/* Load display and text families */
@import url('https://api.fontshare.com/v2/css?f[]=clash-display@500,600&display=swap');
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=IBM+Plex+Sans:wght@400;500;600&display=swap');

/* ---------- THEME COLORS ---------- */
:root {
  --bg: #FAF7F3;
  --surface: #F4F0EA;
  --surface-soft: #F4F0EA;
  --surface-strong: #EDE8E0;
  --text: #111111;
  --muted: #66615A;
  --faint: #827C73;
  --line: rgba(17, 17, 17, 0.18);
  --line-strong: rgba(17, 17, 17, 0.34);
  --shadow: none;
  --font-display: 'Clash Display', 'IBM Plex Sans', system-ui, sans-serif;
  --font-sans: 'IBM Plex Sans', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --step--1: clamp(0.82rem, 0.78rem + 0.18vw, 0.92rem);
  --step-0: clamp(0.98rem, 0.94rem + 0.22vw, 1.08rem);
  --step-1: clamp(1.12rem, 1.04rem + 0.4vw, 1.32rem);
  --step-2: clamp(1.38rem, 1.2rem + 0.9vw, 1.9rem);
  --step-3: clamp(2rem, 1.55rem + 2.2vw, 3.25rem);
  --radius-sm: 0.45rem;
  --radius-md: 0.72rem;
}

/* Base reset */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

.ambient-dust {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(250, 247, 243, 0.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.header-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text);
  text-decoration: none;
  text-transform: uppercase;
}

.site-header .nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.site-header .nav-links a {
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: var(--step--1);
  text-decoration: none;
  padding: 0.35rem 0;
  border-radius: 0;
  transition: color 180ms ease;
}

.site-header .nav-links a:hover,
.site-header .nav-links a:focus-visible {
  color: var(--text);
}

.site-header .nav-links a.active {
  color: var(--text);
}

.page {
  position: relative;
  z-index: 1;
  max-width: 1040px;
  margin: 0 auto;
  padding: 4rem 1.5rem 5rem;
}

/* Typography */
h1, h2, h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0;
  color: var(--text);
}

h1 {
  font-size: var(--step-3);
  line-height: 1.03;
}

h2 {
  font-size: var(--step-2);
}

h3 {
  font-size: var(--step-1);
}

p {
  margin: 0 0 1rem;
  line-height: 1.75;
  font-size: var(--step-0);
  color: var(--muted);
}

ul {
  margin: 0.85rem 0 1rem;
  padding-left: 1.1rem;
}

li {
  margin-bottom: 0.4rem;
  font-size: var(--step-0);
  color: var(--muted);
}

a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  opacity: 0.88;
}

/* Focus styles */
a:focus-visible,
button:focus-visible,
.site-header .nav-links a:focus-visible {
  outline: 2px solid rgba(17, 17, 17, 0.7);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Scroll reveal helpers */
.reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 420ms cubic-bezier(.2,.9,.2,1), transform 420ms cubic-bezier(.2,.9,.2,1);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* Hero */
.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(17rem, 0.72fr);
  align-items: center;
  gap: 2.5rem;
  min-height: 31rem;
  padding: 3.25rem 2.5rem 3rem;
  border-radius: var(--radius-md);
  background: rgba(244, 240, 234, 0.38);
  box-shadow: none;
  border: 1px solid var(--line);
  overflow: hidden;
}

.hero::before {
  content: none;
}

.hero > * {
  position: relative;
}

.hero-content {
  max-width: 39rem;
  z-index: 2;
}

.intro-eyebrow {
  display: inline-flex;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  margin-bottom: 1rem;
  color: var(--faint);
}

.intro-name {
  max-width: 12ch;
  text-wrap: balance;
}

.hero-tagline {
  max-width: 39rem;
  margin-top: 1rem;
  margin-bottom: 1rem;
  color: var(--text);
}

.hero-copy {
  max-width: 39rem;
  margin-bottom: 1.85rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.78rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-decoration: none;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.button-primary {
  background: var(--text);
  color: var(--bg);
  box-shadow: none;
}

.button-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #111111;
  box-shadow: none;
}

.button-secondary:hover,
.button-secondary:focus-visible {
  background: rgba(17, 17, 17, 0.05);
  border-color: var(--line-strong);
  box-shadow: none;
}

.hero-visual {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  min-height: 24rem;
  isolation: isolate;
}

.portrait-ring {
  position: relative;
  z-index: 2;
  width: clamp(13rem, 24vw, 18rem);
  aspect-ratio: 1;
  padding: 0.45rem;
  border-radius: 50%;
  background: var(--line-strong);
  box-shadow:
    0 0 0 1px var(--line),
    0 18px 42px rgba(17, 17, 17, 0.12);
  animation: portraitDrift 9s ease-in-out infinite;
  transition: box-shadow 520ms cubic-bezier(0.16, 1, 0.3, 1);
}

.portrait-link {
  display: inline-block;
  border-radius: 50%;
  color: inherit;
  text-decoration: none;
  transform-origin: center;
  transition: transform 520ms cubic-bezier(0.16, 1, 0.3, 1);
}

.portrait-link:focus-visible {
  outline: 2px solid rgba(17, 17, 17, 0.7);
  outline-offset: 0.55rem;
}

.portrait-link:hover,
.portrait-link:focus-visible {
  transform: translateY(-9px) scale(1.04);
}

.portrait-link:hover .portrait-ring,
.portrait-link:focus-visible .portrait-ring {
  box-shadow:
    0 0 0 1px var(--line),
    0 0 0 0.42rem rgba(250, 247, 243, 0.72),
    0 20px 48px rgba(17, 17, 17, 0.14);
}

.portrait-invitation {
  width: min(13rem, 100%);
  margin: 1.05rem auto 0;
  color: var(--text);
  line-height: 1.2;
  opacity: 0.76;
  pointer-events: none;
  text-align: center;
  transform: translateY(0);
  transition: opacity 420ms ease, transform 420ms cubic-bezier(0.16, 1, 0.3, 1);
}

.portrait-invitation-arrow {
  display: inline-block;
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1;
  transform: translateY(-0.02rem);
}

.portrait-invitation-copy {
  display: grid;
  gap: 0.18rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--line-strong);
}

.portrait-invitation-label,
.portrait-invitation-text {
  display: block;
}

.portrait-invitation-label {
  color: var(--text);
  font-family: var(--font-mono);
  font-size: clamp(0.58rem, 0.55rem + 0.12vw, 0.68rem);
  font-weight: 500;
  letter-spacing: 0.14em;
}

.portrait-invitation-text {
  color: var(--muted);
  font-size: clamp(0.72rem, 0.68rem + 0.16vw, 0.82rem);
}

.portrait-link:hover + .portrait-invitation,
.portrait-link:focus-visible + .portrait-invitation {
  opacity: 1;
  transform: translateY(-0.18rem);
}

.hero-portrait {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: 50% 42%;
  background: var(--surface);
}

.audio-wave {
  display: none;
}

.audio-wave::before,
.audio-wave::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    linear-gradient(90deg, transparent, rgba(17, 17, 17, 0.1), rgba(130, 124, 115, 0.08), transparent),
    repeating-linear-gradient(90deg, transparent 0 1.1rem, rgba(17, 17, 17, 0.08) 1.1rem 1.16rem, transparent 1.16rem 2.2rem);
  mask-image: radial-gradient(ellipse at center, #000 0 44%, transparent 68%);
}

.audio-wave::after {
  transform: translateY(2rem) scaleX(0.86);
  opacity: 0.6;
}

.audio-wave-one {
  top: 3.2rem;
  right: -1.8rem;
  transform: rotate(-10deg);
  animation: waveSlide 12s ease-in-out infinite;
}

.audio-wave-two {
  bottom: 2.4rem;
  left: -2.2rem;
  transform: rotate(12deg);
  opacity: 0.2;
  animation: waveSlide 14s ease-in-out infinite reverse;
}

@keyframes portraitDrift {
  0%, 100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-4px);
  }
}

@keyframes waveSlide {
  0%, 100% {
    translate: 0 0;
  }

  50% {
    translate: 10px 3px;
  }
}

/* Sections */
.section-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1rem;
}

.section-heading h2 {
  font-size: var(--step-2);
}

.section-text {
  color: var(--muted);
  font-size: var(--step-0);
  line-height: 1.75;
  max-width: 40rem;
}

.current-focus {
  margin-top: 2.5rem;
  padding: 1.4rem 0 0;
  border-top: 1px solid var(--line);
  background: transparent;
  border-radius: 0;
}

.focus-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 1rem;
}

.focus-card {
  min-height: 100%;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
}

.focus-card h3 {
  margin-bottom: 0.55rem;
  font-size: var(--step-1);
}

.focus-card p {
  margin-bottom: 0;
  font-size: var(--step--1);
  line-height: 1.65;
}

.certification-item {
  display: grid;
  grid-template-columns: minmax(14rem, 0.72fr) minmax(0, 1fr);
  gap: clamp(1.25rem, 4vw, 2.5rem);
  align-items: center;
  margin-top: 1.5rem;
  padding: clamp(1.1rem, 3vw, 1.5rem) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.certification-visual {
  position: relative;
  aspect-ratio: 1.28;
  min-height: 12rem;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: rgba(244, 240, 234, 0.36);
}

.certification-visual-grid {
  position: absolute;
  inset: 0;
  opacity: 0.42;
  background:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 2.2rem 2.2rem;
}

.certification-visual-grid::before,
.certification-visual-grid::after {
  content: '';
  position: absolute;
  border: 1px solid var(--line-strong);
}

.certification-visual-grid::before {
  width: 6rem;
  height: 3rem;
  right: 1.4rem;
  top: 1.4rem;
  clip-path: polygon(25% 0, 75% 0, 100% 50%, 75% 100%, 25% 100%, 0 50%);
}

.certification-visual-grid::after {
  width: 7.5rem;
  height: 3rem;
  left: 1.1rem;
  bottom: 1.25rem;
  border-radius: 999px 999px 0.45rem 0.45rem;
}

.certification-visual-content {
  position: relative;
  z-index: 1;
  min-height: 100%;
  padding: 1.2rem;
  display: grid;
  align-content: end;
  gap: 0.45rem;
}

.certification-visual-kicker,
.certification-visual-level,
.certification-visual-status,
.certification-status,
.certification-detail {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.certification-visual-kicker {
  align-self: start;
  color: var(--faint);
}

.certification-visual-title {
  max-width: 10ch;
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 3.2rem);
  font-weight: 600;
  line-height: 0.95;
}

.certification-visual-level {
  color: var(--muted);
}

.certification-visual-status {
  width: fit-content;
  margin-top: 0.5rem;
  padding-top: 0.45rem;
  border-top: 1px solid var(--line-strong);
  color: var(--text);
}

.certification-copy {
  max-width: 38rem;
}

.certification-status {
  margin-bottom: 0.75rem;
  color: var(--faint);
}

.certification-copy h3 {
  margin-bottom: 0.35rem;
}

.certification-detail {
  color: var(--faint);
  margin-bottom: 1rem;
}

.certification-link {
  margin-top: 0.4rem;
}

.block {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.project-grid,
.experience-grid,
.skills-grid {
  display: grid;
  gap: 1.2rem;
  margin-top: 1.5rem;
}

.project-card,
.experience-card,
.skills-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(244, 240, 234, 0.44);
  padding: 1.35rem;
  box-shadow: none;
  transition: border-color 180ms ease, background 180ms ease;
}

.project-card:hover,
.experience-card:hover,
.skills-card:hover {
  border-color: var(--line-strong);
  background: rgba(237, 232, 224, 0.5);
}

.project-card h3,
.experience-card h3,
.skills-card h3 {
  margin-bottom: 0.9rem;
}

.project-stack {
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: var(--step--1);
  line-height: 1.5;
  margin-bottom: 0.85rem;
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.2rem;
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.32rem 0.55rem;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--step--1);
}

.meta-empty {
  color: var(--muted);
  background: transparent;
}

.experience-meta {
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: var(--step--1);
  margin-bottom: 1rem;
}

.experience-card-secondary {
  background: rgba(237, 232, 224, 0.36);
  border-color: var(--line);
}

.experience-card-secondary h3 {
  color: var(--text);
}

.experience-card-secondary .experience-meta {
  color: var(--faint);
}

.skills-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.skills-card {
  background: rgba(244, 240, 234, 0.36);
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.1rem;
}

.contact-icon-link {
  display: inline-grid;
  place-items: center;
  width: 3.1rem;
  height: 3.1rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  text-decoration: none;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease;
}

.contact-icon-link svg {
  width: 1.35rem;
  height: 1.35rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.contact-icon-link:hover,
.contact-icon-link:focus-visible {
  background: var(--text);
  border-color: var(--text);
  color: var(--bg);
}

.page-transition-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: #050505;
  pointer-events: none;
  transform: translateX(-100%);
  transition: transform 740ms cubic-bezier(0.76, 0, 0.24, 1);
}

body.is-page-transitioning .page-transition-overlay {
  pointer-events: auto;
  transform: translateX(0);
}

html.is-returning-from-about .page-transition-overlay {
  animation: portfolioReturnReveal 760ms cubic-bezier(0.76, 0, 0.24, 1) 120ms forwards;
  transform: translateX(0);
}

.about-page .page-transition-overlay {
  animation: aboutPageReveal 760ms cubic-bezier(0.76, 0, 0.24, 1) 120ms forwards;
  transform: translateX(0);
}

.about-page.is-return-transitioning .page-transition-overlay {
  animation: none;
  pointer-events: auto;
  transform: translateX(0);
  transition: transform 740ms cubic-bezier(0.76, 0, 0.24, 1);
}

/* Personal about page */
.about-page {
  min-height: 100vh;
  background: #070707;
  color: #F5F2EA;
}

.about-page-shell {
  width: min(68rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(1.25rem, 4vw, 2.5rem) 0 clamp(4rem, 10vw, 8rem);
  display: flex;
  flex-direction: column;
  gap: clamp(4rem, 9vw, 7rem);
}

.about-page-back {
  align-self: flex-start;
  color: #D8D3CA;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.about-page-back:hover,
.about-page-back:focus-visible {
  color: #F5F2EA;
}

.about-page a:focus-visible {
  outline: 2px solid rgba(245, 242, 234, 0.82);
  outline-offset: 0.35rem;
}

.about-page-hero {
  min-height: calc(100vh - 8rem);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(15rem, 0.75fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
}

.about-page-eyebrow {
  margin-bottom: 1.1rem;
  color: #A9A39A;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.18em;
  line-height: 1.4;
  text-transform: uppercase;
}

.about-page h1 {
  margin-bottom: 1.15rem;
  color: #F5F2EA;
  font-size: clamp(3.2rem, 9vw, 7.5rem);
  line-height: 0.9;
  max-width: 8ch;
}

.about-page-copy {
  max-width: 35rem;
  color: #D8D3CA;
  font-size: var(--step-1);
  line-height: 1.65;
}

.about-page-secondary {
  max-width: 31rem;
  margin-top: 1.35rem;
  color: #A9A39A;
  font-size: var(--step-0);
}

.about-page-portrait {
  margin: 0;
  justify-self: end;
  width: min(100%, clamp(14rem, 28vw, 18rem));
}

.about-page-portrait img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 1;
  border-radius: 50%;
  object-fit: cover;
  object-position: 50% 28%;
  border: 1px solid rgba(245, 242, 234, 0.18);
}

.about-section {
  display: grid;
  grid-template-columns: minmax(8rem, 0.28fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 5vw, 4rem);
  padding-top: clamp(2rem, 5vw, 3.5rem);
  border-top: 1px solid rgba(245, 242, 234, 0.16);
}

.about-section-label {
  margin: 0;
  color: #8B867E;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.14em;
  line-height: 1.5;
}

.about-section-body {
  max-width: 43rem;
}

.about-section h2 {
  margin-bottom: 1rem;
  color: #F5F2EA;
  font-size: clamp(2.1rem, 5.4vw, 4.7rem);
  line-height: 0.98;
}

.about-section p {
  max-width: 38rem;
  color: #C7C1B8;
  font-size: var(--step-0);
  line-height: 1.75;
}

.about-section-music .about-section-body {
  max-width: min(100%, 58rem);
}

.about-album-showcase {
  margin-top: clamp(2rem, 5vw, 3.25rem);
  max-width: 100%;
}

.about-album-status {
  min-height: 1.35rem;
  margin: 0 0 0.85rem;
  color: #8B867E;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  line-height: 1.45;
}

.about-album-frame {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.75rem;
  max-width: 100%;
}

.about-album-viewport {
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: 0.2rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.about-album-viewport::-webkit-scrollbar {
  display: none;
}

.about-album-track {
  display: flex;
  align-items: stretch;
  gap: clamp(0.8rem, 2vw, 1.15rem);
  padding: 0.2rem 0 0.4rem;
}

.about-album-card {
  flex: 0 0 clamp(9.2rem, 17vw, 12.5rem);
  min-width: 0;
  color: #F5F2EA;
  text-decoration: none;
  scroll-snap-align: start;
  transition: transform 220ms ease;
}

.about-album-card:hover,
.about-album-card:focus-visible {
  transform: translateY(-4px) scale(1.025);
}

.about-album-card img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border: 1px solid rgba(245, 242, 234, 0.16);
}

.about-album-caption {
  display: grid;
  gap: 0.22rem;
  padding-top: 0.72rem;
}

.about-album-name,
.about-album-artist,
.about-album-track-title {
  display: block;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.about-album-name {
  color: #F5F2EA;
  font-size: var(--step--1);
  font-weight: 600;
  line-height: 1.35;
}

.about-album-artist {
  color: #C7C1B8;
  font-size: clamp(0.74rem, 0.7rem + 0.16vw, 0.84rem);
  line-height: 1.35;
}

.about-album-track-title {
  color: #8B867E;
  font-family: var(--font-mono);
  font-size: clamp(0.64rem, 0.61rem + 0.12vw, 0.72rem);
  line-height: 1.35;
}

.about-album-nav {
  display: inline-grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  padding: 0;
  border: 1px solid rgba(245, 242, 234, 0.42);
  border-radius: 0.28rem;
  background: transparent;
  color: #F5F2EA;
  cursor: pointer;
  font: inherit;
  line-height: 1;
  transition: color 180ms ease, border-color 180ms ease, opacity 180ms ease, transform 180ms ease;
}

.about-album-nav:hover,
.about-album-nav:focus-visible {
  border-color: rgba(245, 242, 234, 0.82);
  transform: translateY(-1px);
}

.about-album-nav:disabled {
  cursor: default;
  opacity: 0.32;
  transform: none;
}

.about-principles-list {
  margin: clamp(1.5rem, 4vw, 2.5rem) 0 0;
  padding: 0;
  list-style: none;
  counter-reset: about-principle;
}

.about-principles-list li {
  counter-increment: about-principle;
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: 1rem;
  margin: 0;
  padding: 1.1rem 0;
  border-top: 1px solid rgba(245, 242, 234, 0.14);
  color: #F5F2EA;
  font-size: var(--step-1);
  line-height: 1.45;
}

.about-principles-list li::before {
  content: counter(about-principle, decimal-leading-zero);
  color: #8B867E;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.14em;
}

.about-page-closing {
  max-width: 36rem;
  margin: 0 0 0 auto;
  padding-top: clamp(2rem, 5vw, 3.5rem);
  border-top: 1px solid rgba(245, 242, 234, 0.16);
  color: #D8D3CA;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4vw, 3.2rem);
  line-height: 1.08;
}

@media (max-width: 760px) {
  .about-page-shell {
    width: min(100% - 2rem, 42rem);
    gap: clamp(3rem, 12vw, 5rem);
  }

  .about-page-hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: clamp(2.5rem, 12vw, 5rem);
  }

  .about-page-portrait {
    justify-self: start;
    order: -1;
    width: clamp(12rem, 58vw, 16rem);
  }

  .about-page h1 {
    font-size: clamp(3rem, 18vw, 5.4rem);
  }

  .about-section {
    grid-template-columns: 1fr;
    gap: 0.9rem;
  }

  .about-section h2 {
    font-size: clamp(2rem, 12vw, 3.4rem);
  }

  .about-album-frame {
    grid-template-columns: 2.2rem minmax(0, 1fr) 2.2rem;
    gap: 0.5rem;
  }

  .about-album-card {
    flex-basis: clamp(8.25rem, 42vw, 10rem);
  }

  .about-album-nav {
    width: 2.2rem;
    height: 2.2rem;
  }

  .about-principles-list li {
    grid-template-columns: 3rem minmax(0, 1fr);
    gap: 0.8rem;
  }

  .about-page-closing {
    margin-left: 0;
  }
}

@keyframes aboutPageReveal {
  to {
    transform: translateX(100%);
  }
}

@keyframes portfolioReturnReveal {
  to {
    transform: translateX(-100%);
  }
}

@media (max-width: 900px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-header .nav-links {
    justify-content: flex-start;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    gap: 2rem;
    padding: 2.5rem 1.2rem 2rem;
  }

  .hero-content {
    max-width: none;
  }

  .intro-name {
    max-width: 13ch;
  }

  .hero-visual {
    min-height: 19rem;
    order: -1;
  }

  .portrait-ring {
    width: clamp(12rem, 50vw, 16.5rem);
  }

  .portrait-invitation {
    width: min(14rem, 72vw);
    margin-top: 1rem;
  }

  .audio-wave {
    width: 76%;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .skills-grid,
  .project-grid,
  .experience-grid,
  .focus-list,
  .certification-item {
    grid-template-columns: 1fr;
  }

  .certification-visual {
    max-width: 26rem;
  }
}

@media (max-width: 640px) {
  .page,
  .header-inner {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  .hero {
    border-radius: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .ambient-dust {
    display: none;
  }

  .page-transition-overlay {
    display: none;
  }
}