/* =====================================================================
   WOLF HOUSE PRODUCTION — Component styles
   Import after colors_and_type.css
   ===================================================================== */

/* ---------- Layout helpers ---------- */
.wh-container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}
.wh-section {
  padding-top: var(--section-pad-y);
  padding-bottom: var(--section-pad-y);
}
.wh-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; }
.wh-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-8); }

/* Section header block: label + headline */
.wh-section-head { display: flex; flex-direction: column; gap: var(--sp-4); }
.wh-section-head .wh-label::before {
  content: ""; display: inline-block; width: 28px; height: 1px;
  background: var(--accent); vertical-align: middle; margin-right: 12px;
}

/* =====================================================================
   BUTTONS
   ===================================================================== */
.btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: transform var(--dur-fast) var(--ease),
              background var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease);
}

/* Primary — electric blue */
.btn-primary {
  background: var(--accent);
  color: var(--fg-on-accent);
  padding: 18px 34px;
  border-radius: var(--r-sm);
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); }
.btn-primary:active { transform: translateY(0); }

/* Ghost — text + arrow */
.btn-ghost {
  background: transparent;
  color: var(--fg2);
  padding: 18px 0;
}
.btn-ghost .arrow { transition: transform var(--dur-fast) var(--ease); }
.btn-ghost:hover { color: var(--fg1); }
.btn-ghost:hover .arrow { transform: translateX(6px); }

/* Outline */
.btn-outline {
  background: transparent;
  color: var(--fg1);
  padding: 17px 33px;
  border: 1px solid var(--wh-line-strong);
  border-radius: var(--r-sm);
}
.btn-outline:hover { border-color: var(--fg1); transform: translateY(-2px); }

/* =====================================================================
   SERVICE CARD
   ===================================================================== */
.service-card {
  background: var(--wh-black);
  border: 1px solid var(--wh-line);
  padding: 48px 40px 56px;
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  min-height: 320px;
  transition: background var(--dur) var(--ease);
}
.service-card:hover { background: var(--surface); }
.service-card .num {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent);
}
.service-card .title {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  text-transform: uppercase;
  line-height: 1.0;
  color: var(--fg1);
  margin-top: auto;
}
.service-card .desc { font-family: var(--font-body); font-size: 15px; line-height: 1.6; color: var(--fg2); }

/* =====================================================================
   WORK CARD
   ===================================================================== */
.work-card {
  position: relative;
  overflow: hidden;
  display: block;
  aspect-ratio: 4 / 3;
  background: var(--surface);
  text-decoration: none;
}
.work-card img,
.work-card .thumb {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease);
}
.work-card:hover img,
.work-card:hover .thumb { transform: scale(1.06); }
.work-card .overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,10,10,0.92) 0%, rgba(10,10,10,0.25) 45%, rgba(10,10,10,0) 75%);
}
.work-card .meta {
  position: absolute; left: 32px; right: 32px; bottom: 30px;
  display: flex; flex-direction: column; gap: 10px;
}
.work-card .cat {
  font-family: var(--font-body); font-size: 11px; font-weight: 500;
  letter-spacing: 0.24em; text-transform: uppercase; color: var(--accent);
}
.work-card .pj-title {
  font-family: var(--font-display); font-size: clamp(26px, 2.4vw, 38px);
  text-transform: uppercase; line-height: 0.98; color: var(--fg1);
}

/* =====================================================================
   LOGO TICKER  (Chrome/Safari compatible)
   ===================================================================== */
.ticker {
  overflow: hidden;
  position: relative;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 12%, #000 88%, transparent);
          mask-image: linear-gradient(to right, transparent, #000 12%, #000 88%, transparent);
}
.ticker-track {
  display: flex;
  align-items: center;
  gap: 72px;
  animation: wh-ticker 34s linear infinite;
  width: max-content;
  will-change: transform;
}
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker-item img {
  width: auto;
  max-width: var(--logo-w, 180px);
  height: var(--logo-h, 40px);
  object-fit: contain;
  display: block;
  filter: none;
  opacity: 0.85;
  transition: opacity var(--dur-fast) var(--ease);
}
.ticker-item:hover img { opacity: 1; }
@keyframes wh-ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
/* Per-logo sizing */
.logo-vietjet { --logo-h: 34px; --logo-w: 165px; }
.logo-samsung { --logo-h: 32px; --logo-w: 168px; }
.logo-vib     { --logo-h: 36px; --logo-w: 110px; }
.logo-momo    { --logo-h: 42px; --logo-w: 58px;  }

/* =====================================================================
   MOTION — fade up on scroll
   ===================================================================== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .ticker-track { animation: none; }
}

/* =====================================================================
   FORM (contact)
   ===================================================================== */
.wh-field { display: flex; flex-direction: column; gap: 10px; }
.wh-field label {
  font-family: var(--font-body); font-size: 11px; font-weight: 500;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--fg2);
}
.wh-field input,
.wh-field select,
.wh-field textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--wh-line-strong);
  padding: 14px 0;
  font-family: var(--font-body); font-size: 16px; color: var(--fg1);
  transition: border-color var(--dur-fast) var(--ease);
}
.wh-field input::placeholder,
.wh-field textarea::placeholder { color: var(--fg3); }
.wh-field input:focus,
.wh-field select:focus,
.wh-field textarea:focus { outline: none; border-color: var(--accent); }
.wh-field select { appearance: none; cursor: pointer; }
.wh-field select option { background: var(--wh-dark-grey); color: var(--fg1); }

/* =====================================================================
   RESPONSIVE
   ===================================================================== */
@media (max-width: 900px) {
  :root { --container-pad: 24px; --section-pad-y: 80px; }
  .wh-grid-3 { grid-template-columns: 1fr; }
  .wh-grid-2 { grid-template-columns: 1fr; gap: var(--sp-7); }
  .work-card .meta { left: 22px; right: 22px; bottom: 22px; }
  .service-card { padding: 36px 28px 40px; min-height: 0; }
}