/* Delta Chip Holdings design preview — portfolio, services, packages, form and viewer. */

/* Featured work */
.project-grid { display: grid; gap: clamp(1.5rem, 3vw, 2.25rem); }

.project-card {
  display: grid;
  gap: 1.1rem;
  min-width: 0;
  align-content: start;
  color: inherit;
  text-decoration: none;
}

.project-card__shot {
  display: block;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--navy-900);
  box-shadow: var(--shadow-sm);
}

.project-card__shot .shot { aspect-ratio: 16 / 10; border-radius: calc(var(--radius) - 1px); }

.project-card__body { display: grid; gap: 0.35rem; }
.project-card__label { color: var(--blue); font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.09em; text-transform: uppercase; }
.project-card__name { font-size: clamp(1.3rem, 2.4vw, 2rem); font-weight: 660; letter-spacing: -0.035em; }
.project-card__summary { max-width: 48ch; color: var(--ink-soft); font-size: 0.94rem; }
.project-card__links { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; margin-top: 0.35rem; }
.project-card__links a { color: var(--navy-700); font-weight: 650; }
.project-card__links a:hover { color: var(--blue); }
.project-card__links .is-quiet { color: var(--muted); font-weight: 600; }

a.project-card:hover .project-card__name { color: var(--navy-700); }
a.project-card:hover .project-card__shot { box-shadow: var(--shadow-md); }

/* Services */
.service-list { border-top: 1px solid var(--line); }

.service-row {
  display: grid;
  gap: 0.8rem;
  padding-block: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.service-row__number { color: var(--red); font-family: var(--font-mono); font-size: 0.72rem; font-weight: 650; }
.service-row__main h3 { font-size: clamp(1.5rem, 3.2vw, 2.6rem); }
.service-row__main p { margin-top: 0.45rem; max-width: 48ch; color: var(--ink-soft); }
.service-row__detail summary { width: fit-content; color: var(--navy-700); font-size: 0.88rem; font-weight: 650; }
.service-row__detail p { margin-top: 0.65rem; max-width: 52ch; color: var(--muted); font-size: 0.92rem; }

/* Differentiation columns */
.value-grid { display: grid; gap: 1.75rem; }
.value-column { padding-top: 1rem; border-top: 3px solid var(--navy-700); }
.value-column:nth-child(2) { border-color: var(--blue); }
.value-column:nth-child(3) { border-color: var(--red); }
.value-column h3 { margin-top: 0.8rem; font-size: clamp(1.25rem, 2.2vw, 1.85rem); }
.value-column p { margin-top: 0.65rem; color: var(--ink-soft); }
.value-column__index { font-family: var(--font-mono); font-size: 0.7rem; color: var(--muted); }

/* Process */
.process-list { position: relative; display: grid; border-top: 1px solid var(--line); }
.process-step { display: grid; grid-template-columns: 2.75rem minmax(0, 1fr); gap: 0.85rem; padding-block: 1.3rem; border-bottom: 1px solid var(--line); }
.process-step__number { color: var(--red); font-family: var(--font-mono); font-size: 0.75rem; font-weight: 650; }
.process-step h3 { font-size: clamp(1.2rem, 2.1vw, 1.7rem); }
.process-step p { margin-top: 0.4rem; max-width: 58ch; color: var(--ink-soft); }

/* Decorative progress rail: image/line only, never covers text. */
.process-progress { display: none; }
.process-list[data-process-enhanced="true"] { padding-left: 1.6rem; }
.process-list[data-process-enhanced="true"] .process-progress {
  position: absolute;
  z-index: 1;
  left: 0.34rem;
  top: 0.6rem;
  bottom: 0.6rem;
  display: block;
  width: 2px;
  background: linear-gradient(180deg, var(--blue), var(--red));
  transform-origin: top center;
  pointer-events: none;
}
.process-list[data-process-enhanced="true"] .process-step { grid-template-columns: 2.4rem minmax(0, 1fr); }

/* Packages */
.package-grid { display: grid; gap: 1rem; margin-top: 2rem; }

.package-card {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  min-width: 0;
  padding: clamp(1.3rem, 2.6vw, 1.9rem);
  border: 1px solid var(--line);
  border-top: 4px solid var(--navy-700);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.package-card--gold { border-top-color: var(--blue); }
.package-card--platinum { border-top-color: var(--red); }
.package-card__top { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.package-card__top h3 { font-size: clamp(1.35rem, 2.2vw, 1.8rem); }
.package-card__price { color: var(--navy-700); font-family: var(--font-mono); font-size: 1.05rem; font-weight: 700; white-space: nowrap; }
.package-card__lead { font-size: 1.02rem; font-weight: 650; }
.package-card__body,
.package-card__includes,
.package-card__qualifier { color: var(--ink-soft); font-size: 0.94rem; }
.package-card__qualifier { color: var(--muted); font-size: 0.84rem; }
.package-card .btn { margin-top: auto; }
.btn--package { border-color: var(--line-strong); width: 100%; }
.btn--package:hover { background: var(--navy-700); border-color: var(--navy-700); color: var(--white); }

.package-note { margin-top: 1.4rem; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.88rem; }

.package-mini-grid { display: grid; gap: 0.7rem; }
.package-mini {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.3rem 1rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  text-decoration: none;
}
.package-mini:hover { border-color: var(--navy-700); }
.package-mini__name { font-weight: 650; }
.package-mini__price { color: var(--navy-700); font-family: var(--font-mono); font-weight: 700; }
.package-mini__scope { grid-column: 1 / -1; color: var(--muted); font-size: 0.86rem; }

/* Growth checklist */
.growth-grid { display: grid; gap: 0.6rem 2rem; }
.growth-item { display: grid; grid-template-columns: 1rem minmax(0, 1fr); gap: 0.7rem; padding-block: 0.7rem; border-bottom: 1px solid var(--line); }
.growth-item::before { content: ""; width: 8px; height: 8px; margin-top: 0.5rem; background: var(--red); }

/* FAQ */
.faq-list { display: grid; border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 1.1rem; font-size: clamp(1rem, 1.6vw, 1.2rem); font-weight: 650; }
.faq-item summary::after { content: "+"; flex: none; color: var(--red); font-family: var(--font-mono); }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { max-width: 70ch; padding-bottom: 1.1rem; color: var(--ink-soft); }

/* Case study */
.case-facts { padding-block: clamp(2rem, 4vw, 3.25rem); background: var(--paper-2); }
.fact-grid { display: grid; border-top: 1px solid var(--line); }
.fact-row { display: grid; grid-template-columns: minmax(7rem, 0.4fr) minmax(0, 1fr); gap: 0.25rem 1rem; padding-block: 0.75rem; border-bottom: 1px solid var(--line); }
.fact-row dt { color: var(--muted); font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; }
.fact-row dd { margin: 0; }

.case-visual { display: grid; gap: 0.75rem; }
.case-visual__frame { border: 1px solid var(--line); border-radius: var(--radius); background: var(--navy-900); box-shadow: var(--shadow-md); }
.case-visual__frame .shot { aspect-ratio: 16 / 9; border-radius: calc(var(--radius) - 1px); }
.case-visual__caption { color: var(--muted); font-size: 0.86rem; }

.case-section { display: grid; gap: 0.5rem; padding-block: clamp(1.5rem, 3vw, 2.25rem); border-top: 1px solid var(--line); }
.case-section:first-child { border-top: 0; padding-top: 0; }
.case-section__label { color: var(--red); font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.09em; text-transform: uppercase; }
.case-section__body h2 { font-size: clamp(1.4rem, 2.6vw, 2.1rem); }
.case-section__body p { margin-top: 0.7rem; max-width: 68ch; color: var(--ink-soft); }
.case-section__body p + p { margin-top: 0.6rem; }
.case-notes { display: grid; gap: 0.5rem; margin-top: 1rem; }
.case-notes li { display: grid; grid-template-columns: 1rem minmax(0, 1fr); gap: 0.65rem; color: var(--ink-soft); }
.case-notes li::before { content: ""; width: 7px; height: 7px; margin-top: 0.5rem; background: var(--blue); }

.shot-grid { display: grid; gap: 1rem; }
.shot-grid figure { display: grid; gap: 0.6rem; }
/* Reserve the frame height before the lazy capture loads, so nothing below the
   grid is pushed down while scrolling. */
.shot-grid .shot { aspect-ratio: var(--shot-ratio, 16 / 10); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.shot-grid .shot img { transition: transform 420ms var(--ease-out); }
.shot-grid a.shot:hover img { transform: scale(1.02); }
.shot-grid figcaption { color: var(--muted); font-size: 0.86rem; }
.shot-grid .shot { cursor: zoom-in; }
.shot-grid--wide > :first-child { grid-column: 1 / -1; }

.next-work { display: grid; gap: 0.65rem; margin-top: 1.5rem; }
.next-work > div { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.5rem 1rem; padding-block: 0.9rem; border-bottom: 1px solid var(--line); font-weight: 650; }
.next-work > div span { color: var(--muted); font-size: 0.88rem; font-weight: 500; }

/* Full-page screenshot viewer */
.viewer {
  width: min(1100px, 94vw);
  max-height: 92vh;
  padding: 0;
  border: 0;
  border-radius: var(--radius);
  background: var(--navy-900);
  color: var(--white);
  box-shadow: var(--shadow-lg);
}
.viewer::backdrop { background: rgba(4, 10, 20, 0.82); }
.viewer__head { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem; padding: 0.9rem 1.1rem; border-bottom: 1px solid var(--line-inverse); }
.viewer__title { font-weight: 650; }
.viewer__meta { color: #93a6c4; font-size: 0.82rem; }
.viewer__actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-left: auto; }
.viewer__body { max-height: calc(92vh - 4.5rem); overflow: auto; padding: 1rem; }
.viewer__body img { width: 100%; height: auto; border-radius: var(--radius-sm); }
.viewer__close { border: 1px solid var(--line-inverse-strong); border-radius: var(--radius-sm); background: transparent; color: var(--white); padding: 0.5rem 0.8rem; font-size: 0.88rem; font-weight: 650; }
.viewer__close:hover { background: rgba(255, 255, 255, 0.1); }

/* Demo form */
.demo-notice { display: grid; gap: 0.4rem; padding: 1rem 1.15rem; border-left: 4px solid var(--red); border-radius: var(--radius-sm); background: rgba(224, 30, 43, 0.07); }
.demo-notice strong { font-size: 1rem; }
.demo-notice p { color: var(--ink-soft); font-size: 0.9rem; }

.selection-summary { padding: 1rem 1.15rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); }
.selection-summary__label { color: var(--navy-700); font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; }
.selection-summary__value { margin-top: 0.35rem; font-weight: 650; }

.project-form { display: grid; gap: 1.5rem; margin-top: 1.75rem; }
.form-section { display: grid; gap: 1rem; padding: 0; border: 0; }
.form-section + .form-section { padding-top: 1.5rem; border-top: 1px solid var(--line); }
.form-section legend { padding: 0; font-size: clamp(1.15rem, 2.1vw, 1.55rem); font-weight: 650; letter-spacing: -0.03em; }
.form-grid { display: grid; gap: 1rem; }
.field { display: grid; gap: 0.4rem; min-width: 0; }
.field label,
.field-label { font-weight: 650; font-size: 0.92rem; }
.field-hint { color: var(--muted); font-size: 0.82rem; }
.optional { color: var(--muted); font-weight: 500; }

.field input,
.field select,
.field textarea,
.form-section select {
  width: 100%;
  min-height: 48px;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-size: 1rem;
}

.field textarea { min-height: 10rem; resize: vertical; line-height: 1.5; }
.field input[aria-invalid="true"],
.field select[aria-invalid="true"],
.field textarea[aria-invalid="true"] { border-color: #92a6c0; background: var(--surface); }
.field-error { color: var(--red-deep); font-size: 0.84rem; font-weight: 650; }

.check-grid { display: grid; gap: 0.55rem; }
.check { display: grid; grid-template-columns: 1.25rem minmax(0, 1fr); gap: 0.65rem; align-items: start; padding: 0.65rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); font-size: 0.92rem; }
.check:has(input:checked) { border-color: var(--navy-700); background: rgba(16, 48, 88, 0.06); }
.check input { width: 1.15rem; height: 1.15rem; margin: 0.1rem 0 0; accent-color: var(--navy-700); }
.check input[aria-invalid="true"] { outline: 2px solid var(--red-deep); outline-offset: 2px; }

.consent { display: grid; grid-template-columns: 1.25rem minmax(0, 1fr); gap: 0.7rem; align-items: start; }
.consent input { width: 1.15rem; height: 1.15rem; margin-top: 0.2rem; accent-color: var(--navy-700); }
.form-actions { display: flex; flex-wrap: wrap; gap: 0.7rem; align-items: center; }
.form-status { min-height: 1.4em; color: var(--red-deep); font-size: 0.88rem; font-weight: 650; }

.form-result { margin-top: 1.75rem; padding: clamp(1.4rem, 3.5vw, 2.25rem); border: 2px solid var(--navy-700); border-radius: var(--radius); background: var(--surface); }
.form-result h2 { margin-top: 0.6rem; font-size: clamp(1.7rem, 3.4vw, 2.6rem); }
.form-result p { margin-top: 0.85rem; max-width: 72ch; color: var(--ink-soft); }
.result-actions { display: flex; flex-wrap: wrap; gap: 0.65rem; margin-top: 1.4rem; }
.result-note { color: var(--muted) !important; font-size: 0.84rem; }

/* Fixed scroll progress: decorative line only, never text. */
.scroll-progress {
  position: fixed;
  z-index: 80;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: 0 50%;
  pointer-events: none;
}

@media (min-width: 640px) {
  .project-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .project-card--feature { grid-column: 1 / -1; grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr); align-items: center; gap: clamp(1.25rem, 3vw, 2.25rem); }
  .project-card--feature .project-card__shot .shot { aspect-ratio: 16 / 9; }
  .value-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .package-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .growth-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .form-grid--two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .check-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .shot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 900px) {
  .service-row { grid-template-columns: 3.5rem minmax(0, 1.2fr) minmax(0, 0.8fr) auto; align-items: start; gap: 1.5rem; }
  .service-row__number { padding-top: 0.5rem; }
  .service-row__detail { padding-top: 0.5rem; }
  .service-row .text-link { padding-top: 0.5rem; }
  .form-grid--three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .project-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .project-card--feature { grid-column: 1 / -1; grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 0.65fr); }
}

@media (max-width: 374px) {
  .menu-toggle__label { display: none; }
  .package-card__top { display: grid; gap: 0.25rem; }
  .package-card__price { white-space: normal; }
}