:root {
  --bg: #090B0C;
  --paper: #15191C;
  --paper2: #101316;
  --text: #F5F5F2;
  --muted: #A5A9AD;
  --line: #252B30;
  --accent: #5FF2D6;
  --accent2: #39BDAA;
  --accentSoft: rgba(95, 242, 214, 0.10);
  --navy: #15191C;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
  --radius: 20px;
  --display: "Space Grotesk", system-ui, sans-serif;
  --heading: "Space Grotesk", system-ui, sans-serif;
  --body: "Inter", system-ui, sans-serif;
  --mono: "JetBrains Mono", monospace;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: var(--body);
  line-height: 1.65;
}

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

.wrap {
  max-width: var(--container);
  margin: auto;
  padding: 0 28px;
}

.section {
  padding: 92px 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(9, 11, 12, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.nav {
  height: 72px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font: 700 14px var(--heading);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text);
}

.brand-mark {
  font: 700 24px var(--heading);
  color: var(--accent);
}

.nav-links {
  margin-left: auto;
  display: flex;
  gap: 22px;
}

.nav-links a {
  font-size: 13px;
  color: var(--muted);
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--accent);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--text);
  font-size: 22px;
  border-radius: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 14px;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
  box-shadow: 0 10px 28px rgba(95, 242, 214, 0.18);
}

.btn-primary:hover {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.btn-secondary,
.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}

.btn-secondary:hover,
.btn-outline:hover {
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.nav-cv {
  padding: 10px 15px;
  font-size: 12px;
}

.hero {
  padding: 92px 0 64px;
  background:
    radial-gradient(circle at 78% 20%, rgba(95, 242, 214, 0.10), transparent 33%),
    radial-gradient(circle at 18% 8%, rgba(57, 189, 170, 0.08), transparent 28%),
    linear-gradient(180deg, #090B0C, #101316);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 72px;
  align-items: center;
}

.eyebrow,
.section-label {
  color: var(--accent);
  font: 800 11px var(--mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  margin: 0 0 14px;
}

.center {
  text-align: center;
}

.hero h1,
.section-head h2,
.contact-card h2 {
  font: 700 clamp(48px, 7vw, 82px) / 1 var(--display);
  letter-spacing: -0.04em;
  margin: 0;
  color: var(--text);
}

.section-head h2,
.contact-card h2 {
  font-size: clamp(34px, 4.8vw, 54px);
  line-height: 1.12;
}

.hero-lede {
  font-size: 20px;
  color: var(--muted);
  max-width: 650px;
  margin: 24px 0 0;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 30px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 42px;
}

.stats div {
  border-right: 1px solid var(--line);
  padding-right: 14px;
}

.stats div:last-child {
  border: 0;
}

.stats strong {
  display: block;
  font: 800 16px var(--heading);
  color: var(--text);
}

.stats span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  margin-top: 3px;
}

.hero-card {
  position: relative;
}

.portrait-frame {
  height: 470px;
  border-radius: 38px;
  background:
    linear-gradient(145deg, rgba(95, 242, 214, 0.16), rgba(21, 25, 28, 0.95));
  border: 1px solid var(--line);
  overflow: hidden;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow);
}

.portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 16%;
  filter: none;
}

.portrait-placeholder {
  text-align: center;
}

.portrait-placeholder span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-top: 6px;
}

.hero-card blockquote {
  position: absolute;
  right: -10px;
  bottom: 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: 14px;
  padding: 18px 22px;
  max-width: 310px;
  margin: 0;
  font-size: 15px;
  color: var(--text);
}

.company-section {
  padding: 38px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}

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

.company {
  height: 104px;
  border: 1px solid rgba(95, 242, 214, 0.14);
  border-radius: 18px;
  background: #15191C;
  display: grid;
  place-items: center;
  padding: 14px;
  transition: all 0.2s ease;
}

.company:hover {
  border-color: rgba(95, 242, 214, 0.42);
  transform: translateY(-2px);
}

.company img {
  width: auto;
  height: auto;
  max-width: 190px;
  max-height: 62px;
  object-fit: contain;
  filter: none;
  background: #F5F5F2;
  border-radius: 12px;
  padding: 12px 18px;
  box-shadow: inset 0 0 0 1px rgba(9, 11, 12, 0.08);
}

.company-fallback {
  font: 800 18px var(--heading);
  color: var(--text);
}

.logo-note {
  text-align: center;
  color: var(--muted);
  font-size: 11px;
  margin: 16px 0 0;
}

.section-head {
  max-width: 760px;
  margin-bottom: 38px;
}

.section-head > p {
  color: var(--muted);
}

.section-head.split {
  max-width: none;
  display: grid;
  grid-template-columns: 1fr 0.75fr;
  gap: 60px;
  align-items: end;
}

.section-head.split > p {
  margin: 0;
}

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

.case-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--paper);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: all 0.2s ease;
}

.case-card:hover {
  border-color: rgba(95, 242, 214, 0.55);
  transform: translateY(-4px);
}

.case-summary {
  padding: 26px;
}

.case-kicker {
  font: 800 10px var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.case-card h3 {
  font: 800 22px / 1.35 var(--heading);
  margin: 9px 0 0;
  color: var(--text);
}

.case-client {
  font-size: 12px;
  color: var(--muted);
  margin-top: 6px;
}

.case-summary p {
  color: var(--muted);
  font-size: 14px;
}

.case-toggle {
  border: 0;
  background: none;
  padding: 0;
  color: var(--accent);
  font-weight: 800;
  font-size: 13px;
  cursor: pointer;
}

.case-detail {
  display: none;
  padding: 0 26px 26px;
  border-top: 1px solid var(--line);
}

.case-detail.open {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  padding-top: 22px;
}

.detail-block h4 {
  font: 800 10px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent2);
  margin: 0 0 6px;
}

.detail-block p {
  margin: 0;
  font-size: 13.5px;
  color: var(--muted);
}

.detail-result {
  grid-column: 1 / -1;
  background: var(--paper2);
  border: 1px solid var(--line);
  padding: 16px;
  border-radius: 12px;
  font-size: 13.5px;
  color: var(--text);
}

.method-section {
  background: var(--paper2);
}

.method-flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
}

.method-flow:before {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  top: 35px;
  height: 2px;
  background: var(--line);
}

.method-step {
  position: relative;
  text-align: center;
  padding: 0 14px;
}

.method-node {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  margin: 0 auto;
  background: var(--bg);
  border: 2px solid var(--accent);
  display: grid;
  place-items: center;
  position: relative;
  z-index: 1;
  font: 800 14px var(--heading);
  color: var(--accent);
}

.method-step h3 {
  font: 800 16px var(--heading);
  margin: 16px 0 0;
  color: var(--text);
}

.method-step p {
  font-size: 12.5px;
  color: var(--muted);
  margin: 7px 0 0;
}

.timeline {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.timeline-item {
  display: grid;
  grid-template-columns: 150px 1fr 1fr;
  gap: 22px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  align-items: center;
}

.timeline-item .period {
  font: 800 12px var(--mono);
  color: var(--accent);
}

.timeline-item h3 {
  font: 800 16px var(--heading);
  margin: 0;
  color: var(--text);
}

.timeline-item p {
  color: var(--muted);
  font-size: 13px;
  margin: 0;
}

.library-section {
  background: var(--paper2);
}

.library-layout {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 18px;
}

.resource-feature {
  background:
    radial-gradient(circle at top right, rgba(95, 242, 214, 0.14), transparent 18rem),
    var(--paper);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 30px;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.resource-feature .resource-type {
  color: var(--accent);
}

.resource-feature h3 {
  font: 800 30px var(--heading);
  margin: 10px 0;
  color: var(--text);
}

.resource-feature p {
  color: var(--muted);
  max-width: 520px;
}

.resource-list {
  display: grid;
  gap: 12px;
}

.resource-row {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 15px;
  padding: 18px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  transition: all 0.2s ease;
}

.resource-row:hover {
  border-color: rgba(95, 242, 214, 0.55);
  transform: translateY(-2px);
}

.resource-row h3 {
  font: 800 15px var(--heading);
  margin: 0;
  color: var(--text);
}

.resource-row p {
  font-size: 12px;
  color: var(--muted);
  margin: 4px 0 0;
}

.resource-type {
  font: 800 10px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent2);
}

.text-link {
  color: var(--accent);
  font-weight: 800;
  font-size: 13px;
}

.text-link:hover {
  color: var(--accent2);
}

.carousel {
  overflow: hidden;
}

.recommendation-track {
  display: flex;
  transition: transform 0.4s ease;
}

.recommendation-page {
  min-width: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.recommendation {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
  background: var(--paper);
  min-height: 250px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.recommendation blockquote {
  font: 600 16px / 1.6 var(--heading);
  margin: 0;
  color: var(--text);
}

.recommendation .name {
  font-weight: 800;
  font-size: 13px;
  color: var(--text);
}

.recommendation .role {
  font-size: 11px;
  color: var(--muted);
}

.carousel-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  margin-top: 20px;
}

.carousel-controls button {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--text);
}

.carousel-controls button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.carousel-controls #recDots {
  display: flex;
  gap: 7px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--line);
}

.dot.active {
  background: var(--accent);
}

.contact-section {
  padding: 60px 0 78px;
}

.contact-card {
  background:
    radial-gradient(circle at top right, rgba(95, 242, 214, 0.16), transparent 22rem),
    linear-gradient(135deg, #15191C, #101316);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 34px 38px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  align-items: center;
  box-shadow: var(--shadow);
}

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

.contact-actions {
  display: flex;
  gap: 16px;
  align-items: center;
}

.footer-inner {
  border-top: 1px solid var(--line);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 11px;
}

.certification-section {
  background: var(--bg);
}

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

.certification-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
  transition: 0.2s ease;
}

.certification-row:hover {
  padding-left: 8px;
  color: var(--accent);
}

.certification-title {
  font: 800 15px var(--heading);
  color: var(--text);
}

.certification-meta {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.certification-action {
  color: var(--accent);
  font-weight: 800;
  font-size: 12px;
  white-space: nowrap;
}

img {
  max-width: 100%;
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg);
    padding: 18px 28px;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: block;
    margin-left: auto;
  }

  .nav-cv {
    display: none;
  }

  .hero-grid,
  .section-head.split,
  .library-layout,
  .contact-card {
    grid-template-columns: 1fr;
  }

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

  .method-flow {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .method-flow:before {
    display: none;
  }

  .recommendation-page {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 600px) {
  .wrap {
    padding: 0 20px;
  }

  .section {
    padding: 70px 0;
  }

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

  .hero-actions,
  .contact-actions {
    flex-wrap: wrap;
  }

  .portrait-frame {
    height: 390px;
  }

  .portrait-frame img {
    object-position: center 12%;
  }

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

  .case-detail.open {
    grid-template-columns: 1fr;
  }

  .detail-result {
    grid-column: auto;
  }

  .certification-row {
    grid-template-columns: 1fr;
    gap: 7px;
  }
}