/* ============================================================
   Mulakovich Apps — Modern & Impactful Styles
   ============================================================ */

:root {
  --bg:          #0b0c10;
  --bg-soft:     rgba(20, 24, 31, 0.6);
  --bg-raised:   #1a1f2a;
  --card:        rgba(24, 29, 39, 0.45);
  --card-hover:  rgba(30, 36, 51, 0.7);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-border-hover: rgba(79, 216, 152, 0.4);
  --text:        #f1f5f9;
  --muted:       #8b9bb4;
  --subtle:      #cbd5e1;
  --mint:        #4fd898;
  --mint-dim:    #3ab57d;
  --mint-soft:   rgba(79,216,152,.15);
  --mint-glow:   rgba(79,216,152,.3);
  --amber:       #f5a623;
  --line:        rgba(255, 255, 255, 0.06);
  --radius:      20px;
  --radius-sm:   12px;
  --maxw:        960px;

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

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100dvh;
  background: 
    radial-gradient(circle at 85% -10%, rgba(79, 216, 152, 0.15), transparent 45%),
    radial-gradient(circle at 10% 40%, rgba(245, 166, 35, 0.08), transparent 50%),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--font-display); letter-spacing: -.02em; }
a { color: var(--mint); text-decoration: none; transition: 0.2s ease; }
a:hover { text-shadow: 0 0 10px var(--mint-glow); }
img { display: block; }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

/* ── i18n ── */
[data-i18n] [lang="en"] { display: none; }
html[data-lang="en"] [data-i18n] [lang="es"] { display: none; }
html[data-lang="en"] [data-i18n] [lang="en"] { display: inline; }
html[data-lang="es"] [data-i18n] [lang="es"] { display: inline; }

/* ════════════════════════════════════════
   Header / Nav
   ════════════════════════════════════════ */
header {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
  position: sticky;
  top: 0;
  background: rgba(11, 12, 16, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 50;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand:hover .brand-mark {
  box-shadow: 0 0 15px var(--mint-glow);
  transform: scale(1.05);
}
.brand-mark {
  width: 38px; height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--mint) 0%, var(--mint-dim) 100%);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  color: #05160f;
  font-size: 18px;
  flex-shrink: 0;
  transition: 0.3s ease;
}
.brand-name  { font-weight: 700; font-size: 16px; line-height: 1.2; letter-spacing: -0.01em; }
.brand-tag   { font-size: 12px; color: var(--muted); margin-top: 2px; }

nav { display: flex; align-items: center; gap: 24px; }
.navlink {
  color: var(--subtle);
  font-size: 14px;
  font-weight: 500;
}
.navlink:hover { color: var(--mint); }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--subtle);
  font-size: 14px;
  font-weight: 600;
}
.back-link:hover { color: var(--mint); transform: translateX(-3px); }

.lang-toggle {
  display: flex;
  border: 1px solid var(--card-border);
  border-radius: 999px;
  overflow: hidden;
  background: rgba(0,0,0,0.2);
}
.lang-toggle button {
  border: none;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  cursor: pointer;
  transition: 0.2s ease;
}
.lang-toggle button.active {
  background: var(--mint);
  color: #05160f;
  box-shadow: 0 0 10px var(--mint-soft);
}

/* ════════════════════════════════════════
   Hero (index)
   ════════════════════════════════════════ */
.hero {
  padding: 100px 0 80px;
  border-bottom: 1px solid var(--line);
  text-align: center;
  position: relative;
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mint);
  text-transform: uppercase;
  letter-spacing: .15em;
  margin: 0 auto 20px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--mint-soft);
  padding: 6px 16px;
  border-radius: 999px;
  border: 1px solid rgba(79, 216, 152, 0.2);
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 8px var(--mint);
}
.hero h1 {
  font-size: clamp(36px, 5.5vw, 56px);
  line-height: 1.1;
  margin: 0 auto 20px;
  max-width: 800px;
  font-weight: 800;
  background: linear-gradient(180deg, #ffffff 0%, #a1a1aa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, #4fd898 0%, #3ab57d 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 30px rgba(79, 216, 152, 0.3);
}
.hero p.lead {
  font-size: 18px;
  color: var(--subtle);
  max-width: 600px;
  margin: 0 auto;
}

/* ════════════════════════════════════════
   App grid / cards (index)
   ════════════════════════════════════════ */
.section { padding: 80px 0; }
.section-label {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .15em;
  color: var(--muted);
  margin: 0 0 32px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--line), transparent);
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.app-card {
  background: var(--card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}
.app-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; width: 4px; height: 100%;
  background: linear-gradient(to bottom, var(--mint), transparent);
  opacity: 0;
  transition: 0.3s ease;
}
.app-card:hover {
  transform: translateY(-6px) scale(1.01);
  background: var(--card-hover);
  border-color: var(--card-border-hover);
  box-shadow: 0 15px 45px rgba(79, 216, 152, 0.1);
}
.app-card:hover::before { opacity: 1; }

.app-top { display: flex; align-items: center; gap: 16px; }
.app-icon {
  width: 60px; height: 60px;
  border-radius: 14px;
  object-fit: cover;
  flex-shrink: 0;
  background: #000;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}
.app-name {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 4px;
  color: #fff;
}
.app-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mint);
  background: var(--mint-soft);
  padding: 2px 8px;
  border-radius: 6px;
  display: inline-block;
}

.app-desc { color: var(--subtle); font-size: 14.5px; line-height: 1.6; margin: 0; }
.app-note {
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 13.5px;
  color: var(--muted);
}
.app-note b { color: var(--text); }

.app-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

/* ════════════════════════════════════════
   Buttons
   ════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--card-border);
  color: var(--subtle);
  background: rgba(255,255,255,0.03);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--font-sans);
}
.btn:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.2);
  color: #fff;
}
.btn.primary {
  background: var(--mint);
  color: #05160f;
  border: none;
  box-shadow: 0 4px 15px var(--mint-glow);
}
.btn.primary:hover {
  background: #65e3a6;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(79, 216, 152, 0.4);
}

/* ════════════════════════════════════════
   Privacy Layout
   ════════════════════════════════════════ */
.privacy-hero {
  padding: 60px 0 50px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(79,216,152,0.03) 0%, transparent 100%);
}
.privacy-hero-inner {
  display: flex;
  align-items: center;
  gap: 24px;
}
.privacy-hero-icon {
  width: 72px; height: 72px;
  border-radius: 18px;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.privacy-hero-text { flex: 1; min-width: 0; }
.privacy-hero-app {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .15em;
  color: var(--mint);
  margin: 0 0 8px;
}
.privacy-hero-title {
  font-size: clamp(26px, 4.5vw, 36px);
  margin: 0 0 6px;
  font-weight: 800;
  color: #fff;
}

.privacy-section { padding: 60px 0 80px; }
.privacy-lang-tabs { display: flex; gap: 10px; margin-bottom: 32px; }
.privacy-lang-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--card-border);
  background: rgba(255,255,255,0.02);
  color: var(--subtle);
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.2s ease;
}
.privacy-lang-tab:hover { background: rgba(255,255,255,0.05); color: #fff; }
.privacy-lang-tab.active {
  background: var(--mint-soft);
  border-color: var(--mint);
  color: var(--mint);
}

.privacy-doc { display: none; animation: fadeIn 0.4s ease forwards; }
.privacy-doc.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.privacy-doc h2 {
  font-size: 16px;
  font-family: var(--font-mono);
  color: var(--mint);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin: 0 0 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.privacy-block {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 26px 30px;
  margin-bottom: 16px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}
.privacy-block h3 {
  font-size: 16px;
  margin: 0 0 12px;
  color: #fff;
  font-weight: 700;
}
.privacy-block p {
  margin: 0;
  color: var(--subtle);
  font-size: 15px;
  line-height: 1.7;
}
.privacy-block p + p { margin-top: 12px; }

/* Lista de privacidad específica */
.privacy-list {
  margin: 10px 0 0 0;
  padding-left: 20px;
  color: var(--subtle);
  font-size: 15px;
  line-height: 1.7;
}
.privacy-list li { margin-bottom: 8px; }
.privacy-list li strong { color: #fff; }

.steps { list-style: none; padding: 0; margin: 12px 0 0; display: flex; flex-direction: column; gap: 10px; }
.steps li { display: flex; gap: 12px; align-items: flex-start; color: var(--subtle); font-size: 15px; }
.steps li::before {
  content: attr(data-n);
  min-width: 26px; height: 26px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mint);
  flex-shrink: 0;
}

/* ════════════════════════════════════════
   Footer
   ════════════════════════════════════════ */
footer { border-top: 1px solid var(--line); padding: 32px 0 48px; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-brand { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 14px; font-weight: 500; }
.footer-brand img { width: 26px; height: 26px; border-radius: 8px; }
.footer-brand:hover { color: #fff; }
.footer-copy { font-family: var(--font-mono); font-size: 12px; color: var(--muted); }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }