/* =========================================================
   NDA Demos — blanco, técnico, lujo, con presencia y movimiento
   ========================================================= */

@keyframes ndaFadeUp {
	from { opacity: 0; transform: translateY(18px); }
	to   { opacity: 1; transform: translateY(0); }
}
@keyframes ndaPulse {
	0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(31,111,84,0.45); }
	50%      { opacity: 0.55; box-shadow: 0 0 0 6px rgba(31,111,84,0); }
}
@keyframes ndaSweep {
	0%   { transform: translateX(-120%); }
	100% { transform: translateX(220%); }
}

.nda-demos-wrap {
	--nda-bg: #ffffff;
	--nda-surface: #fdfdfd;
	--nda-ink: #0b0b0c;
	--nda-muted: #6d717a;
	--nda-line: #e8e8eb;
	--nda-gold: #b8935f;
	--nda-gold-strong: #96723f;
	--nda-jade: #1f6f54;
	--nda-jade-dark: #164e3b;
	--nda-locked-ink: #9a9da3;

	position: relative;
	max-width: 1180px;
	margin: 0 auto;
	background: var(--nda-bg);
	color: var(--nda-ink);
	font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
	padding: 84px 24px 50px;
	overflow: hidden;
}

/* Textura técnica de fondo: grid de puntos, casi imperceptible */
.nda-demos-wrap::before {
	content: "";
	position: absolute;
	inset: 0;
	background-image: radial-gradient(circle, #d9d9dc 1px, transparent 1px);
	background-size: 26px 26px;
	opacity: 0.5;
	mask-image: radial-gradient(ellipse 900px 500px at 50% 15%, #000 40%, transparent 85%);
	pointer-events: none;
	z-index: 0;
}
/* Resplandor ambiental detrás del título */
.nda-demos-wrap::after {
	content: "";
	position: absolute;
	top: -120px;
	left: 50%;
	transform: translateX(-50%);
	width: 700px;
	height: 420px;
	background: radial-gradient(ellipse at center, rgba(184,147,95,0.10) 0%, rgba(31,111,84,0.05) 45%, transparent 75%);
	pointer-events: none;
	z-index: 0;
}

.nda-demos-header, .nda-hairline, .nda-demos-grid, .nda-hint { position: relative; z-index: 1; }

/* Encabezado */
.nda-demos-header { text-align: center; margin-bottom: 36px; }

.nda-eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-family: 'IBM Plex Mono', monospace;
	font-size: 11px;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: var(--nda-gold-strong);
	margin-bottom: 20px;
	opacity: 0;
	animation: ndaFadeUp 0.7s ease forwards;
}
.nda-eyebrow .nda-dot {
	width: 6px; height: 6px; border-radius: 50%;
	background: var(--nda-jade);
	animation: ndaPulse 2s ease-in-out infinite;
}

.nda-demos-header h2 {
	font-family: 'Unbounded', sans-serif;
	font-weight: 700;
	font-size: clamp(32px, 4.4vw, 52px);
	letter-spacing: -0.025em;
	line-height: 1.1;
	margin: 0 0 20px;
	opacity: 0;
	animation: ndaFadeUp 0.75s ease 0.08s forwards;
}
.nda-demos-header p {
	font-size: 16.5px;
	color: var(--nda-muted);
	max-width: 620px;
	margin: 0 auto;
	line-height: 1.65;
	opacity: 0;
	animation: ndaFadeUp 0.75s ease 0.16s forwards;
}

.nda-hairline {
	height: 1px;
	width: 0%;
	margin: 44px auto 48px;
	background: linear-gradient(90deg, transparent, var(--nda-gold) 50%, transparent);
	animation: ndaHairline 0.9s ease 0.35s forwards;
}
@keyframes ndaHairline { from { width: 0%; opacity: 0; } to { width: 100%; opacity: 1; } }

/* Grid de tarjetas */
.nda-demos-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: 28px;
}

.nda-demo-card {
	position: relative;
	background: var(--nda-surface);
	border: 1px solid var(--nda-line);
	border-radius: 3px;
	display: flex;
	flex-direction: column;
	overflow: hidden;
	opacity: 0;
	transform: translateY(18px);
	animation: ndaFadeUp 0.7s ease forwards;
	transition: transform .4s cubic-bezier(.2,.8,.2,1), box-shadow .4s ease, border-color .4s ease;
}
.nda-demo-card:nth-child(1) { animation-delay: 0.45s; }
.nda-demo-card:nth-child(2) { animation-delay: 0.55s; }
.nda-demo-card:nth-child(3) { animation-delay: 0.65s; }

.nda-demo-card:hover {
	transform: translateY(-6px);
	border-color: var(--nda-gold);
	box-shadow: 0 24px 48px -20px rgba(11,11,12,0.22), 0 0 0 1px rgba(184,147,95,0.15);
}

/* Barra dorada que aparece arriba de la tarjeta al hover */
.nda-demo-card::before {
	content: "";
	position: absolute;
	top: 0; left: 0; right: 0;
	height: 2px;
	background: linear-gradient(90deg, var(--nda-gold), var(--nda-jade));
	transform: scaleX(0);
	transform-origin: left;
	transition: transform .45s ease;
}
.nda-demo-card:hover::before { transform: scaleX(1); }

.nda-demo-media {
	position: relative;
	height: 230px;
	margin: 20px 20px 0;
	overflow: hidden;
	border-radius: 2px;
	background: #eeeeef;
}
.nda-demo-img {
	position: absolute;
	inset: 0;
	background-size: cover;
	background-position: center;
	transition: transform .6s cubic-bezier(.2,.8,.2,1);
}
.nda-demo-card:hover .nda-demo-img { transform: scale(1.08); }

/* Marcas de esquina tipo visor/HUD */
.nda-corner {
	position: absolute;
	width: 16px;
	height: 16px;
	border: 1.6px solid var(--nda-gold);
	opacity: 0.85;
	transition: width .35s ease, height .35s ease, border-color .35s ease, opacity .35s ease;
	z-index: 2;
}
.nda-corner-tl { top: 8px; left: 8px; border-right: none; border-bottom: none; }
.nda-corner-tr { top: 8px; right: 8px; border-left: none; border-bottom: none; }
.nda-corner-bl { bottom: 8px; left: 8px; border-right: none; border-top: none; }
.nda-corner-br { bottom: 8px; right: 8px; border-left: none; border-top: none; }
.nda-demo-card:hover .nda-corner {
	width: 24px; height: 24px;
	border-color: var(--nda-jade);
	opacity: 1;
}

.nda-lock-badge {
	position: absolute;
	top: 12px;
	right: 12px;
	width: 30px;
	height: 30px;
	border-radius: 50%;
	background: rgba(11, 11, 12, 0.72);
	color: #fff;
	display: flex;
	align-items: center;
	justify-content: center;
	z-index: 3;
	backdrop-filter: blur(2px);
}

.nda-demo-body {
	position: relative;
	padding: 24px 22px 28px;
	display: flex;
	flex-direction: column;
	flex: 1;
	overflow: hidden;
}

/* Número gigante fantasma — el elemento editorial de lujo */
.nda-card-num {
	position: absolute;
	right: 10px;
	bottom: -6px;
	font-family: 'Unbounded', sans-serif;
	font-weight: 700;
	font-size: 92px;
	line-height: 1;
	color: var(--nda-ink);
	opacity: 0.035;
	pointer-events: none;
	z-index: 0;
	transition: opacity .4s ease, transform .4s ease;
}
.nda-demo-card:hover .nda-card-num { opacity: 0.06; transform: translateY(-4px); }

.nda-demo-eyebrow, .nda-demo-brand, .nda-demo-sub, .nda-demo-btn { position: relative; z-index: 1; }

.nda-demo-eyebrow {
	font-family: 'IBM Plex Mono', monospace;
	font-size: 10.5px;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--nda-muted);
	margin-bottom: 10px;
}
.nda-demo-brand {
	font-family: 'Unbounded', sans-serif;
	font-weight: 500;
	font-size: 19px;
	letter-spacing: -0.01em;
	margin: 0 0 6px;
}
.nda-demo-sub {
	font-size: 14px;
	color: var(--nda-muted);
	line-height: 1.55;
	margin: 0 0 24px;
	flex: 1;
}

/* Botones */
.nda-demo-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	border-radius: 2px;
	padding: 12px 22px;
	font-family: 'Inter', sans-serif;
	font-size: 13.5px;
	font-weight: 600;
	letter-spacing: 0.02em;
	cursor: pointer;
	transition: all .25s ease;
	align-self: flex-start;
}

.nda-demo-btn.is-locked {
	background: transparent;
	border: 1px solid var(--nda-line);
	color: var(--nda-locked-ink);
}
.nda-demo-btn.is-locked:hover {
	border-color: var(--nda-gold);
	color: var(--nda-ink);
	box-shadow: 0 0 0 3px rgba(184,147,95,0.12);
}
.nda-demo-btn.is-locked .nda-btn-arrow { display: none; }

.nda-demo-btn.is-unlocked {
	position: relative;
	background: var(--nda-jade);
	border: 1px solid var(--nda-jade);
	color: #fff;
	overflow: hidden;
}
.nda-demo-btn.is-unlocked:hover {
	background: var(--nda-jade-dark);
	box-shadow: 0 10px 24px -8px rgba(31,111,84,0.55);
	transform: translateY(-1px);
}
/* Brillo que recorre el botón activo, sutil, una sola vez por hover */
.nda-demo-btn.is-unlocked::after {
	content: "";
	position: absolute;
	top: 0; left: 0; height: 100%; width: 40%;
	background: linear-gradient(120deg, transparent, rgba(255,255,255,0.35), transparent);
	transform: translateX(-120%);
}
.nda-demo-btn.is-unlocked:hover::after { animation: ndaSweep 0.9s ease; }

.nda-hint {
	text-align: center;
	color: var(--nda-muted);
	font-size: 13px;
	font-family: 'IBM Plex Mono', monospace;
	letter-spacing: 0.01em;
	margin: 34px 0 10px;
	opacity: 0;
	animation: ndaFadeUp 0.7s ease 0.9s forwards;
}

@media (prefers-reduced-motion: reduce) {
	.nda-demos-wrap *, .nda-demos-wrap *::before, .nda-demos-wrap *::after {
		animation: none !important;
		transition: none !important;
		opacity: 1 !important;
		transform: none !important;
	}
}

/* Modal NDA */
.nda-modal-overlay {
	display: none;
	position: fixed;
	inset: 0;
	background: rgba(11, 11, 12, 0.55);
	z-index: 99999;
	align-items: center;
	justify-content: center;
	padding: 20px;
	backdrop-filter: blur(3px);
}
.nda-modal-overlay.is-open { display: flex; }

.nda-modal {
	background: #fff;
	width: 100%;
	max-width: 560px;
	max-height: 90vh;
	overflow-y: auto;
	border: 1px solid var(--nda-line, #e8e8eb);
	border-radius: 3px;
	padding: 30px;
	position: relative;
	font-family: 'Inter', sans-serif;
	box-shadow: 0 30px 70px -20px rgba(0,0,0,0.35);
	animation: ndaFadeUp 0.35s ease;
}

.nda-modal-close {
	position: absolute;
	top: 14px;
	right: 18px;
	background: none;
	border: none;
	font-size: 24px;
	cursor: pointer;
	line-height: 1;
	color: #9a9da3;
}

.nda-modal h2 {
	font-family: 'Unbounded', sans-serif;
	font-size: 19px;
	font-weight: 500;
	margin-top: 0;
	margin-bottom: 18px;
}

.nda-modal-text {
	border: 1px solid #e8e8eb;
	border-radius: 2px;
	padding: 14px;
	max-height: 220px;
	overflow-y: auto;
	font-size: 13px;
	color: #444;
	margin-bottom: 20px;
	background: #fafafa;
}

#nda-form label {
	display: block;
	font-size: 12.5px;
	font-weight: 600;
	margin-bottom: 14px;
	color: #333;
	letter-spacing: 0.01em;
}
#nda-form input[type="text"],
#nda-form input[type="email"] {
	display: block;
	width: 100%;
	margin-top: 7px;
	padding: 11px 12px;
	border: 1px solid #d8d8db;
	border-radius: 2px;
	font-size: 14px;
	font-weight: 400;
	font-family: 'Inter', sans-serif;
	box-sizing: border-box;
	transition: border-color .2s ease, box-shadow .2s ease;
}
#nda-form input:focus {
	outline: none;
	border-color: var(--nda-gold, #b8935f);
	box-shadow: 0 0 0 3px rgba(184,147,95,0.15);
}

.nda-check-row {
	display: flex !important;
	align-items: center;
	gap: 8px;
	font-weight: 500 !important;
}
.nda-check-row input { width: auto; margin: 0; }

.nda-form-msg {
	font-size: 13px;
	margin: 10px 0;
	min-height: 18px;
}
.nda-form-msg.error { color: #b3261e; }
.nda-form-msg.success { color: #1f6f54; }

.nda-submit-btn {
	width: 100%;
	background: var(--nda-jade, #1f6f54);
	color: #fff;
	border: none;
	border-radius: 2px;
	padding: 13px;
	font-size: 14.5px;
	font-weight: 600;
	font-family: 'Inter', sans-serif;
	cursor: pointer;
	transition: background .2s ease, box-shadow .2s ease;
}
.nda-submit-btn:hover { background: var(--nda-jade-dark, #164e3b); box-shadow: 0 8px 20px -6px rgba(31,111,84,0.5); }
.nda-submit-btn:disabled {
	background: #d8d8db;
	cursor: not-allowed;
	box-shadow: none;
}