/* ==================== General Styles & Theming ==================== */
:root {
    --accent-gradient: linear-gradient(90deg, #16BFFD, #CB3066);
}

body[data-theme="dark"] {
    --bg-color: #0D1117;
    --second-bg-color: #161B22;
    --card-color: #1A1F27;
    --text-color: #C9D1D9;
    --heading-color: #FFFFFF;
    --border-color: rgba(201, 209, 217, 0.2);
    --shadow-color: rgba(0, 0, 0, 0.4);
}

body[data-theme="light"] {
    --bg-color: #F5F7FA;
    --second-bg-color: #FFFFFF;
    --card-color: #FFFFFF;
    --text-color: #4A5568;
    --heading-color: #1A202C;
    --border-color: rgba(45, 55, 72, 0.2);
    --shadow-color: rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
    text-decoration: none;
    border: none;
    outline: none;
    scroll-behavior: smooth;
}

html { font-size: 62.5%; overflow-x: hidden; }
body { background: var(--bg-color); color: var(--text-color); transition: background-color 0.3s, color 0.3s; }
section { min-height: auto; padding: 10rem 9% 5rem; opacity: 0; transform: translateY(80px); transition: opacity 0.6s ease-out, transform 0.6s ease-out; }
section.visible { opacity: 1; transform: translateY(0); }

/* ==================== Typography & Shared Styles ==================== */
.heading {
    text-align: center;
    font-size: clamp(3rem, 5vw, 4.5rem);
    color: var(--heading-color);
    margin-bottom: 5rem;
}
.heading span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.btn {
    display: inline-block;
    padding: 1.2rem 3rem;
    background-image: var(--accent-gradient);
    background-size: 200% auto;
    border-radius: .8rem;
    box-shadow: 0 4px 15px var(--shadow-color);
    font-size: 1.6rem;
    color: #fff;
    font-weight: 600;
    transition: all 0.4s ease;
    cursor: pointer;
}
.btn:hover { background-position: right center; transform: scale(1.05); }

/* ==================== Header & Navigation ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 2rem 9%;
    background: rgba(13, 17, 23, 0.7);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.3s;
}
body[data-theme="light"] .header { background: rgba(255, 255, 255, 0.7); }
.logo { font-size: 2.5rem; color: var(--heading-color); font-weight: 600; }
.navbar a { font-size: 1.7rem; color: var(--text-color); margin-left: 4rem; transition: .3s; }
.navbar a:hover, .navbar a.active {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.header-right { display: flex; align-items: center; gap: 1.5rem; }
#menu-btn { font-size: 2.8rem; color: var(--heading-color); cursor: pointer; display: none; }
.theme-btn { font-size: 2.2rem; color: var(--heading-color); cursor: pointer; }

/* ==================== Home Section ==================== */
.home {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4rem;
    flex-wrap: wrap-reverse;
}
.home-content { flex: 1 1 40rem; }
.home-content h3 { font-size: 3rem; font-weight: 700; color: var(--heading-color); }
.home-content h1 { font-size: clamp(4rem, 8vw, 7rem); font-weight: 700; line-height: 1.2; color: var(--heading-color); }
.home-content p { font-size: 1.6rem; margin: 2rem 0 4rem; }
.home-img { 
    text-align: center;
    animation: floatImage 4s ease-in-out infinite;
}
/* ** FIX: New styles for the image border ** */
.home-img .gradient-border {
    display: inline-block;
    padding: 4px;
    border-radius: 50%;
    background: var(--accent-gradient);
    box-shadow: 0 0 3rem var(--shadow-color);
}
.home-img img {
    display: block;
    width: 30rem;
    height: 30rem;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid var(--bg-color); /* Matches the site background to create a hollow effect */
}
@keyframes floatImage { 0%{transform: translateY(0);} 50%{transform: translateY(-2rem);} 100%{transform: translateY(0);} }
.typing-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ==================== Card Styles (About, Resume, Projects) ==================== */
.about, .projects { background: var(--second-bg-color); }
.about-container { display: flex; align-items: center; justify-content: center; gap: 4rem; flex-wrap: wrap; }
.about-img { flex: 1 1 30rem; text-align: center; }
.about-img img { max-width: 100%; width: 30rem; border-radius: 1rem; box-shadow: 0 8px 24px var(--shadow-color); }
.about-content { flex: 2 1 50rem; }
.about-content h3 { font-size: 2.6rem; margin-bottom: 1rem; color: var(--heading-color); }
.about-content p { font-size: 1.6rem; line-height: 1.7; }

.resume-container, .projects-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(30rem, 1fr));
    gap: 3rem;
}
.resume-column, .project-card {
    background: var(--card-color);
    padding: 3rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 12px var(--shadow-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.resume-column:hover, .project-card:hover {
    transform: translateY(-1rem);
    box-shadow: 0 8px 24px var(--shadow-color);
}
.resume-column h3 { font-size: 2.2rem; margin-bottom: 2rem; color: var(--heading-color); }
.resume-item { margin-bottom: 2rem; }
.resume-item h4 { font-size: 1.8rem; color: var(--heading-color); }
.resume-item h5 { font-size: 1.4rem; background: var(--accent-gradient); -webkit-background-clip: text; background-clip: text; color: transparent; font-weight: 600; margin: 0.5rem 0; }
.skill-name { display: flex; justify-content: space-between; font-size: 1.6rem; margin: 1.5rem 0 0.5rem; color: var(--heading-color); }
.skill-bar { width: 100%; background-color: var(--bg-color); border-radius: .5rem; height: .8rem; }
.skill-level { height: 100%; background-image: var(--accent-gradient); border-radius: .5rem; width: 0; transition: width 1.5s ease-out; }
.resume.visible .skill-level { width: var(--w); }
.project-card { text-align: center; display: flex; flex-direction: column; }
.project-icon { font-size: 5rem; background: var(--accent-gradient); -webkit-background-clip: text; background-clip: text; color: transparent; margin-bottom: 1.5rem; }
.project-card h3 { font-size: 2.2rem; color: var(--heading-color); }
.project-card p { font-size: 1.6rem; flex-grow: 1; margin: 1rem 0 2rem; }

/* ==================== Contact Section ==================== */
.contact { background: var(--second-bg-color); }
.contact-container { display: flex; flex-wrap: wrap; gap: 3rem; align-items: stretch; }
.contact-info { flex: 1 1 40rem; background: var(--card-color); padding: 3rem; border-radius: 1rem; border: 1px solid var(--border-color); box-shadow: 0 4px 12px var(--shadow-color); }
.contact-info h3 { font-size: 2.4rem; color: var(--heading-color); margin-bottom: 2rem; }
.info-box { display: flex; align-items: center; font-size: 1.6rem; margin-bottom: 2rem; }
.info-box i { font-size: 2rem; background: var(--accent-gradient); -webkit-background-clip: text; background-clip: text; color: transparent; margin-right: 1.5rem; }
.contact form { flex: 1 1 50rem; }
.contact form input, .contact form textarea {
    width: 100%;
    padding: 1.5rem;
    font-size: 1.6rem;
    color: var(--text-color);
    background: var(--card-color);
    border-radius: .8rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
    transition: border-color .3s, box-shadow .3s;
}
.contact form input:focus, .contact form textarea:focus {
    box-shadow: 0 0 1rem var(--shadow-color);
    border-image: var(--accent-gradient) 1;
}
.socials { margin-top: 2rem; }
.socials a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 4rem;
    height: 4rem;
    background: transparent;
    border: 2px solid;
    border-image: var(--accent-gradient) 1;
    border-radius: 50%;
    font-size: 2rem;
    color: #fff; /* fallback */
    margin-right: 1rem;
    transition: .3s;
}
.socials a i { background: var(--accent-gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.socials a:hover { background-image: var(--accent-gradient); box-shadow: 0 0 1rem var(--shadow-color); }
.socials a:hover i { background: none; -webkit-background-clip: unset; background-clip: unset; color: #fff; }

/* ==================== Floating Buttons & Footer ==================== */
.whatsapp-float, .scroll-top-btn { position: fixed; width: 5rem; height: 5rem; border-radius: 50%; text-align: center; font-size: 2.4rem; box-shadow: 0 4px 12px var(--shadow-color); z-index: 100; display: flex; justify-content: center; align-items: center; transition: transform .3s; }
.whatsapp-float:hover, .scroll-top-btn:hover { transform: scale(1.1); }
.whatsapp-float { bottom: 3rem; right: 3rem; background-color: #25d366; color: #FFF; }
.scroll-top-btn { bottom: 3rem; left: 3rem; background-image: var(--accent-gradient); color: #fff; opacity: 0; transform: translateY(20px); transition: opacity .3s, transform .3s; }
.scroll-top-btn.visible { opacity: 1; transform: translateY(0); }
.footer { text-align: center; padding: 2rem 9%; background: var(--bg-color); border-top: 1px solid var(--border-color); }
.footer p { font-size: 1.6rem; }

/* ==================== Responsive Design ==================== */
@media (max-width: 991px) {
    .header { padding: 2rem 3%; }
    section { padding: 10rem 3% 5rem; }
    .home { text-align: center; }
}
@media (max-width: 768px) {
    #menu-btn { display: block; }
    .navbar { position: absolute; top: 100%; left: -100%; width: 100%; padding: 1rem 3%; background: var(--second-bg-color); transition: .3s; box-shadow: 0 8px 24px var(--shadow-color); }
    .navbar.active { left: 0; }
    .navbar a { display: block; font-size: 2rem; margin: 3rem 0; text-align: center; }
}
@media (max-width: 450px) {
    html { font-size: 50%; }
    .home-img .gradient-border { padding: 3px; }
    .home-img img { width: 25rem; height: 25rem; }
    .whatsapp-float, .scroll-top-btn { width: 4.5rem; height: 4.5rem; }
    .whatsapp-float { bottom: 2rem; right: 2rem; }
    .scroll-top-btn { bottom: 2rem; left: 2rem; }
}