/* ---------------------------------------------------
   cecilia qian — portfolio
   font: Courier Prime (+ Cormorant Garamond for blurbs) | teal: #D1E3E3
--------------------------------------------------- */

:root {
  --teal: #D1E3E3;
  --paper: #F6F6F3;
  --ink: #111111;
  --gray: #3a3a3a;
  --font: 'Courier Prime', 'Courier New', Courier, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  font-family: var(--font);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ===================================================
   HERO — recreates the 2000x1300 Figma frame.
   container-type lets us scale everything (position +
   type) together with cqw units, just like a Figma
   frame scaling proportionally.
=================================================== */

.hero {
  position: relative;
  width: 100%;
  max-width: 2000px;
  margin: 0 auto;
  aspect-ratio: 2000 / 1300;
  overflow: hidden;
  container-type: inline-size;
  background: var(--paper);
}

/* ---------- decorative teal squares ---------- */

.sq {
  position: absolute;
  background: var(--teal);
  display: block;
}

.sq-a { left: -0.75%; top: 2.9%;   width: 2.6%; height: 4.0%; }
.sq-b { left: -0.75%; top: 11.4%;  width: 2.6%; height: 4.0%; }
.sq-c { left: 27.65%; top: 21.4%;  width: 2.1%; height: 3.2%; }
.sq-d { left: 48.15%; top: 29.9%;  width: 2.3%; height: 3.5%; }
.sq-e { left: 44.65%; top: 39.9%;  width: 2.3%; height: 3.5%; }
.sq-f { left: 52.4%;  top: 53.6%;  width: 2.1%; height: 3.2%; }
.sq-g { left: 59.6%;  top: 53.6%;  width: 2.1%; height: 3.2%; }
.sq-h { left: 66.6%;  top: 65.0%;  width: 2.3%; height: 3.5%; }
.sq-i { left: 97.5%;  top: 80.8%;  width: 2.5%; height: 3.85%; }
.sq-j { left: 97.5%;  top: 88.3%;  width: 2.5%; height: 3.85%; }
.sq-k { left: 97.5%;  top: 95.8%;  width: 2.5%; height: 3.85%; }

/* ---------- nav ---------- */

.nav {
  position: absolute;
  top: 3.1%;
  left: 0;
  width: 100%;
  height: 6%;
  font-size: 2.1cqw;
  font-weight: 400;
  letter-spacing: 0.02em;
}

.nav a {
  position: absolute;
  top: 0;
  white-space: nowrap;
  transition: opacity 0.15s ease;
}

.nav a:nth-child(1) { left: 50.3%; }
.nav a:nth-child(2) { left: 71%; }
.nav a:nth-child(3) { right: 1.75%; }

.nav a:hover {
  opacity: 0.55;
}

/* ---------- vertical contact link ---------- */

.contact-vertical {
  position: absolute;
  left: 0.7%;
  top: 34%;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: 0.85cqw;
  letter-spacing: 0.12em;
  color: var(--gray);
  white-space: nowrap;
}

.contact-vertical:hover {
  color: var(--ink);
}

/* ---------- intro paragraph ---------- */


.intro {
  position: absolute;
  left: 5.25%;
  top: 27.7%;
  width: 39%;
  margin: 0;
  font-family: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  font-size: 2.15cqw;
  line-height: 1.15;
  color: var(--ink);
}

/* ---------- image placeholder block ---------- */

.hero-image {
  position: absolute;
  left: 5.25%;
  top: 50%;
  width: 40%;
  height: 30%;
  background: var(--teal);
  user-select: none;
}

.hero-doodle {
  position: absolute;
  width: auto;
}

.hero-doodle-person {
  left: 0;
  bottom: 0;
  height: 35%;
}

.hero-doodle-dog {
  right: -2%;
  top: -16%;
  height: 20%;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-clear {
  position: absolute;
  right: 0.8%;
  bottom: 0.8%;
  width: 2.4cqw;
  height: 2.4cqw;
  min-width: 22px;
  min-height: 22px;
  border: 1.5px solid var(--ink);
  border-radius: 50%;
  background: #f6f6f3cc;
  color: var(--ink);
  font-family: var(--font);
  font-size: 1.3cqw;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  transition: opacity 0.15s ease;
}

.hero-clear:hover {
  opacity: 0.6;
}

.click-here {
  position: absolute;
  right: 54.75%;
  top: 80.6%;
  color: var(--ink);
  font-size: 1.6cqw;
  font-weight: 400;
  white-space: nowrap;
  transition: opacity 0.15s ease;
}

.click-here:hover {
  opacity: 0.55;
}

/* ---------- big bracketed name ---------- */

.hero-name {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  font-weight: 400;
  pointer-events: none;
}

.hero-name .row {
  position: absolute;
  display: flex;
  align-items: baseline;
  font-size: 7.2cqw;
  line-height: 1;
}

.hero-name .row1 {
  left: 50.75%;
  top: 35%;
  gap: 1.4cqw;
  justify-content: flex-start;
}

.hero-name .row2 {
  right: 1.75%;
  top: 57.5%;
  gap: 1.4cqw;
  justify-content: flex-end;
}

.hero-name .bracket {
  font-weight: 400;
}

/* ===================================================
   RESPONSIVE — below ~760px the pixel-precise hero
   folds into a simple stacked layout.
=================================================== */

@media (max-width: 760px) {

  .hero {
    aspect-ratio: auto;
    padding: 90px 24px 60px;
    overflow: visible;
    container-type: normal;
  }

  .sq-i, .sq-j, .sq-k, .sq-a, .sq-b { display: none; }

  .sq-c, .sq-d, .sq-e, .sq-f, .sq-g, .sq-h {
    position: static;
    display: inline-block;
    width: 14px;
    height: 14px;
    margin: 0 6px 6px 0;
  }

  .nav {
    position: absolute;
    top: 28px;
    right: 24px;
    left: 24px;
    height: auto;
    display: flex;
    justify-content: space-between;
    font-size: 15px;
  }

  .nav a {
    position: static;
    left: auto;
  }

  .contact-vertical {
    position: static;
    display: block;
    writing-mode: horizontal-tb;
    transform: none;
    font-size: 12px;
    margin-bottom: 28px;
  }

  .intro {
    position: static;
    width: 100%;
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 24px;
  }

  .hero-image {
    position: relative;
    width: 100%;
    height: 220px;
    margin-bottom: 16px;
  }

  .click-here {
    position: static;
    display: inline-block;
    float: right;
    font-size: 13px;
    margin-top: 8px;
    margin-bottom: 32px;
  }

  .hero-name {
    position: static;
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  .hero-name .row {
    position: static;
    font-size: 15vw;
    width: 100%;
  }

  .hero-name .row2 {
    padding-left: 20%;
  }
}

/* ===================================================
   PLACEHOLDER SUB-PAGES (about / work / resume)
=================================================== */

.placeholder-page {
  position: relative;
  min-height: 100vh;
  padding: 40px 5% 0;
}

.nav-static {
  position: static;
  display: flex;
  justify-content: flex-end;
  gap: 60px;
  font-size: 22px;
  font-weight: 400;
  margin-bottom: 0;
}

.nav-static a {
  position: static;
  left: auto;
  right: auto;
}

.nav-static a:hover { opacity: 0.55; }

.placeholder-copy {
  margin-top: 40vh;
  text-align: center;
  font-size: 24px;
  color: var(--gray);
}

/* ===================================================
   FIXED HEADER — one header for the whole page.
   "work" gets underlined once the work section is
   in view (html.in-work).
=================================================== */

.site-nav {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 2000px;
  height: calc(min(100vw, 2000px) * 0.085);
  z-index: 50;
  container-type: inline-size;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.35s ease;
}

/* the menu shows at the very top, while scrolling, and while hovering the top edge */
.at-top .site-nav,
.nav-show .site-nav,
.site-nav:focus-within { opacity: 1; }

.site-nav nav {
  position: absolute;
  inset: 0;
  font-family: var(--font);
  font-size: 2.1cqw;
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1;
}

.site-nav a {
  position: absolute;
  top: 2.02cqw;
  white-space: nowrap;
  color: var(--ink);
  pointer-events: none;
  transition: opacity 0.15s ease;
}

.at-top .site-nav a,
.nav-show .site-nav a,
.site-nav:focus-within a { pointer-events: auto; }

.site-nav a:hover { opacity: 0.55; }

.site-nav .nav-about  { left: 50.3%; }
.site-nav .nav-work   { left: 71%; }
.site-nav .nav-resume { right: 1.75%; }

.site-nav .nav-work::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 0.08em);
  height: 0.14cqw;
  min-height: 2px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.4s ease;
}

.in-work .site-nav .nav-work::after { transform: scaleX(1); }

/* ===================================================
   STAGE — natural scroll. The home page scrolls away
   normally; its intro + email glide into the sidebar
   (see the script at the bottom of index.html).
=================================================== */

.stage { position: relative; }



html { scroll-behavior: smooth; }

/* ===================================================
   WORK / PROJECTS — recreates the 1902x2000 Figma
   frame. 1cqw = 1% of the frame width, so every size
   scales with the page.
   Design sizes (px at the original 1280px frame):
   body 16 | heading 32 | name 24 | desc 15 | tag 14
=================================================== */

.work {
  position: relative;
  width: 100%;
  max-width: 2000px;
  margin: 0 auto;
  aspect-ratio: 1902 / 2000;
  overflow: hidden;
  container-type: inline-size;
  background: var(--paper);
  color: #000000;
}

.w-sq {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: 2%;
  aspect-ratio: 1 / 1;
  background: var(--teal);
  display: block;
}

/* ---------- sidebar ---------- */

.sidebar {
  position: fixed;
  top: 0;
  left: calc(50vw - min(50vw, 1000px));
  width: min(100vw, 2000px);
  height: calc(min(100vw, 2000px) * 2000 / 1902);
  z-index: 40;
  container-type: inline-size;
  overflow: hidden;
  pointer-events: none;
  color: #000000;
  font-family: var(--font);
}

.sb-slide {
  position: absolute;
  inset: 0;
  transform: translateX(calc((1 - var(--fi, 0)) * -4cqw));
  visibility: hidden;
}

.sb-on .sb-slide { visibility: visible; }

.sb-slide > * { pointer-events: auto; }

.sb-slide > :not(.sb-bg) { opacity: var(--fi, 0); }

.sb-bg {
  position: absolute;
  left: 0;
  top: 0;
  width: 28.5%;
  height: 54%;
  background: var(--paper);
  opacity: var(--bg, 0);
}

.w-vertical {
  position: absolute;
  left: 0.47%;
  top: 21.35%;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: 0.9375cqw;
  white-space: nowrap;
}

.w-hello,
.w-blurb,
.w-skills {
  position: absolute;
  left: 3.9%;
  top: var(--y);
  margin: 0;
  white-space: nowrap;
}

.w-hello  { font-size: 1.25cqw; line-height: 1.55; }
.w-blurb  {
  font-family: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  font-size: 1.25cqw;
  line-height: 1.57;
}
.w-skills { font-size: 1.25cqw; line-height: 1.556; }

.w-link {
  position: absolute;
  left: 3.83%;
  top: var(--y);
  display: flex;
  align-items: baseline;
  font-size: 1.25cqw;
  line-height: 1;
  white-space: nowrap;
}

.w-link:hover { opacity: 0.55; }

.w-arrow {
  width: 0.72em;
  height: 0.72em;
  margin-right: 1.13em;
  flex: none;
}

/* ---------- project cards ---------- */

.w-projects {
  position: absolute;
  inset: 0;
}

.w-card { display: contents; color: inherit; }

.w-heading {
  position: absolute;
  left: var(--x);
  top: var(--y);
  margin: 0;
  font-family: var(--font);
  font-weight: 400;
  font-size: 2.5cqw;
  line-height: 1;
  white-space: nowrap;
}

.w-img {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: var(--w);
  height: auto;
  display: block;
  user-select: none;
  transition: opacity 0.2s ease;
}

.w-name {
  position: absolute;
  left: var(--x);
  top: var(--y);
  margin: 0;
  font-family: 'Courier New', Courier, monospace;
  font-weight: 400;
  font-size: 1.875cqw;
  line-height: 1;
  white-space: nowrap;
}

.w-desc {
  position: absolute;
  left: var(--x);
  top: var(--y);
  margin: 0;
  font-family: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  font-size: 1.1719cqw;
  line-height: 1.335;
  white-space: nowrap;
}

.w-tag {
  position: absolute;
  left: var(--x);
  top: var(--y);
  padding: 0 0.15em;
  background: #bdedfc;
  font-family: var(--font);
  font-weight: 400;
  font-size: 1.0938cqw;
  line-height: 1.05;
  letter-spacing: -0.085em;
  white-space: nowrap;
}

.w-card:hover .w-img { opacity: 0.85; }
/* hovering a project grows its teal square out to highlight the whole name */
.w-sq-proj {
  height: 2cqw;
  aspect-ratio: auto;
  transition: width 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.w-card:hover .w-sq-proj,
.w-card:focus-visible .w-sq-proj { width: var(--hl, 2%); }

/* ===================================================
   CASE-STUDY / PLAYGROUND PLACEHOLDER PAGES
=================================================== */

.case {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 5% 100px;
}

.case-head { margin-top: 60px; }

.case-title {
  margin: 0 0 18px;
  font-family: var(--font);
  font-weight: 400;
  font-size: 32px;
  line-height: 1.2;
}

.case-desc {
  margin: 0 0 18px;
  max-width: 640px;
  font-family: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  font-size: 20px;
  line-height: 1.4;
}

.case-tags { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 36px; }

.case-tag {
  padding: 0 4px;
  background: #bdedfc;
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.3;
}

.case-img { display: block; width: 100%; max-width: 760px; height: auto; margin-bottom: 40px; }

.case-soon {
  margin: 60px 0 0;
  font-family: var(--font);
  font-size: 18px;
  color: var(--gray);
}

.case-back {
  display: inline-block;
  margin-top: 36px;
  font-family: var(--font);
  font-size: 16px;
}

.case-back:hover { opacity: 0.55; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .sb-slide { transition: none; }
  .site-nav,
  .site-nav .nav-work::after { transition: none; }
}

/* ===================================================
   MOBILE — everything stacks into a single column.
=================================================== */

@media (max-width: 760px) {

  .hero { position: relative; }

  .site-nav {
    position: fixed;
    left: 0;
    transform: none;
    width: 100%;
    height: 56px;
    max-width: none;
    container-type: normal;
    background: var(--paper);
  }


  .site-nav nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 24px;
    font-size: 15px;
  }

  .site-nav a { position: static; }

  .site-nav .nav-work::after { top: calc(100% + 4px); height: 2px; }

  .sidebar {
    position: static;
    width: auto;
    height: auto;
    overflow: visible;
    container-type: normal;
    pointer-events: auto;
    padding: 28px 24px 8px;
  }

  .sb-slide {
    position: static;
    transform: none;
    visibility: visible;
    display: flex;
    flex-direction: column;
  }

  .sb-bg, .w-sq { display: none; }

  .sb-slide > :not(.sb-bg) { opacity: 1; }

  .work {
    aspect-ratio: auto;
    container-type: normal;
    overflow: visible;
    padding: 24px 24px 60px;
  }

  .w-projects { position: static; display: flex; flex-direction: column; }

  .w-card {
    display: flex;
    flex-direction: column;
    margin-bottom: 40px;
  }

  .w-vertical { display: none; }

  .w-hello, .w-blurb, .w-skills, .w-link,
  .w-heading, .w-img, .w-name, .w-desc, .w-tag {
    position: static;
    white-space: normal;
  }

  .w-hello  { font-size: 16px; margin-bottom: 20px; }
  .w-blurb  { font-size: 17px; margin-bottom: 24px; }
  .w-blurb br, .w-desc br { display: none; }
  .w-link   { font-size: 16px; margin-bottom: 14px; }
  .w-skills { font-size: 16px; margin: 14px 0 20px; }

  .w-heading { font-size: 24px; margin-bottom: 28px; }
  .w-img     { width: 100%; }
  .w-name    { font-size: 20px; margin-top: 12px; display: block; }
  .w-desc    { font-size: 16px; margin-top: 6px; display: block; }
  .w-tag     { display: inline-block; align-self: flex-start; font-size: 12px; margin-top: 8px; padding: 0 3px; }

  .w-card .w-sq-proj { display: none; }
}

/* falling teal pixels: only in the strip between home and work.
   The strip runs from 85% down the home page to 12% into the work page
   (home page height = 0.65 x width, work page 1.0516 x width). */

.pixel-gap {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: min(100vw, 2000px);
  top: calc(min(100vw, 2000px) * 0.5525);
  height: calc(min(100vw, 2000px) * 0.2237);
  z-index: 1;
  pointer-events: none;
}

@media (max-width: 760px) {
  .pixel-gap { display: none; }
}

/* ===================================================
   EMAIL OVERLAY — the address zooms in to fill the
   screen, with a hint to exit once it has landed.
=================================================== */

.email-zoom {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--teal);
  opacity: 0;
  visibility: hidden;
  cursor: pointer;
  outline: none;
  --ox: 50vw;
  --oy: 50vh;
  transition: opacity 0.45s ease, visibility 0s linear 0.55s;
}

.email-zoom.open {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.35s ease;
}

.ez-text {
  position: absolute;
  left: 50%;
  top: 50%;
  white-space: nowrap;
  font-family: var(--font);
  font-size: 10vw;
  line-height: 1;
  color: #000000;
  transform: translate(calc(-50% + var(--ox) - 50vw), calc(-50% + var(--oy) - 50vh)) scale(0.1);
  transition: transform 0.55s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.email-zoom.open .ez-text {
  transform: translate(-50%, -50%) scale(1);
}

.ez-hint {
  position: absolute;
  left: 50%;
  bottom: 5vh;
  transform: translateX(-50%);
  white-space: nowrap;
  font-family: var(--font);
  font-size: max(14px, 1.5vw);
  color: #000000;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.email-zoom.open .ez-hint {
  opacity: 1;
  transition: opacity 0.4s ease 0.55s;
}

@media (prefers-reduced-motion: reduce) {
  .email-zoom,
  .email-zoom.open,
  .ez-text,
  .ez-hint,
  .email-zoom.open .ez-hint { transition: none; }
}