/* ===========================================================================
   TECH SPOT — Colors & Type foundations
   New brand: cobalt "Spot Blue" + energetic "Spot Orange" + deep navy "Ink".
   Derived from the client's preferred app palette and the Tech Spot wordmark.
   Fonts loaded from Google Fonts CDN (see fonts/README.md — substitution flagged).
   =========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@500;600;700;800;900&family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400;1,500&family=JetBrains+Mono:wght@400;500;600&family=Cairo:wght@400;500;600;700;800;900&display=swap');

:root {
  /* ---------- Brand: Spot Blue (primary) ---------- */
  --spot-blue-50:  #EEF3FE;
  --spot-blue-100: #D9E4FD;
  --spot-blue-200: #B7CCFB;
  --spot-blue-300: #8AAAF7;
  --spot-blue-400: #4F7DF0;
  --spot-blue-500: #1E50E5; /* PRIMARY */
  --spot-blue-600: #1840C4;
  --spot-blue-700: #13339B;
  --spot-blue-800: #0F2870;
  --spot-blue-900: #0B1E3F; /* INK — deep navy from the wordmark */

  /* ---------- Brand: Spot Orange (accent) ---------- */
  --spot-orange-50:  #FFF2EC;
  --spot-orange-100: #FFDFD0;
  --spot-orange-200: #FCC4AA;
  --spot-orange-300: #FBA886;
  --spot-orange-400: #F7855A;
  --spot-orange-500: #F36633; /* ACCENT */
  --spot-orange-600: #E0521E;
  --spot-orange-700: #B83E12;

  /* ---------- Neutrals (cool, navy-tinted) ---------- */
  --neutral-0:   #FFFFFF;
  --neutral-50:  #F6F8FC;
  --neutral-100: #EDF1F7;
  --neutral-200: #DCE3EE;
  --neutral-300: #C2CCDC;
  --neutral-400: #94A1B8;
  --neutral-500: #6B7A95;
  --neutral-600: #4C5A74;
  --neutral-700: #344056;
  --neutral-800: #1E2940;
  --neutral-900: #0B1E3F;

  /* ---------- Semantic status ---------- */
  --success: #1F9D6B;
  --success-bg: #E7F6EF;
  --warning: #F3A93B;
  --warning-bg: #FEF4E2;
  --danger:  #E5484D;
  --danger-bg: #FCEBEC;
  --info: var(--spot-blue-500);
  --info-bg: var(--spot-blue-50);

  /* ---------- Semantic surface & text ---------- */
  --bg:           var(--neutral-0);
  --bg-subtle:    var(--neutral-50);
  --bg-ink:       var(--spot-blue-900); /* deep navy section bg */
  --surface:      #FFFFFF;
  --surface-2:    var(--neutral-50);

  --fg-1: var(--neutral-900);  /* primary text   */
  --fg-2: var(--neutral-600);  /* secondary text */
  --fg-3: var(--neutral-400);  /* muted / hints  */
  --fg-on-blue:   #FFFFFF;
  --fg-on-blue-2: #B7CCFB;     /* secondary text on blue/navy */

  --border:        var(--neutral-200);
  --border-strong: var(--neutral-300);
  --border-on-ink: rgba(255,255,255,.14);

  --primary:    var(--spot-blue-500);
  --primary-fg: #FFFFFF;
  --primary-hover:  var(--spot-blue-600);
  --primary-press:  var(--spot-blue-700);
  --accent:     var(--spot-orange-500);
  --accent-fg:  #FFFFFF;
  --accent-hover: var(--spot-orange-600);

  --focus-ring: 0 0 0 3px var(--spot-blue-200);

  /* ---------- Radii (brand leans rounded / pill) ---------- */
  --radius-xs:  6px;
  --radius-sm:  10px;
  --radius-md:  14px;
  --radius-lg:  20px;
  --radius-xl:  28px;
  --radius-2xl: 36px;
  --radius-pill: 999px;

  /* ---------- Spacing (4px base) ---------- */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* ---------- Elevation (soft, navy-tinted) ---------- */
  --shadow-xs: 0 1px 2px rgba(11,30,63,.06);
  --shadow-sm: 0 1px 2px rgba(11,30,63,.06), 0 1px 1px rgba(11,30,63,.04);
  --shadow-md: 0 6px 18px rgba(11,30,63,.08), 0 2px 6px rgba(11,30,63,.05);
  --shadow-lg: 0 16px 40px rgba(11,30,63,.12), 0 4px 12px rgba(11,30,63,.06);
  --shadow-xl: 0 28px 64px rgba(11,30,63,.18);
  --shadow-blue: 0 10px 26px rgba(30,80,229,.32);   /* primary button glow */
  --shadow-orange: 0 10px 26px rgba(243,102,51,.32); /* accent button glow  */

  /* ---------- Type families ---------- */
  --font-display: 'Archivo', ui-sans-serif, system-ui, -apple-system, sans-serif; /* headings + wordmark */
  --font-sans:    'Plus Jakarta Sans', ui-sans-serif, system-ui, -apple-system, sans-serif; /* body / UI */
  --font-mono:    'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace; /* specs / code */
  --font-arabic:  'Cairo', 'Tajawal', ui-sans-serif, system-ui, sans-serif; /* Arabic display + UI */

  /* ---------- Type scale ---------- */
  --text-xs:   12px;
  --text-sm:   14px;
  --text-base: 16px;
  --text-lg:   18px;
  --text-xl:   22px;
  --text-2xl:  28px;
  --text-3xl:  36px;
  --text-4xl:  48px;
  --text-5xl:  64px;
  --text-6xl:  84px;

  --leading-tight: 1.06;
  --leading-snug:  1.25;
  --leading-normal:1.6;

  --tracking-tight: -0.02em;
  --tracking-snug:  -0.01em;
  --tracking-wide:  0.08em; /* eyebrows / labels */
}

/* ===========================================================================
   Semantic element styles — attach via these classes (.ts-h1 etc.)
   =========================================================================== */
.ts-display {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-6xl);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--fg-1);
}
.ts-h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-4xl);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--fg-1);
}
.ts-h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-3xl);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-tight);
  color: var(--fg-1);
}
.ts-h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-2xl);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-snug);
  color: var(--fg-1);
}
.ts-h4 {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: var(--text-xl);
  line-height: var(--leading-snug);
  color: var(--fg-1);
}
.ts-lead {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: var(--text-lg);
  line-height: var(--leading-normal);
  color: var(--fg-2);
}
.ts-body {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--fg-1);
}
.ts-small {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--fg-2);
}
.ts-eyebrow {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--accent);
}
.ts-mono {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--text-sm);
  letter-spacing: -0.01em;
  color: var(--fg-1);
}

/* ---------- Arabic ---------- */
.ts-ar-display {
  font-family: var(--font-arabic);
  font-weight: 900;
  font-size: var(--text-4xl);
  line-height: 1.2;
  color: var(--fg-1);
  direction: rtl;
}
.ts-ar-h2 {
  font-family: var(--font-arabic);
  font-weight: 800;
  font-size: var(--text-3xl);
  line-height: 1.3;
  color: var(--fg-1);
  direction: rtl;
}
.ts-ar-body {
  font-family: var(--font-arabic);
  font-weight: 500;
  font-size: var(--text-base);
  line-height: 1.8; /* Arabic benefits from looser leading */
  color: var(--fg-1);
  direction: rtl;
}

/* =============================================================
   WORDMARK — canonical Tech Spot lockup (Archivo) + Arabic (Cairo)
   Markup:
     <span class="ts-logo">Tech<span class="ts-logo__pill">Spot</span></span>
   Modifiers on .ts-logo: --on-navy (default) / --on-white / --accent / --on-blue
   Arabic: <span class="ts-logo ts-logo--ar" dir="rtl">تك<span class="ts-logo__pill">سبوت</span></span>
   ============================================================= */
.ts-logo {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.03em;
  font-size: var(--logo-size, 44px);
  line-height: 1;
  display: inline-flex;
  align-items: center;
  user-select: none;
  white-space: nowrap;
  /* default = on-navy treatment */
  --tech: #fff;
  --pill-bg: #fff;
  --pill-fg: var(--spot-blue-900);
}
.ts-logo__tech { color: var(--tech); padding-right: 0.05em; }
.ts-logo__pill {
  color: var(--pill-fg);
  background: var(--pill-bg);
  border-radius: var(--radius-pill);
  padding: 0.08em 0.40em 0.16em;
  display: inline-block;
}
.ts-logo--on-white { --tech: var(--spot-blue-900); --pill-bg: var(--spot-blue-500); --pill-fg: #fff; }
.ts-logo--accent   { --tech: var(--spot-blue-900); --pill-bg: var(--spot-orange-500); --pill-fg: #fff; }
.ts-logo--on-blue  { --tech: #fff; --pill-bg: #fff; --pill-fg: var(--spot-blue-600); }
.ts-logo--ar { font-family: var(--font-arabic); font-weight: 900; letter-spacing: 0; gap: 0.12em; }
.ts-logo--ar .ts-logo__tech { padding-right: 0; }
.ts-logo--ar .ts-logo__pill { padding: 0.04em 0.36em 0.16em; }

/* TS monogram mark (square brand symbol / app icon glyph) */
.ts-mark {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1;
  color: #fff;
}
.ts-mark > .s { color: var(--spot-orange-500); }

/* ===========================================================================
   DARK MODE — apply with <html data-theme="dark"> (or class .dark).
   Remaps semantic surface/text tokens to a deep-navy theme. Brand scales,
   spacing, radii and type are unchanged.
   =========================================================================== */
[data-theme="dark"], .dark {
  --bg:        #081124;            /* near-black navy */
  --bg-subtle: #0C1A38;
  --bg-ink:    #081124;
  --surface:   #102347;           /* elevated card */
  --surface-2: #0C1A38;

  --fg-1: #FFFFFF;
  --fg-2: #AFC0DE;
  --fg-3: #6F80A0;

  --border:        rgba(255,255,255,.12);
  --border-strong: rgba(255,255,255,.22);

  --primary:       var(--spot-blue-400); /* lift for contrast on dark */
  --primary-hover: var(--spot-blue-300);
  --primary-press: var(--spot-blue-500);

  --info-bg:    rgba(79,125,240,.16);
  --success-bg: rgba(31,157,107,.18);
  --warning-bg: rgba(243,169,59,.16);
  --danger-bg:  rgba(229,72,77,.18);

  --shadow-xs: 0 1px 2px rgba(0,0,0,.4);
  --shadow-sm: 0 1px 2px rgba(0,0,0,.45), 0 1px 1px rgba(0,0,0,.4);
  --shadow-md: 0 6px 18px rgba(0,0,0,.5), 0 2px 6px rgba(0,0,0,.4);
  --shadow-lg: 0 16px 40px rgba(0,0,0,.55), 0 4px 12px rgba(0,0,0,.4);
  --shadow-xl: 0 28px 64px rgba(0,0,0,.6);
  --focus-ring: 0 0 0 3px rgba(79,125,240,.5);
}