/* ELDE TECH — shared site chrome (nav, footer, terms page) */
:root,
[data-theme="dark"] {
    --bg-base: #0B1120;
    --bg-elevated: #151F32;
    --bg-section: rgba(21, 31, 50, 0.5);
    --bg-card: rgba(21, 31, 50, 0.78);
    --bg-nav: rgba(11, 17, 32, 0.96);
    --text-heading: #f8fafc;
    --text-body: #cbd5e1;
    --text-muted: #94a3b8;
    --text-accent: #60a5fa;
    --text-accent-strong: #3b82f6;
    --text-on-primary: #ffffff;
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-medium: rgba(255, 255, 255, 0.14);
    --border-accent: rgba(59, 130, 246, 0.4);
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-soft: rgba(59, 130, 246, 0.14);
    --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.25);
    --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.3);
    --blob-opacity: 0.16;
    --grid-opacity: 0.07;
    --blob-blend: multiply;
    --scrollbar-track: #0B1120;
}

[data-theme="light"] {
    --bg-base: #f1f5f9;
    --bg-elevated: #ffffff;
    --bg-section: #e8edf4;
    --bg-card: #ffffff;
    --bg-nav: rgba(255, 255, 255, 0.96);
    --text-heading: #0f172a;
    --text-body: #334155;
    --text-muted: #64748b;
    --text-accent: #2563eb;
    --text-accent-strong: #1d4ed8;
    --border-subtle: rgba(15, 23, 42, 0.09);
    --border-medium: rgba(15, 23, 42, 0.14);
    --border-accent: rgba(37, 99, 235, 0.35);
    --primary-soft: rgba(37, 99, 235, 0.1);
    --shadow-sm: 0 2px 12px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
    --blob-opacity: 0.07;
    --grid-opacity: 0.05;
    --blob-blend: normal;
    --scrollbar-track: #e2e8f0;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    background-color: var(--bg-base);
    color: var(--text-body);
    font-family: 'Outfit', sans-serif;
    overflow-x: hidden;
    transition: background-color 0.35s ease, color 0.35s ease;
}
a { text-decoration: none; color: inherit; }
h1, h2, h3, h4 { color: var(--text-heading); }
.text-slate-400 { color: var(--text-muted); }
.font-mono { font-family: 'JetBrains Mono', monospace; }
.font-bold { font-weight: 700; }
.text-2xl { font-size: 1.5rem; }
.text-sm { font-size: 0.875rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.italic { font-style: italic; }
.hidden { display: none !important; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.w-8 { width: 2rem; }
.h-8 { height: 2rem; }
.w-full { width: 100%; }
.fixed { position: fixed; }
.relative { position: relative; }
.absolute { position: absolute; }
.inset-0 { inset: 0; }
.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.z-50 { z-index: 50; }
.pointer-events-none { pointer-events: none; }
.rounded-full { border-radius: 9999px; }
.text-center { text-align: center; }
.max-w-4xl { max-width: 56rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-28 { padding-top: 7rem; padding-bottom: 7rem; }
.pt-28 { padding-top: 7rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.ml-2 { margin-left: 0.5rem; }

@media (min-width: 768px) {
    .md\:flex { display: flex; }
    .md\:hidden { display: none; }
    .md\:flex-row { flex-direction: row; }
    .text-4xl { font-size: 2.25rem; }
    .text-5xl { font-size: 3rem; }
}

.section-label {
    color: var(--text-accent-strong);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
}
.section-alt {
    background: var(--bg-section);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}
.icon-accent { color: var(--text-accent-strong); }
/* ELDE TECH logo — theme-aware SVG lockup */
:root {
  --logo-height: 68px;
  --logo-max-width: 340px;
}
@media (max-width: 768px) {
  :root {
    --logo-height: 56px;
    --logo-max-width: 280px;
  }
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  line-height: 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.brand-mark:hover { opacity: 0.94; transform: translateY(-1px); }
.brand-mark--center {
  display: flex;
  justify-content: center;
  width: 100%;
}
.elde-logo {
  display: block;
  height: var(--logo-height);
  width: auto;
  min-width: 200px;
  max-width: var(--logo-max-width);
  overflow: visible;
}
.elde-logo .logo-elde { fill: var(--text-heading); }
.elde-logo .logo-tagline { fill: var(--text-muted); }
.elde-logo .logo-rule { stroke: var(--primary); opacity: 0.55; }
.elde-logo-img {
  display: block;
  height: var(--logo-height);
  width: auto;
  max-width: var(--logo-max-width);
  object-fit: contain;
}
.terms-doc-brand {
  --logo-height: 96px;
  --logo-max-width: 360px;
}
.elde-logo--hero {
  height: var(--logo-height, 96px);
  max-width: var(--logo-max-width, 360px);
}
.glass-nav {
    background: var(--bg-nav);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-subtle);
}
.nav-link {
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s;
}
.nav-link:hover, .nav-link-active { color: var(--text-heading); }
.nav-link-active { color: var(--text-accent-strong) !important; }
.nav-cta {
    padding: 0.625rem 1.25rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-medium);
    background: var(--primary-soft);
    color: var(--text-accent-strong);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    transition: all 0.25s;
}
.nav-cta:hover {
    background: var(--primary);
    color: var(--text-on-primary);
    border-color: var(--primary);
}
.theme-toggle {
    width: 42px; height: 42px;
    border-radius: 12px;
    border: 1px solid var(--border-subtle);
    background: var(--bg-card);
    color: var(--text-heading);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}
.theme-toggle:hover { border-color: var(--primary); color: var(--primary); }
.mobile-menu {
    background: var(--bg-nav);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-subtle);
    padding: 1rem;
    font-family: 'JetBrains Mono', monospace;
}
.mobile-menu a {
    display: block;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    color: var(--text-body);
}
.mobile-menu a:hover { background: var(--primary-soft); color: var(--text-heading); }
.mobile-menu .mobile-contact {
    display: block;
    margin-top: 0.5rem;
    padding: 0.75rem;
    text-align: center;
    border-radius: 0.75rem;
    background: var(--primary-soft);
    color: var(--text-accent-strong);
    font-weight: 600;
}
.site-footer {
    border-top: 1px solid var(--border-subtle);
    padding: 3rem 0;
    text-align: center;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    background: var(--bg-base);
}
.site-footer a { color: var(--text-muted); transition: color 0.2s; }
.site-footer a:hover { color: var(--text-accent); }

.bg-grid {
    background-size: 50px 50px;
    background-image: linear-gradient(to right, rgba(59,130,246,var(--grid-opacity)) 1px, transparent 1px),
                      linear-gradient(to bottom, rgba(59,130,246,var(--grid-opacity)) 1px, transparent 1px);
    mask-image: radial-gradient(circle at center, black 40%, transparent 90%);
}
.bg-blob { mix-blend-mode: var(--blob-blend); opacity: var(--blob-opacity); }
.bg-blue-600 { background-color: var(--primary); }
.animate-blob { animation: blob 14s infinite; }
@keyframes blob {
    0% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -40px) scale(1.08); }
    66% { transform: translate(-20px, 20px) scale(0.92); }
    100% { transform: translate(0, 0) scale(1); }
}

.terms-doc {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 1.75rem;
    padding: 2.5rem;
    line-height: 1.8;
    box-shadow: var(--shadow-sm);
}
.terms-doc h3 {
    color: var(--text-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin: 2rem 0 0.75rem;
}
.terms-doc p, .terms-doc li { color: var(--text-body); }
.terms-doc ul { margin: 0.5rem 0 1rem 1.25rem; }
.terms-doc strong { color: var(--text-heading); font-weight: 600; }
.terms-lang-tabs { display: flex; gap: 0.5rem; margin-bottom: 2rem; flex-wrap: wrap; }
.terms-lang-tabs button {
    padding: 0.6rem 1.25rem;
    border-radius: 10px;
    border: 1px solid var(--border-subtle);
    background: transparent;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    cursor: pointer;
}
.terms-lang-tabs button.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--text-on-primary);
}
.terms-panel { display: none; }
.terms-panel.active { display: block; }
.terms-signature-block {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px dashed var(--border-medium);
    font-size: 0.95rem;
}
.terms-back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    transition: color 0.2s;
}
.terms-back:hover { color: var(--text-accent-strong); }

@media (max-width: 767px) {
    .terms-doc { padding: 1.5rem; }
}