/* ==========================================================================
   ROUND 4 — Comparison (before/after slider) + Roadmap (next-gen R&D)
   ========================================================================== */

/* -------- Kicker variants -------- */
.section-kicker--purple {
	color: var(--purple);
	border-color: rgba(123,97,255,.4);
	background: rgba(123,97,255,.06);
}

/* -------- Comparison Slider -------- */
.section--comparison {
	background:
		radial-gradient(900px 500px at 50% 30%, rgba(20,184,166,.05), transparent 60%),
		var(--bg);
}

.compare-slider {
	max-width: 1040px;
	margin: 0 auto;
	user-select: none;
}

.compare-slider__frame {
	position: relative;
	width: 100%;
	min-height: 360px;          /* safety floor in case aspect-ratio fails */
	aspect-ratio: 16 / 9;
	border-radius: var(--radius-lg);
	overflow: hidden;
	border: 1px solid var(--border-strong);
	box-shadow: var(--shadow), 0 0 60px rgba(20,184,166,.1);
	background: var(--bg-elev-2);
}

.compare-slider__layer {
	position: absolute;
	inset: 0;
	margin: 0;
}
.compare-slider__layer img,
.compare-slider__layer svg {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.compare-slider__layer--front {
	clip-path: polygon(0 0, var(--x, 50%) 0, var(--x, 50%) 100%, 0 100%);
	-webkit-clip-path: polygon(0 0, var(--x, 50%) 0, var(--x, 50%) 100%, 0 100%);
	transition: clip-path .05s linear;
}

.compare-placeholder {
	width: 100%;
	height: 100%;
	position: relative;
}
.compare-placeholder svg {
	display: block;
}

.compare-slider__label {
	position: absolute;
	top: 16px;
	padding: 6px 14px;
	font-family: var(--font-mono);
	font-size: .75rem;
	letter-spacing: .1em;
	background: rgba(5, 7, 11, .72);
	border: 1px solid var(--border-strong);
	border-radius: 100px;
	color: var(--text);
	backdrop-filter: blur(8px);
	display: inline-flex;
	align-items: center;
	gap: 8px;
	z-index: 3;
}
.compare-slider__label--left { left: 16px; }
.compare-slider__label--right { right: 16px; }

.compare-slider__dot {
	width: 8px; height: 8px; border-radius: 50%;
	box-shadow: 0 0 8px currentColor;
}
.compare-slider__dot--optical { background: #CBD5E1; color: #CBD5E1; }
.compare-slider__dot--sar     { background: var(--accent); color: var(--accent); }

.compare-slider__handle {
	position: absolute;
	top: 0; bottom: 0;
	width: 2px;
	background: var(--accent);
	box-shadow: 0 0 18px rgba(20,184,166,.7), 0 0 30px rgba(20,184,166,.35);
	transform: translateX(-1px);
	cursor: ew-resize;
	z-index: 4;
	touch-action: none;
}

.compare-slider__grip {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	width: 54px;
	height: 54px;
	border-radius: 50%;
	background: var(--grad-accent);
	color: #041016;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 4px;
	font-size: .72rem;
	font-weight: 800;
	box-shadow: 0 6px 24px rgba(20,184,166,.4), 0 0 0 4px rgba(5,7,11,.6);
	cursor: ew-resize;
}

/* Range input — visually hidden but accessible (keyboard/screen-reader).
   ΔΕΝ καλύπτει το frame πλέον (πριν μπλόκαρε όλα τα click events). */
.compare-slider__input {
	position: absolute;
	left: 10px;
	bottom: 10px;
	width: 1px; height: 1px;
	opacity: 0;
	pointer-events: none;
	z-index: 1;
}
.compare-slider__input:focus {
	width: calc(100% - 20px); height: 30px;
	opacity: 1;
	pointer-events: auto;
}

.compare-slider__frame { cursor: ew-resize; touch-action: none; }
.compare-slider__frame.is-dragging { cursor: grabbing; }
.compare-slider__frame.is-dragging .compare-slider__layer--front { transition: none; }

.compare-slider__hint {
	text-align: center;
	margin-top: 18px;
	font-family: var(--font-mono);
	font-size: .82rem;
	color: var(--text-muted);
	letter-spacing: .08em;
	display: inline-flex;
	align-items: center;
	gap: 8px;
	width: 100%;
	justify-content: center;
}
.compare-slider__hint span {
	font-size: 1.1rem;
	color: var(--accent);
}

/* Conditions row */
.conditions-grid {
	margin-top: 50px;
	padding: 28px;
	background: var(--bg-elev-1);
	border: 1px solid var(--border);
	border-radius: var(--radius-lg);
	text-align: center;
}
.conditions-grid__title {
	font-family: var(--font-mono);
	font-size: .85rem;
	text-transform: uppercase;
	letter-spacing: .15em;
	color: var(--accent);
	margin-bottom: 20px;
}
.conditions-grid__items {
	display: flex;
	justify-content: center;
	gap: 12px;
	flex-wrap: wrap;
}
.condition-chip {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	padding: 10px 18px;
	background: var(--bg-elev-2);
	border: 1px solid var(--border-strong);
	border-radius: 100px;
	font-size: .9rem;
	color: var(--text);
}
.condition-chip__icon { font-size: 1.2rem; line-height: 1; }

/* -------- Roadmap -------- */
.section--roadmap {
	background:
		radial-gradient(900px 500px at 20% 80%, rgba(123,97,255,.06), transparent 60%),
		var(--bg-elev-1);
}

.roadmap-hero {
	display: grid;
	grid-template-columns: 1.1fr 1fr;
	gap: 40px;
	align-items: center;
	padding: 36px;
	background:
		linear-gradient(135deg, rgba(20,184,166,.06), rgba(123,97,255,.06)),
		var(--surface);
	border: 1px solid var(--border-strong);
	border-radius: var(--radius-lg);
	margin-bottom: 50px;
	overflow: hidden;
	position: relative;
}
.roadmap-hero::before {
	content: '';
	position: absolute;
	top: -40%; right: -20%;
	width: 400px; height: 400px;
	background: radial-gradient(circle, rgba(20,184,166,.1), transparent 70%);
	border-radius: 50%;
	pointer-events: none;
}

.roadmap-hero__visual {
	border-radius: 14px;
	overflow: hidden;
	border: 1px solid var(--border);
	background: #020617;
	position: relative;
	z-index: 1;
}

.roadmap-hero__body { position: relative; z-index: 1; }
.roadmap-hero__badge-row {
	display: flex;
	gap: 10px;
	flex-wrap: wrap;
	margin-bottom: 18px;
}
.roadmap-hero__title {
	font-size: clamp(1.5rem, 2.4vw, 1.9rem);
	margin-bottom: 14px;
	line-height: 1.2;
}
.roadmap-hero__desc {
	color: var(--text-muted);
	font-size: 1rem;
	margin-bottom: 18px;
	line-height: 1.7;
}
.roadmap-hero__points {
	list-style: none;
	margin: 0; padding: 0;
	display: flex; flex-direction: column; gap: 10px;
}
.roadmap-hero__points li {
	position: relative;
	padding-left: 24px;
	font-size: .92rem;
	color: var(--text);
	line-height: 1.55;
}
.roadmap-hero__points li::before {
	content: '▸';
	position: absolute;
	left: 0;
	color: var(--accent);
	font-size: .9rem;
}

.roadmap-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
	gap: 18px;
	margin-bottom: 40px;
}

.roadmap-card {
	padding: 24px 22px;
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	backdrop-filter: blur(8px);
	transition: transform .3s var(--ease), border-color .3s;
	display: flex;
	flex-direction: column;
	gap: 12px;
}
.roadmap-card:hover {
	transform: translateY(-3px);
	border-color: var(--border-strong);
}
.roadmap-card__head {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 10px;
}
.roadmap-card__icon {
	width: 40px; height: 40px;
	display: inline-flex; align-items: center; justify-content: center;
	border-radius: 10px;
	background: rgba(20,184,166,.08);
	border: 1px solid var(--border-strong);
	color: var(--accent);
}
.roadmap-card__icon svg { width: 20px; height: 20px; }
.roadmap-card__title {
	font-size: 1.02rem;
	margin: 0;
	color: var(--text);
}
.roadmap-card__desc {
	color: var(--text-muted);
	font-size: .88rem;
	margin: 0;
	line-height: 1.6;
}

/* Status pills (reusable) */
.status-pill {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 4px 12px;
	font-family: var(--font-mono);
	font-size: .7rem;
	font-weight: 700;
	letter-spacing: .12em;
	border-radius: 100px;
	border: 1px solid var(--border);
	background: var(--bg-elev-2);
	color: var(--text-muted);
}
.status-dot {
	width: 7px; height: 7px;
	border-radius: 50%;
	background: currentColor;
}
.status-pill--research { color: var(--text-muted); border-color: var(--border-strong); }
.status-pill--rnd      { color: var(--accent);    border-color: rgba(20,184,166,.4);  background: rgba(20,184,166,.06); }
.status-pill--alpha    { color: var(--purple);    border-color: rgba(123,97,255,.4);  background: rgba(123,97,255,.06); }
.status-pill--beta     { color: var(--success);   border-color: rgba(0,214,143,.4);   background: rgba(0,214,143,.06); }

.status-dot--rnd      { color: var(--accent); box-shadow: 0 0 8px var(--accent); animation: pulse 2s infinite; }
.status-dot--alpha    { color: var(--purple); box-shadow: 0 0 8px var(--purple); }
.status-dot--beta     { color: var(--success); box-shadow: 0 0 8px var(--success); }
.status-dot--research { color: var(--text-muted); }

/* Roadmap-card status accents */
.roadmap-card--rnd   { border-top: 2px solid var(--accent); }
.roadmap-card--alpha { border-top: 2px solid var(--purple); }
.roadmap-card--beta  { border-top: 2px solid var(--success); }

.roadmap-cta {
	padding: 30px;
	text-align: center;
	background: var(--bg-elev-1);
	border: 1px dashed var(--border-strong);
	border-radius: var(--radius-lg);
}
.roadmap-cta p {
	color: var(--text-muted);
	margin: 0 0 14px;
}

@media (max-width: 900px) {
	.roadmap-hero {
		grid-template-columns: 1fr;
		padding: 24px;
	}
	.compare-slider__grip { width: 46px; height: 46px; }
	.compare-slider__label { font-size: .7rem; padding: 5px 10px; }
}