.brand-welcome{position:fixed;inset:0;width:100vw;max-width:none;height:100dvh;max-height:none;margin:0;padding:0;border:0;background:#193c2e;color:#ead6a5;overflow:hidden;opacity:1;transition:opacity .65s ease;z-index:10000}.brand-welcome::backdrop{background:#193c2e}.brand-welcome.leaving{opacity:0}.welcome-scene{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;isolation:isolate;padding:30px;box-sizing:border-box;background:radial-gradient(ellipse at 50% 45%,#31543a55,transparent 65%)}.welcome-scene::before,.welcome-scene::after{content:'';position:absolute;width:70vw;height:70vw;border:1px solid #d6bd8026;border-radius:50%;z-index:-1;transform:rotate(-25deg) scaleX(1.7);animation:welcome-halo 3.2s ease-out both}.welcome-scene::after{width:90vw;height:90vw;border-color:#d6bd8012}.welcome-logo{display:block;width:min(650px,90vw);max-height:50vh;object-fit:contain;mix-blend-mode:lighten;animation:welcome-reveal 1.5s ease-out both}.welcome-line{height:1px;width:100px;background:linear-gradient(90deg,transparent,#dfc38c,transparent);animation:welcome-reveal 1.8s ease-out both}.welcome-caption{font:400 clamp(17px,2.2vw,23px)/1.6 Georgia,serif;text-align:center;letter-spacing:.5px;margin:26px 0 0;animation:welcome-reveal 2s ease-out both}.welcome-skip{position:absolute;bottom:max(32px,env(safe-area-inset-bottom));right:32px;min-height:44px;padding:10px 22px;color:#f0dfba;background:#ffffff0b;border:1px solid #d5bd8270;border-radius:5px;font:500 14px/1.5 Arial,sans-serif;cursor:pointer}.welcome-skip:hover,.welcome-skip:focus-visible{background:#ddc58b;color:#193c2e;outline:2px solid #ddc58b;outline-offset:4px}body.welcome-open{overflow:hidden}@keyframes welcome-reveal{from{opacity:0;transform:translateY(12px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes welcome-halo{from{opacity:0;transform:rotate(-35deg) scaleX(1.5)}to{opacity:1;transform:rotate(-25deg) scaleX(1.7)}}@media(prefers-reduced-motion:reduce){.brand-welcome,.welcome-logo,.welcome-caption,.welcome-line,.welcome-scene::before,.welcome-scene::after{animation:none;transition:none}}

/* Landscape opening: original brand rendered without its dark backdrop. */
.welcome-scene{background:linear-gradient(90deg,#071b2255,#102d2440),url('assets/hero-ia.png') center/cover no-repeat}.welcome-scene::before{inset:0;width:auto;height:auto;border:0;border-radius:0;transform:none;animation:none;background:radial-gradient(ellipse at center,#05160e66,transparent 75%)}.welcome-scene::after{display:none}.welcome-logo{width:min(760px,86vw);height:auto;max-height:52vh;mix-blend-mode:normal;filter:drop-shadow(0 3px 12px #0008)}.welcome-skip{background:#112c2266;backdrop-filter:blur(8px)}
.welcome-tagline{margin:24px 0 0;color:#f6e2af;font-family:Arial,sans-serif;font-size:clamp(14px,2vw,22px);font-weight:500;line-height:1.6;letter-spacing:clamp(2px,.45vw,5px);text-transform:uppercase;text-align:center;text-shadow:0 2px 10px #041c12,0 0 24px #041c12;animation:welcome-reveal 1.5s ease-out both}@media(max-width:650px){.welcome-tagline{margin-top:20px;max-width:90%;font-size:13px;letter-spacing:2px}}@media(prefers-reduced-motion:reduce){.welcome-tagline{animation:none}}