/* =========================
   CONTACT SECTION
========================= */
.contact-section {
  background: #ffffff;
  padding: 60px 0;
}

/* =========================
   INPUTS
========================= */
.input-custom {
  padding: 14px;
  border-radius: 10px;
  border: 1px solid #d1d5db;
  transition: 0.25s ease;
  font-size: 15px;
  width: 100%;
}

.input-custom:focus {
  border-color: #0ea5e9;
  box-shadow: 0 0 8px rgba(14,165,233,0.25);
}

/* =========================
   CONTACT BOX
========================= */
.contact-box {
  background: #f9fafb;
  padding: 24px;
  border-radius: 14px;
  box-shadow: 0 3px 15px rgba(0,0,0,0.05);
  height: 100%;
}

/* =========================
   BUTTONS
========================= */
.btn-main {
  padding: 12px;
  border-radius: 40px;
  background: linear-gradient(135deg, #0ea5e9, #22c55e);
  font-weight: 600;
  color: #fff;
  border: none;
  transition: 0.25s ease;
}

.btn-main:hover {
  transform: translateY(-2px);
  opacity: 0.95;
}

/* =========================
   WHATSAPP BUTTON
========================= */
.btn-whatsapp {
  display: block;
  width: 100%;
  padding: 12px;
  background: #25D366;
  color: #fff;
  border-radius: 30px;
  text-align: center;
  margin-top: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: 0.25s ease;
}

.btn-whatsapp:hover {
  background: #1ebe5c;
}

/* =========================
   SOCIAL BUTTONS
========================= */
.contact-social {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.social-btn {
  padding: 8px 16px;
  border-radius: 25px;
  font-weight: 600;
  text-decoration: none;
  font-size: 14px;
  transition: 0.25s ease;
  white-space: nowrap;
}

.social-btn.email { background:#e0f2fe; color:#0284c7; }
.social-btn.linkedin { background:#e0e7ff; color:#4338ca; }
.social-btn.github { background:#f3f4f6; color:#111827; }

/* =========================
   VALIDATION
========================= */
.is-invalid {
  border-color:#ef4444 !important;
}

.is-valid {
  border-color:#22c55e !important;
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 992px) {
  .contact-section {
    padding: 50px 0;
  }
}

@media (max-width: 768px) {
  .contact-section {
    padding: 45px 0;
  }

  .contact-box {
    margin-top: 20px;
    padding: 22px;
  }

  .contact-social {
    justify-content: center;
  }
}

@media (max-width: 576px) {
  .contact-social {
    flex-direction: column;
    align-items: stretch;
  }

  .social-btn {
    text-align: center;
  }
}

@media (max-width: 480px) {
  h2 {
    font-size: 24px;
  }

  .input-custom {
    font-size: 14px;
    padding: 12px;
  }

  .btn-main,
  .btn-whatsapp {
    padding: 10px;
  }

  .contact-box {
    padding: 20px;
  }
}