/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Space+Mono:wght@400;700&display=swap');

:root {
    /* Color Palette - HSL for easy manipulation */
    --hue-primary: 250;
    /* Deep Purple/Blue */
    --hue-accent: 160;
    /* Cyan/Green Mint */

    /* Light Theme Defaults */
    --color-bg: hsl(var(--hue-primary), 20%, 96%);
    --color-surface: hsl(255, 100%, 100%);
    --color-surface-glass: hsla(255, 100%, 100%, 0.85);
    --color-text: hsl(var(--hue-primary), 60%, 5%);
    --color-text-muted: hsl(var(--hue-primary), 20%, 30%);
    --color-primary: hsl(var(--hue-primary), 80%, 60%);
    --color-accent: hsl(var(--hue-accent), 100%, 30%);
    --color-border: hsl(var(--hue-primary), 20%, 80%);

    --shadow-sm: 0 4px 6px -1px rgb(0 0 0 / 0.05);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.05);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.05);
    --shadow-glow: 0 0 20px hsla(var(--hue-accent), 70%, 50%, 0.15);

    /* Spacing & Radii */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-full: 9999px;

    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease-in-out;
}

[data-theme="dark"] {
    /* Dark Theme Overrides */
    --color-bg: #000000;
    --color-surface: #0a0a0a;
    --color-surface-glass: rgba(10, 10, 10, 0.9);
    --color-text: #e0e0e0;
    --color-text-muted: #888888;
    --color-primary: hsl(var(--hue-primary), 70%, 65%);
    --color-accent: hsl(var(--hue-accent), 70%, 55%);
    --color-border: #222222;

    --shadow-sm: 0 4px 6px -1px rgb(0 0 0 / 0.5);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.5);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.5);
    --shadow-glow: 0 0 25px hsla(var(--hue-accent), 70%, 60%, 0.2);
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    transition: background-color var(--transition-medium), color var(--transition-medium);
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;

    /* Modern Animated Background */
    /* Modern Animated Background */
    background: radial-gradient(circle at top left, rgba(var(--hue-primary), 100, 50, 0.05), transparent 40%),
        radial-gradient(circle at bottom right, rgba(var(--hue-accent), 100, 50, 0.05), transparent 40%),
        var(--color-bg);
    background-size: 100% 100%;
    animation: bgPulse 10s ease-in-out infinite alternate;
}

@keyframes bgPulse {
    0% {
        background-size: 100% 100%;
    }

    100% {
        background-size: 110% 110%;
    }
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

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

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.75rem;
}

p {
    margin-bottom: 1rem;
}

/* Utilities */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.glass {
    background: var(--color-surface-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
}

.glass-card {
    background: var(--color-surface-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2rem;
    transition: transform var(--transition-medium), box-shadow var(--transition-medium), border-color var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.glass-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px -5px rgba(0, 0, 0, 0.1), 0 0 20px hsla(var(--hue-accent), 70%, 50%, 0.2);
    border-color: var(--color-accent);
}

.glass-card:hover::before {
    opacity: 1;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

.btn-primary {
    background: var(--color-accent);
    color: hsl(var(--hue-primary), 25%, 10%);
    box-shadow: var(--shadow-glow);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s;
    z-index: -1;
}

.btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px -5px hsla(var(--hue-accent), 70%, 50%, 0.4);
}

.btn-primary:hover::after {
    left: 100%;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-text);
    color: var(--color-text);
}

.btn-outline:hover {
    background: var(--color-text);
    color: var(--color-bg);
}

/* Layout Components */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: padding var(--transition-medium);
}

header.scrolled {
    padding: 0.5rem 0;
}

header .glass {
    border-radius: var(--radius-full);
    margin: 0 auto;
    padding: 0.75rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    width: 90%;
}

/* Ensure container class in header does not conflict */
header .container {
    padding: 0.75rem 2rem;
    max-width: 1200px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'Space Mono', monospace;
    color: var(--color-accent);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    position: relative;
    opacity: 0.8;
}

.nav-links a.active,
.nav-links a:hover {
    opacity: 1;
    color: var(--color-accent);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-fast);
}

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

#theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text);
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

main {
    flex: 1;
    padding-top: 100px;
    /* Space for fixed header */
}

/* Hero Section */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

.hero-title {
    font-size: 3.5rem;
}

.hero-title span {
    color: var(--color-accent);
    display: block;
    font-size: 4.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 1.5rem auto 2.5rem;
}

/* Skills */
.skill-list {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
    list-style: none;
    padding: 0;
}

.skill-tag {
    background: transparent;
    border: none;
    padding: 0.25rem 0;
    font-family: 'Space Mono', monospace;
    font-size: 1rem;
    color: var(--color-accent);
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* Hero Actions */
.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Section Common */
section {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title span {
    color: var(--color-accent);
    font-family: 'Space Mono', monospace;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Footer */
footer {
    padding: 2rem 0;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    border-top: 1px solid var(--color-border);
    margin-top: 4rem;
}

.social-links {
    margin-top: 0.5rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
    font-size: 0.9rem;
}

.social-links a {
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.social-links a:hover {
    opacity: 1;
    color: var(--color-accent);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.8s ease forwards;
}

/* Scroll Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered delays for children if needed */
.reveal-delay-1 {
    transition-delay: 0.1s;
}

.reveal-delay-2 {
    transition-delay: 0.2s;
}

.reveal-delay-3 {
    transition-delay: 0.3s;
}

/* Profile Image */
.profile-wrapper {
    width: clamp(180px, 25vw, 260px);
    /* Dynamic resizing: min 180px, max 260px */
    height: clamp(180px, 25vw, 260px);
    margin: 0 auto 2rem;
    position: relative;
    border-radius: 50%;
    padding: 4px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
    box-shadow: var(--shadow-glow);
}

.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid var(--color-bg);
    background-color: var(--color-surface);
}

/* Contact Form Styles */
.contact-container {
    max-width: 600px;
    margin: 0 auto;
}

.contact-text {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--color-text-muted);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
}

.form-input,
.form-textarea {
    padding: 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    color: var(--color-text);
    font-family: inherit;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px hsla(var(--hue-accent), 70%, 50%, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.social-connect {
    margin-top: 3rem;
    text-align: center;
    border-top: 1px solid var(--color-border);
    padding-top: 2rem;
}

.social-connect h4 {
    margin-bottom: 1rem;
}

.connect-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.connect-links a {
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.connect-links a:hover {
    color: var(--color-accent);
}

.connect-links a.email-link {
    color: var(--color-accent);
}

/* Project Cards */
.project-card {
    background: var(--color-surface-glass);
    border: 1px solid var(--color-border);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-md);
}

.project-card h3 {
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.project-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

/* Skills Grid (Responsive) */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .reveal,
    .reveal.active,
    .fade-in,
    .glass-card:hover,
    .btn-primary:hover,
    body {
        animation: none !important;
        transition: none !important;
        transform: none !important;
        opacity: 1 !important;
    }

    .btn-primary::after {
        display: none;
    }
}

/* Enhanced Project Cards */
.project-card.visual {
    padding: 0;
    /* Clear padding for image to be full width */
    display: flex;
    flex-direction: column;
    overflow: hidden;
    /* For image radius */
}

.project-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
    border-bottom: 1px solid var(--color-border);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-medium);
}

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

.project-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.tech-stack {
    margin: 1rem 0;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

.tech-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-accent);
    display: block;
    margin-bottom: 0.5rem;
    font-family: 'Space Mono', monospace;
}

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

.tech-tag {
    font-size: 0.75rem;
    background: rgba(var(--hue-primary), 20%, 96%, 0.1);
    /* Subtle background */
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
    font-family: 'Space Mono', monospace;
    color: var(--color-text-muted);
}

.project-links {
    display: flex;
    gap: 1rem;
    margin-top: auto;
    /* Push to bottom */
}

.link-btn {
    flex: 1;
    text-align: center;
    padding: 0.6rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.link-btn-outline {
    border: 1px solid var(--color-border);
    color: var(--color-text);
}

.link-btn-outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.link-btn-fill {
    background: var(--color-accent);
    color: var(--color-bg);
    font-weight: 600;
}

.link-btn-fill:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--color-surface);
    border: 1px solid var(--color-accent);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 90%;
    position: relative;
    transform: translateY(20px);
    transition: transform var(--transition-medium);
    box-shadow: var(--shadow-glow);
    max-height: 85vh;
    overflow-y: auto;
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: color var(--transition-fast);
    line-height: 1;
}

.modal-close:hover {
    color: var(--color-accent);
}

.modal-body {
    margin-top: 1rem;
    line-height: 1.8;
}

.modal-title {
    color: var(--color-accent);
    margin-bottom: 1rem;
    font-family: 'Space Mono', monospace;
}

/* Dynamic Text Gradient Flow */
.text-gradient-flow {
    background: linear-gradient(to right,
            var(--color-accent),
            var(--color-primary),
            var(--color-accent));
    background-size: 200% auto;
    color: transparent;
    -webkit-background-clip: text;
    background-clip: text;
    animation: gradientFlow 3s linear infinite;
}

@keyframes gradientFlow {
    to {
        background-position: 200% center;
    }
}

/* Floating Animation */
@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }

    100% {
        transform: translateY(0px);
    }
}

.floating {
    animation: float 4s ease-in-out infinite;
}

/* Spotlight Effect Base */
.spotlight-card {
    /* Variables will be set by JS */
    --mouse-x: 0px;
    --mouse-y: 0px;
    /* position: relative; inherited */
    /* overflow: hidden; inherited */
}

/* The glow layer */
.spotlight-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(600px circle at var(--mouse-x) var(--mouse-y),
            rgba(var(--hue-accent), 100, 50, 0.15),
            transparent 40%);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
    z-index: 2;
}

.spotlight-card:hover::after {
    opacity: 1;
}

/* Border Glow Layer */
.spotlight-card::before {
    /* Override existing before if needed, or join them */
    background: radial-gradient(400px circle at var(--mouse-x) var(--mouse-y),
            var(--color-accent),
            transparent 40%);
    /* We use mask/clip to only show border? 
       Simpler approach: Just use the radial gradient for surface glow 
       and let the existing border be.
       Or, use mask-image to create a border glow.
    */
}