:root {
    --bg-primary: #0a0c15;
    --bg-secondary: #1a1f2e;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-modal: linear-gradient(135deg, #1a1f2e, #0f1119);
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #a855f7;
    --success: #10b981;
    --success-dark: #059669;
    --error: #ef4444;
    --error-dark: #dc2626;
    --warning: #f59e0b;
    --info: #3b82f6;
    --text-white: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.7);
    --border-light: rgba(255, 255, 255, 0.1);
    --border-primary: rgba(99, 102, 241, 0.3);
    --shadow-sm: 0 4px 15px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-primary: 0 4px 15px rgba(99, 102, 241, 0.3);
    --transition: all 0.3s ease;
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    min-height: 100vh;
    color: var(--text-white);
    overflow-x: hidden;
}

.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, #0f1119 100%);
}

.bg-animation::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background: radial-gradient(circle at 30% 40%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 60%, rgba(139, 92, 246, 0.12) 0%, transparent 50%);
    animation: bgPulse 15s ease-in-out infinite;
}

@keyframes bgPulse {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
}

.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.fade-out {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
    animation: fadeInUp 0.5s ease;
}

.loader-ring {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border: 4px solid rgba(99, 102, 241, 0.2);
    border-top: 4px solid var(--primary);
    border-right: 4px solid var(--secondary);
    border-radius: 50%;
    animation: spin 1s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loader-text {
    font-size: 20px;
    font-weight: 600;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.loader-dots span {
    animation: dotBlink 1.4s infinite;
    animation-fill-mode: both;
}

.loader-dots span:nth-child(2) { animation-delay: 0.2s; }
.loader-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes dotBlink {
    0%, 80%, 100% { opacity: 0; }
    40% { opacity: 1; }
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 20px 32px;
    position: relative;
    z-index: 1;
}

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

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

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

/* Check Icon Animation */
@keyframes checkPop {
    0% { transform: scale(0); opacity: 0; }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); opacity: 1; }
}

.animated-check {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    animation: checkPop 0.4s cubic-bezier(0.34, 1.2, 0.64, 1);
    background: rgba(16, 185, 129, 0.2);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    color: #10b981;
    margin-left: 8px;
}

.animated-check i {
    font-size: 12px;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-primary);
    backdrop-filter: blur(10px);
    animation: fadeInDown 0.6s ease;
}

.logo {
    font-size: 26px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -0.5px;
}

.logo i {
    background: none;
    -webkit-background-clip: unset;
    background-clip: unset;
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 20px;
    align-items: center;
}

.whatsapp-link {
    color: var(--text-white);
    text-decoration: none;
    padding: 10px 20px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    border-radius: var(--radius-full);
    transition: var(--transition);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.whatsapp-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(37, 211, 102, 0.3);
}

.hero {
    text-align: center;
    padding: 60px 20px;
    animation: fadeInUp 0.8s ease;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(99, 102, 241, 0.2);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 14px;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-primary);
}

.badge-glow {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary), #ec489a);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-subtitle {
    font-size: 18px;
    opacity: 0.8;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 28px;
    font-size: 16px;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--text-white);
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-white);
    border: 1px solid var(--border-light);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.btn-outline {
    background: transparent;
    color: var(--text-white);
    border: 1px solid var(--border-primary);
}

.btn-outline:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--primary);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.btn-lg {
    padding: 14px 36px;
    font-size: 18px;
}

/* Horizontal Stats - Fixed */
.stats {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    padding: 40px;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    margin: 40px 0;
    border: 1px solid var(--border-light);
    animation: fadeInUp 0.8s ease 0.2s both;
    flex-direction: row;
}

.stat {
    text-align: center;
    flex: 1;
    transition: var(--transition);
}

.stat:hover {
    transform: translateY(-5px);
}

.stat-icon {
    font-size: 32px;
    color: var(--primary);
    margin-bottom: 12px;
}

.stat h2 {
    font-size: 36px;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #fff, var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.stat p {
    opacity: 0.7;
    font-size: 14px;
}

.how-it-works {
    margin: 80px 0;
    text-align: center;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.how-it-works h2 {
    font-size: 36px;
    margin-bottom: 48px;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}

.step {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

.step:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--border-primary);
}

.step-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    margin: 0 auto 20px;
}

.step h3 {
    margin-bottom: 12px;
    font-size: 20px;
}

.step p {
    opacity: 0.7;
    font-size: 14px;
}

.dev-section {
    margin: 60px 0 40px;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.dev-card {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(168, 85, 247, 0.1));
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: 32px;
    border: 1px solid var(--border-primary);
    transition: var(--transition);
}

.dev-card:hover {
    border-color: rgba(99, 102, 241, 0.6);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.2);
}

.dev-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
}

.dev-avatar {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

.dev-info h3 {
    font-size: 20px;
    margin-bottom: 4px;
}

.dev-info p {
    opacity: 0.7;
}

.dev-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
}

.dev-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    text-decoration: none;
    color: var(--text-white);
    transition: var(--transition);
    font-size: 14px;
}

.dev-link:hover {
    transform: translateY(-2px);
}

.dev-link.github:hover { background: #333; }
.dev-link.tiktok:hover { background: #000; }
.dev-link.youtube:hover { background: #ff0000; }
.dev-link.whatsapp:hover { background: #25D366; }
.dev-link.telegram:hover { background: #0088cc; }
.dev-link.twitter:hover { background: #1DA1F2; }
.dev-link.email:hover { background: #ea4335; }

.dev-footer {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
}

.dev-footer i {
    color: #ff6b6b;
    margin-right: 6px;
}

.modal, .overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    justify-content: center;
    align-items: center;
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content, .overlay-content {
    background: var(--bg-modal);
    padding: 32px;
    border-radius: var(--radius-xl);
    max-width: 500px;
    width: 90%;
    border: 1px solid var(--border-primary);
    animation: scaleIn 0.3s ease;
}

.overlay-content {
    max-width: 800px;
    max-height: 80%;
    overflow-y: auto;
}

.modal-content h2, .overlay-content h2 {
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.close {
    float: right;
    font-size: 28px;
    cursor: pointer;
    color: #999;
    transition: color 0.3s;
}

.close:hover {
    color: #fff;
}

.input-group {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    margin: 12px 0;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.input-group:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.input-group i {
    padding: 0 12px;
    color: var(--primary);
}

.input-group input {
    width: 100%;
    padding: 14px 12px 14px 0;
    background: transparent;
    border: none;
    color: var(--text-white);
    font-size: 16px;
    outline: none;
}

.input-group select {
    width: 100%;
    padding: 14px 12px;
    background: #1a1f2e;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    color: var(--text-white);
    font-size: 14px;
    outline: none;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'></polyline></svg>");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-color: #1a1f2e;
}

.input-group select option {
    background: #0f1119;
    color: var(--text-white);
    padding: 10px;
}

.input-group select:hover {
    border-color: var(--primary);
}

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

#time-duration-preset {
    background: #1a1f2e;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    color: var(--text-white);
    padding: 14px 12px;
    width: 100%;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'></polyline></svg>");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-color: #1a1f2e;
}

#time-duration-preset option {
    background: #0f1119;
    color: var(--text-white);
    padding: 10px;
}

#time-duration-preset:focus {
    border-color: var(--primary);
    outline: none;
}

.form-label {
    display: block;
    margin: 16px 0 8px;
    font-size: 14px;
    opacity: 0.8;
}

.end-options {
    display: flex;
    gap: 24px;
    margin: 12px 0;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.radio-label input {
    display: none;
}

.radio-custom {
    width: 18px;
    height: 18px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    display: inline-block;
    position: relative;
}

.radio-label input:checked + .radio-custom::after {
    content: '';
    width: 10px;
    height: 10px;
    background: var(--primary);
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.option-group {
    margin: 16px 0;
}

.session-preview-card {
    display: flex;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin: 30px 0;
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.6s ease;
}

.preview-image-container {
    flex: 0 0 280px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.session-preview-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview-info {
    flex: 1;
    padding: 32px;
}

.preview-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(99, 102, 241, 0.2);
    padding: 6px 14px;
    border-radius: var(--radius-lg);
    font-size: 12px;
    font-weight: 500;
    margin-bottom: 16px;
}

.preview-info h2 {
    font-size: 28px;
    margin-bottom: 20px;
}

.preview-stats {
    display: flex;
    gap: 30px;
    margin: 20px 0;
    padding: 16px 0;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.preview-stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-label {
    font-size: 12px;
    opacity: 0.6;
    display: flex;
    align-items: center;
    gap: 4px;
}

.stat-value {
    font-size: 20px;
    font-weight: 700;
}

.preview-description {
    margin: 20px 0;
    line-height: 1.6;
    opacity: 0.8;
}

.session-header {
    background: var(--bg-card);
    padding: 30px;
    border-radius: var(--radius-lg);
    margin: 30px 0;
    text-align: center;
}

.session-header h1 {
    margin-bottom: 16px;
}

.session-info {
    margin: 15px 0;
}

.session-id {
    background: rgba(255, 255, 255, 0.1);
    padding: 10px 16px;
    border-radius: var(--radius-full);
    font-family: monospace;
    font-size: 14px;
    display: inline-block;
}

.session-timer-box {
    margin: 16px 0;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    font-size: 18px;
}

.timer-value {
    font-weight: 700;
    color: var(--primary);
}

.main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin: 30px 0;
}

.card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    padding: 28px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-4px);
}

.card h2 {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
}

.contact-counter {
    background: rgba(99, 102, 241, 0.2);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    display: inline-block;
    margin-bottom: 20px;
    font-size: 14px;
}

.contacts-list {
    max-height: 400px;
    overflow-y: auto;
}

.contact-item {
    background: rgba(255, 255, 255, 0.08);
    padding: 14px;
    margin: 12px 0;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    animation: fadeInUp 0.3s ease;
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateX(4px);
}

.contact-name {
    font-weight: 600;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.contact-phone, .contact-email {
    font-size: 12px;
    opacity: 0.7;
    word-break: break-all;
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 4px;
}

.download-section {
    text-align: center;
    margin: 40px 0;
}

.sessions-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.session-card {
    background: var(--bg-card);
    padding: 18px;
    margin: 8px 0;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

.session-card:hover {
    transform: translateX(6px);
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--primary);
}

.session-card h3 {
    color: var(--primary);
    margin-bottom: 8px;
}

.session-card p {
    margin: 6px 0;
    font-size: 13px;
    opacity: 0.8;
}

.custom-popup {
    position: fixed;
    top: 20px;
    right: 20px;
    left: auto;
    bottom: auto;
    transform: translateX(0);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--text-white);
    padding: 16px 24px;
    border-radius: var(--radius-md);
    z-index: 10001;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-md), 0 0 0 1px rgba(255, 255, 255, 0.1);
    animation: popupSlideInRight 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    max-width: 400px;
    backdrop-filter: blur(10px);
    cursor: pointer;
}

.custom-popup.success {
    background: linear-gradient(135deg, var(--success), var(--success-dark));
    border-left: 4px solid #34d399;
}

.custom-popup.error {
    background: linear-gradient(135deg, var(--error), var(--error-dark));
    border-left: 4px solid #f87171;
}

.custom-popup.warning {
    background: linear-gradient(135deg, var(--warning), #d97706);
    border-left: 4px solid #fbbf24;
}

.custom-popup.info {
    background: linear-gradient(135deg, var(--info), #2563eb);
    border-left: 4px solid #60a5fa;
}

.custom-popup-icon {
    font-size: 24px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.custom-popup-message {
    font-size: 14px;
    font-weight: 500;
    line-height: 1.4;
    flex: 1;
}

.custom-popup.link-popup {
    max-width: 450px;
    padding: 20px;
    cursor: default;
}

.custom-popup.link-popup .custom-popup-message {
    text-align: center;
}

.popup-link-container {
    display: flex;
    gap: 8px;
    margin: 12px 0;
}

.popup-link-container input {
    flex: 1;
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-sm);
    color: var(--text-white);
    font-size: 12px;
    font-family: monospace;
    outline: none;
}

.popup-link-container input:focus {
    border-color: var(--text-white);
}

.popup-copy-btn {
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-white);
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    transition: var(--transition);
}

.popup-copy-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.02);
}

.custom-popup.fade-out {
    animation: popupSlideOutRight 0.3s ease forwards;
}

@keyframes popupSlideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes popupSlideOutRight {
    to {
        opacity: 0;
        transform: translateX(50px);
        visibility: hidden;
    }
}

/* Navbar Styles */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: rgba(15, 12, 41, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    position: relative;
}

.nav-link i {
    font-size: 1rem;
    transition: transform 0.3s ease;
}

.nav-link:hover {
    color: #ffffff;
    background: rgba(99, 102, 241, 0.1);
}

.nav-link:hover i {
    transform: translateY(-2px);
}

.nav-link.active {
    color: #ffffff;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(168, 85, 247, 0.2));
    border-bottom: 2px solid #6366f1;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #6366f1, #a855f7);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

/* Preview Banner - FIXED for proper image display */
.preview-banner {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    padding: 20px;
    margin-bottom: 30px;
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.6s ease;
}

.preview-banner-content {
    display: flex;
    gap: 30px;
    align-items: center;
    flex-wrap: wrap;
}

.preview-banner-image {
    flex-shrink: 0;
}

.preview-banner-image img {
    width: 180px;
    height: 180px;
    border-radius: var(--radius-lg);
    object-fit: cover;
    border: 2px solid var(--border-primary);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.preview-banner-info {
    flex: 1;
}

.preview-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    padding: 5px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 15px;
}

.preview-banner-info h2 {
    font-size: 28px;
    margin-bottom: 15px;
    color: var(--text-white);
}

.preview-stats {
    display: flex;
    gap: 25px;
    flex-wrap: wrap;
}

.preview-stat {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
}

.stat-value {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-white);
}

/* Session Card Styles */
.session-card {
    display: flex;
    gap: 20px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 20px;
    border: 1px solid var(--border-light);
    transition: var(--transition);
    cursor: pointer;
    backdrop-filter: blur(10px);
}

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

.session-card-image {
    flex-shrink: 0;
}

.session-card-image img {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-md);
    object-fit: cover;
    border: 2px solid var(--border-primary);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.session-card-content {
    flex: 1;
}

.session-card-content h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--text-white);
}

.session-card-content p {
    margin-bottom: 8px;
    color: var(--text-muted);
    font-size: 14px;
}

.session-card-content p i {
    width: 20px;
    margin-right: 8px;
    color: var(--primary);
}

.session-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-light);
}

.session-status-badge {
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
}

.session-status-badge.active {
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.session-status-badge.ended {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.session-join-link {
    font-size: 13px;
    color: var(--primary);
    font-weight: 500;
    transition: var(--transition);
}

.session-card:hover .session-join-link {
    transform: translateX(4px);
}

.sessions-grid {
    max-height: 70vh;
    overflow-y: auto;
    padding: 10px;
}

.sessions-grid::-webkit-scrollbar {
    width: 8px;
}

.sessions-grid::-webkit-scrollbar-track {
    background: var(--bg-card);
    border-radius: 10px;
}

.sessions-grid::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 10px;
}

/* Global Toast */
.global-toast {
    position: fixed;
    top: 20px;
    right: 20px;
    left: auto;
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: rgba(26, 31, 46, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    border-left: 4px solid;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    animation: slideInRight 0.3s ease;
    max-width: 400px;
    min-width: 280px;
}

.global-toast.success {
    border-left-color: #10b981;
}

.global-toast.error {
    border-left-color: #ef4444;
}

.global-toast.warning {
    border-left-color: #f59e0b;
}

.global-toast-icon {
    font-size: 20px;
    font-weight: bold;
}

.global-toast.success .global-toast-icon {
    color: #10b981;
}

.global-toast.error .global-toast-icon {
    color: #ef4444;
}

.global-toast.warning .global-toast-icon {
    color: #f59e0b;
}

.global-toast-message {
    flex: 1;
    color: white;
    font-size: 14px;
    line-height: 1.4;
}

.global-toast-close {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.5);
    font-size: 20px;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s;
}

.global-toast-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.global-toast.fade-out {
    animation: fadeOut 0.3s ease forwards;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeOut {
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 16px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .stats {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 20px;
        padding: 25px;
    }
    
    .stat {
        min-width: calc(33% - 20px);
    }
    
    .main {
        grid-template-columns: 1fr;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .session-preview-card {
        flex-direction: column;
    }
    
    .preview-image-container {
        flex: 0 0 180px;
    }
    
    .preview-info h2 {
        font-size: 22px;
    }
    
    .preview-stats {
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .dev-links {
        justify-content: center;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .custom-popup {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: calc(100% - 20px);
        padding: 12px 20px;
    }
    
    .popup-link-container {
        flex-direction: column;
    }
    
    .popup-copy-btn {
        width: 100%;
    }
    
    .navbar {
        padding: 0.8rem 1rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .nav-link {
        padding: 0.4rem 0.8rem;
        font-size: 0.9rem;
    }
    
    .nav-link span {
        display: none;
    }
    
    .nav-link i {
        font-size: 1.2rem;
    }
    
    .preview-banner-content {
        flex-direction: column;
        text-align: center;
    }
    
    .preview-banner-image img {
        width: 140px;
        height: 140px;
    }
    
    .preview-banner-info h2 {
        font-size: 22px;
    }
    
    .preview-stats {
        justify-content: center;
    }
    
    .session-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .session-card-image img {
        width: 80px;
        height: 80px;
    }
    
    .session-card-footer {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .session-join-link {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .nav-links {
        gap: 0.5rem;
    }
    
    .nav-link {
        padding: 0.3rem 0.6rem;
    }
    
    .stats {
        flex-direction: column;
    }
    
    .stat {
        min-width: auto;
    }
}

/* ===== MOBILE RESPONSIVE FIXES FOR SESSION PAGE ===== */

/* Session Header - Mobile Optimization */
@media (max-width: 768px) {
    .container {
        padding: 12px 16px;
    }
    
    /* Session Header - Stack and center content */
    .session-header {
        padding: 20px 16px;
        margin: 20px 0;
    }
    
    .session-header h1 {
        font-size: 20px;
        word-break: break-word;
    }
    
    .session-id {
        font-size: 11px;
        padding: 8px 12px;
        word-break: break-all;
        max-width: 100%;
        display: block;
        white-space: normal;
    }
    
    /* Timer Box - Better mobile display */
    .session-timer-box {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 6px;
        font-size: 14px;
        background: rgba(99, 102, 241, 0.1);
        padding: 10px 16px;
        border-radius: 40px;
        display: inline-flex;
        margin: 12px auto;
        width: auto;
    }
    
    .timer-value {
        font-size: 14px;
        font-weight: 700;
        background: linear-gradient(135deg, var(--primary), var(--secondary));
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        padding: 0 4px;
    }
    
    /* Session Status */
    .session-status {
        font-size: 13px;
        margin-top: 12px;
        text-align: center;
    }
    
    /* Preview Banner - Better mobile layout */
    .preview-banner {
        padding: 16px;
        margin-bottom: 20px;
    }
    
    .preview-banner-content {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .preview-banner-image img {
        width: 100px;
        height: 100px;
        margin: 0 auto;
        display: block;
    }
    
    .preview-banner-info {
        text-align: center;
    }
    
    .preview-badge {
        display: inline-block;
        margin-bottom: 10px;
    }
    
    .preview-banner-info h2 {
        font-size: 18px;
        margin-bottom: 12px;
        word-break: break-word;
    }
    
    /* Preview Stats - Make them horizontal on mobile */
    .preview-stats {
        display: flex;
        flex-direction: row !important;
        justify-content: center;
        gap: 20px;
        flex-wrap: wrap;
        margin-top: 12px;
    }
    
    .preview-stat {
        text-align: center;
        min-width: 70px;
    }
    
    .stat-label {
        font-size: 10px;
        white-space: nowrap;
    }
    
    .stat-value {
        font-size: 14px;
        font-weight: 600;
    }
    
    /* Main grid - Keep 2 columns on tablet, 1 on mobile */
    .main {
        grid-template-columns: 1fr;
        gap: 20px;
        margin: 20px 0;
    }
    
    /* Cards - Better mobile spacing */
    .card {
        padding: 20px 16px;
    }
    
    .card h2 {
        font-size: 18px;
        margin-bottom: 16px;
    }
    
    .contact-counter {
        font-size: 12px;
        padding: 6px 12px;
        margin-bottom: 16px;
        display: inline-block;
    }
    
    /* Input groups - Full width on mobile */
    .input-group {
        margin: 10px 0;
    }
    
    .input-group input,
    .input-group select {
        padding: 12px 12px 12px 0;
        font-size: 14px;
    }
    
    .input-group i {
        font-size: 14px;
    }
    
    /* Buttons - Better touch targets */
    .btn {
        padding: 12px 20px;
        font-size: 14px;
        width: 100%;
        justify-content: center;
    }
    
    .btn-lg {
        padding: 14px 24px;
        font-size: 16px;
    }
    
    /* Download section */
    .download-section {
        margin: 30px 0;
    }
    
    /* Contacts List */
    .contacts-list {
        max-height: 350px;
    }
    
    .contact-item {
        padding: 12px;
    }
    
    .contact-name {
        font-size: 14px;
    }
    
    .contact-phone, .contact-email {
        font-size: 11px;
    }
    
    /* Developer Section */
    .dev-section {
        margin: 40px 0 20px;
    }
    
    .dev-card {
        padding: 20px 16px;
    }
    
    .dev-header {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }
    
    .dev-avatar {
        width: 50px;
        height: 50px;
        font-size: 24px;
        margin: 0 auto;
    }
    
    .dev-info h3 {
        font-size: 18px;
    }
    
    .dev-info p {
        font-size: 12px;
    }
    
    .dev-links {
        justify-content: center;
        gap: 8px;
    }
    
    .dev-link {
        padding: 6px 12px;
        font-size: 11px;
    }
    
    .dev-link span {
        display: inline;
    }
    
    .dev-footer {
        font-size: 12px;
    }
    
    /* Navbar mobile */
    .navbar {
        padding: 12px 0;
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .logo {
        font-size: 18px;
    }
    
    .btn-outline {
        padding: 8px 16px;
        font-size: 12px;
    }
    
    .btn-outline i {
        font-size: 12px;
    }
    
    /* Stats section on home page - horizontal on mobile */
    .stats {
        flex-direction: row !important;
        flex-wrap: wrap;
        gap: 15px;
        padding: 20px 15px;
    }
    
    .stat {
        flex: 1;
        min-width: calc(33.33% - 15px);
        padding: 10px 5px;
    }
    
    .stat-icon {
        font-size: 24px;
    }
    
    .stat h2 {
        font-size: 24px;
    }
    
    .stat p {
        font-size: 11px;
    }
    
    /* Hero section */
    .hero {
        padding: 30px 15px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 14px;
    }
    
    .hero-buttons {
        gap: 12px;
    }
    
    /* Steps section */
    .how-it-works h2 {
        font-size: 28px;
        margin-bottom: 30px;
    }
    
    .steps {
        gap: 20px;
    }
    
    .step {
        padding: 20px;
    }
    
    .step-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .step h3 {
        font-size: 18px;
    }
    
    .step p {
        font-size: 12px;
    }
}

/* Extra small devices (phones under 480px) */
@media (max-width: 480px) {
    .container {
        padding: 10px 12px;
    }
    
    /* Session header further optimized */
    .session-header {
        padding: 16px 12px;
    }
    
    .session-header h1 {
        font-size: 18px;
    }
    
    .session-id {
        font-size: 10px;
        padding: 6px 10px;
        word-break: break-all;
    }
    
    .session-timer-box {
        font-size: 12px;
        padding: 8px 12px;
        gap: 4px;
    }
    
    .timer-value {
        font-size: 12px;
    }
    
    /* Preview banner - compact */
    .preview-banner {
        padding: 12px;
    }
    
    .preview-banner-image img {
        width: 80px;
        height: 80px;
    }
    
    .preview-banner-info h2 {
        font-size: 16px;
    }
    
    .preview-stats {
        gap: 12px;
    }
    
    .preview-stat {
        min-width: 60px;
    }
    
    .stat-label {
        font-size: 9px;
        white-space: normal;
    }
    
    .stat-value {
        font-size: 12px;
    }
    
    /* Stats on home - adjust for very small screens */
    .stats {
        flex-wrap: wrap;
        gap: 12px;
    }
    
    .stat {
        min-width: calc(50% - 12px);
        flex: none;
    }
    
    /* Buttons */
    .btn {
        padding: 10px 16px;
        font-size: 13px;
    }
    
    /* Cards */
    .card {
        padding: 16px 12px;
    }
    
    .card h2 {
        font-size: 16px;
    }
    
    /* Developer links - wrap better */
    .dev-links {
        gap: 6px;
    }
    
    .dev-link {
        padding: 5px 10px;
        font-size: 10px;
    }
    
    .dev-link i {
        font-size: 12px;
    }
}

/* Tablet devices (768px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        padding: 16px 24px;
    }
    
    .main {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }
    
    .session-header h1 {
        font-size: 24px;
    }
    
    .preview-banner-info h2 {
        font-size: 22px;
    }
    
    .stats {
        gap: 25px;
        padding: 30px;
    }
    
    .stat h2 {
        font-size: 30px;
    }
}

/* Fix for session timer box - ensure it stays inline */
.session-timer-box {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.05);
    padding: 8px 20px;
    border-radius: 40px;
    margin: 16px auto;
    width: fit-content;
}

/* Ensure preview stats are horizontal on all devices */
.preview-stats {
    display: flex;
    flex-direction: row;
    gap: 30px;
    flex-wrap: wrap;
}

/* Session link display - better word break */
.session-id {
    word-break: break-all;
    max-width: 100%;
    white-space: normal;
    display: inline-block;
}

/* Contact counter responsive */
.contact-counter {
    display: inline-block;
    width: auto;
}

/* Fix for download button on mobile */
.download-section .btn {
    max-width: 100%;
}

/* Ensure images don't overflow */
img {
    max-width: 100%;
    height: auto;
}

/* Fix for status badge on mobile */
.session-status-badge {
    white-space: nowrap;
}

@media (max-width: 480px) {
    .session-status-badge {
        white-space: normal;
        font-size: 10px;
        padding: 3px 8px;
    }
}

/* Animated check icon styles (added) */
@keyframes checkPop {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.animated-check {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    animation: checkPop 0.4s cubic-bezier(0.34, 1.2, 0.64, 1);
    background: rgba(16, 185, 129, 0.2);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    color: #10b981;
    margin-left: 8px;
}

.animated-check i {
    font-size: 12px;
}

/* Copy button success animation */
.btn-outline:active {
    transform: scale(0.98);
}

/* Smooth transitions for all interactive elements */
.btn, .session-card, .stat, .step, .dev-link {
    transition: all 0.2s ease;
}

/* Improve touch targets on mobile */
@media (max-width: 768px) {
    button, 
    .btn,
    .session-card,
    .dev-link,
    .nav-link,
    .whatsapp-link {
        cursor: pointer;
        -webkit-tap-highlight-color: transparent;
    }
    
    button:active,
    .btn:active,
    .session-card:active {
        transform: scale(0.98);
    }
}
.countdown-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.countdown-content {
    background: linear-gradient(135deg, #1a1f2e, #0f1119);
    border-radius: 24px;
    padding: 40px;
    text-align: center;
    border: 1px solid rgba(99, 102, 241, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    animation: slideUp 0.3s ease;
}

.countdown-content h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: white;
}

.countdown-content p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
}

.countdown-progress {
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 20px;
}

.countdown-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #6366f1, #a855f7);
    border-radius: 4px;
    transition: width 1s linear;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

.custom-time-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 10px;
}

.custom-time-group .input-group {
    margin: 0;
}

@media (max-width: 768px) {
    .custom-time-group {
        grid-template-columns: 1fr;
        gap: 10px;
    }
}