/* ─── Variables ─────────────────────────────────────────────── */
:root {
  --bg:          #070c18;
  --bg2:         #0d1424;
  --bg3:         #111c32;
  --border:      rgba(255,255,255,0.07);
  --border-h:    rgba(59,130,246,0.35);
  --primary:     #3b82f6;
  --cyan:        #06b6d4;
  --purple:      #8b5cf6;
  --green:       #10b981;
  --text:        #e2e8f0;
  --muted:       #94a3b8;
  --subtle:      #475569;
  --card:        rgba(13,20,36,0.7);
  --radius:      14px;
  --nav-h:       68px;
  --transition:  .25s cubic-bezier(.4,0,.2,1);
}

/* ─── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul[role="list"] { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
.mono { font-family: 'JetBrains Mono', monospace; }

/* ─── Layout ─────────────────────────────────────────────────── */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 100px 0; }
@media (max-width: 768px) { .section { padding: 72px 0; } }

/* ─── Gradient text ──────────────────────────────────────────── */
.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 10px;
  font-size: .95rem;
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 0 0 0 rgba(59,130,246,0);
}
.btn-primary:hover {
  background: #2563eb;
  box-shadow: 0 0 24px rgba(59,130,246,0.35);
  transform: translateY(-1px);
}
.btn-outline {
  border: 1.5px solid var(--border);
  color: var(--muted);
}
.btn-outline:hover {
  border-color: var(--border-h);
  color: var(--text);
  background: rgba(59,130,246,0.06);
}

/* ─── Tags ────────────────────────────────────────────────────── */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}
.tags span {
  font-family: 'JetBrains Mono', monospace;
  font-size: .72rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.15);
  color: var(--muted);
  letter-spacing: .02em;
}

/* ─── Eyebrow + Section Header ────────────────────────────────── */
.eyebrow {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 12px;
}
.section-hdr {
  text-align: center;
  margin-bottom: 56px;
}
.section-hdr h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -.02em;
  margin-bottom: 12px;
}
.section-hdr p {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 480px;
  margin: 0 auto;
}

/* ─── Nav ──────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background var(--transition), border-color var(--transition);
}
.nav.scrolled {
  background: rgba(7,12,24,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-mark { color: var(--primary); }
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.logo-name {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -.01em;
}
.logo-sub {
  font-size: .68rem;
  color: var(--muted);
  letter-spacing: .06em;
  text-transform: uppercase;
  font-weight: 500;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--muted);
  transition: all var(--transition);
}
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.nav-actions { display: flex; align-items: center; gap: 16px; }
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px 6px;
}
.lang-btn {
  font-size: .78rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 5px;
  color: var(--subtle);
  transition: all var(--transition);
  letter-spacing: .05em;
}
.lang-btn.active {
  background: var(--primary);
  color: #fff;
}
.lang-btn:not(.active):hover { color: var(--muted); }
.lang-sep { width: 1px; height: 14px; background: var(--border); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: 8px;
  transition: background var(--transition);
}
.hamburger:hover { background: rgba(255,255,255,0.05); }
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--muted);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── Hero ──────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59,130,246,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .35;
}
.orb-1 {
  width: 600px; height: 600px;
  top: -200px; right: -100px;
  background: radial-gradient(circle, rgba(59,130,246,0.4) 0%, transparent 70%);
}
.orb-2 {
  width: 400px; height: 400px;
  bottom: -100px; left: -100px;
  background: radial-gradient(circle, rgba(6,182,212,0.3) 0%, transparent 70%);
}
.hero-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 64px;
  padding-top: 40px;
  padding-bottom: 80px;
}
.hero-content {
  flex: 1;
  max-width: 560px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: .82rem;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 14px 6px 10px;
  margin-bottom: 28px;
  background: rgba(255,255,255,0.02);
}
.badge-pulse {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(16,185,129,0.6);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16,185,129,0.5); }
  50%       { box-shadow: 0 0 0 6px rgba(16,185,129,0); }
}
.hero-title {
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.03em;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 1.08rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 500px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* Pipeline visual */
.hero-visual {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.pipeline {
  display: flex;
  align-items: center;
  gap: 0;
  background: rgba(13,20,36,0.6);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px 24px;
  backdrop-filter: blur(12px);
}
.pipe-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 0 6px;
}
.pipe-icon {
  width: 44px; height: 44px;
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: 12px;
  padding: 10px;
  color: var(--primary);
  transition: all var(--transition);
}
.pipe-node:hover .pipe-icon {
  background: rgba(59,130,246,0.18);
  border-color: rgba(59,130,246,0.45);
  box-shadow: 0 0 16px rgba(59,130,246,0.25);
}
.pipe-node span {
  font-size: .68rem;
  color: var(--subtle);
  font-weight: 500;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.pipe-connector {
  width: 52px;
  height: 2px;
  background: rgba(59,130,246,0.12);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}
.pipe-flow {
  position: absolute;
  height: 100%;
  width: 50%;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  animation: flow 1.8s linear infinite;
  animation-delay: var(--delay, 0s);
}
@keyframes flow { from { left: -50%; } to { left: 150%; } }
.pipeline-label {
  font-size: .72rem;
  color: var(--subtle);
  letter-spacing: .06em;
  opacity: .6;
}

/* ─── Cards (Services) ──────────────────────────────────────────── */
.services { background: var(--bg2); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 12px;
  backdrop-filter: blur(8px);
}
.card:hover {
  border-color: var(--border-h);
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.4), 0 0 0 1px rgba(59,130,246,0.08);
}
.card-icon {
  width: 48px; height: 48px;
  background: color-mix(in srgb, var(--icon-color) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--icon-color) 25%, transparent);
  border-radius: 12px;
  padding: 11px;
  color: var(--icon-color);
}
.card h3 {
  font-size: 1.08rem;
  font-weight: 600;
  letter-spacing: -.01em;
}
.card p {
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.65;
  flex: 1;
}

/* ─── Expertise ─────────────────────────────────────────────────── */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}
.tech-cat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  backdrop-filter: blur(8px);
  transition: border-color var(--transition);
}
.tech-cat:hover { border-color: rgba(59,130,246,0.2); }
.tech-cat h4 {
  font-size: .78rem;
  color: var(--primary);
  margin-bottom: 14px;
  letter-spacing: .06em;
}

/* ─── About ─────────────────────────────────────────────────────── */
.about { background: var(--bg2); }
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.about-text { display: flex; flex-direction: column; gap: 0; }
.about-text h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -.02em;
  margin-bottom: 20px;
}
.about-text p {
  color: var(--muted);
  line-height: 1.75;
  font-size: .97rem;
  margin-bottom: 16px;
}
.about-meta {
  margin-top: 28px;
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.meta-row { display: flex; gap: 16px; align-items: baseline; }
.meta-lbl {
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--subtle);
  width: 90px;
  flex-shrink: 0;
}
.meta-val { font-size: .9rem; color: var(--muted); }
.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  backdrop-filter: blur(8px);
  transition: all var(--transition);
}
.stat-card:hover {
  border-color: rgba(59,130,246,0.3);
  transform: translateY(-2px);
}
.stat-num {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -.04em;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-lbl {
  font-size: .8rem;
  color: var(--subtle);
  line-height: 1.4;
}

/* ─── Contact ─────────────────────────────────────────────────────── */
.contact-cards {
  display: flex;
  justify-content: center;
  gap: 20px;
}
.contact-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  backdrop-filter: blur(8px);
  transition: all var(--transition);
  max-width: 420px;
  width: 100%;
}
a.contact-card:hover {
  border-color: color-mix(in srgb, var(--c) 45%, transparent);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.35);
}
.contact-icon {
  width: 48px; height: 48px;
  background: color-mix(in srgb, var(--c) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--c) 25%, transparent);
  border-radius: 12px;
  padding: 12px;
  color: var(--c);
  margin-bottom: 4px;
}
.clbl {
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--subtle);
}
.cval {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
  word-break: break-all;
}

/* ─── Clients row ─────────────────────────────────────────────────── */
.clients-row {
  margin-top: 56px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
  text-align: center;
}
.clients-row .eyebrow { display: block; margin-bottom: 24px; }
.client-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}
.client-badge {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 28px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: .01em;
  transition: all var(--transition);
}
.client-badge:hover {
  border-color: rgba(59,130,246,0.25);
  color: var(--text);
  background: rgba(59,130,246,0.05);
}

/* ─── Footer ──────────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 36px 0;
  background: var(--bg);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: .9rem;
  font-weight: 500;
}
.footer-logo svg { color: var(--primary); }
.footer-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .82rem;
  color: var(--subtle);
  font-family: 'JetBrains Mono', monospace;
}
.footer-copy { font-size: .82rem; color: var(--subtle); }

/* ─── Reveal animation ────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.reveal:nth-child(2) { transition-delay: .1s; }
.reveal:nth-child(3) { transition-delay: .2s; }
.reveal:nth-child(4) { transition-delay: .3s; }

/* ─── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .about-inner { grid-template-columns: 1fr; gap: 40px; }
  .about-stats { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 840px) {
  .hero-inner { flex-direction: column; text-align: center; padding-top: 60px; }
  .hero-content { max-width: 100%; }
  .hero-actions { justify-content: center; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-badge { justify-content: center; }
  .contact-cards { flex-direction: column; align-items: center; }
  .pipeline { gap: 0; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    background: rgba(7,12,24,0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px 24px;
    gap: 2px;
    transform: translateY(-110%);
    opacity: 0;
    transition: transform var(--transition), opacity var(--transition);
    pointer-events: none;
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links a {
    width: 100%;
    padding: 12px 16px;
    font-size: 1.05rem;
  }
  .hamburger { display: flex; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: 1fr 1fr; }
  .footer-inner { flex-direction: column; align-items: center; text-align: center; }
  .footer-meta { flex-wrap: wrap; justify-content: center; }
}

@media (max-width: 480px) {
  .pipeline { flex-wrap: wrap; justify-content: center; gap: 12px; padding: 20px; }
  .pipe-connector { display: none; }
  .tech-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
}