:root {
  color-scheme: dark;
  --bg: #070a0c;
  --panel: #10171a;
  --panel-2: #132024;
  --panel-3: #0d1214;
  --text: #f4f0e8;
  --muted: #bfd0cb;
  --quiet: #7e928e;
  --line: rgba(244, 240, 232, 0.14);
  --line-strong: rgba(244, 240, 232, 0.24);
  --teal: #42dac9;
  --teal-soft: rgba(66, 218, 201, 0.12);
  --amber: #d59a32;
  --amber-soft: rgba(213, 154, 50, 0.14);
  --blue: #5c91ff;
  --ink: #071011;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 18% 10%, rgba(66, 218, 201, 0.11), transparent 32rem),
    radial-gradient(circle at 82% 42%, rgba(213, 154, 50, 0.08), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 76px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: clamp(14px, 2vw, 24px);
  align-items: center;
  padding: 0 clamp(18px, 4vw, 48px);
  background: rgba(7, 10, 12, 0.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand,
.nav-links,
.header-actions,
.hero-actions,
.closing-actions,
.contact-actions {
  display: flex;
  align-items: center;
}

.menu-toggle {
  display: none;
}

.brand {
  gap: 10px;
  color: var(--text);
  font-weight: 900;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  width: 38px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(66, 218, 201, 0.62);
  border-radius: 8px;
  background: var(--teal-soft);
  color: var(--teal);
  font-size: 0.86rem;
}

.nav-links {
  justify-content: center;
  gap: clamp(12px, 2vw, 26px);
}

.nav-links a,
.button,
.product-card {
  text-decoration: none;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.94rem;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a[aria-current="page"] {
  color: var(--text);
}

.header-actions,
.hero-actions,
.closing-actions,
.contact-actions {
  gap: 10px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-weight: 850;
}

.button.compact {
  min-height: 38px;
  padding-inline: 14px;
  background: var(--text);
  color: var(--ink);
  font-size: 0.88rem;
}

.button.primary {
  background: var(--text);
  color: var(--ink);
}

.button.secondary {
  background: rgba(244, 240, 232, 0.09);
  color: var(--text);
}

.button.tertiary,
.button.ghost {
  background: rgba(66, 218, 201, 0.07);
  border-color: rgba(66, 218, 201, 0.32);
  color: var(--teal);
}

.button.ghost {
  min-height: 38px;
  color: var(--text);
}

.hero {
  position: relative;
  min-height: min(760px, calc(100svh - 76px));
  overflow: hidden;
  display: grid;
  align-items: center;
  padding: clamp(58px, 8vw, 104px) clamp(18px, 4vw, 48px);
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.64;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(7, 10, 12, 0.96), rgba(7, 10, 12, 0.72) 46%, rgba(7, 10, 12, 0.44)),
    linear-gradient(0deg, rgba(7, 10, 12, 0.98), transparent 36%);
}

.hero-inner,
.section,
.contact-page,
.site-footer {
  width: min(100%, var(--max));
  margin-inline: auto;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: block;
}

.hero-copy-block {
  max-width: 1040px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--teal);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p,
li {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  letter-spacing: 0;
}

h1 {
  max-width: 960px;
  margin: 0;
  font-size: clamp(2.35rem, 3.55vw, 3.95rem);
  line-height: 1.04;
}

h2 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(1.85rem, 3.1vw, 3.05rem);
  line-height: 1.08;
}

h3 {
  margin: 0;
  font-size: 1.2rem;
}

.hero-copy {
  max-width: 760px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.45vw, 1.24rem);
}

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

.network-summary {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.network-summary span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 13px;
  border: 1px solid rgba(244, 240, 232, 0.18);
  border-radius: 7px;
  background: rgba(7, 10, 12, 0.46);
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
}

.section {
  padding: clamp(62px, 8vw, 106px) clamp(18px, 4vw, 48px);
}

.proof-bar {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding-top: clamp(34px, 5vw, 58px);
}

.proof-bar div,
.product-card,
.protocol-map article,
.necessity-result,
.surface-grid article,
.alpha-board div,
.contact-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(66, 218, 201, 0.045), rgba(213, 154, 50, 0.025)),
    rgba(244, 240, 232, 0.012);
}

.proof-bar div {
  padding: 22px;
}

.proof-bar span,
.protocol-map span,
.alpha-board span {
  display: block;
  margin-bottom: 9px;
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 950;
  text-transform: uppercase;
}

.proof-bar strong {
  display: block;
  font-size: 1.06rem;
}

.proof-bar p,
.text-stack p,
.necessity-chain p,
.protocol-map p,
.product-card p,
.surface-grid p,
.alpha-lead p,
.alpha-board p,
.alpha-board li,
.closing-band p,
.contact-page p {
  color: var(--muted);
}

.proof-bar p,
.necessity-chain p,
.protocol-map p,
.surface-grid p,
.alpha-board p {
  margin: 10px 0 0;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(380px, 1fr);
  gap: clamp(32px, 6vw, 84px);
  align-items: start;
}

.text-stack p {
  margin: 0;
  font-size: 1.06rem;
}

.text-stack p + p {
  margin-top: 18px;
}

.sharp-line {
  color: var(--text) !important;
  font-weight: 850;
}

.necessity-section {
  padding-top: 0;
}

.necessity-section .section-kicker {
  margin-bottom: 18px;
}

.necessity-intro {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.05rem;
}

.necessity-intro {
  margin: 0 0 30px;
}

.necessity-chain {
  display: grid;
  gap: 0;
  max-width: none;
  margin: 0;
  padding: 0;
  list-style: none;
}

.necessity-chain li {
  position: relative;
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: clamp(18px, 4vw, 44px);
  align-items: start;
  min-height: 76px;
  padding: 0 0 28px;
}

.necessity-chain li::before {
  content: "";
  position: absolute;
  top: 34px;
  bottom: 2px;
  left: 10px;
  width: 14px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 100' preserveAspectRatio='none'%3E%3Cpath d='M7 0 V76 M2 69 L7 76 L12 69' fill='none' stroke='%2342dac9' stroke-opacity='.72' stroke-width='1.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 100% 100% no-repeat;
}

.necessity-chain li:last-child {
  padding-bottom: 0;
}

.necessity-chain li:last-child::before {
  content: none;
}

.necessity-result {
  display: grid;
  grid-template-columns: minmax(220px, 0.34fr) minmax(0, 1fr);
  gap: clamp(18px, 4vw, 52px);
  align-items: center;
  margin-top: 30px;
  padding: 26px clamp(22px, 4vw, 38px);
  border: 1px solid rgba(213, 154, 50, 0.44);
  border-color: rgba(213, 154, 50, 0.44);
  background:
    linear-gradient(145deg, rgba(213, 154, 50, 0.2), rgba(66, 218, 201, 0.055)),
    rgba(22, 20, 13, 0.86);
}

.necessity-chain span {
  display: inline-grid;
  width: 34px;
  height: 28px;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 8px;
  background: rgba(66, 218, 201, 0.11);
  color: var(--teal);
  font-size: 0.75rem;
  font-weight: 950;
}

.necessity-chain p {
  align-self: center;
  max-width: 1060px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.32vw, 1.18rem);
}

.necessity-chain strong,
.necessity-result strong {
  display: block;
  color: var(--text);
  font-size: inherit;
}

.necessity-result strong {
  white-space: nowrap;
  font-size: clamp(1.06rem, 1.5vw, 1.35rem);
  letter-spacing: 0.02em;
}

.necessity-result p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.protocol-map {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding-top: 0;
}

.protocol-map article {
  position: relative;
  min-height: 220px;
  padding: 22px;
  overflow: hidden;
}

.protocol-icon {
  display: grid;
  width: 46px;
  height: 46px;
  margin-bottom: 22px;
  padding: 10px;
  border-radius: 8px;
  background: rgba(66, 218, 201, 0.08);
  border: 1px solid rgba(66, 218, 201, 0.35);
  color: var(--teal);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.protocol-map article:nth-child(2) .protocol-icon,
.protocol-map article:nth-child(5) .protocol-icon {
  color: var(--amber);
  background: rgba(213, 154, 50, 0.1);
  border-color: rgba(213, 154, 50, 0.38);
}

.protocol-map article:nth-child(3) .protocol-icon,
.protocol-map article:nth-child(6) .protocol-icon {
  color: var(--blue);
  background: rgba(92, 145, 255, 0.1);
  border-color: rgba(92, 145, 255, 0.4);
}

.protocol-map span {
  color: var(--text);
  font-size: 1.02rem;
  text-transform: none;
}

.section-kicker {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  align-items: start;
  margin-bottom: clamp(30px, 5vw, 54px);
}

.section-kicker h2 {
  margin-top: 0;
}

.usecase-section .section-kicker,
.alpha-section .alpha-lead {
  margin-left: auto;
}

.products-section .section-kicker,
.necessity-section .section-kicker {
  margin-left: 0;
}

.usecase-section .section-kicker,
.products-section .section-kicker {
  max-width: 760px;
}

.necessity-section .section-kicker {
  max-width: 760px;
}

.products-section {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 22px;
  min-height: 238px;
  padding: clamp(28px, 4vw, 40px);
  overflow: hidden;
  color: inherit;
  transition:
    border-color 160ms ease,
    transform 160ms ease,
    background 160ms ease;
}

.product-card:hover,
.product-card:focus-visible {
  border-color: rgba(66, 218, 201, 0.44);
  transform: translateY(-2px);
}

.product-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--teal), var(--blue));
}

.product-card.locker::before {
  background: linear-gradient(180deg, var(--amber), #e3d06a);
}

.product-card.talks {
  background:
    linear-gradient(145deg, rgba(66, 218, 201, 0.12), rgba(92, 145, 255, 0.06)),
    rgba(13, 18, 20, 0.78);
}

.product-card.locker {
  background:
    linear-gradient(145deg, rgba(213, 154, 50, 0.14), rgba(66, 218, 201, 0.045)),
    rgba(13, 18, 20, 0.78);
}

.product-mark {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border-radius: 8px;
  background: var(--teal-soft);
  border: 1px solid rgba(66, 218, 201, 0.38);
  color: var(--teal);
  font-weight: 950;
}

.locker .product-mark {
  background: var(--amber-soft);
  border-color: rgba(213, 154, 50, 0.38);
  color: var(--amber);
}

.product-card h3 {
  font-size: clamp(1.9rem, 2.6vw, 2.8rem);
}

.product-previews {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 4px;
}

.product-previews img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  border: 1px solid rgba(244, 240, 232, 0.16);
  border-radius: 6px;
  background: var(--panel-3);
  transition: border-color 160ms ease, transform 160ms ease;
}

.product-card:hover .product-previews img,
.product-card:focus-visible .product-previews img {
  border-color: rgba(244, 240, 232, 0.28);
  transform: translateY(-1px);
}

.usecase-section {
  background:
    linear-gradient(145deg, rgba(66, 218, 201, 0.035), rgba(213, 154, 50, 0.025) 44%, transparent 74%);
}

.surface-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.surface-grid article {
  position: relative;
  padding: 24px;
}

.surface-grid article::before {
  content: "";
  display: block;
  width: 32px;
  height: 3px;
  margin-bottom: 18px;
  border-radius: 999px;
  background: var(--teal);
}

.surface-grid article:nth-child(3n + 2)::before {
  background: var(--amber);
}

.surface-grid article:nth-child(3n)::before {
  background: var(--blue);
}

.alpha-section {
  display: grid;
  grid-template-columns: minmax(0, 0.76fr) minmax(420px, 1.24fr);
  gap: clamp(32px, 6vw, 80px);
  border-top: 1px solid var(--line);
}

.alpha-board {
  display: grid;
  gap: 12px;
}

.alpha-board div {
  padding: 22px;
}

.alpha-board ul {
  margin: 12px 0 0;
  padding-left: 1.1rem;
}

.alpha-board li {
  margin: 8px 0;
  padding-left: 2px;
}

.alpha-board li::marker {
  color: var(--teal);
}

.closing-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(28px, 6vw, 80px);
  align-items: center;
  margin-block: clamp(42px, 7vw, 82px);
  border: 1px solid rgba(66, 218, 201, 0.26);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(66, 218, 201, 0.12), rgba(213, 154, 50, 0.1)),
    var(--panel-3);
}

.closing-band h2 {
  font-size: clamp(1.9rem, 3vw, 2.9rem);
}

.app-page {
  width: min(100%, var(--max));
  margin-inline: auto;
  padding: clamp(70px, 9vw, 118px) clamp(18px, 4vw, 48px);
}

.app-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 0.78fr);
  gap: clamp(34px, 7vw, 86px);
  align-items: start;
}

.app-hero h1 {
  max-width: 760px;
  font-size: clamp(2.45rem, 4.2vw, 4.2rem);
}

.app-copy {
  margin-top: 24px;
  color: var(--muted);
  font-size: 1.08rem;
}

.app-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: clamp(24px, 4vw, 36px);
  background:
    linear-gradient(145deg, rgba(66, 218, 201, 0.09), rgba(92, 145, 255, 0.04)),
    rgba(13, 18, 20, 0.78);
}

.app-panel.amber {
  background:
    linear-gradient(145deg, rgba(213, 154, 50, 0.14), rgba(66, 218, 201, 0.045)),
    rgba(13, 18, 20, 0.78);
}

.app-panel ul {
  margin: 18px 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.app-panel li {
  margin: 10px 0;
}

.screenshot-section {
  margin-top: clamp(58px, 8vw, 96px);
}

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.screenshot-section h2 {
  font-size: clamp(1.8rem, 3vw, 2.7rem);
}

.screenshot-frame {
  display: block;
  aspect-ratio: 16 / 10;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(244, 240, 232, 0.16);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(66, 218, 201, 0.05), rgba(213, 154, 50, 0.04)),
    rgba(244, 240, 232, 0.018);
}

.screenshot-expand {
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: zoom-in;
}

.screenshot-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center top;
}

.screenshot-lightbox {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  align-items: center;
  justify-content: center;
  padding: clamp(18px, 4vw, 48px);
  background: rgba(7, 10, 12, 0.9);
  backdrop-filter: blur(12px);
}

.screenshot-lightbox.is-open {
  display: flex;
}

.screenshot-lightbox img {
  display: block;
  max-width: min(100%, 1320px);
  max-height: 86svh;
  object-fit: contain;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--panel-3);
}

.lightbox-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(66, 218, 201, 0.38);
  border-radius: 8px;
  background: rgba(7, 10, 12, 0.72);
  color: var(--text);
  font-size: 1.4rem;
  line-height: 1;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  width: 46px;
  height: 58px;
  transform: translateY(-50%);
  border: 1px solid rgba(66, 218, 201, 0.32);
  border-radius: 8px;
  background: rgba(7, 10, 12, 0.68);
  color: var(--text);
  font-size: 2rem;
  line-height: 1;
}

.lightbox-nav.previous {
  left: 16px;
}

.lightbox-nav.next {
  right: 16px;
}

.contact-page {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.85fr);
  gap: clamp(34px, 7vw, 92px);
  align-items: center;
  min-height: calc(100svh - 76px);
  padding: clamp(62px, 8vw, 102px) clamp(18px, 4vw, 48px);
}

.contact-page .company-note {
  grid-column: 1 / -1;
  margin-top: -32px;
}

.contact-intro h1 {
  max-width: 760px;
  font-size: clamp(2.25rem, 3.8vw, 3.8rem);
  line-height: 1.03;
}

.contact-intro p {
  max-width: 690px;
  margin-top: 22px;
  font-size: 1.06rem;
}

.contact-card {
  padding: clamp(28px, 4vw, 42px);
  background:
    linear-gradient(145deg, rgba(66, 218, 201, 0.09), rgba(213, 154, 50, 0.055)),
    var(--panel);
}

.contact-card h2 {
  font-size: clamp(2rem, 3vw, 3rem);
}

.company-note {
  padding: 24px 0 0;
  border-top: 1px solid var(--line);
}

.company-note h2 {
  font-size: clamp(1.45rem, 2vw, 2rem);
}

.company-note p:not(.eyebrow) {
  max-width: none;
  width: 100%;
  margin: 14px 0 0;
  color: var(--muted);
}

.contact-card p {
  margin-top: 18px;
}

.contact-actions {
  margin-top: 28px;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 18px;
  align-items: center;
  padding: 30px clamp(18px, 4vw, 48px) 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

@media (max-width: 1060px) {
  .site-header {
    grid-template-columns: auto 1fr;
  }

  .header-actions {
    grid-column: 1 / -1;
    justify-content: flex-start;
    padding-bottom: 14px;
  }

  .split-section,
  .section-kicker,
  .alpha-section,
  .closing-band,
  .app-hero,
  .contact-page {
    grid-template-columns: 1fr;
  }

  .contact-page .company-note {
    grid-column: auto;
    margin-top: 0;
  }

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

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

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

@media (max-width: 760px) {
  .site-header {
    display: grid;
    grid-template-columns: 1fr auto;
    min-height: 58px;
    gap: 0;
    align-items: center;
    padding-block: 10px;
  }

  .menu-toggle {
    display: inline-flex;
    flex-direction: column;
    gap: 4px;
    width: 42px;
    height: 38px;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 1px solid rgba(66, 218, 201, 0.38);
    border-radius: 8px;
    background: rgba(66, 218, 201, 0.07);
    color: var(--text);
  }

  .menu-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
  }

  .menu-toggle span + span {
    margin-top: 0;
  }

  .site-header.is-menu-open .menu-toggle span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .site-header.is-menu-open .menu-toggle span:nth-child(2) {
    opacity: 0;
  }

  .site-header.is-menu-open .menu-toggle span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .nav-links,
  .header-actions {
    display: none;
  }

  .site-header.is-menu-open .nav-links {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    grid-column: 1 / -1;
    width: 100%;
    justify-content: flex-start;
    gap: 0;
    margin-top: 14px;
  }

  .nav-links a {
    display: flex;
    min-height: 42px;
    align-items: center;
    justify-content: flex-end;
    text-align: right;
    border-top: 1px solid var(--line);
    color: var(--text);
    font-size: 0.92rem;
  }

  .site-header.is-menu-open .header-actions {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    grid-column: 1 / -1;
    width: 100%;
    padding: 8px 0 0;
  }

  .hero {
    min-height: auto;
    padding-top: 58px;
    padding-bottom: 76px;
  }

  h1 {
    font-size: clamp(1.95rem, 8.8vw, 2.95rem);
  }

  h2 {
    font-size: clamp(1.75rem, 8vw, 2.65rem);
  }

  .proof-bar,
  .protocol-map,
  .product-grid,
  .surface-grid {
    grid-template-columns: 1fr;
  }

  .necessity-chain li {
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 16px;
    min-height: 86px;
    padding-bottom: 24px;
  }

  .necessity-chain li::before {
    left: 10px;
  }

  .necessity-result {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .necessity-result strong {
    white-space: nowrap;
    font-size: clamp(0.92rem, 4.1vw, 1.08rem);
  }

  .product-card {
    grid-template-columns: 1fr;
  }

  .product-mark {
    margin-bottom: -4px;
  }

  .product-previews {
    grid-template-columns: 1fr;
  }

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

  .button {
    width: 100%;
  }

  .site-header.is-menu-open .header-actions .button {
    justify-content: flex-end;
  }

  .lightbox-nav {
    width: 40px;
    height: 52px;
  }

  .site-footer {
    grid-template-columns: 1fr;
  }
}