/* ===== MacBook Pro frame ===== */
.mac-wrap {
  position: relative;
  perspective: 1800px;
  perspective-origin: 50% 40%;
  width: 100%;
  display: flex;
  justify-content: center;
  filter: drop-shadow(0 50px 70px rgba(0,0,0,0.55));
}
.mac {
  position: relative;
  width: min(820px, 100%);
  transform: rotateX(6deg) rotateY(-10deg) rotateZ(0.4deg);
  transform-style: preserve-3d;
}
.mac-lid {
  position: relative;
  border-radius: 14px 14px 4px 4px;
  padding: 10px 10px 22px;
  background: linear-gradient(180deg, #2c3239 0%, #1a1d21 60%, #0c0e10 100%);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.08),
    inset 0 -1px 0 rgba(0,0,0,0.5);
}
.mac-notch {
  position: absolute;
  top: 4px; left: 50%;
  transform: translateX(-50%);
  width: 130px; height: 18px;
  background: #04060a;
  border-radius: 0 0 12px 12px;
  z-index: 8;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mac-notch::after {
  content: '';
  width: 5px; height: 5px;
  border-radius: 999px;
  background: #0a0f15;
  border: 1px solid rgba(34, 211, 238, 0.25);
  margin-top: 3px;
}
.mac-screen {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: 6px;
  overflow: hidden;
  background: #04070c;
  border: 1px solid rgba(0,0,0,0.6);
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,0.04),
    inset 0 0 50px rgba(0,0,0,0.5);
}
.mac-screen::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(105deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0) 28%, rgba(255,255,255,0) 70%, rgba(255,255,255,0.02) 100%);
  mix-blend-mode: screen;
}
.mac-brand {
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px; height: 18px;
  opacity: 0.4;
}
.mac-brand::before {
  /* abstract Booster glyph */
  content: '';
  width: 12px; height: 12px;
  border-radius: 3px;
  background: linear-gradient(135deg, #5eead4, #22d3ee);
}
.mac-base {
  position: relative;
  width: 104%;
  margin: -2px auto 0 -2%;
  height: 14px;
  background:
    linear-gradient(180deg, #1a1d21 0%, #0c0e10 100%);
  border-radius: 0 0 22px 22px;
  border-left: 1px solid rgba(255,255,255,0.04);
  border-right: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(0,0,0,0.6);
  box-shadow: 0 20px 30px -10px rgba(0,0,0,0.5);
  transform: rotateX(20deg) translateZ(-10px);
}
.mac-base::after {
  /* Trackpad area suggestion */
  content: '';
  position: absolute;
  top: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 14%;
  height: 4px;
  border-radius: 2px;
  background: rgba(255,255,255,0.04);
}

/* ===== iPad frame ===== */
.ipad-wrap {
  position: relative;
  width: 100%;
  max-width: 780px;
  perspective: 1800px;
  filter: drop-shadow(0 40px 60px rgba(0,0,0,0.55));
}
.ipad {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  padding: 14px;
  border-radius: 28px;
  background: linear-gradient(160deg, #2a3239 0%, #0a0f15 100%);
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.1),
    inset 0 -1px 0 rgba(0,0,0,0.6),
    inset 0 0 0 1.5px rgba(0,0,0,0.4);
  transform: rotateX(6deg) rotateY(-8deg);
}
.ipad-cam {
  position: absolute;
  top: 12px; left: 50%;
  transform: translateX(-50%);
  width: 5px; height: 5px;
  border-radius: 999px;
  background: #04060a;
  border: 1px solid rgba(34, 211, 238, 0.2);
  z-index: 8;
}
.ipad-screen {
  width: 100%; height: 100%;
  border-radius: 16px;
  overflow: hidden;
  background: #060a10;
  position: relative;
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,0.04),
    inset 0 0 40px rgba(0,0,0,0.6);
}
.ipad-screen::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(125deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0) 28%, rgba(255,255,255,0) 70%, rgba(255,255,255,0.03) 100%);
  pointer-events: none;
  z-index: 12;
}
.ipad-home-indicator {
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 26%;
  height: 4px;
  border-radius: 999px;
  background: rgba(255,255,255,0.18);
}

/* ===== Sims-style mini scene ===== */
.sims-app {
  width: 100%; height: 100%;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, #0a1018 0%, #060a10 100%);
  color: var(--ink);
  font-family: var(--font-body);
  position: relative;
}
.sims-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  font-size: 10.5px;
  color: var(--ink-2);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.sims-time { font-family: var(--font-display); font-weight: 600; font-size: 11px; color: var(--ink); }
.sims-app-name { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; color: var(--cyan-2); text-transform: uppercase; }
.sims-bat { font-family: var(--font-mono); font-size: 10px; color: var(--ink-3); margin-left: 6px; }

.sims-hud {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  padding: 8px 12px;
  background: rgba(0,0,0,0.3);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.sims-hud-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 5px 8px;
  background: rgba(255,255,255,0.025);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: 8px;
}
.sims-hud-label {
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.15em;
  color: var(--ink-4);
}
.sims-hud-item strong {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 14px;
  color: var(--ink);
  margin-top: 1px;
}

.sims-stage {
  flex: 1;
  position: relative;
  overflow: hidden;
  cursor: crosshair;
  min-height: 0;
}
.sims-stage-bg {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
}

.sims-hint {
  position: absolute;
  bottom: 8px; left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.4);
  background: rgba(0,0,0,0.4);
  padding: 4px 10px;
  border-radius: 999px;
  pointer-events: none;
  white-space: nowrap;
}

.sims-char {
  position: absolute;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  transition: left 1.4s cubic-bezier(0.4, 0, 0.2, 1), top 1.4s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
  z-index: 2;
}
.sims-char-emoji {
  font-size: 28px;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.5));
  animation: sims-bob 1.4s ease-in-out infinite;
  position: relative;
}
.sims-char-shadow {
  width: 32px; height: 6px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(0,0,0,0.5), transparent 70%);
  margin-top: -4px;
}
.sims-char-name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 10px;
  color: var(--cc);
  background: rgba(0,0,0,0.6);
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid color-mix(in oklab, var(--cc) 30%, transparent);
  letter-spacing: -0.005em;
}
@keyframes sims-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

.sims-bubble {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  padding: 6px 10px;
  background: #fff;
  color: #0a1018;
  border-radius: 12px;
  font-size: 10.5px;
  font-weight: 500;
  white-space: nowrap;
  box-shadow: 0 6px 14px -4px rgba(0,0,0,0.5);
  animation: sims-pop 240ms cubic-bezier(0.4, 0, 0.2, 1);
}
.sims-bubble::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 8px; height: 8px;
  background: #fff;
}
@keyframes sims-pop {
  from { opacity: 0; transform: translateX(-50%) translateY(0) scale(0.6); }
  to { opacity: 1; transform: translateX(-50%) translateY(-4px) scale(1); }
}

.sims-controls {
  display: flex;
  gap: 6px;
  padding: 10px 14px;
  border-top: 1px solid rgba(255,255,255,0.04);
  background: rgba(0,0,0,0.3);
}
.sims-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 10px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  color: var(--ink);
  border-radius: 10px;
  font-family: inherit;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
}
.sims-btn:hover { background: rgba(255,255,255,0.08); }
.sims-btn-primary {
  background: linear-gradient(180deg, #5eead4, #22d3ee);
  color: #04141a;
  border-color: rgba(34, 211, 238, 0.4);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.4);
}
.sims-btn-ico { font-size: 12px; }

@media (max-width: 1100px) {
  .ipad { transform: none; }
  .mac { transform: none; }
}

/* ===== Tech / AI Stack section ===== */
.sec-stack {
  position: relative;
  padding: 110px 0;
}
.stack-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
  margin-top: 36px;
}
.stack-card {
  position: relative;
  padding: 18px 14px;
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0));
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
  transition: border-color 200ms, transform 200ms;
}
.stack-card:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.stack-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(120% 60% at 50% 0%, color-mix(in oklab, var(--c) 14%, transparent), transparent 65%);
  pointer-events: none;
}
.stack-card > * { position: relative; }
.stack-logo {
  width: 44px; height: 44px;
  border-radius: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, color-mix(in oklab, var(--c) 18%, #0a1018), #0a1018);
  border: 1px solid color-mix(in oklab, var(--c) 30%, transparent);
  color: var(--c);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
}
.stack-name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 13px;
  color: var(--ink);
  letter-spacing: -0.005em;
}
.stack-tag {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  color: var(--ink-3);
  text-transform: uppercase;
}

.stack-section-head {
  display: flex;
  gap: 14px;
  align-items: baseline;
  margin: 36px 0 14px;
}
.stack-section-head h4 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--cyan-2);
  margin: 0;
}
.stack-section-head span {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--line-strong) 0%, transparent 60%);
}

@media (max-width: 1100px) {
  .stack-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .stack-grid { grid-template-columns: repeat(2, 1fr); }
}