/* ============================================================
POT: GLOBALNO/3d/astra_3d/css/astra_3d.css
NAMEN: Vizualni sloj samostojnega 3D landing modula AstraMentalica.
SOODVISNOSTI: ../index.html, ../js/astra_3d.js
MANJKA: nič za osnovno delovanje; produkcijski router se priklopi naknadno.
GLOBALNE SPREMENLJIVKE: CSS custom properties v :root.
============================================================ */

:root {
  --astra-zlata: #d8b45a;
  --astra-zlata-svetla: #fff0a8;
  --astra-modra: #0c1535;
  --astra-vijolicna: #40226e;
  --astra-ozadje: #03050d;
  --astra-besedilo: #f4ecd4;
  --astra-steklo: rgba(8, 12, 31, 0.54);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--astra-ozadje); color: var(--astra-besedilo); }
body { overflow: hidden; font-family: Georgia, 'Times New Roman', serif; }

.astra-3d { position: relative; width: 100vw; height: 100svh; overflow: hidden; isolation: isolate; background: radial-gradient(circle at 50% 42%, #151840 0%, #090b1e 38%, #03050d 76%); }
#astra-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

.astra-vignette { position: absolute; inset: 0; pointer-events: none; background: radial-gradient(circle at center, transparent 42%, rgba(0,0,0,.36) 72%, rgba(0,0,0,.78) 100%); z-index: 2; }
.astra-grain { position: absolute; inset: 0; pointer-events: none; opacity: .09; z-index: 3; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.28'/%3E%3C/svg%3E"); mix-blend-mode: soft-light; }

.astra-ui { position: absolute; inset: 0 0 auto 0; z-index: 5; display: flex; align-items: flex-start; justify-content: space-between; gap: 2rem; padding: clamp(1.2rem, 3vw, 2.8rem); pointer-events: none; }
.astra-brand { max-width: 560px; text-shadow: 0 2px 30px #000; }
.astra-brand h1 { margin: .25rem 0 .35rem; font-size: clamp(2.3rem, 6vw, 5.8rem); line-height: .9; letter-spacing: -.035em; color: var(--astra-zlata-svetla); font-weight: 600; }
.astra-brand p { margin: 0; font-size: clamp(.95rem, 1.5vw, 1.25rem); opacity: .82; }
.astra-kicker { font-family: system-ui, sans-serif; font-size: .72rem; letter-spacing: .24em; color: var(--astra-zlata); }

.astra-portali { pointer-events: auto; display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .6rem; max-width: 520px; }
.astra-portali a { color: var(--astra-besedilo); text-decoration: none; font-family: system-ui, sans-serif; font-size: .84rem; letter-spacing: .08em; text-transform: uppercase; padding: .72rem 1rem; border: 1px solid rgba(216,180,90,.25); border-radius: 999px; background: var(--astra-steklo); backdrop-filter: blur(10px); transition: .25s ease; }
.astra-portali a:hover, .astra-portali a:focus-visible { color: #12121a; background: var(--astra-zlata-svetla); border-color: transparent; transform: translateY(-2px); outline: none; }

.astra-center { position: absolute; inset: 0; z-index: 4; display: grid; place-items: center; pointer-events: none; }
.astra-enter { pointer-events: auto; position: relative; width: clamp(110px, 11vw, 150px); aspect-ratio: 1; border-radius: 50%; border: 0; color: var(--astra-zlata-svetla); background: rgba(7,10,24,.28); cursor: pointer; letter-spacing: .24em; font: 700 .78rem/1 system-ui,sans-serif; text-indent: .24em; box-shadow: inset 0 0 0 1px rgba(255,240,168,.18), 0 0 80px rgba(106,90,255,.18); }
.astra-enter__ring { position: absolute; inset: 8px; border: 1px solid rgba(216,180,90,.58); border-radius: 50%; box-shadow: 0 0 28px rgba(216,180,90,.25), inset 0 0 28px rgba(216,180,90,.12); animation: dih 3s ease-in-out infinite; }
.astra-enter__text { position: relative; z-index: 2; }
.astra-enter:hover { transform: scale(1.04); }

.astra-status { position: absolute; right: clamp(1rem,3vw,2rem); bottom: clamp(1rem,3vw,2rem); z-index: 5; display: flex; align-items: center; gap: .6rem; font: 500 .72rem/1 system-ui,sans-serif; letter-spacing: .08em; text-transform: uppercase; color: rgba(244,236,212,.7); background: rgba(4,7,18,.45); padding: .7rem .85rem; border-radius: 999px; backdrop-filter: blur(8px); }
.astra-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--astra-zlata-svetla); box-shadow: 0 0 14px var(--astra-zlata-svetla); }

@keyframes dih { 50% { transform: scale(.92); opacity: .65; } }

@media (max-width: 820px) {
  .astra-ui { flex-direction: column; }
  .astra-portali { justify-content: flex-start; max-width: 100%; }
  .astra-portali a { font-size: .72rem; padding: .58rem .78rem; }
  .astra-brand h1 { font-size: clamp(2.7rem, 14vw, 4.8rem); }
}