/* Landing page: typewriter greeting, drag-a-role chips, waving doodle. */

/* The stage stays pinned for 600px of scrolling; the sentence switches at 300px,
   so the switch always happens while pinned, whatever the viewport height. */
.landing { height: calc(100vh + 600px); }

.landing-stage {
    position: sticky;
    top: 0;
    height: 100vh;
    height: 100svh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0 var(--gutter) 22vh;
    text-align: center;
}

.greeting {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: baseline;
    gap: .15em .4em;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: clamp(1.45rem, 6.2vw, 3.2rem);
    letter-spacing: .1em;
}
.caret {
    display: inline-block;
    width: 3px;
    height: 1.05em;
    margin-left: 4px;
    vertical-align: -.15em;
    background: var(--muted);
    animation: caret-blink 1s steps(1) infinite;
}
@keyframes caret-blink { 50% { opacity: 0; } }

.drop-slot {
    display: none;
    min-width: 7ch;
    padding: 0 .1em .05em;
    border-bottom: 4px solid var(--accent);
    color: var(--muted);
    font-style: italic;
    transition: color .2s, transform .2s;
}
.drop-slot.over { transform: scale(1.06); color: var(--ink); }
.drop-slot.filled { color: var(--ink); font-style: normal; }

.swap { display: grid; justify-items: center; margin-top: 10px; }
.big-name {
    margin: 0;
    font-family: var(--font-head);
    font-weight: 800;
    font-size: clamp(3.4rem, 15vw, 6.8rem);
    line-height: 1;
    letter-spacing: .01em;
}
.scroll-hint {
    margin: 22px 0 0;
    color: var(--muted);
    font-size: clamp(1rem, 3vw, 1.5rem);
    letter-spacing: .14em;
    transition: opacity .4s;
}
.scroll-hint.hidden { opacity: 0; }

.chip-tray {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px 22px;
    margin-top: 18px;
    padding: 14px 22px;
    border: 3px dashed var(--ink);
    border-radius: 12px;
}
.chip {
    position: relative;
    z-index: 2;
    padding: 4px 6px;
    color: var(--ink);
    font-size: clamp(.9rem, 2.6vw, 1.05rem);
    text-decoration: none;
    cursor: grab;
    touch-action: none;                    /* Pointer Events drive touch drags */
    user-select: none;
    -webkit-user-select: none;
    -webkit-touch-callout: none;
}
.chip .br { color: var(--accent); }
.chip.dragging { z-index: 20; cursor: grabbing; }
.chip.returning { transition: transform .3s cubic-bezier(.22, 1, .36, 1); }
.chip.used { visibility: hidden; }

.waving {
    position: absolute;
    left: 50%;
    bottom: -6vh;
    width: min(520px, 88vw, 53vh);          /* 53vh wide ≈ 40vh tall: never covers the text */
    height: auto;
    transform: translateX(-50%);
    pointer-events: none;
}
:root[data-theme='dark'] .waving { filter: invert(1); }

.touch { padding: 90px var(--gutter) 30px; text-align: center; }
.touch h2 { margin-bottom: 12px; font-size: clamp(1.8rem, 5vw, 2.6rem); font-weight: 800; }
.touch p { max-width: 42ch; margin: 0 auto 26px; color: var(--muted); }

/* ---------- JS-driven states (without JS everything above is simply visible) ---------- */
.js .swap > * { grid-area: 1 / 1; align-self: start; }   /* overlap without stretching */
.js .intro { transition: opacity .35s, visibility .35s; }
.js .big-name { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.js .typed .big-name { opacity: 1; transform: none; }
.js .waving {
    opacity: 0;
    transform: translate(-50%, 100px);
    transition: opacity 1.2s cubic-bezier(.22, 1, .36, 1), transform 1.2s cubic-bezier(.22, 1, .36, 1);
}
.js .typed .waving { opacity: 1; transform: translateX(-50%); }
.js .chip-tray {
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity .35s, transform .35s, visibility .35s;
}
.js .scrolled .chip-tray { opacity: 1; visibility: visible; transform: none; }
.js .scrolled .intro { opacity: 0; visibility: hidden; }
.js .scrolled .drop-slot { display: inline-block; }

body.leaving main, body.leaving .site-header { opacity: 0; transition: opacity .5s ease; }