/**
 * ERKE Green Academy - design system.
 *
 * Mobile first. Single accent family (deep green) on a warm neutral ground.
 * No preprocessor, no build step: plain CSS custom properties only.
 */

/* -------------------------------------------------------------------------
 * 1. Tokens
 * ---------------------------------------------------------------------- */

:root {
	/* Brand */
	/* Brand ramp: anthracite from the ERKE logo (token names kept for stability). */
	--erke-green: #2e2a2b;
	--erke-green-deep: #211e1f;
	--erke-green-dark: #191617;
	--erke-green-soft: #edece7;
	--erke-green-tint: #f5f4ef;
	--erke-accent: #dedc0d; /* brand lime from the ERKE logo */
	--erke-accent-deep: #c6c40b;
	--erke-ink: #2e2a2b; /* anthracite from the ERKE logo */

	/* Neutrals - warm, not blue-grey */
	--erke-bg: #faf8f4;
	--erke-surface: #ffffff;
	--erke-surface-alt: #f4f1ea;
	--erke-border: #e4dfd4;
	--erke-border-strong: #d4cdbd;

	/* Text */
	--erke-text: #1c211e;
	--erke-text-muted: #5c635e;
	--erke-text-faint: #868d88;
	--erke-on-dark: #f3f7f4;

	/* Type */
	--erke-font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	--erke-fs-hero: clamp(2.25rem, 1.35rem + 3.9vw, 4.15rem);
	--erke-fs-h2: clamp(1.75rem, 1.25rem + 2.1vw, 2.75rem);
	--erke-fs-h3: clamp(1.2rem, 1.05rem + 0.6vw, 1.45rem);
	--erke-fs-lead: clamp(1.03rem, 0.96rem + 0.36vw, 1.24rem);

	/* Space */
	--erke-shell: 1200px;
	--erke-gutter: clamp(1.15rem, 0.6rem + 2.4vw, 2.5rem);
	--erke-section-y: clamp(4rem, 2.4rem + 6.4vw, 7.5rem);

	/* Shape */
	--erke-radius: 16px;
	--erke-radius-sm: 10px;
	--erke-radius-pill: 999px;
	--erke-header-h: 74px;

	/* Elevation */
	--erke-shadow-sm: 0 1px 2px rgba(18, 80, 55, 0.05), 0 2px 8px rgba(18, 80, 55, 0.04);
	--erke-shadow-md: 0 12px 28px -12px rgba(18, 80, 55, 0.22), 0 4px 10px -4px rgba(18, 80, 55, 0.1);
	--erke-shadow-lg: 0 28px 60px -24px rgba(13, 54, 38, 0.35);

	/* Motion */
	--erke-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
	--erke-speed: 0.28s;
}

/* -------------------------------------------------------------------------
 * 2. Base
 * ---------------------------------------------------------------------- */

html {
	-webkit-text-size-adjust: 100%;
	scroll-behavior: smooth;
	/* Keeps anchored sections clear of the sticky header. */
	scroll-padding-top: calc(var(--erke-header-h) + 16px);
}

body {
	background-color: var(--erke-bg);
	color: var(--erke-text);
	font-family: var(--erke-font);
	font-size: 1rem;
	line-height: 1.68;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	overflow-wrap: break-word;
}

h1,
h2,
h3,
h4,
h5,
h6 {
	color: var(--erke-green-dark);
	font-weight: 650;
	letter-spacing: -0.02em;
	line-height: 1.16;
	margin: 0 0 0.6em;
	text-wrap: balance;
}

p,
ul,
ol,
blockquote,
figure,
table,
pre {
	margin: 0 0 1.25em;
}

a {
	color: var(--erke-green);
	text-decoration-color: color-mix(in srgb, var(--erke-green) 35%, transparent);
	text-underline-offset: 0.18em;
	transition: color var(--erke-speed) var(--erke-ease);
}

a:hover,
a:focus-visible {
	color: var(--erke-green-deep);
}

img,
svg,
video,
iframe {
	max-width: 100%;
	height: auto;
	display: block;
}

:focus-visible {
	outline: 3px solid var(--erke-green);
	outline-offset: 3px;
	border-radius: 4px;
}

hr {
	border: 0;
	border-top: 1px solid var(--erke-border);
	margin: 2.5rem 0;
}

blockquote {
	border-left: 3px solid var(--erke-green);
	margin-left: 0;
	padding: 0.25rem 0 0.25rem 1.4rem;
	color: var(--erke-text-muted);
	font-size: 1.08em;
}

table {
	border-collapse: collapse;
	width: 100%;
}

th,
td {
	border: 1px solid var(--erke-border);
	padding: 0.6rem 0.8rem;
	text-align: left;
}

code,
pre {
	font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
	font-size: 0.92em;
}

pre {
	background: var(--erke-surface-alt);
	border-radius: var(--erke-radius-sm);
	overflow-x: auto;
	padding: 1rem 1.2rem;
}

/* -------------------------------------------------------------------------
 * 3. Layout helpers
 * ---------------------------------------------------------------------- */

.erke-shell {
	width: 100%;
	max-width: var(--erke-shell);
	margin-inline: auto;
	padding-inline: var(--erke-gutter);
}

.erke-shell--narrow {
	max-width: 780px;
}

.erke-section {
	padding-block: var(--erke-section-y);
	position: relative;
}

.erke-section--tint {
	background: var(--erke-green-tint);
	border-block: 1px solid var(--erke-border);
}

.erke-section--surface {
	background: var(--erke-surface);
	border-block: 1px solid var(--erke-border);
}

/* Neutralise double borders when two same-coloured sections stack. */
.erke-section--tint + .erke-section--tint,
.erke-section--surface + .erke-section--surface {
	border-top: 0;
}

.erke-section__head {
	max-width: 760px;
	margin-bottom: clamp(2rem, 1.3rem + 2.6vw, 3.25rem);
}

.erke-section__head--center {
	margin-inline: auto;
	text-align: center;
}

.erke-eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 0.55rem;
	font-size: 0.76rem;
	font-weight: 650;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--erke-green);
	margin: 0 0 0.9rem;
}

.erke-eyebrow::before {
	content: "";
	width: 26px;
	height: 2px;
	background: var(--erke-accent);
	border-radius: 2px;
}

.erke-section__head--center .erke-eyebrow::before {
	display: none;
}

.erke-section__title {
	font-size: var(--erke-fs-h2);
	margin-bottom: 0.5rem;
}

.erke-section__intro {
	color: var(--erke-text-muted);
	font-size: var(--erke-fs-lead);
	margin-bottom: 0;
}

/* -------------------------------------------------------------------------
 * 4. Buttons
 * ---------------------------------------------------------------------- */

.erke-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.5rem;
	border: 1px solid transparent;
	border-radius: var(--erke-radius-pill);
	cursor: pointer;
	font: inherit;
	font-size: 0.95rem;
	font-weight: 600;
	letter-spacing: 0.005em;
	line-height: 1.2;
	padding: 0.85rem 1.65rem;
	text-align: center;
	text-decoration: none;
	transition: background-color var(--erke-speed) var(--erke-ease),
		color var(--erke-speed) var(--erke-ease),
		border-color var(--erke-speed) var(--erke-ease),
		transform var(--erke-speed) var(--erke-ease),
		box-shadow var(--erke-speed) var(--erke-ease);
}

.erke-btn:hover,
.erke-btn:focus-visible {
	transform: translateY(-2px);
}

.erke-btn:active {
	transform: translateY(0);
}

.erke-btn--primary {
	background: var(--erke-accent);
	border-color: var(--erke-accent);
	color: var(--erke-ink);
	box-shadow: var(--erke-shadow-sm);
}

.erke-btn--primary:hover,
.erke-btn--primary:focus-visible {
	background: var(--erke-accent-deep);
	border-color: var(--erke-accent-deep);
	color: var(--erke-ink);
	box-shadow: var(--erke-shadow-md);
}

.erke-btn--ghost {
	background: transparent;
	border-color: color-mix(in srgb, var(--erke-green) 30%, transparent);
	color: var(--erke-green-deep);
}

.erke-btn--ghost:hover,
.erke-btn--ghost:focus-visible {
	background: var(--erke-green-soft);
	border-color: var(--erke-green);
	color: var(--erke-green-deep);
}

.erke-btn--on-dark {
	background: rgba(255, 255, 255, 0.1);
	border-color: rgba(255, 255, 255, 0.4);
	color: #fff;
}

.erke-btn--on-dark:hover,
.erke-btn--on-dark:focus-visible {
	background: var(--erke-accent);
	border-color: var(--erke-accent);
	color: var(--erke-ink);
}

.erke-btn--light {
	background: var(--erke-accent);
	border-color: var(--erke-accent);
	color: var(--erke-ink);
}

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

.erke-btn-row {
	display: flex;
	flex-wrap: wrap;
	gap: 0.85rem;
}

/* Text link with a moving arrow. */
.erke-arrow-link {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	font-weight: 600;
	font-size: 0.95rem;
	text-decoration: none;
}

.erke-arrow-link::after {
	content: "\2192";
	transition: transform var(--erke-speed) var(--erke-ease);
}

.erke-arrow-link:hover::after,
.erke-arrow-link:focus-visible::after {
	transform: translateX(4px);
}

/* -------------------------------------------------------------------------
 * 5. Header
 * ---------------------------------------------------------------------- */

.erke-header {
	position: sticky;
	top: 0;
	z-index: 500;
	background: color-mix(in srgb, var(--erke-bg) 82%, transparent);
	backdrop-filter: saturate(150%) blur(14px);
	-webkit-backdrop-filter: saturate(150%) blur(14px);
	border-bottom: 1px solid transparent;
	transition: background-color var(--erke-speed) var(--erke-ease),
		border-color var(--erke-speed) var(--erke-ease),
		box-shadow var(--erke-speed) var(--erke-ease);
}

/* Toggled from JS once the page is scrolled. */
.erke-header.is-stuck {
	background: color-mix(in srgb, var(--erke-bg) 94%, transparent);
	border-bottom-color: var(--erke-border);
	box-shadow: 0 6px 24px -18px rgba(13, 54, 38, 0.5);
}

.erke-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1.25rem;
	min-height: var(--erke-header-h);
}

.erke-brand {
	display: inline-flex;
	align-items: center;
	gap: 0.7rem;
	text-decoration: none;
	flex-shrink: 0;
}

.erke-brand img {
	max-height: 46px;
	width: auto;
}

.erke-brand__text {
	display: flex;
	flex-direction: column;
	line-height: 1.15;
}

.erke-brand__name {
	color: var(--erke-green-dark);
	font-size: 1.06rem;
	font-weight: 700;
	letter-spacing: -0.015em;
}

.erke-brand__tagline {
	color: var(--erke-text-faint);
	font-size: 0.7rem;
	font-weight: 500;
	letter-spacing: 0.06em;
	text-transform: uppercase;
}

.erke-header__nav-wrap {
	display: flex;
	align-items: center;
	gap: 1.25rem;
	margin-left: auto;
}

.erke-nav ul {
	display: flex;
	align-items: center;
	gap: 0.15rem;
	list-style: none;
	margin: 0;
	padding: 0;
}

.erke-nav li {
	position: relative;
}

.erke-nav a {
	display: block;
	border-radius: var(--erke-radius-pill);
	color: var(--erke-text);
	font-size: 0.925rem;
	font-weight: 550;
	padding: 0.5rem 0.85rem;
	text-decoration: none;
	transition: background-color var(--erke-speed) var(--erke-ease),
		color var(--erke-speed) var(--erke-ease);
}

.erke-nav a:hover,
.erke-nav a:focus-visible,
.erke-nav .current-menu-item > a,
.erke-nav .current_page_item > a,
.erke-nav .current-menu-ancestor > a,
.erke-nav a.is-active {
	background: var(--erke-green-soft);
	color: var(--erke-green-deep);
}

/* Sub menus (desktop). */
.erke-nav .sub-menu {
	position: absolute;
	top: calc(100% + 8px);
	left: 0;
	min-width: 210px;
	flex-direction: column;
	align-items: stretch;
	gap: 0;
	background: var(--erke-surface);
	border: 1px solid var(--erke-border);
	border-radius: var(--erke-radius-sm);
	box-shadow: var(--erke-shadow-md);
	padding: 0.4rem;
	opacity: 0;
	visibility: hidden;
	transform: translateY(-6px);
	transition: opacity var(--erke-speed) var(--erke-ease),
		transform var(--erke-speed) var(--erke-ease),
		visibility var(--erke-speed);
}

.erke-nav li:hover > .sub-menu,
.erke-nav li:focus-within > .sub-menu {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

.erke-nav .sub-menu a {
	border-radius: 7px;
	font-size: 0.9rem;
	padding: 0.5rem 0.75rem;
}

/* Language switcher */
.erke-lang {
	display: flex;
	align-items: center;
	gap: 0.2rem;
	list-style: none;
	margin: 0;
	padding: 0.22rem;
	background: var(--erke-surface-alt);
	border: 1px solid var(--erke-border);
	border-radius: var(--erke-radius-pill);
}

.erke-lang li {
	display: block;
}

.erke-lang a {
	display: block;
	border-radius: var(--erke-radius-pill);
	color: var(--erke-text-muted);
	font-size: 0.78rem;
	font-weight: 650;
	letter-spacing: 0.06em;
	padding: 0.28rem 0.6rem;
	text-decoration: none;
	text-transform: uppercase;
	transition: background-color var(--erke-speed) var(--erke-ease),
		color var(--erke-speed) var(--erke-ease);
}

.erke-lang .current-lang a,
.erke-lang .current-lang > a {
	background: var(--erke-green);
	color: #fff;
}

.erke-lang a:hover,
.erke-lang a:focus-visible {
	color: var(--erke-green-deep);
}

.erke-lang .current-lang a:hover {
	color: #fff;
}

.erke-header__cta {
	flex-shrink: 0;
}

/* Hamburger */
.erke-burger {
	display: none;
	align-items: center;
	justify-content: center;
	width: 44px;
	height: 44px;
	padding: 0;
	background: var(--erke-surface);
	border: 1px solid var(--erke-border);
	border-radius: 12px;
	cursor: pointer;
	color: var(--erke-green-dark);
	transition: background-color var(--erke-speed) var(--erke-ease),
		border-color var(--erke-speed) var(--erke-ease);
}

.erke-burger:hover {
	border-color: var(--erke-green);
}

.erke-burger__bars {
	position: relative;
	display: block;
	width: 20px;
	height: 2px;
	border-radius: 2px;
	background: currentColor;
	transition: background-color 0.16s var(--erke-ease);
}

.erke-burger__bars::before,
.erke-burger__bars::after {
	content: "";
	position: absolute;
	left: 0;
	width: 20px;
	height: 2px;
	border-radius: 2px;
	background: currentColor;
	transition: transform var(--erke-speed) var(--erke-ease),
		top var(--erke-speed) var(--erke-ease);
}

.erke-burger__bars::before {
	top: -6px;
}

.erke-burger__bars::after {
	top: 6px;
}

.erke-burger[aria-expanded="true"] .erke-burger__bars {
	background: transparent;
}

.erke-burger[aria-expanded="true"] .erke-burger__bars::before {
	top: 0;
	transform: rotate(45deg);
}

.erke-burger[aria-expanded="true"] .erke-burger__bars::after {
	top: 0;
	transform: rotate(-45deg);
}

/* -------------------------------------------------------------------------
 * 6. Hero
 * ---------------------------------------------------------------------- */

.erke-hero {
	position: relative;
	overflow: hidden;
	background: linear-gradient(165deg, var(--erke-green-dark) 0%, var(--erke-green-deep) 45%, var(--erke-green) 100%);
	color: var(--erke-on-dark);
	padding-block: clamp(4.5rem, 2.6rem + 7.5vw, 8.5rem);
	isolation: isolate;
}

.erke-hero__bg {
	position: absolute;
	inset: 0;
	z-index: -2;
	object-fit: cover;
	width: 100%;
	height: 100%;
	opacity: 0.26;
}

.erke-hero::after {
	content: "";
	position: absolute;
	inset: 0;
	z-index: -1;
	background:
		radial-gradient(58% 70% at 78% 8%, rgba(183, 217, 76, 0.2) 0%, transparent 62%),
		radial-gradient(70% 90% at 8% 100%, rgba(13, 54, 38, 0.55) 0%, transparent 60%);
	pointer-events: none;
}

.erke-hero__inner {
	max-width: 800px;
}

.erke-hero__eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	background: rgba(255, 255, 255, 0.11);
	border: 1px solid rgba(255, 255, 255, 0.2);
	border-radius: var(--erke-radius-pill);
	color: #fff;
	font-size: 0.76rem;
	font-weight: 600;
	letter-spacing: 0.11em;
	margin-bottom: 1.5rem;
	padding: 0.42rem 0.95rem;
	text-transform: uppercase;
}

.erke-hero__eyebrow .erke-dot {
	width: 7px;
	height: 7px;
	border-radius: 50%;
	background: var(--erke-accent);
}

.erke-hero__title {
	color: #fff;
	font-size: var(--erke-fs-hero);
	font-weight: 680;
	letter-spacing: -0.032em;
	margin-bottom: 1.1rem;
}

.erke-hero__title em {
	font-style: normal;
	color: var(--erke-accent);
}

.erke-hero__sub {
	color: rgba(255, 255, 255, 0.86);
	font-size: var(--erke-fs-lead);
	max-width: 60ch;
	margin-bottom: 2.1rem;
}

.erke-hero__stats,
.erke-hero__stats dd,
.erke-hero__stats dt {
	margin: 0;
}

.erke-hero__stats {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
	gap: 1.5rem 2rem;
	margin-top: clamp(2.75rem, 1.8rem + 3vw, 4.25rem);
	padding-top: clamp(1.75rem, 1.2rem + 2vw, 2.5rem);
	border-top: 1px solid rgba(255, 255, 255, 0.16);
	max-width: 820px;
}

.erke-stat__value {
	color: #fff;
	display: block;
	font-size: clamp(1.6rem, 1.3rem + 1.1vw, 2.1rem);
	font-weight: 700;
	letter-spacing: -0.03em;
	line-height: 1.1;
}

.erke-stat__label {
	color: rgba(255, 255, 255, 0.68);
	display: block;
	font-size: 0.82rem;
	font-weight: 500;
	letter-spacing: 0.04em;
	margin-top: 0.3rem;
}

/* -------------------------------------------------------------------------
 * 7. About
 * ---------------------------------------------------------------------- */

.erke-about__grid {
	display: grid;
	gap: clamp(2rem, 1.2rem + 3vw, 3.75rem);
	align-items: start;
}

.erke-about__body {
	font-size: 1.03rem;
	color: var(--erke-text-muted);
}

.erke-about__body h2,
.erke-about__body h3,
.erke-about__body h4 {
	color: var(--erke-green-dark);
}

.erke-about__body > *:last-child {
	margin-bottom: 0;
}

.erke-about__aside {
	background: var(--erke-surface);
	border: 1px solid var(--erke-border);
	border-radius: var(--erke-radius);
	box-shadow: var(--erke-shadow-sm);
	padding: clamp(1.5rem, 1.1rem + 1.4vw, 2.1rem);
}

.erke-about__aside h3 {
	font-size: 1.06rem;
	margin-bottom: 1rem;
}

.erke-tick-list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	gap: 0.7rem;
}

.erke-tick-list li {
	position: relative;
	padding-left: 1.85rem;
	color: var(--erke-text-muted);
	font-size: 0.95rem;
	line-height: 1.5;
}

.erke-tick-list li::before {
	content: "";
	position: absolute;
	left: 0;
	top: 0.3em;
	width: 1.1rem;
	height: 1.1rem;
	border-radius: 50%;
	background: var(--erke-green-soft);
	box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--erke-green) 25%, transparent);
}

.erke-tick-list li::after {
	content: "";
	position: absolute;
	left: 0.36rem;
	top: 0.52em;
	width: 0.28rem;
	height: 0.52rem;
	border: solid var(--erke-green);
	border-width: 0 2px 2px 0;
	transform: rotate(43deg);
}

/* -------------------------------------------------------------------------
 * 8. Cards (trainings + press)
 * ---------------------------------------------------------------------- */

.erke-grid {
	display: grid;
	gap: clamp(1.1rem, 0.8rem + 1.1vw, 1.75rem);
	grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
}

.erke-card {
	display: flex;
	flex-direction: column;
	position: relative;
	background: var(--erke-surface);
	border: 1px solid var(--erke-border);
	border-radius: var(--erke-radius);
	overflow: hidden;
	box-shadow: var(--erke-shadow-sm);
	transition: transform var(--erke-speed) var(--erke-ease),
		box-shadow var(--erke-speed) var(--erke-ease),
		border-color var(--erke-speed) var(--erke-ease);
}

.erke-card:hover,
.erke-card:focus-within {
	transform: translateY(-5px);
	border-color: color-mix(in srgb, var(--erke-green) 35%, var(--erke-border));
	box-shadow: var(--erke-shadow-md);
}

.erke-card__media {
	position: relative;
	display: block;
	aspect-ratio: 16 / 10;
	overflow: hidden;
	background: var(--erke-surface-alt);
}

.erke-card__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.5s var(--erke-ease);
}

.erke-card:hover .erke-card__media img {
	transform: scale(1.045);
}

/* Placeholder shown when a training has no featured image. */
.erke-card__media--empty {
	display: grid;
	place-items: center;
	background: linear-gradient(135deg, var(--erke-green-tint), var(--erke-green-soft));
	color: color-mix(in srgb, var(--erke-green) 55%, transparent);
}

.erke-card__media--empty span {
	font-size: 0.78rem;
	font-weight: 650;
	letter-spacing: 0.16em;
	text-transform: uppercase;
}

.erke-card__body {
	display: flex;
	flex-direction: column;
	flex: 1 1 auto;
	gap: 0.6rem;
	padding: clamp(1.15rem, 0.95rem + 0.6vw, 1.55rem);
}

.erke-card__title {
	font-size: var(--erke-fs-h3);
	margin: 0;
}

.erke-card__title a {
	color: inherit;
	text-decoration: none;
}

/* Full-card click target without nesting interactive elements. */
.erke-card__title a::after {
	content: "";
	position: absolute;
	inset: 0;
	z-index: 1;
}

.erke-card__excerpt {
	color: var(--erke-text-muted);
	font-size: 0.945rem;
	margin: 0;
}

.erke-card__meta {
	color: var(--erke-text-faint);
	font-size: 0.8rem;
	font-weight: 550;
	letter-spacing: 0.05em;
	text-transform: uppercase;
	margin: 0;
}

.erke-card__foot {
	margin-top: auto;
	padding-top: 0.65rem;
}

/* The label is decorative - the whole card is the click target, so it must
   stay *below* the title's overlay rather than punching a hole in it. */
.erke-card__foot .erke-arrow-link {
	color: var(--erke-green);
	pointer-events: none;
}

.erke-card:hover .erke-card__foot .erke-arrow-link::after,
.erke-card:focus-within .erke-card__foot .erke-arrow-link::after {
	transform: translateX(4px);
}

/* Press cards are text-forward: logo/thumb on top, source + outbound link. */
.erke-card--press .erke-card__media {
	aspect-ratio: 3 / 2;
	background: var(--erke-surface);
	border-bottom: 1px solid var(--erke-border);
}

.erke-card--press .erke-card__media img {
	object-fit: contain;
	padding: 1.1rem;
}

.erke-card--press:hover .erke-card__media img {
	transform: none;
}

/* -------------------------------------------------------------------------
 * 9. Gallery
 * ---------------------------------------------------------------------- */

/*
 * Masonry-ish: a uniform row height with a few tiles spanning two rows, so the
 * grid keeps a photo-friendly aspect ratio (roughly 5:4 and 5:8) instead of
 * the extreme portrait shapes a fine-grained row track produces.
 */
.erke-gallery {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(min(100%, 230px), 1fr));
	grid-auto-rows: 175px;
	gap: 1rem;
}

.erke-gallery__item {
	position: relative;
	overflow: hidden;
	margin: 0;
	border-radius: var(--erke-radius-sm);
	border: 1px solid var(--erke-border);
	background: var(--erke-surface-alt);
	box-shadow: var(--erke-shadow-sm);
	grid-row: span 1;
	transition: transform var(--erke-speed) var(--erke-ease),
		box-shadow var(--erke-speed) var(--erke-ease);
}

/* Two taller tiles per six break up the rhythm. */
.erke-gallery__item:nth-child(6n + 1),
.erke-gallery__item:nth-child(6n + 4) {
	grid-row: span 2;
}

.erke-gallery__item > a {
	display: block;
	width: 100%;
	height: 100%;
}

.erke-gallery__item:hover {
	transform: translateY(-3px);
	box-shadow: var(--erke-shadow-md);
}

.erke-gallery__item img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.6s var(--erke-ease);
}

.erke-gallery__item:hover img {
	transform: scale(1.05);
}

.erke-gallery__caption {
	position: absolute;
	inset-inline: 0;
	bottom: 0;
	padding: 1.75rem 0.9rem 0.7rem;
	background: linear-gradient(to top, rgba(13, 54, 38, 0.82), transparent);
	color: #fff;
	font-size: 0.82rem;
	line-height: 1.35;
	opacity: 0;
	transition: opacity var(--erke-speed) var(--erke-ease);
}

.erke-gallery__item:hover .erke-gallery__caption,
.erke-gallery__item:focus-within .erke-gallery__caption {
	opacity: 1;
}

/* -------------------------------------------------------------------------
 * 10. Testimonials
 * ---------------------------------------------------------------------- */

.erke-quotes {
	display: grid;
	gap: clamp(1.1rem, 0.85rem + 1vw, 1.6rem);
	grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
}

.erke-quote {
	position: relative;
	background: var(--erke-surface);
	border: 1px solid var(--erke-border);
	border-radius: var(--erke-radius);
	box-shadow: var(--erke-shadow-sm);
	margin: 0;
	padding: clamp(1.5rem, 1.15rem + 1.2vw, 2.15rem);
	padding-top: clamp(2.6rem, 2rem + 1.8vw, 3.1rem);
}

.erke-quote::before {
	content: "\201C";
	position: absolute;
	top: 0.1em;
	left: 0.42em;
	color: color-mix(in srgb, var(--erke-green) 22%, transparent);
	font-size: 4.2rem;
	font-weight: 700;
	line-height: 1;
}

/* Undo the global blockquote treatment inside a quote card. */
.erke-quote blockquote {
	border: 0;
	color: inherit;
	font-size: inherit;
	margin: 0;
	padding: 0;
}

.erke-quote p {
	color: var(--erke-text);
	font-size: 1.02rem;
	line-height: 1.62;
}

.erke-quote p:last-of-type {
	margin-bottom: 0;
}

.erke-quote cite,
.erke-quote footer {
	display: block;
	margin-top: 1.1rem;
	color: var(--erke-green);
	font-size: 0.88rem;
	font-style: normal;
	font-weight: 650;
	letter-spacing: 0.02em;
}

/* -------------------------------------------------------------------------
 * 11. Contact
 * ---------------------------------------------------------------------- */

.erke-contact__grid {
	display: grid;
	gap: clamp(2rem, 1.2rem + 3vw, 3.5rem);
	align-items: start;
}

.erke-contact__details {
	display: grid;
	gap: 1.1rem;
	list-style: none;
	margin: 0 0 1.75rem;
	padding: 0;
}

.erke-contact__details li {
	display: grid;
	grid-template-columns: 40px 1fr;
	gap: 0.9rem;
	align-items: start;
}

.erke-contact__icon {
	display: grid;
	place-items: center;
	width: 40px;
	height: 40px;
	border-radius: 11px;
	background: var(--erke-green-soft);
	color: var(--erke-green-deep);
}

/* Inline SVGs from erke_icon() carry no fill of their own. */
.erke-contact__icon svg {
	width: 19px;
	height: 19px;
	fill: currentColor;
}

.erke-contact__label {
	display: block;
	color: var(--erke-text-faint);
	font-size: 0.74rem;
	font-weight: 650;
	letter-spacing: 0.11em;
	text-transform: uppercase;
	margin-bottom: 0.1rem;
}

.erke-contact__value {
	color: var(--erke-text);
	font-size: 1rem;
	font-weight: 550;
	line-height: 1.45;
	text-decoration: none;
}

a.erke-contact__value:hover {
	color: var(--erke-green);
}

.erke-contact__form {
	background: var(--erke-surface);
	border: 1px solid var(--erke-border);
	border-radius: var(--erke-radius);
	box-shadow: var(--erke-shadow-md);
	padding: clamp(1.5rem, 1.1rem + 1.6vw, 2.4rem);
}

.erke-contact__form h3 {
	font-size: 1.2rem;
	margin-bottom: 1.25rem;
}

.erke-contact__fallback {
	color: var(--erke-text-muted);
	font-size: 0.97rem;
}

.erke-contact__fallback code {
	background: var(--erke-surface-alt);
	border-radius: 5px;
	padding: 0.12em 0.4em;
}

/* Contact Form 7 - restyled without touching plugin markup. */
.erke-contact__form .wpcf7-form label {
	display: block;
	color: var(--erke-text);
	font-size: 0.88rem;
	font-weight: 600;
	margin-bottom: 1rem;
}

.erke-contact__form input[type="text"],
.erke-contact__form input[type="email"],
.erke-contact__form input[type="tel"],
.erke-contact__form input[type="url"],
.erke-contact__form input[type="date"],
.erke-contact__form input[type="number"],
.erke-contact__form select,
.erke-contact__form textarea {
	width: 100%;
	margin-top: 0.4rem;
	padding: 0.72rem 0.9rem;
	background: var(--erke-bg);
	border: 1px solid var(--erke-border-strong);
	border-radius: var(--erke-radius-sm);
	color: var(--erke-text);
	font: inherit;
	font-size: 0.95rem;
	font-weight: 400;
	transition: border-color var(--erke-speed) var(--erke-ease),
		box-shadow var(--erke-speed) var(--erke-ease),
		background-color var(--erke-speed) var(--erke-ease);
}

.erke-contact__form textarea {
	min-height: 130px;
	resize: vertical;
}

.erke-contact__form input:focus,
.erke-contact__form select:focus,
.erke-contact__form textarea:focus {
	background: var(--erke-surface);
	border-color: var(--erke-green);
	box-shadow: 0 0 0 3px color-mix(in srgb, var(--erke-green) 16%, transparent);
	outline: none;
}

.erke-contact__form input[type="submit"],
.erke-contact__form .wpcf7-submit {
	width: auto;
	margin-top: 0.35rem;
	padding: 0.85rem 1.9rem;
	background: var(--erke-accent);
	border: 1px solid var(--erke-accent);
	border-radius: var(--erke-radius-pill);
	box-shadow: var(--erke-shadow-sm);
	color: var(--erke-ink);
	cursor: pointer;
	font-size: 0.95rem;
	font-weight: 650;
	transition: background-color var(--erke-speed) var(--erke-ease),
		transform var(--erke-speed) var(--erke-ease),
		box-shadow var(--erke-speed) var(--erke-ease);
}

.erke-contact__form input[type="submit"]:hover,
.erke-contact__form .wpcf7-submit:hover {
	background: var(--erke-accent-deep);
	border-color: var(--erke-accent-deep);
	box-shadow: var(--erke-shadow-md);
	transform: translateY(-2px);
}

.erke-contact__form .wpcf7-response-output {
	margin: 1.25rem 0 0;
	padding: 0.8rem 1rem;
	border-radius: var(--erke-radius-sm);
	border-width: 1px;
	font-size: 0.9rem;
}

.erke-contact__form .wpcf7-not-valid-tip {
	color: #b3261e;
	font-size: 0.82rem;
	font-weight: 500;
	margin-top: 0.3rem;
}

.erke-contact__form .wpcf7-spinner {
	margin-left: 0.6rem;
}

/* The embedded location map, below the contact grid. The iframe is sized by
   ratio rather than fixed pixels, so it can never widen the page - checked at
   320 and 375 px, where the min-height keeps it tall enough to be usable. */
.erke-map {
	margin-top: clamp(2rem, 1.2rem + 3vw, 3.5rem);
}

.erke-map__frame {
	display: block;
	width: 100%;
	max-width: 100%;
	aspect-ratio: 16 / 9;
	min-height: 260px;
	border: 1px solid var(--erke-border);
	border-radius: var(--erke-radius);
	background: var(--erke-surface-alt);
}

@media (min-width: 900px) {
	.erke-map__frame {
		aspect-ratio: 21 / 9;
	}
}

/* -------------------------------------------------------------------------
 * 12. CTA band
 * ---------------------------------------------------------------------- */

.erke-cta {
	position: relative;
	overflow: hidden;
	background: linear-gradient(150deg, var(--erke-green-deep), var(--erke-green-dark));
	color: var(--erke-on-dark);
	padding-block: clamp(3rem, 2.2rem + 3vw, 4.75rem);
}

.erke-cta::after {
	content: "";
	position: absolute;
	inset: 0;
	background: radial-gradient(50% 120% at 88% 0%, rgba(222, 220, 13, 0.14), transparent 65%);
	pointer-events: none;
}

.erke-cta__inner {
	position: relative;
	z-index: 1;
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 1.75rem;
}

.erke-cta__text {
	max-width: 62ch;
}

.erke-cta h2 {
	color: #fff;
	font-size: clamp(1.45rem, 1.2rem + 1.1vw, 2.05rem);
	margin-bottom: 0.45rem;
}

.erke-cta p {
	color: rgba(255, 255, 255, 0.8);
	margin: 0;
}

/* -------------------------------------------------------------------------
 * 13. Single / page / archive content
 * ---------------------------------------------------------------------- */

.erke-page-hero {
	background: var(--erke-green-tint);
	border-bottom: 1px solid var(--erke-border);
	padding-block: clamp(2.75rem, 2rem + 3vw, 4.5rem);
}

.erke-page-hero__title {
	font-size: var(--erke-fs-h2);
	margin-bottom: 0;
	max-width: 22ch;
}

.erke-page-hero__intro {
	color: var(--erke-text-muted);
	font-size: var(--erke-fs-lead);
	max-width: 65ch;
	margin: 0.85rem 0 0;
}

.erke-breadcrumb {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.45rem;
	color: var(--erke-text-faint);
	font-size: 0.83rem;
	margin-bottom: 1rem;
}

.erke-breadcrumb a {
	color: var(--erke-text-muted);
	text-decoration: none;
}

.erke-breadcrumb a:hover {
	color: var(--erke-green);
}

.erke-article {
	padding-block: clamp(2.5rem, 1.8rem + 3vw, 4.25rem);
}

.erke-article__figure {
	margin: 0 0 clamp(1.75rem, 1.3rem + 1.8vw, 2.75rem);
	border-radius: var(--erke-radius);
	overflow: hidden;
	border: 1px solid var(--erke-border);
	box-shadow: var(--erke-shadow-md);
}

.erke-article__figure img {
	width: 100%;
	height: auto;
}

.erke-prose {
	font-size: 1.045rem;
	line-height: 1.75;
	color: var(--erke-text);
}

.erke-prose > *:last-child {
	margin-bottom: 0;
}

.erke-prose h2 {
	font-size: clamp(1.35rem, 1.15rem + 0.9vw, 1.8rem);
	margin-top: 2.2em;
}

.erke-prose h3 {
	font-size: clamp(1.1rem, 1rem + 0.5vw, 1.35rem);
	margin-top: 1.9em;
}

.erke-prose > h2:first-child,
.erke-prose > h3:first-child {
	margin-top: 0;
}

.erke-prose ul,
.erke-prose ol {
	padding-left: 1.35rem;
}

.erke-prose li {
	margin-bottom: 0.45rem;
}

.erke-prose img {
	border-radius: var(--erke-radius-sm);
}

.erke-prose a {
	font-weight: 550;
}

.erke-back-link {
	display: inline-flex;
	align-items: center;
	gap: 0.45rem;
	color: var(--erke-text-muted);
	font-size: 0.92rem;
	font-weight: 600;
	text-decoration: none;
	margin-bottom: 1.5rem;
	transition: color var(--erke-speed) var(--erke-ease), gap var(--erke-speed) var(--erke-ease);
}

.erke-back-link::before {
	content: "\2190";
}

.erke-back-link:hover {
	color: var(--erke-green);
	gap: 0.7rem;
}

.erke-post-nav {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	gap: 1rem;
	border-top: 1px solid var(--erke-border);
	margin-top: clamp(2.25rem, 1.8rem + 2vw, 3.25rem);
	padding-top: 1.5rem;
	font-size: 0.92rem;
	font-weight: 550;
}

.erke-pagination {
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem;
	justify-content: center;
	margin-top: clamp(2.25rem, 1.8rem + 2vw, 3.25rem);
}

.erke-pagination .page-numbers {
	display: grid;
	place-items: center;
	min-width: 42px;
	height: 42px;
	padding-inline: 0.65rem;
	background: var(--erke-surface);
	border: 1px solid var(--erke-border);
	border-radius: var(--erke-radius-sm);
	color: var(--erke-text-muted);
	font-size: 0.92rem;
	font-weight: 600;
	text-decoration: none;
	transition: border-color var(--erke-speed) var(--erke-ease),
		color var(--erke-speed) var(--erke-ease),
		background-color var(--erke-speed) var(--erke-ease);
}

.erke-pagination .page-numbers:hover {
	border-color: var(--erke-green);
	color: var(--erke-green-deep);
}

.erke-pagination .page-numbers.current {
	background: var(--erke-green);
	border-color: var(--erke-green);
	color: #fff;
}

.erke-empty {
	background: var(--erke-surface);
	border: 1px dashed var(--erke-border-strong);
	border-radius: var(--erke-radius);
	color: var(--erke-text-muted);
	padding: clamp(1.75rem, 1.4rem + 1.5vw, 2.75rem);
	text-align: center;
}

.erke-empty p:last-child {
	margin-bottom: 0;
}

/* Post list (blog index / search). */
.erke-post-list {
	display: grid;
	gap: clamp(1.1rem, 0.85rem + 1vw, 1.75rem);
	grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
}

/* 404 */
.erke-404 {
	display: grid;
	place-items: center;
	min-height: 60vh;
	padding-block: clamp(3rem, 2.2rem + 4vw, 6rem);
	text-align: center;
}

.erke-404__code {
	color: color-mix(in srgb, var(--erke-green) 28%, transparent);
	font-size: clamp(4.5rem, 3rem + 9vw, 9rem);
	font-weight: 750;
	letter-spacing: -0.05em;
	line-height: 1;
	margin-bottom: 0.4rem;
}

.erke-404__text {
	color: var(--erke-text-muted);
	font-size: var(--erke-fs-lead);
	max-width: 52ch;
	margin-inline: auto;
	margin-bottom: 2rem;
}

/* -------------------------------------------------------------------------
 * 14. Footer
 * ---------------------------------------------------------------------- */

.erke-footer {
	background: var(--erke-green-dark);
	border-top: 4px solid var(--erke-accent);
	color: rgba(255, 255, 255, 0.72);
	padding-top: clamp(3rem, 2.2rem + 3vw, 4.5rem);
	font-size: 0.94rem;
}

.erke-footer a {
	color: rgba(255, 255, 255, 0.82);
	text-decoration: none;
	transition: color var(--erke-speed) var(--erke-ease);
}

.erke-footer a:hover,
.erke-footer a:focus-visible {
	color: #fff;
}

.erke-footer__grid {
	display: grid;
	gap: clamp(2rem, 1.4rem + 2.4vw, 3rem);
	grid-template-columns: 1fr;
	padding-bottom: clamp(2.25rem, 1.8rem + 2vw, 3rem);
}

.erke-footer__title {
	color: #fff;
	font-size: 0.8rem;
	font-weight: 650;
	letter-spacing: 0.13em;
	margin-bottom: 1.1rem;
	text-transform: uppercase;
}

.erke-footer__brand img {
	max-height: 48px;
	width: auto;
	margin-bottom: 1rem;
}

.erke-footer__brand-name {
	color: #fff;
	font-size: 1.12rem;
	font-weight: 700;
	letter-spacing: -0.015em;
	margin-bottom: 0.6rem;
}

.erke-footer__desc {
	max-width: 40ch;
	line-height: 1.6;
}

.erke-footer__list {
	display: grid;
	gap: 0.6rem;
	list-style: none;
	margin: 0;
	padding: 0;
}

.erke-footer__contact {
	display: grid;
	gap: 0.75rem;
	list-style: none;
	margin: 0;
	padding: 0;
}

.erke-footer__contact li {
	line-height: 1.5;
}

.erke-footer__contact strong {
	display: block;
	color: rgba(255, 255, 255, 0.5);
	font-size: 0.72rem;
	font-weight: 600;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	margin-bottom: 0.15rem;
}

/* Social icons: light context by default (contact section), inverted inside
   the dark footer. */
.erke-social {
	display: flex;
	flex-wrap: wrap;
	gap: 0.55rem;
	list-style: none;
	margin: 1.5rem 0 0;
	padding: 0;
}

.erke-social a {
	display: grid;
	place-items: center;
	width: 40px;
	height: 40px;
	background: var(--erke-surface);
	border: 1px solid var(--erke-border);
	border-radius: 11px;
	color: var(--erke-green-deep);
	transition: background-color var(--erke-speed) var(--erke-ease),
		border-color var(--erke-speed) var(--erke-ease),
		color var(--erke-speed) var(--erke-ease),
		transform var(--erke-speed) var(--erke-ease);
}

.erke-social a:hover,
.erke-social a:focus-visible {
	background: var(--erke-green);
	border-color: var(--erke-green);
	color: #fff;
	transform: translateY(-2px);
}

.erke-social svg {
	width: 18px;
	height: 18px;
	fill: currentColor;
}

.erke-footer .erke-social a {
	background: rgba(255, 255, 255, 0.08);
	border-color: rgba(255, 255, 255, 0.14);
	color: rgba(255, 255, 255, 0.85);
}

.erke-footer .erke-social a:hover,
.erke-footer .erke-social a:focus-visible {
	background: var(--erke-accent);
	border-color: var(--erke-accent);
	color: var(--erke-ink);
}

.erke-footer__bar {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 0.75rem;
	border-top: 1px solid rgba(255, 255, 255, 0.12);
	padding-block: 1.4rem;
	color: rgba(255, 255, 255, 0.55);
	font-size: 0.86rem;
}

.erke-footer__bar p {
	margin: 0;
}

/* -------------------------------------------------------------------------
 * 14b. Search form + comments
 * ---------------------------------------------------------------------- */

.erke-search {
	display: flex;
	flex-wrap: wrap;
	gap: 0.6rem;
}

.erke-search__field {
	flex: 1 1 200px;
	min-width: 0;
	padding: 0.72rem 0.95rem;
	background: var(--erke-surface);
	border: 1px solid var(--erke-border-strong);
	border-radius: var(--erke-radius-pill);
	color: var(--erke-text);
	font: inherit;
	font-size: 0.95rem;
	transition: border-color var(--erke-speed) var(--erke-ease),
		box-shadow var(--erke-speed) var(--erke-ease);
}

.erke-search__field:focus {
	border-color: var(--erke-green);
	box-shadow: 0 0 0 3px color-mix(in srgb, var(--erke-green) 16%, transparent);
	outline: none;
}

.erke-comments {
	border-top: 1px solid var(--erke-border);
	margin-top: clamp(2.25rem, 1.8rem + 2vw, 3.25rem);
	padding-top: clamp(1.75rem, 1.4rem + 1.5vw, 2.5rem);
}

.erke-comments__title {
	font-size: 1.2rem;
}

.erke-comments__list,
.erke-comments__list .children {
	list-style: none;
	margin: 0 0 2rem;
	padding: 0;
}

.erke-comments__list .children {
	margin: 1rem 0 0 1.5rem;
}

.erke-comments__list li {
	background: var(--erke-surface);
	border: 1px solid var(--erke-border);
	border-radius: var(--erke-radius-sm);
	margin-bottom: 1rem;
	padding: 1.1rem 1.25rem;
}

.erke-comments input[type="text"],
.erke-comments input[type="email"],
.erke-comments input[type="url"],
.erke-comments textarea {
	width: 100%;
	padding: 0.7rem 0.9rem;
	background: var(--erke-surface);
	border: 1px solid var(--erke-border-strong);
	border-radius: var(--erke-radius-sm);
	color: var(--erke-text);
	font: inherit;
	font-size: 0.95rem;
}

.erke-comments .submit {
	padding: 0.8rem 1.8rem;
	background: var(--erke-green);
	border: 1px solid var(--erke-green);
	border-radius: var(--erke-radius-pill);
	color: #fff;
	cursor: pointer;
	font: inherit;
	font-weight: 650;
}

/* -------------------------------------------------------------------------
 * 15. Scroll reveal
 * ---------------------------------------------------------------------- */

.erke-reveal {
	opacity: 0;
	transform: translateY(18px);
	transition: opacity 0.65s var(--erke-ease), transform 0.65s var(--erke-ease);
	will-change: opacity, transform;
}

.erke-reveal.is-visible {
	opacity: 1;
	transform: none;
}

/* Stagger children of a revealed grid. */
.erke-reveal[data-erke-delay="1"] { transition-delay: 0.07s; }
.erke-reveal[data-erke-delay="2"] { transition-delay: 0.14s; }
.erke-reveal[data-erke-delay="3"] { transition-delay: 0.21s; }
.erke-reveal[data-erke-delay="4"] { transition-delay: 0.28s; }
.erke-reveal[data-erke-delay="5"] { transition-delay: 0.35s; }

/* If JS never runs, nothing must stay invisible. */
.no-js .erke-reveal {
	opacity: 1;
	transform: none;
}

/* -------------------------------------------------------------------------
 * 16. Breakpoints
 * ---------------------------------------------------------------------- */

@media (min-width: 720px) {
	.erke-about__grid--with-aside {
		grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
	}

	.erke-footer__grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (min-width: 900px) {
	.erke-contact__grid {
		grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
	}

	.erke-footer__grid {
		grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr) minmax(0, 1.15fr);
	}
}

/* Mobile navigation: everything below 900px collapses into the panel. */
@media (max-width: 899px) {
	.erke-burger {
		display: inline-flex;
	}

	.erke-header__cta {
		display: none;
	}

	.erke-header__nav-wrap {
		position: fixed;
		top: var(--erke-header-h);
		left: 0;
		right: 0;
		max-height: calc(100dvh - var(--erke-header-h));
		overflow-y: auto;
		flex-direction: column;
		align-items: stretch;
		gap: 0;
		background: var(--erke-surface);
		border-top: 1px solid var(--erke-border);
		box-shadow: var(--erke-shadow-lg);
		padding: 1rem var(--erke-gutter) 1.75rem;
		opacity: 0;
		visibility: hidden;
		transform: translateY(-10px);
		transition: opacity var(--erke-speed) var(--erke-ease),
			transform var(--erke-speed) var(--erke-ease),
			visibility var(--erke-speed);
	}

	.erke-header__nav-wrap.is-open {
		opacity: 1;
		visibility: visible;
		transform: translateY(0);
	}

	.erke-nav {
		width: 100%;
	}

	.erke-nav ul {
		flex-direction: column;
		align-items: stretch;
		gap: 0;
	}

	.erke-nav li {
		border-bottom: 1px solid var(--erke-border);
	}

	.erke-nav > ul > li:last-child {
		border-bottom: 0;
	}

	.erke-nav a {
		border-radius: 0;
		font-size: 1.02rem;
		padding: 0.9rem 0.25rem;
	}

	.erke-nav .sub-menu {
		position: static;
		opacity: 1;
		visibility: visible;
		transform: none;
		border: 0;
		box-shadow: none;
		background: transparent;
		padding: 0 0 0.5rem 1rem;
		min-width: 0;
	}

	.erke-lang {
		align-self: flex-start;
		margin-top: 1.25rem;
	}

	/* Prevent background scroll while the panel is open. */
	body.erke-nav-open {
		overflow: hidden;
	}
}

@media (min-width: 900px) {
	.erke-burger {
		display: none;
	}
}

/* -------------------------------------------------------------------------
 * 17. Reduced motion + print
 * ---------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}

	*,
	*::before,
	*::after {
		animation-duration: 0.001ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.001ms !important;
		scroll-behavior: auto !important;
	}

	.erke-reveal {
		opacity: 1;
		transform: none;
	}

	.erke-btn:hover,
	.erke-card:hover,
	.erke-gallery__item:hover,
	.erke-social a:hover {
		transform: none;
	}
}

@media print {
	.erke-header,
	.erke-footer,
	.erke-cta,
	.erke-burger {
		display: none !important;
	}

	body {
		background: #fff;
		color: #000;
	}

	.erke-reveal {
		opacity: 1 !important;
		transform: none !important;
	}
}

/* --------------------------------------------------------------------------
 * References: client logo wall (#referanslar)
 * ----------------------------------------------------------------------- */

.erke-logos {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
	gap: 1px;
	background: var(--erke-border);
	border: 1px solid var(--erke-border);
	border-radius: 14px;
	overflow: hidden;
}

.erke-logos__item {
	display: flex;
	align-items: center;
	justify-content: center;
	background: var(--erke-surface);
	padding: 1.1rem;
	min-height: 92px;
}

.erke-logos__item img {
	max-width: 100%;
	max-height: 58px;
	width: auto;
	height: auto;
	object-fit: contain;
	filter: grayscale(1);
	opacity: 0.75;
	transition: filter 0.2s ease, opacity 0.2s ease;
}

.erke-logos__item:hover img {
	filter: none;
	opacity: 1;
}

@media (max-width: 640px) {
	.erke-logos {
		grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
	}

	.erke-logos__item {
		min-height: 72px;
		padding: 0.8rem;
	}
}


/* --------------------------------------------------------------------------
 * Brand logo (assets/img/logo-*.svg)
 * ----------------------------------------------------------------------- */

.erke-brand__emblem {
	height: 44px;
	width: auto;
	flex-shrink: 0;
}

.erke-footer__brand img.erke-footer__logo {
	height: 84px;
	max-height: 84px;
	width: auto;
	max-width: 100%;
}

@media (max-width: 640px) {
	.erke-brand__emblem {
		height: 36px;
	}
}


/* Hero background video: brighter than the still image, gradient keeps text readable. */
.erke-hero__bg--video {
	opacity: 0.5;
	z-index: -1;
}

@media (prefers-reduced-motion: reduce) {
	.erke-hero__bg--video {
		display: none;
	}
}


/* --------------------------------------------------------------------------
 * Gallery lightbox
 * ----------------------------------------------------------------------- */

.erke-lightbox[hidden] {
	display: none;
}

.erke-lightbox {
	position: fixed;
	inset: 0;
	z-index: 999;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 0.5rem;
	background: rgba(20, 18, 18, 0.92);
	padding: 2.5rem 1rem;
}

.erke-lightbox__figure {
	margin: 0;
	max-width: min(1100px, 92vw);
	max-height: 88vh;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 0.7rem;
}

.erke-lightbox__img {
	max-width: 100%;
	max-height: 80vh;
	width: auto;
	height: auto;
	border-radius: 10px;
	box-shadow: 0 24px 70px rgba(0, 0, 0, 0.55);
}

.erke-lightbox__caption {
	color: rgba(255, 255, 255, 0.85);
	font-size: 0.92rem;
	text-align: center;
}

.erke-lightbox__close,
.erke-lightbox__nav {
	display: grid;
	place-items: center;
	background: rgba(255, 255, 255, 0.1);
	border: 1px solid rgba(255, 255, 255, 0.25);
	border-radius: 50%;
	color: #fff;
	cursor: pointer;
	font-size: 1.5rem;
	line-height: 1;
	width: 44px;
	height: 44px;
	transition: background-color 0.15s ease, color 0.15s ease;
	flex-shrink: 0;
}

.erke-lightbox__close {
	position: absolute;
	top: 1rem;
	right: 1rem;
	font-size: 1.8rem;
}

.erke-lightbox__close:hover,
.erke-lightbox__close:focus-visible,
.erke-lightbox__nav:hover,
.erke-lightbox__nav:focus-visible {
	background: var(--erke-accent);
	border-color: var(--erke-accent);
	color: var(--erke-ink);
}

@media (max-width: 640px) {
	.erke-lightbox {
		padding: 1rem 0.4rem;
	}

	.erke-lightbox__nav {
		width: 38px;
		height: 38px;
	}
}


/* About: certificate logos card (right column) and the full-width project part. */
.erke-about__aside--certs {
	text-align: center;
}

.erke-about__aside--certs p {
	margin: 0;
}

.erke-about__aside--certs img {
	width: 100%;
	height: auto;
}

.erke-about__rest {
	margin-top: clamp(2rem, 1.4rem + 2.4vw, 3.5rem);
	font-size: 1.03rem;
	color: var(--erke-text-muted);
}

.erke-about__rest h2 {
	color: var(--erke-green-dark);
	font-size: var(--erke-fs-h3);
	margin-bottom: 1rem;
}