/* ==========================================================================
   DURAN INK — Custom Styles
   Mobile-first. Calligraphy meets code. Ink & Gold.
   ========================================================================== */

/* ---------- CSS Custom Properties ---------- */
:root {
	--di-obsidian: #0A0A0A;
	--di-ink: #000000;
	--di-parchment: #FAFAF7;
	--di-white: #FFFFFF;
	--di-gold: #C9A84C;
	--di-gold-light: #E8D5A0;
	--di-gold-dark: #9A7B2E;
	--di-slate-600: #475569;
	--di-slate-300: #CBD5E1;
	--di-slate-100: #F1F5F9;
	--di-green: #22C55E;
	--di-amber: #F59E0B;
	--di-red: #EF4444;

	--di-font-display: 'Cormorant Garamond', Georgia, serif;
	--di-font-heading: 'Space Grotesk', system-ui, sans-serif;
	--di-font-body: 'Inter', system-ui, sans-serif;
	--di-font-mono: 'JetBrains Mono', monospace;

	--di-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
	--di-radius: 0px;
}

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

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

body {
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	text-rendering: optimizeLegibility;
	overflow-x: hidden;
}

@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	*, *::before, *::after {
		animation-duration: 0.01ms !important;
		transition-duration: 0.01ms !important;
	}
}

/* ---------- Selection ---------- */
::selection {
	background: var(--di-gold);
	color: var(--di-obsidian);
}

/* ---------- Site Header ---------- */
.site-header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 1000;
	background: rgba(250, 250, 247, 0.92);
	backdrop-filter: blur(20px);
	-webkit-backdrop-filter: blur(20px);
	border-bottom: 1px solid rgba(10, 10, 10, 0.06);
	transition: transform var(--di-transition), background var(--di-transition);
}

.site-header.scrolled {
	background: rgba(250, 250, 247, 0.98);
	box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	max-width: 1200px;
	margin: 0 auto;
	padding: 1rem 1.5rem;
	min-height: 64px;
}

.site-brand {
	font-family: var(--di-font-heading);
	font-size: 1.125rem;
	font-weight: 700;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	color: var(--di-obsidian);
	text-decoration: none;
	min-height: 48px;
	display: flex;
	align-items: center;
}

.site-brand span {
	color: var(--di-gold);
}

/* ---------- Desktop Navigation ---------- */
.nav-desktop {
	display: none;
}

.nav-desktop a {
	font-family: var(--di-font-heading);
	font-size: 0.8125rem;
	font-weight: 500;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--di-slate-600);
	text-decoration: none;
	padding: 0.75rem 0;
	min-height: 48px;
	display: flex;
	align-items: center;
	position: relative;
	transition: color var(--di-transition);
}

.nav-desktop a::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	width: 0;
	height: 2px;
	background: var(--di-gold);
	transition: width var(--di-transition);
}

.nav-desktop a:hover,
.nav-desktop a.active {
	color: var(--di-obsidian);
}

.nav-desktop a:hover::after,
.nav-desktop a.active::after {
	width: 100%;
}

@media (min-width: 1024px) {
	.nav-desktop {
		display: flex;
		gap: 2.5rem;
		align-items: center;
	}
	.nav-toggle {
		display: none !important;
	}
}

/* ---------- Mobile Navigation Toggle ---------- */
.nav-toggle {
	display: flex;
	flex-direction: column;
	gap: 5px;
	background: none;
	border: none;
	cursor: pointer;
	padding: 8px;
	min-width: 48px;
	min-height: 48px;
	align-items: center;
	justify-content: center;
	-webkit-tap-highlight-color: transparent;
}

.nav-toggle span {
	display: block;
	width: 24px;
	height: 2px;
	background: var(--di-obsidian);
	transition: transform var(--di-transition), opacity var(--di-transition);
}

.nav-toggle.active span:nth-child(1) {
	transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
	opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
	transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Mobile Navigation Overlay ---------- */
.nav-mobile {
	position: fixed;
	inset: 0;
	z-index: 999;
	background: var(--di-parchment);
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	gap: 0;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.4s ease, visibility 0.4s ease;
}

.nav-mobile.open {
	opacity: 1;
	visibility: visible;
}

.nav-mobile a {
	font-family: var(--di-font-display);
	font-size: 2rem;
	font-weight: 700;
	color: var(--di-obsidian);
	text-decoration: none;
	padding: 0.75rem 2rem;
	opacity: 0;
	transform: translateY(20px);
	transition: opacity 0.4s ease, transform 0.4s ease, color 0.2s ease;
	min-height: 48px;
	display: flex;
	align-items: center;
}

.nav-mobile.open a {
	opacity: 1;
	transform: translateY(0);
}

.nav-mobile.open a:nth-child(1) { transition-delay: 0.1s; }
.nav-mobile.open a:nth-child(2) { transition-delay: 0.15s; }
.nav-mobile.open a:nth-child(3) { transition-delay: 0.2s; }
.nav-mobile.open a:nth-child(4) { transition-delay: 0.25s; }
.nav-mobile.open a:nth-child(5) { transition-delay: 0.3s; }
.nav-mobile.open a:nth-child(6) { transition-delay: 0.35s; }

.nav-mobile a:hover,
.nav-mobile a:focus {
	color: var(--di-gold);
}

.nav-mobile a .nav-label {
	font-family: var(--di-font-mono);
	font-size: 0.6875rem;
	color: var(--di-slate-300);
	display: block;
	margin-top: 0.25rem;
	letter-spacing: 0.04em;
}

/* ---------- Hero Section ---------- */
.hero-section {
	min-height: 100svh;
	display: flex;
	flex-direction: column;
	justify-content: center;
	padding: 6rem 1.5rem 3rem;
	position: relative;
	overflow: hidden;
}

.hero-section::before {
	content: '';
	position: absolute;
	top: 50%;
	right: -20%;
	width: 60vw;
	height: 60vw;
	max-width: 600px;
	max-height: 600px;
	background: radial-gradient(circle, rgba(201, 168, 76, 0.06) 0%, transparent 70%);
	transform: translateY(-50%);
	pointer-events: none;
}

.hero-eyebrow {
	font-family: var(--di-font-mono);
	font-size: 0.75rem;
	font-weight: 400;
	letter-spacing: 0.15em;
	text-transform: uppercase;
	color: var(--di-gold);
	margin-bottom: 1.5rem;
}

.hero-title {
	font-family: var(--di-font-display);
	font-size: clamp(2.5rem, 8vw, 5.5rem);
	font-weight: 700;
	line-height: 1.05;
	letter-spacing: -0.03em;
	color: var(--di-ink);
	margin: 0 0 1.5rem 0;
	max-width: 900px;
}

.hero-title em {
	font-style: italic;
	color: var(--di-gold-dark);
}

.hero-subtitle {
	font-family: var(--di-font-body);
	font-size: clamp(1rem, 2.5vw, 1.25rem);
	font-weight: 400;
	line-height: 1.65;
	color: var(--di-slate-600);
	max-width: 560px;
	margin-bottom: 2.5rem;
}

.hero-cta {
	display: inline-flex;
	align-items: center;
	gap: 0.75rem;
	font-family: var(--di-font-heading);
	font-size: 0.8125rem;
	font-weight: 600;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--di-parchment);
	background: var(--di-obsidian);
	padding: 1.125rem 2.5rem;
	text-decoration: none;
	transition: all var(--di-transition);
	min-height: 48px;
}

.hero-cta:hover {
	background: var(--di-gold);
	color: var(--di-obsidian);
}

.hero-cta svg {
	width: 16px;
	height: 16px;
	transition: transform var(--di-transition);
}

.hero-cta:hover svg {
	transform: translateX(4px);
}

/* ---------- Calligraphy Stroke Decoration ---------- */
.stroke-accent {
	display: inline-block;
	position: relative;
}

.stroke-accent::after {
	content: '';
	position: absolute;
	bottom: -4px;
	left: 0;
	width: 100%;
	height: 3px;
	background: linear-gradient(90deg, var(--di-gold), var(--di-gold-light), transparent);
}

/* ---------- Section Layout ---------- */
.section {
	padding: 4rem 1.5rem;
}

.section-dark {
	background: var(--di-obsidian);
	color: var(--di-parchment);
}

.section-dark h2,
.section-dark h3 {
	color: var(--di-parchment);
}

.section-dark .section-eyebrow {
	color: var(--di-gold);
}

.section-inner {
	max-width: 1200px;
	margin: 0 auto;
}

.section-eyebrow {
	font-family: var(--di-font-mono);
	font-size: 0.6875rem;
	font-weight: 500;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--di-gold);
	margin-bottom: 1rem;
}

.section-title {
	font-family: var(--di-font-display);
	font-size: clamp(2rem, 5vw, 3.5rem);
	font-weight: 700;
	line-height: 1.1;
	letter-spacing: -0.02em;
	margin-bottom: 1rem;
}

.section-subtitle {
	font-family: var(--di-font-body);
	font-size: 1.0625rem;
	color: var(--di-slate-600);
	line-height: 1.65;
	max-width: 560px;
	margin-bottom: 3rem;
}

@media (min-width: 768px) {
	.section {
		padding: 6rem 2rem;
	}
}

@media (min-width: 1024px) {
	.section {
		padding: 8rem 2rem;
	}
}

/* ---------- Pillar Cards (Framework) ---------- */
.pillars-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 1.5rem;
}

@media (min-width: 768px) {
	.pillars-grid {
		grid-template-columns: repeat(3, 1fr);
		gap: 2rem;
	}
}

.pillar-card {
	background: var(--di-white);
	border: 1px solid rgba(10, 10, 10, 0.06);
	padding: 2rem;
	transition: border-color var(--di-transition), box-shadow var(--di-transition);
}

.pillar-card:hover {
	border-color: var(--di-gold-light);
	box-shadow: 0 4px 24px rgba(201, 168, 76, 0.08);
}

.pillar-number {
	font-family: var(--di-font-mono);
	font-size: 0.6875rem;
	color: var(--di-gold);
	letter-spacing: 0.1em;
	margin-bottom: 1rem;
}

.pillar-title {
	font-family: var(--di-font-heading);
	font-size: 1.25rem;
	font-weight: 600;
	margin-bottom: 0.75rem;
	line-height: 1.3;
}

.pillar-desc {
	font-size: 0.9375rem;
	color: var(--di-slate-600);
	line-height: 1.65;
}

.pillar-link {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	font-family: var(--di-font-heading);
	font-size: 0.8125rem;
	font-weight: 600;
	color: var(--di-gold-dark);
	text-decoration: none;
	margin-top: 1.5rem;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	transition: color var(--di-transition);
	min-height: 48px;
	padding: 0.5rem 0;
}

.pillar-link:hover {
	color: var(--di-gold);
}

/* ---------- Dispatch Cards (Knowledge 26) ---------- */
.dispatch-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 1.5rem;
}

@media (min-width: 768px) {
	.dispatch-grid {
		grid-template-columns: repeat(2, 1fr);
		gap: 2rem;
	}
}

.dispatch-card {
	background: var(--di-white);
	border: 1px solid rgba(10, 10, 10, 0.06);
	padding: 2rem;
	transition: all var(--di-transition);
	text-decoration: none;
	color: inherit;
	display: block;
}

.dispatch-card:hover {
	border-color: var(--di-gold);
	transform: translateY(-2px);
	box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
}

.dispatch-tag {
	font-family: var(--di-font-mono);
	font-size: 0.6875rem;
	font-weight: 500;
	color: var(--di-gold);
	letter-spacing: 0.08em;
	text-transform: uppercase;
	margin-bottom: 0.75rem;
}

.dispatch-title {
	font-family: var(--di-font-heading);
	font-size: 1.25rem;
	font-weight: 600;
	line-height: 1.35;
	margin-bottom: 0.75rem;
	color: var(--di-obsidian);
}

.dispatch-excerpt {
	font-size: 0.9375rem;
	color: var(--di-slate-600);
	line-height: 1.65;
	margin-bottom: 1rem;
}

.dispatch-meta {
	font-family: var(--di-font-mono);
	font-size: 0.6875rem;
	color: var(--di-slate-300);
	letter-spacing: 0.04em;
}

.dispatch-featured {
	border-left: 3px solid var(--di-gold);
}

/* ---------- Data Metrics (Intelligence) ---------- */
.metrics-bar {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 1rem;
}

@media (min-width: 768px) {
	.metrics-bar {
		grid-template-columns: repeat(4, 1fr);
	}
}

.metric-item {
	text-align: center;
	padding: 1.5rem 1rem;
}

.metric-value {
	font-family: var(--di-font-mono);
	font-size: clamp(2rem, 4vw, 3rem);
	font-weight: 500;
	color: var(--di-gold);
	line-height: 1;
	margin-bottom: 0.5rem;
}

.metric-label {
	font-family: var(--di-font-heading);
	font-size: 0.75rem;
	font-weight: 500;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--di-slate-300);
}

/* ---------- Footer ---------- */
.site-footer {
	background: var(--di-obsidian);
	color: var(--di-parchment);
	padding: 4rem 1.5rem 2rem;
}

.footer-inner {
	max-width: 1200px;
	margin: 0 auto;
}

.footer-top {
	display: flex;
	flex-direction: column;
	gap: 2rem;
	margin-bottom: 3rem;
}

@media (min-width: 768px) {
	.footer-top {
		flex-direction: row;
		justify-content: space-between;
		align-items: flex-start;
	}
}

.footer-brand {
	font-family: var(--di-font-heading);
	font-size: 1.125rem;
	font-weight: 700;
	letter-spacing: 0.04em;
	text-transform: uppercase;
}

.footer-brand span {
	color: var(--di-gold);
}

.footer-tagline {
	font-family: var(--di-font-display);
	font-size: 1rem;
	font-style: italic;
	color: var(--di-slate-600);
	margin-top: 0.5rem;
}

.footer-nav {
	display: flex;
	flex-wrap: wrap;
	gap: 1.5rem;
}

.footer-nav a {
	font-family: var(--di-font-heading);
	font-size: 0.8125rem;
	font-weight: 500;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--di-slate-600);
	text-decoration: none;
	transition: color var(--di-transition);
	min-height: 48px;
	display: flex;
	align-items: center;
}

.footer-nav a:hover {
	color: var(--di-gold);
}

.footer-bottom {
	border-top: 1px solid rgba(250, 250, 247, 0.08);
	padding-top: 2rem;
	display: flex;
	flex-direction: column;
	gap: 1rem;
	align-items: center;
}

@media (min-width: 768px) {
	.footer-bottom {
		flex-direction: row;
		justify-content: space-between;
	}
}

.footer-copy {
	font-family: var(--di-font-mono);
	font-size: 0.6875rem;
	color: var(--di-slate-600);
	letter-spacing: 0.04em;
}

/* ---------- Operator (About) Section ---------- */
.operator-header {
	display: flex;
	flex-direction: column;
	gap: 2rem;
	margin-bottom: 3rem;
}

@media (min-width: 768px) {
	.operator-header {
		flex-direction: row;
		align-items: center;
		gap: 3rem;
	}
}

.operator-credentials {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	margin-top: 1.5rem;
}

.credential-tag {
	font-family: var(--di-font-mono);
	font-size: 0.6875rem;
	font-weight: 500;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--di-gold-dark);
	background: rgba(201, 168, 76, 0.08);
	padding: 0.5rem 1rem;
	border: 1px solid rgba(201, 168, 76, 0.15);
}

/* ---------- Connect Form ---------- */
.connect-form {
	max-width: 600px;
}

.connect-form input,
.connect-form textarea {
	width: 100%;
	font-family: var(--di-font-body);
	font-size: 1rem;
	padding: 1rem;
	background: var(--di-white);
	border: 1px solid var(--di-slate-300);
	color: var(--di-obsidian);
	transition: border-color var(--di-transition);
	min-height: 48px;
}

.connect-form input:focus,
.connect-form textarea:focus {
	outline: none;
	border-color: var(--di-gold);
}

.connect-form textarea {
	min-height: 150px;
	resize: vertical;
}

/* ---------- Gold Separator ---------- */
.gold-rule {
	width: 60px;
	height: 2px;
	background: var(--di-gold);
	border: none;
	margin: 2rem 0;
}

/* ---------- Page Spacing (account for fixed header) ---------- */
.page-content {
	padding-top: 80px;
}

/* ---------- Utility Classes ---------- */
.text-gold { color: var(--di-gold); }
.text-slate { color: var(--di-slate-600); }
.text-mono { font-family: var(--di-font-mono); }
.text-display { font-family: var(--di-font-display); }
.bg-dark { background: var(--di-obsidian); color: var(--di-parchment); }

/* ---------- Mobile Touch Optimization ---------- */
@media (hover: none) and (pointer: coarse) {
	a, button, .dispatch-card, .pillar-card {
		-webkit-tap-highlight-color: rgba(201, 168, 76, 0.1);
	}

	.nav-desktop a,
	.footer-nav a {
		min-height: 48px;
		display: flex;
		align-items: center;
	}
}

/* ---------- Safe Area (iPhone notch) ---------- */
@supports (padding: env(safe-area-inset-bottom)) {
	.site-footer {
		padding-bottom: calc(2rem + env(safe-area-inset-bottom));
	}

	.header-inner {
		padding-left: max(1.5rem, env(safe-area-inset-left));
		padding-right: max(1.5rem, env(safe-area-inset-right));
	}
}