/* Sistema Waves / technical case study */

.waves-page main {
  position: relative;
  overflow: hidden;
}

.waves-lightbox-open { overflow: hidden; }

.waves-page main::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image: linear-gradient(rgba(var(--contrast-rgb), 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(var(--contrast-rgb), 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, black, transparent 42%);
}

.waves-hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 9.2rem 2.5rem 6rem;
}

.waves-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  gap: clamp(2.5rem, 7vw, 6.5rem);
  align-items: center;
}

.waves-hero__visual {
  min-width: 0;
  margin: 0;
  padding: 0.7rem;
  border: 1px solid var(--border);
  background: var(--bg2);
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.14);
}

.waves-frame-label,
.waves-hero__visual figcaption,
.waves-card-index,
.waves-gallery__item > span,
.waves-lightbox__bar,
.waves-lightbox__controls {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.waves-frame-label {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0.55rem 0.75rem;
  color: var(--text-dim);
}

.waves-frame-label span:first-child,
.waves-card-index,
.waves-gallery__item > span {
  color: var(--accent);
}

.waves-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.waves-hero__visual figcaption {
  padding: 0.8rem 0.55rem 0.35rem;
  color: var(--text-dim);
}

.waves-hero__copy {
  max-width: 550px;
}

.waves-hero__copy h1,
.waves-section__heading h2,
.waves-spec-card__content h2 {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: -0.045em;
}

.waves-hero__copy h1 {
  max-width: 11ch;
  margin: 1rem 0 1.35rem;
  font-size: clamp(2.4rem, 5vw, 4.7rem);
  line-height: 1.02;
}

.waves-hero__copy h1 .accent {
  display: inline;
}

.waves-hero__lead {
  max-width: 52ch;
  color: var(--text-dim);
  font-size: 1rem;
  line-height: 1.85;
}

.waves-hero__lead a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: 0.18em;
}

.waves-hero__lead a:hover { color: var(--accent); }

.waves-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 2rem;
}

.waves-hero__actions .btn-primary,
.waves-hero__actions .btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.waves-hero__actions .btn-primary span,
.waves-hero__actions .btn-ghost span {
  font-size: 1rem;
  line-height: 1;
}

.waves-hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 2.5rem;
  border: 1px solid var(--border);
  background: var(--border);
}

.waves-hero__facts div {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 1rem;
  background: var(--bg2);
}

.waves-hero__facts strong {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  color: var(--accent);
}

.waves-hero__facts span {
  color: var(--text-dim);
  font-size: 0.72rem;
}

.waves-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 5.5rem 2.5rem;
  border-top: 1px solid var(--border);
  scroll-margin-top: 78px;
}

.waves-section__heading {
  max-width: 700px;
  margin-bottom: 3rem;
}

.waves-section__heading h2 {
  max-width: 17ch;
  margin: 0.8rem 0 1rem;
  font-size: clamp(1.8rem, 3.2vw, 3rem);
  line-height: 1.08;
}

.waves-section__heading > p:last-child {
  max-width: 62ch;
  color: var(--text-dim);
  line-height: 1.8;
}

.waves-system-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  align-items: start;
}

.waves-spec-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg2);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
}

.waves-spec-card__media {
  border-bottom: 1px solid var(--border);
  background: var(--bg3);
}

.waves-spec-card__media img {
  display: block;
  width: 100%;
  aspect-ratio: 1.128 / 1;
  object-fit: cover;
}

.waves-spec-card__content { padding: 1.9rem; }

.waves-spec-card__content h2 {
  margin: 0.55rem 0 1rem;
  font-size: clamp(1.55rem, 2.5vw, 2.2rem);
}

.waves-card-intro {
  margin-bottom: 0.9rem;
  color: var(--text-dim);
  font-size: 0.85rem;
}

.waves-list {
  display: grid;
  gap: 0.48rem;
  padding-left: 1.05rem;
  color: var(--text);
  font-size: 0.78rem;
  line-height: 1.5;
}

.waves-list li::marker { color: var(--accent); }

.waves-list--plugins {
  column-count: 2;
  column-gap: 2rem;
  display: block;
}

.waves-list--plugins li {
  break-inside: avoid;
  margin-bottom: 0.48rem;
}

.waves-gallery-section { padding-bottom: 6rem; }

.waves-section__heading--gallery { margin-bottom: 2rem; }

.waves-gallery {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}

.waves-gallery__item {
  position: relative;
  display: block;
  min-width: 0;
  overflow: hidden;
  padding: 0;
  border: 1px solid var(--border);
  background: var(--bg2);
  cursor: zoom-in;
  aspect-ratio: 0.73 / 1;
  text-align: left;
}

.waves-gallery__item--wide {
  grid-column: span 2;
  aspect-ratio: 1.37 / 1;
}

.waves-gallery__item::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(135deg, transparent 55%, rgba(0, 0, 0, 0.52));
  opacity: 0;
  transition: opacity 0.2s ease;
}

.waves-gallery__item:hover::after,
.waves-gallery__item:focus-visible::after { opacity: 1; }

.waves-gallery__item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.waves-gallery__item:hover img,
.waves-gallery__item:focus-visible img { transform: scale(1.035); }

.waves-gallery__item > span {
  position: absolute;
  right: 0.8rem;
  bottom: 0.7rem;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.waves-gallery__item:hover > span,
.waves-gallery__item:focus-visible > span { opacity: 1; }

.waves-gallery__item:focus-visible,
.waves-lightbox button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.waves-lightbox[hidden] { display: none; }

.waves-lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: grid;
  place-items: center;
  padding: 2rem;
}

.waves-lightbox__backdrop {
  position: absolute;
  inset: 0;
  width: 100%;
  border: 0;
  background: rgba(4, 4, 7, 0.88);
  cursor: zoom-out;
}

.waves-lightbox__content {
  position: relative;
  z-index: 1;
  display: grid;
  width: min(92vw, 1100px);
  max-height: calc(100dvh - 4rem);
  grid-template-rows: auto minmax(0, 1fr) auto;
  padding: 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: #09090d;
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.5);
}

.waves-lightbox__bar,
.waves-lightbox__controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: rgba(255, 255, 255, 0.64);
}

.waves-lightbox__bar { padding: 0.15rem 0.2rem 0.75rem; }

.waves-lightbox__close,
.waves-lightbox__controls button {
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.waves-lightbox__close {
  padding: 0 0.35rem;
  font-size: 1.6rem;
  line-height: 1;
}

.waves-lightbox__close:hover,
.waves-lightbox__controls button:hover { color: #fff; }

.waves-lightbox__content > img {
  display: block;
  width: 100%;
  height: min(76dvh, 760px);
  object-fit: contain;
  background: #050507;
}

.waves-lightbox__controls { padding: 0.8rem 0.2rem 0.1rem; }

.waves-footer {
  gap: 1.5rem;
}

.waves-footer a:hover { color: var(--accent); }

@media (max-width: 980px) {
  .waves-hero__grid { grid-template-columns: 1fr; }
  .waves-hero__copy { max-width: 700px; }
  .waves-hero__copy h1 { max-width: 14ch; }
  .waves-system-grid { grid-template-columns: 1fr; }
  .waves-spec-card { display: grid; grid-template-columns: minmax(260px, 0.85fr) minmax(0, 1.15fr); }
  .waves-spec-card__media { border-right: 1px solid var(--border); border-bottom: 0; }
  .waves-spec-card__media img { height: 100%; }
}

@media (max-width: 768px) {
  .waves-hero { padding: 7rem 1.5rem 4rem; }
  .waves-section { padding: 4rem 1.5rem; }
  .waves-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .waves-gallery__item--wide { grid-column: span 2; }
}

@media (max-width: 640px) {
  .waves-hero__copy h1 { font-size: clamp(2.25rem, 12vw, 3.4rem); }
  .waves-hero__actions { flex-direction: column; align-items: stretch; }
  .waves-hero__actions .btn-primary,
  .waves-hero__actions .btn-ghost { justify-content: space-between; }
  .waves-hero__facts { grid-template-columns: 1fr; }
  .waves-hero__facts div { display: grid; grid-template-columns: 3rem 1fr; align-items: baseline; padding: 0.7rem 0.9rem; }
  .waves-spec-card { display: block; }
  .waves-spec-card__media { border-right: 0; border-bottom: 1px solid var(--border); }
  .waves-spec-card__media img { height: auto; }
  .waves-spec-card__content { padding: 1.35rem; }
  .waves-list--plugins { column-count: 1; }
  .waves-lightbox { padding: 0.75rem; }
  .waves-lightbox__content { width: 100%; max-height: calc(100dvh - 1.5rem); }
  .waves-lightbox__content > img { height: min(78dvh, 680px); }
  .waves-footer { gap: 0.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  .waves-gallery__item img,
  .waves-gallery__item::after,
  .waves-gallery__item > span { transition: none; }
}