/* ============================================================
   lindseychu.com — design system
   Layout/component language adapted from motherduck.com,
   recolored to Lindsey's existing lavender/mono brand.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500;600&family=Press+Start+2P&display=swap');

:root {
  --ink: #14121a;
  --bg: #fbfaf8;
  --lavender-50: #f4eefb;
  --lavender-200: #dcc9f2;
  --lavender-400: #b08fe0;
  --lavender-600: #7c57b3;
  --navy-dark: #1b1730;
  --white: #ffffff;
  --gray-500: #6b6774;
  --border: #e7e2ee;

  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --font-pixel: 'Press Start 2P', 'JetBrains Mono', monospace;

  --radius-card: 16px;
  --radius-pill: 999px;
  --max-width: 1120px;
  --shadow-card: 0 8px 24px rgba(20, 18, 26, 0.06);
  --shadow-card-hover: 0 14px 32px rgba(20, 18, 26, 0.1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 96px 0; }
@media (max-width: 720px) { section { padding: 56px 0; } }

.section--tint { background: var(--lavender-50); }
.section--dark { background: var(--navy-dark); color: var(--white); }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 16px;
}

h1 { font-size: 60px; letter-spacing: -0.02em; }
h2 { font-size: 34px; letter-spacing: -0.01em; }
h3 { font-size: 21px; }

p { margin: 0 0 16px; color: var(--gray-500); }
.section--dark p { color: #c9c4d6; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--lavender-600);
  margin-bottom: 12px;
}
.section--dark .eyebrow { color: var(--lavender-200); }

@media (max-width: 720px) {
  h1 { font-size: 36px; }
  h2 { font-size: 26px; }
}

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 250, 248, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo { width: 26px; height: 26px; color: var(--ink); flex-shrink: 0; }

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
  font-family: var(--font-mono);
  font-size: 14px;
}

.nav__links a { padding: 6px 2px; border-bottom: 1px solid transparent; }
.nav__links a:hover,
.nav__links a[aria-current="page"] { border-bottom-color: var(--lavender-400); }

.nav__icon { width: 20px; height: 20px; }

.nav__dropdown { position: relative; }

.nav__dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 5px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px 0;
  min-width: 220px;
  box-shadow: var(--shadow-card);
  z-index: 10;
}
.nav__dropdown:hover .nav__dropdown-menu,
.nav__dropdown:focus-within .nav__dropdown-menu { display: block; }

.nav__dropdown-menu a {
  display: block;
  padding: 9px 18px;
  white-space: nowrap;
}
.nav__dropdown-menu a:hover { background: var(--lavender-50); }

.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
}

@media (max-width: 720px) {
  .nav__toggle { display: block; }
  .nav__links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    padding: 20px 24px 28px;
    display: none;
  }
  .nav__links.is-open { display: flex; }
  .nav__dropdown-menu {
    position: static;
    display: block;
    box-shadow: none;
    border: none;
    padding: 4px 0 4px 16px;
    margin-top: 4px;
  }
}

/* ---------- Password gate ---------- */
.password-gate {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #efe7fa 0%, #f7f2fb 55%, var(--bg) 100%);
  padding: 24px;
}
.password-gate[hidden] { display: none; }

.password-gate__card {
  background: var(--white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card-hover);
  padding: 40px 36px;
  max-width: 340px;
  width: 100%;
  text-align: center;
}
.password-gate__logo { width: 32px; height: 32px; color: var(--lavender-600); margin: 0 auto 20px; }
.password-gate__label {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 20px;
}
.password-gate__input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 14px;
  text-align: center;
  margin-bottom: 16px;
}
.password-gate__input:focus { outline: none; border-color: var(--lavender-400); }
.password-gate__card .btn { width: 100%; justify-content: center; }
.password-gate__error {
  color: #c0392b;
  font-family: var(--font-mono);
  font-size: 12.5px;
  margin: 14px 0 0;
}

body.is-locked { overflow: hidden; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }

.btn--primary { background: var(--ink); color: var(--white); }
.btn--primary:hover { box-shadow: var(--shadow-card-hover); }

.btn--outline { background: transparent; border-color: var(--ink); color: var(--ink); }

.btn--marquee {
  position: relative;
  overflow: hidden;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.btn--marquee:hover {
  background: var(--lavender-600);
  border-color: var(--lavender-600);
  color: var(--white);
}
.btn__track {
  position: relative;
  display: inline-block;
  white-space: nowrap;
}
.btn__label--dup {
  position: absolute;
  right: 100%;
  top: 0;
  padding-right: 24px;
}
.btn--marquee:hover .btn__track {
  animation: btn-marquee 2.2s linear infinite;
}
@keyframes btn-marquee {
  from { transform: translateX(0); }
  to { transform: translateX(calc(100% + 24px)); }
}

.btn--light { background: var(--white); color: var(--ink); box-shadow: var(--shadow-card); }
.btn--light:hover { box-shadow: var(--shadow-card-hover); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 110px;
  background: linear-gradient(180deg, #efe7fa 0%, #f7f2fb 55%, var(--bg) 100%);
}

.hero__blobs {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.7;
  animation: drift 22s ease-in-out infinite alternate;
}
.hero__blobs.is-paused { animation-play-state: paused; }

@keyframes drift {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-2%, 2%) scale(1.04); }
}

.hero__inner { position: relative; z-index: 1; }

.hero__title {
  text-align: center;
  font-family: var(--font-pixel);
  font-weight: 300;
  font-size: 25px;
  line-height: 2;
  letter-spacing: 1px;
  margin-bottom: 28px;
}
@media (max-width: 720px) {
  .hero__title { font-size: 15px; }
}

.marquee {
  overflow: hidden;
  white-space: nowrap;
  border-top: 1px solid var(--lavender-200);
  border-bottom: 1px solid var(--lavender-200);
  padding: 10px 0;
  margin-top: 50px;
  margin-bottom: 60px;
}
.marquee__track {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--lavender-600);
  animation: scroll-left 28s linear infinite;
}
@keyframes scroll-left {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.hero__bio {
  max-width: 520px;
  margin: 0 auto;
  text-align: left;
}
.hero__bio p { color: var(--ink); margin-top: 60px;}
.hero__bio .recent { font-family: var(--font-mono); font-size: 14px; color: var(--gray-500); margin-top: 60px; }
.hero__bio .recent b { color: var(--ink); }

.hero__cta {
  text-align: center;
  margin-top: 100px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--lavender-600);
}
.hero__cta a { padding: 6px 2px; border-bottom: 1px solid transparent; }
.hero__cta a:hover { border-bottom-color: var(--lavender-400); }

.hero__scene {
  position: relative;
  z-index: 1;
  height: 170px;
  max-width: var(--max-width);
  margin: 40px auto 0;
  padding: 0 24px;
}

.hero__scene-item {
  position: absolute;
  bottom: 0;
  width: 150px;
  image-rendering: pixelated;
}
.hero__scene-item--kitchen { left: 2%; width: 150px; }
.hero__scene-item--park { left: 50%; width: 320px; transform: translateX(-50%); }
.hero__scene-item--bed { right: 2%; width: 160px; }

@media (max-width: 720px) {
  .hero__scene { height: 120px; }
  .hero__scene-item { width: 100px; }
  .hero__scene-item--park { width: 140px; }
  .hero__scene-item--bed { width: 110px; }
}

.hero__character {
  position: absolute;
  bottom: 6px;
  left: 8%;
  width: 52px;
  z-index: 5;
  transition: left 2s linear;
}
.hero__character img {
  width: 100%;
  display: block;
  image-rendering: pixelated;
}
.hero__character.is-flipped img { transform: scaleX(-1); }
.hero__character.is-walking img { animation: hero-walk-bob 0.3s steps(2) infinite; }
.hero__character.is-walking.is-flipped img { animation: hero-walk-bob-flip 0.3s steps(2) infinite; }

@keyframes hero-walk-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}
@keyframes hero-walk-bob-flip {
  0%, 100% { transform: translateY(0) scaleX(-1); }
  50% { transform: translateY(-3px) scaleX(-1); }
}

/* ---------- Project cards ---------- */
.projects { display: flex; flex-direction: column; gap: 28px; }

.project-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.project-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-2px); }

.project-card__media { order: 2; }
.project-card.is-reversed .project-card__media { order: 0; }

.project-card__body {
  order: 3;
  padding: 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.project-card.is-reversed .project-card__body { order: 1; }

.project-card__cta { margin-top: 10px; }

.project-card__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--lavender-600);
  margin-bottom: 10px;
}

@media (max-width: 820px) {
  .project-card { grid-template-columns: 1fr; }
  .project-card__media,
  .project-card.is-reversed .project-card__media { order: 0; }
  .project-card__body,
  .project-card.is-reversed .project-card__body { order: 1; padding: 32px; }
}

/* ---------- Image placeholder ---------- */
.img-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
  height: 100%;
  background: var(--lavender-50);
  border: 1.5px dashed var(--lavender-400);
  color: var(--lavender-600);
  font-family: var(--font-mono);
  font-size: 12.5px;
  text-align: center;
  padding: 16px;
  border-radius: inherit;
}
.img-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
  display: block;
}
.img-placeholder--inline {
  border-radius: var(--radius-card);
  margin: 24px 0;
  min-height: 260px;
}

/* ---------- About page ---------- */
.about-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
@media (max-width: 720px) {
  .about-block { grid-template-columns: 1fr; gap: 20px; }
}

.about-block__image {
  border-radius: var(--radius-card);
  height: 100%;
}
@media (max-width: 720px) {
  .about-block__image { height: auto; min-height: 180px; }
}

.about-block__content { display: flex; gap: 18px; }
.about-block__icon {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--lavender-50);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--lavender-600);
}
.about-block h3 {
  font-family: var(--font-mono);
  text-transform: lowercase;
}
.about-block ul { margin: 0; padding-left: 20px; color: var(--gray-500); }
.about-block ul ul { margin-top: 6px; }

.contact-card {
  margin-top: 24px;
  background: var(--lavender-50);
  border-radius: var(--radius-card);
  padding: 32px;
  text-align: center;
}
.contact-card a { color: var(--lavender-600); text-decoration: underline; }

/* ---------- Case study ---------- */
.case-hero { padding-top: 56px; padding-bottom: 56px; }
.case-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px;
  margin: 32px 0 8px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
}
.case-meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--lavender-600);
  margin-bottom: 4px;
}
.case-meta dd { margin: 0; font-size: 15px; color: var(--ink); }

.callout {
  background: var(--lavender-50);
  border-left: 3px solid var(--lavender-400);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
  padding: 24px 28px;
  margin: 28px 0;
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--ink);
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
@media (max-width: 820px) { .two-col { grid-template-columns: 1fr; gap: 8px; } }

.two-col.image-row { gap: 20px; margin-top: 20px; }
@media (max-width: 820px) { .two-col.image-row { gap: 20px; } }

.case-section ul { color: var(--gray-500); padding-left: 20px; }
.case-section li { margin-bottom: 8px; }

.case-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 32px 0;
  font-family: var(--font-mono);
  font-size: 14px;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}

/* ---------- Footer ---------- */
.site-footer {
  text-align: center;
  padding: 48px 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gray-500);
}
.site-footer .back-to-top { display: block; margin-bottom: 14px; text-decoration: underline; }