/* =================================
   Long Session - Light Healthcare Theme
   ================================= */

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

:root {
    /* Primary Colors */
    --primary-green: #10B981;
    --primary-green-dark: #059669;
    --primary-green-light: #D1FAE5;
    --primary-green-lighter: #ECFDF5;

    /* Secondary/Accent */
    --accent-blue: #3B82F6;
    --accent-blue-light: #DBEAFE;

    /* Backgrounds */
    --bg-white: #FFFFFF;
    --bg-light: #F9FAFB;
    --bg-cream: #FEFDFB;

    /* Text Colors */
    --text-primary: #111827;
    --text-secondary: #4B5563;
    --text-muted: #9CA3AF;

    /* Borders & Dividers */
    --border-light: #E5E7EB;
    --border-medium: #D1D5DB;

    /* Status Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;

    /* 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);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.2s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-white);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* =================================
   Typography
   ================================= */

h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    line-height: 1.3;
}

h1 { font-size: 3.5rem; font-weight: 800; }
h2 { font-size: 2.5rem; font-weight: 700; }
h3 { font-size: 1.5rem; font-weight: 600; }
h4 { font-size: 1.25rem; font-weight: 600; }

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

.text-center { text-align: center; }
.text-green { color: var(--primary-green); }
.text-muted { color: var(--text-muted); }

/* =================================
   Navigation
   ================================= */

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-text span {
    color: var(--primary-green);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: var(--primary-green);
}

.nav-cta {
    margin-left: var(--spacing-sm);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-base);
}

/* =================================
   Buttons
   ================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-family: var(--font-family);
}

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

.btn-primary:hover {
    background-color: var(--primary-green-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: var(--bg-white);
    color: var(--text-primary);
    border: 2px solid var(--border-medium);
}

.btn-secondary:hover {
    border-color: var(--primary-green);
    color: var(--primary-green);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-green);
    border: 2px solid var(--primary-green);
}

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
}

.btn-icon {
    width: 20px;
    height: 20px;
}

/* =================================
   Hero Section
   ================================= */

.hero {
    padding-top: calc(70px + var(--spacing-3xl));
    padding-bottom: var(--spacing-3xl);
    background-color: var(--bg-white);
}

.hero-content {
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: var(--primary-green-lighter);
    color: var(--primary-green-dark);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.hero-title .highlight {
    color: var(--primary-green);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.trust-badges {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.trust-badge svg {
    width: 20px;
    height: 20px;
    color: var(--primary-green);
}

/* =================================
   Section Common Styles
   ================================= */

section {
    padding: var(--spacing-3xl) 0;
}

.section-light {
    background-color: var(--bg-light);
}

.section-white {
    background-color: var(--bg-white);
}

.section-green {
    background-color: var(--primary-green-lighter);
}

.section-header {
    margin-bottom: var(--spacing-2xl);
}

.section-header.centered {
    text-align: center;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--primary-green-light);
    color: var(--primary-green-dark);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.section-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.7;
}

/* =================================
   Problem Section
   ================================= */

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.problem-card {
    padding: var(--spacing-xl);
    background-color: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    transition: var(--transition-base);
}

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

.problem-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #FEE2E2;
    color: #EF4444;
    border-radius: 12px;
    margin-bottom: var(--spacing-md);
}

.problem-icon svg {
    width: 24px;
    height: 24px;
}

.problem-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.problem-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.problem-stat {
    font-size: 0.9rem;
    color: var(--error);
    font-weight: 600;
}

/* =================================
   Solution Overview Section
   ================================= */

.solution-overview {
    text-align: center;
}

.solution-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-top: var(--spacing-xl);
}

.solution-step {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.25rem;
    background-color: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: 100px;
    font-weight: 500;
    font-size: 0.95rem;
}

.solution-step-number {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-green);
    color: white;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
}

.solution-arrow {
    color: var(--text-muted);
}

/* =================================
   Features Section (6 Deliverables)
   ================================= */

.features-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3xl);
}

.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.feature-row.reverse {
    direction: rtl;
}

.feature-row.reverse > * {
    direction: ltr;
}

.feature-content {
    max-width: 500px;
}

.feature-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--primary-green);
    color: white;
    border-radius: 50%;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
}

.feature-content h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.feature-content > p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.feature-points {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.feature-points li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.feature-points li svg {
    width: 20px;
    height: 20px;
    color: var(--primary-green);
    flex-shrink: 0;
    margin-top: 2px;
}

.feature-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-illustration {
    width: 100%;
    max-width: 450px;
    height: 320px;
    background-color: var(--bg-light);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-light);
}

.feature-illustration svg {
    width: 120px;
    height: 120px;
    color: var(--primary-green);
    opacity: 0.5;
}

/* =================================
   Guarantee Section
   ================================= */

.guarantee-section {
    background-color: var(--primary-green-lighter);
    border-top: 3px solid var(--primary-green);
}

.guarantee-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.guarantee-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-green);
    color: white;
    border-radius: 50%;
    margin: 0 auto var(--spacing-md);
}

.guarantee-icon svg {
    width: 32px;
    height: 32px;
}

.guarantee-content h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.guarantee-list {
    list-style: none;
    margin: var(--spacing-lg) 0;
    text-align: left;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.guarantee-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    font-size: 1.1rem;
    color: var(--text-primary);
    font-weight: 500;
}

.guarantee-list li svg {
    width: 24px;
    height: 24px;
    color: var(--primary-green);
    flex-shrink: 0;
}

.guarantee-subtext {
    font-size: 1.25rem;
    color: var(--text-primary);
    font-weight: 600;
    margin-top: var(--spacing-md);
}

/* =================================
   Results/Stats Section
   ================================= */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.stat-card {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: 16px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-green);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* =================================
   How It Works Section
   ================================= */

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.step-card {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    position: relative;
}

.step-number {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-green);
    color: white;
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto var(--spacing-md);
}

.step-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

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

/* =================================
   FAQ Section
   ================================= */

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.faq-item {
    padding: var(--spacing-lg);
    background-color: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    transition: var(--transition-base);
}

.faq-item:hover {
    border-color: var(--primary-green);
}

.faq-question {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.faq-answer {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* =================================
   CTA Section
   ================================= */

.cta-section {
    background: linear-gradient(135deg, var(--primary-green), var(--primary-green-dark));
    color: white;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    color: white;
}

.cta-content p {
    font-size: 1.15rem;
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.9);
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background-color: white;
    color: var(--primary-green-dark);
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition-base);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.cta-subtext {
    margin-top: var(--spacing-md);
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.cta-subtext span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* =================================
   Footer
   ================================= */

.footer {
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    background-color: var(--bg-light);
    border-top: 1px solid var(--border-light);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand .logo-text {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-top: var(--spacing-xs);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.footer-column h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
    font-size: 0.95rem;
}

.footer-column a:hover {
    color: var(--primary-green);
}

.footer-badges {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.footer-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background-color: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: 6px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.footer-badge svg {
    width: 16px;
    height: 16px;
    color: var(--primary-green);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-light);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* =================================
   Form Styles
   ================================= */

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background-color: var(--bg-white);
    border: 1px solid var(--border-medium);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: var(--font-family);
    transition: var(--transition-base);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px var(--primary-green-light);
}

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

.form-textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

/* =================================
   Responsive Design
   ================================= */

@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.75rem;
    }

    .feature-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .feature-row.reverse {
        direction: ltr;
    }

    .feature-visual {
        order: -1;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-3xl: 4rem;
        --spacing-2xl: 3rem;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--bg-white);
        flex-direction: column;
        padding: var(--spacing-lg);
        border-bottom: 1px solid var(--border-light);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-base);
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-cta {
        margin-left: 0;
        margin-top: var(--spacing-sm);
    }

    .hero-title {
        font-size: 2.25rem;
    }

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

    .hero-cta {
        flex-direction: column;
    }

    .trust-badges {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .problem-grid {
        grid-template-columns: 1fr;
    }

    .steps-grid {
        grid-template-columns: 1fr;
    }

    .faq-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }

    .solution-flow {
        flex-direction: column;
    }

    .solution-arrow {
        transform: rotate(90deg);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.875rem;
    }

    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .cta-content h2 {
        font-size: 1.875rem;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .cta-subtext {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* =================================
   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;
}

.hidden {
    display: none !important;
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mb-md { margin-bottom: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-lg { margin-bottom: var(--spacing-lg); }