/* NILA OTC Website Styles */
@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@300;400;600&family=Outfit:wght@300;400;500;600&display=swap');
@import 'brand-variables.css';

/* CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--brand-text);
    background: var(--brand-secondary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Layout System - Mobile First */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    width: 100%;
}

/* Main content wrapper */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Header Styles - Mobile First with MindWave DAO Branding */
.header {
    background: var(--brand-black);
    color: var(--brand-primary);
    padding: var(--spacing-xs) 0;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--brand-border);
}

/* Removed backdrop filter for cleaner look */

.header-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
    align-items: center;
    justify-items: center;
}

.header-logo {
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-link {
    display: inline-block;
    transition: all 0.3s ease;
    border-radius: var(--border-radius-sm);
    padding: 2px;
}

.logo-link:hover {
    transform: translateY(-2px);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.logo-link:focus {
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 4px;
}

.mindwave-logo {
    max-width: 140px;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(var(--shadow-light));
    transition: filter 0.3s ease;
}

.header-nav {
    width: 100%;
}

.nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.nav-item {
    margin: 0;
}

.nav-link {
    color: var(--brand-primary);
    text-decoration: none;
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: var(--font-weight-normal);
    padding: 4px var(--spacing-xs);
    border-radius: var(--border-radius-sm);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transition: left 0.3s ease;
}

.nav-link:hover {
    background: var(--brand-overlay);
    transform: translateY(-1px);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.nav-link:hover::before {
    left: 0;
}

.nav-link:focus {
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}





/* Hero Section - Mobile First */
.hero {
    padding: var(--spacing-lg) 0;
    background: var(--brand-secondary);
    text-align: center;
    border-bottom: 1px solid var(--brand-border);
    position: relative;
    overflow: hidden;
    min-height: 50vh;
    display: flex;
    align-items: center;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(227, 59, 78, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(140, 117, 255, 0.15) 0%, transparent 50%),
        linear-gradient(135deg, rgba(140, 117, 255, 0.05) 0%, rgba(227, 59, 78, 0.05) 100%);
    backdrop-filter: blur(1px);
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px, 80px 80px;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    background: var(--brand-overlay);
    border: 1px solid var(--brand-border);
    border-radius: var(--border-radius-full);
    padding: var(--spacing-xs) var(--spacing-md);
    backdrop-filter: blur(10px);
    margin-bottom: var(--spacing-sm);
}

.badge-text {
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: var(--font-weight-semibold);
    color: var(--brand-accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-title {
    font-family: var(--font-primary);
    font-size: clamp(1.8rem, 5vw, 3.5rem);
    font-weight: var(--font-weight-semibold);
    color: var(--brand-primary);
    margin: 0;
    line-height: 1.1;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-light-gray) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-family: var(--font-body);
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    color: var(--brand-light-gray);
    line-height: 1.6;
    margin: 0;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-sm);
    margin: var(--spacing-sm) 0;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    background: var(--brand-card-bg);
    border: 1px solid var(--brand-border);
    border-radius: var(--border-radius-md);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-2px);
    border-color: var(--brand-accent);
    box-shadow: var(--shadow-medium);
}

.feature-icon {
    font-size: 1.5rem;
    filter: grayscale(0.3);
}

.feature-text {
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: var(--font-weight-normal);
    color: var(--brand-primary);
    text-align: center;
}



.hero-cta {
    margin-top: var(--spacing-sm);
}

.cta-text {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--brand-text);
    margin: 0;
    opacity: 0.8;
}

/* Contact Section - Mobile First Grid Layout */
.contact {
    padding: var(--spacing-lg) 0;
    background: var(--brand-secondary);
}

/* Enhanced interaction animations */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(4);
        opacity: 0;
    }
}

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

.contact-title {
    text-align: center;
    font-family: var(--font-primary);
    font-size: var(--font-size-h2);
    font-weight: var(--font-weight-light);
    margin-bottom: var(--spacing-sm);
    color: var(--brand-primary);
}

.contact-description {
    text-align: center;
    font-family: var(--font-body);
    font-size: var(--font-size-body);
    margin-bottom: var(--spacing-xl);
    color: var(--brand-text);
}

.contact-methods {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    max-width: 600px;
    margin: 0 auto;
}

.contact-btn {
    background: var(--brand-card-bg);
    border: 1px solid var(--brand-border);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: var(--spacing-sm);
    min-height: 80px;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.contact-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    pointer-events: none;
}

.contact-btn:hover {
    border-color: var(--brand-accent);
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-medium);
    background: var(--brand-overlay);
}

.contact-btn:hover::before {
    width: 300px;
    height: 300px;
}

.contact-btn:focus {
    outline: none;
    border-color: var(--brand-accent);
    box-shadow: 0 0 0 3px rgba(140, 117, 255, 0.3);
    transform: translateY(-2px);
}

.contact-btn:active {
    transform: translateY(-1px) scale(0.98);
    transition: all 0.1s ease;
}

.contact-btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.contact-btn.clicked {
    animation: pulse 0.4s ease-out;
}

/* Email button specific styles */
.email-btn:hover {
    border-color: #4CAF50;
    box-shadow: 0 8px 25px rgba(76, 175, 80, 0.2);
}

.email-btn:hover .btn-icon {
    color: #4CAF50;
    text-shadow: 0 0 10px rgba(76, 175, 80, 0.5);
}

.email-btn:focus {
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.3);
}

.email-btn:hover::before {
    background: rgba(76, 175, 80, 0.1);
}

/* WhatsApp button specific styles */
.whatsapp-btn:hover {
    border-color: #25D366;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.2);
}

.whatsapp-btn:hover .btn-icon {
    color: #25D366;
    text-shadow: 0 0 10px rgba(37, 211, 102, 0.5);
}

.whatsapp-btn:focus {
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.3);
}

.whatsapp-btn:hover::before {
    background: rgba(37, 211, 102, 0.1);
}

/* Telegram button specific styles */
.telegram-btn:hover {
    border-color: #0088CC;
    box-shadow: 0 8px 25px rgba(0, 136, 204, 0.2);
}

.telegram-btn:hover .btn-icon {
    color: #0088CC;
    text-shadow: 0 0 10px rgba(0, 136, 204, 0.5);
}

.telegram-btn:focus {
    box-shadow: 0 0 0 3px rgba(0, 136, 204, 0.3);
}

.telegram-btn:hover::before {
    background: rgba(0, 136, 204, 0.1);
}

/* Web Form button specific styles */
.form-btn:hover {
    border-color: var(--brand-accent);
    box-shadow: 0 8px 25px rgba(140, 117, 255, 0.2);
}

.form-btn:hover .btn-icon {
    color: var(--brand-accent);
    text-shadow: 0 0 10px rgba(140, 117, 255, 0.5);
}

.form-btn:focus {
    box-shadow: 0 0 0 3px rgba(140, 117, 255, 0.3);
}

.form-btn:hover::before {
    background: rgba(140, 117, 255, 0.1);
}

.btn-icon {
    font-size: 1.5rem;
    color: var(--brand-accent);
    justify-self: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
}

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

.contact-btn.loading .btn-icon {
    animation: loading-spin 1s linear infinite;
}

.contact-btn:active .btn-icon {
    transform: scale(0.9);
}

.btn-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease;
}

.contact-btn:hover .btn-content {
    transform: translateX(2px);
}

.btn-text {
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    color: var(--brand-primary);
    margin: 0;
    transition: color 0.3s ease;
}

.btn-detail {
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--brand-text);
    margin: 0;
    transition: color 0.3s ease;
}

.contact-btn:hover .btn-text {
    color: var(--brand-primary);
}

.contact-btn:hover .btn-detail {
    color: var(--brand-light-gray);
}

/* Footer */
.footer {
    background: var(--brand-charcoal);
    color: var(--brand-primary);
    padding: var(--spacing-md) 0;
    text-align: center;
    border-top: 1px solid var(--brand-border);
    margin-top: auto;
}

.footer-text {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--brand-text);
    margin: 0;
}

/* Popup Styles - Mobile First */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(4, 0, 8, 0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(5px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.popup-overlay.show {
    opacity: 1;
}

.popup-form {
    background: var(--brand-secondary);
    border: 1px solid var(--brand-border);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    max-width: 500px;
    width: calc(100% - var(--spacing-md) * 2);
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-heavy);
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s ease;
}

.popup-overlay.show .popup-form {
    transform: scale(1) translateY(0);
}

.popup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--brand-border);
}

.popup-header h3 {
    margin: 0;
    font-family: var(--font-primary);
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-normal);
    color: var(--brand-primary);
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--brand-text);
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
    transition: all 0.3s ease;
}

.close-btn:hover {
    color: var(--brand-primary);
    background: var(--brand-overlay);
}

/* Form Styles - Mobile First */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-primary);
    font-weight: var(--font-weight-normal);
    color: var(--brand-primary);
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--brand-border);
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    font-family: var(--font-body);
    background: var(--brand-card-bg);
    color: var(--brand-primary);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--brand-accent);
    box-shadow: 0 0 0 2px rgba(140, 117, 255, 0.2);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--brand-text);
}

.radio-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.radio-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--border-radius-sm);
    transition: background-color 0.3s ease;
}

.radio-label:hover {
    background: var(--brand-overlay);
}

.radio-label input[type="radio"] {
    width: auto;
    margin: 0;
}

.radio-label span {
    font-family: var(--font-body);
    color: var(--brand-primary);
    font-size: 0.9rem;
}

.form-note {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--brand-text);
    font-size: 0.8rem;
    font-family: var(--font-body);
}

.form-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.btn-cancel,
.btn-submit,
.btn-close {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    font-family: var(--font-primary);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-cancel {
    background: var(--brand-card-bg);
    color: var(--brand-text);
    border: 1px solid var(--brand-border);
}

.btn-cancel:hover {
    background: var(--brand-overlay);
    color: var(--brand-primary);
}

.btn-submit,
.btn-close {
    background: var(--brand-gradient);
    color: var(--brand-primary);
    border: none;
}

.btn-submit:hover,
.btn-close:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

.confirmation-message {
    text-align: center;
    padding: var(--spacing-lg);
}

.confirmation-message h3 {
    color: var(--brand-accent);
    font-family: var(--font-primary);
    font-size: var(--font-size-h3);
    margin-bottom: var(--spacing-sm);
}

.confirmation-message p {
    margin-bottom: var(--spacing-lg);
    color: var(--brand-text);
    font-family: var(--font-body);
}

/* Responsive Design - Mobile First Approach */

/* Tablet Breakpoint - 768px and up */
@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .header {
        padding: var(--spacing-lg) 0;
    }
    
    .header-content {
        grid-template-columns: auto 1fr auto;
        text-align: left;
        gap: var(--spacing-lg);
        justify-items: start;
    }
    
    .header-logo {
        justify-content: flex-start;
    }
    
    .mindwave-logo {
        max-width: 250px;
    }
    
    .header-nav {
        width: auto;
        justify-self: center;
    }
    
    .nav-menu {
        gap: var(--spacing-lg);
    }
    
    .nav-link {
        font-size: 1rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .header-cta {
        justify-self: end;
    }
    
    .nila-badge {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .nila-icon {
        width: 28px;
        height: 28px;
    }
    
    .badge-text {
        font-size: 0.85rem;
    }
    
    .hero {
        min-height: 60vh;
    }
    
    .hero-features {
        grid-template-columns: repeat(3, 1fr);
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
    

    
    .contact-methods {
        grid-template-columns: repeat(2, 1fr);
        max-width: 800px;
    }
    
    .contact-btn {
        grid-template-columns: auto 1fr;
        text-align: left;
        padding: var(--spacing-lg);
    }
    
    .btn-icon {
        font-size: 2rem;
    }
    
    .popup-form {
        width: 90%;
        max-width: 500px;
        padding: var(--spacing-lg);
    }
    
    .form-actions {
        grid-template-columns: auto auto;
        justify-content: flex-end;
    }
    
    .radio-group {
        grid-template-columns: auto auto;
        justify-content: flex-start;
    }
}

/* Desktop Breakpoint - 1024px and up */
@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
    
    .header {
        padding: var(--spacing-xl) 0;
    }
    
    .header-content {
        grid-template-columns: auto 1fr auto;
        gap: calc(var(--spacing-lg) * 1.5);
    }
    
    .mindwave-logo {
        max-width: 300px;
    }
    
    .nav-menu {
        gap: calc(var(--spacing-lg) * 1.5);
    }
    
    .nav-link {
        font-size: 1.1rem;
        padding: var(--spacing-sm) var(--spacing-lg);
    }
    
    .nila-badge {
        padding: var(--spacing-sm) var(--spacing-lg);
    }
    
    .nila-icon {
        width: 32px;
        height: 32px;
    }
    
    .badge-text {
        font-size: 0.9rem;
    }
    
    .hero {
        padding: calc(var(--spacing-xl) * 2) 0;
        min-height: 80vh;
    }
    
    .hero-content {
        gap: calc(var(--spacing-lg) * 1.5);
    }
    
    .hero-features {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-lg);
        max-width: 600px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .feature-item {
        padding: var(--spacing-md);
    }
    
    .feature-icon {
        font-size: 2rem;
    }
    
    .feature-text {
        font-size: 1rem;
    }
    
    .minimum-notice {
        padding: var(--spacing-lg) calc(var(--spacing-lg) * 1.5);
    }
    
    .notice-icon {
        font-size: 2rem;
    }
    
    .notice-title {
        font-size: 1rem;
    }
    
    .notice-amount {
        font-size: 1.8rem;
    }
    
    .contact {
        padding: calc(var(--spacing-xl) * 1.5) 0;
    }
    
    .contact-methods {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
        max-width: 900px;
    }
    
    .contact-btn {
        min-height: 100px;
    }
}

/* Large Desktop Breakpoint - 1300px and up */
@media (min-width: 1300px) {
    .contact-methods {
        grid-template-columns: repeat(4, 1fr);
        max-width: 1200px;
    }
    
    .contact-btn {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .btn-content {
        align-items: center;
    }
}

/* High DPI / Retina Display Support */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .nila-icon {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Mobile Specific Adjustments */
@media (max-width: 767px) {
    .hero {
        min-height: 60vh;
        padding: var(--spacing-xl) 0;
    }
    
    .hero-features {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .feature-item {
        flex-direction: row;
        justify-content: flex-start;
        text-align: left;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .feature-icon {
        font-size: 1.2rem;
    }
    
    .feature-text {
        font-size: 0.85rem;
    }
    
    .minimum-notice {
        padding: var(--spacing-sm) var(--spacing-md);
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-xs);
    }
    
    .notice-content {
        align-items: center;
    }
    
    .notice-title {
        font-size: 0.8rem;
    }
    
    .notice-amount {
        font-size: 1.3rem;
    }
    
    .hero-badge {
        margin-bottom: var(--spacing-xs);
    }
    
    .badge-text {
        font-size: 0.75rem;
    }
    
    .header {
        padding: var(--spacing-sm) 0;
    }
    
    .header-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .mindwave-logo {
        max-width: 180px;
    }
    
    .nav-menu {
        gap: var(--spacing-sm);
        justify-content: center;
    }
    
    .nav-link {
        font-size: 0.85rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .nila-badge {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .nila-icon {
        width: 20px;
        height: 20px;
    }
    
    .badge-text {
        font-size: 0.7rem;
    }
}

/* Keyboard Navigation Support */
.contact-btn:focus-visible {
    outline: 2px solid var(--brand-accent);
    outline-offset: 2px;
    border-color: var(--brand-accent);
}

.contact-btn[tabindex="0"]:focus {
    transform: translateY(-2px);
}

/* Loading state styles */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
    display: none;
    align-items: center;
    justify-content: center;
    border-radius: inherit;
    backdrop-filter: blur(2px);
}

.loading-overlay.show {
    display: flex;
}

.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--brand-border);
    border-top: 2px solid var(--brand-accent);
    border-radius: 50%;
    animation: loading-spin 1s linear infinite;
}

/* Success feedback animation */
@keyframes success-check {
    0% {
        transform: scale(0) rotate(45deg);
        opacity: 0;
    }
    50% {
        transform: scale(1.2) rotate(45deg);
        opacity: 1;
    }
    100% {
        transform: scale(1) rotate(45deg);
        opacity: 1;
    }
}

.success-check {
    display: inline-block;
    width: 20px;
    height: 20px;
    border-right: 3px solid #4CAF50;
    border-bottom: 3px solid #4CAF50;
    transform: rotate(45deg);
    animation: success-check 0.6s ease-out;
}

/* Enhanced focus styles for accessibility */
*:focus-visible {
    outline: 2px solid var(--brand-accent);
    outline-offset: 2px;
}

/* Skip link for screen readers */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--brand-secondary);
    color: var(--brand-primary);
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 1001;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 6px;
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    .minimum-notice::before {
        animation: none;
    }
    
    .contact-btn:hover {
        transform: none;
    }
    
    .contact-btn:hover .btn-icon {
        transform: none;
    }
}

/* Dark Mode Support (if system preference) */
@media (prefers-color-scheme: light) {
    :root {
        --brand-card-bg: rgba(255, 255, 255, 0.05);
        --brand-overlay: rgba(255, 255, 255, 0.1);
    }
}/* Error H
andling and Fallback Styles */

/* Custom Alert Styles */
.custom-alert {
    position: fixed;
    top: 20px;
    right: 20px;
    max-width: 400px;
    background: var(--brand-secondary);
    border: 1px solid var(--brand-border);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-heavy);
    z-index: 2000;
    animation: slideInRight 0.3s ease-out;
}

.custom-alert.success {
    border-color: #4CAF50;
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.1), var(--brand-secondary));
}

.custom-alert.error {
    border-color: #f44336;
    background: linear-gradient(135deg, rgba(244, 67, 54, 0.1), var(--brand-secondary));
}

.alert-content {
    padding: var(--spacing-md);
}

.alert-content h4 {
    margin: 0 0 var(--spacing-xs) 0;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    color: var(--brand-primary);
}

.alert-content p {
    margin: 0 0 var(--spacing-sm) 0;
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--brand-text);
    line-height: 1.4;
}

.alert-close {
    background: var(--brand-accent);
    color: var(--brand-primary);
    border: none;
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all 0.3s ease;
}

.alert-close:hover {
    background: var(--brand-gradient-end);
    transform: translateY(-1px);
}

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

/* Fallback Modal Styles */
.fallback-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(4, 0, 8, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease-out;
}

.fallback-content {
    background: var(--brand-secondary);
    border: 1px solid var(--brand-border);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    max-width: 400px;
    width: calc(100% - var(--spacing-md) * 2);
    box-shadow: var(--shadow-heavy);
    animation: scaleIn 0.3s ease-out;
}

.fallback-content h3 {
    margin: 0 0 var(--spacing-sm) 0;
    font-family: var(--font-primary);
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-semibold);
    color: var(--brand-primary);
    text-align: center;
}

.fallback-content p {
    margin: 0 0 var(--spacing-md) 0;
    font-family: var(--font-body);
    color: var(--brand-text);
    text-align: center;
}

.fallback-options {
    display: grid;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.fallback-btn {
    background: var(--brand-card-bg);
    border: 1px solid var(--brand-border);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: var(--font-weight-normal);
    color: var(--brand-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.fallback-btn:hover {
    background: var(--brand-overlay);
    border-color: var(--brand-accent);
    transform: translateY(-1px);
}

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

.fallback-close {
    background: var(--brand-charcoal);
    border: 1px solid var(--brand-border);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    color: var(--brand-text);
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.fallback-close:hover {
    background: var(--brand-overlay);
    color: var(--brand-primary);
}

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

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

/* Form Error Styles */
.form-errors {
    background: linear-gradient(135deg, rgba(244, 67, 54, 0.1), var(--brand-card-bg));
    border: 1px solid #f44336;
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-md);
    animation: slideDown 0.3s ease-out;
}

.form-errors h4 {
    margin: 0 0 var(--spacing-xs) 0;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: var(--font-weight-semibold);
    color: #f44336;
}

.form-errors ul {
    margin: 0;
    padding-left: var(--spacing-md);
    list-style-type: none;
}

.form-errors li {
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--brand-text);
    margin-bottom: var(--spacing-xs);
    position: relative;
}

.form-errors li:before {
    content: '⚠';
    position: absolute;
    left: -var(--spacing-md);
    color: #f44336;
}

@keyframes slideDown {
    from {
        transform: translateY(-10px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Form Field Error States */
.form-group input.error,
.form-group textarea.error {
    border-color: #f44336;
    background: rgba(244, 67, 54, 0.05);
}

.form-group input.error:focus,
.form-group textarea.error:focus {
    box-shadow: 0 0 0 2px rgba(244, 67, 54, 0.2);
}

.field-error {
    color: #f44336;
    font-size: 0.8rem;
    font-family: var(--font-body);
    margin-top: var(--spacing-xs);
    display: block;
}

/* Loading States for Form */
.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-submit:disabled:hover {
    transform: none;
    box-shadow: none;
}

/* Enhanced Contact Button Error States */
.contact-btn.error {
    border-color: #f44336;
    background: rgba(244, 67, 54, 0.05);
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Graceful Degradation Styles */
.no-js .popup-overlay {
    display: none !important;
}

.no-js .contact-btn {
    display: block;
    text-decoration: none;
    color: inherit;
}

.no-js .form-btn {
    display: none;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .custom-alert {
        border-width: 2px;
    }
    
    .custom-alert.error {
        border-color: #ff0000;
        background: #000000;
        color: #ffffff;
    }
    
    .custom-alert.success {
        border-color: #00ff00;
        background: #000000;
        color: #ffffff;
    }
    
    .fallback-modal {
        background: rgba(0, 0, 0, 0.9);
    }
    
    .fallback-content {
        border-width: 2px;
        background: #000000;
        color: #ffffff;
    }
    
    .form-errors {
        border-width: 2px;
        background: #000000;
        color: #ffffff;
    }
}

/* Responsive Design - Tablet and Desktop */
@media (min-width: 768px) {
    .header {
        padding: var(--spacing-sm) 0;
    }
    
    .header-content {
        grid-template-columns: auto 1fr;
        text-align: left;
        gap: var(--spacing-md);
        justify-items: start;
    }
    
    .header-logo {
        justify-content: flex-start;
    }
    
    .mindwave-logo {
        max-width: 180px;
    }
    
    .header-nav {
        width: auto;
        justify-self: center;
    }
    
    .nav-menu {
        gap: var(--spacing-md);
    }
    
    .nav-link {
        font-size: 0.9rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
}

@media (min-width: 1024px) {
    .header {
        padding: var(--spacing-md) 0;
    }
    
    .header-content {
        gap: var(--spacing-lg);
    }
    
    .mindwave-logo {
        max-width: 200px;
    }
    
    .nav-menu {
        gap: var(--spacing-lg);
    }
    
    .nav-link {
        font-size: 1rem;
        padding: var(--spacing-xs) var(--spacing-md);
    }
}

/* Mobile Specific Adjustments */
@media (max-width: 767px) {
    .header {
        padding: 8px 0;
    }
    
    .header-content {
        grid-template-columns: 1fr;
        gap: 6px;
        text-align: center;
    }
    
    .mindwave-logo {
        max-width: 120px;
    }
    
    .nav-menu {
        gap: var(--spacing-xs);
        justify-content: center;
    }
    
    .nav-link {
        font-size: 0.8rem;
        padding: 3px 8px;
    }
}

/* Mobile Specific Error Handling */
@media (max-width: 767px) {
    .custom-alert {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
    }
    
    .fallback-content {
        padding: var(--spacing-md);
        margin: var(--spacing-sm);
        width: calc(100% - var(--spacing-sm) * 2);
    }
    
    .fallback-options {
        gap: var(--spacing-xs);
    }
    
    .fallback-btn {
        padding: var(--spacing-sm);
        font-size: 0.85rem;
    }
    
    .form-errors {
        padding: var(--spacing-sm);
        margin-bottom: var(--spacing-sm);
    }
    
    .form-errors h4 {
        font-size: 0.85rem;
    }
    
    .form-errors li {
        font-size: 0.8rem;
    }
}

/* Print Styles - Hide Error Elements */
@media print {
    .custom-alert,
    .fallback-modal,
    .form-errors,
    .loading-overlay {
        display: none !important;
    }
}