* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #1a242b;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    line-height: 1.5;
    color: #FFFFFF;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.page {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    width: 100%;
    flex: 1;
}

.header {
    background: #303948;
    border-radius: 32px 32px 24px 24px;
    padding: 1.25rem 2rem;
    box-shadow: 
        inset 0 -2px 0 #1f2a33,
        inset 0 1px 4px rgba(255,255,255,0.08),
        0 12px 24px -12px rgba(0,0,0,0.8);
    border-bottom: 2px solid #3cbef2;
    margin-bottom: 3rem;
    position: relative;
}

.header::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 10%;
    width: 80%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #3cbef2, transparent);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.header__logo {
    display: block;
    width: 165px;
    height: auto;
    image-rendering: crisp-edges;
    filter: drop-shadow(0 4px 6px #0f171f);
}

.header__status {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: #25313c;
    padding: 0.5rem 1.5rem 0.5rem 1.2rem;
    border-radius: 100px;
    border: 1px solid #4a6072;
    box-shadow: 
        inset 0 1px 3px rgba(0,0,0,0.5),
        0 2px 4px rgba(0,0,0,0.3);
}

.header__status-indicator {
    width: 12px;
    height: 12px;
    background: #3cbef2;
    border-radius: 50%;
    box-shadow: 0 0 10px #3cbef2;
    border: 1px solid #a3dcff;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.6; }
    100% { opacity: 1; }
}

.header__status-text {
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    color: #d9ecff;
}

.hero {
    margin: 2rem 0 4rem;
    position: relative;
}

.hero__title {
    font-size: clamp(2.4rem, 8vw, 4rem);
    font-weight: 500;
    line-height: 1.1;
    text-shadow: 4px 4px 0 #1e2c38, 8px 8px 0 rgba(0,0,0,0.25);
    color: #FFFFFF;
    margin-bottom: 1rem;
}

.hero__title-accent {
    color: #3cbef2;
    text-shadow: 0 0 12px #3cbef2, 4px 4px 0 #1e2c38;
    position: relative;
    display: inline-block;
}

.hero__title-accent::after {
    content: '';
    position: absolute;
    bottom: 6px;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #3cbef2, transparent);
    border-radius: 2px;
}

.hero__sub {
    font-size: 1.2rem;
    color: #c8dfff;
    background: #2a3844;
    display: inline-block;
    padding: 0.7rem 2.2rem 0.7rem 1.8rem;
    border-radius: 40px;
    border-left: 6px solid #3cbef2;
    box-shadow: 
        inset 0 1px 4px rgba(160,220,255,0.3),
        0 8px 0 #1a2630;
    transform: translateY(-6px);
    font-weight: 450;
}

.mirrors {
    margin: 4rem 0 5rem;
}

.mirrors__header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.mirrors__title {
    font-size: 2rem;
    font-weight: 450;
    background: #303948;
    padding: 0.5rem 2rem;
    border-radius: 50px 12px 50px 12px;
    border: 2px solid #5e7a93;
    box-shadow: 
        inset -2px -2px 0 #1d2b35,
        6px 6px 0 #121b23;
    text-transform: lowercase;
    letter-spacing: 1.2px;
    white-space: nowrap;
}

.mirrors__etched {
    height: 4px;
    flex: 1;
    background: repeating-linear-gradient(90deg, #3cbef2 0px, #3cbef2 10px, transparent 10px, transparent 20px);
    opacity: 0.8;
    border-radius: 4px;
}

.mirrors__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.mirror-card {
    transition: transform 0.2s ease;
}

.mirror-card__plate {
    background: #2a3845;
    border: 2px solid #61809b;
    border-radius: 28px 8px 28px 8px;
    padding: 1.5rem 1.5rem 1.2rem;
    box-shadow: 
        inset 0 -4px 0 #1f2d37,
        inset 0 0 0 1px rgba(255,255,255,0.05),
        10px 10px 0 #15212b;
    display: flex;
    flex-direction: column;
    transition: all 0.2s ease;
    word-break: break-all;
    position: relative;
}

.mirror-card__plate:hover {
    transform: translate(-4px, -4px);
    box-shadow: 
        14px 14px 0 #0f1a22,
        0 0 0 2px #3cbef2 inset;
    border-color: #3cbef2;
}

.mirror-card__knurling {
    height: 8px;
    width: 70%;
    background: radial-gradient(circle at 10px 5px, #6e94b0 6px, transparent 7px);
    background-size: 24px 12px;
    opacity: 0.4;
    margin-bottom: 1rem;
}

.mirror-card__label {
    font-size: 0.8rem;
    text-transform: uppercase;
    background: #1c2b37;
    display: inline-block;
    width: fit-content;
    padding: 0.2rem 1.2rem;
    border-radius: 30px;
    border: 1px solid #49728f;
    color: #b6dbff;
    letter-spacing: 1.8px;
    margin-bottom: 0.8rem;
    font-weight: 500;
}

.mirror-card__url {
    font-size: 1.1rem;
    font-weight: 500;
    color: #FFFFFF;
    background: #1e2f3c;
    padding: 0.9rem 1rem;
    border-radius: 12px;
    border: 1px solid #5d86a3;
    box-shadow: inset 0 3px 6px rgba(0,0,0,0.6);
    word-break: break-all;
    cursor: pointer;
    transition: all 0.15s;
    margin: 0.5rem 0 0.8rem;
    line-height: 1.4;
    font-family: 'SF Mono', 'Inter', monospace;
}

.mirror-card__url:hover {
    background: #233847;
    border-color: #3cbef2;
}

.mirror-card__url:active {
    background: #2a4051;
    transform: scale(0.99);
}

.mirror-card__copy {
    background: #334b5b;
    border: 2px solid #5e86a2;
    border-radius: 40px;
    width: 46px;
    height: 46px;
    align-self: flex-end;
    cursor: pointer;
    box-shadow: 
        inset 0 -3px 0 #24333f,
        0 5px 0 #16232e;
    transition: all 0.08s linear;
    position: relative;
    margin-top: -1.2rem;
    margin-bottom: 0.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mirror-card__copy::after {
    content: "⎘";
    font-size: 1.5rem;
    color: #e2f0ff;
    line-height: 1;
    filter: drop-shadow(2px 2px 0 #17242f);
}

.mirror-card__copy:active {
    transform: translateY(5px);
    box-shadow: inset 0 -1px 0 #24333f, 0 1px 0 #16232e;
}

.mirror-card__latency {
    font-size: 0.8rem;
    color: #c0defa;
    background: #1d2d39;
    padding: 0.3rem 1rem;
    border-radius: 30px;
    border: 1px solid #417394;
    width: fit-content;
    margin-top: 0.5rem;
    font-family: monospace;
}

.validator {
    margin: 5rem 0 4rem;
    display: flex;
    justify-content: center;
}

.validator__dial {
    background: #2e3d4a;
    border-radius: 70px 70px 50px 50px;
    padding: 2.5rem 2.2rem 2.2rem;
    border: 3px solid #6c8fab;
    box-shadow: 
        inset 0 -12px 0 #1e2d39,
        inset 0 6px 14px #9ac2df,
        0 24px 28px -16px black;
    max-width: 700px;
    width: 100%;
    position: relative;
}

.validator__dial::before {
    content: '';
    position: absolute;
    top: -4px;
    left: 20px;
    right: 20px;
    height: 10px;
    background: linear-gradient(90deg, transparent, #3cbef2, transparent);
    border-radius: 50%;
    filter: blur(2px);
}

.validator__dial-inner {
    background: #253542;
    border-radius: 50px 20px 50px 20px;
    padding: 2.2rem 2rem;
    border: 2px solid #6e94b1;
    box-shadow: inset 0 0 30px #0f1d29;
}

.validator__heading {
    font-size: 2.1rem;
    font-weight: 450;
    color: #f3fbff;
    text-shadow: 3px 3px 0 #1f2f3b;
    margin-bottom: 0.75rem;
    letter-spacing: -0.5px;
}

.validator__hint {
    color: #bde0ff;
    background: #1d2e3c;
    padding: 0.5rem 1.5rem;
    border-radius: 60px;
    display: inline-block;
    margin-bottom: 2rem;
    font-size: 0.95rem;
    border: 1px solid #3f6b89;
    box-shadow: inset 0 1px 4px #0a1b26;
}

.validator__input-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: 1.2rem;
}

.validator__field {
    flex: 3 1 240px;
    background: #1d2d3a;
    border: 3px solid #537792;
    padding: 1rem 1.5rem;
    border-radius: 60px;
    font-size: 1rem;
    color: #ffffff;
    box-shadow: 
        inset 0 5px 10px #0a1a24,
        0 2px 0 #334f63;
    transition: all 0.15s;
}

.validator__field:focus {
    border-color: #3cbef2;
    outline: none;
    background: #1f3342;
    box-shadow: inset 0 5px 10px #0a1a24, 0 0 0 3px rgba(60,190,242,0.3);
}

.validator__field::placeholder {
    color: #95b5cf;
    opacity: 0.7;
}

.validator__button {
    flex: 1 0 110px;
    background: #364f62;
    border: 3px solid #6f9bbd;
    border-radius: 60px;
    color: white;
    font-weight: 600;
    font-size: 1.2rem;
    text-transform: uppercase;
    box-shadow: 
        inset 0 -6px 0 #253744,
        0 7px 0 #1b2c39;
    cursor: pointer;
    transition: all 0.08s linear;
    padding: 0 1.5rem;
    letter-spacing: 0.5px;
}

.validator__button:active {
    transform: translateY(7px);
    box-shadow: inset 0 -2px 0 #253744, 0 1px 0 #1b2c39;
}

.validator__button:hover {
    background: #3d5a70;
    border-color: #7fafd4;
}

.validator__result {
    min-height: 3.5rem;
    font-weight: 500;
    padding: 0.8rem 1.5rem;
    border-radius: 40px;
    word-break: break-word;
    font-size: 1rem;
}

.validator__result.success {
    background: rgba(60, 190, 242, 0.12);
    border: 2px solid #3cbef2;
    color: #d3f0ff;
    box-shadow: inset 0 0 15px #135a7a;
}

.validator__result.error {
    background: rgba(255, 90, 110, 0.12);
    border: 2px solid #ff6b84;
    color: #ffc4d0;
    box-shadow: inset 0 0 15px #5a1e2b;
}

.validator__screw {
    position: absolute;
    width: 24px;
    height: 24px;
    background: radial-gradient(circle at 40% 40%, #b8d4ea, #2e4b62);
    border-radius: 50%;
    border: 2px solid #8bb1cd;
    box-shadow: 
        inset -3px -3px 0 #1b3443,
        0 0 0 2px #1e2e3b;
}

.validator__screw--tl { top: 12px; left: 25px; }
.validator__screw--tr { top: 12px; right: 25px; }
.validator__screw--bl { bottom: 12px; left: 25px; }
.validator__screw--br { bottom: 12px; right: 25px; }

.section-title {
    font-size: 2.2rem;
    font-weight: 500;
    margin-bottom: 2.5rem;
    color: #3cbef2;
    text-shadow: 3px 3px 0 #1d2f3a;
    border-left: 8px solid #3cbef2;
    padding-left: 1.8rem;
    line-height: 1.2;
}

.intro-section, .access-guide, .feature-breakdown, .security-protocols, .vendor-ecosystem, .transaction-flow, .comparison-matrix, .registration-walkthrough, .security-best-practices, .faq-section, .statistics-panel, .beginner-resources, .seo-keywords-section {
    margin: 4rem 0;
}

.intro-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.intro-card {
    background: #2a3a47;
    border-radius: 30px 8px 30px 8px;
    padding: 2rem;
    border: 2px solid #6287a3;
    box-shadow: 10px 10px 0 #14212b;
}

.intro-card h3 {
    color: #3cbef2;
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.intro-card p {
    color: #d9edff;
    line-height: 1.6;
}

.access-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.access-step {
    background: #2b3d4b;
    border-radius: 30px 8px 30px 8px;
    padding: 2rem;
    border: 2px solid #567e9c;
    box-shadow: 8px 8px 0 #14232f;
    position: relative;
}

.step-number {
    font-size: 3rem;
    font-weight: 600;
    color: rgba(60, 190, 242, 0.2);
    position: absolute;
    top: 10px;
    right: 15px;
    line-height: 1;
}

.access-step h3 {
    color: #3cbef2;
    margin-bottom: 1rem;
    font-size: 1.3rem;
    position: relative;
    z-index: 1;
}

.access-step p {
    color: #d1e7ff;
    position: relative;
    z-index: 1;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-item {
    background: #2b3d4b;
    border-radius: 30px 8px 30px 8px;
    padding: 2rem;
    border: 2px solid #567e9c;
    box-shadow: 8px 8px 0 #14232f;
}

.feature-item h3 {
    color: #3cbef2;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.feature-item p {
    color: #d1e7ff;
    line-height: 1.6;
}

.security-content {
    background: #253744;
    padding: 2.2rem;
    border-radius: 50px 12px 50px 12px;
    border: 2px solid #4b7797;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.05), 10px 10px 0 #13222e;
}

.security-content h3 {
    color: #3cbef2;
    margin: 2rem 0 1rem;
    font-size: 1.5rem;
}

.security-content h3:first-of-type {
    margin-top: 0;
}

.security-content p {
    margin-bottom: 1.4rem;
    color: #d9edff;
    line-height: 1.7;
}

.vendor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.vendor-category {
    background: #2b3d4b;
    border-radius: 30px 8px 30px 8px;
    padding: 2rem;
    border: 2px solid #567e9c;
    box-shadow: 8px 8px 0 #14232f;
}

.vendor-category h3 {
    color: #3cbef2;
    margin-bottom: 1.2rem;
    font-size: 1.4rem;
}

.vendor-category ul {
    list-style: none;
}

.vendor-category li {
    color: #d1e7ff;
    padding: 0.4rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.vendor-category li::before {
    content: '●';
    color: #3cbef2;
    position: absolute;
    left: 0;
    font-size: 1rem;
}

.flow-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.flow-step {
    background: #2b3d4b;
    border-radius: 30px 8px 30px 8px;
    padding: 2rem;
    border: 2px solid #567e9c;
    box-shadow: 8px 8px 0 #14232f;
}

.flow-step h3 {
    color: #3cbef2;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.flow-step p {
    color: #d1e7ff;
    line-height: 1.6;
}

.comparison-table {
    background: #2b3d4b;
    border-radius: 30px 8px 30px 8px;
    padding: 2rem;
    border: 2px solid #567e9c;
    box-shadow: 8px 8px 0 #14232f;
    overflow-x: auto;
}

.comparison-row {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 1rem;
    padding: 0.8rem 0;
    border-bottom: 1px solid #3e5e73;
}

.comparison-row:last-child {
    border-bottom: none;
}

.header-row {
    font-weight: 600;
    color: #3cbef2;
    border-bottom: 2px solid #3cbef2;
    padding-bottom: 1rem;
    margin-bottom: 0.5rem;
}

.comparison-cell {
    color: #d1e7ff;
}

.walkthrough-content {
    background: #253744;
    padding: 2.2rem;
    border-radius: 50px 12px 50px 12px;
    border: 2px solid #4b7797;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.05), 10px 10px 0 #13222e;
}

.walkthrough-content p {
    color: #d9edff;
    line-height: 1.7;
    font-size: 1.1rem;
}

.practices-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.practice-item {
    background: #2b3d4b;
    border-radius: 30px 8px 30px 8px;
    padding: 2rem;
    border: 2px solid #567e9c;
    box-shadow: 8px 8px 0 #14232f;
}

.practice-item h3 {
    color: #3cbef2;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.practice-item p {
    color: #d1e7ff;
    line-height: 1.6;
}

.faq-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.faq-pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.faq-question {
    background: #2b3d4b;
    border-radius: 30px 8px 30px 8px;
    padding: 2rem;
    border: 2px solid #567e9c;
    box-shadow: 8px 8px 0 #14232f;
}

.faq-question h3 {
    color: #3cbef2;
    margin-bottom: 1rem;
    font-size: 1.2rem;
    line-height: 1.4;
}

.faq-question p {
    color: #d1e7ff;
    line-height: 1.6;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    background: #2b3d4b;
    border-radius: 20px;
    padding: 1.5rem;
    text-align: center;
    border: 2px solid #567e9c;
    box-shadow: 5px 5px 0 #14232f;
}

.stat-value {
    font-size: 2rem;
    font-weight: 600;
    color: #3cbef2;
    margin-bottom: 0.3rem;
}

.stat-label {
    color: #d1e7ff;
    font-size: 0.9rem;
}

.resources-content {
    background: #253744;
    padding: 2.2rem;
    border-radius: 50px 12px 50px 12px;
    border: 2px solid #4b7797;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.05), 10px 10px 0 #13222e;
}

.resources-content p {
    color: #d9edff;
    line-height: 1.7;
    font-size: 1.1rem;
}

.keywords-content {
    background: #253744;
    padding: 2.2rem;
    border-radius: 50px 12px 50px 12px;
    border: 2px solid #4b7797;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.05), 10px 10px 0 #13222e;
}

.keywords-content p {
    color: #d9edff;
    line-height: 1.8;
    font-size: 1.1rem;
}

.keywords-content strong {
    color: #3cbef2;
}

.seal {
    background: #283946;
    border-radius: 70px 12px 70px 12px;
    padding: 1.8rem 2.2rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    border: 2px solid #608faf;
    box-shadow: 
        0 0 0 4px #2e3f4c,
        14px 14px 0 #12222e;
    margin: 4rem 0 2.5rem;
}

.seal__badge {
    background: #1d313f;
    border-radius: 100px;
    padding: 0.6rem 2rem;
    border: 3px ridge #5f9bc2;
    text-align: center;
    box-shadow: inset 0 2px 6px #0d1f2b;
}

.seal__year {
    font-size: 2.2rem;
    font-weight: 600;
    color: #3cbef2;
    margin-right: 0.7rem;
    text-shadow: 0 0 10px #3cbef2;
}

.seal__mark {
    color: #def1ff;
    font-size: 1.3rem;
    letter-spacing: 1.5px;
}

.seal__keys {
    display: flex;
    gap: 1.2rem;
    flex-wrap: wrap;
}

.seal__key {
    background: #1f323f;
    padding: 0.6rem 1.5rem;
    border-radius: 40px;
    border: 1px solid #5787aa;
    font-size: 0.95rem;
    color: #c6e5ff;
    box-shadow: 
        inset 0 2px 5px #14232e,
        0 4px 0 #11222d;
    font-weight: 450;
}

.footer {
    margin-top: 4rem;
    text-align: center;
    padding: 1.5rem;
    background: #26333e;
    border-radius: 0 0 60px 60px;
    border-top: 4px solid #3cbef2;
    box-shadow: 
        inset 0 8px 12px #192834,
        0 -4px 0 #1a2a35;
    position: relative;
}

.footer__grain {
    height: 10px;
    background: repeating-linear-gradient(45deg, #314957, #314957 10px, #3f596a 10px, #3f596a 20px);
    opacity: 0.3;
    border-radius: 4px;
    width: 100%;
    margin-bottom: 1rem;
}

.footer__note {
    font-size: 0.95rem;
    color: #bcdcff;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    font-weight: 400;
}

@media (max-width: 900px) {
    .faq-pair {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 700px) {
    .page { padding: 1rem; }
    .header { padding: 1rem 1.2rem; }
    .header__inner { flex-direction: column; align-items: flex-start; }
    .mirrors__title { font-size: 1.5rem; white-space: normal; }
    .mirrors__header { flex-wrap: wrap; gap: 1rem; }
    .hero__title { font-size: 2.2rem; }
    .hero__sub { font-size: 1rem; }
    .validator__dial { padding: 1.2rem; }
    .validator__dial-inner { padding: 1.5rem; }
    .validator__heading { font-size: 1.6rem; }
    .section-title { font-size: 1.8rem; }
    .seal { flex-direction: column; align-items: flex-start; gap: 1.8rem; }
    .comparison-row { grid-template-columns: 1fr 1fr 1fr 1fr; font-size: 0.9rem; }
}

@media (max-width: 480px) {
    .mirrors__grid { grid-template-columns: 1fr; }
    .validator__input-group { flex-direction: column; }
    .validator__button { padding: 1rem; }
    .intro-card { padding: 1.5rem; }
    .seal__keys { gap: 0.8rem; }
    .seal__key { font-size: 0.85rem; padding: 0.4rem 1rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .comparison-row { grid-template-columns: 1fr; gap: 0.3rem; }
    .header-row { display: none; }
    .comparison-cell:first-child { font-weight: 600; color: #3cbef2; }
}