/* ============================================
   NEKTIL V2 — RESET & BASE
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
	font-family: 'Poppins', sans-serif;
	color: #2c2c2c;
	line-height: 1.6;
	font-size: 15px;
	background: #fff;
	-webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; padding: 0; margin: 0; }

/* ============================================
   HERO — Fondo blanco, layout split
   ============================================ */
.nk-hero {
	position: relative;
	display: flex;
	align-items: stretch;
	overflow: hidden;
	background: #fff;
	padding-block: 108px 0;
}
.nk-hero__inner {
	display: flex;
	flex-direction: column;
	width: 100%;
	max-width: 1300px;
	margin: 0 auto;
}
.nk-hero__content {
	position: relative;
	z-index: 2;
	padding: 120px 24px 40px;
	display: flex;
	flex-direction: column;
	justify-content: center;
}
.nk-hero__logo {
	width: clamp(180px, 30vw, 280px);
	margin-bottom: 24px;
}
.nk-hero__title {
	font-size: clamp(1.6rem, 4vw, 2.8rem);
	color: #005030;
	line-height: 1.15;
	margin-bottom: 20px;
	letter-spacing: 0;
}
.nk-hero__title span {
	color: #00783C;
}
.nk-hero__subtitle {
	font-size: clamp(0.95rem, 2vw, 1.15rem);
	color: #555;
	max-width: 520px;
	margin-bottom: 30px;
	line-height: 1.7;
}
.nk-hero__badges {
	display: flex;
	gap: 10px;
	flex-wrap: wrap;
}
.nk-badge {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 7px 14px;
	font-size: 11px;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	background: #f0f7f4;
	color: #005030;
}
.nk-badge::before {
	content: '';
	width: 7px;
	height: 7px;
	border-radius: 50%;
	background: #00783C;
}
.nk-hero__image {
	flex-shrink: 0;
	display: flex;
	align-items: flex-end;
	justify-content: center;
	padding: 0 24px;
}
.nk-hero__image img {
	width: 100%;
	max-width: 550px;
	object-fit: contain;
	object-position: bottom;
}

/* ============================================
   STICKY NAV — Tabs de producto
   ============================================ */
.nk-tabs {
	position: sticky;
	top: 0;
	z-index: 100;
	background: #005030;
	border-bottom: 1px solid rgba(255,255,255,0.1);
}
.nk-tabs__inner {
	display: flex;
	max-width: 1200px;
	margin: 0 auto;
}
.nk-tab {
	flex: 1;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 14px 10px;
	font-size: 13px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 1px;
	color: rgba(255,255,255,0.6);
	border-bottom: 3px solid transparent;
	transition: all 0.3s;
	cursor: pointer;
	text-align: center;
}
.nk-tab:hover,
.nk-tab.active {
	color: #fff;
}
.nk-tab[data-product="citra"]:hover,
.nk-tab[data-product="citra"].active { border-bottom-color: #F5A01A; }
.nk-tab[data-product="rosso"]:hover,
.nk-tab[data-product="rosso"].active { border-bottom-color: #D1461C; }
.nk-tab[data-product="nuar"]:hover,
.nk-tab[data-product="nuar"].active { border-bottom-color: #3D3936; color: #ccc; }
.nk-tab[data-product="nuar"].active { color: #fff; }
.nk-tab[data-product="albo"]:hover,
.nk-tab[data-product="albo"].active { border-bottom-color: #839895; }

/* ============================================
   PRODUCT SECTION — Card layout horizontal
   ============================================ */
.nk-product {
	padding: 80px 24px;
	position: relative;
}
.nk-product:nth-child(even) {
	background: #f7f9f8;
}
.nk-product__accent {
	position: absolute;
	left: 0;
	top: 0;
	width: 6px;
	height: 100%;
}
.nk-product__inner {
	display: grid;
	grid-template-columns: 1fr;
	gap: 40px;
	max-width: 1200px;
	margin: 0 auto;
	align-items: center;
}
.nk-product:nth-child(even) .nk-product__inner {
	direction: rtl;
}
.nk-product:nth-child(even) .nk-product__inner > * {
	direction: ltr;
}
.nk-product__visual {
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 20px;
}
.nk-product__visual img {
	max-height: 380px;
	width: auto;
	filter: drop-shadow(0 20px 40px rgba(0,0,0,0.15));
	transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}
.nk-product__visual:hover img {
	transform: scale(1.03);
}
.nk-product__info {
	padding: 0;
}
.nk-product__header {
	margin-bottom: 24px;
}
.nk-product__logo {
	height: 50px;
	width: auto;
	margin-bottom: 12px;
}
.nk-product__tagline {
	font-size: 23px;
	font-weight: bold;
	text-transform: uppercase;
	letter-spacing: 1px;
	color: var(--green);
	line-height: 1.1;
	margin-bottom: 2rem;
}
.nk-product__desc {
	font-size: 15px;
	line-height: 1.7;
	margin-bottom: 30px;
	color: #444;
}
.nk-product__desc strong {
	color: #2c2c2c;
}

/* Datos en grid */
.nk-data {
	display: grid;
	grid-template-columns: 1fr;
	gap: 20px;
	margin-bottom: 24px;
}
.nk-data__card {
	padding: 20px;
	border-radius: 12px;
	background: #fff;
	border: 1px solid #e8ece9;
}
.nk-product:nth-child(even) .nk-data__card {
	background: #fff;
}
.nk-data__title {
	font-size: 20px;
	font-weight: 700;
	text-transform: uppercase;
	margin-bottom: 10px;
	padding-bottom: 8px;
	border-bottom: 2px solid;
}
.nk-data__list {
	font-size: 13px;
	line-height: 1.8;
}
.nk-data__list li {
	padding-left: 16px;
	position: relative;
	font-size: 0.9rem;
	margin-bottom: 1.1rem;
	line-height: 1.5;
}
.nk-data__list li::before {
	content: '';
	position: absolute;
	left: 0;
	top: 10px;
	width: 6px;
	height: 6px;
	border-radius: 50%;
}

/* Composición */
.nk-composition {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 20px 16px;
	border-radius: 8px;
	background: #f0f2f1;
	font-size: 16px;
	color: #666;
}
.nk-composition strong {
	color: #333;
}

/* Product-specific accent colors */
.nk-product--citra .nk-product__accent { background: #F5A01A; }
.nk-product--citra .nk-data__title { border-color: #F5A01A; color: #b87500; }
.nk-product--citra .nk-data__list li::before { background: #F5A01A; }

.nk-product--rosso .nk-product__accent { background: #D1461C; }
.nk-product--rosso .nk-data__title { border-color: #D1461C; color: #a0341a; }
.nk-product--rosso .nk-data__list li::before { background: #D1461C; }

.nk-product--nuar .nk-product__accent { background: #3D3936; }
.nk-product--nuar .nk-data__title { border-color: #3D3936; color: #3D3936; }
.nk-product--nuar .nk-data__list li::before { background: #3D3936; }

.nk-product--albo .nk-product__accent { background: #839895; }
.nk-product--albo .nk-data__title { border-color: #839895; color: #5e7572; }
.nk-product--albo .nk-data__list li::before { background: #839895; }

/* ============================================
   FOOTER BANNER
   ============================================ */
.nk-footer-banner {
	background: #005030;
	color: #fff;
	padding: 60px 24px;
	text-align: center;
}
.nk-footer-banner__inner {
	max-width: 800px;
	margin: 0 auto;
}
.nk-footer-banner h2 {
	font-size: clamp(1.5rem, 3vw, 2rem);
	font-weight: 300;
	margin-bottom: 18px;
	font-size: 4rem;
	text-transform: uppercase;
	letter-spacing: 0.6px;
}
.nk-footer-banner p {
	font-size: 16px;
	color: rgba(255,255,255,0.8);
	line-height: 1.7;
}
.nk-footer-banner__icons {
	display: flex;
	justify-content: center;
	gap: 30px;
	margin-top: 30px;
	flex-wrap: wrap;
}
.nk-footer-banner__icon {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 15px;
	font-size: 11px;
	text-transform: uppercase;
	letter-spacing: 1px;
	color: rgba(255,255,255,0.7);
}
.nk-footer-banner__icon span {
	width: 58px;
	height: 58px;
	border-radius: 50%;
	background: rgba(255,255,255,0.1);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 40px;
}

/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */
@keyframes nk-fadeUp {
	from { opacity: 0; transform: translateY(30px); }
	to   { opacity: 1; transform: translateY(0); }
}
@keyframes nk-fadeIn {
	from { opacity: 0; }
	to   { opacity: 1; }
}
@keyframes nk-slideLeft {
	from { opacity: 0; transform: translateX(40px); }
	to   { opacity: 1; transform: translateX(0); }
}
@keyframes nk-slideRight {
	from { opacity: 0; transform: translateX(-40px); }
	to   { opacity: 1; transform: translateX(0); }
}
@keyframes nk-scaleIn {
	from { opacity: 0; transform: scale(0.92); }
	to   { opacity: 1; transform: scale(1); }
}

.nk-reveal {
	opacity: 0;
}
.nk-reveal.is-visible {
	animation-fill-mode: both;
	animation-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
}

/* Fade up (default) */
.nk-reveal--up.is-visible        { animation-name: nk-fadeUp; }
.nk-reveal--fade.is-visible      { animation-name: nk-fadeIn; }
.nk-reveal--left.is-visible      { animation-name: nk-slideLeft; }
.nk-reveal--right.is-visible     { animation-name: nk-slideRight; }
.nk-reveal--scale.is-visible     { animation-name: nk-scaleIn; }

/* Stagger delays via data-delay attribute */
.nk-reveal.is-visible[data-delay="1"] { animation-delay: 0.1s; }
.nk-reveal.is-visible[data-delay="2"] { animation-delay: 0.2s; }
.nk-reveal.is-visible[data-delay="3"] { animation-delay: 0.3s; }
.nk-reveal.is-visible[data-delay="4"] { animation-delay: 0.4s; }
.nk-reveal.is-visible[data-delay="5"] { animation-delay: 0.5s; }

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
	.nk-reveal { opacity: 1; }
	.nk-reveal.is-visible { animation: none; opacity: 1; }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (min-width: 768px) {
	.nk-hero__inner {
		flex-direction: row;
		align-items: stretch;
	}
	.nk-hero__content {
		flex: 1;
		padding: 120px 40px 60px 50px;
	}
	.nk-hero__image {
		flex: 0 0 45%;
		padding: 0 20px 0 0;
	}
	.nk-hero__image img {
		max-width: 100%;
		height: 100%;
		object-fit: contain;
		object-position: right bottom;
	}
	.nk-tab {font-size: 19px;padding: 18px 16px;}
	.nk-product { padding: 100px 40px; }
	.nk-product__inner {
		grid-template-columns: 1fr 1.2fr;
		gap: 60px;
	}
	.nk-data {
		grid-template-columns: 1fr 1fr;
	}
	.nk-product__logo {height: 160px;margin-bottom: 2rem;}
	.nk-product__inner {
		align-items: start;
	}
	.nk-product__visual {
		position: sticky;
		top: 80px; /* compensar sticky nav */
		align-self: start;
	}
}

@media (min-width: 1200px) {
	.nk-hero__content {padding: 70px 60px 80px 80px;}
	.nk-hero__image { flex: 0 0 48%; }
	.nk-product { padding: 120px 60px; }
	.nk-product__inner {gap: 20px;align-items: start;position: relative;}
	.nk-product__desc { font-size: 16px; }
}