/* SMC Tech – shared.css */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:ital,wght@0,300;0,400;0,500;1,400&display=swap');

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

:root {
  --black:       #0d0d0d;
  --white:       #f5f4f0;
  --accent:      #e84c2b;
  --accent-dark: #b83920;
  --mid:         #1a1a1a;
  --surface:     #161616;
  --card-bg:     #1c1c1c;
  --text-muted:  #8a8a8a;
  --border:      rgba(255,255,255,0.08);
  --green:       #22c55e;
  --blue:        #3b82f6;
  --radius-sm:   8px;
  --radius-md:   12px;
  --radius-lg:   20px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--black);
  color: var(--white);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

h1,h2,h3,h4,h5 { font-family: 'Syne', sans-serif; line-height: 1.1; }

/* ── NAV ── */
nav {
  position: fixed; top:0; left:0; right:0; z-index:100;
  padding: 1.1rem 4vw;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(13,13,13,0.88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}
.logo { font-family:'Syne',sans-serif; font-weight:800; font-size:1.35rem;
  letter-spacing:-0.03em; color:var(--white); text-decoration:none; }
.logo span { color:var(--accent); }
.nav-links { display:flex; gap:2rem; list-style:none; align-items:center; }
.nav-links a { color:var(--text-muted); text-decoration:none; font-size:0.88rem;
  font-weight:500; letter-spacing:0.03em; transition:color 0.2s; }
.nav-links a:hover, .nav-links a.active { color:var(--white); }
.nav-cta { background:var(--accent)!important; color:var(--white)!important;
  padding:0.5rem 1.2rem!important; border-radius:50px; font-size:0.83rem!important;
  transition:background 0.2s!important; }
.nav-cta:hover { background:var(--accent-dark)!important; }
.hamburger { display:none; flex-direction:column; gap:5px; cursor:pointer; background:none; border:none; }
.hamburger span { width:24px; height:2px; background:var(--white); border-radius:2px; display:block; }

/* ── BUTTONS ── */
.btn-primary { background:var(--accent); color:var(--white); padding:0.8rem 1.8rem;
  border-radius:50px; font-weight:500; font-size:0.95rem; text-decoration:none;
  border:none; cursor:pointer; display:inline-block; transition:background 0.2s, transform 0.15s; }
.btn-primary:hover { background:var(--accent-dark); transform:translateY(-2px); }
.btn-secondary { background:transparent; color:var(--white); padding:0.8rem 1.8rem;
  border-radius:50px; font-weight:500; font-size:0.95rem; text-decoration:none;
  border:1px solid rgba(255,255,255,0.2); cursor:pointer; display:inline-block;
  transition:border-color 0.2s, transform 0.15s; }
.btn-secondary:hover { border-color:rgba(255,255,255,0.5); transform:translateY(-2px); }
.btn-ghost { background:rgba(255,255,255,0.05); color:var(--white); padding:0.65rem 1.4rem;
  border-radius:var(--radius-sm); font-weight:500; font-size:0.88rem; border:1px solid var(--border);
  cursor:pointer; transition:background 0.2s; }
.btn-ghost:hover { background:rgba(255,255,255,0.1); }

/* ── FORM ELEMENTS ── */
.form-group { margin-bottom:1.2rem; }
.form-group label { display:block; font-size:0.78rem; font-weight:500; color:var(--text-muted);
  margin-bottom:0.4rem; text-transform:uppercase; letter-spacing:0.07em; }
.form-group input, .form-group select, .form-group textarea {
  width:100%; padding:0.75rem 1rem; background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.1); border-radius:var(--radius-sm);
  color:var(--white); font-family:'DM Sans',sans-serif; font-size:0.95rem;
  transition:border-color 0.2s; outline:none; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color:var(--accent); }
.form-group input::placeholder, .form-group textarea::placeholder { color:rgba(255,255,255,0.2); }
.form-group select option { background:var(--card-bg); color:var(--white); }
.form-group textarea { resize:vertical; min-height:90px; }
.btn-form { width:100%; padding:0.85rem; background:var(--accent); color:var(--white);
  border:none; border-radius:var(--radius-sm); font-family:'Syne',sans-serif;
  font-size:1rem; font-weight:700; cursor:pointer; transition:background 0.2s; margin-top:0.4rem; }
.btn-form:hover { background:var(--accent-dark); }
.btn-form:disabled { background:var(--text-muted); cursor:not-allowed; }

/* ── SECTION ── */
section { padding:6rem 4vw; }
.section-label { font-size:0.72rem; font-weight:600; letter-spacing:0.15em;
  text-transform:uppercase; color:var(--accent); margin-bottom:0.7rem; display:block; }
.section-title { font-size:clamp(1.9rem,3.5vw,3rem); font-weight:800;
  letter-spacing:-0.03em; margin-bottom:1.2rem; }
.section-subtitle { font-size:1rem; color:var(--text-muted); max-width:580px; line-height:1.8; }
.divider { height:1px; background:var(--border); margin:0 4vw; }

/* ── CARDS ── */
.card { background:var(--card-bg); border:1px solid var(--border);
  border-radius:var(--radius-lg); padding:2rem; }

/* ── RESULT BOX ── */
.result-box { display:none; margin-top:1.2rem; background:rgba(34,197,94,0.08);
  border:1px solid rgba(34,197,94,0.25); border-radius:var(--radius-md); padding:1.2rem; }
.result-box.error { background:rgba(232,76,43,0.08); border-color:rgba(232,76,43,0.3); }
.result-box.show { display:block; }
.result-box h4 { font-size:0.9rem; font-weight:600; margin-bottom:0.5rem; color:var(--green); }
.result-box.error h4 { color:var(--accent); }
.result-box p { font-size:0.85rem; color:var(--text-muted); line-height:1.6; }

/* ── WARRANTY BAR ── */
.warranty-bar-wrap { margin-top:0.8rem; }
.warranty-bar-label { display:flex; justify-content:space-between;
  font-size:0.75rem; color:var(--text-muted); margin-bottom:0.35rem; }
.warranty-bar { height:8px; background:rgba(255,255,255,0.08); border-radius:4px; overflow:hidden; }
.warranty-bar-fill { height:100%; background:var(--green); border-radius:4px; transition:width 1s ease; }

/* ── BADGE ── */
.badge { display:inline-flex; align-items:center; gap:0.35rem; font-size:0.72rem;
  font-weight:600; padding:0.28rem 0.7rem; border-radius:50px;
  text-transform:uppercase; letter-spacing:0.06em; }
.badge-accent { background:var(--accent); color:var(--white); }
.badge-green  { background:rgba(34,197,94,0.12); color:var(--green); border:1px solid rgba(34,197,94,0.25); }
.badge-muted  { background:rgba(255,255,255,0.07); color:var(--text-muted); border:1px solid var(--border); }
.badge-blue   { background:rgba(59,130,246,0.12); color:#93c5fd; border:1px solid rgba(59,130,246,0.25); }

/* ── TOAST ── */
#toast { position:fixed; bottom:2rem; right:2rem; z-index:9999;
  background:var(--card-bg); border:1px solid var(--border); border-radius:var(--radius-md);
  padding:1rem 1.5rem; font-size:0.9rem; display:none;
  animation:slideUp 0.3s ease; max-width:320px; }
#toast.success { border-color:rgba(34,197,94,0.4); color:var(--green); }
#toast.error   { border-color:rgba(232,76,43,0.4); color:var(--accent); }
@keyframes slideUp { from{transform:translateY(20px);opacity:0} to{transform:translateY(0);opacity:1} }

/* ── FADE IN ── */
.fade-in { opacity:0; transform:translateY(22px); transition:opacity 0.6s ease,transform 0.6s ease; }
.fade-in.visible { opacity:1; transform:none; }

/* ── FOOTER ── */
footer { background:var(--surface); border-top:1px solid var(--border); padding:4rem 4vw 2rem; }
.footer-top { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:3rem; margin-bottom:3rem; }
.footer-brand .logo { font-size:1.2rem; }
.footer-brand p { font-size:0.88rem; color:var(--text-muted); line-height:1.7; margin-top:0.8rem; max-width:260px; }
.footer-col h4 { font-family:'Syne',sans-serif; font-size:0.82rem; font-weight:700;
  text-transform:uppercase; letter-spacing:0.08em; margin-bottom:1rem; }
.footer-col ul { list-style:none; }
.footer-col ul li { margin-bottom:0.55rem; }
.footer-col ul li a { color:var(--text-muted); text-decoration:none; font-size:0.86rem; transition:color 0.2s; }
.footer-col ul li a:hover { color:var(--white); }
.footer-bottom { border-top:1px solid var(--border); padding-top:1.8rem;
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:1rem; }
.footer-bottom p { font-size:0.8rem; color:var(--text-muted); }

/* ── MOBILE ── */
@media (max-width:900px) {
  .nav-links { display:none; flex-direction:column; position:fixed; top:65px; left:0; right:0;
    background:rgba(13,13,13,0.97); padding:2rem 4vw; gap:1.5rem; border-bottom:1px solid var(--border);
    backdrop-filter:blur(18px); z-index:99; }
  .nav-links.open { display:flex; }
  .hamburger { display:flex; }
  .footer-top { grid-template-columns:1fr 1fr; }
}
@media (max-width:600px) {
  .footer-top { grid-template-columns:1fr; }
  .footer-bottom { flex-direction:column; text-align:center; }
}