/* 07-projects.css · Home · project cards and the featured-card ignition
   Part of the Lumen stylesheet, loaded in numeric order (the cascade depends on it). */

/* ══════════ PROJECTS ══════════ */
.projects {
  display: grid;
  gap: clamp(3rem, 6vw, 4.5rem) 2rem;
}
.proj {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.proj__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  background: linear-gradient(var(--surface), var(--surface)) padding-box, var(--hairline-strong) border-box;
  box-shadow: var(--shadow);
  --mx: 50%;
  --my: 50%;
  transition: box-shadow .6s var(--ease);
}
.proj--featured .proj__media { aspect-ratio: 16 / 9; }
/* the still gets its own rounded clip: mobile browsers drop the frame's overflow radius on a transformed (GSAP) child,
   and clipping the frame itself would cut its shadow and the trace glow */
.proj__clip {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: calc(var(--radius-lg) - 1px);
  clip-path: inset(0 round calc(var(--radius-lg) - 1px));
  /* a mask makes WebKit honour the rounded clip on composited children too (the still under a tilting or filtered frame) */
  -webkit-mask-image: linear-gradient(#000, #000);
  mask-image: linear-gradient(#000, #000);
  isolation: isolate;
}
.proj__parallax {
  position: absolute;
  inset: -6% 0;
}
.proj__parallax img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease);
}
.proj:hover .proj__parallax img { transform: scale(1.04); }
.proj__media::after {
  content: "";
  position: absolute;
  inset: 0;
  /* the overlays carry the radius themselves, so a dropped overflow clip can't leave them square */
  border-radius: inherit;
  background:
    linear-gradient(to top, rgba(4, 6, 14, .66), transparent 45%),
    radial-gradient(130% 120% at 50% 40%, transparent 56%, rgba(2, 4, 12, .55) 100%);
  pointer-events: none;
}
.proj__media::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  transition: opacity .5s;
  mix-blend-mode: screen;
  background: radial-gradient(560px circle at var(--mx) var(--my), rgba(186, 230, 253, .16), rgba(253, 186, 116, .06) 35%, transparent 60%);
}
.proj:hover .proj__media::before { opacity: 1; }
.proj:hover .proj__media {
  box-shadow: var(--shadow), 0 0 0 1px rgba(56, 189, 248, .18), 0 40px 90px -50px rgba(56, 189, 248, .55);
}
.proj__bar {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .55rem 1rem;
  border-radius: var(--pill);
  border: 1px solid transparent;
  background:
    linear-gradient(rgba(4, 6, 14, .8), rgba(4, 6, 14, .8)) padding-box,
    var(--hairline-strong) border-box;
  color: var(--white);
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .18em;
  font-weight: 500;
  text-transform: uppercase;
  transition: background .3s, color .3s, box-shadow .3s;
}
.proj__bar .icon {
  width: 14px;
  height: 14px;
  transition: transform .3s var(--ease);
}
.proj:hover .proj__bar, .proj:focus-visible .proj__bar {
  background: var(--accent);
  color: var(--bg);
  box-shadow: 0 0 30px -6px rgba(253, 186, 116, .7);
}
.proj:hover .proj__bar .icon { transform: rotate(45deg); }
.proj__body {
  display: grid;
  gap: .75rem;
  align-content: start;
}
.proj__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .4rem 1rem;
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--meta);
}
.proj__index { color: var(--accent); }
.proj__title {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(1.4rem, 2.4vw, 1.875rem);
  line-height: 1.12;
  letter-spacing: -.035em;
  color: var(--white);
  transition: color .4s;
}
.proj__title em {
  display: block;
  margin-top: .35rem;
  font-family: var(--sans);
  font-weight: 400;
  font-size: .6em;
  line-height: 1.4;
  letter-spacing: -.005em;
}
.proj:hover .proj__title { color: var(--ice); }
.proj__summary {
  color: var(--muted);
  max-width: 38rem;
}
/* side-by-side cards: text runs the full width of the still above it */
@media (min-width: 900px) {
  .proj:not(.proj--featured) .proj__summary { max-width: none; }
}
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  list-style: none;
  padding: 0;
}
.tag {
  padding: .32rem .8rem;
  border-radius: var(--pill);
  border: 1px solid var(--line-2);
  background: rgba(255, 255, 255, .035);
  font-family: var(--mono);
  font-size: .62rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-2);
  transition: border-color .3s, color .3s;
}
.proj:hover .tag { border-color: rgba(56, 189, 248, .25); }
@media (min-width: 900px) {
  .projects { grid-template-columns: 1fr 1fr; }
  .proj--featured { grid-column: 1 / -1; }
}
@media (min-width: 1024px) {
  .proj--featured .proj__body {
    grid-template-columns: minmax(0, 1fr) auto;
    column-gap: 4rem;
  }
  .proj--featured .proj__meta {
    grid-column: 1;
    grid-row: 1;
  }
  .proj--featured .proj__title {
    grid-column: 1;
    grid-row: 2 / span 2;
    font-size: clamp(1.9rem, 3vw, 2.5rem);
  }
  .proj--featured .proj__summary {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: end;
    contain: inline-size;
  }
  .proj--featured .tags {
    grid-column: 2;
    grid-row: 3;
  }
}

/* ══════════ FEATURED IGNITION: the container rises out of a tilt, light draws its border, corners converge ══════════ */
/* ignition: vars default to the lit state, so nothing is hidden without script or with reduced motion */
.proj__ignite {
  position: relative;
  --tilt: 0;
  --dim: 0;
  --draw: 1;
  --c-off: 14px;
  --c-op: 1;
  --glow: 1;
}
/* the tilt and dim only exist while the card rises: at rest the frame is flat, since even rotateX(0) and brightness(1)
   keep WebKit's 3D and filter layers, and those square off the rounded clip */
.proj__ignite .proj__media { transform-origin: 50% 100%; }
.proj__ignite.is-rising .proj__media {
  transform: perspective(1600px) rotateX(calc(var(--tilt) * 16deg)) scale(calc(1 - var(--tilt) * .12)) translateY(calc(var(--tilt) * 70px));
  filter: brightness(calc(1 - var(--dim) * .58)) saturate(calc(1 - var(--dim) * .45));
}
.proj__ignite::before {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  bottom: -9%;
  height: 34%;
  z-index: -1;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(56, 189, 248, .36), rgba(79, 70, 229, .14) 55%, transparent);
  filter: blur(32px);
  opacity: calc(var(--glow) * .9);
  transform: scaleX(calc(.4 + var(--glow) * .6));
  pointer-events: none;
}
.proj__corners {
  position: absolute;
  inset: calc(-1 * var(--c-off));
  opacity: var(--c-op);
  pointer-events: none;
  --c: rgba(56, 189, 248, .6);
  background:
    linear-gradient(var(--c), var(--c)) top left / 20px 1px no-repeat,
    linear-gradient(var(--c), var(--c)) top left / 1px 20px no-repeat,
    linear-gradient(var(--c), var(--c)) top right / 20px 1px no-repeat,
    linear-gradient(var(--c), var(--c)) top right / 1px 20px no-repeat,
    linear-gradient(var(--c), var(--c)) bottom left / 20px 1px no-repeat,
    linear-gradient(var(--c), var(--c)) bottom left / 1px 20px no-repeat,
    linear-gradient(var(--c), var(--c)) bottom right / 20px 1px no-repeat,
    linear-gradient(var(--c), var(--c)) bottom right / 1px 20px no-repeat;
}
.proj__trace {
  position: absolute;
  inset: 0;
  z-index: 3;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
  filter: drop-shadow(0 0 6px rgba(56, 189, 248, .75));
  opacity: calc(.35 + (1 - var(--draw)) * .65);
}
.proj__trace path {
  fill: none;
  stroke: url(#trace-grad);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-dasharray: 1 1;
  stroke-dashoffset: calc(1 - var(--draw));
}
.proj--featured:hover .proj__corners { --c: rgba(186, 230, 253, .9); }
#projetos { overflow-x: clip; }