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

:root {
    /* Color System */
    --deep-charcoal: #1B1B1B;
    --clean-white: #FFFFFF;
    --sunset-pink: #FF9CA6;
    --orange-dust: #FFA45B;
    --desert-yellow: #FFD67C;
    
    /* Gradients */
    --sunset-gradient: linear-gradient(135deg, #FF9CA6 0%, #FFA45B 50%, #FFD67C 100%);
    --hero-bg: linear-gradient(180deg, #000000 0%, #1B1B1B 100%);
    
    /* Typography Scale */
    --font-display: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing Scale */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 32px;
    --space-xl: 48px;
    --space-2xl: 64px;
    --space-3xl: 96px;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-sunset: 0 8px 32px rgba(255, 156, 166, 0.3);
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--clean-white);
    background: var(--deep-charcoal);
    font-weight: 400;
    letter-spacing: -0.01em;
    overflow-x: hidden;
}

/* Hero Section */
.hero-section {
    height: 100vh;
    background: var(--hero-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 800px;
    padding: 0 var(--space-md);
    position: relative;
    z-index: 2;
}

.hero-logo {
    font-family: var(--font-display);
    font-size: clamp(48px, 8vw, 72px);
    font-weight: 800;
    color: var(--clean-white);
    margin-bottom: var(--space-sm);
    letter-spacing: -0.02em;
    line-height: 1;
}

.hero-tagline {
    font-family: var(--font-display);
    font-size: clamp(18px, 3vw, 24px);
    font-weight: 600;
    color: var(--sunset-pink);
    margin-bottom: var(--space-xl);
    letter-spacing: 0.01em;
    text-transform: uppercase;
}

.hero-heading {
    font-family: var(--font-display);
    font-size: clamp(24px, 4vw, 36px);
    font-weight: 600;
    color: var(--clean-white);
    margin-bottom: var(--space-2xl);
    line-height: 1.3;
    letter-spacing: -0.01em;
}

.hero-subtext {
    font-weight: 400;
    color: rgba(255, 255, 255, 0.8);
    display: block;
    margin-top: var(--space-sm);
}

.hero-cta {
    background: var(--sunset-gradient);
    color: var(--deep-charcoal);
    border: none;
    padding: 18px 36px;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.01em;
    box-shadow: var(--shadow-sunset);
    position: relative;
    overflow: hidden;
}

.hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(255, 156, 166, 0.4);
}

.hero-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.6s;
}

.hero-cta:hover::before {
    left: 100%;
}

/* Hero Background Elements */
.hero-bg-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

.bg-element {
    position: absolute;
    border-radius: 50%;
    opacity: 0.05;
    background: var(--sunset-gradient);
    animation: float 20s infinite ease-in-out;
}

.element-1 {
    width: 400px;
    height: 400px;
    top: 10%;
    right: -200px;
    animation-delay: 0s;
}

.element-2 {
    width: 300px;
    height: 300px;
    bottom: 20%;
    left: -150px;
    animation-delay: -7s;
}

.element-3 {
    width: 200px;
    height: 200px;
    top: 50%;
    left: 50%;
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(120deg); }
    66% { transform: translateY(10px) rotate(240deg); }
}

/* Feature Section */
.feature-section {
    padding: var(--space-3xl) 0;
    background: linear-gradient(180deg, var(--deep-charcoal) 0%, rgba(255, 156, 166, 0.02) 50%, var(--deep-charcoal) 100%);
    position: relative;
}

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

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
    align-items: start;
}

.feature-card {
    text-align: center;
    padding: var(--space-xl);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    transition: all 0.4s ease;
    backdrop-filter: blur(20px);
    opacity: 0;
    transform: translateY(30px);
}

.feature-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 156, 166, 0.3);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    margin: 0 auto var(--space-md);
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--sunset-gradient);
    border-radius: var(--radius-md);
    color: var(--deep-charcoal);
}

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

.feature-title {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    color: var(--clean-white);
    margin-bottom: var(--space-sm);
    letter-spacing: -0.01em;
}

.feature-description {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

/* Survey Section */
.survey-section {
    padding: var(--space-3xl) 0;
    background: var(--deep-charcoal);
}

.survey-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.survey-card {
    background: var(--clean-white);
    border: 1px solid var(--deep-charcoal);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.survey-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--sunset-gradient);
}

.survey-title {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    color: var(--deep-charcoal);
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.survey-body {
    color: var(--deep-charcoal);
    margin-bottom: var(--space-xl);
    font-size: 18px;
    line-height: 1.6;
}

.survey-body p {
    margin-bottom: var(--space-sm);
}

.survey-form {
    text-align: left;
}

.google-form-embed {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
}

.google-form-embed iframe {
    width: 100%;
    min-height: 1800px;
    border: none;
    border-radius: 12px;
    background: var(--clean-white);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

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

.form-group label {
    display: block;
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--deep-charcoal);
    margin-bottom: var(--space-xs);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid rgba(27, 27, 27, 0.1);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 16px;
    color: var(--deep-charcoal);
    background: var(--clean-white);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--sunset-pink);
    box-shadow: 0 0 0 3px rgba(255, 156, 166, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.survey-cta {
    background: var(--sunset-gradient);
    color: var(--deep-charcoal);
    border: none;
    padding: 16px 32px;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    margin-top: var(--space-md);
    letter-spacing: 0.01em;
    position: relative;
    overflow: hidden;
}

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

.survey-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.6s;
}

.survey-cta:hover::before {
    left: 100%;
}

/* Trust Strip */
.trust-strip {
    background: #000000;
    padding: var(--space-md) 0;
}

.trust-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.trust-text {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    color: var(--clean-white);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.trust-divider {
    color: var(--desert-yellow);
    font-weight: 400;
    margin: 0 var(--space-xs);
}

/* Sticky Footer CTA */
.sticky-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(20px);
    padding: var(--space-sm) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.sticky-footer.visible {
    transform: translateY(0);
}

.sticky-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.sticky-text {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    color: var(--clean-white);
    letter-spacing: -0.01em;
}

.sticky-cta {
    background: var(--sunset-gradient);
    color: var(--deep-charcoal);
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.01em;
    white-space: nowrap;
}

.sticky-cta:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Scroll Animations */
[data-scroll="fade-in"] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

[data-scroll="fade-in"].animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-container {
        padding: 0 var(--space-sm);
    }
    
    .hero-logo {
        font-size: 48px;
    }
    
    .hero-heading {
        font-size: 24px;
    }
    
    .hero-subtext {
        font-size: 18px;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .feature-card {
        padding: var(--space-md);
    }
    
    .survey-card {
        padding: var(--space-md);
    }
    
    .survey-title {
        font-size: 24px;
    }
    
    .google-form-embed iframe {
        min-height: 2200px; /* More height on mobile for better scrolling */
        border-radius: 8px;
    }
    
    .trust-container {
        flex-direction: column;
        gap: var(--space-xs);
    }
    
    .trust-divider {
        display: none;
    }
    
    .sticky-content {
        flex-direction: column;
        text-align: center;
        gap: var(--space-sm);
    }
    
    .sticky-cta {
        width: 100%;
        max-width: 200px;
    }
}

@media (max-width: 480px) {
    :root {
        --space-md: 16px;
        --space-lg: 24px;
        --space-xl: 32px;
        --space-2xl: 48px;
        --space-3xl: 64px;
    }
    
    .hero-section {
        height: 100vh;
        min-height: 600px;
    }
    
    .hero-cta {
        padding: 16px 24px;
        font-size: 14px;
    }
    
    .feature-section {
        padding: var(--space-2xl) 0;
    }
    
    .survey-section {
        padding: var(--space-2xl) 0;
    }
}

/* Dark mode optimizations */
@media (prefers-color-scheme: dark) {
    .survey-card {
        background: rgba(255, 255, 255, 0.95);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .bg-element {
        animation: none;
    }
    
    .hero-cta::before,
    .survey-cta::before {
        transition: none;
    }
    
    [data-scroll="fade-in"] {
        transition: opacity 0.3s ease;
    }
}

/* High contrast support */
@media (prefers-contrast: high) {
    .feature-card {
        border-width: 2px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        border-width: 2px;
    }
}