/* =================================================================
   OBELUM — main.css
   Sistema de tokens + estilos.
   ================================================================= */

/* ---------- Inter (self-hosted) -----------------------------------
   Coloca el archivo variable en /assets/fonts/Inter-VariableFont.woff2.
   Si aún no está, la pila system-ui actúa como fallback inmediato.
   ----------------------------------------------------------------- */
@font-face {
	font-family: "Inter";
	src: url("../fonts/Inter-VariableFont.woff2") format("woff2-variations"),
	     url("../fonts/Inter-VariableFont.woff2") format("woff2");
	font-weight: 100 900;
	font-style: normal;
	font-display: swap;
}

@font-face {
	font-family: "Instrument Serif";
	src: url("../fonts/InstrumentSerif-Italic.woff2") format("woff2");
	font-weight: 400;
	font-style: italic;
	font-display: swap;
}

/* ---------- Tokens ------------------------------------------------ */
:root {
	--abismo:       #0A1325;
	--noche:        #070D1C;
	--profundo:     #0F2042;
	--cobalto:      #1E5BFF;
	--cobalto-luz:  #5B8CFF;
	--halo:         #9DB8FF;
	--blanco:       #FFFFFF;
	--gris-claro:   #C7D2E8;
	--niebla:       #A8B6D1;
	--linea:        rgba(91, 140, 255, 0.14);

	--font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	--font-serif: "Instrument Serif", Georgia, "Times New Roman", serif;

	--ease: cubic-bezier(0.22, 1, 0.36, 1);
	--radius-sm: 8px;
	--radius:    14px;
	--radius-lg: 28px;

	--container: 1200px;
	--gutter: clamp(1.25rem, 4vw, 2rem);

	--header-h: 72px;
}

/* ---------- Reset ligero ----------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }
* { margin: 0; }
html {
	-webkit-text-size-adjust: 100%;
	scroll-behavior: smooth;
	color-scheme: dark;
}
@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
}
body {
	font-family: var(--font-sans);
	font-weight: 400;
	font-size: 1.0625rem;
	line-height: 1.6;
	color: var(--gris-claro);
	background: var(--abismo);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; background: none; border: 0; color: inherit; }
ul, ol { list-style: none; padding: 0; }

:focus-visible {
	outline: 2px solid var(--cobalto-luz);
	outline-offset: 3px;
	border-radius: 4px;
}

.screen-reader-text {
	position: absolute !important;
	clip: rect(1px, 1px, 1px, 1px);
	width: 1px; height: 1px;
	overflow: hidden;
	white-space: nowrap;
}
.skip-link {
	position: absolute;
	left: -9999px; top: 8px;
	background: var(--cobalto);
	color: #fff;
	padding: 8px 14px;
	border-radius: var(--radius-sm);
	z-index: 1000;
}
.skip-link:focus { left: 12px; }

/* ---------- Layout ----------------------------------------------- */
.container {
	max-width: var(--container);
	margin-inline: auto;
	padding-inline: var(--gutter);
}
.section {
	padding-block: clamp(4rem, 10vw, 7.5rem);
	position: relative;
}
.section--alt { background: var(--noche); }
.section__head {
	max-width: 760px;
	margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.section__head .lead { margin-top: 1rem; }

/* ---------- Tipografía ------------------------------------------- */
.h1, h1 {
	font-size: clamp(2.6rem, 6vw, 4.25rem);
	font-weight: 600;
	line-height: 1.05;
	letter-spacing: -0.02em;
	color: var(--blanco);
}
.h2, h2 {
	font-size: clamp(1.9rem, 4vw, 2.75rem);
	font-weight: 600;
	line-height: 1.1;
	letter-spacing: -0.01em;
	color: var(--blanco);
}
.h3, h3 {
	font-size: 1.25rem;
	font-weight: 600;
	color: var(--blanco);
}
.lead {
	font-size: 1.15rem;
	color: var(--niebla);
	max-width: 64ch;
}
.eyebrow {
	font-size: 0.75rem;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.18em;
	color: var(--cobalto-luz);
	display: inline-flex;
	align-items: center;
	gap: 0.6rem;
}
.eyebrow__dot {
	display: inline-block;
	width: 7px;
	height: 7px;
	border-radius: 50%;
	background: var(--cobalto-luz);
	box-shadow: 0 0 14px var(--cobalto-luz);
	animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse {
	0%, 100% { transform: scale(1);   opacity: 1; }
	50%      { transform: scale(1.4); opacity: 0.55; }
}
.highlight {
	color: var(--cobalto-luz);
	font-style: italic;
	font-family: var(--font-serif);
	font-weight: 400;
}

/* ---------- Header ----------------------------------------------- */
.site-header {
	position: fixed;
	inset: 0 0 auto 0;
	z-index: 50;
	transition: background-color .3s var(--ease), border-color .3s var(--ease), backdrop-filter .3s var(--ease);
	border-bottom: 1px solid transparent;
}
.site-header.scrolled {
	background: rgba(7, 13, 28, 0.78);
	backdrop-filter: saturate(140%) blur(14px);
	-webkit-backdrop-filter: saturate(140%) blur(14px);
	border-bottom-color: var(--linea);
}
.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1.5rem;
	height: var(--header-h);
}
.brand {
	display: inline-flex;
	align-items: center;
	gap: 0.6rem;
	color: var(--blanco);
}
.brand { flex: none; }
.brand svg, .brand img { width: auto; height: 36px; max-width: none; }
.brand__text {
	font-weight: 600;
	letter-spacing: 0.04em;
}
.brand--footer svg, .brand--footer img { height: 32px; }

.nav { display: none; }
@media (min-width: 880px) {
	.nav { display: block; }
}
.nav__list {
	display: flex;
	gap: 1.75rem;
	align-items: center;
}
.nav__list a {
	font-size: 0.95rem;
	color: var(--gris-claro);
	transition: color .2s var(--ease);
	position: relative;
}
.nav__list a:hover { color: var(--blanco); }
.nav__list a::after {
	content: "";
	position: absolute;
	left: 0; right: 0; bottom: -6px;
	height: 1px;
	background: var(--cobalto-luz);
	transform: scaleX(0);
	transform-origin: left;
	transition: transform .25s var(--ease);
}
.nav__list a:hover::after { transform: scaleX(1); }

.header__cta { display: none; }
@media (min-width: 880px) { .header__cta { display: inline-flex; } }

.nav-toggle {
	display: inline-flex;
	flex-direction: column;
	gap: 5px;
	padding: 10px;
	border-radius: var(--radius-sm);
}
@media (min-width: 880px) { .nav-toggle { display: none; } }
.nav-toggle__bar {
	display: block;
	width: 22px;
	height: 2px;
	background: var(--blanco);
	transition: transform .25s var(--ease), opacity .25s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
	background: var(--noche);
	border-top: 1px solid var(--linea);
	padding: 1.25rem var(--gutter) 1.75rem;
}
.mobile-nav__list {
	display: flex;
	flex-direction: column;
	gap: 0.25rem;
	margin-bottom: 1rem;
}
.mobile-nav__list a {
	display: block;
	padding: 0.75rem 0;
	font-size: 1.05rem;
	color: var(--blanco);
	border-bottom: 1px solid var(--linea);
}

/* ---------- Botones ---------------------------------------------- */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.55rem;
	padding: 0.9rem 1.4rem;
	font-weight: 500;
	font-size: 0.95rem;
	border-radius: 999px;
	border: 1px solid transparent;
	transition: transform .2s var(--ease), box-shadow .25s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
	white-space: nowrap;
}
.btn--sm { padding: 0.65rem 1.1rem; font-size: 0.875rem; }
.btn--lg { padding: 1.1rem 1.8rem; font-size: 1rem; }
.btn--block { display: flex; width: 100%; }

.btn--primary {
	background: var(--cobalto);
	color: var(--blanco);
	box-shadow: 0 8px 24px -10px rgba(30, 91, 255, 0.6);
}
.btn--primary:hover {
	background: var(--cobalto-luz);
	transform: translateY(-1px);
	box-shadow: 0 14px 38px -10px rgba(91, 140, 255, 0.65);
}

.btn--ghost {
	background: transparent;
	color: var(--blanco);
	border-color: var(--linea);
}
.btn--ghost:hover {
	border-color: var(--cobalto-luz);
	color: var(--blanco);
	background: rgba(91, 140, 255, 0.06);
}

.btn__arrow { transition: transform .25s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(3px); }

/* ---------- Hero ------------------------------------------------- */
.hero {
	position: relative;
	min-height: 100vh;
	min-height: 100svh;
	display: flex;
	align-items: center;
	padding-block: calc(var(--header-h) + 3rem) 4rem;
	overflow: hidden;
	isolation: isolate;
}
.hero__bg { position: absolute; inset: 0; z-index: -1; }
.hero__glow {
	position: absolute;
	left: 50%;
	top: -10%;
	width: 1100px;
	height: 1100px;
	transform: translateX(-50%);
	background: radial-gradient(circle at 50% 30%, rgba(91,140,255,0.32) 0%, rgba(30,91,255,0.12) 30%, transparent 65%);
	filter: blur(20px);
	pointer-events: none;
}
.hero__grid {
	position: absolute;
	inset: 0;
	background-image:
		linear-gradient(rgba(157,184,255,0.06) 1px, transparent 1px),
		linear-gradient(90deg, rgba(157,184,255,0.06) 1px, transparent 1px);
	background-size: 64px 64px;
	mask-image: radial-gradient(circle at 50% 35%, #000 0%, transparent 65%);
	-webkit-mask-image: radial-gradient(circle at 50% 35%, #000 0%, transparent 65%);
	opacity: 0.5;
}
.hero__inner { position: relative; max-width: 980px; }
.hero__eyebrow { margin-bottom: 1.5rem; }
.hero__title  { margin-bottom: 1.5rem; }
.hero__lead   { margin-bottom: 2.25rem; font-size: clamp(1.05rem, 1.6vw, 1.25rem); }
.hero__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.85rem;
	margin-bottom: 2.5rem;
}
.hero__meta {
	font-size: 0.875rem;
	color: var(--niebla);
	letter-spacing: 0.02em;
}
.hero__signature {
	position: absolute;
	right: -40px;
	bottom: -20px;
	width: min(46vw, 600px);
	pointer-events: none;
	opacity: 0.85;
}
.hero__signature svg { width: 100%; height: auto; }
.signature__beam rect {
	transform-origin: left center;
	animation: beam-in 1.6s var(--ease) both;
}
.signature__rays .ray {
	transform-origin: 0 0;
	transform: scaleX(0);
	animation: ray-in 1.2s var(--ease) forwards;
}
.signature__rays .ray-1 { animation-delay: 0.6s; }
.signature__rays .ray-2 { animation-delay: 0.7s; }
.signature__rays .ray-3 { animation-delay: 0.8s; }
.signature__rays .ray-4 { animation-delay: 0.9s; }
.signature__rays .ray-5 { animation-delay: 1.0s; }
.signature__rays .ray-6 { animation-delay: 1.1s; }
@keyframes beam-in { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes ray-in  { from { transform: scaleX(0); opacity: 0; } to { transform: scaleX(1); opacity: 1; } }

@media (max-width: 880px) {
	.hero__signature { display: none; }
}

/* ---------- Tira de confianza ------------------------------------ */
.trust { padding-block: 2rem 0; }
.trust__band {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 1rem 2rem;
	padding: 1.25rem 1.5rem;
	border-top: 1px solid var(--linea);
	border-bottom: 1px solid var(--linea);
}
.trust__label {
	font-size: 0.75rem;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: var(--niebla);
}
.trust__list {
	display: flex;
	flex-wrap: wrap;
	gap: 1rem 2rem;
}
.trust__item {
	font-size: 0.95rem;
	color: var(--gris-claro);
	font-weight: 500;
	letter-spacing: 0.02em;
	opacity: 0.85;
}

/* ---------- Cards (Qué hacemos) ---------------------------------- */
.cards {
	display: grid;
	gap: 1.25rem;
	grid-template-columns: 1fr;
}
@media (min-width: 720px)  { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .cards { grid-template-columns: repeat(3, 1fr); } }
.card {
	position: relative;
	padding: 2rem;
	background: linear-gradient(180deg, rgba(15, 32, 66, 0.55) 0%, rgba(15, 32, 66, 0.25) 100%);
	border: 1px solid var(--linea);
	border-radius: var(--radius-lg);
	overflow: hidden;
	transition: transform .35s var(--ease), border-color .35s var(--ease);
	--mx: 50%;
	--my: 50%;
}
.card:hover {
	border-color: rgba(91, 140, 255, 0.35);
	transform: translateY(-2px);
}
.card__glow {
	position: absolute;
	inset: -1px;
	background: radial-gradient(circle at var(--mx) var(--my), rgba(91,140,255,0.18) 0%, transparent 45%);
	opacity: 0;
	transition: opacity .35s var(--ease);
	pointer-events: none;
}
.card:hover .card__glow { opacity: 1; }
.card__icon {
	width: 48px;
	height: 48px;
	color: var(--cobalto-luz);
	margin-bottom: 1.5rem;
}
.card__title { margin-bottom: 0.65rem; }
.card__text  { color: var(--gris-claro); }

/* ---------- Métricas --------------------------------------------- */
.metrics__list {
	display: grid;
	gap: 2rem;
	grid-template-columns: 1fr;
	padding: clamp(2rem, 4vw, 3rem) clamp(1.5rem, 3vw, 2.5rem);
	background: linear-gradient(180deg, rgba(15, 32, 66, 0.4) 0%, rgba(15, 32, 66, 0.15) 100%);
	border: 1px solid var(--linea);
	border-radius: var(--radius-lg);
}
@media (min-width: 720px) { .metrics__list { grid-template-columns: repeat(3, 1fr); } }
.metric { text-align: left; }
.metric__value {
	font-size: clamp(2.4rem, 5vw, 3.75rem);
	font-weight: 600;
	line-height: 1;
	color: var(--blanco);
	letter-spacing: -0.02em;
	display: flex;
	align-items: baseline;
	gap: 0.05em;
}
.metric__prefix { color: var(--cobalto-luz); }
.metric__suffix { color: var(--cobalto-luz); font-weight: 500; }
.metric__label {
	margin-top: 0.85rem;
	color: var(--niebla);
	font-size: 0.95rem;
	max-width: 30ch;
}

/* ---------- Método ----------------------------------------------- */
.steps {
	display: grid;
	gap: 2rem;
	grid-template-columns: 1fr;
}
@media (min-width: 880px) {
	.steps {
		grid-template-columns: repeat(3, 1fr);
		gap: 0;
	}
	.step {
		padding-inline: 2rem;
		border-left: 1px solid var(--linea);
	}
	.step:first-child { padding-left: 0; border-left: 0; }
}
.step__phase {
	font-size: 0.72rem;
	letter-spacing: 0.22em;
	text-transform: uppercase;
	color: var(--cobalto-luz);
	margin-bottom: 1rem;
}
.step__title { margin-bottom: 0.65rem; }
.step__text  { color: var(--gris-claro); }

/* ---------- CTA final ------------------------------------------- */
.section--cta { padding-block: clamp(3.5rem, 8vw, 6rem); }
.cta-box {
	position: relative;
	padding: clamp(2.5rem, 6vw, 4.5rem) clamp(1.75rem, 5vw, 3.5rem);
	border-radius: var(--radius-lg);
	background:
		radial-gradient(circle at 80% 20%, rgba(30,91,255,0.45) 0%, transparent 55%),
		linear-gradient(180deg, var(--profundo) 0%, rgba(15,32,66,0.6) 100%);
	border: 1px solid rgba(91, 140, 255, 0.25);
	overflow: hidden;
	text-align: center;
}
.cta-box__glow {
	position: absolute;
	inset: -40%;
	background: radial-gradient(circle at 50% 50%, rgba(91,140,255,0.18) 0%, transparent 55%);
	animation: breathe 6s var(--ease) infinite;
	pointer-events: none;
}
@keyframes breathe {
	0%, 100% { opacity: 0.55; }
	50%      { opacity: 1; }
}
.cta-box__title { margin-bottom: 1rem; }
.cta-box__lead  { margin: 0 auto 2rem; }

/* ---------- Footer ----------------------------------------------- */
.site-footer {
	border-top: 1px solid var(--linea);
	padding-block: 3rem 2rem;
	background: var(--noche);
}
.site-footer__inner {
	display: flex;
	flex-direction: column;
	gap: 1.5rem;
	align-items: flex-start;
}
@media (min-width: 720px) {
	.site-footer__inner {
		flex-direction: row;
		align-items: center;
		justify-content: space-between;
	}
}
.footer-nav__list {
	display: flex;
	flex-wrap: wrap;
	gap: 1.5rem;
}
.footer-nav__list a {
	font-size: 0.9rem;
	color: var(--niebla);
	transition: color .2s var(--ease);
}
.footer-nav__list a:hover { color: var(--blanco); }
.site-footer__note {
	font-size: 0.85rem;
	color: var(--niebla);
}

/* ---------- Reveal (scroll) -------------------------------------- */
[data-reveal] {
	opacity: 0;
	transform: translateY(24px);
	transition: opacity .8s var(--ease), transform .8s var(--ease);
	transition-delay: calc(var(--reveal-delay, 0) * 1ms);
}
[data-reveal].is-visible {
	opacity: 1;
	transform: none;
}

/* ---------- Reduced motion --------------------------------------- */
@media (prefers-reduced-motion: reduce) {
	*,
	*::before,
	*::after {
		animation-duration: 0.001ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.001ms !important;
	}
	[data-reveal] { opacity: 1; transform: none; }
	.signature__beam rect,
	.signature__rays .ray { transform: scaleX(1); opacity: 1; }
	.cta-box__glow { animation: none; opacity: 0.7; }
	.eyebrow__dot  { animation: none; }
}

/* ---------- Selección -------------------------------------------- */
::selection {
	background: rgba(30, 91, 255, 0.45);
	color: var(--blanco);
}