/* ==========================================================================
   LatinosPC Security - Core Stylesheet (sec_mainStyle.css)
   Hero banner, breadcrumbs navigation, security checklist & shared utilities
   ========================================================================== */

/* ── Breadcrumbs Navigation Bar ── */
.security-breadcrumbs {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0.85rem 1.6rem;
    margin: 1.5rem auto 2.2rem;
    width: fit-content;
    max-width: 95%;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(14, 165, 233, 0.28);
    border-radius: 50px;
    box-shadow: 0 8px 24px rgba(10, 25, 47, 0.08), 0 2px 6px rgba(14, 165, 233, 0.08);
}

.security-breadcrumbs ul {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 0.5rem;
    justify-content: center;
    align-items: center;
}

.security-breadcrumbs li {
    display: flex;
    align-items: center;
    font-size: 0.95rem;
    font-weight: 600;
}

.security-breadcrumbs li a {
    text-decoration: none;
    color: #1e293b;
    padding: 0.5rem 1.25rem;
    border-radius: 26px;
    transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    border: 1px solid transparent;
}

.security-breadcrumbs li a:hover {
    background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(2, 132, 199, 0.35);
    border-color: rgba(255, 255, 255, 0.2);
}

.security-breadcrumbs li:not(:last-child)::after {
    content: "\203A";
    margin: 0 0.4rem 0 0.5rem;
    color: #94a3b8;
    font-size: 1.35rem;
    line-height: 1;
}

.security-breadcrumbs li a.active {
    font-weight: 800;
    color: #0284c7;
    background: rgba(2, 132, 199, 0.12);
    border-color: rgba(2, 132, 199, 0.3);
    box-shadow: 0 3px 10px rgba(2, 132, 199, 0.15);
}

/* ── Hero Banner: High-Impact Cyber Presence ── */
.sec-hero {
    background:
        radial-gradient(circle at 86% 45%, rgba(56, 189, 248, 0.45) 0%, rgba(30, 58, 95, 0.3) 40%, transparent 70%),
        radial-gradient(circle at 15% 90%, rgba(14, 165, 233, 0.2) 0%, transparent 55%),
        linear-gradient(135deg, #050e1d 0%, #0a1e38 35%, #0f2e52 70%, #154374 100%);
    color: #ffffff;
    border-radius: 24px;
    padding: 3.5rem 3rem 3rem;
    margin: 1.5rem auto 2.5rem;
    max-width: 1200px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 24px 64px rgba(5, 14, 29, 0.35), 0 0 0 1px rgba(56, 189, 248, 0.2);
}

.sec-hero::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.sec-hero::after {
    content: '';
    position: absolute;
    bottom: -120px;
    left: -80px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.16) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.sec-hero-inner {
    display: flex;
    align-items: center;
    gap: 2.2rem;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
    max-width: 680px;
}

.sec-shield {
    font-size: 5rem;
    animation: shieldPulse 2.6s ease-in-out infinite;
    filter: drop-shadow(0 0 24px rgba(56, 189, 248, 0.65)) drop-shadow(0 0 8px rgba(255, 255, 255, 0.4));
    flex-shrink: 0;
    line-height: 1;
}

@keyframes shieldPulse {
    0%, 100% {
        transform: scale(1) rotate(-2deg);
        filter: drop-shadow(0 0 20px rgba(56, 189, 248, 0.55));
    }
    50% {
        transform: scale(1.08) rotate(2deg);
        filter: drop-shadow(0 0 32px rgba(56, 189, 248, 0.85));
    }
}

.sec-hero h1 {
    color: #ffffff !important;
    font-size: clamp(2rem, 4.5vw, 3rem);
    margin: 0 0 0.5rem;
    letter-spacing: -0.035em;
    font-weight: 900;
    line-height: 1.15;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.sec-hero p {
    color: rgba(241, 245, 249, 0.9);
    font-size: 1.05rem;
    line-height: 1.6;
    margin: 0;
}

.sec-hero .sec-meta {
    font-size: 0.84rem;
    color: rgba(203, 213, 225, 0.75);
    margin-top: 0.85rem;
}

.sec-hero .sec-meta a {
    color: #38bdf8;
    text-decoration: underline;
    font-weight: 600;
    transition: color 0.2s ease;
}

.sec-hero .sec-meta a:hover {
    color: #ffffff;
}

.sec-hero-bg-art {
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    width: 460px;
    max-width: 45%;
    mix-blend-mode: multiply;
    pointer-events: none;
    z-index: 1;
    opacity: 0.95;
    filter: contrast(1.08) brightness(1.05);
    mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 1) 55%, rgba(0, 0, 0, 0) 88%);
    -webkit-mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 1) 55%, rgba(0, 0, 0, 0) 88%);
}

.sec-hero-bg-art img {
    width: 100%;
    height: auto;
    display: block;
}

.sec-hero-bg-art .multi-link-container,
.sec-hero-bg-art .linked-text-img,
.sec-hero-bg-art .carousel-group {
    pointer-events: auto;
}

@media (max-width: 860px) {
    .sec-hero {
        padding: 2.5rem 1.8rem;
    }
    .sec-hero-bg-art {
        opacity: 0.18;
        width: 280px;
        max-width: 65%;
        right: -15px;
    }
    .sec-hero-inner {
        max-width: 100%;
    }
}

/* ── Section Titles: Editorial & Authoritative ── */
.sec-section-title {
    font-size: clamp(1.4rem, 2.8vw, 1.9rem);
    font-weight: 850;
    color: #0f172a;
    letter-spacing: -0.03em;
    margin: 3.2rem 0 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.sec-section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    border-radius: 99px;
    background: linear-gradient(90deg, #0284c7 0%, rgba(2, 132, 199, 0) 100%);
}

.sec-section-title span {
    font-size: 1.6rem;
}

/* ── Checklist: High-Presence Floating Tiles ── */
.sec-checklist {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.25rem;
    margin: 2rem 0 3rem;
}

.sec-card {
    background: #ffffff;
    border-radius: 18px;
    padding: 1.4rem 1.5rem;
    border: 1px solid rgba(226, 232, 240, 0.8);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 10px 24px -2px rgba(15, 23, 42, 0.06);
    display: flex;
    gap: 1.1rem;
    align-items: flex-start;
    transition: all 0.26s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: default;
    position: relative;
    overflow: hidden;
}

.sec-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, #0284c7 0%, #38bdf8 100%);
    opacity: 0;
    transition: opacity 0.25s ease;
}

.sec-card:hover {
    transform: translateY(-5px);
    border-color: rgba(2, 132, 199, 0.35);
    box-shadow: 0 16px 36px -4px rgba(15, 30, 60, 0.12), 0 4px 12px rgba(2, 132, 199, 0.08);
}

.sec-card:hover::before {
    opacity: 1;
}

.sec-card-num {
    background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);
    color: #0369a1;
    font-weight: 800;
    font-size: 0.82rem;
    letter-spacing: 0.02em;
    border-radius: 10px;
    width: 32px;
    height: 32px;
    min-width: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 0.1rem;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(2, 132, 199, 0.15);
}

.sec-card-icon {
    font-size: 1.55rem;
    flex-shrink: 0;
    margin-top: 0.05rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.sec-card p {
    margin: 0;
    font-size: 0.94rem;
    color: #334155;
    line-height: 1.65;
}

/* ── Callout / Tip Box ── */
.sec-tip {
    background: linear-gradient(135deg, #f8fafc 0%, #f0fdf4 100%);
    border: 1px solid rgba(34, 197, 94, 0.25);
    border-left: 5px solid #16a34a;
    border-radius: 16px;
    padding: 1.3rem 1.6rem;
    margin: 1.8rem 0;
    font-size: 0.95rem;
    color: #1e293b;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
    line-height: 1.65;
}

.sec-tip strong {
    color: #0f172a;
}

.sec-tip a {
    color: #0284c7;
    font-weight: 700;
    text-decoration: underline;
}

.sec-tip a:hover {
    color: #0369a1;
}

/* ── Utilities ── */
.sec-divider {
    border: none;
    border-top: 1px solid #e2e8f0;
    margin: 3rem 0;
}

.back-top-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin: 1.2rem 0 0.8rem;
    padding: 0.65rem 1.4rem;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #ffffff !important;
    border-radius: 99px;
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    text-decoration: none !important;
    transition: all 0.24s ease;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.25);
}

.back-top-btn:hover {
    background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(2, 132, 199, 0.35);
}