/* ═══════════════════════════════════════════
   DEVSEC — MAIN STYLESHEET
   ═══════════════════════════════════════════ */

/* ── Variables ─────────────────────────────── */
:root {
  --bg-base:       #05091a;
  --bg-surface:    #0a1128;
  --bg-card:       #0e1a35;
  --bg-card-hover: #122040;
  --border:        #1c3060;
  --border-light:  #243d72;

  --accent:        #00d4ff;
  --accent-dim:    #0099bb;
  --accent-glow:   rgba(0, 212, 255, 0.15);
  --purple:        #8b5cf6;
  --purple-glow:   rgba(139, 92, 246, 0.15);
  --green:         #10b981;
  --yellow:        #f59e0b;
  --red:           #ef4444;

  --text-primary:   #eef2ff;
  --text-secondary: #7ea8cc;
  --text-muted:     #3d5a7a;

  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.12);

  --nav-height: 68px;
}

/* ── Reset & Base ───────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color .2s; }
a:hover { color: #fff; }

img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ── Grid ───────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Utilities ──────────────────────────────── */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); border: 0;
}

/* ══════════════════════════════════════════════
   NAVBAR
══════════════════════════════════════════════ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(5, 9, 26, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}
.site-logo:hover { color: var(--text-primary); }

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.logo-text span { color: var(--accent); }

/* Nav menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-menu a {
  display: block;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: background .2s, color .2s;
}
.nav-menu a:hover,
.nav-menu .current-menu-item a {
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
}

/* CTA button in nav */
.nav-cta {
  background: var(--accent) !important;
  color: var(--bg-base) !important;
  font-weight: 600 !important;
}
.nav-cta:hover { background: #fff !important; }

/* Language switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: 8px;
  padding-left: 12px;
  border-left: 1px solid var(--border);
}
.lang-switcher li a {
  display: block;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  transition: background .2s, color .2s;
}
.lang-switcher li a:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
}
.lang-switcher li.current-lang a {
  color: var(--accent);
}

/* Mobile toggle */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  color: var(--text-primary);
  cursor: pointer;
  font-size: 1.2rem;
}

/* ══════════════════════════════════════════════
   HERO
══════════════════════════════════════════════ */
.hero {
  position: relative;
  padding: 120px 0 100px;
  overflow: hidden;
  text-align: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% -10%, rgba(0,212,255,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 80% 60%,  rgba(139,92,246,0.08) 0%, transparent 60%);
  pointer-events: none;
}

/* Dot grid */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, var(--border) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.35;
  pointer-events: none;
}

.hero__content { position: relative; z-index: 1; }

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-glow);
  border: 1px solid rgba(0,212,255,0.3);
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero__eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

.hero__title {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}

.hero__title .highlight {
  background: linear-gradient(90deg, var(--accent), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 40px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Buttons ───────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: all .2s;
  text-decoration: none;
}

.btn--primary {
  background: var(--accent);
  color: var(--bg-base);
}
.btn--primary:hover {
  background: #fff;
  color: var(--bg-base);
  box-shadow: 0 0 20px rgba(0,212,255,0.4);
}

.btn--outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}
.btn--outline:hover {
  background: rgba(255,255,255,0.05);
  border-color: var(--text-secondary);
  color: #fff;
}

.btn--sm { padding: 8px 18px; font-size: 0.85rem; }

/* ══════════════════════════════════════════════
   STATS BAR
══════════════════════════════════════════════ */
.stats-bar {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
  padding: 28px 0;
}

.stats-bar__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-item {
  text-align: center;
  padding: 16px;
}
.stat-item__number {
  font-size: 2rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--accent);
  line-height: 1;
}
.stat-item__label {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ══════════════════════════════════════════════
   SECTION HEADERS
══════════════════════════════════════════════ */
.section-header {
  margin-bottom: 48px;
}
.section-header--center { text-align: center; }

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-top: 10px;
  max-width: 560px;
}
.section-header--center .section-subtitle { margin-left: auto; margin-right: auto; }

/* ══════════════════════════════════════════════
   SERVICES SECTION
══════════════════════════════════════════════ */
.services {
  padding: 80px 0;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color .2s, transform .2s;
}
.service-card:hover {
  border-color: var(--border-light);
  transform: translateY(-3px);
}

.service-card__icon {
  width: 48px; height: 48px;
  background: var(--accent-glow);
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.service-card__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.service-card__text {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ══════════════════════════════════════════════
   CERTIFICATIONS
══════════════════════════════════════════════ */
.certifications {
  padding: 80px 0;
  background: var(--bg-surface);
}

.certs__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  transition: border-color .2s, transform .2s;
}

.cert-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.cert-card__badge {
  display: inline-block;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(0,212,255,0.25);
  border-radius: var(--radius-md);
  padding: 8px 24px;
  margin-bottom: 16px;
}

.cert-card__title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.cert-card__text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ══════════════════════════════════════════════
   APPLICATIONS PANEL
══════════════════════════════════════════════ */
.apps-section {
  padding: 80px 0;
  background: var(--bg-surface);
}

/* Filter bar */
.apps-filters {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 18px;
  font-size: 0.83rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all .2s;
  font-family: var(--font-sans);
}
.filter-btn:hover,
.filter-btn.is-active {
  background: var(--accent-glow);
  border-color: rgba(0,212,255,0.4);
  color: var(--accent);
}

/* Applications grid */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* ── App Card ─────────────────────────────── */
.app-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color .25s, transform .25s, box-shadow .25s;
}
.app-card:hover {
  border-color: rgba(0,212,255,0.35);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.app-card__thumb {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--bg-surface) 0%, var(--bg-card-hover) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  position: relative;
  overflow: hidden;
}
.app-card__thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.app-card__thumb--placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    rgba(255,255,255,0.015) 10px,
    rgba(255,255,255,0.015) 20px
  );
}

.app-card__body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.app-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.app-card__title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.3;
}
.app-card__title a { color: var(--text-primary); }
.app-card__title a:hover { color: var(--accent); }

.app-card__tagline {
  font-size: 0.83rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
  flex: 1;
}

.app-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.app-card__version {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.app-card__tech {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.tech-tag {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 7px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
}

/* ── Status badges ───────────────────────── */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
  letter-spacing: 0.02em;
}
.status-badge::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: currentColor;
}
.status--active    { background: rgba(16,185,129,.15); color: var(--green);  border: 1px solid rgba(16,185,129,.3); }
.status--beta      { background: rgba(0,212,255,.12);  color: var(--accent); border: 1px solid rgba(0,212,255,.25); }
.status--maintenance { background: rgba(245,158,11,.12); color: var(--yellow); border: 1px solid rgba(245,158,11,.3); }
.status--deprecated  { background: rgba(239,68,68,.1);  color: var(--red);    border: 1px solid rgba(239,68,68,.25); }

/* ══════════════════════════════════════════════
   ARCHIVE PAGE (Panel de aplicaciones)
══════════════════════════════════════════════ */
.archive-hero {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
}

.archive-hero__title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -1px;
}
.archive-hero__subtitle {
  color: var(--text-secondary);
  margin-top: 10px;
  font-size: 1rem;
}

.archive-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.archive-count {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.archive-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.archive-main { padding: 48px 0 80px; }

/* Empty state */
.no-apps {
  text-align: center;
  padding: 80px 0;
  color: var(--text-muted);
}
.no-apps__icon { font-size: 3rem; margin-bottom: 16px; }
.no-apps__title { font-size: 1.2rem; font-weight: 600; color: var(--text-secondary); }

/* ══════════════════════════════════════════════
   SINGLE APPLICATION
══════════════════════════════════════════════ */
.app-header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 56px 0 48px;
}

.app-header__breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.app-header__breadcrumb a { color: var(--text-secondary); }
.app-header__breadcrumb a:hover { color: var(--accent); }
.app-header__breadcrumb .sep { color: var(--border-light); }

.app-header__top {
  display: flex;
  align-items: flex-start;
  gap: 28px;
}

.app-header__icon {
  width: 80px; height: 80px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
}
.app-header__icon img { width: 100%; height: 100%; object-fit: cover; }

.app-header__info { flex: 1; }

.app-header__title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.1;
  margin-bottom: 8px;
}

.app-header__tagline {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.app-header__badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.version-badge {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 10px;
}

.app-header__actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

/* App body layout */
.app-body {
  padding: 56px 0 80px;
}

.app-body__layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  align-items: start;
}

/* Content */
.app-content h1, .app-content h2, .app-content h3,
.app-content h4, .app-content h5, .app-content h6 {
  color: var(--text-primary);
  margin-top: 2em;
  margin-bottom: .75em;
  font-weight: 600;
  letter-spacing: -0.3px;
}
.app-content h2 { font-size: 1.5rem; padding-bottom: .5em; border-bottom: 1px solid var(--border); }
.app-content h3 { font-size: 1.2rem; color: var(--accent); }
.app-content p  { color: var(--text-secondary); margin-bottom: 1.2em; line-height: 1.8; }
.app-content ul, .app-content ol {
  color: var(--text-secondary);
  margin-bottom: 1.2em;
  padding-left: 1.4em;
  line-height: 1.8;
}
.app-content ul { list-style: disc; }
.app-content ol { list-style: decimal; }
.app-content li { margin-bottom: .4em; }
.app-content a  { color: var(--accent); }
.app-content strong { color: var(--text-primary); font-weight: 600; }
.app-content code {
  font-family: var(--font-mono);
  font-size: .85em;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: .15em .45em;
  color: var(--accent);
}
.app-content pre {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  overflow-x: auto;
  margin-bottom: 1.5em;
}
.app-content pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text-primary);
  font-size: .88rem;
  line-height: 1.6;
}
.app-content blockquote {
  border-left: 3px solid var(--accent);
  padding: 12px 20px;
  margin: 1.5em 0;
  background: var(--bg-card);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-secondary);
  font-style: italic;
}
.app-content img {
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  margin: 1.5em 0;
}
.app-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5em;
  font-size: .9rem;
}
.app-content th, .app-content td {
  padding: 10px 14px;
  border: 1px solid var(--border);
  text-align: left;
}
.app-content th {
  background: var(--bg-card);
  color: var(--text-primary);
  font-weight: 600;
}
.app-content td { color: var(--text-secondary); }

/* Sidebar */
.app-sidebar { display: flex; flex-direction: column; gap: 20px; }

.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.sidebar-card__title {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}
.info-row:last-child { border-bottom: none; }
.info-row__label { color: var(--text-muted); }
.info-row__value { color: var(--text-primary); font-weight: 500; }

.tech-stack-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.link-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all .2s;
  margin-bottom: 8px;
}
.link-item:hover {
  background: var(--accent-glow);
  border-color: rgba(0,212,255,.3);
  color: var(--accent);
}
.link-item:last-child { margin-bottom: 0; }

/* ── Featured image in single ─────────────── */
.app-featured-image {
  margin-bottom: 32px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 16/7;
  background: var(--bg-card);
}
.app-featured-image img {
  width: 100%; height: 100%;
  object-fit: cover;
}

/* Related apps */
.related-apps { padding: 56px 0; border-top: 1px solid var(--border); }
.related-apps__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

/* ══════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════ */
.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 56px 0 28px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand__logo {
  margin-bottom: 14px;
}
.footer-brand__description {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 260px;
}

.footer-col__title {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: color .2s;
}
.footer-col ul a:hover { color: var(--text-primary); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ══════════════════════════════════════════════
   GENERIC PAGE
══════════════════════════════════════════════ */
.page-header {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
}
.page-header__title { font-size: 2rem; font-weight: 700; letter-spacing: -0.5px; }
.page-content { padding: 56px 0 80px; }
.page-content__inner { max-width: 800px; }

/* ══════════════════════════════════════════════
   CONTACT FORM
══════════════════════════════════════════════ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  align-items: start;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: border-color .2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.contact-alert {
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.contact-alert--ok {
  background: rgba(16, 185, 129, .12);
  border: 1px solid rgba(16, 185, 129, .3);
  color: var(--green);
}

.contact-alert--error {
  background: rgba(239, 68, 68, .1);
  border: 1px solid rgba(239, 68, 68, .25);
  color: var(--red);
}

/* ══════════════════════════════════════════════
   404 PAGE
══════════════════════════════════════════════ */
.error-404 {
  text-align: center;
  padding: 120px 0;
}

.error-404__code {
  font-family: var(--font-mono);
  font-size: clamp(5rem, 12vw, 10rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 16px;
}

.error-404__title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.error-404__text {
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* ══════════════════════════════════════════════
   SEARCH RESULTS
══════════════════════════════════════════════ */
.search-header {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
}

.search-header__title {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.search-header__title span {
  color: var(--accent);
}

.search-header__count {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 8px;
}

.search-results {
  padding: 48px 0 80px;
}

.search-item {
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}

.search-item:first-child {
  padding-top: 0;
}

.search-item__title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.search-item__title a {
  color: var(--text-primary);
}

.search-item__title a:hover {
  color: var(--accent);
}

.search-item__excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.search-item__meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 8px;
  font-family: var(--font-mono);
}

.search-form-inline {
  display: flex;
  gap: 12px;
  max-width: 500px;
  margin-top: 24px;
}

.search-form-inline input[type="search"] {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
}

.search-form-inline input[type="search"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* ══════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .services__grid    { grid-template-columns: repeat(2, 1fr); }
  .apps-grid         { grid-template-columns: repeat(2, 1fr); }
  .related-apps__grid { grid-template-columns: repeat(2, 1fr); }
  .app-body__layout  { grid-template-columns: 1fr; }
  .app-sidebar       { order: -1; }
  .footer-top        { grid-template-columns: repeat(2, 1fr); }
  .stats-bar__grid   { grid-template-columns: repeat(2, 1fr); }
  .contact-layout    { grid-template-columns: 1fr; }
  .contact-info      { order: -1; }
}

@media (max-width: 768px) {
  .nav-menu { display: none; }
  .nav-menu.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0; right: 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    padding: 16px;
    gap: 4px;
  }
  .nav-toggle { display: flex; }
  .lang-switcher {
    border-left: none;
    margin-left: 0;
    padding-left: 0;
  }
  .site-header { position: relative; }

  .hero { padding: 72px 0 60px; }
  .services__grid   { grid-template-columns: 1fr; }
  .certs__grid      { grid-template-columns: 1fr; }
  .apps-grid        { grid-template-columns: 1fr; }
  .related-apps__grid { grid-template-columns: 1fr; }
  .footer-top       { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom    { flex-direction: column; gap: 12px; text-align: center; }
  .app-header__top  { flex-direction: column; }
  .stats-bar__grid  { grid-template-columns: repeat(2, 1fr); }
}