:root {
    --dark: #0b1320;
    --muted: #6b7280;
    --bg: #f8fafc;
    --card: #ffffff;
    --accent: #3646ff;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial;
    color: var(--dark);
    background: var(--bg);
    line-height: 1.5;
}

a {
    color: inherit;
    text-decoration: none;
}

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

header {
    position: sticky;
    top: 0;
    z-index: 999;
    background: var(--card);
    border-bottom: 1px solid #eef2f6;
    box-shadow: 0 4px 12px rgba(0,0,0,0.04);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 0;
}

.logo {
    width: 180px;
    height: auto;
}

.abrir_hamb,
.cerrar_hamb {
    border: none;
    background: transparent;
    cursor: pointer;
    display: none;
}

.nav-menu {
    display: flex;
    gap: 18px;
}

.nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 18px;
}

.nav-list a {
    font-weight: 600;
    color: var(--dark);
}

@media (max-width: 880px) {

    .abrir_hamb {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        width: 240px;
        background: #0f1724;
        flex-direction: column;
        padding: 20px;
        gap: 20px;
        opacity: 0;
        visibility: hidden;
        transform: translateX(-100%);
        transition: all 0.3s ease;
        z-index: 1000;
    }

    .nav-menu.visible {
        opacity: 1;
        visibility: visible;
        transform: translateX(0);
    }

    .cerrar_hamb {
        display: block;
        align-self: flex-start;
    }

    .nav-list {
        flex-direction: column;
        gap: 16px;
    }

    .nav-list a {
        color: #eef2f6;
        font-size: 18px;
    }
}

@media (min-width: 881px) {

    .nav-menu {
        position: static;
        height: auto;
        width: auto;
        background: transparent;
        opacity: 1;
        visibility: visible;
        transform: none;
        padding: 0;
    }

    .nav-list a:hover {
        color: var(--accent);
    }
}

footer {
    background: #0f1724;
    color: #cbd5e1;
    padding: 28px 0;
    margin-top: 36px;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-copy {
  color: #9aa6b2;
  font-size: 14px;
  margin-top: 6px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.social-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #1e293b;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s ease, background 0.25s ease;
}

.social-btn img {
  width: 20px;
  height: 20px;
}

.social-btn:hover {
  transform: translateY(-3px);
}

.social-btn.facebook:hover {
  background: #1877f2;
}

.social-btn.instagram:hover {
  background: linear-gradient(45deg, #f58529, #dd2a7b, #8134af);
}

@media (max-width: 600px) {
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}