/* ============================================
   ARIADVISERS — Brand System & Styles
   ============================================ */

:root {
  --forest: #102B25;
  --deep-forest: #0B211C;
  --pine: #183B33;

  --copper: #B8734E;
  --soft-copper: #D39A78;

  --muted-teal: #648F87;
  --sage: #A7BDB2;

  --ivory: #F4F0E7;
  --warm-white: #FAF8F3;

  --charcoal: #202523;
  --muted: #737A76;

  --line: rgba(16, 43, 37, 0.14);
  --line-light: rgba(244, 240, 231, 0.16);

  --font-sans: "Manrope", system-ui, sans-serif;
  --font-serif: "DM Serif Display", Georgia, serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --header-h: 5rem;
  --container: 1120px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--charcoal);
  background: var(--warm-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul,
ol {
  list-style: none;
}

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

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100%;
  z-index: 1000;
  background: var(--ivory);
  color: var(--forest);
  padding: 0.75rem 1rem;
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

.section {
  padding: clamp(4.5rem, 10vw, 8rem) 0;
}

.section--forest {
  background: var(--deep-forest);
  color: var(--ivory);
}

/* Typography helpers */
.eyebrow,
.section-label,
.case-meta,
.insight-meta,
.final-tag,
.logo-desc,
.hero-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-teal);
}

.section-label {
  margin-bottom: 1.25rem;
}

.section-title {
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--forest);
  font-size: clamp(2rem, 4.5vw, 3.25rem);
}

.section-title--serif {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.01em;
}

.section-title--light {
  color: var(--ivory);
}

.section-support {
  margin-top: 1rem;
  max-width: 36rem;
  color: var(--muted);
}

.section-note {
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.section-header {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-header--row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.9rem 1.35rem;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  transition: transform 0.35s var(--ease), background 0.35s var(--ease), border-color 0.35s var(--ease), color 0.35s var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:hover span {
  transform: translateX(3px);
}

.btn span {
  display: inline-block;
  transition: transform 0.35s var(--ease);
}

.btn--copper {
  background: var(--copper);
  color: var(--warm-white);
}

.btn--copper:hover {
  background: var(--soft-copper);
  color: var(--deep-forest);
}

.btn--outline {
  border-color: var(--line);
  color: var(--forest);
}

.btn--outline:hover {
  border-color: var(--copper);
  color: var(--copper);
}

.btn--outline-light {
  border-color: var(--line-light);
  color: var(--ivory);
}

.btn--outline-light:hover {
  border-color: var(--soft-copper);
  color: var(--soft-copper);
}

.btn--ghost {
  color: var(--ivory);
  padding-inline: 0;
}

.btn--ghost:hover {
  color: var(--soft-copper);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--forest);
}

.text-link:hover span {
  transform: translateX(4px);
}

.text-link span {
  transition: transform 0.35s var(--ease);
}

/* ============================================
   HEADER
   ============================================ */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), backdrop-filter 0.4s var(--ease), height 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  --header-h: 4.25rem;
  background: rgba(250, 248, 243, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}

.site-header.is-scrolled .logo,
.site-header.is-scrolled .nav-desktop a,
.site-header.is-scrolled .header-cta,
.site-header.is-scrolled .menu-toggle {
  color: var(--forest);
}

.site-header.is-scrolled .logo-desc {
  color: var(--muted);
}

.header-inner {
  width: min(100% - 2.5rem, 1240px);
  margin-inline: auto;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ivory);
  flex-shrink: 0;
}

.logo-mark {
  width: 2.5rem;
  height: 2.5rem;
  transition: width 0.35s var(--ease), height 0.35s var(--ease);
}

.site-header.is-scrolled .logo-mark {
  width: 2.1rem;
  height: 2.1rem;
}

.logo-text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.logo-name {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.logo-desc {
  color: var(--sage);
  font-size: 0.5625rem;
}

.nav-desktop {
  margin-left: auto;
}

.nav-desktop ul {
  display: flex;
  gap: 1.75rem;
}

.nav-desktop a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ivory);
  opacity: 0.88;
  transition: opacity 0.3s, color 0.3s;
}

.nav-desktop a:hover {
  opacity: 1;
  color: var(--soft-copper);
}

.header-cta {
  margin-left: 1.5rem;
  font-size: 0.8125rem;
  white-space: nowrap;
}

.menu-toggle {
  display: none;
  margin-left: auto;
  width: 2.5rem;
  height: 2.5rem;
  position: relative;
  color: var(--ivory);
}

.menu-toggle__bar {
  position: absolute;
  left: 0.4rem;
  right: 0.4rem;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.35s var(--ease), top 0.35s var(--ease), opacity 0.25s;
}

.menu-toggle__bar:first-child {
  top: 0.95rem;
}

.menu-toggle__bar:last-child {
  top: 1.4rem;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bar:first-child {
  top: 1.2rem;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bar:last-child {
  top: 1.2rem;
  transform: rotate(-45deg);
}

/* Mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--deep-forest);
  display: grid;
  place-items: center;
  padding: 6rem 2rem 3rem;
}

.mobile-menu[hidden] {
  display: none;
}

.mobile-menu ul {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  text-align: center;
}

.mobile-menu a {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 6vw, 2.5rem);
  color: var(--ivory);
}

.mobile-menu a:hover {
  color: var(--soft-copper);
}

.mobile-cta {
  font-family: var(--font-sans) !important;
  font-size: 1rem !important;
  font-weight: 600;
  margin-top: 1rem;
  color: var(--copper) !important;
}

body.menu-open {
  overflow: hidden;
}

/* ============================================
   HERO
   ============================================ */

.hero {
  min-height: 100vh;
  min-height: 100dvh;
  background: linear-gradient(135deg, #102B25, #183B33);
  color: var(--ivory);
  display: grid;
  align-items: center;
  padding: calc(var(--header-h) + 2rem) 0 4rem;
}

.hero-grid {
  width: min(100% - 2.5rem, 1240px);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero-copy .eyebrow {
  color: var(--sage);
  margin-bottom: 1.5rem;
}

.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(52px, 7.5vw, 112px);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.02em;
}

.hero-headline .accent {
  color: var(--copper);
}

.hero-support {
  margin-top: 1.75rem;
  max-width: 30rem;
  font-size: 1.0625rem;
  color: var(--sage);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.5rem;
}

.hero-visual {
  position: relative;
  min-height: 320px;
}

.hero-labels {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-label {
  position: absolute;
  color: var(--sage);
  opacity: 0.7;
}

.hero-label--tl { top: 4%; left: 0; }
.hero-label--complexity { top: 18%; left: 8%; }
.hero-label--down1 { top: 28%; left: 14%; }
.hero-label--clarity { top: 42%; left: 42%; color: var(--soft-copper); opacity: 0.9; }
.hero-label--down2 { top: 54%; left: 48%; }
.hero-label--action { bottom: 18%; left: 52%; }
.hero-label--br { bottom: 4%; right: 0; }

.path-visual {
  width: 100%;
  height: auto;
}

/* Path draw animation */
.path-draw path,
.path-draw .path-main,
.path-draw .path-frag,
.path-draw .fw-path,
.path-draw .progress-line path {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  transition: stroke-dashoffset 2.4s var(--ease);
}

.path-draw.is-drawn path,
.path-draw.is-drawn .path-main,
.path-draw.is-drawn .path-frag,
.path-draw.is-drawn .fw-path {
  stroke-dashoffset: 0;
}

.path-node {
  opacity: 0;
  transition: opacity 0.8s ease 1.2s, transform 0.8s ease 1.2s;
  transform: scale(0.6);
  transform-origin: center;
}

.path-draw.is-drawn .path-node {
  opacity: 1;
  transform: scale(1);
}

@keyframes pathPulse {
  0%, 100% { opacity: 0.85; }
  50% { opacity: 1; }
}

.hero .path-main {
  animation: pathPulse 6s ease-in-out infinite;
  animation-delay: 2.5s;
}

/* ============================================
   INTRO
   ============================================ */

.intro {
  background: var(--ivory);
  text-align: center;
}

.intro .section-title {
  max-width: 18ch;
  margin-inline: auto;
}

.intro-copy {
  margin: 1.75rem auto 0;
  max-width: 40rem;
  color: var(--muted);
}

.intro-statement {
  margin-top: 3.5rem;
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 5vw, 4rem);
  line-height: 1.1;
  color: var(--forest);
}

.aria-divider {
  width: 12rem;
  margin: 3rem auto 0;
}

/* ============================================
   SERVICES
   ============================================ */

.services {
  background: var(--warm-white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}

.service {
  position: relative;
  padding: 2.25rem 1.75rem 2.5rem;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  transition: background 0.4s var(--ease);
}

.service:nth-child(3n) {
  border-right: none;
}

.service::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 2px;
  background: var(--copper);
  transition: width 0.45s var(--ease);
}

.service:hover {
  background: rgba(16, 43, 37, 0.03);
}

.service:hover::before {
  width: 100%;
}

.service:hover .service-num {
  transform: translateX(6px);
  color: var(--copper);
}

.service:hover .service-arrow {
  opacity: 1;
  transform: translateX(0);
}

.service-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 1.25rem;
  transition: transform 0.4s var(--ease), color 0.4s var(--ease);
}

.service-icon {
  width: 2.75rem;
  height: 2.75rem;
  color: var(--forest);
  margin-bottom: 1.25rem;
}

.service h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--forest);
  margin-bottom: 0.65rem;
}

.service p {
  color: var(--muted);
  font-size: 0.975rem;
  max-width: 28ch;
}

.service-arrow {
  display: inline-block;
  margin-top: 1.5rem;
  color: var(--copper);
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
}

/* ============================================
   PATH TO PROGRESS
   ============================================ */

.progress {
  background: var(--ivory);
}

.progress-track {
  position: relative;
  padding-top: 1rem;
}

.progress-line {
  width: 100%;
  height: 40px;
  margin-bottom: 0.5rem;
}

.progress-stages {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.stage-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--copper);
  margin-bottom: 0.75rem;
}

.stage h3 {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--forest);
  margin-bottom: 0.5rem;
}

.stage p {
  color: var(--muted);
  font-size: 0.95rem;
}

/* ============================================
   DIAGNOSTIC
   ============================================ */

.diagnostic {
  background: var(--warm-white);
}

.diagnostic-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3rem;
  align-items: start;
  border-top: 1px solid var(--line);
  padding-top: 2.5rem;
}

.diagnostic-tabs {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.diag-tab {
  text-align: left;
  padding: 1rem 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  transition: color 0.3s, padding-left 0.35s var(--ease);
}

.diag-tab:hover,
.diag-tab.is-active {
  color: var(--forest);
}

.diag-tab.is-active {
  padding-left: 0.75rem;
  color: var(--copper);
  border-bottom-color: var(--copper);
}

.diag-panel {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}

.diag-panel.is-active {
  opacity: 1;
  transform: none;
}

.diag-panel[hidden] {
  display: none;
}

.diag-question {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.15rem);
  line-height: 1.25;
  color: var(--forest);
  margin-bottom: 2rem;
  max-width: 22ch;
}

.diag-facets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 2.25rem;
}

.diag-facets li {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--line);
  color: var(--pine);
}

/* ============================================
   INDUSTRIES
   ============================================ */

.industries {
  background: var(--ivory);
}

.industry-list {
  border-top: 1px solid var(--line);
}

.industry-list li {
  display: grid;
  grid-template-columns: minmax(10rem, 0.4fr) 1fr;
  gap: 1.5rem;
  align-items: baseline;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left 0.35s var(--ease);
}

.industry-list li:hover {
  padding-left: 0.75rem;
}

.industry-list h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--forest);
}

.industry-list p {
  color: var(--muted);
}

/* ============================================
   APPROACH
   ============================================ */

.principles {
  display: grid;
  gap: 0;
}

.principles li {
  padding: 2.5rem 0;
  border-top: 1px solid var(--line-light);
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 1.5rem 2rem;
  align-items: start;
}

.principles li:last-child {
  border-bottom: 1px solid var(--line-light);
}

.principle-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--copper);
  padding-top: 0.6rem;
}

.principles h3 {
  grid-column: 2;
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.15;
  color: var(--ivory);
  margin-bottom: 0.75rem;
}

.principles p {
  grid-column: 2;
  color: var(--sage);
  max-width: 36rem;
  font-size: 1.05rem;
}

/* ============================================
   FRAMEWORK
   ============================================ */

.framework {
  background: var(--warm-white);
}

.framework-visual {
  display: grid;
  place-items: center;
}

.framework-svg {
  width: min(100%, 480px);
  height: auto;
}

.fw-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  fill: var(--muted);
}

.fw-center-name {
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.16em;
  fill: var(--ivory);
}

.fw-center-sub {
  font-size: 14px;
  fill: var(--copper);
}

.fw-stage {
  cursor: pointer;
  transition: opacity 0.35s;
}

.fw-stage circle {
  transition: fill 0.35s, r 0.35s;
}

.framework-visual.is-hovering .fw-stage {
  opacity: 0.35;
}

.framework-visual.is-hovering .fw-stage.is-active {
  opacity: 1;
}

.framework-visual.is-hovering .fw-stage.is-active circle {
  fill: var(--copper);
}

/* ============================================
   CASES
   ============================================ */

.cases {
  background: var(--ivory);
}

.cases-list {
  display: grid;
  gap: 4rem;
}

.case {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
}

.case--reverse .case-media {
  order: 2;
}

.case--reverse .case-body {
  order: 1;
}

.case-media {
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--pine);
}

.case-visual {
  width: 100%;
  height: 100%;
  transition: transform 0.7s var(--ease);
  background:
    linear-gradient(135deg, rgba(16, 43, 37, 0.35), rgba(11, 33, 28, 0.15)),
    repeating-linear-gradient(
      -18deg,
      transparent,
      transparent 28px,
      rgba(167, 189, 178, 0.08) 28px,
      rgba(167, 189, 178, 0.08) 29px
    ),
    linear-gradient(160deg, var(--pine), var(--deep-forest));
  position: relative;
}

.case-visual::after {
  content: "";
  position: absolute;
  inset: 18% 12% auto;
  height: 1px;
  background: var(--copper);
  width: 40%;
  opacity: 0.7;
}

.case-visual--2 {
  background:
    linear-gradient(200deg, rgba(184, 115, 78, 0.18), transparent 50%),
    linear-gradient(135deg, var(--forest), var(--pine));
}

.case-visual--3 {
  background:
    radial-gradient(circle at 70% 30%, rgba(211, 154, 120, 0.25), transparent 40%),
    linear-gradient(160deg, var(--deep-forest), var(--pine));
}

.case:hover .case-visual {
  transform: scale(1.04);
}

.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
  color: var(--muted-teal);
}

.case-cat {
  color: var(--copper);
}

.case h3 {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  font-weight: 400;
  line-height: 1.2;
  color: var(--forest);
  margin-bottom: 1rem;
}

.case-body p {
  color: var(--muted);
  max-width: 36rem;
}

/* ============================================
   INSIGHTS
   ============================================ */

.insights {
  background: var(--warm-white);
}

.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}

.insight {
  padding: 2.25rem 1.75rem 2.5rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background 0.35s;
}

.insight:last-child {
  border-right: none;
}

.insight:hover {
  background: rgba(16, 43, 37, 0.025);
}

.insight-num {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(3rem, 5vw, 4.5rem);
  line-height: 1;
  color: var(--forest);
  opacity: 0.12;
  margin-bottom: 1.25rem;
}

.insight-meta {
  margin-bottom: 0.85rem;
  color: var(--muted);
}

.insight h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--forest);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.insight p {
  color: var(--muted);
  font-size: 0.975rem;
}

/* ============================================
   WHY
   ============================================ */

.why {
  background: var(--warm-white);
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.why-headline {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.05;
  position: sticky;
  top: 6rem;
}

.qualities {
  border-top: 1px solid var(--line);
}

.qualities li {
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line);
}

.qualities h3 {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--forest);
  margin-bottom: 0.5rem;
}

.qualities p {
  color: var(--muted);
}

/* ============================================
   ABOUT
   ============================================ */

.about {
  background: var(--ivory);
}

.about-inner {
  max-width: 42rem;
}

.about-copy {
  margin: 1.5rem 0 2rem;
  color: var(--muted);
  font-size: 1.1rem;
}

/* ============================================
   FINAL CTA
   ============================================ */

.final-cta {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding-block: clamp(6rem, 12vw, 9rem);
}

.final-cta-bg {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  opacity: 0.85;
  pointer-events: none;
}

.final-cta-bg .path-visual {
  width: min(90%, 700px);
}

.final-cta-content {
  position: relative;
  z-index: 1;
}

.final-headline {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 6vw, 4.5rem);
  font-weight: 400;
  line-height: 1.1;
  color: var(--ivory);
  letter-spacing: -0.01em;
}

.final-support {
  margin: 1.25rem auto 0;
  max-width: 32rem;
  color: var(--sage);
}

.final-cta .hero-actions {
  justify-content: center;
}

.final-tag {
  margin-top: 3rem;
  color: var(--muted-teal);
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
  background: var(--deep-forest);
  color: var(--ivory);
  padding: 4.5rem 0 2rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.1fr 1.9fr;
  gap: 3rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid var(--line-light);
}

.footer-logo {
  margin-bottom: 1.5rem;
}

.footer-tagline {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.footer-secondary {
  color: var(--sage);
  font-size: 0.95rem;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.footer-nav h3 {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 1.15rem;
}

.footer-nav ul {
  display: grid;
  gap: 0.65rem;
}

.footer-nav a {
  color: var(--sage);
  font-size: 0.925rem;
  transition: color 0.3s;
}

.footer-nav a:hover {
  color: var(--ivory);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.75rem;
  font-size: 0.8125rem;
  color: var(--muted-teal);
}

.footer-bottom a:hover {
  color: var(--ivory);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
    max-width: 520px;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .service:nth-child(3n) {
    border-right: 1px solid var(--line);
  }

  .service:nth-child(2n) {
    border-right: none;
  }

  .progress-stages {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem 1.5rem;
  }

  .progress-line {
    display: none;
  }

  .insights-grid {
    grid-template-columns: 1fr;
  }

  .insight {
    border-right: none;
  }

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

  .footer-nav {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

@media (max-width: 860px) {
  .nav-desktop,
  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .diagnostic-layout,
  .why-grid,
  .case,
  .case--reverse {
    grid-template-columns: 1fr;
  }

  .case--reverse .case-media,
  .case--reverse .case-body {
    order: initial;
  }

  .why-headline {
    position: static;
  }

  .industry-list li {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }

  .principles li {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .principles h3,
  .principles p {
    grid-column: 1;
  }
}

@media (max-width: 640px) {
  .services-grid,
  .progress-stages {
    grid-template-columns: 1fr;
  }

  .service,
  .service:nth-child(3n),
  .service:nth-child(2n) {
    border-right: none;
  }

  .hero-labels .hero-label--complexity,
  .hero-labels .hero-label--down1,
  .hero-labels .hero-label--down2 {
    display: none;
  }

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

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .final-cta .hero-actions {
    align-items: center;
  }
}

/* ============================================
   REDUCED MOTION
   ============================================ */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .path-draw path,
  .path-draw .path-main,
  .path-draw .path-frag,
  .path-draw .fw-path {
    stroke-dashoffset: 0 !important;
  }

  .path-node {
    opacity: 1 !important;
    transform: none !important;
  }
}