:root {
      --pink: #d2009a;
      --pink-light: #FFB3F0;
      --pink-lightest: #ffd9f7;
      --pink-dim: rgba(255, 0, 204, 0.12);
      --pink-a: #5c0043;
      --pink-border: rgba(255, 0, 204, 0.3);
      --white: #ffffff;
      --off-white: #FFF5FD;
    }

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

    html { scroll-behavior: smooth; }

    body {
      background: var(--white);
      color: var(--pink);
      font-family: 'DM Sans', sans-serif;
      overflow-x: hidden;
    }

    a {
      color: var(--pink-a);
    }

    /* ─── SECTION SHARED ─── */
    section {
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding: 80px 8vw;
      position: relative;
    }

    .section-label {
      font-family: 'Space Mono', monospace;
      font-size: 0.7rem;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      opacity: 0.5;
      margin-bottom: 2rem;
    }

    /* ─── REVEAL ANIMATION ─── */
    .reveal {
      opacity: 0;
      transform: translateY(40px);
      transition: opacity 0.8s ease, transform 0.8s ease;
    }
    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }
    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }

    /* ══════════════════════════════════
       § 1  TITLE
    ══════════════════════════════════ */
    #title {
      min-height: 100vh;
      padding: 0 8vw;
      justify-content: flex-end;
      padding-bottom: 80px;
      border-bottom: 1px solid var(--pink-border);
      overflow: hidden;
      isolation: isolate;
    }

    #ai-image {
      position: absolute;
      top: 10%;
      left: 50%;
      width: min(170vw, 1000px);
      max-width: none;
      height: auto;
      opacity: 0.45;
      z-index: 0;
      pointer-events: none;
      will-change: transform, opacity;
    }

    #title > *:not(#ai-image) {
      position: relative;
      z-index: 2;
    }

    .title-eyebrow {
      font-family: 'Space Mono', monospace;
      font-size: 0.75rem;
      letter-spacing: 0.25em;
      text-transform: uppercase;
      opacity: 0.55;
      margin-bottom: 2rem;
    }

    .title-title {
      font-family: 'Unbounded', sans-serif;
      font-weight: 900;
      font-size: clamp(4rem, 12vw, 11rem);
      line-height: 0.92;
      letter-spacing: -0.02em;
      margin-bottom: 3rem;
    }

    .title-title span {
      display: block;
    }

    .title-title .word-language {
      font-weight: 400;
      font-style: italic;
    }

    .title-subtitle {
      font-family: 'DM Sans', sans-serif;
      font-weight: 300;
      font-style: italic;
      font-size: clamp(1rem, 2vw, 1.4rem);
      opacity: 0.7;
      margin-bottom: 4rem;
      max-width: 1400px;
    }

    .equal-contrib-note {
      font-size: 12px;
      line-height: 1.2;
    }

    .title-quote {
      max-width: 700px;
      border-left: 2px solid var(--pink);
      padding-left: 2rem;
      margin-bottom: 5rem;
    }

    .title-quote p {
      font-size: clamp(1.1rem, 2vw, 1.5rem);
      font-style: italic;
      font-weight: 300;
      line-height: 1.55;
    }

    .title-quote cite {
      display: block;
      font-size: 0.8rem;
      font-family: 'Space Mono', monospace;
      letter-spacing: 0.1em;
      margin-top: 1rem;
      opacity: 0.5;
      font-style: normal;
    }

    .scroll-cue {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      font-family: 'Space Mono', monospace;
      font-size: 0.7rem;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      opacity: 0.4;
      animation: pulse 2.5s ease-in-out infinite;
    }

    .scroll-cue svg {
      width: 20px;
      height: 20px;
      animation: bounce 2.5s ease-in-out infinite;
    }

    @keyframes bounce {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(6px); }
    }

    @keyframes pulse {
      0%, 100% { opacity: 0.4; }
      50% { opacity: 0.7; }
    }

    /* ══════════════════════════════════
       § 2  DATA TRIANGULATION
    ══════════════════════════════════ */
    #methods {
      background: var(--off-white);
      border-bottom: 1px solid var(--pink-border);
    }

    .methods-heading {
      font-family: 'Unbounded', sans-serif;
      font-weight: 700;
      font-size: clamp(1.8rem, 5vw, 4rem);
      margin-bottom: 0.75rem;
    }

    .methods-sub {
      font-size: 1.1rem;
      font-weight: 300;
      opacity: 0.7;
      margin-bottom: 4rem;
    }

    .methods-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2px;
      max-width: 900px;
    }

    .method-card {
      border: 1.5px solid var(--pink);
      padding: 2.5rem 2rem;
      position: relative;
      background: white;
      transition: background 0.3s;
      cursor: default;
    }

    .method-card:hover {
      background: var(--pink-dim);
    }

    .method-n {
      font-family: 'Unbounded', sans-serif;
      font-weight: 900;
      font-size: 4rem;
      line-height: 1;
      margin-bottom: 0.5rem;
      opacity: 0.15;
      position: absolute;
      top: 1rem;
      right: 1.5rem;
    }

    .method-label {
      font-family: 'Space Mono', monospace;
      font-size: 0.65rem;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      opacity: 0.5;
      margin-bottom: 0.75rem;
    }

    .method-title {
      font-family: 'Unbounded', sans-serif;
      font-weight: 700;
      font-size: 1.1rem;
      margin-bottom: 0.75rem;
      line-height: 1.3;
    }

    .method-detail {
      font-size: 0.9rem;
      opacity: 0.65;
      line-height: 1.5;
    }

    /* ══════════════════════════════════
       § 3  RELATIONSHIP TIMELINE
    ══════════════════════════════════ */
    #timeline {
      background: var(--off-white);
      border-bottom: 1px solid var(--pink-border);
      padding-bottom: 100px;
    }

    .timeline-heading {
      font-family: 'Unbounded', sans-serif;
      font-weight: 900;
      font-size: clamp(1.5rem, 4vw, 3.5rem);
      margin-bottom: 4rem;
      letter-spacing: -0.02em;
    }

    .timeline-wrap {
      position: relative;
      width: 100%;
      max-width: 1000px;
    }

    #timeline-svg {
      width: 100%;
      overflow: visible;
    }

    .stage-info {
      margin-top: 3rem;
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
      gap: 1.5rem;
    }

    .stage-card {
      border-top: 2px solid var(--pink);
      padding: 1rem 1rem 0;
      margin: 0 -1rem;
      opacity: 0.45;
      background: transparent;
      transition: opacity 0.3s, background 0.3s;
      cursor: pointer;
    }

    .stage-card.active, .stage-card:hover {
      opacity: 1;
      background: var(--white);
    }

    .stage-card-name {
      font-family: 'Unbounded', sans-serif;
      font-weight: 700;
      font-size: 0.75rem;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      margin-bottom: 0.5rem;
    }

    .stage-card-desc {
      font-size: 0.85rem;
      opacity: 0.7;
      line-height: 1.5;
    }

    /* ══════════════════════════════════
       § 4  AI LOVE LANGUAGE
    ══════════════════════════════════ */
    #language {
      border-bottom: 1px solid var(--pink-border);
    }

    .language-heading {
      font-family: 'Unbounded', sans-serif;
      font-weight: 900;
      font-size: clamp(1.8rem, 5vw, 4.5rem);
      margin-bottom: 0.5rem;
      letter-spacing: -0.02em;
    }

    .language-sub {
      font-size: 0.85rem;
      font-family: 'Space Mono', monospace;
      opacity: 0.45;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      margin-bottom: 4rem;
    }

    .words-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 1.5px;
    }

    .word-entry {
      border: 1.5px solid var(--pink-border);
      padding: 2rem;
      background: white;
      transition: background 0.3s, transform 0.3s;
      cursor: default;
      position: relative;
      overflow: hidden;
    }

    .word-entry::after {
      content: '';
      position: absolute;
      bottom: 0; left: 0; right: 0;
      height: 2px;
      background: var(--pink);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.4s ease;
    }

    .word-entry:hover::after {
      transform: scaleX(1);
    }

    .word-entry:hover {
      background: var(--pink-dim);
    }

    .word-term {
      font-family: 'Unbounded', sans-serif;
      font-weight: 900;
      font-size: 1.3rem;
      margin-bottom: 0.3rem;
    }

    .word-phonetic {
      font-family: 'Space Mono', monospace;
      font-size: 0.7rem;
      opacity: 0.45;
      margin-bottom: 1rem;
      letter-spacing: 0.05em;
    }

    .word-def {
      font-size: 0.9rem;
      line-height: 1.6;
      opacity: 0.7;
      font-style: italic;
    }

    /* ══════════════════════════════════
       § 5  HOW DO YOU SEE YOUR COMPANION?
    ══════════════════════════════════ */
    #companion {
      border-bottom: 1px solid var(--pink-border);
    }

    .companion-heading {
      font-family: 'Unbounded', sans-serif;
      font-weight: 900;
      font-size: clamp(2rem, 5vw, 4rem);
      margin-bottom: 4rem;
      max-width: 800px;
      line-height: 1.1;
      letter-spacing: -0.02em;
    }

    .traits-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 4rem;
      max-width: 1100px;
    }

    @media (max-width: 768px) {
      .traits-layout { grid-template-columns: 1fr; }
      .methods-grid { grid-template-columns: 1fr; }
    }

    .trait-block h3 {
      font-family: 'Space Mono', monospace;
      font-size: 0.7rem;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      opacity: 0.5;
      margin-bottom: 1rem;
    }

    .trait-block h2 {
      font-family: 'Unbounded', sans-serif;
      font-weight: 700;
      font-size: 1.2rem;
      margin-bottom: 1.5rem;
      line-height: 1.3;
    }

    .pseudocode {
      font-family: 'Space Mono', monospace;
      font-size: 0.78rem;
      line-height: 2;
      background: var(--off-white);
      border: 1px solid var(--pink-border);
      padding: 1.5rem 2rem;
      margin-bottom: 2rem;
      border-radius: 2px;
      white-space: pre;
      overflow-x: auto;
    }

    .pseudo-keyword { font-weight: 700; }
    .pseudo-condition { opacity: 0.55; }
    .pseudo-value { font-style: italic; }

    .strategy-cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1rem;
      max-width: 1100px;
      margin-top: 2.5rem;
    }

    @media (max-width: 768px) {
      .strategy-cards { grid-template-columns: 1fr; }
    }

    .strategy-card {
      border: 1.5px solid var(--pink);
      padding: 1.5rem 1.75rem;
      background: white;
      transition: background 0.3s;
    }

    .strategy-card:hover {
      background: var(--pink-dim);
    }

    .strategy-tag {
      display: inline-block;
      background: var(--pink);
      color: white;
      font-family: 'Space Mono', monospace;
      font-size: 0.6rem;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      padding: 0.2rem 0.6rem;
      margin-bottom: 0.75rem;
    }

    .strategy-title {
      font-family: 'Unbounded', sans-serif;
      font-weight: 700;
      font-size: 0.95rem;
      margin-bottom: 0.5rem;
    }

    .strategy-desc {
      font-size: 0.85rem;
      opacity: 0.65;
      line-height: 1.55;
    }

    /* ══════════════════════════════════
       § 6  INFLUENCES
    ══════════════════════════════════ */
    #influences {
      background: var(--off-white);
      border-bottom: 1px solid var(--pink-border);
    }

    .influences-layout {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      text-align: left;
      width: 100%;
    }

    .influences-heading {
      font-family: 'Unbounded', sans-serif;
      font-weight: 900;
      font-size: clamp(2.5rem, 7vw, 6rem);
      letter-spacing: -0.02em;
      margin-bottom: 1.5rem;
    }

    .influences-note {
      font-size: 0.95rem;
      line-height: 1.7;
      opacity: 0.65;
      max-width: 760px;
      margin-bottom: 3.5rem;
    }

    .influences-note strong {
      font-weight: 500;
      font-style: italic;
      opacity: 1;
    }

    #influences-svg {
      width: 100%;
      max-width: 620px;
    }

    /* ══════════════════════════════════
       § 7  TEAM
    ══════════════════════════════════ */
    #team {
      border-bottom: 1px solid var(--pink-border);
    }

    .team-heading {
      font-family: 'Unbounded', sans-serif;
      font-weight: 900;
      font-size: clamp(2rem, 5vw, 4rem);
      margin-bottom: 0.5rem;
      letter-spacing: -0.02em;
    }

    .team-sub {
      font-family: 'Space Mono', monospace;
      font-size: 0.7rem;
      letter-spacing: 0.25em;
      text-transform: uppercase;
      opacity: 0.45;
      margin-bottom: 4rem;
    }

    .team-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 2.5rem 3.5rem;
      margin-bottom: 5rem;
    }

    .team-member {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 1rem;
      cursor: default;
    }

    .avatar {
      width: 200px;
      height: 90px;
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: 'Unbounded', sans-serif;
      font-weight: 900;
      font-size: 1.5rem;
      transition: background 0.3s, color 0.3s;
    }

    .avatar::before {
      content: '';
      position: absolute;
      inset: -8px 12px 0;
      background: var(--pink-lightest);
      clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
      opacity: 0;
      transition: opacity 0.3s ease;
      z-index: 0;
      pointer-events: none;
    }

    .team-member:hover .avatar {
      color: white;
    }

    .team-member:hover .avatar::before {
      opacity: 1;
    }

    .avatar > * {
      position: relative;
      z-index: 1;
    }

    .avatar img {
      display: block;
      max-width: 100%;
      height: auto;
    }

    .member-name {
      font-family: 'Space Mono', monospace;
      font-size: 0.7rem;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      text-align: center;
    }

    .thanks-block {
      border-top: 1px solid var(--pink-border);
      padding-top: 3rem;
    }

    .thanks-label {
      font-family: 'Space Mono', monospace;
      font-size: 0.65rem;
      letter-spacing: 0.25em;
      text-transform: uppercase;
      opacity: 0.45;
      margin-bottom: 1.5rem;
    }

    .thanks-names {
      font-size: 0.9rem;
      line-height: 2.2;
      opacity: 0.65;
      columns: 3;
      column-gap: 2rem;
    }

    @media (max-width: 600px) {
      .thanks-names { columns: 1; }
    }

    /* ══════════════════════════════════
       § 8  FOOTER
    ══════════════════════════════════ */
    footer {
      padding: 4rem 8vw;
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      flex-wrap: wrap;
      gap: 2rem;
      border-top: 1px solid var(--pink-border);
    }

    .footer-title {
      font-family: 'Unbounded', sans-serif;
      font-weight: 900;
      font-size: 1.5rem;
      letter-spacing: -0.02em;
    }

    .footer-copy {
      font-family: 'Space Mono', monospace;
      font-size: 0.65rem;
      letter-spacing: 0.12em;
      opacity: 0.35;
      text-align: right;
    }

    /* ══════════════════════════════════
       TIMELINE SVG interactive dots
    ══════════════════════════════════ */
    .tl-dot {
      cursor: pointer;
      transition: r 0.2s;
    }
    .tl-dot circle {
      transition: r 0.2s ease, fill 0.2s ease;
    }
    .tl-dot:hover circle,
    .tl-dot.active circle {
      r: 8;
      fill: #FF00CC;
    }