:root {
  --bg: #f4f7fb;
  --bg-alt: #e8eef6;
  --ink: #0b1c2c;
  --muted: #4a6278;
  --line: #c5d3e2;
  --accent: #0d8a7c;
  --accent-deep: #06665c;
  --surface: rgba(255, 255, 255, 0.72);
  --terminal: #0f2433;
  --ok: #3dba8c;
  --kw: #6ec8ff;
  --str: #f0c674;
  --fn: #9cdcfe;
  --cmt: #7a93a8;
  --font: "Outfit", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --shadow: 0 24px 60px rgba(11, 28, 44, 0.12);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(13, 138, 124, 0.14), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(45, 110, 180, 0.12), transparent 50%),
    linear-gradient(180deg, #eef3f9 0%, var(--bg) 40%, #e9f0f7 100%);
  min-height: 100vh;
  line-height: 1.55;
}

.grid-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(11, 28, 44, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 28, 44, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 85%);
}

.site-header,
main,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem clamp(1.25rem, 4vw, 3rem);
  max-width: 1120px;
  margin: 0 auto;
}

.logo {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}

.logo span {
  font-weight: 500;
  color: var(--accent-deep);
  margin-left: 0.35rem;
}

.logo-sm {
  font-size: 0.95rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.85rem 1.15rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  max-width: 1120px;
  margin: 0 auto;
  padding: clamp(2.5rem, 8vh, 5rem) clamp(1.25rem, 4vw, 3rem) clamp(3rem, 8vh, 5.5rem);
  min-height: calc(100vh - 5rem);
}

.brand {
  margin: 0 0 0.85rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent-deep);
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.35rem, 5vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
  font-weight: 700;
  max-width: 12ch;
}

.lede {
  margin: 0 0 1.75rem;
  max-width: 38ch;
  color: var(--muted);
  font-size: 1.08rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.35rem;
  border-radius: 8px;
  border: none;
  font-family: var(--font);
  font-size: 0.98rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

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

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-deep);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

.btn-ghost:hover {
  border-color: var(--ink);
}

.hero-visual {
  animation: rise 0.9s ease both;
}

.hero-copy {
  animation: rise 0.7s ease both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.terminal {
  background: var(--terminal);
  border-radius: 14px;
  box-shadow: var(--shadow);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.85rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.terminal-bar span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #3a5164;
}

.terminal-bar span:nth-child(1) { background: #e36b6b; }
.terminal-bar span:nth-child(2) { background: #e0b35a; }
.terminal-bar span:nth-child(3) { background: #5fbf86; }

.terminal-bar code {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: #8aa0b5;
}

.terminal-body {
  margin: 0;
  padding: 1.25rem 1.35rem 1.5rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.7;
  color: #d7e3ef;
  overflow-x: auto;
}

.terminal-body .kw { color: var(--kw); }
.terminal-body .str { color: var(--str); }
.terminal-body .fn { color: var(--fn); }
.terminal-body .cmt { color: var(--cmt); }
.terminal-body .ok { color: var(--ok); }

.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: clamp(3.5rem, 8vh, 5.5rem) clamp(1.25rem, 4vw, 3rem);
}

.section-alt {
  background: linear-gradient(180deg, transparent, rgba(232, 238, 246, 0.7), transparent);
}

.section-label {
  margin: 0 0 0.75rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-deep);
}

.section h2 {
  margin: 0 0 0.65rem;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.section-text {
  margin: 0 0 2.25rem;
  max-width: 48ch;
  color: var(--muted);
  font-size: 1.05rem;
}

.feature-list,
.process-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.feature-list li,
.process-list li,
.about-item,
.tech-group,
.stack-item,
.service-card,
.process-step,
.industry-tile {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.feature-list li.in-view,
.process-list li.in-view,
.about-item.in-view,
.tech-group.in-view,
.stack-item.in-view,
.service-card.in-view,
.process-step.in-view,
.industry-tile.in-view {
  opacity: 1;
  transform: translateY(0);
}

.feature-list li,
.process-list li {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
}

.feature-code {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent);
  padding-top: 0.25rem;
}

.feature-list h3,
.process-list h3 {
  margin: 0 0 0.35rem;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.feature-list p,
.process-list p {
  margin: 0;
  color: var(--muted);
  max-width: 52ch;
}

.about-section {
  padding-top: clamp(3rem, 7vh, 4.5rem);
}

.about-layout {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: start;
  margin-bottom: clamp(2.5rem, 5vh, 3.5rem);
}

.about-intro .section-label {
  margin-bottom: 0.75rem;
}

.about-intro h2 {
  margin-bottom: 1rem;
}

.about-lead {
  margin: 0 0 1.1rem;
  font-size: clamp(1.15rem, 2.2vw, 1.35rem);
  line-height: 1.45;
  letter-spacing: -0.015em;
  max-width: 38ch;
  color: var(--ink);
}

.about-copy {
  margin: 0 0 1rem;
  max-width: 48ch;
  color: var(--muted);
  font-size: 1.02rem;
}

.about-quote {
  margin: 1.75rem 0 0;
  padding: 1.1rem 0 1.1rem 1.15rem;
  border-left: 3px solid var(--accent);
  background: linear-gradient(90deg, rgba(13, 138, 124, 0.08), transparent 70%);
}

.about-quote p {
  margin: 0;
  max-width: 36ch;
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.about-panel {
  border: 1px solid var(--line);
  border-radius: 14px;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.9), rgba(232, 238, 246, 0.65)),
    var(--bg-alt);
  box-shadow: var(--shadow);
  overflow: hidden;
  animation: rise 0.85s ease both;
}

.about-panel-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.45);
}

.about-panel-bar .mono {
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--accent-deep);
}

.about-map {
  list-style: none;
  margin: 0;
  padding: 0.35rem 0;
}

.about-map-item {
  position: relative;
  border-bottom: 1px solid rgba(197, 211, 226, 0.55);
}

.about-map-item:last-child {
  border-bottom: none;
}

.about-map-item::before {
  content: "";
  position: absolute;
  left: 1.4rem;
  top: 1.55rem;
  bottom: -0.35rem;
  width: 1px;
  background: rgba(13, 138, 124, 0.25);
}

.about-map-item:last-child::before {
  display: none;
}

.about-map-item.is-open::before {
  background: rgba(13, 138, 124, 0.45);
}

.about-map-toggle {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.75rem 1.15rem;
  border: none;
  background: transparent;
  color: var(--ink);
  font-family: var(--font);
  font-size: 0.98rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: background 0.2s ease;
}

.about-map-toggle:hover {
  background: rgba(13, 138, 124, 0.06);
}

.about-map-item.is-open .about-map-toggle {
  background: rgba(13, 138, 124, 0.08);
}

.about-map .dot {
  position: relative;
  z-index: 1;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(13, 138, 124, 0.12);
  flex-shrink: 0;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.about-map-item.is-open .dot {
  transform: scale(1.15);
  box-shadow: 0 0 0 5px rgba(13, 138, 124, 0.2);
}

.about-map-label {
  flex: 1;
}

.about-map-chevron {
  width: 7px;
  height: 7px;
  border-right: 1.5px solid var(--muted);
  border-bottom: 1.5px solid var(--muted);
  transform: rotate(45deg);
  transition: transform 0.25s ease, border-color 0.2s ease;
  flex-shrink: 0;
  margin-right: 0.15rem;
}

.about-map-item.is-open .about-map-chevron {
  transform: rotate(225deg);
  border-color: var(--accent-deep);
}

.about-map-detail {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.32s ease;
  padding: 0 1.15rem 0 2.55rem;
}

.about-map-detail > p {
  overflow: hidden;
  margin: 0;
  min-height: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.about-map-item.is-open .about-map-detail {
  grid-template-rows: 1fr;
  padding-bottom: 0.85rem;
}

.about-map-item.is-open .about-map-detail > p {
  opacity: 1;
  transform: translateY(0);
}

.about-panel-foot {
  padding: 0.85rem 1.15rem 1.05rem;
  border-top: 1px solid var(--line);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.about-principles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}

.about-principles .about-item {
  padding: 1.6rem 1.35rem 1.6rem 0;
  border-bottom: 1px solid var(--line);
}

.about-principles .about-item:nth-child(odd) {
  padding-right: 1.75rem;
  border-right: 1px solid var(--line);
}

.about-principles .about-item:nth-child(even) {
  padding-left: 1.75rem;
}

.about-item h3 {
  margin: 0.45rem 0 0.4rem;
  font-size: 1.12rem;
  letter-spacing: -0.02em;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem 1.5rem;
}

.tech-group {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
}

.tech-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 12px;
}

.service-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem 1.75rem;
}

.service-card {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 1rem;
  align-items: start;
  padding: 0.35rem 0;
}

.service-art {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  display: block;
}

.service-card .mono {
  display: inline-block;
  margin-bottom: 0.25rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--accent-deep);
}

.service-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.12rem;
  letter-spacing: -0.02em;
}

.service-card p {
  margin: 0;
  color: var(--muted);
  max-width: 36ch;
  font-size: 0.98rem;
}

.process-flow {
  display: flex;
  align-items: stretch;
  gap: 0.35rem;
  margin-bottom: 2rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.process-step {
  flex: 1 1 0;
  min-width: 150px;
  padding: 1.1rem 1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.55);
}

.process-node {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 0.65rem;
}

.process-num {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.process-title {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.process-step p {
  margin: 0 0 0.85rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.process-tag {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-deep);
  padding: 0.28rem 0.5rem;
  border-radius: 999px;
  background: rgba(13, 138, 124, 0.1);
}

.process-arrow {
  display: flex;
  align-items: center;
  color: var(--accent);
  flex: 0 0 auto;
  opacity: 0.75;
}

.process-scheme {
  padding: 1.15rem 1.25rem;
  border: 1px dashed var(--line);
  border-radius: 12px;
  background: linear-gradient(90deg, rgba(13, 138, 124, 0.05), transparent 60%);
}

.scheme-track {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 0.75rem;
}

.scheme-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--line);
  flex-shrink: 0;
}

.scheme-dot.is-active {
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(13, 138, 124, 0.15);
}

.scheme-line {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--line));
}

.scheme-labels {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.industry-tile {
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.5);
}

.industry-tile img,
.industry-art svg {
  display: block;
  width: 100%;
  height: auto;
}

.industry-art {
  background: #0b1c2c;
  line-height: 0;
}

.industry-body {
  padding: 1rem 1.1rem 1.2rem;
}

.industry-body .mono {
  display: inline-block;
  margin-bottom: 0.4rem;
}

.about-item .mono,
.tech-group .mono,
.stack-item .mono,
.industry-body .mono {
  display: inline-block;
  margin-bottom: 0.35rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--accent-deep);
}

.about-item p,
.tech-group p,
.stack-item p,
.industry-body p {
  margin: 0;
  color: var(--muted);
  max-width: 36ch;
}

.stack-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 1.25rem;
  max-width: 720px;
}

.contact-form label {
  display: grid;
  gap: 0.45rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink);
}

.contact-form .full {
  grid-column: 1 / -1;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.75);
  color: var(--ink);
  font-family: var(--font);
  font-size: 0.98rem;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(13, 138, 124, 0.35);
  border-color: var(--accent);
}

.form-actions {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.35rem;
}

.form-note {
  grid-column: 1 / -1;
  margin: 0.35rem 0 0;
  font-size: 0.78rem;
}

.contact-form .honey {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  max-width: 1120px;
  margin: 0 auto;
  padding: 2rem clamp(1.25rem, 4vw, 3rem) 2.5rem;
  border-top: 1px solid var(--line);
}

.footer-main {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.1rem;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--ink);
}

.mono {
  font-family: var(--mono);
}

.muted {
  color: var(--muted);
  font-size: 0.85rem;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 2rem;
  }

  .hero h1 {
    max-width: 14ch;
  }

  .stack-row,
  .tech-grid,
  .about-layout,
  .about-principles,
  .service-grid,
  .industry-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .process-flow {
    flex-direction: column;
  }

  .process-arrow {
    transform: rotate(90deg);
    justify-content: center;
    padding: 0.15rem 0;
  }

  .process-step {
    min-width: 0;
  }

  .about-principles .about-item,
  .about-principles .about-item:nth-child(odd),
  .about-principles .about-item:nth-child(even) {
    padding: 1.4rem 0;
    border-right: none;
  }

  .contact-form {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .nav {
    gap: 0.65rem 0.85rem;
  }

  .nav a {
    font-size: 0.84rem;
  }

  .feature-list li,
  .process-list li {
    grid-template-columns: 3rem 1fr;
  }

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