/* =========================================
   1. VARIABLES & TOKENS
========================================= */
:root {
	/* Color Palette */
	--primary-color: #1a2a4c;
	--secondary-color: #3d5a80;
	--accent-color: #29b6f6;
	--accent-light: rgba(41, 182, 246, 0.15);
	--accent-dark: #0288d1;

	/* Neutral Colors */
	--bg-main: #f8f9fa;
	--bg-card: #ffffff;
	--bg-alt: rgba(248, 249, 250, 0.8);
	--text-main: #343a40;
	--text-muted: #6c757d;
	--text-light: #ffffff;
	--border-light: #e9ecef;

	/* Typography */
	--font-heading: "Outfit", sans-serif;
	--font-body: "Inter", sans-serif;

	/* Layout & Spacing */
	--max-width: 1100px;
	--spacing-sm: clamp(0.5rem, 1.5vw, 1rem);
	--spacing-md: clamp(1rem, 2.5vw, 2rem);
	--spacing-lg: clamp(2rem, 4vw, 3rem);
	--spacing-xl: clamp(3rem, 6vw, 6rem);
	
	/* Radii & Shadows */
	--radius-sm: 8px;
	--radius-md: 12px;
	--radius-lg: 18px;
	--radius-full: 50%;
	
	--shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
	--shadow-md: 0 8px 20px rgba(0, 0, 0, 0.06);
	--shadow-hover: 0 12px 28px rgba(0, 0, 0, 0.12);
	
	/* Transitions */
	--transition-fast: 0.2s ease;
	--transition-normal: 0.3s ease;
}

/* =========================================
   2. BASE & RESET
========================================= */
*, *::before, *::after {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
	font-size: 16px;
}

body {
	font-family: var(--font-body);
	font-weight: 400;
	line-height: 1.6;
	background-color: var(--bg-main);
	color: var(--text-main);
	-webkit-font-smoothing: antialiased;
}

.container {
	width: 90%;
	max-width: var(--max-width);
	margin: 0 auto;
	padding: 0 var(--spacing-sm);
}

a {
	text-decoration: none;
	color: var(--accent-color);
	transition: all var(--transition-normal);
}

a:hover {
	opacity: 0.8;
}

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

ul {
	list-style: none;
}

/* =========================================
   3. TYPOGRAPHY
========================================= */
h1, h2, h3, h4, h5, h6 {
	font-family: var(--font-heading);
	color: var(--primary-color);
	line-height: 1.3;
}

.section h2 {
	text-align: center;
	font-size: clamp(2.2rem, 5vw, 3rem);
	font-weight: 800;
	margin-bottom: var(--spacing-xl);
	position: relative;
	letter-spacing: -0.5px;
}

.section h2::after {
	content: "";
	position: absolute;
	bottom: -20px;
	left: 50%;
	transform: translateX(-50%);
	width: 70px;
	height: 3px;
	background: var(--accent-color);
}

/* =========================================
   4. BUTTONS
========================================= */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	background: var(--primary-color);
	color: var(--text-light);
	padding: 0.8rem 1.5rem;
	border-radius: var(--radius-sm);
	font-weight: 600;
	text-align: center;
	transition: all var(--transition-normal);
	letter-spacing: 0.5px;
	border: 2px solid transparent;
	cursor: pointer;
}

.btn:hover {
	background: var(--accent-color);
	color: var(--text-light);
	transform: translateY(-2px);
}

.btn-secondary {
	background: transparent;
	color: var(--primary-color);
	border-color: var(--primary-color);
}

.btn-secondary:hover {
	background: var(--primary-color);
	color: var(--text-light);
}

/* =========================================
   5. LAYOUT & COMPONENTS
========================================= */

/* Header / Hero */
header {
	background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
	color: var(--text-light);
	padding: var(--spacing-xl) 0;
	text-align: center;
}

header h1 {
	color: var(--text-light);
	font-size: clamp(2.5rem, 6vw, 4.5rem);
	font-weight: 800;
	margin-bottom: var(--spacing-sm);
	letter-spacing: -1px;
}

header p {
	font-size: clamp(1.1rem, 2.5vw, 1.4rem);
	font-weight: 400;
	opacity: 0.95;
	margin-bottom: var(--spacing-lg);
}

.social-links {
	display: flex;
	justify-content: center;
	gap: 1.5rem;
}

.social-links a {
	color: var(--text-light);
	font-size: 1.6rem;
}

.social-links a:hover {
	color: var(--accent-color);
	transform: translateY(-3px);
}

/* Navigation */
nav {
	background-color: rgba(26, 42, 76, 0.95);
	backdrop-filter: blur(5px);
	position: sticky;
	top: 0;
	z-index: 1000;
	border-bottom: 1px solid var(--secondary-color);
}

nav ul {
	display: flex;
	justify-content: center;
	flex-wrap: wrap;
	padding: 0.5rem 0;
	gap: 0.5rem;
}

nav ul li a {
	color: var(--text-light);
	font-weight: 500;
	padding: 0.8rem 1.5rem;
	font-size: 1rem;
	letter-spacing: 0.5px;
	position: relative;
	display: inline-block;
}

nav ul li a::after {
	content: "";
	position: absolute;
	bottom: 5px;
	left: 50%;
	transform: translateX(-50%);
	width: 0;
	height: 2px;
	background-color: var(--accent-color);
	transition: width var(--transition-normal);
}

nav ul li a:hover::after {
	width: 50%;
}

/* Navigation inside Case Study */
.nav-case-study {
	display: flex;
	padding: 1rem 0;
}
.back-link {
	color: var(--text-light);
	font-weight: 500;
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
}
.back-link:hover {
	color: var(--accent-color);
}

/* Sections Base */
.section {
	padding: var(--spacing-xl) 0;
}

/* About Section */
.about-content {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: var(--spacing-lg);
	max-width: 960px;
	margin: 0 auto;
	text-align: center;
}

@media (min-width: 768px) {
	.about-content {
		flex-direction: row;
		text-align: left;
	}
}

.profile-photo {
	width: clamp(200px, 30vw, 280px);
	height: clamp(200px, 30vw, 280px);
	border-radius: var(--radius-full);
	object-fit: cover;
	border: 7px solid var(--bg-card);
	box-shadow: var(--shadow-md);
	flex-shrink: 0;
}

.about-text p {
	font-size: 1.1rem;
	margin-bottom: 1rem;
}

/* Projects Section */
.projects-grid {
	display: grid;
	/* grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
	 */
	 	grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));

	gap: var(--spacing-lg);
}

.project-card {
	background: var(--bg-card);
	border-radius: var(--radius-lg);
	overflow: hidden;
	box-shadow: var(--shadow-md);
	transition: all var(--transition-normal);
	display: flex;
	flex-direction: column;
	height: 100%;
}

.project-card:hover {
	transform: translateY(-6px);
	box-shadow: var(--shadow-hover);
}

.project-image {
	width: 100%;
	aspect-ratio: 16 / 9;
	overflow: hidden;
}

.project-image img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.4s ease;
}

.project-card:hover .project-image img {
	transform: scale(1.05);
}

.project-card-content {
	padding: var(--spacing-md);
	display: flex;
	flex-direction: column;
	flex-grow: 1;
}

.project-card-content h3 {
	font-size: clamp(1.4rem, 2.5vw, 1.8rem);
	margin-bottom: 0.8rem;
}

.project-detail {
	color: var(--text-muted);
	margin-bottom: 1.5rem;
	flex-grow: 1;
}

.tech-stack {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	margin-bottom: 1.5rem;
}

.tech-stack span {
	background: var(--accent-light);
	color: var(--accent-dark);
	padding: 0.4rem 0.8rem;
	border-radius: 30px;
	font-size: 0.85rem;
	font-weight: 600;
}

.project-buttons {
	display: grid;
	grid-template-columns: 1fr;
	gap: 1rem;
	margin-top: auto;
}

/* Skills Section */
.skills-table {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
	gap: var(--spacing-lg);
	background-color: var(--bg-card);
	padding: var(--spacing-lg);
	border-radius: var(--radius-md);
	box-shadow: var(--shadow-md);
}

.skill-column {
	padding: var(--spacing-md);
	background: var(--bg-alt);
	border-radius: var(--radius-sm);
	transition: transform var(--transition-normal);
}

.skill-column:hover {
	transform: translateY(-3px);
}

.skill-header {
	display: flex;
	align-items: center;
	margin-bottom: 1.5rem;
	gap: 1rem;
}

.skill-header i {
	font-size: 2rem;
	color: var(--accent-color);
}

.skill-header h3 {
	font-size: 1.4rem;
}

.skill-list li {
	padding: 0.6rem 0 0.6rem 1.5rem;
	color: var(--text-main);
	border-bottom: 1px solid var(--border-light);
	position: relative;
}

.skill-list li::before {
	content: "›";
	position: absolute;
	left: 0;
	top: 50%;
	transform: translateY(-50%);
	color: var(--accent-color);
	font-weight: 700;
	font-size: 1.2rem;
}

.skill-list li:last-child {
	border-bottom: none;
}

/* Contact Section */
.contact-form {
	max-width: 700px;
	margin: 0 auto;
	background: var(--bg-card);
	padding: var(--spacing-lg);
	border-radius: var(--radius-md);
	box-shadow: var(--shadow-md);
}

@media (max-width: 768px) {
	.contact-form {
		padding: var(--spacing-md) 0;
		background: none;
		box-shadow: none;
	}
}

.contact-form p {
	text-align: center;
	margin-bottom: var(--spacing-md);
	color: var(--text-muted);
}

.form-group {
	margin-bottom: 1.5rem;
}

.contact-form label {
	display: block;
	margin-bottom: 0.5rem;
	font-weight: 500;
	color: var(--text-main);
}

.contact-form input,
.contact-form textarea {
	width: 100%;
	padding: 1rem;
	border: 1px solid var(--border-light);
	border-radius: var(--radius-sm);
	font-family: var(--font-body);
	font-size: 1rem;
	background-color: var(--bg-main);
	transition: all var(--transition-normal);
}

.contact-form input:focus,
.contact-form textarea:focus {
	outline: none;
	border-color: var(--accent-color);
	background-color: var(--bg-card);
	box-shadow: 0 0 0 3px var(--accent-light);
}

.contact-form .btn {
	width: 100%;
	padding: 1rem;
	font-size: 1.1rem;
}

/* =========================================
   6. CASE STUDY TEMPLATE STYLES
========================================= */

.case-study-hero {
	background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
	padding: var(--spacing-xl) 0 var(--spacing-lg);
	text-align: center;
	color: var(--text-light);
}

.hero-stack {
	justify-content: center;
	margin-bottom: 1.5rem;
}
.hero-stack span {
	background: rgba(255, 255, 255, 0.15);
	color: var(--text-light);
}

.case-study-hero h1 {
	font-size: clamp(2.5rem, 5vw, 4rem);
	color: var(--text-light);
	margin-bottom: 1.5rem;
	max-width: 800px;
	margin-inline: auto;
}

.case-study-hero p {
	font-size: 1.2rem;
	opacity: 0.9;
	max-width: 700px;
	margin-inline: auto;
}

.case-study-main {
	padding: var(--spacing-lg) 0;
}

.case-study-section {
	margin-bottom: var(--spacing-xl);
}

.case-study-section h2 {
	font-family: var(--font-heading);
	font-size: 2.2rem;
	color: var(--primary-color);
	margin-bottom: var(--spacing-lg);
	text-align: center;
}

.image-gallery {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: var(--spacing-md);
}

.gallery-item {
	border-radius: var(--radius-md);
	overflow: hidden;
	box-shadow: var(--shadow-sm);
}
.gallery-item img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.3s;
}
.gallery-item:hover img {
	transform: scale(1.02);
}
.gallery-item.large {
	grid-column: 1 / -1;
}

.breakdown-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(min(100%, 350px), 1fr));
	gap: var(--spacing-md);
}

.breakdown-card {
	background: var(--bg-card);
	padding: var(--spacing-lg);
	border-radius: var(--radius-md);
	box-shadow: var(--shadow-md);
	border-top: 4px solid var(--accent-color);
}

.breakdown-card h3 {
	font-size: 1.4rem;
	margin-bottom: 1rem;
	display: flex;
	align-items: center;
	gap: 0.8rem;
	color: var(--primary-color);
}
.breakdown-card h3 i {
	color: var(--accent-color);
}
.breakdown-card p {
	color: var(--text-muted);
}

.case-study-footer {
	text-align: center;
	padding: var(--spacing-lg) 0;
	border-top: 1px solid var(--border-light);
}

/* Footer */
footer {
	background: var(--primary-color);
	color: var(--text-light);
	text-align: center;
	padding: var(--spacing-lg) 0;
}

footer p {
	opacity: 0.8;
}



/* =========================================
PROJECTS SECTION
========================================= */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

/* PROJECT CARD */

.project-card {
    background: #ffffff;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0,0,0,0.06);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 28px rgba(0,0,0,0.12);
}

/* PROJECT IMAGE */

.project-image {
    width: 100%;
    height: 240px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.03);
}

/* PROJECT CONTENT */

.project-card-content {
    padding: 1.8rem;
}

.project-card-content h3 {
    font-size: 2rem;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: #1d2d5a;
}

.project-card-content p {
    font-size: 1rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 1.5rem;
}

/* TECH STACK TAGS */

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
    margin-bottom: 1.8rem;
}

.tech-stack span {
    background: #f1f4f9;
    color: #1d2d5a;
    padding: 0.45rem 0.9rem;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
}

/* BUTTONS */

.project-buttons {
    display: flex;
    gap: 1rem;
}

.project-buttons .btn {
    flex: 1;
    text-align: center;
}

/* SECONDARY BUTTON */

.btn-secondary {
    background: transparent;
    border: 2px solid #1d2d5a;
    color: #1d2d5a;
}

.btn-secondary:hover {
    background: #1d2d5a;
    color: #ffffff;
}

/* MOBILE RESPONSIVENESS */

@media (max-width: 768px) {

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .project-buttons {
        flex-direction: column;
    }

    .project-card-content h3 {
        font-size: 1.6rem;
    }

}