:root {
  /* Light Mode - Soft & Airy */
  --bg-color: #fff5f7;
  --primary-pink: #fbd2d9;
  --secondary-coral: #f8a8b0;
  --accent-lilac: #e0cde8;
  --text-primary: #5c3b44;
  --text-secondary: #9e747e;
  --shadow-color: #ecd4db;
  --card-bg: rgba(255, 245, 248, 0.7); /* glassy effect */
}

body.dark-mode {
  /* Dark Mode - Dreamy & Warm */
  --bg-color: #1e161a;
  --primary-pink: #ec9fa9;
  --secondary-coral: #b46078;
  --accent-lilac: #a28ab3;
  --text-primary: #f7e4e8;
  --text-secondary: #c5a4ac;
  --shadow-color: rgba(0, 0, 0, 0.6);
  --card-bg: rgba(40, 28, 34, 0.85); /* velvety, soft shadow */
}

/* Reset + Base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body,
html {
  overflow-x: hidden;
  overflow-y: scroll;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

body::-webkit-scrollbar {
  width: 0;
  background: transparent;
}

body {
  font-family: "Lora", serif !important;
  color: var(--text-primary) !important;
  background: var(--bg-color);
  line-height: 1.7;
  transition: background 0.4s ease, color 0.4s ease;
}

h1,
h2,
h3 {
  font-family: "Playfair Display", serif !important;
  font-weight: 700 !important;
  color: var(--text-primary);
}

a {
  text-decoration: none;
  color: inherit;
}

/* Toggle Button */
.theme-toggle {
  position: fixed;
  top: 1rem;
  right: 1rem;
  background: var(--primary-pink);
  border: none;
  font-size: 1.5rem;
  padding: 0.7rem 1rem;
  border-radius: 50%;
  cursor: pointer;
  z-index: 1000;
  box-shadow: 0 4px 12px var(--shadow-color);
  transition: background 0.4s, transform 0.3s ease;
}

.theme-toggle:hover {
  transform: scale(1.1);
}

/* Curtain for dark mode toggle */
.dark-curtain {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100vw;
  height: 100vh;
  background: var(--bg-color);
  z-index: 9999;
  pointer-events: none;
  display: none;
  will-change: transform, opacity;
  transition: none;
}

/* Sections */
section {
  padding: 4.5rem 2rem;
  text-align: center;
}

/* Hero */
.hero {
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: 100vh;
  background: radial-gradient(
    circle at top left,
    #f7cad0 10%,
    #fff1f5 40%,
    #fef6f9 100%
  );
  transition: background 0.4s ease;
}

body.dark-mode .hero {
  background: radial-gradient(
    circle at top left,
    #c36b7b 10%,
    #3c3338 40%,
    #2f2a2d 100%
  );
}

.hero-content {
  max-width: 40%;
  text-align: left;
  color: var(--text-primary);
}

.hero-content h1 {
  font-size: 3.2rem;
  margin-bottom: 1.2rem;
  font-weight: 600;
}

.hero-content p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* Avatar */
.avatar-placeholder {
  max-width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: linear-gradient(145deg, var(--accent-lilac), var(--primary-pink));
  border-radius: 2rem;
}

.avatar-placeholder img {
  width: 280px;
  height: auto;
  border-radius: 1rem;
  object-fit: cover;
  border: 3px solid var(--primary-pink);
  box-shadow: 0 6px 16px var(--shadow-color), 0 0 0.5rem var(--shadow-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.avatar-placeholder img:hover {
  transform: scale(1.02);
  box-shadow: 0 10px 30px var(--shadow-color), 0 0 1rem var(--shadow-color);
}

/* Section Backgrounds */
.about,
.skills {
  background: linear-gradient(180deg, #fff1f5 0%, #fef6f9 100%);
}
.projects {
  background: var(--accent-lilac);
}
.experience {
  background: var(--primary-pink);
}
.contact {
  background: #fef6f9;
}
body.dark-mode .about,
body.dark-mode .skills {
  background: linear-gradient(180deg, #3c3338 0%, #2f2a2d 100%);
}
/* DO NOT darken .projects and .experience in dark mode! */
body.dark-mode .contact {
  background: #3c3338;
}

/* Section Headings */
.about h2,
.skills h2,
.projects h2,
.experience h2,
.contact h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  position: relative;
  color: var(--text-primary);
  display: block;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.about h2::after,
.skills h2::after,
.projects h2::after,
.experience h2::after,
.contact h2::after {
  content: "";
  display: block;
  width: 60px;
  height: 3px;
  margin: 0.5rem auto 1.5rem;
  border-radius: 2px;
  background: var(--primary-pink);
}

body.dark-mode .about h2::after,
body.dark-mode .skills h2::after,
body.dark-mode .projects h2::after,
body.dark-mode .experience h2::after,
body.dark-mode .contact h2::after {
  background: var(--primary-pink);
}

/* Cards */
.about-cards,
.skill-grid,
.project-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
}

.card,
.skill,
.project-card {
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  border-radius: 20px;
  padding: 2rem;
  flex: 1 1 250px;
  border: 1px solid var(--primary-pink);
  box-shadow: 0 6px 20px var(--shadow-color);
  transition: transform 0.3s ease, background 0.4s ease, box-shadow 0.4s ease;
}

.card:hover,
.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 25px var(--shadow-color);
}

body.dark-mode .card,
body.dark-mode .skill,
body.dark-mode .project-card {
  background: var(--card-bg);
  border: 1px solid var(--primary-pink);
  color: var(--text-primary);
}

/* Timeline */
.timeline {
  border-left: 4px solid var(--primary-pink);
  max-width: 600px;
  margin: auto;
  padding-left: 2rem;
  position: relative;
}
.timeline-item {
  margin-bottom: 2.5rem;
  position: relative;
}
.timeline-item::before {
  content: "🌷";
  position: absolute;
  left: -1.7rem;
  font-size: 1.3rem;
}

/* Peony Button */
.cta-button,
.contact button {
  background: linear-gradient(
    135deg,
    var(--primary-pink),
    var(--accent-lilac) 60%,
    #f2e2e6
  );
  color: var(--text-primary);
  border-radius: 40px;
  padding: 1rem 3rem;
  font-weight: 600;
  font-size: 1.1rem;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 8px var(--shadow-color);
  transition: background 0.4s, box-shadow 0.4s, color 0.3s;
}

.cta-button:hover,
.contact button:hover {
  background: linear-gradient(
    135deg,
    var(--secondary-coral),
    var(--primary-pink) 90%
  );
  color: var(--text-primary);
  box-shadow: 0 6px 15px var(--shadow-color);
}

.cta-button:focus,
.contact button:focus {
  outline: none;
  box-shadow: 0 0 0 4px var(--primary-pink);
}

.cta-button:active,
.contact button:active {
  transform: translateY(1px);
  box-shadow: 0 3px 6px var(--shadow-color);
}

body.dark-mode .cta-button,
body.dark-mode .contact button {
  background: linear-gradient(
    135deg,
    var(--secondary-coral),
    var(--accent-lilac) 70%,
    var(--primary-pink)
  );
  color: var(--text-primary);
  box-shadow: 0 4px 8px var(--shadow-color);
}

body.dark-mode .cta-button:hover,
body.dark-mode .contact button:hover {
  background: linear-gradient(
    135deg,
    var(--primary-pink),
    var(--secondary-coral) 80%,
    var(--accent-lilac)
  );
  color: var(--text-primary);
  box-shadow: 0 6px 15px var(--shadow-color);
}

/* Contact Section */
#contact {
  background-color: var(--bg-color);
  color: var(--text-primary);
  padding: 3rem 1.5rem 4rem;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  transition: background-color 0.3s, color 0.3s;
}

#contact h2 {
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--secondary-coral);
  text-align: center;
  user-select: none;
}

.contact-wrapper {
  display: flex;
  max-width: 900px;
  margin: 0 auto;
  gap: 2.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.contact-info {
  flex: 1 1 280px;
  font-size: 1.1rem;
  line-height: 1.5;
  color: var(--text-secondary);
  user-select: none;
  padding: 0.5rem 1rem;
}

.contact-info p {
  margin-bottom: 1rem;
}

.contact-info strong {
  color: var(--secondary-coral);
}

.contact-form {
  flex: 1 1 400px;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.input-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.input-group input {
  flex: 1 1 45%;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  border: 1.8px solid var(--primary-pink);
  background: var(--card-bg);
  color: var(--text-primary);
  font-size: 1rem;
  transition: border-color 0.3s;
}

.input-group input:focus {
  outline: none;
  border-color: var(--secondary-coral);
  box-shadow: 0 0 8px var(--secondary-coral);
}

textarea {
  width: 100%;
  padding: 1rem;
  border-radius: 12px;
  border: 1.8px solid var(--primary-pink);
  background: var(--card-bg);
  color: var(--text-primary);
  font-size: 1rem;
  resize: vertical;
  min-height: 120px;
  transition: border-color 0.3s;
}

textarea:focus {
  outline: none;
  border-color: var(--secondary-coral);
  box-shadow: 0 0 8px var(--secondary-coral);
}

.cta-button {
  background-color: var(--secondary-coral);
  color: #fff8f9;
  border: none;
  padding: 0.9rem 2.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 30px;
  cursor: pointer;
  box-shadow: 0 6px 14px var(--shadow-color);
  transition: background-color 0.3s, box-shadow 0.3s;
  user-select: none;
}

.cta-button:hover,
.cta-button:focus {
  background-color: var(--primary-pink);
  box-shadow: 0 10px 24px var(--shadow-color);
  outline: none;
}

/* Footer */
footer {
  background: var(--primary-pink);
  color: var(--text-primary);
  padding: 2rem;
  text-align: center;
  font-size: 0.95rem;
  border-top: 2px solid var(--secondary-coral);
  transition: background 0.4s, color 0.4s;
}

body.dark-mode footer {
  background: var(--primary-pink);
  color: var(--text-primary);
  border-top: 2px solid var(--secondary-coral);
}

/* Skills Section */
.skills {
  background-color: var(--bg-color);
  padding: 4rem 1rem;
  text-align: center;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text-primary);
  transition: background-color 0.4s, color 0.4s;
  user-select: none;
}

.skills h2 {
  font-size: 2.5rem;
  margin-bottom: 1.2rem;
  color: var(--text-primary);
  display: block;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.skills-intro {
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  letter-spacing: 0.02em;
  line-height: 1.5;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 1.5rem;
  max-width: 720px;
  margin: 0 auto;
}

.skill-tag {
  background: var(--primary-pink);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.1rem;
  padding: 0.6rem 1.6rem;
  border-radius: 50px;
  box-shadow: 0 4px 10px var(--shadow-color);
  user-select: none;
  transition: background-color 0.4s, color 0.4s, box-shadow 0.4s, transform 0.4s;
  cursor: default;
}

.skill-tag:hover,
.skill-tag:focus {
  background: var(--secondary-coral);
  color: #fff8f9;
  box-shadow: 0 8px 18px var(--shadow-color);
  transform: scale(1.07);
  outline: none;
}

/* Projects Section */
.projects {
  padding: 3rem 1rem 4rem;
  text-align: center;
  background-color: var(--accent-lilac); /* always light */
  color: var(--text-primary);
  transition: background-color 0.3s, color 0.3s;
}

.projects h2 {
  font-size: 2.6rem;
  margin-bottom: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  display: block;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.project-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.project-card {
  background-color: var(--card-bg);
  padding: 1.5rem 1.8rem;
  border-radius: 20px;
  box-shadow: 0 6px 14px var(--shadow-color);
  width: 100%;
  max-width: 300px;
  transition: transform 0.3s, box-shadow 0.3s;
  text-align: left;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px var(--shadow-color);
}

.project-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.project-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 0.8rem;
  line-height: 1.4;
}

.project-tools,
.project-learned {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
  line-height: 1.4;
}
.project-link-btn {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.5rem 1rem;
  background-color: var(--secondary-coral);
  color: #fff;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.3s ease;
}

.project-link-btn:hover {
  background-color: var(--primary-pink);
}

/* Cute Footer */
.footer-cute {
  text-align: center;
  background: var(--accent-lilac);
  padding: 18px 10px;
  border-radius: 18px;
  font-family: "Comfortaa", cursive, sans-serif;
  color: var(--secondary-coral);
  box-shadow: 0 3px 12px var(--shadow-color);
  max-width: 360px;
  margin: 20px auto;
}

.footer-cute p {
  font-size: 15px;
  margin: 0 0 12px;
  letter-spacing: 0.7px;
}

.social-icons-cute {
  display: flex;
  justify-content: center;
  gap: 14px;
}

.social-icons-cute a {
  color: var(--secondary-coral);
  font-size: 20px;
}

.social-icons-cute a:hover {
  transform: scale(1.2);
  box-shadow: 0 4px 14px var(--shadow-color);
}

.skill-tag i {
  margin-right: 6px;
  color: var(--text-secondary);
}
.skill-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  background-color: var(--card-bg);
  border-radius: 2rem;
  box-shadow: 0 4px 6px var(--shadow-color);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: transform 0.2s;
}
.skill-tag:hover {
  transform: translateY(-2px);
}
/* General Responsive Tweaks */
@media (max-width: 1200px) {
  .hero-content {
    max-width: 60%;
  }
  .avatar-placeholder {
    max-width: 40vw;
  }
}

@media (max-width: 900px) {
  section {
    padding: 3rem 1rem;
  }
  .hero-content {
    max-width: 100%;
    padding: 0 1rem;
  }
  .avatar-placeholder {
    max-width: 90vw;
    padding: 1rem;
  }
  .about-cards,
  .skill-grid,
  .project-grid {
    flex-direction: column;
    gap: 1rem;
  }
}

@media (max-width: 768px) {
  section {
    padding: 2.5rem 0.5rem;
  }
  .hero {
    flex-direction: column;
    height: auto;
    min-height: 60vh;
    padding: 2rem 0 1rem;
  }
  .hero-content {
    padding: 0;
    margin-top: 0;
    text-align: center;
  }
  .avatar-placeholder {
    margin-top: 1.5rem;
    max-width: 90vw;
    padding: 0.7rem;
  }
  .about-cards,
  .skill-grid,
  .project-grid {
    flex-direction: column;
    gap: 1rem;
  }
  .card,
  .skill,
  .project-card {
    max-width: 95vw;
    width: 100%;
    margin: 0 auto;
  }
  .timeline {
    padding-left: 1rem;
    max-width: 98vw;
  }
  .footer-cute {
    max-width: 95vw;
    padding: 12px 4px;
  }
}

@media (max-width: 600px) {
  h1,
  h2,
  h3 {
    font-size: 1.3em !important;
  }
  .hero-content h1 {
    font-size: 2rem;
  }
  .about h2,
  .skills h2,
  .projects h2,
  .experience h2,
  .contact h2 {
    font-size: 1.3rem;
  }
  .avatar-placeholder img {
    width: 90vw;
    max-width: 220px;
  }
  .timeline {
    padding-left: 0.5rem;
  }
  .footer-cute {
    font-size: 0.9rem;
    padding: 10px 2px;
  }
}

@media (max-width: 480px) {
  section {
    padding: 1.2rem 0.2rem;
  }
  .hero-content h1 {
    font-size: 1.3rem;
  }
  .hero-content p {
    font-size: 1rem;
  }
  .avatar-placeholder img {
    width: 98vw;
    max-width: 150px;
  }
  .card,
  .skill,
  .project-card {
    padding: 1rem;
    font-size: 0.95rem;
  }
  .footer-cute {
    font-size: 0.8rem;
    padding: 8px 1px;
    border-radius: 10px;
  }
  .social-icons-cute a {
    font-size: 18px;
  }
}

/* Ensure images and grids are always responsive */
img,
video {
  max-width: 100%;
  height: auto;
  display: block;
}

.project-grid,
.skill-grid,
.about-cards {
  width: 100%;
  box-sizing: border-box;
}