/* ============================
   GLOBAL RESET & TYPOGRAPHY
============================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #fff;
    background-color: #0a0a0a;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    transition: all 0.3s ease;
}

/* ============================
   HEADER & NAVIGATION
============================ */
.sticky-header {
    position: sticky;
    top: 0;
    z-index: 999;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(6px);
    width: 100%;
}

.header-inner {
    max-width: 1200px;
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
}

.logo img {
    height: 50px;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
}

.main-nav a {
    color: #fff;
    font-weight: 500;
    padding: 8px 10px;
    border-radius: 4px;
}

.main-nav a:hover {
    background: #ffd700;
    color: #000;
}

.menu-toggle {
    display: none;
    font-size: 26px;
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
}

@media(max-width:768px){
    .menu-toggle { display: block; }
    .main-nav { display: none; flex-direction: column; background: rgba(0,0,0,0.9); padding: 10px 15px; position: absolute; top: 60px; right: 20px; border-radius: 8px; }
    .main-nav.active { display: flex; }
    .main-nav ul { flex-direction: column; gap: 10px; }
}

/* ============================
   HERO SECTION
============================ */
.hero-section {
    position: relative;
    height: 400px;
    background: url('/images/crypto-security-banner.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    text-align: center;
}

.hero-overlay {
    background: rgba(0,0,0,0.6);
    padding: 30px 20px;
    border-radius: 8px;
    z-index: 2;
}

.hero-video-container {
    position: relative;
    margin-top: 20px;
    max-width: 700px;
    width: 90%;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.6);
}

.hero-video-container video {
    width: 100%;
    height: auto;
    display: block;
}

/* ============================
   BREADCRUMB
============================ */
.breadcrumb-container {
    background: url('/images/breadcrumb-banner.jpg') center/cover no-repeat;
    padding: 15px 20px;
    text-align: center;
    margin-bottom: 20px;
    border-radius: 8px;
}

.breadcrumb-container h2 {
    color: #ffd700;
    font-size: 1.5rem;
}

/* ============================
   SECTION BLOCKS
============================ */
.section-block {
    background: #1a1a1a;
    margin: 20px auto;
    padding: 20px;
    border-radius: 8px;
    max-width: 1200px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.section-block img {
    width: 100%;
    max-width: 400px;
    border-radius: 8px;
    margin-bottom: 15px;
}

.section-block h3 {
    color: #ffd700;
    margin-bottom: 10px;
    font-size: 1.8rem;
}

.section-block p {
    font-size: 1rem;
    line-height: 1.7;
    color: #ddd;
    margin-bottom: 15px;
}

.section-block a.cta-btn {
    background: #ffd700;
    color: #000;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: bold;
    text-decoration: none;
}

.section-block a.cta-btn:hover {
    background: #ffb800;
}

/* ============================
   FOOTER
============================ */
footer {
    background: #111;
    color: #fff;
    padding: 40px 20px;
    text-align: center;
}

.footer-sections {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.footer-block {
    flex: 1 1 250px;
    background: #1a1a1a;
    border-radius: 8px;
    padding: 20px;
}

.footer-block img {
    width: 60px;
    margin-bottom: 10px;
}

.footer-block h3 {
    color: #ffd700;
    margin-bottom: 10px;
}

.footer-block p {
    color: #ddd;
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.footer-block a {
    display: inline-block;
    background: #ffd700;
    color: #000;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: bold;
    text-decoration: none;
}

.footer-block a:hover {
    background: #ffb800;
}

.footer-social a {
    margin: 0 10px;
    color: #ffd700;
    font-weight: bold;
}

/* ============================
   SCROLL TO TOP
============================ */
button.scroll-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #ffd700;
    color: #000;
    border: none;
    padding: 12px 16px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
}

/* ============================
   RESPONSIVE
============================ */
@media(max-width: 768px){
    .section-block {
        padding: 15px;
    }
    .hero-section {
        height: 300px;
    }
    .hero-video-container {
        max-width: 95%;
    }
    .breadcrumb-container h2 {
        font-size: 1.3rem;
    }
    .footer-sections {
        flex-direction: column;
        gap: 16px;
    }
}