/* =========================================================
   LEDSTORE — Professional Base Theme (Light)
   - Single source of truth for colors, spacing, typography
   - Used by all pages
   ========================================================= */

:root{
  /* Colors */
  --bg: #f6f7fb;
  --surface: #ffffff;
  --surface-2: #f1f5f9;
  --text: #0f172a;
  --muted: #475569;
  --border: rgba(15, 23, 42, 0.12);

  /* Brand */
  --primary: #2563eb;
  --primary-2: #0ea5e9;

  /* Layout */
  --container: 1120px;
  --radius: 16px;
  --shadow: 0 12px 32px rgba(2, 6, 23, 0.10);

  /* Header offset (fixed header) */
  --header-h: 76px;
}

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

html, body{ height: 100%; }

body{
  margin: 0;
  padding-top: var(--header-h);
  color: var(--text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height: 1.6;
  background:
    radial-gradient(900px 420px at 15% 0%, rgba(37,99,235,0.10), transparent 60%),
    radial-gradient(900px 420px at 90% 10%, rgba(14,165,233,0.10), transparent 60%),
    var(--bg);
}

/* Media */
img{ max-width: 100%; display: block; }
video{ max-width: 100%; display: block; }

/* Links */
a{ color: inherit; text-decoration: none; }
a:hover{ text-decoration: none; }

/* Container */
.container{
  max-width: var(--container);
}

/* Sections */
.section{
  padding: clamp(28px, 4vw, 64px) 0;
}

.section-head{
  text-align: center;
  margin-bottom: 22px;
}

.section-title{
  margin: 0 0 10px;
  font-size: clamp(24px, 3vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.section-lead{
  margin: 0 auto;
  max-width: 860px;
  color: var(--muted);
  font-size: clamp(15px, 1.4vw, 18px);
}

/* Cards */
.cardx{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.cardx-pad{ padding: 18px; }

/* Buttons (compatible with Bootstrap but usable standalone) */
.btn-primary{
  background-color: var(--primary);
  border-color: var(--primary);
}
.btn-primary:hover{
  background-color: #1d4ed8;
  border-color: #1d4ed8;
}
.btn-outline-primary{
  color: var(--primary);
  border-color: rgba(37, 99, 235, 0.35);
}
.btn-outline-primary:hover{
  background: rgba(37, 99, 235, 0.08);
  border-color: rgba(37, 99, 235, 0.55);
  color: var(--primary);
}

/* Utilities */
.shadow-soft{ box-shadow: var(--shadow); }
.rounded-xl{ border-radius: var(--radius); }
.text-muted{ color: var(--muted) !important; }

/* Reduce motion */
@media (prefers-reduced-motion: reduce){
  *{ scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}