/* --- Root Variables & Reset --- */
:root {
    --obsidian: #050607;
    --neon-cyan: #5AF3FF;
    --neon-glow: rgba(90, 243, 255, 0.6);
    --text-white: #f0f0f0;
    --text-gray: #a0a0a0;
    --transition: all 0.3s ease;
}

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

body.CrdSelvBodMain {
    background-color: var(--obsidian);
    color: var(--text-white);
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* --- Layout Containers --- */
.CrdSelvContnrG {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.CrdSelvContnrH {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

/* --- Header & Navigation --- */
.CrdSelvHeadTop {
    background-color: rgba(5, 6, 7, 0.9);
    border-bottom: 2px solid var(--neon-cyan);
    box-shadow: 0 4px 15px rgba(90, 243, 255, 0.2);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.CrdSelvLogoTxt {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--neon-cyan);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 0 10px var(--neon-glow);
}

.CrdSelvNavList {
    list-style: none;
    display: flex;
    gap: 25px;
}

.CrdSelvNavLink {
    color: var(--text-white);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    position: relative;
}

.CrdSelvNavLink:hover {
    color: var(--neon-cyan);
    text-shadow: 0 0 8px var(--neon-glow);
}

/* --- Burger Menu --- */
.CrdSelvMenuInp {
    display: none;
}

.CrdSelvBrgrBtn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.CrdSelvBrgrBtn span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--neon-cyan);
    transition: var(--transition);
}

/* --- Hero Section --- */
.CrdSelvHeroWrp {
    padding: 80px 0;
    position: relative;
    background-image: radial-gradient(circle at 50% 50%, rgba(90, 243, 255, 0.05) 0%, transparent 70%);
}

.CrdSelvHeroRow {
    display: flex;
    align-items: center;
    gap: 50px;
    margin-bottom: 60px;
}

.CrdSelvHeroLft, .CrdSelvHeroRgt {
    flex: 1;
}

.CrdSelvMainImg {
    width: 100%;
    border-radius: 10px;
    border: 1px solid var(--neon-cyan);
    box-shadow: 0 0 20px rgba(90, 243, 255, 0.3);
    object-fit: cover;
}

.CrdSelvMainTtl {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 20px;
    color: #fff;
}

.CrdSelvSubTitle {
    font-size: 1.4rem;
    color: var(--neon-cyan);
    margin-bottom: 25px;
    font-weight: 300;
}

.CrdSelvDescTxt {
    margin-bottom: 20px;
    color: var(--text-gray);
    font-size: 1.1rem;
}

.CrdSelvCtaBtnN {
    display: inline-block;
    padding: 15px 40px;
    background-color: var(--neon-cyan);
    color: var(--obsidian);
    text-decoration: none;
    font-weight: bold;
    border-radius: 5px;
    text-transform: uppercase;
    transition: var(--transition);
    box-shadow: 0 0 15px var(--neon-glow);
}

.CrdSelvCtaBtnN:hover {
    background-color: #fff;
    box-shadow: 0 0 25px var(--neon-cyan);
    transform: translateY(-3px);
}

.CrdSelvHeroGrd {
    display: flex;
    gap: 30px;
    justify-content: space-between;
}

.CrdSelvHeroCrd {
    flex: 1;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(90, 243, 255, 0.1);
    padding: 15px;
    border-radius: 8px;
    transition: var(--transition);
}

.CrdSelvHeroCrd:hover {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 15px rgba(90, 243, 255, 0.2);
}

.CrdSelvGrdImgs {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 15px;
}

.CrdSelvGrdTxts {
    font-size: 0.95rem;
    text-align: center;
    color: var(--text-white);
}

/* --- Section Shared --- */
.CrdSelvSctTitl {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 15px;
}

.CrdSelvSctTitl::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--neon-cyan);
    box-shadow: 0 0 10px var(--neon-cyan);
}

/* --- Reviews Slider --- */
.CrdSelvRevwWrp {
    padding: 100px 0;
    background-color: #0a0c0e;
}

.CrdSelvSlidCtr {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
}

.CrdSelvSlidInp {
    display: none;
}

.CrdSelvSlidInn {
    display: flex;
    transition: transform 0.5s ease-in-out;
    width: 300%;
}

.CrdSelvSlidItm {
    width: 33.333%;
    padding: 20px;
}

.CrdSelvRevCard {
    background: #050607;
    border: 1px solid var(--neon-cyan);
    padding: 40px;
    border-radius: 15px;
    text-align: center;
}

.CrdSelvRevQuote {
    font-style: italic;
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.CrdSelvRevAuth {
    color: var(--neon-cyan);
    font-weight: bold;
}

.CrdSelvSlidNav {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.CrdSelvSlidDot {
    width: 12px;
    height: 12px;
    border: 1px solid var(--neon-cyan);
    border-radius: 50%;
    cursor: pointer;
}

#rev1:checked ~ .CrdSelvSlidInn { transform: translateX(0); }
#rev2:checked ~ .CrdSelvSlidInn { transform: translateX(-33.333%); }
#rev3:checked ~ .CrdSelvSlidInn { transform: translateX(-66.666%); }

#rev1:checked ~ .CrdSelvSlidNav label:nth-child(1),
#rev2:checked ~ .CrdSelvSlidNav label:nth-child(2),
#rev3:checked ~ .CrdSelvSlidNav label:nth-child(3) {
    background-color: var(--neon-cyan);
    box-shadow: 0 0 10px var(--neon-cyan);
}

/* --- For Whom / Services --- */
.CrdSelvTargWrp {
    padding: 100px 0;
}

.CrdSelvSctDesc {
    text-align: center;
    max-width: 700px;
    margin: -20px auto 50px;
    color: var(--text-gray);
}

.CrdSelvServGrd {
    display: flex;
    gap: 30px;
    margin-bottom: 60px;
}

.CrdSelvServItm {
    flex: 1;
    background: #0a0c0e;
    padding: 25px;
    border-radius: 10px;
    border-bottom: 4px solid transparent;
    transition: var(--transition);
}

.CrdSelvServItm:hover {
    border-color: var(--neon-cyan);
    transform: translateY(-10px);
}

.CrdSelvServImg {
    width: 100%;
    border-radius: 5px;
    margin-bottom: 20px;
}

.CrdSelvServTtl {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--neon-cyan);
}

.CrdSelvServTxt {
    font-size: 0.95rem;
    color: var(--text-gray);
    margin-bottom: 15px;
}

.CrdSelvServPrc {
    display: block;
    font-weight: bold;
    color: #fff;
}

.CrdSelvCheckLst {
    list-style: none;
    max-width: 800px;
    margin: 0 auto;
}

.CrdSelvCheckItm {
    padding-left: 35px;
    position: relative;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.CrdSelvCheckItm::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--neon-cyan);
    font-weight: bold;
    text-shadow: 0 0 5px var(--neon-cyan);
}

/* --- Pricing --- */
.CrdSelvPricWrp {
    padding: 100px 0;
    background: linear-gradient(180deg, #050607 0%, #0a0c0e 100%);
}

.CrdSelvPricRow {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.CrdSelvPricCrd {
    flex: 1;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(90, 243, 255, 0.2);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
}

.CrdSelvTierPop {
    border: 2px solid var(--neon-cyan);
    box-shadow: 0 0 30px rgba(90, 243, 255, 0.1);
    transform: scale(1.05);
    background: rgba(90, 243, 255, 0.05);
}

.CrdSelvTierTtl {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.CrdSelvTierPrc {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--neon-cyan);
    margin-bottom: 25px;
}

.CrdSelvTierLst {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
}

.CrdSelvTierLst li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.95rem;
}

.CrdSelvTierBtn {
    display: block;
    padding: 12px;
    border: 1px solid var(--neon-cyan);
    color: var(--neon-cyan);
    text-decoration: none;
    border-radius: 5px;
    transition: var(--transition);
}

.CrdSelvTierBtn:hover {
    background: var(--neon-cyan);
    color: var(--obsidian);
}

.CrdSelvFastLnk {
    text-align: center;
    margin-top: 50px;
}

.CrdSelvFastLnk a {
    color: var(--neon-cyan);
    text-decoration: none;
    margin: 0 10px;
}

/* --- Benefits --- */
.CrdSelvBeneRow {
    display: flex;
    align-items: center;
    gap: 60px;
    padding: 80px 0;
}

.CrdSelvBeneLft, .CrdSelvBeneRgt {
    flex: 1;
}

.CrdSelvBeneImg {
    width: 100%;
    border-radius: 15px;
    box-shadow: -15px 15px 0 var(--neon-cyan);
}

/* --- Expert Quote --- */
.CrdSelvExptWrp {
    padding: 100px 0;
    background: url('https://placehold.co/1920x600/050607/0a0c0e?text=Cyber+Grid&width=1920&height=600') center/cover;
}

.CrdSelvExptBox {
    background: rgba(5, 6, 7, 0.85);
    border-left: 5px solid var(--neon-cyan);
    padding: 60px;
    max-width: 900px;
    margin: 0 auto;
}

.CrdSelvExptQt {
    font-size: 1.8rem;
    line-height: 1.4;
    margin-bottom: 30px;
}

.CrdSelvExptName {
    font-size: 1.5rem;
    color: var(--neon-cyan);
    font-weight: bold;
}

/* --- FAQ --- */
.CrdSelvFaqqWrp {
    padding: 100px 0;
}

.CrdSelvFaqqBox {
    max-width: 800px;
    margin: 0 auto;
}

.CrdSelvFaqqDet {
    background: #0a0c0e;
    margin-bottom: 15px;
    border-radius: 8px;
    border: 1px solid rgba(90, 243, 255, 0.1);
}

.CrdSelvFaqqSum {
    padding: 20px;
    cursor: pointer;
    font-weight: bold;
    font-size: 1.1rem;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.CrdSelvFaqqSum::after {
    content: '+';
    color: var(--neon-cyan);
    font-size: 1.5rem;
}

.CrdSelvFaqqDet[open] .CrdSelvFaqqSum::after {
    content: '-';
}

.CrdSelvFaqqAns {
    padding: 0 20px 20px;
    color: var(--text-gray);
}

/* --- Text Sections --- */
.CrdSelvTxtSctA, .CrdSelvTxtSctB, .CrdSelvTxtSctC {
    padding: 80px 0;
}

.CrdSelvSubHTtl {
    margin: 30px 0 20px;
    color: var(--neon-cyan);
    font-size: 1.6rem;
}

.CrdSelvTwinCol {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

.CrdSelvTwinCol > div {
    flex: 1;
    background: rgba(255,255,255,0.02);
    padding: 30px;
    border-radius: 10px;
}

.CrdSelvTwinTtl {
    color: var(--neon-cyan);
    margin-bottom: 15px;
}

/* --- Form --- */
.CrdSelvFormWrp {
    padding: 100px 0;
    background: #0a0c0e;
}

.CrdSelvFormBox {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.CrdSelvFormTag {
    text-align: left;
    margin-top: 40px;
    background: #050607;
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--neon-cyan);
}

.CrdSelvInpGrp {
    margin-bottom: 20px;
}

.CrdSelvLbl {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

.CrdSelvFld, .CrdSelvArea {
    width: 100%;
    padding: 12px;
    background: #121416;
    border: 1px solid #333;
    color: #fff;
    border-radius: 5px;
}

.CrdSelvFld:focus, .CrdSelvArea:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: 0 0 10px rgba(90, 243, 255, 0.3);
}

.CrdSelvArea {
    height: 120px;
    resize: none;
}

.CrdSelvChkGrp {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 25px;
}

.CrdSelvChkLbl {
    font-size: 0.85rem;
    color: var(--text-gray);
}

.CrdSelvChkLbl a {
    color: var(--neon-cyan);
}

.CrdSelvSubBtn {
    width: 100%;
    padding: 15px;
    background: var(--neon-cyan);
    color: var(--obsidian);
    border: none;
    font-weight: bold;
    text-transform: uppercase;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
}

.CrdSelvSubBtn:hover {
    box-shadow: 0 0 20px var(--neon-cyan);
    transform: scale(1.02);
}

/* --- Footer --- */
.CrdSelvFootBot {
    padding: 60px 0;
    border-top: 1px solid #333;
    background: #050607;
}

.CrdSelvFootUp {
    text-align: center;
    margin-bottom: 30px;
}

.CrdSelvFootEml a {
    color: var(--neon-cyan);
    text-decoration: none;
}

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

.CrdSelvFootLnk a {
    color: var(--text-gray);
    text-decoration: none;
    font-size: 0.85rem;
}

.CrdSelvFootLnk a:hover {
    color: var(--neon-cyan);
}

/* --- Responsive --- */
@media (max-width: 992px) {
    .CrdSelvHeroRow, .CrdSelvBeneRow, .CrdSelvServGrd, .CrdSelvPricRow {
        flex-direction: column;
    }
    
    .CrdSelvTierPop {
        transform: scale(1);
    }

    .CrdSelvMainTtl {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .CrdSelvNavigat {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--obsidian);
        transition: var(--transition);
        padding: 40px;
    }

    .CrdSelvNavList {
        flex-direction: column;
        align-items: center;
    }

    .CrdSelvBrgrBtn {
        display: flex;
    }

    #CrdSelvMenuTgl:checked ~ .CrdSelvNavigat {
        left: 0;
    }

    #CrdSelvMenuTgl:checked ~ .CrdSelvBrgrBtn span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 6px);
    }
    #CrdSelvMenuTgl:checked ~ .CrdSelvBrgrBtn span:nth-child(2) {
        opacity: 0;
    }
    #CrdSelvMenuTgl:checked ~ .CrdSelvBrgrBtn span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -6px);
    }

    .CrdSelvHeroGrd {
        flex-direction: column;
    }
}