/* assets/css/style.css */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700;800&display=swap');

:root {
  --red: #c62828;
  /* principal */
  --dark: #222;
  --muted: #6b6b6b;
  --bg: #ffffff;
  --glass: rgba(255, 255, 255, 0.85);
}

* {
  box-sizing: border-box
}

html,
body {
  height: 100%;
  margin: 0;
  font-family: Inter, system-ui, Arial, sans-serif;
  background: var(--bg);
  color: var(--dark);
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.8));
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  border-bottom: 1px solid #eee;
  z-index: 1000
}

/* Botón hamburguesa (oculto en desktop) */
.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle:focus {
  outline: 2px solid rgba(198, 40, 40, 0.18);
  border-radius: 6px
}

.hamburger {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--dark);
  position: relative;
  border-radius: 2px;
  transition: transform .25s ease, background .25s ease;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: inherit;
  border-radius: 2px;
  transition: transform .25s ease, top .25s ease, opacity .2s ease;
}

.hamburger::before {
  top: -7px
}

.hamburger::after {
  top: 7px
}

.header-left {
  display: flex;
  gap: 16px;
  align-items: center
}

.brand {
  font-weight: 700;
  color: var(--red);
  font-size: 20px
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 14px
}

nav a {
  color: var(--dark);
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 6px;
  transition: all .18s ease
}

nav a:hover {
  background: rgba(198, 40, 40, 0.08);
  transform: translateY(-2px)
}

/* Estados cuando el nav está abierto en móvil */
.nav-open .hamburger {
  background: transparent
}

.nav-open .hamburger::before {
  transform: rotate(45deg);
  top: 0;
  background-color: var(--red);
}

.nav-open .hamburger::after {
  transform: rotate(-45deg);
  top: 0;
   background-color: var(--red);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 100px 20px 60px
}

/* Hero */
.hero {
  display: flex;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
  padding: 40px 0
}

.hero .avatar {
  width: 180px;
  height: 180px;
  border-radius: 12px;
  overflow: hidden;
  border: 6px solid rgba(198, 40, 40, 0.06);
  flex: 0 0 180px
}

.hero .avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover
}

.hero .intro {
  flex: 1
}

.hero h1 {
  margin: 0;
  font-size: 38px
}

.hero p {
  color: var(--muted);
  margin-top: 8px
}

.btn {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 8px;
  text-decoration: none;
  color: #fff;
  background: var(--red);
  border: none;
  cursor: pointer;
  transition: transform .12s ease, box-shadow .12s ease
}

.btn.secondary {
  background: transparent;
  color: var(--red);
  border: 2px solid var(--red)
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 18px rgba(198, 40, 40, 0.12)
}

/* Sections */
.section {
  padding: 36px 0
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px
}

.card {
  background: #fff;
  border-radius: 10px;
  padding: 18px;
  border: 1px solid #f0f0f0;
  transition: transform .12s ease, box-shadow .12s ease
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 30px rgba(34, 34, 34, 0.06)
}

.badge {
  display: inline-block;
  padding: 6px 8px;
  border-radius: 6px;
  background: #f6f6f6;
  color: var(--muted);
  font-size: 13px;
  margin-right: 8px;
  margin-top: 8px
}

.skills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px
}

.skill-chip {
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(198, 40, 40, 0.08);
  color: var(--red);
  font-weight: 600
}

.project-title {
  font-weight: 700;
  margin: 0 0 8px
}

.project-meta {
  color: var(--muted);
  font-size: 14px
}

footer {
  padding: 20px 0;
  text-align: center;
  color: var(--muted);
  border-top: 1px solid #f4f4f4;
  margin-top: 40px
}

/* Contact form */
form .field {
  margin-bottom: 12px
}

input[type=text],
input[type=email],
textarea {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #e7e7e7
}

textarea {
  min-height: 120px
}

/* Admin (simple) */
.admin-wrap {
  max-width: 900px;
  margin: 100px auto;
  padding: 20px
}

.table {
  width: 100%;
  border-collapse: collapse
}

.table th,
.table td {
  padding: 10px;
  border-bottom: 1px solid #eee;
  text-align: left
}

.btn-sm {
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 14px
}

.btn-danger {
  background: #e74c3c
}

/* Responsive */
@media (max-width:700px) {
  .hero {
    padding: 18px 0
  }

  .hero .avatar {
    width: 120px;
    height: 120px
  }

  header {
    padding: 0 12px
  }

  /* Mostrar botón hamburguesa y ocultar menú por defecto */
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    margin-left: 8px
  }

  nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 64px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(250, 250, 250, 0.96));
    border-bottom: 1px solid #eee;
    display: none;
    /* cerrado por defecto */
    z-index: 999;
    padding: 10px 12px;
  }

  nav ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  nav a {
    display: block
  }

  /* Cuando está abierto */
  nav.open {
    display: block
  }

  /* Acomodar header-left y el toggle en mobile */
  .header-left {
    gap: 8px
  }
}

/* ---------- crear_usuario.php (estilos específicos) ---------- */
/* Targets simple standalone admin form pages where the <form> is a direct child of <body> */
body>form {
  max-width: 440px;
  margin: 80px auto;
  padding: 28px;
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(250, 250, 250, 0.9));
  box-shadow: 0 24px 60px rgba(34, 34, 34, 0.08);
  border: 1px solid rgba(34, 34, 34, 0.04);
  backdrop-filter: blur(6px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: stretch;
}

body>form input[type="text"],
body>form input[type="email"],
body>form input[type="password"] {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid #ececec;
  background: #fff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
  transition: box-shadow .12s ease, border-color .12s ease, transform .08s ease;
  font-size: 15px;
}

body>form input:focus {
  outline: none;
  border-color: var(--red);
  box-shadow: 0 10px 30px rgba(198, 40, 40, 0.06);
  transform: translateY(-1px);
}

body>form button[type="submit"],
body>form .btn {
  padding: 12px 14px;
  border-radius: 10px;
  border: none;
  background: var(--red);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(198, 40, 40, 0.12);
  transition: transform .12s ease, box-shadow .12s ease, opacity .12s ease;
}

body>form button[type="submit"]:hover {
  transform: translateY(-3px);
  opacity: .98
}

/* Small helper for the standalone note under the form in crear_usuario.php */
body>p {
  max-width: 640px;
  margin: 12px auto 40px;
  color: var(--muted);
  text-align: center;
  font-size: 14px
}

@media (max-width:520px) {
  body>form {
    margin: 36px 18px;
    padding: 20px
  }

  body>p {
    margin: 10px 18px 30px
  }
}