/* ===================================
   ESTILOS GLOBALES Y RESET
   =================================== */

* {
 
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: var(--page-bg);
}

/* ===================================
   VARIABLES DE COLOR (ROOT)
   =================================== */

:root{
    /* Paleta de colores */
    --header-blue: #2F4F2F;
    --accent-red: #D62828;
    --pizza-yellow: #FFC300;
    --page-bg: #fff;
    --main-bg: #ffffff;
    --footer-bg: #EAD5B6;
    --text: #333333;
    --black: #000;
    --hover-dark: rgba(44,44,44,0.6);
}

/* ===================================
   ESTILOS DE HEADER Y NAVEGACIÓN
   =================================== */

header {
    background-color: var(--header-blue);
    color: white;
    padding: 0 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    position: sticky;
    top: 0;
    z-index: 999;
}

header h1 {
    text-align: center;
    font-size: 2.5em;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

nav {
    background-color: var(--header-blue);
    padding: 0;
    letter-spacing: 0.1rem;
}

nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0;
}

.mobile-toggle {
    display: none;
}

.hamburger-btn {
    display: none;
    border: none;
    background: transparent;
    color: #fff;
    cursor: pointer;
    padding: 12px;
}

.hamburger-icon,
.hamburger-icon::before,
.hamburger-icon::after {
    content: '';
    display: block;
    width: 22px;
    height: 2px;
    background: #fff;
    border-radius: 3px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.hamburger-icon::before {
    transform: translateY(-7px);
}

.hamburger-icon::after {
    transform: translateY(5px);
}

.hamburger-btn.open .hamburger-icon {
    background: transparent;
}

.hamburger-btn.open .hamburger-icon::before {
    transform: translateY(0) rotate(45deg);
}

.hamburger-btn.open .hamburger-icon::after {
    transform: translateY(-2px) rotate(-45deg);
}

.mobile-dropdown {
    display: none;
    background: var(--header-blue);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.mobile-dropdown-link {
    display: block;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    padding: 12px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-dropdown-link:hover {
    background: rgba(255, 255, 255, 0.14);
}

.logo {
    display: block;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: contain;
    background: transparent;
    cursor: pointer;
    transition: transform 0.3s;
}

.logo:hover {
    transform: scale(1.1);
}

nav li:first-child {
    margin-right: 30px;
}

nav li:nth-child(2),
nav li:nth-child(3),
nav li:nth-child(4) {
    margin-right: 0;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s;
    display: inline-flex;
    align-items: center;
    border-radius: 0;
}

.nav-logo {
    padding: 15px 15px;
    z-index: 2;
}

.nav-menu {
    padding: 30px 15px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.nav-menu:hover {
    color: white;
    background-color: var(--hover-dark);
}

nav a:hover {
    color: white;
    background-color: var(--hover-dark);
    border-radius: 0;
}

.nav-right {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0;
}

.nav-right a {
    background-color: transparent;
    border-radius: 0;
    transition: background-color 0.3s;
    display: inline-flex;
    align-items: center;
}

.nav-login {
    padding: 28px 15px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    display: none;
}

.nav-login:hover {
    background-color: var(--hover-dark);
    text-decoration: none;
}

.nav-carrito {
    padding: 25px 15px;
    font-size: 1.5em;
    cursor: pointer;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.nav-carrito:hover {
    background-color: var(--hover-dark);
    text-decoration: none;
}

.nav-right a:hover {
    background-color: var(--hover-dark);
    text-decoration: none;
    border-radius: 0;
}


/* ===================================
   ESTILOS DE FOOTER
   =================================== */

/* Footer */
footer{
    background: var(--page-bg);    
    color: var(--black);
    text-align:center;
    padding:30px 20px;
    margin-top:0;
    position:relative;
}

footer::before{
    content:'';
    position:absolute;
    top:0;
    left:80px;
    right:80px;
    height:3px;
    background: var(--header-blue);
}

footer p{ margin:10px 0; }
footer a{ color: var(--header-blue); text-decoration:none; }
footer a:hover{ text-decoration:underline; }

footer a[aria-label="Facebook Pizzeria ABCG"]{
    color:#1877F2;
    font-weight:600;
    display:inline-flex;
    align-items:center;
    gap:4px;
    transition:color 0.2s ease, transform 0.2s ease;
}

footer a[aria-label="Facebook Pizzeria ABCG"] svg{
    transition:transform 0.2s ease;
}

footer a[aria-label="Facebook Pizzeria ABCG"]:hover{
    color:#0F5CC0;
    text-decoration:none;
    transform:translateY(-1px);
}

footer a[aria-label="Facebook Pizzeria ABCG"]:hover svg{
    transform:scale(1.08);
}

footer a[aria-label="WhatsApp Pizzeria ABCG"]{
    color:#25D366;
    font-weight:600;
    display:inline-flex;
    align-items:center;
    gap:4px;
    transition:color 0.2s ease, transform 0.2s ease;
}

footer a[aria-label="WhatsApp Pizzeria ABCG"] svg{
    transition:transform 0.2s ease;
}

footer a[aria-label="WhatsApp Pizzeria ABCG"]:hover{
    color:#1EA952;
    text-decoration:none;
    transform:translateY(-1px);
}

footer a[aria-label="WhatsApp Pizzeria ABCG"]:hover svg{
    transform:scale(1.08);
}

/* ===================================
   ESTILOS RESPONSIVOS - TABLETS
   =================================== */

@media (max-width: 768px) {
    header {
        padding: 0 12px;
    }

    nav ul {
        flex-wrap: nowrap;
    }

    .logo {
        width: 44px;
        height: 44px;
    }

    nav li:first-child {
        margin-right: 10px;
    }

    .nav-menu {
        padding: 20px 10px;
        font-size: 0.88rem;
        letter-spacing: 0.04rem;
    }

    .nav-login {
        padding: 20px 10px;
        font-size: 0.88rem;
    }

    .nav-carrito {
        padding: 18px 10px;
        font-size: 1.3em;
    }

    footer::before {
        left: 40px;
        right: 40px;
    }
}

/* ===================================
   ESTILOS RESPONSIVOS - CELULARES
   =================================== */

@media (max-width: 480px) {
    header {
        padding: 0 6px;
    }

    nav {
        position: relative;
    }

    nav ul {
        justify-content: space-between;
        position: relative;
        min-height: 60px;
    }

    /* Logo visible y de tamaño medio en móvil */
    .logo {
        width: 42px;
        height: 42px;
    }

    .nav-logo {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        padding: 0;
        z-index: 3;
    }

    .mobile-toggle {
        display: flex;
        margin-right: auto;
        z-index: 2;
    }

    .hamburger-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    nav li:first-child {
        margin-right: 0;
    }

    /* Ocultar enlaces de texto para no saturar la barra */
    .nav-menu {
        display: none;
    }

    .nav-login {
        display: none;
    }

    .nav-carrito {
        padding: 16px 10px;
        font-size: 1.4em;
    }

    .nav-right {
        margin-left: auto;
        z-index: 2;
    }

    .mobile-dropdown.show {
        display: block;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--header-blue);
        box-shadow: 0 12px 20px rgba(0, 0, 0, 0.18);
    }

    footer::before {
        left: 20px;
        right: 20px;
    }
}

/* ===================================
   ESTILOS PARA PESTAÑAS DE PIZZAS
   =================================== */

.pizza-tabs {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 0.75rem 2rem;
    border: 2px solid #ff6b6b;
    background: transparent;
    color: #ff6b6b;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.tab-btn:hover {
    background: #ff6b6b;
    color: white;
    transform: translateY(-2px);
}

.tab-btn.active {
    background: #ff6b6b;
    color: white;
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
}

.hidden {
    display: none;
}