/* ═══════════════════════════════════════════════
   NEXFLOW – Shared Stylesheet
   Based on Über-uns design language
═══════════════════════════════════════════════ */

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

:root{
  --graphite:#1F2937;
  --graphite-light:#374151;
  --graphite-muted:#4B5563;
  --sand:#D9D2C5;
  --sand-light:#E8E3DA;
  --sand-lighter:#F0EDE7;
  --sand-pale:#F7F5F1;
  --teal:#2F6B73;
  --teal-dark:#245860;
  --teal-light:#3A8490;
  --teal-pale:rgba(47,107,115,0.08);
  --white:#FFFFFF;
  --text:#1F2937;
  --text-secondary:#4B5563;
  --text-tertiary:#6B7280;
  --text-on-dark:rgba(255,255,255,0.92);
  --text-on-dark-muted:rgba(255,255,255,0.55);
  --border:rgba(31,41,55,0.1);
  --border-on-dark:rgba(255,255,255,0.1);
  --radius:10px;
  --radius-lg:16px;
  --radius-xl:20px;
  --section-gap:120px;
  --max-width:1160px;
  --shadow-sm:0 1px 3px rgba(31,41,55,0.04);
  --shadow-md:0 4px 20px rgba(31,41,55,0.06);
  --shadow-lg:0 8px 32px rgba(31,41,55,0.08);
  --font-body:'DM Sans',system-ui,-apple-system,sans-serif;
  --font-display:'Source Serif 4',Georgia,'Times New Roman',serif;
}

html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-body);color:var(--text);background:var(--sand-pale);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}

/* ══════════════════════════════
   NAVIGATION
══════════════════════════════ */
nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(247,245,241,0.88);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-bottom:1px solid var(--border);transition:all 0.4s ease}
nav.scrolled{background:rgba(247,245,241,0.96);box-shadow:var(--shadow-sm)}
.nav-inner{max-width:var(--max-width);margin:0 auto;padding:0 32px;height:68px;display:flex;align-items:center;justify-content:space-between}
.nav-logo{font-family:var(--font-body);font-weight:700;font-size:1.25rem;color:var(--graphite);text-decoration:none;display:flex;align-items:center}
.logo-mark{width:150px;height:45px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.logo-mark img{width:100%;height:100%;object-fit:contain}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{color:var(--text-secondary);text-decoration:none;font-size:0.875rem;font-weight:500;transition:color 0.2s;letter-spacing:0.1px}
.nav-links a:hover{color:var(--graphite)}
.nav-links a.active{color:var(--graphite);font-weight:600}
.nav-cta{background:var(--graphite)!important;color:var(--white)!important;padding:9px 20px!important;border-radius:8px!important;font-weight:600!important;transition:all 0.25s!important;white-space:nowrap}
.nav-cta:hover{background:var(--teal)!important;transform:translateY(-1px)}
.mobile-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px}
.mobile-toggle span{display:block;width:20px;height:1.5px;background:var(--graphite);margin:5px 0;transition:all 0.3s}
.mobile-menu{display:none;position:fixed;top:68px;left:0;right:0;background:var(--sand-pale);border-bottom:1px solid var(--border);padding:20px 32px;flex-direction:column;gap:16px;z-index:99}
.mobile-menu.open{display:flex}
.mobile-menu a{color:var(--text-secondary);text-decoration:none;font-size:0.95rem;font-weight:500;padding:8px 0}
@media(max-width:768px){.nav-links{display:none}.mobile-toggle{display:block}}

/* ══════════════════════════════
   BUTTONS
══════════════════════════════ */
.btn-primary{background:var(--graphite);color:var(--white);padding:14px 32px;border-radius:8px;text-decoration:none;font-weight:600;font-size:0.9rem;border:none;cursor:pointer;transition:all 0.3s ease;display:inline-flex;align-items:center;gap:8px;letter-spacing:0.2px}
.btn-primary:hover{background:var(--teal);transform:translateY(-1px);box-shadow:0 6px 20px rgba(47,107,115,0.2)}
.btn-secondary{background:var(--white);color:var(--graphite);padding:14px 32px;border-radius:8px;text-decoration:none;font-weight:600;font-size:0.9rem;border:1px solid var(--border);transition:all 0.3s ease;display:inline-flex;align-items:center;gap:8px;letter-spacing:0.2px}
.btn-secondary:hover{border-color:var(--graphite);transform:translateY(-1px)}

/* ══════════════════════════════
   SECTION DEFAULTS
══════════════════════════════ */
section{padding:var(--section-gap) 32px}
.section-inner{max-width:var(--max-width);margin:0 auto}
.section-label{font-size:0.72rem;font-weight:700;text-transform:uppercase;letter-spacing:2.5px;color:var(--teal);margin-bottom:14px}
.section-title{font-family:var(--font-display);font-size:clamp(1.9rem,3.5vw,2.7rem);line-height:1.18;margin-bottom:16px;letter-spacing:-0.3px;color:var(--graphite)}
.section-subtitle{font-size:1rem;color:var(--text-secondary);max-width:520px;line-height:1.75}

/* ══════════════════════════════
   PAGE HERO (Unterseiten)
══════════════════════════════ */
.page-hero{padding:144px 32px 96px;background:var(--graphite);position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse 900px 600px at 100% -10%,rgba(47,107,115,0.3) 0%,transparent 60%),
             radial-gradient(ellipse 400px 400px at -5% 100%,rgba(47,107,115,0.15) 0%,transparent 60%)}
.page-hero .grid-bg{position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,0.025) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,0.025) 1px,transparent 1px);
  background-size:64px 64px;pointer-events:none}
.page-hero-inner{max-width:var(--max-width);margin:0 auto;position:relative;z-index:2}
.page-hero-label{display:inline-flex;align-items:center;gap:8px;font-size:0.68rem;font-weight:700;text-transform:uppercase;letter-spacing:2.8px;padding:6px 16px;border-radius:100px;background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.15);color:rgba(255,255,255,0.9);margin-bottom:28px}
.label-dot{width:5px;height:5px;border-radius:50%;background:#5DB8C2;flex-shrink:0}
.page-hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.page-hero h1{font-family:var(--font-display);font-size:clamp(2.2rem,4vw,3.4rem);font-weight:400;color:var(--white);line-height:1.1;letter-spacing:-0.5px;margin-bottom:20px}
.page-hero h1 em{font-style:italic;color:var(--sand-light)}
.page-hero-sub{font-size:1.05rem;color:rgba(255,255,255,0.55);font-weight:300;line-height:1.75;margin-bottom:36px;max-width:480px}
.page-hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-btn-light{background:rgba(255,255,255,0.1);color:var(--white);padding:12px 24px;border-radius:8px;text-decoration:none;font-weight:600;font-size:0.88rem;border:1px solid rgba(255,255,255,0.2);transition:all 0.25s;display:inline-flex;align-items:center;gap:8px}
.hero-btn-light:hover{background:rgba(255,255,255,0.18);border-color:rgba(255,255,255,0.35)}
.hero-btn-teal{background:var(--teal);color:var(--white);padding:12px 24px;border-radius:8px;text-decoration:none;font-weight:600;font-size:0.88rem;border:none;transition:all 0.25s;display:inline-flex;align-items:center;gap:8px}
.hero-btn-teal:hover{background:var(--teal-dark);transform:translateY(-1px)}

/* Hero panel (right side info box) */
.hero-panel{background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);border-radius:var(--radius-xl);padding:32px;position:relative;overflow:hidden}
.hero-panel::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--teal-light),transparent)}
.h-stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.h-stat{background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.06);border-radius:var(--radius);padding:16px}
.h-stat-val{font-family:var(--font-display);font-size:1.5rem;color:#5DB8C2;line-height:1;margin-bottom:4px}
.h-stat-label{font-size:0.65rem;color:rgba(255,255,255,0.35);text-transform:uppercase;letter-spacing:1px}

/* ══════════════════════════════
   FOOTER
══════════════════════════════ */
footer{padding:72px 32px 36px;background:var(--sand-pale);border-top:1px solid var(--border)}
.footer-inner{max-width:var(--max-width);margin:0 auto}
.footer-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:52px;flex-wrap:wrap;gap:40px}
.footer-brand{max-width:300px}
.footer-brand .nav-logo{margin-bottom:14px;display:inline-block}
.footer-brand p{color:var(--text-secondary);font-size:0.85rem;line-height:1.7}
.footer-links{display:flex;gap:72px}
.footer-col h4{font-size:0.72rem;font-weight:700;text-transform:uppercase;letter-spacing:2px;color:var(--text-tertiary);margin-bottom:14px}
.footer-col a{display:block;color:var(--text-secondary);text-decoration:none;font-size:0.88rem;padding:5px 0;transition:color 0.2s}
.footer-col a:hover{color:var(--graphite)}
.footer-bottom{border-top:1px solid var(--border);padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.footer-bottom p{font-size:0.78rem;color:var(--text-tertiary)}
.footer-legal{display:flex;gap:24px}
.footer-legal a{color:var(--text-tertiary);text-decoration:none;font-size:0.78rem;transition:color 0.2s}
.footer-legal a:hover{color:var(--graphite)}

/* ══════════════════════════════
   CARDS – shared
══════════════════════════════ */
.mission-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:52px}
.mission-card{background:rgba(255,255,255,0.04);border:1px solid var(--border-on-dark);border-radius:var(--radius-lg);padding:32px 28px;transition:all 0.3s}
.mission-card:hover{background:rgba(255,255,255,0.07);border-color:rgba(255,255,255,0.15);transform:translateY(-2px)}
.mission-icon{width:44px;height:44px;border-radius:10px;background:rgba(47,107,115,0.2);display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.mission-icon svg{width:22px;height:22px;stroke:var(--teal-light);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.mission-card h3{font-size:1.05rem;font-weight:600;margin-bottom:10px;color:var(--white)}
.mission-card p{font-size:0.88rem;color:var(--text-on-dark-muted);line-height:1.7}

/* feature card (light bg) */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:52px}
.feature-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-xl);padding:36px 32px;position:relative;overflow:hidden;transition:all 0.35s}
.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--teal),rgba(47,107,115,0.2))}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(47,107,115,0.2)}
.feature-icon{width:48px;height:48px;border-radius:12px;background:var(--teal-pale);display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.feature-icon svg{width:24px;height:24px;stroke:var(--teal);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.feature-card h3{font-family:var(--font-display);font-size:1.1rem;font-weight:400;margin-bottom:10px;color:var(--graphite);line-height:1.25}
.feature-card p{color:var(--text-secondary);font-size:0.88rem;line-height:1.75}
.feature-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.f-tag{background:var(--sand-lighter);padding:5px 13px;border-radius:6px;font-size:0.72rem;font-weight:500;color:var(--text-secondary);letter-spacing:0.2px}

/* CTA Banner */
.cta-section{padding:0 32px var(--section-gap)}
.cta-banner{background:var(--graphite);border-radius:var(--radius-xl);padding:72px 56px;text-align:center;color:var(--white);position:relative;overflow:hidden;max-width:var(--max-width);margin:0 auto}
.cta-banner::before{content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse 700px 500px at 50% -20%,rgba(47,107,115,0.3) 0%,transparent 60%);
  pointer-events:none}
.cta-banner h2{font-family:var(--font-display);font-size:clamp(1.8rem,3vw,2.6rem);font-weight:400;color:var(--white);margin-bottom:16px;line-height:1.15;position:relative;z-index:1}
.cta-banner h2 em{font-style:italic;color:var(--sand-light)}
.cta-banner p{font-size:1rem;color:rgba(255,255,255,0.55);max-width:480px;margin:0 auto 36px;line-height:1.7;position:relative;z-index:1}
.cta-banner .btn-primary{position:relative;z-index:1}

/* ══════════════════════════════
   ANIMATIONS
══════════════════════════════ */
.fade-in{opacity:0;transform:translateY(16px);transition:opacity 0.8s ease,transform 0.8s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* ══════════════════════════════
   RESPONSIVE
══════════════════════════════ */
@media(max-width:1024px){
  :root{--section-gap:96px}
  .page-hero-grid{grid-template-columns:1fr;gap:48px}
  .hero-panel{display:none}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .mission-grid{grid-template-columns:1fr;gap:16px}
}
@media(max-width:768px){
  :root{--section-gap:72px}
  section{padding:var(--section-gap) 24px}
  .page-hero{padding:120px 24px 72px}
  .feature-grid{grid-template-columns:1fr}
  .cta-banner{padding:48px 28px;border-radius:var(--radius-lg)}
  .footer-links{gap:40px}
  .footer-top{flex-direction:column}
  .cta-section{padding:0 24px var(--section-gap)}
}