:root {
  --bg: #212121;
  --surface: #2b3640;
  --border: #455A64;
  --accent: #607D8B;
  --accent2: #CFD8DC;
  --text: #FFFFFF;
  --muted: #9E9E9E;
  --grid: rgba(96,125,139,0.06);
}

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

/* Accessibility */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; top: -100%; left: 1rem; background: var(--accent); color: #fff; padding: 0.75rem 1.5rem; z-index: 1001; font-family: 'DM Mono', monospace; font-size: 0.85rem; text-decoration: none; }
.skip-link:focus { top: 1rem; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

/* Grid background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 4rem;
  background: rgba(33,33,33,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  text-decoration: none;
}
.nav-logo img {
  height: 22px;
  width: auto;
}
.nav-logo-text {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.45rem;
  letter-spacing: 0.04em;
  color: var(--text);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}
.nav-links a {
  font-family: 'DM Mono', monospace;
  font-size: 0.78rem;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent); }
.nav-links .nav-lang-mobile { display: none; }

.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 101;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-hamburger.active span:nth-child(2) {
  opacity: 0;
}
.nav-hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.nav-cta {
  font-family: 'DM Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--accent);
  color: #FFFFFF;
  border: none;
  padding: 0.6rem 1.4rem;
  cursor: pointer;
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.2s;
}
.nav-cta:hover { opacity: 0.85; }

.nav-lang {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.nav-lang a {
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color 0.2s;
  padding: 0.2rem 0.3rem;
}
.nav-lang a:hover { color: var(--accent); }
.nav-lang a.active { color: var(--text); border-bottom: 1px solid var(--accent); }
.nav-lang-sep { color: var(--border); font-size: 0.68rem; }

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 4rem 4rem;
  z-index: 1;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(96,125,139,0.12) 0%, transparent 70%);
  top: 10%; left: 55%;
  pointer-events: none;
}
.hero-glow2 {
  position: absolute;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(207,216,220,0.06) 0%, transparent 70%);
  bottom: 10%; left: 30%;
  pointer-events: none;
}

.hero-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.hero-label::before {
  content: '';
  display: inline-block;
  width: 32px; height: 1px;
  background: var(--accent);
}

.hero h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: clamp(3rem, 6vw, 5.5rem);
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin-bottom: 2rem;
  max-width: 700px;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
  position: relative;
  display: inline-block;
}

.hero-body {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 520px;
  margin-bottom: 3rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.btn-primary {
  font-family: 'DM Mono', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--accent);
  color: #FFFFFF;
  border: none;
  padding: 0.9rem 2rem;
  cursor: pointer;
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.2s, transform 0.2s;
}
.btn-primary:hover { opacity: 0.85; transform: translateY(-1px); }

.btn-ghost {
  font-family: 'DM Mono', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 0.9rem 2rem;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.hero-stats {
  position: absolute;
  right: 4rem;
  bottom: 4rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.stat-item {
  text-align: right;
}
.stat-num {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 2.2rem;
  color: var(--text);
  letter-spacing: -0.03em;
  line-height: 1;
}
.stat-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 0.25rem;
}

/* ── BADGE BAR ── */
.badge-bar {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  padding: 2rem 4rem;
  position: relative;
  z-index: 1;
}
.badge-bar-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}
.badge-bar-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.badge-bar-item img {
  height: 56px;
  width: auto;
}
.badge-bar-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  max-width: 120px;
  line-height: 1.4;
}

/* ── SECTIONS ── */
section {
  position: relative;
  z-index: 1;
}

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 4rem;
}

.section-tag {
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  color: var(--accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: clamp(2rem, 3.5vw, 3rem);
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

/* ── SERVICES ── */
#services { background: transparent; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-top: 4rem;
}

.service-card {
  background: var(--surface);
  padding: 3rem 2.5rem;
  transition: background 0.3s;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s;
}
.service-card:hover { background: #344550; }
.service-card:hover::before { transform: scaleX(1); }

.service-num {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  margin-bottom: 1.75rem;
}
.service-icon {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  line-height: 1;
}
.service-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1.25rem;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}
.service-desc {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.75;
}

/* ── SOLUTIONS ── */
#solutions {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.solutions-intro {
  color: var(--muted);
  max-width: 600px;
  margin-bottom: 3rem;
  font-size: 1rem;
  line-height: 1.8;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.solution-card {
  background: var(--surface);
  padding: 2.5rem;
  transition: background 0.3s;
}
.solution-card:hover { background: #344550; }

.solution-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.solution-desc {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ── HOW WE WORK ── */
#process {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.process-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
  margin-top: 3rem;
}

.process-desc {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.9;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.step {
  display: flex;
  gap: 1.5rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}
.step:first-child { border-top: 1px solid var(--border); }
.step-num {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  min-width: 2.5rem;
  padding-top: 0.2rem;
}
.step-content {}
.step-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.35rem;
}
.step-text {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.6;
}

/* ── TECH ── */
#tech {}

.tech-intro {
  color: var(--muted);
  max-width: 600px;
  margin-bottom: 3rem;
  font-size: 1rem;
  line-height: 1.8;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.tech-badge {
  background: var(--surface);
  padding: 1.5rem;
  text-align: center;
  transition: background 0.2s;
}
.tech-badge:hover { background: #344550; }
.tech-badge-name {
  font-family: 'DM Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--text);
}
.tech-badge-role {
  font-size: 0.7rem;
  color: var(--muted);
  margin-top: 0.3rem;
}

/* ── CONTACT ── */
#contact {
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.contact-desc {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.9;
  margin-bottom: 2.5rem;
}

.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.contact-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.contact-item-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  min-width: 80px;
  padding-top: 0.15rem;
}
.contact-item-value {
  font-size: 0.92rem;
  color: var(--text);
}
.contact-item-value a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.2s;
}
.contact-item-value a:hover { color: var(--accent); }

/* ── CONTACT FORM ── */
.contact-form-box {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 2.5rem;
  margin-top: 3rem;
}
.contact-form-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.contact-input {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  padding: 1.1rem 1.25rem;
  outline: none;
  transition: border-color 0.2s;
}
.contact-input:focus { border-color: var(--accent); }
.contact-textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  padding: 1.1rem 1.25rem;
  outline: none;
  resize: vertical;
  transition: border-color 0.2s;
}
.contact-textarea:focus { border-color: var(--accent); }

/* ── ABOUT ── */
#about {
  border-top: 1px solid var(--border);
}

.about-content {
  max-width: 720px;
}

.about-text {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.9;
  margin-bottom: 1.5rem;
}

.about-values {
  display: flex;
  gap: 2rem;
  margin-top: 2.5rem;
}

.about-value {
  flex: 1;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.about-value-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.35rem;
}

.about-value-text {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.6;
}

/* ── FOOTER ── */
footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 2rem 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.footer-logo img {
  height: 24px;
  width: auto;
  opacity: 0.6;
}
.footer-logo-text {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
}
.footer-copy {
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}

/* ── ANIMATIONS ── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: none;
}

/* ── RESPONSIVE ── */
@media (max-width: 1080px) {
  nav { padding: 1.25rem 2rem; }
  .nav-hamburger { display: block; }
  .nav-cta { display: none; }
  .nav-lang { display: none; }
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: #212121;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    z-index: 999;
  }
  .nav-links.open { display: flex; }
  .nav-links .nav-lang-mobile {
    display: flex !important;
    gap: 1.2rem;
    list-style: none;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
  }
  .nav-lang-mobile a {
    font-family: 'DM Mono', monospace;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    color: var(--muted);
    text-decoration: none;
  }
  .nav-lang-mobile a.active { color: var(--text); border-bottom: 1px solid var(--accent); }
  .nav-hamburger { z-index: 1000; }
  .nav-links a {
    font-size: 1rem;
    letter-spacing: 0.12em;
    color: var(--text);
  }
  .hero { padding: 8rem 2rem 14rem; }
  .hero-stats { right: 2rem; bottom: 2rem; flex-direction: row; gap: 2rem; }
  .section-inner { padding: 4rem 2rem; }
  .services-grid, .solutions-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-badge { padding: 0.9rem 0.6rem; }
  .tech-badge-name { font-size: 0.7rem; }
  .tech-badge-role { font-size: 0.6rem; }
  .process-grid, .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  footer { flex-direction: column; gap: 1rem; padding: 2rem; }
  .about-values { flex-direction: column; gap: 1.5rem; }
}