:root {
  color-scheme: light;

  --color-canvas: #f7f4ee;
  --color-canvas-warm: #fbf8f1;
  --color-surface: #fffdf8;
  --color-surface-stone: #ebe5dc;
  --color-surface-muted: #f0ece4;
  --color-text: #242421;
  --color-text-soft: #55514a;
  --color-text-muted: #777066;
  --color-border: #d8d0c4;
  --color-border-strong: #bdb3a5;
  --color-accent: #244f3c;
  --color-accent-hover: #183b2c;
  --color-accent-soft: #dce7df;
  --color-accent-ink: #f7fbf5;

  --font-sans:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --text-xs: 0.78rem;
  --text-sm: 0.9rem;
  --text-base: 1rem;
  --text-md: 1.125rem;
  --text-lg: 1.35rem;
  --text-xl: 1.75rem;
  --text-2xl: 2.35rem;
  --text-3xl: 3.8rem;

  --leading-tight: 1.08;
  --leading-heading: 1.16;
  --leading-body: 1.68;

  --space-2xs: 0.35rem;
  --space-xs: 0.6rem;
  --space-sm: 0.9rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4.75rem;
  --space-3xl: 7rem;

  --container: 1160px;
  --container-narrow: 780px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --border: 1px solid var(--color-border);
  --shadow-soft: 0 14px 38px rgba(36, 36, 33, 0.06);
  --shadow-hover: 0 18px 46px rgba(36, 36, 33, 0.08);
  --motion-fast: 160ms ease;
  --motion-medium: 260ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, rgba(255, 253, 248, 0.82), rgba(247, 244, 238, 0) 420px),
    var(--color-canvas);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  text-rendering: optimizeLegibility;
}

body.has-open-drawer {
  overflow: hidden;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled,
.button[aria-disabled="true"],
.button:disabled {
  cursor: not-allowed;
}

p,
h1,
h2,
h3,
ul,
ol {
  margin: 0;
}

ul,
ol {
  padding: 0;
}

h1,
h2,
h3 {
  color: var(--color-text);
  font-weight: 650;
  letter-spacing: 0;
}

h1 {
  max-width: 12ch;
  font-size: var(--text-3xl);
  line-height: var(--leading-tight);
}

h2 {
  max-width: 14ch;
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
}

h3 {
  font-size: var(--text-lg);
  line-height: 1.28;
}

p {
  color: var(--color-text-soft);
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.container {
  width: min(100% - clamp(2rem, 6vw, 5rem), var(--container));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid transparent;
  background: rgba(247, 244, 238, 0);
  transition:
    background-color var(--motion-medium),
    border-color var(--motion-medium),
    backdrop-filter var(--motion-medium);
}

.site-header.is-scrolled,
.site-header.is-drawer-open,
.site-header:focus-within {
  border-color: var(--color-border);
  background: rgba(247, 244, 238, 0.9);
  backdrop-filter: blur(16px);
}

.nav-shell {
  display: flex;
  min-height: 84px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: 700;
}

.brand-symbol {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-accent);
  font-size: var(--text-sm);
}

.primary-nav,
.nav-actions {
  display: flex;
  align-items: center;
}

.primary-nav {
  gap: clamp(1rem, 3vw, 2rem);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 560;
}

.primary-nav a,
.mobile-nav a,
.footer-nav a {
  transition: color var(--motion-fast);
}

.primary-nav a:hover,
.mobile-nav a:hover,
.footer-nav a:hover {
  color: var(--color-text);
}

.nav-actions {
  gap: var(--space-sm);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  border: var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255, 253, 248, 0.72);
  color: var(--color-text);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  background: currentColor;
  transition:
    transform var(--motion-medium),
    opacity var(--motion-medium);
}

.nav-toggle span + span {
  margin-top: 5px;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3px) rotate(-45deg);
}

.mobile-drawer {
  display: none;
}

.button,
.text-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 650;
  line-height: 1;
  transition:
    transform var(--motion-fast),
    background-color var(--motion-fast),
    border-color var(--motion-fast),
    color var(--motion-fast),
    box-shadow var(--motion-fast);
}

.button {
  min-height: 44px;
  border: 1px solid transparent;
  padding: 0.72rem 1rem;
}

.button:hover {
  transform: translateY(-1px);
}

.button:active {
  transform: translateY(0) scale(0.99);
}

.button:disabled,
.button[aria-disabled="true"] {
  opacity: 0.48;
  transform: none;
}

.button-primary {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.button-primary:hover {
  background: var(--color-accent-hover);
}

.button-secondary {
  border-color: var(--color-border);
  background: rgba(255, 253, 248, 0.78);
  color: var(--color-text);
}

.button-secondary:hover {
  border-color: var(--color-border-strong);
  background: var(--color-surface);
}

.button-ghost {
  border-color: transparent;
  background: transparent;
  color: var(--color-text);
}

.button-ghost:hover {
  border-color: var(--color-border);
  background: rgba(255, 253, 248, 0.68);
}

.text-link {
  width: fit-content;
  color: var(--color-accent);
  text-decoration-line: underline;
  text-decoration-color: rgba(36, 79, 60, 0.3);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.32em;
}

.text-link:hover {
  color: var(--color-accent-hover);
  text-decoration-color: currentColor;
}

.is-loading {
  color: transparent;
  pointer-events: none;
}

.is-loading::after {
  position: absolute;
  width: 1rem;
  height: 1rem;
  border: 1px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  color: var(--color-accent-ink);
  content: "";
  animation: button-spin 720ms linear infinite;
}

.button-secondary.is-loading::after {
  color: var(--color-accent);
}

.section {
  padding-block: clamp(var(--space-2xl), 10vw, var(--space-3xl));
}

.hero-section {
  padding-block-start: clamp(var(--space-xl), 8vw, var(--space-2xl));
}

.section-muted {
  border-block: var(--border);
  background: var(--color-surface-muted);
}

.section-accent {
  border-top: var(--border);
  background: var(--color-surface);
}

.section-layout {
  display: grid;
  gap: var(--space-xl);
}

.section-header,
.headline-block,
.hero-copy {
  display: grid;
  gap: var(--space-md);
}

.section-header {
  max-width: var(--container-narrow);
}

.section-header-split {
  max-width: none;
  grid-template-columns: minmax(0, var(--container-narrow)) auto;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-xl);
}

.headline-block {
  max-width: var(--container-narrow);
}

.headline-block-large {
  max-width: 880px;
}

.headline-block.compact {
  max-width: 720px;
}

.headline-block p:not(.eyebrow),
.section-header p:not(.eyebrow) {
  max-width: 62ch;
  font-size: var(--text-md);
}

.lede {
  max-width: 58ch;
  font-size: var(--text-md);
}

.eyebrow,
.badge {
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: 760;
  letter-spacing: 0;
  text-transform: uppercase;
}

.badge {
  width: fit-content;
  border: var(--border);
  border-radius: var(--radius-sm);
  padding: 0.24rem 0.48rem;
  background: var(--color-accent-soft);
  text-transform: none;
}

.button-row,
.button-matrix {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.button-row {
  padding-top: var(--space-xs);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.72fr);
  gap: clamp(var(--space-xl), 7vw, var(--space-3xl));
  align-items: center;
}

.advisor-panel,
.component-surface,
.card,
.comparison,
.faq-list {
  border: var(--border);
  border-radius: var(--radius-md);
  background: rgba(255, 253, 248, 0.74);
}

.advisor-panel,
.component-surface {
  padding: clamp(1rem, 3vw, 1.6rem);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  border-bottom: var(--border);
  padding-bottom: var(--space-sm);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 650;
}

.principle-list {
  display: grid;
  gap: var(--space-sm);
  padding-top: var(--space-lg);
}

.principle-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-sm);
  align-items: start;
  border: var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  background: var(--color-canvas-warm);
}

.principle-item span,
.card-index {
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: 760;
}

.card-grid {
  display: grid;
  gap: var(--space-md);
}

.component-card-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.component-card-grid > .card {
  grid-column: span 2;
}

.component-card-grid > .product-card,
.component-card-grid > .insight-card {
  grid-column: span 3;
}

.card {
  display: grid;
  align-content: start;
  gap: var(--space-md);
  padding: clamp(1.25rem, 3vw, 1.6rem);
  transition:
    transform var(--motion-fast),
    border-color var(--motion-fast),
    box-shadow var(--motion-fast),
    background-color var(--motion-fast);
}

.card:hover {
  border-color: var(--color-border-strong);
  background: var(--color-surface);
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.card p:not(.badge) {
  max-width: 56ch;
}

.service-card {
  min-height: 280px;
}

.method-card {
  position: relative;
}

.method-card .card-index {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
}

.product-card {
  grid-template-rows: auto auto auto 1fr;
}

.product-visual {
  display: grid;
  gap: var(--space-xs);
  min-height: 150px;
  border: var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  background: var(--color-surface-muted);
}

.product-visual span {
  display: block;
  border: var(--border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}

.product-visual span:first-child {
  width: 62%;
}

.product-visual span:nth-child(2) {
  width: 86%;
}

.product-visual span:last-child {
  width: 48%;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: var(--border);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.feature-icon {
  width: 42px;
  height: 42px;
  border: var(--border);
  border-radius: var(--radius-sm);
  background:
    linear-gradient(90deg, transparent 48%, var(--color-border) 48%, var(--color-border) 52%, transparent 52%),
    linear-gradient(0deg, transparent 48%, var(--color-border) 48%, var(--color-border) 52%, transparent 52%),
    var(--color-surface-muted);
}

.timeline {
  --timeline-progress: 0;
  position: relative;
  display: grid;
  gap: var(--space-lg);
  list-style: none;
}

.timeline::before,
.timeline::after {
  position: absolute;
  top: 1.2rem;
  bottom: 1.2rem;
  left: 0.54rem;
  width: 1px;
  content: "";
}

.timeline::before {
  background: var(--color-border);
}

.timeline::after {
  height: calc(100% * var(--timeline-progress));
  background: var(--color-accent);
  transition: height 900ms ease;
}

.timeline.is-visible {
  --timeline-progress: 1;
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-md);
  opacity: 0;
  transform: translateY(12px);
  transition:
    opacity var(--motion-medium),
    transform var(--motion-medium);
}

.timeline.is-visible .timeline-item {
  opacity: 1;
  transform: translateY(0);
}

.timeline.is-visible .timeline-item:nth-child(2) {
  transition-delay: 100ms;
}

.timeline.is-visible .timeline-item:nth-child(3) {
  transition-delay: 200ms;
}

.timeline.is-visible .timeline-item:nth-child(4) {
  transition-delay: 300ms;
}

.timeline-marker {
  position: relative;
  z-index: 1;
  width: 1.1rem;
  height: 1.1rem;
  border: 1px solid var(--color-accent);
  border-radius: 50%;
  background: var(--color-canvas);
  box-shadow: 0 0 0 5px var(--color-surface-muted);
}

.timeline-item > div {
  display: grid;
  gap: var(--space-xs);
  border: var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  background: rgba(255, 253, 248, 0.74);
}

.comparison {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  overflow: hidden;
}

.comparison-panel {
  display: grid;
  gap: var(--space-md);
  padding: clamp(1.35rem, 4vw, var(--space-xl));
}

.comparison-panel + .comparison-panel {
  border-left: var(--border);
}

.comparison-panel-accent {
  background: linear-gradient(180deg, rgba(220, 231, 223, 0.68), rgba(255, 253, 248, 0.58));
}

.check-list {
  display: grid;
  gap: var(--space-sm);
  color: var(--color-text-soft);
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 1.35rem;
}

.check-list li::before {
  position: absolute;
  left: 0;
  color: var(--color-accent);
  content: "•";
}

.faq-list {
  overflow: hidden;
}

.faq-item + .faq-item {
  border-top: var(--border);
}

.faq-item h3 {
  font-size: var(--text-base);
}

.faq-item button {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  border: 0;
  background: transparent;
  color: var(--color-text);
  padding: var(--space-md);
  text-align: left;
  font-weight: 650;
}

.faq-icon {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
}

.faq-icon::before,
.faq-icon::after {
  position: absolute;
  inset: 50% auto auto 0;
  width: 18px;
  height: 1px;
  background: var(--color-accent);
  content: "";
  transition: transform var(--motion-fast);
}

.faq-icon::after {
  transform: rotate(90deg);
}

.faq-item button[aria-expanded="true"] .faq-icon::after {
  transform: rotate(0deg);
}

.faq-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--motion-medium);
}

.faq-panel.is-open {
  grid-template-rows: 1fr;
}

.faq-panel > p {
  overflow: hidden;
  padding-inline: var(--space-md);
}

.faq-panel.is-open > p {
  padding-bottom: var(--space-md);
}

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
}

.site-footer {
  border-top: var(--border);
  padding-block: var(--space-2xl) var(--space-lg);
  background: var(--color-text);
}

.site-footer .brand-mark,
.site-footer p,
.footer-nav h2,
.footer-nav a,
.footer-bottom a {
  color: var(--color-canvas-warm);
}

.site-footer .brand-symbol {
  border-color: rgba(247, 244, 238, 0.28);
  background: rgba(247, 244, 238, 0.08);
  color: var(--color-canvas-warm);
}

.footer-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.8fr);
  gap: var(--space-2xl);
}

.footer-brand {
  display: grid;
  max-width: 460px;
  gap: var(--space-md);
}

.footer-brand p,
.footer-bottom p {
  color: rgba(247, 244, 238, 0.72);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-xl);
}

.footer-nav div {
  display: grid;
  gap: var(--space-xs);
}

.footer-nav h2 {
  font-size: var(--text-xs);
  text-transform: uppercase;
}

.footer-nav a {
  color: rgba(247, 244, 238, 0.72);
  font-size: var(--text-sm);
}

.footer-nav a:hover,
.footer-bottom a:hover {
  color: var(--color-canvas-warm);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-top: var(--space-2xl);
  border-top: 1px solid rgba(247, 244, 238, 0.18);
  padding-top: var(--space-md);
}

@keyframes button-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 1024px) {
  .component-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .component-card-grid > .card,
  .component-card-grid > .product-card,
  .component-card-grid > .insight-card {
    grid-column: auto;
  }
}

@media (max-width: 860px) {
  h1 {
    font-size: 3rem;
  }

  .nav-shell {
    min-height: 72px;
  }

  .primary-nav,
  .nav-action {
    display: none;
  }

  .nav-toggle {
    display: grid;
  }

  .mobile-drawer {
    display: grid;
    max-height: 0;
    overflow: hidden;
    border-top: 1px solid transparent;
    background: rgba(247, 244, 238, 0.96);
    transition:
      max-height var(--motion-medium),
      border-color var(--motion-medium);
  }

  .mobile-drawer.is-open {
    max-height: calc(100dvh - 72px);
    border-color: var(--color-border);
  }

  .mobile-drawer-inner {
    display: grid;
    gap: var(--space-lg);
    padding-block: var(--space-lg);
  }

  .mobile-nav {
    display: grid;
    gap: var(--space-xs);
  }

  .mobile-nav a {
    border-bottom: var(--border);
    padding-block: var(--space-sm);
    color: var(--color-text);
    font-size: var(--text-md);
    font-weight: 650;
  }

  .hero-grid,
  .section-header-split,
  .comparison,
  .footer-layout {
    grid-template-columns: 1fr;
  }

  .section-header-split {
    align-items: start;
  }

  .component-card-grid {
    grid-template-columns: 1fr;
  }

  .comparison-panel + .comparison-panel {
    border-top: var(--border);
    border-left: 0;
  }

  .cta-band,
  .footer-bottom {
    align-items: stretch;
    flex-direction: column;
  }

  .timeline {
    display: flex;
    gap: var(--space-md);
    margin-inline: calc((100vw - 100%) / -2);
    overflow-x: auto;
    padding-inline: max(0.625rem, calc((100vw - var(--container)) / 2));
    scroll-snap-type: x mandatory;
  }

  .timeline::before,
  .timeline::after {
    top: 0.55rem;
    right: 0;
    bottom: auto;
    left: 0;
    width: 100%;
    height: 1px;
  }

  .timeline::after {
    width: calc(100% * var(--timeline-progress));
  }

  .timeline-item {
    min-width: min(82vw, 320px);
    grid-template-columns: 1fr;
    scroll-snap-align: start;
  }

  .timeline-marker {
    margin-left: var(--space-md);
  }
}

@media (max-width: 560px) {
  .container {
    width: min(100% - 1.25rem, var(--container));
  }

  h1 {
    font-size: 2.35rem;
  }

  h2 {
    font-size: 2rem;
  }

  .button-row .button,
  .button-matrix .button,
  .cta-band .button,
  .mobile-drawer .button {
    width: 100%;
  }

  .footer-nav {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 1440px) {
  :root {
    --container: 1240px;
  }
}

@media (min-width: 1920px) {
  :root {
    --container: 1320px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }

  .timeline-item {
    opacity: 1;
    transform: none;
  }
}