/* ==========================================================================
   Indrajit Karmakar Cybersecurity Theme - Main Design System
   ========================================================================== */

/* 1. Reset & Global Base Styles */
*, *::before, *::after {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

html {
	font-size: 16px;
	scroll-behavior: smooth;
	-webkit-text-size-adjust: 100%;
}

body.ik-cyber-theme {
	background-color: var(--ik-bg);
	color: var(--ik-text);
	font-family: var(--ik-font-sans);
	font-size: 1rem;
	line-height: 1.65;
	font-weight: 400;
	overflow-x: hidden;
	transition: background-color var(--ik-transition-normal), color var(--ik-transition-normal);
}

/* Typography Defaults */
h1, h2, h3, h4, h5, h6 {
	color: var(--ik-text);
	font-weight: 700;
	line-height: 1.25;
	margin-bottom: 0.75rem;
	letter-spacing: -0.02em;
}

h1 { font-size: 2.75rem; }
h2 { font-size: 2.15rem; }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.15rem; }

p {
	margin-bottom: 1.25rem;
	color: var(--ik-text-secondary);
}

a {
	color: var(--ik-primary);
	text-decoration: none;
	transition: color var(--ik-transition-fast), border-color var(--ik-transition-fast), opacity var(--ik-transition-fast);
}

a:hover, a:focus {
	color: var(--ik-primary-hover);
}

ul, ol {
	list-style: none;
}

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

code, pre {
	font-family: var(--ik-font-mono);
}

/* Accessibility Skip Link */
.skip-link {
	position: absolute;
	top: -100px;
	left: 1rem;
	background: var(--ik-primary);
	color: #000;
	padding: 0.5rem 1rem;
	z-index: 99999;
	font-weight: 600;
	transition: top 0.2s ease;
}
.skip-link:focus {
	top: 1rem;
}

/* Screen Reader Text */
.screen-reader-text {
	border: 0;
	clip: rect(1px, 1px, 1px, 1px);
	clip-path: inset(50%);
	height: 1px;
	margin: -1px;
	overflow: hidden;
	padding: 0;
	position: absolute;
	width: 1px;
	word-wrap: normal !important;
}

/* 2. Layout Containers */
.ik-container {
	width: 100%;
	max-width: var(--ik-container-width);
	margin-left: auto;
	margin-right: auto;
	padding-left: 1.5rem;
	padding-right: 1.5rem;
}

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

.ik-section {
	padding-top: 5.5rem;
	padding-bottom: 5.5rem;
	position: relative;
}

.ik-section-header {
	margin-bottom: 3.5rem;
}

.ik-section-header-flex {
	display: flex;
	justify-content: space-between;
	align-items: flex-end;
	flex-wrap: wrap;
	gap: 1.5rem;
}

.ik-section-badge {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	margin-bottom: 0.75rem;
}

.ik-badge-line {
	display: inline-block;
	width: 28px;
	height: 2px;
	background: var(--ik-primary);
}

.ik-badge-text {
	font-size: 0.8rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.12em;
	color: var(--ik-primary);
	font-family: var(--ik-font-mono);
}

.ik-section-title {
	font-size: 2.25rem;
	font-weight: 800;
}

.ik-section-title-row {
	display: flex;
	justify-content: space-between;
	align-items: flex-end;
	gap: 2rem;
	flex-wrap: wrap;
}

.ik-section-description {
	max-width: 540px;
	font-size: 1.05rem;
	color: var(--ik-text-muted);
	margin-bottom: 0;
}

.ik-highlight-cyan {
	color: var(--ik-primary);
	text-shadow: 0 0 20px var(--ik-primary-glow);
}

/* 3. Buttons & Badges */
.ik-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.6rem;
	padding: 0.75rem 1.6rem;
	border-radius: var(--ik-radius-sm);
	font-size: 0.95rem;
	font-weight: 600;
	cursor: pointer;
	border: 1px solid transparent;
	transition: all var(--ik-transition-normal);
	white-space: nowrap;
	text-decoration: none;
}

.ik-btn-primary {
	background: var(--ik-primary);
	color: #020817;
	box-shadow: 0 0 16px var(--ik-primary-glow);
}

.ik-btn-primary:hover {
	background: var(--ik-primary-hover);
	color: #000;
	transform: translateY(-2px);
	box-shadow: 0 0 24px rgba(0, 217, 255, 0.55);
}

.ik-btn-secondary {
	background: var(--ik-card);
	color: var(--ik-text);
	border: 1px solid var(--ik-border);
}

.ik-btn-secondary:hover {
	background: var(--ik-card-hover);
	border-color: var(--ik-primary);
	color: var(--ik-primary);
	transform: translateY(-2px);
}

.ik-btn-primary-outline {
	background: transparent;
	color: var(--ik-primary);
	border: 1px solid var(--ik-primary);
}

.ik-btn-primary-outline:hover {
	background: var(--ik-primary);
	color: #020817;
	box-shadow: 0 0 16px var(--ik-primary-glow);
}

.ik-btn-outline-sm {
	padding: 0.5rem 1rem;
	font-size: 0.85rem;
	border-radius: var(--ik-radius-sm);
	border: 1px solid var(--ik-border);
	color: var(--ik-primary);
	background: var(--ik-card);
}

.ik-btn-outline-sm:hover {
	background: var(--ik-primary);
	color: #020817;
	border-color: var(--ik-primary);
}

.ik-btn-lg {
	padding: 0.9rem 2.2rem;
	font-size: 1.05rem;
}

.ik-btn-block {
	width: 100%;
}

.ik-badge-pill {
	display: inline-block;
	padding: 0.25rem 0.65rem;
	border-radius: var(--ik-radius-full);
	font-size: 0.75rem;
	font-weight: 600;
	font-family: var(--ik-font-mono);
	background: rgba(0, 217, 255, 0.12);
	color: var(--ik-primary);
	border: 1px solid rgba(0, 217, 255, 0.25);
}

/* 4. Header & Navigation */
.ik-header {
	position: sticky;
	top: 0;
	left: 0;
	right: 0;
	z-index: 1000;
	background: var(--ik-header-bg);
	backdrop-filter: blur(14px);
	-webkit-backdrop-filter: blur(14px);
	border-bottom: 1px solid var(--ik-header-border);
	transition: all var(--ik-transition-normal);
}

.ik-header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 74px;
}

/* Brand Logo */
.ik-brand-link {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	text-decoration: none;
}

.ik-logo-icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 38px;
	height: 38px;
	border-radius: var(--ik-radius-sm);
	background: linear-gradient(135deg, #00d9ff 0%, #0066ff 100%);
	color: #ffffff;
	font-weight: 900;
	font-size: 1.1rem;
	letter-spacing: -0.05em;
	box-shadow: 0 0 14px var(--ik-primary-glow);
}

.ik-brand-text {
	font-size: 1.15rem;
	font-weight: 700;
	color: var(--ik-text);
	letter-spacing: -0.01em;
}

/* Primary Navigation */
.ik-menu-list {
	display: flex;
	align-items: center;
	gap: 1.75rem;
}

.ik-menu-list li a {
	color: var(--ik-text-secondary);
	font-size: 0.92rem;
	font-weight: 500;
	position: relative;
	padding: 0.4rem 0;
	transition: color var(--ik-transition-fast);
}

.ik-menu-list li a:hover,
.ik-menu-list li.current-menu-item > a {
	color: var(--ik-primary);
}

.ik-menu-list li.current-menu-item > a::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	height: 2px;
	background: var(--ik-primary);
	box-shadow: 0 0 8px var(--ik-primary-glow);
}

/* Header Actions */
.ik-header-actions {
	display: flex;
	align-items: center;
	gap: 1rem;
}

.ik-theme-toggle {
	background: var(--ik-card);
	border: 1px solid var(--ik-border);
	color: var(--ik-primary);
	width: 38px;
	height: 38px;
	border-radius: var(--ik-radius-full);
	display: inline-flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	transition: all var(--ik-transition-fast);
}

.ik-theme-toggle:hover {
	border-color: var(--ik-primary);
	transform: scale(1.05);
}

[data-theme="dark"] .ik-toggle-sun { display: inline-flex; }
[data-theme="dark"] .ik-toggle-moon { display: none; }
[data-theme="light"] .ik-toggle-sun { display: none; }
[data-theme="light"] .ik-toggle-moon { display: inline-flex; }

.ik-btn-header {
	padding: 0.55rem 1.15rem;
	font-size: 0.88rem;
}

/* Mobile Toggle Hamburger */
.ik-mobile-toggle {
	display: none;
	flex-direction: column;
	justify-content: space-between;
	width: 32px;
	height: 22px;
	background: transparent;
	border: none;
	cursor: pointer;
	padding: 0;
}

.ik-hamburger-line {
	width: 100%;
	height: 2px;
	background-color: var(--ik-text);
	transition: all var(--ik-transition-fast);
}

/* Mobile Menu Drawer - True Fullscreen Overlay without horizontal overflow or dual scroll */
.ik-mobile-drawer {
	position: fixed;
	inset: 0;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	width: 100vw;
	height: 100vh;
	height: 100dvh;
	background: rgba(2, 8, 23, 0.98);
	backdrop-filter: blur(24px);
	-webkit-backdrop-filter: blur(24px);
	z-index: 999999;
	display: flex;
	flex-direction: column;
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
	transform: translateX(100%);
	transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease, visibility 0.32s;
}

.ik-mobile-drawer.active {
	opacity: 1;
	visibility: visible;
	pointer-events: auto;
	transform: translateX(0);
}

html.ik-menu-locked,
body.ik-menu-locked {
	overflow: hidden !important;
	touch-action: none;
}

.ik-mobile-drawer-inner {
	display: flex;
	flex-direction: column;
	height: 100%;
	width: 100%;
	max-width: 100vw;
	padding: 1.5rem;
	overflow-y: auto;
	-webkit-overflow-scrolling: touch;
	box-sizing: border-box;
}

.ik-mobile-drawer-header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: 2rem;
	padding-bottom: 1rem;
	border-bottom: 1px solid var(--ik-border-subtle);
}

.ik-mobile-close {
	background: transparent;
	border: none;
	color: var(--ik-text);
	font-size: 2.2rem;
	cursor: pointer;
	line-height: 1;
}

.ik-mobile-menu-list {
	display: flex;
	flex-direction: column;
	gap: 1.25rem;
}

.ik-mobile-menu-list li a {
	font-size: 1.2rem;
	font-weight: 600;
	color: var(--ik-text);
	display: block;
	padding: 0.5rem 0;
}

.ik-mobile-menu-list li a:hover {
	color: var(--ik-primary);
}

.ik-mobile-drawer-footer {
	margin-top: auto;
	padding-top: 2rem;
}

/* 5. Hero Section */
.ik-hero-section {
	padding-top: 4.5rem;
	padding-bottom: 5.5rem;
	position: relative;
	overflow: hidden;
}

.ik-hero-bg-glow {
	position: absolute;
	top: 10%;
	right: 5%;
	width: 500px;
	height: 500px;
	background: radial-gradient(circle, rgba(0, 217, 255, 0.12) 0%, rgba(2, 8, 23, 0) 70%);
	pointer-events: none;
	z-index: 0;
}

.ik-hero-container {
	position: relative;
	z-index: 1;
}

.ik-hero-grid {
	display: grid;
	grid-template-columns: 1.05fr 0.95fr;
	align-items: center;
	gap: 3.5rem;
}

.ik-hero-badge {
	display: inline-flex;
	align-items: center;
	gap: 0.6rem;
	margin-bottom: 1.25rem;
}

.ik-hero-title {
	font-size: 3.75rem;
	font-weight: 900;
	line-height: 1.08;
	margin-bottom: 1.25rem;
	letter-spacing: -0.03em;
}

.ik-hero-subtitle {
	font-size: 1.35rem;
	font-weight: 600;
	color: var(--ik-text-secondary);
	margin-bottom: 1rem;
}

.ik-hero-desc {
	font-size: 1.05rem;
	color: var(--ik-text-muted);
	max-width: 520px;
	margin-bottom: 2rem;
}

.ik-hero-actions {
	display: flex;
	gap: 1rem;
	margin-bottom: 2.25rem;
	flex-wrap: wrap;
}

.ik-hero-socials {
	display: flex;
	align-items: center;
	gap: 0.85rem;
}

.ik-social-icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 38px;
	height: 38px;
	border-radius: var(--ik-radius-full);
	background: var(--ik-card);
	border: 1px solid var(--ik-border);
	color: var(--ik-text-secondary);
	transition: all var(--ik-transition-fast);
}

.ik-social-icon:hover {
	border-color: var(--ik-primary);
	color: var(--ik-primary);
	transform: translateY(-3px);
	box-shadow: 0 0 12px var(--ik-primary-glow);
}

/* Hero Terminal Visual */
.ik-hero-visual-wrapper {
	position: relative;
}

.ik-terminal-card {
	background: rgba(7, 21, 38, 0.95);
	backdrop-filter: blur(12px);
	border: 1px solid var(--ik-card-border);
	border-radius: var(--ik-radius-md);
	box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 217, 255, 0.15);
	overflow: hidden;
	position: relative;
}

.ik-terminal-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 0.65rem 1rem;
	background: rgba(3, 11, 20, 0.9);
	border-bottom: 1px solid var(--ik-border-subtle);
}

.ik-terminal-controls {
	display: flex;
	gap: 6px;
}

.ik-term-dot {
	width: 10px;
	height: 10px;
	border-radius: 50%;
}
.ik-dot-red { background: #ff5f56; }
.ik-dot-yellow { background: #ffbd2e; }
.ik-dot-green { background: #27c93f; }

.ik-terminal-title {
	font-family: var(--ik-font-mono);
	font-size: 0.8rem;
	color: var(--ik-text-dim);
}

.ik-terminal-actions {
	display: flex;
	gap: 8px;
	color: var(--ik-text-dim);
	font-size: 0.8rem;
}

.ik-terminal-body {
	padding: 1.5rem;
	font-family: var(--ik-font-mono);
	font-size: 0.88rem;
	line-height: 1.7;
	color: var(--ik-text-secondary);
}

.ik-term-line {
	margin-bottom: 0.35rem;
}

.ik-term-prompt {
	color: var(--ik-primary);
	font-weight: 700;
}

.ik-term-cmd {
	color: var(--ik-text);
}

.ik-term-output {
	margin-bottom: 1.15rem;
	padding-left: 0.75rem;
}

.ik-text-green {
	color: var(--ik-accent-green);
}

.ik-goals-list div {
	color: var(--ik-text-muted);
}

.ik-quote-output {
	color: var(--ik-primary);
	font-style: italic;
}

.ik-term-active-line {
	margin-top: 1rem;
}

.ik-term-user {
	color: var(--ik-accent-green);
}

.ik-cursor {
	color: var(--ik-primary);
	animation: ik-blink 1s infinite;
}

@keyframes ik-blink {
	0%, 50% { opacity: 1; }
	51%, 100% { opacity: 0; }
}

.ik-terminal-pipeline {
	position: absolute;
	right: 1rem;
	bottom: 1.5rem;
	display: flex;
	flex-direction: column;
	gap: 0.35rem;
	font-family: var(--ik-font-mono);
	font-size: 0.72rem;
	color: var(--ik-text-dim);
	opacity: 0.8;
}

.ik-pipe-item {
	letter-spacing: 0.05em;
}

/* Scroll Down Indicator */
.ik-scroll-indicator {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 0.5rem;
	margin-top: 3.5rem;
}

.ik-scroll-mouse {
	width: 24px;
	height: 38px;
	border: 2px solid var(--ik-primary);
	border-radius: 12px;
	display: flex;
	justify-content: center;
	padding-top: 6px;
}

.ik-mouse-wheel {
	width: 4px;
	height: 8px;
	background: var(--ik-primary);
	border-radius: 2px;
	animation: ik-scroll-wheel 1.6s infinite ease-in-out;
}

@keyframes ik-scroll-wheel {
	0% { transform: translateY(0); opacity: 1; }
	100% { transform: translateY(12px); opacity: 0; }
}

.ik-scroll-label {
	font-size: 0.72rem;
	font-weight: 700;
	letter-spacing: 0.15em;
	color: var(--ik-primary);
	font-family: var(--ik-font-mono);
}

/* 6. Card Grids & Service Cards */
.ik-cards-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 1.5rem;
}

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

.ik-card {
	background: var(--ik-card);
	border: 1px solid var(--ik-card-border);
	border-radius: var(--ik-radius-md);
	padding: 1.75rem;
	display: flex;
	flex-direction: column;
	position: relative;
	transition: all var(--ik-transition-normal);
}

.ik-card:hover {
	background: var(--ik-card-hover);
	border-color: var(--ik-card-border-hover);
	transform: translateY(-4px);
	box-shadow: 0 12px 28px rgba(0, 0, 0, 0.5), 0 0 20px var(--ik-primary-glow);
}

.ik-card-icon-wrapper {
	width: 58px;
	height: 58px;
	border-radius: var(--ik-radius-sm);
	background: rgba(0, 217, 255, 0.08);
	border: 1px solid var(--ik-border);
	display: inline-flex;
	align-items: center;
	justify-content: center;
	color: var(--ik-primary);
	margin-bottom: 1.25rem;
}

.ik-card-title {
	font-size: 1.2rem;
	font-weight: 700;
	margin-bottom: 0.75rem;
}

.ik-card-text {
	font-size: 0.92rem;
	color: var(--ik-text-muted);
	margin-bottom: 1.5rem;
	flex-grow: 1;
}

.ik-card-link {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	font-size: 0.88rem;
	font-weight: 600;
	color: var(--ik-primary);
	margin-top: auto;
}

.ik-card-link:hover {
	gap: 0.65rem;
}

/* 7. Core Values */
.ik-values-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 1.5rem;
}

.ik-value-card {
	background: var(--ik-card);
	border: 1px solid var(--ik-border-subtle);
	border-radius: var(--ik-radius-md);
	padding: 1.5rem;
	transition: all var(--ik-transition-fast);
}

.ik-value-card:hover {
	border-color: var(--ik-border);
	transform: translateY(-3px);
}

.ik-value-icon {
	color: var(--ik-primary);
	margin-bottom: 1rem;
}

.ik-value-title {
	font-size: 1.1rem;
	margin-bottom: 0.5rem;
}

.ik-value-desc {
	font-size: 0.88rem;
	color: var(--ik-text-muted);
	margin-bottom: 0;
}

/* 8. About / Profile Section */
.ik-about-grid {
	display: grid;
	grid-template-columns: 1.1fr 0.9fr;
	gap: 3.5rem;
	align-items: center;
}

.ik-about-title {
	margin-bottom: 1.25rem;
}

.ik-about-bio-text {
	font-size: 1.02rem;
	color: var(--ik-text-secondary);
	margin-bottom: 2rem;
}

.ik-stats-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 1.25rem;
	margin-bottom: 2.25rem;
}

.ik-stat-item {
	display: flex;
	align-items: center;
	gap: 1rem;
	background: var(--ik-card);
	border: 1px solid var(--ik-border-subtle);
	border-radius: var(--ik-radius-sm);
	padding: 1rem;
}

.ik-stat-icon {
	color: var(--ik-primary);
}

.ik-stat-number {
	display: block;
	font-size: 1.4rem;
	font-weight: 800;
	color: var(--ik-text);
	line-height: 1.1;
}

.ik-stat-label {
	font-size: 0.8rem;
	color: var(--ik-text-muted);
}

.ik-skills-heading {
	font-size: 1.1rem;
	margin-bottom: 1rem;
}

.ik-skills-tags {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
}

.ik-skill-tag {
	background: var(--ik-card);
	border: 1px solid var(--ik-border);
	color: var(--ik-text-secondary);
	padding: 0.35rem 0.85rem;
	border-radius: var(--ik-radius-sm);
	font-size: 0.82rem;
	font-weight: 500;
	font-family: var(--ik-font-mono);
	transition: all var(--ik-transition-fast);
}

.ik-skill-tag:hover {
	border-color: var(--ik-primary);
	color: var(--ik-primary);
}

/* Profile Card */
.ik-profile-card {
	background: var(--ik-card);
	border: 1px solid var(--ik-border);
	border-radius: var(--ik-radius-lg);
	padding: 2rem;
	text-align: center;
	box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
}

.ik-profile-image-box {
	width: 180px;
	height: 180px;
	margin: 0 auto 1.5rem;
	border-radius: 50%;
	border: 3px solid var(--ik-primary);
	padding: 6px;
	background: radial-gradient(circle, rgba(0, 217, 255, 0.2) 0%, transparent 70%);
	overflow: hidden;
}

.ik-profile-img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	border-radius: 50%;
}

.ik-profile-placeholder {
	width: 100%;
	height: 100%;
	border-radius: 50%;
	background: var(--ik-bg-secondary);
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--ik-primary);
}

.ik-quote-text {
	font-size: 1.15rem;
	font-style: italic;
	color: var(--ik-text);
	margin-bottom: 0.5rem;
}

.ik-quote-cite {
	font-size: 0.88rem;
	color: var(--ik-primary);
	font-family: var(--ik-font-mono);
}

/* 9. Courses Section */
.ik-course-card {
	padding: 0;
	overflow: hidden;
}

.ik-course-media {
	position: relative;
	height: 170px;
	background: var(--ik-bg-secondary);
	overflow: hidden;
}

.ik-course-media .ik-card-img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform var(--ik-transition-normal);
}

.ik-course-card:hover .ik-card-img {
	transform: scale(1.05);
}

.ik-course-thumb-fallback {
	width: 100%;
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--ik-primary);
	background: radial-gradient(circle, rgba(0, 217, 255, 0.15) 0%, var(--ik-bg-secondary) 80%);
}

.ik-course-badges {
	position: absolute;
	top: 0.75rem;
	left: 0.75rem;
	display: flex;
	gap: 0.4rem;
}

.ik-course-body {
	padding: 1.5rem;
	display: flex;
	flex-direction: column;
	flex-grow: 1;
}

.ik-course-footer {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-top: auto;
	padding-top: 1rem;
	border-top: 1px solid var(--ik-border-subtle);
}

.ik-course-price {
	font-family: var(--ik-font-mono);
	font-weight: 700;
	color: var(--ik-primary);
	font-size: 0.95rem;
}

/* 10. Projects Section */
.ik-project-filters {
	display: flex;
	gap: 0.5rem;
	flex-wrap: wrap;
	margin-bottom: 2.5rem;
}

.ik-filter-btn {
	background: var(--ik-card);
	border: 1px solid var(--ik-border-subtle);
	color: var(--ik-text-secondary);
	padding: 0.45rem 1.1rem;
	border-radius: var(--ik-radius-full);
	font-size: 0.85rem;
	font-weight: 600;
	cursor: pointer;
	transition: all var(--ik-transition-fast);
}

.ik-filter-btn:hover,
.ik-filter-btn.active {
	background: var(--ik-primary);
	color: #020817;
	border-color: var(--ik-primary);
}

.ik-project-tech-badges {
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem;
	margin-bottom: 1rem;
}

.ik-tech-badge {
	font-family: var(--ik-font-mono);
	font-size: 0.72rem;
	padding: 0.2rem 0.55rem;
	border-radius: var(--ik-radius-sm);
	background: var(--ik-bg-secondary);
	color: var(--ik-text-muted);
	border: 1px solid var(--ik-border-subtle);
}

.ik-project-footer {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-top: auto;
	padding-top: 1.25rem;
	border-top: 1px solid var(--ik-border-subtle);
}

.ik-project-github-link {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	font-size: 0.85rem;
	color: var(--ik-text-muted);
}

.ik-project-github-link:hover {
	color: var(--ik-primary);
}

/* 11. Research & Blog Section */
.ik-research-card,
.ik-blog-card {
	padding: 0;
	overflow: hidden;
}

.ik-card-media {
	height: 180px;
	position: relative;
	background: var(--ik-bg-secondary);
	overflow: hidden;
}

.ik-card-media .ik-card-img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform var(--ik-transition-normal);
}

.ik-research-card:hover .ik-card-img,
.ik-blog-card:hover .ik-card-img {
	transform: scale(1.05);
}

.ik-card-thumb-fallback {
	width: 100%;
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--ik-primary);
	background: radial-gradient(circle, rgba(0, 217, 255, 0.12) 0%, var(--ik-bg-secondary) 80%);
}

.ik-badge-advisory {
	position: absolute;
	top: 0.75rem;
	right: 0.75rem;
}

.ik-card-body {
	padding: 1.5rem;
	display: flex;
	flex-direction: column;
	flex-grow: 1;
}

.ik-post-date {
	font-family: var(--ik-font-mono);
	font-size: 0.78rem;
	color: var(--ik-text-muted);
	margin-bottom: 0.5rem;
}

.ik-card-footer {
	margin-top: auto;
	padding-top: 1rem;
	border-top: 1px solid var(--ik-border-subtle);
}

/* 12. Contact Section */
.ik-contact-grid {
	display: grid;
	grid-template-columns: 0.9fr 1.1fr;
	gap: 3.5rem;
}

.ik-contact-desc {
	margin-bottom: 2rem;
	font-size: 1.02rem;
}

.ik-contact-cards-list {
	display: flex;
	flex-direction: column;
	gap: 1rem;
	margin-bottom: 2rem;
}

.ik-contact-info-item {
	display: flex;
	align-items: center;
	gap: 1rem;
	background: var(--ik-card);
	border: 1px solid var(--ik-border-subtle);
	border-radius: var(--ik-radius-sm);
	padding: 1rem 1.25rem;
}

.ik-contact-info-icon {
	color: var(--ik-primary);
}

.ik-info-label {
	display: block;
	font-size: 0.78rem;
	color: var(--ik-text-muted);
	text-transform: uppercase;
	letter-spacing: 0.05em;
}

.ik-info-value {
	font-size: 0.95rem;
	font-weight: 600;
	color: var(--ik-text);
}

/* Contact Form */
.ik-form-card {
	background: var(--ik-card);
	border: 1px solid var(--ik-border);
	border-radius: var(--ik-radius-md);
	padding: 2.25rem;
	box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.ik-form-group {
	margin-bottom: 1.25rem;
}

.ik-form-label {
	display: block;
	font-size: 0.85rem;
	font-weight: 600;
	margin-bottom: 0.45rem;
	color: var(--ik-text-secondary);
}

.ik-form-input,
.ik-form-textarea {
	width: 100%;
	background: var(--ik-bg-secondary);
	border: 1px solid var(--ik-border-subtle);
	border-radius: var(--ik-radius-sm);
	padding: 0.75rem 1rem;
	color: var(--ik-text);
	font-family: inherit;
	font-size: 0.95rem;
	transition: all var(--ik-transition-fast);
}

.ik-form-input:focus,
.ik-form-textarea:focus {
	outline: none;
	border-color: var(--ik-primary);
	box-shadow: 0 0 12px var(--ik-primary-glow);
}

/* 13. CTA Section */
.ik-cta-card {
	background: linear-gradient(135deg, #071526 0%, #030b14 100%);
	border: 1px solid var(--ik-border);
	border-radius: var(--ik-radius-lg);
	padding: 4rem 2rem;
	text-align: center;
	position: relative;
	overflow: hidden;
	box-shadow: 0 0 30px rgba(0, 217, 255, 0.12);
}

.ik-cta-title {
	font-size: 2.5rem;
	margin-bottom: 1rem;
}

.ik-cta-desc {
	max-width: 600px;
	margin: 0 auto 2rem;
	font-size: 1.1rem;
	color: var(--ik-text-secondary);
}

/* 14. Footer */
.ik-footer {
	background: var(--ik-bg-secondary);
	border-top: 1px solid var(--ik-header-border);
	padding-top: 4.5rem;
}

.ik-footer-grid {
	display: grid;
	grid-template-columns: 1.4fr 1fr 1.2fr;
	gap: 3.5rem;
	padding-bottom: 3.5rem;
}

.ik-footer-heading {
	font-size: 1.05rem;
	margin-bottom: 1.25rem;
	color: var(--ik-text);
}

.ik-footer-bio-text {
	font-size: 0.92rem;
	color: var(--ik-text-muted);
	margin-top: 1rem;
	margin-bottom: 1.5rem;
}

.ik-footer-links-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1rem;
}

.ik-footer-nav-list li {
	margin-bottom: 0.65rem;
}

.ik-footer-nav-list li a {
	color: var(--ik-text-muted);
	font-size: 0.9rem;
}

.ik-footer-nav-list li a:hover {
	color: var(--ik-primary);
}

.ik-footer-newsletter-desc {
	font-size: 0.88rem;
	color: var(--ik-text-muted);
	margin-bottom: 1rem;
}

.ik-newsletter-input-group {
	display: flex;
	background: var(--ik-bg);
	border: 1px solid var(--ik-border);
	border-radius: var(--ik-radius-sm);
	overflow: hidden;
}

.ik-newsletter-input {
	flex-grow: 1;
	background: transparent;
	border: none;
	padding: 0.75rem 1rem;
	color: var(--ik-text);
	font-size: 0.9rem;
}

.ik-newsletter-input:focus {
	outline: none;
}

.ik-newsletter-btn {
	background: var(--ik-primary);
	border: none;
	color: #020817;
	padding: 0 1.25rem;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: background var(--ik-transition-fast);
}

.ik-newsletter-btn:hover {
	background: var(--ik-primary-hover);
}

.ik-footer-bottom {
	border-top: 1px solid var(--ik-border-subtle);
	padding: 1.5rem 0;
}

.ik-footer-bottom-inner {
	display: flex;
	justify-content: space-between;
	align-items: center;
	flex-wrap: wrap;
	gap: 1rem;
	font-size: 0.85rem;
	color: var(--ik-text-dim);
}

.ik-footer-bottom-inner p {
	margin-bottom: 0;
	color: var(--ik-text-dim);
}

.ik-footer-legal a {
	color: var(--ik-text-dim);
}

.ik-footer-legal a:hover {
	color: var(--ik-primary);
}

.ik-dot-sep {
	margin: 0 0.5rem;
}