/* ================================
   Design Tokens & CSS Variables
   ================================ */

:root {
    /* Colors */
    --color-primary: #00D188;
    --color-primary-dark: #00A86B;
    --color-primary-light: #33DBAA;
    --color-text-primary: #1F2937;
    --color-text-secondary: #4B5563;
    --color-text-light: #6B7280;
    --color-border: #E5E7EB;
    --color-background: #FFFFFF;
    --color-background-alt: #F9FAFB;
    --color-accent-yellow: #FCD34D;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-display: clamp(40px, 5vw, 56px);
    --font-size-h1: clamp(32px, 3.5vw, 42px);
    --font-size-h2: clamp(24px, 2.5vw, 32px);
    --font-size-h3: clamp(18px, 1.8vw, 20px);
    --font-size-body: 16px;
    --font-size-body-sm: 15px;
    --line-height-base: 1.7;

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
    --spacing-3xl: 96px;

    /* Border Radius */
    --radius-default: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --radius-full: 999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ================================
   Global Styles & Reset
   ================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

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

/* ================================
   Typography
   ================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-primary);
}

.section-title {
    font-size: var(--font-size-h2);
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

/* ================================
   Buttons
   ================================ */

.btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: var(--font-size-body-sm);
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: var(--radius-default);
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: inherit;
    text-decoration: none;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--color-text-secondary);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-secondary-outline {
    background: white;
    color: var(--color-text-primary);
    border: 2px solid var(--color-border);
}

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

.btn-full {
    width: 100%;
}

.btn-large {
    padding: 16px 32px;
    font-size: var(--font-size-body);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    padding: 12px 24px;
}

/* ================================
   Navigation
   ================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: box-shadow var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text-primary);
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    flex: 1;
    justify-content: center;
}

.nav-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-base);
}

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

.nav-cta {
    padding: 12px 24px;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-base);
}

/* ================================
   Floating Pill
   ================================ */

.floating-pill {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: white;
    padding: 12px 20px;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    z-index: 999;
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-base);
    text-decoration: none;
}

.floating-pill.visible {
    opacity: 1;
    transform: translateY(0);
}

.floating-pill span {
    color: var(--color-text-primary);
    font-weight: 600;
    font-size: 14px;
}

.pill-cta {
    background: var(--color-primary);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-base);
}

.pill-cta:hover {
    background: var(--color-primary-dark);
}

/* ================================
   Hero Section
   ================================ */

.hero {
    padding-top: calc(72px + var(--spacing-3xl));
    padding-bottom: var(--spacing-3xl);
    background: var(--color-background);
}

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

.hero-title {
    font-size: var(--font-size-display);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 520px;
    line-height: 1.5;
}

.value-pills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.pill {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--color-background-alt);
    padding: 10px 16px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 500;
}

.pill-icon {
    font-size: 18px;
}

.hero-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-width: 500px;
}

.hero-form .input-row {
    display: flex;
    gap: var(--spacing-sm);
}

.hero-form input {
    flex: 1;
    padding: 14px 20px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-default);
    font-size: var(--font-size-body-sm);
    font-family: inherit;
    transition: border-color var(--transition-base);
}

.hero-form input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.hero-form input.error {
    border-color: #EF4444;
    background: #FEF2F2;
}

.form-error {
    display: none;
    margin-top: var(--spacing-sm);
    padding: 12px 16px;
    background: #FEF2F2;
    border: 1px solid #FCA5A5;
    border-radius: var(--radius-default);
    color: #DC2626;
    font-size: 14px;
    font-weight: 500;
}

.form-error:not(:empty) {
    display: block;
}

.hero-success-message {
    display: none;
    background: #F0FDF4;
    border: 2px solid #10B981;
    border-radius: var(--radius-default);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-md);
    max-width: 500px;
    animation: slideIn 0.3s ease-out;
}

.hero-success-message.show {
    display: block;
}

.success-checkmark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: #10B981;
    color: white;
    border-radius: 50%;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.hero-success-message p {
    margin: 4px 0;
    color: #065F46;
    font-size: 14px;
    line-height: 1.5;
}

.hero-success-message p strong {
    color: #047857;
    font-size: 16px;
}

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

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

.video-container {
    position: relative;
    width: 100%;
    max-width: 644px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: var(--color-background-alt);
}

.video-container video {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-lg);
}

.video-controls {
    position: absolute;
    bottom: 16px;
    right: 16px;
    display: flex;
    gap: 8px;
    z-index: 10;
}

.video-control-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    color: white;
}

.video-control-btn:hover {
    background: rgba(0, 0, 0, 0.8);
    transform: scale(1.1);
}

.video-control-btn svg {
    width: 20px;
    height: 20px;
    color: white;
}

/* ================================
   User Types Section
   ================================ */

.user-types {
    padding: var(--spacing-3xl) 0;
    background: var(--color-background-alt);
}

.pill-toggle {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.toggle-btn {
    background: white;
    color: var(--color-text-secondary);
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-body-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.toggle-btn.active {
    background: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.toggle-btn:hover:not(.active) {
    background: var(--color-background-alt);
}

.content-panel {
    display: none;
    animation: fadeIn 0.5s ease;
}

.content-panel.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

@media (max-width: 1024px) {
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .feature-grid {
        grid-template-columns: 1fr;
    }
}

.feature-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-default);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

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

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

.feature-card h3 {
    font-size: 18px;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.feature-card p {
    color: var(--color-text-secondary);
    font-size: 14px;
    line-height: 1.5;
}

/* ================================
   What Makes Us Different
   ================================ */

.different {
    padding: var(--spacing-3xl) 0;
    background: var(--color-background);
}

.three-col {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.col-item {
    text-align: center;
    position: relative;
}

.col-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--color-primary);
    border-radius: 2px;
}

.col-icon {
    font-size: 56px;
    margin: var(--spacing-md) 0;
}

.col-item h3 {
    font-size: 20px;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.col-item p {
    color: var(--color-text-secondary);
    font-size: 15px;
    line-height: 1.6;
}

/* ================================
   Pioneer Program
   ================================ */

.pioneer-program {
    padding: var(--spacing-3xl) 0;
    background: var(--color-background-alt);
}

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

.accent-line {
    width: 80px;
    height: 4px;
    background: var(--color-primary);
    margin: 0 auto var(--spacing-md);
    border-radius: 2px;
}

.pioneer-header h2 {
    font-size: clamp(28px, 3vw, 36px);
    margin-bottom: var(--spacing-sm);
}

.pioneer-header p {
    font-size: 16px;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto var(--spacing-md);
}

.pricing-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--color-border);
    transition: all var(--transition-base);
}

.pricing-card.featured {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    position: relative;
}

.pioneer-badge {
    display: inline-block;
    background: var(--color-primary);
    color: white;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.standard-badge {
    display: inline-block;
    background: var(--color-text-secondary);
    color: white;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

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

.amount {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-text-primary);
}

.period {
    font-size: var(--font-size-body-sm);
    color: var(--color-text-secondary);
    margin-left: var(--spacing-xs);
}

.features-list {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.features-list li {
    padding: 10px 0;
    color: var(--color-text-secondary);
    font-size: var(--font-size-body-sm);
    border-bottom: 1px solid var(--color-border);
}

.features-list li:last-child {
    border-bottom: none;
}

.pioneer-note {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 14px;
}

/* ================================
   How It Works
   ================================ */

.how-it-works {
    padding: var(--spacing-3xl) 0;
    background: var(--color-background);
}

.step-item {
    text-align: center;
}

.step-number {
    width: 64px;
    height: 64px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    margin: 0 auto var(--spacing-md);
}

.step-item h3 {
    font-size: 20px;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.step-item p {
    color: var(--color-text-secondary);
    font-size: 15px;
    line-height: 1.5;
}

/* ================================
   Platform Features
   ================================ */

.platform-features {
    padding: var(--spacing-3xl) 0;
    background: var(--color-background-alt);
    background-image:
        linear-gradient(to bottom,
            rgba(248, 249, 250, 1) 0%,
            rgba(248, 249, 250, 0.7) 20%,
            rgba(248, 249, 250, 0.9) 100%
        ),
        url('Union.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

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

@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

/* ================================
   Trust Section
   ================================ */

.trust {
    padding: var(--spacing-2xl) 0;
    background: var(--color-background);
}

.trust-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.trust-item {
    text-align: center;
}

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

.trust-item p {
    color: var(--color-text-secondary);
    font-weight: 600;
    font-size: 15px;
}

/* ================================
   Final CTA
   ================================ */

.final-cta {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, rgba(0, 209, 136, 0.05) 0%, rgba(255, 255, 255, 1) 100%);
    text-align: center;
}

.final-cta h2 {
    font-size: clamp(32px, 4vw, 48px);
    margin-bottom: var(--spacing-lg);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

.cta-note {
    color: var(--color-text-secondary);
    font-size: 14px;
}

/* ================================
   Footer
   ================================ */

.footer {
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    background: var(--color-background);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    margin-left: 4px;
}

.footer-col p {
    color: var(--color-text-secondary);
    font-size: 14px;
}

.footer-col h4 {
    margin-bottom: var(--spacing-sm);
    font-size: 16px;
}

.footer-col a {
    display: block;
    color: var(--color-text-secondary);
    text-decoration: none;
    margin-bottom: var(--spacing-xs);
    font-size: 14px;
    transition: color var(--transition-base);
}

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

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

.footer-bottom p {
    color: var(--color-text-secondary);
    font-size: 14px;
}

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

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        display: none;
    }

    .nav-links.active {
        display: flex;
    }

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

    .nav-cta {
        display: none;
    }

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

    .hero-visual {
        display: none;
    }

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

    .hero-form .btn {
        width: 100%;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .cta-buttons .btn {
        width: 100%;
    }

    .floating-pill {
        left: 12px;
        right: 12px;
        bottom: 12px;
    }

    .floating-pill span {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-3xl: 48px;
        --spacing-2xl: 40px;
    }

    .pill {
        font-size: 12px;
        padding: 8px 12px;
    }
}

/* ================================
   Animations
   ================================ */

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    animation: slideUp 0.6s ease forwards;
}

/* ================================
   Accessibility
   ================================ */

.btn:focus,
input:focus,
button:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Skip to main content link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    border-radius: 0 0 4px 0;
}

.skip-link:focus {
    top: 0;
}

/* ================================
   SVG Icon Styling
   ================================ */

svg.feature-icon {
    color: var(--color-primary);
    flex-shrink: 0;
}

img.feature-icon {
    flex-shrink: 0;
}

svg.pill-icon {
    color: var(--color-primary);
    flex-shrink: 0;
}

img.pill-icon {
    flex-shrink: 0;
}

svg.pill-icon-svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

img.pill-icon-svg {
    flex-shrink: 0;
}

svg.col-icon {
    color: var(--color-primary);
    flex-shrink: 0;
}

img.col-icon {
    flex-shrink: 0;
}

svg.trust-icon {
    color: var(--color-primary);
    flex-shrink: 0;
}

.trust-item img.trust-icon {
    flex-shrink: 0;
}

svg.inline-icon {
    color: var(--color-primary);
}

img.inline-icon {
    flex-shrink: 0;
}

svg.inline-icon {
    vertical-align: middle;
    color: var(--color-primary);
    display: inline-block;
    margin-right: 8px;
}

/* Logo styling */
.logo img {
    display: block;
    height: 64px;
    width: auto;
}

.footer-logo img {
    display: block;
    height: 36px;
    width: auto;
}