/* ============================================
   Caribou Health Website Styles
   A futuristic healthcare landing page
   ============================================ */

/* ============================================
   CSS Variables / Design Tokens
   ============================================ */
:root {
    /* Primary Colors - Dark Blue to Magenta Gradient */
    --primary-dark: #004aad;
    --primary-magenta: #cb6ce6;
    --accent-cyan: #5efaff;
    --accent-purple: #5e17eb;

    /* Text Colors */
    --text-light: #faf2e9;
    --text-white: #ffffff;
    --text-dark: #1a1a2e;
    --text-muted: rgba(250, 242, 233, 0.7);

    /* Background Colors */
    --bg-dark: #0a0a1a;
    --bg-gradient: linear-gradient(135deg, #004aad 0%, #1a0a2e 50%, #cb6ce6 100%);
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-card-hover: rgba(255, 255, 255, 0.1);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Typography */
    --font-display: 'DM Serif Display', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.5rem;
    --text-5xl: 3.5rem;
    --text-6xl: 4.5rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 25px 50px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px rgba(94, 250, 255, 0.3);

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

    /* Z-index */
    --z-base: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-tooltip: 500;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--text-light);
    background: var(--bg-dark);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
    list-style: none;
}

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

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* ============================================
   Utility Classes
   ============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.highlight {
    color: var(--accent-cyan);
    font-style: italic;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    padding: var(--space-md) 0;
    transition: background var(--transition-base), backdrop-filter var(--transition-base);
}

.navbar.scrolled {
    background: rgba(10, 10, 26, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text-white);
}

.nav-logo-img {
    opacity: 0.95;
    transition: opacity var(--transition-fast);
}

.nav-logo:hover .nav-logo-img {
    opacity: 1;
}

.nav-logo-svg,
.footer-logo-svg {
    flex-shrink: 0;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

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

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

.nav-link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-muted);
    padding: var(--space-sm) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--primary-magenta));
    transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-white);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-cta {
    background: linear-gradient(135deg, var(--accent-cyan), var(--primary-magenta));
    color: var(--text-dark) !important;
    padding: var(--space-sm) var(--space-lg) !important;
    border-radius: var(--radius-full);
    font-weight: 600;
}

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

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

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
    z-index: var(--z-modal);
}

.hamburger {
    width: 24px;
    height: 2px;
    background: var(--text-white);
    transition: var(--transition-fast);
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--text-white);
    transition: var(--transition-fast);
}

.hamburger::before {
    top: -7px;
}

.hamburger::after {
    top: 7px;
}

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    cursor: pointer;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-cyan), var(--primary-magenta));
    color: var(--text-dark);
    border: none;
}

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

.btn-secondary {
    background: transparent;
    color: var(--text-white);
    border: 2px solid var(--accent-cyan);
}

.btn-secondary:hover {
    background: rgba(94, 250, 255, 0.1);
    box-shadow: 0 0 20px rgba(94, 250, 255, 0.2);
}

.btn-outline {
    background: transparent;
    color: var(--text-muted);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover:not(:disabled) {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.btn-outline:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-full {
    width: 100%;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: var(--bg-dark);
    padding: var(--space-4xl) 0;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.6;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--primary-dark);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--primary-magenta);
    bottom: -150px;
    right: -150px;
    animation-delay: -7s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: var(--accent-purple);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.05);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.95);
    }
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
    position: relative;
    z-index: var(--z-base);
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: var(--space-xl);
    color: var(--text-white);
}

.hero-subtitle {
    font-size: var(--text-lg);
    color: var(--text-muted);
    margin-bottom: var(--space-2xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.app-badges {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.app-badge {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.badge-icon {
    display: flex;
    color: var(--accent-cyan);
}

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

.phone-mockup {
    width: 320px;
    height: 650px;
    background: linear-gradient(135deg, #1a1a2e, #2d2d44);
    border-radius: 40px;
    padding: 12px;
    box-shadow: var(--shadow-xl), 0 0 80px rgba(94, 250, 255, 0.15);
    position: relative;
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 25px;
    background: #0a0a1a;
    border-radius: 20px;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #004aad 0%, #1a0a2e 100%);
    border-radius: 30px;
    overflow: hidden;
    padding: var(--space-xl);
    padding-top: var(--space-3xl);
}

.app-preview {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.preview-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-white);
    font-weight: 500;
}

.preview-logo {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--primary-magenta));
    border-radius: 50%;
}

.preview-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
}

.preview-card h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--text-white);
}

.preview-task {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.preview-task .check {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xs);
    color: var(--accent-cyan);
}

.preview-task.done {
    color: var(--text-white);
}

.preview-task.done .check {
    background: var(--accent-cyan);
    border-color: var(--accent-cyan);
    color: var(--text-dark);
}

.preview-ai {
    display: flex;
    gap: var(--space-sm);
    background: rgba(94, 250, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
}

.ai-avatar {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
}

.preview-ai p {
    font-size: var(--text-sm);
    color: var(--accent-cyan);
    font-style: italic;
}

/* ============================================
   Interactive App Demo
   ============================================ */
.app-demo {
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
}

.demo-screen {
    display: none;
    flex-direction: column;
    height: calc(100% - 30px);
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.demo-screen.active {
    display: flex;
    opacity: 1;
    transform: translateX(0);
}

.demo-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-white);
    font-weight: 500;
    font-size: var(--text-sm);
    margin-bottom: var(--space-lg);
}

.demo-logo {
    flex-shrink: 0;
}

.demo-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.demo-content h4 {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-white);
    text-align: center;
    margin-bottom: var(--space-sm);
}

/* Demo Form (Intake Screen) */
.demo-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.demo-input {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
}

.demo-input label {
    display: block;
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-bottom: 2px;
}

.demo-input .demo-value {
    font-size: var(--text-sm);
    color: var(--text-white);
}

.demo-input.typing .typing-text {
    border-right: 2px solid var(--accent-cyan);
    animation: blink 0.8s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { border-color: var(--accent-cyan); }
    50% { border-color: transparent; }
}

.demo-btn {
    background: linear-gradient(135deg, var(--accent-cyan), #3dd9d9);
    color: var(--text-dark);
    font-weight: 600;
    font-size: var(--text-sm);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-md);
    text-align: center;
    margin-top: auto;
}

.demo-btn.pulse {
    animation: pulse-btn 2s ease-in-out infinite;
}

@keyframes pulse-btn {
    0%, 100% { box-shadow: 0 0 0 0 rgba(94, 250, 255, 0.4); }
    50% { box-shadow: 0 0 0 8px rgba(94, 250, 255, 0); }
}

/* Demo Progress Ring (Dashboard Screen) */
.demo-progress-ring {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--space-md);
    position: relative;
}

.demo-progress-ring svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.demo-progress-ring .progress-circle {
    transition: stroke-dashoffset 1s ease;
}

.demo-progress-ring .progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--accent-cyan);
}

/* Demo Tasks */
.demo-tasks {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.demo-task {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    transition: all 0.3s ease;
}

.demo-task .task-icon {
    font-size: var(--text-base);
}

.demo-task .task-label {
    flex: 1;
    font-size: var(--text-sm);
    color: var(--text-white);
}

.demo-task .task-check {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xs);
    transition: all 0.3s ease;
}

.demo-task.done {
    background: rgba(94, 250, 255, 0.15);
}

.demo-task.done .task-check {
    background: var(--accent-cyan);
    border-color: var(--accent-cyan);
    color: var(--text-dark);
    font-weight: bold;
}

/* Demo Celebration (Complete Screen) */
.demo-celebration {
    text-align: center;
    padding: var(--space-md) 0;
}

.demo-celebration .celebration-icon {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
    animation: celebrate 1s ease-in-out infinite;
}

@keyframes celebrate {
    0%, 100% { transform: scale(1) rotate(0deg); }
    25% { transform: scale(1.1) rotate(-5deg); }
    75% { transform: scale(1.1) rotate(5deg); }
}

.demo-celebration h4 {
    font-size: var(--text-base);
    color: var(--accent-cyan);
    margin-bottom: var(--space-xs);
}

.demo-celebration p {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.demo-tasks.completed .demo-task {
    background: rgba(94, 250, 255, 0.1);
}

/* Demo Navigation Dots */
.demo-dots {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) 0;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
}

.demo-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.demo-dot.active {
    background: var(--accent-cyan);
    width: 20px;
    border-radius: 4px;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-muted);
    font-size: var(--text-sm);
    animation: bounce 2s ease-in-out infinite;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--accent-cyan);
    border-bottom: 2px solid var(--accent-cyan);
    transform: rotate(45deg);
}

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

/* ============================================
   Section Styles (Shared)
   ============================================ */
section {
    padding: var(--space-4xl) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.section-tag {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: rgba(94, 250, 255, 0.1);
    border: 1px solid rgba(94, 250, 255, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--accent-cyan);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-title {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 400;
    color: var(--text-white);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--text-muted);
}

/* ============================================
   About Section
   ============================================ */
.about {
    background: linear-gradient(180deg, var(--bg-dark) 0%, #0d0d20 100%);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-4xl);
}

.about-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
}

.about-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(94, 250, 255, 0.3);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(94, 250, 255, 0.2), rgba(203, 108, 230, 0.2));
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
    color: var(--accent-cyan);
}

.about-card h3 {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    color: var(--text-white);
    margin-bottom: var(--space-md);
}

.about-card p {
    color: var(--text-muted);
    line-height: 1.7;
}

/* About Story Wrapper - Logo separate from text */
.about-story-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3xl);
}

.story-logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.caribou-illustration.large-bounce {
    animation: large-bounce 2s ease-in-out infinite;
}

.about-logo-img-large {
    width: 300px;
    height: 300px;
    max-width: 100%;
}

@keyframes large-bounce {
    0%, 100% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-25px) scale(1.05);
    }
}

/* About Story - Text box only */
.about-story {
    display: block;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-3xl);
    max-width: 800px;
    width: 100%;
}

.story-content h3 {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    color: var(--text-white);
    margin-bottom: var(--space-lg);
    text-align: center;
}

.story-content p {
    color: var(--text-muted);
    margin-bottom: var(--space-md);
    line-height: 1.7;
    text-align: center;
}

.story-content p:last-child {
    margin-bottom: 0;
}

.caribou-illustration {
    animation: gentle-bob 4s ease-in-out infinite;
}

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

/* ============================================
   Platform Section
   ============================================ */
.platform {
    background: linear-gradient(180deg, #0d0d20 0%, var(--bg-dark) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: center;
    transition: all var(--transition-base);
}

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(94, 250, 255, 0.3);
    transform: translateY(-5px);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    color: var(--text-white);
}

.feature-icon.nutrition {
    background: linear-gradient(135deg, #10b981, #059669);
}

.feature-icon.medication {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.feature-icon.pt {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
}

.feature-icon.ai {
    background: linear-gradient(135deg, var(--accent-cyan), var(--primary-magenta));
}

.feature-icon.tracking {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.feature-icon.family {
    background: linear-gradient(135deg, #ec4899, #db2777);
}

.feature-card h3 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: var(--space-sm);
}

.feature-card p {
    font-size: var(--text-sm);
    color: var(--text-muted);
    line-height: 1.6;
}

/* ============================================
   Careers Section
   ============================================ */
.careers {
    background: var(--bg-dark);
    position: relative;
}

.careers::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 400px;
    background: linear-gradient(180deg, transparent, rgba(94, 250, 255, 0.03));
    pointer-events: none;
}

.jobs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-3xl);
}

.job-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    position: relative;
    transition: all var(--transition-base);
}

.job-card:hover {
    border-color: rgba(94, 250, 255, 0.3);
    transform: translateY(-5px);
}

.job-card.featured {
    border-color: var(--accent-cyan);
    background: linear-gradient(135deg, rgba(94, 250, 255, 0.1), rgba(203, 108, 230, 0.05));
}

.job-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: linear-gradient(135deg, var(--accent-cyan), var(--primary-magenta));
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--text-dark);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.job-badge.upcoming {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
}

.job-card h3 {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: var(--space-md);
}

.job-details {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.job-type,
.job-location {
    font-size: var(--text-sm);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.job-type::before {
    content: '💼';
}

.job-location::before {
    content: '📍';
}

.job-card > p {
    color: var(--text-muted);
    font-size: var(--text-sm);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.job-requirements {
    margin-bottom: var(--space-xl);
}

.job-requirements li {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-sm);
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.job-requirements li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
}

.careers-cta {
    text-align: center;
    padding: var(--space-2xl);
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
}

.careers-cta p {
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
}

/* ============================================
   Waitlist Section
   ============================================ */
.waitlist {
    background: linear-gradient(180deg, var(--bg-dark) 0%, #0d0d20 100%);
    position: relative;
    overflow: hidden;
}

.waitlist::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(94, 250, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.waitlist-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
    position: relative;
    z-index: var(--z-base);
}

.waitlist-info {
    max-width: 500px;
}

.waitlist-info .section-title {
    text-align: left;
}

.waitlist-info > p {
    color: var(--text-muted);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.waitlist-benefits {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.waitlist-benefits li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--text-light);
}

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

/* Waitlist Form */
.waitlist-form-container {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
}

.waitlist-form,
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

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

.form-group label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-light);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-white);
    transition: all var(--transition-fast);
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(94, 250, 255, 0.1);
}

.form-group select {
    cursor: pointer;
}

.form-group select option {
    background: var(--bg-dark);
    color: var(--text-white);
}

/* Checkbox Styling */
.checkbox-group {
    flex-direction: row;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.checkbox-label input {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-cyan);
}

.form-disclaimer {
    font-size: var(--text-xs);
    color: var(--text-muted);
    text-align: center;
}

/* Form Success State */
.form-success {
    text-align: center;
    padding: var(--space-2xl);
}

.success-icon {
    font-size: var(--text-6xl);
    margin-bottom: var(--space-lg);
}

.form-success h3 {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    color: var(--accent-cyan);
    margin-bottom: var(--space-md);
}

.form-success p {
    color: var(--text-muted);
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    background: linear-gradient(180deg, #0d0d20 0%, var(--bg-dark) 100%);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-4xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.contact-card {
    display: flex;
    gap: var(--space-lg);
    align-items: flex-start;
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(94, 250, 255, 0.2), rgba(203, 108, 230, 0.2));
    border-radius: var(--radius-md);
    color: var(--accent-cyan);
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: var(--space-xs);
}

.contact-details p,
.contact-details a {
    font-size: var(--text-sm);
    color: var(--text-muted);
    line-height: 1.5;
}

.contact-details a:hover {
    color: var(--accent-cyan);
}

.social-links h4 {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: var(--space-md);
}

.social-icons {
    display: flex;
    gap: var(--space-md);
}

.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.social-icon:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

/* Contact Form */
.contact-form-container {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: #050510;
    padding: var(--space-4xl) 0 var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: var(--space-md);
}

.footer-logo-img {
    opacity: 0.9;
}

.footer-tagline {
    color: var(--accent-cyan);
    font-style: italic;
    margin-bottom: var(--space-md);
}

.footer-description {
    color: var(--text-muted);
    font-size: var(--text-sm);
    line-height: 1.6;
}

.footer-links h4,
.footer-newsletter h4 {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: var(--space-lg);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

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

.footer-links a:hover {
    color: var(--accent-cyan);
}

.footer-newsletter p {
    color: var(--text-muted);
    font-size: var(--text-sm);
    margin-bottom: var(--space-md);
}

.newsletter-form {
    display: flex;
    gap: var(--space-sm);
}

.newsletter-form input {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-white);
    font-size: var(--text-sm);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--accent-cyan);
}

.newsletter-form .btn {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--text-sm);
}

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: var(--text-sm);
    margin-bottom: var(--space-sm);
}

.footer-bottom .disclaimer {
    font-size: var(--text-xs);
    opacity: 0.7;
}

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

/* Tablet */
@media (max-width: 1024px) {
    :root {
        --text-5xl: 2.75rem;
        --text-4xl: 2rem;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-3xl);
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-cta {
        justify-content: center;
    }

    .app-badges {
        justify-content: center;
    }

    .phone-mockup {
        width: 280px;
        height: 570px;
    }

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

    .about-story-wrapper {
        gap: var(--space-2xl);
    }

    .about-logo-img-large {
        width: 250px;
        height: 250px;
    }

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

    .waitlist-info {
        max-width: 100%;
        text-align: center;
    }

    .waitlist-info .section-title {
        text-align: center;
    }

    .waitlist-benefits {
        align-items: center;
    }

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

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

/* Mobile */
@media (max-width: 768px) {
    :root {
        --text-5xl: 2rem;
        --text-4xl: 1.75rem;
        --text-3xl: 1.5rem;
        --space-4xl: 4rem;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--bg-dark);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-xl);
        transition: right var(--transition-base);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        font-size: var(--text-lg);
    }

    .hero {
        padding-top: 100px;
    }

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

    .hero-visual {
        display: none;
    }

    .scroll-indicator {
        display: none;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .footer-logo {
        justify-content: center;
    }

    .social-icons {
        justify-content: center;
    }

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

/* Small Mobile */
@media (max-width: 480px) {
    :root {
        --space-xl: 1.5rem;
        --space-2xl: 2rem;
    }

    .nav-container {
        padding: 0 var(--space-md);
    }

    .container {
        padding: 0 var(--space-md);
    }

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

    .btn {
        width: 100%;
    }

    .app-badges {
        flex-direction: column;
    }

    .job-details {
        flex-direction: column;
        gap: var(--space-xs);
    }
}

/* ============================================
   Animations & Effects
   ============================================ */

/* Fade in on scroll */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
}

.stagger-children.visible > *:nth-child(1) { animation: fadeInUp 0.5s ease forwards 0.1s; }
.stagger-children.visible > *:nth-child(2) { animation: fadeInUp 0.5s ease forwards 0.2s; }
.stagger-children.visible > *:nth-child(3) { animation: fadeInUp 0.5s ease forwards 0.3s; }
.stagger-children.visible > *:nth-child(4) { animation: fadeInUp 0.5s ease forwards 0.4s; }
.stagger-children.visible > *:nth-child(5) { animation: fadeInUp 0.5s ease forwards 0.5s; }
.stagger-children.visible > *:nth-child(6) { animation: fadeInUp 0.5s ease forwards 0.6s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading state for buttons */
.btn.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Toast notifications */
.toast {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    padding: var(--space-md) var(--space-xl);
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-white);
    font-size: var(--text-sm);
    z-index: var(--z-tooltip);
    transform: translateY(100px);
    opacity: 0;
    transition: all var(--transition-base);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.success {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.1);
}

.toast.error {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

/* ============================================
   Animated Demo Slideshow
   ============================================ */
.phone-mockup .phone-screen {
    padding: 0 !important;
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, #e8f5f5 0%, #f0fafa 100%) !important;
}

.hero-visual {
    flex-direction: column;
    gap: var(--space-lg);
}

.demo-slideshow {
    width: 100%;
    height: 100%;
    position: relative;
}

.demo-slide {
    position: absolute;
    inset: 0;
    padding: var(--space-lg);
    padding-top: 45px;
    display: flex;
    flex-direction: column;
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
    pointer-events: none;
}

.demo-slide.active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

.demo-header-bar {
    background: linear-gradient(135deg, #4a9b9b, #3d8585);
    color: white;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    text-align: center;
    font-size: var(--text-sm);
    font-weight: 600;
}

.demo-content-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.demo-content-area h4 {
    color: #2d5a5a;
    font-size: var(--text-base);
    margin-bottom: var(--space-xs);
    text-align: center;
}

.demo-field {
    background: white;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.demo-field label {
    font-size: 10px;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.demo-input-display {
    font-size: var(--text-sm);
    color: #2d5a5a;
    font-weight: 500;
}

.demo-greeting {
    color: #2d5a5a;
    font-size: var(--text-base);
    font-weight: 600;
    text-align: center;
}

.demo-progress-circle {
    width: 80px;
    height: 80px;
    margin: var(--space-sm) auto;
    background: linear-gradient(135deg, #4a9b9b, #5efaff);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
}

.progress-number {
    font-size: var(--text-xl);
    font-weight: 700;
}

.progress-label {
    font-size: 10px;
    opacity: 0.9;
}

.demo-tasks-preview {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.demo-task {
    background: white;
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    color: #444;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.demo-task .check-icon {
    width: 18px;
    height: 18px;
    border: 2px solid #ccc;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: transparent;
}

.demo-task.done .check-icon {
    background: #4a9b9b;
    border-color: #4a9b9b;
    color: white;
}

.demo-subtitle {
    color: #4a9b9b;
    font-size: var(--text-sm);
    font-weight: 600;
    text-align: center;
}

.demo-meal-card {
    background: white;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

.demo-meal-card strong {
    color: #4a9b9b;
    font-size: var(--text-sm);
}

.demo-meal-card p {
    color: #333;
    font-size: var(--text-sm);
    margin: 2px 0;
}

.demo-calories {
    font-size: 11px;
    color: #888;
}

.demo-exercise {
    background: white;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

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

.exercise-info {
    flex: 1;
}

.exercise-info strong {
    display: block;
    color: #2d5a5a;
    font-size: var(--text-sm);
}

.exercise-info p {
    color: #666;
    font-size: 11px;
    margin: 0;
}

.demo-exercise .check-icon {
    width: 24px;
    height: 24px;
    border: 2px solid #ddd;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: transparent;
}

.demo-exercise .check-icon.done {
    background: #4a9b9b;
    border-color: #4a9b9b;
    color: white;
}

.demo-med-card {
    background: white;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.med-icon {
    font-size: 28px;
}

.med-info {
    flex: 1;
}

.med-info strong {
    display: block;
    color: #2d5a5a;
    font-size: var(--text-sm);
}

.med-info p {
    color: #666;
    font-size: 11px;
    margin: 0;
}

.med-status {
    font-size: 11px;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    background: #e0e0e0;
    color: #666;
}

.med-status.taken {
    background: #d4edda;
    color: #155724;
}

.demo-reminder-box {
    background: linear-gradient(135deg, #fff3cd, #ffeeba);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

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

.demo-reminder-box p {
    color: #856404;
    font-size: var(--text-sm);
    font-weight: 500;
    margin: 0;
}

.demo-success {
    text-align: center;
    justify-content: center;
}

.success-medal {
    font-size: 48px;
    animation: bounce-medal 1s ease-in-out infinite;
}

@keyframes bounce-medal {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.demo-success h4 {
    color: #4a9b9b;
    font-size: var(--text-lg);
}

.demo-success > p {
    color: #666;
    font-size: var(--text-sm);
}

.success-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.success-stats .stat {
    background: white;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-size: 11px;
    color: #666;
}

.success-stats .stat strong {
    display: block;
    color: #4a9b9b;
    font-size: var(--text-lg);
}

/* Demo Indicators */
.demo-indicators {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
}

.indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(74, 155, 155, 0.3);
    transition: all 0.3s ease;
}

.indicator.active {
    background: #4a9b9b;
    width: 20px;
    border-radius: 4px;
}

.demo-caption {
    text-align: center;
    font-size: var(--text-sm);
    color: var(--text-muted);
    font-style: italic;
    margin-top: var(--space-md);
}

/* ============================================
   Platform Interactivity
   ============================================ */
.platform-content {
    position: relative;
}

.feature-card.interactive {
    cursor: pointer;
    position: relative;
}

.feature-card.interactive:focus {
    outline: 2px solid var(--accent-cyan);
    outline-offset: 2px;
}

.feature-card.interactive .click-hint {
    display: block;
    margin-top: var(--space-md);
    font-size: var(--text-xs);
    color: var(--accent-cyan);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.feature-card.interactive:hover .click-hint {
    opacity: 1;
}

/* Dimming effect when a card is selected */
.features-grid.has-active .feature-card:not(.active) {
    opacity: 0.4;
    transform: scale(0.98);
}

.features-grid.has-active .feature-card.active {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 30px rgba(94, 250, 255, 0.2);
}

/* App Preview Panel */
.app-preview-panel {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 400px;
    height: 70vh;
    max-height: 700px;
    background: var(--bg-card);
    border: 1px solid rgba(94, 250, 255, 0.3);
    border-radius: var(--radius-xl);
    z-index: var(--z-modal);
    flex-direction: column;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5), 0 0 60px rgba(94, 250, 255, 0.1);
    overflow: hidden;
}

.app-preview-panel.visible {
    display: flex;
    animation: fadeInScale 0.3s ease;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

.app-preview-panel .preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.2);
}

.app-preview-panel .preview-header h4 {
    margin: 0;
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-white);
}

.preview-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: var(--text-xl);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.preview-close:hover {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.preview-frame-container {
    flex: 1;
    padding: var(--space-md);
    overflow: hidden;
}

.platform-preview-iframe {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, #004aad 0%, #1a0a2e 100%);
}

/* Preview overlay background */
.preview-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: calc(var(--z-modal) - 1);
    backdrop-filter: blur(4px);
}

.preview-overlay.visible {
    display: block;
}

/* About section logo image */
.about-logo-img {
    max-width: 200px;
    height: auto;
}

/* Success logo in waitlist form */
.success-icon {
    display: flex;
    justify-content: center;
    align-items: center;
}

.success-logo-img {
    animation: gentle-bob 2s ease-in-out infinite;
}

/* Required field indicator */
.required {
    color: #ef4444;
    font-weight: 600;
}

/* ClickUp Form Container */
.clickup-form-container {
    min-height: 550px;
}

.clickup-form-container iframe {
    background: transparent !important;
}

/* Responsive adjustments for demo controls */
@media (max-width: 768px) {
    .demo-controls {
        display: none;
    }

    .app-preview-panel {
        width: 95%;
        height: 80vh;
    }
}

@media (max-width: 480px) {
    .app-preview-panel {
        max-width: 100%;
        border-radius: var(--radius-lg);
    }
}