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

:root {
  --color-text: #1a1a1a;
  --color-text-secondary: #888;
  --color-bg: #fff;
  --color-card-bg: #f5f5f3;
  --color-border: #e8e8e6;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1320px;
  --side-padding: 40px;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

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

/* Hero */
.hero {
  min-height: 630px;
  display: flex;
  flex-direction: column;
  padding: 0 var(--side-padding);
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #f8f8f6 0%, #fff 100%);
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 32px 0;
  position: relative;
  z-index: 10;
}

.logo {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition: opacity 0.3s ease;
}

.logo:hover {
  opacity: 0.6;
}

.nav {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-link {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-text-secondary);
  transition: color 0.3s ease;
  letter-spacing: 0.01em;
}

.nav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  color: var(--color-text);
}

.nav-icon:hover {
  opacity: 0.6;
}

.nav-link:hover {
  color: var(--color-text);
}

/* Hero Body */
.hero-body {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: start;
  gap: 40px;
  position: relative;
  z-index: 2;
  padding: 40px var(--side-padding) 120px;
  max-width: var(--max-width);
  margin: auto;
  width: 100%;
}

.hero-heading {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--color-text);
  max-width: 420px;
}

.hero-blob {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 380px;
  height: 380px;
  z-index: -1;
  filter: blur(60px);
  opacity: 0.7;
  background:
    radial-gradient(circle at 35% 55%, rgba(120, 210, 140, 0.8) 0%, transparent 55%),
    radial-gradient(circle at 55% 40%, rgba(100, 140, 240, 0.7) 0%, transparent 50%),
    radial-gradient(circle at 50% 60%, rgba(150, 120, 220, 0.6) 0%, transparent 50%);
  animation: blobFloat 12s ease-in-out infinite;
}

@keyframes blobFloat {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  33% { transform: translate(-48%, -52%) scale(1.04); }
  66% { transform: translate(-52%, -48%) scale(0.97); }
}

.hero-bio {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.7;
  color: #5E5E5E;
  max-width: 420px;
  justify-self: end;
}

/* Hero Footer */
.hero-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 32px 0;
  position: relative;
  z-index: 10;
  padding: 20px var(--side-padding) 20px;
  max-width: var(--max-width);
  margin: auto;
  width: 100%;
}

.hero-location,
.hero-copyright {
  font-size: 13px;
  font-weight: 400;
  color: var(--color-text);
}

/* Projects */
.projects {
  padding: 80px var(--side-padding) 120px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.projects-label {
  font-size: 13px;
  font-weight: 400;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
  letter-spacing: 0.02em;
  font-style: italic;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* Project Card */
.project-card {
  --card-hover-bg: var(--color-card-bg);
  display: flex;
  flex-direction: column;
  background: var(--color-card-bg);
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
  transition: background-color 0.5s linear,
              transform 0.5s linear;
}

.project-card:hover {
  transform: translateY(-6px);
  background-color: var(--card-hover-bg);
}

.project-image {
  position: relative;
  aspect-ratio: 8 / 5;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.project-thumb {
  width: 85%;
  height: 100%;
  object-fit: cover;
  border-radius: 3px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .project-thumb {
  transform: scale(1.04);
}

.project-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 20px 24px;
}

.project-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  transition: color 0.5s linear;
}

.project-subtitle {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
  transition: color 0.5s linear;
}

.project-card[data-hover-text="light"]:hover .project-name {
  color: #fff;
}

.project-card[data-hover-text="light"]:hover .project-subtitle {
  color: rgba(255, 255, 255, 0.65);
}

.project-card[data-hover-text="dark"]:hover .project-name {
  color: var(--color-text);
}

.project-card[data-hover-text="dark"]:hover .project-subtitle {
  color: rgba(0, 0, 0, 0.45);
}

/* CV page */
.cv-header {
  padding: 32px var(--side-padding);
}

.cv {
  max-width: 860px;
  margin: 0 auto;
  padding: 40px var(--side-padding) 120px;
}

.cv-intro {
  padding-bottom: 64px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 64px;
}

.cv-label {
  font-size: 13px;
  font-weight: 400;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
  letter-spacing: 0.02em;
  font-style: italic;
}

.cv-name {
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--color-text);
  margin-bottom: 8px;
}

.cv-title {
  font-size: 18px;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

.cv-summary {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.7;
  color: #5E5E5E;
  max-width: 620px;
}

.cv-section {
  margin-bottom: 64px;
}

.cv-section-title {
  font-size: 13px;
  font-weight: 400;
  color: var(--color-text-secondary);
  font-style: italic;
  letter-spacing: 0.02em;
  margin-bottom: 32px;
}

.cv-entries {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.cv-entry {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 32px;
  align-items: start;
}

.cv-entry-date {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.cv-entry-role {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.cv-entry-company {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}

.cv-entry-note {
  font-weight: 400;
  font-style: italic;
}

.cv-entry-description {
  font-size: 15px;
  font-weight: 400;
  line-height: 1.7;
  color: #5E5E5E;
}

.cv-skills {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.cv-skill-group {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 32px;
  align-items: start;
}

.cv-skill-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.cv-skill-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
}

.cv-skill-list li {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-card-bg);
  padding: 6px 12px;
  border-radius: 999px;
}

@media (max-width: 640px) {
  .cv-entry,
  .cv-skill-group {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .cv-intro {
    padding-bottom: 40px;
    margin-bottom: 40px;
  }

  .cv-section {
    margin-bottom: 48px;
  }
}

/* Footer */
.footer {
  padding: 40px var(--side-padding);
  border-top: 1px solid var(--color-border);
}

.footer-content {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-text {
  font-size: 13px;
  color: var(--color-text-secondary);
  font-weight: 300;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-link {
  font-size: 13px;
  color: var(--color-text-secondary);
  font-weight: 400;
  transition: color 0.3s ease;
}

.footer-link:hover {
  color: var(--color-text);
}

/* Animations */
.project-card,
.projects-label {
  opacity: 0;
  transform: translateY(24px);
}

.hero-heading,
.hero-bio {
  opacity: 0;
  transform: translateY(20px);
}

.hero-heading.visible,
.hero-bio.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.9s linear,
              transform 0.9s linear;
}

.project-card.visible,
.projects-label.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s linear,
              transform 0.5s linear,
              background-color 0.5s linear;
}

/* Card hover resets the transform origin for the visible+hover combo */
.project-card.visible:hover {
  transform: translateY(-6px);
}

/* Responsive */
@media (max-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-body {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 0;
  }

  .hero-heading {
    max-width: 100%;
  }

  .hero-blob {
    width: 280px;
    height: 280px;
    position: relative;
    left: auto;
    top: auto;
    transform: none;
    justify-self: center;
  }

  @keyframes blobFloat {
    0%, 100% { transform: scale(1); }
    33% { transform: scale(1.04); }
    66% { transform: scale(0.97); }
  }

  .hero-bio {
    max-width: 100%;
    justify-self: start;
  }
}

@media (max-width: 640px) {
  :root {
    --side-padding: 20px;
  }

  .header {
    padding: 20px 0;
  }

  .projects-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .project-info {
    flex-direction: column;
    gap: 4px;
    padding: 16px 20px;
  }

  .footer-content {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}