:root {
    --primary: #7f56d9;
    --primary-dark: #5f3dc4;
    --primary-light: #b3a4ff;
    --accent: #ff6b81;
    --accent-dark: #e6496b;
    --dark: #1a1f24;
    --darker: #12161a;
    --dark-medium: #2a3439;
    --light: #f8f9fb;
    --light-gray: #d8dee9;
    --medium-gray: #6b7280;
    --radius: 12px;
    --shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--dark);
    color: var(--light);
    line-height: 1.7;
    overflow-x: hidden;
}

body.light-theme {
    background-color: var(--light);
    color: var(--dark);
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    opacity: 0.4;
}

header {
    background-color: rgba(26, 31, 36, 0.95);
    padding: 16px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

body.light-theme header {
    background-color: rgba(248, 249, 251, 0.95);
    box-shadow: 0 4px 25px rgba(127, 86, 217, 0.15);
}

.header-content {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.header-brand {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nexark-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
}

.nexark-title .letter {
    display: inline-block;
    transition: var(--transition);
    transform-origin: center bottom;
    animation: letterFloat 3.5s ease-in-out infinite;
}

.nexark-title .letter:nth-child(1) { animation-delay: 0.1s; }
.nexark-title .letter:nth-child(2) { animation-delay: 0.2s; }
.nexark-title .letter:nth-child(3) { animation-delay: 0.3s; }
.nexark-title .letter:nth-child(4) { animation-delay: 0.4s; }
.nexark-title .letter:nth-child(5) { animation-delay: 0.5s; }
.nexark-title .letter:nth-child(6) { animation-delay: 0.6s; }

.nexark-title .word {
    margin-left: 10px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    position: relative;
    font-weight: 800;
}

.nexark-title .word::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.5s ease;
}

.nexark-title:hover .word::after {
    transform: scaleX(1);
    transform-origin: left;
}

.auth-buttons {
    display: flex;
    gap: 12px;
}

.btn {
    padding: 14px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn i {
    transition: var(--transition-fast);
}

.btn:hover i {
    transform: translateX(5px) scale(1.1);
}

.login-btn {
    background-color: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    box-shadow: 0 4px 15px rgba(127, 86, 217, 0.2);
}

.login-btn:hover {
    background-color: var(--primary);
    color: var(--light);
    box-shadow: 0 6px 20px rgba(127, 86, 217, 0.4);
}

.theme-toggle {
    background-color: rgba(127, 86, 217, 0.15);
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--primary);
    font-size: 1.2rem;
}

.theme-toggle:hover {
    background-color: rgba(127, 86, 217, 0.25);
    transform: rotate(45deg) scale(1.1);
}

.theme-toggle i {
    font-size: 1.2rem;
}

.hero {
    padding: 140px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 60px;
}

.hero-content {
    flex: 1;
    max-width: 650px;
}

.title-wrapper {
    margin-bottom: 30px;
    overflow: hidden;
}

.nexark-glow {
    font-family: 'Orbitron', sans-serif;
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 20px rgba(127, 86, 217, 0.4);
    position: relative;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
}

.title-underline {
    width: 100px;
    height: 5px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 3px;
    opacity: 0;
    animation: fadeInUp 1s ease forwards 0.4s;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--light-gray);
    margin-bottom: 40px;
    opacity: 0;
    animation: fadeInUp 1s ease forwards 0.5s;
}

body.light-theme .hero-description {
    color: var(--medium-gray);
}

.hero-buttons {
    opacity: 0;
    animation: fadeInUp 1s ease forwards 0.6s;
}

.primary-btn {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--light);
    box-shadow: 0 5px 20px rgba(127, 86, 217, 0.4);
    padding: 16px 32px;
    font-weight: 600;
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(127, 86, 217, 0.6);
}

.hero-image {
    flex: 1;
    position: relative;
    height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-animation {
    position: relative;
    width: 320px;
    height: 200px;
    margin: 0 auto;
    transform-style: preserve-3d;
}

.animated-card {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #2d3436, #1e272e);
    border-radius: 15px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

body.light-theme .animated-card {
    background: linear-gradient(135deg, #e0e0e0, #f5f5f5);
    box-shadow: 0 10px 30px rgba(127, 86, 217, 0.2);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-chip {
    width: 48px;
    height: 36px;
    background: linear-gradient(135deg, #ffd700, #ffcc00);
    border-radius: 6px;
    position: relative;
    overflow: hidden;
}

.chip-lines {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0.5) 50%, rgba(255,255,255,0.2) 100%);
    transform: rotate(45deg);
}

.card-type {
    color: var(--light);
    font-size: 1.6rem;
    font-weight: 600;
}

body.light-theme .card-type {
    color: var(--dark);
}

.card-number {
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 3px;
    font-size: 1.2rem;
    color: var(--light);
    display: flex;
    justify-content: space-between;
}

body.light-theme .card-number {
    color: var(--dark);
}

.card-number span {
    opacity: 0;
    animation: digitAppear 0.6s forwards;
}

.card-number span:nth-child(1) { animation-delay: 0.5s; }
.card-number span:nth-child(2) { animation-delay: 0.6s; }
.card-number span:nth-child(3) { animation-delay: 0.7s; }
.card-number span:nth-child(4) { animation-delay: 0.8s; }

@keyframes digitAppear {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.card-info {
    display: flex;
    flex-direction: column;
}

.card-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--light-gray);
    margin-bottom: 4px;
}

body.light-theme .card-label {
    color: var(--medium-gray);
}

.card-name, .card-expiry, .cvv-code {
    font-size: 0.9rem;
    color: var(--light);
    letter-spacing: 1.5px;
}

body.light-theme .card-name, body.light-theme .card-expiry, body.light-theme .cvv-code {
    color: var(--dark);
}

.card-cvv {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.card-effects {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
}

.effect-circle {
    position: absolute;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(127, 86, 217, 0.2), transparent);
    border-radius: 50%;
    top: -40px;
    right: -40px;
    animation: pulse 3.5s infinite alternate;
}

.effect-dots {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(rgba(255,255,255,0.3) 1px, transparent 1px);
    background-size: 12px 12px;
    opacity: 0.25;
    animation: dotsMove 25s linear infinite;
}

@keyframes dotsMove {
    from { background-position: 0 0; }
    to { background-position: 120px 120px; }
}

.effect-wave {
    position: absolute;
    bottom: -15px;
    left: 0;
    width: 100%;
    height: 25px;
    background: url('data:image/svg+xml;utf8,<svg viewBox="0 0 1200 120" xmlns="http://www.w3.org/2000/svg" preserveAspectRatio="none"><path d="M0,0V46.29c47.79,22.2,103.59,32.17,158,28,70.36-5.37,136.33-33.31,206.8-37.5C438.64,32.43,512.34,53.67,583,72.05c69.27,18,138.3,24.88,209.4,13.08,36.15-6,69.85-17.84,104.45-29.34C989.49,25,1113-14.29,1200,52.47V0Z" fill="%237f56d9" opacity=".3"/></svg>');
    background-size: cover;
    animation: waveMove 2.5s linear infinite;
}

@keyframes waveMove {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.animated-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.15) 50%, rgba(255,255,255,0) 100%);
    transform: translateX(-100%) skewX(-15deg);
    animation: shine 2.5s infinite;
}

@keyframes shine {
    0% { transform: translateX(-100%) skewX(-15deg); }
    100% { transform: translateX(100%) skewX(-15deg); }
}

.floating-icons {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
}

.floating-icon {
    position: absolute;
    font-size: 1.6rem;
    color: rgba(255,255,255,0.4);
    animation: floatIcon 7s infinite ease-in-out;
}

body.light-theme .floating-icon {
    color: rgba(0,0,0,0.3);
}

.floating-icon:nth-child(1) { top: 15%; left: 25%; animation-delay: 0s; }
.floating-icon:nth-child(2) { top: 55%; left: 65%; animation-delay: 1.5s; animation-duration: 8s; }
.floating-icon:nth-child(3) { top: 35%; left: 45%; animation-delay: 3s; animation-duration: 9s; }

@keyframes floatIcon {
    0%, 100% { transform: translate(0, 0) rotate(0deg) scale(1); opacity: 0.4; }
    50% { transform: translate(25px, -25px) rotate(180deg) scale(1.2); opacity: 0.6; }
}

.features {
    padding: 120px 0;
    background-color: var(--darker);
    position: relative;
}

body.light-theme .features {
    background-color: #f1f3f5;
}

.section-header {
    text-align: center;
    margin-bottom: 70px;
}

.section-header h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    margin-bottom: 20px;
    opacity: 0;
    transition: var(--transition);
    display: inline-block;
}

.section-header h3 span {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.animated-title {
    display: inline-flex;
    flex-wrap: wrap;
    justify-content: center;
}

.title-letter {
    display: inline-block;
    opacity: 0;
    transform: translateY(20px) rotate(5deg);
    transition: var(--transition);
    animation: titleBounce 0.6s ease forwards;
}

.title-letter:nth-child(1) { animation-delay: 0.05s; }
.title-letter:nth-child(2) { animation-delay: 0.1s; }
.title-letter:nth-child(3) { animation-delay: 0.15s; }
.title-letter:nth-child(4) { animation-delay: 0.2s; }
.title-letter:nth-child(5) { animation-delay: 0.25s; }
.title-letter:nth-child(6) { animation-delay: 0.3s; }
.title-letter:nth-child(7) { animation-delay: 0.35s; }
.title-letter:nth-child(8) { animation-delay: 0.4s; }
.title-letter:nth-child(9) { animation-delay: 0.45s; }
.title-letter:nth-child(10) { animation-delay: 0.5s; }
.title-letter:nth-child(11) { animation-delay: 0.55s; }
.title-letter:nth-child(12) { animation-delay: 0.6s; }
.title-letter:nth-child(13) { animation-delay: 0.65s; }
.title-letter:nth-child(14) { animation-delay: 0.7s; }
.title-letter:nth-child(15) { animation-delay: 0.75s; }
.title-letter:nth-child(16) { animation-delay: 0.8s; }
.title-letter:nth-child(17) { animation-delay: 0.85s; }
.title-letter:nth-child(18) { animation-delay: 0.9s; }
.title-letter:nth-child(19) { animation-delay: 0.95s; }
.title-letter:nth-child(20) { animation-delay: 1s; }
.title-letter:nth-child(21) { animation-delay: 1.05s; }
.title-letter:nth-child(22) { animation-delay: 1.1s; }
.title-letter:nth-child(23) { animation-delay: 1.15s; }
.title-letter:nth-child(24) { animation-delay: 1.2s; }
.title-letter:nth-child(25) { animation-delay: 1.25s; }
.title-letter:nth-child(26) { animation-delay: 1.3s; }

@keyframes titleBounce {
    0% { opacity: 0; transform: translateY(20px) rotate(5deg); }
    50% { transform: translateY(-15px) rotate(-5deg); }
    100% { opacity: 1; transform: translateY(0) rotate(0deg); }
}

.animated-title:hover .title-letter {
    animation: titleBounceHover 0.4s ease forwards;
}

.title-letter:nth-child(1):hover { animation-delay: 0.02s; }
.title-letter:nth-child(2):hover { animation-delay: 0.04s; }
.title-letter:nth-child(3):hover { animation-delay: 0.06s; }
.title-letter:nth-child(4):hover { animation-delay: 0.08s; }
.title-letter:nth-child(5):hover { animation-delay: 0.1s; }
.title-letter:nth-child(6):hover { animation-delay: 0.12s; }
.title-letter:nth-child(7):hover { animation-delay: 0.14s; }
.title-letter:nth-child(8):hover { animation-delay: 0.16s; }
.title-letter:nth-child(9):hover { animation-delay: 0.18s; }
.title-letter:nth-child(10):hover { animation-delay: 0.2s; }
.title-letter:nth-child(11):hover { animation-delay: 0.22s; }
.title-letter:nth-child(12):hover { animation-delay: 0.24s; }
.title-letter:nth-child(13):hover { animation-delay: 0.26s; }
.title-letter:nth-child(14):hover { animation-delay: 0.28s; }
.title-letter:nth-child(15):hover { animation-delay: 0.3s; }
.title-letter:nth-child(16):hover { animation-delay: 0.32s; }
.title-letter:nth-child(17):hover { animation-delay: 0.34s; }
.title-letter:nth-child(18):hover { animation-delay: 0.36s; }
.title-letter:nth-child(19):hover { animation-delay: 0.38s; }
.title-letter:nth-child(20):hover { animation-delay: 0.4s; }
.title-letter:nth-child(21):hover { animation-delay: 0.42s; }
.title-letter:nth-child(22):hover { animation-delay: 0.44s; }
.title-letter:nth-child(23):hover { animation-delay: 0.46s; }
.title-letter:nth-child(24):hover { animation-delay: 0.48s; }
.title-letter:nth-child(25):hover { animation-delay: 0.5s; }
.title-letter:nth-child(26):hover { animation-delay: 0.52s; }

@keyframes titleBounceHover {
    0% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(-3deg); }
    100% { transform: translateY(0) rotate(0deg); }
}

.section-divider {
    width: 100px;
    height: 5px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    margin: 0 auto;
    border-radius: 3px;
    opacity: 0;
    transition: var(--transition);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.feature-card {
    background-color: var(--dark-medium);
    border-radius: var(--radius);
    padding: 48px 32px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
    opacity: 0;
    transition: var(--transition);
}

body.light-theme .feature-card {
    background-color: white;
    box-shadow: 0 10px 30px rgba(127, 86, 217, 0.15);
}

.feature-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    color: var(--light);
    font-size: 2rem;
    box-shadow: 0 10px 20px rgba(127, 86, 217, 0.3);
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    transform: scale(1.15) rotate(15deg);
}

.feature-card h4 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.feature-card h4::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 3px;
    transition: var(--transition);
}

.feature-card:hover h4::after {
    width: 70px;
}

.feature-card p {
    color: var(--light-gray);
    font-size: 1rem;
    line-height: 1.8;
}

body.light-theme .feature-card p {
    color: var(--medium-gray);
}

.feature-highlight {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s cubic-bezier(0.19, 1, 0.22, 1);
}

.feature-card:hover .feature-highlight {
    transform: scaleX(1);
}

.stats {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--darker), var(--dark));
    position: relative;
}

body.light-theme .stats {
    background: linear-gradient(135deg, #f1f3f5, #e1e5e9);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
}

.stat-item {
    background-color: rgba(127, 86, 217, 0.1);
    backdrop-filter: blur(6px);
    border-radius: var(--radius);
    padding: 48px 24px;
    text-align: center;
    border: 1px solid rgba(127, 86, 217, 0.2);
    transition: var(--transition);
    opacity: 0;
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(127, 86, 217, 0.25);
    border-color: rgba(127, 86, 217, 0.4);
}

.stat-number {
    font-family: 'Orbitron', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
    transition: var(--transition);
}

.stat-item:hover .stat-number {
    color: var(--accent);
}

.stat-label {
    font-size: 1.1rem;
    color: var(--light-gray);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

body.light-theme .stat-label {
    color: var(--medium-gray);
}

footer {
    background-color: var(--darker);
    padding: 100px 0 40px;
    position: relative;
}

body.light-theme footer {
    background-color: #f1f3f5;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 70px;
}

.footer-brand {
    max-width: 320px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.footer-logo span {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.footer-slogan {
    color: var(--light-gray);
    font-size: 1rem;
    line-height: 1.7;
}

body.light-theme .footer-slogan {
    color: var(--medium-gray);
}

.footer-contacts h4 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.4rem;
    margin-bottom: 24px;
    color: var(--light);
    position: relative;
}

body.light-theme .footer-contacts h4 {
    color: var(--dark);
}

.footer-contacts h4::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 3px;
}

.telegram-contacts {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.telegram-item {
    display: flex;
    align-items: center;
    gap: 20px;
    text-decoration: none;
    padding: 14px 20px;
    border-radius: var(--radius);
    background-color: rgba(127, 86, 217, 0.1);
    transition: var(--transition);
}

body.light-theme .telegram-item {
    background-color: rgba(127, 86, 217, 0.05);
}

.telegram-item:hover {
    background-color: rgba(127, 86, 217, 0.25);
    transform: translateX(8px);
}

.telegram-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light);
    font-size: 1.4rem;
    flex-shrink: 0;
}

.telegram-info {
    display: flex;
    flex-direction: column;
}

.telegram-label {
    font-size: 0.9rem;
    color: var(--light-gray);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

body.light-theme .telegram-label {
    color: var(--medium-gray);
}

.telegram-username {
    font-family: 'Orbitron', sans-serif;
    font-size: 1rem;
    color: var(--light);
    font-weight: 500;
}

body.light-theme .telegram-username {
    color: var(--dark);
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    text-align: center;
    color: var(--light-gray);
    font-size: 0.9rem;
}

body.light-theme .footer-bottom {
    border-top-color: rgba(0, 0, 0, 0.15);
    color: var(--medium-gray);
}

.footer-credits {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.heart-pulse {
    color: var(--accent);
    animation: pulse 1.5s infinite;
}

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

@keyframes letterFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-6px) rotate(3deg); }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.3); }
    100% { transform: scale(1); }
}

@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        margin-bottom: 60px;
        max-width: 100%;
    }
    
    .hero-image {
        height: 350px;
    }
    
    .animated-card {
        margin: 0 auto;
    }
    
    .section-header h3 {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    header {
        padding: 10px 0;
    }

    .header-content {
        flex-direction: column;
        align-items: center;
        gap: 10px;
        text-align: center;
    }

    .header-brand {
        margin-bottom: 20px;
        width: 100%;
    }

    .nexark-title {
        font-size: 1.3rem;
    }

    .header-right {
        width: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 12px;
    }

    .auth-buttons {
        justify-content: center;
    }

    .nexark-glow {
        font-size: 3.2rem;
    }

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        flex-direction: column;
        gap: 50px;
    }
}

@media (max-width: 576px) {
    .hero {
        padding: 120px 0 80px;
    }

    .nexark-title {
        font-size: 1.1rem;
    }

    .nexark-glow {
        font-size: 2.5rem;
    }

    .hero-description {
        font-size: 1.1rem;
    }

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

    .auth-buttons {
        gap: 8px;
    }

    .btn {
        padding: 10px 18px;
        font-size: 0.85rem;
    }

    .theme-toggle {
        width: 38px;
        height: 38px;
        font-size: 1rem;
    }
}