:root {
  --radius: 12px;
  --font-display: "Syne", sans-serif;
  --font-body: "Instrument Sans", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --max: 1160px;
  --ok: #1f9d63;
  --warn: #c98a12;
}

html[data-theme="blueprint"] {
  --bg: #f3f6f9;
  --bg-elev: #ffffff;
  --ink: #142033;
  --muted: #5c6b7f;
  --line: rgba(20, 32, 51, 0.1);
  --accent: #0a5f86;
  --accent-2: #9a4f1f;
  --accent-soft: rgba(10, 95, 134, 0.08);
  --glow: rgba(10, 95, 134, 0.1);
  --nav-bg: rgba(243, 246, 249, 0.92);
  --card: #ffffff;
  --canvas-opacity: 0.28;
  --c1: 10; --c2: 95; --c3: 134;
  --c4: 154; --c5: 79; --c6: 31;
}

html[data-theme="copper-lab"] {
  --bg: #141210;
  --bg-elev: #1c1916;
  --ink: #f3efe7;
  --muted: #b2a897;
  --line: rgba(243, 239, 231, 0.1);
  --accent: #c98445;
  --accent-2: #3aa396;
  --accent-soft: rgba(201, 132, 69, 0.12);
  --glow: rgba(58, 163, 150, 0.14);
  --nav-bg: rgba(20, 18, 16, 0.9);
  --card: #1c1916;
  --canvas-opacity: 0.4;
  --c1: 201; --c2: 132; --c3: 69;
  --c4: 58; --c5: 163; --c6: 150;
}

html[data-theme="terminal"] {
  --bg: #0c100e;
  --bg-elev: #131916;
  --ink: #e6f2ea;
  --muted: #8fa497;
  --line: rgba(230, 242, 234, 0.1);
  --accent: #4fd992;
  --accent-2: #d4b84a;
  --accent-soft: rgba(79, 217, 146, 0.1);
  --glow: rgba(79, 217, 146, 0.12);
  --nav-bg: rgba(12, 16, 14, 0.92);
  --card: #131916;
  --canvas-opacity: 0.35;
  --c1: 79; --c2: 217; --c3: 146;
  --c4: 212; --c5: 184; --c6: 74;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background 0.4s var(--ease), color 0.4s var(--ease);
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: var(--canvas-opacity);
}

.site { position: relative; z-index: 2; }

.container {
  width: min(var(--max), calc(100% - 3rem));
  margin-inline: auto;
}

/* ——— Nav ——— */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.9rem 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}
.brand-mark {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 10px;
  display: block;
}
.brand-text { min-width: 0; }
.brand-name {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.brand-sub {
  display: block;
  margin-top: 0.15rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  list-style: none;
}
.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--ink); }
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}
.theme-select {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.4rem 0.55rem;
  cursor: pointer;
}
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.nav-toggle svg { width: 20px; height: 20px; }

/* ——— Buttons ——— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.15rem;
  border-radius: 8px;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: 0.2s var(--ease);
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
html[data-theme="copper-lab"] .btn-primary,
html[data-theme="terminal"] .btn-primary {
  color: #111;
}
.btn-primary:hover { filter: brightness(1.05); transform: translateY(-1px); }
.btn-secondary {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}
.btn-secondary:hover { border-color: var(--accent); }
.btn-sm { padding: 0.5rem 0.85rem; font-size: 0.84rem; }

/* ——— Badges ——— */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.28rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  white-space: nowrap;
}
.badge::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}
.badge-live { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 35%, transparent); }
.badge-live::before { animation: pulse 2s infinite; }
.badge-deploying { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 35%, transparent); }
.badge-delivered { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 35%, transparent); }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--ok) 60%, transparent); }
  70% { box-shadow: 0 0 0 6px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

/* ——— Sections ——— */
.section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--line);
}

.section-head {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
  max-width: 56rem;
}
.section-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  padding-top: 0.35rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 0.65rem;
}
.section-lead {
  color: var(--muted);
  font-size: 1.02rem;
  max-width: 58ch;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.ticks {
  list-style: none;
  display: grid;
  gap: 0.45rem;
}
.ticks li {
  font-size: 0.9rem;
  color: var(--muted);
  padding-left: 1.1rem;
  position: relative;
}
.ticks li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  position: absolute;
  left: 0;
  top: 0.55rem;
}
.ticks li strong { color: var(--ink); font-weight: 600; }

/* ——— Hero ——— */
.hero {
  padding: 5rem 0 3.5rem;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, var(--accent-soft), transparent 60%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.9fr;
  gap: 3rem;
  align-items: start;
}
.hero-kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.6vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  font-weight: 800;
  margin-bottom: 1.25rem;
  max-width: 20ch;
}
.hero h1 em {
  font-style: normal;
  color: var(--accent);
}
.hero-copy {
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 52ch;
  margin-bottom: 1.75rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}
.hero-trust {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.hero-trust strong { color: var(--ink); font-weight: 600; }

.portfolio-card {
  padding: 1.35rem 1.4rem;
}
.portfolio-card h2 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: 0.4rem;
}
.portfolio-card > p {
  font-size: 0.86rem;
  color: var(--muted);
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line);
}
.portfolio-list { list-style: none; }
.portfolio-list li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}
.portfolio-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.portfolio-list a,
.portfolio-list .name {
  color: var(--ink);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
}
.portfolio-list a:hover { color: var(--accent); }
.portfolio-list small {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 3rem;
  border-top: 1px solid var(--line);
}
.stat {
  padding: 1.25rem 1rem 0 0;
}
.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.4vw, 1.8rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--ink);
}
.stat span {
  font-size: 0.86rem;
  color: var(--muted);
}

/* ——— Sectors strip ——— */
.sectors {
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--line);
}
.sectors-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1.75rem;
}
.sectors-inner p {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.sectors-inner span {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink);
  opacity: 0.8;
}

/* ——— Products ——— */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.product {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.product:hover { border-color: color-mix(in srgb, var(--accent) 45%, transparent); transform: translateY(-3px); }
.product-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  padding: 1.2rem 1.35rem;
  background: var(--accent-soft);
  border-bottom: 1px solid var(--line);
}
.product-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--card);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  color: var(--accent);
}
.product-icon svg { width: 24px; height: 24px; }
.product-body {
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  flex: 1;
}
.product h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.product .tagline {
  font-size: 0.9rem;
  color: var(--accent-2);
  font-weight: 600;
  margin-top: -0.5rem;
}
.product p.desc {
  color: var(--muted);
  font-size: 0.93rem;
}
.product-for {
  font-size: 0.84rem;
  color: var(--muted);
  padding: 0.7rem 0.85rem;
  border: 1px dashed var(--line);
  border-radius: 8px;
}
.product-for strong {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  display: block;
  margin-bottom: 0.15rem;
}
.product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 0.5rem;
}
.stack-line {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ——— Flagship deep-dive ——— */
.deep {
  margin-top: 1.25rem;
  overflow: hidden;
}
.deep summary {
  list-style: none;
  cursor: pointer;
  padding: 1.1rem 1.4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-weight: 600;
}
.deep summary::-webkit-details-marker { display: none; }
.deep summary .chev { transition: transform 0.25s var(--ease); color: var(--accent); }
.deep[open] summary .chev { transform: rotate(180deg); }
.deep-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}
.deep-grid article {
  padding: 1.35rem 1.4rem;
  border-right: 1px solid var(--line);
}
.deep-grid article:last-child { border-right: 0; }
.deep-grid h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

/* ——— Client work ——— */
.client {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  overflow: hidden;
}
.client-copy {
  padding: 1.9rem 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.client-copy h3 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
}
.client-copy p { color: var(--muted); font-size: 0.96rem; }
.client-outcomes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
}
.client-outcomes div {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.75rem 0.8rem;
}
.client-outcomes strong {
  display: block;
  font-size: 0.88rem;
  margin-bottom: 0.15rem;
}
.client-outcomes span { font-size: 0.78rem; color: var(--muted); }

.client-visual {
  background: var(--accent-soft);
  border-left: 1px solid var(--line);
  padding: 2rem 1.75rem;
  display: grid;
  place-items: center;
}
.browser {
  width: 100%;
  max-width: 460px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 24px 50px -24px rgba(0, 0, 0, 0.35);
}
.browser-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--line);
}
.browser-bar i {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--line);
}
.browser-bar span {
  margin-left: 0.5rem;
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--muted);
  background: var(--accent-soft);
  border-radius: 5px;
  padding: 0.2rem 0.55rem;
}
.browser-hero {
  padding: 1.5rem 1.25rem 1.25rem;
  background: linear-gradient(135deg, #0f3d2e, #1d6b4a);
  color: #eef7f1;
}
.browser-hero small {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.8;
}
.browser-hero b {
  display: block;
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1.15;
  margin: 0.35rem 0 0.5rem;
}
.browser-hero p { font-size: 0.75rem; opacity: 0.85; }
.browser-tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  padding: 0.9rem 1rem 1.1rem;
}
.browser-tiles div {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.5rem;
  font-size: 0.66rem;
  color: var(--muted);
}
.browser-tiles div b {
  display: block;
  color: var(--ink);
  font-size: 0.72rem;
  margin-bottom: 0.1rem;
}

/* ——— Services ——— */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}
.service {
  padding: 1.35rem 1.25rem;
  display: flex;
  flex-direction: column;
}
.service .eyebrow { margin-bottom: 0.6rem; display: block; }
.service h3 {
  font-family: var(--font-display);
  font-size: 1.08rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}
.service p {
  color: var(--muted);
  font-size: 0.9rem;
}
.service-out {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: auto;
  padding-top: 1rem;
}
.service-out span {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
  white-space: nowrap;
}

/* ——— Why us ——— */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.why {
  padding: 1.45rem 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.why .n {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--accent);
}
.why h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}
.why p { color: var(--muted); font-size: 0.92rem; }

/* ——— Team ——— */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}
.member {
  padding: 1.45rem 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.member:hover { border-color: color-mix(in srgb, var(--accent) 45%, transparent); transform: translateY(-3px); }
.member .avatar {
  width: 96px;
  height: 96px;
  flex-shrink: 0;
  border-radius: 50%;
  display: grid;
  place-items: center;
  margin: 0.2rem 0 0.5rem 0.2rem;
  background: var(--accent-soft);
  box-shadow: 0 0 0 4px var(--card), 0 0 0 5px color-mix(in srgb, var(--accent) 40%, transparent);
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  overflow: hidden;
  transition: box-shadow 0.25s var(--ease);
}
.member:hover .avatar { box-shadow: 0 0 0 4px var(--card), 0 0 0 5px var(--accent); }
.member .avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 30%;
  transition: filter 0.35s var(--ease), transform 0.35s var(--ease);
}
@media (hover: hover) {
  .member .avatar img { filter: grayscale(1) contrast(1.05); }
  .member:hover .avatar img,
  .member:focus-within .avatar img { filter: none; transform: scale(1.04); }
}
.member-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}
.member-tags span {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.22rem 0.5rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--accent-soft);
  color: var(--muted);
  white-space: nowrap;
}
.member h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}
.member .role {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}
.member p { color: var(--muted); font-size: 0.92rem; }
.member-links {
  display: flex;
  gap: 0.6rem;
  margin-top: auto;
  padding-top: 0.4rem;
}
.member-links a {
  display: inline-flex;
  color: var(--muted);
  transition: color 0.2s var(--ease);
}
.member-links a:hover { color: var(--accent); }
.member-links svg { width: 18px; height: 18px; }

/* ——— Business model ——— */
.model-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.engine {
  padding: 1.5rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.engine-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}
.engine h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}
.engine p { color: var(--muted); font-size: 0.92rem; }
.engine .revenue {
  margin-top: auto;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
  font-size: 0.84rem;
  color: var(--muted);
}
.engine .revenue strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 0.15rem;
}

.flywheel {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  overflow: hidden;
}
.flywheel div {
  padding: 1.15rem 1.2rem;
  border-right: 1px solid var(--line);
  position: relative;
}
.flywheel div:last-child { border-right: 0; }
.flywheel .n {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  margin-bottom: 0.35rem;
}
.flywheel strong { display: block; font-size: 0.95rem; margin-bottom: 0.2rem; }
.flywheel p { font-size: 0.84rem; color: var(--muted); }

/* ——— Process ——— */
.process {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  overflow: hidden;
}
.process-step {
  padding: 1.4rem 1.25rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.process-step:nth-child(3n) { border-right: 0; }
.process-step:nth-last-child(-n+3) { border-bottom: 0; }
.process-step .n {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  margin-bottom: 0.65rem;
}
.process-step h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 0.45rem;
}
.process-step p {
  color: var(--muted);
  font-size: 0.9rem;
}

/* ——— Tech ——— */
.tech-groups {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}
.tech-group {
  padding: 1.25rem 1.2rem;
}
.tech-group h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: 0.85rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--line);
}
.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.tech-tags span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
}
.security-note {
  margin-top: 1rem;
  padding: 1.25rem 1.4rem;
  display: grid;
  grid-template-columns: 14rem 1fr;
  gap: 1.25rem;
  align-items: start;
}
.security-note h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
}
.security-note .tech-tags span { color: var(--ink); }

/* ——— FAQ ——— */
.faq-list {
  display: grid;
  gap: 0.7rem;
  margin-top: 1.25rem;
}
.faq-item { overflow: hidden; }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.05rem 1.35rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-weight: 600;
  font-size: 0.98rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .chev {
  color: var(--accent);
  flex-shrink: 0;
  transition: transform 0.25s var(--ease);
}
.faq-item[open] summary .chev { transform: rotate(180deg); }
.faq-body {
  padding: 0 1.35rem 1.3rem;
  color: var(--muted);
  font-size: 0.94rem;
  max-width: 72ch;
}
.faq-body p + p { margin-top: 0.7rem; }

/* ——— Testimonials ——— */
.quote-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.quote {
  padding: 1.6rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.quote blockquote {
  font-size: 1.05rem;
  line-height: 1.55;
  letter-spacing: -0.01em;
}
.quote figcaption {
  border-top: 1px solid var(--line);
  padding-top: 0.85rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.quote figcaption strong {
  display: block;
  color: var(--ink);
  font-size: 0.92rem;
}

/* ——— CTA band ——— */
.cta-band {
  padding: 1.9rem 1.8rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  background:
    linear-gradient(120deg, var(--accent-soft), transparent 70%),
    var(--card);
}
.cta-band h3 {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  letter-spacing: -0.02em;
  margin-bottom: 0.3rem;
}
.cta-band p {
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 56ch;
}
.cta-band .eyebrow { display: block; margin-bottom: 0.5rem; }
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

/* ——— Contact ——— */
.contact-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 1rem;
}
.contact-main,
.contact-side {
  padding: 1.6rem 1.5rem;
}
.contact-main h3 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
}
.contact-main > p {
  color: var(--muted);
  margin-bottom: 1.25rem;
  max-width: 52ch;
}
.form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}
.field { display: grid; gap: 0.3rem; }
.field.full { grid-column: 1 / -1; }
.field label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.field input,
.field select,
.field textarea {
  font: inherit;
  font-size: 0.94rem;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.65rem 0.75rem;
  width: 100%;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 50%, transparent);
  outline-offset: 1px;
  border-color: var(--accent);
}
.form-foot {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem;
}
.form-foot small { color: var(--muted); font-size: 0.8rem; }

.contact-side .eyebrow { display: block; }
.contact-side .ticks { margin-top: 0.9rem; }

.contact-rows {
  list-style: none;
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.contact-rows li {
  display: grid;
  gap: 0.15rem;
}
.contact-rows .label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.contact-rows a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}
.contact-rows a:hover { text-decoration: underline; }

/* ——— Footer ——— */
.footer {
  padding: 3rem 0 2.25rem;
  color: var(--muted);
  font-size: 0.88rem;
  border-top: 1px solid var(--line);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, minmax(0, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-grid > div > p { margin-top: 0.8rem; max-width: 34ch; }
.footer h4 {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 0.75rem;
}
.footer ul { list-style: none; display: grid; gap: 0.4rem; }
.footer a {
  color: var(--muted);
  text-decoration: none;
}
.footer a:hover { color: var(--accent); }
.footer-base {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
}

/* ——— Shared utilities (multi-page) ——— */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--accent);
  text-decoration: none;
  transition: gap 0.2s var(--ease);
}
.link-arrow:hover { gap: 0.55rem; text-decoration: underline; }

.section-foot {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.25rem;
}

.platform-mini {
  padding: 1.4rem 1.3rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  color: inherit;
  text-decoration: none;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.platform-mini:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  transform: translateY(-3px);
}
.platform-mini .mini-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}
.platform-mini h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.platform-mini .tagline {
  color: var(--accent-2);
  font-weight: 600;
  font-size: 0.86rem;
  margin-top: -0.25rem;
}
.platform-mini p {
  color: var(--muted);
  font-size: 0.92rem;
}
.platform-mini .link-arrow {
  margin-top: auto;
  padding-top: 0.5rem;
}

.fade-up {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.fade-up.visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .fade-up { opacity: 1; transform: none; transition: none; }
  .badge-live::before { animation: none; }
  html { scroll-behavior: auto; }
}

@media (max-width: 1080px) {
  .nav-links { gap: 1rem; }
  .services-grid,
  .tech-groups { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-grid { grid-template-columns: 1fr 1fr; }
  .team-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flywheel { grid-template-columns: 1fr 1fr; }
  .flywheel div:nth-child(2) { border-right: 0; }
  .flywheel div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 1180px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem 1.5rem 1rem;
    background: var(--nav-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
  }
  .nav-links.open { display: flex; }
  .nav-links a { display: block; padding: 0.7rem 0; border-bottom: 1px solid var(--line); }
}

@media (max-width: 720px) {
  .nav-cta { display: none; }
}

@media (max-width: 920px) {
  .hero-grid,
  .client,
  .model-grid,
  .invest-grid,
  .invest-lower,
  .contact-grid,
  .deep-grid,
  .process,
  .security-note,
  .why-grid,
  .quote-grid {
    grid-template-columns: 1fr;
  }
  .product-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .client-visual { border-left: 0; border-top: 1px solid var(--line); }
  .deep-grid article,
  .process-step {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .process-step:nth-last-child(-n+3) { border-bottom: 1px solid var(--line); }
  .deep-grid article:last-child,
  .process-step:last-child { border-bottom: 0; }
  .section-head { grid-template-columns: 1fr; gap: 0.35rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .container { width: calc(100% - 2rem); }
  .brand-sub { display: none; }
  .services-grid,
  .tech-groups,
  .team-grid,
  .flywheel,
  .client-outcomes,
  .form { grid-template-columns: 1fr; }
  .flywheel div { border-right: 0; border-bottom: 1px solid var(--line); }
  .flywheel div:last-child { border-bottom: 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 3.5rem; }
  .cta-band { padding: 1.5rem 1.25rem; }
}
/* ============================================================
   MOBILE ACCESSIBILITY & RESPONSIVENESS — additions
   ============================================================ */

/* --- Skip link (visible only on focus) --- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 1000;
  padding: 0.75rem 1rem;
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: top 0.2s var(--ease);
}
html[data-theme="copper-lab"] .skip-link,
html[data-theme="terminal"] .skip-link { color: #111; }
.skip-link:focus { top: 1rem; }

/* --- Global focus-visible --- */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}
a:focus:not(:focus-visible),
button:focus:not(:focus-visible) { outline: none; }

/* --- Badge: pilot (distinct from live/delivered) --- */
.badge-pilot {
  color: var(--accent-2);
  border-color: color-mix(in srgb, var(--accent-2) 40%, transparent);
}

/* --- Touch targets: min 44x44 on interactive --- */
.member-links a {
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  margin: -0.5rem;
}
.member-links svg { width: 20px; height: 20px; }

.portfolio-list a { display: inline-block; padding: 0.25rem 0; }

.link-arrow {
  min-height: 44px;
  padding: 0.25rem 0;
}

/* --- Overflow safety --- */
.member, .product, .service, .why, .engine, .process-step,
.article-card { min-width: 0; }
.stack-line, .contact-rows a, .footer-base a,
.client-copy p, .article-card p {
  overflow-wrap: anywhere;
}

/* --- Hero trust wrapping (removes need for  ) --- */
.hero-trust { gap: 0.5rem 1rem; }

/* --- Hover gating for touch devices --- */
@media (hover: none) {
  .member:hover,
  .platform-mini:hover,
  .product:hover {
    border-color: var(--line);
    transform: none;
  }
  .member:hover .avatar {
    box-shadow: 0 0 0 4px var(--card),
                0 0 0 5px color-mix(in srgb, var(--accent) 40%, transparent);
  }
  .member:hover .avatar img {
    filter: grayscale(1) contrast(1.05);
    transform: none;
  }
}

/* --- Article card styles (insights) --- */
.article-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
@media (max-width: 720px) { .article-grid { grid-template-columns: 1fr; } }

.article-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.5rem 1.4rem;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
@media (hover: hover) {
  .article-card:hover {
    border-color: color-mix(in srgb, var(--accent) 45%, transparent);
    transform: translateY(-3px);
  }
}
.article-card .article-meta {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.article-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  line-height: 1.25;
  letter-spacing: -0.02em;
}
.article-card p {
  font-size: 0.92rem;
  color: var(--muted);
}
.article-card .link-arrow {
  margin-top: auto;
  padding-top: 0.5rem;
}

/* --- Featured article (larger block) --- */
.article-featured {
  padding: 2rem 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.article-featured .article-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
}
.article-featured h3 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.4vw, 1.7rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
}
.article-featured p {
  color: var(--muted);
  font-size: 0.98rem;
  max-width: 60ch;
}
.article-featured .article-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

/* --- Filter pills (insights categories) --- */
.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}
.filter-pills button {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: var(--card);
  cursor: pointer;
  min-height: 40px;
  transition: 0.2s var(--ease);
}
.filter-pills button:hover { color: var(--ink); border-color: var(--accent); }
.filter-pills button.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
html[data-theme="copper-lab"] .filter-pills button.active,
html[data-theme="terminal"] .filter-pills button.active { color: #111; }

/* --- Work page: case-study pill / meta --- */
.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* --- Better breakpoints (override earlier rules) --- */

/* Section breathing room on tablets */
@media (max-width: 920px) {
  .section { padding: 4rem 0; }
  .hero { padding: 4rem 0 3rem; }
}

/* Nav improvements < 720px */
@media (max-width: 720px) {
  .nav-inner { gap: 0.65rem; padding: 0.75rem 0; }
  .brand-mark { width: 34px; height: 34px; }
  .brand-name { font-size: 1.05rem; }
  .theme-select { font-size: 0.68rem; padding: 0.35rem 0.5rem; }
  .nav-toggle { width: 38px; height: 38px; }
}

/* Tighter typography and controls < 600px */
@media (max-width: 600px) {
  .section { padding: 3.25rem 0; }
  .hero { padding: 3rem 0 2.5rem; }
  .section-title { font-size: 1.55rem; }
  .section-lead { font-size: 0.98rem; }
  .hero h1 { font-size: clamp(1.9rem, 7vw, 2.6rem); }

  /* Prevent iOS auto-zoom on focus */
  .field input,
  .field select,
  .field textarea { font-size: 16px; }

  .btn { padding: 0.75rem 1rem; min-height: 44px; }
  .btn-sm { padding: 0.6rem 0.9rem; font-size: 0.88rem; min-height: 40px; }

  .stats { grid-template-columns: 1fr; gap: 0.25rem; }
  .stat { padding-top: 1rem; }

  .member { padding: 1.25rem 1.1rem; }
  .member .avatar { width: 80px; height: 80px; }

  .article-featured { padding: 1.5rem 1.25rem; }
}

/* Extra small screens */
@media (max-width: 400px) {
  .container { width: calc(100% - 1.5rem); }
  .brand-mark { width: 30px; height: 30px; }
  .brand-name { font-size: 1rem; }
  .brand-sub { display: none; }
  .theme-select { display: none; } /* reclaim nav space */
  .hero h1 { font-size: 1.75rem; letter-spacing: -0.03em; }
  .section-title { font-size: 1.35rem; }
  .member .avatar { width: 68px; height: 68px; }
  .portfolio-card,
  .contact-main,
  .contact-side { padding: 1.25rem 1rem; }
  .cta-band { padding: 1.25rem 1rem; }
  .filter-pills button { padding: 0.45rem 0.75rem; font-size: 0.68rem; }
}