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

:root {
    /* Typography Scale */
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-lg: 1.125rem;   /* 18px */
    --font-size-xl: 1.25rem;    /* 20px */
    --font-size-2xl: 1.5rem;    /* 24px */
    --font-size-3xl: 1.875rem;  /* 30px */
    --font-size-4xl: 2.25rem;   /* 36px */
    --font-size-5xl: 3rem;      /* 48px */
    --font-size-6xl: 3.75rem;   /* 60px */
    
    /* Spacing Scale */
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;   /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-5: 1.25rem;   /* 20px */
    --space-6: 1.5rem;    /* 24px */
    --space-8: 2rem;      /* 32px */
    --space-10: 2.5rem;   /* 40px */
    --space-12: 3rem;     /* 48px */
    --space-16: 4rem;     /* 64px */
    --space-20: 5rem;     /* 80px */
    --space-24: 6rem;     /* 96px */
    --space-28: 7rem;     /* 112px */
    
    /* Colors */
    --color-primary: #216bc3;
    --color-primary-dark: #1a5aa3;
    --color-primary-light: #4a90e2;
    --color-secondary: #1a69aa;
    --color-text-primary: #1a1a1a;
    --color-text-secondary: #4a5568;
    --color-text-muted: #718096;
    --color-background: #ffffff;
    --color-surface: #f7fafc;
    --color-border: #e2e8f0;
    --color-border-light: rgba(33, 107, 195, 0.2);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
}

html, body {
    height: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-background);
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography Utilities */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Large Desktop Layout (1400px+) - Side-by-side with image */
@media (min-width: 1400px) {
    .waitlist-container {
        height: 100vh;
        position: relative;
        display: flex;
        align-items: center;
        justify-content: flex-start;
        padding: 0;
        overflow: hidden;
    }

    .background-image {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        object-fit: cover;
        object-position: -40% center;
        z-index: 1;
        /* Prevent image from changing size during scroll */
        transform: translateZ(0);
        will-change: auto;
    }

    .overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: linear-gradient(90deg, rgba(255,255,255,0) 55%, rgba(227,242,253,0.15) 100%);
        z-index: 2;
    }

    .waitlist-content {
        position: relative;
        z-index: 3;
        width: clamp(720px, 46vw, 820px); /* stabilize card width on large desktops */
        height: 100vh;
        background: var(--color-background);
        padding: var(--space-20);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        border-radius: 0 var(--radius-2xl) var(--radius-2xl) 0;
        filter: drop-shadow(0 10px 40px rgba(0,0,0,0.08));
    }
}

/* Desktop Layout (1200px-1399px) - Slightly wider content area */
@media (min-width: 1200px) and (max-width: 1399px) {
    .waitlist-container {
        height: 100vh;
        position: relative;
        display: flex;
        align-items: center;
        justify-content: flex-start;
        padding: 0;
        overflow: hidden;
    }

    .background-image {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        object-fit: cover;
        object-position: -10% center;
        z-index: 1;
        /* Prevent image from changing size during scroll */
        transform: translateZ(0);
        will-change: auto;
    }

    .overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: linear-gradient(90deg, rgba(255,255,255,0) 60%, rgba(227,242,253,0.2) 100%);
        z-index: 2;
    }

    .waitlist-content {
        position: relative;
        z-index: 3;
        width: clamp(680px, 52vw, 760px); /* smooth scaling to avoid ~1202px jump */
        height: 100vh;
        background: var(--color-background);
        padding: var(--space-18);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        border-radius: 0 var(--radius-2xl) var(--radius-2xl) 0;
        filter: drop-shadow(0 10px 40px rgba(0,0,0,0.08));
        margin-left: var(--space-6);
    }
}


.waitlist-text {
    padding: 0;
    width: 100%;
    max-width: 640px;
    animation: fadeInUp 1s ease-out 0.2s both;
}

/* Logo Styles */
.logo {
    display: flex;
    align-items: center;
    margin-bottom: var(--space-12);
    margin-top: 0;
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

.logo-image {
    height: clamp(130px, 14vh, 160px);
    width: auto;
    transition: transform var(--transition-normal);
    position: relative;
    top: 35px; /* nudge logo down without affecting layout of other elements */
}

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

/* Main Heading */
.main-heading {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-bottom: var(--space-8);
    animation: fadeInUp 0.8s ease forwards;
}

.heading-line {
    font-size: clamp(1.8rem, 3.2vw + 0.3rem, 2.6rem);
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.15;
    letter-spacing: -0.02em;
    white-space: normal;
}

.heading-highlight {
    font-size: clamp(1.9rem, 3.2vw + 0.4rem, 2.6rem);
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1.15;
    letter-spacing: -0.03em;
    display: inline-block;
    padding-bottom: 0.04em;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: normal;
}

/* Description Text */
.description {
    font-size: var(--font-size-lg);
    font-weight: 500;
    line-height: 1.6;
    margin-bottom: var(--space-8);
    color: var(--color-text-secondary);
    letter-spacing: 0.01em;
    max-width: 520px;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.2s;
    opacity: 0;
}

/* Learn More Link */
.learn-more-link {
    margin-bottom: var(--space-8);
    position: relative;
}

.learn-more-btn-text {
    background: none;
    border: none;
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    text-decoration: underline;
    text-underline-offset: 4px;
    padding: var(--space-2) 0;
    line-height: 1.6;
    letter-spacing: 0.01em;
}

.learn-more-btn-text:hover {
    color: var(--color-primary-dark);
    transform: translateX(4px);
}

.learn-more-btn-text i {
    font-size: var(--font-size-sm);
    transition: transform var(--transition-normal);
}

.learn-more-btn-text:hover i {
    transform: translateX(4px);
}

/* Form Styles */
.waitlist-form {
    margin-top: var(--space-8);
    margin-bottom: var(--space-10);
    padding: var(--space-10);
    background: var(--color-surface);
    border: 1px solid rgba(33, 107, 195, 0.4);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    max-width: 560px;
    position: relative;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.4s;
    opacity: 0;
    /* Ensure proper form containment */
    overflow: visible;
}

.waitlist-form .divider {
    display: none;
}

/* Form Title Row */
.form-title-row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding-bottom: var(--space-2);
    margin-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border);
}

.form-title-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(33, 107, 195, 0.1);
    color: var(--color-primary);
    font-size: var(--font-size-lg);
}

.form-title {
    margin: 0;
    font-size: var(--font-size-xl);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--color-primary);
}

.user-type-selection {
    margin-bottom: var(--space-6);
}

.user-type-label {
    display: block;
    text-transform: uppercase;
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-text-muted);
    margin-bottom: var(--space-1);
    line-height: 1.2;
    letter-spacing: 0.08em;
}

/* Custom Dropdown Styles */
.custom-dropdown {
    width: 100%;
    max-width: 520px;
    position: relative;
}

.custom-dropdown-toggle {
    width: 100%;
    padding: var(--space-4) var(--space-5);
    border: 1px solid rgba(33, 107, 195, 0.35);
    border-radius: var(--radius-lg);
    background: var(--color-background);
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    margin-bottom: 0;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
}

.custom-dropdown-toggle:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.custom-dropdown-toggle:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(33, 107, 195, 0.1), var(--shadow-md);
}

.custom-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-background);
    border: 1px solid rgba(33, 107, 195, 0.35);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    margin: 0;
    padding: 0;
    list-style: none;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
}

.custom-dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-option {
    padding: var(--space-3) var(--space-4);
    cursor: pointer;
    transition: background-color var(--transition-fast);
    border-bottom: 1px solid rgba(33, 107, 195, 0.1);
}

.dropdown-option:last-child {
    border-bottom: none;
}

.dropdown-option:hover {
    background-color: rgba(33, 107, 195, 0.05);
}

.dropdown-option.selected {
    background-color: rgba(33, 107, 195, 0.1);
    color: var(--color-primary);
    font-weight: 600;
}

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

.dropdown-text.selected {
    color: var(--color-primary);
    font-weight: 600;
}

.user-type-dropdown:invalid {
    color: var(--color-text-muted);
}

.user-type-dropdown:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(33, 107, 195, 0.1), var(--shadow-md);
}

.user-type-dropdown option {
    background: var(--color-background);
    color: var(--color-primary);
    padding: var(--space-2);
}







.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    max-width: 520px;
    align-items: stretch;
}

.form-group input {
    flex: 1;
    padding: var(--space-4) var(--space-5);
    border: 1px solid rgba(33, 107, 195, 0.35);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    background: var(--color-background);
    color: var(--color-text-primary);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.form-group input:focus {
    outline: none;
    background: var(--color-background);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(33, 107, 195, 0.1), var(--shadow-md);
}

.form-group input::placeholder {
    color: var(--color-text-muted);
}

.submit-btn {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    border: none;
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    white-space: nowrap;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    min-width: 160px;
    width: 100%;
    justify-content: center;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.submit-btn:hover::before {
    left: 100%;
}

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

.submit-btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-md);
}

.submit-btn i {
    transition: transform var(--transition-normal);
}

.submit-btn:hover i {
    transform: translateX(4px);
}



/* Tablet Layout (481px-1199px) - Background image with white card overlay */
@media (min-width: 481px) and (max-width: 1199px) {
    .waitlist-container {
        min-height: 100vh;
        position: relative;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: var(--space-6);
        background: transparent;
        /* Allow scrolling when content overflows */
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .background-image {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        object-fit: cover;
        object-position: center center;
        z-index: 1;
        opacity: 0.3;
        /* Prevent image from changing size during scroll */
        transform: translateZ(0);
        will-change: auto;
    }

    .overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: linear-gradient(135deg, rgba(255,255,255,0.8) 0%, rgba(248,250,252,0.9) 100%);
        z-index: 2;
    }

    .waitlist-content {
        position: relative;
        z-index: 3;
        width: 100%;
        max-width: clamp(400px, 90vw, 600px);
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        padding: clamp(var(--space-8), 4vw, var(--space-16));
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        border-radius: var(--radius-xl);
        box-shadow: 0 20px 40px rgba(0,0,0,0.15);
        text-align: center;
        border: 1px solid rgba(255, 255, 255, 0.2);
        /* Ensure content doesn't shift during scroll */
        margin: var(--space-4) 0;
    }
    
    /* Responsive adjustments for larger tablets */
    @media (min-width: 769px) {
        .waitlist-content {
            align-items: flex-start;
            text-align: left;
            margin-left: var(--space-4);
        }
    }
    
    /* Specific adjustments for 784px-1199px range to prevent cutoff */
    @media (min-width: 784px) and (max-width: 1199px) {
        .waitlist-container {
            min-height: 100vh;
            height: auto;
            justify-content: flex-start;
            padding: var(--space-4);
            padding-top: var(--space-6);
            padding-bottom: var(--space-8);
        }
        
        .waitlist-content {
            margin: 0;
            max-height: calc(100vh - var(--space-12));
            overflow-y: auto;
            padding: var(--space-6);
        }
    }
}

/* Desktop-specific improvements */
@media (min-width: 769px) {
    .user-type-selection {
        margin-bottom: var(--space-8);
    }
    

    
    .form-group {
        gap: var(--space-5);
    }
    
    .helper-text {
        margin-bottom: var(--space-8);
    }
    
    
    
    .learn-more-link {
        margin-bottom: var(--space-8);
        position: relative;
    }
    
    .learn-more-btn-text {
        background: none;
        border: none;
        color: var(--color-primary);
        font-size: var(--font-size-lg);
        font-weight: 600;
        cursor: pointer;
        transition: all var(--transition-normal);
        display: inline-flex;
        align-items: center;
        gap: var(--space-2);
        text-decoration: underline;
        text-underline-offset: 4px;
        padding: var(--space-2) 0;
        line-height: 1.6;
        letter-spacing: 0.01em;
    }
    
    .learn-more-btn-text:hover {
        color: var(--color-primary-dark);
        transform: translateX(4px);
    }
    
    .learn-more-btn-text i {
        font-size: var(--font-size-sm);
        transition: transform var(--transition-normal);
    }
    
    .learn-more-btn-text:hover i {
        transform: translateX(4px);
    }
}

/* Loading State for Submit Button */
.submit-btn.loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.submit-btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    z-index: 1;
}

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

/* Modal Styles - Complete Redo */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    background-color: var(--color-background);
    margin: 5% auto;
    padding: 0;
    border-radius: var(--radius-2xl);
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease-out;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-8) var(--space-10) var(--space-5);
    border-bottom: 1px solid var(--color-border);
}

.modal-logo {
    height: 120px;
    width: auto;
    margin: 0;
}

.close-btn {
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    color: var(--color-text-muted);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: 50%;
    transition: all var(--transition-normal);
}

.close-btn:hover {
    background: var(--color-surface);
    color: var(--color-text-primary);
}

.modal-body {
    padding: var(--space-8) var(--space-10) var(--space-10);
}

/* Modal Tab Styles */
.modal-tabs {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-8);
    border-bottom: 1px solid var(--color-border);
}

.tab-btn {
    background: none;
    border: none;
    padding: var(--space-4) var(--space-6);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-normal);
    border-bottom: 3px solid transparent;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.tab-btn:hover {
    color: var(--color-primary);
    background-color: rgba(33, 107, 195, 0.05);
}

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    background-color: rgba(33, 107, 195, 0.1);
}

.tab-btn i {
    font-size: var(--font-size-lg);
}

/* Modal Content Sections */
.user-sections {
    margin-bottom: var(--space-8);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease-out;
}

.section-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

.section-header i {
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
    width: 40px;
    text-align: center;
}

.section-header h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 0;
}

.section-content h4 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
}

/* Steps Styling */
.patient-steps,
.student-steps {
    margin-bottom: var(--space-8);
}

.step-item {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
    align-items: flex-start;
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

.step-content h5 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
    margin-top: 0;
}

.step-content p {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Benefits Lists */
.patient-benefits,
.student-benefits {
    margin-bottom: var(--space-8);
}

.patient-benefits h4,
.student-benefits h4 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
}

.patient-benefits ul,
.student-benefits ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.patient-benefits li,
.student-benefits li {
    padding: var(--space-3) 0;
    border-bottom: 1px solid rgba(33, 107, 195, 0.1);
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.patient-benefits li:last-child,
.student-benefits li:last-child {
    border-bottom: none;
}

.patient-benefits strong,
.student-benefits strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

/* Safety Section */
.safety-section {
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border);
}

.safety-section h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
}

.safety-section p {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Platform Overview */
.platform-overview {
    margin-bottom: var(--space-8);
}

.platform-overview h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
}

.platform-overview p {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0;
    font-size: var(--font-size-lg);
}

/* Success Page Styles */
.success-content {
    position: relative;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100svh;
    height: auto;
    padding: clamp(32px, 6vh, 72px);
}

.success-card {
    background: var(--color-background);
    padding: var(--space-16) var(--space-10);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    text-align: center;
    max-width: 500px;
    width: 100%;
    color: var(--color-primary);
}

.success-icon {
    margin-bottom: var(--space-8);
}

.success-logo {
    height: 140px;
    width: auto;
}

.success-card h1 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--space-5);
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.success-message {
    font-size: var(--font-size-lg);
    line-height: 1.6;
    margin-bottom: var(--space-10);
    color: var(--color-text-secondary);
    letter-spacing: 0.01em;
}

.success-actions {
    margin-bottom: var(--space-10);
}

.back-btn {
    background: var(--color-primary);
    color: white;
    border: none;
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

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

/* Removed trust badges */

/* Mobile Layout (up to 480px) - Background image with white card overlay */
@media (max-width: 480px) {
    /* Prevent mobile browser address bar from affecting layout */
    html {
        height: 100%;
        height: -webkit-fill-available;
    }
    
    body { 
        overflow-y: auto; 
        /* Prevent viewport changes from affecting layout */
        height: 100%;
        height: -webkit-fill-available;
        width: 100%;
        /* Prevent zoom on input focus */
        touch-action: manipulation;
    }
    
    .waitlist-container {
        min-height: 100vh;
        min-height: -webkit-fill-available;
        padding: var(--space-4);
        background: transparent;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        /* Allow scrolling when content overflows */
        position: relative;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        /* Ensure stable layout */
        transform: translateZ(0);
        will-change: auto;
    }

    .background-image {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        object-fit: cover;
        object-position: center center;
        z-index: 1;
        opacity: 0.4;
        /* Prevent image from changing size during scroll */
        transform: translateZ(0);
        will-change: auto;
    }

    .overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: linear-gradient(135deg, rgba(255,255,255,0.85) 0%, rgba(248,250,252,0.9) 100%);
        z-index: 2;
    }

    .waitlist-content {
        position: relative;
        z-index: 3;
        width: 100%;
        max-width: 90vw;
        height: auto;
        min-height: auto;
        padding: var(--space-6);
        border-radius: var(--radius-xl);
        box-shadow: 0 20px 40px rgba(0,0,0,0.15);
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        text-align: center;
        /* Ensure content doesn't shift during scroll */
        margin: var(--space-4) 0;
        border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .trust-badges { 
        justify-content: center; 
        gap: var(--space-2); 
        margin-bottom: var(--space-6); 
    }
    
    .trust-badges .badge { 
        font-size: var(--font-size-xs); 
        padding: 5px 9px; 
    }
    
    .logo-image { 
        height: 110px; 
    }

    .main-heading { 
        margin-bottom: var(--space-6); 
    }
    
    .heading-line { 
        font-size: clamp(1.6rem, 2.2vw + 0.2rem, 2.2rem);
        white-space: normal;
        letter-spacing: -0.012em;
    }
    
    .heading-highlight {
        font-size: clamp(1.7rem, 2.3vw + 0.2rem, 2.3rem);
        white-space: normal;
        letter-spacing: -0.02em;
    }
    
    .description {
        font-size: var(--font-size-base);
        line-height: 1.65;
    }

    .waitlist-form {
        width: 100%;
        max-width: 600px;
        padding: var(--space-8);
        box-shadow: var(--shadow-lg);
        border-radius: var(--radius-xl);
        margin-top: var(--space-6);
    }

    .form-group { 
        gap: var(--space-4); 
    }
    
    .custom-dropdown-toggle,
    .form-group input {
        font-size: var(--font-size-base);
        padding: var(--space-4) var(--space-5);
    }
}

/* Mobile Modal Enhancements */
@media (max-width: 768px) {
    .modal-content {
        margin: 10% auto;
        width: 95%;
        max-height: 85vh;
    }
    
    .modal-header {
        padding: var(--space-5) var(--space-6) var(--space-4);
    }
    
    .modal-body {
        padding: var(--space-5) var(--space-6) var(--space-8);
    }
    
    .modal-logo {
        height: 80px;
    }
    
    .modal-tabs {
        flex-direction: column;
        gap: var(--space-1);
    }
    
    .tab-btn {
        padding: var(--space-3) var(--space-4);
        font-size: var(--font-size-sm);
        justify-content: center;
    }
    
    .section-header {
        flex-direction: column;
        text-align: center;
        gap: var(--space-3);
    }
    
    .section-header i {
        font-size: var(--font-size-xl);
        width: auto;
    }
    
    .step-item {
        flex-direction: column;
        text-align: center;
        gap: var(--space-3);
    }
    
    .step-number {
        margin: 0 auto;
    }
    
    .platform-overview h3 {
        font-size: var(--font-size-xl);
        text-align: center;
    }
    
    .safety-section h3 {
        text-align: center;
    }
    
    .tab-content {
        padding: var(--space-4) 0;
    }
    
    .section-content h4 {
        font-size: var(--font-size-lg);
        text-align: center;
    }
    
    .patient-benefits h4,
    .student-benefits h4 {
        text-align: center;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* New minimal coming-soon layout */
.landing {
    position: relative;
    min-height: 100vh;
    display: grid;
    grid-template-rows: auto 1fr;
    place-items: center;
    padding: var(--space-10) var(--space-6);
    overflow: hidden;
}

.landing::before { content: none; }

/* Responsive raster background */
.landing {
    background-image: url('./background.png');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

/* Mobile - Remove background image and use gradient */
@media (max-width: 768px) {
    .landing { 
        background: linear-gradient(135deg, 
            rgba(33, 107, 195, 0.1) 0%, 
            rgba(33, 107, 195, 0.05) 25%,
            rgba(255, 255, 255, 0.9) 50%,
            rgba(255, 255, 255, 0.95) 100%
        );
        background-attachment: scroll;
        position: relative;
    }
    
    /* Clean mobile design - no floating elements */
}

/* Removed float animation - no longer needed */

/* Mobile floating elements are now handled above */

/* Use fixed attachment only on large screens */
@media (min-width: 1024px) {
    .landing { background-attachment: fixed; }
}

.brand { 
    z-index: 2; 
}

.brand-logo { 
    height: clamp(100px, 14vw, 140px); 
}

.hero { 
    z-index: 2; 
    text-align: center; 
    max-width: 720px; 
}

.hero-title {
    font-size: clamp(28px, 5vw, 48px);
    font-weight: 800;
    color: #0a2c63;
    letter-spacing: 0.02em;
    line-height: 1.1;
}

.hero-subtitle {
    margin-top: var(--space-3);
    margin-bottom: var(--space-8);
    color: var(--color-text-secondary);
    font-size: clamp(14px, 2.2vw, 18px);
}

.signup {
    display: grid;
    gap: clamp(10px, 2vw, 16px);
    width: min(560px, 92vw);
}

/* Role Selection */
.role-selection {
    margin-bottom: var(--space-2);
}

.role-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: var(--space-3);
    text-align: center;
}

.role-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.role-btn {
    background: var(--color-surface);
    border: 2px solid rgba(33, 107, 195, 0.4);
    color: var(--color-text-secondary);
    padding: var(--space-3) var(--space-2);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
    min-height: 60px;
    justify-content: center;
    position: relative;
}

.role-btn:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(33, 107, 195, 0.2);
    color: var(--color-primary);
}

.role-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(33, 107, 195, 0.05);
    transform: translateY(-1px);
}

.role-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(33, 107, 195, 0.3);
}

.role-btn i {
    font-size: var(--font-size-lg);
}

.role-btn span {
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.signup input {
    width: 100%;
    padding: var(--space-4) var(--space-5);
    border: 2px solid rgba(33, 107, 195, 0.6);
    border-radius: 12px;
    font-size: 1rem;
    outline: none;
    min-height: 44px;
    transition: border var(--transition-normal), box-shadow var(--transition-normal);
}

.signup input:focus {
    border-color: #1f6bd3;
    box-shadow: 0 0 0 4px rgba(33,107,195,0.15);
    outline: none;
}

/* Removed :invalid styles - only show errors after submission attempt */

.signup input.error {
    border-color: #e53e3e;
    box-shadow: 0 0 0 2px rgba(229, 62, 62, 0.1);
}

.signup input.error:focus {
    border-color: #e53e3e;
    box-shadow: 0 0 0 4px rgba(229, 62, 62, 0.15);
}

.cta {
    background: linear-gradient(135deg, #1f6bd3 0%, #0d4da6 100%);
    color: #fff;
    border: none;
    padding: var(--space-4) var(--space-6);
    border-radius: 999px;
    font-weight: 800;
    letter-spacing: 0.04em;
    cursor: pointer;
    box-shadow: 0 12px 24px rgba(31,107,211,0.25);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    min-height: 48px;
}

.cta:hover { 
    transform: translateY(-2px); 
    box-shadow: 0 16px 28px rgba(31,107,211,0.32); 
}

.cta:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(33, 107, 195, 0.3);
}

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

.cta:disabled:hover {
    transform: none;
    box-shadow: 0 12px 24px rgba(31,107,211,0.25);
}

/* About Link */
.about-link {
    margin-top: var(--space-6);
    text-align: center;
}

.about-btn {
    background: none;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    padding: var(--space-3) var(--space-5);
    border-radius: 999px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    text-decoration: none;
}

.about-btn:hover {
    border-color: var(--color-primary-dark);
    color: var(--color-primary-dark);
    background: rgba(33, 107, 195, 0.05);
    transform: translateY(-1px);
}

.about-btn:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(33, 107, 195, 0.1);
}

/* Contact Footer */
.contact-footer {
    margin-top: var(--space-8);
    padding: var(--space-4) 0;
    text-align: center;
    border-top: 1px solid rgba(33, 107, 195, 0.1);
}

.contact-info p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin: 0;
}

.contact-email {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-normal);
}

.contact-email:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.contact-email:focus {
    outline: none;
    text-decoration: underline;
    box-shadow: 0 0 0 2px rgba(33, 107, 195, 0.2);
    border-radius: 2px;
}

/* About Modal Styles */
.about-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-6);
    text-align: center;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-intro {
    font-size: var(--font-size-lg);
    line-height: 1.6;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
    text-align: center;
}

/* Tab Navigation */
.about-tabs {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-8);
    justify-content: center;
}

.tab-btn {
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    color: var(--color-text-secondary);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    min-width: 140px;
    justify-content: center;
}

.tab-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(33, 107, 195, 0.05);
}

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

.tab-btn:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(33, 107, 195, 0.2);
}

.tab-btn i {
    font-size: var(--font-size-lg);
}

/* Tab Content */
.tab-content {
    display: none;
    margin-bottom: var(--space-8);
}

.tab-content.active {
    display: block;
}

/* Benefit Grid */
.benefit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.benefit-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.benefit-card:hover::before {
    transform: scaleX(1);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-4);
    color: white;
    font-size: var(--font-size-xl);
}

.benefit-card h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-3);
}

.benefit-card p {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0;
    font-size: var(--font-size-sm);
}

/* Safety Section */
.about-safety {
    margin-top: var(--space-8);
    padding-top: var(--space-8);
    border-top: 2px solid var(--color-border);
}

.safety-card {
    background: linear-gradient(135deg, rgba(33, 107, 195, 0.05), rgba(33, 107, 195, 0.1));
    border: 1px solid rgba(33, 107, 195, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    display: flex;
    align-items: flex-start;
    gap: var(--space-6);
}

.safety-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-2xl);
    flex-shrink: 0;
}

.safety-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
}

.safety-content p {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0;
    font-size: var(--font-size-base);
}

/* Mobile About Modal */
@media (max-width: 768px) {
    .about-tabs {
        flex-direction: column;
        gap: var(--space-3);
    }
    
    .tab-btn {
        min-width: auto;
        width: 100%;
    }
    
    .benefit-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .benefit-card {
        padding: var(--space-5);
    }
    
    .benefit-icon {
        width: 50px;
        height: 50px;
        font-size: var(--font-size-lg);
    }
    
    .safety-card {
        flex-direction: column;
        text-align: center;
        padding: var(--space-6);
    }
    
    .safety-icon {
        width: 60px;
        height: 60px;
        font-size: var(--font-size-xl);
        margin: 0 auto;
    }
}

/* Mobile Role Selection - Keep horizontal layout */
@media (max-width: 480px) {
    .role-buttons {
        grid-template-columns: repeat(2, 1fr); /* Keep 2 columns on mobile */
        gap: var(--space-2);
    }
    
    .role-btn {
        flex-direction: column; /* Keep vertical layout in buttons */
        justify-content: center;
        text-align: center;
        padding: var(--space-3) var(--space-2);
        min-height: 56px; /* Improved touch target */
    }
    
    .role-btn i {
        font-size: var(--font-size-lg);
        margin-right: 0; /* Remove margin since it's vertical */
        margin-bottom: var(--space-1);
    }
    
    .role-btn span {
        font-size: var(--font-size-xs); /* Smaller text to fit better */
    }
}

/* Improve mobile typography */
@media (max-width: 480px) {
    .hero-title {
        font-size: clamp(24px, 6vw, 36px); /* Better mobile scaling */
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: clamp(16px, 4vw, 20px); /* Better mobile scaling */
        line-height: 1.4;
    }
    
    .role-label {
        font-size: var(--font-size-base); /* Larger on mobile */
    }
    
    .contact-footer {
        margin-top: var(--space-6);
        padding: var(--space-3) 0;
    }
    
    .contact-info p {
        font-size: var(--font-size-xs);
    }
}

/* Remove circles styles (background now image) */