/* === Section Layouts === */

/* ── Sticky Navigation ── */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(13, 13, 13, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 2px solid var(--text-muted);
  display: flex;
  align-items: center;
  transition: transform 0.3s ease;
}

.nav-inner {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--accent-green);
  white-space: nowrap;
}

.nav-logo .prompt-char {
  color: var(--accent-yellow);
  margin-right: var(--space-xs);
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

.nav-link {
  font-size: var(--fs-xs);
  color: var(--text-secondary);
  text-transform: lowercase;
  letter-spacing: 0.03em;
  padding: var(--space-xs) 0;
}

.nav-link::before { content: '[ '; }
.nav-link::after  { content: ' ]'; }

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

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.2s ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
}

@media (max-width: 768px) {
  .nav-inner {
    padding: 0 var(--space-md);
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(13, 13, 13, 0.97);
    flex-direction: column;
    padding: var(--space-lg);
    gap: var(--space-md);
    border-bottom: 2px solid var(--text-muted);
    transform: translateY(-120%);
    transition: transform 0.3s ease;
  }

  .nav-links.open {
    transform: translateY(0);
  }
}

/* ── Hero Section ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: var(--nav-height);
}

.hero .terminal-chrome {
  width: 100%;
  max-width: 100%;
  box-shadow: var(--shadow-default);
}

.hero-content {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xl);
}

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

.hero-avatar-label {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
}

.hero-avatar {
  width: 140px;
  height: 140px;
  border: var(--border);
  object-fit: cover;
  image-rendering: auto;
  background: var(--bg-card);
}

.hero-text {
  flex: 1;
  min-width: 0;
}

.hero-prompt {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.hero-name {
  font-size: var(--fs-hero);
  font-weight: 700;
  color: var(--accent-green);
  line-height: 1.1;
  margin-bottom: var(--space-xs);
}

.hero-role {
  font-size: var(--fs-lg);
  font-weight: 500;
  color: var(--accent-yellow);
  margin-bottom: var(--space-lg);
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-top: var(--space-lg);
}

/* Typed output area */
.typed-output {
  min-height: 120px;
}

@media (max-width: 768px) {
  .hero {
    padding-top: calc(var(--nav-height) + var(--space-xl));
    align-items: flex-start;
    padding-bottom: var(--space-2xl);
  }

  .hero-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .hero-avatar {
    width: 100px;
    height: 100px;
  }

  .hero-buttons {
    justify-content: center;
    width: 100%;
  }

  .hero-buttons .btn-brutalist {
    flex: 1;
    justify-content: center;
    min-width: 140px;
  }
}

/* ── About Section ── */
.about-card {
  max-width: 100%;
}

.about-card .terminal-body {
  line-height: 1.8;
}

.about-card .terminal-body p {
  margin-bottom: var(--space-md);
}

.about-card .terminal-body p:last-child {
  margin-bottom: 0;
}

/* ── Skills Section ── */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-md);
}

.skill-item {
  background: var(--bg-card);
  border: var(--border);
  padding: var(--space-md);
  text-align: center;
  font-size: var(--fs-sm);
  font-weight: 600;
  box-shadow: var(--shadow-default);
  transition: transform 200ms var(--ease-bounce), box-shadow 200ms ease,
              color 150ms ease, border-color 150ms ease;
  cursor: default;
}

.skill-item:hover {
  transform: translateY(-6px) scale(1.04);
  box-shadow: 0 12px 32px rgba(57, 255, 20, 0.18), var(--shadow-default);
  color: var(--accent-green);
  border-color: var(--accent-green);
}

.skill-item .skill-icon {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-xs);
  display: block;
  transition: transform 200ms var(--ease-bounce);
}

.skill-item:hover .skill-icon {
  transform: scale(1.2) rotate(-4deg);
}

@media (max-width: 480px) {
  .skills-grid {
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: var(--space-sm);
  }
}

/* ── Projects Section ── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-xl);
}

.project-card .card-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.project-name {
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--accent-green);
}

.project-desc {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

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

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

.project-links a {
  font-size: var(--fs-xs);
}

@media (max-width: 480px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
}

/* ── Experience Section ── */
.experience-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  max-width: 720px;
}

.experience-item {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: var(--bg-card);
  border: var(--border);
  box-shadow: var(--shadow-default);
  transition: transform 200ms var(--ease-bounce), box-shadow 200ms ease,
              border-color 150ms ease;
}

.experience-item:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 10px 28px rgba(57, 255, 20, 0.12), var(--shadow-default);
  border-color: var(--accent-green);
}

.experience-date {
  font-size: var(--fs-xs);
  color: var(--accent-yellow);
  white-space: nowrap;
  min-width: 110px;
  flex-shrink: 0;
  padding-top: 2px;
}

.experience-date::before {
  content: '[ ';
  color: var(--text-muted);
}

.experience-date::after {
  content: ' ]';
  color: var(--text-muted);
}

.experience-details {
  flex: 1;
}

.experience-company {
  font-weight: 700;
  font-size: var(--fs-base);
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.experience-role {
  font-size: var(--fs-sm);
  color: var(--accent-green);
  margin-bottom: var(--space-sm);
}

.experience-desc {
  font-size: var(--fs-xs);
  color: var(--text-secondary);
  line-height: 1.7;
}

@media (max-width: 600px) {
  .experience-item {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .experience-date {
    min-width: unset;
  }
}

/* ── Certificates Section ── */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.cert-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 200ms var(--ease-bounce), box-shadow 200ms ease,
              border-color 150ms ease;
}

.cert-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 16px 40px rgba(57, 255, 20, 0.18), var(--shadow-default);
  border-color: var(--accent-green);
}

/* Certificate PDF link wrapper */
.cert-pdf-link {
  display: block;
  text-decoration: none;
  border-bottom: var(--border);
}

/* Certificate PDF preview box (replaces cert-img-wrapper) */
.cert-pdf-preview {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 2.8;
  overflow: hidden;
  background: var(--bg-terminal);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  transition: background 200ms ease;
}

.cert-pdf-link:hover .cert-pdf-preview {
  background: #0f1a0f;
}

.cert-pdf-icon {
  font-size: 2.8rem;
  line-height: 1;
  filter: grayscale(0.2);
  transition: transform 300ms var(--ease-bounce);
}

.cert-pdf-link:hover .cert-pdf-icon {
  transform: scale(1.18) translateY(-4px);
}

.cert-pdf-label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--accent-green);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: 1px solid var(--accent-green);
  padding: 2px 8px;
  opacity: 0.75;
}

/* Hover overlay (view label) — reused across both wrapper types */
.cert-img-overlay {
  position: absolute;
  inset: 0;
  background: rgba(13, 13, 13, 0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 200ms ease;
  backdrop-filter: blur(2px);
}

.cert-card:hover .cert-img-overlay,
.cert-pdf-link:hover .cert-img-overlay {
  opacity: 1;
}

.cert-zoom-icon {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--accent-green);
  border: 2px solid var(--accent-green);
  padding: var(--space-xs) var(--space-md);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  animation: none;
}

/* Certificate card body */
.cert-card .card-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  flex: 1;
}

.cert-title {
  font-size: var(--fs-base);
  font-weight: 700;
  color: var(--accent-green);
  line-height: 1.3;
}

.cert-issuer {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}

.cert-date {
  font-size: var(--fs-xs);
  color: var(--accent-yellow);
}

.cert-date::before { content: '[ '; color: var(--text-muted); }
.cert-date::after  { content: ' ]'; color: var(--text-muted); }

.cert-credential {
  margin-top: var(--space-xs);
  align-self: flex-start;
  font-size: var(--fs-xs);
}

/* Credential code badge */
.cert-code {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: rgba(57, 255, 20, 0.08);
  color: var(--accent-green);
  border: 1px solid rgba(57, 255, 20, 0.25);
  padding: 1px 5px;
  letter-spacing: 0.05em;
}

@media (max-width: 640px) {
  .certs-grid {
    grid-template-columns: 1fr;
  }
}


/* ── Contact Section ── */
.contact-content {
  max-width: 600px;
}

.contact-text {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.8;
}

.contact-buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

@media (max-width: 480px) {
  .contact-buttons {
    flex-direction: column;
  }

  .contact-buttons .btn-brutalist {
    width: 100%;
    justify-content: center;
  }
}

/* ── Footer ── */
.site-footer {
  padding: var(--space-2xl) 0;
  border-top: 2px solid var(--text-muted);
  z-index: 1;
  position: relative;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-echo {
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

.footer-echo .prompt {
  color: var(--accent-green);
}

.footer-socials {
  display: flex;
  gap: var(--space-md);
}

.footer-socials a {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  transition: color var(--ease-default);
}

.footer-socials a:hover {
  color: var(--accent-green);
}

@media (max-width: 480px) {
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}