@import url("https://fonts.googleapis.com/css2?family=Nunito+Sans:ital,opsz,wght@0,6..12,200..1000;1,6..12,200..1000&family=Open+Sans:ital,wght@0,300..800;1,300..800&display=swap");

:root {
    /* Theme variables */
    --bg-color: #121212;
    --surface-color: #1e1e1e;
    --primary-color: #bb86fc;
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    
    /* Variables for form states */
    --success-color: #4caf50;
    --error-color: #cf6679;

    /* Formspree Template Variables */
    --color-background: #cbd5e1;
    --color-background-alt: #8ec6ff;
    --color-border-active: #173db6;
    --color-border-default: #94a3b8;
    --color-highlight: #8ec6ff;
    --color-primary: #144be1;
    --color-primary-active: #19388f;
    --color-text-default: #0f172a;
    --color-text-muted: #475569;
    --font-family-body: "Open Sans", sans-serif;
    --font-family-display: "Nunito Sans", sans-serif;
}

/* --- LIGHT MODE VARIABLES --- */
body.light-mode {
    --bg-color: #f5f5f5;
    --surface-color: #ffffff;
    --primary-color: #6200ee;
    --text-primary: #121212;
    --text-secondary: #555555;
    
    --success-color: #388e3c;
    --error-color: #b00020;
}

body.light-mode .brand-logo,
body.light-mode .hero-icon,
body.light-mode .contact-logo {
    filter: invert(0);
}


*,::before,::after {
    box-sizing: border-box;
    border: 0;
    margin: 0;
    padding: 0;
}

body {
    -webkit-font-smoothing: antialiased;
    font-family: var(--font-family);
    font-optical-sizing: auto;
    font-style: normal;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

button, input, optgroup, select, textarea {
    font-family: inherit;
    font-size: 100%;
    color: inherit;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.page-content {
    min-height: 60vh;
}

h1, h2, h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

h2 {
    font-size: 2rem;
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
    padding-bottom: 0.5rem;
    margin-bottom: 2rem;
}

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

a:hover {
    opacity: 0.8;
}

/* Navbar & Brand */
#navbar {
    background-color: var(--surface-color);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.5);
    transition: background-color 0.3s ease;
}

.nav-content {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.brand-link {
    color: inherit;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0;
    white-space: nowrap;
}

.brand-logo {
    height: 60px;
    width: auto;
    border-radius: 4.5px;
    object-fit: contain;
    filter: invert(1);
    transition: filter 0.3s ease;
    transform: scale(3.5);
    transform-origin: left center;
}

.nav-links {
    display: flex;
    align-items: center;
}

.nav-links a {
    color: var(--text-primary);
    margin-left: 1.5rem;
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* Theme Button Styles */
.theme-btn {
    background: none;
    border: 1px solid var(--text-primary);
    color: var(--text-primary);
    width: 36px;
    height: 36px;
    margin-left: 1.5rem;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
}

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

/* Hero Section */
#hero {
    text-align: center;
    padding: 2rem 2rem 8rem 2rem;
}

/* Split Logo Container */
.hero-logo-container {
    display: flex;
    flex-direction: column; 
    justify-content: center;
    align-items: center;
    gap: 1.5rem; 
    max-width: 100%;
    margin: 0 auto 2rem auto;
}

.hero-icon {
    height: auto;
    /* LARGER ICON ON DESKTOP */
    max-height: 750px;
    width: auto;
    object-fit: contain;
    filter: invert(1);
    transition: filter 0.3s ease;
}


.contact-logo {
    filter: invert(1);
    transition: filter 0.3s ease;
}

.hero-text {
    width: 100%;
    max-width: 700px;
    height: auto;
    object-fit: contain;
}

/* Make it responsive for mobile phones */
@media (max-width: 768px) {
    .hero-logo-container {
        gap: 1rem;
    }
    .hero-icon {
        /* LARGER ICON ON MOBILE (was 120px) */
        max-height: 180px;
    }
    .hero-text {
        max-width: 100%;
    }
}

.subtitle {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 2rem auto;
}

.social-links a {
    display: inline-block;
    margin: 0 10px;
    padding: 10px 20px;
    border: 1px solid var(--primary-color);
    border-radius: 5px;
    font-weight: bold;
}

.social-links a:hover {
    background-color: var(--primary-color);
    color: var(--bg-color);
}

/* Skills Grid */
.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    list-style: none;
}

.skill-item {
    background-color: var(--surface-color);
    padding: 0.75rem 1.5rem;
    border-radius: 20px;
    font-weight: 500;
    border: 1px solid var(--text-secondary);
    transition: background-color 0.3s ease;
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: var(--surface-color);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--text-secondary);
    transition: transform 0.3s ease, border-color 0.3s ease, background-color 0.3s ease;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.project-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 6px;
    margin-bottom: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.tags-container {
    margin-bottom: 1.5rem;
    margin-top: auto;
}

.tag {
    display: inline-block;
    font-size: 0.8rem;
    background-color: rgba(187, 134, 252, 0.1);
    color: var(--primary-color);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.btn {
    display: inline-block;
    font-weight: bold;
    margin-top: 1rem;
}

/* Shared Footer Styles */
footer {
    background-color: var(--surface-color);
    text-align: center;
    border-top: 1px solid var(--text-secondary);
    transition: background-color 0.3s ease;
}

.footer-content {
    padding: 2rem;
}

.copyright {
    font-size: 0.9rem;
    margin-top: 1rem;
}

/* --- FORMSPREE TEMPLATE CSS --- */
.form-container {
    max-width: 600px;
    margin: 2rem auto;
    background-color: var(--surface-color);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--text-secondary);
}

.fs-form {
    display: grid;
    row-gap: 1.5rem;
}

.fs-field {
    display: flex;
    flex-direction: column;
    row-gap: 0.375rem;
    text-align: left;
}

.fs-label {
    color: var(--text-primary);
    display: block;
    font-family: var(--font-family-display);
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.25rem;
}

.fs-button-group {
    display: flex;
    flex-direction: row-reverse;
    column-gap: 1.5rem;
}

.fs-button {
    background-color: var(--color-primary);
    border-radius: 0.375rem;
    color: white;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1rem;
    padding: 1rem 2rem;
    transition-duration: 200ms;
    transition-property: background-color;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.fs-button:hover {
    background-color: var(--color-primary-active);
}

.fs-button:focus-visible {
    background-color: var(--color-primary-active);
    outline: 3px solid var(--color-highlight);
}

.fs-input, .fs-select, .fs-textarea {
    appearance: none;
    border-radius: 0.375rem;
    border-width: 0;
    box-shadow: var(--color-border-default) 0 0 0 1px inset;
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    padding: 0.75rem;
}

.fs-input, .fs-select {
    height: 2.5rem;
    line-height: 1.5rem;
}

.fs-textarea {
    line-height: 1.5rem;
    resize: vertical;
}

.fs-input:focus-visible, .fs-select:focus-visible, .fs-textarea:focus-visible {
    box-shadow: var(--color-border-active) 0 0 0 1.5px inset;
    outline: 3px solid var(--color-highlight);
    outline-offset: 0;
}

.fs-input::placeholder, .fs-textarea::placeholder {
    color: var(--text-secondary);
}

.submit-btn {
    background-color: var(--primary-color);
    color: var(--bg-color);
    border: none;
    padding: 1rem;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.1rem;
    transition: opacity 0.3s ease;
}

.submit-btn:hover {
    opacity: 0.8;
}

/* --- Mobile Responsiveness --- */
@media (max-width: 768px) {
    .nav-content {
        flex-direction: column;
        gap: 1rem;
        padding: 0.5rem 1rem;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }

    .nav-links a {
        margin-left: 0;
    }

    .theme-btn {
        margin-left: 0;
    }

    .brand-logo {
        height: 150px;
        margin: -40px 0;
    }

    .social-links a {
        margin: 5px;
        padding: 8px 16px;
    }

    .container {
        padding: 2rem 1.5rem;
    }
}