:root {
  --ink: #061510;
  --ink-2: #0a2119;
  --forest: #0d3829;
  --green: #1d7754;
  --mint: #79d8ab;
  --lime: #d9ff55;
  --cream: #f5f0e5;
  --paper: #fffdf8;
  --purple: #6f45d8;
  --teal: #20b997;
  --orange: #ff7c43;
  --line-dark: rgba(255, 255, 255, 0.13);
  --line-light: rgba(6, 21, 16, 0.13);
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.28);
  --header-height: 92px;
  --panel-width: 100vw;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

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

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  transform: translateY(-150%);
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--lime);
  color: var(--ink);
}

.skip-link:focus {
  transform: none;
}

.topbar {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  height: var(--header-height);
  display: grid;
  align-items: center;
  grid-template-columns: 270px 1fr 150px;
  gap: 24px;
  padding: 0 34px;
  border-bottom: 1px solid var(--line-dark);
  background: rgba(6, 21, 16, 0.76);
  backdrop-filter: blur(18px);
}

.brand-shell {
  position: relative;
  display: inline-flex;
  width: 236px;
  height: 58px;
  align-items: center;
  justify-content: center;
  padding: 7px 14px 7px 19px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 13px;
  background: var(--cream);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.18);
}

.brand-shell::before {
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 8px;
  width: 3px;
  border-radius: 999px;
  content: "";
  background: var(--lime);
}

.brand-shell img {
  width: 205px;
  height: 43px;
  object-fit: contain;
}

.panel-nav {
  display: flex;
  justify-content: center;
  gap: 28px;
}

.panel-nav a {
  position: relative;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.86rem;
  font-weight: 650;
  text-decoration: none;
}

.panel-nav a::after {
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--lime);
  transform: scaleX(0);
  transition: transform 180ms ease;
}

.panel-nav a:hover,
.panel-nav a.is-active {
  color: var(--paper);
}

.panel-nav a.is-active::after {
  transform: scaleX(1);
}

.header-cta {
  justify-self: end;
  padding: 11px 19px;
  border-radius: 999px;
  background: var(--lime);
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 800;
  text-decoration: none;
}

.horizontal-track {
  display: flex;
  width: 100vw;
  height: 100vh;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.horizontal-track::-webkit-scrollbar {
  display: none;
}

.panel {
  position: relative;
  width: var(--panel-width);
  height: 100vh;
  flex: 0 0 var(--panel-width);
  overflow: hidden;
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.panel-inner {
  position: relative;
  z-index: 3;
  width: min(calc(100% - 100px), 1500px);
  height: 100%;
  margin-inline: auto;
  padding-top: calc(var(--header-height) + 64px);
  padding-bottom: 72px;
}

.kicker,
.section-index {
  display: inline-flex;
  color: var(--lime);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.02;
  letter-spacing: -0.045em;
}

h1 {
  max-width: 840px;
  margin: 26px 0 28px;
  font-size: clamp(3.55rem, 5.25vw, 6.45rem);
  font-weight: 650;
}

.hero-title {
  line-height: 0.94;
  text-wrap: balance;
}

.hero-title > span,
.hero-title > em {
  display: block;
}

.hero-title em {
  color: var(--lime);
  font-family: Georgia, "Times New Roman", serif;
  font-style: normal;
  font-weight: 500;
}

h2 {
  font-size: clamp(3.2rem, 5.4vw, 6.6rem);
  font-weight: 640;
}

h3 {
  font-size: clamp(1.4rem, 2vw, 2.2rem);
}

.hero-layout {
  display: grid;
  align-items: center;
  grid-template-columns: minmax(620px, 0.96fr) minmax(540px, 1.04fr);
  gap: clamp(44px, 4vw, 72px);
}

.hero-copy {
  min-width: 0;
  align-self: center;
}

.hero-copy > p {
  max-width: 660px;
}

.hero-actions {
  margin-bottom: 18px;
}

.panel-hero {
  background:
    radial-gradient(circle at 78% 50%, rgba(32, 185, 151, 0.13), transparent 28%),
    radial-gradient(circle at 55% 70%, rgba(217, 255, 85, 0.09), transparent 24%),
    linear-gradient(145deg, #04110d, #071c16 55%, #0b271e);
}

.hero-noise {
  position: absolute;
  inset: 0;
  opacity: 0.2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to right, transparent, black 58%);
}

.hero-beam {
  position: absolute;
  filter: blur(4px);
  opacity: 0.75;
  transform: skewX(-18deg);
}

.hero-beam-a {
  right: 3%;
  bottom: 4%;
  width: 45%;
  height: 28%;
  background: linear-gradient(90deg, rgba(217, 255, 85, 0), rgba(217, 255, 85, 0.72));
}

.hero-beam-b {
  right: -6%;
  bottom: 0;
  width: 28%;
  height: 35%;
  background: linear-gradient(90deg, rgba(32, 185, 151, 0), rgba(32, 185, 151, 0.76));
}

.hero-copy > p {
  max-width: 650px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 1.15rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.button:hover {
  transform: translateY(-3px);
}

.button-lime {
  background: var(--lime);
  box-shadow: 0 18px 40px rgba(217, 255, 85, 0.14);
  color: var(--ink);
}

.button-outline {
  border-color: rgba(255, 255, 255, 0.42);
  color: var(--paper);
}

.button-wide {
  width: 100%;
}

.hero-object {
  position: relative;
  min-height: 640px;
}

.orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(217, 255, 85, 0.24);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit-a {
  width: 620px;
  height: 620px;
  animation: orbitRotate 24s linear infinite;
}

.orbit-b {
  width: 430px;
  height: 430px;
  border-color: rgba(32, 185, 151, 0.32);
  animation: orbitRotate 17s linear reverse infinite;
}

.core-disc {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 340px;
  height: 340px;
  border: 1px solid rgba(217, 255, 85, 0.36);
  border-radius: 34%;
  background:
    linear-gradient(145deg, rgba(217, 255, 85, 0.08), rgba(32, 185, 151, 0.12)),
    rgba(6, 21, 16, 0.72);
  box-shadow:
    0 0 80px rgba(217, 255, 85, 0.11),
    inset 0 0 60px rgba(32, 185, 151, 0.12);
  transform: translate(-50%, -50%) rotate(45deg);
  backdrop-filter: blur(16px);
}

.core-ring {
  position: absolute;
  inset: 14%;
  border: 1px dashed rgba(217, 255, 85, 0.42);
  border-radius: 50%;
  animation: orbitRotate 12s linear infinite;
}

.ring-b {
  inset: 28%;
  border-color: rgba(32, 185, 151, 0.58);
  animation-direction: reverse;
  animation-duration: 8s;
}

.core-center {
  position: absolute;
  inset: 26%;
  display: grid;
  place-items: center;
  border: 1px solid rgba(217, 255, 85, 0.38);
  border-radius: 50%;
  background:
    radial-gradient(circle at 34% 28%, #fffdf8, #eee8da 72%);
  box-shadow:
    0 0 58px rgba(217, 255, 85, 0.25),
    0 0 110px rgba(32, 185, 151, 0.12);
  transform: rotate(-45deg);
}

.core-center img {
  width: 104px;
  height: 104px;
  object-fit: contain;
  filter: drop-shadow(0 8px 18px rgba(6, 21, 16, 0.16));
}

.system-chip {
  --chip-x: 0px;
  --chip-y: 0px;
  --chip-delay: 0.10s;
  position: absolute;
  width: 168px;
  min-width: 168px;
  padding: 14px 15px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  background: rgba(7, 28, 22, 0.82);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translate(var(--chip-x), var(--chip-y)) scale(0.97);
  animation:
    chipReveal 0.72s var(--chip-delay) ease-out forwards,
    chipDrift 7s calc(var(--chip-delay) + 0.72s) ease-in-out infinite;
  backdrop-filter: blur(18px);
  will-change: transform, opacity;
}

.system-chip span,
.system-chip strong,
.system-chip small {
  display: block;
}

.system-chip span {
  color: var(--lime);
  font-size: 0.67rem;
  font-weight: 850;
}

.system-chip strong {
  margin: 3px 0;
  font-size: 0.98rem;
}

.system-chip small {
  color: rgba(255, 255, 255, 0.57);
  font-size: 0.76rem;
}

.chip-order {
  --chip-delay: 0s;
  --chip-x: -3px;
  --chip-y: -2px;
  top: 10%;
  left: 12%;
}

.chip-clarity {
  --chip-delay: 0.35s;
  --chip-x: 3px;
  --chip-y: -2px;
  top: 9%;
  right: 10%;
}

.chip-control {
  --chip-delay: 0.60s;
  --chip-x: 4px;
  --chip-y: 0px;
  top: 38%;
  right: -1%;
}

.chip-decisions {
  --chip-delay: 0.85s;
  --chip-x: 3px;
  --chip-y: 3px;
  right: 8%;
  bottom: 10%;
}

.chip-efficiency {
  --chip-delay: 1.10s;
  --chip-x: -3px;
  --chip-y: 3px;
  bottom: 10%;
  left: 10%;
}

.chip-followup {
  --chip-delay: 1.35s;
  --chip-x: -4px;
  --chip-y: 0px;
  top: 39%;
  left: -1%;
}

.panel-marker {
  position: absolute;
  right: 42px;
  bottom: 28px;
  display: flex;
  align-items: center;
  gap: 14px;
  color: rgba(255, 255, 255, 0.54);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.panel-marker i {
  color: var(--lime);
  font-size: 1.6rem;
  font-style: normal;
}

.panel-problem {
  background: var(--cream);
  color: var(--ink);
}

.problem-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.7fr) minmax(600px, 1.3fr);
  grid-template-rows: 1fr auto;
  gap: 42px 70px;
}

.problem-heading {
  align-self: center;
}

.problem-heading .section-index,
.panel-solutions .section-index {
  color: var(--green);
}

.problem-heading h2 {
  margin-top: 24px;
}

.friction-stage {
  position: relative;
  align-self: center;
  min-height: 600px;
}

.friction-stage svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.friction-stage path {
  fill: none;
  stroke: rgba(13, 56, 41, 0.2);
  stroke-dasharray: 7 10;
  stroke-width: 2;
}

.friction-core {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  width: 250px;
  height: 250px;
  place-items: center;
  align-content: center;
  border-radius: 50%;
  background: var(--ink);
  box-shadow: 0 30px 70px rgba(6, 21, 16, 0.25);
  color: var(--paper);
  transform: translate(-50%, -50%);
}

.friction-core span,
.friction-core strong {
  display: block;
}

.friction-core span {
  color: var(--lime);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.friction-core strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2.2rem;
  font-weight: 500;
}

.friction-word {
  position: absolute;
  padding: 18px 22px;
  border: 1px solid var(--line-light);
  border-radius: 999px;
  background: var(--paper);
  box-shadow: 0 18px 50px rgba(6, 21, 16, 0.09);
  font-weight: 750;
}

.word-a {
  top: 9%;
  left: 3%;
}

.word-b {
  top: 12%;
  right: 3%;
}

.word-c {
  bottom: 12%;
  left: 2%;
}

.word-d {
  right: 5%;
  bottom: 10%;
}

.problem-statement {
  grid-column: 1 / -1;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 30px;
  padding-top: 28px;
  border-top: 1px solid var(--line-light);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.4rem, 2.2vw, 2.4rem);
}

.problem-statement p {
  margin-bottom: 0;
}

.problem-statement strong {
  color: var(--green);
  font-weight: 500;
}

.panel-method {
  background:
    radial-gradient(circle at 78% 38%, rgba(111, 69, 216, 0.22), transparent 25%),
    linear-gradient(135deg, #111025, #181334 58%, #211244);
}

.method-layout {
  display: grid;
  align-items: center;
  grid-template-columns: minmax(430px, 0.78fr) minmax(720px, 1.22fr);
  gap: 72px;
}

.method-intro h2 {
  max-width: 660px;
  font-size: clamp(3.2rem, 4.65vw, 5.8rem);
}

.method-intro p {
  max-width: 650px;
}

.method-intro h2 {
  margin: 24px 0 18px;
}

.method-intro p {
  color: #c7b9ff;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 3.5vw, 4rem);
  line-height: 1.05;
}

.method-rail {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  min-width: 0;
}

.method-step {
  min-width: 0;
  min-height: 420px;
  display: flex;
  overflow: hidden;
  flex-direction: column;
  padding: 25px 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.055);
  backdrop-filter: blur(15px);
}

.method-step h3 {
  max-width: 100%;
  margin-bottom: 18px;
  font-size: clamp(1.28rem, 1.30vw, 1.62rem);
  line-height: 1.04;
  letter-spacing: -0.035em;
  white-space: nowrap;
  overflow-wrap: normal;
  word-break: keep-all;
}

.method-step:nth-child(3) h3 {
  font-size: clamp(1.14rem, 1.15vw, 1.43rem);
}

.method-step:nth-child(4) h3 {
  font-size: clamp(1.22rem, 1.24vw, 1.54rem);
}

.method-step p {
  line-height: 1.42;
}

.method-step > span {
  color: #b795ff;
  font-size: 0.72rem;
  font-weight: 850;
}

.method-icon {
  display: grid;
  width: 70px;
  height: 70px;
  margin: 42px 0 34px;
  place-items: center;
  border: 1px solid rgba(183, 149, 255, 0.45);
  border-radius: 50%;
  color: #c3a6ff;
  font-size: 2rem;
}

.method-step p {
  margin-top: auto;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.93rem;
}

.panel-solutions {
  background: var(--paper);
  color: var(--ink);
}

.solutions-layout {
  display: grid;
  align-items: center;
  grid-template-columns: minmax(430px, 0.82fr) minmax(0, 1.38fr);
  gap: 48px;
}

.solutions-heading {
  position: relative;
  z-index: 2;
  min-width: 0;
  max-width: 500px;
}

.solutions-heading h2 {
  max-width: 100%;
  font-size: clamp(3.2rem, 4.15vw, 5.15rem);
  line-height: 1.01;
  overflow-wrap: normal;
  word-break: normal;
}

.solution-carousel {
  position: relative;
  z-index: 3;
  min-width: 0;
}

.solutions-heading h2 {
  margin: 24px 0 18px;
}

.solutions-heading p {
  color: rgba(6, 21, 16, 0.62);
}

.solution-carousel {
  position: relative;
  z-index: 3;
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(240px, 1fr));
  gap: 22px;
}

.solution-tile {
  position: relative;
  min-height: 610px;
  overflow: hidden;
  padding: 32px;
  border-radius: 28px;
}

.solution-tile > span {
  display: inline-flex;
  margin-bottom: 70px;
  font-size: 0.72rem;
  font-weight: 850;
}

.solution-tile p {
  max-width: 340px;
  color: rgba(6, 21, 16, 0.61);
}

.tile-a {
  background: var(--cream);
}

.tile-b {
  background: var(--orange);
}

.tile-c {
  background: var(--ink);
  color: var(--paper);
}

.tile-c h3 {
  color: var(--paper);
}

.tile-c p {
  color: rgba(255, 255, 255, 0.58);
}

.tile-visual {
  position: absolute;
  right: 30px;
  bottom: 30px;
  left: 30px;
  height: 230px;
}

.visual-layers i {
  position: absolute;
  left: 50%;
  width: 70%;
  height: 110px;
  border: 2px solid var(--green);
  border-radius: 24px;
  background: rgba(29, 119, 84, 0.08);
  transform: translateX(-50%) rotate(-8deg);
}

.visual-layers i:nth-child(2) {
  bottom: 38px;
  transform: translateX(-50%) rotate(4deg);
}

.visual-layers i:nth-child(3) {
  bottom: 78px;
  background: rgba(29, 119, 84, 0.16);
  transform: translateX(-50%) rotate(-2deg);
}

.visual-orbit {
  display: grid;
  place-items: center;
}

.visual-orbit i {
  position: absolute;
  width: 210px;
  height: 210px;
  border: 2px solid rgba(6, 21, 16, 0.42);
  border-radius: 50%;
}

.visual-orbit i:nth-child(2) {
  width: 145px;
  height: 145px;
}

.visual-orbit i:nth-child(3) {
  width: 76px;
  height: 76px;
  background: var(--ink);
}

.visual-bars {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 13px;
}

.visual-bars i {
  width: 32px;
  border-radius: 999px 999px 8px 8px;
  background: var(--lime);
}

.visual-bars i:nth-child(1) { height: 70px; }
.visual-bars i:nth-child(2) { height: 125px; }
.visual-bars i:nth-child(3) { height: 175px; }
.visual-bars i:nth-child(4) { height: 220px; }

.panel-contact {
  background:
    radial-gradient(circle at 80% 22%, rgba(217, 255, 85, 0.14), transparent 23%),
    linear-gradient(145deg, #061510, #0b2d21);
}

.contact-grid {
  position: absolute;
  inset: 0;
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(217, 255, 85, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(217, 255, 85, 0.12) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: radial-gradient(circle at 75% 50%, black, transparent 66%);
}

.contact-layout {
  display: grid;
  align-items: center;
  grid-template-columns: minmax(0, 1fr) minmax(430px, 0.62fr);
  gap: 100px;
  padding-bottom: 72px;
}

.contact-statement h2 {
  max-width: 850px;
  margin: 26px 0;
}

.contact-statement p {
  max-width: 650px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 1.15rem;
}

.contact-card {
  padding: 38px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.065);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.contact-card > span {
  color: var(--lime);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-card h3 {
  margin: 22px 0 36px;
  line-height: 1.15;
}

.contact-meta {
  display: grid;
  gap: 12px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line-dark);
}

.contact-meta-item {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 11px;
  color: rgba(255, 255, 255, 0.82);
  font-weight: 700;
  text-decoration: none;
  transition:
    color 180ms ease,
    transform 180ms ease;
}

.contact-meta-item:hover,
.contact-meta-item:focus-visible {
  color: var(--lime);
  transform: translateX(3px);
}

.contact-meta-item svg {
  width: 21px;
  height: 21px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.contact-meta-item svg .icon-fill {
  fill: currentColor;
  stroke: none;
}

.contact-meta-location {
  padding-left: 32px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.86rem;
  font-weight: 650;
}

.edge-navigation {
  position: fixed;
  z-index: 88;
  top: var(--header-height);
  bottom: 0;
  width: clamp(58px, 5vw, 88px);
  border: 0;
  background: transparent;
  color: var(--paper);
  cursor: pointer;
  opacity: 0.22;
  transition:
    opacity 180ms ease,
    background 180ms ease,
    transform 180ms ease;
}

.edge-navigation span {
  position: absolute;
  top: 50%;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 50%;
  background: rgba(6, 21, 16, 0.58);
  font-size: 1.2rem;
  transform: translateY(-50%);
  backdrop-filter: blur(12px);
}

.edge-navigation-left {
  left: 0;
}

.edge-navigation-left span {
  left: 12px;
}

.edge-navigation-right {
  right: 0;
}

.edge-navigation-right span {
  right: 12px;
}

.edge-navigation-left:hover,
.edge-navigation-left:focus-visible {
  opacity: 1;
  background: linear-gradient(90deg, rgba(217, 255, 85, 0.12), transparent);
}

.edge-navigation-right:hover,
.edge-navigation-right:focus-visible {
  opacity: 1;
  background: linear-gradient(270deg, rgba(217, 255, 85, 0.12), transparent);
}

.edge-navigation:disabled {
  pointer-events: none;
  opacity: 0;
}

.edge-navigation:focus-visible span {
  outline: 2px solid var(--lime);
  outline-offset: 4px;
}


.progress-shell {
  position: fixed;
  z-index: 90;
  bottom: 28px;
  left: 34px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.progress-track {
  width: 180px;
  height: 3px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.19);
}

.progress-track span {
  display: block;
  width: 20%;
  height: 100%;
  background: var(--lime);
  transition: width 250ms ease;
}

.progress-shell strong {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.73rem;
  letter-spacing: 0.1em;
}

.direction-button {
  position: fixed;
  z-index: 95;
  bottom: 24px;
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.23);
  border-radius: 50%;
  background: rgba(6, 21, 16, 0.7);
  color: var(--paper);
  font-size: 1.3rem;
  cursor: pointer;
  backdrop-filter: blur(12px);
}

.direction-prev {
  right: 88px;
}

.direction-next {
  right: 32px;
}

@keyframes orbitRotate {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes chipReveal {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes chipDrift {
  0%,
  100% {
    transform:
      translate(var(--chip-x), var(--chip-y))
      scale(1);
  }

  40% {
    transform:
      translate(
        calc(var(--chip-x) + 2px),
        calc(var(--chip-y) - 3px)
      )
      scale(1);
  }

  74% {
    transform:
      translate(
        calc(var(--chip-x) - 2px),
        calc(var(--chip-y) + 2px)
      )
      scale(1);
  }
}

@media (max-width: 1100px) {
  body {
    overflow: auto;
  }

  .topbar {
    grid-template-columns: 1fr auto;
    padding-inline: 18px;
  }

  .panel-nav {
    display: none;
  }

  .horizontal-track {
    display: block;
    width: 100%;
    height: auto;
    overflow: visible;
  }

  .panel {
    width: 100%;
    height: auto;
    min-height: 100vh;
    overflow: hidden;
  }

  .panel-inner {
    width: min(calc(100% - 36px), 900px);
    min-height: 100vh;
    padding-top: calc(var(--header-height) + 55px);
    padding-bottom: 75px;
  }

  .hero-layout,
  .problem-layout,
  .method-layout,
  .solutions-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .hero-object {
    min-height: 640px;
  }

  .problem-layout {
    grid-template-rows: auto;
  }

  .problem-statement {
    flex-direction: column;
  }

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

  .solution-tile:last-child {
    grid-column: 1 / -1;
  }

  .progress-shell,
  .direction-button,
  .edge-navigation,
  .panel-marker {
    display: none;
  }

}

@media (max-width: 680px) {
  :root {
    --header-height: 78px;
  }

  .brand-shell {
    width: 180px;
    height: 52px;
    padding: 6px 10px 6px 15px;
  }

  .brand-shell img {
    width: 156px;
    height: 38px;
  }

  .header-cta {
    padding: 10px 14px;
  }

  h1 {
    font-size: clamp(3.1rem, 15vw, 5.2rem);
  }

  h2 {
    font-size: clamp(2.7rem, 13vw, 4.6rem);
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .hero-object {
    min-height: 520px;
    transform: scale(0.78);
    transform-origin: top center;
  }

  .system-chip {
    min-width: 150px;
    animation: none;
    opacity: 1;
    transform: scale(0.88);
  }

  .chip-efficiency,
  .chip-followup,
  .chip-clarity {
    display: none;
  }

  .problem-layout,
  .method-layout,
  .solutions-layout,
  .contact-layout {
    gap: 44px;
  }

  .friction-stage {
    min-height: 520px;
    transform: scale(0.85);
    transform-origin: top center;
  }

  .method-rail,
  .solution-carousel {
    grid-template-columns: 1fr;
  }

  .method-step {
    min-height: 350px;
  }

  .solution-tile,
  .solution-tile:last-child {
    min-height: 520px;
    grid-column: auto;
  }
}


@media (min-width: 1101px) and (max-height: 960px) {
  .panel-inner {
    padding-top: calc(var(--header-height) + 34px);
    padding-bottom: 42px;
  }

  .hero-layout {
    align-items: center;
  }

  .hero-title {
    margin-top: 17px;
    margin-bottom: 19px;
    font-size: clamp(3.25rem, 4.65vw, 5.35rem);
    line-height: 0.91;
  }

  .hero-copy > p {
    margin-bottom: 20px;
    font-size: 1rem;
    line-height: 1.45;
  }

  .hero-actions {
    margin-top: 22px;
  }

  .hero-object {
    min-height: 510px;
    transform: scale(0.88);
    transform-origin: center center;
  }

  .method-layout {
    gap: 50px;
  }

  .method-intro h2 {
    font-size: clamp(3rem, 4.05vw, 4.65rem);
  }

  .method-intro p {
    font-size: clamp(2rem, 3vw, 3.2rem);
  }

  .method-step {
    min-height: 365px;
    padding: 22px 19px;
  }

  .method-icon {
    width: 62px;
    height: 62px;
    margin: 30px 0 25px;
    font-size: 1.75rem;
  }

  .method-step p {
    font-size: 0.84rem;
  }
}

@media (min-width: 1101px) and (max-width: 1750px) {
  .system-chip {
    width: 150px;
    min-width: 150px;
    padding: 12px 13px;
  }

  .system-chip strong {
    font-size: 0.9rem;
  }

  .system-chip small {
    font-size: 0.7rem;
  }

  .topbar {
    grid-template-columns: 255px 1fr 145px;
  }

  .brand-shell {
    width: 222px;
  }

  .brand-shell img {
    width: 191px;
  }

  .hero-layout {
    grid-template-columns: minmax(560px, 0.92fr) minmax(500px, 1.08fr);
  }

  .method-layout {
    grid-template-columns: minmax(390px, 0.72fr) minmax(0, 1.28fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .system-chip {
    opacity: 1;
    transform: translate(var(--chip-x), var(--chip-y));
  }

  html,
  .horizontal-track {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}


/* ==========================================================
   VERSION 1.3.6 — DEDICATED MOBILE COMPOSITION
   Desktop rules above remain unchanged.
   ========================================================== */
@media (max-width: 680px) {
  html,
  body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }

  :root {
    --header-height: 70px;
  }

  .topbar {
    height: var(--header-height);
    grid-template-columns: auto auto;
    justify-content: space-between;
    gap: 12px;
    padding: 0 14px;
  }

  .brand-shell {
    width: 58px;
    height: 48px;
    padding: 5px;
    border-radius: 12px;
  }

  .brand-shell::before {
    top: 8px;
    bottom: 8px;
    left: 5px;
    width: 2px;
  }

  .brand-shell img {
    width: 42px;
    height: 38px;
  }

  .header-cta {
    min-width: 104px;
    padding: 10px 16px;
    text-align: center;
  }

  .panel {
    min-height: auto;
    scroll-margin-top: var(--header-height);
  }

  .panel-inner {
    width: min(calc(100% - 32px), 440px);
    min-height: auto;
    padding-top: calc(var(--header-height) + 42px);
    padding-bottom: 64px;
  }

  .kicker,
  .section-index {
    font-size: 0.67rem;
    letter-spacing: 0.115em;
  }

  h1,
  h2,
  h3 {
    letter-spacing: -0.048em;
  }

  .hero-layout {
    display: grid;
    gap: 34px;
  }

  .hero-copy {
    width: 100%;
  }

  .hero-title {
    max-width: 100%;
    margin: 20px 0 22px;
    font-size: clamp(2.85rem, 12vw, 3.25rem);
    line-height: 0.94;
    text-wrap: initial;
  }

  .hero-title > span,
  .hero-title > em {
    max-width: 100%;
    overflow-wrap: normal;
    word-break: normal;
  }

  .hero-copy > p {
    max-width: 100%;
    margin-bottom: 0;
    font-size: 0.98rem;
    line-height: 1.55;
  }

  .hero-actions {
    display: grid;
    gap: 11px;
    margin-top: 26px;
    margin-bottom: 0;
  }

  .button {
    min-height: 50px;
    padding: 12px 18px;
  }

  .hero-object {
    min-height: 448px;
    margin-top: 2px;
    transform: none;
    transform-origin: center;
  }

  .orbit-a {
    width: 332px;
    height: 332px;
  }

  .orbit-b {
    width: 236px;
    height: 236px;
  }

  .core-disc {
    width: 184px;
    height: 184px;
  }

  .core-center {
    inset: 24%;
  }

  .core-center img {
    width: 70px;
    height: 70px;
  }

  .system-chip {
    display: block;
    width: 122px;
    min-width: 122px;
    padding: 9px 10px;
    border-radius: 12px;
    opacity: 1;
    animation: none;
    transform: none;
  }

  .system-chip span {
    font-size: 0.56rem;
  }

  .system-chip strong {
    font-size: 0.76rem;
  }

  .system-chip small {
    font-size: 0.58rem;
    line-height: 1.22;
  }

  .chip-order {
    top: 0;
    left: 3%;
  }

  .chip-clarity {
    top: 0;
    right: 3%;
  }

  .chip-followup {
    top: 35%;
    left: -1%;
  }

  .chip-control {
    top: 35%;
    right: -1%;
  }

  .chip-efficiency {
    bottom: 1%;
    left: 4%;
  }

  .chip-decisions {
    right: 4%;
    bottom: 1%;
    left: auto;
  }

  .hero-beam-a {
    right: -18%;
    width: 76%;
    height: 24%;
  }

  .hero-beam-b {
    right: -20%;
    width: 58%;
    height: 28%;
  }

  .problem-layout,
  .method-layout,
  .solutions-layout,
  .contact-layout {
    gap: 34px;
  }

  .problem-heading h2,
  .solutions-heading h2,
  .contact-statement h2,
  .method-intro h2 {
    max-width: 100%;
    margin-top: 18px;
    font-size: clamp(2.55rem, 11vw, 3rem);
    line-height: 0.98;
  }

  .friction-stage {
    min-height: 420px;
    transform: none;
  }

  .friction-core {
    width: 168px;
    height: 168px;
  }

  .friction-core span {
    font-size: 0.68rem;
  }

  .friction-core strong {
    font-size: 1.55rem;
  }

  .friction-word {
    max-width: 142px;
    padding: 11px 13px;
    font-size: 0.76rem;
    line-height: 1.2;
    text-align: center;
  }

  .word-a {
    top: 3%;
    left: 0;
  }

  .word-b {
    top: 12%;
    right: 0;
  }

  .word-c {
    bottom: 13%;
    left: 0;
  }

  .word-d {
    right: 0;
    bottom: 3%;
  }

  .problem-statement {
    gap: 12px;
    padding-top: 22px;
    font-size: 1.32rem;
    line-height: 1.18;
  }

  .method-intro p {
    max-width: 100%;
    font-size: clamp(1.8rem, 8.5vw, 2.25rem);
    line-height: 1.04;
  }

  .method-rail {
    display: grid;
    gap: 13px;
  }

  .method-step {
    position: relative;
    min-height: 154px;
    padding: 20px 18px 20px 76px;
    border-radius: 18px;
  }

  .method-step > span {
    position: absolute;
    top: 20px;
    left: 20px;
  }

  .method-icon {
    position: absolute;
    top: 50px;
    left: 18px;
    width: 42px;
    height: 42px;
    margin: 0;
    font-size: 1.3rem;
  }

  .method-step h3,
  .method-step:nth-child(3) h3,
  .method-step:nth-child(4) h3 {
    margin: 0 0 10px;
    font-size: 1.45rem;
    line-height: 1.03;
    white-space: normal;
    overflow-wrap: normal;
    word-break: normal;
  }

  .method-step p {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.43;
  }

  .solutions-heading {
    max-width: 100%;
  }

  .solutions-heading p,
  .contact-statement p {
    max-width: 100%;
    font-size: 0.98rem;
    line-height: 1.55;
  }

  .solution-carousel {
    gap: 15px;
  }

  .solution-tile,
  .solution-tile:last-child {
    min-height: 370px;
    padding: 24px;
    border-radius: 22px;
  }

  .solution-tile > span {
    margin-bottom: 24px;
  }

  .solution-tile h3 {
    font-size: 1.7rem;
    line-height: 1.04;
  }

  .solution-tile p {
    max-width: 100%;
    font-size: 0.92rem;
    line-height: 1.45;
  }

  .tile-visual {
    right: 24px;
    bottom: 22px;
    left: 24px;
    height: 118px;
  }

  .visual-layers i {
    height: 58px;
    border-radius: 16px;
  }

  .visual-layers i:nth-child(2) {
    bottom: 20px;
  }

  .visual-layers i:nth-child(3) {
    bottom: 40px;
  }

  .visual-orbit i {
    width: 110px;
    height: 110px;
  }

  .visual-orbit i:nth-child(2) {
    width: 76px;
    height: 76px;
  }

  .visual-orbit i:nth-child(3) {
    width: 42px;
    height: 42px;
  }

  .visual-bars {
    gap: 9px;
  }

  .visual-bars i {
    width: 23px;
  }

  .visual-bars i:nth-child(1) { height: 40px; }
  .visual-bars i:nth-child(2) { height: 66px; }
  .visual-bars i:nth-child(3) { height: 91px; }
  .visual-bars i:nth-child(4) { height: 116px; }

  .contact-card {
    padding: 24px;
    border-radius: 22px;
  }

  .contact-card h3 {
    margin: 18px 0 25px;
    font-size: 1.5rem;
    line-height: 1.15;
  }

  .contact-meta {
    margin-top: 23px;
    padding-top: 20px;
  }

  .contact-meta-item {
    gap: 10px;
    font-size: 0.94rem;
  }

  .contact-meta-location {
    padding-left: 31px;
  }
}