/* =====================================================================
   Lumina — Inner page system (About / Research / Speaking / Contact)
   Dark, electric-blue, vector-rich, parallax + hover. Themed via vars.
   ===================================================================== */

/* ---- Decorative vectors + parallax base ---------------------------- */
.lum-vec { position: absolute; display: block; pointer-events: none; z-index: 0; line-height: 0; }
.lum-vec svg { width: 100%; height: 100%; display: block; }
[data-parallax] { will-change: transform; transition: transform .05s linear; }
@media (prefers-reduced-motion: reduce) { [data-parallax] { transform: none !important; } }

.pg { position: relative; overflow-x: clip; }
.pg-inner { position: relative; z-index: 1; }

/* ---- Page hero ----------------------------------------------------- */
.pg-hero { position: relative; padding: clamp(3.5rem, 2rem + 8vw, 8rem) 0 clamp(2.5rem, 1.5rem + 4vw, 5rem); overflow: hidden; }
.pg-hero::before { /* faint top glow */
	content: ""; position: absolute; inset: -30% -10% auto -10%; height: 70%;
	background: radial-gradient(60% 80% at 70% 0%, color-mix(in srgb, var(--lum-accent) 22%, transparent), transparent 70%);
	z-index: 0; pointer-events: none;
}
.pg-hero__grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(2rem, 4vw, 4rem); align-items: center; }
.pg-hero__eyebrow { margin-bottom: 1.2rem; }
.pg-hero__title { font-size: clamp(2.6rem, 1.4rem + 5.5vw, 5rem); line-height: 0.98; letter-spacing: -0.02em; }
.pg-hero__title em { font-style: italic; color: var(--lum-accent); }
.pg-hero__lead { margin-top: 1.4rem; font-size: var(--lum-step-1); color: var(--lum-ink-soft); max-width: 52ch; }
.pg-hero__actions { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: 0.9rem; }
.pg-hero__art { position: relative; aspect-ratio: 1 / 1; }
.pg-hero__art .lum-vec--net { inset: 0; }
.pg-hero__art .lum-vec--rings { inset: -8% -6% auto auto; width: 55%; }

.pg-hero__crumb { font-family: var(--lum-font-mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--lum-muted); margin-bottom: 1.4rem; display: inline-flex; gap: .5rem; }
.pg-hero__crumb a { color: var(--lum-ink-soft); text-decoration: none; }
.pg-hero__crumb a:hover { color: var(--lum-accent); }

/* ---- Generic section ----------------------------------------------- */
.pg-section { position: relative; padding-block: clamp(3rem, 2rem + 4vw, 6rem); }
.pg-section--alt { background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--lum-surface) 60%, transparent) 50%, transparent); }
.pg-head { max-width: 60ch; margin-bottom: clamp(1.8rem, 3vw, 3rem); }
.pg-head h2 { font-size: clamp(1.9rem, 1.2rem + 2.6vw, 3rem); letter-spacing: -0.02em; }
.pg-head h2 em { font-style: italic; color: var(--lum-accent); }
.pg-head p { margin-top: 1rem; color: var(--lum-ink-soft); font-size: var(--lum-step-1); }

/* ---- Split text + visual ------------------------------------------- */
.pg-split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 4vw, 4rem); align-items: center; }
.pg-split--flip .pg-split__media { order: -1; }
.pg-split__body p { color: var(--lum-ink-soft); margin-bottom: 1rem; }
.pg-split__body p strong { color: var(--lum-ink); }
.pg-split__media { position: relative; }
.pg-figure { position: relative; border-radius: var(--lum-radius-lg); overflow: hidden; border: 1px solid var(--lum-line); aspect-ratio: 4 / 5; background: linear-gradient(200deg,#20232b,#0c0d11 70%); }
.pg-figure img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 20%; transition: transform .8s var(--lum-ease); }
.pg-figure:hover img { transform: scale(1.05); }
.pg-figure__tag { position: absolute; left: 1rem; bottom: 1rem; z-index: 2; }
.pg-figure::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg,transparent 55%,rgba(8,8,10,.7)); }

/* ---- Feature / expertise cards with hover -------------------------- */
.pg-grid { display: grid; gap: clamp(1rem, 2vw, 1.4rem); }
.pg-grid--3 { grid-template-columns: repeat(3, 1fr); }
.pg-grid--2 { grid-template-columns: repeat(2, 1fr); }
.pg-grid--4 { grid-template-columns: repeat(4, 1fr); }

.feat {
	position: relative; padding: clamp(1.4rem, 2vw, 2rem); border-radius: var(--lum-radius);
	background: var(--lum-surface); border: 1px solid var(--lum-line); overflow: hidden;
	transition: transform .35s var(--lum-ease), border-color .35s var(--lum-ease), box-shadow .35s var(--lum-ease);
}
.feat::before { /* hover hairline top */
	content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 100%;
	background: linear-gradient(90deg, var(--lum-accent), var(--lum-accent-2));
	transform: scaleX(0); transform-origin: left; transition: transform .4s var(--lum-ease);
}
.feat:hover { transform: translateY(-6px); border-color: color-mix(in srgb, var(--lum-accent) 45%, var(--lum-line)); box-shadow: 0 24px 50px -28px color-mix(in srgb, var(--lum-accent) 60%, transparent); }
.feat:hover::before { transform: scaleX(1); }
.feat__ico { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: color-mix(in srgb, var(--lum-accent) 14%, transparent); color: var(--lum-accent); margin-bottom: 1.1rem; transition: transform .35s var(--lum-ease); }
.feat:hover .feat__ico { transform: translateY(-3px) rotate(-4deg); }
.feat__ico svg { width: 24px; height: 24px; }
.feat h3 { font-size: 1.12rem; margin-bottom: .5rem; }
.feat p { color: var(--lum-ink-soft); font-size: .95rem; }
.feat__num { position: absolute; right: 1.1rem; top: .9rem; font-family: var(--lum-font-mono); font-size: .72rem; color: var(--lum-muted); }

/* ---- Metric row ---------------------------------------------------- */
.pg-metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
.metric { position: relative; padding: clamp(1.2rem,2vw,1.8rem); border-radius: var(--lum-radius); border: 1px solid var(--lum-line); background: color-mix(in srgb, var(--lum-surface) 70%, transparent); transition: border-color .35s, transform .35s; }
.metric:hover { border-color: color-mix(in srgb, var(--lum-accent) 40%, var(--lum-line)); transform: translateY(-4px); }
.metric__num { font-family: var(--lum-font-display); font-weight: 800; font-size: clamp(2rem, 1.4rem + 2vw, 3rem); color: var(--lum-accent); line-height: 1; letter-spacing: -.02em; }
.metric__label { margin-top: .6rem; font-family: var(--lum-font-mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--lum-ink-soft); }

/* ---- Pill / chip list ---------------------------------------------- */
.pg-chips { display: flex; flex-wrap: wrap; gap: .6rem; }
.pg-chip { font-family: var(--lum-font-mono); font-size: .78rem; padding: .5rem .9rem; border-radius: 999px; border: 1px solid var(--lum-line); color: var(--lum-ink-soft); background: color-mix(in srgb,var(--lum-surface) 60%,transparent); transition: color .25s, border-color .25s, transform .25s; }
.pg-chip:hover { color: var(--lum-accent); border-color: color-mix(in srgb,var(--lum-accent) 50%,var(--lum-line)); transform: translateY(-2px); }

/* ---- Timeline ------------------------------------------------------ */
.pg-timeline { position: relative; display: grid; gap: 1rem; padding-left: 1.6rem; }
.pg-timeline::before { content: ""; position: absolute; left: 5px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(var(--lum-accent), transparent); }
.tl { position: relative; padding: 1.1rem 1.3rem; border: 1px solid var(--lum-line); border-radius: var(--lum-radius); background: var(--lum-surface); transition: transform .3s, border-color .3s; }
.tl::before { content: ""; position: absolute; left: -1.6rem; top: 1.4rem; width: 12px; height: 12px; border-radius: 50%; background: var(--lum-accent); box-shadow: 0 0 0 4px color-mix(in srgb,var(--lum-accent) 25%, transparent); }
.tl:hover { transform: translateX(4px); border-color: color-mix(in srgb,var(--lum-accent) 40%,var(--lum-line)); }
.tl__year { font-family: var(--lum-font-mono); font-size: .72rem; letter-spacing: .1em; color: var(--lum-accent); }
.tl h4 { margin: .25rem 0 .3rem; font-size: 1.02rem; }
.tl p { color: var(--lum-ink-soft); font-size: .92rem; }

/* ---- Video embed (TEDx) --------------------------------------------- */
.pg-video { max-width: 900px; margin: 0 auto; }
.pg-video__frame { position: relative; aspect-ratio: 16 / 9; overflow: hidden; border-radius: var(--lum-radius-lg); border: 1px solid var(--lum-line); background: var(--lum-ink); box-shadow: 0 30px 70px -30px rgba(0,0,0,.5); }
.pg-video__frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.pg-video__caption { text-align: center; margin-top: 1rem; color: var(--lum-ink-soft); font-size: .92rem; }
.pg-video__caption a { color: var(--lum-accent); text-decoration: none; }
.pg-video__caption a:hover { text-decoration: underline; }

/* ---- Profile / link cards ------------------------------------------ */
.pg-links { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; }
.linkcard { display: flex; align-items: center; gap: 1rem; padding: 1.1rem 1.2rem; border: 1px solid var(--lum-line); border-radius: var(--lum-radius); background: var(--lum-surface); text-decoration: none; color: var(--lum-ink); transition: transform .3s, border-color .3s, box-shadow .3s; }
.linkcard:hover { transform: translateY(-4px); border-color: color-mix(in srgb,var(--lum-accent) 45%,var(--lum-line)); box-shadow: 0 20px 40px -26px color-mix(in srgb,var(--lum-accent) 60%,transparent); }
.linkcard__ico { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: color-mix(in srgb,var(--lum-accent) 14%,transparent); color: var(--lum-accent); flex: none; }
.linkcard__ico svg { width: 20px; height: 20px; }
.linkcard b { display: block; font-size: .98rem; }
.linkcard span { display: block; font-family: var(--lum-font-mono); font-size: .72rem; color: var(--lum-muted); margin-top: .15rem; }
.linkcard__arrow { margin-left: auto; color: var(--lum-muted); transition: transform .3s, color .3s; }
.linkcard:hover .linkcard__arrow { transform: translateX(4px); color: var(--lum-accent); }

/* ---- Quote / highlight --------------------------------------------- */
.pg-quote { position: relative; padding: clamp(2rem,4vw,3.5rem); border-radius: var(--lum-radius-lg); border: 1px solid var(--lum-line); background: linear-gradient(135deg, color-mix(in srgb,var(--lum-accent) 10%,transparent), transparent 60%); overflow: hidden; }
.pg-quote blockquote { font-family: var(--lum-font-display); font-weight: 600; font-size: clamp(1.3rem,1rem + 1.6vw,2rem); line-height: 1.3; letter-spacing: -.01em; max-width: 40ch; }
.pg-quote blockquote em { color: var(--lum-accent); font-style: italic; }
.pg-quote cite { display: block; margin-top: 1.2rem; font-style: normal; font-family: var(--lum-font-mono); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--lum-ink-soft); }
.pg-quote .lum-vec--rings { inset: auto -10% -40% auto; width: 45%; opacity: .6; }

/* ---- Contact ------------------------------------------------------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,4vw,3.5rem); align-items: start; }
.contact-method { display: flex; gap: 1rem; align-items: flex-start; padding: 1.2rem 0; border-bottom: 1px solid var(--lum-line); }
.contact-method__ico { width: 44px; height: 44px; border-radius: 12px; flex: none; display: grid; place-items: center; background: color-mix(in srgb,var(--lum-accent) 14%,transparent); color: var(--lum-accent); }
.contact-method__ico svg { width: 22px; height: 22px; }
.contact-method b { display: block; }
.contact-method a, .contact-method p { color: var(--lum-ink-soft); text-decoration: none; }
.contact-method a:hover { color: var(--lum-accent); }
.contact-form { padding: clamp(1.6rem,3vw,2.4rem); border: 1px solid var(--lum-line); border-radius: var(--lum-radius-lg); background: var(--lum-surface); }
.contact-form label { display: block; font-family: var(--lum-font-mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--lum-ink-soft); margin: 0 0 .4rem; }
.contact-form .row { margin-bottom: 1rem; }
.contact-form input, .contact-form textarea { width: 100%; padding: .85rem 1rem; border-radius: 12px; border: 1px solid var(--lum-line); background: var(--lum-bg); color: var(--lum-ink); font: inherit; transition: border-color .25s, box-shadow .25s; }
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--lum-accent); box-shadow: 0 0 0 3px color-mix(in srgb,var(--lum-accent) 25%,transparent); }

/* ---- CTA band reuse ------------------------------------------------ */
.pg-cta { position: relative; padding-block: clamp(3.5rem,3rem + 4vw,6rem); text-align: center; overflow: hidden; }
.pg-cta .lum-vec--wave { inset: auto 0 0 0; height: 160px; opacity: .5; }
.pg-cta__title { font-size: clamp(2rem,1.4rem + 4vw,3.6rem); letter-spacing: -.02em; }
.pg-cta__title em { font-style: italic; color: var(--lum-accent); }
.pg-cta__text { margin: 1.2rem auto 2rem; max-width: 52ch; color: var(--lum-ink-soft); font-size: var(--lum-step-1); }

/* =====================================================================
   Responsive
   ===================================================================== */
@media (max-width: 980px) {
	.pg-hero__grid { grid-template-columns: 1fr; }
	.pg-hero__art { max-width: 360px; margin-inline: auto; order: -1; }
	.pg-split, .contact-grid { grid-template-columns: 1fr; }
	.pg-split--flip .pg-split__media { order: 0; }
	.pg-grid--4 { grid-template-columns: repeat(2,1fr); }
	.pg-metrics { grid-template-columns: repeat(2,1fr); }
	.pg-links { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 760px) {
	.pg-grid--3, .pg-grid--2 { grid-template-columns: 1fr; }
	.contact-form { order: -1; }
}
@media (max-width: 520px) {
	.pg-hero__art { display: none; }
	.pg-grid--4, .pg-metrics, .pg-links { grid-template-columns: 1fr; }
	.pg-hero__actions { gap: .7rem; }
	.pg-hero__actions .lum-btn { flex: 1 1 auto; justify-content: center; }
	.pg-figure { aspect-ratio: 4/3; }
	.pg-quote blockquote { font-size: 1.25rem; }
}