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

:root {
    /* Colors based on reference design */
    --primary-bg: #0f1c2e;
    --secondary-bg: #1a2942;
    --card-bg: #1e3048;
    --accent-color: #5effc7;
    --accent-hover: #4ae6b3;
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --border-color: rgba(94, 255, 199, 0.2);

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;

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

    /* Shadows */
    --shadow-sm: 0 2px 4px 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-glow: 0 0 20px rgba(94, 255, 199, 0.3);
}

body {
    font-family: var(--font-primary);
    background-color: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(94, 255, 199, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

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

.hero-title {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.highlight {
    color: var(--accent-color);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* CTA Buttons */
.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: center;
    letter-spacing: 0.01em;
}

.cta-button.primary {
    background-color: var(--accent-color);
    color: var(--primary-bg);
    box-shadow: var(--shadow-glow);
}

.cta-button.primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(94, 255, 199, 0.5);
}

.cta-button.primary:active {
    transform: translateY(0);
}

.cta-button.large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

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

.section-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    letter-spacing: -0.02em;
}

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

.feature-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-color);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(94, 255, 199, 0.1);
}

.feature-icon svg {
    color: var(--accent-color);
}

.feature-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.feature-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Meeting Image */
.meeting-image-container {
    margin-top: var(--spacing-xl);
}

.meeting-image {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.meeting-image:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3), 0 0 20px rgba(94, 255, 199, 0.2);
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--secondary-bg) 0%, var(--primary-bg) 100%);
    text-align: center;
}

.cta-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

/* Countdown Timer */
.countdown-container {
    margin-bottom: var(--spacing-xl);
}

.countdown-label {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.countdown {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    flex-wrap: nowrap;
}

.countdown-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem 0.25rem;
    min-width: 50px;
    flex: 1;
    max-width: 70px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.countdown-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    display: block;
    font-variant-numeric: tabular-nums;
    line-height: 1;
}

.countdown-label-small {
    font-size: 0.625rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 0.25rem;
}

.countdown-separator {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    padding: 0;
    line-height: 1;
}

/* Disclaimer */
.disclaimer {
    background-color: var(--primary-bg);
    padding: var(--spacing-xl) 0;
    padding-bottom: calc(var(--spacing-xl) + 80px); /* Extra padding for floating button */
    border-top: 1px solid rgba(94, 255, 199, 0.1);
}

.disclaimer-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

/* Responsive Design */
@media (min-width: 640px) {
    .hero-title {
        font-size: 2.5rem;
    }

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

    .countdown {
        gap: 0.5rem;
    }

    .countdown-item {
        min-width: 70px;
        max-width: 85px;
        padding: 0.75rem 0.5rem;
        border-radius: 10px;
    }

    .countdown-value {
        font-size: 1.75rem;
    }

    .countdown-label-small {
        font-size: 0.7rem;
    }

    .countdown-separator {
        font-size: 1.75rem;
        padding: 0 0.125rem;
    }
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .countdown {
        gap: 0.75rem;
    }

    .countdown-item {
        min-width: 85px;
        max-width: 100px;
        padding: var(--spacing-md);
        border-radius: 12px;
    }

    .countdown-value {
        font-size: 2.25rem;
    }

    .countdown-label-small {
        font-size: 0.75rem;
    }

    .countdown-separator {
        font-size: 2.25rem;
        padding: 0 0.25rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-lg);
    }

    .hero-title {
        font-size: 3.5rem;
    }

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

@media (min-width: 1280px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Accessibility */
.cta-button:focus,
.feature-card:focus {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

/* Floating CTA Button */
.floating-cta {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    opacity: 1;
    visibility: visible;
}

.floating-cta-button {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    background-color: var(--accent-color);
    color: var(--primary-bg);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: 0 4px 20px rgba(94, 255, 199, 0.4), 0 0 40px rgba(94, 255, 199, 0.3);
    transition: all 0.3s ease;
    animation: floatingPulse 2s ease-in-out infinite;
    white-space: nowrap;
    overflow: hidden;
}

.floating-cta-button:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 30px rgba(94, 255, 199, 0.6), 0 0 60px rgba(94, 255, 199, 0.4);
    animation: none;
}

.floating-cta-button:active {
    transform: scale(0.98);
}

.floating-cta-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: arrowBounce 1.5s ease-in-out infinite;
    position: relative;
    z-index: 2;
}

.floating-cta-text {
    position: relative;
    z-index: 2;
}

.floating-cta-button:hover .floating-cta-icon {
    animation: arrowSlide 0.6s ease-in-out infinite;
}

/* Keyframe Animations */
@keyframes floatingPulse {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(94, 255, 199, 0.4), 0 0 40px rgba(94, 255, 199, 0.3);
    }
    50% {
        box-shadow: 0 4px 25px rgba(94, 255, 199, 0.6), 0 0 50px rgba(94, 255, 199, 0.5);
    }
}

@keyframes arrowBounce {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(4px);
    }
}

@keyframes arrowSlide {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(6px);
    }
}

/* Ripple effect on the button */
.floating-cta-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50px;
    transform: translate(-50%, -50%) scale(0);
    animation: ripple 3s ease-out infinite;
}

@keyframes ripple {
    0% {
        transform: translate(-50%, -50%) scale(0);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(2);
        opacity: 0;
    }
}

/* Responsive adjustments for floating button */
@media (max-width: 480px) {
    .floating-cta {
        bottom: 15px;
        left: var(--spacing-md);
        right: var(--spacing-md);
        transform: none;
    }

    .floating-cta-button {
        width: 100%;
        justify-content: center;
        padding: 1rem;
        font-size: 0.9rem;
    }
}

@media (min-width: 768px) {
    .floating-cta-button {
        padding: 1.25rem 3rem;
        font-size: 1.125rem;
        min-width: 400px;
    }
}

@media (min-width: 1024px) {
    .floating-cta-button {
        padding: 1.5rem 4rem;
        font-size: 1.25rem;
        min-width: 500px;
    }
}

/* Print Styles */
@media print {
    .hero {
        min-height: auto;
    }

    .cta-button,
    .countdown-container,
    .floating-cta {
        display: none;
    }
}