/* ============================================================
   BIM Programmer — style.css
   Navy + Amber design system
   ============================================================ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --dark:       #0f172a;
  --dark-mid:   #1e293b;
  --dark-card:  #162032;
  --accent:     #f59e0b;
  --accent-dim: #d97706;
  --accent-pale:#fef3c7;
  --light:      #f8fafc;
  --white:      #ffffff;
  --text:       #1e293b;
  --text-muted: #64748b;
  --border:     #e2e8f0;

  --font-head: 'DM Sans', sans-serif;
  --font-body: 'Inter', sans-serif;

  --header-h:  72px;
  --radius:    8px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,.07);
  --shadow-md: 0 8px 24px rgba(0,0,0,.12);
  --trans:     .25s ease;
  --max-w:     1100px;
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text);
  background: var(--light);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding-top: var(--header-h);
  padding-bottom: 48px;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--accent-dim); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; }

/* ── Typography ─────────────────────────────────────────────── */
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.2; color: var(--text); }
h1 { font-size: clamp(1.4rem, 3vw, 1.8rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); text-align: center; margin-bottom: 2rem; }
h3 { font-size: 1.1rem; }
p  { line-height: 1.7; color: var(--text-muted); }

/* ── Layout ─────────────────────────────────────────────────── */
.container { width: 92%; max-width: var(--max-w); margin: 0 auto; }
section { padding: 60px 0; }
section:nth-child(even) { background: var(--white); }
main { flex: 1; }

/* ── Header ─────────────────────────────────────────────────── */
header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: var(--header-h);
  background: var(--dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 1000;
  box-shadow: 0 2px 16px rgba(0,0,0,.4);
}
.logo-link { text-decoration: none; }
.logo-container { display: flex; align-items: center; gap: 12px; }
.logo-icon { flex-shrink: 0; }
.logo-container h1 {
  color: var(--white);
  font-family: var(--font-head);
  font-size: 1.2rem;
  letter-spacing: .01em;
}
.logo-container h1 span { color: var(--accent); }

/* ── Hamburger ──────────────────────────────────────────────── */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--trans), opacity var(--trans);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Nav ────────────────────────────────────────────────────── */
nav ul { display: flex; gap: 24px; }
nav ul li a {
  color: #94a3b8;
  font-family: var(--font-head);
  font-size: .83rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  text-decoration: none;
  transition: color var(--trans);
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
}
nav ul li a:hover,
nav ul li a.active { color: var(--accent); border-bottom-color: var(--accent); }

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  background: var(--dark);
  color: var(--white);
  text-align: center;
  padding: 80px 24px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(245,158,11,.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero h2 {
  color: var(--white);
  font-size: clamp(2rem, 5vw, 2.8rem);
  margin-bottom: 1rem;
}
.hero h2 span { color: var(--accent); }
.hero p { color: #94a3b8; font-size: 1.05rem; max-width: 580px; margin: 0 auto 1.5rem; }
.hero-badges { display:flex; flex-wrap:wrap; gap:8px; justify-content:center; margin: 1rem 0 1.5rem; }
.hero-badges span {
  background: rgba(245,158,11,.1);
  border: 1px solid rgba(245,158,11,.3);
  color: #fcd34d;
  font-family: var(--font-head);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 20px;
}
.hero-ctas { display:flex; gap:12px; flex-wrap:wrap; justify-content:center; margin-top:1.5rem; }
.hero-note { margin-top:1rem; font-size:.85rem; color:#64748b; }
.hero-note strong { color: var(--accent); }

/* ── Buttons ────────────────────────────────────────────────── */
.cta-button {
  display: inline-block;
  background: var(--accent);
  color: var(--dark);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .88rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: 12px 28px;
  border-radius: var(--radius);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background var(--trans), transform var(--trans);
}
.cta-button:hover { background: var(--accent-dim); transform: translateY(-2px); text-decoration: none; }
.cta-button.outline {
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--accent);
}
.cta-button.outline:hover { background: var(--accent); color: var(--dark); }

/* ── Section label ──────────────────────────────────────────── */
.section-label {
  display: block;
  text-align: center;
  font-family: var(--font-head);
  font-size: .72rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .5rem;
}

/* ── Stats row ──────────────────────────────────────────────── */
.stats-row { display:flex; flex-wrap:wrap; justify-content:center; }
.stat-item { flex:1 1 160px; text-align:center; padding:20px 16px; border-right:1px solid rgba(255,255,255,.07); }
.stat-item:last-child { border-right:none; }
.stat-num { font-family:var(--font-head); font-size:2rem; font-weight:800; color:var(--accent); line-height:1; }
.stat-num span { font-size:1.2rem; }
.stat-label { font-size:.72rem; color:#64748b; text-transform:uppercase; letter-spacing:.1em; margin-top:6px; }
@media(max-width:600px){ .stat-item { border-right:none; border-bottom:1px solid rgba(255,255,255,.07); flex:1 1 45%; } }

/* ── Services grid ──────────────────────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 20px;
  margin-top: 1rem;
}
.service {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--trans), box-shadow var(--trans), border-color var(--trans);
}
.service:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--accent); }
.service-icon { font-size: 1.6rem; margin-bottom: 12px; color: var(--accent); }
.service h3 { font-family: var(--font-head); color: var(--text); margin-bottom: 10px; }
.service p { font-size: .93rem; }

/* ── Why grid ───────────────────────────────────────────────── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}
.why-card {
  background: var(--dark-mid);
  border-radius: var(--radius);
  padding: 24px;
  border-left: 3px solid var(--accent);
}
.why-card strong { display: block; color: var(--white); font-family: var(--font-head); margin-bottom: 8px; }
.why-card p { color: #64748b; font-size: .9rem; }

/* ── Testimonials ───────────────────────────────────────────── */
.testimonial-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.testimonial {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--accent);
}
.testimonial blockquote { font-style: italic; color: var(--text-muted); line-height: 1.7; margin-bottom: 1rem; }
.testimonial blockquote::before { content: '\201C'; font-size: 2.5rem; color: var(--accent); line-height: 0; vertical-align: -.5rem; margin-right: 4px; }
.testimonial cite { font-style: normal; font-weight: 700; font-size: .85rem; color: var(--text); font-family: var(--font-head); }

/* ── Forms ──────────────────────────────────────────────────── */
form { display: flex; flex-direction: column; max-width: 560px; margin: 0 auto; }
form label { display: block; font-weight: 700; font-size: .82rem; text-transform: uppercase; letter-spacing: .06em; color: var(--text); margin-bottom: 5px; margin-top: 16px; }
form input, form textarea {
  width: 100%; padding: 10px 14px;
  border: 1px solid var(--border); border-radius: var(--radius);
  font-family: var(--font-body); font-size: 1rem; color: var(--text); background: var(--white);
  transition: border-color var(--trans);
}
form input:focus, form textarea:focus { outline: none; border-color: var(--accent); }
form button { display:inline-block; margin-top:20px; background:var(--accent); color:var(--dark); font-family:var(--font-head); font-weight:700; font-size:.88rem; letter-spacing:.06em; text-transform:uppercase; padding:12px 28px; border:none; border-radius:var(--radius); cursor:pointer; transition:background var(--trans), transform var(--trans); }
form button:hover { background: var(--accent-dim); transform: translateY(-2px); }
.success { color:#166534; background:#dcfce7; padding:10px 14px; border:1px solid #86efac; border-radius:var(--radius); margin-top:14px; }
.error   { color:#991b1b; background:#fee2e2; padding:10px 14px; border:1px solid #fca5a5; border-radius:var(--radius); margin-top:14px; }

/* ── Social bar ─────────────────────────────────────────────── */
.social-bar { background: var(--dark-mid); padding: 24px; text-align: center; }
.social-bar p { color: #64748b; font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 14px; }
.social-icons { display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.social-icons a {
  display: flex; align-items: center; gap: 7px;
  color: white; padding: 8px 14px; border-radius: var(--radius);
  font-size: .82rem; font-weight: 700; text-decoration: none;
  transition: transform var(--trans), filter var(--trans);
}
.social-icons a:hover { transform: translateY(-2px); filter: brightness(1.15); text-decoration: none; }
.social-icons a[href*="youtube"]   { background: #FF0000; }
.social-icons a[href*="facebook"]  { background: #1877F2; }
.social-icons a[href*="twitter"]   { background: #1DA1F2; }
.social-icons a[href*="instagram"] { background: #E1306C; }
.social-icons a[href*="linkedin"]  { background: #0077B5; }
.social-icons a[href*="cadprogrammer"] { background: #2dd4bf; color: #1a1c26; }

/* ── Footer ─────────────────────────────────────────────────── */
footer {
  position: fixed; bottom: 0; left: 0; width: 100%; z-index: 999;
  background: var(--dark); color: #64748b;
  text-align: center; padding: 12px 24px; font-size: .85rem;
  box-shadow: 0 -2px 8px rgba(0,0,0,.25);
}
footer a { color: var(--accent); text-decoration: none; }
footer a:hover { text-decoration: underline; }
@media(max-width:540px){ footer .footer-copy { display: none; } body { padding-bottom: 40px; } }

/* ── Contact page ───────────────────────────────────────────── */
.contact-map-container { display: flex; flex-wrap: wrap; gap: 24px; align-items: flex-start; }
.contact-container { flex: 1 1 360px; background: var(--white); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow-sm); }
.contact-container h1 { margin-bottom: 8px; }
.contact-container p { margin-bottom: 6px; }
.map-container { flex: 1 1 300px; background: var(--white); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-sm); text-align: center; }
.map-container h3 { margin-bottom: 14px; }
.map-container iframe { border-radius: var(--radius); width: 100%; max-width: 380px; height: 300px; }
.map-contact-info { margin-top: 16px; }
.map-contact-info p { margin: 6px 0; font-size: .9rem; }
.map-contact-info a { color: var(--accent-dim); font-weight: 700; }

/* ── WhatsApp ───────────────────────────────────────────────── */
.whatsapp-btn {
  position: fixed; bottom: 60px; right: 20px; z-index: 998;
  background: #25D366; width: 52px; height: 52px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px rgba(0,0,0,.25);
  transition: transform var(--trans);
}
.whatsapp-btn:hover { transform: scale(1.1); }
@media(max-width:540px){ .whatsapp-btn { bottom:52px; right:14px; width:46px; height:46px; } }

/* ── Responsive nav ─────────────────────────────────────────── */
@media(max-width:860px){
  .nav-toggle { display: flex; }
  nav {
    position: fixed; top: var(--header-h); left: 0; width: 100%;
    background: var(--dark-mid); max-height: 0; overflow: hidden;
    transition: max-height .3s ease; z-index: 998;
    box-shadow: 0 4px 12px rgba(0,0,0,.3);
  }
  nav.open { max-height: 400px; }
  nav ul { flex-direction: column; gap: 0; padding: 8px 0 16px; }
  nav ul li a { display: block; padding: 12px 24px; border-bottom: none; font-size: .9rem; }
  nav ul li a:hover, nav ul li a.active { background: rgba(255,255,255,.05); border-bottom: none; }
  .contact-map-container { flex-direction: column; }
}
@media(max-width:540px){
  .social-icons a span { display: none; }
  .social-icons a { padding: 10px; }
}