/* ===== AVIATOR THEME — Portfolio Stylesheet ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ===== CSS VARIABLES ===== */
:root {
    --sky-dark: #0D1B2A;
    --sky-mid: #1B3A5C;
    --cockpit: #15294A;
    --gold: #C9A84C;
    --gold-hover: #B8963F;
    --gold-light: rgba(201, 168, 76, 0.1);
    --gold-border: rgba(201, 168, 76, 0.25);
    --sunset: #D4813B;
    --bg-primary: #FAFBFE;
    --bg-alt: #F1F4F8;
    --card-bg: #FFFFFF;
    --text-heading: #1A2332;
    --text-body: #4A5568;
    --text-muted: #8896A6;
    --border: #E2E8F0;
    --shadow-sm: 0 2px 8px rgba(13, 27, 42, 0.06);
    --shadow-md: 0 4px 20px rgba(13, 27, 42, 0.08);
    --shadow-lg: 0 8px 30px rgba(13, 27, 42, 0.12);
    --shadow-gold: 0 4px 15px rgba(201, 168, 76, 0.25);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
}

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

html {
    line-height: 1.15;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-body);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-align: center;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-heading);
    font-weight: 700;
    line-height: 1.3;
}

h1 { font-size: 2.25rem; margin: 0.67em 0; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.1rem; }

p { margin: 0.5em 0; }

a {
    color: var(--gold);
    text-decoration: none;
    background-color: transparent;
    transition: color var(--transition);
}
a:hover { color: var(--gold-hover); }

img {
    border: none;
    max-width: 100%;
    height: auto;
    border-style: none;
}

ul, ol { padding-left: 1.25em; }
figure { margin: 1em 0; }

article, aside, details, figcaption, figure, footer, header, main, menu, nav, section {
    display: block;
}

b, strong { font-weight: bolder; }

button, input, optgroup, select, textarea {
    font-family: inherit;
    font-size: 100%;
    line-height: 1.15;
    margin: 0;
}
button, input { overflow: visible; }
button, select { text-transform: none; }

audio, canvas, video { display: inline-block; }
[hidden], template { display: none; }

/* ===== FONT-FACE DECLARATIONS ===== */
@font-face {
    font-family: 'FontAwesome';
    src: url(../fonts/fontawesome-webfont.woff2?v=4.7.0) format("woff2"),
         url(../fonts/fontawesome-webfont.woff?v=4.7.0) format("woff"),
         url(../fonts/fontawesome-webfont.ttf?v=4.7.0) format("truetype");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

.fa {
    display: inline-block;
    font: 14px/1 FontAwesome;
    font-size: inherit;
    text-rendering: auto;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.fa-file-pdf-o:before { content: "\f1c1"; }
.fa-linkedin:before { content: "\f0e1"; }
.fa-linkedin-square:before { content: "\f08c"; }
.fa-mail-forward:before, .fa-share:before { content: "\f064"; }
.fa-mail-reply:before, .fa-reply:before { content: "\f112"; }
.fa-mail-reply-all:before, .fa-reply-all:before { content: "\f122"; }
.fa-github-alt:before { content: "\f113"; }
.fa-github:before { content: "\f09b"; }
.fa-github-square:before { content: "\f092"; }
.fa-envelope:before { content: "\f0e0"; }
.fa-chevron-down:before { content: "\f078"; }

@font-face {
    font-family: devicon;
    src: url(../fonts/devicon.woff?-hdf3wh) format("woff"),
         url(../fonts/devicon.ttf?-hdf3wh) format("truetype");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

[class*=" devicon-"],
[class^=devicon-] {
    font-family: devicon;
    speak: none;
    font-style: normal;
    font-weight: 400;
    font-variant: normal;
    text-transform: none;
    line-height: 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== ANIMATIONS ===== */
@keyframes pulse {
    0%, 100% { opacity: 0.4; transform: translate(-50%, 0); }
    50% { opacity: 1; transform: translate(-50%, -10px); }
}

@keyframes fadeSlideUp {
    from { opacity: 0; transform: translateY(25px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ===== HERO SECTION ===== */
#particles-js {
    background: linear-gradient(135deg, var(--sky-dark) 0%, var(--sky-mid) 50%, #234B73 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

#particles-js::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(ellipse at 30% 20%, rgba(201, 168, 76, 0.06) 0%, transparent 60%);
    pointer-events: none;
}

#particles-js .particles-js-canvas-el {
    width: 100% !important;
    height: 100% !important;
    position: absolute;
    top: 0; left: 0;
}

.header {
    z-index: 10;
    text-align: center;
    color: #fff;
    position: absolute;
    width: 90%;
    max-width: 800px;
    top: 45%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: 'Inter', sans-serif;
}

.header h1 { margin: 0; padding: 0; }

.header .site-title {
    font-size: 2.5rem;
    display: block;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.header .site-description {
    font-size: 1.1rem;
    display: block;
    color: var(--gold);
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-top: 12px;
}

.header-icons {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 28px;
}

.header-icons .icon {
    color: #fff;
    width: 22px;
    height: 22px;
    padding: 12px;
    border-radius: 50%;
    border: 1.5px solid rgba(255, 255, 255, 0.3);
    transition: all var(--transition);
    font-size: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    text-align: center;
}

.header-icons .icon:hover,
.header-icons .icon:active {
    color: var(--sky-dark);
    background: var(--gold);
    border-color: var(--gold);
    box-shadow: var(--shadow-gold);
}

.header-links {
    margin-top: 28px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
}

.header-links .link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 500;
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all var(--transition);
    letter-spacing: 0.02em;
}

.header-links .link:hover {
    color: var(--gold);
    border-color: var(--gold);
    background: rgba(201, 168, 76, 0.1);
}

.down {
    position: absolute;
    bottom: 30px;
    left: 0;
    width: 100%;
    text-align: center;
    z-index: 10;
    display: block;
    font-size: 30px;
    cursor: pointer;
}

.down, .down .icon {
    color: rgba(255, 255, 255, 0.5);
    text-align: center;
}

.down .icon {
    font-size: 24px;
    animation: pulse 2s infinite;
    position: absolute;
    left: 50%;
    transform: translate(-50%, 0);
    text-decoration: none;
    cursor: pointer;
}

.down .icon:hover,
.down .icon:active { color: var(--gold); }

/* Responsive hero */
@media only screen and (min-width: 550px) {
    .header .site-title { font-size: 5.5rem; }
    .header .site-description { font-size: 1.4rem; }
    .header-links .link { font-size: 0.9rem; padding: 7px 16px; }
    .header-icons .icon { width: 30px; height: 30px; font-size: 28px; padding: 14px; }
}

@media only screen and (min-width: 900px) {
    .header .site-title { font-size: 6.5rem; }
    .header .site-description { font-size: 1.6rem; }
    .header-links .link { font-size: 1rem; padding: 8px 20px; }
}

/* ===== SECTION TITLE ===== */
.section-title {
    text-align: center;
    font-size: 2rem;
    color: var(--text-heading);
    margin-bottom: 10px;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: var(--gold);
    margin: 12px auto 0;
    border-radius: 2px;
}

/* ===== ABOUT ===== */
#about {
    width: 90%;
    margin: 0 auto;
    max-width: 960px;
    padding-top: 60px;
}

@media only screen and (min-width: 550px) {
    #about { width: 80%; }
}

.user-details {
    text-align: center;
    margin: 5px auto;
}

.user-details h1 {
    position: relative;
    padding-bottom: 15px;
    margin-bottom: 25px;
}

.user-details h1::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: var(--gold);
    margin: 12px auto 0;
    border-radius: 2px;
}

.profile-pic {
    width: 200px;
    height: 200px;
    object-fit: cover;
    border-radius: var(--radius);
    border: 3px solid var(--gold);
    box-shadow: var(--shadow-md);
    display: inline-block;
    margin-bottom: 20px;
}

.user-details p {
    text-align: justify;
    max-width: 720px;
    margin: 0.75em auto;
    line-height: 1.8;
}

.user-details h3 {
    color: var(--text-heading);
    font-size: 1.15rem;
    font-weight: 700;
    margin: 1.5em auto 0.3em;
    padding: 0;
    max-width: 720px;
    text-align: left;
    letter-spacing: 0.01em;
    border-left: 3px solid var(--gold);
    padding-left: 12px;
}

/* ===== WORK EXPERIENCE & EDUCATION ===== */
#redirectworkexperience,
#redirecteducation {
    margin-top: 50px;
}

#work-experience,
#education {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 20px 0;
}

.experience-item,
.education-item {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
    padding: 28px 30px;
    border-radius: var(--radius);
    background-color: var(--card-bg);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--gold);
    transition: all var(--transition);
    gap: 24px;
}

.experience-item:hover,
.education-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.experience-details,
.education-details {
    flex: 2;
    text-align: justify;
}

.experience-details h3,
.education-details h3 {
    color: var(--text-heading);
    margin: 0 0 8px;
    padding: 0;
    font-size: 1.2rem;
    text-align: left;
}

.experience-details p,
.education-details p {
    margin: 4px 0;
    font-size: 0.95rem;
    line-height: 1.7;
}

.experience-details ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.experience-details li {
    margin: 4px 0;
    font-size: 0.95rem;
    line-height: 1.7;
    padding-left: 0;
}

.experience-logo,
.education-logo {
    flex: 0 0 auto;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 120px;
}

.experience-logo img,
.education-logo img {
    max-width: 140px;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: var(--radius-sm);
    border: none !important;
    box-shadow: none;
}

.course-tag,
.role-tag {
    display: inline-block;
    background: var(--gold-light);
    color: var(--gold-hover);
    padding: 4px 12px;
    border-radius: 20px;
    margin: 4px 4px 4px 0;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid var(--gold-border);
    transition: all var(--transition);
}

.course-tag:hover,
.role-tag:hover {
    background: rgba(201, 168, 76, 0.2);
    border-color: var(--gold);
}

/* ===== SKILLS ===== */
#skills {
    margin: 50px auto;
    padding: 40px 20px;
    background: var(--bg-alt);
    border-radius: var(--radius-lg);
    max-width: 960px;
    width: 90%;
}

.user {
    text-align: center;
    font-size: 60px;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
}

.user p { font-size: 16px; }

@media only screen and (min-width: 550px) {
    .user { flex-wrap: nowrap; font-size: 75px; }
}

.tech { margin: 0 10px; }

.tech h1 {
    position: relative;
    padding-bottom: 15px;
    margin-bottom: 25px;
}

.tech h1::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: var(--gold);
    margin: 12px auto 0;
    border-radius: 2px;
}

.row { display: flex; justify-content: center; }
.col { width: 100%; }

.col img {
    border: none !important;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

/* ===== DASHBOARDS ===== */
#redirectdashboard {
    margin: 50px auto;
    max-width: 960px;
    width: 90%;
}

#dashboard-links-container { text-align: center; }

.dashboard-flex {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
    padding: 40px 30px;
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    margin-top: 20px;
    flex-wrap: wrap;
}

#dashboard-links-container .project-link {
    display: inline-block;
    padding: 14px 32px;
    background: linear-gradient(135deg, var(--sky-dark), var(--sky-mid));
    color: var(--gold);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    border: 1.5px solid var(--gold);
    transition: all var(--transition);
    letter-spacing: 0.02em;
}

#dashboard-links-container .project-link:hover {
    background: var(--gold);
    color: var(--sky-dark);
    box-shadow: var(--shadow-gold);
    transform: translateY(-2px);
}

/* ===== PROJECTS ===== */
#projects {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 90%;
    max-width: 960px;
    margin: 40px auto;
}

@media only screen and (min-width: 550px) {
    #projects { width: 80%; }
}

#projects > .user-details { margin-bottom: 10px; }

.user-projects {
    display: flex;
    align-items: flex-start;
    gap: 30px;
    margin: 16px auto;
    padding: 30px;
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--gold);
    transition: all var(--transition);
}

.user-projects:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.user-projects .contents,
.user-projects .contents-right {
    flex: 1;
    text-align: justify;
    display: block;
}

.user-projects .contents h3,
.user-projects .contents-right h3 {
    color: var(--text-heading);
    margin: 0 0 12px;
    padding: 0;
    text-align: left;
}

.user-projects .contents p,
.user-projects .contents-right p {
    font-size: 0.95rem;
    line-height: 1.7;
    margin: 0 0 10px;
}

.user-projects img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
    border: none !important;
}

.user-projects h5 { margin: 0; }
.user-projects li { color: var(--gold); font-size: 1.1rem; }
.user-projects p { margin-right: 5px; }

.images-right,
.images-left {
    flex: 0 0 280px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.images-right img,
.images-left img {
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    border: none !important;
    max-width: 100%;
    height: auto;
}

@media only screen and (min-width: 550px) {
    .contents { margin-left: 0; width: 48%; }
    .contents, .contents-right { margin-top: 0; }
    .contents-right, .images-right { float: right; width: 48%; }
    .images-right img { float: right; }
    .images-left { float: left; width: 48%; }
    .images-left img { float: left; }
}

.project-link {
    display: inline-block;
    margin: 10px 0;
    padding: 8px 22px;
    color: var(--gold);
    background-color: transparent;
    border: 1.5px solid var(--gold);
    border-radius: 25px;
    text-align: center;
    outline: 0;
    text-decoration: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.02em;
    transition: all var(--transition);
}

.project-link:hover,
.project-link:active {
    background-color: var(--gold);
    border-color: var(--gold);
    color: var(--sky-dark);
    box-shadow: var(--shadow-gold);
    transform: translateY(-1px);
}

/* ===== CERTIFICATES ===== */
#certificates {
    width: 90%;
    max-width: 960px;
    margin: 40px auto;
}

#certificates > .user-details { margin-bottom: 20px; }

.certificates-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 20px;
}

.certificate-item {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 24px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: all var(--transition);
    border-top: 3px solid var(--gold);
}

.certificate-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.certificate-item h3 {
    margin: 0 0 8px;
    padding: 0;
    color: var(--text-heading);
    font-size: 1.1rem;
}

.certificate-item p {
    margin: 2px 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.certificate-item .project-link { margin: 10px 0; }

.certificate-item picture {
    max-width: 100%;
    overflow: hidden;
    margin-top: 12px;
}

.certificate-item img {
    border: none !important;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    max-width: 100%;
    height: auto;
}

/* ===== FOOTER ===== */
.footer {
    background: linear-gradient(135deg, var(--sky-dark) 0%, var(--sky-mid) 100%);
    padding: 30px 0;
    margin-top: 80px;
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer p { margin: 0; }
.footer a { color: var(--gold); text-decoration: none; margin: 0; }
.footer a:hover { color: #fff; }
.footer .love { color: #e74c3c; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .experience-item,
    .education-item {
        flex-direction: column;
        text-align: left;
    }

    .experience-logo,
    .education-logo {
        order: -1;
        margin-bottom: 10px;
    }

    .user-projects { flex-direction: column; }

    .images-right,
    .images-left { flex: none; width: 100%; }

    .certificates-container { grid-template-columns: 1fr; }

    .profile-pic { width: 160px; height: 160px; }

    .dashboard-flex { flex-direction: column; gap: 16px; }
}

@media (max-width: 550px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.15rem; }

    #about { padding-top: 30px; }
    .section-title { font-size: 1.6rem; }

    .experience-item,
    .education-item { padding: 20px; }

    .user-projects { padding: 20px; gap: 20px; }
    .certificate-item { padding: 18px; }
    .certificates-container { grid-template-columns: 1fr; }
}

/* ===== PRINT ===== */
@media print {
    .header-icons, .header-links, .down, .project-link {
        display: none !important;
    }

    #particles-js {
        min-height: auto;
        background: #fff !important;
    }

    .header {
        position: static;
        transform: none;
        color: #000;
        page-break-after: always;
    }

    .header .site-title { color: #000; }
    .header .site-description { color: #555; }

    .experience-item,
    .education-item {
        break-inside: avoid;
        page-break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }

    .user-projects {
        break-inside: avoid;
        page-break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }

    .certificate-item {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }

    body { background: #fff !important; color: #000 !important; }
    img { max-width: 95% !important; }

    a:after {
        content: " (" attr(href) ")";
        font-size: 90%;
    }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold-hover); }

/* ===== TEXT SELECTION ===== */
::selection {
    background: rgba(201, 168, 76, 0.2);
    color: var(--text-heading);
}