/* Spindel — landing */

:root {
	--bg: #f4f2ee;
	--bg-fallback: linear-gradient(168deg, #f8f6f2 0%, #f0eeea 42%, #e9e7e3 100%);
	--text: #2a2d32;
	--text-muted: #6b7078;
	--accent: #3d6b8c;
	--accent-soft: rgba(61, 107, 140, 0.35);
	--line: rgba(61, 107, 140, 0.14);
	--panel-bg: rgba(255, 255, 255, 0.78);
	--panel-border: rgba(42, 45, 50, 0.07);
	--font: "DM Sans", system-ui, -apple-system, sans-serif;
	--ease: cubic-bezier(0.22, 1, 0.36, 1);
	--brand-cyan: #00a4c7;
	--brand-green: #80cc28;
	--brand-orange: #f1511b;
	--brand-yellow: #fbbc09;
	--brand-green-soft: rgba(128, 204, 40, 0.38);
	--spindel-error: var(--brand-orange);
	--spindel-error-soft: rgba(241, 81, 27, 0.12);
	--spindel-field-invalid: rgba(22, 26, 29, 0.28);
	--spindel-field-invalid-soft: rgba(22, 26, 29, 0.07);
}

*,
*::before,
*::after {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

html {
	height: 100%;
	-webkit-text-size-adjust: 100%;
}

body.landing {
	min-height: 100%;
	height: 100%;
	overflow: hidden;
	font-family: var(--font);
	font-size: 16px;
	font-weight: 400;
	color: var(--text);
	background: var(--bg);
	background: var(--bg-fallback);
	-webkit-font-smoothing: antialiased;
}

.landing-main {
	display: block;
	min-height: 100%;
}

/* Shell 100vh */
.landing-shell {
	position: relative;
	width: 100%;
	min-height: 100vh;
	min-height: 100dvh;
	overflow: hidden;
}

/* Composición — bloque central de marca */
.landing-hero {
	position: relative;
	z-index: 1;
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: 100vh;
	min-height: 100dvh;
	padding: clamp(1.25rem, 4vw, 2rem);
	isolation: isolate;
	overflow: hidden;
}

.brand-lockup {
	position: relative;
	z-index: 10;
	width: min(88vw, 980px);
	display: flex;
	flex-direction: column;
	align-items: stretch;
	justify-content: center;
	text-align: center;
}

.landing-brand {
	position: relative;
	z-index: 2;
	display: block;
	margin: 0;
	text-decoration: none;
	opacity: 0;
	transform: translateY(14px);
	animation: landing-rise 1s var(--ease) 0.12s forwards;
}

.spindel-wordmark {
	display: inline-flex;
	flex-wrap: nowrap;
	justify-content: center;
	font-family: "Archivo Black", sans-serif;
	font-size: clamp(4.5rem, 15vw, 13rem);
	font-weight: 400;
	line-height: 0.82;
	letter-spacing: -0.055em;
	text-transform: uppercase;
	text-shadow: none;
	white-space: nowrap;
}

.wm-char {
	display: inline-block;
}

.wm-char:nth-child(4n + 1) {
	color: var(--brand-cyan);
}

.wm-char:nth-child(4n + 2) {
	color: var(--brand-green);
}

.wm-char:nth-child(4n + 3) {
	color: var(--brand-orange);
}

.wm-char:nth-child(4n + 4) {
	color: var(--brand-yellow);
}

.brand-tagline {
	margin: 20px 0 0;
	width: 100%;
	font-family: "Archivo Black", sans-serif;
	font-size: clamp(0.9rem, 1.8vw, 1.45rem);
	font-weight: 400;
	line-height: 1;
	letter-spacing: -0.02em;
	color: rgba(22, 26, 29, 0.52);
	text-align: center;
	text-transform: uppercase;
	white-space: nowrap;
	opacity: 0;
	transform: translateY(8px);
	animation: landing-rise 1.05s var(--ease) 0.32s forwards;
}

.brand-tagline-line {
	display: inline;
}

.landing-404-message {
	margin: 20px 0 0;
	width: 100%;
	font-family: "Archivo Black", sans-serif;
	font-size: clamp(0.85rem, 1.6vw, 1.25rem);
	font-weight: 400;
	line-height: 1.2;
	letter-spacing: -0.02em;
	color: rgba(22, 26, 29, 0.48);
	text-align: center;
	text-transform: uppercase;
	opacity: 0;
	transform: translateY(8px);
	animation: landing-rise 1.05s var(--ease) 0.32s forwards;
}

.landing-404-link {
	display: inline-block;
	margin: 1.25rem auto 0;
	font-size: 0.82rem;
	font-weight: 400;
	letter-spacing: 0.02em;
	color: rgba(22, 26, 29, 0.42);
	text-decoration: none;
	opacity: 0;
	transform: translateY(6px);
	animation: landing-rise 1s var(--ease) 0.48s forwards;
	transition: color 180ms ease;
}

.landing-404-link:hover,
.landing-404-link:focus-visible {
	color: rgba(22, 26, 29, 0.78);
	outline: none;
}

@keyframes landing-rise {
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

/* Contacto — acceso icónico */
a.signal-trigger--icon {
	text-decoration: none;
}

.signal-trigger--icon {
	position: fixed;
	right: clamp(1.1rem, 2.4vw, 2rem);
	bottom: clamp(1.1rem, 2.4vw, 2rem);
	z-index: 40;
	width: 44px;
	height: 44px;
	border-radius: 999px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0;
	border: 1px solid rgba(22, 26, 29, 0.16);
	font-family: "Archivo Black", sans-serif;
	font-size: 1rem;
	line-height: 1;
	color: rgba(22, 26, 29, 0.62);
	background: rgba(244, 242, 238, 0.52);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
	cursor: pointer;
	transition:
		transform 180ms ease,
		color 180ms ease,
		border-color 180ms ease,
		background 180ms ease;
}

.signal-trigger--icon:hover,
.signal-trigger--icon:focus-visible {
	transform: translateY(-2px);
	color: rgba(22, 26, 29, 0.9);
	border-color: rgba(22, 26, 29, 0.32);
	background: rgba(244, 242, 238, 0.78);
	outline: none;
}

.signal-trigger--icon:focus-visible {
	box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px rgba(22, 26, 29, 0.12);
}

.signal-trigger--icon::after {
	content: "Hablemos";
	position: absolute;
	right: calc(100% + 10px);
	top: 50%;
	transform: translateY(-50%);
	font-family: var(--font);
	font-size: 0.72rem;
	letter-spacing: 0.02em;
	color: rgba(22, 26, 29, 0.45);
	white-space: nowrap;
	opacity: 0;
	pointer-events: none;
	transition: opacity 180ms ease, transform 180ms ease;
}

.signal-trigger--icon:hover::after,
.signal-trigger--icon:focus-visible::after {
	opacity: 1;
	transform: translateY(-50%) translateX(-2px);
}

/* Modal */
.signal-overlay {
	position: fixed;
	inset: 0;
	z-index: 100;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 1.25rem;
	background: rgba(244, 242, 238, 0.6);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.35s var(--ease), visibility 0.35s;
}

.signal-overlay.is-open {
	opacity: 1;
	visibility: visible;
}

.signal-panel {
	position: relative;
	width: 100%;
	max-width: 22rem;
	padding: 1.85rem 1.5rem 1.5rem;
	background: var(--panel-bg);
	border: 1px solid var(--panel-border);
	border-radius: 3px;
	box-shadow: 0 16px 48px rgba(42, 45, 50, 0.07);
	transform: translateY(10px) scale(0.98);
	opacity: 0;
	transition: transform 0.4s var(--ease), opacity 0.4s var(--ease);
}

.signal-overlay.is-open .signal-panel {
	transform: translateY(0) scale(1);
	opacity: 1;
}

.signal-close {
	position: absolute;
	top: 0.65rem;
	right: 0.65rem;
	width: 2rem;
	height: 2rem;
	border: none;
	background: transparent;
	font-size: 1.25rem;
	line-height: 1;
	color: var(--text-muted);
	cursor: pointer;
	border-radius: 2px;
	transition: color 0.2s ease;
}

.signal-close:hover,
.signal-close:focus-visible {
	color: var(--text);
	outline: none;
}

.signal-panel-title {
	margin-bottom: 0.35rem;
	font-size: 0.88rem;
	font-weight: 500;
	letter-spacing: 0.06em;
	color: var(--text);
}

.signal-intro {
	margin-bottom: 1.2rem;
	font-size: 0.8rem;
	font-weight: 400;
	line-height: 1.5;
	color: var(--text-muted);
}

.signal-form label {
	display: block;
	margin-bottom: 0.35rem;
	font-size: 0.72rem;
	font-weight: 500;
	letter-spacing: 0.04em;
	color: var(--text-muted);
}

.signal-form label + input,
.signal-form label + textarea {
	margin-bottom: 1.05rem;
}

.signal-form input:not([type="hidden"]),
.signal-form textarea {
	width: 100%;
	padding: 0.65rem 0.55rem;
	border: 1px solid var(--line);
	border-radius: 2px;
	background: transparent;
	font-family: var(--font);
	font-size: 0.9rem;
	color: var(--text);
	resize: vertical;
	transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.signal-form input:not([type="hidden"]) {
	resize: none;
}

.signal-form input::placeholder,
.signal-form textarea::placeholder {
	color: rgba(107, 112, 120, 0.5);
}

.signal-form input:not([type="hidden"]):focus,
.signal-form textarea:focus {
	outline: none;
	border-color: var(--accent);
}

.signal-form textarea {
	min-height: 4.25rem;
}

.signal-submit {
	display: block;
	width: 100%;
	margin-top: 0.2rem;
	padding: 0.68rem 1rem;
	border: 1px solid var(--brand-green);
	border-radius: 2px;
	background: var(--brand-green);
	font-family: var(--font);
	font-size: 0.8rem;
	font-weight: 500;
	letter-spacing: 0.03em;
	color: #fff;
	cursor: pointer;
	transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease, opacity 0.2s ease;
}

.signal-submit:hover:not(:disabled),
.signal-submit:focus-visible:not(:disabled) {
	background: var(--brand-yellow);
	border-color: var(--brand-yellow);
	color: #161a1d;
	outline: none;
}

.signal-submit:disabled {
	opacity: 0.55;
	cursor: wait;
}

.signal-feedback {
	margin-top: 0.8rem;
	font-size: 0.76rem;
	line-height: 1.45;
	color: var(--accent);
	min-height: 1.2em;
}

.signal-feedback.is-error {
	color: var(--spindel-error);
}

.signal-form input.is-error,
.signal-form textarea.is-error,
.signal-form input[aria-invalid="true"],
.signal-form textarea[aria-invalid="true"] {
	border-color: var(--spindel-field-invalid);
	box-shadow: 0 0 0 3px var(--spindel-field-invalid-soft);
}

.signal-form input.is-error:focus,
.signal-form textarea.is-error:focus,
.signal-form input[aria-invalid="true"]:focus,
.signal-form textarea[aria-invalid="true"]:focus {
	border-color: var(--spindel-field-invalid);
	box-shadow: 0 0 0 3px var(--spindel-field-invalid-soft);
}

.signal-honeypot {
	position: absolute;
	left: -9999px;
	width: 1px;
	height: 1px;
	overflow: hidden;
	opacity: 0;
	pointer-events: none;
}

/* Tablet */
@media (max-width: 640px) {
	.spindel-wordmark {
		font-size: clamp(3.2rem, 18vw, 5.5rem);
		letter-spacing: -0.055em;
		white-space: normal;
	}

	.brand-tagline,
	.landing-404-message {
		margin: 20px 0 0;
		padding-left: 1rem;
		padding-right: 1rem;
		font-size: clamp(0.58rem, 2.7vw, 0.82rem);
		line-height: 1.15;
		letter-spacing: -0.015em;
		white-space: normal;
	}

	.brand-tagline-line {
		display: block;
	}

	.signal-trigger--icon {
		width: 42px;
		height: 42px;
		right: 1rem;
		bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
	}

	.signal-trigger--icon::after {
		display: none;
	}
}

@media (prefers-reduced-motion: reduce) {
	.landing-brand,
	.brand-tagline,
	.landing-404-message,
	.landing-404-link {
		animation: none;
		opacity: 1;
		transform: none;
	}
}