/* =============================================================
   Gabriel AI — Shared stylesheet
   ============================================================= */

:root {
  --ink:        #0e0e0d;
  --ink-soft:   #1c1c19;
  --graphite:   #3a3a36;
  --mute:       #847e73;
  --paper:      #f9f6ef;
  --paper-soft: #f3efe5;
  --paper-alt:  #ebe6db;
  --rule:       rgba(14, 14, 13, 0.14);
  --rule-soft:  rgba(14, 14, 13, 0.08);
  --accent:     #8a2a1f;

  --mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', 'Menlo', monospace;
  --sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --container: 1260px;
  --gutter: clamp(1.25rem, 4vw, 2.75rem);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  font-weight: 400;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  opacity: 0.38;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.3' numOctaves='2' seed='5' /%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.4 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

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

a { color: inherit; }

/* =========== NAVIGATION =========== */

nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.4rem 0;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .35s ease, padding .35s ease;
}
nav.scrolled {
  border-color: var(--rule-soft);
  padding: 1rem 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--ink);
}
.logo-mark {
  font-family: var(--mono);
  font-weight: 400;
  font-size: 1.55rem;
  line-height: 1;
  letter-spacing: -0.025em;
  color: var(--ink);
}
.logo-divider {
  width: 1px;
  height: 1.3rem;
  background: var(--rule);
}
.logo-ai {
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  font-weight: 400;
  color: var(--graphite);
  padding-top: 0.1rem;
}

.nav-links {
  display: flex;
  gap: 2.4rem;
  align-items: center;
}
.nav-links a.nav-link-item {
  font-family: var(--sans);
  font-size: 0.88rem;
  color: var(--graphite);
  text-decoration: none;
  letter-spacing: 0;
  transition: color .2s ease;
  font-weight: 400;
  position: relative;
}
.nav-links a.nav-link-item:hover { color: var(--ink); }
.nav-links a.nav-link-item.active { color: var(--ink); }
.nav-links a.nav-link-item.active::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--ink);
}

.nav-cta {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.02em;
  padding: 0.72rem 1.15rem;
  border: 1px solid var(--ink);
  color: var(--ink);
  text-decoration: none;
  transition: all .25s ease;
  white-space: nowrap;
  font-weight: 400;
}
.nav-cta:hover {
  background: var(--ink);
  color: var(--paper);
}

@media (max-width: 860px) {
  .nav-links .nav-link-item { display: none; }
}

/* =========== HERO (homepage) =========== */

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 10rem 0 6rem;
  position: relative;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--graphite);
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  font-weight: 400;
}
.eyebrow::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--ink);
}

.hero-eyebrow { margin-bottom: 2.5rem; }

.hero h1 {
  font-family: var(--mono);
  font-weight: 400;
  font-size: clamp(1.75rem, 4.4vw, 3.75rem);
  line-height: 1.18;
  letter-spacing: -0.028em;
  color: var(--ink);
  max-width: 24ch;
}
.hero h1 em {
  font-style: italic;
  color: var(--graphite);
}

.hero-lead {
  font-family: var(--sans);
  font-size: clamp(1.05rem, 1.35vw, 1.22rem);
  line-height: 1.55;
  color: var(--graphite);
  max-width: 54ch;
  margin-top: 2.75rem;
  font-weight: 400;
}

.hero-ctas {
  display: flex;
  gap: 0.9rem;
  margin-top: 3.5rem;
  flex-wrap: wrap;
}

/* =========== PAGE HERO (internal pages) =========== */

.page-hero {
  padding: 10rem 0 5rem;
  position: relative;
  border-bottom: 1px solid var(--rule-soft);
}
.page-hero .eyebrow { margin-bottom: 2.25rem; }
.page-hero h1 {
  font-family: var(--mono);
  font-weight: 400;
  font-size: clamp(1.8rem, 4.2vw, 3.5rem);
  line-height: 1.2;
  letter-spacing: -0.028em;
  color: var(--ink);
  max-width: 26ch;
}
.page-hero h1 em {
  font-style: italic;
  color: var(--graphite);
}
.page-hero-lead {
  font-family: var(--sans);
  font-size: clamp(1.05rem, 1.3vw, 1.18rem);
  line-height: 1.6;
  color: var(--graphite);
  max-width: 58ch;
  margin-top: 2.25rem;
}

/* =========== BUTTONS =========== */

.btn {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  padding: 1rem 1.6rem;
  text-decoration: none;
  transition: all .25s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 400;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: var(--ink);
  color: var(--paper);
}
.btn-primary:hover {
  background: var(--ink-soft);
  transform: translateY(-1px);
}
.btn-primary .arrow { transition: transform .25s ease; display: inline-block; }
.btn-primary:hover .arrow { transform: translateX(5px); }
.btn-secondary {
  color: var(--ink);
  border-color: var(--ink);
  background: transparent;
}
.btn-secondary:hover {
  background: var(--ink);
  color: var(--paper);
}

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

.hero-signal {
  position: absolute;
  top: 50%;
  right: var(--gutter);
  transform: translateY(-50%);
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--mute);
}
@media (min-width: 1180px) { .hero-signal { display: flex; } }

.signal-track {
  width: 1px;
  height: 200px;
  background: linear-gradient(to bottom,
    transparent 0%,
    var(--rule) 15%,
    var(--rule) 85%,
    transparent 100%);
  position: relative;
}
.signal-dot {
  position: absolute;
  left: -2.5px;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: signalTravel 4.5s cubic-bezier(0.6,0,0.4,1) infinite;
}
@keyframes signalTravel {
  0%   { top: 0%;   opacity: 0; }
  12%  { opacity: 1; }
  50%  { top: 50%;  opacity: 1; }
  88%  { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}

/* =========== MODULE (shared section) =========== */

section.module {
  padding: clamp(4.5rem, 9vw, 8.5rem) 0;
  position: relative;
}

.section-header {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 3rem;
  margin-bottom: 4.5rem;
  align-items: start;
}
@media (max-width: 820px) {
  .section-header { grid-template-columns: 1fr; gap: 1.25rem; margin-bottom: 3rem; }
}

.section-label {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--graphite);
  padding-top: 0.5rem;
  font-weight: 400;
}

.section-title {
  font-family: var(--mono);
  font-weight: 400;
  font-size: clamp(1.5rem, 2.8vw, 2.3rem);
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--ink);
  max-width: 28ch;
}
.section-title em {
  font-style: italic;
  color: var(--graphite);
}

/* =========== PROPOSITION =========== */

.proposition {
  background: var(--paper-soft);
  border-top: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
}

.proposition-body {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 3rem;
}
@media (max-width: 820px) {
  .proposition-body { grid-template-columns: 1fr; gap: 1.25rem; }
}

.proposition-statement {
  font-family: var(--mono);
  font-weight: 400;
  font-size: clamp(1.4rem, 2.4vw, 2.1rem);
  line-height: 1.3;
  letter-spacing: -0.025em;
  color: var(--ink);
  max-width: 32ch;
  margin-bottom: 3rem;
}
.proposition-statement em {
  font-style: italic;
  color: var(--graphite);
}

.prose {
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--graphite);
  max-width: 62ch;
  margin-bottom: 1.25rem;
  font-weight: 400;
}
.prose em {
  font-style: italic;
  color: var(--ink);
}
.prose strong {
  font-weight: 500;
  color: var(--ink);
}

/* =========== SOLUTIONS (home grid) =========== */

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
@media (max-width: 980px) {
  .solutions-grid { grid-template-columns: 1fr; }
}

.solution {
  border: 1px solid var(--rule);
  padding: 2.5rem 2.25rem 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  background: var(--paper);
  transition: all .3s ease;
  min-height: 440px;
  position: relative;
}
.solution:hover { border-color: var(--ink); }

.solution.premium {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.solution.premium::after {
  content: 'PREMIUM';
  position: absolute;
  top: 1.6rem;
  right: 1.6rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--paper);
  opacity: 0.55;
}

.solution-number {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--mute);
}
.solution.premium .solution-number {
  color: var(--paper);
  opacity: 0.6;
}

.solution-name {
  font-family: var(--mono);
  font-weight: 400;
  font-size: 1.35rem;
  line-height: 1.25;
  letter-spacing: -0.025em;
}
.solution-name em {
  display: block;
  font-family: var(--sans);
  font-style: normal;
  font-size: 0.82rem;
  letter-spacing: 0;
  color: var(--graphite);
  margin-top: 0.6rem;
  font-weight: 400;
}
.solution.premium .solution-name em {
  color: rgba(255, 255, 255, 0.6);
}

.solution-description {
  font-family: var(--sans);
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--graphite);
  flex-grow: 1;
}
.solution.premium .solution-description {
  color: rgba(255, 255, 255, 0.78);
}

.solution-features {
  list-style: none;
  padding-top: 1.4rem;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.solution.premium .solution-features {
  border-top-color: rgba(255, 255, 255, 0.18);
}
.solution-features li {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--graphite);
  padding-left: 1.05rem;
  position: relative;
  line-height: 1.55;
  letter-spacing: -0.01em;
}
.solution-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 7px;
  height: 1px;
  background: var(--graphite);
}
.solution.premium .solution-features li { color: rgba(255, 255, 255, 0.82); }
.solution.premium .solution-features li::before { background: rgba(255, 255, 255, 0.5); }

/* =========== SOLUTION DETAIL (solutions.html) =========== */

.solution-detail {
  padding: clamp(4rem, 7vw, 6.5rem) 0;
  border-top: 1px solid var(--rule);
}
.solution-detail.premium-detail {
  background: var(--ink);
  color: var(--paper);
  border-top-color: var(--ink);
}

.solution-detail-inner {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 820px) {
  .solution-detail-inner { grid-template-columns: 1fr; gap: 1.5rem; }
}

.solution-detail .section-label { padding-top: 0.8rem; }
.solution-detail.premium-detail .section-label { color: rgba(255, 255, 255, 0.6); }

.solution-detail-title {
  font-family: var(--mono);
  font-weight: 400;
  font-size: clamp(1.8rem, 3.4vw, 2.7rem);
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: inherit;
  margin-bottom: 0.5rem;
}
.solution-detail-subtitle {
  font-family: var(--sans);
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  color: var(--graphite);
  margin-bottom: 2rem;
  font-weight: 400;
}
.solution-detail.premium-detail .solution-detail-subtitle { color: rgba(255, 255, 255, 0.6); }

.solution-detail-body {
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--graphite);
  max-width: 62ch;
  margin-bottom: 2.5rem;
}
.solution-detail.premium-detail .solution-detail-body { color: rgba(255, 255, 255, 0.8); }
.solution-detail.premium-detail .prose { color: rgba(255, 255, 255, 0.82); }
.solution-detail.premium-detail .prose em,
.solution-detail.premium-detail .prose strong { color: var(--paper); }

.solution-detail-deliverables {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2.5rem;
  padding-top: 2.25rem;
  border-top: 1px solid var(--rule);
  margin-bottom: 1.5rem;
}
.solution-detail.premium-detail .solution-detail-deliverables {
  border-top-color: rgba(255, 255, 255, 0.18);
}
@media (max-width: 820px) {
  .solution-detail-deliverables { grid-template-columns: 1fr; gap: 0.75rem; }
}
.deliverables-label {
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--mute);
  letter-spacing: 0.04em;
}
.solution-detail.premium-detail .deliverables-label { color: rgba(255, 255, 255, 0.5); }

.deliverables-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem 1.5rem;
}
@media (max-width: 620px) {
  .deliverables-list { grid-template-columns: 1fr; }
}
.deliverables-list li {
  font-family: var(--mono);
  font-size: 0.85rem;
  padding-left: 1.05rem;
  position: relative;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.solution-detail.premium-detail .deliverables-list li { color: var(--paper); }
.deliverables-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 7px;
  height: 1px;
  background: var(--graphite);
}
.solution-detail.premium-detail .deliverables-list li::before { background: rgba(255, 255, 255, 0.5); }

/* =========== METHOD (shared) =========== */

.method {
  background: var(--paper-soft);
  border-top: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
}

.method-list {
  list-style: none;
  max-width: 1040px;
  margin: 0 auto;
}

.method-row {
  display: grid;
  grid-template-columns: 170px 1fr 2fr;
  gap: 3rem;
  align-items: baseline;
  padding: 2.4rem 0;
  border-top: 1px solid var(--rule);
  transition: padding-left .35s cubic-bezier(0.2,0.8,0.2,1);
}
.method-row:last-child { border-bottom: 1px solid var(--rule); }
.method-row:hover { padding-left: 0.9rem; }
@media (max-width: 820px) {
  .method-row {
    grid-template-columns: 1fr;
    gap: 0.7rem;
    padding: 1.75rem 0;
  }
  .method-row:hover { padding-left: 0; }
}

.method-number {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--mute);
  padding-top: 0.55rem;
}

.method-name {
  font-family: var(--mono);
  font-weight: 400;
  font-size: clamp(1.15rem, 1.6vw, 1.45rem);
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--ink);
}

.method-description {
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--graphite);
}

/* =========== METHOD DETAIL (method.html) =========== */

.method-detail {
  padding: clamp(4rem, 7vw, 6rem) 0;
  border-top: 1px solid var(--rule);
}

.method-detail-inner {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 820px) {
  .method-detail-inner { grid-template-columns: 1fr; gap: 1.5rem; }
}

.method-detail-number {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--mute);
  padding-top: 0.9rem;
}

.method-detail-title {
  font-family: var(--mono);
  font-weight: 400;
  font-size: clamp(1.7rem, 3.2vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin-bottom: 1.5rem;
}
.method-detail-title em {
  font-style: italic;
  color: var(--graphite);
}

.method-detail-body {
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--graphite);
  max-width: 62ch;
  margin-bottom: 2.5rem;
}

.method-questions {
  list-style: none;
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  max-width: 60ch;
}
.method-questions-label {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--mute);
  margin-bottom: 1rem;
}
.method-questions li {
  font-family: var(--mono);
  font-size: 0.92rem;
  line-height: 1.5;
  letter-spacing: -0.015em;
  color: var(--ink);
  padding-left: 1.25rem;
  position: relative;
}
.method-questions li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--mute);
}

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

.usecases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border: 1px solid var(--rule);
}
@media (max-width: 720px) {
  .usecases-grid { grid-template-columns: 1fr; }
}

.usecase {
  padding: 2.75rem 2.25rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: var(--paper);
  transition: background .25s ease;
}
.usecase:hover { background: var(--paper-soft); }
.usecase:nth-child(2n) { border-right: none; }
.usecase:nth-last-child(-n+2) { border-bottom: none; }
@media (max-width: 720px) {
  .usecase { border-right: none; }
  .usecase:nth-last-child(-n+2) { border-bottom: 1px solid var(--rule); }
  .usecase:last-child { border-bottom: none; }
}

.usecase-number {
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--mute);
}
.usecase-title {
  font-family: var(--mono);
  font-weight: 400;
  font-size: 1.12rem;
  line-height: 1.3;
  color: var(--ink);
  letter-spacing: -0.022em;
}
.usecase-description {
  font-family: var(--sans);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--graphite);
}

/* =========== USE CASE DETAIL (use-cases.html) =========== */

.usecase-detail {
  padding: clamp(4rem, 7vw, 5.5rem) 0;
  border-top: 1px solid var(--rule);
}
.usecase-detail-inner {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 820px) {
  .usecase-detail-inner { grid-template-columns: 1fr; gap: 1.5rem; }
}
.usecase-detail-number {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--mute);
  padding-top: 0.8rem;
}
.usecase-detail-title {
  font-family: var(--mono);
  font-weight: 400;
  font-size: clamp(1.5rem, 2.8vw, 2.15rem);
  line-height: 1.22;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin-bottom: 1.75rem;
  max-width: 26ch;
}
.usecase-detail-blocks {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1.25rem 2.5rem;
  max-width: 72ch;
}
@media (max-width: 620px) {
  .usecase-detail-blocks { grid-template-columns: 1fr; gap: 0.5rem 0; }
  .usecase-detail-blocks > *:nth-child(2n+1) { margin-top: 1.25rem; }
  .usecase-detail-blocks > *:first-child { margin-top: 0; }
}
.usecase-detail-label {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--mute);
  padding-top: 0.2rem;
}
.usecase-detail-body {
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--graphite);
}

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

.principle { padding: clamp(5rem, 10vw, 10rem) 0; }

.principle-body-wrap {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 3rem;
}
@media (max-width: 820px) {
  .principle-body-wrap { grid-template-columns: 1fr; gap: 1.25rem; }
}

.principle-statement {
  font-family: var(--mono);
  font-weight: 400;
  font-size: clamp(1.45rem, 2.6vw, 2.2rem);
  line-height: 1.3;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin-bottom: 2.5rem;
  max-width: 32ch;
}
.principle-statement em {
  font-style: italic;
  color: var(--graphite);
}
.principle-prose {
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--graphite);
  max-width: 62ch;
}

/* =========== ABOUT: PILLARS =========== */

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--rule);
}
@media (max-width: 820px) {
  .pillars { grid-template-columns: 1fr; }
}
.pillar {
  padding: 2.5rem 2rem;
  border-right: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.pillar:last-child { border-right: none; }
@media (max-width: 820px) {
  .pillar { border-right: none; border-bottom: 1px solid var(--rule); }
  .pillar:last-child { border-bottom: none; }
}
.pillar-number {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--mute);
  letter-spacing: 0.04em;
}
.pillar-title {
  font-family: var(--mono);
  font-weight: 400;
  font-size: 1.2rem;
  line-height: 1.25;
  letter-spacing: -0.022em;
  color: var(--ink);
}
.pillar-body {
  font-family: var(--sans);
  font-size: 0.96rem;
  line-height: 1.6;
  color: var(--graphite);
}

/* =========== CONTACT =========== */

.contact-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 4rem;
  align-items: start;
}
@media (max-width: 980px) {
  .contact-layout { grid-template-columns: 1fr; gap: 3rem; }
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
@media (max-width: 620px) {
  .form-row { grid-template-columns: 1fr; }
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.form-label {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--graphite);
  letter-spacing: 0.04em;
}
.form-input, .form-textarea {
  font-family: var(--sans);
  font-size: 0.98rem;
  padding: 0.85rem 1rem;
  background: var(--paper);
  border: 1px solid var(--rule);
  color: var(--ink);
  width: 100%;
  transition: border-color .2s ease, background .2s ease;
  border-radius: 0;
  appearance: none;
}
.form-input:hover, .form-textarea:hover { border-color: var(--mute); }
.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--ink);
  background: var(--paper-soft);
}
.form-textarea { min-height: 160px; resize: vertical; line-height: 1.55; }

.form-footnote {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--mute);
  letter-spacing: 0.02em;
  line-height: 1.5;
  margin-top: 0.5rem;
}

.contact-aside {
  padding-top: 0.5rem;
}
.contact-aside-block {
  padding: 1.5rem 0;
  border-top: 1px solid var(--rule);
}
.contact-aside-block:first-child { padding-top: 0; border-top: none; }
.contact-aside-label {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--mute);
  letter-spacing: 0.04em;
  margin-bottom: 0.6rem;
}
.contact-aside-value {
  font-family: var(--mono);
  font-size: 1rem;
  color: var(--ink);
  letter-spacing: -0.01em;
  text-decoration: none;
  transition: color .2s ease;
}
.contact-aside-value:hover { color: var(--accent); }
.contact-aside-body {
  font-family: var(--sans);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--graphite);
}

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

.final-cta {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(5rem, 9vw, 8.5rem) 0;
  position: relative;
  overflow: hidden;
}
.final-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 18% 40%, rgba(138, 42, 31, 0.09) 0%, transparent 55%);
  pointer-events: none;
}
.final-cta-inner { position: relative; z-index: 2; }
.final-cta .eyebrow {
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 2.5rem;
}
.final-cta .eyebrow::before { background: var(--paper); opacity: 0.4; }

.final-cta-title {
  font-family: var(--mono);
  font-weight: 400;
  font-size: clamp(1.75rem, 4.2vw, 3.5rem);
  line-height: 1.18;
  letter-spacing: -0.028em;
  color: var(--paper);
  max-width: 22ch;
  margin-bottom: 2.25rem;
}
.final-cta-title em {
  font-style: italic;
  color: rgba(255, 255, 255, 0.65);
}

.final-cta-body {
  font-family: var(--sans);
  font-size: 1.08rem;
  color: rgba(255, 255, 255, 0.72);
  max-width: 54ch;
  margin-bottom: 3rem;
  line-height: 1.6;
}

.final-cta .btn-primary {
  background: var(--paper);
  color: var(--ink);
}
.final-cta .btn-primary:hover { background: #fff; }
.final-cta .btn-secondary {
  color: var(--paper);
  border-color: rgba(255, 255, 255, 0.4);
}
.final-cta .btn-secondary:hover {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
}

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

footer {
  background: var(--ink);
  color: var(--paper);
  padding: 2.75rem 0 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.75rem;
}
.footer-logo .logo-mark { color: var(--paper); }
.footer-logo .logo-divider { background: rgba(255, 255, 255, 0.25); }
.footer-logo .logo-ai { color: rgba(255, 255, 255, 0.6); }

.footer-meta {
  display: flex;
  gap: 2rem;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.5);
  flex-wrap: wrap;
}
.footer-meta a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease;
}
.footer-meta a:hover { color: var(--paper); }

/* =========== REVEAL ANIMATIONS =========== */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 1s cubic-bezier(0.2, 0.8, 0.2, 1),
              transform 1s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-d1 { transition-delay: .1s; }
.reveal-d2 { transition-delay: .2s; }
.reveal-d3 { transition-delay: .3s; }
.reveal-d4 { transition-delay: .4s; }

/* Hero and page-hero on-load staggered entry */
.hero .hero-eyebrow,
.hero h1,
.hero-lead,
.hero-ctas,
.hero-signal,
.page-hero .eyebrow,
.page-hero h1,
.page-hero-lead {
  opacity: 0;
  transform: translateY(26px);
  animation: heroFade 1.2s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}
.hero .hero-eyebrow,
.page-hero .eyebrow { animation-delay: .05s; }
.hero h1,
.page-hero h1    { animation-delay: .18s; }
.hero-lead,
.page-hero-lead  { animation-delay: .38s; }
.hero-ctas       { animation-delay: .58s; }
.hero-signal     { animation-delay: .85s; animation-name: heroFadeSignal; transform: translateY(-50%); }

@keyframes heroFade {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes heroFadeSignal {
  to { opacity: 1; transform: translateY(-50%); }
}

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