/* ---------------------------------------------
   Variables globales y reset
   --------------------------------------------- */
:root{
    --max-width: 1200px;
    --bg-top: #731515;
    --bg-bottom: #210000;
    --text: #f4f4f4;
    --muted: rgba(255,255,255,0.6);
    --glass-border: rgba(255,255,255,0.08);
    --card-bg: rgba(5,9,20,0.7);
    --header-bg: rgba(0,0,0,0.95);
    --accent-a: red;
    --accent-b: purple;
}

*, *::before, *::after { box-sizing: border-box; }

/* ---------------------------------------------
   Estilos base
   --------------------------------------------- */
body {
    margin: 0;
    font-family: "Arial", "Helvetica Neue", sans-serif;
    font-weight: 400;
    line-height: 1.5;
    color: var(--text);
    background: radial-gradient(circle at top, var(--bg-top) 0%, var(--bg-bottom) 65%);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Contenedor principal */
.page {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 180px 16px 48px;
}

/* Ajuste para pantallas pequeñas */
@media (max-width: 640px) {
    .page { padding: 140px 12px 32px; }
}

/* Ajuste para tablets */
@media (min-width: 641px) and (max-width: 768px) {
    .page { padding: 160px 20px 40px; }
}

/* ---------------------------------------------
   Sección de inicio (hero principal)
   --------------------------------------------- */
#inicio{
    display: flex;
    flex-direction: column;
    gap: 24px;
}

@media (min-width: 768px) {
    #inicio { flex-direction: row; }
}

#producto{
    margin-left: 0;
    width: 100%;
    max-width: 100%;
}

@media (min-width: 768px) {
    #producto { margin-left: -4em; width: 50vw; }
}

#mano{
    float: none;
    shape-outside: none;
    shape-image-threshold: 0.5;
    shape-margin: 2px;
    width: 100%;
    max-width: 300px;
    margin-top: 16px;
    margin-right: 0;
}

@media (min-width: 768px) {
    #mano { float: right; shape-outside: url('mano.png'); width: 40vw; margin-top: 40px; margin-right: -90px; }
}

/* ---------------------------------------------
   Cabecera y navegación
   --------------------------------------------- */
.site-header {
    position: fixed;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(255,255,255,0.2);
    background: var(--header-bg);
    width: min(var(--max-width), 100vw);
    padding: 1rem 12px;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    z-index: 1000;
}

@media (max-width: 640px) {
    .site-header { padding: 0.75rem 8px; gap: 8px; top: 8px; border-radius: 16px; }
}

@media (min-width: 768px) {
    .site-header { gap: 16px; padding: 1.25rem 2rem; top: 20px; border-radius: 24px; }
}

.logo {
    font-size: 2.5rem;
    letter-spacing: 0.15rem;
    background: linear-gradient(180deg, #fff 0%, #eee 25%, #999 35%, #eee 55%, #fff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0px 12px rgba(0,0,0,1);
}

@media (max-width: 640px) {
    .logo { font-size: 1.8rem; letter-spacing: 0.1rem; }
}

@media (min-width: 768px) {
    .logo { font-size: 3.8rem; letter-spacing: 0.2rem; }
}

.site-nav { 
    display: flex; 
    flex-wrap: wrap; 
    gap: 8px; 
    width: 100%;
    justify-content: center;
}

@media (min-width: 768px) {
    .site-nav { gap: 12px; width: auto; justify-content: flex-end; }
}

.site-nav a {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    font-size: 0.8rem;
    padding: 4px 8px;
    border-radius: 999px;
    transition: background 0.2s ease, color 0.2s ease;
}

@media (min-width: 768px) {
    .site-nav a { font-size: 0.95rem; padding: 6px 10px; }
}

.site-nav a:hover, .site-nav a:focus { background: rgba(255,255,255,0.15); color: #fff; }

/* ---------------------------------------------
   Componentes héroe / tarjetas / botones
   --------------------------------------------- */
.hero { 
    display: grid; 
    gap: 20px; 
    background: rgba(255,255,255,0.03); 
    border-radius: 20px; 
    padding: 20px 16px; 
    border: 1px solid var(--glass-border); 
    box-shadow: 0 20px 40px rgba(0,0,0,0.35);
}

@media (min-width: 641px) and (max-width: 768px) {
    .hero { gap: 24px; padding: 28px 24px; border-radius: 22px; }
}

@media (min-width: 768px) {
    .hero { gap: 24px; padding: 32px 28px; border-radius: 24px; }
}

.hero-text h1, .hero-text h2 { margin: 0 0 12px; }

@media (min-width: 768px) {
    .hero-text h1, .hero-text h2 { margin: 0 0 16px; }
}

.hero-text h1 { font-size: clamp(1.8rem, 5vw, 3.5rem); }
.hero-text p { 
    margin: 0 0 16px; 
    color: rgba(255,255,255,0.85);
    font-size: 0.95rem;
    line-height: 1.6;
}

@media (min-width: 768px) {
    .hero-text p { margin: 0 0 24px; font-size: 1rem; }
}

.cta-group { display:flex; flex-wrap:wrap; gap:10px; }
.btn { 
    border: none; 
    border-radius: 999px; 
    padding: 10px 20px; 
    font-size: 0.9rem; 
    cursor: pointer; 
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

@media (min-width: 768px) {
    .btn { padding: 12px 28px; font-size: 1rem; }
}
.btn-primary { background: linear-gradient(135deg, var(--accent-a), var(--accent-b)); color: #fff; border: 2px solid white; box-shadow: 0 8px 20px rgba(28,125,255,0.45); }
.btn-secondary { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,0.4); }
.btn:hover { transform: translateY(-2px); }

.hero-card { 
    border: 1px solid rgba(255,255,255,0.1); 
    border-radius: 18px; 
    padding: 16px; 
    background: var(--card-bg); 
    display:flex; 
    flex-direction:column; 
    align-items:center; 
    justify-content:center; 
    gap:12px;
}

@media (min-width: 768px) {
    .hero-card { border-radius: 20px; padding: 24px; gap: 16px; }
}

.hero-card img { width:100%; height:auto; }

/* ---------------------------------------------
   Tarjetas y listas (features, info-grid)
   --------------------------------------------- */
.features { display: grid; gap: 20px; }
.feature-card { padding: 24px; border-radius: 20px; background: rgba(255,255,255,0.05); border: 1px solid var(--glass-border); }
.feature-card h3 { margin:0 0 12px; font-size:1.1rem; text-transform:uppercase; letter-spacing:0.1rem; }
.feature-card p { margin:0; color: rgba(255,255,255,0.8); }

.info-grid { display:grid; gap:16px; margin-top:16px; }
.info-item { padding:16px; border-radius:16px; background: rgba(255,255,255,0.04); border:1px solid var(--glass-border); }

footer { 
    margin-top:32px; 
    text-align:center; 
    font-size:0.8rem; 
    color: var(--muted);
    padding: 0 12px;
}

@media (min-width: 768px) {
    footer { margin-top: 48px; font-size: 0.85rem; padding: 0; }
}

/* Tipografía Bruno Ace (clase) */
.bruno-ace-regular { font-family: "Bruno Ace", "Segoe UI", system-ui, sans-serif; font-weight:400; font-style:normal; }
h2 { font-family: "Bruno Ace", "Segoe UI", system-ui, sans-serif; }

/* ---------------------------------------------
   Responsive
   --------------------------------------------- */
@media (min-width: 768px) {
    .site-header { flex-direction: row; align-items: center; justify-content: center; }
    .site-nav { justify-content: flex-end; }
    .hero { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: center; }
    .features { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .info-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}