/* ============================================================
   LetsBid Property — Refined Design Tokens
   Brand: Navy + Red, neutrals refined for premium SaaS feel
   ============================================================ */

:root {
  /* ---- Brand ---- */
  --lb-navy-950: #050B1B;
  --lb-navy-900: #0A1530;
  --lb-navy-800: #0F2345;   /* logo navy */
  --lb-navy-700: #1A3061;
  --lb-navy-600: #2A4480;
  --lb-navy-500: #4B68A6;
  --lb-navy-400: #7F94C2;
  --lb-navy-300: #B5C2DC;
  --lb-navy-200: #D6DEEC;
  --lb-navy-100: #EDF1F8;
  --lb-navy-50:  #F6F8FC;

  /* ---- Brand accent · Blue (CTA) ---- */
  --lb-red-700: #1E3FB0;
  --lb-red-600: #2A50CE;
  --lb-red-500: #3661EB;   /* primary */
  --lb-red-400: #5B7EEF;
  --lb-red-300: #90A9F5;
  --lb-red-100: #DCE4FC;
  --lb-red-50:  #EEF3FE;

  /* ---- Supporting accents ---- */
  --lb-gold-500: #E5B048;       /* awards / highlights */
  --lb-gold-100: #FBEFCF;
  --lb-green-500: #18A05A;      /* success / verified */
  --lb-green-100: #DFF6E9;

  /* ---- Neutrals (warm-cool blend) ---- */
  --lb-ink:      #06091A;       /* near-black for body */
  --lb-ink-2:    #20243A;
  --lb-ink-3:    #4A5066;
  --lb-ink-4:    #7B8194;
  --lb-line:     #E5E7EE;
  --lb-line-2:   #EFF1F6;
  --lb-bg:       #FAF8FE;       /* off-white page bg (light purple tint) */
  --lb-bg-2:     #F4F4EE;       /* soft warm panel */
  --lb-bg-3:     #ECECE4;
  --lb-white:    #FFFFFF;

  /* ---- Type ---- */
  --lb-font-display: "Inter Tight", "Inter", system-ui, sans-serif;
  --lb-font-body:    "Inter", system-ui, sans-serif;
  --lb-font-mono:    "JetBrains Mono", ui-monospace, monospace;
  --lb-font-serif:   "Instrument Serif", "Times New Roman", serif;

  /* ---- Type scale (1440 desktop) ---- */
  --lb-display-xl: clamp(56px, 9vw, 140px);   /* hero monolith */
  --lb-display-lg: clamp(44px, 6.5vw, 96px);
  --lb-display-md: clamp(36px, 4.5vw, 64px);
  --lb-h1: clamp(32px, 3.5vw, 48px);
  --lb-h2: clamp(26px, 2.6vw, 36px);
  --lb-h3: clamp(20px, 1.7vw, 24px);
  --lb-h4: 18px;
  --lb-body-lg: 18px;
  --lb-body: 16px;
  --lb-small: 14px;
  --lb-micro: 12px;
  --lb-eyebrow: 12px;

  /* ---- Spacing ---- */
  --lb-space-1: 4px;
  --lb-space-2: 8px;
  --lb-space-3: 12px;
  --lb-space-4: 16px;
  --lb-space-5: 24px;
  --lb-space-6: 32px;
  --lb-space-7: 48px;
  --lb-space-8: 64px;
  --lb-space-9: 96px;
  --lb-space-10: 128px;
  --lb-space-11: 160px;

  /* ---- Radius ---- */
  --lb-r-xs: 4px;
  --lb-r-sm: 8px;
  --lb-r-md: 12px;
  --lb-r-lg: 16px;
  --lb-r-xl: 24px;
  --lb-r-2xl: 32px;
  --lb-r-pill: 999px;

  /* ---- Shadow (soft, layered) ---- */
  --lb-shadow-xs: 0 1px 2px rgba(15, 35, 69, .06);
  --lb-shadow-sm: 0 2px 6px rgba(15, 35, 69, .06), 0 1px 2px rgba(15, 35, 69, .04);
  --lb-shadow-md: 0 10px 30px -10px rgba(15, 35, 69, .14), 0 4px 12px -4px rgba(15, 35, 69, .06);
  --lb-shadow-lg: 0 30px 60px -20px rgba(15, 35, 69, .22), 0 10px 24px -10px rgba(15, 35, 69, .10);
  --lb-shadow-glow: 0 20px 60px -10px rgba(54, 97, 235, .35);

  /* ---- Motion ---- */
  --lb-ease: cubic-bezier(.22, 1, .36, 1);
  --lb-ease-snap: cubic-bezier(.4, .8, .25, 1);
  --lb-dur-fast: 160ms;
  --lb-dur: 280ms;
  --lb-dur-slow: 520ms;

  /* ---- Layout ---- */
  --lb-max: 1280px;
  --lb-max-wide: 1440px;
  --lb-gutter: clamp(20px, 4vw, 56px);
}

/* ===================== Base ===================== */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-rendering: optimizeLegibility; }

body {
  margin: 0;
  font-family: var(--lb-font-body);
  color: var(--lb-ink);
  background: var(--lb-bg);
  font-size: var(--lb-body);
  line-height: 1.55;
  font-feature-settings: "ss01", "cv11";
}

img, svg, video { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

button { font: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }

::selection { background: var(--lb-navy-800); color: white; }

/* ===================== Typography utilities ===================== */
.lb-display-xl, .lb-display-lg, .lb-display-md, .lb-h1, .lb-h2, .lb-h3, .lb-h4 {
  font-family: var(--lb-font-display);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.04em;
  color: var(--lb-navy-900);
  margin: 0;
  text-wrap: balance;
}
.lb-display-xl { font-size: var(--lb-display-xl); letter-spacing: -0.05em; line-height: .92; }
.lb-display-lg { font-size: var(--lb-display-lg); letter-spacing: -0.045em; line-height: .96; }
.lb-display-md { font-size: var(--lb-display-md); letter-spacing: -0.035em; }
.lb-h1 { font-size: var(--lb-h1); letter-spacing: -0.03em; line-height: 1.05; }
.lb-h2 { font-size: var(--lb-h2); letter-spacing: -0.025em; line-height: 1.1; }
.lb-h3 { font-size: var(--lb-h3); letter-spacing: -0.015em; line-height: 1.2; font-weight: 600; }
.lb-h4 { font-size: var(--lb-h4); letter-spacing: -0.01em; font-weight: 600; }

.lb-eyebrow {
  font: 600 var(--lb-eyebrow)/1 var(--lb-font-mono);
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--lb-ink-3);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.lb-eyebrow::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--lb-red-500);
}
.lb-eyebrow.navy::before { background: var(--lb-navy-800); }
.lb-eyebrow.gold::before { background: var(--lb-gold-500); }

.lb-mono { font-family: var(--lb-font-mono); font-feature-settings: "tnum"; }

.lb-lede {
  font-size: clamp(18px, 1.4vw, 22px);
  line-height: 1.5;
  color: var(--lb-ink-2);
  max-width: 60ch;
  text-wrap: pretty;
}

/* ===================== Containers ===================== */
.lb-wrap { max-width: var(--lb-max); margin: 0 auto; padding: 0 var(--lb-gutter); }
.lb-wrap-wide { max-width: var(--lb-max-wide); margin: 0 auto; padding: 0 var(--lb-gutter); }
.lb-section { padding: clamp(64px, 9vw, 128px) 0; }
.lb-section-tight { padding: clamp(48px, 6vw, 80px) 0; }

/* ===================== Buttons ===================== */
.lb-btn {
  display: inline-flex; align-items: center; gap: 10px;
  height: 52px; padding: 0 24px;
  border-radius: var(--lb-r-pill);
  font: 600 15px/1 var(--lb-font-body);
  letter-spacing: -0.005em;
  transition: transform var(--lb-dur-fast) var(--lb-ease), background var(--lb-dur) var(--lb-ease), color var(--lb-dur) var(--lb-ease), box-shadow var(--lb-dur) var(--lb-ease);
  white-space: nowrap;
  cursor: pointer;
}
.lb-btn:active { transform: translateY(1px); }
.lb-btn--primary {
  background: var(--lb-red-500); color: white;
  box-shadow: 0 8px 24px -8px rgba(54, 97, 235, .5), inset 0 -2px 0 rgba(0,0,0,.12);
}
.lb-btn--primary:hover { background: var(--lb-red-600); box-shadow: 0 14px 30px -8px rgba(54, 97, 235, .55); }
.lb-btn--dark {
  background: var(--lb-navy-900); color: white;
  box-shadow: inset 0 -2px 0 rgba(0,0,0,.2);
}
.lb-btn--dark:hover { background: var(--lb-navy-800); }
.lb-btn--ghost {
  background: transparent; color: var(--lb-navy-900);
  box-shadow: inset 0 0 0 1px var(--lb-navy-200);
}
.lb-btn--ghost:hover { background: var(--lb-navy-50); box-shadow: inset 0 0 0 1px var(--lb-navy-300); }
.lb-btn--ghost-light {
  background: rgba(255,255,255,.08); color: white;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.18);
  backdrop-filter: blur(8px);
}
.lb-btn--ghost-light:hover { background: rgba(255,255,255,.16); }
.lb-btn--sm { height: 40px; padding: 0 18px; font-size: 14px; }
.lb-btn--lg { height: 60px; padding: 0 32px; font-size: 16px; }

.lb-btn svg { width: 16px; height: 16px; }

/* ===================== Pills / Chips ===================== */
.lb-chip {
  display: inline-flex; align-items: center; gap: 8px;
  height: 32px; padding: 0 14px;
  border-radius: var(--lb-r-pill);
  background: var(--lb-white);
  box-shadow: inset 0 0 0 1px var(--lb-line);
  font: 500 13px/1 var(--lb-font-body);
  color: var(--lb-ink-2);
  letter-spacing: -0.005em;
}
.lb-chip--dark {
  background: rgba(255,255,255,.06); color: rgba(255,255,255,.92);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.14);
}
.lb-chip--solid { background: var(--lb-navy-100); box-shadow: none; color: var(--lb-navy-800); font-weight: 600; }

/* ===================== Card ===================== */
.lb-card {
  background: var(--lb-white);
  border-radius: var(--lb-r-lg);
  box-shadow: var(--lb-shadow-sm);
  border: 1px solid var(--lb-line);
  overflow: hidden;
  transition: transform var(--lb-dur) var(--lb-ease), box-shadow var(--lb-dur) var(--lb-ease);
}
.lb-card:hover { transform: translateY(-3px); box-shadow: var(--lb-shadow-md); }
.lb-card--flat { box-shadow: none; }
.lb-card--inset { background: var(--lb-bg-2); border-color: transparent; }

/* ===================== Marquee ===================== */
@keyframes lb-marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.lb-marquee {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}
.lb-marquee__track {
  display: flex; gap: 64px;
  width: max-content;
  animation: lb-marquee 40s linear infinite;
}
.lb-marquee__track > * { flex-shrink: 0; }

/* ===================== Star rating ===================== */
.lb-stars { display: inline-flex; gap: 2px; color: var(--lb-gold-500); font-size: 14px; }

/* ===================== Section divider — gradient hairline ===================== */
.lb-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--lb-line) 20%, var(--lb-line) 80%, transparent);
}

/* ===================== Scrollbar slim ===================== */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--lb-navy-300); border-radius: 999px; }
::-webkit-scrollbar-track { background: transparent; }