/* intro v21 — Loewe fold: vertical heading, watercolor blob, sketch figure, load rise */

/* Rotated 90° vertical heading */
.intro-fold__vtitle {
    writing-mode: vertical-rl;
    white-space: nowrap;
    line-height: 1;
}
@media (max-width: 767.98px) {
    .intro-fold__vtitle { writing-mode: horizontal-tb; }
}

/* Wax-seal / watercolor blob */
.intro-fold__blob {
    width: 24rem;
    height: 24rem;
    filter: blur(56px);
    opacity: 0.4;
    border-radius: 42% 58% 63% 37% / 45% 38% 62% 55%;
}

/* Drop-cap lead (framework-agnostic ::first-letter, no TW variant dependency) */
.intro-fold__lead::first-letter {
    font-size: 3rem;
    font-weight: 900;
    float: left;
    line-height: 0.9;
    margin-right: 0.75rem;
}

/* Like button fixed size (no BS w-N/h-N utility) */
.intro-fold__like {
    width: 2.25rem;
    height: 2.25rem;
}

/* Hand-drawn sketch treatment on the figure */
.intro-fold [data-figure] { aspect-ratio: 16 / 9; }
.intro-fold__img {
    object-fit: cover;
    filter: grayscale(0.35) contrast(1.12) saturate(0.9);
}

/* Subtle scale-up on load (0.92 → 1) */
.intro-fold__rise {
    opacity: 0;
    transform: scale(0.92);
    animation: intro-fold-rise 620ms ease forwards;
}
@keyframes intro-fold-rise {
    to { opacity: 1; transform: scale(1); }
}

@media (prefers-reduced-motion: reduce) {
    .intro-fold__rise { opacity: 1; transform: none; animation: none; }
}


@keyframes knowledge-clarify-flare-throb-seq {
    0%, 100% { opacity: 1; }
    50%       { opacity: .5; }
}
.knowledge-clarify__flare--throb {
    animation: knowledge-clarify-flare-throb-seq 2s cubic-bezier(.4,0,.6,1) infinite;
}

@keyframes knowledge-clarify-flare-rebound-seq {
    0%, 100% { transform: translateY(0); animation-timing-function: cubic-bezier(.8,0,1,1); }
    50%       { transform: translateY(-25%); animation-timing-function: cubic-bezier(0,0,.2,1); }
}
.knowledge-clarify__flare--rebound {
    animation: knowledge-clarify-flare-rebound-seq 1s infinite;
}

@keyframes knowledge-clarify-flare-ping-seq {
    75%, 100% { transform: scale(2); opacity: 0; }
}
.knowledge-clarify__flare--ping {
    animation: knowledge-clarify-flare-ping-seq 1s cubic-bezier(0,0,.2,1) infinite;
}

/* Animation delays */
.knowledge-clarify__flare--delay-1 { animation-delay: 0.3s; }
.knowledge-clarify__flare--delay-2 { animation-delay: 0.5s; }
.knowledge-clarify__flare--delay-3 { animation-delay: 0.8s; }
.knowledge-clarify__flare--delay-4 { animation-delay: 1s; }
.knowledge-clarify__flare--delay-5 { animation-delay: 1.2s; }
.knowledge-clarify__flare--delay-6 { animation-delay: 1.5s; }
.knowledge-clarify__flare--delay-7 { animation-delay: 2s; }

/* Dot positions and sizes */
.knowledge-clarify__dot-a { top: 3rem; left: 2.5rem; width: 0.75rem; height: 0.75rem; }
.knowledge-clarify__dot-b { top: 5rem; right: 4rem; width: 0.5rem; height: 0.5rem; }
.knowledge-clarify__dot-c { top: 8rem; left: 25%; width: 1rem; height: 1rem; }
.knowledge-clarify__dot-d { bottom: 6rem; right: 5rem; width: 0.75rem; height: 0.75rem; }
.knowledge-clarify__dot-e { bottom: 4rem; left: 4rem; width: 0.5rem; height: 0.5rem; }
.knowledge-clarify__dot-f { top: 50%; right: 3rem; width: 1.25rem; height: 1.25rem; }

/* Line decors */
.knowledge-clarify__line-a { top: 25%; left: 33%; width: 3rem; height: 0.125rem; }
.knowledge-clarify__line-b { bottom: 33%; right: 25%; width: 4rem; height: 0.125rem; }

/* Corner blob size */
.knowledge-clarify__corner-blob { width: 4rem; height: 4rem; }

.knowledge-clarify__story--glow:hover { transform: scale(1.05); transition: transform .2s ease; }

.knowledge-clarify__flare--glow:hover { transform: scale(1.25); transition: transform .2s ease; }