/* ─────────────────────────────────────────────────────────────
   Components — cursor, nav, buttons, cards
──────────────────────────────────────────────────────────────── */

/* ── Scroll progress bar ── */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0);
  transform-origin: left center;
  z-index: 200;
  pointer-events: none;
}

/* ── Split text overflow clip (for char/word reveals) ── */
.hero-name, .section-title, .about-text .lead, .contact-email {
  overflow: hidden;
}
.split-char, .split-word { will-change: transform, opacity; }

/* Inherit the gradient onto each split char inside <em>,
   otherwise -webkit-text-fill-color: transparent makes them invisible. */
.section-title em .split-char {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ── Custom cursor ── */
.cursor {
  position: fixed;
  top: 0; left: 0;
  z-index: 9999;
  pointer-events: none;
  mix-blend-mode: difference;
}
.cursor-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #fff;
  transform: translate(-50%, -50%);
}
.cursor-ring {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid #fff;
  transform: translate(-50%, -50%);
  transition: width 0.25s var(--ease-out), height 0.25s var(--ease-out), opacity 0.25s;
  opacity: 0.6;
}
@media (hover: none), (pointer: coarse) {
  .cursor { display: none; }
}

/* ── Navigation ── */
nav {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 0.7rem 1.4rem 0.7rem 1.6rem;
  border-radius: var(--radius-pill);
  width: min(960px, calc(100% - 2rem));
  transition: top 0.4s var(--ease-out), background var(--dur);
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--text);
  text-decoration: none;
  transition: color var(--dur);
}
.nav-links {
  display: flex;
  gap: 1.8rem;
  list-style: none;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.25s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease-out);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-controls {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

/* ── Mode toggle (neumorphic switch) ── */
.mode-toggle {
  position: relative;
  width: 56px;
  height: 28px;
  border: none;
  border-radius: var(--radius-pill);
  background: var(--surface);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px;
  box-shadow: var(--neu-inset);
}
.mode-toggle .mode-icon {
  font-size: 0.7rem;
  line-height: 1;
  color: var(--muted);
  z-index: 1;
  user-select: none;
}
.mode-thumb {
  position: absolute;
  top: 3px; left: 3px;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: var(--neu-raised-sm);
  transition: transform 0.4s var(--ease-out), background var(--dur);
}
[data-mode="light"] .mode-thumb { transform: translateX(28px); }

/* ── Hamburger ── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px; height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 101;
}
.hamburger span {
  display: block;
  width: 18px; height: 1.8px;
  margin: 0 auto;
  background: var(--text);
  transition: transform 0.35s var(--ease-out), opacity 0.3s, background var(--dur);
  transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile menu ── */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 1rem;
  z-index: 99;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2.2rem;
  border-radius: var(--radius-lg);
  opacity: 0;
  transition: opacity 0.4s var(--ease-out);
}
.mobile-menu.open { opacity: 1; }
.mobile-menu a {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
  transition: color 0.25s, transform 0.25s var(--ease-out);
}
.mobile-menu a:hover { color: var(--accent); transform: translateX(6px); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.8rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius-pill);
  color: var(--text);
  transition: transform 0.3s var(--ease-out), color var(--dur), box-shadow 0.3s;
}
@media (hover: hover) and (pointer: fine) { .btn { cursor: none; } }

.btn-primary {
  color: var(--text);
}
.btn-primary:hover {
  color: var(--accent);
}
.btn-primary:active {
  box-shadow: var(--neu-inset);
}

.btn-ghost {
  color: var(--muted);
}
.btn-ghost:hover { color: var(--text); }

/* ── Section labels & titles ── */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.2vw, 3.6rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin-bottom: 2.8rem;
}
.section-title em {
  font-style: normal;
  font-weight: 500;
  color: var(--accent);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ── Skill tags ── */
.skill-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 0.85rem 1rem;
  text-align: center;
  border-radius: var(--radius-sm);
  transition: color 0.25s, transform 0.25s var(--ease-out);
}
.skill-tag:hover { color: var(--accent); transform: translateY(-2px); }

/* ── Project card ── */
.project-card {
  padding: 2rem 2rem 1.8rem;
  display: flex;
  flex-direction: column;
}
.project-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 1.2rem;
}
.project-name {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
  line-height: 1.2;
}
.project-desc {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 1.4rem;
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.6rem;
}
.project-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-pill);
  background: var(--glass-hi);
  border: 1px solid var(--glass-border);
}
.project-link {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap 0.25s var(--ease-out);
}
.project-link:hover { gap: 0.95rem; }

/* ── Experience ── */
.exp-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.exp-item {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 2rem;
  padding: 1.8rem 2rem;
  transition: transform 0.4s var(--ease-out);
}
.exp-item:hover { transform: translateY(-4px); }
.exp-period {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding-top: 0.3rem;
}
.exp-role {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}
.exp-company {
  font-size: 0.92rem;
  color: var(--muted);
  margin-bottom: 0.8rem;
}
.exp-desc {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ── Contact card ── */
.contact-card {
  max-width: 760px;
  margin: 0 auto;
  padding: 4rem 3rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.contact-blurb {
  color: var(--muted);
  max-width: 480px;
  margin-bottom: 1.5rem;
}
.contact-email {
  font-family: var(--font-display);
  font-size: clamp(1rem, 5.2vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
  margin: 1rem 0 2rem;
  position: relative;
  white-space: nowrap;
  max-width: 100%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: transform 0.3s var(--ease-out);
}
.contact-email:hover { transform: scale(1.02); }
.social-links {
  display: flex;
  gap: 1.6rem;
  list-style: none;
  flex-wrap: wrap;
  justify-content: center;
}
.social-links a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.25s;
}
.social-links a:hover { color: var(--accent); }