/* css/modern.css */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800;900&display=swap');

:root {
    scroll-behavior: smooth;
    --primary-color: #856de5;
    --primary-hover: #9b7bff;
    --background-color: #0d0d0f; /* Deeper dark for premium feel */
    --surface-color: rgba(255, 255, 255, 0.03); /* Glassmorphism base */
    --surface-hover: rgba(255, 255, 255, 0.06);
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --border-color: rgba(255, 255, 255, 0.08);
    --glass-border: none; /* Globally disabled as requested */
    --bg-gradient: radial-gradient(circle at top right, rgba(133, 109, 229, 0.15), transparent 40%),
                   radial-gradient(circle at bottom left, rgba(133, 109, 229, 0.1), transparent 40%);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background-color);
    background-image: var(--bg-gradient);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6, .brand-font {
    font-family: 'Outfit', sans-serif;
    color: var(--text-primary);
    font-weight: 700;
}

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

a:hover {
    color: var(--primary-hover);
    text-decoration: none;
}

.section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    font-size: 2.8rem;
    font-weight: 800;
    position: relative;
    background: linear-gradient(135deg, #fff 0%, #a1a1aa 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -15px;
    transform: translateX(-50%);
    height: 4px;
    width: 60px;
    background: linear-gradient(90deg, var(--primary-color), transparent);
    border-radius: 2px;
}

/* Navbar (Glassmorphism) */
.navbar {
    background: rgba(13, 13, 15, 0.7) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: none; /* Removed border */
    padding: 15px 0;
    transition: all 0.3s ease;
}

.navbar .navbar-brand .brand-img {
    height: 45px;
    width: 45px;
    border-radius: 50%;
    margin-right: 12px;
    padding: 0; /* Removed padding and border */
    transition: transform 0.3s ease;
}

.navbar .navbar-brand:hover .brand-img {
    transform: scale(1.05);
}

.navbar .nav-link {
    font-family: 'Outfit', sans-serif;
    color: var(--text-secondary);
    font-weight: 800; /* Extra Bold for brand impact */
    font-size: 0.95rem;
    margin: 0 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    display: flex;
    align-items: center;
}

.navbar .nav-link i {
    font-size: 0.9rem;
    transition: transform 0.3s ease;
}

.navbar .nav-link:hover i {
    transform: translateY(-2px);
    color: var(--primary-color);
}

.navbar .nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 50%;
    background-color: var(--primary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.navbar .nav-link:hover::after,
.navbar .nav-link.active::after {
    width: 100%;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
    color: var(--text-primary);
}

.navbar-toggler {
    border: none;
    color: var(--text-primary);
}

/* Header - Hero Section */
.header {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-image: url('../imgs/background.png');
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    background-attachment: fixed; /* Parallax flow */
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Deeper gradient for seamless flow into the site */
    background: linear-gradient(180deg, 
        rgba(13, 13, 15, 0.2) 0%, 
        rgba(13, 13, 15, 0.6) 70%, 
        var(--background-color) 100%);
    z-index: 1;
}

.header .carousel-caption {
    position: relative;
    z-index: 2;
    top: 40%; /* Moved up from 50% */
    transform: translateY(-50%);
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.header .carousel-title {
    font-size: 5rem;
    font-weight: 900;
    margin-bottom: 25px;
    letter-spacing: -3px;
    line-height: 1.0;
    background: linear-gradient(135deg, #fff 0%, #a1a1aa 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header .btn-primary {
    background: var(--primary-color);
    border: none !important;
    padding: 14px 40px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    color: #ffffff !important;
    box-shadow: 0 10px 30px rgba(133, 109, 229, 0.3);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.header .btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-4px);
    box-shadow: 0 15px 40px rgba(133, 109, 229, 0.5);
}

.infos .socials {
    position: absolute;
    bottom: 40px;
    right: 40px;
    z-index: 2;
}

.infos .social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 65px;
    height: 65px;
    background: var(--surface-color);
    backdrop-filter: blur(10px);
    border: none; /* Removed white border as requested */
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 1.8rem;
    margin-left: 15px;
    transition: all 0.3s ease;
}

.infos .social-links a:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

/* About Section */
#about {
    position: relative;
    z-index: 2;
}

.about-card {
    background: var(--surface-color);
    backdrop-filter: blur(12px);
    border: none; /* Removed border */
    border-radius: 24px;
    padding: 50px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

#about p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin: 0 auto 20px;
    text-align: justify;
    line-height: 1.8;
}

#about p a {
    font-weight: 600;
    border-bottom: 1px dashed var(--primary-color);
}

/* Career Section - LinkedIn Style */
#career-container {
    max-width: 800px;
    margin: 0 auto;
}

.career-item {
    display: flex;
    margin-bottom: 40px;
    position: relative;
}

/* Timeline vertical line */
.career-item::before {
    content: '';
    position: absolute;
    left: 31px; /* Center of the logo */
    top: 60px;
    bottom: -40px;
    width: 2px;
    background: var(--border-color);
    z-index: 0;
}

.career-item:last-child::before {
    display: none;
}

.career-logo-wrapper {
    position: relative;
    z-index: 1;
    margin-right: 25px;
    flex-shrink: 0;
}

.career-item .career-logo {
    width: 64px;
    height: 64px;
    object-fit: cover;
    border-radius: 12px;
    background-color: #fff;
    padding: 0;
    border: none;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.career-logo-wrapper a:hover .career-logo {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(133, 109, 229, 0.3);
}

/* Default avatar icon for missing logos */
.career-logo-placeholder {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--surface-color), rgba(255,255,255,0.1));
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary-color);
}

.career-content {
    background: var(--surface-color);
    border: none; /* Removed border */
    border-radius: 16px;
    padding: 25px;
    flex-grow: 1;
    transition: all 0.3s ease;
}

.career-content:hover {
    background: var(--surface-hover);
    transform: translateX(5px);
}

.career-item .career-title {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 5px;
    font-weight: 700;
}

.career-item .career-company {
    font-size: 1.05rem;
    color: var(--primary-color);
    margin-bottom: 8px;
    font-weight: 500;
}

.career-item .career-company a {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s ease;
}

.career-item .career-company a:hover {
    color: var(--text-primary);
    opacity: 0.8;
}

/* University Section Styles */
.edu-card {
    background: var(--surface-color);
    border-radius: 16px;
    padding: 25px;
    display: flex;
    align-items: flex-start;
    height: 100%;
    transition: all 0.3s ease;
}

.edu-card:hover {
    background: var(--surface-hover);
    transform: translateY(-5px);
}

.edu-logo-wrapper {
    margin-right: 20px;
    flex-shrink: 0;
}

.edu-logo {
    width: 60px;
    height: 60px;
    object-fit: contain;
    border-radius: 10px;
    background: #fff;
    padding: 5px;
}

.edu-logo-placeholder {
    width: 60px;
    height: 60px;
    background: var(--surface-hover);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary-color);
}

.edu-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.edu-institution {
    font-size: 1rem;
    color: var(--primary-color);
    margin-bottom: 5px;
    font-weight: 500;
}

.edu-institution a {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s ease;
}

.edu-institution a:hover {
    color: var(--text-primary);
    opacity: 0.8;
}

.edu-duration {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: inline-block;
    margin-bottom: 10px;
}

.edu-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

@media (max-width: 768px) {
    .edu-card {
        flex-direction: column;
    }
    .edu-logo-wrapper {
        margin-right: 0;
        margin-bottom: 15px;
    }
}

.career-item .career-duration {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
    display: inline-block;
    background: rgba(255,255,255,0.05);
    padding: 4px 12px;
    border-radius: 20px;
}

.career-item .career-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0;
}

/* Project Cards */
.project-card {
    background: var(--surface-color);
    border: none; /* Removed border */
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-10px);
    background: var(--surface-hover);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(133, 109, 229, 0.1);
    border-color: rgba(133, 109, 229, 0.3);
}

.project-img-wrapper {
    position: relative;
    overflow: hidden;
}

.project-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.project-card-body {
    padding: 30px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-card .project-title {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--text-primary);
    font-family: 'Outfit', sans-serif;
}

.project-card .project-description {
    font-size: 1rem;
    color: var(--text-secondary);
    flex-grow: 1;
    line-height: 1.6;
}

/* Contact Section */
#contact {
    padding-top: 100px;
    padding-bottom: 60px;
}

.social-links-contact {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 25px;
}

.social-links-contact a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 90px;
    height: 90px;
    background: var(--surface-color);
    backdrop-filter: blur(10px);
    border: none; /* Removed white border */
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 2.2rem;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.social-links-contact a:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
    transform: translateY(-10px) scale(1.1);
    box-shadow: 0 15px 30px rgba(133, 109, 229, 0.3);
}

/* Footer */
footer {
    padding: 30px 0;
    text-align: center;
    color: var(--text-secondary);
    border-top: var(--glass-border);
    margin-top: 80px !important;
}

footer p {
    margin-bottom: 0;
    font-size: 0.9rem;
}

footer a {
    color: var(--primary-color);
    font-weight: 500;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(-50%) scale(1); /* Adjusted for strict vertical centering */
    }
}

/* Responsive adjustments */
@media (max-width: 991px) {
    body {
        background-attachment: scroll;
    }

    .header {
        background-attachment: scroll;
    }

    .navbar {
        background: rgba(13, 13, 15, 0.95) !important;
        padding-left: 20px;
        padding-right: 20px;
    }
    
    .navbar .container {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        padding-left: 10px;
        padding-right: 10px;
    }
    
    .navbar-toggler {
        order: 1;
        margin-left: 0;
    }
    
    .navbar-brand {
        order: 2;
        margin-right: 0;
    }
    
    .navbar-collapse {
        order: 3;
        flex-basis: 100%;
    }
}

@media (max-width: 768px) {
    .header .carousel-title {
        font-size: 3.5rem;
    }

    .infos .socials {
        position: static;
        text-align: center;
        margin-top: 30px;
        padding-bottom: 20px;
    }

    .about-card {
        padding: 30px;
    }
    
    .career-item {
        flex-direction: column;
    }
    
    .career-item::before {
        display: none; /* Hide timeline line on mobile */
    }
    
    .career-logo-wrapper {
        margin-bottom: 15px;
    }

    /* University mobile adjustments */
    .column3, .column2 {
        width: 100%; /* Stack year buttons on mobile */
        margin-bottom: 10px;
    }
    
    .pdf-element {
        flex-direction: column; /* Stack title and buttons */
        align-items: flex-start;
    }
    
    .middle-div {
        width: 100%;
        justify-content: flex-start; /* Align buttons left on mobile */
        margin-top: 15px;
        flex-wrap: wrap; /* Allow buttons to wrap if needed */
    }
}

@media (max-width: 576px) {
    .header .carousel-title {
        font-size: 2.8rem;
    }
    .project-card img {
        height: 180px;
    }
    .section-title {
        font-size: 2.2rem;
    }
}

/* University Page Specifics */
.degree-section {
    text-align: center;
    margin: 60px 0 40px;
}
.btn2-2 {
    display: block;
    padding: 20px;
    background: var(--surface-color);
    border: none; /* Removed border */
    border-radius: 16px;
    color: var(--text-primary);
    transition: all 0.3s ease;
    text-align: center;
}
.btn2-2.active, .btn2-2:hover {
    background: var(--primary-color) !important;
    color: #fff;
    transform: translateY(-5px);
}

.btn-content-inline {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 20px;
    text-align: left;
    padding-left: 10px;
}

.btn-logo-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #fff;
    padding: 5px;
    object-fit: contain;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.btn2-2 h3 {
    margin: 0;
    line-height: 1.2;
}

.btn2-2 h6 {
    margin: 5px 0 0 0;
    font-family: 'Outfit', sans-serif;
    color: var(--text-secondary);
}

.btn2-2:hover h6, .btn2-2.active h6 {
    color: rgba(255, 255, 255, 0.8);
}

.column3 {
    width: 33.33%;
    float: left;
    padding: 0 10px;
}
.column2 {
    width: 50%;
    float: left;
    padding: 0 10px;
}
.btn2 {
    display: block;
    padding: 15px;
    background: var(--surface-color);
    border: none; /* Removed border */
    border-radius: 12px;
    text-align: center;
    color: var(--text-primary);
    transition: all 0.3s ease;
}
.btn2.active, .btn2:hover {
    background: var(--primary-color) !important;
    color: #fff !important;
    border: none;
}
.pdf-section {
    max-width: 900px;
    margin: 0 auto;
}
.pdf-element {
    background: var(--surface-color);
    border: none; /* Removed border */
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    overflow: hidden;
}
.pdf-element .row {
    display: contents;
}
/* Ensure the title column shrinks and allows wrapping */
.pdf-element .col-auto.mr-auto {
    flex: 1 1 auto !important;
    min-width: 0 !important;
}
.pdf-element .col-auto:not(.mr-auto) {
    flex-shrink: 0;
}
.pdf-element-title {
    width: 100%;
}
.pdf-element-title h5 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 800; /* Extra Bold for visibility */
    line-height: 1.4;
    word-wrap: break-word;
    overflow-wrap: break-word;
}
.middle-div {
    display: flex;
    flex-wrap: nowrap;
    gap: 12px;
    align-items: center;
    justify-content: flex-end;
    white-space: nowrap;
    flex-shrink: 0;
}
.btn-primary {
    font-family: 'Outfit', sans-serif;
    background-color: var(--primary-color) !important;
    border: none !important; /* Removed border */
    color: #fff !important;
}
.btn-primary:hover, .btn-primary:focus, .btn-primary:active {
    background-color: var(--primary-hover) !important;
    border-color: var(--primary-hover) !important;
    box-shadow: none !important;
}
.btn-rounded2 {
    font-family: 'Outfit', sans-serif;
    border-radius: 50px;
    padding: 8px 24px;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.3s ease;
}
.btn-telegram {
    background: #0088cc;
    color: #fff;
}
.btn-telegram:hover {
    background: #0077b3;
    transform: translateY(-2px);
}
hr.solid2, hr.solid {
    border-top: 1px solid var(--border-color);
    margin: 20px 0;
}
.pdf-section-title h6 {
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.9rem;
    font-weight: 700;
}
.pdf-section-title h3 {
    font-size: 2.2rem;
}
.project-section {
    padding-top: 100px;
    font-family: 'Outfit', sans-serif;
}