:root {
  --bg: #fbfbfd;
  --bg-strong: #f5f5f7;
  --paper: rgba(255, 255, 255, 0.8);
  --ink: #1d1d1f;
  --muted: #86868b;
  --line: rgba(0, 0, 0, 0.08);
  --accent: #0066cc;
  --accent-deep: #0071e3;
  --accent-soft: rgba(0, 102, 204, 0.1);
  --signal: #d92c2c;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.04), 0 16px 48px rgba(0, 0, 0, 0.04);
  --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.08), 0 24px 64px rgba(0, 0, 0, 0.06);
  --radius: 20px;
  --radius-sm: 12px;
  --max-width: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  position: relative;
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(0, 102, 204, 0.08), transparent 28%),
    radial-gradient(circle at 85% 20%, rgba(0, 102, 204, 0.05), transparent 22%),
    linear-gradient(180deg, #fdfdff 0%, var(--bg) 42%, #f6f7fb 100%);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

button,
input,
textarea {
  font: inherit;
}

.site-shell {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 24px 80px;
}

.ambient-vectors {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  min-height: 100%;
  opacity: 0.92;
}

.ambient-vectors::before,
.ambient-vectors::after {
  content: "";
  position: absolute;
  inset: 0;
}

.ambient-vectors::before {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.66) 18%, rgba(255, 255, 255, 0.12) 52%, rgba(255, 255, 255, 0.56) 100%);
}

.ambient-vectors::after {
  background:
    radial-gradient(circle at center, transparent 0%, transparent 52%, rgba(251, 251, 253, 0.26) 82%, rgba(251, 251, 253, 0.7) 100%);
}

.ambient-vectors__svg {
  display: block;
  width: 100%;
  height: 100%;
  min-width: 1200px;
  min-height: 100%;
  transform: scale(1.04);
}

.ambient-vectors__group {
  transform-box: fill-box;
  transform-origin: center;
}

.ambient-vectors__group--slow {
  animation: vectorDrift 24s ease-in-out infinite alternate;
}

.ambient-vectors__group--reverse {
  animation: vectorDriftReverse 30s ease-in-out infinite alternate;
}

.ambient-vectors__line {
  fill: none;
  stroke-linecap: round;
  stroke-width: 1.2;
}

.ambient-vectors__line--highlight {
  stroke: url(#vector-stroke);
  opacity: 0.34;
}

.ambient-vectors__line--soft {
  stroke: url(#vector-stroke-soft);
  opacity: 0.24;
}

.ambient-vectors__trace {
  fill: none;
  stroke-linecap: round;
  filter: url(#vector-glow);
  animation-delay: var(--trace-delay, 0s);
  animation-duration: var(--trace-duration, 10s);
  animation-iteration-count: infinite;
  animation-timing-function: linear;
}

.ambient-vectors__trace--primary {
  stroke: rgba(0, 113, 227, 0.95);
  stroke-width: 2.15;
  opacity: 0.9;
  stroke-dasharray: 18 82;
  animation-name: traceRun;
}

.ambient-vectors__trace--secondary {
  stroke: rgba(0, 113, 227, 0.52);
  stroke-width: 1.5;
  opacity: 0.75;
  stroke-dasharray: 11 89;
  animation-name: traceRunReverse;
}

.ambient-vectors__trace--tertiary {
  stroke: rgba(156, 201, 255, 0.72);
  stroke-width: 1.05;
  opacity: 0.72;
  stroke-dasharray: 7 93;
  animation-name: traceRun;
}

.ambient-vectors__node {
  fill: url(#vector-node);
  opacity: 0.14;
  transform-box: fill-box;
  transform-origin: center;
}

.ambient-vectors__node--one {
  animation: vectorPulse 11s ease-in-out infinite;
}

.ambient-vectors__node--two {
  animation: vectorPulse 14s ease-in-out infinite 1.8s;
}

.ambient-vectors__node--three {
  animation: vectorPulse 13s ease-in-out infinite 0.8s;
}

.topbar {
  position: sticky;
  top: 16px;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: rgba(251, 251, 253, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 999px;
  border: 1px solid var(--line);
  box-shadow: 0 2px 12px rgba(0,0,0,0.03);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--ink);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-copy strong {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand-copy span:last-child {
  color: var(--muted);
  font-size: 0.85rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 500;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--ink);
}

.section {
  animation: reveal 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
  margin-top: 64px;
}

.section:nth-of-type(2) { animation-delay: 0.1s; }
.section:nth-of-type(3) { animation-delay: 0.2s; }
.section:nth-of-type(4) { animation-delay: 0.3s; }
.section:nth-of-type(5) { animation-delay: 0.4s; }

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  padding: 80px 0 40px;
  align-items: center;
}

.eyebrow,
.card-kicker,
.panel-kicker,
.panel-tag,
.process-step span {
  font-weight: 600;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--muted);
}

.hero h1,
.section-heading h2,
.proof-card h3 {
  margin: 0;
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.hero h1 {
  font-size: clamp(3rem, 6vw, 4.5rem);
  max-width: 15ch;
  background: linear-gradient(135deg, #1d1d1f 0%, #434345 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.lede {
  max-width: 32rem;
  margin: 24px 0 0;
  font-size: 1.2rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 36px 0 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 999px;
  border: none;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.button:hover,
.button:focus-visible {
  transform: scale(1.02);
}

.button-primary {
  background: var(--accent-deep);
  color: #fff;
  box-shadow: 0 4px 14px rgba(0, 113, 227, 0.3);
}

.button-secondary {
  background: var(--line);
  color: var(--ink);
}

.button-secondary:hover {
  background: rgba(0,0,0,0.12);
}

.hero-points,
.service-card ul,
.deliverable-card ul,
.issue-list,
.contact-note ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.6;
  font-size: 0.95rem;
}

.hero-points li::marker,
.service-card li::marker,
.deliverable-card li::marker,
.issue-list li::marker,
.contact-note li::marker {
  color: var(--ink);
}

.hero-panel,
.card,
.process-step {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  box-shadow: var(--shadow);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-panel:hover,
.card:hover,
.process-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(0,0,0,0.12);
}

.hero-panel {
  padding: 32px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.panel-kicker,
.card-kicker {
  margin: 0;
  color: var(--accent-deep);
}

.panel-tag {
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-deep);
}

.panel-block {
  padding: 28px 0;
}

.panel-label {
  margin: 0 0 16px;
  font-weight: 600;
  font-size: 1.05rem;
}

.panel-metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.panel-metric-grid div {
  padding: 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--line);
}

.panel-metric-grid strong {
  display: block;
  margin-bottom: 4px;
  font-size: 1.25rem;
  font-weight: 700;
}

.panel-metric-grid span {
  color: var(--muted);
  font-size: 0.85rem;
}

.signal-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin: 32px 0 64px;
  padding: 40px 48px;
  border-radius: var(--radius);
  background: #fdfdfd;
  box-shadow: inset 0 0 0 1px var(--line);
  font-size: 1.2rem;
  line-height: 1.5;
  color: var(--muted);
  font-weight: 400;
}

.signal-strip p {
  margin: 0;
}
.signal-strip p:first-child {
  color: var(--ink);
  font-weight: 500;
}

.section-heading {
  max-width: 600px;
  margin-bottom: 40px;
}

/* Center heading for these sections if needed, but keeping left align works with grid too.
   Let's keep them left-aligned for consistency with Apple's sub-pages. */
.section-heading {
  max-width: 720px;
  margin: 0 auto 40px;
  text-align: center;
}

.section-heading.left-aligned {
  text-align: left;
  margin-left: 0;
}

.section-heading h2 {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
}

.section-copy {
  margin: 16px auto 0;
  color: var(--muted);
  line-height: 1.5;
  font-size: 1.1rem;
  max-width: 500px;
}

.service-grid,
.issue-grid,
.process-grid,
.deliverable-layout,
.contact-layout {
  display: grid;
  gap: 24px;
}

.service-grid,
.issue-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  padding: 32px;
}

.service-card h3,
.issue-card h3,
.process-step h3,
.deliverable-card h3,
.contact-note h3 {
  margin: 12px 0 16px;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  font-weight: 600;
}

.service-card p,
.issue-card p,
.process-step p,
.contact-note p,
.proof-card p {
  margin: 0 0 20px;
  color: var(--muted);
  line-height: 1.6;
  font-size: 1rem;
}

.process-section {
  padding-top: 24px;
}

.process-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.process-step {
  padding: 32px;
}

.process-step span {
  display: inline-flex;
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 0.85rem;
  padding: 6px 12px;
  background: var(--bg-strong);
  border-radius: 8px;
}

.deliverable-layout {
  grid-template-columns: 1fr 1fr 1.2fr;
}

.proof-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: linear-gradient(145deg, #1d1d1f, #434345);
  color: #fff;
  border-color: #434345;
}

.proof-card h3 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 600;
  color: #fff;
}

.proof-card p {
  color: rgba(255,255,255,0.8);
}
.proof-card .card-kicker {
  color: rgba(255,255,255,0.6);
}

.contact-section {
  padding-top: 40px;
}

.contact-layout {
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 1fr);
  align-items: start;
}

.contact-widget {
  align-self: center;
  --formlab-submitted-offset: 72px;
}

.contact-widget .formlab-standard-shell {
  overflow: hidden;
}

.contact-widget .formlab-frame {
  transition: opacity 180ms ease, transform 220ms ease;
}

.contact-widget.contact-widget--submitted .formlab-frame-shell {
  background: #f5f5f7;
}

.contact-widget.contact-widget--submitted .formlab-frame {
  transform: translateY(var(--formlab-submitted-offset));
}

.contact-form {
  display: grid;
  gap: 20px;
  padding: 40px !important;
}

.contact-form label {
  display: grid;
  gap: 10px;
  font-weight: 500;
  font-size: 0.95rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255,255,255,0.8);
  color: var(--ink);
  transition: all 0.2s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent-deep);
  box-shadow: 0 0 0 4px var(--accent-soft);
  background: #fff;
}

.contact-note {
  background: var(--bg-strong);
}

.contact-direct {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.contact-direct span {
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: uppercase;
}

.contact-direct a {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--accent-deep);
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 80px;
  padding: 32px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.footer p {
  margin: 0;
  max-width: 32rem;
}

.footer a,
.text-link {
  color: var(--accent-deep);
  font-weight: 600;
}

.content-page {
  padding-top: 24px;
}

.article-hero {
  max-width: 860px;
  padding: 72px 0 16px;
}

.article-hero h1,
.article-main h1 {
  margin: 0;
  max-width: 13ch;
  font-size: clamp(3rem, 6vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.article-main h1 {
  max-width: 16ch;
}

.article-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 32px;
  align-items: start;
}

.article-main {
  max-width: 740px;
}

.article-full {
  max-width: 820px;
  margin-inline: auto;
}

.article-main h2 {
  margin: 48px 0 16px;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
}

.article-main p {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.72;
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 16px 0 28px;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 18px 18px 18px 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
  line-height: 1.55;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 24px;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--accent-deep);
  box-shadow: 0 0 0 6px var(--accent-soft);
}

.article-aside {
  position: sticky;
  top: 112px;
  display: grid;
  gap: 14px;
}

.article-aside a {
  padding: 14px 0;
  border-top: 1px solid var(--line);
  color: var(--ink);
  font-weight: 600;
}

.article-aside a:hover {
  color: var(--accent-deep);
}

@keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes vectorDrift {
  from {
    transform: translate3d(-1.5%, -1.5%, 0);
  }
  to {
    transform: translate3d(1.5%, 1.5%, 0);
  }
}

@keyframes vectorDriftReverse {
  from {
    transform: translate3d(1.5%, -1%, 0);
  }
  to {
    transform: translate3d(-1%, 1.25%, 0);
  }
}

@keyframes traceRun {
  from {
    stroke-dashoffset: 0;
  }
  to {
    stroke-dashoffset: -100;
  }
}

@keyframes traceRunReverse {
  from {
    stroke-dashoffset: 0;
  }
  to {
    stroke-dashoffset: 100;
  }
}

@keyframes vectorPulse {
  0%,
  100% {
    opacity: 0.1;
    transform: scale(0.92);
  }
  50% {
    opacity: 0.22;
    transform: scale(1.08);
  }
}

@media (max-width: 1024px) {
  .hero,
  .service-grid,
  .issue-grid,
  .process-grid,
  .deliverable-layout,
  .contact-layout,
  .article-grid,
  .signal-strip {
    grid-template-columns: 1fr;
  }

  .article-aside {
    position: static;
  }

  .hero h1 {
    max-width: 13ch;
  }

  .panel-metric-grid {
    grid-template-columns: 1fr;
  }

  .footer {
    flex-direction: column;
  }

  .ambient-vectors {
    opacity: 0.8;
  }

  .ambient-vectors__svg {
    min-width: 980px;
  }
}

@media (max-width: 760px) {
  .site-shell {
    padding-inline: 16px;
  }
  .topbar {
    top: 8px;
    padding: 16px;
    border-radius: 20px;
    flex-wrap: wrap;
    gap: 16px;
  }

  .nav {
    gap: 16px;
  }

  .hero {
    padding-top: 32px;
    gap: 32px;
  }

  .hero h1 {
    font-size: clamp(2.5rem, 12vw, 3.5rem);
  }

  .article-hero h1,
  .article-main h1 {
    font-size: clamp(2.35rem, 11vw, 3.4rem);
  }

  .button {
    width: 100%;
  }

  .signal-strip {
    margin-top: 16px;
    padding: 24px;
  }

  .ambient-vectors {
    opacity: 0.62;
  }

  .ambient-vectors__svg {
    min-width: 820px;
    transform: scale(1.08);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .section,
  .button,
  .hero-panel,
  .card,
  .process-step,
  .ambient-vectors__group,
  .ambient-vectors__trace,
  .ambient-vectors__node {
    animation: none;
    transition: none;
  }
}