:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #111827;
    --border-color: #e5e7eb;
    --shadow: 0 0.25rem 0.375rem -0.0625rem rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 0.625rem 0.9375rem -0.1875rem rgba(0, 0, 0, 0.1);
    --border-radius: 0.5rem;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --max-width: 75rem;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(0.625rem);
    border-bottom: 0.0625rem solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

    .nav-logo {
        max-heighx: 10vh;
	max-width:30vw;
    }

    .cus-logo {
        height: 3rem;
    }

.partner-logo {
    height: 1.5rem;
    width: auto;
    max-width: 7.5rem;
}

.nav-brand h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.025em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -0.25rem;
    left: 0;
    width: 0;
    height: 0.125rem;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 1.5625rem;
    height: 0.1875rem;
    background-color: var(--text-primary);
    margin: 0.1875rem 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    text-align: center;
}

.hero-logo {
    margin-bottom: 2rem;
}

.soundboard-logo {
    height: 5rem;
    width: auto;
    max-width: 25rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    line-height: 1.1;
    letter-spacing: -0.025em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 37.5rem;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: 0.125rem solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Section Styles */
section {
    padding: 4rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

.section-logo {
    height: 3.5rem;
    width: auto;
    display: block;
    margin: 0 auto 3rem;
}

/* About Section */
.about {
    background-color: var(--bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.feature {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-logo {
    margin-bottom: 1rem;
    text-align: center;
}

.feature-logo-img {
    height: 2.5rem;
    width: auto;
    max-width: 12.5rem;
}

.feature-partner {
    margin-top: 1rem;
    text-align: center;
}

.partner-logos {
    display: flex;
    justify-content: center;
    margin: 1rem 0;
}

.feature h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.feature p {
    color: var(--text-secondary);
}

/* Goals Section */
.goals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(17.5rem, 1fr));
    gap: 2rem;
}

.goal-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.goal-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.goal-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.goal-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.goal-card p {
    color: var(--text-secondary);
}

/* Modality Section */
.modality {
    background-color: var(--bg-secondary);
}

.modality-content {
    max-width: 62.5rem;
    margin: 0 auto;
}

.modality-content > p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    text-align: center;
}

/* Imaging Showcase */
.imaging-showcase {
    margin: 3rem 0;
}

.imaging-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(18.75rem, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.imaging-item {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
}

.imaging-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.imaging-photo {
    width: 100%;
    height: 12.5rem;
    object-fit: cover;
    background: var(--bg-primary);
}

.imaging-item h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 1rem 1.5rem 0.5rem;
    color: var(--primary-color);
}

.imaging-item p {
    margin: 0 1.5rem 1.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.modality-list {
    list-style: none;
    margin-bottom: 3rem;
}

.modality-list li {
    padding: 1rem 0;
    border-bottom: 0.0625rem solid var(--border-color);
    color: var(--text-secondary);
    position: relative;
    padding-left: 2rem;
}

.modality-list li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 600;
}

.modality-cta {
    text-align: center;
}

.modality-cta p {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

/* SoundBoard Section */
.soundboard-section {
    background: var(--bg-secondary);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(15.625rem, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.soundboard-feature {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.soundboard-feature:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.soundboard-feature h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.demo-request-cta {
    text-align: center;
    background: white;
    padding: 3rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.demo-request-cta p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.btn-large {
    padding: 1rem 3rem;
    font-size: 1.1rem;
}

/* Hablas Section */
.hablas-section {
    background: var(--bg-secondary);
}

.hablas-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hablas-logo {
    text-align: center;
}

.hablas-logo-img {
    height: 5rem;
    width: auto;
    max-width: 12.5rem;
}

.hablas-description p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* Demo Request Section */
.demo-request-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
}

.demo-request-section .section-title {
    color: white;
}

.demo-form-container {
    max-width: 37.5rem;
    margin: 0 auto;
    background: white;
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    color: var(--text-primary);
}

.demo-form-container p {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.demo-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem 1rem;
    border: 0.125rem solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: var(--font-family);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.1875rem rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 6.25rem;
}

.demo-form button {
    margin-top: 1rem;
    align-self: center;
}

/* Chat Section */
.chat-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
}

.chat-section .section-title {
    color: white;
}

.chat-container {
    max-width: 37.5rem;
    margin: 0 auto;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.chat-header {
    background: var(--bg-dark);
    color: white;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.status-indicator {
    width: 0.625rem;
    height: 0.625rem;
    background-color: #ef4444;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

.chat-box {
    height: 25rem;
    overflow-y: auto;
    padding: 1.5rem;
    background: white;
}

.message {
    margin-bottom: 1rem;
}

.message-content {
    max-width: 80%;
    padding: 1rem 1.5rem;
    border-radius: 1rem;
    font-size: 0.95rem;
    line-height: 1.5;
}

.ai-message .message-content {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-bottom-left-radius: 0.25rem;
}

.user-message .message-content {
    background: var(--primary-color);
    color: white;
    margin-left: auto;
    border-bottom-right-radius: 0.25rem;
}

.chat-input {
    display: flex;
    padding: 1rem 1.5rem;
    border-top: 0.0625rem solid var(--border-color);
    background: white;
}

.chat-input input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 0.0625rem solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

.chat-input input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.1875rem rgba(37, 99, 235, 0.1);
}

.chat-input button {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    margin-left: 0.75rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.chat-input button:hover {
    background: var(--primary-hover);
}

/* Typing Indicator */
.typing-dots {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.typing-dots span {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background-color: #64748b;
    animation: typing 1.4s infinite ease-in-out;
}

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

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

@keyframes typing {
    0%, 60%, 100% { 
        transform: translateY(0); 
        opacity: 0.4; 
    }
    30% { 
        transform: translateY(-10px); 
        opacity: 1; 
    }
}

/* Notifications */
.notification {
    position: fixed;
    top: 1.25rem;
    right: 1.25rem;
    max-width: 25rem;
    z-index: 10000;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease-out;
}

.notification-success {
    background: #10b981;
    color: white;
}

.notification-error {
    background: #ef4444;
    color: white;
}

.notification-info {
    background: var(--primary-color);
    color: white;
}

.notification-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
}

.notification-close {
    background: none;
    border: none;
    color: inherit;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0;
    margin-left: 1rem;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.notification-close:hover {
    opacity: 1;
}

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

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 2rem 0;
    text-align: center;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-brand h1 {
        font-size: 1.25rem;
    }
    
    .nav-logo {
        height: 90%;
    }
    
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        height: 0;
        background: white;
        flex-direction: column;
        overflow: hidden;
        transition: var(--transition);
        box-shadow: var(--shadow);
    }

    .nav-menu.active {
        height: 18.75rem;
        top: 100%;
        padding: 2rem 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hablas-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .section-logo {
        height: 3rem;
    }

    .container {
        padding: 0 1rem;
    }

    section {
        padding: 3rem 0;
    }

    .hero {
        padding: 6rem 0 3rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .btn {
        padding: 0.5rem 1.5rem;
        font-size: 0.9rem;
    }

    .goal-card {
        padding: 2rem 1.5rem;
    }

    .feature {
        padding: 1.5rem;
    }

    .chat-input {
        padding: 0.75rem 1rem;
    }

    .chat-input input {
        padding: 0.5rem 0.75rem;
        font-size: 0.9rem;
    }

    .chat-input button {
        padding: 0.5rem 1rem;
    }
}