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

:root {
    --primary-color: #e9ccfa;
    --secondary-color: #84d3fa;
    --accent-color: #f4adf3;
    --dark-color: #302d30;
    --light-color: #FFFFFF;
    --success-color: #4CAF50;
    --diamond-gradient: linear-gradient(to right, rgb(244, 173, 243, 0.67) 0%, rgb(130, 214, 249) 100%);
    --elegant-gradient: linear-gradient(135deg, #7a007a 0%, #b986ba 50%, #acd1fa 100%);
    --soft-gradient: linear-gradient(135deg, #e9ccfa 0%, #84d3fa 100%);
    --shadow: 0 10px 40px rgba(233, 204, 250, 0.2);
    --shadow-hover: 0 15px 50px rgba(233, 204, 250, 0.35);
    --nav-height: 80px;
}

body {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.4;
    color: var(--dark-color);
    background: linear-gradient(135deg, #f8f4fc 0%, #e8f7fd 100%);
    overflow-x: hidden;
    padding-top: var(--nav-height);
    padding-bottom: 90px;
}

/* Sticky Navigation */
.sticky-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--elegant-gradient);
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
    height: var(--nav-height);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.nav-logo {
    flex-shrink: 0;
}
        
.logo-text {
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--diamond-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 5px;
    margin: 0;
    padding: 0;
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    display: block;
    padding: 12px 20px;
    color: var(--light-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
}

.nav-menu a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-menu a:hover {
    color: var(--dark-color);
    background: rgb(233 204 250 / 48%);
}

.nav-menu a:hover::before {
    width: 80%;
}

.nav-menu a.active {
    background: var(--diamond-gradient);
    color: var(--light-color);
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
    width: 45px;
    height: 45px;
    position: relative;
}

.nav-toggle span {
    width: 28px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
    transition: all 0.3s ease;
    display: block;
    position: absolute;
}

.nav-toggle span:nth-child(1) {
    top: 12px;
}

.nav-toggle span:nth-child(2) {
    top: 21px;
}

.nav-toggle span:nth-child(3) {
    top: 30px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px 20px;
}

/* Screen Management */
.screen {
    display: none;
    min-height: 100vh;
    animation: fadeIn 0.5s ease-in-out;
}

.screen.active {
    display: block;
}

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

/* Main Screen Styles */
#main-screen {
    padding-top: 30px;
}

.header-section {
    text-align: center;
    margin-bottom: 40px;
}

.main-title {
    font-size: 3rem;
    font-weight: 800;
    background: var(--diamond-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
    animation: slideDown 0.8s ease-out;
    line-height: 1.2;
}

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

.main-subtitle {
    font-size: 1.3rem;
    color: #666;
    font-weight: 300;
    line-height: 1.4;
}

/* Flowchart Styles */
.flowchart {
    margin-top: 40px;
}

.flow-level {
    margin-bottom: 40px;
}

.level-1 {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
}

.flow-node {
    background: white;
    border-radius: 20px;
    padding: 25px 35px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    min-width: 180px;
    text-align: center;
}

.flow-node.clickable {
    cursor: pointer;
    background: var(--soft-gradient);
}

.flow-node.clickable .node-icon {
    font-size: 3rem;
    filter: brightness(1.2);
}

.flow-node.clickable .node-text {
    color: white;
    font-weight: 600;
}

.flow-node.clickable:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: var(--shadow-hover);
}

.node-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.node-text {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark-color);
    line-height: 1.3;
}

.flow-arrow {
    font-size: 2rem;
    color: var(--primary-color);
    font-weight: bold;
}

/* Service Grid */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.service-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), 
                box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 3px solid transparent;
    position: relative;
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    -webkit-font-smoothing: subpixel-antialiased;
    opacity: 1;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translate3d(0, 30px, 0);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--diamond-gradient);
    opacity: 0;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
    pointer-events: none;
}

.service-card:hover::before {
    opacity: 0.2;
}

.service-card:hover {
    transform: translate3d(0, -10px, 0);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.service-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
    background: var(--soft-gradient);
    padding: 10px;
}

.service-image img {
    width: 100%;
    border-radius: 20px 20px 0 0;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: scale(1);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.service-card:hover .service-image img {
    transform: scale(1.08);
}

.service-card-content {
    padding: 20px;
    text-align: center;
    position: relative;
    z-index: 2;
}

.service-card h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: var(--dark-color);
    font-weight: 600;
    line-height: 1.3;
}

.service-card p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.3;
}

/* Service Screen Styles */
.service-screen {
    background: linear-gradient(135deg, #ffffff 0%, #ffeef8 100%);
}

.back-btn {
    background: var(--soft-gradient);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.back-btn:hover {
    transform: translateX(-5px);
    box-shadow: var(--shadow-hover);
    background: var(--diamond-gradient);
}

.service-content {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    border-radius: 30px;
    padding: 60px;
    box-shadow: var(--shadow-hover);
}

.service-header {
    margin-bottom: 40px;
    text-align: center;
}

.service-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 20px;
    line-height: 1.3;
}

.subtitle {
    font-size: 1.3rem;
    color: #666;
    font-weight: 400;
    line-height: 1.6;
}

.service-body {
    font-size: 1.1rem;
}

.intro-text {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--dark-color);
    margin-bottom: 30px;
    padding: 20px;
    background: linear-gradient(135deg, #f8f4fc 0%, #e8f7fd 100%);
    border-radius: 15px;
    border-left: 5px solid var(--primary-color);
}

.service-body h3 {
    font-size: 1.5rem;
    margin: 30px 0 20px;
    color: var(--dark-color);
}

.benefits-list {
    list-style: none;
    margin: 20px 0;
}

.benefits-list li {
    padding: 15px 20px;
    margin-bottom: 12px;
    background: #f8f9fa;
    border-radius: 10px;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.benefits-list li:hover {
    transform: translateX(10px);
    background: linear-gradient(135deg, #f8f4fc 0%, #e8f7fd 100%);
    border-left: 3px solid var(--secondary-color);
}

.result-block,
.bonus-block {
    background: var(--elegant-gradient);
    color: white;
    padding: 30px;
    border-radius: 20px;
    margin: 30px 0;
    box-shadow: var(--shadow);
    border: 2px solid var(--secondary-color);
    position: relative;
    overflow: hidden;
}

.result-block::after,
.bonus-block::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--diamond-gradient);
    opacity: 0.1;
    pointer-events: none;
}

.result-block h4 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.result-block p {
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Consultation Types */
.consultation-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.consultation-card {
    background: white;
    border: 3px solid #f0f0f0;
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.consultation-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.consultation-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.consultation-card h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.consultation-card p {
    color: #666;
}

/* Refrigeration Types */
.refrigeration-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.ref-card {
    background: linear-gradient(135deg, #f8f4fc 0%, #e8f7fd 100%);
    border-radius: 15px;
    padding: 25px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid rgba(233, 204, 250, 0.5);
}

.ref-card:hover {
    border-color: var(--secondary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    background: white;
}

.ref-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.ref-card h4 {
    font-size: 1.1rem;
    color: var(--dark-color);
}

/* Advertising Types */
.advertising-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin: 30px 0 40px;
}

.ad-card {
    background: linear-gradient(135deg, #f8f4fc 0%, #e8f7fd 100%);
    border-radius: 15px;
    padding: 25px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid rgba(233, 204, 250, 0.5);
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
}

.ad-card:hover {
    border-color: var(--secondary-color);
    transform: translate3d(0, -5px, 0);
    box-shadow: var(--shadow);
    background: white;
}

.ad-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.ad-card h4 {
    font-size: 1.1rem;
    color: var(--dark-color);
    margin-bottom: 8px;
    font-weight: 600;
    line-height: 1.3;
}

.ad-card p {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.4;
}

/* Shop Types (Internet-shop packages) */
.shop-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
    margin: 30px 0 40px;
}

.shop-type-card {
    background: white;
    border-radius: 20px;
    padding: 30px 25px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 3px solid rgba(233, 204, 250, 0.3);
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
    position: relative;
    overflow: hidden;
}

.shop-type-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--soft-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}

.shop-type-card:hover::before {
    opacity: 0.1;
}

.shop-type-card:hover {
    border-color: var(--secondary-color);
    transform: translate3d(0, -8px, 0);
    box-shadow: var(--shadow-hover);
}

.shop-type-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.shop-type-card h4 {
    font-size: 1.3rem;
    color: var(--dark-color);
    margin-bottom: 10px;
    font-weight: 700;
    line-height: 1.3;
    position: relative;
    z-index: 1;
}

.shop-type-card p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.4;
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.price-hint {
    font-size: 1.1rem;
    font-weight: 700;
    background: var(--diamond-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: 10px;
    position: relative;
    z-index: 1;
}

/* E-commerce Types */
.ecommerce-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
    margin: 30px 0 40px;
}

.ecom-card {
    background: white;
    border-radius: 20px;
    padding: 30px 25px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 3px solid rgba(132, 211, 250, 0.3);
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.ecom-card:hover {
    border-color: var(--secondary-color);
    transform: translate3d(0, -8px, 0);
    box-shadow: var(--shadow-hover);
    background: linear-gradient(135deg, #f8f4fc 0%, #e8f7fd 100%);
}

.ecom-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.ecom-card h4 {
    font-size: 1.2rem;
    color: var(--dark-color);
    margin-bottom: 10px;
    font-weight: 600;
    line-height: 1.3;
}

.ecom-card p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.4;
    margin-bottom: 15px;
}

.price-tag {
    display: inline-block;
    background: var(--soft-gradient);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 700;
    margin-top: 10px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* CTA Button */
.cta-button {
    display: block;
    background: var(--diamond-gradient);
    color: white;
    font-family: montserrat;
    font-weight: 700;
    font-size: 1.2rem;
    text-align: center;
    text-decoration: none;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    box-shadow: var(--shadow);
    margin: 40px auto;
    max-width: 500px;
    border: none;
    padding: 20px 40px;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    margin: 40px auto;
    text-align: center;
    max-width: 500px;
    text-decoration: none;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-hover);
    background: var(--soft-gradient);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: white;
    border-radius: 30px;
    padding: 50px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: slideUp 0.4s ease;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.brief-modal {
    max-width: 750px;
    padding: 60px 40px 40px 40px;
}

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

.close-modal {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 1.8rem;
    font-weight: bold;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--dark-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    z-index: 1001;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.close-modal:hover {
    background: var(--primary-color);
    transform: rotate(90deg) scale(1.1);
}

.modal-content h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: var(--dark-color);
    text-align: center;
    line-height: 1.3;
}

.logo-image {
    width: 250px;
    height: auto;
}
/* Brief Header */
.brief-header {
    margin-bottom: 30px;
}

.brief-header h2 {
    margin-bottom: 20px;
    line-height: 1.3;
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 8px;
    background: #f0f0f0;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-fill {
    height: 100%;
    background: var(--diamond-gradient);
    transition: width 0.3s ease;
    width: 20%;
}

.progress-text {
    text-align: center;
    font-size: 0.9rem;
    color: #666;
    font-weight: 500;
}

/* Brief Steps */
#brief-steps-container {
    min-height: 300px;
}

.brief-step {
    display: none;
    animation: fadeInStep 0.4s ease;
}

.brief-step.active {
    display: block;
}

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

.step-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--secondary-color);
    line-height: 1.4;
}

/* Form Styles */
.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--dark-color);
    font-size: 1rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 1rem;
    font-family: 'Montserrat', sans-serif;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(233, 30, 99, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group input[type="radio"],
.form-group input[type="checkbox"] {
    width: auto;
    margin-right: 10px;
}

.form-group .radio-group,
.form-group .checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.form-group .radio-option,
.form-group .checkbox-option {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    background: #f8f9fa;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.form-group .radio-option:hover,
.form-group .checkbox-option:hover {
    background: linear-gradient(135deg, #f8f4fc 0%, #e8f7fd 100%);
    border-color: var(--secondary-color);
}

.form-group .radio-option input:checked + label,
.form-group .checkbox-option input:checked + label {
    font-weight: 600;
    color: var(--secondary-color);
}

.form-group .radio-option label,
.form-group .checkbox-option label {
    cursor: pointer;
    user-select: none;
    flex: 1;
    margin: 0;
}

.form-group select {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 1rem;
    font-family: 'Montserrat', sans-serif;
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(233, 30, 99, 0.1);
}

/* Validation Errors */
.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #ff4444;
    background: #fff5f5;
}

.form-group input.error:focus,
.form-group select.error:focus,
.form-group textarea.error:focus {
    border-color: #ff4444;
    box-shadow: 0 0 0 4px rgba(255, 68, 68, 0.1);
}

/* Form Navigation */
.form-navigation {
    display: flex;
    gap: 15px;
    margin-top: 30px;
    justify-content: space-between;
}

.nav-btn {
    padding: 12px 30px;
    border: 2px solid var(--secondary-color);
    background: white;
    color: var(--secondary-color);
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-btn:hover {
    background: var(--soft-gradient);
    color: white;
    border-color: transparent;
}

.next-btn,
.submit-btn {
    margin-left: auto;
}

.submit-btn {
    width: 100%;
    background: var(--diamond-gradient);
    color: white;
    border: none;
    padding: 18px;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 700;
    font-family: montserrat;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Success Message */
.success-message {
    text-align: center;
    padding: 40px 20px;
}

.success-icon {
    font-size: 5rem;
    margin-bottom: 20px;
    animation: scaleIn 0.5s ease;
}

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

.success-message h3 {
    font-size: 2rem;
    color: var(--success-color);
    margin-bottom: 15px;
}

.success-message p {
    font-size: 1.2rem;
    color: #666;
}

/* Video Modal */
.video-modal-content {
    max-width: 900px;
}

.video-intro {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 30px;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

.video-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

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

.video-thumbnail-link {
    display: block;
    position: relative;
    text-decoration: none;
}

.video-thumbnail {
    position: relative;
    width: 100%;
    height: 180px;
    overflow: hidden;
    background: var(--soft-gradient);
}

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.video-card:hover .video-thumbnail img {
    transform: scale(1.05);
}

.play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.3);
    transition: background 0.3s ease;
}

.video-card:hover .play-overlay {
    background: rgba(0, 0, 0, 0.5);
}

.play-button {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--secondary-color);
    transition: all 0.3s ease;
    padding-left: 5px;
}

.video-card:hover .play-button {
    transform: scale(1.1);
    background: white;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.video-info {
    padding: 20px;
}

.video-info h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--dark-color);
    font-weight: 600;
    line-height: 1.4;
}

.video-description {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 12px;
    line-height: 1.4;
}

.video-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    display: inline-flex;
    align-items: center;
}

.video-link:hover {
    color: var(--primary-color);
}

.no-videos-message {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    background: linear-gradient(135deg, #f8f4fc 0%, #e8f7fd 100%);
    border-radius: 20px;
}

.no-videos-message p {
    font-size: 1.2rem;
    color: var(--dark-color);
    margin-bottom: 10px;
}

.no-videos-message p:first-child {
    font-size: 1.5rem;
    font-weight: 600;
}

/* Loading Spinner */
.loading-spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

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

/* Responsive Styles */
@media (max-width: 1024px) {
    .nav-menu {
        gap: 2px;
    }
    
    .nav-menu a {
        padding: 10px 15px;
        font-size: 0.85rem;
    }
}

@media (max-width: 768px) {
    :root {
        --nav-height: 70px;
    }
    
    .nav-container {
        padding: 0 20px;
    }
    
    .logo-text {
        font-size: 1.4rem;
    }
    
    .close-modal {
        top: 10px;
        right: 10px;
        font-size: 1.5rem;
        width: 35px;
        height: 35px;
    }
    
    .container {
        padding: 20px 15px;
    }
    
    #main-screen {
        padding-top: 20px;
    }
    
    .header-section {
        margin-bottom: 30px;
    }
    
    .flowchart {
        margin-top: 30px;
    }
    
    .flow-level {
        margin-bottom: 30px;
    }
    
    .nav-menu {
        position: fixed;
        top: var(--nav-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--nav-height));
        background: var(--elegant-gradient);
        flex-direction: column;
        padding: 30px;
        gap: 0;
        transition: left 0.3s ease;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid rgba(233, 204, 250, 0.2);
    }
    
    .nav-menu a {
        padding: 20px;
        font-size: 1.1rem;
        width: 100%;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        top: 21px;
        transform: rotate(45deg);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
        transform: scale(0);
    }
    
    .nav-toggle.active span:nth-child(3) {
        top: 21px;
        transform: rotate(-45deg);
    }
    
    .main-title {
        font-size: 2rem;
        margin-bottom: 10px;
        line-height: 1.2;
    }
    
    .main-subtitle {
        font-size: 1.1rem;
        line-height: 1.4;
    }
    
    .service-content {
        padding: 30px 25px;
    }
    
    .service-header h1 {
        font-size: 1.8rem;
    }
    
    .subtitle {
        font-size: 1.1rem;
    }
    
    .modal-content {
        padding: 30px 20px;
        width: 95%;
    }
    
    .modal-content h2 {
        font-size: 1.5rem;
        line-height: 1.3;
        padding-right: 40px;
    }
    
    .step-title {
        font-size: 1.3rem;
        line-height: 1.4;
    }
    
    .brief-modal {
        padding: 50px 20px 30px 20px;
    }
    
    .flow-node {
        min-width: 140px;
        padding: 15px 20px;
    }
    
    .node-icon {
        font-size: 2rem;
        margin-bottom: 8px;
    }
    
    .node-text {
        font-size: 0.9rem;
        line-height: 1.2;
    }
    
    .service-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .service-image {
        height: 180px;
    }
    
    .service-card-content {
        padding: 15px;
    }
    
    .service-card h3 {
        font-size: 1.1rem;
        margin-bottom: 6px;
    }
    
    .service-card p {
        font-size: 0.85rem;
    }
    
    .consultation-types,
    .refrigeration-types,
    .advertising-types,
    .ecommerce-types,
    .shop-types {
        grid-template-columns: 1fr;
    }
    
    .ecom-card {
        padding: 25px 20px;
    }
    
    .ecom-icon {
        font-size: 2.5rem;
    }
    
    .ecom-card h4 {
        font-size: 1.05rem;
    }
    
    .price-tag {
        font-size: 0.85rem;
        padding: 6px 15px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 15px 10px;
    }
    
    #main-screen {
        padding-top: 15px;
    }
    
    .header-section {
        margin-bottom: 25px;
    }
    
    .main-title {
        font-size: 1.8rem;
        margin-bottom: 8px;
    }
    
    .main-subtitle {
        font-size: 1rem;
    }
    
    .flowchart {
        margin-top: 25px;
    }
    
    .flow-level {
        margin-bottom: 25px;
    }
    
    .flow-arrow {
        font-size: 1.5rem;
        transform: rotate(90deg);
    }
    
    .level-1 {
        flex-direction: column;
    }
    
    .service-grid {
        gap: 15px;
    }
    
    .video-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .video-thumbnail {
        height: 200px;
    }
    
    .play-button {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
}

/* Scroll reveal animation - works on all devices */
.service-grid .service-card {
    opacity: 0;
    transform: translate3d(0, 150px, 0);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: opacity, transform;
}

.service-grid .service-card.reveal {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

/* Staggered delays for smooth sequential appearance */
.service-grid .service-card:nth-child(1).reveal {
    transition-delay: 0s;
}

.service-grid .service-card:nth-child(2).reveal {
    transition-delay: 0.1s;
}

.service-grid .service-card:nth-child(3).reveal {
    transition-delay: 0.2s;
}

.service-grid .service-card:nth-child(4).reveal {
    transition-delay: 0.3s;
}

.service-grid .service-card:nth-child(5).reveal {
    transition-delay: 0.4s;
}

.service-grid .service-card:nth-child(6).reveal {
    transition-delay: 0.5s;
}

/* Prevent animation on click/touch */
.service-card:active,
.service-card.clicked {
    transform: translate3d(0, 0, 0) !important;
    opacity: 1 !important;
    transition: none !important;
}

/* Testimonial cards reveal animation */
.testimonials-grid .testimonial-card {
    opacity: 0;
    transform: translate3d(0, 150px, 0);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: opacity, transform;
}

.testimonials-grid .testimonial-card.reveal {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

/* Staggered delays for testimonial cards */
.testimonials-grid .testimonial-card:nth-child(1).reveal {
    transition-delay: 0s;
}

.testimonials-grid .testimonial-card:nth-child(2).reveal {
    transition-delay: 0.1s;
}

.testimonials-grid .testimonial-card:nth-child(3).reveal {
    transition-delay: 0.2s;
}

.testimonials-grid .testimonial-card:nth-child(4).reveal {
    transition-delay: 0.3s;
}

.testimonials-grid .testimonial-card:nth-child(5).reveal {
    transition-delay: 0.4s;
}

.testimonials-grid .testimonial-card:nth-child(6).reveal {
    transition-delay: 0.5s;
}

.animate-slide-up {
    animation: slideUp 0.4s ease;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--gradient);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #c2185b 0%, #7b1fa2 100%);
}

/* Testimonials Section */
.testimonials-section {
    background: linear-gradient(135deg, #ffffff 0%, #ffeef8 100%);
    padding: 60px 0;
    margin-top: 40px;
}

.testimonials-header-main {
    text-align: center;
    margin-bottom: 40px;
}

.testimonials-header-main h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 15px;
    background: var(--diamond-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.testimonials-header-main p {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.testimonial-card {
    background: white;
    border-radius: 20px;
    padding: 25px;
    box-shadow: var(--shadow);
    border: 2px solid rgba(233, 204, 250, 0.3);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.testimonial-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(233, 204, 250, 0.4);
    border-color: var(--primary-color);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--diamond-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(233, 204, 250, 0.4);
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}

.testimonial-author strong {
    font-size: 1.1rem;
    color: var(--dark-color);
    font-weight: 600;
    margin-bottom: 4px;
    line-height: 1.2;
}

.testimonial-author span {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.3;
}

.testimonial-rating {
    font-size: 1rem;
    margin-bottom: 12px;
    line-height: 1;
}

.testimonial-text {
    font-size: 1rem;
    color: #555;
    line-height: 1.6;
    margin: 0;
    flex: 1;
}

/* Sticky CTA Button */
.sticky-cta-container {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 999;
    padding: 15px 20px;
    background: linear-gradient(to top, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.95) 70%, transparent 100%);
    backdrop-filter: blur(10px);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    pointer-events: none;
}

.sticky-cta-button {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    display: block;
    background: var(--diamond-gradient);
    color: white;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    text-align: center;
    text-decoration: none;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    border: none;
    padding: 18px 40px;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-hover);
    pointer-events: auto;
    position: relative;
    z-index: 1000;
}

.sticky-cta-button:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 50px rgba(233, 204, 250, 0.5);
    background: var(--soft-gradient);
}

.sticky-cta-button:active {
    transform: translateY(-1px) scale(0.98);
}

@media (max-width: 768px) {
    .testimonials-section {
        padding: 40px 0;
        margin-top: 30px;
    }
    
    .testimonials-header-main h2 {
        font-size: 1.8rem;
    }
    
    .testimonials-header-main p {
        font-size: 1rem;
        padding: 0 20px;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 15px;
    }
    
    .testimonial-card {
        padding: 20px;
    }
    
    .sticky-cta-container {
        padding: 12px 15px;
    }
    
    .sticky-cta-button {
        font-size: 1rem;
        padding: 16px 30px;
        max-width: 100%;
    }
    
    body {
        padding-bottom: 80px;
    }
}

@media (max-width: 480px) {
    .testimonials-section {
        padding: 30px 0;
        margin-top: 20px;
    }
    
    .testimonials-header-main h2 {
        font-size: 1.5rem;
        margin-bottom: 10px;
    }
    
    .testimonials-header-main p {
        font-size: 0.9rem;
    }
    
    .testimonials-grid {
        gap: 15px;
        padding: 0 10px;
    }
    
    .testimonial-card {
        padding: 18px;
    }
    
    .testimonial-avatar {
        width: 45px;
        height: 45px;
        font-size: 0.9rem;
    }
    
    .testimonial-author strong {
        font-size: 1rem;
    }
    
    .testimonial-author span {
        font-size: 0.85rem;
    }
    
    .testimonial-rating {
        font-size: 0.9rem;
        margin-bottom: 10px;
    }
    
    .testimonial-text {
        font-size: 0.9rem;
    }
    
    .sticky-cta-container {
        padding: 10px 12px;
    }
    
    .sticky-cta-button {
        font-size: 0.95rem;
        padding: 14px 25px;
    }
    
    body {
        padding-bottom: 75px;
    }
}