/* ============================================
   CryptoVision - Tech Blue Theme
   Turquoise Cyan + Deep Black Premium Design
   ============================================ */

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

:root {
    --bg-primary: #050a14;
    --bg-secondary: #0a1220;
    --bg-card: #0f1a2e;
    --cyan-primary: #00d4ff;
    --cyan-light: #4dd9ff;
    --cyan-dark: #0099cc;
    --teal: #14b8a6;
    --text-light: #e6f1ff;
    --text-muted: #8892b0;
    --gradient-main: linear-gradient(135deg, #00d4ff 0%, #0099cc 50%, #006d99 100%);
    --gradient-accent: linear-gradient(135deg, #00d4ff 0%, #14b8a6 100%);
    --gradient-card: linear-gradient(145deg, #0f1a2e 0%, #0a1220 100%);
}

body {
    background: var(--bg-primary);
    color: var(--text-light);
    font-family: 'Poppins', 'Segoe UI', sans-serif;
    min-height: 100vh;
    background-image:
        radial-gradient(circle at 20% 25%, rgba(0, 212, 255, 0.12) 0%, transparent 45%),
        radial-gradient(circle at 80% 75%, rgba(20, 184, 166, 0.10) 0%, transparent 45%),
        radial-gradient(circle at 50% 100%, rgba(0, 153, 204, 0.08) 0%, transparent 50%);
    overflow-x: hidden;
}

/* ============= NAVBAR ============= */
.navbar-cv {
    background: rgba(5, 10, 20, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
    padding: 18px 40px;
    box-shadow: 0 4px 30px rgba(0, 212, 255, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-cv .navbar-brand {
    color: var(--cyan-primary) !important;
    font-weight: 800;
    font-size: 28px;
    letter-spacing: 1px;
}

.navbar-cv .navbar-brand i {
    margin-right: 8px;
    color: var(--cyan-primary);
}

.navbar-cv .nav-link {
    color: var(--text-light) !important;
    margin: 0 10px;
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
    padding: 8px 4px !important;
}

.navbar-cv .nav-link:hover {
    color: var(--cyan-primary) !important;
}

.navbar-cv .nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: var(--cyan-primary);
    bottom: 0;
    left: 50%;
    transition: all 0.3s;
}

.navbar-cv .nav-link:hover::after {
    width: 80%;
    left: 10%;
}

.btn-logout {
    background: transparent;
    border: 1.5px solid var(--cyan-primary);
    color: var(--cyan-primary) !important;
    padding: 8px 20px;
    border-radius: 25px;
    transition: all 0.3s;
    font-weight: 600;
}

.btn-logout:hover {
    background: var(--cyan-primary);
    color: #050a14 !important;
    box-shadow: 0 0 25px rgba(0, 212, 255, 0.5);
}

.cart-badge {
    background: var(--cyan-primary);
    color: #050a14;
    font-weight: 700;
    margin-left: 6px;
    padding: 4px 9px !important;
    border-radius: 50px;
}

/* ============= BUTTONS ============= */
.btn-cv, .btn-gold {
    background: var(--gradient-main);
    color: #050a14;
    border: none;
    font-weight: 700;
    padding: 12px 30px;
    border-radius: 50px;
    transition: all 0.3s;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.btn-cv:hover, .btn-gold:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.5);
    color: #050a14;
}

.btn-outline-cv, .btn-outline-gold {
    background: transparent;
    border: 2px solid var(--cyan-primary);
    color: var(--cyan-primary);
    font-weight: 600;
    padding: 10px 24px;
    border-radius: 50px;
    transition: all 0.3s;
}

.btn-outline-cv:hover, .btn-outline-gold:hover {
    background: var(--cyan-primary);
    color: #050a14;
}

/* ============= HERO / WELCOME ============= */
.welcome-h1 {
    text-align: center;
    color: var(--cyan-primary);
    font-size: 48px;
    font-weight: 800;
    margin: 50px 0 30px;
    letter-spacing: 1px;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
}

/* ============= JUMBOTRON / HERO ============= */
.jumbotron-cv {
    position: relative;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(20, 184, 166, 0.08) 100%),
        url('https://images.unsplash.com/photo-1639762681485-074b7f938ba0?w=1920&q=80');
    background-size: cover;
    background-position: center;
    color: #fff;
    padding: 100px 40px;
    border-radius: 25px;
    margin: 40px 0;
    text-align: center;
    border: 1px solid rgba(0, 212, 255, 0.3);
    overflow: hidden;
}

.jumbotron-cv::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(5, 10, 20, 0.88) 0%, rgba(10, 18, 32, 0.78) 100%);
    z-index: 1;
}

.jumbotron-cv > * {
    position: relative;
    z-index: 2;
}

.jumbotron-cv h1 {
    color: var(--cyan-primary);
    font-size: 60px;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: 1px;
    text-shadow: 0 0 40px rgba(0, 212, 255, 0.5);
}

.jumbotron-cv p {
    font-size: 19px;
    color: #cbd5e1;
    max-width: 750px;
    margin: 0 auto 25px;
    line-height: 1.7;
}

/* ============= CAROUSEL ============= */
.carousel-cv {
    border-radius: 25px;
    overflow: hidden;
    border: 1px solid rgba(0, 212, 255, 0.25);
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.15);
    margin-bottom: 50px;
}

.carousel-cv .carousel-inner {
    border-radius: 25px;
}

.carousel-cv .carousel-item {
    height: 550px;
}

.carousel-cv .carousel-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.55);
}

.carousel-cv .carousel-caption {
    background: rgba(5, 10, 20, 0.75);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px 50px;
    border: 1px solid rgba(0, 212, 255, 0.4);
    bottom: 60px;
    left: 10%;
    right: 10%;
}

.carousel-cv .carousel-caption h2 {
    color: var(--cyan-primary);
    font-weight: 800;
    font-size: 38px;
    margin-bottom: 10px;
    text-shadow: 0 0 25px rgba(0, 212, 255, 0.5);
}

.carousel-cv .carousel-caption p {
    font-size: 18px;
    color: #e2e8f0;
}

.carousel-control-prev, .carousel-control-next {
    width: 8%;
    opacity: 0.8;
}

.carousel-indicators li {
    background-color: var(--cyan-primary);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: none;
}

/* ============= SECTION TITLES ============= */
.section-title {
    text-align: center;
    margin: 80px 0 50px;
    color: var(--cyan-primary);
    font-size: 42px;
    font-weight: 800;
    letter-spacing: 1px;
    position: relative;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
}

.section-title::after {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background: var(--cyan-primary);
    margin: 20px auto 0;
    border-radius: 5px;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    max-width: 700px;
    margin: -30px auto 50px;
    font-size: 16px;
    line-height: 1.7;
}

/* ============= PRODUCT CARDS ============= */
.product-card {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    margin-bottom: 30px;
    cursor: pointer;
    background: var(--gradient-card);
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all 0.4s;
    height: 320px;
}

.product-card:hover {
    transform: translateY(-8px);
    border-color: var(--cyan-primary);
    box-shadow: 0 20px 50px rgba(0, 212, 255, 0.3);
}

.product-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s;
}

.product-card:hover img {
    transform: scale(1.1);
    filter: brightness(0.6);
}

.product-card .overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(5, 10, 20, 0.97) 0%, rgba(5, 10, 20, 0.7) 70%, transparent 100%);
    padding: 25px;
    color: #fff;
}

.product-card .overlay h5 {
    color: var(--cyan-primary);
    margin-bottom: 8px;
    font-weight: 700;
    font-size: 20px;
}

.product-card .overlay .price {
    font-weight: 700;
    font-size: 17px;
    color: #fff;
}

/* ============= GENERIC CARDS ============= */
.card-cv {
    background: var(--gradient-card);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 20px;
    transition: all 0.4s;
    overflow: hidden;
    color: var(--text-light);
}

.card-cv:hover {
    transform: translateY(-10px);
    border-color: var(--cyan-primary);
    box-shadow: 0 20px 50px rgba(0, 212, 255, 0.25);
}

.card-cv .card-title {
    color: var(--cyan-primary);
    font-weight: 700;
    font-size: 22px;
}

.card-cv .card-body {
    padding: 35px 30px;
}

.card-cv .card-text {
    color: var(--text-muted);
    line-height: 1.7;
}

/* ============= SERVICE ICONS ============= */
.crypto-icon {
    font-size: 56px;
    color: var(--cyan-primary);
    margin-bottom: 20px;
    display: inline-block;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
}

/* ============= TEAM CARDS ============= */
.team-card {
    text-align: center;
    padding: 35px 20px;
    background: var(--gradient-card);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 20px;
    transition: all 0.4s;
    height: 100%;
    margin-bottom: 25px;
}

.team-card:hover {
    transform: translateY(-8px);
    border-color: var(--cyan-primary);
    box-shadow: 0 20px 50px rgba(0, 212, 255, 0.25);
}

.team-avatar {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    background: var(--gradient-main);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    font-weight: 800;
    color: #050a14;
    letter-spacing: 1px;
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4);
    transition: all 0.4s;
}

.team-card:hover .team-avatar {
    transform: scale(1.1);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.6);
}

.team-card h4 {
    color: var(--text-light);
    margin-bottom: 6px;
    font-size: 17px;
    font-weight: 700;
}

.team-card .role {
    color: var(--cyan-primary);
    font-weight: 600;
    margin-bottom: 12px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.team-card p {
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.6;
}

/* ============= FORMS ============= */
.form-cv {
    background: var(--gradient-card);
    padding: 45px;
    border-radius: 20px;
    border: 1px solid rgba(0, 212, 255, 0.25);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.form-cv .form-control {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(0, 212, 255, 0.25);
    color: var(--text-light);
    padding: 13px 18px;
    border-radius: 12px;
    transition: all 0.3s;
}

.form-cv .form-control:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--cyan-primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.2);
    color: #fff;
}

.form-cv .form-control::placeholder {
    color: #64748b;
}

.form-cv label {
    color: var(--cyan-primary);
    font-weight: 500;
    margin-bottom: 8px;
    font-size: 14px;
}

/* ============= TABLE ============= */
.table-cv {
    background: var(--gradient-card);
    color: var(--text-light);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.table-cv thead {
    background: var(--gradient-main);
    color: #050a14;
}

.table-cv thead th {
    padding: 18px;
    font-weight: 700;
    border: none;
    color: #050a14;
}

.table-cv tbody td {
    padding: 16px 18px;
    border-color: rgba(0, 212, 255, 0.1);
    vertical-align: middle;
    color: var(--text-light);
}

.table-cv tbody tr:hover {
    background: rgba(0, 212, 255, 0.06);
}

/* ============= FOOTER ============= */
.footer-cv {
    background: linear-gradient(180deg, #050a14 0%, #020610 100%);
    border-top: 1px solid rgba(0, 212, 255, 0.25);
    padding: 60px 30px 25px;
    margin-top: 100px;
    color: var(--text-muted);
}

.footer-cv h4 {
    color: var(--cyan-primary);
    margin-bottom: 25px;
    font-weight: 700;
    font-size: 22px;
}

.footer-cv a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-cv a:hover {
    color: var(--cyan-primary);
}

.footer-cv .contact-item {
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-light);
}

.footer-cv .contact-item i {
    color: var(--cyan-primary);
    font-size: 19px;
    width: 25px;
}

.social-icons {
    margin-top: 20px;
    display: flex;
    gap: 15px;
}

.social-icons a {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cyan-primary);
    transition: all 0.3s;
}

.social-icons a:hover {
    background: var(--cyan-primary);
    color: #050a14;
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 212, 255, 0.4);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    margin-top: 30px;
    border-top: 1px solid rgba(0, 212, 255, 0.15);
    color: #64748b;
    font-size: 14px;
}

/* ============= MODAL ============= */
.modal-content {
    background: var(--gradient-card);
    color: var(--text-light);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 20px;
}

.modal-header {
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
}

.modal-title {
    color: var(--cyan-primary);
    font-weight: 700;
}

.modal-footer {
    border-top: 1px solid rgba(0, 212, 255, 0.2);
}

.modal .form-control {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(0, 212, 255, 0.25);
    color: var(--text-light);
    border-radius: 10px;
    padding: 10px 14px;
}

.modal .form-control:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--cyan-primary);
    color: #fff;
}

.modal label {
    color: var(--cyan-primary);
    font-weight: 500;
}

/* ============= UTILITIES ============= */
.gradient-text {
    color: var(--cyan-primary);
}

.text-light-cv { color: var(--text-light) !important; }
.text-muted-cv { color: var(--text-muted) !important; }

/* ============= RESPONSIVE ============= */
@media (max-width: 768px) {
    .jumbotron-cv h1 { font-size: 36px; }
    .section-title { font-size: 30px; }
    .welcome-h1 { font-size: 32px; }
    .carousel-cv .carousel-item { height: 350px; }
    .carousel-cv .carousel-caption h2 { font-size: 24px; }
}