:root {
  --bg: #ffffff;
  --bg-soft: #f6f5f1;
  --bg-ink: #101112;
  --ink: #121212;
  --ink-soft: #4b4b4b;
  --ink-faint: #838383;
  --border: #e2e0d8;
  --line: #d7d4cb;
  --blue: #1d4ed8;
  --blue-soft: #e8f0ff;
  --green: #0f9f73;
  --green-soft: #e6f6f1;
  --orange: #d2692f;
  --orange-soft: #fff0e7;
  --radius: 12px;
  --shadow: 0 16px 48px rgba(15, 23, 42, 0.08);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

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

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

main,
section,
footer,
nav {
  width: 100%;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 4.5vw;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}

.nav-logo,
.footer-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  padding: 0;
  border: 0;
  border-radius: 0;
}

.nav-logo img {
  height: 109px;
  width: auto;
}

.footer-logo img {
  height: 84px;
  width: auto;
}

.nav-links,
.nav-actions,
.footer-links,
.pill-row,
.hero-actions,
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.nav-links a,
.footer-links a {
  color: var(--ink-faint);
  font-size: 0.87rem;
  font-weight: 500;
}

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

.lang-switcher {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.2rem;
  gap: 0.2rem;
}

.lang-btn {
  border: 0;
  background: transparent;
  color: var(--ink-faint);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.35rem 0.55rem;
  border-radius: 999px;
  cursor: pointer;
}

.lang-btn.active {
  background: var(--bg-ink);
  color: #fff;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.9rem 1.35rem;
  font-weight: 600;
  font-size: 0.92rem;
  transition: transform 0.2s ease, opacity 0.2s ease, border-color 0.2s ease;
  cursor: pointer;
  border: 1px solid transparent;
}

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

.btn-small {
  padding: 0.7rem 1rem;
  font-size: 0.82rem;
}

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

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

.hero,
section,
.site-footer {
  padding-left: 4.5vw;
  padding-right: 4.5vw;
}

.hero {
  min-height: calc(100vh - 120px);
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 2rem;
  align-items: center;
  padding-top: 5rem;
  padding-bottom: 4.5rem;
  position: relative;
}

.hero-line {
  position: absolute;
  inset: 0 4.5vw auto;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), rgba(29, 78, 216, 0));
}

.hero-line-green {
  background: linear-gradient(90deg, var(--green), rgba(15, 159, 115, 0));
}

.hero-line-orange {
  background: linear-gradient(90deg, var(--orange), rgba(210, 105, 47, 0));
}

.eyebrow,
.section-tag,
.card-kicker,
.mini-label,
.case-badge,
.case-index,
.panel-header strong {
  font-family: "JetBrains Mono", monospace;
}

.eyebrow,
.section-tag {
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
}

.hero h1,
.section-title {
  font-family: "Instrument Serif", serif;
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: -0.03em;
  margin: 0;
}

.hero h1 {
  font-size: clamp(2.7rem, 5vw, 5.4rem);
  margin-top: 1.2rem;
}

.hero h1 em {
  font-style: italic;
  color: var(--blue);
}

.hero-sub,
.section-sub,
.card p,
.case-card p,
.contact-card p,
.spec-card span,
.timeline-item p,
.flat-list li {
  color: var(--ink-soft);
}

.hero-sub,
.section-sub {
  max-width: 62ch;
  margin-top: 1.1rem;
}

.hero-panel,
.card,
.product-card,
.case-card,
.contact-card,
.spec-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-panel {
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 1rem 1.1rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-soft);
}

.panel-header span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #d1cec6;
}

.panel-header strong {
  margin-left: 0.5rem;
  font-size: 0.7rem;
  color: var(--ink-faint);
  letter-spacing: 0.08em;
}

.panel-body {
  padding: 1.2rem;
}

.mini-card,
.flow-node {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.95rem 1rem;
  background: #fff;
}

.mini-card + .mini-card,
.flow-node + .flow-node {
  margin-top: 0.8rem;
}

.mini-label {
  font-size: 0.68rem;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
}

section {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

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

.section-title {
  font-size: clamp(2rem, 3vw, 3rem);
  margin-top: 1rem;
}

.grid {
  display: grid;
  gap: 1.2rem;
  margin-top: 2.4rem;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stack {
  display: grid;
  gap: 1.2rem;
  margin-top: 2.4rem;
}

.card,
.case-card,
.contact-card,
.spec-card {
  padding: 1.5rem;
}

.product-card {
  position: relative;
  overflow: hidden;
  padding: 1.7rem;
}

.accent {
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
}

.accent-blue {
  background: linear-gradient(90deg, var(--blue), #6da0ff);
}

.accent-green {
  background: linear-gradient(90deg, var(--green), #63d8b2);
}

.accent-orange {
  background: linear-gradient(90deg, var(--orange), #ffb27f);
}

.card-kicker {
  font-size: 0.72rem;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.09em;
}

.card h3,
.product-card h3,
.case-card h3,
.contact-card h3,
.timeline-item h3 {
  margin: 0.65rem 0 0.7rem;
  font-size: 1.18rem;
  line-height: 1.3;
}

.product-link {
  display: inline-flex;
  margin-top: 1.1rem;
  font-weight: 600;
  color: var(--ink);
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  font-size: 0.74rem;
  color: var(--ink-soft);
  background: #f1efe8;
}

.pill.blue {
  background: var(--blue-soft);
  color: var(--blue);
}

.pill.green {
  background: var(--green-soft);
  color: var(--green);
}

.pill.orange {
  background: var(--orange-soft);
  color: var(--orange);
}

.case-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.8rem;
}

.case-index {
  font-size: 0.76rem;
  color: var(--ink-faint);
}

.case-badge {
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  font-size: 0.7rem;
  background: #efede8;
  color: var(--ink-soft);
}

.case-badge.live {
  background: var(--green-soft);
  color: var(--green);
}

.case-card-wide {
  padding: 1.7rem;
}

.before-after {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}

.timeline {
  display: grid;
  gap: 1rem;
  margin-top: 2.3rem;
}

.timeline-item {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  padding: 1.25rem 0;
  border-top: 1px solid var(--border);
}

.timeline-item strong {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-soft);
  color: var(--ink-soft);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2.4rem;
}

.spec-card strong {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 1rem;
}

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

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
  margin-top: 2.4rem;
}

.form-stack {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
}

.text-input {
  width: 100%;
  padding: 0.88rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  font: inherit;
}

.contact-note-list {
  display: grid;
  gap: 0.65rem;
  margin: 1rem 0 1.2rem;
  color: var(--ink-soft);
}

.flat-list {
  margin: 0;
  padding-left: 1rem;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.6rem;
  padding-bottom: 1.6rem;
  border-top: 1px solid var(--border);
  background: #fff;
  flex-wrap: wrap;
}

.footer-copy {
  color: var(--ink-faint);
  font-size: 0.82rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 4rem;
  }

  .grid-3,
  .spec-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .site-nav,
  .nav-links,
  .nav-actions,
  .hero-actions,
  .footer-links {
    gap: 0.7rem;
  }

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

  .grid-2,
  .grid-3,
  .contact-grid,
  .spec-grid,
  .before-after {
    grid-template-columns: 1fr;
  }

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

  .timeline-item strong {
    width: 40px;
    height: 40px;
  }
}

@media (max-width: 560px) {
  .hero,
  section,
  .site-footer,
  .site-nav {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .hero-line {
    left: 1rem;
    right: 1rem;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .panel-body,
  .card,
  .product-card,
  .case-card,
  .contact-card,
  .spec-card {
    padding: 1.2rem;
  }
}