/* Block 1 */
.hero-banner {
  position: relative;
  background-image: url('tech-background.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-overlay {
  background: linear-gradient(135deg, rgba(13, 110, 253, 0.85) 0%, rgba(102, 126, 234, 0.75) 100%);
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  color: white;
  width: 100%;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-description {
  font-size: 1.25rem;
  line-height: 1.6;
  margin-bottom: 2.5rem;
  opacity: 0.95;
  max-width: 500px;
}

.btn-hero {
  display: inline-block;
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  color: #0d6efd;
  padding: 15px 40px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1.1rem;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
  border: 2px solid transparent;
}

.btn-hero:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(255, 255, 255, 0.3);
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  color: #0d6efd;
}

.hero-image {
  width: 100%;
  max-width: 500px;
  height: auto;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
}

.hero-image:hover {
  transform: scale(1.02);
}

@media (max-width: 991px) {
  .hero-title {
    font-size: 2.8rem;
  }
  
  .hero-description {
    font-size: 1.1rem;
    max-width: 100%;
  }
  
  .hero-banner {
    min-height: auto;
    padding: 100px 0;
  }
  
  .min-vh-100 {
    min-height: auto !important;
  }
}

@media (max-width: 767px) {
  .hero-title {
    font-size: 2.2rem;
    text-align: center;
  }
  
  .hero-description {
    font-size: 1rem;
    text-align: center;
    margin-bottom: 2rem;
  }
  
  .btn-hero {
    display: block;
    text-align: center;
    margin: 0 auto;
    max-width: 280px;
    padding: 12px 30px;
    font-size: 1rem;
  }
  
  .hero-image {
    margin-top: 2rem;
  }
}

@media (max-width: 575px) {
  .hero-banner {
    padding: 80px 0;
  }
  
  .hero-title {
    font-size: 1.8rem;
  }
  
  .btn-hero {
    padding: 10px 25px;
  }
}

/* Block 2 */
.advanced-features {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9ff 0%, #fff5f3 100%);
    position: relative;
    overflow: hidden;
}

.advanced-features::before {
    content: '';
    width: 200px;
    height: 200px;
    background: linear-gradient(45deg, rgba(13, 110, 253, 0.1), rgba(220, 53, 69, 0.1));
    border-radius: 50%;
    top: -100px;
    right: -100px;
    z-index: 1;
}

.advanced-features::after {
    content: '';
    width: 150px;
    height: 150px;
    background: linear-gradient(45deg, rgba(25, 135, 84, 0.08), rgba(255, 193, 7, 0.08));
    border-radius: 50%;
    bottom: -75px;
    left: -75px;
    z-index: 1;
}

.features-title {
    font-size: 2.8rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 20px;
    position: relative;
    z-index: 2;
}

.features-subtitle {
    font-size: 1.25rem;
    color: #6c757d;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.feature-card {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    height: 100%;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    z-index: 2;
}

.feature-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.15);
    border-color: rgba(13, 110, 253, 0.2);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, #0d6efd, #6610f2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-img {
    width: 45px;
    height: 45px;
    filter: brightness(0) invert(1);
}

.feature-name {
    font-size: 1.4rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 15px;
    text-align: center;
}

.feature-desc {
    color: #6c757d;
    line-height: 1.6;
    margin-bottom: 20px;
    text-align: center;
    font-size: 0.95rem;
}

.feature-metrics {
    text-align: center;
    margin-top: auto;
}

.metric-badge {
    display: inline-block;
    background: linear-gradient(135deg, #0d6efd, #6610f2);
    color: white;
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

@media (max-width: 768px) {
    .advanced-features {
        padding: 60px 0;
    }
    
    .features-title {
        font-size: 2.2rem;
    }
    
    .features-subtitle {
        font-size: 1.1rem;
    }
    
    .feature-card {
        padding: 30px 25px;
        margin-bottom: 20px;
    }
    
    .feature-icon {
        width: 70px;
        height: 70px;
    }
    
    .feature-img {
        width: 35px;
        height: 35px;
    }
}

@media (max-width: 576px) {
    .features-title {
        font-size: 1.9rem;
    }
    
    .feature-name {
        font-size: 1.2rem;
    }
}

/* Block 3 */
.quantum-browser-evolution {
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.quantum-browser-evolution::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(circle at 20% 30%, rgba(120, 119, 198, 0.1) 0%, transparent 50%),
                      radial-gradient(circle at 80% 70%, rgba(255, 119, 198, 0.1) 0%, transparent 50%),
                      radial-gradient(circle at 40% 80%, rgba(119, 198, 255, 0.1) 0%, transparent 50%);
    animation: quantumPulse 8s ease-in-out infinite;
}

@keyframes quantumPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.8; }
}

.evolution-header {
    text-align: center;
    margin-bottom: 80px;
    position: relative;
    z-index: 2;
}

.evolution-badge {
    display: inline-block;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4, #45b7d1);
    background-size: 300% 300%;
    animation: gradientShift 3s ease infinite;
    color: white;
    padding: 8px 24px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.evolution-title {
    color: #ffffff;
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #ffffff, #a8edea, #fed6e3);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.evolution-subtitle {
    color: #b8b8d1;
    font-size: 1.25rem;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
}

.quantum-visual-container {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.quantum-core-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    filter: brightness(1.1) contrast(1.2);
}

.quantum-node {
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, #4ecdc4, #44a08d);
    border-radius: 50%;
    position: absolute;
    box-shadow: 0 0 20px rgba(78, 205, 196, 0.6);
    animation: quantumFloat 4s ease-in-out infinite;
}

.quantum-node[data-node="1"] {
    top: 10%;
    left: 15%;
    animation-delay: 0s;
}

.quantum-node[data-node="2"] {
    top: 70%;
    right: 20%;
    animation-delay: 1.3s;
}

.quantum-node[data-node="3"] {
    bottom: 20%;
    left: 10%;
    animation-delay: 2.6s;
}

.quantum-node.active {
    background: linear-gradient(135deg, #ff6b6b, #ee5a6f);
    box-shadow: 0 0 30px rgba(255, 107, 107, 0.8);
}

@keyframes quantumFloat {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-20px) scale(1.2); }
}

.quantum-features-list {
    padding-left: 40px;
}

.quantum-feature {
    display: flex;
    align-items: flex-start;
    margin-bottom: 40px;
    padding: 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.quantum-feature:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(78, 205, 196, 0.3);
}

.feature-quantum-icon {
    margin-right: 24px;
    flex-shrink: 0;
}

.quantum-icon {
    width: 48px;
    height: 48px;
    filter: brightness(0) invert(1);
}

.feature-quantum-title {
    color: #ffffff;
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-quantum-desc {
    color: #b8b8d1;
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 16px;
}

.feature-quantum-stats {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.quantum-stat {
    background: linear-gradient(135deg, #4ecdc4, #44a08d);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.quantum-metrics-dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 80px;
}

.metric-quantum-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    backdrop-filter: blur(20px);
    position: relative;
    transition: all 0.3s ease;
}

.metric-quantum-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.metric-quantum-value {
    font-size: 3rem;
    font-weight: 900;
    color: #ffffff;
    margin-bottom: 12px;
    background: linear-gradient(135deg, #4ecdc4, #ff6b6b);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.metric-quantum-label {
    color: #b8b8d1;
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 20px;
}

.metric-quantum-indicator {
    width: 60px;
    height: 4px;
    margin: 0 auto;
    border-radius: 2px;
}

.metric-quantum-indicator.positive {
    background: linear-gradient(90deg, #4ecdc4, #44a08d);
}

.metric-quantum-indicator.neutral {
    background: linear-gradient(90deg, #ffa726, #ff7043);
}

@media (max-width: 992px) {
    .evolution-title {
        font-size: 2.8rem;
    }
    
    .quantum-features-list {
        padding-left: 0;
        margin-top: 60px;
    }
    
    .quantum-visual-container {
        height: 400px;
    }
    
    .quantum-core-image {
        height: 300px;
    }
}

@media (max-width: 768px) {
    .evolution-title {
        font-size: 2.2rem;
    }
    
    .evolution-subtitle {
        font-size: 1.1rem;
    }
    
    .quantum-feature {
        padding: 20px;
    }
    
    .metric-quantum-value {
        font-size: 2.5rem;
    }
}

/* Block 4 */
.neural-contact-portal {
    padding: 120px 0;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    position: relative;
    overflow: hidden;
}

.neural-contact-portal::before {
    content: '';
    background: radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.2) 0%, transparent 50%);
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
}

.portal-header {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    z-index: 3;
}

.neural-pulse-indicator {
    width: 80px;
    height: 80px;
    margin: 0 auto 30px;
    background: linear-gradient(45deg, #7c7cc6, #ff77c6);
    border-radius: 50%;
    position: relative;
    animation: neuralPulse 3s ease-in-out infinite;
}

.neural-pulse-indicator::before,
.neural-pulse-indicator::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 2px solid rgba(124, 124, 198, 0.4);
    animation: neuralRipple 3s ease-in-out infinite;
}

.neural-pulse-indicator::before {
    width: 120px;
    height: 120px;
    animation-delay: 0.5s;
}

.neural-pulse-indicator::after {
    width: 160px;
    height: 160px;
    animation-delay: 1s;
}

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

@keyframes neuralRipple {
    0% { opacity: 1; transform: translate(-50%, -50%) scale(0.8); }
    100% { opacity: 0; transform: translate(-50%, -50%) scale(1.2); }
}

.portal-title {
    font-size: 3.2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #ffffff, #7c7cc6);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.portal-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

.neural-form-container {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 50px 40px;
    backdrop-filter: blur(20px);
    position: relative;
    z-index: 2;
}

.synaptic-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(124, 124, 198, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(124, 124, 198, 0.1) 1px, transparent 1px);
    background-size: 20px 20px;
    border-radius: 24px;
    opacity: 0.3;
}

.neural-contact-form {
    position: relative;
    z-index: 3;
}

.neural-input-group {
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.neural-field {
    position: relative;
    flex: 1;
}

.neural-input {
    width: 100%;
    padding: 20px 0 20px 0;
    background: transparent;
    border: none;
    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    outline: none;
}

.neural-input:focus {
    border-bottom-color: #7c7cc6;
}

.neural-input:focus + .neural-label,
.neural-input:valid + .neural-label {
    transform: translateY(-30px) scale(0.85);
    color: #7c7cc6;
}

.neural-label {
    position: absolute;
    top: 20px;
    left: 0;
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.1rem;
    pointer-events: none;
    transition: all 0.3s ease;
    transform-origin: left top;
}

.neural-underline {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #7c7cc6, #ff77c6);
    transition: width 0.3s ease;
}

.neural-input:focus ~ .neural-underline {
    width: 100%;
}

.neural-focus-ring {
    position: absolute;
    top: 50%;
    left: -10px;
    right: -10px;
    height: 60px;
    transform: translateY(-50%);
    border: 2px solid transparent;
    border-radius: 12px;
    transition: all 0.3s ease;
    pointer-events: none;
}

.neural-input:focus ~ .neural-focus-ring {
    border-color: rgba(124, 124, 198, 0.3);
    box-shadow: 0 0 20px rgba(124, 124, 198, 0.2);
}

.field-quantum-indicator {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, rgba(124, 124, 198, 0.2), rgba(255, 119, 198, 0.2));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.field-icon {
    width: 24px;
    height: 24px;
    filter: brightness(0) invert(1);
    opacity: 0.8;
}

.neural-submit-container {
    text-align: center;
    margin-top: 50px;
}

.neural-submit-btn {
    background: linear-gradient(135deg, #7c7cc6, #ff77c6);
    border: none;
    border-radius: 16px;
    padding: 18px 50px;
    color: white;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.neural-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(124, 124, 198, 0.4);
}

.btn-neural-text {
    position: relative;
    z-index: 3;
}

.btn-neural-waves {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    border-radius: 16px;
}

.neural-wave {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    animation: neuralWave 2s ease-in-out infinite;
}

.neural-wave.wave-1 { animation-delay: 0s; }
.neural-wave.wave-2 { animation-delay: 0.7s; }
.neural-wave.wave-3 { animation-delay: 1.4s; }

@keyframes neuralWave {
    0% { transform: translate(-50%, -50%) scale(0); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(1); opacity: 0; }
}

.btn-neural-icon {
    width: 20px;
    height: 20px;
    filter: brightness(0) invert(1);
    position: relative;
    z-index: 3;
}

.neural-security-badge {
    margin-top: 40px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.security-seal {
    width: 40px;
    height: 40px;
    filter: brightness(0) invert(1);
    opacity: 0.8;
}

.security-title {
    color: #7c7cc6;
    font-weight: 600;
    font-size: 0.95rem;
}

.security-desc {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
}

@media (max-width: 768px) {
    .portal-title {
        font-size: 2.5rem;
    }
    
    .neural-form-container {
        padding: 30px 20px;
    }
    
    .neural-input-group {
        flex-direction: column;
        gap: 15px;
    }
    
    .field-quantum-indicator {
        align-self: stretch;
        width: auto;
        height: 40px;
    }
    
    .neural-submit-btn {
        width: 100%;
        justify-content: center;
    }
    
    .neural-security-badge {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
}