/* Nephros — dark editorial medtech */

:root {
  --bg: #08090B;
  --bg-1: #0C0E12;
  --bg-2: #14171C;
  --bg-3: #1B1F26;
  --hairline: rgba(255,255,255,0.07);
  --hairline-strong: rgba(255,255,255,0.14);
  --fg: #F4F5F7;
  --fg-2: #C7CCD4;
  --fg-3: #8A929E;
  --fg-4: #555C68;
  --accent: #DC2626;
  --accent-glow: rgba(220, 38, 38, 0.25);
  --serif: "Newsreader", ui-serif, Georgia, serif;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --maxw: 1320px;
  --gutter: 56px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
body {
  background-image:
    radial-gradient(900px 600px at 78% -10%, rgba(220,38,38,0.06), transparent 60%),
    radial-gradient(700px 500px at 0% 30%, rgba(34,53,80,0.18), transparent 60%);
  background-attachment: fixed;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* ---------- layout ---------- */
.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}
@media (max-width: 900px) {
  :root { --gutter: 24px; }
}

.section {
  position: relative;
  padding: 120px 0;
  border-top: 1px solid var(--hairline);
}
.section--tight { padding: 88px 0; }
.section--hero { padding: 0; border-top: 0; }

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-3);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.eyebrow .num {
  color: var(--fg-4);
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: balance;
}

.display {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(48px, 7.2vw, 104px);
  line-height: 0.98;
  letter-spacing: -0.035em;
}
.display em {
  font-style: italic;
  color: var(--fg-2);
  font-weight: 300;
}

.h2 {
  font-size: clamp(36px, 4.6vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.025em;
}

.h3 {
  font-size: clamp(22px, 2vw, 28px);
  line-height: 1.15;
  letter-spacing: -0.015em;
}

.lede {
  font-family: var(--serif);
  font-size: clamp(18px, 1.6vw, 22px);
  font-weight: 300;
  line-height: 1.45;
  color: var(--fg-2);
  text-wrap: pretty;
  max-width: 60ch;
}

.body {
  color: var(--fg-2);
  font-size: 15px;
  line-height: 1.65;
  text-wrap: pretty;
  max-width: 62ch;
}

.mono {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--fg-3);
  text-transform: uppercase;
}

.hairline {
  height: 1px;
  background: var(--hairline);
  width: 100%;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 46px;
  padding: 0 22px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.04) inset, 0 8px 24px -10px var(--accent-glow);
}
.btn--primary:hover { background: #ef3535; }
.btn--ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--hairline-strong);
}
.btn--ghost:hover { border-color: rgba(255,255,255,0.3); background: rgba(255,255,255,0.03); }
.btn .arrow {
  display: inline-block;
  transition: transform .2s ease;
}
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  background: rgba(8,9,11,0.72);
  border-bottom: 1px solid var(--hairline);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--serif);
  font-size: 20px;
  letter-spacing: -0.01em;
}
.brand__mark {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #f5f5f7 0%, #b9bcc4 35%, #2a2d33 75%);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.18) inset, 0 0 24px -4px var(--accent-glow);
}
.brand__sub {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--fg-3);
  text-transform: uppercase;
  margin-left: 6px;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 13px;
  color: var(--fg-2);
}
.nav__links a:hover { color: var(--fg); }
@media (max-width: 800px) {
  .nav__links a:not(.btn) { display: none; }
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: calc(100vh - 64px);
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  align-items: stretch;
  border-bottom: 1px solid var(--hairline);
  overflow: hidden;
}
@media (max-width: 1000px) {
  .hero { grid-template-columns: 1fr; }
}
.hero__copy {
  padding: 96px var(--gutter) 80px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 60px;
  border-right: 1px solid var(--hairline);
  position: relative;
}
.hero__copy::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, transparent 0, transparent calc(100% - 1px), var(--hairline) 100%);
  pointer-events: none;
}
.hero__top { display: flex; flex-direction: column; gap: 36px; }
.hero__title { color: var(--fg); }
.hero__title em { color: var(--accent); font-style: italic; font-family: var(--serif); }
.hero__bottom {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.hero__ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.hero__meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 0;
  border-top: 1px solid var(--hairline);
  padding-top: 24px;
}
.hero__meta > div { padding-right: 16px; border-right: 1px solid var(--hairline); }
.hero__meta > div:last-child { border-right: 0; padding-right: 0; padding-left: 16px; }
.hero__meta > div:first-child { padding-left: 0; }
.hero__meta dt {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-4);
  margin-bottom: 6px;
}
.hero__meta dd {
  margin: 0;
  font-family: var(--serif);
  font-size: 18px;
  color: var(--fg);
  line-height: 1.2;
}

.hero__visual {
  position: relative;
  background:
    radial-gradient(60% 80% at 50% 45%, #14171C 0%, #08090B 70%, #04050780 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* fine technical grid */
.hero__grid {
  position: absolute;
  inset: 0;
  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: 48px 48px;
  background-position: center;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(70% 70% at 50% 50%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(70% 70% at 50% 50%, black 30%, transparent 80%);
}

/* center crosshair (unused) */

.hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(50% 50% at 50% 45%, transparent 0%, rgba(8,9,11,0.55) 80%, rgba(8,9,11,0.95) 100%),
    radial-gradient(60% 30% at 50% 100%, rgba(220,38,38,0.18), transparent 70%);
  pointer-events: none;
  z-index: 2;
}

.hero__photo {
  position: relative;
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  z-index: 3;
  filter:
    brightness(0.62)
    contrast(1.18)
    saturate(0.55)
    hue-rotate(-8deg)
    drop-shadow(0 30px 60px rgba(0,0,0,0.7))
    drop-shadow(0 0 80px rgba(220,38,38,0.18));
  mix-blend-mode: screen;
}

/* radial halo behind device — draws the eye */
.hero__halo {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 75%;
  aspect-ratio: 1 / 1;
  transform: translate(-50%, -50%);
  background:
    radial-gradient(circle at center,
      rgba(220,38,38,0.32) 0%,
      rgba(220,38,38,0.18) 25%,
      rgba(220,38,38,0.06) 50%,
      transparent 70%);
  filter: blur(4px);
  z-index: 1;
  pointer-events: none;
}

/* concentric rings */
.hero__rings {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 92%;
  aspect-ratio: 1 / 1;
  transform: translate(-50%, -50%);
  z-index: 2;
  pointer-events: none;
}
.hero__rings span {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.06);
}
.hero__rings span:nth-child(1) {
  inset: 0;
  border-color: rgba(255,255,255,0.10);
  animation: heroRingPulse 7s ease-in-out infinite;
}
.hero__rings span:nth-child(2) {
  inset: 12%;
  border-color: rgba(220,38,38,0.18);
  border-style: dashed;
  animation: heroRingSpin 80s linear infinite;
}
.hero__rings span:nth-child(3) {
  inset: 26%;
  border-color: rgba(255,255,255,0.05);
  animation: heroRingPulse 5s ease-in-out infinite reverse;
}
@keyframes heroRingPulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.015); }
}
@keyframes heroRingSpin {
  to { transform: rotate(360deg); }
}

/* live readouts column */
.hero__readouts {
  position: absolute;
  left: 56px;
  top: 50%;
  transform: translateY(-50%);
  display: grid;
  gap: 18px;
  z-index: 5;
  font-family: var(--mono);
}
.hero__readout {
  display: grid;
  gap: 4px;
  padding-left: 10px;
  border-left: 1px solid rgba(220,38,38,0.55);
}
.hero__readout-label {
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
}
.hero__readout-value {
  font-size: 13px;
  color: rgba(255,255,255,0.92);
  letter-spacing: 0.04em;
}

/* drawing stamp / title block (bottom right) */
.hero__stamp {
  position: absolute;
  right: 56px;
  bottom: 56px;
  z-index: 5;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  border: 1px solid rgba(255,255,255,0.15);
  padding: 10px 14px;
  background: rgba(8,9,11,0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: grid;
  gap: 6px;
  min-width: 200px;
}
.hero__stamp-row {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}
.hero__stamp-row > span:first-child {
  color: rgba(255,255,255,0.40);
}

/* circular CAD-render placeholder */
.render-orb {
  position: relative;
  width: min(72%, 560px);
  aspect-ratio: 1 / 1;
}
.render-orb__ring {
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 1px solid var(--hairline-strong);
}
.render-orb__ring--2 { inset: 8%; border-color: var(--hairline); }
.render-orb__ring--3 { inset: 18%; border-color: rgba(220,38,38,0.25); border-style: dashed; }
.render-orb__core {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
.render-orb__plate {
  position: relative;
  width: 78%;
  height: 78%;
  border-radius: 50%;
  background: #ffffff;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.18) inset,
    0 0 0 8px rgba(220,38,38,0.05),
    0 30px 80px -10px rgba(220,38,38,0.25),
    0 50px 120px -20px rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.render-orb__plate img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.render-orb__tick {
  position: absolute;
  width: 8px; height: 1px;
  background: var(--fg-3);
  transform-origin: 0 50%;
}
.render-orb__crosshair {
  position: absolute; inset: 0;
  pointer-events: none;
}
.render-orb__crosshair::before,
.render-orb__crosshair::after {
  content: "";
  position: absolute;
  background: var(--hairline);
}
.render-orb__crosshair::before { left: 50%; top: 0; bottom: 0; width: 1px; transform: translateX(-50%); }
.render-orb__crosshair::after { top: 50%; left: 0; right: 0; height: 1px; transform: translateY(-50%); }

.render-orb__readout {
  position: absolute;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--fg-3);
}
.render-orb__readout .num { color: var(--accent); }
.render-orb__readout--tl { top: -28px; left: 0; }
.render-orb__readout--tr { top: -28px; right: 0; text-align: right; }
.render-orb__readout--bl { bottom: -28px; left: 0; }
.render-orb__readout--br { bottom: -28px; right: 0; text-align: right; }

.scrollhint {
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--fg-4);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
}
.scrollhint .line {
  width: 28px; height: 1px; background: var(--fg-4);
  position: relative;
  overflow: hidden;
}
.scrollhint .line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: translateX(-100%);
  animation: sweep 2.4s ease-in-out infinite;
}
@keyframes sweep {
  0% { transform: translateX(-100%); }
  60% { transform: translateX(100%); }
  100% { transform: translateX(100%); }
}

/* ---------- two-column section header ---------- */
.section-head {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  margin-bottom: 56px;
  align-items: start;
}
@media (max-width: 800px) {
  .section-head { grid-template-columns: 1fr; gap: 16px; }
}
.section-head__label { padding-top: 8px; }
.section-head__title { max-width: 22ch; }

/* ---------- paradigm grid ---------- */
.paradigm {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--hairline);
}
@media (max-width: 900px) { .paradigm { grid-template-columns: 1fr; } }

.paradigm__col {
  padding: 40px 36px;
  border-right: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  position: relative;
}
.paradigm__col:nth-child(2n) { border-right: 0; }
@media (max-width: 900px) { .paradigm__col { border-right: 0; } }
.paradigm__col h4 {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.paradigm__col--old h4 { color: var(--fg-3); }
.paradigm__col--new h4 { color: var(--fg); }
.paradigm__col--new::before {
  content: "";
  position: absolute;
  top: 40px; left: 0;
  width: 2px; height: 28px;
  background: var(--accent);
}
.paradigm__col--new { padding-left: 38px; }
@media (max-width: 900px) {
  .paradigm__col--new { padding-left: 38px; }
}
.paradigm__col p {
  color: var(--fg-3);
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
}
.paradigm__col--new p { color: var(--fg-2); }
.paradigm__col .tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.paradigm__col--old .tag { color: var(--fg-4); }
.paradigm__col--new .tag { color: var(--accent); }

/* ---------- device showcase ---------- */
.device {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: center;
}
@media (max-width: 1000px) { .device { grid-template-columns: 1fr; } }

.device__visual {
  aspect-ratio: 4 / 5;
  border: 1px solid var(--hairline);
  background:
    radial-gradient(60% 70% at 50% 40%, #14171C 0%, #08090B 75%, #04050780 100%);
  position: relative;
  overflow: hidden;
}
.device__visual::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--hairline) 1px, transparent 1px),
    linear-gradient(90deg, var(--hairline) 1px, transparent 1px);
  background-size: 48px 48px;
  background-position: -1px -1px;
  opacity: 0.35;
  mask-image: radial-gradient(circle at 50% 50%, black 30%, transparent 75%);
}
.device__placeholder {
  position: absolute;
  inset: 18%;
  border: 1px dashed var(--hairline-strong);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-3);
  text-align: center;
  padding: 24px;
  background:
    repeating-linear-gradient(135deg, rgba(255,255,255,0.015) 0 8px, transparent 8px 16px);
}
.device__placeholder strong {
  color: var(--fg-2);
  font-weight: 500;
}
.device__placeholder small { color: var(--fg-4); letter-spacing: 0.12em; }

.device__render {
  position: absolute;
  inset: 8%;
  width: 84%;
  height: 84%;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  overflow: hidden;
}
.device__render img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter:
    brightness(0.6)
    contrast(1.2)
    saturate(0.55)
    drop-shadow(0 30px 60px rgba(0,0,0,0.7))
    drop-shadow(0 0 60px rgba(220,38,38,0.15));
  mix-blend-mode: screen;
}
.device__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 30% at 50% 100%, rgba(220,38,38,0.16), transparent 70%);
  pointer-events: none;
  z-index: 2;
}

.device__corner {
  position: absolute;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--fg-4);
}
.device__corner--tl { top: 16px; left: 16px; }
.device__corner--tr { top: 16px; right: 16px; }
.device__corner--bl { bottom: 16px; left: 16px; }
.device__corner--br { bottom: 16px; right: 16px; }

.device__copy { display: flex; flex-direction: column; gap: 28px; }
.device__bullets {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--hairline);
}
.device__bullet {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--hairline);
  align-items: start;
}
.device__bullet .idx {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--fg-4);
  padding-top: 4px;
}
.device__bullet h5 {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 400;
  color: var(--fg);
}
.device__bullet p { margin: 0; color: var(--fg-3); font-size: 14px; line-height: 1.6; }

/* ---------- mechanism timeline ---------- */
.mech {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--hairline);
}
@media (max-width: 900px) { .mech { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .mech { grid-template-columns: 1fr; } }

.mech__step {
  padding: 32px 28px 36px;
  border-right: 1px solid var(--hairline);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 220px;
}
.mech__step:last-child { border-right: 0; }
.mech__step::before {
  content: "";
  position: absolute;
  top: -1px; left: 0;
  width: 32px; height: 1px;
  background: var(--accent);
}
.mech__num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--fg-4);
}
.mech__step h5 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 22px;
  letter-spacing: -0.015em;
  color: var(--fg);
}
.mech__step p {
  margin: 0;
  color: var(--fg-3);
  font-size: 13.5px;
  line-height: 1.6;
}

/* ---------- specs ---------- */
.specs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
@media (max-width: 900px) { .specs { grid-template-columns: repeat(2, 1fr); } }
.spec {
  padding: 32px 28px;
  border-right: 1px solid var(--hairline);
  display: flex; flex-direction: column; gap: 8px;
}
.spec:last-child { border-right: 0; }
@media (max-width: 900px) {
  .spec:nth-child(2n) { border-right: 0; }
  .spec { border-bottom: 1px solid var(--hairline); }
  .spec:nth-last-child(-n+2) { border-bottom: 0; }
}
.spec__num {
  font-family: var(--serif);
  font-size: clamp(40px, 4vw, 56px);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--fg);
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.spec__num .unit {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--fg-3);
  text-transform: uppercase;
  font-weight: 400;
}
.spec__label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-4);
}
.spec__note {
  font-size: 13px;
  color: var(--fg-3);
  line-height: 1.5;
  margin-top: 4px;
}

/* ---------- evidence ---------- */
.evidence {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
}
@media (max-width: 900px) { .evidence { grid-template-columns: 1fr; } }
.ev-card {
  padding: 32px 28px;
  border: 1px solid var(--hairline);
  background: linear-gradient(180deg, rgba(255,255,255,0.012), transparent);
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-height: 280px;
  position: relative;
}
.ev-card .tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex; gap: 10px; align-items: center;
}
.ev-card .tag .num { color: var(--fg-4); }
.ev-card h5 {
  margin: 0;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--fg);
}
.ev-card p { margin: 0; color: var(--fg-3); font-size: 13.5px; line-height: 1.6; }
.ev-card__meta {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--hairline);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--fg-4);
  text-transform: uppercase;
  display: flex; justify-content: space-between;
}

/* ---------- perfusionist quote ---------- */
.quote {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 60px;
  align-items: end;
}
@media (max-width: 900px) { .quote { grid-template-columns: 1fr; gap: 32px; } }
.quote blockquote {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--fg);
  font-weight: 300;
  text-wrap: balance;
}
.quote blockquote .mark {
  color: var(--accent);
  font-style: italic;
}
.quote__attr {
  border-left: 1px solid var(--hairline);
  padding-left: 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.quote__attr .name { font-family: var(--serif); font-size: 18px; color: var(--fg); }
.quote__attr .role { color: var(--fg-3); font-size: 13px; }
.quote__attr .org  { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.16em; color: var(--fg-4); text-transform: uppercase; margin-top: 8px; }

/* ---------- CTA ---------- */
.cta {
  border: 1px solid var(--hairline);
  padding: 80px 64px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
  background:
    radial-gradient(600px 300px at 90% 50%, rgba(220,38,38,0.08), transparent 60%),
    linear-gradient(180deg, #0B0D11 0%, #08090B 100%);
  position: relative;
  overflow: hidden;
}
@media (max-width: 900px) {
  .cta { grid-template-columns: 1fr; padding: 48px 28px; gap: 32px; }
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--hairline) 1px, transparent 1px),
    linear-gradient(90deg, var(--hairline) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.4;
  mask-image: linear-gradient(180deg, black, transparent 80%);
  pointer-events: none;
}
.cta__copy { position: relative; z-index: 1; display: flex; flex-direction: column; gap: 20px; }
.cta__form { position: relative; z-index: 1; display: flex; flex-direction: column; gap: 14px; }
.cta__form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 600px) { .cta__form .row { grid-template-columns: 1fr; } }

.field {
  display: flex; flex-direction: column; gap: 6px;
}
.field label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--fg-4);
  text-transform: uppercase;
}
.field input, .field select, .field textarea {
  appearance: none;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--hairline);
  color: var(--fg);
  padding: 12px 14px;
  font-family: var(--sans);
  font-size: 14px;
  border-radius: 6px;
  outline: none;
  transition: border-color .15s ease, background .15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--accent);
  background: rgba(255,255,255,0.04);
}
.field textarea { resize: vertical; min-height: 84px; font-family: var(--sans); }
.field--err input, .field--err select, .field--err textarea { border-color: var(--accent); }
.field__err { font-family: var(--mono); font-size: 10px; color: var(--accent); letter-spacing: 0.12em; }

.cta__success {
  border: 1px solid rgba(220,38,38,0.4);
  padding: 24px;
  border-radius: 8px;
  background: rgba(220,38,38,0.05);
  display: flex; flex-direction: column; gap: 10px;
}
.cta__success h5 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
  margin: 0;
  color: var(--fg);
}
.cta__success p { margin: 0; color: var(--fg-2); font-size: 14px; }

/* ---------- footer ---------- */
.foot {
  border-top: 1px solid var(--hairline);
  padding: 64px 0 28px;
  color: var(--fg-3);
  font-size: 13px;
}
.foot__top {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 48px;
  padding-bottom: 48px;
}
@media (max-width: 800px) {
  .foot__top { grid-template-columns: 1fr 1fr; gap: 32px; }
}
.foot__col h6 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--fg-4);
  text-transform: uppercase;
  margin: 0 0 14px;
  font-weight: 500;
}
.foot__col a { display: block; padding: 4px 0; color: var(--fg-2); }
.foot__col a:hover { color: var(--fg); }

.foot__bot {
  border-top: 1px solid var(--hairline);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--fg-4);
  text-transform: uppercase;
  flex-wrap: wrap;
  gap: 12px;
}
.foot__legal {
  font-size: 11px;
  color: var(--fg-4);
  line-height: 1.6;
  font-family: var(--sans);
  letter-spacing: 0;
  text-transform: none;
  max-width: 70ch;
  margin-top: 18px;
}

/* tiny utils */
.row-gap-sm { display: flex; gap: 12px; flex-wrap: wrap; }


/* Team — founder cards */
.team {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 64px;
}
.team__card {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--hairline);
  border-radius: 4px;
  padding: 36px 32px 32px;
  position: relative;
  transition: border-color 0.2s ease;
}
.team__card:hover {
  border-color: var(--hairline-strong);
}
.team__role {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.team__name {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 28px;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--fg-1);
  margin: 0 0 14px;
}
.team__bio {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--fg-3);
  margin: 0;
}
@media (max-width: 900px) {
  .team { grid-template-columns: 1fr; }
}


/* Charts — bench data side-by-side */
.charts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 64px;
}
.chart {
  margin: 0;
  display: flex;
  flex-direction: column;
}
.chart__frame {
  background: #0A0E16;
  border: 1px solid var(--hairline);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
  aspect-ratio: 16 / 9.5;
  display: flex;
  align-items: center;
  justify-content: center;
}
.chart__frame::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: 4px;
  pointer-events: none;
}
.chart__frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.chart figcaption {
  padding: 24px 4px 0;
}
.chart__tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-4);
  margin-bottom: 12px;
  padding: 4px 8px;
  border: 1px solid var(--hairline);
  border-radius: 2px;
}
.chart__tag--accent {
  color: var(--accent);
  border-color: var(--accent);
}
.chart__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.005em;
  color: var(--fg-1);
  margin: 0 0 10px;
}
.chart__desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--fg-3);
  margin: 0;
  max-width: 44ch;
}
.chart__desc strong {
  color: var(--fg-1);
  font-weight: 500;
}
@media (max-width: 900px) {
  .charts { grid-template-columns: 1fr; gap: 36px; }
}


/* FAQ — accordion */
.faq {
  list-style: none;
  margin: 64px 0 0;
  padding: 0;
  border-top: 1px solid var(--hairline);
}
.faq__item {
  border-bottom: 1px solid var(--hairline);
}
.faq__q {
  width: 100%;
  background: transparent;
  border: 0;
  padding: 28px 0;
  display: grid;
  grid-template-columns: 56px 1fr 32px;
  gap: 24px;
  align-items: center;
  text-align: left;
  cursor: pointer;
  color: var(--fg-1);
  font-family: var(--serif);
  font-weight: 400;
  font-size: 22px;
  line-height: 1.3;
  letter-spacing: -0.005em;
  transition: color 0.2s ease;
}
.faq__q:hover {
  color: var(--accent);
}
.faq__qnum {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--fg-4);
  align-self: start;
  padding-top: 8px;
}
.faq__qtext {
  display: block;
  text-wrap: pretty;
}
.faq__chevron {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--fg-3);
  transition: transform 0.25s ease, color 0.2s ease;
}
.faq__item.is-open .faq__chevron {
  transform: rotate(180deg);
  color: var(--accent);
}
.faq__a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease;
}
.faq__item.is-open .faq__a {
  grid-template-rows: 1fr;
}
.faq__a > p {
  overflow: hidden;
  margin: 0;
  padding: 0 32px 28px 80px;
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.7;
  color: var(--fg-3);
  max-width: 70ch;
}
@media (max-width: 700px) {
  .faq__q {
    grid-template-columns: 32px 1fr 24px;
    gap: 16px;
    font-size: 18px;
    padding: 22px 0;
  }
  .faq__a > p {
    padding: 0 0 22px 48px;
  }
}


/* Press / recognition strip */
.press {
  padding: 28px 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  background: rgba(255,255,255,0.01);
}
.press__row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  align-items: start;
}
.press__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 14px;
  border-left: 1px solid var(--hairline-strong);
}
.press__l1 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-4);
}
.press__l2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.25;
  letter-spacing: -0.005em;
  color: var(--fg-1);
}
@media (max-width: 900px) {
  .press__row { grid-template-columns: 1fr 1fr; gap: 24px; }
}
@media (max-width: 540px) {
  .press__row { grid-template-columns: 1fr; }
}

/* Simplified contact */
.cta--simple {
  background: linear-gradient(180deg, rgba(220,38,38,0.04), transparent 60%),
              rgba(255,255,255,0.015);
  border: 1px solid var(--hairline);
  border-radius: 6px;
  padding: 80px 64px;
  text-align: left;
  max-width: 880px;
  margin: 0 auto;
}
.cta--simple__title {
  margin-top: 28px;
  margin-bottom: 24px;
}
.cta--simple__lede {
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.55;
  color: var(--fg-2);
  font-weight: 300;
  max-width: 50ch;
  margin: 0 0 40px;
}
.cta--simple__actions {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.cta--simple__email {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--fg-3);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline-strong);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.cta--simple__email:hover {
  color: var(--accent);
  border-color: var(--accent);
}
.cta--simple__legal {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-4);
  margin: 0;
  padding-top: 28px;
  border-top: 1px solid var(--hairline);
}
@media (max-width: 720px) {
  .cta--simple { padding: 56px 32px; }
}


/* Brand logo */
.logo {
  display: inline-flex;
  align-items: center;
}
.logo img {
  display: block;
  /* slight transparency multiply so it sits naturally on dark bg */
}
.brand--nav {
  text-decoration: none;
}


/* Hero variant: full-bleed OR scene */
.section--hero-or {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}
.section--hero-or .hero {
  display: block;
  min-height: auto;
}
.section--hero-or .hero__copy {
  max-width: 660px;
  position: relative;
  z-index: 2;
}
.section--hero-or .hero__top {
  padding-top: 40px;
}
.hero-or-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-or-bg img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 70% center;
  filter: brightness(0.45) contrast(1.15) saturate(0.55);
}
.hero-or-bg__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8,9,11,0.95) 0%, rgba(8,9,11,0.85) 35%, rgba(8,9,11,0.55) 65%, rgba(8,9,11,0.40) 100%),
    radial-gradient(70% 60% at 90% 30%, rgba(220,38,38,0.18), transparent 70%),
    linear-gradient(180deg, transparent 70%, rgba(8,9,11,0.85) 100%);
  pointer-events: none;
}
@media (max-width: 900px) {
  .hero-or-bg img { object-position: 80% center; }
  .hero-or-bg__veil {
    background:
      linear-gradient(180deg, rgba(8,9,11,0.65) 0%, rgba(8,9,11,0.85) 60%, rgba(8,9,11,0.95) 100%);
  }
}


/* Contact form */
.cta-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 28px;
}
.cta-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.cta-form__field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.cta-form__field--full {
  width: 100%;
}
.cta-form__field > span {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-4);
  display: flex;
  gap: 6px;
  align-items: baseline;
}
.cta-form__optional {
  text-transform: none;
  letter-spacing: 0;
  color: var(--fg-4);
  font-size: 10px;
  font-style: italic;
  font-family: var(--serif);
}
.cta-form__field input,
.cta-form__field select,
.cta-form__field textarea {
  background: rgba(255,255,255,0.03);
  color: var(--fg-1);
  border: 1px solid var(--hairline-strong);
  border-radius: 4px;
  padding: 12px 14px;
  font-family: var(--sans);
  font-size: 14.5px;
  line-height: 1.4;
  transition: border-color 0.15s ease, background 0.15s ease;
  width: 100%;
  font: inherit;
  font-size: 14.5px;
  resize: vertical;
}
.cta-form__field input:focus,
.cta-form__field select:focus,
.cta-form__field textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255,255,255,0.05);
}
.cta-form__field select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--fg-3) 50%),
                    linear-gradient(-45deg, transparent 50%, var(--fg-3) 50%);
  background-position: calc(100% - 18px) 55%, calc(100% - 12px) 55%;
  background-size: 6px 6px;
  background-repeat: no-repeat;
  padding-right: 36px;
  color-scheme: dark;
}
.cta-form__field select option {
  background-color: #14161A;
  color: var(--fg-1);
}
.cta-form__actions {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.cta-form__error {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: #FCA5A5;
  background: rgba(220,38,38,0.08);
  border: 1px solid rgba(220,38,38,0.3);
  border-radius: 4px;
  padding: 10px 14px;
}
.cta-form__success {
  border: 1px solid var(--hairline-strong);
  border-radius: 6px;
  padding: 32px;
  text-align: center;
  background: rgba(132,204,22,0.04);
  margin-bottom: 28px;
}
.cta-form__success-mark {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid #84CC16;
  color: #84CC16;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin: 0 auto 16px;
}
.cta-form__success h4 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
  margin: 0 0 8px;
  color: var(--fg-1);
}
.cta-form__success p {
  margin: 0;
  color: var(--fg-3);
  font-size: 14px;
}
@media (max-width: 720px) {
  .cta-form__row { grid-template-columns: 1fr; }
}