/* ============================================================
   ARA GROUP — Design System
   Brand-native: Montserrat + Poppins · Navy / Blue / Red / Cyan
   Colors extracted from the official company profile
   ============================================================ */

:root {
  /* Brand color tokens (from company profile vector art) */
  --navy:       #16174F;  /* headline ink */
  --navy-mid:   #1E3D73;  /* ARA wordmark blue */
  --blue:       #005CA5;  /* primary brand blue */
  --blue-deep:  #004B87;
  --sky:        #57BACC;  /* brand cyan */
  --sky-soft:   #A9DCE6;
  --red:       #C13327;  /* ARKA red accent */

  /* Company hues (text-safe variants where needed) */
  --hue-arka:    #C13327;
  --hue-sbc:     #2E93A6;  /* darkened brand cyan for AA contrast */
  --hue-synai:   #1F8F85;  /* SynAI teal */

  /* Surfaces */
  --bg:         #FFFFFF;
  --bg-soft:    #F2F8FB;   /* pale cyan wash */
  --surface:    #FFFFFF;
  --ink:        #16174F;
  --ink-soft:   #3F4470;
  --ink-faint:  #6E7396;
  --line:       #E1E8F0;
  --line-strong:#C9D4E2;

  /* Dark section tokens */
  --dark-bg:      #101243;
  --dark-surface: #1A1C56;
  --dark-text:    #EFF3FA;
  --dark-muted:   #9BA3C9;
  --dark-line:    rgba(239, 243, 250, 0.14);
  --dark-accent:  #57BACC;

  /* Gradients */
  --grad-blue: linear-gradient(92deg, #57BACC 0%, #3D7BD8 55%, #005CA5 100%);
  --grad-core: linear-gradient(135deg, #3D7BD8 0%, #16174F 80%);

  /* Type */
  --font-display: "Montserrat", "Avenir Next", -apple-system, sans-serif;
  --font-body: "Poppins", -apple-system, "Segoe UI", sans-serif;

  /* Rhythm */
  --space-section: clamp(5.5rem, 13vh, 10rem);
  --container: 1200px;
  --gutter: clamp(1.25rem, 4vw, 3rem);

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.65s;
}

/* ---------- Reset & base ---------- */

*, *::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: 1rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--ink-soft);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0;
  text-wrap: balance;
}

p { margin: 0; }

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

button {
  font: inherit;
  cursor: pointer;
  border: 0;
  background: none;
  color: inherit;
}

::selection { background: rgba(87, 186, 204, 0.3); }

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  padding: 0.75rem 1.25rem;
  background: var(--navy);
  color: #fff;
  font-size: 0.875rem;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Layout primitives ---------- */

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--space-section); position: relative; }

.section-head { max-width: 48rem; margin-bottom: clamp(2.5rem, 6vh, 4.5rem); }

/* ---------- Typography components ---------- */

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 1.5rem;
}
.eyebrow::before {
  content: "";
  width: 2rem;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-blue);
  flex: none;
}
.eyebrow--plain::before { display: none; }

.display-xl {
  font-size: clamp(2.4rem, 5.6vw, 4.25rem);
  line-height: 1.06;
  text-transform: uppercase;
  letter-spacing: -0.005em;
  font-weight: 800;
}
.display-lg {
  font-size: clamp(1.9rem, 4vw, 3rem);
  text-transform: uppercase;
  font-weight: 800;
}
.display-md { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 800; }

.lede {
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  line-height: 1.75;
  font-weight: 300;
  color: var(--ink-soft);
  max-width: 40em;
}

.muted { color: var(--ink-faint); }

/* Brand two-tone accent: blue gradient text on the key phrase */
em.accent {
  font-style: normal;
  color: var(--co, var(--blue));
}
@supports (-webkit-background-clip: text) or (background-clip: text) {
  em.accent {
    background: var(--co-grad, var(--grad-blue));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}
.eco em.accent, .closing em.accent {
  background: linear-gradient(92deg, #7BD4E4, #57BACC);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 3rem;
  padding: 0.8rem 1.75rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: background-color 0.2s var(--ease-out), color 0.2s var(--ease-out),
              border-color 0.2s var(--ease-out), transform 0.2s var(--ease-out),
              box-shadow 0.2s var(--ease-out);
}
.btn svg { width: 1rem; height: 1rem; flex: none; transition: transform 0.25s var(--ease-out); }
.btn:hover svg { transform: translateX(3px); }

.btn--solid {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 10px 24px -12px rgba(0, 92, 165, 0.55);
}
.btn--solid:hover { background: var(--blue-deep); }

.btn--ghost {
  border: 1.5px solid var(--line-strong);
  background: transparent;
  color: var(--navy);
}
.btn--ghost:hover { border-color: var(--blue); color: var(--blue); }

.btn--light { background: #fff; color: var(--navy); }
.btn--light:hover { background: #E4F1F8; }

/* Company-colored CTA (uses the active company hue) */
.btn--brand {
  background: var(--co, var(--blue));
  color: #fff;
  box-shadow: 0 10px 24px -12px color-mix(in srgb, var(--co, var(--blue)) 60%, transparent);
}
.btn--brand:hover { filter: brightness(0.94); }
.btn--brand svg { transition: transform 0.25s var(--ease-out); }
.btn--brand:hover svg { transform: translate(2px, -2px); }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--blue);
  border-bottom: 1.5px solid var(--sky-soft);
  padding-bottom: 2px;
  transition: border-color 0.2s var(--ease-out), color 0.2s var(--ease-out);
}
.text-link svg { width: 0.9rem; height: 0.9rem; transition: transform 0.25s var(--ease-out); }
.text-link:hover { color: var(--blue-deep); border-color: var(--blue); }
.text-link:hover svg { transform: translateX(3px); }

/* ---------- Navigation ---------- */

.nav {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  transition: background-color 0.3s var(--ease-out), border-color 0.3s var(--ease-out),
              backdrop-filter 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(255, 255, 255, 0.88);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
  box-shadow: 0 6px 24px -18px rgba(22, 23, 79, 0.25);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 4.5rem;
}

.nav-logo { height: 2.4rem; width: auto; }

.wordmark {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--navy-mid);
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
}
.wordmark span {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--blue);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink-soft);
  transition: color 0.2s var(--ease-out);
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--blue); }

.nav-cta { flex: none; }
.nav .btn { min-height: 2.6rem; padding: 0.5rem 1.35rem; font-size: 0.84rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  align-items: center;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: var(--navy);
  transition: transform 0.3s var(--ease-out), opacity 0.2s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }
  .nav-menu {
    position: fixed;
    inset: 0;
    top: 4.5rem;
    background: #fff;
    padding: 2rem var(--gutter);
    display: none;
  }
  .nav-menu.is-open { display: block; }
  .nav-links { flex-direction: column; align-items: flex-start; gap: 0; }
  .nav-links li { width: 100%; border-bottom: 1px solid var(--line); }
  .nav-links a {
    display: block;
    padding: 1.15rem 0;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--navy);
  }
}

/* ---------- Decorative brand washes ---------- */

.wash {
  position: absolute;
  pointer-events: none;
  border-radius: 50%;
}
.wash--sky {
  background: radial-gradient(closest-side, rgba(87, 186, 204, 0.18), transparent);
}
.wash--red {
  background: radial-gradient(closest-side, rgba(193, 50, 39, 0.10), transparent);
}
.wash--blue {
  background: radial-gradient(closest-side, rgba(0, 92, 165, 0.12), transparent);
}

/* ---------- Hero · Aurora light-field + kinetic editorial ---------- */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
  padding-block: clamp(7rem, 16vh, 10rem) clamp(4rem, 9vh, 6rem);
  background: linear-gradient(180deg, #FBFCFE 0%, #EEF5FC 100%);
}

/* Ambient field */
.hero-fx { position: absolute; inset: 0; z-index: -1; overflow: hidden; }

.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(72px);
  opacity: 0.6;
  will-change: transform;
}
.hero-blob.b1 {
  width: 44rem; height: 44rem; left: -12rem; top: -14rem;
  background: radial-gradient(closest-side, rgba(87, 186, 204, 0.6), transparent 72%);
  animation: blobA 17s ease-in-out infinite;
}
.hero-blob.b2 {
  width: 40rem; height: 40rem; right: -12rem; top: -8rem;
  background: radial-gradient(closest-side, rgba(61, 123, 216, 0.55), transparent 72%);
  animation: blobB 21s ease-in-out infinite;
}
.hero-blob.b3 {
  width: 38rem; height: 38rem; right: 4%; bottom: -18rem;
  background: radial-gradient(closest-side, rgba(22, 23, 79, 0.3), transparent 72%);
  animation: blobC 19s ease-in-out infinite;
}
.hero-blob.b4 {
  width: 22rem; height: 22rem; left: 14%; bottom: -8rem;
  background: radial-gradient(closest-side, rgba(193, 51, 39, 0.2), transparent 72%);
  animation: blobA 24s ease-in-out infinite reverse;
}

@keyframes blobA { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(4rem, 3rem) scale(1.12); } }
@keyframes blobB { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-5rem, 2.5rem) scale(1.08); } }
@keyframes blobC { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-3rem, -4rem) scale(1.15); } }

/* Faint orbit-ring halo behind the headline */
.hero-rings {
  position: absolute;
  left: 50%; top: 46%;
  width: min(74rem, 135vw);
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  opacity: 0.55;
  overflow: visible;
}
.hero-rings .r { fill: none; stroke: rgba(22, 23, 79, 0.09); stroke-width: 0.4; }
.hero-rings .r-dash { stroke: rgba(0, 92, 165, 0.18); stroke-dasharray: 1 3; }
.hero-rings .spin { transform-origin: center; animation: slowSpin 80s linear infinite; }
.hero-rings .spin-mid { transform-origin: center; animation: slowSpin 104s linear infinite; }
.hero-rings .spin-rev { transform-origin: center; animation: slowSpin 60s linear infinite reverse; }
.hero-rings .odot { fill: var(--sky); }
.hero-rings .odot--red { fill: var(--red); }
.hero-rings .odot--blue { fill: var(--blue); }

@keyframes slowSpin { to { transform: rotate(360deg); } }

/* Subtle grain to enrich the light */
.hero-grain {
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.035;
  mix-blend-mode: multiply;
}

/* Content */
.hero-inner {
  text-align: center;
  max-width: 62rem;
  margin-inline: auto;
}
.hero .eyebrow { justify-content: center; }

.hero-title {
  font-size: clamp(2.6rem, 6.6vw, 5.4rem);
  line-height: 1.02;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin-bottom: 1.75rem;
}

.hero .lede { margin-inline: auto; margin-bottom: 2.5rem; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: center; }

.hero-stats {
  list-style: none;
  margin: clamp(3rem, 8vh, 5rem) auto 0;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 3rem;
  max-width: 52rem;
}
.hero-stats li { text-align: center; }
.hero-stats .v {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  color: var(--navy);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.hero-stats .v sup { color: var(--blue); font-size: 0.55em; }
.hero-stats .k { font-size: 0.8rem; color: var(--ink-faint); margin-top: 0.35rem; display: block; }

/* Scroll cue */
.hero-scroll {
  position: absolute;
  left: 50%; bottom: 1.75rem;
  transform: translateX(-50%);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.hero-scroll svg { width: 1.1rem; height: 1.1rem; animation: scrollBob 2s ease-in-out infinite; }
@keyframes scrollBob { 0%,100% { transform: translateY(0); opacity: 0.6; } 50% { transform: translateY(4px); opacity: 1; } }

@media (max-width: 600px) {
  .hero-scroll { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-blob,
  .hero-rings .spin,
  .hero-rings .spin-mid,
  .hero-rings .spin-rev,
  .hero-scroll svg { animation: none; }
}

/* ---------- Fragmentation section ---------- */

.frag-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}

.frag-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.frag-list li {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--line);
}
.frag-list .idx {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--sky);
  font-size: 0.85rem;
  min-width: 2rem;
}
.frag-list .what { font-weight: 500; color: var(--navy); }
.frag-list .who {
  margin-left: auto;
  font-size: 0.85rem;
  color: var(--ink-faint);
  text-align: right;
}

.frag-note {
  margin-top: 2rem;
  padding-left: 1.5rem;
  border-left: 3px solid var(--red);
  color: var(--ink-soft);
  max-width: 34em;
}

@media (max-width: 860px) {
  .frag-grid { grid-template-columns: 1fr; }
}

/* ---------- Pillars ---------- */

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem);
}
.pillar {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  box-shadow: 0 20px 45px -32px rgba(22, 23, 79, 0.25);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.pillar:hover {
  transform: translateY(-4px);
  box-shadow: 0 26px 55px -30px rgba(0, 92, 165, 0.35);
}
.pillar .num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue);
  display: block;
  margin-bottom: 1.5rem;
}
.pillar h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 0.9rem; text-transform: none; }
.pillar p { color: var(--ink-soft); font-size: 0.95rem; }

@media (max-width: 860px) {
  .pillars { grid-template-columns: 1fr; }
}

/* ---------- Dark ecosystem section ---------- */

.eco {
  background:
    radial-gradient(50rem 30rem at 85% 0%, rgba(61, 123, 216, 0.22), transparent 60%),
    radial-gradient(40rem 26rem at 0% 100%, rgba(87, 186, 204, 0.14), transparent 60%),
    var(--dark-bg);
  color: var(--dark-text);
  position: relative;
  overflow: hidden;
}
.eco h2, .eco h3 { color: var(--dark-text); }
.eco .eyebrow { color: var(--dark-accent); }
.eco .lede { color: var(--dark-muted); }

.eco-grid {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
  margin-top: clamp(2.5rem, 6vh, 4rem);
}

/* Bespoke interactive constellation — the ecosystem, built in code */
.eco-orbit {
  position: relative;
  width: 100%;
  max-width: 34rem;
  aspect-ratio: 1 / 1;
  margin-inline: auto;
}
.eco-threads {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}
.eco-ring { fill: none; stroke: rgba(255, 255, 255, 0.07); stroke-width: 0.35; }
.eco-ring--dash { stroke: rgba(255, 255, 255, 0.1); stroke-dasharray: 0.6 2.6; }

.thread {
  stroke: rgba(255, 255, 255, 0.14);
  stroke-width: 0.5;
  transition: stroke 0.5s var(--ease-out), stroke-width 0.5s var(--ease-out);
}
.thread.is-active {
  stroke-width: 0.9;
  stroke-dasharray: 1.4 2.2;
  animation: threadFlow 1.1s linear infinite;
}
#thread-arka.is-active { stroke: #E0685E; }
#thread-synergy.is-active { stroke: #57BACC; }
#thread-synai.is-active { stroke: #35C4B5; }
@keyframes threadFlow { to { stroke-dashoffset: -7.2; } }

/* Core */
.eco-core {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: clamp(4.75rem, 17%, 7rem);
  aspect-ratio: 1;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 34% 28%, #4A83DE, #101243 76%);
  box-shadow: 0 0 0 1px rgba(87, 186, 204, 0.45), 0 24px 55px -14px rgba(0, 0, 0, 0.7);
  animation: corePulse 4.5s ease-in-out infinite;
  z-index: 3;
}
.eco-core span {
  font-family: var(--font-display);
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.06em;
  font-size: clamp(0.95rem, 3vw, 1.35rem);
}
@keyframes corePulse {
  0%, 100% { box-shadow: 0 0 0 1px rgba(87, 186, 204, 0.45), 0 0 0 6px rgba(87, 186, 204, 0.06), 0 24px 55px -14px rgba(0, 0, 0, 0.7); }
  50% { box-shadow: 0 0 0 1px rgba(87, 186, 204, 0.55), 0 0 0 18px rgba(87, 186, 204, 0), 0 24px 55px -14px rgba(0, 0, 0, 0.7); }
}

/* Company nodes */
.eco-node {
  position: absolute;
  left: var(--x); top: var(--y);
  transform: translate(-50%, -50%);
  width: clamp(4.5rem, 22%, 6.25rem);
  aspect-ratio: 1;
  border-radius: 50%;
  display: grid;
  place-items: center;
  gap: 0.1rem;
  text-align: center;
  background: rgba(26, 28, 86, 0.82);
  border: 1px solid var(--dark-line);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  color: var(--dark-muted);
  cursor: pointer;
  z-index: 2;
  transition: transform 0.45s var(--ease-out), border-color 0.45s var(--ease-out),
              box-shadow 0.45s var(--ease-out), color 0.45s var(--ease-out), background-color 0.45s var(--ease-out);
}
.eco-node .nlabel { font-family: var(--font-display); font-weight: 800; font-size: clamp(0.72rem, 1.9vw, 0.9rem); line-height: 1; }
.eco-node .ncap { font-size: 0.5rem; letter-spacing: 0.14em; text-transform: uppercase; opacity: 0.72; }
.eco-node:hover { color: #fff; border-color: rgba(255, 255, 255, 0.28); transform: translate(-50%, -50%) scale(1.05); }
.eco-node.is-active { color: #fff; background: #232566; transform: translate(-50%, -50%) scale(1.12); }
.n-arka.is-active { border-color: #E0685E; box-shadow: 0 0 0 4px rgba(224, 104, 94, 0.16), 0 0 34px rgba(224, 104, 94, 0.4); }
.n-synergy.is-active { border-color: #57BACC; box-shadow: 0 0 0 4px rgba(87, 186, 204, 0.16), 0 0 34px rgba(87, 186, 204, 0.4); }
.n-synai.is-active { border-color: #35C4B5; box-shadow: 0 0 0 4px rgba(53, 196, 181, 0.16), 0 0 34px rgba(53, 196, 181, 0.4); }

@media (prefers-reduced-motion: reduce) {
  .eco-core { animation: none; }
  .thread.is-active { animation: none; }
}

.eco-tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}
.eco-tab {
  padding: 0.55rem 1.2rem;
  border-radius: 999px;
  border: 1px solid var(--dark-line);
  font-family: var(--font-display);
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--dark-muted);
  transition: color 0.25s var(--ease-out), border-color 0.25s var(--ease-out), background-color 0.25s var(--ease-out);
}
.eco-tab:hover { color: #fff; border-color: rgba(87, 186, 204, 0.5); }
.eco-tab[aria-selected="true"] {
  color: var(--navy);
  background: var(--dark-accent);
  border-color: var(--dark-accent);
}

.eco-panel h3 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  margin-bottom: 0.4rem;
}
.eco-panel .role {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dark-accent);
  display: block;
  margin-bottom: 1.4rem;
}
.eco-panel p { color: var(--dark-muted); margin-bottom: 1.75rem; max-width: 30em; }
.eco-panel .text-link { color: var(--dark-accent); border-color: var(--dark-line); }
.eco-panel .text-link:hover { color: #7BD4E4; border-color: var(--dark-accent); }
.eco-panel[hidden] { display: none; }

@media (max-width: 960px) {
  .eco-grid { grid-template-columns: 1fr; }
}

/* ---------- Company index rows ---------- */

.co-row {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 5fr) minmax(0, 3fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: start;
  padding: clamp(2.25rem, 5vh, 3.5rem) 0;
  border-top: 1px solid var(--line-strong);
  position: relative;
}
.co-row:last-of-type { border-bottom: 1px solid var(--line-strong); }

.co-row .idx {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--co, var(--blue));
  display: block;
  margin-bottom: 1rem;
}
.co-row .co-logo { height: 3.4rem; width: auto; margin-bottom: 1.25rem; }
.co-row h3 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); text-transform: none; }
.co-row .co-domain {
  display: inline-block;
  margin-top: 0.9rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--co, var(--blue));
  font-weight: 700;
}
.co-row .co-domain a { border-bottom: 1px solid transparent; transition: border-color 0.2s var(--ease-out); }
.co-row .co-domain a:hover { border-bottom-color: currentColor; }
.co-row .desc { color: var(--ink-soft); max-width: 30em; }
.co-row .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
  list-style: none;
  padding: 0;
}
.co-row .tags li {
  font-size: 0.8rem;
  font-weight: 400;
  padding: 0.3rem 0.85rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink-soft);
}
.co-row .go { justify-self: end; align-self: center; }

.co-row--arka { --co: var(--hue-arka); }
.co-row--synergy { --co: var(--hue-sbc); }
.co-row--synai { --co: var(--hue-synai); }

@media (max-width: 860px) {
  .co-row { grid-template-columns: 1fr; }
  .co-row .go { justify-self: start; }
}

/* ---------- Journey / how we work ---------- */

.journey {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem);
}
.journey-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 2.25rem 2rem;
  box-shadow: 0 20px 45px -32px rgba(22, 23, 79, 0.25);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
}
.journey-card:hover {
  transform: translateY(-4px);
  border-color: var(--sky-soft);
  box-shadow: 0 26px 55px -30px rgba(0, 92, 165, 0.35);
}
.journey-card .step {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue);
  display: block;
  margin-bottom: 1.25rem;
}
.journey-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.85rem; text-transform: none; }
.journey-card p { color: var(--ink-soft); font-size: 0.95rem; }

@media (max-width: 860px) {
  .journey { grid-template-columns: 1fr; }
}

/* ---------- Proof ---------- */

.proof {
  background:
    radial-gradient(50rem 30rem at 100% 100%, rgba(87, 186, 204, 0.14), transparent 60%),
    var(--bg-soft);
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem);
}
.stat {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  box-shadow: 0 20px 45px -32px rgba(22, 23, 79, 0.22);
}
.stat .value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--navy);
  display: block;
  margin-bottom: 0.75rem;
  font-variant-numeric: tabular-nums;
}
.stat .value sup { font-size: 0.45em; color: var(--blue); }
.stat .label { font-size: 0.9rem; color: var(--ink-soft); max-width: 18em; display: block; }

@media (max-width: 860px) {
  .stats { grid-template-columns: 1fr; }
}

.industries {
  margin-top: clamp(3rem, 7vh, 4.5rem);
}
.industries h3 {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 1.25rem;
}
.industries ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1rem, 1.8vw, 1.3rem);
  color: var(--navy-mid);
}
.industries li { display: flex; align-items: center; }
.industries li + li::before {
  content: "·";
  margin-inline: 0.9rem;
  color: var(--sky);
}

/* ---------- Audiences ---------- */

.audiences {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem);
}
.audience {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 2rem;
  background: var(--surface);
  transition: border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.audience:hover {
  border-color: var(--sky-soft);
  transform: translateY(-3px);
  box-shadow: 0 22px 45px -30px rgba(0, 92, 165, 0.35);
}
.audience .aud-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(87, 186, 204, 0.16), rgba(0, 92, 165, 0.12));
  display: grid;
  place-items: center;
  margin-bottom: 1.4rem;
  color: var(--blue);
}
.audience .aud-icon svg { width: 1.2rem; height: 1.2rem; }
.audience h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.6rem; text-transform: none; }
.audience p { font-size: 0.95rem; color: var(--ink-soft); }

@media (max-width: 700px) {
  .audiences { grid-template-columns: 1fr; }
}

/* ---------- Values strip ---------- */

.values {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  border-top: 1px solid var(--line);
  padding-top: 2.5rem;
  margin-top: clamp(3rem, 8vh, 5rem);
}
.value h3 {
  font-size: 1rem;
  font-weight: 700;
  text-transform: none;
  margin-bottom: 0.5rem;
}
.value h3::before {
  content: "";
  display: block;
  width: 1.75rem;
  height: 3px;
  border-radius: 3px;
  background: var(--grad-blue);
  margin-bottom: 0.85rem;
}
.value p { font-size: 0.875rem; color: var(--ink-faint); }

@media (max-width: 860px) {
  .values { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .values { grid-template-columns: 1fr; }
}

/* ---------- Closing CTA ---------- */

.closing {
  background:
    radial-gradient(60rem 34rem at 50% 130%, rgba(61, 123, 216, 0.35), transparent 65%),
    radial-gradient(40rem 24rem at 90% -10%, rgba(87, 186, 204, 0.16), transparent 60%),
    var(--dark-bg);
  color: var(--dark-text);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.closing h2 { color: #fff; margin-inline: auto; max-width: 18em; margin-bottom: 1.5rem; }
.closing .eyebrow { color: var(--dark-accent); justify-content: center; }
.closing .lede { color: var(--dark-muted); margin-inline: auto; margin-bottom: 2.75rem; }
.closing-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 1rem; position: relative; }
.closing .sub {
  margin-top: 2.5rem;
  font-size: 0.85rem;
  color: var(--dark-muted);
}

/* ---------- Footer ---------- */

.footer {
  background: var(--navy);
  color: var(--dark-muted);
  border-top: 1px solid var(--dark-line);
  padding-block: 3.5rem 2.5rem;
  font-size: 0.875rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}
.footer .wordmark { color: #fff; }
.footer .wordmark span { color: var(--dark-accent); }
.footer-logo { height: 3rem; width: auto; }
.footer p { max-width: 24em; margin-top: 1rem; }
.footer h3 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 1.1rem;
}
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.65rem; }
.footer a { transition: color 0.2s var(--ease-out); }
.footer a:hover { color: var(--dark-accent); }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--dark-line);
  font-size: 0.8rem;
}

@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 540px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   Company pages
   ============================================================ */

.page-hero {
  padding-top: clamp(9rem, 20vh, 12rem);
  padding-bottom: clamp(3.5rem, 8vh, 5.5rem);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(55rem 30rem at 115% -15%, var(--co-wash, rgba(87, 186, 204, 0.14)), transparent 60%),
    #fff;
}
.page-hero .eyebrow { color: var(--co, var(--blue)); }
.page-hero .eyebrow::before { background: var(--co, var(--blue)); }
.page-hero h1 { margin-bottom: 1.5rem; max-width: 14em; }
.page-hero .lede { margin-bottom: 2.5rem; }
.page-hero .co-logo { height: 3rem; width: auto; margin-bottom: 2rem; }
.co-synergy .page-hero .co-logo { height: 3.6rem; }
.page-hero-actions { margin-bottom: 2.5rem; display: flex; flex-wrap: wrap; gap: 1rem; }
.page-hero-meta a {
  color: var(--co, var(--blue));
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.92rem;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease-out);
}
.page-hero-meta a:hover { border-bottom-color: currentColor; }
.page-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 3rem;
  font-size: 0.85rem;
  color: var(--ink-faint);
}
.page-hero-meta strong {
  display: block;
  color: var(--navy);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.92rem;
}

.co-arka { --co: var(--hue-arka); --co-grad: linear-gradient(92deg, #E0685E, #C13327); --co-wash: rgba(193, 50, 39, 0.08); }
.co-synergy { --co: var(--hue-sbc); --co-grad: linear-gradient(92deg, #57BACC, #2E93A6); --co-wash: rgba(87, 186, 204, 0.16); }
.co-synai { --co: var(--hue-synai); --co-grad: linear-gradient(92deg, #35C4B5, #1F8F85); --co-wash: rgba(31, 143, 133, 0.12); }

/* Capability grid */
.caps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem);
}
.cap {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  padding: 2.25rem 2rem;
  box-shadow: 0 20px 45px -32px rgba(22, 23, 79, 0.22);
  transition: border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.cap:hover {
  border-color: var(--sky-soft);
  transform: translateY(-3px);
  box-shadow: 0 26px 55px -30px rgba(0, 92, 165, 0.32);
}
.cap .cap-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 12px;
  background: color-mix(in srgb, var(--co, var(--blue)) 12%, #fff);
  display: grid;
  place-items: center;
  color: var(--co, var(--blue));
  margin-bottom: 1.4rem;
}
.cap .cap-icon svg { width: 1.2rem; height: 1.2rem; }
.cap h3 { font-size: 1.2rem; font-weight: 700; text-transform: none; margin-bottom: 0.9rem; }
.cap ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}
.cap ul li { display: flex; gap: 0.65rem; align-items: baseline; }
.cap ul li::before {
  content: "";
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 50%;
  background: var(--co, var(--blue));
  flex: none;
  transform: translateY(-1px);
}
.cap > p { color: var(--ink-soft); font-size: 0.95rem; }
.cap .result {
  margin-top: 1.25rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--ink-faint);
}
.cap .result strong { color: var(--co, var(--blue)); font-weight: 700; }

@media (max-width: 760px) {
  .caps { grid-template-columns: 1fr; }
}

/* Process timeline */
.process {
  counter-reset: phase;
  border-top: 1px solid var(--line-strong);
}
.phase {
  counter-increment: phase;
  display: grid;
  grid-template-columns: 5rem minmax(0, 3fr) minmax(0, 6fr);
  gap: 1.5rem 2.5rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--line-strong);
  align-items: baseline;
}
.phase::before {
  content: "0" counter(phase);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--co, var(--blue));
}
.phase h3 { font-size: 1.2rem; font-weight: 700; text-transform: none; }
.phase .when {
  display: block;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--ink-faint);
  margin-top: 0.4rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.phase p { color: var(--ink-soft); font-size: 0.95rem; }

@media (max-width: 760px) {
  .phase { grid-template-columns: 3rem 1fr; }
  .phase p { grid-column: 2; }
}

/* Engagement tiers */
.tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem);
  align-items: stretch;
}
.tier {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 2.25rem 2rem;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 45px -32px rgba(22, 23, 79, 0.22);
  transition: border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.tier:hover {
  transform: translateY(-4px);
  box-shadow: 0 26px 55px -30px rgba(0, 92, 165, 0.32);
}
.tier--featured { border-color: var(--co, var(--blue)); border-width: 1.5px; }
.tier .tier-tag {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--co, var(--blue));
  display: block;
  margin-bottom: 1.1rem;
}
.tier h3 { font-size: 1.25rem; font-weight: 700; text-transform: none; margin-bottom: 0.85rem; }
.tier p { color: var(--ink-soft); font-size: 0.95rem; flex: 1; }
.tier .timeline {
  margin-top: 1.5rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--ink-faint);
}

@media (max-width: 860px) {
  .tiers { grid-template-columns: 1fr; }
}

/* Sibling ecosystem strip */
.siblings { background: var(--bg-soft); }
.sibling-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem);
}
.sibling {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 2rem;
  background: #fff;
  display: block;
  box-shadow: 0 20px 45px -32px rgba(22, 23, 79, 0.22);
  transition: border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.sibling:hover {
  transform: translateY(-3px);
  box-shadow: 0 26px 55px -30px rgba(0, 92, 165, 0.32);
}
.sibling .sib-role {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.9rem;
}
.sibling h3 { font-size: 1.25rem; font-weight: 700; text-transform: none; margin-bottom: 0.5rem; }
.sibling p { font-size: 0.9rem; color: var(--ink-soft); margin-bottom: 1.25rem; }
.sibling--arka .sib-role { color: var(--hue-arka); }
.sibling--synergy .sib-role { color: var(--hue-sbc); }
.sibling--synai .sib-role { color: var(--hue-synai); }
.sibling--arka:hover { border-color: var(--hue-arka); }
.sibling--synergy:hover { border-color: var(--hue-sbc); }
.sibling--synai:hover { border-color: var(--hue-synai); }

@media (max-width: 700px) {
  .sibling-cards { grid-template-columns: 1fr; }
}

/* ---------- Reveal animation ---------- */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
  transition-delay: var(--d, 0s);
}
.reveal.in-view { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}