/* ============================================
   LUCAS MENDES — PORTFOLIO v2
   Editorial Index Concept
   ============================================ */

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Color — Dark + Electric Blue accent */
  --color-bg:              #0a0a0c;
  --color-bg-alt:          #111114;
  --color-bg-raised:       #18181c;
  --color-surface:         #1e1e24;
  --color-text:            #ededef;
  --color-text-secondary:  #a8a8b4;
  --color-text-muted:      #9494a0;
  --color-accent:          #4d7cff;
  --color-accent-hover:    #6b94ff;
  --color-accent-glow:     rgba(77, 124, 255, 0.25);
  --color-accent-subtle:   rgba(77, 124, 255, 0.07);
  --color-border:          #2a2a32;
  --color-border-subtle:   #1c1c22;
  --color-decorative:      #75758c;

  /* Typography */
  --font-display: 'Instrument Serif', serif;
  --font-body: 'Figtree', sans-serif;

  --text-xs:    clamp(0.7rem, 0.65rem + 0.2vw, 0.8rem);
  --text-sm:    clamp(0.8rem, 0.75rem + 0.2vw, 0.875rem);
  --text-base:  clamp(0.9rem, 0.85rem + 0.3vw, 1.05rem);
  --text-lg:    clamp(1.05rem, 0.9rem + 0.6vw, 1.3rem);
  --text-xl:    clamp(1.3rem, 1rem + 1.2vw, 1.8rem);
  --text-2xl:   clamp(1.6rem, 1rem + 2.5vw, 2.8rem);
  --text-3xl:   clamp(2rem, 1rem + 4vw, 4rem);
  --text-index: clamp(2.8rem, 1rem + 6.5vw, 7rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Motion */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --duration-fast: 200ms;
  --duration-normal: 400ms;
  --duration-slow: 700ms;

  /* Layout */
  --max-width: 1400px;
  --gutter: clamp(1.5rem, 4vw, 4rem);
}

/* Light mode overrides */
[data-theme="light"] {
  --color-bg:              #f5f5f0;
  --color-bg-alt:          #eaeae5;
  --color-bg-raised:       #e0e0db;
  --color-surface:         #d8d8d3;
  --color-text:            #111114;
  --color-text-secondary:  #4a4a52;
  --color-text-muted:      #6a6a74;
  --color-accent:          #3560d4;
  --color-accent-hover:    #2a4fb8;
  --color-accent-glow:     rgba(53, 96, 212, 0.2);
  --color-accent-subtle:   rgba(53, 96, 212, 0.06);
  --color-border:          #d0d0ca;
  --color-border-subtle:   #dcdcd6;
  --color-decorative:      #8a8a96;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
  cursor: default;
}

/* Noise texture */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.03;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
}

::selection {
  background: var(--color-accent);
  color: var(--color-bg);
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* ============================================
   HERO CANVAS — Abstract interactive element
   ============================================ */

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

.opening {
  position: relative;
}

/* ============================================
   PAGE TRANSITION
   ============================================ */

.page-transition {
  position: fixed;
  inset: 0;
  z-index: 10001;
  background: var(--color-bg);
  transform-origin: bottom;
  pointer-events: none;
}

.page-transition.entering {
  animation: curtain-up 0.8s var(--ease-out-expo) forwards;
}

@keyframes curtain-up {
  0% { transform: scaleY(1); }
  100% { transform: scaleY(0); transform-origin: top; }
}

/* ============================================
   LAYOUT
   ============================================ */

.container {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ============================================
   HEADER
   ============================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding-block: var(--space-6);
  mix-blend-mode: difference;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--color-text);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}

.nav-link {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-secondary);
  letter-spacing: 0.04em;
  position: relative;
  padding-block: var(--space-1);
  transition: color var(--duration-fast) ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-text);
  transition: width var(--duration-normal) var(--ease-out-expo);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Theme toggle */
.theme-toggle {
  background: none;
  border: 1px solid currentColor;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  cursor: pointer;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: color var(--duration-fast) ease, border-color var(--duration-fast) ease;
  flex-shrink: 0;
  order: -1;
}

.theme-toggle:hover {
  color: var(--color-text);
}

.theme-toggle svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

.theme-toggle .icon-moon,
[data-theme="light"] .theme-toggle .icon-sun {
  display: none;
}

[data-theme="light"] .theme-toggle .icon-moon {
  display: block;
}

[data-theme="light"] .site-header {
  mix-blend-mode: normal;
}

/* Smooth theme transition */
html[data-theme] body,
html[data-theme] .site-header,
html[data-theme] .page-transition {
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* CTA */
.btn-cta {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: 0.02em;
  padding: var(--space-2) 0;
  position: relative;
  transition: color var(--duration-fast) ease;
}

.btn-cta::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--duration-normal) var(--ease-out-expo);
}

.btn-cta:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Canvas tooltip */
.canvas-tooltip {
  position: absolute;
  pointer-events: none;
  z-index: 10;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-family: var(--font-body, 'Figtree', sans-serif);
  font-size: 12px;
  letter-spacing: 0.02em;
  line-height: 1.45;
  color: var(--color-text);
  background: var(--color-bg-raised);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 10px 14px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  max-width: 300px;
  white-space: normal;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}


/* ============================================
   HOMEPAGE — OPENING
   ============================================ */

.opening {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-block-end: var(--space-16);
  position: relative;
}

.opening-content {
  border-bottom: 1px solid var(--color-border);
  padding-block-end: var(--space-8);
}

.opening-left {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.opening-role {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-text-muted);
  opacity: 0;
  transform: translateY(8px);
}

.opening-headline {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--color-text);
  max-width: 20ch;
}

.opening-headline em {
  color: var(--color-accent);
  font-style: italic;
}

.opening-headline .word,
.about-bio-opener .word {
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
}

.opening-headline .word-inner,
.about-bio-opener .word-inner {
  display: inline-block;
  transform: translateY(110%);
}

/* ============================================
   PROJECT INDEX
   ============================================ */

.project-index {
  padding-block: var(--space-32) var(--space-32);
}

.index-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-block-end: var(--space-4);
  padding-block: var(--space-4);
}

.index-label {
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-text-muted);
}

.index-count {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* Individual project row */
.project-row {
  display: block;
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-8) var(--space-6);
  position: relative;
  text-decoration: none;
}

.project-row:last-child {
  border-bottom: 1px solid var(--color-border);
}

.project-row-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  position: relative;
}

/* Title */
.project-name {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--color-text);
  transition: color var(--duration-fast) ease;
}

.project-row:hover .project-name {
  color: var(--color-accent);
}

/* Meta: tags + arrow on a row below the title */
.project-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-block-start: var(--space-3);
}

.project-tags {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.project-tag {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  transition: color var(--duration-fast) ease;
}

.project-row:hover .project-tag {
  color: var(--color-text-secondary);
}

.project-tag + .project-tag::before {
  content: '·';
  margin-inline-end: var(--space-3);
}

.project-row-arrow {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translate(-8px, -50%);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  opacity: 0;
  transition: all var(--duration-normal) var(--ease-out-expo);
}

.project-row-arrow svg {
  width: 28px;
  height: 28px;
  stroke: var(--color-accent);
  stroke-width: 1.5;
}

.project-row:hover .project-row-arrow {
  opacity: 1;
  transform: translate(0, -50%);
}

.project-row--soon {
  cursor: default;
}

.project-row--soon:hover .project-name {
  color: var(--color-text);
}

.project-row-soon {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.project-row--soon:hover .project-row-soon {
  opacity: 1;
}

/* Hover image preview (follows cursor) */
.project-preview {
  position: fixed;
  width: 340px;
  height: 220px;
  border-radius: 6px;
  overflow: hidden;
  pointer-events: none;
  z-index: 50;
  opacity: 0;
  transform: scale(0.92) translateY(8px);
  transition: opacity 0.25s ease, transform 0.35s var(--ease-out-expo);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-preview.visible {
  opacity: 1;
  transform: scale(1) translateY(0);
}

.project-preview.project-preview--wide {
  width: 440px;
  height: 247px;
}

.project-preview-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: none;
  opacity: 1;
  transition: opacity 1.2s ease;
}

.project-preview-img--next {
  opacity: 0;
}

.project-preview-placeholder {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  opacity: 0.4;
  user-select: none;
  text-align: center;
  padding: var(--space-4);
}

/* ============================================
   CREDENTIALS
   ============================================ */

.credentials {
  padding-block: var(--space-20);
}

.credentials-inner {
  display: grid;
  grid-template-columns: repeat(4, auto);
  justify-content: space-between;
  gap: var(--space-8);
  align-items: start;
  border-top: 1px solid var(--color-border-subtle);
  padding-top: var(--space-20);
}

.credential-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  text-decoration: none;
  color: inherit;
}

.credential-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

.credential-value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  transition: color var(--duration-fast) ease;
}

.credential-item:hover .credential-value {
  color: var(--color-text);
}

.credential-sub {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-decorative);
}

/* ============================================
   EXPERIENCE (About page)
   ============================================ */

.experience {
  padding-block: var(--space-24);
}

.experience-grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-4) var(--space-12);
  margin-block-start: var(--space-12);
}

.exp-item {
  display: contents;
}

.exp-period {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  padding-block-start: 0.5em;
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-6);
}

.exp-content {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-6) var(--space-12);
}

.exp-role {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  margin-block-end: var(--space-1);
}

.exp-company {
  font-size: var(--text-base);
  color: var(--color-accent);
  margin-block-end: var(--space-4);
}

.exp-desc {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 55ch;
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
  padding-block: var(--space-12);
  border-top: 1px solid var(--color-border-subtle);
}

.footer-inner {
  display: flex;
  justify-content: center;
  align-items: center;
}

.footer-links {
  display: flex;
  gap: var(--space-6);
}

.footer-link {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: color var(--duration-fast) ease;
}

.footer-link:hover {
  color: var(--color-accent);
}

/* ============================================
   ABOUT PAGE — BIO
   ============================================ */

.about-bio {
  padding-block: calc(var(--space-32) + var(--space-8)) var(--space-16);
}

.about-bio-inner {
  max-width: 64ch;
}

.about-bio-opener {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin-block-end: var(--space-8);
  max-width: 20ch;
}

.about-bio-opener em {
  color: var(--color-accent);
  font-style: italic;
}

.about-bio-text {
  max-width: 58ch;
}

.about-bio-paragraph {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-block-end: var(--space-6);
}

.about-bio-paragraph:last-child {
  margin-block-end: 0;
}

/* Mentoring intro */
.mentoring-intro {
  font-size: var(--text-xl);
  line-height: 1.5;
  color: var(--color-text-secondary);
  max-width: 48ch;
  padding-block-end: var(--space-12);
}

/* Mentoring */
.mentoring {
  padding-block: var(--space-24);
  border-top: 1px solid var(--color-border-subtle);
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

@media (max-width: 900px) {
  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

.stat {
  padding: var(--space-6);
  border-left: 1px solid var(--color-border);
}

.stat:first-child {
  border-left: none;
}

.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  line-height: 1;
  color: var(--color-text);
  margin-block-end: var(--space-2);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* Hobbies */
.hobbies {
  padding-block: var(--space-24);
  border-top: 1px solid var(--color-border-subtle);
}

.hobbies-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-block-start: var(--space-12);
}

.hobby-block {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color var(--duration-normal) ease;
  display: flex;
  flex-direction: column;
}

.hobby-block:hover {
  border-color: var(--color-accent);
}

.hobby-block-header {
  padding: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  border-bottom: 1px solid var(--color-border-subtle);
}

.hobby-block-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.hobby-block-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
}

.hobby-block-desc {
  padding: var(--space-6);
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.hobby-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--color-border-subtle);
}

.hobby-img {
  aspect-ratio: 4 / 3;
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.hobby-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.vinyl-spinning {
  padding: var(--space-6);
  padding-top: 0;
}

.vinyl-spinning-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  display: block;
  margin-bottom: var(--space-4);
}

.vinyl-spinning-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.vinyl-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.vinyl-cover {
  width: 40px;
  height: 40px;
  border-radius: 3px;
  object-fit: cover;
  flex-shrink: 0;
}

.vinyl-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.vinyl-album {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.3;
}

.vinyl-artist {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.3;
}

.photo-slideshow {
  position: relative;
  width: 100%;
  flex: 1;
  min-height: 200px;
  overflow: hidden;
}

.slideshow-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 2.5s ease;
  transform: scale(1.05);
}

.slideshow-img.active {
  opacity: 1;
  animation: kenburns-1 12s linear forwards;
}

@keyframes kenburns-1 {
  from { transform: scale(1.08) translate(0, 0); }
  to { transform: scale(1.12) translate(-1.5%, -1%); }
}
@keyframes kenburns-2 {
  from { transform: scale(1.1) translate(-1%, 0); }
  to { transform: scale(1.06) translate(1%, -0.5%); }
}
@keyframes kenburns-3 {
  from { transform: scale(1.06) translate(1%, 0.5%); }
  to { transform: scale(1.1) translate(-0.5%, -1%); }
}

.slideshow-img.active:nth-child(3n+1) { animation-name: kenburns-1; }
.slideshow-img.active:nth-child(3n+2) { animation-name: kenburns-2; }
.slideshow-img.active:nth-child(3n+3) { animation-name: kenburns-3; }

@media (prefers-reduced-motion: reduce) {
  .slideshow-img.active {
    animation: none;
    transform: scale(1.05);
  }
}

/* ============================================
   PROJECT DETAIL PAGE
   ============================================ */

.project-detail-hero {
  padding-block: calc(var(--space-32) + var(--space-4)) var(--space-16);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-block-end: var(--space-12);
  transition: color var(--duration-fast) ease;
}

.back-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--duration-fast) var(--ease-out-expo);
}

.back-link:hover {
  color: var(--color-accent);
}

.back-link:hover svg {
  transform: translateX(-4px);
}

.project-detail-header {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--space-16);
  align-items: start;
}

.project-detail-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin-block-end: var(--space-6);
}

.project-detail-desc {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 55ch;
}

.project-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  padding-block-start: var(--space-2);
}

.sidebar-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-block-end: var(--space-6);
  border-bottom: 1px solid var(--color-border-subtle);
}

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

.sidebar-label {
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

.sidebar-value {
  font-size: var(--text-base);
  color: var(--color-text);
}

/* Gallery */
.project-gallery {
  padding-block: var(--space-8);
}

.gallery-grid {
  display: grid;
  gap: var(--space-4);
}

.gallery-full { grid-template-columns: 1fr; }
.gallery-two  { grid-template-columns: 1fr 1fr; }

.gallery-item {
  border-radius: 8px;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--duration-normal) ease;
}

.gallery-item:hover {
  border-color: var(--color-border);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-placeholder {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  text-align: center;
  padding: var(--space-4);
}

/* Project content */
.project-body {
  padding-block: var(--space-16);
  max-width: 720px;
}

.project-body h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  margin-block-end: var(--space-4);
  margin-block-start: var(--space-12);
}

.project-body h2:first-child {
  margin-block-start: 0;
}

.project-body p {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-block-end: var(--space-4);
}

/* Next project link */
.next-project {
  padding-block: var(--space-20);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.next-project-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.next-project-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

.next-project-name {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-text);
  transition: color var(--duration-fast) ease;
}

.next-project a:hover .next-project-name {
  color: var(--color-accent);
}

.next-project-arrow {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-normal) var(--ease-out-expo);
}

.next-project-arrow svg {
  width: 18px;
  height: 18px;
  stroke: var(--color-text-muted);
  transition: stroke var(--duration-fast) ease;
}

.next-project a:hover .next-project-arrow {
  border-color: var(--color-accent);
  background: var(--color-accent-subtle);
}

.next-project a:hover .next-project-arrow svg {
  stroke: var(--color-accent);
}

/* ============================================
   REVEAL SYSTEM
   ============================================ */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease-out-expo),
              transform 0.6s var(--ease-out-expo);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-d1 { transition-delay: 80ms; }
.reveal-d2 { transition-delay: 160ms; }
.reveal-d3 { transition-delay: 240ms; }
.reveal-d4 { transition-delay: 320ms; }

/* ============================================
   MOBILE MENU
   ============================================ */

.menu-toggle {
  display: none;
  width: 32px;
  height: 32px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  z-index: 200;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-text);
  transition: all var(--duration-fast) ease;
  transform-origin: center;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(2.5px, 2.5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(3px, -3px);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 900px) {
  .about-opening-inner {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }



  .experience-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .exp-period {
    border-top: none;
    padding-top: var(--space-4);
    padding-block-start: 0;
  }

  .project-detail-header {
    grid-template-columns: 1fr;
  }

  .gallery-two {
    grid-template-columns: 1fr;
  }

  .stats-row {
    grid-template-columns: 1fr 1fr;
  }

  .stat {
    border-left: none;
    border-top: 1px solid var(--color-border);
    padding-block-start: var(--space-6);
  }

  .stat:nth-child(-n+2) {
    border-top: none;
  }

  .hobbies-layout {
    grid-template-columns: 1fr;
  }

  .credentials-inner {
    gap: var(--space-8);
  }

}

@media (max-width: 680px) {
  .menu-toggle {
    display: flex;
  }

  .header-nav {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 12, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-8);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--duration-normal) ease;
    z-index: 150;
  }

  .header-nav.open {
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links {
    flex-direction: column;
    align-items: center;
    gap: var(--space-6);
  }

  .nav-link {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
  }

  .btn-cta {
    font-size: var(--text-lg);
  }

  .footer-inner {
    justify-content: center;
  }

  .next-project {
    flex-direction: column;
    text-align: center;
    gap: var(--space-6);
  }

  .project-row-arrow {
    display: none;
  }

  .project-name {
    font-size: var(--text-xl);
  }

  .credentials-inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .stats-row {
    grid-template-columns: 1fr;
  }

  .stat {
    border-top: 1px solid var(--color-border);
    padding-block-start: var(--space-6);
  }

  .stat:first-child {
    border-top: none;
  }
}

/* ============================================
   REDUCED MOTION
   ============================================ */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

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

  .opening-role {
    opacity: 1;
    transform: none;
  }

  .opening-headline .word-inner,
  .about-bio-opener .word-inner {
    transform: none;
  }
}