/* ============================================
   P&M Termoidraulica – Global Styles
   ============================================ */

:root {
  --navy:        #111111;
  --navy-dark:   #0a0a0a;
  --navy-mid:    #222222;
  --accent:      #e8760a;
  --accent-light:#fdf0e3;
  --sky:         #999999;
  --white:       #ffffff;
  --off-white:   #f5f5f5;
  --gray-100:    #f0f0f0;
  --gray-200:    #e0e0e0;
  --gray-500:    #6e6e6e;
  --gray-700:    #3d3d3d;
  --text:        #1a1a1a;
  --font-sans:   'Inter', system-ui, sans-serif;
  --font-serif:  'DM Serif Display', Georgia, serif;
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.10);
  --shadow-md:   0 4px 16px rgba(0,0,0,0.15);
  --max-w:       1100px;
  --section-py:  80px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.18s ease;
  border: none;
}
.btn-primary {
  background: var(--accent);
  color: var(--white);
}
.btn-primary:hover { background: #d06a08; transform: translateY(-1px); box-shadow: var(--shadow-md); }

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1.5px solid var(--accent);
}
.btn-outline:hover { background: rgba(232,119,10,0.14); border-color: var(--accent); }

/* ---- Section headings ---- */
.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 400;
  color: var(--navy);
  line-height: 1.2;
  margin-bottom: 14px;
}
.section-body {
  font-size: 16px;
  color: var(--gray-500);
  max-width: 560px;
  line-height: 1.7;
}

/* ---- Utilities ---- */
.text-center { text-align: center; }
.text-center .section-body { margin-left: auto; margin-right: auto; }

@media (max-width: 768px) {
  :root { --section-py: 56px; }
  .container { padding: 0 16px; }
}