/* ============================================================
   Drone-Log.de – Landingpage Styles
   ============================================================ */

:root {
  --bg: #0b1120;
  --bg-alt: #0f172a;
  --surface: #131c31;
  --surface-2: #1a2540;
  --border: rgba(148, 163, 184, 0.14);
  --text: #e6edf7;
  --text-muted: #9aa8bf;
  --accent: #ff7a1a;
  --accent-hover: #ff8f40;
  --blue: #3b82f6;
  --blue-soft: rgba(59, 130, 246, 0.14);
  --green: #34d399;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  --header-h: 72px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }

.container {
  width: min(1160px, 100% - 3rem);
  margin-inline: auto;
}

.container-narrow { width: min(820px, 100% - 3rem); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.7rem 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.18s ease, background 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  white-space: nowrap;
}

.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

.btn-primary {
  background: var(--accent);
  color: #14100b;
  box-shadow: 0 8px 24px rgba(255, 122, 26, 0.35);
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(255, 122, 26, 0.45);
}

.btn-ghost {
  color: var(--text);
  border-color: rgba(148, 163, 184, 0.35);
  background: rgba(255, 255, 255, 0.03);
}
.btn-ghost:hover {
  border-color: rgba(148, 163, 184, 0.7);
  background: rgba(255, 255, 255, 0.07);
  transform: translateY(-2px);
}

.btn-lg { padding: 0.95rem 1.9rem; font-size: 1.05rem; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: 100;
  background: rgba(11, 17, 32, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, background 0.25s ease;
}
.site-header.scrolled {
  border-bottom-color: var(--border);
  background: rgba(11, 17, 32, 0.9);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text);
}
.brand-icon { width: 32px; height: 32px; color: var(--accent); }
.brand-name { font-size: 1.2rem; font-weight: 800; letter-spacing: -0.02em; white-space: nowrap; }
.brand-accent { color: var(--accent); }

.main-nav {
  display: flex;
  gap: 1.6rem;
}
.main-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.93rem;
  font-weight: 500;
  transition: color 0.15s ease;
}
.main-nav a:hover { color: var(--text); }

.header-actions { display: flex; align-items: center; gap: 0.9rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  padding: 0 10px;
}
.nav-toggle span {
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.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); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 5.5rem) 0 5rem;
  overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; pointer-events: none; }

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 20%, black 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 20%, black 40%, transparent 100%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
}
.hero-glow-1 {
  width: 560px; height: 560px;
  background: var(--blue);
  top: -220px; left: -140px;
}
.hero-glow-2 {
  width: 480px; height: 480px;
  background: var(--accent);
  top: 60px; right: -200px;
  opacity: 0.22;
}

.hero-drone {
  position: absolute;
  width: clamp(160px, 22vw, 300px);
  right: 6%;
  top: 22%;
  color: var(--blue);
  opacity: 0.3;
  animation: hover-float 6s ease-in-out infinite;
}
@keyframes hover-float {
  0%, 100% { transform: translateY(0) rotate(-4deg); }
  50% { transform: translateY(-18px) rotate(2deg); }
}

.hero-inner { position: relative; max-width: 820px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  background: var(--blue-soft);
  border: 1px solid rgba(59, 130, 246, 0.35);
  padding: 0.45rem 1rem;
  border-radius: 999px;
  margin-bottom: 1.6rem;
}
.badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.55); }
  70% { box-shadow: 0 0 0 9px rgba(52, 211, 153, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}

.hero h1 {
  font-size: clamp(2.4rem, 5.4vw, 4rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-bottom: 1.4rem;
}

.text-gradient {
  background: linear-gradient(92deg, var(--accent) 0%, #ffb063 55%, var(--blue) 120%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  font-size: clamp(1.02rem, 1.6vw, 1.18rem);
  color: var(--text-muted);
  max-width: 640px;
  margin-bottom: 2.2rem;
}

.hero-cta { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 3.4rem; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  max-width: 720px;
}
.stat {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.3rem;
}
.stat-value {
  display: block;
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--accent);
}
.stat-value small { font-size: 1.1rem; font-weight: 700; }
.stat-label { font-size: 0.85rem; color: var(--text-muted); }

/* ---------- Organisationen ---------- */
.orgs {
  padding: 2.6rem 0;
  border-block: 1px solid var(--border);
  background: var(--bg-alt);
}
.orgs-title {
  text-align: center;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  margin-bottom: 1.4rem;
}
.orgs-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.7rem;
}
.org-chip {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  padding: 0.5rem 1.15rem;
  border-radius: 999px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.org-chip:hover { border-color: var(--accent); transform: translateY(-2px); }

/* ---------- Sections (allgemein) ---------- */
.section { padding: 5.5rem 0; }
.section-alt { background: var(--bg-alt); border-block: 1px solid var(--border); }

.section-head {
  max-width: 720px;
  margin: 0 auto 3.4rem;
  text-align: center;
}
.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 0.9rem;
}
.section-head h2, .split-text h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.18;
  margin-bottom: 1rem;
}
.section-head p { color: var(--text-muted); font-size: 1.05rem; }

/* ---------- Feature-Grid ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.8rem 1.6rem;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 122, 26, 0.45);
  box-shadow: var(--shadow);
}

.feature-icon {
  width: 52px; height: 52px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(140deg, rgba(255, 122, 26, 0.18), rgba(59, 130, 246, 0.14));
  border: 1px solid rgba(255, 122, 26, 0.3);
  color: var(--accent);
  margin-bottom: 1.2rem;
}
.feature-icon svg { width: 26px; height: 26px; }

.feature-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.55rem; }
.feature-card p { font-size: 0.94rem; color: var(--text-muted); }

/* ---------- Split-Layouts ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.split-text .section-tag { margin-bottom: 0.8rem; }
.split-text p { color: var(--text-muted); margin-bottom: 1.4rem; }
.split-text .btn { margin-top: 0.4rem; }

.check-list {
  list-style: none;
  display: grid;
  gap: 0.65rem;
  margin-bottom: 1.6rem;
}
.check-list li {
  position: relative;
  padding-left: 2rem;
  font-weight: 500;
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.28em;
  width: 20px; height: 20px;
  border-radius: 50%;
  background:
    url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none"><path d="m6 12.5 4 4 8-9" stroke="%2334d399" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"/></svg>') center/13px no-repeat,
    rgba(52, 211, 153, 0.14);
  border: 1px solid rgba(52, 211, 153, 0.4);
}

/* ---------- Mock-Dashboard ---------- */
.mock-window {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transform: rotate(1.2deg);
  transition: transform 0.35s ease;
}
.mock-window:hover { transform: rotate(0deg) scale(1.01); }

.mock-titlebar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0.8rem 1.1rem;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}
.mock-dot {
  width: 11px; height: 11px;
  border-radius: 50%;
  background: rgba(148, 163, 184, 0.35);
}
.mock-dot:first-child { background: #f87171; }
.mock-dot:nth-child(2) { background: #fbbf24; }
.mock-dot:nth-child(3) { background: #34d399; }
.mock-title {
  margin-left: 0.6rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
}

.mock-body { padding: 1rem; display: grid; gap: 0.7rem; }

.mock-row {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.85rem 1rem;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.mock-row-active { border-color: rgba(52, 211, 153, 0.35); }

.mock-status {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.status-live { background: var(--green); animation: pulse 2.2s infinite; }
.status-ready { background: var(--blue); }
.status-maint { background: var(--accent); }

.mock-row-text { min-width: 0; flex: 1; }
.mock-row-text strong { display: block; font-size: 0.88rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mock-row-text small { color: var(--text-muted); font-size: 0.76rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; }

.mock-tag {
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  flex-shrink: 0;
}
.tag-live { color: var(--green); background: rgba(52, 211, 153, 0.12); border: 1px solid rgba(52, 211, 153, 0.35); }
.tag-ready { color: var(--blue); background: rgba(59, 130, 246, 0.12); border: 1px solid rgba(59, 130, 246, 0.35); }
.tag-maint { color: var(--accent); background: rgba(255, 122, 26, 0.12); border: 1px solid rgba(255, 122, 26, 0.35); }

/* ---------- Zitat-Karte ---------- */
.quote-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  box-shadow: var(--shadow);
  transform: rotate(-1.2deg);
  transition: transform 0.35s ease;
}
.quote-card:hover { transform: rotate(0deg); }
.quote-mark { width: 38px; height: 38px; color: var(--accent); margin-bottom: 1rem; opacity: 0.85; }
.quote-card p {
  font-size: 1.12rem;
  font-weight: 500;
  line-height: 1.55;
  margin-bottom: 1.2rem;
}
.quote-author { font-size: 0.88rem; color: var(--text-muted); font-weight: 600; }

/* ---------- Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.6rem;
}
.step {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.6rem 1.7rem;
}
.step-num {
  display: inline-grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  font-weight: 800;
  font-size: 1.15rem;
  color: #14100b;
  background: var(--accent);
  margin-bottom: 1.1rem;
  box-shadow: 0 8px 20px rgba(255, 122, 26, 0.35);
}
.step h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.step p { font-size: 0.93rem; color: var(--text-muted); }

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 0.9rem; }

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s ease;
}
.faq-item[open] { border-color: rgba(255, 122, 26, 0.45); }

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.15rem 3.2rem 1.15rem 1.4rem;
  font-weight: 600;
  position: relative;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 1.3rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--accent);
  transition: transform 0.25s ease;
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item p {
  padding: 0 1.4rem 1.3rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ---------- Finaler CTA ---------- */
.cta-final {
  padding: 6rem 0;
  text-align: center;
  background:
    radial-gradient(ellipse 60% 90% at 50% 110%, rgba(255, 122, 26, 0.18), transparent),
    var(--bg-alt);
  border-top: 1px solid var(--border);
}
.cta-final h2 {
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 0.8rem;
}
.cta-final p { color: var(--text-muted); font-size: 1.1rem; margin-bottom: 2rem; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding-top: 3.6rem;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.3fr 2fr;
  gap: 3rem;
  padding-bottom: 2.6rem;
}
.footer-brand p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-top: 1rem;
  max-width: 300px;
}
.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
}
.footer-col h4 {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.footer-col a {
  display: block;
  color: var(--text);
  text-decoration: none;
  font-size: 0.93rem;
  padding: 0.28rem 0;
  transition: color 0.15s ease;
}
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 1.4rem 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ---------- Rechtliche Seiten ---------- */
.legal-page {
  padding: calc(var(--header-h) + 4rem) 0 5rem;
}
.legal-page h1 { font-size: 2.2rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 2rem; }
.legal-page h2 { font-size: 1.3rem; font-weight: 700; margin: 2.2rem 0 0.7rem; }
.legal-page p, .legal-page li { color: var(--text-muted); }
.legal-page ul { padding-left: 1.4rem; margin: 0.6rem 0; }
.legal-note {
  background: var(--surface);
  border: 1px solid rgba(255, 122, 26, 0.4);
  border-radius: var(--radius);
  padding: 1rem 1.3rem;
  margin-bottom: 2rem;
  color: var(--text) !important;
  font-size: 0.92rem;
}

/* ---------- Scroll-Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.08s; }
.delay-2 { transition-delay: 0.16s; }
.delay-3 { transition-delay: 0.24s; }
.delay-4 { transition-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-drone, .badge-dot, .status-live { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split { grid-template-columns: 1fr; gap: 2.6rem; }
  .split-reverse .split-visual { order: 2; }
  .main-nav { gap: 1.1rem; }
}

@media (max-width: 780px) {
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(11, 17, 32, 0.98);
    border-bottom: 1px solid var(--border);
    padding: 0.6rem 1.5rem 1.2rem;
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
  }
  .main-nav.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .main-nav a { padding: 0.8rem 0; font-size: 1.05rem; border-bottom: 1px solid var(--border); }
  .main-nav a:last-child { border-bottom: none; }

  .nav-toggle { display: flex; }

  .hero { padding-top: calc(var(--header-h) + 3.5rem); }
  .hero-stats { grid-template-columns: 1fr; }
  .hero-drone { opacity: 0.14; }

  .feature-grid, .steps { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .footer-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section { padding: 4rem 0; }
}

@media (max-width: 480px) {
  .btn-app { padding: 0.6rem 1rem; font-size: 0.88rem; }
  .brand-name { font-size: 1.05rem; }
  .hero-cta .btn { width: 100%; justify-content: center; }
}