/* =========================================
   TOKENS
========================================= */
:root {
  --bg:          #112233;
  --bg-2:        #162b3e;
  --bg-card:     #1a3148;
  --bg-card2:    #1e3a54;
  --border:      rgba(60, 140, 180, 0.22);
  --border-h:    rgba(60, 140, 180, 0.5);
  --accent:      #4db3d6;
  --accent2:     #2a82b8;
  --accent-glow: rgba(77, 179, 214, 0.35);
  --accent-soft: rgba(77, 179, 214, 0.1);
  --text:        #e4f0f8;
  --text-muted:  #8db0c8;
  --text-dim:    #4e7a96;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius:    14px;
  --radius-lg: 20px;
  --trans:     0.25s cubic-bezier(.4,0,.2,1);
}

/* =========================================
   RESET
========================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; transition: color var(--trans); }
a:hover { color: #6cc4e8; }
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent2); border-radius: 3px; }

/* =========================================
   NAV
========================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 2.5rem;
  transition: background var(--trans), padding var(--trans), box-shadow var(--trans);
}
.nav.scrolled {
  background: rgba(17, 34, 51, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 1px 0 var(--border);
  padding: 0.8rem 2.5rem;
}
.nav-logo {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  background: linear-gradient(135deg, #6cc4e8, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links { display: flex; list-style: none; gap: 0.2rem; }
.nav-links a {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--text-muted);
  padding: 0.45rem 0.9rem;
  border-radius: 8px;
  transition: color var(--trans), background var(--trans);
}
.nav-links a:hover,
.nav-links a.nav-active { color: var(--text); background: var(--accent-soft); }

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 101;
}
.nav-burger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.active span:nth-child(2) { opacity: 0; }
.nav-burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================
   SHARED: ORBS
========================================= */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}
.orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(30,111,160,0.28), transparent 70%);
  top: -80px; left: -80px;
}
.orb-2 {
  width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(58,159,200,0.16), transparent 70%);
  bottom: -60px; right: -60px;
}
.orb-sm { width: 280px; height: 280px; filter: blur(60px); }

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(58,159,200,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(58,159,200,0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  z-index: 0;
}

/* =========================================
   PAGE HEADER
========================================= */
.page-header {
  position: relative;
  text-align: center;
  padding: 4rem 1.5rem 2.5rem;
  overflow: hidden;
}
.eyebrow {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}
.page-title {
  font-size: clamp(2rem, 5.5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: 0.9rem;
}
.page-desc {
  max-width: 500px;
  margin: 0 auto;
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 400;
}

/* =========================================
   BUTTONS
========================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.65rem 1.5rem;
  border-radius: 9px;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all var(--trans);
  letter-spacing: 0.01em;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent2), var(--accent));
  color: #fff;
  box-shadow: 0 4px 18px rgba(58,159,200,0.28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 26px rgba(58,159,200,0.42); color: #fff; }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border-h); }
.btn-ghost:hover { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }
.btn-outline { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.btn-outline:hover { background: var(--accent); color: #fff; }

/* =========================================
   PAGE WRAPPER
========================================= */
.page-wrap {
  min-height: 100vh;
  padding-top: 72px;
  animation: fadein 0.35s ease;
}
@keyframes fadein {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* =========================================
   HOME – HERO
========================================= */
.hero {
  position: relative;
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  padding: 4rem 2.5rem 3rem;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-content { position: relative; z-index: 1; max-width: 600px; }
.hero-eyebrow {
  font-size: 0.78rem; font-weight: 500; letter-spacing: 0.16em;
  color: var(--accent); text-transform: uppercase; margin-bottom: 0.8rem;
  opacity: 0; animation: slideup 0.6s 0.1s ease forwards;
}
.hero-title {
  font-size: clamp(2.8rem, 7.5vw, 5rem); font-weight: 800;
  line-height: 1.05; letter-spacing: -0.03em; margin-bottom: 0.9rem;
  opacity: 0; animation: slideup 0.6s 0.2s ease forwards;
}
.hero-title .accent {
  background: linear-gradient(135deg, #6cc4e8, var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-sub {
  font-size: 0.82rem; font-weight: 500; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--text-muted); margin-bottom: 1.4rem;
  opacity: 0; animation: slideup 0.6s 0.3s ease forwards;
}
.hero-desc {
  font-size: 1.05rem; font-weight: 300; color: var(--text-muted);
  max-width: 460px; line-height: 1.75; margin-bottom: 2rem;
  opacity: 0; animation: slideup 0.6s 0.4s ease forwards;
}
.hero-actions {
  display: flex; gap: 0.9rem; flex-wrap: wrap;
  opacity: 0; animation: slideup 0.6s 0.5s ease forwards;
}
@keyframes slideup {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* HOME: STATS */
.home-stats {
  position: relative; z-index: 1;
  display: flex; gap: 1.2rem;
  padding: 1.5rem 2.5rem 3.5rem; flex-wrap: wrap;
}
.stat-card {
  flex: 1; min-width: 150px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.4rem 1.6rem;
  display: flex; flex-direction: column; gap: 0.35rem;
  opacity: 0; transform: translateY(16px);
  transition: opacity 0.5s, transform 0.5s, border-color var(--trans), box-shadow var(--trans);
}
.stat-card.visible { opacity: 1; transform: translateY(0); }
.stat-card:hover { border-color: var(--border-h); box-shadow: 0 4px 20px rgba(58,159,200,0.1); }
.stat-num {
  font-size: 2rem; font-weight: 800; letter-spacing: -0.02em;
  background: linear-gradient(135deg, #6cc4e8, var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.stat-label { font-size: 0.82rem; font-weight: 400; color: var(--text-muted); }

/* HOME: ABOUT */
.home-about {
  position: relative; z-index: 1;
  padding: 2.5rem 2.5rem 3rem;
  border-top: 1px solid var(--border);
}
.about-text h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.2rem); font-weight: 700;
  letter-spacing: -0.02em; margin-bottom: 1.1rem; line-height: 1.25;
}
.about-text p { color: var(--text-muted); font-weight: 300; margin-bottom: 0.9rem; max-width: 520px; }
.about-text .btn { margin-top: 0.6rem; }

/* HOME: NEWS */
.home-news {
  position: relative; z-index: 1;
  padding: 0 2.5rem 5rem;
  border-top: 1px solid var(--border);
}
.news-header { padding: 2.5rem 0 1.5rem; }
.news-header .eyebrow { margin-bottom: 0.4rem; }
.news-header h2 { font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 700; letter-spacing: -0.02em; }
.news-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.2rem;
}
.news-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.5rem;
  display: flex; flex-direction: column; gap: 0.6rem;
  transition: border-color var(--trans), box-shadow var(--trans);
}
.news-card:hover { border-color: var(--border-h); box-shadow: 0 6px 24px rgba(77,179,214,0.1); }
.news-card--highlight {
  background: linear-gradient(135deg, var(--bg-card2), var(--bg-card));
  border-color: var(--border-h);
}
.news-card--highlight::before {
  content: ''; display: block; height: 2px;
  background: linear-gradient(90deg, var(--accent2), var(--accent), transparent);
  border-radius: 2px; margin-bottom: 0.4rem;
}
.news-tag { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); }
.news-card h3 { font-size: 1rem; font-weight: 700; letter-spacing: -0.01em; line-height: 1.3; }
.news-card p { font-size: 0.875rem; font-weight: 300; color: var(--text-muted); line-height: 1.65; flex: 1; }
.news-date { font-size: 0.72rem; color: var(--text-dim); font-weight: 500; letter-spacing: 0.04em; }

/* =========================================
   SOCIAL MEDIA
========================================= */
.social-cards {
  display: flex; flex-direction: column; gap: 1rem;
  max-width: 680px; margin: 0 auto; padding: 0 1.5rem 3.5rem;
}
.social-card {
  display: flex; align-items: center; gap: 1.4rem;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.4rem 1.6rem;
  color: var(--text); transition: all var(--trans);
  opacity: 0; transform: translateX(-16px);
}
.social-card.visible { opacity: 1; transform: translateX(0); }
.social-card:hover {
  border-color: var(--border-h); background: var(--bg-card2);
  box-shadow: 0 6px 28px rgba(58,159,200,0.12); transform: translateX(5px); color: var(--text);
}
.sc-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.sc-icon svg { width: 24px; height: 24px; }
.yt .sc-icon { background: rgba(255,0,0,0.1); color: #ff4040; }
.tt .sc-icon { background: rgba(255,255,255,0.06); color: #d0d0d0; }
.tw .sc-icon { background: rgba(145,70,255,0.1); color: #a970ff; }
.sc-info { display: flex; flex-direction: column; gap: 0.18rem; flex: 1; }
.sc-platform { font-size: 1rem; font-weight: 600; }
.sc-handle   { font-size: 0.82rem; color: var(--accent); font-weight: 400; }
.sc-desc     { font-size: 0.82rem; color: var(--text-muted); font-weight: 300; }
.sc-arrow { font-size: 1.1rem; color: var(--text-dim); transition: color var(--trans), transform var(--trans); }
.social-card:hover .sc-arrow { color: var(--accent); transform: translateX(4px); }
.social-cta { text-align: center; padding: 0.5rem 1.5rem 4rem; color: var(--text-muted); font-size: 0.9rem; font-weight: 300; }

/* =========================================
   PROJEKTE
========================================= */
.projects-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.2rem; max-width: 940px; margin: 0 auto; padding: 0 1.5rem 5rem;
}
.project-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.6rem;
  position: relative; overflow: hidden;
  opacity: 0; transform: translateY(16px);
  transition: opacity 0.5s, transform 0.5s, border-color var(--trans), box-shadow var(--trans);
}
.project-card.visible { opacity: 1; transform: translateY(0); }
.project-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent2), var(--accent), transparent);
  opacity: 0; transition: opacity var(--trans);
}
.project-card:hover { border-color: var(--border-h); box-shadow: 0 6px 28px rgba(58,159,200,0.1); }
.project-card:hover::before { opacity: 1; }
.project-card.featured {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--bg-card2), var(--bg-card));
  border-color: var(--border-h);
}
.proj-tag {
  display: inline-block; font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent); background: var(--accent-soft);
  border: 1px solid rgba(58,159,200,0.2); border-radius: 5px;
  padding: 0.2rem 0.6rem; margin-bottom: 0.9rem;
}
.proj-tag--done { color: var(--text-muted); background: rgba(110,147,173,0.08); border-color: rgba(110,147,173,0.18); }
.proj-title { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.015em; margin-bottom: 0.6rem; line-height: 1.25; }
.proj-desc { color: var(--text-muted); font-size: 0.9rem; font-weight: 300; line-height: 1.65; margin-bottom: 1.1rem; }
.proj-meta { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.proj-badge { font-size: 0.72rem; font-weight: 500; color: var(--text-muted); background: rgba(255,255,255,0.04); border: 1px solid var(--border); border-radius: 4px; padding: 0.18rem 0.55rem; }

/* =========================================
   DOWNLOADS
========================================= */
.downloads-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.2rem; max-width: 940px; margin: 0 auto; padding: 0 1.5rem 2rem;
}
.dl-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.6rem;
  display: flex; flex-direction: column; gap: 0.75rem;
  opacity: 0; transform: translateY(16px);
  transition: opacity 0.5s, transform 0.5s, border-color var(--trans), box-shadow var(--trans);
}
.dl-card.visible { opacity: 1; transform: translateY(0); }
.dl-card:hover { border-color: var(--border-h); box-shadow: 0 6px 28px rgba(58,159,200,0.1); }
.dl-icon { width: 42px; height: 42px; border-radius: 10px; background: var(--accent-soft); border: 1px solid rgba(58,159,200,0.18); display: flex; align-items: center; justify-content: center; color: var(--accent); }
.dl-icon svg { width: 20px; height: 20px; }
.dl-card h3 { font-size: 1rem; font-weight: 600; letter-spacing: -0.01em; }
.dl-card p  { color: var(--text-muted); font-size: 0.875rem; font-weight: 300; line-height: 1.6; flex: 1; }
.dl-meta { display: flex; justify-content: space-between; font-size: 0.75rem; color: var(--text-dim); }
.dl-btn { align-self: flex-start; margin-top: 0.3rem; }
.dl-note { max-width: 680px; margin: 1.2rem auto 4rem; padding: 0 1.5rem; text-align: center; font-size: 0.875rem; font-weight: 300; color: var(--text-muted); }
.dl-note a { color: var(--accent); }

/* =========================================
   KONTAKT
========================================= */
.contact-simple {
  display: flex; flex-direction: column; align-items: center;
  gap: 1.2rem; max-width: 480px; margin: 0 auto;
  padding: 0 1.5rem 5rem; text-align: center;
}
.ci-item {
  width: 100%; display: flex; align-items: flex-start; gap: 0.9rem;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1rem 1.2rem;
}
.ci-item--center { align-items: center; }
.ci-icon { font-size: 1.2rem; line-height: 1; }
.ci-label { display: block; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 0.2rem; text-align: left; }
.ci-val { font-size: 0.875rem; font-weight: 400; color: var(--text); display: block; text-align: left; }
.ci-mail { color: var(--accent); }
.ci-mail:hover { color: #6cc4e8; }
.contact-note { color: var(--text-muted); font-size: 0.875rem; font-weight: 300; line-height: 1.7; font-style: italic; }

/* =========================================
   FOOTER
========================================= */
.footer { border-top: 1px solid var(--border); padding: 2rem 2.5rem; }
.footer-inner { max-width: 860px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 0.8rem; }
.footer-logo { font-size: 1.1rem; font-weight: 800; letter-spacing: 0.08em; background: linear-gradient(135deg, #6cc4e8, var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.footer p { font-size: 0.8rem; color: var(--text-dim); font-weight: 300; }

/* =========================================
   RESPONSIVE
========================================= */
@media (max-width: 768px) {
  .nav { padding: 1rem 1.2rem; }
  .nav.scrolled { padding: 0.75rem 1.2rem; }
  .nav-burger { display: flex; }
  .nav-links {
    display: none; flex-direction: column;
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(17, 34, 51, 0.97); backdrop-filter: blur(20px);
    align-items: center; justify-content: center;
    gap: 1.2rem; z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 1.2rem; padding: 0.75rem 2rem; }
  .hero { flex-direction: column; padding: 2rem 1.2rem 2.5rem; text-align: center; }
  .hero-content { max-width: 100%; }
  .hero-desc { max-width: 100%; }
  .hero-actions { justify-content: center; }
  .home-stats { padding: 1.2rem 1.2rem 2.5rem; }
  .home-about { padding: 2rem 1.2rem 3rem; }
  .about-text p { max-width: 100%; }
  .home-news { padding: 0 1.2rem 4rem; }
  .news-grid { grid-template-columns: 1fr; }
  .project-card.featured { grid-column: span 1; }
  .page-header { padding: 2.5rem 1.2rem 2rem; }
  .footer-inner { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  .hero { padding: 1.5rem 1rem 2rem; }
  .home-stats { flex-direction: column; }
  .stat-card { min-width: unset; }
  .downloads-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
}

/* =========================================
   PROJEKTE – LIST LAYOUT
========================================= */
.projects-list {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  max-width: 820px;
  margin: 0 auto;
  padding: 0 1.5rem 5rem;
}
.project-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--trans), box-shadow var(--trans);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s, transform 0.5s, border-color var(--trans), box-shadow var(--trans);
}
.project-item.visible {
  opacity: 1;
  transform: translateY(0);
}
.project-item:hover {
  border-color: var(--border-h);
  box-shadow: 0 8px 32px rgba(58,159,200,0.12);
}
.project-item::before {
  content: '';
  display: block;
  height: 2px;
  background: linear-gradient(90deg, var(--accent2), var(--accent), transparent);
}
.project-item-inner {
  padding: 1.8rem 2rem;
}
.project-item .proj-title {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-bottom: 0.8rem;
  line-height: 1.25;
}
.project-item .proj-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.75;
  margin-bottom: 1.4rem;
}

@media (max-width: 768px) {
  .projects-list { padding: 0 1.2rem 4rem; }
  .project-item-inner { padding: 1.4rem 1.4rem; }
}