/* =========================================================================
   GeoSolutions — Global Stylesheet
   Independent engineering / project-development advisory character.
   No gradients, no heavy shadows, no rounded SaaS cards, no decorative
   animation. Fine lines, generous whitespace, editorial hierarchy.
   ========================================================================= */

/* -------------------------------------------------------------------------
   1. Design tokens
   ------------------------------------------------------------------------- */
:root {
	/* Colors */
	--color-ink: #232C31;          /* dark charcoal — primary text, logo */
	--color-ink-soft: #4C5960;     /* secondary text */
	--color-ink-faint: #7A868C;    /* tertiary / meta text */
	--color-bg: #FBFAF6;           /* warm white background */
	--color-bg-alt: #F2F0E9;       /* warm-white alt section background */
	--color-surface: #FFFFFF;      /* card / panel surface */
	--color-line: #DEDACD;         /* fine divider lines */
	--color-line-strong: #C9C4B4;
	--color-green: #3C7A3D;        /* GeoSolutions accent green */
	--color-green-dark: #2E5F30;
	--color-teal: #2E6B70;         /* restrained secondary accent, sparing use */

	/* Type */
	--font-serif: Georgia, 'Iowan Old Style', 'Times New Roman', serif;
	--font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
	--font-heading: var(--font-serif);
	--font-body: var(--font-sans);

	/* Spacing scale */
	--space-xs: 0.5rem;
	--space-sm: 1rem;
	--space-md: 1.75rem;
	--space-lg: 3rem;
	--space-xl: 5rem;
	--space-2xl: 7.5rem;

	/* Layout */
	--container-width: 1200px;
	--container-pad: 1.5rem;
	--header-height: 84px;

	/* Motion — kept minimal/functional only */
	--transition-fast: 150ms ease;
	--transition-base: 220ms ease;
}

/* -------------------------------------------------------------------------
   2. Reset
   ------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
	-webkit-text-size-adjust: 100%;
	scroll-behavior: smooth;
}

body {
	margin: 0;
	background: var(--color-bg);
	color: var(--color-ink);
	font-family: var(--font-body);
	font-size: 17px;
	line-height: 1.65;
	-webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
figure { margin: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { padding: 0; margin: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; font-size: 1rem; }

/* -------------------------------------------------------------------------
   3. Typography
   ------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
	font-family: var(--font-heading);
	font-weight: 400;
	color: var(--color-ink);
	line-height: 1.15;
	margin: 0 0 var(--space-sm);
	letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.1rem, 4.4vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.55rem); }
h4 { font-size: 1.15rem; }

p { margin: 0 0 var(--space-sm); }
p:last-child { margin-bottom: 0; }

.lede {
	font-size: clamp(1.05rem, 1.6vw, 1.25rem);
	color: var(--color-ink-soft);
	max-width: 640px;
}

.eyebrow {
	display: inline-block;
	font-family: var(--font-sans);
	font-size: 0.78rem;
	font-weight: 600;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--color-green);
	margin-bottom: var(--space-xs);
}

.section-heading {
	max-width: 760px;
	margin-bottom: var(--space-lg);
}

.section-heading--center {
	margin-left: auto;
	margin-right: auto;
	text-align: center;
}

/* -------------------------------------------------------------------------
   4. Layout helpers
   ------------------------------------------------------------------------- */
.container {
	width: 100%;
	max-width: var(--container-width);
	margin-left: auto;
	margin-right: auto;
	padding-left: var(--container-pad);
	padding-right: var(--container-pad);
}

.section {
	padding-top: var(--space-2xl);
	padding-bottom: var(--space-2xl);
}

.section--tight { padding-top: var(--space-xl); padding-bottom: var(--space-xl); }
.section--alt { background: var(--color-bg-alt); }
.section--ink { background: var(--color-ink); color: #EDEBE3; }
.section--ink h1, .section--ink h2, .section--ink h3 { color: #FFFFFF; }
.section--ink .lede { color: #C7CDC7; }

.divider {
	border: none;
	border-top: 1px solid var(--color-line);
	margin: 0;
}

.skip-link {
	position: absolute;
	left: -9999px;
	top: 0;
	background: var(--color-ink);
	color: #fff;
	padding: 0.75rem 1.25rem;
	z-index: 1000;
}
.skip-link:focus {
	left: var(--space-sm);
	top: var(--space-sm);
}

/* -------------------------------------------------------------------------
   5. Buttons
   ------------------------------------------------------------------------- */
.btn {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	padding: 0.9rem 1.75rem;
	min-height: 48px;
	font-family: var(--font-sans);
	font-size: 0.95rem;
	font-weight: 600;
	letter-spacing: 0.01em;
	border: 1px solid transparent;
	transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
	white-space: nowrap;
}

.btn-primary {
	background: var(--color-green);
	color: #fff;
	border-color: var(--color-green);
}
.btn-primary:hover, .btn-primary:focus-visible {
	background: var(--color-green-dark);
	border-color: var(--color-green-dark);
}

.btn-outline {
	background: transparent;
	color: var(--color-ink);
	border-color: var(--color-ink-faint);
}
.btn-outline:hover, .btn-outline:focus-visible {
	border-color: var(--color-ink);
	background: var(--color-ink);
	color: #fff;
}

.section--ink .btn-outline {
	color: #fff;
	border-color: rgba(255,255,255,0.4);
}
.section--ink .btn-outline:hover {
	background: #fff;
	color: var(--color-ink);
	border-color: #fff;
}

.btn-link {
	background: none;
	border: none;
	padding: 0;
	min-height: 0;
	color: var(--color-green);
	font-weight: 600;
	border-bottom: 1px solid currentColor;
	border-radius: 0;
}
.btn-link:hover { color: var(--color-green-dark); }

.cta-group {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-sm);
	margin-top: var(--space-md);
}

/* -------------------------------------------------------------------------
   6. Site header / navigation
   ------------------------------------------------------------------------- */
.site-header {
	position: sticky;
	top: 0;
	left: 0;
	right: 0;
	z-index: 500;
	background: rgba(251, 250, 246, 0.94);
	backdrop-filter: saturate(140%) blur(6px);
	border-bottom: 1px solid var(--color-line);
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	min-height: var(--header-height);
}

.site-logo {
	display: flex;
	align-items: center;
	font-family: var(--font-heading);
	font-size: 1.4rem;
	color: var(--color-ink);
}

.site-logo img {
	max-height: 44px;
	width: auto;
}

.site-logo__text {
	font-family: var(--font-heading);
	font-size: 1.35rem;
	letter-spacing: -0.01em;
}

.nav-primary {
	display: flex;
	align-items: center;
	gap: var(--space-lg);
}

.nav-menu {
	display: flex;
	align-items: center;
	gap: var(--space-md);
}

.nav-menu__link,
.nav-menu a {
	font-family: var(--font-sans);
	font-size: 0.95rem;
	font-weight: 500;
	color: var(--color-ink-soft);
	padding: 0.5rem 0.1rem;
	border-bottom: 2px solid transparent;
	transition: color var(--transition-fast), border-color var(--transition-fast);
}

.nav-menu__link:hover,
.nav-menu a:hover,
.nav-menu .current-menu-item > a,
.nav-menu .current_page_item > a {
	color: var(--color-ink);
	border-bottom-color: var(--color-green);
}

.menu-toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	gap: 5px;
	width: 44px;
	height: 44px;
	background: transparent;
	border: 1px solid var(--color-line-strong);
}

.menu-toggle__bar {
	width: 20px;
	height: 2px;
	background: var(--color-ink);
	transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(1) {
	transform: translateY(7px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(2) {
	opacity: 0;
}
.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(3) {
	transform: translateY(-7px) rotate(-45deg);
}

/* -------------------------------------------------------------------------
   7. Hero
   ------------------------------------------------------------------------- */
.hero {
	padding-top: var(--space-2xl);
	padding-bottom: var(--space-2xl);
	border-bottom: 1px solid var(--color-line);
}

.hero__inner {
	max-width: 860px;
}

.hero h1 {
	margin-bottom: var(--space-md);
}

.hero--page {
	padding-top: var(--space-xl);
	padding-bottom: var(--space-xl);
}

/* -------------------------------------------------------------------------
   8. Grids: solutions, values, projects, leadership
   ------------------------------------------------------------------------- */
.grid {
	display: grid;
	gap: var(--space-lg) var(--space-md);
}

.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.solution-card {
	border-top: 2px solid var(--color-green);
	padding-top: var(--space-md);
}

.solution-card__index {
	font-family: var(--font-sans);
	font-size: 0.8rem;
	color: var(--color-ink-faint);
	letter-spacing: 0.08em;
}

.solution-card h3 {
	margin-top: var(--space-xs);
	margin-bottom: var(--space-xs);
}

.solution-card p {
	color: var(--color-ink-soft);
}

.value-stage {
	position: relative;
	padding-left: var(--space-md);
	border-left: 1px solid var(--color-line);
}

.value-stage__number {
	font-family: var(--font-heading);
	font-size: 1.6rem;
	color: var(--color-green);
	display: block;
	margin-bottom: var(--space-xs);
}

.value-stage h3 {
	margin-bottom: var(--space-xs);
}

.value-stage p {
	color: var(--color-ink-soft);
	font-size: 0.98rem;
}

/* Project cards */
.project-card {
	background: var(--color-surface);
	border: 1px solid var(--color-line);
	display: flex;
	flex-direction: column;
	height: 100%;
}

.project-card__media {
	aspect-ratio: 4 / 3;
	overflow: hidden;
	background: var(--color-bg-alt);
	border-bottom: 1px solid var(--color-line);
}

.project-card__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.project-card__body {
	padding: var(--space-md);
	display: flex;
	flex-direction: column;
	gap: 0.6rem;
	flex-grow: 1;
}

.project-card__category {
	font-size: 0.75rem;
	font-weight: 600;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--color-green);
}

.project-card h3 {
	font-size: 1.2rem;
	margin: 0;
}

.project-card p {
	color: var(--color-ink-soft);
	font-size: 0.95rem;
}

.project-card__meta {
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem 0.9rem;
	font-size: 0.82rem;
	color: var(--color-ink-faint);
	border-top: 1px solid var(--color-line);
	padding-top: 0.6rem;
	margin-top: auto;
}

.project-card__meta span strong {
	color: var(--color-ink-soft);
	font-weight: 600;
}

.status-badge {
	display: inline-block;
	font-size: 0.72rem;
	font-weight: 600;
	letter-spacing: 0.04em;
	padding: 0.15rem 0.55rem;
	border: 1px solid var(--color-line-strong);
	color: var(--color-ink-soft);
}

.status-badge--completed { border-color: var(--color-green); color: var(--color-green-dark); }
.status-badge--ongoing { border-color: var(--color-teal); color: var(--color-teal); }

/* Project category filter (Projects page) */
.filter-nav {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-md);
	margin-bottom: var(--space-lg);
	border-bottom: 1px solid var(--color-line);
	padding-bottom: var(--space-sm);
}

.filter-nav__link {
	display: inline-block;
	font-size: 0.9rem;
	font-weight: 500;
	color: var(--color-ink-soft);
	padding: 0.4rem 0.1rem;
	border-bottom: 2px solid transparent;
	transition: color var(--transition-fast), border-color var(--transition-fast);
}

.filter-nav__link:hover,
.filter-nav__link.is-active {
	color: var(--color-ink);
	border-bottom-color: var(--color-green);
}

/* Leadership */
.team-card {
	display: flex;
	flex-direction: column;
	gap: var(--space-xs);
}

.team-card__photo {
	aspect-ratio: 1 / 1;
	background: var(--color-bg-alt);
	overflow: hidden;
	margin-bottom: var(--space-xs);
	border: 1px solid var(--color-line);
}

.team-card__photo img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.team-card__role {
	font-size: 0.85rem;
	color: var(--color-green-dark);
	font-weight: 600;
}

.team-card__bio {
	color: var(--color-ink-soft);
	font-size: 0.95rem;
}

/* Differentiators (About page) */
.differentiator {
	border-top: 1px solid var(--color-line);
	padding-top: var(--space-sm);
}

.differentiator h3 { font-size: 1.1rem; }
.differentiator p { color: var(--color-ink-soft); font-size: 0.95rem; }

/* -------------------------------------------------------------------------
   9. Solutions page long-scroll sections
   ------------------------------------------------------------------------- */
.solution-block {
	padding-top: var(--space-2xl);
	padding-bottom: var(--space-2xl);
	border-bottom: 1px solid var(--color-line);
}

.solution-block:last-of-type { border-bottom: none; }

.solution-block__header {
	max-width: 760px;
	margin-bottom: var(--space-lg);
}

.capability-list {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: var(--space-sm) var(--space-lg);
	margin-bottom: var(--space-lg);
}

.capability-list li {
	position: relative;
	padding-left: 1.4rem;
	color: var(--color-ink-soft);
	border-top: 1px solid var(--color-line);
	padding-top: 0.75rem;
}

.capability-list li::before {
	content: "";
	position: absolute;
	left: 0;
	top: 1.05rem;
	width: 8px;
	height: 1px;
	background: var(--color-green);
}

/* -------------------------------------------------------------------------
   10. CTA band
   ------------------------------------------------------------------------- */
.cta-band {
	text-align: center;
	padding-top: var(--space-xl);
	padding-bottom: var(--space-xl);
}

.cta-band h2 {
	max-width: 620px;
	margin-left: auto;
	margin-right: auto;
}

.cta-band .cta-group {
	justify-content: center;
}

/* -------------------------------------------------------------------------
   11. Forms / Contact
   ------------------------------------------------------------------------- */
.contact-grid {
	display: grid;
	grid-template-columns: 0.85fr 1.15fr;
	gap: var(--space-xl);
}

.contact-details dl {
	margin: 0;
}

.contact-details dt {
	font-size: 0.78rem;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--color-ink-faint);
	margin-top: var(--space-md);
}

.contact-details dt:first-child { margin-top: 0; }

.contact-details dd {
	margin: 0.25rem 0 0;
	font-size: 1.05rem;
	color: var(--color-ink);
}

.contact-details a:hover { color: var(--color-green); }

.contact-form-panel {
	background: var(--color-surface);
	border: 1px solid var(--color-line);
	padding: var(--space-lg);
}

.contact-form-placeholder {
	border: 1px dashed var(--color-line-strong);
	padding: var(--space-lg);
	color: var(--color-ink-faint);
	font-size: 0.92rem;
	text-align: center;
}

.form-row {
	margin-bottom: var(--space-sm);
}

.form-row label {
	display: block;
	font-size: 0.85rem;
	font-weight: 600;
	margin-bottom: 0.35rem;
}

.form-row input,
.form-row textarea {
	width: 100%;
	padding: 0.75rem;
	border: 1px solid var(--color-line-strong);
	background: var(--color-bg);
	color: var(--color-ink);
}

.form-row input:focus,
.form-row textarea:focus {
	outline: 2px solid var(--color-green);
	outline-offset: 1px;
}

/* -------------------------------------------------------------------------
   12. Footer
   ------------------------------------------------------------------------- */
.site-footer {
	background: var(--color-ink);
	color: #C7CDC7;
	padding-top: var(--space-xl);
	padding-bottom: var(--space-md);
}

.site-footer a { color: #EDEBE3; }
.site-footer a:hover { color: var(--color-green); text-decoration: none; }

.footer-grid {
	display: grid;
	grid-template-columns: 1.4fr 1fr 1fr;
	gap: var(--space-lg);
	padding-bottom: var(--space-lg);
	border-bottom: 1px solid rgba(255,255,255,0.12);
}

.footer-brand__name {
	font-family: var(--font-heading);
	font-size: 1.3rem;
	color: #fff;
	margin-bottom: 0.4rem;
}

.footer-brand__tagline {
	font-size: 0.9rem;
	color: #9CA6A0;
	max-width: 320px;
}

.footer-widget__title,
.footer-col__title {
	font-size: 0.78rem;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: #9CA6A0;
	margin-bottom: var(--space-sm);
}

.footer-col ul li {
	margin-bottom: 0.6rem;
	font-size: 0.95rem;
}

.footer-bottom {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	gap: var(--space-xs);
	padding-top: var(--space-md);
	font-size: 0.85rem;
	color: #838E88;
}

/* -------------------------------------------------------------------------
   13. Misc: 404, pagination, comments (minimal)
   ------------------------------------------------------------------------- */
.error-404 {
	text-align: center;
	padding: var(--space-2xl) 0;
}

.pagination {
	display: flex;
	justify-content: center;
	gap: var(--space-sm);
	margin-top: var(--space-lg);
}

.pagination .page-numbers {
	padding: 0.5rem 0.9rem;
	border: 1px solid var(--color-line);
	color: var(--color-ink-soft);
}

.pagination .page-numbers.current {
	border-color: var(--color-green);
	color: var(--color-green-dark);
}

.empty-state {
	color: var(--color-ink-faint);
	padding: var(--space-lg) 0;
}

/* -------------------------------------------------------------------------
   14. Responsive breakpoints
   ------------------------------------------------------------------------- */

/* Laptop / small desktop */
@media (max-width: 1199px) {
	:root { --container-pad: 1.5rem; }
	.grid--4 { grid-template-columns: repeat(2, 1fr); }
}

/* Tablet */
@media (max-width: 991px) {
	.grid--3 { grid-template-columns: repeat(2, 1fr); }
	.footer-grid { grid-template-columns: 1fr 1fr; }
	.contact-grid { grid-template-columns: 1fr; gap: var(--space-lg); }
	.capability-list { grid-template-columns: 1fr; }
}

/* Small tablet / large mobile — stack two-column text layouts (About
   "Who We Are", single-project detail + meta sidebar) before they cramp. */
@media (max-width: 767px) {
	.grid--2 { grid-template-columns: 1fr; }
}

/* Mobile nav breakpoint */
@media (max-width: 860px) {
	.menu-toggle { display: inline-flex; }

	.nav-primary { gap: var(--space-sm); }

	.nav-menu {
		position: fixed;
		top: var(--header-height);
		left: 0;
		right: 0;
		bottom: 0;
		flex-direction: column;
		align-items: flex-start;
		gap: 0;
		background: var(--color-bg);
		padding: var(--space-sm) var(--container-pad) var(--space-lg);
		transform: translateY(-8px);
		opacity: 0;
		visibility: hidden;
		pointer-events: none;
		transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
		overflow-y: auto;
	}

	.nav-menu.is-open {
		opacity: 1;
		transform: translateY(0);
		visibility: visible;
		pointer-events: auto;
	}

	.nav-menu__item,
	.nav-menu li {
		width: 100%;
		border-bottom: 1px solid var(--color-line);
	}

	.nav-menu__link,
	.nav-menu a {
		display: block;
		padding: 1rem 0.1rem;
		font-size: 1.05rem;
	}
}

/* Mobile */
@media (max-width: 599px) {
	body { font-size: 16px; }
	:root { --space-2xl: 4rem; --space-xl: 3rem; --header-height: 72px; }

	.grid--4, .grid--3, .grid--2 { grid-template-columns: 1fr; }
	.footer-grid { grid-template-columns: 1fr; gap: var(--space-md); }

	.btn { width: 100%; justify-content: center; }
	.cta-group { flex-direction: column; align-items: stretch; }
	.cta-band .cta-group { align-items: stretch; }

	.site-logo img { max-height: 34px; }
}