/* =============================================================
   Král lenochů — Automatizace firemních procesů
   Custom styles (pairs with Tailwind CSS via CDN)
   ============================================================= */

/* ── Root tokens ── */
:root {
  --bg:           #FFFFFF;
  --bg-alt:       #F8F9FA;
  --border:       rgba(15, 23, 42, 0.08);
  --primary:      #2563EB;
  --primary-dark: #1D4ED8;
  --primary-dim:  rgba(37, 99, 235, 0.08);
  --accent:       #F59E0B;
  --accent-dark:  #D97706;
  --success:      #10B981;
  --ink:          #1F2937;
}

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

html { background: var(--bg); }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Scrollbar ── */
::-webkit-scrollbar            { width: 4px; }
::-webkit-scrollbar-track      { background: var(--bg); }
::-webkit-scrollbar-thumb      { background: #cbd5e1; border-radius: 2px; }
::-webkit-scrollbar-thumb:hover{ background: var(--primary); }

/* ── Selection ── */
::selection {
  background: rgba(37, 99, 235, 0.18);
  color: var(--ink);
}

/* ── Alternating section background ── */
.bg-slate-alt { background: var(--bg-alt); }

/* ── Eyebrow labels ── */
.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8125rem;
  color: var(--primary);
  font-weight: 500;
}

/* ============================================================
   GRADIENT TEXT
   ============================================================ */
.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
#navbar { background: transparent; }

.navbar-scrolled {
  background: rgba(255, 255, 255, 0.9) !important;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.logo-crown { color: var(--accent); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
}
.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.28);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }

.btn-accent {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
}
.btn-accent:hover {
  background: var(--accent-dark);
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.32);
  transform: translateY(-1px);
}
.btn-accent:active { transform: translateY(0); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  color: var(--ink);
  border: 1px solid rgba(15, 23, 42, 0.14);
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
}
.btn-secondary:hover {
  background: var(--bg-alt);
  border-color: rgba(15, 23, 42, 0.22);
  transform: translateY(-1px);
}
.btn-secondary:active { transform: translateY(0); }

/* ============================================================
   HERO
   ============================================================ */

/* Tech badges */
.tech-badge {
  display: inline-block;
  background: #fff;
  border: 1px solid var(--border);
  color: #64748b;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 9999px;
  font-family: 'JetBrains Mono', monospace;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.tech-badge:hover {
  border-color: rgba(37, 99, 235, 0.3);
  color: var(--primary);
  background: var(--primary-dim);
}

.tech-badge-primary {
  border-color: rgba(37, 99, 235, 0.35);
  background: var(--primary-dim);
  color: var(--primary-dark);
  font-weight: 600;
  font-size: 0.8125rem;
  padding: 6px 14px;
}
.tech-badge-primary:hover {
  border-color: var(--primary);
  background: rgba(37, 99, 235, 0.14);
}

.tech-badge-secondary {
  color: #94a3b8;
  border-color: rgba(15, 23, 42, 0.06);
  background: transparent;
}

/* ============================================================
   PROBLEM CARDS
   ============================================================ */
.problem-card {
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease, box-shadow 0.25s, border-color 0.25s;
}
.problem-card.in-view {
  opacity: 1;
  transform: translateY(0);
}
.problem-card:hover {
  border-color: rgba(37, 99, 235, 0.25);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

.problem-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--primary-dim);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============================================================
   SOLUTION CARDS
   ============================================================ */
.solution-card {
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease, box-shadow 0.25s, border-color 0.25s, transform 0.2s;
}
.solution-card.in-view {
  opacity: 1;
  transform: translateY(0);
}
.solution-card:hover {
  border-color: rgba(37, 99, 235, 0.25);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.1);
  transform: translateY(-3px);
}

.solution-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary-dim), rgba(245, 158, 11, 0.1));
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============================================================
   BENEFITS
   ============================================================ */
.check-icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.12);
  color: var(--success);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Proof stat callout */
.proof-card {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.06), rgba(245, 158, 11, 0.08));
  border: 1px solid rgba(37, 99, 235, 0.15);
}

/* ============================================================
   WHY CARDS
   ============================================================ */
.why-card {
  background: #fff;
  border: 1px solid var(--border);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease, border-color 0.25s, box-shadow 0.25s;
}
.why-card.in-view {
  opacity: 1;
  transform: translateY(0);
}
.why-card:hover {
  border-color: rgba(245, 158, 11, 0.3);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.07);
}

.why-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(245, 158, 11, 0.1);
  color: var(--accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============================================================
   SHOWCASE CARDS
   ============================================================ */
.showcase-card {
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease, box-shadow 0.25s, border-color 0.25s, transform 0.2s;
}
.showcase-card.in-view {
  opacity: 1;
  transform: translateY(0);
}
.showcase-card:hover {
  border-color: rgba(37, 99, 235, 0.25);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.1);
  transform: translateY(-3px);
}

.showcase-icon {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: var(--primary-dim);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.showcase-tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 9999px;
  background: rgba(245, 158, 11, 0.1);
  color: var(--accent-dark);
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.02em;
}

/* ============================================================
   RESPONSIVE ADJUSTMENTS
   ============================================================ */
@media (max-width: 640px) {
  .tech-badge { font-size: 0.6875rem; padding: 3px 9px; }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}