/* Rainthread — single stylesheet for EN + GR landing pages
   Palette: white theme, logo-teal primary, deep-jade hover, warm orange accent.
*/

/* -------- Tokens -------- */
:root {
  --brand:        #73C9C6;
  --brand-deep:   #0EA5A5;
  --brand-darker: #0A8585;
  --brand-soft:   #E8F6F5;
  --brand-glow:   rgba(115, 201, 198, 0.35);

  --accent:       #FFB347;
  --accent-deep:  #F08A1F;

  --ink:          #0F1416;
  --ink-soft:     #414444;
  --ink-muted:    #6B7075;

  --bg:           #FFFFFF;
  --bg-soft:      #F5F8F8;
  --bg-band:      #0F1416;

  --border:       #E5EBEB;
  --border-strong:#CBD5D5;

  --radius-sm:    10px;
  --radius:       18px;
  --radius-lg:    28px;

  --shadow-sm:    0 1px 2px rgba(15,20,22,.05), 0 1px 1px rgba(15,20,22,.04);
  --shadow-md:    0 12px 36px -14px rgba(15,20,22,.18);
  --shadow-brand: 0 24px 60px -22px rgba(14,165,165,.45);

  --container:    1180px;
  --pad-x:        clamp(20px, 4vw, 40px);
  --section-y:    clamp(72px, 10vw, 128px);
  --logo-h:       56px;
  --topbar-h:     88px;

  --font-display: "Satoshi", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body:    "Satoshi", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --ease:         cubic-bezier(.2,.7,.2,1);
  --ease-spring:  cubic-bezier(.32,.72,0,1);
}

/* -------- Reset -------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: balance;
}
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.35rem, 2vw, 1.65rem); letter-spacing: -0.015em; }
p  { margin: 0; }

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

/* Skip link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 12px;
  background: var(--ink);
  color: #fff;
  padding: 10px 16px;
  border-radius: 8px;
  z-index: 1000;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 12px; outline: 2px solid var(--brand); outline-offset: 2px; }

/* -------- Layout -------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: var(--pad-x);
}
section { padding-block: var(--section-y); position: relative; }

/* -------- Top bar -------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.72);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: background .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.topbar.is-scrolled {
  background: rgba(255,255,255,.92);
  border-bottom-color: var(--border);
  box-shadow: 0 6px 24px -16px rgba(15,20,22,.18);
}
.topbar__inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: var(--topbar-h);
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: var(--pad-x);
}
.topbar__logo { display: inline-flex; align-items: center; gap: 10px; }
.topbar__logo img {
  height: var(--logo-h);
  width: auto;
  transition: height .35s var(--ease-spring);
}
.topbar.is-scrolled .topbar__logo img { height: calc(var(--logo-h) - 12px); }
.topbar__nav {
  display: flex;
  gap: 28px;
  margin-inline: auto;
  font-size: 15px;
  font-weight: 500;
}
.topbar__nav a {
  color: var(--ink-soft);
  position: relative;
  padding: 6px 2px;
  transition: color .2s var(--ease);
}
.topbar__nav a:hover { color: var(--ink); }
.topbar__nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s var(--ease);
}
.topbar__nav a:hover::after { transform: scaleX(1); }

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .14em;
}
.lang-switch a {
  padding: 4px 10px;
  color: var(--ink-muted);
  transition: color .2s var(--ease);
  position: relative;
}
.lang-switch a + a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 1px;
  height: 11px;
  background: var(--border-strong);
  transform: translateY(-50%);
}
.lang-switch a.is-active {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 4px;
}
.lang-switch a:not(.is-active):hover { color: var(--ink); }

.topbar__menu-toggle {
  display: none;
  border: 1px solid var(--border);
  background: var(--bg);
  border-radius: 10px;
  width: 40px; height: 40px;
  align-items: center;
  justify-content: center;
  margin-left: auto;
}
.topbar__menu-toggle svg { width: 20px; height: 20px; }

@media (max-width: 860px) {
  .topbar__nav {
    position: fixed;
    inset: var(--topbar-h) 0 auto 0;
    flex-direction: column;
    gap: 0;
    padding: 24px var(--pad-x) 32px;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 20px 30px -18px rgba(15,20,22,.18);
    transform: translateY(-150%);
    transition: transform .35s var(--ease);
    font-size: 18px;
  }
  .topbar__nav.is-open { transform: translateY(0); }
  .topbar__nav a { padding: 14px 0; border-bottom: 1px solid var(--border); }
  .topbar__nav a:last-child { border-bottom: none; }
  .topbar__menu-toggle { display: inline-flex; order: 3; }
  .lang-switch { order: 2; margin-left: auto; }
}

/* -------- Buttons -------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -.005em;
  border: 1px solid transparent;
  transition: transform .2s var(--ease), background .2s var(--ease), color .2s var(--ease), box-shadow .25s var(--ease), border-color .2s var(--ease);
  white-space: nowrap;
}
.btn--primary {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 12px 30px -14px rgba(15,20,22,.4);
}
.btn--primary:hover {
  background: var(--brand-deep);
  box-shadow: 0 16px 36px -14px var(--brand-glow);
  transform: translateY(-2px);
}
.btn--ghost {
  background: var(--bg);
  color: var(--ink);
  border-color: var(--border-strong);
}
.btn--ghost:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
}
.btn .arrow { transition: transform .25s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

/* -------- Hero (asymmetric split-screen) -------- */
.hero {
  padding-block: clamp(72px, 10vw, 128px) clamp(56px, 7vw, 88px);
  position: relative;
  overflow: hidden;
}
.hero__graph {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(50% 60% at 22% 30%, rgba(115,201,198,.18) 0%, transparent 65%),
    radial-gradient(40% 55% at 88% 78%, rgba(255,179,71,.10) 0%, transparent 65%);
}
.hero__grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: .18;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.06 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}
.hero__split {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
  align-items: center;
}
@media (min-width: 1024px) {
  .hero__split {
    grid-template-columns: 1.05fr .95fr;
    gap: clamp(48px, 6vw, 88px);
  }
}
.hero__copy { text-align: left; }
@media (max-width: 1023px) { .hero__copy { text-align: center; } }

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  letter-spacing: -.03em;
  font-weight: 700;
  line-height: 1.02;
  margin: 0;
}
.hero h1 .accent { color: var(--brand-deep); }
.hero h1 .accent-orange { color: var(--accent-deep); }
.hero__tagline {
  margin: 18px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  font-size: clamp(1rem, 1.2vw, 1.1rem);
  font-weight: 600;
  letter-spacing: -.005em;
  color: var(--brand-deep);
}
.hero__tagline > span { position: relative; padding-right: 14px; }
.hero__tagline > span::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: currentColor;
  opacity: .35;
  transform: translateY(-50%);
}
.hero__tagline > span:last-child { padding-right: 0; }
.hero__tagline > span:last-child::after { display: none; }
@media (max-width: 1023px) { .hero__tagline { justify-content: center; } }

.hero__sub {
  margin: 22px 0 0;
  max-width: 540px;
  font-size: clamp(1rem, 1.25vw, 1.13rem);
  color: var(--ink-soft);
  line-height: 1.55;
}
@media (max-width: 1023px) { .hero__sub { margin-inline: auto; } }
.hero__ctas {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-start;
}
@media (max-width: 1023px) { .hero__ctas { justify-content: center; } }

/* Tilted-card cluster */
.hero__cluster {
  position: relative;
  width: 100%;
  height: 480px;
  max-width: 520px;
  margin-inline: auto;
}
@media (max-width: 1023px) { .hero__cluster { height: 420px; max-width: 440px; } }
@media (max-width: 600px)  { .hero__cluster { display: none; } }

.hero-card {
  position: absolute;
  width: 300px;
  background: var(--bg);
  border-radius: 22px;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow:
    0 0 0 1px rgba(15,20,22,.05),
    0 24px 50px -22px rgba(15,20,22,.18);
  transition: transform .8s var(--ease-spring), box-shadow .8s var(--ease-spring);
  transform-origin: center;
}
.hero-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.hero-card__index {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .14em;
  color: var(--ink-muted);
  text-transform: uppercase;
}
.hero-card__tag {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(15,20,22,.05);
  color: var(--ink-soft);
}
.hero-card--featured .hero-card__tag {
  background: var(--accent);
  color: var(--ink);
}
.hero-card__name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -.025em;
  color: var(--ink);
  line-height: 1;
}
.hero-card__spec {
  font-size: 12.5px;
  color: var(--ink-muted);
  border-top: 1px solid rgba(15,20,22,.07);
  padding-top: 12px;
  line-height: 1.4;
}

/* Fan arrangement — back to front: 5, 4, 3, 2, 1 (Flagship) */
.hero-card--5 { top:   0px; right: -16px; z-index: 1; --rot:  8deg; transform: rotate( 8deg) translateY(var(--py, 0px)); opacity: .55; }
.hero-card--4 { top:  48px; right:  28px; z-index: 2; --rot:  4deg; transform: rotate( 4deg) translateY(var(--py, 0px)); opacity: .72; }
.hero-card--3 { top:  96px; right:  64px; z-index: 3; --rot: -1deg; transform: rotate(-1deg) translateY(var(--py, 0px)); opacity: .86; }
.hero-card--2 { top: 152px; right:  44px; z-index: 4; --rot:  2deg; transform: rotate( 2deg) translateY(var(--py, 0px)); opacity: .96; }
.hero-card--1 { /* Flagship SEO Neo */
  top: 200px; right:  16px; z-index: 5;
  --rot: -3deg;
  transform: rotate(-3deg) translateY(var(--py, 0px));
  width: 320px;
  box-shadow:
    0 0 0 1px rgba(115,201,198,.55),
    0 36px 70px -28px rgba(14,165,165,.45);
}
/* Per-card hover: lift the hovered card, dim the others */
.hero__cluster:has(.hero-card:hover) .hero-card {
  opacity: .35;
  filter: blur(.6px);
}
.hero__cluster .hero-card:hover {
  opacity: 1 !important;
  filter: none !important;
  z-index: 10 !important;
}
.hero-card--5:hover { transform: rotate(10deg) translate(20px, -14px); }
.hero-card--4:hover { transform: rotate( 6deg) translate(14px, -12px); }
.hero-card--3:hover { transform: rotate(-2deg) translate( 0,   -10px); }
.hero-card--2:hover { transform: rotate( 4deg) translate(-12px, -10px); }
.hero-card--1:hover { transform: rotate(-5deg) translate(-16px, -14px); }
/* Parallax offset applied via JS as inline --py per card */
.hero-card { will-change: transform; }

/* Tool wordmark strip — kinetic marquee */
.trust-strip {
  margin-top: clamp(56px, 7vw, 88px);
}
.trust-strip__label {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 24px;
}
.trust-strip__marquee {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.trust-strip__track {
  display: flex;
  gap: clamp(36px, 5vw, 72px);
  align-items: center;
  width: max-content;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: var(--ink-soft);
}
.trust-strip__track > a,
.trust-strip__track > span {
  white-space: nowrap;
  transition: color .25s var(--ease);
}
.trust-strip__track > a:hover { color: var(--brand-deep); }
.trust-strip__track > .trust-strip__dot {
  width: 5px; height: 5px;
  background: var(--brand);
  border-radius: 50%;
  opacity: .65;
  flex: 0 0 auto;
}
@media (prefers-reduced-motion: no-preference) {
  .trust-strip__track { animation: marquee 40s linear infinite; }
  .trust-strip__marquee:hover .trust-strip__track { animation-play-state: paused; }
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* -------- What we do -------- */
.what {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.what__inner {
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}
.what h2 {
  font-size: clamp(1.85rem, 4vw, 2.6rem);
}
.what h2 .mark {
  background: linear-gradient(180deg, transparent 60%, var(--brand) 60%);
  padding: 0 4px;
}
.what__sub {
  margin-top: 24px;
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: var(--ink-soft);
}

/* -------- Tools grid (Asymmetric Bento · Double-Bezel) -------- */
.tools h2 {
  text-align: center;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  letter-spacing: -.03em;
}
.tools__lead {
  text-align: center;
  margin: 22px auto 64px;
  max-width: 640px;
  color: var(--ink-soft);
  font-size: 1.05rem;
  line-height: 1.55;
}
.tools__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
}

/* Outer shell (Double-Bezel: machined-tray exterior) */
.tool {
  position: relative;
  grid-column: span 4;
  background: linear-gradient(180deg, rgba(15,20,22,.025) 0%, rgba(15,20,22,.04) 100%);
  border-radius: 32px;
  padding: 8px;
  box-shadow:
    0 0 0 1px rgba(15,20,22,.05),
    0 1px 2px rgba(15,20,22,.03);
  transition:
    transform .65s var(--ease-spring),
    box-shadow .65s var(--ease-spring);
}
@media (prefers-reduced-motion: no-preference) {
  .tool:hover {
    transform: translateY(-6px);
    box-shadow:
      0 0 0 1px rgba(15,20,22,.06),
      0 28px 60px -22px rgba(14,165,165,.22),
      0 12px 32px -16px rgba(15,20,22,.10);
  }
}
.tool--featured { grid-column: span 8; }
.tool--wide7    { grid-column: span 7; }
.tool--wide5    { grid-column: span 5; }
.tool--legacy   { grid-column: span 12; opacity: .9; }

@media (max-width: 1024px) {
  .tool, .tool--featured, .tool--wide7, .tool--wide5 { grid-column: span 6; }
}
@media (max-width: 620px) {
  .tools__grid { gap: 14px; }
  .tool, .tool--featured, .tool--wide7, .tool--wide5, .tool--legacy { grid-column: span 12; }
}

/* Legacy tool: archive-entry treatment — hairline ruled, no shell, no watermark */
.tool--legacy {
  background: transparent;
  box-shadow: none;
  padding: 0;
  border-radius: 0;
  opacity: 1;
}
@media (prefers-reduced-motion: no-preference) {
  .tool--legacy:hover {
    transform: none;
    box-shadow: none;
  }
}
.tool--legacy .tool__core {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(28px, 4vw, 64px);
  align-items: center;
  padding: clamp(36px, 4vw, 56px) clamp(8px, 1.5vw, 20px);
  background: transparent;
  border-radius: 0;
  border-top: 1px solid var(--border-strong);
  border-bottom: 1px solid var(--border-strong);
  box-shadow: none;
}
.tool--legacy .tool__head { margin-bottom: 14px; }
.tool--legacy .tool__name {
  font-size: clamp(1.35rem, 2vw, 1.7rem);
  margin-bottom: 6px;
  color: var(--ink-soft);
}
.tool--legacy .tool__legacy-note {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0;
}
.tool--legacy .tool__pitch { font-size: .98rem; max-width: 56ch; margin: 0 0 22px; color: var(--ink-muted); }
.tool--legacy .tool__badge {
  background: transparent;
  color: var(--ink-muted);
  border: 1px solid var(--border-strong);
}
.tool--legacy .tool__cta {
  background: transparent;
  color: var(--ink-soft);
  border: 1px solid var(--border-strong);
  padding: 6px 8px 6px 18px;
  font-size: 12.5px;
}
.tool--legacy .tool__cta:hover {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.tool--legacy .tool__cta__icon {
  background: rgba(15,20,22,.04);
  width: 28px; height: 28px;
}
.tool--legacy .tool__cta:hover .tool__cta__icon {
  background: rgba(15,20,22,.08);
}
@media (max-width: 800px) {
  .tool--legacy .tool__core { grid-template-columns: 1fr; gap: 24px; }
}

/* Inner core (concentric radius, inset highlight) */
.tool__core {
  position: relative;
  background: var(--bg);
  border-radius: 25px;
  padding: clamp(28px, 3vw, 40px);
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.9),
    inset 0 0 0 1px rgba(15,20,22,.04);
}

.tool__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 24px;
  position: relative;
  z-index: 2;
}
.tool__index {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.tool__badge {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  padding: 6px 11px;
  border-radius: 999px;
  background: rgba(15,20,22,.05);
  color: var(--ink-soft);
  white-space: nowrap;
}
.tool--featured .tool__core {
  background: var(--ink);
  color: #fff;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.08),
    inset 0 0 0 1px rgba(255,255,255,.04);
}
.tool--featured .tool__index {
  color: rgba(255,255,255,.55);
}
.tool--featured .tool__name {
  color: #fff;
}
.tool--featured .tool__pitch {
  color: rgba(255,255,255,.72);
}
.tool--featured .tool__spec {
  border-top-color: rgba(255,255,255,.10);
}
.tool--featured .tool__spec:last-child {
  border-bottom-color: rgba(255,255,255,.10);
}
.tool--featured .tool__spec dt {
  color: rgba(255,255,255,.50);
}
.tool--featured .tool__spec dd {
  color: rgba(255,255,255,.85);
}
.tool--featured .tool__cta {
  background: #fff;
  color: var(--ink);
}
.tool--featured .tool__cta:hover {
  background: var(--accent);
  color: var(--ink);
}
.tool--featured .tool__cta__icon {
  background: rgba(15,20,22,.10);
  color: var(--ink);
}
.tool--featured .tool__cta:hover .tool__cta__icon {
  background: rgba(15,20,22,.18);
}
.tool--featured .tool__badge {
  background: var(--accent);
  color: var(--ink);
}

.tool__name {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 2.8vw, 2.3rem);
  font-weight: 600;
  letter-spacing: -.028em;
  line-height: 1;
  color: var(--ink);
  margin: 0 0 18px;
  position: relative;
  z-index: 2;
}
.tool--featured .tool__name { font-size: clamp(2rem, 3.6vw, 3.2rem); }

.tool__pitch {
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--ink-soft);
  margin: 0 0 28px;
  max-width: 42ch;
  position: relative;
  z-index: 2;
}
.tool--featured .tool__pitch { font-size: 1.15rem; max-width: 52ch; }

/* Spec rows replace generic bullets */
.tool__specs {
  margin: 0 0 32px;
  padding: 0;
  display: grid;
  position: relative;
  z-index: 2;
}
.tool__spec {
  display: flex;
  align-items: baseline;
  gap: 18px;
  padding: 14px 0;
  border-top: 1px solid rgba(15,20,22,.07);
}
.tool__spec:last-child { border-bottom: 1px solid rgba(15,20,22,.07); }
.tool__spec dt {
  flex: 0 0 80px;
  font-family: var(--font-display);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0;
}
.tool__spec dd {
  margin: 0;
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 14.5px;
  line-height: 1.4;
}
.tool__spec--mono dd { font-family: var(--font-mono); font-size: 13.5px; }

/* Button-in-Button island CTA */
.tool__cta {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 8px 8px 8px 22px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 13.5px;
  letter-spacing: 0;
  align-self: flex-start;
  position: relative;
  z-index: 2;
  transition:
    transform .35s var(--ease-spring),
    background .35s var(--ease-spring);
  will-change: transform;
}
.tool__cta:hover { background: var(--brand-deep); }
.tool__cta:active { transform: scale(.98); }
.tool__cta__icon {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: rgba(255,255,255,.14);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition:
    transform .4s var(--ease-spring),
    background .35s var(--ease-spring);
}
.tool__cta:hover .tool__cta__icon {
  transform: translate(2px,-2px) scale(1.06);
  background: rgba(255,255,255,.22);
}
.tool__cta__icon svg { width: 14px; height: 14px; }

/* Editorial number watermark behind content */
.tool__mark {
  position: absolute;
  right: -14px;
  bottom: -56px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(220px, 22vw, 360px);
  line-height: .8;
  letter-spacing: -.06em;
  color: var(--mark-color, var(--brand));
  opacity: .09;
  pointer-events: none;
  user-select: none;
  z-index: 1;
  transition:
    opacity .65s var(--ease-spring),
    transform .65s var(--ease-spring);
}
.tool--featured .tool__mark { opacity: .14; }
@media (prefers-reduced-motion: no-preference) {
  .tool__mark { animation: drift-mark 9s ease-in-out infinite; }
}
@keyframes drift-mark {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-5px); }
}
.tool:hover .tool__mark {
  opacity: .14;
  transform: translateY(-10px);
  animation: none;
}
.tool--featured .tool__mark { font-size: clamp(260px, 26vw, 420px); }

/* Flagship breathing-pulse badge */
@media (prefers-reduced-motion: no-preference) {
  .tool--featured .tool__badge { animation: badge-pulse 3.2s ease-in-out infinite; }
}
@keyframes badge-pulse {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.045); }
}

/* -------- Purpose (Vision & Mission) -------- */
.purpose {
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.purpose__head {
  max-width: 780px;
  margin: 0 auto clamp(48px, 6vw, 72px);
  text-align: center;
}
.purpose__eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 14px;
}
.purpose__title {
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  letter-spacing: -.03em;
}
.purpose__title .mark {
  background: linear-gradient(180deg, transparent 60%, var(--brand) 60%);
  padding: 0 4px;
}
.purpose__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 3vw, 32px);
  align-items: stretch;
}
@media (max-width: 800px) {
  .purpose__grid { grid-template-columns: 1fr; }
}
.purpose-card {
  position: relative;
  overflow: hidden;
  padding: clamp(32px, 4vw, 48px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg);
  transition:
    transform .25s var(--ease),
    box-shadow .25s var(--ease),
    border-color .25s var(--ease);
}
.purpose-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--mark-color, var(--brand));
}
.purpose-card--vision  { --mark-color: var(--brand-deep); }
.purpose-card--mission { --mark-color: var(--accent-deep); }

.purpose-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 22px;
  position: relative;
  z-index: 2;
}
.purpose-card__index {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.purpose-card__tag {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  padding: 6px 11px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--mark-color) 12%, transparent);
  color: var(--mark-color);
}
.purpose-card__name {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.2vw, 1.9rem);
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--ink);
  margin: 0 0 18px;
  position: relative;
  z-index: 2;
}
.purpose-card__body {
  position: relative;
  z-index: 2;
}
.purpose-card__body p {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--ink-soft);
  margin-top: 14px;
}
.purpose-card__body p:first-child { margin-top: 0; }
.purpose-card__mark {
  position: absolute;
  right: 16px;
  bottom: -14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(7rem, 14vw, 11rem);
  line-height: 1;
  letter-spacing: -.04em;
  color: var(--mark-color, var(--brand));
  opacity: .06;
  pointer-events: none;
  user-select: none;
  z-index: 1;
  transition: opacity .35s var(--ease), transform .35s var(--ease);
}
.purpose-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--mark-color);
}
.purpose-card:hover .purpose-card__mark {
  opacity: .10;
  transform: translateY(-4px);
}

/* -------- Press / Featured in -------- */
.press {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
  padding-block: clamp(72px, 9vw, 112px);
}
/* Why + Press share bg-soft; remove the seam between them so they read as
   one continuous region, not two stacked sections with a divider. */
.why + .press {
  padding-top: clamp(16px, 2.5vw, 32px);
}
.why:has(+ .press) {
  border-bottom: 0;
  padding-bottom: clamp(16px, 2.5vw, 32px);
}
.press__head {
  text-align: center;
  margin-bottom: clamp(40px, 5vw, 64px);
}
.press__eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 24px;
}
.press__logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: clamp(40px, 6vw, 88px);
}
.press__logos img {
  height: 36px;
  width: auto;
  filter: grayscale(1) brightness(.35) contrast(1.2);
  opacity: .7;
  transition: filter .55s var(--ease-spring), opacity .55s var(--ease-spring);
}
.press__logos img:hover {
  filter: none;
  opacity: 1;
}
.press__list {
  display: flex;
  flex-direction: column;
}
.press-row {
  padding-block: clamp(36px, 5vw, 64px);
  padding-left: 0;
  border-top: 1px solid rgba(15,20,22,.1);
  border-left: 2px solid transparent;
  transition: border-color .35s var(--ease), padding-left .35s var(--ease-spring);
}
.press-row:last-child { border-bottom: 1px solid rgba(15,20,22,.1); }
.press-row:hover {
  border-left-color: var(--brand);
  padding-left: 18px;
}
@media (max-width: 760px) {
  .press-row { padding-block: 36px; }
}
.press-row__quote {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  font-weight: 600;
  letter-spacing: -.015em;
  line-height: 1.3;
  color: var(--ink);
  margin: 0 0 18px;
  max-width: 36ch;
  position: relative;
  padding-left: clamp(20px, 2.5vw, 36px);
  transition: transform .55s var(--ease-spring);
}
.press-row__quote::before {
  content: "\201C";
  position: absolute;
  top: -.15em;
  left: -.15em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.2em;
  line-height: .8;
  color: var(--brand);
  opacity: .85;
  pointer-events: none;
  user-select: none;
}
.press-row:hover .press-row__quote { transform: translateY(-4px); }
.press-row:hover .press-row__quote::before { opacity: .85; color: var(--brand-deep); transition: opacity .45s var(--ease-spring), color .45s var(--ease-spring); }
.press-row__byline {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0;
}

/* -------- Why Rainthread -------- */
.why {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.why__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(32px, 6vw, 80px);
  align-items: start;
}
@media (max-width: 800px) {
  .why__grid { grid-template-columns: 1fr; }
}
.why h2 { font-size: clamp(2rem, 4vw, 2.8rem); }
.why h2 .mark { color: var(--brand-deep); }
.why__body p {
  font-size: 1.05rem;
  color: var(--ink-soft);
  line-height: 1.65;
  margin-top: 18px;
}
.why__body p:first-child { margin-top: 0; }

/* -------- CTA band -------- */
/* -------- Find us (contact) -------- */
.find-us {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding-block: clamp(72px, 9vw, 112px);
}
.find-us__head {
  text-align: center;
  margin-bottom: clamp(40px, 5vw, 64px);
}
.find-us__eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 12px;
}
.find-us__title {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 3.6vw, 2.8rem);
  letter-spacing: -.03em;
  margin: 0;
}
.find-us__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(32px, 5vw, 56px);
  align-items: stretch;
}
@media (max-width: 800px) {
  .find-us__grid { grid-template-columns: 1fr; }
}
.find-us__details {
  display: flex;
  flex-direction: column;
  gap: 28px;
  align-self: center;
}
.find-us__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.find-us__label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.find-us__value {
  font-size: 1.05rem;
  color: var(--ink);
  line-height: 1.5;
  margin: 0;
}
.find-us__link {
  color: var(--brand-deep);
  text-decoration: none;
  transition: color .2s var(--ease);
}
.find-us__link:hover { color: var(--brand-darker); }
.find-us__map {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  aspect-ratio: 16 / 11;
  background: var(--bg-soft);
}
.find-us__map-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.find-us__map-cta {
  position: absolute;
  bottom: 16px;
  left: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--ink);
  color: #fff;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .04em;
  box-shadow: 0 8px 24px -12px rgba(15,20,22,.4);
  transition: background .2s var(--ease), transform .2s var(--ease);
}
.find-us__map-cta:hover {
  background: var(--brand-deep);
  transform: translateY(-2px);
}
@media (max-width: 800px) {
  .find-us__map { aspect-ratio: 4 / 3; }
}

/* -------- Footer -------- */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding-block: 64px 32px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer__brand-meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-top: 12px;
}
@media (max-width: 760px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: span 2; }
}
.footer__brand img { height: 40px; width: auto; margin-bottom: 18px; opacity: .9; }
.footer__brand p {
  color: var(--ink-muted);
  font-size: 14.5px;
  max-width: 320px;
  line-height: 1.5;
}
.footer__col h4 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 18px;
}
.footer__col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer__col a {
  font-size: 14.5px;
  color: var(--ink-muted);
  transition: color .2s var(--ease);
}
.footer__col a:hover { color: var(--ink); }
.footer__bottom {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--ink-muted);
}

/* -------- Scroll reveal -------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity .7s var(--ease) var(--reveal-delay, 0ms),
    transform .7s var(--ease) var(--reveal-delay, 0ms);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
  .hero__bg::before, .hero__bg::after { animation: none; }
  html { scroll-behavior: auto; }
}

/* Focus visibility */
:focus-visible {
  outline: 2px solid var(--brand-deep);
  outline-offset: 3px;
  border-radius: 6px;
}

/* -------- Stack page (developer-flavored accent · Double-Bezel) -------- */
.stack-hero {
  padding-block: clamp(96px, 11vw, 144px) clamp(48px, 6vw, 80px);
  position: relative;
  overflow: hidden;
}
.stack-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(45% 60% at 18% 24%, rgba(115,201,198,.14) 0%, transparent 65%),
    radial-gradient(40% 55% at 86% 80%, rgba(255,179,71,.08) 0%, transparent 65%);
}
.stack-hero__inner {
  position: relative;
  z-index: 1;
}
.stack-hero__copy { max-width: 640px; }
@media (min-width: 1024px) {
  .stack-hero__inner {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: clamp(48px, 6vw, 96px);
    align-items: center;
  }
  .stack-hero__copy { max-width: none; }
}
.stack-hero__asset { display: none; }
@media (min-width: 1024px) {
  .stack-hero__asset {
    display: block;
    position: relative;
  }
}
.stack-hero__eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .14em;
  color: var(--brand-deep);
  margin-bottom: 28px;
}
.stack-hero h1 {
  font-size: clamp(2.4rem, 5.6vw, 4.6rem);
  letter-spacing: -.03em;
  font-weight: 700;
  line-height: 1.02;
  margin: 0;
}
.stack-hero h1 .accent { color: var(--brand-deep); }
.stack-hero__sub {
  margin: 28px 0 0;
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 62ch;
}
.stack-hero__meta {
  margin-top: 36px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-muted);
  padding: 8px 16px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--bg-soft);
}
.stack-hero__meta-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand-deep);
  box-shadow: 0 0 0 4px rgba(14,165,165,.14);
}

.stack-marquee {
  margin-top: clamp(48px, 6vw, 72px);
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.stack-marquee__track {
  display: flex;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
  width: max-content;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(.95rem, 1.2vw, 1.05rem);
  color: var(--ink-soft);
}
.stack-marquee__track > span:not(.stack-marquee__dot) {
  white-space: nowrap;
}
.stack-marquee__dot {
  width: 4px; height: 4px;
  background: var(--brand);
  border-radius: 50%;
  opacity: .6;
  flex: 0 0 auto;
}
@media (prefers-reduced-motion: no-preference) {
  .stack-marquee__track { animation: marquee 52s linear infinite; }
  .stack-marquee:hover .stack-marquee__track { animation-play-state: paused; }
}

/* Vertical marquee variant (hero right column) */
.stack-marquee--vertical {
  height: 520px;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 12%, #000 88%, transparent);
          mask-image: linear-gradient(180deg, transparent, #000 12%, #000 88%, transparent);
  position: relative;
}
.stack-marquee--vertical .stack-marquee__track {
  flex-direction: column;
  align-items: flex-start;
  width: auto;
  gap: 26px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(1.5rem, 2.1vw, 2rem);
  letter-spacing: -.01em;
  color: var(--ink);
}
.stack-marquee--vertical .stack-marquee__track > span:not(.stack-marquee__dot) {
  line-height: 1;
}
.stack-marquee--vertical .stack-marquee__dot {
  width: 5px;
  height: 5px;
  opacity: .55;
}
@media (prefers-reduced-motion: no-preference) {
  .stack-marquee--vertical .stack-marquee__track {
    animation: marquee-vertical 38s linear infinite;
  }
  .stack-marquee--vertical:hover .stack-marquee__track {
    animation-play-state: paused;
  }
}
@keyframes marquee-vertical {
  from { transform: translateY(0); }
  to   { transform: translateY(-50%); }
}

/* Each category group */
.stack-section {
  padding-block: clamp(48px, 6vw, 80px);
}
.stack-section + .stack-section {
  border-top: 1px solid var(--border);
}
.stack-section__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: clamp(36px, 4vw, 56px);
  max-width: 720px;
}
@media (min-width: 860px) {
  .stack-section__head {
    grid-template-columns: 180px 1fr;
    gap: 56px;
    align-items: baseline;
    max-width: none;
  }
}
.stack-section__index {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.stack-section__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.2vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -.025em;
  line-height: 1.08;
  margin: 0;
  color: var(--ink);
}
.stack-section__lead {
  margin: 12px 0 0;
  max-width: 56ch;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.55;
}

/* Bento grid for the cards inside a group */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}
@media (max-width: 1024px) {
  .stack-grid { gap: 14px; }
}
@media (max-width: 620px) {
  .stack-grid { gap: 12px; }
}

/* Outer shell (Double-Bezel) */
.stack-card {
  position: relative;
  grid-column: span 6;
  background: linear-gradient(180deg, rgba(15,20,22,.025) 0%, rgba(15,20,22,.04) 100%);
  border-radius: 26px;
  padding: 7px;
  box-shadow:
    0 0 0 1px rgba(15,20,22,.05),
    0 20px 40px -22px rgba(15,20,22,.12);
  transition:
    transform .55s var(--ease-spring),
    box-shadow .55s var(--ease-spring);
}
.stack-card--3 { grid-column: span 4; }
.stack-card--8 { grid-column: span 8; }
.stack-card--narrow { grid-column: span 3; }
.stack-card--12 { grid-column: span 12; }

@media (max-width: 1024px) {
  .stack-card,
  .stack-card--3,
  .stack-card--8,
  .stack-card--narrow,
  .stack-card--12 { grid-column: span 6; }
}
@media (max-width: 620px) {
  .stack-card,
  .stack-card--3,
  .stack-card--8,
  .stack-card--narrow,
  .stack-card--12 { grid-column: span 12; }
}

@media (prefers-reduced-motion: no-preference) {
  .stack-card:hover {
    transform: translateY(-5px);
    box-shadow:
      0 0 0 1px rgba(15,20,22,.06),
      0 28px 56px -20px rgba(14,165,165,.22),
      0 12px 30px -16px rgba(15,20,22,.10);
  }
}

/* Lead-card visual treatment (no width change here — width comes from --8 etc.) */
.stack-card--lead .stack-card__core {
  background:
    radial-gradient(120% 80% at 88% 0%, rgba(115,201,198,.08) 0%, transparent 60%),
    var(--bg);
}
.stack-card--lead .stack-card__name {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  letter-spacing: -.02em;
}
.stack-card--lead .stack-card__role {
  max-width: 56ch;
  font-size: 1.02rem;
}

/* Inner core (concentric radius, inset highlight) */
.stack-card__core {
  position: relative;
  background: var(--bg);
  border-radius: 20px;
  padding: clamp(22px, 2.4vw, 30px);
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.9),
    inset 0 0 0 1px rgba(15,20,22,.04);
}
.stack-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}
.stack-card__id {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.stack-card__tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: lowercase;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(14,165,165,.10);
  color: var(--brand-darker);
  white-space: nowrap;
}
.stack-card__name {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 2.2vw, 1.7rem);
  font-weight: 600;
  letter-spacing: -.012em;
  line-height: 1.05;
  color: var(--ink);
  margin: 0 0 10px;
}
.stack-card__role {
  font-family: var(--font-body);
  font-size: .98rem;
  line-height: 1.5;
  color: var(--ink-soft);
  margin: 0;
  max-width: 38ch;
}

/* Closing CTA section */
.stack-cta {
  padding-block: clamp(72px, 9vw, 112px);
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
}
.stack-cta__inner {
  display: grid;
  gap: 28px;
  align-items: center;
}
@media (min-width: 860px) {
  .stack-cta__inner {
    grid-template-columns: 1fr auto;
    gap: 48px;
  }
}
.stack-cta__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -.025em;
  line-height: 1.1;
  margin: 0;
  color: var(--ink);
  max-width: 22ch;
}
.stack-cta__sub {
  margin: 14px 0 0;
  color: var(--ink-soft);
  font-size: 1rem;
  max-width: 48ch;
}