@import url("https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100..900;1,100..900&display=swap");

/* ======= Variables de color y tipografía ======= */
:root {
  --primary: #1173d4;
  --bg: #f6f7f8;
  --surface: #ffffff;
  --text: #0d141b;
  --text-muted: #4c739a;
  --border: #e7edf3;
  --radius: 12px;
  --radius-pill: 9999px;
  --container: 1100px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 6px 20px rgba(16, 25, 34, 0.1);
  --transition: 200ms ease; /* transicion de 200 milisegundos, función de tiempo ease para un movimiento suave */
  --font: "Roboto", sans-serif;
}

/* ======= Base ======= */
* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}
body {
  margin: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
}

a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}
button {
  font: inherit;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 16px;
}

/* ======= Header ======= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-row {
  display: flex;
  align-items: center;
  gap: 32px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 18px;
}
.brand-logo {
  width: 94px;
  height: auto;
  color: var(--primary);
}

.nav-links {
  display: none;
  gap: 24px;
}
.nav-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
}
.nav-link:hover {
  color: var(--primary);
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
}

.actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.search {
  position: relative;
  display: none;
}
.search input {
  height: 40px;
  width: 260px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--bg);
  padding: 0 14px 0 40px;
  color: var(--text);
  outline: none;
  transition: border var(--transition), box-shadow var(--transition);
}
.search input::placeholder {
  color: var(--text-muted);
}
.search input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(17, 115, 212, 0.2);
}
.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  translate: 0 -50%;
  opacity: 0.6;
}

@media (min-width: 640px) {
  .search {
    display: block;
  }
}

.icon-btn {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--bg);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition),
    border var(--transition);
}
.icon-btn:hover {
  background: rgba(17, 115, 212, 0.1);
  border-color: rgba(17, 115, 212, 0.4);
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  background-size: cover;
  background-position: center;
  border: 1px solid var(--border);
}

/* ======= Hero ======= */
.hero {
  position: relative;
  border-radius: 16px;
  min-height: 360px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-color: rgba(0, 0, 0, 0.25);
}

.hero h1 {
  position: relative;
  z-index: 1;
  color: #fff;
  padding: 24px;
  font-size: 36px;
  margin: 0;
}

/* ======= Chips (categorías) ======= */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  background: var(--bg);
  border: 1px solid var(--border);
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
  transition: background var(--transition), border var(--transition),
    color var(--transition);
}
.chip:hover {
  background: rgba(17, 115, 212, 0.1);
  border-color: rgba(17, 115, 212, 0.3);
  color: var(--text);
}

/* ======= Grilla de productos ======= */
.grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 768px) {
  .grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (min-width: 1024px) {
  .grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.card {
  display: block;
}
.card-media {
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  margin-bottom: 10px;
}
.card-media > .cover {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transition: transform 300ms ease;
}
.card:hover .cover {
  transform: scale(1.04);
}

.card h3 {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 700;
}
.card p {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
}

/* ======= Botones ======= */
.btn-row {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: stretch;
  justify-content: center;
}
@media (min-width: 640px) {
  .btn-row {
    flex-direction: row;
    align-items: center;
  }
}

.btn {
  height: 48px;
  padding: 0 20px;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 800;
  letter-spacing: 0.02em;
  font-size: 14px;
  transition: transform var(--transition), background var(--transition),
    border var(--transition), color var(--transition);
}
.btn:active {
  transform: translateY(1px);
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: #0f66bd;
}
.btn-ghost {
  background: var(--bg);
  color: var(--text);
  border-color: 1px solid var(--border);
}
.btn-ghost:hover {
  background: rgba(17, 115, 212, 0.1);
  border-color: rgba(17, 115, 212, 0.3);
}

/* ======= Secciones ======= */
main {
  flex: 1;
}
section {
  margin-bottom: 48px;
}
.section-title {
  font-size: 22px;
  font-weight: 800;
  margin: 0 0 18px;
}

/* ======= Footer ======= */
footer {
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
}
@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
  }
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 24px;
}
.footer-link {
  font-size: 14px;
  color: var(--text-muted);
}
.footer-link:hover {
  color: var(--primary);
}
.copyright {
  font-size: 14px;
  color: var(--text-muted);
}

/* ======= Utilidades ======= */
.mt-8 {
  margin-top: 32px;
}
.mb-12 {
  margin-bottom: 48px;
}
.rounded-xl {
  border-radius: 16px;
}
.surface {
  background: var(--surface);
}