/* MyMedSwitch Landing Page Styles */

/* CSS Variables for Brand Colors */
:root {
    /* Green palette */
    --primary-green: #059669;
    --light-green: #34d399;
    --dark-green: #047857;
    --green-50: #ecfdf5;
    --green-100: #d1fae5;
    --green-200: #a7f3d0;
    
    /* Gray palette */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* 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);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--gray-700);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--green-50) 100%);
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: var(--spacing-sm) 0;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.nav-logo-icon {
    color: var(--primary-green);
    font-size: 1.5rem;
}

.nav-logo-text {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--gray-800);
}

/* Hero Section */
.hero {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--green-50) 0%, var(--gray-50) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, var(--green-100) 0%, transparent 50%);
    opacity: 0.3;
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

@media (min-width: 1024px) {
    .hero .container {
        grid-template-columns: 2fr 1fr;
    }
}

.hero-content {
    text-align: center;
}

@media (min-width: 1024px) {
    .hero-content {
        text-align: left;
    }
}

.hero-headline {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--gray-900);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .hero-headline {
        font-size: 3rem;
    }
}

@media (min-width: 1024px) {
    .hero-headline {
        font-size: 3.5rem;
    }
}

.hero-sublines {
    margin-bottom: var(--spacing-xl);
}

.hero-subline {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subline-emphasis {
    font-weight: var(--font-weight-medium);
    color: var(--gray-700);
}

@media (min-width: 1024px) {
    .hero-subline {
        margin-left: 0;
        margin-right: 0;
        font-size: 1.25rem;
    }
}

.hero-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

@media (min-width: 1024px) {
    .hero-cta {
        align-items: flex-start;
    }
}

.cta-button {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--light-green) 100%);
    color: white;
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-xl);
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    box-shadow: var(--shadow-lg);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, var(--dark-green) 0%, var(--primary-green) 100%);
}

.cta-button:focus {
    outline: 2px solid var(--primary-green);
    outline-offset: 2px;
}

.cta-note {
    font-size: 0.875rem;
    color: var(--gray-500);
    font-style: italic;
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-icon-container {
    position: relative;
}

.hero-icon-background {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--green-100) 0%, var(--green-200) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: var(--shadow-xl);
}

.hero-icon {
    font-size: 4rem;
    color: var(--primary-green);
    z-index: 2;
}

.hero-icon-overlay {
    position: absolute;
    top: 20%;
    right: 20%;
    font-size: 2rem;
    color: var(--dark-green);
    z-index: 3;
}

/* Section Headers */
.section-header {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--gray-900);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.section-intro {
    font-size: 1.125rem;
    color: var(--gray-600);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.solution-intro {
    margin-bottom: var(--spacing-lg);
    font-weight: var(--font-weight-medium);
}

.solution-gap {
    height: calc(var(--spacing-lg) * 2);
}

.solution-disclaimer {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding: var(--spacing-md);
    background: var(--green-50);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-green);
}

.solution-disclaimer p {
    color: var(--gray-700);
    margin: 0;
    font-size: 1rem;
}

@media (min-width: 768px) {
    .section-header {
        font-size: 2.5rem;
    }
}

/* Problem Section */
.problem-section {
    padding: var(--spacing-3xl) 0;
    background: white;
}

.problem-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .problem-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-lg);
    }
}

.problem-card {
    text-align: center;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--gray-300);
}

.problem-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    color: white;
    font-size: 1.5rem;
}

.problem-title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-800);
    margin-bottom: var(--spacing-sm);
}

.problem-description {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Solution Section */
.solution-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--green-50) 0%, var(--gray-50) 100%);
}

.solution-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .solution-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-lg);
    }
}

.solution-card {
    text-align: center;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    background: white;
    border: 1px solid var(--green-200);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

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

.solution-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--light-green) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    color: white;
    font-size: 1.75rem;
}

.solution-title {
    font-size: 1.375rem;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-800);
    margin-bottom: var(--spacing-md);
}

.solution-description {
    color: var(--gray-600);
    line-height: 1.6;
}

/* How It Works Section */
.how-it-works-section {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.how-it-works-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .how-it-works-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-lg);
    }
}

.how-it-works-step {
    text-align: center;
    padding: var(--spacing-xl);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.how-it-works-step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--light-green) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin: 0 auto var(--spacing-md);
}

.step-title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-800);
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.step-description {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Waitlist Section */
.waitlist-section {
    padding: var(--spacing-3xl) 0;
    background: white;
}

.waitlist-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.waitlist-subtext {
    color: var(--gray-600);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
}

.waitlist-benefits {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-xl) 0;
    text-align: left;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--spacing-xl);
}

.waitlist-benefits li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--gray-700);
    font-size: 1rem;
}

.waitlist-benefits i {
    color: var(--primary-green);
    font-size: 0.875rem;
    flex-shrink: 0;
}

.waitlist-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    text-align: left;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-label {
    font-weight: var(--font-weight-medium);
    color: var(--gray-700);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-input {
    padding: var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--gray-50);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1);
    background: white;
}

.form-help {
    font-size: 0.75rem;
    color: var(--gray-500);
    font-style: italic;
}

/* Checkbox Styles */
.checkbox-group {
    margin: var(--spacing-sm) 0;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 0.875rem;
    line-height: 1.5;
}

.checkbox-input {
    display: none;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-sm);
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    flex-shrink: 0;
    margin-top: 2px;
}

.checkbox-input:checked + .checkbox-custom {
    background: var(--primary-green);
    border-color: var(--primary-green);
}

.checkbox-input:checked + .checkbox-custom::after {
    content: '✓';
    color: white;
    font-size: 0.75rem;
    font-weight: bold;
}

.checkbox-input:focus + .checkbox-custom {
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1);
}

.checkbox-text {
    color: var(--gray-700);
}

/* Submit Button */
.submit-button {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--light-green) 100%);
    color: white;
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-xl);
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    box-shadow: var(--shadow-lg);
    margin-top: var(--spacing-md);
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, var(--dark-green) 0%, var(--primary-green) 100%);
}

.submit-button:focus {
    outline: 2px solid var(--primary-green);
    outline-offset: 2px;
}

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

/* Success Message */
.success-message {
    display: none;
    background: var(--green-100);
    border: 1px solid var(--green-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    color: var(--dark-green);
    text-align: center;
}

.success-message.show {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.success-message i {
    font-size: 1.25rem;
    color: var(--primary-green);
}

/* Footer */
.footer {
    background: var(--gray-800);
    color: var(--gray-300);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    text-align: center;
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr 2fr;
        text-align: left;
        align-items: start;
    }
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

@media (min-width: 768px) {
    .footer-brand {
        align-items: flex-start;
    }
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.footer-logo-icon {
    color: var(--light-green);
    font-size: 1.5rem;
}

.footer-logo-text {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: white;
}

.footer-tagline {
    color: var(--gray-400);
    font-style: italic;
}

.footer-legal {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.disclaimer {
    font-size: 0.75rem;
    color: var(--gray-400);
    line-height: 1.6;
    padding: var(--spacing-md);
    background: var(--gray-700);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-green);
}

/* Utility Classes */
.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;
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* Loading State */
.loading {
    position: relative;
    color: transparent;
}

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

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Responsive Design Adjustments */
@media (max-width: 480px) {
    .hero-headline {
        font-size: 2rem;
    }
    
    .section-header {
        font-size: 1.75rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    .problem-section,
    .solution-section,
    .waitlist-section {
        padding: var(--spacing-2xl) 0;
    }
}

/* Accessibility Enhancements */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --primary-green: #047857;
        --light-green: #059669;
        --gray-600: #374151;
        --gray-700: #1f2937;
    }
}

/* Dark Mode Preparation */
@media (prefers-color-scheme: dark) {
    /* Future dark mode implementation can go here */
}