/* =========================================================================
   Master Cleaner — Website
   base.css — design tokens, reset, shared components (light + dark, RTL-aware)
   Mirrors the app's visual language: deep navy/purple, green health,
   purple primary accent.
   ========================================================================= */

:root {
  /* Brand */
  --brand: #6d5ef6;
  --brand-2: #8b7ff8;
  --brand-strong: #5a4bd8;
  --brand-glow: rgba(109, 94, 246, 0.45);

  --green: #2ee6a0;
  --green-soft: rgba(46, 230, 160, 0.15);
  --amber: #ff9f43;
  --amber-soft: rgba(255, 159, 67, 0.15);
  --red: #ff5c7a;
  --red-soft: rgba(255, 92, 122, 0.15);
  --cyan: #38c6e8;

  /* Dark theme (default) */
  --bg: #07070f;
  --bg-2: #0d0d1c;
  --panel: rgba(255, 255, 255, 0.035);
  --panel-2: rgba(255, 255, 255, 0.06);
  --panel-solid: #11111f;
  --card: rgba(20, 20, 40, 0.55);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #edecfb;
  --text-muted: #9c9cb8;
  --text-faint: #6f6f8a;
  --shadow-lg: 0 30px 80px -20px rgba(0, 0, 0, 0.7);
  --shadow-md: 0 12px 40px -12px rgba(0, 0, 0, 0.55);

  --radius: 18px;
  --radius-sm: 12px;
  --radius-lg: 26px;
  --maxw: 1180px;
  --nav-h: 72px;

  --font: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Noto Sans Hebrew",
    "Noto Sans Arabic", "Noto Sans SC", "Noto Sans JP", "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", "SF Mono", "Cascadia Code", ui-monospace, Menlo, Consolas, monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

:root[data-theme="light"] {
  --bg: #eef1fb;
  --bg-2: #f7f8fe;
  --panel: rgba(255, 255, 255, 0.75);
  --panel-2: rgba(255, 255, 255, 0.9);
  --panel-solid: #ffffff;
  --card: rgba(255, 255, 255, 0.85);
  --border: rgba(20, 20, 60, 0.1);
  --border-strong: rgba(20, 20, 60, 0.18);
  --text: #16162e;
  --text-muted: #5a5a76;
  --text-faint: #8888a0;
  --shadow-lg: 0 30px 80px -24px rgba(60, 60, 120, 0.28);
  --shadow-md: 0 14px 40px -16px rgba(60, 60, 120, 0.22);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 16px); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Ambient gradient backdrop */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(1100px 700px at 78% -8%, rgba(109, 94, 246, 0.28), transparent 60%),
    radial-gradient(900px 620px at 8% 12%, rgba(46, 230, 160, 0.12), transparent 55%),
    radial-gradient(1000px 800px at 50% 108%, rgba(56, 198, 232, 0.12), transparent 60%),
    var(--bg);
}
:root[data-theme="light"] body::before {
  background:
    radial-gradient(1100px 700px at 80% -10%, rgba(109, 94, 246, 0.22), transparent 60%),
    radial-gradient(900px 620px at 5% 10%, rgba(46, 230, 160, 0.14), transparent 55%),
    var(--bg);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }

h1, h2, h3, h4 { line-height: 1.15; font-weight: 800; letter-spacing: -0.02em; }

::selection { background: var(--brand-glow); color: #fff; }

/* Focus visibility for accessibility */
:focus-visible { outline: 2px solid var(--brand-2); outline-offset: 3px; border-radius: 6px; }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; }

.section { padding: clamp(64px, 9vw, 130px) 0; position: relative; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--brand-2);
  padding: 6px 14px; border-radius: 999px;
  background: var(--panel); border: 1px solid var(--border);
}

.section-head { max-width: 720px; margin-bottom: 54px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-title { font-size: clamp(1.8rem, 4vw, 2.9rem); margin: 18px 0 14px; }
.section-sub { color: var(--text-muted); font-size: 1.08rem; }

.gradient-text {
  background: linear-gradient(100deg, #fff 0%, var(--brand-2) 45%, var(--green) 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
:root[data-theme="light"] .gradient-text {
  background: linear-gradient(100deg, var(--text) 0%, var(--brand) 50%, #17b47e 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 13px 24px; border-radius: 14px; font-weight: 700; font-size: 0.98rem;
  transition: transform 0.18s var(--ease), box-shadow 0.25s var(--ease), background 0.2s, border-color 0.2s;
  white-space: nowrap; border: 1px solid transparent;
}
.btn svg { width: 19px; height: 19px; }
.btn-primary {
  background: linear-gradient(180deg, var(--brand-2), var(--brand));
  color: #fff; box-shadow: 0 10px 30px -8px var(--brand-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -8px var(--brand-glow); }
.btn-ghost {
  background: var(--panel); border-color: var(--border-strong); color: var(--text);
}
.btn-ghost:hover { transform: translateY(-2px); background: var(--panel-2); border-color: var(--brand-2); }
.btn-lg { padding: 16px 30px; font-size: 1.05rem; border-radius: 16px; }
.btn-block { width: 100%; }

/* ---------- Chips / badges ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 0.8rem; font-weight: 700; padding: 5px 11px; border-radius: 999px;
  background: var(--panel); border: 1px solid var(--border); color: var(--text-muted);
}
.badge { font-size: 0.66rem; font-weight: 800; letter-spacing: 0.06em; padding: 3px 8px; border-radius: 6px; text-transform: uppercase; }
.badge-low { background: var(--green-soft); color: var(--green); }
.badge-med { background: var(--amber-soft); color: var(--amber); }
.badge-high { background: var(--red-soft); color: var(--red); }

/* ---------- Cards ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
}

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
[dir="rtl"] .reveal { transform: translateY(26px); }

/* ---------- Utility ---------- */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.text-green { color: var(--green); }
.text-amber { color: var(--amber); }
.text-red { color: var(--red); }
.mono { font-family: var(--mono); }

/* ---------- Language switcher (shared) ---------- */
.lang-switch { position: relative; }
.lang-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 12px; border-radius: 11px;
  background: var(--panel); border: 1px solid var(--border); color: var(--text);
  font-weight: 600; font-size: 0.9rem; transition: border-color 0.2s, background 0.2s;
}
.lang-btn:hover { border-color: var(--brand-2); background: var(--panel-2); }
.lang-caret { transition: transform 0.22s var(--ease); opacity: 0.7; }
.lang-switch.open .lang-caret { transform: rotate(180deg); }
.lang-menu {
  position: absolute; top: calc(100% + 8px); inset-inline-end: 0;
  min-width: 210px; background: var(--panel-solid);
  border: 1px solid var(--border-strong); border-radius: 14px;
  padding: 6px; box-shadow: var(--shadow-lg); z-index: 200;
  opacity: 0; transform: translateY(-8px) scale(0.98); pointer-events: none;
  transition: opacity 0.18s var(--ease), transform 0.18s var(--ease);
  max-height: 70vh; overflow-y: auto;
}
.lang-switch.open .lang-menu { opacity: 1; transform: none; pointer-events: auto; }
.lang-menu li {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 11px; border-radius: 9px; cursor: pointer;
  transition: background 0.14s; font-size: 0.92rem;
}
.lang-menu li:hover { background: var(--panel-2); }
.lang-menu li.active { background: var(--brand-glow); color: #fff; }
:root[data-theme="light"] .lang-menu li.active { color: var(--text); background: rgba(109,94,246,0.14); }
.lang-flag { font-size: 1.1rem; line-height: 1; }
.lang-name { font-weight: 600; }
.lang-en { margin-inline-start: auto; font-size: 0.76rem; color: var(--text-faint); }
.lang-menu li.active .lang-en { color: rgba(255,255,255,0.7); }