/* ═══════════════════════════════════════════════════════════
   ABOUT PAGE — Premium, Polished, Alive
   ═══════════════════════════════════════════════════════════ */

.page-about {
  --about-cyan: rgba(var(--color-accent-primary-rgb), 0.35);
  --about-emerald: rgba(var(--color-accent-primary-rgb), 0.25);
  --about-gold: rgba(var(--color-accent-secondary-rgb), 0.4);
  --about-ease: cubic-bezier(0.37, 0, 0.63, 1);
  --about-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --about-ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ─── Page Intro Overlay ─── */
.about-page-intro {
  position: fixed;
  inset: 0;
  z-index: 9998;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 1;
  transition:
    opacity 800ms var(--about-ease-out),
    visibility 0s 800ms;
}

.about-page-intro.is-done {
  opacity: 0;
  visibility: hidden;
}

.about-intro-glow {
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(124, 156, 255, 0.15);
  animation: aboutIntroPulse 1.2s var(--about-ease-out) forwards;
}

@keyframes aboutIntroPulse {
  0% {
    transform: scale(0.5);
    opacity: 0;
  }
  50% {
    transform: scale(1.2);
    opacity: 1;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

.about-intro-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.about-intro-particles::before,
.about-intro-particles::after {
  content: "";
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(124, 156, 255, 0.4);
  animation: aboutIntroParticle 1s var(--about-ease-out) forwards;
}

.about-intro-particles::before {
  top: 40%;
  left: 45%;
}

.about-intro-particles::after {
  top: 55%;
  left: 55%;
  animation-delay: 0.15s;
  background: rgba(79, 209, 197, 0.4);
}

@keyframes aboutIntroParticle {
  0% {
    transform: scale(0);
    opacity: 0;
  }
  50% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(0);
    opacity: 0;
  }
}

/* ─── Ambient Floating Particles ─── */
.about-ambient-particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-particle {
  position: absolute;
  left: var(--ap-x);
  top: var(--ap-y);
  width: var(--ap-s);
  height: var(--ap-s);
  border-radius: 50%;
  background: rgba(124, 156, 255, 0.15);
  box-shadow: 0 0 8px rgba(124, 156, 255, 0.2);
  animation: ambientFloat var(--ap-d) ease-in-out var(--ap-dl) infinite;
}

.ambient-particle:nth-child(2n) {
  background: rgba(79, 209, 197, 0.12);
  box-shadow: 0 0 8px rgba(79, 209, 197, 0.15);
}

.ambient-particle:nth-child(3n) {
  background: rgba(240, 184, 110, 0.1);
  box-shadow: 0 0 8px rgba(240, 184, 110, 0.12);
}

.ambient-particle:nth-child(4n) {
  background: rgba(167, 139, 250, 0.1);
  box-shadow: 0 0 8px rgba(167, 139, 250, 0.12);
}

@keyframes ambientFloat {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
    opacity: 0.6;
  }
  25% {
    transform: translate(15px, -20px) scale(1.2);
    opacity: 1;
  }
  50% {
    transform: translate(-10px, -35px) scale(0.9);
    opacity: 0.4;
  }
  75% {
    transform: translate(20px, -15px) scale(1.1);
    opacity: 0.8;
  }
}

/* ─── Shared Decor ─── */
.about-visual-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: visible;
}

.about-sketch {
  position: absolute;
  overflow: visible;
  --prox-x: 0px;
  --prox-y: 0px;
  --prox-o: 0.14;
  transform: translate(var(--prox-x), var(--prox-y));
  opacity: var(--prox-o);
  transition: opacity 800ms var(--about-ease);
}

.about-sketch.is-drawn {
  opacity: var(--prox-o, 0.22);
}

.about-sketch path,
.about-sketch line,
.about-sketch circle,
.about-sketch polyline {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.about-sketch.is-drawn.about-sketch--arrow,
.about-sketch.is-drawn.about-sketch--arrow-hero,
.about-sketch.is-drawn.about-sketch--roadmap-arrow {
  animation: aboutArrowIdle 7s var(--about-ease) infinite;
}

@keyframes aboutArrowIdle {
  0%,
  100% {
    transform: translate(var(--prox-x), var(--prox-y));
  }
  50% {
    transform: translate(calc(var(--prox-x) + 2px), calc(var(--prox-y) - 3px));
  }
}

.about-sketch[data-about-twinkle].is-drawn {
  animation: aboutStarTwinkle var(--twinkle-duration, 14s) var(--about-ease)
    var(--twinkle-delay, 2s) infinite;
}

@keyframes aboutStarTwinkle {
  0%,
  88%,
  100% {
    filter: brightness(1);
  }
  94% {
    filter: brightness(1.55);
  }
}

/* Margin notes */
.about-annotation,
.about-margin-note {
  position: absolute;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(0.7rem, 1.3vw, 0.86rem);
  letter-spacing: 0.015em;
  white-space: nowrap;
  clip-path: inset(0 100% 0 0);
  transition: clip-path 1.1s var(--about-ease);
}

.about-margin-note {
  color: rgba(var(--color-accent-primary-rgb), 0.3);
}

.about-annotation {
  color: rgba(var(--color-accent-secondary-rgb), 0.34);
}

.is-chapter-visible .about-annotation,
.is-chapter-visible .about-margin-note,
[data-about-unfold-item].is-unfolded.about-margin-note--inline {
  clip-path: inset(0 0 0 0);
}

/* Staggered unfold */
[data-about-unfold-item] {
  opacity: 0;
  transform: translateY(7px);
  transition:
    opacity 900ms var(--about-ease),
    transform 900ms var(--about-ease);
}

[data-about-unfold-item].is-unfolded {
  opacity: 1;
  transform: translateY(0);
}

/* ─── HERO ─── */
.page-about .about-story-hero {
  isolation: isolate;
  padding-top: clamp(80px, 12vw, 140px);
  padding-bottom: clamp(80px, 10vw, 120px);
  overflow: hidden;
}

.page-about .about-story-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      900px circle at 20% 25%,
      rgba(123, 134, 232, 0.14),
      transparent 60%
    ),
    radial-gradient(
      700px circle at 80% 30%,
      rgba(209, 178, 115, 0.1),
      transparent 55%
    ),
    linear-gradient(180deg, #0a0d12 0%, #070a0f 100%);
  z-index: -2;
}

.about-hero-constellation {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.6;
  pointer-events: none;
}

.about-hero-constellation svg {
  width: 100%;
  height: 100%;
}

.page-about .about-story-hero .container {
  z-index: 1;
  position: relative;
}

.about-story-content {
  position: relative;
}

.about-margin-note--hero {
  top: -0.25rem;
  right: 0;
  transform: rotate(5deg);
}

.about-story-hero.is-chapter-visible .about-margin-note--hero {
  transition-delay: 420ms;
}

.about-margin-note--story {
  bottom: 0.5rem;
  right: -0.5rem;
  transform: rotate(-6deg);
  color: rgba(var(--color-accent-secondary-rgb), 0.28);
}

.about-story-hero.is-chapter-visible .about-margin-note--story {
  transition-delay: 820ms;
}

.about-annotation--hero {
  top: 13%;
  right: 5%;
  transform: rotate(-7deg);
  transition-delay: 520ms;
}

.about-sketch--arrow-hero {
  top: 37%;
  right: 26%;
  width: 52px;
  height: 28px;
}

.about-sketch--star-hero {
  top: 21%;
  left: 3%;
  width: 18px;
  height: 18px;
}

.about-sketch--cross-hero {
  bottom: 17%;
  left: 40%;
  width: 14px;
  height: 14px;
}

.about-sketch--blob-hero {
  top: 8%;
  left: 15%;
  width: 60px;
  height: 60px;
  animation: aboutBlobRotate 20s linear infinite;
}

@keyframes aboutBlobRotate {
  from {
    transform: translate(var(--prox-x), var(--prox-y)) rotate(0deg);
  }
  to {
    transform: translate(var(--prox-x), var(--prox-y)) rotate(360deg);
  }
}

.about-sketch--dots-hero {
  bottom: 25%;
  right: 8%;
  width: 40px;
  height: 40px;
  animation: aboutDotsFloat 8s ease-in-out infinite;
}

@keyframes aboutDotsFloat {
  0%,
  100% {
    transform: translate(var(--prox-x), var(--prox-y)) translateY(0);
  }
  50% {
    transform: translate(var(--prox-x), var(--prox-y)) translateY(-6px);
  }
}

/* Hand-drawn underlines — stroke draw */
.about-highlight-word {
  position: relative;
  display: inline-block;
}

.about-word-underline {
  position: absolute;
  left: -3%;
  bottom: -0.12em;
  width: 106%;
  height: 0.55em;
  overflow: visible;
  pointer-events: none;
}

.about-word-underline .about-draw-path {
  stroke: rgba(var(--color-accent-secondary-rgb), 0.55);
  stroke-width: 1.4;
}

.about-eyebrow-line {
  display: inline-block;
  width: 30px;
  height: 10px;
  margin-left: 0.35rem;
  vertical-align: middle;
  overflow: visible;
}

.about-eyebrow-line .about-draw-path {
  stroke: rgba(var(--color-success-rgb), 0.45);
  stroke-width: 1;
}

.page-about .about-story-content .eyebrow::after {
  content: none;
}

/* Workspace illustration */
.about-workspace-fig {
  position: absolute;
  right: 2%;
  bottom: -8%;
  width: min(240px, 34vw);
  z-index: 2;
  opacity: 0;
  transform: translateY(10px);
  transition:
    opacity 1.1s var(--about-ease) 720ms,
    transform 1.1s var(--about-ease) 720ms;
}

.about-workspace-fig svg {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 18px 36px rgba(var(--color-black-rgb), 0.22));
}

.about-story-hero.is-chapter-visible .about-workspace-fig {
  opacity: 0.78;
  animation: aboutNotebookBreathe 9s var(--about-ease) 1.8s infinite;
}

@keyframes aboutNotebookBreathe {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-4px);
  }
}

.about-portrait {
  animation: aboutNotebookBreathe 11s var(--about-ease) 1s infinite;
}

.about-portrait-frame::before {
  content: "";
  position: absolute;
  top: 8%;
  left: -6px;
  width: 42px;
  height: 16px;
  background: rgba(var(--color-accent-secondary-rgb), 0.11);
  border: 1px solid rgba(var(--color-accent-secondary-rgb), 0.16);
  transform: rotate(-8deg);
  z-index: 2;
  clip-path: inset(0 100% 0 0);
  transition: clip-path 900ms var(--about-ease) 900ms;
}

.about-story-hero.is-chapter-visible .about-portrait-frame::before {
  clip-path: inset(0 0 0 0);
}

.page-about .portrait-accent {
  border-color: rgba(var(--color-accent-primary-rgb), 0.16);
}

/* ─── ACHIEVEMENTS ─── */
.page-about .about-achievements {
  overflow: visible;
  position: relative;
}

.about-sticky-label {
  position: absolute;
  top: 5%;
  left: 4%;
  padding: 0.42rem 0.62rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.76rem;
  color: rgba(var(--color-accent-secondary-rgb), 0.52);
  background: rgba(var(--color-accent-secondary-rgb), 0.05);
  border: 1px solid rgba(var(--color-accent-secondary-rgb), 0.12);
  transform: rotate(-5deg);
  clip-path: inset(0 100% 0 0);
  pointer-events: auto;
  transition:
    clip-path 1s var(--about-ease) 340ms,
    transform 500ms var(--about-ease);
  animation: aboutNotebookBreathe 10s var(--about-ease) 2s infinite;
}

.about-achievements.is-chapter-visible .about-sticky-label {
  clip-path: inset(0 0 0 0);
}

.about-sticky-label:hover {
  transform: rotate(-2deg);
}

.about-margin-note--achievements {
  top: 7%;
  right: 4%;
  transform: rotate(6deg);
  color: rgba(var(--color-accent-primary-rgb), 0.28);
  transition-delay: 480ms;
}

.about-sketch--achievements-star {
  top: 7%;
  right: 6%;
  width: 16px;
  height: 16px;
}

.about-sketch--achievements-scribble {
  bottom: 12%;
  left: 3%;
  width: 80px;
  height: 30px;
  animation: aboutScribbleFloat 10s ease-in-out infinite;
}

@keyframes aboutScribbleFloat {
  0%,
  100% {
    transform: translate(var(--prox-x), var(--prox-y)) translateX(0);
  }
  50% {
    transform: translate(var(--prox-x), var(--prox-y)) translateX(5px);
  }
}

.about-sketch--achievements-blob {
  top: 15%;
  right: 10%;
  width: 50px;
  height: 50px;
  animation: aboutBlobPulse 12s ease-in-out infinite;
}

@keyframes aboutBlobPulse {
  0%,
  100% {
    transform: translate(var(--prox-x), var(--prox-y)) scale(1);
  }
  50% {
    transform: translate(var(--prox-x), var(--prox-y)) scale(1.08);
  }
}

.page-about .achievement-card {
  transition:
    transform 480ms var(--about-ease),
    box-shadow var(--transition),
    border-color var(--transition);
}

.page-about .achievement-card:hover {
  transform: rotate(-0.4deg) translateY(-2px);
}

/* Achievement card enhanced hover */
.achievement-card {
  overflow: hidden;
  position: relative;
}

.achievement-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(124, 156, 255, 0.03) 0%,
    transparent 50%
  );
  opacity: 0;
  transition: opacity 400ms var(--about-ease);
  pointer-events: none;
  z-index: 1;
}

.achievement-card:hover::before {
  opacity: 1;
}

.achievement-image {
  width: 100%;
  height: 160px;
  overflow: hidden;
  border-radius: 14px;
  margin-bottom: 12px;
  position: relative;
}

.achievement-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 60%,
    rgba(6, 8, 15, 0.4) 100%
  );
  pointer-events: none;
}

.achievement-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 0.5s ease;
}

.achievement-card:hover .achievement-image img {
  transform: scale(1.08);
}

/* Achievement type badge glow on hover */
.achievement-type {
  transition:
    color 300ms var(--about-ease),
    background 300ms var(--about-ease);
}

.achievement-card:hover .achievement-type {
  color: var(--accent-alt);
}

/* ─── EDUCATION ─── */
.about-education {
  position: relative;
  overflow: visible;
}

.about-annotation--edu {
  bottom: 9%;
  left: 5%;
  transform: rotate(-4deg);
  color: rgba(var(--color-success-rgb), 0.3);
  transition-delay: 420ms;
}

.about-margin-note--edu {
  top: 12%;
  right: 3%;
  transform: rotate(5deg);
  color: rgba(var(--color-accent-secondary-rgb), 0.28);
  transition-delay: 280ms;
}

.about-sketch--edu-cross {
  top: 13%;
  right: 7%;
  width: 18px;
  height: 18px;
}

.about-sketch--edu-blob {
  bottom: 10%;
  left: 8%;
  width: 70px;
  height: 70px;
  animation: aboutBlobRotate 25s linear infinite reverse;
}

.about-sketch--edu-dots {
  top: 20%;
  left: 12%;
  width: 50px;
  height: 50px;
  animation: aboutDotsFloat 9s ease-in-out infinite;
  animation-delay: 1s;
}

.page-about .education-card-v2 {
  box-shadow:
    var(--shadow-sm),
    inset 0 1px 0 rgba(var(--color-white-rgb), 0.04);
  position: relative;
  overflow: hidden;
  transition:
    transform 500ms var(--about-ease),
    box-shadow 500ms var(--about-ease),
    border-color 400ms var(--about-ease);
}

.page-about .education-card-v2:hover {
  transform: translateY(-6px);
  box-shadow:
    0 20px 50px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(var(--color-white-rgb), 0.06);
}

.edu-card-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle at 50% 50%,
    rgba(124, 156, 255, 0.06),
    transparent 60%
  );
  opacity: 0;
  transition: opacity 500ms var(--about-ease);
  pointer-events: none;
}

.page-about .education-card-v2:hover .edu-card-glow {
  opacity: 1;
}

[data-about-unfold-item].education-card-v2 {
  transition-delay: calc(540ms + var(--card-i, 0) * 140ms) !important;
}

/* Education score counter animation */
.education-score {
  position: relative;
  display: inline-block;
}

.education-score::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg var(--accent-alt));
  border-radius: 1px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 600ms var(--about-ease-out) 200ms;
}

.education-card-v2.is-unfolded .education-score::after {
  transform: scaleX(1);
}

/* ─── PHILOSOPHY ─── */
.page-about .about-philosophy {
  overflow: visible;
  padding-bottom: 32px;
  position: relative;
}

.page-about .philosophy-quote {
  position: relative;
  padding-top: 0.65rem;
}

.about-quote-line {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(300px, 68%);
  height: 8px;
  overflow: visible;
}

.about-quote-line .about-draw-path {
  stroke: rgba(var(--color-accent-secondary-rgb), 0.38);
  stroke-width: 1;
}

.about-margin-note--philosophy {
  bottom: 18%;
  left: 8%;
  transform: rotate(-5deg);
  color: rgba(var(--color-accent-secondary-rgb), 0.26);
  transition-delay: 600ms;
}

.page-about .philosophy-quote p {
  color: rgba(238, 242, 248, 0.76);
  transition: color 400ms var(--about-ease);
}

.page-about .philosophy-quote:hover p {
  color: rgba(238, 242, 248, 0.9);
}

.about-sketch--philosophy-star {
  bottom: 19%;
  left: 11%;
  width: 14px;
  height: 14px;
}

.about-sketch--philosophy-blob {
  top: 10%;
  right: 15%;
  width: 80px;
  height: 80px;
  animation: aboutBlobRotate 30s linear infinite;
}

.about-sketch--philosophy-code {
  bottom: 15%;
  right: 10%;
  width: 50px;
  height: 30px;
  animation: aboutCodeFloat 7s ease-in-out infinite;
}

@keyframes aboutCodeFloat {
  0%,
  100% {
    transform: translate(var(--prox-x), var(--prox-y)) translateY(0);
  }
  50% {
    transform: translate(var(--prox-x), var(--prox-y)) translateY(-4px);
  }
}

/* ─── Magnetic Buttons ─── */
.magnetic-btn {
  position: relative;
  transition: transform 200ms var(--about-ease-out);
}

/* ─── Section Separators ─── */
.about-achievements,
.about-education,
.about-philosophy {
  position: relative;
}

.about-achievements::before,
.about-education::before,
.about-philosophy::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.015);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  pointer-events: none;
}

/* ─── Achievement Tier Styling ─── */
.achievement-card[data-tier="1"] {
  border: 1px solid rgba(var(--color-accent-primary-rgb), 0.25);
  box-shadow: 0 12px 40px rgba(123, 134, 232, 0.08);
}

.achievement-card[data-tier="3"] {
  opacity: 0.85;
  transform: scale(0.98);
}

.achievement-card[data-tier="3"]:hover {
  opacity: 1;
  transform: scale(1) rotate(-0.4deg) translateY(-2px);
}

/* ─── Lightbox ─── */
.img-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.img-lightbox.active {
  opacity: 1;
  pointer-events: all;
}

.img-lightbox img {
  max-width: 88%;
  max-height: 88%;
  border-radius: 14px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
  transform: scale(0.96);
  transition: transform 0.25s ease;
}

.img-lightbox.active img {
  transform: scale(1);
}

.img-lightbox-close {
  position: absolute;
  top: 24px;
  right: 30px;
  font-size: 2rem;
  color: white;
  background: transparent;
  border: none;
  cursor: pointer;
  opacity: 0.7;
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.img-lightbox-close:hover {
  opacity: 1;
  transform: scale(1.1);
}

/* ─── Responsive ─── */
@media (max-width: 992px) {
  .about-workspace-fig {
    right: -2%;
    bottom: -4%;
    width: min(200px, 40vw);
  }

  .about-annotation--hero,
  .about-sketch--arrow-hero,
  .about-margin-note--story {
    display: none;
  }

  .about-hero-constellation {
    opacity: 0.3;
  }
}

@media (max-width: 768px) {
  .about-workspace-fig,
  .about-sticky-label,
  .about-annotation,
  .about-margin-note,
  .about-sketch--cross-hero,
  .about-sketch--edu-cross,
  .about-sketch--philosophy-star,
  .about-sketch--blob-hero,
  .about-sketch--dots-hero,
  .about-sketch--achievements-scribble,
  .about-sketch--achievements-blob,
  .about-sketch--edu-blob,
  .about-sketch--edu-dots,
  .about-sketch--philosophy-blob,
  .about-sketch--philosophy-code {
    display: none;
  }

  .about-portrait-frame::before {
    display: none;
  }

  [data-about-unfold-item] {
    opacity: 1;
    transform: none;
  }

  .about-chapter-note-text {
    clip-path: none;
  }

  .about-plane-stage {
    opacity: 0.45;
  }

  .about-chapter-continue {
    opacity: 1;
    transform: none;
  }

  .about-ambient-particles {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .about-workspace-fig,
  .about-portrait,
  .about-sticky-label,
  .about-sketch.is-drawn,
  .ambient-particle,
  .about-sketch--blob-hero,
  .about-sketch--dots-hero,
  .about-sketch--achievements-scribble,
  .about-sketch--achievements-blob,
  .about-sketch--edu-blob,
  .about-sketch--edu-dots,
  .about-sketch--philosophy-blob,
  .about-sketch--philosophy-code {
    animation: none !important;
  }

  .about-page-intro {
    display: none;
  }

  [data-about-unfold-item],
  .about-annotation,
  .about-margin-note,
  .about-sticky-label,
  .about-portrait-frame::before {
    opacity: 1;
    transform: none;
    clip-path: none;
    transition: none;
  }

  .about-sketch {
    opacity: 0.25;
  }

  .about-chapter-note-text {
    clip-path: none;
    animation: none;
  }

  .about-plane-stage {
    opacity: 0.4;
  }

  .about-chapter-end.is-plane-flying .about-plane-svg,
  .about-chapter-end.is-plane-flying .about-plane-trail-path {
    animation: none;
  }

  .about-chapter-continue {
    opacity: 1;
    transform: none;
  }

  .ambient-particle {
    display: none;
  }
}

/* ─── Achievement Card Base ─── */
.page-about .achievement-card,
.page-about .education-card-v2 {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition:
    transform 0.4s,
    opacity 0.4s,
    border-color 0.4s;
}

.page-about .achievement-card:hover,
.page-about .education-card-v2:hover {
  transform: translateY(-4px);
  border-color: rgba(var(--color-accent-primary-rgb), 0.18);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

/* ─── Enhanced Hero Title Animation ─── */
.about-story-title {
  opacity: 0;
  transform: translateY(12px);
  transition:
    opacity 800ms var(--about-ease-out) 200ms,
    transform 800ms var(--about-ease-out) 200ms;
}

.about-story-hero.is-chapter-visible .about-story-title {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Smooth Section Spacing ─── */
.page-about .about-story-hero {
  margin-bottom: 0;
}

.page-about .about-achievements {
  padding-top: clamp(80px, 10vw, 120px);
  padding-bottom: clamp(80px, 10vw, 120px);
}

.page-about .about-education {
  padding-top: clamp(80px, 10vw, 120px);
  padding-bottom: clamp(80px, 10vw, 120px);
}

.page-about .about-philosophy {
  padding-top: clamp(64px, 8vw, 96px);
  padding-bottom: clamp(80px, 10vw, 120px);
}

/* ─── Achievement Navigation Enhancement ─── */
.achievements-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  margin-top: 2.5rem;
}

.achievement-dots {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.achievement-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.08);
  cursor: pointer;
  transition: all 300ms var(--about-ease);
}

.achievement-dot.is-active {
  background: rgba(124, 156, 255, 0.5);
  border-color: rgba(124, 156, 255, 0.3);
  transform: scale(1.2);
}

.achievement-dot:hover {
  background: rgba(124, 156, 255, 0.3);
}

/* ─── Portrait Frame Enhancement ─── */
.about-portrait-frame {
  position: relative;
}

.about-portrait-frame .founder-photo {
  position: relative;
  z-index: 1;
}

.portrait-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
  justify-content: center;
}

.portrait-tags .badge-soft {
  transition: all 300ms var(--about-ease);
}

.portrait-tags .badge-soft:hover {
  border-color: rgba(var(--color-accent-primary-rgb), 0.3);
  background: rgba(var(--color-accent-primary-rgb), 0.06);
}

/* ─── Story Content Enhancement ─── */
.about-story-lede {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.about-story-content p {
  color: rgba(var(--color-text-secondary-rgb), 0.85);
  line-height: 1.75;
}

/* ─── Education Split Enhancement ─── */
.education-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.education-split-copy {
  position: sticky;
  top: 120px;
}

.education-cards {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.education-card-v2 {
  padding: 2rem;
  border-radius: var(--radius-lg);
}

.education-card-v2 h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.education-card-v2 p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.education-score {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--accent-alt);;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}

/* ─── Philosophy Quote Enhancement ─── */
.philosophy-quote {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.philosophy-quote p {
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.4;
  font-style: italic;
  letter-spacing: -0.01em;
}

/* ─── Responsive Education ─── */
@media (max-width: 768px) {
  .education-split {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .education-split-copy {
    position: static;
  }

  .education-card-v2 {
    padding: 1.5rem;
  }

  .education-score {
    font-size: 2rem;
  }
}

/* ─── Achievement Card Content ─── */
.achievement-content {
  padding: 0.5rem 0.25rem;
}

.achievement-content h3 {
  font-size: 1rem;
  margin: 0.5rem 0 0.5rem;
  line-height: 1.3;
}

.achievement-content p {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.achievement-content time {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.achievement-type {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: rgba(var(--color-accent-primary-rgb), 0.08);
  color: var(--accent);
  border: 1px solid rgba(var(--color-accent-primary-rgb), 0.15);
  margin-bottom: 0.5rem;
}

/* ─── Section Header Enhancement ─── */
.section-header {
  margin-bottom: 3rem;
}

.section-header .section-label {
  margin-bottom: 0.75rem;
}

/* ─── Achievement Carousel Viewport ─── */
.achievements-viewport {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.achievements-track {
  display: flex;
  gap: 1.25rem;
  transition: transform 500ms var(--about-ease-out);
}

.achievement-card {
  flex: 0 0 calc(33.333% - 0.85rem);
  min-width: 280px;
  padding: 1.25rem;
  border-radius: var(--radius-lg);
}

@media (max-width: 992px) {
  .achievement-card {
    flex: 0 0 calc(50% - 0.625rem);
  }
}

@media (max-width: 576px) {
  .achievement-card {
    flex: 0 0 100%;
    min-width: 260px;
  }
}