:root {
	--verde: #6aa32c;
	--verde-oscuro: #4e7a1e;
	--verde-muy-oscuro: #2e4514;
	--gris-oscuro: #333333;
	--gris-medio: #666666;
	--fondo-claro: #f7f9f2;
	--blanco: #ffffff;
	--borde: #e2e8d8;
	--sombra: 0 2px 12px rgba(46, 69, 20, 0.12);
	--radio: 8px;
	--ancho: 1140px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
	margin: 0;
	font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
	color: var(--gris-oscuro);
	line-height: 1.7;
	background: var(--blanco);
}

h1, h2, h3, h4 { line-height: 1.25; color: var(--verde-muy-oscuro); }
h1 { font-size: 2.2rem; }
h2 { font-size: 1.7rem; }
a { color: var(--verde-oscuro); }
a:hover { color: var(--verde); }
img { max-width: 100%; height: auto; border-radius: var(--radio); }

.container {
	max-width: var(--ancho);
	margin: 0 auto;
	padding: 0 20px;
}

.section { padding: 64px 0; }
.section-alt { background: var(--fondo-claro); }
.section-title { text-align: center; margin-bottom: 40px; }
.section-cta { text-align: center; margin-top: 36px; }

.screen-reader-text {
	position: absolute;
	width: 1px; height: 1px;
	overflow: hidden;
	clip: rect(1px, 1px, 1px, 1px);
}

/* ============ BOTONES ============ */
.btn {
	display: inline-block;
	padding: 13px 30px;
	border-radius: 50px;
	font-weight: 600;
	text-decoration: none;
	transition: all .25s ease;
	border: 2px solid transparent;
	cursor: pointer;
	font-size: 1rem;
}
.btn-primary {
	background: var(--verde);
	color: var(--blanco) !important;
}
.btn-primary:hover { background: var(--verde-oscuro); }
.btn-outline {
	border-color: var(--verde);
	color: var(--verde-oscuro) !important;
}
.btn-outline:hover { background: var(--verde); color: var(--blanco) !important; }
.btn-light { background: var(--blanco); color: var(--verde-oscuro) !important; }
.btn-light:hover { background: var(--fondo-claro); }

/* ============ HEADER ============ */
.site-header {
	position: sticky;
	top: 0;
	z-index: 100;
	background: var(--blanco);
	box-shadow: 0 1px 0 var(--borde);
}
.header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	min-height: 76px;
}
.site-title {
	font-size: 1.6rem;
	font-weight: 800;
	color: var(--verde);
	text-decoration: none;
	letter-spacing: -0.5px;
}
.site-title span { color: var(--verde-oscuro); }
.site-tagline {
	display: block;
	font-size: 0.65rem;
	letter-spacing: 2px;
	text-transform: uppercase;
	color: var(--gris-medio);
}

.main-navigation ul {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	gap: 4px;
}
.main-navigation a {
	display: block;
	padding: 10px 14px;
	text-decoration: none;
	color: var(--gris-oscuro);
	font-weight: 500;
	font-size: 0.95rem;
	border-radius: var(--radio);
}
.main-navigation a:hover { color: var(--verde-oscuro); background: var(--fondo-claro); }
.main-navigation li { position: relative; }
.main-navigation ul ul {
	position: absolute;
	top: 100%;
	left: 0;
	min-width: 230px;
	background: var(--blanco);
	box-shadow: var(--sombra);
	border-radius: var(--radio);
	flex-direction: column;
	opacity: 0;
	visibility: hidden;
	transition: opacity .2s ease;
	padding: 6px;
}
.main-navigation li:hover > ul,
.main-navigation li:focus-within > ul {
	opacity: 1;
	visibility: visible;
}
.main-navigation ul ul a { padding: 9px 12px; font-size: 0.9rem; }

.menu-toggle {
	display: none;
	background: none;
	border: none;
	cursor: pointer;
	padding: 10px;
}
.menu-toggle .bar {
	display: block;
	width: 24px;
	height: 3px;
	margin: 5px 0;
	background: var(--verde-oscuro);
	border-radius: 2px;
}

/* ============ HERO ============ */
.hero {
	background: linear-gradient(135deg, var(--fondo-claro) 0%, #eaf3dc 100%);
	padding: 96px 0;
	text-align: center;
}
.hero h1 { max-width: 820px; margin: 0 auto 20px; }
.hero-lead {
	max-width: 760px;
	margin: 0 auto 32px;
	font-size: 1.15rem;
	color: var(--gris-medio);
}
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ============ DOS COLUMNAS ============ */
.two-col {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 48px;
	align-items: start;
}

/* ============ PROYECTOS ============ */
.projects-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 28px;
}
.project-card {
	background: var(--blanco);
	border: 1px solid var(--borde);
	border-radius: var(--radio);
	overflow: hidden;
	box-shadow: var(--sombra);
	display: flex;
	flex-direction: column;
	transition: transform .25s ease, box-shadow .25s ease;
}
.project-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(46,69,20,.18); }
.project-thumb img, .project-thumb .thumb-placeholder { display: block; width: 100%; height: 220px; object-fit: cover; border-radius: 0; }
.thumb-placeholder { background: linear-gradient(135deg, #dfeccc, #c8dcb0); }
.project-body { padding: 22px; }
.project-body h3 { margin: 0 0 10px; font-size: 1.15rem; }
.project-body h3 a { text-decoration: none; color: var(--verde-muy-oscuro); }
.project-body p { margin: 0; font-size: 0.92rem; color: var(--gris-medio); }

.archive-hero {
	background: linear-gradient(135deg, var(--verde-muy-oscuro), var(--verde-oscuro));
	color: var(--blanco);
	padding: 72px 0;
}
.archive-hero h1 { color: var(--blanco); margin: 0 0 10px; }
.archive-hero p { margin: 0; opacity: .9; max-width: 680px; }

.proyecto-hero-img { margin-bottom: 28px; }
.proyecto-hero-img img { width: 100%; border-radius: var(--radio); }
.project-terms { margin: -8px 0 20px; }
.term-badge {
	display: inline-block;
	background: var(--fondo-claro);
	border: 1px solid var(--borde);
	color: var(--verde-oscuro);
	padding: 4px 12px;
	border-radius: 50px;
	font-size: 0.8rem;
	margin-right: 6px;
}
.post-nav {
	display: flex;
	justify-content: space-between;
	gap: 16px;
	margin-top: 48px;
	padding-top: 24px;
	border-top: 1px solid var(--borde);
}

/* ============ CTA BANDA ============ */
.cta-band {
	background: linear-gradient(135deg, var(--verde), var(--verde-oscuro));
	color: var(--blanco);
	text-align: center;
}
.cta-band h2 { color: var(--blanco); margin: 0 0 24px; }

/* ============ PÁGINAS / BLOG ============ */
.page-wrap { padding: 56px 20px 72px; max-width: 900px; }
.page-title { margin: 0 0 28px; }
.post-meta { color: var(--gris-medio); font-size: 0.88rem; margin-bottom: 18px; }
.post-list {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 28px;
}
.post-card {
	background: var(--blanco);
	border: 1px solid var(--borde);
	border-radius: var(--radio);
	padding: 24px;
	box-shadow: var(--sombra);
}
.post-card h2 { font-size: 1.25rem; margin: 12px 0 8px; }
.post-card h2 a { text-decoration: none; }
.post-thumb img { border-radius: var(--radio); }

.pagination, .nav-links { margin-top: 40px; }
.nav-links { display: flex; justify-content: center; gap: 8px; }
.page-numbers {
	display: inline-block;
	padding: 8px 14px;
	border: 1px solid var(--borde);
	border-radius: var(--radio);
	text-decoration: none;
}
.page-numbers.current { background: var(--verde); color: var(--blanco); border-color: var(--verde); }

/* ============ CONTACTO ============ */
.contact-grid {
	display: grid;
	grid-template-columns: 1fr 1.2fr;
	gap: 48px;
	margin-top: 12px;
}
.contact-form { background: var(--fondo-claro); padding: 30px; border-radius: var(--radio); }
.contact-form p { margin: 0 0 16px; }
.contact-form label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.92rem; }
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
	width: 100%;
	padding: 12px 14px;
	border: 1px solid var(--borde);
	border-radius: var(--radio);
	font-size: 1rem;
	font-family: inherit;
	background: var(--blanco);
}
.contact-form input:focus, .contact-form textarea:focus {
	outline: 2px solid var(--verde);
	border-color: var(--verde);
}
.hp-field { position: absolute; left: -9999px; height: 0; overflow: hidden; }
.form-notice { padding: 14px 18px; border-radius: var(--radio); margin-bottom: 20px; font-weight: 600; }
.form-ok { background: #e7f5dd; color: var(--verde-muy-oscuro); border: 1px solid var(--verde); }
.form-error { background: #fdeaea; color: #8c2b2b; border: 1px solid #d88; }

/* ============ FOOTER ============ */
.site-footer { background: var(--verde-muy-oscuro); color: #d9e4c8; margin-top: 0; }
.footer-grid {
	display: grid;
	grid-template-columns: 2fr 1.2fr 1fr;
	gap: 40px;
	padding: 56px 20px;
}
.site-footer .site-title { color: #a8cf6e; }
.site-footer .site-title span { color: var(--blanco); }
.site-footer h4 { color: var(--blanco); margin: 0 0 16px; font-size: 1rem; }
.site-footer a { color: #cfe3ae; }
.site-footer a:hover { color: var(--blanco); }
.site-footer address { font-style: normal; line-height: 1.8; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer ul li { margin-bottom: 8px; }
.footer-legal { border-top: 1px solid rgba(255,255,255,.15); padding: 18px 0; font-size: 0.85rem; }
.footer-legal p { margin: 0; opacity: .75; }

.notice {
	background: var(--fondo-claro);
	border: 1px dashed var(--verde);
	padding: 18px;
	border-radius: var(--radio);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
	.projects-grid { grid-template-columns: repeat(2, 1fr); }
	.two-col { grid-template-columns: 1fr; gap: 20px; }
	.contact-grid { grid-template-columns: 1fr; }
	.footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
	h1 { font-size: 1.7rem; }
	.hero { padding: 64px 0; }
	.projects-grid, .post-list { grid-template-columns: 1fr; }
	.footer-grid { grid-template-columns: 1fr; }

	.menu-toggle { display: block; }
	.main-navigation {
		position: absolute;
		top: 100%;
		left: 0; right: 0;
		background: var(--blanco);
		box-shadow: var(--sombra);
		display: none;
		max-height: 75vh;
		overflow-y: auto;
	}
	.main-navigation.toggled { display: block; }
	.main-navigation ul { flex-direction: column; padding: 10px; }
	.main-navigation ul ul {
		position: static;
		opacity: 1;
		visibility: visible;
		box-shadow: none;
		padding-left: 18px;
	}
	.header-inner { position: relative; }
}