@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600&family=Ubuntu:wght@400;500;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
}
html {
    scroll-behavior: smooth;
}

/* ── Theme Variables ── */
body.light-mode {
    --bg: #fff;
    --bg-alt: #111;
    --text-main: #333;
    --text-light: #555;
    --title-line: #111;
    --title-after-bg: #fff;
    --section-bg: #fff;
    --skills-bg: #fff;
    --bar-bg: lightgrey;
    --input-border: lightgrey;
    --input-focus: #b3b3b3;
    --input-bg: #fff;
    --input-color: #333;
    --footer-bg: #111;
    --footer-text: #fff;
    --contact-sub: #333;
    --card-bg: #fff;
    --accent: purple;
}
body.dark-mode {
    --bg: #1a1a2e;
    --bg-alt: #0f0f1a;
    --text-main: #e0e0f0;
    --text-light: #aaaacc;
    --title-line: #e0e0f0;
    --title-after-bg: #1a1a2e;
    --section-bg: #1a1a2e;
    --skills-bg: #1a1a2e;
    --bar-bg: #2e2e4e;
    --input-border: #3a3a5c;
    --input-focus: #6060a0;
    --input-bg: #16162a;
    --input-color: #e0e0f0;
    --footer-bg: #0f0f1a;
    --footer-text: #e0e0f0;
    --contact-sub: #aaaacc;
    --card-bg: #16162a;
    --accent: #a78bfa;
}

/* ── Custom Scrollbar ── */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg);
}
::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: #7c3aed;
}

/* ── Layout ── */
section {
    padding: 100px 0;
    background: var(--section-bg);
    transition: background 0.3s ease;
}
.max-width {
    max-width: 1300px;
    padding: 0 80px;
    margin: auto;
}

/* ── Theme Toggle Button ── */
.theme-toggle {
    position: fixed;
    bottom: 80px;
    right: 30px;
    height: 45px;
    width: 42px;
    background: var(--accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    font-size: 20px;
    cursor: pointer;
    z-index: 9999;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}
.theme-toggle:hover {
    filter: brightness(110%);
    transform: scale(1.05);
}

/* ── Section Titles ── */
.about, .skills, .contact, footer {
    font-family: 'Poppins', sans-serif;
}
.about .about-content,
.skills .skills-content,
.contact .contact-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
}
section .title {
    position: relative;
    text-align: center;
    font-size: 40px;
    font-weight: 500;
    margin-bottom: 60px;
    padding-bottom: 20px;
    font-family: 'Ubuntu', sans-serif;
    color: var(--text-main);
    transition: color 0.3s ease;
}
section .title::before {
    content: "";
    position: absolute;
    bottom: 0px;
    left: 50%;
    width: 180px;
    height: 3px;
    background: var(--title-line);
    transform: translateX(-50%);
    transition: background 0.3s ease;
}
section .title::after {
    position: absolute;
    bottom: -8px;
    left: 50%;
    font-size: 20px;
    color: var(--accent);
    padding: 0 5px;
    background: var(--title-after-bg);
    transform: translateX(-50%);
    transition: all 0.3s ease;
}

/* ── Navbar ── */
.navbar {
    position: fixed;
    width: 100%;
    z-index: 999;
    padding: 30px 0;
    font-family: 'Ubuntu', sans-serif;
    transition: all 0.3s ease;
}
.navbar.sticky {
    padding: 15px 0;
    background: var(--accent);
}
.navbar .max-width {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.navbar .logo a {
    color: #fff;
    font-size: 35px;
    font-weight: 600;
}
.navbar .logo a span {
    color: var(--accent);
    transition: all 0.3s ease;
}
.navbar.sticky .logo a span {
    color: #fff;
}
.navbar .menu li {
    list-style: none;
    display: inline-block;
}
.navbar .menu li a {
    display: block;
    color: #fff;
    font-size: 18px;
    font-weight: 500;
    margin-left: 25px;
    transition: color 0.3s ease;
}
.navbar .menu li a:hover {
    color: var(--accent);
}
.navbar.sticky .menu li a:hover {
    color: #fff;
}

/* ── Menu Button ── */
.menu-btn {
    color: #fff;
    font-size: 23px;
    cursor: pointer;
    display: none;
}

/* ── Scroll Up Button ── */
.scroll-up-btn {
    position: fixed;
    height: 45px;
    width: 42px;
    background: var(--accent);
    right: 30px;
    bottom: 10px;
    text-align: center;
    line-height: 45px;
    color: #fff;
    z-index: 9999;
    font-size: 30px;
    border-radius: 6px;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
}
.scroll-up-btn.show {
    bottom: 30px;
    opacity: 1;
    pointer-events: auto;
}
.scroll-up-btn:hover {
    filter: brightness(90%);
}

/* ── Home Section ── */
.home {
    display: flex;
    background: url("images/main.jpg") no-repeat center;
    height: 100vh;
    color: #fff;
    min-height: 500px;
    background-size: cover;
    background-attachment: fixed;
    font-family: 'Ubuntu', sans-serif;
}
.home .max-width {
    width: 100%;
    display: flex;
}
.home .home-content .text-1 {
    font-size: 27px;
}
.home .home-content .text-2 {
    font-size: 75px;
    font-weight: 600;
    margin-left: -3px;
}
.home .home-content .text-3 {
    font-size: 40px;
    margin: 5px 0;
}
.home .home-content .text-3 span {
    color: var(--accent);
    font-weight: 500;
}
.home .home-content a {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    font-size: 25px;
    padding: 12px 36px;
    margin-top: 20px;
    font-weight: 400;
    border-radius: 6px;
    border: 2px solid var(--accent);
    transition: all 0.3s ease;
}
.home .home-content a:hover {
    color: var(--accent);
    background: none;
}

/* ── About Section ── */
.about {
    background: var(--section-bg) !important;
}
.about .title::after {
    content: "Who I am";
}
.about .about-content .left {
    width: 45%;
}
.about .about-content .left img {
    height: 400px;
    width: 400px;
    object-fit: cover;
    border-radius: 6px;
}
.about .about-content .right {
    width: 55%;
}
.about .about-content .right .text {
    font-size: 25px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-main);
    transition: color 0.3s ease;
}
.about .about-content .right .text span {
    color: var(--accent);
}
.about .about-content .right p {
    text-align: justify;
    color: var(--text-light);
    transition: color 0.3s ease;
}
.about .about-content .right a {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    font-size: 20px;
    font-weight: 500;
    padding: 10px 30px;
    margin-top: 20px;
    border-radius: 6px;
    border: 2px solid var(--accent);
    transition: all 0.3s ease;
}
.about .about-content .right a:hover {
    color: var(--accent);
    background: none;
}

/* ── Skills Section ── */
.skills {
    background: var(--skills-bg) !important;
}
.skills .title::after {
    content: "What I know";
}
.skills .skills-content .column {
    width: calc(50% - 30px);
}
.skills .skills-content .left .text {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-main);
    transition: color 0.3s ease;
}
.skills .skills-content .left p {
    text-align: justify;
    color: var(--text-light);
    transition: color 0.3s ease;
}
.skills .skills-content .left a {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    font-size: 18px;
    font-weight: 500;
    padding: 8px 16px;
    margin-top: 20px;
    border-radius: 6px;
    border: 2px solid var(--accent);
    transition: all 0.3s ease;
}
.skills .skills-content .left a:hover {
    color: var(--accent);
    background: none;
}
.skills .skills-content .right .bars {
    margin-bottom: 15px;
}
.skills .skills-content .right .info {
    display: flex;
    margin-bottom: 5px;
    align-items: center;
    justify-content: space-between;
}
.skills .skills-content .right span {
    font-weight: 500;
    font-size: 18px;
    color: var(--text-main);
    transition: color 0.3s ease;
}
.skills .skills-content .right .line {
    height: 5px;
    width: 100%;
    background: var(--bar-bg);
    position: relative;
    border-radius: 3px;
    transition: background 0.3s ease;
}
.skills .skills-content .right .line::before {
    content: "";
    position: absolute;
    height: 100%;
    left: 0;
    top: 0;
    background: var(--accent);
    border-radius: 3px;
    transition: background 0.3s ease;
}

/* Skill bar widths */
.skills-content .right .aem::before         { width: 90%; }
.skills-content .right .java::before        { width: 85%; }
.skills-content .right .osgi::before        { width: 85%; }
.skills-content .right .sling-servlet::before { width: 85%; }
.skills-content .right .sling-model::before { width: 85%; }
.skills-content .right .htl::before         { width: 80%; }
.skills-content .right .css::before         { width: 70%; }
.skills-content .right .js::before          { width: 65%; }
.skills-content .right .python::before      { width: 50%; }

/* ── Contact Section ── */
.contact .title::after {
    content: "get in touch";
}
.contact .contact-content .column {
    width: calc(50% - 30px);
}
.contact .contact-content .text {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-main);
    transition: color 0.3s ease;
}
.contact .contact-content .left p {
    text-align: justify;
    color: var(--text-light);
    transition: color 0.3s ease;
}
.contact .contact-content .left .icons {
    margin: 10px 0;
}
.contact .contact-content .row {
    display: flex;
    height: 65px;
    align-items: center;
}
.contact .contact-content .row .info {
    margin-left: 30px;
}
.contact .contact-content .row i {
    font-size: 25px;
    color: var(--accent);
}
.contact .contact-content .info .head {
    font-weight: 500;
    color: var(--text-main);
    transition: color 0.3s ease;
}
.contact .contact-content .info .sub-title {
    color: var(--contact-sub);
    transition: color 0.3s ease;
}
.contact .right form .fields {
    display: flex;
}
.contact .right form .field,
.contact .right form .fields .field {
    height: 45px;
    width: 100%;
    margin-bottom: 15px;
}
.contact .right form .textarea {
    height: 80px;
    width: 100%;
}
.contact .right form .name {
    margin-right: 10px;
}
.contact .right form .field input,
.contact .right form .textarea textarea {
    height: 100%;
    width: 100%;
    border: 1px solid var(--input-border);
    border-radius: 6px;
    outline: none;
    padding: 0 15px;
    font-size: 17px;
    font-family: 'Poppins', sans-serif;
    background: var(--input-bg);
    color: var(--input-color);
    transition: all 0.3s ease;
}
.contact .right form .field input:focus,
.contact .right form .textarea textarea:focus {
    border-color: var(--input-focus);
}
.contact .right form .textarea textarea {
    padding-top: 10px;
    resize: none;
}
.contact .right form .button-area {
    display: flex;
    align-items: center;
}
.right form .button-area button {
    color: #fff;
    display: block;
    width: 160px !important;
    height: 45px;
    outline: none;
    font-size: 18px;
    font-weight: 500;
    border-radius: 6px;
    cursor: pointer;
    background: var(--accent);
    border: 2px solid var(--accent);
    transition: all 0.3s ease;
}
.right form .button-area button:hover {
    color: var(--accent);
    background: none;
}

/* ── Footer ── */
footer {
    background: var(--footer-bg);
    padding: 15px 23px;
    color: var(--footer-text);
    text-align: center;
    transition: all 0.3s ease;
}
footer span a {
    color: var(--accent);
    text-decoration: none;
}
footer span a:hover {
    text-decoration: underline;
}

/* ── Responsive ── */
@media (max-width: 1104px) {
    .about .about-content .left img {
        height: 350px;
        width: 350px;
    }
}
@media (max-width: 991px) {
    .max-width {
        padding: 0 50px;
    }
}
@media (max-width: 947px) {
    .menu-btn {
        display: block;
        z-index: 999;
    }
    .menu-btn i.active:before {
        content: "\f00d";
    }
    .navbar .menu {
        position: fixed;
        height: 100vh;
        width: 100%;
        left: -100%;
        top: 0;
        background: #111;
        text-align: center;
        padding-top: 80px;
        transition: all 0.3s ease;
    }
    .navbar .menu.active {
        left: 0;
    }
    .navbar .menu li {
        display: block;
    }
    .navbar .menu li a {
        display: inline-block;
        margin: 20px 0;
        font-size: 25px;
    }
    .home .home-content .text-2 { font-size: 70px; }
    .home .home-content .text-3 { font-size: 35px; }
    .home .home-content a { font-size: 23px; padding: 10px 30px; }
    .max-width { max-width: 930px; }
    .about .about-content .column { width: 100%; }
    .about .about-content .left {
        display: flex;
        justify-content: center;
        margin: 0 auto 60px;
    }
    .about .about-content .right { flex: 100%; }
    .skills .skills-content .column,
    .contact .contact-content .column {
        width: 100%;
        margin-bottom: 35px;
    }
    .theme-toggle { right: 15px; bottom: 80px; }
}
@media (max-width: 690px) {
    .max-width { padding: 0 23px; }
    .home .home-content .text-2 { font-size: 60px; }
    .home .home-content .text-3 { font-size: 32px; }
    .home .home-content a { font-size: 20px; }
}
@media (max-width: 500px) {
    .home .home-content .text-2 { font-size: 50px; }
    .home .home-content .text-3 { font-size: 27px; }
    .about .about-content .right .text,
    .skills .skills-content .left .text { font-size: 19px; }
    .contact .right form .fields { flex-direction: column; }
    .contact .right form .name,
    .contact .right form .email { margin: 0; }
    .scroll-up-btn {
        right: 15px;
        bottom: 15px;
        height: 38px;
        width: 35px;
        font-size: 23px;
        line-height: 38px;
    }
    .theme-toggle {
        right: 15px;
        bottom: 70px;
        height: 38px;
        width: 35px;
        font-size: 17px;
    }
}