/* ============================================================
   NiKAD — main stylesheet
   Palette: Meridian (light, two blues, cool grey-white)
   Type:    Fraunces (display) + Inter Tight (body)
   ============================================================ */

/* --- Custom properties --------------------------------------- */
:root {
	/* Colour */
	--c-bg:           #FFFFFF;
	--c-surface:      #F4F6F8;
	--c-border:       #E5E9EE;
	--c-ink:          #122B4A;
	--c-ink-soft:     #2E5A99;
	--c-text:         #1A2540;
	--c-text-muted:   #5A6A82;
	--c-text-subtle:  #8A95A7;

	/* Typography */
	--font-display:   "Fraunces", "Times New Roman", Georgia, serif;
	--font-body:      "Inter Tight", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

	/* Layout */
	--container:      1180px;
	--container-narrow: 760px;
	--gutter:         clamp(1.25rem, 4vw, 2.5rem);

	/* Rhythm */
	--space-1: 0.5rem;
	--space-2: 1rem;
	--space-3: 1.5rem;
	--space-4: 2.5rem;
	--space-5: 4rem;
	--space-6: 6rem;
	--space-7: 9rem;
}

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

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

body {
	margin: 0;
	font-family: var(--font-body);
	font-size: 17px;
	line-height: 1.6;
	color: var(--c-text);
	background: var(--c-bg);
	font-feature-settings: "ss01", "cv11";
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

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

a {
	color: var(--c-ink-soft);
	text-decoration: none;
	border-bottom: 1px solid transparent;
	transition: border-color 0.2s ease, color 0.2s ease;
}

a:hover, a:focus-visible {
	color: var(--c-ink);
	border-bottom-color: currentColor;
}

a:focus-visible {
	outline: 2px solid var(--c-ink-soft);
	outline-offset: 3px;
	border-radius: 2px;
}

::selection { background: var(--c-ink); color: var(--c-bg); }

/* --- Accessibility ------------------------------------------- */
.screen-reader-text {
	position: absolute !important;
	width: 1px; height: 1px;
	padding: 0; margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.skip-link {
	position: absolute;
	top: -100px;
	left: 1rem;
	background: var(--c-ink);
	color: var(--c-bg);
	padding: 0.75rem 1.25rem;
	font-size: 0.875rem;
	z-index: 100;
}
.skip-link:focus { top: 1rem; }

/* --- Layout primitives --------------------------------------- */
.container {
	max-width: var(--container);
	margin: 0 auto;
	padding-left: var(--gutter);
	padding-right: var(--gutter);
	width: 100%;
}

/* --- Typography ---------------------------------------------- */
h1, h2, h3, h4 {
	font-family: var(--font-display);
	font-weight: 400;
	color: var(--c-ink);
	letter-spacing: -0.015em;
	line-height: 1.15;
	margin: 0 0 0.6em;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); font-weight: 300; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; font-family: var(--font-body); font-weight: 500; }

p { margin: 0 0 1.25em; }
p:last-child { margin-bottom: 0; }

strong { font-weight: 500; color: var(--c-ink); }

blockquote {
	margin: 2rem 0;
	padding: 0 0 0 1.5rem;
	border-left: 2px solid var(--c-ink);
	font-family: var(--font-display);
	font-size: 1.25rem;
	font-style: italic;
	color: var(--c-ink);
	font-weight: 300;
}

hr {
	border: 0;
	height: 1px;
	background: var(--c-border);
	margin: var(--space-4) 0;
}

ul, ol { padding-left: 1.25em; margin: 0 0 1.25em; }
li { margin-bottom: 0.4em; }

/* --- Header / nav -------------------------------------------- */
.site-header {
	border-bottom: 1px solid var(--c-border);
	background: var(--c-bg);
	position: sticky;
	top: 0;
	z-index: 50;
	backdrop-filter: saturate(180%) blur(8px);
	background: rgba(255, 255, 255, 0.86);
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	min-height: 76px;
	gap: 2rem;
}

.site-branding .site-title,
.site-branding .custom-logo-link {
	margin: 0;
	font-family: var(--font-display);
	font-size: 1.375rem;
	font-weight: 400;
	letter-spacing: -0.01em;
}

.site-title a {
	color: var(--c-ink);
	border-bottom: none;
}

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

.site-nav__menu {
	display: flex;
	gap: 2rem;
	list-style: none;
	margin: 0;
	padding: 0;
}

.site-nav__menu a {
	color: var(--c-text);
	font-size: 0.95rem;
	font-weight: 400;
	border-bottom: none;
	position: relative;
	padding: 0.25rem 0;
}

.site-nav__menu a::after {
	content: "";
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	height: 1px;
	background: var(--c-ink);
	transform: scaleX(0);
	transform-origin: right;
	transition: transform 0.3s ease;
}

.site-nav__menu a:hover::after,
.site-nav__menu .current-menu-item a::after,
.site-nav__menu .current_page_item a::after {
	transform: scaleX(1);
	transform-origin: left;
}

.site-nav__menu a:hover { color: var(--c-ink); }

.site-nav__menu--placeholder {
	color: var(--c-text-subtle);
	font-size: 0.85rem;
}

/* Mobile nav toggle */
.site-nav__toggle {
	display: none;
	background: transparent;
	border: 1px solid var(--c-border);
	border-radius: 4px;
	width: 44px;
	height: 44px;
	cursor: pointer;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 5px;
	padding: 0;
}

.site-nav__toggle-bar {
	width: 18px;
	height: 1.5px;
	background: var(--c-ink);
	transition: transform 0.25s ease;
}

.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-bar:first-child {
	transform: translateY(3.25px) rotate(45deg);
}
.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-bar:last-child {
	transform: translateY(-3.25px) rotate(-45deg);
}

@media (max-width: 720px) {
	.site-nav__toggle { display: flex; }
	.site-nav { position: relative; }
	.site-nav__menu {
		display: none;
		position: absolute;
		top: calc(100% + 1rem);
		right: 0;
		background: var(--c-bg);
		border: 1px solid var(--c-border);
		border-radius: 6px;
		flex-direction: column;
		padding: 1rem 1.5rem;
		gap: 1rem;
		min-width: 180px;
		box-shadow: 0 8px 24px rgba(18, 43, 74, 0.06);
	}
	.site-nav__toggle[aria-expanded="true"] + #primary-menu,
	.site-nav__toggle[aria-expanded="true"] ~ ul {
		display: flex;
	}
}

/* --- Hero (front page) --------------------------------------- */
.hero {
	padding: clamp(4rem, 12vw, 9rem) 0 clamp(4rem, 10vw, 7rem);
	background: var(--c-bg);
	position: relative;
	overflow: hidden;
}

.hero::before {
	content: "";
	position: absolute;
	top: 0;
	right: -10%;
	width: 60%;
	height: 100%;
	background: radial-gradient(ellipse at top right, rgba(46, 90, 153, 0.05), transparent 60%);
	pointer-events: none;
}

.hero__inner {
	position: relative;
	max-width: var(--container);
}

.hero__headline {
	max-width: 18ch;
	font-size: clamp(2.5rem, 6.5vw, 5rem);
	font-weight: 300;
	line-height: 1.05;
	letter-spacing: -0.025em;
	margin: 0 0 var(--space-3);
	color: var(--c-ink);
}

.hero__body {
	max-width: 56ch;
	font-size: clamp(1.0625rem, 1.4vw, 1.25rem);
	color: var(--c-text-muted);
	line-height: 1.55;
}

.hero__body p:first-of-type::first-letter {
	/* subtle, no drop cap */
}

/* --- Pages --------------------------------------------------- */
.page {
	padding: clamp(3rem, 8vw, 6rem) 0 clamp(4rem, 10vw, 7rem);
}

.page__inner {
	max-width: var(--container-narrow);
}

.page__header {
	margin-bottom: var(--space-4);
	padding-bottom: var(--space-3);
	border-bottom: 1px solid var(--c-border);
}

.page__meta {
	font-size: 0.8125rem;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--c-text-subtle);
	margin: 0 0 0.5rem;
}

.page__title {
	font-size: clamp(2rem, 4vw, 3rem);
	font-weight: 300;
	margin: 0;
	letter-spacing: -0.02em;
}

.page__content {
	font-size: 1.0625rem;
	line-height: 1.7;
	color: var(--c-text);
}

.page__content > * + * { margin-top: 1.25rem; }

.page__content h2 { margin-top: 2.5rem; }
.page__content h3 { margin-top: 2rem; }

/* --- Contact page -------------------------------------------- */
.contact-form-wrap {
	margin-top: var(--space-5);
	max-width: 560px;
}

.contact-notice {
	padding: 1rem 1.25rem;
	border-radius: 4px;
	margin-bottom: 2rem;
	font-size: 0.95rem;
	line-height: 1.5;
}

.contact-notice p { margin: 0; }

.contact-notice--success {
	background: #EEF3F8;
	border-left: 3px solid var(--c-ink-soft);
	color: var(--c-ink);
}

.contact-notice--error {
	background: #FBEFEF;
	border-left: 3px solid #B33A3A;
	color: #6B1F1F;
}

/* Honeypot — visually hidden but not display:none (some bots skip those). */
.contact-form__honeypot {
	position: absolute;
	left: -9999px;
	top: auto;
	width: 1px;
	height: 1px;
	overflow: hidden;
}

/* Form */
.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }

.contact-form__row { display: flex; flex-direction: column; gap: 0.4rem; }

.contact-form__row label {
	font-size: 0.8125rem;
	letter-spacing: 0.04em;
	color: var(--c-text-muted);
	font-weight: 500;
}

.contact-form input,
.contact-form textarea {
	font-family: var(--font-body);
	font-size: 1rem;
	color: var(--c-text);
	background: var(--c-bg);
	border: 1px solid var(--c-border);
	border-radius: 4px;
	padding: 0.75rem 0.875rem;
	transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
	outline: none;
	border-color: var(--c-ink-soft);
	box-shadow: 0 0 0 3px rgba(46, 90, 153, 0.12);
}

.contact-form textarea { resize: vertical; min-height: 140px; }

.contact-form__row--submit {
	flex-direction: row;
	align-items: center;
	gap: 1rem;
	flex-wrap: wrap;
	margin-top: 0.5rem;
}

.button {
	display: inline-block;
	font-family: var(--font-body);
	font-size: 0.95rem;
	font-weight: 500;
	letter-spacing: 0.01em;
	color: var(--c-bg);
	background: var(--c-ink);
	border: 1px solid var(--c-ink);
	padding: 0.75rem 1.75rem;
	border-radius: 4px;
	cursor: pointer;
	transition: background-color 0.2s ease, transform 0.1s ease;
}

.button:hover { background: var(--c-ink-soft); border-color: var(--c-ink-soft); }
.button:active { transform: translateY(1px); }

/* --- Post list (if used) ------------------------------------- */
.post-list { display: flex; flex-direction: column; gap: 2.5rem; }

.post-list__item { padding-bottom: 2rem; border-bottom: 1px solid var(--c-border); }
.post-list__item:last-child { border-bottom: none; }

.post-list__meta {
	font-size: 0.8125rem;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--c-text-subtle);
	margin: 0 0 0.4rem;
}

.post-list__title {
	font-size: 1.5rem;
	margin: 0 0 0.75rem;
}

.post-list__title a { color: var(--c-ink); border-bottom: none; }

/* --- Footer -------------------------------------------------- */
.site-footer {
	border-top: 1px solid var(--c-border);
	padding: var(--space-4) 0;
	background: var(--c-surface);
	color: var(--c-text-muted);
	font-size: 0.875rem;
	margin-top: var(--space-6);
}

.site-footer__inner {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	align-items: center;
	gap: 1.5rem;
}

.site-footer__brand {
	display: flex;
	flex-direction: column;
	gap: 0.15rem;
}

.site-footer__name {
	font-family: var(--font-display);
	font-size: 1rem;
	color: var(--c-ink);
}

.site-footer__tagline {
	font-size: 0.8125rem;
	color: var(--c-text-subtle);
}

.site-footer__menu {
	list-style: none;
	display: flex;
	gap: 1.5rem;
	margin: 0;
	padding: 0;
}

.site-footer__menu a {
	color: var(--c-text-muted);
	border-bottom: none;
	font-size: 0.875rem;
}

.site-footer__menu a:hover { color: var(--c-ink); }

.site-footer__meta {
	display: flex;
	gap: 1rem;
	flex-wrap: wrap;
	align-items: center;
	color: var(--c-text-subtle);
	font-size: 0.8125rem;
}

@media (max-width: 720px) {
	.site-footer__inner { flex-direction: column; align-items: flex-start; }
}