/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1D63DA;
    --primary-dark: #4C8EFF;
    --secondary-color: #4C8EFF;
    --accent-color: #f59e0b;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-dark: #111827;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --gradient-primary: linear-gradient(135deg, #1D63DA 0%, #4C8EFF 100%);
    --gradient-secondary: linear-gradient(135deg, #4C8EFF 0%, #8b5cf6 100%);
    --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

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

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.nav-brand a {
    text-decoration: none;
    color: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo img {
    max-width: 110px;
    width: 100%;
    height: auto;
    object-fit: contain;
}

/* .nav-brand h2 {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
    font-size: 1.5rem;
    font-weight: 800;
    transition: all 0.3s ease;
} */

.nav-brand a:hover h2 {
    transform: scale(1.05);
    filter: brightness(1.1);
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    gap: 1rem;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%236366f1" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="%236366f1" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="%236366f1" opacity="0.05"/><circle cx="10" cy="60" r="0.5" fill="%236366f1" opacity="0.05"/><circle cx="90" cy="40" r="0.5" fill="%236366f1" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    line-height: 1.1;
    max-width: 800px;
}

.hero-description {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
    max-width: 800px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.crypto-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    animation: float 6s ease-in-out infinite;
}

.crypto-card {
    background: white;
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    min-width: 200px;
}

.crypto-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.crypto-card i {
    font-size: 2rem;
}

.crypto-card.bitcoin i {
    color: #f7931a;
}

.crypto-card.ethereum i {
    color: #627eea;
}

.crypto-card.cardano i {
    color: #0033ad;
}

.crypto-card span:last-child {
    margin-left: auto;
    font-weight: 700;
    color: var(--text-primary);
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Section Styles */
section {
    padding: 4rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

.about-features {
    display: grid;
    gap: 2rem;
}

.feature {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: 1rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-top: 0.25rem;
}

.feature h3 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.feature p {
    margin: 0;
    font-size: 0.9rem;
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.feature-icon i {
    font-size: 2rem;
    color: white;
}

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

.feature-card p {
    line-height: 1.6;
}

/* Security Section */
.security {
    background: var(--bg-dark);
    color: white;
}

.security-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.security h2 {
    color: white;
    margin-bottom: 1.5rem;
}

.security p {
    color: #d1d5db;
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.security-features {
    display: grid;
    gap: 1.5rem;
}

.security-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 1rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.security-item i {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-top: 0.25rem;
}

.security-item h4 {
    color: white;
    margin-bottom: 0.5rem;
}

.security-item p {
    margin: 0;
    color: #9ca3af;
}

.security-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.security-shield {
    position: relative;
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.security-shield i {
    font-size: 4rem;
    color: white;
}

.shield-particles {
    position: absolute;
    width: 100%;
    height: 100%;
}

.shield-particles span {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--secondary-color);
    border-radius: 50%;
    animation: orbit 4s linear infinite;
}

.shield-particles span:nth-child(1) { animation-delay: 0s; }
.shield-particles span:nth-child(2) { animation-delay: 1s; }
.shield-particles span:nth-child(3) { animation-delay: 2s; }
.shield-particles span:nth-child(4) { animation-delay: 3s; }

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes orbit {
    0% { transform: rotate(0deg) translateX(100px) rotate(0deg); }
    100% { transform: rotate(360deg) translateX(100px) rotate(-360deg); }
}

/* Testimonials Section */
.testimonials {
    background: var(--bg-secondary);
}

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

.testimonial {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.testimonial:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    font-style: italic;
    font-size: 1.125rem;
    color: var(--text-primary);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.125rem;
}

.author-info h4 {
    margin: 0;
    color: var(--text-primary);
}

.author-info span {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* CTA Section */
.cta {
    background: var(--gradient-primary);
    color: white;
    text-align: center;
}

.cta h2 {
    color: white;
    margin-bottom: 1rem;
}

.cta p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta .btn-primary {
    background: white;
    color: var(--primary-color);
}

.cta .btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: #9ca3af;
    margin-bottom: 0;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

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

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

.footer-column a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: white;
}

.footer-column li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    line-height: 1.5;
}

.footer-column li i {
    color: var(--primary-color);
    width: 18px;
    text-align: center;
    flex-shrink: 0;
}

/* Special styling for contact info in footer */
.footer-column h4:last-of-type + ul li {
    font-size: 0.9rem;
    color: #d1d5db;
}

.footer-column h4:last-of-type + ul li i {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    padding-top: 2rem;
    border-top: 1px solid #374151;
    gap: 1.5rem;
}

.footer-separator {
    width: 100%;
    height: 1px;
    background-color: #374151;
    margin: 0.5rem 0;
}

.footer-legal {
    text-align: center;
}

.footer-legal p {
    color: #9ca3af;
    font-size: 0.85rem;
    line-height: 1.5;
    margin: 0;
}

.footer-info p {
    color: #9ca3af;
    margin: 0;
    font-size: 0.9rem;
    text-align: center;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

/* Social icons in footer brand section */
.footer-brand .footer-social {
    margin-top: 1.5rem;
}

.footer-brand .footer-social a {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    margin-right: 0.75rem;
}

.footer-brand .footer-social a:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(29, 99, 218, 0.3);
}

/* Page Hero */
.page-hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    text-align: center;
}

.page-hero-content h1 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.page-hero-content p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Mission Section */
.mission {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

.mission-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.mission-text h2 {
    margin-bottom: 1.5rem;
}

.mission-text p {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

.mission-visual {
    display: flex;
    justify-content: center;
}

.mission-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: all 0.3s ease;
}

.mission-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.mission-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.mission-card h3 {
    margin-bottom: 0.5rem;
}

/* Values Section */
.values {
    padding: 4rem 0;
}

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

.value-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.value-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.value-icon i {
    font-size: 2rem;
    color: white;
}

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

/* Team Section */
.team {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

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

.team-member {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: all 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.member-avatar {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
}

.member-role {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.member-bio {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Stats Section */
.stats {
    padding: 4rem 0;
    background: var(--gradient-primary);
    color: white;
}

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

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: linear-gradient(45deg, #ffffff, #e0e7ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
}

/* Contact Info Section */
.contact-info {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

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

.contact-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.contact-card a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

.contact-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.contact-icon i {
    font-size: 2rem;
    color: white;
}

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

.contact-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Contact Form Section */
.contact-form-section {
    padding: 4rem 0;
}

.contact-form-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.form-info h2 {
    margin-bottom: 1rem;
}

.form-info p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.form-benefits {
    display: grid;
    gap: 1rem;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.benefit-item i {
    color: var(--secondary-color);
    font-size: 1.125rem;
}

.benefit-item span {
    color: var(--text-secondary);
}

.form-container {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.contact-form {
    display: grid;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group select {
    padding-right: 2.5rem;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5' viewBox='0 0 8 5'%3E%3Cpath fill='%23666' d='M4 5L0 0h8z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 8px 5px;
    cursor: pointer;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(29, 99, 218, 0.1);
}

/* Placeholder styles */
.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #9ca3af;
    opacity: 1;
}

.form-group input::-webkit-input-placeholder,
.form-group textarea::-webkit-input-placeholder {
    color: #9ca3af;
    opacity: 1;
}

.form-group input::-moz-placeholder,
.form-group textarea::-moz-placeholder {
    color: #9ca3af;
    opacity: 1;
}

.form-group input:-ms-input-placeholder,
.form-group textarea:-ms-input-placeholder {
    color: #9ca3af;
    opacity: 1;
}

.checkbox-group {
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.checkbox-group label {
    margin: 0;
    font-size: 0.9rem;
}

/* Form validation styles */
.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #ef4444;
    background-color: #fef2f2;
}

.form-group input.error:focus,
.form-group select.error:focus,
.form-group textarea.error:focus {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.field-error {
    display: block;
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: 0.5rem;
    font-weight: 500;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

button[type="submit"]:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.checkbox-group a {
    color: var(--primary-color);
    text-decoration: none;
}

.checkbox-group a:hover {
    text-decoration: underline;
}

/* FAQ Section */
.faq {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

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

.faq-item {
    background: white;
    border-radius: 1rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: var(--bg-secondary);
}

.faq-question h3 {
    margin: 0;
    font-size: 1.125rem;
    color: var(--text-primary);
}

.faq-question i {
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 1.5rem 1.5rem;
    max-height: 200px;
}

.faq-answer p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Active navigation link */
.nav-menu a.active {
    color: var(--primary-color);
    font-weight: 600;
}

.nav-menu a.active::after {
    width: 100%;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100vh;
        background: var(--bg-primary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: left 0.3s ease;
        z-index: 1000;
        box-shadow: var(--shadow-xl);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .nav-menu a {
        font-size: 1.5rem;
        font-weight: 600;
    }
    
    .hamburger {
        display: flex;
        z-index: 1001;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .security-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-brand .footer-social {
        margin-top: 1rem;
    }
    
    .footer-brand .footer-social a {
        width: 32px;
        height: 32px;
        margin-right: 0.5rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .mission-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .contact-form-content {
        grid-template-columns: 1fr;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.5rem;
    }
    
    .hero {
        padding: 6rem 0 2rem;
    }
    
    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .crypto-cards {
        gap: 0.5rem;
    }
    
    .crypto-card {
        padding: 1rem;
        min-width: 150px;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Scroll animations */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}