/* ==========================================================================
   Commpound Marketing site.css
   ========================================================================== */

html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--ink);
  background: var(--white);
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.skip {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--purple);
  color: #fff;
  padding: 10px 14px;
  z-index: 100;
  border-radius: 8px;
  font-weight: 600;
  transition: top 160ms ease;
}
.skip:focus { top: 16px; }

/* ---------- Reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translate3d(0, 18px, 0);
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
  will-change: opacity, transform;
}
[data-reveal].in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ---------- Typography helpers ---------- */
.eyebrow,
.section-label {
  font-family: var(--font-body);
  font-size: var(--fs-micro);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(0, 0, 0, 0.55);
}
.section-label--light { color: rgba(255, 255, 255, 0.6); }

.grad {
  background: linear-gradient(135deg, #9B8BFF 0%, #6E5CFA 50%, #4F3CE9 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

em {
  font-style: normal;
  color: var(--purple);
  font-weight: 600;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  padding: 14px 22px;
  border-radius: var(--r-full);
  transition: transform var(--dur-fast) var(--ease-out),
              background-color var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out);
  white-space: nowrap;
  line-height: 1;
}
.btn--lg  { padding: 18px 28px; font-size: 1rem; }
.btn--xl  { padding: 22px 36px; font-size: clamp(1rem, 1.1vw, 1.125rem); }
.btn--primary {
  background: var(--purple);
  color: #fff;
  box-shadow: 0 8px 24px rgba(110, 92, 250, 0.35);
}
.btn--primary:hover {
  transform: translateY(-2px);
  background: #5E4CF0;
  box-shadow: 0 12px 32px rgba(110, 92, 250, 0.5);
}
.btn--ghost {
  background: transparent;
  color: inherit;
  border: 1px solid rgba(0, 0, 0, 0.2);
}
.btn--ghost:hover {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.4);
}
.section--dark .btn--ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.25);
}
.section--dark .btn--ghost:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.5);
}

/* ==========================================================================
   NAV
   ========================================================================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  transition: background-color var(--dur-fast) var(--ease-out),
              backdrop-filter var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out),
              padding var(--dur-fast) var(--ease-out);
  border-bottom: 1px solid transparent;
}
.nav__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 18px;
  padding-bottom: 18px;
  transition: padding var(--dur-fast) var(--ease-out);
}
.nav.is-scrolled {
  background: rgba(7, 12, 49, 0.82);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom-color: rgba(255, 255, 255, 0.08);
}
.nav.is-scrolled .nav__inner { padding-top: 12px; padding-bottom: 12px; }

.nav__brand img { height: 24px; width: auto; }

.nav__links {
  display: flex;
  gap: 28px;
  margin-left: auto;
  margin-right: 12px;
}
.nav__links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.78);
  position: relative;
  padding: 6px 0;
  transition: color var(--dur-fast) var(--ease-out);
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--purple-soft);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-fast) var(--ease-out);
}
.nav__links a:hover { color: #fff; }
.nav__links a:hover::after { transform: scaleX(1); }

.nav__cta { padding: 10px 18px; font-size: 0.875rem; }

.nav__toggle {
  display: none;
  width: 40px; height: 40px;
  margin-left: auto;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 8px;
}
.nav__toggle span {
  display: block;
  width: 22px; height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 200ms var(--ease-out), opacity 200ms var(--ease-out);
}
.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); }

.nav__mobile {
  display: none;
  flex-direction: column;
  padding: 16px var(--gutter) 28px;
  background: rgba(7, 12, 49, 0.96);
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.nav__mobile a {
  padding: 14px 0;
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.nav__mobile a.btn { border-bottom: 0; margin-top: 16px; }

@media (max-width: 900px) {
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: flex; }
  .nav__mobile[data-open="true"] { display: flex; }
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative;
  background: var(--indigo);
  color: #fff;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: clamp(120px, 18vh, 200px) 0 clamp(80px, 12vh, 140px);
}
.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.06;
  z-index: 0;
  mix-blend-mode: screen;
}
.hero__bg img {
  position: absolute;
  top: -20%; right: -10%;
  width: 80vw;
  max-width: 1100px;
  min-width: 600px;
}
.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 1200px;
}
.hero .eyebrow {
  color: var(--purple-soft);
  margin-bottom: clamp(20px, 3vh, 40px);
}
.hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-display-xl);
  line-height: 0.95;
  letter-spacing: -0.035em;
  color: #fff;
  margin-bottom: clamp(24px, 4vh, 48px);
  max-width: 14ch;
}
.hero__sub {
  font-size: var(--fs-body-l);
  max-width: 640px;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: clamp(32px, 5vh, 56px);
  line-height: 1.45;
}
.hero__ctas { display: flex; gap: 16px; flex-wrap: wrap; }

.hero__scroll {
  position: absolute;
  right: var(--gutter);
  bottom: 40px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: var(--fs-micro);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  z-index: 1;
}
.hero__scroll-line {
  display: block;
  width: 48px;
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,0.1), var(--purple-soft));
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, #fff, transparent);
  animation: scroll-wipe 2.2s ease-in-out infinite;
}
@keyframes scroll-wipe {
  0%   { transform: translateX(-100%); }
  60%  { transform: translateX(100%); }
  100% { transform: translateX(100%); }
}
@media (prefers-reduced-motion: reduce) {
  .hero__scroll-line::after { animation: none; }
}
@media (max-width: 720px) { .hero__scroll { display: none; } }

/* ==========================================================================
   MARQUEE
   ========================================================================== */
.marquee {
  background: var(--black);
  color: #fff;
  padding: 26px 0;
  overflow: hidden;
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.marquee__track {
  display: flex;
  gap: 48px;
  white-space: nowrap;
  animation: marquee 38s linear infinite;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.125rem, 1.8vw, 1.75rem);
  letter-spacing: -0.01em;
}
.marquee__track .dot { color: var(--purple); }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee__track { animation: none; }
}

/* ==========================================================================
   SECTIONS shared
   ========================================================================== */
.section {
  padding: clamp(80px, 14vh, 160px) 0;
  position: relative;
}
.section--paper { background: var(--paper); }
.section--dark { background: var(--black); color: #fff; }

.section-head { margin-bottom: clamp(40px, 6vh, 80px); max-width: 900px; }
.section-head--split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  max-width: none;
  align-items: end;
}
@media (max-width: 800px) {
  .section-head--split { grid-template-columns: 1fr; }
}

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-display-l);
  letter-spacing: -0.03em;
  line-height: 0.98;
  margin-top: 16px;
  max-width: 22ch;
}
.section-title--light { color: #fff; }
.section-lede {
  font-size: var(--fs-body-l);
  color: rgba(0, 0, 0, 0.6);
  max-width: 52ch;
  line-height: 1.4;
  margin-top: 24px;
}
.section--dark .section-lede { color: rgba(255, 255, 255, 0.66); }

/* ==========================================================================
   ABOUT (intro)
   ========================================================================== */
.intro { background: var(--white); }
.intro__inner { max-width: 1200px; }
.intro__lines {
  margin-top: clamp(40px, 6vh, 80px);
  display: flex;
  flex-direction: column;
  gap: clamp(24px, 4vh, 40px);
}
.intro__line {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--fs-display-m);
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--ink);
  max-width: 24ch;
}
.intro__line:nth-child(2) { margin-left: clamp(0px, 6vw, 80px); max-width: 26ch; }
.intro__line:nth-child(3) { margin-left: clamp(0px, 12vw, 160px); max-width: 24ch; }
.intro__line:nth-child(4) { margin-left: clamp(0px, 4vw, 56px); max-width: 28ch; }
@media (max-width: 700px) {
  .intro__line,
  .intro__line:nth-child(2),
  .intro__line:nth-child(3),
  .intro__line:nth-child(4) { margin-left: 0; max-width: none; }
}

/* ==========================================================================
   SERVICES
   ========================================================================== */
.svc-list {
  border-top: 1px solid rgba(0,0,0,0.12);
}
.svc {
  border-bottom: 1px solid rgba(0,0,0,0.12);
  transition: background-color var(--dur-fast) var(--ease-out);
}
.svc:hover { background: rgba(110, 92, 250, 0.04); }
.svc__row {
  width: 100%;
  display: grid;
  grid-template-columns: 80px 1fr auto 40px;
  align-items: center;
  gap: 24px;
  padding: clamp(24px, 4vh, 40px) 0;
  text-align: left;
  cursor: pointer;
}
.svc__num {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.5rem, 2.2vw, 2rem);
  color: rgba(0, 0, 0, 0.35);
  letter-spacing: -0.02em;
}
.svc__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.75rem, 3.4vw, 3rem);
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--ink);
  transition: color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.svc:hover .svc__name { color: var(--purple); transform: translateX(6px); }
.svc__tags {
  font-size: var(--fs-micro);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(0, 0, 0, 0.55);
  justify-self: end;
}
.svc__toggle {
  font-family: var(--font-display);
  font-size: 1.5rem;
  width: 36px; height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: transparent;
  color: rgba(0,0,0,0.5);
  border: 1px solid rgba(0,0,0,0.2);
  transition: background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.svc__row[aria-expanded="true"] .svc__toggle {
  background: var(--purple);
  border-color: var(--purple);
  color: #fff;
  transform: rotate(45deg);
}
.svc__detail {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--dur) var(--ease-out);
}
.svc__detail > p {
  overflow: hidden;
  min-height: 0;
  padding: 0 0 clamp(24px, 4vh, 40px) 104px;
  max-width: 70ch;
  font-size: var(--fs-body-l);
  color: rgba(0, 0, 0, 0.7);
  line-height: 1.5;
}
.svc__row[aria-expanded="true"] + .svc__detail { grid-template-rows: 1fr; }
@media (max-width: 800px) {
  .svc__row { grid-template-columns: 48px 1fr 32px; }
  .svc__tags { display: none; }
  .svc__detail p { padding-left: 72px; }
}
@media (max-width: 500px) {
  .svc__row { grid-template-columns: 40px 1fr 32px; gap: 12px; }
  .svc__detail p { padding-left: 52px; }
}

/* ==========================================================================
   COMPOUND LOOP
   ========================================================================== */
.loop { background: radial-gradient(ellipse at 50% 40%, #1A1055 0%, #0A0725 50%, #000 100%); color: #fff; }
.loop__stage {
  display: grid;
  grid-template-columns: minmax(320px, 520px) 1fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
  margin-top: clamp(40px, 6vh, 64px);
}
@media (max-width: 900px) { .loop__stage { grid-template-columns: 1fr; } }

.loop__wheel {
  position: relative;
  width: 100%;
  aspect-ratio: 1/1;
  max-width: 520px;
  margin: 0 auto;
}
.loop__rail {
  width: 100%; height: 100%;
  display: block;
}
.loop__rail circle {
  fill: none;
  stroke: rgba(255,255,255,0.12);
  stroke-width: 1;
  stroke-dasharray: 4 8;
}
.loop__node {
  position: absolute;
  width: 72px; height: 72px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.75);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out),
              background-color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out);
  backdrop-filter: blur(6px);
  transform: translate(-50%, -50%);
}
.loop__node:hover {
  background: rgba(110, 92, 250, 0.18);
  border-color: var(--purple-soft);
  color: #fff;
}
.loop__node.is-active {
  background: var(--purple);
  border-color: var(--purple);
  color: #fff;
  box-shadow: 0 0 0 8px rgba(110,92,250,0.18), 0 16px 40px rgba(110,92,250,0.4);
}
/* Positions on a circle, radius ≈ 42.5% from center */
.loop__node--1 { top: 7.5%;  left: 50%; }
.loop__node--2 { top: 28%;   left: 89%; }
.loop__node--3 { top: 72%;   left: 89%; }
.loop__node--4 { top: 92.5%; left: 50%; }
.loop__node--5 { top: 72%;   left: 11%; }
.loop__node--6 { top: 28%;   left: 11%; }

.loop__center {
  position: absolute;
  inset: 22%;
  display: grid;
  place-items: center;
  text-align: center;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(110,92,250,0.12), transparent 70%);
}
.loop__eyebrow {
  font-size: var(--fs-micro);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--purple-soft);
  margin-bottom: 8px;
}
.loop__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  color: #fff;
}
.loop__body {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.72);
  max-width: 28ch;
  line-height: 1.4;
  padding: 0 10px;
}

.loop__labels {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.5rem, 2.2vw, 2rem);
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.loop__labels li {
  color: rgba(255,255,255,0.28);
  transition: color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
  counter-increment: loop;
  display: flex;
  align-items: baseline;
  gap: 16px;
}
.loop__labels li::before {
  content: counter(loop, decimal-leading-zero);
  font-size: var(--fs-micro);
  font-weight: 500;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.3);
}
.loop__labels {
  counter-reset: loop;
}
.loop__labels li.is-active {
  color: #fff;
  transform: translateX(8px);
}
.loop__labels li.is-active::before { color: var(--purple-soft); }

@media (max-width: 500px) {
  .loop__node { width: 54px; height: 54px; font-size: 0.85rem; }
  .loop__center { inset: 18%; }
  .loop__body { font-size: 0.85rem; }
}

/* ==========================================================================
   THINKING
   ========================================================================== */
.thinking { background: var(--white); }
.think-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid rgba(0,0,0,0.12);
  border-left: 1px solid rgba(0,0,0,0.12);
}
.think {
  border-right: 1px solid rgba(0,0,0,0.12);
  border-bottom: 1px solid rgba(0,0,0,0.12);
  padding: clamp(32px, 5vh, 56px);
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: background-color var(--dur-fast) var(--ease-out);
  cursor: default;
}
.think:hover { background: var(--purple-veil); }
.think__cat {
  font-size: var(--fs-micro);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--purple);
  font-weight: 600;
}
.think__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.375rem, 2vw, 1.875rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--ink);
  margin: 20px 0 24px;
  max-width: 28ch;
}
.think__meta {
  font-size: var(--fs-micro);
  letter-spacing: 0.04em;
  color: rgba(0,0,0,0.5);
}
@media (max-width: 700px) { .think-grid { grid-template-columns: 1fr; } }

/* ==========================================================================
   ABOUT
   ========================================================================== */
.about__inner { max-width: 1200px; }
.about__pull {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--fs-display-m);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: clamp(32px, 5vh, 56px) 0 clamp(32px, 5vh, 56px);
  max-width: 24ch;
}
.about__sig { display: flex; flex-direction: column; gap: 4px; }
.about__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.125rem, 1.4vw, 1.375rem);
  color: var(--ink);
}
.about__role {
  font-size: var(--fs-micro);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(0,0,0,0.55);
}

/* ==========================================================================
   CTA
   ========================================================================== */
.cta {
  position: relative;
  background: var(--indigo);
  color: #fff;
  overflow: hidden;
  text-align: center;
}
.cta__bg {
  position: absolute;
  inset: 0;
  opacity: 0.06;
  pointer-events: none;
}
.cta__bg img {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 140%;
  max-width: none;
  min-width: 1000px;
}
.cta__inner { position: relative; z-index: 1; max-width: 1100px; margin: 0 auto; }
.cta__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-display-l);
  letter-spacing: -0.035em;
  line-height: 0.98;
  margin: 16px 0 clamp(24px, 4vh, 40px);
  color: #fff;
}
.cta__sub {
  font-size: var(--fs-body-l);
  color: rgba(255,255,255,0.7);
  max-width: 52ch;
  margin: 0 auto clamp(32px, 5vh, 48px);
  line-height: 1.4;
}
.cta__ctas { display: flex; justify-content: center; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background: #000;
  color: rgba(255,255,255,0.7);
  padding: clamp(60px, 10vh, 120px) 0 40px;
}
.footer__inner { display: flex; flex-direction: column; gap: 56px; }
.footer__brand { display: flex; flex-direction: column; gap: 20px; max-width: 420px; }
.footer__brand img { width: 180px; height: auto; }
.footer__tag { font-size: var(--fs-body-l); color: rgba(255,255,255,0.6); line-height: 1.4; }

.footer__cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  border-top: 1px solid rgba(255,255,255,0.08);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 40px 0;
}
.footer__col { display: flex; flex-direction: column; gap: 10px; }
.footer__label {
  font-size: var(--fs-micro);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 8px;
}
.footer__col a { transition: color var(--dur-fast) var(--ease-out); }
.footer__col a:hover { color: var(--purple-soft); }

.footer__base {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: var(--fs-micro);
  color: rgba(255,255,255,0.4);
}

@media (max-width: 700px) {
  .footer__cols { grid-template-columns: 1fr; gap: 32px; }
}