/* PenForge landing: cyberpunk hero with a self-drawing Volvo 745, mouse parallax and a page-turn exit.
   Dark on purpose (the app below is light); every animation is off under prefers-reduced-motion. */
.landing { --neon-c: #19f0ff; --neon-m: #ff2bd6; --neon-y: #ffd23f; --ink: #05060d; --mx: 0; --my: 0;
  position: fixed; inset: 0; z-index: 200; background: radial-gradient(120% 90% at 50% 100%, #1a0b33 0%, var(--ink) 55%, #020208 100%);
  color: #e8f6ff; overflow: hidden; transform-origin: 50% 0; will-change: transform; font-family: var(--font); }
body.ld-open { overflow: hidden; }
.landing.turning { animation: ld-turn .85s cubic-bezier(.65, 0, .85, .35) forwards; pointer-events: none; }
@keyframes ld-turn { 0% { transform: none; } 18% { transform: perspective(1400px) rotateX(-5deg) translateY(2%); }
  100% { transform: perspective(1400px) rotateX(24deg) translateY(-108%); box-shadow: 0 60px 120px 40px #000; } }
.app.rise { animation: ld-rise .85s ease-out; }
@keyframes ld-rise { from { transform: scale(.97); opacity: .6; } to { transform: none; opacity: 1; } }

/* layers: each moves with the mouse by a different amount (CSS vars --mx/--my are lerped in landing.js) */
.ld-layer { position: absolute; inset: -4%; pointer-events: none; }
.ld-stars { background-image: radial-gradient(1.5px 1.5px at 12% 18%, #fff, transparent), radial-gradient(1px 1px at 33% 8%, #9ff, transparent), radial-gradient(1.5px 1.5px at 58% 22%, #fff, transparent),
  radial-gradient(1px 1px at 78% 12%, #f9f, transparent), radial-gradient(1px 1px at 90% 30%, #fff, transparent), radial-gradient(1.2px 1.2px at 22% 38%, #9ff, transparent), radial-gradient(1px 1px at 68% 40%, #fff, transparent), radial-gradient(1px 1px at 44% 30%, #f9f, transparent);
  transform: translate(calc(var(--mx) * -6px), calc(var(--my) * -4px)); opacity: .8; }
.ld-sun { left: 50%; top: 38%; width: min(52vw, 560px); aspect-ratio: 1; inset: auto; margin: -20vmin 0 0 calc(min(52vw, 560px) / -2); border-radius: 50%;
  background: linear-gradient(180deg, #ffd23f 0%, #ff2bd6 60%, #6a1bff 100%); opacity: .55; filter: blur(1px);
  -webkit-mask: repeating-linear-gradient(180deg, #000 0 14px, transparent 14px 20px); mask: repeating-linear-gradient(180deg, #000 0 14px, transparent 14px 20px);
  transform: translate(calc(var(--mx) * -14px), calc(var(--my) * -8px)); }
.ld-floor { top: 62%; bottom: -10%; perspective: 420px; perspective-origin: 50% 0; }
.ld-floor::before { content: ""; position: absolute; inset: 0 -30%; transform-origin: 50% 0; transform: rotateX(72deg) translateX(calc(var(--mx) * 30px));
  background: repeating-linear-gradient(90deg, rgba(25, 240, 255, .55) 0 2px, transparent 2px 70px), repeating-linear-gradient(0deg, rgba(255, 43, 214, .5) 0 2px, transparent 2px 70px);
  animation: ld-floor 1.6s linear infinite; mask: linear-gradient(180deg, transparent, #000 35%); -webkit-mask: linear-gradient(180deg, transparent, #000 35%); }
@keyframes ld-floor { to { background-position: 0 70px, 0 70px; } }
.ld-horizon { top: 62%; height: 2px; inset: 62% 0 auto; background: linear-gradient(90deg, transparent, var(--neon-c), var(--neon-m), transparent); box-shadow: 0 0 22px 4px rgba(25, 240, 255, .5); }
.ld-carwrap { inset: auto 0 12% 0; height: min(58vh, 620px); display: grid; place-items: center; perspective: 1000px; }
.ld-car { width: min(92vw, 1100px); height: 100%; overflow: visible; fill: none; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round;
  transform: translate(calc(var(--mx) * var(--k)), calc(var(--my) * var(--k))) rotateY(calc(var(--mx) * var(--r))) rotateX(calc(var(--my) * -3deg)); }
.ld-car.c { --k: -22px; --r: 7deg; stroke: var(--neon-c); filter: drop-shadow(0 0 6px var(--neon-c)); }
.ld-car.m { --k: 22px; --r: 7deg; stroke: var(--neon-m); filter: drop-shadow(0 0 6px var(--neon-m)); mix-blend-mode: screen; position: absolute; opacity: .85; }
.ld-car .d { stroke-dasharray: 1 1; stroke-dashoffset: 1; animation: ld-draw 9s ease-in-out infinite; animation-delay: calc(var(--i) * .11s); }
@keyframes ld-draw { 0% { stroke-dashoffset: 1; } 38% { stroke-dashoffset: 0; } 82% { stroke-dashoffset: 0; } 100% { stroke-dashoffset: -1; } }
.ld-car .wheel { transform-box: fill-box; transform-origin: center; animation: ld-spin 1.1s linear infinite; }
@keyframes ld-spin { to { transform: rotate(360deg); } }
.ld-scan { background: repeating-linear-gradient(180deg, rgba(255, 255, 255, .035) 0 1px, transparent 1px 3px); mix-blend-mode: overlay; inset: 0; }
.ld-vignette { inset: 0; background: radial-gradient(90% 70% at 50% 45%, transparent 40%, rgba(0, 0, 0, .75) 100%); }

/* nav + hero */
.ld-nav { position: absolute; z-index: 5; top: 0; left: 0; right: 0; height: 64px; display: flex; align-items: center; gap: 18px; padding: 0 clamp(16px, 4vw, 48px);
  border-bottom: 1px solid rgba(25, 240, 255, .18); background: linear-gradient(180deg, rgba(5, 6, 13, .85), rgba(5, 6, 13, .35)); backdrop-filter: blur(8px); }
.ld-brand { display: inline-flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; letter-spacing: .18em; text-decoration: none; font-size: 15px; }
.ld-brand svg { color: var(--neon-c); filter: drop-shadow(0 0 6px var(--neon-c)); }
.ld-badge { font: 600 11px/1 var(--font); letter-spacing: .12em; color: var(--neon-y); border: 1px solid rgba(255, 210, 63, .45); padding: 5px 8px; border-radius: 2px; }
.ld-links { margin-left: auto; display: flex; gap: clamp(10px, 2vw, 28px); align-items: center; }
.ld-links a { color: #bfeaff; text-decoration: none; font-size: 12px; letter-spacing: .16em; text-transform: uppercase; opacity: .85; }
.ld-links a:hover { color: #fff; opacity: 1; text-shadow: 0 0 8px var(--neon-c); }
.ld-cta { appearance: none; border: 1px solid var(--neon-c); color: var(--neon-c); background: rgba(25, 240, 255, .08); padding: 9px 16px; font: 600 12px/1 var(--font); letter-spacing: .16em; text-transform: uppercase; cursor: pointer; clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%); }
.ld-cta:hover { background: var(--neon-c); color: #001; box-shadow: 0 0 18px var(--neon-c); }
.ld-hero { position: absolute; z-index: 4; inset: 64px 0 0 0; display: flex; flex-direction: column; align-items: center; justify-content: flex-start; gap: 14px; padding: clamp(18px, 5vh, 56px) 16px 0; text-align: center; }
.ld-kicker { font: 600 12px/1 var(--font); letter-spacing: .38em; color: var(--neon-m); text-transform: uppercase; text-shadow: 0 0 10px var(--neon-m); }
.ld-title { font: 800 clamp(44px, 9vw, 120px)/.9 var(--font); letter-spacing: .06em; color: #fff; position: relative; text-shadow: 0 0 18px rgba(25, 240, 255, .55), 0 0 60px rgba(255, 43, 214, .35); margin: 0; transform: translate(calc(var(--mx) * 6px), calc(var(--my) * 4px)); }
.ld-title::before, .ld-title::after { content: attr(data-t); position: absolute; inset: 0; mix-blend-mode: screen; pointer-events: none; }
.ld-title::before { color: var(--neon-c); transform: translate(calc(var(--mx) * -5px - 2px), calc(var(--my) * -3px)); clip-path: inset(0 0 52% 0); animation: ld-glitch 5.5s steps(1) infinite; }
.ld-title::after { color: var(--neon-m); transform: translate(calc(var(--mx) * 5px + 2px), calc(var(--my) * 3px)); clip-path: inset(48% 0 0 0); animation: ld-glitch 5.5s steps(1) infinite reverse; }
@keyframes ld-glitch { 0%, 91%, 100% { translate: 0 0; } 92% { translate: -6px 1px; } 94% { translate: 5px -1px; } 96% { translate: -3px 0; } }
.ld-sub { font: 500 clamp(16px, 2.2vw, 24px)/1.2 var(--font); letter-spacing: .08em; color: #d8f4ff; }
.ld-sub b { color: var(--neon-y); font-weight: 600; text-shadow: 0 0 12px rgba(255, 210, 63, .6); }

.ld-picker { width: min(880px, 94vw); display: flex; flex-direction: column; gap: 10px; padding: 14px; background: rgba(5, 8, 20, .5); border: 1px solid rgba(25, 240, 255, .35); backdrop-filter: blur(3px);
  box-shadow: 0 0 0 1px rgba(255, 43, 214, .18), 0 0 40px rgba(25, 240, 255, .14), inset 0 0 30px rgba(25, 240, 255, .05); clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px); text-align: left; }
.ld-search { width: 100%; background: rgba(0, 0, 0, .45); border: 1px solid rgba(25, 240, 255, .4); color: #fff; padding: 11px 12px; font: 500 15px/1 var(--font); letter-spacing: .04em; outline: none; }
.ld-search::placeholder { color: #6fa7bd; }
.ld-search:focus { border-color: var(--neon-c); box-shadow: 0 0 14px rgba(25, 240, 255, .4); }
.ld-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.ld-chip { appearance: none; border: 1px solid rgba(255, 255, 255, .2); background: transparent; color: #b9dff0; font: 600 11px/1 var(--font); letter-spacing: .12em; text-transform: uppercase; padding: 6px 9px; cursor: pointer; }
.ld-chip[aria-pressed="true"] { border-color: var(--neon-m); color: #fff; background: rgba(255, 43, 214, .22); box-shadow: 0 0 10px rgba(255, 43, 214, .45); }
.ld-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 8px; max-height: min(27vh, 260px); overflow: auto; padding: 2px 4px 2px 0; scrollbar-width: thin; scrollbar-color: var(--neon-c) transparent; }
.ld-card { appearance: none; text-align: left; cursor: pointer; border: 1px solid rgba(25, 240, 255, .22); background: rgba(10, 16, 34, .62); color: #fff; padding: 9px 12px; display: grid; gap: 4px; position: relative; transition: transform .15s, border-color .15s, box-shadow .15s; }
.ld-card:hover, .ld-card:focus-visible { border-color: var(--neon-c); box-shadow: 0 0 16px rgba(25, 240, 255, .35); transform: translateY(-2px); outline: none; }
.ld-card.featured { border-color: var(--neon-y); }
.ld-card.picked { border-color: var(--neon-m); box-shadow: 0 0 26px var(--neon-m); }
.ld-card .n { font: 700 14px/1.2 var(--font); }
.ld-card .m { font: 500 11px/1.2 var(--font); letter-spacing: .08em; color: #8fc3d6; text-transform: uppercase; }
.ld-card .w { font: 600 10px/1 var(--font); letter-spacing: .1em; color: var(--neon-y); }
.ld-empty { padding: 18px; color: #8fc3d6; font-size: 13px; }
.ld-resume { background: none; border: 0; color: var(--neon-y); font: 600 12px/1 var(--font); letter-spacing: .14em; text-transform: uppercase; cursor: pointer; padding: 6px; }
.ld-resume:hover { text-shadow: 0 0 10px var(--neon-y); }
.ld-hud { position: absolute; z-index: 3; font: 500 10px/1.4 var(--font); letter-spacing: .2em; color: rgba(25, 240, 255, .55); text-transform: uppercase; }
.ld-hud.bl { left: clamp(14px, 3vw, 40px); bottom: 18px; } .ld-hud.br { right: clamp(14px, 3vw, 40px); bottom: 18px; text-align: right; }
.ld-corner { position: absolute; z-index: 3; width: 38px; height: 38px; border: 2px solid rgba(255, 43, 214, .6); pointer-events: none; }
.ld-corner.tl { top: 76px; left: 14px; border-right: 0; border-bottom: 0; } .ld-corner.tr { top: 76px; right: 14px; border-left: 0; border-bottom: 0; }
.ld-corner.bl { bottom: 14px; left: 14px; border-right: 0; border-top: 0; } .ld-corner.br { bottom: 14px; right: 14px; border-left: 0; border-top: 0; }
@media (max-width: 720px) { .ld-links a { display: none; } .ld-badge { display: none; } .ld-hud { display: none; } .ld-carwrap { bottom: 24%; } }
@media (prefers-reduced-motion: reduce) {
  .ld-car .d { animation: none; stroke-dashoffset: 0; } .ld-car .wheel, .ld-floor::before, .ld-title::before, .ld-title::after { animation: none; }
  .landing.turning { animation: ld-fade .3s forwards; } .app.rise { animation: none; }
}
@keyframes ld-fade { to { opacity: 0; } }

/* wide screens: title + picker on the left, the car drawn large on the right */
@media (min-width: 1000px) {
  .ld-hero { align-items: flex-start; text-align: left; padding-left: clamp(24px, 6vw, 96px); }
  .ld-title { font-size: clamp(44px, 7.2vw, 112px); }
  .ld-picker { width: min(600px, 46vw); }
  .ld-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); max-height: min(30vh, 290px); }
  .ld-carwrap { inset: auto 0 10% 36%; height: min(62vh, 640px); }
  .ld-car { width: 100%; }
  .ld-sun { left: 72%; }
}