/* ==========================================================================
   components.css — Navigation, buttons, cards, modal, form, footer
   Written mobile-first (320px+). Larger layouts are added in responsive.css.
   ========================================================================== */

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 46px;
  padding: 0.8rem 1.5rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  text-align: center;
  transition: transform var(--transition), background-color var(--transition),
              border-color var(--transition), color var(--transition), box-shadow var(--transition);
}
.btn:active { transform: translateY(0) scale(0.98); }
.btn--primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn--primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(212, 168, 79, 0.3);
}
.btn--ghost { border-color: var(--border); color: var(--text); }
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent-text);
  background: var(--accent-soft);
  transform: translateY(-2px);
}
.btn--sm { min-height: 42px; padding: 0.5rem 1rem; font-size: 0.85rem; }
.btn--block { width: 100%; }

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px; height: 42px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text);
  transition: border-color var(--transition), color var(--transition), transform var(--transition);
}
.icon-btn:hover { border-color: var(--accent); color: var(--accent-text); transform: translateY(-1px); }
.icon-btn:active { transform: scale(0.94); }

/* Theme toggle swaps icons with CSS only */
.icon-sun { display: none; }
[data-theme="light"] .icon-sun { display: block; }
[data-theme="light"] .icon-moon { display: none; }

/* ---------- Header & navigation ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  height: var(--header-h);
  background: var(--nav-glass);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 32px; height: 32px;
  border: 1px solid rgba(212, 168, 79, 0.45);
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--emerald), var(--navy));
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
}
.brand-text span { color: var(--accent-text); }

.desktop-nav { display: none; }

.nav-link {
  position: relative;
  padding: 0.35rem 0;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color var(--transition);
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}
.nav-link:hover,
.nav-link.is-active,
.nav-link[aria-current="true"] { color: var(--accent-text); }
.nav-link:hover::after,
.nav-link[aria-current="true"]::after { width: 100%; }

.nav-actions { display: flex; align-items: center; gap: 0.75rem; }

/* ---------- Mobile drawer ---------- */
.drawer-overlay {
  position: fixed;
  inset: 0;
  z-index: 1040;
  background: rgba(0, 0, 0, 0.6);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}
.drawer-overlay.is-open { opacity: 1; visibility: visible; }

.mobile-drawer {
  position: fixed;
  inset: 0 0 0 auto;
  z-index: 1050;
  display: flex;
  flex-direction: column;
  width: 82%;
  max-width: 360px;
  padding: 1.5rem 1.5rem 2rem;
  background: var(--bg-alt);
  border-left: 1px solid var(--border);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.3);
  transform: translateX(105%);
  visibility: hidden;
  transition: transform 0.35s var(--ease), visibility 0.35s;
}
.mobile-drawer.is-open { transform: none; visibility: visible; }

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}
.drawer-nav { display: flex; flex-direction: column; gap: 0.35rem; }
.drawer-nav .nav-link {
  padding: 0.8rem 0.25rem;
  font-size: 1.1rem;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}
.drawer-nav .nav-link::after { display: none; }

/* ---------- Hero ---------- */
.hero {
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 1.75rem) 0 3.5rem;
}
.hero-grid {
  display: flex;
  flex-direction: column-reverse;
  gap: 2.25rem;
  text-align: center;
}
.hero-text { animation: rise 0.7s var(--ease) both; }
.hero-media { animation: rise 0.7s var(--ease) 0.12s both; }

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid rgba(212, 168, 79, 0.28);
  border-radius: var(--radius-full);
  background: var(--accent-soft);
  color: var(--accent-text);
  font-size: 0.82rem;
  font-weight: 600;
}
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 8px #10B981;
}

.hero-headline {
  margin-bottom: 1.25rem;
  font-size: 1.95rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
}
.hero-headline .gold { color: var(--accent-text); }

.hero-intro {
  max-width: 580px;
  margin: 0 auto 1.75rem;
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--text-2);
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.socials {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}
.hero .socials {
  justify-content: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.social-link {
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text-2);
  transition: border-color var(--transition), color var(--transition), transform var(--transition), background-color var(--transition);
}
.social-link:hover {
  border-color: var(--accent);
  color: var(--accent-text);
  background: var(--accent-soft);
  transform: translateY(-2px);
}
.social-link:active { transform: scale(0.94); }

.hero-media { position: relative; display: flex; justify-content: center; }
.hero-frame {
  position: relative;
  width: 100%;
  max-width: 250px;
  padding: 6px;
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, rgba(212, 168, 79, 0.5), var(--border));
  box-shadow: var(--shadow), 0 0 25px rgba(212, 168, 79, 0.08);
}
.hero-image {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center top;
  border-radius: calc(var(--radius-md) - 4px);
  background: var(--emerald);
}
.hero-badge {
  position: absolute;
  right: -6px; bottom: -10px;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  text-align: left;
}
.hero-badge svg { color: var(--accent-text); }
.hero-badge-label { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; color: var(--text-muted); }
.hero-badge-value { font-size: 0.85rem; font-weight: 700; }

/* ---------- Card base ---------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

/* ---------- Projects ---------- */
.projects-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }

.project-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}
.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(212, 168, 79, 0.45);
}

.project-cover {
  aspect-ratio: 16 / 9;
  width: 100%;
  object-fit: cover;
  object-position: center top;
  border-bottom: 1px solid var(--border);
  background: var(--emerald);
  transition: transform 0.4s var(--ease);
}
.project-card:hover .project-cover {
  transform: scale(1.025);
}

.project-head { padding: 1.25rem 1.25rem 0.5rem; }
.chip {
  display: inline-block;
  margin-bottom: 0.5rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--accent-text);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.project-title { font-size: 1.2rem; font-weight: 700; }

.project-body { display: flex; flex-direction: column; flex-grow: 1; padding: 0.75rem 1.25rem 1.25rem; }
.project-desc { margin-bottom: 1.25rem; font-size: 0.95rem; color: var(--text-2); }

.features-title { margin-bottom: 0.5rem; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: var(--text-muted); }
.check-list { margin-bottom: 1.5rem; }
.check-list li {
  display: flex;
  gap: 0.55rem;
  margin-bottom: 0.4rem;
  font-size: 0.88rem;
  color: var(--text-2);
}
.check-list li::before { content: '\2713'; flex-shrink: 0; color: var(--accent-text); font-weight: 700; }

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.tech-pill {
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--tag-bg);
  color: var(--tag-text);
  font-family: var(--font-mono);
  font-size: 0.76rem;
}

.project-actions { display: flex; flex-direction: column; gap: 0.65rem; margin-top: 1.25rem; }
.project-actions:empty { display: none; }

/* ---------- About ---------- */
.about-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
}
.about-title { margin-bottom: 1.1rem; font-size: 1.4rem; font-weight: 800; }
.about-text { margin-bottom: 1rem; font-size: 1rem; line-height: 1.75; color: var(--text-2); }

.about-stats { display: grid; grid-template-columns: 1fr; gap: 0.85rem; margin-top: 1.75rem; }
.stat {
  padding: 1.15rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-body);
}
.stat-value { margin-bottom: 0.25rem; font-family: var(--font-mono); font-size: 1.8rem; font-weight: 800; color: var(--accent-text); }
.stat-label { font-size: 0.85rem; font-weight: 500; color: var(--text-2); }

.direction-box {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1.35rem;
  border: 1px solid rgba(212, 168, 79, 0.28);
  border-radius: var(--radius-md);
  background: var(--bg-emerald);
}
.direction-box h4 { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 1rem; font-size: 1.2rem; font-weight: 700; }
.direction-box h4 svg { color: var(--accent-text); flex-shrink: 0; }
.direction-list li { position: relative; margin-bottom: 0.85rem; padding-left: 1.35rem; font-size: 0.95rem; color: var(--text-2); }
.direction-list li::before { content: '\2192'; position: absolute; left: 0; color: var(--accent-text); font-weight: 700; }
[data-theme="dark"] .direction-box .direction-list li { color: #C7D4D3; }

/* ---------- Skills ---------- */
.skills-grid { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
.skill-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 1.5rem;
}
.skill-card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: var(--shadow-hover); }

.icon-tile {
  display: grid;
  place-items: center;
  width: 48px; height: 48px;
  margin-bottom: 1.25rem;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--accent-text);
}
.skill-title { margin-bottom: 1rem; font-size: 1.2rem; font-weight: 700; }
.skill-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: auto;
}
.skill-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-body);
  font-size: 0.9rem;
  font-weight: 500;
  transition: border-color var(--transition), background-color var(--transition), transform var(--transition);
}
.skill-item:hover {
  border-color: rgba(212, 168, 79, 0.35);
  background: var(--bg-elevated);
  transform: translateX(2px);
}
.skill-level { flex-shrink: 0; font-family: var(--font-mono); font-size: 0.74rem; font-weight: 600; color: var(--accent-text); }

/* ---------- Experience timeline ---------- */
.timeline { position: relative; max-width: 860px; margin: 0 auto; padding-left: 1.75rem; }
.timeline::before { content: ''; position: absolute; top: 10px; bottom: 10px; left: 5px; width: 2px; background: var(--border); }
.timeline-item { position: relative; margin-bottom: 2rem; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-dot {
  position: absolute;
  top: 6px; left: -1.75rem;
  width: 13px; height: 13px;
  border: 3px solid var(--accent);
  border-radius: 50%;
  background: var(--bg-alt);
  box-shadow: 0 0 10px rgba(212, 168, 79, 0.4);
}
.timeline-card {
  padding: 1.35rem;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.timeline-card:hover { transform: translateX(4px); border-color: var(--border-focus); box-shadow: var(--shadow-hover); }
.timeline-top { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: 0.5rem; margin-bottom: 0.6rem; }
.timeline-role { font-size: 1.05rem; font-weight: 700; }
.timeline-org { font-size: 0.95rem; font-weight: 600; color: var(--accent-text); }
.timeline-date { padding: 0.2rem 0.65rem; border-radius: var(--radius-sm); background: var(--tag-bg); font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-muted); }
.timeline-desc { margin-bottom: 1rem; font-size: 0.94rem; color: var(--text-2); }
.bullet-list { display: flex; flex-direction: column; gap: 0.4rem; }
.bullet-list li { display: flex; gap: 0.55rem; font-size: 0.88rem; color: var(--text-2); }
.bullet-list li::before { content: '\2022'; color: var(--accent-text); font-weight: 700; }

/* ---------- Certificates ---------- */
.certs-grid { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
.cert-card { display: flex; flex-direction: column; height: 100%; padding: 1.35rem; }
.cert-card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: var(--shadow-hover); }
.cert-top { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; margin-bottom: 1rem; }
.cert-top .icon-tile { width: 44px; height: 44px; margin-bottom: 0; }
.cert-top .chip { margin-bottom: 0; }
.cert-title { margin-bottom: 0.4rem; font-size: 1.1rem; font-weight: 700; }
.cert-issuer { margin-bottom: 0.25rem; font-size: 0.88rem; font-weight: 600; color: var(--accent-text); }
.cert-date { margin-bottom: 1.1rem; font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-muted); }
.cert-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 44px;
  margin-top: auto;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--accent-text);
}
.cert-link:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ---------- CV ---------- */
.cv-card { display: grid; grid-template-columns: 1fr; gap: 2rem; align-items: center; padding: 1.5rem; border-radius: var(--radius-lg); }
.cv-title { margin-bottom: 1rem; font-size: 1.45rem; font-weight: 800; }
.cv-text { margin-bottom: 1.75rem; color: var(--text-2); line-height: 1.7; }
.cv-actions { display: flex; flex-direction: column; gap: 0.75rem; }

.cv-sheet {
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-body);
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.18);
}
.cv-sheet-head { margin-bottom: 1rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border); }
.cv-line { height: 10px; margin-bottom: 8px; border-radius: 4px; background: var(--border); }
.cv-line.gold { height: 14px; background: var(--accent); opacity: 0.8; }
.w-80 { width: 80%; } .w-60 { width: 60%; } .w-40 { width: 40%; }

/* ---------- Modal (CV preview) ---------- */
.modal {
  width: min(680px, calc(100% - 2rem));
  max-height: calc(100dvh - 2rem);
  margin: auto;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  color: var(--text);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
}
.modal::backdrop { background: rgba(3, 7, 14, 0.7); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.modal[open] { display: flex; flex-direction: column; animation: rise 0.3s var(--ease) both; }
.modal-head, .modal-foot { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 1.25rem; }
.modal-head { border-bottom: 1px solid var(--border); }
.modal-foot { border-top: 1px solid var(--border); justify-content: flex-end; }
.modal-title { font-size: 1.15rem; font-weight: 800; }
.modal-body { padding: 1.25rem; overflow-y: auto; }
.cv-block + .cv-block { margin-top: 1.5rem; }
.cv-block h4 { margin-bottom: 0.6rem; font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-text); }
.cv-block p, .cv-block li { font-size: 0.94rem; color: var(--text-2); }
.cv-block li + li { margin-top: 0.35rem; }
.cv-block strong { color: var(--text); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 1.75rem; }
.contact-panel { padding: 1.5rem; border-radius: var(--radius-lg); }
.contact-panel h3 { margin-bottom: 0.75rem; font-size: 1.35rem; font-weight: 700; }
.contact-lead { font-size: 0.95rem; color: var(--text-2); }
.contact-list { display: flex; flex-direction: column; gap: 1.1rem; margin-top: 1.75rem; }
.contact-item { display: flex; align-items: center; gap: 1rem; min-height: 46px; }
.contact-item .icon-tile { width: 44px; height: 44px; margin: 0; flex-shrink: 0; }
.contact-label { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--text-muted); }
.contact-value { font-size: 0.98rem; font-weight: 600; overflow-wrap: anywhere; }
.contact-value a:hover { color: var(--accent-text); }
.contact-note {
  margin-top: 1.75rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-body);
  font-size: 0.86rem;
  color: var(--text-2);
}

/* ---------- Form ---------- */
.form-group { margin-bottom: 1.25rem; }
.form-label { display: block; margin-bottom: 0.5rem; font-size: 0.88rem; font-weight: 600; }
.form-input, .form-textarea {
  width: 100%;
  min-height: 46px;
  padding: 0.8rem 1.05rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-body);
  font-size: 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-textarea { min-height: 130px; resize: vertical; }
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); }
.form-input:focus, .form-textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(212, 168, 79, 0.2); }
.form-input[aria-invalid="true"], .form-textarea[aria-invalid="true"] { border-color: var(--danger); }
.field-error { display: none; margin-top: 0.4rem; font-size: 0.82rem; color: var(--danger); }
.field-error.is-visible { display: block; }

.form-status {
  display: none;
  margin-top: 1rem;
  padding: 1rem;
  border: 1px solid var(--success);
  border-radius: var(--radius-sm);
  background: rgba(16, 185, 129, 0.1);
  font-size: 0.92rem;
  color: var(--success);
}
.form-status.is-visible { display: block; }

/* ---------- Footer ---------- */
.site-footer { margin-top: 2rem; padding: 3rem 0 2rem; background: var(--bg-alt); border-top: 1px solid var(--border); }
.footer-top, .footer-bottom { display: flex; flex-direction: column; align-items: center; gap: 1.25rem; text-align: center; }
.footer-top { padding-bottom: 2rem; border-bottom: 1px solid var(--border); }
.footer-brand h4 { font-size: 1.15rem; font-weight: 700; }
.footer-brand p { margin-top: 0.25rem; font-size: 0.9rem; color: var(--text-2); }
.footer-bottom { padding-top: 2rem; font-size: 0.85rem; color: var(--text-muted); }
.footer-bottom .mono { font-family: var(--font-mono); font-size: 0.78rem; }

/* ---------- Empty / noscript states ---------- */
.empty-state { grid-column: 1 / -1; padding: 2rem; border: 1px dashed var(--border); border-radius: var(--radius-md); text-align: center; color: var(--text-2); }