradient(105deg, transparent 0%, #000 24%, #000 78%, transparent 100%);
  mask-image: linear-gradient(105deg, transparent 0%, #000 24%, #000 78%, transparent 100%);
}

.section--bone {
  background: #efece2;
}

.section-head {
  max-width: 900px;
  margin-bottom: 74px;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(1.9rem, 3.3vw, 3rem);
}

/* Applications */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 26px;
}

.industry-card {
  overflow: hidden;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.industry-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.industry-card__body {
  padding: 26px 24px 30px;
}

.industry-card h3 {
  margin: 0 0 12px;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}

.industry-card p {
  margin: 0;
  color: rgba(243, 240, 231, 0.62);
  font-size: 0.88rem;
  line-height: 1.65;
}

/* Process — four stages across one rail */
.process-visual {
  margin: 0 0 26px;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.process-visual img {
  width: 100%;
  height: clamp(240px, 30vw, 420px);
  object-fit: cover;
}

.step-rail {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.step-rail li {
  padding: 26px 24px 30px;
  background: #fff;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-md);
}

.step-rail__no {
  display: block;
  margin: 0 0 12px;
  color: var(--copper);
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1;
}

.step-rail h3 {
  margin: 0 0 10px;
  font-size: 1.06rem;
  letter-spacing: -0.02em;
}

.step-rail li > p:last-child {
  margin: 0;
  color: #5c686b;
  font-size: 0.9rem;
  line-height: 1.7;
}

/* Proof */
.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
}

.proof-card {
  padding: 42px 36px 46px;
  background: #fff;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-md);
}

.proof-card__index {
  margin: 0 0 26px;
}

.proof-card__index span {
  display: inline-flex;
  min-width: 40px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--copper);
  color: var(--copper);
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1;
}

.proof-card__value {
  margin: 0 0 18px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 2.9vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.008em;
  line-height: 1;
}

.proof-card__value small {
  margin-left: 4px;
  font-size: 0.3em;
  letter-spacing: 0;
}

.proof-card__value--patent {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 1.9vw, 1.9rem);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.proof-card h3 {
  margin: 0 0 14px;
  font-size: 1.02rem;
  letter-spacing: -0.02em;
  line-height: 1.5;
}

.proof-card > p:last-child {
  margin: 0;
  color: #5c686b;
  font-size: 0.9rem;
}

/* ESCO savings */
.saving-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--line-dark);
}

.saving-row > div {
  padding: 46px 40px 46px 0;
  border-bottom: 1px solid var(--line-dark);
}

.saving-row > div + div {
  padding-left: 40px;
  border-left: 1px solid var(--line-dark);
}

.saving-row dt {
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 3.8vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -0.008em;
  line-height: 1;
}

.saving-row dt span {
  margin-left: 8px;
  color: var(--copper);
  font-size: 0.3em;
  letter-spacing: 0;
}

.saving-row dd {
  max-width: 260px;
  margin: 18px 0 0;
  color: #5c686b;
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Closing CTA */
.cta {
  position: relative;
  overflow: hidden;
  padding: 150px 0;
  color: var(--bone);
  background: radial-gradient(120% 140% at 50% 0%, #10315c 0%, var(--ink) 62%);
}

.cta__inner {
  max-width: 760px;
  margin-inline: auto;
  text-align: center;
}

.cta h2 {
  margin: 0;
  font-size: clamp(1.9rem, 3.3vw, 3rem);
}

.cta p {
  max-width: 560px;
  text-wrap: balance;
  margin: 24px auto 0;
  font-size: 1.02rem;
}

.contact-lines {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 46px;
}

.contact-link {
  display: inline-grid;
  gap: 9px;
  padding: 22px 42px;
  color: var(--bone);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  border-left: 2px solid var(--mint);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background 200ms ease, border-color 200ms ease, color 200ms ease;
}

.contact-link:hover,
.contact-link:focus-visible {
  color: var(--ink);
  background: var(--mint);
  border-color: var(--mint);
}

.contact-link span {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1;
  text-transform: uppercase;
  transition: color 200ms ease;
}

.contact-link:hover span,
.contact-link:focus-visible span {
  color: #14503f;
}

.contact-link strong {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.2vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.008em;
  line-height: 1;
  white-space: nowrap;
}

.contact-link--mail {
  border-left-color: var(--cyan);
}

.contact-link--mail strong {
  font-size: clamp(1.15rem, 1.6vw, 1.45rem);
}

/* Footer */
.site-footer {
  color: var(--bone);
  background: #030b16;
}

.site-footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  gap: 60px;
  padding-top: 90px;
  padding-bottom: 70px;
}

.brand__frame--footer {
  width: 186px;
}

.site-footer__top > div:first-child > p {
  max-width: 400px;
  text-wrap: balance;
  margin: 26px 0 0;
  color: rgba(243, 240, 231, 0.45);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}

.footer-contact {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
}

.footer-contact > div {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
}

.footer-contact dt {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.footer-contact dd {
  margin: 0;
  color: rgba(243, 240, 231, 0.86);
  font-size: 0.88rem;
  line-height: 1.5;
}

.footer-contact dd span {
  color: rgba(243, 240, 231, 0.5);
}

.footer-contact a {
  color: inherit;
  text-decoration: none;
}

.footer-contact a:hover,
.footer-contact a:focus-visible {
  color: var(--cyan);
  text-decoration: underline;
}

.site-footer__links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px;
}

.site-footer__links h2 {
  margin: 0 0 20px;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.site-footer__links a {
  display: block;
  padding: 9px 0;
  color: rgba(243, 240, 231, 0.72);
  font-size: 0.9rem;
  text-decoration: none;
}

.site-footer__links a:hover {
  color: var(--cyan);
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px 32px;
  padding-top: 26px;
  padding-bottom: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.site-footer__bottom p,
.site-footer__bottom a {
  margin: 0;
  color: rgba(243, 240, 231, 0.4);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
}

.site-footer__bottom a {
  color: var(--cyan);
  text-decoration: none;
}

/* Entrance — CSS only, so content can never be left hidden by a script */
@keyframes sweepIn {
  from {
    --dial-sweep: 0deg;
  }
  to {
    --dial-sweep: 360deg;
  }
}

@keyframes popIn {
  0% {
    opacity: 0;
    transform: translateY(16px) scale(0.94);
  }
  62% {
    opacity: 1;
    transform: translateY(0) scale(1.016);
  }
  100% {
    opacity: 1;
    transform: none;
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
}

@keyframes flowPulse {
  from {
    stroke-dashoffset: 1;
  }
  to {
    stroke-dashoffset: -0.32;
  }
}

@keyframes drawLine {
  from {
    stroke-dashoffset: 1;
  }
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes dialIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
}

.dial {
  animation: dialIn 900ms var(--ease-out-soft) both;
}

.dial__ring {
  animation: sweepIn 1500ms cubic-bezier(0.35, 0, 0.15, 1) 120ms both;
}

.dial__label {
  animation: popIn 620ms var(--ease-out-soft) 980ms both;
}

.dial__value {
  animation: popIn 700ms var(--ease-out-soft) 1080ms both;
}

.dial__note {
  animation: popIn 620ms var(--ease-out-soft) 1200ms both;
}

.hero h1 span {
  animation: popIn 780ms var(--ease-out-soft) both;
}

.hero h1 span:nth-child(1) {
  animation-delay: 180ms;
}

.hero h1 span:nth-child(2) {
  animation-delay: 320ms;
}

.hero__lead {
  animation: fadeUp 760ms var(--ease-out-soft) 520ms both;
}

.hero__cta {
  animation: popIn 700ms var(--ease-out-soft) 760ms both;
}

.hero__flow > g:not(.flow-pulse) path {
  stroke-dasharray: 1;
  animation: drawLine 2100ms cubic-bezier(0.3, 0, 0.2, 1) both;
}

.hero__flow > g:not(.flow-pulse) path:nth-child(1) { animation-delay: 60ms; }
.hero__flow > g:not(.flow-pulse) path:nth-child(2) { animation-delay: 190ms; }
.hero__flow > g:not(.flow-pulse) path:nth-child(3) { animation-delay: 320ms; }
.hero__flow > g:not(.flow-pulse) path:nth-child(4) { animation-delay: 450ms; }
.hero__flow > g:not(.flow-pulse) path:nth-child(5) { animation-delay: 580ms; }

/* a short bright segment keeps travelling along each line */
.flow-pulse path {
  stroke: var(--cyan);
  stroke-dasharray: 0.14 0.86;
  stroke-dashoffset: 1;
  opacity: 0.9;
  animation: flowPulse linear infinite;
}

.hero__flow .flow-pulse path {
  animation-delay: 1400ms;
}

.flow-pulse path:nth-child(1) { animation-duration: 9s; }
.flow-pulse path:nth-child(2) { animation-duration: 12s; }
.flow-pulse path:nth-child(3) { animation-duration: 15s; }

.section-flow .flow-pulse path:nth-child(1) { animation-delay: 0s; }
.section-flow .flow-pulse path:nth-child(2) { animation-delay: 2.4s; }
.section-flow .flow-pulse path:nth-child(3) { animation-delay: 4.8s; }

/* Scroll reveals — the hidden state exists only while the script is driving it */
.js-anim [data-rv] {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 820ms var(--ease-out-soft),
    transform 820ms var(--ease-out-soft);
  will-change: opacity, transform;
}

.js-anim [data-rv].is-in {
  opacity: 1;
  transform: none;
  will-change: auto;
}

.js-anim [data-rv="scale"] {
  transform: translateY(34px) scale(0.985);
}

.js-anim [data-rv="scale"].is-in {
  transform: none;
}

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

@media (max-width: 1080px) {
  .container {
    width: min(calc(100% - 56px), var(--container));
  }

  .section {
    padding: 112px 0;
  }

  .section-head {
    margin-bottom: 56px;
  }

  .industry-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .step-rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .hero__foot {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 34px;
    padding-bottom: 104px;
  }
}

@media (max-width: 900px) {
  .dial {
    width: min(34vw, 260px);
  }

  :root {
    --header-height: 72px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    z-index: 60;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(86vw, 360px);
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 96px 28px 40px;
    background: var(--ink-soft);
    border-left: 1px solid var(--line);
    transform: translateX(100%);
    transition: transform 260ms ease;
  }

  .site-nav.is-open {
    transform: translateX(0);
  }

  .site-nav > a:not(.button) {
    min-height: 56px;
    border-bottom: 1px solid var(--line);
    font-size: 1rem;
  }

  .site-nav {
    margin-left: 0;
  }

  .site-nav .button {
    margin-top: 22px;
  }

  .cta {
    padding: 112px 0;
  }

  .saving-row {
    grid-template-columns: 1fr;
  }

  .saving-row > div {
    padding: 32px 0;
  }

  .saving-row > div + div {
    padding-left: 0;
    border-left: 0;
  }

  .saving-row dd {
    max-width: none;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(calc(100% - 36px), var(--container));
  }

  .section,
  .cta {
    padding: 88px 0;
  }

  .section-head {
    margin-bottom: 44px;
  }

  .site-header__inner {
    gap: 12px;
  }

  .brand__frame {
    width: 118px;
  }

  .header-side {
    gap: 10px;
  }

  .lang-switch a {
    min-width: 38px;
    min-height: 32px;
    font-size: 0.62rem;
  }

  .nav-toggle {
    width: 44px;
    height: 44px;
  }

  .hero__flow {
    top: 62%;
    width: 200%;
    opacity: 0.75;
  }

  .section-flow {
    width: 210%;
    opacity: 0.4;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    gap: 30px;
    justify-items: start;
  }

  .dial {
    order: -1;
    width: 178px;
    margin: 0;
    padding: 15%;
  }

  .dial__label {
    font-size: 0.56rem;
    letter-spacing: 0.12em;
  }

  .dial__value {
    margin: 7px 0 5px;
    font-size: 2.5rem;
  }

  /* the lead sentence already says this; inside a 178px badge it only crowds */
  .dial__note {
    display: none;
  }

  .dial__value {
    margin: 8px 0 0;
  }

  .hero__cta {
    margin-top: 32px;
  }

  .hero__stage {
    min-height: 0;
    padding: calc(var(--header-height) + 42px) 0 58px;
  }

  .process-visual {
    margin-bottom: 44px;
  }

  .hero__foot {
    padding-bottom: 84px;
  }

  .industry-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .step-rail {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .industry-card img {
    height: 168px;
  }

  .proof-card {
    padding: 32px 26px 36px;
  }

  .contact-lines {
    flex-direction: column;
    align-items: stretch;
  }

  .contact-link {
    padding: 18px 20px;
    justify-items: center;
  }

  .contact-link--mail strong {
    font-size: 1.05rem;
  }

  .footer-contact > div {
    grid-template-columns: 62px minmax(0, 1fr);
    gap: 10px;
  }

  .site-footer__top {
    grid-template-columns: 1fr;
    gap: 48px;
    padding-top: 68px;
  }

  .site-footer__bottom {
    flex-direction: column;
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .dial,
  .dial__ring,
  .dial__label,
  .dial__value,
  .dial__note,
  .hero h1 span,
  .hero__lead,
  .hero__cta,
  .hero__flow path,
  .flow-pulse path {
    animation: none;
  }

  .hero__flow path {
    stroke-dasharray: none;
  }

  .flow-pulse {
    display: none;
  }

  .js-anim [data-rv],
  .js-anim [data-rv].is-in {
    opacity: 1;
    transform: none;
    transition: none;
  }
}