:root {
  --ink: #101820;
  --ink-soft: #344054;
  --muted: #667085;
  --line: #d9e0e8;
  --panel: #ffffff;
  --panel-soft: #f6f8fb;
  --page: #eef3f6;
  --teal: #027a78;
  --teal-dark: #005f5d;
  --amber: #b7791f;
  --red: #b42318;
  --green: #067647;
  --shadow: 0 22px 60px rgba(16, 24, 32, 0.12);
  --shadow-soft: 0 10px 30px rgba(16, 24, 32, 0.08);
  --radius: 8px;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: "Source Serif 4", Georgia, serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--page);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(16, 24, 32, 0.035) 1px, transparent 1px),
    linear-gradient(0deg, rgba(16, 24, 32, 0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 62%);
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--teal);
  text-decoration: none;
}

a:hover,
a:focus {
  color: var(--teal-dark);
}

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

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

ul {
  margin: 0;
  padding: 0;
}

li {
  list-style: none;
}

.container {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  position: relative;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 1000;
  padding: 10px 14px;
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius);
}

.skip-link:focus {
  top: 16px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(217, 224, 232, 0.86);
  backdrop-filter: blur(18px);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 800;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: var(--ink);
  border-radius: var(--radius);
  font-size: 14px;
}

.brand-text {
  white-space: nowrap;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
}

.main-navigation {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-navigation a {
  display: block;
  padding: 10px 12px;
  color: var(--ink-soft);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 700;
}

.main-navigation a:hover,
.main-navigation .current a {
  color: var(--ink);
  background: var(--panel-soft);
}

.section-band {
  padding: 96px 0;
}

.hero {
  min-height: calc(100vh - 76px);
  display: flex;
  align-items: center;
  background: linear-gradient(180deg, #f9fbfc 0%, #eef3f6 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: 56px;
  align-items: center;
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

h1 {
  max-width: 780px;
  font-family: var(--font-serif);
  font-size: 64px;
  line-height: 1.03;
  font-weight: 600;
  letter-spacing: 0;
}

h2 {
  max-width: 760px;
  font-family: var(--font-serif);
  font-size: 44px;
  line-height: 1.12;
  font-weight: 600;
  letter-spacing: 0;
}

h3 {
  color: var(--ink);
  font-size: 20px;
  line-height: 1.25;
  letter-spacing: 0;
}

.lead {
  max-width: 720px;
  margin-top: 24px;
  color: var(--ink-soft);
  font-size: 19px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 800;
  color: var(--ink);
}

.button-primary {
  background: var(--ink);
  color: #fff;
  box-shadow: var(--shadow-soft);
}

.button-primary:hover,
.button-primary:focus {
  color: #fff;
  background: #25313b;
}

.button-secondary {
  background: #fff;
  border-color: var(--line);
}

.hero-tags,
.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hero-tags {
  margin-top: 26px;
}

.hero-tags span,
.chip-list span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 6px 10px;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 700;
}

.hero-panel {
  display: grid;
  gap: 16px;
}

.portrait-card,
.signal-board,
.card,
.work-card,
.contact-card,
.stack-groups,
.proof-item {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(217, 224, 232, 0.92);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.portrait-card {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 18px;
  align-items: center;
  padding: 18px;
}

.portrait-card img {
  width: 96px;
  height: 96px;
  object-fit: cover;
  border-radius: var(--radius);
}

.portrait-name,
.portrait-role {
  display: block;
}

.portrait-name {
  color: var(--ink);
  font-weight: 800;
}

.portrait-role {
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
}

.signal-board {
  padding: 22px;
}

.board-header,
.signal-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.board-header {
  margin-bottom: 24px;
  color: var(--ink);
  font-weight: 800;
}

.status-dot {
  position: relative;
  padding-left: 16px;
  color: var(--green);
  font-size: 12px;
}

.status-dot::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 8px;
  height: 8px;
  margin-top: -4px;
  border-radius: 50%;
  background: var(--green);
}

.signal-row {
  margin-top: 16px;
  color: var(--ink-soft);
  font-size: 14px;
}

.signal-row strong {
  color: var(--ink);
}

.signal-bar {
  height: 9px;
  margin-top: 8px;
  background: #edf1f5;
  border-radius: var(--radius);
  overflow: hidden;
}

.signal-bar span {
  display: block;
  height: 100%;
  background: var(--red);
}

.signal-bar.amber span {
  background: var(--amber);
}

.signal-bar.green span {
  background: var(--green);
}

.proof-strip {
  padding: 34px 0;
  background: var(--ink);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.proof-item {
  min-height: 150px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: none;
}

.proof-item strong {
  display: block;
  color: #fff;
  font-size: 38px;
  line-height: 1;
}

.proof-item span {
  display: block;
  margin-top: 14px;
  color: #cdd7df;
  font-size: 14px;
}

.section-heading {
  margin-bottom: 42px;
}

.section-heading p:not(.eyebrow) {
  max-width: 680px;
  margin-top: 14px;
  font-size: 17px;
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.card {
  min-height: 280px;
  padding: 24px;
}

.card-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin-bottom: 46px;
  color: var(--teal);
  background: #e6f4f1;
  border-radius: var(--radius);
  font-weight: 800;
}

.card p {
  margin-top: 14px;
}

.work-section {
  background: #f9fbfc;
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.work-card {
  overflow: hidden;
}

.work-card.featured {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
}

.work-media {
  min-height: 250px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
  color: #fff;
  background: var(--ink);
}

.work-media > span {
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.finance-media {
  background: linear-gradient(135deg, var(--ink) 0%, #0f4f4d 100%);
}

.anomaly-media {
  background: linear-gradient(135deg, #3b1714 0%, var(--red) 100%);
}

.pipeline-media {
  background: linear-gradient(135deg, #182230 0%, #38546b 100%);
}

.ai-media {
  background: linear-gradient(135deg, #1d2b24 0%, var(--green) 100%);
}

.mini-chart {
  height: 120px;
  display: flex;
  align-items: end;
  gap: 12px;
}

.mini-chart i {
  width: 100%;
  min-width: 22px;
  background: rgba(255, 255, 255, 0.82);
  border-radius: 6px 6px 0 0;
}

.pulse-line {
  height: 94px;
  border: 2px solid rgba(255, 255, 255, 0.68);
  border-left: 0;
  border-right: 0;
  background:
    linear-gradient(120deg, transparent 0 12%, rgba(255,255,255,0.8) 12% 14%, transparent 14% 24%, rgba(255,255,255,0.8) 24% 26%, transparent 26% 42%, rgba(255,255,255,0.8) 42% 45%, transparent 45% 100%);
}

.pipeline-nodes,
.chat-stack {
  display: grid;
  gap: 12px;
}

.pipeline-nodes {
  grid-template-columns: repeat(4, 1fr);
}

.pipeline-nodes i,
.chat-stack i {
  display: block;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
}

.chat-stack i:nth-child(1) {
  width: 76%;
}

.chat-stack i:nth-child(2) {
  width: 92%;
  margin-left: auto;
}

.chat-stack i:nth-child(3) {
  width: 68%;
}

.work-body {
  padding: 26px;
}

.work-kicker {
  margin-bottom: 10px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.work-body p:not(.work-kicker) {
  margin: 14px 0 20px;
}

.timeline {
  display: grid;
  gap: 14px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 24px;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.timeline-date {
  color: var(--teal);
  font-size: 14px;
  font-weight: 800;
}

.company {
  margin-top: 4px;
  color: var(--ink-soft);
  font-weight: 700;
}

.timeline-item p:not(.company) {
  margin: 12px 0 16px;
}

.stack-section {
  background: #f9fbfc;
}

.stack-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 36px;
  align-items: start;
}

.stack-groups {
  display: grid;
  gap: 0;
  overflow: hidden;
}

.stack-groups div {
  padding: 24px;
  border-bottom: 1px solid var(--line);
}

.stack-groups div:last-child {
  border-bottom: 0;
}

.stack-groups p {
  margin-top: 8px;
}

.contact-section {
  background: var(--ink);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 430px;
  gap: 48px;
  align-items: start;
}

.contact-section h2,
.contact-section .section-heading p:not(.eyebrow) {
  color: #fff;
}

.contact-section .section-heading p:not(.eyebrow) {
  color: #cdd7df;
}

.contact-card {
  padding: 18px;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: none;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 56px;
  padding: 0 14px;
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  font-weight: 800;
}

.contact-link:hover,
.contact-link:focus {
  color: #d8fffb;
}

.contact-link i {
  width: 22px;
  color: #7bd7d1;
}

.availability {
  margin-top: 18px;
  padding: 16px;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
}

.availability strong,
.availability span {
  display: block;
}

.availability span {
  margin-top: 6px;
  color: #cdd7df;
  font-size: 14px;
}

.site-footer {
  padding: 24px 0;
  color: #cdd7df;
  background: #0b1117;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-inner p {
  color: #cdd7df;
  font-size: 14px;
}

.back-top {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms ease, transform 520ms ease;
}

.animate-on-scroll.fade-left {
  transform: translateX(18px);
}

.animate-on-scroll.animate {
  opacity: 1;
  transform: translate(0, 0);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0ms !important;
    animation-duration: 0ms !important;
  }

  .animate-on-scroll {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1020px) {
  h1 {
    font-size: 50px;
  }

  h2 {
    font-size: 38px;
  }

  .hero-grid,
  .stack-layout,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .hero-panel {
    max-width: 640px;
  }
}

@media (max-width: 820px) {
  .container {
    width: min(100% - 32px, 1180px);
  }

  .menu-toggle {
    display: block;
  }

  .nav-wrap {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 76px;
    display: none;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }

  .nav-wrap.active {
    display: block;
  }

  .main-navigation {
    display: grid;
    padding: 8px;
  }

  .main-navigation a {
    padding: 12px;
  }

  .section-band {
    padding: 72px 0;
  }

  .hero {
    min-height: auto;
  }

  .work-grid,
  .work-card.featured {
    grid-template-columns: 1fr;
  }

  .work-card.featured {
    grid-column: auto;
    display: block;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

@media (max-width: 620px) {
  h1 {
    font-size: 40px;
  }

  h2 {
    font-size: 32px;
  }

  .lead {
    font-size: 17px;
  }

  .brand-text {
    display: none;
  }

  .hero-grid {
    gap: 34px;
  }

  .animate-on-scroll.fade-left {
    transform: translateY(18px);
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .portrait-card {
    grid-template-columns: 76px 1fr;
  }

  .portrait-card img {
    width: 76px;
    height: 76px;
  }

  .proof-grid,
  .expertise-grid {
    grid-template-columns: 1fr;
  }

  .proof-item {
    min-height: auto;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}