/* Shared styles for VladLABS service landing pages.
   Design tokens/components copied from index.html to keep visual identity
   consistent. English-only (no i18n) — these are single-language SEO pages. */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  color-scheme: light;
  --bg:       #FFFFFF;
  --bg2:      #EFF3F7;
  --tile-bg:  #FFFFFF;
  --border:   #E4E0E1;
  --text:     #121216;
  --num:      #242427;
  --muted:    #777071;
  --accent:   #F3124A;
  --accent-l: #E8ECF0;
  --success:   #16A34A;
  --success-l: #E6F4EA;
  --shadow-rgb: 25, 23, 53;
  --inverse:  #121216;
  --mono:     'DM Mono', monospace;
  --sans:     'DM Sans', 'Noto Sans JP', sans-serif;
  --section-pad: 4.5rem;
}

html.dark {
  color-scheme: dark;
  --bg:       #15161B;
  --bg2:      #1D1E25;
  --tile-bg:  #131316;
  --border:   #2E2F37;
  --text:     #F2F0F1;
  --num:      #F2F0F1;
  --muted:    #9B959D;
  --accent-l: #2A1620;
  --success:   #34D399;
  --success-l: #123023;
  --shadow-rgb: 0, 0, 0;
  --inverse:  #0B0B0F;
}

html { scroll-behavior: smooth; overflow-x: hidden; max-width: 100%; color-scheme: light; forced-color-adjust: none; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  max-width: 100%;
  color-scheme: light;
  forced-color-adjust: none;
}

a { text-decoration: none; }

/* ─── NAV ─────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 3rem;
  background: var(--inverse);
  border-bottom: 1px solid var(--inverse);
}

.nav-logo {
  font-family: var(--mono);
  font-size: 0.95rem;
  font-weight: 500;
  color: #fff;
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: baseline;
  gap: 0.6rem;
}

.nav-logo-sep { color: var(--accent); font-weight: 400; }

.nav-logo-tagline {
  color: #D9D5D6;
  font-weight: 400;
  font-size: 0.8rem;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.nav-right { display: flex; align-items: center; gap: 1.25rem; }

.dark-toggle {
  background: rgba(255,255,255,0.08);
  color: #fff;
  border: none;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  cursor: pointer;
  border-radius: 2px;
  flex-shrink: 0;
}
.dark-toggle:hover { background: rgba(255,255,255,0.16); }

.nav-cta {
  background: var(--accent);
  color: #fff;
  padding: 0.5rem 1.2rem;
  font-size: 0.85rem;
  transition: background 0.18s;
}
.nav-cta:hover { background: #C20E3B; }

.nav-back {
  color: #D9D5D6;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  transition: color 0.18s;
}
.nav-back:hover { color: #fff; }

.nav-portal {
  color: #fff;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.85;
  transition: opacity 0.18s, color 0.18s;
}
.nav-portal:hover { opacity: 1; color: var(--accent); }

.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  background: rgba(255,255,255,0.08);
  padding: 3px;
  border-radius: 2px;
}
.lang-switch-item {
  padding: 5px 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  border-radius: 1px;
  transition: background 0.18s, color 0.18s;
}
.lang-switch-item:hover { color: #fff; }
.lang-switch-item.active { background: var(--accent); color: #fff; }

/* ─── HERO (service page variant, single column) ──── */
.svc-hero {
  padding: 8.5rem 3rem 3.5rem;
  border-bottom: 1px solid var(--border);
  max-width: 1200px;
  margin: 0 auto;
}
.svc-breadcrumb {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
  letter-spacing: 0.02em;
}
.svc-breadcrumb a { color: var(--muted); }
.svc-breadcrumb a:hover { color: var(--accent); }

.svc-title {
  font-size: clamp(2rem, 4.2vw, 56px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  max-width: 20ch;
  margin-bottom: 1.5rem;
}
.svc-title .accent { color: var(--accent); }

.svc-sub {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 62ch;
  line-height: 1.75;
  font-weight: 300;
  margin-bottom: 2.25rem;
}

.svc-hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ─── ILLUSTRATION ────────────────────────── */
/* Standardized image slot for service pages. Each service supplies a
   light- and dark-background JPG pair (same content, matching bg color
   for its theme) - swapped via the existing html.dark class, same
   mechanism the dark-mode toggle already uses. No frame/background of
   our own needed since each image already carries the right one.
   Sits above .svc-hero (before the title/copy), so it carries the fixed-
   nav top clearance instead of .svc-hero - the adjacent-sibling rule
   below shrinks .svc-hero's own top padding when it follows this block,
   without touching .svc-hero for the other pages that don't have one yet. */
.svc-illustration-wrap { padding: 8.5rem 3rem 0; max-width: 1200px; margin: 0 auto; }
.svc-illustration-wrap + .svc-hero { padding-top: 2.5rem; }
.svc-illustration {
  max-width: 840px; /* 70% of the 1200px content width */
  margin: 0 auto;
  border-radius: 4px;
  overflow: hidden;
}
.svc-illustration img {
  width: 100%;
  height: auto;
  display: block;
}
@media (max-width: 900px) {
  .svc-illustration-wrap { padding: 7rem 1.5rem 0; }
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #C20E3B; }

/* ─── TICKER ──────────────────────────────── */
.ticker-wrap {
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  background: var(--inverse);
  max-width: 100%;
}
.ticker-track { display: flex; width: max-content; animation: ticker 22s linear infinite; }
.ticker-track:hover { animation-play-state: paused; }
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.ticker-item {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 0 2rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  white-space: nowrap;
}
.ticker-dot { width: 5px; height: 5px; background: var(--accent); border-radius: 50%; flex-shrink: 0; }

/* ─── SECTIONS ────────────────────────────── */
.section { padding: var(--section-pad) 3rem; border-bottom: 1px solid var(--border); }
.section-inner { max-width: 1200px; margin: 0 auto; }
.services-bg { background: var(--bg2); }

.section-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 38px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 2.25rem;
}

.svc-body { font-size: 1.02rem; color: var(--muted); line-height: 1.85; font-weight: 300; max-width: 800px; }
.svc-body p + p { margin-top: 1.25rem; }
.svc-body ul { margin: 1.25rem 0 1.25rem 1.25rem; }
.svc-body li { margin-bottom: 0.6rem; }
.svc-body strong { color: var(--text); font-weight: 600; }
.svc-body a, .faq-answer a {
  color: var(--accent);
  border-bottom: 1px solid rgba(var(--shadow-rgb), 0.3);
  transition: border-color 0.18s;
}
.svc-body a:hover, .faq-answer a:hover { border-color: var(--accent); }

/* ─── PROCESS ─────────────────────────────── */
.process-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; margin-top: 0.5rem; }
.process-step { position: relative; padding: 1.75rem 1.75rem 0 0; border-top: 2px solid var(--border); }
.process-step.active { border-top-color: var(--accent); }
.process-num { font-family: var(--mono); font-size: 0.75rem; color: var(--accent); letter-spacing: 0.06em; margin-bottom: 0.9rem; }
.process-title { font-size: 1.05rem; font-weight: 700; letter-spacing: -0.015em; margin-bottom: 0.6rem; line-height: 1.25; }
.process-desc { font-size: 0.875rem; color: var(--muted); line-height: 1.65; }

/* ─── SPEC / DELIVERABLES GRID ────────────── */
.spec-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; margin-top: 0.5rem; }
.spec-card {
  background: var(--tile-bg);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(var(--shadow-rgb), 0.06);
  transition: box-shadow 0.2s, transform 0.2s;
  min-width: 0;
}
.spec-card:hover { box-shadow: 0 15px 30px rgba(var(--shadow-rgb), 0.12); transform: translateY(-3px); }
.spec-title { font-size: 1.05rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 0.75rem; line-height: 1.25; }
.spec-desc { font-size: 0.9rem; color: var(--muted); line-height: 1.7; }

/* ─── CTA BAND ────────────────────────────── */
.cta-band {
  background: var(--inverse);
  padding: 3.5rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
}
.cta-band-title { font-size: clamp(1.4rem, 2.4vw, 28px); font-weight: 700; letter-spacing: -0.02em; color: #fff; max-width: 32ch; }

/* ─── FAQ ─────────────────────────────────── */
.faq-list { border-top: 1px solid var(--border); }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.5rem 0.25rem;
  font-size: 1.05rem;
  font-weight: 500;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-plus { font-family: var(--mono); font-size: 1.1rem; color: var(--accent); flex-shrink: 0; transition: transform 0.2s; }
.faq-item[open] .faq-plus { transform: rotate(45deg); }
.faq-answer { padding: 0 0.25rem 1.5rem; color: var(--muted); font-size: 0.95rem; line-height: 1.75; max-width: 68ch; }

/* ─── RELATED SERVICES ────────────────────── */
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 0.5rem; }
.related-card {
  background: var(--tile-bg);
  padding: 1.5rem;
  box-shadow: 0 2px 10px rgba(var(--shadow-rgb), 0.06);
  transition: box-shadow 0.2s, transform 0.2s;
  color: var(--text);
  display: block;
}
.related-card:hover { box-shadow: 0 15px 30px rgba(var(--shadow-rgb), 0.12); transform: translateY(-3px); }
.related-card-title { font-size: 0.95rem; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 0.4rem; }
.related-card-desc { font-size: 0.82rem; color: var(--muted); line-height: 1.5; }

/* ─── CONTACT ─────────────────────────────── */
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 5rem; align-items: start; }
.contact-intro { font-size: 1rem; color: var(--muted); line-height: 1.8; margin-bottom: 2.5rem; font-weight: 300; }
.contact-links { display: flex; flex-direction: column; gap: 0.75rem; min-width: 0; }
.contact-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--bg);
  box-shadow: 0 2px 10px rgba(var(--shadow-rgb), 0.06);
  color: var(--muted);
  font-size: 0.9rem;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.contact-link:hover { background: var(--inverse); color: #fff; box-shadow: 0 15px 30px rgba(var(--shadow-rgb), 0.12); transform: translateY(-3px); }
.contact-icon { width: 28px; height: 24px; flex-shrink: 0; display: inline-flex; align-items: center; }
.contact-icon svg { width: 20px; height: 20px; display: block; fill: currentColor; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1rem; }
.form-label {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.45rem;
}
.form-input, .form-textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid transparent;
  box-shadow: 0 2px 10px rgba(var(--shadow-rgb), 0.06);
  color: var(--text);
  font-family: var(--sans);
  font-size: 0.95rem;
  padding: 0.8rem 1rem;
  outline: none;
  transition: box-shadow 0.18s;
  resize: none;
}
.form-input:focus, .form-textarea:focus { box-shadow: 0 15px 30px rgba(var(--shadow-rgb), 0.12); }
.form-group.has-error .form-input, .form-group.has-error .form-textarea { box-shadow: 0 0 0 1.5px var(--accent); }
.form-error-text { display: none; color: var(--accent); font-family: var(--mono); font-size: 0.75rem; margin-top: 0.4rem; }
.form-group.has-error .form-error-text { display: block; }
.form-textarea { height: 120px; }
.cf-turnstile { margin: 0.9rem 0 0.25rem; }
.form-submit {
  width: 100%;
  padding: 1rem;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  background: var(--inverse);
  color: #fff;
  border: none;
  cursor: pointer;
  transition: background 0.2s;
  margin-top: 0.5rem;
}
.form-submit:hover { background: var(--accent); }
.form-note { font-size: 0.78rem; color: var(--muted); margin-top: 0.75rem; text-align: center; font-family: var(--mono); }
.form-success {
  display: none;
  background: var(--success-l);
  border: 1px solid var(--success);
  padding: 1rem;
  color: var(--success);
  font-size: 0.875rem;
  text-align: center;
  margin-top: 0.75rem;
}
.form-success.visible { display: block; }

/* ─── FOOTER ──────────────────────────────── */
footer {
  padding: 2.25rem 3rem 1.75rem;
  border-top: 1px solid var(--border);
}
/* Sitewide links to every service page. Static markup on purpose: the
   homepage's own service cards are built by JS at runtime and only cover
   half the services, so this is what actually keeps all 8 detail pages one
   hop from any entry point without needing JS to be executed first. */
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.6rem 1.4rem;
  margin-bottom: 1.75rem;
}
.footer-nav-title {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  opacity: 0.75;
}
.footer-nav a { font-size: 0.85rem; color: var(--muted); transition: color 0.18s; }
.footer-nav a:hover { color: var(--accent); }
.footer-nav-all { font-family: var(--mono); font-size: 0.78rem !important; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-copy { font-family: var(--mono); font-size: 0.78rem; color: var(--muted); }
.footer-bottom-right { display: flex; align-items: center; gap: 1.5rem; }
.footer-legal-link { font-family: var(--mono); font-size: 0.78rem; color: var(--muted); transition: color 0.18s; }
.footer-legal-link:hover { color: var(--accent); }
.footer-scroll {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.18s;
}
.footer-scroll:hover { color: var(--accent); }

html.dark .spec-card,
html.dark .related-card,
html.dark .spec-card:hover,
html.dark .related-card:hover {
  box-shadow: none;
}

/* ─── RESPONSIVE ──────────────────────────── */
@media (max-width: 900px) {
  nav { padding: 1rem 1.5rem; }
  .nav-logo-sep, .nav-logo-tagline, .nav-back, .nav-portal { display: none; }
  footer { padding: 2rem 1.5rem 1.5rem; }
  .footer-nav { gap: 0.55rem 1.1rem; margin-bottom: 1.5rem; }
  .svc-hero { padding: 7rem 1.5rem 4rem; }
  .section { padding: 4rem 1.5rem; }
  .process-row { grid-template-columns: 1fr; gap: 1.75rem; }
  .process-step { padding-right: 0; }
  .spec-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 2.5rem 1.5rem; flex-direction: column; align-items: flex-start; }
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .form-row { grid-template-columns: 1fr; }
  footer { padding: 1.5rem; flex-direction: column; gap: 0.5rem; text-align: center; }
}