:root{
  --bg:#ffffff;
  --text:#0b0b0c;
  --muted:#6b6f76;
  --line:#e8eaee;
  --shadow: 0 28px 70px rgba(0,0,0,.07);
  --shadow-soft: 0 18px 50px rgba(0,0,0,.06);

  --pad: 28px;

  --badgeH: 44px;
  --badgePadX: 18px;

  --frameW: min(1080px, 92vw);
  --frameH: clamp(280px, 40vh, 420px);

  --actionsW: min(900px, 88vw);

  --btnH: 56px;
  --rActions: 18px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background: var(--bg);
  color: var(--text);
  overflow-x:hidden;
  overflow-y:hidden;
}

.site-header{
  position: fixed;
  inset: 0 0 auto 0;
  height: 0;
  z-index: 10;
  pointer-events: none;
}

.brand-badge{
  position: fixed;
  top: var(--pad);
  left: var(--pad);
  pointer-events: auto;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  height: var(--badgeH);
  padding: 0 var(--badgePadX);
  border-radius: 14px;

  background: #0b0b0c;
  color:#fff;
  box-shadow: var(--shadow-soft);
}

.brand-text{
  font-weight: 800;
  letter-spacing: .2px;
  font-size: 16px;
}

.page{
  height: 100dvh;
  padding: var(--pad);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stage{
  width: 100%;
  max-width: 1400px;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.frame{
  width: var(--frameW);
  height: var(--frameH);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  overflow: hidden;

  display:flex;
  align-items:center;
  justify-content:center;

  margin-top: calc(var(--badgeH) + 14px);
}

.hero-img{
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display:block;
}

/* DESKTOP */
.headline-zone{
  width: var(--actionsW);
  flex: 1 1 auto;
  min-height: 0;

  display: flex;
  align-items: center;
  justify-content: center;

  padding: 10px 0;
}

.headline{
  margin: 0;
  font-weight: 900;
  letter-spacing: -0.04em;
  font-size: clamp(44px, 4.2vw, 72px);
  line-height: 1.02;
  text-align: center;
}

.actions{
  width: var(--actionsW);
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-bottom: 10px;
}

.btn{
  appearance: none;
  border: 1px solid transparent;
  height: var(--btnH);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  text-decoration: none;
  cursor: pointer;
  font-weight: 800;
  user-select: none;
}

.btn.primary{
  width: 100%;
  background: #0b0b0c;
  color: #fff;
  border-radius: var(--rActions);
  box-shadow: 0 14px 40px rgba(0,0,0,.18);
}

.btn.primary:hover{ filter: brightness(.96); }

.ca{
  width: 100%;
  height: var(--btnH);
  border-radius: var(--rActions);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.92);
  box-shadow: 0 18px 55px rgba(0,0,0,.08);

  padding: 0 10px 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.ca-left{
  min-width: 0;
  display:flex;
  flex-direction: column;
  gap: 3px;
}

.ca-label{
  font-size: 13px;
  color: var(--muted);
  font-weight: 700;
}

.ca-value{
  font-size: 15px;
  font-weight: 900;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn.ghost{
  height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: #0b0b0c;
  color: #fff;
}

.btn.ghost:hover{ filter: brightness(.96); }

.hint{
  height: 18px;
  font-size: 14px;
  color: var(--muted);
  text-align: center;
}

.social-dock{
  position: fixed;
  right: var(--pad);
  bottom: var(--pad);
  z-index: 10;

  display: flex;
  flex-direction: column;
  gap: 12px;

  padding: 14px;
  border-radius: 18px;
  background: rgba(255,255,255,.85);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(10px);
}

.icon-btn{
  width: 54px;
  height: 54px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: #fff;
  display:flex;
  align-items:center;
  justify-content:center;
  text-decoration:none;
  color: #0b0b0c;
}

.icon-btn svg{
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.icon-btn:hover{
  transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(0,0,0,.10);
}

/* Scroll ok */
@media (max-height: 760px){
  body{ overflow-y:auto; }
  .page{ height:auto; min-height: 100dvh; }
  .stage{ height:auto; }
}

/* Mobile */
@media (max-width: 520px){
  :root{
    --pad: 18px;
    --badgeH: 40px;
    --frameH: clamp(240px, 34vh, 320px);
    --btnH: 54px;
    --actionsW: min(92vw, 560px);
    --rActions: 18px;

    --midGap: 18px;
  }

  body{
    overflow-y:auto;
  }

  .page{
    height:auto;
    min-height: 100dvh;
    align-items: flex-start;
    justify-content: flex-start;
    padding-top: var(--pad);
    padding-bottom: 120px;
  }

  .stage{
    height:auto;
    width: 100%;
  }

  .brand-badge{
    padding: 0 14px;
    border-radius: 14px;
  }

  .frame{
    width: var(--actionsW);
    margin-top: calc(var(--badgeH) + 18px);
    border-radius: 26px;

    margin-bottom: var(--midGap);
  }

  .headline-zone{
    flex: 0 0 auto;
    padding: 0;
  }

  .headline{
    font-size: clamp(36px, 10vw, 52px);
  }

  .actions{
    margin-top: var(--midGap);
    padding-bottom: 0;
  }

  .social-dock{
    right: auto;
    left: 50%;
    bottom: 14px;
    transform: translateX(-50%);

    flex-direction: row;
    gap: 10px;

    padding: 10px 12px;
    border-radius: 999px;
  }

  .icon-btn{
    width: 50px;
    height: 50px;
    border-radius: 16px;
  }

  .icon-btn svg{
    width: 20px;
    height: 20px;
  }
}