/* ============================================================
   GL-Technics v2 — Argent Stylesheet
   Pure black canvas · Platinum silver accents
   Syne headlines · Inter body
   ============================================================ */

/* ── Variables ───────────────────────────────────────────── */
:root {
  --bg-dark:          #080808;
  --bg-secondary:     #0c0c0c;
  --accent-primary:   #c4d0dc;
  --accent-secondary: #eef1f5;
  --text-primary:     #eef1f5;
  --text-muted:       #5a6a7a;
  --surface:          #111214;
  --surface-hover:    #181b20;
  --border:           rgba(196, 208, 220, 0.10);
  --border-hover:     rgba(196, 208, 220, 0.28);

  --font-heading: 'Syne', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  14px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.65;
  overflow-x: hidden;
}
img, svg { display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, textarea, select { font-family: inherit; }

/* ── Layout helpers ──────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
}
.section { padding: 110px 0; }
.section-alt { background: var(--bg-secondary); }

/* ── Reveal animation ────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Section heading ─────────────────────────────────────── */
.section-headline {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
  color: var(--text-primary);
}
.section-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 580px;
  line-height: 1.7;
  margin-bottom: 56px;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn-primary {
  background: var(--accent-primary);
  color: #080808;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary:hover {
  background: var(--accent-secondary);
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-hover);
  padding: 13px 32px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-outline:hover {
  border-color: var(--accent-primary);
  color: var(--text-primary);
  transform: translateY(-1px);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
#main-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0;
  transition: var(--transition);
}
#main-nav.scrolled {
  background: rgba(8, 8, 8, 0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(196, 208, 220, 0.08);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.nav-logo-symbol svg {
  width: 40px;
  height: 40px;
}
.nav-logo-text {
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-primary);
}

/* Nav menu */
#nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}
.nav-link {
  padding: 8px 14px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 400;
  font-family: var(--font-body);
  color: var(--text-muted);
  transition: var(--transition);
  white-space: nowrap;
  letter-spacing: 0.04em;
}
.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: var(--surface);
}

/* Lang switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 16px;
}
.lang-btn {
  padding: 5px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  font-family: var(--font-body);
  letter-spacing: 0.06em;
  color: var(--text-muted);
  transition: var(--transition);
}
.lang-btn:hover { color: var(--text-primary); background: var(--surface); }
.lang-btn.active { color: var(--accent-primary); background: rgba(196, 208, 220, 0.08); }

/* CTA in nav */
.nav-cta { margin-left: 12px; }

/* Hide the in-menu lang-switcher on desktop */
#nav-menu .lang-switcher { display: none; }
@media (max-width: 768px) {
  #nav-menu .lang-switcher { display: flex; }
  #lang-desktop            { display: none !important; }
}

/* Hamburger */
#nav-toggle {
  display: none;
  color: var(--text-primary);
  padding: 8px;
}

/* ============================================================
   HERO
   ============================================================ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
#hero-neural-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(8,8,8,0.18) 0%, rgba(8,8,8,0.72) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 80px;
  max-width: 820px;
}
.hero-headline {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
  color: var(--text-primary);
}
.hero-headline .line-gradient {
  font-weight: 800;
  color: var(--accent-primary);
}
.hero-sub {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--text-muted);
  max-width: 540px;
  line-height: 1.75;
  margin-bottom: 44px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ============================================================
   SECTION DIVIDERS
   ============================================================ */
.glow-line {
  border-top: 1px solid var(--border);
  height: 0;
}

/* ============================================================
   SERVICES
   ============================================================ */
#services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: var(--transition);
}
.service-card:hover {
  border-color: var(--border-hover);
  background: var(--surface-hover);
  transform: translateY(-2px);
}
.service-icon {
  width: 48px;
  height: 48px;
  background: rgba(196, 208, 220, 0.06);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  margin-bottom: 20px;
  padding: 12px;
}
.service-icon svg { width: 24px; height: 24px; }
.service-tag {
  display: inline-block;
  background: var(--surface-hover);
  border: 1px solid var(--border);
  color: var(--accent-primary);
  font-size: 11px;
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 14px;
}
.service-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 400;
  margin-bottom: 10px;
  letter-spacing: 0.01em;
}
.service-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ============================================================
   NEURAL SECTION
   ============================================================ */
#neural {
  position: relative;
  overflow: hidden;
  padding: 0;
  min-height: 600px;
  display: flex;
  align-items: center;
  background: var(--bg-dark);
}
#neural-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.neural-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(8,8,8,0.88) 45%, rgba(8,8,8,0.2) 100%);
  pointer-events: none;
}
.neural-content {
  position: relative;
  z-index: 2;
  padding: 100px 0;
  max-width: 520px;
}
.neural-headline {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: 0.01em;
  margin-bottom: 20px;
}
.neural-sub {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 48px;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 340px;
}
.stat-item {
  background: rgba(17, 18, 20, 0.8);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
}
.stat-value {
  font-family: var(--font-body);
  font-size: 2rem;
  font-weight: 300;
  color: var(--accent-secondary);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0.04em;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-text p {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}
.about-text p:last-child { margin-bottom: 0; }
#about-values {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.value-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.value-check {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(196, 208, 220, 0.07);
  border: 1px solid rgba(196, 208, 220, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.value-item strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 400;
  margin-bottom: 4px;
  letter-spacing: 0.01em;
}
.value-item p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================================
   PORTFOLIO — WEB
   ============================================================ */
.portfolio-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--border);
}
.tab-btn {
  padding: 10px 24px;
  border-radius: 0;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  border: none;
  border-bottom: 2px solid transparent;
  background: transparent;
  transition: var(--transition);
  margin-bottom: -1px;
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active {
  color: var(--text-primary);
  border-bottom-color: var(--accent-primary);
}
#portfolio-web-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.portfolio-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}
.portfolio-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}
.portfolio-thumb {
  background: var(--bg-secondary);
  overflow: hidden;
  line-height: 0;
}
.portfolio-thumb svg { width: 100%; height: auto; }
.portfolio-body { padding: 20px 22px 24px; }
.portfolio-label {
  font-size: 11px;
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--accent-primary);
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}
.portfolio-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 400;
  margin-bottom: 8px;
}
.portfolio-desc {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 14px;
}
.portfolio-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.ptag {
  background: rgba(196, 208, 220, 0.05);
  border: 1px solid rgba(196, 208, 220, 0.12);
  color: var(--text-muted);
  font-size: 11px;
  font-family: var(--font-mono);
  padding: 3px 10px;
  border-radius: 4px;
}

/* ============================================================
   PORTFOLIO — AUTOMATION
   ============================================================ */
#portfolio-auto-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.flow-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}
.flow-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}
.flow-diagram {
  background: var(--bg-secondary);
  padding: 20px 12px 16px;
  border-bottom: 1px solid var(--border);
  line-height: 0;
}
.flow-diagram svg { width: 100%; height: auto; }
.flow-body { padding: 20px 22px 24px; }
.flow-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 400;
  margin-bottom: 10px;
}
.flow-desc {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 14px;
}
.flow-saving {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--accent-primary);
  background: rgba(196, 208, 220, 0.06);
  border: 1px solid rgba(196, 208, 220, 0.14);
  padding: 5px 12px;
  border-radius: 100px;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}
.contact-info h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: 0.01em;
  margin-bottom: 16px;
}
.contact-info p {
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 36px;
}
.contact-meta {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-meta-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.9rem;
}
.contact-meta-icon {
  width: 36px;
  height: 36px;
  background: rgba(196, 208, 220, 0.06);
  border: 1px solid var(--border);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  flex-shrink: 0;
}

/* Form */
#contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 16px;
}
.form-group label {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.form-group input,
.form-group textarea,
.form-group select {
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 12px 14px;
  font-size: 14px;
  transition: var(--transition);
  outline: none;
  width: 100%;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent-primary);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select option { background: var(--bg-dark); }
.form-submit { width: 100%; justify-content: center; margin-top: 8px; }

#form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 48px 32px;
  gap: 16px;
}
.success-icon {
  width: 64px;
  height: 64px;
  background: rgba(196, 208, 220, 0.08);
  border: 2px solid var(--accent-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
#success-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 300;
}
#success-msg {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ============================================================
   FOOTER
   ============================================================ */
#footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 56px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}
.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-tagline {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 280px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-copy {
  color: var(--text-muted);
  font-size: 0.82rem;
}
.footer-legal-links {
  display: flex;
  gap: 20px;
}
.footer-legal-links a {
  color: var(--text-muted);
  font-size: 0.82rem;
  text-decoration: none;
  transition: var(--transition);
}
.footer-legal-links a:hover { color: var(--accent-primary); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .about-grid   { grid-template-columns: 1fr; gap: 48px; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 768px) {
  .section { padding: 80px 0; }

  /* Mobile nav */
  #nav-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: rgba(8, 8, 8, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 16px 28px 24px;
    gap: 4px;
    align-items: flex-start;
  }
  #nav-menu.open { display: flex; }
  .nav-link { font-size: 15px; padding: 10px 12px; }
  .lang-switcher { margin-left: 0; padding: 8px 12px 0; border-top: 1px solid var(--border); width: 100%; }
  .nav-cta { display: none; }
  #nav-toggle { display: flex; }

  .hero-headline { letter-spacing: -0.5px; }
  .hero-actions  { flex-direction: column; align-items: flex-start; }

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

  .footer-grid   { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }

  #services-grid       { grid-template-columns: 1fr 1fr; }
  #portfolio-web-grid  { grid-template-columns: 1fr; }
  #portfolio-auto-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .container     { padding: 0 18px; }
  #services-grid { grid-template-columns: 1fr; }
  .stats-grid    { grid-template-columns: 1fr 1fr; }
}

/* ── Privacy Page ─────────────────────────────────────────── */
.privacy-main { padding: 120px 0 80px; min-height: 100vh; }
.privacy-header { margin-bottom: 56px; }
.privacy-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-primary);
  font-size: 0.9rem;
  font-weight: 400;
  margin-bottom: 40px;
  transition: var(--transition);
}
.privacy-back:hover { color: var(--accent-secondary); }
.privacy-section {
  margin-bottom: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}
.privacy-section:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.privacy-section h2 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--accent-primary);
  margin-bottom: 14px;
}
.privacy-section p { color: var(--text-muted); line-height: 1.8; margin-bottom: 12px; }
.privacy-section p:last-child { margin-bottom: 0; }
.privacy-address {
  font-style: normal;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin: 14px 0;
  color: var(--text-primary);
  line-height: 2;
  font-size: 0.95rem;
}
.privacy-list { list-style: none; margin: 12px 0; }
.privacy-list li {
  padding: 6px 0 6px 20px;
  position: relative;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}
.privacy-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
}
.privacy-last-updated {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 10px;
}

/* ─── CMS Edit Mode ────────────────────────────────────── */
.cms-editmode [contenteditable]:hover {
  outline: 2px solid rgba(42, 95, 212, 0.6);
  outline-offset: 2px;
  cursor: text;
  border-radius: 2px;
}
.cms-editmode [contenteditable]:focus {
  outline: 2px solid #2a5fd4;
  outline-offset: 2px;
  background: rgba(42, 95, 212, 0.08);
  border-radius: 2px;
}