/* ==========================================================================
   Dial-Assist Landing Page Styles
   Modern, responsive design with gradient theme matching app icon
   ========================================================================== */

/* CSS Variables */
:root {
    /* Colors matching app icon gradient */
    --primary-cyan: #40E0D0;
    --primary-purple: #9B59B6;
    --primary-pink: #E91E63;

    /* Neutral colors */
    --white: #FFFFFF;
    --black: #000000;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-900: #111827;

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

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;

    /* 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 & 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: 1.6;
    color: var(--gray-900);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.nav-logo {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
}

.brand-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-cyan), var(--primary-purple), var(--primary-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Buttons */
.btn-primary,
.btn-primary-small {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-cyan), var(--primary-purple), var(--primary-pink));
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-primary-small {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
}

.btn-primary:hover,
.btn-primary-small:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
}

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

.btn-large .apple-icon {
    width: 24px;
    height: 24px;
}

/* Hero Section */
.hero {
    padding-top: calc(60px + var(--spacing-2xl));
    padding-bottom: var(--spacing-2xl);
    background: linear-gradient(135deg, rgba(64, 224, 208, 0.1), rgba(155, 89, 182, 0.1), rgba(233, 30, 99, 0.1));
}

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

.hero-text h1 {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-cyan), var(--primary-purple), var(--primary-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.hero-buttons {
    margin-bottom: var(--spacing-md);
}

.compatibility {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    position: relative;
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--primary-cyan), var(--primary-purple), var(--primary-pink));
    border-radius: var(--radius-2xl);
    padding: 2rem;
    box-shadow: var(--shadow-xl);
    animation: float 3s ease-in-out infinite;
}

.app-preview {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius-xl);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Features Section */
.features {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

/* Features Accordion */
.features-accordion {
    max-width: 900px;
    margin: var(--spacing-xl) auto 0;
}

.feature-accordion-item {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

/* Gradient accent line on right edge */
.feature-accordion-item::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-cyan), var(--primary-purple), var(--primary-pink));
    border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
    transition: width 0.3s ease;
    z-index: 1;
}

.feature-accordion-item:hover::after {
    width: 6px;
}

.feature-accordion-item.active::after {
    width: 6px;
}

.feature-accordion-item:hover {
    border-color: var(--primary-purple);
    box-shadow: var(--shadow-md);
}

.feature-accordion-item.active {
    border-color: var(--primary-purple);
    box-shadow: var(--shadow-lg);
}

.feature-accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    cursor: pointer;
    user-select: none;
}

.feature-accordion-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex: 1;
    flex-wrap: wrap;
}

.feature-accordion-title .feature-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.features-note {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(64, 224, 208, 0.05), rgba(155, 89, 182, 0.05));
    border-radius: var(--radius-xl);
    text-align: center;
}

.features-note p {
    font-size: var(--font-size-base);
    color: var(--gray-600);
    margin: 0;
    line-height: 1.6;
}

.feature-accordion-item h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin: 0;
    color: var(--gray-900);
}

.accordion-toggle {
    font-size: var(--font-size-3xl);
    font-weight: 300;
    color: var(--primary-purple);
    transition: transform 0.3s ease;
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-accordion-item.active .accordion-toggle {
    transform: rotate(45deg);
}

.feature-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 var(--spacing-lg);
}

.feature-accordion-item.active .feature-accordion-content {
    max-height: 500px;
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.feature-accordion-content p {
    color: var(--gray-700);
    line-height: 1.8;
    margin: 0;
}

/* Keep old grid styles for backwards compatibility if needed */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.feature-card {
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* How It Works Section - Journey Paths */
.how-it-works {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, rgba(64, 224, 208, 0.05), rgba(155, 89, 182, 0.05), rgba(233, 30, 99, 0.05));
}

.journey-paths {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    align-items: start;
}

@media (max-width: 1024px) {
    .journey-paths {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin-left: auto;
        margin-right: auto;
    }
}

.journey-path {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: 0;
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--gray-200);
    overflow: hidden;
    transition: all 0.5s ease;
    position: relative;
}

.journey-path::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-cyan), var(--primary-purple), var(--primary-pink));
    border-radius: 0 var(--radius-2xl) var(--radius-2xl) 0;
    transition: width 0.3s ease;
    z-index: 1;
}

.journey-path:hover::after,
.journey-path.active::after {
    width: 6px;
}

.path-header {
    text-align: center;
    padding: var(--spacing-xl);
    position: relative;
    z-index: 2;
}

.path-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.path-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--gray-900);
    margin: 0 0 var(--spacing-sm) 0;
}

.path-subtitle {
    color: var(--gray-600);
    font-size: var(--font-size-base);
    margin: 0;
}

.path-road {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0 var(--spacing-xl) var(--spacing-xl) var(--spacing-xl);
}

.path-step {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
    position: relative;
    z-index: 2;
}

.step-marker {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-cyan), var(--primary-purple), var(--primary-pink));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: 700;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.step-content {
    flex: 1;
    padding-bottom: var(--spacing-md);
}

.step-content h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-900);
    margin: 0 0 var(--spacing-xs) 0;
}

.step-content p {
    color: var(--gray-600);
    line-height: 1.6;
    margin: 0;
    font-size: var(--font-size-sm);
}

.path-connector {
    display: none;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

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

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-cyan), var(--primary-purple), var(--primary-pink));
    color: var(--white);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    border-radius: 50%;
    margin-bottom: var(--spacing-md);
}

.step h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

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

/* Our Story Section */
.our-story {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.story-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-xl);
    align-items: start;
}

@media (max-width: 968px) {
    .story-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .story-images {
        position: static !important;
    }
}

.story-images {
    position: sticky;
    top: 100px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.story-images img {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 3px solid transparent;
    background-image: linear-gradient(white, white), linear-gradient(135deg, var(--primary-cyan), var(--primary-purple), var(--primary-pink));
    background-origin: border-box;
    background-clip: padding-box, border-box;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.story-images img:hover {
    transform: scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.story-text p {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--gray-700);
    margin-bottom: var(--spacing-lg);
}

.story-intro {
    font-size: var(--font-size-xl) !important;
    color: var(--gray-900) !important;
    line-height: 1.6 !important;
}

.story-highlight {
    font-size: var(--font-size-2xl) !important;
    background: linear-gradient(135deg, var(--primary-cyan), var(--primary-purple), var(--primary-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700 !important;
    margin: var(--spacing-xl) 0 !important;
}

.story-conclusion {
    font-size: var(--font-size-xl) !important;
    color: var(--gray-900) !important;
    margin-top: var(--spacing-xl) !important;
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--gray-200);
}

.story-tagline {
    font-size: var(--font-size-3xl) !important;
    font-weight: 700 !important;
    text-align: center;
    margin-top: var(--spacing-2xl) !important;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary-cyan), var(--primary-purple), var(--primary-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

/* Safety Reassurance */
.safety-reassurance {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-2xl);
    border-top: 3px solid transparent;
    background-image: linear-gradient(white, white), linear-gradient(135deg, var(--primary-cyan), var(--primary-purple), var(--primary-pink));
    background-origin: border-box;
    background-clip: padding-box, border-box;
}

.reassurance-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(64, 224, 208, 0.08), rgba(155, 89, 182, 0.08));
    border-radius: var(--radius-xl);
}

.reassurance-content h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.reassurance-content p {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    color: var(--gray-700);
    margin: 0;
}

/* Self-Referential Learning Section */
.self-learning {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, rgba(64, 224, 208, 0.05), rgba(155, 89, 182, 0.05), rgba(233, 30, 99, 0.05));
    position: relative;
    overflow: hidden;
}

/* Background watermark icon */
.self-learning::before {
    content: '🔄';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 20rem;
    opacity: 0.03;
    z-index: 0;
    pointer-events: none;
}

.self-learning .container {
    position: relative;
    z-index: 1;
}

.learning-explanation {
    max-width: 900px;
    margin: 0 auto var(--spacing-xl);
    text-align: center;
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
}

.learning-explanation p {
    font-size: var(--font-size-lg);
    color: var(--gray-700);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.learning-explanation strong {
    background: linear-gradient(135deg, var(--primary-cyan), var(--primary-purple), var(--primary-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* Learning Grid Wrapper - Side by Side Layout */
.learning-grid-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
    position: relative;
    width: 100%;
}

@media (max-width: 968px) {
    .learning-explanation,
    .learning-summary {
        display: block !important;
        visibility: visible !important;
    }

    .learning-grid-wrapper {
        grid-template-columns: 1fr;
    }

    .learning-detail-panel {
        display: none !important;
    }
}

/* Learning Cards Grid - Left Side */
.learning-cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

@media (max-width: 968px) {
    .learning-cards-grid {
        grid-template-columns: 1fr;
    }
}

/* Learning Detail Panel - Right Side */
.learning-detail-panel {
    position: sticky;
    top: 100px;
    height: 100%;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary-cyan), var(--primary-purple), var(--primary-pink));
    border-radius: var(--radius-2xl);
    border: 2px solid transparent;
    display: flex;
    align-items: center;
    justify-content: center;
}

.detail-panel-content {
    text-align: left;
    transition: all 0.3s ease;
    color: white !important;
}

.detail-panel-content * {
    color: white !important;
}

.detail-panel-content h3 {
    color: white !important;
}

.detail-panel-content h4 {
    color: white !important;
}

.detail-panel-content p {
    color: white !important;
}

.detail-panel-content .card-header h3 {
    color: white !important;
}

.detail-panel-content .card-expanded p {
    color: white !important;
}

.detail-panel-content .stat-number,
.detail-panel-content .stat-suffix {
    color: white !important;
    background: none !important;
    -webkit-background-clip: unset !important;
    -webkit-text-fill-color: white !important;
    background-clip: unset !important;
}

.detail-panel-content .stat-card-title {
    color: white !important;
}

.detail-prompt {
    font-size: var(--font-size-base);
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

/* Learning Summary */
.learning-summary {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(64, 224, 208, 0.05), rgba(155, 89, 182, 0.05), rgba(233, 30, 99, 0.05));
    border-radius: var(--radius-xl);
    text-align: center;
}

.learning-summary p {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--gray-700);
    margin: 0;
}

/* Living Grid - 6 Cards with Modal */
.living-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.grid-card {
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-xl);
    text-align: center;
    border: 2px solid transparent;
    background-image: linear-gradient(white, white), linear-gradient(135deg, var(--primary-cyan), var(--primary-purple), var(--primary-pink));
    background-origin: border-box;
    background-clip: padding-box, border-box;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    min-height: 140px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.grid-card:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.2);
    border-color: var(--primary-purple);
}

@media (max-width: 968px) {
    .learning-grid-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .learning-detail-panel {
        display: none;
    }

    .learning-cards-grid {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .grid-card {
        min-height: auto;
        cursor: pointer;
    }

    .grid-card:hover {
        transform: none;
    }

    .grid-card .card-expanded {
        display: none;
        margin-top: var(--spacing-md);
        padding-top: var(--spacing-md);
        border-top: 1px solid var(--gray-200);
        text-align: left;
    }

    .grid-card.mobile-expanded .card-expanded {
        display: block;
    }

    .grid-card.mobile-expanded .card-expand-indicator {
        transform: rotate(45deg);
    }
}

/* Card Expand Indicator */
.card-expand-indicator {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--primary-purple);
    transition: all 0.3s ease;
    z-index: 2;
}

.grid-card:hover .card-expand-indicator {
    transform: rotate(90deg);
}

.grid-card.active .card-expand-indicator {
    transform: rotate(45deg);
}

/* Dim other cards when one is expanded */
.living-grid.has-active .grid-card:not(.active) {
    opacity: 0.4;
    filter: blur(2px);
}

.grid-card.active {
    opacity: 1 !important;
    filter: none !important;
}

/* Card Header (always visible) */
.card-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.benefit-icon {
    font-size: 3rem;
    transition: transform 0.3s ease;
}

.grid-card:hover .benefit-icon {
    transform: scale(1.2);
}

.card-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin: 0;
}

/* Stat styling in card header */
.stat-icon {
    font-size: 2rem;
}

.stat-display {
    display: flex;
    align-items: baseline;
    justify-content: center;
}

.stat-number {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-cyan), var(--primary-purple), var(--primary-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-suffix {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-cyan), var(--primary-purple), var(--primary-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-card-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-700);
    text-align: center;
    margin-top: var(--spacing-xs);
    line-height: 1.3;
}

/* Card Expanded Content - Hidden by default, shown in modal */
.card-expanded {
    display: none;
}

.card-expanded p {
    color: var(--gray-700);
    font-size: var(--font-size-base);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

/* Modal Overlay */
.card-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.card-modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* Modal Panel */
.card-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    z-index: 1001;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 3px solid transparent;
    background-image: linear-gradient(white, white), linear-gradient(135deg, var(--primary-cyan), var(--primary-purple), var(--primary-pink));
    background-origin: border-box;
    background-clip: padding-box, border-box;
}

.card-modal.active {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, -50%) scale(1);
}

.card-modal-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--gray-200);
    position: relative;
}

.card-modal-header .card-expand-indicator {
    transform: rotate(45deg);
}

.card-modal-header .benefit-icon,
.card-modal-header .stat-icon {
    font-size: 4rem;
}

.card-modal-header h3 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin: 0;
}

.card-modal-header .stat-display {
    margin-top: var(--spacing-xs);
}

.card-modal-content {
    text-align: left;
}


/* Special text styles for 90% stat card */
.stat-title {
    font-size: var(--font-size-lg);
    color: var(--gray-900);
    margin: var(--spacing-xs) 0;
    line-height: 1.3;
}

.stat-explanation {
    font-size: var(--font-size-sm);
    color: var(--gray-700);
    line-height: 1.6;
    margin: var(--spacing-xs) 0;
}

.stat-research {
    font-size: var(--font-size-xs);
    color: var(--gray-600);
    margin-top: var(--spacing-xs);
    line-height: 1.4;
}

@media (max-width: 768px) {
    .living-grid {
        grid-template-columns: 1fr;
    }

    .grid-card.expanded {
        transform: scale(1);
    }
}

.learn-more {
    max-width: 900px;
    margin: var(--spacing-2xl) auto 0;
    padding: var(--spacing-xl);
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    width: 100%;
    clear: both;
    display: block;
}

.research-section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-cyan), var(--primary-purple), var(--primary-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.research-intro {
    margin-bottom: var(--spacing-xl);
}

.research-intro h4 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
}

.research-intro p {
    color: var(--gray-700);
    line-height: 1.8;
}

.research-subtitle {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin: var(--spacing-lg) 0 var(--spacing-md);
    color: var(--gray-900);
}

.research-accordion-item {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
    transition: all 0.3s ease;
}

.research-accordion-item:hover {
    border-color: var(--primary-purple);
    box-shadow: 0 4px 12px rgba(155, 89, 182, 0.1);
}

.research-accordion-header {
    padding: var(--spacing-md);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--white);
    transition: background 0.3s ease;
}

.research-accordion-header:hover {
    background: rgba(155, 89, 182, 0.05);
}

.research-accordion-header strong {
    color: var(--gray-900);
    font-size: var(--font-size-base);
}

.research-accordion-header .accordion-toggle {
    font-size: 1.5rem;
    color: var(--primary-purple);
    transition: transform 0.3s ease;
}

.research-accordion-item.active .accordion-toggle {
    transform: rotate(45deg);
}

.research-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 var(--spacing-md);
}

.research-accordion-item.active .research-accordion-content {
    max-height: 300px;
    padding: var(--spacing-md);
    padding-top: 0;
}

.research-accordion-content p {
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.research-accordion-content a {
    color: var(--primary-purple);
    text-decoration: none;
    font-size: var(--font-size-sm);
}

.research-accordion-content a:hover {
    text-decoration: underline;
}

/* Gradient accent line on right edge */
.learn-more::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-cyan), var(--primary-purple), var(--primary-pink));
    border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
    transition: width 0.3s ease;
    z-index: 1;
}

.learn-more:hover::after {
    width: 6px;
}

.learn-more.active::after {
    width: 6px;
}

.learn-more:hover {
    border-color: var(--primary-purple);
    box-shadow: var(--shadow-md);
}

.learn-more.active {
    border-color: var(--primary-purple);
    box-shadow: var(--shadow-lg);
}

.learn-more-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    cursor: pointer;
    user-select: none;
}

.learn-more-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-900);
    margin: 0;
}

.learn-more-header .accordion-toggle {
    font-size: var(--font-size-3xl);
    font-weight: 300;
    color: var(--primary-purple);
    transition: transform 0.3s ease;
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.learn-more.active .accordion-toggle {
    transform: rotate(45deg);
}

.research-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 var(--spacing-lg);
}

.learn-more.active .research-content {
    max-height: 2000px;
    padding: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
}

.research-content h3 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.research-content h3:first-child {
    margin-top: 0;
}

.research-content p {
    color: var(--gray-700);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.research-links {
    list-style: none;
    padding: 0;
}

.research-links li {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    line-height: 1.8;
}

.research-links a {
    color: var(--primary-purple);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.research-links a:hover {
    color: var(--primary-cyan);
    text-decoration: underline;
}

.research-note {
    font-style: italic;
    color: var(--gray-600);
    background: var(--gray-50);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
}

/* Pricing Section */
.pricing {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.pricing-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto var(--spacing-xl) auto;
}

.pricing-card {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
    border: 2px solid transparent;
    position: relative;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

.pricing-card.essential {
    background-image: linear-gradient(white, white), linear-gradient(135deg, var(--primary-cyan), var(--primary-purple));
    background-origin: border-box;
    background-clip: padding-box, border-box;
}

.pricing-card.premium {
    background-image: linear-gradient(white, white), linear-gradient(135deg, var(--primary-purple), var(--primary-pink));
    background-origin: border-box;
    background-clip: padding-box, border-box;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.15);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-cyan), var(--primary-purple));
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--gray-200);
}

.plan-name {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--gray-900);
    margin: 0 0 var(--spacing-md) 0;
}

.price-amount {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.price-amount .currency {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-purple);
    margin-top: 8px;
}

.price-amount .amount {
    font-size: 4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-cyan), var(--primary-purple), var(--primary-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.price-amount .period {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    margin-top: 24px;
}

.price-description {
    font-size: var(--font-size-lg);
    color: var(--gray-700);
    margin: 0;
}

.pricing-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-grow: 1;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    font-size: var(--font-size-base);
    color: var(--gray-700);
}

.feature-item.premium-plus {
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--gray-200);
}

.feature-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-cyan), var(--primary-purple), var(--primary-pink));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-sm);
}

.btn-pricing {
    display: block;
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-cyan), var(--primary-purple), var(--primary-pink));
    color: white;
    text-decoration: none;
    border-radius: var(--radius-xl);
    font-weight: 700;
    text-align: center;
    transition: all 0.3s ease;
    margin-top: auto;
}

.btn-pricing:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(155, 89, 182, 0.4);
}

.trial-note {
    text-align: center;
    color: var(--gray-600);
    font-size: var(--font-size-base);
    max-width: 700px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(64, 224, 208, 0.05), rgba(155, 89, 182, 0.05));
    border-radius: var(--radius-xl);
}

.trial-note strong {
    color: var(--gray-900);
}

.trial-badge {
    background: linear-gradient(135deg, var(--primary-cyan), var(--primary-purple), var(--primary-pink));
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    text-align: center;
    color: var(--white);
}

.trial-badge strong {
    display: block;
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
}

.trial-badge p {
    margin: 0;
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

/* Trust Section */
.trust {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

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

.trust-content h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.trust-content p {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

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

.badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    font-weight: 600;
}

.badge-icon {
    font-size: var(--font-size-xl);
}

/* Download CTA Section */
.download-cta {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--primary-cyan), var(--primary-purple), var(--primary-pink));
    color: var(--white);
}

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

.cta-content h2 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.cta-content > p {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.cta-content .btn-primary {
    background: var(--white);
    color: var(--primary-purple);
    margin-bottom: var(--spacing-sm);
}

.cta-content .btn-primary:hover {
    background: var(--gray-50);
}

.cta-note {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

/* Footer */
.footer {
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    background: var(--gray-900);
    color: var(--white);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

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

.footer-logo {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
}

.footer-tagline {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-300);
}

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

.footer-column h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    display: block;
    color: var(--gray-300);
    text-decoration: none;
    margin-bottom: var(--spacing-xs);
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: var(--spacing-md);
    text-align: center;
}

.footer-bottom p {
    color: var(--gray-300);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.disclaimer {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    font-style: italic;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

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

    .hero-text h1 {
        font-size: var(--font-size-3xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-lg);
    }

    .phone-mockup {
        width: 250px;
        height: 250px;
    }

    .section-title {
        font-size: var(--font-size-3xl);
    }

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

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

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

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

    .cta-content h2 {
        font-size: var(--font-size-3xl);
    }
}

/* Tablet Responsive */
@media (max-width: 1024px) and (min-width: 769px) {
    .hero-text h1 {
        font-size: var(--font-size-4xl);
    }

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