/* =============================================================
   7days — Homepage
   Sections: intro, problem, who, what-we-do, folder CTA, team,
             booking, footer
   ============================================================= */

/* --- Section 1 — Immersive intro ----------------------------- */
.intro {
  position: relative;
  height: 360svh;
  min-height: 2600px;
  width: 100%;
  background: #000;
  overflow: visible;
  color: #fff;
  padding: 0;
  touch-action: pan-y;
}
.intro-stage {
  position: sticky;
  top: 0;
  width: 100%;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
}
.intro-video {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  min-width: 100%;
  min-height: 100%;
  object-fit: cover;
  object-position: center center;
  background: #000;
  filter: brightness(0.78) contrast(1.05) saturate(0.95);
  will-change: transform, opacity;
}
.intro-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 35%, rgba(0,0,0,0) 0%, rgba(0,0,0,0.35) 60%, rgba(0,0,0,0.78) 100%),
    linear-gradient(180deg, rgba(0,0,0,0.45) 0%, rgba(0,0,0,0.1) 30%, rgba(0,0,0,0.65) 100%);
  z-index: 2;
}
.intro-grain { z-index: 3; }

.intro-content {
  position: relative;
  z-index: 4;
  width: 100%;
  height: 100vh;
  height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: calc(var(--header-h) + 60px) var(--pad-x) 60px;
}

.intro-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,0.75);
}
.intro-eyebrow .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 0 6px rgba(178,30,53,0.18);
  animation: pulse 2.4s var(--ease-in-out) infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 6px rgba(178,30,53,0.18); }
  50%      { box-shadow: 0 0 0 10px rgba(178,30,53,0); }
}

.intro-headline {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(46px, 9vw, 156px);
  line-height: 0.92;
  letter-spacing: -0.035em;
  color: #fff;
  margin-top: auto;
  max-width: 14ch;
}
.intro-headline em {
  font-style: italic;
  color: var(--c-accent);
  font-variation-settings: "opsz" 120;
}

.intro-meta {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-top: 32px;
  color: rgba(255,255,255,0.75);
  font-size: 13px;
  letter-spacing: 0.04em;
}
.intro-meta .line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,0.4), rgba(255,255,255,0));
  margin: 0 24px 4px;
}

.scroll-cue {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
}
.scroll-cue .bar {
  width: 1px; height: 36px;
  background: linear-gradient(180deg, rgba(255,255,255,0.6), rgba(255,255,255,0));
  animation: drop 1.8s var(--ease-in-out) infinite;
}
@keyframes drop {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* --- Section 2 — The Problem --------------------------------- */
.problem {
  background: var(--c-paper);
  color: var(--c-ink);
  padding: clamp(100px, 16vh, 180px) 0;
}
.problem .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(48px, 8vh, 80px);
}
.problem-eyebrow { color: var(--c-accent); }
.problem-lead {
  font-family: var(--f-display);
  font-size: clamp(34px, 4.6vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  max-width: 22ch;
  font-weight: 400;
}
.problem-lead em { font-style: italic; color: var(--c-accent); }

.problem-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
.problem-body p {
  font-size: clamp(16px, 1.15vw, 19px);
  line-height: 1.65;
  color: var(--c-muted);
  max-width: 52ch;
  margin-bottom: 22px;
}
.problem-body p strong { color: var(--c-ink); font-weight: 600; }

.problem-quote {
  position: relative;
  padding: 38px 36px;
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, var(--c-paper-warm), var(--c-paper-deep));
  border: 1px solid var(--c-line-soft);
  box-shadow: var(--shadow-1);
}
.problem-quote::before {
  content: "“";
  position: absolute;
  top: -8px; left: 22px;
  font-family: var(--f-display);
  font-size: 96px;
  color: var(--c-accent);
  line-height: 1;
}
.problem-quote p {
  font-family: var(--f-display);
  font-size: clamp(20px, 1.6vw, 26px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin-top: 28px;
}
.problem-quote .author {
  display: block;
  margin-top: 18px;
  font-family: var(--f-body);
  font-size: 13px;
  color: var(--c-muted);
  letter-spacing: 0.03em;
}

.problem-emphasis {
  position: relative;
  margin-top: clamp(40px, 8vh, 80px);
  text-align: center;
  padding: clamp(56px, 9vh, 120px) 0;
}
.problem-emphasis .stencil {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 0;
  font-family: var(--f-display);
  font-size: clamp(180px, 30vw, 460px);
  color: var(--c-paper-warm);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.85;
  pointer-events: none;
  user-select: none;
}
.problem-emphasis .stencil span { display: block; }
.problem-emphasis h2 {
  position: relative;
  z-index: 1;
  font-family: var(--f-display);
  font-size: clamp(38px, 6.2vw, 96px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  max-width: 16ch;
  margin: 0 auto;
  font-weight: 400;
}
.problem-emphasis h2 mark {
  background: var(--c-accent);
  color: #fff;
  padding: 0.05em 0.18em 0.12em;
  border-radius: 6px;
  font-style: italic;
  font-weight: 400;
}

/* --- Section 3 — Who we work with ---------------------------- */
.who {
  background: var(--c-ink);
  color: var(--c-paper);
  padding: clamp(100px, 16vh, 180px) 0;
}
.who .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(48px, 7vh, 80px);
}
.who-eyebrow { color: var(--c-accent); }
.who h2 {
  font-family: var(--f-display);
  font-size: clamp(46px, 8vw, 130px);
  line-height: 0.94;
  letter-spacing: -0.03em;
  max-width: 14ch;
  font-weight: 400;
}
.who h2 em { font-style: italic; color: var(--c-accent); }

.who-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 2vw, 32px);
}
.who-card {
  position: relative;
  padding: 32px 28px;
  border-radius: var(--r-lg);
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  transition: transform var(--t-fast) var(--ease-out),
              background var(--t-fast) var(--ease-out),
              border-color var(--t-fast) var(--ease-out);
}
.who-card:hover {
  transform: translateY(-4px);
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.14);
}
.who-card .num {
  font-family: var(--f-display);
  font-size: 56px;
  color: var(--c-accent);
  line-height: 1;
  margin-bottom: 18px;
  font-weight: 400;
}
.who-card h3 {
  font-family: var(--f-display);
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}
.who-card p {
  color: rgba(255,255,255,0.65);
  font-size: 15px;
  line-height: 1.55;
}

.who-body {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
.who-body .lead {
  font-family: var(--f-display);
  font-size: clamp(22px, 2vw, 30px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  max-width: 24ch;
}
.who-body .body p {
  color: rgba(255,255,255,0.72);
  font-size: 17px;
  line-height: 1.65;
  max-width: 52ch;
  margin-bottom: 18px;
}
.who-body .body p strong { color: #fff; font-weight: 600; }

/* --- Section 4 — What we do (diagonal scroll) ---------------- */
.what {
  background: var(--c-paper-warm);
  color: var(--c-ink);
  padding: 0;
  overflow: hidden;
}
.what-header {
  padding: clamp(100px, 14vh, 160px) 0 clamp(60px, 8vh, 100px);
  position: relative;
  z-index: 2;
}
.what-header .eyebrow { color: var(--c-accent); }
.what-header h2 {
  font-family: var(--f-display);
  font-size: clamp(38px, 6vw, 96px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  max-width: 22ch;
  margin-top: 18px;
  font-weight: 400;
}
.what-header h2 em { font-style: italic; color: var(--c-accent); }
.what-header .sub {
  margin-top: 22px;
  max-width: 60ch;
  color: var(--c-muted);
  font-size: 18px;
  line-height: 1.6;
}

/* "What we do" — natural scroll, no pinning. Services flow in a
   responsive two-column list with subtle diagonal offset to keep
   the layout dynamic. Each card reveals on enter. */
.what-stage {
  position: relative;
  padding: 0 0 clamp(80px, 12vh, 140px);
  z-index: 1;
}
.what-rail {
  position: relative;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(16px, 2vw, 28px);
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

.service {
  position: relative;
  grid-column: span 6;
  padding: clamp(28px, 3.4vw, 48px);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, #fffaf3, #f4ebde);
  border: 1px solid rgba(14, 14, 16, 0.08);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.7),
    0 12px 32px rgba(14, 14, 16, 0.06);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(18px, 2.4vw, 32px);
  align-items: start;
  overflow: hidden;
  isolation: isolate;
  transition: transform 0.45s var(--ease-out),
              box-shadow 0.45s var(--ease-out),
              border-color 0.45s var(--ease-out);
}
.service::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--r-lg);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='1.2' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.05 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  opacity: 0.5;
  mix-blend-mode: multiply;
  pointer-events: none;
  z-index: -1;
}
.service:hover {
  transform: translateY(-4px);
  border-color: rgba(178, 30, 53, 0.18);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.85),
    0 24px 48px rgba(14, 14, 16, 0.10);
}

/* Diagonal stagger: alternate cards drop slightly */
.service:nth-child(even) { margin-top: clamp(20px, 4vw, 64px); }
.service:nth-child(3),
.service:nth-child(6) { transform: translateX(2%); }
.service:nth-child(3):hover,
.service:nth-child(6):hover { transform: translateX(2%) translateY(-4px); }

.service-num {
  font-family: var(--f-display);
  font-size: clamp(64px, 7vw, 112px);
  font-weight: 400;
  line-height: 0.9;
  color: var(--c-accent);
  letter-spacing: -0.04em;
}
.service-body { min-width: 0; }
.service-body h3 {
  font-family: var(--f-display);
  font-size: clamp(26px, 2.4vw, 40px);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.02;
  color: var(--c-ink);
  margin-bottom: 12px;
}
.service-body p {
  font-size: clamp(14px, 1vw, 17px);
  line-height: 1.55;
  color: var(--c-muted);
  max-width: 42ch;
}

/* Counter floats at top of section as a label */
.what-counter {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 6px 14px;
  border: 1px solid rgba(14, 14, 16, 0.08);
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.55);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-muted);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  margin-bottom: clamp(28px, 4vh, 48px);
}
.what-counter strong {
  color: var(--c-ink);
  font-weight: 600;
  font-family: var(--f-body);
  font-size: 12px;
  letter-spacing: 0.06em;
}

/* --- Section 5 — Folder CTA ---------------------------------- */
.work-cta-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: #F5EDE4;
  overflow: hidden;
  position: relative;
  padding: 60px 24px;
  text-align: center;
}
.work-cta-wrapper .ghost-word {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--f-display);
  font-size: clamp(220px, 36vw, 520px);
  font-weight: 400;
  line-height: 0.85;
  letter-spacing: -0.06em;
  color: rgba(14,14,16,0.06);
  pointer-events: none;
  user-select: none;
  z-index: 0;
}
.work-cta-wrapper .above-text {
  position: relative;
  z-index: 2;
  font-family: var(--f-display);
  font-size: clamp(22px, 2vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--c-ink);
  margin-bottom: 36px;
  max-width: 24ch;
}
.work-cta-wrapper .above-text em { font-style: italic; color: var(--c-accent); }

/* --- Folder (CSS / SVG based) -------------------------------- */
.folder-wrapper {
  position: relative;
  display: block;
  width: 320px;
  height: 240px;
  z-index: 3;
  cursor: pointer;
  transition: transform 0.45s var(--ease-out);
}
.folder-wrapper:hover { transform: translateY(-6px); }

.folder-back {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 18px 30px rgba(178, 30, 53, 0.22))
          drop-shadow(0 4px 8px rgba(14, 14, 16, 0.10));
  z-index: 1;
}

/* The "papers" peeking out of the folder above the front panel */
.folder-papers {
  position: absolute;
  top: 24px; left: 18px; right: 18px;
  height: 24px;
  z-index: 2;
  pointer-events: none;
}
.folder-papers .paper {
  position: absolute;
  left: 0; right: 0;
  height: 12px;
  border-radius: 4px 4px 0 0;
  background: #fbf6ef;
  box-shadow: 0 -1px 2px rgba(14, 14, 16, 0.06);
  transition: transform 0.5s var(--ease-out);
}
.folder-papers .paper-1 {
  top: 0;
  left: 8px; right: 8px;
  background: #efe6da;
}
.folder-papers .paper-2 {
  top: 6px;
  left: 16px; right: 16px;
  background: #f5ede4;
}
.folder-papers .paper-3 {
  top: 12px;
  left: 4px; right: 4px;
  background: #fbf6ef;
}
.folder-wrapper:hover .paper-1 { transform: translateY(-10px); }
.folder-wrapper:hover .paper-2 { transform: translateY(-6px); }
.folder-wrapper:hover .paper-3 { transform: translateY(-12px); }

.folder-front {
  position: absolute;
  inset: 38px 0 0 0;
  border-radius: 8px 8px 12px 12px;
  background: linear-gradient(180deg, var(--c-accent) 0%, #9a1a2e 100%);
  display: block;
  z-index: 3;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.16),
    inset 0 -1px 0 rgba(0, 0, 0, 0.18),
    0 14px 28px rgba(178, 30, 53, 0.22);
  transition: transform 0.5s var(--ease-out), box-shadow 0.5s var(--ease-out);
  overflow: hidden;
}
.folder-front::after {
  /* Soft top highlight to suggest a fold */
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 36px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0));
  pointer-events: none;
}
.folder-wrapper:hover .folder-front {
  transform: translateY(-6px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.20),
    inset 0 -1px 0 rgba(0, 0, 0, 0.20),
    0 26px 48px rgba(178, 30, 53, 0.32);
}

.folder-tag {
  position: absolute;
  top: 16px; left: 16px;
  padding: 4px 11px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #fff;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  z-index: 2;
}

.folder-mark {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--f-display);
  font-size: 116px;
  font-weight: 400;
  line-height: 1;
  color: rgba(255, 255, 255, 0.96);
  letter-spacing: -0.03em;
  text-shadow: 0 2px 0 rgba(0, 0, 0, 0.12);
  z-index: 1;
}

.folder-arrow {
  position: absolute;
  bottom: 14px; right: 14px;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--c-paper);
  color: var(--c-accent);
  display: grid;
  place-items: center;
  opacity: 0;
  transform: translate(6px, 6px) scale(0.86);
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
  z-index: 4;
  box-shadow: 0 6px 16px rgba(14, 14, 16, 0.18);
}
.folder-wrapper:hover .folder-arrow {
  opacity: 1;
  transform: translate(0, 0) scale(1);
}

.work-cta-wrapper .below-text {
  position: relative;
  z-index: 2;
  margin-top: 56px;
  font-size: 13px;
  color: var(--c-muted);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
/* --- Section 6 — Team ---------------------------------------- */
.team {
  background: var(--c-paper);
  color: var(--c-ink);
  padding: clamp(100px, 16vh, 180px) 0;
}
.team-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: end;
  margin-bottom: clamp(48px, 8vh, 80px);
}
.team h2 {
  font-family: var(--f-display);
  font-size: clamp(46px, 7vw, 112px);
  line-height: 0.96;
  letter-spacing: -0.03em;
  max-width: 14ch;
  font-weight: 400;
}
.team h2 em { font-style: italic; color: var(--c-accent); }
.team-head p {
  font-size: 17px;
  line-height: 1.6;
  color: var(--c-muted);
  max-width: 48ch;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(16px, 1.6vw, 24px);
}
.team-card {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-radius: var(--r-md);
  background: var(--c-paper-deep);
  border: 1px solid var(--c-line-soft);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 22px;
  isolation: isolate;
}
.team-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 30%, rgba(178,30,53,0.05), transparent 60%),
    linear-gradient(180deg, var(--c-paper-warm), var(--c-paper-deep));
  z-index: -2;
}
.team-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='1.4' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.07 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  opacity: 0.6;
  mix-blend-mode: multiply;
  z-index: -1;
  pointer-events: none;
}
.team-card .silhouette {
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 72%;
  height: 70%;
  background: linear-gradient(180deg, rgba(14,14,16,0.55), rgba(14,14,16,0.9));
  border-radius: 200px 200px 14px 14px;
  z-index: -1;
}
.team-card .silhouette::before {
  content: "";
  position: absolute;
  top: -22%;
  left: 50%;
  transform: translateX(-50%);
  width: 44%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: linear-gradient(180deg, rgba(14,14,16,0.85), rgba(14,14,16,0.7));
}
.team-card h3 {
  font-family: var(--f-display);
  font-size: 22px;
  font-weight: 400;
  color: #fff;
  letter-spacing: -0.01em;
}
.team-card .role {
  font-size: 12px;
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 6px;
}
.team-card .prior {
  position: absolute;
  top: 16px; left: 16px; right: 16px;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.85);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.25;
  background: rgba(0,0,0,0.2);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.team-foot {
  margin-top: clamp(40px, 6vh, 80px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  padding-top: 32px;
  border-top: 1px solid var(--c-line);
}
.team-foot .stat .num {
  font-family: var(--f-display);
  font-size: clamp(42px, 4vw, 64px);
  color: var(--c-ink);
  line-height: 1;
  font-weight: 400;
}
.team-foot .stat .lbl {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-top: 6px;
}

/* --- Section 7 — Booking ------------------------------------- */
.book {
  background: var(--c-ink);
  color: var(--c-paper);
  padding: clamp(100px, 16vh, 180px) 0;
  position: relative;
  overflow: hidden;
}
.book::before {
  content: "";
  position: absolute;
  inset: -40% -10% auto auto;
  width: 70vw;
  height: 70vw;
  background: radial-gradient(circle at 50% 50%, rgba(178,30,53,0.32), rgba(178,30,53,0) 60%);
  filter: blur(20px);
  z-index: 0;
}
.book .container { position: relative; z-index: 1; }
.book-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: end;
  margin-bottom: clamp(48px, 8vh, 80px);
}
.book h2 {
  font-family: var(--f-display);
  font-size: clamp(34px, 4.2vw, 72px);
  line-height: 1;
  letter-spacing: -0.025em;
  max-width: 24ch;
  font-weight: 400;
  color: #fff;
}
.book h2 em { font-style: italic; color: var(--c-accent); }
.book-head p {
  color: rgba(255,255,255,0.7);
  font-size: 17px;
  line-height: 1.6;
  max-width: 48ch;
}

.book-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(28px, 3vw, 56px);
  align-items: stretch;
}
.book-card {
  padding: clamp(28px, 3vw, 44px);
  border-radius: var(--r-lg);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
}
.book-card h3 {
  font-family: var(--f-display);
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: #fff;
}
.book-card .meta {
  margin-top: 8px;
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  letter-spacing: 0.04em;
}
.book-slot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-radius: var(--r-md);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  margin-top: 18px;
  color: #fff;
}
.book-slot .time { font-family: var(--f-display); font-size: 22px; letter-spacing: -0.01em; }
.book-slot .day { font-size: 13px; color: rgba(255,255,255,0.65); letter-spacing: 0.06em; }
.book-cta-row {
  margin-top: auto;
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.book-cta-row .btn {
  background: var(--c-accent);
}
.book-cta-row .btn .arrow-circle { background: #fff; color: var(--c-accent); }
.book-cta-row .btn:hover { background: var(--c-accent-2); }
.book-cta-row .note {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.04em;
}

.book-form .row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}
.book-form label {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}
.book-form input,
.book-form textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--r-sm);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.10);
  color: #fff;
  font: inherit;
  font-size: 15px;
  transition: border-color var(--t-fast) var(--ease-out), background var(--t-fast) var(--ease-out);
}
.book-form input:focus,
.book-form textarea:focus {
  outline: none;
  border-color: var(--c-accent);
  background: rgba(255,255,255,0.06);
}
.book-form textarea { min-height: 130px; resize: vertical; }
.book-form button {
  margin-top: 8px;
  width: 100%;
  justify-content: center;
}

.book-tagline {
  margin-top: clamp(48px, 7vh, 80px);
  text-align: center;
}
.book-tagline p {
  font-family: var(--f-display);
  font-size: clamp(26px, 3vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: #fff;
  font-weight: 400;
  max-width: 30ch;
  margin: 0 auto;
}
.book-tagline p em { font-style: italic; color: var(--c-accent); }

/* --- Section 8 — Footer -------------------------------------- */
.foot {
  background: var(--c-ink);
  color: rgba(255,255,255,0.7);
  padding: 80px 0 40px;
  border-top: 1px solid rgba(255,255,255,0.06);
  position: relative;
  min-height: auto;
}
.foot-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: clamp(28px, 3vw, 64px);
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.foot .brand { color: #fff; }
.foot .brand + p {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.6;
  max-width: 36ch;
  color: rgba(255,255,255,0.55);
}
.foot-col h4 {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: 16px;
  font-weight: 600;
}
.foot-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.foot-col a {
  color: rgba(255,255,255,0.78);
  font-size: 14px;
  transition: color var(--t-fast) var(--ease-out);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.foot-col a:hover { color: var(--c-accent); }

.foot-mega {
  padding: 50px 0 30px;
  font-family: var(--f-display);
  font-size: clamp(46px, 8vw, 116px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0;
  color: #fff;
  white-space: normal;
  overflow: hidden;
  max-width: 12ch;
}
.foot-mega em { font-style: italic; color: var(--c-accent); }
.foot-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 12px;
  color: rgba(255,255,255,0.45);
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.foot-disclaimer {
  font-size: 11px;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.02em;
  max-width: 50ch;
}

/* --- Responsive ---------------------------------------------- */
@media (max-width: 1080px) {
  .problem-grid,
  .who-body,
  .book-head,
  .team-head { grid-template-columns: 1fr; }

  .who-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(3, 1fr); }
  .book-grid { grid-template-columns: 1fr; }
  .foot-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .intro {
    height: 340svh;
    min-height: 2400px;
  }
  .intro-video {
    width: 100%;
    height: 100%;
    object-position: center center;
    filter: brightness(0.9) contrast(1.03) saturate(1);
  }
  .intro-overlay {
    background:
      radial-gradient(ellipse at 50% 40%, rgba(0,0,0,0) 0%, rgba(0,0,0,0.22) 62%, rgba(0,0,0,0.65) 100%),
      linear-gradient(180deg, rgba(0,0,0,0.32) 0%, rgba(0,0,0,0.08) 34%, rgba(0,0,0,0.54) 100%);
  }
  .intro-content { padding-top: calc(var(--header-h) + 32px); padding-bottom: 28px; }
  .intro-headline { font-size: clamp(40px, 12vw, 64px); }
  .intro-meta { flex-direction: column; align-items: flex-start; gap: 8px; }
  .intro-meta .line { display: none; }

  .problem-emphasis .stencil { font-size: clamp(160px, 38vw, 260px); }
  .who-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .foot-top { grid-template-columns: 1fr; }
  .foot-mega {
    font-size: clamp(42px, 10vw, 64px);
    max-width: 11ch;
  }

  .what-header {
    padding-left: max(20px, env(safe-area-inset-left));
    padding-right: max(20px, env(safe-area-inset-right));
  }
  .what-header.container {
    padding-left: max(20px, env(safe-area-inset-left));
    padding-right: max(20px, env(safe-area-inset-right));
  }
  .what-header h2,
  .what-header .sub {
    max-width: 100%;
  }
  .what-stage > .container {
    padding-left: max(20px, env(safe-area-inset-left));
    padding-right: max(20px, env(safe-area-inset-right));
  }
  .what-rail {
    grid-template-columns: 1fr;
    gap: 16px;
    width: calc(100% - 40px);
    padding: 0;
  }
  .service {
    grid-column: span 1;
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 28px 22px;
    border-radius: 16px;
  }
  .service:nth-child(even),
  .service:nth-child(3),
  .service:nth-child(6) { margin-top: 0; transform: none; }
  .service:nth-child(3):hover,
  .service:nth-child(6):hover { transform: translateY(-4px); }
  .service-num { font-size: 64px; }
  .service-body h3 { font-size: 28px; margin-bottom: 10px; }
}

@media (max-width: 560px) {
  .intro-content {
    padding-left: max(20px, env(safe-area-inset-left));
    padding-right: max(20px, env(safe-area-inset-right));
  }
  .intro-eyebrow {
    align-items: flex-start;
    max-width: min(32ch, 100%);
    line-height: 1.35;
  }
  .intro-headline {
    max-width: 10ch;
    line-height: 0.96;
  }
  .intro-meta {
    margin-top: 18px;
    max-width: 100%;
  }
  .work-cta-wrapper {
    min-height: auto;
    padding: clamp(80px, 18vh, 120px) 20px;
  }
  .work-cta-wrapper .ghost-word {
    font-size: clamp(150px, 43vw, 240px);
  }
  .work-cta-wrapper .above-text {
    max-width: 18ch;
    margin-bottom: 28px;
  }
  .work-cta-wrapper .below-text {
    margin-top: 36px;
  }
  .folder-wrapper {
    width: min(320px, calc(100vw - 48px));
    aspect-ratio: 4 / 3;
    height: auto;
  }
  .foot-mega {
    padding: 36px 0 24px;
    font-size: clamp(34px, 10vw, 46px);
    max-width: 10ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .intro { height: 100vh; height: 100svh; min-height: 0; }
  .intro-video { transform: none !important; }
  .intro-content { opacity: 1 !important; transform: none !important; }
}