/* ============================================================
   VARIABLES GLOBALES
============================================================ */
:root {
    --clr-bg: #0d0d0d;
    --clr-surface: #141414;
    --clr-border: #222222;
    --clr-text: #f0ede8;
    --clr-muted: #888880;
    --clr-accent: #c8f542;
    /* verde lima — cambia este color si quieres otro acento */
    --clr-wa: #25d366;
    --clr-wa-dark: #128c7e;

    --font-display: 'Syne', sans-serif;
    --font-body: 'DM Sans', sans-serif;

    --radius-sm: 6px;
    --radius-md: 14px;
    --radius-full: 999px;

    --transition: 0.25s ease;
    --header-h: 68px;
}

/* ============================================================
   RESET / BASE
============================================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--clr-bg);
    color: var(--clr-text);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

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

/* ============================================================
   HEADER
============================================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 900;
    background: rgba(13, 13, 13, 0.85);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--clr-border);
    transition: border-color var(--transition);
}

#mainNavbar {
    height: var(--header-h);
    padding: 0;
}

/* Brand */
.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: -0.02em;
    color: var(--clr-text) !important;
    transition: opacity var(--transition);
}

.navbar-brand:hover {
    opacity: 0.75;
}

.brand-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--clr-accent);
    flex-shrink: 0;
}

/* Nav links */
.navbar-nav .nav-link {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--clr-muted) !important;
    padding: 6px 14px !important;
    border-radius: var(--radius-full);
    transition: color var(--transition), background var(--transition);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--clr-text) !important;
    background: rgba(255, 255, 255, 0.06);
}

/* Botón contacto */
.btn-contact {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.875rem;
    background: var(--clr-accent);
    color: #0d0d0d !important;
    padding: 8px 20px;
    border-radius: var(--radius-full);
    border: none;
    transition: opacity var(--transition), transform var(--transition);
}

.btn-contact:hover {
    opacity: 0.88;
    transform: translateY(-1px);
}

/* Toggler personalizado */
.navbar-toggler {
    border: none;
    background: none;
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.navbar-toggler:focus {
    box-shadow: none;
}

.toggler-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--clr-text);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

/* Animación toggler al abrir */
.navbar-toggler[aria-expanded="true"] .toggler-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.navbar-toggler[aria-expanded="true"] .toggler-line:nth-child(2) {
    opacity: 0;
}

.navbar-toggler[aria-expanded="true"] .toggler-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Menú colapsado en móvil */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: var(--clr-surface);
        border: 1px solid var(--clr-border);
        border-radius: var(--radius-md);
        margin-top: 10px;
        padding: 12px;
    }

    .navbar-nav .nav-link {
        padding: 10px 14px !important;
        border-radius: var(--radius-sm);
    }

    .btn-contact {
        width: 100%;
        text-align: center;
        margin-top: 8px;
        display: block;
        padding: 10px 20px;
    }
}

/* ============================================================
   MAIN CONTENT
============================================================ */
#main-content {
    padding-top: 2rem;
    padding-bottom: 4rem;
}

/* ============================================================
   FOOTER
============================================================ */
.site-footer {
    background: var(--clr-surface);
    border-top: 1px solid var(--clr-border);
    padding: 48px 0 24px;
    margin-top: auto;
}

.footer-inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 32px;
    padding-bottom: 36px;
    border-bottom: 1px solid var(--clr-border);
}

/* Marca en footer */
.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-brand .navbar-brand,
.footer-brand {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
}

.footer-brand .brand-name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.05rem;
}

.footer-tagline {
    font-size: 0.8rem;
    color: var(--clr-muted);
    margin: 0;
    margin-top: 4px;
    width: 100%;
    display: block;
    padding-left: 20px;
    /* indenta bajo el brand-dot */
}

/* Nav footer */
.footer-nav {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-nav a {
    font-size: 0.85rem;
    color: var(--clr-muted);
    padding: 6px 12px;
    border-radius: var(--radius-full);
    transition: color var(--transition), background var(--transition);
}

.footer-nav a:hover {
    color: var(--clr-text);
    background: rgba(255, 255, 255, 0.06);
}

/* Redes sociales */
.footer-social {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--clr-border);
    color: var(--clr-muted);
    font-size: 0.9rem;
    transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.footer-social a:hover {
    color: var(--clr-accent);
    border-color: var(--clr-accent);
    background: rgba(200, 245, 66, 0.06);
}

/* Barra inferior */
.footer-bottom {
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.78rem;
    color: var(--clr-muted);
}

/* Footer responsive */
@media (max-width: 767.98px) {
    .footer-inner {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 24px;
    }

    .footer-brand {
        flex-direction: column;
        align-items: center;
    }

    .footer-brand>div {
        display: flex;
        align-items: center;
        gap: 10px;
        justify-content: center;
    }

    .footer-tagline {
        padding-left: 0;
        text-align: center;
    }

    .footer-nav {
        justify-content: center;
    }

    .footer-social {
        justify-content: center;
    }
}

/* ============================================================
   BOTÓN WHATSAPP FLOTANTE
============================================================ */
.whatsapp-btn {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 1000;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(145deg, var(--clr-wa), var(--clr-wa-dark));
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition), box-shadow var(--transition);
    animation: wa-breathe 3s ease-in-out infinite;
}

.whatsapp-btn svg {
    width: 28px;
    height: 28px;
    fill: #fff;
    flex-shrink: 0;
}

/* Tooltip */
.whatsapp-tooltip {
    position: absolute;
    right: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%);
    background: rgba(20, 20, 20, 0.92);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 500;
    white-space: nowrap;
    padding: 6px 12px;
    border-radius: var(--radius-full);
    border: 1px solid var(--clr-border);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition), transform var(--transition);
    transform: translateY(-50%) translateX(6px);
}

.whatsapp-btn:hover .whatsapp-tooltip {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

.whatsapp-btn:hover {
    transform: scale(1.08) translateY(-2px);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.5);
    animation: none;
}

/* Anillo pulsante */
.whatsapp-btn::before {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    background: rgba(37, 211, 102, 0.2);
    animation: wa-ring 3s ease-out infinite;
    pointer-events: none;
}

@keyframes wa-breathe {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.04);
    }
}

@keyframes wa-ring {
    0% {
        transform: scale(0.8);
        opacity: 0.6;
    }

    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}