/* ============================================================
   LOCKHACKINGPRO - CSS Principal Compartido
   Variables, Reset, Header, Footer, Botones, Utilidades
   ============================================================ */

/* ============================================================
   VARIABLES CSS
   ============================================================ */
:root {
    --bg:           #0b0d11;
    --bg-2:         #0e1014;
    --card-bg:      rgba(21, 25, 32, 0.7);
    --primary:      #00ff9d;
    --secondary:    #00b8ff;
    --accent:       #7000ff;
    --danger:       #ff4757;
    --warning:      #ffc107;
    --success:      #00ff9d;
    --text:         #e3e3e3;
    --text-muted:   #a0a5b0;
    --gradient:     linear-gradient(135deg, #00ff9d 0%, #00b8ff 100%);
    --glass-border: 1px solid rgba(255, 255, 255, 0.08);
    --shadow:       0 20px 50px rgba(0, 0, 0, 0.5);
    --radius:       16px;
    --radius-sm:    8px;
    --transition:   0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    background-image: radial-gradient(circle at 50% 0%, #1a202c 0%, var(--bg) 70%);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul { list-style: none; }

img { max-width: 100%; display: block; }

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 36px;
    margin-bottom: 15px;
    font-weight: 800;
}

.section-header p {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================================
   HEADER / NAVBAR
   ============================================================ */
.site-header {
    background: rgba(11, 13, 17, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: var(--glass-border);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 14px 0;
    transition: var(--transition);
}

.site-header.scrolled {
    padding: 10px 0;
    background: rgba(11, 13, 17, 0.98);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

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

.logo {
    font-size: 22px;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 9px;
}

.logo i {
    -webkit-text-fill-color: var(--primary);
    font-size: 20px;
}

.nav-links {
    display: flex;
    gap: 28px;
    align-items: center;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    padding: 4px 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.btn-nav {
    background: var(--gradient) !important;
    color: #000 !important;
    padding: 8px 22px;
    border-radius: 50px;
    font-weight: 700 !important;
    box-shadow: 0 0 18px rgba(0, 255, 157, 0.25);
    transition: var(--transition) !important;
}

.btn-nav::after { display: none !important; }

.btn-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 28px rgba(0, 255, 157, 0.45) !important;
}

/* Menú hamburguesa móvil */
.menu-toggle {
    display: none;
    background: none;
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--text);
    font-size: 20px;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.menu-toggle:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* ============================================================
   BOTONES GLOBALES
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient);
    color: #000;
    box-shadow: 0 0 20px rgba(0, 255, 157, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 35px rgba(0, 255, 157, 0.4);
    color: #000;
}

.btn-outline {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.12);
    color: var(--text);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.btn-danger {
    background: rgba(255, 71, 87, 0.15);
    border: 1px solid rgba(255, 71, 87, 0.3);
    color: var(--danger);
}

.btn-danger:hover {
    background: rgba(255, 71, 87, 0.25);
    transform: translateY(-2px);
}

/* ============================================================
   CARDS / GLASS
   ============================================================ */
.glass-card {
    background: var(--card-bg);
    border: var(--glass-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

/* ============================================================
   ALERTAS
   ============================================================ */
.alert {
    padding: 13px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
}

.alert-error {
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid rgba(255, 71, 87, 0.3);
    color: var(--danger);
}

.alert-warning {
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.3);
    color: var(--warning);
}

.alert-success {
    background: rgba(0, 255, 157, 0.1);
    border: 1px solid rgba(0, 255, 157, 0.3);
    color: var(--primary);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    background: rgba(5, 6, 8, 0.9);
    border-top: var(--glass-border);
}

.footer-main {
    padding: 70px 0 50px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 40px;
}

.footer-brand .logo {
    font-size: 20px;
    margin-bottom: 16px;
    display: inline-flex;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
    max-width: 280px;
}

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

.social-links a {
    width: 38px;
    height: 38px;
    background: rgba(255, 255, 255, 0.05);
    border: var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 15px;
    color: var(--text-muted);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary);
    color: #000;
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 255, 157, 0.3);
}

.footer-col h4 {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 18px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: var(--text-muted);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 7px;
}

.footer-col ul li a:hover {
    color: var(--primary);
    padding-left: 4px;
}

.footer-col ul li a i {
    width: 14px;
    font-size: 12px;
    color: var(--primary);
    opacity: 0.6;
}

.footer-bottom {
    border-top: var(--glass-border);
    padding: 22px 0;
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 13px;
}

.footer-bottom-links {
    display: flex;
    gap: 20px;
}

.footer-bottom-links a {
    color: var(--text-muted);
    font-size: 13px;
}

.footer-bottom-links a:hover {
    color: var(--primary);
}

/* ============================================================
   MODAL DE IMAGEN
   ============================================================ */
.img-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    cursor: pointer;
}

.img-modal.open { display: flex; align-items: center; justify-content: center; }

.img-modal img {
    max-width: 90vw;
    max-height: 88vh;
    border-radius: var(--radius-sm);
    object-fit: contain;
    animation: modalZoom 0.25s ease;
    box-shadow: 0 0 60px rgba(0,0,0,0.8);
}

.img-modal-close {
    position: absolute;
    top: 20px;
    right: 28px;
    color: rgba(255,255,255,0.6);
    font-size: 36px;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

.img-modal-close:hover { color: var(--primary); transform: scale(1.1); }

@keyframes modalZoom {
    from { transform: scale(0.85); opacity: 0; }
    to   { transform: scale(1);    opacity: 1; }
}

/* ============================================================
   SPINNER / LOADING
   ============================================================ */
.spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(0,0,0,0.15);
    border-left-color: #000;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    vertical-align: middle;
    margin-right: 6px;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   BADGE / TAGS
   ============================================================ */
.badge {
    display: inline-block;
    padding: 3px 9px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary { background: rgba(0,255,157,0.15); color: var(--primary); border: 1px solid rgba(0,255,157,0.3); }
.badge-danger  { background: rgba(255,71,87,0.15);  color: var(--danger);  border: 1px solid rgba(255,71,87,0.3); }
.badge-warning { background: rgba(255,193,7,0.15);  color: var(--warning); border: 1px solid rgba(255,193,7,0.3); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(11, 13, 17, 0.98);
        flex-direction: column;
        gap: 0;
        padding: 15px 0;
        border-bottom: var(--glass-border);
    }

    .nav-links.open { display: flex; }

    .nav-links a {
        padding: 12px 24px;
        width: 100%;
    }

    .nav-links a::after { display: none; }
    .btn-nav { margin: 8px 24px 4px; }

    .menu-toggle { display: block; }

    .footer-grid { grid-template-columns: 1fr; gap: 30px; }

    .footer-bottom-inner { flex-direction: column; text-align: center; }

    .section-header h2 { font-size: 28px; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .btn { padding: 11px 22px; font-size: 14px; }
}