/* ============================================================
   Funnyeye — Collaboration subpage styles
   ============================================================
   Page-specific styles for /collaboration/* — OEM, Brand
   Partners, Past Events, plus the collaboration landing.
   Reuses chrome.css tokens (navy / gold / blue-gray, font
   stacks) and borrows the editorial card pattern from
   page-brews.css.  Every section is bilingual via the same
   inline <span lang> swap rule chrome.css applies globally.
   ============================================================ */

/* ---- Page frame (shared by all 4 collab pages) ---- */

.collab {
  margin: 96px auto 120px;
  padding: 0 var(--spacing--section-left-and-right);
  max-width: var(--containers--medium);
}

@media (max-width: 720px) {
  .collab { margin: 64px auto 96px; padding: 0 20px; }
}

/* ---- Hero ---- */

.collab-hero {
  position: relative;
  margin-bottom: 80px;
  padding: 48px 0 40px;
  border-bottom: 1px solid rgba(204, 156, 48, 0.18);
}

.collab-hero-eyebrow {
  font-family: var(--font-display);
  color: var(--colors--brand-gold-500);
  font-size: 13px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  margin: 0 0 22px;
}

:lang(zh) .collab-hero-eyebrow {
  font-family: var(--font-zh);
  letter-spacing: 0.1em;
  text-transform: none;
}

.collab-hero-title {
  font-size: clamp(2.4rem, 5.5vw, 4.4rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  font-weight: 400;
  margin: 0 0 24px;
  max-width: 22ch;
  color: var(--colors--white);
}

:lang(en) .collab-hero-title { font-family: var(--font-display); }
:lang(zh) .collab-hero-title { font-family: var(--font-zh); }

.collab-hero-lead {
  font-family: var(--font-body-en);
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  line-height: 1.65;
  max-width: 56ch;
  opacity: 0.78;
  margin: 0 0 28px;
}

:lang(zh) .collab-hero-lead {
  font-family: var(--font-zh);
  font-size: 1.1rem;
  letter-spacing: 0.04em;
}

.collab-hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 12px 24px;
  border: 1px solid var(--colors--brand-gold-500);
  border-radius: 2px;
  color: var(--colors--brand-gold-500);
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease;
}

:lang(zh) .collab-hero-cta {
  font-family: var(--font-zh);
  letter-spacing: 0.1em;
  text-transform: none;
}

.collab-hero-cta:hover,
.collab-hero-cta:focus-visible {
  background-color: var(--colors--brand-gold-500);
  color: var(--colors--brand-navy-900);
  outline: none;
}

/* ============================================================
   OEM PAGE
   ============================================================ */

/* Workflow — 5 steps.  On desktop, SVG diagram on top + numbered
   step list below.  On mobile, the SVG scales and the step list
   collapses under it. */

.oem-flow {
  margin-bottom: 96px;
}

.oem-flow-figure {
  margin: 0 0 36px;
  padding: 32px;
  background: var(--colors--brand-navy-700);
  border: 1px solid rgba(204, 156, 48, 0.28);
  border-radius: 6px;
  overflow: hidden;
}

.oem-flow-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.oem-flow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  counter-reset: oemstep;
}

@media (max-width: 900px) {
  .oem-flow-steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .oem-flow-steps { grid-template-columns: 1fr; }
}

.oem-step {
  padding: 20px 18px;
  background: var(--colors--brand-navy-700);
  border-top: 2px solid var(--colors--brand-gold-500);
  border-radius: 4px;
}

.oem-step-num {
  display: block;
  font-family: var(--font-display);
  font-size: 26px;
  color: var(--colors--brand-gold-500);
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.oem-step-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 8px;
  color: var(--colors--white);
}

:lang(zh) .oem-step-title { font-family: var(--font-zh); }
:lang(en) .oem-step-title { font-family: var(--font-display); letter-spacing: 0.02em; }

.oem-step-body {
  font-size: 0.88rem;
  line-height: 1.55;
  margin: 0;
  opacity: 0.78;
}

:lang(zh) .oem-step-body { font-family: var(--font-zh); }
:lang(en) .oem-step-body { font-family: var(--font-body-en); }

/* OEM sections (Label Design / 配方代工 / 全案訂製) */

.oem-section {
  margin-bottom: 96px;
}

.oem-section:last-child { margin-bottom: 0; }

.oem-section-head {
  margin-bottom: 40px;
  max-width: 60ch;
}

.oem-section-num {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.2em;
  color: var(--colors--brand-gold-500);
  margin-bottom: 8px;
}

.oem-section-eyebrow {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--colors--brand-blue-gray-500);
  margin: 0 0 12px;
}

.oem-section-title {
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  line-height: 1.15;
  font-weight: 400;
  margin: 0 0 16px;
  color: var(--colors--white);
}

:lang(en) .oem-section-title { font-family: var(--font-display); }
:lang(zh) .oem-section-title { font-family: var(--font-zh); }

.oem-section-intro {
  font-size: 1.05rem;
  line-height: 1.7;
  opacity: 0.78;
  margin: 0;
}

:lang(zh) .oem-section-intro { font-family: var(--font-zh); }
:lang(en) .oem-section-intro { font-family: var(--font-body-en); }

.oem-card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 900px) {
  .oem-card-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .oem-card-grid { grid-template-columns: 1fr; }
}

/* OEM card — same navy-700 + gold rule frame as brews cards so
   the page family feels consistent. */

.oem-card {
  background: var(--colors--brand-navy-700);
  border: 1px solid rgba(204, 156, 48, 0.32);
  border-top: 3px solid var(--colors--brand-gold-500);
  border-radius: 6px;
  padding: 28px 24px 32px;
  color: var(--colors--white);
}

.oem-card-icon {
  width: 36px;
  height: 36px;
  color: var(--colors--brand-gold-500);
  margin-bottom: 18px;
}

.oem-card-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.oem-card-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 10px;
  line-height: 1.35;
}

:lang(zh) .oem-card-title { font-family: var(--font-zh); }
:lang(en) .oem-card-title { font-family: var(--font-display); letter-spacing: 0.02em; }

.oem-card-body {
  font-size: 0.92rem;
  line-height: 1.65;
  opacity: 0.78;
  margin: 0;
}

:lang(zh) .oem-card-body { font-family: var(--font-zh); }
:lang(en) .oem-card-body { font-family: var(--font-body-en); }

/* ============================================================
   BRAND PARTNERS PAGE
   ============================================================ */

.partners-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 96px;
}

@media (max-width: 900px) {
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .partners-grid { grid-template-columns: 1fr; }
}

.partner-card {
  background: var(--colors--brand-navy-700);
  border: 1px solid rgba(204, 156, 48, 0.32);
  border-radius: 6px;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  color: var(--colors--white);
}

.partner-logo {
  width: 100%;
  max-width: 180px;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--colors--brand-blue-gray-500);
}

.partner-logo svg,
.partner-logo img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
}

/* Logo-less partners: typographic wordmark */
.partner-wordmark {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.35rem;
  font-style: italic;
  line-height: 1.15;
  color: var(--colors--white);
}

.partner-name {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin: 0 0 6px;
}

:lang(zh) .partner-name { font-family: var(--font-zh); }
:lang(en) .partner-name { font-family: var(--font-display); }

.partner-meta {
  font-size: 0.78rem;
  font-family: var(--font-display);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--colors--brand-gold-500);
  margin: 0;
}

/* ============================================================
   PAST EVENTS PAGE
   ============================================================ */

.events-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

@media (max-width: 900px) {
  .events-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .events-grid { grid-template-columns: 1fr; }
}

.event-card {
  background: var(--colors--brand-navy-700);
  border: 1px solid rgba(204, 156, 48, 0.32);
  border-radius: 6px;
  overflow: hidden;
  color: var(--colors--white);
  display: flex;
  flex-direction: column;
}

.event-card-media {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, #163551 0%, #0f2439 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.event-card-media img,
.event-card-media svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.event-card-body {
  padding: 22px 24px 26px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.event-date {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--colors--brand-gold-500);
  margin: 0;
}

.event-name {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0;
  line-height: 1.3;
}

:lang(zh) .event-name { font-family: var(--font-zh); }
:lang(en) .event-name { font-family: var(--font-display); letter-spacing: 0.02em; }

.event-tag {
  font-size: 0.82rem;
  opacity: 0.7;
  margin: 0;
}

:lang(zh) .event-tag { font-family: var(--font-zh); }
:lang(en) .event-tag { font-family: var(--font-body-en); }

/* ============================================================
   COLLABORATION LANDING (overview)
   ============================================================ */

.collab-overview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

@media (max-width: 900px) {
  .collab-overview-grid { grid-template-columns: 1fr; }
}

.collab-overview-card {
  background: var(--colors--brand-navy-700);
  border: 1px solid rgba(204, 156, 48, 0.32);
  border-top: 3px solid var(--colors--brand-gold-500);
  border-radius: 6px;
  padding: 36px 30px 40px;
  color: var(--colors--white);
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-decoration: none;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.collab-overview-card:hover,
.collab-overview-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--colors--brand-gold-500);
  outline: none;
}

.collab-overview-num {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.24em;
  color: var(--colors--brand-gold-500);
}

.collab-overview-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin: 0;
  line-height: 1.25;
}

:lang(zh) .collab-overview-title { font-family: var(--font-zh); }
:lang(en) .collab-overview-title { font-family: var(--font-display); }

.collab-overview-body {
  font-size: 0.95rem;
  line-height: 1.65;
  opacity: 0.78;
  margin: 0;
  flex: 1;
}

:lang(zh) .collab-overview-body { font-family: var(--font-zh); }
:lang(en) .collab-overview-body { font-family: var(--font-body-en); }

.collab-overview-arrow {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--colors--brand-gold-500);
  margin-top: 8px;
}