body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(120deg, #2563eb 0%, #60a5fa 100%);
  color: #222;
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

.container {
  max-width: 900px;
  margin: 3rem auto;
  padding: 2rem 1.5rem;
  background: rgba(255,255,255,0.95);
  box-shadow: 0 8px 32px rgba(37,99,235,0.10);
  border-radius: 18px;
}

h1, h2, h3 {
  font-weight: 700;
  color: #2563eb;
  margin-bottom: 1.2rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.btn, .btn-success, .btn-danger, .btn-warning, .btn-outline-danger {
  border-radius: 30px !important;
  font-weight: 600;
  padding: 0.5rem 1.7rem;
  font-size: 1rem;
  transition: background 0.2s, box-shadow 0.2s, color 0.2s;
  box-shadow: 0 2px 8px rgba(37,99,235,0.07);
}

.btn-success {
  background: linear-gradient(90deg, #43e97b 0%, #38f9d7 100%);
  border: none;
  color: #fff;
}
.btn-success:hover {
  background: linear-gradient(90deg, #38f9d7 0%, #43e97b 100%);
  color: #fff;
}

.btn-danger {
  background: linear-gradient(90deg, #ff5858 0%, #f09819 100%);
  border: none;
  color: #fff;
}
.btn-danger:hover {
  background: linear-gradient(90deg, #f09819 0%, #ff5858 100%);
  color: #fff;
}

.btn-warning {
  background: linear-gradient(90deg, #f7971e 0%, #ffd200 100%);
  border: none;
  color: #222;
}
.btn-warning:hover {
  background: linear-gradient(90deg, #ffd200 0%, #f7971e 100%);
  color: #222;
}

.btn-outline-danger {
  border: 2px solid #ff5858 !important;
  color: #ff5858 !important;
  background: transparent !important;
}
.btn-outline-danger:hover {
  background: #ff5858 !important;
  color: #fff !important;
}

.card {
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
  border: none;
  box-shadow: 0 4px 16px rgba(37,99,235,0.07);
  background: #fff;
}
.card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 12px 32px rgba(37,99,235,0.13);
}

.card-body {
  padding: 1.2rem 1.5rem;
}

.card img {
  border-radius: 12px;
  object-fit: cover;
  max-height: 120px;
  box-shadow: 0 2px 8px rgba(37,99,235,0.08);
}

form {
  max-width: 400px;
  margin: 2rem auto;
  padding: 1.5rem 1.2rem;
  background: rgba(255,255,255,0.98);
  border-radius: 14px;
  box-shadow: 0 4px 24px rgba(37,99,235,0.08);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

input[type="text"],
input[type="url"],
input[type="password"],
textarea,
input[type="file"] {
  width: 100%;
  padding: 0.65rem 1rem;
  border: 1.5px solid #d1d5db;
  border-radius: 8px;
  font-size: 1rem;
  background: #f9fafb;
  transition: border-color 0.2s;
  margin-bottom: 0.5rem;
}

input[type="text"]:focus,
input[type="url"]:focus,
input[type="password"]:focus,
textarea:focus,
input[type="file"]:focus {
  border-color: #2563eb;
  outline: none;
}

textarea {
  resize: vertical;
  min-height: 80px;
}

.alert {
  border-radius: 8px;
  padding: 0.8rem 1.2rem;
  margin-bottom: 1rem;
  font-size: 1rem;
}

footer {
  text-align: center;
  margin: 3rem 0 1rem 0;
  color: #2563eb;
  font-size: 0.95rem;
  opacity: 0.7;
}

.login-container {
  background: #fff;
  padding: 2.2rem 2rem 1.5rem 2rem;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(37,99,235,0.13);
  width: 100%;
  max-width: 340px;
  margin: 6vh auto;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  animation: fadeIn 0.7s;
}

.login-container h2 {
  margin: 0 0 10px 0;
  font-weight: 700;
  color: #2563eb;
  text-align: center;
  letter-spacing: 1px;
}

.login-container label {
  font-size: 0.98rem;
  color: #374151;
  margin-bottom: 4px;
}

.login-container input[type="text"],
.login-container input[type="password"] {
  padding: 10px 14px;
  border: 1.5px solid #d1d5db;
  border-radius: 8px;
  font-size: 1rem;
  background: #f9fafb;
  margin-bottom: 8px;
  transition: border 0.2s;
}

.login-container input:focus {
  border-color: #2563eb;
  outline: none;
}

.login-container button {
  background: linear-gradient(90deg, #2563eb 0%, #60a5fa 100%);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 0;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
  box-shadow: 0 2px 8px rgba(37,99,235,0.07);
  margin-top: 8px;
}

.login-container button:hover {
  background: linear-gradient(90deg, #60a5fa 0%, #2563eb 100%);
}

.login-container .alert {
  color: #dc2626;
  background: #fef2f2;
  border-radius: 7px;
  padding: 8px 12px;
  font-size: 0.97rem;
  text-align: center;
  margin-bottom: 4px;
  border: 1px solid #fecaca;
}

@media (max-width: 576px) {
  .container {
    margin: 1.2rem 0.5rem;
    padding: 1rem;
  }
  .card img {
    max-width: 100%;
    max-height: none;
  }
  form {
    padding: 1rem 0.5rem;
  }
}

@media (max-width: 480px) {
  .login-container {
    padding: 1.2rem 0.7rem 1rem 0.7rem;
    max-width: 98vw;
  }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(30px);}
  to { opacity: 1; transform: translateY(0);}
}

.modern-form {
  max-width: 370px;
  margin: 2.5rem auto;
  padding: 2rem 1.5rem 1.5rem 1.5rem;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(37,99,235,0.13);
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  align-items: center;
  animation: fadeIn 0.7s;
}
.form-title {
  text-align: center;
  color: #2563eb;
  font-weight: 700;
  margin-bottom: 1.5rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.modern-form label {
  font-weight: 500;
  color: #374151;
  margin-bottom: 0.3rem;
  font-size: 0.98rem;
  align-self: flex-start;
}
.modern-form input[type="text"],
.modern-form input[type="url"],
.modern-form textarea,
.modern-form input[type="file"] {
  padding: 10px 14px;
  border: 1.5px solid #d1d5db;
  border-radius: 8px;
  font-size: 1rem;
  background: #f9fafb;
  transition: border 0.2s;
  margin-bottom: 0.2rem;
  width: 100%;
  box-sizing: border-box;
  display: block;
}
.modern-form input[type="file"] {
  padding: 7px 0 7px 7px;
  background: #f3f4f6;
}
.modern-form input:focus,
.modern-form textarea:focus {
  border-color: #2563eb;
  outline: none;
}
.modern-form textarea {
  resize: vertical;
  min-height: 70px;
  max-height: 180px;
}
.modern-form button {
  background: linear-gradient(90deg, #2563eb 0%, #60a5fa 100%);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 0;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
  box-shadow: 0 2px 8px rgba(37,99,235,0.07);
  margin-top: 8px;
  width: 100%;
}
.modern-form button:hover {
  background: linear-gradient(90deg, #60a5fa 0%, #2563eb 100%);
}

body {
  font-family: Arial, sans-serif;
  background: #f9fafb;
  color: #374151;
  margin: 0;
  padding: 20px;
}
.header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}
.header-bar a {
  font-size: 1rem;
  padding: 8px 16px;
  border-radius: 5px;
  background: #2563eb;
  color: #fff;
  text-decoration: none;
  margin-left: 8px;
  transition: background 0.2s;
}
.header-bar a:hover {
  background: #1d4ed8;
}
.projects-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}
.project-card {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}
.project-card img {
  border-radius: 6px;
  width: 100%;
  max-width: 220px;
  object-fit: cover;
  margin-bottom: 8px;
  align-self: center;
}
.project-actions {
  margin-top: 8px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.project-actions a {
  font-size: 0.95rem;
  padding: 6px 12px;
  border-radius: 4px;
  background: #f3f4f6;
  color: #2563eb;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}
.project-actions a:hover {
  background: #2563eb;
  color: #fff;
}
@media (max-width: 600px) {
.projects-list {
  grid-template-columns: 1fr;
}
.header-bar {
  flex-direction: column;
  gap: 10px;
}
}

body {
        min-height: 100vh;
        margin: 0;
        padding: 0;
        background: linear-gradient(120deg, #2563eb 0%, #60a5fa 100%);
        font-family: 'Segoe UI', Arial, sans-serif;
      }
      .top-bar {
        width: 100%;
        display: flex;
        justify-content: flex-end;
        align-items: center;
        padding: 1.2rem 2.5rem 0.5rem 2.5rem;
        box-sizing: border-box;
      }
      .btn-login {
        font-size: 1rem;
        padding: 8px 26px;
        border-radius: 22px;
        background: #fff;
        color: #2563eb;
        border: 2px solid #2563eb;
        font-weight: 600;
        text-decoration: none;
        transition: background 0.2s, color 0.2s, border 0.2s;
        box-shadow: 0 2px 8px rgba(37,99,235,0.07);
        cursor: pointer;
        letter-spacing: 1px;
      }
      .btn-login:hover {
        background: #2563eb;
        color: #fff;
        border: 2px solid #2563eb;
      }
      .main-section {
        width: 100%;
        max-width: 1200px;
        margin: 2.5rem auto 0 auto;
        padding: 0 1rem 2rem 1rem;
        display: flex;
        flex-direction: column;
        gap: 2.5rem;
      }
      .home-hero-card {
        background: linear-gradient(120deg, #2563eb 60%, #60a5fa 100%);
        border-radius: 22px;
        box-shadow: 0 8px 32px rgba(37,99,235,0.18);
        padding: 2.7rem 2.5rem 2rem 2.5rem;
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        animation: fadeIn 0.8s;
        box-sizing: border-box;
        margin-bottom: 1.5rem;
        position: relative;
        overflow: hidden;
      }
      .home-hero-card .avatar {
        width: 90px;
        height: 90px;
        border-radius: 50%;
        margin-bottom: 1.2rem;
        box-shadow: 0 2px 12px rgba(37,99,235,0.18);
        object-fit: cover;
        background: #e0e7ef;
        border: 4px solid #fff;
        z-index: 2;
      }
      .home-hero-card .titulo-principal {
        font-size: 2.1rem;
        color: #fff;
        margin-bottom: 1.1rem;
        text-transform: uppercase;
        letter-spacing: 2.5px;
        font-weight: 900;
        text-align: center;
        text-shadow: 0 3px 16px rgba(37,99,235,0.20), 0 1px 0 #2563eb;
        z-index: 2;
      }
      .home-hero-card p {
        font-size: 1.13rem;
        color: #e3e8f7;
        margin-bottom: 0.7rem;
        max-width: 600px;
        line-height: 1.6;
        text-align: center;
        font-weight: 500;
        z-index: 2;
      }
      .home-hero-card::before {
        content: "";
        position: absolute;
        top: -60px;
        left: -60px;
        width: 180px;
        height: 180px;
        background: rgba(255,255,255,0.08);
        border-radius: 50%;
        z-index: 1;
      }
      .home-hero-card::after {
        content: "";
        position: absolute;
        bottom: -60px;
        right: -60px;
        width: 180px;
        height: 180px;
        background: rgba(255,255,255,0.10);
        border-radius: 50%;
        z-index: 1;
      }
      .proyectos-inicio {
        width: 100%;
        background: rgba(255,255,255,0.98);
        border-radius: 18px;
        box-shadow: 0 8px 32px rgba(37,99,235,0.10);
        padding: 0 0 2rem 0;
      }
      .proyectos-inicio h2 {
        color: #2563eb;
        font-size: 1.7rem;
        margin-bottom: 2.2rem;
        text-align: center;
        text-transform: uppercase;
        letter-spacing: 1.5px;
        font-weight: 800;
        padding-top: 2rem;
      }
      .proyectos-lista {
        display: flex;
        flex-wrap: wrap;
        gap: 2.2rem;
        justify-content: center;
      }
      .proyecto-card {
        background: #fff;
        border-radius: 16px;
        box-shadow: 0 4px 18px rgba(37,99,235,0.13);
        padding: 1.5rem 1.2rem 1.2rem 1.2rem;
        max-width: 320px;
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        transition: box-shadow 0.2s, transform 0.2s;
        border: 2px solid #e5e7eb;
        position: relative;
      }
      .proyecto-card:hover {
        box-shadow: 0 12px 32px rgba(37,99,235,0.18);
        transform: translateY(-6px) scale(1.04);
        border-color: #60a5fa;
      }
      .proyecto-card img {
        max-width: 100%;
        max-height: 140px;
        border-radius: 10px;
        margin-bottom: 1rem;
        object-fit: cover;
        background: #f3f4f6;
        box-shadow: 0 2px 8px rgba(37,99,235,0.10);
      }
      .proyecto-card h3 {
        color: #2563eb;
        font-size: 1.18rem;
        margin: 0 0 0.7rem 0;
        text-align: center;
        font-weight: 700;
      }
      .proyecto-card p {
        font-size: 1.01rem;
        color: #374151;
        margin-bottom: 0.8rem;
        text-align: center;
        min-height: 48px;
      }
      .proyecto-card .links {
        margin-top: 0.5rem;
        display: flex;
        gap: 12px;
        justify-content: center;
        width: 100%;
      }
      .proyecto-card .links a {
        color: #fff;
        background: #2563eb;
        text-decoration: none;
        font-size: 0.99rem;
        font-weight: 600;
        padding: 6px 18px;
        border-radius: 7px;
        transition: background 0.2s, color 0.2s;
        border: none;
        box-shadow: 0 1px 4px rgba(37,99,235,0.09);
      }
      .proyecto-card .links a:hover {
        background: #60a5fa;
        color: #2563eb;
      }
      .contacto-box {
        background: #fff;
        border-radius: 14px;
        box-shadow: 0 2px 12px rgba(37,99,235,0.09);
        max-width: 350px;
        margin: 2.5rem auto 1.5rem auto;
        padding: 1.5rem 1.2rem 1.2rem 1.2rem;
        text-align: center;
        animation: fadeIn 0.8s;
      }
      .contacto-box h2 {
        color: #2563eb;
        font-size: 1.18rem;
        margin-bottom: 1rem;
        letter-spacing: 1px;
        text-transform: uppercase;
        font-weight: 700;
      }
      .contacto-form {
        display: flex;
        flex-direction: column;
        gap: 0.7rem;
      }
      .contacto-form input,
      .contacto-form textarea {
        border: 1.5px solid #d1d5db;
        border-radius: 7px;
        padding: 9px 12px;
        font-size: 1rem;
        background: #f9fafb;
        transition: border-color 0.2s;
        resize: none;
      }
      .contacto-form input:focus,
      .contacto-form textarea:focus {
        border-color: #2563eb;
        outline: none;
      }
      .contacto-form button {
        background: linear-gradient(90deg, #2563eb 0%, #60a5fa 100%);
        color: #fff;
        border: none;
        border-radius: 7px;
        padding: 10px 0;
        font-size: 1rem;
        font-weight: 600;
        cursor: pointer;
        transition: background 0.2s, box-shadow 0.2s;
        box-shadow: 0 2px 8px rgba(37,99,235,0.07);
        margin-top: 4px;
      }
      .contacto-form button:hover {
        background: linear-gradient(90deg, #60a5fa 0%, #2563eb 100%);
      }
      @keyframes fadeIn {
        from { opacity: 0; transform: translateY(30px);}
        to { opacity: 1; transform: translateY(0);}
      }
      @media (max-width: 900px) {
        .main-section { max-width: 98vw; }
        .proyectos-lista { gap: 1.2rem; }
        .proyecto-card { max-width: 95vw; }
        .proyectos-inicio { padding: 0 0.5rem 1.2rem 0.5rem; }
        .home-hero-card { padding: 1.2rem 0.5rem 1rem 0.5rem; }
      }
      @media (max-width: 600px) {
        .main-section { padding: 0 0.2rem 1.2rem 0.2rem; }
        .home-hero-card {
          padding: 1.2rem 0.5rem 1rem 0.5rem;
        }
        .home-hero-card .titulo-principal {
          font-size: 1.2rem;
        }
        .home-hero-card p {
          font-size: 0.98rem;
        }
        .proyectos-inicio { padding: 0 0.2rem 1.2rem 0.2rem; }
      }

      body {
        min-height: 100vh;
        margin: 0;
        padding: 0;
        background: linear-gradient(120deg, #2563eb 0%, #60a5fa 100%);
        font-family: 'Segoe UI', Arial, sans-serif;
      }
      .top-bar {
        width: 100%;
        display: flex;
        justify-content: flex-end;
        align-items: center;
        padding: 1.2rem 2.5rem 0.5rem 2.5rem;
        box-sizing: border-box;
      }
      .btn-login {
        font-size: 1rem;
        padding: 8px 26px;
        border-radius: 22px;
        background: #fff;
        color: #2563eb;
        border: 2px solid #2563eb;
        font-weight: 600;
        text-decoration: none;
        transition: background 0.2s, color 0.2s, border 0.2s;
        box-shadow: 0 2px 8px rgba(37,99,235,0.07);
        cursor: pointer;
        letter-spacing: 1px;
      }
      .btn-login:hover {
        background: #2563eb;
        color: #fff;
        border: 2px solid #2563eb;
      }
      .main-section {
        width: 100%;
        max-width: 1200px;
        margin: 2.5rem auto 0 auto;
        padding: 0 1rem 2rem 1rem;
        display: flex;
        flex-direction: column;
        gap: 2.5rem;
      }
      .home-hero-card {
        background: linear-gradient(120deg, #2563eb 60%, #60a5fa 100%);
        border-radius: 22px;
        box-shadow: 0 8px 32px rgba(37,99,235,0.18);
        padding: 2.7rem 2.5rem 2rem 2.5rem;
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        animation: fadeIn 0.8s;
        box-sizing: border-box;
        margin-bottom: 1.5rem;
        position: relative;
        overflow: hidden;
      }
      .home-hero-card .avatar {
        width: 90px;
        height: 90px;
        border-radius: 50%;
        margin-bottom: 1.2rem;
        box-shadow: 0 2px 12px rgba(37,99,235,0.18);
        object-fit: cover;
        background: #e0e7ef;
        border: 4px solid #fff;
        z-index: 2;
      }
      .home-hero-card .titulo-principal {
        font-size: 2.1rem;
        color: #fff;
        margin-bottom: 1.1rem;
        text-transform: uppercase;
        letter-spacing: 2.5px;
        font-weight: 900;
        text-align: center;
        text-shadow: 0 3px 16px rgba(37,99,235,0.20), 0 1px 0 #2563eb;
        z-index: 2;
      }
      .home-hero-card p {
        font-size: 1.13rem;
        color: #e3e8f7;
        margin-bottom: 0.7rem;
        max-width: 600px;
        line-height: 1.6;
        text-align: center;
        font-weight: 500;
        z-index: 2;
      }
      .home-hero-card::before {
        content: "";
        position: absolute;
        top: -60px;
        left: -60px;
        width: 180px;
        height: 180px;
        background: rgba(255,255,255,0.08);
        border-radius: 50%;
        z-index: 1;
      }
      .home-hero-card::after {
        content: "";
        position: absolute;
        bottom: -60px;
        right: -60px;
        width: 180px;
        height: 180px;
        background: rgba(255,255,255,0.10);
        border-radius: 50%;
        z-index: 1;
      }
      .proyectos-inicio {
        width: 100%;
        background: rgba(255,255,255,0.98);
        border-radius: 18px;
        box-shadow: 0 8px 32px rgba(37,99,235,0.10);
        padding: 0 0 2rem 0;
      }
      .proyectos-inicio h2 {
        color: #2563eb;
        font-size: 1.7rem;
        margin-bottom: 2.2rem;
        text-align: center;
        text-transform: uppercase;
        letter-spacing: 1.5px;
        font-weight: 800;
        padding-top: 2rem;
      }
      .proyectos-lista {
        display: flex;
        flex-wrap: wrap;
        gap: 2.2rem;
        justify-content: center;
      }
      .proyecto-card {
        background: #fff;
        border-radius: 16px;
        box-shadow: 0 4px 18px rgba(37,99,235,0.13);
        padding: 1.5rem 1.2rem 1.2rem 1.2rem;
        max-width: 320px;
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        transition: box-shadow 0.2s, transform 0.2s;
        border: 2px solid #e5e7eb;
        position: relative;
      }
      .proyecto-card:hover {
        box-shadow: 0 12px 32px rgba(37,99,235,0.18);
        transform: translateY(-6px) scale(1.04);
        border-color: #60a5fa;
      }
      .proyecto-card img {
        max-width: 100%;
        max-height: 140px;
        border-radius: 10px;
        margin-bottom: 1rem;
        object-fit: cover;
        background: #f3f4f6;
        box-shadow: 0 2px 8px rgba(37,99,235,0.10);
      }
      .proyecto-card h3 {
        color: #2563eb;
        font-size: 1.18rem;
        margin: 0 0 0.7rem 0;
        text-align: center;
        font-weight: 700;
      }
      .proyecto-card p {
        font-size: 1.01rem;
        color: #374151;
        margin-bottom: 0.8rem;
        text-align: center;
        min-height: 48px;
      }
      .proyecto-card .links {
        margin-top: 0.5rem;
        display: flex;
        gap: 12px;
        justify-content: center;
        width: 100%;
      }
      .proyecto-card .links a {
        color: #fff;
        background: #2563eb;
        text-decoration: none;
        font-size: 0.99rem;
        font-weight: 600;
        padding: 6px 18px;
        border-radius: 7px;
        transition: background 0.2s, color 0.2s;
        border: none;
        box-shadow: 0 1px 4px rgba(37,99,235,0.09);
      }
      .proyecto-card .links a:hover {
        background: #60a5fa;
        color: #2563eb;
      }
      .contacto-box {
        background: #fff;
        border-radius: 14px;
        box-shadow: 0 2px 12px rgba(37,99,235,0.09);
        max-width: 350px;
        margin: 2.5rem auto 1.5rem auto;
        padding: 1.5rem 1.2rem 1.2rem 1.2rem;
        text-align: center;
        animation: fadeIn 0.8s;
      }
      .contacto-box h2 {
        color: #2563eb;
        font-size: 1.18rem;
        margin-bottom: 1rem;
        letter-spacing: 1px;
        text-transform: uppercase;
        font-weight: 700;
      }
      .contacto-form {
        display: flex;
        flex-direction: column;
        gap: 0.7rem;
      }
      .contacto-form input,
      .contacto-form textarea {
        border: 1.5px solid #d1d5db;
        border-radius: 7px;
        padding: 9px 12px;
        font-size: 1rem;
        background: #f9fafb;
        transition: border-color 0.2s;
        resize: none;
      }
      .contacto-form input:focus,
      .contacto-form textarea:focus {
        border-color: #2563eb;
        outline: none;
      }
      .contacto-form button {
        background: linear-gradient(90deg, #2563eb 0%, #60a5fa 100%);
        color: #fff;
        border: none;
        border-radius: 7px;
        padding: 10px 0;
        font-size: 1rem;
        font-weight: 600;
        cursor: pointer;
        transition: background 0.2s, box-shadow 0.2s;
        box-shadow: 0 2px 8px rgba(37,99,235,0.07);
        margin-top: 4px;
      }
      .contacto-form button:hover {
        background: linear-gradient(90deg, #60a5fa 0%, #2563eb 100%);
      }
      @keyframes fadeIn {
        from { opacity: 0; transform: translateY(30px);}
        to { opacity: 1; transform: translateY(0);}
      }
      @media (max-width: 900px) {
        .main-section { max-width: 98vw; }
        .proyectos-lista { gap: 1.2rem; }
        .proyecto-card { max-width: 95vw; }
        .proyectos-inicio { padding: 0 0.5rem 1.2rem 0.5rem; }
        .home-hero-card { padding: 1.2rem 0.5rem 1rem 0.5rem; }
      }
      @media (max-width: 600px) {
        .main-section { padding: 0 0.2rem 1.2rem 0.2rem; }
        .home-hero-card {
          padding: 1.2rem 0.5rem 1rem 0.5rem;
        }
        .home-hero-card .titulo-principal {
          font-size: 1.2rem;
        }
        .home-hero-card p {
          font-size: 0.98rem;
        }
        .proyectos-inicio { padding: 0 0.2rem 1.2rem 0.2rem; }
      }

    .form-title {
      text-align: center;
      color: #2563eb;
      font-weight: 700;
      margin-bottom: 1.5rem;
      letter-spacing: 1px;
      text-transform: uppercase;
    }
    .modern-form {
      max-width: 370px;
      margin: 2.5rem auto;
      padding: 2rem 1.5rem 1.5rem 1.5rem;
      background: #fff;
      border-radius: 16px;
      box-shadow: 0 8px 32px rgba(37,99,235,0.13);
      display: flex;
      flex-direction: column;
      gap: 1.1rem;
      animation: fadeIn 0.7s;
      align-items: center; 
    }
    .modern-form label {
      font-weight: 500;
      color: #374151;
      margin-bottom: 0.3rem;
      font-size: 0.98rem;
      align-self: flex-start; 
    }
    .modern-form input[type="text"],
    .modern-form input[type="url"],
    .modern-form textarea,
    .modern-form input[type="file"] {
      padding: 10px 14px;
      border: 1.5px solid #d1d5db;
      border-radius: 8px;
      font-size: 1rem;
      background: #f9fafb;
      transition: border 0.2s;
      margin-bottom: 0.2rem;
      width: 100%; 
      box-sizing: border-box;
      display: block;
    }
    .modern-form input[type="file"] {
      padding: 7px 0 7px 7px;
      background: #f3f4f6;
    }
    .modern-form input:focus,
    .modern-form textarea:focus {
      border-color: #2563eb;
      outline: none;
    }
    .modern-form textarea {
      resize: vertical;
      min-height: 70px;
      max-height: 180px;
    }
    .modern-form button {
      background: linear-gradient(90deg, #2563eb 0%, #60a5fa 100%);
      color: #fff;
      border: none;
      border-radius: 8px;
      padding: 10px 0;
      font-size: 1rem;
      font-weight: 600;
      cursor: pointer;
      transition: background 0.2s, box-shadow 0.2s;
      box-shadow: 0 2px 8px rgba(37,99,235,0.07);
      margin-top: 8px;
      width: 100%;
    }
    .modern-form button:hover {
      background: linear-gradient(90deg, #60a5fa 0%, #2563eb 100%);
    }
    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(30px);}
      to { opacity: 1; transform: translateY(0);}
    }
    
    .top-bar {
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 1.2rem 2.5rem 0.5rem 2.5rem;
      box-sizing: border-box;
    }
    .nav-menu {
      display: flex;
      gap: 10px;
    }
    .btn-nav {
      font-size: 1rem;
      padding: 8px 22px;
      border-radius: 22px;
      background: #fff;
      color: #2563eb;
      border: 2px solid #2563eb;
      font-weight: 600;
      text-decoration: none;
      transition: background 0.2s, color 0.2s, border 0.2s;
      box-shadow: 0 2px 8px rgba(37,99,235,0.07);
      cursor: pointer;
      letter-spacing: 1px;
      margin-right: 2px;
    }
    .btn-nav:hover {
      background: #2563eb;
      color: #fff;
      border: 2px solid #2563eb;
    }
    .btn-login {
      font-size: 1rem;
      padding: 8px 26px;
      border-radius: 22px;
      background: #fff;
      color: #2563eb;
      border: 2px solid #2563eb;
      font-weight: 600;
      text-decoration: none;
      transition: background 0.2s, color 0.2s, border 0.2s;
      box-shadow: 0 2px 8px rgba(37,99,235,0.07);
      cursor: pointer;
      letter-spacing: 1px;
    }
    .btn-login:hover {
      background: #2563eb;
      color: #fff;
      border: 2px solid #2563eb;
    }
    @media (max-width: 700px) {
      .top-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        padding: 1rem 1rem 0.5rem 1rem;
      }
      .btn-login { align-self: flex-end; }
    }