/* EVTechGuard — Global Stylesheet
   Brand: #00B140 green · #0A1628 navy · TÜV NORD OBCD partnership
   Fonts: Syne (display) · DM Sans (body) · IBM Plex Mono (diagnostic data)
*/

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'DM Sans',sans-serif;background:#fff;color:#0A1628;line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{cursor:pointer;font-family:'DM Sans',sans-serif}
input,select,textarea{font-family:'DM Sans',sans-serif}

:root {
  --green:        #00B140;
  --green-dark:   #008f33;
  --green-light:  #E8F5EE;
  --navy:         #0A1628;
  --navy-mid:     #0D2040;
  --blue:         #0D3B6E;
  --tuv-blue:     #003087;
  --off-white:    #F4F8F6;
  --text-dark:    #0A1628;
  --text-mid:     #2a3a55;
  --text-muted:   #5a6a80;
  --border:       rgba(0,0,0,0.08);
  --shadow-sm:    0 2px 8px rgba(0,0,0,0.06);
  --shadow-md:    0 6px 20px rgba(0,0,0,0.10);
  --shadow-lg:    0 12px 40px rgba(0,0,0,0.14);
  --radius-sm:    6px;
  --radius-md:    10px;
  --radius-lg:    14px;
  --mono:         'IBM Plex Mono', monospace;
  --max-w:        1280px;
}

h1,h2,h3,h4{font-family:'Syne',sans-serif;line-height:1.1;letter-spacing:-0.03em;font-weight:800}
h1{font-size:clamp(2.4rem,5vw,3.8rem)}
h2{font-size:clamp(1.8rem,3vw,2.6rem)}
h3{font-size:clamp(1.3rem,2vw,1.8rem)}
h4{font-size:1.1rem}
p{line-height:1.7}
.mono{font-family:var(--mono);font-size:0.85em;letter-spacing:0.02em}

.wrap{max-width:var(--max-w);margin:0 auto;padding:0 32px}
@media(max-width:640px){.wrap{padding:0 20px}}

.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:0.78rem;letter-spacing:0.12em;text-transform:uppercase;color:var(--green);font-weight:600;margin-bottom:12px}
.eyebrow::before{content:'';width:18px;height:2px;background:var(--green)}

.section-label{font-family:var(--mono);font-size:0.78rem;letter-spacing:0.1em;text-transform:uppercase;color:var(--green);font-weight:600;margin-bottom:10px}
.section-title{margin-bottom:1rem}

/* ── NAV ─────────────────────────────────────────────── */
nav{position:sticky;top:0;z-index:200;background:rgba(10,22,40,0.97);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,0.06);transition:background .3s}
.nav-inner{max-width:var(--max-w);margin:0 auto;padding:16px 32px;display:flex;align-items:center;justify-content:space-between}
.nav-logo{font-family:'Syne',sans-serif;font-weight:800;font-size:1.3rem;color:#fff;display:flex;align-items:center;gap:2px}
.nav-logo span{color:var(--green)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{color:rgba(255,255,255,0.75);font-size:0.92rem;font-weight:500;transition:color .2s}
.nav-links a:hover{color:#fff}
.nav-cta{background:var(--green);color:#fff!important;padding:10px 20px;border-radius:var(--radius-sm);font-weight:600;font-size:0.88rem}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:1.5rem}
@media(max-width:1080px){
  .nav-links{position:fixed;top:64px;left:0;right:0;background:var(--navy);flex-direction:column;padding:24px;gap:18px;transform:translateY(-150%);transition:transform .3s;border-bottom:1px solid rgba(255,255,255,0.08)}
  .nav-links.open{transform:translateY(0)}
  .nav-toggle{display:block}
}

/* ── PAGE HERO (inner pages) ─────────────────────────── */
.page-hero{position:relative;background:var(--navy);padding:120px 0 72px;overflow:hidden}
.hero-grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,0.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.04) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(ellipse at top,black,transparent 70%)}
.hero-glow{position:absolute;top:-200px;right:-100px;width:500px;height:500px;background:radial-gradient(circle,rgba(0,177,64,0.25),transparent 70%);filter:blur(40px)}
.page-hero-inner{position:relative;max-width:var(--max-w);margin:0 auto;padding:0 32px}

/* ── BUTTONS ──────────────────────────────────────────── */
.btn-primary,.btn-outline,.btn-primary-lg{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:var(--radius-sm);font-weight:700;font-size:0.95rem;border:2px solid transparent;transition:all .2s}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-dark);transform:translateY(-1px)}
.btn-outline{border-color:rgba(255,255,255,0.25);color:#fff}
.btn-outline:hover{border-color:#fff}

/* ── SECTIONS / CARDS ─────────────────────────────────── */
section{padding:88px 0}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-sm)}

/* ── FORMS ────────────────────────────────────────────── */
.form-field{margin-bottom:20px}
.form-field label{display:block;font-size:0.85rem;font-weight:600;margin-bottom:6px;color:var(--text-mid)}
.form-field input,.form-field select,.form-field textarea{width:100%;padding:12px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:0.95rem;background:#fff;transition:border-color .2s}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:none;border-color:var(--green)}
.form-field textarea{resize:vertical;min-height:100px}
.form-status{font-size:0.88rem;margin-top:10px;padding:10px 14px;border-radius:var(--radius-sm);display:none}
.form-status.ok{display:block;background:var(--green-light);color:var(--green-dark)}
.form-status.err{display:block;background:#FCE8E8;color:#B42318}

/* ── FOOTER ───────────────────────────────────────────── */
footer{background:var(--navy);color:rgba(255,255,255,0.6);padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-grid h4{color:#fff;font-size:0.85rem;letter-spacing:0.06em;text-transform:uppercase;margin-bottom:16px}
.footer-grid a{display:block;color:rgba(255,255,255,0.55);font-size:0.9rem;margin-bottom:10px;transition:color .2s}
.footer-grid a:hover{color:var(--green)}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.08);padding-top:24px;display:flex;justify-content:space-between;font-size:0.82rem;flex-wrap:wrap;gap:12px}
@media(max-width:800px){.footer-grid{grid-template-columns:1fr 1fr}}

/* ── UTILITIES ────────────────────────────────────────── */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
@media(max-width:900px){.grid-2{grid-template-columns:1fr}.grid-3{grid-template-columns:1fr 1fr}.grid-4{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.grid-3{grid-template-columns:1fr}.grid-4{grid-template-columns:1fr}}