/* ── SHARED CASE STUDY SYSTEM ──────────────────────────────────────────────
   Source of truth: plaiAR implementation.
   All case study pages link this file.
   Project-specific layout CSS lives in each page's <style> block.
────────────────────────────────────────────────────────────────────────── */

:root {
  --bg:        #000;
  --text:      #e4e4e4;
  --dim:       #969696;
  --border:    rgba(255,255,255,0.15);
  --accent:    #FFA250;
  --mono:      'Red Hat Mono', ui-monospace, monospace;
  --condensed: 'PP Monument Condensed', sans-serif;
  --extended:  'PP Monument Extended', sans-serif;
  --ease:      cubic-bezier(0.22, 1, 0.36, 1);
  --card-h:    min(912px, calc(100svh - 120px));
  --card-r:    clamp(20px, 3vw, 50px);
}

html {
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: auto;
  overflow-x: hidden;
}
body { overflow-x: clip; }

/* ── PAGE TRANSITION OVERLAY ─────────────────────────────────────── */
#pgtrans {
  position: fixed; inset: 0; z-index: 9999; pointer-events: none;
  background: radial-gradient(ellipse at 50% 44%, #1d1929 0%, #12101a 62%);
  opacity: var(--pgtrans-init, 0);
}

/* ── NEXT project (fixed, behind page) ───────────────────────────── */
#cs-next-scroll {
  position: relative; height: 200svh;
}
#cs-next {
  position: sticky; top: 0; height: 100svh; overflow: hidden; background: #000;
}
/* cs-next dual-layer bg */
.cs-next-bg-top { position: absolute; inset: 0; overflow: hidden; }
.cs-next-bg-top img {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  height: 100%; width: auto;
  max-width: none; pointer-events: none;
}
.cs-next-bg-img {
  opacity: 0.1;
  will-change: opacity;
}
.cs-next-bg-top-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.8); }
.cs-next-bg-flip { display: none; }
.cs-next-overlay {
  position: absolute; inset: 0; background: #000;
  opacity: 0; pointer-events: none; z-index: 2;
}
.cs-next-label {
  position: absolute; top: clamp(28px, 47.87svh, 520px); left: 40px;
  font-family: var(--mono); font-size: 16px; line-height: 30px;
  letter-spacing: 2px; text-transform: uppercase; color: var(--text); z-index: 5;
}
.cs-next-title {
  position: absolute; left: 0; right: 0;
  bottom: clamp(20px, 4.77svh, 60px);
  display: flex; align-items: baseline; padding: 0 40px; z-index: 5;
}
.cs-next-word {
  font-family: var(--extended); font-size: clamp(36px, 4.1vw, 70px);
  font-weight: 900; line-height: 1; text-transform: uppercase;
  color: transparent; -webkit-text-stroke: 1px rgba(228,228,228,0.4);
  white-space: nowrap; flex-shrink: 0; width: 528px;
}
.cs-next-name {
  font-family: var(--extended); font-size: clamp(36px, 4.1vw, 70px);
  font-weight: 900; line-height: 1; text-transform: uppercase;
  color: var(--text); white-space: nowrap; flex: 1; text-align: center;
}
.cs-next-bar {
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 5px; background: rgba(83,80,255,0.1); z-index: 5;
}
.cs-next-bar-fill {
  height: 100%; width: 100%;
  background: rgb(83,80,255);
  transform: scaleX(0); transform-origin: left center;
}
#next-spacer { display: none; height: 0; }

/* ── PAGE WRAP ─────────────────────────────────────────────────── */
#page-wrap { position: relative; z-index: 1; background: var(--bg); }

/* ══════════════════════════════════════════════════════════
   HERO
══════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  height: 100svh;
  min-height: 600px;
  overflow: hidden;
  background: #000;
}

.hero-bg {
  position: absolute; inset: 0;
  overflow: hidden;
}
.hero-bg-wrap {
  position: absolute;
  left: 0; top: -165px;
  width: 1710px; height: 1277px;
  max-width: none;
  will-change: transform;
}
.hero-bg-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  max-width: none; object-fit: cover;
  display: block; pointer-events: none;
}
.hero-overlay {
  position: absolute; inset: -1px;
  background: linear-gradient(to top, #000 9.867%, rgba(59,0,0,0.65) 87.236%);
  pointer-events: none; z-index: 1;
}
.hero-title-svg {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(calc(-50% - 1.47px), -50%);
  width: min(2065px, 200vw);
  height: auto;
  z-index: 2;
  pointer-events: none;
  opacity: 0.85;
}

.hero-phone {
  position: absolute;
  left: 50%; top: 277px;
  transform: translateX(-50%);
  width: min(412px, 55vw);
  z-index: 3;
  will-change: transform;
  filter: drop-shadow(0 7px 60px rgba(0,0,0,0.45));
}
.hero-phone img { width: 100%; display: block; }
.hero-phone-mob { display: none; }
.hero-mob-col   { display: none; }

.hero-desc {
  position: absolute;
  left: clamp(24px, 5vw, 80px);
  bottom: clamp(60px, 8svh, 120px);
  width: min(488px, calc(100% - 48px));
  z-index: 4;
  display: flex;
  flex-direction: column;
  gap: 17px;
}
.hero-desc-title {
  font-family: var(--extended);
  font-size: clamp(13px, 1.1vw, 16px);
  font-weight: 900;
  line-height: 20px;
  letter-spacing: -0.32px;
  text-transform: uppercase;
  color: #fff;
}
.hero-desc-text {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 400;
  line-height: 21px;
  letter-spacing: 0.65px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
}

/* ══════════════════════════════════════════════════════════
   HERO CENTERED LAYOUT — shared across all case studies
══════════════════════════════════════════════════════════ */
.hero-center-block {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: min(950px, calc(100% - 80px));
  z-index: 4;
  display: flex; flex-direction: column;
  align-items: center; gap: 0;
  text-align: center; pointer-events: none;
}
.hero-center-logo { height: auto; }
.hero-center-title {
  font-family: var(--mono); font-size: clamp(13px, 1.75vw, 30px);
  font-weight: 400; line-height: normal; letter-spacing: 0.15px;
  text-transform: uppercase; color: #fff;
}
.hero-bottom-nav {
  position: absolute;
  bottom: 42px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column;
  align-items: center; z-index: 4;
}
.hero-meta-line {
  font-family: var(--mono); font-size: 13px; font-weight: 400;
  line-height: normal; letter-spacing: 0.065px;
  text-transform: uppercase; color: rgba(255,255,255,0.6);
  text-align: center; white-space: nowrap; padding-bottom: 12px;
}
#hero-expand-btn { position: relative; transform: none; margin-top: 12px; }

/* ══════════════════════════════════════════════════════════
   SCENES CONTAINER
══════════════════════════════════════════════════════════ */
.scenes {
  padding-top: 40px;
}

.scene {
  padding: 0 clamp(16px, 2.35vw, 40px);
}
.scene + .scene { padding-top: 0; margin-top: 40px; }

.scene-card {
  position: relative;
  height: var(--card-h);
  border-radius: var(--card-r);
  overflow: hidden;
  background: #000;
}

.scene-bg {
  position: absolute; inset: 0;
  overflow: hidden;
}
.scene-bg-wrap {
  position: absolute;
  will-change: transform;
}
.scene-bg-wrap.blurred { filter: blur(1.5px); }
.scene-bg-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  max-width: none;
  object-fit: cover;
  pointer-events: none;
  display: block;
}

.scene-content { position: absolute; inset: 0; z-index: 2; }

/* ── Icon + progress ring (bottom-left of card) ─── */
.scene-icon {
  position: absolute;
  left: 40px; bottom: 44px;
  width: 21px; height: 21px;
  z-index: 4;
}
.scene-ring-svg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 2;
}
.scene-ring-fill {
  fill: none;
  stroke: #FFA250;
  stroke-width: 1.5;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.1s linear;
}
.scene-icon-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: contain;
  z-index: 1;
}

/* ── Expand info buttons — visual system ─────────── */
.expand-btn {
  display: flex; align-items: center;
  padding: 12px 20px; border-radius: 12px;
  background: linear-gradient(77.48deg, rgba(209,209,255,0.1) 0%, rgba(255,192,226,0.1) 100%);
  font-family: var(--mono); font-size: 13px; font-weight: 400;
  letter-spacing: 0.65px; text-transform: uppercase;
  color: #fff; white-space: nowrap; cursor: none; transition: background 0.2s;
  --aura-size: 130px; --aura-strength: 0.14;
}
.expand-btn:hover {
  background: linear-gradient(77.48deg, rgba(209,209,255,0.18) 0%, rgba(255,192,226,0.18) 100%);
}
.scene-expand-btn { position: absolute; right: 40px; bottom: 44px; z-index: 4; }
.scene-close-btn  { position: absolute; right: 40px; bottom: 44px; }

.scene-info {
  position: absolute; inset: 0; z-index: 10;
  opacity: 0; pointer-events: none;
  transition: opacity 0.35s var(--ease);
}
.scene-info.is-open { opacity: 1; pointer-events: auto; }
.scene-info-blur {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.9) 38.371%, rgba(0,0,0,0.41) 87.236%);
}
.scene-info-text {
  position: absolute; left: 40px; bottom: 40px;
  width: min(488px, calc(100% - 140px));
  display: flex; flex-direction: column; gap: 17px;
}
.scene-info-title {
  font-family: var(--extended); font-size: 14px;
  font-weight: 900; line-height: 17px; letter-spacing: -0.28px;
  text-transform: uppercase; color: #fff;
}
.scene-info-desc {
  font-family: var(--mono); font-size: 13px; font-weight: 400;
  line-height: 21px; letter-spacing: 0.65px;
  text-transform: uppercase; color: rgba(255,255,255,0.6);
}

/* ── Hero info overlay (full-screen) ── */
#hero-info-ov {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(19, 20, 23, 0.5);
  -webkit-backdrop-filter: blur(40px);
  backdrop-filter: blur(40px);
  opacity: 0; pointer-events: none;
}
#hero-info-ov.is-open { pointer-events: auto; }

#hero-info-scroll {
  position: absolute; inset: 0;
  overflow-y: auto; overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}
html.scroll-locked { overflow: hidden; overscroll-behavior: none; }
#hero-info-content {
  padding-top: 35vh; padding-bottom: 50vh;
  padding-left: clamp(24px, 2.5vw, 40px);
  padding-right: clamp(24px, 2.5vw, 40px);
  max-width: 940px;
}

.hi-phrase {
  font-family: var(--mono);
  font-size: clamp(18px, 2.1vw, 30px);
  line-height: 1.833; letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.14);
  margin: 0; transition: color 0.3s ease;
}
.hi-phrase + .hi-phrase { margin-top: 55px; }
.hi-phrase.is-active { color: rgba(255,255,255,1); }

.hi-meta { margin-top: 110px; }
.hi-label {
  font-family: var(--mono);
  font-size: clamp(14px, 1.1vw, 21px);
  line-height: 2.619; letter-spacing: 1px;
  text-transform: uppercase; color: #fff;
  margin: 22px 0 0;
}
.hi-meta .hi-label:first-child { margin-top: 0; }
.hi-value {
  font-family: var(--mono);
  font-size: clamp(14px, 1.1vw, 21px);
  line-height: 2.619; letter-spacing: 2px;
  text-transform: uppercase; color: #6b6b6b;
  margin: 0;
}

#hero-info-close {
  position: fixed; top: 32px; right: 40px;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.5); z-index: 501; padding: 0;
  transition: color 0.2s ease;
}
#hero-info-close:hover { color: rgba(255,255,255,1); }
#hero-info-close:focus { outline: none; }
#hero-info-close:focus-visible { box-shadow: 0 0 0 1px rgba(255,255,255,0.55); border-radius: 4px; }

/* ══════════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════════ */
@media (max-width: 960px) {
  .hero-bottom-nav { display: none; }
  .scene-icon { left: 20px; bottom: 20px; }
  .scene-expand-btn, .scene-close-btn { right: 20px; bottom: 20px; }
  .scene-info-text { left: 20px; bottom: 20px; width: calc(100% - 140px); }
  .cs-next-word { width: auto; font-size: clamp(22px, 6vw, 42px); }
  .cs-next-name { font-size: clamp(22px, 6vw, 42px); text-align: left; }
  .cs-next-label { font-size: 12px; }
  .hero-bg-wrap { left: calc(50% - 855px); }
}
@media (max-width: 600px) {
  :root { --card-r: 20px; }
  .cs-next-title { flex-direction: column; gap: 4px; bottom: 60px; }
  .cs-next-word  { width: auto; }
  .hero-title-svg {
    width: 587.9px;
    left: 50%; top: 50%;
    transform: translate(-50%, -50%);
    right: auto;
  }
  .hero-phone, .hero-desc, #hero-expand-btn { display: none; }
  .hero-center-block { gap: 25px; }
  .hero-mob-col {
    display: flex; flex-direction: column; align-items: center;
    position: absolute;
    bottom: 35px; left: 50%; transform: translateX(-50%);
    width: min(346px, calc(100% - 44px));
    z-index: 4;
  }
  .hero-mob-text {
    display: flex; flex-direction: column; align-items: center;
    width: 100%; text-align: center;
  }
  .hero-mob-role {
    font-family: var(--mono); font-size: 13px; font-weight: 400;
    line-height: normal; letter-spacing: 0.065px;
    text-transform: uppercase; color: rgba(255,255,255,0.6);
    width: 100%;
  }
  .hero-mob-btn { flex-shrink: 0; margin-top: 24px; }
  .hero-phone-mob {
    display: block; flex-shrink: 0; width: 306px; margin-top: 24px;
    filter: drop-shadow(0 7px 60px rgba(0,0,0,0.45));
  }
  .hero-phone-mob img { width: 100%; display: block; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-bg-wrap, .scene-bg-wrap, .hero-phone { will-change: auto; }
}
@media (prefers-reduced-motion: reduce) {
  #cs-next-scroll { display: none; }
}