/* Base Layout */
body {
    margin: 0;
    font-family: 'Inter', Helvetica, Arial, sans-serif;
    display: flex;
    height: 100vh;
    overflow: hidden;
    background: var(--sand);
    color: var(--ink);
}

:root {
  --sand: #EFEAE4;
  --stone: #CFC6B8;
  --clay: #A68A69;
  --ocean-light: #AECBE8;
  --ocean-mid: #7A90A8;
  --navy: #1E2A36;
  --ink: #0F1A2B;
  --white: #FFFFFF;
}

/*--------------------------- Sidebar ---------------------------*/
.sidebar {
    width: 35%;
    background-color: var(--navy);
    color: var(--sand);
    padding: 40px 30px;
    box-sizing: border-box;
    position: relative;
    display: flex;
    flex-direction: column;
}

/* Top row*/
.top-row {
    display: normal;
    align-items: normal; /* vertically aligns photo + text */
    justify-content: flex-start; /* put them on the left */
    gap: 15px; /* space between photo and text */
}

/* My portfolio*/
.section-title {
    margin: 0;
    padding-top: 6px;
}

/*About me*/
.about-me {
    margin-top: 10px;
    line-height: 1.4;
    font-size: 12px;
    font-family: Helvetica;
}

.name {
    margin: 0 0 4px;
    font-size: 24px;
    font-weight: 600;
    letter-spacing: 0.4px;
}

.title {
    margin: 0 0 12px;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--ocean-light);
}

.quick-facts {
    margin-top: 18px;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.quick-facts h3 {
    margin: 0 0 8px;
    font-size: 14px;
    letter-spacing: 0.6px;
    text-transform: uppercase;
}

.quick-facts ul {
    margin: 0 0 10px;
    padding-left: 16px;
    line-height: 1.5;
}

.quick-facts li {
    margin-bottom: 6px;
}

.availability {
    margin: 0;
    font-size: 12.5px;
    color: var(--ocean-light);
}

/* Profile Photo */
.profile-photo {
    width: 200px;
    height: 200px;
    overflow: hidden;
    border: none;
    float: right; /*to wrap text around*/
    margin-bottom: 15px;
    margin-left: 15px;
    border-radius: 50%;
    shape-outside: circle(50%);
    clip-path: circle(50%);
}

.profile-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Navigation */
.sidebar ul {
    list-style: none;
    padding: 0;
    margin-top: 10px;
}

.sidebar ul li {
    margin: 12px 0;
}

.sidebar a {
    text-decoration: none;
    color: var(--sand);
    font-weight: 500;
    letter-spacing: 0.5px;
}

.sidebar a:hover {
    color: var(--ocean-light);
    text-decoration: none;
}

/* Social Icons at Bottom Left */
.socials {
    position: absolute;
    bottom: 20px;
    left: 20px;
    display: flex;
    gap: 15px;
}

.socials img {
    width: 40px;
    height: auto;
    cursor: pointer;
    filter: brightness(90%);
    transition: 0.2s;
}

.icon-github {
    width: 30px;
}

.icon-linkedin {
    width: 24px;
}

.socials img:hover {
    filter: brightness(110%);
}

/* CV Image at Bottom Right */
.cv-preview {
    position: absolute;
    bottom: 0;
    right: 0px; /* makes it peek from the right corner */
    width: 200px;
    transform: translateY(20%) rotate(-12deg);
}

.cv-preview img {
    width: 100%;
    border: none;
    border-radius: 0px;
    cursor: pointer;
    transition: transform 0.2s;
}

.cv-preview img:hover {
    transform: scale(1.05);
}

/*------------------------------------ Main Page Area ---------------------------------------------*/
.content {
    width: 75%;
    overflow-y: scroll;
    padding: 40px 50px;
    box-sizing: border-box;
    background: var(--sand);
}

section {
    margin-bottom: 80px;
}

section h2 {
    font-family: 'Playfair Display', serif;
    font-size: 28px;
    font-weight: 500;
    border-bottom: none;
    margin-bottom: 25px;
}

/* Scrollbar styling */
.content::-webkit-scrollbar {
    width: 8px;
}
.content::-webkit-scrollbar-thumb {
    background: var(--ocean-mid);
    border-radius: 4px;
}

/* Topbar navigation */
.top-nav {
    height: 60px;
    border-bottom: none;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 0 30px;
    box-sizing: border-box;
    background-color: none;
}

.top-nav ul {
    list-style: none;
    display: flex;
    gap: 30px;
    margin: 0;
    padding: 0;
}

.top-nav a {
    text-decoration: none;
    color: #0F1A2B;
    font-weight: 500;
    font-size: 15px;
    position: relative;
    }

.top-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 0;
    height: 2px;
    background: #0F1A2B;
    transition: width 0.25s;
}

.top-nav a:hover::after {
    width: 100%;
}

/*Funding & Affiliation*/
.affiliations-section {
    margin-top: 80px;
    padding: 40px 20px;
    text-align: center;
}

.affiliations-title {
    font-size: 1.8rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: #2f4f4f;
    margin-bottom: 40px;
    position: relative;
}

/*horizontal lines beside title*/
.affiliations-title::before,
.affiliations-title::after {
    content: "";
    display: inline-block;
    width: 80px;
    height: 1px;
    background: #9fb3b3;
    vertical-align: middle;
    margin: 0 18px;
    }

.affiliations-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(140px, 1fr));
    gap: 40px;
    align-items: center;
    max-width: 900px;
    margin: 0 auto 30px;
}

.affiliations-grid img {
    max-height: 90px;
    margin: auto;
    object-fit: contain;
    opacity: 0.95;
    transition: transform 0.4s ease, opacity 0.4s ease;
    }

.plus-logo {
    max-height: 200px;
}

.copernicus-logo {
    max-height: 100px;
}

.ubs-logo {
    max-height: 30px;
}

.europeanunionlogo {
    grid-column: 1 / -1;
    justify-self: center;
    margin-top: 20px;
    max-height: 200px;
}

/* motion */
.affiliations-grid img:hover {
    transform: translateY(-6px);
    opacity: 1;
}

.eu-funding-text {
    font-size: 0.85rem;
    color: #666;
    margin-top: 20px;
}



/* Projects grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 10px;
}

/* Project card styling */
.project-card {
    display: block;
    border-radius: 18px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    background-color: #fff;
    box-shadow: 0 8px 30px rgba(15, 26, 43, 0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

/* Image inside card */
.project-card img {
    width: 100%;
    object-fit: cover;
    display: block;
}

/* Info inside card */
.project-info {
    padding: 10px 15px;
}

.project-info h4 {
    font-family: 'Playfair Display', serif;
    font-size: 18px;
}

.project-info p {
    font-size: 14px;
    color: var(--ocean-mid);
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.skill-card {
    background: var(--white);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 8px 24px rgba(15, 26, 43, 0.08);
}

.skill-card h3 {
    margin-top: 0;
    font-size: 18px;
    font-family: 'Playfair Display', serif;
}

.skill-card ul {
    margin: 10px 0 0;
    padding-left: 18px;
    color: var(--ocean-mid);
    font-size: 14px;
    line-height: 1.5;
}

.skill-card li {
    margin-bottom: 6px;
}

/* Big card for master thesis */
.big-card {
    display: block;
    margin-top: 15px;
    height: 250px;
}

.big-card img {
    height: 180px;
}

/* Certificates */
#certificates {
  padding: 4rem 2rem;
  text-align: center;
}

#certificates h2 {
  margin-bottom: 2rem;
}

/* Wall layout */
.certificate-wall {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2.5rem;
}

/* Frame */
.certificate-frame {
  background: var(--white);
  padding: 1.2rem;
  border-radius: 12px;
  width: 260px;
  box-shadow: 
    0 20px 40px rgba(15, 26, 43, 0.12);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

/* Image */
.certificate-frame img {
  width: 100%;
  height: auto;
  border-radius: 4px;
}

/* Title */
.certificate-title {
  display: block;
  margin-top: 0.8rem;
  font-size: 0.85rem;
  color: var(--ocean-mid);
  letter-spacing: 0.4px;
}

/* Tilt effects */
.tilt-left {
  transform: rotate(-2deg);
}

.tilt-right {
  transform: rotate(2deg);
}

/* Hover effect */
.certificate-frame:hover {
  transform: rotate(0deg) scale(1.05);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
}

/* Mobile friendly */
@media (max-width: 600px) {
  .certificate-frame {
    width: 90%;
  }
}

/* Contact links */
.contact-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.contact-links a {
    color: var(--navy);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 2px solid transparent;
}

.contact-links a:hover {
    border-color: var(--ocean-mid);
}