/* Cryptoservicehub - Premium Crypto Information Platform */
/* Global Styles */
:root {
    --primary-color: #00d4ff;
    --secondary-color: #7b2cbf;
    --accent-color: #ff6b6b;
    --dark-bg: #0a0e17;
    --darker-bg: #05070a;
    --card-bg: #131a2a;
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --text-muted: #718096;
    --border-color: #2d3748;
    --success-color: #48bb78;
    --warning-color: #ed8936;
    --error-color: #f56565;
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #7b2cbf 100%);
    --gradient-secondary: linear-gradient(135deg, #7b2cbf 0%, #ff6b6b 100%);
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
    --shadow-card: 0 4px 6px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: 2rem;
    color: var(--text-primary);
}

h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
}

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
}

/* Header */
header {
    background: var(--darker-bg);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo img {
    height: 50px;
    width: auto;
    transition: var(--transition);
}

.logo:hover img {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(0, 168, 232, 0.3);
    border-radius: 8px;
}

nav {
    display: flex;
    align-items: center;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: var(--darker-bg);
    padding: 4rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0.1;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    box-shadow: var(--shadow-medium);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 168, 232, 0.3);
}

/* Main Content */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Cards */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
    box-shadow: var(--shadow-card);
}

.card:hover {
    border-color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Grid Layouts */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Section Styling */
section {
    margin: 3rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    margin: 1rem auto;
    border-radius: 2px;
}

/* Feature Cards */
.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

/* Issue Cards */
.issue-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: var(--transition);
}

.issue-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.issue-status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.status-resolved {
    background: rgba(72, 187, 120, 0.2);
    color: var(--success-color);
}

.status-ongoing {
    background: rgba(237, 137, 54, 0.2);
    color: var(--warning-color);
}

.status-critical {
    background: rgba(245, 101, 101, 0.2);
    color: var(--error-color);
}

/* Guide Cards */
.guide-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.guide-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-4px);
}

.guide-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.guide-content {
    padding: 1.5rem;
}

.guide-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--gradient-primary);
    color: white;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* Footer */
footer {
    background: var(--darker-bg);
    border-top: 1px solid var(--border-color);
    padding: 3rem 2rem 1rem;
    margin-top: 4rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Policy Pages */
.policy-content {
    max-width: 900px;
    margin: 0 auto;
}

.policy-content h2 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.policy-content h3 {
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.policy-content ul,
.policy-content ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.policy-content li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.policy-content strong {
    color: var(--text-primary);
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    font-size: 0.875rem;
}

.breadcrumb a {
    color: var(--text-secondary);
}

.breadcrumb a:hover {
    color: var(--primary-color);
}

.breadcrumb span {
    color: var(--text-muted);
}

/* Search Bar */
.search-container {
    max-width: 600px;
    margin: 2rem auto;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 1rem 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.search-input::placeholder {
    color: var(--text-muted);
}

/* FAQ Accordion */
.accordion {
    margin: 2rem 0;
}

.accordion-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.accordion-header {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.accordion-header:hover {
    background: rgba(0, 212, 255, 0.05);
}

.accordion-header h4 {
    margin: 0;
    color: var(--text-primary);
}

.accordion-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: var(--transition);
}

.accordion-content {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.accordion-content.active {
    padding: 1.5rem;
    max-height: 500px;
}

/* Alert Boxes */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    border-left: 4px solid;
}

.alert-info {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--primary-color);
}

.alert-warning {
    background: rgba(237, 137, 54, 0.1);
    border-color: var(--warning-color);
}

.alert-error {
    background: rgba(245, 101, 101, 0.1);
    border-color: var(--error-color);
}

.alert-success {
    background: rgba(72, 187, 120, 0.1);
    border-color: var(--success-color);
}

/* Table Styles */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    background: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
}

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background: rgba(0, 168, 232, 0.1);
    color: var(--primary-color);
    font-weight: 600;
}

tr:hover {
    background: rgba(0, 168, 232, 0.05);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--darker-bg);
        flex-direction: column;
        padding: 1rem;
        gap: 1rem;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-medium);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .header-container {
        padding: 1rem;
    }

    main {
        padding: 1rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.75rem;
    }

    .cta-button {
        padding: 0.875rem 1.5rem;
        font-size: 0.875rem;
    }

    .card {
        padding: 1.5rem;
    }
}

/* Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--darker-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 4px;
}

/* Selection */
::selection {
    background: var(--primary-color);
    color: var(--dark-bg);
}
@keyframes pulse-soft {
  0%,100% { opacity: 1; }
  50% { opacity: 0.8; }
}
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.animate-fade-in { animation: fadeIn 0.7s ease forwards; }
.animate-slide-up { animation: slideUp 0.7s ease forwards; }
.animate-float { animation: float 3s ease-in-out infinite; }
.animate-scale-in { animation: scaleIn 0.5s ease forwards; }

.reveal { opacity: 0; transform: translateY(24px); transition: all 0.7s cubic-bezier(0.16,1,0.3,1); }
.reveal.active { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* — Utilities — */
.glass {
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.gradient-text {
  background: linear-gradient(135deg, #00a8e8 0%, #1e3a8a 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.gradient-bg { background: linear-gradient(135deg, #00a8e8 0%, #1e3a8a 100%); }
.gradient-bg-soft { background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #dbeafe 100%); }
.card-hover {
  transition: all 0.35s cubic-bezier(0.16,1,0.3,1);
}
.card-hover:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(30,58,138,0.12), 0 8px 16px rgba(0,168,232,0.08);
  border-color: rgba(0,168,232,0.3) !important;
}
.btn-primary {
  background: linear-gradient(135deg, #00a8e8 0%, #1e3a8a 100%);
  transition: all 0.3s ease;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(0,168,232,0.35);
  filter: brightness(1.05);
}
.btn-primary:active { transform: translateY(0); }

/* shimmer button */
.shimmer {
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  background-size: 200% 100%;
  animation: shimmer 2s infinite;
}

/* scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: #1e3a8a; border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: #00a8e8; }

/* focus */
*:focus-visible { outline: 2px solid #00a8e8; outline-offset: 2px; }

/* nav link underline animation */
.nav-link { position: relative; }
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: #00a8e8;
  transition: width 0.3s ease;
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

/* hero orbs */
.orb {
  position: absolute;
  border-radius: 9999px;
  filter: blur(40px);
  opacity: 0.5;
  pointer-events: none;
}