/* ==========================================================================
   components.css — reusable UI pieces
   ========================================================================== */

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.8rem 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 500;
  white-space: nowrap;
  transition:
    transform 0.35s var(--ease-out),
    box-shadow 0.35s,
    border-color 0.3s,
    color 0.3s,
    background 0.3s;
}
.btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #1a1206;
  box-shadow: 0 8px 30px -10px rgba(var(--glow), 0.6);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px -10px rgba(var(--glow), 0.85);
}
.btn--ghost {
  border-color: var(--border-strong);
  background: transparent;
}
.btn--ghost:hover {
  border-color: rgba(var(--glow), 0.5);
  color: var(--accent);
  transform: translateY(-2px);
}
.btn--small {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}
.btn--lg {
  padding: 1rem 1.8rem;
  font-size: 1.05rem;
}
.btn--block {
  width: 100%;
  justify-content: center;
}

.icon-btn {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text-2);
  transition:
    color 0.3s,
    border-color 0.3s,
    transform 0.35s var(--ease-out);
}
.icon-btn:hover {
  color: var(--accent);
  border-color: rgba(var(--glow), 0.5);
  transform: translateY(-2px);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  color: var(--accent);
  transition: gap 0.3s;
}
.link-arrow:hover {
  gap: 0.65rem;
}

/* ---------- Status pill ---------- */
.status {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 0.95rem 0.4rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-solid);
  font-size: 0.82rem;
  color: var(--muted);
}
.status__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #34d399;
  animation: pulse 2.2s infinite;
}

/* ---------- Section heading ---------- */
.section-head {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  margin-bottom: clamp(2.5rem, 6vh, 4rem);
}
.section-head__num {
  color: var(--accent);
  font-size: 0.9rem;
  font-family: var(--font-mono);
}
.section-head__title {
  font-size: clamp(1.9rem, 5vw, 3.2rem);
}
.section-head__line {
  flex: 1;
  max-width: 320px;
  height: 1px;
  background: linear-gradient(90deg, var(--border-strong), transparent);
}

/* ---------- Card ---------- */
.card {
  position: relative;
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(1.25rem, 2.5vw, 1.9rem);
}

/* ---------- Chips ---------- */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}
.chip {
  font-size: 0.82rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-2);
  transition:
    border-color 0.25s,
    color 0.25s;
}
.chip:hover {
  border-color: rgba(var(--glow), 0.45);
  color: var(--accent);
}
.chips--sm .chip {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.25rem 0.6rem;
}

/* ---------- About: photo + stats ---------- */
.about__photo {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: #0d0f15;
}
.about__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out);
}
.about__photo:hover img {
  transform: scale(1.03);
}

.media-fallback {
  display: none;
}
.is-fallback {
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 30% 20%, rgba(var(--glow), 0.22), transparent 60%), radial-gradient(circle at 80% 90%, rgba(94, 234, 212, 0.14), transparent 55%), #0d0f15;
}
.is-fallback .media-fallback {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.35);
}

.stats {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.stat__value {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1;
  background: linear-gradient(180deg, #fff, #a9afbd);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat__label {
  font-size: 0.85rem;
  color: var(--muted);
}
@media (max-width: 900px) {
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------- Skills ---------- */
.skill-group__head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.skill-group__icon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: var(--accent);
  background: rgba(var(--glow), 0.08);
  border: 1px solid rgba(var(--glow), 0.2);
}
.skill-group h3 {
  font-size: 1.05rem;
}

.marquee {
  position: relative;
  z-index: 1;
  margin-top: clamp(3rem, 8vh, 5rem);
  display: grid;
  gap: 0.75rem;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee__row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  width: max-content;
  will-change: transform;
}
.marquee__item {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.6rem, 4.5vw, 3.4rem);
  color: rgba(255, 255, 255, 0.85);
  white-space: nowrap;
  letter-spacing: -0.02em;
}
.marquee__item.is-outline {
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.22);
}
.marquee__sep {
  color: var(--accent);
  font-size: 1.1rem;
  opacity: 0.7;
}

/* ---------- Timeline ---------- */
.timeline__line {
  position: absolute;
  left: 0.6rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
  border-radius: 2px;
}
.timeline__line span {
  position: absolute;
  inset: 0;
  transform-origin: top;
  transform: scaleY(0);
  background: linear-gradient(var(--accent), var(--accent-2));
  box-shadow: 0 0 14px rgba(var(--glow), 0.6);
}
.tl-item {
  position: relative;
  margin-bottom: 2.5rem;
}
.tl-item:last-child {
  margin-bottom: 0;
}
.tl-item::before {
  content: "";
  position: absolute;
  left: calc(0.6rem - 2.5rem - 5px);
  top: 1.9rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--dim);
  transition: all 0.5s var(--ease-out);
  z-index: 1;
}
.tl-item.is-active::before {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow:
    0 0 0 6px rgba(var(--glow), 0.14),
    0 0 20px rgba(var(--glow), 0.7);
}

.tl-card__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.9rem;
}
.tl-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: rgba(var(--glow), 0.08);
  border: 1px solid rgba(var(--glow), 0.2);
}
.tl-period {
  font-size: 0.8rem;
  color: var(--dim);
}
.tl-title {
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
}
.tl-org {
  color: var(--muted);
  margin: 0.35rem 0 1rem;
  font-size: 0.95rem;
}
.tl-org span {
  color: var(--dim);
}
.tl-points {
  display: grid;
  gap: 0.7rem;
  color: var(--text-2);
  font-size: 0.93rem;
  margin-bottom: 1.1rem;
}
.tl-points li {
  position: relative;
  padding-left: 1.1rem;
}
.tl-points li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--accent);
}
.tl-points strong {
  color: var(--text);
  font-weight: 600;
}

/* ---------- Project cards ---------- */
.project {
  --focus: 1;
  --off: 0;
  perspective: 1200px;
}
.projects.is-horizontal .project {
  width: min(600px, 72vw);
  transform: rotateY(calc(var(--off) * -14deg)) scale(calc(0.9 + 0.1 * var(--focus)));
  opacity: calc(0.4 + 0.6 * var(--focus));
}
.project__inner {
  height: 100%;
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform-style: preserve-3d;
  transition:
    transform 0.45s var(--ease-out),
    border-color 0.3s;
}
.project__media {
  position: relative;
  height: clamp(130px, 22vh, 210px);
  overflow: hidden;
  background: #0d0f15;
  border-bottom: 1px solid var(--border);
}
.project__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform 0.8s var(--ease-out);
}
.project:hover .project__media img {
  transform: scale(1.04);
}
.project__index {
  position: absolute;
  top: 0.9rem;
  left: 1rem;
  z-index: 1;
  font-size: 0.72rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: rgba(7, 8, 12, 0.75);
  border: 1px solid var(--border);
}
.project__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.4rem 1.6rem 1.6rem;
}
.project__meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.74rem;
  color: var(--dim);
}
.project__type {
  color: var(--accent);
}
.project__title {
  font-size: clamp(1.35rem, 2.2vw, 1.7rem);
}
.project__tagline {
  margin-top: -0.4rem;
  color: var(--muted);
  font-size: 0.95rem;
}
.project__points {
  display: grid;
  gap: 0.55rem;
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--text-2);
}
.project__points li {
  position: relative;
  padding-left: 1rem;
}
.project__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}
.project__points strong {
  color: var(--text);
  font-weight: 600;
}
.project__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: auto;
  padding-top: 0.4rem;
}

.projects__progress {
  display: none;
  height: 2px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}
.projects.is-horizontal .projects__progress {
  display: block;
}
.projects__progress span {
  display: block;
  height: 100%;
  transform-origin: left;
  transform: scaleX(0);
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

@media (max-height: 820px) {
  .projects.is-horizontal .project__media {
    height: 110px;
  }
  .projects.is-horizontal .project__points {
    font-size: 0.8rem;
    gap: 0.4rem;
  }
}
@media (max-height: 700px) {
  .projects.is-horizontal .project__media {
    display: none;
  }
}

/* ---------- Stacking cards ---------- */
.stack > .stack__card {
  position: sticky;
  top: calc(var(--nav-h) + 3rem + var(--i) * 22px);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 1.5rem;
  min-height: 210px;
  transform-origin: 50% 0;
  will-change: transform;
  background: linear-gradient(160deg, #151924, #0d0f16);
  box-shadow: 0 -10px 40px -20px rgba(0, 0, 0, 0.8);
}
.stack__icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: var(--accent);
  background: rgba(var(--glow), 0.08);
  border: 1px solid rgba(var(--glow), 0.25);
  box-shadow: 0 0 30px -8px rgba(var(--glow), 0.5);
}
.stack__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--dim);
}
.stack__meta span:first-child {
  color: var(--accent);
}
.stack__title {
  font-size: clamp(1.3rem, 2.6vw, 1.8rem);
  margin: 0.4rem 0 0.3rem;
}
.stack__org {
  color: var(--muted);
  font-size: 0.95rem;
}
.stack__desc {
  color: var(--text-2);
  font-size: 0.92rem;
  margin: 0.6rem 0 0.8rem;
}
.stack__num {
  font-family: var(--font-display);
  font-size: 2.6rem;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.14);
}
@media (max-width: 640px) {
  .stack > .stack__card {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .stack__num {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    font-size: 1.8rem;
  }
}

/* ---------- Resume ---------- */
.resume__viewer {
  padding: 0;
  overflow: hidden;
}
.resume__bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.8rem 1.1rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  font-size: 0.8rem;
}
.resume__dots {
  display: flex;
  gap: 6px;
}
.resume__dots i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #2a2f3b;
}
.resume__dots i:first-child {
  background: rgba(var(--glow), 0.8);
}
.resume__file {
  flex: 1;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.resume__open {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--accent);
}
.resume__object {
  display: block;
  width: 100%;
  height: min(85vh, 1000px);
  background: #1a1d26;
}
.resume__fallback {
  height: 100%;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 1rem;
  padding: 2rem;
  color: var(--muted);
  text-align: center;
}
.resume__mobile {
  display: none;
}
.resume__aside {
  display: grid;
  gap: 0.9rem;
  position: sticky;
  top: calc(var(--nav-h) + 1.5rem);
}
.resume__facts h3 {
  font-size: 1.1rem;
  margin-bottom: 1.1rem;
}
.resume__facts dl {
  display: grid;
  gap: 0.95rem;
}
.resume__facts dt {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--dim);
}
.resume__facts dd {
  font-size: 0.95rem;
}
@media (max-width: 900px) {
  .resume__aside {
    position: static;
  }
}
@media (max-width: 700px) {
  .resume__object {
    display: none;
  }
  .resume__mobile {
    display: grid;
    place-items: center;
    gap: 1rem;
    padding: 3rem 1.5rem;
    text-align: center;
    color: var(--muted);
  }
  .resume__mobile .icon {
    color: var(--accent);
  }
}

/* ---------- Text gradient ---------- */
.text-grad {
  background: linear-gradient(120deg, var(--accent), var(--accent-2) 60%, #ffd58a);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 2rem;
  z-index: 200;
  transform: translate(-50%, 180%);
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  font-size: 0.9rem;
  background: #151923;
  border: 1px solid rgba(var(--glow), 0.35);
  box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.7);
  transition: transform 0.5s var(--ease-out);
}
.toast.is-show {
  transform: translate(-50%, 0);
}