/* =============================================================================
   about.css — About page styles
   響(Hibiki) Portfolio — hibikishimizu.com
   ============================================================================= */

/* --------------------------------------------------------------------------
   Page layout
   -------------------------------------------------------------------------- */
.about-page {
  padding-top: 80px; /* nav offset */
}

/* Tighter vertical spacing for about sections */
.about-page .section-pad {
  padding-block: clamp(24px, 3vw, 48px);
}


/* --------------------------------------------------------------------------
   Hero / Profile Header
   -------------------------------------------------------------------------- */
#about-hero {
  position: relative;
  padding: clamp(80px, 12vw, 140px) 0 clamp(60px, 8vw, 100px);
  overflow: hidden;
}

.about-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.about-hero-bg .ambient {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
}

.about-hero-bg .ambient-1 {
  width: 500px;
  height: 500px;
  top: -100px;
  left: -100px;
  background: radial-gradient(circle, #c8a96e 0%, transparent 70%);
}

.about-hero-bg .ambient-2 {
  width: 400px;
  height: 400px;
  bottom: -80px;
  right: -80px;
  background: radial-gradient(circle, #7c5c8a 0%, transparent 70%);
}

.about-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}

@media (max-width: 768px) {
  .about-hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

/* Profile photo */
.about-profile-photo-wrap {
  position: relative;
  width: 280px;
  justify-self: center;
}

.about-profile-photo {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--radius-lg);
  display: block;
  filter: grayscale(10%) contrast(1.05);
  transition: filter 0.4s ease;
}

.about-profile-photo:hover {
  filter: grayscale(0%) contrast(1.1);
}

.about-profile-frame {
  position: absolute;
  inset: -6px -6px 6px 6px;
  border: 1px solid rgba(200, 169, 110, 0.3);
  border-radius: calc(var(--radius-lg) + 4px);
  pointer-events: none;
}

/* Hero text */
.about-hero-text {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.about-name-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.about-name-jp {
  font-size: var(--fs-4xl);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  background: var(--grad-warm);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  padding-bottom: 0.15em;
}

.about-name-en {
  font-size: var(--fs-2xl);
  font-weight: 600;
  color: var(--c-text-sub);
  letter-spacing: 0.02em;
}

.about-role {
  font-size: var(--fs-base);
  color: var(--c-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.about-hero-desc {
  font-size: var(--fs-lg);
  line-height: 1.8;
  color: var(--c-text-sub);
  max-width: 520px;
}

.about-hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .about-hero-actions {
    justify-content: center;
  }
  .about-hero-desc {
    max-width: none;
    font-size: var(--fs-base);
  }
  .about-profile-photo-wrap {
    width: 220px;
  }
}

/* --------------------------------------------------------------------------
   Second photo section (graduation photo)
   -------------------------------------------------------------------------- */
.photo-duo {
  display: flex;
  gap: 16px;
  margin-top: 8px;
}

.photo-duo-item {
  flex: 1;
  position: relative;
}

.photo-duo-item img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius-md);
  display: block;
}

.photo-duo-caption {
  font-size: var(--fs-xs);
  color: var(--c-text-muted);
  margin-top: 6px;
  text-align: center;
}

/* --------------------------------------------------------------------------
   Stats bar
   -------------------------------------------------------------------------- */
.about-stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--c-border);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: 0 0 clamp(60px, 8vw, 100px);
}

.stat-bar-item {
  padding: 32px 24px;
  background: var(--c-bg-2);
  text-align: center;
  transition: background 0.2s ease;
}

.stat-bar-item:hover {
  background: var(--c-bg-3);
}

.stat-bar-num {
  font-size: var(--fs-3xl);
  font-weight: 700;
  background: var(--grad-warm);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  padding-bottom: 0.2em;
  margin-bottom: 6px;
  display: block;
}

.stat-bar-label {
  font-size: var(--fs-xs);
  color: var(--c-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@media (max-width: 768px) {
  .about-stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

/* --------------------------------------------------------------------------
   Career Timeline
   -------------------------------------------------------------------------- */
#career {
  position: relative;
}

.career-timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 48px;
}

.career-timeline::before {
  content: '';
  position: absolute;
  left: 112px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--c-border) 10%, var(--c-border) 90%, transparent);
}

@media (max-width: 640px) {
  .career-timeline::before {
    left: 0;
  }
}

.timeline-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 32px;
  padding: 40px 0;
  border-bottom: 1px solid var(--c-border);
  position: relative;
}

.timeline-item:last-child {
  border-bottom: none;
}

/* Timeline dot */
.timeline-item::after {
  content: '';
  position: absolute;
  left: 108px;
  top: 48px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 12px rgba(200, 169, 110, 0.5);
}

@media (max-width: 640px) {
  .timeline-item {
    grid-template-columns: 1fr;
    padding-left: 24px;
  }

  .timeline-item::after {
    left: -4px;
    top: 44px;
  }
}

.timeline-period {
  font-size: var(--fs-sm);
  color: var(--c-text-muted);
  font-family: var(--font-en);
  letter-spacing: 0.04em;
  padding-top: 4px;
  text-align: right;
  padding-right: 32px;
}

@media (max-width: 640px) {
  .timeline-period {
    text-align: left;
    padding-right: 0;
  }
}

.timeline-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.timeline-title {
  font-size: var(--fs-lg);
  font-weight: 600;
  color: var(--c-text);
  line-height: 1.3;
}

.timeline-org {
  font-size: var(--fs-sm);
  color: var(--c-accent);
  font-family: var(--font-en);
}

.timeline-desc {
  font-size: var(--fs-sm);
  color: var(--c-text-muted);
  line-height: 1.7;
  max-width: 600px;
}

.timeline-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.timeline-photo {
  width: 100%;
  max-width: 320px;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-top: 12px;
  opacity: 0.85;
  transition: opacity 0.3s;
}

.timeline-photo:hover {
  opacity: 1;
}

/* --------------------------------------------------------------------------
   Certifications
   -------------------------------------------------------------------------- */
#certifications .certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 48px;
}

.cert-card {
  background: var(--c-bg-2);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: border-color 0.25s, transform 0.25s;
}

.cert-card:hover {
  border-color: rgba(200, 169, 110, 0.35);
  transform: translateY(-2px);
}

.cert-icon {
  font-size: 24px;
  flex-shrink: 0;
  line-height: 1;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(255, 107, 53, 0.08);
  border: 1px solid rgba(255, 107, 53, 0.15);
  color: var(--c-accent);
}

.cert-body {
  flex: 1;
}

.cert-name {
  font-size: var(--fs-base);
  font-weight: 600;
  color: var(--c-text);
  line-height: 1.3;
}

.cert-issuer {
  font-size: var(--fs-xs);
  color: var(--c-text-muted);
  margin-top: 4px;
  font-family: var(--font-en);
}

.cert-year {
  font-size: var(--fs-xs);
  color: var(--c-accent);
  font-family: var(--font-en);
  margin-top: 8px;
  letter-spacing: 0.04em;
}

/* --------------------------------------------------------------------------
   Skills — Full breakdown
   -------------------------------------------------------------------------- */
#skills-full .skills-section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 48px;
}

@media (max-width: 768px) {
  #skills-full .skills-section-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.skills-col-title {
  font-size: var(--fs-sm);
  color: var(--c-text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
  font-family: var(--font-en);
}

/* Skill bars */
.skill-bars-full .skill-bar-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.skill-bars-full .skill-name {
  width: 100px;
  font-size: var(--fs-sm);
  color: var(--c-text-sub);
  flex-shrink: 0;
}

.skill-bars-full .skill-bar-track {
  flex: 1;
  height: 4px;
  background: var(--c-bg-3);
  border-radius: 2px;
  overflow: hidden;
}

.skill-bars-full .skill-bar-fill {
  height: 100%;
  background: var(--grad-warm);
  border-radius: 2px;
  width: 0;
  transition: width 0s; /* driven by GSAP */
}

.skill-bars-full .skill-pct {
  width: 32px;
  font-size: var(--fs-xs);
  color: var(--c-text-muted);
  font-family: var(--font-en);
  text-align: right;
  flex-shrink: 0;
}

/* Tag clusters */
.skill-cluster {
  margin-bottom: 24px;
}

.skill-cluster-label {
  font-size: var(--fs-xs);
  color: var(--c-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.skill-cluster-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* --------------------------------------------------------------------------
   Languages / Natural
   -------------------------------------------------------------------------- */
#languages-section .lang-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 48px;
}

.lang-item {
  background: var(--c-bg-2);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.lang-name {
  font-size: var(--fs-base);
  font-weight: 500;
  color: var(--c-text);
}

.lang-level {
  font-size: var(--fs-xs);
  color: var(--c-accent);
  font-family: var(--font-en);
  letter-spacing: 0.04em;
}

/* --------------------------------------------------------------------------
   Interests / Hobbies
   -------------------------------------------------------------------------- */
#interests .interests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
  margin-top: 48px;
}

.interest-card {
  background: var(--c-bg-2);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 24px 16px;
  text-align: center;
  transition: border-color 0.25s, transform 0.25s;
}

.interest-card:hover {
  border-color: rgba(200, 169, 110, 0.3);
  transform: translateY(-3px);
}

.interest-icon {
  font-size: 28px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin-inline: auto;
  border-radius: var(--radius-lg);
  background: rgba(255, 107, 53, 0.06);
  border: 1px solid rgba(255, 107, 53, 0.12);
  color: var(--c-accent);
  transition: all 0.3s ease;
}

.interest-card:hover .interest-icon {
  background: rgba(255, 107, 53, 0.12);
  border-color: rgba(255, 107, 53, 0.25);
  transform: scale(1.08);
}

.interest-label {
  font-size: var(--fs-sm);
  color: var(--c-text-sub);
}