/* FREIHEITSPILOT — Base, Nav, Hero, Komponenten */

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

html { scroll-behavior: auto; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--paper);
  background: var(--navy-900);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, video, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; background: none; border: none; color: inherit; }
ul, ol { list-style: none; }

::selection { background: var(--gold-400); color: var(--navy-900); }

:focus-visible {
  outline: 2px solid var(--gold-400);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- Utility ---------- */

.container { width: min(var(--container), 100% - 2 * var(--gutter)); margin-inline: auto; }
.container-wide { width: min(var(--container-wide), 100% - 2 * var(--gutter)); margin-inline: auto; }

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold-400);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}
.eyebrow::before {
  content: '';
  width: 2.25rem; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-400));
}

.display {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.02em;
}

h2.display { font-size: var(--text-h2); }
h3 { font-family: var(--font-display); font-weight: 600; font-size: var(--text-h3); line-height: 1.15; }

.lead { font-size: var(--text-lead); line-height: 1.65; }

.section { position: relative; padding-block: var(--space-section); }
.section--sm { padding-block: var(--space-section-sm); }

/* Sektions-Oberflaechen */
.surface-dark { background: var(--navy-900); color: var(--paper); }
.surface-deep {
  background:
    radial-gradient(1100px 520px at 78% -10%, rgba(233,196,106,0.07), transparent 60%),
    radial-gradient(900px 600px at 8% 110%, rgba(42,61,102,0.35), transparent 60%),
    var(--navy-950);
  color: var(--paper);
}
.surface-navy {
  background:
    radial-gradient(1000px 480px at 12% 0%, rgba(42,61,102,0.5), transparent 55%),
    var(--navy-700);
  color: var(--paper);
}
.surface-cream { background: var(--cream); color: var(--ink); }
.surface-sand {
  background: linear-gradient(180deg, var(--cream), var(--sand) 30%, var(--sand) 70%, var(--cream));
  color: var(--ink);
}
.surface-cream .eyebrow, .surface-sand .eyebrow { color: var(--gold-500); }
.surface-cream .lead, .surface-sand .lead { color: var(--ink-muted); }
.surface-dark .lead, .surface-deep .lead, .surface-navy .lead { color: var(--paper-muted); }

/* Grain — bricht digitale Sterilitaet */
.grain::after {
  content: '';
  position: absolute; inset: 0;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  z-index: 1;
}
.section > .container, .section > .container-wide { position: relative; z-index: 2; }

/* Runway-Divider: gezeichnete Goldlinie als Leitsystem */
.runway {
  display: flex; align-items: center; gap: 0.6rem;
  height: 1px; margin-block: 0;
  background: repeating-linear-gradient(90deg,
    var(--gold-400) 0 26px, transparent 26px 54px);
  opacity: 0.25;
  border: none;
}

/* Glass-Panel (Cockpit-Glas) */
.glass {
  background: var(--glass-dark);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
}
.glass--light {
  background: var(--glass-light);
  border: 1px solid var(--line-light);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem;
  min-height: 52px;
  padding: 0.9rem 2rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.01em;
  cursor: pointer;
  position: relative;
  transition: transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-med) var(--ease-out),
              background-color var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out);
  will-change: transform;
}
.btn svg { width: 18px; height: 18px; flex: none; transition: transform var(--dur-fast) var(--ease-out); }
.btn:hover svg { transform: translateX(4px); }

.btn--gold {
  background: linear-gradient(140deg, var(--gold-300), var(--gold-400) 55%, var(--gold-500));
  color: var(--navy-900);
  box-shadow: 0 4px 22px rgba(233,196,106,0.25);
}
.btn--gold:hover { box-shadow: 0 10px 42px rgba(233,196,106,0.4); transform: translateY(-2px); }

.btn--ghost {
  border: 1px solid var(--line-dark);
  color: var(--paper);
  background: rgba(17,29,53,0.3);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover { border-color: var(--gold-400); color: var(--gold-300); transform: translateY(-2px); }

.btn--ink {
  background: var(--navy-800);
  color: var(--paper);
}
.btn--ink:hover { background: var(--navy-700); transform: translateY(-2px); }

/* ---------- Navigation ---------- */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-nav);
  transition: transform var(--dur-med) var(--ease-out), background-color var(--dur-med) var(--ease-out),
              border-color var(--dur-med) var(--ease-out), backdrop-filter var(--dur-med) var(--ease-out);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(6, 10, 20, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--line-dark-soft);
}
.nav.is-hidden { transform: translateY(-100%); }

.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 2rem;
  padding-block: 0.9rem;
}
.nav__logo { display: inline-flex; align-items: center; }
.nav__logo img { height: 52px; width: auto; }
/* Logo = nur die Schwalbe (umfärbbar via mask, ein SVG-Asset) */
.nav__mark {
  display: block; width: 62px; height: 52px;
  background-color: var(--cream);
  -webkit-mask: url(../assets/brand/schwalbe.svg) left center / contain no-repeat;
          mask: url(../assets/brand/schwalbe.svg) left center / contain no-repeat;
  transition: background-color var(--dur-fast) var(--ease-out),
              transform var(--dur-med) var(--ease-out);
}
.nav__logo:hover .nav__mark { background-color: var(--gold-400); transform: translateY(-2px) rotate(-3deg); }
.nav__links { display: flex; gap: 2.2rem; align-items: center; }
.nav__links a {
  font-size: 0.925rem; font-weight: 500;
  color: var(--paper-muted);
  transition: color var(--dur-fast) var(--ease-out);
  position: relative;
  padding-block: 0.4rem;
}
.nav__links a::after {
  content: '';
  position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--gold-400);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur-med) var(--ease-out);
}
.nav__links a:hover { color: var(--paper); }
.nav__links a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav .btn { min-height: 44px; padding: 0.6rem 1.5rem; font-size: 0.925rem; }

.nav__burger {
  display: none;
  width: 44px; height: 44px;
  flex-direction: column; align-items: center; justify-content: center; gap: 6px;
}
.nav__burger span {
  width: 24px; height: 2px; background: var(--paper);
  transition: transform var(--dur-med) var(--ease-out), opacity var(--dur-fast);
}
.nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.nav__mobile {
  display: none;
  position: fixed; inset: 0;
  background: rgba(6,10,20,0.96);
  backdrop-filter: blur(20px);
  z-index: calc(var(--z-nav) - 1);
  padding: 7rem var(--gutter) 3rem;
  flex-direction: column; gap: 1.6rem;
}
.nav__mobile.is-open { display: flex; }
.nav__mobile a {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--paper);
  border-bottom: 1px solid var(--line-dark-soft);
  padding-bottom: 1.2rem;
}
.nav__mobile .btn { margin-top: 1rem; }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: clip;
  isolation: isolate;
}
.hero__media {
  position: absolute; inset: 0; z-index: -2;
}
.hero__media video {
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero__scrim {
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(180deg, rgba(6,10,20,0.55) 0%, rgba(6,10,20,0.18) 38%, rgba(6,10,20,0.62) 74%, var(--navy-900) 100%),
    radial-gradient(1200px 600px at 50% 100%, rgba(233,196,106,0.10), transparent 60%);
}

.hero__inner {
  width: min(var(--container), 100% - 2 * var(--gutter));
  margin-inline: auto;
  padding-block: clamp(6.5rem, 11vh, 8.5rem) clamp(2rem, 4.5vh, 3.5rem);
}
.hero__eyebrow { margin-bottom: 1.4rem; }
.hero h1 {
  font-size: var(--text-hero);
}
.hero h1 .line { display: block; overflow: hidden; }
.hero h1 .word { display: inline-block; }
.hero__sub {
  margin-top: 1.5rem;
  max-width: 56ch;
  font-size: clamp(1.02rem, 0.95rem + 0.35vw, 1.2rem);
  color: var(--paper-muted);
}
.hero__sub strong { color: var(--gold-300); font-weight: 600; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.2rem; }

.hero__strip {
  margin-top: clamp(2.2rem, 5vh, 3.5rem);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-dark-soft);
}
.hero__strip > div {
  padding: 1.4rem 1.2rem 0.2rem;
  border-left: 1px solid var(--line-dark-soft);
}
.hero__strip > div:first-child { border-left: none; padding-left: 0; }
.hero__strip .k {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 1rem + 1.4vw, 2.1rem);
  font-weight: 500;
  color: var(--gold-400);
}
.hero__strip .l {
  font-size: var(--text-small);
  color: var(--paper-muted);
  margin-top: 0.2rem;
}

.hero__scroll {
  position: absolute;
  left: var(--gutter); bottom: 2.2rem;
  display: flex; align-items: center; gap: 0.7rem;
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--paper-muted);
  writing-mode: vertical-rl;
}
.hero__scroll::after {
  content: '';
  width: 1px; height: 56px;
  background: linear-gradient(180deg, var(--gold-400), transparent);
  animation: scrollPulse 2.2s var(--ease-inout) infinite;
}
@keyframes scrollPulse {
  0%, 100% { transform: scaleY(0.4); transform-origin: top; opacity: 0.4; }
  50% { transform: scaleY(1); opacity: 1; }
}

/* ---------- Reveal-Grundzustaende (JS setzt Animation) ---------- */
.reveal { opacity: 0; transform: translateY(28px); }
.reveal-line .word { transform: translateY(110%); }
html.no-motion .reveal, html.no-motion .reveal-line .word { opacity: 1; transform: none; }

/* Honeypot: fuer Menschen unsichtbar, Bots fuellen es aus */
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }

/* ---------- Agent-Launcher ---------- */

.agent-fab {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: var(--z-agent);
  display: inline-flex; align-items: center; gap: 0.7rem;
  min-height: 56px;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-pill);
  background: var(--navy-800);
  border: 1px solid var(--line-dark);
  color: var(--paper);
  font-weight: 600; font-size: 0.95rem;
  box-shadow: var(--shadow-deep), 0 0 0 0 var(--gold-glow);
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-med) var(--ease-out);
}
.agent-fab:hover { transform: translateY(-3px); box-shadow: var(--shadow-deep), 0 0 0 10px rgba(233,196,106,0.0), var(--shadow-gold); }
.agent-fab img { width: 30px; height: 30px; object-fit: contain; }
.agent-fab .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 0 rgba(42,157,143,0.5);
  animation: agentPing 2.4s infinite;
}
@keyframes agentPing {
  0% { box-shadow: 0 0 0 0 rgba(42,157,143,0.45); }
  70% { box-shadow: 0 0 0 9px rgba(42,157,143,0); }
  100% { box-shadow: 0 0 0 0 rgba(42,157,143,0); }
}

.agent-panel {
  position: fixed;
  right: clamp(0.75rem, 2vw, 2rem);
  bottom: calc(clamp(1rem, 3vw, 2rem) + 68px);
  z-index: var(--z-agent);
  width: min(400px, calc(100vw - 1.5rem));
  max-height: min(600px, 76svh);
  display: none;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-deep);
}
.agent-panel.is-open { display: flex; }
.agent-panel__head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 1.3rem;
  border-bottom: 1px solid var(--line-dark-soft);
}
.agent-panel__head strong { font-size: 1rem; }
.agent-panel__head span { display: block; font-size: 0.8rem; color: var(--paper-muted); }
.agent-panel__close { width: 40px; height: 40px; display: grid; place-items: center; color: var(--paper-muted); border-radius: 50%; }
.agent-panel__close:hover { color: var(--paper); background: var(--navy-700); }
.agent-panel__body { padding: 1.3rem; overflow: auto; }
.agent-panel__body p { font-size: 0.95rem; color: var(--paper-muted); }
.agent-panel__body .btn { width: 100%; margin-top: 1rem; }
#agent-embed { min-height: 0; }
#agent-embed iframe { width: 100%; height: 430px; border: 0; border-radius: var(--radius-md); }

@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .nav .btn { display: none; }
  .hero__strip { grid-template-columns: repeat(2, 1fr); }
  .hero__strip > div:nth-child(3) { border-left: none; padding-left: 0; }
  .hero__strip > div { border-top: 1px solid var(--line-dark-soft); margin-top: -1px; }
  .hero__scroll { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}