/* ============================================
   Nigel Andati - Portfolio Styles
   Design system inspired by modern dark themes
   ============================================ */

:root {
  /* Colors - Dark theme */
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-muted: #21262d;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --accent: #58a6ff;
  --accent-muted: rgba(88, 166, 255, 0.4);
  --border: #30363d;
  --border-hover: #484f58;

  /* Typography */
  --font-display: 'Audiowide', sans-serif;
  --font-cursive: 'Italianno', cursive;
  --font-body: 'Quicksand', sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Page container */
.page-container {
  min-height: 100vh;
  position: relative;
}

/* ========== Language Toggle ========== */
.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.lang-toggle {
  display: flex;
  gap: 0;
  background: var(--bg-muted);
  padding: 4px;
  border-radius: 12px;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.3);
}

.lang-btn {
  padding: 8px 16px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-base);
}

.lang-btn:hover {
  color: var(--text-primary);
}

.lang-btn.active {
  color: var(--text-primary);
  background: var(--accent-muted);
  box-shadow: 0 0 0 1px rgba(88, 166, 255, 0.2);
}

/* ========== Navigation ========== */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-xl);
  height: 10vh;
  background: var(--bg-primary);
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  gap: var(--space-xl);
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

.nav-resume {
  padding: 8px 20px;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-right {
    gap: var(--space-md);
  }

  .nav-resume {
    padding: 6px 14px;
    font-size: 0.875rem;
  }
}

/* ========== Buttons ========== */
.homebutton {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--bg-primary);
  background: var(--accent);
  border: 2px solid var(--accent);
  border-radius: 12px;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-base);
}

.homebutton:hover {
  background: transparent;
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--accent-muted);
}

.homebutton-outline {
  background: transparent;
  color: var(--accent);
}

.homebutton-outline:hover {
  background: var(--accent);
  color: var(--bg-primary);
}

/* ========== Main Content ========== */
.main {
  max-width: 90vw;
  margin: 0 auto;
  padding-bottom: var(--space-3xl);
}

@media (min-width: 1024px) {
  .main {
    max-width: 80vw;
  }
}

/* ========== Sections ========== */
.section {
  padding: var(--space-3xl) 0;
  min-height: 50vh;
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: var(--space-2xl);
  color: var(--text-primary);
}

/* ========== Hero ========== */
.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
  width: 100%;
}

@media (min-width: 768px) {
  .hero-content {
    flex-direction: row;
    justify-content: center;
    gap: var(--space-2xl);
  }
}

.hero-image-wrapper {
  flex-shrink: 0;
}

.hero-image {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 6px solid var(--border);
  object-fit: cover;
  transition: transform var(--transition-base), border-color var(--transition-base);
}

.hero-image:hover {
  transform: scale(1.05);
  border-color: var(--accent);
}

@media (min-width: 768px) {
  .hero-image {
    width: 280px;
    height: 280px;
  }
}

.hero-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 600px;
}

@media (min-width: 768px) {
  .hero-text {
    align-items: flex-start;
    text-align: left;
  }
}

.hero-name {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s ease forwards;
}

@media (min-width: 768px) {
  .hero-name {
    font-size: 3.5rem;
  }
}

.hero-intro {
  font-size: 1.125rem;
  color: var(--text-primary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s ease 0.2s forwards;
}

@media (min-width: 768px) {
  .hero-intro {
    font-size: 1.25rem;
  }
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.4s forwards;
}

@media (min-width: 768px) {
  .hero-buttons {
    justify-content: flex-start;
  }
}

/* ========== Experience ========== */
.experience-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
  max-width: 80vw;
  margin: 0 auto;
}

.experience-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-radius: 16px;
  border: 1px solid var(--border);
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.experience-item:hover {
  border-color: var(--border-hover);
}

@media (min-width: 768px) {
  .experience-item {
    flex-direction: row;
    gap: var(--space-xl);
  }
}

.experience-date {
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .experience-date {
    width: 12rem;
    min-width: 12rem;
  }
}

.experience-date-text {
  font-size: 1rem;
  color: var(--text-secondary);
}

@media (min-width: 768px) {
  .experience-date-text {
    text-align: center;
  }
}

.experience-content {
  flex: 1;
}

.experience-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.experience-company {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.experience-desc {
  font-size: 0.9375rem;
  color: var(--text-primary);
  line-height: 1.6;
}

/* ========== Skills Marquee ========== */
.skills-marquee-wrapper {
  width: 100%;
  overflow: hidden;
  padding: var(--space-lg) 0;
}

.skills-marquee {
  display: flex;
  gap: var(--space-xl);
  animation: marquee 25s linear infinite;
  width: max-content;
}

.skill-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
  padding: 0 var(--space-lg);
  transition: transform var(--transition-fast);
}

.skill-item:hover {
  transform: scale(1.1);
}

.skill-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: var(--bg-muted);
  border-radius: 12px;
  color: var(--text-primary);
}

.skill-name {
  font-size: 0.875rem;
  color: var(--text-primary);
}

@keyframes marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* ========== Projects ========== */
.projects-section {
  padding: var(--space-3xl) 0;
}

.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  justify-items: center;
  max-width: 90vw;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
  }
}

.project-card {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 380px;
  min-height: 520px;
  padding: var(--space-xl);
  border-radius: 16px;
  border: 2px solid var(--border);
  background: var(--bg-secondary);
  transition: all var(--transition-base);
}

.project-card:hover {
  transform: scale(1.03);
  border-color: var(--accent-muted);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.project-image-wrapper {
  width: 100%;
  margin-bottom: var(--space-md);
  border-radius: 12px;
  overflow: hidden;
}

.project-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-image {
  transform: scale(1.05);
}

.project-content {
  display: grid;
  grid-template-rows: auto auto 1fr auto auto;
  flex: 1;
  gap: 0;
}

.project-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
  min-height: 2.8em;
  line-height: 1.3;
}

.project-date {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  min-height: 1.5em;
}

.project-desc {
  font-size: 0.9375rem;
  color: var(--text-primary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.project-btn {
  align-self: flex-start;
  margin-bottom: var(--space-md);
}

.project-btn-spacer {
  height: 44px;
  margin-bottom: var(--space-md);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.tag {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--bg-primary);
  background: var(--accent-muted);
  padding: 4px 12px;
  border-radius: 9999px;
}

/* ========== Education ========== */
.education-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  max-width: 80vw;
  margin: 0 auto;
}

.education-item {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-lg);
  border-radius: 16px;
  border: 1px solid var(--border);
  transition: border-color var(--transition-base);
}

.education-item:hover {
  border-color: var(--border-hover);
}

.education-icon {
  font-size: 3rem;
  flex-shrink: 0;
}

.education-school {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.education-degree {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
}

.education-year {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

/* ========== Contact ========== */
.contact-section {
  padding-bottom: var(--space-3xl);
}

.contact-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2xl);
  max-width: 70vw;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .contact-content {
    flex-direction: row;
    justify-content: space-between;
    max-width: 60vw;
  }
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--text-primary);
  text-decoration: none;
  transition: transform var(--transition-base), color var(--transition-fast);
}

.contact-item:hover {
  transform: scale(1.05);
  color: var(--accent);
}

.contact-icon {
  font-size: 1.5rem;
}

.contact-text {
  font-size: 1rem;
}

.contact-social {
  display: flex;
  gap: var(--space-xl);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  color: var(--text-primary);
  transition: transform var(--transition-base), color var(--transition-fast);
}

.social-link:hover {
  transform: scale(1.15);
  color: var(--accent);
}

/* ========== Footer ========== */
.footer {
  position: relative;
  margin-top: var(--space-3xl);
}

.wave-container {
  position: relative;
  width: 100%;
  height: 120px;
}

@media (min-width: 768px) {
  .wave-container {
    height: 160px;
  }
}

.wave-svg {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.wave-svg path {
  fill: var(--bg-secondary);
}

.footer-text {
  position: absolute;
  bottom: var(--space-lg);
  left: 0;
  right: 0;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ========== Animations ========== */
@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll-triggered animations */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.experience-item[data-animate].visible:nth-child(1) { transition-delay: 0.1s; }
.experience-item[data-animate].visible:nth-child(2) { transition-delay: 0.2s; }
.project-card[data-animate].visible:nth-child(1) { transition-delay: 0.1s; }
.project-card[data-animate].visible:nth-child(2) { transition-delay: 0.2s; }
.project-card[data-animate].visible:nth-child(3) { transition-delay: 0.3s; }