/* Cindy Liu — portfolio
   Rebuilt from the Wix site. Desktop sizes are in "u" units:
   1u = 1px when the page is 1268px wide, so the layout scales with the
   window exactly like the Wix version did. Below 1024px the mobile
   layout takes over, where 1u = 1px at a 390px-wide screen. */


:root {
  --white: #ffffff;
  --black: #000000;
  --teal: #1d5e5d;      /* accent 1 */
  --sand: #ebe3d8;      /* accent 2 */
  --navy: #1d455e;      /* about page text */
  --grey: #595959;      /* shade 3 */
  --font: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

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

body {
  background: var(--white);
  color: var(--black);
  font-family: var(--font);
  container-type: inline-size;      /* lets 100cqw = page width without scrollbar */
  -webkit-font-smoothing: antialiased;
}

.site { --u: calc(100cqw / 1268); overflow-x: clip; }

img { display: block; max-width: 100%; }
a { color: inherit; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;   /* stays at the top while scrolling, on every page */
  top: 0;
  z-index: 50;
  height: calc(58 * var(--u));
  background: var(--white);
  overflow: hidden;
}
.site-header.is-fixed { position: fixed; top: 0; left: 0; right: 0; }

.logo {
  position: absolute;
  left: calc(32 * var(--u));
  top: calc(15 * var(--u));
  margin: 0;
  font-size: calc(24.0761 * var(--u));
  line-height: calc(26.4837 * var(--u));
  font-weight: 700;
  text-transform: uppercase;
  white-space: nowrap;
}
.logo a { text-decoration: none; color: var(--black); }

.nav {
  position: absolute;
  left: calc(834 * var(--u));
  top: 0;
  height: 100%;
  display: flex;
  align-items: center;
  gap: calc(59.5 * var(--u));
  margin: 0;
  padding: 0;
  list-style: none;
  white-space: nowrap;
}
.nav a {
  color: var(--grey);
  text-decoration: none;
  text-transform: uppercase;
  font-size: calc(13.8359 * var(--u));
  line-height: 1.35;
}
.nav a:hover,
.nav a[aria-current="page"] { text-decoration: underline; }

.menu-toggle, .mobile-menu { display: none; }

/* ---------- Shared text ---------- */
.section-title {
  margin: 0;
  text-align: center;
  color: var(--teal);
  font-weight: 700;
  font-size: calc(36 * var(--u));
  line-height: calc(34.2 * var(--u));
}

.back-to-top {
  text-align: center;
  font-size: calc(13.8359 * var(--u));
  line-height: calc(18.6785 * var(--u));
  color: var(--grey);
}
.back-to-top a { color: var(--grey); text-decoration: underline; }
.back-to-top p { margin: 0; }

.site-footer {
  height: calc(49 * var(--u));
  text-align: center;
  font-size: calc(13.8359 * var(--u));
  line-height: calc(18.6785 * var(--u));
  color: var(--grey);
}
.site-footer p { margin: 0; }

/* ---------- Hover tiles (same effect as the Wix HTML embeds) ---------- */
.tiles {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.tile {
  position: relative;
  overflow: hidden;
  background: #111;
  height: calc(var(--h, 362) * var(--u));
  display: block;
  color: #fff;
  text-decoration: none;
}
.tile img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: center;
  transition: opacity .5s ease;
}
.tile .b { opacity: 0; filter: brightness(.55); }
.tile.on .b { opacity: .75; }
.tile.on .top { opacity: 0; }
.tile .t {
  position: absolute;
  left: 12px;
  top: 12px;
  color: #fff;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .5s ease, transform .5s ease;
  pointer-events: none;
  text-shadow: 0 1px 8px rgba(0,0,0,.35);
  font-weight: 400;
}
.tile.on .t { opacity: 1; transform: none; }
.tile .t1 { font-size: 36px; line-height: 49px; }
.tile .t2 { font-size: 18px; line-height: 24px; }
a.tile { cursor: pointer; }

/* ---------- Overview (home) ---------- */
.hero {
  position: relative;
  height: calc(634 * var(--u));
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
}
.hero-text { position: relative; }

.home .hero-bg { object-position: 62.4% 57%; }
.home .hero h1 {
  position: absolute;
  left: calc(825 * var(--u));
  top: calc(221 * var(--u));
  width: calc(411 * var(--u));
  margin: 0;
  text-align: right;
  color: var(--white);
  font-weight: 700;
  font-size: calc(83.0156 * var(--u));
  line-height: calc(74.7141 * var(--u));
}
.home .hero .intro {
  position: absolute;
  left: calc(715 * var(--u));
  top: calc(341 * var(--u));
  width: calc(520 * var(--u));
  text-align: right;
  color: var(--sand);
  font-size: calc(24 * var(--u));
  line-height: calc(32.4 * var(--u));
}
.intro p { margin: 0; }

.home .projects { padding-top: calc(29 * var(--u)); }
.home .projects .section-title { margin-bottom: calc(30 * var(--u)); }
.home .back-to-top { height: calc(40 * var(--u)); padding-top: calc(10 * var(--u)); }

/* ---------- Portfolio ---------- */
.portfolio-page .projects {
  padding-top: calc(9 * var(--u));
  padding-bottom: calc(27 * var(--u));
}
.portfolio-page .projects .section-title { margin-bottom: calc(13 * var(--u)); }

.back-to-top.tall { height: calc(79 * var(--u)); padding-top: calc(30 * var(--u)); }
.back-to-top.taller { height: calc(177 * var(--u)); padding-top: calc(79 * var(--u)); }

/* ---------- About ---------- */
.about .hero { height: calc(768 * var(--u)); }
.about .hero-bg { object-position: 59.1% 42.6%; }
.about .hero h1 {
  position: absolute;
  left: calc(861 * var(--u));
  top: calc(201 * var(--u));
  width: calc(411 * var(--u));
  margin: 0;
  color: var(--navy);
  font-weight: 700;
  font-size: calc(83.0156 * var(--u));
  line-height: calc(74.7141 * var(--u));
}
.about .hero .intro {
  position: absolute;
  left: calc(861 * var(--u));
  top: calc(317 * var(--u));
  width: calc(353 * var(--u));
  color: var(--navy);
  font-size: calc(17.7891 * var(--u));
  line-height: calc(24.0152 * var(--u));
}

/* ---------- Contact ---------- */
.contact-main {
  position: relative;
  height: calc(737 * var(--u));
  padding-top: calc(31 * var(--u));
}
.contact-form {
  position: absolute;
  left: calc(-10 * var(--u));
  top: calc(91 * var(--u));
  width: calc(1268 * var(--u));
  height: calc(491 * var(--u));
  background: rgba(235, 227, 216, .33);
  padding: calc(50 * var(--u)) calc(91 * var(--u)) 0 calc(92 * var(--u));
  font-family: var(--font);
}
.form-grid {
  display: grid;
  grid-template-columns: calc(518 * var(--u)) calc(518 * var(--u));
  column-gap: calc(36 * var(--u));
}
.field { display: flex; flex-direction: column; margin-bottom: calc(32 * var(--u)); }
.field.full { grid-column: 1 / -1; }
.field label {
  font-size: 14px;
  line-height: 20px;
  color: var(--black);
  margin-bottom: 7px;
}
.field input,
.field textarea {
  font-family: var(--font);
  font-size: 16px;
  color: var(--black);
  background: transparent;
  border: 0;
  outline: none;
  padding: 8px 12px;
  border-radius: 0;
}
.field input { height: 40px; }
.field.email input { width: calc(1073 * var(--u)); }
.field textarea { width: calc(1085 * var(--u)); height: calc(76 * var(--u)); min-height: 60px; resize: vertical; margin-top: calc(8 * var(--u)); }
.field input::placeholder,
.field textarea::placeholder { color: var(--grey); }
.field input:focus,
.field textarea:focus { box-shadow: inset 0 -1px 0 rgba(0,0,0,.6); }
.send {
  display: block;
  width: 100%;
  height: 41px;
  margin-top: calc(8 * var(--u));
  border: 0;
  border-radius: 0;
  background: var(--teal);
  color: var(--white);
  font-family: var(--font);
  font-size: 16px;
  padding: 11px 15px;
  cursor: pointer;
}
.send:hover { opacity: .9; }
.form-note { margin: 10px 0 0; font-size: 14px; color: var(--teal); min-height: 20px; }

.contact-email {
  position: absolute;
  left: calc(349 * var(--u));
  top: calc(639 * var(--u));
  width: calc(286 * var(--u));
  margin: 0;
  text-align: center;
  color: var(--teal);
  font-weight: 700;
  font-size: calc(23.7188 * var(--u));
  line-height: calc(26.0906 * var(--u));
}
.contact-email a { color: var(--teal); text-decoration: underline; }

.social {
  position: absolute;
  left: calc(710 * var(--u));
  top: calc(635 * var(--u));
  display: flex;
  gap: calc(11 * var(--u));
  margin: 0;
  padding: 0;
  list-style: none;
}
.social a, .social img { display: block; width: calc(30 * var(--u)); height: calc(30 * var(--u)); }

/* ---------- Watch (blank page, kept as in Wix) ---------- */
.blank-page { height: calc(8373 * var(--u)); }

/* ---------- Vacuum ---------- */
.gallery { display: flex; flex-direction: column; gap: 20pt; }  /* space between project images */
.gallery img { width: 100%; height: auto; }
.gallery .sketch { aspect-ratio: 1268 / 724; object-fit: cover; }

/* =========================================================
   Mobile / tablet (Wix switches layouts below 1024px)
   ========================================================= */
@media (max-width: 1023px) {
  .site { --u: calc(100cqw / 390); }

  .site-header { height: calc(60 * var(--u)); overflow: visible; }
  .logo, .nav { display: none; }

  .menu-toggle {
    display: flex;
    position: absolute;
    right: calc(24 * var(--u));
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    padding: 6px 4px;
    flex-direction: column;
    justify-content: space-between;
    background: none;
    border: 0;
    cursor: pointer;
  }
  .menu-toggle span { display: block; height: 2px; background: var(--black); }

  .mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 100;
    background: var(--white);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
  }
  .mobile-menu.open { display: flex; }
  .mobile-menu a {
    color: var(--grey);
    text-decoration: none;
    text-transform: uppercase;
    font-size: 20px;
  }
  .mobile-menu a[aria-current="page"] { text-decoration: underline; }
  .menu-close {
    position: absolute;
    top: 14px;
    right: 18px;
    font-size: 34px;
    line-height: 1;
    background: none;
    border: 0;
    cursor: pointer;
    color: var(--black);
  }

  .section-title { font-size: calc(24 * var(--u)); line-height: 1.1; }

  .tiles { grid-template-columns: 1fr; padding: 0 6.15385%; row-gap: calc(40 * var(--u)); }
  .tile { height: calc(356 * var(--u)); }
  .tile .t1 { font-size: 28px; line-height: 38px; }

  .home .projects,
  .portfolio-page .projects { padding: calc(40 * var(--u)) 0; }
  .home .projects .section-title,
  .portfolio-page .projects .section-title { margin-bottom: calc(40 * var(--u)); padding: 0 6.15385%; }

  .back-to-top,
  .back-to-top.tall,
  .back-to-top.taller,
  .home .back-to-top {
    height: auto;
    padding: calc(40 * var(--u)) 6.15385%;
    font-size: calc(14 * var(--u));
    line-height: 1.35;
  }
  .site-footer {
    height: auto;
    padding: calc(40 * var(--u)) 6.15385%;
    font-size: calc(14 * var(--u));
    line-height: 1.35;
  }

  /* hero sections stack their text */
  .hero { height: auto; }
  .hero .hero-text { padding: calc(200 * var(--u)) 6.15385%; }
  .home .hero h1,
  .about .hero h1,
  .home .hero .intro,
  .about .hero .intro {
    position: static;
    width: auto;
  }
  .home .hero h1, .about .hero h1 { font-size: calc(34 * var(--u)); line-height: .9; }
  .home .hero .intro { margin-top: calc(12 * var(--u)); font-size: calc(20 * var(--u)); line-height: 1.35; }
  .about .hero .intro { margin-top: calc(12 * var(--u)); font-size: calc(16 * var(--u)); line-height: 1.35; }
  .about .hero .hero-text { padding: calc(80 * var(--u)) 6.15385%; }
  .about .hero { min-height: calc(600 * var(--u)); }

  /* contact */
  .contact-main { height: auto; padding: calc(40 * var(--u)) 0; }
  .contact-form {
    position: static;
    width: 100%;
    height: auto;
    margin-top: calc(32 * var(--u));
    padding: 32px 6.15385%;
  }
  .form-grid { grid-template-columns: 1fr; }
  .field { margin-bottom: 20px; }
  .field.email input { width: 100%; }
  .field textarea { width: 100%; height: 90px; }
  .contact-email,
  .social { position: static; }
  .contact-email { width: auto; margin-top: calc(32 * var(--u)); padding: 0 6.15385%; font-size: calc(20 * var(--u)); line-height: 1.1; }
  .social { justify-content: center; margin-top: calc(20 * var(--u)); gap: 12px; }
  .social a, .social img { width: 30px; height: 30px; }

  .blank-page { height: calc(2000 * var(--u)); }
}