/* BERKVERSE — Premium dream portfolio */

:root {
  --navy: #0B1426;
  --navy-mid: #152238;
  --orange: #F59E0B;
  --orange-soft: #FBBF24;
  --gold: #D4A853;
  --teal: #14B8A6;
  --teal-glow: #67E8F9;
  --white: #F8FAFC;
  --muted: rgba(248, 250, 252, 0.55);
  --glass: rgba(11, 20, 38, 0.88);
  --serif: Georgia, 'Times New Roman', serif;
  --sans: system-ui, -apple-system, 'Segoe UI', sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--navy);
  color: var(--white);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  touch-action: none;
  user-select: none;
}

#scene {
  display: block;
  width: 100vw;
  height: 100vh;
  margin: 0;
  padding: 0;
  cursor: grab;
}

.scene-wrap {
  position: fixed;
  inset: 0;
  z-index: 1;
  width: 100vw;
  height: 100vh;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: var(--navy);
  visibility: hidden;
  pointer-events: none;
}

body.entered .scene-wrap {
  visibility: visible;
  pointer-events: auto;
}
#scene.is-dragging { cursor: grabbing; }

/* Intro */
.intro {
  position: fixed; inset: 0; z-index: 99999;
  display: flex; align-items: center; justify-content: center;
  background: #0B1426;
  isolation: isolate;
  transform: translateZ(0);
  transition: opacity 1.2s var(--ease), visibility 1.2s;
}
.intro::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 35%, #1a2744 0%, #0B1426 75%);
  pointer-events: none;
}
.intro.is-out { opacity: 0; visibility: hidden; pointer-events: none; }
.intro__stars {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(1px 1px at 10% 20%, #fff 50%, transparent),
    radial-gradient(1px 1px at 30% 60%, rgba(255,255,255,0.6) 50%, transparent),
    radial-gradient(1.5px 1.5px at 70% 30%, #FDE68A 50%, transparent),
    radial-gradient(1px 1px at 85% 70%, rgba(255,255,255,0.5) 50%, transparent),
    radial-gradient(1px 1px at 50% 85%, rgba(255,255,255,0.4) 50%, transparent);
  animation: twinkle 4s ease-in-out infinite alternate;
}
@keyframes twinkle { from { opacity: 0.6; } to { opacity: 1; } }
.intro__content { position: relative; z-index: 2; text-align: center; padding: 2rem; opacity: 1; }
.intro__eyebrow { font-size: 0.75rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--teal); margin-bottom: 1rem; }
.intro__title {
  font-family: var(--serif); font-size: clamp(3.5rem, 12vw, 6rem);
  font-weight: 600; letter-spacing: -0.02em; line-height: 1;
  color: #FBBF24;
  text-shadow: 0 0 60px rgba(245, 158, 11, 0.35);
}
.intro__btn {
  padding: 1rem 2.5rem; border: 1px solid rgba(245,158,11,0.5);
  background: rgba(245,158,11,0.2); color: #fff;
  font-family: var(--sans); font-size: 0.85rem; letter-spacing: 0.15em;
  text-transform: uppercase; cursor: pointer; border-radius: 100px;
  transition: background 0.3s, box-shadow 0.3s, transform 0.2s;
  pointer-events: auto;
}
.intro__btn:hover { background: rgba(245,158,11,0.35); box-shadow: 0 0 40px rgba(245,158,11,0.3); transform: translateY(-2px); }
.intro__sub { font-size: 1rem; color: var(--muted); margin: 0.75rem 0 0.5rem; }
.intro__hint { font-size: 0.85rem; color: rgba(248,250,252,0.45); margin-bottom: 2.5rem; }

.intro:not(.is-out) ~ .hud { visibility: hidden; }

body.entered .hud { visibility: visible; }

/* HUD */
.hud {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 1.25rem; pointer-events: none;
}
.hud__left { display: flex; align-items: center; gap: 0.75rem; }
.hud__brand {
  font-family: var(--serif); font-size: 0.85rem; letter-spacing: 0.15em;
  color: rgba(248,250,252,0.4);
}
.hud__score { display: none; }

.panel__body--steam .card {
  opacity: 0;
  transform: translateY(24px);
  filter: blur(6px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease), filter 0.6s var(--ease);
}
.panel__body--steam-in .card {
  opacity: 1;
  transform: none;
  filter: none;
}
.panel__body--steam-in .card:nth-child(1) { transition-delay: 0.1s; }
.panel__body--steam-in .card:nth-child(2) { transition-delay: 0.25s; }
.panel__body--steam-in .card:nth-child(3) { transition-delay: 0.4s; }
.panel__body--steam-in .card:nth-child(4) { transition-delay: 0.55s; }

.tags--large { margin: 1rem 0 1.25rem; }
.tags--large span { font-size: 0.72rem; padding: 0.35rem 0.75rem; }

.panel__card {
  border: 3px solid #000;
  box-shadow: 0 0 80px rgba(245,158,11,0.06), 0 32px 64px rgba(0,0,0,0.5), 4px 4px 0 #000;
}
.card {
  border: 2px solid rgba(0,0,0,0.4);
}
.hud__controls { display: flex; align-items: center; gap: 1rem; pointer-events: auto; }
.hud__btn {
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.1); background: rgba(11,20,38,0.6);
  cursor: pointer; font-size: 1rem; backdrop-filter: blur(8px);
  transition: border-color 0.3s, background 0.3s;
}
.hud__btn:hover { border-color: rgba(245,158,11,0.4); background: rgba(245,158,11,0.1); }
.hud__btn.is-muted { opacity: 0.5; }
.hud__hint { font-size: 0.68rem; color: rgba(248,250,252,0.3); letter-spacing: 0.05em; }

/* Tooltip */
.tooltip {
  position: fixed; z-index: 60; pointer-events: none;
  padding: 0.45rem 1rem; background: var(--glass);
  border: 1px solid rgba(245,158,11,0.3); border-radius: 100px;
  backdrop-filter: blur(12px); transform: translate(-50%, -120%);
  transition: opacity 0.2s;
}
.tooltip[hidden] { display: none; }
.tooltip__label {
  font-size: 0.68rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--orange-soft); white-space: nowrap;
}

/* Joystick */
.joystick {
  position: fixed; z-index: 60;
  display: none; touch-action: none;
}
.joystick.is-on { display: block; }
.joystick__ring {
  width: 100px; height: 100px; border-radius: 50%;
  background: rgba(11,20,38,0.5); border: 1px solid rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
}
.joystick__knob {
  width: 42px; height: 42px; border-radius: 50%;
  background: radial-gradient(circle, var(--orange), #B45309);
  box-shadow: 0 0 20px rgba(245,158,11,0.3);
}

/* Panel */
.panel {
  position: fixed; inset: 0; z-index: 8000;
  display: flex; align-items: center; justify-content: center; padding: 1rem;
}
.panel[hidden] { display: none; }
.panel__backdrop {
  position: absolute; inset: 0;
  background: rgba(11,20,38,0.75); backdrop-filter: blur(20px);
  opacity: 0; transition: opacity 0.8s var(--ease);
}
.panel.is-open .panel__backdrop { opacity: 1; }
.panel__card {
  position: relative; width: min(580px, 100%); max-height: 85vh;
  background: var(--glass); border: 1px solid rgba(255,255,255,0.08);
  border-radius: 24px; overflow: hidden;
  display: flex; flex-direction: column;
  opacity: 0; transform: scale(0.92) translateY(24px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  box-shadow: 0 0 80px rgba(245,158,11,0.06), 0 32px 64px rgba(0,0,0,0.5);
}
.panel.is-open .panel__card { opacity: 1; transform: none; }
.panel__close {
  position: absolute; top: 1rem; right: 1rem; z-index: 2;
  width: 36px; height: 36px; border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.04); border-radius: 50%;
  color: var(--muted); font-size: 1.2rem; cursor: pointer;
}
.panel__head { display: flex; gap: 1rem; align-items: center; padding: 1.5rem 1.5rem 0; }
.panel__icon { font-size: 2rem; }
.panel__tag { font-size: 0.65rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--teal); margin-bottom: 0.25rem; }
.panel__title { font-family: var(--serif); font-size: 1.75rem; font-weight: 600; }
.panel__body { padding: 1.25rem 1.5rem 1.5rem; overflow-y: auto; flex: 1; }
.panel__body::-webkit-scrollbar { width: 3px; }
.panel__body::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); }

/* Content styles */
.lead { font-family: var(--serif); font-size: 1.1rem; line-height: 1.55; margin-bottom: 1rem; color: rgba(248,250,252,0.9); }
p { font-size: 0.88rem; line-height: 1.7; color: var(--muted); }
.tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 1rem; }
.tags span {
  padding: 0.25rem 0.65rem; font-size: 0.65rem;
  border: 1px solid rgba(20,184,166,0.25); border-radius: 100px; color: var(--teal-glow);
}
.cards { display: flex; flex-direction: column; gap: 0.75rem; }
.card {
  padding: 1rem; border: 1px solid rgba(255,255,255,0.06);
  border-radius: 14px; background: rgba(255,255,255,0.02);
  transition: border-color 0.3s;
}
.card:hover { border-color: rgba(245,158,11,0.2); }
.card h3 { font-size: 0.95rem; font-weight: 600; margin-bottom: 0.35rem; }
.card p { font-size: 0.82rem; }
.card small { font-size: 0.65rem; color: var(--teal); display: block; margin-bottom: 0.35rem; }
.card--project { display: grid; grid-template-columns: 100px 1fr; gap: 1rem; align-items: start; }
.card__img { height: 80px; border-radius: 10px; }
.card__img--1 { background: linear-gradient(135deg, #14B8A6, #0F172A); }
.card__img--2 { background: linear-gradient(135deg, #A78BFA, #0F172A); }
.card__img--3 { background: linear-gradient(135deg, #F59E0B, #0F172A); }
.btn {
  display: inline-block; margin-top: 0.75rem; padding: 0.45rem 1rem;
  border: 1px solid rgba(245,158,11,0.3); border-radius: 8px;
  color: var(--orange-soft); text-decoration: none; font-size: 0.75rem;
  transition: background 0.3s;
}
.btn:hover { background: rgba(245,158,11,0.1); }

/* About */
.about__photo { margin-bottom: 1.25rem; }
.about__avatar {
  width: 80px; height: 80px; border-radius: 50%;
  background: linear-gradient(135deg, var(--orange), var(--teal));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-size: 1.5rem; font-weight: 600;
  box-shadow: 0 0 30px rgba(245,158,11,0.2);
}
.timeline { margin: 1.25rem 0; display: flex; flex-direction: column; gap: 0.65rem; }
.timeline__item {
  display: flex; gap: 1rem; padding: 0.65rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.timeline__item span {
  font-family: var(--serif); font-size: 0.85rem; color: var(--orange);
  min-width: 40px;
}

/* Balim */
.balim__hero { font-size: 4rem; text-align: center; margin-bottom: 1rem; animation: bob 2s ease-in-out infinite; }
@keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }

/* Mobile mock */
.card--mobile { display: flex; gap: 1rem; align-items: center; }
.phone-mock {
  width: 48px; height: 80px; border-radius: 8px; flex-shrink: 0;
  background: #1E293B; border: 2px solid #334155; padding: 4px;
}
.phone-mock--2 { background: #0F172A; }
.phone-mock__screen { width: 100%; height: 100%; border-radius: 4px; background: linear-gradient(180deg, var(--teal), #0F766E); }

/* Solar career */
.solar__system { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 1rem; }
.planet-item {
  display: flex; gap: 1rem; align-items: center; padding: 0.75rem;
  border: 1px solid rgba(255,255,255,0.05); border-radius: 12px;
  transition: border-color 0.3s, transform 0.3s; cursor: default;
}
.planet-item:hover { border-color: rgba(245,158,11,0.25); transform: translateX(4px); }
.planet-item__orb { width: 24px; height: 24px; border-radius: 50%; flex-shrink: 0; }
.planet-item__orb--1 { background: radial-gradient(circle at 35% 35%, #14B8A6, #0F766E); }
.planet-item__orb--2 { background: radial-gradient(circle at 35% 35%, #F59E0B, #B45309); }
.planet-item__orb--3 { background: radial-gradient(circle at 35% 35%, #A78BFA, #6D28D9); }
.planet-item__orb--4 { background: radial-gradient(circle at 35% 35%, #67E8F9, #0891B2); }
.planet-item strong { font-size: 0.85rem; display: block; margin-bottom: 0.15rem; }
.planet-item p { font-size: 0.78rem; margin: 0; }

/* Contact */
.contact__link {
  display: flex; justify-content: space-between; padding: 0.85rem 1rem;
  margin-top: 0.5rem; border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px; text-decoration: none; color: var(--white);
  font-size: 0.85rem; transition: border-color 0.3s, transform 0.3s;
}
.contact__link:hover { border-color: rgba(245,158,11,0.25); transform: translateX(4px); }
.contact__link span { color: var(--muted); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; }

/* Toasts */
.toast {
  position: fixed; top: 4.5rem; left: 50%; transform: translateX(-50%);
  z-index: 9000; padding: 0.6rem 1.2rem;
  background: var(--glass); border: 1px solid rgba(245,158,11,0.3);
  border-radius: 100px; font-size: 0.78rem; backdrop-filter: blur(12px);
  animation: rise 0.5s var(--ease); pointer-events: none;
}
.toast[hidden] { display: none; }

@media (max-width: 768px) {
  .hud__hint { display: none; }
  .card--project { grid-template-columns: 1fr; }
  .card__img { height: 60px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}