:root { --nav-h: 80px; } /* altura navbar */

/* ===== Título ===== */
.page-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  text-align: center;
  margin: calc(var(--nav-h) + clamp(16px, 4vw, 40px)) 0 clamp(16px, 3vw, 40px);
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #fff;
  text-shadow: 0 0 6px rgba(255,255,255,.6), 0 0 12px rgba(255,255,255,.4);
  -webkit-text-stroke: 1px rgba(0,0,0,0.7);
  paint-order: stroke fill;
}

/* ===== Contenedor ===== */
.social-vertical {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;   
  gap: 28px;             
  margin-bottom: 50px;
}

/* ===== Botón base ===== */
.sv-btn {
  box-sizing: border-box;
  width: 100px;          /* ancho inicial */
  height: 100px;         /* alto fijo */
  background: #fff;
  color: #111;
  border-radius: 20px;

  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  font-weight: 600;
  letter-spacing: .2px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;

  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;                    
  line-height: 1;            

  text-decoration: none;
  box-shadow: 0 5px 18px rgba(0,0,0,0.18);
  transition:
    width .35s cubic-bezier(.2,.7,.2,1),
    background-color .25s ease,
    box-shadow .25s ease,
    color .25s ease,
    padding .35s cubic-bezier(.2,.7,.2,1),
    gap .35s cubic-bezier(.2,.7,.2,1);
  overflow: hidden;
  position: relative;
  padding: 0;
  outline: none;
}
.sv-btn:focus-visible { 
  box-shadow: 0 0 0 3px rgba(255,255,255,.35), 0 5px 18px rgba(0,0,0,.18); 
}

/* Icono */
.sv-btn i {
  font-size: 42px;           
  line-height: 1;
  width: 1em;
  text-align: center;
  transform: translateY(1px); 
  display:flex;
  align-items:center;
  justify-content:center;
  width:1em; height:1em;
}

/* Texto */
.sv-btn span {
  font-size: 22px;        
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  max-width: 0;          
  overflow: hidden;
  margin-left: 0;
  line-height: 1;
  transform: translateY(1px); 
  transition:
    opacity .25s ease,
    max-width .35s cubic-bezier(.2,.7,.2,1);
}

/* ===== Estado expandido ===== */
.sv-btn:hover,
.sv-btn:focus-visible {
  width: 370px;          /* más ancho que antes */
  color: #fff;
  justify-content: center;   
  gap: 14px;                 
  padding: 0;                
}

.sv-btn:hover span,
.sv-btn:focus-visible span {
  opacity: 1;
  max-width: 290px;      /* más espacio para texto */
}

/* ===== Glow por red ===== */
.sv-btn.discord:hover  { background: #5865f2; box-shadow: 0 0 28px #5865f2; }
.sv-btn.x:hover        { background: #1da1f2; box-shadow: 0 0 28px #1da1f2; }
.sv-btn.tiktok:hover   { background: #000000; box-shadow: 0 0 28px #ffffff; }
.sv-btn.youtube:hover  { background: #ff0000; box-shadow: 0 0 28px #ff0000; }
.sv-btn.instagram:hover{ background: #e4405f; box-shadow: 0 0 28px #e4405f; }
.sv-btn.boosting:hover { background: #ff9900; box-shadow: 0 0 28px #ff9900; }
.sv-btn.gmail:hover    { background: #d14836; box-shadow: 0 0 28px #d14836; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .social-vertical { gap: 24px; }
  .sv-btn { width: 88px; height: 88px; border-radius: 18px; }
  .sv-btn i { font-size: 34px; }
  .sv-btn:hover,
  .sv-btn:focus-visible { width: 260px; }
  .sv-btn span { font-size: 20px; }
}

@media (max-width: 480px) {
  .social-vertical { gap: 20px; }
  .sv-btn { width: 74px; height: 74px; border-radius: 16px; }
  .sv-btn i { font-size: 30px; }
  .sv-btn:hover,
  .sv-btn:focus-visible { width: 230px; }
  .sv-btn span { font-size: 18px; }
}