/* ================================
   GrowthArc Landing Page Styles
   Modern, Professional, Enterprise-Ready
   ================================ */

/* ========== CSS Variables & Design System ========== */
:root {
    /* Midnight & Amber Color Scheme */
    --primary-gradient-start: #1a1f3c;
    --primary-gradient-end: #d4a039;
    --primary-dark: #0f1229;
    --primary-light: #2d3142;
    --secondary: #d4a039;
    --accent: #e8c87a;

    /* Neutral Colors */
    --gray-50: #f7f5f2;
    --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: #1a1f3c;

    /* Accent Colors */
    --success: #10b981;
    --warning: #d4a039;
    --error: #ef4444;
    --info: #3b82f6;

    /* 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-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --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;
    --font-size-6xl: 3.75rem;

    /* 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);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

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

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

/* ========== Global Resets ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-900);
    background-color: white;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ========== Container ========== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

@media (max-width: 768px) {
    .container {
        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);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: var(--transition-base);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--gray-900);
}

.logo-text {
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-links a {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-700);
    transition: var(--transition-fast);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    transition: var(--transition-base);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--secondary);
    color: var(--primary-gradient-start) !important;
    border-radius: var(--radius-lg);
    font-weight: 600;
}

.nav-cta::after {
    display: none;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--gray-900);
    transition: var(--transition-base);
}

@media (max-width: 1024px) {
    .nav-links {
        display: none;
    }

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

/* ========== Hero Section ========== */
.hero {
    padding: 120px 0 var(--spacing-3xl);
    background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
    overflow: hidden;
    margin-top: 80px;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-text {
    z-index: 10;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: 9999px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

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

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-description {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
}

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

.stat {
    text-align: center;
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    margin-top: var(--spacing-xs);
    display: block;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

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

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

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--secondary);
    color: var(--primary-gradient-start);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: white;
    color: var(--gray-700);
    border: 2px solid var(--gray-200);
}

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

.btn-outline {
    background: transparent;
    border: 2px solid var(--gray-300);
    color: var(--gray-700);
}

.btn-outline:hover {
    border-color: var(--primary-gradient-start);
    color: var(--primary-gradient-start);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.btn-block {
    width: 100%;
}

/* ========== Hero Visual ========== */
.hero-visual {
    position: relative;
    height: 600px;
}

.mockup-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.mockup-phone {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 280px;
    height: 560px;
    background: white;
    border-radius: 40px;
    box-shadow: var(--shadow-2xl);
    padding: 12px;
    z-index: 3;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
    border-radius: 32px;
    overflow: hidden;
    padding: var(--spacing-md);
}

.phone-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.chat-bubble {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.ai-bubble {
    flex-direction: row;
}

.user-bubble {
    flex-direction: row-reverse;
}

.bubble-avatar {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.bubble-content {
    background: white;
    padding: var(--spacing-sm);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    max-width: 180px;
}

.user-bubble .bubble-content {
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: white;
}

.bubble-content p {
    font-size: var(--font-size-xs);
    margin: 0;
}

.bubble-time {
    font-size: 10px;
    color: var(--gray-500);
    display: block;
    margin-top: 4px;
}

.user-bubble .bubble-time {
    color: rgba(255, 255, 255, 0.7);
}

.mockup-dashboard {
    position: absolute;
    top: 20%;
    right: -20px;
    width: 320px;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-lg);
    z-index: 2;
}

.dashboard-header h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.dashboard-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.mini-stat {
    text-align: center;
    padding: var(--spacing-sm);
    background: var(--gray-50);
    border-radius: var(--radius-md);
}

.mini-stat-value {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-gradient-start);
}

.mini-stat-label {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--gray-600);
}

.floating-card {
    position: absolute;
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    animation: float 3s ease-in-out infinite;
    z-index: 4;
}

.card-1 {
    top: 10%;
    left: -40px;
    animation-delay: 0s;
}

.card-2 {
    bottom: 15%;
    right: -40px;
    animation-delay: 1.5s;
}

.card-icon {
    font-size: var(--font-size-2xl);
}

.card-text {
    display: flex;
    flex-direction: column;
}

.card-text strong {
    font-size: var(--font-size-sm);
    color: var(--gray-900);
}

.card-text span {
    font-size: var(--font-size-xs);
    color: var(--gray-600);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* ========== Section Styles ========== */
section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    margin-bottom: var(--spacing-3xl);
}

.section-header.centered {
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--spacing-3xl);
}

.section-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    color: var(--primary-gradient-start);
    border-radius: 9999px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.section-header h2 {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    line-height: 1.8;
}

.lead {
    font-size: var(--font-size-xl);
    line-height: 1.8;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
}

/* ========== Problem Section ========== */
.problem-section {
    background: white;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.problem-card {
    padding: var(--spacing-xl);
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: var(--transition-base);
}

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

.problem-stat {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    background: linear-gradient(135deg, var(--error), var(--warning));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
}

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

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

/* ========== Solution Section ========== */
.solution-section {
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.solution-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.solution-feature {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.solution-feature:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.feature-icon {
    font-size: var(--font-size-3xl);
    flex-shrink: 0;
}

.solution-feature h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.solution-feature p {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

.platform-showcase {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.showcase-item {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
}

.showcase-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-md);
}

.showcase-preview {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.mobile-preview {
    background: linear-gradient(135deg, #1a1f3c, #2d3142);
    padding: var(--spacing-lg);
}

.desktop-preview {
    background: var(--gray-50);
    padding: var(--spacing-md);
}

.mobile-ui {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
}

.ui-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.ui-title {
    font-weight: 600;
}

.ui-streak {
    font-size: var(--font-size-sm);
}

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

.goal-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--gray-50);
    border-radius: var(--radius-md);
}

.goal-item.completed {
    background: rgba(16, 185, 129, 0.1);
}

.goal-check {
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-300);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.goal-item.completed .goal-check {
    background: var(--success);
    border-color: var(--success);
    color: white;
}

.desktop-ui {
    display: flex;
    gap: var(--spacing-md);
}

.ui-sidebar {
    width: 120px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.sidebar-item {
    padding: var(--spacing-xs);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-md);
    color: var(--gray-600);
}

.sidebar-item.active {
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: white;
    font-weight: 600;
}

.ui-main {
    flex: 1;
}

.client-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

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

.client-avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.client-name {
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.client-status {
    font-size: var(--font-size-xs);
    color: var(--gray-600);
}

/* ========== Features Section ========== */
.features-section {
    background: white;
}

.features-tabs {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--gray-200);
    flex-wrap: wrap;
}

.tab-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--gray-600);
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    transition: var(--transition-fast);
    margin-bottom: -2px;
}

.tab-btn:hover {
    color: var(--primary-gradient-start);
}

.tab-btn.active {
    color: var(--primary-gradient-start);
    border-bottom-color: var(--primary-gradient-start);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.feature-card {
    padding: var(--spacing-xl);
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
}

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

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

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

.feature-card > p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    color: var(--gray-700);
    font-size: var(--font-size-sm);
}

.feature-list li::before {
    content: '✓';
    color: var(--success);
    font-weight: 700;
    flex-shrink: 0;
}

/* ========== Onboarding Section ========== */
.onboarding-section {
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
}

.onboarding-timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.onboarding-timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 30px;
    bottom: 30px;
    width: 2px;
    background: linear-gradient(180deg, var(--primary-gradient-start), var(--primary-gradient-end));
}

.timeline-item {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
    position: relative;
}

.timeline-marker {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: var(--shadow-lg);
    z-index: 1;
}

.timeline-content {
    flex: 1;
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.timeline-time {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary-gradient-start);
    border-radius: 9999px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.timeline-content h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
}

.timeline-details p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

.timeline-details ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.timeline-details li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    color: var(--gray-700);
}

.timeline-details li::before {
    content: '→';
    color: var(--primary-gradient-start);
    font-weight: 700;
    flex-shrink: 0;
}

.timeline-example {
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-gradient-start);
}

.timeline-example strong {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--gray-900);
}

.ai-preview {
    font-style: italic;
    color: var(--gray-700);
    line-height: 1.6;
}

.timeline-badge {
    margin-top: var(--spacing-md);
}

.badge-success {
    display: inline-flex;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.onboarding-cta {
    text-align: center;
    margin-top: var(--spacing-3xl);
}

.cta-note {
    margin-top: var(--spacing-md);
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

/* ========== Client Section ========== */
.client-section {
    background: white;
}

.client-journey {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.phone-mockup-large {
    position: relative;
    width: 100%;
    max-width: 360px;
    margin: 0 auto;
}

.phone-screens {
    width: 100%;
    aspect-ratio: 9/19.5;
    background: white;
    border-radius: 40px;
    box-shadow: var(--shadow-2xl);
    padding: 16px;
    border: 8px solid var(--gray-900);
}

.screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
    border-radius: 32px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.screen-header {
    padding: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.screen-time {
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.screen-content {
    flex: 1;
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.screen-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.morning-summary {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.summary-card {
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.summary-label {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--gray-600);
    margin-bottom: 4px;
}

.summary-value {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.daily-goals h5 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

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

.goal-list .goal-item {
    padding: var(--spacing-md);
}

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

.goal-name {
    flex: 1;
    font-size: var(--font-size-sm);
}

.journey-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.journey-step {
    padding: var(--spacing-xl);
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
    cursor: pointer;
}

.journey-step:hover,
.journey-step.active {
    border-color: var(--primary-gradient-start);
    box-shadow: var(--shadow-lg);
}

.step-number {
    display: inline-block;
    padding: 4px 12px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    color: var(--primary-gradient-start);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.journey-step h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
}

.journey-step > p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.step-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.step-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    color: var(--gray-700);
    font-size: var(--font-size-sm);
}

.step-features li::before {
    content: '✓';
    color: var(--success);
    font-weight: 700;
    flex-shrink: 0;
}

/* ========== Pricing Section ========== */
.pricing-section {
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
}

.toggle-label {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--gray-700);
}

.toggle-badge {
    padding: 2px 8px;
    background: var(--success);
    color: white;
    border-radius: 9999px;
    font-size: var(--font-size-xs);
    margin-left: var(--spacing-xs);
}

.toggle-switch {
    position: relative;
    width: 56px;
    height: 32px;
    cursor: pointer;
}

.toggle-switch input {
    display: none;
}

.toggle-slider {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gray-300);
    border-radius: 9999px;
    transition: var(--transition-base);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    height: 24px;
    width: 24px;
    left: 4px;
    bottom: 4px;
    background: white;
    border-radius: 50%;
    transition: var(--transition-base);
}

.toggle-switch input:checked + .toggle-slider {
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(24px);
}

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

.pricing-card {
    position: relative;
    padding: var(--spacing-xl);
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
}

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

.pricing-card.featured {
    border-color: var(--primary-gradient-start);
    box-shadow: var(--shadow-xl);
}

.pricing-card.enterprise {
    background: linear-gradient(135deg, rgba(26, 31, 60, 0.05), rgba(212, 160, 57, 0.05));
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 16px;
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: white;
    border-radius: 9999px;
    font-size: var(--font-size-xs);
    font-weight: 700;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.pricing-header h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-xs);
}

.pricing-header p {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

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

.price-currency {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--gray-900);
    vertical-align: top;
}

.price-amount {
    font-size: var(--font-size-6xl);
    font-weight: 800;
    color: var(--gray-900);
}

.price-period {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
}

.price-custom {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--gray-900);
}

.pricing-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    color: var(--gray-700);
}

.feature-check {
    color: var(--success);
    font-weight: 700;
    flex-shrink: 0;
}

.pricing-note {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.pricing-note p {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

/* ========== Testimonials ========== */
.testimonial-section {
    background: white;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.testimonial-card {
    padding: var(--spacing-xl);
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
}

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

.testimonial-rating {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    color: var(--gray-700);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.author-name {
    font-weight: 600;
    color: var(--gray-900);
}

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

.testimonial-stat {
    padding: var(--spacing-md);
    background: rgba(102, 126, 234, 0.1);
    border-radius: var(--radius-md);
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--gray-700);
}

.testimonial-stat strong {
    color: var(--primary-gradient-start);
}

/* ========== CTA Section ========== */
.cta-section {
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: white;
    padding: var(--spacing-3xl) 0;
}

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

.cta-content h2 {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
}

.cta-description {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

.cta-form {
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.form-row {
    display: flex;
    gap: var(--spacing-md);
}

.form-input {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    transition: var(--transition-base);
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.form-input:focus {
    outline: none;
    border-color: white;
    background: rgba(255, 255, 255, 0.2);
}

.form-note {
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

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

.benefit-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
}

/* ========== Footer ========== */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
    padding-bottom: var(--spacing-3xl);
    border-bottom: 1px solid var(--gray-800);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-md);
}

.footer-description {
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.footer-social a:hover {
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
}

.footer-section h4 {
    color: white;
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--gray-400);
    font-size: var(--font-size-sm);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

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

.badge-item {
    font-size: var(--font-size-xs);
    padding: 4px 12px;
    background: var(--gray-800);
    border-radius: var(--radius-md);
}

/* ========== Responsive Design ========== */
@media (max-width: 1024px) {
    .hero-content,
    .solution-content,
    .client-journey {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        height: 400px;
    }

    .mockup-dashboard,
    .floating-card {
        display: none;
    }

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

@media (max-width: 768px) {
    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .section-header h2 {
        font-size: var(--font-size-3xl);
    }

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

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

    .btn-lg {
        width: 100%;
    }

    .features-tabs {
        flex-direction: column;
    }

    .tab-btn {
        width: 100%;
        text-align: left;
    }

    .feature-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .onboarding-timeline::before {
        left: 20px;
    }

    .timeline-marker {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-lg);
    }

    .form-row {
        flex-direction: column;
    }

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* ========== Utility Classes ========== */
.text-center {
    text-align: center;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

/* ================================
   COACH PLATFORM & CLIENT APP SECTIONS
   ================================ */

/* Coach Platform Section */
.coach-platform-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, white 0%, var(--gray-50) 100%);
}

.platform-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-2xl) 0;
}

.metric-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

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

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

.metric-value {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.metric-label {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    line-height: 1.4;
}

/* Features Showcase */
.features-showcase {
    margin-top: var(--spacing-3xl);
}

.feature-large {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    margin-bottom: var(--spacing-3xl);
    padding: var(--spacing-2xl);
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
}

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

.dashboard-mockup {
    width: 100%;
    max-width: 400px;
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.mockup-header {
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: white;
    font-weight: 600;
}

.mockup-content {
    padding: var(--spacing-lg);
}

.client-card {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.client-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

.client-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.client-info strong {
    font-size: var(--font-size-base);
}

.client-info span {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.progress-bar-mini {
    height: 4px;
    background: var(--gray-200);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill-mini {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-gradient-start), var(--primary-gradient-end));
}

.engagement-badge {
    font-size: var(--font-size-xs);
    color: var(--error);
    font-weight: 600;
}

.feature-text h3 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
}

.feature-lead {
    font-size: var(--font-size-lg);
    color: var(--gray-700);
    margin-bottom: var(--spacing-lg);
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.feature-list li {
    font-size: var(--font-size-base);
    color: var(--gray-700);
    padding-left: var(--spacing-md);
    position: relative;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
}

.feature-list strong {
    color: var(--gray-900);
}

.features-grid-2col {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    padding: var(--spacing-xl);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

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

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

.feature-card h4 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    font-size: var(--font-size-base);
    color: var(--gray-700);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.feature-highlight {
    padding: var(--spacing-md);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
    border-left: 3px solid var(--primary-gradient-start);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--gray-700);
    line-height: 1.8;
}

/* Client App Section */
.client-app-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, var(--gray-50) 0%, white 100%);
}

.app-showcase {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-3xl);
    align-items: center;
    margin-top: var(--spacing-3xl);
}

.app-visual {
    display: flex;
    justify-content: center;
}

.phone-mockup-large {
    width: 320px;
    height: 640px;
    background: #1f2937;
    border-radius: 40px;
    padding: 16px;
    box-shadow: var(--shadow-2xl);
    position: relative;
}

.phone-mockup-large::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 24px;
    background: #1f2937;
    border-radius: 0 0 20px 20px;
    z-index: 10;
}

.phone-screen-large {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 28px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.app-header {
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: white;
    position: relative;
}

.app-header .time {
    position: absolute;
    top: 8px;
    left: 16px;
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.app-title {
    text-align: center;
    font-weight: 700;
    font-size: var(--font-size-lg);
    margin-top: var(--spacing-md);
}

.app-content {
    flex: 1;
    padding: var(--spacing-lg);
    background: var(--gray-50);
    overflow-y: auto;
}

.greeting {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.goals-preview {
    margin-bottom: var(--spacing-lg);
}

.goal-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.goal-icon {
    font-size: 32px;
}

.goal-text {
    flex: 1;
}

.goal-text strong {
    display: block;
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-xs);
}

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

.ai-chat-preview {
    margin-top: var(--spacing-lg);
}

.chat-message {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

.message-text {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background: white;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.app-features h3 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-xl);
}

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

.client-feature {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

.client-feature-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    flex-shrink: 0;
}

.client-feature-content {
    flex: 1;
}

.client-feature-content h4 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.client-feature-content p {
    font-size: var(--font-size-base);
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.stat-callout {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border-radius: 9999px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--primary-gradient-start);
}

/* Responsive Styles for New Sections */
@media (max-width: 1024px) {
    .feature-large {
        grid-template-columns: 1fr;
    }

    .app-showcase {
        grid-template-columns: 1fr;
    }

    .phone-mockup-large {
        margin: 0 auto;
    }
}

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

    .features-grid-2col {
        grid-template-columns: 1fr;
    }

    .metric-icon,
    .feature-card-icon {
        font-size: 36px;
    }

    .metric-value {
        font-size: var(--font-size-3xl);
    }

    .feature-large {
        padding: var(--spacing-lg);
    }

    .client-feature {
        flex-direction: column;
    }

    .client-feature-icon {
        width: 56px;
        height: 56px;
        font-size: 28px;
    }
}

/* Hero Highlights */
.hero-highlights {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
    border-radius: var(--radius-xl);
    border: 2px solid rgba(102, 126, 234, 0.1);
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    font-size: var(--font-size-base);
    color: var(--gray-800);
    line-height: 1.6;
}

.highlight-item:not(:last-child) {
    border-bottom: 1px solid rgba(102, 126, 234, 0.1);
}

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

.highlight-item strong {
    color: var(--primary-gradient-start);
}

@media (max-width: 768px) {
    .hero-highlights {
        padding: var(--spacing-lg);
    }

    .highlight-item {
        font-size: var(--font-size-sm);
    }

    .highlight-icon {
        font-size: 20px;
    }
}

/* ================================
   PLATFORM OVERVIEW SECTION
   ================================ */

.platform-overview-section {
    padding: var(--spacing-3xl) 0;
    background: white;
}

.platform-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin: var(--spacing-3xl) 0;
}

.platform-feature-card {
    padding: var(--spacing-xl);
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
    display: flex;
    flex-direction: column;
}

.platform-feature-card:hover {
    border-color: var(--primary-gradient-start);
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.platform-feature-card.featured {
    border-color: var(--primary-gradient-start);
    border-width: 3px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.02), rgba(118, 75, 162, 0.02));
}

.feature-icon-large {
    font-size: 56px;
    margin-bottom: var(--spacing-md);
}

.platform-feature-card h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-xs);
    color: var(--gray-900);
}

.feature-tagline {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
}

.feature-points {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-lg) 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    flex: 1;
}

.feature-points li {
    font-size: var(--font-size-sm);
    color: var(--gray-700);
    padding-left: var(--spacing-md);
    position: relative;
    line-height: 1.6;
}

.feature-points li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
}

.feature-stat {
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border-radius: var(--radius-md);
    text-align: center;
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--primary-gradient-start);
}

.platform-cta-banner {
    margin-top: var(--spacing-3xl);
    padding: var(--spacing-3xl);
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    border-radius: var(--radius-2xl);
    text-align: center;
    color: white;
}

.cta-banner-content h3 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
}

.cta-banner-content p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

.cta-note {
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-md);
    opacity: 0.9;
}

@media (max-width: 1024px) {
    .platform-features-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .platform-overview-section {
        padding: var(--spacing-2xl) 0;
    }

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

    .feature-icon-large {
        font-size: 48px;
    }

    .platform-feature-card h3 {
        font-size: var(--font-size-xl);
    }

    .platform-cta-banner {
        padding: var(--spacing-xl);
    }

    .cta-banner-content h3 {
        font-size: var(--font-size-2xl);
    }

    .cta-banner-content p {
        font-size: var(--font-size-base);
    }
}

/* ================================
   QUICK NAVIGATION BAR
   ================================ */

.quick-nav {
    position: sticky;
    top: 80px;
    background: white;
    border-bottom: 2px solid var(--gray-200);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    z-index: 40;
    transition: var(--transition-base);
}

.quick-nav.scrolled {
    box-shadow: var(--shadow-lg);
}

.quick-nav-items {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) 0;
    flex-wrap: wrap;
}

.quick-nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--gray-50);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: var(--transition-base);
    cursor: pointer;
}

.quick-nav-link:hover {
    background: white;
    border-color: var(--primary-gradient-start);
    color: var(--primary-gradient-start);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.quick-nav-link .nav-icon {
    font-size: var(--font-size-lg);
    line-height: 1;
}

.quick-nav .btn-primary {
    margin-left: var(--spacing-md);
}

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 140px;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .quick-nav {
        top: 70px;
    }
    
    .quick-nav-items {
        gap: var(--spacing-xs);
        padding: var(--spacing-sm) 0;
    }
    
    .quick-nav-link {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
    
    .quick-nav-link span:not(.nav-icon) {
        display: none;
    }
    
    .quick-nav-link .nav-icon {
        font-size: var(--font-size-xl);
    }
    
    .quick-nav .btn-primary {
        margin-left: var(--spacing-xs);
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
    
    html {
        scroll-padding-top: 120px;
    }
}

/* ========== Platform Badges (iOS, Android, Watch, Web) ========== */
.platform-badges {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.platform-badge {
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-2xl);
    font-size: var(--font-size-sm);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.platform-badge:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ========== SLM (Small Language Model) Highlight Section ========== */
.slm-highlight {
    margin-bottom: var(--spacing-xl);
}

.slm-badge {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border: 2px solid rgba(102, 126, 234, 0.3);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    max-width: 800px;
    margin: 0 auto;
}

.slm-icon {
    font-size: 2.5rem;
    line-height: 1;
}

.slm-text strong {
    display: block;
    font-size: var(--font-size-lg);
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.slm-text p {
    color: var(--gray-600);
    line-height: 1.6;
    margin: 0;
}

/* ========== Interactive Demo Section ========== */
.interactive-demo {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    margin: var(--spacing-2xl) 0;
    position: relative;
    overflow: hidden;
}

.interactive-demo::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 50%);
    animation: pulse-glow 4s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

.demo-header {
    text-align: center;
    position: relative;
    z-index: 1;
    margin-bottom: var(--spacing-xl);
}

.demo-header h3 {
    color: white;
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-xs);
}

.demo-header p {
    color: var(--gray-400);
}

.demo-tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.demo-tab {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 500;
}

.demo-tab:hover,
.demo-tab.active {
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    border-color: transparent;
}

.demo-content {
    position: relative;
    z-index: 1;
}

.demo-screen {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    min-height: 300px;
    display: none;
}

.demo-screen.active {
    display: block;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ========== Behavioral Science Section ========== */
.behavioral-science-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.science-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
}

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

.science-card-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
}

.science-card h4 {
    font-size: var(--font-size-lg);
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.science-card p {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

/* ========== Apple Watch Feature Callout ========== */
.watch-callout {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    margin: var(--spacing-2xl) 0;
}

.watch-content h3 {
    color: white;
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
}

.watch-content p {
    color: var(--gray-400);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

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

.watch-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: white;
}

.watch-feature-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

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

.watch-mockup {
    width: 200px;
    height: 240px;
    background: linear-gradient(180deg, #2d2d2d 0%, #1a1a1a 100%);
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    position: relative;
}

.watch-mockup::before {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 40px;
    background: #3d3d3d;
    border-radius: 3px;
}

.watch-screen {
    background: linear-gradient(180deg, #000 0%, #1a1a2e 100%);
    border-radius: 32px;
    height: 100%;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.watch-screen .habit-ring {
    width: 100px;
    height: 100px;
    border: 4px solid rgba(102, 126, 234, 0.3);
    border-top-color: var(--primary-gradient-start);
    border-radius: 50%;
    margin-bottom: var(--spacing-sm);
    animation: spin 2s linear infinite;
}

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

.watch-screen .habit-text {
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.watch-screen .habit-cta {
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: white;
    border: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-sm);
    cursor: pointer;
}

/* Mobile responsive for new sections */
@media (max-width: 768px) {
    .platform-badges {
        gap: var(--spacing-xs);
    }

    .platform-badge {
        font-size: var(--font-size-xs);
        padding: 6px var(--spacing-sm);
    }

    .slm-badge {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-md);
    }

    .watch-callout {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .watch-features {
        align-items: center;
    }

    .demo-tabs {
        flex-wrap: wrap;
    }

    .demo-tab {
        font-size: var(--font-size-sm);
        padding: var(--spacing-xs) var(--spacing-md);
    }
}