/*===========================================
============= Index Page Styles =============
===========================================*/
:root {
  --accent: #ffffff;
}

html, body {
  min-height: 100%;
  height: auto;
  overflow-y: auto;
}


.page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
  padding: 0%;
  opacity: 1;
  transition: opacity 0.4s ease-in-out;
}


main .container {
  padding-top: 20px;
  padding-bottom: 20px;
}

body {
  font-family: 'Roboto', sans-serif;
  margin: 0;
  padding: 0;
 /*  padding-bottom: 60px; Makes space for fixed footer */
  background: #f7fafd;
}

header {
  background-color: #333;
  color: white;
  text-align: center;
  margin: 0;
  padding: 0;
}

/* ---- BANNER (Header) ---- */
.banner {
  min-height: 260px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 100%;
  margin: 0;
  padding: 0;
  border: none;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
}
.banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,38,96,0.32);
  z-index: 0;
  pointer-events: none;
}
.banner-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 700px;
  margin: 0 1rem;
}
.header-banner {
  background: url('../backgrounds/WisconsinLake.jpg') center center / cover no-repeat;
  min-height: 260px;
}

/* ---- STICKY NAV BELOW HEADER ---- */
.header-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.5rem 0;
  width: 100%;
  box-sizing: border-box;
  background: rgba(0, 0, 0, 0.89); 
  /*background: url('../backgrounds/navbar2.png') center center / cover no-repeat; */
  position: sticky;
  top: 0;
  left: 0;
  margin: 0;
  z-index: 20;
  /* Optional for shadow effect on scroll: */
  box-shadow: 0 2px 8px rgba(0,0,0,0.07);
}
.header-nav a {
  flex-grow: 1;
  text-align: center;
  padding: 0.5em 1.2em;
  color: #ffffff;
  background: none;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  font-size: 1.08rem;
  transition: color .15s, background .15s;
  white-space: nowrap;
  border: none;
}
.header-nav a.active,
.header-nav a:hover {
  color: var(--accent);
  background: rgb(3, 33, 114);
  font-weight: 700;
}



/* ---- FOOTER ---- */
footer {
  color: white;
  text-align: center;
  width: 100%;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}


/* FOOTER BANNER */
.footer-banner {
  background-image: url('../backgrounds/footer.png');
  min-height: 140px;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 100%;
}
.footer-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10,18,38,0.45);
  z-index: 0;
  pointer-events: none;
}
.footer-banner .banner-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 700px;
  margin: 0 1rem;
}

/* Responsive (Recommended) */
@media (max-width: 700px) {
  .banner, .header-banner {
    min-height: 100px;
  }
  .header-nav a {
    font-size: 1rem;
    padding: 0.5em 0.6em;
  }
  main {
    /* padding: 1rem 1vw; */
    padding-bottom: 90px;
  }
  .footer-banner {
    min-height: 90px;
  }
}

/*===========================================
============= Home Page Styles =============
===========================================*/
.home-sections {
  display: flex;
  flex-direction: column;
  gap: 0;
  width: 100%;
  padding-bottom: 90px;
}

/* FULL WIDTH, edge-to-edge */
.home-window {
  width: 100%;
  margin: 0;
  padding: 2.2rem 4vw;
  box-sizing: border-box;
  min-height: 140px;
  background: #fff;
  border-radius: 0;
  box-shadow: none;
  border: none;
  position: relative;
}

/* BIO FLEX: IMAGE LEFT/TOP ON MOBILE */
.revanth-bio {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 2rem;
}

.revanth-bio-img {
  width: 21vw;           /* 21% of viewport width (tweak as needed) */
  max-width: 250px;      /* prevent it from getting too large */
  min-width: 120px;      /* keep usability on small screens */
  aspect-ratio: 4 / 5;   /* Ratio (portrait rectangle), supported in most modern browsers */
  border-radius: 18px;   /* rounded corners */
  overflow: hidden;
  background: #eaf5fd;
  box-shadow: 0 0 8px rgba(0,0,0,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
}
.revanth-bio-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Mobile tweaks */
@media (max-width: 600px) {
  .revanth-bio-img {
    width: 45vw;
    min-width: 80px;
    max-width: 180px;
    aspect-ratio: 1/1;
    border-radius: 14px;
    gap: 1.2rem;
  }
}

.revanth-bio-text {
  flex: 1;
}

/* FEATURED CONTENT */
.featured-content {
  background: #f3f8fd;
  border-radius: 16px;
  padding: 2rem 1vw;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-sizing: border-box;
}

.featured-items {
  display: flex;
  flex-wrap: wrap;
  gap: 2vw;
  width: 100%;
  max-width: 1500px;
  justify-content: center;
  align-items: stretch;
}

.featured-poster{
  /* Flex siblings, share space, shrink if needed */
  flex: 1 1 340px;
  min-width: 220px;
  max-width: 500px;
  box-sizing: border-box;
  margin: 0;
  /* Remove individual backgrounds, borders, shadows */
  background: none;
  border-radius: 0;
  box-shadow: none;
  padding: 0 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.featured-linkedin {
  flex: 1 1 340px;      /* More bias toward being larger! */
  min-width: 420px;
  max-width: 900px;     /* Allow much wider for desktop */
  box-sizing: border-box;
  margin: 0;
  background: none;
  border-radius: 0;
  box-shadow: none;
  padding: 0 8px;      /* More inner space if desired */
  display: flex;
  flex-direction: column;
  align-items: center;
}

.featured-thumb {
  width: 100%;
  max-width: 640px;
  aspect-ratio: 4/3;
  border-radius: 14px;
  object-fit: contain;
  background: #eaf5fd;
  margin-bottom: 10px;
}

.featured-caption {
  text-align: center;
  color: #2253a4;
  font-weight: 500;
  margin-top: 5px;
  font-size: 1em;
}

.featured-linkedin iframe {
  width: 100%;
  height: 390px;        /* Optional: make it a bit taller for balance */
  min-width: 220px;
  min-height: 260px;
  max-width: 840px;     /* So iframe fills the flex container */
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(52,152,219,0.07);
  border: none;
  background: #fff;
}

@media (max-width: 900px) {
  .featured-items {
    gap: 2vw;
    max-width: 120vw;
  }
  .featured-poster, .featured-linkedin {
    flex: 1 1 210px;
    max-width: 420px;
    padding: 0 2vw;
  }
}

@media (max-width: 650px) {
  .featured-items {
    flex-direction: column;
    gap: 1.3rem;
    align-items: center;
    max-width: 120vw;
  }
  .featured-poster, .featured-linkedin {
    width: 100%;
    min-width: 0;
    max-width: 120vw;
    padding: 0 2vw;
  }
  .featured-thumb,
  .featured-linkedin iframe {
    max-width: 150vw;
    min-height: 150px;
    height: 220px;
    margin-bottom: 8px;
  }
}

/* HOME MEDIA SECTION */
.home-media {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f7fafd;
  min-height: 220px;
  width: 100%;
  padding: 0;
}

.home-media video,
.home-media img {
  width: 100%;
  height: 100%;
  max-width: none;          /* Remove the previous max-width limit */
  max-height: 250px;         /* Remove the previous max-height limit */
  border-radius: 1.1rem;
  object-fit: cover;
  display: block;
}

.latest-news h3 {
  margin-bottom: 0.8rem;
}
.latest-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.latest-item {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  border-bottom: 1px solid #f0f4fa;
  padding: 0.32em 0;
}
.latest-item a {
  flex: 1;
  color: #2e52ae;
  text-decoration: none;
  border-bottom: 1px dotted #98b6e8;
  transition: color 0.13s, border 0.11s;
  font-weight: 500;
}
.latest-item a:hover {
  color: #182e64;
  border-bottom: 1px solid #2e52ae;
}
.latest-date {
  color: #888;
  font-size: 1em;
  margin-left: 1.7em;
  white-space: nowrap;
}

@media (max-width: 650px) {
  .featured-items {
    flex-direction: column;
    gap: 1.3rem;
    align-items: center;
  }
  .latest-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2em;
  }
  .home-window {
    padding: 1rem 0.5rem;
  }
  .home-media video, .home-media img {
    max-height: 200px;
    min-height: 100px;
  }
}

/*===========================================
========= Edu and Exp Page Styles ===========
===========================================*/
.resume-section {
  max-width: 100%;
  margin: 0.3rem auto 4rem auto;   /* top = 0.3rem (least gap), right = auto, bottom = 4rem (large gap), left = auto */
  padding: 0.1rem 0.1vw;
  background: #fcfdff;
  border-radius: 16px;
  box-shadow: 0 2px 14px rgba(28,54,110,0.12);
}

.section-title {
  margin-top: 1.5rem;
  margin-bottom: 1.0rem;
}
.section-title h2 {
  font-size: 2rem;
  color: #13489e;
  border-left: 5px solid #529cf9;
  padding-left: 0.6em;
  margin-bottom: 0;
}
.timeline {
  position: relative;
  margin-left: 1.2rem;
  border-left: 2px solid #e2e8f5;
  padding-left: 2rem;
  margin-bottom: 2.2rem;
}
.timeline-entry {
  position: relative;
  margin-bottom: 1.0rem;
  padding-left: 0.2em;
}
.timeline-dot {
  position: absolute;
  left: -1.38rem;
  top: 0.6em;
  width: 1em;
  height: 1em;
  background: linear-gradient(135deg, #368ffe, #195a9d);
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 1px 6px rgba(52,105,190,0.08);
  z-index: 1;
}

.timeline-entry > div {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 1px 10px rgba(28,54,110,0.06);
  padding: 1rem 1.3rem 1rem 1rem;
  position: relative;
  z-index: 2;
}

.timeline-sub {
  font-size: 1.03em;
  color: #295180;
  margin-bottom: 0.15em;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.2em;
}
.timeline-when {
  font-style: italic;
  color: #6688af;
  font-size: 0.97em;
}
.timeline-entry h3 {
  margin: 0;
  font-size: 1.12rem;
  color: #13489e;
}
.timeline-entry p, .timeline-entry ul {
  margin: 0.25em 0 0.25em 0;
  font-size: 1em;
  color: #222;
}
.timeline-entry ul {
  padding-left: 1.25em;
}
.timeline-entry li {
  margin-bottom: 0.2em;
}

@media (max-width: 700px) {
  .resume-section {
    padding: 1vw;
  }
  .section-title h2 { font-size: 1.25rem; padding-left: 0.25em; }
  .timeline { margin-left: 0.3rem; padding-left: 1.2rem; }
  .timeline-entry > div { padding: 0.7rem 0.6rem 0.7rem 0.5rem; }
  .timeline-dot { left: -1rem; }
}

/*===========================================
=========== Projects Page Styles ============
===========================================*/

        .container {
            width: 100%;
            margin: 0.3rem auto 4rem auto;   /* top = 0.3rem (least gap), right = auto, bottom = 4rem (large gap), left = auto */
            overflow: hidden;
            padding: 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-title h2 {
            font-size: 2.5rem;
            margin: 0;
            color: #1a5f7a;
        }
        .project {
            margin-bottom: 20px;
            padding: 20px;
            background: #fff;
            border-radius: 5px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .project:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
        }
        .project h3 {
            margin: 0 0 10px;
            color: #1a5f7a;
        }
        .project p {
            margin: 5px 0;
        }
        .project-status {
            display: inline-block;
            padding: 4px 8px;
            border-radius: 12px;
            font-size: 0.8rem;
            font-weight: 500;
            margin-top: 10px;
        }
        .status-completed {
            background-color: #d4edda;
            color: #155724;
        }
        .status-ongoing {
            background-color: #fff3cd;
            color: #856404;
        }

        /* Modal Styles */
        .modal {
            display: none;
            position: fixed;
            z-index: 9999;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            overflow: auto;
            background-color: rgba(0,0,0,0.5);
            animation: fadeIn 0.3s;
        }
        .modal-content {
            background-color: #fefefe;
            margin: 5% auto;
            padding: 0;
            border-radius: 10px;
            width: 90%;
            max-width: 900px;
            position: relative;
            animation: slideIn 0.3s;
            max-height: 80vh;
            overflow-y: auto;
        }
        .modal-header {
            background: linear-gradient(135deg, #1a5f7a, #3498db);
            color: white;
            padding: 20px;
            border-radius: 10px 10px 0 0;
            position: relative;
        }
        .modal-header h3 {
            margin: 0;
            font-size: 1.5rem;
        }
        .close {
            color: white;
            float: right;
            font-size: 28px;
            font-weight: bold;
            position: absolute;
            right: 15px;
            top: 15px;
            cursor: pointer;
        }
        .close:hover {
            opacity: 0.7;
        }
        .modal-body {
            padding: 20px;
        }
        .modal-body h4 {
            color: #1a5f7a;
            margin: 15px 0 10px 0;
        }
        .modal-body p, .modal-body li {
            line-height: 1.6;
            margin-bottom: 10px;
        }
        .modal-body ul {
            padding-left: 20px;
        }
        .modal-footer {
            padding: 15px 20px;
            border-top: 1px solid #eee;
            text-align: right;
        }
        .btn-read-more {
            background: linear-gradient(135deg, #1a5f7a, #3498db);
            color: white;
            padding: 10px 20px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.3s;
        }
        .btn-read-more:hover {
            background: linear-gradient(135deg, #154a5f, #2980b9);
        }
        .project-meta {
            display: flex;
            gap: 15px;
            margin: 15px 0;
            flex-wrap: wrap;
        }
        .meta-item {
            background: #f8f9fa;
            padding: 5px 10px;
            border-radius: 15px;
            font-size: 0.9rem;
            color: #666;
        }

/* Modal Animations */
        @keyframes fadeIn {
            from {opacity: 0;}
            to {opacity: 1;}
        }
        @keyframes slideIn {
            from {transform: translateY(-50px); opacity: 0;}
            to {transform: translateY(0); opacity: 1;}
        }

        @media (max-width: 768px) {
            .container {
                width: 95%;
            }
            .modal-content {
                width: 95%;
                margin: 10% auto;
            }
            .project-meta {
                flex-direction: column;
                gap: 5px;
            }
            nav {
                flex-wrap: wrap;
            }
            nav a {
                margin: 5px 10px;
            }
        }


/*===========================================
============= mosaic Page Styles ============
===========================================*/
/*===========================================
============= mosaic Page Styles ============
===========================================*/

.mosaic-container {
  width: 96%;               /* make it wider */
  max-width: 1400px;
  margin: 2rem auto;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.mosaic-section {
  background: #fff;
  padding: 1.2rem 1rem;     /* reduced padding */
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.mosaic-section h2 {
  color: #1a5f7a;
  font-size: 1.8rem;
  margin-bottom: 1rem;
  border-left: 4px solid #3498db;
  padding-left: 0.6rem;
}

.mosaic-list {
  list-style-type: disc;
  padding-left: 1.3rem;
  line-height: 1.8;
  color: #333;
}

/* ---- Photo Gallery ---- */
.photo-gallery {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 280px;
  overflow: hidden;
  border-radius: 10px;
  background-color: #f9fafb;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
}

.arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2rem;
  cursor: pointer;
  z-index: 5;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  border: none;
  border-radius: 50%;
  padding: 10px 15px;
  transition: background 0.3s;
}
.arrow:hover { background: rgba(0, 0, 0, 0.7); }
.arrow-left { left: 15px; }
.arrow-right { right: 15px; }

.photo-gallery-slide {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  width: 100%;
  position: relative;
}

.gallery-image {
  width: 100%;
  max-width: 600px;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  border-radius: 10px;
  transition: opacity 0.6s ease-in-out;
}
.gallery-image.active { opacity: 1; }

.gallery-indicators {
  display: flex;
  justify-content: center;
  margin-top: 0.8rem;
  gap: 8px;
}

.indicator {
  width: 12px;
  height: 12px;
  background: #ccc;
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.3s;
}
.indicator.active { background: #3498db; }

.loading-message {
  text-align: center;
  color: #666;
  font-style: italic;
  font-size: 0.95rem;
}

@media (max-width: 768px) {
  .mosaic-container { width: 98%; }
  .photo-gallery { height: 220px; }
}

/*===========================================
============= Publications Page Styles ======
===========================================*/

.publications-container {
  width: 96%;
  max-width: 1200px;
  margin: 2rem auto 4rem auto;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  padding: 2rem 1.5rem;
}

.publications-container .section-title h2 {
  color: #1a5f7a;
  font-size: 2rem;
  margin-bottom: 1.2rem;
  border-left: 4px solid #3498db;
  padding-left: 0.6rem;
}

.publications-list {
  list-style-type: none;
  margin: 0;
  padding: 0;
}

.publications-list li {
  background: #f9fafb;
  margin: 1rem 0;
  padding: 1.2rem 1rem;
  border-left: 4px solid #3498db;
  border-radius: 6px;
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.06);
  line-height: 1.7;
  color: #333;
}

.publications-list li em {
  color: #1a5f7a;
  font-style: italic;
}

.publications-list li strong {
  color: #13489e;
}

.publications-list a {
  color: #2e52ae;
  text-decoration: none;
  font-weight: 500;
}

.publications-list a:hover {
  text-decoration: underline;
  color: #1a5f7a;
}

@media (max-width: 768px) {
  .publications-container {
    width: 95%;
    padding: 1.2rem;
  }
  .publications-container .section-title h2 {
    font-size: 1.5rem;
  }
}