:root {
  --sky-top: #070f1d;
  --sky-mid: #102340;
  --sky-glow: rgba(56, 189, 248, 0.22);
  --wave-back: #0e294b;
  --wave-front-top: #113259;
  --wave-front-bot: #050d1a;
  --wave-crest: rgba(25, 70, 111, 0.72);
  --wave-mid: rgba(14, 48, 82, 0.69);
  --wave-deep: rgba(5, 13, 26, 0.91);
  --wave-rim: 160, 220, 240;
  --grid-color: rgba(148, 163, 184, 0.055);
  --win-header-bg: #1e304c;
  --win-header-border: #2e476e;
  --win-header-text: #f8fafc;
  --win-body-bg: #132035;
  --win-card-bg: #1a2b46;
  --win-card-border: #294066;
  --win-input-bg: #0e1829;
  --win-border: #2e476e;
  --win-shadow: 0 24px 48px -12px rgba(2, 6, 16, 0.78), 0 0 0 1px rgba(56, 189, 248, 0.12);
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-accent: #38bdf8;
  --btn-primary-bg: #0284c7;
  --btn-primary-hover: #0369a1;
  --btn-primary-text: #fff;
  --badge-bg: rgba(56, 189, 248, 0.14);
  --badge-text: #7dd3fc;
  --nav-btn-icon: #d7ebf7;
  --nav-btn-active-icon: #7dd3fc;
  --utility-icon-color: #e2e8f0;
  --utility-icon-hover: #38bdf8;
}

html.light {
  --sky-top: #eaf0f7;
  --sky-mid: #d3e1f0;
  --sky-glow: rgba(37, 99, 235, 0.13);
  --wave-back: #8ba5c4;
  --wave-front-top: #6684a8;
  --wave-front-bot: #3e5979;
  --wave-crest: rgba(102, 132, 168, 0.78);
  --wave-mid: rgba(82, 114, 152, 0.7);
  --wave-deep: rgba(62, 89, 121, 0.9);
  --wave-rim: 225, 244, 255;
  --grid-color: rgba(30, 41, 59, 0.05);
  --win-header-bg: #1e293b;
  --win-header-border: #0f172a;
  --win-header-text: #fff;
  --win-body-bg: #fff;
  --win-card-bg: #f8fafc;
  --win-card-border: #e2e8f0;
  --win-input-bg: #f8fafc;
  --win-border: #cbd5e1;
  --win-shadow: 0 22px 44px -12px rgba(15, 23, 42, 0.22), 0 4px 12px rgba(15, 23, 42, 0.08);
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-accent: #2563eb;
  --btn-primary-bg: #2563eb;
  --btn-primary-hover: #1d4ed8;
  --badge-bg: rgba(37, 99, 235, 0.1);
  --badge-text: #1d4ed8;
  --nav-btn-icon: #334155;
  --nav-btn-active-icon: #2563eb;
  --utility-icon-color: #1e293b;
  --utility-icon-hover: #2563eb;
}

* { box-sizing: border-box; user-select: none; font-family: "Plus Jakarta Sans", Inter, sans-serif; }
p, span, li, input, textarea, h1, h2, h3, h4, h5, label { user-select: text; }
body { margin: 0; padding: 0; overflow-x: hidden; background: linear-gradient(180deg, var(--sky-top) 0%, var(--sky-mid) 62%, var(--wave-front-bot) 100%); transition: background .55s cubic-bezier(.22, 1, .36, 1); }

.bg-blueprint-grid { background-image: radial-gradient(circle, var(--grid-color) 1.25px, transparent 1.25px), linear-gradient(to right, var(--grid-color) 1px, transparent 1px), linear-gradient(to bottom, var(--grid-color) 1px, transparent 1px); background-size: 28px 28px, 112px 112px, 112px 112px; }
.sky-spotlight { background: radial-gradient(ellipse 52% 38% at 50% 42%, var(--sky-glow) 0%, transparent 75%); transition: background .55s ease; }
#sea { z-index: 3; }
#atmosphereCanvas { z-index: 2; }

.window-shell { border-radius: 16px; overflow: hidden; border: 1.5px solid var(--win-border); box-shadow: var(--win-shadow); background-color: var(--win-body-bg); color: var(--text-primary); transition: transform .5s cubic-bezier(.22, 1, .36, 1), background-color .45s ease, box-shadow .45s ease, border-color .45s ease, color .45s ease; }
.window-header { background-color: var(--win-header-bg); border-bottom: 1.5px solid var(--win-header-border); color: var(--win-header-text); transition: background-color .45s ease, border-color .45s ease, color .45s ease; }
.window-body { background-color: var(--win-body-bg); color: var(--text-primary); transition: background-color .45s ease, color .45s ease; }
.theme-card { background-color: var(--win-card-bg); border: 1px solid var(--win-card-border); color: var(--text-primary); transition: background-color .35s ease, border-color .35s ease, transform .2s ease; }
.theme-input { background-color: var(--win-input-bg); border: 1.5px solid var(--win-card-border); color: var(--text-primary); transition: border-color .25s ease, background-color .35s ease; }
.theme-input:focus { outline: none; border-color: var(--text-accent); }
.theme-badge { background-color: var(--badge-bg); color: var(--badge-text); }
.theme-text-primary { color: var(--text-primary); }
.theme-text-secondary { color: var(--text-secondary); }
.theme-text-muted { color: var(--text-muted); }
.theme-text-accent { color: var(--text-accent); }
.theme-btn-primary { background-color: var(--btn-primary-bg); color: var(--btn-primary-text); transition: background-color .2s ease, transform .15s ease; }
.theme-btn-primary:hover { background-color: var(--btn-primary-hover); }
.home-link { color: var(--text-accent); text-decoration: underline; text-decoration-thickness: 1.5px; text-underline-offset: 2px; }
.home-link:hover { filter: brightness(1.12); }

/* The navigation hit areas remain generously sized; only the icons are visible. */
.spine-icon-btn { position: relative; border: 0; background: transparent; color: var(--nav-btn-icon); filter: drop-shadow(0 3px 5px rgba(0, 0, 0, .28)); transition: transform .24s cubic-bezier(.34, 1.56, .64, 1), color .24s ease, filter .24s ease; }
.spine-icon-btn:hover { color: var(--text-accent); transform: translateY(-2px) scale(1.12); filter: drop-shadow(0 0 7px color-mix(in srgb, var(--text-accent) 48%, transparent)); }
.spine-icon-btn:active { transform: translateY(1px) scale(.96); }
.spine-icon-btn:focus-visible { outline: 2px solid var(--text-accent); outline-offset: 2px; border-radius: 6px; }
.spine-icon-btn.active-nav { color: var(--nav-btn-active-icon); transform: scale(1.12); filter: drop-shadow(0 0 8px color-mix(in srgb, var(--text-accent) 58%, transparent)); }
.nav-tooltip { pointer-events: none; opacity: 0; transform: translateX(1px); transition: all .2s; display: none; align-items: center; position: absolute; left: 100%; margin-left: 6px; padding: 4px 10px; border-radius: 6px; background: rgba(15, 23, 42, .9); color: #fff; font: 600 12px Poppins, sans-serif; white-space: nowrap; box-shadow: 0 4px 12px rgba(0, 0, 0, .25); }
@media (min-width: 640px) { .group:hover .nav-tooltip { display: inline-flex; opacity: 1; transform: translateX(4px); } }

.standalone-top-icon { color: var(--utility-icon-color); transition: transform .25s cubic-bezier(.34, 1.56, .64, 1), color .25s ease, filter .25s ease; filter: drop-shadow(0 2px 6px rgba(0, 0, 0, .22)); }
.standalone-top-icon:hover { color: var(--utility-icon-hover); transform: scale(1.14); }
.standalone-top-icon:active { transform: scale(.92); }
.standalone-top-icon:focus-visible { outline: 2px solid var(--text-accent); outline-offset: 3px; border-radius: 5px; }

.workspace-stage { display: flex; align-items: center; justify-content: center; transition: all .55s cubic-bezier(.22, 1, .36, 1); }
.home-wrapper { transition: transform .52s cubic-bezier(.22, 1, .36, 1); }
@media (min-width: 640px) {
  .home-wrapper { transform: translateX(32px); }
}
@media (min-width: 1024px) {
  .workspace-stage.popup-open .home-wrapper,
  .workspace-stage:has(.popup-wrapper.open) .home-wrapper {
    transform: translateX(0);
  }
}
.popup-wrapper { width: 0; opacity: 0; transform: translateX(24px) scale(.95); pointer-events: none; overflow: visible; transition: width .52s cubic-bezier(.22, 1, .36, 1), opacity .36s cubic-bezier(.22, 1, .36, 1), transform .52s cubic-bezier(.22, 1, .36, 1), margin .52s cubic-bezier(.22, 1, .36, 1); }
.popup-wrapper.open { width: 500px; opacity: 1; transform: translateX(0) scale(1); pointer-events: auto; margin-left: 16px; }
@media (max-width: 1023px) { .popup-wrapper { width: 100% !important; max-width: 500px; height: 0; margin-left: 0 !important; margin-top: 0; transform: translateY(16px) scale(.96); overflow: hidden; } .popup-wrapper.open { height: auto; margin-top: 16px; transform: translateY(0) scale(1); overflow: visible; } }

.custom-scroll::-webkit-scrollbar { width: 5px; }
.custom-scroll::-webkit-scrollbar-track { background: transparent; }
.custom-scroll::-webkit-scrollbar-thumb { background: rgba(148, 163, 184, .4); border-radius: 99px; }
.custom-scroll::-webkit-scrollbar-thumb:hover { background: rgba(148, 163, 184, .7); }

/* Every popup follows the requested display/body type pairing. */
#popupWindow, #popupWindow * { font-family: Poppins, sans-serif; }
#popupWindow .popup-title, #popupWindow .popup-display, #popupWindow h4, #popupWindow h5 { font-family: "Sofia Sans Condensed", sans-serif; }
#popupWindow .popup-title { font-size: 1.35rem; line-height: 1; letter-spacing: .02em; }
#popupWindow .popup-display { font-weight: 600; letter-spacing: .01em; }
.about-profile-image { background: linear-gradient(145deg, rgba(125, 211, 252, .8), rgba(255, 255, 255, .95)); box-shadow: 0 0 0 1px rgba(255, 255, 255, .24), 0 10px 22px rgba(0, 0, 0, .18); }
.about-section-title { font-size: 1.75rem; line-height: .95; text-transform: uppercase; }
.about-education { border-left: 3px solid var(--text-primary); }
.about-linkedin { color: var(--text-accent); text-decoration: underline; text-decoration-thickness: 1.5px; text-underline-offset: 3px; }
.about-linkedin:hover { filter: brightness(1.15); }

@keyframes soundWavePulse { 0%, 100% { opacity: .35; transform: scale(.95); } 50% { opacity: 1; transform: scale(1.06); } }
.wave-pulse { animation: soundWavePulse 1.2s ease-in-out infinite; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; } }