/* Custom Styles for UI/UX Enhancements */

/* Collapsible Case Study Styles */
.case-study-header {
    cursor: pointer;
    user-select: none;
    transition: all 0.3s ease;
}

.case-study-header:hover {
    opacity: 0.9;
}

.case-study-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, opacity 0.3s ease-out;
    opacity: 0;
    user-select: text;
}

.case-study-content.expanded {
    max-height: 2000px;
    opacity: 1;
    transition: max-height 0.5s ease-in, opacity 0.4s ease-in;
}

.case-study-chevron {
    transition: transform 0.3s ease;
    margin-left: auto;
    color: #ffb400;
}

.case-study-chevron.rotated {
    transform: rotate(180deg);
}

.case-study-summary {
    padding: 15px 20px;
    background: #f8f9fa;
    border-radius: 6px;
    margin-top: 15px;
    font-size: 14px;
    line-height: 22px;
    color: #666;
    border-left: 3px solid #ffb400;
}

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
}

/* Enable text selection globally */
body, p, div, span, h1, h2, h3, h4, h5, h6, li, td, th {
    user-select: text;
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
}

/* Back to top button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: #333;
    color: #fff;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    transition: all 0.3s ease;
}

.back-to-top:hover {
    background: #ffb400;
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(255,180,0,0.3);
}

.back-to-top.visible {
    display: flex;
}

/* Fade-in animation for sections */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Service Card Styles */
.service-header {
    cursor: pointer;
    user-select: none;
    transition: all 0.3s ease;
}

.service-header:hover {
    opacity: 0.9;
}

.service-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, opacity 0.3s ease-out;
    opacity: 0;
    user-select: text;
}

.service-content.expanded {
    max-height: 1000px;
    opacity: 1;
    transition: max-height 0.5s ease-in, opacity 0.4s ease-in;
}

.service-chevron {
    transition: transform 0.3s ease;
    margin-left: auto;
    color: #ffb400;
}

.service-chevron.rotated {
    transform: rotate(180deg);
}

.service-summary {
    padding: 15px 20px;
    background: #f8f9fa;
    border-radius: 6px;
    margin-top: 15px;
    font-size: 14px;
    line-height: 22px;
    color: #666;
    border-left: 3px solid #ffb400;
}

/* Reusable card styles */
.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1) !important;
    transform: translateY(-2px) !important;
}

/* Experience Collapsible Styles */
.experience-header {
    cursor: pointer;
    user-select: none;
    transition: all 0.3s ease;
}

.experience-header:hover {
    opacity: 0.9;
}

.experience-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, opacity 0.3s ease-out;
    opacity: 0;
    user-select: text;
}

.experience-content.expanded {
    max-height: 2000px;
    opacity: 1;
    transition: max-height 0.5s ease-in, opacity 0.4s ease-in;
}

.experience-chevron {
    transition: transform 0.3s ease;
    margin-left: auto;
    color: #ffb400;
}

.experience-chevron.rotated {
    transform: rotate(180deg);
}

.experience-summary {
    padding: 12px 0;
    font-size: 14px;
    line-height: 22px;
    color: #666;
    font-style: italic;
}

/* Utility Classes for Better Organization */
.intro-title {
    margin: 0 0 15px 0;
    font-size: 48px;
    line-height: 56px;
    font-weight: 300;
}

.intro-title-name {
    font-weight: 600;
    color: #333;
    letter-spacing: -0.5px;
}

.intro-divider {
    width: 70px;
    height: 4px;
    background: linear-gradient(90deg, #ffb400 0%, #ff9500 100%);
    margin: 25px 0;
    border-radius: 2px;
}

.intro-subtitle {
    margin: 0 0 35px 0;
    font-size: 24px;
    font-weight: 400;
    color: #444;
    line-height: 32px;
    letter-spacing: 0.3px;
}

.intro-text {
    margin: 0 0 20px 0;
    font-size: 16px;
    line-height: 28px;
    color: #555;
}

.intro-text:last-child {
    margin-bottom: 0;
}

.intro-text strong {
    color: #333;
    font-weight: 600;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    padding: 15px 32px;
    background: #333;
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 3px 6px rgba(0,0,0,0.12);
}

.btn-download:hover {
    background: #ffb400;
    transform: translateY(-2px);
    box-shadow: 0 5px 12px rgba(255,180,0,0.25);
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    padding: 15px 35px;
    background: #ffb400;
    color: #333;
    text-decoration: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 8px rgba(255,180,0,0.3);
}

.btn-cta:hover {
    background: #ff9500;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(255,180,0,0.4);
}

.signature-img {
    max-height: 200px;
    display: block;
    opacity: 0.85;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.08));
}

/* Service Card Styles */
.service-card {
    padding: 30px;
    background: #fff;
    border-radius: 8px;
    border: 1px solid #e8e8e8;
    box-shadow: 0 2px 4px rgba(0,0,0,0.04);
}

.service-icon {
    width: 45px;
    height: 45px;
    background: #ffb400;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    flex-shrink: 0;
}

.service-icon i {
    color: #fff;
    font-size: 20px;
}

.service-title {
    margin: 0;
    font-size: 20px;
    font-weight: 500;
    color: #333;
    flex: 1;
}

/* Case Study Card Styles */
.case-study-card {
    padding: 35px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.08);
    border-top: 4px solid #ffb400;
}

.case-study-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #ffb400 0%, #ff9500 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    box-shadow: 0 4px 8px rgba(255,180,0,0.3);
    flex-shrink: 0;
}

.case-study-icon i {
    color: #fff;
    font-size: 26px;
}

.case-study-title {
    margin: 0;
    font-size: 22px;
    font-weight: 600;
    color: #333;
    flex: 1;
}

/* Experience Card Styles */
.experience-card {
    padding: 25px;
    background: #fff;
    border-radius: 8px;
    border: 1px solid #e8e8e8;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.experience-logo {
    padding-right: 20px;
    flex-shrink: 0;
}

.experience-logo img {
    max-width: 70px;
    border-radius: 8px;
}

.experience-title {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: #333;
    flex: 1;
}

.experience-role {
    font-size: 14px;
    color: #888;
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
}

/* Credential Card Styles */
.credential-card {
    display: flex;
    align-items: center;
    padding: 15px;
    background: #f9f9f9;
    border-radius: 5px;
}

.credential-logo {
    max-width: 55px;
    margin-right: 15px;
}

.credential-title {
    margin: 0 0 5px 0;
    font-size: 15px;
    font-weight: 500;
}

.credential-org {
    font-size: 12px;
    color: #888;
}

/* Highlight Card Styles */
.highlight-card {
    padding: 25px;
    background: #fff;
    border-radius: 8px;
    border: 1px solid #e8e8e8;
    box-shadow: 0 2px 4px rgba(0,0,0,0.04);
    height: 100%;
}

.highlight-icon {
    width: 50px;
    height: 50px;
    background: #ffb400;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    flex-shrink: 0;
}

.highlight-icon i {
    color: #fff;
    font-size: 22px;
}

.highlight-title {
    margin: 0 0 8px 0;
    font-size: 16px;
    font-weight: 500;
    color: #333;
}

.highlight-text {
    margin: 0;
    font-size: 14px;
    line-height: 22px;
    color: #555;
}

/* Contact Card Styles */
.contact-card {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    background: #fff;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    text-decoration: none;
    color: #333;
    transition: all 0.3s;
}

.contact-card:hover {
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

.contact-card i {
    font-size: 24px;
    margin-right: 12px;
}

.contact-card .fa-linkedin {
    color: #0077b5;
}

.contact-card .fa-twitter {
    color: #1DA1F2;
}

.contact-card .fa-github {
    color: #333;
}

.contact-card span {
    font-size: 14px;
    font-weight: 500;
}

/* Button Responsive Styles */
@media screen and (max-width: 767px) {
    /* Download Resume button */
    a.button[href*="CV"],
    a[style*="display: inline-flex"][href*="CV"],
    a[style*="display: inline-flex"][href*="assets/docs"] {
        width: 100%;
        max-width: 100%;
        padding: 14px 20px !important;
        font-size: 14px !important;
        justify-content: center;
        text-align: center;
        box-sizing: border-box;
    }
    
    /* Get in Touch button */
    a[href="#chaptercontact"][style*="display: inline-flex"],
    a[href="#chaptercontact"] {
        width: 100%;
        max-width: 100%;
        padding: 14px 20px !important;
        font-size: 14px !important;
        justify-content: center;
        text-align: center;
        box-sizing: border-box;
    }
    
    /* Contact social cards - make them stack on mobile */
    div[style*="display: flex"][style*="gap: 20px"] {
        flex-direction: column !important;
        gap: 12px !important;
    }
    
    /* Individual contact cards */
    a[href*="linkedin"],
    a[href*="twitter"],
    a[href*="x.com"],
    a[href*="github"] {
        width: 100% !important;
        max-width: 100% !important;
        padding: 14px 18px !important;
        box-sizing: border-box;
        justify-content: center !important;
    }
    
    a[href*="linkedin"] i,
    a[href*="twitter"] i,
    a[href*="x.com"] i,
    a[href*="github"] i {
        font-size: 20px !important;
        margin-right: 10px !important;
    }
    
    a[href*="linkedin"] span,
    a[href*="twitter"] span,
    a[href*="x.com"] span,
    a[href*="github"] span {
        font-size: 14px !important;
    }
}

@media screen and (max-width: 480px) {
    /* Smaller buttons on very small screens */
    a.button[href*="CV"],
    a[style*="display: inline-flex"][href*="CV"],
    a[style*="display: inline-flex"][href*="assets/docs"],
    a[href="#chaptercontact"][style*="display: inline-flex"],
    a[href="#chaptercontact"] {
        padding: 12px 16px !important;
        font-size: 13px !important;
    }
    
    /* Contact cards on small mobile */
    a[href*="linkedin"],
    a[href*="twitter"],
    a[href*="x.com"],
    a[href*="github"] {
        padding: 12px 16px !important;
    }
    
    a[href*="linkedin"] i,
    a[href*="twitter"] i,
    a[href*="x.com"] i,
    a[href*="github"] i {
        font-size: 18px !important;
        margin-right: 8px !important;
    }
    
    a[href*="linkedin"] span,
    a[href*="twitter"] span,
    a[href*="x.com"] span,
    a[href*="github"] span {
        font-size: 13px !important;
    }
}

/* Responsive improvements for credentials and highlights */
@media screen and (max-width: 767px) {
    /* Credential cards - stack and improve spacing */
    .credentials-con .row .col-6 {
        width: 100% !important;
        margin-bottom: 15px;
        float: none;
    }
    
    /* Credential card content - adjust flex for mobile */
    .credentials-con .row .col-6 > div[style*="display: flex"] {
        flex-direction: column !important;
        align-items: flex-start !important;
        padding: 20px !important;
    }
    
    .credentials-con .row .col-6 img[src*="logo"] {
        margin-right: 0 !important;
        margin-bottom: 15px;
    }
    
    /* Education cards - stack */
    .education-details {
        margin-bottom: 20px !important;
    }
    
    /* Adjust credential card text for mobile */
    .credentials-con .row .col-6 h5 {
        font-size: 14px !important;
    }
    
    .credentials-con .row .col-6 span {
        font-size: 11px !important;
        line-height: 1.4;
    }
}

@media screen and (max-width: 675px) {
    /* Further mobile adjustments - credentials section */
    .credentials-con .row .col-6 > div {
        padding: 15px !important;
    }
    
    /* Make credential cards full width with better spacing */
    .credentials-con .row {
        margin-bottom: 15px;
    }
    
    .credentials-con .row .col-6 {
        width: 100% !important;
        margin-bottom: 15px;
        float: none;
    }
    
    /* Highlights section - ensure full width for col-6 items */
    .credentials-con .row .col-6[style*="height: 100%"] {
        width: 100% !important;
        margin-bottom: 20px;
        float: none;
    }
}

@media screen and (max-width: 480px) {
    /* Small mobile adjustments */
    .credentials-con .row .col-6 > div {
        padding: 12px !important;
    }
    
    .credentials-con .row .col-6 img[src*="logo"] {
        max-width: 45px !important;
    }
    
    .credentials-con .row .col-6 h5 {
        font-size: 13px !important;
    }
    
    /* Adjust icon sizes in highlights */
    .credentials-con .row .col-6 .fa-medal,
    .credentials-con .row .col-6 .fa-running,
    .credentials-con .row .col-12 .fa-trophy {
        font-size: 18px !important;
    }
    
    .credentials-con .row .col-6 div[style*="width: 50px"] {
        width: 45px !important;
        height: 45px !important;
    }
}