:root {
  --green: #00C896;
  --green-dim: rgba(0, 200, 150, 0.1);
  --bg: #080808;
  --bg2: #111111;
  --bg3: #1a1a1a;
  --border: #1e1e1e;
  --text: #ffffff;
  --text-muted: #888888;
  --text-dim: #444444;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Mono', monospace;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}
h1, h2, h3 { font-family: 'Syne', sans-serif; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: background 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(8, 8, 8, 0.95);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-text {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.btn-nav {
  padding: 8px 20px !important;
  border: 1px solid var(--border) !important;
  border-radius: 6px;
  font-size: 13px;
  transition: border-color 0.2s, background 0.2s, color 0.2s !important;
}
.btn-nav:hover {
  border-color: var(--green) !important;
  background: var(--green-dim) !important;
  color: var(--green) !important;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: transform 0.3s, opacity 0.3s;
}
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed;
  top: 64px; left: 0; right: 0;
  background: rgba(8, 8, 8, 0.98);
  backdrop-filter: blur(12px);
  z-index: 99;
  border-bottom: 1px solid var(--border);
  transform: translateY(-110%);
  opacity: 0;
  transition: transform 0.3s, opacity 0.3s;
}
.mobile-menu.open { transform: translateY(0); opacity: 1; }
.mobile-menu ul { padding: 24px; }
.mobile-menu li + li { margin-top: 16px; }
.mobile-menu a {
  font-size: 18px;
  font-family: 'Syne', sans-serif;
  color: var(--text-muted);
  transition: color 0.2s;
}
.mobile-menu a:hover { color: var(--green); }

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.4) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
}
.hero-tag { margin-bottom: 24px; }
.tag {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--green);
  text-transform: uppercase;
  border: 1px solid rgba(0, 200, 150, 0.3);
  padding: 6px 14px;
  border-radius: 100px;
}
.hero-title {
  font-size: clamp(48px, 8vw, 88px);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.accent { color: var(--green); }
.hero-desc {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 540px;
  margin-bottom: 40px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}
.btn {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  border-radius: 8px;
  font-family: 'DM Mono', monospace;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--green);
  color: #000;
  border-color: var(--green);
}
.btn-primary:hover {
  background: #00e0aa;
  border-color: #00e0aa;
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover { border-color: var(--green); color: var(--green); }
.btn-full { width: 100%; justify-content: center; }

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.stat-number {
  display: block;
  font-family: 'Syne', sans-serif;
  font-size: 28px;
  font-weight: 800;
  color: var(--green);
}
.stat-label { font-size: 12px; color: var(--text-muted); letter-spacing: 0.04em; }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

/* ── SECTIONS COMMON ── */
section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 16px;
}
.section-tag.center { display: block; text-align: center; }
.section-title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 16px;
}
.section-desc {
  color: var(--text-muted);
  font-size: 16px;
  max-width: 480px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ── SERVICES ── */
.services { background: var(--bg); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.service-card {
  background: var(--bg);
  padding: 40px 32px;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s, transform 0.5s, background 0.3s;
}
.service-card.visible { opacity: 1; transform: translateY(0); }
.service-card:nth-child(2) { transition-delay: 0.05s; }
.service-card:nth-child(3) { transition-delay: 0.1s; }
.service-card:nth-child(4) { transition-delay: 0.15s; }
.service-card:nth-child(5) { transition-delay: 0.2s; }
.service-card:nth-child(6) { transition-delay: 0.25s; }
.service-card:hover { background: var(--bg2); }
.service-icon { margin-bottom: 20px; }
.service-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}
.service-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}
.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
}
.service-tags li {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--green);
  border: 1px solid rgba(0, 200, 150, 0.25);
  padding: 3px 10px;
  border-radius: 4px;
}

/* ── ABOUT ── */
.about { background: var(--bg2); }
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-content .section-tag { display: block; margin-bottom: 16px; }
.about-content p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 16px;
}
.about-pillars {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 32px;
}
.pillar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  opacity: 0;
  transform: translateX(-16px);
  transition: opacity 0.5s, transform 0.5s;
}
.pillar.visible { opacity: 1; transform: translateX(0); }
.pillar:nth-child(2) { transition-delay: 0.1s; }
.pillar:nth-child(3) { transition-delay: 0.2s; }
.pillar-icon { font-size: 20px; flex-shrink: 0; }
.pillar strong {
  display: block;
  font-family: 'Syne', sans-serif;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 2px;
}
.pillar span { font-size: 12px; color: var(--text-muted); }

.about-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}
.spectrum-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  width: 220px;
}
.sg-cell {
  aspect-ratio: 1;
  border-radius: 8px;
  background: var(--green);
  animation: pulse-cell 3s ease-in-out infinite;
}
.sg-1 { opacity: 1;   animation-delay: 0.0s; }
.sg-2 { opacity: 0.8; animation-delay: 0.2s; }
.sg-3 { opacity: 0.6; animation-delay: 0.4s; }
.sg-4 { opacity: 0.7; animation-delay: 0.6s; }
.sg-5 { opacity: 0.4; animation-delay: 0.8s; }
.sg-6 { opacity: 0.9; animation-delay: 1.0s; }
.sg-7 { opacity: 0.3; animation-delay: 1.2s; }
.sg-8 { opacity: 0.5; animation-delay: 1.4s; }
.sg-9 { opacity: 0.15;animation-delay: 1.6s; }
@keyframes pulse-cell {
  0%, 100% { transform: scale(1); filter: brightness(1); }
  50% { transform: scale(1.05); filter: brightness(1.4); }
}
.about-badge { text-align: center; }
.badge-label {
  display: block;
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.badge-value {
  font-family: 'Syne', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--green);
}

/* ── PROCESS ── */
.process { background: var(--bg); }
.process-steps {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.step {
  flex: 1;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s, transform 0.5s;
}
.step.visible { opacity: 1; transform: translateY(0); }
.step:nth-child(3) { transition-delay: 0.1s; }
.step:nth-child(5) { transition-delay: 0.2s; }
.step:nth-child(7) { transition-delay: 0.3s; }
.step-number {
  font-family: 'Syne', sans-serif;
  font-size: 40px;
  font-weight: 800;
  color: var(--border);
  line-height: 1;
  margin-bottom: 20px;
}
.step-content h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}
.step-content p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}
.step-arrow {
  color: var(--green);
  font-size: 24px;
  margin-top: 8px;
  flex-shrink: 0;
}

/* ── TECH MARQUEE ── */
.techstack {
  padding: 60px 0;
  background: var(--bg2);
  overflow: hidden;
}
.tech-marquee {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}
.tech-track {
  display: flex;
  width: max-content;
  animation: marquee 30s linear infinite;
}
@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.tech-item {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  padding: 0 32px;
  white-space: nowrap;
  border-right: 1px solid var(--border);
  line-height: 2.5;
  transition: color 0.3s;
}
.tech-item:hover { color: var(--green); }

/* ── CONTACT ── */
.contact { background: var(--bg); }
.contact-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 64px;
}
.contact-content .section-tag { display: block; margin-bottom: 16px; }
.contact-content p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 24px;
}
.contact-link {
  color: var(--green);
  font-size: 14px;
  border-bottom: 1px solid rgba(0, 200, 150, 0.3);
  padding-bottom: 2px;
  transition: border-color 0.2s;
}
.contact-link:hover { border-color: var(--green); }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  color: var(--text);
  font-family: 'DM Mono', monospace;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
  appearance: none;
}
.form-group select { cursor: pointer; }
.form-group select option { background: var(--bg3); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--green); }
.form-group textarea { resize: vertical; }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dim); }
.form-success { text-align: center; padding: 48px 24px; }
.form-success .check {
  display: block;
  font-size: 36px;
  color: var(--green);
  margin-bottom: 16px;
}
.form-success p { color: var(--text-muted); font-size: 15px; }

/* ── FOOTER ── */
.footer {
  padding: 48px 0;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}
.footer-tagline { font-size: 13px; color: var(--text-dim); letter-spacing: 0.06em; }
.footer-links { display: flex; gap: 32px; }
.footer-links a {
  font-size: 13px;
  color: var(--text-dim);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--green); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  width: 100%;
  font-size: 12px;
  color: var(--text-dim);
  flex-wrap: wrap;
}
.footer-socials { display: flex; gap: 16px; }
.footer-socials a { color: var(--text-dim); transition: color 0.2s; }
.footer-socials a:hover { color: var(--green); }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .menu-toggle { display: flex; }
  .mobile-menu { display: block; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .about-inner { grid-template-columns: 1fr; gap: 48px; }
  .about-visual { display: none; }
  .process-steps { flex-direction: column; }
  .step-arrow { transform: rotate(90deg); align-self: flex-start; margin-left: 8px; }
  .contact-box { grid-template-columns: 1fr; gap: 48px; padding: 40px 32px; }
}

@media (max-width: 600px) {
  .services-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 16px; }
  .stat-divider { width: 40px; height: 1px; }
  .contact-box { padding: 32px 20px; }
  section { padding: 72px 0; }
}