/* CSS Custom Properties - Apple-style Design System */
:root {
    /* Colors */
    --color-primary: #007AFF;
    --color-primary-hover: #0051D5;
    --color-secondary: #5856D6;
    --color-text: #1D1D1F;
    --color-text-light: #6E6E73;
    --color-bg: #FFFFFF;
    --color-bg-light: #F5F5F7;
    --color-bg-dark: #1D1D1F;
    --color-border: #D2D2D7;
    --color-success: #34C759;
    --color-warning: #FF9500;
    --color-error: #FF3B30;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size-base: 17px;
    --font-size-small: 14px;
    --font-size-large: 19px;
    --font-size-h1: 56px;
    --font-size-h2: 40px;
    --font-size-h3: 28px;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --line-height-base: 1.47059;
    --line-height-tight: 1.2;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 40px;
    --spacing-xl: 64px;
    --spacing-xxl: 80px;
    --spacing-section: 120px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.16);
    --shadow-card: 0 2px 20px rgba(0, 0, 0, 0.08);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Layout */
    --container-max-width: 1200px;
    --container-padding: 24px;
}

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

html {
    scroll-behavior: smooth;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: var(--color-text);
}

h1 {
    font-size: var(--font-size-h1);
    font-weight: var(--font-weight-bold);
}

h2 {
    font-size: var(--font-size-h2);
}

h3 {
    font-size: var(--font-size-h3);
}

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-hover);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: all var(--transition-base);
}

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

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

.nav-logo {
    font-size: 20px;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

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

.nav-link {
    color: var(--color-text);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-xs) 0;
    position: relative;
    transition: color var(--transition-fast);
}

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

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    gap: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition-fast);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    text-align: center;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    text-decoration: none;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xxl) var(--container-padding) var(--spacing-section);
    background: linear-gradient(180deg, #FFFFFF 0%, #F5F5F7 100%);
    margin-top: 64px;
}

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

.hero-headline {
    font-size: clamp(32px, 5vw, var(--font-size-h1));
    margin-bottom: var(--spacing-md);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.02em;
}

.hero-subheadline {
    font-size: clamp(17px, 2vw, 21px);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hero-ctas {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.trust-cues {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.trust-cue {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-small);
    color: var(--color-text-light);
}

.trust-icon {
    color: var(--color-success);
    font-weight: var(--font-weight-bold);
}

/* Problems → Outcomes Section */
.problems-outcomes {
    padding: var(--spacing-section) 0;
    background: var(--color-bg);
}

.problems-outcomes-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: start;
}

.section-title {
    font-size: var(--font-size-h2);
    margin-bottom: var(--spacing-md);
}

.section-title-centered {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-subtitle {
    font-size: var(--font-size-large);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.section-subtitle-centered {
    text-align: center;
}

.problem-list,
.outcome-list {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.problem-item,
.outcome-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    align-items: flex-start;
}

.problem-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.outcome-icon {
    color: var(--color-success);
    font-size: 20px;
    font-weight: var(--font-weight-bold);
    flex-shrink: 0;
    margin-top: 2px;
}

.problem-solution {
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    padding: var(--spacing-md);
    background: var(--color-bg-light);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-primary);
}

/* Services Section */
.services {
    padding: var(--spacing-section) 0;
    background: var(--color-bg-light);
}

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

.service-card {
    background: var(--color-bg);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: all var(--transition-base);
    will-change: transform;
}

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

.service-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

.service-title {
    font-size: 22px;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.service-description {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.service-includes {
    list-style: none;
    font-size: var(--font-size-small);
    color: var(--color-text-light);
}

.service-includes li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
}

.service-includes li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

.related-support {
    background: var(--color-bg);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}

.related-title {
    font-size: var(--font-size-h3);
    margin-bottom: var(--spacing-md);
}

.related-list {
    list-style: none;
    color: var(--color-text-light);
}

.related-list li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-md);
    position: relative;
}

.related-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

/* Who It's For Section */
.who-its-for {
    padding: var(--spacing-section) 0;
    background: var(--color-bg);
}

.who-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
}

.who-subtitle {
    font-size: var(--font-size-h3);
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.who-list {
    list-style: none;
}

.who-list li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--color-text-light);
    line-height: 1.6;
}

.who-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: var(--font-weight-bold);
}

/* How It Works Section */
.how-it-works {
    padding: var(--spacing-section) 0;
    background: var(--color-bg-light);
}

.steps-container {
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xxl);
    align-items: flex-start;
}

.step:last-child {
    margin-bottom: 0;
}

.step-number {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
}

.step-content {
    flex: 1;
    padding-top: var(--spacing-xs);
}

.step-title {
    font-size: var(--font-size-h3);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.step-description {
    color: var(--color-text-light);
    line-height: 1.6;
}

/* Deliverables Section */
.deliverables {
    padding: var(--spacing-section) 0;
    background: var(--color-bg);
}

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

.deliverable-item {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-bg-light);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.deliverable-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.deliverable-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

.deliverable-title {
    font-size: 18px;
    color: var(--color-text);
    line-height: 1.4;
}

/* CTA Banner */
.cta-banner {
    padding: var(--spacing-section) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
}

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

.cta-title {
    font-size: var(--font-size-h2);
    margin-bottom: var(--spacing-md);
    color: white;
}

.cta-subtitle {
    font-size: var(--font-size-large);
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

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

.cta-banner .btn-primary:hover {
    background: var(--color-bg-light);
    transform: translateY(-1px);
}

.cta-banner .btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.cta-banner .btn-secondary:hover {
    background: white;
    color: var(--color-primary);
}

/* FAQ Section */
.faq {
    padding: var(--spacing-section) 0;
    background: var(--color-bg-light);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    padding: var(--spacing-lg);
    background: none;
    border: none;
    text-align: left;
    font-size: var(--font-size-large);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background var(--transition-fast);
}

.faq-question:hover {
    background: var(--color-bg-light);
}

.faq-icon {
    font-size: 24px;
    font-weight: var(--font-weight-light);
    color: var(--color-primary);
    transition: transform var(--transition-base);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base), padding var(--transition-base);
    padding: 0 var(--spacing-lg);
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.faq-answer p {
    color: var(--color-text-light);
    line-height: 1.6;
    margin: 0;
}

/* Contact Section */
.contact {
    padding: var(--spacing-section) 0;
    background: var(--color-bg-light);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    background: var(--color-bg);
    padding: var(--spacing-xxl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}

.contact-company {
    font-size: var(--font-size-h3);
    margin-bottom: var(--spacing-xl);
    color: var(--color-text);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    transition: all var(--transition-base);
}

.contact-item:hover {
    transform: translateY(-2px);
}

.contact-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.contact-address,
.contact-email,
.contact-phone {
    color: var(--color-text);
    font-size: var(--font-size-large);
    margin: 0;
}

.contact-email a,
.contact-phone a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.contact-email a:hover,
.contact-phone a:hover {
    color: var(--color-primary-hover);
}

.compliance-note {
    font-size: var(--font-size-small);
    color: var(--color-text-light);
    font-style: italic;
    margin-top: var(--spacing-lg);
    margin-bottom: 0;
}

/* Footer */
.footer {
    padding: var(--spacing-lg) 0;
    background: var(--color-bg-dark);
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
    font-size: var(--font-size-small);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .deliverables-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-section: 80px;
        --font-size-h1: 40px;
        --font-size-h2: 32px;
        --font-size-h3: 24px;
    }
    
    .nav-menu {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: saturate(180%) blur(20px);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero {
        padding: var(--spacing-xl) var(--container-padding);
    }
    
    .hero-ctas {
        flex-direction: column;
    }
    
    .hero-ctas .btn {
        width: 100%;
    }
    
    .trust-cues {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .problems-outcomes-grid,
    .who-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .contact-content {
        padding: var(--spacing-xl);
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
    }
    
    .services-grid,
    .deliverables-grid {
        grid-template-columns: 1fr;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
    }
    
    .step-number {
        margin: 0 auto;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}