/* =============================================================================
   components.css
   --------------------------------------------------------------------------
   Reusable UI components: buttons, cards, nav, hero, forms, footer, badges.
   All tokens reference design-system.css. Components are class-prefixed cv-.
   ========================================================================== */

/* ── Buttons ────────────────────────────────────────────────────────────── */
.cv-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--cv-space-2);
  padding: 12px 22px;
  font-family: var(--cv-font-body);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1;
  border: 1px solid transparent;
  border-radius: var(--cv-radius-pill);
  cursor: pointer;
  transition: all var(--cv-dur-base) var(--cv-ease);
  text-decoration: none;
  white-space: nowrap;
}
.cv-btn:focus-visible {
  outline: 2px solid var(--cv-accent);
  outline-offset: 2px;
}

.cv-btn-primary {
  background: var(--cv-accent);
  color: #FFFFFF;
  box-shadow: var(--cv-shadow-md);
}
.cv-btn-primary:hover {
  background: #C46720;
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: var(--cv-shadow-lg);
}

.cv-btn-secondary {
  background: var(--cv-ocean);
  color: #FFFFFF;
}
.cv-btn-secondary:hover {
  background: var(--cv-deep);
  color: #FFFFFF;
  transform: translateY(-1px);
}

.cv-btn-ghost {
  background: transparent;
  color: var(--cv-text);
  border-color: var(--cv-border);
}
.cv-btn-ghost:hover {
  border-color: var(--cv-accent);
  color: var(--cv-accent);
}

.cv-btn-on-dark {
  background: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.cv-btn-on-dark:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.5);
}

.cv-btn-sm { padding: 8px 16px; font-size: 0.85rem; }
.cv-btn-lg { padding: 16px 32px; font-size: 1.05rem; }

/* ── Top navigation ─────────────────────────────────────────────────────── */
.cv-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--cv-glass-bg);
  backdrop-filter: blur(var(--cv-glass-blur)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--cv-glass-blur)) saturate(180%);
  border-bottom: 1px solid var(--cv-glass-border);
  transition: background var(--cv-dur-base) var(--cv-ease);
}
.cv-nav-inner {
  max-width: var(--cv-container);
  margin: 0 auto;
  padding: var(--cv-space-3) var(--cv-space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--cv-space-5);
}
.cv-nav-brand {
  font-family: var(--cv-font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--cv-text);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--cv-space-2);
}
.cv-nav-brand-mark {
  width: 32px; height: 32px;
  border-radius: var(--cv-radius-pill);
  background: linear-gradient(135deg, var(--cv-sky), var(--cv-ocean) 65%, var(--cv-deep));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.85rem;
}
.cv-nav-menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: var(--cv-space-5);
}
.cv-nav-menu a {
  color: var(--cv-text);
  font-size: 0.92rem;
  font-weight: 500;
  text-decoration: none;
  position: relative;
  padding: 6px 0;
}
.cv-nav-menu a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--cv-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--cv-dur-base) var(--cv-ease);
}
.cv-nav-menu a:hover::after,
.cv-nav-menu a.is-active::after { transform: scaleX(1); }
.cv-nav-actions {
  display: flex;
  align-items: center;
  gap: var(--cv-space-3);
}
.cv-nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  width: 40px; height: 40px;
  cursor: pointer;
  color: var(--cv-text);
}
.cv-theme-toggle {
  background: transparent;
  border: 1px solid var(--cv-border);
  border-radius: var(--cv-radius-pill);
  width: 38px; height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--cv-text);
  transition: all var(--cv-dur-fast) var(--cv-ease);
}
.cv-theme-toggle:hover { border-color: var(--cv-accent); color: var(--cv-accent); }

@media (max-width: 880px) {
  .cv-nav-menu {
    position: absolute;
    inset: 100% 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--cv-bg-elev);
    padding: var(--cv-space-4);
    border-bottom: 1px solid var(--cv-rule);
    box-shadow: var(--cv-shadow-md);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: all var(--cv-dur-base) var(--cv-ease);
  }
  .cv-nav-menu.is-open { transform: none; opacity: 1; pointer-events: auto; }
  .cv-nav-menu li { border-bottom: 1px solid var(--cv-rule); }
  .cv-nav-menu li:last-child { border-bottom: 0; }
  .cv-nav-menu a { display: block; padding: var(--cv-space-3) 0; }
  .cv-nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
}

/* ── Hero ───────────────────────────────────────────────────────────────── */
.cv-hero {
  position: relative;
  padding: var(--cv-space-9) var(--cv-space-5);
  background:
    radial-gradient(ellipse at top right, rgba(79, 163, 227, 0.18), transparent 55%),
    radial-gradient(ellipse at bottom left, rgba(224, 122, 42, 0.12), transparent 55%),
    linear-gradient(135deg, var(--cv-deep) 0%, #112e54 60%, var(--cv-ocean) 100%);
  color: #FFFFFF;
  overflow: hidden;
  isolation: isolate;
}
.cv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  z-index: -1;
}
.cv-hero-inner {
  max-width: var(--cv-container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--cv-space-8);
  align-items: center;
}
.cv-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--cv-space-2);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cv-sky);
  margin-bottom: var(--cv-space-4);
  font-weight: 600;
}
.cv-hero-eyebrow::before {
  content: ""; display: inline-block;
  width: 28px; height: 1px; background: currentColor;
}
.cv-hero h1 {
  color: #FFFFFF;
  margin-bottom: var(--cv-space-5);
  max-width: 18ch;
}
.cv-hero-tagline {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--cv-space-6);
  max-width: 48ch;
}
.cv-hero-actions {
  display: flex; flex-wrap: wrap;
  gap: var(--cv-space-3);
}
.cv-hero-portrait {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--cv-radius-lg);
  background:
    linear-gradient(160deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02)),
    var(--cv-ocean);
  border: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: hidden;
  box-shadow: var(--cv-shadow-lg);
}
.cv-hero-portrait img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.cv-hero-portrait-placeholder {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--cv-font-display);
  font-size: 5rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.25);
  letter-spacing: -0.02em;
}
.cv-hero-identities {
  margin-top: var(--cv-space-6);
  display: flex; flex-wrap: wrap;
  gap: var(--cv-space-2);
}
.cv-identity-chip {
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--cv-radius-pill);
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
}
@media (max-width: 880px) {
  .cv-hero { padding: var(--cv-space-7) var(--cv-space-4); }
  .cv-hero-inner { grid-template-columns: 1fr; gap: var(--cv-space-6); }
  .cv-hero-portrait { max-width: 320px; margin: 0 auto; }
}

/* ── Section header ─────────────────────────────────────────────────────── */
.cv-section-head { margin-bottom: var(--cv-space-7); max-width: 720px; }
.cv-section-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cv-accent);
  font-weight: 700;
  margin-bottom: var(--cv-space-3);
}
.cv-section-title { margin-bottom: var(--cv-space-3); }
.cv-section-lead {
  font-size: 1.1rem;
  color: var(--cv-text-muted);
  max-width: 60ch;
}

/* ── Cards ──────────────────────────────────────────────────────────────── */
.cv-card {
  background: var(--cv-bg-elev);
  border: 1px solid var(--cv-rule);
  border-radius: var(--cv-radius-lg);
  padding: var(--cv-space-6);
  transition: transform var(--cv-dur-base) var(--cv-ease),
              box-shadow var(--cv-dur-base) var(--cv-ease),
              border-color var(--cv-dur-base) var(--cv-ease);
}
.cv-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--cv-shadow-md);
  border-color: var(--cv-border);
}
.cv-card-icon {
  width: 44px; height: 44px;
  border-radius: var(--cv-radius-md);
  background: linear-gradient(135deg, var(--cv-sky), var(--cv-ocean));
  color: #FFFFFF;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--cv-space-4);
}
.cv-card h3 { margin-bottom: var(--cv-space-3); }
.cv-card p { color: var(--cv-text-muted); margin-bottom: 0; }
.cv-card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--cv-space-2);
  margin-top: var(--cv-space-4);
  font-weight: 600;
  font-size: 0.92rem;
}
.cv-card-link::after { content: "→"; transition: transform var(--cv-dur-fast) var(--cv-ease); }
.cv-card-link:hover::after { transform: translateX(4px); }

.cv-card-featured {
  position: relative;
  border-color: var(--cv-accent-soft);
}
.cv-card-featured::before {
  content: "Featured";
  position: absolute;
  top: var(--cv-space-3);
  right: var(--cv-space-3);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--cv-accent);
  padding: 3px 10px;
  border: 1px solid var(--cv-accent);
  border-radius: var(--cv-radius-pill);
}

/* ── Article / project tile ─────────────────────────────────────────────── */
.cv-tile {
  display: flex;
  flex-direction: column;
  background: var(--cv-bg-elev);
  border: 1px solid var(--cv-rule);
  border-radius: var(--cv-radius-lg);
  overflow: hidden;
  transition: transform var(--cv-dur-base) var(--cv-ease),
              box-shadow var(--cv-dur-base) var(--cv-ease);
}
.cv-tile:hover { transform: translateY(-4px); box-shadow: var(--cv-shadow-md); }
.cv-tile-media {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--cv-mist), var(--cv-paper));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cv-text-muted);
  font-weight: 700;
  font-size: 1.5rem;
}
.cv-tile-media img { width: 100%; height: 100%; object-fit: cover; }
.cv-tile-body { padding: var(--cv-space-5); display: flex; flex-direction: column; gap: var(--cv-space-2); flex: 1; }
.cv-tile-category {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cv-accent);
  font-weight: 700;
}
.cv-tile-title { font-size: 1.15rem; margin: 0; line-height: 1.35; }
.cv-tile-meta {
  margin-top: auto;
  padding-top: var(--cv-space-3);
  font-size: 0.82rem;
  color: var(--cv-text-muted);
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--cv-rule);
}

/* ── Forms ──────────────────────────────────────────────────────────────── */
.cv-form { display: flex; flex-direction: column; gap: var(--cv-space-4); }
.cv-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--cv-space-4); }
@media (max-width: 640px) { .cv-form-row { grid-template-columns: 1fr; } }

.cv-field { display: flex; flex-direction: column; gap: 6px; }
.cv-field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--cv-text);
}
.cv-field-required::after { content: " *"; color: var(--cv-accent); }
.cv-input, .cv-textarea, .cv-select {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--cv-font-body);
  font-size: 0.95rem;
  color: var(--cv-text);
  background: var(--cv-bg-elev);
  border: 1px solid var(--cv-border);
  border-radius: var(--cv-radius-md);
  transition: border-color var(--cv-dur-fast) var(--cv-ease),
              box-shadow var(--cv-dur-fast) var(--cv-ease);
}
.cv-input:focus, .cv-textarea:focus, .cv-select:focus {
  outline: none;
  border-color: var(--cv-ocean);
  box-shadow: 0 0 0 3px rgba(27, 94, 151, 0.15);
}
.cv-textarea { min-height: 140px; resize: vertical; }
.cv-checkbox { display: flex; align-items: flex-start; gap: var(--cv-space-3); font-size: 0.9rem; }
.cv-checkbox input { margin-top: 3px; accent-color: var(--cv-ocean); }
.cv-field-error { color: #C53030; font-size: 0.82rem; }
.cv-form-status { padding: var(--cv-space-3) var(--cv-space-4); border-radius: var(--cv-radius-md); font-size: 0.92rem; }
.cv-form-status.is-success { background: #E6F4EA; color: #1E6B3E; }
.cv-form-status.is-error { background: #FCE7E7; color: #8C2A2A; }
html[data-cv-theme="dark"] .cv-form-status.is-success { background: rgba(30, 107, 62, 0.25); color: #9FE3B5; }
html[data-cv-theme="dark"] .cv-form-status.is-error { background: rgba(140, 42, 42, 0.25); color: #F7B4B4; }

/* ── Tag / badge / chip ─────────────────────────────────────────────────── */
.cv-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  background: var(--cv-bg-section);
  color: var(--cv-text-muted);
  border-radius: var(--cv-radius-pill);
  font-size: 0.78rem;
  font-weight: 500;
}
.cv-tag-accent { background: var(--cv-accent-soft); color: #7A3F12; }
html[data-cv-theme="dark"] .cv-tag-accent { background: rgba(224, 122, 42, 0.25); color: var(--cv-accent); }

/* ── Stat block ─────────────────────────────────────────────────────────── */
.cv-stat { text-align: left; }
.cv-stat-value {
  font-family: var(--cv-font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--cv-text);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: var(--cv-space-2);
}
.cv-stat-label {
  font-size: 0.85rem;
  color: var(--cv-text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ── Quote / testimonial ────────────────────────────────────────────────── */
.cv-quote {
  position: relative;
  padding: var(--cv-space-6);
  background: var(--cv-bg-elev);
  border-left: 3px solid var(--cv-accent);
  border-radius: var(--cv-radius-md);
  font-size: 1.05rem;
  color: var(--cv-text);
}
.cv-quote::before {
  content: "“";
  position: absolute;
  top: -10px; left: var(--cv-space-4);
  font-family: var(--cv-font-display);
  font-size: 3.5rem;
  line-height: 1;
  color: var(--cv-accent);
  opacity: 0.45;
}
.cv-quote-attribution {
  margin-top: var(--cv-space-4);
  font-size: 0.88rem;
  color: var(--cv-text-muted);
  font-weight: 600;
}

/* ── Footer ─────────────────────────────────────────────────────────────── */
.cv-footer {
  background: var(--cv-deep);
  color: rgba(255, 255, 255, 0.86);
  padding: var(--cv-space-8) var(--cv-space-5) var(--cv-space-5);
  margin-top: var(--cv-space-9);
}
.cv-footer-inner {
  max-width: var(--cv-container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--cv-space-7);
}
.cv-footer h4 {
  color: #FFFFFF;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--cv-space-4);
}
.cv-footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--cv-space-2); }
.cv-footer a { color: rgba(255, 255, 255, 0.78); }
.cv-footer a:hover { color: var(--cv-sky); }
.cv-footer-brand p { color: rgba(255, 255, 255, 0.7); max-width: 36ch; }
.cv-footer-base {
  max-width: var(--cv-container);
  margin: var(--cv-space-7) auto 0;
  padding-top: var(--cv-space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.66);
  display: flex;
  flex-direction: column;
  gap: var(--cv-space-2);
  text-align: center;
}
@media (max-width: 880px) {
  .cv-footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .cv-footer-inner { grid-template-columns: 1fr; }
}

/* ── Skip link visible on focus ─────────────────────────────────────────── */
.cv-skip-link:focus-visible {
  position: absolute;
  top: var(--cv-space-3);
  left: var(--cv-space-3);
  z-index: 1000;
  padding: 10px 16px;
  background: var(--cv-deep);
  color: #FFFFFF;
  border-radius: var(--cv-radius-md);
}