:root {
  --mulberry: #068653;
  --teal: #1f5b4b;
  --teal-dark: #123c31;
  --bg-dark: #0f1112;
  --bg-card: rgba(24, 27, 29, 0.9);
  --text-light: #ece7e6;
  --text-muted: #a7a1a0;
  --border-light: rgba(255, 255, 255, 0.09);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  --sidebar-width: 320px;
}

html,
body {
  overflow-x: hidden;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--text-light);
  line-height: 1.6;
  background:
    linear-gradient(rgba(8, 12, 12, 0), rgba(8, 12, 12, 0)),
    url('images/page-bg.jpg') center/cover fixed no-repeat;
}

.page-shell {
  display: flex;
}

.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  height: 100vh;
  width: var(--sidebar-width);
  background: var(--bg-card);
  border-right: 1px solid var(--border-light);
  padding: 1.25rem 1.1rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  backdrop-filter: blur(14px);
}

.sidebar-profile {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-light);
}

.profile-photo {
  width: min(190px, 100%);
  height: min(190px, 100vw - 120px);
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow);
}

.sidebar-profile-text h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.5rem;
  line-height: 1.1;
  margin-bottom: 0.35rem;
}

.sidebar-profile-text h2 {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-light);
  margin-bottom: 0.4rem;
}

.sidebar-profile-text p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.sidebar-nav {
  padding: 1rem 0 0.75rem;
}

.sidebar ul {
  list-style: none;
}

.nav-link {
  display: block;
  padding: 0.82rem 1rem;
  margin-bottom: 0.45rem;
  text-decoration: none;
  color: var(--text-light);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  transition: all 0.25s ease;
}

.nav-link:hover,
.nav-link.active {
  background: var(--mulberry);
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateX(6px);
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
  text-align: center;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  color: #ece7e6;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.09);
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.social-links i,
.social-links svg {
  font-size: 0.75rem;
  width: 14px;
  height: 14px;
  line-height: 1;
}

.social-links a:hover {
  background: var(--mulberry);
  color: white;
  transform: translateY(-2px);
}

.copyright,
.sidebar-footer p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.hamburger {
  display: none;
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 1100;
  background: var(--mulberry);
  color: white;
  border: 0;
  border-radius: 12px;
  width: 48px;
  height: 48px;
  font-size: 1.4rem;
}

.main-content {
  margin-left: var(--sidebar-width);
  padding: clamp(1.5rem, 4vw, 3rem);
  width: auto;
  max-width: calc(100% - var(--sidebar-width));
  box-sizing: border-box;
}

.content-section {
  max-width: 1200px;
  margin: 0 auto 6rem;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2.5rem, 6vw, 4rem);
  color: #7af0b7;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.about-content {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.about-photo-wrap {
  display: flex;
  justify-content: center;
}

.about-photo {
  width: 100%;
  max-width: 460px;
  height: 520px;
  object-fit: cover;
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.about-text p {
  margin-bottom: 1.25rem;
}

.cv-button,
.submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--mulberry);
  color: white;
  padding: 1rem 2rem;
  border-radius: 999px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.25s ease;
}

.cv-button:hover,
.submit-btn:hover {
  background: var(--teal);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.timeline-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  padding: 2rem;
  backdrop-filter: blur(16px);
}

.degree-item {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 1.2rem;
  align-items: start;
}

.degree-logo-wrap {
  width: 84px;
  height: 84px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-light);
  padding: 0.7rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.degree-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.degree-content h3 {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: baseline;
  margin-bottom: 0.75rem;
  color: var(--text-light);
}

.degree-content h3 span {
  font-size: 0.95rem;
  color: #9de7c6;
}

.timeline-item p {
  margin-bottom: 0.65rem;
  color: var(--text-muted);
}

.carousel-container {
  max-width: 1000px;
  margin: 0 auto;
}

.carousel {
  position: relative;
  height: 500px;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.slides,
.slide {
  width: 100%;
  height: 100%;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.slide.active {
  opacity: 1;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  cursor: zoom-in;
}

.slide-caption {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
  background: rgba(0, 0, 0, 0.7);
  padding: 1rem 1.25rem;
  border-radius: 16px;
}

.gallery-hint {
  margin-top: 1rem;
  text-align: center;
  color: var(--text-muted);
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: white;
  cursor: pointer;
  z-index: 10;
}

.carousel-btn:hover {
  background: var(--teal);
}

.prev {
  left: 1rem;
}

.next {
  right: 1rem;
}

.contact-form {
  max-width: 800px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  border-radius: 24px;
  padding: 2.5rem;
  backdrop-filter: blur(16px);
}

.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

input,
select,
textarea {
  width: 100%;
  padding: 1rem 1.2rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  color: var(--text-light);
  font-size: 1rem;
}

select option {
  color: #111;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(31, 91, 75, 0.25);
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox.open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox img {
  max-width: min(92vw, 1400px);
  max-height: 88vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 16px;
  box-shadow: var(--shadow);
  cursor: zoom-out;
}

@media (max-width: 992px) {
  .sidebar {
    width: 300px;
  }

  .main-content {
    margin-left: 0;
    max-width: 100%;
    width: 100%;
    padding: 2.5rem 1.5rem 3rem;
  }

  .about-content {
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .page-shell {
    display: block;
  }

  .hamburger {
    display: block;
  }

  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    width: 290px;
    height: 100dvh;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
    padding: 5.5rem 1.1rem 2.5rem;
  }

  .about-content {
    grid-template-columns: 1fr;
  }

  .carousel {
    height: 320px;
  }

  .profile-photo {
    width: 140px;
    height: 140px;
  }

  .degree-item {
    grid-template-columns: 1fr;
  }

  .degree-logo-wrap {
    width: 72px;
    height: 72px;
  }
}

.social-links i {
  font-size: 1.05rem;
  line-height: 1;
}

@supports not (backdrop-filter: blur(14px)) {

  .sidebar,
  .timeline-item,
  .contact-form {
    background: rgba(24, 27, 29, 0.96);
  }
}

.quote-footer {
  max-width: 900px;
  margin: 60px 20px 0 auto;
  padding: 0 20px;
  text-align: right;
  color: #b8b5b5;
}

.quote {
  font-style: italic;
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 10px;
}

.author {
  font-size: 0.85rem;
  opacity: 0.8;
}