:root {
  --bg: #090b0a;
  --bg-2: #0e120f;
  --elev: #131815;
  --elev-2: #181e1a;
  --line: rgba(197, 232, 106, 0.14);
  --line-strong: rgba(197, 232, 106, 0.32);
  --text: #eef3e8;
  --mute: #9aa394;
  --mute-2: #6f776c;
  --accent: #c5e86a;
  --accent-2: #a8d24f;
  --ink: #12160f;
  --danger: #f0a3a3;
  --radius: 18px;
  --radius-sm: 12px;
  --wrap: 1180px;
  --header: 72px;
  --font: "Manrope", system-ui, sans-serif;
  --display: "Unbounded", "Manrope", system-ui, sans-serif;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --glow: 0 0 40px rgba(197, 232, 106, 0.18);
}

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

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

html:focus-within {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.nav-lock {
  overflow: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: 0;
}

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

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

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

.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  z-index: 80;
  background: var(--accent);
  color: var(--ink);
  padding: 8px 12px;
  border-radius: 8px;
  font-weight: 600;
}

.skip:focus {
  top: 12px;
}

.wrap {
  width: min(100% - 40px, var(--wrap));
  margin-inline: auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header);
  border-bottom: 1px solid transparent;
  background: rgba(9, 11, 10, 0.72);
}

.header::before {
  content: "";
  position: absolute;
  inset: 0;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: -1;
  pointer-events: none;
}

.header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(9, 11, 10, 0.92);
}

.header-inner {
  position: relative;
  z-index: 2;
  height: 100%;
  width: min(100% - 40px, var(--wrap));
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 28px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--display);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  flex: none;
}

.logo svg {
  width: 22px;
  height: 22px;
  color: var(--accent);
}

.nav {
  display: flex;
  align-items: center;
  align-self: stretch;
  gap: 22px;
  margin-left: auto;
  font-size: 14px;
  color: var(--mute);
}

.nav > a {
  display: flex;
  align-items: center;
  align-self: stretch;
}

.nav a:hover,
.nav-drop > button:hover {
  color: var(--text);
}

.nav-drop {
  position: relative;
  display: flex;
  align-items: center;
  align-self: stretch;
}

.nav-drop > button {
  color: var(--mute);
  padding: 0 4px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-drop > button::after {
  content: "";
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
}

.nav-panel {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 280px;
  padding: 10px;
  background: var(--elev);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  display: none;
}

.nav-panel::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -12px;
  height: 12px;
}

.nav-drop.is-open .nav-panel,
.nav-drop:hover .nav-panel,
.nav-drop:focus-within .nav-panel {
  display: grid;
}

.nav-panel a {
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--text);
}

.nav-panel a:hover {
  background: rgba(197, 232, 106, 0.08);
}

.nav-panel small {
  display: block;
  color: var(--mute-2);
  font-size: 12px;
  margin-top: 2px;
}

.header .btn {
  margin-left: 8px;
}

.burger {
  display: none;
  position: relative;
  z-index: 60;
  width: 42px;
  height: 42px;
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.burger span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: var(--ink);
  box-shadow: var(--glow);
}

.btn-primary:hover {
  background: #d6f28a;
}

.btn-ghost {
  border-color: var(--line-strong);
  color: var(--text);
  background: rgba(197, 232, 106, 0.04);
}

.btn-ghost:hover {
  border-color: var(--accent);
  background: rgba(197, 232, 106, 0.1);
}

.hero {
  position: relative;
  min-height: calc(100svh - var(--header));
  display: flex;
  align-items: center;
  padding: 48px 0;
  overflow: hidden;
  background: var(--bg);
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  z-index: 0;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(9, 11, 10, 0.82) 0%, rgba(9, 11, 10, 0.55) 42%, rgba(9, 11, 10, 0.28) 100%),
    linear-gradient(180deg, rgba(9, 11, 10, 0.28), transparent 22%, rgba(9, 11, 10, 0.45) 100%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.kicker::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--accent);
}

h1,
.h1 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.lead {
  margin-top: 18px;
  font-size: 18px;
  color: var(--mute);
  max-width: 46ch;
}

.hero-note {
  margin-top: 14px;
  color: var(--text);
  max-width: 48ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-visual {
  display: grid;
}

.visual-frame {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  background: var(--elev);
  box-shadow: var(--shadow);
}

.visual-frame img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  display: block;
}

.visual-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(9, 11, 10, 0.12), transparent 28%, rgba(9, 11, 10, 0.28) 100%),
    radial-gradient(80% 60% at 80% 0%, rgba(197, 232, 106, 0.12), transparent 55%);
  pointer-events: none;
}

.eco {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.eco-node {
  display: grid;
  align-content: start;
  gap: 6px;
  background: rgba(14, 18, 15, 0.78);
  border: 1px solid var(--line);
  backdrop-filter: blur(14px);
  border-radius: 16px;
  padding: 16px 16px 14px;
  min-height: 118px;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.eco-node:hover {
  border-color: var(--line-strong);
  background: rgba(18, 24, 20, 0.88);
}

.eco-idx {
  font-family: var(--display);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.eco-node b {
  display: block;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.eco-node p {
  margin: 0;
  font-size: 13px;
  line-height: 1.4;
  color: var(--mute);
}

.eco-node.is-accent {
  border-color: var(--line-strong);
  box-shadow: inset 0 0 0 1px rgba(197, 232, 106, 0.08), var(--glow);
}

a.eco-node {
  color: inherit;
}

a.eco-node:hover {
  border-color: var(--accent);
}

.scheme {
  display: grid;
  border: 1px solid var(--line);
  border-radius: 22px;
  overflow: hidden;
  background: rgba(14, 18, 15, 0.78);
  backdrop-filter: blur(14px);
}

.scheme-step {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 10px;
  padding: 14px 16px;
  border-top: 1px solid var(--line);
}

.scheme-step:first-child {
  border-top: 0;
}

.scheme-step span {
  font-family: var(--display);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--accent);
  padding-top: 2px;
}

.scheme-step b {
  display: block;
  font-size: 15px;
  letter-spacing: -0.02em;
}

.scheme-step p {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--mute);
}

.contact-list a,
.contact-list p {
  display: block;
  margin: 0;
}

.contact-list .block + .block {
  margin-top: 12px;
}

.legal {
  display: grid;
  gap: 8px;
  font-size: 14px;
}

.legal div {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}

.legal dt,
.legal b {
  color: var(--mute-2);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  align-items: stretch;
}

a.case-card {
  color: inherit;
  min-height: 280px;
}

.case-card p + p {
  margin-top: 10px;
}

.case-page p + p {
  margin-top: 12px;
}

.case-page .lead {
  max-width: 62ch;
}

.case-page h2 {
  font-family: var(--display);
  font-size: 24px;
  letter-spacing: -0.03em;
  margin: 36px 0 12px;
}

.case-page ul {
  margin: 0;
  padding-left: 18px;
  color: var(--mute);
}

.case-page li + li {
  margin-top: 8px;
}

.tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.tech span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
  color: var(--mute);
}

.case-card .excerpt {
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 5.6em;
}

.case-card .more {
  margin-top: auto;
  padding-top: 20px;
  color: var(--accent);
  font-weight: 600;
}

.pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
  margin-right: 6px;
  box-shadow: 0 0 0 0 rgba(197, 232, 106, 0.7);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  70% { box-shadow: 0 0 0 8px transparent; }
}

.section {
  padding: 88px 0;
}

.section-head {
  max-width: 720px;
  margin-bottom: 40px;
}

.section h2 {
  font-family: var(--display);
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.section-head p {
  margin-top: 12px;
  color: var(--mute);
  font-size: 17px;
}

.js .reveal {
  opacity: 0;
  transform: translateY(18px);
}

.js .reveal.in {
  opacity: 1;
  transform: none;
  transition: 0.6s ease;
}

.problems {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.problem,
.cap,
.case-card {
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.problem:hover,
.cap:hover,
.case-card:hover {
  border-color: var(--line-strong);
}

.problem {
  border: 1px solid var(--line);
  background: var(--bg-2);
  border-radius: var(--radius);
  padding: 22px 22px 20px;
}

.problem strong {
  display: block;
  font-size: 18px;
  font-weight: 650;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.problem p {
  color: var(--mute);
  font-size: 15px;
}

.problems-close {
  grid-column: 1 / -1;
  margin-top: 8px;
  padding: 22px 24px;
  border-radius: var(--radius);
  background: linear-gradient(90deg, rgba(197, 232, 106, 0.12), rgba(197, 232, 106, 0.03));
  border: 1px solid var(--line-strong);
  font-size: 18px;
  font-weight: 600;
}

.caps {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 14px;
}

.cap {
  border: 1px solid var(--line);
  background: var(--elev);
  border-radius: var(--radius);
  padding: 24px;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.cap:first-child {
  grid-row: 1 / span 2;
  min-height: 380px;
  background:
    linear-gradient(180deg, rgba(9, 11, 10, 0.08), rgba(9, 11, 10, 0.72)),
    url("../img/texture-nodes.jpg") center / cover;
}

.cap:last-child {
  grid-column: 1 / -1;
  min-height: 0;
  flex-direction: row;
  align-items: flex-end;
  gap: 24px;
}

.cap:last-child > div {
  flex: 1;
}

.cap h3 {
  font-family: var(--display);
  font-size: 22px;
  letter-spacing: -0.03em;
}

.cap p {
  color: var(--mute);
  margin-top: 10px;
}

.cap a {
  color: var(--accent);
  font-weight: 600;
  font-size: 14px;
  margin-top: 18px;
}

.flow {
  display: grid;
  gap: 0;
  counter-reset: step;
}

.flow-step {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 24px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.js .flow-step {
  opacity: 0;
  transform: translateX(-8px);
}

.js .flow-step.in {
  opacity: 1;
  transform: none;
  transition: 0.45s ease;
}

.flow-step:nth-child(1).in { transition-delay: 0.02s; }
.flow-step:nth-child(2).in { transition-delay: 0.08s; }
.flow-step:nth-child(3).in { transition-delay: 0.14s; }
.flow-step:nth-child(4).in { transition-delay: 0.2s; }
.flow-step:nth-child(5).in { transition-delay: 0.26s; }
.flow-step:nth-child(6).in { transition-delay: 0.32s; }
.flow-step:nth-child(7).in { transition-delay: 0.38s; }
.flow-step:nth-child(8).in { transition-delay: 0.44s; }

.flow-step:last-child {
  border-bottom: 1px solid var(--line);
}

.flow-idx {
  color: var(--accent);
  font-family: var(--display);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.flow-step h3 {
  font-size: 22px;
  letter-spacing: -0.03em;
}

.flow-step p {
  color: var(--mute);
  margin-top: 6px;
}

.flow-close {
  margin-top: 28px;
  font-size: 20px;
  font-weight: 650;
}

.cases-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 14px;
}

.case-card {
  border: 1px solid var(--line);
  background: var(--elev);
  border-radius: 22px;
  padding: 28px;
  min-height: 280px;
  display: flex;
  flex-direction: column;
}

.case-card .tag {
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-card h3 {
  font-family: var(--display);
  font-size: 26px;
  margin: 14px 0 10px;
  letter-spacing: -0.03em;
}

.case-card p {
  color: var(--mute);
}

.case-card .more {
  margin-top: auto;
  padding-top: 20px;
  color: var(--accent);
  font-weight: 600;
}

.case-stack {
  display: grid;
  gap: 14px;
}

.slot {
  border: 1px dashed var(--line-strong);
  border-radius: 22px;
  padding: 24px;
  color: var(--mute);
  background: rgba(197, 232, 106, 0.03);
}

.slot b {
  display: block;
  color: var(--text);
  margin-bottom: 8px;
}

.process {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.process-item {
  padding: 24px;
  border-top: 2px solid var(--accent);
  background: var(--bg-2);
  border-radius: 0 0 18px 18px;
  min-height: 210px;
}

.js .process-item {
  opacity: 0;
  transform: translateY(12px);
}

.js .process-item.in {
  opacity: 1;
  transform: none;
  transition: 0.5s ease;
}

.process-item span {
  color: var(--mute-2);
  font-size: 12px;
  letter-spacing: 0.12em;
  font-weight: 700;
}

.process-item h3 {
  margin: 12px 0 8px;
  font-size: 20px;
}

.process-item p {
  color: var(--mute);
  font-size: 15px;
}

.lead-box {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 36px;
  background:
    linear-gradient(180deg, rgba(197, 232, 106, 0.05), transparent 40%),
    var(--elev);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 22px;
}

.chip {
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--mute);
  background: var(--bg);
}

.chip.is-on,
.chip[aria-pressed="true"] {
  border-color: var(--accent);
  color: var(--ink);
  background: var(--accent);
}

.field {
  display: grid;
  gap: 6px;
  margin-bottom: 14px;
}

.field span {
  font-size: 13px;
  color: var(--mute);
}

.field input,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--bg);
  border-radius: 12px;
  padding: 12px 14px;
  outline: none;
}

.field textarea {
  min-height: 110px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  border-color: var(--accent);
}

.form-error {
  color: var(--danger);
  font-size: 14px;
  margin: 0 0 12px;
}

.form-success {
  padding: 24px;
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  background: rgba(197, 232, 106, 0.08);
}

.form-note {
  margin-top: 12px;
  font-size: 13px;
  color: var(--mute-2);
}

.page-hero {
  position: relative;
  padding: 56px 0 28px;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px 380px at 90% -10%, rgba(197, 232, 106, 0.14), transparent 58%),
    linear-gradient(rgba(197, 232, 106, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(197, 232, 106, 0.03) 1px, transparent 1px);
  background-size: auto, 52px 52px, 52px 52px;
  pointer-events: none;
}

.page-hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
  position: relative;
}

.page-hero .lead {
  max-width: 58ch;
}

.visual-frame-page img {
  height: 240px;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.block {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  background: var(--bg-2);
}

.block h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.block p,
.block li {
  color: var(--mute);
}

.block ul {
  margin: 0;
  padding-left: 18px;
}

.block li + li {
  margin-top: 6px;
}

.ui {
  border: 1px solid var(--line);
  background: var(--elev-2);
  border-radius: 16px;
  overflow: hidden;
}

.ui-bar {
  height: 36px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  border-bottom: 1px solid var(--line);
}

.ui-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #3a413b;
}

.ui-dot:first-child { background: #5a6158; }

.ui-body {
  padding: 14px;
  display: grid;
  gap: 8px;
}

.ui-row,
.ui-tile {
  height: 28px;
  border-radius: 8px;
  background: rgba(197, 232, 106, 0.08);
}

.ui-row.wide { height: 46px; }
.ui-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
}

.ui-tile {
  height: 64px;
}

.ui-chat {
  display: grid;
  gap: 8px;
}

.bubble {
  max-width: 80%;
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 13px;
  background: rgba(255, 255, 255, 0.05);
}

.bubble.me {
  justify-self: end;
  background: rgba(197, 232, 106, 0.16);
}

.footer {
  border-top: 1px solid var(--line);
  padding: 40px 0 28px;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 24px;
}

.footer a {
  display: block;
  color: var(--mute);
  font-size: 14px;
  margin-top: 8px;
}

.footer a:hover {
  color: var(--text);
}

.footer h3 {
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mute-2);
}

.footer-bottom {
  margin-top: 32px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--mute-2);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.mobile-cta {
  display: none;
  transform: translateY(140%);
  transition: transform 0.25s ease;
}

.mobile-cta.is-visible {
  transform: none;
}

.muted {
  color: var(--mute);
}

hr.line {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 0;
}

@media (max-width: 980px) {
  .hero-grid,
  .lead-box,
  .cases-grid,
  .split,
  .footer-grid,
  .caps,
  .problems,
  .process {
    grid-template-columns: 1fr;
  }

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

  .cap:first-child,
  .cap:last-child {
    grid-row: auto;
    grid-column: auto;
    min-height: 240px;
    flex-direction: column;
    align-items: stretch;
  }

  .flow-step {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .nav {
    position: fixed;
    top: var(--header);
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 50;
    background: rgba(9, 11, 10, 0.97);
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 24px 24px 120px;
    overflow: auto;
    margin: 0;
    gap: 4px;
  }

  .nav.is-open {
    display: flex;
  }

  .nav-drop {
    display: block;
    height: auto;
    align-self: stretch;
  }

  .nav-drop > button {
    height: auto;
    width: 100%;
  }

  .nav a,
  .nav-drop > button {
    font-size: 20px;
    color: var(--text);
    padding: 12px 0;
    text-align: left;
  }

  .nav-panel,
  .nav-drop.is-open .nav-panel,
  .nav-drop:hover .nav-panel,
  .nav-drop:focus-within .nav-panel {
    position: static;
    transform: none;
    display: grid;
    min-width: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
    padding: 0 0 8px 8px;
  }

  .header .btn {
    display: none;
  }

  .burger {
    display: flex;
  }

  .hero {
    min-height: calc(100svh - var(--header));
    align-items: flex-start;
    padding: 36px 0 56px;
  }

  .page-hero-grid {
    grid-template-columns: 1fr;
  }

  .legal div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .visual-frame img {
    height: 220px;
  }

  .eco-node {
    min-height: 0;
  }

  .visual-frame-page img {
    height: 180px;
  }

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

  .mobile-cta {
    display: flex;
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: 12px;
    z-index: 30;
    min-height: 52px;
    justify-content: center;
    align-items: center;
    border-radius: 999px;
    background: var(--accent);
    color: var(--ink);
    font-weight: 700;
    box-shadow: var(--shadow);
  }

  body {
    padding-bottom: 76px;
  }

  .section {
    padding: 64px 0;
  }
}

@media (max-width: 640px) {
  .wrap,
  .header-inner {
    width: min(100% - 28px, var(--wrap));
  }

  h1,
  .h1 {
    font-size: 32px;
  }

  .lead-box,
  .case-card,
  .problem,
  .cap {
    padding: 18px;
  }

  .eco-node {
    min-height: 0;
    padding: 14px;
  }

  .eco-node b {
    font-size: 15px;
  }

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

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

  .reveal,
  .eco-node,
  .flow-step,
  .process-item {
    opacity: 1;
    transform: none;
  }

  .pulse {
    animation: none;
  }

  .hero-video {
    display: none;
  }
}