/* ==========================================================================
   d-stage.de — development server placeholder.
   Self-contained. Design language follows the design-* skills:
   color-system, typography, layout-grid, motion, dark-mode.
   ========================================================================== */

:root {
  color-scheme: dark;

  --bg:        #070b14;
  --bg-2:      #0b1120;
  --surface:   #0e1626;
  --surface-2: #131d31;
  --border:    #1e2b45;
  --text:      #e6ebf5;
  --text-muted:#8a97b4;
  --accent:    #6366f1;
  --accent-2:  #22d3ee;
  --ok:        #22c55e;
  --warn:      #f59e0b;

  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;

  --radius-md: 12px;
  --radius-lg: 18px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html, body { min-block-size: 100%; }

body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  display: grid;
  place-items: center;
  min-block-size: 100dvh;
  padding: clamp(1.25rem, 4vw, 3rem);
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   Animated background
   -------------------------------------------------------------------------- */
.bg { position: fixed; inset: 0; z-index: 0; overflow: hidden;
      background:
        radial-gradient(120% 120% at 50% -10%, var(--bg-2), var(--bg) 60%); }

.bg__orb { position: absolute; border-radius: 50%; filter: blur(70px);
           opacity: 0.5; will-change: transform; }
.bg__orb--1 { inline-size: 42vw; block-size: 42vw; inset-block-start: -8vw;
              inset-inline-start: -6vw;
              background: radial-gradient(circle at 30% 30%, var(--accent), transparent 70%);
              animation: drift1 22s var(--ease-out) infinite alternate; }
.bg__orb--2 { inline-size: 36vw; block-size: 36vw; inset-block-end: -10vw;
              inset-inline-end: -8vw;
              background: radial-gradient(circle at 60% 40%, var(--accent-2), transparent 70%);
              opacity: 0.35;
              animation: drift2 27s var(--ease-out) infinite alternate; }
.bg__orb--3 { inline-size: 28vw; block-size: 28vw; inset-block-start: 40%;
              inset-inline-start: 55%;
              background: radial-gradient(circle at 50% 50%, #7c3aed, transparent 70%);
              opacity: 0.25;
              animation: drift3 19s var(--ease-out) infinite alternate; }

/* Fine technical grid */
.bg__grid { position: absolute; inset: -1px;
            background-image:
              linear-gradient(to right, rgba(120,140,190,0.06) 1px, transparent 1px),
              linear-gradient(to bottom, rgba(120,140,190,0.06) 1px, transparent 1px);
            background-size: 48px 48px;
            mask-image: radial-gradient(90% 80% at 50% 40%, #000 40%, transparent 100%);
            -webkit-mask-image: radial-gradient(90% 80% at 50% 40%, #000 40%, transparent 100%); }

/* Slow scanline sweep */
.bg__scan { position: absolute; inset: 0;
            background: linear-gradient(to bottom,
              transparent, rgba(99,102,241,0.05) 45%, rgba(34,211,238,0.05) 55%, transparent);
            block-size: 40%; translate: 0 -60%;
            animation: scan 9s linear infinite; }

@keyframes drift1 { to { transform: translate(6vw, 5vw) scale(1.1); } }
@keyframes drift2 { to { transform: translate(-5vw, -4vw) scale(1.15); } }
@keyframes drift3 { to { transform: translate(-4vw, 3vw) scale(0.9); } }
@keyframes scan   { 0% { translate: 0 -60%; } 100% { translate: 0 260%; } }

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.stage { position: relative; z-index: 1;
         inline-size: min(100%, 46rem);
         display: flex; flex-direction: column; gap: 1.5rem; }

.panel {
  position: relative;
  padding: clamp(1.5rem, 4vw, 3rem);
  background: linear-gradient(180deg,
              rgba(20,29,49,0.85), rgba(11,17,32,0.85));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(14px);
  box-shadow: 0 30px 80px -30px rgba(0,0,0,0.8),
              inset 0 1px 0 rgba(255,255,255,0.04);
  display: flex; flex-direction: column; gap: 1.25rem;
  overflow: hidden;
}
/* Accent hairline along the top edge */
.panel::before { content: ""; position: absolute; inset-block-start: 0;
                 inset-inline: 0; block-size: 1px;
                 background: linear-gradient(90deg, transparent,
                   var(--accent), var(--accent-2), transparent);
                 opacity: 0.8; }

/* --------------------------------------------------------------------------
   Content
   -------------------------------------------------------------------------- */
.panel__eyebrow { display: inline-flex; align-items: center; gap: 0.6rem;
                  align-self: flex-start;
                  padding: 0.4rem 0.85rem;
                  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.04em;
                  text-transform: uppercase; color: var(--text);
                  background: rgba(99,102,241,0.10);
                  border: 1px solid rgba(99,102,241,0.35);
                  border-radius: 999px; }

.pulse { position: relative; display: inline-grid; place-items: center;
         inline-size: 0.7rem; block-size: 0.7rem; }
.pulse__dot { inline-size: 0.55rem; block-size: 0.55rem; border-radius: 50%;
              background: var(--warn); box-shadow: 0 0 0 0 rgba(245,158,11,0.6);
              animation: pulse 2s ease-out infinite; }
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(245,158,11,0.55); }
  70%  { box-shadow: 0 0 0 0.6rem rgba(245,158,11,0); }
  100% { box-shadow: 0 0 0 0 rgba(245,158,11,0); }
}

.panel__title { font-size: clamp(2.6rem, 9vw, 4.5rem); line-height: 1;
                letter-spacing: -0.03em; font-weight: 700; }
.panel__brand { background: linear-gradient(120deg, #fff 20%, #b9c2e0 55%, var(--accent-2));
                -webkit-background-clip: text; background-clip: text;
                color: transparent; }
.panel__tld { color: var(--accent); -webkit-text-fill-color: var(--accent); }

.panel__lead { color: var(--text-muted); max-inline-size: 46ch;
               font-size: clamp(1rem, 0.96rem + 0.3vw, 1.15rem); }
.panel__lead strong { color: var(--text); font-weight: 600; }

/* --------------------------------------------------------------------------
   Terminal
   -------------------------------------------------------------------------- */
.terminal { border: 1px solid var(--border); border-radius: var(--radius-md);
            overflow: hidden; background: #060a12;
            box-shadow: inset 0 0 0 1px rgba(255,255,255,0.02); }
.terminal__bar { display: flex; align-items: center; gap: 0.5rem;
                 padding: 0.6rem 0.85rem; background: var(--surface);
                 border-block-end: 1px solid var(--border); }
.terminal__dot { inline-size: 0.7rem; block-size: 0.7rem; border-radius: 50%;
                 background: #33405c; }
.terminal__dot:nth-child(1) { background: #ff5f57; }
.terminal__dot:nth-child(2) { background: #febc2e; }
.terminal__dot:nth-child(3) { background: #28c840; }
.terminal__file { margin-inline-start: auto; font-family: var(--font-mono);
                  font-size: 0.75rem; color: var(--text-muted); }

.terminal__body { display: flex; padding: 1rem 1.1rem;
                  font-family: var(--font-mono); font-size: 0.85rem; line-height: 1.7;
                  color: #c8d3ee; white-space: pre-wrap; word-break: break-word; }
.terminal__body code { color: inherit; }
.terminal__caret { display: inline-block; inline-size: 0.55rem; block-size: 1.05rem;
                   margin-inline-start: 0.15rem; translate: 0 0.2rem;
                   background: var(--accent-2); border-radius: 1px;
                   animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* --------------------------------------------------------------------------
   Status chips
   -------------------------------------------------------------------------- */
.chips { display: grid; gap: 0.75rem; margin: 0;
         grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr)); }
.chip { padding: 0.75rem 0.9rem; background: var(--surface);
        border: 1px solid var(--border); border-radius: var(--radius-md); }
.chip dt { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em;
           color: var(--text-muted); margin-block-end: 0.3rem; }
.chip dd { display: flex; align-items: center; gap: 0.45rem;
           font-weight: 600; font-size: 0.95rem; }
.chip .mono { font-family: var(--font-mono); font-weight: 500; }
.chip__dot { inline-size: 0.55rem; block-size: 0.55rem; border-radius: 50%; flex: none; }
.chip__dot--ok { background: var(--ok); box-shadow: 0 0 0.5rem var(--ok); }
.chip__dot--warn { background: var(--warn); box-shadow: 0 0 0.5rem var(--warn); }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.foot { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center;
        align-items: center; color: var(--text-muted); font-size: 0.85rem; }
.foot__sep { opacity: 0.5; }

/* --------------------------------------------------------------------------
   Entrance reveals (design-motion)
   -------------------------------------------------------------------------- */
[data-reveal] { opacity: 0; transform: translateY(14px);
                transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out); }
[data-reveal].is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .bg__orb, .bg__scan, .pulse__dot, .terminal__caret { animation: none !important; }
  [data-reveal] { opacity: 1 !important; transform: none !important;
                  transition: none !important; }
}

@media (max-width: 420px) {
  .panel__title { font-size: 2.9rem; }
}