@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,300;0,400;0,500;0,700;1,300;1,400;1,700&display=swap');

/* Reset */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', sans-serif;
  font-size: 15px;
  font-weight: 300;
  line-height: 1.8;
  color: #000;
  background: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ─── Site-wide max-width wrapper ─── */
.site-wrapper {
  max-width: 1700px;
  margin: 0 auto;
}

/* Full-bleed sections break out of wrapper */
.hero,
.contact-hero {
  max-width: none;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  width: 100vw;
}

a {
  color: inherit;
  text-decoration: underline;
}

a:hover {
  opacity: 0.7;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ─── Header ─── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.3s;
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1700px;
  margin: 0 auto;
  padding: 24px 40px;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
}

.site-header.dark-header {
  color: #fff;
}

.site-header.dark-header .site-logo {
  color: #fff;
}

.site-header.dark-header .social-icons svg {
  fill: #fff;
}

.site-header.hero-header .site-nav a,
.site-header.hero-header .social-icons svg {
  color: #fff;
  fill: #fff;
}

.site-header.hero-header.scrolled .site-nav a,
.site-header.hero-header.scrolled .social-icons svg {
  color: #000;
  fill: #000;
}

.site-header.dark-header.scrolled {
  background: rgba(0, 0, 0, 0.85);
}

.site-logo {
  font-size: 30px;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: -0.02em;
  color: #000;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-nav a {
  font-size: 18px;
  font-weight: 400;
  text-decoration: none;
  letter-spacing: 0.02em;
}

.site-nav a.active {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.social-icons {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: 16px;
}

.social-icons a {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.social-icons svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* Mobile menu */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: inherit;
  z-index: 101;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 1px;
  background: currentColor;
  margin: 6px 0;
  transition: 0.3s;
}

.menu-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ─── Footer ─── */
.site-footer {
  padding: 40px 0 50px;
  text-align: center;
}

.site-footer .social-icons {
  justify-content: center;
  margin-left: 0;
}

.site-footer .social-icons svg {
  width: 20px;
  height: 20px;
  fill: #000;
}

/* ─── Layout ─── */
.section {
  padding: 80px 40px;
}

.section-small {
  padding: 40px 40px;
}

.section-large {
  padding: 120px 40px;
}

.container-narrow {
  max-width: 640px;
  margin: 0 auto;
}

.container-medium {
  max-width: 800px;
  margin: 0 auto;
}

.container-wide {
  max-width: 1100px;
  margin: 0 auto;
}

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

/* ─── Typography ─── */
h1 {
  font-size: 39px;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 0.5em;
}

h2 {
  font-size: 30px;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin-bottom: 0.5em;
}

h3 {
  font-size: 24px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1em;
}

h4 {
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.02em;
  margin-bottom: 0.5em;
}

p {
  margin-bottom: 1em;
}

p:last-child {
  margin-bottom: 0;
}

/* ─── Homepage Hero ─── */
.hero {
  height: 60vh;
  min-height: 400px;
  background-size: cover;
  background-position: center;
  position: relative;
  max-width: none;
}

/* ─── Homepage Intro Card ─── */
.intro-section {
  padding: 80px 40px;
}

.intro-card {
  display: flex;
  align-items: center;
  gap: 0;
  max-width: 1100px;
  margin: 0 auto;
}

.intro-text {
  flex: 1;
  padding-right: 60px;
}

.intro-text h1 {
  font-size: 39px;
  margin-bottom: 0.4em;
}

.intro-text h3 {
  font-size: 24px;
  font-weight: 300;
  text-transform: none;
  letter-spacing: 0;
  line-height: 1.7;
}

.intro-text h3 a {
  text-decoration: underline;
}

.intro-image {
  flex: 0 0 auto;
  width: 380px;
}

.intro-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ─── Quote Section ─── */
.quote-section {
  padding: 100px 40px;
}

.quote-section h2 {
  font-size: 30px;
  font-weight: 500;
  line-height: 1.5;
  max-width: 800px;
  margin: 0 auto 20px;
}

.quote-section .attribution {
  font-size: 13px;
  font-weight: 300;
  color: #666;
}

/* ─── Engagement / Education ─── */
.cv-section {
  padding: 40px 40px;
}

.cv-section .container-narrow {
  text-align: left;
}

.cv-section h3 {
  font-size: 15px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.5em;
}

.cv-entry {
  margin-bottom: 1.5em;
}

.cv-entry .year {
  font-size: 15px;
  font-weight: 400;
}

.cv-entry .role {
  font-size: 15px;
  font-weight: 300;
}

.cv-entry a {
  font-size: 14px;
  font-weight: 300;
}

.photo-credit {
  padding: 20px 40px 40px;
  font-size: 13px;
  font-weight: 300;
  color: #666;
  max-width: 400px;
}

/* ─── Experiences Page ─── */
.experiences-hero {
  padding: 120px 40px 60px;
  max-width: 640px;
}

.experiences-hero h1 {
  font-size: 39px;
}

/* Marquee */
.marquee-section {
  padding: 40px 0;
  overflow: hidden;
  position: relative;
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 20px;
  white-space: nowrap;
  flex-wrap: wrap;
  justify-content: center;
  padding: 20px 40px;
}

.marquee-track a {
  font-size: 30px;
  font-weight: 500;
  text-decoration: none;
  color: #000;
  letter-spacing: -0.02em;
  transition: opacity 0.2s;
}

.marquee-track a:hover {
  opacity: 0.6;
}

.marquee-track .separator {
  font-size: 26px;
  font-weight: 300;
  color: #999;
  margin: 0 8px;
}

/* Hover-follow GIF preview */
.hover-preview {
  position: fixed;
  top: 0;
  left: 0;
  width: 45vmin;
  height: 45vmin;
  pointer-events: none;
  z-index: 50;
  opacity: 0;
  transition: opacity 0.3s ease;
  margin-left: -22.5vmin;
  margin-top: -22.5vmin;
}

.hover-preview.active {
  opacity: 1;
}

.hover-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}

.marquee-track a[data-gif] {
  position: relative;
  z-index: 51;
}

/* Services section */
.services-section {
  padding: 80px 40px;
}

.services-section h2 {
  font-size: 24px;
  font-weight: 500;
  margin-bottom: 0.4em;
}

.services-section p {
  font-size: 15px;
  font-weight: 300;
  margin-bottom: 2em;
}

/* Fields of Interest */
.fields-section {
  padding: 60px 40px;
  text-align: center;
}

.fields-section h2 {
  font-size: 24px;
  margin-bottom: 0.5em;
}

.fields-section p {
  font-size: 15px;
  font-weight: 300;
  color: #444;
}

/* Contact block (on experiences page) */
.contact-block {
  padding: 60px 40px;
  text-align: center;
}

.contact-block h2 {
  font-size: 24px;
  margin-bottom: 0.5em;
}

.contact-block p {
  font-size: 15px;
  font-weight: 300;
}

.contact-block a {
  color: #666;
}

/* ─── Contact Page ─── */
.contact-hero {
  min-height: 100vh;
  background-size: cover;
  background-position: center;
  position: relative;
  display: flex;
  align-items: center;
  padding: 120px 60px 80px;
  color: #fff;
}

.contact-hero .contact-content {
  max-width: 1700px;
  margin: 0 auto;
  width: 100%;
  padding: 0 40px;
}

.contact-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.15);
}

.contact-content {
  position: relative;
  z-index: 1;
}

.contact-content .label {
  font-size: 15px;
  font-weight: 300;
  margin-bottom: 20px;
}

.contact-content h2 {
  font-size: 30px;
  font-weight: 500;
  line-height: 1.4;
}

.contact-content h2 a {
  color: #fff;
  text-decoration: underline;
}

.contact-content .follow-label {
  font-size: 15px;
  font-weight: 300;
  margin-top: 40px;
  margin-bottom: 15px;
  font-style: italic;
}

.contact-content .follow-link {
  font-size: 30px;
  font-weight: 500;
}

.contact-content .follow-link a {
  color: #fff;
}

/* ─── Experience Detail Pages ─── */
.experience-detail {
  padding: 140px 40px 60px;
  text-align: center;
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.experience-detail h4 {
  font-size: 15px;
  font-weight: 400;
  margin-bottom: 20px;
}

.experience-detail h2 {
  font-size: 30px;
  font-weight: 500;
  line-height: 1.4;
  max-width: 700px;
  margin: 0 auto;
}

.experience-detail p {
  font-size: 15px;
  font-weight: 300;
  margin-top: 20px;
}

.experience-detail p a {
  color: #888;
}

/* Experience detail - rich content (Glaskugel) */
.experience-content {
  padding: 40px 40px 80px;
  max-width: 700px;
  margin: 0 auto;
}

.experience-content h2 {
  font-size: 24px;
  font-weight: 500;
  margin: 2em 0 0.5em;
  text-align: left;
}

.experience-content h3 {
  font-size: 18px;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  text-align: center;
  margin-bottom: 0.5em;
}

.experience-content p {
  font-size: 15px;
  font-weight: 300;
  margin-bottom: 1.2em;
}

.experience-content ol {
  padding-left: 1.5em;
  margin-bottom: 1.5em;
}

.experience-content ol li {
  font-size: 15px;
  font-weight: 300;
  margin-bottom: 0.3em;
}

.experience-content img {
  margin: 30px auto;
  border-radius: 0;
}

.experience-content .image-caption {
  font-size: 13px;
  color: #888;
  text-align: center;
  margin-top: -20px;
  margin-bottom: 30px;
}

/* Photo gallery (3 images side by side) */
.photo-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 40px 0;
}

.photo-gallery img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  margin: 0;
}

/* Experience closing statement */
.experience-closing {
  padding: 80px 40px;
  text-align: center;
}

.experience-closing h2 {
  font-size: 30px;
  font-weight: 500;
  max-width: 600px;
  margin: 0 auto;
}

/* Prev/Next navigation */
.experience-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 40px;
  border-top: 1px solid #eee;
  max-width: 1100px;
  margin: 0 auto;
}

.experience-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 400;
}

.experience-nav a:hover {
  opacity: 0.6;
}

.experience-nav .arrow {
  font-size: 1.8em;
  font-weight: 200;
  line-height: 1;
}

.experience-nav .next {
  margin-left: auto;
}

/* ─── Snippets Page ─── */
.snippets-hero {
  padding: 120px 40px 40px;
  text-align: center;
}

.snippets-hero h1 {
  font-size: 39px;
  margin-bottom: 0.3em;
}

.snippets-hero p {
  font-size: 15px;
  font-weight: 300;
  color: #666;
}

.snippets-list {
  max-width: 700px;
  margin: 0 auto;
  padding: 20px 40px 80px;
}

.snippet-item {
  padding: 40px 0;
  border-bottom: 1px solid #eee;
}

.snippet-item:first-child {
  border-top: 1px solid #eee;
}

.snippet-meta {
  font-size: 13px;
  font-weight: 300;
  color: #888;
  margin-bottom: 8px;
}

.snippet-item h2 {
  font-size: 24px;
  font-weight: 500;
  margin-bottom: 0.8em;
}

.snippet-item h2 a {
  text-decoration: none;
}

.snippet-item h2 a:hover {
  text-decoration: underline;
}

.snippet-body p {
  font-size: 15px;
  font-weight: 300;
  margin-bottom: 1em;
}

.snippet-body img {
  margin: 20px 0;
}

.snippet-body .video-embed {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  margin: 20px 0;
}

.snippet-body .video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.snippet-body blockquote {
  border-left: 2px solid #ddd;
  padding-left: 20px;
  margin: 20px 0;
  font-style: italic;
  color: #555;
}

/* ─── Snippet Detail Page ─── */
.snippet-detail {
  padding: 120px 40px 60px;
  max-width: 700px;
  margin: 0 auto;
}

.snippet-detail .snippet-meta {
  margin-bottom: 12px;
}

.snippet-detail h1 {
  font-size: 30px;
  margin-bottom: 1em;
}

.snippet-detail-body p {
  font-size: 15px;
  font-weight: 300;
  margin-bottom: 1.2em;
}

.snippet-detail-body img {
  margin: 25px 0;
}

.snippet-detail-body .video-embed {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  margin: 25px 0;
}

.snippet-detail-body .video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.snippet-detail-body blockquote {
  border-left: 2px solid #ddd;
  padding-left: 20px;
  margin: 25px 0;
  font-style: italic;
  color: #555;
}

.snippet-linkedin {
  margin-top: 40px;
}

.btn-linkedin {
  display: inline-block;
  padding: 10px 24px;
  background: #000;
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.02em;
  transition: opacity 0.2s;
}

.btn-linkedin:hover {
  opacity: 0.7;
}

.snippet-back {
  margin-top: 20px;
  padding-top: 30px;
  border-top: 1px solid #eee;
}

.snippet-back a {
  font-size: 15px;
  font-weight: 400;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .site-header-inner {
    padding: 18px 20px;
  }

  .site-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #fff;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 36px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    z-index: 99;
  }

  .dark-header .site-nav {
    background: #222;
  }

  .site-nav.open {
    opacity: 1;
    pointer-events: all;
  }

  /* Force black text on white overlay for ALL pages including hero-header */
  .site-nav.open a {
    color: #000 !important;
    font-size: 28px;
    font-weight: 400;
  }

  .dark-header .site-nav.open a {
    color: #fff !important;
  }

  .social-icons {
    margin-left: 0;
    margin-top: 20px;
  }

  .site-nav.open .social-icons svg {
    fill: #000 !important;
  }

  .dark-header .site-nav.open .social-icons svg {
    fill: #fff !important;
  }

  .menu-toggle {
    display: block;
  }

  /* Hamburger white on hero, black when menu open */
  .hero-header .menu-toggle {
    color: #fff;
  }

  .hero-header .menu-toggle.open {
    color: #000;
  }

  .hero-header.scrolled .menu-toggle {
    color: #000;
  }

  .hero {
    height: 50vh;
  }

  .intro-card {
    flex-direction: column-reverse;
    gap: 40px;
  }

  .intro-text {
    padding-right: 0;
  }

  .intro-image {
    width: 280px;
  }

  .section, .section-large {
    padding: 60px 20px;
  }

  .section-small, .cv-section {
    padding: 30px 20px;
  }

  .quote-section {
    padding: 60px 20px;
  }

  .quote-section h2 {
    font-size: 22px;
  }

  h1 {
    font-size: 28px;
  }

  h2 {
    font-size: 22px;
  }

  h3 {
    font-size: 18px;
  }

  .site-logo {
    font-size: 22px;
  }

  .marquee-track a {
    font-size: 22px;
  }

  .experience-nav {
    padding: 30px 20px;
  }

  .experience-detail {
    padding: 100px 20px 40px;
  }

  .experience-content {
    padding: 30px 20px 60px;
  }

  .photo-gallery {
    grid-template-columns: 1fr;
  }

  .photo-gallery img {
    height: auto;
  }

  .contact-hero {
    padding: 100px 30px 60px;
  }

  .contact-content h2 {
    font-size: 1.5em;
  }

  .snippets-list {
    padding: 20px 20px 60px;
  }

  .snippet-detail {
    padding: 100px 20px 40px;
  }

  .experiences-hero {
    padding: 100px 20px 40px;
  }

  .photo-credit {
    padding: 20px 20px 40px;
  }
}