/* Side Projects · 剪贴拼贴
   内容由 data/projects.yaml 驱动；每四个项目形成一组拼贴。 */

.projects-page {
  position: relative;
}

.projects-hero {
  max-width: 58rem;
  margin-inline: auto;
  padding: var(--space-5) 0 var(--space-8);
  text-align: center;
}

.projects-hero__kicker {
  margin-bottom: var(--space-5);
  color: var(--red);
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wider);
}

.projects-hero__title {
  font-size: clamp(3.25rem, 6.8vw, 5.5rem);
  line-height: 1.12;
  letter-spacing: -0.055em;
}

.projects-hero__title em {
  color: var(--red);
  font-style: normal;
}

.projects-hero__lead {
  max-width: 32rem;
  margin: var(--space-5) auto 0;
  color: var(--ink-2);
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  line-height: 1.85;
}

.projects-collage__group {
  position: relative;
  height: 65rem;
  margin-bottom: var(--space-8);
}

.projects-collage__group::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(color-mix(in srgb, var(--ink) 15%, transparent) 0.65px, transparent 0.65px);
  background-size: 20px 20px;
  opacity: 0.3;
  pointer-events: none;
}

.project-card {
  --project-rotate: 0deg;
  position: absolute;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  color: var(--ink);
  background: color-mix(in srgb, var(--cream) 36%, var(--paper));
  border: 1px solid color-mix(in srgb, var(--ink) 8%, transparent);
  border-radius: var(--radius);
  box-shadow: 0 2px 3px rgb(20 18 16 / 3%), 0 18px 44px rgb(20 18 16 / 9%);
  transform: rotate(var(--project-rotate));
  transition: transform var(--dur-3) var(--ease-out), box-shadow var(--dur-3) var(--ease-out);
}

.project-card:hover {
  z-index: 8;
  box-shadow: 0 3px 4px rgb(20 18 16 / 3%), 0 28px 64px rgb(20 18 16 / 14%);
  transform: translateY(-6px) rotate(0deg);
}

.project-card:active {
  transform: translateY(-2px) rotate(0deg) scale(0.995);
}

.project-card--slot-0 {
  --project-rotate: -1.3deg;
  top: 2.5rem;
  left: 0;
  z-index: 2;
  width: 49%;
  height: 29rem;
}

.project-card--slot-1 {
  --project-rotate: 1.8deg;
  top: 0;
  right: 1%;
  z-index: 3;
  width: 39%;
  height: 25rem;
}

.project-card--slot-2 {
  --project-rotate: 1.2deg;
  top: 35rem;
  left: 6%;
  z-index: 2;
  width: 43%;
  height: 25rem;
}

.project-card--slot-3 {
  --project-rotate: -1.5deg;
  top: 32rem;
  right: 2%;
  z-index: 3;
  width: 34%;
  height: 30rem;
}

.project-card--ink {
  color: var(--cream);
  background: var(--ink);
  border-color: var(--ink);
}

.project-card--cream {
  background: var(--cream);
}

.project-card__top {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-5) 0;
  color: var(--ink-3);
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  line-height: 1.4;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
}

.project-card--ink .project-card__top {
  color: var(--cream-3);
}

.project-card__arrow {
  flex: 0 0 auto;
  color: var(--red);
  font-size: var(--fs-h3);
  line-height: 1;
  letter-spacing: 0;
  transition: transform var(--dur-2) var(--ease-out);
}

.project-card:hover .project-card__arrow {
  transform: translate(3px, -3px);
}

.project-card__art {
  position: relative;
  flex: 1;
  min-height: 11rem;
  pointer-events: none;
}

.project-card__art img {
  width: 100%;
  height: 100%;
  margin-top: var(--space-4);
  object-fit: cover;
}

.project-card__body {
  position: relative;
  z-index: 3;
  margin-top: auto;
  padding: var(--space-5) var(--space-6) var(--space-6);
}

.project-card__title {
  margin-bottom: var(--space-3);
  font-size: clamp(1.625rem, 2.7vw, 2.25rem);
  overflow-wrap: anywhere;
}

.project-card--large .project-card__title {
  font-size: clamp(2rem, 3.2vw, 2.75rem);
}

.project-card--ink .project-card__title {
  color: var(--cream);
}

.project-card__description {
  margin: 0;
  color: var(--ink-2);
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  line-height: 1.75;
}

.project-card--ink .project-card__description {
  color: var(--cream-2);
}

/* Ask Someone · 对话 */
.project-art--chat {
  min-height: 15rem;
  overflow: hidden;
}

.project-chat__question {
  position: absolute;
  top: -3rem;
  right: 2%;
  color: transparent;
  font-family: Georgia, serif;
  font-size: 17rem;
  line-height: 1;
  -webkit-text-stroke: 1px rgb(237 234 227 / 17%);
  transform: rotate(7deg);
}

.project-chat__bubble {
  position: absolute;
  padding: 0.8rem 1rem;
  color: var(--cream);
  background: rgb(237 234 227 / 4%);
  border: 1px solid rgb(237 234 227 / 25%);
  border-radius: 18px 18px 18px 3px;
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  backdrop-filter: blur(4px);
}

.project-chat__bubble--one {
  top: 24%;
  left: 8%;
}

.project-chat__bubble--two {
  top: 55%;
  right: 9%;
  color: var(--ink);
  background: var(--cream);
  border-color: var(--cream);
  border-radius: 18px 18px 3px 18px;
}

.project-chat__bubble--two span {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-left: 5px;
  background: var(--red);
  border-radius: 50%;
  vertical-align: middle;
}

/* 三国 · 牌桌 */
.project-poker__table {
  position: absolute;
  inset: var(--space-5) var(--space-5) 0;
  overflow: hidden;
  background: var(--cream);
  border-radius: var(--radius-sm);
}

.project-poker__table::before {
  content: "";
  position: absolute;
  top: 54%;
  left: 50%;
  width: 14rem;
  height: 14rem;
  border: 1px solid rgb(20 18 16 / 18%);
  border-radius: 50%;
  box-shadow: inset 0 0 0 25px rgb(20 18 16 / 2.5%);
  transform: translate(-50%, -50%);
}

.project-poker__card {
  position: absolute;
  top: 48%;
  left: 50%;
  width: 5rem;
  height: 7rem;
  padding: var(--space-2);
  color: var(--ink);
  background: var(--paper);
  border: 1px solid rgb(20 18 16 / 14%);
  border-radius: var(--radius);
  box-shadow: 0 10px 20px rgb(20 18 16 / 12%);
  font-family: Georgia, serif;
  font-size: var(--fs-h3);
  line-height: 1.15;
}

.project-poker__card span {
  display: block;
}

.project-poker__card span + span {
  margin-top: var(--space-2);
  font-size: 1.75rem;
}

.project-poker__card--back {
  transform: translate(-78%, -50%) rotate(-13deg);
}

.project-poker__card--front {
  color: var(--red);
  transform: translate(-10%, -44%) rotate(10deg);
}

/* YNAB · 信封预算 */
.project-art--envelope {
  min-height: 14rem;
  overflow: hidden;
}

.project-envelope {
  position: absolute;
  width: 62%;
  height: 9rem;
  padding: var(--space-4);
  background: var(--paper);
  border: 1px solid rgb(20 18 16 / 20%);
  box-shadow: 0 12px 24px rgb(20 18 16 / 8%);
  font-family: var(--font-sans);
}

.project-envelope::before {
  content: "";
  position: absolute;
  inset: 0 0 42%;
  background: color-mix(in srgb, var(--ink) 5%, transparent);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
}

.project-envelope span {
  position: absolute;
  bottom: var(--space-3);
  left: var(--space-4);
  color: var(--ink-2);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
}

.project-envelope strong {
  position: absolute;
  right: var(--space-4);
  bottom: var(--space-2);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: var(--fw-regular);
}

.project-envelope--back {
  top: 22%;
  left: 12%;
  transform: rotate(-7deg);
}

.project-envelope--middle {
  top: 20%;
  right: 9%;
  transform: rotate(6deg);
}

.project-envelope--front {
  top: 34%;
  left: 18%;
  z-index: 2;
  transform: rotate(-2deg);
}

.project-envelope__ai {
  position: absolute;
  top: 13%;
  right: 12%;
  z-index: 3;
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  color: var(--cream);
  background: var(--red);
  border-radius: 50%;
  box-shadow: 0 0 0 5px var(--cream);
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  letter-spacing: 0;
  transform: rotate(8deg);
}

/* Chengdu · 雨城 */
.project-art--city {
  min-height: 17rem;
  overflow: hidden;
}

.project-city__skyline {
  position: absolute;
  inset: var(--space-5) var(--space-5) 0;
  background: linear-gradient(90deg, transparent 49.7%, rgb(20 18 16 / 9%) 50%, transparent 50.3%);
  border: 1px solid rgb(20 18 16 / 20%);
  border-bottom: 0;
}

.project-city__skyline::before,
.project-city__skyline::after {
  content: "";
  position: absolute;
  bottom: 0;
  border: 1px solid rgb(20 18 16 / 22%);
  border-bottom: 0;
}

.project-city__skyline::before {
  left: 12%;
  width: 30%;
  height: 64%;
}

.project-city__skyline::after {
  right: 10%;
  width: 25%;
  height: 42%;
}

.project-city__rain {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(105deg, transparent 0 19px, var(--ink) 20px, transparent 21px 39px);
  opacity: 0.22;
}

.project-city__word {
  position: absolute;
  top: 42%;
  left: 50%;
  z-index: 2;
  padding: 7px 4px;
  color: var(--ink);
  background: rgb(237 234 227 / 78%);
  font-size: 3rem;
  line-height: 1;
  letter-spacing: var(--ls-wide);
  writing-mode: vertical-rl;
  transform: translate(-50%, -50%);
}

.project-city__status {
  position: absolute;
  right: var(--space-5);
  bottom: var(--space-4);
  z-index: 2;
  padding: 3px 7px;
  color: var(--red);
  background: var(--cream);
  border: 1px solid var(--red);
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  transform: rotate(4deg);
}

.project-art__fallback {
  display: grid;
  place-items: center;
  height: 100%;
  min-height: 12rem;
  padding: var(--space-6);
  color: var(--ink-3);
  font-size: var(--fs-h2);
  text-align: center;
}

@media (max-width: 960px) {
  .projects-collage__group {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-6);
    height: auto;
  }

  .project-card {
    position: relative;
    inset: auto;
    width: auto;
    height: auto;
    min-height: 27rem;
  }

  .project-card--slot-0,
  .project-card--slot-3 {
    min-height: 30rem;
  }

  .project-card--slot-1,
  .project-card--slot-3 {
    margin-top: var(--space-7);
  }
}

@media (max-width: 640px) {
  .projects-hero {
    padding: 0 0 var(--space-7);
    text-align: left;
  }

  .projects-hero__kicker {
    line-height: 1.7;
  }

  .projects-hero__title {
    font-size: clamp(2.75rem, 12vw, 4rem);
  }

  .projects-hero__lead {
    margin-left: 0;
  }

  .projects-collage__group {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-6);
  }

  .projects-collage__group::before {
    display: none;
  }

  .project-card,
  .project-card--slot-0,
  .project-card--slot-1,
  .project-card--slot-2,
  .project-card--slot-3 {
    min-height: 27rem;
    margin-top: 0;
    transform: none;
  }

  .project-card--slot-0 {
    min-height: 30rem;
  }

  .project-card--slot-3 {
    min-height: 29rem;
  }

  .project-card:hover {
    transform: translateY(-3px);
  }

  .project-card__body {
    padding: var(--space-5);
  }

  .project-card__title,
  .project-card--large .project-card__title {
    font-size: 1.875rem;
  }

  .project-chat__bubble {
    max-width: 75%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .project-card,
  .project-card__arrow {
    transition: none;
  }
}