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

body {
    background: linear-gradient(135deg, #0a0a1a 0%, #1a1a3a 50%, #0d0d2b 100%);
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #e0e0e0;
}

.container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.card {
    background: rgba(15, 15, 35, 0.95);
    border: 1px solid rgba(100, 200, 255, 0.2);
    border-radius: 20px;
    padding: 40px;
    max-width: 500px;
    width: 100%;
    box-shadow: 0 0 40px rgba(100, 200, 255, 0.1),
                inset 0 0 60px rgba(100, 200, 255, 0.05);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #00d4ff, #7b2cbf, transparent);
    animation: borderGlow 3s ease-in-out infinite;
}

@keyframes borderGlow {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
}

.logo-icon {
    font-size: 40px;
    color: #00d4ff;
    margin-right: 15px;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.8);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.logo-text {
    font-size: 32px;
    font-weight: bold;
    background: linear-gradient(135deg, #00d4ff, #7b2cbf);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h1 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 10px;
    color: #ffffff;
    text-shadow: 0 0 20px rgba(100, 200, 255, 0.5);
}

h2 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 10px;
    color: #ffffff;
    text-shadow: 0 0 15px rgba(100, 200, 255, 0.4);
}

.subtitle {
    text-align: center;
    color: #a0a0c0;
    margin-bottom: 30px;
    font-size: 16px;
}

.features {
    display: flex;
    justify-content: space-around;
    margin-bottom: 30px;
}

.feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 15px;
    background: rgba(100, 200, 255, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(100, 200, 255, 0.1);
    transition: all 0.3s ease;
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 212, 255, 0.3);
    border-color: rgba(0, 212, 255, 0.4);
}

.feature i {
    font-size: 24px;
    color: #00d4ff;
    margin-bottom: 10px;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.6);
}

.feature-text {
    font-size: 12px;
    color: #c0c0e0;
    text-align: center;
}

.step-indicator {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
}

.step {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(100, 200, 255, 0.2);
    border: 1px solid rgba(100, 200, 255, 0.3);
    transition: all 0.3s ease;
}

.step.active {
    background: #00d4ff;
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.8),
                0 0 30px rgba(0, 212, 255, 0.4);
    border-color: #00d4ff;
}

.input-container {
    margin-bottom: 20px;
}

.code-input {
    width: 100%;
    padding: 15px 20px;
    font-size: 18px;
    border: 2px solid rgba(100, 200, 255, 0.3);
    border-radius: 10px;
    background: rgba(10, 10, 30, 0.8);
    color: #ffffff;
    outline: none;
    transition: all 0.3s ease;
}

.code-input:focus {
    border-color: #00d4ff;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.code-input::placeholder {
    color: #606080;
}

.input-hint {
    font-size: 12px;
    color: #8080a0;
    margin-top: 8px;
    text-align: center;
}

.error-message {
    display: none;
    color: #ff4757;
    text-align: center;
    margin-top: 10px;
    font-size: 14px;
    text-shadow: 0 0 10px rgba(255, 71, 87, 0.5);
}

.btn {
    width: 100%;
    padding: 15px 30px;
    font-size: 18px;
    font-weight: bold;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #00d4ff 0%, #7b2cbf 100%);
    color: #ffffff;
    box-shadow: 0 5px 20px rgba(0, 212, 255, 0.4);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.6);
}

.btn:active {
    transform: translateY(0);
}

.btn i {
    margin-right: 10px;
}

.btn-whatsapp {
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    box-shadow: 0 5px 20px rgba(37, 211, 102, 0.4);
}

.btn-whatsapp:hover {
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
}

.trust-badges {
    display: flex;
    justify-content: space-around;
    margin-bottom: 20px;
}

.trust-badge {
    display: flex;
    align-items: center;
    padding: 8px 15px;
    background: rgba(100, 200, 255, 0.08);
    border-radius: 20px;
    font-size: 12px;
    color: #a0a0c0;
    border: 1px solid rgba(100, 200, 255, 0.15);
}

.trust-badge i {
    margin-right: 8px;
    color: #00d4ff;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    margin: 0 auto 30px;
    border: 4px solid rgba(100, 200, 255, 0.2);
    border-top-color: #00d4ff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.success-animation {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
}

.checkmark {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: block;
    stroke-width: 2;
    stroke: #00d4ff;
    stroke-miterlimit: 10;
    box-shadow: inset 0px 0px 0px #00d4ff;
    animation: fill .4s ease-in-out .4s forwards, scale .3s ease-in-out .9s both;
}

.checkmark__circle {
    stroke-dasharray: 166;
    stroke-dashoffset: 166;
    stroke-width: 2;
    stroke-miterlimit: 10;
    stroke: #00d4ff;
    fill: none;
    animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.checkmark__check {
    transform-origin: 50% 50%;
    stroke-dasharray: 48;
    stroke-dashoffset: 48;
    animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.8s forwards;
}

@keyframes stroke {
    100% { stroke-dashoffset: 0; }
}

@keyframes scale {
    0%, 100% { transform: none; }
    50% { transform: scale3d(1.1, 1.1, 1); }
}

@keyframes fill {
    100% { box-shadow: inset 0px 0px 0px 30px rgba(0, 212, 255, 0.1); }
}

.result-message {
    color: #e0e0e0;
    font-size: 18px;
    margin-bottom: 20px;
}

.code-display {
    color: #00d4ff;
    font-weight: bold;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.6);
}

.disclaimer {
    text-align: center;
    font-size: 11px;
    color: #606080;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(100, 200, 255, 0.1);
}

.hidden {
    display: none !important;
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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